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 <getopt.h>
  15 #include <image.h>
  16 #include <version.h>
  17 #ifdef __linux__
  18 #include <sys/ioctl.h>
  19 #endif
  20
  21 static void copy_file(int, const char *, int);
  22
  23 /* parameters initialized by core will be used by the image type code */
  24 static struct image_tool_params params = {
  25         .os = IH_OS_LINUX,
  26         .arch = IH_ARCH_PPC,
  27         .type = IH_TYPE_KERNEL,
  28         .comp = IH_COMP_GZIP,
  29         .dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
  30         .imagename = "",
  31         .imagename2 = "",
  32 };
  33
  34 static enum ih_category cur_category;
  35
  36 static int h_compare_category_name(const void *vtype1, const void *vtype2)
  37 {
  38         const int *type1 = vtype1;
  39         const int *type2 = vtype2;
  40         const char *name1 = genimg_get_cat_short_name(cur_category, *type1);
  41         const char *name2 = genimg_get_cat_short_name(cur_category, *type2);
  42
  43         return strcmp(name1, name2);
  44 }
  45
  46 static int show_valid_options(enum ih_category category)
  47 {
  48         int *order;
  49         int count;
  50         int item;
  51         int i;
  52
  53         count = genimg_get_cat_count(category);
  54         order = calloc(count, sizeof(*order));
  55         if (!order)
  56                 return -ENOMEM;
  57
  58         /* Sort the names in order of short name for easier reading */
  59         for (i = 0, item = 0; i < count; i++, item++) {
  60                 while (!genimg_cat_has_id(category, item) && i < count) {
  61                         item++;
  62                         count--;
  63                 }
  64                 order[i] = item;
  65         }
  66         cur_category = category;
  67         qsort(order, count, sizeof(int), h_compare_category_name);
  68
  69         fprintf(stderr, "\nInvalid %s, supported are:\n",
  70                 genimg_get_cat_desc(category));
  71         for (i = 0; i < count; i++) {
  72                 item = order[i];
  73                 fprintf(stderr, "\t%-15s  %s\n",
  74                         genimg_get_cat_short_name(category, item),
  75                         genimg_get_cat_name(category, item));
  76         }
  77         fprintf(stderr, "\n");
  78         free(order);
  79
  80         return 0;
  81 }
  82
  83 static void usage(const char *msg)
  84 {
  85         fprintf(stderr, "Error: %s\n", msg);
  86         fprintf(stderr, "Usage: %s [-T type] -l image\n"
  87                          "          -l ==> list image header information\n"
  88                          "          -T ==> parse image file as 'type'\n"
  89                          "          -q ==> quiet\n",
  90                 params.cmdname);
  91         fprintf(stderr,
  92                 "       %s [-x] -A arch -O os -T type -C comp -a addr -e ep -n name -d data_file[:data_file...] image\n"
  93                 "          -A ==> set architecture to 'arch'\n"
  94                 "          -O ==> set operating system to 'os'\n"
  95                 "          -T ==> set image type to 'type'\n"
  96                 "          -C ==> set compression type 'comp'\n"
  97                 "          -a ==> set load address to 'addr' (hex)\n"
  98                 "          -e ==> set entry point to 'ep' (hex)\n"
  99                 "          -n ==> set image name to 'name'\n"
 100                 "          -R ==> set second image name to 'name'\n"
 101                 "          -d ==> use image data from 'datafile'\n"
 102                 "          -x ==> set XIP (execute in place)\n"
 103                 "          -s ==> create an image with no data\n"
 104                 "          -v ==> verbose\n",
 105                 params.cmdname);
 106         fprintf(stderr,
 107                 "       %s [-D dtc_options] [-f fit-image.its|-f auto|-f auto-conf|-F] [-b <dtb> [-b <dtb>]] [-E] [-B size] [-i <ramdisk.cpio.gz>] fit-image\n"
 108                 "           <dtb> file is used with -f auto, it may occur multiple times.\n",
 109                 params.cmdname);
 110         fprintf(stderr,
 111                 "          -D => set all options for device tree compiler\n"
 112                 "          -f => input filename for FIT source\n"
 113                 "          -i => input filename for ramdisk file\n"
 114                 "          -E => place data outside of the FIT structure\n"
 115                 "          -B => align size in hex for FIT structure and header\n"
 116                 "          -b => append the device tree binary to the FIT\n"
 117                 "          -t => update the timestamp in the FIT\n");
 118 #ifdef CONFIG_FIT_SIGNATURE
 119         fprintf(stderr,
 120                 "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>] [-p addr] [-r] [-N engine]\n"
 121                 "          -k => set directory containing private keys\n"
 122                 "          -K => write public keys to this .dtb file\n"
 123                 "          -g => set key name hint\n"
 124                 "          -G => use this signing key (in lieu of -k)\n"
 125                 "          -c => add comment in signature node\n"
 126                 "          -F => re-sign existing FIT image\n"
 127                 "          -p => place external data at a static position\n"
 128                 "          -r => mark keys used as 'required' in dtb\n"
 129                 "          -N => openssl engine to use for signing\n"
 130                 "          -o => algorithm to use for signing\n");
 131 #else
 132         fprintf(stderr,
 133                 "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
 134 #endif
 135         fprintf(stderr, "       %s -V ==> print version information and exit\n",
 136                 params.cmdname);
 137         fprintf(stderr, "Use '-T list' to see a list of available image types\n");
 138         fprintf(stderr, "Long options are available; read the man page for details\n");
 139
 140         exit(EXIT_FAILURE);
 141 }
 142
 143 static int add_content(int type, const char *fname)
 144 {
 145         struct content_info *cont;
 146
 147         cont = calloc(1, sizeof(*cont));
 148         if (!cont)
 149                 return -1;
 150         cont->type = type;
 151         cont->fname = fname;
 152         if (params.content_tail)
 153                 params.content_tail->next = cont;
 154         else
 155                 params.content_head = cont;
 156         params.content_tail = cont;
 157
 158         return 0;
 159 }
 160
 161 static const char optstring[] =
 162         "a:A:b:B:c:C:d:D:e:Ef:Fg:G:i:k:K:ln:N:o:O:p:qrR:stT:vVx";
 163
 164 static const struct option longopts[] = {
 165         { "load-address", required_argument, NULL, 'a' },
 166         { "architecture", required_argument, NULL, 'A' },
 167         { "device-tree", required_argument, NULL, 'b' },
 168         { "alignment", required_argument, NULL, 'B' },
 169         { "comment", required_argument, NULL, 'c' },
 170         { "compression", required_argument, NULL, 'C' },
 171         { "image", required_argument, NULL, 'd' },
 172         { "dtcopts", required_argument, NULL, 'D' },
 173         { "entry-point", required_argument, NULL, 'e' },
 174         { "external", no_argument, NULL, 'E' },
 175         { "fit", required_argument, NULL, 'f' },
 176         { "update", no_argument, NULL, 'F' },
 177         { "key-name-hint", required_argument, NULL, 'g' },
 178         { "key-file", required_argument, NULL, 'G' },
 179         { "help", no_argument, NULL, 'h' },
 180         { "initramfs", required_argument, NULL, 'i' },
 181         { "key-dir", required_argument, NULL, 'k' },
 182         { "key-dest", required_argument, NULL, 'K' },
 183         { "list", no_argument, NULL, 'l' },
 184         { "config", required_argument, NULL, 'n' },
 185         { "engine", required_argument, NULL, 'N' },
 186         { "algo", required_argument, NULL, 'o' },
 187         { "os", required_argument, NULL, 'O' },
 188         { "position", required_argument, NULL, 'p' },
 189         { "quiet", no_argument, NULL, 'q' },
 190         { "key-required", no_argument, NULL, 'r' },
 191         { "secondary-config", required_argument, NULL, 'R' },
 192         { "no-copy", no_argument, NULL, 's' },
 193         { "touch", no_argument, NULL, 't' },
 194         { "type", required_argument, NULL, 'T' },
 195         { "verbose", no_argument, NULL, 'v' },
 196         { "version", no_argument, NULL, 'V' },
 197         { "xip", no_argument, NULL, 'x' },
 198 };
 199
 200 static void process_args(int argc, char **argv)
 201 {
 202         char *ptr;
 203         int type = IH_TYPE_INVALID;
 204         char *datafile = NULL;
 205         int opt;
 206
 207         while ((opt = getopt_long(argc, argv, optstring,
 208                                   longopts, NULL)) != -1) {
 209                 switch (opt) {
 210                 case 'a':
 211                         params.addr = strtoull(optarg, &ptr, 16);
 212                         if (*ptr) {
 213                                 fprintf(stderr, "%s: invalid load address %s\n",
 214                                         params.cmdname, optarg);
 215                                 exit(EXIT_FAILURE);
 216                         }
 217                         break;
 218                 case 'A':
 219                         params.arch = genimg_get_arch_id(optarg);
 220                         if (params.arch < 0) {
 221                                 show_valid_options(IH_ARCH);
 222                                 usage("Invalid architecture");
 223                         }
 224                         params.Aflag = 1;
 225                         break;
 226                 case 'b':
 227                         if (add_content(IH_TYPE_FLATDT, optarg)) {
 228                                 fprintf(stderr,
 229                                         "%s: Out of memory adding content '%s'",
 230                                         params.cmdname, optarg);
 231                                 exit(EXIT_FAILURE);
 232                         }
 233                         break;
 234                 case 'B':
 235                         params.bl_len = strtoull(optarg, &ptr, 16);
 236                         if (*ptr) {
 237                                 fprintf(stderr, "%s: invalid block length %s\n",
 238                                         params.cmdname, optarg);
 239                                 exit(EXIT_FAILURE);
 240                         }
 241
 242                         break;
 243                 case 'c':
 244                         params.comment = optarg;
 245                         break;
 246                 case 'C':
 247                         params.comp = genimg_get_comp_id(optarg);
 248                         if (params.comp < 0) {
 249                                 show_valid_options(IH_COMP);
 250                                 usage("Invalid compression type");
 251                         }
 252                         break;
 253                 case 'd':
 254                         params.datafile = optarg;
 255                         params.dflag = 1;
 256                         break;
 257                 case 'D':
 258                         params.dtc = optarg;
 259                         break;
 260                 case 'e':
 261                         params.ep = strtoull(optarg, &ptr, 16);
 262                         if (*ptr) {
 263                                 fprintf(stderr, "%s: invalid entry point %s\n",
 264                                         params.cmdname, optarg);
 265                                 exit(EXIT_FAILURE);
 266                         }
 267                         params.eflag = 1;
 268                         break;
 269                 case 'E':
 270                         params.external_data = true;
 271                         break;
 272                 case 'f':
 273                         datafile = optarg;
 274                         if (!strcmp(datafile, "auto"))
 275                                 params.auto_fit = AF_HASHED_IMG;
 276                         else if (!strcmp(datafile, "auto-conf"))
 277                                 params.auto_fit = AF_SIGNED_CONF;
 278                         /* fallthrough */
 279                 case 'F':
 280                         /*
 281                          * The flattened image tree (FIT) format
 282                          * requires a flattened device tree image type
 283                          */
 284                         params.type = IH_TYPE_FLATDT;
 285                         params.fflag = 1;
 286                         break;
 287                 case 'g':
 288                         params.keyname = optarg;
 289                         break;
 290                 case 'G':
 291                         params.keyfile = optarg;
 292                         break;
 293                 case 'i':
 294                         params.fit_ramdisk = optarg;
 295                         break;
 296                 case 'k':
 297                         params.keydir = optarg;
 298                         break;
 299                 case 'K':
 300                         params.keydest = optarg;
 301                         break;
 302                 case 'l':
 303                         params.lflag = 1;
 304                         break;
 305                 case 'n':
 306                         params.imagename = optarg;
 307                         break;
 308                 case 'N':
 309                         params.engine_id = optarg;
 310                         break;
 311                 case 'o':
 312                         params.algo_name = optarg;
 313                         break;
 314                 case 'O':
 315                         params.os = genimg_get_os_id(optarg);
 316                         if (params.os < 0) {
 317                                 show_valid_options(IH_OS);
 318                                 usage("Invalid operating system");
 319                         }
 320                         break;
 321                 case 'p':
 322                         params.external_offset = strtoull(optarg, &ptr, 16);
 323                         if (*ptr) {
 324                                 fprintf(stderr, "%s: invalid offset size %s\n",
 325                                         params.cmdname, optarg);
 326                                 exit(EXIT_FAILURE);
 327                         }
 328                         break;
 329                 case 'q':
 330                         params.quiet = 1;
 331                         break;
 332                 case 'r':
 333                         params.require_keys = 1;
 334                         break;
 335                 case 'R':
 336                         /*
 337                          * This entry is for the second configuration
 338                          * file, if only one is not enough.
 339                          */
 340                         params.imagename2 = optarg;
 341                         break;
 342                 case 's':
 343                         params.skipcpy = 1;
 344                         break;
 345                 case 't':
 346                         params.reset_timestamp = 1;
 347                         break;
 348                 case 'T':
 349                         if (strcmp(optarg, "list") == 0) {
 350                                 show_valid_options(IH_TYPE);
 351                                 exit(EXIT_SUCCESS);
 352                         }
 353                         type = genimg_get_type_id(optarg);
 354                         if (type < 0) {
 355                                 show_valid_options(IH_TYPE);
 356                                 usage("Invalid image type");
 357                         }
 358                         break;
 359                 case 'v':
 360                         params.vflag++;
 361                         break;
 362                 case 'V':
 363                         printf("mkimage version %s\n", PLAIN_VERSION);
 364                         exit(EXIT_SUCCESS);
 365                 case 'x':
 366                         params.xflag++;
 367                         break;
 368                 default:
 369                         usage("Invalid option");
 370                 }
 371         }
 372
 373         /* The last parameter is expected to be the imagefile */
 374         if (optind < argc)
 375                 params.imagefile = argv[optind];
 376
 377         if (params.auto_fit == AF_SIGNED_CONF) {
 378                 if (!params.keyname || !params.algo_name)
 379                         usage("Missing key/algo for auto-FIT with signed configs (use -g -o)");
 380         } else if (params.auto_fit == AF_HASHED_IMG && params.keyname) {
 381                 params.auto_fit = AF_SIGNED_IMG;
 382                 if (!params.algo_name)
 383                         usage("Missing algorithm for auto-FIT with signed images (use -g)");
 384         }
 385
 386         /*
 387          * For auto-generated FIT images we need to know the image type to put
 388          * in the FIT, which is separate from the file's image type (which
 389          * will always be IH_TYPE_FLATDT in this case).
 390          */
 391         if (params.type == IH_TYPE_FLATDT) {
 392                 params.fit_image_type = type ? type : IH_TYPE_KERNEL;
 393                 /* For auto-FIT, datafile has to be provided with -d */
 394                 if (!params.auto_fit)
 395                         params.datafile = datafile;
 396                 else if (!params.datafile)
 397                         usage("Missing data file for auto-FIT (use -d)");
 398         } else if (params.lflag || type != IH_TYPE_INVALID) {
 399                 if (type == IH_TYPE_SCRIPT && !params.datafile)
 400                         usage("Missing data file for script (use -d)");
 401                 params.type = type;
 402         }
 403
 404         if (!params.imagefile)
 405                 usage("Missing output filename");
 406 }
 407
 408 static void verify_image(const struct image_type_params *tparams)
 409 {
 410         struct stat sbuf;
 411         void *ptr;
 412         int ifd;
 413
 414         ifd = open(params.imagefile, O_RDONLY | O_BINARY);
 415         if (ifd < 0) {
 416                 fprintf(stderr, "%s: Can't open %s: %s\n",
 417                         params.cmdname, params.imagefile,
 418                         strerror(errno));
 419                 exit(EXIT_FAILURE);
 420         }
 421
 422         if (fstat(ifd, &sbuf) < 0) {
 423                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 424                         params.cmdname, params.imagefile, strerror(errno));
 425                 exit(EXIT_FAILURE);
 426         }
 427         params.file_size = sbuf.st_size;
 428
 429         ptr = mmap(0, params.file_size, PROT_READ, MAP_SHARED, ifd, 0);
 430         if (ptr == MAP_FAILED) {
 431                 fprintf(stderr, "%s: Can't map %s: %s\n",
 432                         params.cmdname, params.imagefile, strerror(errno));
 433                 exit(EXIT_FAILURE);
 434         }
 435
 436         if (tparams->verify_header((unsigned char *)ptr, params.file_size, &params) != 0) {
 437                 fprintf(stderr, "%s: Failed to verify header of %s\n",
 438                         params.cmdname, params.imagefile);
 439                 exit(EXIT_FAILURE);
 440         }
 441
 442         (void)munmap(ptr, params.file_size);
 443         (void)close(ifd);
 444 }
 445
 446 void copy_datafile(int ifd, char *file)
 447 {
 448         if (!file)
 449                 return;
 450         for (;;) {
 451                 char *sep = strchr(file, ':');
 452
 453                 if (sep) {
 454                         *sep = '\0';
 455                         copy_file(ifd, file, 1);
 456                         *sep++ = ':';
 457                         file = sep;
 458                 } else {
 459                         copy_file(ifd, file, 0);
 460                         break;
 461                 }
 462         }
 463 }
 464
 465 int main(int argc, char **argv)
 466 {
 467         int ifd = -1;
 468         struct stat sbuf;
 469         char *ptr;
 470         int retval = 0;
 471         struct image_type_params *tparams = NULL;
 472         int pad_len = 0;
 473         int dfd;
 474         size_t map_len;
 475
 476         params.cmdname = *argv;
 477         params.addr = 0;
 478         params.ep = 0;
 479
 480         process_args(argc, argv);
 481
 482         /* set tparams as per input type_id */
 483         tparams = imagetool_get_type(params.type);
 484         if (tparams == NULL && !params.lflag) {
 485                 fprintf (stderr, "%s: unsupported type %s\n",
 486                         params.cmdname, genimg_get_type_name(params.type));
 487                 exit (EXIT_FAILURE);
 488         }
 489
 490         /*
 491          * check the passed arguments parameters meets the requirements
 492          * as per image type to be generated/listed
 493          */
 494         if (tparams && tparams->check_params)
 495                 if (tparams->check_params (&params))
 496                         usage("Bad parameters for image type");
 497
 498         if (!params.eflag) {
 499                 params.ep = params.addr;
 500                 /* If XIP, entry point must be after the U-Boot header */
 501                 if (params.xflag && tparams)
 502                         params.ep += tparams->header_size;
 503         }
 504
 505         if (params.fflag){
 506                 if (!tparams) {
 507                         fprintf(stderr, "%s: Missing FIT support\n",
 508                                 params.cmdname);
 509                         exit (EXIT_FAILURE);
 510                 }
 511                 if (tparams->fflag_handle)
 512                         /*
 513                          * in some cases, some additional processing needs
 514                          * to be done if fflag is defined
 515                          *
 516                          * For ex. fit_handle_file for Fit file support
 517                          */
 518                         retval = tparams->fflag_handle(&params);
 519
 520                 if (retval != EXIT_SUCCESS)
 521                         usage("Bad parameters for FIT image type");
 522         }
 523
 524         if (params.lflag || params.fflag) {
 525                 ifd = open (params.imagefile, O_RDONLY|O_BINARY);
 526         } else {
 527                 ifd = open (params.imagefile,
 528                         O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
 529         }
 530
 531         if (ifd < 0) {
 532                 fprintf (stderr, "%s: Can't open %s: %s\n",
 533                         params.cmdname, params.imagefile,
 534                         strerror(errno));
 535                 exit (EXIT_FAILURE);
 536         }
 537
 538         if (params.lflag || params.fflag) {
 539                 uint64_t size;
 540                 /*
 541                  * list header information of existing image
 542                  */
 543                 if (fstat(ifd, &sbuf) < 0) {
 544                         fprintf (stderr, "%s: Can't stat %s: %s\n",
 545                                 params.cmdname, params.imagefile,
 546                                 strerror(errno));
 547                         exit (EXIT_FAILURE);
 548                 }
 549
 550                 if ((sbuf.st_mode & S_IFMT) == S_IFBLK) {
 551 #ifdef __linux__
 552 #if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64)
 553 #define BLKGETSIZE64 _IOR(0x12,114,size_t)      /* return device size in bytes (u64 *arg) */
 554 #endif
 555                         if (ioctl(ifd, BLKGETSIZE64, &size) < 0) {
 556                                 fprintf (stderr,
 557                                         "%s: failed to get size of block device \"%s\"\n",
 558                                         params.cmdname, params.imagefile);
 559                                 exit (EXIT_FAILURE);
 560                         }
 561 #else
 562                         fprintf (stderr,
 563                                 "%s: \"%s\" is block device, don't know how to get its size\n",
 564                                 params.cmdname, params.imagefile);
 565                         exit (EXIT_FAILURE);
 566 #endif
 567                 } else if (tparams && sbuf.st_size < (off_t)tparams->header_size) {
 568                         fprintf (stderr,
 569                                 "%s: Bad size: \"%s\" is not valid image: size %llu < %u\n",
 570                                 params.cmdname, params.imagefile,
 571                                 (unsigned long long) sbuf.st_size,
 572                                 tparams->header_size);
 573                         exit (EXIT_FAILURE);
 574                 } else {
 575                         size = sbuf.st_size;
 576                 }
 577
 578                 ptr = mmap(0, size, PROT_READ, MAP_SHARED, ifd, 0);
 579                 if (ptr == MAP_FAILED) {
 580                         fprintf (stderr, "%s: Can't read %s: %s\n",
 581                                 params.cmdname, params.imagefile,
 582                                 strerror(errno));
 583                         exit (EXIT_FAILURE);
 584                 }
 585
 586                 /*
 587                  * Verifies the header format based on the expected header for image
 588                  * type in tparams. If tparams is NULL simply check all image types
 589                  * to find one that matches our header.
 590                  */
 591                 retval = imagetool_verify_print_header(ptr, &sbuf, tparams, &params);
 592
 593                 (void) munmap((void *)ptr, sbuf.st_size);
 594                 (void) close (ifd);
 595                 if (!retval)
 596                         summary_show(&params.summary, params.imagefile,
 597                                      params.keydest);
 598
 599                 exit (retval);
 600         }
 601
 602         if ((params.type != IH_TYPE_MULTI) && (params.type != IH_TYPE_SCRIPT)) {
 603                 dfd = open(params.datafile, O_RDONLY | O_BINARY);
 604                 if (dfd < 0) {
 605                         fprintf(stderr, "%s: Can't open %s: %s\n",
 606                                 params.cmdname, params.datafile,
 607                                 strerror(errno));
 608                         exit(EXIT_FAILURE);
 609                 }
 610
 611                 if (fstat(dfd, &sbuf) < 0) {
 612                         fprintf(stderr, "%s: Can't stat %s: %s\n",
 613                                 params.cmdname, params.datafile,
 614                                 strerror(errno));
 615                         exit(EXIT_FAILURE);
 616                 }
 617
 618                 params.file_size = sbuf.st_size + tparams->header_size;
 619                 close(dfd);
 620         }
 621
 622         /*
 623          * In case there an header with a variable
 624          * length will be added, the corresponding
 625          * function is called. This is responsible to
 626          * allocate memory for the header itself.
 627          */
 628         if (tparams->vrec_header)
 629                 pad_len = tparams->vrec_header(&params, tparams);
 630         else
 631                 memset(tparams->hdr, 0, tparams->header_size);
 632
 633         if (write(ifd, tparams->hdr, tparams->header_size)
 634                                         != tparams->header_size) {
 635                 fprintf (stderr, "%s: Write error on %s: %s\n",
 636                         params.cmdname, params.imagefile, strerror(errno));
 637                 exit (EXIT_FAILURE);
 638         }
 639
 640         if (!params.skipcpy) {
 641                 if (params.type == IH_TYPE_MULTI ||
 642                     params.type == IH_TYPE_SCRIPT) {
 643                         char *file = params.datafile;
 644                         uint32_t size;
 645
 646                         for (;;) {
 647                                 char *sep = NULL;
 648
 649                                 if (file) {
 650                                         if ((sep = strchr(file, ':')) != NULL) {
 651                                                 *sep = '\0';
 652                                         }
 653
 654                                         if (stat (file, &sbuf) < 0) {
 655                                                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 656                                                          params.cmdname, file, strerror(errno));
 657                                                 exit (EXIT_FAILURE);
 658                                         }
 659                                         size = cpu_to_uimage (sbuf.st_size);
 660                                 } else {
 661                                         size = 0;
 662                                 }
 663
 664                                 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
 665                                         fprintf (stderr, "%s: Write error on %s: %s\n",
 666                                                  params.cmdname, params.imagefile,
 667                                                  strerror(errno));
 668                                         exit (EXIT_FAILURE);
 669                                 }
 670
 671                                 if (!file) {
 672                                         break;
 673                                 }
 674
 675                                 if (sep) {
 676                                         *sep = ':';
 677                                         file = sep + 1;
 678                                 } else {
 679                                         file = NULL;
 680                                 }
 681                         }
 682                         copy_datafile(ifd, params.datafile);
 683                 } else if (params.type == IH_TYPE_PBLIMAGE) {
 684                         /* PBL has special Image format, implements its' own */
 685                         pbl_load_uboot(ifd, &params);
 686                 } else if (params.type == IH_TYPE_ZYNQMPBIF) {
 687                         /* Image file is meta, walk through actual targets */
 688                         int ret;
 689
 690                         ret = zynqmpbif_copy_image(ifd, &params);
 691                         if (ret)
 692                                 return ret;
 693                 } else if (params.type == IH_TYPE_IMX8IMAGE) {
 694                         /* i.MX8/8X has special Image format */
 695                         int ret;
 696
 697                         ret = imx8image_copy_image(ifd, &params);
 698                         if (ret)
 699                                 return ret;
 700                 } else if (params.type == IH_TYPE_IMX8MIMAGE) {
 701                         /* i.MX8M has special Image format */
 702                         int ret;
 703
 704                         ret = imx8mimage_copy_image(ifd, &params);
 705                         if (ret)
 706                                 return ret;
 707                 } else if ((params.type == IH_TYPE_RKSD) ||
 708                                 (params.type == IH_TYPE_RKSPI)) {
 709                         /* Rockchip has special Image format */
 710                         int ret;
 711
 712                         ret = rockchip_copy_image(ifd, &params);
 713                         if (ret)
 714                                 return ret;
 715                 } else {
 716                         copy_file(ifd, params.datafile, pad_len);
 717                 }
 718                 if (params.type == IH_TYPE_FIRMWARE_IVT) {
 719                         /* Add alignment and IVT */
 720                         uint32_t aligned_filesize = ALIGN(params.file_size,
 721                                                           0x1000);
 722                         flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 },
 723                                         params.addr, 0, 0, 0, params.addr
 724                                                         + aligned_filesize
 725                                                         - tparams->header_size,
 726                                         params.addr + aligned_filesize
 727                                                         - tparams->header_size
 728                                                         + 0x20, 0 };
 729                         int i = params.file_size;
 730                         for (; i < aligned_filesize; i++) {
 731                                 if (write(ifd, (char *) &i, 1) != 1) {
 732                                         fprintf(stderr,
 733                                                         "%s: Write error on %s: %s\n",
 734                                                         params.cmdname,
 735                                                         params.imagefile,
 736                                                         strerror(errno));
 737                                         exit(EXIT_FAILURE);
 738                                 }
 739                         }
 740                         if (write(ifd, &ivt_header, sizeof(flash_header_v2_t))
 741                                         != sizeof(flash_header_v2_t)) {
 742                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 743                                                 params.cmdname,
 744                                                 params.imagefile,
 745                                                 strerror(errno));
 746                                 exit(EXIT_FAILURE);
 747                         }
 748                 }
 749         }
 750
 751         /* We're a bit of paranoid */
 752 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 753    !defined(__sun__) && \
 754    !defined(__FreeBSD__) && \
 755    !defined(__OpenBSD__) && \
 756    !defined(__APPLE__)
 757         (void) fdatasync (ifd);
 758 #else
 759         (void) fsync (ifd);
 760 #endif
 761
 762         if (fstat(ifd, &sbuf) < 0) {
 763                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 764                         params.cmdname, params.imagefile, strerror(errno));
 765                 exit (EXIT_FAILURE);
 766         }
 767         params.file_size = sbuf.st_size;
 768
 769         map_len = sbuf.st_size;
 770         ptr = mmap(0, map_len, PROT_READ | PROT_WRITE, MAP_SHARED, ifd, 0);
 771         if (ptr == MAP_FAILED) {
 772                 fprintf (stderr, "%s: Can't map %s: %s\n",
 773                         params.cmdname, params.imagefile, strerror(errno));
 774                 exit (EXIT_FAILURE);
 775         }
 776
 777         /* Setup the image header as per input image type*/
 778         if (tparams->set_header)
 779                 tparams->set_header (ptr, &sbuf, ifd, &params);
 780         else {
 781                 fprintf (stderr, "%s: Can't set header for %s\n",
 782                         params.cmdname, tparams->name);
 783                 exit (EXIT_FAILURE);
 784         }
 785
 786         /* Print the image information by processing image header */
 787         if (tparams->print_header)
 788                 tparams->print_header (ptr);
 789         else {
 790                 fprintf (stderr, "%s: Can't print header for %s\n",
 791                         params.cmdname, tparams->name);
 792         }
 793
 794         (void)munmap((void *)ptr, map_len);
 795
 796         /* We're a bit of paranoid */
 797 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 798    !defined(__sun__) && \
 799    !defined(__FreeBSD__) && \
 800    !defined(__OpenBSD__) && \
 801    !defined(__APPLE__)
 802         (void) fdatasync (ifd);
 803 #else
 804         (void) fsync (ifd);
 805 #endif
 806
 807         if (close(ifd)) {
 808                 fprintf (stderr, "%s: Write error on %s: %s\n",
 809                         params.cmdname, params.imagefile, strerror(errno));
 810                 exit (EXIT_FAILURE);
 811         }
 812
 813         if (tparams->verify_header)
 814                 verify_image(tparams);
 815
 816         exit (EXIT_SUCCESS);
 817 }
 818
 819 static void
 820 copy_file (int ifd, const char *datafile, int pad)
 821 {
 822         int dfd;
 823         struct stat sbuf;
 824         unsigned char *ptr;
 825         int tail;
 826         int zero = 0;
 827         uint8_t zeros[4096];
 828         int offset = 0;
 829         int size, ret;
 830         struct image_type_params *tparams = imagetool_get_type(params.type);
 831
 832         memset(zeros, 0, sizeof(zeros));
 833
 834         if (params.vflag) {
 835                 fprintf (stderr, "Adding Image %s\n", datafile);
 836         }
 837
 838         if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
 839                 fprintf (stderr, "%s: Can't open %s: %s\n",
 840                         params.cmdname, datafile, strerror(errno));
 841                 exit (EXIT_FAILURE);
 842         }
 843
 844         if (fstat(dfd, &sbuf) < 0) {
 845                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 846                         params.cmdname, datafile, strerror(errno));
 847                 exit (EXIT_FAILURE);
 848         }
 849
 850         if (sbuf.st_size == 0) {
 851                 fprintf (stderr, "%s: Input file %s is empty, bailing out\n",
 852                         params.cmdname, datafile);
 853                 exit (EXIT_FAILURE);
 854         }
 855
 856         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
 857         if (ptr == MAP_FAILED) {
 858                 fprintf (stderr, "%s: Can't read %s: %s\n",
 859                         params.cmdname, datafile, strerror(errno));
 860                 exit (EXIT_FAILURE);
 861         }
 862
 863         if (params.xflag) {
 864                 unsigned char *p = NULL;
 865                 /*
 866                  * XIP: do not append the struct legacy_img_hdr at the
 867                  * beginning of the file, but consume the space
 868                  * reserved for it.
 869                  */
 870
 871                 if ((unsigned)sbuf.st_size < tparams->header_size) {
 872                         fprintf (stderr,
 873                                 "%s: Bad size: \"%s\" is too small for XIP\n",
 874                                 params.cmdname, datafile);
 875                         exit (EXIT_FAILURE);
 876                 }
 877
 878                 for (p = ptr; p < ptr + tparams->header_size; p++) {
 879                         if ( *p != 0xff ) {
 880                                 fprintf (stderr,
 881                                         "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
 882                                         params.cmdname, datafile);
 883                                 exit (EXIT_FAILURE);
 884                         }
 885                 }
 886
 887                 offset = tparams->header_size;
 888         }
 889
 890         size = sbuf.st_size - offset;
 891
 892         ret = write(ifd, ptr + offset, size);
 893         if (ret != size) {
 894                 if (ret < 0)
 895                         fprintf (stderr, "%s: Write error on %s: %s\n",
 896                                  params.cmdname, params.imagefile, strerror(errno));
 897                 else if (ret < size)
 898                         fprintf (stderr, "%s: Write only %d/%d bytes, "\
 899                                  "probably no space left on the device\n",
 900                                  params.cmdname, ret, size);
 901                 exit (EXIT_FAILURE);
 902         }
 903
 904         tail = size % 4;
 905         if ((pad == 1) && (tail != 0)) {
 906
 907                 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
 908                         fprintf (stderr, "%s: Write error on %s: %s\n",
 909                                 params.cmdname, params.imagefile,
 910                                 strerror(errno));
 911                         exit (EXIT_FAILURE);
 912                 }
 913         } else if (pad > 1) {
 914                 while (pad > 0) {
 915                         int todo = sizeof(zeros);
 916
 917                         if (todo > pad)
 918                                 todo = pad;
 919                         if (write(ifd, (char *)&zeros, todo) != todo) {
 920                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 921                                         params.cmdname, params.imagefile,
 922                                         strerror(errno));
 923                                 exit(EXIT_FAILURE);
 924                         }
 925                         pad -= todo;
 926                 }
 927         }
 928
 929         (void) munmap((void *)ptr, sbuf.st_size);
 930         (void) close (dfd);
 931 }