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