xref: /illumos-gate/usr/src/uts/intel/promif/prom_exit.c (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
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/consdev.h>
28 #include <sys/promimpl.h>
29 #include <sys/archsystm.h>
30 #include <sys/reboot.h>
31 #include <sys/kdi.h>
32 
33 /*
34  * The Intel cpu does not have an underlying monitor.
35  * So, we do the best we can.....
36  */
37 
38 extern void prom_poll_enter(void);
39 
40 extern cons_polledio_t *cons_polledio;
41 
42 void
43 prom_exit_to_mon(void)
44 {
45 
46 #if !defined(_KMDB)
47 	prom_poll_enter();
48 #endif
49 
50 #if !defined(_KMDB)
51 	if (boothowto & RB_DEBUG)
52 		kmdb_enter();
53 #endif	/* !_KMDB */
54 	prom_reboot_prompt();
55 	prom_reboot(NULL);
56 }
57 
58 #if !defined(_KMDB)
59 void
60 prom_poll_enter(void)
61 {
62 	if (cons_polledio != NULL) {
63 		if (cons_polledio->cons_polledio_enter != NULL) {
64 			cons_polledio->cons_polledio_enter(
65 			    cons_polledio->cons_polledio_argument);
66 		}
67 	}
68 }
69 #endif
70