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 (c) 1994, by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/promif.h> 30 #include <sys/promimpl.h> 31 32 /* 33 * Return ihandle of stdin 34 */ 35 ihandle_t 36 prom_stdin_ihandle(void) 37 { 38 static ihandle_t istdin; 39 static char *name = "stdin"; 40 41 if (istdin) 42 return (istdin); 43 44 if (prom_getproplen(prom_chosennode(), name) != 45 sizeof (ihandle_t)) { 46 #if defined(PROMIF_DEBUG) || defined(lint) 47 prom_fatal_error("No stdout ihandle?"); 48 #endif 49 return (istdin = (ihandle_t)-1); 50 } 51 (void) prom_getprop(prom_chosennode(), name, 52 (caddr_t)(&istdin)); 53 istdin = prom_decode_int(istdin); 54 return (istdin); 55 } 56 57 /* 58 * Return phandle of stdin 59 */ 60 dnode_t 61 prom_stdin_node(void) 62 { 63 static phandle_t pstdin; 64 ihandle_t istdin; 65 66 if (pstdin) 67 return (pstdin); 68 69 if ((istdin = prom_stdin_ihandle()) == (ihandle_t)-1) 70 return (pstdin = (dnode_t)OBP_BADNODE); 71 72 return (pstdin = prom_getphandle(istdin)); 73 } 74