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author | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-01 14:49:55 +0000 |
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committer | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-01 14:49:55 +0000 |
commit | 586cd1f1f4129ab7ec24543d4968801e17cc870b (patch) | |
tree | e2f1b645e576edee627997ca1abd65e3f9b0add8 /OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.asm | |
parent | 144d783d40c8a02113350feabd1b9a55b692313f (diff) | |
download | edk2-platforms-586cd1f1f4129ab7ec24543d4968801e17cc870b.tar.xz |
Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing builds. Also updated the SPD and FPD files UiNames
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2616 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.asm')
-rw-r--r-- | OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.asm | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.asm b/OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.asm new file mode 100644 index 0000000000..18311e77d3 --- /dev/null +++ b/OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange64.asm @@ -0,0 +1,47 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. 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:
+;
+; InterlockedCompareExchange64.Asm
+;
+; Abstract:
+;
+; InterlockedCompareExchange64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .586P
+ .model flat,C
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InternalSyncCompareExchange64 (
+; IN UINT64 *Value,
+; IN UINT64 CompareValue,
+; IN UINT64 ExchangeValue
+; );
+;------------------------------------------------------------------------------
+InternalSyncCompareExchange64 PROC USES esi ebx
+ mov esi, [esp + 12]
+ mov eax, [esp + 16]
+ mov edx, [esp + 20]
+ mov ebx, [esp + 24]
+ mov ecx, [esp + 28]
+ lock cmpxchg8b qword ptr [esi]
+ ret
+InternalSyncCompareExchange64 ENDP
+
+ END
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