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