mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-28 17:08:18 +01:00
34 lines
697 B
ArmAsm
34 lines
697 B
ArmAsm
|
##------------------------------------------------------------------------------
|
||
|
|
#
|
||
|
|
# 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
|
||
|
|
bx lr
|