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                          "          -q ==> quiet\n",
  89                 params.cmdname);
  90         fprintf(stderr,
  91                 "       %s [-x] -A arch -O os -T type -C comp -a addr -e ep -n name -d data_file[:data_file...] image\n"
  92                 "          -A ==> set architecture to 'arch'\n"
  93                 "          -O ==> set operating system to 'os'\n"
  94                 "          -T ==> set image type to 'type'\n"
  95                 "          -C ==> set compression type 'comp'\n"
  96                 "          -a ==> set load address to 'addr' (hex)\n"
  97                 "          -e ==> set entry point to 'ep' (hex)\n"
  98                 "          -n ==> set image name to 'name'\n"
  99                 "          -R ==> set second image name to 'name'\n"
 100                 "          -d ==> use image data from 'datafile'\n"
 101                 "          -x ==> set XIP (execute in place)\n"
 102                 "          -s ==> create an image with no data\n"
 103                 "          -v ==> verbose\n",
 104                 params.cmdname);
 105         fprintf(stderr,
 106                 "       %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"
 107                 "           <dtb> file is used with -f auto, it may occur multiple times.\n",
 108                 params.cmdname);
 109         fprintf(stderr,
 110                 "          -D => set all options for device tree compiler\n"
 111                 "          -f => input filename for FIT source\n"
 112                 "          -i => input filename for ramdisk file\n"
 113                 "          -E => place data outside of the FIT structure\n"
 114                 "          -B => align size in hex for FIT structure and header\n"
 115                 "          -b => append the device tree binary to the FIT\n"
 116                 "          -t => update the timestamp in the FIT\n");
 117 #ifdef CONFIG_FIT_SIGNATURE
 118         fprintf(stderr,
 119                 "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>] [-p addr] [-r] [-N engine]\n"
 120                 "          -k => set directory containing private keys\n"
 121                 "          -K => write public keys to this .dtb file\n"
 122                 "          -g => set key name hint\n"
 123                 "          -G => use this signing key (in lieu of -k)\n"
 124                 "          -c => add comment in signature node\n"
 125                 "          -F => re-sign existing FIT image\n"
 126                 "          -p => place external data at a static position\n"
 127                 "          -r => mark keys used as 'required' in dtb\n"
 128                 "          -N => openssl engine to use for signing\n"
 129                 "          -o => algorithm to use for signing\n");
 130 #else
 131         fprintf(stderr,
 132                 "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
 133 #endif
 134         fprintf(stderr, "       %s -V ==> print version information and exit\n",
 135                 params.cmdname);
 136         fprintf(stderr, "Use '-T list' to see a list of available image types\n");
 137
 138         exit(EXIT_FAILURE);
 139 }
 140
 141 static int add_content(int type, const char *fname)
 142 {
 143         struct content_info *cont;
 144
 145         cont = calloc(1, sizeof(*cont));
 146         if (!cont)
 147                 return -1;
 148         cont->type = type;
 149         cont->fname = fname;
 150         if (params.content_tail)
 151                 params.content_tail->next = cont;
 152         else
 153                 params.content_head = cont;
 154         params.content_tail = cont;
 155
 156         return 0;
 157 }
 158
 159 static void process_args(int argc, char **argv)
 160 {
 161         char *ptr;
 162         int type = IH_TYPE_INVALID;
 163         char *datafile = NULL;
 164         int opt;
 165
 166         while ((opt = getopt(argc, argv,
 167                    "a:A:b:B:c:C:d:D:e:Ef:Fg:G:k:i:K:ln:N:p:o:O:rR:qstT:vVx")) != -1) {
 168                 switch (opt) {
 169                 case 'a':
 170                         params.addr = strtoull(optarg, &ptr, 16);
 171                         if (*ptr) {
 172                                 fprintf(stderr, "%s: invalid load address %s\n",
 173                                         params.cmdname, optarg);
 174                                 exit(EXIT_FAILURE);
 175                         }
 176                         break;
 177                 case 'A':
 178                         params.arch = genimg_get_arch_id(optarg);
 179                         if (params.arch < 0) {
 180                                 show_valid_options(IH_ARCH);
 181                                 usage("Invalid architecture");
 182                         }
 183                         params.Aflag = 1;
 184                         break;
 185                 case 'b':
 186                         if (add_content(IH_TYPE_FLATDT, optarg)) {
 187                                 fprintf(stderr,
 188                                         "%s: Out of memory adding content '%s'",
 189                                         params.cmdname, optarg);
 190                                 exit(EXIT_FAILURE);
 191                         }
 192                         break;
 193                 case 'B':
 194                         params.bl_len = strtoull(optarg, &ptr, 16);
 195                         if (*ptr) {
 196                                 fprintf(stderr, "%s: invalid block length %s\n",
 197                                         params.cmdname, optarg);
 198                                 exit(EXIT_FAILURE);
 199                         }
 200
 201                         break;
 202                 case 'c':
 203                         params.comment = optarg;
 204                         break;
 205                 case 'C':
 206                         params.comp = genimg_get_comp_id(optarg);
 207                         if (params.comp < 0) {
 208                                 show_valid_options(IH_COMP);
 209                                 usage("Invalid compression type");
 210                         }
 211                         break;
 212                 case 'd':
 213                         params.datafile = optarg;
 214                         params.dflag = 1;
 215                         break;
 216                 case 'D':
 217                         params.dtc = optarg;
 218                         break;
 219                 case 'e':
 220                         params.ep = strtoull(optarg, &ptr, 16);
 221                         if (*ptr) {
 222                                 fprintf(stderr, "%s: invalid entry point %s\n",
 223                                         params.cmdname, optarg);
 224                                 exit(EXIT_FAILURE);
 225                         }
 226                         params.eflag = 1;
 227                         break;
 228                 case 'E':
 229                         params.external_data = true;
 230                         break;
 231                 case 'f':
 232                         datafile = optarg;
 233                         params.auto_its = !strcmp(datafile, "auto");
 234                         /* fallthrough */
 235                 case 'F':
 236                         /*
 237                          * The flattened image tree (FIT) format
 238                          * requires a flattened device tree image type
 239                          */
 240                         params.type = IH_TYPE_FLATDT;
 241                         params.fflag = 1;
 242                         break;
 243                 case 'g':
 244                         params.keyname = optarg;
 245                 case 'G':
 246                         params.keyfile = optarg;
 247                         break;
 248                 case 'i':
 249                         params.fit_ramdisk = optarg;
 250                         break;
 251                 case 'k':
 252                         params.keydir = optarg;
 253                         break;
 254                 case 'K':
 255                         params.keydest = optarg;
 256                         break;
 257                 case 'l':
 258                         params.lflag = 1;
 259                         break;
 260                 case 'n':
 261                         params.imagename = optarg;
 262                         break;
 263                 case 'N':
 264                         params.engine_id = optarg;
 265                         break;
 266                 case 'o':
 267                         params.algo_name = optarg;
 268                         break;
 269                 case 'O':
 270                         params.os = genimg_get_os_id(optarg);
 271                         if (params.os < 0) {
 272                                 show_valid_options(IH_OS);
 273                                 usage("Invalid operating system");
 274                         }
 275                         break;
 276                 case 'p':
 277                         params.external_offset = strtoull(optarg, &ptr, 16);
 278                         if (*ptr) {
 279                                 fprintf(stderr, "%s: invalid offset size %s\n",
 280                                         params.cmdname, optarg);
 281                                 exit(EXIT_FAILURE);
 282                         }
 283                         break;
 284                 case 'q':
 285                         params.quiet = 1;
 286                         break;
 287                 case 'r':
 288                         params.require_keys = 1;
 289                         break;
 290                 case 'R':
 291                         /*
 292                          * This entry is for the second configuration
 293                          * file, if only one is not enough.
 294                          */
 295                         params.imagename2 = optarg;
 296                         break;
 297                 case 's':
 298                         params.skipcpy = 1;
 299                         break;
 300                 case 't':
 301                         params.reset_timestamp = 1;
 302                         break;
 303                 case 'T':
 304                         if (strcmp(optarg, "list") == 0) {
 305                                 show_valid_options(IH_TYPE);
 306                                 exit(EXIT_SUCCESS);
 307                         }
 308                         type = genimg_get_type_id(optarg);
 309                         if (type < 0) {
 310                                 show_valid_options(IH_TYPE);
 311                                 usage("Invalid image type");
 312                         }
 313                         break;
 314                 case 'v':
 315                         params.vflag++;
 316                         break;
 317                 case 'V':
 318                         printf("mkimage version %s\n", PLAIN_VERSION);
 319                         exit(EXIT_SUCCESS);
 320                 case 'x':
 321                         params.xflag++;
 322                         break;
 323                 default:
 324                         usage("Invalid option");
 325                 }
 326         }
 327
 328         /* The last parameter is expected to be the imagefile */
 329         if (optind < argc)
 330                 params.imagefile = argv[optind];
 331
 332         /*
 333          * For auto-generated FIT images we need to know the image type to put
 334          * in the FIT, which is separate from the file's image type (which
 335          * will always be IH_TYPE_FLATDT in this case).
 336          */
 337         if (params.type == IH_TYPE_FLATDT) {
 338                 params.fit_image_type = type ? type : IH_TYPE_KERNEL;
 339                 /* For auto_its, datafile is always 'auto' */
 340                 if (!params.auto_its)
 341                         params.datafile = datafile;
 342                 else if (!params.datafile)
 343                         usage("Missing data file for auto-FIT (use -d)");
 344         } else if (params.lflag || type != IH_TYPE_INVALID) {
 345                 if (type == IH_TYPE_SCRIPT && !params.datafile)
 346                         usage("Missing data file for script (use -d)");
 347                 params.type = type;
 348         }
 349
 350         if (!params.imagefile)
 351                 usage("Missing output filename");
 352 }
 353
 354 static void verify_image(const struct image_type_params *tparams)
 355 {
 356         struct stat sbuf;
 357         void *ptr;
 358         int ifd;
 359
 360         ifd = open(params.imagefile, O_RDONLY | O_BINARY);
 361         if (ifd < 0) {
 362                 fprintf(stderr, "%s: Can't open %s: %s\n",
 363                         params.cmdname, params.imagefile,
 364                         strerror(errno));
 365                 exit(EXIT_FAILURE);
 366         }
 367
 368         if (fstat(ifd, &sbuf) < 0) {
 369                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 370                         params.cmdname, params.imagefile, strerror(errno));
 371                 exit(EXIT_FAILURE);
 372         }
 373         params.file_size = sbuf.st_size;
 374
 375         ptr = mmap(0, params.file_size, PROT_READ, MAP_SHARED, ifd, 0);
 376         if (ptr == MAP_FAILED) {
 377                 fprintf(stderr, "%s: Can't map %s: %s\n",
 378                         params.cmdname, params.imagefile, strerror(errno));
 379                 exit(EXIT_FAILURE);
 380         }
 381
 382         if (tparams->verify_header((unsigned char *)ptr, params.file_size, &params) != 0) {
 383                 fprintf(stderr, "%s: Failed to verify header of %s\n",
 384                         params.cmdname, params.imagefile);
 385                 exit(EXIT_FAILURE);
 386         }
 387
 388         (void)munmap(ptr, params.file_size);
 389         (void)close(ifd);
 390 }
 391
 392 int main(int argc, char **argv)
 393 {
 394         int ifd = -1;
 395         struct stat sbuf;
 396         char *ptr;
 397         int retval = 0;
 398         struct image_type_params *tparams = NULL;
 399         int pad_len = 0;
 400         int dfd;
 401         size_t map_len;
 402
 403         params.cmdname = *argv;
 404         params.addr = 0;
 405         params.ep = 0;
 406
 407         process_args(argc, argv);
 408
 409         /* set tparams as per input type_id */
 410         tparams = imagetool_get_type(params.type);
 411         if (tparams == NULL && !params.lflag) {
 412                 fprintf (stderr, "%s: unsupported type %s\n",
 413                         params.cmdname, genimg_get_type_name(params.type));
 414                 exit (EXIT_FAILURE);
 415         }
 416
 417         /*
 418          * check the passed arguments parameters meets the requirements
 419          * as per image type to be generated/listed
 420          */
 421         if (tparams && tparams->check_params)
 422                 if (tparams->check_params (&params))
 423                         usage("Bad parameters for image type");
 424
 425         if (!params.eflag) {
 426                 params.ep = params.addr;
 427                 /* If XIP, entry point must be after the U-Boot header */
 428                 if (params.xflag && tparams)
 429                         params.ep += tparams->header_size;
 430         }
 431
 432         if (params.fflag){
 433                 if (!tparams) {
 434                         fprintf(stderr, "%s: Missing FIT support\n",
 435                                 params.cmdname);
 436                         exit (EXIT_FAILURE);
 437                 }
 438                 if (tparams->fflag_handle)
 439                         /*
 440                          * in some cases, some additional processing needs
 441                          * to be done if fflag is defined
 442                          *
 443                          * For ex. fit_handle_file for Fit file support
 444                          */
 445                         retval = tparams->fflag_handle(&params);
 446
 447                 if (retval != EXIT_SUCCESS)
 448                         usage("Bad parameters for FIT image type");
 449         }
 450
 451         if (params.lflag || params.fflag) {
 452                 ifd = open (params.imagefile, O_RDONLY|O_BINARY);
 453         } else {
 454                 ifd = open (params.imagefile,
 455                         O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
 456         }
 457
 458         if (ifd < 0) {
 459                 fprintf (stderr, "%s: Can't open %s: %s\n",
 460                         params.cmdname, params.imagefile,
 461                         strerror(errno));
 462                 exit (EXIT_FAILURE);
 463         }
 464
 465         if (params.lflag || params.fflag) {
 466                 uint64_t size;
 467                 /*
 468                  * list header information of existing image
 469                  */
 470                 if (fstat(ifd, &sbuf) < 0) {
 471                         fprintf (stderr, "%s: Can't stat %s: %s\n",
 472                                 params.cmdname, params.imagefile,
 473                                 strerror(errno));
 474                         exit (EXIT_FAILURE);
 475                 }
 476
 477                 if ((sbuf.st_mode & S_IFMT) == S_IFBLK) {
 478 #ifdef __linux__
 479 #if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64)
 480 #define BLKGETSIZE64 _IOR(0x12,114,size_t)      /* return device size in bytes (u64 *arg) */
 481 #endif
 482                         if (ioctl(ifd, BLKGETSIZE64, &size) < 0) {
 483                                 fprintf (stderr,
 484                                         "%s: failed to get size of block device \"%s\"\n",
 485                                         params.cmdname, params.imagefile);
 486                                 exit (EXIT_FAILURE);
 487                         }
 488 #else
 489                         fprintf (stderr,
 490                                 "%s: \"%s\" is block device, don't know how to get its size\n",
 491                                 params.cmdname, params.imagefile);
 492                         exit (EXIT_FAILURE);
 493 #endif
 494                 } else if (tparams && sbuf.st_size < (off_t)tparams->header_size) {
 495                         fprintf (stderr,
 496                                 "%s: Bad size: \"%s\" is not valid image: size %llu < %u\n",
 497                                 params.cmdname, params.imagefile,
 498                                 (unsigned long long) sbuf.st_size,
 499                                 tparams->header_size);
 500                         exit (EXIT_FAILURE);
 501                 } else {
 502                         size = sbuf.st_size;
 503                 }
 504
 505                 ptr = mmap(0, size, PROT_READ, MAP_SHARED, ifd, 0);
 506                 if (ptr == MAP_FAILED) {
 507                         fprintf (stderr, "%s: Can't read %s: %s\n",
 508                                 params.cmdname, params.imagefile,
 509                                 strerror(errno));
 510                         exit (EXIT_FAILURE);
 511                 }
 512
 513                 /*
 514                  * Verifies the header format based on the expected header for image
 515                  * type in tparams. If tparams is NULL simply check all image types
 516                  * to find one that matches our header.
 517                  */
 518                 retval = imagetool_verify_print_header(ptr, &sbuf, tparams, &params);
 519
 520                 (void) munmap((void *)ptr, sbuf.st_size);
 521                 (void) close (ifd);
 522                 if (!retval)
 523                         summary_show(&params.summary, params.imagefile,
 524                                      params.keydest);
 525
 526                 exit (retval);
 527         }
 528
 529         if ((params.type != IH_TYPE_MULTI) && (params.type != IH_TYPE_SCRIPT)) {
 530                 dfd = open(params.datafile, O_RDONLY | O_BINARY);
 531                 if (dfd < 0) {
 532                         fprintf(stderr, "%s: Can't open %s: %s\n",
 533                                 params.cmdname, params.datafile,
 534                                 strerror(errno));
 535                         exit(EXIT_FAILURE);
 536                 }
 537
 538                 if (fstat(dfd, &sbuf) < 0) {
 539                         fprintf(stderr, "%s: Can't stat %s: %s\n",
 540                                 params.cmdname, params.datafile,
 541                                 strerror(errno));
 542                         exit(EXIT_FAILURE);
 543                 }
 544
 545                 params.file_size = sbuf.st_size + tparams->header_size;
 546                 close(dfd);
 547         }
 548
 549         /*
 550          * In case there an header with a variable
 551          * length will be added, the corresponding
 552          * function is called. This is responsible to
 553          * allocate memory for the header itself.
 554          */
 555         if (tparams->vrec_header)
 556                 pad_len = tparams->vrec_header(&params, tparams);
 557         else
 558                 memset(tparams->hdr, 0, tparams->header_size);
 559
 560         if (write(ifd, tparams->hdr, tparams->header_size)
 561                                         != tparams->header_size) {
 562                 fprintf (stderr, "%s: Write error on %s: %s\n",
 563                         params.cmdname, params.imagefile, strerror(errno));
 564                 exit (EXIT_FAILURE);
 565         }
 566
 567         if (!params.skipcpy) {
 568                 if (params.type == IH_TYPE_MULTI ||
 569                     params.type == IH_TYPE_SCRIPT) {
 570                         char *file = params.datafile;
 571                         uint32_t size;
 572
 573                         for (;;) {
 574                                 char *sep = NULL;
 575
 576                                 if (file) {
 577                                         if ((sep = strchr(file, ':')) != NULL) {
 578                                                 *sep = '\0';
 579                                         }
 580
 581                                         if (stat (file, &sbuf) < 0) {
 582                                                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 583                                                          params.cmdname, file, strerror(errno));
 584                                                 exit (EXIT_FAILURE);
 585                                         }
 586                                         size = cpu_to_uimage (sbuf.st_size);
 587                                 } else {
 588                                         size = 0;
 589                                 }
 590
 591                                 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
 592                                         fprintf (stderr, "%s: Write error on %s: %s\n",
 593                                                  params.cmdname, params.imagefile,
 594                                                  strerror(errno));
 595                                         exit (EXIT_FAILURE);
 596                                 }
 597
 598                                 if (!file) {
 599                                         break;
 600                                 }
 601
 602                                 if (sep) {
 603                                         *sep = ':';
 604                                         file = sep + 1;
 605                                 } else {
 606                                         file = NULL;
 607                                 }
 608                         }
 609
 610                         file = params.datafile;
 611
 612                         for (;;) {
 613                                 char *sep = strchr(file, ':');
 614                                 if (sep) {
 615                                         *sep = '\0';
 616                                         copy_file (ifd, file, 1);
 617                                         *sep++ = ':';
 618                                         file = sep;
 619                                 } else {
 620                                         copy_file (ifd, file, 0);
 621                                         break;
 622                                 }
 623                         }
 624                 } else if (params.type == IH_TYPE_PBLIMAGE) {
 625                         /* PBL has special Image format, implements its' own */
 626                         pbl_load_uboot(ifd, &params);
 627                 } else if (params.type == IH_TYPE_ZYNQMPBIF) {
 628                         /* Image file is meta, walk through actual targets */
 629                         int ret;
 630
 631                         ret = zynqmpbif_copy_image(ifd, &params);
 632                         if (ret)
 633                                 return ret;
 634                 } else if (params.type == IH_TYPE_IMX8IMAGE) {
 635                         /* i.MX8/8X has special Image format */
 636                         int ret;
 637
 638                         ret = imx8image_copy_image(ifd, &params);
 639                         if (ret)
 640                                 return ret;
 641                 } else if (params.type == IH_TYPE_IMX8MIMAGE) {
 642                         /* i.MX8M has special Image format */
 643                         int ret;
 644
 645                         ret = imx8mimage_copy_image(ifd, &params);
 646                         if (ret)
 647                                 return ret;
 648                 } else if ((params.type == IH_TYPE_RKSD) ||
 649                                 (params.type == IH_TYPE_RKSPI)) {
 650                         /* Rockchip has special Image format */
 651                         int ret;
 652
 653                         ret = rockchip_copy_image(ifd, &params);
 654                         if (ret)
 655                                 return ret;
 656                 } else {
 657                         copy_file(ifd, params.datafile, pad_len);
 658                 }
 659                 if (params.type == IH_TYPE_FIRMWARE_IVT) {
 660                         /* Add alignment and IVT */
 661                         uint32_t aligned_filesize = ALIGN(params.file_size,
 662                                                           0x1000);
 663                         flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 },
 664                                         params.addr, 0, 0, 0, params.addr
 665                                                         + aligned_filesize
 666                                                         - tparams->header_size,
 667                                         params.addr + aligned_filesize
 668                                                         - tparams->header_size
 669                                                         + 0x20, 0 };
 670                         int i = params.file_size;
 671                         for (; i < aligned_filesize; i++) {
 672                                 if (write(ifd, (char *) &i, 1) != 1) {
 673                                         fprintf(stderr,
 674                                                         "%s: Write error on %s: %s\n",
 675                                                         params.cmdname,
 676                                                         params.imagefile,
 677                                                         strerror(errno));
 678                                         exit(EXIT_FAILURE);
 679                                 }
 680                         }
 681                         if (write(ifd, &ivt_header, sizeof(flash_header_v2_t))
 682                                         != sizeof(flash_header_v2_t)) {
 683                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 684                                                 params.cmdname,
 685                                                 params.imagefile,
 686                                                 strerror(errno));
 687                                 exit(EXIT_FAILURE);
 688                         }
 689                 }
 690         }
 691
 692         /* We're a bit of paranoid */
 693 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 694    !defined(__sun__) && \
 695    !defined(__FreeBSD__) && \
 696    !defined(__OpenBSD__) && \
 697    !defined(__APPLE__)
 698         (void) fdatasync (ifd);
 699 #else
 700         (void) fsync (ifd);
 701 #endif
 702
 703         if (fstat(ifd, &sbuf) < 0) {
 704                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 705                         params.cmdname, params.imagefile, strerror(errno));
 706                 exit (EXIT_FAILURE);
 707         }
 708         params.file_size = sbuf.st_size;
 709
 710         map_len = sbuf.st_size;
 711         ptr = mmap(0, map_len, PROT_READ | PROT_WRITE, MAP_SHARED, ifd, 0);
 712         if (ptr == MAP_FAILED) {
 713                 fprintf (stderr, "%s: Can't map %s: %s\n",
 714                         params.cmdname, params.imagefile, strerror(errno));
 715                 exit (EXIT_FAILURE);
 716         }
 717
 718         /* Setup the image header as per input image type*/
 719         if (tparams->set_header)
 720                 tparams->set_header (ptr, &sbuf, ifd, &params);
 721         else {
 722                 fprintf (stderr, "%s: Can't set header for %s: %s\n",
 723                         params.cmdname, tparams->name, strerror(errno));
 724                 exit (EXIT_FAILURE);
 725         }
 726
 727         /* Print the image information by processing image header */
 728         if (tparams->print_header)
 729                 tparams->print_header (ptr);
 730         else {
 731                 fprintf (stderr, "%s: Can't print header for %s\n",
 732                         params.cmdname, tparams->name);
 733         }
 734
 735         (void)munmap((void *)ptr, map_len);
 736
 737         /* We're a bit of paranoid */
 738 #if defined(_POSIX_SYNCHRONIZED_IO) && \
 739    !defined(__sun__) && \
 740    !defined(__FreeBSD__) && \
 741    !defined(__OpenBSD__) && \
 742    !defined(__APPLE__)
 743         (void) fdatasync (ifd);
 744 #else
 745         (void) fsync (ifd);
 746 #endif
 747
 748         if (close(ifd)) {
 749                 fprintf (stderr, "%s: Write error on %s: %s\n",
 750                         params.cmdname, params.imagefile, strerror(errno));
 751                 exit (EXIT_FAILURE);
 752         }
 753
 754         if (tparams->verify_header)
 755                 verify_image(tparams);
 756
 757         exit (EXIT_SUCCESS);
 758 }
 759
 760 static void
 761 copy_file (int ifd, const char *datafile, int pad)
 762 {
 763         int dfd;
 764         struct stat sbuf;
 765         unsigned char *ptr;
 766         int tail;
 767         int zero = 0;
 768         uint8_t zeros[4096];
 769         int offset = 0;
 770         int size, ret;
 771         struct image_type_params *tparams = imagetool_get_type(params.type);
 772
 773         memset(zeros, 0, sizeof(zeros));
 774
 775         if (params.vflag) {
 776                 fprintf (stderr, "Adding Image %s\n", datafile);
 777         }
 778
 779         if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
 780                 fprintf (stderr, "%s: Can't open %s: %s\n",
 781                         params.cmdname, datafile, strerror(errno));
 782                 exit (EXIT_FAILURE);
 783         }
 784
 785         if (fstat(dfd, &sbuf) < 0) {
 786                 fprintf (stderr, "%s: Can't stat %s: %s\n",
 787                         params.cmdname, datafile, strerror(errno));
 788                 exit (EXIT_FAILURE);
 789         }
 790
 791         if (sbuf.st_size == 0) {
 792                 fprintf (stderr, "%s: Input file %s is empty, bailing out\n",
 793                         params.cmdname, datafile);
 794                 exit (EXIT_FAILURE);
 795         }
 796
 797         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
 798         if (ptr == MAP_FAILED) {
 799                 fprintf (stderr, "%s: Can't read %s: %s\n",
 800                         params.cmdname, datafile, strerror(errno));
 801                 exit (EXIT_FAILURE);
 802         }
 803
 804         if (params.xflag) {
 805                 unsigned char *p = NULL;
 806                 /*
 807                  * XIP: do not append the image_header_t at the
 808                  * beginning of the file, but consume the space
 809                  * reserved for it.
 810                  */
 811
 812                 if ((unsigned)sbuf.st_size < tparams->header_size) {
 813                         fprintf (stderr,
 814                                 "%s: Bad size: \"%s\" is too small for XIP\n",
 815                                 params.cmdname, datafile);
 816                         exit (EXIT_FAILURE);
 817                 }
 818
 819                 for (p = ptr; p < ptr + tparams->header_size; p++) {
 820                         if ( *p != 0xff ) {
 821                                 fprintf (stderr,
 822                                         "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
 823                                         params.cmdname, datafile);
 824                                 exit (EXIT_FAILURE);
 825                         }
 826                 }
 827
 828                 offset = tparams->header_size;
 829         }
 830
 831         size = sbuf.st_size - offset;
 832
 833         ret = write(ifd, ptr + offset, size);
 834         if (ret != size) {
 835                 if (ret < 0)
 836                         fprintf (stderr, "%s: Write error on %s: %s\n",
 837                                  params.cmdname, params.imagefile, strerror(errno));
 838                 else if (ret < size)
 839                         fprintf (stderr, "%s: Write only %d/%d bytes, "\
 840                                  "probably no space left on the device\n",
 841                                  params.cmdname, ret, size);
 842                 exit (EXIT_FAILURE);
 843         }
 844
 845         tail = size % 4;
 846         if ((pad == 1) && (tail != 0)) {
 847
 848                 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
 849                         fprintf (stderr, "%s: Write error on %s: %s\n",
 850                                 params.cmdname, params.imagefile,
 851                                 strerror(errno));
 852                         exit (EXIT_FAILURE);
 853                 }
 854         } else if (pad > 1) {
 855                 while (pad > 0) {
 856                         int todo = sizeof(zeros);
 857
 858                         if (todo > pad)
 859                                 todo = pad;
 860                         if (write(ifd, (char *)&zeros, todo) != todo) {
 861                                 fprintf(stderr, "%s: Write error on %s: %s\n",
 862                                         params.cmdname, params.imagefile,
 863                                         strerror(errno));
 864                                 exit(EXIT_FAILURE);
 865                         }
 866                         pad -= todo;
 867                 }
 868         }
 869
 870         (void) munmap((void *)ptr, sbuf.st_size);
 871         (void) close (dfd);
 872 }