xref: /titanic_52/usr/src/uts/intel/ia32/promif/prom_enter.c (revision fca4268092e9961ebb9b5e0098dcebc545023586)
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 /*
35  * The Intel cpu does not have an underlying monitor.
36  * So, we emulate the best we can.....
37  */
38 
39 void
40 prom_enter_mon(void)
41 {
42 #if defined(I386BOOT)
43 	return;
44 #endif
45 
46 #if defined(_KMDB)
47 	prom_exit_to_mon();
48 #endif
49 
50 	if (boothowto & RB_DEBUG)
51 		kmdb_enter();
52 	else {
53 		prom_printf("Press any key to continue.");
54 		(void) prom_getchar();
55 	}
56 }
57