+++ /dev/null
-/**\r
- InterlockedCompareExchange64 function\r
-\r
- Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include "BaseLibInternals.h"\r
-\r
-UINT64\r
-EFIAPI\r
-InternalSyncCompareExchange64 (\r
- IN volatile UINT64 *Value,\r
- IN UINT64 CompareValue,\r
- IN UINT64 ExchangeValue\r
- )\r
-{\r
- _asm {\r
- mov esi, Value\r
- mov eax, dword ptr [CompareValue + 0]\r
- mov edx, dword ptr [CompareValue + 4]\r
- mov ebx, dword ptr [ExchangeValue + 0]\r
- mov ecx, dword ptr [ExchangeValue + 4]\r
- lock cmpxchg8b qword ptr [esi]\r
- }\r
-}\r