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scope refactoring + snoop invalidate

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This commit is contained in:
Blaise Tine
2020-06-12 00:04:31 -07:00
parent 19f263c772
commit d6b0ef2b3c
44 changed files with 652 additions and 589 deletions
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23
hw/rtl/cache/VX_cache.v vendored
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@@ -101,6 +101,7 @@ module VX_cache #(
// Snoop request
input wire snp_req_valid,
input wire [`DRAM_ADDR_WIDTH-1:0] snp_req_addr,
input wire snp_req_invalidate,
input wire [SNP_REQ_TAG_WIDTH-1:0] snp_req_tag,
output wire snp_req_ready,
@@ -112,6 +113,7 @@ module VX_cache #(
// Snoop Forwarding out
output wire [NUM_SNP_REQUESTS-1:0] snp_fwdout_valid,
output wire [NUM_SNP_REQUESTS-1:0][`DRAM_ADDR_WIDTH-1:0] snp_fwdout_addr,
output wire [NUM_SNP_REQUESTS-1:0] snp_fwdout_invalidate,
output wire [NUM_SNP_REQUESTS-1:0][SNP_FWD_TAG_WIDTH-1:0] snp_fwdout_tag,
`IGNORE_WARNINGS_BEGIN
input wire [NUM_SNP_REQUESTS-1:0] snp_fwdout_ready,
@@ -164,6 +166,7 @@ module VX_cache #(
wire snp_req_valid_qual;
wire [`DRAM_ADDR_WIDTH-1:0] snp_req_addr_qual;
wire snp_req_invalidate_qual;
wire [SNP_REQ_TAG_WIDTH-1:0] snp_req_tag_qual;
wire snp_req_ready_qual;
@@ -180,16 +183,19 @@ module VX_cache #(
.snp_req_valid (snp_req_valid),
.snp_req_addr (snp_req_addr),
.snp_req_invalidate (snp_req_invalidate),
.snp_req_tag (snp_req_tag),
.snp_req_ready (snp_req_ready),
.snp_rsp_valid (snp_req_valid_qual),
.snp_rsp_addr (snp_req_addr_qual),
.snp_rsp_invalidate (snp_req_invalidate_qual),
.snp_rsp_tag (snp_req_tag_qual),
.snp_rsp_ready (snp_req_ready_qual),
.snp_fwdout_valid (snp_fwdout_valid),
.snp_fwdout_addr (snp_fwdout_addr),
.snp_fwdout_invalidate(snp_fwdout_invalidate),
.snp_fwdout_tag (snp_fwdout_tag),
.snp_fwdout_ready (snp_fwdout_ready),
@@ -200,14 +206,16 @@ module VX_cache #(
end else begin
assign snp_fwdout_valid = 0;
assign snp_fwdout_addr = 0;
assign snp_fwdout_invalidate = 0;
assign snp_fwdout_tag = 0;
assign snp_fwdin_ready = 0;
assign snp_req_valid_qual = snp_req_valid;
assign snp_req_addr_qual = snp_req_addr;
assign snp_req_tag_qual = snp_req_tag;
assign snp_req_ready = snp_req_ready_qual;
assign snp_req_valid_qual = snp_req_valid;
assign snp_req_addr_qual = snp_req_addr;
assign snp_req_invalidate_qual = snp_req_invalidate;
assign snp_req_tag_qual = snp_req_tag;
assign snp_req_ready = snp_req_ready_qual;
end
if (NUM_BANKS == 1) begin
@@ -266,6 +274,7 @@ module VX_cache #(
wire curr_bank_snp_req_valid;
wire [`LINE_ADDR_WIDTH-1:0] curr_bank_snp_req_addr;
wire curr_bank_snp_req_invalidate;
wire [SNP_REQ_TAG_WIDTH-1:0] curr_bank_snp_req_tag;
wire curr_bank_snp_req_ready;
@@ -330,8 +339,9 @@ module VX_cache #(
assign curr_bank_snp_req_valid = snp_req_valid_qual && (`DRAM_ADDR_BANK(snp_req_addr_qual) == i);
assign curr_bank_snp_req_addr = `DRAM_TO_LINE_ADDR(snp_req_addr_qual);
end
assign curr_bank_snp_req_tag = snp_req_tag_qual;
assign per_bank_snp_req_ready[i] = curr_bank_snp_req_ready;
assign curr_bank_snp_req_invalidate = snp_req_invalidate_qual;
assign curr_bank_snp_req_tag = snp_req_tag_qual;
assign per_bank_snp_req_ready[i] = curr_bank_snp_req_ready;
// Snoop response
assign per_bank_snp_rsp_valid[i] = curr_bank_snp_rsp_valid;
@@ -400,6 +410,7 @@ module VX_cache #(
// Snoop request
.snp_req_valid (curr_bank_snp_req_valid),
.snp_req_addr (curr_bank_snp_req_addr),
.snp_req_invalidate (curr_bank_snp_req_invalidate),
.snp_req_tag (curr_bank_snp_req_tag),
.snp_req_ready (curr_bank_snp_req_ready),