audk/ArmPkg/Library/ArmMmuLib/Arm/ArmMmuLibV7Support.asm
Michael D Kinney 4059386c70 ArmPkg: 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: Leif Lindholm <leif.lindholm@linaro.org>
2019-04-09 09:10:21 -07:00

27 lines
676 B
NASM

//------------------------------------------------------------------------------
//
// Copyright (c) 2016, Linaro Limited. All rights reserved.
//
// SPDX-License-Identifier: BSD-2-Clause-Patent
//
//------------------------------------------------------------------------------
INCLUDE AsmMacroExport.inc
//------------------------------------------------------------------------------
RVCT_ASM_EXPORT ArmHasMpExtensions
mrc p15,0,R0,c0,c0,5
// Get Multiprocessing extension (bit31)
lsr R0, R0, #31
bx LR
RVCT_ASM_EXPORT ArmReadIdMmfr0
mrc p15, 0, r0, c0, c1, 4 ; Read ID_MMFR0 Register
bx lr
END