diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
| commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
| tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange16.asm | |
| parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
| download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz | |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange16.asm')
| -rw-r--r-- | Core/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange16.asm | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange16.asm b/Core/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange16.asm new file mode 100644 index 0000000000..79266624b1 --- /dev/null +++ b/Core/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange16.asm @@ -0,0 +1,42 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2015, Linaro Ltd. 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:
+;
+; InterlockedCompareExchange16.Asm
+;
+; Abstract:
+;
+; InterlockedCompareExchange16 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; InterlockedCompareExchange16 (
+; IN UINT16 *Value,
+; IN UINT16 CompareValue,
+; IN UINT16 ExchangeValue
+; );
+;------------------------------------------------------------------------------
+InternalSyncCompareExchange16 PROC
+ mov ax, dx
+ lock cmpxchg [rcx], r8w
+ ret
+InternalSyncCompareExchange16 ENDP
+
+ END
|