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 "%Z%%M% %I% %E% SMI" 28 29 #include <sys/promif.h> 30 #include <sys/promimpl.h> 31 #include <sys/prom_emul.h> 32 #include <sys/kmem.h> 33 34 /* 35 * Routines for walking the PROMs devinfo tree 36 * The prom tree is for /dev/openprom compatibility only, 37 * so we fail all calls except those needed by /dev/openprom 38 */ 39 40 /* 41 * Return the root nodeid. 42 * Calling prom_nextnode(0) returns the root nodeid. 43 */ 44 dnode_t 45 prom_rootnode(void) 46 { 47 static dnode_t rootnode; 48 49 return (rootnode ? rootnode : (rootnode = prom_nextnode(OBP_NONODE))); 50 } 51 52 dnode_t 53 prom_nextnode(dnode_t nodeid) 54 { 55 return (promif_nextnode(nodeid)); 56 } 57 58 dnode_t 59 prom_childnode(dnode_t nodeid) 60 { 61 62 return (promif_childnode(nodeid)); 63 } 64 65 /* 66 * disallow searching 67 */ 68 /*ARGSUSED*/ 69 dnode_t 70 prom_findnode_byname(dnode_t n, char *name) 71 { 72 return (OBP_NONODE); 73 } 74 75 dnode_t 76 prom_chosennode(void) 77 { 78 return (OBP_NONODE); 79 } 80 81 dnode_t 82 prom_optionsnode(void) 83 { 84 return (OBP_NONODE); 85 } 86 87 /*ARGSUSED*/ 88 dnode_t 89 prom_finddevice(char *path) 90 { 91 return (OBP_BADNODE); 92 } 93 94 dnode_t 95 prom_alias_node(void) 96 { 97 return (OBP_BADNODE); 98 } 99 100 /*ARGSUSED*/ 101 void 102 prom_pathname(char *buf) 103 { 104 /* nothing, just to get consconfig_dacf to compile */ 105 } 106