xref: /onnv-gate/usr/src/psm/promif/ieee1275/common/prom_stdout.c (revision 789:b348f31ed315)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
220Sstevel@tonic-gate /*
23*789Sahrens  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*789Sahrens  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
280Sstevel@tonic-gate 
290Sstevel@tonic-gate #include <sys/promif.h>
300Sstevel@tonic-gate #include <sys/promimpl.h>
310Sstevel@tonic-gate 
320Sstevel@tonic-gate /*
330Sstevel@tonic-gate  * Return ihandle of stdout
340Sstevel@tonic-gate  */
350Sstevel@tonic-gate ihandle_t
prom_stdout_ihandle(void)360Sstevel@tonic-gate prom_stdout_ihandle(void)
370Sstevel@tonic-gate {
380Sstevel@tonic-gate 	static ihandle_t istdout;
390Sstevel@tonic-gate 	static char *name = "stdout";
400Sstevel@tonic-gate 
410Sstevel@tonic-gate 	if (istdout)
420Sstevel@tonic-gate 		return (istdout);
430Sstevel@tonic-gate 
440Sstevel@tonic-gate 	if (prom_getproplen(prom_chosennode(), name) !=
450Sstevel@tonic-gate 	    sizeof (ihandle_t))  {
460Sstevel@tonic-gate 		return (istdout = (ihandle_t)-1);
470Sstevel@tonic-gate 	}
480Sstevel@tonic-gate 	(void) prom_getprop(prom_chosennode(), name,
490Sstevel@tonic-gate 	    (caddr_t)(&istdout));
500Sstevel@tonic-gate 	istdout = prom_decode_int(istdout);
510Sstevel@tonic-gate 	return (istdout);
520Sstevel@tonic-gate 
530Sstevel@tonic-gate }
540Sstevel@tonic-gate 
550Sstevel@tonic-gate /*
560Sstevel@tonic-gate  * Return phandle of stdout
570Sstevel@tonic-gate  */
58*789Sahrens pnode_t
prom_stdout_node(void)590Sstevel@tonic-gate prom_stdout_node(void)
600Sstevel@tonic-gate {
610Sstevel@tonic-gate 	static phandle_t pstdout;
620Sstevel@tonic-gate 	ihandle_t istdout;
630Sstevel@tonic-gate 
640Sstevel@tonic-gate 	if (pstdout)
650Sstevel@tonic-gate 		return (pstdout);
660Sstevel@tonic-gate 
670Sstevel@tonic-gate 	if ((istdout = prom_stdout_ihandle()) == (ihandle_t)-1)
68*789Sahrens 		return (pstdout = (pnode_t)OBP_BADNODE);
690Sstevel@tonic-gate 
700Sstevel@tonic-gate 	return (pstdout = prom_getphandle(istdout));
710Sstevel@tonic-gate }
72