1;------------------------------------------------------------------------------ 2; 3; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> 4; This program and the accompanying materials 5; are licensed and made available under the terms and conditions of the BSD License 6; which accompanies this distribution. The full text of the license may be found at 7; http://opensource.org/licenses/bsd-license.php. 8; 9; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11; 12; Module Name: 13; 14; InterlockedCompareExchange32.Asm 15; 16; Abstract: 17; 18; InterlockedCompareExchange32 function 19; 20; Notes: 21; 22;------------------------------------------------------------------------------ 23 24 .486 25 .model flat,C 26 .code 27 28;------------------------------------------------------------------------------ 29; UINT32 30; EFIAPI 31; InternalSyncCompareExchange32 ( 32; IN UINT32 *Value, 33; IN UINT32 CompareValue, 34; IN UINT32 ExchangeValue 35; ); 36;------------------------------------------------------------------------------ 37InternalSyncCompareExchange32 PROC 38 mov ecx, [esp + 4] 39 mov eax, [esp + 8] 40 mov edx, [esp + 12] 41 lock cmpxchg [ecx], edx 42 ret 43InternalSyncCompareExchange32 ENDP 44 45 END 46