]>
git.proxmox.com Git - mirror_edk2.git/blob - MdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange32.c
2 InterlockedCompareExchange32 function
4 Copyright (c) 2006 - 2007, 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
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.
16 // Include common header file for this module.
22 InternalSyncCompareExchange32 (
24 IN UINT32 CompareValue
,
25 IN UINT32 ExchangeValue
31 mov edx
, ExchangeValue
32 lock cmpxchg
[ecx
], edx