52 lines
1.4 KiB
C
52 lines
1.4 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 dispatch
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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/bugcheck.h>
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#include <ptdef.h>
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#define TRAP_STR(TYPE) \
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((TYPE) >= NELEM(TrapTab)) \
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? "bad trap type" \
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: TrapTab[(TYPE)]
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static const CHAR *TrapTab[] = {
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[TRAP_DIVERR] = "divide error",
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[TRAP_DEBUG_EXCEPTION] = "debug exception",
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[TRAP_NMI] = "non-maskable interrupt",
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[TRAP_BREAKPOINT] = "breakpoint",
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[TRAP_OVERFLOW] = "overflow",
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[TRAP_BOUND_RANGE] = "bound range exceeded",
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[TRAP_INVALID_OPCODE] = "invalid opcode",
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[TRAP_NO_COPROCESSOR] = "no math coprocessor",
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[TRAP_DOUBLE_FAULT] = "double fault",
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[TRAP_RESERVED] = "reserved exception",
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[TRAP_INVALID_TSS] = "invalid tss",
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[TRAP_SEG_NOT_PRESENT] = "segment not present",
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[TRAP_STACK_SEG_FAULT] = "stack segment fault",
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[TRAP_GENERAL_PROTECTION] = "general protection fault",
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[TRAP_PAGE_FAULT] = "page fault"
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};
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VOID
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MdTrapDispatch(TRAP_FRAME *TrapFrame)
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{
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/* Sanity check */
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if (TrapFrame == NULL) {
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KeBugCheck(
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BUGCHECK_UNBOUND_RESRC,
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"unbound trapframe during dispatch\n"
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);
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}
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KeBugCheck(
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BUGCHECK_EXCEPTION,
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"got fatal %s\n", TRAP_STR(TrapFrame->Vector)
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);
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}
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