1 ;------------------------------------------------------------------------------ 2 ; 3 ; MemoryFence() for AArch64 4 ; 5 ; Copyright (c) 2013, ARM Ltd. All rights reserved. 6 ; 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. 11 ; 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. 14 ; 15 ;------------------------------------------------------------------------------ 16 17 EXPORT MemoryFence 18 19 AREA MemoryBarriers, CODE, READONLY 20 21 ;/** 22 ; Used to serialize load and store operations. 23 ; 24 ; All loads and stores that proceed calls to this function are guaranteed to be 25 ; globally visible when this function returns. 26 ; 27 ;**/ 28 ;VOID 29 ;EFIAPI 30 ;MemoryFence ( 31 ; VOID 32 ; ); 33 ; 34 MemoryFence FUNCTION 35 dmb 36 bx lr 37 ENDFUNC 38 39 END 40