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[dd, prim] Simplyfing condition to ease coverage closure #25814

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Jan 31, 2025
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[dd, prim] Simplyfing condition to ease coverage closure #25814

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5 changes: 4 additions & 1 deletion hw/ip/prim/rtl/prim_reg_cdc_arb.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,7 @@ module prim_reg_cdc_arb #(
always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
if (!rst_dst_ni) begin
id_q <= SelSwReq;
end else if (dst_update_req && dst_update_ack) begin
end else if (dst_update_ack) begin
id_q <= SelSwReq;
end else if (dst_req && dst_lat_d) begin
id_q <= SelSwReq;
Expand All @@ -165,6 +165,9 @@ module prim_reg_cdc_arb #(
end
end

// dst_update_ack should only be sent if there was a dst_update_req.
`ASSERT(DstAckReqChk_A, dst_update_ack |-> dst_update_req, clk_dst_i, !rst_dst_ni)

// if a destination update is received when the system is idle and there is no
// software side request, hw update must be selected.
`ASSERT(DstUpdateReqCheck_A, ##1 dst_update & !dst_req & !busy |=> id_q == SelHwReq,
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