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 #if CONFIG_IS_ENABLED(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_TOOLS_FIT_SIGNATURE undefined)\n");
 134 #endif
 135
 136         fprintf(stderr, "       %s -V ==> print version information and exit\n",
 137                 params.cmdname);
 138         fprintf(stderr, "Use '-T list' to see a list of available image types\n");
 139         fprintf(stderr, "Long options are available; read the man page for details\n");
 140
 141         exit(EXIT_FAILURE);
 142 }
 143
 144 static int add_content(int type, const char *fname)
 145 {
 146         struct content_info *cont;
 147
 148         cont = calloc(1, sizeof(*cont));
 149         if (!cont)
 150                 return -1;
 151         cont->type = type;
 152         cont->fname = fname;
 153         if (params.content_tail)
 154                 params.content_tail->next = cont;
 155         else
 156                 params.content_head = cont;
 157         params.content_tail = cont;
 158
 159         return 0;
 160 }
 161
 162 static const char optstring[] =
 163         "a:A:b:B:c:C:d:D:e:Ef:Fg:G:i:k:K:ln:N:o:O:p:qrR:stT:vVx";
 164
 165 static const struct option longopts[] = {
 166         { "load-address", required_argument, NULL, 'a' },
 167         { "architecture", required_argument, NULL, 'A' },
 168         { "device-tree", required_argument, NULL, 'b' },
 169         { "alignment", required_argument, NULL, 'B' },
 170         { "comment", required_argument, NULL, 'c' },
 171         { "compression", required_argument, NULL, 'C' },
 172         { "image", required_argument, NULL, 'd' },
 173         { "dtcopts", required_argument, NULL, 'D' },
 174         { "entry-point", required_argument, NULL, 'e' },
 175         { "external", no_argument, NULL, 'E' },
 176         { "fit", required_argument, NULL, 'f' },
 177         { "update", no_argument, NULL, 'F' },
 178         { "key-name-hint", required_argument, NULL, 'g' },
 179         { "key-file", required_argument, NULL, 'G' },
 180         { "help", no_argument, NULL, 'h' },
 181         { "initramfs", required_argument, NULL, 'i' },
 182         { "key-dir", required_argument, NULL, 'k' },
 183         { "key-dest", required_argument, NULL, 'K' },
 184         { "list", no_argument, NULL, 'l' },
 185         { "config", required_argument, NULL, 'n' },
 186         { "engine", required_argument, NULL, 'N' },
 187         { "algo", required_argument, NULL, 'o' },
 188         { "os", required_argument, NULL, 'O' },
 189         { "position", required_argument, NULL, 'p' },
 190         { "quiet", no_argument, NULL, 'q' },
 191         { "key-required", no_argument, NULL, 'r' },
 192         { "secondary-config", required_argument, NULL, 'R' },
 193         { "no-copy", no_argument, NULL, 's' },
 194         { "touch", no_argument, NULL, 't' },
 195         { "type", required_argument, NULL, 'T' },
 196         { "verbose", no_argument, NULL, 'v' },
 197         { "version", no_argument, NULL, 'V' },
 198         { "xip", no_argument, NULL, 'x' },
 199         { /* sentinel */ },
 200 };
 201
 202 static void process_args(int argc, char **argv)
 203 {
 204         char *ptr;
 205         int type = IH_TYPE_INVALID;
 206         char *datafile = NULL;
 207         int opt;
 208
 209         while ((opt = getopt_long(argc, argv, optstring,
 210                                   longopts, NULL)) != -1) {
 211                 switch (opt) {
 212                 case 'a':
 213                         params.addr = strtoull(optarg, &ptr, 16);
 214                         if (*ptr) {
 215                                 fprintf(stderr, "%s: invalid load address %s\n",
 216                                         params.cmdname, optarg);
 217                                 exit(EXIT_FAILURE);
 218                         }
 219                         break;
 220                 case 'A':
 221                         params.arch = genimg_get_arch_id(optarg);
 222                         if (params.arch < 0) {
 223                                 show_valid_options(IH_ARCH);
 224                                 usage("Invalid architecture");
 225                         }
 226                         params.Aflag = 1;
 227                         break;
 228                 case 'b':
 229                         if (add_content(IH_TYPE_FLATDT, optarg)) {
 230                                 fprintf(stderr,
 231                                         "%s: Out of memory adding content '%s'",
 232                                         params.cmdname, optarg);
 233                                 exit(EXIT_FAILURE);
 234                         }
 235                         break;
 236                 case 'B':
 237                         params.bl_len = strtoull(optarg, &ptr, 16);
 238                         if (*ptr) {
 239                                 fprintf(stderr, "%s: invalid block length %s\n",
 240                                         params.cmdname, optarg);
 241                                 exit(EXIT_FAILURE);
 242                         }
 243
 244                         break;
 245                 case 'c':
 246                         params.comment = optarg;
 247                         break;
 248                 case 'C':
 249                         params.comp = genimg_get_comp_id(optarg);
 250                         if (params.comp < 0) {
 251                                 show_valid_options(IH_COMP);
 252                                 usage("Invalid compression type");
 253                         }
 254                         break;
 255                 case 'd':
 256                         params.datafile = optarg;
 257                         params.dflag = 1;
 258                         break;
 259                 case 'D':
 260                         params.dtc = optarg;
 261                         break;
 262                 case 'e':
 263                         params.ep = strtoull(optarg, &ptr, 16);
 264                         if (*ptr) {
 265                                 fprintf(stderr, "%s: invalid entry point %s\n",
 266                                         params.cmdname, optarg);
 267                                 exit(EXIT_FAILURE);
 268                         }
 269                         params.eflag = 1;
 270                         break;
 271                 case 'E':
 272                         params.external_data = true;
 273                         break;
 274                 case 'f':
 275                         datafile = optarg;
 276                         if (!strcmp(datafile, "auto"))
 277                                 params.auto_fit = AF_HASHED_IMG;
 278                         else if (!strcmp(datafile, "auto-conf"))
 279                                 params.auto_fit = AF_SIGNED_CONF;
 280                         /* fallthrough */
 281                 case 'F':
 282                         /*
 283                          * The flattened image tree (FIT) format
 284                          * requires a flattened device tree image type
 285                          */
 286                         params.type = IH_TYPE_FLATDT;
 287                         params.fflag = 1;
 288                         break;
 289                 case 'g':
 290                         params.keyname = optarg;
 291                         break;
 292                 case 'G':
 293                         params.keyfile = optarg;
 294                         break;
 295                 case 'i':
 296                         params.fit_ramdisk = optarg;
 297                         break;
 298                 case 'k':
 299                         params.keydir = optarg;
 300                         break;
 301                 case 'K':
 302                         params.keydest = optarg;
 303                         break;
 304                 case 'l':
 305                         params.lflag = 1;
 306                         break;
 307                 case 'n':
 308                         params.imagename = optarg;
 309                         break;
 310                 case 'N':
 311                         params.engine_id = optarg;
 312                         break;
 313                 case 'o':
 314                         params.algo_name = optarg;
 315                         break;
 316                 case 'O':
 317                         params.os = genimg_get_os_id(optarg);
 318                         if (params.os < 0) {
 319                                 show_valid_options(IH_OS);
 320                                 usage("Invalid operating system");
 321                         }
 322                         break;
 323                 case 'p':
 324                         params.external_offset = strtoull(optarg, &ptr, 16);
 325                         if (*ptr) {
 326                                 fprintf(stderr, "%s: invalid offset size %s\n",
 327                                         params.cmdname, optarg);
 328                                 exit(EXIT_FAILURE);
 329                         }
 330                         break;
 331                 case 'q':
 332                         params.quiet = 1;
 333                         break;
 334                 case 'r':
 335                         params.require_keys = 1;
 336                         break;
 337                 case 'R':
 338                         /*
 339                          * This entry is for the second configuration
 340                          * file, if only one is not enough.
 341                          */
 342                         params.imagename2 = optarg;
 343                         break;
 344                 case 's':
 345                         params.skipcpy = 1;
 346                         break;
 347                 case 't':
 348                         params.reset_timestamp = 1;
 349                         break;
 350                 case 'T':
 351                         if (strcmp(optarg, "list") == 0) {
 352                                 show_valid_options(IH_TYPE);
 353                                 exit(EXIT_SUCCESS);
 354                         }
 355                         type = genimg_get_type_id(optarg);
 356                         if (type < 0) {
 357                                 show_valid_options(IH_TYPE);
 358                                 usage("Invalid image type");
 359                         }
 360                         break;
 361                 case 'v':
 362                         params.vflag++;
 363                         break;
 364                 case 'V':
 365                         printf("mkimage version %s\n", PLAIN_VERSION);
 366                         exit(EXIT_SUCCESS);
 367                 case 'x':
 368                         params.xflag++;
 369                         break;
 370                 default:
 371                         usage("Invalid option");
 372                 }
 373         }
 374
 375         /* The last parameter is expected to be the imagefile */
 376         if (optind < argc)
 377                 params.imagefile = argv[optind];
 378
 379         if (params.auto_fit == AF_SIGNED_CONF) {
 380                 if (!params.keyname || !params.algo_name)
 381                         usage("Missing key/algo for auto-FIT with signed configs (use -g -o)");
 382         } else if (params.auto_fit == AF_HASHED_IMG && params.keyname) {
 383                 params.auto_fit = AF_SIGNED_IMG;
 384                 if (!params.algo_name)
 385                         usage("Missing algorithm for auto-FIT with signed images (use -g)");
 386         }
 387
 388         /*
 389          * For auto-generated FIT images we need to know the image type to put
 390          * in the FIT, which is separate from the file's image type (which
 391          * will always be IH_TYPE_FLATDT in this case).
 392          */
 393         if (params.type == IH_TYPE_FLATDT) {
 394                 params.fit_image_type = type ? type : IH_TYPE_KERNEL;
 395                 /* For auto-FIT, datafile has to be provided with -d */
 396                 if (!params.auto_fit)
 397                         params.datafile = datafile;
 398                 else if (!params.datafile)
 399                         usage("Missing data file for auto-FIT (use -d)");
 400         } else if (params.lflag || type != IH_TYPE_INVALID) {
 401                 if (type == IH_TYPE_SCRIPT && !params.datafile)
 402                         usage("Missing data file for script (use -d)");
 403                 params.type = type;
 404         }
 405
 406         if (!params.imagefile)
 407                 usage("Missing output filename");
 408 }
 409
 410 static void verify_image(const struct image_type_params *tparams)
 411 {
 412         struct stat sbuf;
 413         void *ptr;
 414         int ifd;
 415
 416         ifd = open(params.imagefile, O_RDONLY | O_BINARY);
 417         if (ifd < 0) {
 418                 fprintf(stderr, "%s: Can't open %s: %s\n",
 419                         params.cmdname, params.imagefile,
 420                         strerror(errno));
 421                 exit(EXIT_FAILURE);
 422         }
 423
 424         if (fstat(ifd, &sbuf) < 0) {
 425                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 426                         params.cmdname, params.imagefile, strerror(errno));
 427                 exit(EXIT_FAILURE);
 428         }
 429         params.file_size = sbuf.st_size;
 430
 431         ptr = mmap(0, params.file_size, PROT_READ, MAP_SHARED, ifd, 0);
 432         if (ptr == MAP_FAILED) {
 433                 fprintf(stderr, "%s: Can't map %s: %s\n",
 434                         params.cmdname, params.imagefile, strerror(errno));
 435                 exit(EXIT_FAILURE);
 436         }
 437
 438         if (tparams->verify_header((unsigned char *)ptr, params.file_size, &params) != 0) {
 439                 fprintf(stderr, "%s: Failed to verify header of %s\n",
 440                         params.cmdname, params.imagefile);
 441                 exit(EXIT_FAILURE);
 442         }
 443
 444         (void)munmap(ptr, params.file_size);
 445         (void)close(ifd);
 446 }
 447
 448 void copy_datafile(int ifd, char *file)
 449 {
 450         if (!file)
 451                 return;
 452         for (;;) {
 453                 char *sep = strchr(file, ':');
 454
 455                 if (sep) {
 456                         *sep = '\0';
 457                         copy_file(ifd, file, 1);
 458                         *sep++ = ':';
 459                         file = sep;
 460                 } else {
 461                         copy_file(ifd, file, 0);
 462                         break;
 463                 }
 464         }
 465 }
 466
 467 int main(int argc, char **argv)
 468 {
 469         int ifd = -1;
 470         struct stat sbuf;
 471         char *ptr;
 472         int retval = 0;
 473         struct image_type_params *tparams = NULL;
 474         int pad_len = 0;
 475         int dfd;
 476         size_t map_len;
 477
 478         params.cmdname = *argv;
 479         params.addr = 0;
 480         params.ep = 0;
 481
 482         process_args(argc, argv);
 483
 484         /* set tparams as per input type_id */
 485         tparams = imagetool_get_type(params.type);
 486         if (tparams == NULL && !params.lflag) {
 487                 fprintf (stderr, "%s: unsupported type %s\n",
 488                         params.cmdname, genimg_get_type_name(params.type));
 489                 exit (EXIT_FAILURE);
 490         }
 491
 492         /*
 493          * check the passed arguments parameters meets the requirements
 494          * as per image type to be generated/listed
 495          */
 496         if (tparams && tparams->check_params)
 497                 if (tparams->check_params (&params))
 498                         usage("Bad parameters for image type");
 499
 500         if (!params.eflag) {
 501                 params.ep = params.addr;
 502                 /* If XIP, entry point must be after the U-Boot header */
 503                 if (params.xflag && tparams)
 504                         params.ep += tparams->header_size;
 505         }
 506
 507         if (params.fflag){
 508                 if (!tparams) {
 509                         fprintf(stderr, "%s: Missing FIT support\n",
 510                                 params.cmdname);
 511                         exit (EXIT_FAILURE);
 512                 }
 513                 if (tparams->fflag_handle)
 514                         /*
 515                          * in some cases, some additional processing needs
 516                          * to be done if fflag is defined
 517                          *
 518                          * For ex. fit_handle_file for Fit file support
 519                          */
 520                         retval = tparams->fflag_handle(&params);
 521
 522                 if (retval != EXIT_SUCCESS)
 523                         usage("Bad parameters for FIT image type");
 524         }
 525
 526         if (params.lflag || params.fflag) {
 527                 ifd = open (params.imagefile, O_RDONLY|O_BINARY);
 528         } else {
 529                 ifd = open (params.imagefile,
 530                         O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
 531         }
 532
 533         if (ifd < 0) {
 534                 fprintf (stderr, "%s: Can't open %s: %s\n",
 535                         params.cmdname, params.imagefile,
 536                         strerror(errno));
 537                 exit (EXIT_FAILURE);
 538         }
 539
 540         if (params.lflag || params.fflag) {
 541                 uint64_t size;
 542                 /*
 543                  * list header information of existing image
 544                  */
 545                 if (fstat(ifd, &sbuf) < 0) {
 546                         fprintf (stderr, "%s: Can't stat %s: %s\n",
 547                                 params.cmdname, params.imagefile,
 548                                 strerror(errno));
 549                         exit (EXIT_FAILURE);
 550                 }
 551
 552                 if ((sbuf.st_mode & S_IFMT) == S_IFBLK) {
 553 #ifdef __linux__
 554 #if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64)
 555 #define BLKGETSIZE64 _IOR(0x12,114,size_t)      /* return device size in bytes (u64 *arg) */
 556 #endif
 557                         if (ioctl(ifd, BLKGETSIZE64, &size) < 0) {
 558                                 fprintf (stderr,
 559                                         "%s: failed to get size of block device \"%s\"\n",
 560                                         params.cmdname, params.imagefile);
 561                                 exit (EXIT_FAILURE);
 562                         }
 563 #else
 564                         fprintf (stderr,
 565                                 "%s: \"%s\" is block device, don't know how to get its size\n",
 566                                 params.cmdname, params.imagefile);
 567                         exit (EXIT_FAILURE);
 568 #endif
 569                 } else if (tparams && sbuf.st_size < (off_t)tparams->header_size) {
 570                         fprintf (stderr,
 571                                 "%s: Bad size: \"%s\" is not valid image: size %llu < %u\n",
 572                                 params.cmdname, params.imagefile,
 573                                 (unsigned long long) sbuf.st_size,
 574                                 tparams->header_size);
 575                         exit (EXIT_FAILURE);
 576                 } else {
 577                         size = sbuf.st_size;
 578                 }
 579
 580                 ptr = mmap(0, size, PROT_READ, MAP_SHARED, ifd, 0);
 581                 if (ptr == MAP_FAILED) {
 582                         fprintf (stderr, "%s: Can't read %s: %s\n",
 583                                 params.cmdname, params.imagefile,
 584                                 strerror(errno));
 585                         exit (EXIT_FAILURE);
 586                 }
 587
 588                 /*
 589                  * Verifies the header format based on the expected header for image
 590                  * type in tparams. If tparams is NULL simply check all image types
 591                  * to find one that matches our header.
 592                  */
 593                 retval = imagetool_verify_print_header(ptr, &sbuf, tparams, &params);
 594
 595                 (void) munmap((void *)ptr, sbuf.st_size);
 596                 (void) close (ifd);
 597                 if (!retval)
 598                         summary_show(&params.summary, params.imagefile,
 599                                      params.keydest);
 600
 601                 exit (retval);
 602         }
 603
 604         if (!params.skipcpy && params.type != IH_TYPE_MULTI && params.type != IH_TYPE_SCRIPT) {
 605                 if (!params.datafile) {
 606                         fprintf(stderr, "%s: Option -d with image data file was not specified\n",
 607                                 params.cmdname);
 608                         exit(EXIT_FAILURE);
 609                 }
 610                 dfd = open(params.datafile, O_RDONLY | O_BINARY);
 611                 if (dfd < 0) {
 612                         fprintf(stderr, "%s: Can't open %s: %s\n",
 613                                 params.cmdname, params.datafile,
 614                                 strerror(errno));
 615                         exit(EXIT_FAILURE);
 616                 }
 617
 618                 if (fstat(dfd, &sbuf) < 0) {
 619                         fprintf(stderr, "%s: Can't stat %s: %s\n",
 620                                 params.cmdname, params.datafile,
 621                                 strerror(errno));
 622                         exit(EXIT_FAILURE);
 623                 }
 624
 625                 params.file_size = sbuf.st_size + tparams->header_size;
 626                 close(dfd);
 627         }
 628
 629         /*
 630          * In case there an header with a variable
 631          * length will be added, the corresponding
 632          * function is called. This is responsible to
 633          * allocate memory for the header itself.
 634          */
 635         if (tparams->vrec_header)
 636                 pad_len = tparams->vrec_header(&params, tparams);
 637         else
 638                 memset(tparams->hdr, 0, tparams->header_size);
 639
 640         if (write(ifd, tparams->hdr, tparams->header_size)
 641                                         != tparams->header_size) {
 642                 fprintf (stderr, "%s: Write error on %s: %s\n",
 643                         params.cmdname, params.imagefile, strerror(errno));
 644                 exit (EXIT_FAILURE);
 645         }
 646
 647         if (!params.skipcpy) {
 648                 if (params.type == IH_TYPE_MULTI ||
 649                     params.type == IH_TYPE_SCRIPT) {
 650                         char *file = params.datafile;
 651                         uint32_t size;
 652
 653                         for (;;) {
 654                                 char *sep = NULL;
 655
 656                                 if (file) {
 657                                         if ((sep = strchr(file, ':')) != NULL) {
 658                                                 *sep = '\0';
 659                                         }
 660
 661                                         if (stat (file, &sbuf) < 0) {
 662                                                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 663                                                          params.cmdname, file, strerror(errno));
 664                                                 exit (EXIT_FAILURE);
 665                                         }
 666                                         size = cpu_to_uimage (sbuf.st_size);
 667                                 } else {
 668                                         size = 0;
 669                                 }
 670
 671                                 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
 672                                         fprintf (stderr, "%s: Write error on %s: %s\n",
 673                                                  params.cmdname, params.imagefile,
 674                                                  strerror(errno));
 675                                         exit (EXIT_FAILURE);
 676                                 }
 677
 678                                 if (!file) {
 679                                         break;
 680                                 }
 681
 682                                 if (sep) {
 683                                         *sep = ':';
 684                                         file = sep + 1;
 685                                 } else {
 686                                         file = NULL;
 687                                 }
 688                         }
 689                         copy_datafile(ifd, params.datafile);
 690                 } else if (params.type == IH_TYPE_PBLIMAGE) {
 691                         /* PBL has special Image format, implements its' own */
 692                         pbl_load_uboot(ifd, &params);
 693                 } else if (params.type == IH_TYPE_ZYNQMPBIF) {
 694                         /* Image file is meta, walk through actual targets */
 695                         int ret;
 696
 697                         ret = zynqmpbif_copy_image(ifd, &params);
 698                         if (ret)
 699                                 return ret;
 700                 } else if (params.type == IH_TYPE_IMX8IMAGE) {
 701                         /* i.MX8/8X has special Image format */
 702                         int ret;
 703
 704                         ret = imx8image_copy_image(ifd, &params);
 705                         if (ret)
 706                                 return ret;
 707                 } else if (params.type == IH_TYPE_IMX8MIMAGE) {
 708                         /* i.MX8M has special Image format */
 709                         int ret;
 710
 711                         ret = imx8mimage_copy_image(ifd, &params);
 712                         if (ret)
 713                                 return ret;
 714                 } else if ((params.type == IH_TYPE_RKSD) ||
 715                                 (params.type == IH_TYPE_RKSPI)) {
 716                         /* Rockchip has special Image format */
 717                         int ret;
 718
 719                         ret = rockchip_copy_image(ifd, &params);
 720                         if (ret)
 721                                 return ret;
 722                 } else {
 723                         copy_file(ifd, params.datafile, pad_len);
 724                 }
 725                 if (params.type == IH_TYPE_FIRMWARE_IVT) {
 726                         /* Add alignment and IVT */
 727                         uint32_t aligned_filesize = ALIGN(params.file_size,
 728                                                           0x1000);
 729                         flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 },
 730                                         params.addr, 0, 0, 0, params.addr
 731                                                         + aligned_filesize
 732                                                         - tparams->header_size,
 733                                         params.addr + aligned_filesize
 734                                                         - tparams->header_size
 735                                                         + 0x20, 0 };
 736                         int i = params.file_size;
 737                         for (; i < aligned_filesize; i++) {
 738                                 if (write(ifd, (char *) &i, 1) != 1) {
 739                                         fprintf(stderr,
 740                                                         "%s: Write error on %s: %s\n",
 741                                                         params.cmdname,
 742                                                         params.imagefile,
 743                                                         strerror(errno));
 744                                         exit(EXIT_FAILURE);
 745                                 }
 746                         }
 747                         if (write(ifd, &ivt_header, sizeof(flash_header_v2_t))
 748                                         != sizeof(flash_header_v2_t)) {
 749                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 750                                                 params.cmdname,
 751                                                 params.imagefile,
 752                                                 strerror(errno));
 753                                 exit(EXIT_FAILURE);
 754                         }
 755                 }
 756         }
 757
 758         /* We're a bit of paranoid */
 759 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 760    !defined(__sun__) && \
 761    !defined(__FreeBSD__) && \
 762    !defined(__OpenBSD__) && \
 763    !defined(__APPLE__)
 764         (void) fdatasync (ifd);
 765 #else
 766         (void) fsync (ifd);
 767 #endif
 768
 769         if (fstat(ifd, &sbuf) < 0) {
 770                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 771                         params.cmdname, params.imagefile, strerror(errno));
 772                 exit (EXIT_FAILURE);
 773         }
 774         params.file_size = sbuf.st_size;
 775
 776         map_len = sbuf.st_size;
 777         ptr = mmap(0, map_len, PROT_READ | PROT_WRITE, MAP_SHARED, ifd, 0);
 778         if (ptr == MAP_FAILED) {
 779                 fprintf (stderr, "%s: Can't map %s: %s\n",
 780                         params.cmdname, params.imagefile, strerror(errno));
 781                 exit (EXIT_FAILURE);
 782         }
 783
 784         /* Setup the image header as per input image type*/
 785         if (tparams->set_header)
 786                 tparams->set_header (ptr, &sbuf, ifd, &params);
 787         else {
 788                 fprintf (stderr, "%s: Can't set header for %s\n",
 789                         params.cmdname, tparams->name);
 790                 exit (EXIT_FAILURE);
 791         }
 792
 793         /* Print the image information by processing image header */
 794         if (tparams->print_header)
 795                 tparams->print_header (ptr, &params);
 796         else {
 797                 fprintf (stderr, "%s: Can't print header for %s\n",
 798                         params.cmdname, tparams->name);
 799         }
 800
 801         (void)munmap((void *)ptr, map_len);
 802
 803         /* We're a bit of paranoid */
 804 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 805    !defined(__sun__) && \
 806    !defined(__FreeBSD__) && \
 807    !defined(__OpenBSD__) && \
 808    !defined(__APPLE__)
 809         (void) fdatasync (ifd);
 810 #else
 811         (void) fsync (ifd);
 812 #endif
 813
 814         if (close(ifd)) {
 815                 fprintf (stderr, "%s: Write error on %s: %s\n",
 816                         params.cmdname, params.imagefile, strerror(errno));
 817                 exit (EXIT_FAILURE);
 818         }
 819
 820         if (tparams->verify_header)
 821                 verify_image(tparams);
 822
 823         exit (EXIT_SUCCESS);
 824 }
 825
 826 static void
 827 copy_file (int ifd, const char *datafile, int pad)
 828 {
 829         int dfd;
 830         struct stat sbuf;
 831         unsigned char *ptr;
 832         int tail;
 833         int zero = 0;
 834         uint8_t zeros[4096];
 835         int offset = 0;
 836         int size, ret;
 837         struct image_type_params *tparams = imagetool_get_type(params.type);
 838
 839         memset(zeros, 0, sizeof(zeros));
 840
 841         if (params.vflag) {
 842                 fprintf (stderr, "Adding Image %s\n", datafile);
 843         }
 844
 845         if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
 846                 fprintf (stderr, "%s: Can't open %s: %s\n",
 847                         params.cmdname, datafile, strerror(errno));
 848                 exit (EXIT_FAILURE);
 849         }
 850
 851         if (fstat(dfd, &sbuf) < 0) {
 852                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 853                         params.cmdname, datafile, strerror(errno));
 854                 exit (EXIT_FAILURE);
 855         }
 856
 857         if (sbuf.st_size == 0) {
 858                 fprintf (stderr, "%s: Input file %s is empty, bailing out\n",
 859                         params.cmdname, datafile);
 860                 exit (EXIT_FAILURE);
 861         }
 862
 863         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
 864         if (ptr == MAP_FAILED) {
 865                 fprintf (stderr, "%s: Can't read %s: %s\n",
 866                         params.cmdname, datafile, strerror(errno));
 867                 exit (EXIT_FAILURE);
 868         }
 869
 870         if (params.xflag &&
 871             (((params.type > IH_TYPE_INVALID) && (params.type < IH_TYPE_FLATDT)) ||
 872              (params.type == IH_TYPE_KERNEL_NOLOAD) || (params.type == IH_TYPE_FIRMWARE_IVT))) {
 873                 unsigned char *p = NULL;
 874                 /*
 875                  * XIP: do not append the struct legacy_img_hdr at the
 876                  * beginning of the file, but consume the space
 877                  * reserved for it.
 878                  */
 879
 880                 if ((unsigned)sbuf.st_size < tparams->header_size) {
 881                         fprintf (stderr,
 882                                 "%s: Bad size: \"%s\" is too small for XIP\n",
 883                                 params.cmdname, datafile);
 884                         exit (EXIT_FAILURE);
 885                 }
 886
 887                 for (p = ptr; p < ptr + tparams->header_size; p++) {
 888                         if ( *p != 0xff ) {
 889                                 fprintf (stderr,
 890                                         "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
 891                                         params.cmdname, datafile);
 892                                 exit (EXIT_FAILURE);
 893                         }
 894                 }
 895
 896                 offset = tparams->header_size;
 897         }
 898
 899         size = sbuf.st_size - offset;
 900
 901         ret = write(ifd, ptr + offset, size);
 902         if (ret != size) {
 903                 if (ret < 0)
 904                         fprintf (stderr, "%s: Write error on %s: %s\n",
 905                                  params.cmdname, params.imagefile, strerror(errno));
 906                 else if (ret < size)
 907                         fprintf (stderr, "%s: Write only %d/%d bytes, "\
 908                                  "probably no space left on the device\n",
 909                                  params.cmdname, ret, size);
 910                 exit (EXIT_FAILURE);
 911         }
 912
 913         tail = size % 4;
 914         if ((pad == 1) && (tail != 0)) {
 915
 916                 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
 917                         fprintf (stderr, "%s: Write error on %s: %s\n",
 918                                 params.cmdname, params.imagefile,
 919                                 strerror(errno));
 920                         exit (EXIT_FAILURE);
 921                 }
 922         } else if (pad > 1) {
 923                 while (pad > 0) {
 924                         int todo = sizeof(zeros);
 925
 926                         if (todo > pad)
 927                                 todo = pad;
 928                         if (write(ifd, (char *)&zeros, todo) != todo) {
 929                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 930                                         params.cmdname, params.imagefile,
 931                                         strerror(errno));
 932                                 exit(EXIT_FAILURE);
 933                         }
 934                         pad -= todo;
 935                 }
 936         }
 937
 938         (void) munmap((void *)ptr, sbuf.st_size);
 939         (void) close (dfd);
 940 }