audk/MdePkg/Library/BaseLib/Arm/EnableInterrupts.S

37 lines
1.0 KiB
ArmAsm

#------------------------------------------------------------------------------
#
# EnableInterrupts() for ARM
#
# Copyright (c) 2006 - 2009, Intel Corporation<BR>
# Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
# All rights reserved. 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.
#
#------------------------------------------------------------------------------
.text
.p2align 2
.globl ASM_PFX(EnableInterrupts)
#/**
# Enables CPU interrupts.
#
#**/
#VOID
#EFIAPI
#EnableInterrupts (
# VOID
# );
#
ASM_PFX(EnableInterrupts):
mrs R0,CPSR
bic R0,R0,#0x80 @Enable IRQ interrupts
msr CPSR_c,R0
bx LR