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Oups. Introduced undetected bug into the cache's cbo insructions.

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Rose Thompson 2023-11-28 01:03:48 -06:00
parent 9a24a5d957
commit 0229df4a0f
1 changed files with 1 additions and 1 deletions
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2
src/cache/cachefsm.sv vendored
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@ -129,7 +129,7 @@ module cachefsm import cvw::*; #(parameter cvw_t P,
STATE_READ_HOLD: if(Stall) NextState = STATE_READ_HOLD;
else NextState = STATE_READY;
// exclusion-tag-start: icache case
STATE_WRITEBACK: if(CacheBusAck & ~CMOp[3]) NextState = STATE_FETCH;
STATE_WRITEBACK: if(CacheBusAck & ~(|CMOp[3:1])) NextState = STATE_FETCH;
else if(CacheBusAck) NextState = STATE_READ_HOLD;
else NextState = STATE_WRITEBACK;
// eviction needs a delay as the bus fsm does not correctly handle sending the write command at the same time as getting back the bus ack.