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      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	"@(#)prom_test.c	1.10	05/10/30 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