tools/firmware-utils/src/mkzynfw.c

   1 /*
   2  *
   3  *  Copyright (C) 2007-2008 OpenWrt.org
   4  *  Copyright (C) 2007-2008 Gabor Juhos <juhosg at openwrt.org>
   5  *
   6  *  This code was based on the information of the ZyXEL's firmware
   7  *  image format written by Kolja Waschk, can be found at:
   8  *  http://www.ixo.de/info/zyxel_uclinux
   9  *
  10  *  This program is free software; you can redistribute it and/or modify it
  11  *  under the terms of the GNU General Public License version 2 as published
  12  *  by the Free Software Foundation.
  13  *
  14  */
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <stdint.h>
  19 #include <string.h>
  20 #include <unistd.h>     /* for unlink() */
  21 #include <libgen.h>
  22 #include <getopt.h>     /* for getopt() */
  23 #include <stdarg.h>
  24 #include <errno.h>
  25 #include <sys/stat.h>
  26 #include <endian.h>     /* for __BYTE_ORDER */
  27 #if defined(__CYGWIN__)
  28 #  include <byteswap.h>
  29 #endif
  30
  31 #include "zynos.h"
  32
  33 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
  34 #  define HOST_TO_LE16(x)       (x)
  35 #  define HOST_TO_LE32(x)       (x)
  36 #  define LE16_TO_HOST(x)       (x)
  37 #  define LE32_TO_HOST(x)       (x)
  38 #  define HOST_TO_BE16(x)       bswap_16(x)
  39 #  define HOST_TO_BE32(x)       bswap_32(x)
  40 #  define BE16_TO_HOST(x)       bswap_16(x)
  41 #  define BE32_TO_HOST(x)       bswap_32(x)
  42 #else
  43 #  define HOST_TO_BE16(x)       (x)
  44 #  define HOST_TO_BE32(x)       (x)
  45 #  define BE16_TO_HOST(x)       (x)
  46 #  define BE32_TO_HOST(x)       (x)
  47 #  define HOST_TO_LE16(x)       bswap_16(x)
  48 #  define HOST_TO_LE32(x)       bswap_32(x)
  49 #  define LE16_TO_HOST(x)       bswap_16(x)
  50 #  define LE32_TO_HOST(x)       bswap_32(x)
  51 #endif
  52
  53 #define ALIGN(x,y)      (((x)+((y)-1)) & ~((y)-1))
  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
  60
  61 struct csum_state{
  62         int             odd;
  63         uint32_t        sum;
  64         uint32_t        tmp;
  65 };
  66
  67 struct fw_block {
  68         uint32_t        align;          /* alignment of this block */
  69         char            *file_name;     /* name of the file */
  70         uint32_t        file_size;      /* length of the file */
  71         char            *mmap_name;     /* name in the MMAP table */
  72         int             type;           /* block type */
  73         uint32_t        padlen;
  74         uint8_t         padc;
  75 };
  76
  77 #define BLOCK_TYPE_BOOTEXT      0
  78 #define BLOCK_TYPE_RAW          1
  79
  80 struct fw_mmap {
  81         uint32_t        addr;
  82         uint32_t        size;
  83         uint32_t        user_addr;
  84         uint32_t        user_size;
  85 };
  86 #define MMAP_DATA_SIZE  1024
  87 #define MMAP_ALIGN      16
  88
  89 struct board_info {
  90         char *name;             /* model name */
  91         char *desc;             /* description */
  92         uint16_t vendor;        /* vendor id */
  93         uint16_t model;         /* model id */
  94         uint32_t flash_base;    /* flash base address */
  95         uint32_t flash_size;    /* board flash size */
  96         uint32_t code_start;    /* code start address */
  97         uint32_t romio_offs;    /* offset of the firmware within the flash */
  98         uint32_t bootext_size;  /* maximum size of bootext block */
  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 ATHEROS_FLASH_BASE      0xBFC00000
 122 #define ATHEROS_CODE_START      0x80e00000
 123
 124 #define BOARD(n, d, v, m, fb, fs, cs, fo) {             \
 125         .name = (n), .desc=(d),                         \
 126         .vendor = (v), .model = (m),                    \
 127         .flash_base = (fb), .flash_size = (fs)<<20,     \
 128         .code_start = (cs), .romio_offs = (fo),         \
 129         .bootext_size = BOOTEXT_DEF_SIZE                \
 130         }
 131
 132 #define ADMBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 133         ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x8000)
 134
 135 #define ADMBOARD2(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 136         ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x10000)
 137
 138 #define AR7BOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 139         AR7_FLASH_BASE, fs, AR7_CODE_START, 0x8000)
 140
 141 #define ATHEROSBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 142         ATHEROS_FLASH_BASE, fs, ATHEROS_CODE_START, 0x30000)
 143
 144 static struct board_info boards[] = {
 145         /*
 146          * Infineon/ADMtek ADM5120 based boards
 147          */
 148         ADMBOARD2("ES-2024A",   "ZyXEL ES-2024A", ZYNOS_MODEL_ES_2024A, 4),
 149         ADMBOARD2("ES-2024PWR", "ZyXEL ES-2024PWR", ZYNOS_MODEL_ES_2024PWR, 4),
 150         ADMBOARD2("ES-2108",    "ZyXEL ES-2108", ZYNOS_MODEL_ES_2108, 4),
 151         ADMBOARD2("ES-2108-F",  "ZyXEL ES-2108-F", ZYNOS_MODEL_ES_2108_F, 4),
 152         ADMBOARD2("ES-2108-G",  "ZyXEL ES-2108-G", ZYNOS_MODEL_ES_2108_G, 4),
 153         ADMBOARD2("ES-2108-LC", "ZyXEL ES-2108-LC", ZYNOS_MODEL_ES_2108_LC, 4),
 154         ADMBOARD2("ES-2108PWR", "ZyXEL ES-2108PWR", ZYNOS_MODEL_ES_2108PWR, 4),
 155         ADMBOARD1("HS-100",     "ZyXEL HomeSafe 100", ZYNOS_MODEL_HS_100, 2),
 156         ADMBOARD1("HS-100W",    "ZyXEL HomeSafe 100W", ZYNOS_MODEL_HS_100W, 2),
 157         ADMBOARD1("P-334",      "ZyXEL Prestige 334", ZYNOS_MODEL_P_334, 2),
 158         ADMBOARD1("P-334U",     "ZyXEL Prestige 334U", ZYNOS_MODEL_P_334U, 4),
 159         ADMBOARD1("P-334W",     "ZyXEL Prestige 334W", ZYNOS_MODEL_P_334W, 2),
 160         ADMBOARD1("P-334WH",    "ZyXEL Prestige 334WH", ZYNOS_MODEL_P_334WH, 4),
 161         ADMBOARD1("P-334WHD",   "ZyXEL Prestige 334WHD", ZYNOS_MODEL_P_334WHD, 4),
 162         ADMBOARD1("P-334WT",    "ZyXEL Prestige 334WT", ZYNOS_MODEL_P_334WT, 4),
 163         ADMBOARD1("P-335",      "ZyXEL Prestige 335", ZYNOS_MODEL_P_335, 4),
 164         ADMBOARD1("P-335Plus",  "ZyXEL Prestige 335Plus", ZYNOS_MODEL_P_335PLUS, 4),
 165         ADMBOARD1("P-335U",     "ZyXEL Prestige 335U", ZYNOS_MODEL_P_335U, 4),
 166         ADMBOARD1("P-335WT",    "ZyXEL Prestige 335WT", ZYNOS_MODEL_P_335WT, 4),
 167
 168         {
 169                 .name           = "P-2602HW-D1A",
 170                 .desc           = "ZyXEL P-2602HW-D1A",
 171                 .vendor         = ZYNOS_VENDOR_ID_ZYXEL,
 172                 .model          = ZYNOS_MODEL_P_2602HW_D1A,
 173                 .flash_base     = AR7_FLASH_BASE,
 174                 .flash_size     = 4*1024*1024,
 175                 .code_start     = 0x94008000,
 176                 .romio_offs     = 0x20000,
 177                 .bootext_size   = BOOTEXT_DEF_SIZE,
 178         },
 179
 180 #if 0
 181         /*
 182          * Texas Instruments AR7 based boards
 183          */
 184         AR7BOARD1("P-660H-61",  "ZyXEL P-660H-61", ZYNOS_MODEL_P_660H_61, 2),
 185         AR7BOARD1("P-660H-63",  "ZyXEL P-660H-63", ZYNOS_MODEL_P_660H_63, 2),
 186         AR7BOARD1("P-660H-D1",  "ZyXEL P-660H-D1", ZYNOS_MODEL_P_660H_D1, 2),
 187         AR7BOARD1("P-660H-D3",  "ZyXEL P-660H-D3", ZYNOS_MODEL_P_660H_D3, 2),
 188         AR7BOARD1("P-660HW-61", "ZyXEL P-660HW-61", ZYNOS_MODEL_P_660HW_61, 2),
 189         AR7BOARD1("P-660HW-63", "ZyXEL P-660HW-63", ZYNOS_MODEL_P_660HW_63, 2),
 190         AR7BOARD1("P-660HW-67", "ZyXEL P-660HW-67", ZYNOS_MODEL_P_660HW_67, 2),
 191         AR7BOARD1("P-660HW-D1", "ZyXEL P-660HW-D1", ZYNOS_MODEL_P_660HW_D1, 2),
 192         AR7BOARD1("P-660HW-D3", "ZyXEL P-660HW-D3", ZYNOS_MODEL_P_660HW_D3, 2),
 193         AR7BOARD1("P-660R-61",  "ZyXEL P-660R-61", ZYNOS_MODEL_P_660R_61, 2),
 194         AR7BOARD1("P-660R-61C", "ZyXEL P-660R-61C", ZYNOS_MODEL_P_660R_61C, 2),
 195         AR7BOARD1("P-660R-63",  "ZyXEL P-660R-63", ZYNOS_MODEL_P_660R_63, 2),
 196         AR7BOARD1("P-660R-63C", "ZyXEL P-660R-63C", ZYNOS_MODEL_P_660R_63C, 2),
 197         AR7BOARD1("P-660R-67",  "ZyXEL P-660R-67", ZYNOS_MODEL_P_660R_67, 2),
 198         AR7BOARD1("P-660R-D1",  "ZyXEL P-660R-D1", ZYNOS_MODEL_P_660R_D1, 2),
 199         AR7BOARD1("P-660R-D3",  "ZyXEL P-660R-D3", ZYNOS_MODEL_P_660R_D3, 2),
 200 #endif
 201         {
 202                 .name           = "O2SURF",
 203                 .desc           = "O2 DSL Surf & Phone",
 204                 .vendor         = ZYNOS_VENDOR_ID_O2,
 205                 .model          = ZYNOS_MODEL_O2SURF,
 206                 .flash_base     = AR7_FLASH_BASE,
 207                 .flash_size     = 8*1024*1024,
 208                 .code_start     = 0x94014000,
 209                 .romio_offs     = 0x40000,
 210                 .bootext_size   = BOOTEXT_DEF_SIZE,
 211         },
 212
 213         /*
 214 :x
 215          */
 216         ATHEROSBOARD1("NBG-318S", "ZyXEL NBG-318S", ZYNOS_MODEL_NBG_318S, 4),
 217
 218         {.name = NULL}
 219 };
 220
 221 /*
 222  * Message macros
 223  */
 224 #define ERR(fmt, ...) do { \
 225         fflush(0); \
 226         fprintf(stderr, "[%s] *** error: " fmt "\n", \
 227                         progname, ## __VA_ARGS__ ); \
 228 } while (0)
 229
 230 #define ERRS(fmt, ...) do { \
 231         int save = errno; \
 232         fflush(0); \
 233         fprintf(stderr, "[%s] *** error: " fmt ", %s\n", \
 234                         progname, ## __VA_ARGS__, strerror(save)); \
 235 } while (0)
 236
 237 #define WARN(fmt, ...) do { \
 238         fprintf(stderr, "[%s] *** warning: " fmt "\n", \
 239                         progname, ## __VA_ARGS__ ); \
 240 } while (0)
 241
 242 #define DBG(lev, fmt, ...) do { \
 243         if (verblevel < lev) \
 244                 break;\
 245         fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
 246 } while (0)
 247
 248 #define ERR_FATAL               -1
 249 #define ERR_INVALID_IMAGE       -2
 250
 251 /*
 252  * Helper routines
 253  */
 254 void
 255 usage(int status)
 256 {
 257         FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
 258         struct board_info *board;
 259
 260         fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
 261         fprintf(stream,
 262 "\n"
 263 "Options:\n"
 264 "  -B <board>      create image for the board specified with <board>.\n"
 265 "                  valid <board> values:\n"
 266         );
 267         for (board = boards; board->name != NULL; board++){
 268                 fprintf(stream,
 269 "                    %-12s= %s\n",
 270                  board->name, board->desc);
 271         };
 272         fprintf(stream,
 273 "  -b <file>[:<align>]\n"
 274 "                  add boot extension block to the image\n"
 275 "  -r <file>[:<align>]\n"
 276 "                  add raw block to the image\n"
 277 "  -o <file>       write output to the file <file>\n"
 278 "  -h              show this screen\n"
 279         );
 280
 281         exit(status);
 282 }
 283
 284
 285 /*
 286  * argument parsing
 287  */
 288 int
 289 str2u32(char *arg, uint32_t *val)
 290 {
 291         char *err = NULL;
 292         uint32_t t;
 293
 294         errno=0;
 295         t = strtoul(arg, &err, 0);
 296         if (errno || (err==arg) || ((err != NULL) && *err)) {
 297                 return -1;
 298         }
 299
 300         *val = t;
 301         return 0;
 302 }
 303
 304
 305 int
 306 str2u16(char *arg, uint16_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 >= 0x10000)) {
 314                 return -1;
 315         }
 316
 317         *val = t & 0xFFFF;
 318         return 0;
 319 }
 320
 321 int
 322 str2u8(char *arg, uint8_t *val)
 323 {
 324         char *err = NULL;
 325         uint32_t t;
 326
 327         errno=0;
 328         t = strtoul(arg, &err, 0);
 329         if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
 330                 return -1;
 331         }
 332
 333         *val = t & 0xFF;
 334         return 0;
 335 }
 336
 337 int
 338 str2sig(char *arg, uint32_t *sig)
 339 {
 340         if (strlen(arg) != 4)
 341                 return -1;
 342
 343         *sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24);
 344
 345         return 0;
 346 }
 347
 348
 349 int
 350 parse_arg(char *arg, char *buf, char *argv[])
 351 {
 352         int res = 0;
 353         size_t argl;
 354         char *tok;
 355         char **ap = &buf;
 356         int i;
 357
 358         memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
 359
 360         if ((arg == NULL)) {
 361                 /* no arguments */
 362                 return 0;
 363         }
 364
 365         argl = strlen(arg);
 366         if (argl == 0) {
 367                 /* no arguments */
 368                 return 0;
 369         }
 370
 371         if (argl >= MAX_ARG_LEN) {
 372                 /* argument is too long */
 373                 argl = MAX_ARG_LEN-1;
 374         }
 375
 376         memcpy(buf, arg, argl);
 377         buf[argl] = '\0';
 378
 379         for (i = 0; i < MAX_ARG_COUNT; i++) {
 380                 tok = strsep(ap, ":");
 381                 if (tok == NULL) {
 382                         break;
 383                 }
 384 #if 0
 385                 else if (tok[0] == '\0') {
 386                         break;
 387                 }
 388 #endif
 389                 argv[i] = tok;
 390                 res++;
 391         }
 392
 393         return res;
 394 }
 395
 396
 397 int
 398 required_arg(char c, char *arg)
 399 {
 400         if (arg == NULL || *arg != '-')
 401                 return 0;
 402
 403         ERR("option -%c requires an argument\n", c);
 404         return -1;
 405 }
 406
 407
 408 int
 409 is_empty_arg(char *arg)
 410 {
 411         int ret = 1;
 412         if (arg != NULL) {
 413                 if (*arg) ret = 0;
 414         };
 415         return ret;
 416 }
 417
 418
 419 void
 420 csum_init(struct csum_state *css)
 421 {
 422         css->odd = 0;
 423         css->sum = 0;
 424         css->tmp = 0;
 425 }
 426
 427
 428 void
 429 csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
 430 {
 431         if (len == 0)
 432                 return;
 433
 434         if (css->odd) {
 435                 css->sum += (css->tmp << 8) + p[0];
 436                 if (css->sum > 0xFFFF) {
 437                         css->sum += 1;
 438                         css->sum &= 0xFFFF;
 439                 }
 440                 css->odd = 0;
 441                 len--;
 442                 p++;
 443         }
 444
 445         for ( ; len > 1; len -= 2, p +=2 ) {
 446                 css->sum  += (p[0] << 8) + p[1];
 447                 if (css->sum > 0xFFFF) {
 448                         css->sum += 1;
 449                         css->sum &= 0xFFFF;
 450                 }
 451         }
 452
 453         if (len == 1){
 454                 css->tmp = p[0];
 455                 css->odd = 1;
 456         }
 457 }
 458
 459
 460 uint16_t
 461 csum_get(struct csum_state *css)
 462 {
 463         char pad = 0;
 464
 465         csum_update(&pad, 1, css);
 466         return css->sum;
 467 }
 468
 469 uint16_t
 470 csum_buf(uint8_t *p, uint32_t len)
 471 {
 472         struct csum_state css;
 473
 474         csum_init(&css);
 475         csum_update(p, len, &css);
 476         return csum_get(&css);
 477
 478 }
 479
 480 /*
 481  * routines to write data to the output file
 482  */
 483 int
 484 write_out_data(FILE *outfile, uint8_t *data, size_t len,
 485                 struct csum_state *css)
 486 {
 487         errno = 0;
 488
 489         fwrite(data, len, 1, outfile);
 490         if (errno) {
 491                 ERR("unable to write output file");
 492                 return -1;
 493         }
 494
 495         if (css) {
 496                 csum_update(data, len, css);
 497         }
 498
 499         return 0;
 500 }
 501
 502
 503 int
 504 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
 505                  struct csum_state *css)
 506 {
 507         uint8_t buf[512];
 508         size_t buflen = sizeof(buf);
 509
 510         memset(buf, padc, buflen);
 511         while (len > 0) {
 512                 if (len < buflen)
 513                         buflen = len;
 514
 515                 if (write_out_data(outfile, buf, buflen, css))
 516                         return -1;
 517
 518                 len -= buflen;
 519         }
 520
 521         return 0;
 522 }
 523
 524
 525 int
 526 write_out_data_align(FILE *outfile, uint8_t *data, size_t len, size_t align,
 527                 struct csum_state *css)
 528 {
 529         size_t padlen;
 530         int res;
 531
 532         res = write_out_data(outfile, data, len, css);
 533         if (res)
 534                 return res;
 535
 536         padlen = ALIGN(len,align) - len;
 537         res = write_out_padding(outfile, padlen, 0xFF, css);
 538
 539         return res;
 540 }
 541
 542
 543 int
 544 write_out_header(FILE *outfile, struct zyn_rombin_hdr *hdr)
 545 {
 546         struct zyn_rombin_hdr t;
 547
 548         errno = 0;
 549         if (fseek(outfile, 0, SEEK_SET) != 0) {
 550                 ERRS("fseek failed on output file");
 551                 return -1;
 552         }
 553
 554         /* setup temporary header fields */
 555         memset(&t, 0, sizeof(t));
 556         t.addr = HOST_TO_BE32(hdr->addr);
 557         memcpy(&t.sig, ROMBIN_SIGNATURE, ROMBIN_SIG_LEN);
 558         t.type = hdr->type;
 559         t.flags = hdr->flags;
 560         t.osize = HOST_TO_BE32(hdr->osize);
 561         t.csize = HOST_TO_BE32(hdr->csize);
 562         t.ocsum = HOST_TO_BE16(hdr->ocsum);
 563         t.ccsum = HOST_TO_BE16(hdr->ccsum);
 564         t.mmap_addr = HOST_TO_BE32(hdr->mmap_addr);
 565
 566         DBG(2, "hdr.addr      = 0x%08x", hdr->addr);
 567         DBG(2, "hdr.type      = 0x%02x", hdr->type);
 568         DBG(2, "hdr.osize     = 0x%08x", hdr->osize);
 569         DBG(2, "hdr.csize     = 0x%08x", hdr->csize);
 570         DBG(2, "hdr.flags     = 0x%02x", hdr->flags);
 571         DBG(2, "hdr.ocsum     = 0x%04x", hdr->ocsum);
 572         DBG(2, "hdr.ccsum     = 0x%04x", hdr->ccsum);
 573         DBG(2, "hdr.mmap_addr = 0x%08x", hdr->mmap_addr);
 574
 575         return write_out_data(outfile, (uint8_t *)&t, sizeof(t), NULL);
 576 }
 577
 578
 579 int
 580 write_out_mmap(FILE *outfile, struct fw_mmap *mmap, struct csum_state *css)
 581 {
 582         struct zyn_mmt_hdr *mh;
 583         uint8_t buf[MMAP_DATA_SIZE];
 584         uint32_t user_size;
 585         char *data;
 586         int res;
 587
 588         memset(buf, 0, sizeof(buf));
 589
 590         mh = (struct zyn_mmt_hdr *)buf;
 591
 592         /* TODO: needs to recreate the memory map too? */
 593         mh->count=0;
 594
 595         /* Build user data section */
 596         data = buf+sizeof(*mh);
 597         data += sprintf(data, "Vendor 1 %d", board->vendor);
 598         *data++ = '\0';
 599         data += sprintf(data, "Model 1 %d", BE16_TO_HOST(board->model));
 600         *data++ = '\0';
 601         /* TODO: make hardware version configurable? */
 602         data += sprintf(data, "HwVerRange 2 %d %d", 0, 0);
 603         *data++ = '\0';
 604
 605         user_size = (uint8_t *)data - buf;
 606         mh->user_start= HOST_TO_BE32(mmap->addr+sizeof(*mh));
 607         mh->user_end= HOST_TO_BE32(mmap->addr+user_size);
 608         mh->csum = HOST_TO_BE16(csum_buf(buf+sizeof(*mh), user_size));
 609
 610         res = write_out_data(outfile, buf, sizeof(buf), css);
 611
 612         return res;
 613 }
 614
 615
 616 int
 617 block_stat_file(struct fw_block *block)
 618 {
 619         struct stat st;
 620         int res;
 621
 622         if (block->file_name == NULL)
 623                 return 0;
 624
 625         res = stat(block->file_name, &st);
 626         if (res){
 627                 ERRS("stat failed on %s", block->file_name);
 628                 return res;
 629         }
 630
 631         block->file_size = st.st_size;
 632         return 0;
 633 }
 634
 635
 636 int
 637 read_magic(uint16_t *magic)
 638 {
 639         FILE *f;
 640         int res;
 641
 642         errno = 0;
 643         f = fopen(bootext_block->file_name,"r");
 644         if (errno) {
 645                 ERRS("unable to open file: %s", bootext_block->file_name);
 646                 return -1;
 647         }
 648
 649         errno = 0;
 650         fread(magic, 2, 1, f);
 651         if (errno != 0) {
 652                 ERRS("unable to read from file: %s", bootext_block->file_name);
 653                 res = -1;
 654                 goto err;
 655         }
 656
 657         res = 0;
 658
 659 err:
 660         fclose(f);
 661         return res;
 662 }
 663
 664
 665 int
 666 write_out_file(FILE *outfile, char *name, size_t len, struct csum_state *css)
 667 {
 668         char buf[FILE_BUF_LEN];
 669         size_t buflen = sizeof(buf);
 670         FILE *f;
 671         int res;
 672
 673         DBG(2, "writing out file, name=%s, len=%d",
 674                 name, len);
 675
 676         errno = 0;
 677         f = fopen(name,"r");
 678         if (errno) {
 679                 ERRS("unable to open file: %s", name);
 680                 return -1;
 681         }
 682
 683         while (len > 0) {
 684                 if (len < buflen)
 685                         buflen = len;
 686
 687                 /* read data from source file */
 688                 errno = 0;
 689                 fread(buf, buflen, 1, f);
 690                 if (errno != 0) {
 691                         ERRS("unable to read from file: %s",name);
 692                         res = -1;
 693                         break;
 694                 }
 695
 696                 res = write_out_data(outfile, buf, buflen, css);
 697                 if (res)
 698                         break;
 699
 700                 len -= buflen;
 701         }
 702
 703         fclose(f);
 704         return res;
 705 }
 706
 707
 708 int
 709 write_out_block(FILE *outfile, struct fw_block *block, struct csum_state *css)
 710 {
 711         int res;
 712
 713         if (block == NULL)
 714                 return 0;
 715
 716         if (block->file_name == NULL)
 717                 return 0;
 718
 719         if (block->file_size == 0)
 720                 return 0;
 721
 722         res = write_out_file(outfile, block->file_name,
 723                         block->file_size, css);
 724         return res;
 725 }
 726
 727
 728 int
 729 write_out_image(FILE *outfile)
 730 {
 731         struct fw_block *block;
 732         struct fw_mmap mmap;
 733         struct zyn_rombin_hdr hdr;
 734         struct csum_state css;
 735         int i, res;
 736         uint32_t offset;
 737         uint32_t padlen;
 738         uint16_t csum;
 739         uint16_t t;
 740
 741         /* setup header fields */
 742         memset(&hdr, 0, sizeof(hdr));
 743         hdr.addr = board->code_start;
 744         hdr.type = OBJECT_TYPE_BOOTEXT;
 745         hdr.flags = ROMBIN_FLAG_OCSUM;
 746
 747         offset = board->romio_offs;
 748
 749         res = write_out_header(outfile, &hdr);
 750         if (res)
 751                 return res;
 752
 753         offset += sizeof(hdr);
 754
 755         csum_init(&css);
 756         res = write_out_block(outfile, bootext_block, &css);
 757         if (res)
 758                 return res;
 759
 760         offset += bootext_block->file_size;
 761         if (offset > (board->romio_offs + board->bootext_size)) {
 762                 ERR("bootext file '%s' is too big", bootext_block->file_name);
 763                 return -1;
 764         }
 765
 766         padlen = ALIGN(offset, MMAP_ALIGN) - offset;
 767         res = write_out_padding(outfile, padlen, 0xFF, &css);
 768         if (res)
 769                 return res;
 770
 771         offset += padlen;
 772
 773         mmap.addr = board->flash_base + offset;
 774         res = write_out_mmap(outfile, &mmap, &css);
 775         if (res)
 776                 return res;
 777
 778         offset += MMAP_DATA_SIZE;
 779
 780         if ((offset - board->romio_offs) < board->bootext_size) {
 781                 padlen = board->romio_offs + board->bootext_size - offset;
 782                 res = write_out_padding(outfile, padlen, 0xFF, &css);
 783                 if (res)
 784                         return res;
 785                 offset += padlen;
 786
 787                 DBG(2, "bootext end at %08x", offset);
 788         }
 789
 790         for (i = 0; i < num_blocks; i++) {
 791                 block = &blocks[i];
 792
 793                 if (block->type == BLOCK_TYPE_BOOTEXT)
 794                         continue;
 795
 796                 padlen = ALIGN(offset, block->align) - offset;
 797                 res = write_out_padding(outfile, padlen, 0xFF, &css);
 798                 if (res)
 799                         return res;
 800                 offset += padlen;
 801
 802                 res = write_out_block(outfile, block, &css);
 803                 if (res)
 804                         return res;
 805                 offset += block->file_size;
 806         }
 807
 808         padlen = ALIGN(offset, 4) - offset;
 809         res = write_out_padding(outfile, padlen, 0xFF, &css);
 810         if (res)
 811                 return res;
 812         offset += padlen;
 813
 814         csum = csum_get(&css);
 815         hdr.mmap_addr = mmap.addr;
 816         hdr.osize = 2;
 817
 818         res = read_magic(&hdr.ocsum);
 819         if (res)
 820                 return res;
 821         hdr.ocsum = BE16_TO_HOST(hdr.ocsum);
 822
 823         if (csum <= hdr.ocsum)
 824                 t = hdr.ocsum - csum;
 825         else
 826                 t = hdr.ocsum - csum - 1;
 827
 828         DBG(2, "ocsum=%04x, csum=%04x, fix=%04x", hdr.ocsum, csum, t);
 829
 830         t = HOST_TO_BE16(t);
 831         res = write_out_data(outfile, (uint8_t *)&t, 2, NULL);
 832         if (res)
 833                 return res;
 834
 835
 836         res = write_out_header(outfile, &hdr);
 837
 838         return res;
 839 }
 840
 841
 842 struct board_info *
 843 find_board(char *name)
 844 {
 845         struct board_info *ret;
 846         struct board_info *board;
 847
 848         ret = NULL;
 849         for (board = boards; board->name != NULL; board++){
 850                 if (strcasecmp(name, board->name) == 0) {
 851                         ret = board;
 852                         break;
 853                 }
 854         };
 855
 856         return ret;
 857 }
 858
 859
 860 int
 861 parse_opt_board(char ch, char *arg)
 862 {
 863
 864         DBG(1,"parsing board option: -%c %s", ch, arg);
 865
 866         if (board != NULL) {
 867                 ERR("only one board option allowed");
 868                 return -1;
 869         }
 870
 871         if (required_arg(ch, arg))
 872                 return -1;
 873
 874         board = find_board(arg);
 875         if (board == NULL){
 876                 ERR("invalid/unknown board specified: %s", arg);
 877                 return -1;
 878         }
 879
 880         return 0;
 881 }
 882
 883
 884 int
 885 parse_opt_ofname(char ch, char *arg)
 886 {
 887
 888         if (ofname != NULL) {
 889                 ERR("only one output file allowed");
 890                 return -1;
 891         }
 892
 893         if (required_arg(ch, arg))
 894                 return -1;
 895
 896         ofname = arg;
 897
 898         return 0;
 899 }
 900
 901
 902 int
 903 parse_opt_block(char ch, char *arg)
 904 {
 905         char buf[MAX_ARG_LEN];
 906         char *argv[MAX_ARG_COUNT];
 907         int argc;
 908         char *p;
 909         struct fw_block *block;
 910         int i;
 911
 912         if ( num_blocks >= MAX_NUM_BLOCKS ) {
 913                 ERR("too many blocks specified");
 914                 return -1;
 915         }
 916
 917         block = &blocks[num_blocks++];
 918
 919         /* setup default field values */
 920         block->padc = 0xFF;
 921
 922         switch(ch) {
 923         case 'b':
 924                 if (bootext_block) {
 925                         ERR("only one boot extension block allowed");
 926                         break;
 927                 }
 928                 block->type = BLOCK_TYPE_BOOTEXT;
 929                 bootext_block = block;
 930                 break;
 931         case 'r':
 932                 block->type = BLOCK_TYPE_RAW;
 933                 break;
 934         }
 935
 936         argc = parse_arg(arg, buf, argv);
 937
 938         i = 0;
 939         p = argv[i++];
 940         if (is_empty_arg(p)) {
 941                 ERR("no file specified in %s", arg);
 942                 return -1;
 943         } else {
 944                 block->file_name = strdup(p);
 945                 if (block->file_name == NULL) {
 946                         ERR("not enough memory");
 947                         return -1;
 948                 }
 949         }
 950
 951         if (block->type == BLOCK_TYPE_BOOTEXT)
 952                 return 0;
 953
 954         p = argv[i++];
 955         if (!is_empty_arg(p)) {
 956                 if (str2u32(p, &block->align) != 0) {
 957                         ERR("invalid block align in %s", arg);
 958                         return -1;
 959                 }
 960         }
 961
 962         return 0;
 963 }
 964
 965
 966 int
 967 calc_block_offsets(int type, uint32_t *offset)
 968 {
 969         struct fw_block *block;
 970         uint32_t next_offs;
 971         uint32_t avail;
 972         int i, res;
 973
 974         DBG(1,"calculating block offsets, starting with %lu",
 975                 *offset);
 976
 977         res = 0;
 978         for (i = 0; i < num_blocks; i++) {
 979                 block = &blocks[i];
 980
 981                 if (block->type != type)
 982                         continue;
 983
 984                 next_offs = ALIGN(*offset, block->align);
 985                 avail = board->flash_size - board->romio_offs - next_offs;
 986                 if (next_offs + block->file_size > avail) {
 987                         ERR("file %s is too big, offset = %u, size=%u,"
 988                                 " align = %u", block->file_name,
 989                                 (unsigned)next_offs,
 990                                 (unsigned)block->file_size,
 991                                 (unsigned)block->align);
 992                         res = -1;
 993                         break;
 994                 }
 995
 996                 block->padlen = next_offs - *offset;
 997                 *offset += block->file_size;
 998         }
 999
1000         return res;
1001 }
1002
1003 int
1004 process_blocks(void)
1005 {
1006         struct fw_block *block;
1007         uint32_t offset;
1008         int i;
1009         int res;
1010
1011         /* collecting file stats */
1012         for (i = 0; i < num_blocks; i++) {
1013                 block = &blocks[i];
1014                 res = block_stat_file(block);
1015                 if (res)
1016                         return res;
1017         }
1018
1019         offset = board->romio_offs + bootext_block->file_size;
1020         res = calc_block_offsets(BLOCK_TYPE_RAW, &offset);
1021
1022         return res;
1023 }
1024
1025
1026 int
1027 main(int argc, char *argv[])
1028 {
1029         int optinvalid = 0;   /* flag for invalid option */
1030         int c;
1031         int res = EXIT_FAILURE;
1032
1033         FILE *outfile;
1034
1035         progname=basename(argv[0]);
1036
1037         opterr = 0;  /* could not print standard getopt error messages */
1038         while ( 1 ) {
1039                 optinvalid = 0;
1040
1041                 c = getopt(argc, argv, "b:B:ho:r:v");
1042                 if (c == -1)
1043                         break;
1044
1045                 switch (c) {
1046                 case 'b':
1047                 case 'r':
1048                         optinvalid = parse_opt_block(c,optarg);
1049                         break;
1050                 case 'B':
1051                         optinvalid = parse_opt_board(c,optarg);
1052                         break;
1053                 case 'o':
1054                         optinvalid = parse_opt_ofname(c,optarg);
1055                         break;
1056                 case 'v':
1057                         verblevel++;
1058                         break;
1059                 case 'h':
1060                         usage(EXIT_SUCCESS);
1061                         break;
1062                 default:
1063                         optinvalid = 1;
1064                         break;
1065                 }
1066                 if (optinvalid != 0 ) {
1067                         ERR("invalid option: -%c", optopt);
1068                         goto out;
1069                 }
1070         }
1071
1072         if (board == NULL) {
1073                 ERR("no board specified");
1074                 goto out;
1075         }
1076
1077         if (ofname == NULL) {
1078                 ERR("no output file specified");
1079                 goto out;
1080         }
1081
1082         if (optind < argc) {
1083                 ERR("invalid option: %s", argv[optind]);
1084                 goto out;
1085         }
1086
1087         if (process_blocks() != 0) {
1088                 goto out;
1089         }
1090
1091         outfile = fopen(ofname, "w");
1092         if (outfile == NULL) {
1093                 ERRS("could not open \"%s\" for writing", ofname);
1094                 goto out;
1095         }
1096
1097         if (write_out_image(outfile) != 0)
1098                 goto out_flush;
1099
1100         DBG(1,"Image file %s completed.", ofname);
1101
1102         res = EXIT_SUCCESS;
1103
1104 out_flush:
1105         fflush(outfile);
1106         fclose(outfile);
1107         if (res != EXIT_SUCCESS) {
1108                 unlink(ofname);
1109         }
1110 out:
1111         return res;
1112 }