xref: /titanic_41/usr/src/uts/intel/ia32/promif/prom_panic.c (revision cc52cd5b16ec3b8334f7db84aa4d148f1e4391d3)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/promif.h>
29 #include <sys/promimpl.h>
30 #include <sys/archsystm.h>
31 #include <sys/reboot.h>
32 #include <sys/kdi.h>
33 
34 void
35 prom_panic(char *s)
36 {
37 	const char fmt[] = "%s: prom_panic: %s\n";
38 
39 	if (s == NULL)
40 		s = "unknown panic";
41 
42 #if defined(I386BOOT)
43 	prom_printf(fmt, "boot", s);
44 	for (;;)
45 		continue;
46 	/*NOTREACHED*/
47 #elif defined(_KMDB)
48 	prom_printf(fmt, "kmdb", s);
49 #elif defined(_KERNEL)
50 	prom_printf(fmt, "kernel", s);
51 	if (boothowto & RB_DEBUG)
52 		kmdb_enter();
53 #else
54 #error	"configuration error"
55 #endif
56 	prom_reboot_prompt();
57 	prom_reboot(NULL);
58 }
59