xref: /illumos-gate/usr/src/uts/intel/promif/prom_version.c (revision 581cede61ac9c14d8d4ea452562a567189eead78)
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/obpdefs.h>
32 #include <sys/types.h>
33 #include <sys/kmem.h>
34 
35 #define	PROM_VERSION_NUMBER 4	/* Obsolete under new boot */
36 
37 int
38 prom_getversion(void)
39 {
40 	return (PROM_VERSION_NUMBER);
41 }
42 
43 int
44 prom_is_openprom(void)
45 {
46 	return (1);	/* to humor /dev/openprom */
47 }
48 
49 /*
50  * Return a string representing the prom version.  In this case
51  * a string representing the version of devconf that created
52  * the device tree will be returned.
53  *
54  * Return the actual length of the string including the NULL terminator.
55  */
56 
57 int
58 prom_version_name(char *buf, int len)
59 {
60 	static char prom_versionstr[] = "DevConf 2.0";
61 	extern size_t strlcpy(char *, const char *, size_t);
62 
63 	(void) strlcpy(buf, prom_versionstr, len - 1);
64 	return (sizeof (prom_versionstr));
65 }
66