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; InterlockedCompareExchange64.Asm 15; 16; Abstract: 17; 18; InterlockedCompareExchange64 function 19; 20; Notes: 21; 22;------------------------------------------------------------------------------ 23 24 .586P 25 .model flat,C 26 .code 27 28;------------------------------------------------------------------------------ 29; UINT64 30; EFIAPI 31; InternalSyncCompareExchange64 ( 32; IN volatile UINT64 *Value, 33; IN UINT64 CompareValue, 34; IN UINT64 ExchangeValue 35; ); 36;------------------------------------------------------------------------------ 37InternalSyncCompareExchange64 PROC USES esi ebx 38 mov esi, [esp + 12] 39 mov eax, [esp + 16] 40 mov edx, [esp + 20] 41 mov ebx, [esp + 24] 42 mov ecx, [esp + 28] 43 lock cmpxchg8b qword ptr [esi] 44 ret 45InternalSyncCompareExchange64 ENDP 46 47 END 48