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Added comments to PLIC about likely bug

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David Harris 2022-07-05 05:00:29 +00:00
parent abfd935e06
commit 1a356312b2
1 changed files with 2 additions and 2 deletions
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pipelined/src/uncore/plic.sv
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@ -176,8 +176,8 @@ module plic (
end
// pending interrupt requests
//assign nextIntPending = (intPending | requests) & ~intInProgress;
assign nextIntPending = requests;
//assign nextIntPending = (intPending | requests) & ~intInProgress; //
assign nextIntPending = requests; // DH: RT made this change May 2022, but it seems to be a bug to not consider intInProgress; see May 23, 2022 slack discussion
flopr #(`N) intPendingFlop(HCLK,~HRESETn,nextIntPending,intPending);
// context-dependent signals