63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: Bugcheck handler
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* Author: Chloe M.
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*/
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#include <ex/trace.h>
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#include <ke/bugcheck.h>
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#include <drivers/bootvid/fbio.h>
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#include <ptdef.h>
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/* Used to safely obtain bugcheck reason */
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#define BUGCHECK_REASON(REASON) \
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((REASON) >= NELEM(ReasonTable)) \
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? "bad" \
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: ReasonTable[(REASON)]
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/* Prints the bugcheck banner */
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#define BUGCHECK_BANNER() \
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TRACE( \
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"\033[31;40m! ***** \033[37;40mBUGCHECK \033[31;40m***** !\033[0m\n" \
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);
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/* Globals to reduce stack usage */
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static va_list Ap;
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static CHAR BugCheckBuf[256];
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static CHAR BugCheckMsg[] =
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"Something went wrong during system operation and the machine has\n"
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"been halted to prevent data loss.\n\n";
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/* Table of reason strings */
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static CHAR *ReasonTable[] = {
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[BUGCHECK_MISC] = "misc reason",
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[BUGCHECK_OOM] = "out of memory",
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[BUGCHECK_IO_ERROR] = "i/o error",
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[BUGCHECK_UNBOUND_RESRC] = "unbounded resource",
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[BUGCHECK_EXCEPTION] = "fatal exception",
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[BUGCHECK_IRQL_NOT_GTE] = "irql not greater than or equal",
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[BUGCHECK_IRQL_NOT_LTE] = "irql not less than or equal",
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[BUGCHECK_BAD_FREE] = "bad free"
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};
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VOID
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KiBugCheck(BUGCHECK_REASON Reason, const CHAR *Fmt, ...)
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{
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/* Enable the console if we don't have one */
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if (!BootVidConsEn()) {
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BootVidInitCons(NULL);
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}
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va_start(Ap, Fmt);
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VFmtPrintf(BugCheckBuf, sizeof(BugCheckBuf), Fmt, Ap);
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BUGCHECK_BANNER();
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TRACE("\033[37;40m");
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TRACE(BugCheckMsg);
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TRACE("\033[31;40mbugcheck: \033[37;40m%s", BugCheckBuf);
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TRACE("\033[31;40mreason: \033[37;40m%s\n", BUGCHECK_REASON(Reason));
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TRACE("\033[0m");
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}
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