xref: /onnv-gate/usr/src/stand/lib/sa/sparc/prom_misc.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2002-2003 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #include <sys/salib.h>
28*0Sstevel@tonic-gate #include <sys/promimpl.h>
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate void
33*0Sstevel@tonic-gate prom_create_encoded_prop(char *propname, void *prop_data, int prop_datalen,
34*0Sstevel@tonic-gate     enum encode_how how)
35*0Sstevel@tonic-gate {
36*0Sstevel@tonic-gate 	char encode_bytes_command[] =	"my-self >r  0 to my-self"
37*0Sstevel@tonic-gate 					" push-package"
38*0Sstevel@tonic-gate 					" encode-bytes  2swap property"
39*0Sstevel@tonic-gate 					" pop-package"
40*0Sstevel@tonic-gate 					" r> to my-self";
41*0Sstevel@tonic-gate 	char encode_string_command[] =	"my-self >r  0 to my-self"
42*0Sstevel@tonic-gate 					" push-package"
43*0Sstevel@tonic-gate 					" encode-string  2swap property"
44*0Sstevel@tonic-gate 					" pop-package"
45*0Sstevel@tonic-gate 					" r> to my-self";
46*0Sstevel@tonic-gate 	char *command;
47*0Sstevel@tonic-gate 	static dnode_t cn = OBP_NONODE;
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate 	if (cn == OBP_NONODE) {
50*0Sstevel@tonic-gate 		cn = prom_finddevice("/chosen");
51*0Sstevel@tonic-gate 		if (cn == OBP_BADNODE)
52*0Sstevel@tonic-gate 			prom_panic("prom_create_encoded_prop: no /chosen\n");
53*0Sstevel@tonic-gate 	}
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	if (how == ENCODE_BYTES) {
56*0Sstevel@tonic-gate 		command = encode_bytes_command;
57*0Sstevel@tonic-gate 	} else {
58*0Sstevel@tonic-gate 		assert(how == ENCODE_STRING);
59*0Sstevel@tonic-gate 		command = encode_string_command;
60*0Sstevel@tonic-gate 	}
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 	prom_interpret(command, (uint_t)cn, prop_datalen,
63*0Sstevel@tonic-gate 	    (uintptr_t)prop_data, strlen(propname), (uintptr_t)propname);
64*0Sstevel@tonic-gate }
65