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authorli-elvin <li-elvin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-02 11:34:35 +0000
committerli-elvin <li-elvin@6f19259b-4bc3-4df7-8a09-765794883524>2011-09-02 11:34:35 +0000
commitab7017fe2bf2c1944090d347e7853e087d8641e8 (patch)
treed7cd1ecb4d6cdf3784a139c33d1d7f1e615674a6 /MdeModulePkg/Universal/CapsuleRuntimeDxe/SaveLongModeContext.c
parent4ff7e37b4f7e336a8ecb7080b8f48eef4b52d396 (diff)
downloadedk2-platforms-ab7017fe2bf2c1944090d347e7853e087d8641e8.tar.xz
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
Diffstat (limited to 'MdeModulePkg/Universal/CapsuleRuntimeDxe/SaveLongModeContext.c')
-rw-r--r--MdeModulePkg/Universal/CapsuleRuntimeDxe/SaveLongModeContext.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/CapsuleRuntimeDxe/SaveLongModeContext.c b/MdeModulePkg/Universal/CapsuleRuntimeDxe/SaveLongModeContext.c
new file mode 100644
index 0000000000..72cea7956b
--- /dev/null
+++ b/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
+ )
+{
+}