Revision: 14189
http://edk2.svn.sourceforge.net/edk2/?rev=14189&view=rev
Author: oliviermartin
Date: 2013-03-12 00:59:46 +0000 (Tue, 12 Mar 2013)
Log Message:
-----------
ArmPkg/ArmLib: Functions to access ARM HYP Vector base address register.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.mar...@arm.com>
Modified Paths:
--------------
trunk/edk2/ArmPkg/Include/Library/ArmLib.h
trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.asm
Modified: trunk/edk2/ArmPkg/Include/Library/ArmLib.h
===================================================================
--- trunk/edk2/ArmPkg/Include/Library/ArmLib.h 2013-03-12 00:58:37 UTC (rev
14188)
+++ trunk/edk2/ArmPkg/Include/Library/ArmLib.h 2013-03-12 00:59:46 UTC (rev
14189)
@@ -570,4 +570,16 @@
VOID
);
+UINTN
+EFIAPI
+ArmReadHVBar (
+ VOID
+ );
+
+VOID
+EFIAPI
+ArmWriteHVBar (
+ IN UINTN HypModeVectorBase
+ );
+
#endif // __ARM_LIB__
Modified: trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
===================================================================
--- trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S 2013-03-12
00:58:37 UTC (rev 14188)
+++ trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S 2013-03-12
00:59:46 UTC (rev 14189)
@@ -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(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 @@
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
Modified: trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.asm
===================================================================
--- trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.asm
2013-03-12 00:58:37 UTC (rev 14188)
+++ trunk/edk2/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.asm
2013-03-12 00:59:46 UTC (rev 14189)
@@ -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 @@
EXPORT ArmWriteScr
EXPORT ArmReadMVBar
EXPORT ArmWriteMVBar
+ EXPORT ArmReadHVBar
+ EXPORT ArmWriteHVBar
EXPORT ArmCallWFE
EXPORT ArmCallSEV
EXPORT ArmReadSctlr
@@ -161,6 +163,14 @@
mcr p15, 0, r0, c1, c1, 0
bx lr
+ArmReadHVBar
+ mrc p15, 4, r0, c12, c0, 0
+ bx lr
+
+ArmWriteHVBar
+ mcr p15, 4, r0, c12, c0, 0
+ bx lr
+
ArmReadMVBar
mrc p15, 0, r0, c12, c0, 1
bx lr
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