tools/mkimage.c

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