tools/rkcommon.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2015 Google,  Inc
   4  * Written by Simon Glass <sjg@chromium.org>
   5  *
   6  * (C) 2017 Theobroma Systems Design und Consulting GmbH
   7  *
   8  * Helper functions for Rockchip images
   9  */
  10
  11 #include "imagetool.h"
  12 #include <image.h>
  13 #include <u-boot/sha256.h>
  14 #include <rc4.h>
  15 #include "mkimage.h"
  16 #include "rkcommon.h"
  17
  18 enum {
  19         RK_MAGIC                = 0x0ff0aa55,
  20         RK_MAGIC_V2             = 0x534E4B52,
  21 };
  22
  23 enum {
  24         RK_HEADER_V1    = 1,
  25         RK_HEADER_V2    = 2,
  26 };
  27
  28 enum hash_type {
  29         HASH_NONE       = 0,
  30         HASH_SHA256     = 1,
  31         HASH_SHA512     = 2,
  32 };
  33
  34 /**
  35  * struct image_entry
  36  *
  37  * @size_and_off:       [31:16]image size;[15:0]image offset
  38  * @address:    default as 0xFFFFFFFF
  39  * @flag:       no use
  40  * @counter:    no use
  41  * @hash:       hash of image
  42  *
  43  */
  44 struct image_entry {
  45         uint32_t size_and_off;
  46         uint32_t address;
  47         uint32_t flag;
  48         uint32_t counter;
  49         uint8_t reserved[8];
  50         uint8_t hash[64];
  51 };
  52
  53 /**
  54  * struct header0_info_v2 - v2 header block for rockchip BootRom
  55  *
  56  * This is stored at SD card block 64 (where each block is 512 bytes)
  57  *
  58  * @magic:      Magic (must be RK_MAGIC_V2)
  59  * @size_and_nimage:    [31:16]number of images;[15:0]
  60  *                      offset to hash field of header(unit as 4Byte)
  61  * @boot_flag:  [3:0]hash type(0:none,1:sha256,2:sha512)
  62  * @signature:  hash or signature for header info
  63  *
  64  */
  65 struct header0_info_v2 {
  66         uint32_t magic;
  67         uint8_t reserved[4];
  68         uint32_t size_and_nimage;
  69         uint32_t boot_flag;
  70         uint8_t reserved1[104];
  71         struct image_entry images[4];
  72         uint8_t reserved2[1064];
  73         uint8_t hash[512];
  74 };
  75
  76 /**
  77  * struct header0_info - header block for boot ROM
  78  *
  79  * This is stored at SD card block 64 (where each block is 512 bytes, or at
  80  * the start of SPI flash. It is encoded with RC4.
  81  *
  82  * @magic:              Magic (must be RK_MAGIC)
  83  * @disable_rc4:        0 to use rc4 for boot image,  1 to use plain binary
  84  * @init_offset:        Offset in blocks of the SPL code from this header
  85  *                      block. E.g. 4 means 2KB after the start of this header.
  86  * Other fields are not used by U-Boot
  87  */
  88 struct header0_info {
  89         uint32_t magic;
  90         uint8_t reserved[4];
  91         uint32_t disable_rc4;
  92         uint16_t init_offset;
  93         uint8_t reserved1[492];
  94         uint16_t init_size;
  95         uint16_t init_boot_size;
  96         uint8_t reserved2[2];
  97 };
  98
  99 /**
 100  * struct header1_info
 101  */
 102 struct header1_info {
 103         uint32_t magic;
 104 };
 105
 106 /**
 107  * struct spl_info - spl info for each chip
 108  *
 109  * @imagename:          Image name(passed by "mkimage -n")
 110  * @spl_hdr:            Boot ROM requires a 4-bytes spl header
 111  * @spl_size:           Spl size(include extra 4-bytes spl header)
 112  * @spl_rc4:            RC4 encode the SPL binary (same key as header)
 113  * @header_ver:         header block version
 114  */
 115 struct spl_info {
 116         const char *imagename;
 117         const char *spl_hdr;
 118         const uint32_t spl_size;
 119         const bool spl_rc4;
 120         const uint32_t header_ver;
 121 };
 122
 123 static struct spl_info spl_infos[] = {
 124         { "px30", "RK33", 0x2800, false, RK_HEADER_V1 },
 125         { "rk3036", "RK30", 0x1000, false, RK_HEADER_V1 },
 126         { "rk3066", "RK30", 0x8000 - 0x800, true, RK_HEADER_V1 },
 127         { "rk3128", "RK31", 0x1800, false, RK_HEADER_V1 },
 128         { "rk3188", "RK31", 0x8000 - 0x800, true, RK_HEADER_V1 },
 129         { "rk322x", "RK32", 0x8000 - 0x1000, false, RK_HEADER_V1 },
 130         { "rk3288", "RK32", 0x8000, false, RK_HEADER_V1 },
 131         { "rk3308", "RK33", 0x40000 - 0x1000, false, RK_HEADER_V1 },
 132         { "rk3328", "RK32", 0x8000 - 0x800, false, RK_HEADER_V1 },
 133         { "rk3368", "RK33", 0x8000 - 0x1000, false, RK_HEADER_V1 },
 134         { "rk3399", "RK33", 0x30000 - 0x2000, false, RK_HEADER_V1 },
 135         { "rv1108", "RK11", 0x1800, false, RK_HEADER_V1 },
 136         { "rv1126", "110B", 0x10000 - 0x1000, false, RK_HEADER_V1 },
 137         { "rk3568", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 },
 138         { "rk3588", "RK35", 0x100000 - 0x1000, false, RK_HEADER_V2 },
 139 };
 140
 141 /**
 142  * struct spl_params - spl params parsed in check_params()
 143  *
 144  * @init_file:          Init data file path
 145  * @init_size:          Aligned size of init data in bytes
 146  * @boot_file:          Boot data file path
 147  * @boot_size:          Aligned size of boot data in bytes
 148  */
 149
 150 struct spl_params {
 151         char *init_file;
 152         uint32_t init_size;
 153         char *boot_file;
 154         uint32_t boot_size;
 155 };
 156
 157 static struct spl_params spl_params = { 0 };
 158
 159 static const unsigned char rc4_key[16] = {
 160         124, 78, 3, 4, 85, 5, 9, 7,
 161         45, 44, 123, 56, 23, 13, 23, 17
 162 };
 163
 164 static struct spl_info *rkcommon_get_spl_info(char *imagename)
 165 {
 166         int i;
 167
 168         if (!imagename)
 169                 return NULL;
 170
 171         for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
 172                 if (!strncmp(imagename, spl_infos[i].imagename, 6))
 173                         return spl_infos + i;
 174
 175         return NULL;
 176 }
 177
 178 static int rkcommon_get_aligned_size(struct image_tool_params *params,
 179                                      const char *fname)
 180 {
 181         int size;
 182
 183         size = imagetool_get_filesize(params, fname);
 184         if (size < 0)
 185                 return -1;
 186
 187         /*
 188          * Pad to a 2KB alignment, as required for init/boot size by the ROM
 189          * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html)
 190          */
 191         return ROUND(size, RK_SIZE_ALIGN);
 192 }
 193
 194 int rkcommon_check_params(struct image_tool_params *params)
 195 {
 196         int i, size;
 197
 198         /*
 199          * If this is a operation (list or extract), the don't require
 200          * imagename to be set.
 201          */
 202         if (params->lflag || params->iflag)
 203                 return EXIT_SUCCESS;
 204
 205         if (!rkcommon_get_spl_info(params->imagename))
 206                 goto err_spl_info;
 207
 208         spl_params.init_file = params->datafile;
 209
 210         spl_params.boot_file = strchr(spl_params.init_file, ':');
 211         if (spl_params.boot_file) {
 212                 *spl_params.boot_file = '\0';
 213                 spl_params.boot_file += 1;
 214         }
 215
 216         size = rkcommon_get_aligned_size(params, spl_params.init_file);
 217         if (size < 0)
 218                 return EXIT_FAILURE;
 219         spl_params.init_size = size;
 220
 221         /* Boot file is optional, and only for back-to-bootrom functionality. */
 222         if (spl_params.boot_file) {
 223                 size = rkcommon_get_aligned_size(params, spl_params.boot_file);
 224                 if (size < 0)
 225                         return EXIT_FAILURE;
 226                 spl_params.boot_size = size;
 227         }
 228
 229         if (spl_params.init_size > rkcommon_get_spl_size(params)) {
 230                 fprintf(stderr,
 231                         "Error: SPL image is too large (size %#x than %#x)\n",
 232                         spl_params.init_size, rkcommon_get_spl_size(params));
 233                 return EXIT_FAILURE;
 234         }
 235
 236         return EXIT_SUCCESS;
 237
 238 err_spl_info:
 239         fprintf(stderr, "ERROR: imagename (%s) is not supported!\n",
 240                 params->imagename ? params->imagename : "NULL");
 241
 242         fprintf(stderr, "Available imagename:");
 243         for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
 244                 fprintf(stderr, "\t%s", spl_infos[i].imagename);
 245         fprintf(stderr, "\n");
 246
 247         return EXIT_FAILURE;
 248 }
 249
 250 const char *rkcommon_get_spl_hdr(struct image_tool_params *params)
 251 {
 252         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 253
 254         /*
 255          * info would not be NULL, because of we checked params before.
 256          */
 257         return info->spl_hdr;
 258 }
 259
 260 int rkcommon_get_spl_size(struct image_tool_params *params)
 261 {
 262         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 263
 264         /*
 265          * info would not be NULL, because of we checked params before.
 266          */
 267         return info->spl_size;
 268 }
 269
 270 bool rkcommon_need_rc4_spl(struct image_tool_params *params)
 271 {
 272         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 273
 274         /*
 275          * info would not be NULL, because of we checked params before.
 276          */
 277         return info->spl_rc4;
 278 }
 279
 280 bool rkcommon_is_header_v2(struct image_tool_params *params)
 281 {
 282         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 283
 284         return (info->header_ver == RK_HEADER_V2);
 285 }
 286
 287 static void do_sha256_hash(uint8_t *buf, uint32_t size, uint8_t *out)
 288 {
 289         sha256_context ctx;
 290
 291         sha256_starts(&ctx);
 292         sha256_update(&ctx, buf, size);
 293         sha256_finish(&ctx, out);
 294 }
 295
 296 static void rkcommon_set_header0(void *buf, struct image_tool_params *params)
 297 {
 298         struct header0_info *hdr = buf;
 299         uint32_t init_boot_size;
 300
 301         memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
 302         hdr->magic = cpu_to_le32(RK_MAGIC);
 303         hdr->disable_rc4 = cpu_to_le32(!rkcommon_need_rc4_spl(params));
 304         hdr->init_offset = cpu_to_le16(RK_INIT_OFFSET);
 305         hdr->init_size   = cpu_to_le16(spl_params.init_size / RK_BLK_SIZE);
 306
 307         /*
 308          * init_boot_size needs to be set, as it is read by the BootROM
 309          * to determine the size of the next-stage bootloader (e.g. U-Boot
 310          * proper), when used with the back-to-bootrom functionality.
 311          *
 312          * see https://lists.denx.de/pipermail/u-boot/2017-May/293267.html
 313          * for a more detailed explanation by Andy Yan
 314          */
 315         if (spl_params.boot_file)
 316                 init_boot_size = spl_params.init_size + spl_params.boot_size;
 317         else
 318                 init_boot_size = spl_params.init_size + RK_MAX_BOOT_SIZE;
 319         hdr->init_boot_size = cpu_to_le16(init_boot_size / RK_BLK_SIZE);
 320
 321         rc4_encode(buf, RK_BLK_SIZE, rc4_key);
 322 }
 323
 324 static void rkcommon_set_header0_v2(void *buf, struct image_tool_params *params)
 325 {
 326         struct header0_info_v2 *hdr = buf;
 327         uint32_t sector_offset, image_sector_count;
 328         uint32_t image_size_array[2];
 329         uint8_t *image_ptr = NULL;
 330         int i;
 331
 332         printf("Image Type:   Rockchip %s boot image\n",
 333                 rkcommon_get_spl_hdr(params));
 334         memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
 335         hdr->magic   = cpu_to_le32(RK_MAGIC_V2);
 336         hdr->size_and_nimage = cpu_to_le32((2 << 16) + 384);
 337         hdr->boot_flag = cpu_to_le32(HASH_SHA256);
 338         sector_offset = 4;
 339         image_size_array[0] = spl_params.init_size;
 340         image_size_array[1] = spl_params.boot_size;
 341
 342         for (i = 0; i < 2; i++) {
 343                 image_sector_count = image_size_array[i] / RK_BLK_SIZE;
 344                 hdr->images[i].size_and_off = cpu_to_le32((image_sector_count
 345                                                         << 16) + sector_offset);
 346                 hdr->images[i].address = 0xFFFFFFFF;
 347                 hdr->images[i].counter = cpu_to_le32(i + 1);
 348                 image_ptr = buf + sector_offset * RK_BLK_SIZE;
 349                 do_sha256_hash(image_ptr, image_size_array[i],
 350                                hdr->images[i].hash);
 351                 sector_offset = sector_offset + image_sector_count;
 352         }
 353
 354         do_sha256_hash(buf, (void *)hdr->hash - buf, hdr->hash);
 355 }
 356
 357 void rkcommon_set_header(void *buf,  struct stat *sbuf,  int ifd,
 358                          struct image_tool_params *params)
 359 {
 360         struct header1_info *hdr = buf + RK_SPL_HDR_START;
 361
 362         if (rkcommon_is_header_v2(params)) {
 363                 rkcommon_set_header0_v2(buf, params);
 364         } else {
 365                 rkcommon_set_header0(buf, params);
 366
 367                 /* Set up the SPL name (i.e. copy spl_hdr over) */
 368                 if (memcmp(&hdr->magic, "RSAK", 4))
 369                         memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);
 370
 371                 if (rkcommon_need_rc4_spl(params))
 372                         rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START,
 373                                                 spl_params.init_size);
 374
 375                 if (spl_params.boot_file) {
 376                         if (rkcommon_need_rc4_spl(params))
 377                                 rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START,
 378                                                         spl_params.init_size,
 379                                                         spl_params.boot_size);
 380                 }
 381         }
 382 }
 383
 384 static inline unsigned int rkcommon_offset_to_spi(unsigned int offset)
 385 {
 386         /*
 387          * While SD/MMC images use a flat addressing, SPI images are padded
 388          * to use the first 2K of every 4K sector only.
 389          */
 390         return ((offset & ~0x7ff) << 1) + (offset & 0x7ff);
 391 }
 392
 393 static int rkcommon_parse_header(const void *buf, struct header0_info *header0,
 394                                  struct spl_info **spl_info)
 395 {
 396         unsigned int hdr1_offset;
 397         struct header1_info *hdr1_sdmmc, *hdr1_spi;
 398         int i;
 399
 400         if (spl_info)
 401                 *spl_info = NULL;
 402
 403         /*
 404          * The first header (hdr0) is always RC4 encoded, so try to decrypt
 405          * with the well-known key.
 406          */
 407         memcpy((void *)header0, buf, sizeof(struct header0_info));
 408         rc4_encode((void *)header0, sizeof(struct header0_info), rc4_key);
 409
 410         if (le32_to_cpu(header0->magic) != RK_MAGIC)
 411                 return -EPROTO;
 412
 413         /* We don't support RC4 encoded image payloads here, yet... */
 414         if (le32_to_cpu(header0->disable_rc4) == 0)
 415                 return -ENOSYS;
 416
 417         hdr1_offset = le16_to_cpu(header0->init_offset) * RK_BLK_SIZE;
 418         hdr1_sdmmc = (struct header1_info *)(buf + hdr1_offset);
 419         hdr1_spi = (struct header1_info *)(buf +
 420                                            rkcommon_offset_to_spi(hdr1_offset));
 421
 422         for (i = 0; i < ARRAY_SIZE(spl_infos); i++) {
 423                 if (!memcmp(&hdr1_sdmmc->magic, spl_infos[i].spl_hdr,
 424                             RK_SPL_HDR_SIZE)) {
 425                         if (spl_info)
 426                                 *spl_info = &spl_infos[i];
 427                         return IH_TYPE_RKSD;
 428                 } else if (!memcmp(&hdr1_spi->magic, spl_infos[i].spl_hdr,
 429                                    RK_SPL_HDR_SIZE)) {
 430                         if (spl_info)
 431                                 *spl_info = &spl_infos[i];
 432                         return IH_TYPE_RKSPI;
 433                 }
 434         }
 435
 436         return -1;
 437 }
 438
 439 static int rkcommon_parse_header_v2(const void *buf, struct header0_info_v2 *header)
 440 {
 441         memcpy((void *)header, buf, sizeof(struct header0_info_v2));
 442
 443         if (le32_to_cpu(header->magic) != RK_MAGIC_V2)
 444                 return -EPROTO;
 445
 446         return 0;
 447 }
 448
 449 int rkcommon_verify_header(unsigned char *buf, int size,
 450                            struct image_tool_params *params)
 451 {
 452         struct header0_info header0;
 453         struct spl_info *img_spl_info, *spl_info;
 454         int ret;
 455
 456         /* spl_hdr is abandon on header_v2 */
 457         if ((*(uint32_t *)buf) == RK_MAGIC_V2)
 458                 return 0;
 459
 460         ret = rkcommon_parse_header(buf, &header0, &img_spl_info);
 461
 462         /* If this is the (unimplemented) RC4 case, then rewrite the result */
 463         if (ret == -ENOSYS)
 464                 return 0;
 465
 466         if (ret < 0)
 467                 return ret;
 468
 469         /*
 470          * If no 'imagename' is specified via the commandline (e.g. if this is
 471          * 'dumpimage -l' w/o any further constraints), we accept any spl_info.
 472          */
 473         if (params->imagename == NULL)
 474                 return 0;
 475
 476         /* Match the 'imagename' against the 'spl_hdr' found */
 477         spl_info = rkcommon_get_spl_info(params->imagename);
 478         if (spl_info && img_spl_info)
 479                 return strcmp(spl_info->spl_hdr, img_spl_info->spl_hdr);
 480
 481         return -ENOENT;
 482 }
 483
 484 void rkcommon_print_header(const void *buf, struct image_tool_params *params)
 485 {
 486         struct header0_info header0;
 487         struct header0_info_v2 header0_v2;
 488         struct spl_info *spl_info;
 489         uint8_t image_type;
 490         int ret, boot_size, init_size;
 491
 492         if ((*(uint32_t *)buf) == RK_MAGIC_V2) {
 493                 ret = rkcommon_parse_header_v2(buf, &header0_v2);
 494
 495                 if (ret < 0) {
 496                         fprintf(stderr, "Error: image verification failed\n");
 497                         return;
 498                 }
 499
 500                 init_size = header0_v2.images[0].size_and_off >> 16;
 501                 init_size = init_size * RK_BLK_SIZE;
 502                 boot_size = header0_v2.images[1].size_and_off >> 16;
 503                 boot_size = boot_size * RK_BLK_SIZE;
 504         } else {
 505                 ret = rkcommon_parse_header(buf, &header0, &spl_info);
 506
 507                 /* If this is the (unimplemented) RC4 case, then fail silently */
 508                 if (ret == -ENOSYS)
 509                         return;
 510
 511                 if (ret < 0) {
 512                         fprintf(stderr, "Error: image verification failed\n");
 513                         return;
 514                 }
 515
 516                 image_type = ret;
 517                 init_size = header0.init_size * RK_BLK_SIZE;
 518                 boot_size = header0.init_boot_size * RK_BLK_SIZE - init_size;
 519
 520                 printf("Image Type:   Rockchip %s (%s) boot image\n",
 521                        spl_info->spl_hdr,
 522                        (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI");
 523         }
 524
 525         printf("Init Data Size: %d bytes\n", init_size);
 526
 527         if (boot_size != RK_MAX_BOOT_SIZE)
 528                 printf("Boot Data Size: %d bytes\n", boot_size);
 529 }
 530
 531 void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size)
 532 {
 533         unsigned int remaining = size;
 534
 535         while (remaining > 0) {
 536                 int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining;
 537
 538                 rc4_encode(buf + offset, step, rc4_key);
 539                 offset += RK_BLK_SIZE;
 540                 remaining -= step;
 541         }
 542 }
 543
 544 int rkcommon_vrec_header(struct image_tool_params *params,
 545                          struct image_type_params *tparams)
 546 {
 547         /*
 548          * The SPL image looks as follows:
 549          *
 550          * 0x0    header0 (see rkcommon.c)
 551          * 0x800  spl_name ('RK30', ..., 'RK33')
 552          *        (start of the payload for AArch64 payloads: we expect the
 553          *        first 4 bytes to be available for overwriting with our
 554          *        spl_name)
 555          * 0x804  first instruction to be executed
 556          *        (start of the image/payload for 32bit payloads)
 557          *
 558          * For AArch64 (ARMv8) payloads, natural alignment (8-bytes) is
 559          * required for its sections (so the image we receive needs to
 560          * have the first 4 bytes reserved for the spl_name).  Reserving
 561          * these 4 bytes is done using the BOOT0_HOOK infrastructure.
 562          *
 563          * The header is always at 0x800 (as we now use a payload
 564          * prepadded using the boot0 hook for all targets): the first
 565          * 4 bytes of these images can safely be overwritten using the
 566          * boot magic.
 567          */
 568         tparams->header_size = RK_SPL_HDR_START;
 569
 570         /* Allocate, clear and install the header */
 571         tparams->hdr = malloc(tparams->header_size);
 572         if (!tparams->hdr) {
 573                 fprintf(stderr, "%s: Can't alloc header: %s\n",
 574                         params->cmdname, strerror(errno));
 575                 exit(EXIT_FAILURE);
 576         }
 577         memset(tparams->hdr, 0, tparams->header_size);
 578
 579         /*
 580          * We need to store the original file-size (i.e. before padding), as
 581          * imagetool does not set this during its adjustment of file_size.
 582          */
 583         params->orig_file_size = tparams->header_size +
 584                 spl_params.init_size + spl_params.boot_size;
 585
 586         params->file_size = ROUND(params->orig_file_size, RK_SIZE_ALIGN);
 587
 588         /* Ignoring pad len, since we are using our own copy_image() */
 589         return 0;
 590 }
 591
 592 static int pad_file(struct image_tool_params *params, int ifd, int pad)
 593 {
 594         uint8_t zeros[4096];
 595
 596         memset(zeros, 0, sizeof(zeros));
 597
 598         while (pad > 0) {
 599                 int todo = sizeof(zeros);
 600
 601                 if (todo > pad)
 602                         todo = pad;
 603                 if (write(ifd, (char *)&zeros, todo) != todo) {
 604                         fprintf(stderr, "%s: Write error on %s: %s\n",
 605                                 params->cmdname, params->imagefile,
 606                                 strerror(errno));
 607                         return -1;
 608                 }
 609                 pad -= todo;
 610         }
 611
 612         return 0;
 613 }
 614
 615 static int copy_file(struct image_tool_params *params, int ifd,
 616                      const char *file, int padded_size)
 617 {
 618         int dfd;
 619         struct stat sbuf;
 620         unsigned char *ptr;
 621         int size;
 622
 623         if (params->vflag)
 624                 fprintf(stderr, "Adding Image %s\n", file);
 625
 626         dfd = open(file, O_RDONLY | O_BINARY);
 627         if (dfd < 0) {
 628                 fprintf(stderr, "%s: Can't open %s: %s\n",
 629                         params->cmdname, file, strerror(errno));
 630                 return -1;
 631         }
 632
 633         if (fstat(dfd, &sbuf) < 0) {
 634                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 635                         params->cmdname, file, strerror(errno));
 636                 goto err_close;
 637         }
 638
 639         if (params->vflag)
 640                 fprintf(stderr, "Size %u(pad to %u)\n",
 641                         (int)sbuf.st_size, padded_size);
 642
 643         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
 644         if (ptr == MAP_FAILED) {
 645                 fprintf(stderr, "%s: Can't read %s: %s\n",
 646                         params->cmdname, file, strerror(errno));
 647                 goto err_munmap;
 648         }
 649
 650         size = sbuf.st_size;
 651         if (write(ifd, ptr, size) != size) {
 652                 fprintf(stderr, "%s: Write error on %s: %s\n",
 653                         params->cmdname, params->imagefile, strerror(errno));
 654                 goto err_munmap;
 655         }
 656
 657         munmap((void *)ptr, sbuf.st_size);
 658         close(dfd);
 659         return pad_file(params, ifd, padded_size - size);
 660
 661 err_munmap:
 662         munmap((void *)ptr, sbuf.st_size);
 663 err_close:
 664         close(dfd);
 665         return -1;
 666 }
 667
 668 int rockchip_copy_image(int ifd, struct image_tool_params *params)
 669 {
 670         int ret;
 671
 672         ret = copy_file(params, ifd, spl_params.init_file,
 673                         spl_params.init_size);
 674         if (ret)
 675                 return ret;
 676
 677         if (spl_params.boot_file) {
 678                 ret = copy_file(params, ifd, spl_params.boot_file,
 679                                 spl_params.boot_size);
 680                 if (ret)
 681                         return ret;
 682         }
 683
 684         return pad_file(params, ifd,
 685                         params->file_size - params->orig_file_size);
 686 }