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 19 GCC_ASM_EXPORT(DisableInterrupts) 20 21 #/** 22 # Disables CPU interrupts. 23 # 24 #**/ 25 #VOID 26 #EFIAPI 27 #DisableInterrupts ( 28 # VOID 29 # ); 30 # 31 ASM_PFX(DisableInterrupts): 32 mrs R0,CPSR 33 orr R0,R0,#0x80 @Disable IRQ interrupts 34 msr CPSR_c,R0 35 bx LR 36
