/* verify and prepare for booting of a legacy kernel */ int legacy_boot(void *kernel, const char *cmd_line_buf) { const image_header_t *hdr = kernel; bootm_header_t bootm_header; memset(&bootm_header, 0, sizeof(bootm_header)); if (image_get_magic(hdr) != IH_MAGIC) return 1; if (!image_check_hcrc(hdr)) { printf("Bad Header CRC\n"); return 1; } if (!image_check_dcrc(hdr)) { printf("Bad Data CRC\n"); return 1; } bootm_header.os.type = image_get_type(hdr); bootm_header.os.comp = image_get_comp(hdr); bootm_header.os.end = (uint32_t)hdr + image_get_size(hdr) + sizeof(*hdr); bootm_header.os.load = image_get_load(hdr); bootm_header.os.start = (uint32_t) hdr; bootm_header.os.image_start = (uint32_t)(hdr + 1); bootm_header.os.image_len = image_get_size(hdr); bootm_header.ep = image_get_ep(hdr); bootm_header.cmdline = cmd_line_buf; return start_legacy_kernel(&bootm_header); }
static int bootm_load_os(bootm_headers_t *images, int boot_progress) { image_info_t os = images->os; ulong load = os.load; ulong load_end; ulong blob_start = os.start; ulong blob_end = os.end; ulong image_start = os.image_start; ulong image_len = os.image_len; ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN); ulong flush_len; bool no_overlap; void *load_buf, *image_buf; int err; load_buf = map_sysmem(load, 0); image_buf = map_sysmem(os.image_start, image_len); err = bootm_decomp_image(os.comp, load, os.image_start, os.type, load_buf, image_buf, image_len, CONFIG_SYS_BOOTM_LEN, &load_end); if (err) { bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); return err; } flush_len = load_end - load; if (flush_start < load) flush_len += load - flush_start; flush_cache(flush_start, ALIGN(flush_len, ARCH_DMA_MINALIGN)); debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end); bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); no_overlap = (os.comp == IH_COMP_NONE && load == image_start); if (!no_overlap && load < blob_end && load_end > blob_start) { debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end); debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, load_end); /* Check what type of image this is. */ if (images->legacy_hdr_valid) { if (image_get_type(&images->legacy_hdr_os_copy) == IH_TYPE_MULTI) puts("WARNING: legacy format multi component image overwritten\n"); return BOOTM_ERR_OVERLAP; } else { puts("ERROR: new format image overwritten - must RESET the board to recover\n"); bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); return BOOTM_ERR_RESET; } } lmb_reserve(&images->lmb, images->os.load, (load_end - images->os.load)); return 0; }
static void image_print_type(const image_header_t *hdr) { const char *os, *arch, *type, *comp; os = image_get_os_name(image_get_os(hdr)); arch = image_get_arch_name(image_get_arch(hdr)); type = image_get_type_name(image_get_type(hdr)); comp = image_get_comp_name(image_get_comp(hdr)); printf ("%s %s %s (%s)\n", arch, os, type, comp); }
int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { ulong iflag; ulong load_end = 0; int ret; boot_os_fn *boot_fn; #ifdef CONFIG_NEEDS_MANUAL_RELOC static int relocated = 0; if (!relocated) { int i; /* relocate boot function table */ for (i = 0; i < ARRAY_SIZE(boot_os); i++) if (boot_os[i] != NULL) boot_os[i] += gd->reloc_off; /* relocate names of sub-command table */ for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++) cmd_bootm_sub[i].name += gd->reloc_off; relocated = 1; } #endif /* determine if we have a sub command */ if (argc > 1) { char *endp; simple_strtoul(argv[1], &endp, 16); /* endp pointing to NULL means that argv[1] was just a * valid number, pass it along to the normal bootm processing * * If endp is ':' or '#' assume a FIT identifier so pass * along for normal processing. * * Right now we assume the first arg should never be '-' */ if ((*endp != 0) && (*endp != ':') && (*endp != '#')) return do_bootm_subcommand(cmdtp, flag, argc, argv); } if (bootm_start(cmdtp, flag, argc, argv)) return 1; /* * We have reached the point of no return: we are going to * overwrite all exception vector code, so we cannot easily * recover from any failures any more... */ iflag = disable_interrupts(); #ifdef CONFIG_NETCONSOLE /* Stop the ethernet stack if NetConsole could have left it up */ eth_halt(); #endif #if defined(CONFIG_CMD_USB) /* * turn off USB to prevent the host controller from writing to the * SDRAM while Linux is booting. This could happen (at least for OHCI * controller), because the HCCA (Host Controller Communication Area) * lies within the SDRAM and the host controller writes continously to * this area (as busmaster!). The HccaFrameNumber is for example * updated every 1 ms within the HCCA structure in SDRAM! For more * details see the OpenHCI specification. */ usb_stop(); #endif ret = bootm_load_os(images.os, &load_end, 1); if (ret < 0) { if (ret == BOOTM_ERR_RESET) do_reset(cmdtp, flag, argc, argv); if (ret == BOOTM_ERR_OVERLAP) { if (images.legacy_hdr_valid) { image_header_t *hdr; hdr = &images.legacy_hdr_os_copy; if (image_get_type(hdr) == IH_TYPE_MULTI) puts("WARNING: legacy format multi " "component image " "overwritten\n"); } else { puts("ERROR: new format image overwritten - " "must RESET the board to recover\n"); bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); do_reset(cmdtp, flag, argc, argv); } } if (ret == BOOTM_ERR_UNIMPLEMENTED) { if (iflag) enable_interrupts(); bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); return 1; } } lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load)); if (images.os.type == IH_TYPE_STANDALONE) { if (iflag) enable_interrupts(); /* This may return when 'autostart' is 'no' */ bootm_start_standalone(iflag, argc, argv); return 0; } bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS); #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) if (images.os.os == IH_OS_LINUX) fixup_silent_linux(); #endif boot_fn = boot_os[images.os.os]; if (boot_fn == NULL) { if (iflag) enable_interrupts(); printf("ERROR: booting os '%s' (%d) is not supported\n", genimg_get_os_name(images.os.os), images.os.os); bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); return 1; } arch_preboot_os(); boot_fn(0, argc, argv, &images); bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED); #ifdef DEBUG puts("\n## Control returned to monitor - resetting...\n"); #endif do_reset(cmdtp, flag, argc, argv); return 1; }
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { const void *os_hdr; int ret; memset((void *)&images, 0, sizeof(images)); images.verify = getenv_yesno("verify"); boot_start_lmb(&images); bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); /* get kernel image header, start address and length */ os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, &images, &images.os.image_start, &images.os.image_len); if (images.os.image_len == 0) { puts("ERROR: can't get kernel image!\n"); return 1; } /* get image parameters */ switch (genimg_get_format(os_hdr)) { case IMAGE_FORMAT_LEGACY: images.os.type = image_get_type(os_hdr); images.os.comp = image_get_comp(os_hdr); images.os.os = image_get_os(os_hdr); images.os.end = image_get_image_end(os_hdr); images.os.load = image_get_load(os_hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: if (fit_image_get_type(images.fit_hdr_os, images.fit_noffset_os, &images.os.type)) { puts("Can't get image type!\n"); bootstage_error(BOOTSTAGE_ID_FIT_TYPE); return 1; } if (fit_image_get_comp(images.fit_hdr_os, images.fit_noffset_os, &images.os.comp)) { puts("Can't get image compression!\n"); bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); return 1; } if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, &images.os.os)) { puts("Can't get image OS!\n"); bootstage_error(BOOTSTAGE_ID_FIT_OS); return 1; } images.os.end = fit_get_end(images.fit_hdr_os); if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, &images.os.load)) { puts("Can't get image load address!\n"); bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); return 1; } break; #endif default: puts("ERROR: unknown image format type!\n"); return 1; } /* find kernel entry point */ if (images.legacy_hdr_valid) { images.ep = image_get_ep(&images.legacy_hdr_os_copy); #if defined(CONFIG_FIT) } else if (images.fit_uname_os) { ret = fit_image_get_entry(images.fit_hdr_os, images.fit_noffset_os, &images.ep); if (ret) { puts("Can't get entry point property!\n"); return 1; } #endif } else { puts("Could not find kernel entry point!\n"); return 1; } if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { images.os.load = images.os.image_start; images.ep += images.os.load; } if (((images.os.type == IH_TYPE_KERNEL) || (images.os.type == IH_TYPE_KERNEL_NOLOAD) || (images.os.type == IH_TYPE_MULTI)) && (images.os.os == IH_OS_LINUX)) { /* find ramdisk */ ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, &images.rd_start, &images.rd_end); if (ret) { puts("Ramdisk image is corrupt or invalid\n"); return 1; } #if defined(CONFIG_OF_LIBFDT) /* find flattened device tree */ ret = boot_get_fdt(flag, argc, argv, &images, &images.ft_addr, &images.ft_len); if (ret) { puts("Could not find a valid device tree\n"); return 1; } set_working_fdt_addr(images.ft_addr); #endif } images.os.start = (ulong)os_hdr; images.state = BOOTM_STATE_START; return 0; }
/** * boot_get_kernel - find kernel image * @os_data: pointer to a ulong variable, will hold os data start address * @os_len: pointer to a ulong variable, will hold os data length * * boot_get_kernel() tries to find a kernel image, verifies its integrity * and locates kernel data. * * returns: * pointer to image header if valid image was found, plus kernel start * address and length, otherwise NULL */ static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], bootm_headers_t *images, ulong *os_data, ulong *os_len) { image_header_t *hdr; ulong img_addr; const void *buf; #if defined(CONFIG_FIT) const char *fit_uname_config = NULL; const char *fit_uname_kernel = NULL; int os_noffset; #endif /* find out kernel image address */ if (argc < 1) { img_addr = load_addr; debug("* kernel: default image load address = 0x%08lx\n", load_addr); #if defined(CONFIG_FIT) } else if (fit_parse_conf(argv[0], load_addr, &img_addr, &fit_uname_config)) { debug("* kernel: config '%s' from image at 0x%08lx\n", fit_uname_config, img_addr); } else if (fit_parse_subimage(argv[0], load_addr, &img_addr, &fit_uname_kernel)) { debug("* kernel: subimage '%s' from image at 0x%08lx\n", fit_uname_kernel, img_addr); #endif } else { img_addr = simple_strtoul(argv[0], NULL, 16); debug("* kernel: cmdline image address = 0x%08lx\n", img_addr); } bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); /* copy from dataflash if needed */ img_addr = genimg_get_image(img_addr); /* check image type, for FIT images get FIT kernel node */ *os_data = *os_len = 0; buf = map_sysmem(img_addr, 0); switch (genimg_get_format(buf)) { case IMAGE_FORMAT_LEGACY: printf("## Booting kernel from Legacy Image at %08lx ...\n", img_addr); hdr = image_get_kernel(img_addr, images->verify); if (!hdr) return NULL; bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); /* get os_data and os_len */ switch (image_get_type(hdr)) { case IH_TYPE_KERNEL: case IH_TYPE_KERNEL_NOLOAD: *os_data = image_get_data(hdr); *os_len = image_get_data_size(hdr); break; case IH_TYPE_MULTI: image_multi_getimg(hdr, 0, os_data, os_len); break; case IH_TYPE_STANDALONE: *os_data = image_get_data(hdr); *os_len = image_get_data_size(hdr); break; default: printf("Wrong Image Type for %s command\n", cmdtp->name); bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); return NULL; } /* * copy image header to allow for image overwrites during * kernel decompression. */ memmove(&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t)); /* save pointer to image header */ images->legacy_hdr_os = hdr; images->legacy_hdr_valid = 1; bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: os_noffset = fit_image_load(images, FIT_KERNEL_PROP, img_addr, &fit_uname_kernel, &fit_uname_config, IH_ARCH_DEFAULT, IH_TYPE_KERNEL, BOOTSTAGE_ID_FIT_KERNEL_START, FIT_LOAD_IGNORED, os_data, os_len); if (os_noffset < 0) return NULL; images->fit_hdr_os = map_sysmem(img_addr, 0); images->fit_uname_os = fit_uname_kernel; images->fit_uname_cfg = fit_uname_config; images->fit_noffset_os = os_noffset; break; #endif #ifdef CONFIG_ANDROID_BOOT_IMAGE case IMAGE_FORMAT_ANDROID: printf("## Booting Android Image at 0x%08lx ...\n", img_addr); if (android_image_get_kernel((void *)img_addr, images->verify, os_data, os_len)) return NULL; break; #endif default: printf("Wrong Image Format for %s command\n", cmdtp->name); bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); return NULL; } debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", *os_data, *os_len, *os_len); return buf; }
static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, int boot_progress) { image_info_t os = images->os; uint8_t comp = os.comp; ulong load = os.load; ulong blob_start = os.start; ulong blob_end = os.end; ulong image_start = os.image_start; ulong image_len = os.image_len; __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN; int no_overlap = 0; void *load_buf, *image_buf; #if defined(CONFIG_LZMA) || defined(CONFIG_LZO) int ret; #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */ const char *type_name = genimg_get_type_name(os.type); load_buf = map_sysmem(load, unc_len); image_buf = map_sysmem(image_start, image_len); switch (comp) { case IH_COMP_NONE: if (load == image_start) { printf(" XIP %s ... ", type_name); no_overlap = 1; } else { printf(" Loading %s ... ", type_name); memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); } *load_end = load + image_len; break; #ifdef CONFIG_GZIP case IH_COMP_GZIP: printf(" Uncompressing %s ... ", type_name); if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) { puts("GUNZIP: uncompress, out-of-mem or overwrite " "error - must RESET board to recover\n"); if (boot_progress) bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); return BOOTM_ERR_RESET; } *load_end = load + image_len; break; #endif /* CONFIG_GZIP */ #ifdef CONFIG_BZIP2 case IH_COMP_BZIP2: printf(" Uncompressing %s ... ", type_name); /* * If we've got less than 4 MB of malloc() space, * use slower decompression algorithm which requires * at most 2300 KB of memory. */ int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, image_buf, image_len, CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); if (i != BZ_OK) { printf("BUNZIP2: uncompress or overwrite error %d " "- must RESET board to recover\n", i); if (boot_progress) bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); return BOOTM_ERR_RESET; } *load_end = load + unc_len; break; #endif /* CONFIG_BZIP2 */ #ifdef CONFIG_LZMA case IH_COMP_LZMA: { SizeT lzma_len = unc_len; printf(" Uncompressing %s ... ", type_name); ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, image_buf, image_len); unc_len = lzma_len; if (ret != SZ_OK) { printf("LZMA: uncompress or overwrite error %d " "- must RESET board to recover\n", ret); bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); return BOOTM_ERR_RESET; } *load_end = load + unc_len; break; } #endif /* CONFIG_LZMA */ #ifdef CONFIG_LZO case IH_COMP_LZO: { size_t size = unc_len; printf(" Uncompressing %s ... ", type_name); ret = lzop_decompress(image_buf, image_len, load_buf, &size); if (ret != LZO_E_OK) { printf("LZO: uncompress or overwrite error %d " "- must RESET board to recover\n", ret); if (boot_progress) bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); return BOOTM_ERR_RESET; } *load_end = load + size; break; } #endif /* CONFIG_LZO */ default: printf("Unimplemented compression type %d\n", comp); return BOOTM_ERR_UNIMPLEMENTED; } flush_cache(load, (*load_end - load) * sizeof(ulong)); puts("OK\n"); debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end); debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end); /* Check what type of image this is. */ if (images->legacy_hdr_valid) { if (image_get_type(&images->legacy_hdr_os_copy) == IH_TYPE_MULTI) puts("WARNING: legacy format multi component image overwritten\n"); return BOOTM_ERR_OVERLAP; } else { puts("ERROR: new format image overwritten - must RESET the board to recover\n"); bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); return BOOTM_ERR_RESET; } } return 0; }
static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { const void *os_hdr; bool ep_found = false; /* get kernel image header, start address and length */ os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, &images, &images.os.image_start, &images.os.image_len); if (images.os.image_len == 0) { puts("ERROR: can't get kernel image!\n"); return 1; } /* get image parameters */ switch (genimg_get_format(os_hdr)) { case IMAGE_FORMAT_LEGACY: images.os.type = image_get_type(os_hdr); images.os.comp = image_get_comp(os_hdr); images.os.os = image_get_os(os_hdr); images.os.end = image_get_image_end(os_hdr); images.os.load = image_get_load(os_hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: if (fit_image_get_type(images.fit_hdr_os, images.fit_noffset_os, &images.os.type)) { puts("Can't get image type!\n"); bootstage_error(BOOTSTAGE_ID_FIT_TYPE); return 1; } if (fit_image_get_comp(images.fit_hdr_os, images.fit_noffset_os, &images.os.comp)) { puts("Can't get image compression!\n"); bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); return 1; } if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, &images.os.os)) { puts("Can't get image OS!\n"); bootstage_error(BOOTSTAGE_ID_FIT_OS); return 1; } images.os.end = fit_get_end(images.fit_hdr_os); if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, &images.os.load)) { puts("Can't get image load address!\n"); bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); return 1; } break; #endif #ifdef CONFIG_ANDROID_BOOT_IMAGE case IMAGE_FORMAT_ANDROID: images.os.type = IH_TYPE_KERNEL; images.os.comp = IH_COMP_NONE; images.os.os = IH_OS_LINUX; images.ep = images.os.load; ep_found = true; images.os.end = android_image_get_end(os_hdr); images.os.load = android_image_get_kload(os_hdr); break; #endif default: puts("ERROR: unknown image format type!\n"); return 1; } /* find kernel entry point */ if (images.legacy_hdr_valid) { images.ep = image_get_ep(&images.legacy_hdr_os_copy); #if defined(CONFIG_FIT) } else if (images.fit_uname_os) { int ret; ret = fit_image_get_entry(images.fit_hdr_os, images.fit_noffset_os, &images.ep); if (ret) { puts("Can't get entry point property!\n"); return 1; } #endif } else if (!ep_found) { puts("Could not find kernel entry point!\n"); return 1; } if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { images.os.load = images.os.image_start; images.ep += images.os.load; } images.os.start = (ulong)os_hdr; return 0; }
int au_check_header_valid(int idx, long nbytes) { image_header_t *hdr; unsigned long checksum, fsize; hdr = (image_header_t *)LOAD_ADDR; #if defined(CONFIG_FIT) if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) { puts ("Non legacy image format not supported\n"); return -1; } #endif /* check the easy ones first */ #undef CHECK_VALID_DEBUG #ifdef CHECK_VALID_DEBUG printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC); printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM); printf("size %#x %#lx ", image_get_data_size (hdr), nbytes); printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL); #endif if (nbytes < image_get_header_size ()) { printf ("Image %s bad header SIZE\n", aufile[idx]); ausize[idx] = 0; return -1; } if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_PPC)) { printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]); ausize[idx] = 0; return -1; } /* check the hdr CRC */ if (!image_check_hcrc (hdr)) { printf ("Image %s bad header checksum\n", aufile[idx]); ausize[idx] = 0; return -1; } /* check the type - could do this all in one gigantic if() */ if ((idx == IDX_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) { printf ("Image %s wrong type\n", aufile[idx]); ausize[idx] = 0; return -1; } if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) { printf ("Image %s wrong type\n", aufile[idx]); ausize[idx] = 0; return -1; } if ((idx == IDX_ROOTFS) && (!image_check_type (hdr, IH_TYPE_RAMDISK) && !image_check_type (hdr, IH_TYPE_FILESYSTEM))) { printf ("Image %s wrong type\n", aufile[idx]); ausize[idx] = 0; return -1; } /* recycle checksum */ checksum = image_get_data_size (hdr); fsize = checksum + image_get_header_size (); /* for kernel and ramdisk the image header must also fit into flash */ if (idx == IDX_KERNEL || image_check_type (hdr, IH_TYPE_RAMDISK)) checksum += image_get_header_size (); /* check the size does not exceed space in flash. HUSH scripts */ if ((ausize[idx] != 0) && (ausize[idx] < checksum)) { printf ("Image %s is bigger than FLASH\n", aufile[idx]); ausize[idx] = 0; return -1; } /* Update with the real filesize */ ausize[idx] = fsize; return checksum; /* return size to be written to flash */ }
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { ulong iflag; ulong load_end = 0; int ret; boot_os_fn *boot_fn; /* relocate boot function table */ if (!relocated) { int i; for (i = 0; i < ARRAY_SIZE(boot_os); i++) if (boot_os[i] != NULL) boot_os[i] += gd->reloc_off; relocated = 1; } /* determine if we have a sub command */ if (argc > 1) { char *endp; simple_strtoul(argv[1], &endp, 16); /* endp pointing to NULL means that argv[1] was just a * valid number, pass it along to the normal bootm processing * * If endp is ':' or '#' assume a FIT identifier so pass * along for normal processing. * * Right now we assume the first arg should never be '-' */ if ((*endp != 0) && (*endp != ':') && (*endp != '#')) return do_bootm_subcommand(cmdtp, flag, argc, argv); } if (bootm_start(cmdtp, flag, argc, argv)) return 1; /* * We have reached the point of no return: we are going to * overwrite all exception vector code, so we cannot easily * recover from any failures any more... */ iflag = disable_interrupts(); #if defined(CONFIG_CMD_USB) /* * turn off USB to prevent the host controller from writing to the * SDRAM while Linux is booting. This could happen (at least for OHCI * controller), because the HCCA (Host Controller Communication Area) * lies within the SDRAM and the host controller writes continously to * this area (as busmaster!). The HccaFrameNumber is for example * updated every 1 ms within the HCCA structure in SDRAM! For more * details see the OpenHCI specification. */ usb_stop(); #endif #ifdef CONFIG_AMIGAONEG3SE /* * We've possible left the caches enabled during * bios emulation, so turn them off again */ icache_disable(); dcache_disable(); #endif ret = bootm_load_os(images.os, &load_end, 1); if (ret < 0) { if (ret == BOOTM_ERR_RESET) do_reset (cmdtp, flag, argc, argv); if (ret == BOOTM_ERR_OVERLAP) { if (images.legacy_hdr_valid) { if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI) puts ("WARNING: legacy format multi component " "image overwritten\n"); } else { puts ("ERROR: new format image overwritten - " "must RESET the board to recover\n"); show_boot_progress (-113); do_reset (cmdtp, flag, argc, argv); } } if (ret == BOOTM_ERR_UNIMPLEMENTED) { if (iflag) enable_interrupts(); show_boot_progress (-7); return 1; } } lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load)); if (images.os.type == IH_TYPE_STANDALONE) { if (iflag) enable_interrupts(); /* This may return when 'autostart' is 'no' */ bootm_start_standalone(iflag, argc, argv); return 0; } show_boot_progress (8); #ifdef CONFIG_SILENT_CONSOLE if (images.os.os == IH_OS_LINUX) fixup_silent_linux(); #endif boot_fn = boot_os[images.os.os]; if (boot_fn == NULL) { if (iflag) enable_interrupts(); printf ("ERROR: booting os '%s' (%d) is not supported\n", genimg_get_os_name(images.os.os), images.os.os); show_boot_progress (-8); return 1; } boot_fn(0, argc, argv, &images); show_boot_progress (-9); #ifdef DEBUG puts ("\n## Control returned to monitor - resetting...\n"); #endif do_reset (cmdtp, flag, argc, argv); return 1; }
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { image_header_t *hdr; ulong addr; ulong iflag; const char *type_name; uint unc_len = CONFIG_SYS_BOOTM_LEN; uint8_t comp, type, os; void *os_hdr; ulong os_data, os_len; ulong image_start, image_end; ulong load_start, load_end; ulong mem_start; phys_size_t mem_size; struct lmb lmb; #if defined(CONFIG_SECURE_BOOT) int rv; #endif #if defined(CONFIG_SECURE_BOOT) rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR, (unsigned char*)CONFIG_SECURE_KERNEL_BASE, CONFIG_SECURE_KERNEL_SIZE-128, (unsigned char*)(CONFIG_SECURE_KERNEL_BASE+CONFIG_SECURE_KERNEL_SIZE-128), 128 ); if(rv != SB_OK) { printf("Kernel Integrity check fail\nSystem Halt...."); while(1); } printf("Kernel Integirty check success.\n"); rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR, (unsigned char*)CONFIG_SECURE_ROOTFS_BASE, CONFIG_SECURE_ROOTFS_SIZE-128, (unsigned char*)(CONFIG_SECURE_ROOTFS_BASE+CONFIG_SECURE_ROOTFS_SIZE-128), 128 ); if(rv != SB_OK) { printf("rootfs Integrity check fail\nSystem Halt...."); while(1); } printf("rootfs Integirty check success.\n"); #endif memset ((void *)&images, 0, sizeof (images)); images.verify = getenv_yesno ("verify"); // images.lmb = &lmb; memcpy (&images.lmb, &lmb, sizeof(struct lmb)); lmb_init(&lmb); mem_start = getenv_bootm_low(); mem_size = getenv_bootm_size(); lmb_add(&lmb, (phys_addr_t)mem_start, mem_size); board_lmb_reserve(&lmb); #ifdef CONFIG_ZIMAGE_BOOT #define LINUX_ZIMAGE_MAGIC 0x016f2818 /* find out kernel image address */ if (argc < 2) { addr = load_addr; debug ("* kernel: default image load address = 0x%08lx\n", load_addr); } else { addr = simple_strtoul(argv[1], NULL, 16); //debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr); } if (*(ulong *)(addr + 9*4) == LINUX_ZIMAGE_MAGIC) { printf("Boot with zImage\n"); addr = virt_to_phys(addr); hdr = (image_header_t *)addr; hdr->ih_os = IH_OS_LINUX; hdr->ih_ep = ntohl(addr); memmove (&images.legacy_hdr_os_copy, hdr, sizeof(image_header_t)); /* save pointer to image header */ images.legacy_hdr_os = hdr; images.legacy_hdr_valid = 1; goto after_header_check; } #endif /* get kernel image header, start address and length */ os_hdr = boot_get_kernel (cmdtp, flag, argc, argv, &images, &os_data, &os_len); if (os_len == 0) { puts ("ERROR: can't get kernel image!\n"); return 1; } /* get image parameters */ switch (genimg_get_format (os_hdr)) { case IMAGE_FORMAT_LEGACY: type = image_get_type (os_hdr); comp = image_get_comp (os_hdr); os = image_get_os (os_hdr); image_end = image_get_image_end (os_hdr); load_start = image_get_load (os_hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: if (fit_image_get_type (images.fit_hdr_os, images.fit_noffset_os, &type)) { puts ("Can't get image type!\n"); show_boot_progress (-109); return 1; } if (fit_image_get_comp (images.fit_hdr_os, images.fit_noffset_os, &comp)) { puts ("Can't get image compression!\n"); show_boot_progress (-110); return 1; } if (fit_image_get_os (images.fit_hdr_os, images.fit_noffset_os, &os)) { puts ("Can't get image OS!\n"); show_boot_progress (-111); return 1; } image_end = fit_get_end (images.fit_hdr_os); if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os, &load_start)) { puts ("Can't get image load address!\n"); show_boot_progress (-112); return 1; } break; #endif default: puts ("ERROR: unknown image format type!\n"); return 1; } image_start = (ulong)os_hdr; load_end = 0; type_name = genimg_get_type_name (type); /* * We have reached the point of no return: we are going to * overwrite all exception vector code, so we cannot easily * recover from any failures any more... */ iflag = disable_interrupts(); #if defined(CONFIG_CMD_USB) /* * turn off USB to prevent the host controller from writing to the * SDRAM while Linux is booting. This could happen (at least for OHCI * controller), because the HCCA (Host Controller Communication Area) * lies within the SDRAM and the host controller writes continously to * this area (as busmaster!). The HccaFrameNumber is for example * updated every 1 ms within the HCCA structure in SDRAM! For more * details see the OpenHCI specification. */ usb_stop(); #endif #ifdef CONFIG_AMIGAONEG3SE /* * We've possible left the caches enabled during * bios emulation, so turn them off again */ icache_disable(); invalidate_l1_instruction_cache(); flush_data_cache(); dcache_disable(); #endif switch (comp) { case IH_COMP_NONE: if (load_start == (ulong)os_hdr) { printf (" XIP %s ... ", type_name); } else { printf (" Loading %s ... ", type_name); memmove_wd ((void *)load_start, (void *)os_data, os_len, CHUNKSZ); } load_end = load_start + os_len; puts("OK\n"); break; case IH_COMP_GZIP: printf (" Uncompressing %s ... ", type_name); if (gunzip ((void *)load_start, unc_len, (uchar *)os_data, &os_len) != 0) { puts ("GUNZIP: uncompress or overwrite error " "- must RESET board to recover\n"); show_boot_progress (-6); do_reset (cmdtp, flag, argc, argv); } load_end = load_start + os_len; break; #ifdef CONFIG_BZIP2 case IH_COMP_BZIP2: printf (" Uncompressing %s ... ", type_name); /* * If we've got less than 4 MB of malloc() space, * use slower decompression algorithm which requires * at most 2300 KB of memory. */ int i = BZ2_bzBuffToBuffDecompress ((char*)load_start, &unc_len, (char *)os_data, os_len, CFG_MALLOC_LEN < (4096 * 1024), 0); if (i != BZ_OK) { printf ("BUNZIP2: uncompress or overwrite error %d " "- must RESET board to recover\n", i); show_boot_progress (-6); do_reset (cmdtp, flag, argc, argv); } load_end = load_start + unc_len; break; #endif /* CONFIG_BZIP2 */ default: if (iflag) enable_interrupts(); printf ("Unimplemented compression type %d\n", comp); show_boot_progress (-7); return 1; } puts ("OK\n"); debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end); show_boot_progress (7); if ((load_start < image_end) && (load_end > image_start)) { debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end); debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end); if (images.legacy_hdr_valid) { if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI) puts ("WARNING: legacy format multi component " "image overwritten\n"); } else { puts ("ERROR: new format image overwritten - " "must RESET the board to recover\n"); show_boot_progress (-113); do_reset (cmdtp, flag, argc, argv); } } show_boot_progress (8); lmb_reserve(&lmb, load_start, (load_end - load_start)); #if defined(CONFIG_ZIMAGE_BOOT) after_header_check: os = hdr->ih_os; #endif switch (os) { default: /* handled by (original) Linux case */ case IH_OS_LINUX: #ifdef CONFIG_SILENT_CONSOLE fixup_silent_linux(); #endif do_bootm_linux (flag, argc, argv, &images); break; #ifdef CONFIG_BOOTM_NETBSD case IH_OS_NETBSD: do_bootm_netbsd (flag, argc, argv, &images); break; #endif #ifdef CONFIG_LYNXKDI case IH_OS_LYNXOS: do_bootm_lynxkdi (flag, argc, argv, &images); break; #endif #ifdef CONFIG_BOOTM_RTEMS case IH_OS_RTEMS: do_bootm_rtems (flag, argc, argv, &images); break; #endif /* #if defined(CONFIG_CMD_ELF) case IH_OS_VXWORKS: do_bootm_vxworks (cmdtp, flag, argc, argv, &images); break; case IH_OS_QNX: do_bootm_qnxelf (cmdtp, flag, argc, argv, &images); break; #endif */ #ifdef CONFIG_ARTOS case IH_OS_ARTOS: do_bootm_artos (cmdtp, flag, argc, argv, &images); break; #endif } show_boot_progress (-9); #ifdef DEBUG puts ("\n## Control returned to monitor - resetting...\n"); do_reset (cmdtp, flag, argc, argv); #endif if (iflag) enable_interrupts(); return 1; }
static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { const void *os_hdr; bool ep_found = false; int ret; /* get kernel image header, start address and length */ os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, &images, &images.os.image_start, &images.os.image_len); if (images.os.image_len == 0) { puts("ERROR: can't get kernel image!\n"); return 1; } /* get image parameters */ switch (genimg_get_format(os_hdr)) { #if defined(CONFIG_IMAGE_FORMAT_LEGACY) case IMAGE_FORMAT_LEGACY: images.os.type = image_get_type(os_hdr); images.os.comp = image_get_comp(os_hdr); images.os.os = image_get_os(os_hdr); images.os.end = image_get_image_end(os_hdr); images.os.load = image_get_load(os_hdr); images.os.arch = image_get_arch(os_hdr); break; #endif #if IMAGE_ENABLE_FIT case IMAGE_FORMAT_FIT: if (fit_image_get_type(images.fit_hdr_os, images.fit_noffset_os, &images.os.type)) { puts("Can't get image type!\n"); bootstage_error(BOOTSTAGE_ID_FIT_TYPE); return 1; } if (fit_image_get_comp(images.fit_hdr_os, images.fit_noffset_os, &images.os.comp)) { puts("Can't get image compression!\n"); bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); return 1; } if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, &images.os.os)) { puts("Can't get image OS!\n"); bootstage_error(BOOTSTAGE_ID_FIT_OS); return 1; } if (fit_image_get_arch(images.fit_hdr_os, images.fit_noffset_os, &images.os.arch)) { puts("Can't get image ARCH!\n"); return 1; } images.os.end = fit_get_end(images.fit_hdr_os); if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, &images.os.load)) { puts("Can't get image load address!\n"); bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); return 1; } break; #endif #ifdef CONFIG_ANDROID_BOOT_IMAGE case IMAGE_FORMAT_ANDROID: images.os.type = IH_TYPE_KERNEL; images.os.comp = IH_COMP_NONE; images.os.os = IH_OS_LINUX; images.os.end = android_image_get_end(os_hdr); images.os.load = android_image_get_kload(os_hdr); images.ep = images.os.load; ep_found = true; break; #endif default: puts("ERROR: unknown image format type!\n"); return 1; } /* If we have a valid setup.bin, we will use that for entry (x86) */ if (images.os.arch == IH_ARCH_I386 || images.os.arch == IH_ARCH_X86_64) { ulong len; ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len); if (ret < 0 && ret != -ENOENT) { puts("Could not find a valid setup.bin for x86\n"); return 1; } /* Kernel entry point is the setup.bin */ } else if (images.legacy_hdr_valid) { images.ep = image_get_ep(&images.legacy_hdr_os_copy); #if IMAGE_ENABLE_FIT } else if (images.fit_uname_os) { int ret; ret = fit_image_get_entry(images.fit_hdr_os, images.fit_noffset_os, &images.ep); if (ret) { puts("Can't get entry point property!\n"); return 1; } #endif } else if (!ep_found) { puts("Could not find kernel entry point!\n"); return 1; } if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { if (CONFIG_IS_ENABLED(CMD_BOOTI) && images.os.arch == IH_ARCH_ARM64) { ulong image_addr; ulong image_size; ret = booti_setup(images.os.image_start, &image_addr, &image_size, true); if (ret != 0) return 1; images.os.type = IH_TYPE_KERNEL; images.os.load = image_addr; images.ep = image_addr; } else { images.os.load = images.os.image_start; images.ep += images.os.image_start; } } images.os.start = map_to_sysmem(os_hdr); return 0; }
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { ulong iflag; ulong load_end = 0; int ret; boot_os_fn *boot_fn; #ifdef CONFIG_SECURE_BOOT #ifndef CONFIG_SECURE_BL1_ONLY security_check(); #endif #endif char cmdbuffer[64]; sprintf(cmdbuffer,"sdfuse autocheck"); run_command(cmdbuffer, 0); exynos4412_screen_backlight(0); #ifdef CONFIG_ZIMAGE_BOOT #define LINUX_ZIMAGE_MAGIC 0x016f2818 image_header_t *hdr; ulong addr; /* find out kernel image address */ if (argc < 2) { addr = load_addr; debug ("* kernel: default image load address = 0x%08lx\n", load_addr); } else { addr = simple_strtoul(argv[1], NULL, 16); } if (*(ulong *)(addr + 9*4) == LINUX_ZIMAGE_MAGIC) { u32 val; printf("Boot with zImage\n"); //addr = virt_to_phys(addr); hdr = (image_header_t *)addr; hdr->ih_os = IH_OS_LINUX; hdr->ih_ep = ntohl(addr); memmove (&images.legacy_hdr_os_copy, hdr, sizeof(image_header_t)); /* save pointer to image header */ images.legacy_hdr_os = hdr; images.legacy_hdr_valid = 1; goto after_header_check; } #endif #ifdef CONFIG_NEEDS_MANUAL_RELOC static int relocated = 0; /* relocate boot function table */ if (!relocated) { int i; for (i = 0; i < ARRAY_SIZE(boot_os); i++) if (boot_os[i] != NULL) boot_os[i] += gd->reloc_off; relocated = 1; } #endif /* determine if we have a sub command */ if (argc > 1) { char *endp; simple_strtoul(argv[1], &endp, 16); /* endp pointing to NULL means that argv[1] was just a * valid number, pass it along to the normal bootm processing * * If endp is ':' or '#' assume a FIT identifier so pass * along for normal processing. * * Right now we assume the first arg should never be '-' */ if ((*endp != 0) && (*endp != ':') && (*endp != '#')) return do_bootm_subcommand(cmdtp, flag, argc, argv); } if (bootm_start(cmdtp, flag, argc, argv)) return 1; /* * We have reached the point of no return: we are going to * overwrite all exception vector code, so we cannot easily * recover from any failures any more... */ iflag = disable_interrupts(); #if defined(CONFIG_CMD_USB) /* * turn off USB to prevent the host controller from writing to the * SDRAM while Linux is booting. This could happen (at least for OHCI * controller), because the HCCA (Host Controller Communication Area) * lies within the SDRAM and the host controller writes continously to * this area (as busmaster!). The HccaFrameNumber is for example * updated every 1 ms within the HCCA structure in SDRAM! For more * details see the OpenHCI specification. */ usb_stop(); #endif ret = bootm_load_os(images.os, &load_end, 1); if (ret < 0) { if (ret == BOOTM_ERR_RESET) do_reset (cmdtp, flag, argc, argv); if (ret == BOOTM_ERR_OVERLAP) { if (images.legacy_hdr_valid) { if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI) puts ("WARNING: legacy format multi component " "image overwritten\n"); } else { puts ("ERROR: new format image overwritten - " "must RESET the board to recover\n"); show_boot_progress (-113); do_reset (cmdtp, flag, argc, argv); } } if (ret == BOOTM_ERR_UNIMPLEMENTED) { if (iflag) enable_interrupts(); show_boot_progress (-7); return 1; } } lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load)); if (images.os.type == IH_TYPE_STANDALONE) { if (iflag) enable_interrupts(); /* This may return when 'autostart' is 'no' */ bootm_start_standalone(iflag, argc, argv); return 0; } show_boot_progress (8); #if defined(CONFIG_ZIMAGE_BOOT) after_header_check: images.os.os = hdr->ih_os; images.ep = image_get_ep (&images.legacy_hdr_os_copy); #endif #ifdef CONFIG_SILENT_CONSOLE if (images.os.os == IH_OS_LINUX) fixup_silent_linux(); #endif boot_fn = boot_os[images.os.os]; if (boot_fn == NULL) { if (iflag) enable_interrupts(); printf ("ERROR: booting os '%s' (%d) is not supported\n", genimg_get_os_name(images.os.os), images.os.os); show_boot_progress (-8); return 1; } arch_preboot_os(); boot_fn(0, argc, argv, &images); show_boot_progress (-9); #ifdef DEBUG puts ("\n## Control returned to monitor - resetting...\n"); #endif do_reset (cmdtp, flag, argc, argv); return 1; }
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { ulong iflag; ulong load_end = 0; int ret = 0; boot_os_fn *boot_fn; AML_LOG_INIT("cmd_bootm"); AML_LOG_TE("cmd_bootm"); #ifdef TEST_UBOOT_BOOT_SPEND_TIME bootm_start_time = get_utimer(0); #endif #ifdef CONFIG_NEEDS_MANUAL_RELOC static int relocated = 0; /* relocate boot function table */ if (!relocated) { int i; for (i = 0; i < ARRAY_SIZE(boot_os); i++) if (boot_os[i] != NULL) boot_os[i] += gd->reloc_off; relocated = 1; } #endif AML_LOG_TE("cmd_bootm"); #ifdef CONFIG_RESET_TO_SYSTEM struct aml_pmu_driver *pmu_driver = NULL; pmu_driver = aml_pmu_get_driver(); if (pmu_driver && pmu_driver->pmu_reset_flag_operation) { pmu_driver->pmu_reset_flag_operation(RESET_FLAG_SET); } #endif AML_LOG_TE("cmd_bootm"); #ifdef CONFIG_M6_SECU_BOOT #ifdef CONFIG_MESON_TRUSTZONE extern int meson_trustzone_boot_check(unsigned char *addr); ret = meson_trustzone_boot_check((unsigned char*)load_addr); #else extern int aml_decrypt_kernel_image(void* kernel_image_address); ret = aml_decrypt_kernel_image((void*)load_addr); #endif if(ret != 0) { printf("Error! Illegal kernel image, please check!\n"); return ret; } #endif //CONFIG_M6_SECU_BOOT AML_LOG_TE("cmd_bootm"); #ifdef CONFIG_AML_SECU_BOOT_V2 #ifdef CONFIG_MESON_TRUSTZONE extern int meson_trustzone_boot_check(unsigned char *addr); if(!g_nIMGReadFlag) ret = meson_trustzone_boot_check(aml_get_kernel_crypto_addr(argc < 2 ? NULL : argv[1])); #else extern int aml_sec_boot_check(unsigned char *pSRC); if(!g_nIMGReadFlag) ret = aml_sec_boot_check(aml_get_kernel_crypto_addr(argc < 2 ? NULL : argv[1])); #endif if(0 != ret) return ret; #endif //CONFIG_AML_SECU_BOOT_V2 AML_LOG_TE("cmd_bootm"); #ifdef CONFIG_AML_GATE_INIT extern void gate_init(void); gate_init(); #endif /* determine if we have a sub command */ if (argc > 1) { char *endp; simple_strtoul(argv[1], &endp, 16); /* endp pointing to NULL means that argv[1] was just a * valid number, pass it along to the normal bootm processing * * If endp is ':' or '#' assume a FIT identifier so pass * along for normal processing. * * Right now we assume the first arg should never be '-' */ if ((*endp != 0) && (*endp != ':') && (*endp != '#')) return do_bootm_subcommand(cmdtp, flag, argc, argv); } AML_LOG_TE("cmd_bootm"); if (bootm_start(cmdtp, flag, argc, argv)) return 1; AML_LOG_TE("cmd_bootm"); /* * We have reached the point of no return: we are going to * overwrite all exception vector code, so we cannot easily * recover from any failures any more... */ iflag = disable_interrupts(); #if defined(CONFIG_CMD_USB) /* * turn off USB to prevent the host controller from writing to the * SDRAM while Linux is booting. This could happen (at least for OHCI * controller), because the HCCA (Host Controller Communication Area) * lies within the SDRAM and the host controller writes continously to * this area (as busmaster!). The HccaFrameNumber is for example * updated every 1 ms within the HCCA structure in SDRAM! For more * details see the OpenHCI specification. */ usb_stop(); #endif AML_LOG_TE("cmd_bootm"); ret = bootm_load_os(images.os, &load_end, 1); AML_LOG_TE("cmd_bootm"); if (ret < 0) { if (ret == BOOTM_ERR_RESET) do_reset (cmdtp, flag, argc, argv); if (ret == BOOTM_ERR_OVERLAP) { if (images.legacy_hdr_valid) { if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI) puts ("WARNING: legacy format multi component " "image overwritten\n"); } else { puts ("ERROR: new format image overwritten - " "must RESET the board to recover\n"); show_boot_progress (-113); do_reset (cmdtp, flag, argc, argv); } } if (ret == BOOTM_ERR_UNIMPLEMENTED) { if (iflag) enable_interrupts(); show_boot_progress (-7); return 1; } } AML_LOG_TE("cmd_bootm"); lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load)); AML_LOG_TE("cmd_bootm"); if (images.os.type == IH_TYPE_STANDALONE) { if (iflag) enable_interrupts(); /* This may return when 'autostart' is 'no' */ bootm_start_standalone(iflag, argc, argv); return 0; } show_boot_progress (8); #if defined(CONFIG_SILENT_CONSOLE) && \ (defined(CONFIG_SILENT_CONSOLE_LINUX_QUIET) || defined(CONFIG_DEPRECATED_SILENT_LINUX_CONSOLE)) if (images.os.os == IH_OS_LINUX) fixup_silent_linux(); #endif AML_LOG_TE("cmd_bootm"); #ifdef CONFIG_AUTO_SET_BOOTARGS_MEM mem_size_arg_process(); #endif boot_fn = boot_os[images.os.os]; if (boot_fn == NULL) { if (iflag) enable_interrupts(); printf ("ERROR: booting os '%s' (%d) is not supported\n", genimg_get_os_name(images.os.os), images.os.os); show_boot_progress (-8); return 1; } AML_LOG_TE("cmd_bootm"); arch_preboot_os(); #ifdef TEST_UBOOT_BOOT_SPEND_TIME { int boot_kernel_start; boot_kernel_start = get_utimer(0); printf("bootm start to prepare boot kernel time:%dus\n",boot_kernel_start-bootm_start_time); printf("from main_loop start to kernel decompress finished time:%dus\n",boot_kernel_start-main_loop_start); } #endif ulong temp_img_addr; AML_LOG_TE("cmd_bootm"); /* use fprintf to always show this print even if console is silenced with GD_FLG_SILENT */ fprintf(stderr, "uboot time: %d us.\n", get_utimer(0)); boot_fn(0, argc, argv, &images); show_boot_progress (-9); #ifdef DEBUG puts ("\n## Control returned to monitor - resetting...\n"); #endif do_reset (cmdtp, flag, argc, argv); return 1; }
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { void *os_hdr; int ret; #if defined(CONFIG_ANDROID_IMG) void *temp_os_hdr = NULL; boot_img_hdr *temp_android_hdr = NULL; #endif memset ((void *)&images, 0, sizeof (images)); images.verify = getenv_yesno ("verify"); bootm_start_lmb(); /* get kernel image header, start address and length */ os_hdr = boot_get_kernel (cmdtp, flag, argc, argv, &images, &images.os.image_start, &images.os.image_len); if (images.os.image_len == 0) { puts ("ERROR: can't get kernel image!\n"); return 1; } /* get image parameters */ switch (genimg_get_format (os_hdr)) { case IMAGE_FORMAT_LEGACY: images.os.type = image_get_type (os_hdr); images.os.comp = image_get_comp (os_hdr); images.os.os = image_get_os (os_hdr); images.os.end = image_get_image_end (os_hdr); images.os.load = image_get_load (os_hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: if (fit_image_get_type (images.fit_hdr_os, images.fit_noffset_os, &images.os.type)) { puts ("Can't get image type!\n"); show_boot_progress (-109); return 1; } if (fit_image_get_comp (images.fit_hdr_os, images.fit_noffset_os, &images.os.comp)) { puts ("Can't get image compression!\n"); show_boot_progress (-110); return 1; } if (fit_image_get_os (images.fit_hdr_os, images.fit_noffset_os, &images.os.os)) { puts ("Can't get image OS!\n"); show_boot_progress (-111); return 1; } images.os.end = fit_get_end (images.fit_hdr_os); if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os, &images.os.load)) { puts ("Can't get image load address!\n"); show_boot_progress (-112); return 1; } break; #endif #if defined(CONFIG_ANDROID_IMG) case IMAGE_FORMAT_ANDROID: temp_os_hdr = os_hdr + 0x800;//shift 0x800 Android format head temp_android_hdr = (void *) os_hdr; images.os.type = image_get_type (temp_os_hdr); images.os.comp = image_get_comp (temp_os_hdr); images.os.os = image_get_os (temp_os_hdr); images.os.end = image_get_image_end (temp_os_hdr); images.os.load = image_get_load (temp_os_hdr); images.rd_start = ((ulong)temp_android_hdr->kernel_size + 0x800 + (ulong)os_hdr + ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1)); images.rd_end = images.rd_start + (ulong)temp_android_hdr->ramdisk_size; printf(" Ramdisk start addr = 0x%x, len = 0x%x\n",images.rd_start,temp_android_hdr->ramdisk_size ); #if defined(CONFIG_OF_LIBFDT) if(images.ft_len = (ulong)temp_android_hdr->second_size) { fdt_addr = (images.rd_end + ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1)); /*get_multi_dt_entry, compatible with single dt*/ fdt_addr = get_multi_dt_entry(fdt_addr); images.ft_addr = (char *)fdt_addr; images.ft_len = fdt_totalsize(fdt_addr); printf(" Flat device tree start addr = 0x%x, len = 0x%x magic=0x%x\n", (int *)images.ft_addr,images.ft_len,*(unsigned int*)images.ft_addr); } #endif break; #endif default: puts ("ERROR: unknown image format type!\n"); return 1; } /* find kernel entry point */ if (images.legacy_hdr_valid) { images.ep = image_get_ep (&images.legacy_hdr_os_copy); #if defined(CONFIG_FIT) } else if (images.fit_uname_os) { ret = fit_image_get_entry (images.fit_hdr_os, images.fit_noffset_os, &images.ep); if (ret) { puts ("Can't get entry point property!\n"); return 1; } #endif } else { puts ("Could not find kernel entry point!\n"); return 1; } if (((images.os.type == IH_TYPE_KERNEL) || (images.os.type == IH_TYPE_MULTI)) && (images.os.os == IH_OS_LINUX)) { /* find ramdisk */ #ifndef CONFIG_ANDROID_IMG #if defined(CONFIG_AML_MESON_FIT) //call boot_get_ramdisk() here for get ramdisk start addr boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH, &images.rd_start, &images.rd_end); #endif #endif #if defined(CONFIG_ANDROID_IMG) if(!images.rd_start) #endif { ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH, &images.rd_start, &images.rd_end); if (ret) { puts ("Ramdisk image is corrupt or invalid\n"); return 1; } } #if defined(CONFIG_OF_LIBFDT) /* find flattened device tree */ #if defined(CONFIG_ANDROID_IMG) if(!images.ft_addr) #endif { ret = boot_get_fdt (flag, argc, argv, &images, &images.ft_addr, &images.ft_len); if (ret) { puts ("Could not find a valid device tree\n"); return 1; } } set_working_fdt_addr(images.ft_addr); #endif } #if defined(CONFIG_ANDROID_IMG) images.os.start = (ulong)temp_os_hdr; #else images.os.start = (ulong)os_hdr; #endif images.state = BOOTM_STATE_START; return 0; }
/** * boot_get_kernel - find kernel image * @os_data: pointer to a ulong variable, will hold os data start address * @os_len: pointer to a ulong variable, will hold os data length * * boot_get_kernel() tries to find a kernel image, verifies its integrity * and locates kernel data. * * returns: * pointer to image header if valid image was found, plus kernel start * address and length, otherwise NULL */ static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], bootm_headers_t *images, ulong *os_data, ulong *os_len) { image_header_t *hdr; ulong img_addr; const void *buf; #if defined(CONFIG_FIT) const void *fit_hdr; const char *fit_uname_config = NULL; const char *fit_uname_kernel = NULL; const void *data; size_t len; int cfg_noffset; int os_noffset; #endif /* find out kernel image address */ if (argc < 2) { img_addr = load_addr; debug("* kernel: default image load address = 0x%08lx\n", load_addr); #if defined(CONFIG_FIT) } else if (fit_parse_conf(argv[1], load_addr, &img_addr, &fit_uname_config)) { debug("* kernel: config '%s' from image at 0x%08lx\n", fit_uname_config, img_addr); } else if (fit_parse_subimage(argv[1], load_addr, &img_addr, &fit_uname_kernel)) { debug("* kernel: subimage '%s' from image at 0x%08lx\n", fit_uname_kernel, img_addr); #endif } else { img_addr = simple_strtoul(argv[1], NULL, 16); debug("* kernel: cmdline image address = 0x%08lx\n", img_addr); } bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); /* copy from dataflash if needed */ img_addr = genimg_get_image(img_addr); /* check image type, for FIT images get FIT kernel node */ *os_data = *os_len = 0; buf = map_sysmem(img_addr, 0); switch (genimg_get_format(buf)) { case IMAGE_FORMAT_LEGACY: printf("## Booting kernel from Legacy Image at %08lx ...\n", img_addr); hdr = image_get_kernel(img_addr, images->verify); if (!hdr) return NULL; bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); /* get os_data and os_len */ switch (image_get_type(hdr)) { case IH_TYPE_KERNEL: case IH_TYPE_KERNEL_NOLOAD: *os_data = image_get_data(hdr); *os_len = image_get_data_size(hdr); break; case IH_TYPE_MULTI: image_multi_getimg(hdr, 0, os_data, os_len); break; case IH_TYPE_STANDALONE: *os_data = image_get_data(hdr); *os_len = image_get_data_size(hdr); break; default: printf("Wrong Image Type for %s command\n", cmdtp->name); bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); return NULL; } /* * copy image header to allow for image overwrites during * kernel decompression. */ memmove(&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t)); /* save pointer to image header */ images->legacy_hdr_os = hdr; images->legacy_hdr_valid = 1; bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: fit_hdr = buf; printf("## Booting kernel from FIT Image at %08lx ...\n", img_addr); if (!fit_check_format(fit_hdr)) { puts("Bad FIT kernel image format!\n"); bootstage_error(BOOTSTAGE_ID_FIT_FORMAT); return NULL; } bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT); if (!fit_uname_kernel) { /* * no kernel image node unit name, try to get config * node first. If config unit node name is NULL * fit_conf_get_node() will try to find default config * node */ bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME); #ifdef CONFIG_FIT_BEST_MATCH if (fit_uname_config) cfg_noffset = fit_conf_get_node(fit_hdr, fit_uname_config); else cfg_noffset = fit_conf_find_compat(fit_hdr, gd->fdt_blob); #else cfg_noffset = fit_conf_get_node(fit_hdr, fit_uname_config); #endif if (cfg_noffset < 0) { bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME); return NULL; } /* save configuration uname provided in the first * bootm argument */ images->fit_uname_cfg = fdt_get_name(fit_hdr, cfg_noffset, NULL); printf(" Using '%s' configuration\n", images->fit_uname_cfg); bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG); os_noffset = fit_conf_get_kernel_node(fit_hdr, cfg_noffset); fit_uname_kernel = fit_get_name(fit_hdr, os_noffset, NULL); } else { /* get kernel component image node offset */ bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME); os_noffset = fit_image_get_node(fit_hdr, fit_uname_kernel); } if (os_noffset < 0) { bootstage_error(BOOTSTAGE_ID_FIT_CONFIG); return NULL; } printf(" Trying '%s' kernel subimage\n", fit_uname_kernel); bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE); if (!fit_check_kernel(fit_hdr, os_noffset, images->verify)) return NULL; /* get kernel image data address and length */ if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) { puts("Could not find kernel subimage data!\n"); bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR); return NULL; } bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO); *os_len = len; *os_data = (ulong)data; images->fit_hdr_os = (void *)fit_hdr; images->fit_uname_os = fit_uname_kernel; images->fit_noffset_os = os_noffset; break; #endif default: printf("Wrong Image Format for %s command\n", cmdtp->name); bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); return NULL; } debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", *os_data, *os_len, *os_len); return buf; }
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { ulong mem_start; phys_size_t mem_size; void *os_hdr; int ret; memset ((void *)&images, 0, sizeof (images)); images.verify = getenv_yesno ("verify"); lmb_init(&images.lmb); mem_start = getenv_bootm_low(); mem_size = getenv_bootm_size(); lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size); arch_lmb_reserve(&images.lmb); board_lmb_reserve(&images.lmb); /* get kernel image header, start address and length */ os_hdr = boot_get_kernel (cmdtp, flag, argc, argv, &images, &images.os.image_start, &images.os.image_len); if (images.os.image_len == 0) { puts ("ERROR: can't get kernel image!\n"); return 1; } /* get image parameters */ switch (genimg_get_format (os_hdr)) { case IMAGE_FORMAT_LEGACY: images.os.type = image_get_type (os_hdr); images.os.comp = image_get_comp (os_hdr); images.os.os = image_get_os (os_hdr); images.os.end = image_get_image_end (os_hdr); images.os.load = image_get_load (os_hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: if (fit_image_get_type (images.fit_hdr_os, images.fit_noffset_os, &images.os.type)) { puts ("Can't get image type!\n"); show_boot_progress (-109); return 1; } if (fit_image_get_comp (images.fit_hdr_os, images.fit_noffset_os, &images.os.comp)) { puts ("Can't get image compression!\n"); show_boot_progress (-110); return 1; } if (fit_image_get_os (images.fit_hdr_os, images.fit_noffset_os, &images.os.os)) { puts ("Can't get image OS!\n"); show_boot_progress (-111); return 1; } images.os.end = fit_get_end (images.fit_hdr_os); if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os, &images.os.load)) { puts ("Can't get image load address!\n"); show_boot_progress (-112); return 1; } break; #endif default: puts ("ERROR: unknown image format type!\n"); return 1; } /* find kernel entry point */ if (images.legacy_hdr_valid) { images.ep = image_get_ep (&images.legacy_hdr_os_copy); #if defined(CONFIG_FIT) } else if (images.fit_uname_os) { ret = fit_image_get_entry (images.fit_hdr_os, images.fit_noffset_os, &images.ep); if (ret) { puts ("Can't get entry point property!\n"); return 1; } #endif } else { puts ("Could not find kernel entry point!\n"); return 1; } if (images.os.os == IH_OS_LINUX) { /* find ramdisk */ ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH, &images.rd_start, &images.rd_end); if (ret) { puts ("Ramdisk image is corrupt or invalid\n"); return 1; } #if defined(CONFIG_OF_LIBFDT) #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) /* find flattened device tree */ ret = boot_get_fdt (flag, argc, argv, &images, &images.ft_addr, &images.ft_len); if (ret) { puts ("Could not find a valid device tree\n"); return 1; } set_working_fdt_addr(images.ft_addr); #endif #endif } images.os.start = (ulong)os_hdr; images.state = BOOTM_STATE_START; return 0; }
int au_check_header_valid(int idx, long nbytes) { image_header_t *hdr; unsigned long checksum; unsigned char buf[4]; hdr = (image_header_t *)LOAD_ADDR; #if defined(CONFIG_FIT) if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) { puts ("Non legacy image format not supported\n"); return -1; } #endif /* check the easy ones first */ #undef CHECK_VALID_DEBUG #ifdef CHECK_VALID_DEBUG printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC); printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM); printf("size %#x %#lx ", image_get_data_size (hdr), nbytes); printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL); #endif if (nbytes < image_get_header_size ()) { printf ("Image %s bad header SIZE\n", aufile[idx]); return -1; } if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_ARM)) { printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]); return -1; } /* check the hdr CRC */ if (!image_check_hcrc (hdr)) { printf ("Image %s bad header checksum\n", aufile[idx]); return -1; } /* check the type - could do this all in one gigantic if() */ if ((idx == IDX_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) { printf ("Image %s wrong type\n", aufile[idx]); return -1; } if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) { printf ("Image %s wrong type\n", aufile[idx]); return -1; } if ((idx == IDX_DISK) && !image_check_type (hdr, IH_TYPE_FILESYSTEM)) { printf ("Image %s wrong type\n", aufile[idx]); return -1; } if ((idx == IDX_APP) && !image_check_type (hdr, IH_TYPE_RAMDISK) && !image_check_type (hdr, IH_TYPE_FILESYSTEM)) { printf ("Image %s wrong type\n", aufile[idx]); return -1; } if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST) && !image_check_type (hdr, IH_TYPE_SCRIPT)) { printf ("Image %s wrong type\n", aufile[idx]); return -1; } /* special case for prepare.img */ if (idx == IDX_PREPARE) return 0; /* recycle checksum */ checksum = image_get_data_size (hdr); /* for kernel and app the image header must also fit into flash */ if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE)) checksum += image_get_header_size (); /* check the size does not exceed space in flash. HUSH scripts */ /* all have ausize[] set to 0 */ if ((ausize[idx] != 0) && (ausize[idx] < checksum)) { printf ("Image %s is bigger than FLASH\n", aufile[idx]); return -1; } /* check the time stamp from the EEPROM */ /* read it in */ i2c_read_multiple(0x54, auee_off[idx].time, 1, buf, sizeof(buf)); #ifdef CHECK_VALID_DEBUG printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x " "as int %#x time %#x\n", buf[0], buf[1], buf[2], buf[3], *((unsigned int *)buf), image_get_time (hdr)); #endif /* check it */ if (*((unsigned int *)buf) >= image_get_time (hdr)) { printf ("Image %s is too old\n", aufile[idx]); return -1; } return 0; }
/** * boot_get_kernel - find kernel image * @os_data: pointer to a ulong variable, will hold os data start address * @os_len: pointer to a ulong variable, will hold os data length * * boot_get_kernel() tries to find a kernel image, verifies its integrity * and locates kernel data. * * returns: * pointer to image header if valid image was found, plus kernel start * address and length, otherwise NULL */ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images, ulong *os_data, ulong *os_len) { image_header_t *hdr; ulong img_addr; #if defined(CONFIG_FIT) void *fit_hdr; const char *fit_uname_config = NULL; const char *fit_uname_kernel = NULL; const void *data; size_t len; int cfg_noffset; int os_noffset; #endif /* find out kernel image address */ if (argc < 2) { img_addr = load_addr; debug ("* kernel: default image load address = 0x%08lx\n", load_addr); #if defined(CONFIG_FIT) } else if (fit_parse_conf (argv[1], load_addr, &img_addr, &fit_uname_config)) { debug ("* kernel: config '%s' from image at 0x%08lx\n", fit_uname_config, img_addr); } else if (fit_parse_subimage (argv[1], load_addr, &img_addr, &fit_uname_kernel)) { debug ("* kernel: subimage '%s' from image at 0x%08lx\n", fit_uname_kernel, img_addr); #endif } else { img_addr = simple_strtoul(argv[1], NULL, 16); debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr); } show_boot_progress (1); /* copy from dataflash if needed */ img_addr = genimg_get_image (img_addr); /* check image type, for FIT images get FIT kernel node */ *os_data = *os_len = 0; switch (genimg_get_format ((void *)img_addr)) { case IMAGE_FORMAT_LEGACY: printf ("## Booting kernel from Legacy Image at %08lx ...\n", img_addr); hdr = image_get_kernel (img_addr, images->verify); if (!hdr) return NULL; show_boot_progress (5); /* get os_data and os_len */ switch (image_get_type (hdr)) { case IH_TYPE_KERNEL: *os_data = image_get_data (hdr); *os_len = image_get_data_size (hdr); break; case IH_TYPE_MULTI: image_multi_getimg (hdr, 0, os_data, os_len); break; case IH_TYPE_STANDALONE: if (argc >2) { hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16)); } *os_data = image_get_data (hdr); *os_len = image_get_data_size (hdr); break; default: printf ("Wrong Image Type for %s command\n", cmdtp->name); show_boot_progress (-5); return NULL; } /* * copy image header to allow for image overwrites during kernel * decompression. */ memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t)); /* save pointer to image header */ images->legacy_hdr_os = hdr; images->legacy_hdr_valid = 1; show_boot_progress (6); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: fit_hdr = (void *)img_addr; printf ("## Booting kernel from FIT Image at %08lx ...\n", img_addr); if (!fit_check_format (fit_hdr)) { puts ("Bad FIT kernel image format!\n"); show_boot_progress (-100); return NULL; } show_boot_progress (100); if (!fit_uname_kernel) { /* * no kernel image node unit name, try to get config * node first. If config unit node name is NULL * fit_conf_get_node() will try to find default config node */ show_boot_progress (101); cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); if (cfg_noffset < 0) { show_boot_progress (-101); return NULL; } /* save configuration uname provided in the first * bootm argument */ images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL); printf (" Using '%s' configuration\n", images->fit_uname_cfg); show_boot_progress (103); os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset); fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL); } else { /* get kernel component image node offset */ show_boot_progress (102); os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel); } if (os_noffset < 0) { show_boot_progress (-103); return NULL; } printf (" Trying '%s' kernel subimage\n", fit_uname_kernel); show_boot_progress (104); if (!fit_check_kernel (fit_hdr, os_noffset, images->verify)) return NULL; /* get kernel image data address and length */ if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) { puts ("Could not find kernel subimage data!\n"); show_boot_progress (-107); return NULL; } show_boot_progress (108); *os_len = len; *os_data = (ulong)data; images->fit_hdr_os = fit_hdr; images->fit_uname_os = fit_uname_kernel; images->fit_noffset_os = os_noffset; break; #endif default: printf ("Wrong Image Format for %s command\n", cmdtp->name); show_boot_progress (-108); return NULL; } debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", *os_data, *os_len, *os_len); return (void *)img_addr; }
int bootm_image(const image_header_t *header) { const char * failure = NULL; const char * type_name = NULL; uint32_t load, image_start, image_len; /* Display to standard output the image contents. */ image_print_contents(header); /* Validate the image header and image data CRCs */ puts(" Verifying Checksum ... "); { if (!image_check_hcrc(header)) { failure = "Header Invalid\n"; goto fail; } if (!image_check_dcrc(header)) { failure = "Data Invalid\n"; goto fail; } } puts("OK\n"); /* We ONLY support uncompressed ARM U-Boot firmware images. Check * to make sure that's what we are going to boot. */ if (!image_check_type(header, IH_TYPE_FIRMWARE)) { failure = "Image is not a firmware image\n"; goto fail; } if (!image_check_os(header, IH_OS_U_BOOT)) { failure = "Image is not u-boot firmware\n"; goto fail; } if (image_get_comp(header) != IH_COMP_NONE) { failure = "Image is compressed\n"; goto fail; } if (!image_check_target_arch(header)) { failure = "Image is not built for this processor\n"; goto fail; } type_name = genimg_get_type_name(image_get_type(header)); printf(" Loading %s ... ", type_name); { load = image_get_load(header); image_start = image_get_data(header); image_len = image_get_data_size(header); memmove_wd((void *)load, (void *)image_start, image_len, CHUNKSZ); } puts("OK\n"); /* This should never return. */ exec(load, type_name); /* However, if it does, return failed status. */ fail: puts(failure); return (BOOTM_STATUS_FAILURE); }