1 /* 2 * Copyright (c) 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <image.h> 9 #include <android_image.h> 10 #include <android_bootloader.h> 11 #include <malloc.h> 12 #include <mapmem.h> 13 #include <errno.h> 14 #include <boot_rkimg.h> 15 #include <crypto.h> 16 #include <sysmem.h> 17 #include <u-boot/sha1.h> 18 #ifdef CONFIG_RKIMG_BOOTLOADER 19 #include <asm/arch/resource_img.h> 20 #endif 21 #ifdef CONFIG_RK_AVB_LIBAVB_USER 22 #include <android_avb/avb_slot_verify.h> 23 #include <android_avb/avb_ops_user.h> 24 #include <android_avb/rk_avb_ops_user.h> 25 #endif 26 #include <optee_include/OpteeClientInterface.h> 27 28 DECLARE_GLOBAL_DATA_PTR; 29 30 #define ANDROID_IMAGE_DEFAULT_KERNEL_ADDR 0x10008000 31 #define ANDROID_ARG_FDT_FILENAME "rk-kernel.dtb" 32 #define ANDROID_Q_VER 10 33 34 /* Defined by rockchip legacy mkboot tool(SDK version < 8.1) */ 35 #define ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE 0x4000 36 37 static char andr_tmp_str[ANDR_BOOT_ARGS_SIZE + 1]; 38 static u32 android_kernel_comp_type = IH_COMP_NONE; 39 40 u32 android_image_major_version(void) 41 { 42 /* MSB 7-bits */ 43 return gd->bd->bi_andr_version >> 25; 44 } 45 46 u32 android_bcb_msg_sector_offset(void) 47 { 48 /* 49 * Rockchip platforms defines BCB message at the 16KB offset of 50 * misc partition while the Google defines it at 0x0 offset. 51 * 52 * From Android-Q, the 0x0 offset is mandary on Google VTS, so that 53 * this is a compatibility according to android image 'os_version'. 54 */ 55 #ifdef CONFIG_RKIMG_BOOTLOADER 56 return (android_image_major_version() >= ANDROID_Q_VER) ? 0x0 : 0x20; 57 #else 58 return 0x0; 59 #endif 60 } 61 62 static ulong android_image_get_kernel_addr(const struct andr_img_hdr *hdr) 63 { 64 /* 65 * All the Android tools that generate a boot.img use this 66 * address as the default. 67 * 68 * Even though it doesn't really make a lot of sense, and it 69 * might be valid on some platforms, we treat that address as 70 * the default value for this field, and try to execute the 71 * kernel in place in such a case. 72 * 73 * Otherwise, we will return the actual value set by the user. 74 */ 75 if (hdr->kernel_addr == ANDROID_IMAGE_DEFAULT_KERNEL_ADDR) 76 return (ulong)hdr + hdr->page_size; 77 78 #ifdef CONFIG_ARCH_ROCKCHIP 79 /* 80 * If kernel is compressed, kernel_addr is set as decompressed address 81 * after compressed being loaded to ram, so let's use it. 82 */ 83 if (android_kernel_comp_type != IH_COMP_NONE && 84 android_kernel_comp_type != IH_COMP_ZIMAGE) 85 return hdr->kernel_addr; 86 87 /* 88 * Compatble with rockchip legacy packing with kernel/ramdisk/second 89 * address base from 0x60000000(SDK versiont < 8.1), these are invalid 90 * address, so we calc it by real size. 91 */ 92 return (ulong)hdr + hdr->page_size; 93 #else 94 return hdr->kernel_addr; 95 #endif 96 97 } 98 99 void android_image_set_comp(struct andr_img_hdr *hdr, u32 comp) 100 { 101 android_kernel_comp_type = comp; 102 } 103 104 u32 android_image_get_comp(const struct andr_img_hdr *hdr) 105 { 106 return android_kernel_comp_type; 107 } 108 109 int android_image_parse_kernel_comp(const struct andr_img_hdr *hdr) 110 { 111 ulong kaddr = android_image_get_kernel_addr(hdr); 112 return bootm_parse_comp((const unsigned char *)kaddr); 113 } 114 115 /** 116 * android_image_get_kernel() - processes kernel part of Android boot images 117 * @hdr: Pointer to image header, which is at the start 118 * of the image. 119 * @verify: Checksum verification flag. Currently unimplemented. 120 * @os_data: Pointer to a ulong variable, will hold os data start 121 * address. 122 * @os_len: Pointer to a ulong variable, will hold os data length. 123 * 124 * This function returns the os image's start address and length. Also, 125 * it appends the kernel command line to the bootargs env variable. 126 * 127 * Return: Zero, os start address and length on success, 128 * otherwise on failure. 129 */ 130 int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify, 131 ulong *os_data, ulong *os_len) 132 { 133 u32 kernel_addr = android_image_get_kernel_addr(hdr); 134 135 /* 136 * Not all Android tools use the id field for signing the image with 137 * sha1 (or anything) so we don't check it. It is not obvious that the 138 * string is null terminated so we take care of this. 139 */ 140 strncpy(andr_tmp_str, hdr->name, ANDR_BOOT_NAME_SIZE); 141 andr_tmp_str[ANDR_BOOT_NAME_SIZE] = '\0'; 142 if (strlen(andr_tmp_str)) 143 printf("Android's image name: %s\n", andr_tmp_str); 144 145 printf("Kernel load addr 0x%08x size %u KiB\n", 146 kernel_addr, DIV_ROUND_UP(hdr->kernel_size, 1024)); 147 148 int len = 0; 149 if (*hdr->cmdline) { 150 debug("Kernel command line: %s\n", hdr->cmdline); 151 len += strlen(hdr->cmdline); 152 } 153 154 char *bootargs = env_get("bootargs"); 155 if (bootargs) 156 len += strlen(bootargs); 157 158 char *newbootargs = malloc(len + 2); 159 if (!newbootargs) { 160 puts("Error: malloc in android_image_get_kernel failed!\n"); 161 return -ENOMEM; 162 } 163 *newbootargs = '\0'; 164 165 if (bootargs) { 166 strcpy(newbootargs, bootargs); 167 strcat(newbootargs, " "); 168 } 169 if (*hdr->cmdline) 170 strcat(newbootargs, hdr->cmdline); 171 172 env_set("bootargs", newbootargs); 173 174 if (os_data) { 175 *os_data = (ulong)hdr; 176 *os_data += hdr->page_size; 177 } 178 if (os_len) 179 *os_len = hdr->kernel_size; 180 return 0; 181 } 182 183 int android_image_check_header(const struct andr_img_hdr *hdr) 184 { 185 return memcmp(ANDR_BOOT_MAGIC, hdr->magic, ANDR_BOOT_MAGIC_SIZE); 186 } 187 188 ulong android_image_get_end(const struct andr_img_hdr *hdr) 189 { 190 ulong end; 191 /* 192 * The header takes a full page, the remaining components are aligned 193 * on page boundary 194 */ 195 end = (ulong)hdr; 196 end += hdr->page_size; 197 end += ALIGN(hdr->kernel_size, hdr->page_size); 198 end += ALIGN(hdr->ramdisk_size, hdr->page_size); 199 end += ALIGN(hdr->second_size, hdr->page_size); 200 201 if (hdr->header_version >= 1) 202 end += ALIGN(hdr->recovery_dtbo_size, hdr->page_size); 203 204 return end; 205 } 206 207 u32 android_image_get_ksize(const struct andr_img_hdr *hdr) 208 { 209 return hdr->kernel_size; 210 } 211 212 void android_image_set_kload(struct andr_img_hdr *hdr, u32 load_address) 213 { 214 hdr->kernel_addr = load_address; 215 } 216 217 ulong android_image_get_kload(const struct andr_img_hdr *hdr) 218 { 219 return android_image_get_kernel_addr(hdr); 220 } 221 222 int android_image_get_ramdisk(const struct andr_img_hdr *hdr, 223 ulong *rd_data, ulong *rd_len) 224 { 225 ulong ramdisk_addr_r; 226 227 if (!hdr->ramdisk_size) { 228 *rd_data = *rd_len = 0; 229 return -1; 230 } 231 232 /* Have been loaded by android_image_load_separate() on ramdisk_addr_r */ 233 ramdisk_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0); 234 if (!ramdisk_addr_r) { 235 printf("No Found Ramdisk Load Address.\n"); 236 return -1; 237 } 238 239 *rd_data = ramdisk_addr_r; 240 *rd_len = hdr->ramdisk_size; 241 242 printf("RAM disk load addr 0x%08lx size %u KiB\n", 243 *rd_data, DIV_ROUND_UP(hdr->ramdisk_size, 1024)); 244 245 return 0; 246 } 247 248 int android_image_get_fdt(const struct andr_img_hdr *hdr, 249 ulong *rd_data) 250 { 251 ulong fdt_addr_r; 252 253 if (!hdr->second_size) { 254 *rd_data = 0; 255 return -1; 256 } 257 258 /* Have been loaded by android_image_load_separate() on fdt_addr_r */ 259 fdt_addr_r = env_get_ulong("fdt_addr_r", 16, 0); 260 if (!fdt_addr_r) { 261 printf("No Found FDT Load Address.\n"); 262 return -1; 263 } 264 265 *rd_data = fdt_addr_r; 266 267 debug("FDT load addr 0x%08x size %u KiB\n", 268 hdr->second_addr, DIV_ROUND_UP(hdr->second_size, 1024)); 269 270 return 0; 271 } 272 273 #ifdef CONFIG_ANDROID_BOOT_IMAGE_HASH 274 static void print_hash(const char *label, u8 *hash, int len) 275 { 276 int i; 277 278 printf("%s:\n 0x", label ? : "Hash"); 279 for (i = 0; i < len; i++) 280 printf("%02x", hash[i]); 281 printf("\n"); 282 } 283 284 /* 285 * This is only for Non-AVB image, because AVB image is verified by AVB bootflow. 286 * The kernel/ramdisk/second address should be the real address in hdr before 287 * calling this function. 288 * 289 * mkbootimg tool always use SHA1 for images. 290 */ 291 static int android_image_hash_verify(struct andr_img_hdr *hdr) 292 { 293 u8 hash[20]; 294 295 #ifdef DEBUG 296 android_print_contents(hdr); 297 #endif 298 299 if (hdr->kernel_addr == ANDROID_IMAGE_DEFAULT_KERNEL_ADDR) { 300 printf("No real image address in android hdr\n"); 301 return -EINVAL; 302 } 303 304 #ifdef CONFIG_DM_CRYPTO 305 struct udevice *dev; 306 sha_context ctx; 307 308 dev = crypto_get_device(CRYPTO_SHA1); 309 if (!dev) { 310 printf("Can't find crypto device for SHA1 capability\n"); 311 return -ENODEV; 312 } 313 314 ctx.algo = CRYPTO_SHA1; 315 ctx.length = hdr->kernel_size + sizeof(hdr->kernel_size) + 316 hdr->ramdisk_size + sizeof(hdr->ramdisk_size) + 317 hdr->second_size + sizeof(hdr->second_size); 318 #ifdef CONFIG_HASH_ROCKCHIP_LEGACY 319 ctx.length += sizeof(hdr->tags_addr) + sizeof(hdr->page_size) + 320 sizeof(hdr->unused) + sizeof(hdr->name) + 321 sizeof(hdr->cmdline); 322 #endif 323 324 crypto_sha_init(dev, &ctx); 325 326 crypto_sha_update(dev, (u32 *)(ulong)hdr->kernel_addr, 327 hdr->kernel_size); 328 crypto_sha_update(dev, (u32 *)&hdr->kernel_size, 329 sizeof(hdr->kernel_size)); 330 crypto_sha_update(dev, (u32 *)(ulong)hdr->ramdisk_addr, 331 hdr->ramdisk_size); 332 crypto_sha_update(dev, (u32 *)&hdr->ramdisk_size, 333 sizeof(hdr->ramdisk_size)); 334 crypto_sha_update(dev, (u32 *)(ulong)hdr->second_addr, 335 hdr->second_size); 336 crypto_sha_update(dev, (u32 *)&hdr->second_size, 337 sizeof(hdr->second_size)); 338 #ifdef CONFIG_HASH_ROCKCHIP_LEGACY 339 crypto_sha_update(dev, (u32 *)&hdr->tags_addr, sizeof(hdr->tags_addr)); 340 crypto_sha_update(dev, (u32 *)&hdr->page_size, sizeof(hdr->page_size)); 341 crypto_sha_update(dev, (u32 *)&hdr->header_version, 342 sizeof(hdr->header_version)); 343 crypto_sha_update(dev, (u32 *)&hdr->os_version, sizeof(hdr->os_version)); 344 crypto_sha_update(dev, (u32 *)&hdr->name, sizeof(hdr->name)); 345 crypto_sha_update(dev, (u32 *)&hdr->cmdline, sizeof(hdr->cmdline)); 346 #endif 347 348 crypto_sha_final(dev, &ctx, hash); 349 350 #elif CONFIG_SHA1 351 sha1_context ctx; 352 353 sha1_starts(&ctx); 354 sha1_update(&ctx, (u8 *)(ulong)hdr->kernel_addr, hdr->kernel_size); 355 sha1_update(&ctx, (u8 *)&hdr->kernel_size, sizeof(hdr->kernel_size)); 356 sha1_update(&ctx, (u8 *)(ulong)hdr->ramdisk_addr, hdr->ramdisk_size); 357 sha1_update(&ctx, (u8 *)&hdr->ramdisk_size, sizeof(hdr->ramdisk_size)); 358 sha1_update(&ctx, (u8 *)(ulong)hdr->second_addr, hdr->second_size); 359 sha1_update(&ctx, (u8 *)&hdr->second_size, sizeof(hdr->second_size)); 360 #ifdef CONFIG_HASH_ROCKCHIP_LEGACY 361 sha1_update(&ctx, (u8 *)&hdr->tags_addr, sizeof(hdr->tags_addr)); 362 sha1_update(&ctx, (u8 *)&hdr->page_size, sizeof(hdr->page_size)); 363 sha1_update(&ctx, (u8 *)&hdr->header_version, 364 sizeof(hdr->header_version)); 365 sha1_update(&ctx, (u8 *)&hdr->os_version, sizeof(hdr->os_version)); 366 sha1_update(&ctx, (u8 *)&hdr->name, sizeof(hdr->name)); 367 sha1_update(&ctx, (u8 *)&hdr->cmdline, sizeof(hdr->cmdline)); 368 #endif 369 370 sha1_finish(&ctx, hash); 371 #endif /* CONFIG_SHA1 */ 372 373 if (memcmp(hash, hdr->id, 20)) { 374 print_hash("SHA1 from image header", (u8 *)hdr->id, 20); 375 print_hash("SHA1 real", (u8 *)hash, 20); 376 return -EBADFD; 377 } 378 379 return 0; 380 } 381 #endif 382 383 int android_image_load_separate(struct andr_img_hdr *hdr, 384 const disk_partition_t *part, 385 void *load_address, void *ram_base) 386 { 387 struct blk_desc *dev_desc = rockchip_get_bootdev(); 388 ulong ramdisk_addr_r = env_get_ulong("ramdisk_addr_r", 16, 0); 389 ulong kernel_addr_r = env_get_ulong("kernel_addr_r", 16, 0); 390 char *fdt_high = env_get("fdt_high"); 391 char *ramdisk_high = env_get("initrd_high"); 392 ulong blk_start, blk_cnt, size; 393 ulong start, second_addr_r = 0; 394 int ret, blk_read = 0; 395 396 if (android_image_check_header(hdr)) { 397 printf("Bad android image header\n"); 398 return -EINVAL; 399 } 400 401 if (hdr->kernel_size) { 402 size = hdr->kernel_size + hdr->page_size; 403 blk_cnt = DIV_ROUND_UP(size, dev_desc->blksz); 404 if (!sysmem_alloc_base(MEMBLK_ID_KERNEL, 405 (phys_addr_t)load_address, 406 blk_cnt * dev_desc->blksz)) 407 return -ENXIO; 408 409 if (ram_base) { 410 start = (ulong)ram_base; 411 memcpy((char *)load_address, (char *)start, size); 412 } else { 413 blk_start = part->start; 414 ret = blk_dread(dev_desc, blk_start, 415 blk_cnt, load_address); 416 if (ret != blk_cnt) { 417 printf("%s: read kernel failed, ret=%d\n", 418 __func__, ret); 419 return -1; 420 } 421 blk_read += ret; 422 } 423 } 424 425 if (hdr->ramdisk_size) { 426 size = hdr->page_size + ALIGN(hdr->kernel_size, hdr->page_size); 427 blk_cnt = DIV_ROUND_UP(hdr->ramdisk_size, dev_desc->blksz); 428 if (!sysmem_alloc_base(MEMBLK_ID_RAMDISK, 429 ramdisk_addr_r, 430 blk_cnt * dev_desc->blksz)) 431 return -ENXIO; 432 if (ram_base) { 433 start = (unsigned long)ram_base; 434 start += hdr->page_size; 435 start += ALIGN(hdr->kernel_size, hdr->page_size); 436 memcpy((char *)ramdisk_addr_r, 437 (char *)start, hdr->ramdisk_size); 438 } else { 439 blk_start = part->start + 440 DIV_ROUND_UP(size, dev_desc->blksz); 441 ret = blk_dread(dev_desc, blk_start, 442 blk_cnt, (void *)ramdisk_addr_r); 443 if (ret != blk_cnt) { 444 printf("%s: read ramdisk failed, ret=%d\n", 445 __func__, ret); 446 return -1; 447 } 448 blk_read += ret; 449 } 450 } 451 452 /* 453 * Load dtb file by rockchip_read_dtb_file() which support pack 454 * dtb in second position or resource file. 455 */ 456 #ifdef CONFIG_RKIMG_BOOTLOADER 457 ulong fdt_addr_r = env_get_ulong("fdt_addr_r", 16, 0); 458 459 if (hdr->second_size && (gd->fdt_blob != (void *)fdt_addr_r)) { 460 ulong fdt_size; 461 462 fdt_size = rockchip_read_dtb_file((void *)fdt_addr_r); 463 if (fdt_size < 0) { 464 printf("%s: read fdt failed\n", __func__); 465 return ret; 466 } 467 468 blk_read += DIV_ROUND_UP(fdt_size, dev_desc->blksz); 469 } 470 #endif 471 472 #ifdef CONFIG_ANDROID_BOOT_IMAGE_HASH 473 if (hdr->second_size) { 474 ulong blk_start, blk_cnt; 475 476 /* Just for image data hash calculation */ 477 second_addr_r = (ulong)malloc(hdr->second_size); 478 if (!second_addr_r) 479 return -ENOMEM; 480 481 size = hdr->page_size + 482 ALIGN(hdr->kernel_size, hdr->page_size) + 483 ALIGN(hdr->ramdisk_size, hdr->page_size); 484 blk_cnt = DIV_ROUND_UP(hdr->second_size, dev_desc->blksz); 485 486 if (ram_base) { 487 start = (unsigned long)ram_base; 488 start += hdr->page_size; 489 start += ALIGN(hdr->kernel_size, hdr->page_size); 490 start += ALIGN(hdr->ramdisk_size, hdr->page_size); 491 memcpy((char *)second_addr_r, 492 (char *)start, hdr->second_size); 493 } else { 494 blk_start = part->start + 495 DIV_ROUND_UP(size, dev_desc->blksz); 496 ret = blk_dread(dev_desc, blk_start, blk_cnt, 497 (void *)second_addr_r); 498 if (ret != blk_cnt) { 499 printf("%s: read second pos failed, ret=%d\n", 500 __func__, ret); 501 return -1; 502 } 503 504 blk_read += blk_cnt; 505 } 506 } 507 #endif 508 509 /* Update hdr with real image address */ 510 hdr->kernel_addr = kernel_addr_r; 511 hdr->second_addr = second_addr_r; 512 hdr->ramdisk_addr = ramdisk_addr_r; 513 514 /* 515 * Since images are loaded separate, fdt/ramdisk relocation 516 * can be disabled, it saves boot time. 517 */ 518 if (blk_read > 0 || ram_base) { 519 if (!fdt_high) { 520 env_set_hex("fdt_high", -1UL); 521 printf("Fdt "); 522 } 523 if (!ramdisk_high) { 524 env_set_hex("initrd_high", -1UL); 525 printf("Ramdisk "); 526 } 527 if (!fdt_high || !ramdisk_high) 528 printf("skip relocation\n"); 529 } 530 531 return blk_read; 532 } 533 534 int android_image_memcpy_separate(struct andr_img_hdr *hdr, void *load_address) 535 { 536 return android_image_load_separate(hdr, NULL, load_address, hdr); 537 } 538 539 long android_image_load(struct blk_desc *dev_desc, 540 const disk_partition_t *part_info, 541 unsigned long load_address, 542 unsigned long max_size) { 543 struct andr_img_hdr *hdr; 544 u32 blksz = dev_desc->blksz; 545 u32 pszcnt, hdrcnt, kercnt; 546 void *buf; 547 long blk_cnt = 0; 548 long blk_read = 0; 549 u32 comp; 550 u32 kload_addr; 551 552 if (max_size < part_info->blksz) 553 return -1; 554 555 /* 556 * read Android image header and leave enough space for page_size align 557 * and kernel image header(1 block maybe enough). 558 * 559 * ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE is defined by rockchip legacy 560 * mkboot tool(SDK version < 8.1) and larger than Google defined. 561 * 562 * To compatible this, we malloc enough buffer but only read android 563 * header and kernel image(1 block) from storage(ignore page size). 564 */ 565 kercnt = 1; 566 hdrcnt = DIV_ROUND_UP(sizeof(*hdr), blksz); 567 pszcnt = DIV_ROUND_UP(ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE, blksz); 568 569 hdr = memalign(ARCH_DMA_MINALIGN, (hdrcnt + pszcnt + kercnt) * blksz); 570 if (!hdr) { 571 printf("%s: no memory\n", __func__); 572 return -1; 573 } 574 575 if (blk_dread(dev_desc, part_info->start, hdrcnt, hdr) != hdrcnt) 576 blk_read = -1; 577 578 if (!blk_read && android_image_check_header(hdr) != 0) { 579 printf("** Invalid Android Image header **\n"); 580 blk_read = -1; 581 } 582 583 /* 584 * Update and skip pszcnt(hdr is included) according to hdr->page_size, 585 * reading kernel image for compress validation. 586 */ 587 pszcnt = DIV_ROUND_UP(hdr->page_size, blksz); 588 589 if (blk_dread(dev_desc, part_info->start + pszcnt, kercnt, 590 (void *)((ulong)hdr + hdr->page_size)) != kercnt) 591 blk_read = -1; 592 593 /* page_size for image header */ 594 load_address -= hdr->page_size; 595 596 /* We don't know the size of the Android image before reading the header 597 * so we don't limit the size of the mapped memory. 598 */ 599 buf = map_sysmem(load_address, 0 /* size */); 600 if (!blk_read) { 601 blk_cnt = (android_image_get_end(hdr) - (ulong)hdr + 602 part_info->blksz - 1) / part_info->blksz; 603 comp = android_image_parse_kernel_comp(hdr); 604 /* 605 * We should load compressed kernel Image to high memory at 606 * address "kernel_addr_c". 607 */ 608 if (comp != IH_COMP_NONE) { 609 ulong kernel_addr_c; 610 611 env_set_ulong("os_comp", comp); 612 kernel_addr_c = env_get_ulong("kernel_addr_c", 16, 0); 613 if (kernel_addr_c) { 614 load_address = kernel_addr_c - hdr->page_size; 615 unmap_sysmem(buf); 616 buf = map_sysmem(load_address, 0 /* size */); 617 } 618 #ifdef CONFIG_ARM64 619 else { 620 printf("Warn: \"kernel_addr_c\" is not defined " 621 "for compressed kernel Image!\n"); 622 load_address += android_image_get_ksize(hdr) * 3; 623 load_address = ALIGN(load_address, ARCH_DMA_MINALIGN); 624 env_set_ulong("kernel_addr_c", load_address); 625 626 load_address -= hdr->page_size; 627 unmap_sysmem(buf); 628 buf = map_sysmem(load_address, 0 /* size */); 629 } 630 #endif 631 } 632 633 if (blk_cnt * part_info->blksz > max_size) { 634 debug("Android Image too big (%lu bytes, max %lu)\n", 635 android_image_get_end(hdr) - (ulong)hdr, 636 max_size); 637 blk_read = -1; 638 } else { 639 debug("Loading Android Image (%lu blocks) to 0x%lx... ", 640 blk_cnt, load_address); 641 blk_read = 642 android_image_load_separate(hdr, part_info, buf, NULL); 643 } 644 645 /* Verify image hash */ 646 #ifdef CONFIG_ANDROID_BOOT_IMAGE_HASH 647 if (android_image_hash_verify(hdr)) { 648 printf("Image hash miss match!\n"); 649 return -EBADFD; 650 } 651 652 printf("Image hash verify ok\n"); 653 #endif 654 /* 655 * zImage is not need to decompress 656 * kernel will handle decompress itself 657 */ 658 if (comp != IH_COMP_NONE && comp != IH_COMP_ZIMAGE) { 659 kload_addr = env_get_ulong("kernel_addr_r", 16, 0x02080000); 660 android_image_set_kload(buf, kload_addr); 661 android_image_set_comp(buf, comp); 662 } else { 663 android_image_set_comp(buf, IH_COMP_NONE); 664 } 665 666 } 667 668 free(hdr); 669 unmap_sysmem(buf); 670 671 debug("%lu blocks read\n", blk_read); 672 if (blk_read < 0) 673 return -1; 674 675 return load_address; 676 } 677 678 #if !defined(CONFIG_SPL_BUILD) 679 /** 680 * android_print_contents - prints out the contents of the Android format image 681 * @hdr: pointer to the Android format image header 682 * 683 * android_print_contents() formats a multi line Android image contents 684 * description. 685 * The routine prints out Android image properties 686 * 687 * returns: 688 * no returned results 689 */ 690 void android_print_contents(const struct andr_img_hdr *hdr) 691 { 692 const char * const p = IMAGE_INDENT_STRING; 693 /* os_version = ver << 11 | lvl */ 694 u32 os_ver = hdr->os_version >> 11; 695 u32 os_lvl = hdr->os_version & ((1U << 11) - 1); 696 u32 header_version = hdr->header_version; 697 698 printf("%skernel size: %x\n", p, hdr->kernel_size); 699 printf("%skernel address: %x\n", p, hdr->kernel_addr); 700 printf("%sramdisk size: %x\n", p, hdr->ramdisk_size); 701 printf("%sramdisk addrress: %x\n", p, hdr->ramdisk_addr); 702 printf("%ssecond size: %x\n", p, hdr->second_size); 703 printf("%ssecond address: %x\n", p, hdr->second_addr); 704 printf("%stags address: %x\n", p, hdr->tags_addr); 705 printf("%spage size: %x\n", p, hdr->page_size); 706 printf("%sheader_version: %x\n", p, header_version); 707 /* ver = A << 14 | B << 7 | C (7 bits for each of A, B, C) 708 * lvl = ((Y - 2000) & 127) << 4 | M (7 bits for Y, 4 bits for M) */ 709 printf("%sos_version: %x (ver: %u.%u.%u, level: %u.%u)\n", 710 p, hdr->os_version, 711 (os_ver >> 7) & 0x7F, (os_ver >> 14) & 0x7F, os_ver & 0x7F, 712 (os_lvl >> 4) + 2000, os_lvl & 0x0F); 713 printf("%sname: %s\n", p, hdr->name); 714 printf("%scmdline: %s\n", p, hdr->cmdline); 715 716 if (header_version >= 1) { 717 printf("%srecovery dtbo size: %x\n", p, hdr->recovery_dtbo_size); 718 printf("%srecovery dtbo offset: %llx\n", p, hdr->recovery_dtbo_offset); 719 printf("%sheader size: %x\n", p, hdr->header_size); 720 } 721 722 if (header_version >= 2) { 723 printf("%sdtb size: %x\n", p, hdr->dtb_size); 724 printf("%sdtb addr: %llx\n", p, hdr->dtb_addr); 725 } 726 } 727 #endif 728