tools/firmware-utils/src/mkcsysimg.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *
   4  *  Copyright (C) 2007-2009 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program was based on the code found in various Linux
   7  *  source tarballs released by Edimax for it's devices.
   8  *  Original author: David Hsu <davidhsu@realtek.com.tw>
   9  */
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <stdint.h>
  14 #include <string.h>
  15 #include <unistd.h>     /* for unlink() */
  16 #include <libgen.h>
  17 #include <getopt.h>     /* for getopt() */
  18 #include <stdarg.h>
  19 #include <errno.h>
  20 #include <sys/stat.h>
  21 #include <endian.h>     /* for __BYTE_ORDER */
  22 #if defined(__CYGWIN__)
  23 #  include <byteswap.h>
  24 #endif
  25
  26 #include "csysimg.h"
  27
  28 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
  29 #  define HOST_TO_LE16(x)       (x)
  30 #  define HOST_TO_LE32(x)       (x)
  31 #  define LE16_TO_HOST(x)       (x)
  32 #  define LE32_TO_HOST(x)       (x)
  33 #else
  34 #  define HOST_TO_LE16(x)       bswap_16(x)
  35 #  define HOST_TO_LE32(x)       bswap_32(x)
  36 #  define LE16_TO_HOST(x)       bswap_16(x)
  37 #  define LE32_TO_HOST(x)       bswap_32(x)
  38 #endif
  39
  40 #define MAX_NUM_BLOCKS  8
  41 #define MAX_ARG_COUNT   32
  42 #define MAX_ARG_LEN     1024
  43 #define FILE_BUF_LEN    (16*1024)
  44 #define CSYS_PADC       0xFF
  45
  46 #define BLOCK_TYPE_BOOT 0
  47 #define BLOCK_TYPE_CONF 1
  48 #define BLOCK_TYPE_WEBP 2
  49 #define BLOCK_TYPE_CODE 3
  50 #define BLOCK_TYPE_XTRA 4
  51
  52 #define DEFAULT_BLOCK_ALIGN     0x10000U
  53
  54 #define CSUM_SIZE_NONE  0
  55 #define CSUM_SIZE_8     1
  56 #define CSUM_SIZE_16    2
  57
  58
  59 struct csum_state{
  60         int     size;
  61         uint16_t val;
  62         uint16_t tmp;
  63         int     odd;
  64 };
  65
  66
  67 struct csys_block {
  68         int             type;   /* type of the block */
  69
  70         int             need_file;
  71         char            *file_name;     /* name of the file */
  72         uint32_t        file_size;      /* length of the file */
  73
  74         unsigned char   sig[SIG_LEN];
  75         uint32_t        addr;
  76         int             addr_set;
  77         uint32_t        align;
  78         int             align_set;
  79         uint8_t         padc;
  80
  81         uint32_t        size;
  82         uint32_t        size_hdr;
  83         uint32_t        size_csum;
  84         uint32_t        size_avail;
  85
  86         struct csum_state *css;
  87 };
  88
  89
  90 struct board_info {
  91         char *model;
  92         char *name;
  93         uint32_t flash_size;
  94
  95         char sig_boot[SIG_LEN];
  96         char sig_conf[SIG_LEN];
  97         char sig_webp[SIG_LEN];
  98
  99         uint32_t boot_size;
 100         uint32_t conf_size;
 101         uint32_t webp_size;
 102         uint32_t webp_size_max;
 103         uint32_t code_size;
 104
 105         uint32_t addr_code;
 106         uint32_t addr_webp;
 107 };
 108
 109 #define BOARD(m, n, f, sigb, sigw, bs, cs, ws, ac, aw) {\
 110         .model = m, .name = n, .flash_size = f<<20, \
 111         .sig_boot = sigb, .sig_conf = SIG_CONF, .sig_webp = sigw, \
 112         .boot_size = bs, .conf_size = cs, \
 113         .webp_size = ws, .webp_size_max = 3*0x10000, \
 114         .addr_code = ac, .addr_webp = aw \
 115         }
 116
 117 #define BOARD_ADM(m,n,f, sigw) BOARD(m,n,f, ADM_BOOT_SIG, sigw, \
 118         ADM_BOOT_SIZE, ADM_CONF_SIZE, ADM_WEBP_SIZE, \
 119         ADM_CODE_ADDR, ADM_WEBP_ADDR)
 120
 121
 122 /*
 123  * Globals
 124  */
 125 char *progname;
 126 char *ofname = NULL;
 127 int verblevel = 0;
 128 int invalid_causes_error = 1;
 129 int keep_invalid_images = 0;
 130
 131 struct board_info *board = NULL;
 132
 133 struct csys_block *boot_block = NULL;
 134 struct csys_block *conf_block = NULL;
 135 struct csys_block *webp_block = NULL;
 136 struct csys_block *code_block = NULL;
 137
 138 struct csys_block blocks[MAX_NUM_BLOCKS];
 139 int num_blocks = 0;
 140
 141 static struct board_info boards[] = {
 142         /* The original Edimax products */
 143         BOARD_ADM("BR-6104K", "Edimax BR-6104K", 2, SIG_BR6104K),
 144         BOARD_ADM("BR-6104KP", "Edimax BR-6104KP", 2, SIG_BR6104KP),
 145         BOARD_ADM("BR-6104Wg", "Edimax BR-6104Wg", 2, SIG_BR6104Wg),
 146         BOARD_ADM("BR-6114WG", "Edimax BR-6114WG", 2, SIG_BR6114WG),
 147         BOARD_ADM("BR-6524K", "Edimax BR-6524K", 2, SIG_BR6524K),
 148         BOARD_ADM("BR-6524KP", "Edimax BR-6524KP", 2, SIG_BR6524KP),
 149         BOARD_ADM("BR-6524N", "Edimax BR-6524N", 2, SIG_BR6524N),
 150         BOARD_ADM("BR-6524WG", "Edimax BR-6524WG", 4, SIG_BR6524WG),
 151         BOARD_ADM("BR-6524WP", "Edimax BR-6524WP", 4, SIG_BR6524WP),
 152         BOARD_ADM("BR-6541K", "Edimax BR-6541K", 2, SIG_BR6541K),
 153         BOARD_ADM("BR-6541KP", "Edimax BR-6541K", 2, SIG_BR6541KP),
 154         BOARD_ADM("BR-6541WP", "Edimax BR-6541WP", 4, SIG_BR6541WP),
 155         BOARD_ADM("EW-7207APg", "Edimax EW-7207APg", 2, SIG_EW7207APg),
 156         BOARD_ADM("PS-1205UWg", "Edimax PS-1205UWg", 2, SIG_PS1205UWg),
 157         BOARD_ADM("PS-3205U", "Edimax PS-3205U", 2, SIG_PS3205U),
 158         BOARD_ADM("PS-3205UWg", "Edimax PS-3205UWg", 2, SIG_PS3205UWg),
 159
 160         /* Hawking products */
 161         BOARD_ADM("H2BR4", "Hawking H2BR4", 2, SIG_H2BR4),
 162         BOARD_ADM("H2WR54G", "Hawking H2WR54G", 4, SIG_H2WR54G),
 163
 164         /* Planet products */
 165         BOARD_ADM("XRT-401D", "Planet XRT-401D", 2, SIG_XRT401D),
 166         BOARD_ADM("XRT-402D", "Planet XRT-402D", 2, SIG_XRT402D),
 167
 168         /* Conceptronic products */
 169         BOARD_ADM("C54BSR4", "Conceptronic C54BSR4", 2, SIG_C54BSR4),
 170
 171         /* OSBRiDGE products */
 172         BOARD_ADM("5GXi", "OSBDRiDGE 5GXi", 2, SIG_5GXI),
 173
 174         {.model = NULL}
 175 };
 176
 177 /*
 178  * Message macros
 179  */
 180 #define ERR(fmt, ...) do { \
 181         fflush(0); \
 182         fprintf(stderr, "[%s] *** error: " fmt "\n", progname, ## __VA_ARGS__ ); \
 183 } while (0)
 184
 185 #define ERRS(fmt, ...) do { \
 186         int save = errno; \
 187         fflush(0); \
 188         fprintf(stderr, "[%s] *** error: " fmt ": %s\n", progname, ## __VA_ARGS__ \
 189                 , strerror(save)); \
 190 } while (0)
 191
 192 #define WARN(fmt, ...) do { \
 193         fprintf(stderr, "[%s] *** warning: " fmt "\n", progname, ## __VA_ARGS__ ); \
 194 } while (0)
 195
 196 #define DBG(lev, fmt, ...) do { \
 197         if (verblevel < lev) \
 198                 break;\
 199         fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
 200 } while (0)
 201
 202 #define ERR_FATAL               -1
 203 #define ERR_INVALID_IMAGE       -2
 204
 205 void
 206 usage(int status)
 207 {
 208         FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
 209         struct board_info *board;
 210
 211         fprintf(stream, "Usage: %s [OPTIONS...] <file>\n", progname);
 212         fprintf(stream,
 213 "\n"
 214 "Options:\n"
 215 "  -B <board>      create image for the board specified with <board>.\n"
 216 "                  valid <board> values:\n"
 217         );
 218         for (board = boards; board->model != NULL; board++){
 219                 fprintf(stream,
 220 "                  %-12s: %s\n",
 221                  board->model, board->name);
 222         };
 223         fprintf(stream,
 224 "  -d              don't throw error on invalid images\n"
 225 "  -k              keep invalid images\n"
 226 "  -b <file>[:<align>[:<padc>]]\n"
 227 "                  add boot code to the image\n"
 228 "  -c <file>[:<align>[:<padc>]]\n"
 229 "                  add configuration settings to the image\n"
 230 "  -r <file>:[<addr>][:<align>[:<padc>]]\n"
 231 "                  add runtime code to the image\n"
 232 "  -w [<file>:[<addr>][:<align>[:<padc>]]]\n"
 233 "                  add webpages to the image\n"
 234 "  -x <file>[:<align>[:<padc>]]\n"
 235 "                  add extra data at the end of the image\n"
 236 "  -h              show this screen\n"
 237 "Parameters:\n"
 238 "  <file>          write output to the file <file>\n"
 239         );
 240
 241         exit(status);
 242 }
 243
 244 static inline uint32_t align(uint32_t base, uint32_t alignment)
 245 {
 246         uint32_t ret;
 247
 248         if (alignment) {
 249                 ret = (base + alignment - 1);
 250                 ret &= ~(alignment-1);
 251         } else {
 252                 ret = base;
 253         }
 254
 255         return ret;
 256 }
 257
 258 /*
 259  * argument parsing
 260  */
 261 int
 262 str2u32(char *arg, uint32_t *val)
 263 {
 264         char *err = NULL;
 265         uint32_t t;
 266
 267         errno=0;
 268         t = strtoul(arg, &err, 0);
 269         if (errno || (err==arg) || ((err != NULL) && *err)) {
 270                 return -1;
 271         }
 272
 273         *val = t;
 274         return 0;
 275 }
 276
 277
 278 int
 279 str2u16(char *arg, uint16_t *val)
 280 {
 281         char *err = NULL;
 282         uint32_t t;
 283
 284         errno=0;
 285         t = strtoul(arg, &err, 0);
 286         if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
 287                 return -1;
 288         }
 289
 290         *val = t & 0xFFFF;
 291         return 0;
 292 }
 293
 294 int
 295 str2u8(char *arg, uint8_t *val)
 296 {
 297         char *err = NULL;
 298         uint32_t t;
 299
 300         errno=0;
 301         t = strtoul(arg, &err, 0);
 302         if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
 303                 return -1;
 304         }
 305
 306         *val = t & 0xFF;
 307         return 0;
 308 }
 309
 310 int
 311 str2sig(char *arg, uint32_t *sig)
 312 {
 313         if (strlen(arg) != 4)
 314                 return -1;
 315
 316         *sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24);
 317
 318         return 0;
 319 }
 320
 321
 322 int
 323 parse_arg(char *arg, char *buf, char *argv[])
 324 {
 325         int res = 0;
 326         size_t argl;
 327         char *tok;
 328         char **ap = &buf;
 329         int i;
 330
 331         memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
 332
 333         if ((arg == NULL)) {
 334                 /* no arguments */
 335                 return 0;
 336         }
 337
 338         argl = strlen(arg);
 339         if (argl == 0) {
 340                 /* no arguments */
 341                 return 0;
 342         }
 343
 344         if (argl >= MAX_ARG_LEN) {
 345                 /* argument is too long */
 346                 argl = MAX_ARG_LEN-1;
 347         }
 348
 349         memcpy(buf, arg, argl);
 350         buf[argl] = '\0';
 351
 352         for (i = 0; i < MAX_ARG_COUNT; i++) {
 353                 tok = strsep(ap, ":");
 354                 if (tok == NULL) {
 355                         break;
 356                 }
 357 #if 0
 358                 else if (tok[0] == '\0') {
 359                         break;
 360                 }
 361 #endif
 362                 argv[i] = tok;
 363                 res++;
 364         }
 365
 366         return res;
 367 }
 368
 369
 370 int
 371 required_arg(char c, char *arg)
 372 {
 373         if (arg == NULL || *arg != '-')
 374                 return 0;
 375
 376         ERR("option -%c requires an argument\n", c);
 377         return ERR_FATAL;
 378 }
 379
 380
 381 int
 382 is_empty_arg(char *arg)
 383 {
 384         int ret = 1;
 385         if (arg != NULL) {
 386                 if (*arg) ret = 0;
 387         };
 388         return ret;
 389 }
 390
 391
 392 void
 393 csum8_update(uint8_t *p, uint32_t len, struct csum_state *css)
 394 {
 395         for ( ; len > 0; len --) {
 396                 css->val += *p++;
 397         }
 398 }
 399
 400
 401 uint16_t
 402 csum8_get(struct csum_state *css)
 403 {
 404         uint8_t t;
 405
 406         t = css->val;
 407         return ~t + 1;
 408 }
 409
 410
 411 void
 412 csum16_update(void *data, uint32_t len, struct csum_state *css)
 413 {
 414         uint8_t *p = data;
 415         uint16_t t;
 416
 417         if (css->odd) {
 418                 t = css->tmp + (p[0]<<8);
 419                 css->val += LE16_TO_HOST(t);
 420                 css->odd = 0;
 421                 len--;
 422                 p++;
 423         }
 424
 425         for ( ; len > 1; len -= 2, p +=2 ) {
 426                 t = p[0] + (p[1] << 8);
 427                 css->val += LE16_TO_HOST(t);
 428         }
 429
 430         if (len == 1) {
 431                 css->tmp = p[0];
 432                 css->odd = 1;
 433         }
 434 }
 435
 436
 437 uint16_t
 438 csum16_get(struct csum_state *css)
 439 {
 440         char pad = 0;
 441
 442         csum16_update(&pad, 1, css);
 443         return ~css->val + 1;
 444 }
 445
 446
 447 void
 448 csum_init(struct csum_state *css, int size)
 449 {
 450         css->val = 0;
 451         css->tmp = 0;
 452         css->odd = 0;
 453         css->size = size;
 454 }
 455
 456
 457 void
 458 csum_update(void *data, uint32_t len, struct csum_state *css)
 459 {
 460         uint8_t *p = data;
 461
 462         switch (css->size) {
 463         case CSUM_SIZE_8:
 464                 csum8_update(p,len,css);
 465                 break;
 466         case CSUM_SIZE_16:
 467                 csum16_update(p,len,css);
 468                 break;
 469         }
 470 }
 471
 472
 473 uint16_t
 474 csum_get(struct csum_state *css)
 475 {
 476         uint16_t ret;
 477
 478         switch (css->size) {
 479         case CSUM_SIZE_8:
 480                 ret = csum8_get(css);
 481                 break;
 482         case CSUM_SIZE_16:
 483                 ret = csum16_get(css);
 484                 break;
 485         default:
 486                 ERR("invalid checksum size\n");
 487                 return 0;
 488         }
 489
 490         return ret;
 491 }
 492
 493
 494 /*
 495  * routines to write data to the output file
 496  */
 497 int
 498 write_out_data(FILE *outfile, void *data, size_t len,
 499                 struct csum_state *css)
 500 {
 501         uint8_t *ptr = data;
 502
 503         errno = 0;
 504
 505         fwrite(ptr, len, 1, outfile);
 506         if (errno) {
 507                 ERRS("unable to write output file");
 508                 return ERR_FATAL;
 509         }
 510
 511         if (css) {
 512                 csum_update(ptr, len, css);
 513         }
 514
 515         return 0;
 516 }
 517
 518
 519 int
 520 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
 521                  struct csum_state *css)
 522 {
 523         uint8_t buf[512];
 524         size_t buflen = sizeof(buf);
 525         int err;
 526
 527         memset(buf, padc, buflen);
 528         while (len > 0) {
 529                 if (len < buflen)
 530                         buflen = len;
 531
 532                 err = write_out_data(outfile, buf, buflen, css);
 533                 if (err)
 534                         return err;
 535
 536                 len -= buflen;
 537         }
 538
 539         return 0;
 540 }
 541
 542
 543 int
 544 block_stat_file(struct csys_block *block)
 545 {
 546         struct stat st;
 547         int err;
 548
 549         if (block->file_name == NULL)
 550                 return 0;
 551
 552         err = stat(block->file_name, &st);
 553         if (err){
 554                 ERRS("stat failed on %s", block->file_name);
 555                 return ERR_FATAL;
 556         }
 557
 558         block->file_size = st.st_size;
 559         return 0;
 560 }
 561
 562
 563 int
 564 block_writeout_hdr(FILE *outfile, struct csys_block *block)
 565 {
 566         struct csys_header hdr;
 567         int res;
 568
 569         if (block->size_hdr == 0)
 570                 return 0;
 571
 572         /* setup header fields */
 573         memcpy(hdr.sig, block->sig, 4);
 574         hdr.addr = HOST_TO_LE32(block->addr);
 575         hdr.size = HOST_TO_LE32(block->size - block->size_hdr - block->size_csum);
 576
 577         DBG(1,"writing header for block");
 578         res = write_out_data(outfile, (uint8_t *)&hdr, sizeof(hdr),NULL);
 579         return res;
 580
 581 }
 582
 583
 584 int
 585 block_writeout_file(FILE *outfile, struct csys_block *block)
 586 {
 587         char buf[FILE_BUF_LEN];
 588         size_t buflen = sizeof(buf);
 589         FILE *f;
 590         size_t len;
 591         int res;
 592
 593         if (block->file_name == NULL)
 594                 return 0;
 595
 596         if (block->file_size == 0)
 597                 return 0;
 598
 599         errno = 0;
 600         f = fopen(block->file_name,"r");
 601         if (errno) {
 602                 ERRS("unable to open file: %s", block->file_name);
 603                 return ERR_FATAL;
 604         }
 605
 606         len = block->file_size;
 607         while (len > 0) {
 608                 if (len < buflen)
 609                         buflen = len;
 610
 611                 /* read data from source file */
 612                 errno = 0;
 613                 fread(buf, buflen, 1, f);
 614                 if (errno != 0) {
 615                         ERRS("unable to read from file: %s", block->file_name);
 616                         res = ERR_FATAL;
 617                         break;
 618                 }
 619
 620                 res = write_out_data(outfile, buf, buflen, block->css);
 621                 if (res)
 622                         break;
 623
 624                 len -= buflen;
 625         }
 626
 627         fclose(f);
 628         return res;
 629 }
 630
 631
 632 int
 633 block_writeout_data(FILE *outfile, struct csys_block *block)
 634 {
 635         int res;
 636         size_t padlen;
 637
 638         res = block_writeout_file(outfile, block);
 639         if (res)
 640                 return res;
 641
 642         /* write padding data if neccesary */
 643         padlen = block->size_avail - block->file_size;
 644         DBG(1,"padding block, length=%zu", padlen);
 645         res = write_out_padding(outfile, padlen, block->padc, block->css);
 646
 647         return res;
 648 }
 649
 650
 651 int
 652 block_writeout_csum(FILE *outfile, struct csys_block *block)
 653 {
 654         uint16_t csum;
 655         int res;
 656
 657         if (block->size_csum == 0)
 658                 return 0;
 659
 660         DBG(1,"writing checksum for block");
 661         csum = HOST_TO_LE16(csum_get(block->css));
 662         res = write_out_data(outfile, (uint8_t *)&csum, block->size_csum, NULL);
 663
 664         return res;
 665 }
 666
 667
 668 int
 669 block_writeout(FILE *outfile, struct csys_block *block)
 670 {
 671         int res;
 672         struct csum_state css;
 673
 674         res = 0;
 675
 676         if (block == NULL)
 677                 return res;
 678
 679         block->css = NULL;
 680
 681         DBG(2, "writing block, file=%s, file_size=%d, space=%d",
 682                 block->file_name, block->file_size, block->size_avail);
 683         res = block_writeout_hdr(outfile, block);
 684         if (res)
 685                 return res;
 686
 687         if (block->size_csum != 0) {
 688                 block->css = &css;
 689                 csum_init(&css, block->size_csum);
 690         }
 691
 692         res = block_writeout_data(outfile, block);
 693         if (res)
 694                 return res;
 695
 696         res = block_writeout_csum(outfile, block);
 697         if (res)
 698                 return res;
 699
 700         return res;
 701 }
 702
 703
 704 int
 705 write_out_blocks(FILE *outfile)
 706 {
 707         struct csys_block *block;
 708         int i, res;
 709
 710         res = block_writeout(outfile, boot_block);
 711         if (res)
 712                 return res;
 713
 714         res = block_writeout(outfile, conf_block);
 715         if (res)
 716                 return res;
 717
 718         res = block_writeout(outfile, webp_block);
 719         if (res)
 720                 return res;
 721
 722         res = block_writeout(outfile, code_block);
 723         if (res)
 724                 return res;
 725
 726         res = 0;
 727         for (i=0; i < num_blocks; i++) {
 728                 block = &blocks[i];
 729
 730                 if (block->type != BLOCK_TYPE_XTRA)
 731                         continue;
 732
 733                 res = block_writeout(outfile, block);
 734                 if (res)
 735                         break;
 736         }
 737
 738         return res;
 739 }
 740
 741
 742 struct board_info *
 743 find_board(char *model)
 744 {
 745         struct board_info *ret;
 746         struct board_info *board;
 747
 748         ret = NULL;
 749         for (board = boards; board->model != NULL; board++){
 750                 if (strcasecmp(model, board->model) == 0) {
 751                         ret = board;
 752                         break;
 753                 }
 754         };
 755
 756         return ret;
 757 }
 758
 759
 760 int
 761 parse_opt_board(char ch, char *arg)
 762 {
 763
 764         DBG(1,"parsing board option: -%c %s", ch, arg);
 765
 766         if (board != NULL) {
 767                 ERR("only one board option allowed");
 768                 return ERR_FATAL;
 769         }
 770
 771         if (required_arg(ch, arg))
 772                 return ERR_FATAL;
 773
 774         board = find_board(arg);
 775         if (board == NULL){
 776                 ERR("invalid/unknown board specified: %s", arg);
 777                 return ERR_FATAL;
 778         }
 779
 780         return 0;
 781 }
 782
 783
 784 int
 785 parse_opt_block(char ch, char *arg)
 786 {
 787         char buf[MAX_ARG_LEN];
 788         char *argv[MAX_ARG_COUNT];
 789         char *p;
 790         struct csys_block *block;
 791         int i;
 792
 793         if ( num_blocks > MAX_NUM_BLOCKS ) {
 794                 ERR("too many blocks specified");
 795                 return ERR_FATAL;
 796         }
 797
 798         block = &blocks[num_blocks];
 799
 800         /* setup default field values */
 801         block->need_file = 1;
 802         block->padc = 0xFF;
 803
 804         switch (ch) {
 805         case 'b':
 806                 if (boot_block) {
 807                         WARN("only one boot block allowed");
 808                         break;
 809                 }
 810                 block->type = BLOCK_TYPE_BOOT;
 811                 boot_block = block;
 812                 break;
 813         case 'c':
 814                 if (conf_block) {
 815                         WARN("only one config block allowed");
 816                         break;
 817                 }
 818                 block->type = BLOCK_TYPE_CONF;
 819                 conf_block = block;
 820                 break;
 821         case 'w':
 822                 if (webp_block) {
 823                         WARN("only one web block allowed");
 824                         break;
 825                 }
 826                 block->type = BLOCK_TYPE_WEBP;
 827                 block->size_hdr = sizeof(struct csys_header);
 828                 block->size_csum = CSUM_SIZE_8;
 829                 block->need_file = 0;
 830                 webp_block = block;
 831                 break;
 832         case 'r':
 833                 if (code_block) {
 834                         WARN("only one runtime block allowed");
 835                         break;
 836                 }
 837                 block->type = BLOCK_TYPE_CODE;
 838                 block->size_hdr = sizeof(struct csys_header);
 839                 block->size_csum = CSUM_SIZE_16;
 840                 code_block = block;
 841                 break;
 842         case 'x':
 843                 block->type = BLOCK_TYPE_XTRA;
 844                 break;
 845         default:
 846                 ERR("unknown block type \"%c\"", ch);
 847                 return ERR_FATAL;
 848         }
 849
 850         parse_arg(arg, buf, argv);
 851
 852         i = 0;
 853         p = argv[i++];
 854         if (!is_empty_arg(p)) {
 855                 block->file_name = strdup(p);
 856                 if (block->file_name == NULL) {
 857                         ERR("not enough memory");
 858                         return ERR_FATAL;
 859                 }
 860         } else if (block->need_file){
 861                 ERR("no file specified in %s", arg);
 862                 return ERR_FATAL;
 863         }
 864
 865         if (block->size_hdr) {
 866                 p = argv[i++];
 867                 if (!is_empty_arg(p)) {
 868                         if (str2u32(p, &block->addr) != 0) {
 869                                 ERR("invalid start address in %s", arg);
 870                                 return ERR_FATAL;
 871                         }
 872                         block->addr_set = 1;
 873                 }
 874         }
 875
 876         p = argv[i++];
 877         if (!is_empty_arg(p)) {
 878                 if (str2u32(p, &block->align) != 0) {
 879                         ERR("invalid alignment value in %s", arg);
 880                         return ERR_FATAL;
 881                 }
 882                 block->align_set = 1;
 883         }
 884
 885         p = argv[i++];
 886         if (!is_empty_arg(p) && (str2u8(p, &block->padc) != 0)) {
 887                 ERR("invalid paddig character in %s", arg);
 888                 return ERR_FATAL;
 889         }
 890
 891         num_blocks++;
 892
 893         return 0;
 894 }
 895
 896
 897 int
 898 process_blocks(void)
 899 {
 900         struct csys_block *block;
 901         uint32_t offs = 0;
 902         int i;
 903         int res;
 904
 905         res = 0;
 906         /* collecting stats */
 907         for (i = 0; i < num_blocks; i++) {
 908                 block = &blocks[i];
 909                 res = block_stat_file(block);
 910                 if (res)
 911                         return res;
 912         }
 913
 914         /* bootloader */
 915         block = boot_block;
 916         if (block) {
 917                 block->size = board->boot_size;
 918                 if (block->file_size > board->boot_size) {
 919                         WARN("boot block is too big");
 920                         res = ERR_INVALID_IMAGE;
 921                 }
 922         }
 923         offs += board->boot_size;
 924
 925         /* configuration data */
 926         block = conf_block;
 927         if (block) {
 928                 block->size = board->conf_size;
 929                 if (block->file_size > board->conf_size) {
 930                         WARN("config block is too big");
 931                         res = ERR_INVALID_IMAGE;
 932                 }
 933         }
 934         offs += board->conf_size;
 935
 936         /* webpages */
 937         block = webp_block;
 938         if (block) {
 939
 940                 memcpy(block->sig, board->sig_webp, 4);
 941
 942                 if (block->addr_set == 0)
 943                         block->addr = board->addr_webp;
 944
 945                 if (block->align_set == 0)
 946                         block->align = DEFAULT_BLOCK_ALIGN;
 947
 948                 block->size = align(offs + block->file_size + block->size_hdr +
 949                                 block->size_csum, block->align) - offs;
 950
 951                 if (block->size > board->webp_size_max) {
 952                         WARN("webpages block is too big");
 953                         res = ERR_INVALID_IMAGE;
 954                 }
 955
 956                 DBG(2,"webpages start at %08x, size=%08x", offs,
 957                                 block->size);
 958
 959                 offs += block->size;
 960                 if (offs > board->flash_size) {
 961                         WARN("webp block is too big");
 962                         res = ERR_INVALID_IMAGE;
 963                 }
 964         }
 965
 966         /* runtime code */
 967         block = code_block;
 968         if (block) {
 969                 memcpy(code_block->sig, SIG_CSYS, 4);
 970
 971                 if (block->addr_set == 0)
 972                         block->addr = board->addr_code;
 973
 974                 if (block->align_set == 0)
 975                         block->align = DEFAULT_BLOCK_ALIGN;
 976
 977                 block->size = align(offs + block->file_size +
 978                                 block->size_hdr + block->size_csum,
 979                                 block->align) - offs;
 980
 981                 DBG(2,"code block start at %08x, size=%08x", offs,
 982                                 block->size);
 983
 984                 offs += block->size;
 985                 if (offs > board->flash_size) {
 986                         WARN("code block is too big");
 987                         res = ERR_INVALID_IMAGE;
 988                 }
 989         }
 990
 991         for (i = 0; i < num_blocks; i++) {
 992                 block = &blocks[i];
 993
 994                 if (block->type != BLOCK_TYPE_XTRA)
 995                         continue;
 996
 997                 if (block->align_set == 0)
 998                         block->align = DEFAULT_BLOCK_ALIGN;
 999
1000                 block->size = align(offs + block->file_size,
1001                                 block->align) - offs;
1002
1003                 DBG(2,"file %s start at %08x, size=%08x, align=%08x",
1004                         block->file_name, offs, block->size, block->align);
1005
1006                 offs += block->size;
1007                 if (offs > board->flash_size) {
1008                         WARN("file %s is too big, size=%d, avail=%d",
1009                                 block->file_name, block->file_size,
1010                                 board->flash_size - offs);
1011                         res = ERR_INVALID_IMAGE;
1012                 }
1013         }
1014
1015         for (i = 0; i < num_blocks; i++) {
1016                 block = &blocks[i];
1017
1018                 block->size_avail = block->size - block->size_hdr -
1019                         block->size_csum;
1020
1021                 if (block->size_avail < block->file_size) {
1022                         WARN("file %s is too big, size=%d, avail=%d",
1023                                 block->file_name, block->file_size,
1024                                 block->size_avail);
1025                         res = ERR_INVALID_IMAGE;
1026                 }
1027         }
1028
1029         return res;
1030 }
1031
1032
1033 int
1034 main(int argc, char *argv[])
1035 {
1036         int optinvalid = 0;   /* flag for invalid option */
1037         int c;
1038         int res = ERR_FATAL;
1039
1040         FILE *outfile;
1041
1042         progname=basename(argv[0]);
1043
1044         opterr = 0;  /* could not print standard getopt error messages */
1045         while ( 1 ) {
1046                 optinvalid = 0;
1047
1048                 c = getopt(argc, argv, "b:B:c:dhkr:vw:x:");
1049                 if (c == -1)
1050                         break;
1051
1052                 switch (c) {
1053                 case 'b':
1054                 case 'c':
1055                 case 'r':
1056                 case 'x':
1057                         optinvalid = parse_opt_block(c,optarg);
1058                         break;
1059                 case 'w':
1060                         if (optarg != NULL && *optarg == '-') {
1061                                 /* rollback */
1062                                 optind--;
1063                                 optarg = NULL;
1064                         }
1065                         optinvalid = parse_opt_block(c,optarg);
1066                         break;
1067                 case 'd':
1068                         invalid_causes_error = 0;
1069                         break;
1070                 case 'k':
1071                         keep_invalid_images = 1;
1072                         break;
1073                 case 'B':
1074                         optinvalid = parse_opt_board(c,optarg);
1075                         break;
1076                 case 'v':
1077                         verblevel++;
1078                         break;
1079                 case 'h':
1080                         usage(EXIT_SUCCESS);
1081                         break;
1082                 default:
1083                         optinvalid = 1;
1084                         break;
1085                 }
1086                 if (optinvalid != 0 ){
1087                         ERR("invalid option: -%c", optopt);
1088                         goto out;
1089                 }
1090         }
1091
1092         if (board == NULL) {
1093                 ERR("no board specified");
1094                 goto out;
1095         }
1096
1097         if (optind == argc) {
1098                 ERR("no output file specified");
1099                 goto out;
1100         }
1101
1102         ofname = argv[optind++];
1103
1104         if (optind < argc) {
1105                 ERR("invalid option: %s", argv[optind]);
1106                 goto out;
1107         }
1108
1109         res = process_blocks();
1110         if (res == ERR_FATAL)
1111                 goto out;
1112
1113         if (res == ERR_INVALID_IMAGE) {
1114                 if (invalid_causes_error)
1115                         res = ERR_FATAL;
1116
1117                 if (keep_invalid_images == 0) {
1118                         WARN("generation of invalid images \"%s\" disabled", ofname);
1119                         goto out;
1120                 }
1121
1122                 WARN("generating invalid image: \"%s\"", ofname);
1123         }
1124
1125         outfile = fopen(ofname, "w");
1126         if (outfile == NULL) {
1127                 ERRS("could not open \"%s\" for writing", ofname);
1128                 res = ERR_FATAL;
1129                 goto out;
1130         }
1131
1132         if (write_out_blocks(outfile) != 0) {
1133                 res = ERR_FATAL;
1134                 goto out_flush;
1135         }
1136
1137         DBG(1,"Image file %s completed.", ofname);
1138
1139 out_flush:
1140         fflush(outfile);
1141         fclose(outfile);
1142         if (res == ERR_FATAL) {
1143                 unlink(ofname);
1144         }
1145 out:
1146         if (res == ERR_FATAL)
1147                 return EXIT_FAILURE;
1148
1149         return EXIT_SUCCESS;
1150 }