1 ;------------------------------------------------------------------------------
3 ; MemoryFence() for AArch64
5 ; Copyright (c) 2013, ARM Ltd. All rights reserved.
7 ; This program and the accompanying materials
8 ; are licensed and made available under the terms and conditions of the BSD License
9 ; which accompanies this distribution. The full text of the license may be found at
10 ; http://opensource.org/licenses/bsd-license.php.
12 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 ;------------------------------------------------------------------------------
18 AREA BaseLib_LowLevel, CODE, READONLY
21 ; Used to serialize load and store operations.
23 ; All loads and stores that proceed calls to this function are guaranteed to be
24 ; globally visible when this function returns.
34 // System wide Data Memory Barrier.