ArmPlatformPkg: Added Aarch64 support

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



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14489 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/PrePeiCore/AArch64/ArchPrePeiCore.c

@@ -0,0 +1,52 @@
+/** @file
+*  Main file supporting the transition to PEI Core in Normal World for Versatile Express
+*
+*  Copyright (c) 2012-2013, 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
+*  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 <Library/PrintLib.h>
+#include <Library/SerialPortLib.h>
+
+#include "PrePeiCore.h"
+
+VOID
+PeiCommonExceptionEntry (
+  IN UINT32 Entry,
+  IN UINTN LR
+  )
+{
+  CHAR8           Buffer[100];
+  UINTN           CharCount;
+
+  switch (Entry) {
+  case EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS:
+    CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Synchronous Exception at 0x%X\n\r", LR);
+    break;
+  case EXCEPT_AARCH64_IRQ:
+    CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"IRQ Exception at 0x%X\n\r", LR);
+    break;
+  case EXCEPT_AARCH64_FIQ:
+    CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"FIQ Exception at 0x%X\n\r", LR);
+    break;
+  case EXCEPT_AARCH64_SERROR:
+    CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"SError/Abort Exception at 0x%X\n\r", LR);
+    break;
+  default:
+    CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Unknown Exception at 0x%X\n\r", LR);
+    break;
+  }
+
+  SerialPortWrite ((UINT8 *) Buffer, CharCount);
+
+  while(1);
+}
+