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malkadi/FGPU | RTL/floating_point/fmul.vhd | 1 | 10,488 | -- (c) Copyright 1995-2016 Xilinx, Inc. All rights reserved.
--
-- This file contains confidential and proprietary information
-- of Xilinx, Inc. and is protected under U.S. and
-- international copyright and other intellectual property
-- laws.
--
-- DISCLAIMER
-- This disclaimer is not a license and does not grant any
-- rights to the materials distributed herewith. Except as
-- otherwise provided in a valid license issued to you by
-- Xilinx, and to the maximum extent permitted by applicable
-- law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND
-- WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES
-- AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING
-- BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NON-
-- INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and
-- (2) Xilinx shall not be liable (whether in contract or tort,
-- including negligence, or under any other theory of
-- liability) for any loss or damage of any kind or nature
-- related to, arising under or in connection with these
-- materials, including for any direct, or any indirect,
-- special, incidental, or consequential loss or damage
-- (including loss of data, profits, goodwill, or any type of
-- loss or damage suffered as a result of any action brought
-- by a third party) even if such damage or loss was
-- reasonably foreseeable or Xilinx had been advised of the
-- possibility of the same.
--
-- CRITICAL APPLICATIONS
-- Xilinx products are not designed or intended to be fail-
-- safe, or for use in any application requiring fail-safe
-- performance, such as life-support or safety devices or
-- systems, Class III medical devices, nuclear facilities,
-- applications related to the deployment of airbags, or any
-- other applications that could lead to death, personal
-- injury, or severe property or environmental damage
-- (individually and collectively, "Critical
-- Applications"). Customer assumes the sole risk and
-- liability of any use of Xilinx products in Critical
-- Applications, subject only to applicable laws and
-- regulations governing limitations on product liability.
--
-- THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS
-- PART OF THIS FILE AT ALL TIMES.
--
-- DO NOT MODIFY THIS FILE.
-- IP VLNV: xilinx.com:ip:floating_point:7.1
-- IP Revision: 2
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
LIBRARY floating_point_v7_1_2;
USE floating_point_v7_1_2.floating_point_v7_1_2;
ENTITY fmul IS
PORT (
aclk : IN STD_LOGIC;
s_axis_a_tvalid : IN STD_LOGIC;
s_axis_a_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axis_b_tvalid : IN STD_LOGIC;
s_axis_b_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
m_axis_result_tvalid : OUT STD_LOGIC;
m_axis_result_tdata : OUT STD_LOGIC_VECTOR(31 DOWNTO 0)
);
END fmul;
ARCHITECTURE fmul_arch OF fmul IS
ATTRIBUTE DowngradeIPIdentifiedWarnings : STRING;
ATTRIBUTE DowngradeIPIdentifiedWarnings OF fmul_arch: ARCHITECTURE IS "yes";
COMPONENT floating_point_v7_1_2 IS
GENERIC (
C_XDEVICEFAMILY : STRING;
C_HAS_ADD : INTEGER;
C_HAS_SUBTRACT : INTEGER;
C_HAS_MULTIPLY : INTEGER;
C_HAS_DIVIDE : INTEGER;
C_HAS_SQRT : INTEGER;
C_HAS_COMPARE : INTEGER;
C_HAS_FIX_TO_FLT : INTEGER;
C_HAS_FLT_TO_FIX : INTEGER;
C_HAS_FLT_TO_FLT : INTEGER;
C_HAS_RECIP : INTEGER;
C_HAS_RECIP_SQRT : INTEGER;
C_HAS_ABSOLUTE : INTEGER;
C_HAS_LOGARITHM : INTEGER;
C_HAS_EXPONENTIAL : INTEGER;
C_HAS_FMA : INTEGER;
C_HAS_FMS : INTEGER;
C_HAS_ACCUMULATOR_A : INTEGER;
C_HAS_ACCUMULATOR_S : INTEGER;
C_A_WIDTH : INTEGER;
C_A_FRACTION_WIDTH : INTEGER;
C_B_WIDTH : INTEGER;
C_B_FRACTION_WIDTH : INTEGER;
C_C_WIDTH : INTEGER;
C_C_FRACTION_WIDTH : INTEGER;
C_RESULT_WIDTH : INTEGER;
C_RESULT_FRACTION_WIDTH : INTEGER;
C_COMPARE_OPERATION : INTEGER;
C_LATENCY : INTEGER;
C_OPTIMIZATION : INTEGER;
C_MULT_USAGE : INTEGER;
C_BRAM_USAGE : INTEGER;
C_RATE : INTEGER;
C_ACCUM_INPUT_MSB : INTEGER;
C_ACCUM_MSB : INTEGER;
C_ACCUM_LSB : INTEGER;
C_HAS_UNDERFLOW : INTEGER;
C_HAS_OVERFLOW : INTEGER;
C_HAS_INVALID_OP : INTEGER;
C_HAS_DIVIDE_BY_ZERO : INTEGER;
C_HAS_ACCUM_OVERFLOW : INTEGER;
C_HAS_ACCUM_INPUT_OVERFLOW : INTEGER;
C_HAS_ACLKEN : INTEGER;
C_HAS_ARESETN : INTEGER;
C_THROTTLE_SCHEME : INTEGER;
C_HAS_A_TUSER : INTEGER;
C_HAS_A_TLAST : INTEGER;
C_HAS_B : INTEGER;
C_HAS_B_TUSER : INTEGER;
C_HAS_B_TLAST : INTEGER;
C_HAS_C : INTEGER;
C_HAS_C_TUSER : INTEGER;
C_HAS_C_TLAST : INTEGER;
C_HAS_OPERATION : INTEGER;
C_HAS_OPERATION_TUSER : INTEGER;
C_HAS_OPERATION_TLAST : INTEGER;
C_HAS_RESULT_TUSER : INTEGER;
C_HAS_RESULT_TLAST : INTEGER;
C_TLAST_RESOLUTION : INTEGER;
C_A_TDATA_WIDTH : INTEGER;
C_A_TUSER_WIDTH : INTEGER;
C_B_TDATA_WIDTH : INTEGER;
C_B_TUSER_WIDTH : INTEGER;
C_C_TDATA_WIDTH : INTEGER;
C_C_TUSER_WIDTH : INTEGER;
C_OPERATION_TDATA_WIDTH : INTEGER;
C_OPERATION_TUSER_WIDTH : INTEGER;
C_RESULT_TDATA_WIDTH : INTEGER;
C_RESULT_TUSER_WIDTH : INTEGER;
C_FIXED_DATA_UNSIGNED : INTEGER
);
PORT (
aclk : IN STD_LOGIC;
aclken : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
s_axis_a_tvalid : IN STD_LOGIC;
s_axis_a_tready : OUT STD_LOGIC;
s_axis_a_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axis_a_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_a_tlast : IN STD_LOGIC;
s_axis_b_tvalid : IN STD_LOGIC;
s_axis_b_tready : OUT STD_LOGIC;
s_axis_b_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axis_b_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_b_tlast : IN STD_LOGIC;
s_axis_c_tvalid : IN STD_LOGIC;
s_axis_c_tready : OUT STD_LOGIC;
s_axis_c_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axis_c_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_c_tlast : IN STD_LOGIC;
s_axis_operation_tvalid : IN STD_LOGIC;
s_axis_operation_tready : OUT STD_LOGIC;
s_axis_operation_tdata : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axis_operation_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_operation_tlast : IN STD_LOGIC;
m_axis_result_tvalid : OUT STD_LOGIC;
m_axis_result_tready : IN STD_LOGIC;
m_axis_result_tdata : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
m_axis_result_tuser : OUT STD_LOGIC_VECTOR(0 DOWNTO 0);
m_axis_result_tlast : OUT STD_LOGIC
);
END COMPONENT floating_point_v7_1_2;
ATTRIBUTE X_INTERFACE_INFO : STRING;
ATTRIBUTE X_INTERFACE_INFO OF aclk: SIGNAL IS "xilinx.com:signal:clock:1.0 aclk_intf CLK";
ATTRIBUTE X_INTERFACE_INFO OF s_axis_a_tvalid: SIGNAL IS "xilinx.com:interface:axis:1.0 S_AXIS_A TVALID";
ATTRIBUTE X_INTERFACE_INFO OF s_axis_a_tdata: SIGNAL IS "xilinx.com:interface:axis:1.0 S_AXIS_A TDATA";
ATTRIBUTE X_INTERFACE_INFO OF s_axis_b_tvalid: SIGNAL IS "xilinx.com:interface:axis:1.0 S_AXIS_B TVALID";
ATTRIBUTE X_INTERFACE_INFO OF s_axis_b_tdata: SIGNAL IS "xilinx.com:interface:axis:1.0 S_AXIS_B TDATA";
ATTRIBUTE X_INTERFACE_INFO OF m_axis_result_tvalid: SIGNAL IS "xilinx.com:interface:axis:1.0 M_AXIS_RESULT TVALID";
ATTRIBUTE X_INTERFACE_INFO OF m_axis_result_tdata: SIGNAL IS "xilinx.com:interface:axis:1.0 M_AXIS_RESULT TDATA";
BEGIN
U0 : floating_point_v7_1_2
GENERIC MAP (
C_XDEVICEFAMILY => "zynq",
C_HAS_ADD => 0,
C_HAS_SUBTRACT => 0,
C_HAS_MULTIPLY => 1,
C_HAS_DIVIDE => 0,
C_HAS_SQRT => 0,
C_HAS_COMPARE => 0,
C_HAS_FIX_TO_FLT => 0,
C_HAS_FLT_TO_FIX => 0,
C_HAS_FLT_TO_FLT => 0,
C_HAS_RECIP => 0,
C_HAS_RECIP_SQRT => 0,
C_HAS_ABSOLUTE => 0,
C_HAS_LOGARITHM => 0,
C_HAS_EXPONENTIAL => 0,
C_HAS_FMA => 0,
C_HAS_FMS => 0,
C_HAS_ACCUMULATOR_A => 0,
C_HAS_ACCUMULATOR_S => 0,
C_A_WIDTH => 32,
C_A_FRACTION_WIDTH => 24,
C_B_WIDTH => 32,
C_B_FRACTION_WIDTH => 24,
C_C_WIDTH => 32,
C_C_FRACTION_WIDTH => 24,
C_RESULT_WIDTH => 32,
C_RESULT_FRACTION_WIDTH => 24,
C_COMPARE_OPERATION => 8,
C_LATENCY => 8,
C_OPTIMIZATION => 1,
C_MULT_USAGE => 2,
C_BRAM_USAGE => 0,
C_RATE => 1,
C_ACCUM_INPUT_MSB => 32,
C_ACCUM_MSB => 32,
C_ACCUM_LSB => -31,
C_HAS_UNDERFLOW => 0,
C_HAS_OVERFLOW => 0,
C_HAS_INVALID_OP => 0,
C_HAS_DIVIDE_BY_ZERO => 0,
C_HAS_ACCUM_OVERFLOW => 0,
C_HAS_ACCUM_INPUT_OVERFLOW => 0,
C_HAS_ACLKEN => 0,
C_HAS_ARESETN => 0,
C_THROTTLE_SCHEME => 3,
C_HAS_A_TUSER => 0,
C_HAS_A_TLAST => 0,
C_HAS_B => 1,
C_HAS_B_TUSER => 0,
C_HAS_B_TLAST => 0,
C_HAS_C => 0,
C_HAS_C_TUSER => 0,
C_HAS_C_TLAST => 0,
C_HAS_OPERATION => 0,
C_HAS_OPERATION_TUSER => 0,
C_HAS_OPERATION_TLAST => 0,
C_HAS_RESULT_TUSER => 0,
C_HAS_RESULT_TLAST => 0,
C_TLAST_RESOLUTION => 0,
C_A_TDATA_WIDTH => 32,
C_A_TUSER_WIDTH => 1,
C_B_TDATA_WIDTH => 32,
C_B_TUSER_WIDTH => 1,
C_C_TDATA_WIDTH => 32,
C_C_TUSER_WIDTH => 1,
C_OPERATION_TDATA_WIDTH => 8,
C_OPERATION_TUSER_WIDTH => 1,
C_RESULT_TDATA_WIDTH => 32,
C_RESULT_TUSER_WIDTH => 1,
C_FIXED_DATA_UNSIGNED => 0
)
PORT MAP (
aclk => aclk,
aclken => '1',
aresetn => '1',
s_axis_a_tvalid => s_axis_a_tvalid,
s_axis_a_tdata => s_axis_a_tdata,
s_axis_a_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_a_tlast => '0',
s_axis_b_tvalid => s_axis_b_tvalid,
s_axis_b_tdata => s_axis_b_tdata,
s_axis_b_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_b_tlast => '0',
s_axis_c_tvalid => '0',
s_axis_c_tdata => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 32)),
s_axis_c_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_c_tlast => '0',
s_axis_operation_tvalid => '0',
s_axis_operation_tdata => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
s_axis_operation_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_operation_tlast => '0',
m_axis_result_tvalid => m_axis_result_tvalid,
m_axis_result_tready => '0',
m_axis_result_tdata => m_axis_result_tdata
);
END fmul_arch;
| gpl-3.0 | 51eadc17385f1b2f8c673bdac989a84e | 0.628242 | 3.230059 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_float_8ALUs_2AXI.vhd | 1 | 23,540 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 11;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 8;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant MAX_FPU_DELAY : integer := FSQRT_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 4;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 4bf42eec09d2799d79016980c8054233 | 0.568734 | 3.717038 | false | false | false | false |
Kinxil/VHDL_Projects | Mandelbrot/cpt_iter.vhd | 1 | 884 |
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
use work.CONSTANTS.all;
use work.CONFIG_MANDELBROT.all;
entity cpt_iter is
Port ( clock : in STD_LOGIC;
reset : in STD_LOGIC;
inib : in std_logic;
endcalcul : in STD_LOGIC;
maxiter : in STD_LOGIC;
iter : out STD_LOGIC_VECTOR(ITER_RANGE-1 downto 0));
end cpt_iter;
architecture Behavioral of cpt_iter is
Signal iterS : unsigned(ITER_RANGE-1 downto 0);
begin
process(reset,clock)
begin
if reset='1' then
iterS<=to_unsigned(5,ITER_RANGE);
elsif rising_edge(clock) then
if maxiter = '1' then
iterS <= to_unsigned(ITER_MAX,ITER_RANGE);
elsif inib = '1' then
if endcalcul ='1' then
if iterS < (ITER_MAX-10) then
iterS<=iterS+1;
else
iterS<=to_unsigned(10,ITER_RANGE);
end if;
end if;
end if;
end if;
end process;
iter<=std_logic_vector(iterS);
end Behavioral; | gpl-3.0 | 47e1e04b1d0e8c2f67d10dec8ff46bed | 0.683258 | 2.736842 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_fadd_fmul_fsqrt_uitofp.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 3;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 20fde2ec2a04026663c15c3fa01642d6 | 0.567707 | 3.729005 | false | false | false | false |
malkadi/FGPU | RTL/CU_instruction_dispatcher.vhd | 1 | 10,173 | -- libraries -------------------------------------------------------------------------------------------{{{
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library work;
use work.all;
use work.FGPU_definitions.all;
---------------------------------------------------------------------------------------------------------}}}
entity CU_instruction_dispatcher is --{{{
port(
clk, nrst : in std_logic;
cram_rqst : out std_logic := '0';
cram_rdAddr : out unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
cram_rdAddr_conf : in unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
cram_rdData : in std_logic_vector(DATA_W-1 downto 0); -- cram_rdData is delayed by 1 clock cycle to cram_rdAddr_conf
PC_indx : in integer range 0 to N_WF_CU-1; --response in two clk cycles
wf_active : in std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
pc_updated : in std_logic_vector(N_WF_CU-1 downto 0);
PCs : in CRAM_ADDR_ARRAY(N_WF_CU-1 downto 0);
pc_rdy : out std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
instr : out std_logic_vector(DATA_W-1 downto 0) := (others => '0'); -- 1 clock cycle delayed after pc_rdy
instr_gmem_op : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
instr_scratchpad_ld : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
instr_gmem_read : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
instr_branch : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
instr_jump : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
instr_fpu : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
branch_distance : out branch_distance_vec(0 to N_WF_CU-1) := (others=>(others=>'0'));
wf_retired : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0')
);
end CU_instruction_dispatcher; -- }}}
architecture Behavioral of CU_instruction_dispatcher is
-- internal signals definitions {{{
signal cram_rdAddr_i : unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
signal pc_rdy_i : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_retired_i : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_gmem_op_i : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_scratchpad_ld_i : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_branch_i : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_jump_i : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_fpu_i : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_gmem_read_i : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal branch_distance_i : branch_distance_vec(0 to N_WF_CU-1) := (others=>(others=>'0'));
-- }}}
-- signals definitions {{{
type st_cram_type is (request, wait_resp, check);
type instr_vec_type is array (N_WF_CU-1 downto 0) of std_logic_vector(DATA_W-1 downto 0);
-- global FSM signals
signal instr_vec, instr_vec_n : instr_vec_type := (others=>(others=>'0'));
signal st_cram, st_cram_n : st_cram_type := check;
signal cram_ack : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
-- next signals
signal cram_rdAddr_n : unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
signal pc_rdy_n : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal cram_rdData_gmem_op : std_logic := '0';
signal instr_gmem_op_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_scratchpad_ld_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_branch_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_jump_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_fpu_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_gmem_read_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_retired_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal branch_distance_n : branch_distance_vec(0 to N_WF_CU-1) := (others=>(others=>'0'));
-- }}}
begin
-- internal signals -------------------------------------------------------------------------------------{{{
cram_rdAddr <= cram_rdAddr_i;
pc_rdy <= pc_rdy_i;
wf_retired <= wf_retired_i;
instr_gmem_op <= instr_gmem_op_i;
instr_scratchpad_ld <= instr_scratchpad_ld_i;
instr_gmem_read <= instr_gmem_read_i;
instr_branch <= instr_branch_i;
instr_jump <= instr_jump_i;
instr_fpu <= instr_fpu_i;
branch_distance <= branch_distance_i;
---------------------------------------------------------------------------------------------------------}}}
-- cram FSM ----------------------------------------------------------------------------------- {{{
process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
st_cram <= check;
instr_gmem_op_i <= (others=>'0');
instr_scratchpad_ld_i <= (others=>'0');
instr_branch_i <= (others=>'0');
instr_jump_i <= (others=>'0');
instr_fpu_i <= (others=>'0');
branch_distance_i <= (others=>(others=>'0'));
instr_gmem_read_i <= (others=>'0');
wf_retired_i <= (others=>'0');
pc_rdy_i <= (others=>'0');
cram_rdAddr_i <= (others=>'0');
instr_vec <= (others=>(others=>'0'));
instr <= (others=>'0');
else
st_cram <= st_cram_n;
pc_rdy_i <= pc_rdy_n;
cram_rdAddr_i <= cram_rdAddr_n;
instr_vec <= instr_vec_n;
instr <= instr_vec(PC_indx);
instr_gmem_op_i <= instr_gmem_op_n;
instr_scratchpad_ld_i <= instr_scratchpad_ld_n;
branch_distance_i <= branch_distance_n;
instr_branch_i <= instr_branch_n;
instr_jump_i <= instr_jump_n;
instr_fpu_i <= instr_fpu_n;
instr_gmem_read_i <= instr_gmem_read_n;
wf_retired_i <= wf_retired_n;
cram_ack <= (others=>'0');
for i in 0 to N_WF_CU-1 loop
if pc_rdy_i(i) = '0' and pc_updated(i) = '0' and PCs(i) = cram_rdAddr_conf and wf_active(i) = '1' then
cram_ack(i) <= '1';
end if;
end loop;
-- for i in 0 to N_WF_CU-1 loop
-- if wf_activate(i) = '1' then
-- wf_active(i) <= '1';
-- elsif wf_retired_i(i) = '1' then
-- wf_active(i) <= '0';
-- end if;
-- end loop;
end if;
end if;
end process;
WFs_bufs: for i in 0 to N_WF_CU-1 generate
begin
WF_buf: process(pc_updated(i), pc_rdy_i(i), cram_rdData, instr_vec(i), wf_retired_i(i), instr_gmem_op_i(i), instr_branch_i(i),
instr_gmem_read_i(i), branch_distance_i(i), cram_ack(i), instr_jump_i(i), instr_fpu_i(i), instr_scratchpad_ld_i(i))
begin
pc_rdy_n(i) <= pc_rdy_i(i);
instr_vec_n(i) <= instr_vec(i);
wf_retired_n(i) <= wf_retired_i(i);
instr_gmem_op_n(i) <= instr_gmem_op_i(i);
instr_scratchpad_ld_n(i) <= instr_scratchpad_ld_i(i);
branch_distance_n(i) <= branch_distance_i(i);
instr_branch_n(i) <= instr_branch_i(i);
instr_jump_n(i) <= instr_jump_i(i);
instr_fpu_n(i) <= instr_fpu_i(i);
instr_gmem_read_n(i) <= instr_gmem_read_i(i);
-- if wf_active(i) = '0' then
-- wf_retired_n(i) <= '0';
-- end if;
if pc_updated(i) = '1' then
pc_rdy_n(i) <= '0';
elsif cram_ack(i) = '1' then
instr_vec_n(i) <= cram_rdData;
instr_gmem_op_n(i) <= '0';
instr_gmem_read_n(i) <= '0';
instr_branch_n(i) <= '0';
instr_jump_n(i) <= '0';
instr_fpu_n(i) <= '0';
pc_rdy_n(i) <= '1';
wf_retired_n(i) <= '0';
instr_scratchpad_ld_n(i) <= '0';
case cram_rdData(FAMILY_POS+FAMILY_W-1 downto FAMILY_POS) is
when GLS_FAMILY =>
instr_gmem_op_n(i) <= '1';
instr_gmem_read_n(i) <= not cram_rdData(CODE_POS+CODE_W-1);
when ATO_FAMILY =>
instr_gmem_op_n(i) <= '1';
instr_gmem_read_n(i) <= '1';
when BRA_FAMILY =>
if cram_rdData(CODE_POS+CODE_W-1 downto CODE_POS) = JSUB then
instr_jump_n(i) <= '1';
else
instr_branch_n(i) <= '1';
end if;
branch_distance_n(i) <= unsigned(cram_rdData(BRANCH_ADDR_POS+BRANCH_ADDR_W-1 downto BRANCH_ADDR_POS));
when CTL_FAMILY =>
if cram_rdData(CODE_POS+CODE_W-1 downto CODE_POS) = RET then
wf_retired_n(i) <= '1';
end if;
when LSI_FAMILY =>
instr_scratchpad_ld_n(i) <= not cram_rdData(CODE_POS+CODE_W-1);
when FLT_FAMILY =>
instr_fpu_n(i) <= '1';
when others =>
end case;
end if;
end process;
end generate;
process(st_cram, cram_rdAddr_i, cram_rdAddr_conf, pc_rdy_i, wf_active, PCs)
begin
cram_rdAddr_n <= cram_rdAddr_i;
cram_rqst <= '0';
st_cram_n <= st_cram;
case st_cram is
when check =>
for i in 0 to N_WF_CU-1 loop
if wf_active(i)='1' and pc_rdy_i(i)='0' then
st_cram_n <= request;
cram_rdAddr_n <= PCs(i);
end if;
end loop;
when request =>
cram_rqst <= '1';
st_cram_n <= wait_resp;
when wait_resp =>
cram_rqst <= '1';
if cram_rdAddr_conf = cram_rdAddr_i then
st_cram_n <= check;
cram_rqst <= '0';
end if;
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
end Behavioral;
| gpl-3.0 | a9a2f45df88b09bf35c95c9cee5bb24b | 0.497788 | 3.230549 | false | false | false | false |
preusser/q27 | src/vhdl/PoC/xilinx/xil_SystemMonitor_Virtex6.vhdl | 2 | 5,256 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
--
-- ============================================================================
-- Authors: Patrick Lehmann
--
-- Module: System Monitor wrapper for temperature supervision applications
--
-- Description:
-- ------------------------------------
-- This module wraps a Virtex-6 System Monitor primitive to report if preconfigured
-- temperature values are overrun.
--
-- Temperature curve:
-- ------------------
--
-- | /-----\
-- Temp_ov on=80 | - - - - - - /-------/ \
-- | / | \
-- Temp_ov off=60 | - - - - - / - - - - | - - - - \----\
-- | / | \
-- | / | | \
-- Temp_us on=35 | - /---/ | | \
-- Temp_us off=30 | - / - -|- - - - - - | - - - - - - -|- \------\
-- | / | | | \
-- ----------------|--------|------------|--------------|----------|---------
-- pwm = | min | medium | max | medium | min
--
--
-- License:
-- ============================================================================
-- Copyright 2007-2015 Technische Universitaet Dresden - Germany
-- Chair for VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- ============================================================================
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.all;
USE IEEE.NUMERIC_STD.all;
LIBRARY UniSim;
USE UniSim.vComponents.ALL;
entity xil_SystemMonitor_Virtex6 is
port (
Reset : in STD_LOGIC; -- Reset signal for the System Monitor control logic
Alarm_UserTemp : out STD_LOGIC; -- Temperature-sensor alarm output
Alarm_OverTemp : out STD_LOGIC; -- Over-Temperature alarm output
Alarm : out STD_LOGIC; -- OR'ed output of all the Alarms
VP : in STD_LOGIC; -- Dedicated Analog Input Pair
VN : in STD_LOGIC
);
end;
architecture xilinx of xil_SystemMonitor_Virtex6 is
signal FLOAT_VCCAUX_ALARM : STD_LOGIC;
signal FLOAT_VCCINT_ALARM : STD_LOGIC;
signal aux_channel_p : STD_LOGIC_VECTOR(15 downto 0);
signal aux_channel_n : STD_LOGIC_VECTOR(15 downto 0);
signal SysMonitor_Alarm : STD_LOGIC_VECTOR(2 downto 0);
signal SysMonitor_OverTemp : STD_LOGIC;
begin
genAUXChannel : for i in 0 to 15 generate
aux_channel_p(i) <= '0';
aux_channel_n(i) <= '0';
end generate;
SysMonitor : SYSMON
generic map (
INIT_40 => x"0000", -- config reg 0
INIT_41 => x"300c", -- config reg 1
INIT_42 => x"0a00", -- config reg 2
INIT_48 => x"0100", -- Sequencer channel selection
INIT_49 => x"0000", -- Sequencer channel selection
INIT_4A => x"0000", -- Sequencer Average selection
INIT_4B => x"0000", -- Sequencer Average selection
INIT_4C => x"0000", -- Sequencer Bipolar selection
INIT_4D => x"0000", -- Sequencer Bipolar selection
INIT_4E => x"0000", -- Sequencer Acq time selection
INIT_4F => x"0000", -- Sequencer Acq time selection
INIT_50 => x"a418", -- Temp alarm trigger
INIT_51 => x"5999", -- Vccint upper alarm limit
INIT_52 => x"e000", -- Vccaux upper alarm limit
INIT_53 => x"b363", -- Temp alarm OT upper
INIT_54 => x"9c87", -- Temp alarm reset
INIT_55 => x"5111", -- Vccint lower alarm limit
INIT_56 => x"caaa", -- Vccaux lower alarm limit
INIT_57 => x"a425", -- Temp alarm OT reset
SIM_DEVICE => "VIRTEX6",
SIM_MONITOR_FILE => "SystemMonitor_sim.txt"
)
port map (
-- Control and Clock
RESET => Reset,
CONVSTCLK => '0',
CONVST => '0',
-- DRP port
DCLK => '0',
DEN => '0',
DADDR => "0000000",
DWE => '0',
DI => x"0000",
DO => open,
DRDY => open,
-- External analog inputs
VAUXN => aux_channel_n(15 downto 0),
VAUXP => aux_channel_p(15 downto 0),
VN => VN,
VP => VP,
-- Alarms
OT => SysMonitor_OverTemp,
ALM => SysMonitor_Alarm,
-- Status
CHANNEL => open,
BUSY => open,
EOC => open,
EOS => open,
JTAGBUSY => open,
JTAGLOCKED => open,
JTAGMODIFIED => open
);
Alarm_UserTemp <= SysMonitor_Alarm(0);
Alarm_OverTemp <= SysMonitor_OverTemp;
Alarm <= SysMonitor_Alarm(0) or SysMonitor_OverTemp;
end;
| agpl-3.0 | d1eef6130d2fe5c57ac20109d57f6d82 | 0.509513 | 3.268657 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_2CACHE_WORDS.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 1;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 1426be4e6fdf5b9c0d6fe9b113384af1 | 0.567707 | 3.729005 | false | false | false | false |
jpidancet/mips | rtl/mips_defs.vhd | 1 | 3,801 | library ieee;
use ieee.std_logic_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.ALL;
package mips_defs is
subtype mips_opcode_type is std_logic_vector(5 downto 0);
subtype mips_func_type is std_logic_vector(5 downto 0);
constant OP_SPECIAL : std_logic_vector(5 downto 0) := "000000";
constant OP_J : std_logic_vector(5 downto 0) := "000010";
constant OP_JAL : std_logic_vector(5 downto 0) := "000011";
constant OP_BEQ : std_logic_vector(5 downto 0) := "000100";
constant OP_BNE : std_logic_vector(5 downto 0) := "000101";
constant OP_ADDI : std_logic_vector(5 downto 0) := "001000";
constant OP_ADDIU : std_logic_vector(5 downto 0) := "001001";
constant OP_SLTI : std_logic_vector(5 downto 0) := "001010"; -- Not implemented
constant OP_SLTIU : std_logic_vector(5 downto 0) := "001011"; -- Not implemented
constant OP_ANDI : std_logic_vector(5 downto 0) := "001100";
constant OP_ORI : std_logic_vector(5 downto 0) := "001101";
constant OP_LUI : std_logic_vector(5 downto 0) := "001111";
constant OP_LB : std_logic_vector(5 downto 0) := "100000"; -- Not implemented
constant OP_LW : std_logic_vector(5 downto 0) := "100011";
constant OP_LBU : std_logic_vector(5 downto 0) := "100100"; -- Not implemented
constant OP_LHU : std_logic_vector(5 downto 0) := "100101"; -- Not implemented
constant OP_SB : std_logic_vector(5 downto 0) := "101000"; -- Not implemented
constant OP_SH : std_logic_vector(5 downto 0) := "101001"; -- Not implemented
constant OP_SW : std_logic_vector(5 downto 0) := "101011";
constant OP_LL : std_logic_vector(5 downto 0) := "110000"; -- Not implemented
constant OP_SC : std_logic_vector(5 downto 0) := "111000"; -- Not implemented
constant FUNC_SLL : std_logic_vector(5 downto 0) := "000000";
constant FUNC_SRL : std_logic_vector(5 downto 0) := "000010";
constant FUNC_JR : std_logic_vector(5 downto 0) := "001000";
constant FUNC_JALR : std_logic_vector(5 downto 0) := "001001";
constant FUNC_ADD : std_logic_vector(5 downto 0) := "100000";
constant FUNC_ADDU : std_logic_vector(5 downto 0) := "100001";
constant FUNC_SUB : std_logic_vector(5 downto 0) := "100010";
constant FUNC_SUBU : std_logic_vector(5 downto 0) := "100011";
constant FUNC_AND : std_logic_vector(5 downto 0) := "100100";
constant FUNC_OR : std_logic_vector(5 downto 0) := "100101";
constant FUNC_XOR : std_logic_vector(5 downto 0) := "100110";
constant FUNC_NOR : std_logic_vector(5 downto 0) := "100111";
constant FUNC_SLT : std_logic_vector(5 downto 0) := "101010";
constant FUNC_SLTU : std_logic_vector(5 downto 0) := "101011";
type branch_type is (NO_BRANCH,
BRANCH_COND,
JUMP_IMM,
JUMP_REG);
type extend_type is (ZERO_EXTEND,
SIGN_EXTEND,
SHIFT16_EXTEND);
type compare_type is (CMP_EQUAL,
CMP_NOT_EQUAL,
CMP_GREATER,
CMP_GREATER_OR_EQUAL,
CMP_LESS,
CMP_LESS_OR_EQUAL);
type alucontrol_type is (ALU_SLL,
ALU_SRL,
ALU_AND,
ALU_XOR,
ALU_NOR,
ALU_OR,
ALU_ADD,
ALU_SUB,
ALU_SLT,
ALU_SLTU,
ALU_BPLUS4);
end package mips_defs;
package body mips_defs is
end package body;
| isc | aa8023f06d541d6a8209ed69329f0d49 | 0.552486 | 3.726471 | false | false | false | false |
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mtyUUz7Y2MHY64t/R4nRrLg0FCVPpQOgKWQUZa7uB06XKUtoYR4evmkZ5gDN
`protect end_protected
| mit | 6c7a32c885f78d562f59ef0102b884af | 0.954267 | 1.831141 | false | false | false | false |
wltr/cern-fgclite | critical_fpga/src/rtl/cf/nf/nf_transmitter.vhd | 1 | 3,866 | -------------------------------------------------------------------------------
--! @file nf_transmitter.vhd
--! @author Johannes Walter <[email protected]>
--! @copyright CERN TE-EPC-CCE
--! @date 2014-07-23
--! @brief NanoFIP transmitter.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library work;
use work.nf_pkg.all;
--! @brief Entity declaration of nf_transmitter
--! @details
--! All critical registers and the paged memory are concatenated and
--! transmitted to the gateway.
entity nf_transmitter is
port (
--! @name Clock and resets
--! @{
--! System clock
clk_i : in std_ulogic;
--! Asynchronous active-low reset
rst_asy_n_i : in std_ulogic;
--! Synchronous active-high reset
rst_syn_i : in std_ulogic;
--! @}
--! @name Control signals
--! @{
--! Start transmission
start_i : in std_ulogic;
--! @}
--! @name Transmitter
--! @{
--! Address
tx_addr_o : out std_ulogic_vector(6 downto 0);
--! Data
tx_data_o : out std_ulogic_vector(7 downto 0);
--! Data enable
tx_data_en_o : out std_ulogic;
--! Busy flag
tx_busy_i : in std_ulogic;
--! Done flag
tx_done_i : in std_ulogic;
--! @}
--! @name Memory
--! @{
--! Read enable
mem_rd_en_o : out std_ulogic;
--! Address
mem_addr_o : out std_ulogic_vector(6 downto 0);
--! Data
mem_data_i : in std_ulogic_vector(7 downto 0);
--! Data enable
mem_data_en_i : in std_ulogic);
--! @}
end entity nf_transmitter;
--! RTL implementation of nf_transmitter
architecture rtl of nf_transmitter is
---------------------------------------------------------------------------
--! @name Types and Constants
---------------------------------------------------------------------------
--! @{
constant nf_addr_offset_c : natural := 2;
constant num_bytes_c : natural := 124;
--! @}
---------------------------------------------------------------------------
--! @name Internal Registers
---------------------------------------------------------------------------
--! @{
signal addr : unsigned(tx_addr_o'range);
signal rd_en : std_ulogic;
signal busy : std_ulogic;
--! @}
begin -- architecture rtl
---------------------------------------------------------------------------
-- Outputs
---------------------------------------------------------------------------
tx_addr_o <= std_ulogic_vector(addr + nf_addr_offset_c);
tx_data_o <= mem_data_i;
tx_data_en_o <= mem_data_en_i;
mem_rd_en_o <= rd_en;
mem_addr_o <= std_ulogic_vector(addr);
---------------------------------------------------------------------------
-- Registers
---------------------------------------------------------------------------
regs : process (clk_i, rst_asy_n_i) is
procedure reset is
begin
addr <= to_unsigned(0, addr'length);
rd_en <= '0';
busy <= '0';
end procedure reset;
begin -- process regs
if rst_asy_n_i = '0' then
reset;
elsif rising_edge(clk_i) then
if rst_syn_i = '1' then
reset;
else
-- Defaults
rd_en <= '0';
if busy = '0' and tx_busy_i = '0' and start_i = '1' then
rd_en <= '1';
busy <= '1';
elsif busy = '1' and tx_done_i = '1' then
busy <= '0';
if to_integer(addr) < num_bytes_c - 1 then
rd_en <= '1';
busy <= '1';
end if;
end if;
if start_i = '1' then
addr <= to_unsigned(0, addr'length);
elsif tx_done_i = '1' then
addr <= addr + 1;
end if;
end if;
end if;
end process regs;
end architecture rtl;
| mit | 0496a48fdbd4ed236824656e758d6b3b | 0.433523 | 4.052411 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_fmul_2AXI.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 0;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 722b2b97158fd9d1354d6d49ccae1ef7 | 0.567707 | 3.729005 | false | false | false | false |
Ttl/fsm_uart | examples/echo_tb.vhd | 1 | 2,605 | LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
ENTITY echo_tb IS
END echo_tb;
ARCHITECTURE behavior OF echo_tb IS
-- Component Declaration for the Unit Under Test (UUT)
COMPONENT echo
PORT(
rx : IN std_logic;
tx : OUT std_logic;
clk : IN std_logic
);
END COMPONENT;
component uart is
generic (
CLK_FREQ : integer := 32; -- Main frequency (MHz)
SER_FREQ : integer := 115200 -- Baud rate (bps)
);
port (
-- Control
clk : in std_logic; -- Main clock
rst : in std_logic; -- Main reset
-- External Interface
rx : in std_logic; -- RS232 received serial data
tx : out std_logic; -- RS232 transmitted serial data
-- uPC Interface
tx_req : in std_logic; -- Request SEND of data
tx_end : out std_logic; -- Data SENDED
tx_data : in std_logic_vector(7 downto 0); -- Data to transmit
rx_ready : out std_logic; -- Received data ready to uPC read
rx_data : out std_logic_vector(7 downto 0) -- Received data
);
end component;
--Inputs
signal rx : std_logic := '0';
signal clk : std_logic := '0';
--Outputs
signal tx : std_logic;
-- UART signals
signal uart_tx_req : std_logic := '0';
signal uart_tx_end : std_logic := '0';
signal uart_tx_data : std_logic_vector(7 downto 0) := (others => '0');
signal uart_rx_ready : std_logic := '0';
signal uart_rx_data : std_logic_vector(7 downto 0) := (others => '0');
-- Clock period definitions
constant clk_period : time := 10 ns;
BEGIN
-- Instantiate the Unit Under Test (UUT)
uut: echo PORT MAP (
rx => rx,
tx => tx,
clk => clk
);
u1: uart
generic map(
CLK_FREQ => 32,
SER_FREQ => 115200
)
port map(
clk => clk,
rst => '0',
rx => '1',
tx => rx,
tx_req => uart_tx_req,
tx_end => uart_tx_end,
tx_data => uart_tx_data,
rx_ready => uart_rx_ready,
rx_data => uart_rx_data
);
-- Clock process definitions
clk_process :process
begin
clk <= '0';
wait for clk_period/2;
clk <= '1';
wait for clk_period/2;
end process;
tx_proc : process
begin
wait for 1000us;
uart_tx_data <= "01100101";
wait for 10us;
uart_tx_req <= '1';
wait for 10us;
uart_tx_req <= '0';
wait for 1000us;
uart_tx_data <= "00000000";
wait for 10us;
uart_tx_req <= '1';
wait for 10us;
uart_tx_req <= '0';
end process;
-- Stimulus process
stim_proc: process
begin
-- hold reset state for 100 ns.
wait for 100 ns;
wait for clk_period*10;
-- insert stimulus here
wait;
end process;
END;
| lgpl-3.0 | ee7e4efd33d50dc750c73f24b5769962 | 0.583877 | 2.884828 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_1CU_min_area.vhd | 1 | 23,421 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 0; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant FADD_DELAY : integer := 11;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 4;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | e774854ff2b9448a104943e4341ac93c | 0.569105 | 3.711139 | false | false | false | false |
Ttl/fsm_uart | uart.vhd | 1 | 7,839 | library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
entity uart is
generic (
CLK_FREQ : integer := 32; -- Main frequency (MHz)
SER_FREQ : integer := 9600; -- Baud rate (bps)
PARITY_BIT : boolean := true -- Parity bit enable/disable
);
port (
-- Control
clk : in std_logic; -- Main clock
rst : in std_logic; -- Main reset
-- External Interface
rx : in std_logic; -- RS232 received serial data
tx : out std_logic; -- RS232 transmitted serial data
-- uPC Interface
tx_req : in std_logic; -- Request SEND of data
tx_end : out std_logic; -- Data SENDED
tx_data : in std_logic_vector(7 downto 0); -- Data to transmit
rx_ready : out std_logic; -- Received data ready to uPC read
rx_data : out std_logic_vector(7 downto 0) -- Received data
);
end uart;
architecture Behavioral of uart is
-- Constants
constant UART_IDLE : std_logic := '1';
constant UART_START : std_logic := '0';
constant RST_LVL : std_logic := '1';
-- Types
type state_tx is (idle,data,parity,stop1,stop2); -- Stop1 and Stop2 are inter frame gap signals
type state_rx is (idle,data,parity);
-- RX Signals
signal rx_fsm : state_rx; -- Control of reception
signal rx_clk_en : std_logic; -- Received clock enable
signal rx_rcv_init : std_logic; -- Start of reception
signal rx_par_bit : std_logic; -- Calculated Parity bit
signal rx_data_deb : std_logic; -- Debounce RX data
signal rx_data_tmp : std_logic_vector(6 downto 0); -- Serial to parallel converter
signal rx_data_cnt : std_logic_vector(2 downto 0); -- Count received bits
-- TX Signals
signal tx_fsm : state_tx; -- Control of transmission
signal tx_init : std_logic; -- Resets tx_clk when tx_req is asserted
signal tx_start : std_logic; -- TX start signal for FSM
signal tx_clk_en : std_logic; -- Transmited clock enable
signal tx_par_bit : std_logic; -- Calculated Parity bit
signal tx_data_tmp : std_logic_vector(7 downto 0); -- Parallel to serial converter
signal tx_data_cnt : std_logic_vector(2 downto 0); -- Count transmited bits
-- Return a counter value that minimizes the error between real and wanted baud rate.
function counts(clk_freq, ser_freq : integer)
return integer is
variable tmp : integer := (clk_freq*1_000_000)/ser_freq;
begin
if abs(Real(clk_freq*1_000_000)/Real(tmp)-Real(ser_freq)) < abs(Real(clk_freq*1_000_000)/Real(tmp-1)-Real(ser_freq)) then
return tmp;
else
return tmp - 1;
end if;
end counts;
begin
tx_start_detect:process(clk)
variable tx_req_old, tx_init_old : std_logic;
begin
if clk'event and clk = '1' then
if tx_init_old = '0' and tx_req = '1' and tx_fsm = idle then
tx_init <= '1';
else
tx_init <= '0';
tx_start <= tx_req_old;
end if;
-- Default assignments
tx_req_old := tx_req;
tx_init_old := tx_init;
-- Reset condition
if rst = RST_LVL then
tx_req_old := '0';
tx_start <= '0';
tx_init <= '0';
end if;
end if;
end process;
tx_clk_gen:process(clk)
variable counter : integer range 0 to conv_integer(counts(CLK_FREQ, SER_FREQ));
begin
if clk'event and clk = '1' then
-- Normal Operation
if counter = counts(CLK_FREQ, SER_FREQ) or tx_init = '1' then
tx_clk_en <= '1';
counter := 0;
else
tx_clk_en <= '0';
counter := counter + 1;
end if;
-- Reset condition
if rst = RST_LVL then
tx_clk_en <= '0';
counter := 0;
end if;
end if;
end process;
tx_proc:process(clk)
variable data_cnt : std_logic_vector(2 downto 0);
begin
if clk'event and clk = '1' then
tx_end <= '0';
if tx_clk_en = '1' then
-- Default values
tx <= UART_IDLE;
-- FSM description
case tx_fsm is
-- Wait to transfer data
when idle =>
-- Send Init Bit
if tx_start = '1' then
tx <= UART_START;
tx_data_tmp <= tx_data;
tx_fsm <= data;
tx_data_cnt <= (others=>'1');
tx_par_bit <= '0';
end if;
-- Data receive
when data =>
tx <= tx_data_tmp(0);
tx_par_bit <= tx_par_bit xor tx_data_tmp(0);
if tx_data_cnt = 0 then
if PARITY_BIT then
tx_fsm <= parity;
else
tx_fsm <= stop1;
end if;
tx_data_cnt <= (others=>'1');
else
tx_data_tmp <= '0' & tx_data_tmp(7 downto 1);
tx_data_cnt <= tx_data_cnt - 1;
end if;
when parity =>
tx <= tx_par_bit;
tx_fsm <= stop1;
-- End of communication
when stop1 =>
-- Send Stop Bit
tx <= UART_IDLE;
tx_fsm <= stop2;
when stop2 =>
-- Send Stop Bit
tx_end <= '1';
tx <= UART_IDLE;
tx_fsm <= idle;
-- Invalid States
when others => null;
end case;
-- Reset condition
if rst = RST_LVL then
tx_fsm <= idle;
tx_par_bit <= '0';
tx_data_tmp <= (others=>'0');
tx_data_cnt <= (others=>'0');
end if;
end if;
end if;
end process;
rx_debounceer:process(clk)
variable deb_buf : std_logic_vector(3 downto 0);
begin
if clk'event and clk = '1' then
-- Debounce logic
if deb_buf = "0000" then
rx_data_deb <= '0';
elsif deb_buf = "1111" then
rx_data_deb <= '1';
end if;
-- Data storage to debounce
deb_buf := deb_buf(2 downto 0) & rx;
end if;
end process;
rx_start_detect:process(clk)
variable rx_data_old : std_logic;
begin
if clk'event and clk = '1' then
-- Falling edge detection
if rx_data_old = '1' and rx_data_deb = '0' and rx_fsm = idle then
rx_rcv_init <= '1';
else
rx_rcv_init <= '0';
end if;
-- Default assignments
rx_data_old := rx_data_deb;
-- Reset condition
if rst = RST_LVL then
rx_data_old := '0';
rx_rcv_init <= '0';
end if;
end if;
end process;
rx_clk_gen:process(clk)
variable counter : integer range 0 to conv_integer(counts(CLK_FREQ, SER_FREQ));
begin
if clk'event and clk = '1' then
-- Normal Operation
if counter = counts(CLK_FREQ, SER_FREQ) or rx_rcv_init = '1' then
rx_clk_en <= '1';
counter := 0;
else
rx_clk_en <= '0';
counter := counter + 1;
end if;
-- Reset condition
if rst = RST_LVL then
rx_clk_en <= '0';
counter := 0;
end if;
end if;
end process;
rx_proc:process(clk)
begin
if clk'event and clk = '1' then
-- Default values
rx_ready <= '0';
-- Enable on UART rate
if rx_clk_en = '1' then
-- FSM description
case rx_fsm is
-- Wait to transfer data
when idle =>
if rx_data_deb = UART_START then
rx_fsm <= data;
end if;
rx_par_bit <= '0';
rx_data_cnt <= (others=>'0');
-- Data receive
when data =>
-- Check data to generate parity
if PARITY_BIT then
rx_par_bit <= rx_par_bit xor rx;
end if;
if rx_data_cnt = 7 then
-- Data path
rx_data(7) <= rx;
for i in 0 to 6 loop
rx_data(i) <= rx_data_tmp(6-i);
end loop;
-- With parity verification
if PARITY_BIT then
rx_fsm <= parity;
-- Without parity verification
else
rx_ready <= '1';
rx_fsm <= idle;
end if;
else
rx_data_tmp <= rx_data_tmp(5 downto 0) & rx;
rx_data_cnt <= rx_data_cnt + 1;
end if;
when parity =>
-- Check received parity
rx_fsm <= idle;
if rx_par_bit = rx then
rx_ready <= '1';
end if;
when others => null;
end case;
-- Reset condition
if rst = RST_LVL then
rx_fsm <= idle;
rx_ready <= '0';
rx_data <= (others=>'0');
rx_data_tmp <= (others=>'0');
rx_data_cnt <= (others=>'0');
end if;
end if;
end if;
end process;
end Behavioral;
| lgpl-3.0 | 02bbacdb7bdb41ba664a0c53692a59a3 | 0.57367 | 2.679084 | false | false | false | false |
jcowgill/cs-dacs-robot | Robot/DecoderTB.vhd | 1 | 1,635 | LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
ENTITY Decoder_Decoder_sch_tb IS
END Decoder_Decoder_sch_tb;
ARCHITECTURE behavioral OF Decoder_Decoder_sch_tb IS
COMPONENT Decoder
PORT ( RF : OUT STD_LOGIC;
RR : OUT STD_LOGIC;
LF : OUT STD_LOGIC;
LR : OUT STD_LOGIC;
SCLK : IN STD_LOGIC;
I : IN STD_LOGIC_VECTOR(5 DOWNTO 0));
END COMPONENT;
SIGNAL RF : STD_LOGIC;
SIGNAL RR : STD_LOGIC;
SIGNAL LF : STD_LOGIC;
SIGNAL LR : STD_LOGIC;
SIGNAL SCLK : STD_LOGIC;
SIGNAL I : STD_LOGIC_VECTOR(5 DOWNTO 0);
BEGIN
UUT: Decoder PORT MAP(
RF => RF,
RR => RR,
LF => LF,
LR => LR,
SCLK => SCLK,
I => I
);
tb_clock : PROCESS
BEGIN
-- Clock Process
SCLK <= '0';
WAIT FOR 100ns;
SCLK <= '1';
WAIT FOR 100ns;
END PROCESS;
tb_process : PROCESS
BEGIN
-- Instruction 0
I <= "000000";
WAIT FOR 1000ns;
-- Instruction 1
I <= "000001";
WAIT FOR 1000ns;
-- Instruction 2
I <= "000010";
WAIT FOR 1000ns;
-- Instruction 3
I <= "000011";
WAIT FOR 1000ns;
-- Instruction 4
I <= "000100";
WAIT FOR 1000ns;
-- Instruction 5
I <= "000101";
WAIT FOR 1000ns;
-- Instruction 6
I <= "000110";
WAIT FOR 1000ns;
-- Instruction 7
I <= "000111";
WAIT;
END PROCESS;
END;
| apache-2.0 | c3f91044781e9a8336a5e37408280b58 | 0.480122 | 3.874408 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_8Banks.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 0be3fc6835d9c4a1bf0e60fca3523011 | 0.567707 | 3.729005 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_4AXI_2TAGM.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 0; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 2;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 0;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+1; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | cb834c4f72b1f9d0f09bd62df4ce65c2 | 0.567707 | 3.729005 | false | false | false | false |
jpidancet/mips | rtl/register_file.vhd | 1 | 1,843 | library ieee;
use ieee.std_logic_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.ALL;
entity register_file is
port (clk : in std_logic;
rst : in std_logic;
a1 : in std_logic_vector(4 downto 0);
a2 : in std_logic_vector(4 downto 0);
a3 : in std_logic_vector(4 downto 0);
wd3 : in std_logic_vector(31 downto 0);
we3 : in std_logic;
rd1 : out std_logic_vector(31 downto 0);
rd2 : out std_logic_vector(31 downto 0));
end entity register_file;
architecture rtl of register_file is
type reg_array is array (1 to 31) of std_logic_vector(31 downto 0);
signal regs: reg_array;
signal addr1, addr2, addr3: integer range 0 to 31;
begin
addr1 <= to_integer(unsigned(a1));
addr2 <= to_integer(unsigned(a2));
addr3 <= to_integer(unsigned(a3));
process (addr1, addr3, we3, wd3, regs)
begin
if addr1 = 0 then
rd1 <= (others => '0');
elsif we3 = '1' and addr1 = addr3 then
rd1 <= wd3;
else
rd1 <= regs(addr1);
end if;
end process;
process (addr2, addr3, we3, wd3, regs)
begin
if addr2 = 0 then
rd2 <= (others => '0');
elsif we3 = '1' and addr2 = addr3 then
rd2 <= wd3;
else
rd2 <= regs(addr2);
end if;
end process;
process (clk, rst)
begin
if rst = '1' then
for i in 1 to 31 loop
regs(i) <= (others => '0');
end loop;
elsif rising_edge(clk) then
if we3 = '1' and addr3 /= 0 then
regs(addr3) <= wd3;
end if;
end if;
end process;
end architecture rtl;
| isc | 3442883408312c96b292fcae26b3e35b | 0.502984 | 3.47081 | false | false | false | false |
preusser/q27 | src/vhdl/PoC/io/io_TimingCounter.vhdl | 2 | 3,246 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
--
-- ============================================================================
-- Authors: Patrick Lehmann
--
-- Module: optimized down-counter to control timings for low speed signals
--
-- Description:
-- ------------------------------------
-- This down-counter can be configured with a TIMING_TABLE (a ROM), from which
-- the initial counter value is loaded. The table index can be selected by
-- 'Slot'. 'Timeout' is a registered output. Up to 16 values fit into one ROM
-- consisting of 'log2ceilnz(imax(TIMING_TABLE)) + 1' 6-input LUTs.
--
-- License:
-- ============================================================================
-- Copyright 2007-2015 Technische Universitaet Dresden - Germany
-- Chair for VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- ============================================================================
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
library PoC;
use PoC.my_config.all;
use PoC.utils.all;
entity io_TimingCounter is
generic (
TIMING_TABLE : T_NATVEC -- timing table
);
port (
Clock : in STD_LOGIC; -- clock
Enable : in STD_LOGIC; -- enable counter
Load : in STD_LOGIC; -- load Timing Value from TIMING_TABLE selected by slot
Slot : in NATURAL range 0 to (TIMING_TABLE'length - 1); --
Timeout : out STD_LOGIC -- timing reached
);
end;
architecture rtl of io_TimingCounter is
function transform(vec : T_NATVEC) return T_INTVEC is
variable Result : T_INTVEC(vec'range);
begin
assert (not MY_VERBOSE) report "TIMING_TABLE (transformed):" severity NOTE;
for i in vec'range loop
Result(I) := vec(I) - 1;
assert (not MY_VERBOSE) report " " & INTEGER'image(I) & " - " & INTEGER'image(Result(I)) severity NOTE;
end loop;
return Result;
end;
constant TIMING_TABLE2 : T_INTVEC := transform(TIMING_TABLE);
constant TIMING_MAX : NATURAL := imax(TIMING_TABLE2);
constant COUNTER_BITS : NATURAL := log2ceilnz(TIMING_MAX + 1);
signal Counter_s : SIGNED(COUNTER_BITS downto 0) := to_signed(TIMING_TABLE2(0), COUNTER_BITS + 1);
begin
process(Clock)
begin
if rising_edge(Clock) then
if (Load = '1') then
Counter_s <= to_signed(TIMING_TABLE2(Slot), Counter_s'length);
elsif ((Enable = '1') and (Counter_s(Counter_s'high) = '0')) then
Counter_s <= Counter_s - 1;
end if;
end if;
end process;
timeout <= Counter_s(Counter_s'high);
end;
| agpl-3.0 | 51a84f8048fd9a5d31d98a0c9be7b9c8 | 0.609057 | 3.602664 | false | false | false | false |
malkadi/FGPU | RTL/gmem_cntrl_tag.vhd | 1 | 58,217 | -- libraries -------------------------------------------------------------------------------------------{{{
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library work;
use work.all;
use work.FGPU_definitions.all;
---------------------------------------------------------------------------------------------------------}}}
entity gmem_cntrl_tag is -- {{{
port(
-- axi signals
wr_fifo_free : in std_logic_vector(N_WR_FIFOS-1 downto 0) := (others=>'0'); --free ports have to respond to go ports immediately (in one clock cycle)
wr_fifo_go : out std_logic_vector(N_WR_FIFOS-1 downto 0) := (others=>'0');
wr_fifo_cache_ack : in std_logic_vector(N_WR_FIFOS-1 downto 0) := (others=>'0');
axi_rdAddr : out gmem_addr_array_no_bank(N_WR_FIFOS-1 downto 0) := (others=>(others=>'0'));
axi_writer_go : out std_logic_vector(N_AXI-1 downto 0) := (others=>'0');
axi_wrAddr : out gmem_addr_array_no_bank(N_AXI-1 downto 0) := (others=>(others=>'0'));
axi_writer_free : in std_logic_vector(N_AXI-1 downto 0) := (others=>'0');
axi_rd_fifo_filled : in std_logic_vector(N_AXI-1 downto 0);
axi_wvalid : in std_logic_vector(N_AXI-1 downto 0);
axi_writer_ack : in std_logic_vector(N_TAG_MANAGERS-1 downto 0);
axi_writer_id : out std_logic_vector(N_TAG_MANAGERS_W-1 downto 0) := (others=>'0');
--receivers signals
rcv_alloc_tag : in std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0'); -- rcv_alloc_tag need to be set whether it is a tag to be allocated or a page to be validate
-- rcv_validate_page : in std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
rcv_gmem_addr : in gmem_word_addr_array(N_RECEIVERS-1 downto 0) := (others=>(others=>'0'));
rcv_rnw : in std_logic_vector(N_RECEIVERS-1 downto 0);
rcv_tag_written : out std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
rcv_tag_updated : out std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
rcv_page_validated : out std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
rcv_read_tag : in std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
rcv_read_tag_ack : out std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
rdData_page_v : out std_logic_vector(N_RD_PORTS-1 downto 0) := (others=>'0');
rdData_tag_v : out std_logic_vector(N_RD_PORTS-1 downto 0) := (others=>'0');
rdData_tag : out tag_array(N_RD_PORTS-1 downto 0) := (others=>(others=>'0'));
-- cache port a signals
cache_we : in std_logic := '0';
cache_addra : in unsigned(M+L-1 downto 0) := (others=>'0');
cache_wea : in std_logic_vector((2**N)*DATA_W/8-1 downto 0) := (others=>'0');
-- finish
WGsDispatched : in std_logic;
CUs_gmem_idle : in std_logic;
rcv_all_idle : in std_logic := '0';
rcv_idle : in std_logic_vector(N_RECEIVERS-1 downto 0);
finish_exec : out std_logic := '0';
start_kernel : in std_logic;
clean_cache : in std_logic;
atomic_can_finish : in std_logic := '0';
-- write pipeline
write_pipe_active : in std_logic_vector(4 downto 0) := (others=>'0');
write_pipe_wrTag : in tag_addr_array(4 downto 0);
clk, nrst : in std_logic
);
end entity; -- }}}
architecture basic of gmem_cntrl_tag is
-- internal signals definitions {{{
signal axi_wrAddr_i : gmem_addr_array_no_bank(N_AXI-1 downto 0) := (others=>(others=>'0'));
signal rdData_tag_i : tag_array(N_RD_PORTS-1 downto 0) := (others=>(others=>'0')); -- on a critical path
-- }}}
-- axi signals {{{
signal wr_fifo_go_n : std_logic_vector(N_WR_FIFOS-1 downto 0) := (others=>'0');
signal axi_writer_go_n : std_logic_vector(N_AXI-1 downto 0) := (others=>'0');
signal axi_writer_id_n : std_logic_vector(N_TAG_MANAGERS_W-1 downto 0) := (others=>'0');
--}}}
-- functions & constants {{{
function map_rd_fifo_to_axis(n_rd_fifos : natural; n_axis: natural) return nat_array is
variable res : nat_array(n_rd_fifos-1 downto 0) := (others=>0);
begin
for i in 0 to n_rd_fifos-1 loop
res(i) := i mod n_axis;
end loop;
return res;
end function;
constant c_rd_fifo_axi : nat_array(N_TAG_MANAGERS-1 downto 0) := map_rd_fifo_to_axis(N_TAG_MANAGERS, N_AXI);
-- }}}
-- mem signals {{{
signal tag : tag_array(0 to 2**M-1) := (others=>(others=>'0'));
signal wrAddr_tag, wrAddr_tag_n : unsigned(M-1 downto 0) := (others=>'0');
signal wrData_tag, wrData_tag_n : unsigned(TAG_W-1 downto 0) := (others=>'0');
signal rdAddr_tag, rdAddr_tag_n : tag_addr_array(N_RD_PORTS-1 downto 0) := (others=>(others=>'0'));
signal we_tag, we_tag_n : std_logic := '0';
signal tag_v : std_logic_vector(0 to 2**M-1) := (others=>'0');
signal we_tag_v, we_tag_v_n : std_logic := '0';
signal wrAddr_tag_v, wrAddr_tag_v_n : unsigned(M-1 downto 0) := (others=>'0');
signal wrData_tag_v, wrData_tag_v_n : std_logic := '0';
signal clear_tag, clear_tag_n : std_logic := '0';
signal page_v : std_logic_vector(0 to 2**M-1) := (others=>'0');
signal we_page_v, we_page_v_n : std_logic := '0';
signal wrAddr_page_v, wrAddr_page_v_n : unsigned(M-1 downto 0) := (others=>'0');
signal wrData_page_v, wrData_page_v_n : std_logic := '0';
-- }}}
-- receivers signals {{{
signal rcv_tag_written_n : std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
signal rcv_tag_updated_n : std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
signal rcv_page_validated_n : std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
-- }}}
-- Tag managers signals {{{
type st_tmanager_type is (idle, define_rcv_indx, check_tag_being_processed, invalidate_tag_v, invalidate_page_v, clear_tag_st, clear_dirty,
check_dirty, validate_new_tag, issue_write, read_tag, wait_write_finish, issue_read, wait_read_finish, validate_new_page, wait_page_v,
wait_a_little, wait_bid);
type st_tmanager_array is array (N_TAG_MANAGERS-1 downto 0) of st_tmanager_type;
type rcv_alloc_for_tmanager_type is array(N_TAG_MANAGERS-1 downto 0) of std_logic_vector(N_RECEIVERS/N_TAG_MANAGERS-1 downto 0);
signal st_tmanager, st_tmanager_n : st_tmanager_array := (others=>idle);
-- attribute mark_debug of st_tmanager : signal is "true";
signal tmanager_free, tmanager_free_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal rcv_alloc_tag_ltchd, rcv_alloc_tag_ltchd_n : rcv_alloc_for_tmanager_type := (others=>(others=>'0'));
signal tmanager_gmem_addr : gmem_addr_array_no_bank(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
signal tmanager_gmem_addr_n : gmem_addr_array_no_bank(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
-- attribute mark_debug of tmanager_gmem_addr : signal is "true";
type rcv_indx_tmanager_type is array (0 to N_TAG_MANAGERS-1) of natural range 0 to N_RECEIVERS-1;
signal rcv_indx_tmanager : rcv_indx_tmanager_type := (others=>0);
signal rcv_indx_tmanager_n : rcv_indx_tmanager_type := (others=>0);
signal tmanager_rcv_served : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_rcv_served_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal invalidate_tag, invalidate_tag_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of invalidate_tag : signal is "true";
signal invalidate_tag_ack : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal invalidate_page : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal invalidate_page_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of invalidate_page : signal is "true";
signal validate_page, validate_page_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of validate_page : signal is "true";
signal page_v_tmanager_ack : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal clear_tag_tmanager : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal clear_tag_tmanager_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of clear_tag_tmanager : signal is "true";
signal alloc_tag, alloc_tag_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of alloc_tag : signal is "true";
signal alloc_tag_ack : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_issue_write : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_issue_write : signal is "true";
signal tmanager_issue_write_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal wr_issued_tmanager : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal wr_issued_tmanager_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_busy, tmanager_busy_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_busy : signal is "true";
constant TAG_PROTECT_LEN : natural := 7;
-- # of clock cycles before a processed tag from a tag manager can be processed by another one
type tmanager_tag_protect_vec_type is array(natural range<>) of std_logic_vector(TAG_PROTECT_LEN-1 downto 0);
signal tmanager_tag_protect_vec : tmanager_tag_protect_vec_type(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
-- helps a tag manager to clear the protection of tag
signal tmanager_tag_protect_vec_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_tag_protect_v : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_tag_protect_v_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_tag_protect_v : signal is "true";
signal tmanager_tag_protect : tag_addr_array(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
-- attribute mark_debug of tmanager_tag_protect : signal is "true";
-- after a tag has been processed by a tag manager, it will be stored with this signal.
-- It is not allowed to process the tag again before TAG_PROTECT_LEN clock cycles
-- It helps to avoid frequent allocation/deallocation of the same tag (not necessary but improve the performance)
-- It helps to insure data consistency by using the B axi channel response to clear it (necessary if the kernel reads/writes the same address region)
signal tmanager_tag_protect_n : tag_addr_array(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
signal tmanager_gmem_addr_protected : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
constant RCV_SERVED_WIAT_LEN : natural := 2**(WRITE_PHASE_W+1);
type tmanager_rcv_served_wait_vec_type is array(natural range<>) of std_logic_vector(RCV_SERVED_WIAT_LEN-1 downto 0);
signal tmanager_rcv_served_wait_vec : tmanager_rcv_served_wait_vec_type(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
-- helps a tag manager to wait for some time before issuing a receiver that its write requested has been executed
signal tmanager_rcv_served_wait_vec_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_get_busy : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_get_busy : signal is "true";
signal tmanager_get_busy_ack : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_get_busy_ack : signal is "true";
constant wait_len : natural := 4;
type wait_vec_type is array (natural range <>) of std_logic_vector(wait_len-1 downto 0);
type wait_vec_invalidate_tag_type is array (natural range <>) of std_logic_vector(wait_len downto 0);
signal wait_vec : wait_vec_type(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
signal wait_vec_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal wait_vec_invalidate_tag : wait_vec_invalidate_tag_type(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
signal wait_vec_invalidate_tag_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal wait_done, wait_done_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of wait_done : signal is "true";
signal tmanager_read_tag : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_read_tag : signal is "true";
signal tmanager_read_tag_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_read_tag_ack_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_read_tag_ack : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_read_tag_ack_d0 : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_tag_to_write : tag_array(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
signal tmanager_clear_dirty : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_clear_dirty : signal is "true";
signal tmanager_clear_dirty_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_clear_dirty_ack_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_clear_dirty_ack : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_wait_for_fifo_empty : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_wait_for_fifo_empty_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
--}}}
-- dirty signals {{{
signal dirty : std_logic_vector(2**M-1 downto 0) := (others=>'0');
signal we_dirty, we_dirty_n : std_logic := '0';
signal wrData_dirty, wrData_dirty_n : std_logic := '0';
signal wrAddr_dirty, wrAddr_dirty_n : unsigned(M-1 downto 0) := (others=>'0');
signal rdAddr_dirty, rdAddr_dirty_n : tag_addr_array(N_TAG_MANAGERS-1 downto 0) := (others=>(others=>'0'));
signal rdData_dirty : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- }}}
-- axi signals {{{
type axi_intefrace is (find_free_fifo, issue_order);
type wr_fifo_indx_array is array (0 to N_TAG_MANAGERS-1) of natural range 0 to N_WR_FIFOS-1;
type axi_wr_channel_indx is array (0 to N_TAG_MANAGERS-1) of natural range 0 to N_AXI-1;
signal st_axi_wr, st_axi_wr_n : axi_intefrace := find_free_fifo;
signal axi_wrAddr_n : gmem_addr_array_no_bank(N_AXI-1 downto 0) := (others=>(others=>'0'));
signal axi_wr_indx_tmanager, axi_wr_indx_tmanager_n : axi_wr_channel_indx := (others=>0);
--}}}
-- final cache clean signals {{{
signal rcv_all_idle_vec : std_logic_vector(2 downto 0) := (others=>'0');
-- It is necessary to make sure that rcv_all_idle is stable for 3 clock cycles before cache cleaning at the end
signal finish_active, finish_active_n : std_logic := '0';
signal finish_tag_addr : unsigned(M-1 downto 0) := (others=>'0');
signal finish_tag_addr_n : unsigned(M-1 downto 0) := (others=>'0');
signal finish_tag_addr_d0 : unsigned(M-1 downto 0) := (others=>'0');
signal finish_tag_addr_d1 : unsigned(M-1 downto 0) := (others=>'0');
signal finish_we, finish_we_n : std_logic := '0';
signal rdData_tag_d0 : unsigned(TAG_W-1 downto 0) := (others=>'0');
signal finish_issue_write : std_logic := '0';
signal finish_issue_write_n : std_logic := '0';
signal finish_exec_masked : std_logic := '0';
signal finish_exec_masked_n : std_logic := '0';
type finish_fifo_type is array(natural range <>) of unsigned(TAG_W+M-1 downto 0);
signal finish_fifo : finish_fifo_type(2**FINISH_FIFO_ADDR_W-1 downto 0) := (others=>(others=>'0'));
signal finish_fifo_rdAddr : unsigned(FINISH_FIFO_ADDR_W-1 downto 0) := (others=>'0');
signal finish_fifo_wrAddr : unsigned(FINISH_FIFO_ADDR_W-1 downto 0) := (others=>'0');
signal finish_fifo_dout : unsigned(TAG_W+M-1 downto 0) := (others=>'0');
signal finish_fifo_pop, finish_fifo_push_n : std_logic := '0';
signal finish_fifo_push : std_logic_vector(1 downto 0) := (others=>'0');
type st_fill_finish_fifo_type is (idle1, idle2, pre_active, active, finish);
signal st_fill_finish_fifo, st_fill_finish_fifo_n : st_fill_finish_fifo_type := idle1;
signal finish_fifo_n_rqsts, finish_fifo_n_rqsts_n : integer range 0 to 2**FINISH_FIFO_ADDR_W := 0;
-- }}}
-- write pipeline signals {{{
signal write_pipe_contains_gmem_addr : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_waited_for_write_pipe : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal tmanager_waited_for_write_pipe_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
-- attribute mark_debug of tmanager_waited_for_write_pipe : signal is "true";
type st_finish_writer_type is (idle, issue, wait_fifo_dout);
signal st_finish_writer : st_finish_writer_type := idle;
signal st_finish_writer_n : st_finish_writer_type := idle;
--}}}
-- bvalid processing ------------------------------------------------------------------------------------{{{
signal write_response_rcvd : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal wait_for_write_response : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
signal wait_for_write_response_n : std_logic_vector(N_TAG_MANAGERS-1 downto 0) := (others=>'0');
---------------------------------------------------------------------------------------------------------}}}
begin
-- internal signals assignments -------------------------------------------------------------------------{{{
axi_wrAddr <= axi_wrAddr_i;
assert N_RD_FIFOS_TAG_MANAGER_W = 0 report "There must be a single rd fifo (from cache) for each tag manager. Otherwise b channel communcation fails!" severity failure;
rdData_tag <= rdData_tag_i;
---------------------------------------------------------------------------------------------------------}}}
-- error handling-------------------------------------------------------------------------------------------{{{
assert(N_TAG_MANAGERS = N_WR_FIFOS);
assert(N_RD_PORTS > 1);
-- assert(addra(7 downto 0) /= X"B7" or addra(8) /= '0' or wea(7 downto 4) /= "F");
---------------------------------------------------------------------------------------------------------}}}
-- finish FSM -------------------------------------------------------------------------------------------{{{
rcv_all_idle_vec(rcv_all_idle_vec'high) <= rcv_all_idle;
process(clk)
begin
if rising_edge(clk) then
-- pipes {{{
rcv_all_idle_vec(rcv_all_idle_vec'high-1 downto 0) <= rcv_all_idle_vec(rcv_all_idle_vec'high downto 1);
finish_tag_addr <= finish_tag_addr_n;
finish_tag_addr_d0 <= finish_tag_addr;
finish_tag_addr_d1 <= finish_tag_addr_d0;
-- }}}
-- set final finish signal {{{
finish_exec_masked <= finish_exec_masked_n;
finish_exec <= '0';
if finish_exec_masked = '1' then
if clean_cache = '1' then
if axi_writer_free = (axi_writer_free'reverse_range => '1') and axi_wvalid = (0 to N_AXI-1 =>'0') then
finish_exec <= '1';
end if;
else
finish_exec <= '1';
end if;
end if;
if start_kernel = '1' then
finish_exec <= '0';
end if;
-- }}}
finish_we <= finish_we_n;
finish_fifo_dout <= finish_fifo(to_integer(finish_fifo_rdAddr));
if finish_fifo_push(0) = '1' and rdData_dirty(0) = '1' then
finish_fifo(to_integer(finish_fifo_wrAddr)) <= rdData_tag_i(N_RD_PORTS-1) & finish_tag_addr_d1;
end if;
if nrst = '0' then
finish_active <= '0';
finish_issue_write <= '0';
st_fill_finish_fifo <= idle1;
finish_fifo_push <= (others=>'0');
finish_fifo_wrAddr <= (others=>'0');
finish_fifo_n_rqsts <= 0;
st_finish_writer <= idle;
finish_fifo_rdAddr <= (others=>'0');
else
finish_active <= finish_active_n;
finish_issue_write <= finish_issue_write_n;
st_fill_finish_fifo <= st_fill_finish_fifo_n;
finish_fifo_push(finish_fifo_push'high-1 downto 0) <= finish_fifo_push(finish_fifo_push'high downto 1);
finish_fifo_push(finish_fifo_push'high) <= finish_fifo_push_n;
if finish_fifo_push(0) = '1' and rdData_dirty(0) = '1' then
finish_fifo_wrAddr <= finish_fifo_wrAddr + 1;
end if;
st_finish_writer <= st_finish_writer_n;
if finish_fifo_pop = '1' then
finish_fifo_rdAddr <= finish_fifo_rdAddr + 1;
end if;
if finish_fifo_push(0) = '1' and rdData_dirty(0) = '1' and finish_fifo_pop = '0' then
finish_fifo_n_rqsts <= finish_fifo_n_rqsts + 1;
elsif (finish_fifo_push(0) = '0' or rdData_dirty(0) = '0') and finish_fifo_pop = '1' then
finish_fifo_n_rqsts <= finish_fifo_n_rqsts - 1;
end if;
end if;
end if;
end process;
process(st_finish_writer, finish_fifo_n_rqsts, finish_issue_write)
begin
st_finish_writer_n <= st_finish_writer;
finish_issue_write_n <= finish_issue_write;
case st_finish_writer is
when idle =>
if finish_fifo_n_rqsts /= 0 then
finish_issue_write_n <= '1';
st_finish_writer_n <= issue;
end if;
when issue =>
finish_issue_write_n <= '0';
st_finish_writer_n <= wait_fifo_dout;
when wait_fifo_dout =>
st_finish_writer_n <= idle;
end case;
end process;
process(st_fill_finish_fifo, finish_tag_addr, WGsDispatched, start_kernel, CUs_gmem_idle, rcv_all_idle_vec, finish_active,
finish_fifo_n_rqsts, clean_cache, atomic_can_finish)
begin
st_fill_finish_fifo_n <= st_fill_finish_fifo;
finish_tag_addr_n <= finish_tag_addr;
finish_active_n <= finish_active;
finish_fifo_push_n <= '0';
finish_we_n <= '0';
finish_exec_masked_n <= '0';
case st_fill_finish_fifo is
when idle1 =>
finish_tag_addr_n <= (others=>'0');
if WGsDispatched = '1' then
st_fill_finish_fifo_n <= idle2;
end if;
when idle2 =>
if CUs_gmem_idle = '1' and rcv_all_idle_vec = (rcv_all_idle_vec'reverse_range =>'1') and (ATOMIC_IMPLEMENT = 0 or atomic_can_finish = '1') then
if clean_cache = '0' then
st_fill_finish_fifo_n <= finish;
else
finish_active_n <= '1';
end if;
end if;
if finish_active = '1' then
st_fill_finish_fifo_n <= pre_active;
if STAT = 1 then
-- if kernel_name /= sum_half then
-- report "Finish begins";
-- end if;
end if;
end if;
when pre_active =>
finish_tag_addr_n <= finish_tag_addr + 1;
finish_fifo_push_n <= '1';
finish_we_n <= '1';
st_fill_finish_fifo_n <= active;
when active =>
if finish_fifo_n_rqsts < 2**FINISH_FIFO_ADDR_W-2 then
finish_tag_addr_n <= finish_tag_addr + 1;
finish_fifo_push_n <= '1';
finish_we_n <= '1';
end if;
if finish_tag_addr = (finish_tag_addr'reverse_range => '0') then
st_fill_finish_fifo_n <= finish;
end if;
when finish =>
finish_exec_masked_n <= '1';
if start_kernel = '1' then
st_fill_finish_fifo_n <= idle1;
finish_active_n <= '0';
finish_exec_masked_n <= '0';
end if;
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- write pipeline check --------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
write_pipe_contains_gmem_addr <= (others=>'0');
for i in 0 to N_TAG_MANAGERS-1 loop
for j in 0 to 4 loop
if (tmanager_gmem_addr(i)(M+L-1 downto L) = write_pipe_wrTag(j)) and (write_pipe_active(j) = '1') then
write_pipe_contains_gmem_addr(i) <= '1';
end if;
end loop;
end loop;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- tag managers -------------------------------------------------------------------------------------------{{{
trans: process(clk) -- {{{
begin
if rising_edge(clk) then
rcv_alloc_tag_ltchd <= rcv_alloc_tag_ltchd_n;
tmanager_gmem_addr <= tmanager_gmem_addr_n;
rcv_indx_tmanager <= rcv_indx_tmanager_n;
if WRITE_PHASE_W > 1 then
tmanager_rcv_served <= tmanager_rcv_served_n;
end if;
tmanager_get_busy_ack <= (others=>'0');
for i in 0 to N_TAG_MANAGERS-1 loop
if tmanager_get_busy(i) = '1' then
tmanager_get_busy_ack(i) <= '1';
exit;
end if;
end loop;
wr_fifo_go <= wr_fifo_go_n;
tmanager_tag_protect <= tmanager_tag_protect_n;
for i in 0 to N_TAG_MANAGERS-1 loop
tmanager_tag_protect_vec(i)(TAG_PROTECT_LEN-2 downto 0) <= tmanager_tag_protect_vec(i)(TAG_PROTECT_LEN-1 downto 1);
tmanager_tag_protect_vec(i)(TAG_PROTECT_LEN-1) <= tmanager_tag_protect_vec_n(i);
tmanager_rcv_served_wait_vec(i)(RCV_SERVED_WIAT_LEN-2 downto 0) <= tmanager_rcv_served_wait_vec(i)(RCV_SERVED_WIAT_LEN-1 downto 1);
tmanager_rcv_served_wait_vec(i)(RCV_SERVED_WIAT_LEN-1) <= tmanager_rcv_served_wait_vec_n(i);
end loop;
tmanager_gmem_addr_protected <= (others=>'0');
for i in 0 to N_TAG_MANAGERS-1 loop
for j in 0 to N_TAG_MANAGERS-1 loop
if j /= i then
if tmanager_tag_protect_v(j) = '1' and tmanager_gmem_addr(i)(M+L-1 downto L) = tmanager_tag_protect(j) then
tmanager_gmem_addr_protected(i) <= '1';
end if;
end if;
end loop;
end loop;
tmanager_tag_protect_v <= tmanager_tag_protect_v_n;
for i in N_TAG_MANAGERS-1 downto 0 loop
wait_vec(i)(wait_len-2 downto 0) <= wait_vec(i)(wait_len-1 downto 1);
wait_vec(i)(wait_len-1) <= wait_vec_n(i);
wait_vec_invalidate_tag(i)(wait_len-1 downto 0) <= wait_vec_invalidate_tag(i)(wait_len downto 1);
wait_vec_invalidate_tag(i)(wait_len) <= wait_vec_invalidate_tag_n(i);
if tmanager_read_tag_ack_d0(i) = '1' then
tmanager_tag_to_write(i) <= rdData_tag_i(N_RD_PORTS-1);
end if;
end loop;
if nrst = '0' then
st_tmanager <= (others=>idle);
tmanager_free <= (others=>'0');
invalidate_tag <= (others=>'0');
invalidate_page <= (others=>'0');
validate_page <= (others=>'0');
clear_tag_tmanager <= (others=>'0');
tmanager_issue_write <= (others=>'0');
tmanager_busy <= (others=>'0');
alloc_tag <= (others=>'0');
tmanager_read_tag <= (others=>'0');
tmanager_clear_dirty <= (others=>'0');
wait_done <= (others=>'0');
tmanager_wait_for_fifo_empty <= (others=>'0');
tmanager_waited_for_write_pipe <= (others=>'0');
else
st_tmanager <= st_tmanager_n;
tmanager_free <= tmanager_free_n;
invalidate_tag <= invalidate_tag_n;
invalidate_page <= invalidate_page_n;
validate_page <= validate_page_n;
clear_tag_tmanager <= clear_tag_tmanager_n;
tmanager_issue_write <= tmanager_issue_write_n;
tmanager_busy <= tmanager_busy_n;
alloc_tag <= alloc_tag_n;
tmanager_read_tag <= tmanager_read_tag_n;
tmanager_clear_dirty <= tmanager_clear_dirty_n;
wait_done <= wait_done_n;
tmanager_wait_for_fifo_empty <= tmanager_wait_for_fifo_empty_n;
tmanager_waited_for_write_pipe <= tmanager_waited_for_write_pipe_n;
end if;
end if;
end process; --}}}
tmanagers: for i in 0 to N_TAG_MANAGERS-1 generate
process(st_tmanager(i), tmanager_free(i), rcv_alloc_tag, tmanager_gmem_addr, rcv_alloc_tag_ltchd, rcv_indx_tmanager(i), rcv_gmem_addr, -- {{{
tmanager_tag_protect_v, invalidate_tag(i), invalidate_tag_ack(i), clear_tag_tmanager(i), rdData_dirty(i), tmanager_issue_write(i),
tmanager_tag_protect, rcv_idle, axi_wr_indx_tmanager(i), wr_issued_tmanager(i), wr_fifo_free(i), wait_done(i), tmanager_waited_for_write_pipe(i),
tmanager_rcv_served(i), tmanager_rcv_served_wait_vec(i)(0), page_v_tmanager_ack(i), invalidate_page(i), alloc_tag_ack(i), validate_page(i),
tmanager_busy(i), tmanager_get_busy_ack(i), tmanager_tag_protect_vec(i), rcv_rnw, wait_vec(i)(0), wait_vec_invalidate_tag(i)(0),
tmanager_read_tag(i), tmanager_read_tag_ack_d0(i), axi_rd_fifo_filled, tmanager_clear_dirty(i), alloc_tag(i), tmanager_read_tag_ack_n(i),
tmanager_clear_dirty_ack(i), write_pipe_contains_gmem_addr(i), tmanager_wait_for_fifo_empty(i), tmanager_gmem_addr_protected(i),
tmanager_tag_to_write(i), wait_for_write_response(i))
-- }}}
begin
-- next initialization {{{
st_tmanager_n(i) <= st_tmanager(i);
tmanager_free_n(i) <= tmanager_free(i);
rcv_alloc_tag_ltchd_n(i) <= rcv_alloc_tag_ltchd(i);
tmanager_gmem_addr_n(i) <= tmanager_gmem_addr(i);
rcv_indx_tmanager_n(i) <= rcv_indx_tmanager(i);
invalidate_tag_n(i) <= invalidate_tag(i);
invalidate_page_n(i) <= invalidate_page(i);
validate_page_n(i) <= validate_page(i);
clear_tag_tmanager_n(i) <= clear_tag_tmanager(i);
tmanager_issue_write_n(i) <= tmanager_issue_write(i);
tmanager_busy_n(i) <= tmanager_busy(i);
tmanager_get_busy(i) <= '0';
alloc_tag_n(i) <= alloc_tag(i);
wait_vec_n(i) <= '0';
wait_vec_invalidate_tag_n(i) <= '0';
tmanager_read_tag_n(i) <= tmanager_read_tag(i);
tmanager_clear_dirty_n(i) <= tmanager_clear_dirty(i);
wait_done_n(i) <= wait_done(i);
tmanager_wait_for_fifo_empty_n(i) <= tmanager_wait_for_fifo_empty(i);
tmanager_waited_for_write_pipe_n(i) <= tmanager_waited_for_write_pipe(i);
if tmanager_tag_protect_vec(i)(0) = '1' then
tmanager_tag_protect_v_n(i) <= '0';
else
tmanager_tag_protect_v_n(i) <= tmanager_tag_protect_v(i);
end if;
if WRITE_PHASE_W > 1 then
tmanager_rcv_served_n(i) <= tmanager_rcv_served(i);
if rcv_idle(rcv_indx_tmanager(i)) = '1' or tmanager_rcv_served_wait_vec(i)(0) = '1' then
tmanager_rcv_served_n(i) <= '1';
end if;
end if;
tmanager_tag_protect_n(i) <= tmanager_tag_protect(i);
tmanager_tag_protect_vec_n(i) <= '0';
tmanager_rcv_served_wait_vec_n(i) <= '0';
wr_fifo_go_n(i) <= '0';
-- }}}
case st_tmanager(i) is
when idle => -- {{{
tmanager_waited_for_write_pipe_n(i) <= '0';
rcv_alloc_tag_ltchd_n(i) <= rcv_alloc_tag((i+1)*N_RECEIVERS/N_TAG_MANAGERS-1 downto i*N_RECEIVERS/N_TAG_MANAGERS);
if tmanager_rcv_served(i) = '1' or WRITE_PHASE_W = 1 then
if rcv_alloc_tag((i+1)*N_RECEIVERS/N_TAG_MANAGERS-1 downto i*N_RECEIVERS/N_TAG_MANAGERS) /= (0 to N_RECEIVERS/N_TAG_MANAGERS-1 =>'0') then
st_tmanager_n(i) <= define_rcv_indx;
end if;
end if;
-- }}}
when define_rcv_indx => -- {{{
st_tmanager_n(i) <= idle; -- in case rcv_alloc_tag_ltchd are all zeros
for j in 0 to N_RECEIVERS/N_TAG_MANAGERS-1 loop
if rcv_alloc_tag_ltchd(i)(j) = '1' and rcv_alloc_tag(i*N_RECEIVERS/N_TAG_MANAGERS+j) = '1' then
-- rcv_alloc_tag must be checked because it may be deasserted while rcv_alloc_tag_latched is still asserted
rcv_indx_tmanager_n(i) <= j+ i*N_RECEIVERS/N_TAG_MANAGERS;
rcv_alloc_tag_ltchd_n(i)(j) <= '0';
tmanager_gmem_addr_n(i) <= rcv_gmem_addr(j+ i*N_RECEIVERS/N_TAG_MANAGERS)(GMEM_WORD_ADDR_W-1 downto N);
st_tmanager_n(i) <= check_tag_being_processed;
exit;
end if;
end loop;
-- }}}
when check_tag_being_processed => --check if the corresponding cache addr is being processed by another tmanager {{{
-- if an address of the requested tag is already in the write pipeline; the FSM should go and try to pick up a new alloc request
-- Otherwise it may stay in this state, as long as no anther tmanager is processing the tag and the alloc request deasserted, e.g. another tmanager allocated the tag
-- Processing a no more requested tag may lead to the following problem:
-- a rcv wants to write, a tmanager thinks wrongly that somebody wants to read the address,
-- as soon as the tag is allocated, the rcv may write and the data may be overwritten!
tmanager_get_busy(i) <= '1';
if tmanager_get_busy_ack(i) = '1' then
if write_pipe_contains_gmem_addr(i) = '0' and tmanager_gmem_addr_protected(i) = '0' then
-- tmanager_gmem_addr_protected has a delay of 1 clock cycle
invalidate_tag_n(i) <= '1';
st_tmanager_n(i) <= invalidate_tag_v;
tmanager_busy_n(i) <= '1';
tmanager_tag_protect_v_n(i) <= '1';
tmanager_tag_protect_n(i) <= tmanager_gmem_addr(i)(M+L-1 downto L);
else
st_tmanager_n(i) <= define_rcv_indx;
tmanager_get_busy(i) <= '0';
end if;
end if;
for j in 0 to N_TAG_MANAGERS-1 loop
if j /= i then
if (tmanager_busy(j) = '1' and tmanager_gmem_addr(i)(M+L-1 downto L) = tmanager_gmem_addr(j)(M+L-1 downto L)) then
-- (tmanager_gmem_addr_protected(i) = '1' and tmanager_get_busy_ack(i) = '1') then
-- (tmanager_tag_protect_v(j) = '1' and tmanager_gmem_addr(i)(M+N+L-1 downto L+N) = tmanager_tag_protect(j)) then
tmanager_get_busy(i) <= '0';
tmanager_busy_n(i) <= '0';
tmanager_tag_protect_v_n(i) <= '0';
invalidate_tag_n(i) <= '0';
st_tmanager_n(i) <= define_rcv_indx;
end if;
end if;
end loop;
-- }}}
when invalidate_tag_v => -- {{{
-- if tmanager_tag_protect_vec(i)(0) = '1' then
-- report "heeeere" severity failure;
-- end if;
-- tmanager_tag_protect_v_n(i) <= '1';
-- tmanager_tag_protect_n(i) <= tmanager_gmem_addr(i)(M+N+L-1 downto N+L);
if WRITE_PHASE_W > 1 then
tmanager_rcv_served_n(i) <= '0';
end if;
if invalidate_tag_ack(i) = '1' then
invalidate_tag_n(i) <= '0';
st_tmanager_n(i) <= clear_tag_st;
clear_tag_tmanager_n(i) <= '1';
alloc_tag_n(i) <= '1';
end if;
-- }}}
when clear_tag_st => -- {{{
if alloc_tag_ack(i) = '1' then
clear_tag_tmanager_n(i) <= '0';
alloc_tag_n(i) <= '0';
st_tmanager_n(i) <= invalidate_page_v;
invalidate_page_n(i) <= '1';
end if;
-- }}}
when invalidate_page_v => -- {{{
if page_v_tmanager_ack(i) = '1' then
invalidate_page_n(i) <= '0';
st_tmanager_n(i) <= check_dirty;
wait_vec_invalidate_tag_n(i) <= '1';
if write_pipe_contains_gmem_addr(i) = '1' then
tmanager_waited_for_write_pipe_n(i) <= '1';
end if;
end if;
-- }}}
when check_dirty => -- {{{
if write_pipe_contains_gmem_addr(i) = '1' then
tmanager_waited_for_write_pipe_n(i) <= '1';
if wait_vec_invalidate_tag(i)(0) = '1' then
wait_done_n(i) <= '1';
end if;
else
wait_done_n(i) <= '0';
if wait_vec_invalidate_tag(i)(0) = '1' or wait_done(i) = '1' then
if tmanager_waited_for_write_pipe(i) = '1' or rdData_dirty(i) = '1' then
st_tmanager_n(i) <= read_tag;
tmanager_read_tag_n(i) <= '1';
tmanager_clear_dirty_n(i) <= '1';
else
-- -
-- st_tmanager_n(i) <= validate_new_tag;
-- alloc_tag_n(i) <= '1';
-- -
-- +
-- Populating the cache line with the new content should be done before validating the new tag
-- Otherwise, some receivers may write the cache directly after tag validation and the written data will
-- be overwritten by the one from the global memory
-- Therefore, issue_read -> validate_tag -> validate_page
if rcv_rnw(rcv_indx_tmanager(i)) = '1' then
st_tmanager_n(i) <= issue_read;
wr_fifo_go_n(i) <= '1';
else
st_tmanager_n(i) <= validate_new_tag;
alloc_tag_n(i) <= '1';
end if;
-- +
end if;
end if;
end if;
-- }}}
when validate_new_tag => -- {{{
if alloc_tag_ack(i) = '1' then
alloc_tag_n(i) <= '0';
-- -
-- if rcv_rnw(rcv_indx_tmanager(i)) = '1' then
-- st_tmanager_n(i) <= issue_read;
-- wr_fifo_go_n(i) <= '1';
-- else
-- st_tmanager_n(i) <= wait_a_little;
-- wait_vec_n(i) <= '1';
-- end if;
-- -
-- +
if rcv_rnw(rcv_indx_tmanager(i)) = '1' then
st_tmanager_n(i) <= validate_new_page;
validate_page_n(i) <= '1';
else
st_tmanager_n(i) <= wait_a_little;
wait_vec_n(i) <= '1';
end if;
-- +
end if;
-- }}}
when wait_a_little => --necessary because rcv_alloc_tag does not react immediately in case of validating a tag for a write {{{
-- tmanager_tag_protect_v_n(i) <= '1'; -- setting tag protect should be done 2 cycles before going to idle
-- tmanager_tag_protect_n(i) <= tmanager_gmem_addr(i)(M+N+L-1 downto N+L);
if wait_vec(i)(0) = '1' then
st_tmanager_n(i) <= idle;
tmanager_busy_n(i) <= '0';
tmanager_tag_protect_vec_n(i) <= '1';
tmanager_rcv_served_wait_vec_n(i) <= '1';
end if;
-- }}}
when read_tag => -- {{{
-- report "tag read by tmanager";
tmanager_waited_for_write_pipe_n(i) <= '0';
if tmanager_read_tag_ack_d0(i) = '1' then
st_tmanager_n(i) <= issue_write;
tmanager_issue_write_n(i) <= '1';
end if;
-- }}}
when issue_write => -- {{{
-- report "write issued";
if wr_issued_tmanager(i) = '1' then
st_tmanager_n(i) <= wait_write_finish;
tmanager_issue_write_n(i) <= '0';
end if;
-- }}}
when wait_write_finish => -- {{{
if axi_rd_fifo_filled(axi_wr_indx_tmanager(i)) = '1' then
if tmanager_tag_to_write(i) = tmanager_gmem_addr(i)(TAG_W+M+L-1 downto M+L) then
-- the tag to read is the same dirty one!
-- the tmanager should wait until the write transaction is completely finished
-- otherwise data may become inconsistent
st_tmanager_n(i) <= wait_bid;
-- report "match";
elsif tmanager_clear_dirty(i) = '1' then
st_tmanager_n(i) <= clear_dirty;
else
-- -
-- st_tmanager_n(i) <= validate_new_tag;
-- alloc_tag_n(i) <= '1';
-- -
-- +
if rcv_rnw(rcv_indx_tmanager(i)) = '1' then
st_tmanager_n(i) <= issue_read;
wr_fifo_go_n(i) <= '1';
else
st_tmanager_n(i) <= validate_new_tag;
alloc_tag_n(i) <= '1';
end if;
-- +
end if;
end if;
-- }}}
when wait_bid => -- {{{
if wait_for_write_response(i) = '0' then
if tmanager_clear_dirty(i) = '1' then
st_tmanager_n(i) <= clear_dirty;
else
-- -
-- st_tmanager_n(i) <= validate_new_tag;
-- alloc_tag_n(i) <= '1';
-- -
-- +
if rcv_rnw(rcv_indx_tmanager(i)) = '1' then
st_tmanager_n(i) <= issue_read;
wr_fifo_go_n(i) <= '1';
else
st_tmanager_n(i) <= validate_new_tag;
alloc_tag_n(i) <= '1';
end if;
-- +
end if;
end if;
-- }}}
when clear_dirty => -- {{{
if tmanager_clear_dirty(i) = '0' then
-- -
-- st_tmanager_n(i) <= validate_new_tag;
-- alloc_tag_n(i) <= '1';
-- -
-- +
if rcv_rnw(rcv_indx_tmanager(i)) = '1' then
st_tmanager_n(i) <= issue_read;
wr_fifo_go_n(i) <= '1';
else
st_tmanager_n(i) <= validate_new_tag;
alloc_tag_n(i) <= '1';
end if;
-- +
end if;
-- }}}
when issue_read => -- {{{
st_tmanager_n(i) <= wait_read_finish;
-- }}}
when wait_read_finish => -- {{{
if wr_fifo_free(i) = '1' then
-- -
-- st_tmanager_n(i) <= validate_new_page;
-- validate_page_n(i) <= '1';
-- -
-- +
st_tmanager_n(i) <= validate_new_tag;
alloc_tag_n(i) <= '1';
-- +
end if;
--}}}
when validate_new_page => -- {{{
-- tmanager_wait_for_fifo_empty_n(i) <= '0';
-- tmanager_tag_protect_v_n(i) <= '1'; -- setting tag protect should be done 2 cycles before going to idle
-- tmanager_tag_protect_n(i) <= tmanager_gmem_addr(i)(M+L-1 downto L);
if page_v_tmanager_ack(i) = '1' then
validate_page_n(i) <= '0';
st_tmanager_n(i) <= wait_page_v;
end if;
-- }}}
when wait_page_v => -- {{{
st_tmanager_n(i) <= idle;
tmanager_busy_n(i) <= '0';
tmanager_tag_protect_vec_n(i) <= '1';
tmanager_rcv_served_wait_vec_n(i) <= '1';
-- }}}
end case;
if tmanager_read_tag_ack_n(i) = '1' then
tmanager_read_tag_n(i) <= '0';
end if;
if tmanager_clear_dirty_ack(i) = '1' then
tmanager_clear_dirty_n(i) <= '0';
end if;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- tag mem -------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
clear_tag <= clear_tag_n;
we_tag <= we_tag_n;
tmanager_read_tag_ack <= tmanager_read_tag_ack_n;
tmanager_read_tag_ack_d0 <= tmanager_read_tag_ack;
wrData_tag <= wrData_tag_n;
wrAddr_tag <= wrAddr_tag_n;
rdAddr_tag <= rdAddr_tag_n;
rdData_tag_d0 <= rdData_tag_i(N_RD_PORTS-1);
end if;
end process;
process(clk)
begin
if rising_edge(clk) then
if we_tag = '1' then
tag(to_integer(wrAddr_tag)) <= wrData_tag;
end if;
for i in 0 to N_RD_PORTS-1 loop
rdData_tag_i(i) <= tag(to_integer(rdAddr_tag(i)));
end loop;
end if;
end process;
process(tmanager_gmem_addr, alloc_tag, clear_tag_tmanager, rcv_read_tag, rcv_gmem_addr, tmanager_read_tag, finish_active, finish_tag_addr)
begin
-- write tag
alloc_tag_ack <= (others=>'0');
we_tag_n <= '0';
wrData_tag_n <= tmanager_gmem_addr(0)(GMEM_WORD_ADDR_W-N-1 downto L+M);
wrAddr_tag_n <= tmanager_gmem_addr(0)(M+L-1 downto L);
clear_tag_n <= '0';
for i in 0 to N_TAG_MANAGERS-1 loop -- linked with we_tag_v, don't change the order of the loop
if alloc_tag(i) = '1' then
alloc_tag_ack(i) <= '1';
we_tag_n <= not clear_tag_tmanager(i);
clear_tag_n <= clear_tag_tmanager(i);
wrData_tag_n <= tmanager_gmem_addr(i)(GMEM_WORD_ADDR_W-N-1 downto L+M);
wrAddr_tag_n <= tmanager_gmem_addr(i)(M+L-1 downto L);
exit;
end if;
end loop;
-- read tag
rcv_read_tag_ack <= (others=>'0');
-- first ports (default 3) serve the receivers
for i in 0 to N_RD_PORTS-2 loop
rdAddr_tag_n(i) <= rcv_gmem_addr(0)(L+M+N-1 downto L+N);
for j in 0 to (N_RECEIVERS/N_RD_PORTS)-1 loop
if rcv_read_tag(i + j*N_RD_PORTS) = '1' then
rdAddr_tag_n(i) <= rcv_gmem_addr(i + j*N_RD_PORTS)(L+M+N-1 downto L+N);
rcv_read_tag_ack(i + j*N_RD_PORTS) <= '1';
exit;
end if;
end loop;
end loop;
-- the last read port serves the tmanagers in addition to the receivers
rdAddr_tag_n(N_RD_PORTS-1) <= rcv_gmem_addr(0)(L+M+N-1 downto L+N);
tmanager_read_tag_ack_n <= (others=>'0');
if finish_active = '1' then
rdAddr_tag_n(N_RD_PORTS-1) <= finish_tag_addr;
elsif tmanager_read_tag /= (tmanager_read_tag'reverse_range=>'0') then
for j in 0 to N_TAG_MANAGERS-1 loop
if tmanager_read_tag(j) = '1' then
rdAddr_tag_n(N_RD_PORTS-1) <= tmanager_gmem_addr(j)(L+M-1 downto L);
tmanager_read_tag_ack_n(j) <= '1';
exit;
end if;
end loop;
else
for j in 0 to (N_RECEIVERS/N_RD_PORTS)-1 loop
if rcv_read_tag(N_RD_PORTS-1 + j*N_RD_PORTS) = '1' then
rdAddr_tag_n(N_RD_PORTS-1) <= rcv_gmem_addr(N_RD_PORTS-1 + j*N_RD_PORTS)(L+M+N-1 downto L+N);
rcv_read_tag_ack(N_RD_PORTS-1 + j*N_RD_PORTS) <= '1';
exit;
end if;
end loop;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- tag_valid -------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
we_tag_v <= we_tag_v_n;
wrAddr_tag_v <= wrAddr_tag_v_n;
wrData_tag_v <= wrData_tag_v_n;
end if;
end process;
process(clk)
begin
if rising_edge(clk) then
for i in 0 to N_RD_PORTS-1 loop
rdData_tag_v(i) <= tag_v(to_integer(rdAddr_tag(i)));
end loop;
if we_tag_v = '1' then
tag_v(to_integer(wrAddr_tag_v)) <= wrData_tag_v;
end if;
end if;
end process;
process(invalidate_tag, tmanager_gmem_addr, alloc_tag, clear_tag_tmanager, finish_active, finish_tag_addr_d0, finish_we)
begin
invalidate_tag_ack <= (others=>'0');
we_tag_v_n <= '0';
wrData_tag_v_n <= '0';
wrAddr_tag_v_n <= tmanager_gmem_addr(0)(M+L-1 downto L);
if finish_active = '0' then
if (alloc_tag and not clear_tag_tmanager) = (alloc_tag'reverse_range=>'0') then
for i in 0 to N_TAG_MANAGERS-1 loop
if invalidate_tag(i) = '1' then
invalidate_tag_ack(i) <= '1';
we_tag_v_n <= '1';
wrData_tag_v_n <= '0';
wrAddr_tag_v_n <= tmanager_gmem_addr(i)(M+L-1 downto L);
exit;
end if;
end loop;
else
-- this write has priority and it happes at the same time a tag is written
for i in 0 to N_TAG_MANAGERS-1 loop
if alloc_tag(i) = '1' then
if clear_tag_tmanager(i) = '0' then
we_tag_v_n <= '1';
wrAddr_tag_v_n <= tmanager_gmem_addr(i)(M+L-1 downto L);
wrData_tag_v_n <= '1';
end if;
exit;
end if;
end loop;
end if;
else
we_tag_v_n <= finish_we;
wrAddr_tag_v_n <= finish_tag_addr_d0;
wrData_tag_v_n <= '0';
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- dirty mem -------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
-- dirty memory
for i in 0 to N_TAG_MANAGERS-1 loop
rdData_dirty(i) <= dirty(to_integer(rdAddr_dirty(i)));
end loop;
if we_dirty = '1' then
dirty(to_integer(wrAddr_dirty)) <= wrData_dirty;
end if;
end if;
end process;
process(clk)
begin
if rising_edge(clk) then
we_dirty <= we_dirty_n;
tmanager_clear_dirty_ack <= tmanager_clear_dirty_ack_n;
if finish_active = '0' then
rdAddr_dirty(0) <= tmanager_gmem_addr(0)(M+L-1 downto L);
else
rdAddr_dirty(0) <= finish_tag_addr;
end if;
if N_TAG_MANAGERS > 1 then
for i in 1 to max(N_TAG_MANAGERS-1,1) loop
rdAddr_dirty(i) <= tmanager_gmem_addr(i)(M+L-1 downto L);
end loop;
end if;
wrData_dirty <= wrData_dirty_n;
wrAddr_dirty <= wrAddr_dirty_n;
end if;
end process;
process(cache_we, cache_addra, finish_active, finish_we, tmanager_clear_dirty, tmanager_gmem_addr, finish_tag_addr_d0)
begin
wrAddr_dirty_n <= cache_addra(M+L-1 downto L);
tmanager_clear_dirty_ack_n <= (others=>'0');
if cache_we = '1' then
wrData_dirty_n <= '1';
we_dirty_n <= '1';
elsif finish_active = '0' then
wrData_dirty_n <= '0';
we_dirty_n <= '0';
for i in 0 to N_TAG_MANAGERS-1 loop
if tmanager_clear_dirty(i) = '1' then
tmanager_clear_dirty_ack_n(i) <= '1';
we_dirty_n <= '1';
wrAddr_dirty_n <= tmanager_gmem_addr(i)(M+L-1 downto L);
exit;
end if;
end loop;
else
wrData_dirty_n <= '0';
we_dirty_n <= finish_we;
wrAddr_dirty_n <= finish_tag_addr_d0;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- axi channels control -------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
axi_wr_indx_tmanager <= axi_wr_indx_tmanager_n;
wr_issued_tmanager <= wr_issued_tmanager_n;
axi_wrAddr_i <= axi_wrAddr_n;
axi_writer_go <= axi_writer_go_n;
axi_writer_id <= axi_writer_id_n;
for j in 0 to N_WR_FIFOS-1 loop
axi_rdAddr(j)(L-1 downto 0) <= (others=>'0');
axi_rdAddr(j)(GMEM_WORD_ADDR_W-N-1 downto L) <= tmanager_gmem_addr(j)(GMEM_WORD_ADDR_W-N-1 downto L);
end loop;
if nrst = '0' then
st_axi_wr <= find_free_fifo;
wait_for_write_response <= (others=>'0');
else
st_axi_wr <= st_axi_wr_n;
wait_for_write_response <= wait_for_write_response_n;
end if;
end if;
end process;
issue_wr_axi: process(st_axi_wr, tmanager_issue_write, axi_writer_free, axi_wrAddr_i, tmanager_gmem_addr, tmanager_tag_to_write,
finish_issue_write, axi_wr_indx_tmanager, finish_fifo_dout, wait_for_write_response, axi_writer_ack)
begin
axi_wr_indx_tmanager_n <= axi_wr_indx_tmanager;
wr_issued_tmanager_n <= (others=>'0');
st_axi_wr_n <= st_axi_wr;
for j in 0 to N_AXI-1 loop
axi_wrAddr_n(j) <= axi_wrAddr_i(j);
end loop;
axi_writer_go_n <= (others=>'0');
axi_writer_id_n <= (others=>'0');
finish_fifo_pop <= '0';
for i in 0 to N_TAG_MANAGERS-1 loop
if axi_writer_ack(i) = '1' then
wait_for_write_response_n(i) <= '0';
else
wait_for_write_response_n(i) <= wait_for_write_response(i);
end if;
end loop;
case st_axi_wr is
when find_free_fifo =>
for i in 0 to N_TAG_MANAGERS-1 loop
if tmanager_issue_write(i) = '1' and axi_writer_free(c_rd_fifo_axi(i)) = '1' and wait_for_write_response(i) = '0' then
axi_wr_indx_tmanager_n(i) <= c_rd_fifo_axi(i);
wr_issued_tmanager_n(i) <= '1';
wait_for_write_response_n(i) <= '1';
axi_wrAddr_n(c_rd_fifo_axi(i))(GMEM_WORD_ADDR_W-N-1 downto L) <= tmanager_tag_to_write(i) & tmanager_gmem_addr(i)(M+L-1 downto L);
-- if tmanager_tag_to_write(i) = tmanager_gmem_addr(i)(TAG_W+M+L-1 downto M+L) then
-- report "match";
-- end if;
axi_writer_go_n(c_rd_fifo_axi(i)) <= '1';
axi_writer_id_n <= std_logic_vector(to_unsigned(i, N_TAG_MANAGERS_W));
st_axi_wr_n <= issue_order;
exit;
end if;
end loop;
if finish_issue_write = '1' then
for j in 0 to N_AXI-1 loop
if axi_writer_free(j) = '1' then
finish_fifo_pop <= '1';
axi_wrAddr_n(j)(GMEM_WORD_ADDR_W-N-1 downto L) <= finish_fifo_dout;
axi_writer_go_n(j) <= '1';
st_axi_wr_n <= issue_order;
exit;
end if;
end loop;
end if;
when issue_order => -- just a wait state
st_axi_wr_n <= find_free_fifo;
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- page_valid ------------------------------------------------------------------------------------------- {{{
process(clk)
begin
if rising_edge(clk) then
wrAddr_page_v <= wrAddr_page_v_n;
wrData_page_v <= wrData_page_v_n;
we_page_v <= we_page_v_n;
end if;
end process;
process(clk)
begin
if rising_edge(clk) then
if we_page_v = '1' then
page_v(to_integer(wrAddr_page_v)) <= wrData_page_v;
end if;
for i in 0 to N_RD_PORTS-1 loop
rdData_page_v(i) <= page_v(to_integer(rdAddr_tag(i)));
end loop;
end if;
end process;
process(invalidate_page, validate_page, tmanager_gmem_addr, finish_active, finish_tag_addr_d0, finish_we)
begin
page_v_tmanager_ack <= (others=>'0');
we_page_v_n <= '0';
wrData_page_v_n <= '0';
wrAddr_page_v_n <= tmanager_gmem_addr(0)(M+L-1 downto L);
for i in 0 to N_TAG_MANAGERS-1 loop
if invalidate_page(i) = '1' then
page_v_tmanager_ack(i) <= '1';
we_page_v_n <= '1';
wrData_page_v_n <= '0';
wrAddr_page_v_n <= tmanager_gmem_addr(i)(M+L-1 downto L);
exit;
end if;
if validate_page(i) = '1' then
page_v_tmanager_ack(i) <= '1';
we_page_v_n <= '1';
wrData_page_v_n <= '1';
wrAddr_page_v_n <= tmanager_gmem_addr(i)(M+L-1 downto L);
exit;
end if;
end loop;
if finish_active = '1' then
we_page_v_n <= finish_we;
wrData_page_v_n <= '0';
wrAddr_page_v_n <= finish_tag_addr_d0;
end if;
end process;
--------------------------------------------------------------------------------------------------------- }}}
-- rcv status eraly update -----------------------------------------------------------------------------------{{{
tag_trans: process(clk)
begin
if rising_edge(clk) then
rcv_tag_written <= rcv_tag_written_n;
rcv_tag_updated <= rcv_tag_updated_n;
rcv_page_validated <= rcv_page_validated_n;
end if;
end process;
process(we_page_v, rcv_gmem_addr, wrAddr_page_v, wrData_page_v)
begin
rcv_page_validated_n <= (others=>'0');
if we_page_v = '1' and wrData_page_v = '1' then
for i in 0 to N_RECEIVERS-1 loop
if rcv_gmem_addr(i)(M+L+N-1 downto N+L) = wrAddr_page_v then
rcv_page_validated_n(i) <= '1';
end if;
end loop;
end if;
-- for i in 0 to N_TAG_MANAGERS-1 loop
-- if validate_page(i) = '1' then
-- rcv_page_validated_n((i+1)*N_RECEIVERS/N_TAG_MANAGERS-1 downto i*N_RECEIVERS/N_TAG_MANAGERS) <= (others=>'1');
-- end if;
-- end loop;
end process;
process(rcv_gmem_addr, wrAddr_tag, we_tag, wrData_tag, clear_tag)
variable wrData_compared: std_logic := '0';
begin
for i in 0 to N_RECEIVERS-1 loop
if rcv_gmem_addr(i)(GMEM_WORD_ADDR_W-1 downto L+M+N) = wrData_tag then
wrData_compared := '1';
else
wrData_compared := '0';
end if;
rcv_tag_written_n(i) <= '0';
rcv_tag_updated_n(i) <= '0';
if rcv_gmem_addr(i)(L+M+N-1 downto L+N) = wrAddr_tag then
if we_tag = '1' and wrData_compared = '1' then
rcv_tag_written_n(i) <= '1';
end if;
if clear_tag = '1' or (we_tag = '1' and wrData_compared = '0') then
rcv_tag_updated_n(i) <= '1';
end if;
end if;
end loop;
end process;
---------------------------------------------------------------------------------------------------------}}}
end architecture;
| gpl-3.0 | d7ad03f8bc1b5e86c207f04514c00d70 | 0.535892 | 3.321182 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_fadd_fslt_2AXI_4CACHE_WORDS.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 2;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 0;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 1;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | d5730168d4285270a67fec42f00dcb43 | 0.567707 | 3.729005 | false | false | false | false |
malkadi/FGPU | RTL/floating_point/fsqrt.vhd | 1 | 10,200 | -- (c) Copyright 1995-2016 Xilinx, Inc. All rights reserved.
--
-- This file contains confidential and proprietary information
-- of Xilinx, Inc. and is protected under U.S. and
-- international copyright and other intellectual property
-- laws.
--
-- DISCLAIMER
-- This disclaimer is not a license and does not grant any
-- rights to the materials distributed herewith. Except as
-- otherwise provided in a valid license issued to you by
-- Xilinx, and to the maximum extent permitted by applicable
-- law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND
-- WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES
-- AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING
-- BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NON-
-- INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and
-- (2) Xilinx shall not be liable (whether in contract or tort,
-- including negligence, or under any other theory of
-- liability) for any loss or damage of any kind or nature
-- related to, arising under or in connection with these
-- materials, including for any direct, or any indirect,
-- special, incidental, or consequential loss or damage
-- (including loss of data, profits, goodwill, or any type of
-- loss or damage suffered as a result of any action brought
-- by a third party) even if such damage or loss was
-- reasonably foreseeable or Xilinx had been advised of the
-- possibility of the same.
--
-- CRITICAL APPLICATIONS
-- Xilinx products are not designed or intended to be fail-
-- safe, or for use in any application requiring fail-safe
-- performance, such as life-support or safety devices or
-- systems, Class III medical devices, nuclear facilities,
-- applications related to the deployment of airbags, or any
-- other applications that could lead to death, personal
-- injury, or severe property or environmental damage
-- (individually and collectively, "Critical
-- Applications"). Customer assumes the sole risk and
-- liability of any use of Xilinx products in Critical
-- Applications, subject only to applicable laws and
-- regulations governing limitations on product liability.
--
-- THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS
-- PART OF THIS FILE AT ALL TIMES.
--
-- DO NOT MODIFY THIS FILE.
-- IP VLNV: xilinx.com:ip:floating_point:7.1
-- IP Revision: 2
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
LIBRARY floating_point_v7_1_2;
USE floating_point_v7_1_2.floating_point_v7_1_2;
ENTITY fsqrt IS
PORT (
aclk : IN STD_LOGIC;
s_axis_a_tvalid : IN STD_LOGIC;
s_axis_a_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
m_axis_result_tvalid : OUT STD_LOGIC;
m_axis_result_tdata : OUT STD_LOGIC_VECTOR(31 DOWNTO 0)
);
END fsqrt;
ARCHITECTURE fsqrt_arch OF fsqrt IS
ATTRIBUTE DowngradeIPIdentifiedWarnings : STRING;
ATTRIBUTE DowngradeIPIdentifiedWarnings OF fsqrt_arch: ARCHITECTURE IS "yes";
COMPONENT floating_point_v7_1_2 IS
GENERIC (
C_XDEVICEFAMILY : STRING;
C_HAS_ADD : INTEGER;
C_HAS_SUBTRACT : INTEGER;
C_HAS_MULTIPLY : INTEGER;
C_HAS_DIVIDE : INTEGER;
C_HAS_SQRT : INTEGER;
C_HAS_COMPARE : INTEGER;
C_HAS_FIX_TO_FLT : INTEGER;
C_HAS_FLT_TO_FIX : INTEGER;
C_HAS_FLT_TO_FLT : INTEGER;
C_HAS_RECIP : INTEGER;
C_HAS_RECIP_SQRT : INTEGER;
C_HAS_ABSOLUTE : INTEGER;
C_HAS_LOGARITHM : INTEGER;
C_HAS_EXPONENTIAL : INTEGER;
C_HAS_FMA : INTEGER;
C_HAS_FMS : INTEGER;
C_HAS_ACCUMULATOR_A : INTEGER;
C_HAS_ACCUMULATOR_S : INTEGER;
C_A_WIDTH : INTEGER;
C_A_FRACTION_WIDTH : INTEGER;
C_B_WIDTH : INTEGER;
C_B_FRACTION_WIDTH : INTEGER;
C_C_WIDTH : INTEGER;
C_C_FRACTION_WIDTH : INTEGER;
C_RESULT_WIDTH : INTEGER;
C_RESULT_FRACTION_WIDTH : INTEGER;
C_COMPARE_OPERATION : INTEGER;
C_LATENCY : INTEGER;
C_OPTIMIZATION : INTEGER;
C_MULT_USAGE : INTEGER;
C_BRAM_USAGE : INTEGER;
C_RATE : INTEGER;
C_ACCUM_INPUT_MSB : INTEGER;
C_ACCUM_MSB : INTEGER;
C_ACCUM_LSB : INTEGER;
C_HAS_UNDERFLOW : INTEGER;
C_HAS_OVERFLOW : INTEGER;
C_HAS_INVALID_OP : INTEGER;
C_HAS_DIVIDE_BY_ZERO : INTEGER;
C_HAS_ACCUM_OVERFLOW : INTEGER;
C_HAS_ACCUM_INPUT_OVERFLOW : INTEGER;
C_HAS_ACLKEN : INTEGER;
C_HAS_ARESETN : INTEGER;
C_THROTTLE_SCHEME : INTEGER;
C_HAS_A_TUSER : INTEGER;
C_HAS_A_TLAST : INTEGER;
C_HAS_B : INTEGER;
C_HAS_B_TUSER : INTEGER;
C_HAS_B_TLAST : INTEGER;
C_HAS_C : INTEGER;
C_HAS_C_TUSER : INTEGER;
C_HAS_C_TLAST : INTEGER;
C_HAS_OPERATION : INTEGER;
C_HAS_OPERATION_TUSER : INTEGER;
C_HAS_OPERATION_TLAST : INTEGER;
C_HAS_RESULT_TUSER : INTEGER;
C_HAS_RESULT_TLAST : INTEGER;
C_TLAST_RESOLUTION : INTEGER;
C_A_TDATA_WIDTH : INTEGER;
C_A_TUSER_WIDTH : INTEGER;
C_B_TDATA_WIDTH : INTEGER;
C_B_TUSER_WIDTH : INTEGER;
C_C_TDATA_WIDTH : INTEGER;
C_C_TUSER_WIDTH : INTEGER;
C_OPERATION_TDATA_WIDTH : INTEGER;
C_OPERATION_TUSER_WIDTH : INTEGER;
C_RESULT_TDATA_WIDTH : INTEGER;
C_RESULT_TUSER_WIDTH : INTEGER;
C_FIXED_DATA_UNSIGNED : INTEGER
);
PORT (
aclk : IN STD_LOGIC;
aclken : IN STD_LOGIC;
aresetn : IN STD_LOGIC;
s_axis_a_tvalid : IN STD_LOGIC;
s_axis_a_tready : OUT STD_LOGIC;
s_axis_a_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axis_a_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_a_tlast : IN STD_LOGIC;
s_axis_b_tvalid : IN STD_LOGIC;
s_axis_b_tready : OUT STD_LOGIC;
s_axis_b_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axis_b_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_b_tlast : IN STD_LOGIC;
s_axis_c_tvalid : IN STD_LOGIC;
s_axis_c_tready : OUT STD_LOGIC;
s_axis_c_tdata : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axis_c_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_c_tlast : IN STD_LOGIC;
s_axis_operation_tvalid : IN STD_LOGIC;
s_axis_operation_tready : OUT STD_LOGIC;
s_axis_operation_tdata : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axis_operation_tuser : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axis_operation_tlast : IN STD_LOGIC;
m_axis_result_tvalid : OUT STD_LOGIC;
m_axis_result_tready : IN STD_LOGIC;
m_axis_result_tdata : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);
m_axis_result_tuser : OUT STD_LOGIC_VECTOR(0 DOWNTO 0);
m_axis_result_tlast : OUT STD_LOGIC
);
END COMPONENT floating_point_v7_1_2;
ATTRIBUTE X_INTERFACE_INFO : STRING;
ATTRIBUTE X_INTERFACE_INFO OF aclk: SIGNAL IS "xilinx.com:signal:clock:1.0 aclk_intf CLK";
ATTRIBUTE X_INTERFACE_INFO OF s_axis_a_tvalid: SIGNAL IS "xilinx.com:interface:axis:1.0 S_AXIS_A TVALID";
ATTRIBUTE X_INTERFACE_INFO OF s_axis_a_tdata: SIGNAL IS "xilinx.com:interface:axis:1.0 S_AXIS_A TDATA";
ATTRIBUTE X_INTERFACE_INFO OF m_axis_result_tvalid: SIGNAL IS "xilinx.com:interface:axis:1.0 M_AXIS_RESULT TVALID";
ATTRIBUTE X_INTERFACE_INFO OF m_axis_result_tdata: SIGNAL IS "xilinx.com:interface:axis:1.0 M_AXIS_RESULT TDATA";
BEGIN
U0 : floating_point_v7_1_2
GENERIC MAP (
C_XDEVICEFAMILY => "zynq",
C_HAS_ADD => 0,
C_HAS_SUBTRACT => 0,
C_HAS_MULTIPLY => 0,
C_HAS_DIVIDE => 0,
C_HAS_SQRT => 1,
C_HAS_COMPARE => 0,
C_HAS_FIX_TO_FLT => 0,
C_HAS_FLT_TO_FIX => 0,
C_HAS_FLT_TO_FLT => 0,
C_HAS_RECIP => 0,
C_HAS_RECIP_SQRT => 0,
C_HAS_ABSOLUTE => 0,
C_HAS_LOGARITHM => 0,
C_HAS_EXPONENTIAL => 0,
C_HAS_FMA => 0,
C_HAS_FMS => 0,
C_HAS_ACCUMULATOR_A => 0,
C_HAS_ACCUMULATOR_S => 0,
C_A_WIDTH => 32,
C_A_FRACTION_WIDTH => 24,
C_B_WIDTH => 32,
C_B_FRACTION_WIDTH => 24,
C_C_WIDTH => 32,
C_C_FRACTION_WIDTH => 24,
C_RESULT_WIDTH => 32,
C_RESULT_FRACTION_WIDTH => 24,
C_COMPARE_OPERATION => 8,
C_LATENCY => 28,
C_OPTIMIZATION => 1,
C_MULT_USAGE => 0,
C_BRAM_USAGE => 0,
C_RATE => 1,
C_ACCUM_INPUT_MSB => 32,
C_ACCUM_MSB => 32,
C_ACCUM_LSB => -31,
C_HAS_UNDERFLOW => 0,
C_HAS_OVERFLOW => 0,
C_HAS_INVALID_OP => 0,
C_HAS_DIVIDE_BY_ZERO => 0,
C_HAS_ACCUM_OVERFLOW => 0,
C_HAS_ACCUM_INPUT_OVERFLOW => 0,
C_HAS_ACLKEN => 0,
C_HAS_ARESETN => 0,
C_THROTTLE_SCHEME => 3,
C_HAS_A_TUSER => 0,
C_HAS_A_TLAST => 0,
C_HAS_B => 0,
C_HAS_B_TUSER => 0,
C_HAS_B_TLAST => 0,
C_HAS_C => 0,
C_HAS_C_TUSER => 0,
C_HAS_C_TLAST => 0,
C_HAS_OPERATION => 0,
C_HAS_OPERATION_TUSER => 0,
C_HAS_OPERATION_TLAST => 0,
C_HAS_RESULT_TUSER => 0,
C_HAS_RESULT_TLAST => 0,
C_TLAST_RESOLUTION => 0,
C_A_TDATA_WIDTH => 32,
C_A_TUSER_WIDTH => 1,
C_B_TDATA_WIDTH => 32,
C_B_TUSER_WIDTH => 1,
C_C_TDATA_WIDTH => 32,
C_C_TUSER_WIDTH => 1,
C_OPERATION_TDATA_WIDTH => 8,
C_OPERATION_TUSER_WIDTH => 1,
C_RESULT_TDATA_WIDTH => 32,
C_RESULT_TUSER_WIDTH => 1,
C_FIXED_DATA_UNSIGNED => 0
)
PORT MAP (
aclk => aclk,
aclken => '1',
aresetn => '1',
s_axis_a_tvalid => s_axis_a_tvalid,
s_axis_a_tdata => s_axis_a_tdata,
s_axis_a_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_a_tlast => '0',
s_axis_b_tvalid => '0',
s_axis_b_tdata => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 32)),
s_axis_b_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_b_tlast => '0',
s_axis_c_tvalid => '0',
s_axis_c_tdata => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 32)),
s_axis_c_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_c_tlast => '0',
s_axis_operation_tvalid => '0',
s_axis_operation_tdata => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
s_axis_operation_tuser => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axis_operation_tlast => '0',
m_axis_result_tvalid => m_axis_result_tvalid,
m_axis_result_tready => '0',
m_axis_result_tdata => m_axis_result_tdata
);
END fsqrt_arch;
| gpl-3.0 | 461b8c766e2b18b936eeb20fc880566e | 0.625784 | 3.248408 | false | false | false | false |
preusser/q27 | src/vhdl/queens/msg_tap.vhdl | 2 | 3,596 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-------------------------------------------------------------------------------
-- This file is part of the Queens@TUD solver suite
-- for enumerating and counting the solutions of an N-Queens Puzzle.
--
-- Copyright (C) 2008-2015
-- Thomas B. Preusser <[email protected]>
-------------------------------------------------------------------------------
-- This design is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published
-- by the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this design. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------------
library IEEE;
use IEEE.std_logic_1164.all;
library PoC;
use PoC.utils.all;
entity msg_tap is
generic (
D : positive -- Message Buffer Depth (Size)
);
port (
-- Global Control
clk : in std_logic;
rst : in std_logic;
-- Tap Input
iful : out std_logic;
idat : in byte;
ieof : in std_logic;
iput : in std_logic;
-- Tap Forward
oful : in std_logic;
odat : out byte;
oeof : out std_logic;
oput : out std_logic;
-- Tap
tful : in std_logic;
tdat : out std_logic_vector(0 to 8*D-1);
tput : out std_logic
);
end msg_tap;
library IEEE;
use IEEE.numeric_std.all;
architecture rtl of msg_tap is
type tState is (Receive, Hold, Transmit);
signal State : tState := Receive;
signal Buf : byte_vector(0 to D-1) := (others => (others => '-'));
signal Cnt : signed(log2ceil(imax(D-1, 1)) downto 0) := (others => '-');
begin
process(clk)
begin
if rising_edge(clk) then
if rst = '1' then
State <= Receive;
Buf <= (others => (others => '-'));
Cnt <= (others => '-');
else
case State is
when Receive =>
Cnt <= (others => '-');
if iput = '1' then
Buf <= Buf(1 to D-1) & idat;
if ieof = '1' then
State <= Hold;
end if;
end if;
when Hold =>
Cnt <= (others => '-');
if tful = '0' then
State <= Receive;
elsif oful = '0' then
Cnt <= to_signed(D-2, Cnt'length);
State <= Transmit;
end if;
when Transmit =>
if oful = '0' then
Buf <= Buf(1 to D-1) & byte'(7 downto 0 => '-');
Cnt <= Cnt - 1;
if Cnt(Cnt'left) = '1' then
State <= Receive;
end if;
end if;
end case;
end if;
end if;
end process;
iful <= '0' when State = Receive else '1';
genParOut: for i in Buf'range generate
tdat(8*i to 8*i+7) <= Buf(i);
end generate genParOut;
tput <= not tful when State = Hold else '0';
odat <= Buf(0);
oeof <= Cnt(Cnt'left);
oput <= '0' when State /= Transmit else
'0' when oful = '1' else
'1';
end rtl;
| agpl-3.0 | 07724aea8e5ffb90d37be67eed5a4db8 | 0.521413 | 3.947311 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_8Stations.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 8;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | b6136fdfb9d6774cf3b47bc091e8d20c | 0.567707 | 3.729005 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_6Stations_2AXI.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 6;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 2c026ddbdfc513ba5fa5198546e4fa19 | 0.567707 | 3.729005 | false | false | false | false |
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`protect end_protected
| mit | 71790a5e36c1d3a7a83955d86649eab8 | 0.953424 | 1.829424 | false | false | false | false |
joalcava/sparcv8-monocicle | DM.vhd | 1 | 987 | library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
entity DataMemory is
Port ( enableMem : in STD_LOGIC;
reset : in STD_LOGIC;
cRD : in STD_LOGIC_VECTOR (31 downto 0);
address : in STD_LOGIC_VECTOR (31 downto 0);
wrEnMem : in STD_LOGIC;
datoToWr : out STD_LOGIC_VECTOR (31 downto 0)
);
end DataMemory;
architecture arqDataMemory of DataMemory is
type ram_type is array (0 to 63) of std_logic_vector (31 downto 0);
signal ramMemory : ram_type:=(others => x"00000000");
begin
process(enableMem,reset,cRD,address,wrEnMem)
begin
if(enableMem = '1') then
if(reset = '1')then
datoToWr <= (others => '0');
ramMemory <= (others => x"00000000");
else
if(wrEnMem = '0')then
datoToWr <= ramMemory(conv_integer(address(5 downto 0)));
else
ramMemory(conv_integer(address(5 downto 0))) <= cRD;
end if;
end if;
end if;
end process;
end arqDataMemory;
| gpl-3.0 | 791f6fe907e0ee0109301231942cbf63 | 0.630193 | 3.194175 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_Atomic_2AXI.vhd | 1 | 23,372 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 4;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant ATOMIC_IMPLEMENT : natural := 1;
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant FADD_DELAY : integer := 11;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 3399b5be760eb0668a77ebe0bac91ba3 | 0.568971 | 3.706899 | false | false | false | false |
joalcava/sparcv8-monocicle | Sparcv8Monocicle.vhd | 1 | 7,979 | library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
entity Sparcv8Monocicle is
Port ( CLK : in STD_LOGIC;
RST: in STD_LOGIC;
R : out STD_LOGIC_VECTOR(31 downto 0)
);
end Sparcv8Monocicle;
architecture Behavioral of Sparcv8Monocicle is
---Componentes
COMPONENT windows_manager
PORT(
cwp : IN std_logic;
rs1 : IN std_logic_vector(4 downto 0);
rs2 : IN std_logic_vector(4 downto 0);
rd : IN std_logic_vector(4 downto 0);
op : IN std_logic_vector(1 downto 0);
op3 : IN std_logic_vector(5 downto 0);
nrs1 : OUT std_logic_vector(5 downto 0);
nrs2 : OUT std_logic_vector(5 downto 0);
nrd : OUT std_logic_vector(5 downto 0);
ncwp : OUT std_logic
);
END COMPONENT;
COMPONENT psr
PORT(
clk : IN std_logic;
reset : IN std_logic;
nzvc : IN std_logic_vector(3 downto 0);
ncwp : IN std_logic;
carry : OUT std_logic;
cwp : OUT std_logic
);
END COMPONENT;
COMPONENT psr_modifier
PORT(
crs1 : IN std_logic;
ope2 : IN std_logic;
alur : IN std_logic_vector(31 downto 0);
aluop : IN std_logic_vector(5 downto 0);
nzvc : OUT std_logic_vector(3 downto 0)
);
END COMPONENT;
COMPONENT sum32b
PORT(
Op1 : IN std_logic_vector(31 downto 0);
Op2 : IN std_logic_vector(31 downto 0);
R : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT alu
PORT(
carry : IN std_logic;
aluop : IN std_logic_vector(5 downto 0);
crs1 : IN std_logic_vector(31 downto 0);
crs2 : IN std_logic_vector(31 downto 0);
r : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT control_unit
PORT(
op : IN std_logic_vector(1 downto 0);
op2 : IN std_logic_vector(2 downto 0);
op3 : IN std_logic_vector(5 downto 0);
icc : IN std_logic_vector(3 downto 0);
cond : IN std_logic_vector(3 downto 0);
Aluop : OUT std_logic_vector(5 downto 0);
wrenDM : OUT std_logic;
RFSource : OUT std_logic_vector(1 downto 0);
PCSource : OUT std_logic_vector(1 downto 0);
RFdest : OUT std_logic;
write_enable : OUT std_logic
);
END COMPONENT;
COMPONENT instructionMemory
PORT(
address : IN std_logic_vector(31 downto 0);
reset : IN std_logic;
outInstruction : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT mux32b
PORT(
A : IN std_logic_vector(31 downto 0);
B : IN std_logic_vector(31 downto 0);
Sel : IN std_logic;
O : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT pc
PORT(
clk : IN std_logic;
rst : IN std_logic;
address : IN std_logic_vector(31 downto 0);
sig : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT register_file
PORT(
Wren : IN std_logic;
rst : IN std_logic;
rs1 : IN std_logic_vector(5 downto 0);
rs2 : IN std_logic_vector(5 downto 0);
rd : IN std_logic_vector(5 downto 0);
data : IN std_logic_vector(31 downto 0);
crs1 : OUT std_logic_vector(31 downto 0);
crs2 : OUT std_logic_vector(31 downto 0);
crd : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT sign_ext_unit
PORT(
entrada : IN std_logic_vector(12 downto 0);
salida : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT SEUDisp30
PORT(
Disp30 : IN std_logic_vector(29 downto 0);
S : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT SEUDisp22
PORT(
Disp22 : IN std_logic_vector(21 downto 0);
S : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT MuxPC
PORT(
PCdisp30 : IN std_logic_vector(31 downto 0);
PCdisp22 : IN std_logic_vector(31 downto 0);
PC : IN std_logic_vector(31 downto 0);
PCplus1 : IN std_logic_vector(31 downto 0);
PCSource : IN std_logic_vector(1 downto 0);
nPC : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT MuxNextRD
PORT(
RD : IN std_logic_vector(5 downto 0);
O7 : IN std_logic_vector(5 downto 0);
RfDest : IN std_logic;
NRd : OUT std_logic_vector(5 downto 0)
);
END COMPONENT;
COMPONENT MuxDWR
PORT(
DM : IN std_logic_vector(31 downto 0);
AluR : IN std_logic_vector(31 downto 0);
PC : IN std_logic_vector(31 downto 0);
RFSource : IN std_logic_vector(1 downto 0);
DTRF : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
COMPONENT DataMemory
PORT(
enableMem : IN std_logic;
reset : IN std_logic;
cRD : IN std_logic_vector(31 downto 0);
address : IN std_logic_vector(31 downto 0);
wrEnMem : IN std_logic;
datoToWr : OUT std_logic_vector(31 downto 0)
);
END COMPONENT;
signal aux1,aux2,aux3,aux4,aux6,aux7,aux9,aux10,aux11,aux20,aux21,aux22,aux23,aux25,aux29,aux30,aux32:std_logic_vector(31 downto 0);
signal aux5,aux14,aux15,aux16,aux27:std_logic_vector(5 downto 0);
signal aux12,aux17,aux18,aux26,aux28,aux31: std_logic;
signal aux24,aux34,aux33: std_logic_vector(1 downto 0);
signal aux13:std_logic_vector(3 downto 0);
begin
---Instancia de los componentes
Inst_SEUDisp30: SEUDisp30 PORT MAP(
Disp30 => aux4(29 downto 0),
S => aux20
);
Inst_SEUDisp22: SEUDisp22 PORT MAP(
Disp22 => aux4(21 downto 0),
S => aux21
);
Inst_MuxPC: MuxPC PORT MAP(
PCdisp30 => aux23,
PCdisp22 => aux22,
PC => aux3,
PCplus1 => aux2,
PCSource => aux24,
nPC => aux25
);
Inst_MuxNextRD: MuxNextRD PORT MAP(
RD => aux16,
O7 => "001111",
RfDest => aux26,
NRd => aux27
);
Inst_MuxDWR: MuxDWR PORT MAP(
DM => aux32,
AluR => aux30,
PC => aux3,
RFSource => aux33,
DTRF => aux10
);
Inst_DataMemory: DataMemory PORT MAP(
enableMem => '1',
reset => RST,
cRD => aux29,
address => aux30,
wrEnMem => aux31,
datoToWr => aux32
);
Inst_windows_manager: windows_manager PORT MAP(
cwp => aux18,
rs1 => aux4(18 downto 14),
rs2 => aux4(4 downto 0),
rd => aux4(29 downto 25),
op => aux4(31 downto 30),
op3 => aux4(24 downto 19),
nrs1 => aux14,
nrs2 => aux15,
nrd => aux16,
ncwp => aux17
);
Inst_psr: psr PORT MAP(
clk => CLK,
reset => RST,
nzvc => aux13,
ncwp => aux17,
carry => aux12,
cwp => aux18
);
Inst_psr_modifier: psr_modifier PORT MAP(
crs1 => aux6(31),
ope2 => aux9(31),
alur => aux30,
aluop => aux5,
nzvc => aux13
);
Inst_sumPC: sum32b PORT MAP(
Op1 => x"00000001",
Op2 => aux1,
R => aux2
);
Inst_sumDisp22: sum32b PORT MAP(
Op1 => aux21,
Op2 => aux3,
R => aux22
);
Inst_sumDisp30: sum32b PORT MAP(
Op1 => aux20,
Op2 => aux3,
R => aux23
);
Inst_alu: alu PORT MAP(
carry => aux12,
aluop => aux5,
crs1 => aux6,
crs2 => aux9,
r => aux30
);
Inst_control_unit: control_unit PORT MAP(
op => aux4(31 downto 30),
op2 => aux4(24 downto 22),
op3 => aux4(24 downto 19),
icc => aux13,
cond => aux4(28 downto 25),
Aluop => aux5,
wrenDM => aux31,
RFSource => aux33,
PCSource => aux24,
RFdest => aux26,
write_enable => aux28
);
Inst_instructionMemory: instructionMemory PORT MAP(
address => aux3,
reset => RST,
outInstruction => aux4
);
Inst_mux32b: mux32b PORT MAP(
A => aux7,
B => aux11,
Sel => aux4(13),
O => aux9
);
Inst_pc: pc PORT MAP(
clk => CLK,
rst => RST,
address => aux1,
sig => aux3
);
Inst_npc: pc PORT MAP(
clk => CLK,
rst => RST,
address => aux25,
sig => aux1
);
Inst_register_file: register_file PORT MAP(
Wren => aux28,
rst => RST,
rs1 => aux14,
rs2 => aux15,
rd => aux27,
data => aux10,
crs1 => aux6,
crs2 => aux7,
crd => aux29
);
Inst_sign_ext_unit: sign_ext_unit PORT MAP(
entrada => aux4(12 downto 0),
salida => aux11
);
R<=aux30;
end Behavioral;
| gpl-3.0 | 655d9ed71284db31feb668f2b6b5ba44 | 0.599825 | 2.837482 | false | false | false | false |
malkadi/FGPU | HW/sources/IPs/FGPU_2.1/hdl/FGPU_v2_1.vhd | 1 | 18,906 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library work;
use work.all;
use work.FGPU_definitions.all;
library xil_defaultlib;
use xil_defaultlib.all;
------------------------------------------------------------------------------------------------- }}}
entity FGPU_v2_1 is
-- generics {{{
generic (
-- Users to add parameters here
-- User parameters ends
-- Do not modify the parameters beyond this line
-- Parameters of Axi Slave Bus Interface S0
C_S0_DATA_WIDTH : integer := 32;
C_S0_ADDR_WIDTH : integer := 16;
-- Parameters of Axi Master Bus Interface M0
C_M0_TARGET_SLAVE_BASE_ADDR : std_logic_vector := x"00000000";
C_M0_BURST_LEN : integer := 8;
C_M0_ID_WIDTH : integer := 6;
C_M0_ADDR_WIDTH : integer := 32;
C_M0_DATA_WIDTH : integer := 64;
C_M0_AWUSER_WIDTH : integer := 0;
C_M0_ARUSER_WIDTH : integer := 0;
C_M0_WUSER_WIDTH : integer := 0;
C_M0_RUSER_WIDTH : integer := 0;
C_M0_BUSER_WIDTH : integer := 0;
-- Parameters of Axi Master Bus Interface M1
C_M1_TARGET_SLAVE_BASE_ADDR : std_logic_vector := x"00000000";
C_M1_BURST_LEN : integer := 8;
C_M1_ID_WIDTH : integer := 6;
C_M1_ADDR_WIDTH : integer := 32;
C_M1_DATA_WIDTH : integer := 64;
C_M1_AWUSER_WIDTH : integer := 0;
C_M1_ARUSER_WIDTH : integer := 0;
C_M1_WUSER_WIDTH : integer := 0;
C_M1_RUSER_WIDTH : integer := 0;
C_M1_BUSER_WIDTH : integer := 0;
-- Parameters of Axi Master Bus Interface M2
C_M2_TARGET_SLAVE_BASE_ADDR : std_logic_vector := x"00000000";
C_M2_BURST_LEN : integer := 8;
C_M2_ID_WIDTH : integer := 6;
C_M2_ADDR_WIDTH : integer := 32;
C_M2_DATA_WIDTH : integer := 64;
C_M2_AWUSER_WIDTH : integer := 0;
C_M2_ARUSER_WIDTH : integer := 0;
C_M2_WUSER_WIDTH : integer := 0;
C_M2_RUSER_WIDTH : integer := 0;
C_M2_BUSER_WIDTH : integer := 0;
-- Parameters of Axi Master Bus Interface M3
C_M3_TARGET_SLAVE_BASE_ADDR : std_logic_vector := x"00000000";
C_M3_BURST_LEN : integer := 8;
C_M3_ID_WIDTH : integer := 6;
C_M3_ADDR_WIDTH : integer := 32;
C_M3_DATA_WIDTH : integer := 64;
C_M3_AWUSER_WIDTH : integer := 0;
C_M3_ARUSER_WIDTH : integer := 0;
C_M3_WUSER_WIDTH : integer := 0;
C_M3_RUSER_WIDTH : integer := 0;
C_M3_BUSER_WIDTH : integer := 0
); --}}}
-- ports {{{
port (
-- Users to add ports here
-- User ports ends
-- Do not modify the ports beyond this line
-- Ports of Axi Slave Bus Interface S0 {{{
s0_aclk : in std_logic;
s0_aresetn : in std_logic;
s0_awaddr : in std_logic_vector(C_S0_ADDR_WIDTH-1 downto 0);
s0_awprot : in std_logic_vector(2 downto 0);
s0_awvalid : in std_logic;
s0_awready : out std_logic;
s0_wdata : in std_logic_vector(C_S0_DATA_WIDTH-1 downto 0);
s0_wstrb : in std_logic_vector((C_S0_DATA_WIDTH/8)-1 downto 0);
s0_wvalid : in std_logic;
s0_wready : out std_logic;
s0_bresp : out std_logic_vector(1 downto 0);
s0_bvalid : out std_logic;
s0_bready : in std_logic;
s0_araddr : in std_logic_vector(C_S0_ADDR_WIDTH-1 downto 0);
s0_arprot : in std_logic_vector(2 downto 0);
s0_arvalid : in std_logic;
s0_arready : out std_logic;
s0_rdata : out std_logic_vector(C_S0_DATA_WIDTH-1 downto 0);
s0_rresp : out std_logic_vector(1 downto 0);
s0_rvalid : out std_logic;
s0_rready : in std_logic;
-- }}}
-- Ports of Axi Master Bus Interface M0 {{{
m0_aclk : in std_logic;
m0_aresetn : in std_logic;
m0_awid : out std_logic_vector(C_M0_ID_WIDTH-1 downto 0);
m0_awaddr : out std_logic_vector(C_M0_ADDR_WIDTH-1 downto 0);
m0_awlen : out std_logic_vector(7 downto 0);
m0_awsize : out std_logic_vector(2 downto 0);
m0_awburst : out std_logic_vector(1 downto 0);
m0_awlock : out std_logic;
m0_awcache : out std_logic_vector(3 downto 0);
m0_awprot : out std_logic_vector(2 downto 0);
m0_awqos : out std_logic_vector(3 downto 0);
m0_awuser : out std_logic_vector(C_M0_AWUSER_WIDTH-1 downto 0);
m0_awvalid : out std_logic;
m0_awready : in std_logic;
m0_wdata : out std_logic_vector(C_M0_DATA_WIDTH-1 downto 0);
m0_wstrb : out std_logic_vector(C_M0_DATA_WIDTH/8-1 downto 0);
m0_wlast : out std_logic;
m0_wuser : out std_logic_vector(C_M0_WUSER_WIDTH-1 downto 0);
m0_wvalid : out std_logic;
m0_wready : in std_logic;
m0_bid : in std_logic_vector(C_M0_ID_WIDTH-1 downto 0);
m0_bresp : in std_logic_vector(1 downto 0);
m0_buser : in std_logic_vector(C_M0_BUSER_WIDTH-1 downto 0);
m0_bvalid : in std_logic;
m0_bready : out std_logic;
m0_arid : out std_logic_vector(C_M0_ID_WIDTH-1 downto 0);
m0_araddr : out std_logic_vector(C_M0_ADDR_WIDTH-1 downto 0);
m0_arlen : out std_logic_vector(7 downto 0);
m0_arsize : out std_logic_vector(2 downto 0);
m0_arburst : out std_logic_vector(1 downto 0);
m0_arlock : out std_logic;
m0_arcache : out std_logic_vector(3 downto 0);
m0_arprot : out std_logic_vector(2 downto 0);
m0_arqos : out std_logic_vector(3 downto 0);
m0_aruser : out std_logic_vector(C_M0_ARUSER_WIDTH-1 downto 0);
m0_arvalid : out std_logic;
m0_arready : in std_logic;
m0_rid : in std_logic_vector(C_M0_ID_WIDTH-1 downto 0);
m0_rdata : in std_logic_vector(C_M0_DATA_WIDTH-1 downto 0);
m0_rresp : in std_logic_vector(1 downto 0);
m0_rlast : in std_logic;
m0_ruser : in std_logic_vector(C_M0_RUSER_WIDTH-1 downto 0);
m0_rvalid : in std_logic;
m0_rready : out std_logic;
--}}}
-- Ports of Axi Master Bus Interface M1 {{{
m1_aclk : in std_logic;
m1_aresetn : in std_logic;
m1_awid : out std_logic_vector(C_M1_ID_WIDTH-1 downto 0);
m1_awaddr : out std_logic_vector(C_M1_ADDR_WIDTH-1 downto 0);
m1_awlen : out std_logic_vector(7 downto 0);
m1_awsize : out std_logic_vector(2 downto 0);
m1_awburst : out std_logic_vector(1 downto 0);
m1_awlock : out std_logic;
m1_awcache : out std_logic_vector(3 downto 0);
m1_awprot : out std_logic_vector(2 downto 0);
m1_awqos : out std_logic_vector(3 downto 0);
m1_awuser : out std_logic_vector(C_M1_AWUSER_WIDTH-1 downto 0);
m1_awvalid : out std_logic;
m1_awready : in std_logic;
m1_wdata : out std_logic_vector(C_M1_DATA_WIDTH-1 downto 0);
m1_wstrb : out std_logic_vector(C_M1_DATA_WIDTH/8-1 downto 0);
m1_wlast : out std_logic;
m1_wuser : out std_logic_vector(C_M1_WUSER_WIDTH-1 downto 0);
m1_wvalid : out std_logic;
m1_wready : in std_logic;
m1_bid : in std_logic_vector(C_M1_ID_WIDTH-1 downto 0);
m1_bresp : in std_logic_vector(1 downto 0);
m1_buser : in std_logic_vector(C_M1_BUSER_WIDTH-1 downto 0);
m1_bvalid : in std_logic;
m1_bready : out std_logic;
m1_arid : out std_logic_vector(C_M1_ID_WIDTH-1 downto 0);
m1_araddr : out std_logic_vector(C_M1_ADDR_WIDTH-1 downto 0);
m1_arlen : out std_logic_vector(7 downto 0);
m1_arsize : out std_logic_vector(2 downto 0);
m1_arburst : out std_logic_vector(1 downto 0);
m1_arlock : out std_logic;
m1_arcache : out std_logic_vector(3 downto 0);
m1_arprot : out std_logic_vector(2 downto 0);
m1_arqos : out std_logic_vector(3 downto 0);
m1_aruser : out std_logic_vector(C_M1_ARUSER_WIDTH-1 downto 0);
m1_arvalid : out std_logic;
m1_arready : in std_logic;
m1_rid : in std_logic_vector(C_M1_ID_WIDTH-1 downto 0);
m1_rdata : in std_logic_vector(C_M1_DATA_WIDTH-1 downto 0);
m1_rresp : in std_logic_vector(1 downto 0);
m1_rlast : in std_logic;
m1_ruser : in std_logic_vector(C_M1_RUSER_WIDTH-1 downto 0);
m1_rvalid : in std_logic;
m1_rready : out std_logic;
-- }}}
-- Ports of Axi Master Bus Interface M2 {{{
m2_aclk : in std_logic;
m2_aresetn : in std_logic;
m2_awid : out std_logic_vector(C_M2_ID_WIDTH-1 downto 0);
m2_awaddr : out std_logic_vector(C_M2_ADDR_WIDTH-1 downto 0);
m2_awlen : out std_logic_vector(7 downto 0);
m2_awsize : out std_logic_vector(2 downto 0);
m2_awburst : out std_logic_vector(1 downto 0);
m2_awlock : out std_logic;
m2_awcache : out std_logic_vector(3 downto 0);
m2_awprot : out std_logic_vector(2 downto 0);
m2_awqos : out std_logic_vector(3 downto 0);
m2_awuser : out std_logic_vector(C_M2_AWUSER_WIDTH-1 downto 0);
m2_awvalid : out std_logic;
m2_awready : in std_logic;
m2_wdata : out std_logic_vector(C_M2_DATA_WIDTH-1 downto 0);
m2_wstrb : out std_logic_vector(C_M2_DATA_WIDTH/8-1 downto 0);
m2_wlast : out std_logic;
m2_wuser : out std_logic_vector(C_M2_WUSER_WIDTH-1 downto 0);
m2_wvalid : out std_logic;
m2_wready : in std_logic;
m2_bid : in std_logic_vector(C_M2_ID_WIDTH-1 downto 0);
m2_bresp : in std_logic_vector(1 downto 0);
m2_buser : in std_logic_vector(C_M2_BUSER_WIDTH-1 downto 0);
m2_bvalid : in std_logic;
m2_bready : out std_logic;
m2_arid : out std_logic_vector(C_M2_ID_WIDTH-1 downto 0);
m2_araddr : out std_logic_vector(C_M2_ADDR_WIDTH-1 downto 0);
m2_arlen : out std_logic_vector(7 downto 0);
m2_arsize : out std_logic_vector(2 downto 0);
m2_arburst : out std_logic_vector(1 downto 0);
m2_arlock : out std_logic;
m2_arcache : out std_logic_vector(3 downto 0);
m2_arprot : out std_logic_vector(2 downto 0);
m2_arqos : out std_logic_vector(3 downto 0);
m2_aruser : out std_logic_vector(C_M2_ARUSER_WIDTH-1 downto 0);
m2_arvalid : out std_logic;
m2_arready : in std_logic;
m2_rid : in std_logic_vector(C_M2_ID_WIDTH-1 downto 0);
m2_rdata : in std_logic_vector(C_M2_DATA_WIDTH-1 downto 0);
m2_rresp : in std_logic_vector(1 downto 0);
m2_rlast : in std_logic;
m2_ruser : in std_logic_vector(C_M2_RUSER_WIDTH-1 downto 0);
m2_rvalid : in std_logic;
m2_rready : out std_logic;
-- }}}
-- Ports of Axi Master Bus Interface M3 {{{
m3_aclk : in std_logic;
m3_aresetn : in std_logic;
m3_awid : out std_logic_vector(C_M3_ID_WIDTH-1 downto 0);
m3_awaddr : out std_logic_vector(C_M3_ADDR_WIDTH-1 downto 0);
m3_awlen : out std_logic_vector(7 downto 0);
m3_awsize : out std_logic_vector(2 downto 0);
m3_awburst : out std_logic_vector(1 downto 0);
m3_awlock : out std_logic;
m3_awcache : out std_logic_vector(3 downto 0);
m3_awprot : out std_logic_vector(2 downto 0);
m3_awqos : out std_logic_vector(3 downto 0);
m3_awuser : out std_logic_vector(C_M3_AWUSER_WIDTH-1 downto 0);
m3_awvalid : out std_logic;
m3_awready : in std_logic;
m3_wdata : out std_logic_vector(C_M3_DATA_WIDTH-1 downto 0);
m3_wstrb : out std_logic_vector(C_M3_DATA_WIDTH/8-1 downto 0);
m3_wlast : out std_logic;
m3_wuser : out std_logic_vector(C_M3_WUSER_WIDTH-1 downto 0);
m3_wvalid : out std_logic;
m3_wready : in std_logic;
m3_bid : in std_logic_vector(C_M3_ID_WIDTH-1 downto 0);
m3_bresp : in std_logic_vector(1 downto 0);
m3_buser : in std_logic_vector(C_M3_BUSER_WIDTH-1 downto 0);
m3_bvalid : in std_logic;
m3_bready : out std_logic;
m3_arid : out std_logic_vector(C_M3_ID_WIDTH-1 downto 0);
m3_araddr : out std_logic_vector(C_M3_ADDR_WIDTH-1 downto 0);
m3_arlen : out std_logic_vector(7 downto 0);
m3_arsize : out std_logic_vector(2 downto 0);
m3_arburst : out std_logic_vector(1 downto 0);
m3_arlock : out std_logic;
m3_arcache : out std_logic_vector(3 downto 0);
m3_arprot : out std_logic_vector(2 downto 0);
m3_arqos : out std_logic_vector(3 downto 0);
m3_aruser : out std_logic_vector(C_M3_ARUSER_WIDTH-1 downto 0);
m3_arvalid : out std_logic;
m3_arready : in std_logic;
m3_rid : in std_logic_vector(C_M3_ID_WIDTH-1 downto 0);
m3_rdata : in std_logic_vector(C_M3_DATA_WIDTH-1 downto 0);
m3_rresp : in std_logic_vector(1 downto 0);
m3_rlast : in std_logic;
m3_ruser : in std_logic_vector(C_M3_RUSER_WIDTH-1 downto 0);
m3_rvalid : in std_logic;
m3_rready : out std_logic
-- }}}
); --}}}
end FGPU_v2_1;
architecture arch_imp of FGPU_v2_1 is
signal nrst : std_logic := '0';
begin
-- fixed signals ------------------------------------------------------------------------------------{{{
-- m0 {{{
m0_awlock <= '0';
--Update value to 4'b0011 if coherent accesses to be used via the Zynq ACP port. Not Allocated, Modifiable, not Bufferable. Not Bufferable since this example is meant to test memory, not intermediate cache.
m0_awcache <= "0010";
m0_awprot <= "000";
m0_awqos <= X"0";
m0_arlock <= '0';
m0_arcache <= "0010";
m0_arprot <= "000";
m0_arqos <= X"0";
-- }}}
-- m1 {{{
m1_awlock <= '0';
--Update value to 4'b0011 if coherent accesses to be used via the Zynq ACP port. Not Allocated, Modifiable, not Bufferable. Not Bufferable since this example is meant to test memory, not intermediate cache.
m1_awcache <= "0010";
m1_awprot <= "000";
m1_awqos <= X"0";
m1_arlock <= '0';
m1_arcache <= "0010";
m1_arprot <= "000";
m1_arqos <= X"0";
--}}}
-- m2 {{{
m2_awlock <= '0';
--Update value to 4'b0011 if coherent accesses to be used via the Zynq ACP port. Not Allocated, Modifiable, not Bufferable. Not Bufferable since this example is meant to test memory, not intermediate cache.
m2_awcache <= "0010";
m2_awprot <= "000";
m2_awqos <= X"0";
m2_arlock <= '0';
m2_arcache <= "0010";
m2_arprot <= "000";
m2_arqos <= X"0";
-- }}}
-- m3 {{{
m3_awlock <= '0';
--Update value to 4'b0011 if coherent accesses to be used via the Zynq ACP port. Not Allocated, Modifiable, not Bufferable. Not Bufferable since this example is meant to test memory, not intermediate cache.
m3_awcache <= "0010";
m3_awprot <= "000";
m3_awqos <= X"0";
m3_arlock <= '0';
m3_arcache <= "0010";
m3_arprot <= "000";
m3_arqos <= X"0";
-- }}}
---------------------------------------------------------------------------------------------------------}}}
process(s0_aclk)
begin
if rising_edge(s0_aclk) then
nrst <= s0_aresetn and m0_aresetn and m1_aresetn and m2_aresetn and m3_aresetn;
end if;
end process;
uut: entity FGPU
PORT MAP (
clk => s0_aclk,
-- slave axi {{{
s0_awaddr => s0_awaddr(C_S0_ADDR_WIDTH-1 downto 2),
s0_awprot => s0_awprot,
s0_awvalid => s0_awvalid,
s0_awready => s0_awready,
s0_wdata => s0_wdata,
s0_wstrb => s0_wstrb,
s0_wvalid => s0_wvalid,
s0_wready => s0_wready,
s0_bresp => s0_bresp,
s0_bvalid => s0_bvalid,
s0_bready => s0_bready,
s0_araddr => s0_araddr(C_S0_ADDR_WIDTH-1 downto 2),
s0_arprot => s0_arprot,
s0_arvalid => s0_arvalid,
s0_arready => s0_arready,
s0_rdata => s0_rdata,
s0_rresp => s0_rresp,
s0_rvalid => s0_rvalid,
s0_rready => s0_rready,
-- }}}
-- axi master 0 connections {{{
-- ar channel
m0_araddr => m0_araddr,
m0_arlen => m0_arlen,
m0_arsize => m0_arsize,
m0_arburst => m0_arburst,
m0_arvalid => m0_arvalid,
m0_arready => m0_arready,
m0_arid => m0_arid,
-- r channel
m0_rdata => m0_rdata,
m0_rresp => m0_rresp,
m0_rlast => m0_rlast,
m0_rvalid => m0_rvalid,
m0_rready => m0_rready,
m0_rid => m0_rid,
-- aw channel
m0_awvalid => m0_awvalid,
m0_awaddr => m0_awaddr,
m0_awready => m0_awready,
m0_awlen => m0_awlen,
m0_awsize => m0_awsize,
m0_awburst => m0_awburst,
m0_awid => m0_awid,
-- w channel
m0_wdata => m0_wdata,
m0_wstrb => m0_wstrb,
m0_wlast => m0_wlast,
m0_wvalid => m0_wvalid,
m0_wready => m0_wready,
-- b channel
m0_bvalid => m0_bvalid,
m0_bready => m0_bready,
m0_bid => m0_bid,
-- }}}
-- axi master 1 connections {{{
-- ar channel
m1_araddr => m2_araddr,
m1_arlen => m2_arlen,
m1_arsize => m2_arsize,
m1_arburst => m2_arburst,
m1_arvalid => m2_arvalid,
m1_arready => m2_arready,
m1_arid => m2_arid,
-- r channel
m1_rdata => m2_rdata,
m1_rresp => m2_rresp,
m1_rlast => m2_rlast,
m1_rvalid => m2_rvalid,
m1_rready => m2_rready,
m1_rid => m2_rid,
-- aw channel
m1_awvalid => m2_awvalid,
m1_awaddr => m2_awaddr,
m1_awready => m2_awready,
m1_awlen => m2_awlen,
m1_awsize => m2_awsize,
m1_awburst => m2_awburst,
m1_awid => m2_awid,
-- w channel
m1_wdata => m2_wdata,
m1_wstrb => m2_wstrb,
m1_wlast => m2_wlast,
m1_wvalid => m2_wvalid,
m1_wready => m2_wready,
-- b channel
m1_bvalid => m2_bvalid,
m1_bready => m2_bready,
m1_bid => m2_bid,
-- }}}
-- axi master 2 connections {{{
-- ar channel
m2_araddr => m1_araddr,
m2_arlen => m1_arlen,
m2_arsize => m1_arsize,
m2_arburst => m1_arburst,
m2_arvalid => m1_arvalid,
m2_arready => m1_arready,
m2_arid => m1_arid,
-- r channel
m2_rdata => m1_rdata,
m2_rresp => m1_rresp,
m2_rlast => m1_rlast,
m2_rvalid => m1_rvalid,
m2_rready => m1_rready,
m2_rid => m1_rid,
-- aw channel
m2_awvalid => m1_awvalid,
m2_awaddr => m1_awaddr,
m2_awready => m1_awready,
m2_awlen => m1_awlen,
m2_awsize => m1_awsize,
m2_awburst => m1_awburst,
m2_awid => m1_awid,
-- w channel
m2_wdata => m1_wdata,
m2_wstrb => m1_wstrb,
m2_wlast => m1_wlast,
m2_wvalid => m1_wvalid,
m2_wready => m1_wready,
-- b channel
m2_bvalid => m1_bvalid,
m2_bready => m1_bready,
m2_bid => m1_bid,
-- }}}
-- axi master 3 connections {{{
-- ar channel
m3_araddr => m3_araddr,
m3_arlen => m3_arlen,
m3_arsize => m3_arsize,
m3_arburst => m3_arburst,
m3_arvalid => m3_arvalid,
m3_arready => m3_arready,
m3_arid => m3_arid,
-- r channel
m3_rdata => m3_rdata,
m3_rresp => m3_rresp,
m3_rlast => m3_rlast,
m3_rvalid => m3_rvalid,
m3_rready => m3_rready,
m3_rid => m3_rid,
-- aw channel
m3_awvalid => m3_awvalid,
m3_awaddr => m3_awaddr,
m3_awready => m3_awready,
m3_awlen => m3_awlen,
m3_awsize => m3_awsize,
m3_awburst => m3_awburst,
m3_awid => m3_awid,
-- w channel
m3_wdata => m3_wdata,
m3_wstrb => m3_wstrb,
m3_wlast => m3_wlast,
m3_wvalid => m3_wvalid,
m3_wready => m3_wready,
-- b channel
m3_bvalid => m3_bvalid,
m3_bready => m3_bready,
m3_bid => m3_bid,
-- }}}
nrst => nrst
);
end arch_imp;
| gpl-3.0 | 82be568a0f583d9fafc3942274b061b9 | 0.59177 | 2.758389 | false | false | false | false |
preusser/q27 | src/vhdl/queens/queens_slice0_tb.vhdl | 1 | 3,447 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-------------------------------------------------------------------------------
-- This file is part of the Queens@TUD solver suite
-- for enumerating and counting the solutions of an N-Queens Puzzle.
--
-- Copyright (C) 2008-2016
-- Thomas B. Preusser <[email protected]>
-------------------------------------------------------------------------------
-- This testbench is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published
-- by the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this design. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------------
entity queens_slice0_tb is
generic (
N : positive := 16 -- Choose your board size
);
end queens_slice0_tb;
library IEEE;
use IEEE.std_logic_1164.all;
architecture tb of queens_slice0_tb is
component queens_slice
generic (
N : positive; -- size of field
L : natural -- number of preplaced columns
);
port (
clk : in std_logic;
rst : in std_logic;
start : in std_logic;
BH_l : in std_logic_vector(0 to N-2*L-1);
BU_l : in std_logic_vector(0 to 2*N-4*L-2);
BD_l : in std_logic_vector(0 to 2*N-4*L-2);
BV_l : in std_logic_vector(0 to N-2*L-1);
sol : out std_logic;
done : out std_logic
);
end component;
--Inputs
signal clk : std_logic;
signal rst : std_logic;
signal start : std_logic;
--Outputs
signal sol : std_logic;
signal done : std_logic;
begin
dut: queens_slice
generic map (
N => N,
L => 0
)
port map (
clk => clk,
rst => rst,
start => start,
BH_l => (others => '0'),
BV_l => (others => '0'),
BU_l => (others => '0'),
BD_l => (others => '0'),
sol => sol,
done => done
);
-- Driver
process
procedure cycle is
begin
clk <= '0';
wait for 5 ns;
clk <= '1';
wait for 5 ns;
end;
begin
rst <= '1';
cycle;
rst <= '0';
start <= '0';
cycle;
start <= '1';
cycle;
start <= '0';
while done = '0' loop
cycle;
end loop;
cycle;
wait; -- forever
end process;
-- Log and Report
process
variable cycs : natural;
variable sols : natural;
begin
cycs := 0;
sols := 0;
wait until rising_edge(clk) and start = '1';
loop
wait until rising_edge(clk);
cycs := cycs + 1;
if sol = '1' then
sols := sols + 1;
end if;
exit when done = '1';
end loop;
report
"Found "&integer'image(sols)&
" solutions in "&integer'image(cycs)&" clock cycles.";
end process;
end tb;
| agpl-3.0 | e97808ced03b3916b71330b31e9a4891 | 0.527125 | 3.742671 | false | false | false | false |
jpidancet/mips | rtl/cpu_execute.vhd | 1 | 2,970 | library ieee;
use ieee.std_logic_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.ALL;
library work;
use work.mips_defs.ALL;
entity cpu_execute is
port (rt : in std_logic_vector(4 downto 0);
rd : in std_logic_vector(4 downto 0);
shamt : in std_logic_vector(4 downto 0);
imm : in std_logic_vector(31 downto 0);
alusrc : in std_logic;
regdst : in std_logic;
alucontrol : in alucontrol_type;
ovf_en : in std_logic;
rd1 : in std_logic_vector(31 downto 0);
rd2 : in std_logic_vector(31 downto 0);
regwrite : in std_logic;
memtoreg : in std_logic;
memread : in std_logic;
memwrite : in std_logic;
regwrite_n : out std_logic;
memtoreg_n : out std_logic;
memread_n : out std_logic;
memwrite_n : out std_logic;
aluout_n : out std_logic_vector(31 downto 0);
writedata_n : out std_logic_vector(31 downto 0);
writereg_n : out std_logic_vector(4 downto 0);
-- Forward
forward_a : in std_logic_vector(1 downto 0);
forward_b : in std_logic_vector(1 downto 0);
aluout_fwd : in std_logic_vector(31 downto 0);
result_fwd : in std_logic_vector(31 downto 0));
end entity cpu_execute;
architecture rtl of cpu_execute is
component alu is
port (op : in alucontrol_type;
a : in std_logic_vector(31 downto 0);
b : in std_logic_vector(31 downto 0);
shift : in std_logic_vector(5 downto 0);
result : out std_logic_vector(31 downto 0);
overflow : out std_logic);
end component alu;
signal writedata : std_logic_vector(31 downto 0);
signal srca : std_logic_vector(31 downto 0);
signal srcb : std_logic_vector(31 downto 0);
signal overflow : std_logic;
signal interrupt : std_logic;
begin
srca <= aluout_fwd when forward_a = "10" else
result_fwd when forward_a = "01" else
rd1;
writedata <= aluout_fwd when forward_b = "10" else
result_fwd when forward_b = "01" else
rd2;
srcb <= imm when alusrc = '1' else
writedata;
regwrite_n <= regwrite;
memtoreg_n <= memtoreg;
memread_n <= memread;
memwrite_n <= memwrite;
writedata_n <= writedata;
writereg_n <= rd when regdst = '1' else rt;
alu0: alu
port map (op => alucontrol,
a => srca,
b => srcb,
shift => shamt,
result => aluout_n,
overflow => overflow);
interrupt <= ovf_en and overflow;
end architecture rtl;
| isc | c9d1b9ba3debdab59f955e6e95bef9eb | 0.516498 | 3.822394 | false | false | false | false |
preusser/q27 | src/vhdl/top/dnk7_f5/dnk7_queens0.vhdl | 1 | 27,860 | library IEEE;
use IEEE.std_logic_1164.all;
library PoC;
use PoC.physical.all;
entity dnk7_queens0 is
generic (
-- Design Parameters
N : positive := 27;
L : positive := 2;
SOLVERS : positive := 240;
COUNT_CYCLES : boolean := false;
SENTINEL : std_logic_vector(7 downto 0) := x"FA"; -- Start Byte
-- Local Clock Parameters
CLK_FREQ : FREQ := 50 MHz;
CLK_DIV : positive := 1; -- CLK_FREQ / CLK_DIV * CLK_MUL:
CLK_MUL : positive := 22; -- as fast as possible but not above 1200 MHz
-- Output Clocks
CLK_DIV_COMP : positive := 5; -- fast computation clock
CLK_DIV_SLOW : positive := 15 -- slower communication clock
);
port (
---------------------------------------------------------------------------
-- 50-MHz Input Clock
CLK_MBCLK : in std_logic;
---------------------------------------------------------------------------
-- FPGA0: PCIe Interface
BUS_PCIE_CLK_IN_P : in std_logic;
BUS_PCIE_CLK_IN_N : in std_logic;
BUS_PCIE_CLK_OUT_P : out std_logic;
BUS_PCIE_CLK_OUT_N : out std_logic;
BUS_PCIE_TO_HOST : out std_logic_vector(38 downto 0);
BUS_PCIE_FROM_HOST : in std_logic_vector(77 downto 39);
---------------------------------------------------------------------------
-- Ring Bus
-- Output
BUS_OUT_CLKP : out std_logic;
BUS_OUT_CLKN : out std_logic;
BUS_OUT_PRE_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_PRE_PUT : out std_logic;
BUS_OUT_PRE_STALL : in std_logic;
BUS_OUT_SOL_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_SOL_PUT : out std_logic;
BUS_OUT_SOL_STALL : in std_logic;
-- Input
BUS_IN_CLKP : in std_logic;
BUS_IN_CLKN : in std_logic;
BUS_IN_PRE_DAT : in std_logic_vector(8 downto 0);
BUS_IN_PRE_PUT : in std_logic;
BUS_IN_PRE_STALL : out std_logic;
BUS_IN_SOL_DAT : in std_logic_vector(8 downto 0);
BUS_IN_SOL_PUT : in std_logic;
BUS_IN_SOL_STALL : out std_logic
);
end entity dnk7_queens0;
library IEEE;
use IEEE.numeric_std.all;
library PoC;
use PoC.utils.all;
use PoC.fifo.all;
library UNISIM;
use UNISIM.vcomponents.all;
architecture rtl of dnk7_queens0 is
----------------------------------------------------------------------------
-- Communication Addresses
-- Word Address: Read Write
-----------------------------------------------------------------------------
-- 0x0000 <byte capacity:32> <-:30><enable:2> input interrupt
-- 0x0004 <bytes available:32> <-:30><enable:2> output interrupt
-- 0x0008 <!vld:1><0:23><data_out:8> <-:24><data_in:8>
--
-- A data read (@ 0x8) implicitly clears an output interrupt.
-- A data write (@ 0x8) implicitly clears an input interrupt.
--
constant ADDR_STATUS : natural := 16#00#; -- status word, interrupt clearance
constant ADDR_STREAM : natural := 16#08#; -- data stream in- and output
constant ADDR_BITS : positive := 4; -- relevant address bits (at least 4)
-- Bit Length of Pre-Placement
constant PRE_BITS : positive := 4*L*log2ceil(N)-1;
constant PRE_BYTES : positive := (PRE_BITS+7)/8;
-- FIFO Dimensioning
constant FIFO_DEPTH : positive := 5*(SOLVERS+5);
constant STATE_BITS : natural := log2ceil(FIFO_DEPTH);
----------------------------------------------------------------------------
component reset_resync is
generic (
VALUE_DURING_RESET : natural := 1
);
port (
rst_in : in std_logic;
clk_in : in std_logic;
clk_out : in std_logic;
rst_out : out std_logic
);
end component;
component pcie_ddr_user_interface is
generic (
DCM_PHASE_SHIFT : natural := 30;
DCM_PERIOD : natural := 10;
DMA_ENGINE_ENABLES : natural := 7
);
port (
reset : in std_logic;
reset_out : out std_logic;
user_clk : in std_logic;
clk_out : out std_logic;
dcm_psdone : out std_logic;
dcm_psval : out std_logic_vector(16 downto 0);
dcm_psclk : in std_logic;
dcm_psen : in std_logic;
dcm_psincdec : in std_logic;
target_address : out std_logic_vector(63 downto 0);
target_write_data : out std_logic_vector(63 downto 0);
target_write_be : out std_logic_vector(7 downto 0);
target_address_valid : out std_logic;
target_write_enable : out std_logic;
target_write_accept : in std_logic;
target_read_enable : out std_logic;
target_request_tag : out std_logic_vector(3 downto 0);
target_read_data : in std_logic_vector(63 downto 0);
target_read_accept : in std_logic;
target_read_data_tag : in std_logic_vector(3 downto 0);
target_read_data_valid : in std_logic;
target_read_ctrl : out std_logic_vector(7 downto 0);
target_read_data_ctrl : in std_logic_vector(7 downto 0);
dma0_from_host_data : out std_logic_vector(63 downto 0);
dma0_from_host_ctrl : out std_logic_vector(7 downto 0);
dma0_from_host_valid : out std_logic;
dma0_from_host_advance : in std_logic;
dma1_from_host_data : out std_logic_vector(63 downto 0);
dma1_from_host_ctrl : out std_logic_vector(7 downto 0);
dma1_from_host_valid : out std_logic;
dma1_from_host_advance : in std_logic;
dma2_from_host_data : out std_logic_vector(63 downto 0);
dma2_from_host_ctrl : out std_logic_vector(7 downto 0);
dma2_from_host_valid : out std_logic;
dma2_from_host_advance : in std_logic;
dma0_to_host_data : in std_logic_vector(63 downto 0);
dma0_to_host_ctrl : in std_logic_vector(7 downto 0);
dma0_to_host_valid : in std_logic;
dma0_to_host_almost_full : out std_logic;
dma1_to_host_data : in std_logic_vector(63 downto 0);
dma1_to_host_ctrl : in std_logic_vector(7 downto 0);
dma1_to_host_valid : in std_logic;
dma1_to_host_almost_full : out std_logic;
dma2_to_host_data : in std_logic_vector(63 downto 0);
dma2_to_host_ctrl : in std_logic_vector(7 downto 0);
dma2_to_host_valid : in std_logic;
dma2_to_host_almost_full : out std_logic;
user_interrupts : in std_logic;
pcie_fromhost_counter : out std_logic_vector(31 downto 0);
PCIE_TO_HOST_DDR : out std_logic_vector(38 downto 0);
PCIE_TO_HOST_CLK_P : out std_logic;
PCIE_TO_HOST_CLK_N : out std_logic;
PCIE_FROM_HOST_DDR : in std_logic_vector(37 downto 0);
PCIE_FROM_HOST_CLK_P : in std_logic;
PCIE_FROM_HOST_CLK_N : in std_logic
);
end component;
----------------------------------------------------------------------------
-- Global Control
signal clk_comp : std_logic;
signal rst_comp : std_logic;
signal clk_slow : std_logic;
signal rst_slow : std_logic;
-----------------------------------------------------------------------------
-- Communication FIFOs
signal acap : std_logic_vector(STATE_BITS-1 downto 0);
signal avld : std_logic;
signal aful : std_logic;
signal adin : std_logic_vector(7 downto 0);
signal aput : std_logic;
signal bavl : std_logic_vector(STATE_BITS-1 downto 0);
signal bvld : std_logic;
signal bful : std_logic;
signal bdout : std_logic_vector(7 downto 0);
signal bgot : std_logic;
begin
----------------------------------------------------------------------------
-- Clock Generation
blkClock : block
signal clk50 : std_logic;
signal clkfb : std_logic;
signal clk_compu : std_logic;
signal clk_slowu : std_logic;
begin
clk_i : BUFG
port map (
I => CLK_MBCLK,
O => clk50
);
pll : PLLE2_BASE
generic map (
CLKIN1_PERIOD => to_real(to_time(CLK_FREQ), 1 ns),
DIVCLK_DIVIDE => CLK_DIV,
CLKFBOUT_MULT => CLK_MUL,
CLKOUT0_DIVIDE => CLK_DIV_COMP,
CLKOUT1_DIVIDE => CLK_DIV_SLOW,
STARTUP_WAIT => "true"
)
port map (
RST => '0',
CLKIN1 => clk50,
CLKFBOUT => clkfb,
CLKFBIN => clkfb,
CLKOUT0 => clk_compu,
CLKOUT1 => clk_slowu,
CLKOUT2 => open,
CLKOUT3 => open,
CLKOUT4 => open,
CLKOUT5 => open,
LOCKED => open,
PWRDWN => '0'
);
clk_compo : BUFG
port map (
I => clk_compu,
O => clk_comp
);
clk_slowo : BUFG
port map (
I => clk_slowu,
O => clk_slow
);
end block;
----------------------------------------------------------------------------
-- PCIe -> Target Interface
blkPcie: block
-- Local Clock
signal pcie_clk : std_logic;
signal pcie_rst : std_logic;
-- Target Interface
-- Address
signal target_address : std_logic_vector(63 downto 0);
signal target_address_valid : std_logic;
-- Writing
signal target_write_enable : std_logic;
signal target_write_accept : std_logic;
signal target_write_data : std_logic_vector(63 downto 0);
signal target_write_be : std_logic_vector( 7 downto 0);
-- Reading
signal target_read_enable : std_logic;
signal target_read_accept : std_logic;
signal target_request_tag : std_logic_vector(3 downto 0);
signal target_read_ctrl : std_logic_vector(7 downto 0);
signal target_read_data_valid : std_logic;
signal target_read_data : std_logic_vector(63 downto 0);
signal target_read_data_tag : std_logic_vector(3 downto 0);
signal target_read_data_ctrl : std_logic_vector(7 downto 0);
-- Interrupt
signal user_interrupt : std_logic;
begin
-- Reset Recovery
resync_comp: reset_resync
port map (
rst_in => pcie_rst,
clk_in => pcie_clk,
clk_out => clk_comp,
rst_out => rst_comp
);
resync_slow: reset_resync
port map (
rst_in => pcie_rst,
clk_in => pcie_clk,
clk_out => clk_slow,
rst_out => rst_slow
);
---------------------------------------------------------------------------
-- PCIE <-> Target Interface
pcie: pcie_ddr_user_interface
generic map (
DCM_PERIOD => 6,
DCM_PHASE_SHIFT => 198
)
port map (
reset => '0',
reset_out => pcie_rst,
clk_out => pcie_clk,
user_clk => clk_slow,
PCIE_TO_HOST_DDR => bus_pcie_to_host,
PCIE_TO_HOST_CLK_P => bus_pcie_clk_out_p,
PCIE_TO_HOST_CLK_N => bus_pcie_clk_out_n,
PCIE_FROM_HOST_DDR => bus_pcie_from_host(76 downto 39),
PCIE_FROM_HOST_CLK_P => bus_pcie_clk_in_p,
PCIE_FROM_HOST_CLK_N => bus_pcie_clk_in_n,
pcie_fromhost_counter => open,
user_interrupts => user_interrupt,
target_address => target_address,
target_address_valid => target_address_valid,
target_write_enable => target_write_enable,
target_write_accept => target_write_accept,
target_write_data => target_write_data,
target_write_be => target_write_be,
target_read_enable => target_read_enable,
target_read_accept => target_read_accept,
target_request_tag => target_request_tag,
target_read_ctrl => target_read_ctrl,
target_read_data_valid => target_read_data_valid,
target_read_data => target_read_data,
target_read_data_tag => target_read_data_tag,
target_read_data_ctrl => target_read_data_ctrl,
dma0_from_host_data => open,
dma0_from_host_ctrl => open,
dma0_from_host_valid => open,
dma0_from_host_advance => '1',
dma0_to_host_data => (others => '-'),
dma0_to_host_ctrl => (others => '0'),
dma0_to_host_valid => '0',
dma0_to_host_almost_full => open,
dma1_from_host_data => open,
dma1_from_host_ctrl => open,
dma1_from_host_valid => open,
dma1_from_host_advance => '1',
dma1_to_host_data => (others => '-'),
dma1_to_host_ctrl => (others => '0'),
dma1_to_host_valid => '0',
dma1_to_host_almost_full => open,
dma2_from_host_data => open,
dma2_from_host_ctrl => open,
dma2_from_host_valid => open,
dma2_from_host_advance => '1',
dma2_to_host_data => (others => '-'),
dma2_to_host_ctrl => (others => '0'),
dma2_to_host_valid => '0',
dma2_to_host_almost_full => open,
dcm_psdone => open,
dcm_psval => open,
dcm_psclk => clk_slow,
dcm_psen => '0',
dcm_psincdec => '0'
);
---------------------------------------------------------------------------
-- Writing
target_write_accept <= '1';
aput <= target_write_enable and target_write_be(0) when
to_integer(unsigned(target_address(ADDR_BITS-1 downto 0))) = ADDR_STREAM else '0';
adin <= target_write_data(7 downto 0);
---------------------------------------------------------------------------
-- Reading
bgot <= '0' when to_integer(unsigned(target_address(ADDR_BITS-1 downto 0))) /= ADDR_STREAM else
target_read_enable;
blkRead: block
signal rdVld : std_logic := '0';
signal rdTag : std_logic_vector( 3 downto 0) := (others => '-');
signal rdCtl : std_logic_vector( 7 downto 0) := (others => '-');
signal rdDat : std_logic_vector(63 downto 0) := (others => '-');
begin
process(clk_slow)
begin
if rising_edge(clk_slow) then
rdVld <= '0';
rdTag <= (others => '-');
rdCtl <= (others => '-');
rdDat <= (others => '-');
if rst_slow = '0' then
-- Only accept word-align addresses
if target_read_enable = '1' and target_address(1 downto 0) = "00" then
rdVld <= '1';
rdTag <= target_request_tag;
rdCtl <= target_read_ctrl;
rdDat <= (others => '0');
if to_integer(unsigned(target_address(ADDR_BITS-1 downto 3))) = ADDR_STATUS/8 then
-- Query FIFO States
rdDat(STATE_BITS+31 downto 32) <= bavl; -- @4
rdDat(STATE_BITS- 1 downto 0) <= acap; -- @0
elsif bgot = '1' then
-- Read Output
rdDat(31) <= not bvld; -- @8
rdDat(7 downto 0) <= bdout;
end if;
end if;
end if;
end if;
end process;
target_read_accept <= '1';
target_read_data_valid <= rdVld;
target_read_data <= rdDat;
target_read_data_tag <= rdTag;
target_read_data_ctrl <= rdCtl;
end block blkRead;
---------------------------------------------------------------------------
-- Interrupts
blkInterrupt: block
-- Delayed FIFO Status
signal Zavld : std_logic := '0';
signal Zaful : std_logic := '0';
signal Zbvld : std_logic := '0';
signal Zbful : std_logic := '0';
-- Interrupt State
signal EnaIn : std_logic := '0'; -- Enable
signal EnaOut : std_logic := '0';
signal IrqIn : std_logic := '0'; -- Pending
signal IrqOut : std_logic := '0';
begin
process(clk_slow)
begin
if rising_edge(clk_slow) then
if rst_slow = '1' then
Zavld <= '0';
Zaful <= '0';
Zbvld <= '0';
Zbful <= '0';
EnaIn <= '0';
EnaOut <= '0';
IrqIn <= '0';
IrqOut <= '0';
else
-- Delayed Status for Edge Detection
Zavld <= avld;
Zaful <= aful;
Zbvld <= bvld;
Zbful <= bful;
-- Input IRQ: space has become available | FIFO drained
if target_write_enable = '1' and target_write_be(0) = '1' and
to_integer(unsigned(target_address(ADDR_BITS-1 downto 0))) = ADDR_STATUS then
if target_write_data(1) = '1' then
EnaIn <= '1';
elsif target_write_data(0) = '0' then
EnaIn <= '0';
end if;
if target_write_data(1) = '0' then
IrqIn <= '0';
elsif target_write_data(0) = '1' then
IrqIn <= not aful;
end if;
elsif aput = '1' then
IrqIn <= '0';
elsif aful = '0' and Zaful = '1' then
IrqIn <= EnaIn;
elsif avld = '0' and Zavld = '1' then
IrqIn <= EnaIn;
end if;
-- Output IRQ: data has become available | FIFO full
if target_write_enable = '1' and target_write_be(4) = '1' and
to_integer(unsigned(target_address(ADDR_BITS-1 downto 0))) = ADDR_STATUS+4 then
if target_write_data(33) = '1' then
EnaOut <= '1';
elsif target_write_data(32) = '0' then
EnaOut <= '0';
end if;
if target_write_data(33) = '0' then
IrqOut <= '0';
elsif target_write_data(32) = '1' then
IrqOut <= bvld;
end if;
elsif bvld = '1' and bgot = '1' then
IrqOut <= '0';
elsif bvld = '1' and Zbvld = '0' then
IrqOut <= EnaOut;
elsif bful = '1' and Zbful = '0' then
IrqOut <= EnaOut;
end if;
end if;
end if;
end process;
user_interrupt <= IrqIn or IrqOut;
end block blkInterrupt;
end block blkPcie;
----------------------------------------------------------------------------
-- Input FIFO to Ring Bus
blkFeed: block
-- Byte FIFO -> Unframe
signal glue_vld : std_logic;
signal glue_dat : byte;
signal glue_got : std_logic;
-- Unframe -> Stream FIFO
signal oful : std_logic;
signal odat : byte;
signal oeof : std_logic;
signal oput : std_logic;
signal ocommit : std_logic;
signal orollback : std_logic;
-- Stream -> Ring Bus
signal pigot : std_logic;
signal pidat : byte;
signal pieof : std_logic;
begin
-- Raw Byte Interface: no real buffer
glue: fifo_glue
generic map (
D_BITS => 8
)
port map (
clk => clk_slow,
rst => rst_slow,
put => aput,
di => adin,
ful => aful,
vld => glue_vld,
do => glue_dat,
got => glue_got
);
-- Frame Extraction
unframe_i: entity work.unframe
generic map (
SENTINEL => SENTINEL,
PAY_LEN => PRE_BYTES
)
port map (
clk => clk_slow,
rst => rst_slow,
rx_dat => glue_dat,
rx_vld => glue_vld,
rx_got => glue_got,
odat => odat,
oeof => oeof,
oful => oful,
oput => oput,
ocommit => ocommit,
orollback => orollback
);
buf: fifo_cc_got_tempput
generic map (
D_BITS => 9,
MIN_DEPTH => FIFO_DEPTH,
ESTATE_WR_BITS => STATE_BITS
)
port map (
clk => clk_slow,
rst => rst_slow,
put => oput,
din(8) => oeof,
din(7 downto 0) => odat,
full => oful,
commit => ocommit,
rollback => orollback,
estate_wr => acap,
got => pigot,
dout(8) => pieof,
dout(7 downto 0) => pidat,
valid => avld
);
blkBus: block
-- Syncing the stall input
signal stall_s : std_logic_vector(1 downto 0) := (others => '1');
-- Outgoing Output Registers
signal OutDat : std_logic_vector(7 downto 0) := (others => '0');
signal OutEof : std_logic := '0';
signal OutPut : std_logic := '0';
-- Inverted Output Clock
signal clk_inv : std_logic;
begin
-------------------------------------------------------------------------
-- Output Inverted Clock
blkClock : block
signal clk_inv : std_logic;
begin
invert : ODDR
generic map(
DDR_CLK_EDGE => "OPPOSITE_EDGE",
INIT => '1',
SRTYPE => "SYNC"
)
port map (
Q => clk_inv, -- 1-bit DDR output
C => clk_slow, -- 1-bit clock input
CE => '1', -- 1-bit clock enable input
D1 => '0', -- 1-bit data input (positive edge)
D2 => '1', -- 1-bit data input (negative edge)
R => rst_slow, -- 1-bit reset input
S => '0' -- 1-bit set input
);
OBUFDS_inst : OBUFDS
generic map (
IOSTANDARD => "DEFAULT",
SLEW => "FAST"
)
port map (
O => BUS_OUT_CLKP,
OB => BUS_OUT_CLKN,
I => clk_inv
);
end block blkClock;
-------------------------------------------------------------------------
-- Pre-placement Output
-- Syncing stall input
process(clk_slow)
begin
if rising_edge(clk_slow) then
if rst_slow = '1' then
stall_s <= (others => '1');
else
stall_s <= BUS_OUT_PRE_STALL & stall_s(stall_s'left downto 1);
end if;
end if;
end process;
pigot <= avld and not stall_s(0);
-- Output Registers
process(clk_slow)
begin
if rising_edge(clk_slow) then
if rst_slow = '1' then
OutDat <= (others => '0');
OutEof <= '0';
OutPut <= '0';
else
OutDat <= pidat;
OutEof <= pieof;
OutPut <= pigot;
end if;
end if;
end process;
BUS_OUT_PRE_DAT <= OutEof & OutDat;
BUS_OUT_PRE_PUT <= OutPut;
-------------------------------------------------------------------------
-- Start of Result Chain
BUS_OUT_SOL_DAT <= (others => '0');
BUS_OUT_SOL_PUT <= '0';
end block blkBus;
end block blkFeed;
blkDrain: block
-- Source synchronous clock domain
signal clk_in : std_logic;
signal rst_in : std_logic;
-- Incoming Bus Data Capture Registers
signal InPreDat : std_logic_vector(8 downto 0) := (others => '-');
signal InPrePut : std_logic := '0';
signal InPreCap : std_logic_vector(1 downto 0);
signal InSolDat : std_logic_vector(8 downto 0) := (others => '-');
signal InSolPut : std_logic := '0';
signal InSolCap : std_logic_vector(1 downto 0);
-- Solver Chain Connectivity
signal pivld : std_logic;
signal piful : std_logic;
signal pidat : byte;
signal pieof : std_logic;
signal piput : std_logic;
signal sivld : std_logic;
signal sidat : byte;
signal sieof : std_logic;
signal sigot : std_logic;
signal sovld : std_logic;
signal sodat : byte;
signal soeof : std_logic;
signal sogot : std_logic;
-- Solution Stream -> Frames
signal tx_dat : std_logic_vector(7 downto 0);
signal tx_ful : std_logic;
signal tx_put : std_logic;
begin
---------------------------------------------------------------------------
-- Reading the Bus
-- Clock Reconstruction
blkClock: block
signal clk_in0 : std_logic;
begin
IBUFGDS_inst : IBUFGDS
port map (
O => clk_in0,
I => BUS_IN_CLKP,
IB => BUS_IN_CLKN
);
BUFG_inst : BUFG
port map (
O => clk_in,
I => clk_in0
);
rst_in <= '0';
end block blkClock;
-- Bus Input Capture
process(clk_in)
begin
if rising_edge(clk_in) then
if rst_in = '1' then
InPreDat <= (others => '-');
InPrePut <= '0';
InSolDat <= (others => '-');
InSolPut <= '0';
else
InPreDat <= BUS_IN_PRE_DAT;
InPrePut <= BUS_IN_PRE_PUT;
InSolDat <= BUS_IN_SOL_DAT;
InSolPut <= BUS_IN_SOL_PUT;
end if;
end if;
end process;
-- Input FIFO (ic): Pre-Placements
buf_pre : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InPreCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InPrePut,
din => InPreDat,
full => open,
estate_wr => InPreCap,
clk_rd => clk_comp,
rst_rd => rst_comp,
got => piput,
dout(8) => pieof,
dout(7 downto 0) => pidat,
valid => pivld
);
piput <= pivld and not piful;
BUS_IN_PRE_STALL <= '1' when InPreCap = (InPreCap'range => '0') else '0';
-- Input FIFO (ic): Solutions
buf_sol : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InSolCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InSolPut,
din => InSolDat,
full => open,
estate_wr => InSolCap,
clk_rd => clk_comp,
rst_rd => rst_comp,
got => sigot,
dout(8) => sieof,
dout(7 downto 0) => sidat,
valid => sivld
);
BUS_IN_SOL_STALL <= '1' when InSolCap = (InSolCap'range => '0') else '0';
---------------------------------------------------------------------------
-- Solver Chain
chain: entity work.queens_chain
generic map (
N => N,
L => L,
SOLVERS => SOLVERS,
COUNT_CYCLES => COUNT_CYCLES
)
port map (
clk => clk_comp,
rst => rst_comp,
piful => piful,
pidat => pidat,
pieof => pieof,
piput => piput,
sivld => sivld,
sidat => sidat,
sieof => sieof,
sigot => sigot,
poful => '1',
podat => open,
poeof => open,
poput => open,
sovld => sovld,
sodat => sodat,
soeof => soeof,
sogot => sogot
);
enframe_i: entity work.enframe
generic map (
SENTINEL => SENTINEL
)
port map (
clk => clk_comp,
rst => rst_comp,
ivld => sovld,
idat => sodat,
ieof => soeof,
igot => sogot,
tx_ful => tx_ful,
tx_put => tx_put,
tx_dat => tx_dat
);
-- Output FIFO (ic): Solutions
fifob : fifo_ic_got
generic map (
D_BITS => 8,
MIN_DEPTH => FIFO_DEPTH,
FSTATE_RD_BITS => STATE_BITS
)
port map (
clk_wr => clk_comp,
rst_wr => rst_comp,
put => tx_put,
din => tx_dat,
full => tx_ful,
clk_rd => clk_slow,
rst_rd => rst_slow,
got => bgot,
dout => bdout,
valid => bvld,
fstate_rd => bavl
);
end block blkDrain;
end rtl;
| agpl-3.0 | e0bbd69eccd385ca2a3cbf7d58d548dd | 0.479182 | 3.763339 | false | false | false | false |
viccuad/fpga-thingies | cronometer/debouncer.vhd | 1 | 2,643 | LIBRARY IEEE;
USE IEEE.std_logic_1164.ALL;
USE IEEE.std_logic_unsigned.ALL;
ENTITY debouncer IS
PORT (
rst: IN std_logic;
clk: IN std_logic;
x: IN std_logic;
xDeb: OUT std_logic;
xDebFallingEdge: OUT std_logic;
xDebRisingEdge: OUT std_logic
);
END debouncer;
ARCHITECTURE debouncerArch of debouncer is
SIGNAL xSync: std_logic;
SIGNAL startTimer, timerEnd: std_logic;
BEGIN
synchronizer:
PROCESS (rst, clk)
VARIABLE aux1: std_logic;
BEGIN
IF (rst='0') THEN
aux1 := '1';
xSync <= '1';
ELSIF (clk'EVENT AND clk='1') THEN
xSync <= aux1;
aux1 := x;
END IF;
END PROCESS synchronizer;
timer:
-- espera 50 ms para un reloj a 12.5 MHz
PROCESS (rst, clk)
CONSTANT timeOut: std_logic_vector (21 DOWNTO 0) := "1001100010010110100000";
VARIABLE count: std_logic_vector (21 DOWNTO 0);
BEGIN
IF (count=timeOut) THEN
timerEnd <= '1';
ELSE
timerEnd <= '0';
END IF;
IF (rst='0') THEN
count := timeOut;
ELSIF (clk'EVENT AND clk='1') THEN
IF (startTimer='1') THEN
count := (OTHERS=>'0');
ELSIF (timerEnd='0') THEN
count := count + 1;
END IF;
END IF;
END PROCESS timer;
controller:
PROCESS (xSync, rst, clk)
TYPE states IS (waitingPression, pressionDebouncing, waitingDepression, depressionDebouncing);
VARIABLE state: states;
BEGIN
xDeb <= '1';
xDebFallingEdge <= '0';
xDebRisingEdge <= '0';
startTimer <= '0';
CASE state IS
WHEN waitingPression =>
IF (xSync='0') THEN
xDebFallingEdge <= '1';
startTimer <= '1';
END IF;
WHEN pressionDebouncing =>
xDeb <= '0';
WHEN waitingDepression =>
xDeb <= '0';
IF (xSync='1') THEN
xDebRisingEdge <= '1';
startTimer <= '1';
END IF;
WHEN depressionDebouncing =>
NULL;
END CASE;
IF (rst='0') THEN
state := waitingPression;
ELSIF (clk'EVENT AND clk='1') THEN
CASE state IS
WHEN waitingPression =>
IF (xSync='0') THEN
state := pressionDebouncing;
END IF;
WHEN pressionDebouncing =>
IF (timerEnd='1') THEN
state := waitingDepression;
END IF;
WHEN waitingDepression =>
IF (xSync='1') THEN
state := depressionDebouncing;
END IF;
WHEN depressionDebouncing =>
IF (timerEnd='1') THEN
state := waitingPression;
END IF;
END CASE;
END IF;
END PROCESS controller;
END debouncerArch;
| gpl-3.0 | 5e3cca487ce1f6ec82745d503eb9aa13 | 0.565645 | 3.944776 | false | false | false | false |
preusser/q27 | src/vhdl/top/xilinx/xupv5_queens_uart.vhdl | 1 | 4,404 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-------------------------------------------------------------------------------
-- This file is part of the Queens@TUD solver suite
-- for enumerating and counting the solutions of an N-Queens Puzzle.
--
-- Copyright (C) 2008-2015
-- Thomas B. Preusser <[email protected]>
-------------------------------------------------------------------------------
-- This design is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published
-- by the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this design. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------------
library IEEE;
use IEEE.std_logic_1164.all;
entity xupv5_queens_uart is
generic (
N : positive := 27;
L : positive := 2;
SOLVERS : positive := 52;
COUNT_CYCLES : boolean := false;
CLK_FREQ : positive := 100000000;
CLK_MUL : positive := 25;
CLK_DIV : positive := 14;
BAUDRATE : positive := 115200;
SENTINEL : std_logic_vector(7 downto 0) := x"FA" -- Start Byte
);
port (
clkx : in std_logic;
rstx : in std_logic;
rx : in std_logic;
tx : out std_logic;
leds : out std_logic_vector(0 to 7)
);
end xupv5_queens_uart;
library IEEE;
use IEEE.numeric_std.all;
library UNISIM;
use UNISIM.vcomponents.all;
architecture rtl of xupv5_queens_uart is
-- Global Control
signal clk : std_logic;
signal rst : std_logic;
-- Solver Status
signal avail : std_logic;
begin
-----------------------------------------------------------------------------
-- Generate Global Controls
blkGlobal: block is
signal clk_u : std_logic; -- Unbuffered Synthesized Clock
signal rst_s : std_logic_vector(1 downto 0) := (others => '0');
begin
DCM0 : DCM_BASE
generic map (
CLKIN_PERIOD => 1000000000.0/real(CLK_FREQ),
CLKIN_DIVIDE_BY_2 => FALSE,
PHASE_SHIFT => 0,
CLKFX_MULTIPLY => CLK_MUL,
CLKFX_DIVIDE => CLK_DIV,
CLKOUT_PHASE_SHIFT => "NONE",
CLK_FEEDBACK => "NONE", -- only using clkfx
DLL_FREQUENCY_MODE => "HIGH",
DFS_FREQUENCY_MODE => "HIGH",
DUTY_CYCLE_CORRECTION => TRUE,
STARTUP_WAIT => TRUE -- Delay until DCM LOCK
)
port map (
CLK0 => open,
CLK180 => open,
CLK270 => open,
CLK2X => open,
CLK2X180 => open,
CLK90 => open,
CLKDV => open,
CLKFX => clk_u,
CLKFX180 => open,
LOCKED => open,
CLKFB => '0',
CLKIN => clkx,
RST => '0'
);
clk_buf : BUFG
port map (
I => clk_u,
O => clk
);
-- Reset Synchronization
process(clk)
begin
if rising_edge(clk) then
rst_s <= (not rstx) & rst_s(rst_s'left downto 1);
end if;
end process;
rst <= rst_s(0);
end block blkGlobal;
----------------------------------------------------------------------------
-- Solver Chain
chain: entity work.queens_uart
generic map (
N => N,
L => L,
SOLVERS => SOLVERS,
COUNT_CYCLES => COUNT_CYCLES,
CLK_FREQ => integer((real(CLK_MUL)*real(CLK_FREQ))/real(CLK_DIV)),
BAUDRATE => BAUDRATE,
SENTINEL => SENTINEL
)
port map (
clk => clk,
rst => rst,
rx => rx,
tx => tx,
avail => avail
);
----------------------------------------------------------------------------
-- Basic Status Output
leds <= std_logic_vector(to_unsigned((SOLVERS mod (2**(leds'length-1)-1))+1, leds'length-1)) & avail;
end rtl;
| agpl-3.0 | 0a51b1c82c035509d28ad574df0f87aa | 0.50931 | 4.115888 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_fdiv_fadd.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 3;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 0;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 7eac373ccecc914faa048086d4747c18 | 0.567707 | 3.729005 | false | false | false | false |
dtysky/LD3320_AXI | src/VOICE_ROM_INIT/blk_mem_gen_v8_2/hdl/blk_mem_gen_bindec.vhd | 2 | 10,218 | `protect begin_protected
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`protect encrypt_agent = "XILINX"
`protect encrypt_agent_info = "Xilinx Encryption Tool 2014"
`protect key_keyowner = "Cadence Design Systems.", key_keyname= "cds_rsa_key", key_method = "rsa"
`protect encoding = (enctype = "BASE64", line_length = 76, bytes = 64)
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`protect end_protected
| mit | 755aafd6055cb72c60fdc99e097ce1a8 | 0.925034 | 1.903148 | false | false | false | false |
wltr/cern-fgclite | nanofip_fpga/src/rtl/nanofip/wf_tx_osc.vhd | 1 | 12,737 | --_________________________________________________________________________________________________
-- |
-- |The nanoFIP| |
-- |
-- CERN,BE/CO-HT |
--________________________________________________________________________________________________|
---------------------------------------------------------------------------------------------------
-- |
-- wf_tx_osc |
-- |
---------------------------------------------------------------------------------------------------
-- File wf_tx_osc.vhd |
-- |
-- Description Generation of the clock signals needed for the FIELDRIVE transmission. |
-- |
-- The unit generates the nanoFIP FIELDRIVE output FD_TXCK (line driver half bit |
-- clock) and the nanoFIP internal signal tx_sched_p_buff: |
-- |
-- uclk : _|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-|_|-| |
-- FD_TXCK : _____|--------...--------|________...________|--------...--- |
-- tx_sched_p_buff(3): 0 0 0 1 0 0 0 1 |
-- tx_sched_p_buff(2): 0 0 1 0 0 0 1 0 |
-- tx_sched_p_buff(1): 0 1 0 0 0 1 0 0 |
-- tx_sched_p_buff(0): 1 0 0 0 1 0 0 0 |
-- |
-- Authors Pablo Alvarez Sanchez ([email protected]) |
-- Evangelia Gousiou ([email protected]) |
-- Date 14/02/2011 |
-- Version v0.04 |
-- Depends on wf_reset_unit |
---------------- |
-- Last changes |
-- 08/2009 v0.01 PS Entity Ports added, start of architecture content |
-- 07/2010 v0.02 EG tx counter changed from 20 bits signed, to 11 bits unsigned; |
-- c_TX_SCHED_BUFF_LGTH got 1 bit more |
-- 12/2010 v0.03 EG code cleaned-up |
-- 01/2011 v0.04 EG wf_tx_osc as different unit; use of wf_incr_counter;added tx_osc_rst_p_i
---------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE |
-- ------------------------------------ |
-- This source file is free software; you can redistribute it and/or modify it under the terms of |
-- the GNU Lesser General Public License as published by the Free Software Foundation; either |
-- version 2.1 of the License, or (at your option) any later version. |
-- This source is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
-- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
-- See the GNU Lesser General Public License for more details. |
-- You should have received a copy of the GNU Lesser General Public License along with this |
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html |
---------------------------------------------------------------------------------------------------
--=================================================================================================
-- Libraries & Packages
--=================================================================================================
-- Standard library
library IEEE;
use IEEE.STD_LOGIC_1164.all; -- std_logic definitions
use IEEE.NUMERIC_STD.all; -- conversion functions
-- Specific library
library work;
use work.WF_PACKAGE.all; -- definitions of types, constants, entities
--=================================================================================================
-- Entity declaration for wf_tx_osc
--=================================================================================================
entity wf_tx_osc is
port (
-- INPUTS
-- nanoFIP User Interface, General signals
uclk_i : in std_logic; -- 40 MHz clock
rate_i : in std_logic_vector (1 downto 0); -- WorldFIP bit rate
-- Signal from the wf_reset_unit
nfip_rst_i : in std_logic; -- nanoFIP internal reset
-- Signals from the wf_engine_control
tx_osc_rst_p_i : in std_logic; -- transmitter timeout
-- OUTPUTS
-- nanoFIP FIELDRIVE output
tx_clk_o : out std_logic; -- line driver half bit clock
-- Signal to the wf_tx_serializer unit
tx_sched_p_buff_o : out std_logic_vector (c_TX_SCHED_BUFF_LGTH -1 downto 0));
-- buffer of pulses used for the scheduling
-- of the actions of the wf_tx_serializer
end entity wf_tx_osc;
--=================================================================================================
-- architecture declaration
--=================================================================================================
architecture rtl of wf_tx_osc is
-- transmission periods counter
signal s_period_c, s_period : unsigned (c_PERIODS_COUNTER_LGTH -1 downto 0);
signal s_one_forth_period : unsigned (c_PERIODS_COUNTER_LGTH -1 downto 0);
signal s_period_c_is_full, s_period_c_reinit : std_logic;
-- clocks
signal s_tx_clk_d1, s_tx_clk, s_tx_clk_p : std_logic;
signal s_tx_sched_p_buff : std_logic_vector (c_TX_SCHED_BUFF_LGTH-1 downto 0);
--=================================================================================================
-- architecture begin
--=================================================================================================
begin
---------------------------------------------------------------------------------------------------
-- Periods Counter --
---------------------------------------------------------------------------------------------------
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
s_period <= c_BIT_RATE_UCLK_TICKS(to_integer(unsigned(rate_i)));-- # uclk ticks for a
-- transmission period
s_one_forth_period <= s_period srl 2; -- 1/4 s_period
s_period_c_is_full <= '1' when s_period_c = s_period -1 else '0'; -- counter full
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- Instantiation of a wf_incr_counter counting transmission periods.
tx_periods_count: wf_incr_counter
generic map(g_counter_lgth => c_PERIODS_COUNTER_LGTH)
port map(
uclk_i => uclk_i,
counter_reinit_i => s_period_c_reinit,
counter_incr_i => '1',
counter_is_full_o => open,
------------------------------------------
counter_o => s_period_c);
------------------------------------------
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- counter reinitialized : if the nfip_rst_i is active or
-- if the tx_osc_rst_p_i is active or
-- if it fills up
s_period_c_reinit <= nfip_rst_i or tx_osc_rst_p_i or s_period_c_is_full;
---------------------------------------------------------------------------------------------------
-- Clocks Construction --
---------------------------------------------------------------------------------------------------
-- Concurrent signals assignments and a synchronous process that use
-- the s_period_c to construct the tx_clk_o clock and the buffer of pulses tx_sched_p_buff_o.
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- Creation of the clock for the transmitter with period: 1/2 transmission period
s_tx_clk <= '1' when ((s_period_c < s_one_forth_period) or
((s_period_c > (2*s_one_forth_period)-1) and
(s_period_c < 3*s_one_forth_period)))
else '0';
-- transm. period : _|-----------|___________|--
-- tx_counter : 0 1/4 1/2 3/4 1
-- s_tx_clk : _|-----|_____|-----|_____|--
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- Edge detector for s_tx_clk
s_tx_clk_p <= s_tx_clk and (not s_tx_clk_d1);
-- s_tx_clk : _|-----|_____|-----|_____
-- tx_clk_o/ s_tx_clk_d1: ___|-----|_____|-----|___
-- not s_tx_clk_d1 : ---|_____|-----|_____|---
-- s_tx_clk_p : _|-|___|-|___|-|___|-|___
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
clk_Signals_Construction: process (uclk_i)
begin
if rising_edge (uclk_i) then
if (nfip_rst_i = '1') or (tx_osc_rst_p_i = '1') then
s_tx_sched_p_buff <= (others => '0');
s_tx_clk_d1 <= '0';
else
s_tx_clk_d1 <= s_tx_clk;
s_tx_sched_p_buff <= s_tx_sched_p_buff (s_tx_sched_p_buff'left-1 downto 0) & s_tx_clk_p;
-- buffering of the s_tx_clk_p pulses
end if;
end if;
end process;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- Output signals
tx_clk_o <= s_tx_clk_d1;
tx_sched_p_buff_o <= s_tx_sched_p_buff;
end architecture rtl;
--=================================================================================================
-- architecture end
--=================================================================================================
---------------------------------------------------------------------------------------------------
-- E N D O F F I L E
--------------------------------------------------------------------------------------------------- | mit | f5446c81c184739860128388445b44d6 | 0.28217 | 5.148343 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_fadd_fmul_LMEM.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 14de120d09595a397e92ed0aa2747f78 | 0.567707 | 3.729005 | false | false | false | false |
kennethlyn/fpga-image-example | hdl_nodes/adder/adder.srcs/sources_1/dyplo_user_logic_adder.vhd | 1 | 5,765 | -- File: dyplo_user_logic_stub.vhd
--
-- � COPYRIGHT 2014 TOPIC EMBEDDED PRODUCTS B.V. ALL RIGHTS RESERVED.
--
-- This file contains confidential and proprietary information of
-- Topic Embedded Products B.V. and is protected under Dutch and
-- International copyright and other international intellectual property laws.
--
-- Disclaimer
--
-- This disclaimer is not a license and does not grant any rights to the
-- materials distributed herewith. Except as otherwise provided in a valid
-- license issued to you by Topic Embedded Products B.V., and to the maximum
-- extend permitted by applicable law:
--
-- 1. Dyplo is furnished on an �as is�, as available basis. Topic makes no
-- warranty, express or implied, with respect to the capability of Dyplo. All
-- warranties of any type, express or implied, including the warranties of
-- merchantability, fitness for a particular purpose and non-infringement of
-- third party rights are expressly disclaimed.
--
-- 2. Topic�s maximum total liability shall be limited to general money
-- damages in an amount not to exceed the total amount paid for in the year
-- in which the damages have occurred. Under no circumstances including
-- negligence shall Topic be liable for direct, indirect, incidental, special,
-- consequential or punitive damages, or for loss of profits, revenue, or data,
-- that are directly or indirectly related to the use of, or the inability to
-- access and use Dyplo and related services, whether in an action in contract,
-- tort, product liability, strict liability, statute or otherwise even if
-- Topic has been advised of the possibility of those damages.
--
-- This copyright notice and disclaimer must be retained as part of this file at all times.
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library dyplo_hdl_node_lib;
use dyplo_hdl_node_lib.hdl_node_package.all;
use dyplo_hdl_node_lib.hdl_node_user_params.all;
entity dyplo_user_logic_adder is
generic(
INPUT_STREAMS : integer := 4;
OUTPUT_STREAMS : integer := 4
);
port(
-- Processor bus interface
dab_clk : in std_logic;
dab_rst : in std_logic;
dab_addr : in std_logic_vector(15 DOWNTO 0);
dab_sel : in std_logic;
dab_wvalid : in std_logic;
dab_rvalid : in std_logic;
dab_wdata : in std_logic_vector(c_hdl_dab_dwidth - 1 downto 0);
dab_rdata : out std_logic_vector(c_hdl_dab_dwidth - 1 downto 0);
-- Streaming input interfaces
cin_tdata : in cin_tdata_ul_type;
cin_tvalid : in std_logic_vector(INPUT_STREAMS - 1 downto 0);
cin_tready : out std_logic_vector(INPUT_STREAMS - 1 downto 0);
cin_tlevel : in cin_tlevel_ul_type;
-- Streaming output interfaces
cout_tdata : out cout_tdata_ul_type;
cout_tvalid : out std_logic_vector(OUTPUT_STREAMS - 1 downto 0);
cout_tready : in std_logic_vector(OUTPUT_STREAMS - 1 downto 0);
-- Clock signals
user_clocks : in std_logic_vector(3 downto 0)
);
end dyplo_user_logic_adder;
architecture rtl of dyplo_user_logic_adder is
type signed_matrix_4x32 is array (0 to INPUT_STREAMS - 1) of signed(31 downto 0);
signal value_to_add : signed_matrix_4x32;
signal cout_tdata_i : signed_matrix_4x32 := (others => (others => '0'));
signal cout_tvalid_i : std_logic_vector(OUTPUT_STREAMS - 1 downto 0) := (others => '0');
signal cin_tready_i : std_logic_vector(INPUT_STREAMS - 1 downto 0) := (others => '0');
begin
config_reg : process (dab_clk)
variable index : integer;
begin
if rising_edge(dab_clk) then
if (dab_rst = '1') then
value_to_add <= (others => (others => '0'));
else
index := to_integer(unsigned(dab_addr(3 downto 2)));
if (dab_sel = '1') and (dab_wvalid = '1') then
value_to_add(index) <= signed(dab_wdata);
end if;
dab_rdata <= std_logic_vector(value_to_add(index));
end if;
end if;
end process config_reg;
adders : for i in 0 to 3 generate
type sm_calc_states is (S_FETCH, S_CALC, S_SEND, S_FINISH);
signal sm_calc : sm_calc_states := S_FETCH;
signal tdata : signed(31 downto 0) := (others => '0');
begin
calc_data : process (dab_clk)
begin
if rising_edge(dab_clk) then
if (dab_rst = '1') then
cin_tready_i(i) <= '0';
tdata <= (others => '0');
sm_calc <= S_FETCH;
cout_tvalid_i(i) <= '0';
else
case sm_calc is
when S_FETCH =>
if (cin_tvalid(i) = '1') then
cin_tready_i(i) <= '1';
tdata <= signed(cin_tdata(i));
sm_calc <= S_CALC;
end if;
when S_CALC =>
cin_tready_i(i) <= '0';
cout_tdata_i(i) <= tdata + value_to_add(i);
cout_tvalid_i(i) <= '1';
sm_calc <= S_SEND;
when S_SEND =>
if (cout_tready(i) = '1') then
cout_tvalid_i(i) <= '0';
sm_calc <= S_FINISH;
end if;
when S_FINISH =>
sm_calc <= S_FETCH;
end case;
end if;
end if;
end process calc_data;
end generate adders;
cout_tvalid <= cout_tvalid_i;
cin_tready <= cin_tready_i;
cout_tdata(0) <= std_logic_vector(cout_tdata_i(0));
cout_tdata(1) <= std_logic_vector(cout_tdata_i(1));
cout_tdata(2) <= std_logic_vector(cout_tdata_i(2));
cout_tdata(3) <= std_logic_vector(cout_tdata_i(3));
end rtl;
| gpl-2.0 | 9686c6a74fcedd114484c1dc2b6506cf | 0.601876 | 3.523256 | false | false | false | false |
dtysky/LD3320_AXI | src/VOICE_ROM_INIT/blk_mem_gen_v8_2/hdl/blk_mem_gen_prim_width.vhd | 2 | 71,859 | `protect begin_protected
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`protect end_protected
| mit | 95f62ef4a2158c73890aec60bd92daa8 | 0.951767 | 1.8415 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_4_CACHE_WORDS.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 2;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | b1e1ad1e8b6f4cd7100178c94a0b473b | 0.567707 | 3.729005 | false | false | false | false |
wltr/cern-fgclite | critical_fpga/src/rtl/cf/nf/nf_tx_registers.vhd | 1 | 7,537 | -------------------------------------------------------------------------------
--! @file nf_tx_registers.vhd
--! @author Johannes Walter <[email protected]>
--! @copyright CERN TE-EPC-CCE
--! @date 2014-07-23
--! @brief NanoFIP transmitter registers.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library work;
use work.nf_pkg.all;
--! @brief Entity declaration of nf_tx_registers
--! @details
--! FGClite is sending 60 bytes of status registers as part of it's response
--! to the gateway.
entity nf_tx_registers is
port (
--! @name Clock and resets
--! @{
--! System clock
clk_i : in std_ulogic;
--! Asynchronous active-low reset
rst_asy_n_i : in std_ulogic;
--! Synchronous active-high reset
rst_syn_i : in std_ulogic;
--! @}
--! @name NanoFIP read interface
--! @{
--! Read enable
rd_en_i : in std_ulogic;
--! Address
addr_i : in std_ulogic_vector(5 downto 0);
--! Data
data_o : out std_ulogic_vector(7 downto 0);
--! Data enable
data_en_o : out std_ulogic;
--! @}
--! @name Registers
--! @{
--! FGClite status
status_i : in nf_status_t);
--! @}
end entity nf_tx_registers;
--! RTL implementation of nf_tx_registers
architecture rtl of nf_tx_registers is
---------------------------------------------------------------------------
--! @name Types and Constants
---------------------------------------------------------------------------
--! @{
type reg_t is array (0 to 2**addr_i'length - 1) of std_ulogic_vector(data_o'range);
--! @}
---------------------------------------------------------------------------
--! @name Internal Registers
---------------------------------------------------------------------------
--! @{
signal reg : reg_t;
signal data : std_ulogic_vector(data_o'range);
signal data_en : std_ulogic;
--! @}
begin -- architecture rtl
---------------------------------------------------------------------------
-- Outputs
---------------------------------------------------------------------------
data_o <= data;
data_en_o <= data_en;
---------------------------------------------------------------------------
-- Registers
---------------------------------------------------------------------------
regs : process (clk_i, rst_asy_n_i) is
procedure reset is
begin
reg <= (others => (others => '0'));
data <= (others => '0');
data_en <= '0';
end procedure reset;
begin -- process regs
if rst_asy_n_i = '0' then
reset;
elsif rising_edge(clk_i) then
if rst_syn_i = '1' then
reset;
else
--Defaults
data_en <= '0';
if rd_en_i = '1' then
data <= reg(to_integer(unsigned(addr_i)));
data_en <= '1';
end if;
if status_i.adc_acc_vs_0_en = '1' then
reg(0) <= status_i.adc_acc_vs_0(7 downto 0);
reg(1) <= status_i.adc_acc_vs_0(15 downto 8);
reg(2) <= status_i.adc_acc_vs_0(23 downto 16);
reg(3) <= status_i.adc_acc_vs_0(31 downto 24);
end if;
if status_i.adc_acc_vs_1_en = '1' then
reg(4) <= status_i.adc_acc_vs_1(7 downto 0);
reg(5) <= status_i.adc_acc_vs_1(15 downto 8);
reg(6) <= status_i.adc_acc_vs_1(23 downto 16);
reg(7) <= status_i.adc_acc_vs_1(31 downto 24);
end if;
if status_i.adc_acc_ia_0_en = '1' then
reg(8) <= status_i.adc_acc_ia_0(7 downto 0);
reg(9) <= status_i.adc_acc_ia_0(15 downto 8);
reg(10) <= status_i.adc_acc_ia_0(23 downto 16);
reg(11) <= status_i.adc_acc_ia_0(31 downto 24);
end if;
if status_i.adc_acc_ia_1_en = '1' then
reg(12) <= status_i.adc_acc_ia_1(7 downto 0);
reg(13) <= status_i.adc_acc_ia_1(15 downto 8);
reg(14) <= status_i.adc_acc_ia_1(23 downto 16);
reg(15) <= status_i.adc_acc_ia_1(31 downto 24);
end if;
if status_i.adc_acc_ib_0_en = '1' then
reg(16) <= status_i.adc_acc_ib_0(7 downto 0);
reg(17) <= status_i.adc_acc_ib_0(15 downto 8);
reg(18) <= status_i.adc_acc_ib_0(23 downto 16);
reg(19) <= status_i.adc_acc_ib_0(31 downto 24);
end if;
if status_i.adc_acc_ib_1_en = '1' then
reg(20) <= status_i.adc_acc_ib_1(7 downto 0);
reg(21) <= status_i.adc_acc_ib_1(15 downto 8);
reg(22) <= status_i.adc_acc_ib_1(23 downto 16);
reg(23) <= status_i.adc_acc_ib_1(31 downto 24);
end if;
if status_i.dim_a_trig_lat_en = '1' then
reg(24) <= status_i.dim_a_trig_lat(7 downto 0);
reg(25) <= status_i.dim_a_trig_lat(15 downto 8);
end if;
if status_i.dim_a_trig_unl_en = '1' then
reg(26) <= status_i.dim_a_trig_unl(7 downto 0);
reg(27) <= status_i.dim_a_trig_unl(15 downto 8);
end if;
if status_i.dim_a1_ana_0_en = '1' then
reg(28) <= status_i.dim_a1_ana_0(7 downto 0);
reg(29) <= status_i.dim_a1_ana_0(15 downto 8);
end if;
if status_i.dim_a1_ana_1_en = '1' then
reg(30) <= status_i.dim_a1_ana_1(7 downto 0);
reg(31) <= status_i.dim_a1_ana_1(15 downto 8);
end if;
if status_i.dim_a1_ana_2_en = '1' then
reg(32) <= status_i.dim_a1_ana_2(7 downto 0);
reg(33) <= status_i.dim_a1_ana_2(15 downto 8);
end if;
if status_i.dim_a1_ana_3_en = '1' then
reg(34) <= status_i.dim_a1_ana_3(7 downto 0);
reg(35) <= status_i.dim_a1_ana_3(15 downto 8);
end if;
if status_i.cycle_period_en = '1' then
reg(36) <= status_i.cycle_period(7 downto 0);
reg(37) <= status_i.cycle_period(15 downto 8);
reg(38) <= status_i.cycle_period(23 downto 16);
reg(39) <= status_i.cycle_period(31 downto 24);
end if;
if status_i.version_cfnf_en = '1' then
reg(40) <= status_i.version_cfnf(7 downto 0);
end if;
if status_i.version_xfpf_en = '1' then
reg(41) <= status_i.version_xfpf(7 downto 0);
end if;
if status_i.adc_log_idx_en = '1' then
reg(42) <= status_i.adc_log_idx(7 downto 0);
reg(43) <= status_i.adc_log_idx(15 downto 8);
end if;
if status_i.dim_log_idx_en = '1' then
reg(44) <= status_i.dim_log_idx(7 downto 0);
reg(45) <= status_i.dim_log_idx(15 downto 8);
end if;
if status_i.vs_dig_in_en = '1' then
reg(46) <= status_i.vs_dig_in(7 downto 0);
reg(47) <= status_i.vs_dig_in(15 downto 8);
end if;
if status_i.vs_dig_out_en = '1' then
reg(48) <= status_i.vs_dig_out;
end if;
if status_i.seu_count_en = '1' then
reg(49) <= status_i.seu_count;
end if;
if status_i.fgc_status_en = '1' then
reg(50) <= status_i.fgc_status(7 downto 0);
reg(51) <= status_i.fgc_status(15 downto 8);
end if;
if status_i.backplane_en = '1' then
reg(52) <= status_i.backplane;
end if;
if status_i.serial_data_en = '1' then
reg(53 + to_integer(unsigned(status_i.serial_num))) <= status_i.serial_data;
end if;
end if;
end if;
end process regs;
end architecture rtl;
| mit | 36bf44d5698aad2a6ccb6b1b404cb241 | 0.476051 | 3.219564 | false | false | false | false |
malkadi/FGPU | RTL/CU_scheduler.vhd | 1 | 53,659 | -- libraries -------------------------------------------------------------------------------------------{{{
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library work;
use work.all;
use work.FGPU_definitions.all;
---------------------------------------------------------------------------------------------------------}}}
entity CU_scheduler is --- {{{
port(
clk, nrst : in std_logic;
-- output status signals
wf_active : out std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
-- for Work-Group Dispatcher
sch_rqst : in std_logic; -- high to begin scheduling a new WG
sch_ack : out std_logic := '0'; -- high while scheduling a new WG
sch_rqst_n_wfs_m1 : in unsigned(N_WF_CU_W-1 downto 0); -- # WFs within a WG
wg_info : in unsigned(DATA_W-1 downto 0);
-- for instruction fetching
cram_rdAddr : out unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
cram_rdAddr_conf : in unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
cram_rdData : in std_logic_vector(DATA_W-1 downto 0);
cram_rqst : out std_logic := '0';
start_addr : in unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
-- branch handling
wf_is_branching : in std_logic_vector(N_WF_CU-1 downto 0); -- level 18.
alu_branch : in std_logic_vector(CV_SIZE-1 downto 0); -- level 18.
alu_en : in std_logic_vector(CV_SIZE-1 downto 0); -- level 18.
-- for RunTime Memory
rtm_wrAddr_cv : out unsigned(N_WF_CU_W+2-1 downto 0) := (others => '0');
rtm_wrData_cv : out unsigned(DATA_W-1 downto 0) := (others => '0');
rtm_we_cv : out std_logic := '0';
gmem_finish : in std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
-- with the Compute Vector
instr : out std_logic_vector(DATA_W-1 downto 0) := (others => '0'); -- level -1.
wf_indx_in_wg : out natural range 0 to N_WF_CU-1; -- level -1.
wf_indx_in_CU : out natural range 0 to N_WF_CU-1; -- level -1.
alu_en_divStack : out std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0'); -- level 2.
phase : out unsigned(PHASE_W-1 downto 0) := (others=>'0') -- level -1.
);
attribute max_fanout of wf_indx_in_CU : signal is 10;
end CU_scheduler; -- }}}
architecture Behavioral of CU_scheduler is
-- signal definitions -----------------------------------------------------------------------------------{{{
-- internal signals assignments --------------------------------------------------------------------------{{{
signal wf_active_i : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal sch_ack_i : std_logic := '0';
signal cram_rdAddr_i : unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
signal instr_i : std_logic_vector(DATA_W-1 downto 0) := (others => '0');
signal phase_i : unsigned(PHASE_W-1 downto 0) := (others=>'0');
signal wf_indx_in_CU_i : natural range 0 to N_WF_CU-1 := 0;
attribute max_fanout of phase_i : signal is 10;
---------------------------------------------------------------------------------------------------------}}}
-- types & functions {{{
type wf_ctrl_state is ( idle, check_rdy, rdy, wait_for_selecting_PC, wait_pc_rdy, wait_gmem_finish,
jumping, branching, read_PC_stack, scratchpad_load);
type wf_ctrl_state_vec is array (N_WF_CU-1 downto 0) of wf_ctrl_state;
signal st_wf, st_wf_n : wf_ctrl_state_vec := (others => idle);
type CV_state_type is (idle, start_exec, select_PC, check_wf_rdy, read_inst, dly1, dly2, dly3 , select_instr);
signal st_CV, st_CV_n : CV_state_type := idle;
signal new_instr_found_n : std_logic := '0';
signal new_instr_found : std_logic := '0';
-- }}}
-- workgroup indices {{{
signal wg_next_id, wg_next_id_n : unsigned(N_WF_CU_W-1 downto 0) := (others=>'0');
signal wg_offset_d0, wg_offset_d0_n : unsigned(DATA_W-1 downto 0) := (others=>'0');
signal wg_offset_d1, wg_offset_d1_n : unsigned(DATA_W-1 downto 0) := (others=>'0');
signal wg_offset_d2, wg_offset_d2_n : unsigned(DATA_W-1 downto 0) := (others=>'0');
type dx_offset_type is (write_d0, write_d1, write_d2);
signal dx_offset_state : dx_offset_type := write_d0;
signal dx_offset_state_n : dx_offset_type := write_d0;
-- }}}
-- global signals {{{
constant WF_WAIT_LEN : integer := max(FLOAT_IMPLEMENT*MAX_FPU_DELAY+11, 16);
-- 16 is the normal delay for instruction that use the ALU
-- 22 for float delay of 11 (fmul)
-- 39 for float delay of 28 (fdiv & fsqrt)
type wf_wait_vec_type is array (natural range <>) of std_logic_vector(WF_WAIT_LEN-1 downto 0);
signal wf_wait_vec : wf_wait_vec_type(N_WF_CU-1 downto 0) := (others=>(others=>'0'));
signal wf_wait_vec_alu_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_wait_vec_fpu_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal clear_wf_wait_vec : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_no_wait, wf_no_wait_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal clear_wf_wait_vec_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal sch_rqst_n_wfs_ltchd : integer range 0 to N_WF_CU := 0;
signal sch_rqst_n_wfs_ltchd_n : integer range 0 to N_WF_CU := 0;
type interface_fsm_stata_type is (free, reserve, write_wg_d0, write_wg_d1, write_wg_d2);
signal st_WGD_intr, st_WGD_intr_n : interface_fsm_stata_type := free;
signal wf_on_gmem, wf_reads_gmem : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_branches : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_scratchpad_ld : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_jump : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal instr_fpu : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal phase_n : unsigned(PHASE_W-1 downto 0) := (others=>'0');
signal rd_priority, rd_priority_n : std_logic := '0';
signal wf_sel_indx, wf_sel_indx_n : integer range 0 to N_WF_CU-1 := 0;
signal pc_indx, pc_indx_n : integer range 0 to N_WF_CU-1 := 0;
signal instr_n, instr_buf_out : std_logic_vector(DATA_W-1 downto 0) := (others => '0');
signal PCs, PCs_n, PC_plus_branch_n : CRAM_ADDR_ARRAY(N_WF_CU-1 downto 0) := (others =>(others=>'0'));
signal PC_plus_1_n, PC_plus_1 : CRAM_ADDR_ARRAY(N_WF_CU-1 downto 0) := (others =>(others=>'0'));
signal wf_finish, wf_finish_n : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_alloc_indx : unsigned(N_WF_CU_W-1 downto 0) := (others => '0');
signal wf_alloc_indx_n : unsigned(N_WF_CU_W-1 downto 0) := (others => '0');
signal pc_rdy : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_rdy, wf_rdy_n : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_gmem_read_rdy : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_gmem_read_rdy_n : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_gmem_write_rdy : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_gmem_write_rdy_n : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal wf_branch_rdy_n, wf_branch_rdy : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal branch_in_executoin : std_logic := '0';
signal branch_in_executoin_vec : std_logic_vector(19 downto 0) := (others=>'0');
-- this signals prevents scheduling two branches successively
signal branch_in_executoin_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal advance_pc, advance_pc_n : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
signal execute_n, execute : std_logic := '0';
signal pc_updated, pc_updated_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_retired : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_activate, wf_activate_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal sch_ack_n : std_logic := '0';
signal wf_active_n : std_logic_vector(N_WF_CU-1 downto 0) := (others => '0');
-- }}}
-- coordinates {{{
type wf_indx_type is array (0 to N_WF_CU-1) of natural range 0 to N_WF_CU-1;
signal wf_indx, wf_indx_n : wf_indx_type := (others => 0);
signal allocated_wfs, allocated_wfs_n : natural range 0 to N_WF_CU := 0;
-- }}}
-- divergence fifos {{{
constant N_RECORDS_WF_W : integer := 3;
signal branch_distance : branch_distance_vec(0 to N_WF_CU-1) := (others=>(others=>'0'));
signal divStacks : alu_en_vec_type(0 to 2**(PHASE_W+N_RECORDS_WF_W+N_WF_CU_W)-1) := (others=>(others=>'0'));
signal alu_branch_vec : alu_en_vec_type(7 downto 0) := (others=>(others=>'0'));
signal alu_en_vec : alu_en_vec_type(7 downto 0) := (others=>(others=>'0'));
signal alu_branch_latch : alu_en_vec_type(7 downto 0) := (others=>(others=>'0'));
signal alu_en_latch : alu_en_vec_type(7 downto 0) := (others=>(others=>'0'));
signal divStack_addrb : unsigned(PHASE_W+N_RECORDS_WF_W+N_WF_CU_W-1 downto 0) := (others=>'0');
signal divStack_addra : unsigned(PHASE_W+N_RECORDS_WF_W+N_WF_CU_W-1 downto 0) := (others=>'0');
signal divStack_addra_p0 : unsigned(PHASE_W+N_RECORDS_WF_W+N_WF_CU_W-1 downto 0) := (others=>'0');
signal divStack_addra_p0_n : unsigned(PHASE_W+N_RECORDS_WF_W+N_WF_CU_W-1 downto 0) := (others=>'0');
signal divStack_dia, divStack_dia_n : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0');
signal divStack_wea, divStack_wea_n : std_logic := '0';
signal divStack_dob, divStack_dob_n : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0');
signal phase_branch : unsigned(PHASE_W-1 downto 0) := (others=>'0');
signal n_branching_wfs : integer range 0 to WF_SIZE := 0;
signal n_branching_wfs_d0 : integer range 0 to WF_SIZE := 0;
signal n_not_branching_wfs : integer range 0 to WF_SIZE := 0;
signal n_not_branching_wfs_d0 : integer range 0 to WF_SIZE := 0;
signal branching_wf_index : integer range 0 to N_WF_CU-1 := 0;
signal evaluate_divergance : std_logic := '0';
signal evaluate_divergance_d0 : std_logic := '0';
signal true_path, false_path : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal true_path_n, false_path_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
type active_record_indx_type is array (natural range <>) of unsigned(N_RECORDS_WF_W-1 downto 0);
signal wf_active_record : active_record_indx_type(N_WF_CU-1 downto 0) := (others=>(others=>'0'));
signal wf_active_record_inc_n : std_logic := '0';
signal wf_active_record_dec_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal write_two_records : std_logic := '0';
signal write_two_records_n : std_logic := '0';
type st_branch_type is (idle, write_true_path_in_divStack, dly_to_false, write_false_path_in_divStack, dly_to_true);
signal st_branch, st_branch_n : st_branch_type := idle;
signal go_true_and_false : std_logic := '0';
signal go_true_and_false_n : std_logic := '0';
signal wf_indx_in_CU_d0 : natural range 0 to N_WF_CU-1 := 0;
signal active_record_indx : unsigned(N_RECORDS_WF_W-1 downto 0) := (others=>'0');
signal phase_d0 : unsigned(PHASE_W-1 downto 0) := (others=>'0');
-- PC_stack
constant N_RECORDS_PC_STACK_W : integer := 4;
type PC_stack_addr_type is array(natural range <>) of unsigned(N_RECORDS_PC_STACK_W-1 downto 0);
signal PC_stack_addr : PC_stack_addr_type(N_WF_CU-1 downto 0) := (others=>(others=>'0'));
signal PC_stack_pop : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal PC_stack_pop_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal PC_stack_pop_ack : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal PC_stack_pop_ack_p0 : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal PC_stack_pop_ack_p1 : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal PC_stack_push_branch : std_logic := '0';
signal PC_stack_push_branch_n : std_logic := '0';
signal PC_stack_push_not_branch : std_logic := '0';
signal PC_stack_push_branch_ack : std_logic := '0';
signal PC_stack_push_not_branch_ack : std_logic := '0';
signal PC_stack_push_not_branch_n : std_logic := '0';
signal PC_stack_push, PC_stack_push_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal PC_stack_push_ack : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal PC_stack : CRAM_ADDR_ARRAY(0 to 2**(N_RECORDS_PC_STACK_W+N_WF_CU_W)-1) := (others =>(others=>'0'));
signal PC_stack_jump_entry : std_logic_vector(0 to 2**(N_RECORDS_PC_STACK_W+N_WF_CU_W)-1) := (others=>'0');
-- signal PC_stack_dummy_entry : std_logic_vector(0 to 2**(N_RECORDS_PC_STACK_W+N_WF_CU_W)-1) := (others=>'0');
-- signal PC_stack_dummy_entry_wrData : std_logic := '0';
-- signal PC_stack_dummy_entry_rdData_n : std_logic := '0';
-- signal PC_stack_dummy_entry_rdData : std_logic := '0';
signal PC_stack_jump_entry_wrData : std_logic := '0';
signal PC_stack_wrAddr : unsigned(N_RECORDS_PC_STACK_W+N_WF_CU_W-1 downto 0) := (others=>'0');
signal PC_stack_rdAddr : unsigned(N_RECORDS_PC_STACK_W+N_WF_CU_W-1 downto 0) := (others=>'0');
signal PC_stack_wrData : unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
signal PC_stack_rdData : unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
signal PC_stack_rdData_n : unsigned(CRAM_ADDR_W-1 downto 0) := (others=>'0');
signal PC_stack_jump_entry_rdData_n : std_logic := '0';
signal PC_stack_jump_entry_rdData : std_logic := '0';
signal PC_stack_we : std_logic := '0';
-- }}}
---------------------------------------------------------------------------------------------------------}}}
begin
-- internal signals assignments -------------------------------------------------------------------------------------------{{{
---------------------------------------------------------------------------------------------------------{{{
wf_active <= wf_active_i;
sch_ack <= sch_ack_i;
cram_rdAddr <= cram_rdAddr_i;
instr <= instr_i;
phase <= phase_i;
wf_indx_in_CU <= wf_indx_in_CU_i;
assert(2**N_RECORDS_WF_W >= WF_SIZE_W) report "increase the number of records per WF" severity failure;
---------------------------------------------------------------------------------------------------------}}}
---------------------------------------------------------------------------------------------------------}}}
-- instruction buffer -----------------------------------------------------------------------------------{{{
CU_instruction_dispatcher_inst: entity CU_instruction_dispatcher
port map(
clk => clk,
nrst => nrst,
cram_rdAddr => cram_rdAddr_i,
cram_rdData => cram_rdData,
cram_rqst => cram_rqst,
cram_rdAddr_conf => cram_rdAddr_conf,
PC_indx => pc_indx,
instr => instr_buf_out,
PCs => PCs,
pc_rdy => pc_rdy,
instr_gmem_op => wf_on_gmem,
instr_scratchpad_ld => wf_scratchpad_ld,
instr_gmem_read => wf_reads_gmem,
instr_branch => wf_branches,
instr_jump => instr_jump,
instr_fpu => instr_fpu,
wf_active => wf_active_i,
pc_updated => pc_updated,
branch_distance => branch_distance,
wf_retired => wf_retired
);
---------------------------------------------------------------------------------------------------------}}}
-- WG offset capture ----------------------------------------------------------------------------- {{{
-- trans process ----------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
wg_offset_d0 <= wg_offset_d0_n;
wg_offset_d1 <= wg_offset_d1_n;
wg_offset_d2 <= wg_offset_d2_n;
if nrst = '0' then
dx_offset_state <= write_d0;
else
dx_offset_state <= dx_offset_state_n;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- comb process -----------------------------------------------------------------------------------------{{{
process(dx_offset_state, wg_offset_d0, wg_offset_d1, wg_offset_d2, wg_info, sch_rqst) -- rtm_wrData_wg)
begin
-- when a sch_rqst for allocating a wg from the WGD; the WGD sends in the first 3 cycles the offsets of the
-- corresponding wg. These will be latched here
dx_offset_state_n <= dx_offset_state;
wg_offset_d0_n <= wg_offset_d0;
wg_offset_d1_n <= wg_offset_d1;
wg_offset_d2_n <= wg_offset_d2;
case dx_offset_state is
when write_d0 =>
if sch_rqst = '1' then
-- wg_offset_d0_n <= rtm_wrData_wg(DATA_W-1 downto 0);
wg_offset_d0_n <= wg_info;
dx_offset_state_n <= write_d1;
end if;
when write_d1 =>
-- wg_offset_d1_n <= rtm_wrData_wg(DATA_W-1 downto 0);
wg_offset_d1_n <= wg_info;
dx_offset_state_n <= write_d2;
when write_d2 =>
-- wg_offset_d2_n <= rtm_wrData_wg(DATA_W-1 downto 0);
wg_offset_d2_n <= wg_info;
dx_offset_state_n <= write_d0;
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
------------------------------------------------------------------------------------------------------}}}
-- divergence fifos -------------------------------------------------------------------------------------{{{
-- divStack -------------------------------------------------------------------------------------------{{{
-- A side: WF Scheduler
-- B side: CV
process(clk)
begin
if rising_edge(clk) then
divStack_dob_n <= divStacks(to_integer(divStack_addrb)); -- @ 1.
divStack_dob <= divStack_dob_n; -- @ 2.
if divStack_wea = '1' then
divStacks(to_integer(divStack_addra)) <= divStack_dia;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- divStack CV side --------------------------------------------------------------------------------------{{{
alu_en_divStack <= divStack_dob; -- level 2.
divStack_addrb(PHASE_W-1 downto 0) <= phase_d0; -- level 0.
divStack_addrb(PHASE_W+N_RECORDS_WF_W-1 downto PHASE_W) <= active_record_indx; -- level 0.
divStack_addrb(PHASE_W+N_WF_CU_W+N_RECORDS_WF_W-1 downto PHASE_W+N_RECORDS_WF_W) <= to_unsigned(wf_indx_in_CU_d0, N_WF_CU_W); -- level 0.
process(clk)
begin
if rising_edge(clk) then
wf_indx_in_CU_d0 <= wf_indx_in_CU_i; -- @ 0
-- if phase_i = (phase_i'reverse_range => '0') then
if execute = '1' then
active_record_indx <= wf_active_record(wf_indx_in_CU_i); -- @ 0
-- the if check is necessary to avoid the case where the wf_adtive_record decrements while executing
end if;
phase_d0 <= phase_i; -- @ 0
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- divStack WF Scheduler side ----------------------------------------------------------------------------{{{
-- divStack trnas process --------------------------------------------------------------------------------{{{
process(clk)
variable n_not_branching, n_branching : integer range 0 to WF_SIZE := 0;
begin
if rising_edge(clk) then
n_branching := 0;
n_not_branching := 0;
if wf_is_branching /= (wf_is_branching'reverse_range => '0') then -- level 18.->24.
for i in 0 to CV_SIZE-1 loop
if alu_en(i) = '1' then -- level 18.->24.
if alu_branch(i) = '1' then -- level 18.->24.
n_branching := n_branching + 1;
else
n_not_branching := n_not_branching + 1;
end if;
end if;
end loop;
end if;
if phase_branch = (phase_branch'reverse_range => '0') then -- true in levels 18. & 26.
n_branching_wfs <= n_branching;
n_not_branching_wfs <= n_not_branching;
else
n_branching_wfs <= n_branching_wfs + n_branching; -- @ 26 is ready
n_not_branching_wfs <= n_not_branching_wfs + n_not_branching; -- @ 26 is ready
end if;
evaluate_divergance <= '0';
if phase_branch = (phase_branch'reverse_range => '1') then -- level 25.
evaluate_divergance <= '1'; -- @ 26.
for i in 0 to N_WF_CU-1 loop
if wf_is_branching(i) = '1' then -- level 25. (last clock cycle where wf_is_branching is set)
branching_wf_index <= i; -- @ 26
end if;
end loop;
end if;
n_branching_wfs_d0 <= n_branching_wfs; -- @ 27.
n_not_branching_wfs_d0 <= n_not_branching_wfs; -- @ 27.
evaluate_divergance_d0 <= evaluate_divergance; -- @ 27.
alu_branch_vec(alu_branch_vec'high-1 downto 0) <= alu_branch_vec(alu_branch_vec'high downto 1); -- @ 20.->26.
alu_branch_vec(alu_branch_vec'high) <= alu_branch; -- @ 19.
alu_en_vec(alu_en_vec'high-1 downto 0) <= alu_en_vec(alu_en_vec'high downto 1); -- @ 20.->26.
alu_en_vec(alu_en_vec'high) <= alu_en; -- @ 19.
if evaluate_divergance = '1' then -- level 26.
for i in 0 to PHASE_LEN-1 loop
alu_branch_latch(i) <= alu_branch_vec(i); -- @ 27.
alu_en_latch(i) <= alu_en_vec(i); -- @ 27.
end loop;
end if;
if nrst = '0' then
phase_branch <= (others=>'0');
branch_in_executoin <= '0';
else
branch_in_executoin_vec(branch_in_executoin_vec'high) <= '0';
if branch_in_executoin_n /= (branch_in_executoin_n'reverse_range=>'0') then
branch_in_executoin <= '1';
branch_in_executoin_vec(branch_in_executoin_vec'high) <= '1';
end if;
branch_in_executoin_vec(branch_in_executoin_vec'high-1 downto 0) <= branch_in_executoin_vec(branch_in_executoin_vec'high downto 1);
if branch_in_executoin_vec(0) = '1' then -- level 26.
branch_in_executoin <= '0'; -- @ 27.
end if;
if wf_is_branching /= (wf_is_branching'reverse_range => '0') then -- level 18.->25.
phase_branch <= phase_branch + 1; -- @ 25. it will be all ones
end if;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- divStack trans process --------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
go_true_and_false <= go_true_and_false_n;
divStack_wea <= divStack_wea_n;
divStack_addra_p0 <= divStack_addra_p0_n;
divStack_addra <= divStack_addra_p0;
divStack_dia <= divStack_dia_n;
false_path <= false_path_n;
true_path <= true_path_n;
PC_stack_push_branch <= PC_stack_push_branch_n;
PC_stack_push_not_branch <= PC_stack_push_not_branch_n;
if nrst = '0' then
st_branch <= idle;
wf_active_record <= (others=>(others=>'0'));
write_two_records <= '0';
else
st_branch <= st_branch_n;
write_two_records <= write_two_records_n;
if wf_active_record_inc_n = '1' then
-- incrment commands come form the st_branch state machine when filling new requests
wf_active_record(branching_wf_index) <= wf_active_record(branching_wf_index) + 1;
end if;
for i in 0 to N_WF_CU-1 loop
if wf_active_record_dec_n(i) = '1' then
-- decrment commands come from the st_wf state machines on RET instructions
wf_active_record(i) <= wf_active_record(i) - 1;
end if;
end loop;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- divStack comb -----------------------------------------------------------------------------------------{{{
state_branch: process(st_branch, evaluate_divergance_d0, n_branching_wfs_d0, n_not_branching_wfs_d0, go_true_and_false,
divStack_addra_p0, branching_wf_index, wf_active_record, alu_branch_latch, alu_en_latch,
PC_stack_push_branch, PC_stack_push_not_branch, PC_stack_push_branch_ack, n_branching_wfs,
PC_stack_push_not_branch_ack, write_two_records, evaluate_divergance, n_not_branching_wfs)
begin
-- {{{
st_branch_n <= st_branch;
go_true_and_false_n <= go_true_and_false;
divStack_wea_n <= '0';
divStack_addra_p0_n(PHASE_W-1 downto 0) <= (others=>'0');
divStack_addra_p0_n(PHASE_W+N_RECORDS_WF_W-1 downto PHASE_W) <= wf_active_record(branching_wf_index);
divStack_addra_p0_n(PHASE_W+N_RECORDS_WF_W+N_WF_CU_W-1 downto PHASE_W+N_RECORDS_WF_W) <= to_unsigned(branching_wf_index, N_WF_CU_W);
divStack_dia_n <= alu_branch_latch(to_integer(divStack_addra_p0(PHASE_W-1 downto 0))) or
not alu_en_latch(to_integer(divStack_addra_p0(PHASE_W-1 downto 0)));
true_path_n <= (others=>'0');
false_path_n <= (others=>'0');
PC_stack_push_branch_n <= PC_stack_push_branch;
PC_stack_push_not_branch_n <= PC_stack_push_not_branch;
write_two_records_n <= write_two_records;
if PC_stack_push_branch_ack = '1' and write_two_records = '0' then
PC_stack_push_branch_n <= '0';
end if;
if PC_stack_push_not_branch_ack = '1' and write_two_records = '0' then
PC_stack_push_not_branch_n <= '0';
end if;
if PC_stack_push_branch_ack = '1' or PC_stack_push_not_branch_ack = '1' then
write_two_records_n <= '0';
end if;
wf_active_record_inc_n <= '0';
if evaluate_divergance = '1' and -- level 26.
wf_active_record(branching_wf_index) = (0 to N_RECORDS_WF_W-1 => '0') and -- CHANGE
(n_not_branching_wfs /= 0 and n_branching_wfs /= 0) then
wf_active_record_inc_n <= '1';
-- increment the reocord if the current one is the first (all entries are zero) & a branch has been evaluated
write_two_records_n <= '1';
end if;
-- }}}
case st_branch is
when idle => -- {{{
go_true_and_false_n <= '0';
if evaluate_divergance_d0 = '1' then
if n_branching_wfs_d0 /= 0 then
if n_not_branching_wfs_d0 /= 0 then
go_true_and_false_n <= '1';
if n_branching_wfs_d0 < n_not_branching_wfs_d0 then
st_branch_n <= write_false_path_in_divStack;
else
st_branch_n <= write_true_path_in_divStack;
end if;
else
true_path_n(branching_wf_index) <= '1';
end if;
else
false_path_n(branching_wf_index) <= '1';
end if;
end if;
-- }}}
when write_true_path_in_divStack => -- {{{
divStack_wea_n <= '1';
divStack_addra_p0_n(PHASE_W-1 downto 0) <= divStack_addra_p0(PHASE_W-1 downto 0) + 1;
divStack_dia_n <= not (alu_branch_latch(to_integer(divStack_addra_p0(PHASE_W-1 downto 0))) and
alu_en_latch(to_integer(divStack_addra_p0(PHASE_W-1 downto 0))));
if divStack_addra_p0(PHASE_W-1 downto 0) = (0 to PHASE_W-1 => '1') then
if go_true_and_false = '1' then
wf_active_record_inc_n <= '1'; -- increments the record if another one has to be written
st_branch_n <= dly_to_false;
go_true_and_false_n <= '0';
PC_stack_push_branch_n <= '1';
else
st_branch_n <= idle;
true_path_n(branching_wf_index) <= '1';
end if;
end if;
-- }}}
when dly_to_false => -- {{{
divStack_wea_n <= '0';
st_branch_n <= write_false_path_in_divStack;
-- }}}
when write_false_path_in_divStack => -- {{{
divStack_wea_n <= '1';
divStack_addra_p0_n(PHASE_W-1 downto 0) <= divStack_addra_p0(PHASE_W-1 downto 0) + 1;
divStack_dia_n <= alu_branch_latch(to_integer(divStack_addra_p0(PHASE_W-1 downto 0))) or
not alu_en_latch(to_integer(divStack_addra_p0(PHASE_W-1 downto 0)));
-- control alu_en_latch
if divStack_addra_p0(PHASE_W-1 downto 0) = (0 to PHASE_W-1 => '1') then
if go_true_and_false = '1' then
wf_active_record_inc_n <= '1'; -- increments the record if another one has to be written
st_branch_n <= dly_to_true;
go_true_and_false_n <= '0';
PC_stack_push_not_branch_n <= '1';
else
st_branch_n <= idle;
false_path_n(branching_wf_index) <= '1';
end if;
end if;
-- }}}
when dly_to_true => -- {{{
st_branch_n <= write_true_path_in_divStack;
divStack_wea_n <= '0';
-- }}}
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
---------------------------------------------------------------------------------------------------------}}}
-- PC STACK --------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
-- read PC Stack
-- stage 0
PC_stack_pop_ack_p1 <= (others=>'0');
for i in 0 to N_WF_CU-1 loop
if PC_stack_pop(i) = '1' and PC_stack_pop_ack_p0(i) = '0' and PC_stack_pop_ack_p1(i) = '0' then
-- pop commands are issued from the st_wf state machines on RET instructions
PC_stack_rdAddr(N_RECORDS_PC_stack_W-1 downto 0) <= PC_stack_addr(i) - 1;
PC_stack_addr(i) <= PC_stack_addr(i) - 1;
PC_stack_rdAddr(N_RECORDS_PC_stack_W+N_WF_CU_W-1 downto N_RECORDS_PC_stack_W) <= to_unsigned(i, N_WF_CU_W);
PC_stack_pop_ack_p1(i) <= '1';
exit;
end if;
end loop;
-- stage 1
PC_stack_rdData_n <= PC_stack(to_integer(PC_stack_rdAddr));
PC_stack_jump_entry_rdData_n <= PC_stack_jump_entry(to_integer(PC_stack_rdAddr));
-- PC_stack_dummy_entry_rdData_n <= PC_stack_dummy_entry(to_integer(PC_stack_rdAddr));
PC_stack_pop_ack_p0 <= PC_stack_pop_ack_p1;
-- stage 2
PC_stack_rdData <= PC_stack_rdData_n;
PC_stack_jump_entry_rdData <= PC_stack_jump_entry_rdData_n;
-- PC_stack_dummy_entry_rdData <= PC_stack_dummy_entry_rdData_n;
PC_stack_pop_ack <= PC_stack_pop_ack_p0;
-- select push command
PC_stack_push_ack <= (others=>'0');
PC_stack_push_branch_ack <= '0';
PC_stack_push_not_branch_ack <= '0';
if PC_stack_push_branch = '1' and PC_stack_push_branch_ack = '0' then
PC_stack_push_branch_ack <= '1';
elsif PC_stack_push_not_branch = '1' and PC_stack_push_not_branch_ack = '0' then
PC_stack_push_not_branch_ack <= '1';
else
for i in 0 to N_WF_CU-1 loop
if PC_stack_push(i) = '1' and PC_stack_push_ack(i) = '0' then
PC_stack_push_ack(i) <= '1';
exit;
end if;
end loop;
end if;
-- write PC Stack
-- push commands come from the st_branch state machine when two records have to be written into divStacks
PC_stack_we <= '0';
if PC_stack_push_branch_ack = '1' then
PC_stack_we <= '1';
PC_stack_addr(branching_wf_index) <= PC_stack_addr(branching_wf_index) + 1;
PC_stack_wrAddr(N_RECORDS_PC_STACK_W-1 downto 0) <= PC_stack_addr(branching_wf_index);
PC_stack_wrAddr(N_RECORDS_PC_STACK_W+N_WF_CU_W-1 downto N_RECORDS_PC_STACK_W) <= to_unsigned(branching_wf_index, N_WF_CU_W);
PC_stack_wrData <= PC_plus_branch_n(branching_wf_index);
PC_stack_jump_entry_wrData <= '0';
-- PC_stack_dummy_entry_wrData <= write_two_records;
elsif PC_stack_push_not_branch_ack = '1' then
PC_stack_we <= '1';
PC_stack_addr(branching_wf_index) <= PC_stack_addr(branching_wf_index) + 1;
PC_stack_wrAddr(N_RECORDS_PC_STACK_W-1 downto 0) <= PC_stack_addr(branching_wf_index);
PC_stack_wrAddr(N_RECORDS_PC_STACK_W+N_WF_CU_W-1 downto N_RECORDS_PC_STACK_W) <= to_unsigned(branching_wf_index, N_WF_CU_W);
PC_stack_wrData <= PCs(branching_wf_index);
PC_stack_jump_entry_wrData <= '0';
-- PC_stack_dummy_entry_wrData <= write_two_records;
else
for i in 0 to N_WF_CU-1 loop
if PC_stack_push_ack(i) = '1' then
PC_stack_we <= '1';
PC_stack_addr(i) <= PC_stack_addr(i) + 1;
PC_stack_wrAddr(N_RECORDS_PC_STACK_W-1 downto 0) <= PC_stack_addr(i);
PC_stack_wrAddr(N_RECORDS_PC_STACK_W+N_WF_CU_W-1 downto N_RECORDS_PC_STACK_W) <= to_unsigned(i, N_WF_CU_W);
PC_stack_wrData <= PC_plus_1(i);
PC_stack_jump_entry_wrData <= '1';
-- PC_stack_dummy_entry_wrData <= '0';
exit;
end if;
end loop;
end if;
if PC_stack_we = '1' then
PC_stack(to_integer(PC_stack_wrAddr)) <= PC_stack_wrData;
PC_stack_jump_entry(to_integer(PC_stack_wrAddr)) <= PC_stack_jump_entry_wrData;
-- PC_stack_dummy_entry(to_integer(PC_stack_wrAddr)) <= PC_stack_dummy_entry_wrData;
end if;
if nrst = '0' then
PC_stack_addr <= (others=>(others=>'0'));
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
---------------------------------------------------------------------------------------------------------}}}
-- Interface to WGD ----------------------------------------------------------------------------- {{{
-- trans process ----------------------------------------------------------------------------------------{{{
interface_fsm_trans: process(clk)
begin
if rising_edge(clk) then
wf_alloc_indx <= wf_alloc_indx_n;
wf_finish <= wf_finish_n;
allocated_wfs <= allocated_wfs_n;
wf_indx <= wf_indx_n;
sch_rqst_n_wfs_ltchd <= sch_rqst_n_wfs_ltchd_n;
wf_activate <= wf_activate_n;
if nrst = '0' then
st_WGD_intr <= free;
wg_next_id <= (others=>'0');
sch_ack_i <= '0';
else
st_WGD_intr <= st_WGD_intr_n;
wg_next_id <= wg_next_id_n;
sch_ack_i <= sch_ack_n;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- comb process -----------------------------------------------------------------------------------------{{{
interface_fsm_comb: process(st_WGD_intr, sch_rqst, sch_rqst_n_wfs_ltchd, wf_alloc_indx, wf_active_i,
sch_rqst_n_wfs_m1, allocated_wfs, wf_indx, wg_next_id, -- wg_next_id,
wg_offset_d0, wg_offset_d1, wg_offset_d2)
begin
st_WGD_intr_n <= st_WGD_intr;
wf_finish_n <= (others => '0');
wf_alloc_indx_n <= wf_alloc_indx;
sch_rqst_n_wfs_ltchd_n <= sch_rqst_n_wfs_ltchd;
allocated_wfs_n <= allocated_wfs;
wf_indx_n <= wf_indx;
wg_next_id_n <= wg_next_id;
rtm_we_cv <= '0';
rtm_wrAddr_cv(N_WF_CU_W-1 downto 0) <= wf_alloc_indx;
rtm_wrAddr_cv(N_WF_CU_W+1 downto N_WF_CU_W) <= "00";
rtm_wrData_cv <= wg_offset_d0;
wf_activate_n <= (others=>'0');
sch_ack_n <= '0';
case st_WGD_intr is
when free => -- {{{
if sch_rqst = '1' then
st_WGD_intr_n <= reserve;
wf_alloc_indx_n <= (others => '0');
sch_rqst_n_wfs_ltchd_n <= to_integer(sch_rqst_n_wfs_m1) + 1;
allocated_wfs_n <= 0;
wg_next_id_n <= wg_next_id + 1;
end if;
-- }}}
when reserve => -- {{{
if wf_active_i(to_integer(wf_alloc_indx)) = '0' then
allocated_wfs_n <= allocated_wfs + 1;
wf_activate_n(to_integer(wf_alloc_indx)) <= '1';
wf_indx_n(to_integer(wf_alloc_indx)) <= allocated_wfs;
-- wg_ids_n(to_integer(wf_alloc_indx)) <= wg_next_id;
st_WGD_intr_n <= write_wg_d0;
else
wf_alloc_indx_n <= wf_alloc_indx + 1;
end if;
when write_wg_d0 =>
rtm_we_cv <= '1';
st_WGD_intr_n <= write_wg_d1;
rtm_wrData_cv <= wg_offset_d0;
rtm_wrAddr_cv(N_WF_CU_W+1 downto N_WF_CU_W) <= "00";
when write_wg_d1 =>
rtm_we_cv <= '1';
st_WGD_intr_n <= write_wg_d2;
rtm_wrData_cv <= wg_offset_d1;
rtm_wrAddr_cv(N_WF_CU_W+1 downto N_WF_CU_W) <= "01";
when write_wg_d2 =>
rtm_we_cv <= '1';
rtm_wrData_cv <= wg_offset_d2;
rtm_wrAddr_cv(N_WF_CU_W+1 downto N_WF_CU_W) <= "10";
wf_alloc_indx_n <= wf_alloc_indx + 1;
if allocated_wfs = sch_rqst_n_wfs_ltchd then
st_WGD_intr_n <= free;
sch_ack_n <= '1';
else
st_WGD_intr_n <= reserve;
end if;
-- }}}
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
--------------------------------------------------------------------------------------------}}}
-- WFs FSMs ----------------------------------------------------------------------------- {{{
-- WFs trans process ------------------------------------------------------------------------------------{{{
WFS_fsms_trans: process(clk)
begin
if rising_edge(clk) then
PCs <= PCs_n;
PC_stack_push <= PC_stack_push_n;
PC_plus_1 <= PC_plus_1_n;
for i in 0 to N_WF_CU-1 loop
wf_wait_vec(i)(WF_WAIT_LEN-2 downto 0) <= wf_wait_vec(i)(WF_WAIT_LEN-1 downto 1);
if wf_wait_vec_alu_n(i) = '1' then
wf_wait_vec(i)(14) <= '1';
end if;
wf_wait_vec(i)(WF_WAIT_LEN-1) <= wf_wait_vec_fpu_n(i);
if clear_wf_wait_vec(i) = '0' then
if wf_wait_vec(i)(0) = '1' then
wf_wait_vec(i)(0) <= '1';
end if;
else
wf_wait_vec(i)(0) <= '0';
end if;
end loop;
clear_wf_wait_vec <= clear_wf_wait_vec_n;
wf_no_wait <= wf_no_wait_n;
if nrst = '0' then
st_wf <= (others=>idle);
wf_active_i <= (others=>'0');
wf_rdy <= (others=>'0');
wf_gmem_read_rdy <= (others=>'0');
wf_gmem_write_rdy <= (others=>'0');
wf_branch_rdy <= (others=>'0');
PC_stack_pop <= (others=>'0');
else
st_wf <= st_wf_n;
wf_rdy <= wf_rdy_n;
wf_gmem_read_rdy <= wf_gmem_read_rdy_n;
wf_branch_rdy <= wf_branch_rdy_n;
wf_gmem_write_rdy <= wf_gmem_write_rdy_n;
wf_active_i <= wf_active_n;
PC_stack_pop <= PC_stack_pop_n;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- WFs comb process -------------------------------------------------------------------------------------{{{
WFS_fsms_comb:for i in 0 to N_WF_CU-1 generate
-- {{{
wf_rdy_n(i) <= '1' when st_wf_n(i)=rdy else '0';
wf_gmem_read_rdy_n(i) <= '1' when st_wf_n(i) = rdy and wf_reads_gmem(i) = '1' else '0';
wf_gmem_write_rdy_n(i) <= '1' when st_wf_n(i) = rdy and wf_reads_gmem(i) = '0' and wf_on_gmem(i) = '1' else '0';
wf_branch_rdy_n(i) <= '1' when st_wf_n(i) = rdy and wf_branches(i) = '1' else '0';
PC_plus_branch_n(i) <= PCs(i) + resize(branch_distance(i), CRAM_ADDR_W);
PC_plus_1_n(i) <= PCs(i) + 1;
-- }}}
process(st_wf(i), PCs(i), start_addr, wf_active_i(i), advance_pc(i), pc_rdy(i), wf_on_gmem(i), gmem_finish(i), -- {{{
instr_jump(i), instr_fpu(i), true_path(i), false_path(i), PC_plus_branch_n(i), PC_stack_addr(i),
wf_activate(i), wf_retired(i), wf_branches(i), PC_stack_pop(i), PC_stack_pop_ack(i), PC_stack_rdData, --PC_stack_dummy_entry_rdData,
PC_stack_pop_ack_p1(i), pc_updated(i), PC_stack_push_ack(i), PC_plus_1_n(i), PC_stack_jump_entry_rdData, wf_active_record(i),
wf_scratchpad_ld(i), branch_in_executoin, wf_wait_vec(i)(0), wf_no_wait(i)) -- }}}
begin
st_wf_n(i) <= st_wf(i); -- {{{
PCs_n(i) <= PCs(i);
pc_updated_n(i) <= '0';
wf_active_n(i) <= wf_active_i(i);
PC_stack_pop_n(i) <= PC_stack_pop(i);
wf_active_record_dec_n(i) <= '0';
PC_stack_push_n(i) <= '0';
branch_in_executoin_n(i) <= '0';
wf_wait_vec_alu_n(i) <= '0';
wf_wait_vec_fpu_n(i) <= '0';
clear_wf_wait_vec_n(i) <= '0';
wf_no_wait_n(i) <= wf_no_wait(i);
--}}}
case st_wf(i) is
when idle => -- {{{
wf_no_wait_n(i) <= '1';
if wf_activate(i) = '1' then
st_wf_n(i) <= wait_pc_rdy;
PCs_n(i) <= start_addr;
pc_updated_n(i) <= '1';
wf_active_n(i) <= '1';
end if; -- }}}
when check_rdy => -- {{{
if pc_rdy(i) = '1' and (wf_wait_vec(i)(0) = '1' or wf_no_wait(i) = '1') then
wf_no_wait_n(i) <= '0';
if wf_retired(i) = '1' then
if PC_stack_addr(i) > 0 then
st_wf_n(i) <= read_PC_stack;
PC_stack_pop_n(i) <= '1';
clear_wf_wait_vec_n(i) <= '1';
else
st_wf_n(i) <= idle;
wf_active_n(i) <= '0';
clear_wf_wait_vec_n(i) <= '1';
end if;
elsif instr_jump(i) = '1' then
st_wf_n(i) <= jumping;
elsif wf_on_gmem(i) = '1' then
st_wf_n(i) <= rdy;
clear_wf_wait_vec_n(i) <= '1';
elsif wf_branches(i) = '1' then
if branch_in_executoin = '0' then
st_wf_n(i) <= rdy;
clear_wf_wait_vec_n(i) <= '1';
else
wf_no_wait_n(i) <= '1';
end if;
else
st_wf_n(i) <= rdy;
clear_wf_wait_vec_n(i) <= '1';
end if;
end if; -- }}}
when read_PC_stack => -- {{{
wf_no_wait_n(i) <= '1';
if PC_stack_pop_ack_p1(i) = '1' then
PC_stack_pop_n(i) <= '0';
end if;
if PC_stack_pop_ack(i) = '1' then
PCs_n(i) <= PC_stack_rdData;
if PC_stack_jump_entry_rdData = '0' and wf_active_record(i) = to_unsigned(1, N_RECORDS_WF_W) then
-- 1. condition: '0' means it is not a jump entry, i.e. it is a branch entry
-- 2. condition: it is the last record, i.e. all branches have been processed (there may be jumps)
if PC_stack_addr(i) = to_unsigned(0, N_RECORDS_WF_W) then
-- nothing to do further, the wavefront has to retire
st_wf_n(i) <= idle;
wf_active_n(i) <= '0';
clear_wf_wait_vec_n(i) <= '1';
else
-- there are still entries to be processed
PC_stack_pop_n(i) <= '1';
end if;
-- elsif PC_stack_dummy_entry_rdData = '1' then
-- PC_stack_pop_n(i) <= '1';
else
pc_updated_n(i) <= '1';
end if;
if PC_stack_jump_entry_rdData = '0' then
wf_active_record_dec_n(i) <= '1';
end if;
end if;
if pc_updated(i) = '1' then
st_wf_n(i) <= check_rdy;
end if;
-- }}}
when rdy => --{{{
-- the order is important
if wf_branches(i) = '1' and branch_in_executoin = '1' then
st_wf_n(i) <= check_rdy;
wf_no_wait_n(i) <= '1';
end if;
-- assert wf_branches(i) = '0' or branch_in_executoin = '0' or advance_pc(i) = '0' severity failure;
if advance_pc(i) = '1' then
PCs_n(i) <= PC_plus_1_n(i);
if instr_fpu(i) = '1' then
wf_wait_vec_fpu_n(i) <= '1';
else
wf_wait_vec_alu_n(i) <= '1';
end if;
pc_updated_n(i) <= '1';
if wf_on_gmem(i) = '1' then
st_wf_n(i) <= wait_gmem_finish;
elsif wf_branches(i) = '1' then
st_wf_n(i) <= branching;
pc_updated_n(i) <= '0';
branch_in_executoin_n(i) <= '1';
elsif wf_scratchpad_ld(i) = '1' then
st_wf_n(i) <= scratchpad_load;
else
st_wf_n(i) <= wait_for_selecting_PC;
end if;
end if;
-- }}}
when wait_for_selecting_PC => -- {{{
st_wf_n(i) <= wait_pc_rdy; -- }}}
when wait_pc_rdy => -- {{{
st_wf_n(i) <= check_rdy;
-- }}}
when wait_gmem_finish => -- {{{
if gmem_finish(i) = '1' then
st_wf_n(i) <= check_rdy;
end if; -- }}}
when jumping => -- {{{
PC_stack_push_n(i) <= '1';
if PC_stack_push_ack(i) = '1' then
PC_stack_push_n(i) <= '0';
pc_updated_n(i) <= '1';
st_wf_n(i) <= wait_for_selecting_PC;
PCs_n(i) <= PC_plus_branch_n(i);
end if;
-- }}}
when branching => -- {{{
if true_path(i) = '1' then
PCs_n(i) <= PC_plus_branch_n(i);
pc_updated_n(i) <= '1';
st_wf_n(i) <= wait_for_selecting_PC;
elsif false_path(i) = '1' then
pc_updated_n(i) <= '1';
st_wf_n(i) <= wait_for_selecting_PC;
end if; -- }}}
when scratchpad_load => -- {{{
-- it should wait for extra 3 clock cycles
if wf_wait_vec(i)(0) = '1' then
wf_no_wait_n(i) <= '1';
st_wf_n(i) <= wait_for_selecting_PC;
end if;
-- }}}
end case;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-----------------------------------------------------------------------------------------}}}
-- CV-Side FSM ----------------------------------------------------------------------------- {{{
-- trans process ----------------------------------------------------------------------------------------{{{
CV_side_trans: process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
st_CV <= idle;
advance_pc <= (others=>'0');
phase_i <= (others=>'0');
new_instr_found <= '0';
-- for timing
wf_sel_indx <= 0;
pc_indx <= 0;
wf_indx_in_wg <= 0;
wf_indx_in_CU_i <= 0;
instr_i <= (others=>'0');
pc_updated <= (others=>'0');
rd_priority <= '0';
else
rd_priority <= rd_priority_n;
st_CV <= st_CV_n;
wf_sel_indx <= wf_sel_indx_n;
advance_pc <= advance_pc_n;
phase_i <= phase_n;
pc_indx <= pc_indx_n;
execute <= execute_n;
if execute_n = '1' then
wf_indx_in_wg <= wf_indx(wf_sel_indx_n);
wf_indx_in_CU_i <= wf_sel_indx_n;
end if;
instr_i <= instr_n;
pc_updated <= pc_updated_n;
new_instr_found <= new_instr_found_n;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- comb process ----------------------------------------------------------------------------{{{
CV_side_comb: process(st_CV, wf_sel_indx, wf_rdy, sch_rqst, instr_buf_out, phase_i,
pc_indx, pc_indx_n, wf_branch_rdy,
new_instr_found, instr_i, wf_gmem_read_rdy, wf_gmem_write_rdy, rd_priority)
begin
-- {{{
st_CV_n <= st_CV;
rd_priority_n <= rd_priority;
advance_pc_n <= (others => '0');
wf_sel_indx_n <= wf_sel_indx;
execute_n <= '0';
instr_n <= instr_i;
phase_n <= phase_i + 1;
pc_indx_n <= pc_indx;
new_instr_found_n <= new_instr_found;
if phase_i = (phase_i'reverse_range => '1') then
instr_n <= (others=>'0');
end if;
-- }}}
case st_CV is
when idle => -- {{{
phase_n <= (others=>'0');
if sch_rqst = '1' then
st_CV_n <= check_wf_rdy;
end if;
-- }}}
when check_wf_rdy => -- {{{
new_instr_found_n <= '0';
if phase_i(1 downto 0) = "00" then
if wf_rdy /= (wf_rdy'reverse_range =>'0') then
st_CV_n <= select_PC;
pc_indx_n <= pri_enc(wf_rdy);
if wf_branch_rdy /= (wf_branch_rdy'reverse_range => '0') then
pc_indx_n <= pri_enc(wf_branch_rdy);
end if;
if rd_priority = '1' then
if wf_gmem_read_rdy /= (wf_gmem_read_rdy'reverse_range => '0') then
pc_indx_n <= pri_enc(wf_gmem_read_rdy);
elsif wf_gmem_write_rdy /= (wf_gmem_write_rdy'reverse_range => '0') then
pc_indx_n <= pri_enc(wf_gmem_write_rdy);
-- rd_priority_n <= '0';
end if;
else
if wf_gmem_write_rdy /= (wf_gmem_write_rdy'reverse_range => '0') then
pc_indx_n <= pri_enc(wf_gmem_write_rdy);
elsif wf_gmem_read_rdy /= (wf_gmem_read_rdy'reverse_range => '0') then
pc_indx_n <= pri_enc(wf_gmem_read_rdy);
rd_priority_n <= '1';
end if;
end if;
advance_pc_n <= (others => '0');
advance_pc_n(pc_indx_n) <= '1';
new_instr_found_n <= '1';
end if;
end if;
-- }}}
when select_PC => -- {{{
-- PC is incremented in this clock cycle, st_wf is moving to wait_for_selecting_PC, PC_slctd is being prepared in the buffuer module
st_CV_n <= select_instr;
when select_instr => -- st_wf is wait_pc_ready, pc_rdy is being calculated in the buffer module
if new_instr_found = '1' then
st_CV_n <= read_inst;
else
st_CV_n <= check_wf_rdy;
end if;
-- }}}
when read_inst => -- {{{
-- st_wf is check_rdy, the instruction is at the output of the buffer module, phase(0) = '1'
execute_n <= '1';
st_CV_n <= start_exec;
wf_sel_indx_n <= pc_indx;
phase_n <= (others=>'0');
instr_n <= instr_buf_out;
-- }}}
when start_exec => -- {{{
st_CV_n <= dly1;
-- }}}
when dly1 => -- {{{
st_CV_n <= dly2;
-- }}}
when dly2 => -- {{{
st_CV_n <= dly3;
-- }}}
when dly3 => -- {{{
st_CV_n <= check_wf_rdy;
-- }}}
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
--------------------------------------------------------------------------------------------------- }}}
end Behavioral;
| gpl-3.0 | 8aa9352c2fd2886627bf7b5e26c32574 | 0.469763 | 3.406056 | false | false | false | false |
Kinxil/VHDL_Projects | Mandelbrot/Colorgen.vhd | 1 | 74,598 | library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library WORK;
use WORK.CONSTANTS.ALL;
use WORK.FUNCTIONS.ALL;
entity Colorgen is
Port ( iters : in STD_LOGIC_VECTOR (ITER_RANGE-1 downto 0);
itermax : in STD_LOGIC_VECTOR (ITER_RANGE-1 downto 0);
color : out STD_LOGIC_VECTOR (bit_per_pixel-1 downto 0));
end Colorgen;
architecture Behavioral of Colorgen is -- TODO : Améliorer colorgen (comparaison OpenGL)
type rom_type is array (0 to ITER_MAX-1) of std_logic_vector (bit_per_pixel-1 downto 0);
constant color_scheme : rom_type := (
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000000",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000001",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000010",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000011",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000100",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000101",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000110",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000000111",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001000",
"000000001001",
"000000001001",
"000000001001",
"000000001001",
"000000001001",
"000000001001",
"000000001001",
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"111100001001",
"111100001001",
"111100001001",
"111100001001",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001010",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001011",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001100",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001101",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001110",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111",
"111100001111"
);
begin
process(iters, itermax)
begin
if (iters = itermax) then
color<= (others=>'0');
else
color <= not color_scheme(to_integer(unsigned(iters)));
end if;
end process;end Behavioral;
--Cut and paste following lines into Shared.vhd.
-- constant ITER_MAX : integer := 4095;
-- constant ITER_RANGE : integer := 12;
| gpl-3.0 | 643abb10fc2df6ddca4b091048626b6c | 0.667256 | 3.59266 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_6Stations.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 6;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 0;
constant FMUL_IMPLEMENT : integer := 0;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | a4743406565e4ef32af5eff74cc16d9d | 0.567707 | 3.729005 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_SubInteger.vhd | 1 | 23,421 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 11;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 1;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant FADD_DELAY : integer := 11;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 4;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 705bfd499fa826d4c87b4001492ef460 | 0.569105 | 3.711139 | false | false | false | false |
preusser/q27 | src/vhdl/top/xilinx/sdrc_queens_master.vhdl | 1 | 14,514 | library IEEE;
use IEEE.std_logic_1164.all;
library PoC;
use PoC.physical.all;
entity sdrc_queens_master is
generic (
-- Design Parameters
N : positive := 27;
L : positive := 2;
SOLVERS : positive := 90;
COUNT_CYCLES : boolean := false;
-- Local Clock Parameters
CLK_FREQ : FREQ := 16 MHz; -- external clock
CLK_MUL : positive := 31; -- computation clock:
CLK_DIV : positive := 4; -- CLK_FREQ / CLK_DIV * CLK_MUL
-- UART Parameters
BAUDRATE : positive := 115200;
SENTINEL : std_logic_vector(7 downto 0) := x"FA" -- Start Byte
);
port (
---------------------------------------------------------------------------
-- 16-MHz Input Clock
CLK16_U : in std_logic;
---------------------------------------------------------------------------
-- Master: UART
rx : in std_logic;
tx : out std_logic;
cts : in std_logic;
rts : out std_logic;
---------------------------------------------------------------------------
-- Status
led : out std_logic_vector(3 downto 0);
---------------------------------------------------------------------------
-- Ring Bus
-- Output
BUS_OUT_CLKP : out std_logic;
BUS_OUT_CLKN : out std_logic;
BUS_OUT_PRE_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_PRE_PUT : out std_logic;
BUS_OUT_PRE_GO : in std_logic;
BUS_OUT_SOL_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_SOL_PUT : out std_logic;
BUS_OUT_SOL_GO : in std_logic;
-- Input
BUS_IN_CLKP : in std_logic;
BUS_IN_CLKN : in std_logic;
BUS_IN_PRE_DAT : in std_logic_vector(8 downto 0);
BUS_IN_PRE_PUT : in std_logic;
BUS_IN_PRE_GO : out std_logic;
BUS_IN_SOL_DAT : in std_logic_vector(8 downto 0);
BUS_IN_SOL_PUT : in std_logic;
BUS_IN_SOL_GO : out std_logic
);
end sdrc_queens_master;
library IEEE;
use IEEE.numeric_std.all;
library PoC;
use PoC.utils.all;
use PoC.fifo.all;
use PoC.uart.all;
library UNISIM;
use UNISIM.vcomponents.all;
architecture rtl of sdrc_queens_master is
-- Bit Length of Pre-Placement
constant PRE_BITS : positive := 4*L*log2ceil(N)-1;
constant PRE_BYTES : positive := (PRE_BITS+7)/8;
-- FIFO Dimensioning
constant FIFO_DEPTH : positive := 5*(SOLVERS+5);
----------------------------------------------------------------------------
-- Global Control
signal clk_comp : std_logic; -- Computation Clock
signal rst_comp : std_logic;
signal clk_out : std_logic; -- Communication Clock (Output Side)
signal rst_out : std_logic;
-- UART Interface
signal rx_dat : byte;
signal rx_stb : std_logic;
signal tx_dat : byte;
signal tx_ful : std_logic;
signal tx_put : std_logic;
-- Frame Interface
signal pvld : std_logic;
signal pdat : byte;
signal peof : std_logic;
signal pgot : std_logic;
begin
----------------------------------------------------------------------------
-- Clock Generation
blkClock: block
-- Intermediate Clock Signals
signal clk16 : std_logic; -- Buffered Input Clock
signal clk_comp_u : std_logic;
signal locked_comp : std_logic;
begin
-- 16 MHz Board Clock -> Computation Clock
clk16_buf : IBUFG
port map (
I => CLK16_U,
O => clk16
);
DCM0 : DCM_BASE
generic map (
CLKIN_PERIOD => to_real(1.0/CLK_FREQ, 1 ns),
CLKIN_DIVIDE_BY_2 => FALSE,
PHASE_SHIFT => 0,
CLKFX_MULTIPLY => CLK_MUL,
CLKFX_DIVIDE => CLK_DIV,
CLKOUT_PHASE_SHIFT => "NONE",
CLK_FEEDBACK => "NONE", -- only using clkfx
DLL_FREQUENCY_MODE => "LOW",
DFS_FREQUENCY_MODE => "LOW",
DUTY_CYCLE_CORRECTION => TRUE,
STARTUP_WAIT => TRUE,
DCM_AUTOCALIBRATION => FALSE
)
port map (
CLKIN => clk16,
CLKFB => '0',
RST => '0',
CLK0 => open,
CLK180 => open,
CLK270 => open,
CLK2X => open,
CLK2X180 => open,
CLK90 => open,
CLKDV => open,
CLKFX => clk_comp_u,
CLKFX180 => open,
LOCKED => locked_comp
);
clk_comp_buf : BUFGCE
port map (
CE => locked_comp,
I => clk_comp_u,
O => clk_comp
);
rst_comp <= '0';
clk_out_buf : BUFGCE
port map (
CE => locked_comp,
I => clk16,
O => clk_out
);
rst_out <= '0';
led(0) <= locked_comp;
end block blkClock;
----------------------------------------------------------------------------
-- UART
blkUART: block
signal bclk_x8 : std_logic;
signal bclk_x1 : std_logic;
begin
-- Bit Clock Generation
bclk_gen_x8: entity PoC.arith_counter_free
generic map (
DIVIDER => integer(to_real(CLK_FREQ, 1 Hz))/(8*BAUDRATE)
)
port map (
clk => clk_out,
rst => '0',
inc => '1',
stb => bclk_x8
);
bclk_gen_x1: entity PoC.arith_counter_free
generic map (
DIVIDER => 8
)
port map (
clk => clk_out,
rst => '0',
inc => bclk_x8,
stb => bclk_x1
);
-- Receive Bytes
uart_rx_i : uart_rx
port map (
clk => clk_out,
rst => rst_out,
bclk_x8 => bclk_x8,
rx => rx,
stb => rx_stb,
do => rx_dat
);
-- Transmit Bytes
uart_tx_i : uart_tx
port map (
clk => clk_out,
rst => rst_out,
bclk => bclk_x1,
put => tx_put,
di => tx_dat,
ful => tx_ful,
tx => tx
);
rts <= cts;
end block blkUART;
-- Unframing
blkUnframe: block
-- Input Glue FIFO -> Unframe
signal glue_vld : std_logic;
signal glue_dat : byte;
signal glue_got : std_logic;
-- Unframe -> Input Buffer
signal odat : byte;
signal oeof : std_logic;
signal oful : std_logic;
signal oput : std_logic;
signal ocommit : std_logic;
signal orollback : std_logic;
begin
glue: fifo_glue
generic map (
D_BITS => 8
)
port map (
clk => clk_out,
rst => rst_out,
put => rx_stb,
di => rx_dat,
ful => open,
vld => glue_vld,
do => glue_dat,
got => glue_got
);
unframe_i: entity work.unframe
generic map (
SENTINEL => SENTINEL,
PAY_LEN => PRE_BYTES
)
port map (
clk => clk_out,
rst => rst_out,
rx_dat => glue_dat,
rx_vld => glue_vld,
rx_got => glue_got,
odat => odat,
oeof => oeof,
oful => oful,
oput => oput,
ocommit => ocommit,
orollback => orollback
);
buf: fifo_cc_got_tempput
generic map (
MIN_DEPTH => 5*(SOLVERS+5),
D_BITS => 9
)
port map (
clk => clk_out,
rst => rst_out,
put => oput,
din(8) => oeof,
din(7 downto 0) => odat,
full => oful,
commit => ocommit,
rollback => orollback,
got => pgot,
dout(8) => peof,
dout(7 downto 0) => pdat,
valid => pvld
);
end block blkUnframe;
blkFeed: block
-- Syncing the stall input
signal go_s : std_logic_vector(1 downto 0) := (others => '0');
-- Outgoing Output Registers
signal OutDat : std_logic_vector(7 downto 0) := (others => '0');
signal OutEof : std_logic := '0';
signal OutPut : std_logic := '0';
-- Inverted Output Clock
signal clk_inv : std_logic;
begin
-------------------------------------------------------------------------
-- Output Inverted Clock
blkClock : block
signal clk_inv : std_logic;
begin
invert : ODDR
generic map(
DDR_CLK_EDGE => "OPPOSITE_EDGE",
INIT => '1',
SRTYPE => "SYNC"
)
port map (
Q => clk_inv, -- 1-bit DDR output
C => clk_out, -- 1-bit clock input
CE => '1', -- 1-bit clock enable input
D1 => '0', -- 1-bit data input (positive edge)
D2 => '1', -- 1-bit data input (negative edge)
R => rst_out, -- 1-bit reset input
S => '0' -- 1-bit set input
);
OBUFDS_inst : OBUFDS
generic map (
IOSTANDARD => "DEFAULT",
SLEW => "FAST"
)
port map (
O => BUS_OUT_CLKP,
OB => BUS_OUT_CLKN,
I => clk_inv
);
end block blkClock;
-------------------------------------------------------------------------
-- Pre-placement Output
-- Syncing stall input
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
go_s <= (others => '0');
else
go_s <= BUS_OUT_PRE_GO & go_s(go_s'left downto 1);
end if;
end if;
end process;
pgot <= pvld and go_s(0);
-- Output Registers
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
OutDat <= (others => '0');
OutEof <= '0';
OutPut <= '0';
else
OutDat <= pdat;
OutEof <= peof;
OutPut <= pgot;
end if;
end if;
end process;
BUS_OUT_PRE_DAT <= OutEof & OutDat;
BUS_OUT_PRE_PUT <= OutPut;
-------------------------------------------------------------------------
-- Start of Result Chain
BUS_OUT_SOL_DAT <= (others => '0');
BUS_OUT_SOL_PUT <= '0';
end block blkFeed;
blkDrain: block
-- Source synchronous clock domain
signal clk_in : std_logic;
signal rst_in : std_logic;
-- Incoming Bus Data Capture Registers
signal InPreDat : std_logic_vector(8 downto 0) := (others => '-');
signal InPrePut : std_logic := '0';
signal InPreCap : std_logic_vector(1 downto 0);
signal InSolDat : std_logic_vector(8 downto 0) := (others => '-');
signal InSolPut : std_logic := '0';
signal InSolCap : std_logic_vector(1 downto 0);
-- Solver Chain Connectivity
signal pivld : std_logic;
signal piful : std_logic;
signal pidat : byte;
signal pieof : std_logic;
signal piput : std_logic;
signal sivld : std_logic;
signal sidat : byte;
signal sieof : std_logic;
signal sigot : std_logic;
signal sovld : std_logic;
signal sodat : byte;
signal soeof : std_logic;
signal sogot : std_logic;
-- Solution Stream -> Frames
signal tdat : std_logic_vector(7 downto 0);
signal tful : std_logic;
signal tput : std_logic;
signal tx_vld : std_logic;
signal tx_got : std_logic;
begin
---------------------------------------------------------------------------
-- Reading the Bus
-- Clock Reconstruction
blkClock : block
signal clk_in0 : std_logic;
begin
IBUFGDS_inst : IBUFGDS
port map (
O => clk_in0,
I => BUS_IN_CLKP,
IB => BUS_IN_CLKN
);
BUFG_inst : BUFR
port map (
I => clk_in0,
CE => '1',
CLR => '0',
O => clk_in
);
rst_in <= '0';
end block blkClock;
-- Bus Input Capture
process(clk_in)
begin
if rising_edge(clk_in) then
if rst_in = '1' then
InPreDat <= (others => '-');
InPrePut <= '0';
InSolDat <= (others => '-');
InSolPut <= '0';
else
InPreDat <= BUS_IN_PRE_DAT;
InPrePut <= BUS_IN_PRE_PUT;
InSolDat <= BUS_IN_SOL_DAT;
InSolPut <= BUS_IN_SOL_PUT;
end if;
end if;
end process;
-- Input FIFO (ic): Pre-Placements
buf_pre : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InPreCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InPrePut,
din => InPreDat,
full => open,
estate_wr => InPreCap,
clk_rd => clk_comp,
rst_rd => rst_comp,
got => piput,
dout(8) => pieof,
dout(7 downto 0) => pidat,
valid => pivld
);
piput <= pivld and not piful;
BUS_IN_PRE_GO <= '0' when InPreCap = (InPreCap'range => '0') else '1';
-- Input FIFO (ic): Solutions
buf_sol : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InSolCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InSolPut,
din => InSolDat,
full => open,
estate_wr => InSolCap,
clk_rd => clk_comp,
rst_rd => rst_comp,
got => sigot,
dout(8) => sieof,
dout(7 downto 0) => sidat,
valid => sivld
);
BUS_IN_SOL_GO <= '0' when InSolCap = (InSolCap'range => '0') else '1';
---------------------------------------------------------------------------
-- Solver Chain
chain: entity work.queens_chain
generic map (
N => N,
L => L,
SOLVERS => SOLVERS,
COUNT_CYCLES => COUNT_CYCLES
)
port map (
clk => clk_comp,
rst => rst_comp,
piful => piful,
pidat => pidat,
pieof => pieof,
piput => piput,
sivld => sivld,
sidat => sidat,
sieof => sieof,
sigot => sigot,
poful => '1',
podat => open,
poeof => open,
poput => open,
sovld => sovld,
sodat => sodat,
soeof => soeof,
sogot => sogot
);
enframe_i: entity work.enframe
generic map (
SENTINEL => SENTINEL
)
port map (
clk => clk_comp,
rst => rst_comp,
ivld => sovld,
idat => sodat,
ieof => soeof,
igot => sogot,
tx_ful => tful,
tx_put => tput,
tx_dat => tdat
);
-- Output FIFO (ic): Solutions
fifob : fifo_ic_got
generic map (
D_BITS => 8,
MIN_DEPTH => FIFO_DEPTH
)
port map (
clk_wr => clk_comp,
rst_wr => rst_comp,
put => tput,
din => tdat,
full => tful,
clk_rd => clk_out,
rst_rd => rst_out,
got => tx_got,
dout => tx_dat,
valid => tx_vld
);
tx_put <= tx_vld and not tx_ful;
tx_got <= tx_put;
end block blkDrain;
led(3 downto 1) <= "110";
end rtl;
| agpl-3.0 | 4c5d4802f60c1802fd7309264b042f7e | 0.470856 | 3.633951 | false | false | false | false |
kennethlyn/fpga-image-example | hdl_nodes/subtractor/subtractor.srcs/sim_1/backplane_simulator.vhd | 3 | 30,931 | -- File: backplane_simulator.vhd
--
-- � COPYRIGHT 2014 TOPIC EMBEDDED PRODUCTS B.V. ALL RIGHTS RESERVED.
--
-- This file contains confidential and proprietary information of
-- Topic Embedded Products B.V. and is protected under Dutch and
-- International copyright and other international intellectual property laws.
--
-- Disclaimer
--
-- This disclaimer is not a license and does not grant any rights to the
-- materials distributed herewith. Except as otherwise provided in a valid
-- license issued to you by Topic Embedded Products B.V., and to the maximum
-- extend permitted by applicable law:
--
-- 1. Dyplo is furnished on an "as is", as available basis. Topic makes no
-- warranty, express or implied, with respect to the capability of Dyplo. All
-- warranties of any type, express or implied, including the warranties of
-- merchantability, fitness for a particular purpose and non-infringement of
-- third party rights are expressly disclaimed.
--
-- 2. Topic's maximum total liability shall be limited to general money
-- damages in an amount not to exceed the total amount paid for in the year
-- in which the damages have occurred. Under no circumstances including
-- negligence shall Topic be liable for direct, indirect, incidental, special,
-- consequential or punitive damages, or for loss of profits, revenue, or data,
-- that are directly or indirectly related to the use of, or the inability to
-- access and use Dyplo and related services, whether in an action in contract,
-- tort, product liability, strict liability, statute or otherwise even if
-- Topic has been advised of the possibility of those damages.
--
-- This copyright notice and disclaimer must be retained as part of this file at all times.
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.all;
library tb_lib;
use tb_lib.tb_env_pkg.all;
library std;
use std.env.all;
use std.textio.all;
library dyplo_hdl_node_lib;
use dyplo_hdl_node_lib.hdl_node_package.all;
use dyplo_hdl_node_lib.hdl_node_user_params.all;
library dyplo;
use dyplo.all;
entity backplane_simulator is
end backplane_simulator;
architecture rtl of backplane_simulator is
-- clock and reset for testbench
signal dab_clk : std_logic := '0';
signal dab_rst : std_logic := '1';
--Internal signals for HDL node
signal dab_clk_i : std_logic;
signal dab_rst_i : std_logic;
signal dab_addr_i : std_logic_vector(c_hdl_dab_awidth - 1 downto 0);
signal dab_sel_i : std_logic;
signal dab_wvalid_i : std_logic;
signal dab_rvalid_i : std_logic;
signal dab_wdata_i : std_logic_vector(c_hdl_dab_dwidth - 1 downto 0);
signal dab_rdata_i : std_logic_vector(c_hdl_dab_dwidth - 1 downto 0);
-- Receive data from backplane to FIFO
signal b2f_tdata_i : std_logic_vector(c_hdl_backplane_bus_width - 1 downto 0);
signal b2f_tstream_id_i : std_logic_vector(c_hdl_stream_id_width - 1 downto 0);
signal b2f_tvalid_i : std_logic;
signal b2f_tready_i : std_logic;
-- Send data from FIFO to backplane
signal f2b_tdata_i : std_logic_vector(c_hdl_backplane_bus_width - 1 downto 0);
signal f2b_tstream_id_i : std_logic_vector(c_hdl_stream_id_width - 1 downto 0);
signal f2b_tvalid_i : std_logic;
signal f2b_tready_i : std_logic;
-- Clock signals
signal dest_fifo_status_i : std_logic_vector(3 downto 0) := (others => '1');
-- Clock signals
signal user_clocks_i : std_logic_vector(3 downto 0);
--internal signals for stim_reader
signal cmd_i : cmd_record;
signal cmd_accept_i : std_logic;
signal eof_i : std_logic;
--stream signals for datain stream processes
type streams_in_tdata_type is array (0 to c_input_streams - 1) of std_logic_vector(c_hdl_backplane_bus_width - 1 downto 0);
type streams_in_tstream_id_type is array (0 to c_input_streams - 1) of std_logic_vector(c_hdl_stream_id_width - 1 downto 0);
signal streams_in_tdata : streams_in_tdata_type;
signal streams_in_tstream_id : streams_in_tstream_id_type;
signal streams_in_tvalid : std_logic_vector(c_input_streams - 1 downto 0);
signal streams_in_tready : std_logic_vector(c_input_streams - 1 downto 0);
--tready signals for dataout stream processes
signal streams_out_tready : std_logic_vector(c_output_streams - 1 downto 0);
--tready signals for dataout combinatoric combined with tstream_id
signal streams_out_tready_c : std_logic_vector(c_output_streams - 1 downto 0);
--data signal for storing stream parameters for each stream
type data_in_streams_type is array (0 to c_input_streams - 1) of data_stream;
signal data_in_streams : data_in_streams_type;
type data_out_streams_type is array (0 to c_output_streams - 1) of data_stream;
signal data_out_streams : data_out_streams_type;
--type definition of type for state machine
type sm_control_type is (IDLE, PARSE_CMD, DAB_DELAY_WRITE, DAB_DELAY_READ);
signal sm_control : sm_control_type := IDLE;
signal schedule_in_streams : integer := 0;
signal dab_delay_cnt : unsigned(1 downto 0); --delay for dab r/w
signal out_streams_enabled : std_logic_vector(c_output_streams - 1 downto 0);
signal out_streams_finished : std_logic_vector(c_output_streams - 1 downto 0);
signal in_streams_enabled : std_logic_vector(c_input_streams - 1 downto 0);
signal in_streams_finished : std_logic_vector(c_input_streams - 1 downto 0);
--component declaration stim_reader
component tb_stim_reader is
generic(
STIM_FILE_NAME : string := ""
);
port (
cmd_out : out cmd_record;
cmd_accept_in : in std_logic;
eof : out std_logic
);
end component;
--component declaration HDL_node
component dyplo_hdl_node is
port(
-- Miscellaneous
node_id : in std_logic_vector(c_hdl_node_id_width - 1 downto 0);
-- DAB interface
dab_clk : in std_logic;
dab_rst : in std_logic;
dab_addr : in std_logic_vector(c_hdl_dab_awidth - 1 downto 0);
dab_sel : in std_logic;
dab_wvalid : in std_logic;
dab_rvalid : in std_logic;
dab_wdata : in std_logic_vector(c_hdl_dab_dwidth - 1 downto 0);
dab_rdata : out std_logic_vector(c_hdl_dab_dwidth - 1 downto 0);
-- Receive data from backplane to FIFO
b2f_tdata : in std_logic_vector(c_hdl_backplane_bus_width - 1 downto 0);
b2f_tstream_id : in std_logic_vector(c_hdl_stream_id_width - 1 downto 0);
b2f_tvalid : in std_logic;
b2f_tready : out std_logic;
-- Send data from FIFO to backplane
f2b_tdata : out std_logic_vector(c_hdl_backplane_bus_width - 1 downto 0);
f2b_tstream_id : out std_logic_vector(c_hdl_stream_id_width - 1 downto 0);
f2b_tvalid : out std_logic;
f2b_tready : in std_logic;
-- Serial fifo status info
fifo_status_sync : in std_logic;
fifo_status_flag : out std_logic;
-- fifo statuses of destination fifo's
dest_fifo_status : in std_logic_vector(3 downto 0);
-- Clock signals
user_clocks : in std_logic_vector(3 downto 0)
);
end component;
begin
hdl_node : dyplo_hdl_node
port map(
-- Miscellaneous
node_id => "00010", -- don't change, because of address range in simulation
-- DAB interface
dab_clk => dab_clk_i,
dab_rst => dab_rst_i,
dab_addr => dab_addr_i,
dab_sel => dab_sel_i,
dab_wvalid => dab_wvalid_i,
dab_rvalid => dab_rvalid_i,
dab_wdata => dab_wdata_i,
dab_rdata => dab_rdata_i,
-- Receive data from backplane to FIFO
b2f_tdata => b2f_tdata_i,
b2f_tstream_id => b2f_tstream_id_i,
b2f_tvalid => b2f_tvalid_i,
b2f_tready => b2f_tready_i,
-- Send data from FIFO to backplane
f2b_tdata => f2b_tdata_i,
f2b_tstream_id => f2b_tstream_id_i,
f2b_tvalid => f2b_tvalid_i,
f2b_tready => f2b_tready_i,
-- Serial fifo status info
fifo_status_sync => '0',
fifo_status_flag => open,
-- fifo statuses of destination fifo's
dest_fifo_status => dest_fifo_status_i,
-- Clock signals
user_clocks => user_clocks_i
);
stim_reader : tb_stim_reader
generic map(
STIM_FILE_NAME => "../../stimuli/control_stimuli.txt"
)
port map(
cmd_out => cmd_i,
cmd_accept_in => cmd_accept_i,
eof => eof_i
);
dab_clk <= not dab_clk after 5 ns; -- 100MHz clock
dab_rst <= '0' after 50 ns; -- Synchronous, active high reset
dab_clk_i <= dab_clk;
dab_rst_i <= dab_rst;
control : process(dab_clk)
variable stream_no : integer := 0;
variable v_value_int : integer;
variable v_value_slv : std_logic_vector(31 downto 0);
variable v_result : boolean;
variable v_result_len : integer;
variable v_string : string(1 to CMD_WORD_SIZE);
begin
if(rising_edge(dab_clk)) then
if(dab_rst = '1') then
dab_addr_i <= (others => '0');
dab_sel_i <= '0';
dab_wvalid_i <= '0';
dab_rvalid_i <= '0';
dab_wdata_i <= (others => '0');
dab_delay_cnt <= "11";
sm_control <= IDLE;
data_in_streams <= (others => ((others => NUL), 0, '0'));
data_out_streams <= (others => ((others => NUL), 0, '0'));
else
case(sm_control) is
when IDLE =>
dab_sel_i <= '0';
dab_wvalid_i <= '0';
dab_rvalid_i <= '0';
if(cmd_i.valid = true) then
sm_control <= PARSE_CMD;
else
cmd_accept_i <= '0'; --release command
end if;
when PARSE_CMD =>
if (cmd_i.word(0)(1 to 12) = "write_config") then -- dab write_control (hdl_node) command
--read arguments
for i in 1 to (cmd_i.cnt-1) loop
v_string(1 to cmd_i.size(i)) := cmd_i.word(i)(1 to cmd_i.size(i));
proc_get_value (
str => v_string(1 to cmd_i.size(i)),
slv => v_value_slv,
result => v_result,
len => v_result_len
);
if not(v_result) then
report "ERROR: Unknown value!";
report "Found: " & cmd_i.word(i)(1 to cmd_i.size(i));
report "Expected: hexadecimal or binary value e.g. 0xABCD or 0b1011010000100100 or X1011010000HLL100"
severity failure;
end if;
if (i=1) then --address
dab_addr_i <= "00000" & ( X"1000" + v_value_slv(15 downto 0));
elsif (i=2) then --data
dab_wdata_i <= v_value_slv(31 downto 0);
end if;
end loop;
dab_sel_i <= '1';
dab_delay_cnt <= "11";
sm_control <= DAB_DELAY_WRITE;
elsif (cmd_i.word(0)(1 to 10) = "write_data") then -- dab write_data (user_logic) command
--read arguments
for i in 1 to (cmd_i.cnt-1) loop
v_string(1 to cmd_i.size(i)) := cmd_i.word(i)(1 to cmd_i.size(i));
proc_get_value (
str => v_string(1 to cmd_i.size(i)),
slv => v_value_slv,
result => v_result,
len => v_result_len
);
if not(v_result) then
report "ERROR: Unknown value!";
report "Found: " & cmd_i.word(i)(1 to cmd_i.size(i));
report "Expected: hexadecimal or binary value e.g. 0xABCD or 0b1011010000100100 or X1011010000HLL100"
severity failure;
end if;
if (i=1) then --address
dab_addr_i <= "00010" & v_value_slv(15 downto 0);
elsif (i=2) then --data
dab_wdata_i <= v_value_slv(31 downto 0);
end if;
end loop;
dab_sel_i <= '1';
dab_delay_cnt <= "11";
sm_control <= DAB_DELAY_WRITE;
elsif (cmd_i.word(0)(1 to 11) = "read_config") then -- dab read_control (hdl_node) command
--read arguments
for i in 1 to (cmd_i.cnt-1) loop
v_string(1 to cmd_i.size(i)) := cmd_i.word(i)(1 to cmd_i.size(i));
proc_get_value (
str => v_string(1 to cmd_i.size(i)),
slv => v_value_slv,
result => v_result,
len => v_result_len
);
if not(v_result) then
report "ERROR: Unknown value!";
report "Found: " & cmd_i.word(i)(1 to cmd_i.size(i));
report "Expected: hexadecimal or binary value e.g. 0xABCD or 0b1011010000100100 or X1011010000HLL100"
severity failure;
end if;
if (i=1) then --address
dab_addr_i <= "00000" & ( X"1000" + v_value_slv(15 downto 0));
end if;
end loop;
dab_sel_i <= '1';
dab_delay_cnt <= "11";
sm_control <= DAB_DELAY_READ;
elsif (cmd_i.word(0)(1 to 9) = "read_data") then -- dab read_data (user_logic) command
--read arguments
for i in 1 to (cmd_i.cnt-1) loop
v_string(1 to cmd_i.size(i)) := cmd_i.word(i)(1 to cmd_i.size(i));
proc_get_value (
str => v_string(1 to cmd_i.size(i)),
slv => v_value_slv,
result => v_result,
len => v_result_len
);
if not(v_result) then
report "ERROR: Unknown value!";
report "Found: " & cmd_i.word(i)(1 to cmd_i.size(i));
report "Expected: hexadecimal or binary value e.g. 0xABCD or 0b1011010000100100 or X1011010000HLL100"
severity failure;
end if;
if (i=1) then --address
dab_addr_i <= "00010" & v_value_slv(15 downto 0);
end if;
end loop;
dab_sel_i <= '1';
dab_delay_cnt <= "11";
sm_control <= DAB_DELAY_READ;
elsif (cmd_i.word(0)(1 to 9) = "stream_in") then -- stream settings
--read arguments
for i in 1 to (cmd_i.cnt-1) loop
v_string := (others => NUL);
v_string(1 to cmd_i.size(i)) := cmd_i.word(i)(1 to cmd_i.size(i));
if(i /= 3) then
proc_str_to_int (
str => v_string(1 to cmd_i.size(i)),
int => v_value_int,
result => v_result
);
if not(v_result) then
report "ERROR: Unknown value!";
report "Found: " & cmd_i.word(i)(1 to cmd_i.size(i));
report "Expected: hexadecimal or binary value e.g. 0xABCD or 0b1011010000100100 or X1011010000HLL100"
severity failure;
end if;
end if;
if (i=1) then --stream_no
stream_no := v_value_int;
if(stream_no >= c_input_streams) then
report "ERROR: stream_in command: Stream nr " & integer'image(stream_no) & " invalid, valid stream nrs are 0 to " & integer'image(c_input_streams - 1)
severity failure;
else
data_in_streams(stream_no).enable <= '1';
end if;
elsif (i=2) then --length
data_in_streams(stream_no).length <= v_value_int;
elsif (i=3) then --filename
if(v_string(1) /= NUL) then
data_in_streams(stream_no).filename <= v_string;
else
report "ERROR: stream_in command: Filename cannot be empty"
severity failure;
end if;
end if;
end loop;
sm_control <= IDLE;
elsif (cmd_i.word(0)(1 to 10) = "stream_out") then -- stream settings
--read arguments
for i in 1 to (cmd_i.cnt-1) loop
v_string := (others => NUL);
v_string(1 to cmd_i.size(i)) := cmd_i.word(i)(1 to cmd_i.size(i));
if(i /= 3) then
proc_str_to_int (
str => v_string(1 to cmd_i.size(i)),
int => v_value_int,
result => v_result
);
if not(v_result) then
report "ERROR: Unknown value!";
report "Found: " & cmd_i.word(i)(1 to cmd_i.size(i));
report "Expected: hexadecimal or binary value e.g. 0xABCD or 0b1011010000100100 or X1011010000HLL100"
severity failure;
end if;
end if;
if (i=1) then --stream_no
stream_no := v_value_int;
if(stream_no >= c_output_streams) then
report "ERROR: stream_out command: Stream nr " & integer'image(stream_no) & " invalid, valid stream nrs are 0 to " & integer'image(c_output_streams - 1)
severity failure;
else
data_out_streams(stream_no).enable <= '1';
end if;
elsif (i=2) then --length
data_out_streams(stream_no).length <= v_value_int;
elsif (i=3) then --filename
data_out_streams(stream_no).filename <= v_string;
end if;
end loop;
sm_control <= IDLE;
else
report "ERROR: Unknown command!";
report "Found: " & cmd_i.word(0)
severity failure;
end if;
cmd_accept_i <= '1'; -- do accept command
when DAB_DELAY_WRITE =>
if (dab_delay_cnt /= 0) then
dab_delay_cnt <= dab_delay_cnt - 1;
else
dab_wvalid_i <= '1';
sm_control <= IDLE;
end if;
when DAB_DELAY_READ =>
if (dab_delay_cnt /= 0) then
dab_delay_cnt <= dab_delay_cnt - 1;
else
dab_rvalid_i <= '1';
sm_control <= IDLE;
end if;
end case;
end if;
end if;
end process;
-- Data in streams
data_streams_in : for i in 0 to c_input_streams - 1 generate
signal words_send : integer := 0;
type sm_stream_type is (START_BURST, INTERRUPT_BURST, BURST);
signal sm_stream : sm_stream_type := START_BURST;
signal burst_cnt : integer := 0;
begin
stream_x : process(dab_clk)
file datafile : text;
variable v_file_opened : boolean := false;
variable v_data_file_status : file_open_status;
variable v_data_line : line;
variable v_data_word : string(1 to 10);
begin
if(rising_edge(dab_clk)) then
if(dab_rst = '1') then
streams_in_tdata(i) <= (others => '0');
streams_in_tstream_id(i) <= (others => '0');
streams_in_tvalid(i) <= '0';
in_streams_finished(i) <= '0';
sm_stream <= START_BURST;
else
streams_in_tstream_id(i) <= std_logic_vector(to_unsigned(i,c_hdl_stream_id_width));
if(data_in_streams(i).enable = '1' and words_send < data_in_streams(i).length) then
case(sm_stream) is
when START_BURST =>
if(v_file_opened = false) then
file_open(v_data_file_status, datafile, (string'("../../data/") & data_in_streams(i).filename), read_mode);
if not(v_data_file_status = OPEN_OK) then
report "ERROR: Unable to open data file: " & string'(data_in_streams(i).filename)
severity failure;
else
v_file_opened := true;
end if;
end if;
--read line from data file
if(not endfile(datafile)) then
str_read(datafile, v_data_word);
streams_in_tdata(i) <= hstr_to_slv(v_data_word(3 to 10));
streams_in_tvalid(i) <= '1';
else
report "ERROR: End of file!"
severity failure;
end if;
burst_cnt <= 0;
sm_stream <= BURST;
when BURST =>
if(streams_in_tready(i) = '1' and streams_in_tvalid(i) = '1') then
words_send <= words_send + 1;
burst_cnt <= burst_cnt + 1;
if( (words_send + 1) < data_in_streams(i).length) then
--read line from data file
if(not endfile(datafile)) then
str_read(datafile, v_data_word);
streams_in_tdata(i) <= hstr_to_slv(v_data_word(3 to 10));
if(burst_cnt = 63) then
streams_in_tvalid(i) <= '0';
burst_cnt <= 0;
sm_stream <= INTERRUPT_BURST;
else
streams_in_tvalid(i) <= '1';
end if;
else
file_close(datafile);
report "ERROR: End of file!"
severity failure;
end if;
else
streams_in_tvalid(i) <= '0';
in_streams_finished(i) <= '1';
file_close(datafile);
end if;
end if;
when INTERRUPT_BURST =>
streams_in_tvalid(i) <= '1';
sm_stream <= BURST;
end case;
end if;
end if;
end if;
end process;
end generate;
b2f_tdata_i <= streams_in_tdata(schedule_in_streams);
b2f_tstream_id_i <= streams_in_tstream_id(schedule_in_streams);
b2f_tvalid_i <= streams_in_tvalid(schedule_in_streams);
streams_in_tready <= (schedule_in_streams => b2f_tready_i, others => '0');
-- Data in streams
data_streams_out : for i in 0 to c_output_streams - 1 generate
signal words_received : integer := 0;
type sm_stream_type is (WAITING, BURST, END_BURST);
signal sm_stream : sm_stream_type := WAITING;
begin
stream_x : process(dab_clk)
file datafile : text;
variable v_file_opened : boolean := false;
variable v_data_file_status : file_open_status;
variable v_data_line : line;
variable v_data_word : string(1 to 10);
variable v_expected_data : std_logic_vector(31 downto 0);
begin
if(rising_edge(dab_clk)) then
if(dab_rst = '1') then
streams_out_tready(i) <= '0';
out_streams_finished(i) <= '0';
else
if(data_out_streams(i).enable = '1' and words_received < data_out_streams(i).length) then
streams_out_tready(i) <= '1';
if(data_out_streams(i).filename(1) /= NUL) then
if(v_file_opened = false) then
file_open(v_data_file_status, datafile, (string'("../../data/") & data_out_streams(i).filename), read_mode);
if not(v_data_file_status = OPEN_OK) then
report "ERROR: Unable to open data file: " & string'(data_out_streams(i).filename)
severity failure;
else
v_file_opened := true;
end if;
end if;
end if;
if(f2b_tvalid_i = '1' and streams_out_tready(i) = '1' and conv_integer(f2b_tstream_id_i) = i) then
words_received <= words_received + 1;
if(data_out_streams(i).filename(1) /= NUL) then
--read line from data file
if(not endfile(datafile)) then
str_read(datafile, v_data_word);
v_expected_data := hstr_to_slv(v_data_word(3 to 10));
else
report "ERROR: End of file!"
severity failure;
end if;
assert f2b_tdata_i = v_expected_data
report "ERROR: Received data does not match expected data"
severity failure;
end if;
--read from file and data bus and check (assert)
if( (words_received + 1) = data_out_streams(i).length) then
streams_out_tready(i) <= '0';
out_streams_finished(i) <= '1';
if(data_out_streams(i).filename(1) /= NUL) then
file_close(datafile);
end if;
end if;
end if;
end if;
end if;
end if;
end process;
streams_out_tready_c(i) <= '1' when (streams_out_tready(i) = '1' and conv_integer(f2b_tstream_id_i) = i) else '0';
end generate;
f2b_tready_i <= '1' when (streams_out_tready_c /= std_logic_vector(to_unsigned(0,4))) else '0';
schedule : process(dab_clk)
variable schedule_in_next : integer := 0;
begin
if(rising_edge(dab_clk)) then
if(dab_rst_i = '1') then
schedule_in_streams <= 0;
else
if(streams_in_tvalid(schedule_in_streams) = '0') then
--Schedule, next lane
schedule_in_next := schedule_in_streams;
for s in 0 to c_input_streams - 1 loop
if(schedule_in_next = c_input_streams - 1) then
schedule_in_next := 0;
else
schedule_in_next := schedule_in_next + 1;
end if;
if(streams_in_tvalid(schedule_in_next) = '1') then
exit;
end if;
end loop;
schedule_in_streams <= schedule_in_next;
--Schedule, next lane
end if;
end if;
end if;
end process;
user_clock_0 : process
begin
user_clocks_i(0) <= '0';
wait for 20 ns;
user_clocks_i(0) <= '1';
wait for 20 ns;
end process;
user_clock_1 : process
begin
user_clocks_i(1) <= '0';
wait for 15 ns;
user_clocks_i(1) <= '1';
wait for 15 ns;
end process;
user_clock_2 : process
begin
user_clocks_i(2) <= '0';
wait for 10 ns;
user_clocks_i(2) <= '1';
wait for 10 ns;
end process;
user_clock_3 : process
begin
user_clocks_i(3) <= '0';
wait for 5 ns;
user_clocks_i(3) <= '1';
wait for 5 ns;
end process;
enabled_in: for i in 0 to c_input_streams - 1 generate
begin
in_streams_enabled(i) <= data_in_streams(i).enable;
end generate enabled_in;
enabled_out: for i in 0 to c_output_streams - 1 generate
begin
out_streams_enabled(i) <= data_out_streams(i).enable;
end generate enabled_out;
p_finished: process(dab_clk)
begin
if (rising_edge(dab_clk)) then
if dab_rst_i = '0' then
if(eof_i = '1' and (out_streams_finished = out_streams_enabled and in_streams_finished = in_streams_enabled) ) then
report "*** End of simulation ***";
finish(0);
end if;
end if;
end if;
end process p_finished;
end rtl;
| gpl-2.0 | a6334997d2da6a7dfcb4c72555827e87 | 0.473342 | 4.011543 | false | false | false | false |
jpidancet/mips | rtl/alu.vhd | 1 | 2,236 | library ieee;
use ieee.std_logic_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.ALL;
library work;
use work.mips_defs.ALL;
entity alu is
port (op : in alucontrol_type;
a : in std_logic_vector(31 downto 0);
b : in std_logic_vector(31 downto 0);
shift : in std_logic_vector(4 downto 0);
result : out std_logic_vector(31 downto 0);
overflow : out std_logic);
end entity alu;
architecture rtl of alu is
begin
process (op, a, b)
variable tmp : std_logic_vector(31 downto 0);
begin
case op is
when ALU_SLL =>
result <= std_logic_vector(unsigned(b) sll to_integer(unsigned(shift)));
overflow <= '0';
when ALU_SRL =>
result <= std_logic_vector(unsigned(b) srl to_integer(unsigned(shift)));
overflow <= '0';
when ALU_AND =>
result <= a and b;
overflow <= '0';
when ALU_OR =>
result <= a or b;
overflow <= '0';
when ALU_XOR =>
result <= a xor b;
overflow <= '0';
when ALU_NOR =>
result <= a nor b;
overflow <= '0';
when ALU_ADD =>
tmp := a + b;
result <= tmp;
overflow <= (not a(31) and not b(31) and tmp(31)) or
(a(31) and b(31) and not tmp(31));
when ALU_SUB =>
tmp := a - b;
result <= tmp;
overflow <= (not a(31) and b(31) and tmp(31)) or
(a(31) and not b(31) and not tmp(31));
when ALU_SLT =>
if signed(a) < signed(b) then
result <= (0 => '1', others => '0');
else
result <= (others => '0');
end if;
overflow <= '0';
when ALU_SLTU =>
if unsigned(a) < unsigned(b) then
result <= (0 => '1', others => '0');
else
result <= (others => '0');
end if;
overflow <= '0';
when ALU_BPLUS4 =>
result <= b + 4;
overflow <= '0';
end case;
end process;
end architecture rtl;
| isc | dafe1ca6ead2f7f61ff3dd01e7641e2e | 0.451699 | 3.848537 | false | false | false | false |
dtysky/LD3320_AXI | src/VOICE_ROM_INIT/blk_mem_gen_v8_2/hdl/blk_mem_output_block.vhd | 2 | 17,242 | `protect begin_protected
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`protect encoding = (enctype = "BASE64", line_length = 76, bytes = 11024)
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| mit | e3cca48a2dc3a1bc405f9708ee4f4ad1 | 0.93742 | 1.883342 | false | false | false | false |
malkadi/FGPU | RTL/CU_mem_cntrl.vhd | 1 | 48,424 | -- libraries -------------------------------------------------------------------------------------------{{{
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library work;
use work.all;
use work.FGPU_definitions.all;
---------------------------------------------------------------------------------------------------------}}}
entity CU_mem_cntrl is --{{{
port(
clk : in std_logic;
-- from the CV
cv_wrData : in SLV32_ARRAY(CV_SIZE-1 downto 0); -- level 17.
cv_addr : in GMEM_ADDR_ARRAY; -- level 17.
cv_gmem_we : in std_logic;
cv_gmem_re : in std_logic;
cv_gmem_atomic : in std_logic;
cv_lmem_rqst : in std_logic; -- level 17.
cv_lmem_we : in std_logic;
cv_op_type : in std_logic_vector(2 downto 0); -- level 17.
cv_alu_en : in std_logic_vector(CV_SIZE-1 downto 0);
cv_alu_en_pri_enc : in integer range 0 to CV_SIZE-1 := 0;
cv_rd_addr : in unsigned(REG_FILE_W-1 downto 0);
-- to the CV
regFile_wrAddr : out unsigned(REG_FILE_W-1 downto 0) := (others=>'0'); -- stage -1 (stable for 3 clock cycles)
regFile_we : out std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0'); -- stage 0 (stable for 2 clock cycles) (level 20. for loads from lmem)
regFile_wrData : out SLV32_ARRAY(CV_SIZE-1 downto 0) := (others=>(others=>'0')); -- stage 0 (stable for 2 clock cycles)
regFile_we_lmem_p0 : out std_logic := '0'; -- level 19.
-- interface to the global memory controller
cache_rdAck : in std_logic := '0';
cache_rdAddr : in unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
cache_rdData : in std_logic_vector(DATA_W*CACHE_N_BANKS-1 downto 0);
atomic_rdData : in std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
atomic_rdData_v : in std_logic := '0';
atomic_sgntr : in std_logic_vector(N_CU_STATIONS_W-1 downto 0) := (others=>'0');
gmem_wrData : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
gmem_valid : out std_logic := '0';
gmem_we : out std_logic_vector(DATA_W/8-1 downto 0) := (others=>'0');
gmem_rnw : out std_logic := '0';
gmem_atomic : out std_logic := '0';
gmem_atomic_sgntr : out std_logic_vector(N_CU_STATIONS_W-1 downto 0) := (others=>'0');
gmem_ready : in std_logic;
gmem_rqst_addr : out unsigned(GMEM_WORD_ADDR_W-1 downto 0) := (others=>'0');
-- to CU scheduler
wf_finish : out std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
finish_exec : in std_logic := '0';
cntrl_idle : out std_logic := '0';
nrst : in std_logic
);
end entity; --}}}
architecture Behavioral of CU_mem_cntrl is
-- signals definitions ---------------------------------------------------------------------{{{
-- internal signals definitions {{{
signal gmem_valid_i : std_logic := '0';
signal regFile_wrAddr_i : unsigned(REG_FILE_W-1 downto 0) := (others=>'0');
signal cntrl_idle_i : std_logic := '0';
-- }}}
-- constants & functions {{{
constant N_STATIONS : natural := CV_SIZE*N_STATIONS_ALU;
type stations_for_alu_array is array(CV_SIZE-1 downto 0) of nat_array(N_STATIONS_ALU-1 downto 0);
-- functions ------------------------------------------------------------------ {{{
function distribute_stations_on_ALUs(n_stations: integer; n_alus: integer) return nat_array is
variable res: nat_array(n_stations-1 downto 0) := (others=>0);
begin
for i in 0 to n_stations-1 loop
for k in 0 to n_alus-1 loop
if i < (k+1)*(n_stations/n_alus) and i >= k*(n_stations/n_alus) then
res(i) := k;
exit;
end if;
end loop;
end loop;
return res;
end function;
function order_stations_by_priority(n_stations: integer; n_alus: integer) return nat_array is
-- variable res: nat_array(n_stations-1 downto 0) := (0=>13, 1=>15, 2=>0, 3=>2, 4=>4, 5=>6, 6=>8, 7=>10, 8=>12, 9=>14, 10=>1, 11=>3, 12=>5, 13=>7, 14=>9, 15=>11);
-- variable res: nat_array(n_stations-1 downto 0) := (0=>9, 1=>11, 2=>13, 3=>15, 4=>0, 5=>2, 6=>4, 7=>6, 8=>8, 9=>10, 10=>12, 11=>14, 12=>1, 13=>3, 14=>5, 15=>7);
variable res: nat_array(n_stations-1 downto 0) := (others=>0);
begin
-- if n_stations /= 16 or n_alus /= 8 then
for i in 0 to n_alus-1 loop
for j in 0 to n_stations/n_alus -1 loop
res(i + j*n_alus) := i*n_stations/n_alus + j;
end loop;
end loop;
-- end if;
return res;
end function;
function distribute_alus_on_stations(n_stations: natural; n_alus: natural) return stations_for_alu_array is
variable res: stations_for_alu_array := (others=>(others=>0));
begin
for k in 0 to n_alus-1 loop
for j in 0 to (n_stations/n_alus)-1 loop
res(k)(j) := k*n_stations/n_alus + j;
end loop;
end loop;
return res;
end function;
-------------------------------------------------------------------------------------}}}
--station signals
constant c_alu_for_stations : nat_array(N_STATIONS-1 downto 0) := distribute_stations_on_ALUs(N_STATIONS, CV_SIZE);
constant c_stations_for_alus : stations_for_alu_array := distribute_alus_on_stations(N_STATIONS, CV_SIZE);
constant c_stations_ordered_for_priority: nat_array(N_STATIONS-1 downto 0) := order_stations_by_priority(N_STATIONS, CV_SIZE);
--- }}}
-- finish signals {{{
type st_finish_type is (idle, serving, finished);
type st_finish_array_type is array (natural range<>) of st_finish_type;
signal st_finish, st_finish_n : st_finish_array_type(N_WF_CU-1 downto 0) := (others=>idle);
signal check_finish : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal check_finish_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wf_finish_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal wfs_being_served : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
-- }}}
-- stations signals {{{
type st_station_type is (idle, get_ticket, wait_read_done, write_back, wait_atomic);
type st_station_array is array(natural range <>) of st_station_type;
signal st_stations, st_stations_n : st_station_array(N_STATIONS-1 downto 0) := (others=>idle);
signal station_gmem_addr : gmem_addr_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_gmem_addr_n : gmem_addr_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_rd_addr : reg_addr_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_rd_addr_n : reg_addr_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_free, station_free_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_wait_atomic : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_wait_atomic_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_go, station_go_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_rnw, station_rnw_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_atomic, station_atomic_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_perfomed : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_perfomed_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_rdData_n, station_rdData : SLV32_ARRAY(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_wrData_n, station_wrData : SLV32_ARRAY(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
type op_type_array is array (natural range <>) of std_logic_vector(2 downto 0);
signal station_op_type : op_type_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_op_type_n : op_type_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_written_back : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_written_back_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal regFile_we_latch : std_logic := '0';
signal regFile_we_latch_p0 : std_logic := '0';
signal regFile_we_latch_p0_n : std_logic := '0';
signal ticket_granted : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal stations_prefered : integer range 0 to N_STATIONS_ALU-1 := 0;
signal station_read_performed_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_atomic_perormed : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal atomic_rdData_v_d0 : std_logic := '0';
signal atomic_rdData_v_d1 : std_logic := '0';
signal atomic_rdData_d0 : std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
signal atomic_rdData_d1 : std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
attribute max_fanout of atomic_rdData_d1 : signal is 10;
signal atomic_sgntr_d0 : std_logic_vector(N_CU_STATIONS_W-1 downto 0) := (others=>'0');
signal station_last_atomic_serve : integer range 0 to N_STATIONS-1 := 0;
signal station_wf_indx : wf_active_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
signal station_wf_indx_n : wf_active_array(N_STATIONS-1 downto 0) := (others=>(others=>'0'));
-- }}}
-- memory requests buffer {{{
-- 0..31: DATA, 32:63: ADDR, 64:re, 65:atomic, 66..68: op_type, 69:alu_en, 70..80: rd_addr
constant MEM_RQST_W : integer := DATA_W+GMEM_ADDR_W+1+1+3+1+REG_FILE_W;
constant MEM_RQST_DATA_LOW : integer := 0;
constant MEM_RQST_DATA_HIGH : integer := MEM_RQST_DATA_LOW+DATA_W-1; -- 31
constant MEM_RQST_ADDR_LOW : integer := MEM_RQST_DATA_HIGH+1; -- 32
constant MEM_RQST_ADDR_HIGH : integer := MEM_RQST_ADDR_LOW+GMEM_ADDR_W-1; -- 63
constant MEM_RQST_RE_POS : integer := MEM_RQST_ADDR_HIGH+1; -- 64
constant MEM_RQST_ATOMIC_POS : integer := MEM_RQST_RE_POS+1; -- 65
constant MEM_RQST_OP_TYPE_LOW : integer := MEM_RQST_ATOMIC_POS+1; -- 66
constant MEM_RQST_OP_TYPE_HIGH : integer := MEM_RQST_OP_TYPE_LOW+2; -- 68
constant MEM_RQST_ALU_EN_POS : integer := MEM_RQST_OP_TYPE_HIGH+1; -- 69
constant MEM_RQST_RD_ADDR_LOW : integer := MEM_RQST_ALU_EN_POS+1; -- 70
constant MEM_RQST_RD_ADDR_HIGH : integer := MEM_RQST_RD_ADDR_LOW+REG_FILE_W-1; -- 80
type mem_rqsts_buffer_type is array(natural range <>) of std_logic_vector(CV_SIZE*MEM_RQST_W-1 downto 0);
signal mem_rqsts : mem_rqsts_buffer_type(N_WF_CU*2**(PHASE_W)-1 downto 0) := (others=>(others=>'0'));
signal mem_rqsts_data : SLV32_ARRAY(CV_SIZE-1 downto 0) := (others=>(others=>'0')); -- alias
signal mem_rqsts_addr : gmem_addr_array(CV_SIZE-1 downto 0) := (others=>(others=>'0')); -- alias
signal mem_rqsts_re : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0'); --alias
signal mem_rqsts_atomic : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0'); --alias
signal mem_rqsts_op_type : op_type_array(CV_SIZE-1 downto 0) := (others=>(others=>'0')); -- alias
signal mem_rqsts_rd_addr : reg_addr_array(CV_SIZE-1 downto 0) := (others=>(others=>'0')); -- alias
signal mem_rqsts_alu_en : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0'); --alias
signal mem_rqsts_rdAddr : unsigned(N_WF_CU_W+PHASE_W-1 downto 0) := (others=>'0');
signal mem_rqsts_rdAddr_inc_n : std_logic := '0';
signal mem_rqsts_wrAddr : unsigned(N_WF_CU_W+PHASE_W-1 downto 0) := (others=>'0');
type mem_rqsts_array is array(natural range <>) of std_logic_vector(MEM_RQST_W-1 downto 0);
signal mem_rqsts_rdData_n : std_logic_vector(CV_SIZE*MEM_RQST_W-1 downto 0) := (others=>'0');
signal mem_rqsts_rdData : std_logic_vector(CV_SIZE*MEM_RQST_W-1 downto 0) := (others=>'0');
signal mem_rqsts_rdData_ltchd_n : mem_rqsts_array(CV_SIZE-1 downto 0) := (others=>(others=>'0'));
signal mem_rqsts_rdData_ltchd : mem_rqsts_array(CV_SIZE-1 downto 0) := (others=>(others=>'0'));
attribute max_fanout of mem_rqsts_rdData_ltchd : signal is 300;
signal mem_rqsts_phase_ltchd : std_logic_vector(PHASE_W-1 downto 0) := (others=>'0');
signal mem_rqsts_phase_ltchd_n : std_logic_vector(PHASE_W-1 downto 0) := (others=>'0');
signal mem_rqsts_wf_indx_ltchd : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal mem_rqsts_wf_indx_ltchd_n : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
signal mem_rqsts_wrData : std_logic_vector(CV_SIZE*MEM_RQST_W-1 downto 0) := (others=>'0');
signal mem_rqsts_we : std_logic := '0';
signal mem_rqst_waiting : std_logic := '0';
signal mem_rqst_waiting_p0 : std_logic := '0';
signal mem_rqsts_nserved : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0');
signal mem_rqsts_nserved_n : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0');
-- }}}
-- CV side signals {{{
type st_cv_side_type is (get_rqst, fill_stations, wait_update);
signal st_cv_side, st_cv_side_n : st_cv_side_type := get_rqst;
signal latch_rdData, latch_rdData_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
-- }}}
-- regFile signals {{{
type regFile_interface_type is (choose_rd_addr, update, wait_1_cycle, wait_scratchpad);
signal st_regFile_int, st_regFile_int_n : regFile_interface_type := choose_rd_addr;
signal regFile_wrAddr_p0_n : unsigned(REG_FILE_W-1 downto 0) := (others=>'0');
signal regFile_wrAddr_p0 : unsigned(REG_FILE_W-1 downto 0) := (others=>'0');
signal regFile_we_p0_n, regFile_we_p0 : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0');
-- }}}
-- signals of the request waiting to be processed {{{
type st_waiting_type is (free, one_serve_zero_wait, one_serve_one_wait, zero_serve_one_wait);
type cv_wrData_waiting_type is array(natural range <>) of SLV32_ARRAY(CV_SIZE-1 downto 0);
type cv_addr_waiting_type is array(natural range <>) of GMEM_ADDR_ARRAY(CV_SIZE-1 downto 0);
-- }}}
-- mem interface {{{
signal station_get_ticket : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
signal station_get_ticket_n : std_logic_vector(N_STATIONS-1 downto 0) := (others=>'0');
-- fifo line
-- addr station_sgntr atomic data rnw we
-- GMEM_WORD_ADDR_W N_CU_STATIONS_W 1 DATA_W 1 DATA_W/8
type fifo_type is array (natural range <>) of std_logic_vector(DATA_W+1+DATA_W/8+N_CU_STATIONS_W downto 0);
type fifo_addr_type is array (natural range <>) of std_logic_vector(GMEM_ADDR_W-1 downto 0);
signal fifo : fifo_type(2**FIFO_ADDR_W-1 downto 0) := (others=>(others=>'0'));
signal fifo_addr : fifo_addr_type(2**FIFO_ADDR_W-1 downto 0) := (others=>(others=>'0'));
signal fifo_wrAddr, fifo_rdAddr : unsigned(FIFO_ADDR_W-1 downto 0) := (others=>'0');
signal fifo_wrAddr_n, fifo_rdAddr_n : unsigned(FIFO_ADDR_W-1 downto 0) := (others=>'0');
signal push, push_d0 : std_logic := '0';
signal push_rqst_fifo_n : std_logic := '0';
signal fifo_full : std_logic := '0';
signal pop : std_logic := '0';
signal din_rqst_fifo, din_rqst_fifo_d0 : std_logic_vector(DATA_W+1+DATA_W/8+N_CU_STATIONS_W downto 0) := (others=>'0');
signal din_rqst_fifo_addr : std_logic_vector(GMEM_ADDR_W-1 downto 0) := (others=>'0');
signal din_rqst_fifo_addr_d0 : std_logic_vector(GMEM_ADDR_W-1 downto 0) := (others=>'0');
signal station_slctd_indx, station_slctd_indx_n : natural range 0 to N_STATIONS-1 := 0;
attribute max_fanout of station_slctd_indx : signal is 60; --extra
constant c_rqst_fifo_addr_valid_len : natural := 3;
signal din_rqst_fifo_addr_d0_v : unsigned(c_rqst_fifo_addr_valid_len-1 downto 0) := (others=>'0');
signal fifo_dout : fifo_type(CV_TO_CACHE_SLICE-1 downto 0) := (others=>(others=>'0'));
signal fifo_addr_dout : fifo_addr_type(CV_TO_CACHE_SLICE-1 downto 0) := (others=>(others=>'0'));
signal gmem_valid_vec : std_logic_vector(CV_TO_CACHE_SLICE-1 downto 0) := (others=>'0');
signal pop_vec : std_logic_vector(CV_TO_CACHE_SLICE-1 downto 0) := (others=>'0');
signal lmem_rdData : SLV32_ARRAY(CV_SIZE-1 downto 0) := (others=>(others=>'0'));
signal lmem_rdData_d0 : SLV32_ARRAY(CV_SIZE-1 downto 0) := (others=>(others=>'0'));
signal lmem_rdData_v : std_logic := '0';
signal lmem_rdData_alu_en : std_logic_vector(CV_SIZE-1 downto 0) := (others=>'0');
signal lmem_rdData_rd_addr : unsigned(REG_FILE_W-1 downto 0) := (others=>'0');
signal sp : unsigned(LMEM_ADDR_W-N_WF_CU_W-PHASE_W-1 downto 0) := (others=>'0');
-- }}}
-- read cache buffer signals ----------------------------------------------------------------------------{{{
signal rd_fifo_data, rd_fifo_data_d0 : std_logic_vector(DATA_W*RD_CACHE_N_WORDS-1 downto 0) := (others=>'0');
attribute max_fanout of rd_fifo_data_d0 : signal is 8; --extra
signal rd_fifo_addr : unsigned(GMEM_WORD_ADDR_W-RD_CACHE_N_WORDS_W-1 downto 0) := (others=>'0');
signal rd_fifo_v : std_logic := '0';
---------------------------------------------------------------------------------------------------------}}}
------------------------------------------------------------------------------------------------}}}
begin
-- internal signals assignments -------------------------------------------------------------------------{{{
regFile_wrAddr <= regFile_wrAddr_i;
assert CV_TO_CACHE_SLICE > 0 severity failure;
cntrl_idle <= cntrl_idle_i;
---------------------------------------------------------------------------------------------------------}}}
-- CV interface (get requests) -------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
mem_rqsts_rdData_n <= mem_rqsts(to_integer(mem_rqsts_rdAddr));
if mem_rqsts_we = '1' then
mem_rqsts(to_integer(mem_rqsts_wrAddr)) <= mem_rqsts_wrData;
end if;
mem_rqsts_rdData <= mem_rqsts_rdData_n;
mem_rqsts_we <= '0';
if cv_gmem_re = '1' or cv_gmem_we = '1' or (ATOMIC_IMPLEMENT /= 0 and cv_gmem_atomic = '1') then
mem_rqsts_we <= '1';
end if;
for i in 0 to CV_SIZE-1 loop
mem_rqsts_wrData(i*MEM_RQST_W+MEM_RQST_DATA_HIGH downto i*MEM_RQST_W+MEM_RQST_DATA_LOW) <= cv_wrData(i);
mem_rqsts_wrData(i*MEM_RQST_W+MEM_RQST_ADDR_HIGH downto i*MEM_RQST_W+MEM_RQST_ADDR_LOW) <= std_logic_vector(cv_addr(i));
mem_rqsts_wrData(i*MEM_RQST_W+MEM_RQST_RE_POS) <= cv_gmem_re;
if ATOMIC_IMPLEMENT /= 0 then
mem_rqsts_wrData(i*MEM_RQST_W+MEM_RQST_ATOMIC_POS) <= cv_gmem_atomic;
end if;
mem_rqsts_wrData(i*MEM_RQST_W+MEM_RQST_OP_TYPE_HIGH downto i*MEM_RQST_W+MEM_RQST_OP_TYPE_LOW) <= cv_op_type;
mem_rqsts_wrData(i*MEM_RQST_W+MEM_RQST_ALU_EN_POS) <= cv_alu_en(i);
mem_rqsts_wrData(i*MEM_RQST_W+MEM_RQST_RD_ADDR_HIGH downto i*MEM_RQST_W+MEM_RQST_RD_ADDR_LOW) <= std_logic_vector(cv_rd_addr);
end loop;
mem_rqst_waiting_p0 <= '0';
if mem_rqsts_wrAddr /= mem_rqsts_rdAddr then
mem_rqst_waiting_p0 <= '1';
end if;
mem_rqst_waiting <= mem_rqst_waiting_p0;
if nrst = '0' then
mem_rqsts_wrAddr <= (others=>'0');
mem_rqsts_rdAddr <= (others=>'0');
else
if mem_rqsts_we = '1' then
mem_rqsts_wrAddr <= mem_rqsts_wrAddr + 1;
end if;
if mem_rqsts_rdAddr_inc_n = '1' then
mem_rqsts_rdAddr <= mem_rqsts_rdAddr + 1;
end if;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- CV interface (schedule requests) -------------------------------------------------------------------{{{
cv_side_trans: process(clk)
begin
if rising_edge(clk) then
station_go <= station_go_n;
mem_rqsts_rdData_ltchd <= mem_rqsts_rdData_ltchd_n;
mem_rqsts_phase_ltchd <= mem_rqsts_phase_ltchd_n;
mem_rqsts_wf_indx_ltchd <= mem_rqsts_wf_indx_ltchd_n;
mem_rqsts_nserved <= mem_rqsts_nserved_n;
check_finish <= check_finish_n;
if nrst = '0' then
st_cv_side <= get_rqst;
else
st_cv_side <= st_cv_side_n;
end if;
end if;
end process;
cv_side_comb: process(st_cv_side, mem_rqst_waiting, station_free, mem_rqsts_rdData, mem_rqsts_nserved, mem_rqsts_phase_ltchd,
mem_rqsts_rdData_ltchd, mem_rqsts_wf_indx_ltchd)
begin
st_cv_side_n <= st_cv_side;
station_go_n <= (others=>'0');
mem_rqsts_rdAddr_inc_n <= '0';
mem_rqsts_nserved_n <= mem_rqsts_nserved;
check_finish_n <= (others=>'0');
mem_rqsts_rdData_ltchd_n <= mem_rqsts_rdData_ltchd;
mem_rqsts_wf_indx_ltchd_n <= mem_rqsts_wf_indx_ltchd;
mem_rqsts_phase_ltchd_n <= mem_rqsts_phase_ltchd;
case st_cv_side is
when get_rqst =>
for i in 0 to CV_SIZE-1 loop
mem_rqsts_rdData_ltchd_n(i) <= mem_rqsts_rdData((i+1)*MEM_RQST_W-1 downto i*MEM_RQST_W);
end loop;
-- latch wf_indx and phase from first ALU
mem_rqsts_wf_indx_ltchd_n <= (others=>'0');
mem_rqsts_wf_indx_ltchd_n(to_integer(unsigned(
mem_rqsts_rdData(MEM_RQST_RD_ADDR_LOW+WI_REG_ADDR_W+N_WF_CU_W-1 downto MEM_RQST_RD_ADDR_LOW+WI_REG_ADDR_W)))) <= '1';
mem_rqsts_phase_ltchd_n(1 downto 0) <= mem_rqsts_rdData(MEM_RQST_RD_ADDR_HIGH downto MEM_RQST_RD_ADDR_HIGH-1);
mem_rqsts_phase_ltchd_n(2) <= mem_rqsts_rdData(MEM_RQST_RD_ADDR_HIGH-2);
for i in 0 to CV_SIZE-1 loop
mem_rqsts_nserved_n(i) <= mem_rqsts_rdData(i*MEM_RQST_W + MEM_RQST_ALU_EN_POS);
end loop;
if mem_rqst_waiting = '1' then
st_cv_side_n <= fill_stations;
mem_rqsts_rdAddr_inc_n <= '1';
end if;
when fill_stations =>
for i in 0 to cv_size-1 loop
for j in 0 to n_stations_alu-1 loop
if station_free(c_stations_for_alus(i)(j)) = '1' and mem_rqsts_nserved(i) = '1' then
station_go_n(c_stations_for_alus(i)(j)) <= '1';
mem_rqsts_nserved_n(i) <= '0';
exit;
end if;
end loop;
end loop;
if mem_rqsts_nserved = (mem_rqsts_nserved'reverse_range => '0') then
st_cv_side_n <= wait_update;
end if;
when wait_update => -- necessary to wait for mem_rqsts_rdData to be ready in case no alu was enabled
st_cv_side_n <= get_rqst;
if mem_rqsts_phase_ltchd = (mem_rqsts_phase_ltchd'reverse_range=>'1') then
check_finish_n <= mem_rqsts_wf_indx_ltchd;
end if;
end case;
end process;
----------------------------------------------------------------------------------------- }}}
-- gmem controller interface -------------------------------------------------------------------------------------------{{{
-- fifo {{{
process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
gmem_valid_vec <= (others=>'0');
else
if pop = '1' or gmem_valid_vec /= (gmem_valid_vec'reverse_range=>'1') then
gmem_valid_vec(gmem_valid_vec'high) <= gmem_valid_i;
end if;
for i in CV_TO_CACHE_SLICE-1 downto 1 loop
if pop = '1' or gmem_valid_vec(i-1 downto 0) /= (i-1 downto 0=>'1') then
gmem_valid_vec(i-1) <= gmem_valid_vec(i);
end if;
end loop;
end if;
if push_d0 = '1' then
fifo(to_integer(fifo_wrAddr)) <= din_rqst_fifo_d0;
fifo_addr(to_integer(fifo_wrAddr)) <= din_rqst_fifo_addr_d0;
end if;
if pop = '1' or gmem_valid_vec /= (gmem_valid_vec'reverse_range=>'1') then
fifo_addr_dout(fifo_addr_dout'high) <= fifo_addr(to_integer(fifo_rdAddr));
fifo_dout(fifo_dout'high) <= fifo(to_integer(fifo_rdAddr));
end if;
for i in CV_TO_CACHE_SLICE-1 downto 1 loop
if pop = '1' or gmem_valid_vec(i-1 downto 0) /= (i-1 downto 0=>'1') then
fifo_addr_dout(i-1) <= fifo_addr_dout(i);
fifo_dout(i-1) <= fifo_dout(i);
end if;
end loop;
if pop = '1' or gmem_valid_vec(CV_TO_CACHE_SLICE-2 downto 0) /= (0 to CV_TO_CACHE_SLICE-2 =>'1') then
if SUB_INTEGER_IMPLEMENT /= 0 then
case fifo_dout(CV_TO_CACHE_SLICE-1)(DATA_W+1+DATA_W/8)&fifo_dout(CV_TO_CACHE_SLICE-1)(2 downto 0) is -- DATA_W+1+DATA_W/8 for atomic bit
when "0001" => -- byte
case fifo_addr_dout(CV_TO_CACHE_SLICE-1)(1 downto 0) is
when "00" => -- 1st byte
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= "0001";
when "01" => -- 2nd byte
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= "0010";
fifo_dout(CV_TO_CACHE_SLICE-2)(2*8+5-1 downto 5+8) <= fifo_dout(CV_TO_CACHE_SLICE-1)(7+5 downto 5);
when "10" => -- 3rd byte
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= "0100";
fifo_dout(CV_TO_CACHE_SLICE-2)(3*8+5-1 downto 5+2*8) <= fifo_dout(CV_TO_CACHE_SLICE-1)(7+5 downto 5);
when others => -- 4th byte
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= "1000";
fifo_dout(CV_TO_CACHE_SLICE-2)(4*8+5-1 downto 5+3*8) <= fifo_dout(CV_TO_CACHE_SLICE-1)(7+5 downto 5);
end case;
when "0010" => -- half
case fifo_addr_dout(CV_TO_CACHE_SLICE-1)(1) is
when '0' => -- 1st half
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= "0011";
when others => -- 2nd half
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= "1100";
fifo_dout(CV_TO_CACHE_SLICE-2)(4*8+5-1 downto 5+2*8) <= fifo_dout(CV_TO_CACHE_SLICE-1)(2*8+5-1 downto 5);
end case;
when "0100" => -- word
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= (others=>'1');
when others=>
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= '0'&fifo_dout(CV_TO_CACHE_SLICE-1)(2 downto 0);
end case;
else
case fifo_dout(CV_TO_CACHE_SLICE-1)(DATA_W+1+DATA_W/8)&fifo_dout(CV_TO_CACHE_SLICE-1)(2 downto 0) is -- DATA_W+1+DATA_W/8 for atomic bit
when "0100" => -- word
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= (others=>'1');
when others=>
fifo_dout(CV_TO_CACHE_SLICE-2)(3 downto 0) <= '0'&fifo_dout(CV_TO_CACHE_SLICE-1)(2 downto 0);
end case;
end if;
end if;
end if;
end process;
-- fifo read port
gmem_rqst_addr <= unsigned(fifo_addr_dout(0)(GMEM_ADDR_W-1 downto 2));
gmem_wrData <= fifo_dout(0)(DATA_W+DATA_W/8+1-1 downto DATA_W/8+1);
gmem_rnw <= fifo_dout(0)(DATA_W/8);
gmem_we <= fifo_dout(0)(DATA_W/8-1 downto 0);
-- assert gmem_rqst_addr(GMEM_WORD_ADDR_W-1 downto GMEM_WORD_ADDR_W-4) = X"01" or gmem_we /= X"F" severity failure;
atomic_signals: if ATOMIC_IMPLEMENT /= 0 generate
gmem_atomic <= fifo_dout(0)(DATA_W+DATA_W/8+1);
gmem_atomic_sgntr <= fifo_dout(0)(din_rqst_fifo'high downto din_rqst_fifo'high - N_CU_STATIONS_W+1);
end generate;
gmem_valid <= gmem_valid_vec(0);
pop <= gmem_valid_vec(0) and gmem_ready;
-- prepare write data into the fifo
din_rqst_fifo_addr <= std_logic_vector(station_gmem_addr(station_slctd_indx));
din_rqst_fifo(din_rqst_fifo'high downto din_rqst_fifo'high-N_CU_STATIONS_W+1) <= std_logic_vector(to_unsigned(station_slctd_indx, N_CU_STATIONS_W));
atomic_din: if ATOMIC_IMPLEMENT /= 0 generate
din_rqst_fifo(DATA_W+1+DATA_W/8) <= station_atomic(station_slctd_indx);
end generate;
din_rqst_fifo(DATA_W+1+DATA_W/8-1 downto 1+DATA_W/8) <= station_wrData(station_slctd_indx);
din_rqst_fifo(DATA_W/8) <= station_rnw(station_slctd_indx);
din_rqst_fifo(2 downto 0) <= station_op_type(station_slctd_indx);
rqst_fifo: process(clk)
begin
if rising_edge(clk) then
push_d0 <= push;
if din_rqst_fifo_addr_d0_v /= (din_rqst_fifo_addr_d0_v'reverse_range=>'0') and
din_rqst_fifo_addr_d0(GMEM_ADDR_W-1 downto CACHE_N_BANKS_W+2) = din_rqst_fifo_addr(GMEM_ADDR_W-1 downto CACHE_N_BANKS_W+2) and
din_rqst_fifo_d0(DATA_W/8) = '1' and din_rqst_fifo(DATA_W/8) = '1' then
push_d0 <= '0';
end if;
din_rqst_fifo_addr_d0_v(din_rqst_fifo_addr_d0_v'high) <= '0';
din_rqst_fifo_addr_d0_v(din_rqst_fifo_addr_d0_v'high-1 downto 0) <= din_rqst_fifo_addr_d0_v(din_rqst_fifo_addr_d0_v'high downto 1);
if push = '1' then
din_rqst_fifo_d0 <= din_rqst_fifo;
din_rqst_fifo_addr_d0 <= din_rqst_fifo_addr;
din_rqst_fifo_addr_d0_v(din_rqst_fifo_addr_d0_v'high) <= '1';
end if;
if din_rqst_fifo_addr_d0(GMEM_ADDR_W-1 downto CACHE_N_BANKS_W+2) = std_logic_vector(cache_rdAddr) and cache_rdAck = '1' then
din_rqst_fifo_addr_d0_v <= (others=>'0');
-- report "clean happened";
end if;
if nrst = '0' then
fifo_wrAddr <= (others=>'0');
fifo_rdAddr <= (others=>'0');
fifo_full <= '0';
gmem_valid_i <= '0';
else
if push_d0 = '1' then
fifo_wrAddr <= fifo_wrAddr +1;
end if;
if (pop = '1' or gmem_valid_vec(gmem_valid_vec'high downto 0) /= (0 to gmem_valid_vec'high =>'1')) and gmem_valid_i = '1' then
fifo_rdAddr <= fifo_rdAddr + 1;
end if;
if push_d0 = '0' and (pop = '1' or gmem_valid_vec(gmem_valid_vec'high downto 0) /= (0 to gmem_valid_vec'high =>'1')) then
if fifo_rdAddr = fifo_wrAddr+2 then
fifo_full <= '0';
end if;
if fifo_rdAddr+1 = fifo_wrAddr then
gmem_valid_i <= '0';
end if;
end if;
if push_d0 = '1' then
gmem_valid_i <= '1';
if fifo_rdAddr = fifo_wrAddr+3 and (pop = '0' and gmem_valid_vec(gmem_valid_vec'high downto 0) = (0 to gmem_valid_vec'high =>'1')) then -- 2 because of extra clock delay (push -> push_d0)
fifo_full <= '1';
end if;
end if;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
process(clk)
begin
if rising_edge(clk) then
push <= push_rqst_fifo_n;
station_slctd_indx <= station_slctd_indx_n;
end if;
end process;
process(station_get_ticket, fifo_full)
variable station : natural range 0 to N_STATIONS-1 := 0;
begin
ticket_granted <= (others=>'0');
push_rqst_fifo_n <= '0';
station_slctd_indx_n <= 0;
-- grant ticket
if fifo_full = '0' then
for i in 0 to N_STATIONS-1 loop
station := c_stations_ordered_for_priority(i);
-- station := i;
if station_get_ticket(station) = '1' then
push_rqst_fifo_n <= '1';
station_slctd_indx_n <= station;
ticket_granted(station) <= '1';
exit;
end if;
end loop;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- stations FSMs -------------------------------------------------------------------------------------------{{{
tras_stations: process(clk) -- {{{
begin
if rising_edge(clk) then
station_free <= station_free_n;
rd_fifo_data_d0 <= rd_fifo_data;
station_gmem_addr <= station_gmem_addr_n;
station_rd_addr <= station_rd_addr_n;
station_wf_indx <= station_wf_indx_n;
station_rnw <= station_rnw_n;
if ATOMIC_IMPLEMENT /= 0 then
station_atomic <= station_atomic_n;
end if;
station_rdData <= station_rdData_n;
station_wrData <= station_wrData_n;
station_op_type <= station_op_type_n;
if nrst = '0' then
st_stations <= (others=>idle);
station_get_ticket <= (others=>'0');
station_perfomed <= (others=>'0');
if ATOMIC_IMPLEMENT /= 0 then
station_wait_atomic <= (others=>'0');
end if;
else
st_stations <= st_stations_n;
station_get_ticket <= station_get_ticket_n;
station_perfomed <= station_perfomed_n;
if ATOMIC_IMPLEMENT /= 0 then
station_wait_atomic <= station_wait_atomic_n;
end if;
end if;
end if;
end process; -- }}}
stations_read_performed: process(station_gmem_addr, rd_fifo_addr, rd_fifo_v) -- {{{
begin
station_read_performed_n <= (others=>'0');
for i in 0 to N_STATIONS-1 loop
if station_gmem_addr(i)(GMEM_ADDR_W-1 downto 2+RD_CACHE_N_WORDS_W) = rd_fifo_addr and rd_fifo_v = '1' then
station_read_performed_n(i) <= '1';
end if;
end loop;
end process; -- }}}
process(clk)
begin
if rising_edge(clk) then
if ATOMIC_IMPLEMENT /= 0 then
atomic_rdData_v_d0 <= atomic_rdData_v;
atomic_rdData_v_d1 <= atomic_rdData_v_d0;
atomic_sgntr_d0 <= atomic_sgntr;
atomic_rdData_d0 <= atomic_rdData;
atomic_rdData_d1 <= atomic_rdData_d0;
station_atomic_perormed <= (others=>'0');
for i in 0 to N_STATIONS-1 loop
-- if station_gmem_addr(i)(GMEM_ADDR_W-1 downto 2) = atomic_rdAddr_d0 and atomic_rdData_v_d0 = '1' and
-- station_op_type(i) = atomic_rdData_type_d0 and station_wait_atomic(i) = '1' and
-- (station_last_atomic_serve /= i or atomic_rdData_v_d1 = '0')then
-- station_last_atomic_serve <= i;
if unsigned(atomic_sgntr_d0) = to_unsigned(i, N_CU_STATIONS_W) and atomic_rdData_v_d0 = '1' and station_wait_atomic(i) = '1' then
station_atomic_perormed(i) <= '1';
end if;
end loop;
end if;
end if;
end process;
process(st_stations, station_free, station_go, station_gmem_addr, station_rd_addr, station_rnw, mem_rqsts_wf_indx_ltchd,
station_get_ticket, station_op_type, ticket_granted, station_perfomed, station_written_back, station_wrData,
station_rdData, rd_fifo_data_d0, station_read_performed_n, latch_rdData, station_atomic, station_wait_atomic,
station_atomic_perormed, atomic_rdData_d1, mem_rqsts_rdData_ltchd, station_wf_indx)
variable rdIndx : integer range 0 to CACHE_N_BANKS-1 := 0;
begin
for i in 0 to N_STATIONS-1 loop
station_rnw_n(i) <= station_rnw(i);
if ATOMIC_IMPLEMENT /= 0 then
station_atomic_n(i) <= station_atomic(i);
station_wait_atomic_n(i) <= station_wait_atomic(i);
end if;
station_rd_addr_n(i) <= station_rd_addr(i);
station_gmem_addr_n(i) <= station_gmem_addr(i);
station_free_n(i) <= station_free(i);
st_stations_n(i) <= st_stations(i);
station_get_ticket_n(i) <= station_get_ticket(i);
station_rdData_n(i) <= station_rdData(i);
station_perfomed_n(i) <= station_perfomed(i);
station_wrData_n(i) <= station_wrData(i);
station_op_type_n(i) <= station_op_type(i);
latch_rdData_n(i) <= '0';
station_wf_indx_n(i) <= station_wf_indx(i);
case st_stations(i) is
when idle => -- {{{
station_free_n(i) <= '1';
station_wf_indx_n(i) <= mem_rqsts_wf_indx_ltchd;
if station_go(i) = '1' then
st_stations_n(i) <= get_ticket;
station_get_ticket_n(i) <= '1';
station_free_n(i) <= '0';
station_gmem_addr_n(i) <= unsigned(mem_rqsts_rdData_ltchd(c_alu_for_stations(i))(MEM_RQST_ADDR_HIGH downto MEM_RQST_ADDR_LOW));
station_rd_addr_n(i) <= unsigned(mem_rqsts_rdData_ltchd(c_alu_for_stations(i))(MEM_RQST_RD_ADDR_HIGH downto MEM_RQST_RD_ADDR_LOW));
station_rnw_n(i) <= mem_rqsts_rdData_ltchd(c_alu_for_stations(i))(MEM_RQST_RE_POS);
if ATOMIC_IMPLEMENT /= 0 then
station_atomic_n(i) <= mem_rqsts_rdData_ltchd(c_alu_for_stations(i))(MEM_RQST_ATOMIC_POS);
end if;
station_wrData_n(i) <= mem_rqsts_rdData_ltchd(c_alu_for_stations(i))(MEM_RQST_DATA_HIGH downto MEM_RQST_DATA_LOW);
station_op_type_n(i) <= mem_rqsts_rdData_ltchd(c_alu_for_stations(i))(MEM_RQST_OP_TYPE_HIGH downto MEM_RQST_OP_TYPE_LOW);
end if; -- }}}
when get_ticket => -- {{{
-- assert (station_gmem_addr(i)(17 downto 2) = unsigned(station_wrData(i)(15 downto 0))) or station_rnw(i) = '1'
-- report integer'image(to_integer(station_gmem_addr(i)(GMEM_ADDR_W-1 downto 2))) & ", data = " &
-- integer'image(to_integer(unsigned(station_wrData(i)))) severity failure;
if station_rnw(i) = '1' and station_read_performed_n(i) = '1' then
station_get_ticket_n(i) <= '0';
station_perfomed_n(i) <= '1';
st_stations_n(i) <= write_back;
latch_rdData_n(i) <= '1';
station_get_ticket_n(i) <= '0';
elsif ticket_granted(i) = '1' then
if station_rnw(i) = '1' then
st_stations_n(i) <= wait_read_done;
elsif ATOMIC_IMPLEMENT /= 0 and station_atomic(i) = '1' then
st_stations_n(i) <= wait_atomic;
station_wait_atomic_n(i) <= '1';
else
st_stations_n(i) <= idle;
station_free_n(i) <= '1';
end if;
station_get_ticket_n(i) <= '0';
end if; -- }}}
when wait_atomic => -- {{{
if ATOMIC_IMPLEMENT /= 0 then
station_rdData_n(i) <= atomic_rdData_d1;
if station_atomic_perormed(i) = '1' then
st_stations_n(i) <= write_back;
station_perfomed_n(i) <= '1';
station_wait_atomic_n(i) <= '0';
end if;
end if;
-- }}}
when wait_read_done => -- {{{
if station_read_performed_n(i) = '1' then
latch_rdData_n(i) <= '1';
st_stations_n(i) <= write_back;
station_perfomed_n(i) <= '1';
end if; -- }}}
when write_back => -- {{{
if latch_rdData(i) = '1' then
if RD_CACHE_N_WORDS_W /= 0 then
rdIndx := to_integer(station_gmem_addr(i)(max(RD_CACHE_N_WORDS_W,1)+2-1 downto 2));
else
rdIndx := 0;
end if;
station_rdData_n(i) <= rd_fifo_data_d0((rdIndx+1)*DATA_W-1 downto rdIndx*DATA_W);
end if;
if station_written_back(i) = '1' then
st_stations_n(i) <= idle;
station_free_n(i) <= '1';
station_perfomed_n(i) <= '0';
end if; -- }}}
end case;
end loop;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- regFile interface ---------------------------------------------------------------------------------------{{{
-- regFile comb process ---------------------------------------------------------------------------------{{{
process(st_regFile_int, station_perfomed, regFile_wrAddr_p0, station_rd_addr, station_written_back, cv_lmem_rqst)
begin
st_regFile_int_n <= st_regFile_int;
regFile_wrAddr_p0_n <= regFile_wrAddr_p0;
regFile_we_p0_n <= (others=>'0');
station_written_back_n <= (others=>'0');
regFile_we_latch_p0_n <= '0';
case st_regFile_int is
when choose_rd_addr =>
for i in N_STATIONS-1 downto 0 loop
if station_perfomed(i) = '1' and station_written_back(i) = '0' then
regFile_wrAddr_p0_n <= station_rd_addr(i);
st_regFile_int_n <= update;
end if;
end loop;
if LMEM_IMPLEMENT /= 0 and cv_lmem_rqst = '1' then
st_regFile_int_n <= wait_scratchpad;
end if;
when update =>
st_regFile_int_n <= wait_1_cycle;
if LMEM_IMPLEMENT /= 0 and cv_lmem_rqst = '1' then
st_regFile_int_n <= wait_scratchpad;
else
for i in 0 to CV_SIZE-1 loop
for j in N_STATIONS_ALU-1 downto 0 loop
if station_perfomed(i*N_STATIONS_ALU+j) = '1' and station_rd_addr(i*N_STATIONS_ALU+j) = regFile_wrAddr_p0 then
regFile_we_p0_n(i) <= '1';
station_written_back_n(i*N_STATIONS_ALU+j) <= '1';
regFile_we_latch_p0_n <= '1';
end if;
end loop;
end loop;
end if;
when wait_1_cycle =>
st_regFile_int_n <= choose_rd_addr;
when wait_scratchpad =>
if LMEM_IMPLEMENT /= 0 and cv_lmem_rqst = '0' then
st_regFile_int_n <= choose_rd_addr;
end if;
end case;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- regFile trans process --------------------------------------------------------------------------------{{{
regFile_we_lmem_p0 <= lmem_rdData_v; -- @ level 19.
regFile_side_trans: process(clk)
begin
if rising_edge(clk) then
regFile_we_p0 <= regFile_we_p0_n;
latch_rdData <= latch_rdData_n;
station_written_back <= station_written_back_n;
regFile_we_latch_p0 <= regFile_we_latch_p0_n;
regFile_we_latch <= regFile_we_latch_p0;
regFile_wrAddr_i <= regFile_wrAddr_p0;
if regFile_we_latch = '0' then
regFile_we <= regFile_we_p0;
end if;
regFile_wrAddr_p0 <= regFile_wrAddr_p0_n;
lmem_rdData_d0 <= lmem_rdData; -- @ 20.
if LMEM_IMPLEMENT /= 0 and lmem_rdData_v = '1' then -- level 19.
regFile_we <= lmem_rdData_alu_en; -- @ 20.
regFile_wrAddr_i <= lmem_rdData_rd_addr; -- @ 20.
end if;
if LMEM_IMPLEMENT /= 0 and regFile_we_latch = '0' then
regFile_wrData <= lmem_rdData; -- @ 20.
end if;
for i in 0 to CV_SIZE-1 loop
for j in N_STATIONS_ALU-1 downto 0 loop
if station_written_back(i*N_STATIONS_ALU+j) = '1' then
regFile_wrData(i) <= station_rdData(i*N_STATIONS_ALU+j);
end if;
end loop;
end loop;
if nrst = '0' then
st_regFile_int <= choose_rd_addr;
else
st_regFile_int <= st_regFile_int_n;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-----------------------------------------------------------------------------------}}}
-- gmem finished -------------------------------------------------------{{{
process(clk)
variable wf_busy_indices : std_logic_vector(N_WF_CU-1 downto 0) := (others=>'0');
begin
if rising_edge(clk) then
wf_finish <= wf_finish_n;
if nrst = '0' then
st_finish <= (others=>idle);
else
st_finish <= st_finish_n;
end if;
wf_busy_indices := (others=>'0');
for i in 0 to N_STATIONS-1 loop
if station_free(i) = '0' then
wf_busy_indices := wf_busy_indices or station_wf_indx(i);
end if;
end loop;
wfs_being_served <= wf_busy_indices;
end if;
end process;
st_finish_array: for i in 0 to N_WF_CU-1 generate
begin
process(st_finish(i), check_finish(i), wfs_being_served(i))
begin
st_finish_n(i) <= st_finish(i);
wf_finish_n(i) <= '0';
case st_finish(i) is
when idle =>
if check_finish(i) = '1' then
st_finish_n(i) <= serving;
end if;
when serving =>
if wfs_being_served(i) = '0' then
st_finish_n(i) <= finished;
end if;
when finished =>
wf_finish_n(i) <= '1';
st_finish_n(i) <= idle;
end case;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- controller idle -------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
cntrl_idle_i <= '0';
if station_free = (station_free'reverse_range=>'1') and gmem_valid_i = '0' and st_cv_side = get_rqst then
cntrl_idle_i <= '1';
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- cache read fifo -------------------------------------------------------------------------------------------{{{
-- cu_mem_cntrl <- port A (myram) port B -> cache
cache_rd_buffer_inst: entity rd_cache_fifo
generic map (
SIZEA => 2**(RD_CACHE_FIFO_PORTB_ADDR_W+CACHE_N_BANKS_W-RD_CACHE_N_WORDS_W),
ADDRWIDTHA => RD_CACHE_FIFO_PORTB_ADDR_W+CACHE_N_BANKS_W-RD_CACHE_N_WORDS_W,
SIZEB => 2**RD_CACHE_FIFO_PORTB_ADDR_W,
ADDRWIDTHB => RD_CACHE_FIFO_PORTB_ADDR_W
)
port map(
clk => clk,
push => cache_rdAck,
cache_rdData => cache_rdData,
cache_rdAddr => cache_rdAddr,
rdData => rd_fifo_data,
rdAddr => rd_fifo_addr,
nempty => rd_fifo_v,
nrst => nrst
);
---------------------------------------------------------------------------------------------------------}}}
-- lmem -------------------------------------------------------------------------------------------------{{{
local_memory_inst: if LMEM_IMPLEMENT /= 0 generate
begin
sp <= cv_addr(cv_alu_en_pri_enc)(LMEM_ADDR_W-N_WF_CU_W-PHASE_W-1 downto 0);
local_memory: entity lmem
port map(
clk => clk,
rqst => cv_lmem_rqst, -- level 17.
we => cv_lmem_we,
alu_en => cv_alu_en,
wrData => cv_wrData,
rdData => lmem_rdData, -- level 19.
rdData_rd_addr => lmem_rdData_rd_addr, -- level 19.
rdData_v => lmem_rdData_v, -- level 19.
rdData_alu_en => lmem_rdData_alu_en, -- level 19.
-- connect all of cv_addr; you have 8 SPs!!
sp => sp,
rd_addr => cv_rd_addr,
nrst => nrst
);
end generate;
---------------------------------------------------------------------------------------------------------}}}
end architecture;
| gpl-3.0 | 3f09e7127002a8ea848484ea81a4f72d | 0.519639 | 3.393651 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_no_fdiv_area_estimation.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FSLT_IMPLEMENT : integer := 1;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | a44de22ad437649e4d322fd01f514bd2 | 0.567707 | 3.729005 | false | false | false | false |
joalcava/sparcv8-monocicle | register_file.vhd | 1 | 1,081 | library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
entity register_file is
Port( Wren : in STD_LOGIC;
rst : in STD_LOGIC;
rs1 : in STD_LOGIC_VECTOR (5 downto 0);
rs2 : in STD_LOGIC_VECTOR (5 downto 0);
rd : in STD_LOGIC_VECTOR (5 downto 0);
data : in STD_LOGIC_VECTOR (31 downto 0);
crs1 : out STD_LOGIC_VECTOR (31 downto 0);
crs2 : out STD_LOGIC_VECTOR (31 downto 0);
crd : out STD_LOGIC_VECTOR (31 downto 0)
);
end register_file;
architecture ArqRegFile of register_file is
type ram_type is array (0 to 39) of std_logic_vector (31 downto 0);
signal reg : ram_type := (others => x"00000000");
begin
process(rst, rs1, rs2, rd,data)
begin
if (rst = '0') then
crs1 <= reg(conv_integer(rs1 ));
crs2 <= reg(conv_integer(rs2 ));
crd <= reg(conv_integer(rd ));
if(rd /= "00000" and Wren ='1') then
reg(conv_integer(rd)) <= data;
end if;
elsif (rst='1') then
crs1 <= x"00000000";
crs2 <= x"00000000";
reg <= (others => x"00000000");
end if;
end process;
end ArqRegFile;
| gpl-3.0 | 74c45b379c857e7e31b66915f8c49de0 | 0.623497 | 2.722922 | false | false | false | false |
wltr/cern-fgclite | nanofip_fpga/src/rtl/nanofip/wf_model_constr_decoder.vhd | 1 | 11,488 | --_________________________________________________________________________________________________
-- |
-- |The nanoFIP| |
-- |
-- CERN,BE/CO-HT |
--________________________________________________________________________________________________|
---------------------------------------------------------------------------------------------------
-- |
-- wf_model_constr_decoder |
-- |
---------------------------------------------------------------------------------------------------
-- File wf_model_constr_decoder.vhd |
-- |
-- Description Generation of the nanoFIP output S_ID and decoding of the inputs C_ID and M_ID. |
-- The output S_ID0 is a clock with period the double of uclk's period and the S_ID1 |
-- is the opposite clock (it is '0' when S_ID0 is '1' and '1' when S_ID0 is '0'). |
-- Each one of the 4 pins of the M_ID and C_ID can be connected to either Vcc, Gnd, |
-- S_ID1 or S_ID0. Like this (after 2 uclk periods) the 8 bits of the Model and |
-- Constructor words take a value, according to the table: Gnd 00 |
-- S_ID0 01 |
-- S_ID1 10 |
-- Vcc 11 |
-- |
-- Authors Pablo Alvarez Sanchez ([email protected]) |
-- Evangelia Gousiou ([email protected]) |
-- Date 21/01/2011 |
-- Version v0.03 |
-- Depends on wf_reset_unit |
---------------- |
-- Last changes |
-- 11/09/2009 v0.01 PAS First version |
-- 20/08/2010 v0.02 EG S_ID corrected so that S_ID0 is always the opposite of S_ID1 |
-- "for" loop replaced with signals concatenation; |
-- Counter is of c_RELOAD_MID_CID bits; Code cleaned-up |
-- 06/10/2010 v0.03 EG generic c_RELOAD_MID_CID removed; |
-- counter unit instantiated |
-- 01/2011 v0.031 EG loading aftern the 2nd cycle (no need for 3) |
---------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE |
-- ------------------------------------ |
-- This source file is free software; you can redistribute it and/or modify it under the terms of |
-- the GNU Lesser General Public License as published by the Free Software Foundation; either |
-- version 2.1 of the License, or (at your option) any later version. |
-- This source is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
-- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
-- See the GNU Lesser General Public License for more details. |
-- You should have received a copy of the GNU Lesser General Public License along with this |
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html |
---------------------------------------------------------------------------------------------------
--=================================================================================================
-- Libraries & Packages
--=================================================================================================
-- Standard library
library IEEE;
use IEEE.STD_LOGIC_1164.all; -- std_logic definitions
use IEEE.NUMERIC_STD.all; -- conversion functions
-- Specific library
library work;
use work.WF_PACKAGE.all; -- definitions of types, constants, entities
--=================================================================================================
-- Entity declaration for wf_model_constr_decoder
--=================================================================================================
entity wf_model_constr_decoder is port(
-- INPUTS
-- nanoFIP User Interface general signal
uclk_i : in std_logic; -- 40 Mhz clock
-- Signal from the wf_reset_unit
nfip_rst_i : in std_logic; -- nanoFIP internal reset
-- nanoFIP WorldFIP Settings (synchronised with uclk_i)
constr_id_i : in std_logic_vector (3 downto 0); -- Constructor identification settings
model_id_i : in std_logic_vector (3 downto 0); -- Model identification settings
-- OUTPUTS
-- nanoFIP WorldFIP Settings output
-- MODIFIED
-- s_id_o : out std_logic_vector (1 downto 0); -- Identification selection
-- Signal to the wf_prod_bytes_retriever unit
constr_id_dec_o : out std_logic_vector (7 downto 0); -- Constructor identification decoded
model_id_dec_o : out std_logic_vector (7 downto 0));-- Model identification decoded
end entity wf_model_constr_decoder;
--=================================================================================================
-- architecture declaration
--=================================================================================================
architecture rtl of wf_model_constr_decoder is
signal s_counter : unsigned (1 downto 0);
signal s_model_stage2, s_model_stage1 : std_logic_vector (3 downto 0);
signal s_constr_stage2, s_constr_stage1 : std_logic_vector (3 downto 0);
--=================================================================================================
-- architecture begin
--=================================================================================================
begin
---------------------------------------------------------------------------------------------------
-- Synchronous process Model_Constructor_Decoder:
-- For M_ID and C_ID to be loaded, 2 uclk periods are needed: on the first uclk tick, the values
-- of all the odd bits of M_ID & C_ID are loaded on the registers s_model_stage1/ s_constr_stage1
-- and on the second uclk tick, the values of the odd bits move to the registers s_model_stage2/
-- s_constr_stage2, giving place to all the even bits to be loaded to the s_model_stage1/
-- s_constr_stage1. The loaded odd and even values are combined after the 2 periods to give the
-- decoded outputs model_id_dec_o & constr_id_dec_o.
Model_Constructor_Decoder: process (uclk_i)
begin
if rising_edge (uclk_i) then -- initializations
if nfip_rst_i = '1' then
model_id_dec_o <= (others => '0');
constr_id_dec_o <= (others => '0');
s_model_stage1 <= (others => '0');
s_model_stage2 <= (others => '0');
s_constr_stage1 <= (others => '0');
s_constr_stage2 <= (others => '0');
else
s_model_stage2 <= s_model_stage1; -- after 2 uclk ticks stage1 keeps the even bits
s_model_stage1 <= model_id_i; -- and stage2 the odd ones
s_constr_stage2 <= s_constr_stage1;
s_constr_stage1 <= constr_id_i; -- same for the constructor
if s_counter = "10" then
model_id_dec_o <= s_model_stage2(3) & s_model_stage1(3) & -- putting together
s_model_stage2(2) & s_model_stage1(2) & -- even and odd bits
s_model_stage2(1) & s_model_stage1(1) &
s_model_stage2(0) & s_model_stage1(0);
constr_id_dec_o <= s_constr_stage2(3) & s_constr_stage1(3) &
s_constr_stage2(2) & s_constr_stage1(2) &
s_constr_stage2(1) & s_constr_stage1(1) &
s_constr_stage2(0) & s_constr_stage1(0);
end if;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------
-- Instantiation of a counter wf_incr_counter
Free_Counter: wf_incr_counter
generic map(g_counter_lgth => 2)
port map(
uclk_i => uclk_i,
counter_reinit_i => nfip_rst_i,
counter_incr_i => '1',
counter_is_full_o => open,
-----------------------------------------
counter_o => s_counter);
-----------------------------------------
---------------------------------------------------------------------------------------------------
-- Concurrent signal assignment for the output s_id_o
-- MODIFIED
-- s_id_o <= ((not s_counter(0)) & s_counter(0)); -- 2 opposite clocks generated using
-- the LSB of the counter
-- uclk_i: |-|__|-|__|-|__|-|__|-|__|-|_
-- S_ID0 : |----|____|----|____|----|___
-- S_ID1 : |____|----|____|----|____|---
end architecture rtl;
--=================================================================================================
-- architecture end
--=================================================================================================
---------------------------------------------------------------------------------------------------
-- E N D O F F I L E
---------------------------------------------------------------------------------------------------
| mit | 25bb6c227d5d2268b8dfb7865b703268 | 0.344708 | 5.552441 | false | false | false | false |
malkadi/FGPU | RTL/gmem_atomics.vhd | 1 | 23,616 | -- libraries -------------------------------------------------------------------------------------------{{{
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library work;
use work.all;
use work.FGPU_definitions.all;
---------------------------------------------------------------------------------------------------------}}}
entity gmem_atomics is
port( -- {{{
rcv_atomic_type : in be_array(N_RECEIVERS-1 downto 0);
rcv_atomic_rqst : in std_logic_vector(N_RECEIVERS-1 downto 0);
rcv_gmem_addr : in gmem_word_addr_array(N_RECEIVERS-1 downto 0);
rcv_gmem_data : in SLV32_ARRAY(N_RECEIVERS-1 downto 0) := (others=>(others=>'0'));
rcv_must_read : out std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
rcv_atomic_ack : out std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0');
-- read data path (in)
gmem_rdAddr_p0 : in unsigned(GMEM_WORD_ADDR_W-N-1 downto 0);
gmem_rdData : in std_logic_vector(DATA_W*CACHE_N_BANKS-1 downto 0);
gmem_rdData_v_p0 : in std_logic := '0';
-- atomic data path (out)
atomic_rdData : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
rcv_retire : out std_logic_vector(N_RECEIVERS-1 downto 0) := (others=>'0'); -- this signals implies the validety of atomic_rdData
-- it is 2 clock cycles in advance
-- atomic flushing
flush_v : out std_logic := '0';
flush_gmem_addr : out unsigned(GMEM_WORD_ADDR_W-1 downto 0) := (others=>'0');
flush_data : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
flush_ack : in std_logic;
flush_done : in std_logic;
finish : in std_logic;
atomic_can_finish : out std_logic := '0';
WGsDispatched : in std_logic;
clk, nrst : std_logic
); -- }}}
end entity;
architecture basic of gmem_atomics is
-- general control signals {{{
signal rcv_slctd_indx : integer range 0 to N_RECEIVERS := 0;
attribute max_fanout of rcv_slctd_indx : signal is 60;
signal rcv_slctd_indx_d0 : integer range 0 to N_RECEIVERS := 0;
attribute max_fanout of rcv_slctd_indx_d0 : signal is 40;
signal check_rqst, check_rqst_d0 : std_logic := '0';
signal rqst_type : std_logic_vector(2 downto 0) := (others=>'0');
attribute max_fanout of rqst_type : signal is 60;
signal rqst_val : unsigned(DATA_W-1 downto 0) := (others=>'0');
signal rqst_gmem_addr : unsigned(GMEM_WORD_ADDR_W-1 downto 0) := (others=>'0');
type atomic_unit_state is (idle, listening, latch_gmem_data, select_word, functioning);
signal rcv_half_select : std_logic := '0';
signal rcv_is_reading : std_logic := '0';
-- }}}
-- atomic max signals -----------------------------------------------------------------------------------{{{
signal st_amax, st_amax_n : atomic_unit_state := idle;
signal amax_gmem_addr, amax_gmem_addr_n : unsigned(GMEM_WORD_ADDR_W-1 downto 0) := (others=>'0');
signal amax_data, amax_data_n : unsigned(DATA_W-1 downto 0) := (others=>'0');
signal amax_data_d0 : unsigned(DATA_W-1 downto 0) := (others=>'0');
signal amax_addr_v, amax_addr_v_n : std_logic := '0';
signal amax_addr_v_d0 : std_logic := '0';
signal amax_exec, amax_exec_d0 : std_logic := '0';
signal amax_latch_gmem_rdData : std_logic := '0';
signal amax_latch_gmem_rdData_n : std_logic := '0';
---------------------------------------------------------------------------------------------------------}}}
-- atomic add signals -----------------------------------------------------------------------------------{{{
signal st_aadd, st_aadd_n : atomic_unit_state := idle;
signal aadd_gmem_addr, aadd_gmem_addr_n : unsigned(GMEM_WORD_ADDR_W-1 downto 0) := (others=>'0');
signal aadd_data, aadd_data_n : unsigned(DATA_W-1 downto 0) := (others=>'0');
signal aadd_data_d0 : unsigned(DATA_W-1 downto 0) := (others=>'0');
signal gmem_rdData_ltchd : std_logic_vector(DATA_W*CACHE_N_BANKS-1 downto 0);
signal aadd_latch_gmem_rdData : std_logic := '0';
signal aadd_latch_gmem_rdData_n : std_logic := '0';
signal aadd_addr_v, aadd_addr_v_n : std_logic := '0';
signal aadd_addr_v_d0 : std_logic := '0';
signal aadd_exec, aadd_exec_d0 : std_logic := '0';
---------------------------------------------------------------------------------------------------------}}}
-- flushing aadd results --------------------------------------------------------------------------------{{{
type flush_state_type is (idle, dirty, flushing, wait_flush_done);
signal st_aadd_flush, st_aadd_flush_n : flush_state_type := idle;
constant FLUSH_TIMER_W : integer := 3;
signal aadd_flush_timer : unsigned(FLUSH_TIMER_W-1 downto 0) := (others=>'0');
signal aadd_flush_timer_n : unsigned(FLUSH_TIMER_W-1 downto 0) := (others=>'0');
signal aadd_flush_rqst : std_logic := '0';
signal aadd_flush_rqst_n : std_logic := '0';
signal aadd_flush_started : std_logic := '0';
signal aadd_flush_done : std_logic := '0';
signal flush_ack_d0 : std_logic := '0';
signal aadd_dirty_content : std_logic := '0';
signal aadd_dirty_content_n : std_logic := '0';
signal WGsDispatched_ltchd : std_logic := '0';
signal aadd_flush_active : std_logic := '0';
---------------------------------------------------------------------------------------------------------}}}
-- flushing amax results --------------------------------------------------------------------------------{{{
signal st_amax_flush, st_amax_flush_n : flush_state_type := idle;
signal amax_flush_timer : unsigned(FLUSH_TIMER_W-1 downto 0) := (others=>'0');
signal amax_flush_timer_n : unsigned(FLUSH_TIMER_W-1 downto 0) := (others=>'0');
signal amax_flush_rqst : std_logic := '0';
signal amax_flush_rqst_n : std_logic := '0';
signal amax_flush_started : std_logic := '0';
signal amax_flush_done : std_logic := '0';
signal amax_dirty_content : std_logic := '0';
signal amax_dirty_content_n : std_logic := '0';
signal amax_flush_active : std_logic := '0';
---------------------------------------------------------------------------------------------------------}}}
begin
-- TODO: implement atomic address changing. Now only one address can be used by an atomic unit
-- TODO: consider the case when two atomic units work on the same global address
-- asserts & internals ----------------------------------------------------------------------------------{{{
assert FLUSH_TIMER_W < 4 report "make FLUSH_TIMER_W less than 4 otherwise FGPU will finish while there is dirty data in the atomic units";
---------------------------------------------------------------------------------------------------------}}}
-- receivers interface ----------------------------------------------------------------------------------{{{
RCV_INTERFACE: if AADD_ATOMIC = 1 or AMAX_ATOMIC = 1 generate
process(clk)
variable rcv_slctd_indx_unsigned : unsigned(N_RECEIVERS_W-1 downto 0) := (others=>'0');
begin
if rising_edge(clk) then
rcv_half_select <= not rcv_half_select;
-- stage 0:
-- select requesting receiver
check_rqst <= '0';
rcv_atomic_ack <= (others=>'0');
for i in N_RECEIVERS/2-1 downto 0 loop
rcv_slctd_indx_unsigned(N_RECEIVERS_W-1 downto 1) := to_unsigned(i, N_RECEIVERS_W-1);
rcv_slctd_indx_unsigned(0) := rcv_half_select;
if rcv_atomic_rqst(to_integer(rcv_slctd_indx_unsigned)) = '1' then
rcv_slctd_indx <= to_integer(rcv_slctd_indx_unsigned);
rcv_atomic_ack(to_integer(rcv_slctd_indx_unsigned)) <= '1';
-- assert(rcv_atomic_type(i) = CODE_AADD(2 downto 0));
check_rqst <= '1';
exit;
end if;
end loop;
-- stage 1:
-- latch request
rqst_type <= rcv_atomic_type(rcv_slctd_indx)(2 downto 0);
rqst_gmem_addr <= rcv_gmem_addr(rcv_slctd_indx);
check_rqst_d0 <= check_rqst;
rcv_slctd_indx_d0 <= rcv_slctd_indx;
-- stage 2:
-- check validety
rcv_must_read <= (others=>'0');
rcv_retire <= (others=>'0');
aadd_exec <= '0';
amax_exec <= '0';
if check_rqst_d0 = '1' then
case rqst_type is
when CODE_AADD(2 downto 0) =>
if aadd_addr_v = '0' or aadd_gmem_addr /= rqst_gmem_addr then
if rcv_is_reading = '0' then
rcv_must_read(rcv_slctd_indx_d0) <= '1';
rcv_is_reading <= '1';
end if;
else
rcv_retire(rcv_slctd_indx_d0) <= '1';
aadd_exec <= '1';
end if;
when CODE_AMAX(2 downto 0) =>
if amax_addr_v = '0' or amax_gmem_addr /= rqst_gmem_addr then
if rcv_is_reading = '0' then
rcv_must_read(rcv_slctd_indx_d0) <= '1';
rcv_is_reading <= '1';
end if;
else
rcv_retire(rcv_slctd_indx_d0) <= '1';
amax_exec <= '1';
end if;
when others =>
assert(false);
end case;
end if;
rqst_val <= unsigned(rcv_gmem_data(rcv_slctd_indx_d0));
-- stage3:
-- wait for result
aadd_exec_d0 <= aadd_exec;
amax_exec_d0 <= amax_exec;
--stage 4:
-- forward result
if aadd_exec_d0 = '1' then
atomic_rdData <= std_logic_vector(aadd_data_d0);
-- if _d0 is removed then the atomic will giv back the new result instead of the old one
else -- if amax_exec_d0 = '1'
atomic_rdData <= std_logic_vector(amax_data_d0);
end if;
-- atomic_rdAddr <= aadd_gmem_addr; -- no need for the performed atomic address; it is included in the signature
-- atomic_rdData_type <= CODE_AADD(2 downto 0); -- no need to send the atomic type back; it is included in the signature
-- other tasks
if (aadd_addr_v = '1' and aadd_addr_v_d0 = '0') or (amax_addr_v = '1' and amax_addr_v_d0 = '0') then
rcv_is_reading <= '0';
end if;
if aadd_latch_gmem_rdData = '1' or amax_latch_gmem_rdData = '1' then
gmem_rdData_ltchd <= gmem_rdData;
end if;
end if;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- flushing amax ----------------------------------------------------------------------------------------{{{
AMAX_FLUSHING: if AMAX_ATOMIC = 1 generate
process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
st_amax_flush <= idle;
amax_flush_rqst <= '0';
amax_dirty_content <= '0';
else
st_amax_flush <= st_amax_flush_n;
amax_flush_rqst <= amax_flush_rqst_n;
amax_dirty_content <= amax_dirty_content_n;
end if;
amax_flush_timer <= amax_flush_timer_n;
end if;
end process;
process(st_amax_flush, amax_exec, amax_flush_timer, amax_flush_rqst, amax_flush_started, flush_done, amax_dirty_content,
WGsDispatched_ltchd)
begin
st_amax_flush_n <= st_amax_flush;
amax_flush_timer_n <= amax_flush_timer;
amax_flush_rqst_n <= amax_flush_rqst;
amax_dirty_content_n <= amax_dirty_content;
case st_amax_flush is
when idle =>
amax_flush_timer_n <= (others=>'0');
if amax_exec = '1' or amax_dirty_content = '1' then
st_amax_flush_n <= dirty;
end if;
when dirty =>
if WGsDispatched_ltchd = '1' then
amax_flush_timer_n <= amax_flush_timer + 1;
if amax_exec = '1' then
amax_flush_timer_n <= (others=>'0');
elsif amax_flush_timer = (amax_flush_timer'reverse_range =>'1') then
st_amax_flush_n <= flushing;
amax_flush_rqst_n <= '1';
amax_dirty_content_n <= '0';
end if;
end if;
when flushing =>
if amax_exec = '1' then
amax_dirty_content_n <= '1';
end if;
if amax_flush_started = '1' then
st_amax_flush_n <= wait_flush_done;
amax_flush_rqst_n <= '0';
end if;
when wait_flush_done =>
if flush_done = '1' then
st_amax_flush_n <= idle;
end if;
if amax_exec = '1' then
amax_dirty_content_n <= '1';
end if;
end case;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- flushing aadd ----------------------------------------------------------------------------------------{{{
AADD_FLUSH: if AADD_ATOMIC = 1 generate
process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
st_aadd_flush <= idle;
aadd_flush_rqst <= '0';
aadd_dirty_content <= '0';
else
st_aadd_flush <= st_aadd_flush_n;
aadd_flush_rqst <= aadd_flush_rqst_n;
aadd_dirty_content <= aadd_dirty_content_n;
end if;
aadd_flush_timer <= aadd_flush_timer_n;
end if;
end process;
process(st_aadd_flush, aadd_exec, aadd_flush_timer, aadd_flush_rqst, aadd_flush_started, flush_done, aadd_dirty_content,
WGsDispatched_ltchd)
begin
st_aadd_flush_n <= st_aadd_flush;
aadd_flush_timer_n <= aadd_flush_timer;
aadd_flush_rqst_n <= aadd_flush_rqst;
aadd_dirty_content_n <= aadd_dirty_content;
case st_aadd_flush is
when idle =>
aadd_flush_timer_n <= (others=>'0');
if aadd_exec = '1' or aadd_dirty_content = '1' then
st_aadd_flush_n <= dirty;
end if;
when dirty =>
if WGsDispatched_ltchd = '1' then
aadd_flush_timer_n <= aadd_flush_timer + 1;
if aadd_exec = '1' then
aadd_flush_timer_n <= (others=>'0');
elsif aadd_flush_timer = (aadd_flush_timer'reverse_range =>'1') then
st_aadd_flush_n <= flushing;
aadd_flush_rqst_n <= '1';
aadd_dirty_content_n <= '0';
end if;
end if;
when flushing =>
if aadd_exec = '1' then
aadd_dirty_content_n <= '1';
end if;
if aadd_flush_started = '1' then
st_aadd_flush_n <= wait_flush_done;
aadd_flush_rqst_n <= '0';
end if;
when wait_flush_done =>
if flush_done = '1' then
st_aadd_flush_n <= idle;
end if;
if aadd_exec = '1' then
aadd_dirty_content_n <= '1';
end if;
end case;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- atomic max -------------------------------------------------------------------------------------------{{{
AMAX_BODY: if AMAX_ATOMIC = 1 generate
process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
amax_addr_v <= '0';
st_amax <= idle;
else
st_amax <= st_amax_n;
amax_addr_v <= amax_addr_v_n;
end if;
amax_addr_v_d0 <= amax_addr_v;
amax_gmem_addr <= amax_gmem_addr_n;
amax_data <= amax_data_n;
amax_data_d0 <= amax_data;
amax_latch_gmem_rdData <= amax_latch_gmem_rdData_n;
end if;
end process;
process(st_amax, check_rqst_d0, rqst_type, amax_gmem_addr, rqst_gmem_addr, gmem_rdData_v_p0, gmem_rdAddr_p0, amax_data, gmem_rdData_ltchd,
amax_addr_v, amax_exec, rqst_val, finish)
variable word_indx : integer range 0 to GMEM_N_BANK-1 := 0;
-- variable n_amax_exec : integer := 0;
-- variable written_vals : std_logic_vector(2047 downto 0) := (others=>'0');
-- variable written_index : integer range 0 to 2047 := 0;
begin
st_amax_n <= st_amax;
amax_gmem_addr_n <= amax_gmem_addr;
amax_data_n <= amax_data;
amax_addr_v_n <= amax_addr_v;
amax_latch_gmem_rdData_n <= '0';
case st_amax is
when idle =>
if check_rqst_d0 = '1' and rqst_type = CODE_AMAX(2 downto 0) then
st_amax_n <= listening;
amax_gmem_addr_n <= rqst_gmem_addr;
end if;
when listening =>
if gmem_rdData_v_p0 = '1' and gmem_rdAddr_p0 = amax_gmem_addr(amax_gmem_addr'high downto N) then
st_amax_n <= latch_gmem_data;
amax_latch_gmem_rdData_n <= '1';
end if;
when latch_gmem_data =>
st_amax_n <= select_word;
when select_word =>
word_indx := to_integer(amax_gmem_addr(N-1 downto 0));
amax_data_n <= unsigned(gmem_rdData_ltchd(DATA_W*(word_indx+1)-1 downto DATA_W*word_indx));
st_amax_n <= functioning;
amax_addr_v_n <= '1';
when functioning =>
if amax_exec = '1' then
-- n_amax_exec := n_amax_exec + 1;
if signed(amax_data) < signed(rqst_val) then
amax_data_n <= rqst_val;
end if;
-- written_index := ((to_integer(rqst_val)-6) / 16);
-- assert written_index < 2048 severity failure;
-- assert written_vals(written_index) = '0' severity failure;
-- written_vals(written_index) := '1';
-- assert ((to_integer(rqst_val)-6) mod 16) = 0 severity failure;
end if;
if finish = '1' then
-- assert written_vals = (written_vals'reverse_range=>'1') severity failure;
-- written_vals := (others=>'0');
-- report "# of executed atmoic additions (counted inside the atomic unit) is " & integer'image(n_amax_exec);
-- n_amax_exec := 0;
st_amax_n <= idle;
amax_addr_v_n <= '0';
end if;
end case;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- atomic add -------------------------------------------------------------------------------------------{{{
AADD_BODY: if AADD_ATOMIC = 1 generate
process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
aadd_addr_v <= '0';
st_aadd <= idle;
else
st_aadd <= st_aadd_n;
aadd_addr_v <= aadd_addr_v_n;
end if;
aadd_addr_v_d0 <= aadd_addr_v;
aadd_gmem_addr <= aadd_gmem_addr_n;
aadd_data <= aadd_data_n;
aadd_data_d0 <= aadd_data;
aadd_latch_gmem_rdData <= aadd_latch_gmem_rdData_n;
end if;
end process;
process(st_aadd, check_rqst_d0, rqst_type, aadd_gmem_addr, rqst_gmem_addr, gmem_rdData_v_p0, gmem_rdAddr_p0, aadd_data, gmem_rdData_ltchd,
aadd_addr_v, aadd_exec, rqst_val, finish)
variable word_indx : integer range 0 to GMEM_N_BANK-1 := 0;
-- variable n_aadd_exec : integer := 0;
-- variable written_vals : std_logic_vector(2047 downto 0) := (others=>'0');
-- variable written_index : integer range 0 to 2047 := 0;
begin
st_aadd_n <= st_aadd;
aadd_gmem_addr_n <= aadd_gmem_addr;
aadd_data_n <= aadd_data;
aadd_addr_v_n <= aadd_addr_v;
aadd_latch_gmem_rdData_n <= '0';
case st_aadd is
when idle =>
if check_rqst_d0 = '1' and rqst_type = CODE_AADD(2 downto 0) then
st_aadd_n <= listening;
aadd_gmem_addr_n <= rqst_gmem_addr;
end if;
when listening =>
if gmem_rdData_v_p0 = '1' and gmem_rdAddr_p0 = aadd_gmem_addr(aadd_gmem_addr'high downto N) then
st_aadd_n <= latch_gmem_data;
aadd_latch_gmem_rdData_n <= '1';
end if;
when latch_gmem_data =>
st_aadd_n <= select_word;
when select_word =>
word_indx := to_integer(aadd_gmem_addr(N-1 downto 0));
aadd_data_n <= unsigned(gmem_rdData_ltchd(DATA_W*(word_indx+1)-1 downto DATA_W*word_indx));
st_aadd_n <= functioning;
aadd_addr_v_n <= '1';
when functioning =>
if aadd_exec = '1' then
-- n_aadd_exec := n_aadd_exec + 1;
aadd_data_n <= aadd_data + rqst_val;
-- written_index := ((to_integer(rqst_val)-6) / 16);
-- assert written_index < 2048 severity failure;
-- assert written_vals(written_index) = '0' severity failure;
-- written_vals(written_index) := '1';
-- assert ((to_integer(rqst_val)-6) mod 16) = 0 severity failure;
end if;
if finish = '1' then
-- assert written_vals = (written_vals'reverse_range=>'1') severity failure;
-- written_vals := (others=>'0');
-- report "# of executed atmoic additions (counted inside the atomic unit) is " & integer'image(n_aadd_exec);
-- n_aadd_exec := 0;
st_aadd_n <= idle;
aadd_addr_v_n <= '0';
end if;
end case;
end process;
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- flushing ---------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
if nrst = '0' then
WGsDispatched_ltchd <= '0';
else
if finish = '1' then
WGsDispatched_ltchd <= '0';
elsif WGsDispatched = '1' then
WGsDispatched_ltchd <= '1';
end if;
end if;
atomic_can_finish <= '0';
if st_aadd_flush = idle and st_amax_flush = idle then
atomic_can_finish <= '1';
end if;
flush_v <= (aadd_flush_rqst or amax_flush_rqst) and not (flush_ack or flush_ack_d0);
flush_ack_d0 <= flush_ack;
aadd_flush_started <= '0';
amax_flush_started <= '0';
aadd_flush_active <= '0';
amax_flush_active <= '0';
if flush_ack = '0' then
if aadd_flush_rqst = '1' then
flush_gmem_addr <= aadd_gmem_addr;
flush_data <= std_logic_vector(aadd_data);
aadd_flush_active <= '1';
elsif amax_flush_rqst = '1' then
flush_gmem_addr <= amax_gmem_addr;
flush_data <= std_logic_vector(amax_data);
amax_flush_active <= '1';
end if;
else
if aadd_flush_active = '1' then
aadd_flush_started <= '1';
else -- amax_flush_active = '1'
amax_flush_started <= '1';
end if;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
end architecture;
| gpl-3.0 | 4bb6361250f7431a1401f035d1cc5ebe | 0.482215 | 3.835011 | false | false | false | false |
preusser/q27 | src/vhdl/PoC/fifo/fifo_glue.vhdl | 2 | 3,314 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
--
-- ===========================================================================
-- Module: minimal FIFO, common clock (cc),
-- pipelined interface, first-word-fall-through mode
--
-- Authors: Thomas B. Preusser
--
-- Description:
-- ------------------------------------
-- Its primary use is the decoupling of enable domains in a processing
-- pipeline. Data storage is limited to two words only so as to allow both
-- the 'ful' and the 'vld' indicators to be driven by registers.
--
-- License:
-- ===========================================================================
-- Copyright 2007-2015 Technische Universitaet Dresden - Germany
-- Chair for VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- ===========================================================================
library IEEE;
use IEEE.std_logic_1164.all;
entity fifo_glue is
generic (
D_BITS : positive -- Data Width
);
port (
-- Control
clk : in std_logic; -- Clock
rst : in std_logic; -- Synchronous Reset
-- Input
put : in std_logic; -- Put Value
di : in std_logic_vector(D_BITS-1 downto 0); -- Data Input
ful : out std_logic; -- Full
-- Output
vld : out std_logic; -- Data Available
do : out std_logic_vector(D_BITS-1 downto 0); -- Data Output
got : in std_logic -- Data Consumed
);
end fifo_glue;
architecture rtl of fifo_glue is
-- Data Buffer Registers
signal A, B : std_logic_vector(D_BITS-1 downto 0);
-- State Registers
signal Full, Avail : std_logic := '0';
begin
process(clk)
begin
if rising_edge(clk) then
if rst = '1' then
A <= (others => '-');
B <= (others => '-');
Full <= '0';
Avail <= '0';
else
if Avail = '0' then
if put = '1' then
B <= di;
Avail <= '1';
end if;
elsif Full = '0' then
if got = '1' then
if put = '1' then
B <= di;
else
Avail <= '0';
end if;
else
if put = '1' then
A <= di;
Full <= '1';
end if;
end if;
else
if got = '1' then
B <= A;
Full <= '0';
end if;
end if;
end if;
end if;
end process;
ful <= Full;
vld <= Avail;
do <= B;
end rtl;
| agpl-3.0 | 97c54405a3b6af4cddc41377a685fe55 | 0.487628 | 4.194937 | false | false | false | false |
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9s8bZjWuMTFWwVMFWqhLS5XaIRG2nVzv0AgVqGRo9yOc6QUe8h91OIuAgMSCNC/wyOMXcuBkHX3r
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d2YyrPIcEYyZcR7A7+8drqhlPWZkhz+Mz2iK89He+ABgA4s7n8Whzd0kakdVLan2JCGMiiHZUbyB
w7NAT6kzBnIyphhAuNHx5qTO
`protect end_protected
| mit | e3cdccc37a4e7b5225bcb3fe6cc14865 | 0.9513 | 1.83523 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_8Stations_2AXI_2TAGM.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 8;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+1; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 0;
constant FMUL_IMPLEMENT : integer := 0;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 391e30b01ba5349a04808465ff7365c7 | 0.567707 | 3.729005 | false | false | false | false |
preusser/q27 | src/vhdl/top/xilinx/sdrc_queens_slave.vhdl | 1 | 14,930 | library IEEE;
use IEEE.std_logic_1164.all;
library PoC;
use PoC.physical.all;
entity sdrc_queens_slave is
generic (
-- Design Parameters
N : positive := 27;
L : positive := 2;
SOLVERS : positive := 90;
COUNT_CYCLES : boolean := false;
-- Local Clock Parameters
CLK_FREQ : FREQ := 16 MHz; -- external clock
CLK_MUL : positive := 31; -- computation clock:
CLK_DIV : positive := 4 -- CLK_FREQ / CLK_DIV * CLK_MUL
);
port (
---------------------------------------------------------------------------
-- 16-MHz Input Clock
CLK16_U : in std_logic;
---------------------------------------------------------------------------
-- Ring Bus
-- Input
BUS_IN_CLKP : in std_logic;
BUS_IN_CLKN : in std_logic;
BUS_IN_PRE_DAT : in std_logic_vector(8 downto 0);
BUS_IN_PRE_PUT : in std_logic;
BUS_IN_PRE_GO : out std_logic;
BUS_IN_SOL_DAT : in std_logic_vector(8 downto 0);
BUS_IN_SOL_PUT : in std_logic;
BUS_IN_SOL_GO : out std_logic;
-- Output
BUS_OUT_CLKP : out std_logic;
BUS_OUT_CLKN : out std_logic;
BUS_OUT_PRE_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_PRE_PUT : out std_logic;
BUS_OUT_PRE_GO : in std_logic;
BUS_OUT_SOL_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_SOL_PUT : out std_logic;
BUS_OUT_SOL_GO : in std_logic;
---------------------------------------------------------------------------
-- State
led : out std_logic_vector(3 downto 0)
);
end sdrc_queens_slave;
library IEEE;
use IEEE.numeric_std.all;
library PoC;
use PoC.utils.all;
use PoC.fifo.all;
library UNISIM;
use UNISIM.vcomponents.all;
architecture rtl of sdrc_queens_slave is
-- Bit Length of Pre-Placement
constant PRE_BITS : positive := 4*L*log2ceil(N)-1;
constant PRE_BYTES : positive := (PRE_BITS+7)/8;
-- FIFO Dimensioning
constant FIFO_DEPTH : positive := 5*(SOLVERS+5);
----------------------------------------------------------------------------
-- Global Control: Clocks and Resets
signal clk_comp : std_logic; -- Computation Clock
signal rst_comp : std_logic;
signal clk_out : std_logic; -- Communication Clock (Output Side)
signal rst_out : std_logic;
-----------------------------------------------------------------------------
-- Solver Chain Connectivity
signal piful : std_logic;
signal pidat : byte;
signal pieof : std_logic;
signal piput : std_logic;
signal sivld : std_logic;
signal sidat : byte;
signal sieof : std_logic;
signal sigot : std_logic;
signal poful : std_logic;
signal podat : byte;
signal poeof : std_logic;
signal poput : std_logic;
signal sovld : std_logic;
signal sodat : byte;
signal soeof : std_logic;
signal sogot : std_logic;
begin
----------------------------------------------------------------------------
-- Clock Generation
blkClock: block
-- Intermediate Clock Signals
signal clk16 : std_logic; -- Buffered Input Clock
signal clk_comp_u : std_logic;
signal locked_comp : std_logic;
begin
-- 16 MHz Board Clock -> Computation Clock
clk16_buf : IBUFG
port map (
I => CLK16_U,
O => clk16
);
DCM0 : DCM_BASE
generic map (
CLKIN_PERIOD => to_real(1.0/CLK_FREQ, 1 ns),
CLKIN_DIVIDE_BY_2 => FALSE,
PHASE_SHIFT => 0,
CLKFX_MULTIPLY => CLK_MUL,
CLKFX_DIVIDE => CLK_DIV,
CLKOUT_PHASE_SHIFT => "NONE",
CLK_FEEDBACK => "NONE", -- only using clkfx
DLL_FREQUENCY_MODE => "LOW",
DFS_FREQUENCY_MODE => "LOW",
DUTY_CYCLE_CORRECTION => TRUE,
STARTUP_WAIT => TRUE,
DCM_AUTOCALIBRATION => FALSE
)
port map (
CLKIN => clk16,
CLKFB => '0',
RST => '0',
CLK0 => open,
CLK180 => open,
CLK270 => open,
CLK2X => open,
CLK2X180 => open,
CLK90 => open,
CLKDV => open,
CLKFX => clk_comp_u,
CLKFX180 => open,
LOCKED => locked_comp
);
clk_comp_buf : BUFGCE
port map (
CE => locked_comp,
I => clk_comp_u,
O => clk_comp
);
rst_comp <= '0';
clk_out_buf : BUFGCE
port map (
CE => locked_comp,
I => clk16,
O => clk_out
);
rst_out <= '0';
led(0) <= locked_comp;
end block blkClock;
---------------------------------------------------------------------------
-- Solver Chain
blkChain: block is
signal pful : std_logic;
signal pdat : byte;
signal peof : std_logic;
signal pput : std_logic;
begin
chain: entity work.queens_chain
generic map (
N => N,
L => L,
SOLVERS => SOLVERS,
COUNT_CYCLES => COUNT_CYCLES
)
port map (
clk => clk_comp,
rst => rst_comp,
piful => piful,
pidat => pidat,
pieof => pieof,
piput => piput,
sivld => '0',
sidat => (others => '-'),
sieof => '-',
sigot => open,
poful => pful,
podat => pdat,
poeof => peof,
poput => pput,
sovld => sovld,
sodat => sodat,
soeof => soeof,
sogot => sogot
);
-- Resync stream so that frames are taken out in one piece
sync: entity work.msg_tap
generic map (
D => PRE_BYTES
)
port map (
clk => clk_comp,
rst => rst_comp,
iful => pful,
idat => pdat,
ieof => peof,
iput => pput,
oful => poful,
odat => podat,
oeof => poeof,
oput => poput,
tful => '1',
tdat => open,
tput => open
);
end block blkChain;
-----------------------------------------------------------------------------
-- Input Stream -> feeds pi(ful|dat|eof|put) and si(vld|dat|eof|got)
blkInput: block
-- Source synchronous clock domain
signal clk_in : std_logic;
signal rst_in : std_logic;
-- Incoming Bus Data Capture Registers
signal InPreDat : std_logic_vector(8 downto 0) := (others => '-');
signal InPrePut : std_logic := '0';
signal InPreCap : std_logic_vector(1 downto 0);
signal InSolDat : std_logic_vector(8 downto 0) := (others => '-');
signal InSolPut : std_logic := '0';
signal InSolCap : std_logic_vector(1 downto 0);
signal pivld : std_logic;
begin
---------------------------------------------------------------------------
-- Reading the Bus
-- Clock reconstruction
blkClock : block
signal clk_in0 : std_logic;
begin
IBUFGDS_inst : IBUFGDS
port map (
O => clk_in0,
I => BUS_IN_CLKP,
IB => BUS_IN_CLKN
);
BUFG_inst : BUFR
port map (
I => clk_in0,
O => clk_in,
CE => '1',
CLR => '0'
);
rst_in <= '0';
end block blkClock;
-- Bus Input Capture
process(clk_in)
begin
if rising_edge(clk_in) then
if rst_in = '1' then
InPreDat <= (others => '-');
InPrePut <= '0';
InSolDat <= (others => '-');
InSolPut <= '0';
else
InPreDat <= BUS_IN_PRE_DAT;
InPrePut <= BUS_IN_PRE_PUT;
InSolDat <= BUS_IN_SOL_DAT;
InSolPut <= BUS_IN_SOL_PUT;
end if;
end if;
end process;
-- Input FIFO (ic): Pre-Placements
buf_pre : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InPreCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InPrePut,
din => InPreDat,
full => open,
estate_wr => InPreCap,
clk_rd => clk_comp,
rst_rd => rst_comp,
got => piput,
dout(8) => pieof,
dout(7 downto 0) => pidat,
valid => pivld
);
piput <= pivld and not piful;
BUS_IN_PRE_GO <= '0' when InPreCap = (InPreCap'range => '0') else '1';
-- Input FIFO (ic): Solutions
buf_sol : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InSolCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InSolPut,
din => InSolDat,
full => open,
estate_wr => InSolCap,
clk_rd => clk_out,
rst_rd => rst_out,
got => sigot,
dout(8) => sieof,
dout(7 downto 0) => sidat,
valid => sivld
);
BUS_IN_SOL_GO <= '0' when InSolCap = (InSolCap'range => '0') else '1';
end block blkInput;
blkOutput : block
begin
-------------------------------------------------------------------------
-- Output Inverted Clock
blkClock : block
signal clk_inv : std_logic;
begin
invert : ODDR
generic map(
DDR_CLK_EDGE => "OPPOSITE_EDGE",
INIT => '1',
SRTYPE => "SYNC"
)
port map (
Q => clk_inv, -- 1-bit DDR output
C => clk_out, -- 1-bit clock input
CE => '1', -- 1-bit clock enable input
D1 => '0', -- 1-bit data input (positive edge)
D2 => '1', -- 1-bit data input (negative edge)
R => rst_out, -- 1-bit reset input
S => '0' -- 1-bit set input
);
OBUFDS_inst : OBUFDS
generic map (
IOSTANDARD => "DEFAULT",
SLEW => "FAST"
)
port map (
O => BUS_OUT_CLKP,
OB => BUS_OUT_CLKN,
I => clk_inv
);
end block blkClock;
blkPre: block
-- Syncing the go input
signal go_s : std_logic_vector(1 downto 0) := (others => '0');
-- Output FIFO
signal pgot : std_logic;
signal pdat : std_logic_vector(8 downto 0);
signal pvld : std_logic;
-- Outgoing Output Registers
signal PreOutDat : std_logic_vector(8 downto 0) := (others => '0');
signal PreOutPut : std_logic := '0';
begin
-- Syncing go input
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
go_s <= (others => '0');
else
go_s <= BUS_OUT_PRE_GO & go_s(go_s'left downto 1);
end if;
end if;
end process;
-- Output FIFO (ic): Pre-Placements
fifob : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64
)
port map (
clk_wr => clk_comp,
rst_wr => rst_comp,
put => poput,
din(8) => poeof,
din(7 downto 0) => podat,
full => poful,
clk_rd => clk_out,
rst_rd => rst_out,
got => pgot,
dout => pdat,
valid => pvld
);
pgot <= pvld and go_s(0);
-- Output Registers
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
PreOutDat <= (others => '0');
PreOutPut <= '0';
else
PreOutDat <= pdat;
PreOutPut <= pgot;
end if;
end if;
end process;
BUS_OUT_PRE_DAT <= PreOutDat;
BUS_OUT_PRE_PUT <= PreOutPut;
end block blkPre;
blkSol: block
-- Syncing the go input
signal go_s : std_logic_vector(1 downto 0) := (others => '0');
-- Chain -> fifo_ic [clk_comp->clk_out]
signal soful : std_logic;
-- fifo_ic -> funnel
signal scvld : std_logic;
signal scdat : std_logic_vector(8 downto 0);
signal scgot : std_logic;
-- funnel -> fifo_glue
signal sjful : std_logic;
signal sjdat : std_logic_vector(8 downto 0);
signal sjput : std_logic;
-- fifo_glue -> output
signal sfvld : std_logic;
signal sfdat : std_logic_vector(8 downto 0);
signal sfgot : std_logic;
-- Outgoing Output Registers
signal SolOutDat : std_logic_vector(8 downto 0) := (others => '0');
signal SolOutPut : std_logic := '0';
begin
-- Syncing go input
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
go_s <= (others => '0');
else
go_s <= BUS_OUT_SOL_GO & go_s(go_s'left downto 1);
end if;
end if;
end process;
-- fifo_ic: clk_comp -> clk_out
fifob : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64
)
port map (
clk_wr => clk_comp,
rst_wr => rst_comp,
put => sogot,
din(8) => soeof,
din(7 downto 0) => sodat,
full => soful,
clk_rd => clk_out,
rst_rd => rst_out,
got => scgot,
dout => scdat,
valid => scvld
);
sogot <= sovld and not soful;
-- funnel: si* + sc* -> sj*
join: entity work.msg_funnel
generic map (
N => 2
)
port map (
clk => clk_out,
rst => rst_out,
ivld(0) => scvld,
ivld(1) => sivld,
idat(0) => scdat(7 downto 0),
idat(1) => sidat,
ieof(0) => scdat(8),
ieof(1) => sieof,
igot(0) => scgot,
igot(1) => sigot,
oful => sjful,
odat => sjdat(7 downto 0),
oeof => sjdat(8),
oput => sjput
);
-- fifo_glue
glue: fifo_glue
generic map (
D_BITS => 9
)
port map (
clk => clk_out,
rst => rst_out,
put => sjput,
di => sjdat,
ful => sjful,
vld => sfvld,
do => sfdat,
got => sfgot
);
sfgot <= sfvld and go_s(0);
-- Output Registers
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
SolOutDat <= (others => '0');
SolOutPut <= '0';
else
SolOutDat <= sfdat;
SolOutPut <= sfgot;
end if;
end if;
end process;
BUS_OUT_SOL_DAT <= SolOutDat;
BUS_OUT_SOL_PUT <= SolOutPut;
end block blkSol;
end block blkOutput;
led(3 downto 1) <= "110";
end rtl;
| agpl-3.0 | 1848736eda8be8885aba133032388745 | 0.450971 | 3.910424 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_8Stations_2AXI_2TAGM_2CACHE_W.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 8;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+1; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 1;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 25ce6ba1b8a3fd491498cbf78c9f55cb | 0.567707 | 3.729005 | false | false | false | false |
jpidancet/mips | rtl/cpu_fetch.vhd | 1 | 905 | library ieee;
use ieee.std_logic_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.ALL;
entity cpu_fetch is
port (pc : in std_logic_vector(31 downto 0);
pcbranch : in std_logic_vector(31 downto 0);
pcsrc : in std_logic;
instr_n : out std_logic_vector(31 downto 0);
pcplus4_n : out std_logic_vector(31 downto 0);
pc_n : out std_logic_vector(31 downto 0);
imem_addr : out std_logic_vector(31 downto 0);
imem_data : in std_logic_vector(31 downto 0));
end entity cpu_fetch;
architecture rtl of cpu_fetch is
signal pcplus4 : std_logic_vector(31 downto 0);
begin
pcplus4 <= pc + 4;
instr_n <= imem_data;
imem_addr <= pc;
pcplus4_n <= pcplus4;
pc_n <= pcbranch when pcsrc = '1' else
pcplus4;
end architecture rtl;
| isc | 5f92024a3d2040be6f70c0612b028cda | 0.574586 | 3.376866 | false | false | false | false |
wltr/cern-fgclite | critical_fpga/src/rtl/cf/fetch_page/fetch_page_ow.vhd | 1 | 5,203 | -------------------------------------------------------------------------------
--! @file fetch_page_ow.vhd
--! @author Johannes Walter <[email protected]>
--! @copyright CERN TE-EPC-CCE
--! @date 2014-11-19
--! @brief Prepare one-wire page for NanoFIP communication.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library work;
--! @brief Entity declaration of fetch_page_ow
--! @details
--! This component prepares the one-wire page for the NanoFIP response.
entity fetch_page_ow is
port (
--! @name Clock and resets
--! @{
--! System clock
clk_i : in std_ulogic;
--! Asynchronous active-low reset
rst_asy_n_i : in std_ulogic;
--! Synchronous active-high reset
rst_syn_i : in std_ulogic;
--! @}
--! @name Commands
--! @{
--! Start flag
start_i : in std_ulogic;
--! Done flag
done_o : out std_ulogic;
--! Memory index
idx_i : in std_ulogic_vector(14 downto 0);
--! @}
--! @name Memory page interface
--! @{
--! Address
page_addr_o : out std_ulogic_vector(5 downto 0);
--! Write enable
page_wr_en_o : out std_ulogic;
--! Data output
page_data_o : out std_ulogic_vector(7 downto 0);
--! Done flag
page_done_i : in std_ulogic;
--! @}
--! @name One-wire data
--! @{
--! Address
ow_addr_o : out std_ulogic_vector(5 downto 0);
--! Read enable
ow_rd_en_o : out std_ulogic;
--! Data input
ow_data_i : in std_ulogic_vector(79 downto 0);
--! Data input enable
ow_data_en_i : in std_ulogic);
--! @}
end entity fetch_page_ow;
--! RTL implementation of fetch_page_ow
architecture rtl of fetch_page_ow is
---------------------------------------------------------------------------
--! @name Types and Constants
---------------------------------------------------------------------------
--! @{
type state_t is (IDLE, STORE, DONE);
type reg_t is record
state : state_t;
addr : unsigned(5 downto 0);
data : std_ulogic_vector(79 downto 0);
wr_en : std_ulogic;
rd_en : std_ulogic;
done : std_ulogic;
end record;
constant init_c : reg_t := (
state => IDLE,
addr => (others => '0'),
data => (others => '0'),
wr_en => '0',
rd_en => '0',
done => '0');
--! @}
---------------------------------------------------------------------------
--! @name Internal Registers
---------------------------------------------------------------------------
--! @{
signal reg : reg_t;
--! @}
---------------------------------------------------------------------------
--! @name Internal Wires
---------------------------------------------------------------------------
--! @{
signal next_reg : reg_t;
--! @}
begin -- architecture rtl
---------------------------------------------------------------------------
-- Outputs
---------------------------------------------------------------------------
page_addr_o <= std_ulogic_vector(reg.addr);
page_wr_en_o <= reg.wr_en;
page_data_o <= reg.data(7 downto 0);
ow_addr_o <= idx_i(3 downto 0) & std_ulogic_vector(reg.addr(5 downto 4));
ow_rd_en_o <= reg.rd_en;
done_o <= reg.done;
---------------------------------------------------------------------------
-- Registers
---------------------------------------------------------------------------
regs : process (clk_i, rst_asy_n_i) is
procedure reset is
begin
reg <= init_c;
end procedure reset;
begin -- process regs
if rst_asy_n_i = '0' then
reset;
elsif rising_edge(clk_i) then
if rst_syn_i = '1' then
reset;
else
reg <= next_reg;
end if;
end if;
end process regs;
---------------------------------------------------------------------------
-- Combinatorics
---------------------------------------------------------------------------
comb : process (reg, start_i, page_done_i, ow_data_i, ow_data_en_i) is
begin -- comb
-- Defaults
next_reg <= reg;
next_reg.rd_en <= '0';
next_reg.wr_en <= '0';
next_reg.done <= '0';
case reg.state is
when IDLE =>
if start_i = '1' then
next_reg.rd_en <= '1';
next_reg.state <= STORE;
end if;
when STORE =>
if ow_data_en_i = '1' then
next_reg.data <= ow_data_i;
next_reg.wr_en <= '1';
next_reg.state <= DONE;
end if;
when DONE =>
if page_done_i = '1' then
if to_integer(reg.addr) < 63 then
next_reg.addr <= reg.addr + 1;
if to_integer(reg.addr(3 downto 0)) < 15 then
next_reg.wr_en <= '1';
next_reg.data <= x"00" & reg.data(reg.data'high downto reg.data'low + 8);
else
next_reg.rd_en <= '1';
next_reg.state <= STORE;
end if;
else
next_reg <= init_c;
next_reg.done <= '1';
end if;
end if;
end case;
end process comb;
end architecture rtl;
| mit | b0d1cb7bcf989dbe7556bdb8ffc3afe3 | 0.419373 | 4.002308 | false | false | false | false |
preusser/q27 | src/vhdl/PoC/common/strings.vhdl | 1 | 35,345 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-- =============================================================================
-- Authors: Thomas B. Preusser
-- Martin Zabel
-- Patrick Lehmann
--
-- Package: String related functions and types
--
-- Description:
-- -------------------------------------
-- For detailed documentation see below.
--
-- License:
-- =============================================================================
-- Copyright 2007-2015 Technische Universitaet Dresden - Germany,
-- Chair for VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- =============================================================================
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
use IEEE.math_real.all;
library PoC;
use PoC.config.all;
use PoC.utils.all;
--use PoC.FileIO.all;
package strings is
-- default fill and string termination character for fixed size strings
-- ===========================================================================
-- WORKAROUND: for Altera Quartus-II
-- Version: 15.0
-- Issue:
-- character 0 (NUL) causes Quartus-II to crash, if uses to pad STRINGs
-- characters < 32 (control characters) are not supported in Quartus-II
-- characters > 127 are not supported in VHDL files (strict ASCII files)
-- character 255 craches ISE log window (created by 'CHARACTER'val(255)')
-- Solution:
-- PoC uses backtick "`" as a fill and termination symbol, if a Quartus-II
-- synthesis environment is detected.
constant C_POC_NUL : character := ite((SYNTHESIS_TOOL /= SYNTHESIS_TOOL_ALTERA_QUARTUS2), NUL, '`');
-- Type declarations
-- ===========================================================================
subtype T_RAWCHAR is std_logic_vector(7 downto 0);
type T_RAWSTRING is array (natural range <>) of T_RAWCHAR;
-- testing area:
-- ===========================================================================
function to_IPStyle(str : string) return T_IPSTYLE;
-- to_char
function to_char(Value : std_logic) return character;
function to_char(rawchar : T_RAWCHAR) return character;
function to_HexChar(Value : natural) return character;
function to_HexChar(Value : unsigned) return character;
-- chr_is* function
function chr_isDigit(chr : character) return boolean;
function chr_isLowerHexDigit(chr : character) return boolean;
function chr_isUpperHexDigit(chr : character) return boolean;
function chr_isHexDigit(chr : character) return boolean;
function chr_isLower(chr : character) return boolean;
function chr_isLowerAlpha(chr : character) return boolean;
function chr_isUpper(chr : character) return boolean;
function chr_isUpperAlpha(chr : character) return boolean;
function chr_isAlpha(chr : character) return boolean;
-- raw_format_* functions
function raw_format_bool_bin(Value : boolean) return string;
function raw_format_bool_chr(Value : boolean) return string;
function raw_format_bool_str(Value : boolean) return string;
function raw_format_slv_bin(slv : std_logic_vector) return string;
function raw_format_slv_oct(slv : std_logic_vector) return string;
function raw_format_slv_dec(slv : std_logic_vector) return string;
function raw_format_slv_hex(slv : std_logic_vector) return string;
function raw_format_nat_bin(Value : natural) return string;
function raw_format_nat_oct(Value : natural) return string;
function raw_format_nat_dec(Value : natural) return string;
function raw_format_nat_hex(Value : natural) return string;
-- str_format_* functions
function str_format(Value : REAL; precision : natural := 3) return string;
-- to_string
function to_string(Value : boolean) return string;
function to_string(Value : integer; base : positive := 10) return string;
function to_string(slv : std_logic_vector; format : character; Length : natural := 0; fill : character := '0') return string;
function to_string(rawstring : T_RAWSTRING) return string;
function to_string(Value : T_BCD_VECTOR) return string;
-- to_slv
function to_slv(rawstring : T_RAWSTRING) return std_logic_vector;
-- digit subtypes incl. error Value (-1)
subtype T_DIGIT_BIN is integer range -1 to 1;
subtype T_DIGIT_OCT is integer range -1 to 7;
subtype T_DIGIT_DEC is integer range -1 to 9;
subtype T_DIGIT_HEX is integer range -1 to 15;
-- to_digit*
function to_digit_bin(chr : character) return T_DIGIT_BIN;
function to_digit_oct(chr : character) return T_DIGIT_OCT;
function to_digit_dec(chr : character) return T_DIGIT_DEC;
function to_digit_hex(chr : character) return T_DIGIT_HEX;
function to_digit(chr : character; base : character := 'd') return integer;
-- to_natural*
function to_natural_bin(str : string) return integer;
function to_natural_oct(str : string) return integer;
function to_natural_dec(str : string) return integer;
function to_natural_hex(str : string) return integer;
function to_natural(str : string; base : character := 'd') return integer;
-- to_raw*
function to_RawChar(char : character) return T_RAWCHAR;
function to_RawString(str : string) return T_RAWSTRING;
-- resize
function resize(str : string; size : positive; FillChar : character := C_POC_NUL) return string;
-- function resize(rawstr : T_RAWSTRING; size : POSITIVE; FillChar : T_RAWCHAR := x"00") return T_RAWSTRING;
-- Character functions
function chr_toLower(chr : character) return character;
function chr_toUpper(chr : character) return character;
-- String functions
function str_length(str : string) return natural;
function str_equal(str1 : string; str2 : string) return boolean;
function str_match(str1 : string; str2 : string) return boolean;
function str_imatch(str1 : string; str2 : string) return boolean;
function str_pos(str : string; chr : character; start : natural := 0) return integer;
function str_pos(str : string; pattern : string; start : natural := 0) return integer;
function str_ipos(str : string; chr : character; start : natural := 0) return integer;
function str_ipos(str : string; pattern : string; start : natural := 0) return integer;
function str_find(str : string; chr : character) return boolean;
function str_find(str : string; pattern : string) return boolean;
function str_ifind(str : string; chr : character) return boolean;
function str_ifind(str : string; pattern : string) return boolean;
function str_replace(str : string; pattern : string; replace : string) return string;
function str_substr(str : string; start : integer := 0; Length : integer := 0) return string;
function str_ltrim(str : string; char : character := ' ') return string;
function str_rtrim(str : string; char : character := ' ') return string;
function str_trim(str : string) return string;
function str_calign(str : string; Length : natural; FillChar : character := ' ') return string;
function str_lalign(str : string; Length : natural; FillChar : character := ' ') return string;
function str_ralign(str : string; Length : natural; FillChar : character := ' ') return string;
function str_toLower(str : string) return string;
function str_toUpper(str : string) return string;
end package;
package body strings is
--
function to_IPStyle(str : string) return T_IPSTYLE is
begin
for i in T_IPSTYLE'pos(T_IPSTYLE'low) to T_IPSTYLE'pos(T_IPSTYLE'high) loop
if str_imatch(str, T_IPSTYLE'image(T_IPSTYLE'val(i))) then
return T_IPSTYLE'val(i);
end if;
end loop;
report "Unknown IPStyle: '" & str & "'" severity FAILURE;
end function;
-- to_char
-- ===========================================================================
function to_char(Value : std_logic) return character is
begin
case Value is
when 'U' => return 'U';
when 'X' => return 'X';
when '0' => return '0';
when '1' => return '1';
when 'Z' => return 'Z';
when 'W' => return 'W';
when 'L' => return 'L';
when 'H' => return 'H';
when '-' => return '-';
when others => return 'X';
end case;
end function;
function to_char(rawchar : T_RAWCHAR) return character is
begin
return character'val(to_integer(unsigned(rawchar)));
end function;
--
function to_HexChar(Value : natural) return character is
constant HEX : string := "0123456789ABCDEF";
begin
return ite(Value < 16, HEX(Value+1), 'X');
end function;
function to_HexChar(Value : unsigned) return character is
begin
return to_HexChar(to_integer(Value));
end function;
-- chr_is* function
function chr_isDigit(chr : character) return boolean is
begin
return (character'pos('0') <= character'pos(chr)) and (character'pos(chr) <= character'pos('9'));
end function;
function chr_isLowerHexDigit(chr : character) return boolean is
begin
return (character'pos('a') <= character'pos(chr)) and (character'pos(chr) <= character'pos('f'));
end function;
function chr_isUpperHexDigit(chr : character) return boolean is
begin
return (character'pos('A') <= character'pos(chr)) and (character'pos(chr) <= character'pos('F'));
end function;
function chr_isHexDigit(chr : character) return boolean is
begin
return chr_isDigit(chr) or chr_isLowerHexDigit(chr) or chr_isUpperHexDigit(chr);
end function;
function chr_isLower(chr : character) return boolean is
begin
return chr_isLowerAlpha(chr);
end function;
function chr_isLowerAlpha(chr : character) return boolean is
begin
return (character'pos('a') <= character'pos(chr)) and (character'pos(chr) <= character'pos('z'));
end function;
function chr_isUpper(chr : character) return boolean is
begin
return chr_isUpperAlpha(chr);
end function;
function chr_isUpperAlpha(chr : character) return boolean is
begin
return (character'pos('A') <= character'pos(chr)) and (character'pos(chr) <= character'pos('Z'));
end function;
function chr_isAlpha(chr : character) return boolean is
begin
return chr_isLowerAlpha(chr) or chr_isUpperAlpha(chr);
end function;
-- raw_format_* functions
-- ===========================================================================
function raw_format_bool_bin(Value : boolean) return string is
begin
return ite(Value, "1", "0");
end function;
function raw_format_bool_chr(Value : boolean) return string is
begin
return ite(Value, "T", "F");
end function;
function raw_format_bool_str(Value : boolean) return string is
begin
return str_toUpper(boolean'image(Value));
end function;
function raw_format_slv_bin(slv : std_logic_vector) return string is
variable Value : std_logic_vector(slv'length - 1 downto 0);
variable Result : string(1 to slv'length);
variable j : natural;
begin
-- convert input slv to a downto ranged vector and normalize range to slv'low = 0
Value := movez(ite(slv'ascending, descend(slv), slv));
-- convert each bit to a character
j := 0;
for i in Result'reverse_range loop
Result(i) := to_char(Value(j));
j := j + 1;
end loop;
return Result;
end function;
function raw_format_slv_oct(slv : std_logic_vector) return string is
variable Value : std_logic_vector(slv'length - 1 downto 0);
variable Digit : std_logic_vector(2 downto 0);
variable Result : string(1 to div_ceil(slv'length, 3));
variable j : natural;
begin
-- convert input slv to a downto ranged vector; normalize range to slv'low = 0 and resize it to a multiple of 3
Value := resize(movez(ite(slv'ascending, descend(slv), slv)), (Result'length * 3));
-- convert 3 bit to a character
j := 0;
for i in Result'reverse_range loop
Digit := Value((j * 3) + 2 downto (j * 3));
Result(i) := to_HexChar(unsigned(Digit));
j := j + 1;
end loop;
return Result;
end function;
function raw_format_slv_dec(slv : std_logic_vector) return string is
variable Value : std_logic_vector(slv'length - 1 downto 0);
variable Result : string(1 to div_ceil(slv'length, 3));
subtype TT_BCD is integer range 0 to 31;
type TT_BCD_VECTOR is array(natural range <>) of TT_BCD;
variable Temp : TT_BCD_VECTOR(div_ceil(slv'length, 3) - 1 downto 0);
variable Carry : T_UINT_8;
variable Pos : natural;
begin
Temp := (others => 0);
Pos := 0;
-- convert input slv to a downto ranged vector
Value := ite(slv'ascending, descend(slv), slv);
for i in Value'range loop
Carry := to_int(Value(i));
for j in Temp'reverse_range loop
Temp(j) := Temp(j) * 2 + Carry;
Carry := to_int(Temp(j) > 9);
Temp(j) := Temp(j) - to_int((Temp(j) > 9), 0, 10);
end loop;
end loop;
for i in Result'range loop
Result(i) := to_HexChar(Temp(Temp'high - i + 1));
if ((Result(i) /= '0') and (Pos = 0)) then
Pos := i;
end if;
end loop;
-- trim leading zeros, except the last
return Result(imin(Pos, Result'high) to Result'high);
end function;
function raw_format_slv_hex(slv : std_logic_vector) return string is
variable Value : std_logic_vector(4*div_ceil(slv'length, 4) - 1 downto 0);
variable Digit : std_logic_vector(3 downto 0);
variable Result : string(1 to div_ceil(slv'length, 4));
variable j : natural;
begin
Value := resize(slv, Value'length);
j := 0;
for i in Result'reverse_range loop
Digit := Value((j * 4) + 3 downto (j * 4));
Result(i) := to_HexChar(unsigned(Digit));
j := j + 1;
end loop;
return Result;
end function;
function raw_format_nat_bin(Value : natural) return string is
begin
return raw_format_slv_bin(to_slv(Value, log2ceilnz(Value+1)));
end function;
function raw_format_nat_oct(Value : natural) return string is
begin
return raw_format_slv_oct(to_slv(Value, log2ceilnz(Value+1)));
end function;
function raw_format_nat_dec(Value : natural) return string is
begin
return integer'image(Value);
end function;
function raw_format_nat_hex(Value : natural) return string is
begin
return raw_format_slv_hex(to_slv(Value, log2ceilnz(Value+1)));
end function;
-- str_format_* functions
-- ===========================================================================
function str_format(Value : REAL; precision : natural := 3) return string is
constant s : REAL := sign(Value);
constant val : REAL := Value * s;
constant int : integer := integer(floor(val));
constant frac : integer := integer(round((val - real(int)) * 10.0**precision));
constant overflow : boolean := frac >= 10**precision;
constant int2 : integer := ite(overflow, int+1, int);
constant frac2 : integer := ite(overflow, frac-10**precision, frac);
constant frac_str : string := integer'image(frac2);
constant res : string := integer'image(int2) & "." & (2 to (precision - frac_str'length + 1) => '0') & frac_str;
begin
return ite ((s < 0.0), "-" & res, res);
end function;
-- to_string
-- ===========================================================================
function to_string(Value : boolean) return string is
begin
return raw_format_bool_str(Value);
end function;
-- convert an integer Value to a STRING using an arbitrary base
function to_string(Value : integer; base : positive := 10) return string is
constant absValue : natural := abs(Value);
constant len : positive := log10ceilnz(absValue);
variable power : positive;
variable Result : string(1 to len);
begin
power := 1;
if (base = 10) then
return integer'image(Value);
else
for i in len downto 1 loop
Result(i) := to_HexChar(absValue / power mod base);
power := power * base;
end loop;
if (Value < 0) then
return '-' & Result;
else
return Result;
end if;
end if;
end function;
-- QUESTION: rename to slv_format(..) ?
function to_string(slv : std_logic_vector; format : character; Length : natural := 0; fill : character := '0') return string is
constant int : integer := ite((slv'length <= 31), to_integer(unsigned(resize(slv, 31))), 0);
constant str : string := integer'image(int);
constant bin_len : positive := slv'length;
constant dec_len : positive := str'length;--log10ceilnz(int);
constant hex_len : positive := ite(((bin_len mod 4) = 0), (bin_len / 4), (bin_len / 4) + 1);
constant len : natural := ite((format = 'b'), bin_len,
ite((format = 'd'), dec_len,
ite((format = 'h'), hex_len, 0)));
variable j : natural;
variable Result : string(1 to ite((Length = 0), len, imax(len, Length)));
begin
j := 0;
Result := (others => fill);
if (format = 'b') then
for i in Result'reverse_range loop
Result(i) := to_char(slv(j));
j := j + 1;
end loop;
elsif (format = 'd') then
-- TODO: enable big integer conversion
-- if (slv'length < 32) then
-- return INTEGER'image(int);
-- else
-- return raw_format_slv_dec(slv);
-- end if;
Result(Result'length - str'length + 1 to Result'high) := str;
elsif (format = 'h') then
for i in Result'reverse_range loop
Result(i) := to_HexChar(unsigned(slv((j * 4) + 3 downto (j * 4))));
j := j + 1;
end loop;
else
report "Unknown format character: " & format & "." severity FAILURE;
end if;
return Result;
end function;
function to_string(rawstring : T_RAWSTRING) return string is
variable Result : string(1 to rawstring'length);
begin
for i in rawstring'low to rawstring'high loop
Result(i - rawstring'low + 1) := to_char(rawstring(i));
end loop;
return Result;
end function;
function to_string(Value : T_BCD_VECTOR) return string is
variable Result : string(1 to Value'length);
begin
for i in Value'range loop
Result(Result'high - (i - Value'low)) := to_HexChar(unsigned(Value(i)));
end loop;
return Result;
end function;
-- to_slv
-- ===========================================================================
function to_slv(rawstring : T_RAWSTRING) return std_logic_vector is
variable Result : std_logic_vector((rawstring'length * 8) - 1 downto 0);
begin
for i in rawstring'range loop
Result(((i - rawstring'low) * 8) + 7 downto (i - rawstring'low) * 8) := rawstring(i);
end loop;
return Result;
end function;
-- to_digit*
-- ===========================================================================
-- convert a binary digit given as CHARACTER to a digit returned as NATURAL; return -1 on error
function to_digit_bin(chr : character) return T_DIGIT_BIN is
begin
case chr is
when '0' => return 0;
when '1' => return 1;
when others => return -1;
end case;
end function;
-- convert an octal digit given as CHARACTER to a digit returned as NATURAL; return -1 on error
function to_digit_oct(chr : character) return T_DIGIT_OCT is
variable dec : integer;
begin
dec := to_digit_dec(chr);
return ite((dec < 8), dec, -1);
end function;
-- convert a adecimal digit given as CHARACTER to a digit returned as NATURAL; return -1 on error
function to_digit_dec(chr : character) return T_DIGIT_DEC is
begin
if chr_isDigit(chr) then
return character'pos(chr) - CHARACTER'pos('0');
else
return -1;
end if;
end function;
-- convert a hexadecimal digit given as CHARACTER to a digit returned as NATURAL; return -1 on error
function to_digit_hex(chr : character) return T_DIGIT_HEX is
begin
if chr_isDigit(chr) then return character'pos(chr) - CHARACTER'pos('0');
elsif chr_isLowerHexDigit(chr) then return character'pos(chr) - CHARACTER'pos('a') + 10;
elsif chr_isUpperHexDigit(chr) then return character'pos(chr) - CHARACTER'pos('A') + 10;
else return -1;
end if;
end function;
-- convert a digit given as CHARACTER to a digit returned as NATURAL; return -1 on error
function to_digit(chr : character; base : character := 'd') return integer is
begin
case base is
when 'b' => return to_digit_bin(chr);
when 'o' => return to_digit_oct(chr);
when 'd' => return to_digit_dec(chr);
when 'h' => return to_digit_hex(chr);
when others => report "Unknown base character: " & base & "." severity FAILURE;
end case; -- return statement is explicitly missing otherwise XST won't stop
end function;
-- to_natural*
-- ===========================================================================
-- convert a binary number given as STRING to a NATURAL; return -1 on error
function to_natural_bin(str : string) return integer is
variable Result : natural;
variable Digit : integer;
begin
for i in str'range loop
Digit := to_digit_bin(str(i));
if (Digit /= -1) then
Result := Result * 2 + Digit;
else
return -1;
end if;
end loop;
return Result;
end function;
-- convert an octal number given as STRING to a NATURAL; return -1 on error
function to_natural_oct(str : string) return integer is
variable Result : natural;
variable Digit : integer;
begin
for i in str'range loop
Digit := to_digit_oct(str(i));
if (Digit /= -1) then
Result := Result * 8 + Digit;
else
return -1;
end if;
end loop;
return Result;
end function;
-- convert a decimal number given as STRING to a NATURAL; return -1 on error
function to_natural_dec(str : string) return integer is
variable Result : natural;
variable Digit : integer;
begin
-- WORKAROUND: Xilinx Vivado Synth
-- Version: 2014.1
-- Issue:
-- INTEGER'value(...) is not supported by Vivado Synth
-- Solution:
-- implement a manual conversion using shift and multiply
for i in str'range loop
Digit := to_digit_dec(str(i));
if (Digit /= -1) then
Result := Result * 10 + Digit;
else
return -1;
end if;
end loop;
return Result; -- INTEGER'value(str);
end function;
-- convert a hexadecimal number given as STRING to a NATURAL; return -1 on error
function to_natural_hex(str : string) return integer is
variable Result : natural;
variable Digit : integer;
begin
for i in str'range loop
Digit := to_digit_hex(str(i));
if (Digit /= -1) then
Result := Result * 16 + Digit;
else
return -1;
end if;
end loop;
return Result;
end function;
-- convert a number given as STRING to a NATURAL; return -1 on error
function to_natural(str : string; base : character := 'd') return integer is
begin
case base is
when 'b' => return to_natural_bin(str);
when 'o' => return to_natural_oct(str);
when 'd' => return to_natural_dec(str);
when 'h' => return to_natural_hex(str);
when others => report "Unknown base character: " & base & "." severity FAILURE;
end case; -- return statement is explicitly missing otherwise XST won't stop
end function;
-- to_raw*
-- ===========================================================================
-- convert a CHARACTER to a RAWCHAR
function to_RawChar(char : character) return T_RAWCHAR is
begin
return std_logic_vector(to_unsigned(character'pos(char), T_RAWCHAR'length));
end function;
-- convert a STRING to a RAWSTRING
function to_RawString(str : string) return T_RAWSTRING is
variable Result : T_RAWSTRING(0 to str'length - 1);
begin
for i in str'low to str'high loop
Result(i - str'low) := to_RawChar(str(i));
end loop;
return Result;
end function;
-- resize
-- ===========================================================================
function resize(str : string; Size : positive; FillChar : character := C_POC_NUL) return string is
constant ConstNUL : string(1 to 1) := (others => C_POC_NUL);
variable Result : string(1 to Size);
begin
Result := (others => FillChar);
if (str'length > 0) then
-- WORKAROUND: for Altera Quartus-II
-- Version: 15.0
-- Issue: array bounds are check regardless of the hierarchy and control flow
Result(1 to imin(Size, imax(1, str'length))) := ite((str'length > 0), str(1 to imin(Size, str'length)), ConstNUL);
end if;
return Result;
end function;
-- function resize(str : T_RAWSTRING; size : POSITIVE; FillChar : T_RAWCHAR := x"00") return T_RAWSTRING is
-- constant ConstNUL : T_RAWSTRING(1 to 1) := (others => x"00");
-- variable Result : T_RAWSTRING(1 to size);
-- function ifthenelse(cond : BOOLEAN; value1 : T_RAWSTRING; value2 : T_RAWSTRING) return T_RAWSTRING is
-- begin
-- if cond then
-- return value1;
-- else
-- return value2;
-- end if;
-- end function;
-- begin
-- Result := (others => FillChar);
-- if (str'length > 0) then
-- Result(1 to imin(size, imax(1, str'length))) := ifthenelse((str'length > 0), str(1 to imin(size, str'length)), ConstNUL);
-- end if;
-- return Result;
-- end function;
-- Character functions
-- ===========================================================================
-- convert an upper case CHARACTER into a lower case CHARACTER
function chr_toLower(chr : character) return character is
begin
if chr_isUpperAlpha(chr) then
return character'val(character'pos(chr) - character'pos('A') + character'pos('a'));
else
return chr;
end if;
end function;
-- convert a lower case CHARACTER into an upper case CHARACTER
function chr_toUpper(chr : character) return character is
begin
if chr_isLowerAlpha(chr) then
return character'val(character'pos(chr) - character'pos('a') + character'pos('A'));
else
return chr;
end if;
end function;
-- String functions
-- ===========================================================================
-- count the length of a POC_NUL terminated STRING
function str_length(str : string) return natural is
begin
for i in str'range loop
if (str(i) = C_POC_NUL) then
return i - str'low;
end if;
end loop;
return str'length;
end function;
-- compare two STRINGs for equality
-- pre-check the string lengths to suppress warnings for unequal sized string comparisons.
-- QUESTION: overload "=" operator?
function str_equal(str1 : string; str2 : string) return boolean is
begin
if str1'length /= str2'length then
return FALSE;
else
return (str1 = str2);
end if;
end function;
-- compare two POC_NUL terminated STRINGs
function str_match(str1 : string; str2 : string) return boolean is
constant len : natural := imin(str1'length, str2'length);
begin
-- if both strings are empty
if ((str1'length = 0 ) and (str2'length = 0)) then return TRUE; end if;
-- compare char by char
for i in str1'low to str1'low + len - 1 loop
if (str1(i) /= str2(str2'low + (i - str1'low))) then
return FALSE;
elsif ((str1(i) = C_POC_NUL) xor (str2(str2'low + (i - str1'low)) = C_POC_NUL)) then
return FALSE;
elsif ((str1(i) = C_POC_NUL) and (str2(str2'low + (i - str1'low)) = C_POC_NUL)) then
return TRUE;
end if;
end loop;
-- check special cases,
return (((str1'length = len) and (str2'length = len)) or -- both strings are fully consumed and equal
((str1'length > len) and (str1(str1'low + len) = C_POC_NUL)) or -- str1 is longer, but str_length equals len
((str2'length > len) and (str2(str2'low + len) = C_POC_NUL))); -- str2 is longer, but str_length equals len
end function;
-- compare two POC_NUL terminated STRINGs; case insentitve
function str_imatch(str1 : string; str2 : string) return boolean is
begin
return str_match(str_toLower(str1), str_toLower(str2));
end function;
-- search for chr in a STRING and return the position; return -1 on error
function str_pos(str : string; chr : character; start : natural := 0) return integer is
begin
for i in imax(str'low, start) to str'high loop
exit when (str(i) = C_POC_NUL);
if (str(i) = chr) then
return i;
end if;
end loop;
return -1;
end function;
-- search for pattern in a STRING and return the position; return -1 on error
-- QUESTION: implement KMP algorithm?
function str_pos(str : string; pattern : string; start : natural := 0) return integer is
begin
for i in imax(str'low, start) to (str'high - pattern'length + 1) loop
exit when (str(i) = C_POC_NUL);
if (str(i to i + pattern'length - 1) = pattern) then
return i;
end if;
end loop;
return -1;
end function;
-- search for chr in a STRING and return the position; case insentitve; return -1 on error
function str_ipos(str : string; chr : character; start : natural := 0) return integer is
begin
return str_pos(str_toLower(str), chr_toLower(chr));
end function;
-- search for pattern in a STRING and return the position; case insentitve; return -1 on error
function str_ipos(str : string; pattern : string; start : natural := 0) return integer is
begin
return str_pos(str_toLower(str), str_toLower(pattern));
end function;
-- function str_pos(str1 : STRING; str2 : STRING) return INTEGER is
-- variable PrefixTable : T_INTVEC(0 to str2'length);
-- variable j : INTEGER;
-- begin
-- -- construct prefix table for KMP algorithm
-- j := -1;
-- PrefixTable(0) := -1;
-- for i in str2'range loop
-- while ((j >= 0) and str2(j + 1) /= str2(i)) loop
-- j := PrefixTable(j);
-- end loop;
--
-- j := j + 1;
-- PrefixTable(i - 1) := j + 1;
-- end loop;
--
-- -- search pattern str2 in text str1
-- j := 0;
-- for i in str1'range loop
-- while ((j >= 0) and str1(i) /= str2(j + 1)) loop
-- j := PrefixTable(j);
-- end loop;
--
-- j := j + 1;
-- if ((j + 1) = str2'high) then
-- return i - str2'length + 1;
-- end if;
-- end loop;
--
-- return -1;
-- end function;
-- check if chr exists in STRING str
function str_find(str : string; chr : character) return boolean is
begin
return (str_pos(str, chr) > 0);
end function;
-- check if pattern exists in STRING str
function str_find(str : string; pattern : string) return boolean is
begin
return (str_pos(str, pattern) > 0);
end function;
-- check if chr exists in STRING str; case insentitve
function str_ifind(str : string; chr : character) return boolean is
begin
return (str_ipos(str, chr) > 0);
end function;
-- check if pattern exists in STRING str; case insentitve
function str_ifind(str : string; pattern : string) return boolean is
begin
return (str_ipos(str, pattern) > 0);
end function;
-- replace a pattern in a STRING str by the STRING replace
function str_replace(str : string; pattern : string; replace : string) return string is
variable pos : integer;
begin
pos := str_pos(str, pattern);
if (pos > 0) then
if (pos = 1) then
return replace & str(pattern'length + 1 to str'length);
elsif (pos = str'length - pattern'length + 1) then
return str(1 to str'length - pattern'length) & replace;
else
return str(1 to pos - 1) & replace & str(pos + pattern'length to str'length);
end if;
else
return str;
end if;
end function;
-- return a sub-string of STRING str
-- EXAMPLES:
-- 123456789ABC
-- input string: "Hello World."
-- low=1; high=12; length=12
--
-- str_substr("Hello World.", 0, 0) => "Hello World." - copy all
-- str_substr("Hello World.", 7, 0) => "World." - copy from pos 7 to end of string
-- str_substr("Hello World.", 7, 5) => "World" - copy from pos 7 for 5 characters
-- str_substr("Hello World.", 0, -7) => "Hello World." - copy all until character 8 from right boundary
function str_substr(str : string; start : integer := 0; Length : integer := 0) return string is
variable StartOfString : positive;
variable EndOfString : positive;
begin
if (start < 0) then -- start is negative -> start substring at right string boundary
StartOfString := str'high + start + 1;
elsif (start = 0) then -- start is zero -> start substring at left string boundary
StartOfString := str'low;
else -- start is positive -> start substring at left string boundary + offset
StartOfString := start;
end if;
if (Length < 0) then -- Length is negative -> end substring at length'th character before right string boundary
EndOfString := str'high + Length;
elsif (Length = 0) then -- Length is zero -> end substring at right string boundary
EndOfString := str'high;
else -- Length is positive -> end substring at StartOfString + Length
EndOfString := StartOfString + Length - 1;
end if;
if (StartOfString < str'low) then report "StartOfString is out of str's range. (str=" & str & ")" severity FAILURE; end if;
if (EndOfString < str'high) then report "EndOfString is out of str's range. (str=" & str & ")" severity FAILURE; end if;
return str(StartOfString to EndOfString);
end function;
-- left-trim the STRING str
function str_ltrim(str : string; char : character := ' ') return string is
begin
for i in str'range loop
if (str(i) /= char) then
return str(i to str'high);
end if;
end loop;
return "";
end function;
-- right-trim the STRING str
function str_rtrim(str : string; char : character := ' ') return string is
begin
for i in str'reverse_range loop
if (str(i) /= char) then
return str(str'low to i);
end if;
end loop;
return "";
end function;
-- remove POC_NUL string termination characters
function str_trim(str : string) return string is
begin
return str(str'low to str'low + str_length(str) - 1);
end function;
-- center-align a STRING str in a FillChar filled STRING of length Length
function str_calign(str : string; Length : natural; FillChar : character := ' ') return string is
constant Start : positive := (Length - str'length) / 2;
variable Result : string(1 to Length);
begin
Result := (others => FillChar);
Result(Start to (Start + str'length)) := str;
return Result;
end function;
-- left-align a STRING str in a FillChar filled STRING of length Length
function str_lalign(str : string; Length : natural; FillChar : character := ' ') return string is
variable Result : string(1 to Length);
begin
Result := (others => FillChar);
Result(1 to str'length) := str;
return Result;
end function;
-- right-align a STRING str in a FillChar filled STRING of length Length
function str_ralign(str : string; Length : natural; FillChar : character := ' ') return string is
variable Result : string(1 to Length);
begin
Result := (others => FillChar);
Result((Length - str'length + 1) to Length) := str;
return Result;
end function;
-- convert an upper case STRING into a lower case STRING
function str_toLower(str : string) return string is
variable Result : string(str'range);
begin
for i in str'range loop
Result(i) := chr_toLower(str(i));
end loop;
return Result;
end function;
-- convert a lower case STRING into an upper case STRING
function str_toUpper(str : string) return string is
variable Result : string(str'range);
begin
for i in str'range loop
Result(i) := chr_toUpper(str(i));
end loop;
return Result;
end function;
end package body;
| agpl-3.0 | b0ea63feea60cf9182a58e5525d3159e | 0.646258 | 3.285767 | false | false | false | false |
preusser/q27 | src/vhdl/PoC/fifo/fifo_cc_got_tempput.vhdl | 1 | 13,774 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
--
-- ============================================================================================================================================================
-- Module: FIFO, common clock (cc), pipelined interface,
-- writes only become effective after explicit commit
--
-- Authors: Thomas B. Preusser
-- Steffen Koehler
-- Martin Zabel
--
-- Description:
-- ------------------------------------
-- The specified depth (MIN_DEPTH) is rounded up to the next suitable value.
--
-- As uncommitted writes populate FIFO space that is not yet available for
-- reading, an instance of this FIFO can, indeed, report 'full' and 'not vld'
-- at the same time. While a 'commit' would eventually make data available for
-- reading ('vld'), a 'rollback' would free the space for subsequent writing
-- ('not ful').
--
-- 'commit' and 'rollback' are inclusive and apply to all writes ('put') since
-- the previous 'commit' or 'rollback' up to and including a potentially
-- simultaneous write.
--
-- The FIFO state upon a simultaneous assertion of 'commit' and 'rollback' is
-- *undefined*!
--
-- *STATE_*_BITS defines the granularity of the fill state indicator
-- '*state_*'. 'fstate_rd' is associated with the read clock domain and outputs
-- the guaranteed number of words available in the FIFO. 'estate_wr' is
-- associated with the write clock domain and outputs the number of words that
-- is guaranteed to be accepted by the FIFO without a capacity overflow. Note
-- that both these indicators cannot replace the 'full' or 'valid' outputs as
-- they may be implemented as giving pessimistic bounds that are minimally off
-- the true fill state.
--
-- If a fill state is not of interest, set *STATE_*_BITS = 0.
--
-- 'fstate_rd' and 'estate_wr' are combinatorial outputs and include an address
-- comparator (subtractor) in their path.
--
-- Examples:
-- - FSTATE_RD_BITS = 1: fstate_rd == 0 => 0/2 full
-- fstate_rd == 1 => 1/2 full (half full)
--
-- - FSTATE_RD_BITS = 2: fstate_rd == 0 => 0/4 full
-- fstate_rd == 1 => 1/4 full
-- fstate_rd == 2 => 2/4 full
-- fstate_rd == 3 => 3/4 full
--
-- License:
-- ============================================================================================================================================================
-- Copyright 2007-2014 Technische Universitaet Dresden - Germany, Chair for VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- ============================================================================================================================================================
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
library poc;
use poc.config.all;
USE poc.utils.all;
use poc.ocram.ocram_sdp;
entity fifo_cc_got_tempput is
generic (
D_BITS : positive; -- Data Width
MIN_DEPTH : positive; -- Minimum FIFO Depth
DATA_REG : boolean := false; -- Store Data Content in Registers
STATE_REG : boolean := false; -- Registered Full/Empty Indicators
OUTPUT_REG : boolean := false; -- Registered FIFO Output
ESTATE_WR_BITS : natural := 0; -- Empty State Bits
FSTATE_RD_BITS : natural := 0 -- Full State Bits
);
port (
-- Global Reset and Clock
rst, clk : in std_logic;
-- Writing Interface
put : in std_logic; -- Write Request
din : in std_logic_vector(D_BITS-1 downto 0); -- Input Data
full : out std_logic;
estate_wr : out std_logic_vector(imax(0, ESTATE_WR_BITS-1) downto 0);
commit : in std_logic;
rollback : in std_logic;
-- Reading Interface
got : in std_logic; -- Read Completed
dout : out std_logic_vector(D_BITS-1 downto 0); -- Output Data
valid : out std_logic;
fstate_rd : out std_logic_vector(imax(0, FSTATE_RD_BITS-1) downto 0)
);
end fifo_cc_got_tempput;
architecture rtl of fifo_cc_got_tempput is
-- Address Width
constant A_BITS : natural := log2ceil(MIN_DEPTH);
-- Force Carry-Chain Use for Pointer Increments on Xilinx Architectures
constant FORCE_XILCY : boolean := (not SIMULATION) and (VENDOR = VENDOR_XILINX) and STATE_REG and (A_BITS > 4);
-----------------------------------------------------------------------------
-- Memory Pointers
-- Actual Input and Output Pointers
signal IP0 : unsigned(A_BITS-1 downto 0) := (others => '0');
signal OP0 : unsigned(A_BITS-1 downto 0) := (others => '0');
-- Incremented Input and Output Pointers
signal IP1 : unsigned(A_BITS-1 downto 0);
signal OP1 : unsigned(A_BITS-1 downto 0);
-- Committed Write Pointer (Commit Marker)
signal IPm : unsigned(A_BITS-1 downto 0) := (others => '0');
-----------------------------------------------------------------------------
-- Backing Memory Connectivity
-- Write Port
signal wa : unsigned(A_BITS-1 downto 0);
signal we : std_logic;
-- Read Port
signal ra : unsigned(A_BITS-1 downto 0);
signal re : std_logic;
-- Internal full and empty indicators
signal fulli : std_logic;
signal empti : std_logic;
begin
-----------------------------------------------------------------------------
-- Pointer Logic
genCCN: if not FORCE_XILCY generate
IP1 <= IP0 + 1;
OP1 <= OP0 + 1;
end generate;
genCCY: if FORCE_XILCY generate
component MUXCY
port (
O : out std_ulogic;
CI : in std_ulogic;
DI : in std_ulogic;
S : in std_ulogic
);
end component;
component XORCY
port (
O : out std_ulogic;
CI : in std_ulogic;
LI : in std_ulogic
);
end component;
signal ci, co : std_logic_vector(A_BITS downto 0);
begin
ci(0) <= '1';
genCCI : for i in 0 to A_BITS-1 generate
MUXCY_inst : MUXCY
port map (
O => ci(i+1),
CI => ci(i),
DI => '0',
S => IP0(i)
);
XORCY_inst : XORCY
port map (
O => IP1(i),
CI => ci(i),
LI => IP0(i)
);
end generate genCCI;
co(0) <= '1';
genCCO: for i in 0 to A_BITS-1 generate
MUXCY_inst : MUXCY
port map (
O => co(i+1),
CI => co(i),
DI => '0',
S => OP0(i)
);
XORCY_inst : XORCY
port map (
O => OP1(i),
CI => co(i),
LI => OP0(i)
);
end generate genCCO;
end generate;
process(clk)
begin
if rising_edge(clk) then
if rst = '1' then
IP0 <= (others => '0');
IPm <= (others => '0');
OP0 <= (others => '0');
else
-- Update Input Pointer upon Write
if rollback = '1' then
IP0 <= IPm;
elsif we = '1' then
IP0 <= IP1;
end if;
-- Update Commit Marker
if commit = '1' then
if we = '1' then
IPm <= IP1;
else
IPm <= IP0;
end if;
end if;
-- Update Output Pointer upon Read
if re = '1' then
OP0 <= OP1;
end if;
end if;
end if;
end process;
wa <= IP0;
ra <= OP0;
-- Fill State Computation (soft indicators)
process(fulli, IP0, IPm, OP0)
variable d : std_logic_vector(A_BITS-1 downto 0);
begin
-- Available Space
if ESTATE_WR_BITS > 0 then
-- Compute Pointer Difference
if fulli = '1' then
d := (others => '1'); -- true number minus one when full
else
d := std_logic_vector(IP0 - OP0); -- true number of valid entries
end if;
estate_wr <= not d(d'left downto d'left-ESTATE_WR_BITS+1);
else
estate_wr <= (others => 'X');
end if;
-- Available Content
if FSTATE_RD_BITS > 0 then
-- Compute Pointer Difference
if fulli = '1' then
d := (others => '1'); -- true number minus one when full
else
d := std_logic_vector(IPm - OP0); -- true number of valid entries
end if;
fstate_rd <= d(d'left downto d'left-FSTATE_RD_BITS+1);
else
fstate_rd <= (others => 'X');
end if;
end process;
-----------------------------------------------------------------------------
-- Computation of full and empty indications.
--
-- The STATE_REG generic is ignored as two different comparators are
-- needed to compare OP with IPm (empty) and IP with OP (full) anyways.
-- So the register implementation is always used.
blkState: block
signal Ful : std_logic := '0';
signal Pnd : std_logic := '0';
signal Avl : std_logic := '0';
begin
process(clk)
begin
if rising_edge(clk) then
if rst = '1' then
Ful <= '0';
Pnd <= '0';
Avl <= '0';
else
-- Pending Indicator for uncommitted Data
if commit = '1' or rollback = '1' then
Pnd <= '0';
elsif we = '1' then
Pnd <= '1';
end if;
-- Update Full Indicator
if re = '1' or (rollback = '1' and Pnd = '1') then
Ful <= '0';
elsif we = '1' and re = '0' and IP1 = OP0 then
Ful <= '1';
end if;
-- Update Empty Indicator
if commit = '1' and (we = '1' or Pnd = '1') then
Avl <= '1';
elsif re = '1' and OP1 = IPm then
Avl <= '0';
end if;
end if;
end if;
end process;
fulli <= Ful;
empti <= not Avl;
end block;
-----------------------------------------------------------------------------
-- Memory Access
-- Write Interface => Input
full <= fulli;
we <= put and not fulli;
-- Backing Memory and Read Interface => Output
genLarge: if not DATA_REG generate
signal do : std_logic_vector(D_BITS-1 downto 0);
begin
-- Backing Memory
ram : ocram_sdp
generic map (
A_BITS => A_BITS,
D_BITS => D_BITS
)
port map (
wclk => clk,
rclk => clk,
wce => '1',
wa => wa,
we => we,
d => din,
ra => ra,
rce => re,
q => do
);
-- Read Interface => Output
genOutputCmb : if not OUTPUT_REG generate
signal Vld : std_logic := '0'; -- valid output of RAM module
begin
process(clk)
begin
if rising_edge(clk) then
if rst = '1' then
Vld <= '0';
else
Vld <= (Vld and not got) or not empti;
end if;
end if;
end process;
re <= (not Vld or got) and not empti;
dout <= do;
valid <= Vld;
end generate genOutputCmb;
genOutputReg: if OUTPUT_REG generate
-- Extra Buffer Register for Output Data
signal Buf : std_logic_vector(D_BITS-1 downto 0) := (others => '-');
signal Vld : std_logic_vector(0 to 1) := (others => '0');
-- Vld(0) -- valid output of RAM module
-- Vld(1) -- valid word in Buf
begin
process(clk)
begin
if rising_edge(clk) then
if rst = '1' then
Buf <= (others => '-');
Vld <= (others => '0');
else
Vld(0) <= (Vld(0) and Vld(1) and not got) or not empti;
Vld(1) <= (Vld(1) and not got) or Vld(0);
if Vld(1) = '0' or got = '1' then
Buf <= do;
end if;
end if;
end if;
end process;
re <= (not Vld(0) or not Vld(1) or got) and not empti;
dout <= Buf;
valid <= Vld(1);
end generate genOutputReg;
end generate genLarge;
genSmall: if DATA_REG generate
-- Memory modelled as Array
type regfile_t is array(0 to 2**A_BITS-1) of std_logic_vector(D_BITS-1 downto 0);
signal regfile : regfile_t;
attribute ram_style : string; -- XST specific
attribute ram_style of regfile : signal is "distributed";
-- Altera Quartus II: Allow automatic RAM type selection.
-- For small RAMs, registers are used on Cyclone devices and the M512 type
-- is used on Stratix devices. Pass-through logic is automatically added
-- if required. (Warning can be ignored.)
begin
-- Memory State
process(clk)
begin
if rising_edge(clk) then
--synthesis translate_off
if SIMULATION AND (rst = '1') then
regfile <= (others => (others => '-'));
else
--synthesis translate_on
if we = '1' then
regfile(to_integer(wa)) <= din;
end if;
--synthesis translate_off
end if;
--synthesis translate_on
end if;
end process;
-- Memory Output
re <= got and not empti;
dout <= (others => 'X') when Is_X(std_logic_vector(ra)) else
regfile(to_integer(ra));
valid <= not empti;
end generate genSmall;
end rtl;
| agpl-3.0 | ef4f5453d52aca1ac947d91ab3d89851 | 0.519965 | 3.962601 | false | false | false | false |
jcowgill/cs-dacs-robot | Common/AsyncTxTest.vhd | 1 | 1,278 | LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
ENTITY AsyncTxTest IS
END AsyncTxTest;
ARCHITECTURE behavioral OF AsyncTxTest IS
COMPONENT AsyncTx
PORT ( TX : OUT STD_LOGIC;
ACTIVE : OUT STD_LOGIC;
SEND : IN STD_LOGIC;
CLR : IN STD_LOGIC;
CLK : IN STD_LOGIC;
DATA : IN STD_LOGIC_VECTOR (5 DOWNTO 0));
END COMPONENT;
SIGNAL TX : STD_LOGIC;
SIGNAL ACTIVE : STD_LOGIC;
SIGNAL SEND : STD_LOGIC;
SIGNAL CLR : STD_LOGIC;
SIGNAL CLK : STD_LOGIC;
SIGNAL DATA : STD_LOGIC_VECTOR (5 DOWNTO 0);
BEGIN
UUT: AsyncTx PORT MAP(
TX => TX,
ACTIVE => ACTIVE,
SEND => SEND,
CLR => CLR,
CLK => CLK,
DATA => DATA
);
clk_process : PROCESS
BEGIN
-- Clock signal (4 MHz)
CLK <= '0';
WAIT FOR 125ns;
CLK <= '1';
WAIT FOR 125ns;
END PROCESS;
tb_process : PROCESS
BEGIN
-- Reset
CLR <= '1';
WAIT FOR 1000ns;
CLR <= '0';
-- Send the number 1
DATA <= "001010";
SEND <= '1';
WAIT FOR 1000ns;
SEND <= '0';
WAIT;
END PROCESS;
END;
| apache-2.0 | 7204d74e74dfc00903e03cb6db300eee | 0.492175 | 3.630682 | false | false | false | false |
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`protect end_protected
| mit | 6baa9e1d0839c23b982d8f3a36e43523 | 0.952233 | 1.83908 | false | false | false | false |
wltr/cern-fgclite | nanofip_fpga/src/rtl/nanofip/dualram_512x8.vhd | 1 | 13,373 | --_________________________________________________________________________________________________
-- |
-- |The nanoFIP| |
-- |
-- CERN,BE/CO-HT |
--________________________________________________________________________________________________|
---------------------------------------------------------------------------------------------------
-- |
-- dualram_512x8 |
-- |
---------------------------------------------------------------------------------------------------
-- File dualram_512x8.vhd |
-- |
-- Description Instantiation of a template ProAsic3 RAM4K9 memory component with |
-- o word width: 8 bits and |
-- o depth : 512 bytes. |
-- |
-- Authors Pablo Alvarez Sanchez ([email protected]) |
-- Evangelia Gousiou ([email protected]) |
-- Date 15/12/2010 |
-- Version v0.02 |
-- Depends on ProASIC3 lib |
---------------- |
-- Last changes |
-- 08/2010 v0.01 EG pepeline not used! data appears in output 1 clock cycle after the |
-- address is given (otherwise it was 2 clock cycles later) slack |
-- checked and is ok! code cleaned-up and commented |
-- 15/12/2010 v0.02 EG comments for BLKA, BLKB; cleaning-up |
---------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE |
-- ------------------------------------ |
-- This source file is free software; you can redistribute it and/or modify it under the terms of |
-- the GNU Lesser General Public License as published by the Free Software Foundation; either |
-- version 2.1 of the License, or (at your option) any later version. |
-- This source is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
-- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
-- See the GNU Lesser General Public License for more details. |
-- You should have received a copy of the GNU Lesser General Public License along with this |
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html |
---------------------------------------------------------------------------------------------------
--=================================================================================================
-- Libraries & Packages
--=================================================================================================
-- Standard library
library IEEE;
use IEEE.STD_LOGIC_1164.all; -- std_logic definitions
use IEEE.NUMERIC_STD.all; -- conversion functions
-- Component specific library
library PROASIC3; -- ProASIC3 library
use PROASIC3.all;
--=================================================================================================
-- Entity declaration for dualram_512x8
--=================================================================================================
entity dualram_512x8 is port(
-- INPUTS
-- Inputs concerning port A
CLKA : in std_logic; -- clock A for synchronous read/ write operations
ADDRA : in std_logic_vector (8 downto 0); -- address A
DINA : in std_logic_vector (7 downto 0); -- data in A
RWA : in std_logic; -- read/ write mode; 1 for reading, 0 for writing
-- Inputs concerning port B
CLKB : in std_logic; -- clock B for synchronous read/ write operations
ADDRB : in std_logic_vector (8 downto 0); -- address B
DINB : in std_logic_vector (7 downto 0); -- data in B
RWB : in std_logic; -- read/ write mode; 1 for reading, 0 for writing
-- Reset
RESETn : in std_logic; -- sets all outputs low; does not reset the memory
-- OUTPUTS
-- Output concerning port A
DOUTA : out std_logic_vector (7 downto 0); -- data out A
-- Output concerning port B
DOUTB : out std_logic_vector (7 downto 0));-- data out B
end dualram_512x8;
--=================================================================================================
-- architecture declaration
--=================================================================================================
architecture RAM4K9 of dualram_512x8 is
---------------------------------------------------------------------------------------------------
-- General information concerning RAM4K9: a fully synchronous, true dual-port RAM with an optional
-- pipeline stage. It provides variable aspect ratios of 4096 x 1, 2048 x 2, 1024 x 4 and 512 x 9.
-- Both ports are capable of reading and writing, making it possible to write with both ports or
-- read with both ports simultaneously. Moreover, reading from one port while writing to the other
-- is possible.
-- WIDTHA0, WIDTHA1 and WIDTHB0, WIDTHB1:
-- Aspect ratio configuration.
-- WENA, WENB:
-- Switching between Read and Write modes for the respective ports.
-- A Low indicates Write operation and a High indicates a Read.
-- BLKA, BLKB:
-- Active low enable for the respective ports.
-- PIPEA, PIPEB:
-- Control of the optional pipeline stages.
-- A Low on the PIPEA or PIPEB indicates a non-pipelined Read and the data appears on the output
-- in the same clock cycle.
-- A High indicates a pipelined Read and data appears on the output in the next clock cycle.
-- WMODEA, WMODEB:
-- Configuration of the behavior of the output when the RAM is in the Write mode.
-- A Low on this signal makes the output retain data from the previous Read. A High indicates a
-- pass-through behavior where the data being written will appear on the output immediately.
component RAM4K9
generic (MEMORYFILE : string := "");
port(
ADDRA11, ADDRA10, ADDRA9, ADDRA8, ADDRA7, ADDRA6,
ADDRA5, ADDRA4, ADDRA3, ADDRA2, ADDRA1, ADDRA0,
ADDRB11, ADDRB10, ADDRB9, ADDRB8, ADDRB7, ADDRB6,
ADDRB5, ADDRB4, ADDRB3, ADDRB2, ADDRB1, ADDRB0,
DINA8, DINA7, DINA6, DINA5, DINA4, DINA3, DINA2, DINA1, DINA0,
DINB8, DINB7, DINB6, DINB5, DINB4, DINB3, DINB2, DINB1, DINB0,
WIDTHA0, WIDTHA1,
WIDTHB0, WIDTHB1,
PIPEA, PIPEB,
WMODEA, WMODEB,
BLKA, BLKB,
WENA, WENB,
CLKA, CLKB,
RESET : in std_logic := 'U';
----------------------------------------------------
DOUTA8, DOUTA7, DOUTA6, DOUTA5, DOUTA4, DOUTA3, DOUTA2, DOUTA1, DOUTA0,
DOUTB8, DOUTB7, DOUTB6, DOUTB5, DOUTB4, DOUTB3, DOUTB2, DOUTB1, DOUTB0 : out std_logic);
----------------------------------------------------
end component;
---------------------------------------------------------------------------------------------------
-- Instantiation of the component VCC
component VCC
port (Y : out std_logic);
end component;
---------------------------------------------------------------------------------------------------
-- Instantiation of the component GND
component GND
port (Y : out std_logic);
end component;
---------------------------------------------------------------------------------------------------
signal POWER, GROUND : std_logic;
--=================================================================================================
-- architecture begin
--=================================================================================================
begin
power_supply_signal : VCC port map(Y => POWER);
ground_signal : GND port map(Y => GROUND);
---------------------------------------------------------------------------------------------------
-- Instantiation of the component RAM4K9.
-- The following configuration has been applied:
-- o aspect ratio : 9 x 512 (WIDTHA0, WIDTHA1, WIDTHB0, WIDTHB1 : VCC)
-- o word width : 8 bits (DINA8, DINB8: GND; DOUTA8, DOUTB8 : open)
-- o memory depth : 512 bytes(ADDRA11, ADDRA10, ADDRA9, ADDRB11, ADDRB10, ADDRB9: GND)
-- o BLKA, BLKB : GND (ports enabled)
-- o PIPEA, PIPEB : GND (not pipelined read)
-- o WMODEA, WMODEB: GND (in write mode the output retains the data from the previous read)
A9D8DualClkRAM_R0C0 : RAM4K9
port map(
-- INPUTS
-- inputs concerning port A
-- data in A (1 byte, (7 downto 0))
DINA8 => GROUND,
DINA7 => DINA(7),
DINA6 => DINA(6),
DINA5 => DINA(5),
DINA4 => DINA(4),
DINA3 => DINA(3),
DINA2 => DINA(2),
DINA1 => DINA(1),
DINA0 => DINA(0),
-- address A (512 bytes depth, (8 downto 0))
ADDRA11 => GROUND,
ADDRA10 => GROUND,
ADDRA9 => GROUND,
ADDRA8 => ADDRA(8),
ADDRA7 => ADDRA(7),
ADDRA6 => ADDRA(6),
ADDRA5 => ADDRA(5),
ADDRA4 => ADDRA(4),
ADDRA3 => ADDRA(3),
ADDRA2 => ADDRA(2),
ADDRA1 => ADDRA(1),
ADDRA0 => ADDRA(0),
-- read/ write mode for A
WENA => RWA,
-- clock for A
CLKA => CLKA,
-- aspect ratio, block, pipeline, write mode configurations for port A
WIDTHA0 => POWER,
WIDTHA1 => POWER,
BLKA => GROUND,
PIPEA => GROUND,
WMODEA => GROUND,
-- inputs concerning port B
-- data in B (1 byte, (7 downto 0))
DINB8 => GROUND,
DINB7 => DINB(7),
DINB6 => DINB(6),
DINB5 => DINB(5),
DINB4 => DINB(4),
DINB3 => DINB(3),
DINB2 => DINB(2),
DINB1 => DINB(1),
DINB0 => DINB(0),
-- address B (512 bytes depth, (8 downto 0))
ADDRB11 => GROUND,
ADDRB10 => GROUND,
ADDRB9 => GROUND,
ADDRB8 => ADDRB(8),
ADDRB7 => ADDRB(7),
ADDRB6 => ADDRB(6),
ADDRB5 => ADDRB(5),
ADDRB4 => ADDRB(4),
ADDRB3 => ADDRB(3),
ADDRB2 => ADDRB(2),
ADDRB1 => ADDRB(1),
ADDRB0 => ADDRB(0),
-- read/ write mode for B
WENB => RWB,
-- clock for B
CLKB => CLKB,
-- aspect ratio, block, pipeline, write mode configurations for port B
WIDTHB0 => POWER,
WIDTHB1 => POWER,
BLKB => GROUND,
PIPEB => GROUND,
WMODEB => GROUND,
-- input reset
RESET => RESETn,
-------------------------------
-- OUTPUTS
-- output concerning port A
-- data out A (1 byte)
DOUTA8 => open,
DOUTA7 => DOUTA(7),
DOUTA6 => DOUTA(6),
DOUTA5 => DOUTA(5),
DOUTA4 => DOUTA(4),
DOUTA3 => DOUTA(3),
DOUTA2 => DOUTA(2),
DOUTA1 => DOUTA(1),
DOUTA0 => DOUTA(0),
-- output concerning port B
-- data out B (1 byte)
DOUTB8 => open,
DOUTB7 => DOUTB(7),
DOUTB6 => DOUTB(6),
DOUTB5 => DOUTB(5),
DOUTB4 => DOUTB(4),
DOUTB3 => DOUTB(3),
DOUTB2 => DOUTB(2),
DOUTB1 => DOUTB(1),
DOUTB0 => DOUTB(0));
-------------------------------
end RAM4K9;
--=================================================================================================
-- architecture end
--=================================================================================================
---------------------------------------------------------------------------------------------------
-- E N D O F F I L E
--------------------------------------------------------------------------------------------------- | mit | f7a88a4e17290e62410ad44d0fe322b1 | 0.396471 | 5.050227 | false | false | false | false |
wltr/cern-fgclite | critical_fpga/src/rtl/cf/fetch_page/fetch_page_sram_adc.vhd | 1 | 5,657 | -------------------------------------------------------------------------------
--! @file fetch_page_sram_adc.vhd
--! @author Johannes Walter <[email protected]>
--! @copyright CERN TE-EPC-CCE
--! @date 2014-11-19
--! @brief Prepare SRAM page with ADC data for NanoFIP communication.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library work;
--! @brief Entity declaration of fetch_page_sram_adc
--! @details
--! This component prepares the SRAM ADC log page for the NanoFIP response.
entity fetch_page_sram_adc is
port (
--! @name Clock and resets
--! @{
--! System clock
clk_i : in std_ulogic;
--! Asynchronous active-low reset
rst_asy_n_i : in std_ulogic;
--! Synchronous active-high reset
rst_syn_i : in std_ulogic;
--! @}
--! @name Commands
--! @{
--! Start flag
start_i : in std_ulogic;
--! Done flag
done_o : out std_ulogic;
--! @}
--! @name Memory page interface
--! @{
--! Address
page_addr_o : out std_ulogic_vector(5 downto 0);
--! Write enable
page_wr_en_o : out std_ulogic;
--! Data output
page_data_o : out std_ulogic_vector(7 downto 0);
--! Done flag
page_done_i : in std_ulogic;
--! @}
--! @name External SRAM data
--! @{
-- Address
sram_addr_o : out std_ulogic_vector(4 downto 0);
--! Read request
sram_rd_en_o : out std_ulogic;
--! Data input
sram_data_i : in std_ulogic_vector(23 downto 0);
--! Data input enable
sram_data_en_i : in std_ulogic);
--! @}
end entity fetch_page_sram_adc;
--! RTL implementation of fetch_page_sram_adc
architecture rtl of fetch_page_sram_adc is
---------------------------------------------------------------------------
--! @name Types and Constants
---------------------------------------------------------------------------
--! @{
type state_t is (IDLE, WRITE_LOW, WRITE_MIDDLE, WAIT_MIDDLE, WRITE_HIGH, DONE);
type reg_t is record
state : state_t;
idx : unsigned(4 downto 0);
addr : unsigned(5 downto 0);
data : std_ulogic_vector(7 downto 0);
wr_en : std_ulogic;
rd_en : std_ulogic;
done : std_ulogic;
end record;
constant init_c : reg_t := (
state => IDLE,
idx => (others => '0'),
addr => (others => '0'),
data => (others => '0'),
wr_en => '0',
rd_en => '0',
done => '0');
--! @}
---------------------------------------------------------------------------
--! @name Internal Registers
---------------------------------------------------------------------------
--! @{
signal reg : reg_t;
--! @}
---------------------------------------------------------------------------
--! @name Internal Wires
---------------------------------------------------------------------------
--! @{
signal next_reg : reg_t;
--! @}
begin -- architecture rtl
---------------------------------------------------------------------------
-- Outputs
---------------------------------------------------------------------------
page_addr_o <= std_ulogic_vector(reg.addr);
page_wr_en_o <= reg.wr_en;
page_data_o <= reg.data;
sram_addr_o <= std_ulogic_vector(reg.idx);
sram_rd_en_o <= reg.rd_en;
done_o <= reg.done;
---------------------------------------------------------------------------
-- Registers
---------------------------------------------------------------------------
regs : process (clk_i, rst_asy_n_i) is
procedure reset is
begin
reg <= init_c;
end procedure reset;
begin -- process regs
if rst_asy_n_i = '0' then
reset;
elsif rising_edge(clk_i) then
if rst_syn_i = '1' then
reset;
else
reg <= next_reg;
end if;
end if;
end process regs;
---------------------------------------------------------------------------
-- Combinatorics
---------------------------------------------------------------------------
comb : process (reg, start_i, page_done_i, sram_data_i, sram_data_en_i) is
begin -- comb
-- Defaults
next_reg <= reg;
next_reg.rd_en <= '0';
next_reg.wr_en <= '0';
next_reg.done <= '0';
case reg.state is
when IDLE =>
if start_i = '1' then
next_reg.rd_en <= '1';
next_reg.state <= WRITE_LOW;
end if;
when WRITE_LOW =>
if sram_data_en_i = '1' then
next_reg.data <= sram_data_i(7 downto 0);
next_reg.wr_en <= '1';
end if;
if page_done_i = '1' then
next_reg.addr <= reg.addr + 1;
next_reg.state <= WRITE_MIDDLE;
end if;
when WRITE_MIDDLE =>
next_reg.data <= sram_data_i(15 downto 8);
next_reg.wr_en <= '1';
next_reg.state <= WAIT_MIDDLE;
when WAIT_MIDDLE =>
if page_done_i = '1' then
next_reg.addr <= reg.addr + 1;
next_reg.state <= WRITE_HIGH;
end if;
when WRITE_HIGH =>
next_reg.data <= sram_data_i(23 downto 16);
next_reg.wr_en <= '1';
next_reg.state <= DONE;
when DONE =>
if page_done_i = '1' then
if to_integer(reg.idx) < 19 then
next_reg.addr <= reg.addr + 1;
next_reg.idx <= reg.idx + 1;
next_reg.rd_en <= '1';
next_reg.state <= WRITE_LOW;
else
next_reg <= init_c;
next_reg.done <= '1';
end if;
end if;
end case;
end process comb;
end architecture rtl;
| mit | 5ee535a25ad0212c0e878974951073cf | 0.431678 | 3.94216 | false | false | false | false |
preusser/q27 | src/vhdl/PoC/common/config.vhdl | 1 | 46,749 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-- =============================================================================
-- Authors: Thomas B. Preusser
-- Martin Zabel
-- Patrick Lehmann
--
-- Package: Global configuration settings.
--
-- Description:
-- -------------------------------------
-- This file evaluates the settings declared in the project specific package my_config.
-- See also template file my_config.vhdl.template.
--
-- License:
-- =============================================================================
-- Copyright 2007-2016 Technische Universitaet Dresden - Germany,
-- Chair for VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- =============================================================================
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
library PoC;
use PoC.utils.all;
package config_private is
-- TODO:
-- ===========================================================================
subtype T_BOARD_STRING is string(1 to 16);
subtype T_BOARD_CONFIG_STRING is string(1 to 64);
subtype T_DEVICE_STRING is string(1 to 32);
-- Data structures to describe UART / RS232
type T_BOARD_UART_DESC is record
IsDTE : boolean; -- Data terminal Equipment (e.g. PC, Printer)
FlowControl : T_BOARD_CONFIG_STRING; -- (NONE, SW, HW_CTS_RTS, HW_RTR_RTS)
BaudRate : T_BOARD_CONFIG_STRING; -- e.g. "115.2 kBd"
BaudRate_Max : T_BOARD_CONFIG_STRING;
end record;
-- Data structures to describe Ethernet
type T_BOARD_ETHERNET_DESC is record
IPStyle : T_BOARD_CONFIG_STRING;
RS_DataInterface : T_BOARD_CONFIG_STRING;
PHY_Device : T_BOARD_CONFIG_STRING;
PHY_DeviceAddress : std_logic_vector(7 downto 0);
PHY_DataInterface : T_BOARD_CONFIG_STRING;
PHY_ManagementInterface : T_BOARD_CONFIG_STRING;
end record;
subtype T_BOARD_ETHERNET_DESC_INDEX is natural range 0 to 7;
type T_BOARD_ETHERNET_DESC_VECTOR is array(natural range <>) of T_BOARD_ETHERNET_DESC;
-- Data structures to describe a board layout
type T_BOARD_INFO is record
BoardName : T_BOARD_CONFIG_STRING;
FPGADevice : T_BOARD_CONFIG_STRING;
UART : T_BOARD_UART_DESC;
Ethernet : T_BOARD_ETHERNET_DESC_VECTOR(T_BOARD_ETHERNET_DESC_INDEX);
EthernetCount : T_BOARD_ETHERNET_DESC_INDEX;
end record;
type T_BOARD_INFO_VECTOR is array (natural range <>) of T_BOARD_INFO;
constant C_POC_NUL : character;
constant C_BOARD_STRING_EMPTY : T_BOARD_STRING;
constant C_BOARD_CONFIG_STRING_EMPTY : T_BOARD_CONFIG_STRING;
constant C_DEVICE_STRING_EMPTY : T_DEVICE_STRING;
constant C_BOARD_INFO_LIST : T_BOARD_INFO_VECTOR;
function conf(str : string) return T_BOARD_CONFIG_STRING;
end package;
package body config_private is
constant C_POC_NUL : character := '~';
constant C_BOARD_STRING_EMPTY : T_BOARD_STRING := (others => C_POC_NUL);
constant C_BOARD_CONFIG_STRING_EMPTY : T_BOARD_CONFIG_STRING := (others => C_POC_NUL);
constant C_DEVICE_STRING_EMPTY : T_DEVICE_STRING := (others => C_POC_NUL);
function conf(str : string) return T_BOARD_CONFIG_STRING is
constant ConstNUL : string(1 to 1) := (others => C_POC_NUL);
variable Result : string(1 to T_BOARD_CONFIG_STRING'length);
begin
Result := (others => C_POC_NUL);
if (str'length > 0) then
Result(1 to imin(T_BOARD_CONFIG_STRING'length, imax(1, str'length))) := ite((str'length > 0), str(1 to imin(T_BOARD_CONFIG_STRING'length, str'length)), ConstNUL);
end if;
return Result;
end function;
constant C_BOARD_ETHERNET_DESC_EMPTY : T_BOARD_ETHERNET_DESC := (
IPStyle => C_BOARD_CONFIG_STRING_EMPTY,
RS_DataInterface => C_BOARD_CONFIG_STRING_EMPTY,
PHY_Device => C_BOARD_CONFIG_STRING_EMPTY,
PHY_DeviceAddress => x"00",
PHY_DataInterface => C_BOARD_CONFIG_STRING_EMPTY,
PHY_ManagementInterface => C_BOARD_CONFIG_STRING_EMPTY
);
-- predefined UART descriptions
function brd_CreateUART(IsDTE : boolean; FlowControl : string; BaudRate : string; BaudRate_Max : string := "") return T_BOARD_UART_DESC is
variable Result : T_BOARD_UART_DESC;
begin
Result.IsDTE := IsDTE;
Result.FlowControl := conf(FlowControl);
Result.BaudRate := conf(BaudRate);
Result.BaudRate_Max := ite((BaudRate_Max = ""), conf(BaudRate), conf(BaudRate_Max));
return Result;
end function;
-- IsDTE FlowControl BaudRate
constant C_BOARD_UART_EMPTY : T_BOARD_UART_DESC := brd_CreateUART(TRUE, "NONE", "0 Bd");
constant C_BOARD_UART_DTE_115200_NONE : T_BOARD_UART_DESC := brd_CreateUART(TRUE, "NONE", "115.2 kBd");
constant C_BOARD_UART_DCE_115200_NONE : T_BOARD_UART_DESC := brd_CreateUART(FALSE, "NONE", "115.2 kBd");
constant C_BOARD_UART_DCE_115200_HWCTS : T_BOARD_UART_DESC := brd_CreateUART(FALSE, "HW_CTS_RTS", "115.2 kBd");
constant C_BOARD_UART_DCE_460800_NONE : T_BOARD_UART_DESC := brd_CreateUART(FALSE, "NONE", "460.8 kBd");
constant C_BOARD_UART_DTE_921600_NONE : T_BOARD_UART_DESC := brd_CreateUART(FALSE, "NONE", "921.6 kBd");
function brd_CreateEthernet(IPStyle : string; RS_DataInt : string; PHY_Device : string; PHY_DevAddress : std_logic_vector(7 downto 0); PHY_DataInt : string; PHY_MgntInt : string) return T_BOARD_ETHERNET_DESC is
variable Result : T_BOARD_ETHERNET_DESC;
begin
Result.IPStyle := conf(IPStyle);
Result.RS_DataInterface := conf(RS_DataInt);
Result.PHY_Device := conf(PHY_Device);
Result.PHY_DeviceAddress := PHY_DevAddress;
Result.PHY_DataInterface := conf(PHY_DataInt);
Result.PHY_ManagementInterface := conf(PHY_MgntInt);
return Result;
end function;
constant C_BOARD_ETH_EMPTY : T_BOARD_ETHERNET_DESC := brd_CreateEthernet("", "", "", x"00", "", "");
constant C_BOARD_ETH_SOFT_GMII_88E1111 : T_BOARD_ETHERNET_DESC := brd_CreateEthernet("SOFT", "GMII", "MARVEL_88E1111", x"07", "GMII", "MDIO");
constant C_BOARD_ETH_HARD_GMII_88E1111 : T_BOARD_ETHERNET_DESC := brd_CreateEthernet("HARD", "GMII", "MARVEL_88E1111", x"07", "GMII", "MDIO");
constant C_BOARD_ETH_SOFT_SGMII_88E1111 : T_BOARD_ETHERNET_DESC := brd_CreateEthernet("SOFT", "GMII", "MARVEL_88E1111", x"07", "SGMII", "MDIO_OVER_IIC");
constant C_BOARD_ETH_NONE : T_BOARD_ETHERNET_DESC_VECTOR(T_BOARD_ETHERNET_DESC_INDEX) := (others => C_BOARD_ETH_EMPTY);
-- Board Descriptions
-- ===========================================================================
constant C_BOARD_INFO_LIST : T_BOARD_INFO_VECTOR := (
(
BoardName => conf("GENERIC"),
FPGADevice => conf("GENERIC"), -- GENERIC
UART => C_BOARD_UART_DTE_921600_NONE,
Ethernet => (
0 => C_BOARD_ETH_HARD_GMII_88E1111,
others => C_BOARD_ETH_EMPTY
),
EthernetCount => 1
),
-- Altera boards
-- =========================================================================
(
BoardName => conf("DE0"),
FPGADevice => conf("EP3C16F484"), -- EP3C16F484
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("S2GXAV"),
FPGADevice => conf("EP2SGX90FF1508C3"), -- EP2SGX90FF1508C3
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("DE4"),
FPGADevice => conf("EP4SGX230KF40C2"), -- EP4SGX230KF40C2
UART => C_BOARD_UART_DCE_460800_NONE,
Ethernet => (
0 => brd_CreateEthernet("SOFT", "GMII", "MARVEL_88E1111", x"00", "RGMII", "MDIO"),
1 => brd_CreateEthernet("SOFT", "GMII", "MARVEL_88E1111", x"01", "RGMII", "MDIO"),
2 => brd_CreateEthernet("SOFT", "GMII", "MARVEL_88E1111", x"02", "RGMII", "MDIO"),
3 => brd_CreateEthernet("SOFT", "GMII", "MARVEL_88E1111", x"03", "RGMII", "MDIO"),
others => C_BOARD_ETH_EMPTY
),
EthernetCount => 4
),(
BoardName => conf("DE5"),
FPGADevice => conf("EP5SGXEA7N2F45C2"), -- EP5SGXEA7N2F45C2
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),
-- Lattice boards
-- =========================================================================
(
BoardName => conf("ECP5 Versa"),
FPGADevice => conf("LFE5UM-45F-6BG381C"), -- LFE5UM-45F-6BG381C
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),
-- Xilinx boards
-- =========================================================================
(
BoardName => conf("S3SK200"),
FPGADevice => conf("XC3S200FT256"), -- XC2S200FT256
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("S3ESK500"),
FPGADevice => conf("XC3S500EFT256"), -- XC2S500FT256
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("S3SK1000"),
FPGADevice => conf("XC3S1000FT256"), -- XC2S1000FT256
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("S3ESK1600"),
FPGADevice => conf("XC3S1600EFT256"), -- XC2S1600FT256
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("ATLYS"),
FPGADevice => conf("XC6SLX45-3CSG324"), -- XC6SLX45-3CSG324
UART => C_BOARD_UART_DCE_460800_NONE,
Ethernet => (
0 => C_BOARD_ETH_HARD_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("ZC706"),
FPGADevice => conf("XC7Z045-2FFG900"), -- XC7Z045-2FFG900C
UART => C_BOARD_UART_DTE_921600_NONE,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("ZedBoard"),
FPGADevice => conf("XC7Z020-1CLG484"), -- XC7Z020-1CLG484
UART => C_BOARD_UART_DTE_921600_NONE,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),(
BoardName => conf("AC701"),
FPGADevice => conf("XC7A200T-2FBG676C"), -- XC7A200T-2FBG676C
UART => C_BOARD_UART_DTE_921600_NONE,
Ethernet => (
0 => C_BOARD_ETH_SOFT_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("KC705"),
FPGADevice => conf("XC7K325T-2FFG900C"), -- XC7K325T-2FFG900C
UART => C_BOARD_UART_DTE_921600_NONE,
Ethernet => (
0 => C_BOARD_ETH_SOFT_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("ML505"),
FPGADevice => conf("XC5VLX50T-1FF1136"), -- XC5VLX50T-1FF1136
UART => C_BOARD_UART_DCE_115200_NONE,
Ethernet => (
0 => C_BOARD_ETH_HARD_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("ML506"),
FPGADevice => conf("XC5VSX50T-1FFG1136"), -- XC5VSX50T-1FFG1136
UART => C_BOARD_UART_DCE_115200_NONE,
Ethernet => (
0 => C_BOARD_ETH_HARD_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("ML507"),
FPGADevice => conf("XC5VFX70T-1FFG1136"), -- XC5VFX70T-1FFG1136
UART => C_BOARD_UART_DCE_115200_NONE,
Ethernet => (
0 => C_BOARD_ETH_HARD_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("XUPV5"),
FPGADevice => conf("XC5VLX110T-1FF1136"), -- XC5VLX110T-1FF1136
UART => C_BOARD_UART_DCE_115200_NONE,
Ethernet => (
0 => C_BOARD_ETH_HARD_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("ML605"),
FPGADevice => conf("XC6VLX240T-1FF1156"), -- XC6VLX240T-1FF1156
UART => C_BOARD_UART_EMPTY,
Ethernet => (
0 => C_BOARD_ETH_HARD_GMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("VC707"),
FPGADevice => conf("XC7VX485T-2FFG1761C"), -- XC7VX485T-2FFG1761C
UART => C_BOARD_UART_DTE_921600_NONE,
Ethernet => (
0 => C_BOARD_ETH_SOFT_SGMII_88E1111,
others => C_BOARD_ETH_EMPTY),
EthernetCount => 1
),(
BoardName => conf("VC709"),
FPGADevice => conf("XC7VX690T-2FFG1761C"), -- XC7VX690T-2FFG1761C
UART => C_BOARD_UART_DTE_921600_NONE,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
),
-- Custom Board (MUST BE LAST ONE)
-- =========================================================================
(
BoardName => conf("Custom"),
FPGADevice => conf("Device is unknown for a custom board"),
UART => C_BOARD_UART_EMPTY,
Ethernet => C_BOARD_ETH_NONE,
EthernetCount => 0
)
);
end package body;
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
library PoC;
use PoC.my_config.all;
use PoC.my_project.all;
use PoC.config_private.all;
use PoC.utils.all;
package config is
constant PROJECT_DIR : string := MY_PROJECT_DIR;
constant OPERATING_SYSTEM : string := MY_OPERATING_SYSTEM;
-- List of known FPGA / Chip vendors
-- ---------------------------------------------------------------------------
type T_VENDOR is (
VENDOR_UNKNOWN,
VENDOR_GENERIC,
VENDOR_ALTERA,
VENDOR_LATTICE,
VENDOR_XILINX
);
-- List of known synthesis tool chains
-- ---------------------------------------------------------------------------
type T_SYNTHESIS_TOOL is (
SYNTHESIS_TOOL_UNKNOWN,
SYNTHESIS_TOOL_GENERIC,
SYNTHESIS_TOOL_ALTERA_QUARTUS2,
SYNTHESIS_TOOL_LATTICE_LSE,
SYNTHESIS_TOOL_SYNOPSIS,
SYNTHESIS_TOOL_XILINX_XST,
SYNTHESIS_TOOL_XILINX_VIVADO
);
-- List of known device families
-- ---------------------------------------------------------------------------
type T_DEVICE_FAMILY is (
DEVICE_FAMILY_UNKNOWN,
DEVICE_FAMILY_GENERIC,
-- Altera
DEVICE_FAMILY_ARRIA,
DEVICE_FAMILY_CYCLONE,
DEVICE_FAMILY_STRATIX,
-- Lattice
DEVICE_FAMILY_ICE,
DEVICE_FAMILY_MACHXO,
DEVICE_FAMILY_ECP,
-- Xilinx
DEVICE_FAMILY_SPARTAN,
DEVICE_FAMILY_ZYNQ,
DEVICE_FAMILY_ARTIX,
DEVICE_FAMILY_KINTEX,
DEVICE_FAMILY_VIRTEX
);
type T_DEVICE_SERIES is (
DEVICE_SERIES_UNKNOWN,
DEVICE_SERIES_GENERIC,
-- Xilinx FPGA series
DEVICE_SERIES_7_SERIES,
DEVICE_SERIES_ULTRASCALE,
DEVICE_SERIES_ULTRASCALE_PLUS
);
-- List of known devices
-- ---------------------------------------------------------------------------
type T_DEVICE is (
DEVICE_UNKNOWN,
DEVICE_GENERIC,
-- Altera
DEVICE_MAX2, DEVICE_MAX10, -- Altera.Max
DEVICE_ARRIA1, DEVICE_ARRIA2, DEVICE_ARRIA5, DEVICE_ARRIA10, -- Altera.Arria
DEVICE_CYCLONE1, DEVICE_CYCLONE2, DEVICE_CYCLONE3, DEVICE_CYCLONE4, -- Altera.Cyclone
DEVICE_CYCLONE5, --
DEVICE_STRATIX1, DEVICE_STRATIX2, DEVICE_STRATIX3, DEVICE_STRATIX4, -- Altera.Stratix
DEVICE_STRATIX5, DEVICE_STRATIX10, --
-- Lattice
DEVICE_ICE40, DEVICE_ICE65, DEVICE_ICE5, -- Lattice.iCE
DEVICE_MACHXO, DEVICE_MACHXO2, -- Lattice.MachXO
DEVICE_ECP3, DEVICE_ECP4, DEVICE_ECP5, -- Lattice.ECP
-- Xilinx
DEVICE_SPARTAN3, DEVICE_SPARTAN6, -- Xilinx.Spartan
DEVICE_ZYNQ7, DEVICE_ZYNQ_ULTRA_PLUS, -- Xilinx.Zynq
DEVICE_ARTIX7, -- Xilinx.Artix
DEVICE_KINTEX7, DEVICE_KINTEX_ULTRA, DEVICE_KINTEX_ULTRA_PLUS, -- Xilinx.Kintex
DEVICE_VIRTEX5, DEVICE_VIRTEX6, DEVICE_VIRTEX7, -- Xilinx.Virtex
DEVICE_VIRTEX_ULTRA, DEVICE_VIRTEX_ULTRA_PLUS --
);
-- List of known device subtypes
-- ---------------------------------------------------------------------------
type T_DEVICE_SUBTYPE is (
DEVICE_SUBTYPE_NONE,
DEVICE_SUBTYPE_GENERIC,
-- Altera
DEVICE_SUBTYPE_E,
DEVICE_SUBTYPE_GS,
DEVICE_SUBTYPE_GX,
DEVICE_SUBTYPE_GT,
-- Lattice
DEVICE_SUBTYPE_U,
DEVICE_SUBTYPE_UM,
-- Xilinx
DEVICE_SUBTYPE_X,
DEVICE_SUBTYPE_T,
DEVICE_SUBTYPE_XT,
DEVICE_SUBTYPE_HT,
DEVICE_SUBTYPE_LX,
DEVICE_SUBTYPE_SXT,
DEVICE_SUBTYPE_LXT,
DEVICE_SUBTYPE_TXT,
DEVICE_SUBTYPE_FXT,
DEVICE_SUBTYPE_CXT,
DEVICE_SUBTYPE_HXT
);
-- List of known transceiver (sub-)types
-- ---------------------------------------------------------------------------
type T_TRANSCEIVER is (
TRANSCEIVER_NONE,
TRANSCEIVER_GENERIC,
-- TODO: add more? Altera transceivers
-- Altera transceivers
TRANSCEIVER_GXB, -- Altera GXB transceiver
--Lattice transceivers
TRANSCEIVER_MGT, -- Lattice transceiver
-- Xilinx transceivers
TRANSCEIVER_GTP_DUAL, TRANSCEIVER_GTPE1, TRANSCEIVER_GTPE2, -- Xilinx GTP transceivers
TRANSCEIVER_GTX, TRANSCEIVER_GTXE1, TRANSCEIVER_GTXE2, -- Xilinx GTX transceivers
TRANSCEIVER_GTH, TRANSCEIVER_GTHE1, TRANSCEIVER_GTHE2, -- Xilinx GTH transceivers
TRANSCEIVER_GTZ, -- Xilinx GTZ transceivers
TRANSCEIVER_GTY -- Xilinx GTY transceivers
);
-- Properties of an FPGA architecture
-- ===========================================================================
type T_DEVICE_INFO is record
Vendor : T_VENDOR;
Device : T_DEVICE;
DevFamily : T_DEVICE_FAMILY;
DevGeneration : natural;
DevNumber : natural;
DevSubType : T_DEVICE_SUBTYPE;
DevSeries : T_DEVICE_SERIES;
TransceiverType : T_TRANSCEIVER;
LUT_FanIn : positive;
end record;
-- Functions extracting board and PCB properties from "MY_BOARD"
-- which is declared in package "my_config".
-- ===========================================================================
function BOARD(BoardConfig : string := C_BOARD_STRING_EMPTY) return natural;
function BOARD_INFO(BoardConfig : string := C_BOARD_STRING_EMPTY) return T_BOARD_INFO;
function BOARD_NAME(BoardConfig : string := C_BOARD_STRING_EMPTY) return string;
function BOARD_DEVICE(BoardConfig : string := C_BOARD_STRING_EMPTY) return string;
function BOARD_UART_BAUDRATE(BoardConfig : string := C_BOARD_STRING_EMPTY) return string;
-- Functions extracting device and architecture properties from "MY_DEVICE"
-- which is declared in package "my_config".
-- ===========================================================================
function VENDOR(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_VENDOR;
function SYNTHESIS_TOOL(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_SYNTHESIS_TOOL;
function DEVICE(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE;
function DEVICE_FAMILY(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_FAMILY;
function DEVICE_SUBTYPE(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_SUBTYPE;
function DEVICE_SERIES(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_SERIES;
function DEVICE_GENERATION(DeviceString : string := C_DEVICE_STRING_EMPTY) return natural;
function DEVICE_NUMBER(DeviceString : string := C_DEVICE_STRING_EMPTY) return natural;
function TRANSCEIVER_TYPE(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_TRANSCEIVER;
function LUT_FANIN(DeviceString : string := C_DEVICE_STRING_EMPTY) return positive;
function DEVICE_INFO(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_INFO;
-- force FSM to predefined encoding in debug mode
function getFSMEncoding_gray(debug : boolean) return string;
end package;
package body config is
-- inlined function from PoC.utils, to break dependency
-- ===========================================================================
function ite(cond : boolean; value1 : string; value2 : string) return string is begin
if cond then return value1; else return value2; end if;
end function;
-- chr_is* function
function chr_isDigit(chr : character) return boolean is
begin
return ((character'pos('0') <= CHARACTER'pos(chr)) and (character'pos(chr) <= CHARACTER'pos('9')));
end function;
function chr_isAlpha(chr : character) return boolean is
begin
return (((character'pos('a') <= CHARACTER'pos(chr)) and (character'pos(chr) <= CHARACTER'pos('z'))) or
((character'pos('A') <= CHARACTER'pos(chr)) and (character'pos(chr) <= CHARACTER'pos('Z'))));
end function;
function str_length(str : string) return natural is
begin
for i in str'range loop
if (str(i) = C_POC_NUL) then
return i - str'low;
end if;
end loop;
return str'length;
end function;
function str_trim(str : string) return string is
begin
for i in str'range loop
if (str(i) = C_POC_NUL) then
return str(str'low to i-1);
end if;
end loop;
return str;
end function;
function str_imatch(str1 : string; str2 : string) return boolean is
constant len : natural := imin(str1'length, str2'length);
variable chr1 : character;
variable chr2 : character;
begin
-- if both strings are empty
if ((str1'length = 0 ) and (str2'length = 0)) then return TRUE; end if;
-- compare char by char
for i in 0 to len-1 loop
chr1 := str1(str1'low + i);
chr2 := str2(str2'low + i);
if (character'pos('A') <= CHARACTER'pos(chr1)) and (character'pos(chr1) <= CHARACTER'pos('Z')) then
chr1 := character'val(CHARACTER'pos(chr1) - character'pos('A') + CHARACTER'pos('a'));
end if;
if (character'pos('A') <= CHARACTER'pos(chr2)) and (character'pos(chr2) <= CHARACTER'pos('Z')) then
chr2 := character'val(CHARACTER'pos(chr2) - character'pos('A') + CHARACTER'pos('a'));
end if;
if (chr1 /= chr2) then
return FALSE;
elsif ((chr1 = C_POC_NUL) xor (chr2 = C_POC_NUL)) then
return FALSE;
elsif ((chr1 = C_POC_NUL) and (chr2 = C_POC_NUL)) then
return TRUE;
end if;
end loop;
-- check special cases,
if ((str1'length = len) and (str2'length = len)) then -- both strings are fully consumed and equal
return TRUE;
elsif (str1'length > len) then
return (str1(str1'low + len) = C_POC_NUL); -- str1 is longer, but str_length equals len
else
return (str2(str2'low + len) = C_POC_NUL); -- str2 is longer, but str_length equals len
end if;
end function;
function str_find(str : string; pattern : string; start : natural := 0) return boolean is
begin
for i in imax(str'low, start) to (str'high - pattern'length + 1) loop
exit when (str(i) = C_POC_NUL);
if (str(i to i + pattern'length - 1) = pattern) then
return TRUE;
end if;
end loop;
return FALSE;
end function;
-- private functions required by board description
-- ModelSim requires that this functions is defined before it is used below.
-- ===========================================================================
function getLocalDeviceString(DeviceString : string) return string is
constant ConstNUL : string(1 to 1) := (others => C_POC_NUL);
constant MY_DEVICE_STR : string := BOARD_DEVICE;
variable Result : string(1 to T_DEVICE_STRING'length);
begin
Result := (others => C_POC_NUL);
-- report DeviceString for debugging
if (POC_VERBOSE = TRUE) then
report "getLocalDeviceString: DeviceString='" & str_trim(DeviceString) & "' MY_DEVICE='" & str_trim(MY_DEVICE) & "' MY_DEVICE_STR='" & str_trim(MY_DEVICE_STR) & "'" severity NOTE;
end if;
-- if DeviceString is populated
if ((str_length(DeviceString) /= 0) and (str_imatch(DeviceString, "None") = FALSE)) then
Result(1 to imin(T_DEVICE_STRING'length, imax(1, DeviceString'length))) := ite((DeviceString'length > 0), DeviceString(1 to imin(T_DEVICE_STRING'length, DeviceString'length)), ConstNUL);
-- if MY_DEVICE is set, prefer it
elsif ((str_length(MY_DEVICE) /= 0) and (str_imatch(MY_DEVICE, "None") = FALSE)) then
Result(1 to imin(T_DEVICE_STRING'length, imax(1, MY_DEVICE'length))) := ite((MY_DEVICE'length > 0), MY_DEVICE(1 to imin(T_DEVICE_STRING'length, MY_DEVICE'length)), ConstNUL);
-- otherwise use MY_BOARD
else
Result(1 to imin(T_DEVICE_STRING'length, imax(1, MY_DEVICE_STR'length))) := ite((MY_DEVICE_STR'length > 0), MY_DEVICE_STR(1 to imin(T_DEVICE_STRING'length, MY_DEVICE_STR'length)), ConstNUL);
end if;
return Result;
end function;
function extractFirstNumber(str : string) return natural is
variable low : integer;
variable high : integer;
variable Result : natural;
variable Digit : integer;
begin
low := -1;
high := -1;
for i in str'low to str'high loop
if chr_isDigit(str(i)) then
low := i;
exit;
end if;
end loop;
-- abort if no digit can be found
if (low = -1) then return 0; end if;
for i in (low + 1) to str'high loop
if chr_isAlpha(str(i)) then
high := i - 1;
exit;
end if;
end loop;
if (high = -1) then return 0; end if;
-- return INTEGER'value(str(low to high)); -- 'value(...) is not supported by Vivado Synth 2014.1
-- convert substring to a number
for i in low to high loop
if (chr_isDigit(str(i)) = FALSE) then
return 0;
end if;
Result := (Result * 10) + (character'pos(str(i)) - character'pos('0'));
end loop;
return Result;
end function;
-- Public functions
-- ===========================================================================
-- TODO: comment
function BOARD(BoardConfig : string := C_BOARD_STRING_EMPTY) return natural is
constant MY_BRD : T_BOARD_CONFIG_STRING := ite((BoardConfig /= C_BOARD_STRING_EMPTY), conf(BoardConfig), conf(MY_BOARD));
constant BOARD_NAME : string := str_trim(MY_BRD);
begin
if (POC_VERBOSE = TRUE) then report "PoC configuration: Used board is '" & BOARD_NAME & "'" severity NOTE; end if;
for i in C_BOARD_INFO_LIST'range loop
if str_imatch(BOARD_NAME, C_BOARD_INFO_LIST(i).BoardName) then
return i;
end if;
end loop;
report "Unknown board name in MY_BOARD = " & MY_BRD & "." severity failure;
return C_BOARD_INFO_LIST'high;
end function;
function BOARD_INFO(BoardConfig : string := C_BOARD_STRING_EMPTY) return T_BOARD_INFO is
constant BRD : natural := BOARD(BoardConfig);
begin
return C_BOARD_INFO_LIST(BRD);
end function;
-- TODO: comment
function BOARD_NAME(BoardConfig : string := C_BOARD_STRING_EMPTY) return string is
constant BRD : natural := BOARD(BoardConfig);
begin
return str_trim(C_BOARD_INFO_LIST(BRD).BoardName);
end function;
-- TODO: comment
function BOARD_DEVICE(BoardConfig : string := C_BOARD_STRING_EMPTY) return string is
constant BRD : natural := BOARD(BoardConfig);
begin
return str_trim(C_BOARD_INFO_LIST(BRD).FPGADevice);
end function;
function BOARD_UART_BAUDRATE(BoardConfig : string := C_BOARD_STRING_EMPTY) return string is
constant BRD : natural := BOARD(BoardConfig);
begin
return str_trim(C_BOARD_INFO_LIST(BRD).UART.BaudRate);
end function;
-- purpose: extract vendor from MY_DEVICE
function VENDOR(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_VENDOR is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant VEN_STR2 : string(1 to 2) := MY_DEV(1 to 2); -- TODO: test if alias declarations also work out on all platforms
constant VEN_STR3 : string(1 to 3) := MY_DEV(1 to 3); -- TODO: test if alias declarations also work out on all platforms
begin
case VEN_STR2 is
when "GE" => return VENDOR_GENERIC;
when "EP" => return VENDOR_ALTERA;
when "XC" => return VENDOR_XILINX;
when others => null;
end case;
case VEN_STR3 is
when "iCE" => return VENDOR_LATTICE; -- iCE devices
when "LCM" => return VENDOR_LATTICE; -- MachXO device
when "LFE" => return VENDOR_LATTICE; -- ECP devices
when others => report "Unknown vendor in MY_DEVICE = '" & MY_DEV & "'" severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end function;
function SYNTHESIS_TOOL(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_SYNTHESIS_TOOL is
constant VEN : T_VENDOR := VENDOR(DeviceString);
begin
case VEN is
when VENDOR_GENERIC =>
return SYNTHESIS_TOOL_GENERIC;
when VENDOR_ALTERA =>
return SYNTHESIS_TOOL_ALTERA_QUARTUS2;
when VENDOR_LATTICE =>
return SYNTHESIS_TOOL_LATTICE_LSE;
--return SYNTHESIS_TOOL_SYNOPSIS;
when VENDOR_XILINX =>
if (1 fs /= 1 us) then
return SYNTHESIS_TOOL_XILINX_XST;
else
return SYNTHESIS_TOOL_XILINX_VIVADO;
end if;
when others =>
return SYNTHESIS_TOOL_UNKNOWN;
end case;
end function;
-- purpose: extract device from MY_DEVICE
function DEVICE(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant VEN : T_VENDOR := VENDOR(DeviceString);
constant DEV_STR : string(3 to 4) := MY_DEV(3 to 4); -- TODO: test if alias declarations also work out on all platforms
begin
case VEN is
when VENDOR_GENERIC =>
if (MY_DEV(1 to 7) = "GENERIC") then return DEVICE_GENERIC;
else report "Unknown Generic device in MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when VENDOR_ALTERA =>
case DEV_STR is
when "1C" => return DEVICE_CYCLONE1;
when "2C" => return DEVICE_CYCLONE2;
when "3C" => return DEVICE_CYCLONE3;
when "1S" => return DEVICE_STRATIX1;
when "2S" => return DEVICE_STRATIX2;
when "4S" => return DEVICE_STRATIX4;
when "5S" => return DEVICE_STRATIX5;
when others => report "Unknown Altera device in MY_DEVICE = '" & MY_DEV & "'" severity failure;
end case;
when VENDOR_LATTICE =>
if (MY_DEV(1 to 6) = "LCMX02") then return DEVICE_MACHXO2;
elsif (MY_DEV(1 to 5) = "LCMX0") then return DEVICE_MACHXO;
elsif (MY_DEV(1 to 5) = "iCE40") then return DEVICE_ICE40;
elsif (MY_DEV(1 to 5) = "iCE65") then return DEVICE_ICE65;
elsif (MY_DEV(1 to 4) = "iCE5") then return DEVICE_ICE5;
elsif (MY_DEV(1 to 4) = "LFE3") then return DEVICE_ECP3;
elsif (MY_DEV(1 to 4) = "LFE4") then return DEVICE_ECP4;
elsif (MY_DEV(1 to 4) = "LFE5") then return DEVICE_ECP5;
else report "Unknown Lattice device in MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when VENDOR_XILINX =>
case DEV_STR is
when "7A" => return DEVICE_ARTIX7;
when "7K" => return DEVICE_KINTEX7;
when "KU" => return DEVICE_KINTEX_ULTRA;
when "3S" => return DEVICE_SPARTAN3;
when "6S" => return DEVICE_SPARTAN6;
when "5V" => return DEVICE_VIRTEX5;
when "6V" => return DEVICE_VIRTEX6;
when "7V" => return DEVICE_VIRTEX7;
when "VU" => return DEVICE_VIRTEX_ULTRA;
when "7Z" => return DEVICE_ZYNQ7;
when others => report "Unknown Xilinx device in MY_DEVICE = '" & MY_DEV & "'" severity failure;
end case;
when others => report "Unknown vendor in MY_DEVICE = " & MY_DEV & "." severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end function;
-- purpose: extract device from MY_DEVICE
function DEVICE_FAMILY(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_FAMILY is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant VEN : T_VENDOR := VENDOR(DeviceString);
constant FAM_CHAR : character := MY_DEV(4);
begin
case VEN is
when VENDOR_GENERIC =>
return DEVICE_FAMILY_GENERIC;
when VENDOR_ALTERA =>
case FAM_CHAR is
when 'C' => return DEVICE_FAMILY_CYCLONE;
when 'S' => return DEVICE_FAMILY_STRATIX;
when others => report "Unknown Altera device family in MY_DEVICE = '" & MY_DEV & "'" severity failure;
end case;
when VENDOR_LATTICE =>
case FAM_CHAR is
--when 'M' => return DEVICE_FAMILY_MACHXO;
when 'E' => return DEVICE_FAMILY_ECP;
when others => report "Unknown Lattice device family in MY_DEVICE = '" & MY_DEV & "'" severity failure;
end case;
when VENDOR_XILINX =>
case FAM_CHAR is
when 'A' => return DEVICE_FAMILY_ARTIX;
when 'K' => return DEVICE_FAMILY_KINTEX;
when 'S' => return DEVICE_FAMILY_SPARTAN;
when 'V' => return DEVICE_FAMILY_VIRTEX;
when 'Z' => return DEVICE_FAMILY_ZYNQ;
when others => report "Unknown Xilinx device family in MY_DEVICE = '" & MY_DEV & "'" severity failure;
end case;
when others => report "Unknown vendor in MY_DEVICE = '" & MY_DEV & "'" severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end function;
-- some devices share some common features: e.g. XADC, BlockRAM, ...
function DEVICE_SERIES(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_SERIES is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant DEV : T_DEVICE := DEVICE(DeviceString);
begin
case DEV is
when DEVICE_GENERIC =>
return DEVICE_SERIES_GENERIC;
-- all Xilinx ****7 devices
when DEVICE_ARTIX7 | DEVICE_KINTEX7 | DEVICE_VIRTEX7 | DEVICE_ZYNQ7 =>
return DEVICE_SERIES_7_SERIES;
-- all Xilinx ****UltraScale devices
when DEVICE_KINTEX_ULTRA | DEVICE_VIRTEX_ULTRA =>
return DEVICE_SERIES_ULTRASCALE;
-- all Xilinx ****UltraScale+ devices
when DEVICE_KINTEX_ULTRA_PLUS | DEVICE_VIRTEX_ULTRA_PLUS | DEVICE_ZYNQ_ULTRA_PLUS =>
return DEVICE_SERIES_ULTRASCALE_PLUS;
when others =>
return DEVICE_SERIES_UNKNOWN;
end case;
end function;
function DEVICE_GENERATION(DeviceString : string := C_DEVICE_STRING_EMPTY) return natural is
constant SERIES : T_DEVICE_SERIES := DEVICE_SERIES(DeviceString);
begin
if (SERIES = DEVICE_SERIES_7_SERIES) then
return 7;
else
return 0;
end if;
end function;
function DEVICE_NUMBER(DeviceString : string := C_DEVICE_STRING_EMPTY) return natural is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant VEN : T_VENDOR := VENDOR(DeviceString);
begin
case VEN is
when VENDOR_GENERIC => return 0;
when VENDOR_ALTERA => return extractFirstNumber(MY_DEV(5 to MY_DEV'high));
when VENDOR_LATTICE => return extractFirstNumber(MY_DEV(6 to MY_DEV'high));
when VENDOR_XILINX => return extractFirstNumber(MY_DEV(5 to MY_DEV'high));
when others => report "Unknown vendor in MY_DEVICE = '" & MY_DEV & "'" severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end function;
function DEVICE_SUBTYPE(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_SUBTYPE is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant DEV : T_DEVICE := DEVICE(MY_DEV);
constant DEV_SUB_STR : string(1 to 2) := MY_DEV(5 to 6); -- WORKAROUND: for GHDL
begin
case DEV is
when DEVICE_GENERIC => return DEVICE_SUBTYPE_GENERIC;
-- TODO: extract Arria GX subtype
when DEVICE_ARRIA1 =>
report "TODO: parse Arria device subtype." severity failure;
return DEVICE_SUBTYPE_NONE;
-- TODO: extract ArriaII GX,GZ subtype
when DEVICE_ARRIA2 =>
report "TODO: parse ArriaII device subtype." severity failure;
return DEVICE_SUBTYPE_NONE;
-- TODO: extract ArriaV GX, GT, SX, GZ subtype
when DEVICE_ARRIA5 =>
report "TODO: parse ArriaV device subtype." severity failure;
return DEVICE_SUBTYPE_NONE;
-- TODO: extract Arria10 GX, GT, SX subtype
when DEVICE_ARRIA10 =>
report "TODO: parse Arria10 device subtype." severity failure;
return DEVICE_SUBTYPE_NONE;
-- Altera Cyclon I, II, III, IV, V devices have no subtype
when DEVICE_CYCLONE1 | DEVICE_CYCLONE2 | DEVICE_CYCLONE3 | DEVICE_CYCLONE4 |
DEVICE_CYCLONE5 => return DEVICE_SUBTYPE_NONE;
when DEVICE_STRATIX2 =>
if chr_isDigit(DEV_SUB_STR(1)) then return DEVICE_SUBTYPE_NONE;
elsif (DEV_SUB_STR = "GX") then return DEVICE_SUBTYPE_GX;
else report "Unknown Stratix II subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_STRATIX4 =>
if (DEV_SUB_STR(1) = 'E') then return DEVICE_SUBTYPE_E;
elsif (DEV_SUB_STR = "GX") then return DEVICE_SUBTYPE_GX;
-- elsif (DEV_SUB_STR = "GT") then return DEVICE_SUBTYPE_GT;
else report "Unknown Stratix IV subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
-- TODO: extract StratixV subtype
when DEVICE_STRATIX5 =>
report "TODO: parse Stratix V device subtype." severity failure;
return DEVICE_SUBTYPE_NONE;
when DEVICE_ECP5 =>
if (DEV_SUB_STR(1) = 'U') then return DEVICE_SUBTYPE_U;
elsif (DEV_SUB_STR = "UM") then return DEVICE_SUBTYPE_UM;
else report "Unknown Lattice ECP5 subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_SPARTAN3 =>
report "TODO: parse Spartan3 / Spartan3E / Spartan3AN device subtype." severity failure;
return DEVICE_SUBTYPE_NONE;
when DEVICE_SPARTAN6 =>
if ((DEV_SUB_STR = "LX") and (not str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_LX;
elsif ((DEV_SUB_STR = "LX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_LXT;
else report "Unknown Virtex-5 subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_VIRTEX5 =>
if ((DEV_SUB_STR = "LX") and (not str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_LX;
elsif ((DEV_SUB_STR = "LX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_LXT;
elsif ((DEV_SUB_STR = "SX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_SXT;
elsif ((DEV_SUB_STR = "TX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_TXT;
elsif ((DEV_SUB_STR = "FX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_FXT;
else report "Unknown Virtex-5 subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_VIRTEX6 =>
if ((DEV_SUB_STR = "LX") and (not str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_LX;
elsif ((DEV_SUB_STR = "LX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_LXT;
elsif ((DEV_SUB_STR = "SX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_SXT;
elsif ((DEV_SUB_STR = "CX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_CXT;
elsif ((DEV_SUB_STR = "HX") and ( str_find(MY_DEV(7 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_HXT;
else report "Unknown Virtex-6 subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_ARTIX7 =>
if ( ( str_find(MY_DEV(5 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_T;
else report "Unknown Artix-7 subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_KINTEX7 =>
if ( ( str_find(MY_DEV(5 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_T;
else report "Unknown Kintex-7 subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_KINTEX_ULTRA => return DEVICE_SUBTYPE_NONE;
when DEVICE_KINTEX_ULTRA_PLUS => return DEVICE_SUBTYPE_NONE;
when DEVICE_VIRTEX7 =>
if ( ( str_find(MY_DEV(5 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_T;
elsif ((DEV_SUB_STR(1) = 'X') and ( str_find(MY_DEV(6 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_XT;
elsif ((DEV_SUB_STR(1) = 'H') and ( str_find(MY_DEV(6 to MY_DEV'high), "T"))) then return DEVICE_SUBTYPE_HT;
else report "Unknown Virtex-7 subtype: MY_DEVICE = '" & MY_DEV & "'" severity failure;
end if;
when DEVICE_VIRTEX_ULTRA => return DEVICE_SUBTYPE_NONE;
when DEVICE_VIRTEX_ULTRA_PLUS => return DEVICE_SUBTYPE_NONE;
when DEVICE_ZYNQ7 => return DEVICE_SUBTYPE_NONE;
when DEVICE_ZYNQ_ULTRA_PLUS => return DEVICE_SUBTYPE_NONE;
when others => report "Device sub-type is unknown for the given device." severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end function;
function LUT_FANIN(DeviceString : string := C_DEVICE_STRING_EMPTY) return positive is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant DEV : T_DEVICE := DEVICE(DeviceString);
constant SERIES : T_DEVICE_SERIES := DEVICE_SERIES(DeviceString);
begin
case SERIES is
when DEVICE_SERIES_GENERIC => return 6;
when DEVICE_SERIES_7_SERIES | DEVICE_SERIES_ULTRASCALE |
DEVICE_SERIES_ULTRASCALE_PLUS => return 6;
when others => null;
end case;
case DEV is
when DEVICE_CYCLONE1 | DEVICE_CYCLONE2 | DEVICE_CYCLONE3 => return 4;
when DEVICE_STRATIX1 | DEVICE_STRATIX2 => return 4;
when DEVICE_STRATIX4 | DEVICE_STRATIX5 => return 6;
when DEVICE_ECP5 => return 4;
when DEVICE_SPARTAN3 => return 4;
when DEVICE_SPARTAN6 => return 6;
when DEVICE_VIRTEX5 | DEVICE_VIRTEX6 => return 6;
when others => report "LUT fan-in is unknown for the given device." severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end function;
function TRANSCEIVER_TYPE(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_TRANSCEIVER is
constant MY_DEV : string(1 to 32) := getLocalDeviceString(DeviceString);
constant DEV : T_DEVICE := DEVICE(DeviceString);
constant DEV_NUM : natural := DEVICE_NUMBER(DeviceString);
constant DEV_SUB : T_DEVICE_SUBTYPE := DEVICE_SUBTYPE(DeviceString);
begin
case DEV is
when DEVICE_GENERIC => return TRANSCEIVER_GENERIC;
when DEVICE_MAX2 | DEVICE_MAX10 => return TRANSCEIVER_NONE; -- Altera MAX II, 10 devices have no transceivers
when DEVICE_CYCLONE1 | DEVICE_CYCLONE2 | DEVICE_CYCLONE3 => return TRANSCEIVER_NONE; -- Altera Cyclon I, II, III devices have no transceivers
when DEVICE_STRATIX2 => return TRANSCEIVER_GXB;
when DEVICE_STRATIX4 => return TRANSCEIVER_GXB;
--when DEVICE_STRATIX5 => return TRANSCEIVER_GXB;
when DEVICE_ECP5 => return TRANSCEIVER_MGT;
when DEVICE_SPARTAN3 => return TRANSCEIVER_NONE; -- Xilinx Spartan3 devices have no transceivers
when DEVICE_SPARTAN6 =>
case DEV_SUB is
when DEVICE_SUBTYPE_LX => return TRANSCEIVER_NONE;
when DEVICE_SUBTYPE_LXT => return TRANSCEIVER_GTPE1;
when others => report "Unknown Spartan-6 subtype: " & T_DEVICE_SUBTYPE'image(DEV_SUB) severity failure;
end case;
when DEVICE_VIRTEX5 =>
case DEV_SUB is
when DEVICE_SUBTYPE_LX => return TRANSCEIVER_NONE;
when DEVICE_SUBTYPE_SXT => return TRANSCEIVER_GTP_DUAL;
when DEVICE_SUBTYPE_LXT => return TRANSCEIVER_GTP_DUAL;
when DEVICE_SUBTYPE_TXT => return TRANSCEIVER_GTX;
when DEVICE_SUBTYPE_FXT => return TRANSCEIVER_GTX;
when others => report "Unknown Virtex-5 subtype: " & T_DEVICE_SUBTYPE'image(DEV_SUB) severity failure;
end case;
when DEVICE_VIRTEX6 =>
case DEV_SUB is
when DEVICE_SUBTYPE_LX => return TRANSCEIVER_NONE;
when DEVICE_SUBTYPE_SXT => return TRANSCEIVER_GTXE1;
when DEVICE_SUBTYPE_LXT => return TRANSCEIVER_GTXE1;
when DEVICE_SUBTYPE_HXT => return TRANSCEIVER_GTXE1;
when others => report "Unknown Virtex-6 subtype: " & T_DEVICE_SUBTYPE'image(DEV_SUB) severity failure;
end case;
when DEVICE_ARTIX7 => return TRANSCEIVER_GTPE2;
when DEVICE_KINTEX7 => return TRANSCEIVER_GTXE2;
when DEVICE_VIRTEX7 =>
case DEV_SUB is
when DEVICE_SUBTYPE_T => return TRANSCEIVER_GTXE2;
when DEVICE_SUBTYPE_XT =>
if (DEV_NUM = 485) then return TRANSCEIVER_GTXE2;
else return TRANSCEIVER_GTHE2;
end if;
when DEVICE_SUBTYPE_HT => return TRANSCEIVER_GTHE2;
when others => report "Unknown Virtex-7 subtype: " & T_DEVICE_SUBTYPE'image(DEV_SUB) severity failure;
end case;
when DEVICE_ZYNQ7 =>
case DEV_NUM is
when 10 | 20 => return TRANSCEIVER_NONE;
when 15 => return TRANSCEIVER_GTPE2;
when others => return TRANSCEIVER_GTXE2;
end case;
when others => report "Unknown device." severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end function;
-- purpose: extract architecture properties from DEVICE
function DEVICE_INFO(DeviceString : string := C_DEVICE_STRING_EMPTY) return T_DEVICE_INFO is
variable Result : T_DEVICE_INFO;
begin
Result.Vendor := VENDOR(DeviceString);
Result.Device := DEVICE(DeviceString);
Result.DevFamily := DEVICE_FAMILY(DeviceString);
Result.DevSubType := DEVICE_SUBTYPE(DeviceString);
Result.DevSeries := DEVICE_SERIES(DeviceString);
Result.DevGeneration := DEVICE_GENERATION(DeviceString);
Result.DevNumber := DEVICE_NUMBER(DeviceString);
Result.TransceiverType := TRANSCEIVER_TYPE(DeviceString);
Result.LUT_FanIn := LUT_FANIN(DeviceString);
return Result;
end function;
-- force FSM to predefined encoding in debug mode
function getFSMEncoding_gray(debug : boolean) return string is
begin
if (debug = true) then
return "gray";
else
case VENDOR is
when VENDOR_ALTERA => return "default";
--when VENDOR_LATTICE => return "default";
when VENDOR_XILINX => return "auto";
when others => report "Unknown vendor." severity failure;
-- return statement is explicitly missing otherwise XST won't stop
end case;
end if;
end function;
end package body;
| agpl-3.0 | 0616c1009eb9be89f88676e8265d82c0 | 0.62857 | 3.262317 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_2CUs_float.vhd | 1 | 23,540 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 1; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 11;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data por0s
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant MAX_FPU_DELAY : integer := FSQRT_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 4;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 522896b227d45429c7091df95c7bafb7 | 0.568734 | 3.715864 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_no_float_area_estimation.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FSLT_IMPLEMENT : integer := 1;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | e481914e4dad03e6266c90806db4bb1c | 0.567707 | 3.729005 | false | false | false | false |
preusser/q27 | src/vhdl/top/xilinx/s3sk_queens_uart.vhdl | 1 | 4,543 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-------------------------------------------------------------------------------
-- This file is part of the Queens@TUD solver suite
-- for enumerating and counting the solutions of an N-Queens Puzzle.
--
-- Copyright (C) 2008-2015
-- Thomas B. Preusser <[email protected]>
-------------------------------------------------------------------------------
-- This design is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published
-- by the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this design. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------------
library IEEE;
use IEEE.std_logic_1164.all;
entity s3sk_queens_uart is
generic (
N : positive := 27;
L : positive := 2;
SOLVERS : positive := 9;
COUNT_CYCLES : boolean := false;
CLK_FREQ : positive := 50000000;
CLK_MUL : positive := 22;
CLK_DIV : positive := 13;
BAUDRATE : positive := 115200;
SENTINEL : std_logic_vector(7 downto 0) := x"FA" -- Start Byte
);
port (
clkx : in std_logic;
rstx : in std_logic;
rx : in std_logic;
tx : out std_logic;
leds : out std_logic_vector(7 downto 0)
);
end s3sk_queens_uart;
library IEEE;
use IEEE.numeric_std.all;
library UNISIM;
use UNISIM.vcomponents.all;
architecture rtl of s3sk_queens_uart is
-- Global Control
signal clk : std_logic;
signal rst : std_logic;
-- Solver Status
signal avail : std_logic;
begin
-----------------------------------------------------------------------------
-- Generate Global Controls
blkGlobal: block is
signal clk_u : std_logic; -- Unbuffered Synthesized Clock
signal rst_s : std_logic_vector(1 downto 0) := (others => '0');
begin
-- Clock Generation
DCM1 : DCM
generic map (
CLKIN_PERIOD => 1000000000.0/real(CLK_FREQ),
CLKIN_DIVIDE_BY_2 => FALSE,
PHASE_SHIFT => 0,
CLKFX_MULTIPLY => CLK_MUL,
CLKFX_DIVIDE => CLK_DIV,
CLKOUT_PHASE_SHIFT => "NONE",
CLK_FEEDBACK => "NONE", -- only using clkfx
DLL_FREQUENCY_MODE => "LOW",
DFS_FREQUENCY_MODE => "LOW",
DUTY_CYCLE_CORRECTION => TRUE,
STARTUP_WAIT => TRUE -- Delay until DCM LOCK
)
port map (
CLK0 => open,
CLK180 => open,
CLK270 => open,
CLK2X => open,
CLK2X180 => open,
CLK90 => open,
CLKDV => open,
CLKFX => clk_u,
CLKFX180 => open,
LOCKED => open,
PSDONE => open,
STATUS => open,
CLKFB => open,
CLKIN => clkx,
PSCLK => '0',
PSEN => '0',
PSINCDEC => '0',
RST => '0'
);
clk_buf : BUFG
port map (
I => clk_u,
O => clk
);
-- Reset Synchronization
process(clk)
begin
if rising_edge(clk) then
rst_s <= rstx & rst_s(rst_s'left downto 1);
end if;
end process;
rst <= rst_s(0);
end block blkGlobal;
----------------------------------------------------------------------------
-- Solver Chain
chain: entity work.queens_uart
generic map (
N => N,
L => L,
SOLVERS => SOLVERS,
COUNT_CYCLES => COUNT_CYCLES,
CLK_FREQ => integer((real(CLK_MUL)*real(CLK_FREQ))/real(CLK_DIV)),
BAUDRATE => BAUDRATE,
SENTINEL => SENTINEL
)
port map (
clk => clk,
rst => rst,
rx => rx,
tx => tx,
avail => avail
);
----------------------------------------------------------------------------
-- Basic Status Output
leds <= std_logic_vector(to_unsigned((SOLVERS mod (2**(leds'length-1)-1))+1, leds'length-1)) & avail;
end rtl;
| agpl-3.0 | d551a50b1d474843ae68ce7ef45bf474 | 0.504292 | 4.13 | false | false | false | false |
malkadi/FGPU | RTL/ALU.vhd | 1 | 15,756 | -- libraries -------------------------------------------------------------------------------------------{{{
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
library work;
use work.all;
use work.FGPU_definitions.all;
---------------------------------------------------------------------------------------------------------}}}
entity ALU is -- {{{
port(
rs_addr : in unsigned(REG_FILE_BLOCK_W-1 downto 0); -- level 1.
rt_addr : in unsigned(REG_FILE_BLOCK_W-1 downto 0); -- level 1.
rd_addr : in unsigned(REG_FILE_BLOCK_W-1 downto 0); -- level 1.
regBlock_re : in std_logic_vector(N_REG_BLOCKS-1 downto 0); -- level 1.
family : in std_logic_vector(FAMILY_W-1 downto 0); -- level 1.
op_arith_shift : in op_arith_shift_type; -- level 6.
code : in std_logic_vector(CODE_W-1 downto 0); -- level 6.
immediate : in std_logic_vector(IMM_W-1 downto 0); -- level 6.
rd_out : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0'); -- level 10.
reg_we_mov : out std_logic := '0'; -- level 10.
float_a : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0'); -- level 9.
float_b : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0'); -- level 9.
op_logical_v : in std_logic := '0'; -- level 14.
res_low : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0'); -- level 16.
res_high : out std_logic_vector(DATA_W-1 downto 0) := (others=>'0'); -- level 16.
reg_wrData : in slv32_array(N_REG_BLOCKS-1 downto 0) := (others=>(others=>'0')); -- level 18.
reg_wrAddr : in reg_file_block_array(N_REG_BLOCKS-1 downto 0) := (others=>(others=>'0')); -- level 18.
reg_we : in std_logic_vector(N_REG_BLOCKS-1 downto 0) := (others=>'0'); -- level 18.
clk : in std_logic
);
end ALU; -- }}}
architecture Behavioral of ALU is
-- signals definitions {{{
type regBlock_re_vec_type is array(natural range <>) of std_logic_vector(N_REG_BLOCKS-1 downto 0);
signal regBlock_re_vec : regBlock_re_vec_type(6 downto 0) := (others=>(others=>'0'));
-- attribute max_fanout of regBlock_re_vec : signal is 50;
signal rs_vec, rt_vec, rd_vec : slv32_array(N_REG_BLOCKS-1 downto 0) := (others=>(others=>'0'));
signal rs_a, rt_a : std_logic_vector(DATA_W-1 downto 0) := (others => '0');
signal rs_b, rt_b : std_logic_vector(DATA_W-1 downto 0) := (others => '0');
signal a, a_p0, c : std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
signal b, b_shifted : std_logic_vector(DATA_W downto 0) := (others=>'0');
signal sra_sign : std_logic_vector(DATA_W downto 0) := (others=>'0');
signal sra_sign_v : std_logic := '0';
signal rs, rt, rd, rt_p0, rt_d0 : std_logic_vector(DATA_W-1 downto 0) := (others => '0');
signal shift : std_logic_vector(5 downto 0) := (others=>'0');
signal ignore : std_logic_vector(47-DATA_W-1 downto 0) := (others=>'0');
signal sub_op : std_logic := '0';
signal ce : std_logic := '0';
signal res_p0 : std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
type immediate_vec_type is array(natural range <>) of std_logic_vector(IMM_W-1 downto 0);
signal immediate_vec : immediate_vec_type(3 downto 0) := (others=>(others=>'0'));
type op_arith_shift_vec_type is array(natural range <>) of op_arith_shift_type;
signal op_arith_shift_vec : op_arith_shift_vec_type(2 downto 0) := (others => op_add);
signal rs_addr_vec, rt_addr_vec : reg_file_block_array(3 downto 0) := (others=>(others=>'0'));
signal rd_addr_vec : reg_file_block_array(3 downto 0) := (others=>(others=>'0'));
type code_vec_type is array(natural range<>) of std_logic_vector(CODE_W-1 downto 0);
signal code_vec : code_vec_type(2 downto 0) := (others=>(others=>'0'));
signal res_low_p0 : std_logic_vector(DATA_W-1 downto 0) := (others=>'0'); -- level 8
signal res_logical : std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
signal res_logical_vec : SLV32_ARRAY(4 downto 0) := (others=>(others=>'0'));
signal op_logical_v_d0 : std_logic := '0';
signal a_logical, b_logical : std_logic_vector(DATA_W-1 downto 0) := (others=>'0');
signal instr_is_slt, instr_is_sltu : std_logic_vector(5 downto 0) := (others=>'0');
signal sltu_true : std_logic := '0';
signal rt_zero : std_logic := '0';
--}}}
begin
-- regFiles -------------------------------------------------------------------------------------------{{{
reg_blocks: for i in 0 to N_REG_BLOCKS-1 generate
begin
reg_file: entity regFile port map (
rs_addr => rs_addr_vec(rs_addr_vec'high-i), -- level i+2.
rt_addr => rt_addr_vec(rt_addr_vec'high-i), -- level i+2.
rd_addr => rd_addr_vec(rd_addr_vec'high-i), -- level i+2.
re => regBlock_re_vec(regBlock_re_vec'high)(i), -- level i+2.
rs => rs_vec(i), -- level i+7.
rt => rt_vec(i), -- level i+6.
rd => rd_vec(i), -- level i+8.
we => reg_we(i), -- level 18.
wrAddr => reg_wrAddr(i), -- level 18.
wrData => reg_wrData(i), -- level 18.
clk => clk
);
end generate;
---------------------------------------------------------------------------------------------------------}}}
-- logical -------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
res_logical_vec(res_logical_vec'high) <= res_logical; -- @ 11.
res_logical_vec(res_logical_vec'high-1 downto 0) <= res_logical_vec(res_logical_vec'high downto 1); -- @ 12.->15.
op_logical_v_d0 <= op_logical_v; -- @ 15.
a_logical <= rs; --@ 9.
if code_vec(code_vec'high-1)(0) = '1' then -- level 8.
b_logical(DATA_W-1 downto IMM_ARITH_W) <= (others=>'0'); -- @ 9.
b_logical(IMM_ARITH_W-1 downto 0) <= immediate_vec(immediate_vec'high-1)(IMM_ARITH_W-1 downto 0); -- @ 9.
else
b_logical <= rt; -- @ 9.
end if;
res_logical <= a_logical and b_logical; -- @ 10.
if code_vec(code_vec'high-2)(1) = '1' then -- level 9.
res_logical <= a_logical or b_logical; -- @ 10.
end if;
if code_vec(code_vec'high-2)(2) = '1' then
res_logical <= a_logical xor b_logical; -- @ 10.
end if;
if code_vec(code_vec'high-2)(3) = '1' then
res_logical <= a_logical nor b_logical; -- @ 10.
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- output mux -------------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
if op_logical_v_d0 = '0' then -- level 15.
if instr_is_slt(0) = '1' then -- level 15.
res_low <= (others=>'0');
res_low(0) <= res_low_p0(res_low_p0'high); -- @ 16.
elsif instr_is_sltu(0) = '1' then -- level 15.
res_low <= (others=>'0');
res_low(0) <= sltu_true; -- @ 16.
else
res_low <= res_low_p0; -- @ 16.
end if;
else
res_low <= res_logical_vec(0); -- @ 16.
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- pipelines & muxes ------------------------------------------------------------------------------------{{{
process(clk)
begin
if rising_edge(clk) then
-- pipes {{{
rs_addr_vec(rs_addr_vec'high-1 downto 0) <= rs_addr_vec(rs_addr_vec'high downto 1); -- @ 1.->2.
rs_addr_vec(rs_addr_vec'high) <= rs_addr; -- @ 2.
rt_addr_vec(rt_addr_vec'high-1 downto 0) <= rt_addr_vec(rt_addr_vec'high downto 1); -- @ 1.->2.
rt_addr_vec(rt_addr_vec'high) <= rt_addr; -- @ 2.
rd_addr_vec(rd_addr_vec'high-1 downto 0) <= rd_addr_vec(rd_addr_vec'high downto 1); -- @ 1.->2.
rd_addr_vec(rd_addr_vec'high) <= rd_addr; -- @ 2.
op_arith_shift_vec(op_arith_shift_vec'high-1 downto 0) <= op_arith_shift_vec(op_arith_shift_vec'high downto 1); -- @ 8.->9.
op_arith_shift_vec(op_arith_shift_vec'high) <= op_arith_shift; -- @ 7.
code_vec(code_vec'high-1 downto 0) <= code_vec(code_vec'high downto 1); -- @ 8.->9.
code_vec(code_vec'high) <= code; -- @ 7.
immediate_vec(immediate_vec'high-1 downto 0) <= immediate_vec(immediate_vec'high downto 1); -- @ 8.->10.
immediate_vec(immediate_vec'high) <= immediate; -- @ 7
regBlock_re_vec(regBlock_re_vec'high-1 downto 0) <= regBlock_re_vec(regBlock_re_vec'high downto 1); --@ 3.->8.
regBlock_re_vec(regBlock_re_vec'high) <= regBlock_re; -- @ 2.
--}}}
-- @ 7 {{{
rt_p0 <= rt_vec(0); -- @ 7.
for i in 1 to N_REG_BLOCKS-1 loop
if regBlock_re_vec(2)(i) = '1' then
rt_p0 <= rt_vec(i); -- @ i+7.
end if;
end loop;
-- }}}
-- @ 8 {{{
rt <= rt_p0; -- @ 8.
rs <= rs_vec(0); -- @ 8.
for i in 1 to N_REG_BLOCKS-1 loop
if regBlock_re_vec(1)(i) = '1' then -- level 7.
rs <= rs_vec(i); -- @ i+8.
end if;
end loop;
if code_vec(code_vec'high)(CODE_W-1) = '0' then -- level 7.
shift(5) <= '0'; -- @ 8.
if code_vec(code_vec'high)(0) = '0' then -- level 7.
shift(4 downto 0) <= rt_p0(4 downto 0); -- sll @8.
else
shift(4 downto 0) <= immediate_vec(immediate_vec'high)(4 downto 0); --slli -- @ 8.
end if;
else
if code_vec(code_vec'high)(0) = '0' then -- shift right -- level 7
-- the width of port b of the mutiplier needs to be extended to 33, or the high part to 17 to enable a shift right logical with zero
shift(5 downto 0) <= std_logic_vector("100000" - resize(unsigned(rt_p0(4 downto 0)), 6)); --srl & sra -- @ 8.
else
shift(5 downto 0) <= std_logic_vector("100000" - resize(unsigned(immediate_vec(immediate_vec'high)(4 downto 0)), 6)); -- srli & srai -- @ 8.
end if;
end if;
-- }}}
-- @ 9 {{{
float_a <= rs; -- @ 9.
float_b <= rt; -- @ 9.
rt_d0 <= rt; -- @ 9.
rt_zero <= '0'; -- @ 9.
if rt = (rt'reverse_range=>'0') then -- level 8.
rt_zero <= '1'; -- @ 9.
end if;
b_shifted <= (others=>'0'); -- @ 9.
b_shifted(to_integer(unsigned(shift))) <= '1'; -- @ 9.
a_p0 <= rs; -- @ 9.
rd <= rd_vec(0); -- @ 9.
for i in 1 to N_REG_BLOCKS-1 loop
if regBlock_re_vec(0)(i) = '1' then -- level 8.
rd <= rd_vec(i); -- @ i+9.
end if;
end loop;
-- }}}
-- @ 10 {{{
rd_out <= rd; -- @ 10.
a <= a_p0; -- @ 10.
reg_we_mov <= rt_zero; -- movz, @10.
if op_arith_shift_vec(0) = op_mov then -- level 9.
if code_vec(code_vec'high-2)(CODE_W-1) = '0' then -- movn, level 9.
reg_we_mov <= not rt_zero; -- @ 10.
end if;
end if;
case op_arith_shift_vec(0) is -- level 9.
when op_shift =>
if code_vec(code_vec'high-2)(CODE_W-1) = '1' and code_vec(code_vec'high-2)(CODE_W-2) = '1' and a_p0(DATA_W-1) = '1' then -- level 9.
-- CODE_W-1 for right shift & CODE_W-2 for arithmetic & a_p0(DATA_W-1) for negative
sra_sign <= b_shifted; -- @ 10.
sra_sign_v <= '1'; -- @ 10.
else
sra_sign <= (others=>'0'); -- @ 10.
sra_sign_v <= '0'; -- @ 10.
end if;
when others =>
sra_sign <= (others=>'0'); -- @ 10.
sra_sign_v <= '0'; -- @ 10.
end case;
-- b {{{
case op_arith_shift_vec(0) is -- level 9.
when op_lw =>
b(DATA_W downto 3) <= (others=>'0');
b(2 downto 0) <= code_vec(code_vec'high-2)(2 downto 0); -- @ 10.
when op_mult =>
b(DATA_W) <= '0';
b(rt_d0'range) <= rt_d0; -- @ 10.
when op_shift =>
b <= b_shifted; -- @ 10.
when others =>
b <= (0=>'1', others=>'0'); -- @ 10.
end case;
-- }}}
-- c {{{
case op_arith_shift_vec(0) is -- level 9.
when op_add | op_slt =>
if code_vec(code_vec'high-2)(0) = '0' then -- "use immediate"-bit not set, level 9.
c <= rt_d0; -- @ 10.
elsif code_vec(code_vec'high-2)(CODE_W-1) = '0' then -- addi, slti, sltiu -- level 9.
c <= std_logic_vector(resize(signed(immediate_vec(immediate_vec'high-2)(IMM_ARITH_W-1 downto 0)), DATA_W)); -- @ 10.
elsif code_vec(code_vec'high-2)(CODE_W-2) = '0' then -- li -- level 4 & 4.5
c <= std_logic_vector(resize(signed(immediate_vec(immediate_vec'high-2)(IMM_W-1 downto 0)), DATA_W)); -- @ 10.
else --lui
c(DATA_W-1 downto DATA_W-IMM_W) <= immediate_vec(immediate_vec'high-2)(IMM_W-1 downto 0); -- @ 10.
c(DATA_W-IMM_W-1 downto 0) <= rd(DATA_W-IMM_W-1 downto 0); -- @ 10.
end if;
when op_lw | op_ato =>
c <= rt_d0; -- @ 10.
when op_lmem =>
c <= std_logic_vector(resize(signed(immediate_vec(immediate_vec'high-2)(IMM_ARITH_W-1 downto 0)), DATA_W)); -- @ 10.
when op_mult =>
if code_vec(code_vec'high-2)(CODE_W-1) = '1' then -- macc -- level 9
c <= rd; -- @ 10.
else
c <= (others=>'0'); -- @ 10.
end if;
when op_bra =>
c <= rd; -- @ 10.
when others => -- when op_shift | op_mov | nop
c <= (others=>'0'); -- @ 10.
end case;
-- }}}
-- slt & sltu {{{
instr_is_slt(instr_is_slt'high) <= '0'; -- @ 10.
instr_is_sltu(instr_is_sltu'high) <= '0'; -- @ 10.
if op_arith_shift_vec(0) = op_slt then -- level 9
if code_vec(code_vec'high-2)(2) = '0' then -- slt & slti, level 9
instr_is_slt(instr_is_slt'high) <= '1'; -- @ 10.
else --sltu & sltiu
instr_is_sltu(instr_is_sltu'high) <= '1'; -- @ 10.
end if;
end if;
instr_is_slt(instr_is_slt'high-1 downto 0) <= instr_is_slt(instr_is_slt'high downto 1); -- @ 11.->15.
instr_is_sltu(instr_is_sltu'high-1 downto 0) <= instr_is_sltu(instr_is_sltu'high downto 1); -- @ 11.->15.
-- }}}
sub_op <= '0'; -- @ 10.
case op_arith_shift_vec(0) is -- level 9.
when op_add | op_bra | op_slt =>
sub_op <= code_vec(code_vec'high-2)(1); -- @ 10.
when op_lmem | op_lw | op_mult | op_shift | op_mov | op_ato=>
end case;
-- }}}
end if;
end process;
---------------------------------------------------------------------------------------------------------}}}
-- mult_add_sub {{{
ce <= '1';
mult_adder: entity mult_add_sub port map (
clk => clk,
ce => ce,
sub => sub_op, -- level 10.
a => unsigned(a), -- level 10.
b => unsigned(b), -- level 10.
c => unsigned(c), -- level 10.
sra_sign => unsigned(sra_sign), -- 10.
sra_sign_v => sra_sign_v, -- level 10.
res_low_p0 => res_low_p0, -- level 15.
sltu_true_p0=> sltu_true, --level 15.
res_high => res_high -- level 16.
);
-- }}}
end Behavioral;
| gpl-3.0 | cafceba4509dce30b8c9168a89b7189c | 0.472772 | 3.205697 | false | false | false | false |
joalcava/sparcv8-monocicle | instruction_memory.vhd | 1 | 1,784 | ----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 17:30:27 10/04/2016
-- Design Name:
-- Module Name: instruction_memory - Behavioral
-- Project Name:
-- Target Devices:
-- Tool versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
use std.textio.all;
entity instructionMemory is
Port (
--clk : in STD_LOGIC;
address : in STD_LOGIC_VECTOR (31 downto 0);
reset : in STD_LOGIC;
outInstruction : out STD_LOGIC_VECTOR (31 downto 0));
end instructionMemory;
architecture arqInstructionMemory of instructionMemory is
type rom_type is array (0 to 63) of std_logic_vector (31 downto 0);
impure function InitRomFromFile (RomFileName : in string) return rom_type is
FILE RomFile : text open read_mode is RomFileName;
variable RomFileLine : line;
variable temp_bv : bit_vector(31 downto 0);
variable temp_mem : rom_type;
begin
for I in rom_type'range loop
readline (RomFile, RomFileLine);
read(RomFileLine, temp_bv);
temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
signal instructions : rom_type := InitRomFromFile("testJMPL.data");
begin
--reset,address, instructions)
process(reset,address, instructions)--clk)
begin
--if(rising_edge(clk))then
if(reset = '1')then
outInstruction <= (others=>'0');
else
outInstruction <= instructions(conv_integer(address(5 downto 0)));
end if;
--end if;
end process;
end arqInstructionMemory;
| gpl-3.0 | 2554fbd60048744b89ce22c5d2d29671 | 0.618274 | 3.640816 | false | false | false | false |
preusser/q27 | src/vhdl/top/xilinx/sdrc4_queens_uart.vhdl | 1 | 4,176 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-------------------------------------------------------------------------------
-- This file is part of the Queens@TUD solver suite
-- for enumerating and counting the solutions of an N-Queens Puzzle.
--
-- Copyright (C) 2008-2016
-- Thomas B. Preusser <[email protected]>
-------------------------------------------------------------------------------
-- This design is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as published
-- by the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this design. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------------
library IEEE;
use IEEE.std_logic_1164.all;
entity sdrc4_queens_uart is
generic (
N : positive := 27;
L : positive := 2;
SOLVERS : positive := 79;
COUNT_CYCLES : boolean := false;
CLK_FREQ : positive := 16000000;
CLK_MUL : positive := 23;
CLK_DIV : positive := 3;
BAUDRATE : positive := 115200;
SENTINEL : std_logic_vector(7 downto 0) := x"FA" -- Start Byte
);
port (
clkx : in std_logic;
rstx : in std_logic;
rx : in std_logic;
tx : out std_logic;
cts : in std_logic;
rts : out std_logic
);
end sdrc4_queens_uart;
library IEEE;
use IEEE.numeric_std.all;
library UNISIM;
use UNISIM.vcomponents.all;
architecture rtl of sdrc4_queens_uart is
-- Global Control
signal clk : std_logic;
signal rst : std_logic;
begin
-----------------------------------------------------------------------------
-- Generate Global Controls
blkGlobal: block is
signal clk_u : std_logic; -- Unbuffered Synthesized Clock
signal rst_s : std_logic_vector(1 downto 0) := (others => '0');
begin
DCM0 : DCM_BASE
generic map (
CLKIN_PERIOD => 1000000000.0/real(CLK_FREQ),
CLKIN_DIVIDE_BY_2 => FALSE,
PHASE_SHIFT => 0,
CLKFX_MULTIPLY => CLK_MUL,
CLKFX_DIVIDE => CLK_DIV,
CLKOUT_PHASE_SHIFT => "NONE",
CLK_FEEDBACK => "NONE", -- only using clkfx
DLL_FREQUENCY_MODE => "LOW",
DFS_FREQUENCY_MODE => "LOW",
DUTY_CYCLE_CORRECTION => TRUE,
STARTUP_WAIT => TRUE,
DCM_AUTOCALIBRATION => FALSE
)
port map (
CLK0 => open,
CLK180 => open,
CLK270 => open,
CLK2X => open,
CLK2X180 => open,
CLK90 => open,
CLKDV => open,
CLKFX => clk_u,
CLKFX180 => open,
LOCKED => open,
CLKFB => '0',
CLKIN => clkx,
RST => '0'
);
clk_buf : BUFG
port map (
I => clk_u,
O => clk
);
-- Reset Synchronization
process(clk)
begin
if rising_edge(clk) then
rst_s <= (not rstx) & rst_s(rst_s'left downto 1);
end if;
end process;
rst <= rst_s(0);
end block blkGlobal;
----------------------------------------------------------------------------
-- Solver Chain
chain: entity work.queens_uart
generic map (
N => N,
L => L,
SOLVERS => SOLVERS,
COUNT_CYCLES => COUNT_CYCLES,
CLK_FREQ => integer((real(CLK_MUL)*real(CLK_FREQ))/real(CLK_DIV)),
BAUDRATE => BAUDRATE,
SENTINEL => SENTINEL
)
port map (
clk => clk,
rst => rst,
rx => rx,
tx => tx,
avail => open
);
rts <= cts;
end rtl;
| agpl-3.0 | 5088d96406700fd6b2018c7fa78fbb6a | 0.511494 | 4.070175 | false | false | false | false |
wltr/cern-fgclite | critical_fpga/src/rtl/cf/fetch_page.vhd | 1 | 9,258 | -------------------------------------------------------------------------------
--! @file fetch_page.vhd
--! @author Johannes Walter <[email protected]>
--! @copyright CERN TE-EPC-CCE
--! @date 2014-11-19
--! @brief Prepare page for NanoFIP communication.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
library work;
--! @brief Entity declaration of fetch_page
--! @details
--! The paged data of the NanoFIP response needs to be prepared every cycle.
entity fetch_page is
port (
--! @name Clock and resets
--! @{
--! System clock
clk_i : in std_ulogic;
--! Asynchronous active-low reset
rst_asy_n_i : in std_ulogic;
--! Synchronous active-high reset
rst_syn_i : in std_ulogic;
--! @}
--! @name Commands
--! @{
--! Start flag
start_i : in std_ulogic;
--! Done flag
done_o : out std_ulogic;
--! Memory index
idx_i : in std_ulogic_vector(14 downto 0);
--! Memory index type
idx_type_i : in std_ulogic_vector(2 downto 0);
--! @}
--! @name Memory page interface
--! @{
--! Address
page_addr_o : out std_ulogic_vector(5 downto 0);
--! Write enable
page_wr_en_o : out std_ulogic;
--! Data output
page_data_o : out std_ulogic_vector(7 downto 0);
--! Done flag
page_done_i : in std_ulogic;
--! @}
--! @name External SRAM ADC data
--! @{
--! Address
sram_adc_addr_o : out std_ulogic_vector(4 downto 0);
--! Read request
sram_adc_rd_en_o : out std_ulogic;
--! Data input
sram_adc_data_i : in std_ulogic_vector(23 downto 0);
--! Data input enable
sram_adc_data_en_i : in std_ulogic;
--! Done flag
sram_adc_done_o : out std_ulogic;
--! @}
--! @name External SRAM DIM data
--! @{
--! Address
sram_dim_addr_o : out std_ulogic_vector(4 downto 0);
--! Read request
sram_dim_rd_en_o : out std_ulogic;
--! Data input
sram_dim_data_i : in std_ulogic_vector(15 downto 0);
--! Data input enable
sram_dim_data_en_i : in std_ulogic;
--! Done flag
sram_dim_done_o : out std_ulogic;
--! @}
--! @name DIM data
--! @{
--! Address
dim_addr_o : out std_ulogic_vector(6 downto 0);
--! Read enable
dim_rd_en_o : out std_ulogic;
--! Data input
dim_data_i : in std_ulogic_vector(15 downto 0);
--! Data input enable
dim_data_en_i : in std_ulogic;
--! @}
--! @name One-wire data
--! @{
--! Address
ow_addr_o : out std_ulogic_vector(5 downto 0);
--! Read enable
ow_rd_en_o : out std_ulogic;
--! Data input
ow_data_i : in std_ulogic_vector(79 downto 0);
--! Data input enable
ow_data_en_i : in std_ulogic);
--! @}
end entity fetch_page;
--! RTL implementation of fetch_page
architecture rtl of fetch_page is
---------------------------------------------------------------------------
--! @name Types and Constants
---------------------------------------------------------------------------
--! @{
type source_t is (DIM, ONEWIRE, SRAM_ADC, SRAM_DIM);
--! @}
---------------------------------------------------------------------------
--! @name Internal Registers
---------------------------------------------------------------------------
--! @{
signal source : source_t;
signal start_dim : std_ulogic;
signal start_ow : std_ulogic;
signal start_sram_adc : std_ulogic;
signal start_sram_dim : std_ulogic;
--! @}
---------------------------------------------------------------------------
--! @name Internal Wires
---------------------------------------------------------------------------
--! @{
signal sram_adc_addr : std_ulogic_vector(5 downto 0);
signal sram_adc_wr_en : std_ulogic;
signal sram_adc_data : std_ulogic_vector(7 downto 0);
signal sram_adc_done : std_ulogic;
signal sram_dim_addr : std_ulogic_vector(5 downto 0);
signal sram_dim_wr_en : std_ulogic;
signal sram_dim_data : std_ulogic_vector(7 downto 0);
signal sram_dim_done : std_ulogic;
signal dim_addr : std_ulogic_vector(5 downto 0);
signal dim_wr_en : std_ulogic;
signal dim_data : std_ulogic_vector(7 downto 0);
signal dim_done : std_ulogic;
signal ow_addr : std_ulogic_vector(5 downto 0);
signal ow_wr_en : std_ulogic;
signal ow_data : std_ulogic_vector(7 downto 0);
signal ow_done : std_ulogic;
--! @}
begin -- architecture rtl
---------------------------------------------------------------------------
-- Outputs
---------------------------------------------------------------------------
with source select page_addr_o <=
sram_adc_addr when SRAM_ADC,
sram_dim_addr when SRAM_DIM,
dim_addr when DIM,
ow_addr when ONEWIRE,
(others => '0') when others;
with source select page_wr_en_o <=
sram_adc_wr_en when SRAM_ADC,
sram_dim_wr_en when SRAM_DIM,
dim_wr_en when DIM,
ow_wr_en when ONEWIRE,
'0' when others;
with source select page_data_o <=
sram_adc_data when SRAM_ADC,
sram_dim_data when SRAM_DIM,
dim_data when DIM,
ow_data when ONEWIRE,
(others => '0') when others;
with source select done_o <=
sram_adc_done when SRAM_ADC,
sram_dim_done when SRAM_DIM,
dim_done when DIM,
ow_done when ONEWIRE,
'0' when others;
sram_adc_done_o <= sram_adc_done;
sram_dim_done_o <= sram_dim_done;
---------------------------------------------------------------------------
-- Instances
---------------------------------------------------------------------------
fetch_dim_inst : entity work.fetch_page_dim
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
start_i => start_dim,
done_o => dim_done,
idx_i => idx_i,
page_addr_o => dim_addr,
page_wr_en_o => dim_wr_en,
page_data_o => dim_data,
page_done_i => page_done_i,
dim_addr_o => dim_addr_o,
dim_rd_en_o => dim_rd_en_o,
dim_data_i => dim_data_i,
dim_data_en_i => dim_data_en_i);
fetch_ow_inst : entity work.fetch_page_ow
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
start_i => start_ow,
done_o => ow_done,
idx_i => idx_i,
page_addr_o => ow_addr,
page_wr_en_o => ow_wr_en,
page_data_o => ow_data,
page_done_i => page_done_i,
ow_addr_o => ow_addr_o,
ow_rd_en_o => ow_rd_en_o,
ow_data_i => ow_data_i,
ow_data_en_i => ow_data_en_i);
fetch_sram_adc_inst : entity work.fetch_page_sram_adc
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
start_i => start_sram_adc,
done_o => sram_adc_done,
page_addr_o => sram_adc_addr,
page_wr_en_o => sram_adc_wr_en,
page_data_o => sram_adc_data,
page_done_i => page_done_i,
sram_addr_o => sram_adc_addr_o,
sram_rd_en_o => sram_adc_rd_en_o,
sram_data_i => sram_adc_data_i,
sram_data_en_i => sram_adc_data_en_i);
fetch_sram_dim_inst : entity work.fetch_page_sram_dim
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
start_i => start_sram_dim,
done_o => sram_dim_done,
page_addr_o => sram_dim_addr,
page_wr_en_o => sram_dim_wr_en,
page_data_o => sram_dim_data,
page_done_i => page_done_i,
sram_addr_o => sram_dim_addr_o,
sram_rd_en_o => sram_dim_rd_en_o,
sram_data_i => sram_dim_data_i,
sram_data_en_i => sram_dim_data_en_i);
---------------------------------------------------------------------------
-- Registers
---------------------------------------------------------------------------
regs : process (clk_i, rst_asy_n_i) is
procedure reset is
begin
source <= DIM;
start_dim <= '0';
start_ow <= '0';
start_sram_adc <= '0';
start_sram_dim <= '0';
end procedure reset;
begin -- process regs
if rst_asy_n_i = '0' then
reset;
elsif rising_edge(clk_i) then
if rst_syn_i = '1' then
reset;
else
start_dim <= '0';
start_ow <= '0';
start_sram_adc <= '0';
start_sram_dim <= '0';
if start_i = '1' then
if idx_type_i = "000" then
source <= DIM;
start_dim <= '1';
elsif idx_type_i = "001" then
source <= ONEWIRE;
start_ow <= '1';
elsif idx_type_i = "101" then
source <= SRAM_DIM;
start_sram_dim <= '1';
else
source <= SRAM_ADC;
start_sram_adc <= '1';
end if;
end if;
end if;
end if;
end process regs;
end architecture rtl;
| mit | 75a238bf3d8c4f62b28748f4c504db2f | 0.469432 | 3.455767 | false | false | false | false |
jpidancet/mips | tests/cpu_tb.vhd | 1 | 3,189 | library ieee;
use ieee.std_logic_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.ALL;
entity cpu_tb is
generic (FIRMWARE : string);
end entity cpu_tb;
architecture behav of cpu_tb is
component cpu is
port (clk : in std_logic;
rst : in std_logic;
mem_halt : in std_logic;
pc : out std_logic_vector(31 downto 0);
instr : in std_logic_vector(31 downto 0);
data_addr : out std_logic_vector(31 downto 0);
data_read : out std_logic;
data_in : in std_logic_vector(31 downto 0);
data_write : out std_logic;
data_out : out std_logic_vector(31 downto 0));
end component cpu;
component rom is
generic (FILENAME : string;
DATA_WIDTH : integer;
ADDR_WIDTH : integer);
port (addr : in std_logic_vector(ADDR_WIDTH-1 downto 0);
data : out std_logic_vector(DATA_WIDTH-1 downto 0));
end component rom;
signal clk : std_logic;
signal rst : std_logic := '1';
signal mem_halt : std_logic;
signal pc : std_logic_vector(31 downto 0);
signal instr : std_logic_vector(31 downto 0);
signal data_addr : std_logic_vector(31 downto 0);
signal data_read : std_logic;
signal data_in : std_logic_vector(31 downto 0);
signal data_write : std_logic;
signal data_out : std_logic_vector(31 downto 0);
constant RAM_DEPTH : integer := 1024;
type ram_type is array (0 to RAM_DEPTH - 1) of std_logic_vector(31 downto 0);
signal ram : ram_type;
begin
cpu0 : cpu
port map (clk => clk,
rst => rst,
mem_halt => mem_halt,
pc => pc,
instr => instr,
data_addr => data_addr,
data_read => data_read,
data_in => data_in,
data_write => data_write,
data_out => data_out);
rom0: rom
generic map (FILENAME => FIRMWARE,
DATA_WIDTH => 32,
ADDR_WIDTH => 10)
port map (addr => pc(11 downto 2), data => instr);
data_in <= ram(to_integer(unsigned(data_addr(11 downto 2)))) when data_read = '1' else
(others => '-');
process
procedure clock(cycles: in integer) is
begin
for i in 0 to cycles-1 loop
clk <= '0';
wait for 10 ns;
clk <= '1';
wait for 10 ns;
end loop;
end procedure clock;
begin
-- reset
mem_halt <= '0';
rst <= '1';
clk <= '0';
wait for 10 ns;
rst <= '0';
clock(1000);
wait;
end process;
process (clk, rst)
begin
if rst = '1' then
ram <= (others => (others => '1'));
elsif rising_edge(clk) then
if data_write = '1' then
ram(to_integer(unsigned(data_addr(11 downto 2)))) <= data_out;
end if;
end if;
end process;
end architecture behav;
| isc | 74e344c3f1e19ce4b02d4f623ecb664a | 0.498902 | 3.889024 | false | false | false | false |
jpidancet/mips | rtl/cpu.vhd | 1 | 18,402 | library ieee;
use ieee.std_logic_1164.ALL;
use ieee.std_logic_unsigned.all;
use ieee.numeric_std.ALL;
library work;
use work.mips_defs.ALL;
entity cpu is
port (clk : in std_logic;
rst : in std_logic;
mem_halt : in std_logic;
pc : out std_logic_vector(31 downto 0);
instr : in std_logic_vector(31 downto 0);
data_addr : out std_logic_vector(31 downto 0);
data_read : out std_logic;
data_in : in std_logic_vector(31 downto 0);
data_write : out std_logic;
data_out : out std_logic_vector(31 downto 0));
end entity cpu;
architecture rtl of cpu is
component register_file is
port (clk : in std_logic;
rst : in std_logic;
a1 : in std_logic_vector(4 downto 0);
a2 : in std_logic_vector(4 downto 0);
a3 : in std_logic_vector(4 downto 0);
wd3 : in std_logic_vector(31 downto 0);
we3 : in std_logic;
rd1 : out std_logic_vector(31 downto 0);
rd2 : out std_logic_vector(31 downto 0));
end component register_file;
component cpu_fetch is
port (pc : in std_logic_vector(31 downto 0);
pcbranch : in std_logic_vector(31 downto 0);
pcsrc : in std_logic;
instr_n : out std_logic_vector(31 downto 0);
pcplus4_n : out std_logic_vector(31 downto 0);
pc_n : out std_logic_vector(31 downto 0);
imem_addr : out std_logic_vector(31 downto 0);
imem_data : in std_logic_vector(31 downto 0));
end component cpu_fetch;
component cpu_decode is
port (instr : in std_logic_vector(31 downto 0);
pcplus4 : in std_logic_vector(31 downto 0);
rs_n : out std_logic_vector(4 downto 0);
rt_n : out std_logic_vector(4 downto 0);
rd_n : out std_logic_vector(4 downto 0);
shamt_n : out std_logic_vector(4 downto 0);
imm_n : out std_logic_vector(31 downto 0);
alusrc_n : out std_logic;
regdst_n : out std_logic;
alucontrol_n : out alucontrol_type;
ovf_en_n : out std_logic;
regwrite_n : out std_logic;
memtoreg_n : out std_logic;
memread_n : out std_logic;
memwrite_n : out std_logic;
rd1_n : out std_logic_vector(31 downto 0);
rd2_n : out std_logic_vector(31 downto 0);
pcsrc_n : out std_logic;
branch_n : out std_logic;
pcbranch_n : out std_logic_vector(31 downto 0);
-- Forward
forward_a : in std_logic;
forward_b : in std_logic;
aluout_fwd : in std_logic_vector(31 downto 0);
-- Register file
reg_a1 : out std_logic_vector(4 downto 0);
reg_a2 : out std_logic_vector(4 downto 0);
reg_rd1 : in std_logic_vector(31 downto 0);
reg_rd2 : in std_logic_vector(31 downto 0));
end component cpu_decode;
component cpu_execute is
port (rt : in std_logic_vector(4 downto 0);
rd : in std_logic_vector(4 downto 0);
shamt : in std_logic_vector(4 downto 0);
imm : in std_logic_vector(31 downto 0);
alusrc : in std_logic;
regdst : in std_logic;
alucontrol : in alucontrol_type;
ovf_en : in std_logic;
rd1 : in std_logic_vector(31 downto 0);
rd2 : in std_logic_vector(31 downto 0);
regwrite : in std_logic;
memtoreg : in std_logic;
memread : in std_logic;
memwrite : in std_logic;
regwrite_n : out std_logic;
memtoreg_n : out std_logic;
memread_n : out std_logic;
memwrite_n : out std_logic;
aluout_n : out std_logic_vector(31 downto 0);
writedata_n : out std_logic_vector(31 downto 0);
writereg_n : out std_logic_vector(4 downto 0);
-- Forward
forward_a : in std_logic_vector(1 downto 0);
forward_b : in std_logic_vector(1 downto 0);
aluout_fwd : in std_logic_vector(31 downto 0);
result_fwd : in std_logic_vector(31 downto 0));
end component cpu_execute;
component cpu_memory is
port (regwrite : in std_logic;
memtoreg : in std_logic;
memread : in std_logic;
memwrite : in std_logic;
aluout : in std_logic_vector(31 downto 0);
writedata : in std_logic_vector(31 downto 0);
writereg : in std_logic_vector(4 downto 0);
regwrite_n : out std_logic;
memtoreg_n : out std_logic;
aluout_n : out std_logic_vector(31 downto 0);
readdata_n : out std_logic_vector(31 downto 0);
writereg_n : out std_logic_vector(4 downto 0);
data_addr : out std_logic_vector(31 downto 0);
data_read : out std_logic;
data_in : in std_logic_vector(31 downto 0);
data_write : out std_logic;
data_out : out std_logic_vector(31 downto 0));
end component cpu_memory;
component cpu_writeback is
port (regwrite : in std_logic;
memtoreg : in std_logic;
aluout : in std_logic_vector(31 downto 0);
readdata : in std_logic_vector(31 downto 0);
writereg : in std_logic_vector(4 downto 0);
writereg_n : out std_logic_vector(4 downto 0);
result_n : out std_logic_vector(31 downto 0);
regwrite_n : out std_logic);
end component cpu_writeback;
component hazard is
port (branch_d : in std_logic;
rs_d : in std_logic_vector(4 downto 0);
rt_d : in std_logic_vector(4 downto 0);
rs_e : in std_logic_vector(4 downto 0);
rt_e : in std_logic_vector(4 downto 0);
writereg_e : in std_logic_vector(4 downto 0);
memtoreg_e : in std_logic;
regwrite_e : in std_logic;
writereg_m : in std_logic_vector(4 downto 0);
memtoreg_m : in std_logic;
regwrite_m : in std_logic;
writereg_w : in std_logic_vector(4 downto 0);
regwrite_w : in std_logic;
forward_ad : out std_logic;
forward_bd : out std_logic;
forward_ae : out std_logic_vector(1 downto 0);
forward_be : out std_logic_vector(1 downto 0);
stall : out std_logic);
end component hazard;
type fetch_state is record
pc : std_logic_vector(31 downto 0);
end record;
constant fetch_reset : fetch_state := (pc => (others => '0'));
signal fetch_reg, fetch_next : fetch_state;
type decode_state is record
instr : std_logic_vector(31 downto 0);
pcplus4 : std_logic_vector(31 downto 0);
end record;
constant decode_reset : decode_state := (instr => (others => '0'),
pcplus4 => (others => '0'));
signal decode_reg, decode_next : decode_state;
type execute_state is record
rs : std_logic_vector(4 downto 0);
rt : std_logic_vector(4 downto 0);
rd : std_logic_vector(4 downto 0);
shamt : std_logic_vector(4 downto 0);
imm : std_logic_vector(31 downto 0);
alusrc : std_logic;
regdst : std_logic;
alucontrol : alucontrol_type;
ovf_en : std_logic;
regwrite : std_logic;
memtoreg : std_logic;
memread : std_logic;
memwrite : std_logic;
rd1 : std_logic_vector(31 downto 0);
rd2 : std_logic_vector(31 downto 0);
end record;
constant execute_reset : execute_state := (rs => "00000",
rt => "00000",
rd => "00000",
shamt => "00000",
imm => (others => '0'),
alusrc => '0',
regdst => '0',
alucontrol => ALU_SLL,
ovf_en => '0',
regwrite => '0',
memtoreg => '0',
memread => '0',
memwrite => '0',
rd1 => (others => '0'),
rd2 => (others => '0'));
signal execute_reg, execute_next : execute_state;
type memory_state is record
regwrite : std_logic;
memtoreg : std_logic;
memread : std_logic;
memwrite : std_logic;
aluout : std_logic_vector(31 downto 0);
writedata : std_logic_vector(31 downto 0);
writereg : std_logic_vector(4 downto 0);
end record;
constant memory_reset : memory_state := (regwrite => '0',
memtoreg => '0',
memread => '0',
memwrite => '0',
aluout => (others => '0'),
writedata => (others => '0'),
writereg => "00000");
signal memory_reg, memory_next : memory_state;
type writeback_state is record
regwrite : std_logic;
memtoreg : std_logic;
aluout : std_logic_vector(31 downto 0);
readdata : std_logic_vector(31 downto 0);
writereg : std_logic_vector(4 downto 0);
end record;
constant writeback_reset : writeback_state := (regwrite => '0',
memtoreg => '0',
aluout => (others => '0'),
readdata => (others => '0'),
writereg => "00000");
signal writeback_reg, writeback_next : writeback_state;
signal halt : std_logic;
-- register file
signal rs : std_logic_vector(4 downto 0);
signal rt : std_logic_vector(4 downto 0);
signal writereg : std_logic_vector(4 downto 0);
signal result : std_logic_vector(31 downto 0);
signal regwrite : std_logic;
signal reg_rd1 : std_logic_vector(31 downto 0);
signal reg_rd2 : std_logic_vector(31 downto 0);
-- Jump / Branch
signal pcbranch : std_logic_vector(31 downto 0);
signal pcsrc : std_logic;
signal branch : std_logic;
-- Bypass / Forward
signal decode_forward_a, decode_forward_b : std_logic;
signal execute_forward_a, execute_forward_b : std_logic_vector(1 downto 0);
-- Pipeline stall
signal stall : std_logic;
begin
halt <= mem_halt;
reg_file0: register_file
port map (clk => clk,
rst => rst,
a1 => rs,
a2 => rt,
a3 => writereg,
wd3 => result,
we3 => regwrite,
rd1 => reg_rd1,
rd2 => reg_rd2);
fetch0: cpu_fetch
port map (pc => fetch_reg.pc,
pcbranch => pcbranch,
pcsrc => pcsrc,
instr_n => decode_next.instr,
pcplus4_n => decode_next.pcplus4,
pc_n => fetch_next.pc,
imem_addr => pc,
imem_data => instr);
decode0: cpu_decode
port map (instr => decode_reg.instr,
pcplus4 => decode_reg.pcplus4,
rs_n => execute_next.rs,
rt_n => execute_next.rt,
rd_n => execute_next.rd,
shamt_n => execute_next.shamt,
imm_n => execute_next.imm,
alusrc_n => execute_next.alusrc,
regdst_n => execute_next.regdst,
alucontrol_n => execute_next.alucontrol,
ovf_en_n => execute_next.ovf_en,
regwrite_n => execute_next.regwrite,
memtoreg_n => execute_next.memtoreg,
memread_n => execute_next.memread,
memwrite_n => execute_next.memwrite,
rd1_n => execute_next.rd1,
rd2_n => execute_next.rd2,
pcsrc_n => pcsrc,
branch_n => branch,
pcbranch_n => pcbranch,
forward_a => decode_forward_a,
forward_b => decode_forward_b,
aluout_fwd => memory_reg.aluout,
reg_a1 => rs,
reg_a2 => rt,
reg_rd1 => reg_rd1,
reg_rd2 => reg_rd2);
execute0: cpu_execute
port map (rt => execute_reg.rt,
rd => execute_reg.rd,
shamt => execute_reg.shamt,
imm => execute_reg.imm,
alusrc => execute_reg.alusrc,
regdst => execute_reg.regdst,
alucontrol => execute_reg.alucontrol,
ovf_en => execute_reg.ovf_en,
rd1 => execute_reg.rd1,
rd2 => execute_reg.rd2,
regwrite => execute_reg.regwrite,
memtoreg => execute_reg.memtoreg,
memread => execute_reg.memread,
memwrite => execute_reg.memwrite,
regwrite_n => memory_next.regwrite,
memtoreg_n => memory_next.memtoreg,
memread_n => memory_next.memread,
memwrite_n => memory_next.memwrite,
aluout_n => memory_next.aluout,
writedata_n => memory_next.writedata,
writereg_n => memory_next.writereg,
forward_a => execute_forward_a,
forward_b => execute_forward_b,
aluout_fwd => memory_reg.aluout,
result_fwd => result);
memory0 : cpu_memory
port map (regwrite => memory_reg.regwrite,
memtoreg => memory_reg.memtoreg,
memread => memory_reg.memread,
memwrite => memory_reg.memwrite,
aluout => memory_reg.aluout,
writedata => memory_reg.writedata,
writereg => memory_reg.writereg,
regwrite_n => writeback_next.regwrite,
memtoreg_n => writeback_next.memtoreg,
aluout_n => writeback_next.aluout,
readdata_n => writeback_next.readdata,
writereg_n => writeback_next.writereg,
data_addr => data_addr,
data_read => data_read,
data_in => data_in,
data_write => data_write,
data_out => data_out);
writeback0 : cpu_writeback
port map (regwrite => writeback_reg.regwrite,
memtoreg => writeback_reg.memtoreg,
aluout => writeback_reg.aluout,
readdata => writeback_reg.readdata,
writereg => writeback_reg.writereg,
writereg_n => writereg,
result_n => result,
regwrite_n => regwrite);
hazard0 : hazard
port map (branch_d => branch,
rs_d => rs,
rt_d => rt,
rs_e => execute_reg.rs,
rt_e => execute_reg.rt,
writereg_e => memory_next.writereg,
memtoreg_e => execute_reg.memtoreg,
regwrite_e => execute_reg.regwrite,
writereg_m => memory_reg.writereg,
memtoreg_m => memory_reg.memtoreg,
regwrite_m => memory_reg.regwrite,
writereg_w => writeback_reg.writereg,
regwrite_w => writeback_reg.regwrite,
forward_ad => decode_forward_a,
forward_bd => decode_forward_b,
forward_ae => execute_forward_a,
forward_be => execute_forward_b,
stall => stall);
process (clk, rst)
begin
if rst = '1' then
fetch_reg <= fetch_reset;
decode_reg <= decode_reset;
execute_reg <= execute_reset;
memory_reg <= memory_reset;
writeback_reg <= writeback_reset;
elsif rising_edge(clk) then
if halt = '0' then
if stall = '1' then
execute_reg <= execute_reset;
memory_reg <= memory_next;
writeback_reg <= writeback_next;
else
fetch_reg <= fetch_next;
decode_reg <= decode_next;
execute_reg <= execute_next;
memory_reg <= memory_next;
writeback_reg <= writeback_next;
end if;
end if;
end if;
end process;
end architecture rtl;
| isc | 72cfe58195f85b23e292810aa2785fba | 0.45457 | 4.353442 | false | false | false | false |
dtysky/LD3320_AXI | src/VOICE_ROM_INIT/blk_mem_gen_v8_2/hdl/blk_mem_gen_v8_2_defaults.vhd | 2 | 32,589 | `protect begin_protected
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`protect end_protected
| mit | 7742bcbcf0f7803cd1925b5941f34166 | 0.947344 | 1.848707 | false | false | false | false |
dtysky/LD3320_AXI | src/LIST/synth/LIST.vhd | 1 | 13,748 | -- (c) Copyright 1995-2014 Xilinx, Inc. All rights reserved.
--
-- This file contains confidential and proprietary information
-- of Xilinx, Inc. and is protected under U.S. and
-- international copyright and other intellectual property
-- laws.
--
-- DISCLAIMER
-- This disclaimer is not a license and does not grant any
-- rights to the materials distributed herewith. Except as
-- otherwise provided in a valid license issued to you by
-- Xilinx, and to the maximum extent permitted by applicable
-- law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND
-- WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES
-- AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING
-- BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NON-
-- INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and
-- (2) Xilinx shall not be liable (whether in contract or tort,
-- including negligence, or under any other theory of
-- liability) for any loss or damage of any kind or nature
-- related to, arising under or in connection with these
-- materials, including for any direct, or any indirect,
-- special, incidental, or consequential loss or damage
-- (including loss of data, profits, goodwill, or any type of
-- loss or damage suffered as a result of any action brought
-- by a third party) even if such damage or loss was
-- reasonably foreseeable or Xilinx had been advised of the
-- possibility of the same.
--
-- CRITICAL APPLICATIONS
-- Xilinx products are not designed or intended to be fail-
-- safe, or for use in any application requiring fail-safe
-- performance, such as life-support or safety devices or
-- systems, Class III medical devices, nuclear facilities,
-- applications related to the deployment of airbags, or any
-- other applications that could lead to death, personal
-- injury, or severe property or environmental damage
-- (individually and collectively, "Critical
-- Applications"). Customer assumes the sole risk and
-- liability of any use of Xilinx products in Critical
-- Applications, subject only to applicable laws and
-- regulations governing limitations on product liability.
--
-- THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS
-- PART OF THIS FILE AT ALL TIMES.
--
-- DO NOT MODIFY THIS FILE.
-- IP VLNV: xilinx.com:ip:blk_mem_gen:8.2
-- IP Revision: 1
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
LIBRARY blk_mem_gen_v8_2;
USE blk_mem_gen_v8_2.blk_mem_gen_v8_2;
ENTITY LIST IS
PORT (
clka : IN STD_LOGIC;
wea : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
addra : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
dina : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
clkb : IN STD_LOGIC;
addrb : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
doutb : OUT STD_LOGIC_VECTOR(7 DOWNTO 0)
);
END LIST;
ARCHITECTURE LIST_arch OF LIST IS
ATTRIBUTE DowngradeIPIdentifiedWarnings : string;
ATTRIBUTE DowngradeIPIdentifiedWarnings OF LIST_arch: ARCHITECTURE IS "yes";
COMPONENT blk_mem_gen_v8_2 IS
GENERIC (
C_FAMILY : STRING;
C_XDEVICEFAMILY : STRING;
C_ELABORATION_DIR : STRING;
C_INTERFACE_TYPE : INTEGER;
C_AXI_TYPE : INTEGER;
C_AXI_SLAVE_TYPE : INTEGER;
C_USE_BRAM_BLOCK : INTEGER;
C_ENABLE_32BIT_ADDRESS : INTEGER;
C_CTRL_ECC_ALGO : STRING;
C_HAS_AXI_ID : INTEGER;
C_AXI_ID_WIDTH : INTEGER;
C_MEM_TYPE : INTEGER;
C_BYTE_SIZE : INTEGER;
C_ALGORITHM : INTEGER;
C_PRIM_TYPE : INTEGER;
C_LOAD_INIT_FILE : INTEGER;
C_INIT_FILE_NAME : STRING;
C_INIT_FILE : STRING;
C_USE_DEFAULT_DATA : INTEGER;
C_DEFAULT_DATA : STRING;
C_HAS_RSTA : INTEGER;
C_RST_PRIORITY_A : STRING;
C_RSTRAM_A : INTEGER;
C_INITA_VAL : STRING;
C_HAS_ENA : INTEGER;
C_HAS_REGCEA : INTEGER;
C_USE_BYTE_WEA : INTEGER;
C_WEA_WIDTH : INTEGER;
C_WRITE_MODE_A : STRING;
C_WRITE_WIDTH_A : INTEGER;
C_READ_WIDTH_A : INTEGER;
C_WRITE_DEPTH_A : INTEGER;
C_READ_DEPTH_A : INTEGER;
C_ADDRA_WIDTH : INTEGER;
C_HAS_RSTB : INTEGER;
C_RST_PRIORITY_B : STRING;
C_RSTRAM_B : INTEGER;
C_INITB_VAL : STRING;
C_HAS_ENB : INTEGER;
C_HAS_REGCEB : INTEGER;
C_USE_BYTE_WEB : INTEGER;
C_WEB_WIDTH : INTEGER;
C_WRITE_MODE_B : STRING;
C_WRITE_WIDTH_B : INTEGER;
C_READ_WIDTH_B : INTEGER;
C_WRITE_DEPTH_B : INTEGER;
C_READ_DEPTH_B : INTEGER;
C_ADDRB_WIDTH : INTEGER;
C_HAS_MEM_OUTPUT_REGS_A : INTEGER;
C_HAS_MEM_OUTPUT_REGS_B : INTEGER;
C_HAS_MUX_OUTPUT_REGS_A : INTEGER;
C_HAS_MUX_OUTPUT_REGS_B : INTEGER;
C_MUX_PIPELINE_STAGES : INTEGER;
C_HAS_SOFTECC_INPUT_REGS_A : INTEGER;
C_HAS_SOFTECC_OUTPUT_REGS_B : INTEGER;
C_USE_SOFTECC : INTEGER;
C_USE_ECC : INTEGER;
C_EN_ECC_PIPE : INTEGER;
C_HAS_INJECTERR : INTEGER;
C_SIM_COLLISION_CHECK : STRING;
C_COMMON_CLK : INTEGER;
C_DISABLE_WARN_BHV_COLL : INTEGER;
C_EN_SLEEP_PIN : INTEGER;
C_DISABLE_WARN_BHV_RANGE : INTEGER;
C_COUNT_36K_BRAM : STRING;
C_COUNT_18K_BRAM : STRING;
C_EST_POWER_SUMMARY : STRING
);
PORT (
clka : IN STD_LOGIC;
rsta : IN STD_LOGIC;
ena : IN STD_LOGIC;
regcea : IN STD_LOGIC;
wea : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
addra : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
dina : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
douta : OUT STD_LOGIC_VECTOR(7 DOWNTO 0);
clkb : IN STD_LOGIC;
rstb : IN STD_LOGIC;
enb : IN STD_LOGIC;
regceb : IN STD_LOGIC;
web : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
addrb : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
dinb : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
doutb : OUT STD_LOGIC_VECTOR(7 DOWNTO 0);
injectsbiterr : IN STD_LOGIC;
injectdbiterr : IN STD_LOGIC;
eccpipece : IN STD_LOGIC;
sbiterr : OUT STD_LOGIC;
dbiterr : OUT STD_LOGIC;
rdaddrecc : OUT STD_LOGIC_VECTOR(7 DOWNTO 0);
sleep : IN STD_LOGIC;
s_aclk : IN STD_LOGIC;
s_aresetn : IN STD_LOGIC;
s_axi_awid : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_awaddr : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axi_awlen : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axi_awsize : IN STD_LOGIC_VECTOR(2 DOWNTO 0);
s_axi_awburst : IN STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_awvalid : IN STD_LOGIC;
s_axi_awready : OUT STD_LOGIC;
s_axi_wdata : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axi_wstrb : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axi_wlast : IN STD_LOGIC;
s_axi_wvalid : IN STD_LOGIC;
s_axi_wready : OUT STD_LOGIC;
s_axi_bid : OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_bresp : OUT STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_bvalid : OUT STD_LOGIC;
s_axi_bready : IN STD_LOGIC;
s_axi_arid : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_araddr : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axi_arlen : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axi_arsize : IN STD_LOGIC_VECTOR(2 DOWNTO 0);
s_axi_arburst : IN STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_arvalid : IN STD_LOGIC;
s_axi_arready : OUT STD_LOGIC;
s_axi_rid : OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_rdata : OUT STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axi_rresp : OUT STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_rlast : OUT STD_LOGIC;
s_axi_rvalid : OUT STD_LOGIC;
s_axi_rready : IN STD_LOGIC;
s_axi_injectsbiterr : IN STD_LOGIC;
s_axi_injectdbiterr : IN STD_LOGIC;
s_axi_sbiterr : OUT STD_LOGIC;
s_axi_dbiterr : OUT STD_LOGIC;
s_axi_rdaddrecc : OUT STD_LOGIC_VECTOR(7 DOWNTO 0)
);
END COMPONENT blk_mem_gen_v8_2;
ATTRIBUTE X_CORE_INFO : STRING;
ATTRIBUTE X_CORE_INFO OF LIST_arch: ARCHITECTURE IS "blk_mem_gen_v8_2,Vivado 2014.2";
ATTRIBUTE CHECK_LICENSE_TYPE : STRING;
ATTRIBUTE CHECK_LICENSE_TYPE OF LIST_arch : ARCHITECTURE IS "LIST,blk_mem_gen_v8_2,{}";
ATTRIBUTE CORE_GENERATION_INFO : STRING;
ATTRIBUTE CORE_GENERATION_INFO OF LIST_arch: ARCHITECTURE IS "LIST,blk_mem_gen_v8_2,{x_ipProduct=Vivado 2014.2,x_ipVendor=xilinx.com,x_ipLibrary=ip,x_ipName=blk_mem_gen,x_ipVersion=8.2,x_ipCoreRevision=1,x_ipLanguage=VERILOG,C_FAMILY=zynq,C_XDEVICEFAMILY=zynq,C_ELABORATION_DIR=./,C_INTERFACE_TYPE=0,C_AXI_TYPE=1,C_AXI_SLAVE_TYPE=0,C_USE_BRAM_BLOCK=0,C_ENABLE_32BIT_ADDRESS=0,C_CTRL_ECC_ALGO=NONE,C_HAS_AXI_ID=0,C_AXI_ID_WIDTH=4,C_MEM_TYPE=1,C_BYTE_SIZE=9,C_ALGORITHM=1,C_PRIM_TYPE=1,C_LOAD_INIT_FILE=0,C_INIT_FILE_NAME=no_coe_file_loaded,C_INIT_FILE=LIST.mem,C_USE_DEFAULT_DATA=0,C_DEFAULT_DATA=0,C_HAS_RSTA=0,C_RST_PRIORITY_A=CE,C_RSTRAM_A=0,C_INITA_VAL=0,C_HAS_ENA=0,C_HAS_REGCEA=0,C_USE_BYTE_WEA=0,C_WEA_WIDTH=1,C_WRITE_MODE_A=WRITE_FIRST,C_WRITE_WIDTH_A=8,C_READ_WIDTH_A=8,C_WRITE_DEPTH_A=256,C_READ_DEPTH_A=256,C_ADDRA_WIDTH=8,C_HAS_RSTB=0,C_RST_PRIORITY_B=CE,C_RSTRAM_B=0,C_INITB_VAL=0,C_HAS_ENB=0,C_HAS_REGCEB=0,C_USE_BYTE_WEB=0,C_WEB_WIDTH=1,C_WRITE_MODE_B=WRITE_FIRST,C_WRITE_WIDTH_B=8,C_READ_WIDTH_B=8,C_WRITE_DEPTH_B=256,C_READ_DEPTH_B=256,C_ADDRB_WIDTH=8,C_HAS_MEM_OUTPUT_REGS_A=0,C_HAS_MEM_OUTPUT_REGS_B=0,C_HAS_MUX_OUTPUT_REGS_A=0,C_HAS_MUX_OUTPUT_REGS_B=0,C_MUX_PIPELINE_STAGES=0,C_HAS_SOFTECC_INPUT_REGS_A=0,C_HAS_SOFTECC_OUTPUT_REGS_B=0,C_USE_SOFTECC=0,C_USE_ECC=0,C_EN_ECC_PIPE=0,C_HAS_INJECTERR=0,C_SIM_COLLISION_CHECK=ALL,C_COMMON_CLK=0,C_DISABLE_WARN_BHV_COLL=0,C_EN_SLEEP_PIN=0,C_DISABLE_WARN_BHV_RANGE=0,C_COUNT_36K_BRAM=0,C_COUNT_18K_BRAM=1,C_EST_POWER_SUMMARY=Estimated Power for IP _ 2.68455 mW}";
ATTRIBUTE X_INTERFACE_INFO : STRING;
ATTRIBUTE X_INTERFACE_INFO OF clka: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA CLK";
ATTRIBUTE X_INTERFACE_INFO OF wea: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA WE";
ATTRIBUTE X_INTERFACE_INFO OF addra: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA ADDR";
ATTRIBUTE X_INTERFACE_INFO OF dina: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA DIN";
ATTRIBUTE X_INTERFACE_INFO OF clkb: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTB CLK";
ATTRIBUTE X_INTERFACE_INFO OF addrb: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTB ADDR";
ATTRIBUTE X_INTERFACE_INFO OF doutb: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTB DOUT";
BEGIN
U0 : blk_mem_gen_v8_2
GENERIC MAP (
C_FAMILY => "zynq",
C_XDEVICEFAMILY => "zynq",
C_ELABORATION_DIR => "./",
C_INTERFACE_TYPE => 0,
C_AXI_TYPE => 1,
C_AXI_SLAVE_TYPE => 0,
C_USE_BRAM_BLOCK => 0,
C_ENABLE_32BIT_ADDRESS => 0,
C_CTRL_ECC_ALGO => "NONE",
C_HAS_AXI_ID => 0,
C_AXI_ID_WIDTH => 4,
C_MEM_TYPE => 1,
C_BYTE_SIZE => 9,
C_ALGORITHM => 1,
C_PRIM_TYPE => 1,
C_LOAD_INIT_FILE => 0,
C_INIT_FILE_NAME => "no_coe_file_loaded",
C_INIT_FILE => "LIST.mem",
C_USE_DEFAULT_DATA => 0,
C_DEFAULT_DATA => "0",
C_HAS_RSTA => 0,
C_RST_PRIORITY_A => "CE",
C_RSTRAM_A => 0,
C_INITA_VAL => "0",
C_HAS_ENA => 0,
C_HAS_REGCEA => 0,
C_USE_BYTE_WEA => 0,
C_WEA_WIDTH => 1,
C_WRITE_MODE_A => "WRITE_FIRST",
C_WRITE_WIDTH_A => 8,
C_READ_WIDTH_A => 8,
C_WRITE_DEPTH_A => 256,
C_READ_DEPTH_A => 256,
C_ADDRA_WIDTH => 8,
C_HAS_RSTB => 0,
C_RST_PRIORITY_B => "CE",
C_RSTRAM_B => 0,
C_INITB_VAL => "0",
C_HAS_ENB => 0,
C_HAS_REGCEB => 0,
C_USE_BYTE_WEB => 0,
C_WEB_WIDTH => 1,
C_WRITE_MODE_B => "WRITE_FIRST",
C_WRITE_WIDTH_B => 8,
C_READ_WIDTH_B => 8,
C_WRITE_DEPTH_B => 256,
C_READ_DEPTH_B => 256,
C_ADDRB_WIDTH => 8,
C_HAS_MEM_OUTPUT_REGS_A => 0,
C_HAS_MEM_OUTPUT_REGS_B => 0,
C_HAS_MUX_OUTPUT_REGS_A => 0,
C_HAS_MUX_OUTPUT_REGS_B => 0,
C_MUX_PIPELINE_STAGES => 0,
C_HAS_SOFTECC_INPUT_REGS_A => 0,
C_HAS_SOFTECC_OUTPUT_REGS_B => 0,
C_USE_SOFTECC => 0,
C_USE_ECC => 0,
C_EN_ECC_PIPE => 0,
C_HAS_INJECTERR => 0,
C_SIM_COLLISION_CHECK => "ALL",
C_COMMON_CLK => 0,
C_DISABLE_WARN_BHV_COLL => 0,
C_EN_SLEEP_PIN => 0,
C_DISABLE_WARN_BHV_RANGE => 0,
C_COUNT_36K_BRAM => "0",
C_COUNT_18K_BRAM => "1",
C_EST_POWER_SUMMARY => "Estimated Power for IP : 2.68455 mW"
)
PORT MAP (
clka => clka,
rsta => '0',
ena => '0',
regcea => '0',
wea => wea,
addra => addra,
dina => dina,
clkb => clkb,
rstb => '0',
enb => '0',
regceb => '0',
web => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
addrb => addrb,
dinb => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
doutb => doutb,
injectsbiterr => '0',
injectdbiterr => '0',
eccpipece => '0',
sleep => '0',
s_aclk => '0',
s_aresetn => '0',
s_axi_awid => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 4)),
s_axi_awaddr => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 32)),
s_axi_awlen => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
s_axi_awsize => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 3)),
s_axi_awburst => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 2)),
s_axi_awvalid => '0',
s_axi_wdata => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
s_axi_wstrb => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axi_wlast => '0',
s_axi_wvalid => '0',
s_axi_bready => '0',
s_axi_arid => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 4)),
s_axi_araddr => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 32)),
s_axi_arlen => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
s_axi_arsize => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 3)),
s_axi_arburst => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 2)),
s_axi_arvalid => '0',
s_axi_rready => '0',
s_axi_injectsbiterr => '0',
s_axi_injectdbiterr => '0'
);
END LIST_arch;
| mit | 121c6d0b4b3ff5e10aacd5dd4e86f481 | 0.628455 | 3.041593 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_fdiv_2AXI.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 0;
constant FMUL_IMPLEMENT : integer := 0;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 1c050a1ab347aa17349a167de6a3826a | 0.567707 | 3.729005 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_max_mem_cntrl.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 8;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+1; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | ab7d4656dc9b0bf226702bc574c9f717 | 0.567707 | 3.729005 | false | false | false | false |
chrbirks/NiosII-basic | nios_system/nios_system_inst.vhd | 1 | 732 | component nios_system is
port (
switches_export : in std_logic_vector(3 downto 0) := (others => 'X'); -- export
leds_export : out std_logic_vector(3 downto 0); -- export
clk_clk : in std_logic := 'X'; -- clk
reset_reset_n : in std_logic := 'X' -- reset_n
);
end component nios_system;
u0 : component nios_system
port map (
switches_export => CONNECTED_TO_switches_export, -- switches.export
leds_export => CONNECTED_TO_leds_export, -- leds.export
clk_clk => CONNECTED_TO_clk_clk, -- clk.clk
reset_reset_n => CONNECTED_TO_reset_reset_n -- reset.reset_n
);
| gpl-3.0 | 33e21fe8a7dba255cf19074095d6bdd8 | 0.521858 | 3.373272 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_2AXI_2CACHE_WORDS.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 1;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 6ca7d27e652775bfdae7d6a6f0ffff91 | 0.567707 | 3.729005 | false | false | false | false |
viccuad/fpga-thingies | tron/tron.vhd | 1 | 25,208 | -- hecho para ser visto con tab size = 3
library IEEE;
library UNISIM;
use UNISIM.vcomponents.all;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
entity tron is
port (
ps2Clk: IN std_logic;
ps2Data: IN std_logic;
clk: IN std_logic;
reset: IN std_logic; --reset activo a baja!
hSync: OUT std_logic;
Vsync: OUT std_logic;
colisionOUT: OUT std_logic;
DI2: OUT std_logic_vector(0 downto 0);
DI1: OUT std_logic_vector(0 downto 0);
segs: OUT std_logic_vector (6 downto 0);
R: OUT std_logic_vector (2 downto 0); -- alconversor D/A
G: OUT std_logic_vector (2 downto 0); -- alconversor D/A
B: OUT std_logic_vector (2 downto 0) -- alconversor D/A
);
end tron;
architecture Behavioral of tron is
component ps2KeyboardInterface
port ( clk: IN std_logic;
rst: IN std_logic;
ps2Clk: IN std_logic;
ps2Data: IN std_logic;
data: OUT std_logic_vector (7 DOWNTO 0);
newData: OUT std_logic;
newDataAck: IN std_logic
);
end component;
--señales maquina de estados
type fsmEstados is (pulsadas, despulsadas);
signal estado: fsmEstados;
type fsmEstados2 is (jugando, parado, reseteo);
signal estado2: fsmEstados2;
--señales PS2
signal newData, newDataAck: std_logic;
signal scancode: std_logic_vector (7 downto 0);
--señales VGA
signal senialHSync, senialVSync: std_logic;
signal finPixelCont: std_logic;
signal cuentaPixelCont: std_logic_vector (10 downto 0);
signal cuentaLineCont: std_logic_vector (9 downto 0);
signal comp1, comp2, comp3, comp4, comp5, comp6: std_logic;
signal Rcoche1,Rcoche2,Restela: std_logic_vector (2 downto 0);
signal Gcoche1,Gcoche2,Gestela: std_logic_vector (2 downto 0);
signal Bcoche1,Bcoche2,Bestela: std_logic_vector (2 downto 0);
--señales juego
signal pixelCoche1Hor,pixelCoche2Hor: std_logic_vector (7 downto 0); --153 pixeles (10011001)
signal pixelCoche1Ver,pixelCoche2Ver: std_logic_vector (6 downto 0); --102 pixeles
signal movCoche1,movCoche2: std_logic_vector (1 downto 0); -- 00 = arriba , 01 = derecha , 10 = abajo , 11 = izquierda
signal ldMov1,ldMov2: std_logic;
signal moverCoches: std_logic;
signal cuenta1dec: STD_LOGIC_VECTOR(19 downto 0); --contador1decima
signal finCuenta1Dec: STD_LOGIC;
signal cuentacontReseteo: std_logic_vector(14 downto 0);
signal finCuentaContReseteo,enableContReseteo,hayColision: std_logic;
signal coche1SeMueve, coche2SeMueve,coche1SeMueve2, coche2SeMueve2: std_logic;
--señales teclas
signal teclaSPC: std_logic;
signal clTeclaSPC: std_logic;
signal ldTeclaSPC: std_logic;
--seniales memorias
signal estelaCoche1MenosSig,estelaCoche2MenosSig,estelaCoche1MasSig,estelaCoche2MasSig,DOBcoche1MenosSig,DOBcoche1MasSig,DOBcoche2MenosSig,DOBcoche2MasSig: std_logic_vector(0 downto 0);
signal selPixelPantalla: std_logic_vector (14 downto 0); -- pixeles logicos hor (120) concatenado con pixeles logicos ver (153): cuentaPixelCont(10 downto 3)++cuentaLineCont(8 downto 2)
signal selPixelCoche1,selPixelCoche2: std_logic_vector (14 downto 0); --pixelCoche1/2Hor concatenado pixelCoche1/2Ver
signal estelaMem: std_logic_vector (1 downto 0);
signal WEBmenosSig1, WEBmasSig,WEBmenosSig2, WEBmasSig2,WEcoche1,WEcoche2,senialWEA: std_logic;
signal DIBcoche1,DIBcoche2,DOBcoche1,DOBcoche2: std_logic_vector(0 downto 0);
--señales de depuracion
signal st : std_logic_vector (1 downto 0);
begin
--------------------------- RAM ------------------------------------------------
colisionOUT <= hayColision;
DI1 <= DIBcoche1;
DI2 <= DIBcoche2;
selPixelCoche1(14 downto 7) <= pixelCoche1Hor;
selPixelCoche1(6 downto 0) <= pixelCoche1Ver;
selPixelCoche2(14 downto 7) <= pixelCoche2Hor;
selPixelCoche2(6 downto 0) <= pixelCoche2Ver;
selPixelPantalla(14 downto 7) <= cuentaPixelCont(10 downto 3);
selPixelPantalla(6 downto 0) <= cuentaLineCont(8 downto 2);
--http://www.xilinx.com/itp/xilinx10/books/docs/spartan3_hdl/spartan3_hdl.pdf
rojoMenosSignif: RAMB16_S1_S1
generic map(
WRITE_MODE_B => "READ_FIRST"
)
port map (
DOA => estelaCoche1MenosSig, -- Port A 1-bit Data Output
DOB => DOBcoche1MenosSig, -- Port B 1-bit Data Output
ADDRA => selPixelPantalla(13 downto 0), -- Port A 14-bit Address Input
ADDRB => selPixelCoche1(13 downto 0), -- Port B 14-bit Address Input
CLKA => clk, -- Port A Clock
CLKB => clk, -- Port B Clock
DIA => "0", -- Port A 1-bit Data Input
DIB => DIBcoche1, -- Port B 1-bit Data Input --pintamos rojo
ENA => '1', -- Port A RAM Enable Input
ENB => '1', -- PortB RAM Enable Input
SSRA => '0', -- Port A Synchronous Set/Reset Input
SSRB => '0', -- Port B Synchronous Set/Reset Input
WEA => senialWEA, -- Port A Write Enable Input
WEB => WEBmenosSig1 -- Port B Write Enable Input
);
rojoMasSignif: RAMB16_S1_S1
generic map(
WRITE_MODE_B => "READ_FIRST"
)
port map (
DOA => estelaCoche1MasSig, -- Port A 1-bit Data Output
DOB => DOBcoche1MasSig, -- Port B 1-bit Data Output
ADDRA => selPixelPantalla(13 downto 0), -- Port A 14-bit Address Input
ADDRB => selPixelCoche1(13 downto 0), -- Port B 14-bit Address Input
CLKA => clk, -- Port A Clock
CLKB => clk, -- Port B Clock
DIA => "0", -- Port A 1-bit Data Input
DIB => DIBcoche1, -- Port B 1-bit Data Input --pintamos rojo
ENA => '1', -- Port A RAM Enable Input
ENB => '1', -- PortB RAM Enable Input
SSRA => '0', -- Port A Synchronous Set/Reset Input
SSRB => '0', -- Port B Synchronous Set/Reset Input
WEA => senialWEA, -- Port A Write Enable Input
WEB =>WEBmasSig -- Port B Write Enable Input
);
azulMenosSignif: RAMB16_S1_S1
generic map(
WRITE_MODE_B => "READ_FIRST"
)
port map (
DOA => estelaCoche2MenosSig, -- Port A 1-bit Data Output
DOB => DOBcoche2MenosSig, -- Port B 2-bit Data Output
ADDRA => selPixelPantalla(13 downto 0), -- Port A 14-bit Address Input
ADDRB => selPixelCoche2(13 downto 0), -- Port B 14-bit Address Input
CLKA => clk, -- Port A Clock
CLKB => clk, -- Port B Clock
DIA => "0", -- Port A 1-bit Data Input
DIB => DIBcoche2, -- Port B 1-bit Data Input --pintamos azul
ENA => '1', -- Port A RAM Enable Input
ENB => '1', -- PortB RAM Enable Input
SSRA => '0', -- Port A Synchronous Set/Reset Input
SSRB => '0', -- Port B Synchronous Set/Reset Input
WEA => senialWEA, -- Port A Write Enable Input
WEB => WEBmenosSig2 -- Port B Write Enable Input
);
azulMasSignif: RAMB16_S1_S1
generic map(
WRITE_MODE_B => "READ_FIRST"
)
port map (
DOA => estelaCoche2MasSig, -- Port A 1-bit Data Output
DOB => DOBcoche2MasSig, -- Port B 1-bit Data Output
ADDRA => selPixelPantalla(13 downto 0), -- Port A 14-bit Address Input
ADDRB => selPixelCoche2(13 downto 0), -- Port B 14-bit Address Input
CLKA => clk, -- Port A Clock
CLKB => clk, -- Port B Clock
DIA => "0", -- Port A 1-bit Data Input
DIB => DIBcoche2, -- Port B 1-bit Data Input --pintamos azul
ENA => '1', -- Port A RAM Enable Input
ENB => '1', -- PortB RAM Enable Input
SSRA => '0', -- Port A Synchronous Set/Reset Input
SSRB => '0', -- Port B Synchronous Set/Reset Input
WEA => senialWEA, -- Port A Write Enable Input
WEB => WEBmasSig2 -- Port B Write Enable Input
);
WEB_MasSig2
interfazPS2: ps2KeyboardInterface port map (
rst => reset,
clk => clk,
ps2Clk => ps2Clk,
ps2Data => ps2Data,
data => scancode,
newData => newData,
newDataAck => newDataAck
);
decoSalida: process(selPixelCoche1,selPixelCoche2,selPixelPantalla,DOBcoche1MenosSig,
DOBcoche1MasSig,DOBcoche2MenosSig,DOBcoche2MasSig,WEcoche1,
WEcoche2,estelaCoche1MenosSig,estelaCoche1MasSig,estelaCoche2MenosSig,
estelaCoche2MasSig)
begin
if (selPixelPantalla(14) = '0') then
--direccionar a las menos signif
estelaMem(1 downto 1) <= estelaCoche1MenosSig;
estelaMem(0 downto 0) <= estelaCoche2MenosSig;
else
--direccionar a las mas signif
estelaMem(1 downto 1) <= estelaCoche1MasSig;
estelaMem(0 downto 0) <= estelaCoche2MasSig;
end if;
if (selPixelCoche1(14) = '0') then
--direccionar a las menos signif
WEBmenosSig1 <= WEcoche1;
WEBmasSig <= '0';
DOBcoche1 <= DOBcoche1MenosSig;
else
--direccionar a las mas signif
WEBmenosSig1 <= '0';
WEBmasSig <= WEcoche1;
DOBcoche1 <= DOBcoche1MasSig;
end if;
if (selPixelCoche2(14) = '0') then
--direccionar a las menos signif
WEBmenosSig2 <= WEcoche2;
WEBmasSig2 <= '0';
DOBcoche2 <= DOBcoche2MenosSig;
else
--direccionar a las mas signif
WEBmenosSig2 <= '0';
WEBmasSig2 <= WEcoche2;
DOBcoche2 <= DOBcoche2MasSig;
end if;
end process decoSalida;
--------------------------- PANTALLA -------------------------------------------
hSync <= senialHSync;
vSync <= senialVSync;
pantalla: process(clk, reset,cuentaPixelCont,cuentaLineCont,Rcoche1,Rcoche2,
Gcoche1,Gcoche2,Bcoche1,Bcoche2,Restela,Gestela,Bestela)
begin
--cont mod 1589 (pixelCont para sincronismo horizontal)
if (cuentaPixelCont = "11000110100") then
finPixelCont <= '1';
else
finPixelCont <= '0';
end if;
if(reset = '0')then
cuentaPixelCont <= (others => '0');
finPixelCont <= '0';
elsif(clk'event and clk = '1') then
if (cuentaPixelCont /= "11000110100") then --1588
cuentaPixelCont <= cuentaPixelCont + '1';
elsif (cuentaPixelCont = "11000110100") then
cuentaPixelCont <= (others => '0');
end if;
end if;
--cont mod 528 (lineCont para sincronismo vertical)
if(reset = '0')then
cuentaLineCont <= (others => '0');
elsif(clk'event and clk = '1') then
if (finPixelCont = '1' and cuentaLineCont /= "1000001111") then --527
cuentaLineCont <= cuentaLineCont + '1';
elsif (finPixelCont = '1' and cuentaLineCont = "1000001111") then
cuentaLineCont <= (others => '0');
end if;
end if;
--comparaciones
if (cuentaPixelCont > 1257) then comp1 <= '1'; else comp1 <= '0'; end if;
if (cuentaPixelCont > 1304) then comp2 <= '1'; else comp2 <= '0'; end if;
if (cuentaPixelCont <= 1493) then comp3 <= '1'; else comp3 <= '0'; end if;
if (cuentaLineCont > 479) then comp4 <= '1'; else comp4 <= '0'; end if;
if (cuentaLineCont > 493) then comp5 <= '1'; else comp5 <= '0'; end if;
if (cuentaLineCont <= 495) then comp6 <= '1'; else comp6 <= '0'; end if;
senialHSync <= comp2 nand comp3;
senialVSync <= comp5 nand comp6;
if (senialHSync = '0' or senialVSync = '0') then --no pinta
R <= "000";
G <= "000";
B <= "000";
else
R(2) <= ( (not (comp1 or comp4)) and (Rcoche1(2) or Rcoche2(2) or Restela(2)) );
R(1) <= ( (not (comp1 or comp4)) and (Rcoche1(1) or Rcoche2(1) or Restela(1)) );
R(0) <= ( (not (comp1 or comp4)) and (Rcoche1(0) or Rcoche2(0) or Restela(0)) );
G(2) <= ( (not (comp1 or comp4)) and (Gcoche1(2) or Gcoche2(2) or Gestela(2)) );
G(1) <= ( (not (comp1 or comp4)) and (Gcoche1(1) or Gcoche2(1) or Gestela(1)) );
G(0) <= ( (not (comp1 or comp4)) and (Gcoche1(0) or Gcoche2(0) or Gestela(0)) );
B(2) <= ( (not (comp1 or comp4)) and (Bcoche1(2) or Bcoche2(2) or Bestela(2)) );
B(1) <= ( (not (comp1 or comp4)) and (Bcoche1(1) or Bcoche2(1) or Bestela(1)) );
B(0) <= ( (not (comp1 or comp4)) and (Bcoche1(0) or Bcoche2(0) or Bestela(0)) );
end if;
end process;
------------------------------- PINTAR JUEGO ----------------------------------
-- vertical: 479 limite de pixeles visibles
-- 120 pixeles -> 479 x= (479*1)/120 = 3.99 = aprox 4
-- 1 pixeles -> x
-- horizontal: 1257 limite de pixeles visibles
-- 153 pixeles -> 1257 x= (1257*1)/153 = 8.21 = aprox 8
-- 1 pixeles -> x
pintarCoche1: process(cuentaLineCont,cuentaPixelCont,pixelCoche1Ver,pixelCoche1Hor)
begin
-- inicializacion
Rcoche1 <= "000";
Gcoche1 <= "000";
Bcoche1 <= "000";
--pintar
if ((cuentaLineCont(9 downto 2) >= pixelCoche1Ver-1 and
cuentaLineCont(9 downto 2) <= pixelCoche1Ver+1) and
(cuentaPixelCont(10 downto 3) >= pixelCoche1Hor-1 and
cuentaPixelCont(10 downto 3) <= pixelCoche1Hor+1)) then
Rcoche1 <= "111";--coche rojo
Gcoche1 <= "000";
Bcoche1 <= "000";
end if;
end process pintarCoche1;
pintarCoche2: process(cuentaLineCont,cuentaPixelCont,pixelCoche2Ver,pixelCoche2Hor)
begin
-- inicializacion
Rcoche2 <= "000";
Gcoche2 <= "000";
Bcoche2 <= "000";
--pintar
if ((cuentaLineCont(9 downto 2) >= pixelCoche2Ver-1 and
cuentaLineCont(9 downto 2) <= pixelCoche2Ver+1) and
(cuentaPixelCont(10 downto 3) >= pixelCoche2Hor-1 and
cuentaPixelCont(10 downto 3) <= pixelCoche2Hor+1)) then
Rcoche2 <= "000";
Gcoche2 <= "000";
Bcoche2 <= "111";--coche azul
end if;
end process pintarCoche2;
pintarEstelas: process(cuentaLineCont,cuentaPixelCont,estelaMem)
begin
-- inicializacion
Restela <= "000";
Gestela <= "000";
Bestela <= "000";
--pintar
case estelaMem is
when "01" => Restela <= "000"; --pintamos estela azul
Gestela <= "000";
Bestela <= "111";
when "10" => Restela <= "111"; --pintamos estela rojo
Gestela <= "000";
Bestela <= "000";
when "11" => Restela <= "111"; --las estelas se superponen
Gestela <= "000";
Bestela <= "111";
when others => Restela <= "000"; --no hay estela
Gestela <= "000";
Bestela <= "000";
end case;
end process pintarEstelas;
--#################### CONTROL JUEGO ###########################################
contadorMediaDecima: process(reset,clk,cuenta1dec) --contador mod 5.000.000 (de 0 a 4.999.999)
begin
if (cuenta1dec = "11110100001000111111") then
finCuenta1Dec <= '1';
else
finCuenta1Dec <= '0';
end if;
if(reset = '0')then
cuenta1dec <= (others => '0');
finCuenta1Dec <= '0';
elsif(clk'event and clk = '1') then
if (cuenta1dec /= "11110100001000111111") then
cuenta1dec <= cuenta1dec + 1;
elsif (cuenta1dec = "11110100001000111111") then
cuenta1dec <= (others => '0');
end if;
end if;
end process contadorMediaDecima;
coche1: process(moverCoches,finCuenta1Dec,clk,reset,movCoche1,pixelCoche1Hor,pixelCoche1Ver)
begin
coche1SeMueve <= '1';
if(finCuenta1Dec = '1' and moverCoches = '1') then
coche1SeMueve <= '1';
else
coche1SeMueve <= '0';
end if;
--vertical: cont mod 102 y horizontal: cont mod 153
if (reset = '0')then --pos inicial coche1
pixelCoche1Ver <= "0001000"; --en 9
pixelCoche1Hor <= "00000000"; --en 1
coche1SeMueve <= '0';
elsif (clk'event and clk = '1') then
if(finCuenta1Dec = '1' and moverCoches = '1') then
case movCoche1 is
when "00" => if (pixelCoche1Ver = 0) then --va hacia arriba
pixelCoche1Ver <= "1110111";
else
pixelCoche1Ver <= pixelCoche1Ver - '1';
end if;
when "10" => if (pixelCoche1Ver = 120) then --va hacia abajo
pixelCoche1Ver <= "0000000";
else
pixelCoche1Ver <= pixelCoche1Ver + '1';
end if;
when "11" => if ( pixelCoche1Hor = 0) then --va hacia izquierda
pixelCoche1Hor <= "10011000";
else
pixelCoche1Hor <= pixelCoche1Hor - '1';
end if;
when "01" => if (pixelCoche1Hor = 153) then --va hacia derecha
pixelCoche1Hor <= "00000000";
else
pixelCoche1Hor <= pixelCoche1Hor + '1';
end if;
when others => null;
end case;
end if;
if (teclaSPC = '1') then
pixelCoche1Ver <= "0001000"; --en 9
pixelCoche1Hor <= "00000000"; --en 1
end if;
end if;
end process coche1;
coche2: process(finCuenta1Dec,moverCoches,clk,reset,movCoche2,pixelCoche2Hor,pixelCoche2Ver)
begin
coche2SeMueve <= '0';
if(finCuenta1Dec = '1' and moverCoches = '1') then
coche2SeMueve <= '1';
else
coche2SeMueve <= '0';
end if;
--vertical: cont mod 102 y horizontal: cont mod 153
if (reset = '0')then --pos inicial coche2
pixelCoche2Ver <= "1101110"; --en 110
pixelCoche2Hor <= "10011000"; --en 152
coche2SeMueve <= '0';
elsif (clk'event and clk = '1') then
if(finCuenta1Dec = '1' and moverCoches = '1') then
case movCoche2 is
when "00" => if (pixelCoche2Ver = 0) then --va hacia arriba
pixelCoche2Ver <= "1110111";
else
pixelCoche2Ver <= pixelCoche2Ver - '1';
end if;
when "10" => if (pixelCoche2Ver = 120) then --va hacia abajo
pixelCoche2Ver <= "0000000";
else
pixelCoche2Ver <= pixelCoche2Ver + '1';
end if;
when "11" => if ( pixelCoche2Hor = 0) then --va hacia izquierda
pixelCoche2Hor <= "10011000";
else
pixelCoche2Hor <= pixelCoche2Hor - '1';
end if;
when "01" => if (pixelCoche2Hor = 153) then --va hacia derecha
pixelCoche2Hor <= "00000000";
else
pixelCoche2Hor <= pixelCoche2Hor + '1';
end if;
when others => null;
end case;
end if;
if (teclaSPC = '1') then
pixelCoche2Ver <= "1101110"; --en 110
pixelCoche2Hor <= "10011000"; --en 152
end if;
end if;
end process coche2;
colision: process(estelaMem,DOBcoche1,DOBcoche2,coche1SeMueve,coche2SeMueve,WEcoche1,WEcoche2)
begin
hayColision <= '0';
if (estelaMem = "11" or --chocan entre ellos
(DOBcoche1 = "1" and WEcoche1 = '1') or (DOBcoche2 = "1" and WEcoche2 = '1') --chocan consigo mismo
)then
hayColision <= '1';
else
hayColision <= '0';
end if;
end process colision;
------maquina de estados con registros de flags---------------------------------
controladorEstados: process (clk, reset, newData, scancode)
begin
if(reset = '0') then
estado <= pulsadas;
elsif (clk'event and clk = '1') then
estado <= pulsadas; -- estado por defecto, puede ser sobreescrito luego
case estado is
when pulsadas =>
estado <= pulsadas;
if (newData = '1' and scancode = "11110000") then --11110000: F0
estado <= despulsadas;
end if;
when despulsadas =>
estado <= despulsadas;
if (newData = '1') then
estado <= pulsadas;
end if;
end case;
end if;
end process;
generadorSalidaMealy: process (reset,newDataAck, scancode, estado, newData)
begin
newDataAck <= '0';
clTeclaSPC <= '0';
ldTeclaSPC <= '0';
case estado is
when pulsadas =>
if (newData = '1') then --11110000: F0
case scancode is --registros de flags:
when "00010101" => ldMov1 <= '1' ; --Q=15 arriba
when "00011100" => ldMov1 <= '1' ; --A=1C abajo
when "00011010" => ldMov1 <= '1' ; --Z=1A izq
when "00100010" => ldMov1 <= '1' ; --X=22 der
when "01001101" => ldMov2 <= '1' ; --P=4D arriba
when "01001011" => ldMov2 <= '1' ; --L=4B abajo
when "00110001" => ldMov2 <= '1' ; --N=31 izq
when "00111010" => ldMov2 <= '1' ; --M=3A der
when "00101001" => ldTeclaSPC <= '1'; clTeclaSPC <= '0'; --SPC=29
when others => null;
end case;
newDataAck <= '1';
end if;
when despulsadas =>
if (newData = '1') then
case scancode is --registros de flags:
when "00101001" => ldTeclaSPC <= '0'; clTeclaSPC <= '1'; --SPC=29
when others => null;
end case;
newDataAck <= '1';
end if;
when others => null;
end case;
end process;
--------------------------------------------------------------------------------
biestableDteclaSPC: process(reset,clk,ldTeclaSPC,clTeclaSPC)
begin
if(reset = '0')then
teclaSPC <= '0';
elsif(clk'event and clk = '1' ) then
if (clTeclaSPC = '1') then
teclaSPC <= '0';
elsif (ldTeclaSPC = '1') then
teclaSPC <= '1';
end if;
end if;
end process biestableDteclaSPC;
registroMovCoche1: process(reset,clk,ldMov1,teclaSPC,scancode)
begin
if(reset = '0')then
movCoche1 <= "01"; --hacia der
elsif(clk'event and clk = '1' ) then
if (teclaSPC = '1') then
movCoche1 <= "01"; --hacia der
elsif (ldMov1 = '1') then
case scancode is
when "00010101" => movCoche1 <= "00"; --Q=15 arriba
when "00011100" => movCoche1 <= "10"; --A=1C abajo
when "00011010" => movCoche1 <= "11"; --Z=1A izq
when "00100010" => movCoche1 <= "01"; --X=22 der
when others => null;
end case;
end if;
end if;
end process registroMovCoche1;
registroMovCoche2: process(reset,clk,ldMov2,teclaSPC,scancode)
begin
if(reset = '0')then
movCoche2 <= "11"; --hacia der
elsif(clk'event and clk = '1' ) then
if (teclaSPC = '1') then
movCoche2 <= "11"; --hacia der
elsif (ldMov2 = '1') then
case scancode is
when "01001101" => movCoche2 <= "00"; --P=4D arriba
when "01001011" => movCoche2 <= "10"; --L=4B abajo
when "00110001" => movCoche2 <= "11"; --N=31 izq
when "00111010" => movCoche2 <= "01"; --M=3A der
when others => null;
end case;
end if;
end if;
end process registroMovCoche2;
-----maquina de estados del juego ----------------------------------------------
controladorEstados2: process (clk, reset, finCuentaContReseteo, hayColision, teclaSPC, finCuenta1Dec)
begin
if(reset = '0') then
estado2 <= jugando;
elsif (clk'event and clk = '1') then
estado2 <= jugando; -- estado por defecto, puede ser sobreescrito luego
case estado2 is
when jugando =>
estado2 <= jugando;
if (hayColision = '1') then
estado2 <= parado;
elsif (teclaSPC = '1') then
estado2 <= reseteo;
end if;
when parado =>
estado2 <= parado;
if (teclaSPC = '1') then
estado2 <= reseteo;
end if;
when reseteo =>
estado2 <= reseteo;
if (finCuentaContReseteo = '1') then
estado2 <= jugando;
end if;
end case;
end if;
end process;
generadorSalidaMoore2: process (estado2)
begin
DIBcoche1 <= "1";
DIBcoche2 <= "1";
enableContReseteo <= '0';
moverCoches <= '1';
st <= "00";
senialWEA <= '0';
case estado2 is
when jugando =>
DIBcoche1 <= "1";
DIBcoche2 <= "1";
enableContReseteo <= '0';
moverCoches <= '1';
st <= "00";
senialWEA <= '0';
when parado =>
DIBcoche1 <= "0";
DIBcoche2 <= "0";
enableContReseteo <= '0';
moverCoches <= '0';
st <= "01";
senialWEA <= '0';
when reseteo =>
DIBcoche1 <= "0";
DIBcoche2 <= "0";
enableContReseteo <= '1';
moverCoches <= '0';
st <= "10";
senialWEA <= '1';
when others => null;
end case;
end process;
conversor7seg: process(st)
begin
case st is
--gfedcba
when "00" => segs <= "0111111";
when "01" => segs <= "0000110";
when "10" => segs <= "1011011";
when OTHERS => segs <= "1111001"; -- error
end case;
end process;
--------------------------------------------------------------------------------
contReseteo: process(reset,clk,cuentacontReseteo,enableContReseteo) --contador mod 2^15=32768 (120 x 153 pixeles)
begin
if (cuentacontReseteo = "111111111111111") then
finCuentaContReseteo <= '1';
else
finCuentaContReseteo <= '0';
end if;
if(reset = '0')then
cuentacontReseteo <= (others => '0');
finCuentaContReseteo <= '0';
elsif(clk'event and clk = '1') then
if(enableContReseteo = '1') then
if (cuentacontReseteo /= "111111111111111") then
cuentacontReseteo <= cuentacontReseteo + 1;
end if;
elsif (enableContReseteo = '0') then
cuentacontReseteo <= (others => '0');
end if;
end if;
end process contReseteo;
biestableDcoche1SeMueveRetrasa1ciclo: process(reset,clk,coche1SeMueve) --con estos biestablesD conseguimos escribir sólo una vez en memoria por cada movimiento de coche
begin
if(reset = '0')then
coche1SeMueve2 <= '0';
elsif(clk'event and clk = '1' ) then
coche1SeMueve2 <= coche1SeMueve;
end if;
end process biestableDcoche1SeMueveRetrasa1ciclo;
biestableDcoche2SeMueveRetrasa1ciclo: process(reset,clk,coche2SeMueve)
begin
if(reset = '0')then
coche2SeMueve2 <= '0';
elsif(clk'event and clk = '1' ) then
coche2SeMueve2 <= coche2SeMueve;
end if;
end process biestableDcoche2SeMueveRetrasa1ciclo;
biestableDWEcoche1: process(reset,clk,coche1SeMueve2) --con estos biestablesD conseguimos escribir sólo una vez en memoria por cada movimiento de coche
begin
if(reset = '0')then
WEcoche1 <= '0';
elsif(clk'event and clk = '1' ) then
WEcoche1 <= coche1SeMueve2;
end if;
end process biestableDWEcoche1;
biestableDWEcoche2: process(reset,clk,coche2SeMueve2)
begin
if(reset = '0')then
WEcoche2 <= '0';
elsif(clk'event and clk = '1' ) then
WEcoche2 <= coche2SeMueve2;
end if;
end process biestableDWEcoche2;
end Behavioral;
| gpl-3.0 | ccbab33b09ac435582eb81db029d8ee5 | 0.613456 | 3.242604 | false | false | false | false |
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`protect key_keyowner = "Xilinx", key_keyname= "xilinx_2014_03", key_method = "rsa"
`protect encoding = (enctype = "BASE64", line_length = 76, bytes = 256)
`protect key_block
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`protect key_keyowner = "Synopsys", key_keyname= "SNPS-VCS-RSA-1", key_method = "rsa"
`protect encoding = (enctype = "BASE64", line_length = 76, bytes = 128)
`protect key_block
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`protect key_keyowner = "Aldec", key_keyname= "ALDEC08_001", key_method = "rsa"
`protect encoding = (enctype = "BASE64", line_length = 76, bytes = 256)
`protect key_block
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`protect data_method = "AES128-CBC"
`protect encoding = (enctype = "BASE64", line_length = 76, bytes = 41056)
`protect data_block
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| mit | ca4938449d27ddff50df4f9606be9925 | 0.950599 | 1.846176 | false | false | false | false |
wltr/cern-fgclite | critical_fpga/src/rtl/cf/debug_serial.vhd | 1 | 3,672 | -------------------------------------------------------------------------------
--! @file debug_serial.vhd
--! @author Johannes Walter <[email protected]>
--! @copyright CERN TE-EPC-CCE
--! @date 2015-01-20
--! @brief Debugging serial interface.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
library work;
--! @brief Entity declaration of debug_serial
--! @details
--! Provide a serial debugging interface over UART.
entity debug_serial is
port (
--! @name Clock and resets
--! @{
--! System clock
clk_i : in std_ulogic;
--! Asynchronous active-low reset
rst_asy_n_i : in std_ulogic;
--! Synchronous active-high reset
rst_syn_i : in std_ulogic;
--! @}
--! @name Debugging interface
--! @{
--! TX start flag
start_i : in std_ulogic;
--! Data input
debug_i : in std_ulogic_vector(7 downto 0);
--! Data input enable
debug_en_i : in std_ulogic;
--! Data output
debug_o : out std_ulogic_vector(7 downto 0);
--! Data output enable
debug_en_o : out std_ulogic;
--! @}
--! @name Serial communication
--! @{
--! Serial receiver
rx_i : in std_ulogic;
--! Serial transmitter
tx_o : out std_ulogic);
--! @}
end entity debug_serial;
--! RTL implementation of debug_serial
architecture rtl of debug_serial is
---------------------------------------------------------------------------
--! @name Internal Wires
---------------------------------------------------------------------------
--! @{
signal tx_data : std_ulogic_vector(7 downto 0);
signal tx_data_en : std_ulogic;
signal tx_done : std_ulogic;
signal fifo_rd_en : std_ulogic;
signal fifo_empty : std_ulogic;
--! @}
begin -- architecture rtl
---------------------------------------------------------------------------
-- Signal Assignments
---------------------------------------------------------------------------
fifo_rd_en <= (start_i or tx_done) and (not fifo_empty);
---------------------------------------------------------------------------
-- Instances
---------------------------------------------------------------------------
--! FIFO
fifo_inst : entity work.fifo_tmr
generic map (
depth_g => 256,
width_g => 8)
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
wr_en_i => debug_en_i,
data_i => debug_i,
done_o => open,
full_o => open,
wr_busy_o => open,
rd_en_i => fifo_rd_en,
data_o => tx_data,
data_en_o => tx_data_en,
empty_o => fifo_empty,
rd_busy_o => open);
--! Serial transmitter
uart_tx_inst : entity work.uart_tx
generic map (
data_width_g => 8,
parity_g => 0,
stop_bits_g => 1,
num_ticks_g => 156)
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
data_i => tx_data,
data_en_i => tx_data_en,
busy_o => open,
done_o => tx_done,
tx_o => tx_o);
--! Serial receiver
uart_rx_inst : entity work.uart_rx
generic map (
data_width_g => 8,
parity_g => 0,
stop_bits_g => 1,
num_ticks_g => 156)
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
rx_i => rx_i,
data_o => debug_o,
data_en_o => debug_en_o,
error_o => open);
end architecture rtl;
| mit | fd5c1aa39591bb21324d015a0acfb869 | 0.435185 | 3.785567 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_2AXI.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 1;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 0;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 6;
constant FLOAT_IMPLEMENT : natural := 0;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FDIV_DELAY;
constant CACHE_N_BANKS_W : natural := 2;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 18935be0c51b0848988ba5dbd1b5615c | 0.567707 | 3.729005 | false | false | false | false |
preusser/q27 | src/vhdl/PoC/common/components.vhdl | 2 | 11,401 | -- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
--
-- ============================================================================
-- Authors: Patrick Lehmann
--
-- Package: Common primitives described as a function
--
-- Description:
-- ------------------------------------
-- This packages describes common primitives like flip flops and multiplexers
-- as a function to use them as one-liners.
--
-- License:
-- ============================================================================
-- Copyright 2007-2015 Technische Universitaet Dresden - Germany
-- Chair for VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- ============================================================================
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
library PoC;
use PoC.utils.all;
PACKAGE components IS
-- FlipFlop functions
function ffdre(q : STD_LOGIC; d : STD_LOGIC; rst : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC; -- D-FlipFlop with reset and enable
function ffdre(q : STD_LOGIC_VECTOR; d : STD_LOGIC_VECTOR; rst : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC_VECTOR; -- D-FlipFlop with reset and enable
function ffdse(q : STD_LOGIC; d : STD_LOGIC; set : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC; -- D-FlipFlop with set and enable
function fftre(q : STD_LOGIC; rst : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC; -- T-FlipFlop with reset and enable
function ffrs(q : STD_LOGIC; rst : STD_LOGIC := '0'; set : STD_LOGIC := '0') return STD_LOGIC; -- RS-FlipFlop with dominant rst
function ffsr(q : STD_LOGIC; rst : STD_LOGIC := '0'; set : STD_LOGIC := '0') return STD_LOGIC; -- RS-FlipFlop with dominant set
-- adder
function inc(value : STD_LOGIC_VECTOR; increment : NATURAL := 1) return STD_LOGIC_VECTOR;
function inc(value : UNSIGNED; increment : NATURAL := 1) return UNSIGNED;
function inc(value : SIGNED; increment : NATURAL := 1) return SIGNED;
function dec(value : STD_LOGIC_VECTOR; decrement : NATURAL := 1) return STD_LOGIC_VECTOR;
function dec(value : UNSIGNED; decrement : NATURAL := 1) return UNSIGNED;
function dec(value : SIGNED; decrement : NATURAL := 1) return SIGNED;
-- negate
function neg(value : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR; -- calculate 2's complement
-- counter
function upcounter_next(cnt : UNSIGNED; rst : STD_LOGIC; en : STD_LOGIC := '1'; init : NATURAL := 0) return UNSIGNED;
function upcounter_equal(cnt : UNSIGNED; value : NATURAL) return STD_LOGIC;
function downcounter_next(cnt : SIGNED; rst : STD_LOGIC; en : STD_LOGIC := '1'; init : INTEGER := 0) return SIGNED;
function downcounter_equal(cnt : SIGNED; value : INTEGER) return STD_LOGIC;
function downcounter_neg(cnt : SIGNED) return STD_LOGIC;
-- shift/rotate registers
function sr_left(q : STD_LOGIC_VECTOR; i : STD_LOGIC) return STD_LOGIC_VECTOR;
function sr_right(q : STD_LOGIC_VECTOR; i : STD_LOGIC) return STD_LOGIC_VECTOR;
function rr_left(q : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;
function rr_right(q : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;
-- compare
function comp(value1 : STD_LOGIC_VECTOR; value2 : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;
function comp(value1 : UNSIGNED; value2 : UNSIGNED) return UNSIGNED;
function comp(value1 : SIGNED; value2 : SIGNED) return SIGNED;
function comp_allzero(value : STD_LOGIC_VECTOR) return STD_LOGIC;
function comp_allzero(value : UNSIGNED) return STD_LOGIC;
function comp_allzero(value : SIGNED) return STD_LOGIC;
function comp_allone(value : STD_LOGIC_VECTOR) return STD_LOGIC;
function comp_allone(value : UNSIGNED) return STD_LOGIC;
function comp_allone(value : SIGNED) return STD_LOGIC;
-- multiplexing
function mux(sel : STD_LOGIC; sl0 : STD_LOGIC; sl1 : STD_LOGIC) return STD_LOGIC;
function mux(sel : STD_LOGIC; slv0 : STD_LOGIC_VECTOR; slv1 : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;
function mux(sel : STD_LOGIC; us0 : UNSIGNED; us1 : UNSIGNED) return UNSIGNED;
function mux(sel : STD_LOGIC; s0 : SIGNED; s1 : SIGNED) return SIGNED;
end;
package body components is
-- d-flipflop with reset and enable
function ffdre(q : STD_LOGIC; d : STD_LOGIC; rst : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC is
begin
return ((d and en) or (q and not en)) and not rst;
end function;
function ffdre(q : STD_LOGIC_VECTOR; d : STD_LOGIC_VECTOR; rst : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC_VECTOR is
begin
return ((d and (q'range => en)) or (q and not (q'range => en))) and not (q'range => rst);
end function;
-- d-flipflop with set and enable
function ffdse(q : STD_LOGIC; d : STD_LOGIC; set : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC is
begin
return ((d and en) or (q and not en)) or set;
end function;
-- t-flipflop with reset and enable
function fftre(q : STD_LOGIC; rst : STD_LOGIC := '0'; en : STD_LOGIC := '1') return STD_LOGIC is
begin
return ((not q and en) or (q and not en)) and not rst;
end function;
-- rs-flipflop with dominant rst
function ffrs(q : STD_LOGIC; rst : STD_LOGIC := '0'; set : STD_LOGIC := '0') return STD_LOGIC is
begin
return (q or set) and not rst;
end function;
-- rs-flipflop with dominant set
function ffsr(q : STD_LOGIC; rst : STD_LOGIC := '0'; set : STD_LOGIC := '0') return STD_LOGIC is
begin
return (q and not rst) or set;
end function;
-- adder
function inc(value : STD_LOGIC_VECTOR; increment : NATURAL := 1) return STD_LOGIC_VECTOR is
begin
return std_logic_vector(inc(unsigned(value), increment));
end function;
function inc(value : UNSIGNED; increment : NATURAL := 1) return UNSIGNED is
begin
return value + increment;
end function;
function inc(value : SIGNED; increment : NATURAL := 1) return SIGNED is
begin
return value + increment;
end function;
function dec(value : STD_LOGIC_VECTOR; decrement : NATURAL := 1) return STD_LOGIC_VECTOR is
begin
return std_logic_vector(dec(unsigned(value), decrement));
end function;
function dec(value : UNSIGNED; decrement : NATURAL := 1) return UNSIGNED is
begin
return value + decrement;
end function;
function dec(value : SIGNED; decrement : NATURAL := 1) return SIGNED is
begin
return value + decrement;
end function;
-- negate
function neg(value : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR is
begin
return std_logic_vector(inc(unsigned(not value))); -- 2's complement
end function;
-- counter
function upcounter_next(cnt : UNSIGNED; rst : STD_LOGIC; en : STD_LOGIC := '1'; init : NATURAL := 0) return UNSIGNED is
begin
if (rst = '1') then
return to_unsigned(init, cnt'length);
elsif (en = '1') then
return cnt + 1;
else
return cnt;
end if;
end function;
function upcounter_equal(cnt : UNSIGNED; value : NATURAL) return STD_LOGIC is
begin
-- optimized comparison for only up counting values
return to_sl((cnt and to_unsigned(value, cnt'length)) = value);
end function;
function downcounter_next(cnt : SIGNED; rst : STD_LOGIC; en : STD_LOGIC := '1'; init : INTEGER := 0) return SIGNED is
begin
if (rst = '1') then
return to_signed(init, cnt'length);
elsif (en = '1') then
return cnt - 1;
else
return cnt;
end if;
end function;
function downcounter_equal(cnt : SIGNED; value : INTEGER) return STD_LOGIC is
begin
-- optimized comparison for only down counting values
return to_sl((cnt nor to_signed(value, cnt'length)) /= value);
end function;
function downcounter_neg(cnt : SIGNED) return STD_LOGIC is
begin
return cnt(cnt'high);
end function;
-- shift/rotate registers
function sr_left(q : STD_LOGIC_VECTOR; i : std_logic) return STD_LOGIC_VECTOR is
begin
return q(q'left - 1 downto q'right) & i;
end function;
function sr_right(q : STD_LOGIC_VECTOR; i : std_logic) return STD_LOGIC_VECTOR is
begin
return i & q(q'left downto q'right - 1);
end function;
function rr_left(q : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR is
begin
return q(q'left - 1 downto q'right) & q(q'left);
end function;
function rr_right(q : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR is
begin
return q(q'right) & q(q'left downto q'right - 1);
end function;
-- compare functions
-- return value 1- => value1 < value2 (difference is negative)
-- return value 00 => value1 = value2 (difference is zero)
-- return value -1 => value1 > value2 (difference is positive)
function comp(value1 : STD_LOGIC_VECTOR; value2 : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR is
begin
report "Comparing two STD_LOGIC_VECTORs - implicit conversion to UNSIGNED" severity WARNING;
return std_logic_vector(comp(unsigned(value1), unsigned(value2)));
end function;
function comp(value1 : UNSIGNED; value2 : UNSIGNED) return UNSIGNED is
begin
if (value1 < value2) then
return "10";
elsif (value1 = value2) then
return "00";
else
return "01";
end if;
end function;
function comp(value1 : SIGNED; value2 : SIGNED) return SIGNED is
begin
if (value1 < value2) then
return "10";
elsif (value1 = value2) then
return "00";
else
return "01";
end if;
end function;
function comp_allzero(value : STD_LOGIC_VECTOR) return STD_LOGIC is
begin
return comp_allzero(unsigned(value));
end function;
function comp_allzero(value : UNSIGNED) return STD_LOGIC is
begin
return to_sl(value = (value'range => '0'));
end function;
function comp_allzero(value : SIGNED) return STD_LOGIC is
begin
return to_sl(value = (value'range => '0'));
end function;
function comp_allone(value : STD_LOGIC_VECTOR) return STD_LOGIC is
begin
return comp_allone(unsigned(value));
end function;
function comp_allone(value : UNSIGNED) return STD_LOGIC is
begin
return to_sl(value = (value'range => '1'));
end function;
function comp_allone(value : SIGNED) return STD_LOGIC is
begin
return to_sl(value = (value'range => '1'));
end function;
-- multiplexing
function mux(sel : STD_LOGIC; sl0 : STD_LOGIC; sl1 : STD_LOGIC) return STD_LOGIC is
begin
return (sl0 and not sel) or (sl1 and sel);
end function;
function mux(sel : STD_LOGIC; slv0 : STD_LOGIC_VECTOR; slv1 : STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR is
begin
return (slv0 and not (slv0'range => sel)) or (slv1 and (slv1'range => sel));
end function;
function mux(sel : STD_LOGIC; us0 : UNSIGNED; us1 : UNSIGNED) return UNSIGNED is
begin
return (us0 and not (us0'range => sel)) or (us1 and (us1'range => sel));
end function;
function mux(sel : STD_LOGIC; s0 : SIGNED; s1 : SIGNED) return SIGNED is
begin
return (s0 and not (s0'range => sel)) or (s1 and (s1'range => sel));
end function;
END PACKAGE BODY; | agpl-3.0 | 8201e53a7d6b1d4f7e821c914f8f1b2d | 0.672836 | 3.282753 | false | false | false | false |
wltr/cern-fgclite | nanofip_fpga/src/rtl/nanofip/wf_rx_deglitcher.vhd | 1 | 10,214 | --_________________________________________________________________________________________________
-- |
-- |The nanoFIP| |
-- |
-- CERN,BE/CO-HT |
--________________________________________________________________________________________________|
---------------------------------------------------------------------------------------------------
-- |
-- wf_rx_deglitcher |
-- |
---------------------------------------------------------------------------------------------------
-- File wf_rx_deglitcher.vhd |
-- |
-- Description The unit applies a glitch filter to the nanoFIP FIELDRIVE input FD_RXD. |
-- It is capable of cleaning glitches up to c_DEGLITCH_THRESHOLD uclk ticks long. |
-- |
-- Authors Pablo Alvarez Sanchez ([email protected]) |
-- Evangelia Gousiou ([email protected]) |
-- Date 14/02/2011 |
-- Version v0.03 |
-- Depends on wf_reset_unit |
---------------- |
-- Last changes |
-- 07/08/2009 v0.01 PAS Entity Ports added, start of architecture content |
-- 23/08/2010 v0.02 EG code cleaned-up+commented |
-- 14/02/2011 v0.03 EG complete change, no dependency on osc; |
-- fd_rxd deglitched right at reception |
---------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE |
-- ------------------------------------ |
-- This source file is free software; you can redistribute it and/or modify it under the terms of |
-- the GNU Lesser General Public License as published by the Free Software Foundation; either |
-- version 2.1 of the License, or (at your option) any later version. |
-- This source is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
-- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
-- See the GNU Lesser General Public License for more details. |
-- You should have received a copy of the GNU Lesser General Public License along with this |
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html |
---------------------------------------------------------------------------------------------------
--=================================================================================================
-- Libraries & Packages
--=================================================================================================
-- Standard library
library IEEE;
use IEEE.STD_LOGIC_1164.all; -- std_logic definitions
use IEEE.NUMERIC_STD.all; -- conversion functions
-- Specific library
library work;
use work.WF_PACKAGE.all; -- definitions of types, constants, entities
--=================================================================================================
-- Entity declaration for wf_rx_deglitcher
--=================================================================================================
entity wf_rx_deglitcher is port(
-- INPUTS
-- nanoFIP User Interface general signal
uclk_i : in std_logic; -- 40 MHz clock
-- Signal from the wf_reset_unit
nfip_rst_i : in std_logic; -- nanoFIP internal reset
-- nanoFIP FIELDRIVE (synchronized with uclk)
fd_rxd_a_i : in std_logic; -- receiver data
-- OUTPUTS
-- Signals to the wf_rx_deserializer unit
fd_rxd_filt_o : out std_logic; -- filtered output signal
fd_rxd_filt_edge_p_o : out std_logic; -- indicates an edge on the filtered signal
fd_rxd_filt_f_edge_p_o : out std_logic);-- indicates a falling edge on the filtered signal
end wf_rx_deglitcher;
--=================================================================================================
-- architecture declaration
--=================================================================================================
architecture rtl of wf_rx_deglitcher is
signal s_fd_rxd_synch : std_logic_vector (1 downto 0);
signal s_fd_rxd_filt, s_fd_rxd_filt_d1 : std_logic;
signal s_fd_rxd_filt_r_edge_p, s_fd_rxd_filt_f_edge_p : std_logic;
signal s_filt_c : unsigned (3 downto 0);
--=================================================================================================
-- architecture begin
--=================================================================================================
begin
---------------------------------------------------------------------------------------------------
-- FD_RXD synchronization --
---------------------------------------------------------------------------------------------------
-- Synchronous process FD_RXD_synchronizer: Synchronization of the nanoFIP FIELDRIVE input
-- FD_RXD to the uclk, using a set of 2 registers.
FD_RXD_synchronizer: process (uclk_i)
begin
if rising_edge (uclk_i) then
if nfip_rst_i = '1' then
s_fd_rxd_synch <= (others => '0');
else
s_fd_rxd_synch <= s_fd_rxd_synch(0) & fd_rxd_a_i;
end if;
end if;
end process;
---------------------------------------------------------------------------------------------------
-- Deglitching --
---------------------------------------------------------------------------------------------------
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
-- Synchronous process FD_RXD_deglitcher: the output signal s_fd_rxd_filt is updated only
-- after the accumulation of a sufficient (c_DEGLITCH_THRESHOLD + 1) amount of identical bits.
-- The signal is therefore cleaned of any glitches up to c_DEGLITCH_THRESHOLD uclk ticks long.
FD_RXD_deglitcher: process (uclk_i)
begin
if rising_edge (uclk_i) then
if nfip_rst_i = '1' then
s_filt_c <= to_unsigned (c_DEGLITCH_THRESHOLD, s_filt_c'length) srl 1;-- middle value
s_fd_rxd_filt <= '0';
s_fd_rxd_filt_d1 <= '0';
else
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
if s_fd_rxd_synch(1) = '0' then -- arrival of a '0'
if s_filt_c /= 0 then -- counter updated
s_filt_c <= s_filt_c - 1;
else
s_fd_rxd_filt <= '0'; -- output updated
end if; -- if counter = 0
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
elsif s_fd_rxd_synch(1) = '1' then -- arrival of a '1'
if s_filt_c /= c_DEGLITCH_THRESHOLD then
s_filt_c <= s_filt_c + 1; -- counter updated
else
s_fd_rxd_filt <= '1'; -- output updated
end if; -- if counter = c_DEGLITCH_THRESHOLD
end if;
s_fd_rxd_filt_d1 <= s_fd_rxd_filt; -- used for the edges detection
end if;
end if;
end process;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
-- Concurrent signal assignments
s_fd_rxd_filt_r_edge_p <= (not s_fd_rxd_filt_d1) and s_fd_rxd_filt; -- pulse upon detection
-- of a falling edge
s_fd_rxd_filt_f_edge_p <= s_fd_rxd_filt_d1 and (not s_fd_rxd_filt); -- pulse upon detection
-- of a rising edge
fd_rxd_filt_edge_p_o <= s_fd_rxd_filt_f_edge_p or s_fd_rxd_filt_r_edge_p;
fd_rxd_filt_f_edge_p_o <= s_fd_rxd_filt_f_edge_p;
fd_rxd_filt_o <= s_fd_rxd_filt;
end rtl;
--=================================================================================================
-- architecture end
--=================================================================================================
---------------------------------------------------------------------------------------------------
-- E N D O F F I L E
--------------------------------------------------------------------------------------------------- | mit | 6deff1c08ea25fefb50fa3dcfb45d4b5 | 0.319561 | 5.624449 | false | false | false | false |
wltr/cern-fgclite | critical_fpga/src/rtl/cf/ab.vhd | 1 | 10,554 | -------------------------------------------------------------------------------
--! @file ab.vhd
--! @author Johannes Walter <[email protected]>
--! @copyright CERN TE-EPC-CCE
--! @date 2014-07-08
--! @brief Analogue board control and filters.
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
library work;
use work.ab_pkg.all;
use work.nf_pkg.all;
use work.ads1281_filter_pkg.all;
--! @brief Entity declaration of ab
--! @details
--! This component controls the analogue board switches, DAC and ADCs. It
--! also provides FIR filter implementations for the ADCs and has an internal
--! pattern generator for test purposes.
entity ab is
port (
--! @name Clock and resets
--! @{
--! System clock
clk_i : in std_ulogic;
--! Asynchronous active-low reset
rst_asy_n_i : in std_ulogic;
--! Synchronous active-high reset
rst_syn_i : in std_ulogic;
--! @}
--! @name Analogue board interface
--! @{
--! Inputs
ab_i : in ab_in_t;
--! Outputs
ab_o : out ab_out_t;
--! @}
--! @name Internal interface
--! @{
--! Millisecond strobe
ms_strobe_i : in std_ulogic;
--! Millisecond strobe indicating start of cycle
ms_0_strobe_i : in std_ulogic;
--! Commands
command_i : in nf_command_t;
--! SEFI detector
sefi_o : out std_ulogic_vector(5 downto 0);
--! Voltage reference when ramping down
pf_vref_i : in std_ulogic_vector(15 downto 0);
--! Voltage reference enable
pf_vref_en_i : in std_ulogic;
--! Voltage reference override
pf_vref_ovr_i : in std_ulogic;
--! @}
--! @name ADC results
--! @{
--! ADC VS result
adc_vs_o : out std_ulogic_vector(23 downto 0);
--! ADC VS result enable
adc_vs_en_o : out std_ulogic;
--! ADC IA result
adc_ia_o : out std_ulogic_vector(23 downto 0);
--! ADC IA result enable
adc_ia_en_o : out std_ulogic;
--! ADC IB result
adc_ib_o : out std_ulogic_vector(23 downto 0);
--! ADC IB result enable
adc_ib_en_o : out std_ulogic;
--! @}
--! @name Accumulator results
--! @{
--! Accumulator VS result
acc_vs_o : out std_ulogic_vector(31 downto 0);
--! Accumulator VS result enable
acc_vs_en_o : out std_ulogic;
--! Accumulator IA result
acc_ia_o : out std_ulogic_vector(31 downto 0);
--! Accumulator IA result enable
acc_ia_en_o : out std_ulogic;
--! Accumulator IB result
acc_ib_o : out std_ulogic_vector(31 downto 0);
--! Accumulator IB result enable
acc_ib_en_o : out std_ulogic);
--! @}
end entity ab;
--! RTL implementation of ab
architecture rtl of ab is
---------------------------------------------------------------------------
--! @name Types and Constants
---------------------------------------------------------------------------
--! @{
type acc_result_t is array (0 to 2) of std_ulogic_vector(27 downto 0);
type sefi_mode_t is array (0 to 5) of std_ulogic_vector(1 downto 0);
--! @}
---------------------------------------------------------------------------
--! @name Internal Wires
---------------------------------------------------------------------------
--! @{
signal adc_m0 : std_ulogic_vector(2 downto 0);
signal adc_m1 : std_ulogic_vector(2 downto 0);
signal adc_result : ads1281_filter_result_t;
signal adc_result_en : std_ulogic_vector(2 downto 0);
signal acc_result : acc_result_t;
signal acc_result_en : std_ulogic_vector(2 downto 0);
signal ab : ab_out_t;
signal sample_strb : std_ulogic;
signal adc_m : std_ulogic_vector(5 downto 0);
signal sefi_in : std_ulogic_vector(5 downto 0);
signal sefi_mode : sefi_mode_t;
signal vref : std_ulogic_vector(15 downto 0);
signal vref_en : std_ulogic;
--! @}
begin -- architecture rtl
---------------------------------------------------------------------------
-- Outputs
---------------------------------------------------------------------------
-- Power up analogue board
ab_o.pwr_on_n <= '0';
-- Start temperature control on analogue board
ab_o.temp_stop <= '0';
ab_o.cal_dac <= ab.cal_dac;
ab_o.cal_offset <= ab.cal_offset;
ab_o.cal_vref_p <= ab.cal_vref_p;
ab_o.cal_vref_n <= ab.cal_vref_n;
ab_o.adc_vs_rst_n <= ab.adc_vs_rst_n;
ab_o.sw_in_vs <= ab.sw_in_vs;
ab_o.adc_a_rst_n <= ab.adc_a_rst_n;
ab_o.sw_in_a <= ab.sw_in_a;
ab_o.adc_b_rst_n <= ab.adc_b_rst_n;
ab_o.sw_in_b <= ab.sw_in_b;
adc_vs_o <= adc_result(0);
adc_vs_en_o <= adc_result_en(0);
adc_ia_o <= adc_result(1);
adc_ia_en_o <= adc_result_en(1);
adc_ib_o <= adc_result(2);
adc_ib_en_o <= adc_result_en(2);
acc_vs_o(31 downto 28) <= (31 downto 28 => acc_result(0)(acc_result(0)'high));
acc_vs_o(27 downto 0) <= acc_result(0);
acc_vs_en_o <= acc_result_en(0);
acc_ia_o(31 downto 28) <= (31 downto 28 => acc_result(1)(acc_result(1)'high));
acc_ia_o(27 downto 0) <= acc_result(1);
acc_ia_en_o <= acc_result_en(1);
acc_ib_o(31 downto 28) <= (31 downto 28 => acc_result(2)(acc_result(2)'high));
acc_ib_o(27 downto 0) <= acc_result(2);
acc_ib_en_o <= acc_result_en(2);
---------------------------------------------------------------------------
-- Signal Assignments
---------------------------------------------------------------------------
adc_m0 <= ab_i.adc_vs(0) & ab_i.adc_a(0) & ab_i.adc_b(0);
adc_m1 <= ab_i.adc_vs(1) & ab_i.adc_a(1) & ab_i.adc_b(1);
adc_m <= ab_i.adc_b & ab_i.adc_a & ab_i.adc_vs;
sefi_mode(0) <= command_i.sefi_test_vs_m0;
sefi_mode(1) <= command_i.sefi_test_vs_m1;
sefi_mode(2) <= command_i.sefi_test_ia_m0;
sefi_mode(3) <= command_i.sefi_test_ia_m1;
sefi_mode(4) <= command_i.sefi_test_ib_m0;
sefi_mode(5) <= command_i.sefi_test_ib_m1;
vref <= pf_vref_i when pf_vref_ovr_i = '1' else command_i.v_ref;
vref_en <= pf_vref_en_i when pf_vref_ovr_i = '1' else ms_0_strobe_i;
---------------------------------------------------------------------------
-- Instances
---------------------------------------------------------------------------
--! SEFI detector test
sefi_test_gen : for i in 0 to 5 generate
sefi_test_inst : entity work.sefi_detector_test
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
ms_0_strobe_i => ms_0_strobe_i,
en_i => command_i.vs_cmd(0),
mode_i => sefi_mode(i),
strb_i => sample_strb,
adc_i => adc_m(i),
test_o => sefi_in(i));
end generate sefi_test_gen;
--! SEFI detectors
sefi_detector_gen : for i in 0 to 5 generate
sefi_detector_inst : entity work.sefi_detector
generic map (
num_g => 30)
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => ms_0_strobe_i,
en_i => sample_strb,
sig_i => sefi_in(i),
sefi_o => sefi_o(i));
end generate sefi_detector_gen;
--! Analogue board DAC interface
max5541_interface_inst : entity work.max5541_interface
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
data_i => vref,
data_en_i => vref_en,
busy_o => open,
done_o => open,
cs_o => ab_o.dac_cs,
sclk_o => ab_o.dac_sclk,
din_o => ab_o.dac_din);
--! ADS1281 filter
ads1281_filter_inst : entity work.ads1281_filter
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => rst_syn_i,
strb_ms_i => ms_strobe_i,
strb_sample_o => sample_strb,
adc_m0_i => adc_m0,
adc_m1_i => adc_m1,
result_o => adc_result,
result_en_o => adc_result_en);
--! ADS1281 result accumulator
ads1281_result_accumulator_gen : for i in 0 to 2 generate
ads1281_result_accumulator_inst : entity work.ads1281_result_accumulator
generic map (
num_results_g => 10)
port map (
clk_i => clk_i,
rst_asy_n_i => rst_asy_n_i,
rst_syn_i => ms_0_strobe_i,
result_i => adc_result(i),
result_en_i => adc_result_en(i),
result_o => acc_result(i),
result_en_o => acc_result_en(i));
end generate ads1281_result_accumulator_gen;
---------------------------------------------------------------------------
-- Registers
---------------------------------------------------------------------------
regs : process (clk_i, rst_asy_n_i) is
procedure reset is
begin
ab.cal_dac <= '0';
ab.cal_offset <= '0';
ab.cal_vref_p <= '0';
ab.cal_vref_n <= '0';
ab.adc_vs_rst_n <= '1';
ab.sw_in_vs <= '0';
ab.adc_a_rst_n <= '1';
ab.sw_in_a <= '0';
ab.adc_b_rst_n <= '1';
ab.sw_in_b <= '0';
end procedure reset;
begin -- process regs
if rst_asy_n_i = '0' then
reset;
elsif rising_edge(clk_i) then
if rst_syn_i = '1' then
reset;
elsif ms_0_strobe_i = '1' then
case command_i.cal_source is
when "00" =>
ab.cal_dac <= '0';
ab.cal_offset <= '1';
ab.cal_vref_n <= '0';
ab.cal_vref_p <= '0';
when "01" =>
ab.cal_dac <= '0';
ab.cal_offset <= '0';
ab.cal_vref_n <= '0';
ab.cal_vref_p <= '1';
when "10" =>
ab.cal_dac <= '0';
ab.cal_offset <= '0';
ab.cal_vref_n <= '1';
ab.cal_vref_p <= '0';
when "11" =>
ab.cal_dac <= '1';
ab.cal_offset <= '0';
ab.cal_vref_n <= '0';
ab.cal_vref_p <= '0';
when others => null;
end case;
ab.adc_vs_rst_n <= command_i.adc_vs_reset_n;
ab.adc_a_rst_n <= command_i.adc_ia_reset_n;
ab.adc_b_rst_n <= command_i.adc_ib_reset_n;
if command_i.vs_cmd(0) = '0' then
ab.sw_in_vs <= command_i.cal_vs_en;
ab.sw_in_a <= command_i.cal_ia_en;
ab.sw_in_b <= command_i.cal_ib_en;
else
ab.sw_in_vs <= '0';
ab.sw_in_a <= '0';
ab.sw_in_b <= '0';
end if;
end if;
end if;
end process regs;
end architecture rtl;
| mit | f6c2aee3439e8916e76674475992ad0d | 0.481524 | 3.204007 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_4CUs_float.vhd | 1 | 23,540 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 2; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 11;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 0;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 1;
constant FSQRT_IMPLEMENT : integer := 1;
constant UITOFP_IMPLEMENT : integer := 1;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant MAX_FPU_DELAY : integer := FSQRT_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 4;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | 079a63acf9c65477bf1d4e014cd772c3 | 0.568734 | 3.717038 | false | false | false | false |
malkadi/FGPU | bitstreams/settings_and_utilization/V2_8CUs_fadd_fmul_2AXI_2CACHE_WORDS.vhd | 1 | 24,067 | -- libraries --------------------------------------------------------------------------------- {{{
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.ALL;
use ieee.std_logic_textio.all;
use std.textio.all;
------------------------------------------------------------------------------------------------- }}}
package FGPU_definitions is
constant N_CU_W : natural := 3; --0 to 3
-- Bitwidth of # of CUs
constant LMEM_ADDR_W : natural := 10;
-- bitwidth of local memory address for a single PE
constant N_AXI_W : natural := 1;
-- Bitwidth of # of AXI data ports
constant SUB_INTEGER_IMPLEMENT : natural := 0;
-- implement sub-integer store operations
constant N_STATIONS_ALU : natural := 4;
-- # stations to store memory requests sourced by a single ALU
constant ATOMIC_IMPLEMENT : natural := 0;
-- implement global atomic operations
constant LMEM_IMPLEMENT : natural := 0;
-- implement local scratchpad
constant N_TAG_MANAGERS_W : natural := N_CU_W+0; -- 0 to 1
-- Bitwidth of # tag controllers per CU
constant RD_CACHE_N_WORDS_W : natural := 1;
constant RD_CACHE_FIFO_PORTB_ADDR_W : natural := 8;
constant FLOAT_IMPLEMENT : natural := 1;
constant FADD_IMPLEMENT : integer := 1;
constant FMUL_IMPLEMENT : integer := 1;
constant FDIV_IMPLEMENT : integer := 0;
constant FSQRT_IMPLEMENT : integer := 0;
constant UITOFP_IMPLEMENT : integer := 0;
constant FSLT_IMPLEMENT : integer := 0;
constant FRSQRT_IMPLEMENT : integer := 0;
constant FADD_DELAY : integer := 11;
constant UITOFP_DELAY : integer := 5;
constant FMUL_DELAY : integer := 8;
constant FDIV_DELAY : integer := 28;
constant FSQRT_DELAY : integer := 28;
constant FRSQRT_DELAY : integer := 28;
constant FSLT_DELAY : integer := 2;
constant MAX_FPU_DELAY : integer := FADD_DELAY;
constant CACHE_N_BANKS_W : natural := 3;
-- Bitwidth of # words within a cache line. Minimum is 2
constant N_RECEIVERS_CU_W : natural := 6-N_CU_W;
-- Bitwidth of # of receivers inside the global memory controller per CU. (6-N_CU_W) will lead to 64 receivers whatever the # of CU is.
constant BURST_WORDS_W : natural := 5;
-- Bitwidth # of words within a single AXI burst
constant ENABLE_READ_PRIORIRY_PIPE : boolean := false;
constant FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo size to store outgoing memory requests from a CU
constant N_RD_FIFOS_TAG_MANAGER_W : natural := 0;
constant FINISH_FIFO_ADDR_W : natural := 3;
-- Bitwidth of the fifo depth to mark dirty cache lines to be cleared at the end
-- constant CRAM_BLOCKS : natural := 1;
-- # of CRAM replicates. Each replicate will serve some CUs (1 or 2 supported only)
constant CV_W : natural := 3;
-- bitwidth of # of PEs within a CV
constant CV_TO_CACHE_SLICE : natural := 3;
constant INSTR_READ_SLICE : boolean := true;
constant RTM_WRITE_SLICE : boolean := true;
constant WRITE_PHASE_W : natural := 1;
-- # of MSBs of the receiver index in the global memory controller which will be selected to write. These bits increments always.
-- This incrmenetation should help to balance serving the receivers
constant RCV_PRIORITY_W : natural := 3;
constant N_WF_CU_W : natural := 3;
-- bitwidth of # of WFs that can be simultaneously managed within a CU
constant AADD_ATOMIC : natural := 1;
constant AMAX_ATOMIC : natural := 1;
constant GMEM_N_BANK_W : natural := 1;
constant ID_WIDTH : natural := 6;
constant PHASE_W : natural := 3;
constant CV_SIZE : natural := 2**CV_W;
constant RD_CACHE_N_WORDS : natural := 2**RD_CACHE_N_WORDS_W;
constant WF_SIZE_W : natural := PHASE_W + CV_W;
-- A WF will be executed on the PEs of a single CV withen PAHSE_LEN cycels
constant WG_SIZE_W : natural := WF_SIZE_W + N_WF_CU_W;
-- A WG must be executed on a single CV. It contains a number of WFs which is at maximum the amount that can be managed within a CV
constant RTM_ADDR_W : natural := 1+2+N_WF_CU_W+PHASE_W; -- 1+2+3+3 = 9bit
-- The MSB if select between local indcs or other information
-- The lower 2 MSBs for d0, d1 or d2. The middle N_WF_CU_W are for the WF index with the CV. The lower LSBs are for the phase index
constant RTM_DATA_W : natural := CV_SIZE*WG_SIZE_W; -- Bitwidth of RTM data ports
constant BURST_W : natural := BURST_WORDS_W - GMEM_N_BANK_W; -- burst width in number of transfers on the axi bus
constant RD_FIFO_N_BURSTS_W : natural := 1;
constant RD_FIFO_W : natural := BURST_W + RD_FIFO_N_BURSTS_W;
constant N_TAG_MANAGERS : natural := 2**N_TAG_MANAGERS_W;
constant N_AXI : natural := 2**N_AXI_W;
constant N_WR_FIFOS_AXI_W : natural := N_TAG_MANAGERS_W-N_AXI_W;
constant INTERFCE_W_ADDR_W : natural := 14;
constant CRAM_ADDR_W : natural := 12; -- TODO
constant DATA_W : natural := 32;
constant BRAM18kb32b_ADDR_W : natural := 9;
constant BRAM36kb64b_ADDR_W : natural := 9;
constant BRAM36kb_ADDR_W : natural := 10;
constant INST_FIFO_PRE_LEN : natural := 8;
constant CV_INST_FIFO_W : natural := 3;
constant LOC_MEM_W : natural := BRAM18kb32b_ADDR_W;
constant N_PARAMS_W : natural := 4;
constant GMEM_ADDR_W : natural := 32;
constant WI_REG_ADDR_W : natural := 5;
constant N_REG_BLOCKS_W : natural := 2;
constant REG_FILE_BLOCK_W : natural := PHASE_W+WI_REG_ADDR_W+N_WF_CU_W-N_REG_BLOCKS_W; -- default=3+5+3-2=9
constant N_WR_FIFOS_W : natural := N_WR_FIFOS_AXI_W + N_AXI_W;
constant N_WR_FIFOS_AXI : natural := 2**N_WR_FIFOS_AXI_W;
constant N_WR_FIFOS : natural := 2**N_WR_FIFOS_W;
constant STAT : natural := 1;
constant STAT_LOAD : natural := 0;
-- cache & gmem controller constants
constant BRMEM_ADDR_W : natural := BRAM36kb_ADDR_W; -- default=10
constant N_RD_PORTS : natural := 4;
constant N : natural := CACHE_N_BANKS_W; -- max. 3
constant L : natural := BURST_WORDS_W-N; -- min. 2
constant M : natural := BRMEM_ADDR_W - L; -- max. 8
-- L+M = BMEM_ADDR_W = 10 = #address bits of a BRAM
-- cache size = 2^(N+L+M) words; max.=8*4KB=32KB
constant N_RECEIVERS_CU : natural := 2**N_RECEIVERS_CU_W;
constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W;
constant N_RECEIVERS : natural := 2**N_RECEIVERS_W;
constant N_CU_STATIONS_W : natural := 6;
constant GMEM_WORD_ADDR_W : natural := GMEM_ADDR_W - 2;
constant TAG_W : natural := GMEM_WORD_ADDR_W -M -L -N;
constant GMEM_N_BANK : natural := 2**GMEM_N_BANK_W;
constant CACHE_N_BANKS : natural := 2**CACHE_N_BANKS_W;
constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W;
constant N_REG_BLOCKS : natural := 2**N_REG_BLOCKS_W;
constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W;
constant REG_FILE_SIZE : natural := 2**REG_ADDR_W;
constant REG_FILE_BLOCK_SIZE : natural := 2**REG_FILE_BLOCK_W;
constant GMEM_DATA_W : natural := GMEM_N_BANK * DATA_W;
constant N_PARAMS : natural := 2**N_PARAMS_W;
constant LOC_MEM_SIZE : natural := 2**LOC_MEM_W;
constant PHASE_LEN : natural := 2**PHASE_W;
constant CV_INST_FIFO_SIZE : natural := 2**CV_INST_FIFO_W;
constant N_CU : natural := 2**N_CU_W;
constant N_WF_CU : natural := 2**N_WF_CU_W;
constant WF_SIZE : natural := 2**WF_SIZE_W;
constant CRAM_SIZE : natural := 2**CRAM_ADDR_W;
constant RTM_SIZE : natural := 2**RTM_ADDR_W;
constant BRAM18kb_SIZE : natural := 2**BRAM18kb32b_ADDR_W;
constant regFile_addr : natural := 2**(INTERFCE_W_ADDR_W-1); -- "10" of the address msbs to choose the register file
constant Rstat_addr : natural := regFile_addr + 0; --address of status register in the register file
constant Rstart_addr : natural := regFile_addr + 1; --address of stat register in the register file
constant RcleanCache_addr : natural := regFile_addr + 2; --address of cleanCache register in the register file
constant RInitiate_addr : natural := regFile_addr + 3; --address of cleanCache register in the register file
constant Rstat_regFile_addr : natural := 0; --address of status register in the register file
constant Rstart_regFile_addr : natural := 1; --address of stat register in the register file
constant RcleanCache_regFile_addr : natural := 2; --address of cleanCache register in the register file
constant RInitiate_regFile_addr : natural := 3; --address of initiate register in the register file
constant N_REG_W : natural := 2;
constant PARAMS_ADDR_LOC_MEM_OFFSET : natural := LOC_MEM_SIZE - N_PARAMS;
-- constant GMEM_RQST_BUS_W : natural := GMEM_DATA_W;
-- new kernel descriptor ----------------------------------------------------------------
constant NEW_KRNL_DESC_W : natural := 5; -- length of the kernel's descripto
constant NEW_KRNL_INDX_W : natural := 4; -- bitwidth of number of kernels that can be started
constant NEW_KRNL_DESC_LEN : natural := 12;
constant WG_MAX_SIZE : natural := 2**WG_SIZE_W;
constant NEW_KRNL_DESC_MAX_LEN : natural := 2**NEW_KRNL_DESC_W;
constant NEW_KRNL_MAX_INDX : natural := 2**NEW_KRNL_INDX_W;
constant KRNL_SCH_ADDR_W : natural := NEW_KRNL_DESC_W + NEW_KRNL_INDX_W;
constant NEW_KRNL_DESC_N_WF : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 0;
constant NEW_KRNL_DESC_ID0_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 1;
constant NEW_KRNL_DESC_ID1_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 2;
constant NEW_KRNL_DESC_ID2_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 3;
constant NEW_KRNL_DESC_ID0_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 4;
constant NEW_KRNL_DESC_ID1_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 5;
constant NEW_KRNL_DESC_ID2_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 6;
constant NEW_KRNL_DESC_WG_SIZE : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 7;
constant NEW_KRNL_DESC_N_WG_0 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 8;
constant NEW_KRNL_DESC_N_WG_1 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 9;
constant NEW_KRNL_DESC_N_WG_2 : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 10;
constant NEW_KRNL_DESC_N_PARAMS : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 11;
constant PARAMS_OFFSET : natural range 0 to NEW_KRNL_DESC_MAX_LEN-1 := 16;
constant WG_SIZE_0_OFFSET : natural := 0;
constant WG_SIZE_1_OFFSET : natural := 10;
constant WG_SIZE_2_OFFSET : natural := 20;
constant N_DIM_OFFSET : natural := 30;
constant ADDR_FIRST_INST_OFFSET : natural := 0;
constant ADDR_LAST_INST_OFFSET : natural := 14;
constant N_WF_OFFSET : natural := 28;
constant N_WG_0_OFFSET : natural := 16;
constant N_WG_1_OFFSET : natural := 0;
constant N_WG_2_OFFSET : natural := 16;
constant WG_SIZE_OFFSET : natural := 0;
constant N_PARAMS_OFFSET : natural := 28;
type cram_type is array (2**CRAM_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type slv32_array is array (natural range<>) of std_logic_vector(DATA_W-1 downto 0);
type krnl_scheduler_ram_TYPE is array (2**KRNL_SCH_ADDR_W-1 downto 0) of std_logic_vector (DATA_W-1 downto 0);
type cram_addr_array is array (natural range <>) of unsigned(CRAM_ADDR_W-1 downto 0); -- range 0 to CRAM_SIZE-1;
type rtm_ram_type is array (natural range <>) of unsigned(RTM_DATA_W-1 downto 0);
type gmem_addr_array is array (natural range<>) of unsigned(GMEM_ADDR_W-1 downto 0);
type op_arith_shift_type is (op_add, op_lw, op_mult, op_bra, op_shift, op_slt, op_mov, op_ato, op_lmem);
type op_logical_type is (op_andi, op_and, op_ori, op_or, op_xor, op_xori, op_nor);
type be_array is array(natural range <>) of std_logic_vector(DATA_W/8-1 downto 0);
type gmem_be_array is array(natural range <>) of std_logic_vector(GMEM_N_BANK*DATA_W/8-1 downto 0);
type sl_array is array(natural range <>) of std_logic;
type nat_array is array(natural range <>) of natural;
type nat_2d_array is array(natural range <>, natural range <>) of natural;
type reg_addr_array is array (natural range <>) of unsigned(REG_FILE_W-1 downto 0);
type gmem_word_addr_array is array(natural range <>) of unsigned(GMEM_WORD_ADDR_W-1 downto 0);
type gmem_addr_array_no_bank is array (natural range <>) of unsigned(GMEM_WORD_ADDR_W-CACHE_N_BANKS_W-1 downto 0);
type alu_en_vec_type is array(natural range <>) of std_logic_vector(CV_SIZE-1 downto 0);
type alu_en_rdAddr_type is array(natural range <>) of unsigned(PHASE_W+N_WF_CU_W-1 downto 0);
type tag_array is array (natural range <>) of unsigned(TAG_W-1 downto 0);
type gmem_word_array is array (natural range <>) of std_logic_vector(DATA_W*GMEM_N_BANK-1 downto 0);
type wf_active_array is array (natural range <>) of std_logic_vector(N_WF_CU-1 downto 0);
type cache_addr_array is array(natural range <>) of unsigned(M+L-1 downto 0);
type cache_word_array is array(natural range <>) of std_logic_vector(CACHE_N_BANKS*DATA_W-1 downto 0);
type tag_addr_array is array(natural range <>) of unsigned(M-1 downto 0);
type reg_file_block_array is array(natural range<>) of unsigned(REG_FILE_BLOCK_W-1 downto 0);
type id_array is array(natural range<>) of std_logic_vector(ID_WIDTH-1 downto 0);
type real_array is array (natural range <>) of real;
type atomic_sgntr_array is array (natural range <>) of std_logic_vector(N_CU_STATIONS_W-1 downto 0);
attribute max_fanout: integer;
attribute keep: string;
attribute mark_debug : string;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len: in natural; file_len: in natural) return SLV32_ARRAY;
impure function init_CRAM(file_name : in string; file_len: in natural) return cram_type;
function pri_enc(datain: in std_logic_vector) return integer;
function max (LEFT, RIGHT: integer) return integer;
function min_int (LEFT, RIGHT: integer) return integer;
function clogb2 (bit_depth : integer) return integer;
--- ISA --------------------------------------------------------------------------------------
constant FAMILY_W : natural := 4;
constant CODE_W : natural := 4;
constant IMM_ARITH_W : natural := 14;
constant IMM_W : natural := 16;
constant BRANCH_ADDR_W : natural := 14;
constant FAMILY_POS : natural := 28;
constant CODE_POS : natural := 24;
constant RD_POS : natural := 0;
constant RS_POS : natural := 5;
constant RT_POS : natural := 10;
constant IMM_POS : natural := 10;
constant DIM_POS : natural := 5;
constant PARAM_POS : natural := 5;
constant BRANCH_ADDR_POS : natural := 10;
--------------- families
constant ADD_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"1";
constant SHF_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"2";
constant LGK_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"3";
constant MOV_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"4";
constant MUL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"5";
constant BRA_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"6";
constant GLS_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"7";
constant ATO_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"8";
constant CTL_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"9";
constant RTM_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"A";
constant CND_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"B";
constant FLT_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"C";
constant LSI_FAMILY : std_logic_vector(FAMILY_W-1 downto 0) := X"D";
--------------- codes
--RTM
constant LID : std_logic_vector(CODE_W-1 downto 0) := X"0"; --upper two MSBs indicate if the operation is localdx or offsetdx
constant WGOFF : std_logic_vector(CODE_W-1 downto 0) := X"1";
constant SIZE : std_logic_vector(CODE_W-1 downto 0) := X"2";
constant WGID : std_logic_vector(CODE_W-1 downto 0) := X"3";
constant WGSIZE : std_logic_vector(CODE_W-1 downto 0) := X"4";
constant LP : std_logic_vector(CODE_W-1 downto 0) := X"8";
--ADD
constant ADD : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant SUB : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant ADDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant LI : std_logic_vector(CODE_W-1 downto 0) := "1001";
constant LUI : std_logic_vector(CODE_W-1 downto 0) := "1101";
--MUL
constant MACC : std_logic_vector(CODE_W-1 downto 0) := "1000";
--BRA
constant BEQ : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant BNE : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant JSUB : std_logic_vector(CODE_W-1 downto 0) := "0100";
--GLS
constant LW : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant SW : std_logic_vector(CODE_W-1 downto 0) := "1100";
--CTL
constant RET : std_logic_vector(CODE_W-1 downto 0) := "0010";
--SHF
constant SLLI : std_logic_vector(CODE_W-1 downto 0) := "0001";
--LGK
constant CODE_AND : std_logic_vector(CODE_W-1 downto 0) := "0000";
constant CODE_ANDI : std_logic_vector(CODE_W-1 downto 0) := "0001";
constant CODE_OR : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_ORI : std_logic_vector(CODE_W-1 downto 0) := "0011";
constant CODE_XOR : std_logic_vector(CODE_W-1 downto 0) := "0100";
constant CODE_XORI : std_logic_vector(CODE_W-1 downto 0) := "0101";
constant CODE_NOR : std_logic_vector(CODE_W-1 downto 0) := "1000";
--ATO
constant CODE_AMAX : std_logic_vector(CODE_W-1 downto 0) := "0010";
constant CODE_AADD : std_logic_vector(CODE_W-1 downto 0) := "0001";
type branch_distance_vec is array(natural range <>) of unsigned(BRANCH_ADDR_W-1 downto 0);
type code_vec_type is array(natural range <>) of std_logic_vector(CODE_W-1 downto 0);
type atomic_type_vec_type is array(natural range <>) of std_logic_vector(2 downto 0);
end FGPU_definitions;
package body FGPU_definitions is
-- function called clogb2 that returns an integer which has the
--value of the ceiling of the log base 2
function clogb2 (bit_depth : integer) return integer is
variable depth : integer := bit_depth;
variable count : integer := 1;
begin
for clogb2 in 1 to bit_depth loop -- Works for up to 32 bit integers
if (bit_depth <= 2) then
count := 1;
else
if(depth <= 1) then
count := count;
else
depth := depth / 2;
count := count + 1;
end if;
end if;
end loop;
return(count);
end;
impure function init_krnl_ram(file_name : in string) return KRNL_SCHEDULER_RAM_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_bv : bit_vector(DATA_W-1 downto 0);
variable temp_mem : KRNL_SCHEDULER_RAM_type;
begin
for i in 0 to 16*32-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
-- read(init_line, temp_bv);
-- temp_mem(i) := to_stdlogicvector(temp_bv);
end loop;
return temp_mem;
end function;
function max (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return LEFT;
else return RIGHT;
end if;
end max;
function min_int (LEFT, RIGHT: integer) return integer is
begin
if LEFT > RIGHT then return RIGHT;
else return LEFT;
end if;
end min_int;
impure function init_CRAM(file_name : in string; file_len : in natural) return cram_type is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable cram : cram_type;
-- variable tmp: std_logic_vector(DATA_W-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, cram(i)); -- vivado breaks when synthesizing hread(init_line, cram(0)(i)) without giving any indication about the error
-- cram(i) := tmp;
-- if CRAM_BLOCKS > 1 then
-- for j in 1 to max(1,CRAM_BLOCKS-1) loop
-- cram(j)(i) := cram(0)(i);
-- end loop;
-- end if;
end loop;
return cram;
end function;
impure function init_SLV32_ARRAY_from_file(file_name : in string; len : in natural; file_len : in natural) return SLV32_ARRAY is
file init_file : text open read_mode is file_name;
variable init_line : line;
variable temp_mem : SLV32_ARRAY(len-1 downto 0);
begin
for i in 0 to file_len-1 loop
readline(init_file, init_line);
hread(init_line, temp_mem(i));
end loop;
return temp_mem;
end function;
function pri_enc(datain: in std_logic_vector) return integer is
variable res : integer range 0 to datain'high;
begin
res := 0;
for i in datain'high downto 1 loop
if datain(i) = '1' then
res := i;
end if;
end loop;
return res;
end function;
end FGPU_definitions;
| gpl-3.0 | c5638b1cf009292e0cff592f8a3ca1c4 | 0.567707 | 3.729005 | false | false | false | false |
dtysky/LD3320_AXI | src/VOICE_ROM_INIT/synth/VOICE_ROM_INIT.vhd | 1 | 13,888 | -- (c) Copyright 1995-2014 Xilinx, Inc. All rights reserved.
--
-- This file contains confidential and proprietary information
-- of Xilinx, Inc. and is protected under U.S. and
-- international copyright and other intellectual property
-- laws.
--
-- DISCLAIMER
-- This disclaimer is not a license and does not grant any
-- rights to the materials distributed herewith. Except as
-- otherwise provided in a valid license issued to you by
-- Xilinx, and to the maximum extent permitted by applicable
-- law: (1) THESE MATERIALS ARE MADE AVAILABLE "AS IS" AND
-- WITH ALL FAULTS, AND XILINX HEREBY DISCLAIMS ALL WARRANTIES
-- AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY, INCLUDING
-- BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NON-
-- INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE; and
-- (2) Xilinx shall not be liable (whether in contract or tort,
-- including negligence, or under any other theory of
-- liability) for any loss or damage of any kind or nature
-- related to, arising under or in connection with these
-- materials, including for any direct, or any indirect,
-- special, incidental, or consequential loss or damage
-- (including loss of data, profits, goodwill, or any type of
-- loss or damage suffered as a result of any action brought
-- by a third party) even if such damage or loss was
-- reasonably foreseeable or Xilinx had been advised of the
-- possibility of the same.
--
-- CRITICAL APPLICATIONS
-- Xilinx products are not designed or intended to be fail-
-- safe, or for use in any application requiring fail-safe
-- performance, such as life-support or safety devices or
-- systems, Class III medical devices, nuclear facilities,
-- applications related to the deployment of airbags, or any
-- other applications that could lead to death, personal
-- injury, or severe property or environmental damage
-- (individually and collectively, "Critical
-- Applications"). Customer assumes the sole risk and
-- liability of any use of Xilinx products in Critical
-- Applications, subject only to applicable laws and
-- regulations governing limitations on product liability.
--
-- THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS
-- PART OF THIS FILE AT ALL TIMES.
--
-- DO NOT MODIFY THIS FILE.
-- IP VLNV: xilinx.com:ip:blk_mem_gen:8.2
-- IP Revision: 1
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
LIBRARY blk_mem_gen_v8_2;
USE blk_mem_gen_v8_2.blk_mem_gen_v8_2;
ENTITY VOICE_ROM_INIT IS
PORT (
clka : IN STD_LOGIC;
wea : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
addra : IN STD_LOGIC_VECTOR(5 DOWNTO 0);
dina : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
clkb : IN STD_LOGIC;
addrb : IN STD_LOGIC_VECTOR(5 DOWNTO 0);
doutb : OUT STD_LOGIC_VECTOR(15 DOWNTO 0)
);
END VOICE_ROM_INIT;
ARCHITECTURE VOICE_ROM_INIT_arch OF VOICE_ROM_INIT IS
ATTRIBUTE DowngradeIPIdentifiedWarnings : string;
ATTRIBUTE DowngradeIPIdentifiedWarnings OF VOICE_ROM_INIT_arch: ARCHITECTURE IS "yes";
COMPONENT blk_mem_gen_v8_2 IS
GENERIC (
C_FAMILY : STRING;
C_XDEVICEFAMILY : STRING;
C_ELABORATION_DIR : STRING;
C_INTERFACE_TYPE : INTEGER;
C_AXI_TYPE : INTEGER;
C_AXI_SLAVE_TYPE : INTEGER;
C_USE_BRAM_BLOCK : INTEGER;
C_ENABLE_32BIT_ADDRESS : INTEGER;
C_CTRL_ECC_ALGO : STRING;
C_HAS_AXI_ID : INTEGER;
C_AXI_ID_WIDTH : INTEGER;
C_MEM_TYPE : INTEGER;
C_BYTE_SIZE : INTEGER;
C_ALGORITHM : INTEGER;
C_PRIM_TYPE : INTEGER;
C_LOAD_INIT_FILE : INTEGER;
C_INIT_FILE_NAME : STRING;
C_INIT_FILE : STRING;
C_USE_DEFAULT_DATA : INTEGER;
C_DEFAULT_DATA : STRING;
C_HAS_RSTA : INTEGER;
C_RST_PRIORITY_A : STRING;
C_RSTRAM_A : INTEGER;
C_INITA_VAL : STRING;
C_HAS_ENA : INTEGER;
C_HAS_REGCEA : INTEGER;
C_USE_BYTE_WEA : INTEGER;
C_WEA_WIDTH : INTEGER;
C_WRITE_MODE_A : STRING;
C_WRITE_WIDTH_A : INTEGER;
C_READ_WIDTH_A : INTEGER;
C_WRITE_DEPTH_A : INTEGER;
C_READ_DEPTH_A : INTEGER;
C_ADDRA_WIDTH : INTEGER;
C_HAS_RSTB : INTEGER;
C_RST_PRIORITY_B : STRING;
C_RSTRAM_B : INTEGER;
C_INITB_VAL : STRING;
C_HAS_ENB : INTEGER;
C_HAS_REGCEB : INTEGER;
C_USE_BYTE_WEB : INTEGER;
C_WEB_WIDTH : INTEGER;
C_WRITE_MODE_B : STRING;
C_WRITE_WIDTH_B : INTEGER;
C_READ_WIDTH_B : INTEGER;
C_WRITE_DEPTH_B : INTEGER;
C_READ_DEPTH_B : INTEGER;
C_ADDRB_WIDTH : INTEGER;
C_HAS_MEM_OUTPUT_REGS_A : INTEGER;
C_HAS_MEM_OUTPUT_REGS_B : INTEGER;
C_HAS_MUX_OUTPUT_REGS_A : INTEGER;
C_HAS_MUX_OUTPUT_REGS_B : INTEGER;
C_MUX_PIPELINE_STAGES : INTEGER;
C_HAS_SOFTECC_INPUT_REGS_A : INTEGER;
C_HAS_SOFTECC_OUTPUT_REGS_B : INTEGER;
C_USE_SOFTECC : INTEGER;
C_USE_ECC : INTEGER;
C_EN_ECC_PIPE : INTEGER;
C_HAS_INJECTERR : INTEGER;
C_SIM_COLLISION_CHECK : STRING;
C_COMMON_CLK : INTEGER;
C_DISABLE_WARN_BHV_COLL : INTEGER;
C_EN_SLEEP_PIN : INTEGER;
C_DISABLE_WARN_BHV_RANGE : INTEGER;
C_COUNT_36K_BRAM : STRING;
C_COUNT_18K_BRAM : STRING;
C_EST_POWER_SUMMARY : STRING
);
PORT (
clka : IN STD_LOGIC;
rsta : IN STD_LOGIC;
ena : IN STD_LOGIC;
regcea : IN STD_LOGIC;
wea : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
addra : IN STD_LOGIC_VECTOR(5 DOWNTO 0);
dina : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
douta : OUT STD_LOGIC_VECTOR(15 DOWNTO 0);
clkb : IN STD_LOGIC;
rstb : IN STD_LOGIC;
enb : IN STD_LOGIC;
regceb : IN STD_LOGIC;
web : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
addrb : IN STD_LOGIC_VECTOR(5 DOWNTO 0);
dinb : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
doutb : OUT STD_LOGIC_VECTOR(15 DOWNTO 0);
injectsbiterr : IN STD_LOGIC;
injectdbiterr : IN STD_LOGIC;
eccpipece : IN STD_LOGIC;
sbiterr : OUT STD_LOGIC;
dbiterr : OUT STD_LOGIC;
rdaddrecc : OUT STD_LOGIC_VECTOR(5 DOWNTO 0);
sleep : IN STD_LOGIC;
s_aclk : IN STD_LOGIC;
s_aresetn : IN STD_LOGIC;
s_axi_awid : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_awaddr : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axi_awlen : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axi_awsize : IN STD_LOGIC_VECTOR(2 DOWNTO 0);
s_axi_awburst : IN STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_awvalid : IN STD_LOGIC;
s_axi_awready : OUT STD_LOGIC;
s_axi_wdata : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
s_axi_wstrb : IN STD_LOGIC_VECTOR(0 DOWNTO 0);
s_axi_wlast : IN STD_LOGIC;
s_axi_wvalid : IN STD_LOGIC;
s_axi_wready : OUT STD_LOGIC;
s_axi_bid : OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_bresp : OUT STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_bvalid : OUT STD_LOGIC;
s_axi_bready : IN STD_LOGIC;
s_axi_arid : IN STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_araddr : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
s_axi_arlen : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
s_axi_arsize : IN STD_LOGIC_VECTOR(2 DOWNTO 0);
s_axi_arburst : IN STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_arvalid : IN STD_LOGIC;
s_axi_arready : OUT STD_LOGIC;
s_axi_rid : OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
s_axi_rdata : OUT STD_LOGIC_VECTOR(15 DOWNTO 0);
s_axi_rresp : OUT STD_LOGIC_VECTOR(1 DOWNTO 0);
s_axi_rlast : OUT STD_LOGIC;
s_axi_rvalid : OUT STD_LOGIC;
s_axi_rready : IN STD_LOGIC;
s_axi_injectsbiterr : IN STD_LOGIC;
s_axi_injectdbiterr : IN STD_LOGIC;
s_axi_sbiterr : OUT STD_LOGIC;
s_axi_dbiterr : OUT STD_LOGIC;
s_axi_rdaddrecc : OUT STD_LOGIC_VECTOR(5 DOWNTO 0)
);
END COMPONENT blk_mem_gen_v8_2;
ATTRIBUTE X_CORE_INFO : STRING;
ATTRIBUTE X_CORE_INFO OF VOICE_ROM_INIT_arch: ARCHITECTURE IS "blk_mem_gen_v8_2,Vivado 2014.2";
ATTRIBUTE CHECK_LICENSE_TYPE : STRING;
ATTRIBUTE CHECK_LICENSE_TYPE OF VOICE_ROM_INIT_arch : ARCHITECTURE IS "VOICE_ROM_INIT,blk_mem_gen_v8_2,{}";
ATTRIBUTE CORE_GENERATION_INFO : STRING;
ATTRIBUTE CORE_GENERATION_INFO OF VOICE_ROM_INIT_arch: ARCHITECTURE IS "VOICE_ROM_INIT,blk_mem_gen_v8_2,{x_ipProduct=Vivado 2014.2,x_ipVendor=xilinx.com,x_ipLibrary=ip,x_ipName=blk_mem_gen,x_ipVersion=8.2,x_ipCoreRevision=1,x_ipLanguage=VERILOG,C_FAMILY=zynq,C_XDEVICEFAMILY=zynq,C_ELABORATION_DIR=./,C_INTERFACE_TYPE=0,C_AXI_TYPE=1,C_AXI_SLAVE_TYPE=0,C_USE_BRAM_BLOCK=0,C_ENABLE_32BIT_ADDRESS=0,C_CTRL_ECC_ALGO=NONE,C_HAS_AXI_ID=0,C_AXI_ID_WIDTH=4,C_MEM_TYPE=1,C_BYTE_SIZE=9,C_ALGORITHM=1,C_PRIM_TYPE=1,C_LOAD_INIT_FILE=0,C_INIT_FILE_NAME=no_coe_file_loaded,C_INIT_FILE=VOICE_ROM_INIT.mem,C_USE_DEFAULT_DATA=0,C_DEFAULT_DATA=0,C_HAS_RSTA=0,C_RST_PRIORITY_A=CE,C_RSTRAM_A=0,C_INITA_VAL=0,C_HAS_ENA=0,C_HAS_REGCEA=0,C_USE_BYTE_WEA=0,C_WEA_WIDTH=1,C_WRITE_MODE_A=WRITE_FIRST,C_WRITE_WIDTH_A=16,C_READ_WIDTH_A=16,C_WRITE_DEPTH_A=64,C_READ_DEPTH_A=64,C_ADDRA_WIDTH=6,C_HAS_RSTB=0,C_RST_PRIORITY_B=CE,C_RSTRAM_B=0,C_INITB_VAL=0,C_HAS_ENB=0,C_HAS_REGCEB=0,C_USE_BYTE_WEB=0,C_WEB_WIDTH=1,C_WRITE_MODE_B=WRITE_FIRST,C_WRITE_WIDTH_B=16,C_READ_WIDTH_B=16,C_WRITE_DEPTH_B=64,C_READ_DEPTH_B=64,C_ADDRB_WIDTH=6,C_HAS_MEM_OUTPUT_REGS_A=0,C_HAS_MEM_OUTPUT_REGS_B=0,C_HAS_MUX_OUTPUT_REGS_A=0,C_HAS_MUX_OUTPUT_REGS_B=0,C_MUX_PIPELINE_STAGES=0,C_HAS_SOFTECC_INPUT_REGS_A=0,C_HAS_SOFTECC_OUTPUT_REGS_B=0,C_USE_SOFTECC=0,C_USE_ECC=0,C_EN_ECC_PIPE=0,C_HAS_INJECTERR=0,C_SIM_COLLISION_CHECK=ALL,C_COMMON_CLK=0,C_DISABLE_WARN_BHV_COLL=0,C_EN_SLEEP_PIN=0,C_DISABLE_WARN_BHV_RANGE=0,C_COUNT_36K_BRAM=0,C_COUNT_18K_BRAM=1,C_EST_POWER_SUMMARY=Estimated Power for IP _ 3.01735 mW}";
ATTRIBUTE X_INTERFACE_INFO : STRING;
ATTRIBUTE X_INTERFACE_INFO OF clka: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA CLK";
ATTRIBUTE X_INTERFACE_INFO OF wea: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA WE";
ATTRIBUTE X_INTERFACE_INFO OF addra: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA ADDR";
ATTRIBUTE X_INTERFACE_INFO OF dina: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTA DIN";
ATTRIBUTE X_INTERFACE_INFO OF clkb: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTB CLK";
ATTRIBUTE X_INTERFACE_INFO OF addrb: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTB ADDR";
ATTRIBUTE X_INTERFACE_INFO OF doutb: SIGNAL IS "xilinx.com:interface:bram:1.0 BRAM_PORTB DOUT";
BEGIN
U0 : blk_mem_gen_v8_2
GENERIC MAP (
C_FAMILY => "zynq",
C_XDEVICEFAMILY => "zynq",
C_ELABORATION_DIR => "./",
C_INTERFACE_TYPE => 0,
C_AXI_TYPE => 1,
C_AXI_SLAVE_TYPE => 0,
C_USE_BRAM_BLOCK => 0,
C_ENABLE_32BIT_ADDRESS => 0,
C_CTRL_ECC_ALGO => "NONE",
C_HAS_AXI_ID => 0,
C_AXI_ID_WIDTH => 4,
C_MEM_TYPE => 1,
C_BYTE_SIZE => 9,
C_ALGORITHM => 1,
C_PRIM_TYPE => 1,
C_LOAD_INIT_FILE => 0,
C_INIT_FILE_NAME => "no_coe_file_loaded",
C_INIT_FILE => "VOICE_ROM_INIT.mem",
C_USE_DEFAULT_DATA => 0,
C_DEFAULT_DATA => "0",
C_HAS_RSTA => 0,
C_RST_PRIORITY_A => "CE",
C_RSTRAM_A => 0,
C_INITA_VAL => "0",
C_HAS_ENA => 0,
C_HAS_REGCEA => 0,
C_USE_BYTE_WEA => 0,
C_WEA_WIDTH => 1,
C_WRITE_MODE_A => "WRITE_FIRST",
C_WRITE_WIDTH_A => 16,
C_READ_WIDTH_A => 16,
C_WRITE_DEPTH_A => 64,
C_READ_DEPTH_A => 64,
C_ADDRA_WIDTH => 6,
C_HAS_RSTB => 0,
C_RST_PRIORITY_B => "CE",
C_RSTRAM_B => 0,
C_INITB_VAL => "0",
C_HAS_ENB => 0,
C_HAS_REGCEB => 0,
C_USE_BYTE_WEB => 0,
C_WEB_WIDTH => 1,
C_WRITE_MODE_B => "WRITE_FIRST",
C_WRITE_WIDTH_B => 16,
C_READ_WIDTH_B => 16,
C_WRITE_DEPTH_B => 64,
C_READ_DEPTH_B => 64,
C_ADDRB_WIDTH => 6,
C_HAS_MEM_OUTPUT_REGS_A => 0,
C_HAS_MEM_OUTPUT_REGS_B => 0,
C_HAS_MUX_OUTPUT_REGS_A => 0,
C_HAS_MUX_OUTPUT_REGS_B => 0,
C_MUX_PIPELINE_STAGES => 0,
C_HAS_SOFTECC_INPUT_REGS_A => 0,
C_HAS_SOFTECC_OUTPUT_REGS_B => 0,
C_USE_SOFTECC => 0,
C_USE_ECC => 0,
C_EN_ECC_PIPE => 0,
C_HAS_INJECTERR => 0,
C_SIM_COLLISION_CHECK => "ALL",
C_COMMON_CLK => 0,
C_DISABLE_WARN_BHV_COLL => 0,
C_EN_SLEEP_PIN => 0,
C_DISABLE_WARN_BHV_RANGE => 0,
C_COUNT_36K_BRAM => "0",
C_COUNT_18K_BRAM => "1",
C_EST_POWER_SUMMARY => "Estimated Power for IP : 3.01735 mW"
)
PORT MAP (
clka => clka,
rsta => '0',
ena => '0',
regcea => '0',
wea => wea,
addra => addra,
dina => dina,
clkb => clkb,
rstb => '0',
enb => '0',
regceb => '0',
web => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
addrb => addrb,
dinb => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 16)),
doutb => doutb,
injectsbiterr => '0',
injectdbiterr => '0',
eccpipece => '0',
sleep => '0',
s_aclk => '0',
s_aresetn => '0',
s_axi_awid => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 4)),
s_axi_awaddr => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 32)),
s_axi_awlen => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
s_axi_awsize => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 3)),
s_axi_awburst => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 2)),
s_axi_awvalid => '0',
s_axi_wdata => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 16)),
s_axi_wstrb => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 1)),
s_axi_wlast => '0',
s_axi_wvalid => '0',
s_axi_bready => '0',
s_axi_arid => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 4)),
s_axi_araddr => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 32)),
s_axi_arlen => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 8)),
s_axi_arsize => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 3)),
s_axi_arburst => STD_LOGIC_VECTOR(TO_UNSIGNED(0, 2)),
s_axi_arvalid => '0',
s_axi_rready => '0',
s_axi_injectsbiterr => '0',
s_axi_injectdbiterr => '0'
);
END VOICE_ROM_INIT_arch;
| mit | 55c629036c4a6883a57c195a28c96620 | 0.630328 | 3.03895 | false | false | false | false |
dtysky/LD3320_AXI | hdl/VOICE_DELAY.vhd | 2 | 889 | library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_misc.all;
use ieee.std_logic_unsigned.all;
entity VOICE_DELAY is
port
(
clk:in std_logic;
start:in std_logic:='0';
total:in std_logic_vector(7 downto 0);
finish:out std_logic:='1'
);
end entity;
architecture delayx of VOICE_DELAY is
signal delay_total:integer range 0 to 511:=0;
signal start_last:std_logic;
begin
process(clk)
variable con:integer range 0 to 400:=0;
begin
if clk'event and clk='1' then
start_last<=start;
if start_last='0' and start='1' then
con:=1;
delay_total<=conv_integer(total);
finish<='0';
end if;
if con=400 then
if delay_total=0 then
finish<='1';
con:=0;
else
delay_total<=delay_total-1;
con:=1;
end if;
elsif con>0 then
con:=con+1;
end if;
end if;
end process;
end delayx;
| mit | 3f9ffdd4bf55d4eb63ed4697c427dcc8 | 0.647919 | 2.685801 | false | false | false | false |
wltr/cern-fgclite | nanofip_fpga/src/rtl/nanofip/wf_prod_data_lgth_calc.vhd | 1 | 13,111 | --_________________________________________________________________________________________________
-- |
-- |The nanoFIP| |
-- |
-- CERN,BE/CO-HT |
--________________________________________________________________________________________________|
---------------------------------------------------------------------------------------------------
-- |
-- wf_prod_data_lgth_calc |
-- |
---------------------------------------------------------------------------------------------------
-- File wf_prod_data_lgth_calc.vhd |
-- |
-- Description Calculation of the number of bytes, after the FSS and before the FCS, that have to|
-- be transferred when a variable is produced (var_pres, var_identif, var_3, var_5) |
-- As the following figure indicates, in detail, the unit adds-up: |
-- o 1 byte RP_DAT.CTRL, |
-- o 1 byte RP_DAT.Data.PDU_TYPE, |
-- o 1 byte RP_DAT.Data.LGTH, |
-- o 1-124 RP_DAT.Data.User_Data bytes according to the variable type: |
-- - var_pres: 5 bytes |
-- - var_pres: 8 bytes |
-- - var_5 : 1 byte |
-- - var_3 : 2-124 bytes defined by the "nanoFIP User Interface,General signal"|
-- SLONE and the "nanoFIP WorldFIP Settings" input P3_LGTH, |
-- o 1 byte RP_DAT.Data.nanoFIP_status, always for a var_5 |
-- and for a var_3, if the "nanoFIP User |
-- Interface General signal"NOSTAT is negated,|
-- o 1 byte RP_DAT.Data.MPS_status, for a var_3 and a var_5 |
-- |
-- |
-- Reminder: |
-- |
-- Produced RP_DAT frame structure : |
-- ||--------------------- Data ---------------------|| |
-- ___________ ______ _______ ______ _________________ _______ _______ ___________ _______ |
-- |____FSS____|_CTRL_||__PDU__|_LGTH_|__..User-Data..__|_nstat_|__MPS__||____FCS____|__FES__| |
-- |
-- |-----P3_LGTH-----| |
-- |
-- |
-- Authors Pablo Alvarez Sanchez ([email protected]) |
-- Evangelia Gousiou ([email protected]) |
-- Date 09/12/2010 |
-- Version v0.02 |
-- Depends on wf_engine_control |
---------------- |
-- Last changes |
-- 12/2010 v0.02 EG code cleaned-up+commented |
---------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE |
-- ------------------------------------ |
-- This source file is free software; you can redistribute it and/or modify it under the terms of |
-- the GNU Lesser General Public License as published by the Free Software Foundation; either |
-- version 2.1 of the License, or (at your option) any later version. |
-- This source is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
-- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
-- See the GNU Lesser General Public License for more details. |
-- You should have received a copy of the GNU Lesser General Public License along with this |
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html |
---------------------------------------------------------------------------------------------------
--=================================================================================================
-- Libraries & Packages
--=================================================================================================
-- Standard library
library IEEE;
use IEEE.STD_LOGIC_1164.all; -- std_logic definitions
use IEEE.NUMERIC_STD.all; -- conversion functions
-- Specific library
library work;
use work.WF_PACKAGE.all; -- definitions of types, constants, entities
--=================================================================================================
-- Entity declaration for wf_prod_data_lgth_calc
--=================================================================================================
entity wf_prod_data_lgth_calc is port(
-- INPUTS
-- nanoFIP User Interface, General signals
uclk_i : in std_logic; -- 40 MHz clock
-- Signal from the wf_reset_unit
nfip_rst_i : in std_logic; -- nanoFIP internal reset
-- nanoFIP WorldFIP Settings
p3_lgth_i : in std_logic_vector (2 downto 0); -- produced var user-data length
-- User Interface, General signals
nostat_i : in std_logic; -- if negated, nFIP status is sent
slone_i : in std_logic; -- stand-alone mode
-- Signal from the wf_engine_control unit
var_i : in t_var; -- variable type that is being treated
-- OUTPUT
-- Signal to the wf_engine_control and wf_production units
prod_data_lgth_o : out std_logic_vector (7 downto 0));
end entity wf_prod_data_lgth_calc;
--=================================================================================================
-- architecture declaration
--=================================================================================================
architecture behavior of wf_prod_data_lgth_calc is
signal s_prod_data_lgth, s_p3_lgth_decoded : unsigned (7 downto 0);
--=================================================================================================
-- architecture begin
--=================================================================================================
begin
---------------------------------------------------------------------------------------------------
-- Combinatorial process data_length_calcul: calculation of the amount of bytes, after the
-- FSS and before the FCS, that have to be transferred when a variable is produced. In the case
-- of the presence, the identification and the var5 variables, the data length is predefined in the
-- WF_PACKAGE. In the case of a var3 the inputs SLONE, NOSTAT and P3_LGTH[] are accounted for the
-- calculation.
data_length_calcul: process (var_i, s_p3_lgth_decoded, slone_i, nostat_i, p3_lgth_i)
begin
s_p3_lgth_decoded <= c_P3_LGTH_TABLE (to_integer(unsigned(p3_lgth_i)));
case var_i is
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
when var_presence =>
-- data length information retrieval from the c_VARS_ARRAY matrix (WF_PACKAGE)
s_prod_data_lgth <= c_VARS_ARRAY(c_VAR_PRESENCE_INDEX).array_lgth;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
when var_identif =>
-- data length information retrieval from the c_VARS_ARRAY matrix (WF_PACKAGE)
s_prod_data_lgth <= c_VARS_ARRAY(c_VAR_IDENTIF_INDEX).array_lgth;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
when var_3 =>
-- data length calculation according to the operational mode (memory or stand-alone)
-- in slone mode 2 bytes of user-data are produced (independently of P3_LGTH)
-- to these there should be added: 1 byte CTRL
-- 1 byte PDU_TYPE
-- 1 byte LGTH
-- 1 byte MPS status
-- optionally 1 byte nFIP status
-- in memory mode the signal "s_p3_lgth_decoded" indicates the amount of user-data;
-- to these, there should be added 1 byte CTRL
-- 1 byte PDU_TYPE
-- 1 byte LGTH
-- 1 byte MPS status
-- optionally 1 byte nFIP status
if slone_i = '1' then
if nostat_i = '1' then -- 6 bytes (counting starts from 0!)
s_prod_data_lgth <= to_unsigned(5, s_prod_data_lgth'length);
else -- 7 bytes
s_prod_data_lgth <= to_unsigned(6, s_prod_data_lgth'length);
end if;
else
if nostat_i = '0' then
s_prod_data_lgth <= s_p3_lgth_decoded + 4;
else
s_prod_data_lgth <= s_p3_lgth_decoded + 3;
end if;
end if;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
when var_5 =>
-- data length information retrieval from the c_VARS_ARRAY matrix (WF_PACKAGE)
s_prod_data_lgth <= c_VARS_ARRAY(c_VAR_5_INDEX).array_lgth;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
when others =>
s_prod_data_lgth <= (others => '0');
end case;
end process;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- Registration of the output (coz of slack)
Prod_Data_Lgth_Reg: process (uclk_i)
begin
if rising_edge (uclk_i) then
if nfip_rst_i = '1' then
prod_data_lgth_o <= (others =>'0');
else
prod_data_lgth_o <= std_logic_vector (s_prod_data_lgth);
end if;
end if;
end process;
end architecture behavior;
--=================================================================================================
-- architecture end
--=================================================================================================
---------------------------------------------------------------------------------------------------
-- E N D O F F I L E
--------------------------------------------------------------------------------------------------- | mit | 12d2c083d3fae2e0cb623af9803563b7 | 0.309969 | 5.529734 | false | false | false | false |
wltr/cern-fgclite | nanofip_fpga/src/rtl/nanofip/wf_crc.vhd | 1 | 10,402 | --_________________________________________________________________________________________________
-- |
-- |The nanoFIP| |
-- |
-- CERN,BE/CO-HT |
--________________________________________________________________________________________________|
---------------------------------------------------------------------------------------------------
-- |
-- wf_crc |
-- |
---------------------------------------------------------------------------------------------------
-- File wf_crc.vhd |
-- |
-- Description The unit creates the modules for: |
-- o the generation of the CRC of serial data, |
-- o the verification of an incoming CRC syndrome. |
-- The unit is instantiated in both the wf_fd_transmitter, for the generation of the |
-- FCS field of produced RP_DAT frames, and the wf_fd_receiver for the validation of |
-- of an incoming ID_DAT or consumed RP_DAT frame. |
-- |
-- Authors Pablo Alvarez Sanchez ([email protected]) |
-- Date 23/02/2011 |
-- Version v0.04 |
-- Depends on wf_reset_unit |
-- wf_rx_deserializer |
-- wf_tx_serializer |
---------------- |
-- Last changes |
-- 07/08/2009 v0.02 PAS Entity Ports added, start of architecture content |
-- 08/2010 v0.03 EG Data_FCS_select and crc_ready_p_o signals removed, |
-- variable v_q_check_mask replaced with a signal, |
-- code cleaned-up+commented |
-- 02/2011 v0.04 EG s_q_check_mask was not in Syndrome_Verification sensitivity list! |
-- xor replaced with if(Syndrome_Verification); processes rewritten; |
-- delay on data_bit_ready_p_i removed. |
---------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE |
-- ------------------------------------ |
-- This source file is free software; you can redistribute it and/or modify it under the terms of |
-- the GNU Lesser General Public License as published by the Free Software Foundation; either |
-- version 2.1 of the License, or (at your option) any later version. |
-- This source is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
-- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
-- See the GNU Lesser General Public License for more details. |
-- You should have received a copy of the GNU Lesser General Public License along with this |
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html |
---------------------------------------------------------------------------------------------------
--=================================================================================================
-- Libraries & Packages
--=================================================================================================
-- Standard library
library IEEE;
use IEEE.STD_LOGIC_1164.all; -- std_logic definitions
use IEEE.NUMERIC_STD.all; -- conversion functions
-- Specific library
library work;
use work.WF_PACKAGE.all; -- definitions of types, constants, entities
--=================================================================================================
-- Entity declaration for wf_crc
--=================================================================================================
entity wf_crc is port(
-- INPUTS
-- nanoFIP User Interface, General signals
uclk_i : in std_logic; -- 40 MHz clock
-- Signal from the wf_reset_unit
nfip_rst_i : in std_logic; -- nanoFIP internal reset
-- Signals from the wf_rx_deserializer/ wf_tx_serializer units
data_bit_i : in std_logic; -- incoming data bit stream
data_bit_ready_p_i : in std_logic; -- indicates the sampling moment of data_bit_i
start_crc_p_i : in std_logic; -- beginning of the CRC calculation
-- OUTPUTS
-- Signal to the wf_rx_deserializer unit
crc_ok_p_o : out std_logic; -- signals a correct received CRC syndrome
-- Signal to the wf_tx_serializer unit
crc_o : out std_logic_vector (c_CRC_POLY_LGTH-1 downto 0)); -- calculated CRC
end entity wf_crc;
--=================================================================================================
-- architecture declaration
--=================================================================================================
architecture rtl of wf_crc is
signal s_q, s_q_nx : std_logic_vector (c_CRC_POLY_LGTH - 1 downto 0);
--=================================================================================================
-- architecture begin
--=================================================================================================
begin
---------------------------------------------------------------------------------------------------
-- CRC Calculation --
---------------------------------------------------------------------------------------------------
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- The Gen_16_bit_Register_and_Interconnections generator, follows the scheme of figure A.1
-- of the Annex A 61158-4-7 IEC:2007 and constructs a register of 16 master-slave flip-flops which
-- are interconnected as a linear feedback shift register.
Generate_16_bit_Register_and_Interconnections:
s_q_nx(0) <= data_bit_i xor s_q(s_q'left);
G: for I in 1 to c_CRC_GENER_POLY'left generate
s_q_nx(I) <= s_q(I-1) xor (c_CRC_GENER_POLY(I) and (data_bit_i xor s_q(s_q'left)));
end generate;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- Synchronous process CRC_calculation: the process "moves" the shift register described
-- above, for the calculation of the CRC.
CRC_calculation: process (uclk_i)
begin
if rising_edge (uclk_i) then
if nfip_rst_i = '1' then
s_q <= (others => '0');
else
if start_crc_p_i = '1' then
s_q <= (others => '1'); -- register initialization
-- (initially preset, according to the Annex)
elsif data_bit_ready_p_i = '1' then -- new bit to be considered for the CRC calculation
s_q <= s_q_nx; -- data propagation
end if;
end if;
end if;
end process;
-- -- -- -- --
crc_o <= not s_q;
---------------------------------------------------------------------------------------------------
-- CRC Verification --
---------------------------------------------------------------------------------------------------
-- During reception, the CRC is being calculated as data is arriving (same as in the transmission)
-- and at the same time it is being compared to the predefined c_CRC_VERIF_POLY. When the CRC
-- calculated from the received data matches the c_CRC_VERIF_POLY, it is implied that a correct CRC
-- word has been received for the preceded data and the signal crc_ok_p_o gives a 1 uclk-wide pulse.
crc_ok_p_o <= data_bit_ready_p_i when s_q = not c_CRC_VERIF_POLY else '0';
end architecture rtl;
--=================================================================================================
-- architecture end
--=================================================================================================
---------------------------------------------------------------------------------------------------
-- E N D O F F I L E
--------------------------------------------------------------------------------------------------- | mit | 1cc1584fdadefe0fa117264303ad4bf0 | 0.322342 | 5.947399 | false | false | false | false |
preusser/q27 | src/vhdl/top/dnk7_f5/dnk7_queens1.vhdl | 1 | 14,724 | library IEEE;
use IEEE.std_logic_1164.all;
library PoC;
use PoC.physical.all;
entity dnk7_queens1 is
generic (
-- Design Parameters
N : positive := 27;
L : positive := 2;
SOLVERS : positive := 240;
COUNT_CYCLES : boolean := false;
-- Local Clock Parameters
CLK_FREQ : FREQ := 50 MHz;
CLK_DIV : positive := 1; -- CLK_FREQ / CLK_DIV * CLK_MUL:
CLK_MUL : positive := 22; -- as fast as possible but not above 1200 MHz
-- Output Clocks
CLK_DIV_COMP : positive := 5; -- fast computation clock
CLK_DIV_SLOW : positive := 15 -- slower communication clock
);
port (
---------------------------------------------------------------------------
-- 50-MHz Input Clock
CLK_MBCLK : in std_logic;
---------------------------------------------------------------------------
-- Ring Bus
-- Input
BUS_IN_CLKP : in std_logic;
BUS_IN_CLKN : in std_logic;
BUS_IN_PRE_DAT : in std_logic_vector(8 downto 0);
BUS_IN_PRE_PUT : in std_logic;
BUS_IN_PRE_STALL : out std_logic;
BUS_IN_SOL_DAT : in std_logic_vector(8 downto 0);
BUS_IN_SOL_PUT : in std_logic;
BUS_IN_SOL_STALL : out std_logic;
-- Output
BUS_OUT_CLKP : out std_logic;
BUS_OUT_CLKN : out std_logic;
BUS_OUT_PRE_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_PRE_PUT : out std_logic;
BUS_OUT_PRE_STALL : in std_logic;
BUS_OUT_SOL_DAT : out std_logic_vector(8 downto 0);
BUS_OUT_SOL_PUT : out std_logic;
BUS_OUT_SOL_STALL : in std_logic
);
end entity dnk7_queens1;
library IEEE;
use IEEE.numeric_std.all;
library PoC;
use PoC.utils.all;
use PoC.fifo.all;
library UNISIM;
use UNISIM.vcomponents.all;
architecture rtl of dnk7_queens1 is
-- Bit Length of Pre-Placement
constant PRE_BITS : positive := 4*L*log2ceil(N)-1;
constant PRE_BYTES : positive := (PRE_BITS+7)/8;
-- FIFO Dimensioning
constant FIFO_DEPTH : positive := 5*(SOLVERS+5);
----------------------------------------------------------------------------
-- Global Control: Clocks and Resets
signal clk_comp : std_logic; -- FRESHLY generated:
signal rst_comp : std_logic; -- Fast Computation Clock
signal clk_out : std_logic; -- FRESHLY generated:
signal rst_out : std_logic; -- Slow Communication Clock (Output Side)
-----------------------------------------------------------------------------
-- Solver Chain Connectivity
signal piful : std_logic;
signal pidat : byte;
signal pieof : std_logic;
signal piput : std_logic;
signal sivld : std_logic;
signal sidat : byte;
signal sieof : std_logic;
signal sigot : std_logic;
signal poful : std_logic;
signal podat : byte;
signal poeof : std_logic;
signal poput : std_logic;
signal sovld : std_logic;
signal sodat : byte;
signal soeof : std_logic;
signal sogot : std_logic;
begin
----------------------------------------------------------------------------
-- Clock Generation
blkClock: block
-- Intermediate Clock Signals
signal clk50 : std_logic;
signal clkfb : std_logic;
signal clk_compu : std_logic;
signal clk_outu : std_logic;
begin
---------------------------------------------------------------------------
-- Freshly Generated
clk_i : BUFG
port map (
I => CLK_MBCLK,
O => clk50
);
pll : PLLE2_BASE
generic map (
CLKIN1_PERIOD => to_real(to_time(CLK_FREQ), 1 ns),
DIVCLK_DIVIDE => CLK_DIV,
CLKFBOUT_MULT => CLK_MUL,
CLKOUT0_DIVIDE => CLK_DIV_COMP,
CLKOUT1_DIVIDE => CLK_DIV_SLOW,
STARTUP_WAIT => "true"
)
port map (
RST => '0',
CLKIN1 => clk50,
CLKFBOUT => clkfb,
CLKFBIN => clkfb,
CLKOUT0 => clk_compu,
CLKOUT1 => clk_outu,
CLKOUT2 => open,
CLKOUT3 => open,
CLKOUT4 => open,
CLKOUT5 => open,
LOCKED => open,
PWRDWN => '0'
);
clk_compo : BUFG
port map (
I => clk_compu,
O => clk_comp
);
rst_comp <= '0';
clk_outo : BUFG
port map (
I => clk_outu,
O => clk_out
);
rst_out <= '0';
end block blkClock;
---------------------------------------------------------------------------
-- Solver Chain
blChain: block is
signal pful : std_logic;
signal pdat : byte;
signal peof : std_logic;
signal pput : std_logic;
begin
chain: entity work.queens_chain
generic map (
N => N,
L => L,
SOLVERS => SOLVERS,
COUNT_CYCLES => COUNT_CYCLES
)
port map (
clk => clk_comp,
rst => rst_comp,
piful => piful,
pidat => pidat,
pieof => pieof,
piput => piput,
sivld => '0',
sidat => (others => '-'),
sieof => '-',
sigot => open,
poful => pful,
podat => pdat,
poeof => peof,
poput => pput,
sovld => sovld,
sodat => sodat,
soeof => soeof,
sogot => sogot
);
-- Resync stream so that frames are taken out in one piece
sync: entity work.msg_tap
generic map (
D => PRE_BYTES
)
port map (
clk => clk_comp,
rst => rst_comp,
iful => pful,
idat => pdat,
ieof => peof,
iput => pput,
oful => poful,
odat => podat,
oeof => poeof,
oput => poput,
tful => '1',
tdat => open,
tput => open
);
end block blChain;
-----------------------------------------------------------------------------
-- Input Stream -> feeds pi(ful|dat|eof|put) and si(vld|dat|eof|got)
blkInput: block
-- Source synchronous clock domain
signal clk_in : std_logic;
signal rst_in : std_logic;
-- Incoming Bus Data Capture Registers
signal InPreDat : std_logic_vector(8 downto 0) := (others => '-');
signal InPrePut : std_logic := '0';
signal InPreCap : std_logic_vector(1 downto 0);
signal InSolDat : std_logic_vector(8 downto 0) := (others => '-');
signal InSolPut : std_logic := '0';
signal InSolCap : std_logic_vector(1 downto 0);
signal pivld : std_logic;
begin
---------------------------------------------------------------------------
-- Reading the Bus
-- Clock reconstruction
blkClock: block
signal clk_in0 : std_logic;
begin
IBUFGDS_inst : IBUFGDS
port map (
O => clk_in0,
I => BUS_IN_CLKP,
IB => BUS_IN_CLKN
);
BUFG_inst : BUFG
port map (
O => clk_in,
I => clk_in0
);
rst_in <= '0';
end block blkClock;
-- Bus Input Capture
process(clk_in)
begin
if rising_edge(clk_in) then
if rst_in = '1' then
InPreDat <= (others => '-');
InPrePut <= '0';
InSolDat <= (others => '-');
InSolPut <= '0';
else
InPreDat <= BUS_IN_PRE_DAT;
InPrePut <= BUS_IN_PRE_PUT;
InSolDat <= BUS_IN_SOL_DAT;
InSolPut <= BUS_IN_SOL_PUT;
end if;
end if;
end process;
-- Input FIFO (ic): Pre-Placements
buf_pre : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InPreCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InPrePut,
din => InPreDat,
full => open,
estate_wr => InPreCap,
clk_rd => clk_comp,
rst_rd => rst_comp,
got => piput,
dout(8) => pieof,
dout(7 downto 0) => pidat,
valid => pivld
);
piput <= pivld and not piful;
BUS_IN_PRE_STALL <= '1' when InPreCap = (InPreCap'range => '0') else '0';
-- Input FIFO (ic): Solutions
buf_sol : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64,
ESTATE_WR_BITS => InSolCap'length
)
port map (
clk_wr => clk_in,
rst_wr => rst_in,
put => InSolPut,
din => InSolDat,
full => open,
estate_wr => InSolCap,
clk_rd => clk_out,
rst_rd => rst_out,
got => sigot,
dout(8) => sieof,
dout(7 downto 0) => sidat,
valid => sivld
);
BUS_IN_SOL_STALL <= '1' when InSolCap = (InSolCap'range => '0') else '0';
end block blkInput;
blkOutput : block
begin
-------------------------------------------------------------------------
-- Output Inverted Clock
blkClock : block
signal clk_inv : std_logic;
begin
invert : ODDR
generic map(
DDR_CLK_EDGE => "OPPOSITE_EDGE",
INIT => '1',
SRTYPE => "SYNC"
)
port map (
Q => clk_inv, -- 1-bit DDR output
C => clk_out, -- 1-bit clock input
CE => '1', -- 1-bit clock enable input
D1 => '0', -- 1-bit data input (positive edge)
D2 => '1', -- 1-bit data input (negative edge)
R => rst_out, -- 1-bit reset input
S => '0' -- 1-bit set input
);
OBUFDS_inst : OBUFDS
generic map (
IOSTANDARD => "DEFAULT",
SLEW => "FAST"
)
port map (
O => BUS_OUT_CLKP,
OB => BUS_OUT_CLKN,
I => clk_inv
);
end block blkClock;
blkPre: block
-- Syncing the stall input
signal stall_s : std_logic_vector(1 downto 0) := (others => '1');
-- Output FIFO
signal pgot : std_logic;
signal pdat : std_logic_vector(8 downto 0);
signal pvld : std_logic;
-- Outgoing Output Registers
signal PreOutDat : std_logic_vector(8 downto 0) := (others => '0');
signal PreOutPut : std_logic := '0';
begin
-- Syncing stall input
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
stall_s <= (others => '1');
else
stall_s <= BUS_OUT_PRE_STALL & stall_s(stall_s'left downto 1);
end if;
end if;
end process;
-- Output FIFO (ic): Pre-Placements
fifob : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64
)
port map (
clk_wr => clk_comp,
rst_wr => rst_comp,
put => poput,
din(8) => poeof,
din(7 downto 0) => podat,
full => poful,
clk_rd => clk_out,
rst_rd => rst_out,
got => pgot,
dout => pdat,
valid => pvld
);
pgot <= pvld and not stall_s(0);
-- Output Registers
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
PreOutDat <= (others => '0');
PreOutPut <= '0';
else
PreOutDat <= pdat;
PreOutPut <= pgot;
end if;
end if;
end process;
BUS_OUT_PRE_DAT <= PreOutDat;
BUS_OUT_PRE_PUT <= PreOutPut;
end block blkPre;
blkSol: block
-- Syncing the stall input
signal stall_s : std_logic_vector(1 downto 0) := (others => '1');
-- Chain -> fifo_ic [clk_comp->clk_out]
signal soful : std_logic;
-- fifo_ic -> funnel
signal scvld : std_logic;
signal scdat : std_logic_vector(8 downto 0);
signal scgot : std_logic;
-- funnel -> fifo_glue
signal sjful : std_logic;
signal sjdat : std_logic_vector(8 downto 0);
signal sjput : std_logic;
-- fifo_glue -> output
signal sfvld : std_logic;
signal sfdat : std_logic_vector(8 downto 0);
signal sfgot : std_logic;
-- Outgoing Output Registers
signal SolOutDat : std_logic_vector(8 downto 0) := (others => '0');
signal SolOutPut : std_logic := '0';
begin
-- Syncing stall input
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
stall_s <= (others => '1');
else
stall_s <= BUS_OUT_SOL_STALL & stall_s(stall_s'left downto 1);
end if;
end if;
end process;
-- fifo_ic: clk_comp -> clk_out
fifob : fifo_ic_got
generic map (
D_BITS => 9,
MIN_DEPTH => 64
)
port map (
clk_wr => clk_comp,
rst_wr => rst_comp,
put => sogot,
din(8) => soeof,
din(7 downto 0) => sodat,
full => soful,
clk_rd => clk_out,
rst_rd => rst_out,
got => scgot,
dout => scdat,
valid => scvld
);
sogot <= sovld and not soful;
-- funnel: si* + sc* -> sj*
join: entity work.msg_funnel
generic map (
N => 2
)
port map (
clk => clk_out,
rst => rst_out,
ivld(0) => scvld,
ivld(1) => sivld,
idat(0) => scdat(7 downto 0),
idat(1) => sidat,
ieof(0) => scdat(8),
ieof(1) => sieof,
igot(0) => scgot,
igot(1) => sigot,
oful => sjful,
odat => sjdat(7 downto 0),
oeof => sjdat(8),
oput => sjput
);
-- fifo_glue
glue: fifo_glue
generic map (
D_BITS => 9
)
port map (
clk => clk_out,
rst => rst_out,
put => sjput,
di => sjdat,
ful => sjful,
vld => sfvld,
do => sfdat,
got => sfgot
);
sfgot <= sfvld and not stall_s(0);
-- Output Registers
process(clk_out)
begin
if rising_edge(clk_out) then
if rst_out = '1' then
SolOutDat <= (others => '0');
SolOutPut <= '0';
else
SolOutDat <= sfdat;
SolOutPut <= sfgot;
end if;
end if;
end process;
BUS_OUT_SOL_DAT <= SolOutDat;
BUS_OUT_SOL_PUT <= SolOutPut;
end block blkSol;
end block blkOutput;
end rtl;
| agpl-3.0 | 5c6157a2c1b6f385b24d2a38c1658c61 | 0.45633 | 3.940059 | false | false | false | false |
wltr/cern-fgclite | nanofip_fpga/src/rtl/nanofip/wf_incr_counter.vhd | 1 | 7,070 | --_________________________________________________________________________________________________
-- |
-- |The nanoFIP| |
-- |
-- CERN,BE/CO-HT |
--________________________________________________________________________________________________|
---------------------------------------------------------------------------------------------------
-- |
-- wf_incr_counter |
-- |
---------------------------------------------------------------------------------------------------
-- File wf_incr_counter.vhd |
-- Description Increasing counter with synchronous reinitialise and increase enable |
-- Authors Pablo Alvarez Sanchez ([email protected]) |
-- Evangelia Gousiou ([email protected]) |
-- Date 01/2011 |
-- Version v0.011 |
-- Depends on - |
---------------- |
-- Last changes |
-- 10/2010 EG v0.01 first version |
-- 01/2011 EG v0.011 counter_full became a constant |
---------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE |
-- ------------------------------------ |
-- This source file is free software; you can redistribute it and/or modify it under the terms of |
-- the GNU Lesser General Public License as published by the Free Software Foundation; either |
-- version 2.1 of the License, or (at your option) any later version. |
-- This source is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
-- without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
-- See the GNU Lesser General Public License for more details. |
-- You should have received a copy of the GNU Lesser General Public License along with this |
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html |
---------------------------------------------------------------------------------------------------
--=================================================================================================
-- Libraries & Packages
--=================================================================================================
-- Standard library
library IEEE;
use IEEE.STD_LOGIC_1164.all; -- std_logic definitions
use IEEE.NUMERIC_STD.all; -- conversion functions
-- Specific library
library work;
use work.WF_PACKAGE.all; -- definitions of types, constants, entities
--=================================================================================================
-- Entity declaration for wf_incr_counter
--=================================================================================================
entity wf_incr_counter is
generic(g_counter_lgth : natural := 4); -- default length
port(
-- INPUTS
-- nanoFIP User Interface general signal
uclk_i : in std_logic; -- 40 MHz clock
-- Signals from any unit
counter_incr_i : in std_logic; -- increment enable
counter_reinit_i : in std_logic; -- reinitializes counter to 0
-- OUTPUT
-- Signal to any unit
counter_o : out unsigned (g_counter_lgth-1 downto 0); -- counter
counter_is_full_o : out std_logic); -- counter full indication
-- (all bits to '1')
end entity wf_incr_counter;
--=================================================================================================
-- architecture declaration
--=================================================================================================
architecture rtl of wf_incr_counter is
constant c_COUNTER_FULL : unsigned (g_counter_lgth-1 downto 0) := (others => '1');
signal s_counter : unsigned (g_counter_lgth-1 downto 0);
--=================================================================================================
-- architecture begin
--=================================================================================================
begin
---------------------------------------------------------------------------------------------------
-- Synchronous process Incr_Counter
Incr_Counter: process (uclk_i)
begin
if rising_edge (uclk_i) then
if counter_reinit_i = '1' then
s_counter <= (others => '0');
elsif counter_incr_i = '1' then
s_counter <= s_counter + 1;
end if;
end if;
end process;
-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
counter_o <= s_counter;
counter_is_full_o <= '1' when s_counter = c_COUNTER_FULL else '0';
end architecture rtl;
--=================================================================================================
-- architecture end
--=================================================================================================
---------------------------------------------------------------------------------------------------
-- E N D O F F I L E
--------------------------------------------------------------------------------------------------- | mit | dcfc2a40e7952cda7ee5404ad8c510c1 | 0.273833 | 7.084168 | false | false | false | false |