1#------------------------------------------------------------------------------ 2# 3# DisableInterrupts() for ARM 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# This program and the accompanying materials 8# are licensed and made available under the terms and conditions of the BSD License 9# which accompanies this distribution. The full text of the license may be found at 10# http://opensource.org/licenses/bsd-license.php. 11# 12# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14# 15#------------------------------------------------------------------------------ 16 17.text 18.p2align 2 19GCC_ASM_EXPORT(DisableInterrupts) 20 21#/** 22# Disables CPU interrupts. 23# 24#**/ 25#VOID 26#EFIAPI 27#DisableInterrupts ( 28# VOID 29# ); 30# 31ASM_PFX(DisableInterrupts): 32 mrs R0,CPSR 33 orr R0,R0,#0x80 @Disable IRQ interrupts 34 msr CPSR_c,R0 35 bx LR 36