ArmPlatformPkg/PrePeiCore/Arm/ArchPrePeiCore.c

   1 /** @file
   2 *  Main file supporting the transition to PEI Core in Normal World for Versatile Express
   3 *
   4 *  Copyright (c) 2012, ARM Limited. All rights reserved.
   5 *
   6 *  This program and the accompanying materials
   7 *  are licensed and made available under the terms and conditions of the BSD License
   8 *  which accompanies this distribution.  The full text of the license may be found at
   9 *  http://opensource.org/licenses/bsd-license.php
  10 *
  11 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13 *
  14 **/
  15
  16 #include <Library/PrintLib.h>
  17 #include <Library/SerialPortLib.h>
  18
  19 #include "PrePeiCore.h"
  20
  21 VOID
  22 PeiCommonExceptionEntry (
  23   IN UINT32 Entry,
  24   IN UINTN LR
  25   )
  26 {
  27   CHAR8           Buffer[100];
  28   UINTN           CharCount;
  29
  30   switch (Entry) {
  31   case 0:
  32     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reset Exception at 0x%X\n\r",LR);
  33     break;
  34   case 1:
  35     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Undefined Exception at 0x%X\n\r",LR);
  36     break;
  37   case 2:
  38     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"SWI Exception at 0x%X\n\r",LR);
  39     break;
  40   case 3:
  41     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"PrefetchAbort Exception at 0x%X\n\r",LR);
  42     break;
  43   case 4:
  44     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"DataAbort Exception at 0x%X\n\r",LR);
  45     break;
  46   case 5:
  47     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reserved Exception at 0x%X\n\r",LR);
  48     break;
  49   case 6:
  50     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"IRQ Exception at 0x%X\n\r",LR);
  51     break;
  52   case 7:
  53     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"FIQ Exception at 0x%X\n\r",LR);
  54     break;
  55   default:
  56     CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Unknown Exception at 0x%X\n\r",LR);
  57     break;
  58   }
  59   SerialPortWrite ((UINT8 *) Buffer, CharCount);
  60   while(1);
  61 }
  62