xref: /titanic_52/usr/src/psm/promif/ieee1275/common/prom_phandle.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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 (c) 1991-1994, by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <sys/promif.h>
30 #include <sys/promimpl.h>
31 
32 phandle_t
33 prom_getphandle(ihandle_t i)
34 {
35 	cell_t ci[5];
36 
37 	ci[0] = p1275_ptr2cell("instance-to-package");	/* Service name */
38 	ci[1] = (cell_t)1;				/* #argument cells */
39 	ci[2] = (cell_t)1;				/* #result cells */
40 	ci[3] = p1275_ihandle2cell(i);			/* Arg1: instance */
41 	ci[4] = p1275_dnode2cell(OBP_BADNODE);		/* Res1: Prime result */
42 
43 	promif_preprom();
44 	(void) p1275_cif_handler(&ci);
45 	promif_postprom();
46 
47 	return (p1275_cell2phandle(ci[4]));		/* Res1: package */
48 }
49