diff -r ececa5a5473b edk2-sparse/EdkXenPkg/Dxe/XenSal/Sal.c
--- a/edk2-sparse/EdkXenPkg/Dxe/XenSal/Sal.c	Thu Apr 17 06:50:28 2008 +0200
+++ b/edk2-sparse/EdkXenPkg/Dxe/XenSal/Sal.c	Tue May 13 16:50:49 2008 +0900
@@ -122,7 +122,7 @@
       SalSlaveInitVector->Gp = Arg7;
 
       status = EFI_SAL_SUCCESS;
-      return SalEmulator (FunctionId, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8);
+      break;
     case EFI_SAL_SET_BOOT_RENDEZ_VECTOR:
       SalRendezVector.Ip = Arg3;
       SalRendezVector.Gp = Arg4;
@@ -136,3 +136,23 @@
   }
   return (SAL_RETURN_REGS) {status, r9, r10, r11};
 }
+
+VOID
+EFIAPI
+SalProcAddressChangeEvent (
+  IN EFI_EVENT        Event,
+  IN VOID             *Context
+  )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+--*/
+{
+  EfiConvertPointer (0x0, (VOID **) &SalMonarchInitVector);
+  EfiConvertPointer (0x0, (VOID **) &SalSlaveInitVector);
+}