1 /*
2 * $NetBSD: panic.c,v 1.2 1997/03/22 01:48:36 thorpej Exp $
3 */
4 /*
5 * Copyright (c) 1996
6 * Matthias Drochner. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed for the NetBSD Project
19 * by Matthias Drochner.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
35
36 #include <sys/cdefs.h>
37
38 #include <stand.h>
39 #include <machine/stdarg.h>
40
41 /*
42 * Boot loaders and other standalone programs that wish to have a
43 * different panic policy can provide their own panic_action rotuine.
44 */
45 __weak_symbol void
panic_action(void)46 panic_action(void)
47 {
48 printf("--> Press a key on the console to reboot <--\n");
49 getchar();
50 printf("Rebooting...\n");
51 exit(1);
52 }
53
54 void
panic(const char * fmt,...)55 panic(const char *fmt, ...)
56 {
57 va_list ap;
58
59 printf("panic: ");
60 va_start(ap, fmt);
61 vprintf(fmt, ap);
62 va_end(ap);
63 printf("\n");
64 panic_action();
65 }
66