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cbo.zero works for uncached memory now!

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This commit is contained in:
Rose Thompson 2023-12-29 11:11:06 -06:00
parent d1456b2471
commit 52dad4f130
1 changed files with 4 additions and 1 deletions
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src/lsu/lsu.sv
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@ -307,11 +307,14 @@ module lsu import cvw::*; #(parameter cvw_t P) (
logic CacheStall; logic CacheStall;
logic [1:0] CacheBusRWTemp; logic [1:0] CacheBusRWTemp;
logic BusCMOZero; logic BusCMOZero;
logic [3:0] CacheCMOpM;
if(P.ZICBOZ_SUPPORTED) begin if(P.ZICBOZ_SUPPORTED) begin
assign BusCMOZero = CMOpM[3] & ~CacheableM; assign BusCMOZero = CMOpM[3] & ~CacheableM;
assign CacheCMOpM = CacheableM ? CMOpM : '0;
end else begin end else begin
assign BusCMOZero = '0; assign BusCMOZero = '0;
assign CacheCMOpM = '0;
end end
assign BusRW = ~CacheableM & ~SelDTIM ? LSURWM : '0; assign BusRW = ~CacheableM & ~SelDTIM ? LSURWM : '0;
assign CacheableOrFlushCacheM = CacheableM | FlushDCacheM; assign CacheableOrFlushCacheM = CacheableM | FlushDCacheM;
@ -329,7 +332,7 @@ module lsu import cvw::*; #(parameter cvw_t P) (
.CacheCommitted(DCacheCommittedM), .CacheCommitted(DCacheCommittedM),
.CacheBusAdr(DCacheBusAdr), .ReadDataWord(DCacheReadDataWordM), .CacheBusAdr(DCacheBusAdr), .ReadDataWord(DCacheReadDataWordM),
.FetchBuffer, .CacheBusRW(CacheBusRWTemp), .FetchBuffer, .CacheBusRW(CacheBusRWTemp),
.CacheBusAck(DCacheBusAck), .InvalidateCache(1'b0), .CMOp(CMOpM)); .CacheBusAck(DCacheBusAck), .InvalidateCache(1'b0), .CMOp(CacheCMOpM));
assign DCacheStallM = CacheStall & ~IgnoreRequestTLB; assign DCacheStallM = CacheStall & ~IgnoreRequestTLB;
assign CacheBusRW = CacheBusRWTemp; assign CacheBusRW = CacheBusRWTemp;