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fixed snoop forwarding bug and single bank support

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This commit is contained in:
Blaise Tine
2020-05-24 04:29:43 -04:00
parent 47ed6b18ff
commit a9f896b4f3
9 changed files with 17572 additions and 33364 deletions
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40
hw/rtl/cache/VX_cache.v vendored
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@@ -287,25 +287,43 @@ module VX_cache #(
assign per_bank_core_rsp_data [i] = curr_bank_core_rsp_data;
// Dram fill request
assign per_bank_dram_fill_req_valid[i] = curr_bank_dram_fill_req_valid;
assign per_bank_dram_fill_req_addr[i] = `LINE_TO_DRAM_ADDR(curr_bank_dram_fill_req_addr, i);
assign curr_bank_dram_fill_req_ready = dram_fill_req_ready;
assign per_bank_dram_fill_req_valid[i] = curr_bank_dram_fill_req_valid;
if (NUM_BANKS == 1) begin
assign per_bank_dram_fill_req_addr[i] = curr_bank_dram_fill_req_addr;
end else begin
assign per_bank_dram_fill_req_addr[i] = `LINE_TO_DRAM_ADDR(curr_bank_dram_fill_req_addr, i);
end
assign curr_bank_dram_fill_req_ready = dram_fill_req_ready;
// Dram fill response
assign curr_bank_dram_fill_rsp_valid = dram_rsp_valid && (`DRAM_ADDR_BANK(dram_rsp_tag) == i);
assign curr_bank_dram_fill_rsp_addr = `DRAM_TO_LINE_ADDR(dram_rsp_tag);
if (NUM_BANKS == 1) begin
assign curr_bank_dram_fill_rsp_valid = dram_rsp_valid;
assign curr_bank_dram_fill_rsp_addr = dram_rsp_tag;
end else begin
assign curr_bank_dram_fill_rsp_valid = dram_rsp_valid && (`DRAM_ADDR_BANK(dram_rsp_tag) == i);
assign curr_bank_dram_fill_rsp_addr = `DRAM_TO_LINE_ADDR(dram_rsp_tag);
end
assign curr_bank_dram_fill_rsp_data = dram_rsp_data;
assign per_bank_dram_fill_rsp_ready[i] = curr_bank_dram_fill_rsp_ready;
// Dram writeback request
assign per_bank_dram_wb_req_valid[i] = curr_bank_dram_wb_req_valid;
assign per_bank_dram_wb_req_addr[i] = `LINE_TO_DRAM_ADDR(curr_bank_dram_wb_req_addr, i);
assign per_bank_dram_wb_req_data[i] = curr_bank_dram_wb_req_data;
assign curr_bank_dram_wb_req_ready = per_bank_dram_wb_req_ready[i];
assign per_bank_dram_wb_req_valid[i] = curr_bank_dram_wb_req_valid;
if (NUM_BANKS == 1) begin
assign per_bank_dram_wb_req_addr[i] = curr_bank_dram_wb_req_addr;
end else begin
assign per_bank_dram_wb_req_addr[i] = `LINE_TO_DRAM_ADDR(curr_bank_dram_wb_req_addr, i);
end
assign per_bank_dram_wb_req_data[i] = curr_bank_dram_wb_req_data;
assign curr_bank_dram_wb_req_ready = per_bank_dram_wb_req_ready[i];
// Snoop request
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);
if (NUM_BANKS == 1) begin
assign curr_bank_snp_req_valid = snp_req_valid_qual;
assign curr_bank_snp_req_addr = snp_req_addr_qual;
end else begin
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;