diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/InterlockedDecrement.asm')
-rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/InterlockedDecrement.asm | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/InterlockedDecrement.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/InterlockedDecrement.asm new file mode 100644 index 0000000..d84e8e6 --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/InterlockedDecrement.asm @@ -0,0 +1,40 @@ +; Copyright (c) 2004, 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.Asm +; +; Abstract: +; +; InterlockedDecrement function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; UINT32 +; EFIAPI +; InternalSyncDecrement ( +; IN UINT32 *Value +; ); +;------------------------------------------------------------------------------ +InternalSyncDecrement PROC + mov eax, [esp + 4] + lock dec dword ptr [eax] + mov eax, [eax] + ret +InternalSyncDecrement ENDP + + END |