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