;------------------------------------------------------------------------------ | |
; | |
; MemoryFence() for AArch64 | |
; | |
; Copyright (c) 2013, ARM Ltd. All rights reserved. | |
; | |
; SPDX-License-Identifier: BSD-2-Clause-Patent | |
; | |
;------------------------------------------------------------------------------ | |
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 |