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Updated the hazard logic for CMO operations.

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Ross Thompson 2023-08-17 17:58:49 -05:00
parent 072126b967
commit 9dcc70d6c1
1 changed files with 3 additions and 1 deletions
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src/ieu/controller.sv
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@ -425,5 +425,7 @@ module controller import cvw::*; #(parameter cvw_t P) (
// the synchronous DTIM cannot read immediately after write
// a cache cannot read or write immediately after a write
// atomic operations are also detected as MemRWD[1]
assign StoreStallD = MemRWE[0] & ((MemRWD[1] | (MemRWD[0] & P.DCACHE_SUPPORTED)));
//assign StoreStallD = MemRWE[0] & ((MemRWD[1] | (MemRWD[0] & P.DCACHE_SUPPORTED)));
// *** RT: Modify for ZICBOZ
assign StoreStallD = (MemRWE[0] | (|CMOpE & P.ZICBOM_SUPPORTED)) & ((MemRWD[1] | (MemRWD[0] & P.DCACHE_SUPPORTED) | (|CMOpD & P.ZICBOM_SUPPORTED)));
endmodule