;------------------------------------------------------------------------------ ; ; Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR> ; 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: ; ;------------------------------------------------------------------------------ SECTION .text ;------------------------------------------------------------------------------ ; UINT32 ; EFIAPI ; InternalSyncCompareExchange32 ( ; IN volatile UINT32 *Value, ; IN UINT32 CompareValue, ; IN UINT32 ExchangeValue ; ); ;------------------------------------------------------------------------------ global ASM_PFX(InternalSyncCompareExchange32) ASM_PFX(InternalSyncCompareExchange32): mov ecx, [esp + 4] mov eax, [esp + 8] mov edx, [esp + 12] lock cmpxchg [ecx], edx ret