diff options
| author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-01-30 00:45:13 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-01-30 00:45:13 +0000 |
| commit | 720d3c5fb31b6b2df535f7a281d5d9d297c5eede (patch) | |
| tree | 7f9e1cd0d0a83ae3d5583b186b152ab469f48376 /MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedDecrement.S | |
| parent | 914826ba1dc3f03b2a3a88842ba7e41923231258 (diff) | |
| download | edk2-platforms-720d3c5fb31b6b2df535f7a281d5d9d297c5eede.tar.xz | |
Split out Synchronization Library from Base Library
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7377 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedDecrement.S')
| -rw-r--r-- | MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedDecrement.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedDecrement.S b/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedDecrement.S new file mode 100644 index 0000000000..bea5ac1d74 --- /dev/null +++ b/MdePkg/Library/BaseSynchronizationLib/Ia32/InterlockedDecrement.S @@ -0,0 +1,38 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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:
+#
+# InterlockedDecrement.S
+#
+# Abstract:
+#
+# InternalSyncDecrement function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(InternalSyncDecrement)
+
+#------------------------------------------------------------------------------
+# UINT32
+# EFIAPI
+# InternalSyncDecrement (
+# IN UINT32 *Value
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(InternalSyncDecrement):
+ movl 4(%esp), %eax
+ lock
+ decl (%eax)
+ movl (%eax), %eax
+ ret
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