tools/firmware-utils/src/mkcsysimg.c

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