Add capsule > 4GB support. When capsule data is put above 4GB, IA32 PEI transfers to long mode to get capsule data.

Signed-off-by: li-elvin
Reviewed-by: lgao4, mdkinney


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12264 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/CapsuleRuntimeDxe/SaveLongModeContext.c

@@ -0,0 +1,27 @@
+/** @file
+  Create the NULL function to pass build in IA32/IPF/ARM/EBC.
+
+Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Uefi.h>
+
+/**
+  Only when PEI is IA32 and DXE is X64, we need transfer to long mode in PEI
+  in order to process capsule data above 4GB. So create a NULL function here for
+  other cases.
+**/
+VOID
+SaveLongModeContext (
+  VOID
+  )
+{
+}