audk/MdePkg/Library/BaseLib/AArch64/EnableInterrupts.asm

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1.1 KiB
NASM

;------------------------------------------------------------------------------
;
; EnableInterrupts() for AArch64
;
; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
; Portions copyright (c) 2011 - 2013, ARM Ltd. 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 EnableInterrupts
AREA BaseLib_LowLevel, CODE, READONLY
DAIF_WR_IRQ_BIT EQU (1 << 1)
;/**
; Enables CPU interrupts.
;
;**/
;VOID
;EFIAPI
;EnableInterrupts (
; VOID
; );
;
EnableInterrupts
msr daifclr, #DAIF_WR_IRQ_BIT
ret
END