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