MdePkg/Library/BaseLib/x86MemoryFence.c

   1 /** @file
   2   IA-32/x64 MemoryFence().
   3
   4   Copyright (c) 2006, Intel Corporation<BR>
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13   Module Name:  x86MemoryFence.c
  14
  15 **/
  16
  17 //
  18 // Include common header file for this module.
  19 //
  20 #include "CommonHeader.h"
  21
  22 /**
  23   Used to serialize load and store operations.
  24
  25   All loads and stores that proceed calls to this function are guaranteed to be
  26   globally visible when this function returns.
  27
  28 **/
  29 VOID
  30 EFIAPI
  31 MemoryFence (
  32   VOID
  33   )
  34 {
  35   return;
  36 }