1 /* $NetBSD: md.c,v 1.10 2021/08/09 19:24:33 andvar 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 -- hpcarm machine specific routines */ 36 37 #include <stdio.h> 38 #include <util.h> 39 #include <sys/param.h> 40 #include <machine/cpu.h> 41 #include <sys/sysctl.h> 42 43 #include "defs.h" 44 #include "md.h" 45 #include "msg_defs.h" 46 #include "menu_defs.h" 47 #include "endian.h" 48 #include "mbr.h" 49 50 void 51 md_init(void) 52 { 53 } 54 55 void 56 md_init_set_status(int flags) 57 { 58 static const struct { 59 const char *name; 60 const int set; 61 } kern_sets[] = { 62 { "IPAQ", SET_KERNEL_IPAQ }, 63 { "JORNADA720", SET_KERNEL_JORNADA720 }, 64 { "WZERO3", SET_KERNEL_WZERO3 } 65 }; 66 static const int mib[2] = {CTL_KERN, KERN_VERSION}; 67 size_t len; 68 char *version; 69 u_int i; 70 71 /* check INSTALL kernel name to select an appropriate kernel set */ 72 /* XXX: hw.cpu_model has a processor name on arm ports */ 73 sysctl(mib, 2, NULL, &len, NULL, 0); 74 version = malloc(len); 75 if (version == NULL) 76 return; 77 sysctl(mib, 2, version, &len, NULL, 0); 78 for (i = 0; i < __arraycount(kern_sets); i++) { 79 if (strstr(version, kern_sets[i].name) != NULL) { 80 set_kernel_set(kern_sets[i].set); 81 break; 82 } 83 } 84 free(version); 85 } 86 87 bool 88 md_get_info(struct install_partition_desc *install) 89 { 90 int res; 91 92 if (pm->no_mbr || pm->no_part) 93 return true; 94 95 again: 96 if (pm->parts == NULL) { 97 98 const struct disk_partitioning_scheme *ps = 99 select_part_scheme(pm, NULL, true, NULL); 100 101 if (!ps) 102 return false; 103 104 struct disk_partitions *parts = 105 (*ps->create_new_for_disk)(pm->diskdev, 106 0, pm->dlsize, true, NULL); 107 if (!parts) 108 return false; 109 110 pm->parts = parts; 111 if (ps->size_limit > 0 && pm->dlsize > ps->size_limit) 112 pm->dlsize = ps->size_limit; 113 } 114 115 res = set_bios_geom_with_mbr_guess(pm->parts); 116 if (res == 0) 117 return false; 118 else if (res == 1) 119 return true; 120 121 pm->parts->pscheme->destroy_part_scheme(pm->parts); 122 pm->parts = NULL; 123 goto again; 124 } 125 126 /* 127 * md back-end code for menu-driven BSD disklabel editor. 128 */ 129 int 130 md_make_bsd_partitions(struct install_partition_desc *install) 131 { 132 return make_bsd_partitions(install); 133 } 134 135 /* 136 * any additional partition validation 137 */ 138 bool 139 md_check_partitions(struct install_partition_desc *install) 140 { 141 return true; 142 } 143 144 /* 145 * hook called before writing new disklabel. 146 */ 147 bool 148 md_pre_disklabel(struct install_partition_desc *install, 149 struct disk_partitions *parts) 150 { 151 152 if (parts->parent == NULL) 153 return true; /* no outer partitions */ 154 155 parts = parts->parent; 156 157 msg_display_subst(MSG_dofdisk, 3, parts->disk, 158 msg_string(parts->pscheme->name), 159 msg_string(parts->pscheme->short_name)); 160 161 /* write edited "MBR" onto disk. */ 162 if (!parts->pscheme->write_to_disk(parts)) { 163 msg_display(MSG_wmbrfail); 164 process_menu(MENU_ok, NULL); 165 return false; 166 } 167 return true; 168 } 169 170 /* 171 * hook called after writing disklabel to new target disk. 172 */ 173 bool 174 md_post_disklabel(struct install_partition_desc *install, 175 struct disk_partitions *parts) 176 { 177 #if 0 178 /* Sector forwarding / badblocks ... */ 179 if (*pm->doessf) { 180 msg_display(MSG_dobad144); 181 return run_program(RUN_DISPLAY, "/usr/sbin/bad144 %s 0", 182 pm->diskdev); 183 } 184 #endif 185 186 return true; 187 } 188 189 /* 190 * hook called after upgrade() or install() has finished setting 191 * up the target disk but immediately before the user is given the 192 * ``disks are now set up'' message. 193 */ 194 int 195 md_post_newfs(struct install_partition_desc *install) 196 { 197 struct mbr_sector pbr; 198 char adevname[STRSIZE]; 199 ssize_t sz; 200 int fd = -1; 201 202 snprintf(adevname, sizeof(adevname), "/dev/r%sa", pm->diskdev); 203 fd = open(adevname, O_RDWR); 204 if (fd < 0) 205 goto out; 206 207 /* Read partition boot record */ 208 sz = pread(fd, &pbr, sizeof(pbr), 0); 209 if (sz != sizeof(pbr)) 210 goto out; 211 212 /* Check magic number */ 213 if (pbr.mbr_magic != le16toh(MBR_MAGIC)) 214 goto out; 215 216 #define OSNAME "NetBSD60" 217 /* Update oemname */ 218 memcpy(&pbr.mbr_oemname, OSNAME, sizeof(OSNAME) - 1); 219 220 /* Clear BPB */ 221 memset(&pbr.mbr_bpb, 0, sizeof(pbr.mbr_bpb)); 222 223 /* write-backed new partition boot record */ 224 (void)pwrite(fd, &pbr, sizeof(pbr), 0); 225 226 out: 227 if (fd >= 0) 228 close(fd); 229 return 0; 230 } 231 232 int 233 md_post_extract(struct install_partition_desc *install) 234 { 235 return 0; 236 } 237 238 void 239 md_cleanup_install(struct install_partition_desc *install) 240 { 241 #ifndef DEBUG 242 enable_rc_conf(); 243 #endif 244 } 245 246 int 247 md_pre_update(struct install_partition_desc *install) 248 { 249 return 1; 250 } 251 252 /* Upgrade support */ 253 int 254 md_update(struct install_partition_desc *install) 255 { 256 md_post_newfs(install); 257 return 1; 258 } 259 260 int 261 md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet) 262 { 263 return 2; 264 } 265 266 bool 267 md_parts_use_wholedisk(struct disk_partitions *parts) 268 { 269 return parts_use_wholedisk(parts, 0, NULL); 270 } 271 272 int 273 md_pre_mount(struct install_partition_desc *install, size_t ndx) 274 { 275 return 0; 276 } 277 278 bool 279 md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri) 280 { 281 return false; /* no change, no need to write back */ 282 } 283 284 #ifdef HAVE_GPT 285 bool 286 md_gpt_post_write(struct disk_partitions *parts, part_id root_id, 287 bool root_is_new, part_id efi_id, bool efi_is_new) 288 { 289 /* no GPT boot support, nothing needs to be done here */ 290 return true; 291 } 292 #endif 293 294