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                          "          -q ==> quiet\n",
  89                 params.cmdname);
  90         fprintf(stderr,
  91                 "       %s [-x] -A arch -O os -T type -C comp -a addr -e ep -n name -d data_file[:data_file...] image\n"
  92                 "          -A ==> set architecture to 'arch'\n"
  93                 "          -O ==> set operating system to 'os'\n"
  94                 "          -T ==> set image type to 'type'\n"
  95                 "          -C ==> set compression type 'comp'\n"
  96                 "          -a ==> set load address to 'addr' (hex)\n"
  97                 "          -e ==> set entry point to 'ep' (hex)\n"
  98                 "          -n ==> set image name to 'name'\n"
  99                 "          -R ==> set second image name to 'name'\n"
 100                 "          -d ==> use image data from 'datafile'\n"
 101                 "          -x ==> set XIP (execute in place)\n"
 102                 "          -s ==> create an image with no data\n"
 103                 "          -v ==> verbose\n",
 104                 params.cmdname);
 105         fprintf(stderr,
 106                 "       %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"
 107                 "           <dtb> file is used with -f auto, it may occur multiple times.\n",
 108                 params.cmdname);
 109         fprintf(stderr,
 110                 "          -D => set all options for device tree compiler\n"
 111                 "          -f => input filename for FIT source\n"
 112                 "          -i => input filename for ramdisk file\n"
 113                 "          -E => place data outside of the FIT structure\n"
 114                 "          -B => align size in hex for FIT structure and header\n"
 115                 "          -b => append the device tree binary to the FIT\n"
 116                 "          -t => update the timestamp in the FIT\n");
 117 #ifdef CONFIG_FIT_SIGNATURE
 118         fprintf(stderr,
 119                 "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>] [-p addr] [-r] [-N engine]\n"
 120                 "          -k => set directory containing private keys\n"
 121                 "          -K => write public keys to this .dtb file\n"
 122                 "          -G => use this signing key (in lieu of -k)\n"
 123                 "          -c => add comment in signature node\n"
 124                 "          -F => re-sign existing FIT image\n"
 125                 "          -p => place external data at a static position\n"
 126                 "          -r => mark keys used as 'required' in dtb\n"
 127                 "          -N => openssl engine to use for signing\n"
 128                 "          -o => algorithm to use for signing\n");
 129 #else
 130         fprintf(stderr,
 131                 "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
 132 #endif
 133         fprintf(stderr, "       %s -V ==> print version information and exit\n",
 134                 params.cmdname);
 135         fprintf(stderr, "Use '-T list' to see a list of available image types\n");
 136
 137         exit(EXIT_FAILURE);
 138 }
 139
 140 static int add_content(int type, const char *fname)
 141 {
 142         struct content_info *cont;
 143
 144         cont = calloc(1, sizeof(*cont));
 145         if (!cont)
 146                 return -1;
 147         cont->type = type;
 148         cont->fname = fname;
 149         if (params.content_tail)
 150                 params.content_tail->next = cont;
 151         else
 152                 params.content_head = cont;
 153         params.content_tail = cont;
 154
 155         return 0;
 156 }
 157
 158 static void process_args(int argc, char **argv)
 159 {
 160         char *ptr;
 161         int type = IH_TYPE_INVALID;
 162         char *datafile = NULL;
 163         int opt;
 164
 165         while ((opt = getopt(argc, argv,
 166                    "a:A:b:B:c:C:d:D:e:Ef:FG:k:i:K:ln:N:p:o:O:rR:qstT:vVx")) != -1) {
 167                 switch (opt) {
 168                 case 'a':
 169                         params.addr = strtoull(optarg, &ptr, 16);
 170                         if (*ptr) {
 171                                 fprintf(stderr, "%s: invalid load address %s\n",
 172                                         params.cmdname, optarg);
 173                                 exit(EXIT_FAILURE);
 174                         }
 175                         break;
 176                 case 'A':
 177                         params.arch = genimg_get_arch_id(optarg);
 178                         if (params.arch < 0) {
 179                                 show_valid_options(IH_ARCH);
 180                                 usage("Invalid architecture");
 181                         }
 182                         params.Aflag = 1;
 183                         break;
 184                 case 'b':
 185                         if (add_content(IH_TYPE_FLATDT, optarg)) {
 186                                 fprintf(stderr,
 187                                         "%s: Out of memory adding content '%s'",
 188                                         params.cmdname, optarg);
 189                                 exit(EXIT_FAILURE);
 190                         }
 191                         break;
 192                 case 'B':
 193                         params.bl_len = strtoull(optarg, &ptr, 16);
 194                         if (*ptr) {
 195                                 fprintf(stderr, "%s: invalid block length %s\n",
 196                                         params.cmdname, optarg);
 197                                 exit(EXIT_FAILURE);
 198                         }
 199
 200                         break;
 201                 case 'c':
 202                         params.comment = optarg;
 203                         break;
 204                 case 'C':
 205                         params.comp = genimg_get_comp_id(optarg);
 206                         if (params.comp < 0) {
 207                                 show_valid_options(IH_COMP);
 208                                 usage("Invalid compression type");
 209                         }
 210                         break;
 211                 case 'd':
 212                         params.datafile = optarg;
 213                         params.dflag = 1;
 214                         break;
 215                 case 'D':
 216                         params.dtc = optarg;
 217                         break;
 218                 case 'e':
 219                         params.ep = strtoull(optarg, &ptr, 16);
 220                         if (*ptr) {
 221                                 fprintf(stderr, "%s: invalid entry point %s\n",
 222                                         params.cmdname, optarg);
 223                                 exit(EXIT_FAILURE);
 224                         }
 225                         params.eflag = 1;
 226                         break;
 227                 case 'E':
 228                         params.external_data = true;
 229                         break;
 230                 case 'f':
 231                         datafile = optarg;
 232                         params.auto_its = !strcmp(datafile, "auto");
 233                         /* fallthrough */
 234                 case 'F':
 235                         /*
 236                          * The flattened image tree (FIT) format
 237                          * requires a flattened device tree image type
 238                          */
 239                         params.type = IH_TYPE_FLATDT;
 240                         params.fflag = 1;
 241                         break;
 242                 case 'G':
 243                         params.keyfile = optarg;
 244                         break;
 245                 case 'i':
 246                         params.fit_ramdisk = optarg;
 247                         break;
 248                 case 'k':
 249                         params.keydir = optarg;
 250                         break;
 251                 case 'K':
 252                         params.keydest = optarg;
 253                         break;
 254                 case 'l':
 255                         params.lflag = 1;
 256                         break;
 257                 case 'n':
 258                         params.imagename = optarg;
 259                         break;
 260                 case 'N':
 261                         params.engine_id = optarg;
 262                         break;
 263                 case 'o':
 264                         params.algo_name = optarg;
 265                         break;
 266                 case 'O':
 267                         params.os = genimg_get_os_id(optarg);
 268                         if (params.os < 0) {
 269                                 show_valid_options(IH_OS);
 270                                 usage("Invalid operating system");
 271                         }
 272                         break;
 273                 case 'p':
 274                         params.external_offset = strtoull(optarg, &ptr, 16);
 275                         if (*ptr) {
 276                                 fprintf(stderr, "%s: invalid offset size %s\n",
 277                                         params.cmdname, optarg);
 278                                 exit(EXIT_FAILURE);
 279                         }
 280                         break;
 281                 case 'q':
 282                         params.quiet = 1;
 283                         break;
 284                 case 'r':
 285                         params.require_keys = 1;
 286                         break;
 287                 case 'R':
 288                         /*
 289                          * This entry is for the second configuration
 290                          * file, if only one is not enough.
 291                          */
 292                         params.imagename2 = optarg;
 293                         break;
 294                 case 's':
 295                         params.skipcpy = 1;
 296                         break;
 297                 case 't':
 298                         params.reset_timestamp = 1;
 299                         break;
 300                 case 'T':
 301                         if (strcmp(optarg, "list") == 0) {
 302                                 show_valid_options(IH_TYPE);
 303                                 exit(EXIT_SUCCESS);
 304                         }
 305                         type = genimg_get_type_id(optarg);
 306                         if (type < 0) {
 307                                 show_valid_options(IH_TYPE);
 308                                 usage("Invalid image type");
 309                         }
 310                         break;
 311                 case 'v':
 312                         params.vflag++;
 313                         break;
 314                 case 'V':
 315                         printf("mkimage version %s\n", PLAIN_VERSION);
 316                         exit(EXIT_SUCCESS);
 317                 case 'x':
 318                         params.xflag++;
 319                         break;
 320                 default:
 321                         usage("Invalid option");
 322                 }
 323         }
 324
 325         /* The last parameter is expected to be the imagefile */
 326         if (optind < argc)
 327                 params.imagefile = argv[optind];
 328
 329         /*
 330          * For auto-generated FIT images we need to know the image type to put
 331          * in the FIT, which is separate from the file's image type (which
 332          * will always be IH_TYPE_FLATDT in this case).
 333          */
 334         if (params.type == IH_TYPE_FLATDT) {
 335                 params.fit_image_type = type ? type : IH_TYPE_KERNEL;
 336                 /* For auto_its, datafile is always 'auto' */
 337                 if (!params.auto_its)
 338                         params.datafile = datafile;
 339                 else if (!params.datafile)
 340                         usage("Missing data file for auto-FIT (use -d)");
 341         } else if (params.lflag || type != IH_TYPE_INVALID) {
 342                 if (type == IH_TYPE_SCRIPT && !params.datafile)
 343                         usage("Missing data file for script (use -d)");
 344                 params.type = type;
 345         }
 346
 347         if (!params.imagefile)
 348                 usage("Missing output filename");
 349 }
 350
 351 static void verify_image(const struct image_type_params *tparams)
 352 {
 353         struct stat sbuf;
 354         void *ptr;
 355         int ifd;
 356
 357         ifd = open(params.imagefile, O_RDONLY | O_BINARY);
 358         if (ifd < 0) {
 359                 fprintf(stderr, "%s: Can't open %s: %s\n",
 360                         params.cmdname, params.imagefile,
 361                         strerror(errno));
 362                 exit(EXIT_FAILURE);
 363         }
 364
 365         if (fstat(ifd, &sbuf) < 0) {
 366                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 367                         params.cmdname, params.imagefile, strerror(errno));
 368                 exit(EXIT_FAILURE);
 369         }
 370         params.file_size = sbuf.st_size;
 371
 372         ptr = mmap(0, params.file_size, PROT_READ, MAP_SHARED, ifd, 0);
 373         if (ptr == MAP_FAILED) {
 374                 fprintf(stderr, "%s: Can't map %s: %s\n",
 375                         params.cmdname, params.imagefile, strerror(errno));
 376                 exit(EXIT_FAILURE);
 377         }
 378
 379         if (tparams->verify_header((unsigned char *)ptr, params.file_size, &params) != 0) {
 380                 fprintf(stderr, "%s: Failed to verify header of %s\n",
 381                         params.cmdname, params.imagefile);
 382                 exit(EXIT_FAILURE);
 383         }
 384
 385         (void)munmap(ptr, params.file_size);
 386         (void)close(ifd);
 387 }
 388
 389 int main(int argc, char **argv)
 390 {
 391         int ifd = -1;
 392         struct stat sbuf;
 393         char *ptr;
 394         int retval = 0;
 395         struct image_type_params *tparams = NULL;
 396         int pad_len = 0;
 397         int dfd;
 398         size_t map_len;
 399
 400         params.cmdname = *argv;
 401         params.addr = 0;
 402         params.ep = 0;
 403
 404         process_args(argc, argv);
 405
 406         /* set tparams as per input type_id */
 407         tparams = imagetool_get_type(params.type);
 408         if (tparams == NULL && !params.lflag) {
 409                 fprintf (stderr, "%s: unsupported type %s\n",
 410                         params.cmdname, genimg_get_type_name(params.type));
 411                 exit (EXIT_FAILURE);
 412         }
 413
 414         /*
 415          * check the passed arguments parameters meets the requirements
 416          * as per image type to be generated/listed
 417          */
 418         if (tparams && tparams->check_params)
 419                 if (tparams->check_params (&params))
 420                         usage("Bad parameters for image type");
 421
 422         if (!params.eflag) {
 423                 params.ep = params.addr;
 424                 /* If XIP, entry point must be after the U-Boot header */
 425                 if (params.xflag && tparams)
 426                         params.ep += tparams->header_size;
 427         }
 428
 429         if (params.fflag){
 430                 if (!tparams) {
 431                         fprintf(stderr, "%s: Missing FIT support\n",
 432                                 params.cmdname);
 433                         exit (EXIT_FAILURE);
 434                 }
 435                 if (tparams->fflag_handle)
 436                         /*
 437                          * in some cases, some additional processing needs
 438                          * to be done if fflag is defined
 439                          *
 440                          * For ex. fit_handle_file for Fit file support
 441                          */
 442                         retval = tparams->fflag_handle(&params);
 443
 444                 if (retval != EXIT_SUCCESS)
 445                         usage("Bad parameters for FIT image type");
 446         }
 447
 448         if (params.lflag || params.fflag) {
 449                 ifd = open (params.imagefile, O_RDONLY|O_BINARY);
 450         } else {
 451                 ifd = open (params.imagefile,
 452                         O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
 453         }
 454
 455         if (ifd < 0) {
 456                 fprintf (stderr, "%s: Can't open %s: %s\n",
 457                         params.cmdname, params.imagefile,
 458                         strerror(errno));
 459                 exit (EXIT_FAILURE);
 460         }
 461
 462         if (params.lflag || params.fflag) {
 463                 uint64_t size;
 464                 /*
 465                  * list header information of existing image
 466                  */
 467                 if (fstat(ifd, &sbuf) < 0) {
 468                         fprintf (stderr, "%s: Can't stat %s: %s\n",
 469                                 params.cmdname, params.imagefile,
 470                                 strerror(errno));
 471                         exit (EXIT_FAILURE);
 472                 }
 473
 474                 if ((sbuf.st_mode & S_IFMT) == S_IFBLK) {
 475 #ifdef __linux__
 476 #if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64)
 477 #define BLKGETSIZE64 _IOR(0x12,114,size_t)      /* return device size in bytes (u64 *arg) */
 478 #endif
 479                         if (ioctl(ifd, BLKGETSIZE64, &size) < 0) {
 480                                 fprintf (stderr,
 481                                         "%s: failed to get size of block device \"%s\"\n",
 482                                         params.cmdname, params.imagefile);
 483                                 exit (EXIT_FAILURE);
 484                         }
 485 #else
 486                         fprintf (stderr,
 487                                 "%s: \"%s\" is block device, don't know how to get its size\n",
 488                                 params.cmdname, params.imagefile);
 489                         exit (EXIT_FAILURE);
 490 #endif
 491                 } else if (tparams && sbuf.st_size < (off_t)tparams->header_size) {
 492                         fprintf (stderr,
 493                                 "%s: Bad size: \"%s\" is not valid image: size %llu < %u\n",
 494                                 params.cmdname, params.imagefile,
 495                                 (unsigned long long) sbuf.st_size,
 496                                 tparams->header_size);
 497                         exit (EXIT_FAILURE);
 498                 } else {
 499                         size = sbuf.st_size;
 500                 }
 501
 502                 ptr = mmap(0, size, PROT_READ, MAP_SHARED, ifd, 0);
 503                 if (ptr == MAP_FAILED) {
 504                         fprintf (stderr, "%s: Can't read %s: %s\n",
 505                                 params.cmdname, params.imagefile,
 506                                 strerror(errno));
 507                         exit (EXIT_FAILURE);
 508                 }
 509
 510                 /*
 511                  * Verifies the header format based on the expected header for image
 512                  * type in tparams. If tparams is NULL simply check all image types
 513                  * to find one that matches our header.
 514                  */
 515                 retval = imagetool_verify_print_header(ptr, &sbuf, tparams, &params);
 516
 517                 (void) munmap((void *)ptr, sbuf.st_size);
 518                 (void) close (ifd);
 519                 if (!retval)
 520                         summary_show(&params.summary, params.imagefile,
 521                                      params.keydest);
 522
 523                 exit (retval);
 524         }
 525
 526         if ((params.type != IH_TYPE_MULTI) && (params.type != IH_TYPE_SCRIPT)) {
 527                 dfd = open(params.datafile, O_RDONLY | O_BINARY);
 528                 if (dfd < 0) {
 529                         fprintf(stderr, "%s: Can't open %s: %s\n",
 530                                 params.cmdname, params.datafile,
 531                                 strerror(errno));
 532                         exit(EXIT_FAILURE);
 533                 }
 534
 535                 if (fstat(dfd, &sbuf) < 0) {
 536                         fprintf(stderr, "%s: Can't stat %s: %s\n",
 537                                 params.cmdname, params.datafile,
 538                                 strerror(errno));
 539                         exit(EXIT_FAILURE);
 540                 }
 541
 542                 params.file_size = sbuf.st_size + tparams->header_size;
 543                 close(dfd);
 544         }
 545
 546         /*
 547          * In case there an header with a variable
 548          * length will be added, the corresponding
 549          * function is called. This is responsible to
 550          * allocate memory for the header itself.
 551          */
 552         if (tparams->vrec_header)
 553                 pad_len = tparams->vrec_header(&params, tparams);
 554         else
 555                 memset(tparams->hdr, 0, tparams->header_size);
 556
 557         if (write(ifd, tparams->hdr, tparams->header_size)
 558                                         != tparams->header_size) {
 559                 fprintf (stderr, "%s: Write error on %s: %s\n",
 560                         params.cmdname, params.imagefile, strerror(errno));
 561                 exit (EXIT_FAILURE);
 562         }
 563
 564         if (!params.skipcpy) {
 565                 if (params.type == IH_TYPE_MULTI ||
 566                     params.type == IH_TYPE_SCRIPT) {
 567                         char *file = params.datafile;
 568                         uint32_t size;
 569
 570                         for (;;) {
 571                                 char *sep = NULL;
 572
 573                                 if (file) {
 574                                         if ((sep = strchr(file, ':')) != NULL) {
 575                                                 *sep = '\0';
 576                                         }
 577
 578                                         if (stat (file, &sbuf) < 0) {
 579                                                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 580                                                          params.cmdname, file, strerror(errno));
 581                                                 exit (EXIT_FAILURE);
 582                                         }
 583                                         size = cpu_to_uimage (sbuf.st_size);
 584                                 } else {
 585                                         size = 0;
 586                                 }
 587
 588                                 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
 589                                         fprintf (stderr, "%s: Write error on %s: %s\n",
 590                                                  params.cmdname, params.imagefile,
 591                                                  strerror(errno));
 592                                         exit (EXIT_FAILURE);
 593                                 }
 594
 595                                 if (!file) {
 596                                         break;
 597                                 }
 598
 599                                 if (sep) {
 600                                         *sep = ':';
 601                                         file = sep + 1;
 602                                 } else {
 603                                         file = NULL;
 604                                 }
 605                         }
 606
 607                         file = params.datafile;
 608
 609                         for (;;) {
 610                                 char *sep = strchr(file, ':');
 611                                 if (sep) {
 612                                         *sep = '\0';
 613                                         copy_file (ifd, file, 1);
 614                                         *sep++ = ':';
 615                                         file = sep;
 616                                 } else {
 617                                         copy_file (ifd, file, 0);
 618                                         break;
 619                                 }
 620                         }
 621                 } else if (params.type == IH_TYPE_PBLIMAGE) {
 622                         /* PBL has special Image format, implements its' own */
 623                         pbl_load_uboot(ifd, &params);
 624                 } else if (params.type == IH_TYPE_ZYNQMPBIF) {
 625                         /* Image file is meta, walk through actual targets */
 626                         int ret;
 627
 628                         ret = zynqmpbif_copy_image(ifd, &params);
 629                         if (ret)
 630                                 return ret;
 631                 } else if (params.type == IH_TYPE_IMX8IMAGE) {
 632                         /* i.MX8/8X has special Image format */
 633                         int ret;
 634
 635                         ret = imx8image_copy_image(ifd, &params);
 636                         if (ret)
 637                                 return ret;
 638                 } else if (params.type == IH_TYPE_IMX8MIMAGE) {
 639                         /* i.MX8M has special Image format */
 640                         int ret;
 641
 642                         ret = imx8mimage_copy_image(ifd, &params);
 643                         if (ret)
 644                                 return ret;
 645                 } else if ((params.type == IH_TYPE_RKSD) ||
 646                                 (params.type == IH_TYPE_RKSPI)) {
 647                         /* Rockchip has special Image format */
 648                         int ret;
 649
 650                         ret = rockchip_copy_image(ifd, &params);
 651                         if (ret)
 652                                 return ret;
 653                 } else {
 654                         copy_file(ifd, params.datafile, pad_len);
 655                 }
 656                 if (params.type == IH_TYPE_FIRMWARE_IVT) {
 657                         /* Add alignment and IVT */
 658                         uint32_t aligned_filesize = ALIGN(params.file_size,
 659                                                           0x1000);
 660                         flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 },
 661                                         params.addr, 0, 0, 0, params.addr
 662                                                         + aligned_filesize
 663                                                         - tparams->header_size,
 664                                         params.addr + aligned_filesize
 665                                                         - tparams->header_size
 666                                                         + 0x20, 0 };
 667                         int i = params.file_size;
 668                         for (; i < aligned_filesize; i++) {
 669                                 if (write(ifd, (char *) &i, 1) != 1) {
 670                                         fprintf(stderr,
 671                                                         "%s: Write error on %s: %s\n",
 672                                                         params.cmdname,
 673                                                         params.imagefile,
 674                                                         strerror(errno));
 675                                         exit(EXIT_FAILURE);
 676                                 }
 677                         }
 678                         if (write(ifd, &ivt_header, sizeof(flash_header_v2_t))
 679                                         != sizeof(flash_header_v2_t)) {
 680                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 681                                                 params.cmdname,
 682                                                 params.imagefile,
 683                                                 strerror(errno));
 684                                 exit(EXIT_FAILURE);
 685                         }
 686                 }
 687         }
 688
 689         /* We're a bit of paranoid */
 690 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 691    !defined(__sun__) && \
 692    !defined(__FreeBSD__) && \
 693    !defined(__OpenBSD__) && \
 694    !defined(__APPLE__)
 695         (void) fdatasync (ifd);
 696 #else
 697         (void) fsync (ifd);
 698 #endif
 699
 700         if (fstat(ifd, &sbuf) < 0) {
 701                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 702                         params.cmdname, params.imagefile, strerror(errno));
 703                 exit (EXIT_FAILURE);
 704         }
 705         params.file_size = sbuf.st_size;
 706
 707         map_len = sbuf.st_size;
 708         ptr = mmap(0, map_len, PROT_READ | PROT_WRITE, MAP_SHARED, ifd, 0);
 709         if (ptr == MAP_FAILED) {
 710                 fprintf (stderr, "%s: Can't map %s: %s\n",
 711                         params.cmdname, params.imagefile, strerror(errno));
 712                 exit (EXIT_FAILURE);
 713         }
 714
 715         /* Setup the image header as per input image type*/
 716         if (tparams->set_header)
 717                 tparams->set_header (ptr, &sbuf, ifd, &params);
 718         else {
 719                 fprintf (stderr, "%s: Can't set header for %s: %s\n",
 720                         params.cmdname, tparams->name, strerror(errno));
 721                 exit (EXIT_FAILURE);
 722         }
 723
 724         /* Print the image information by processing image header */
 725         if (tparams->print_header)
 726                 tparams->print_header (ptr);
 727         else {
 728                 fprintf (stderr, "%s: Can't print header for %s\n",
 729                         params.cmdname, tparams->name);
 730         }
 731
 732         (void)munmap((void *)ptr, map_len);
 733
 734         /* We're a bit of paranoid */
 735 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 736    !defined(__sun__) && \
 737    !defined(__FreeBSD__) && \
 738    !defined(__OpenBSD__) && \
 739    !defined(__APPLE__)
 740         (void) fdatasync (ifd);
 741 #else
 742         (void) fsync (ifd);
 743 #endif
 744
 745         if (close(ifd)) {
 746                 fprintf (stderr, "%s: Write error on %s: %s\n",
 747                         params.cmdname, params.imagefile, strerror(errno));
 748                 exit (EXIT_FAILURE);
 749         }
 750
 751         if (tparams->verify_header)
 752                 verify_image(tparams);
 753
 754         exit (EXIT_SUCCESS);
 755 }
 756
 757 static void
 758 copy_file (int ifd, const char *datafile, int pad)
 759 {
 760         int dfd;
 761         struct stat sbuf;
 762         unsigned char *ptr;
 763         int tail;
 764         int zero = 0;
 765         uint8_t zeros[4096];
 766         int offset = 0;
 767         int size, ret;
 768         struct image_type_params *tparams = imagetool_get_type(params.type);
 769
 770         memset(zeros, 0, sizeof(zeros));
 771
 772         if (params.vflag) {
 773                 fprintf (stderr, "Adding Image %s\n", datafile);
 774         }
 775
 776         if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
 777                 fprintf (stderr, "%s: Can't open %s: %s\n",
 778                         params.cmdname, datafile, strerror(errno));
 779                 exit (EXIT_FAILURE);
 780         }
 781
 782         if (fstat(dfd, &sbuf) < 0) {
 783                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 784                         params.cmdname, datafile, strerror(errno));
 785                 exit (EXIT_FAILURE);
 786         }
 787
 788         if (sbuf.st_size == 0) {
 789                 fprintf (stderr, "%s: Input file %s is empty, bailing out\n",
 790                         params.cmdname, datafile);
 791                 exit (EXIT_FAILURE);
 792         }
 793
 794         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
 795         if (ptr == MAP_FAILED) {
 796                 fprintf (stderr, "%s: Can't read %s: %s\n",
 797                         params.cmdname, datafile, strerror(errno));
 798                 exit (EXIT_FAILURE);
 799         }
 800
 801         if (params.xflag) {
 802                 unsigned char *p = NULL;
 803                 /*
 804                  * XIP: do not append the image_header_t at the
 805                  * beginning of the file, but consume the space
 806                  * reserved for it.
 807                  */
 808
 809                 if ((unsigned)sbuf.st_size < tparams->header_size) {
 810                         fprintf (stderr,
 811                                 "%s: Bad size: \"%s\" is too small for XIP\n",
 812                                 params.cmdname, datafile);
 813                         exit (EXIT_FAILURE);
 814                 }
 815
 816                 for (p = ptr; p < ptr + tparams->header_size; p++) {
 817                         if ( *p != 0xff ) {
 818                                 fprintf (stderr,
 819                                         "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
 820                                         params.cmdname, datafile);
 821                                 exit (EXIT_FAILURE);
 822                         }
 823                 }
 824
 825                 offset = tparams->header_size;
 826         }
 827
 828         size = sbuf.st_size - offset;
 829
 830         ret = write(ifd, ptr + offset, size);
 831         if (ret != size) {
 832                 if (ret < 0)
 833                         fprintf (stderr, "%s: Write error on %s: %s\n",
 834                                  params.cmdname, params.imagefile, strerror(errno));
 835                 else if (ret < size)
 836                         fprintf (stderr, "%s: Write only %d/%d bytes, "\
 837                                  "probably no space left on the device\n",
 838                                  params.cmdname, ret, size);
 839                 exit (EXIT_FAILURE);
 840         }
 841
 842         tail = size % 4;
 843         if ((pad == 1) && (tail != 0)) {
 844
 845                 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
 846                         fprintf (stderr, "%s: Write error on %s: %s\n",
 847                                 params.cmdname, params.imagefile,
 848                                 strerror(errno));
 849                         exit (EXIT_FAILURE);
 850                 }
 851         } else if (pad > 1) {
 852                 while (pad > 0) {
 853                         int todo = sizeof(zeros);
 854
 855                         if (todo > pad)
 856                                 todo = pad;
 857                         if (write(ifd, (char *)&zeros, todo) != todo) {
 858                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 859                                         params.cmdname, params.imagefile,
 860                                         strerror(errno));
 861                                 exit(EXIT_FAILURE);
 862                         }
 863                         pad -= todo;
 864                 }
 865         }
 866
 867         (void) munmap((void *)ptr, sbuf.st_size);
 868         (void) close (dfd);
 869 }