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Possible fix for icache and ptw interlock deadlock issue.

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Ross Thompson 2021-12-13 18:23:43 -06:00
parent b9c8b808ea
commit 8c55bd7b7e
1 changed files with 2 additions and 0 deletions
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2
wally-pipelined/src/cache/icachefsm.sv vendored
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@ -331,8 +331,10 @@ module icachefsm
ICacheStallF = 1'b0; ICacheStallF = 1'b0;
end else if (ITLBWriteF) begin end else if (ITLBWriteF) begin
NextState = STATE_TLB_MISS_DONE; NextState = STATE_TLB_MISS_DONE;
ICacheStallF = 1'b1;
end else begin end else begin
NextState = STATE_TLB_MISS; NextState = STATE_TLB_MISS;
ICacheStallF = 1'b0;
end end
end end
STATE_TLB_MISS_DONE: begin STATE_TLB_MISS_DONE: begin