fix: difftest estat

X-Actions-Control: difftest

Author: yizishun

rtl/src/CoreTop.scala

@@ -662,9 +662,9 @@ class CoreTop(val parameter: CoreTopParameter)
       difftestInstrCommit.io.wdest          := RegNext(backend.io.commit.ldest(i))
       difftestInstrCommit.io.wdata          := RegNext(backend.io.commit.writebackData(i).data.get)
       difftestInstrCommit.io.csr_rstat      := RegNext(
-        (backend.io.commit.func.get(i) === CsrOp.CSRRd.asUInt && 
-        backend.io.commit.func.get(i) === CsrOp.CSRWr.asUInt && 
-        backend.io.commit.func.get(i) === CsrOp.CSRXchg.asUInt && 
+        ((backend.io.commit.func.get(i) === CsrOp.CSRRd.asUInt || 
+        backend.io.commit.func.get(i) === CsrOp.CSRWr.asUInt || 
+        backend.io.commit.func.get(i) === CsrOp.CSRXchg.asUInt) &&
         backend.io.commit.fu.get(i) === FU.CSR))
       difftestInstrCommit.io.csr_data       := RegNext(backend.io.commit.csrEstate.get(i))
       when(backend.io.commit.inst.get(i) === 0x002b0011.U) {