tools/firmware-utils/src/mkzynfw.c

   1 /*
   2  *  $Id$
   3  *
   4  *  Copyright (C) 2007 OpenWrt.org
   5  *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
   6  *
   7  *  This code was based on the information of the ZyXEL's firmware
   8  *  image format written by Kolja Waschk, can be found at:
   9  *  http://www.ixo.de/info/zyxel_uclinux
  10  *
  11  *  This program is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License version 2 as published
  13  *  by the Free Software Foundation.
  14  *
  15  */
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <stdint.h>
  20 #include <string.h>
  21 #include <unistd.h>     /* for unlink() */
  22 #include <libgen.h>
  23 #include <getopt.h>     /* for getopt() */
  24 #include <stdarg.h>
  25 #include <errno.h>
  26 #include <sys/stat.h>
  27 #include <endian.h>     /* for __BYTE_ORDER */
  28 #if defined(__CYGWIN__)
  29 #  include <byteswap.h>
  30 #endif
  31
  32 #include "zynos.h"
  33
  34 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
  35 #  define HOST_TO_LE16(x)       (x)
  36 #  define HOST_TO_LE32(x)       (x)
  37 #  define LE16_TO_HOST(x)       (x)
  38 #  define LE32_TO_HOST(x)       (x)
  39 #  define HOST_TO_BE16(x)       bswap_16(x)
  40 #  define HOST_TO_BE32(x)       bswap_32(x)
  41 #  define BE16_TO_HOST(x)       bswap_16(x)
  42 #  define BE32_TO_HOST(x)       bswap_32(x)
  43 #else
  44 #  define HOST_TO_BE16(x)       (x)
  45 #  define HOST_TO_BE32(x)       (x)
  46 #  define BE16_TO_HOST(x)       (x)
  47 #  define BE32_TO_HOST(x)       (x)
  48 #  define HOST_TO_LE16(x)       bswap_16(x)
  49 #  define HOST_TO_LE32(x)       bswap_32(x)
  50 #  define LE16_TO_HOST(x)       bswap_16(x)
  51 #  define LE32_TO_HOST(x)       bswap_32(x)
  52 #endif
  53
  54 #define ALIGN(x,y)      (((x)+((y)-1)) & ~((y)-1))
  55
  56 #define MAX_NUM_BLOCKS  8
  57 #define MAX_ARG_COUNT   32
  58 #define MAX_ARG_LEN     1024
  59 #define FILE_BUF_LEN    (16*1024)
  60
  61
  62 struct csum_state{
  63         int             odd;
  64         uint32_t        sum;
  65         uint32_t        tmp;
  66 };
  67
  68 struct fw_block {
  69         uint32_t        align;          /* alignment of this block */
  70         char            *file_name;     /* name of the file */
  71         uint32_t        file_size;      /* length of the file */
  72         char            *mmap_name;     /* name in the MMAP table */
  73         int             type;           /* block type */
  74         uint32_t        padlen;
  75         uint8_t         padc;
  76 };
  77
  78 #define BLOCK_TYPE_BOOTEXT      0
  79 #define BLOCK_TYPE_RAW          1
  80
  81 struct fw_mmap {
  82         uint32_t        addr;
  83         uint32_t        size;
  84         uint32_t        user_addr;
  85         uint32_t        user_size;
  86 };
  87 #define MMAP_DATA_SIZE  1024
  88 #define MMAP_ALIGN      16
  89
  90 struct board_info {
  91         char *name;             /* model name */
  92         char *desc;             /* description */
  93         uint16_t vendor;        /* vendor id */
  94         uint16_t model;         /* model id */
  95         uint32_t flash_base;    /* flash base address */
  96         uint32_t flash_size;    /* board flash size */
  97         uint32_t code_start;    /* code start address */
  98         uint32_t fw_offs;       /* offset of the firmware within the flash */
  99 };
 100
 101 /*
 102  * Globals
 103  */
 104 char *progname;
 105 char *ofname = NULL;
 106 int verblevel = 0;
 107
 108 struct board_info *board = NULL;
 109
 110 struct fw_block blocks[MAX_NUM_BLOCKS];
 111 struct fw_block *bootext_block = NULL;
 112 int num_blocks = 0;
 113
 114 #define ADM5120_FLASH_BASE      0xBFC00000
 115 #define ADM5120_CODE_START      0x80008000
 116
 117 /* TODO: check values for AR7 */
 118 #define AR7_FLASH_BASE          0xB0000000
 119 #define AR7_CODE_START          0x94008000
 120
 121 #define BOARD(n, d, v, m, fb, fs, cs, fo) { \
 122         .name = (n), .desc=(d), \
 123         .vendor = (v), .model = (m), \
 124         .flash_base = (fb), .flash_size = (fs)<<20, \
 125         .code_start = (cs), .fw_offs = (fo) \
 126         }
 127
 128 #define ADMBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 129         ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x8000)
 130
 131 #define ADMBOARD2(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 132         ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x10000)
 133
 134 #define AR7BOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 135         AR7_FLASH_BASE, fs, AR7_CODE_START, 0x8000)
 136
 137 static struct board_info boards[] = {
 138         /*
 139          * Infineon/ADMtek ADM5120 based boards
 140          */
 141         ADMBOARD2("ES-2024A",   "ZyXEL ES-2024A", ZYNOS_MODEL_ES_2024A, 4),
 142         ADMBOARD2("ES-2024PWR", "ZyXEL ES-2024PWR", ZYNOS_MODEL_ES_2024PWR, 4),
 143         ADMBOARD2("ES-2108",    "ZyXEL ES-2108", ZYNOS_MODEL_ES_2108, 4),
 144         ADMBOARD2("ES-2108-F",  "ZyXEL ES-2108-F", ZYNOS_MODEL_ES_2108_F, 4),
 145         ADMBOARD2("ES-2108-G",  "ZyXEL ES-2108-G", ZYNOS_MODEL_ES_2108_G, 4),
 146         ADMBOARD2("ES-2108-LC", "ZyXEL ES-2108-LC", ZYNOS_MODEL_ES_2108_LC, 4),
 147         ADMBOARD2("ES-2108PWR", "ZyXEL ES-2108PWR", ZYNOS_MODEL_ES_2108PWR, 4),
 148         ADMBOARD1("HS-100",     "ZyXEL HomeSafe 100", ZYNOS_MODEL_HS_100, 2),
 149         ADMBOARD1("HS-100W",    "ZyXEL HomeSafe 100W", ZYNOS_MODEL_HS_100W, 2),
 150         ADMBOARD1("P-334",      "ZyXEL Prestige 334", ZYNOS_MODEL_P_334, 2),
 151         ADMBOARD1("P-334U",     "ZyXEL Prestige 334U", ZYNOS_MODEL_P_334U, 4),
 152         ADMBOARD1("P-334W",     "ZyXEL Prestige 334W", ZYNOS_MODEL_P_334W, 2),
 153         ADMBOARD1("P-334WH",    "ZyXEL Prestige 334WH", ZYNOS_MODEL_P_334WH, 4),
 154         ADMBOARD1("P-334WHD",   "ZyXEL Prestige 334WHD", ZYNOS_MODEL_P_334WHD, 4),
 155         ADMBOARD1("P-334WT",    "ZyXEL Prestige 334WT", ZYNOS_MODEL_P_334WT, 4),
 156         ADMBOARD1("P-335",      "ZyXEL Prestige 335", ZYNOS_MODEL_P_335, 4),
 157         ADMBOARD1("P-335Plus",  "ZyXEL Prestige 335Plus", ZYNOS_MODEL_P_335PLUS, 4),
 158         ADMBOARD1("P-335U",     "ZyXEL Prestige 335U", ZYNOS_MODEL_P_335U, 4),
 159         ADMBOARD1("P-335WT",    "ZyXEL Prestige 335WT", ZYNOS_MODEL_P_335WT, 4),
 160
 161 #if 0
 162         /*
 163          * Texas Instruments AR7 based boards
 164          */
 165         AR7BOARD1("P-660H-61",  "ZyXEL P-660H-61", ZYNOS_MODEL_P_660H_61, 2),
 166         AR7BOARD1("P-660H-63",  "ZyXEL P-660H-63", ZYNOS_MODEL_P_660H_63, 2),
 167         AR7BOARD1("P-660H-D1",  "ZyXEL P-660H-D1", ZYNOS_MODEL_P_660H_D1, 2),
 168         AR7BOARD1("P-660H-D3",  "ZyXEL P-660H-D3", ZYNOS_MODEL_P_660H_D3, 2),
 169         AR7BOARD1("P-660HW-61", "ZyXEL P-660HW-61", ZYNOS_MODEL_P_660HW_61, 2),
 170         AR7BOARD1("P-660HW-63", "ZyXEL P-660HW-63", ZYNOS_MODEL_P_660HW_63, 2),
 171         AR7BOARD1("P-660HW-67", "ZyXEL P-660HW-67", ZYNOS_MODEL_P_660HW_67, 2),
 172         AR7BOARD1("P-660HW-D1", "ZyXEL P-660HW-D1", ZYNOS_MODEL_P_660HW_D1, 2),
 173         AR7BOARD1("P-660HW-D3", "ZyXEL P-660HW-D3", ZYNOS_MODEL_P_660HW_D3, 2),
 174         AR7BOARD1("P-660R-61",  "ZyXEL P-660R-61", ZYNOS_MODEL_P_660R_61, 2),
 175         AR7BOARD1("P-660R-61C", "ZyXEL P-660R-61C", ZYNOS_MODEL_P_660R_61C, 2),
 176         AR7BOARD1("P-660R-63",  "ZyXEL P-660R-63", ZYNOS_MODEL_P_660R_63, 2),
 177         AR7BOARD1("P-660R-63C", "ZyXEL P-660R-63C", ZYNOS_MODEL_P_660R_63C, 2),
 178         AR7BOARD1("P-660R-67",  "ZyXEL P-660R-67", ZYNOS_MODEL_P_660R_67, 2),
 179         AR7BOARD1("P-660R-D1",  "ZyXEL P-660R-D1", ZYNOS_MODEL_P_660R_D1, 2),
 180         AR7BOARD1("P-660R-D3",  "ZyXEL P-660R-D3", ZYNOS_MODEL_P_660R_D3, 2),
 181 #endif
 182         {
 183                 .name           = "O2SURF",
 184                 .desc           = "O2 DSL Surf & Phone",
 185                 .vendor         = ZYNOS_VENDOR_ID_O2,
 186                 .model          = ZYNOS_MODEL_O2SURF,
 187                 .flash_base     = AR7_FLASH_BASE,
 188                 .flash_size     = 8*1024*1024,
 189                 .code_start     = 0x94014000,
 190                 .fw_offs        = 0x40000,
 191         },
 192
 193         {.name = NULL}
 194 };
 195
 196 /*
 197  * Message macros
 198  */
 199 #define ERR(fmt, ...) do { \
 200         fflush(0); \
 201         fprintf(stderr, "[%s] *** error: " fmt "\n", \
 202                         progname, ## __VA_ARGS__ ); \
 203 } while (0)
 204
 205 #define ERRS(fmt, ...) do { \
 206         int save = errno; \
 207         fflush(0); \
 208         fprintf(stderr, "[%s] *** error: " fmt ", %s\n", \
 209                         progname, ## __VA_ARGS__, strerror(save)); \
 210 } while (0)
 211
 212 #define WARN(fmt, ...) do { \
 213         fprintf(stderr, "[%s] *** warning: " fmt "\n", \
 214                         progname, ## __VA_ARGS__ ); \
 215 } while (0)
 216
 217 #define DBG(lev, fmt, ...) do { \
 218         if (verblevel < lev) \
 219                 break;\
 220         fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
 221 } while (0)
 222
 223 #define ERR_FATAL               -1
 224 #define ERR_INVALID_IMAGE       -2
 225
 226 /*
 227  * Helper routines
 228  */
 229 void
 230 usage(int status)
 231 {
 232         FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
 233         struct board_info *board;
 234
 235         fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
 236         fprintf(stream,
 237 "\n"
 238 "Options:\n"
 239 "  -B <board>      create image for the board specified with <board>.\n"
 240 "                  valid <board> values:\n"
 241         );
 242         for (board = boards; board->name != NULL; board++){
 243                 fprintf(stream,
 244 "                    %-12s= %s\n",
 245                  board->name, board->desc);
 246         };
 247         fprintf(stream,
 248 "  -b <file>[:<align>]\n"
 249 "                  add boot extension block to the image\n"
 250 "  -r <file>[:<align>]\n"
 251 "                  add raw block to the image\n"
 252 "  -o <file>       write output to the file <file>\n"
 253 "  -h              show this screen\n"
 254         );
 255
 256         exit(status);
 257 }
 258
 259
 260 /*
 261  * argument parsing
 262  */
 263 int
 264 str2u32(char *arg, uint32_t *val)
 265 {
 266         char *err = NULL;
 267         uint32_t t;
 268
 269         errno=0;
 270         t = strtoul(arg, &err, 0);
 271         if (errno || (err==arg) || ((err != NULL) && *err)) {
 272                 return -1;
 273         }
 274
 275         *val = t;
 276         return 0;
 277 }
 278
 279
 280 int
 281 str2u16(char *arg, uint16_t *val)
 282 {
 283         char *err = NULL;
 284         uint32_t t;
 285
 286         errno=0;
 287         t = strtoul(arg, &err, 0);
 288         if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
 289                 return -1;
 290         }
 291
 292         *val = t & 0xFFFF;
 293         return 0;
 294 }
 295
 296 int
 297 str2u8(char *arg, uint8_t *val)
 298 {
 299         char *err = NULL;
 300         uint32_t t;
 301
 302         errno=0;
 303         t = strtoul(arg, &err, 0);
 304         if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
 305                 return -1;
 306         }
 307
 308         *val = t & 0xFF;
 309         return 0;
 310 }
 311
 312 int
 313 str2sig(char *arg, uint32_t *sig)
 314 {
 315         if (strlen(arg) != 4)
 316                 return -1;
 317
 318         *sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24);
 319
 320         return 0;
 321 }
 322
 323
 324 int
 325 parse_arg(char *arg, char *buf, char *argv[])
 326 {
 327         int res = 0;
 328         size_t argl;
 329         char *tok;
 330         char **ap = &buf;
 331         int i;
 332
 333         memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
 334
 335         if ((arg == NULL)) {
 336                 /* no arguments */
 337                 return 0;
 338         }
 339
 340         argl = strlen(arg);
 341         if (argl == 0) {
 342                 /* no arguments */
 343                 return 0;
 344         }
 345
 346         if (argl >= MAX_ARG_LEN) {
 347                 /* argument is too long */
 348                 argl = MAX_ARG_LEN-1;
 349         }
 350
 351         memcpy(buf, arg, argl);
 352         buf[argl] = '\0';
 353
 354         for (i = 0; i < MAX_ARG_COUNT; i++) {
 355                 tok = strsep(ap, ":");
 356                 if (tok == NULL) {
 357                         break;
 358                 }
 359 #if 0
 360                 else if (tok[0] == '\0') {
 361                         break;
 362                 }
 363 #endif
 364                 argv[i] = tok;
 365                 res++;
 366         }
 367
 368         return res;
 369 }
 370
 371
 372 int
 373 required_arg(char c, char *arg)
 374 {
 375         if (arg == NULL || *arg != '-')
 376                 return 0;
 377
 378         ERR("option -%c requires an argument\n", c);
 379         return -1;
 380 }
 381
 382
 383 int
 384 is_empty_arg(char *arg)
 385 {
 386         int ret = 1;
 387         if (arg != NULL) {
 388                 if (*arg) ret = 0;
 389         };
 390         return ret;
 391 }
 392
 393
 394 void
 395 csum_init(struct csum_state *css)
 396 {
 397         css->odd = 0;
 398         css->sum = 0;
 399         css->tmp = 0;
 400 }
 401
 402
 403 void
 404 csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
 405 {
 406         if (len == 0)
 407                 return;
 408
 409         if (css->odd) {
 410                 css->sum += (css->tmp << 8) + p[0];
 411                 if (css->sum > 0xFFFF) {
 412                         css->sum += 1;
 413                         css->sum &= 0xFFFF;
 414                 }
 415                 css->odd = 0;
 416                 len--;
 417                 p++;
 418         }
 419
 420         for ( ; len > 1; len -= 2, p +=2 ) {
 421                 css->sum  += (p[0] << 8) + p[1];
 422                 if (css->sum > 0xFFFF) {
 423                         css->sum += 1;
 424                         css->sum &= 0xFFFF;
 425                 }
 426         }
 427
 428         if (len == 1){
 429                 css->tmp = p[0];
 430                 css->odd = 1;
 431         }
 432 }
 433
 434
 435 uint16_t
 436 csum_get(struct csum_state *css)
 437 {
 438         char pad = 0;
 439
 440         csum_update(&pad, 1, css);
 441         return css->sum;
 442 }
 443
 444 uint16_t
 445 csum_buf(uint8_t *p, uint32_t len)
 446 {
 447         struct csum_state css;
 448
 449         csum_init(&css);
 450         csum_update(p, len, &css);
 451         return csum_get(&css);
 452
 453 }
 454
 455 /*
 456  * routines to write data to the output file
 457  */
 458 int
 459 write_out_data(FILE *outfile, uint8_t *data, size_t len,
 460                 struct csum_state *css)
 461 {
 462         errno = 0;
 463
 464         fwrite(data, len, 1, outfile);
 465         if (errno) {
 466                 ERR("unable to write output file");
 467                 return -1;
 468         }
 469
 470         if (css) {
 471                 csum_update(data, len, css);
 472         }
 473
 474         return 0;
 475 }
 476
 477
 478 int
 479 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
 480                  struct csum_state *css)
 481 {
 482         uint8_t buf[512];
 483         size_t buflen = sizeof(buf);
 484
 485         memset(buf, padc, buflen);
 486         while (len > 0) {
 487                 if (len < buflen)
 488                         buflen = len;
 489
 490                 if (write_out_data(outfile, buf, buflen, css))
 491                         return -1;
 492
 493                 len -= buflen;
 494         }
 495
 496         return 0;
 497 }
 498
 499
 500 int
 501 write_out_data_align(FILE *outfile, uint8_t *data, size_t len, size_t align,
 502                 struct csum_state *css)
 503 {
 504         size_t padlen;
 505         int res;
 506
 507         res = write_out_data(outfile, data, len, css);
 508         if (res)
 509                 return res;
 510
 511         padlen = ALIGN(len,align) - len;
 512         res = write_out_padding(outfile, padlen, 0xFF, css);
 513
 514         return res;
 515 }
 516
 517
 518 int
 519 write_out_header(FILE *outfile, struct zyn_rombin_hdr *hdr)
 520 {
 521         struct zyn_rombin_hdr t;
 522
 523         errno = 0;
 524         if (fseek(outfile, 0, SEEK_SET) != 0) {
 525                 ERRS("fseek failed on output file");
 526                 return -1;
 527         }
 528
 529         /* setup temporary header fields */
 530         memset(&t, 0, sizeof(t));
 531         t.addr = HOST_TO_BE32(hdr->addr);
 532         memcpy(&t.sig, ROMBIN_SIGNATURE, ROMBIN_SIG_LEN);
 533         t.type = hdr->type;
 534         t.flags = hdr->flags;
 535         t.osize = HOST_TO_BE32(hdr->osize);
 536         t.csize = HOST_TO_BE32(hdr->csize);
 537         t.ocsum = HOST_TO_BE16(hdr->ocsum);
 538         t.ccsum = HOST_TO_BE16(hdr->ccsum);
 539         t.mmap_addr = HOST_TO_BE32(hdr->mmap_addr);
 540
 541         return write_out_data(outfile, (uint8_t *)&t, sizeof(t), NULL);
 542 }
 543
 544
 545 int
 546 write_out_mmap(FILE *outfile, struct fw_mmap *mmap, struct csum_state *css)
 547 {
 548         struct zyn_mmt_hdr *mh;
 549         uint8_t buf[MMAP_DATA_SIZE];
 550         uint32_t user_size;
 551         char *data;
 552         int res;
 553
 554         memset(buf, 0, sizeof(buf));
 555
 556         mh = (struct zyn_mmt_hdr *)buf;
 557
 558         /* TODO: needs to recreate the memory map too? */
 559         mh->count=0;
 560
 561         /* Build user data section */
 562         data = buf+sizeof(*mh);
 563         data += sprintf(data, "Vendor 1 %d", board->vendor);
 564         *data++ = '\0';
 565         data += sprintf(data, "Model 1 %d", BE16_TO_HOST(board->model));
 566         *data++ = '\0';
 567         /* TODO: make hardware version configurable? */
 568         data += sprintf(data, "HwVerRange 2 %d %d", 0, 0);
 569         *data++ = '\0';
 570
 571         user_size = (uint8_t *)data - buf;
 572         mh->user_start= HOST_TO_BE32(mmap->addr+sizeof(*mh));
 573         mh->user_end= HOST_TO_BE32(mmap->addr+user_size);
 574         mh->csum = HOST_TO_BE16(csum_buf(buf+sizeof(*mh), user_size));
 575
 576         res = write_out_data(outfile, buf, sizeof(buf), css);
 577
 578         return res;
 579 }
 580
 581
 582 int
 583 block_stat_file(struct fw_block *block)
 584 {
 585         struct stat st;
 586         int res;
 587
 588         if (block->file_name == NULL)
 589                 return 0;
 590
 591         res = stat(block->file_name, &st);
 592         if (res){
 593                 ERRS("stat failed on %s", block->file_name);
 594                 return res;
 595         }
 596
 597         block->file_size = st.st_size;
 598         return 0;
 599 }
 600
 601
 602 int
 603 write_out_file(FILE *outfile, char *name, size_t len, struct csum_state *css)
 604 {
 605         char buf[FILE_BUF_LEN];
 606         size_t buflen = sizeof(buf);
 607         FILE *f;
 608         int res;
 609
 610         DBG(2, "writing out file, name=%s, len=%d",
 611                 name, len);
 612
 613         errno = 0;
 614         f = fopen(name,"r");
 615         if (errno) {
 616                 ERRS("unable to open file: %s", name);
 617                 return -1;
 618         }
 619
 620         while (len > 0) {
 621                 if (len < buflen)
 622                         buflen = len;
 623
 624                 /* read data from source file */
 625                 errno = 0;
 626                 fread(buf, buflen, 1, f);
 627                 if (errno != 0) {
 628                         ERRS("unable to read from file: %s",name);
 629                         res = -1;
 630                         break;
 631                 }
 632
 633                 res = write_out_data(outfile, buf, buflen, css);
 634                 if (res)
 635                         break;
 636
 637                 len -= buflen;
 638         }
 639
 640         fclose(f);
 641         return res;
 642 }
 643
 644
 645 int
 646 write_out_block(FILE *outfile, struct fw_block *block, struct csum_state *css)
 647 {
 648         int res;
 649
 650         if (block == NULL)
 651                 return 0;
 652
 653         if (block->file_name == NULL)
 654                 return 0;
 655
 656         if (block->file_size == 0)
 657                 return 0;
 658
 659         res = write_out_file(outfile, block->file_name,
 660                         block->file_size, css);
 661         return res;
 662 }
 663
 664
 665 int
 666 write_out_image(FILE *outfile)
 667 {
 668         struct fw_block *block;
 669         struct fw_mmap mmap;
 670         struct zyn_rombin_hdr hdr;
 671         struct csum_state css;
 672         int i, res;
 673         uint32_t offset;
 674         uint32_t padlen;
 675
 676         /* setup header fields */
 677         memset(&hdr, 0, sizeof(hdr));
 678         hdr.addr = board->code_start;
 679         hdr.type = OBJECT_TYPE_BOOTEXT;
 680         hdr.flags = ROMBIN_FLAG_OCSUM;
 681
 682         res = write_out_header(outfile, &hdr);
 683         if (res)
 684                 return res;
 685
 686         offset = sizeof(hdr);
 687
 688         csum_init(&css);
 689         res = write_out_block(outfile, bootext_block, &css);
 690         if (res)
 691                 return res;
 692
 693         offset += bootext_block->file_size;
 694
 695         padlen = ALIGN(offset,MMAP_ALIGN) - offset;
 696         res = write_out_padding(outfile, padlen, 0xFF, &css);
 697         if (res)
 698                 return res;
 699
 700         offset += padlen;
 701
 702         mmap.addr = board->flash_base + board->fw_offs + offset;
 703         hdr.mmap_addr = mmap.addr;
 704         res = write_out_mmap(outfile, &mmap, &css);
 705         if (res)
 706                 return res;
 707
 708         offset += MMAP_DATA_SIZE;
 709         hdr.osize = offset - sizeof(hdr);
 710         hdr.ocsum = csum_get(&css);
 711
 712         for (i=0; i < num_blocks; i++) {
 713                 block = &blocks[i];
 714
 715                 if (block->type == BLOCK_TYPE_BOOTEXT)
 716                         continue;
 717
 718                 padlen = ALIGN(offset,block->align) - offset;
 719                 res = write_out_padding(outfile, padlen, 0xFF, NULL);
 720                 if (res)
 721                         return res;
 722                 offset += padlen;
 723
 724                 res = write_out_block(outfile, block, NULL);
 725                 if (res)
 726                         return res;
 727                 offset += block->file_size;
 728         }
 729
 730         res = write_out_header(outfile, &hdr);
 731
 732         return res;
 733 }
 734
 735
 736 struct board_info *
 737 find_board(char *name)
 738 {
 739         struct board_info *ret;
 740         struct board_info *board;
 741
 742         ret = NULL;
 743         for (board = boards; board->name != NULL; board++){
 744                 if (strcasecmp(name, board->name) == 0) {
 745                         ret = board;
 746                         break;
 747                 }
 748         };
 749
 750         return ret;
 751 }
 752
 753
 754 int
 755 parse_opt_board(char ch, char *arg)
 756 {
 757
 758         DBG(1,"parsing board option: -%c %s", ch, arg);
 759
 760         if (board != NULL) {
 761                 ERR("only one board option allowed");
 762                 return -1;
 763         }
 764
 765         if (required_arg(ch, arg))
 766                 return -1;
 767
 768         board = find_board(arg);
 769         if (board == NULL){
 770                 ERR("invalid/unknown board specified: %s", arg);
 771                 return -1;
 772         }
 773
 774         return 0;
 775 }
 776
 777
 778 int
 779 parse_opt_ofname(char ch, char *arg)
 780 {
 781
 782         if (ofname != NULL) {
 783                 ERR("only one output file allowed");
 784                 return -1;
 785         }
 786
 787         if (required_arg(ch, arg))
 788                 return -1;
 789
 790         ofname = arg;
 791
 792         return 0;
 793 }
 794
 795
 796 int
 797 parse_opt_block(char ch, char *arg)
 798 {
 799         char buf[MAX_ARG_LEN];
 800         char *argv[MAX_ARG_COUNT];
 801         int argc;
 802         char *p;
 803         struct fw_block *block;
 804         int i;
 805
 806         if ( num_blocks >= MAX_NUM_BLOCKS ) {
 807                 ERR("too many blocks specified");
 808                 return -1;
 809         }
 810
 811         block = &blocks[num_blocks++];
 812
 813         /* setup default field values */
 814         block->padc = 0xFF;
 815
 816         switch(ch) {
 817         case 'b':
 818                 if (bootext_block) {
 819                         ERR("only one boot extension block allowed");
 820                         break;
 821                 }
 822                 block->type = BLOCK_TYPE_BOOTEXT;
 823                 bootext_block = block;
 824                 break;
 825         case 'r':
 826                 block->type = BLOCK_TYPE_RAW;
 827                 break;
 828         }
 829
 830         argc = parse_arg(arg, buf, argv);
 831
 832         i = 0;
 833         p = argv[i++];
 834         if (is_empty_arg(p)) {
 835                 ERR("no file specified in %s", arg);
 836                 return -1;
 837         } else {
 838                 block->file_name = strdup(p);
 839                 if (block->file_name == NULL) {
 840                         ERR("not enough memory");
 841                         return -1;
 842                 }
 843         }
 844
 845         if(block->type == BLOCK_TYPE_BOOTEXT)
 846                 return 0;
 847
 848         p = argv[i++];
 849         if (!is_empty_arg(p)) {
 850                 if (str2u32(p, &block->align) != 0) {
 851                         ERR("invalid block align in %s", arg);
 852                         return -1;
 853                 }
 854         }
 855
 856         return 0;
 857 }
 858
 859
 860 int
 861 calc_block_offsets(int type, uint32_t *offset)
 862 {
 863         struct fw_block *block;
 864         uint32_t next_offs;
 865         uint32_t avail;
 866         int i, res;
 867
 868         DBG(1,"calculating block offsets, starting with %lu",
 869                 *offset);
 870
 871         res = 0;
 872         for (i = 0; i < num_blocks; i++) {
 873                 block = &blocks[i];
 874
 875                 if (block->type != type)
 876                         continue;
 877
 878                 next_offs = ALIGN(*offset, block->align);
 879                 avail = board->flash_size - board->fw_offs - next_offs;
 880                 if (next_offs + block->file_size > avail) {
 881                         ERR("file %s is too big, offset = %u, size=%u,"
 882                                 " align = %u", block->file_name,
 883                                 (unsigned)next_offs,
 884                                 (unsigned)block->file_size,
 885                                 (unsigned)block->align);
 886                         res = -1;
 887                         break;
 888                 }
 889
 890                 block->padlen = next_offs - *offset;
 891                 *offset += block->file_size;
 892         }
 893
 894         return res;
 895 }
 896
 897 int
 898 process_blocks(void)
 899 {
 900         struct fw_block *block;
 901         uint32_t offset;
 902         int i;
 903         int res;
 904
 905         /* collecting file stats */
 906         for (i = 0; i < num_blocks; i++) {
 907                 block = &blocks[i];
 908                 res = block_stat_file(block);
 909                 if (res)
 910                         return res;
 911         }
 912
 913         offset = board->fw_offs + bootext_block->file_size;
 914         res = calc_block_offsets(BLOCK_TYPE_RAW, &offset);
 915
 916         return res;
 917 }
 918
 919
 920 int
 921 main(int argc, char *argv[])
 922 {
 923         int optinvalid = 0;   /* flag for invalid option */
 924         int c;
 925         int res = EXIT_FAILURE;
 926
 927         FILE *outfile;
 928
 929         progname=basename(argv[0]);
 930
 931         opterr = 0;  /* could not print standard getopt error messages */
 932         while ( 1 ) {
 933                 optinvalid = 0;
 934
 935                 c = getopt(argc, argv, "b:B:ho:r:v");
 936                 if (c == -1)
 937                         break;
 938
 939                 switch (c) {
 940                 case 'b':
 941                 case 'r':
 942                         optinvalid = parse_opt_block(c,optarg);
 943                         break;
 944                 case 'B':
 945                         optinvalid = parse_opt_board(c,optarg);
 946                         break;
 947                 case 'o':
 948                         optinvalid = parse_opt_ofname(c,optarg);
 949                         break;
 950                 case 'v':
 951                         verblevel++;
 952                         break;
 953                 case 'h':
 954                         usage(EXIT_SUCCESS);
 955                         break;
 956                 default:
 957                         optinvalid = 1;
 958                         break;
 959                 }
 960                 if (optinvalid != 0 ) {
 961                         ERR("invalid option: -%c", optopt);
 962                         goto out;
 963                 }
 964         }
 965
 966         if (board == NULL) {
 967                 ERR("no board specified");
 968                 goto out;
 969         }
 970
 971         if (ofname == NULL) {
 972                 ERR("no output file specified");
 973                 goto out;
 974         }
 975
 976         if (optind < argc) {
 977                 ERR("invalid option: %s", argv[optind]);
 978                 goto out;
 979         }
 980
 981
 982         if (process_blocks() != 0) {
 983                 goto out;
 984         }
 985
 986         outfile = fopen(ofname, "w");
 987         if (outfile == NULL) {
 988                 ERRS("could not open \"%s\" for writing", ofname);
 989                 goto out;
 990         }
 991
 992         if (write_out_image(outfile) != 0)
 993                 goto out_flush;
 994
 995         DBG(1,"Image file %s completed.", ofname);
 996
 997         res = EXIT_SUCCESS;
 998
 999 out_flush:
1000         fflush(outfile);
1001         fclose(outfile);
1002         if (res != EXIT_SUCCESS) {
1003                 unlink(ofname);
1004         }
1005 out:
1006         return res;
1007 }