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

[mirror_edk2.git] / ArmPkg / Library / ArmLib / Common / Arm / ArmLibSupport.S

diff --git a/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S b/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
index b19185412cb3f4b2f3203818daa51f8d23b7c529..71aee430739e62615ceab805a9cf210a93b2c138 100644 (file)
--- a/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
+++ b/ArmPkg/Library/ArmLib/Common/Arm/ArmLibSupport.S
@@ -1,7 +1,7 @@
 #------------------------------------------------------------------------------ \r
 #\r
 # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
-# Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r
+# Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
 #\r
 # This program and the accompanying materials\r
 # are licensed and made available under the terms and conditions of the BSD License\r
@@ -44,6 +44,8 @@ GCC_ASM_EXPORT(ArmReadScr)
 GCC_ASM_EXPORT(ArmWriteScr)\r
 GCC_ASM_EXPORT(ArmReadMVBar)\r
 GCC_ASM_EXPORT(ArmWriteMVBar)\r
+GCC_ASM_EXPORT(ArmReadHVBar)\r
+GCC_ASM_EXPORT(ArmWriteHVBar)\r
 GCC_ASM_EXPORT(ArmCallWFE)\r
 GCC_ASM_EXPORT(ArmCallSEV)\r
 GCC_ASM_EXPORT(ArmReadSctlr)\r
@@ -161,6 +163,15 @@ ASM_PFX(ArmWriteScr):
   mcr     p15, 0, r0, c1, c1, 0\r
   bx      lr\r
 \r
+ASM_PFX(ArmReadHVBar):\r
+  mrc     p15, 4, r0, c12, c0, 0\r
+  bx      lr\r
+\r
+ASM_PFX(ArmWriteHVBar):\r
+  mcr     p15, 4, r0, c12, c0, 0\r
+  bx      lr\r
+\r
+\r
 ASM_PFX(ArmReadMVBar):\r
   mrc     p15, 0, r0, c12, c0, 1\r
   bx      lr\r