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minor fix

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This commit is contained in:
Blaise Tine
2020-11-16 04:23:30 -08:00
parent 2234735cfb
commit 6e9c062f4c
1 changed files with 7 additions and 6 deletions
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13
hw/rtl/cache/VX_tag_access.v vendored
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@@ -112,23 +112,24 @@ module VX_tag_access #(
assign use_invalidate = valid_in assign use_invalidate = valid_in
&& is_snp_in && is_snp_in
&& tags_match && tags_match
&& (use_read_dirty || snp_invalidate_in) // block is dirty or should invalidate && (use_read_dirty || snp_invalidate_in)
&& !force_miss_in && !force_miss_in
&& !stall; && !stall;
assign miss_out = core_req_miss; assign miss_out = core_req_miss;
assign dirty_out = valid_in && use_read_valid && use_read_dirty;
assign dirty_out = valid_in && use_read_valid && use_read_dirty
&& !(is_fill_in && tags_match); // disable writeback for redundant fills
assign readtag_out = use_read_tag; assign readtag_out = use_read_tag;
assign writeen_out = (use_do_write || use_do_fill); assign writeen_out = (use_do_write || use_do_fill);
`ifdef DBG_PRINT_CACHE_TAG `ifdef DBG_PRINT_CACHE_TAG
always @(posedge clk) begin always @(posedge clk) begin
if (valid_in && !stall) begin if (valid_in && !stall) begin
if (use_do_fill && tags_match) begin if (use_do_fill && tags_match) begin
$display("%t: warning: redundant fill - addr=%0h", $time, `LINE_TO_BYTE_ADDR(addr_in, BANK_ID)); $display("%t: warning: redundant fill - addr=%0h", $time, `LINE_TO_BYTE_ADDR(addr_in, BANK_ID));
assert(0); end
end
if (use_do_fill) begin if (use_do_fill) begin
$display("%t: cache%0d:%0d tag-fill: addr=%0h, blk_addr=%0d, tag_id=%0h, old_tag_id=%0h", $time, CACHE_ID, BANK_ID, `LINE_TO_BYTE_ADDR(addr_in, BANK_ID), addrline, addrtag, qual_read_tag); $display("%t: cache%0d:%0d tag-fill: addr=%0h, blk_addr=%0d, tag_id=%0h, old_tag_id=%0h", $time, CACHE_ID, BANK_ID, `LINE_TO_BYTE_ADDR(addr_in, BANK_ID), addrline, addrtag, qual_read_tag);
end else if (tags_match) begin end else if (tags_match) begin