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OPAE rtl fixes

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This commit is contained in:
Blaise Tine
2020-05-08 08:28:28 -07:00
parent 13dfd5c8c7
commit c2e9240b7d
12 changed files with 208 additions and 243 deletions
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14
hw/rtl/cache/VX_tag_data_access.v vendored
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@@ -90,13 +90,11 @@ module VX_tag_data_access #(
wire fill_sent;
wire invalidate_line;
wire tags_match;
wire real_writefill = writefill_st1e
&& ((valid_req_st1e
&& !use_read_valid_st1e)
|| (valid_req_st1e
&& use_read_valid_st1e
&& (writeaddr_st1e[`TAG_LINE_ADDR_RNG] != use_read_tag_st1e)));
&& ((valid_req_st1e && !use_read_valid_st1e)
|| (valid_req_st1e && use_read_valid_st1e && !tags_match));
VX_tag_data_structure #(
.CACHE_SIZE (CACHE_SIZE),
@@ -256,14 +254,14 @@ module VX_tag_data_access #(
assign data_write[i * `WORD_WIDTH +: `WORD_WIDTH] = force_write ? writedata_st1e[i * `WORD_WIDTH +: `WORD_WIDTH] : use_write_dat;
end
end
assign use_write_enable = (writefill_st1e && !real_writefill) ? 0 : we;
assign use_write_data = data_write;
wire[`TAG_SELECT_BITS-1:0] writeaddr_tag = writeaddr_st1e[`TAG_LINE_ADDR_RNG];
wire tags_match = writeaddr_tag == use_read_tag_st1e;
// use "case equality" to handle uninitialized tag when block entry is not valid
assign tags_match = ((writeaddr_st1e[`TAG_LINE_ADDR_RNG] == use_read_tag_st1e) === 1'b1);
wire snoop_hit = valid_req_st1e && is_snp_st1e && use_read_valid_st1e && tags_match && use_read_dirty_st1e;
wire req_invalid = valid_req_st1e && !is_snp_st1e && !use_read_valid_st1e && !writefill_st1e;