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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;
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_SIZEWG_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 := 2N_TAG_MANAGERS_W; constant N_AXI : natural := 2N_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 := 2N_WR_FIFOS_AXI_W; constant N_WR_FIFOS : natural := 2N_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.=84KB=32KB constant N_RECEIVERS_CU : natural := 2N_RECEIVERS_CU_W; constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W; constant N_RECEIVERS : natural := 2N_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 := 2GMEM_N_BANK_W; constant CACHE_N_BANKS : natural := 2CACHE_N_BANKS_W; constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W; constant N_REG_BLOCKS : natural := 2N_REG_BLOCKS_W; constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W; constant REG_FILE_SIZE : natural := 2REG_ADDR_W; constant REG_FILE_BLOCK_SIZE : natural := 2REG_FILE_BLOCK_W; constant GMEM_DATA_W : natural := GMEM_N_BANK DATA_W; constant N_PARAMS : natural := 2N_PARAMS_W; constant LOC_MEM_SIZE : natural := 2LOC_MEM_W; constant PHASE_LEN : natural := 2PHASE_W; constant CV_INST_FIFO_SIZE : natural := 2CV_INST_FIFO_W; constant N_CU : natural := 2N_CU_W; constant N_WF_CU : natural := 2N_WF_CU_W; constant WF_SIZE : natural := 2WF_SIZE_W; constant CRAM_SIZE : natural := 2CRAM_ADDR_W; constant RTM_SIZE : natural := 2RTM_ADDR_W; constant BRAM18kb_SIZE : natural := 2BRAM18kb32b_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 := 2WG_SIZE_W; constant NEW_KRNL_DESC_MAX_LEN : natural := 2NEW_KRNL_DESC_W; constant NEW_KRNL_MAX_INDX : natural := 2NEW_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 (2CRAM_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 (2KRNL_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_BANKDATA_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_WGMEM_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_BANKSDATA_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 1632-1 loop readline(init_file, init_line); hread(init_line, temp_mem(i)); 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;
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;
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 := 2CV_W; constant RD_CACHE_N_WORDS : natural := 2RD_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_SIZEWG_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 := 2N_TAG_MANAGERS_W; constant N_AXI : natural := 2N_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 := 2N_WR_FIFOS_AXI_W; constant N_WR_FIFOS : natural := 2N_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.=84KB=32KB constant N_RECEIVERS_CU : natural := 2N_RECEIVERS_CU_W; constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W; constant N_RECEIVERS : natural := 2N_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 := 2GMEM_N_BANK_W; constant CACHE_N_BANKS : natural := 2CACHE_N_BANKS_W; constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W; constant N_REG_BLOCKS : natural := 2N_REG_BLOCKS_W; constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W; constant REG_FILE_SIZE : natural := 2REG_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 := 2N_PARAMS_W; constant LOC_MEM_SIZE : natural := 2LOC_MEM_W; constant PHASE_LEN : natural := 2PHASE_W; constant CV_INST_FIFO_SIZE : natural := 2CV_INST_FIFO_W; constant N_CU : natural := 2N_CU_W; constant N_WF_CU : natural := 2N_WF_CU_W; constant WF_SIZE : natural := 2WF_SIZE_W; constant CRAM_SIZE : natural := 2CRAM_ADDR_W; constant RTM_SIZE : natural := 2RTM_ADDR_W; constant BRAM18kb_SIZE : natural := 2BRAM18kb32b_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 := 2WG_SIZE_W; constant NEW_KRNL_DESC_MAX_LEN : natural := 2NEW_KRNL_DESC_W; constant NEW_KRNL_MAX_INDX : natural := 2NEW_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 (2CRAM_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 (2KRNL_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_BANKDATA_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_WGMEM_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_BANKSDATA_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 1632-1 loop readline(init_file, init_line); hread(init_line, temp_mem(i)); 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;
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;
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;
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 := 2CV_W; constant RD_CACHE_N_WORDS : natural := 2RD_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_SIZEWG_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 := 2N_TAG_MANAGERS_W; constant N_AXI : natural := 2N_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 := 2N_WR_FIFOS_AXI_W; constant N_WR_FIFOS : natural := 2N_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.=84KB=32KB constant N_RECEIVERS_CU : natural := 2N_RECEIVERS_CU_W; constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W; constant N_RECEIVERS : natural := 2N_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 := 2GMEM_N_BANK_W; constant CACHE_N_BANKS : natural := 2CACHE_N_BANKS_W; constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W; constant N_REG_BLOCKS : natural := 2N_REG_BLOCKS_W; constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W; constant REG_FILE_SIZE : natural := 2REG_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 := 2N_PARAMS_W; constant LOC_MEM_SIZE : natural := 2LOC_MEM_W; constant PHASE_LEN : natural := 2PHASE_W; constant CV_INST_FIFO_SIZE : natural := 2CV_INST_FIFO_W; constant N_CU : natural := 2N_CU_W; constant N_WF_CU : natural := 2N_WF_CU_W; constant WF_SIZE : natural := 2WF_SIZE_W; constant CRAM_SIZE : natural := 2CRAM_ADDR_W; constant RTM_SIZE : natural := 2RTM_ADDR_W; constant BRAM18kb_SIZE : natural := 2BRAM18kb32b_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 := 2WG_SIZE_W; constant NEW_KRNL_DESC_MAX_LEN : natural := 2NEW_KRNL_DESC_W; constant NEW_KRNL_MAX_INDX : natural := 2NEW_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 (2CRAM_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 (2KRNL_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_BANKDATA_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_WGMEM_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_BANKSDATA_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 1632-1 loop readline(init_file, init_line); hread(init_line, temp_mem(i)); 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;
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;
library ieee; use ieee.std_logic_1164.all; use ieee.numeric_std.all; library work; use work.nf_pkg.all; 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; 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;
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 := 2CV_W; constant RD_CACHE_N_WORDS : natural := 2RD_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_SIZEWG_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 := 2N_TAG_MANAGERS_W; constant N_AXI : natural := 2N_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 := 2N_WR_FIFOS_AXI_W; constant N_WR_FIFOS : natural := 2N_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.=84KB=32KB constant N_RECEIVERS_CU : natural := 2N_RECEIVERS_CU_W; constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W; constant N_RECEIVERS : natural := 2N_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 := 2GMEM_N_BANK_W; constant CACHE_N_BANKS : natural := 2CACHE_N_BANKS_W; constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W; constant N_REG_BLOCKS : natural := 2N_REG_BLOCKS_W; constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W; constant REG_FILE_SIZE : natural := 2REG_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 := 2N_PARAMS_W; constant LOC_MEM_SIZE : natural := 2LOC_MEM_W; constant PHASE_LEN : natural := 2PHASE_W; constant CV_INST_FIFO_SIZE : natural := 2CV_INST_FIFO_W; constant N_CU : natural := 2N_CU_W; constant N_WF_CU : natural := 2N_WF_CU_W; constant WF_SIZE : natural := 2WF_SIZE_W; constant CRAM_SIZE : natural := 2CRAM_ADDR_W; constant RTM_SIZE : natural := 2RTM_ADDR_W; constant BRAM18kb_SIZE : natural := 2BRAM18kb32b_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 := 2WG_SIZE_W; constant NEW_KRNL_DESC_MAX_LEN : natural := 2NEW_KRNL_DESC_W; constant NEW_KRNL_MAX_INDX : natural := 2NEW_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 (2CRAM_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 (2KRNL_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_BANKDATA_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_WGMEM_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_BANKSDATA_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 1632-1 loop readline(init_file, init_line); hread(init_line, temp_mem(i)); 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;
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;
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_SIZEWG_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 := 2N_TAG_MANAGERS_W; constant N_AXI : natural := 2N_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 := 2N_WR_FIFOS_AXI_W; constant N_WR_FIFOS : natural := 2N_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.=84KB=32KB constant N_RECEIVERS_CU : natural := 2N_RECEIVERS_CU_W; constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W; constant N_RECEIVERS : natural := 2N_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 := 2GMEM_N_BANK_W; constant CACHE_N_BANKS : natural := 2CACHE_N_BANKS_W; constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W; constant N_REG_BLOCKS : natural := 2N_REG_BLOCKS_W; constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W; constant REG_FILE_SIZE : natural := 2REG_ADDR_W; constant REG_FILE_BLOCK_SIZE : natural := 2REG_FILE_BLOCK_W; constant GMEM_DATA_W : natural := GMEM_N_BANK DATA_W; constant N_PARAMS : natural := 2N_PARAMS_W; constant LOC_MEM_SIZE : natural := 2LOC_MEM_W; constant PHASE_LEN : natural := 2PHASE_W; constant CV_INST_FIFO_SIZE : natural := 2CV_INST_FIFO_W; constant N_CU : natural := 2N_CU_W; constant N_WF_CU : natural := 2N_WF_CU_W; constant WF_SIZE : natural := 2WF_SIZE_W; constant CRAM_SIZE : natural := 2CRAM_ADDR_W; constant RTM_SIZE : natural := 2RTM_ADDR_W; constant BRAM18kb_SIZE : natural := 2BRAM18kb32b_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 := 2WG_SIZE_W; constant NEW_KRNL_DESC_MAX_LEN : natural := 2NEW_KRNL_DESC_W; constant NEW_KRNL_MAX_INDX : natural := 2NEW_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 (2CRAM_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 (2KRNL_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_BANKDATA_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_WGMEM_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_BANKSDATA_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 1632-1 loop readline(init_file, init_line); hread(init_line, temp_mem(i)); 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;
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 function counts(clk_freq, ser_freq : integer) return integer is variable tmp : integer := (clk_freq1_000_000)/ser_freq; begin if abs(Real(clk_freq1_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;
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;
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 := 2CV_W; constant RD_CACHE_N_WORDS : natural := 2RD_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_SIZEWG_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 := 2N_TAG_MANAGERS_W; constant N_AXI : natural := 2N_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 := 2N_WR_FIFOS_AXI_W; constant N_WR_FIFOS : natural := 2N_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.=84KB=32KB constant N_RECEIVERS_CU : natural := 2N_RECEIVERS_CU_W; constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W; constant N_RECEIVERS : natural := 2N_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 := 2GMEM_N_BANK_W; constant CACHE_N_BANKS : natural := 2CACHE_N_BANKS_W; constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W; constant N_REG_BLOCKS : natural := 2N_REG_BLOCKS_W; constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W; constant REG_FILE_SIZE : natural := 2REG_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 := 2N_PARAMS_W; constant LOC_MEM_SIZE : natural := 2LOC_MEM_W; constant PHASE_LEN : natural := 2PHASE_W; constant CV_INST_FIFO_SIZE : natural := 2CV_INST_FIFO_W; constant N_CU : natural := 2N_CU_W; constant N_WF_CU : natural := 2N_WF_CU_W; constant WF_SIZE : natural := 2WF_SIZE_W; constant CRAM_SIZE : natural := 2CRAM_ADDR_W; constant RTM_SIZE : natural := 2RTM_ADDR_W; constant BRAM18kb_SIZE : natural := 2BRAM18kb32b_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 := 2WG_SIZE_W; constant NEW_KRNL_DESC_MAX_LEN : natural := 2NEW_KRNL_DESC_W; constant NEW_KRNL_MAX_INDX : natural := 2NEW_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 (2CRAM_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 (2KRNL_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_BANKDATA_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_WGMEM_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_BANKSDATA_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 1632-1 loop readline(init_file, init_line); hread(init_line, temp_mem(i)); 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;
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 := 2CV_W; constant RD_CACHE_N_WORDS : natural := 2RD_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_SIZEWG_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 := 2N_TAG_MANAGERS_W; constant N_AXI : natural := 2N_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 := 2N_WR_FIFOS_AXI_W; constant N_WR_FIFOS : natural := 2N_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.=84KB=32KB constant N_RECEIVERS_CU : natural := 2N_RECEIVERS_CU_W; constant N_RECEIVERS_W : natural := N_CU_W + N_RECEIVERS_CU_W; constant N_RECEIVERS : natural := 2N_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 := 2GMEM_N_BANK_W; constant CACHE_N_BANKS : natural := 2CACHE_N_BANKS_W; constant REG_FILE_W : natural := N_REG_BLOCKS_W+REG_FILE_BLOCK_W; constant N_REG_BLOCKS : natural := 2N_REG_BLOCKS_W; constant REG_ADDR_W : natural := BRAM18kb32b_ADDR_W+BRAM18kb32b_ADDR_W; constant REG_FILE_SIZE : natural := 2REG_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 := 2N_PARAMS_W; constant LOC_MEM_SIZE : natural := 2LOC_MEM_W; constant PHASE_LEN : natural := 2PHASE_W; constant CV_INST_FIFO_SIZE : natural := 2CV_INST_FIFO_W; constant N_CU : natural := 2N_CU_W; constant N_WF_CU : natural := 2N_WF_CU_W; constant WF_SIZE : natural := 2WF_SIZE_W; constant CRAM_SIZE : natural := 2CRAM_ADDR_W; constant RTM_SIZE : natural := 2RTM_ADDR_W; constant BRAM18kb_SIZE : natural := 2BRAM18kb32b_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 := 2WG_SIZE_W; constant NEW_KRNL_DESC_MAX_LEN : natural := 2NEW_KRNL_DESC_W; constant NEW_KRNL_MAX_INDX : natural := 2NEW_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 (2CRAM_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 (2KRNL_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_BANKDATA_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_WGMEM_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_BANKSDATA_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 1632-1 loop readline(init_file, init_line); hread(init_line, temp_mem(i)); 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;
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;
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;

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