devopen.c revision 1.1.18.2
1 1.1.18.2 yamt /* $NetBSD: devopen.c,v 1.1.18.2 2006/06/21 14:51:20 yamt Exp $ */ 2 1.1.18.2 yamt 3 1.1.18.2 yamt /*- 4 1.1.18.2 yamt * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 1.1.18.2 yamt * All rights reserved. 6 1.1.18.2 yamt * 7 1.1.18.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.1.18.2 yamt * by UCHIYAMA Yasushi. 9 1.1.18.2 yamt * 10 1.1.18.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.1.18.2 yamt * modification, are permitted provided that the following conditions 12 1.1.18.2 yamt * are met: 13 1.1.18.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.1.18.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.1.18.2 yamt * documentation and/or other materials provided with the distribution. 18 1.1.18.2 yamt * 3. All advertising materials mentioning features or use of this software 19 1.1.18.2 yamt * must display the following acknowledgement: 20 1.1.18.2 yamt * This product includes software developed by the NetBSD 21 1.1.18.2 yamt * Foundation, Inc. and its contributors. 22 1.1.18.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.18.2 yamt * contributors may be used to endorse or promote products derived 24 1.1.18.2 yamt * from this software without specific prior written permission. 25 1.1.18.2 yamt * 26 1.1.18.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.18.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.18.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.18.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.18.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.18.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.18.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.18.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.18.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.18.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.18.2 yamt * POSSIBILITY OF SUCH DAMAGE. 37 1.1.18.2 yamt */ 38 1.1.18.2 yamt 39 1.1.18.2 yamt #include <lib/libsa/stand.h> 40 1.1.18.2 yamt #include <lib/libkern/libkern.h> 41 1.1.18.2 yamt 42 1.1.18.2 yamt #include <netinet/in.h> 43 1.1.18.2 yamt #include <lib/libsa/dev_net.h> 44 1.1.18.2 yamt #include <lib/libsa/ufs.h> 45 1.1.18.2 yamt #include <lib/libsa/nfs.h> 46 1.1.18.2 yamt #include <machine/sbd.h> 47 1.1.18.2 yamt 48 1.1.18.2 yamt #include "local.h" 49 1.1.18.2 yamt 50 1.1.18.2 yamt extern uint8_t kernel_binary[]; 51 1.1.18.2 yamt extern int kernel_binary_size; 52 1.1.18.2 yamt 53 1.1.18.2 yamt extern struct fs_ops datafs_ops; 54 1.1.18.2 yamt extern struct fs_ops bfs_ops; 55 1.1.18.2 yamt struct fs_ops ufs_ops = { 56 1.1.18.2 yamt ufs_open, ufs_close, ufs_read, ufs_write, ufs_seek, ufs_stat 57 1.1.18.2 yamt }; 58 1.1.18.2 yamt struct fs_ops nfs_ops = { 59 1.1.18.2 yamt nfs_open, nfs_close, nfs_read, nfs_write, nfs_seek, nfs_stat 60 1.1.18.2 yamt }; 61 1.1.18.2 yamt 62 1.1.18.2 yamt extern struct devsw netdevsw; 63 1.1.18.2 yamt extern struct devsw dkdevsw; 64 1.1.18.2 yamt char fname[16]; 65 1.1.18.2 yamt 66 1.1.18.2 yamt /* Referenced by libsa/open.c */ 67 1.1.18.2 yamt struct fs_ops file_system[1]; 68 1.1.18.2 yamt int nfsys = 1; 69 1.1.18.2 yamt struct devsw devsw[1]; 70 1.1.18.2 yamt int ndevs = 1; 71 1.1.18.2 yamt 72 1.1.18.2 yamt int 73 1.1.18.2 yamt devopen(struct open_file *f, const char *request, char **file) 74 1.1.18.2 yamt { 75 1.1.18.2 yamt char *p, *filename; 76 1.1.18.2 yamt int disk, partition; 77 1.1.18.2 yamt void *addr; 78 1.1.18.2 yamt size_t size; 79 1.1.18.2 yamt 80 1.1.18.2 yamt strcpy(fname, request); 81 1.1.18.2 yamt 82 1.1.18.2 yamt filename = 0; 83 1.1.18.2 yamt for (p = fname; *p; p++) { 84 1.1.18.2 yamt if (*p == ':') { 85 1.1.18.2 yamt filename = p + 1; 86 1.1.18.2 yamt *p = '\0'; 87 1.1.18.2 yamt break; 88 1.1.18.2 yamt } 89 1.1.18.2 yamt } 90 1.1.18.2 yamt 91 1.1.18.2 yamt if (filename == 0) { /* not a loader's request. probably ufs_ls() */ 92 1.1.18.2 yamt printf("request=%s\n", request); 93 1.1.18.2 yamt f->f_dev = &dkdevsw; 94 1.1.18.2 yamt file_system[0] = ufs_ops; 95 1.1.18.2 yamt devsw[0] = dkdevsw; 96 1.1.18.2 yamt *file = "/"; 97 1.1.18.2 yamt return 0; 98 1.1.18.2 yamt } 99 1.1.18.2 yamt 100 1.1.18.2 yamt /* Data section */ 101 1.1.18.2 yamt if (strcmp(fname, "mem") == 0) { 102 1.1.18.2 yamt data_attach(kernel_binary, kernel_binary_size); 103 1.1.18.2 yamt *file = "noname"; 104 1.1.18.2 yamt f->f_flags |= F_NODEV; 105 1.1.18.2 yamt file_system[0] = datafs_ops; 106 1.1.18.2 yamt printf("data(compiled):noname\n"); 107 1.1.18.2 yamt return 0; 108 1.1.18.2 yamt } 109 1.1.18.2 yamt 110 1.1.18.2 yamt /* NFS boot */ 111 1.1.18.2 yamt if (strcmp(fname, "nfs") == 0) { 112 1.1.18.2 yamt extern int try_bootp; 113 1.1.18.2 yamt if (!DEVICE_CAPABILITY.network_enabled) { 114 1.1.18.2 yamt printf("Network disabled.\n"); 115 1.1.18.2 yamt return -1; 116 1.1.18.2 yamt } 117 1.1.18.2 yamt try_bootp = TRUE; 118 1.1.18.2 yamt file_system[0] = nfs_ops; 119 1.1.18.2 yamt f->f_dev = &netdevsw; 120 1.1.18.2 yamt if (*filename == '\0') { 121 1.1.18.2 yamt printf("set kernel filename. ex.) nfs:netbsd\n"); 122 1.1.18.2 yamt return 1; 123 1.1.18.2 yamt } 124 1.1.18.2 yamt *--filename = '/'; 125 1.1.18.2 yamt *file = filename; 126 1.1.18.2 yamt printf("nfs:/%s\n", filename); 127 1.1.18.2 yamt net_open(f); 128 1.1.18.2 yamt return 0; 129 1.1.18.2 yamt } 130 1.1.18.2 yamt 131 1.1.18.2 yamt /* FD boot */ 132 1.1.18.2 yamt if (strcmp(fname, "fd") == 0) { 133 1.1.18.2 yamt printf("floppy(boot):/%s (ustarfs)\n", filename); 134 1.1.18.2 yamt f->f_dev = &dkdevsw; 135 1.1.18.2 yamt file_system[0] = datafs_ops; 136 1.1.18.2 yamt devsw[0] = dkdevsw; 137 1.1.18.2 yamt device_attach(NVSRAM_BOOTDEV_FLOPPYDISK, -1, -1); 138 1.1.18.2 yamt if (!ustarfs_load(filename, &addr, &size)) 139 1.1.18.2 yamt return -1; 140 1.1.18.2 yamt data_attach(addr, size); 141 1.1.18.2 yamt *file = filename; 142 1.1.18.2 yamt return 0; 143 1.1.18.2 yamt } 144 1.1.18.2 yamt 145 1.1.18.2 yamt /* Disk boot */ 146 1.1.18.2 yamt if (strncmp(fname, "sd", 2) == 0) { 147 1.1.18.2 yamt enum fstype fs; 148 1.1.18.2 yamt if (!DEVICE_CAPABILITY.disk_enabled) { 149 1.1.18.2 yamt printf("Disk disabled.\n"); 150 1.1.18.2 yamt return -1; 151 1.1.18.2 yamt } 152 1.1.18.2 yamt 153 1.1.18.2 yamt disk = fname[2] - '0'; 154 1.1.18.2 yamt partition = fname[3] - 'a'; 155 1.1.18.2 yamt if (disk < 0 || disk > 9 || partition < 0 || partition > 15) { 156 1.1.18.2 yamt fs = FSTYPE_USTARFS; 157 1.1.18.2 yamt printf("disk(boot):%s ", filename); 158 1.1.18.2 yamt device_attach(NVSRAM_BOOTDEV_HARDDISK, -1, -1); 159 1.1.18.2 yamt } else { 160 1.1.18.2 yamt fs = fstype(partition); 161 1.1.18.2 yamt printf("disk(%d,%d):/%s ", 162 1.1.18.2 yamt disk, partition, filename); 163 1.1.18.2 yamt device_attach(NVSRAM_BOOTDEV_HARDDISK, disk, partition); 164 1.1.18.2 yamt } 165 1.1.18.2 yamt 166 1.1.18.2 yamt switch (fs) { 167 1.1.18.2 yamt case FSTYPE_UFS: 168 1.1.18.2 yamt printf(" (ufs)\n"); 169 1.1.18.2 yamt f->f_dev = &dkdevsw; 170 1.1.18.2 yamt file_system[0] = ufs_ops; 171 1.1.18.2 yamt devsw[0] = dkdevsw; 172 1.1.18.2 yamt break; 173 1.1.18.2 yamt case FSTYPE_BFS: 174 1.1.18.2 yamt printf(" (bfs)\n"); 175 1.1.18.2 yamt f->f_flags |= F_NODEV; 176 1.1.18.2 yamt file_system[0] = bfs_ops; 177 1.1.18.2 yamt break; 178 1.1.18.2 yamt case FSTYPE_USTARFS: 179 1.1.18.2 yamt printf(" (ustarfs)\n"); 180 1.1.18.2 yamt f->f_dev = &dkdevsw; 181 1.1.18.2 yamt file_system[0] = datafs_ops; 182 1.1.18.2 yamt devsw[0] = dkdevsw; 183 1.1.18.2 yamt if (!ustarfs_load(filename, &addr, &size)) 184 1.1.18.2 yamt return -1; 185 1.1.18.2 yamt data_attach(addr, size); 186 1.1.18.2 yamt break; 187 1.1.18.2 yamt } 188 1.1.18.2 yamt *file = filename; 189 1.1.18.2 yamt return 0; 190 1.1.18.2 yamt } 191 1.1.18.2 yamt 192 1.1.18.2 yamt printf("%s invalid.\n", fname); 193 1.1.18.2 yamt 194 1.1.18.2 yamt return -1; 195 1.1.18.2 yamt } 196
Indexes created Tue Oct 21 12:09:54 GMT 2025