audk/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedIncrement.nasm

41 lines
1.2 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2016, 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:
;
; InterlockedIncrement.Asm
;
; Abstract:
;
; InterlockedIncrement function
;
; Notes:
;
;------------------------------------------------------------------------------
DEFAULT REL
SECTION .text
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; InternalSyncIncrement (
; IN volatile UINT32 *Value
; );
;------------------------------------------------------------------------------
global ASM_PFX(InternalSyncIncrement)
ASM_PFX(InternalSyncIncrement):
mov eax, 1
lock xadd dword [rcx], eax
inc eax
ret