ArmPlatformPkg/PrePeiCore/AArch64/ArchPrePeiCore.c

   1 /** @file
   2   Main file supporting the transition to PEI Core in Normal World for Versatile Express
   3
   4   Copyright (c) 2012-2013, ARM Limited. All rights reserved.
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include <Library/PrintLib.h>
  11 #include <Library/SerialPortLib.h>
  12
  13 #include "PrePeiCore.h"
  14
  15 VOID
  16 PeiCommonExceptionEntry (
  17   IN UINT32  Entry,
  18   IN UINTN   LR
  19   )
  20 {
  21   CHAR8  Buffer[100];
  22   UINTN  CharCount;
  23
  24   switch (Entry) {
  25     case EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS:
  26       CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "Synchronous Exception at 0x%X\n\r", LR);
  27       break;
  28     case EXCEPT_AARCH64_IRQ:
  29       CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "IRQ Exception at 0x%X\n\r", LR);
  30       break;
  31     case EXCEPT_AARCH64_FIQ:
  32       CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "FIQ Exception at 0x%X\n\r", LR);
  33       break;
  34     case EXCEPT_AARCH64_SERROR:
  35       CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "SError/Abort Exception at 0x%X\n\r", LR);
  36       break;
  37     default:
  38       CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "Unknown Exception at 0x%X\n\r", LR);
  39       break;
  40   }
  41
  42   SerialPortWrite ((UINT8 *)Buffer, CharCount);
  43
  44   while (1) {
  45   }
  46 }