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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <sys/promif.h>
30 #include <sys/promimpl.h>
31 
32 char *
prom_bootargs(void)33 prom_bootargs(void)
34 {
35 	int length;
36 	pnode_t node;
37 	static char *name = "bootargs";
38 	static char bootargs[OBP_MAXPATHLEN];
39 
40 	if (bootargs[0] != (char)0)
41 		return (bootargs);
42 
43 	node = prom_chosennode();
44 	if ((node == OBP_NONODE) || (node == OBP_BADNODE))
45 		node = prom_rootnode();
46 	length = prom_getproplen(node, name);
47 	if ((length == -1) || (length == 0))
48 		return (NULL);
49 	if (length > OBP_MAXPATHLEN)
50 		length = OBP_MAXPATHLEN - 1;	/* Null terminator */
51 	(void) prom_bounded_getprop(node, name, bootargs, length);
52 	return (bootargs);
53 }
54 
55 
56 struct bootparam *
prom_bootparam(void)57 prom_bootparam(void)
58 {
59 	PROMIF_DPRINTF(("prom_bootparam on P1275?\n"));
60 	return ((struct bootparam *)0);
61 }
62 
63 char *
prom_bootpath(void)64 prom_bootpath(void)
65 {
66 	static char bootpath[OBP_MAXPATHLEN];
67 	int length;
68 	pnode_t node;
69 	static char *name = "bootpath";
70 
71 	if (bootpath[0] != (char)0)
72 		return (bootpath);
73 
74 	node = prom_chosennode();
75 	if ((node == OBP_NONODE) || (node == OBP_BADNODE))
76 		node = prom_rootnode();
77 	length = prom_getproplen(node, name);
78 	if ((length == -1) || (length == 0))
79 		return (NULL);
80 	if (length > OBP_MAXPATHLEN)
81 		length = OBP_MAXPATHLEN - 1;	/* Null terminator */
82 	(void) prom_bounded_getprop(node, name, bootpath, length);
83 	return (bootpath);
84 }
85