audk/ArmPlatformPkg/PrePeiCore/Arm/ArchPrePeiCore.c

57 lines
1.5 KiB
C

/** @file
* Main file supporting the transition to PEI Core in Normal World for Versatile Express
*
* Copyright (c) 2012, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
#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 0:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reset Exception at 0x%X\n\r",LR);
break;
case 1:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Undefined Exception at 0x%X\n\r",LR);
break;
case 2:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"SWI Exception at 0x%X\n\r",LR);
break;
case 3:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"PrefetchAbort Exception at 0x%X\n\r",LR);
break;
case 4:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"DataAbort Exception at 0x%X\n\r",LR);
break;
case 5:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Reserved Exception at 0x%X\n\r",LR);
break;
case 6:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"IRQ Exception at 0x%X\n\r",LR);
break;
case 7:
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"FIQ 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);
}