Add PI1.2.1 EndOfDxe support.

Signed-off-by: jiewen.yao@intel.com
Reviewed-by: michael.d.kinney@intel.com

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14009 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Core/PiSmmCore/PiSmmCore.h

@@ -20,6 +20,7 @@
 
 #include <Protocol/DxeSmmReadyToLock.h>
 #include <Protocol/SmmReadyToLock.h>
+#include <Protocol/SmmEndOfDxe.h>
 #include <Protocol/CpuIo2.h>
 #include <Protocol/SmmCommunication.h>
 #include <Protocol/SmmAccess2.h>
@@ -586,6 +587,28 @@ SmmReadyToLockHandler (
   IN OUT UINTN                    *CommBufferSize  OPTIONAL
   );
 
+/**
+  This function is the main entry point for an SMM handler dispatch
+  or communicate-based callback.
+
+  @param  DispatchHandle  The unique handle assigned to this handler by SmiHandlerRegister().
+  @param  Context         Points to an optional handler context which was specified when the handler was registered.
+  @param  CommBuffer      A pointer to a collection of data in memory that will
+                          be conveyed from a non-SMM environment into an SMM environment.
+  @param  CommBufferSize  The size of the CommBuffer.
+
+  @return Status Code
+
+**/
+EFI_STATUS
+EFIAPI
+SmmEndOfDxeHandler (
+  IN     EFI_HANDLE               DispatchHandle,
+  IN     CONST VOID               *Context,        OPTIONAL
+  IN OUT VOID                     *CommBuffer,     OPTIONAL
+  IN OUT UINTN                    *CommBufferSize  OPTIONAL
+  );
+
 /**
   Place holder function until all the SMM System Table Service are available.