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 }; 148 149 /** 150 * struct spl_params - spl params parsed in check_params() 151 * 152 * @init_file: Init data file path 153 * @init_size: Aligned size of init data in bytes 154 * @boot_file: Boot data file path 155 * @boot_size: Aligned size of boot data in bytes 156 */ 157 158 struct spl_params { 159 char *init_file; 160 uint32_t init_size; 161 char *boot_file; 162 uint32_t boot_size; 163 }; 164 165 static struct spl_params spl_params = { 0 }; 166 167 static unsigned char rc4_key[16] = { 168 124, 78, 3, 4, 85, 5, 9, 7, 169 45, 44, 123, 56, 23, 13, 23, 17 170 }; 171 172 static struct spl_info *rkcommon_get_spl_info(char *imagename) 173 { 174 int i; 175 176 if (!imagename) 177 return NULL; 178 179 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) 180 if (!strncmp(imagename, spl_infos[i].imagename, 6)) 181 return spl_infos + i; 182 183 return NULL; 184 } 185 186 static int rkcommon_get_aligned_size(struct image_tool_params *params, 187 const char *fname) 188 { 189 int size; 190 191 size = imagetool_get_filesize(params, fname); 192 if (size < 0) 193 return -1; 194 195 /* 196 * Pad to a 2KB alignment, as required for init/boot size by the ROM 197 * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html) 198 */ 199 return ROUND(size, RK_SIZE_ALIGN); 200 } 201 202 int rkcommon_check_params(struct image_tool_params *params) 203 { 204 int i; 205 206 /* 207 * If this is a operation (list or extract), the don't require 208 * imagename to be set. 209 */ 210 if (params->lflag || params->iflag) 211 return EXIT_SUCCESS; 212 213 if (!rkcommon_get_spl_info(params->imagename)) 214 goto err_spl_info; 215 216 spl_params.init_file = params->datafile; 217 218 spl_params.boot_file = strchr(spl_params.init_file, ':'); 219 if (spl_params.boot_file) { 220 *spl_params.boot_file = '\0'; 221 spl_params.boot_file += 1; 222 } 223 224 spl_params.init_size = 225 rkcommon_get_aligned_size(params, spl_params.init_file); 226 if (spl_params.init_size < 0) 227 return EXIT_FAILURE; 228 229 /* Boot file is optional, and only for back-to-bootrom functionality. */ 230 if (spl_params.boot_file) { 231 spl_params.boot_size = 232 rkcommon_get_aligned_size(params, spl_params.boot_file); 233 if (spl_params.boot_size < 0) 234 return EXIT_FAILURE; 235 } 236 237 if (spl_params.init_size > rkcommon_get_spl_size(params)) { 238 fprintf(stderr, 239 "Error: SPL image is too large (size %#x than %#x)\n", 240 spl_params.init_size, rkcommon_get_spl_size(params)); 241 return EXIT_FAILURE; 242 } 243 244 return EXIT_SUCCESS; 245 246 err_spl_info: 247 fprintf(stderr, "ERROR: imagename (%s) is not supported!\n", 248 params->imagename ? params->imagename : "NULL"); 249 250 fprintf(stderr, "Available imagename:"); 251 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) 252 fprintf(stderr, "\t%s", spl_infos[i].imagename); 253 fprintf(stderr, "\n"); 254 255 return EXIT_FAILURE; 256 } 257 258 const char *rkcommon_get_spl_hdr(struct image_tool_params *params) 259 { 260 struct spl_info *info = rkcommon_get_spl_info(params->imagename); 261 262 /* 263 * info would not be NULL, because of we checked params before. 264 */ 265 return info->spl_hdr; 266 } 267 268 int rkcommon_get_spl_size(struct image_tool_params *params) 269 { 270 struct spl_info *info = rkcommon_get_spl_info(params->imagename); 271 272 /* 273 * info would not be NULL, because of we checked params before. 274 */ 275 return info->spl_size; 276 } 277 278 bool rkcommon_need_rc4_spl(struct image_tool_params *params) 279 { 280 struct spl_info *info = rkcommon_get_spl_info(params->imagename); 281 282 /* 283 * info would not be NULL, because of we checked params before. 284 */ 285 return info->spl_rc4; 286 } 287 288 bool rkcommon_is_header_v2(struct image_tool_params *params) 289 { 290 struct spl_info *info = rkcommon_get_spl_info(params->imagename); 291 292 /* 293 * info would not be NULL, because of we checked params before. 294 */ 295 return (info->header_ver == RK_HEADER_V2); 296 } 297 298 static void do_sha256_hash(uint8_t *buf, uint32_t size, uint8_t *out) 299 { 300 sha256_context ctx; 301 302 sha256_starts(&ctx); 303 sha256_update(&ctx, buf, size); 304 sha256_finish(&ctx, out); 305 } 306 307 static void rkcommon_set_header0(void *buf, struct image_tool_params *params) 308 { 309 struct header0_info *hdr = buf; 310 311 memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE); 312 hdr->magic = RK_MAGIC; 313 hdr->disable_rc4 = !rkcommon_need_rc4_spl(params); 314 hdr->init_offset = RK_INIT_OFFSET; 315 hdr->init_size = spl_params.init_size / RK_BLK_SIZE; 316 317 /* 318 * init_boot_size needs to be set, as it is read by the BootROM 319 * to determine the size of the next-stage bootloader (e.g. U-Boot 320 * proper), when used with the back-to-bootrom functionality. 321 * 322 * see https://lists.denx.de/pipermail/u-boot/2017-May/293267.html 323 * for a more detailed explanation by Andy Yan 324 */ 325 if (spl_params.boot_file) 326 hdr->init_boot_size = 327 hdr->init_size + spl_params.boot_size / RK_BLK_SIZE; 328 else 329 hdr->init_boot_size = 330 hdr->init_size + RK_MAX_BOOT_SIZE / RK_BLK_SIZE; 331 332 rc4_encode(buf, RK_BLK_SIZE, rc4_key); 333 } 334 335 static void rkcommon_set_header0_v2(void *buf, struct image_tool_params *params) 336 { 337 struct header0_info_v2 *hdr = buf; 338 uint32_t sector_offset, image_sector_count; 339 uint32_t image_size_array[2]; 340 uint8_t *image_ptr = NULL; 341 int i; 342 343 printf("Image Type: Rockchip %s boot image\n", rkcommon_get_spl_hdr(params)); 344 memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE); 345 hdr->magic = cpu_to_le32(RK_MAGIC_V2); 346 hdr->size_and_nimage = cpu_to_le32((2 << 16) + 384); 347 hdr->boot_flag = cpu_to_le32(HASH_SHA256); 348 sector_offset = 4; 349 image_size_array[0] = spl_params.init_size; 350 image_size_array[1] = spl_params.boot_size; 351 352 for (i = 0; i < 2; i++) { 353 image_sector_count = image_size_array[i] / RK_BLK_SIZE; 354 hdr->images[i].size_and_off = cpu_to_le32((image_sector_count << 16) + sector_offset); 355 hdr->images[i].address = 0xFFFFFFFF; 356 hdr->images[i].counter = cpu_to_le32(i + 1); 357 image_ptr = buf + sector_offset * RK_BLK_SIZE; 358 do_sha256_hash(image_ptr, image_size_array[i], hdr->images[i].hash); 359 sector_offset = sector_offset + image_sector_count; 360 } 361 362 do_sha256_hash(buf, (void *)hdr->hash - buf, hdr->hash); 363 } 364 365 void rkcommon_set_header(void *buf, struct stat *sbuf, int ifd, 366 struct image_tool_params *params) 367 { 368 struct header1_info *hdr = buf + RK_SPL_HDR_START; 369 370 if (rkcommon_is_header_v2(params)) { 371 rkcommon_set_header0_v2(buf, params); 372 } else { 373 rkcommon_set_header0(buf, params); 374 375 /* Set up the SPL name (i.e. copy spl_hdr over) */ 376 if (memcmp(&hdr->magic, "RSAK", 4)) 377 memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE); 378 379 if (rkcommon_need_rc4_spl(params)) 380 rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START, 381 spl_params.init_size); 382 383 if (spl_params.boot_file) { 384 if (rkcommon_need_rc4_spl(params)) 385 rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START, 386 spl_params.init_size, 387 spl_params.boot_size); 388 } 389 } 390 } 391 392 static inline unsigned int rkcommon_offset_to_spi(unsigned int offset) 393 { 394 /* 395 * While SD/MMC images use a flat addressing, SPI images are padded 396 * to use the first 2K of every 4K sector only. 397 */ 398 return ((offset & ~0x7ff) << 1) + (offset & 0x7ff); 399 } 400 401 static int rkcommon_parse_header(const void *buf, struct header0_info *header0, 402 struct spl_info **spl_info) 403 { 404 unsigned int hdr1_offset; 405 struct header1_info *hdr1_sdmmc, *hdr1_spi; 406 int i; 407 408 if (spl_info) 409 *spl_info = NULL; 410 411 /* 412 * The first header (hdr0) is always RC4 encoded, so try to decrypt 413 * with the well-known key. 414 */ 415 memcpy((void *)header0, buf, sizeof(struct header0_info)); 416 rc4_encode((void *)header0, sizeof(struct header0_info), rc4_key); 417 418 if (header0->magic != RK_MAGIC) 419 return -EPROTO; 420 421 /* We don't support RC4 encoded image payloads here, yet... */ 422 if (header0->disable_rc4 == 0) 423 return -ENOSYS; 424 425 hdr1_offset = header0->init_offset * RK_BLK_SIZE; 426 hdr1_sdmmc = (struct header1_info *)(buf + hdr1_offset); 427 hdr1_spi = (struct header1_info *)(buf + 428 rkcommon_offset_to_spi(hdr1_offset)); 429 430 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) { 431 if (!memcmp(&hdr1_sdmmc->magic, spl_infos[i].spl_hdr, 4)) { 432 if (spl_info) 433 *spl_info = &spl_infos[i]; 434 return IH_TYPE_RKSD; 435 } else if (!memcmp(&hdr1_spi->magic, spl_infos[i].spl_hdr, 4)) { 436 if (spl_info) 437 *spl_info = &spl_infos[i]; 438 return IH_TYPE_RKSPI; 439 } 440 } 441 442 return -1; 443 } 444 445 static int rkcommon_parse_header_v2(const void *buf, struct header0_info_v2 *header) 446 { 447 memcpy((void *)header, buf, sizeof(struct header0_info_v2)); 448 449 if (le32_to_cpu(header->magic) != RK_MAGIC_V2) 450 return -EPROTO; 451 452 return 0; 453 } 454 455 int rkcommon_verify_header(unsigned char *buf, int size, 456 struct image_tool_params *params) 457 { 458 struct header0_info header0; 459 struct spl_info *img_spl_info, *spl_info; 460 int ret; 461 462 /* spl_hdr is abandon on header_v2 */ 463 if ((*(uint32_t *)buf) == RK_MAGIC_V2) 464 return 0; 465 466 ret = rkcommon_parse_header(buf, &header0, &img_spl_info); 467 468 /* If this is the (unimplemented) RC4 case, then rewrite the result */ 469 if (ret == -ENOSYS) 470 return 0; 471 472 if (ret < 0) 473 return ret; 474 475 /* 476 * If no 'imagename' is specified via the commandline (e.g. if this is 477 * 'dumpimage -l' w/o any further constraints), we accept any spl_info. 478 */ 479 if (params->imagename == NULL) 480 return 0; 481 482 /* Match the 'imagename' against the 'spl_hdr' found */ 483 spl_info = rkcommon_get_spl_info(params->imagename); 484 if (spl_info && img_spl_info) 485 return strcmp(spl_info->spl_hdr, img_spl_info->spl_hdr); 486 487 return -ENOENT; 488 } 489 490 void rkcommon_print_header(const void *buf) 491 { 492 struct header0_info header0; 493 struct header0_info_v2 header0_v2; 494 struct spl_info *spl_info; 495 uint8_t image_type; 496 int ret, boot_size, init_size; 497 498 if ((*(uint32_t *)buf) == RK_MAGIC_V2) { 499 ret = rkcommon_parse_header_v2(buf, &header0_v2); 500 501 if (ret < 0) { 502 fprintf(stderr, "Error: image verification failed\n"); 503 return; 504 } 505 506 init_size = header0_v2.images[0].size_and_off >> 16; 507 init_size = init_size * RK_BLK_SIZE; 508 boot_size = header0_v2.images[1].size_and_off >> 16; 509 boot_size = boot_size * RK_BLK_SIZE; 510 } else { 511 ret = rkcommon_parse_header(buf, &header0, &spl_info); 512 513 /* If this is the (unimplemented) RC4 case, then fail silently */ 514 if (ret == -ENOSYS) 515 return; 516 517 if (ret < 0) { 518 fprintf(stderr, "Error: image verification failed\n"); 519 return; 520 } 521 522 image_type = ret; 523 init_size = header0.init_size * RK_BLK_SIZE; 524 boot_size = header0.init_boot_size * RK_BLK_SIZE - init_size; 525 printf("Image Type: Rockchip %s (%s) boot image\n", 526 spl_info->spl_hdr, 527 (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI"); 528 } 529 530 printf("Init Data Size: %d bytes\n", init_size); 531 532 if (boot_size != RK_MAX_BOOT_SIZE) 533 printf("Boot Data Size: %d bytes\n", boot_size); 534 } 535 536 void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size) 537 { 538 unsigned int remaining = size; 539 540 while (remaining > 0) { 541 int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining; 542 543 rc4_encode(buf + offset, step, rc4_key); 544 offset += RK_BLK_SIZE; 545 remaining -= step; 546 } 547 } 548 549 int rkcommon_vrec_header(struct image_tool_params *params, 550 struct image_type_params *tparams) 551 { 552 /* 553 * The SPL image looks as follows: 554 * 555 * 0x0 header0 (see rkcommon.c) 556 * 0x800 spl_name ('RK30', ..., 'RK33') 557 * (start of the payload for AArch64 payloads: we expect the 558 * first 4 bytes to be available for overwriting with our 559 * spl_name) 560 * 0x804 first instruction to be executed 561 * (start of the image/payload for 32bit payloads) 562 * 563 * For AArch64 (ARMv8) payloads, natural alignment (8-bytes) is 564 * required for its sections (so the image we receive needs to 565 * have the first 4 bytes reserved for the spl_name). Reserving 566 * these 4 bytes is done using the BOOT0_HOOK infrastructure. 567 * 568 * The header is always at 0x800 (as we now use a payload 569 * prepadded using the boot0 hook for all targets): the first 570 * 4 bytes of these images can safely be overwritten using the 571 * boot magic. 572 */ 573 tparams->header_size = RK_SPL_HDR_START; 574 575 /* Allocate, clear and install the header */ 576 tparams->hdr = malloc(tparams->header_size); 577 if (!tparams->hdr) { 578 fprintf(stderr, "%s: Can't alloc header: %s\n", 579 params->cmdname, strerror(errno)); 580 exit(EXIT_FAILURE); 581 } 582 memset(tparams->hdr, 0, tparams->header_size); 583 584 /* 585 * We need to store the original file-size (i.e. before padding), as 586 * imagetool does not set this during its adjustment of file_size. 587 */ 588 params->orig_file_size = tparams->header_size + 589 spl_params.init_size + spl_params.boot_size; 590 591 params->file_size = ROUND(params->orig_file_size, RK_SIZE_ALIGN); 592 593 /* Ignoring pad len, since we are using our own copy_image() */ 594 return 0; 595 } 596 597 static int pad_file(struct image_tool_params *params, int ifd, int pad) 598 { 599 uint8_t zeros[4096]; 600 601 memset(zeros, 0, sizeof(zeros)); 602 603 while (pad > 0) { 604 int todo = sizeof(zeros); 605 606 if (todo > pad) 607 todo = pad; 608 if (write(ifd, (char *)&zeros, todo) != todo) { 609 fprintf(stderr, "%s: Write error on %s: %s\n", 610 params->cmdname, params->imagefile, 611 strerror(errno)); 612 return -1; 613 } 614 pad -= todo; 615 } 616 617 return 0; 618 } 619 620 static int copy_file(struct image_tool_params *params, int ifd, 621 const char *file, int padded_size) 622 { 623 int dfd; 624 struct stat sbuf; 625 unsigned char *ptr; 626 int size; 627 628 if (params->vflag) 629 fprintf(stderr, "Adding Image %s\n", file); 630 631 dfd = open(file, O_RDONLY | O_BINARY); 632 if (dfd < 0) { 633 fprintf(stderr, "%s: Can't open %s: %s\n", 634 params->cmdname, file, strerror(errno)); 635 return -1; 636 } 637 638 if (fstat(dfd, &sbuf) < 0) { 639 fprintf(stderr, "%s: Can't stat %s: %s\n", 640 params->cmdname, file, strerror(errno)); 641 goto err_close; 642 } 643 644 if (params->vflag) 645 fprintf(stderr, "Size %u(pad to %u)\n", 646 (int)sbuf.st_size, padded_size); 647 648 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); 649 if (ptr == MAP_FAILED) { 650 fprintf(stderr, "%s: Can't read %s: %s\n", 651 params->cmdname, file, strerror(errno)); 652 goto err_munmap; 653 } 654 655 size = sbuf.st_size; 656 if (write(ifd, ptr, size) != size) { 657 fprintf(stderr, "%s: Write error on %s: %s\n", 658 params->cmdname, params->imagefile, strerror(errno)); 659 goto err_munmap; 660 } 661 662 munmap((void *)ptr, sbuf.st_size); 663 close(dfd); 664 return pad_file(params, ifd, padded_size - size); 665 666 err_munmap: 667 munmap((void *)ptr, sbuf.st_size); 668 err_close: 669 close(dfd); 670 return -1; 671 } 672 673 int rockchip_copy_image(int ifd, struct image_tool_params *params) 674 { 675 int ret; 676 677 ret = copy_file(params, ifd, spl_params.init_file, 678 spl_params.init_size); 679 if (ret) 680 return ret; 681 682 if (spl_params.boot_file) { 683 ret = copy_file(params, ifd, spl_params.boot_file, 684 spl_params.boot_size); 685 if (ret) 686 return ret; 687 } 688 689 return pad_file(params, ifd, 690 params->file_size - params->orig_file_size); 691 } 692