Differential D15431 Diff 42613 head/sys/mips/mips/trap.c

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head/sys/mips/mips/trap.c

Show First 20 Lines • Show All 524 Lines • ▼ Show 20 Lines	trap(struct trapframe *trapframe)
ksiginfo_t ksi;		ksiginfo_t ksi;
char *msg = NULL;		char *msg = NULL;
intptr_t addr = 0;		intptr_t addr = 0;
register_t pc;		register_t pc;
int cop, error;		int cop, error;
register_t *frame_regs;		register_t *frame_regs;

trapdebug_enter(trapframe, 0);		trapdebug_enter(trapframe, 0);
		#ifdef KDB
		if (kdb_active) {
		kdb_reenter();
		return (0);
		}
		#endif
type = (trapframe->cause & MIPS_CR_EXC_CODE) >> MIPS_CR_EXC_CODE_SHIFT;		type = (trapframe->cause & MIPS_CR_EXC_CODE) >> MIPS_CR_EXC_CODE_SHIFT;
if (TRAPF_USERMODE(trapframe)) {		if (TRAPF_USERMODE(trapframe)) {
type \|= T_USER;		type \|= T_USER;
usermode = 1;		usermode = 1;
} else {		} else {
usermode = 0;		usermode = 0;
}		}

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#ifdef TRAP_DEBUG		#ifdef TRAP_DEBUG
if (trap_debug)		if (trap_debug)
printf("badvaddr = %#jx, pc = %#jx, ra = %#jx, sr = %#jxx\n",		printf("badvaddr = %#jx, pc = %#jx, ra = %#jx, sr = %#jxx\n",
(intmax_t)trapframe->badvaddr, (intmax_t)trapframe->pc, (intmax_t)trapframe->ra,		(intmax_t)trapframe->badvaddr, (intmax_t)trapframe->pc, (intmax_t)trapframe->ra,
(intmax_t)trapframe->sr);		(intmax_t)trapframe->sr);
#endif		#endif

#ifdef KDB		#ifdef KDB
if (debugger_on_panic \|\| kdb_active) {		if (debugger_on_panic) {
		kdb_why = KDB_WHY_TRAP;
kdb_trap(type, 0, trapframe);		kdb_trap(type, 0, trapframe);
		kdb_why = KDB_WHY_UNSET;
}		}
#endif		#endif
panic("trap");		panic("trap");
}		}
td->td_frame->pc = trapframe->pc;		td->td_frame->pc = trapframe->pc;
td->td_frame->cause = trapframe->cause;		td->td_frame->cause = trapframe->cause;
td->td_frame->badvaddr = trapframe->badvaddr;		td->td_frame->badvaddr = trapframe->badvaddr;
ksiginfo_init_trap(&ksi);		ksiginfo_init_trap(&ksi);
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