Files
vortex/hw/rtl/generic_cache/VX_cache_config.vh
2020-04-16 10:22:46 -04:00

85 lines
2.5 KiB
Systemverilog

`ifndef VX_CACHE_CONFIG
`define VX_CACHE_CONFIG
`include "../VX_define.vh"
// data tid rd wb warp_num read write
`define MRVQ_METADATA_SIZE (`WORD_SIZE + `LOG2UP(NUM_REQUESTS) + 5 + 2 + (`NW_BITS-1 + 1) + 3 + 3)
// 5 + 2 + 4 + 3 + 3 + 1
`define REQ_INST_META_SIZE (5 + 2 + (`NW_BITS-1+1) + 3 + 3 + `LOG2UP(NUM_REQUESTS))
`define WORD_SIZE (8*WORD_SIZE_BYTES)
`define WORD_SIZE_RNG (`WORD_SIZE)-1:0
// 128
`define BANK_SIZE_BYTES CACHE_SIZE_BYTES/NUM_BANKS
// 8
`define BANK_LINE_COUNT (`BANK_SIZE_BYTES/BANK_LINE_SIZE_BYTES)
// 4
`define BANK_LINE_WORDS (BANK_LINE_SIZE_BYTES / WORD_SIZE_BYTES)
// Offset is fixed
`define OFFSET_ADDR_NUM_BITS 2
`define OFFSET_SIZE_END 1
`define OFFSET_ADDR_START 0
`define OFFSET_ADDR_END 1
`define OFFSET_ADDR_RNG `OFFSET_ADDR_END:`OFFSET_ADDR_START
`define OFFSET_SIZE_RNG `OFFSET_SIZE_END:0
// 2
`define WORD_SELECT_NUM_BITS (`LOG2UP(`BANK_LINE_WORDS))
// 2
`define WORD_SELECT_SIZE_END (`WORD_SELECT_NUM_BITS)
// 2
`define WORD_SELECT_ADDR_START (1+`OFFSET_ADDR_END)
// 3
`define WORD_SELECT_ADDR_END (`WORD_SELECT_SIZE_END+`OFFSET_ADDR_END)
// 3:2
`define WORD_SELECT_ADDR_RNG `WORD_SELECT_ADDR_END:`WORD_SELECT_ADDR_START
`define WORD_SELECT_SIZE_RNG `WORD_SELECT_SIZE_END-1:0
// 3
`define BANK_SELECT_NUM_BITS (`LOG2UP(NUM_BANKS))
// 3
`define BANK_SELECT_SIZE_END (`BANK_SELECT_NUM_BITS)
// 4
`define BANK_SELECT_ADDR_START (1+`WORD_SELECT_ADDR_END)
// 6
`define BANK_SELECT_ADDR_END (`BANK_SELECT_SIZE_END+`BANK_SELECT_ADDR_START-1)
// 6:4
`define BANK_SELECT_ADDR_RNG `BANK_SELECT_ADDR_END:`BANK_SELECT_ADDR_START
// 2:0
`define BANK_SELECT_SIZE_RNG `BANK_SELECT_SIZE_END-1:0
// 3
`define LINE_SELECT_NUM_BITS (`LOG2UP(`BANK_LINE_COUNT))
// 3
`define LINE_SELECT_SIZE_END (`LINE_SELECT_NUM_BITS)
// 7
`define LINE_SELECT_ADDR_START (1+`BANK_SELECT_ADDR_END)
// 9
`define LINE_SELECT_ADDR_END (`LINE_SELECT_SIZE_END+`LINE_SELECT_ADDR_START-1)
// 9:7
`define LINE_SELECT_ADDR_RNG `LINE_SELECT_ADDR_END:`LINE_SELECT_ADDR_START
// 2:0
`define LINE_SELECT_SIZE_RNG `LINE_SELECT_SIZE_END-1:0
// 10
`define TAG_SELECT_ADDR_START (1+`LINE_SELECT_ADDR_END)
// 31:10
`define TAG_SELECT_ADDR_RNG 31:`TAG_SELECT_ADDR_START
// 22
`define TAG_SELECT_NUM_BITS (32-`TAG_SELECT_ADDR_START)
// 22
`define TAG_SELECT_SIZE_END (`TAG_SELECT_NUM_BITS)
// 21:0
`define TAG_SELECT_SIZE_RNG `TAG_SELECT_SIZE_END-1:0
`define BASE_ADDR_MASK (~((1<<(`WORD_SELECT_ADDR_END+1))-1))
`endif