/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2008 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>

/*
 * Test for existance of a specific P1275 client interface service
 */
int
prom_test(char *service)
{
        cell_t ci[5];

        ci[0] = p1275_ptr2cell("test");         /* Service name */
        ci[1] = (cell_t)1;                      /* #argument cells */
        ci[2] = (cell_t)1;                      /* #result cells */
        ci[3] = p1275_ptr2cell(service);        /* Arg1: requested svc name */
        ci[4] = (cell_t)-1;                     /* Res1: Prime result */

        promif_preprom();
        (void) p1275_cif_handler(&ci);
        promif_postprom();

        return (p1275_cell2int(ci[4]));         /* Res1: missing flag */
}

int
prom_test_method(char *method, pnode_t node)
{
        cell_t ci[6];
        int rv;
        char buf[80];

        if (prom_test("test-method") == 0) {
                ci[0] = p1275_ptr2cell("test-method");  /* service */
                ci[1] = (cell_t)2;                      /* #argument cells */
                ci[2] = (cell_t)1;                      /* #result cells */
                ci[3] = p1275_dnode2cell(node);
                ci[4] = p1275_ptr2cell(method);
                ci[5] = (cell_t)-1;

                promif_preprom();
                (void) p1275_cif_handler(&ci);
                promif_postprom();
                rv = p1275_cell2int(ci[5]);
        } else {
                (void) prom_sprintf(buf,
                    "\" %s\" h# %x find-method invert h# %p l!",
                    method, node, (void *)&rv);
                prom_interpret(buf, 0, 0, 0, 0, 0);
        }
        return (rv);
}