tools/mkimage.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2008 Semihalf
   4  *
   5  * (C) Copyright 2000-2009
   6  * DENX Software Engineering
   7  * Wolfgang Denk, wd@denx.de
   8  */
   9
  10 #include "imagetool.h"
  11 #include "mkimage.h"
  12 #include "imximage.h"
  13 #include <fit_common.h>
  14 #include <image.h>
  15 #include <version.h>
  16 #ifdef __linux__
  17 #include <sys/ioctl.h>
  18 #endif
  19
  20 static void copy_file(int, const char *, int);
  21
  22 /* parameters initialized by core will be used by the image type code */
  23 static struct image_tool_params params = {
  24         .os = IH_OS_LINUX,
  25         .arch = IH_ARCH_PPC,
  26         .type = IH_TYPE_KERNEL,
  27         .comp = IH_COMP_GZIP,
  28         .dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
  29         .imagename = "",
  30         .imagename2 = "",
  31 };
  32
  33 static enum ih_category cur_category;
  34
  35 static int h_compare_category_name(const void *vtype1, const void *vtype2)
  36 {
  37         const int *type1 = vtype1;
  38         const int *type2 = vtype2;
  39         const char *name1 = genimg_get_cat_short_name(cur_category, *type1);
  40         const char *name2 = genimg_get_cat_short_name(cur_category, *type2);
  41
  42         return strcmp(name1, name2);
  43 }
  44
  45 static int show_valid_options(enum ih_category category)
  46 {
  47         int *order;
  48         int count;
  49         int item;
  50         int i;
  51
  52         count = genimg_get_cat_count(category);
  53         order = calloc(count, sizeof(*order));
  54         if (!order)
  55                 return -ENOMEM;
  56
  57         /* Sort the names in order of short name for easier reading */
  58         for (i = 0, item = 0; i < count; i++, item++) {
  59                 while (!genimg_cat_has_id(category, item) && i < count) {
  60                         item++;
  61                         count--;
  62                 }
  63                 order[i] = item;
  64         }
  65         cur_category = category;
  66         qsort(order, count, sizeof(int), h_compare_category_name);
  67
  68         fprintf(stderr, "\nInvalid %s, supported are:\n",
  69                 genimg_get_cat_desc(category));
  70         for (i = 0; i < count; i++) {
  71                 item = order[i];
  72                 fprintf(stderr, "\t%-15s  %s\n",
  73                         genimg_get_cat_short_name(category, item),
  74                         genimg_get_cat_name(category, item));
  75         }
  76         fprintf(stderr, "\n");
  77         free(order);
  78
  79         return 0;
  80 }
  81
  82 static void usage(const char *msg)
  83 {
  84         fprintf(stderr, "Error: %s\n", msg);
  85         fprintf(stderr, "Usage: %s [-T type] -l image\n"
  86                          "          -l ==> list image header information\n"
  87                          "          -T ==> parse image file as 'type'\n",
  88                 params.cmdname);
  89         fprintf(stderr,
  90                 "       %s [-x] -A arch -O os -T type -C comp -a addr -e ep -n name -d data_file[:data_file...] image\n"
  91                 "          -A ==> set architecture to 'arch'\n"
  92                 "          -O ==> set operating system to 'os'\n"
  93                 "          -T ==> set image type to 'type'\n"
  94                 "          -C ==> set compression type 'comp'\n"
  95                 "          -a ==> set load address to 'addr' (hex)\n"
  96                 "          -e ==> set entry point to 'ep' (hex)\n"
  97                 "          -n ==> set image name to 'name'\n"
  98                 "          -d ==> use image data from 'datafile'\n"
  99                 "          -x ==> set XIP (execute in place)\n",
 100                 params.cmdname);
 101         fprintf(stderr,
 102                 "       %s [-D dtc_options] [-f fit-image.its|-f auto|-F] [-b <dtb> [-b <dtb>]] [-E] [-B size] [-i <ramdisk.cpio.gz>] fit-image\n"
 103                 "           <dtb> file is used with -f auto, it may occur multiple times.\n",
 104                 params.cmdname);
 105         fprintf(stderr,
 106                 "          -D => set all options for device tree compiler\n"
 107                 "          -f => input filename for FIT source\n"
 108                 "          -i => input filename for ramdisk file\n"
 109                 "          -E => place data outside of the FIT structure\n"
 110                 "          -B => align size in hex for FIT structure and header\n");
 111 #ifdef CONFIG_FIT_SIGNATURE
 112         fprintf(stderr,
 113                 "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>] [-p addr] [-r] [-N engine]\n"
 114                 "          -k => set directory containing private keys\n"
 115                 "          -K => write public keys to this .dtb file\n"
 116                 "          -G => use this signing key (in lieu of -k)\n"
 117                 "          -c => add comment in signature node\n"
 118                 "          -F => re-sign existing FIT image\n"
 119                 "          -p => place external data at a static position\n"
 120                 "          -r => mark keys used as 'required' in dtb\n"
 121                 "          -N => openssl engine to use for signing\n");
 122 #else
 123         fprintf(stderr,
 124                 "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
 125 #endif
 126         fprintf(stderr, "       %s -V ==> print version information and exit\n",
 127                 params.cmdname);
 128         fprintf(stderr, "Use '-T list' to see a list of available image types\n");
 129
 130         exit(EXIT_FAILURE);
 131 }
 132
 133 static int add_content(int type, const char *fname)
 134 {
 135         struct content_info *cont;
 136
 137         cont = calloc(1, sizeof(*cont));
 138         if (!cont)
 139                 return -1;
 140         cont->type = type;
 141         cont->fname = fname;
 142         if (params.content_tail)
 143                 params.content_tail->next = cont;
 144         else
 145                 params.content_head = cont;
 146         params.content_tail = cont;
 147
 148         return 0;
 149 }
 150
 151 static void process_args(int argc, char **argv)
 152 {
 153         char *ptr;
 154         int type = IH_TYPE_INVALID;
 155         char *datafile = NULL;
 156         int opt;
 157
 158         while ((opt = getopt(argc, argv,
 159                    "a:A:b:B:c:C:d:D:e:Ef:FG:k:i:K:ln:N:p:o:O:rR:qstT:vVx")) != -1) {
 160                 switch (opt) {
 161                 case 'a':
 162                         params.addr = strtoull(optarg, &ptr, 16);
 163                         if (*ptr) {
 164                                 fprintf(stderr, "%s: invalid load address %s\n",
 165                                         params.cmdname, optarg);
 166                                 exit(EXIT_FAILURE);
 167                         }
 168                         break;
 169                 case 'A':
 170                         params.arch = genimg_get_arch_id(optarg);
 171                         if (params.arch < 0) {
 172                                 show_valid_options(IH_ARCH);
 173                                 usage("Invalid architecture");
 174                         }
 175                         params.Aflag = 1;
 176                         break;
 177                 case 'b':
 178                         if (add_content(IH_TYPE_FLATDT, optarg)) {
 179                                 fprintf(stderr,
 180                                         "%s: Out of memory adding content '%s'",
 181                                         params.cmdname, optarg);
 182                                 exit(EXIT_FAILURE);
 183                         }
 184                         break;
 185                 case 'B':
 186                         params.bl_len = strtoull(optarg, &ptr, 16);
 187                         if (*ptr) {
 188                                 fprintf(stderr, "%s: invalid block length %s\n",
 189                                         params.cmdname, optarg);
 190                                 exit(EXIT_FAILURE);
 191                         }
 192
 193                         break;
 194                 case 'c':
 195                         params.comment = optarg;
 196                         break;
 197                 case 'C':
 198                         params.comp = genimg_get_comp_id(optarg);
 199                         if (params.comp < 0) {
 200                                 show_valid_options(IH_COMP);
 201                                 usage("Invalid compression type");
 202                         }
 203                         break;
 204                 case 'd':
 205                         params.datafile = optarg;
 206                         params.dflag = 1;
 207                         break;
 208                 case 'D':
 209                         params.dtc = optarg;
 210                         break;
 211                 case 'e':
 212                         params.ep = strtoull(optarg, &ptr, 16);
 213                         if (*ptr) {
 214                                 fprintf(stderr, "%s: invalid entry point %s\n",
 215                                         params.cmdname, optarg);
 216                                 exit(EXIT_FAILURE);
 217                         }
 218                         params.eflag = 1;
 219                         break;
 220                 case 'E':
 221                         params.external_data = true;
 222                         break;
 223                 case 'f':
 224                         datafile = optarg;
 225                         params.auto_its = !strcmp(datafile, "auto");
 226                         /* fallthrough */
 227                 case 'F':
 228                         /*
 229                          * The flattened image tree (FIT) format
 230                          * requires a flattened device tree image type
 231                          */
 232                         params.type = IH_TYPE_FLATDT;
 233                         params.fflag = 1;
 234                         break;
 235                 case 'G':
 236                         params.keyfile = optarg;
 237                         break;
 238                 case 'i':
 239                         params.fit_ramdisk = optarg;
 240                         break;
 241                 case 'k':
 242                         params.keydir = optarg;
 243                         break;
 244                 case 'K':
 245                         params.keydest = optarg;
 246                         break;
 247                 case 'l':
 248                         params.lflag = 1;
 249                         break;
 250                 case 'n':
 251                         params.imagename = optarg;
 252                         break;
 253                 case 'N':
 254                         params.engine_id = optarg;
 255                         break;
 256                 case 'o':
 257                         params.algo_name = optarg;
 258                         break;
 259                 case 'O':
 260                         params.os = genimg_get_os_id(optarg);
 261                         if (params.os < 0) {
 262                                 show_valid_options(IH_OS);
 263                                 usage("Invalid operating system");
 264                         }
 265                         break;
 266                 case 'p':
 267                         params.external_offset = strtoull(optarg, &ptr, 16);
 268                         if (*ptr) {
 269                                 fprintf(stderr, "%s: invalid offset size %s\n",
 270                                         params.cmdname, optarg);
 271                                 exit(EXIT_FAILURE);
 272                         }
 273                         break;
 274                 case 'q':
 275                         params.quiet = 1;
 276                         break;
 277                 case 'r':
 278                         params.require_keys = 1;
 279                         break;
 280                 case 'R':
 281                         /*
 282                          * This entry is for the second configuration
 283                          * file, if only one is not enough.
 284                          */
 285                         params.imagename2 = optarg;
 286                         break;
 287                 case 's':
 288                         params.skipcpy = 1;
 289                         break;
 290                 case 't':
 291                         params.reset_timestamp = 1;
 292                         break;
 293                 case 'T':
 294                         if (strcmp(optarg, "list") == 0) {
 295                                 show_valid_options(IH_TYPE);
 296                                 exit(EXIT_SUCCESS);
 297                         }
 298                         type = genimg_get_type_id(optarg);
 299                         if (type < 0) {
 300                                 show_valid_options(IH_TYPE);
 301                                 usage("Invalid image type");
 302                         }
 303                         break;
 304                 case 'v':
 305                         params.vflag++;
 306                         break;
 307                 case 'V':
 308                         printf("mkimage version %s\n", PLAIN_VERSION);
 309                         exit(EXIT_SUCCESS);
 310                 case 'x':
 311                         params.xflag++;
 312                         break;
 313                 default:
 314                         usage("Invalid option");
 315                 }
 316         }
 317
 318         /* The last parameter is expected to be the imagefile */
 319         if (optind < argc)
 320                 params.imagefile = argv[optind];
 321
 322         /*
 323          * For auto-generated FIT images we need to know the image type to put
 324          * in the FIT, which is separate from the file's image type (which
 325          * will always be IH_TYPE_FLATDT in this case).
 326          */
 327         if (params.type == IH_TYPE_FLATDT) {
 328                 params.fit_image_type = type ? type : IH_TYPE_KERNEL;
 329                 /* For auto_its, datafile is always 'auto' */
 330                 if (!params.auto_its)
 331                         params.datafile = datafile;
 332                 else if (!params.datafile)
 333                         usage("Missing data file for auto-FIT (use -d)");
 334         } else if (params.lflag || type != IH_TYPE_INVALID) {
 335                 if (type == IH_TYPE_SCRIPT && !params.datafile)
 336                         usage("Missing data file for script (use -d)");
 337                 params.type = type;
 338         }
 339
 340         if (!params.imagefile)
 341                 usage("Missing output filename");
 342 }
 343
 344 static void verify_image(const struct image_type_params *tparams)
 345 {
 346         struct stat sbuf;
 347         void *ptr;
 348         int ifd;
 349
 350         ifd = open(params.imagefile, O_RDONLY | O_BINARY);
 351         if (ifd < 0) {
 352                 fprintf(stderr, "%s: Can't open %s: %s\n",
 353                         params.cmdname, params.imagefile,
 354                         strerror(errno));
 355                 exit(EXIT_FAILURE);
 356         }
 357
 358         if (fstat(ifd, &sbuf) < 0) {
 359                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 360                         params.cmdname, params.imagefile, strerror(errno));
 361                 exit(EXIT_FAILURE);
 362         }
 363         params.file_size = sbuf.st_size;
 364
 365         ptr = mmap(0, params.file_size, PROT_READ, MAP_SHARED, ifd, 0);
 366         if (ptr == MAP_FAILED) {
 367                 fprintf(stderr, "%s: Can't map %s: %s\n",
 368                         params.cmdname, params.imagefile, strerror(errno));
 369                 exit(EXIT_FAILURE);
 370         }
 371
 372         if (tparams->verify_header((unsigned char *)ptr, params.file_size, &params) != 0) {
 373                 fprintf(stderr, "%s: Failed to verify header of %s\n",
 374                         params.cmdname, params.imagefile);
 375                 exit(EXIT_FAILURE);
 376         }
 377
 378         (void)munmap(ptr, params.file_size);
 379         (void)close(ifd);
 380 }
 381
 382 int main(int argc, char **argv)
 383 {
 384         int ifd = -1;
 385         struct stat sbuf;
 386         char *ptr;
 387         int retval = 0;
 388         struct image_type_params *tparams = NULL;
 389         int pad_len = 0;
 390         int dfd;
 391         size_t map_len;
 392
 393         params.cmdname = *argv;
 394         params.addr = 0;
 395         params.ep = 0;
 396
 397         process_args(argc, argv);
 398
 399         /* set tparams as per input type_id */
 400         tparams = imagetool_get_type(params.type);
 401         if (tparams == NULL && !params.lflag) {
 402                 fprintf (stderr, "%s: unsupported type %s\n",
 403                         params.cmdname, genimg_get_type_name(params.type));
 404                 exit (EXIT_FAILURE);
 405         }
 406
 407         /*
 408          * check the passed arguments parameters meets the requirements
 409          * as per image type to be generated/listed
 410          */
 411         if (tparams && tparams->check_params)
 412                 if (tparams->check_params (&params))
 413                         usage("Bad parameters for image type");
 414
 415         if (!params.eflag) {
 416                 params.ep = params.addr;
 417                 /* If XIP, entry point must be after the U-Boot header */
 418                 if (params.xflag && tparams)
 419                         params.ep += tparams->header_size;
 420         }
 421
 422         if (params.fflag){
 423                 if (!tparams) {
 424                         fprintf(stderr, "%s: Missing FIT support\n",
 425                                 params.cmdname);
 426                         exit (EXIT_FAILURE);
 427                 }
 428                 if (tparams->fflag_handle)
 429                         /*
 430                          * in some cases, some additional processing needs
 431                          * to be done if fflag is defined
 432                          *
 433                          * For ex. fit_handle_file for Fit file support
 434                          */
 435                         retval = tparams->fflag_handle(&params);
 436
 437                 if (retval != EXIT_SUCCESS)
 438                         usage("Bad parameters for FIT image type");
 439         }
 440
 441         if (params.lflag || params.fflag) {
 442                 ifd = open (params.imagefile, O_RDONLY|O_BINARY);
 443         } else {
 444                 ifd = open (params.imagefile,
 445                         O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
 446         }
 447
 448         if (ifd < 0) {
 449                 fprintf (stderr, "%s: Can't open %s: %s\n",
 450                         params.cmdname, params.imagefile,
 451                         strerror(errno));
 452                 exit (EXIT_FAILURE);
 453         }
 454
 455         if (params.lflag || params.fflag) {
 456                 uint64_t size;
 457                 /*
 458                  * list header information of existing image
 459                  */
 460                 if (fstat(ifd, &sbuf) < 0) {
 461                         fprintf (stderr, "%s: Can't stat %s: %s\n",
 462                                 params.cmdname, params.imagefile,
 463                                 strerror(errno));
 464                         exit (EXIT_FAILURE);
 465                 }
 466
 467                 if ((sbuf.st_mode & S_IFMT) == S_IFBLK) {
 468 #ifdef __linux__
 469 #if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64)
 470 #define BLKGETSIZE64 _IOR(0x12,114,size_t)      /* return device size in bytes (u64 *arg) */
 471 #endif
 472                         if (ioctl(ifd, BLKGETSIZE64, &size) < 0) {
 473                                 fprintf (stderr,
 474                                         "%s: failed to get size of block device \"%s\"\n",
 475                                         params.cmdname, params.imagefile);
 476                                 exit (EXIT_FAILURE);
 477                         }
 478 #else
 479                         fprintf (stderr,
 480                                 "%s: \"%s\" is block device, don't know how to get its size\n",
 481                                 params.cmdname, params.imagefile);
 482                         exit (EXIT_FAILURE);
 483 #endif
 484                 } else if (tparams && sbuf.st_size < (off_t)tparams->header_size) {
 485                         fprintf (stderr,
 486                                 "%s: Bad size: \"%s\" is not valid image: size %llu < %u\n",
 487                                 params.cmdname, params.imagefile,
 488                                 (unsigned long long) sbuf.st_size,
 489                                 tparams->header_size);
 490                         exit (EXIT_FAILURE);
 491                 } else {
 492                         size = sbuf.st_size;
 493                 }
 494
 495                 ptr = mmap(0, size, PROT_READ, MAP_SHARED, ifd, 0);
 496                 if (ptr == MAP_FAILED) {
 497                         fprintf (stderr, "%s: Can't read %s: %s\n",
 498                                 params.cmdname, params.imagefile,
 499                                 strerror(errno));
 500                         exit (EXIT_FAILURE);
 501                 }
 502
 503                 /*
 504                  * Verifies the header format based on the expected header for image
 505                  * type in tparams. If tparams is NULL simply check all image types
 506                  * to find one that matches our header.
 507                  */
 508                 retval = imagetool_verify_print_header(ptr, &sbuf, tparams, &params);
 509
 510                 (void) munmap((void *)ptr, sbuf.st_size);
 511                 (void) close (ifd);
 512                 if (!retval)
 513                         summary_show(&params.summary, params.imagefile,
 514                                      params.keydest);
 515
 516                 exit (retval);
 517         }
 518
 519         if ((params.type != IH_TYPE_MULTI) && (params.type != IH_TYPE_SCRIPT)) {
 520                 dfd = open(params.datafile, O_RDONLY | O_BINARY);
 521                 if (dfd < 0) {
 522                         fprintf(stderr, "%s: Can't open %s: %s\n",
 523                                 params.cmdname, params.datafile,
 524                                 strerror(errno));
 525                         exit(EXIT_FAILURE);
 526                 }
 527
 528                 if (fstat(dfd, &sbuf) < 0) {
 529                         fprintf(stderr, "%s: Can't stat %s: %s\n",
 530                                 params.cmdname, params.datafile,
 531                                 strerror(errno));
 532                         exit(EXIT_FAILURE);
 533                 }
 534
 535                 params.file_size = sbuf.st_size + tparams->header_size;
 536                 close(dfd);
 537         }
 538
 539         /*
 540          * In case there an header with a variable
 541          * length will be added, the corresponding
 542          * function is called. This is responsible to
 543          * allocate memory for the header itself.
 544          */
 545         if (tparams->vrec_header)
 546                 pad_len = tparams->vrec_header(&params, tparams);
 547         else
 548                 memset(tparams->hdr, 0, tparams->header_size);
 549
 550         if (write(ifd, tparams->hdr, tparams->header_size)
 551                                         != tparams->header_size) {
 552                 fprintf (stderr, "%s: Write error on %s: %s\n",
 553                         params.cmdname, params.imagefile, strerror(errno));
 554                 exit (EXIT_FAILURE);
 555         }
 556
 557         if (!params.skipcpy) {
 558                 if (params.type == IH_TYPE_MULTI ||
 559                     params.type == IH_TYPE_SCRIPT) {
 560                         char *file = params.datafile;
 561                         uint32_t size;
 562
 563                         for (;;) {
 564                                 char *sep = NULL;
 565
 566                                 if (file) {
 567                                         if ((sep = strchr(file, ':')) != NULL) {
 568                                                 *sep = '\0';
 569                                         }
 570
 571                                         if (stat (file, &sbuf) < 0) {
 572                                                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 573                                                          params.cmdname, file, strerror(errno));
 574                                                 exit (EXIT_FAILURE);
 575                                         }
 576                                         size = cpu_to_uimage (sbuf.st_size);
 577                                 } else {
 578                                         size = 0;
 579                                 }
 580
 581                                 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
 582                                         fprintf (stderr, "%s: Write error on %s: %s\n",
 583                                                  params.cmdname, params.imagefile,
 584                                                  strerror(errno));
 585                                         exit (EXIT_FAILURE);
 586                                 }
 587
 588                                 if (!file) {
 589                                         break;
 590                                 }
 591
 592                                 if (sep) {
 593                                         *sep = ':';
 594                                         file = sep + 1;
 595                                 } else {
 596                                         file = NULL;
 597                                 }
 598                         }
 599
 600                         file = params.datafile;
 601
 602                         for (;;) {
 603                                 char *sep = strchr(file, ':');
 604                                 if (sep) {
 605                                         *sep = '\0';
 606                                         copy_file (ifd, file, 1);
 607                                         *sep++ = ':';
 608                                         file = sep;
 609                                 } else {
 610                                         copy_file (ifd, file, 0);
 611                                         break;
 612                                 }
 613                         }
 614                 } else if (params.type == IH_TYPE_PBLIMAGE) {
 615                         /* PBL has special Image format, implements its' own */
 616                         pbl_load_uboot(ifd, &params);
 617                 } else if (params.type == IH_TYPE_ZYNQMPBIF) {
 618                         /* Image file is meta, walk through actual targets */
 619                         int ret;
 620
 621                         ret = zynqmpbif_copy_image(ifd, &params);
 622                         if (ret)
 623                                 return ret;
 624                 } else if (params.type == IH_TYPE_IMX8IMAGE) {
 625                         /* i.MX8/8X has special Image format */
 626                         int ret;
 627
 628                         ret = imx8image_copy_image(ifd, &params);
 629                         if (ret)
 630                                 return ret;
 631                 } else if (params.type == IH_TYPE_IMX8MIMAGE) {
 632                         /* i.MX8M has special Image format */
 633                         int ret;
 634
 635                         ret = imx8mimage_copy_image(ifd, &params);
 636                         if (ret)
 637                                 return ret;
 638                 } else if ((params.type == IH_TYPE_RKSD) ||
 639                                 (params.type == IH_TYPE_RKSPI)) {
 640                         /* Rockchip has special Image format */
 641                         int ret;
 642
 643                         ret = rockchip_copy_image(ifd, &params);
 644                         if (ret)
 645                                 return ret;
 646                 } else {
 647                         copy_file(ifd, params.datafile, pad_len);
 648                 }
 649                 if (params.type == IH_TYPE_FIRMWARE_IVT) {
 650                         /* Add alignment and IVT */
 651                         uint32_t aligned_filesize = ALIGN(params.file_size,
 652                                                           0x1000);
 653                         flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 },
 654                                         params.addr, 0, 0, 0, params.addr
 655                                                         + aligned_filesize
 656                                                         - tparams->header_size,
 657                                         params.addr + aligned_filesize
 658                                                         - tparams->header_size
 659                                                         + 0x20, 0 };
 660                         int i = params.file_size;
 661                         for (; i < aligned_filesize; i++) {
 662                                 if (write(ifd, (char *) &i, 1) != 1) {
 663                                         fprintf(stderr,
 664                                                         "%s: Write error on %s: %s\n",
 665                                                         params.cmdname,
 666                                                         params.imagefile,
 667                                                         strerror(errno));
 668                                         exit(EXIT_FAILURE);
 669                                 }
 670                         }
 671                         if (write(ifd, &ivt_header, sizeof(flash_header_v2_t))
 672                                         != sizeof(flash_header_v2_t)) {
 673                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 674                                                 params.cmdname,
 675                                                 params.imagefile,
 676                                                 strerror(errno));
 677                                 exit(EXIT_FAILURE);
 678                         }
 679                 }
 680         }
 681
 682         /* We're a bit of paranoid */
 683 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 684    !defined(__sun__) && \
 685    !defined(__FreeBSD__) && \
 686    !defined(__OpenBSD__) && \
 687    !defined(__APPLE__)
 688         (void) fdatasync (ifd);
 689 #else
 690         (void) fsync (ifd);
 691 #endif
 692
 693         if (fstat(ifd, &sbuf) < 0) {
 694                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 695                         params.cmdname, params.imagefile, strerror(errno));
 696                 exit (EXIT_FAILURE);
 697         }
 698         params.file_size = sbuf.st_size;
 699
 700         map_len = sbuf.st_size;
 701         ptr = mmap(0, map_len, PROT_READ | PROT_WRITE, MAP_SHARED, ifd, 0);
 702         if (ptr == MAP_FAILED) {
 703                 fprintf (stderr, "%s: Can't map %s: %s\n",
 704                         params.cmdname, params.imagefile, strerror(errno));
 705                 exit (EXIT_FAILURE);
 706         }
 707
 708         /* Setup the image header as per input image type*/
 709         if (tparams->set_header)
 710                 tparams->set_header (ptr, &sbuf, ifd, &params);
 711         else {
 712                 fprintf (stderr, "%s: Can't set header for %s: %s\n",
 713                         params.cmdname, tparams->name, strerror(errno));
 714                 exit (EXIT_FAILURE);
 715         }
 716
 717         /* Print the image information by processing image header */
 718         if (tparams->print_header)
 719                 tparams->print_header (ptr);
 720         else {
 721                 fprintf (stderr, "%s: Can't print header for %s\n",
 722                         params.cmdname, tparams->name);
 723         }
 724
 725         (void)munmap((void *)ptr, map_len);
 726
 727         /* We're a bit of paranoid */
 728 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 729    !defined(__sun__) && \
 730    !defined(__FreeBSD__) && \
 731    !defined(__OpenBSD__) && \
 732    !defined(__APPLE__)
 733         (void) fdatasync (ifd);
 734 #else
 735         (void) fsync (ifd);
 736 #endif
 737
 738         if (close(ifd)) {
 739                 fprintf (stderr, "%s: Write error on %s: %s\n",
 740                         params.cmdname, params.imagefile, strerror(errno));
 741                 exit (EXIT_FAILURE);
 742         }
 743
 744         if (tparams->verify_header)
 745                 verify_image(tparams);
 746
 747         exit (EXIT_SUCCESS);
 748 }
 749
 750 static void
 751 copy_file (int ifd, const char *datafile, int pad)
 752 {
 753         int dfd;
 754         struct stat sbuf;
 755         unsigned char *ptr;
 756         int tail;
 757         int zero = 0;
 758         uint8_t zeros[4096];
 759         int offset = 0;
 760         int size, ret;
 761         struct image_type_params *tparams = imagetool_get_type(params.type);
 762
 763         memset(zeros, 0, sizeof(zeros));
 764
 765         if (params.vflag) {
 766                 fprintf (stderr, "Adding Image %s\n", datafile);
 767         }
 768
 769         if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
 770                 fprintf (stderr, "%s: Can't open %s: %s\n",
 771                         params.cmdname, datafile, strerror(errno));
 772                 exit (EXIT_FAILURE);
 773         }
 774
 775         if (fstat(dfd, &sbuf) < 0) {
 776                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 777                         params.cmdname, datafile, strerror(errno));
 778                 exit (EXIT_FAILURE);
 779         }
 780
 781         if (sbuf.st_size == 0) {
 782                 fprintf (stderr, "%s: Input file %s is empty, bailing out\n",
 783                         params.cmdname, datafile);
 784                 exit (EXIT_FAILURE);
 785         }
 786
 787         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
 788         if (ptr == MAP_FAILED) {
 789                 fprintf (stderr, "%s: Can't read %s: %s\n",
 790                         params.cmdname, datafile, strerror(errno));
 791                 exit (EXIT_FAILURE);
 792         }
 793
 794         if (params.xflag) {
 795                 unsigned char *p = NULL;
 796                 /*
 797                  * XIP: do not append the image_header_t at the
 798                  * beginning of the file, but consume the space
 799                  * reserved for it.
 800                  */
 801
 802                 if ((unsigned)sbuf.st_size < tparams->header_size) {
 803                         fprintf (stderr,
 804                                 "%s: Bad size: \"%s\" is too small for XIP\n",
 805                                 params.cmdname, datafile);
 806                         exit (EXIT_FAILURE);
 807                 }
 808
 809                 for (p = ptr; p < ptr + tparams->header_size; p++) {
 810                         if ( *p != 0xff ) {
 811                                 fprintf (stderr,
 812                                         "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
 813                                         params.cmdname, datafile);
 814                                 exit (EXIT_FAILURE);
 815                         }
 816                 }
 817
 818                 offset = tparams->header_size;
 819         }
 820
 821         size = sbuf.st_size - offset;
 822
 823         ret = write(ifd, ptr + offset, size);
 824         if (ret != size) {
 825                 if (ret < 0)
 826                         fprintf (stderr, "%s: Write error on %s: %s\n",
 827                                  params.cmdname, params.imagefile, strerror(errno));
 828                 else if (ret < size)
 829                         fprintf (stderr, "%s: Write only %d/%d bytes, "\
 830                                  "probably no space left on the device\n",
 831                                  params.cmdname, ret, size);
 832                 exit (EXIT_FAILURE);
 833         }
 834
 835         tail = size % 4;
 836         if ((pad == 1) && (tail != 0)) {
 837
 838                 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
 839                         fprintf (stderr, "%s: Write error on %s: %s\n",
 840                                 params.cmdname, params.imagefile,
 841                                 strerror(errno));
 842                         exit (EXIT_FAILURE);
 843                 }
 844         } else if (pad > 1) {
 845                 while (pad > 0) {
 846                         int todo = sizeof(zeros);
 847
 848                         if (todo > pad)
 849                                 todo = pad;
 850                         if (write(ifd, (char *)&zeros, todo) != todo) {
 851                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 852                                         params.cmdname, params.imagefile,
 853                                         strerror(errno));
 854                                 exit(EXIT_FAILURE);
 855                         }
 856                         pad -= todo;
 857                 }
 858         }
 859
 860         (void) munmap((void *)ptr, sbuf.st_size);
 861         (void) close (dfd);
 862 }