system76-edk2/OvmfPkg/XenBusDxe/Ia32/InterlockedCompareExchange16.nasm
Anthony PERARD 09c3757bc4 OvmfPkg XenBusDxe: Convert Ia32/InterlockedCompareExchange16.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/InterlockedCompareExchange16.asm to Ia32/InterlockedCompareExchange16.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16315 6f19259b-4bc3-4df7-8a09-765794883524
2014-11-08 02:40:58 +00:00

43 lines
1.4 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. 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:
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; InternalSyncCompareExchange16 (
; IN UINT16 *Value,
; IN UINT16 CompareValue,
; IN UINT16 ExchangeValue
; );
;------------------------------------------------------------------------------
global ASM_PFX(InternalSyncCompareExchange16)
ASM_PFX(InternalSyncCompareExchange16):
mov ecx, [esp + 4]
mov eax, [esp + 8]
mov edx, [esp + 12]
lock cmpxchg [ecx], dx
ret