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Fix x-if-result interface #68

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Merged
FrancescoConti merged 1 commit into from
Sep 15, 2026
Merged

Fix x-if-result interface #68

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4 changes: 2 additions & 2 deletions rtl/redmule_inst_decoder.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,7 @@ module redmule_inst_decoder
// Construct result packet to write back to CPU register file
always_comb begin : x_result_assignment
// Result valid when both instruction and register data available for winning hart
x_result_valid_o = ~issue_fifo_empty[winner] && ~register_fifo_empty[winner];
x_result_valid_o = ~issue_fifo_empty[winner] && ~register_fifo_empty[winner] && ({cur_issue[winner].instr[26:25],cur_issue[winner].instr[14:12],cur_issue[winner].instr[6:0]} == MARITH ? config_ready_i : 1'b1);
x_result_o.hartid = cur_issue[winner].hartid;
x_result_o.id = cur_issue[winner].id;
x_result_o.rd = cur_issue[winner].instr[11:7]; // Destination register
Expand Down Expand Up @@ -264,7 +264,7 @@ module redmule_inst_decoder
end else begin
if (clear_i) begin
op_id_counter_in_q[i] <= 0;
end else if (winner == i && x_result_ready_i && x_result_valid_o && {cur_issue[i].instr[26:25],cur_issue[i].instr[14:12],cur_issue[i].instr[6:0]} == MARITH) begin
end else if (winner == i && x_result_ready_i && x_result_valid_o && pop_enable && {cur_issue[i].instr[26:25],cur_issue[i].instr[14:12],cur_issue[i].instr[6:0]} == MARITH) begin
op_id_counter_in_q[i] <= op_id_counter_in_q[i] + 1;
end
end
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