MdePkg/Library/BaseLib/Arm/MemoryFence.S File Reference


Detailed Description

##------------------------------------------------------------------------------
#
# 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.
#
##------------------------------------------------------------------------------

.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


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