xref: /illumos-gate/usr/src/psm/promif/ieee1275/common/prom_test.c (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
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 
32 /*
33  * Test for existance of a specific P1275 client interface service
34  */
35 int
36 prom_test(char *service)
37 {
38 	cell_t ci[5];
39 
40 	ci[0] = p1275_ptr2cell("test");		/* Service name */
41 	ci[1] = (cell_t)1;			/* #argument cells */
42 	ci[2] = (cell_t)1;			/* #result cells */
43 	ci[3] = p1275_ptr2cell(service);	/* Arg1: requested svc name */
44 	ci[4] = (cell_t)-1;			/* Res1: Prime result */
45 
46 	promif_preprom();
47 	(void) p1275_cif_handler(&ci);
48 	promif_postprom();
49 
50 	return (p1275_cell2int(ci[4]));		/* Res1: missing flag */
51 }
52 
53 int
54 prom_test_method(char *method, pnode_t node)
55 {
56 	cell_t ci[6];
57 	int rv;
58 	char buf[80];
59 
60 	if (prom_test("test-method") == 0) {
61 		ci[0] = p1275_ptr2cell("test-method");	/* service */
62 		ci[1] = (cell_t)2;			/* #argument cells */
63 		ci[2] = (cell_t)1;			/* #result cells */
64 		ci[3] = p1275_dnode2cell(node);
65 		ci[4] = p1275_ptr2cell(method);
66 		ci[5] = (cell_t)-1;
67 
68 		promif_preprom();
69 		(void) p1275_cif_handler(&ci);
70 		promif_postprom();
71 		rv = p1275_cell2int(ci[5]);
72 	} else {
73 		(void) prom_sprintf(buf,
74 		    "\" %s\" h# %x find-method invert h# %p l!",
75 		    method, node, &rv);
76 		prom_interpret(buf, 0, 0, 0, 0, 0);
77 	}
78 	return (rv);
79 }
80