Chloe M.
50 lines
1.2 KiB
C
50 lines
1.2 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: Trap handling
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* Author: Chloe M.
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*/
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#include <machine/trap.h>
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#include <ke/knot.h>
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#include <stdef.h>
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/* Used to convert trap codes to strings */
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static const char *TrapTab[] = {
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[TRAP_DIVERR] = "divide error",
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[TRAP_DBG] = "debug exception",
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[TRAP_NMI] = "non-maskable interrupt",
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[TRAP_BP] = "breakpoint",
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[TRAP_OF] = "overflow",
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[TRAP_BR] = "bound range exceeded",
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[TRAP_UD] = "undefined opcode",
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[TRAP_NM] = "no math coprocessor",
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[TRAP_DF] = "double fault",
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[TRAP_CPR] = "reserved exception",
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[TRAP_TS] = "invalid TSS",
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[TRAP_NP] = "segment not present",
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[TRAP_SS] = "stack segment fault",
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[TRAP_GP] = "general protection fault",
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[TRAP_PF] = "page fault"
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};
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VOID
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MdTrapDispatch(TRAP_FRAME *Frame)
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{
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if (Frame == NULL) {
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return;
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}
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if (Frame->Vector >= NELEM(TrapTab)) {
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KeKnot(
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KNOT_EXCEPTION,
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"Fatal unknown vector %x\n",
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Frame->Vector
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);
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}
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KeKnot(KNOT_EXCEPTION, "Fatal %s\n", TrapTab[Frame->Vector]);
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}
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