;------------------------------------------------------------------------------ | |
; | |
; MemoryFence() for AArch64 | |
; | |
; Copyright (c) 2013, ARM Ltd. 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. | |
; | |
;------------------------------------------------------------------------------ | |
EXPORT MemoryFence | |
AREA BaseLib_LowLevel, CODE, READONLY | |
;/** | |
; Used to serialize load and store operations. | |
; | |
; All loads and stores that proceed calls to this function are guaranteed to be | |
; globally visible when this function returns. | |
; | |
;**/ | |
;VOID | |
;EFIAPI | |
;MemoryFence ( | |
; VOID | |
; ); | |
; | |
MemoryFence | |
// System wide Data Memory Barrier. | |
dmb sy | |
ret | |
END |