sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
ArmPkg/Include/Library/ArmLib.h
View File

@ -570,4 +570,16 @@ ArmReadSctlr (
VOID VOID
); );
UINTN
EFIAPI
ArmReadHVBar (
VOID
);
VOID
EFIAPI
ArmWriteHVBar (
IN UINTN HypModeVectorBase
);
#endif // __ARM_LIB__ #endif // __ARM_LIB__

13
ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
View File

@ -1,7 +1,7 @@
#------------------------------------------------------------------------------ #------------------------------------------------------------------------------
# #
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> # 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 # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # 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(ArmWriteScr)
GCC_ASM_EXPORT(ArmReadMVBar) GCC_ASM_EXPORT(ArmReadMVBar)
GCC_ASM_EXPORT(ArmWriteMVBar) GCC_ASM_EXPORT(ArmWriteMVBar)
GCC_ASM_EXPORT(ArmReadHVBar)
GCC_ASM_EXPORT(ArmWriteHVBar)
GCC_ASM_EXPORT(ArmCallWFE) GCC_ASM_EXPORT(ArmCallWFE)
GCC_ASM_EXPORT(ArmCallSEV) GCC_ASM_EXPORT(ArmCallSEV)
GCC_ASM_EXPORT(ArmReadSctlr) GCC_ASM_EXPORT(ArmReadSctlr)
@ -161,6 +163,15 @@ ASM_PFX(ArmWriteScr):
mcr p15, 0, r0, c1, c1, 0 mcr p15, 0, r0, c1, c1, 0
bx lr 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): ASM_PFX(ArmReadMVBar):
mrc p15, 0, r0, c12, c0, 1 mrc p15, 0, r0, c12, c0, 1
bx lr bx lr

12
ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.asm
View File

@ -1,7 +1,7 @@
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
// //
// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> // 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 // This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License // are licensed and made available under the terms and conditions of the BSD License
@ -44,6 +44,8 @@
EXPORT ArmWriteScr EXPORT ArmWriteScr
EXPORT ArmReadMVBar EXPORT ArmReadMVBar
EXPORT ArmWriteMVBar EXPORT ArmWriteMVBar
EXPORT ArmReadHVBar
EXPORT ArmWriteHVBar
EXPORT ArmCallWFE EXPORT ArmCallWFE
EXPORT ArmCallSEV EXPORT ArmCallSEV
EXPORT ArmReadSctlr EXPORT ArmReadSctlr
@ -161,6 +163,14 @@ ArmWriteScr
mcr p15, 0, r0, c1, c1, 0 mcr p15, 0, r0, c1, c1, 0
bx lr bx lr
ArmReadHVBar
mrc p15, 4, r0, c12, c0, 0
bx lr
ArmWriteHVBar
mcr p15, 4, r0, c12, c0, 0
bx lr
ArmReadMVBar ArmReadMVBar
mrc p15, 0, r0, c12, c0, 1 mrc p15, 0, r0, c12, c0, 1
bx lr bx lr