1 files changed, 53 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmLib/AArch64/ArmLib.c b/ArmPkg/Library/ArmLib/AArch64/ArmLib.c
new file mode 100644
index 0000000000..fa95d352dc
--- /dev/null
+++ b/ArmPkg/Library/ArmLib/AArch64/ArmLib.c
@@ -0,0 +1,53 @@
+/** @file
+
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+  portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
+
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Base.h>
+
+#include <Library/ArmLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+
+#include "ArmLibPrivate.h"
+
+VOID
+EFIAPI
+ArmCacheInformation (
+  OUT ARM_CACHE_INFO  *CacheInfo
+  )
+{
+  if (CacheInfo != NULL) {
+    CacheInfo->Type                           = ArmCacheType();
+    CacheInfo->Architecture                   = ArmCacheArchitecture();
+    CacheInfo->DataCachePresent               = ArmDataCachePresent();
+    CacheInfo->DataCacheSize                  = ArmDataCacheSize();
+    CacheInfo->DataCacheAssociativity         = ArmDataCacheAssociativity();
+    CacheInfo->DataCacheLineLength            = ArmDataCacheLineLength();
+    CacheInfo->InstructionCachePresent        = ArmInstructionCachePresent();
+    CacheInfo->InstructionCacheSize           = ArmInstructionCacheSize();
+    CacheInfo->InstructionCacheAssociativity  = ArmInstructionCacheAssociativity();
+    CacheInfo->InstructionCacheLineLength     = ArmInstructionCacheLineLength();
+  }
+}
+
+VOID
+EFIAPI
+ArmSetAuxCrBit (
+  IN  UINT32    Bits
+  )
+{
+  UINT32 val = ArmReadAuxCr();
+  val |= Bits;
+  ArmWriteAuxCr(val);
+}