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#include <sys/prom_emul.h>
32#include <sys/kmem.h>
33
34/*
35 * Routines for walking the PROMs devinfo tree
36 * The prom tree is for /dev/openprom compatibility only,
37 * so we fail all calls except those needed by /dev/openprom
38 */
39
40/*
41 * Return the root nodeid.
42 * Calling prom_nextnode(0) returns the root nodeid.
43 */
44pnode_t
45prom_rootnode(void)
46{
47	static pnode_t rootnode;
48
49	return (rootnode ? rootnode : (rootnode = prom_nextnode(OBP_NONODE)));
50}
51
52pnode_t
53prom_nextnode(pnode_t nodeid)
54{
55	return (promif_nextnode(nodeid));
56}
57
58pnode_t
59prom_childnode(pnode_t nodeid)
60{
61
62	return (promif_childnode(nodeid));
63}
64
65/*
66 * disallow searching
67 */
68/*ARGSUSED*/
69pnode_t
70prom_findnode_byname(pnode_t n, char *name)
71{
72	return (OBP_NONODE);
73}
74
75pnode_t
76prom_chosennode(void)
77{
78	return (OBP_NONODE);
79}
80
81pnode_t
82prom_optionsnode(void)
83{
84	return (OBP_NONODE);
85}
86
87/*ARGSUSED*/
88pnode_t
89prom_finddevice(char *path)
90{
91	return (OBP_BADNODE);
92}
93
94pnode_t
95prom_alias_node(void)
96{
97	return (OBP_BADNODE);
98}
99
100/*ARGSUSED*/
101void
102prom_pathname(char *buf)
103{
104	/* nothing, just to get consconfig_dacf to compile */
105}
106