mirror of https://github.com/acidanthera/audk.git
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/** @file
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Architecture specific handling of CPU exceptions taken while running in PEI.
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Copyright (c) 2012, ARM Limited. All rights reserved.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "Sec.h"
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/**
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Minimal high level handling of exceptions occurring in PEI.
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@param[in] Entry Type of exception
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@param[in] LR Address of instruction where the exception was taken
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**/
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VOID
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PeiCommonExceptionEntry (
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IN UINT32 Entry,
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IN UINTN LR
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)
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{
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CHAR8 Buffer[100];
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UINTN CharCount;
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switch (Entry) {
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case 0:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "Reset Exception at 0x%X\n\r", LR);
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break;
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case 1:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "Undefined Exception at 0x%X\n\r", LR);
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break;
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case 2:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "SWI Exception at 0x%X\n\r", LR);
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break;
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case 3:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "PrefetchAbort Exception at 0x%X\n\r", LR);
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break;
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case 4:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "DataAbort Exception at 0x%X\n\r", LR);
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break;
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case 5:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "Reserved Exception at 0x%X\n\r", LR);
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break;
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case 6:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "IRQ Exception at 0x%X\n\r", LR);
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break;
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case 7:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "FIQ Exception at 0x%X\n\r", LR);
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break;
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default:
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CharCount = AsciiSPrint (Buffer, sizeof (Buffer), "Unknown Exception at 0x%X\n\r", LR);
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break;
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}
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SerialPortWrite ((UINT8 *)Buffer, CharCount);
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while (1) {
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}
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}
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