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Lines Matching defs:trap

1 /*	$NetBSD: trap.c,v 1.159 2024/01/20 00:15:31 thorpej Exp $	*/
36  * from: Utah $Hdr: trap.c 1.37 92/12/20$
38  *	@(#)trap.c	8.5 (Berkeley) 1/4/94
42 __KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.159 2024/01/20 00:15:31 thorpej Exp $");
72 #include <machine/trap.h>
87 void	trap(struct frame *fp, int type, u_int code, u_int v);
102 	"Trace trap",
104 	"SSIR trap",
108 	"Async system trap"
172  * trap and syscall both need the following work done before returning
200 	 * Deal with user mode writebacks (from trap, or from sigreturn).
233  * XXX: Temporary until all m68k ports share common trap()/userret() code.
245  * Trap is called from locore to handle most types of processor traps,
250 trap(struct frame *fp, int type, u_int code, u_int v)
278 		printf("trap type %d, code = 0x%x, v = 0x%x\n", type, code, v);
282 		 * Let the kernel debugger see the trap frame that
300 			printf("trap during panic!\n");
313 		panic("trap");
394 			printf("Kernel Illegal Instruction trap.\n");
396 			printf("Kernel FPU trap.\n");
436 	case T_CHKINST|T_USER:	/* CHK instruction trap */
442 	case T_TRAPVINST|T_USER:	/* TRAPV instruction trap */
451 	 *	HP-UX uses trap #1 for breakpoints,
452 	 *	NetBSD/m68k uses trap #2,
453 	 *	SUN 3.x uses trap #15,
454 	 *	DDB and KGDB uses trap #15 (for kernel breakpoints;
466 		printf("unexpected kernel trace trap, type = %d\n", type);
472 	case T_TRACE|T_USER:	/* user trace trap */
475 		 * SunOS uses Trap #2 for a "CPU cache flush".
485 	case T_TRACE:		/* tracing a trap instruction */
486 	case T_TRAP15|T_USER:	/* SUN user trace trap */
497 	case T_ASTFLT:		/* system async trap, cannot happen */
500 	case T_ASTFLT|T_USER:	/* user async trap */
516 		 * If this was not an AST trap, we are all done.
542 		printf("trap: T_MMUFLT pid=%d, code=%x, v=%x, pc=%x, sr=%x\n",
567 			printf("trap: bad kernel %s access at 0x%x\n",