xref: /illumos-gate/usr/src/uts/i86pc/promif/prom_panic.c (revision 20a7641f9918de8574b8b3b47dbe35c4bfc78df1)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <sys/promif.h>
27 #include <sys/promimpl.h>
28 #include <sys/archsystm.h>
29 #include <sys/reboot.h>
30 #include <sys/kdi.h>
31 
32 void
33 prom_panic(char *s)
34 {
35 	const char fmt[] = "%s: prom_panic: %s\n";
36 
37 	if (s == NULL)
38 		s = "unknown panic";
39 
40 #if defined(_KMDB)
41 	prom_printf(fmt, "kmdb", s);
42 #elif defined(_KERNEL)
43 	prom_printf(fmt, "kernel", s);
44 	if (boothowto & RB_DEBUG)
45 		kmdb_enter();
46 #else
47 #error	"configuration error"
48 #endif
49 	prom_reboot_prompt();
50 	prom_reboot(NULL);
51 }
52