1/* 2 * 3 * Copyright (C) 2007-2009 Gabor Juhos <juhosg@openwrt.org> 4 * 5 * This program was based on the code found in various Linux 6 * source tarballs released by Edimax for it's devices. 7 * Original author: David Hsu <davidhsu@realtek.com.tw> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; either version 2 12 * of the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the 21 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25#include <stdio.h> 26#include <stdlib.h> 27#include <stdint.h> 28#include <string.h> 29#include <unistd.h> /* for unlink() */ 30#include <libgen.h> 31#include <getopt.h> /* for getopt() */ 32#include <stdarg.h> 33#include <errno.h> 34#include <sys/stat.h> 35#include <endian.h> /* for __BYTE_ORDER */ 36#if defined(__CYGWIN__) 37# include <byteswap.h> 38#endif 39 40#include "csysimg.h" 41 42#if (__BYTE_ORDER == __LITTLE_ENDIAN) 43# define HOST_TO_LE16(x) (x) 44# define HOST_TO_LE32(x) (x) 45# define LE16_TO_HOST(x) (x) 46# define LE32_TO_HOST(x) (x) 47#else 48# define HOST_TO_LE16(x) bswap_16(x) 49# define HOST_TO_LE32(x) bswap_32(x) 50# define LE16_TO_HOST(x) bswap_16(x) 51# define LE32_TO_HOST(x) bswap_32(x) 52#endif 53 54#define MAX_NUM_BLOCKS 8 55#define MAX_ARG_COUNT 32 56#define MAX_ARG_LEN 1024 57#define FILE_BUF_LEN (16*1024) 58#define CSYS_PADC 0xFF 59 60#define BLOCK_TYPE_BOOT 0 61#define BLOCK_TYPE_CONF 1 62#define BLOCK_TYPE_WEBP 2 63#define BLOCK_TYPE_CODE 3 64#define BLOCK_TYPE_XTRA 4 65 66#define DEFAULT_BLOCK_ALIGN 0x10000U 67 68#define CSUM_SIZE_NONE 0 69#define CSUM_SIZE_8 1 70#define CSUM_SIZE_16 2 71 72 73struct csum_state{ 74 int size; 75 uint16_t val; 76 uint16_t tmp; 77 int odd; 78}; 79 80 81struct csys_block { 82 int type; /* type of the block */ 83 84 int need_file; 85 char *file_name; /* name of the file */ 86 uint32_t file_size; /* length of the file */ 87 88 unsigned char sig[SIG_LEN]; 89 uint32_t addr; 90 int addr_set; 91 uint32_t align; 92 int align_set; 93 uint8_t padc; 94 95 uint32_t size; 96 uint32_t size_hdr; 97 uint32_t size_csum; 98 uint32_t size_avail; 99 100 struct csum_state *css; 101}; 102 103 104struct board_info { 105 char *model; 106 char *name; 107 uint32_t flash_size; 108 109 char sig_boot[SIG_LEN]; 110 char sig_conf[SIG_LEN]; 111 char sig_webp[SIG_LEN]; 112 113 uint32_t boot_size; 114 uint32_t conf_size; 115 uint32_t webp_size; 116 uint32_t webp_size_max; 117 uint32_t code_size; 118 119 uint32_t addr_code; 120 uint32_t addr_webp; 121}; 122 123#define BOARD(m, n, f, sigb, sigw, bs, cs, ws, ac, aw) {\ 124 .model = m, .name = n, .flash_size = f<<20, \ 125 .sig_boot = sigb, .sig_conf = SIG_CONF, .sig_webp = sigw, \ 126 .boot_size = bs, .conf_size = cs, \ 127 .webp_size = ws, .webp_size_max = 3*0x10000, \ 128 .addr_code = ac, .addr_webp = aw \ 129 } 130 131#define BOARD_ADM(m,n,f, sigw) BOARD(m,n,f, ADM_BOOT_SIG, sigw, \ 132 ADM_BOOT_SIZE, ADM_CONF_SIZE, ADM_WEBP_SIZE, \ 133 ADM_CODE_ADDR, ADM_WEBP_ADDR) 134 135 136/* 137 * Globals 138 */ 139char *progname; 140char *ofname = NULL; 141int verblevel = 0; 142int invalid_causes_error = 1; 143int keep_invalid_images = 0; 144 145struct board_info *board = NULL; 146 147struct csys_block *boot_block = NULL; 148struct csys_block *conf_block = NULL; 149struct csys_block *webp_block = NULL; 150struct csys_block *code_block = NULL; 151 152struct csys_block blocks[MAX_NUM_BLOCKS]; 153int num_blocks = 0; 154 155static struct board_info boards[] = { 156 /* The original Edimax products */ 157 BOARD_ADM("BR-6104K", "Edimax BR-6104K", 2, SIG_BR6104K), 158 BOARD_ADM("BR-6104KP", "Edimax BR-6104KP", 2, SIG_BR6104KP), 159 BOARD_ADM("BR-6104Wg", "Edimax BR-6104Wg", 2, SIG_BR6104Wg), 160 BOARD_ADM("BR-6114WG", "Edimax BR-6114WG", 2, SIG_BR6114WG), 161 BOARD_ADM("BR-6524K", "Edimax BR-6524K", 2, SIG_BR6524K), 162 BOARD_ADM("BR-6524KP", "Edimax BR-6524KP", 2, SIG_BR6524KP), 163 BOARD_ADM("BR-6524N", "Edimax BR-6524N", 2, SIG_BR6524N), 164 BOARD_ADM("BR-6524WG", "Edimax BR-6524WG", 4, SIG_BR6524WG), 165 BOARD_ADM("BR-6524WP", "Edimax BR-6524WP", 4, SIG_BR6524WP), 166 BOARD_ADM("BR-6541K", "Edimax BR-6541K", 2, SIG_BR6541K), 167 BOARD_ADM("BR-6541KP", "Edimax BR-6541K", 2, SIG_BR6541KP), 168 BOARD_ADM("BR-6541WP", "Edimax BR-6541WP", 4, SIG_BR6541WP), 169 BOARD_ADM("EW-7207APg", "Edimax EW-7207APg", 2, SIG_EW7207APg), 170 BOARD_ADM("PS-1205UWg", "Edimax PS-1205UWg", 2, SIG_PS1205UWg), 171 BOARD_ADM("PS-3205U", "Edimax PS-3205U", 2, SIG_PS3205U), 172 BOARD_ADM("PS-3205UWg", "Edimax PS-3205UWg", 2, SIG_PS3205UWg), 173 174 /* Hawking products */ 175 BOARD_ADM("H2BR4", "Hawking H2BR4", 2, SIG_H2BR4), 176 BOARD_ADM("H2WR54G", "Hawking H2WR54G", 4, SIG_H2WR54G), 177 178 /* Planet products */ 179 BOARD_ADM("XRT-401D", "Planet XRT-401D", 2, SIG_XRT401D), 180 BOARD_ADM("XRT-402D", "Planet XRT-402D", 2, SIG_XRT402D), 181 182 /* Conceptronic products */ 183 BOARD_ADM("C54BSR4", "Conceptronic C54BSR4", 2, SIG_C54BSR4), 184 185 /* OSBRiDGE products */ 186 BOARD_ADM("5GXi", "OSBDRiDGE 5GXi", 2, SIG_5GXI), 187 188 {.model = NULL} 189}; 190 191/* 192 * Message macros 193 */ 194#define ERR(fmt, ...) do { \ 195 fflush(0); \ 196 fprintf(stderr, "[%s] *** error: " fmt "\n", progname, ## __VA_ARGS__ ); \ 197} while (0) 198 199#define ERRS(fmt, ...) do { \ 200 int save = errno; \ 201 fflush(0); \ 202 fprintf(stderr, "[%s] *** error: " fmt ": %s\n", progname, ## __VA_ARGS__ \ 203 , strerror(save)); \ 204} while (0) 205 206#define WARN(fmt, ...) do { \ 207 fprintf(stderr, "[%s] *** warning: " fmt "\n", progname, ## __VA_ARGS__ ); \ 208} while (0) 209 210#define DBG(lev, fmt, ...) do { \ 211 if (verblevel < lev) \ 212 break;\ 213 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \ 214} while (0) 215 216#define ERR_FATAL -1 217#define ERR_INVALID_IMAGE -2 218 219void 220usage(int status) 221{ 222 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; 223 struct board_info *board; 224 225 fprintf(stream, "Usage: %s [OPTIONS...] <file>\n", progname); 226 fprintf(stream, 227"\n" 228"Options:\n" 229" -B <board> create image for the board specified with <board>.\n" 230" valid <board> values:\n" 231 ); 232 for (board = boards; board->model != NULL; board++){ 233 fprintf(stream, 234" %-12s: %s\n", 235 board->model, board->name); 236 }; 237 fprintf(stream, 238" -d don't throw error on invalid images\n" 239" -k keep invalid images\n" 240" -b <file>[:<align>[:<padc>]]\n" 241" add boot code to the image\n" 242" -c <file>[:<align>[:<padc>]]\n" 243" add configuration settings to the image\n" 244" -r <file>:[<addr>][:<align>[:<padc>]]\n" 245" add runtime code to the image\n" 246" -w [<file>:[<addr>][:<align>[:<padc>]]]\n" 247" add webpages to the image\n" 248" -x <file>[:<align>[:<padc>]]\n" 249" add extra data at the end of the image\n" 250" -h show this screen\n" 251"Parameters:\n" 252" <file> write output to the file <file>\n" 253 ); 254 255 exit(status); 256} 257 258static inline uint32_t align(uint32_t base, uint32_t alignment) 259{ 260 uint32_t ret; 261 262 if (alignment) { 263 ret = (base + alignment - 1); 264 ret &= ~(alignment-1); 265 } else { 266 ret = base; 267 } 268 269 return ret; 270} 271 272/* 273 * argument parsing 274 */ 275int 276str2u32(char *arg, uint32_t *val) 277{ 278 char *err = NULL; 279 uint32_t t; 280 281 errno=0; 282 t = strtoul(arg, &err, 0); 283 if (errno || (err==arg) || ((err != NULL) && *err)) { 284 return -1; 285 } 286 287 *val = t; 288 return 0; 289} 290 291 292int 293str2u16(char *arg, uint16_t *val) 294{ 295 char *err = NULL; 296 uint32_t t; 297 298 errno=0; 299 t = strtoul(arg, &err, 0); 300 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) { 301 return -1; 302 } 303 304 *val = t & 0xFFFF; 305 return 0; 306} 307 308int 309str2u8(char *arg, uint8_t *val) 310{ 311 char *err = NULL; 312 uint32_t t; 313 314 errno=0; 315 t = strtoul(arg, &err, 0); 316 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) { 317 return -1; 318 } 319 320 *val = t & 0xFF; 321 return 0; 322} 323 324int 325str2sig(char *arg, uint32_t *sig) 326{ 327 if (strlen(arg) != 4) 328 return -1; 329 330 *sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24); 331 332 return 0; 333} 334 335 336int 337parse_arg(char *arg, char *buf, char *argv[]) 338{ 339 int res = 0; 340 size_t argl; 341 char *tok; 342 char **ap = &buf; 343 int i; 344 345 memset(argv, 0, MAX_ARG_COUNT * sizeof(void *)); 346 347 if ((arg == NULL)) { 348 /* no arguments */ 349 return 0; 350 } 351 352 argl = strlen(arg); 353 if (argl == 0) { 354 /* no arguments */ 355 return 0; 356 } 357 358 if (argl >= MAX_ARG_LEN) { 359 /* argument is too long */ 360 argl = MAX_ARG_LEN-1; 361 } 362 363 memcpy(buf, arg, argl); 364 buf[argl] = '\0'; 365 366 for (i = 0; i < MAX_ARG_COUNT; i++) { 367 tok = strsep(ap, ":"); 368 if (tok == NULL) { 369 break; 370 } 371#if 0 372 else if (tok[0] == '\0') { 373 break; 374 } 375#endif 376 argv[i] = tok; 377 res++; 378 } 379 380 return res; 381} 382 383 384int 385required_arg(char c, char *arg) 386{ 387 if (arg == NULL || *arg != '-') 388 return 0; 389 390 ERR("option -%c requires an argument\n", c); 391 return ERR_FATAL; 392} 393 394 395int 396is_empty_arg(char *arg) 397{ 398 int ret = 1; 399 if (arg != NULL) { 400 if (*arg) ret = 0; 401 }; 402 return ret; 403} 404 405 406void 407csum8_update(uint8_t *p, uint32_t len, struct csum_state *css) 408{ 409 for ( ; len > 0; len --) { 410 css->val += *p++; 411 } 412} 413 414 415uint16_t 416csum8_get(struct csum_state *css) 417{ 418 uint8_t t; 419 420 t = css->val; 421 return ~t + 1; 422} 423 424 425void 426csum16_update(uint8_t *p, uint32_t len, struct csum_state *css) 427{ 428 uint16_t t; 429 430 if (css->odd) { 431 t = css->tmp + (p[0]<<8); 432 css->val += LE16_TO_HOST(t); 433 css->odd = 0; 434 len--; 435 p++; 436 } 437 438 for ( ; len > 1; len -= 2, p +=2 ) { 439 t = p[0] + (p[1] << 8); 440 css->val += LE16_TO_HOST(t); 441 } 442 443 if (len == 1) { 444 css->tmp = p[0]; 445 css->odd = 1; 446 } 447} 448 449 450uint16_t 451csum16_get(struct csum_state *css) 452{ 453 char pad = 0; 454 455 csum16_update(&pad, 1, css); 456 return ~css->val + 1; 457} 458 459 460void 461csum_init(struct csum_state *css, int size) 462{ 463 css->val = 0; 464 css->tmp = 0; 465 css->odd = 0; 466 css->size = size; 467} 468 469 470void 471csum_update(uint8_t *p, uint32_t len, struct csum_state *css) 472{ 473 switch (css->size) { 474 case CSUM_SIZE_8: 475 csum8_update(p,len,css); 476 break; 477 case CSUM_SIZE_16: 478 csum16_update(p,len,css); 479 break; 480 } 481} 482 483 484uint16_t 485csum_get(struct csum_state *css) 486{ 487 uint16_t ret; 488 489 switch (css->size) { 490 case CSUM_SIZE_8: 491 ret = csum8_get(css); 492 break; 493 case CSUM_SIZE_16: 494 ret = csum16_get(css); 495 break; 496 } 497 498 return ret; 499} 500 501 502/* 503 * routines to write data to the output file 504 */ 505int 506write_out_data(FILE *outfile, uint8_t *data, size_t len, 507 struct csum_state *css) 508{ 509 errno = 0; 510 511 fwrite(data, len, 1, outfile); 512 if (errno) { 513 ERRS("unable to write output file"); 514 return ERR_FATAL; 515 } 516 517 if (css) { 518 csum_update(data, len, css); 519 } 520 521 return 0; 522} 523 524 525int 526write_out_padding(FILE *outfile, size_t len, uint8_t padc, 527 struct csum_state *css) 528{ 529 uint8_t buf[512]; 530 size_t buflen = sizeof(buf); 531 int err; 532 533 memset(buf, padc, buflen); 534 while (len > 0) { 535 if (len < buflen) 536 buflen = len; 537 538 err = write_out_data(outfile, buf, buflen, css); 539 if (err) 540 return err; 541 542 len -= buflen; 543 } 544 545 return 0; 546} 547 548 549int 550block_stat_file(struct csys_block *block) 551{ 552 struct stat st; 553 int err; 554 555 if (block->file_name == NULL) 556 return 0; 557 558 err = stat(block->file_name, &st); 559 if (err){ 560 ERRS("stat failed on %s", block->file_name); 561 return ERR_FATAL; 562 } 563 564 block->file_size = st.st_size; 565 return 0; 566} 567 568 569int 570block_writeout_hdr(FILE *outfile, struct csys_block *block) 571{ 572 struct csys_header hdr; 573 int res; 574 575 if (block->size_hdr == 0) 576 return 0; 577 578 /* setup header fields */ 579 memcpy(hdr.sig, block->sig, 4); 580 hdr.addr = HOST_TO_LE32(block->addr); 581 hdr.size = HOST_TO_LE32(block->size - block->size_hdr - block->size_csum); 582 583 DBG(1,"writing header for block"); 584 res = write_out_data(outfile, (uint8_t *)&hdr, sizeof(hdr),NULL); 585 return res; 586 587} 588 589 590int 591block_writeout_file(FILE *outfile, struct csys_block *block) 592{ 593 char buf[FILE_BUF_LEN]; 594 size_t buflen = sizeof(buf); 595 FILE *f; 596 size_t len; 597 int res; 598 599 if (block->file_name == NULL) 600 return 0; 601 602 if (block->file_size == 0) 603 return 0; 604 605 errno = 0; 606 f = fopen(block->file_name,"r"); 607 if (errno) { 608 ERRS("unable to open file: %s", block->file_name); 609 return ERR_FATAL; 610 } 611 612 len = block->file_size; 613 while (len > 0) { 614 if (len < buflen) 615 buflen = len; 616 617 /* read data from source file */ 618 errno = 0; 619 fread(buf, buflen, 1, f); 620 if (errno != 0) { 621 ERRS("unable to read from file: %s", block->file_name); 622 res = ERR_FATAL; 623 break; 624 } 625 626 res = write_out_data(outfile, buf, buflen, block->css); 627 if (res) 628 break; 629 630 len -= buflen; 631 } 632 633 fclose(f); 634 return res; 635} 636 637 638int 639block_writeout_data(FILE *outfile, struct csys_block *block) 640{ 641 int res; 642 size_t padlen; 643 644 res = block_writeout_file(outfile, block); 645 if (res) 646 return res; 647 648 /* write padding data if neccesary */ 649 padlen = block->size_avail - block->file_size; 650 DBG(1,"padding block, length=%zu", padlen); 651 res = write_out_padding(outfile, padlen, block->padc, block->css); 652 653 return res; 654} 655 656 657int 658block_writeout_csum(FILE *outfile, struct csys_block *block) 659{ 660 uint16_t csum; 661 int res; 662 663 if (block->size_csum == 0) 664 return 0; 665 666 DBG(1,"writing checksum for block"); 667 csum = HOST_TO_LE16(csum_get(block->css)); 668 res = write_out_data(outfile, (uint8_t *)&csum, block->size_csum, NULL); 669 670 return res; 671} 672 673 674int 675block_writeout(FILE *outfile, struct csys_block *block) 676{ 677 int res; 678 struct csum_state css; 679 680 res = 0; 681 682 if (block == NULL) 683 return res; 684 685 block->css = NULL; 686 687 DBG(2, "writing block, file=%s, file_size=%d, space=%d", 688 block->file_name, block->file_size, block->size_avail); 689 res = block_writeout_hdr(outfile, block); 690 if (res) 691 return res; 692 693 if (block->size_csum != 0) { 694 block->css = &css; 695 csum_init(&css, block->size_csum); 696 } 697 698 res = block_writeout_data(outfile, block); 699 if (res) 700 return res; 701 702 res = block_writeout_csum(outfile, block); 703 if (res) 704 return res; 705 706 return res; 707} 708 709 710int 711write_out_blocks(FILE *outfile) 712{ 713 struct csys_block *block; 714 int i, res; 715 716 res = block_writeout(outfile, boot_block); 717 if (res) 718 return res; 719 720 res = block_writeout(outfile, conf_block); 721 if (res) 722 return res; 723 724 res = block_writeout(outfile, webp_block); 725 if (res) 726 return res; 727 728 res = block_writeout(outfile, code_block); 729 if (res) 730 return res; 731 732 res = 0; 733 for (i=0; i < num_blocks; i++) { 734 block = &blocks[i]; 735 736 if (block->type != BLOCK_TYPE_XTRA) 737 continue; 738 739 res = block_writeout(outfile, block); 740 if (res) 741 break; 742 } 743 744 return res; 745} 746 747 748struct board_info * 749find_board(char *model) 750{ 751 struct board_info *ret; 752 struct board_info *board; 753 754 ret = NULL; 755 for (board = boards; board->model != NULL; board++){ 756 if (strcasecmp(model, board->model) == 0) { 757 ret = board; 758 break; 759 } 760 }; 761 762 return ret; 763} 764 765 766int 767parse_opt_board(char ch, char *arg) 768{ 769 770 DBG(1,"parsing board option: -%c %s", ch, arg); 771 772 if (board != NULL) { 773 ERR("only one board option allowed"); 774 return ERR_FATAL; 775 } 776 777 if (required_arg(ch, arg)) 778 return ERR_FATAL; 779 780 board = find_board(arg); 781 if (board == NULL){ 782 ERR("invalid/unknown board specified: %s", arg); 783 return ERR_FATAL; 784 } 785 786 return 0; 787} 788 789 790int 791parse_opt_block(char ch, char *arg) 792{ 793 char buf[MAX_ARG_LEN]; 794 char *argv[MAX_ARG_COUNT]; 795 int argc; 796 char *p; 797 struct csys_block *block; 798 int i; 799 800 if ( num_blocks > MAX_NUM_BLOCKS ) { 801 ERR("too many blocks specified"); 802 return ERR_FATAL; 803 } 804 805 block = &blocks[num_blocks]; 806 807 /* setup default field values */ 808 block->need_file = 1; 809 block->padc = 0xFF; 810 811 switch (ch) { 812 case 'b': 813 if (boot_block) { 814 WARN("only one boot block allowed"); 815 break; 816 } 817 block->type = BLOCK_TYPE_BOOT; 818 boot_block = block; 819 break; 820 case 'c': 821 if (conf_block) { 822 WARN("only one config block allowed"); 823 break; 824 } 825 block->type = BLOCK_TYPE_CONF; 826 conf_block = block; 827 break; 828 case 'w': 829 if (webp_block) { 830 WARN("only one web block allowed"); 831 break; 832 } 833 block->type = BLOCK_TYPE_WEBP; 834 block->size_hdr = sizeof(struct csys_header); 835 block->size_csum = CSUM_SIZE_8; 836 block->need_file = 0; 837 webp_block = block; 838 break; 839 case 'r': 840 if (code_block) { 841 WARN("only one runtime block allowed"); 842 break; 843 } 844 block->type = BLOCK_TYPE_CODE; 845 block->size_hdr = sizeof(struct csys_header); 846 block->size_csum = CSUM_SIZE_16; 847 code_block = block; 848 break; 849 case 'x': 850 block->type = BLOCK_TYPE_XTRA; 851 break; 852 default: 853 ERR("unknown block type \"%c\"", ch); 854 return ERR_FATAL; 855 } 856 857 argc = parse_arg(arg, buf, argv); 858 859 i = 0; 860 p = argv[i++]; 861 if (!is_empty_arg(p)) { 862 block->file_name = strdup(p); 863 if (block->file_name == NULL) { 864 ERR("not enough memory"); 865 return ERR_FATAL; 866 } 867 } else if (block->need_file){ 868 ERR("no file specified in %s", arg); 869 return ERR_FATAL; 870 } 871 872 if (block->size_hdr) { 873 p = argv[i++]; 874 if (!is_empty_arg(p)) { 875 if (str2u32(p, &block->addr) != 0) { 876 ERR("invalid start address in %s", arg); 877 return ERR_FATAL; 878 } 879 block->addr_set = 1; 880 } 881 } 882 883 p = argv[i++]; 884 if (!is_empty_arg(p)) { 885 if (str2u32(p, &block->align) != 0) { 886 ERR("invalid alignment value in %s", arg); 887 return ERR_FATAL; 888 } 889 block->align_set = 1; 890 } 891 892 p = argv[i++]; 893 if (!is_empty_arg(p) && (str2u8(p, &block->padc) != 0)) { 894 ERR("invalid paddig character in %s", arg); 895 return ERR_FATAL; 896 } 897 898 num_blocks++; 899 900 return 0; 901} 902 903 904int 905process_blocks(void) 906{ 907 struct csys_block *block; 908 uint32_t offs = 0; 909 int i; 910 int res; 911 912 res = 0; 913 /* collecting stats */ 914 for (i = 0; i < num_blocks; i++) { 915 block = &blocks[i]; 916 res = block_stat_file(block); 917 if (res) 918 return res; 919 } 920 921 /* bootloader */ 922 block = boot_block; 923 if (block) { 924 block->size = board->boot_size; 925 if (block->file_size > board->boot_size) { 926 WARN("boot block is too big"); 927 res = ERR_INVALID_IMAGE; 928 } 929 } 930 offs += board->boot_size; 931 932 /* configuration data */ 933 block = conf_block; 934 if (block) { 935 block->size = board->conf_size; 936 if (block->file_size > board->conf_size) { 937 WARN("config block is too big"); 938 res = ERR_INVALID_IMAGE; 939 } 940 } 941 offs += board->conf_size; 942 943 /* webpages */ 944 block = webp_block; 945 if (block) { 946 947 memcpy(block->sig, board->sig_webp, 4); 948 949 if (block->addr_set == 0) 950 block->addr = board->addr_webp; 951 952 if (block->align_set == 0) 953 block->align = DEFAULT_BLOCK_ALIGN; 954 955 block->size = align(offs + block->file_size + block->size_hdr + 956 block->size_csum, block->align) - offs; 957 958 if (block->size > board->webp_size_max) { 959 WARN("webpages block is too big"); 960 res = ERR_INVALID_IMAGE; 961 } 962 963 DBG(2,"webpages start at %08x, size=%08x", offs, 964 block->size); 965 966 offs += block->size; 967 if (offs > board->flash_size) { 968 WARN("webp block is too big"); 969 res = ERR_INVALID_IMAGE; 970 } 971 } 972 973 /* runtime code */ 974 block = code_block; 975 if (block) { 976 memcpy(code_block->sig, SIG_CSYS, 4); 977 978 if (block->addr_set == 0) 979 block->addr = board->addr_code; 980 981 if (block->align_set == 0) 982 block->align = DEFAULT_BLOCK_ALIGN; 983 984 block->size = align(offs + block->file_size + 985 block->size_hdr + block->size_csum, 986 block->align) - offs; 987 988 DBG(2,"code block start at %08x, size=%08x", offs, 989 block->size); 990 991 offs += block->size; 992 if (offs > board->flash_size) { 993 WARN("code block is too big"); 994 res = ERR_INVALID_IMAGE; 995 } 996 } 997 998 for (i = 0; i < num_blocks; i++) { 999 block = &blocks[i]; 1000 1001 if (block->type != BLOCK_TYPE_XTRA) 1002 continue; 1003 1004 if (block->align_set == 0) 1005 block->align = DEFAULT_BLOCK_ALIGN; 1006 1007 block->size = align(offs + block->file_size, 1008 block->align) - offs; 1009 1010 DBG(2,"file %s start at %08x, size=%08x, align=%08x", 1011 block->file_name, offs, block->size, block->align); 1012 1013 offs += block->size; 1014 if (offs > board->flash_size) { 1015 WARN("file %s is too big, size=%d, avail=%d", 1016 block->file_name, block->file_size, 1017 board->flash_size - offs); 1018 res = ERR_INVALID_IMAGE; 1019 } 1020 } 1021 1022 for (i = 0; i < num_blocks; i++) { 1023 block = &blocks[i]; 1024 1025 block->size_avail = block->size - block->size_hdr - 1026 block->size_csum; 1027 1028 if (block->size_avail < block->file_size) { 1029 WARN("file %s is too big, size=%d, avail=%d", 1030 block->file_name, block->file_size, 1031 block->size_avail); 1032 res = ERR_INVALID_IMAGE; 1033 } 1034 } 1035 1036 return res; 1037} 1038 1039 1040int 1041main(int argc, char *argv[]) 1042{ 1043 int optinvalid = 0; /* flag for invalid option */ 1044 int c; 1045 int res = ERR_FATAL; 1046 1047 FILE *outfile; 1048 1049 progname=basename(argv[0]); 1050 1051 opterr = 0; /* could not print standard getopt error messages */ 1052 while ( 1 ) { 1053 optinvalid = 0; 1054 1055 c = getopt(argc, argv, "b:B:c:dhkr:vw:x:"); 1056 if (c == -1) 1057 break; 1058 1059 switch (c) { 1060 case 'b': 1061 case 'c': 1062 case 'r': 1063 case 'x': 1064 optinvalid = parse_opt_block(c,optarg); 1065 break; 1066 case 'w': 1067 if (optarg != NULL && *optarg == '-') { 1068 /* rollback */ 1069 optind--; 1070 optarg = NULL; 1071 } 1072 optinvalid = parse_opt_block(c,optarg); 1073 break; 1074 case 'd': 1075 invalid_causes_error = 0; 1076 break; 1077 case 'k': 1078 keep_invalid_images = 1; 1079 break; 1080 case 'B': 1081 optinvalid = parse_opt_board(c,optarg); 1082 break; 1083 case 'v': 1084 verblevel++; 1085 break; 1086 case 'h': 1087 usage(EXIT_SUCCESS); 1088 break; 1089 default: 1090 optinvalid = 1; 1091 break; 1092 } 1093 if (optinvalid != 0 ){ 1094 ERR("invalid option: -%c", optopt); 1095 goto out; 1096 } 1097 } 1098 1099 if (board == NULL) { 1100 ERR("no board specified"); 1101 goto out; 1102 } 1103 1104 if (optind == argc) { 1105 ERR("no output file specified"); 1106 goto out; 1107 } 1108 1109 ofname = argv[optind++]; 1110 1111 if (optind < argc) { 1112 ERR("invalid option: %s", argv[optind]); 1113 goto out; 1114 } 1115 1116 res = process_blocks(); 1117 if (res == ERR_FATAL) 1118 goto out; 1119 1120 if (res == ERR_INVALID_IMAGE) { 1121 if (invalid_causes_error) 1122 res = ERR_FATAL; 1123 1124 if (keep_invalid_images == 0) { 1125 WARN("generation of invalid images \"%s\" disabled", ofname); 1126 goto out; 1127 } 1128 1129 WARN("generating invalid image: \"%s\"", ofname); 1130 } 1131 1132 outfile = fopen(ofname, "w"); 1133 if (outfile == NULL) { 1134 ERRS("could not open \"%s\" for writing", ofname); 1135 res = ERR_FATAL; 1136 goto out; 1137 } 1138 1139 if (write_out_blocks(outfile) != 0) { 1140 res = ERR_FATAL; 1141 goto out_flush; 1142 } 1143 1144 DBG(1,"Image file %s completed.", ofname); 1145 1146out_flush: 1147 fflush(outfile); 1148 fclose(outfile); 1149 if (res == ERR_FATAL) { 1150 unlink(ofname); 1151 } 1152out: 1153 if (res == ERR_FATAL) 1154 return EXIT_FAILURE; 1155 1156 return EXIT_SUCCESS; 1157} 1158