Files
system76-edk2/MdePkg/Library/BaseLib/Arm/DisableInterrupts.asm
Liming Gao 9095d37b8f MdePkg: Clean up source files
1. Do not use tab characters
2. No trailing white space in one line
3. All files must end with CRLF

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
2018-06-28 11:19:47 +08:00

38 lines
1.1 KiB
NASM

;------------------------------------------------------------------------------
;
; DisableInterrupts() for ARM
;
; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php.
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;------------------------------------------------------------------------------
EXPORT DisableInterrupts
AREA Interrupt_disable, CODE, READONLY
;/**
; Disables CPU interrupts.
;
;**/
;VOID
;EFIAPI
;DisableInterrupts (
; VOID
; );
;
DisableInterrupts
MRS R0,CPSR
ORR R0,R0,#0x80 ;Disable IRQ interrupts
MSR CPSR_c,R0
BX LR
END