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Added prefix DCACHE_

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This commit is contained in:
Savan Roshan
2019-11-05 08:33:38 -05:00
parent cb3e2da584
commit 8468e7d4d9
9 changed files with 148 additions and 148 deletions
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54
rtl/cache/VX_cache_data_per_index.v vendored
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@@ -15,52 +15,52 @@ module VX_cache_data_per_index
input wire rst,
input wire valid_in,
// Addr
input wire[`CACHE_IND_SIZE_RNG] addr,
input wire[`DCACHE_IND_SIZE_RNG] addr,
// WE
input wire[`NUM_WORDS_PER_BLOCK-1:0][3:0] we,
input wire[`DCACHE_NUM_WORDS_PER_BLOCK-1:0][3:0] we,
input wire evict,
input wire[`CACHE_WAY_INDEX-1:0] way_to_update,
input wire[`DCACHE_WAY_INDEX-1:0] way_to_update,
// Data
input wire[`NUM_WORDS_PER_BLOCK-1:0][31:0] data_write, // Update Data
input wire[`CACHE_TAG_SIZE_RNG] tag_write,
input wire[`DCACHE_NUM_WORDS_PER_BLOCK-1:0][31:0] data_write, // Update Data
input wire[`DCACHE_TAG_SIZE_RNG] tag_write,
output wire[`CACHE_TAG_SIZE_RNG] tag_use,
output wire[`NUM_WORDS_PER_BLOCK-1:0][31:0] data_use,
output wire[`DCACHE_TAG_SIZE_RNG] tag_use,
output wire[`DCACHE_NUM_WORDS_PER_BLOCK-1:0][31:0] data_use,
output wire valid_use,
output wire dirty_use,
output wire[`CACHE_WAY_INDEX-1:0] way
output wire[`DCACHE_WAY_INDEX-1:0] way
);
//localparam NUMBER_BANKS = CACHE_BANKS;
//localparam CACHE_BLOCK_PER_BANK = (CACHE_BLOCK / CACHE_BANKS);
// localparam NUM_WORDS_PER_BLOCK = CACHE_BLOCK / (CACHE_BANKS*4);
//localparam NUMBER_INDEXES = `NUM_IND;
//localparam NUMBER_INDEXES = `DCACHE_NUM_IND;
wire [`CACHE_WAYS-1:0][`CACHE_TAG_SIZE_RNG] tag_use_per_way;
wire [`CACHE_WAYS-1:0][`NUM_WORDS_PER_BLOCK-1:0][31:0] data_use_per_way;
wire [`CACHE_WAYS-1:0] valid_use_per_way;
wire [`CACHE_WAYS-1:0] dirty_use_per_way;
wire [`CACHE_WAYS-1:0] hit_per_way;
reg [`NUM_IND-1:0][`CACHE_WAY_INDEX-1:0] eviction_way_index;
wire [`CACHE_WAYS-1:0][`NUM_WORDS_PER_BLOCK-1:0][3:0] we_per_way;
wire [`CACHE_WAYS-1:0][`NUM_WORDS_PER_BLOCK-1:0][31:0] data_write_per_way;
wire [`CACHE_WAYS-1:0] write_from_mem_per_way;
wire [`DCACHE_WAYS-1:0][`DCACHE_TAG_SIZE_RNG] tag_use_per_way;
wire [`DCACHE_WAYS-1:0][`DCACHE_NUM_WORDS_PER_BLOCK-1:0][31:0] data_use_per_way;
wire [`DCACHE_WAYS-1:0] valid_use_per_way;
wire [`DCACHE_WAYS-1:0] dirty_use_per_way;
wire [`DCACHE_WAYS-1:0] hit_per_way;
reg [`DCACHE_NUM_IND-1:0][`DCACHE_WAY_INDEX-1:0] eviction_way_index;
wire [`DCACHE_WAYS-1:0][`DCACHE_NUM_WORDS_PER_BLOCK-1:0][3:0] we_per_way;
wire [`DCACHE_WAYS-1:0][`DCACHE_NUM_WORDS_PER_BLOCK-1:0][31:0] data_write_per_way;
wire [`DCACHE_WAYS-1:0] write_from_mem_per_way;
wire invalid_found;
wire [`CACHE_WAY_INDEX-1:0] way_index;
wire [`CACHE_WAY_INDEX-1:0] invalid_index;
wire [`DCACHE_WAY_INDEX-1:0] way_index;
wire [`DCACHE_WAY_INDEX-1:0] invalid_index;
if(`CACHE_WAYS != 1) begin
VX_generic_priority_encoder #(.N(`CACHE_WAYS)) valid_index
if(`DCACHE_WAYS != 1) begin
VX_generic_priority_encoder #(.N(`DCACHE_WAYS)) valid_index
(
.valids(~valid_use_per_way),
.index (invalid_index),
.found (invalid_found)
);
VX_generic_priority_encoder #(.N(`CACHE_WAYS)) way_indexing
VX_generic_priority_encoder #(.N(`DCACHE_WAYS)) way_indexing
(
.valids(hit_per_way),
.index (way_index),
@@ -90,7 +90,7 @@ module VX_cache_data_per_index
genvar ways;
for(ways=0; ways < `CACHE_WAYS; ways = ways + 1) begin
for(ways=0; ways < `DCACHE_WAYS; ways = ways + 1) begin
assign hit_per_way[ways] = ((valid_use_per_way[ways] == 1'b1) && (tag_use_per_way[ways] == tag_write)) ? 1'b1 : 0;
assign we_per_way[ways] = (evict == 1'b1) || (update == 1'b1) ? ((ways == way_to_update) ? (we) : 0) : 0;
@@ -99,7 +99,7 @@ module VX_cache_data_per_index
/*VX_cache_data #(
.CACHE_SIZE(`CACHE_SIZE),
.CACHE_WAYS(`CACHE_WAYS),
.CACHE_WAYS(`DCACHE_WAYS),
.CACHE_BLOCK(`CACHE_BLOCK),
.CACHE_BANKS(`CACHE_BANKS)) data_structures(*/
VX_cache_data data_structures(
@@ -124,7 +124,7 @@ module VX_cache_data_per_index
eviction_way_index <= 0;
end else begin
if(miss && dirty_use && valid_use && !evict && valid_in) begin // can be either evict or invalid cache entries
if((eviction_way_index[addr]+1) == `CACHE_WAYS) begin
if((eviction_way_index[addr]+1) == `DCACHE_WAYS) begin
eviction_way_index[addr] <= 0;
end else begin
eviction_way_index[addr] <= (eviction_way_index[addr] + 1);
@@ -133,4 +133,4 @@ module VX_cache_data_per_index
end
end
endmodule
endmodule