vortex/hw/rtl/VX_define.vh
2021-12-09 20:43:22 -05:00

416 lines
15 KiB
Systemverilog

`ifndef VX_DEFINE
`define VX_DEFINE
`include "VX_platform.vh"
`include "VX_config.vh"
///////////////////////////////////////////////////////////////////////////////
`define NW_BITS `LOG2UP(`NUM_WARPS)
`define NT_BITS `LOG2UP(`NUM_THREADS)
`define NC_BITS `LOG2UP(`NUM_CORES)
`define NB_BITS `LOG2UP(`NUM_BARRIERS)
`define NUM_IREGS 32
`define NRI_BITS `LOG2UP(`NUM_IREGS)
`define NTEX_BITS `LOG2UP(`NUM_TEX_UNITS)
`ifdef EXT_F_ENABLE
`define NUM_REGS (2 * `NUM_IREGS)
`else
`define NUM_REGS `NUM_IREGS
`endif
`define NR_BITS `LOG2UP(`NUM_REGS)
`define CSR_ADDR_BITS 12
`define CSR_WIDTH 12
`define PERF_CTR_BITS 44
`define UUID_BITS 44
///////////////////////////////////////////////////////////////////////////////
`define EX_NOP 3'h0
`define EX_ALU 3'h1
`define EX_LSU 3'h2
`define EX_CSR 3'h3
`define EX_FPU 3'h4
`define EX_GPU 3'h5
`define EX_BITS 3
///////////////////////////////////////////////////////////////////////////////
`define INST_LUI 7'b0110111
`define INST_AUIPC 7'b0010111
`define INST_JAL 7'b1101111
`define INST_JALR 7'b1100111
`define INST_B 7'b1100011 // branch instructions
`define INST_L 7'b0000011 // load instructions
`define INST_S 7'b0100011 // store instructions
`define INST_I 7'b0010011 // immediate instructions
`define INST_R 7'b0110011 // register instructions
`define INST_FENCE 7'b0001111 // Fence instructions
`define INST_SYS 7'b1110011 // system instructions
`define INST_FL 7'b0000111 // float load instruction
`define INST_FS 7'b0100111 // float store instruction
`define INST_FMADD 7'b1000011
`define INST_FMSUB 7'b1000111
`define INST_FNMSUB 7'b1001011
`define INST_FNMADD 7'b1001111
`define INST_FCI 7'b1010011 // float common instructions
`define INST_GPGPU 7'b1101011
`define INST_GPU 7'b1011011
`define INST_TEX 7'b0101011
///////////////////////////////////////////////////////////////////////////////
`define INST_FRM_RNE 3'b000 // round to nearest even
`define INST_FRM_RTZ 3'b001 // round to zero
`define INST_FRM_RDN 3'b010 // round to -inf
`define INST_FRM_RUP 3'b011 // round to +inf
`define INST_FRM_RMM 3'b100 // round to nearest max magnitude
`define INST_FRM_DYN 3'b111 // dynamic mode
`define INST_FRM_BITS 3
///////////////////////////////////////////////////////////////////////////////
`define INST_OP_BITS 4
`define INST_MOD_BITS 3
///////////////////////////////////////////////////////////////////////////////
`define INST_ALU_ADD 4'b0000
`define INST_ALU_LUI 4'b0010
`define INST_ALU_AUIPC 4'b0011
`define INST_ALU_SLTU 4'b0100
`define INST_ALU_SLT 4'b0101
`define INST_ALU_SRL 4'b1000
`define INST_ALU_SRA 4'b1001
`define INST_ALU_SUB 4'b1011
`define INST_ALU_AND 4'b1100
`define INST_ALU_OR 4'b1101
`define INST_ALU_XOR 4'b1110
`define INST_ALU_SLL 4'b1111
`define INST_ALU_OTHER 4'b0111
`define INST_ALU_BITS 4
`define INST_ALU_OP(x) x[`INST_ALU_BITS-1:0]
`define INST_ALU_OP_CLASS(x) x[3:2]
`define INST_ALU_SIGNED(x) x[0]
`define INST_ALU_IS_BR(x) x[0]
`define INST_ALU_IS_MUL(x) x[1]
`define INST_BR_EQ 4'b0000
`define INST_BR_NE 4'b0010
`define INST_BR_LTU 4'b0100
`define INST_BR_GEU 4'b0110
`define INST_BR_LT 4'b0101
`define INST_BR_GE 4'b0111
`define INST_BR_JAL 4'b1000
`define INST_BR_JALR 4'b1001
`define INST_BR_ECALL 4'b1010
`define INST_BR_EBREAK 4'b1011
`define INST_BR_URET 4'b1100
`define INST_BR_SRET 4'b1101
`define INST_BR_MRET 4'b1110
`define INST_BR_OTHER 4'b1111
`define INST_BR_BITS 4
`define INST_BR_NEG(x) x[1]
`define INST_BR_LESS(x) x[2]
`define INST_BR_STATIC(x) x[3]
`define INST_MUL_MUL 3'h0
`define INST_MUL_MULH 3'h1
`define INST_MUL_MULHSU 3'h2
`define INST_MUL_MULHU 3'h3
`define INST_MUL_DIV 3'h4
`define INST_MUL_DIVU 3'h5
`define INST_MUL_REM 3'h6
`define INST_MUL_REMU 3'h7
`define INST_MUL_BITS 3
`define INST_MUL_IS_DIV(x) x[2]
`define INST_FMT_B 3'b000
`define INST_FMT_H 3'b001
`define INST_FMT_W 3'b010
`define INST_FMT_BU 3'b100
`define INST_FMT_HU 3'b101
`define INST_LSU_LB 4'b0000
`define INST_LSU_LH 4'b0001
`define INST_LSU_LW 4'b0010
`define INST_LSU_LBU 4'b0100
`define INST_LSU_LHU 4'b0101
`define INST_LSU_SB 4'b1000
`define INST_LSU_SH 4'b1001
`define INST_LSU_SW 4'b1010
`define INST_LSU_BITS 4
`define INST_LSU_FMT(x) x[2:0]
`define INST_LSU_WSIZE(x) x[1:0]
`define INST_LSU_IS_MEM(x) (3'h0 == x)
`define INST_LSU_IS_FENCE(x) (3'h1 == x)
`define INST_LSU_IS_PREFETCH(x) (3'h2 == x)
`define INST_FENCE_BITS 1
`define INST_FENCE_D 1'h0
`define INST_FENCE_I 1'h1
`define INST_CSR_RW 2'h1
`define INST_CSR_RS 2'h2
`define INST_CSR_RC 2'h3
`define INST_CSR_OTHER 2'h0
`define INST_CSR_BITS 2
`define INST_FPU_ADD 4'h0
`define INST_FPU_SUB 4'h4
`define INST_FPU_MUL 4'h8
`define INST_FPU_DIV 4'hC
`define INST_FPU_CVTWS 4'h1 // FCVT.W.S
`define INST_FPU_CVTWUS 4'h5 // FCVT.WU.S
`define INST_FPU_CVTSW 4'h9 // FCVT.S.W
`define INST_FPU_CVTSWU 4'hD // FCVT.S.WU
`define INST_FPU_SQRT 4'h2
`define INST_FPU_CLASS 4'h6
`define INST_FPU_CMP 4'hA
`define INST_FPU_MISC 4'hE // SGNJ, SGNJN, SGNJX, FMIN, FMAX, MVXW, MVWX
`define INST_FPU_MADD 4'h3
`define INST_FPU_MSUB 4'h7
`define INST_FPU_NMSUB 4'hB
`define INST_FPU_NMADD 4'hF
`define INST_FPU_BITS 4
`define INST_GPU_TMC 4'h0
`define INST_GPU_WSPAWN 4'h1
`define INST_GPU_SPLIT 4'h2
`define INST_GPU_JOIN 4'h3
`define INST_GPU_BAR 4'h4
`define INST_GPU_PRED 4'h5
`define INST_GPU_TEX 4'h6
`define INST_GPU_BITS 4
///////////////////////////////////////////////////////////////////////////////
`ifdef EXT_M_ENABLE
`define ISA_EXT_M (1 << 12)
`else
`define ISA_EXT_M 0
`endif
`ifdef EXT_F_ENABLE
`define ISA_EXT_F (1 << 5)
`else
`define ISA_EXT_F 0
`endif
`define ISA_CODE (0 << 0) // A - Atomic Instructions extension \
| (0 << 1) // B - Tentatively reserved for Bit operations extension \
| (0 << 2) // C - Compressed extension \
| (0 << 3) // D - Double precsision floating-point extension \
| (0 << 4) // E - RV32E base ISA \
|`ISA_EXT_F // F - Single precsision floating-point extension \
| (0 << 6) // G - Additional standard extensions present \
| (0 << 7) // H - Hypervisor mode implemented \
| (1 << 8) // I - RV32I/64I/128I base ISA \
| (0 << 9) // J - Reserved \
| (0 << 10) // K - Reserved \
| (0 << 11) // L - Tentatively reserved for Bit operations extension \
|`ISA_EXT_M // M - Integer Multiply/Divide extension \
| (0 << 13) // N - User level interrupts supported \
| (0 << 14) // O - Reserved \
| (0 << 15) // P - Tentatively reserved for Packed-SIMD extension \
| (0 << 16) // Q - Quad-precision floating-point extension \
| (0 << 17) // R - Reserved \
| (0 << 18) // S - Supervisor mode implemented \
| (0 << 19) // T - Tentatively reserved for Transactional Memory extension \
| (1 << 20) // U - User mode implemented \
| (0 << 21) // V - Tentatively reserved for Vector extension \
| (0 << 22) // W - Reserved \
| (1 << 23) // X - Non-standard extensions present \
| (0 << 24) // Y - Reserved \
| (0 << 25) // Z - Reserved
///////////////////////////////////////////////////////////////////////////////
// non-cacheable tag bits
`define NC_TAG_BIT 1
// texture tag bits
`define TEX_TAG_BIT 1
// cache address type bits
`define CACHE_ADDR_TYPE_BITS (`NC_TAG_BIT + `SM_ENABLE)
////////////////////////// Icache Configurable Knobs //////////////////////////
// Cache ID
`define ICACHE_ID (32'(`L3_ENABLE) + 32'(`L2_ENABLE) * `NUM_CLUSTERS + CORE_ID * 3 + 0)
// Word size in bytes
`define ICACHE_WORD_SIZE 4
// Block size in bytes
`define ICACHE_LINE_SIZE `L1_BLOCK_SIZE
// TAG sharing enable
`define ICACHE_CORE_TAG_ID_BITS `NW_BITS
// Core request tag bits
`define ICACHE_CORE_TAG_WIDTH (`UUID_BITS + `ICACHE_CORE_TAG_ID_BITS)
// Memory request data bits
`define ICACHE_MEM_DATA_WIDTH (`ICACHE_LINE_SIZE * 8)
// Memory request address bits
`define ICACHE_MEM_ADDR_WIDTH (32 - `CLOG2(`ICACHE_LINE_SIZE))
// Memory request tag bits
`define ICACHE_MEM_TAG_WIDTH `CLOG2(`ICACHE_MSHR_SIZE)
////////////////////////// Dcache Configurable Knobs //////////////////////////
// Cache ID
`define DCACHE_ID (32'(`L3_ENABLE) + 32'(`L2_ENABLE) * `NUM_CLUSTERS + CORE_ID * 3 + 1)
// Word size in bytes
`define DCACHE_WORD_SIZE 4
// Block size in bytes
`define DCACHE_LINE_SIZE `L1_BLOCK_SIZE
// Core request tag bits
`define LSUQ_ADDR_BITS `LOG2UP(`LSUQ_SIZE)
`ifdef EXT_TEX_ENABLE
`define LSU_TAG_ID_BITS `MAX(`LSUQ_ADDR_BITS, 2)
`define LSU_TEX_DCACHE_TAG_BITS (`UUID_BITS + `LSU_TAG_ID_BITS + `CACHE_ADDR_TYPE_BITS)
`define DCACHE_CORE_TAG_ID_BITS (`LSU_TAG_ID_BITS + `CACHE_ADDR_TYPE_BITS + `TEX_TAG_BIT)
`else
`define LSU_TAG_ID_BITS `LSUQ_ADDR_BITS
`define DCACHE_CORE_TAG_ID_BITS (`LSU_TAG_ID_BITS + `CACHE_ADDR_TYPE_BITS)
`endif
`define DCACHE_CORE_TAG_WIDTH (`UUID_BITS + `DCACHE_CORE_TAG_ID_BITS)
// Memory request data bits
`define DCACHE_MEM_DATA_WIDTH (`DCACHE_LINE_SIZE * 8)
// Memory request address bits
`define DCACHE_MEM_ADDR_WIDTH (32 - `CLOG2(`DCACHE_LINE_SIZE))
// Memory byte enable bits
`define DCACHE_MEM_BYTEEN_WIDTH `DCACHE_LINE_SIZE
// Input request size
`define DCACHE_NUM_REQS `NUM_THREADS
// Memory request tag bits
`define _DMEM_ADDR_RATIO_W $clog2(`DCACHE_LINE_SIZE / `DCACHE_WORD_SIZE)
`define _DNC_MEM_TAG_WIDTH ($clog2(`DCACHE_NUM_REQS) + `_DMEM_ADDR_RATIO_W + `DCACHE_CORE_TAG_WIDTH)
`define DCACHE_MEM_TAG_WIDTH `MAX((`CLOG2(`DCACHE_NUM_BANKS) + `CLOG2(`DCACHE_MSHR_SIZE) + `NC_TAG_BIT), `_DNC_MEM_TAG_WIDTH)
// Merged D-cache/I-cache memory tag
`define L1_MEM_TAG_WIDTH (`MAX(`ICACHE_MEM_TAG_WIDTH, `DCACHE_MEM_TAG_WIDTH) + `CLOG2(2))
////////////////////////// SM Configurable Knobs //////////////////////////////
// Cache ID
`define SMEM_ID (32'(`L3_ENABLE) + 32'(`L2_ENABLE) * `NUM_CLUSTERS + CORE_ID * 3 + 2)
// Word size in bytes
`define SMEM_WORD_SIZE 4
// bank address offset
`define SMEM_BANK_ADDR_OFFSET `CLOG2(`STACK_SIZE / `SMEM_WORD_SIZE)
// Input request size
`define SMEM_NUM_REQS `NUM_THREADS
////////////////////////// L2cache Configurable Knobs /////////////////////////
// Cache ID
`define L2_CACHE_ID (32'(`L3_ENABLE) + CLUSTER_ID)
// Word size in bytes
`define L2_WORD_SIZE `DCACHE_LINE_SIZE
// Block size in bytes
`define L2_CACHE_LINE_SIZE ((`L2_ENABLE) ? `MEM_BLOCK_SIZE : `L2_WORD_SIZE)
// Input request tag bits
`define L2_CORE_TAG_WIDTH (`DCACHE_CORE_TAG_WIDTH + `CLOG2(`NUM_CORES))
// Memory request data bits
`define L2_MEM_DATA_WIDTH (`L2_CACHE_LINE_SIZE * 8)
// Memory request address bits
`define L2_MEM_ADDR_WIDTH (32 - `CLOG2(`L2_CACHE_LINE_SIZE))
// Memory byte enable bits
`define L2_MEM_BYTEEN_WIDTH `L2_CACHE_LINE_SIZE
// Input request size
`define L2_NUM_REQS `NUM_CORES
// Memory request tag bits
`define _L2_MEM_ADDR_RATIO_W $clog2(`L2_CACHE_LINE_SIZE / `L2_WORD_SIZE)
`define _L2_NC_MEM_TAG_WIDTH ($clog2(`L2_NUM_REQS) + `_L2_MEM_ADDR_RATIO_W + `L1_MEM_TAG_WIDTH)
`define _L2_MEM_TAG_WIDTH `MAX((`CLOG2(`L2_NUM_BANKS) + `CLOG2(`L2_MSHR_SIZE) + `NC_TAG_BIT), `_L2_NC_MEM_TAG_WIDTH)
`define L2_MEM_TAG_WIDTH ((`L2_ENABLE) ? `_L2_MEM_TAG_WIDTH : (`L1_MEM_TAG_WIDTH + `CLOG2(`L2_NUM_REQS)))
////////////////////////// L3cache Configurable Knobs /////////////////////////
// Cache ID
`define L3_CACHE_ID 0
// Word size in bytes
`define L3_WORD_SIZE `L2_CACHE_LINE_SIZE
// Block size in bytes
`define L3_CACHE_LINE_SIZE ((`L3_ENABLE) ? `MEM_BLOCK_SIZE : `L3_WORD_SIZE)
// Input request tag bits
`define L3_CORE_TAG_WIDTH (`L2_CORE_TAG_WIDTH + `CLOG2(`NUM_CLUSTERS))
// Memory request data bits
`define L3_MEM_DATA_WIDTH (`L3_CACHE_LINE_SIZE * 8)
// Memory request address bits
`define L3_MEM_ADDR_WIDTH (32 - `CLOG2(`L3_CACHE_LINE_SIZE))
// Memory byte enable bits
`define L3_MEM_BYTEEN_WIDTH `L3_CACHE_LINE_SIZE
// Input request size
`define L3_NUM_REQS `NUM_CLUSTERS
// Memory request tag bits
`define _L3_MEM_ADDR_RATIO_W $clog2(`L3_CACHE_LINE_SIZE / `L3_WORD_SIZE)
`define _L3_NC_MEM_TAG_WIDTH ($clog2(`L3_NUM_REQS) + `_L3_MEM_ADDR_RATIO_W + `L2_MEM_TAG_WIDTH)
`define _L3_MEM_TAG_WIDTH `MAX((`CLOG2(`L3_NUM_BANKS) + `CLOG2(`L3_MSHR_SIZE) + `NC_TAG_BIT), `_L3_NC_MEM_TAG_WIDTH)
`define L3_MEM_TAG_WIDTH ((`L3_ENABLE) ? `_L3_MEM_TAG_WIDTH : (`L2_MEM_TAG_WIDTH + `CLOG2(`L3_NUM_REQS)))
///////////////////////////////////////////////////////////////////////////////
`define VX_MEM_BYTEEN_WIDTH `L3_MEM_BYTEEN_WIDTH
`define VX_MEM_ADDR_WIDTH `L3_MEM_ADDR_WIDTH
`define VX_MEM_DATA_WIDTH `L3_MEM_DATA_WIDTH
`define VX_MEM_TAG_WIDTH `L3_MEM_TAG_WIDTH
`define VX_CORE_TAG_WIDTH `L3_CORE_TAG_WIDTH
`define VX_CSR_ID_WIDTH `LOG2UP(`NUM_CLUSTERS * `NUM_CORES)
`define TO_FULL_ADDR(x) {x, (32-$bits(x))'(0)}
///////////////////////////////////////////////////////////////////////////////
`include "VX_fpu_types.vh"
`include "VX_gpu_types.vh"
`endif