| 1 | /* |
| 2 | * mtd - simple memory technology device manipulation tool |
| 3 | * |
| 4 | * Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>, |
| 5 | * Copyright (C) 2005-2009 Felix Fietkau <nbd@openwrt.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License v2 |
| 9 | * as published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | * |
| 20 | * |
| 21 | * The code is based on the linux-mtd examples. |
| 22 | */ |
| 23 | |
| 24 | #include <limits.h> |
| 25 | #include <unistd.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <stdio.h> |
| 28 | #include <stdint.h> |
| 29 | #include <signal.h> |
| 30 | #include <sys/ioctl.h> |
| 31 | #include <sys/syscall.h> |
| 32 | #include <fcntl.h> |
| 33 | #include <errno.h> |
| 34 | #include <time.h> |
| 35 | #include <string.h> |
| 36 | #include <sys/ioctl.h> |
| 37 | #include <sys/types.h> |
| 38 | #include <sys/param.h> |
| 39 | #include <sys/mount.h> |
| 40 | #include <sys/stat.h> |
| 41 | #include <sys/reboot.h> |
| 42 | #include <linux/reboot.h> |
| 43 | #include <mtd/mtd-user.h> |
| 44 | #include "fis.h" |
| 45 | #include "mtd.h" |
| 46 | |
| 47 | #ifndef MTDREFRESH |
| 48 | #define MTDREFRESH _IO('M', 50) |
| 49 | #endif |
| 50 | |
| 51 | #define MAX_ARGS 8 |
| 52 | #define JFFS2_DEFAULT_DIR "" /* directory name without /, empty means root dir */ |
| 53 | |
| 54 | static char *buf = NULL; |
| 55 | static char *imagefile = NULL; |
| 56 | static char *jffs2file = NULL, *jffs2dir = JFFS2_DEFAULT_DIR; |
| 57 | static int buflen = 0; |
| 58 | int quiet; |
| 59 | int no_erase; |
| 60 | int mtdsize = 0; |
| 61 | int erasesize = 0; |
| 62 | |
| 63 | int mtd_open(const char *mtd, bool block) |
| 64 | { |
| 65 | FILE *fp; |
| 66 | char dev[PATH_MAX]; |
| 67 | int i; |
| 68 | int ret; |
| 69 | int flags = O_RDWR | O_SYNC; |
| 70 | |
| 71 | if ((fp = fopen("/proc/mtd", "r"))) { |
| 72 | while (fgets(dev, sizeof(dev), fp)) { |
| 73 | if (sscanf(dev, "mtd%d:", &i) && strstr(dev, mtd)) { |
| 74 | snprintf(dev, sizeof(dev), "/dev/mtd%s/%d", (block ? "block" : ""), i); |
| 75 | if ((ret=open(dev, flags))<0) { |
| 76 | snprintf(dev, sizeof(dev), "/dev/mtd%s%d", (block ? "block" : ""), i); |
| 77 | ret=open(dev, flags); |
| 78 | } |
| 79 | fclose(fp); |
| 80 | return ret; |
| 81 | } |
| 82 | } |
| 83 | fclose(fp); |
| 84 | } |
| 85 | |
| 86 | return open(mtd, flags); |
| 87 | } |
| 88 | |
| 89 | int mtd_check_open(const char *mtd) |
| 90 | { |
| 91 | struct mtd_info_user mtdInfo; |
| 92 | int fd; |
| 93 | |
| 94 | fd = mtd_open(mtd, false); |
| 95 | if(fd < 0) { |
| 96 | fprintf(stderr, "Could not open mtd device: %s\n", mtd); |
| 97 | return -1; |
| 98 | } |
| 99 | |
| 100 | if(ioctl(fd, MEMGETINFO, &mtdInfo)) { |
| 101 | fprintf(stderr, "Could not get MTD device info from %s\n", mtd); |
| 102 | close(fd); |
| 103 | return -1; |
| 104 | } |
| 105 | mtdsize = mtdInfo.size; |
| 106 | erasesize = mtdInfo.erasesize; |
| 107 | |
| 108 | return fd; |
| 109 | } |
| 110 | |
| 111 | int mtd_erase_block(int fd, int offset) |
| 112 | { |
| 113 | struct erase_info_user mtdEraseInfo; |
| 114 | |
| 115 | mtdEraseInfo.start = offset; |
| 116 | mtdEraseInfo.length = erasesize; |
| 117 | ioctl(fd, MEMUNLOCK, &mtdEraseInfo); |
| 118 | if (ioctl (fd, MEMERASE, &mtdEraseInfo) < 0) |
| 119 | return -1; |
| 120 | |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | int mtd_write_buffer(int fd, const char *buf, int offset, int length) |
| 125 | { |
| 126 | lseek(fd, offset, SEEK_SET); |
| 127 | write(fd, buf, length); |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | |
| 132 | static int |
| 133 | image_check(int imagefd, const char *mtd) |
| 134 | { |
| 135 | int ret = 1; |
| 136 | if (trx_check) { |
| 137 | ret = trx_check(imagefd, mtd, buf, &buflen); |
| 138 | } |
| 139 | |
| 140 | return ret; |
| 141 | } |
| 142 | |
| 143 | static int mtd_check(const char *mtd) |
| 144 | { |
| 145 | char *next = NULL; |
| 146 | char *str = NULL; |
| 147 | int fd; |
| 148 | |
| 149 | if (strchr(mtd, ':')) { |
| 150 | str = strdup(mtd); |
| 151 | mtd = str; |
| 152 | } |
| 153 | |
| 154 | do { |
| 155 | next = strchr(mtd, ':'); |
| 156 | if (next) { |
| 157 | *next = 0; |
| 158 | next++; |
| 159 | } |
| 160 | |
| 161 | fd = mtd_check_open(mtd); |
| 162 | if (fd < 0) |
| 163 | return 0; |
| 164 | |
| 165 | if (!buf) |
| 166 | buf = malloc(erasesize); |
| 167 | |
| 168 | close(fd); |
| 169 | mtd = next; |
| 170 | } while (next); |
| 171 | |
| 172 | if (str) |
| 173 | free(str); |
| 174 | |
| 175 | return 1; |
| 176 | } |
| 177 | |
| 178 | static int |
| 179 | mtd_unlock(const char *mtd) |
| 180 | { |
| 181 | struct erase_info_user mtdLockInfo; |
| 182 | char *next = NULL; |
| 183 | char *str = NULL; |
| 184 | int fd; |
| 185 | |
| 186 | if (strchr(mtd, ':')) { |
| 187 | str = strdup(mtd); |
| 188 | mtd = str; |
| 189 | } |
| 190 | |
| 191 | do { |
| 192 | next = strchr(mtd, ':'); |
| 193 | if (next) { |
| 194 | *next = 0; |
| 195 | next++; |
| 196 | } |
| 197 | |
| 198 | fd = mtd_check_open(mtd); |
| 199 | if(fd < 0) { |
| 200 | fprintf(stderr, "Could not open mtd device: %s\n", mtd); |
| 201 | exit(1); |
| 202 | } |
| 203 | |
| 204 | if (quiet < 2) |
| 205 | fprintf(stderr, "Unlocking %s ...\n", mtd); |
| 206 | |
| 207 | mtdLockInfo.start = 0; |
| 208 | mtdLockInfo.length = mtdsize; |
| 209 | ioctl(fd, MEMUNLOCK, &mtdLockInfo); |
| 210 | close(fd); |
| 211 | mtd = next; |
| 212 | } while (next); |
| 213 | |
| 214 | if (str) |
| 215 | free(str); |
| 216 | |
| 217 | return 0; |
| 218 | } |
| 219 | |
| 220 | static int |
| 221 | mtd_erase(const char *mtd) |
| 222 | { |
| 223 | int fd; |
| 224 | struct erase_info_user mtdEraseInfo; |
| 225 | |
| 226 | if (quiet < 2) |
| 227 | fprintf(stderr, "Erasing %s ...\n", mtd); |
| 228 | |
| 229 | fd = mtd_check_open(mtd); |
| 230 | if(fd < 0) { |
| 231 | fprintf(stderr, "Could not open mtd device: %s\n", mtd); |
| 232 | exit(1); |
| 233 | } |
| 234 | |
| 235 | mtdEraseInfo.length = erasesize; |
| 236 | |
| 237 | for (mtdEraseInfo.start = 0; |
| 238 | mtdEraseInfo.start < mtdsize; |
| 239 | mtdEraseInfo.start += erasesize) { |
| 240 | |
| 241 | ioctl(fd, MEMUNLOCK, &mtdEraseInfo); |
| 242 | if(ioctl(fd, MEMERASE, &mtdEraseInfo)) |
| 243 | fprintf(stderr, "Failed to erase block on %s at 0x%x\n", mtd, mtdEraseInfo.start); |
| 244 | } |
| 245 | |
| 246 | close(fd); |
| 247 | return 0; |
| 248 | |
| 249 | } |
| 250 | |
| 251 | static int |
| 252 | mtd_refresh(const char *mtd) |
| 253 | { |
| 254 | int fd; |
| 255 | |
| 256 | if (quiet < 2) |
| 257 | fprintf(stderr, "Refreshing mtd partition %s ... ", mtd); |
| 258 | |
| 259 | fd = mtd_check_open(mtd); |
| 260 | if(fd < 0) { |
| 261 | fprintf(stderr, "Could not open mtd device: %s\n", mtd); |
| 262 | exit(1); |
| 263 | } |
| 264 | |
| 265 | if (ioctl(fd, MTDREFRESH, NULL)) { |
| 266 | fprintf(stderr, "Failed to refresh the MTD device\n"); |
| 267 | close(fd); |
| 268 | exit(1); |
| 269 | } |
| 270 | close(fd); |
| 271 | |
| 272 | if (quiet < 2) |
| 273 | fprintf(stderr, "\n"); |
| 274 | |
| 275 | return 0; |
| 276 | } |
| 277 | |
| 278 | static void |
| 279 | indicate_writing(const char *mtd) |
| 280 | { |
| 281 | if (quiet < 2) |
| 282 | fprintf(stderr, "\nWriting from %s to %s ... ", imagefile, mtd); |
| 283 | |
| 284 | if (!quiet) |
| 285 | fprintf(stderr, " [ ]"); |
| 286 | } |
| 287 | |
| 288 | static int |
| 289 | mtd_write(int imagefd, const char *mtd, char *fis_layout, size_t part_offset) |
| 290 | { |
| 291 | char *next = NULL; |
| 292 | char *str = NULL; |
| 293 | int fd, result; |
| 294 | ssize_t r, w, e; |
| 295 | ssize_t skip = 0; |
| 296 | uint32_t offset = 0; |
| 297 | int jffs2_replaced = 0; |
| 298 | |
| 299 | #ifdef FIS_SUPPORT |
| 300 | static struct fis_part new_parts[MAX_ARGS]; |
| 301 | static struct fis_part old_parts[MAX_ARGS]; |
| 302 | int n_new = 0, n_old = 0; |
| 303 | |
| 304 | if (fis_layout) { |
| 305 | const char *tmp = mtd; |
| 306 | char *word, *brkt; |
| 307 | int ret; |
| 308 | |
| 309 | memset(&old_parts, 0, sizeof(old_parts)); |
| 310 | memset(&new_parts, 0, sizeof(new_parts)); |
| 311 | |
| 312 | do { |
| 313 | next = strchr(tmp, ':'); |
| 314 | if (!next) |
| 315 | next = (char *) tmp + strlen(tmp); |
| 316 | |
| 317 | memcpy(old_parts[n_old].name, tmp, next - tmp); |
| 318 | |
| 319 | n_old++; |
| 320 | tmp = next + 1; |
| 321 | } while(*next); |
| 322 | |
| 323 | for (word = strtok_r(fis_layout, ",", &brkt); |
| 324 | word; |
| 325 | word = strtok_r(NULL, ",", &brkt)) { |
| 326 | |
| 327 | tmp = strtok(word, ":"); |
| 328 | strncpy((char *) new_parts[n_new].name, tmp, sizeof(new_parts[n_new].name) - 1); |
| 329 | |
| 330 | tmp = strtok(NULL, ":"); |
| 331 | if (!tmp) |
| 332 | goto next; |
| 333 | |
| 334 | new_parts[n_new].size = strtoul(tmp, NULL, 0); |
| 335 | |
| 336 | tmp = strtok(NULL, ":"); |
| 337 | if (!tmp) |
| 338 | goto next; |
| 339 | |
| 340 | new_parts[n_new].loadaddr = strtoul(tmp, NULL, 16); |
| 341 | next: |
| 342 | n_new++; |
| 343 | } |
| 344 | ret = fis_validate(old_parts, n_old, new_parts, n_new); |
| 345 | if (ret < 0) { |
| 346 | fprintf(stderr, "Failed to validate the new FIS partition table\n"); |
| 347 | exit(1); |
| 348 | } |
| 349 | if (ret == 0) |
| 350 | fis_layout = NULL; |
| 351 | } |
| 352 | #endif |
| 353 | |
| 354 | if (strchr(mtd, ':')) { |
| 355 | str = strdup(mtd); |
| 356 | mtd = str; |
| 357 | } |
| 358 | |
| 359 | r = 0; |
| 360 | |
| 361 | resume: |
| 362 | next = strchr(mtd, ':'); |
| 363 | if (next) { |
| 364 | *next = 0; |
| 365 | next++; |
| 366 | } |
| 367 | |
| 368 | fd = mtd_check_open(mtd); |
| 369 | if(fd < 0) { |
| 370 | fprintf(stderr, "Could not open mtd device: %s\n", mtd); |
| 371 | exit(1); |
| 372 | } |
| 373 | |
| 374 | if (part_offset > 0) { |
| 375 | fprintf(stderr, "Seeking on mtd device '%s' to: %u\n", mtd, part_offset); |
| 376 | lseek(fd, part_offset, SEEK_SET); |
| 377 | } |
| 378 | |
| 379 | indicate_writing(mtd); |
| 380 | |
| 381 | w = e = 0; |
| 382 | for (;;) { |
| 383 | /* buffer may contain data already (from trx check or last mtd partition write attempt) */ |
| 384 | while (buflen < erasesize) { |
| 385 | r = read(imagefd, buf + buflen, erasesize - buflen); |
| 386 | if (r < 0) { |
| 387 | if ((errno == EINTR) || (errno == EAGAIN)) |
| 388 | continue; |
| 389 | else { |
| 390 | perror("read"); |
| 391 | break; |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | if (r == 0) |
| 396 | break; |
| 397 | |
| 398 | buflen += r; |
| 399 | } |
| 400 | |
| 401 | if (buflen == 0) |
| 402 | break; |
| 403 | |
| 404 | if (skip > 0) { |
| 405 | skip -= buflen; |
| 406 | buflen = 0; |
| 407 | if (skip <= 0) |
| 408 | indicate_writing(mtd); |
| 409 | |
| 410 | continue; |
| 411 | } |
| 412 | |
| 413 | if (jffs2file) { |
| 414 | if (memcmp(buf, JFFS2_EOF, sizeof(JFFS2_EOF) - 1) == 0) { |
| 415 | if (!quiet) |
| 416 | fprintf(stderr, "\b\b\b "); |
| 417 | if (quiet < 2) |
| 418 | fprintf(stderr, "\nAppending jffs2 data from %s to %s...", jffs2file, mtd); |
| 419 | /* got an EOF marker - this is the place to add some jffs2 data */ |
| 420 | skip = mtd_replace_jffs2(mtd, fd, e, jffs2file); |
| 421 | jffs2_replaced = 1; |
| 422 | |
| 423 | /* don't add it again */ |
| 424 | jffs2file = NULL; |
| 425 | |
| 426 | w += skip; |
| 427 | e += skip; |
| 428 | skip -= buflen; |
| 429 | buflen = 0; |
| 430 | offset = 0; |
| 431 | continue; |
| 432 | } |
| 433 | /* no EOF marker, make sure we figure out the last inode number |
| 434 | * before appending some data */ |
| 435 | mtd_parse_jffs2data(buf, jffs2dir); |
| 436 | } |
| 437 | |
| 438 | /* need to erase the next block before writing data to it */ |
| 439 | if(!no_erase) |
| 440 | { |
| 441 | while (w + buflen > e) { |
| 442 | if (!quiet) |
| 443 | fprintf(stderr, "\b\b\b[e]"); |
| 444 | |
| 445 | |
| 446 | if (mtd_erase_block(fd, e) < 0) { |
| 447 | if (next) { |
| 448 | if (w < e) { |
| 449 | write(fd, buf + offset, e - w); |
| 450 | offset = e - w; |
| 451 | } |
| 452 | w = 0; |
| 453 | e = 0; |
| 454 | close(fd); |
| 455 | mtd = next; |
| 456 | fprintf(stderr, "\b\b\b \n"); |
| 457 | goto resume; |
| 458 | } else { |
| 459 | fprintf(stderr, "Failed to erase block\n"); |
| 460 | exit(1); |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | /* erase the chunk */ |
| 465 | e += erasesize; |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | if (!quiet) |
| 470 | fprintf(stderr, "\b\b\b[w]"); |
| 471 | |
| 472 | if ((result = write(fd, buf + offset, buflen)) < buflen) { |
| 473 | if (result < 0) { |
| 474 | fprintf(stderr, "Error writing image.\n"); |
| 475 | exit(1); |
| 476 | } else { |
| 477 | fprintf(stderr, "Insufficient space.\n"); |
| 478 | exit(1); |
| 479 | } |
| 480 | } |
| 481 | w += buflen; |
| 482 | |
| 483 | buflen = 0; |
| 484 | offset = 0; |
| 485 | } |
| 486 | |
| 487 | if (jffs2_replaced && trx_fixup) { |
| 488 | trx_fixup(fd, mtd); |
| 489 | } |
| 490 | |
| 491 | if (!quiet) |
| 492 | fprintf(stderr, "\b\b\b\b "); |
| 493 | |
| 494 | done: |
| 495 | if (quiet < 2) |
| 496 | fprintf(stderr, "\n"); |
| 497 | |
| 498 | #ifdef FIS_SUPPORT |
| 499 | if (fis_layout) { |
| 500 | if (fis_remap(old_parts, n_old, new_parts, n_new) < 0) |
| 501 | fprintf(stderr, "Failed to update the FIS partition table\n"); |
| 502 | } |
| 503 | #endif |
| 504 | |
| 505 | close(fd); |
| 506 | return 0; |
| 507 | } |
| 508 | |
| 509 | static void usage(void) |
| 510 | { |
| 511 | fprintf(stderr, "Usage: mtd [<options> ...] <command> [<arguments> ...] <device>[:<device>...]\n\n" |
| 512 | "The device is in the format of mtdX (eg: mtd4) or its label.\n" |
| 513 | "mtd recognizes these commands:\n" |
| 514 | " unlock unlock the device\n" |
| 515 | " refresh refresh mtd partition\n" |
| 516 | " erase erase all data on device\n" |
| 517 | " write <imagefile>|- write <imagefile> (use - for stdin) to device\n" |
| 518 | " jffs2write <file> append <file> to the jffs2 partition on the device\n"); |
| 519 | if (mtd_fixtrx) { |
| 520 | fprintf(stderr, |
| 521 | " fixtrx fix the checksum in a trx header on first boot\n"); |
| 522 | } |
| 523 | if (mtd_fixseama) { |
| 524 | fprintf(stderr, |
| 525 | " fixseama fix the checksum in a seama header on first boot\n"); |
| 526 | } |
| 527 | fprintf(stderr, |
| 528 | "Following options are available:\n" |
| 529 | " -q quiet mode (once: no [w] on writing,\n" |
| 530 | " twice: no status messages)\n" |
| 531 | " -n write without first erasing the blocks\n" |
| 532 | " -r reboot after successful command\n" |
| 533 | " -f force write without trx checks\n" |
| 534 | " -e <device> erase <device> before executing the command\n" |
| 535 | " -d <name> directory for jffs2write, defaults to \"tmp\"\n" |
| 536 | " -j <name> integrate <file> into jffs2 data when writing an image\n" |
| 537 | " -p write beginning at partition offset\n"); |
| 538 | if (mtd_fixtrx) { |
| 539 | fprintf(stderr, |
| 540 | " -o offset offset of the image header in the partition(for fixtrx)\n"); |
| 541 | } |
| 542 | fprintf(stderr, |
| 543 | #ifdef FIS_SUPPORT |
| 544 | " -F <part>[:<size>[:<entrypoint>]][,<part>...]\n" |
| 545 | " alter the fis partition table to create new partitions replacing\n" |
| 546 | " the partitions provided as argument to the write command\n" |
| 547 | " (only valid together with the write command)\n" |
| 548 | #endif |
| 549 | "\n" |
| 550 | "Example: To write linux.trx to mtd4 labeled as linux and reboot afterwards\n" |
| 551 | " mtd -r write linux.trx linux\n\n"); |
| 552 | exit(1); |
| 553 | } |
| 554 | |
| 555 | static void do_reboot(void) |
| 556 | { |
| 557 | fprintf(stderr, "Rebooting ...\n"); |
| 558 | fflush(stderr); |
| 559 | |
| 560 | /* try regular reboot method first */ |
| 561 | system("/sbin/reboot"); |
| 562 | sleep(2); |
| 563 | |
| 564 | /* if we're still alive at this point, force the kernel to reboot */ |
| 565 | syscall(SYS_reboot,LINUX_REBOOT_MAGIC1,LINUX_REBOOT_MAGIC2,LINUX_REBOOT_CMD_RESTART,NULL); |
| 566 | } |
| 567 | |
| 568 | int main (int argc, char **argv) |
| 569 | { |
| 570 | int ch, i, boot, imagefd = 0, force, unlocked; |
| 571 | char *erase[MAX_ARGS], *device = NULL; |
| 572 | char *fis_layout = NULL; |
| 573 | size_t offset = 0, part_offset = 0; |
| 574 | enum { |
| 575 | CMD_ERASE, |
| 576 | CMD_WRITE, |
| 577 | CMD_UNLOCK, |
| 578 | CMD_REFRESH, |
| 579 | CMD_JFFS2WRITE, |
| 580 | CMD_FIXTRX, |
| 581 | CMD_FIXSEAMA, |
| 582 | } cmd = -1; |
| 583 | |
| 584 | erase[0] = NULL; |
| 585 | boot = 0; |
| 586 | force = 0; |
| 587 | buflen = 0; |
| 588 | quiet = 0; |
| 589 | no_erase = 0; |
| 590 | |
| 591 | while ((ch = getopt(argc, argv, |
| 592 | #ifdef FIS_SUPPORT |
| 593 | "F:" |
| 594 | #endif |
| 595 | "frnqe:d:j:p:o:")) != -1) |
| 596 | switch (ch) { |
| 597 | case 'f': |
| 598 | force = 1; |
| 599 | break; |
| 600 | case 'r': |
| 601 | boot = 1; |
| 602 | break; |
| 603 | case 'n': |
| 604 | no_erase = 1; |
| 605 | break; |
| 606 | case 'j': |
| 607 | jffs2file = optarg; |
| 608 | break; |
| 609 | case 'q': |
| 610 | quiet++; |
| 611 | break; |
| 612 | case 'e': |
| 613 | i = 0; |
| 614 | while ((erase[i] != NULL) && ((i + 1) < MAX_ARGS)) |
| 615 | i++; |
| 616 | |
| 617 | erase[i++] = optarg; |
| 618 | erase[i] = NULL; |
| 619 | break; |
| 620 | case 'd': |
| 621 | jffs2dir = optarg; |
| 622 | break; |
| 623 | case 'p': |
| 624 | errno = 0; |
| 625 | part_offset = strtoul(optarg, 0, 0); |
| 626 | if (errno) { |
| 627 | fprintf(stderr, "-p: illegal numeric string\n"); |
| 628 | usage(); |
| 629 | } |
| 630 | break; |
| 631 | case 'o': |
| 632 | if (!mtd_fixtrx) { |
| 633 | fprintf(stderr, "-o: is not available on this platform\n"); |
| 634 | usage(); |
| 635 | } |
| 636 | errno = 0; |
| 637 | offset = strtoul(optarg, 0, 0); |
| 638 | if (errno) { |
| 639 | fprintf(stderr, "-o: illegal numeric string\n"); |
| 640 | usage(); |
| 641 | } |
| 642 | break; |
| 643 | #ifdef FIS_SUPPORT |
| 644 | case 'F': |
| 645 | fis_layout = optarg; |
| 646 | break; |
| 647 | #endif |
| 648 | case '?': |
| 649 | default: |
| 650 | usage(); |
| 651 | } |
| 652 | argc -= optind; |
| 653 | argv += optind; |
| 654 | |
| 655 | if (argc < 2) |
| 656 | usage(); |
| 657 | |
| 658 | if ((strcmp(argv[0], "unlock") == 0) && (argc == 2)) { |
| 659 | cmd = CMD_UNLOCK; |
| 660 | device = argv[1]; |
| 661 | } else if ((strcmp(argv[0], "refresh") == 0) && (argc == 2)) { |
| 662 | cmd = CMD_REFRESH; |
| 663 | device = argv[1]; |
| 664 | } else if ((strcmp(argv[0], "erase") == 0) && (argc == 2)) { |
| 665 | cmd = CMD_ERASE; |
| 666 | device = argv[1]; |
| 667 | } else if (((strcmp(argv[0], "fixtrx") == 0) && (argc == 2)) && mtd_fixtrx) { |
| 668 | cmd = CMD_FIXTRX; |
| 669 | device = argv[1]; |
| 670 | } else if (((strcmp(argv[0], "fixseama") == 0) && (argc == 2)) && mtd_fixseama) { |
| 671 | cmd = CMD_FIXSEAMA; |
| 672 | device = argv[1]; |
| 673 | } else if ((strcmp(argv[0], "write") == 0) && (argc == 3)) { |
| 674 | cmd = CMD_WRITE; |
| 675 | device = argv[2]; |
| 676 | |
| 677 | if (strcmp(argv[1], "-") == 0) { |
| 678 | imagefile = "<stdin>"; |
| 679 | imagefd = 0; |
| 680 | } else { |
| 681 | imagefile = argv[1]; |
| 682 | if ((imagefd = open(argv[1], O_RDONLY)) < 0) { |
| 683 | fprintf(stderr, "Couldn't open image file: %s!\n", imagefile); |
| 684 | exit(1); |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | if (!mtd_check(device)) { |
| 689 | fprintf(stderr, "Can't open device for writing!\n"); |
| 690 | exit(1); |
| 691 | } |
| 692 | /* check trx file before erasing or writing anything */ |
| 693 | if (!image_check(imagefd, device) && !force) { |
| 694 | fprintf(stderr, "Image check failed.\n"); |
| 695 | exit(1); |
| 696 | } |
| 697 | } else if ((strcmp(argv[0], "jffs2write") == 0) && (argc == 3)) { |
| 698 | cmd = CMD_JFFS2WRITE; |
| 699 | device = argv[2]; |
| 700 | |
| 701 | imagefile = argv[1]; |
| 702 | if (!mtd_check(device)) { |
| 703 | fprintf(stderr, "Can't open device for writing!\n"); |
| 704 | exit(1); |
| 705 | } |
| 706 | } else { |
| 707 | usage(); |
| 708 | } |
| 709 | |
| 710 | sync(); |
| 711 | |
| 712 | i = 0; |
| 713 | unlocked = 0; |
| 714 | while (erase[i] != NULL) { |
| 715 | mtd_unlock(erase[i]); |
| 716 | mtd_erase(erase[i]); |
| 717 | if (strcmp(erase[i], device) == 0) |
| 718 | unlocked = 1; |
| 719 | i++; |
| 720 | } |
| 721 | |
| 722 | switch (cmd) { |
| 723 | case CMD_UNLOCK: |
| 724 | if (!unlocked) |
| 725 | mtd_unlock(device); |
| 726 | break; |
| 727 | case CMD_ERASE: |
| 728 | if (!unlocked) |
| 729 | mtd_unlock(device); |
| 730 | mtd_erase(device); |
| 731 | break; |
| 732 | case CMD_WRITE: |
| 733 | if (!unlocked) |
| 734 | mtd_unlock(device); |
| 735 | mtd_write(imagefd, device, fis_layout, part_offset); |
| 736 | break; |
| 737 | case CMD_JFFS2WRITE: |
| 738 | if (!unlocked) |
| 739 | mtd_unlock(device); |
| 740 | mtd_write_jffs2(device, imagefile, jffs2dir); |
| 741 | break; |
| 742 | case CMD_REFRESH: |
| 743 | mtd_refresh(device); |
| 744 | break; |
| 745 | case CMD_FIXTRX: |
| 746 | if (mtd_fixtrx) { |
| 747 | mtd_fixtrx(device, offset); |
| 748 | } |
| 749 | case CMD_FIXSEAMA: |
| 750 | if (mtd_fixseama) |
| 751 | mtd_fixseama(device, 0); |
| 752 | break; |
| 753 | } |
| 754 | |
| 755 | sync(); |
| 756 | |
| 757 | if (boot) |
| 758 | do_reboot(); |
| 759 | |
| 760 | return 0; |
| 761 | } |
| 762 | |
