1 /* $NetBSD: md.c,v 1.12 2022/01/29 16:01:21 martin Exp $ */ 2 3 /* 4 * Copyright 1997 Piermont Information Systems Inc. 5 * All rights reserved. 6 * 7 * Based on code written by Philip A. Nelson for Piermont Information 8 * Systems Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of Piermont Information Systems Inc. may not be used to endorse 19 * or promote products derived from this software without specific prior 20 * written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS'' 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* md.c -- zaurus machine specific routines */ 36 37 #include <sys/param.h> 38 #include <sys/sysctl.h> 39 40 #include <stdio.h> 41 #include <util.h> 42 43 #include "defs.h" 44 #include "md.h" 45 #include "msg_defs.h" 46 #include "menu_defs.h" 47 48 void 49 md_init(void) 50 { 51 } 52 53 void 54 md_init_set_status(int flags) 55 { 56 static const int mib[2] = {CTL_KERN, KERN_VERSION}; 57 size_t len; 58 char *version; 59 60 /* check INSTALL kernel name to select an appropriate kernel set */ 61 /* XXX: hw.cpu_model has a processor name on arm ports */ 62 sysctl(mib, 2, NULL, &len, NULL, 0); 63 version = malloc(len); 64 if (version == NULL) 65 return; 66 sysctl(mib, 2, version, &len, NULL, 0); 67 if (strstr(version, "C700") != NULL) 68 set_kernel_set(SET_KERNEL_C700); 69 free(version); 70 } 71 72 bool 73 md_get_info(struct install_partition_desc *install) 74 { 75 int res; 76 77 if (pm->no_mbr || pm->no_part) 78 return true; 79 80 again: 81 if (pm->parts == NULL) { 82 83 const struct disk_partitioning_scheme *ps = 84 select_part_scheme(pm, NULL, true, NULL); 85 86 if (!ps) 87 return false; 88 89 struct disk_partitions *parts = 90 (*ps->create_new_for_disk)(pm->diskdev, 91 0, pm->dlsize, true, NULL); 92 if (!parts) 93 return false; 94 95 pm->parts = parts; 96 if (ps->size_limit > 0 && pm->dlsize > ps->size_limit) 97 pm->dlsize = ps->size_limit; 98 } 99 100 res = set_bios_geom_with_mbr_guess(pm->parts); 101 if (res == 0) 102 return false; 103 else if (res == 1) 104 return true; 105 106 pm->parts->pscheme->destroy_part_scheme(pm->parts); 107 pm->parts = NULL; 108 goto again; 109 } 110 111 int 112 md_make_bsd_partitions(struct install_partition_desc *install) 113 { 114 return make_bsd_partitions(install); 115 } 116 117 /* 118 * any additional partition validation 119 */ 120 bool 121 md_check_partitions(struct install_partition_desc *install) 122 { 123 return true; 124 } 125 126 /* 127 * hook called before writing new disklabel. 128 */ 129 bool 130 md_pre_disklabel(struct install_partition_desc *install, 131 struct disk_partitions *parts) 132 { 133 134 if (parts->parent == NULL) 135 return true; /* no outer partitions */ 136 137 parts = parts->parent; 138 139 msg_display_subst(MSG_dofdisk, 3, parts->disk, 140 msg_string(parts->pscheme->name), 141 msg_string(parts->pscheme->short_name)); 142 143 /* write edited "MBR" onto disk. */ 144 if (!parts->pscheme->write_to_disk(parts)) { 145 msg_display(MSG_wmbrfail); 146 process_menu(MENU_ok, NULL); 147 return false; 148 } 149 return true; 150 } 151 152 /* 153 * hook called after writing disklabel to new target disk. 154 */ 155 bool 156 md_post_disklabel(struct install_partition_desc *install, 157 struct disk_partitions *parts) 158 { 159 return true; 160 } 161 162 /* 163 * hook called after upgrade() or install() has finished setting 164 * up the target disk but immediately before the user is given the 165 * ``disks are now set up'' message. 166 */ 167 int 168 md_post_newfs(struct install_partition_desc *install) 169 { 170 struct mbr_sector pbr; 171 char adevname[STRSIZE]; 172 ssize_t sz; 173 int fd = -1; 174 175 snprintf(adevname, sizeof(adevname), "/dev/r%sa", pm->diskdev); 176 fd = open(adevname, O_RDWR); 177 if (fd < 0) 178 goto out; 179 180 /* Read partition boot record */ 181 sz = pread(fd, &pbr, sizeof(pbr), 0); 182 if (sz != sizeof(pbr)) 183 goto out; 184 185 /* Check magic number */ 186 if (pbr.mbr_magic != le16toh(MBR_MAGIC)) 187 goto out; 188 189 #ifdef NETBSD_MAJOR 190 #define OSNAME "NetBSD" NETBSD_MAJOR 191 #else 192 #define OSNAME "NetBSD60" 193 #endif 194 /* Update oemname */ 195 memcpy(&pbr.mbr_oemname, OSNAME, sizeof(OSNAME) - 1); 196 197 /* Clear BPB */ 198 memset(&pbr.mbr_bpb, 0, sizeof(pbr.mbr_bpb)); 199 200 /* write-backed new partition boot record */ 201 (void)pwrite(fd, &pbr, sizeof(pbr), 0); 202 203 out: 204 if (fd >= 0) 205 close(fd); 206 return 0; 207 } 208 209 int 210 md_post_extract(struct install_partition_desc *install, bool upgrade) 211 { 212 return 0; 213 } 214 215 void 216 md_cleanup_install(struct install_partition_desc *install) 217 { 218 #ifndef DEBUG 219 enable_rc_conf(); 220 #endif 221 } 222 223 int 224 md_pre_update(struct install_partition_desc *install) 225 { 226 return 1; 227 } 228 229 /* Upgrade support */ 230 int 231 md_update(struct install_partition_desc *install) 232 { 233 md_post_newfs(install); 234 return 1; 235 } 236 237 int 238 md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet) 239 { 240 return 2; 241 } 242 243 bool 244 md_parts_use_wholedisk(struct disk_partitions *parts) 245 { 246 247 return parts_use_wholedisk(parts, 0, NULL); 248 } 249 250 251 int 252 md_pre_mount(struct install_partition_desc *install, size_t ndx) 253 { 254 return 0; 255 } 256 257 bool 258 md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri) 259 { 260 return false; /* no change, no need to write back */ 261 } 262 263 #ifdef HAVE_GPT 264 bool 265 md_gpt_post_write(struct disk_partitions *parts, part_id root_id, 266 bool root_is_new, part_id efi_id, bool efi_is_new) 267 { 268 /* no GPT boot support, nothing needs to be done here */ 269 return true; 270 } 271 #endif 272 273