Fix exception handeling

src/main/scala/vexriscv/plugin/CsrPlugin.scala

@@ -716,7 +716,7 @@ class CsrPlugin(val config: CsrPluginConfig) extends Plugin[VexRiscv] with Excep
           }
         }
 
-        when(exceptionValidsRegs.orR){
+        when(exceptionValids.orR){
           fetcher.haltIt()
         }
 

src/main/scala/vexriscv/plugin/IBusCachedPlugin.scala

@@ -233,7 +233,6 @@ class IBusCachedPlugin(resetVector : BigInt = 0x80000000l,
 
         redoFetch clearWhen(!iBusRsp.readyForError)
         cache.io.cpu.fill.valid clearWhen(!iBusRsp.readyForError)
-        if (catchSomething) decodeExceptionPort.valid clearWhen(fetcherHalt)
 
         redoBranch.valid := redoFetch
         redoBranch.payload := (if (decodePcGen) decode.input(PC) else cacheRsp.pc)

src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala

@@ -372,7 +372,7 @@ class IBusSimplePlugin(resetVector : BigInt,
               exceptionDetected := True
             }
           }
-          decodeExceptionPort.valid  :=  exceptionDetected && iBusRsp.readyForError && !fetcherHalt
+          decodeExceptionPort.valid  :=  exceptionDetected && iBusRsp.readyForError
         }
       }
     }