X64/InterlockedCompareExchange32.c | MSFT\r
X64/InterlockedCompareExchange16.c | MSFT\r
\r
+ X64/InterlockedCompareExchange64.nasm| INTEL\r
X64/InterlockedCompareExchange64.asm | INTEL\r
X64/InterlockedCompareExchange32.asm | INTEL\r
X64/InterlockedCompareExchange16.asm | INTEL\r
--- /dev/null
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2006, 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
+; Module Name:\r
+;\r
+; InterlockedCompareExchange64.Asm\r
+;\r
+; Abstract:\r
+;\r
+; InterlockedCompareExchange64 function\r
+;\r
+; Notes:\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+ DEFAULT REL\r
+ SECTION .text\r
+\r
+;------------------------------------------------------------------------------\r
+; UINT64\r
+; EFIAPI\r
+; InterlockedCompareExchange64 (\r
+; IN UINT64 *Value,\r
+; IN UINT64 CompareValue,\r
+; IN UINT64 ExchangeValue\r
+; );\r
+;------------------------------------------------------------------------------\r
+global ASM_PFX(InternalSyncCompareExchange64)\r
+ASM_PFX(InternalSyncCompareExchange64):\r
+ mov rax, rdx\r
+ lock cmpxchg [rcx], r8\r
+ ret\r
+\r