1 files changed, 31 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/x86MemoryFence.c b/MdePkg/Library/BaseLib/x86MemoryFence.c
new file mode 100644
index 0000000000..96b1bf26c5
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x86MemoryFence.c
@@ -0,0 +1,31 @@
+/** @file
+  IA-32/x64 MemoryFence().
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  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
+
+**/
+
+/**
+  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;
+}