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         { "rk3128", "RK31", 0x1800, false, RK_HEADER_V1 },
 127         { "rk3188", "RK31", 0x8000 - 0x800, true, RK_HEADER_V1 },
 128         { "rk322x", "RK32", 0x8000 - 0x1000, false, RK_HEADER_V1 },
 129         { "rk3288", "RK32", 0x8000, false, RK_HEADER_V1 },
 130         { "rk3308", "RK33", 0x40000 - 0x1000, false, RK_HEADER_V1 },
 131         { "rk3328", "RK32", 0x8000 - 0x1000, false, RK_HEADER_V1 },
 132         { "rk3368", "RK33", 0x8000 - 0x1000, false, RK_HEADER_V1 },
 133         { "rk3399", "RK33", 0x30000 - 0x2000, false, RK_HEADER_V1 },
 134         { "rv1108", "RK11", 0x1800, false, RK_HEADER_V1 },
 135         { "rk3568", "RK35", 0x14000 - 0x1000, false, RK_HEADER_V2 },
 136 };
 137
 138 /**
 139  * struct spl_params - spl params parsed in check_params()
 140  *
 141  * @init_file:          Init data file path
 142  * @init_size:          Aligned size of init data in bytes
 143  * @boot_file:          Boot data file path
 144  * @boot_size:          Aligned size of boot data in bytes
 145  */
 146
 147 struct spl_params {
 148         char *init_file;
 149         uint32_t init_size;
 150         char *boot_file;
 151         uint32_t boot_size;
 152 };
 153
 154 static struct spl_params spl_params = { 0 };
 155
 156 static unsigned char rc4_key[16] = {
 157         124, 78, 3, 4, 85, 5, 9, 7,
 158         45, 44, 123, 56, 23, 13, 23, 17
 159 };
 160
 161 static struct spl_info *rkcommon_get_spl_info(char *imagename)
 162 {
 163         int i;
 164
 165         if (!imagename)
 166                 return NULL;
 167
 168         for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
 169                 if (!strncmp(imagename, spl_infos[i].imagename, 6))
 170                         return spl_infos + i;
 171
 172         return NULL;
 173 }
 174
 175 static int rkcommon_get_aligned_size(struct image_tool_params *params,
 176                                      const char *fname)
 177 {
 178         int size;
 179
 180         size = imagetool_get_filesize(params, fname);
 181         if (size < 0)
 182                 return -1;
 183
 184         /*
 185          * Pad to a 2KB alignment, as required for init/boot size by the ROM
 186          * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html)
 187          */
 188         return ROUND(size, RK_SIZE_ALIGN);
 189 }
 190
 191 int rkcommon_check_params(struct image_tool_params *params)
 192 {
 193         int i, size;
 194
 195         /*
 196          * If this is a operation (list or extract), the don't require
 197          * imagename to be set.
 198          */
 199         if (params->lflag || params->iflag)
 200                 return EXIT_SUCCESS;
 201
 202         if (!rkcommon_get_spl_info(params->imagename))
 203                 goto err_spl_info;
 204
 205         spl_params.init_file = params->datafile;
 206
 207         spl_params.boot_file = strchr(spl_params.init_file, ':');
 208         if (spl_params.boot_file) {
 209                 *spl_params.boot_file = '\0';
 210                 spl_params.boot_file += 1;
 211         }
 212
 213         size = rkcommon_get_aligned_size(params, spl_params.init_file);
 214         if (size < 0)
 215                 return EXIT_FAILURE;
 216         spl_params.init_size = size;
 217
 218         /* Boot file is optional, and only for back-to-bootrom functionality. */
 219         if (spl_params.boot_file) {
 220                 size = rkcommon_get_aligned_size(params, spl_params.boot_file);
 221                 if (size < 0)
 222                         return EXIT_FAILURE;
 223                 spl_params.boot_size = size;
 224         }
 225
 226         if (spl_params.init_size > rkcommon_get_spl_size(params)) {
 227                 fprintf(stderr,
 228                         "Error: SPL image is too large (size %#x than %#x)\n",
 229                         spl_params.init_size, rkcommon_get_spl_size(params));
 230                 return EXIT_FAILURE;
 231         }
 232
 233         return EXIT_SUCCESS;
 234
 235 err_spl_info:
 236         fprintf(stderr, "ERROR: imagename (%s) is not supported!\n",
 237                 params->imagename ? params->imagename : "NULL");
 238
 239         fprintf(stderr, "Available imagename:");
 240         for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
 241                 fprintf(stderr, "\t%s", spl_infos[i].imagename);
 242         fprintf(stderr, "\n");
 243
 244         return EXIT_FAILURE;
 245 }
 246
 247 const char *rkcommon_get_spl_hdr(struct image_tool_params *params)
 248 {
 249         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 250
 251         /*
 252          * info would not be NULL, because of we checked params before.
 253          */
 254         return info->spl_hdr;
 255 }
 256
 257 int rkcommon_get_spl_size(struct image_tool_params *params)
 258 {
 259         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 260
 261         /*
 262          * info would not be NULL, because of we checked params before.
 263          */
 264         return info->spl_size;
 265 }
 266
 267 bool rkcommon_need_rc4_spl(struct image_tool_params *params)
 268 {
 269         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 270
 271         /*
 272          * info would not be NULL, because of we checked params before.
 273          */
 274         return info->spl_rc4;
 275 }
 276
 277 bool rkcommon_is_header_v2(struct image_tool_params *params)
 278 {
 279         struct spl_info *info = rkcommon_get_spl_info(params->imagename);
 280
 281         return (info->header_ver == RK_HEADER_V2);
 282 }
 283
 284 static void do_sha256_hash(uint8_t *buf, uint32_t size, uint8_t *out)
 285 {
 286         sha256_context ctx;
 287
 288         sha256_starts(&ctx);
 289         sha256_update(&ctx, buf, size);
 290         sha256_finish(&ctx, out);
 291 }
 292
 293 static void rkcommon_set_header0(void *buf, struct image_tool_params *params)
 294 {
 295         struct header0_info *hdr = buf;
 296         uint32_t init_boot_size;
 297
 298         memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
 299         hdr->magic = cpu_to_le32(RK_MAGIC);
 300         hdr->disable_rc4 = cpu_to_le32(!rkcommon_need_rc4_spl(params));
 301         hdr->init_offset = cpu_to_le16(RK_INIT_OFFSET);
 302         hdr->init_size   = cpu_to_le16(spl_params.init_size / RK_BLK_SIZE);
 303
 304         /*
 305          * init_boot_size needs to be set, as it is read by the BootROM
 306          * to determine the size of the next-stage bootloader (e.g. U-Boot
 307          * proper), when used with the back-to-bootrom functionality.
 308          *
 309          * see https://lists.denx.de/pipermail/u-boot/2017-May/293267.html
 310          * for a more detailed explanation by Andy Yan
 311          */
 312         if (spl_params.boot_file)
 313                 init_boot_size = spl_params.init_size + spl_params.boot_size;
 314         else
 315                 init_boot_size = spl_params.init_size + RK_MAX_BOOT_SIZE;
 316         hdr->init_boot_size = cpu_to_le16(init_boot_size / RK_BLK_SIZE);
 317
 318         rc4_encode(buf, RK_BLK_SIZE, rc4_key);
 319 }
 320
 321 static void rkcommon_set_header0_v2(void *buf, struct image_tool_params *params)
 322 {
 323         struct header0_info_v2 *hdr = buf;
 324         uint32_t sector_offset, image_sector_count;
 325         uint32_t image_size_array[2];
 326         uint8_t *image_ptr = NULL;
 327         int i;
 328
 329         printf("Image Type:   Rockchip %s boot image\n",
 330                 rkcommon_get_spl_hdr(params));
 331         memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
 332         hdr->magic   = cpu_to_le32(RK_MAGIC_V2);
 333         hdr->size_and_nimage = cpu_to_le32((2 << 16) + 384);
 334         hdr->boot_flag = cpu_to_le32(HASH_SHA256);
 335         sector_offset = 4;
 336         image_size_array[0] = spl_params.init_size;
 337         image_size_array[1] = spl_params.boot_size;
 338
 339         for (i = 0; i < 2; i++) {
 340                 image_sector_count = image_size_array[i] / RK_BLK_SIZE;
 341                 hdr->images[i].size_and_off = cpu_to_le32((image_sector_count
 342                                                         << 16) + sector_offset);
 343                 hdr->images[i].address = 0xFFFFFFFF;
 344                 hdr->images[i].counter = cpu_to_le32(i + 1);
 345                 image_ptr = buf + sector_offset * RK_BLK_SIZE;
 346                 do_sha256_hash(image_ptr, image_size_array[i],
 347                                hdr->images[i].hash);
 348                 sector_offset = sector_offset + image_sector_count;
 349         }
 350
 351         do_sha256_hash(buf, (void *)hdr->hash - buf, hdr->hash);
 352 }
 353
 354 void rkcommon_set_header(void *buf,  struct stat *sbuf,  int ifd,
 355                          struct image_tool_params *params)
 356 {
 357         struct header1_info *hdr = buf + RK_SPL_HDR_START;
 358
 359         if (rkcommon_is_header_v2(params)) {
 360                 rkcommon_set_header0_v2(buf, params);
 361         } else {
 362                 rkcommon_set_header0(buf, params);
 363
 364                 /* Set up the SPL name (i.e. copy spl_hdr over) */
 365                 if (memcmp(&hdr->magic, "RSAK", 4))
 366                         memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);
 367
 368                 if (rkcommon_need_rc4_spl(params))
 369                         rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START,
 370                                                 spl_params.init_size);
 371
 372                 if (spl_params.boot_file) {
 373                         if (rkcommon_need_rc4_spl(params))
 374                                 rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START,
 375                                                         spl_params.init_size,
 376                                                         spl_params.boot_size);
 377                 }
 378         }
 379 }
 380
 381 static inline unsigned int rkcommon_offset_to_spi(unsigned int offset)
 382 {
 383         /*
 384          * While SD/MMC images use a flat addressing, SPI images are padded
 385          * to use the first 2K of every 4K sector only.
 386          */
 387         return ((offset & ~0x7ff) << 1) + (offset & 0x7ff);
 388 }
 389
 390 static int rkcommon_parse_header(const void *buf, struct header0_info *header0,
 391                                  struct spl_info **spl_info)
 392 {
 393         unsigned int hdr1_offset;
 394         struct header1_info *hdr1_sdmmc, *hdr1_spi;
 395         int i;
 396
 397         if (spl_info)
 398                 *spl_info = NULL;
 399
 400         /*
 401          * The first header (hdr0) is always RC4 encoded, so try to decrypt
 402          * with the well-known key.
 403          */
 404         memcpy((void *)header0, buf, sizeof(struct header0_info));
 405         rc4_encode((void *)header0, sizeof(struct header0_info), rc4_key);
 406
 407         if (le32_to_cpu(header0->magic) != RK_MAGIC)
 408                 return -EPROTO;
 409
 410         /* We don't support RC4 encoded image payloads here, yet... */
 411         if (le32_to_cpu(header0->disable_rc4) == 0)
 412                 return -ENOSYS;
 413
 414         hdr1_offset = le16_to_cpu(header0->init_offset) * RK_BLK_SIZE;
 415         hdr1_sdmmc = (struct header1_info *)(buf + hdr1_offset);
 416         hdr1_spi = (struct header1_info *)(buf +
 417                                            rkcommon_offset_to_spi(hdr1_offset));
 418
 419         for (i = 0; i < ARRAY_SIZE(spl_infos); i++) {
 420                 if (!memcmp(&hdr1_sdmmc->magic, spl_infos[i].spl_hdr,
 421                             RK_SPL_HDR_SIZE)) {
 422                         if (spl_info)
 423                                 *spl_info = &spl_infos[i];
 424                         return IH_TYPE_RKSD;
 425                 } else if (!memcmp(&hdr1_spi->magic, spl_infos[i].spl_hdr,
 426                                    RK_SPL_HDR_SIZE)) {
 427                         if (spl_info)
 428                                 *spl_info = &spl_infos[i];
 429                         return IH_TYPE_RKSPI;
 430                 }
 431         }
 432
 433         return -1;
 434 }
 435
 436 static int rkcommon_parse_header_v2(const void *buf, struct header0_info_v2 *header)
 437 {
 438         memcpy((void *)header, buf, sizeof(struct header0_info_v2));
 439
 440         if (le32_to_cpu(header->magic) != RK_MAGIC_V2)
 441                 return -EPROTO;
 442
 443         return 0;
 444 }
 445
 446 int rkcommon_verify_header(unsigned char *buf, int size,
 447                            struct image_tool_params *params)
 448 {
 449         struct header0_info header0;
 450         struct spl_info *img_spl_info, *spl_info;
 451         int ret;
 452
 453         ret = rkcommon_parse_header(buf, &header0, &img_spl_info);
 454
 455         /* If this is the (unimplemented) RC4 case, then rewrite the result */
 456         if (ret == -ENOSYS)
 457                 return 0;
 458
 459         if (ret < 0)
 460                 return ret;
 461
 462         /*
 463          * If no 'imagename' is specified via the commandline (e.g. if this is
 464          * 'dumpimage -l' w/o any further constraints), we accept any spl_info.
 465          */
 466         if (params->imagename == NULL)
 467                 return 0;
 468
 469         /* Match the 'imagename' against the 'spl_hdr' found */
 470         spl_info = rkcommon_get_spl_info(params->imagename);
 471         if (spl_info && img_spl_info)
 472                 return strcmp(spl_info->spl_hdr, img_spl_info->spl_hdr);
 473
 474         return -ENOENT;
 475 }
 476
 477 void rkcommon_print_header(const void *buf)
 478 {
 479         struct header0_info header0;
 480         struct header0_info_v2 header0_v2;
 481         struct spl_info *spl_info;
 482         uint8_t image_type;
 483         int ret, boot_size, init_size;
 484
 485         if ((*(uint32_t *)buf) == RK_MAGIC_V2) {
 486                 ret = rkcommon_parse_header_v2(buf, &header0_v2);
 487
 488                 if (ret < 0) {
 489                         fprintf(stderr, "Error: image verification failed\n");
 490                         return;
 491                 }
 492
 493                 init_size = header0_v2.images[0].size_and_off >> 16;
 494                 init_size = init_size * RK_BLK_SIZE;
 495                 boot_size = header0_v2.images[1].size_and_off >> 16;
 496                 boot_size = boot_size * RK_BLK_SIZE;
 497         } else {
 498                 ret = rkcommon_parse_header(buf, &header0, &spl_info);
 499
 500                 /* If this is the (unimplemented) RC4 case, then fail silently */
 501                 if (ret == -ENOSYS)
 502                         return;
 503
 504                 if (ret < 0) {
 505                         fprintf(stderr, "Error: image verification failed\n");
 506                         return;
 507                 }
 508
 509                 image_type = ret;
 510                 init_size = header0.init_size * RK_BLK_SIZE;
 511                 boot_size = header0.init_boot_size * RK_BLK_SIZE - init_size;
 512
 513                 printf("Image Type:   Rockchip %s (%s) boot image\n",
 514                        spl_info->spl_hdr,
 515                        (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI");
 516         }
 517
 518         printf("Init Data Size: %d bytes\n", init_size);
 519
 520         if (boot_size != RK_MAX_BOOT_SIZE)
 521                 printf("Boot Data Size: %d bytes\n", boot_size);
 522 }
 523
 524 void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size)
 525 {
 526         unsigned int remaining = size;
 527
 528         while (remaining > 0) {
 529                 int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining;
 530
 531                 rc4_encode(buf + offset, step, rc4_key);
 532                 offset += RK_BLK_SIZE;
 533                 remaining -= step;
 534         }
 535 }
 536
 537 int rkcommon_vrec_header(struct image_tool_params *params,
 538                          struct image_type_params *tparams)
 539 {
 540         /*
 541          * The SPL image looks as follows:
 542          *
 543          * 0x0    header0 (see rkcommon.c)
 544          * 0x800  spl_name ('RK30', ..., 'RK33')
 545          *        (start of the payload for AArch64 payloads: we expect the
 546          *        first 4 bytes to be available for overwriting with our
 547          *        spl_name)
 548          * 0x804  first instruction to be executed
 549          *        (start of the image/payload for 32bit payloads)
 550          *
 551          * For AArch64 (ARMv8) payloads, natural alignment (8-bytes) is
 552          * required for its sections (so the image we receive needs to
 553          * have the first 4 bytes reserved for the spl_name).  Reserving
 554          * these 4 bytes is done using the BOOT0_HOOK infrastructure.
 555          *
 556          * The header is always at 0x800 (as we now use a payload
 557          * prepadded using the boot0 hook for all targets): the first
 558          * 4 bytes of these images can safely be overwritten using the
 559          * boot magic.
 560          */
 561         tparams->header_size = RK_SPL_HDR_START;
 562
 563         /* Allocate, clear and install the header */
 564         tparams->hdr = malloc(tparams->header_size);
 565         if (!tparams->hdr) {
 566                 fprintf(stderr, "%s: Can't alloc header: %s\n",
 567                         params->cmdname, strerror(errno));
 568                 exit(EXIT_FAILURE);
 569         }
 570         memset(tparams->hdr, 0, tparams->header_size);
 571
 572         /*
 573          * We need to store the original file-size (i.e. before padding), as
 574          * imagetool does not set this during its adjustment of file_size.
 575          */
 576         params->orig_file_size = tparams->header_size +
 577                 spl_params.init_size + spl_params.boot_size;
 578
 579         params->file_size = ROUND(params->orig_file_size, RK_SIZE_ALIGN);
 580
 581         /* Ignoring pad len, since we are using our own copy_image() */
 582         return 0;
 583 }
 584
 585 static int pad_file(struct image_tool_params *params, int ifd, int pad)
 586 {
 587         uint8_t zeros[4096];
 588
 589         memset(zeros, 0, sizeof(zeros));
 590
 591         while (pad > 0) {
 592                 int todo = sizeof(zeros);
 593
 594                 if (todo > pad)
 595                         todo = pad;
 596                 if (write(ifd, (char *)&zeros, todo) != todo) {
 597                         fprintf(stderr, "%s: Write error on %s: %s\n",
 598                                 params->cmdname, params->imagefile,
 599                                 strerror(errno));
 600                         return -1;
 601                 }
 602                 pad -= todo;
 603         }
 604
 605         return 0;
 606 }
 607
 608 static int copy_file(struct image_tool_params *params, int ifd,
 609                      const char *file, int padded_size)
 610 {
 611         int dfd;
 612         struct stat sbuf;
 613         unsigned char *ptr;
 614         int size;
 615
 616         if (params->vflag)
 617                 fprintf(stderr, "Adding Image %s\n", file);
 618
 619         dfd = open(file, O_RDONLY | O_BINARY);
 620         if (dfd < 0) {
 621                 fprintf(stderr, "%s: Can't open %s: %s\n",
 622                         params->cmdname, file, strerror(errno));
 623                 return -1;
 624         }
 625
 626         if (fstat(dfd, &sbuf) < 0) {
 627                 fprintf(stderr, "%s: Can't stat %s: %s\n",
 628                         params->cmdname, file, strerror(errno));
 629                 goto err_close;
 630         }
 631
 632         if (params->vflag)
 633                 fprintf(stderr, "Size %u(pad to %u)\n",
 634                         (int)sbuf.st_size, padded_size);
 635
 636         ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
 637         if (ptr == MAP_FAILED) {
 638                 fprintf(stderr, "%s: Can't read %s: %s\n",
 639                         params->cmdname, file, strerror(errno));
 640                 goto err_munmap;
 641         }
 642
 643         size = sbuf.st_size;
 644         if (write(ifd, ptr, size) != size) {
 645                 fprintf(stderr, "%s: Write error on %s: %s\n",
 646                         params->cmdname, params->imagefile, strerror(errno));
 647                 goto err_munmap;
 648         }
 649
 650         munmap((void *)ptr, sbuf.st_size);
 651         close(dfd);
 652         return pad_file(params, ifd, padded_size - size);
 653
 654 err_munmap:
 655         munmap((void *)ptr, sbuf.st_size);
 656 err_close:
 657         close(dfd);
 658         return -1;
 659 }
 660
 661 int rockchip_copy_image(int ifd, struct image_tool_params *params)
 662 {
 663         int ret;
 664
 665         ret = copy_file(params, ifd, spl_params.init_file,
 666                         spl_params.init_size);
 667         if (ret)
 668                 return ret;
 669
 670         if (spl_params.boot_file) {
 671                 ret = copy_file(params, ifd, spl_params.boot_file,
 672                                 spl_params.boot_size);
 673                 if (ret)
 674                         return ret;
 675         }
 676
 677         return pad_file(params, ifd,
 678                         params->file_size - params->orig_file_size);
 679 }