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

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ArmAsm
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#------------------------------------------------------------------------------
#
# EnableInterrupts() for ARM
#
# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#------------------------------------------------------------------------------
.text
.p2align 2
GCC_ASM_EXPORT(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