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-rw-r--r--EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86MemoryFence.c39
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diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86MemoryFence.c b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86MemoryFence.c
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+++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86MemoryFence.c
@@ -0,0 +1,39 @@
+/*++
+
+Copyright (c) 2004 - 2006, Intel Corporation
+All rights reserved. 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.
+
+
+Module Name:
+
+ x86MemoryFence.c
+
+Abstract:
+
+ IA-32/x64 specific functions.
+
+--*/
+
+#include "BaseLibInternal.h"
+
+/**
+ Used to serialize load and store operations.
+
+ All loads and stores that proceed calls to this function are guaranteed to be
+ globally visible when this function returns.
+
+**/
+VOID
+EFIAPI
+MemoryFence (
+ VOID
+ )
+{
+ return;
+}