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ArmPkg/ArmLib: Functions to access ARM HYP Vector base address register.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14189 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2013-03-12 00:59:46 +00:00
parent 8fa3caf2bc
commit 5ea2c2d334
3 changed files with 35 additions and 2 deletions
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13
ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
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@@ -1,7 +1,7 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
# Copyright (c) 2011-2013, ARM Limited. All rights reserved.
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@@ -44,6 +44,8 @@ GCC_ASM_EXPORT(ArmReadScr)
GCC_ASM_EXPORT(ArmWriteScr)
GCC_ASM_EXPORT(ArmReadMVBar)
GCC_ASM_EXPORT(ArmWriteMVBar)
GCC_ASM_EXPORT(ArmReadHVBar)
GCC_ASM_EXPORT(ArmWriteHVBar)
GCC_ASM_EXPORT(ArmCallWFE)
GCC_ASM_EXPORT(ArmCallSEV)
GCC_ASM_EXPORT(ArmReadSctlr)
@@ -161,6 +163,15 @@ ASM_PFX(ArmWriteScr):
mcr p15, 0, r0, c1, c1, 0
bx lr
ASM_PFX(ArmReadHVBar):
mrc p15, 4, r0, c12, c0, 0
bx lr
ASM_PFX(ArmWriteHVBar):
mcr p15, 4, r0, c12, c0, 0
bx lr
ASM_PFX(ArmReadMVBar):
mrc p15, 0, r0, c12, c0, 1
bx lr