prom_node.c revision fa9e4066f08beec538e775443c5be79dd423fcab
/*
* 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/promif.h>
#include <sys/promimpl.h>
#include <sys/prom_emul.h>
#include <sys/kmem.h>
/*
* Routines for walking the PROMs devinfo tree
* The prom tree is for /dev/openprom compatibility only,
* so we fail all calls except those needed by /dev/openprom
*/
/*
* Return the root nodeid.
* Calling prom_nextnode(0) returns the root nodeid.
*/
pnode_t
prom_rootnode(void)
{
static pnode_t rootnode;
return (rootnode ? rootnode : (rootnode = prom_nextnode(OBP_NONODE)));
}
pnode_t
prom_nextnode(pnode_t nodeid)
{
return (promif_nextnode(nodeid));
}
pnode_t
prom_childnode(pnode_t nodeid)
{
return (promif_childnode(nodeid));
}
/*
* disallow searching
*/
/*ARGSUSED*/
pnode_t
prom_findnode_byname(pnode_t n, char *name)
{
return (OBP_NONODE);
}
pnode_t
prom_chosennode(void)
{
return (OBP_NONODE);
}
pnode_t
prom_optionsnode(void)
{
return (OBP_NONODE);
}
/*ARGSUSED*/
pnode_t
prom_finddevice(char *path)
{
return (OBP_BADNODE);
}
pnode_t
prom_alias_node(void)
{
return (OBP_BADNODE);
}
/*ARGSUSED*/
void
prom_pathname(char *buf)
{
/* nothing, just to get consconfig_dacf to compile */
}