1 ;------------------------------------------------------------------------------ 2 ; 3 ; Copyright (c) 2006 - 2016, 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 volatile UINT32 *Value, 33 ; IN UINT32 CompareValue, 34 ; IN UINT32 ExchangeValue 35 ; ); 36 ;------------------------------------------------------------------------------ 37 InternalSyncCompareExchange32 PROC 38 mov ecx, [esp + 4] 39 mov eax, [esp + 8] 40 mov edx, [esp + 12] 41 lock cmpxchg [ecx], edx 42 ret 43 InternalSyncCompareExchange32 ENDP 44 45 END 46
