diff options
Diffstat (limited to 'MdePkg')
| -rwxr-xr-x | MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf | 1 | ||||
| -rw-r--r-- | MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.nasm | 42 |
2 files changed, 43 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf b/MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf index 2628bd7ad6..cf176619d2 100755 --- a/MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf +++ b/MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf @@ -40,6 +40,7 @@ Ia32/InterlockedCompareExchange64.nasm| INTEL
Ia32/InterlockedCompareExchange64.asm | INTEL
+ Ia32/InterlockedCompareExchange32.nasm| INTEL
Ia32/InterlockedCompareExchange32.asm | INTEL
Ia32/InterlockedCompareExchange16.asm | INTEL
Ia32/InterlockedDecrement.asm | INTEL
diff --git a/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.nasm b/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.nasm new file mode 100644 index 0000000000..539327312b --- /dev/null +++ b/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedCompareExchange32.nasm @@ -0,0 +1,42 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, 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 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
+
|