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Add Memory fence for ARM Architecture (32 and 64 bit)
[mirror_edk2.git] / MdePkg / Library / BaseLib / AArch64 / DisableInterrupts.S
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1#------------------------------------------------------------------------------\r
2#\r
3# DisableInterrupts() for AArch64\r
4#\r
5# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r
6# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
7# Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>\r
8# This program and the accompanying materials\r
9# are licensed and made available under the terms and conditions of the BSD License\r
10# which accompanies this distribution. The full text of the license may be found at\r
11# http://opensource.org/licenses/bsd-license.php.\r
12#\r
13# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
14# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
15#\r
16#------------------------------------------------------------------------------\r
17\r
18.text\r
19.p2align 2\r
20ASM_GLOBAL ASM_PFX(DisableInterrupts)\r
21\r
22#/**\r
23# Disables CPU interrupts.\r
24#\r
25#**/\r
26#VOID\r
27#EFIAPI\r
28#DisableInterrupts (\r
29# VOID\r
30# );\r
31#\r
32ASM_PFX(DisableInterrupts):\r
33 msr daifset, #2\r
34 ret\r