// SPDX-License-Identifier: GPL-2.0+ /* * Image code used by boards (and not host tools) * * (C) Copyright 2008 Semihalf * * (C) Copyright 2000-2006 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; /** * image_get_ramdisk - get and verify ramdisk image * @rd_addr: ramdisk image start address * @arch: expected ramdisk architecture * @verify: checksum verification flag * * image_get_ramdisk() returns a pointer to the verified ramdisk image * header. Routine receives image start address and expected architecture * flag. Verification done covers data and header integrity and os/type/arch * fields checking. * * returns: * pointer to a ramdisk image header, if image was found and valid * otherwise, return NULL */ static const struct legacy_img_hdr *image_get_ramdisk(ulong rd_addr, u8 arch, int verify) { const struct legacy_img_hdr *rd_hdr = (const struct legacy_img_hdr *)rd_addr; if (!image_check_magic(rd_hdr)) { puts("Bad Magic Number\n"); bootstage_error(BOOTSTAGE_ID_RD_MAGIC); return NULL; } if (!image_check_hcrc(rd_hdr)) { puts("Bad Header Checksum\n"); bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); return NULL; } bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); image_print_contents(rd_hdr); if (verify) { puts(" Verifying Checksum ... "); if (!image_check_dcrc(rd_hdr)) { puts("Bad Data CRC\n"); bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); return NULL; } puts("OK\n"); } bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); if (!image_check_os(rd_hdr, IH_OS_LINUX) || !image_check_arch(rd_hdr, arch) || !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { printf("No Linux %s Ramdisk Image\n", genimg_get_arch_name(arch)); bootstage_error(BOOTSTAGE_ID_RAMDISK); return NULL; } return rd_hdr; } /*****************************************************************************/ /* Shared dual-format routines */ /*****************************************************************************/ ulong image_load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ ulong image_save_addr; /* Default Save Address */ ulong image_save_size; /* Default Save Size (in bytes) */ static int on_loadaddr(const char *name, const char *value, enum env_op op, int flags) { switch (op) { case env_op_create: case env_op_overwrite: image_load_addr = hextoul(value, NULL); break; default: break; } return 0; } U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); ulong env_get_bootm_low(void) { char *s = env_get("bootm_low"); if (s) { ulong tmp = hextoul(s, NULL); return tmp; } #if defined(CFG_SYS_SDRAM_BASE) return CFG_SYS_SDRAM_BASE; #elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_RISCV) return gd->bd->bi_dram[0].start; #else return 0; #endif } phys_size_t env_get_bootm_size(void) { phys_size_t tmp, size; phys_addr_t start; char *s = env_get("bootm_size"); if (s) { tmp = (phys_size_t)simple_strtoull(s, NULL, 16); return tmp; } start = gd->ram_base; size = gd->ram_size; if (start + size > gd->ram_top) size = gd->ram_top - start; s = env_get("bootm_low"); if (s) tmp = (phys_size_t)simple_strtoull(s, NULL, 16); else tmp = start; return size - (tmp - start); } phys_size_t env_get_bootm_mapsize(void) { phys_size_t tmp; char *s = env_get("bootm_mapsize"); if (s) { tmp = (phys_size_t)simple_strtoull(s, NULL, 16); return tmp; } #if defined(CFG_SYS_BOOTMAPSZ) return CFG_SYS_BOOTMAPSZ; #else return env_get_bootm_size(); #endif } void memmove_wd(void *to, void *from, size_t len, ulong chunksz) { if (to == from) return; if (IS_ENABLED(CONFIG_HW_WATCHDOG) || IS_ENABLED(CONFIG_WATCHDOG)) { if (to > from) { from += len; to += len; } while (len > 0) { size_t tail = (len > chunksz) ? chunksz : len; schedule(); if (to > from) { to -= tail; from -= tail; } memmove(to, from, tail); if (to < from) { to += tail; from += tail; } len -= tail; } } else { memmove(to, from, len); } } /** * genimg_get_kernel_addr_fit - get the real kernel address and return 2 * FIT strings * @img_addr: a string might contain real image address * @fit_uname_config: double pointer to a char, will hold pointer to a * configuration unit name * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage * name * * genimg_get_kernel_addr_fit get the real kernel start address from a string * which is normally the first argv of bootm/bootz * * returns: * kernel start address */ ulong genimg_get_kernel_addr_fit(char * const img_addr, const char **fit_uname_config, const char **fit_uname_kernel) { ulong kernel_addr; /* find out kernel image address */ if (!img_addr) { kernel_addr = image_load_addr; debug("* kernel: default image load address = 0x%08lx\n", image_load_addr); } else if (CONFIG_IS_ENABLED(FIT) && fit_parse_conf(img_addr, image_load_addr, &kernel_addr, fit_uname_config)) { debug("* kernel: config '%s' from image at 0x%08lx\n", *fit_uname_config, kernel_addr); } else if (CONFIG_IS_ENABLED(FIT) && fit_parse_subimage(img_addr, image_load_addr, &kernel_addr, fit_uname_kernel)) { debug("* kernel: subimage '%s' from image at 0x%08lx\n", *fit_uname_kernel, kernel_addr); } else { kernel_addr = hextoul(img_addr, NULL); debug("* kernel: cmdline image address = 0x%08lx\n", kernel_addr); } return kernel_addr; } /** * genimg_get_kernel_addr() is the simple version of * genimg_get_kernel_addr_fit(). It ignores those return FIT strings */ ulong genimg_get_kernel_addr(char * const img_addr) { const char *fit_uname_config = NULL; const char *fit_uname_kernel = NULL; return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config, &fit_uname_kernel); } /** * genimg_get_format - get image format type * @img_addr: image start address * * genimg_get_format() checks whether provided address points to a valid * legacy or FIT image. * * New uImage format and FDT blob are based on a libfdt. FDT blob * may be passed directly or embedded in a FIT image. In both situations * genimg_get_format() must be able to dectect libfdt header. * * returns: * image format type or IMAGE_FORMAT_INVALID if no image is present */ int genimg_get_format(const void *img_addr) { if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) { const struct legacy_img_hdr *hdr; hdr = (const struct legacy_img_hdr *)img_addr; if (image_check_magic(hdr)) return IMAGE_FORMAT_LEGACY; } if (CONFIG_IS_ENABLED(FIT) || CONFIG_IS_ENABLED(OF_LIBFDT)) { if (!fdt_check_header(img_addr)) return IMAGE_FORMAT_FIT; } if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE) && is_android_boot_image_header(img_addr)) return IMAGE_FORMAT_ANDROID; return IMAGE_FORMAT_INVALID; } /** * fit_has_config - check if there is a valid FIT configuration * @images: pointer to the bootm command headers structure * * fit_has_config() checks if there is a FIT configuration in use * (if FTI support is present). * * returns: * 0, no FIT support or no configuration found * 1, configuration found */ int genimg_has_config(struct bootm_headers *images) { if (CONFIG_IS_ENABLED(FIT) && images->fit_uname_cfg) return 1; return 0; } /** * select_ramdisk() - Select and locate the ramdisk to use * * @images: pointer to the bootm images structure * @select: name of ramdisk to select, or hex address, NULL for any * @arch: expected ramdisk architecture * @rd_datap: pointer to a ulong variable, will hold ramdisk pointer * @rd_lenp: pointer to a ulong variable, will hold ramdisk length * Return: 0 if OK, -ENOPKG if no ramdisk (but an error should not be reported), * other -ve value on other error */ static int select_ramdisk(struct bootm_headers *images, const char *select, u8 arch, ulong *rd_datap, ulong *rd_lenp) { const char *fit_uname_config; const char *fit_uname_ramdisk; bool done_select = !select; bool done = false; int rd_noffset; ulong rd_addr = 0; char *buf; if (CONFIG_IS_ENABLED(FIT)) { fit_uname_config = images->fit_uname_cfg; fit_uname_ramdisk = NULL; if (select) { ulong default_addr; /* * If the init ramdisk comes from the FIT image and * the FIT image address is omitted in the command * line argument, try to use os FIT image address or * default load address. */ if (images->fit_uname_os) default_addr = (ulong)images->fit_hdr_os; else default_addr = image_load_addr; if (fit_parse_conf(select, default_addr, &rd_addr, &fit_uname_config)) { debug("* ramdisk: config '%s' from image at 0x%08lx\n", fit_uname_config, rd_addr); done_select = true; } else if (fit_parse_subimage(select, default_addr, &rd_addr, &fit_uname_ramdisk)) { debug("* ramdisk: subimage '%s' from image at 0x%08lx\n", fit_uname_ramdisk, rd_addr); done_select = true; } } } if (!done_select) { rd_addr = hextoul(select, NULL); debug("* ramdisk: cmdline image address = 0x%08lx\n", rd_addr); } if (CONFIG_IS_ENABLED(FIT) && !select) { /* use FIT configuration provided in first bootm * command argument. If the property is not defined, * quit silently (with -ENOPKG) */ rd_addr = map_to_sysmem(images->fit_hdr_os); rd_noffset = fit_get_node_from_config(images, FIT_RAMDISK_PROP, rd_addr); if (rd_noffset == -ENOENT) return -ENOPKG; else if (rd_noffset < 0) return rd_noffset; } /* * Check if there is an initrd image at the * address provided in the second bootm argument * check image type, for FIT images get FIT node. */ buf = map_sysmem(rd_addr, 0); switch (genimg_get_format(buf)) { case IMAGE_FORMAT_LEGACY: if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) { const struct legacy_img_hdr *rd_hdr; printf("## Loading init Ramdisk from Legacy Image at %08lx ...\n", rd_addr); bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); rd_hdr = image_get_ramdisk(rd_addr, arch, images->verify); if (!rd_hdr) return -ENOENT; *rd_datap = image_get_data(rd_hdr); *rd_lenp = image_get_data_size(rd_hdr); done = true; } break; case IMAGE_FORMAT_FIT: if (CONFIG_IS_ENABLED(FIT)) { rd_noffset = fit_image_load(images, rd_addr, &fit_uname_ramdisk, &fit_uname_config, arch, IH_TYPE_RAMDISK, BOOTSTAGE_ID_FIT_RD_START, FIT_LOAD_OPTIONAL_NON_ZERO, rd_datap, rd_lenp); if (rd_noffset < 0) return rd_noffset; images->fit_hdr_rd = map_sysmem(rd_addr, 0); images->fit_uname_rd = fit_uname_ramdisk; images->fit_noffset_rd = rd_noffset; done = true; } break; case IMAGE_FORMAT_ANDROID: if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) { int ret; if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) { void *boot_img = map_sysmem(get_abootimg_addr(), 0); void *vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0); ret = android_image_get_ramdisk(boot_img, vendor_boot_img, rd_datap, rd_lenp); unmap_sysmem(vendor_boot_img); unmap_sysmem(boot_img); } else { void *ptr = map_sysmem(images->os.start, 0); ret = android_image_get_ramdisk(ptr, NULL, rd_datap, rd_lenp); unmap_sysmem(ptr); } if (ret) return ret; done = true; } break; } if (!done) { if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) { char *end = NULL; if (select) end = strchr(select, ':'); if (end) { *rd_lenp = hextoul(++end, NULL); *rd_datap = rd_addr; done = true; } } if (!done) { puts("Wrong Ramdisk Image Format\n"); return -EINVAL; } } return 0; } /** * boot_get_ramdisk - main ramdisk handling routine * @argc: command argument count * @argv: command argument list * @images: pointer to the bootm images structure * @arch: expected ramdisk architecture * @rd_start: pointer to a ulong variable, will hold ramdisk start address * @rd_end: pointer to a ulong variable, will hold ramdisk end * * boot_get_ramdisk() is responsible for finding a valid ramdisk image. * Currently supported are the following ramdisk sources: * - multicomponent kernel/ramdisk image, * - commandline provided address of decicated ramdisk image. * * returns: * 0, if ramdisk image was found and valid, or skiped * rd_start and rd_end are set to ramdisk start/end addresses if * ramdisk image is found and valid * * 1, if ramdisk image is found but corrupted, or invalid * rd_start and rd_end are set to 0 if no ramdisk exists */ int boot_get_ramdisk(int argc, char *const argv[], struct bootm_headers *images, u8 arch, ulong *rd_start, ulong *rd_end) { ulong rd_data, rd_len; const char *select = NULL; *rd_start = 0; *rd_end = 0; if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) { char *buf; /* Look for an Android boot image */ buf = map_sysmem(images->os.start, 0); if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID) select = (argc == 0) ? env_get("loadaddr") : argv[0]; } if (argc >= 2) select = argv[1]; /* * Look for a '-' which indicates to ignore the * ramdisk argument */ if (select && strcmp(select, "-") == 0) { debug("## Skipping init Ramdisk\n"); rd_len = 0; rd_data = 0; } else if (select || genimg_has_config(images)) { int ret; ret = select_ramdisk(images, select, arch, &rd_data, &rd_len); if (ret == -ENOPKG) return 0; else if (ret) return ret; } else if (images->legacy_hdr_valid && image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { /* * Now check if we have a legacy mult-component image, * get second entry data start address and len. */ bootstage_mark(BOOTSTAGE_ID_RAMDISK); printf("## Loading init Ramdisk from multi component Legacy Image at %08lx ...\n", (ulong)images->legacy_hdr_os); image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); } else { /* * no initrd image */ bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); rd_len = 0; rd_data = 0; } if (!rd_data) { debug("## No init Ramdisk\n"); } else { *rd_start = rd_data; *rd_end = rd_data + rd_len; } debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", *rd_start, *rd_end); return 0; } /** * boot_ramdisk_high - relocate init ramdisk * @lmb: pointer to lmb handle, will be used for memory mgmt * @rd_data: ramdisk data start address * @rd_len: ramdisk data length * @initrd_start: pointer to a ulong variable, will hold final init ramdisk * start address (after possible relocation) * @initrd_end: pointer to a ulong variable, will hold final init ramdisk * end address (after possible relocation) * * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment * variable and if requested ramdisk data is moved to a specified location. * * Initrd_start and initrd_end are set to final (after relocation) ramdisk * start/end addresses if ramdisk image start and len were provided, * otherwise set initrd_start and initrd_end set to zeros. * * returns: * 0 - success * -1 - failure */ int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, ulong *initrd_start, ulong *initrd_end) { char *s; ulong initrd_high; int initrd_copy_to_ram = 1; s = env_get("initrd_high"); if (s) { /* a value of "no" or a similar string will act like 0, * turning the "load high" feature off. This is intentional. */ initrd_high = hextoul(s, NULL); if (initrd_high == ~0) initrd_copy_to_ram = 0; } else { initrd_high = env_get_bootm_mapsize() + env_get_bootm_low(); } debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", initrd_high, initrd_copy_to_ram); if (rd_data) { if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ debug(" in-place initrd\n"); *initrd_start = rd_data; *initrd_end = rd_data + rd_len; lmb_reserve(lmb, rd_data, rd_len); } else { if (initrd_high) *initrd_start = (ulong)lmb_alloc_base(lmb, rd_len, 0x1000, initrd_high); else *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 0x1000); if (*initrd_start == 0) { puts("ramdisk - allocation error\n"); goto error; } bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); *initrd_end = *initrd_start + rd_len; printf(" Loading Ramdisk to %08lx, end %08lx ... ", *initrd_start, *initrd_end); memmove_wd((void *)*initrd_start, (void *)rd_data, rd_len, CHUNKSZ); /* * Ensure the image is flushed to memory to handle * AMP boot scenarios in which we might not be * HW cache coherent */ if (IS_ENABLED(CONFIG_MP)) { flush_cache((unsigned long)*initrd_start, ALIGN(rd_len, ARCH_DMA_MINALIGN)); } puts("OK\n"); } } else { *initrd_start = 0; *initrd_end = 0; } debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", *initrd_start, *initrd_end); return 0; error: return -1; } int boot_get_setup(struct bootm_headers *images, u8 arch, ulong *setup_start, ulong *setup_len) { if (!CONFIG_IS_ENABLED(FIT)) return -ENOENT; return boot_get_setup_fit(images, arch, setup_start, setup_len); } int boot_get_fpga(int argc, char *const argv[], struct bootm_headers *images, u8 arch, const ulong *ld_start, ulong * const ld_len) { ulong tmp_img_addr, img_data, img_len; void *buf; int conf_noffset; int fit_img_result; const char *uname, *name; int err; int devnum = 0; /* TODO support multi fpga platforms */ if (!IS_ENABLED(CONFIG_FPGA)) return -ENOSYS; /* Check to see if the images struct has a FIT configuration */ if (!genimg_has_config(images)) { debug("## FIT configuration was not specified\n"); return 0; } /* * Obtain the os FIT header from the images struct */ tmp_img_addr = map_to_sysmem(images->fit_hdr_os); buf = map_sysmem(tmp_img_addr, 0); /* * Check image type. For FIT images get FIT node * and attempt to locate a generic binary. */ switch (genimg_get_format(buf)) { case IMAGE_FORMAT_FIT: conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg); uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0, NULL); if (!uname) { debug("## FPGA image is not specified\n"); return 0; } fit_img_result = fit_image_load(images, tmp_img_addr, (const char **)&uname, &images->fit_uname_cfg, arch, IH_TYPE_FPGA, BOOTSTAGE_ID_FPGA_INIT, FIT_LOAD_OPTIONAL_NON_ZERO, &img_data, &img_len); debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n", uname, img_data, img_len); if (fit_img_result < 0) { /* Something went wrong! */ return fit_img_result; } if (!fpga_is_partial_data(devnum, img_len)) { name = "full"; err = fpga_loadbitstream(devnum, (char *)img_data, img_len, BIT_FULL); if (err) err = fpga_load(devnum, (const void *)img_data, img_len, BIT_FULL, 0); } else { name = "partial"; err = fpga_loadbitstream(devnum, (char *)img_data, img_len, BIT_PARTIAL); if (err) err = fpga_load(devnum, (const void *)img_data, img_len, BIT_PARTIAL, 0); } if (err) return err; printf(" Programming %s bitstream... OK\n", name); break; default: printf("The given image format is not supported (corrupt?)\n"); return 1; } return 0; } static void fit_loadable_process(u8 img_type, ulong img_data, ulong img_len) { int i; const unsigned int count = ll_entry_count(struct fit_loadable_tbl, fit_loadable); struct fit_loadable_tbl *fit_loadable_handler = ll_entry_start(struct fit_loadable_tbl, fit_loadable); /* For each loadable handler */ for (i = 0; i < count; i++, fit_loadable_handler++) /* matching this type */ if (fit_loadable_handler->type == img_type) /* call that handler with this image data */ fit_loadable_handler->handler(img_data, img_len); } int boot_get_loadable(int argc, char *const argv[], struct bootm_headers *images, u8 arch, const ulong *ld_start, ulong * const ld_len) { /* * These variables are used to hold the current image location * in system memory. */ ulong tmp_img_addr; /* * These two variables are requirements for fit_image_load, but * their values are not used */ ulong img_data, img_len; void *buf; int loadables_index; int conf_noffset; int fit_img_result; const char *uname; u8 img_type; /* Check to see if the images struct has a FIT configuration */ if (!genimg_has_config(images)) { debug("## FIT configuration was not specified\n"); return 0; } /* * Obtain the os FIT header from the images struct */ tmp_img_addr = map_to_sysmem(images->fit_hdr_os); buf = map_sysmem(tmp_img_addr, 0); /* * Check image type. For FIT images get FIT node * and attempt to locate a generic binary. */ switch (genimg_get_format(buf)) { case IMAGE_FORMAT_FIT: conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg); for (loadables_index = 0; uname = fdt_stringlist_get(buf, conf_noffset, FIT_LOADABLE_PROP, loadables_index, NULL), uname; loadables_index++) { fit_img_result = fit_image_load(images, tmp_img_addr, &uname, &images->fit_uname_cfg, arch, IH_TYPE_LOADABLE, BOOTSTAGE_ID_FIT_LOADABLE_START, FIT_LOAD_OPTIONAL_NON_ZERO, &img_data, &img_len); if (fit_img_result < 0) { /* Something went wrong! */ return fit_img_result; } fit_img_result = fit_image_get_node(buf, uname); if (fit_img_result < 0) { /* Something went wrong! */ return fit_img_result; } fit_img_result = fit_image_get_type(buf, fit_img_result, &img_type); if (fit_img_result < 0) { /* Something went wrong! */ return fit_img_result; } fit_loadable_process(img_type, img_data, img_len); } break; default: printf("The given image format is not supported (corrupt?)\n"); return 1; } return 0; } /** * boot_get_cmdline - allocate and initialize kernel cmdline * @lmb: pointer to lmb handle, will be used for memory mgmt * @cmd_start: pointer to a ulong variable, will hold cmdline start * @cmd_end: pointer to a ulong variable, will hold cmdline end * * This allocates space for kernel command line below * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment * variable is present its contents is copied to allocated kernel * command line. * * returns: * 0 - success * -1 - failure */ int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) { int barg; char *cmdline; char *s; /* * Help the compiler detect that this function is only called when * CONFIG_SYS_BOOT_GET_CMDLINE is enabled */ if (!IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) return 0; barg = IF_ENABLED_INT(CONFIG_SYS_BOOT_GET_CMDLINE, CONFIG_SYS_BARGSIZE); cmdline = (char *)(ulong)lmb_alloc_base(lmb, barg, 0xf, env_get_bootm_mapsize() + env_get_bootm_low()); if (!cmdline) return -1; s = env_get("bootargs"); if (!s) s = ""; strcpy(cmdline, s); *cmd_start = (ulong)cmdline; *cmd_end = *cmd_start + strlen(cmdline); debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); return 0; } /** * boot_get_kbd - allocate and initialize kernel copy of board info * @lmb: pointer to lmb handle, will be used for memory mgmt * @kbd: double pointer to board info data * * boot_get_kbd() allocates space for kernel copy of board info data below * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized * with the current u-boot board info data. * * returns: * 0 - success * -1 - failure */ int boot_get_kbd(struct lmb *lmb, struct bd_info **kbd) { *kbd = (struct bd_info *)(ulong)lmb_alloc_base(lmb, sizeof(struct bd_info), 0xf, env_get_bootm_mapsize() + env_get_bootm_low()); if (!*kbd) return -1; **kbd = *gd->bd; debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); if (_DEBUG && IS_ENABLED(CONFIG_CMD_BDI)) do_bdinfo(NULL, 0, 0, NULL); return 0; } int image_setup_linux(struct bootm_headers *images) { ulong of_size = images->ft_len; char **of_flat_tree = &images->ft_addr; struct lmb *lmb = images_lmb(images); int ret; /* This function cannot be called without lmb support */ if (!IS_ENABLED(CONFIG_LMB)) return -EFAULT; if (CONFIG_IS_ENABLED(OF_LIBFDT)) boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); if (IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) { ret = boot_get_cmdline(lmb, &images->cmdline_start, &images->cmdline_end); if (ret) { puts("ERROR with allocation of cmdline\n"); return ret; } } if (CONFIG_IS_ENABLED(OF_LIBFDT)) { ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); if (ret) return ret; } if (CONFIG_IS_ENABLED(OF_LIBFDT) && of_size) { ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); if (ret) return ret; } return 0; } void genimg_print_size(uint32_t size) { printf("%d Bytes = ", size); print_size(size, "\n"); } void genimg_print_time(time_t timestamp) { struct rtc_time tm; rtc_to_tm(timestamp, &tm); printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); } /** * get_default_image() - Return default property from /images * * Return: Pointer to value of default property (or NULL) */ static const char *get_default_image(const void *fit) { int images_noffset; images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); if (images_noffset < 0) return NULL; return fdt_getprop(fit, images_noffset, FIT_DEFAULT_PROP, NULL); } int image_locate_script(void *buf, int size, const char *fit_uname, const char *confname, char **datap, uint *lenp) { const struct legacy_img_hdr *hdr; const void *fit_data; const void *fit_hdr; size_t fit_len; int noffset; int verify; ulong len; u32 *data; verify = env_get_yesno("verify"); switch (genimg_get_format(buf)) { case IMAGE_FORMAT_LEGACY: if (!IS_ENABLED(CONFIG_LEGACY_IMAGE_FORMAT)) { goto exit_image_format; } else { hdr = buf; if (!image_check_magic(hdr)) { puts("Bad magic number\n"); return 1; } if (!image_check_hcrc(hdr)) { puts("Bad header crc\n"); return 1; } if (verify) { if (!image_check_dcrc(hdr)) { puts("Bad data crc\n"); return 1; } } if (!image_check_type(hdr, IH_TYPE_SCRIPT)) { puts("Bad image type\n"); return 1; } /* get length of script */ data = (u32 *)image_get_data(hdr); len = uimage_to_cpu(*data); if (!len) { puts("Empty Script\n"); return 1; } /* * scripts are just multi-image files with one * component, so seek past the zero-terminated sequence * of image lengths to get to the actual image data */ while (*data++); } break; case IMAGE_FORMAT_FIT: if (!IS_ENABLED(CONFIG_FIT)) { goto exit_image_format; } else { fit_hdr = buf; if (fit_check_format(fit_hdr, IMAGE_SIZE_INVAL)) { puts("Bad FIT image format\n"); return 1; } if (!fit_uname) { /* If confname is empty, use the default */ if (confname && *confname) noffset = fit_conf_get_node(fit_hdr, confname); else noffset = fit_conf_get_node(fit_hdr, NULL); if (noffset < 0) { if (!confname) goto fallback; printf("Could not find config %s\n", confname); return 1; } if (verify && fit_config_verify(fit_hdr, noffset)) return 1; noffset = fit_conf_get_prop_node(fit_hdr, noffset, FIT_SCRIPT_PROP, IH_PHASE_NONE); if (noffset < 0) { if (!confname) goto fallback; printf("Could not find script in %s\n", confname); return 1; } } else { fallback: if (!fit_uname || !*fit_uname) fit_uname = get_default_image(fit_hdr); if (!fit_uname) { puts("No FIT subimage unit name\n"); return 1; } /* get script component image node offset */ noffset = fit_image_get_node(fit_hdr, fit_uname); if (noffset < 0) { printf("Can't find '%s' FIT subimage\n", fit_uname); return 1; } } if (!fit_image_check_type(fit_hdr, noffset, IH_TYPE_SCRIPT)) { puts("Not a image image\n"); return 1; } /* verify integrity */ if (verify && !fit_image_verify(fit_hdr, noffset)) { puts("Bad Data Hash\n"); return 1; } /* get script subimage data address and length */ if (fit_image_get_data_and_size(fit_hdr, noffset, &fit_data, &fit_len)) { puts("Could not find script subimage data\n"); return 1; } data = (u32 *)fit_data; len = (ulong)fit_len; } break; default: goto exit_image_format; } *datap = (char *)data; *lenp = len; return 0; exit_image_format: puts("Wrong image format for \"source\" command\n"); return -EPERM; }