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 #if defined(CONFIG_DM_CRYPTO) && defined(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 #endif 284 285 typedef enum { 286 IMG_KERNEL, 287 IMG_RAMDISK, 288 IMG_SECOND, 289 IMG_RECOVERY_DTBO, 290 IMG_RK_DTB, /* within resource.img in second position */ 291 IMG_DTB, 292 IMG_MAX, 293 } img_t; 294 295 static int image_read(img_t img, struct andr_img_hdr *hdr, 296 ulong blkstart, void *ram_base, 297 struct udevice *crypto) 298 { 299 struct blk_desc *desc = rockchip_get_bootdev(); 300 __maybe_unused u32 sizesz; 301 ulong pgsz = hdr->page_size; 302 ulong blksz = desc->blksz; 303 ulong blkcnt, blkoff; 304 ulong offset = 0; 305 ulong datasz; 306 void *ramdst; 307 int ret = 0; 308 309 switch (img) { 310 case IMG_KERNEL: 311 offset = 0; /* include a page_size(image header) */ 312 blkcnt = DIV_ROUND_UP(hdr->kernel_size + pgsz, blksz); 313 ramdst = (void *)env_get_ulong("android_addr_r", 16, 0); 314 datasz = hdr->kernel_size + pgsz; 315 sizesz = sizeof(hdr->kernel_size); 316 if (!sysmem_alloc_base(MEMBLK_ID_KERNEL, 317 (phys_addr_t)ramdst, blkcnt * blksz)) 318 return -ENOMEM; 319 break; 320 case IMG_RAMDISK: 321 offset = pgsz + ALIGN(hdr->kernel_size, pgsz); 322 blkcnt = DIV_ROUND_UP(hdr->ramdisk_size, blksz); 323 ramdst = (void *)env_get_ulong("ramdisk_addr_r", 16, 0); 324 datasz = hdr->ramdisk_size; 325 sizesz = sizeof(hdr->ramdisk_size); 326 if (datasz && !sysmem_alloc_base(MEMBLK_ID_RAMDISK, 327 (phys_addr_t)ramdst, blkcnt * blksz)) 328 return -ENOMEM; 329 break; 330 case IMG_SECOND: 331 offset = pgsz + 332 ALIGN(hdr->kernel_size, pgsz) + 333 ALIGN(hdr->ramdisk_size, pgsz); 334 blkcnt = DIV_ROUND_UP(hdr->second_size, blksz); 335 datasz = hdr->second_size; 336 sizesz = sizeof(hdr->second_size); 337 ramdst = malloc(blkcnt * blksz); 338 break; 339 case IMG_RECOVERY_DTBO: 340 offset = pgsz + 341 ALIGN(hdr->kernel_size, pgsz) + 342 ALIGN(hdr->ramdisk_size, pgsz) + 343 ALIGN(hdr->second_size, pgsz); 344 blkcnt = DIV_ROUND_UP(hdr->recovery_dtbo_size, blksz); 345 datasz = hdr->recovery_dtbo_size; 346 sizesz = sizeof(hdr->recovery_dtbo_size); 347 ramdst = malloc(blkcnt * blksz); 348 break; 349 case IMG_DTB: 350 offset = pgsz + 351 ALIGN(hdr->kernel_size, pgsz) + 352 ALIGN(hdr->ramdisk_size, pgsz) + 353 ALIGN(hdr->second_size, pgsz) + 354 ALIGN(hdr->recovery_dtbo_size, pgsz); 355 blkcnt = DIV_ROUND_UP(hdr->dtb_size, blksz); 356 datasz = hdr->dtb_size; 357 sizesz = sizeof(hdr->dtb_size); 358 ramdst = malloc(blkcnt * blksz); 359 break; 360 case IMG_RK_DTB: 361 #ifdef CONFIG_RKIMG_BOOTLOADER 362 /* No going further, it handles DTBO, HW-ID, etc */ 363 ramdst = (void *)env_get_ulong("fdt_addr_r", 16, 0); 364 if (gd->fdt_blob != (void *)ramdst) 365 ret = rockchip_read_dtb_file(ramdst); 366 #endif 367 return ret < 0 ? ret : 0; 368 default: 369 return -EINVAL; 370 } 371 372 if (!ramdst) { 373 printf("No memory for image(%d)\n", img); 374 return -ENOMEM; 375 } 376 377 /* load */ 378 if (ram_base) { 379 memcpy(ramdst, (char *)((ulong)ram_base + offset), datasz); 380 } else { 381 blkoff = DIV_ROUND_UP(offset, blksz); 382 ret = blk_dread(desc, blkstart + blkoff, blkcnt, ramdst); 383 if (ret != blkcnt) { 384 printf("Failed to read img(%d), ret=%d\n", img, ret); 385 return -EIO; 386 } 387 } 388 389 /* sha1 */ 390 #ifdef CONFIG_DM_CRYPTO 391 if (crypto) { 392 if (img == IMG_KERNEL) { 393 ramdst += pgsz; 394 datasz -= pgsz; 395 } 396 397 crypto_sha_update(crypto, (u32 *)ramdst, datasz); 398 crypto_sha_update(crypto, (u32 *)&datasz, sizesz); 399 } 400 #endif 401 402 return 0; 403 } 404 405 static int android_image_separate(struct andr_img_hdr *hdr, 406 const disk_partition_t *part, 407 void *load_address, 408 void *ram_base) 409 { 410 char *initrd_high; 411 char *fdt_high; 412 ulong bstart; 413 414 if (android_image_check_header(hdr)) { 415 printf("Bad android image header\n"); 416 return -EINVAL; 417 } 418 419 /* set for image_read(IMG_KERNEL, ...) */ 420 env_set_hex("android_addr_r", (ulong)load_address); 421 bstart = part ? part->start : 0; 422 423 /* 424 * 1. Load images to their individual target ram position 425 * in order to disable fdt/ramdisk relocation. 426 */ 427 #if defined(CONFIG_DM_CRYPTO) && defined(CONFIG_ANDROID_BOOT_IMAGE_HASH) 428 struct udevice *dev; 429 sha_context ctx; 430 uchar hash[20]; 431 432 ctx.length = 0; 433 ctx.algo = CRYPTO_SHA1; 434 dev = crypto_get_device(ctx.algo); 435 if (!dev) { 436 printf("Can't find crypto device for SHA1 capability\n"); 437 return -ENODEV; 438 } 439 440 #ifdef CONFIG_ROCKCHIP_CRYPTO_V1 441 /* v1: requires total length before sha init */ 442 ctx.length += hdr->kernel_size + sizeof(hdr->kernel_size) + 443 hdr->ramdisk_size + sizeof(hdr->ramdisk_size) + 444 hdr->second_size + sizeof(hdr->second_size); 445 if (hdr->header_version > 0) 446 ctx.length += hdr->recovery_dtbo_size + 447 sizeof(hdr->recovery_dtbo_size); 448 if (hdr->header_version > 1) 449 ctx.length += hdr->dtb_size + sizeof(hdr->dtb_size); 450 #endif 451 crypto_sha_init(dev, &ctx); 452 453 /* load, never change order ! */ 454 if (image_read(IMG_RK_DTB, hdr, bstart, ram_base, NULL)) 455 return -1; 456 if (image_read(IMG_KERNEL, hdr, bstart, ram_base, dev)) 457 return -1; 458 if (image_read(IMG_RAMDISK, hdr, bstart, ram_base, dev)) 459 return -1; 460 if (image_read(IMG_SECOND, hdr, bstart, ram_base, dev)) 461 return -1; 462 if (hdr->header_version > 0) { 463 if (image_read(IMG_RECOVERY_DTBO, hdr, bstart, ram_base, dev)) 464 return -1; 465 } 466 if (hdr->header_version > 1) { 467 if (image_read(IMG_DTB, hdr, bstart, ram_base, dev)) 468 return -1; 469 } 470 471 crypto_sha_final(dev, &ctx, hash); 472 if (memcmp(hash, hdr->id, 20)) { 473 print_hash("Hash from header", (u8 *)hdr->id, 20); 474 print_hash("Hash real", (u8 *)hash, 20); 475 return -EBADFD; 476 } else { 477 printf("Image hash OK\n"); 478 } 479 480 #else /* !(CONFIG_DM_CRYPTO && CONFIG_ANDROID_BOOT_IMAGE_HASH) */ 481 if (image_read(IMG_RK_DTB, hdr, bstart, ram_base, NULL)) 482 return -1; 483 if (image_read(IMG_KERNEL, hdr, bstart, ram_base, NULL)) 484 return -1; 485 if (image_read(IMG_RAMDISK, hdr, bstart, ram_base, NULL)) 486 return -1; 487 if (image_read(IMG_SECOND, hdr, bstart, ram_base, NULL)) 488 return -1; 489 if (hdr->header_version > 0) { 490 if (image_read(IMG_RECOVERY_DTBO, hdr, bstart, ram_base, NULL)) 491 return -1; 492 } 493 if (hdr->header_version > 1) { 494 if (image_read(IMG_DTB, hdr, bstart, ram_base, NULL)) 495 return -1; 496 } 497 #endif 498 499 /* 500 * 2. Disable fdt/ramdisk relocation, it saves boot time. 501 */ 502 initrd_high = env_get("initrd_high"); 503 fdt_high = env_get("fdt_high"); 504 505 if (!fdt_high) { 506 env_set_hex("fdt_high", -1UL); 507 printf("Fdt "); 508 } 509 if (!initrd_high) { 510 env_set_hex("initrd_high", -1UL); 511 printf("Ramdisk "); 512 } 513 if (!fdt_high || !initrd_high) 514 printf("skip relocation\n"); 515 516 return 0; 517 } 518 519 /* 520 * 'boot_android' cmd use "kernel_addr_r" as default load address ! 521 * We update it according to compress type and "kernel_addr_c/r". 522 */ 523 int android_image_parse_comp(struct andr_img_hdr *hdr, ulong *load_addr) 524 { 525 ulong kernel_addr_c; 526 int comp; 527 528 kernel_addr_c = env_get_ulong("kernel_addr_c", 16, 0); 529 comp = android_image_parse_kernel_comp(hdr); 530 531 #ifdef CONFIG_ARM64 532 /* 533 * On 64-bit kernel, assuming use IMAGE by default. 534 * 535 * kernel_addr_c is for LZ4-IMAGE but maybe not defined. 536 * kernel_addr_r is for IMAGE. 537 */ 538 if (comp != IH_COMP_NONE) { 539 ulong comp_addr; 540 541 if (kernel_addr_c) { 542 comp_addr = kernel_addr_c; 543 } else { 544 printf("Warn: No \"kernel_addr_c\"\n"); 545 comp_addr = CONFIG_SYS_SDRAM_BASE + 0x2000000;/* 32M */ 546 env_set_ulong("kernel_addr_c", comp_addr); 547 } 548 549 *load_addr = comp_addr - hdr->page_size; 550 } 551 #else 552 /* 553 * On 32-bit kernel, assuming use zImage by default. 554 * 555 * kernel_addr_c is for LZ4/zImage but maybe not defined. 556 * kernel_addr_r is for zImage when kernel_addr_c is not defined. 557 * kernel_addr_r is for IMAGE when kernel_addr_c is defined. 558 */ 559 if (comp == IH_COMP_NONE) { 560 if (kernel_addr_c) 561 *load_addr = env_get_ulong("kernel_addr_r", 16, 0); 562 else 563 *load_addr = CONFIG_SYS_SDRAM_BASE + 0x8000; 564 } else { 565 if (kernel_addr_c) 566 *load_addr = kernel_addr_c - hdr->page_size; 567 } 568 #endif 569 570 env_set_ulong("os_comp", comp); 571 return comp; 572 } 573 574 void android_image_set_decomp(struct andr_img_hdr *hdr, int comp) 575 { 576 ulong kernel_addr_r; 577 578 /* zImage handles decompress itself */ 579 if (comp != IH_COMP_NONE && comp != IH_COMP_ZIMAGE) { 580 kernel_addr_r = env_get_ulong("kernel_addr_r", 16, 0x02080000); 581 android_image_set_kload(hdr, kernel_addr_r); 582 android_image_set_comp(hdr, comp); 583 } else { 584 android_image_set_comp(hdr, IH_COMP_NONE); 585 } 586 } 587 588 static int android_image_load_separate(struct andr_img_hdr *hdr, 589 const disk_partition_t *part, 590 void *load_addr) 591 { 592 return android_image_separate(hdr, part, load_addr, NULL); 593 } 594 595 int android_image_memcpy_separate(struct andr_img_hdr *hdr, ulong *load_addr) 596 { 597 ulong comp_addr = *load_addr; 598 int comp; 599 600 comp = android_image_parse_comp(hdr, &comp_addr); 601 if (android_image_separate(hdr, NULL, (void *)comp_addr, hdr)) 602 return -1; 603 604 *load_addr = comp_addr; 605 android_image_set_decomp((void *)comp_addr, comp); 606 607 return 0; 608 } 609 610 long android_image_load(struct blk_desc *dev_desc, 611 const disk_partition_t *part_info, 612 unsigned long load_address, 613 unsigned long max_size) { 614 struct andr_img_hdr *hdr; 615 u32 blksz = dev_desc->blksz; 616 u32 pszcnt, hdrcnt, kercnt; 617 int comp, ret; 618 619 if (max_size < part_info->blksz) 620 return -1; 621 622 /* 623 * read Android image header and leave enough space for page_size align 624 * and kernel image header(1 block maybe enough). 625 * 626 * ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE is defined by rockchip legacy 627 * mkboot tool(SDK version < 8.1) and larger than Google defined. 628 * 629 * To compatible this, we malloc enough buffer but only read android 630 * header and kernel image(1 block) from storage(ignore page size). 631 */ 632 kercnt = 1; 633 hdrcnt = DIV_ROUND_UP(sizeof(*hdr), blksz); 634 pszcnt = DIV_ROUND_UP(ANDROID_ROCKCHIP_LEGACY_PAGE_SIZE, blksz); 635 636 hdr = memalign(ARCH_DMA_MINALIGN, (hdrcnt + pszcnt + kercnt) * blksz); 637 if (!hdr) { 638 printf("No memory\n"); 639 return -1; 640 } 641 642 if (blk_dread(dev_desc, part_info->start, hdrcnt, hdr) != hdrcnt) { 643 printf("Failed to read image header\n"); 644 goto fail; 645 } 646 647 if (android_image_check_header(hdr) != 0) { 648 printf("** Invalid Android Image header **\n"); 649 goto fail; 650 } 651 652 /* 653 * Update and skip pszcnt(hdr is included) according to hdr->page_size, 654 * reading kernel image for compress validation. 655 */ 656 pszcnt = DIV_ROUND_UP(hdr->page_size, blksz); 657 if (blk_dread(dev_desc, part_info->start + pszcnt, kercnt, 658 (void *)((ulong)hdr + hdr->page_size)) != kercnt) { 659 printf("Failed to read kernel header\n"); 660 goto fail; 661 } 662 663 load_address -= hdr->page_size; 664 665 /* Let's load kernel now ! */ 666 comp = android_image_parse_comp(hdr, &load_address); 667 ret = android_image_load_separate(hdr, part_info, (void *)load_address); 668 if (ret) { 669 printf("Failed to load android image\n"); 670 goto fail; 671 } 672 android_image_set_decomp((void *)load_address, comp); 673 674 debug("Loading Android Image to 0x%08lx\n", load_address); 675 676 free(hdr); 677 return load_address; 678 679 fail: 680 free(hdr); 681 return -1; 682 } 683 684 #if !defined(CONFIG_SPL_BUILD) 685 /** 686 * android_print_contents - prints out the contents of the Android format image 687 * @hdr: pointer to the Android format image header 688 * 689 * android_print_contents() formats a multi line Android image contents 690 * description. 691 * The routine prints out Android image properties 692 * 693 * returns: 694 * no returned results 695 */ 696 void android_print_contents(const struct andr_img_hdr *hdr) 697 { 698 const char * const p = IMAGE_INDENT_STRING; 699 /* os_version = ver << 11 | lvl */ 700 u32 os_ver = hdr->os_version >> 11; 701 u32 os_lvl = hdr->os_version & ((1U << 11) - 1); 702 u32 header_version = hdr->header_version; 703 704 printf("%skernel size: %x\n", p, hdr->kernel_size); 705 printf("%skernel address: %x\n", p, hdr->kernel_addr); 706 printf("%sramdisk size: %x\n", p, hdr->ramdisk_size); 707 printf("%sramdisk addrress: %x\n", p, hdr->ramdisk_addr); 708 printf("%ssecond size: %x\n", p, hdr->second_size); 709 printf("%ssecond address: %x\n", p, hdr->second_addr); 710 printf("%stags address: %x\n", p, hdr->tags_addr); 711 printf("%spage size: %x\n", p, hdr->page_size); 712 printf("%sheader_version: %x\n", p, header_version); 713 /* ver = A << 14 | B << 7 | C (7 bits for each of A, B, C) 714 * lvl = ((Y - 2000) & 127) << 4 | M (7 bits for Y, 4 bits for M) */ 715 printf("%sos_version: %x (ver: %u.%u.%u, level: %u.%u)\n", 716 p, hdr->os_version, 717 (os_ver >> 7) & 0x7F, (os_ver >> 14) & 0x7F, os_ver & 0x7F, 718 (os_lvl >> 4) + 2000, os_lvl & 0x0F); 719 printf("%sname: %s\n", p, hdr->name); 720 printf("%scmdline: %s\n", p, hdr->cmdline); 721 722 if (header_version >= 1) { 723 printf("%srecovery dtbo size: %x\n", p, hdr->recovery_dtbo_size); 724 printf("%srecovery dtbo offset: %llx\n", p, hdr->recovery_dtbo_offset); 725 printf("%sheader size: %x\n", p, hdr->header_size); 726 } 727 728 if (header_version >= 2) { 729 printf("%sdtb size: %x\n", p, hdr->dtb_size); 730 printf("%sdtb addr: %llx\n", p, hdr->dtb_addr); 731 } 732 } 733 #endif 734