CloverBootloader/MdePkg/Library/BaseLib/AArch64/MemoryFence.S

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##------------------------------------------------------------------------------
#
# 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