1;------------------------------------------------------------------------------ 2; 3; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> 4; Copyright (c) 2015, Linaro Ltd. All rights reserved.<BR> 5; 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. 9; 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. 12; 13; Module Name: 14; 15; InterlockedCompareExchange16.Asm 16; 17; Abstract: 18; 19; InterlockedCompareExchange16 function 20; 21; Notes: 22; 23;------------------------------------------------------------------------------ 24 25 .486 26 .model flat,C 27 .code 28 29;------------------------------------------------------------------------------ 30; UINT16 31; EFIAPI 32; InternalSyncCompareExchange16 ( 33; IN UINT16 *Value, 34; IN UINT16 CompareValue, 35; IN UINT16 ExchangeValue 36; ); 37;------------------------------------------------------------------------------ 38InternalSyncCompareExchange16 PROC 39 mov ecx, [esp + 4] 40 mov ax, [esp + 8] 41 mov dx, [esp + 12] 42 lock cmpxchg [ecx], dx 43 ret 44InternalSyncCompareExchange16 ENDP 45 46 END 47