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 EXPORT DisableInterrupts 18 19 AREA Interrupt_disable, CODE, READONLY 20 21 ;/** 22 ; Disables CPU interrupts. 23 ; 24 ;**/ 25 ;VOID 26 ;EFIAPI 27 ;DisableInterrupts ( 28 ; VOID 29 ; ); 30 ; 31 DisableInterrupts 32 MRS R0,CPSR 33 ORR R0,R0,#0x80 ;Disable IRQ interrupts 34 MSR CPSR_c,R0 35 BX LR 36 37 END 38
