1 /* $NetBSD: md.c,v 1.8 2020/01/27 21:21:22 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 -- 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 91 if (pm->no_mbr || pm->no_part) 92 return true; 93 94 if (pm->parts == NULL) { 95 96 const struct disk_partitioning_scheme *ps = 97 select_part_scheme(pm, NULL, true, NULL); 98 99 if (!ps) 100 return false; 101 102 struct disk_partitions *parts = 103 (*ps->create_new_for_disk)(pm->diskdev, 104 0, pm->dlsize, true, NULL); 105 if (!parts) 106 return false; 107 108 pm->parts = parts; 109 if (ps->size_limit > 0 && pm->dlsize > ps->size_limit) 110 pm->dlsize = ps->size_limit; 111 } 112 113 return set_bios_geom_with_mbr_guess(pm->parts); 114 } 115 116 /* 117 * md back-end code for menu-driven BSD disklabel editor. 118 */ 119 bool 120 md_make_bsd_partitions(struct install_partition_desc *install) 121 { 122 return make_bsd_partitions(install); 123 } 124 125 /* 126 * any additional partition validation 127 */ 128 bool 129 md_check_partitions(struct install_partition_desc *install) 130 { 131 return true; 132 } 133 134 /* 135 * hook called before writing new disklabel. 136 */ 137 bool 138 md_pre_disklabel(struct install_partition_desc *install, 139 struct disk_partitions *parts) 140 { 141 142 if (parts->parent == NULL) 143 return true; /* no outer partitions */ 144 145 parts = parts->parent; 146 147 msg_display_subst(MSG_dofdisk, 3, parts->disk, 148 msg_string(parts->pscheme->name), 149 msg_string(parts->pscheme->short_name)); 150 151 /* write edited "MBR" onto disk. */ 152 if (!parts->pscheme->write_to_disk(parts)) { 153 msg_display(MSG_wmbrfail); 154 process_menu(MENU_ok, NULL); 155 return false; 156 } 157 return true; 158 } 159 160 /* 161 * hook called after writing disklabel to new target disk. 162 */ 163 bool 164 md_post_disklabel(struct install_partition_desc *install, 165 struct disk_partitions *parts) 166 { 167 #if 0 168 /* Sector forwarding / badblocks ... */ 169 if (*pm->doessf) { 170 msg_display(MSG_dobad144); 171 return run_program(RUN_DISPLAY, "/usr/sbin/bad144 %s 0", 172 pm->diskdev); 173 } 174 #endif 175 176 return true; 177 } 178 179 /* 180 * hook called after upgrade() or install() has finished setting 181 * up the target disk but immediately before the user is given the 182 * ``disks are now set up'' message. 183 */ 184 int 185 md_post_newfs(struct install_partition_desc *install) 186 { 187 struct mbr_sector pbr; 188 char adevname[STRSIZE]; 189 ssize_t sz; 190 int fd = -1; 191 192 snprintf(adevname, sizeof(adevname), "/dev/r%sa", pm->diskdev); 193 fd = open(adevname, O_RDWR); 194 if (fd < 0) 195 goto out; 196 197 /* Read partition boot record */ 198 sz = pread(fd, &pbr, sizeof(pbr), 0); 199 if (sz != sizeof(pbr)) 200 goto out; 201 202 /* Check magic number */ 203 if (pbr.mbr_magic != le16toh(MBR_MAGIC)) 204 goto out; 205 206 #define OSNAME "NetBSD60" 207 /* Update oemname */ 208 memcpy(&pbr.mbr_oemname, OSNAME, sizeof(OSNAME) - 1); 209 210 /* Clear BPB */ 211 memset(&pbr.mbr_bpb, 0, sizeof(pbr.mbr_bpb)); 212 213 /* write-backed new patition boot record */ 214 (void)pwrite(fd, &pbr, sizeof(pbr), 0); 215 216 out: 217 if (fd >= 0) 218 close(fd); 219 return 0; 220 } 221 222 int 223 md_post_extract(struct install_partition_desc *install) 224 { 225 return 0; 226 } 227 228 void 229 md_cleanup_install(struct install_partition_desc *install) 230 { 231 #ifndef DEBUG 232 enable_rc_conf(); 233 #endif 234 } 235 236 int 237 md_pre_update(struct install_partition_desc *install) 238 { 239 return 1; 240 } 241 242 /* Upgrade support */ 243 int 244 md_update(struct install_partition_desc *install) 245 { 246 md_post_newfs(install); 247 return 1; 248 } 249 250 int 251 md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet) 252 { 253 return 2; 254 } 255 256 bool 257 md_parts_use_wholedisk(struct disk_partitions *parts) 258 { 259 return parts_use_wholedisk(parts, 0, NULL); 260 } 261 262 int 263 md_pre_mount(struct install_partition_desc *install, size_t ndx) 264 { 265 return 0; 266 } 267 268 bool 269 md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri) 270 { 271 return false; /* no change, no need to write back */ 272 } 273 274 #ifdef HAVE_GPT 275 bool 276 md_gpt_post_write(struct disk_partitions *parts, part_id root_id, 277 bool root_is_new, part_id efi_id, bool efi_is_new) 278 { 279 /* no GPT boot support, nothing needs to be done here */ 280 return true; 281 } 282 #endif 283 284