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30 lines
687 B
ArmAsm
30 lines
687 B
ArmAsm
#------------------------------------------------------------------------------
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#
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# DisableInterrupts() for ARM
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#
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# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#------------------------------------------------------------------------------
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.text
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.p2align 2
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GCC_ASM_EXPORT(DisableInterrupts)
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#/**
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# Disables CPU interrupts.
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#
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#**/
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#VOID
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#EFIAPI
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#DisableInterrupts (
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# VOID
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# );
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#
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ASM_PFX(DisableInterrupts):
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mrs R0,CPSR
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orr R0,R0,#0x80 @Disable IRQ interrupts
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msr CPSR_c,R0
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bx LR
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