blob: e553bd2dc9fcf63f60ab3f929a5e00f8980476a4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
##------------------------------------------------------------------------------
#
# MemoryFence() for AArch64
#
# Copyright (c) 2013, ARM Ltd. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##------------------------------------------------------------------------------
.text
.p2align 2
GCC_ASM_EXPORT(MemoryFence)
#/**
# 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
# );
#
ASM_PFX(MemoryFence):
// System wide Data Memory Barrier.
dmb sy
ret
|
