17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
23*fa9e4066Sahrens  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*fa9e4066Sahrens  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
287c478bd9Sstevel@tonic-gate 
297c478bd9Sstevel@tonic-gate #include <sys/promif.h>
307c478bd9Sstevel@tonic-gate #include <sys/promimpl.h>
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate  * Return ihandle of stdin
347c478bd9Sstevel@tonic-gate  */
357c478bd9Sstevel@tonic-gate ihandle_t
prom_stdin_ihandle(void)367c478bd9Sstevel@tonic-gate prom_stdin_ihandle(void)
377c478bd9Sstevel@tonic-gate {
387c478bd9Sstevel@tonic-gate 	static ihandle_t istdin;
397c478bd9Sstevel@tonic-gate 	static char *name = "stdin";
407c478bd9Sstevel@tonic-gate 
417c478bd9Sstevel@tonic-gate 	if (istdin)
427c478bd9Sstevel@tonic-gate 		return (istdin);
437c478bd9Sstevel@tonic-gate 
447c478bd9Sstevel@tonic-gate 	if (prom_getproplen(prom_chosennode(), name) !=
457c478bd9Sstevel@tonic-gate 	    sizeof (ihandle_t))  {
467c478bd9Sstevel@tonic-gate #if defined(PROMIF_DEBUG) || defined(lint)
477c478bd9Sstevel@tonic-gate 		prom_fatal_error("No stdout ihandle?");
487c478bd9Sstevel@tonic-gate #endif
497c478bd9Sstevel@tonic-gate 		return (istdin = (ihandle_t)-1);
507c478bd9Sstevel@tonic-gate 	}
517c478bd9Sstevel@tonic-gate 	(void) prom_getprop(prom_chosennode(), name,
527c478bd9Sstevel@tonic-gate 	    (caddr_t)(&istdin));
537c478bd9Sstevel@tonic-gate 	istdin = prom_decode_int(istdin);
547c478bd9Sstevel@tonic-gate 	return (istdin);
557c478bd9Sstevel@tonic-gate }
567c478bd9Sstevel@tonic-gate 
577c478bd9Sstevel@tonic-gate /*
587c478bd9Sstevel@tonic-gate  * Return phandle of stdin
597c478bd9Sstevel@tonic-gate  */
60*fa9e4066Sahrens pnode_t
prom_stdin_node(void)617c478bd9Sstevel@tonic-gate prom_stdin_node(void)
627c478bd9Sstevel@tonic-gate {
637c478bd9Sstevel@tonic-gate 	static phandle_t pstdin;
647c478bd9Sstevel@tonic-gate 	ihandle_t istdin;
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate 	if (pstdin)
677c478bd9Sstevel@tonic-gate 		return (pstdin);
687c478bd9Sstevel@tonic-gate 
697c478bd9Sstevel@tonic-gate 	if ((istdin = prom_stdin_ihandle()) == (ihandle_t)-1)
70*fa9e4066Sahrens 		return (pstdin = (pnode_t)OBP_BADNODE);
717c478bd9Sstevel@tonic-gate 
727c478bd9Sstevel@tonic-gate 	return (pstdin = prom_getphandle(istdin));
737c478bd9Sstevel@tonic-gate }
74