/** * image_get_kernel - verify legacy format kernel image * @img_addr: in RAM address of the legacy format image to be verified * @verify: data CRC verification flag * * image_get_kernel() verifies legacy image integrity and returns pointer to * legacy image header if image verification was completed successfully. * * returns: * pointer to a legacy image header if valid image was found * otherwise return NULL */ static image_header_t *image_get_kernel (ulong img_addr, int verify) { image_header_t *hdr = (image_header_t *)img_addr; if (!image_check_magic(hdr)) { puts ("Bad Magic Number\n"); show_boot_progress (-1); return NULL; } show_boot_progress (2); if (!image_check_hcrc (hdr)) { puts ("Bad Header Checksum\n"); show_boot_progress (-2); return NULL; } #if defined(CONFIG_MX51_BBG) || defined(CONFIG_MX51_3DS) if (image_get_load(hdr) < 0x90000000) image_set_load(hdr, image_get_load(hdr)+0x20000000); if (image_get_ep(hdr) < 0x90000000) image_set_ep(hdr, image_get_ep(hdr)+0x20000000); #endif #if defined(CONFIG_MX6SL) if (image_get_load(hdr) < 0x80000000) image_set_load(hdr, image_get_load(hdr)+0x70000000); if (image_get_ep(hdr) < 0x80000000) image_set_ep(hdr, image_get_ep(hdr)+0x70000000); #endif show_boot_progress (3); image_print_contents (hdr); if (verify) { puts (" Verifying Checksum ... "); if (!image_check_dcrc (hdr)) { printf ("Bad Data CRC\n"); show_boot_progress (-3); return NULL; } puts ("OK\n"); } show_boot_progress (4); if (!image_check_target_arch (hdr)) { printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr)); show_boot_progress (-4); return NULL; } return hdr; }
void spl_parse_image_header(const struct image_header *header) { u32 header_size = sizeof(struct image_header); if (image_get_magic(header) == IH_MAGIC) { if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) { /* * On some system (e.g. powerpc), the load-address and * entry-point is located at address 0. We can't load * to 0-0x40. So skip header in this case. */ spl_image.load_addr = image_get_load(header); spl_image.entry_point = image_get_ep(header); spl_image.size = image_get_data_size(header); } else { spl_image.entry_point = image_get_load(header); /* Load including the header */ spl_image.load_addr = spl_image.entry_point - header_size; spl_image.size = image_get_data_size(header) + header_size; } spl_image.os = image_get_os(header); spl_image.name = image_get_name(header); debug("spl: payload image: %.*s load addr: 0x%x size: %d\n", (int)sizeof(spl_image.name), spl_image.name, spl_image.load_addr, spl_image.size); } else { /* Signature not found - assume u-boot.bin */ debug("mkimage signature not found - ih_magic = %x\n", header->ih_magic); spl_set_header_raw_uboot(); } }
/* 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); }
int spl_parse_image_header(const struct image_header *header) { u32 header_size = sizeof(struct image_header); if (image_get_magic(header) == IH_MAGIC) { if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) { /* * On some system (e.g. powerpc), the load-address and * entry-point is located at address 0. We can't load * to 0-0x40. So skip header in this case. */ spl_image.load_addr = image_get_load(header); spl_image.entry_point = image_get_ep(header); spl_image.size = image_get_data_size(header); } else { spl_image.entry_point = image_get_load(header); /* Load including the header */ spl_image.load_addr = spl_image.entry_point - header_size; spl_image.size = image_get_data_size(header) + header_size; } spl_image.os = image_get_os(header); spl_image.name = image_get_name(header); debug("spl: payload image: %.*s load addr: 0x%x size: %d\n", (int)sizeof(spl_image.name), spl_image.name, spl_image.load_addr, spl_image.size); } else { #ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE /* * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the * code which loads images in SPL cannot guarantee that * absolutely all read errors will be reported. * An example is the LPC32XX MLC NAND driver, which * will consider that a completely unreadable NAND block * is bad, and thus should be skipped silently. */ panic("** no mkimage signature but raw image not supported"); #elif defined(CONFIG_SPL_ABORT_ON_RAW_IMAGE) /* Signature not found, proceed to other boot methods. */ return -EINVAL; #else /* Signature not found - assume u-boot.bin */ debug("mkimage signature not found - ih_magic = %x\n", header->ih_magic); spl_set_header_raw_uboot(); #endif } return 0; }
/** * image_print_contents - prints out the contents of the legacy format image * @ptr: pointer to the legacy format image header * @p: pointer to prefix string * * image_print_contents() formats a multi line legacy image contents description. * The routine prints out all header fields followed by the size/offset data * for MULTI/SCRIPT images. * * returns: * no returned results */ void image_print_contents(const void *ptr) { const image_header_t *hdr = (const image_header_t *)ptr; const char __maybe_unused *p; p = IMAGE_INDENT_STRING; printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); if (IMAGE_ENABLE_TIMESTAMP) { printf("%sCreated: ", p); genimg_print_time((time_t)image_get_time(hdr)); } printf("%sImage Type: ", p); image_print_type(hdr); printf("%sData Size: ", p); genimg_print_size(image_get_data_size(hdr)); printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); if (image_check_type(hdr, IH_TYPE_MULTI) || image_check_type(hdr, IH_TYPE_SCRIPT)) { int i; ulong data, len; ulong count = image_multi_count(hdr); printf("%sContents:\n", p); for (i = 0; i < count; i++) { image_multi_getimg(hdr, i, &data, &len); printf("%s Image %d: ", p, i); genimg_print_size(len); if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { /* * the user may need to know offsets * if planning to do something with * multiple files */ printf("%s Offset = 0x%08lx\n", p, data); } } } else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) { printf("HAB Blocks: 0x%08x 0x0000 0x%08x\n", image_get_load(hdr) - image_get_header_size(), image_get_size(hdr) + image_get_header_size() - 0x1FE0); } }
void image_print_contents(const void *ptr) { const image_header_t *hdr = (const image_header_t *)ptr; const char *p; #ifdef __BAREBOX__ p = " "; #else p = ""; #endif printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || !defined(__BAREBOX__) printf("%sCreated: ", p); image_print_time((time_t)image_get_time(hdr)); #endif printf ("%sImage Type: ", p); image_print_type(hdr); printf ("%sData Size: ", p); image_print_size(image_get_data_size(hdr)); printf ("%sLoad Address: %08x\n", p, image_get_load(hdr)); printf ("%sEntry Point: %08x\n", p, image_get_ep(hdr)); if (image_check_type(hdr, IH_TYPE_MULTI) || image_check_type(hdr, IH_TYPE_SCRIPT)) { int i; ulong data, len; ulong count = image_multi_count(hdr); printf ("%sContents:\n", p); for (i = 0; i < count; i++) { image_multi_getimg(hdr, i, &data, &len); printf("%s Image %d: ", p, i); image_print_size(len); if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { /* * the user may need to know offsets * if planning to do something with * multiple files */ printf("%s Offset = 0x%08lx\n", p, data); } } } }
void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images) { /* First parameter is mapped to $r5 for kernel boot args */ void (*theKernel) (char *); char *commandline = getenv ("bootargs"); ulong ep = 0; /* find kernel entry point */ if (images->legacy_hdr_valid) { ep = image_get_ep (images->legacy_hdr_os); #if defined(CONFIG_FIT) } else if (images->fit_uname_os) { int ret = fit_image_get_entry (images->fit_hdr_os, images->fit_noffset_os, &ep); if (ret) { puts ("Can't get entry point property!\n"); goto error; } #endif } else { puts ("Could not find kernel entry point!\n"); goto error; } theKernel = (void (*)(char *))ep; show_boot_progress (15); #ifdef DEBUG printf ("## Transferring control to Linux (at address %08lx) ...\n", (ulong) theKernel); #endif if (!images->autostart) return ; theKernel (commandline); /* does not return */ return; error: if (images->autostart) do_reset (cmdtp, flag, argc, argv); return; }
void spl_parse_image_header(const struct image_header *header) { u32 header_size = sizeof(struct image_header); if (image_get_magic(header) == IH_MAGIC) { if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) { /* * On some system (e.g. powerpc), the load-address and * entry-point is located at address 0. We can't load * to 0-0x40. So skip header in this case. */ spl_image.load_addr = image_get_load(header); spl_image.entry_point = image_get_ep(header); spl_image.size = image_get_data_size(header); } else { spl_image.entry_point = image_get_load(header); /* Load including the header */ spl_image.load_addr = spl_image.entry_point - header_size; spl_image.size = image_get_data_size(header) + header_size; } spl_image.os = image_get_os(header); spl_image.name = image_get_name(header); spl_image.crc = image_get_dcrc(header); spl_image.crc_size = image_get_data_size(header); debug("spl: payload image: %s load addr: 0x%x size: %d\n", spl_image.name, spl_image.load_addr, spl_image.size); } else { /* Signature not found - assume u-boot.bin */ debug("mkimage signature not found - ih_magic = %x\n", header->ih_magic); /* Let's assume U-Boot will not be more than 200 KB */ spl_image.size = CONFIG_SYS_MONITOR_LEN; spl_image.entry_point = CONFIG_SYS_UBOOT_START; spl_image.load_addr = CONFIG_SYS_TEXT_BASE; spl_image.os = IH_OS_U_BOOT; spl_image.name = "U-Boot"; spl_image.crc_size = 0; } }
void lynxkdi_boot (image_header_t *hdr) { void (*lynxkdi)(void) = (void(*)(void))image_get_ep (hdr); lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020; bd_t *kbd; u32 *psz = (u32 *)(image_get_load (hdr) + 0x0204); memset (parms, 0, sizeof(*parms)); kbd = gd->bd; parms->clock_ref = kbd->bi_busfreq; parms->dramsz = kbd->bi_memsize; memcpy (parms->ethaddr, kbd->bi_enetaddr, 6); mtspr (SPRN_SPRG2, 0x0020); /* Do a simple check for Bluecat so we can pass the * kernel command line parameters. */ if (le32_to_cpu (*psz) == image_get_data_size (hdr)) { /* FIXME: NOT SURE HERE ! */ char *args; char *cmdline = (char *)(image_get_load (hdr) + 0x020c); int len; printf ("Booting Bluecat KDI ...\n"); udelay (200*1000); /* Allow serial port to flush */ if ((args = getenv ("bootargs")) == NULL) args = ""; /* Prepend the cmdline */ len = strlen (args); if (len && (len + strlen (cmdline) + 2 < (0x0400 - 0x020c))) { memmove (cmdline + strlen (args) + 1, cmdline, strlen (cmdline)); strcpy (cmdline, args); cmdline[len] = ' '; } } else { printf ("Booting LynxOS KDI ...\n"); } lynxkdi (); }
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images) { ulong ep = 0; /* find kernel entry point */ if (images->legacy_hdr_valid) { ep = image_get_ep (images->legacy_hdr_os); #if defined(CONFIG_FIT) } else if (images->fit_uname_os) { int ret = fit_image_get_entry (images->fit_hdr_os, images->fit_noffset_os, &ep); if (ret) { puts ("Can't get entry point property!\n"); goto error; } #endif } else { puts ("Could not find kernel entry point!\n"); goto error; } void (*kernel)(void) = (void (*)(void))ep; if (!images->autostart) return ; /* For now we assume the Microtronix linux ... which only * needs to be called ;-) */ kernel (); /* does not return */ return; error: if (images->autostart) do_reset (cmdtp, flag, argc, argv); return; }
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 spl_parse_image_header(struct spl_image_info *spl_image, const struct image_header *header) { if (image_get_magic(header) == IH_MAGIC) { #ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT u32 header_size = sizeof(struct image_header); if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) { /* * On some system (e.g. powerpc), the load-address and * entry-point is located at address 0. We can't load * to 0-0x40. So skip header in this case. */ spl_image->load_addr = image_get_load(header); spl_image->entry_point = image_get_ep(header); spl_image->size = image_get_data_size(header); } else { spl_image->entry_point = image_get_load(header); /* Load including the header */ spl_image->load_addr = spl_image->entry_point - header_size; spl_image->size = image_get_data_size(header) + header_size; } spl_image->os = image_get_os(header); spl_image->name = image_get_name(header); debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n", (int)sizeof(spl_image->name), spl_image->name, spl_image->load_addr, spl_image->size); #else /* LEGACY image not supported */ debug("Legacy boot image support not enabled, proceeding to other boot methods"); return -EINVAL; #endif } else { #ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE /* * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the * code which loads images in SPL cannot guarantee that * absolutely all read errors will be reported. * An example is the LPC32XX MLC NAND driver, which * will consider that a completely unreadable NAND block * is bad, and thus should be skipped silently. */ panic("** no mkimage signature but raw image not supported"); #endif #ifdef CONFIG_SPL_OS_BOOT ulong start, end; if (!bootz_setup((ulong)header, &start, &end)) { spl_image->name = "Linux"; spl_image->os = IH_OS_LINUX; spl_image->load_addr = CONFIG_SYS_LOAD_ADDR; spl_image->entry_point = CONFIG_SYS_LOAD_ADDR; spl_image->size = end - start; debug("spl: payload zImage, load addr: 0x%lx size: %d\n", spl_image->load_addr, spl_image->size); return 0; } #endif #ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT /* Signature not found - assume u-boot.bin */ debug("mkimage signature not found - ih_magic = %x\n", header->ih_magic); spl_set_header_raw_uboot(spl_image); #else /* RAW image not supported, proceed to other boot methods. */ debug("Raw boot image support not enabled, proceeding to other boot methods"); return -EINVAL; #endif } return 0; }
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; }
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; }
void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images) { ulong initrd_start, initrd_end; ulong ep = 0; bd_t *bd = gd->bd; char *s; int machid = bd->bi_arch_number; void (*theKernel)(int zero, int arch, uint params); int ret; #ifdef CONFIG_CMDLINE_TAG char *commandline = getenv ("bootargs"); #endif /* find kernel entry point */ if (images->legacy_hdr_valid) { 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, &ep); if (ret) { puts ("Can't get entry point property!\n"); goto error; } #endif } else { puts ("Could not find kernel entry point!\n"); goto error; } theKernel = (void (*)(int, int, uint))ep; s = getenv ("machid"); if (s) { machid = simple_strtoul (s, NULL, 16); printf ("Using machid 0x%x from environment\n", machid); } ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_ARM, &initrd_start, &initrd_end); if (ret) goto error; show_boot_progress (15); debug ("## Transferring control to Linux (at address %08lx) ...\n", (ulong) theKernel); #if defined (CONFIG_SETUP_MEMORY_TAGS) || \ defined (CONFIG_CMDLINE_TAG) || \ defined (CONFIG_INITRD_TAG) || \ defined (CONFIG_SERIAL_TAG) || \ defined (CONFIG_REVISION_TAG) || \ defined (CONFIG_LCD) || \ defined (CONFIG_VFD) setup_start_tag (bd); #ifdef CONFIG_SERIAL_TAG setup_serial_tag (¶ms); #endif #ifdef CONFIG_REVISION_TAG setup_revision_tag (¶ms); #endif #ifdef CONFIG_SETUP_MEMORY_TAGS setup_memory_tags (bd); #endif #ifdef CONFIG_CMDLINE_TAG setup_commandline_tag (bd, commandline); #endif #ifdef CONFIG_INITRD_TAG if (initrd_start && initrd_end) setup_initrd_tag (bd, initrd_start, initrd_end); #endif #if defined (CONFIG_VFD) || defined (CONFIG_LCD) setup_videolfb_tag ((gd_t *) gd); #endif setup_end_tag (bd); #endif /* we assume that the kernel is in place */ printf ("\nStarting kernel ...\n\n"); #ifdef CONFIG_USB_DEVICE { extern void udc_disconnect (void); udc_disconnect (); } #endif cleanup_before_linux (); theKernel (0, machid, bd->bi_boot_params); /* does not return */ return; error: do_reset (cmdtp, flag, argc, argv); return; }
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images) { ulong initrd_start, initrd_end; ulong ep = 0; void (*theKernel)(int magic, void *tagtable); struct tag *params, *params_start; char *commandline = getenv("bootargs"); int ret; /* find kernel entry point */ if (images->legacy_hdr_valid) { ep = image_get_ep (images->legacy_hdr_os); #if defined(CONFIG_FIT) } else if (images->fit_uname_os) { ret = fit_image_get_entry (images->fit_hdr_os, images->fit_noffset_os, &ep); if (ret) { puts ("Can't get entry point property!\n"); goto error; } #endif } else { puts ("Could not find kernel entry point!\n"); goto error; } theKernel = (void *)ep; ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_AVR32, &initrd_start, &initrd_end); if (ret) goto error; show_boot_progress (15); params = params_start = (struct tag *)gd->bd->bi_boot_params; params = setup_start_tag(params); params = setup_memory_tags(params); if (initrd_start) { params = setup_ramdisk_tag(params, PHYSADDR(initrd_start), PHYSADDR(initrd_end)); } params = setup_commandline_tag(params, commandline); params = setup_clock_tags(params); params = setup_ethernet_tags(params); setup_end_tag(params); if (!images->autostart) return ; printf("\nStarting kernel at %p (params at %p)...\n\n", theKernel, params_start); prepare_to_boot(); theKernel(ATAG_MAGIC, params_start); /* does not return */ return; error: if (images->autostart) do_reset (cmdtp, flag, argc, argv); return; }
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; }
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; }
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; }