xref: /illumos-gate/usr/src/psm/stand/lib/names/sparc/common/mfgname.c (revision fa9e4066)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/param.h>
#include <sys/promif.h>

#include <sys/platnames.h>

#define	MAXNMLEN	80		/* # of chars in an impl-arch name */

/*
 * Return the manufacturer name for this platform.
 *
 * This is exported (solely) as the rootnode name property in
 * the kernel's devinfo tree via the 'mfg-name' boot property.
 * So it's only used by boot, not the boot blocks.
 */
char *
get_mfg_name(void)
{
	pnode_t n;
	int len;

	static char mfgname[MAXNMLEN];

	if ((n = prom_rootnode()) != OBP_NONODE &&
	    (len = prom_getproplen(n, OBP_NAME)) > 0 && len < MAXNMLEN) {
		(void) prom_getprop(n, OBP_NAME, mfgname);
		mfgname[len] = '\0'; /* broken clones don't terminate name */
		return (mfgname);
	}

	return ("Unknown");
}