1 /* 2 * (C) Copyright 2015 Google, Inc 3 * Written by Simon Glass <sjg@chromium.org> 4 * 5 * (C) 2017 Theobroma Systems Design und Consulting GmbH 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 * 9 * Helper functions for Rockchip images 10 */ 11 12 #include "imagetool.h" 13 #include <image.h> 14 #include <u-boot/sha256.h> 15 #include <rc4.h> 16 #include "mkimage.h" 17 #include "rkcommon.h" 18 19 enum { 20 RK_MAGIC = 0x0ff0aa55, 21 RK_MAGIC_V2 = 0x534E4B52, 22 }; 23 24 enum { 25 RK_HEADER_V1 = 1, 26 RK_HEADER_V2 = 2, 27 }; 28 29 enum hash_type { 30 HASH_NONE = 0, 31 HASH_SHA256 = 1, 32 HASH_SHA512 = 2, 33 }; 34 35 /** 36 * struct image_entry 37 * 38 * @size_and_off: [31:16]image size;[15:0]image offset 39 * @address: default as 0xFFFFFFFF 40 * @flag: no use 41 * @counter: no use 42 * @hash: hash of image 43 * 44 */ 45 struct image_entry { 46 uint32_t size_and_off; 47 uint32_t address; 48 uint32_t flag; 49 uint32_t counter; 50 uint8_t reserved[8]; 51 uint8_t hash[64]; 52 }; 53 54 /** 55 * struct header0_info_v2 - from rk35 on boot rom using the new header block 56 * 57 * This is stored at SD card block 64 (where each block is 512 bytes) 58 * 59 * @magic: Magic (must be RK_MAGIC_V2) 60 * @size_and_nimage: [31:16]number of images;[15:0] 61 * offset to hash field of header(unit as 4Byte) 62 * @boot_flag: [3:0]hash type(0:none,1:sha256,2:sha512) 63 * @signature: hash or signature for header info 64 * 65 */ 66 struct header0_info_v2 { 67 uint32_t magic; 68 uint8_t reserved[4]; 69 uint32_t size_and_nimage; 70 uint32_t boot_flag; 71 uint8_t reserved1[104]; 72 struct image_entry images[4]; 73 uint8_t reserved2[1064]; 74 uint8_t hash[512]; 75 }; 76 77 /** 78 * struct header0_info - header block for boot ROM 79 * 80 * This is stored at SD card block 64 (where each block is 512 bytes, or at 81 * the start of SPI flash. It is encoded with RC4. 82 * 83 * @magic: Magic (must be RK_MAGIC) 84 * @disable_rc4: 0 to use rc4 for boot image, 1 to use plain binary 85 * @init_offset: Offset in blocks of the SPL code from this header 86 * block. E.g. 4 means 2KB after the start of this header. 87 * Other fields are not used by U-Boot 88 */ 89 struct header0_info { 90 uint32_t magic; 91 uint8_t reserved[4]; 92 uint32_t disable_rc4; 93 uint16_t init_offset; 94 uint8_t reserved1[492]; 95 uint16_t init_size; 96 uint16_t init_boot_size; 97 uint8_t reserved2[2]; 98 }; 99 100 /** 101 * struct header1 info 102 */ 103 struct header1_info { 104 uint32_t magic; 105 }; 106 107 /** 108 * struct spl_info - spl info for each chip 109 * 110 * @imagename: Image name(passed by "mkimage -n") 111 * @spl_hdr: Boot ROM requires a 4-bytes spl header 112 * @spl_size: Spl size(include extra 4-bytes spl header) 113 * @spl_rc4: RC4 encode the SPL binary (same key as header) 114 * @header_ver: header block version 115 */ 116 struct spl_info { 117 const char *imagename; 118 const char *spl_hdr; 119 const uint32_t spl_size; 120 const bool spl_rc4; 121 const uint32_t header_ver; 122 }; 123 124 static struct spl_info spl_infos[] = { 125 { "rk3036", "RK30", 0x1000, false, RK_HEADER_V1 }, 126 { "rk3066", "RK30", 0x8000, true, RK_HEADER_V1 }, 127 { "rk3128", "RK31", 0x2000 - 0x800, false, RK_HEADER_V1 }, 128 { "px3se", "RK31", 0x2000 - 0x800, false, RK_HEADER_V1 }, 129 { "rk3188", "RK31", 0x8000 - 0x800, true, RK_HEADER_V1 }, 130 { "rk322x", "RK32", 0x8000 - 0x1000, false, RK_HEADER_V1 }, 131 { "rk3288", "RK32", 0x8000, false, RK_HEADER_V1 }, 132 { "rk3308", "RK33", 0x40000 - 0x1000, false, RK_HEADER_V1 }, 133 { "rk3328", "RK32", 0x8000 - 0x800, false, RK_HEADER_V1 }, 134 { "rk3368", "RK33", 0x8000 - 0x1000, false, RK_HEADER_V1 }, 135 { "rk3399", "RK33", 0x30000 - 0x2000, false, RK_HEADER_V1 }, 136 { "rk3326", "RK33", 0x4000 - 0x1000, false, RK_HEADER_V1 }, 137 { "px30", "RK33", 0x4000 - 0x1000, false, RK_HEADER_V1 }, 138 { "rv1108", "RK11", 0x1800, false, RK_HEADER_V1 }, 139 { "rv1126", "110B", 0x10000 - 0x1000, false, RK_HEADER_V1 }, 140 { "rk1808", "RK18", 0x200000 - 0x2000, false, RK_HEADER_V1 }, 141 { "rk3528", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 }, 142 { "rk3562", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 }, 143 { "rk3568", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 }, 144 { "rk3576", "RK35", 0x80000 - 0x1000, false, RK_HEADER_V2 }, 145 { "rk3588", "RK35", 0x100000 - 0x1000, false, RK_HEADER_V2 }, 146 { "rk3506", "RK35", 0x40000 - 0x1000, false, RK_HEADER_V2 }, 147 { "rv1103b", "110E", 0x40000 - 0x1000, false, RK_HEADER_V2 }, 148 { "rv1106", "110C", 0x28000 - 0x1000, false, RK_HEADER_V2 }, 149 }; 150 151 /** 152 * struct spl_params - spl params parsed in check_params() 153 * 154 * @init_file: Init data file path 155 * @init_size: Aligned size of init data in bytes 156 * @boot_file: Boot data file path 157 * @boot_size: Aligned size of boot data in bytes 158 */ 159 160 struct spl_params { 161 char *init_file; 162 uint32_t init_size; 163 char *boot_file; 164 uint32_t boot_size; 165 }; 166 167 static struct spl_params spl_params = { 0 }; 168 169 static unsigned char rc4_key[16] = { 170 124, 78, 3, 4, 85, 5, 9, 7, 171 45, 44, 123, 56, 23, 13, 23, 17 172 }; 173 174 static struct spl_info *rkcommon_get_spl_info(char *imagename) 175 { 176 int i; 177 178 if (!imagename) 179 return NULL; 180 181 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) 182 if (!strncmp(imagename, spl_infos[i].imagename, 6)) 183 return spl_infos + i; 184 185 return NULL; 186 } 187 188 static int rkcommon_get_aligned_size(struct image_tool_params *params, 189 const char *fname) 190 { 191 int size; 192 193 size = imagetool_get_filesize(params, fname); 194 if (size < 0) 195 return -1; 196 197 /* 198 * Pad to a 2KB alignment, as required for init/boot size by the ROM 199 * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html) 200 */ 201 return ROUND(size, RK_SIZE_ALIGN); 202 } 203 204 int rkcommon_check_params(struct image_tool_params *params) 205 { 206 int i; 207 208 /* 209 * If this is a operation (list or extract), the don't require 210 * imagename to be set. 211 */ 212 if (params->lflag || params->iflag) 213 return EXIT_SUCCESS; 214 215 if (!rkcommon_get_spl_info(params->imagename)) 216 goto err_spl_info; 217 218 spl_params.init_file = params->datafile; 219 220 spl_params.boot_file = strchr(spl_params.init_file, ':'); 221 if (spl_params.boot_file) { 222 *spl_params.boot_file = '\0'; 223 spl_params.boot_file += 1; 224 } 225 226 spl_params.init_size = 227 rkcommon_get_aligned_size(params, spl_params.init_file); 228 if (spl_params.init_size < 0) 229 return EXIT_FAILURE; 230 231 /* Boot file is optional, and only for back-to-bootrom functionality. */ 232 if (spl_params.boot_file) { 233 spl_params.boot_size = 234 rkcommon_get_aligned_size(params, spl_params.boot_file); 235 if (spl_params.boot_size < 0) 236 return EXIT_FAILURE; 237 } 238 239 if (spl_params.init_size > rkcommon_get_spl_size(params)) { 240 fprintf(stderr, 241 "Error: SPL image is too large (size %#x than %#x)\n", 242 spl_params.init_size, rkcommon_get_spl_size(params)); 243 return EXIT_FAILURE; 244 } 245 246 return EXIT_SUCCESS; 247 248 err_spl_info: 249 fprintf(stderr, "ERROR: imagename (%s) is not supported!\n", 250 params->imagename ? params->imagename : "NULL"); 251 252 fprintf(stderr, "Available imagename:"); 253 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) 254 fprintf(stderr, "\t%s", spl_infos[i].imagename); 255 fprintf(stderr, "\n"); 256 257 return EXIT_FAILURE; 258 } 259 260 const char *rkcommon_get_spl_hdr(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_hdr; 268 } 269 270 int rkcommon_get_spl_size(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_size; 278 } 279 280 bool rkcommon_need_rc4_spl(struct image_tool_params *params) 281 { 282 struct spl_info *info = rkcommon_get_spl_info(params->imagename); 283 284 /* 285 * info would not be NULL, because of we checked params before. 286 */ 287 return info->spl_rc4; 288 } 289 290 bool rkcommon_is_header_v2(struct image_tool_params *params) 291 { 292 struct spl_info *info = rkcommon_get_spl_info(params->imagename); 293 294 /* 295 * info would not be NULL, because of we checked params before. 296 */ 297 return (info->header_ver == RK_HEADER_V2); 298 } 299 300 static void do_sha256_hash(uint8_t *buf, uint32_t size, uint8_t *out) 301 { 302 sha256_context ctx; 303 304 sha256_starts(&ctx); 305 sha256_update(&ctx, buf, size); 306 sha256_finish(&ctx, out); 307 } 308 309 static void rkcommon_set_header0(void *buf, struct image_tool_params *params) 310 { 311 struct header0_info *hdr = buf; 312 313 memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE); 314 hdr->magic = RK_MAGIC; 315 hdr->disable_rc4 = !rkcommon_need_rc4_spl(params); 316 hdr->init_offset = RK_INIT_OFFSET; 317 hdr->init_size = spl_params.init_size / RK_BLK_SIZE; 318 319 /* 320 * init_boot_size needs to be set, as it is read by the BootROM 321 * to determine the size of the next-stage bootloader (e.g. U-Boot 322 * proper), when used with the back-to-bootrom functionality. 323 * 324 * see https://lists.denx.de/pipermail/u-boot/2017-May/293267.html 325 * for a more detailed explanation by Andy Yan 326 */ 327 if (spl_params.boot_file) 328 hdr->init_boot_size = 329 hdr->init_size + spl_params.boot_size / RK_BLK_SIZE; 330 else 331 hdr->init_boot_size = 332 hdr->init_size + RK_MAX_BOOT_SIZE / RK_BLK_SIZE; 333 334 rc4_encode(buf, RK_BLK_SIZE, rc4_key); 335 } 336 337 static void rkcommon_set_header0_v2(void *buf, struct image_tool_params *params) 338 { 339 struct header0_info_v2 *hdr = buf; 340 uint32_t sector_offset, image_sector_count; 341 uint32_t image_size_array[2]; 342 uint8_t *image_ptr = NULL; 343 int i; 344 345 printf("Image Type: Rockchip %s boot image\n", rkcommon_get_spl_hdr(params)); 346 memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE); 347 hdr->magic = cpu_to_le32(RK_MAGIC_V2); 348 hdr->size_and_nimage = cpu_to_le32((2 << 16) + 384); 349 hdr->boot_flag = cpu_to_le32(HASH_SHA256); 350 sector_offset = 4; 351 image_size_array[0] = spl_params.init_size; 352 image_size_array[1] = spl_params.boot_size; 353 354 for (i = 0; i < 2; i++) { 355 image_sector_count = image_size_array[i] / RK_BLK_SIZE; 356 hdr->images[i].size_and_off = cpu_to_le32((image_sector_count << 16) + sector_offset); 357 hdr->images[i].address = 0xFFFFFFFF; 358 hdr->images[i].counter = cpu_to_le32(i + 1); 359 image_ptr = buf + sector_offset * RK_BLK_SIZE; 360 do_sha256_hash(image_ptr, image_size_array[i], hdr->images[i].hash); 361 sector_offset = sector_offset + image_sector_count; 362 } 363 364 do_sha256_hash(buf, (void *)hdr->hash - buf, hdr->hash); 365 } 366 367 void rkcommon_set_header(void *buf, struct stat *sbuf, int ifd, 368 struct image_tool_params *params) 369 { 370 struct header1_info *hdr = buf + RK_SPL_HDR_START; 371 372 if (rkcommon_is_header_v2(params)) { 373 rkcommon_set_header0_v2(buf, params); 374 } else { 375 rkcommon_set_header0(buf, params); 376 377 /* Set up the SPL name (i.e. copy spl_hdr over) */ 378 if (memcmp(&hdr->magic, "RSAK", 4)) 379 memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE); 380 381 if (rkcommon_need_rc4_spl(params)) 382 rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START, 383 spl_params.init_size); 384 385 if (spl_params.boot_file) { 386 if (rkcommon_need_rc4_spl(params)) 387 rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START, 388 spl_params.init_size, 389 spl_params.boot_size); 390 } 391 } 392 } 393 394 static inline unsigned int rkcommon_offset_to_spi(unsigned int offset) 395 { 396 /* 397 * While SD/MMC images use a flat addressing, SPI images are padded 398 * to use the first 2K of every 4K sector only. 399 */ 400 return ((offset & ~0x7ff) << 1) + (offset & 0x7ff); 401 } 402 403 static int rkcommon_parse_header(const void *buf, struct header0_info *header0, 404 struct spl_info **spl_info) 405 { 406 unsigned int hdr1_offset; 407 struct header1_info *hdr1_sdmmc, *hdr1_spi; 408 int i; 409 410 if (spl_info) 411 *spl_info = NULL; 412 413 /* 414 * The first header (hdr0) is always RC4 encoded, so try to decrypt 415 * with the well-known key. 416 */ 417 memcpy((void *)header0, buf, sizeof(struct header0_info)); 418 rc4_encode((void *)header0, sizeof(struct header0_info), rc4_key); 419 420 if (header0->magic != RK_MAGIC) 421 return -EPROTO; 422 423 /* We don't support RC4 encoded image payloads here, yet... */ 424 if (header0->disable_rc4 == 0) 425 return -ENOSYS; 426 427 hdr1_offset = header0->init_offset * RK_BLK_SIZE; 428 hdr1_sdmmc = (struct header1_info *)(buf + hdr1_offset); 429 hdr1_spi = (struct header1_info *)(buf + 430 rkcommon_offset_to_spi(hdr1_offset)); 431 432 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) { 433 if (!memcmp(&hdr1_sdmmc->magic, spl_infos[i].spl_hdr, 4)) { 434 if (spl_info) 435 *spl_info = &spl_infos[i]; 436 return IH_TYPE_RKSD; 437 } else if (!memcmp(&hdr1_spi->magic, spl_infos[i].spl_hdr, 4)) { 438 if (spl_info) 439 *spl_info = &spl_infos[i]; 440 return IH_TYPE_RKSPI; 441 } 442 } 443 444 return -1; 445 } 446 447 static int rkcommon_parse_header_v2(const void *buf, struct header0_info_v2 *header) 448 { 449 memcpy((void *)header, buf, sizeof(struct header0_info_v2)); 450 451 if (le32_to_cpu(header->magic) != RK_MAGIC_V2) 452 return -EPROTO; 453 454 return 0; 455 } 456 457 int rkcommon_verify_header(unsigned char *buf, int size, 458 struct image_tool_params *params) 459 { 460 struct header0_info header0; 461 struct spl_info *img_spl_info, *spl_info; 462 int ret; 463 464 /* spl_hdr is abandon on header_v2 */ 465 if ((*(uint32_t *)buf) == RK_MAGIC_V2) 466 return 0; 467 468 ret = rkcommon_parse_header(buf, &header0, &img_spl_info); 469 470 /* If this is the (unimplemented) RC4 case, then rewrite the result */ 471 if (ret == -ENOSYS) 472 return 0; 473 474 if (ret < 0) 475 return ret; 476 477 /* 478 * If no 'imagename' is specified via the commandline (e.g. if this is 479 * 'dumpimage -l' w/o any further constraints), we accept any spl_info. 480 */ 481 if (params->imagename == NULL) 482 return 0; 483 484 /* Match the 'imagename' against the 'spl_hdr' found */ 485 spl_info = rkcommon_get_spl_info(params->imagename); 486 if (spl_info && img_spl_info) 487 return strcmp(spl_info->spl_hdr, img_spl_info->spl_hdr); 488 489 return -ENOENT; 490 } 491 492 void rkcommon_print_header(const void *buf) 493 { 494 struct header0_info header0; 495 struct header0_info_v2 header0_v2; 496 struct spl_info *spl_info; 497 uint8_t image_type; 498 int ret, boot_size, init_size; 499 500 if ((*(uint32_t *)buf) == RK_MAGIC_V2) { 501 ret = rkcommon_parse_header_v2(buf, &header0_v2); 502 503 if (ret < 0) { 504 fprintf(stderr, "Error: image verification failed\n"); 505 return; 506 } 507 508 init_size = header0_v2.images[0].size_and_off >> 16; 509 init_size = init_size * RK_BLK_SIZE; 510 boot_size = header0_v2.images[1].size_and_off >> 16; 511 boot_size = boot_size * RK_BLK_SIZE; 512 } else { 513 ret = rkcommon_parse_header(buf, &header0, &spl_info); 514 515 /* If this is the (unimplemented) RC4 case, then fail silently */ 516 if (ret == -ENOSYS) 517 return; 518 519 if (ret < 0) { 520 fprintf(stderr, "Error: image verification failed\n"); 521 return; 522 } 523 524 image_type = ret; 525 init_size = header0.init_size * RK_BLK_SIZE; 526 boot_size = header0.init_boot_size * RK_BLK_SIZE - init_size; 527 printf("Image Type: Rockchip %s (%s) boot image\n", 528 spl_info->spl_hdr, 529 (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI"); 530 } 531 532 printf("Init Data Size: %d bytes\n", init_size); 533 534 if (boot_size != RK_MAX_BOOT_SIZE) 535 printf("Boot Data Size: %d bytes\n", boot_size); 536 } 537 538 void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size) 539 { 540 unsigned int remaining = size; 541 542 while (remaining > 0) { 543 int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining; 544 545 rc4_encode(buf + offset, step, rc4_key); 546 offset += RK_BLK_SIZE; 547 remaining -= step; 548 } 549 } 550 551 int rkcommon_vrec_header(struct image_tool_params *params, 552 struct image_type_params *tparams) 553 { 554 /* 555 * The SPL image looks as follows: 556 * 557 * 0x0 header0 (see rkcommon.c) 558 * 0x800 spl_name ('RK30', ..., 'RK33') 559 * (start of the payload for AArch64 payloads: we expect the 560 * first 4 bytes to be available for overwriting with our 561 * spl_name) 562 * 0x804 first instruction to be executed 563 * (start of the image/payload for 32bit payloads) 564 * 565 * For AArch64 (ARMv8) payloads, natural alignment (8-bytes) is 566 * required for its sections (so the image we receive needs to 567 * have the first 4 bytes reserved for the spl_name). Reserving 568 * these 4 bytes is done using the BOOT0_HOOK infrastructure. 569 * 570 * The header is always at 0x800 (as we now use a payload 571 * prepadded using the boot0 hook for all targets): the first 572 * 4 bytes of these images can safely be overwritten using the 573 * boot magic. 574 */ 575 tparams->header_size = RK_SPL_HDR_START; 576 577 /* Allocate, clear and install the header */ 578 tparams->hdr = malloc(tparams->header_size); 579 if (!tparams->hdr) { 580 fprintf(stderr, "%s: Can't alloc header: %s\n", 581 params->cmdname, strerror(errno)); 582 exit(EXIT_FAILURE); 583 } 584 memset(tparams->hdr, 0, tparams->header_size); 585 586 /* 587 * We need to store the original file-size (i.e. before padding), as 588 * imagetool does not set this during its adjustment of file_size. 589 */ 590 params->orig_file_size = tparams->header_size + 591 spl_params.init_size + spl_params.boot_size; 592 593 params->file_size = ROUND(params->orig_file_size, RK_SIZE_ALIGN); 594 595 /* Ignoring pad len, since we are using our own copy_image() */ 596 return 0; 597 } 598 599 static int pad_file(struct image_tool_params *params, int ifd, int pad) 600 { 601 uint8_t zeros[4096]; 602 603 memset(zeros, 0, sizeof(zeros)); 604 605 while (pad > 0) { 606 int todo = sizeof(zeros); 607 608 if (todo > pad) 609 todo = pad; 610 if (write(ifd, (char *)&zeros, todo) != todo) { 611 fprintf(stderr, "%s: Write error on %s: %s\n", 612 params->cmdname, params->imagefile, 613 strerror(errno)); 614 return -1; 615 } 616 pad -= todo; 617 } 618 619 return 0; 620 } 621 622 static int copy_file(struct image_tool_params *params, int ifd, 623 const char *file, int padded_size) 624 { 625 int dfd; 626 struct stat sbuf; 627 unsigned char *ptr; 628 int size; 629 630 if (params->vflag) 631 fprintf(stderr, "Adding Image %s\n", file); 632 633 dfd = open(file, O_RDONLY | O_BINARY); 634 if (dfd < 0) { 635 fprintf(stderr, "%s: Can't open %s: %s\n", 636 params->cmdname, file, strerror(errno)); 637 return -1; 638 } 639 640 if (fstat(dfd, &sbuf) < 0) { 641 fprintf(stderr, "%s: Can't stat %s: %s\n", 642 params->cmdname, file, strerror(errno)); 643 goto err_close; 644 } 645 646 if (params->vflag) 647 fprintf(stderr, "Size %u(pad to %u)\n", 648 (int)sbuf.st_size, padded_size); 649 650 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); 651 if (ptr == MAP_FAILED) { 652 fprintf(stderr, "%s: Can't read %s: %s\n", 653 params->cmdname, file, strerror(errno)); 654 goto err_munmap; 655 } 656 657 size = sbuf.st_size; 658 if (write(ifd, ptr, size) != size) { 659 fprintf(stderr, "%s: Write error on %s: %s\n", 660 params->cmdname, params->imagefile, strerror(errno)); 661 goto err_munmap; 662 } 663 664 munmap((void *)ptr, sbuf.st_size); 665 close(dfd); 666 return pad_file(params, ifd, padded_size - size); 667 668 err_munmap: 669 munmap((void *)ptr, sbuf.st_size); 670 err_close: 671 close(dfd); 672 return -1; 673 } 674 675 int rockchip_copy_image(int ifd, struct image_tool_params *params) 676 { 677 int ret; 678 679 ret = copy_file(params, ifd, spl_params.init_file, 680 spl_params.init_size); 681 if (ret) 682 return ret; 683 684 if (spl_params.boot_file) { 685 ret = copy_file(params, ifd, spl_params.boot_file, 686 spl_params.boot_size); 687 if (ret) 688 return ret; 689 } 690 691 return pad_file(params, ifd, 692 params->file_size - params->orig_file_size); 693 } 694