audk/MdePkg/Library/BaseLib/Arm/EnableInterrupts.asm
Michael D Kinney 9344f09215 MdePkg: Replace BSD License with BSD+Patent License
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
2019-04-09 10:58:13 -07:00

32 lines
724 B
NASM

;------------------------------------------------------------------------------
;
; 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
;
;------------------------------------------------------------------------------
EXPORT EnableInterrupts
AREA Interrupt_enable, CODE, READONLY
;/**
; Enables CPU interrupts.
;
;**/
;VOID
;EFIAPI
;EnableInterrupts (
; VOID
; );
;
EnableInterrupts
MRS R0,CPSR
BIC R0,R0,#0x80 ;Enable IRQ interrupts
MSR CPSR_c,R0
BX LR
END