tools/firmware-utils/src/mkcsysimg.c

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