1#------------------------------------------------------------------------------ 2# 3# DisableInterrupts() for AArch64 4# 5# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> 6# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 7# Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR> 8# This program and the accompanying materials 9# are licensed and made available under the terms and conditions of the BSD License 10# which accompanies this distribution. The full text of the license may be found at 11# http://opensource.org/licenses/bsd-license.php. 12# 13# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 14# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 15# 16#------------------------------------------------------------------------------ 17 18.text 19.p2align 2 20GCC_ASM_EXPORT(DisableInterrupts) 21 22.set DAIF_WR_IRQ_BIT, (1 << 1) 23 24#/** 25# Disables CPU interrupts. 26# 27#**/ 28#VOID 29#EFIAPI 30#DisableInterrupts ( 31# VOID 32# ); 33# 34ASM_PFX(DisableInterrupts): 35 msr daifset, #DAIF_WR_IRQ_BIT 36 ret 37