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) 1991-1994, 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 char * 33 prom_bootargs(void) 34 { 35 int length; 36 dnode_t node; 37 static char *name = "bootargs"; 38 static char bootargs[OBP_MAXPATHLEN]; 39 40 if (bootargs[0] != (char)0) 41 return (bootargs); 42 43 node = prom_chosennode(); 44 if ((node == OBP_NONODE) || (node == OBP_BADNODE)) 45 node = prom_rootnode(); 46 length = prom_getproplen(node, name); 47 if ((length == -1) || (length == 0)) 48 return (NULL); 49 if (length > OBP_MAXPATHLEN) 50 length = OBP_MAXPATHLEN - 1; /* Null terminator */ 51 (void) prom_bounded_getprop(node, name, bootargs, length); 52 return (bootargs); 53 } 54 55 56 struct bootparam * 57 prom_bootparam(void) 58 { 59 PROMIF_DPRINTF(("prom_bootparam on P1275?\n")); 60 return ((struct bootparam *)0); 61 } 62 63 char * 64 prom_bootpath(void) 65 { 66 static char bootpath[OBP_MAXPATHLEN]; 67 int length; 68 dnode_t node; 69 static char *name = "bootpath"; 70 71 if (bootpath[0] != (char)0) 72 return (bootpath); 73 74 node = prom_chosennode(); 75 if ((node == OBP_NONODE) || (node == OBP_BADNODE)) 76 node = prom_rootnode(); 77 length = prom_getproplen(node, name); 78 if ((length == -1) || (length == 0)) 79 return (NULL); 80 if (length > OBP_MAXPATHLEN) 81 length = OBP_MAXPATHLEN - 1; /* Null terminator */ 82 (void) prom_bounded_getprop(node, name, bootpath, length); 83 return (bootpath); 84 } 85