9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
34 lines
696 B
ArmAsm
34 lines
696 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 sy
|
|
ret
|