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;------------------------------------------------------------------------------
;
; 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
|
