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| author | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-01 14:49:55 +0000 |
|---|---|---|
| committer | lhauch <lhauch@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-01 14:49:55 +0000 |
| commit | 586cd1f1f4129ab7ec24543d4968801e17cc870b (patch) | |
| tree | e2f1b645e576edee627997ca1abd65e3f9b0add8 /OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange32.S | |
| parent | 144d783d40c8a02113350feabd1b9a55b692313f (diff) | |
| download | edk2-586cd1f1f4129ab7ec24543d4968801e17cc870b.tar.gz edk2-586cd1f1f4129ab7ec24543d4968801e17cc870b.tar.bz2 edk2-586cd1f1f4129ab7ec24543d4968801e17cc870b.zip | |
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/InterlockedCompareExchange32.S')
| -rw-r--r-- | OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange32.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange32.S b/OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange32.S new file mode 100644 index 0000000000..a0a6ad9eb0 --- /dev/null +++ b/OldMdePkg/Library/BaseLib/Ia32/InterlockedCompareExchange32.S @@ -0,0 +1,41 @@ +#------------------------------------------------------------------------------
+#
+# 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:
+#
+# InterlockedCompareExchange32.Asm
+#
+# Abstract:
+#
+# InternalSyncCompareExchange32 function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(InternalSyncCompareExchange32)
+
+#------------------------------------------------------------------------------
+# UINT32
+# EFIAPI
+# InternalSyncCompareExchange32 (
+# IN UINT32 *Value,
+# IN UINT32 CompareValue,
+# IN UINT32 ExchangeValue
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(InternalSyncCompareExchange32):
+ movl 4(%esp), %ecx
+ movl 8(%esp), %eax
+ movl 12(%esp), %edx
+ lock
+ cmpxchgl %edx, (%ecx)
+ ret
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