devopen.c revision 1.3.2.2
1 1.3.2.2 yamt /* $NetBSD: devopen.c,v 1.3.2.2 2013/01/23 00:05:53 yamt Exp $ */ 2 1.3.2.2 yamt 3 1.3.2.2 yamt /* 4 1.3.2.2 yamt * Copyright (c) 1992 OMRON Corporation. 5 1.3.2.2 yamt * 6 1.3.2.2 yamt * This code is derived from software contributed to Berkeley by 7 1.3.2.2 yamt * OMRON Corporation. 8 1.3.2.2 yamt * 9 1.3.2.2 yamt * Redistribution and use in source and binary forms, with or without 10 1.3.2.2 yamt * modification, are permitted provided that the following conditions 11 1.3.2.2 yamt * are met: 12 1.3.2.2 yamt * 1. Redistributions of source code must retain the above copyright 13 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer. 14 1.3.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 15 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer in the 16 1.3.2.2 yamt * documentation and/or other materials provided with the distribution. 17 1.3.2.2 yamt * 3. All advertising materials mentioning features or use of this software 18 1.3.2.2 yamt * must display the following acknowledgement: 19 1.3.2.2 yamt * This product includes software developed by the University of 20 1.3.2.2 yamt * California, Berkeley and its contributors. 21 1.3.2.2 yamt * 4. Neither the name of the University nor the names of its contributors 22 1.3.2.2 yamt * may be used to endorse or promote products derived from this software 23 1.3.2.2 yamt * without specific prior written permission. 24 1.3.2.2 yamt * 25 1.3.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 1.3.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 1.3.2.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 1.3.2.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 1.3.2.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 1.3.2.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 1.3.2.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 1.3.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 1.3.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 1.3.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 1.3.2.2 yamt * SUCH DAMAGE. 36 1.3.2.2 yamt * 37 1.3.2.2 yamt * @(#)conf.c 8.1 (Berkeley) 6/10/93 38 1.3.2.2 yamt */ 39 1.3.2.2 yamt /* 40 1.3.2.2 yamt * Copyright (c) 1992, 1993 41 1.3.2.2 yamt * The Regents of the University of California. All rights reserved. 42 1.3.2.2 yamt * 43 1.3.2.2 yamt * This code is derived from software contributed to Berkeley by 44 1.3.2.2 yamt * OMRON Corporation. 45 1.3.2.2 yamt * 46 1.3.2.2 yamt * Redistribution and use in source and binary forms, with or without 47 1.3.2.2 yamt * modification, are permitted provided that the following conditions 48 1.3.2.2 yamt * are met: 49 1.3.2.2 yamt * 1. Redistributions of source code must retain the above copyright 50 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer. 51 1.3.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 52 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer in the 53 1.3.2.2 yamt * documentation and/or other materials provided with the distribution. 54 1.3.2.2 yamt * 3. Neither the name of the University nor the names of its contributors 55 1.3.2.2 yamt * may be used to endorse or promote products derived from this software 56 1.3.2.2 yamt * without specific prior written permission. 57 1.3.2.2 yamt * 58 1.3.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 1.3.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 1.3.2.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 1.3.2.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 1.3.2.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 1.3.2.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 1.3.2.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 1.3.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 1.3.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 1.3.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 1.3.2.2 yamt * SUCH DAMAGE. 69 1.3.2.2 yamt * 70 1.3.2.2 yamt * @(#)conf.c 8.1 (Berkeley) 6/10/93 71 1.3.2.2 yamt */ 72 1.3.2.2 yamt 73 1.3.2.2 yamt #include <lib/libkern/libkern.h> 74 1.3.2.2 yamt #include <luna68k/stand/boot/samachdep.h> 75 1.3.2.2 yamt #include <machine/disklabel.h> 76 1.3.2.2 yamt 77 1.3.2.2 yamt static int make_device(const char *, int *, int *, int *, char **); 78 1.3.2.2 yamt 79 1.3.2.2 yamt int 80 1.3.2.2 yamt devopen(struct open_file *f, const char *fname, char **file) 81 1.3.2.2 yamt { 82 1.3.2.2 yamt int dev, unit, part; 83 1.3.2.2 yamt int error; 84 1.3.2.2 yamt struct devsw *dp; 85 1.3.2.2 yamt int i; 86 1.3.2.2 yamt 87 1.3.2.2 yamt if (make_device(fname, &dev, &unit, &part, file) != 0) 88 1.3.2.2 yamt return ENXIO; 89 1.3.2.2 yamt 90 1.3.2.2 yamt #ifdef DEBUG 91 1.3.2.2 yamt printf("%s: %s(%d,%d)%s\n", __func__, 92 1.3.2.2 yamt devsw[dev].dv_name, unit, part, *file); 93 1.3.2.2 yamt #endif 94 1.3.2.2 yamt dp = &devsw[dev]; 95 1.3.2.2 yamt error = (*dp->dv_open)(f, unit, part); 96 1.3.2.2 yamt if (error != 0) { 97 1.3.2.2 yamt #ifdef DEBUG 98 1.3.2.2 yamt printf("%s: open %s(%d,%d)%s failed (%s)\n", __func__, 99 1.3.2.2 yamt devsw[dev].dv_name, unit, part, *file, strerror(error)); 100 1.3.2.2 yamt #endif 101 1.3.2.2 yamt return error; 102 1.3.2.2 yamt } 103 1.3.2.2 yamt 104 1.3.2.2 yamt for (i = 0; i < nfsys_disk; i++) 105 1.3.2.2 yamt file_system[i] = file_system_disk[i]; 106 1.3.2.2 yamt nfsys = nfsys_disk; 107 1.3.2.2 yamt 108 1.3.2.2 yamt #ifdef SUPPORT_ETHERNET 109 1.3.2.2 yamt if (strcmp(dp->dv_name, "le") == 0) { 110 1.3.2.2 yamt /* XXX mixing local fs_ops on netboot could be troublesome */ 111 1.3.2.2 yamt file_system[0] = file_system_nfs[0]; 112 1.3.2.2 yamt nfsys = 1; 113 1.3.2.2 yamt } 114 1.3.2.2 yamt #endif 115 1.3.2.2 yamt 116 1.3.2.2 yamt f->f_dev = dp; 117 1.3.2.2 yamt 118 1.3.2.2 yamt return 0; 119 1.3.2.2 yamt } 120 1.3.2.2 yamt 121 1.3.2.2 yamt int 122 1.3.2.2 yamt make_device(const char *str, int *devp, int *unitp, int *partp, char **fname) 123 1.3.2.2 yamt { 124 1.3.2.2 yamt const char *cp; 125 1.3.2.2 yamt struct devsw *dp; 126 1.3.2.2 yamt int major, unit, part; 127 1.3.2.2 yamt int i; 128 1.3.2.2 yamt char devname[MAXDEVNAME + 1]; 129 1.3.2.2 yamt 130 1.3.2.2 yamt /* 131 1.3.2.2 yamt * parse path strings 132 1.3.2.2 yamt */ 133 1.3.2.2 yamt /* find end of dev type name */ 134 1.3.2.2 yamt for (cp = str, i = 0; *cp != '\0' && *cp != '(' && i < MAXDEVNAME; i++) 135 1.3.2.2 yamt devname[i] = *cp++; 136 1.3.2.2 yamt if (*cp != '(') { 137 1.3.2.2 yamt return (-1); 138 1.3.2.2 yamt } 139 1.3.2.2 yamt devname[i] = '\0'; 140 1.3.2.2 yamt /* compare dev type name */ 141 1.3.2.2 yamt for (dp = devsw; dp->dv_name; dp++) 142 1.3.2.2 yamt if (!strcmp(devname, dp->dv_name)) 143 1.3.2.2 yamt break; 144 1.3.2.2 yamt cp++; 145 1.3.2.2 yamt if (dp->dv_name == NULL) { 146 1.3.2.2 yamt return (-1); 147 1.3.2.2 yamt } 148 1.3.2.2 yamt major = dp - devsw; 149 1.3.2.2 yamt /* get unit number */ 150 1.3.2.2 yamt unit = *cp++ - '0'; 151 1.3.2.2 yamt if (*cp >= '0' && *cp <= '9') 152 1.3.2.2 yamt unit = unit * 10 + *cp++ - '0'; 153 1.3.2.2 yamt if (unit < 0 || unit > 63) { 154 1.3.2.2 yamt #ifdef DEBUG 155 1.3.2.2 yamt printf("%s: invalid unit number (%d)\n", __func__, unit); 156 1.3.2.2 yamt #endif 157 1.3.2.2 yamt return (-1); 158 1.3.2.2 yamt } 159 1.3.2.2 yamt /* get partition offset */ 160 1.3.2.2 yamt if (*cp++ != ',') { 161 1.3.2.2 yamt return (-1); 162 1.3.2.2 yamt } 163 1.3.2.2 yamt part = *cp - '0'; 164 1.3.2.2 yamt /* check out end of dev spec */ 165 1.3.2.2 yamt for (;;) { 166 1.3.2.2 yamt if (*cp == ')') 167 1.3.2.2 yamt break; 168 1.3.2.2 yamt if (*cp++) 169 1.3.2.2 yamt continue; 170 1.3.2.2 yamt return (-1); 171 1.3.2.2 yamt } 172 1.3.2.2 yamt if (part < 0 || part > MAXPARTITIONS) { 173 1.3.2.2 yamt #ifdef DEBUG 174 1.3.2.2 yamt printf("%s: invalid partition number (%d)\n", __func__, part); 175 1.3.2.2 yamt #endif 176 1.3.2.2 yamt return (-1); 177 1.3.2.2 yamt } 178 1.3.2.2 yamt 179 1.3.2.2 yamt *devp = major; 180 1.3.2.2 yamt *unitp = unit; 181 1.3.2.2 yamt *partp = part; 182 1.3.2.2 yamt *fname = __UNCONST(cp + 1); 183 1.3.2.2 yamt #ifdef DEBUG 184 1.3.2.2 yamt printf("%s: major = %d, unit = %d, part = %d, fname = %s\n", 185 1.3.2.2 yamt __func__, major, unit, part, *fname); 186 1.3.2.2 yamt #endif 187 1.3.2.2 yamt 188 1.3.2.2 yamt return 0; 189 1.3.2.2 yamt } 190
Indexes created Thu Oct 02 14:10:14 GMT 2025