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;------------------------------------------------------------------------------
;
; Copyright (c) 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:
;
; InterlockedCompareExchange32.Asm
;
; Abstract:
;
; InterlockedCompareExchange32 function
;
; Notes:
;
;------------------------------------------------------------------------------
.486
.model flat,C
.code
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; InternalSyncCompareExchange32 (
; IN UINT32 *Value,
; IN UINT32 CompareValue,
; IN UINT32 ExchangeValue
; );
;------------------------------------------------------------------------------
InternalSyncCompareExchange32 PROC
mov ecx, [esp + 4]
mov eax, [esp + 8]
mov edx, [esp + 12]
lock cmpxchg [ecx], edx
ret
InternalSyncCompareExchange32 ENDP
END
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