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Fix mismatch in id_queue triggering obscure errors in QuestaSim #254

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Merged
niwis merged 2 commits into from
May 6, 2025
Merged

Fix mismatch in id_queue triggering obscure errors in QuestaSim #254

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9540f88
Fix mismatch in id_queue triggering obscure errors in QuestaSim in so…
FrancescoConti Mar 17, 2025
0d947ea
id_queue: Apply struct access fix module-wide
niwis May 6, 2025
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6 changes: 3 additions & 3 deletions src/id_queue.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -236,7 +236,7 @@ module id_queue #(
if (oup_pop_i) begin
// Set free bit of linked data entry, all other bits are don't care.
linked_data_d[head_tail_q[match_in_idx].head] = '0;
linked_data_d[head_tail_q[match_in_idx].head][0] = 1'b1;
linked_data_d[head_tail_q[match_in_idx].head].free = 1'b1;
if (head_tail_q[match_in_idx].head == head_tail_q[match_in_idx].tail) begin
head_tail_d[match_in_idx] = '{free: 1'b1, default: '0};
end else begin
Expand Down Expand Up @@ -403,8 +403,8 @@ module id_queue #(
always_ff @(posedge clk_i, negedge rst_ni) begin
if (!rst_ni) begin
// Set free bit of linked data entries, all other bits are don't care.
linked_data_q[i] <= '0;
linked_data_q[i][0] <= 1'b1;
linked_data_q[i] <= '0;
linked_data_q[i].free <= 1'b1;
end else begin
linked_data_q[i] <= linked_data_d[i];
end
Expand Down