/* * (C) Copyright 2008 Semihalf * * (C) Copyright 2000-2006 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef USE_HOSTCC #include <common.h> #include <watchdog.h> #ifdef CONFIG_SHOW_BOOT_PROGRESS #include <status_led.h> #endif #ifdef CONFIG_HAS_DATAFLASH #include <dataflash.h> #endif #ifdef CONFIG_LOGBUFFER #include <logbuff.h> #endif #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) #include <rtc.h> #endif #include <image.h> #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) #include <fdt.h> #include <libfdt.h> #include <fdt_support.h> #endif #if defined(CONFIG_FIT) #include <md5.h> #include <sha1.h> static int fit_check_ramdisk (const void *fit, int os_noffset, uint8_t arch, int verify); #endif #ifdef CONFIG_CMD_BDI extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); #endif DECLARE_GLOBAL_DATA_PTR; static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, int verify); #else #include "mkimage.h" #include <md5.h> #include <time.h> #include <image.h> #endif /* !USE_HOSTCC*/ typedef struct table_entry { int id; /* as defined in image.h */ char *sname; /* short (input) name */ char *lname; /* long (output) name */ } table_entry_t; static table_entry_t uimage_arch[] = { { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, { IH_ARCH_ALPHA, "alpha", "Alpha", }, { IH_ARCH_ARM, "arm", "ARM", }, { IH_ARCH_I386, "x86", "Intel x86", }, { IH_ARCH_IA64, "ia64", "IA64", }, { IH_ARCH_M68K, "m68k", "M68K", }, { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, { IH_ARCH_MIPS, "mips", "MIPS", }, { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, { IH_ARCH_NIOS, "nios", "NIOS", }, { IH_ARCH_NIOS2, "nios2", "NIOS II", }, { IH_ARCH_PPC, "ppc", "PowerPC", }, { IH_ARCH_S390, "s390", "IBM S390", }, { IH_ARCH_SH, "sh", "SuperH", }, { IH_ARCH_SPARC, "sparc", "SPARC", }, { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, { IH_ARCH_AVR32, "avr32", "AVR32", }, { -1, "", "", }, }; static table_entry_t uimage_os[] = { { IH_OS_INVALID, NULL, "Invalid OS", }, #if defined(CONFIG_ARTOS) || defined(USE_HOSTCC) { IH_OS_ARTOS, "artos", "ARTOS", }, #endif { IH_OS_LINUX, "linux", "Linux", }, #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) { IH_OS_LYNXOS, "lynxos", "LynxOS", }, #endif { IH_OS_NETBSD, "netbsd", "NetBSD", }, { IH_OS_RTEMS, "rtems", "RTEMS", }, { IH_OS_U_BOOT, "u-boot", "U-Boot", }, #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) { IH_OS_QNX, "qnx", "QNX", }, { IH_OS_VXWORKS, "vxworks", "VxWorks", }, #endif #ifdef USE_HOSTCC { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, { IH_OS_DELL, "dell", "Dell", }, { IH_OS_ESIX, "esix", "Esix", }, { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, { IH_OS_IRIX, "irix", "Irix", }, { IH_OS_NCR, "ncr", "NCR", }, { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, { IH_OS_PSOS, "psos", "pSOS", }, { IH_OS_SCO, "sco", "SCO", }, { IH_OS_SOLARIS, "solaris", "Solaris", }, { IH_OS_SVR4, "svr4", "SVR4", }, #endif { -1, "", "", }, }; static table_entry_t uimage_type[] = { { IH_TYPE_INVALID, NULL, "Invalid Image", }, { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, { IH_TYPE_MULTI, "multi", "Multi-File Image", }, { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, { IH_TYPE_SCRIPT, "script", "Script", }, { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, { -1, "", "", }, }; static table_entry_t uimage_comp[] = { { IH_COMP_NONE, "none", "uncompressed", }, { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, { IH_COMP_GZIP, "gzip", "gzip compressed", }, { -1, "", "", }, }; unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); static void genimg_print_size (uint32_t size); #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) static void genimg_print_time (time_t timestamp); #endif /*****************************************************************************/ /* Legacy format routines */ /*****************************************************************************/ int image_check_hcrc (image_header_t *hdr) { ulong hcrc; ulong len = image_get_header_size (); image_header_t header; /* Copy header so we can blank CRC field for re-calculation */ memmove (&header, (char *)hdr, image_get_header_size ()); image_set_hcrc (&header, 0); hcrc = crc32 (0, (unsigned char *)&header, len); return (hcrc == image_get_hcrc (hdr)); } int image_check_dcrc (image_header_t *hdr) { ulong data = image_get_data (hdr); ulong len = image_get_data_size (hdr); ulong dcrc = crc32 (0, (unsigned char *)data, len); return (dcrc == image_get_dcrc (hdr)); } #ifndef USE_HOSTCC int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz) { ulong dcrc = 0; ulong len = image_get_data_size (hdr); ulong data = image_get_data (hdr); #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) ulong cdata = data; ulong edata = cdata + len; while (cdata < edata) { ulong chunk = edata - cdata; if (chunk > chunksz) chunk = chunksz; dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk); cdata += chunk; WATCHDOG_RESET (); } #else dcrc = crc32 (0, (unsigned char *)data, len); #endif return (dcrc == image_get_dcrc (hdr)); } #endif /* !USE_HOSTCC */ /** * image_multi_count - get component (sub-image) count * @hdr: pointer to the header of the multi component image * * image_multi_count() returns number of components in a multi * component image. * * Note: no checking of the image type is done, caller must pass * a valid multi component image. * * returns: * number of components */ ulong image_multi_count (image_header_t *hdr) { ulong i, count = 0; uint32_t *size; /* get start of the image payload, which in case of multi * component images that points to a table of component sizes */ size = (uint32_t *)image_get_data (hdr); /* count non empty slots */ for (i = 0; size[i]; ++i) count++; return count; } /** * image_multi_getimg - get component data address and size * @hdr: pointer to the header of the multi component image * @idx: index of the requested component * @data: pointer to a ulong variable, will hold component data address * @len: pointer to a ulong variable, will hold component size * * image_multi_getimg() returns size and data address for the requested * component in a multi component image. * * Note: no checking of the image type is done, caller must pass * a valid multi component image. * * returns: * data address and size of the component, if idx is valid * 0 in data and len, if idx is out of range */ void image_multi_getimg (image_header_t *hdr, ulong idx, ulong *data, ulong *len) { int i; uint32_t *size; ulong offset, tail, count, img_data; /* get number of component */ count = image_multi_count (hdr); /* get start of the image payload, which in case of multi * component images that points to a table of component sizes */ size = (uint32_t *)image_get_data (hdr); /* get address of the proper component data start, which means * skipping sizes table (add 1 for last, null entry) */ img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); if (idx < count) { *len = uimage_to_cpu (size[idx]); offset = 0; tail = 0; /* go over all indices preceding requested component idx */ for (i = 0; i < idx; i++) { /* add up i-th component size */ offset += uimage_to_cpu (size[i]); /* add up alignment for i-th component */ tail += (4 - uimage_to_cpu (size[i]) % 4); } /* calculate idx-th component data address */ *data = img_data + offset + tail; } else { *len = 0; *data = 0; } } static void image_print_type (image_header_t *hdr) { const char *os, *arch, *type, *comp; os = genimg_get_os_name (image_get_os (hdr)); arch = genimg_get_arch_name (image_get_arch (hdr)); type = genimg_get_type_name (image_get_type (hdr)); comp = genimg_get_comp_name (image_get_comp (hdr)); printf ("%s %s %s (%s)\n", arch, os, type, comp); } /** * __image_print_contents - prints out the contents of the legacy format image * @hdr: 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 */ static void __image_print_contents (image_header_t *hdr, const char *p) { printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) printf ("%sCreated: ", p); genimg_print_time ((time_t)image_get_time (hdr)); #endif 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); } } } } inline void image_print_contents (image_header_t *hdr) { __image_print_contents (hdr, " "); } inline void image_print_contents_noindent (image_header_t *hdr) { __image_print_contents (hdr, ""); } #ifndef USE_HOSTCC /** * 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. * * If dataflash support is enabled routine checks for dataflash addresses * and handles required dataflash reads. * * returns: * pointer to a ramdisk image header, if image was found and valid * otherwise, return NULL */ static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, int verify) { image_header_t *rd_hdr = (image_header_t *)rd_addr; if (!image_check_magic (rd_hdr)) { puts ("Bad Magic Number\n"); show_boot_progress (-10); return NULL; } if (!image_check_hcrc (rd_hdr)) { puts ("Bad Header Checksum\n"); show_boot_progress (-11); return NULL; } show_boot_progress (10); image_print_contents (rd_hdr); if (verify) { puts(" Verifying Checksum ... "); if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { puts ("Bad Data CRC\n"); show_boot_progress (-12); return NULL; } puts("OK\n"); } show_boot_progress (11); 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)); show_boot_progress (-13); return NULL; } return rd_hdr; } #endif /* !USE_HOSTCC */ /*****************************************************************************/ /* Shared dual-format routines */ /*****************************************************************************/ #ifndef USE_HOSTCC int getenv_verify (void) { char *s = getenv ("verify"); return (s && (*s == 'n')) ? 0 : 1; } int getenv_autostart (void) { char *s = getenv ("autostart"); return (s && (*s == 'n')) ? 0 : 1; } ulong getenv_bootm_low(void) { char *s = getenv ("bootm_low"); if (s) { ulong tmp = simple_strtoul (s, NULL, 16); return tmp; } #if defined(CFG_SDRAM_BASE) return CFG_SDRAM_BASE; #elif defined(CONFIG_ARM) return gd->bd->bi_dram[0].start; #else return 0; #endif } ulong getenv_bootm_size(void) { char *s = getenv ("bootm_size"); if (s) { ulong tmp = simple_strtoul (s, NULL, 16); return tmp; } #if defined(CONFIG_ARM) return gd->bd->bi_dram[0].size; #else return gd->bd->bi_memsize; #endif } void memmove_wd (void *to, void *from, size_t len, ulong chunksz) { #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) while (len > 0) { size_t tail = (len > chunksz) ? chunksz : len; WATCHDOG_RESET (); memmove (to, from, tail); to += tail; from += tail; len -= tail; } #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ memmove (to, from, len); #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ } #endif /* !USE_HOSTCC */ static void genimg_print_size (uint32_t size) { #ifndef USE_HOSTCC printf ("%d Bytes = ", size); print_size (size, "\n"); #else printf ("%d Bytes = %.2f kB = %.2f MB\n", size, (double)size / 1.024e3, (double)size / 1.048576e6); #endif } #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) static void genimg_print_time (time_t timestamp) { #ifndef USE_HOSTCC struct rtc_time tm; 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); #else printf ("%s", ctime(×tamp)); #endif } #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ /** * get_table_entry_name - translate entry id to long name * @table: pointer to a translation table for entries of a specific type * @msg: message to be returned when translation fails * @id: entry id to be translated * * get_table_entry_name() will go over translation table trying to find * entry that matches given id. If matching entry is found, its long * name is returned to the caller. * * returns: * long entry name if translation succeeds * msg otherwise */ static char *get_table_entry_name (table_entry_t *table, char *msg, int id) { for (; table->id >= 0; ++table) { if (table->id == id) return (table->lname); } return (msg); } const char *genimg_get_os_name (uint8_t os) { return (get_table_entry_name (uimage_os, "Unknown OS", os)); } const char *genimg_get_arch_name (uint8_t arch) { return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); } const char *genimg_get_type_name (uint8_t type) { return (get_table_entry_name (uimage_type, "Unknown Image", type)); } const char *genimg_get_comp_name (uint8_t comp) { return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); } /** * get_table_entry_id - translate short entry name to id * @table: pointer to a translation table for entries of a specific type * @table_name: to be used in case of error * @name: entry short name to be translated * * get_table_entry_id() will go over translation table trying to find * entry that matches given short name. If matching entry is found, * its id returned to the caller. * * returns: * entry id if translation succeeds * -1 otherwise */ static int get_table_entry_id (table_entry_t *table, const char *table_name, const char *name) { table_entry_t *t; #ifdef USE_HOSTCC int first = 1; for (t = table; t->id >= 0; ++t) { if (t->sname && strcasecmp(t->sname, name) == 0) return (t->id); } fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); for (t = table; t->id >= 0; ++t) { if (t->sname == NULL) continue; fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); first = 0; } fprintf (stderr, "\n"); #else for (t = table; t->id >= 0; ++t) { if (t->sname && strcmp(t->sname, name) == 0) return (t->id); } debug ("Invalid %s Type: %s\n", table_name, name); #endif /* USE_HOSTCC */ return (-1); } int genimg_get_os_id (const char *name) { return (get_table_entry_id (uimage_os, "OS", name)); } int genimg_get_arch_id (const char *name) { return (get_table_entry_id (uimage_arch, "CPU", name)); } int genimg_get_type_id (const char *name) { return (get_table_entry_id (uimage_type, "Image", name)); } int genimg_get_comp_id (const char *name) { return (get_table_entry_id (uimage_comp, "Compression", name)); } #ifndef USE_HOSTCC /** * 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 (void *img_addr) { ulong format = IMAGE_FORMAT_INVALID; image_header_t *hdr; #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) char *fit_hdr; #endif hdr = (image_header_t *)img_addr; if (image_check_magic(hdr)) format = IMAGE_FORMAT_LEGACY; #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) else { fit_hdr = (char *)img_addr; if (fdt_check_header (fit_hdr) == 0) format = IMAGE_FORMAT_FIT; } #endif return format; } /** * genimg_get_image - get image from special storage (if necessary) * @img_addr: image start address * * genimg_get_image() checks if provided image start adddress is located * in a dataflash storage. If so, image is moved to a system RAM memory. * * returns: * image start address after possible relocation from special storage */ ulong genimg_get_image (ulong img_addr) { ulong ram_addr = img_addr; #ifdef CONFIG_HAS_DATAFLASH ulong h_size, d_size; if (addr_dataflash (img_addr)){ /* ger RAM address */ ram_addr = CFG_LOAD_ADDR; /* get header size */ h_size = image_get_header_size (); #if defined(CONFIG_FIT) if (sizeof(struct fdt_header) > h_size) h_size = sizeof(struct fdt_header); #endif /* read in header */ debug (" Reading image header from dataflash address " "%08lx to RAM address %08lx\n", img_addr, ram_addr); read_dataflash (img_addr, h_size, (char *)ram_addr); /* get data size */ switch (genimg_get_format ((void *)ram_addr)) { case IMAGE_FORMAT_LEGACY: d_size = image_get_data_size ((image_header_t *)ram_addr); debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", ram_addr, d_size); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: d_size = fit_get_size ((const void *)ram_addr) - h_size; debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", ram_addr, d_size); break; #endif default: printf (" No valid image found at 0x%08lx\n", img_addr); return ram_addr; } /* read in image data */ debug (" Reading image remaining data from dataflash address " "%08lx to RAM address %08lx\n", img_addr + h_size, ram_addr + h_size); read_dataflash (img_addr + h_size, d_size, (char *)(ram_addr + h_size)); } #endif /* CONFIG_HAS_DATAFLASH */ return ram_addr; } /** * 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 (bootm_headers_t *images) { #if defined(CONFIG_FIT) if (images->fit_uname_cfg) return 1; #endif 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. * Curently 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 * rd_start and rd_end are set to 0 if no ramdisk exists */ int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, uint8_t arch, ulong *rd_start, ulong *rd_end) { ulong rd_addr, rd_load; ulong rd_data, rd_len; image_header_t *rd_hdr; #if defined(CONFIG_FIT) void *fit_hdr; const char *fit_uname_config = NULL; const char *fit_uname_ramdisk = NULL; ulong default_addr; int rd_noffset; int cfg_noffset; const void *data; size_t size; #endif *rd_start = 0; *rd_end = 0; /* * Look for a '-' which indicates to ignore the * ramdisk argument */ if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { debug ("## Skipping init Ramdisk\n"); rd_len = rd_data = 0; } else if (argc >= 3 || genimg_has_config (images)) { #if defined(CONFIG_FIT) if (argc >= 3) { /* * 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 = load_addr; if (fit_parse_conf (argv[2], default_addr, &rd_addr, &fit_uname_config)) { debug ("* ramdisk: config '%s' from image at 0x%08lx\n", fit_uname_config, rd_addr); } else if (fit_parse_subimage (argv[2], default_addr, &rd_addr, &fit_uname_ramdisk)) { debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", fit_uname_ramdisk, rd_addr); } else #endif { rd_addr = simple_strtoul(argv[2], NULL, 16); debug ("* ramdisk: cmdline image address = 0x%08lx\n", rd_addr); } #if defined(CONFIG_FIT) } else { /* use FIT configuration provided in first bootm * command argument */ rd_addr = (ulong)images->fit_hdr_os; fit_uname_config = images->fit_uname_cfg; debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", fit_uname_config, rd_addr); /* * Check whether configuration has ramdisk defined, * if not, don't try to use it, quit silently. */ fit_hdr = (void *)rd_addr; cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); if (cfg_noffset < 0) { debug ("* ramdisk: no such config\n"); return 0; } rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); if (rd_noffset < 0) { debug ("* ramdisk: no ramdisk in config\n"); return 0; } } #endif /* copy from dataflash if needed */ rd_addr = genimg_get_image (rd_addr); /* * 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. */ switch (genimg_get_format ((void *)rd_addr)) { case IMAGE_FORMAT_LEGACY: printf ("## Loading init Ramdisk from Legacy " "Image at %08lx ...\n", rd_addr); show_boot_progress (9); rd_hdr = image_get_ramdisk (rd_addr, arch, images->verify); if (rd_hdr == NULL) return 1; rd_data = image_get_data (rd_hdr); rd_len = image_get_data_size (rd_hdr); rd_load = image_get_load (rd_hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: fit_hdr = (void *)rd_addr; printf ("## Loading init Ramdisk from FIT " "Image at %08lx ...\n", rd_addr); show_boot_progress (120); if (!fit_check_format (fit_hdr)) { puts ("Bad FIT ramdisk image format!\n"); show_boot_progress (-120); return 0; } show_boot_progress (121); if (!fit_uname_ramdisk) { /* * no ramdisk 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 (122); cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); if (cfg_noffset < 0) { puts ("Could not find configuration node\n"); show_boot_progress (-122); return 0; } fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); printf (" Using '%s' configuration\n", fit_uname_config); rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); } else { /* get ramdisk component image node offset */ show_boot_progress (123); rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); } if (rd_noffset < 0) { puts ("Could not find subimage node\n"); show_boot_progress (-124); return 0; } printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); show_boot_progress (125); if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) return 0; /* get ramdisk image data address and length */ if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { puts ("Could not find ramdisk subimage data!\n"); show_boot_progress (-127); return 0; } show_boot_progress (128); rd_data = (ulong)data; rd_len = size; if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { puts ("Can't get ramdisk subimage load address!\n"); show_boot_progress (-129); return 0; } show_boot_progress (129); images->fit_hdr_rd = fit_hdr; images->fit_uname_rd = fit_uname_ramdisk; images->fit_noffset_rd = rd_noffset; break; #endif default: puts ("Wrong Ramdisk Image Format\n"); rd_data = rd_len = rd_load = 0; } #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) /* * We need to copy the ramdisk to SRAM to let Linux boot */ if (rd_data) { memmove ((void *)rd_load, (uchar *)rd_data, rd_len); rd_data = rd_load; } #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ } else if (images->legacy_hdr_valid && image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { /* * Now check if we have a legacy mult-component image, * get second entry data start address and len. */ show_boot_progress (13); 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 */ show_boot_progress (14); rd_len = 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; } #if defined(CONFIG_PPC) || defined(CONFIG_M68K) /** * 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" environement * 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; if ((s = getenv ("initrd_high")) != NULL) { /* a value of "no" or a similar string will act like 0, * turning the "load high" feature off. This is intentional. */ initrd_high = simple_strtoul (s, NULL, 16); if (initrd_high == ~0) initrd_copy_to_ram = 0; } else { /* not set, no restrictions to load high */ initrd_high = ~0; } 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 = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); else *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); if (*initrd_start == 0) { puts ("ramdisk - allocation error\n"); goto error; } show_boot_progress (12); *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); 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; } /** * 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 * @bootmap_base: ulong variable, holds offset in physical memory to * base of bootmap * * boot_get_cmdline() allocates space for kernel command line below * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt * 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, ulong bootmap_base) { char *cmdline; char *s; cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, CFG_BOOTMAPSZ + bootmap_base); if (cmdline == NULL) return -1; if ((s = getenv("bootargs")) == NULL) s = ""; strcpy(cmdline, s); *cmd_start = (ulong) & cmdline[0]; *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 * @bootmap_base: ulong variable, holds offset in physical memory to * base of bootmap * * boot_get_kbd() allocates space for kernel copy of board info data below * BOOTMAPSZ + bootmap_base 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, bd_t **kbd, ulong bootmap_base) { *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, CFG_BOOTMAPSZ + bootmap_base); if (*kbd == NULL) return -1; **kbd = *(gd->bd); debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); #if defined(DEBUG) && defined(CONFIG_CMD_BDI) do_bdinfo(NULL, 0, 0, NULL); #endif return 0; } #endif /* CONFIG_PPC || CONFIG_M68K */ #endif /* !USE_HOSTCC */ #if defined(CONFIG_FIT) /*****************************************************************************/ /* New uImage format routines */ /*****************************************************************************/ #ifndef USE_HOSTCC static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, ulong *addr, const char **name) { const char *sep; *addr = addr_curr; *name = NULL; sep = strchr (spec, sepc); if (sep) { if (sep - spec > 0) *addr = simple_strtoul (spec, NULL, 16); *name = sep + 1; return 1; } return 0; } /** * fit_parse_conf - parse FIT configuration spec * @spec: input string, containing configuration spec * @add_curr: current image address (to be used as a possible default) * @addr: pointer to a ulong variable, will hold FIT image address of a given * configuration * @conf_name double pointer to a char, will hold pointer to a configuration * unit name * * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, * where <addr> is a FIT image address that contains configuration * with a <conf> unit name. * * Address part is optional, and if omitted default add_curr will * be used instead. * * returns: * 1 if spec is a valid configuration string, * addr and conf_name are set accordingly * 0 otherwise */ inline int fit_parse_conf (const char *spec, ulong addr_curr, ulong *addr, const char **conf_name) { return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); } /** * fit_parse_subimage - parse FIT subimage spec * @spec: input string, containing subimage spec * @add_curr: current image address (to be used as a possible default) * @addr: pointer to a ulong variable, will hold FIT image address of a given * subimage * @image_name: double pointer to a char, will hold pointer to a subimage name * * fit_parse_subimage() expects subimage spec in the for of * [<addr>]:<subimage>, where <addr> is a FIT image address that contains * subimage with a <subimg> unit name. * * Address part is optional, and if omitted default add_curr will * be used instead. * * returns: * 1 if spec is a valid subimage string, * addr and image_name are set accordingly * 0 otherwise */ inline int fit_parse_subimage (const char *spec, ulong addr_curr, ulong *addr, const char **image_name) { return fit_parse_spec (spec, ':', addr_curr, addr, image_name); } #endif /* !USE_HOSTCC */ static void fit_get_debug (const void *fit, int noffset, char *prop_name, int err) { debug ("Can't get '%s' property from FIT 0x%08lx, " "node: offset %d, name %s (%s)\n", prop_name, (ulong)fit, noffset, fit_get_name (fit, noffset, NULL), fdt_strerror (err)); } /** * __fit_print_contents - prints out the contents of the FIT format image * @fit: pointer to the FIT format image header * @p: pointer to prefix string * * __fit_print_contents() formats a multi line FIT image contents description. * The routine prints out FIT image properties (root node level) follwed by * the details of each component image. * * returns: * no returned results */ static void __fit_print_contents (const void *fit, const char *p) { char *desc; char *uname; int images_noffset; int confs_noffset; int noffset; int ndepth; int count = 0; int ret; #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) time_t timestamp; #endif /* Root node properties */ ret = fit_get_desc (fit, 0, &desc); printf ("%sFIT description: ", p); if (ret) printf ("unavailable\n"); else printf ("%s\n", desc); #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) ret = fit_get_timestamp (fit, 0, ×tamp); printf ("%sCreated: ", p); if (ret) printf ("unavailable\n"); else genimg_print_time (timestamp); #endif /* Find images parent node offset */ images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); if (images_noffset < 0) { printf ("Can't find images parent node '%s' (%s)\n", FIT_IMAGES_PATH, fdt_strerror (images_noffset)); return; } /* Process its subnodes, print out component images details */ for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); (noffset >= 0) && (ndepth > 0); noffset = fdt_next_node (fit, noffset, &ndepth)) { if (ndepth == 1) { /* * Direct child node of the images parent node, * i.e. component image node. */ printf ("%s Image %u (%s)\n", p, count++, fit_get_name(fit, noffset, NULL)); fit_image_print (fit, noffset, p); } } /* Find configurations parent node offset */ confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); if (confs_noffset < 0) { debug ("Can't get configurations parent node '%s' (%s)\n", FIT_CONFS_PATH, fdt_strerror (confs_noffset)); return; } /* get default configuration unit name from default property */ uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); if (uname) printf ("%s Default Configuration: '%s'\n", p, uname); /* Process its subnodes, print out configurations details */ for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); (noffset >= 0) && (ndepth > 0); noffset = fdt_next_node (fit, noffset, &ndepth)) { if (ndepth == 1) { /* * Direct child node of the configurations parent node, * i.e. configuration node. */ printf ("%s Configuration %u (%s)\n", p, count++, fit_get_name(fit, noffset, NULL)); fit_conf_print (fit, noffset, p); } } } inline void fit_print_contents (const void *fit) { __fit_print_contents (fit, " "); } inline void fit_print_contents_noindent (const void *fit) { __fit_print_contents (fit, ""); } /** * fit_image_print - prints out the FIT component image details * @fit: pointer to the FIT format image header * @image_noffset: offset of the component image node * @p: pointer to prefix string * * fit_image_print() lists all mandatory properies for the processed component * image. If present, hash nodes are printed out as well. * * returns: * no returned results */ void fit_image_print (const void *fit, int image_noffset, const char *p) { char *desc; uint8_t type, arch, os, comp; size_t size; ulong load, entry; const void *data; int noffset; int ndepth; int ret; /* Mandatory properties */ ret = fit_get_desc (fit, image_noffset, &desc); printf ("%s Description: ", p); if (ret) printf ("unavailable\n"); else printf ("%s\n", desc); fit_image_get_type (fit, image_noffset, &type); printf ("%s Type: %s\n", p, genimg_get_type_name (type)); fit_image_get_comp (fit, image_noffset, &comp); printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); ret = fit_image_get_data (fit, image_noffset, &data, &size); #ifndef USE_HOSTCC printf ("%s Data Start: ", p); if (ret) printf ("unavailable\n"); else printf ("0x%08lx\n", (ulong)data); #endif printf ("%s Data Size: ", p); if (ret) printf ("unavailable\n"); else genimg_print_size (size); /* Remaining, type dependent properties */ if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_FLATDT)) { fit_image_get_arch (fit, image_noffset, &arch); printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); } if (type == IH_TYPE_KERNEL) { fit_image_get_os (fit, image_noffset, &os); printf ("%s OS: %s\n", p, genimg_get_os_name (os)); } if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { ret = fit_image_get_load (fit, image_noffset, &load); printf ("%s Load Address: ", p); if (ret) printf ("unavailable\n"); else printf ("0x%08lx\n", load); fit_image_get_entry (fit, image_noffset, &entry); printf ("%s Entry Point: ", p); if (ret) printf ("unavailable\n"); else printf ("0x%08lx\n", entry); } /* Process all hash subnodes of the component image node */ for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); (noffset >= 0) && (ndepth > 0); noffset = fdt_next_node (fit, noffset, &ndepth)) { if (ndepth == 1) { /* Direct child node of the component image node */ fit_image_print_hash (fit, noffset, p); } } } /** * fit_image_print_hash - prints out the hash node details * @fit: pointer to the FIT format image header * @noffset: offset of the hash node * @p: pointer to prefix string * * fit_image_print_hash() lists properies for the processed hash node * * returns: * no returned results */ void fit_image_print_hash (const void *fit, int noffset, const char *p) { char *algo; uint8_t *value; int value_len; int i, ret; /* * Check subnode name, must be equal to "hash". * Multiple hash nodes require unique unit node * names, e.g. hash@1, hash@2, etc. */ if (strncmp (fit_get_name(fit, noffset, NULL), FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME)) != 0) return; debug ("%s Hash node: '%s'\n", p, fit_get_name (fit, noffset, NULL)); printf ("%s Hash algo: ", p); if (fit_image_hash_get_algo (fit, noffset, &algo)) { printf ("invalid/unsupported\n"); return; } printf ("%s\n", algo); ret = fit_image_hash_get_value (fit, noffset, &value, &value_len); printf ("%s Hash value: ", p); if (ret) { printf ("unavailable\n"); } else { for (i = 0; i < value_len; i++) printf ("%02x", value[i]); printf ("\n"); } debug ("%s Hash len: %d\n", p, value_len); } /** * fit_get_desc - get node description property * @fit: pointer to the FIT format image header * @noffset: node offset * @desc: double pointer to the char, will hold pointer to the descrption * * fit_get_desc() reads description property from a given node, if * description is found pointer to it is returened in third call argument. * * returns: * 0, on success * -1, on failure */ int fit_get_desc (const void *fit, int noffset, char **desc) { int len; *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); if (*desc == NULL) { fit_get_debug (fit, noffset, FIT_DESC_PROP, len); return -1; } return 0; } /** * fit_get_timestamp - get node timestamp property * @fit: pointer to the FIT format image header * @noffset: node offset * @timestamp: pointer to the time_t, will hold read timestamp * * fit_get_timestamp() reads timestamp poperty from given node, if timestamp * is found and has a correct size its value is retured in third call * argument. * * returns: * 0, on success * -1, on property read failure * -2, on wrong timestamp size */ int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) { int len; const void *data; data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); if (data == NULL) { fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); return -1; } if (len != sizeof (uint32_t)) { debug ("FIT timestamp with incorrect size of (%u)\n", len); return -2; } *timestamp = uimage_to_cpu (*((uint32_t *)data)); return 0; } /** * fit_image_get_node - get node offset for component image of a given unit name * @fit: pointer to the FIT format image header * @image_uname: component image node unit name * * fit_image_get_node() finds a component image (withing the '/images' * node) of a provided unit name. If image is found its node offset is * returned to the caller. * * returns: * image node offset when found (>=0) * negative number on failure (FDT_ERR_* code) */ int fit_image_get_node (const void *fit, const char *image_uname) { int noffset, images_noffset; images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); if (images_noffset < 0) { debug ("Can't find images parent node '%s' (%s)\n", FIT_IMAGES_PATH, fdt_strerror (images_noffset)); return images_noffset; } noffset = fdt_subnode_offset (fit, images_noffset, image_uname); if (noffset < 0) { debug ("Can't get node offset for image unit name: '%s' (%s)\n", image_uname, fdt_strerror (noffset)); } return noffset; } /** * fit_image_get_os - get os id for a given component image node * @fit: pointer to the FIT format image header * @noffset: component image node offset * @os: pointer to the uint8_t, will hold os numeric id * * fit_image_get_os() finds os property in a given component image node. * If the property is found, its (string) value is translated to the numeric * id which is returned to the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_get_os (const void *fit, int noffset, uint8_t *os) { int len; const void *data; /* Get OS name from property data */ data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); if (data == NULL) { fit_get_debug (fit, noffset, FIT_OS_PROP, len); *os = -1; return -1; } /* Translate OS name to id */ *os = genimg_get_os_id (data); return 0; } /** * fit_image_get_arch - get arch id for a given component image node * @fit: pointer to the FIT format image header * @noffset: component image node offset * @arch: pointer to the uint8_t, will hold arch numeric id * * fit_image_get_arch() finds arch property in a given component image node. * If the property is found, its (string) value is translated to the numeric * id which is returned to the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) { int len; const void *data; /* Get architecture name from property data */ data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); if (data == NULL) { fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); *arch = -1; return -1; } /* Translate architecture name to id */ *arch = genimg_get_arch_id (data); return 0; } /** * fit_image_get_type - get type id for a given component image node * @fit: pointer to the FIT format image header * @noffset: component image node offset * @type: pointer to the uint8_t, will hold type numeric id * * fit_image_get_type() finds type property in a given component image node. * If the property is found, its (string) value is translated to the numeric * id which is returned to the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_get_type (const void *fit, int noffset, uint8_t *type) { int len; const void *data; /* Get image type name from property data */ data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); if (data == NULL) { fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); *type = -1; return -1; } /* Translate image type name to id */ *type = genimg_get_type_id (data); return 0; } /** * fit_image_get_comp - get comp id for a given component image node * @fit: pointer to the FIT format image header * @noffset: component image node offset * @comp: pointer to the uint8_t, will hold comp numeric id * * fit_image_get_comp() finds comp property in a given component image node. * If the property is found, its (string) value is translated to the numeric * id which is returned to the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) { int len; const void *data; /* Get compression name from property data */ data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); if (data == NULL) { fit_get_debug (fit, noffset, FIT_COMP_PROP, len); *comp = -1; return -1; } /* Translate compression name to id */ *comp = genimg_get_comp_id (data); return 0; } /** * fit_image_get_load - get load address property for a given component image node * @fit: pointer to the FIT format image header * @noffset: component image node offset * @load: pointer to the uint32_t, will hold load address * * fit_image_get_load() finds load address property in a given component image node. * If the property is found, its value is returned to the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_get_load (const void *fit, int noffset, ulong *load) { int len; const uint32_t *data; data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); if (data == NULL) { fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); return -1; } *load = uimage_to_cpu (*data); return 0; } /** * fit_image_get_entry - get entry point address property for a given component image node * @fit: pointer to the FIT format image header * @noffset: component image node offset * @entry: pointer to the uint32_t, will hold entry point address * * fit_image_get_entry() finds entry point address property in a given component image node. * If the property is found, its value is returned to the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_get_entry (const void *fit, int noffset, ulong *entry) { int len; const uint32_t *data; data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); if (data == NULL) { fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); return -1; } *entry = uimage_to_cpu (*data); return 0; } /** * fit_image_get_data - get data property and its size for a given component image node * @fit: pointer to the FIT format image header * @noffset: component image node offset * @data: double pointer to void, will hold data property's data address * @size: pointer to size_t, will hold data property's data size * * fit_image_get_data() finds data property in a given component image node. * If the property is found its data start address and size are returned to * the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_get_data (const void *fit, int noffset, const void **data, size_t *size) { int len; *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); if (*data == NULL) { fit_get_debug (fit, noffset, FIT_DATA_PROP, len); *size = 0; return -1; } *size = len; return 0; } /** * fit_image_hash_get_algo - get hash algorithm name * @fit: pointer to the FIT format image header * @noffset: hash node offset * @algo: double pointer to char, will hold pointer to the algorithm name * * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. * If the property is found its data start address is returned to the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) { int len; *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); if (*algo == NULL) { fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); return -1; } return 0; } /** * fit_image_hash_get_value - get hash value and length * @fit: pointer to the FIT format image header * @noffset: hash node offset * @value: double pointer to uint8_t, will hold address of a hash value data * @value_len: pointer to an int, will hold hash data length * * fit_image_hash_get_value() finds hash value property in a given hash node. * If the property is found its data start address and size are returned to * the caller. * * returns: * 0, on success * -1, on failure */ int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, int *value_len) { int len; *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); if (*value == NULL) { fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); *value_len = 0; return -1; } *value_len = len; return 0; } /** * fit_set_timestamp - set node timestamp property * @fit: pointer to the FIT format image header * @noffset: node offset * @timestamp: timestamp value to be set * * fit_set_timestamp() attempts to set timestamp property in the requested * node and returns operation status to the caller. * * returns: * 0, on success * -1, on property read failure */ int fit_set_timestamp (void *fit, int noffset, time_t timestamp) { uint32_t t; int ret; t = cpu_to_uimage (timestamp); ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, sizeof (uint32_t)); if (ret) { printf ("Can't set '%s' property for '%s' node (%s)\n", FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), fdt_strerror (ret)); return -1; } return 0; } /** * calculate_hash - calculate and return hash for provided input data * @data: pointer to the input data * @data_len: data length * @algo: requested hash algorithm * @value: pointer to the char, will hold hash value data (caller must * allocate enough free space) * value_len: length of the calculated hash * * calculate_hash() computes input data hash according to the requested algorithm. * Resulting hash value is placed in caller provided 'value' buffer, length * of the calculated hash is returned via value_len pointer argument. * * returns: * 0, on success * -1, when algo is unsupported */ static int calculate_hash (const void *data, int data_len, const char *algo, uint8_t *value, int *value_len) { if (strcmp (algo, "crc32") == 0 ) { *((uint32_t *)value) = crc32 (0, data, data_len); *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); *value_len = 4; } else if (strcmp (algo, "sha1") == 0 ) { sha1_csum ((unsigned char *) data, data_len, (unsigned char *) value); *value_len = 20; } else if (strcmp (algo, "md5") == 0 ) { md5 ((unsigned char *)data, data_len, value); *value_len = 16; } else { debug ("Unsupported hash alogrithm\n"); return -1; } return 0; } #ifdef USE_HOSTCC /** * fit_set_hashes - process FIT component image nodes and calculate hashes * @fit: pointer to the FIT format image header * * fit_set_hashes() adds hash values for all component images in the FIT blob. * Hashes are calculated for all component images which have hash subnodes * with algorithm property set to one of the supported hash algorithms. * * returns * 0, on success * libfdt error code, on failure */ int fit_set_hashes (void *fit) { int images_noffset; int noffset; int ndepth; int ret; /* Find images parent node offset */ images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); if (images_noffset < 0) { printf ("Can't find images parent node '%s' (%s)\n", FIT_IMAGES_PATH, fdt_strerror (images_noffset)); return images_noffset; } /* Process its subnodes, print out component images details */ for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); (noffset >= 0) && (ndepth > 0); noffset = fdt_next_node (fit, noffset, &ndepth)) { if (ndepth == 1) { /* * Direct child node of the images parent node, * i.e. component image node. */ ret = fit_image_set_hashes (fit, noffset); if (ret) return ret; } } return 0; } /** * fit_image_set_hashes - calculate/set hashes for given component image node * @fit: pointer to the FIT format image header * @image_noffset: requested component image node * * fit_image_set_hashes() adds hash values for an component image node. All * existing hash subnodes are checked, if algorithm property is set to one of * the supported hash algorithms, hash value is computed and corresponding * hash node property is set, for example: * * Input component image node structure: * * o image@1 (at image_noffset) * | - data = [binary data] * o hash@1 * |- algo = "sha1" * * Output component image node structure: * * o image@1 (at image_noffset) * | - data = [binary data] * o hash@1 * |- algo = "sha1" * |- value = sha1(data) * * returns: * 0 on sucess * <0 on failure */ int fit_image_set_hashes (void *fit, int image_noffset) { const void *data; size_t size; char *algo; uint8_t value[FIT_MAX_HASH_LEN]; int value_len; int noffset; int ndepth; /* Get image data and data length */ if (fit_image_get_data (fit, image_noffset, &data, &size)) { printf ("Can't get image data/size\n"); return -1; } /* Process all hash subnodes of the component image node */ for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); (noffset >= 0) && (ndepth > 0); noffset = fdt_next_node (fit, noffset, &ndepth)) { if (ndepth == 1) { /* Direct child node of the component image node */ /* * Check subnode name, must be equal to "hash". * Multiple hash nodes require unique unit node * names, e.g. hash@1, hash@2, etc. */ if (strncmp (fit_get_name(fit, noffset, NULL), FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME)) != 0) { /* Not a hash subnode, skip it */ continue; } if (fit_image_hash_get_algo (fit, noffset, &algo)) { printf ("Can't get hash algo property for " "'%s' hash node in '%s' image node\n", fit_get_name (fit, noffset, NULL), fit_get_name (fit, image_noffset, NULL)); return -1; } if (calculate_hash (data, size, algo, value, &value_len)) { printf ("Unsupported hash algorithm (%s) for " "'%s' hash node in '%s' image node\n", algo, fit_get_name (fit, noffset, NULL), fit_get_name (fit, image_noffset, NULL)); return -1; } if (fit_image_hash_set_value (fit, noffset, value, value_len)) { printf ("Can't set hash value for " "'%s' hash node in '%s' image node\n", fit_get_name (fit, noffset, NULL), fit_get_name (fit, image_noffset, NULL)); return -1; } } } return 0; } /** * fit_image_hash_set_value - set hash value in requested has node * @fit: pointer to the FIT format image header * @noffset: hash node offset * @value: hash value to be set * @value_len: hash value length * * fit_image_hash_set_value() attempts to set hash value in a node at offset * given and returns operation status to the caller. * * returns * 0, on success * -1, on failure */ int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, int value_len) { int ret; ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); if (ret) { printf ("Can't set hash '%s' property for '%s' node (%s)\n", FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), fdt_strerror (ret)); return -1; } return 0; } #endif /* USE_HOSTCC */ /** * fit_image_check_hashes - verify data intergity * @fit: pointer to the FIT format image header * @image_noffset: component image node offset * * fit_image_check_hashes() goes over component image hash nodes, * re-calculates each data hash and compares with the value stored in hash * node. * * returns: * 1, if all hashes are valid * 0, otherwise (or on error) */ int fit_image_check_hashes (const void *fit, int image_noffset) { const void *data; size_t size; char *algo; uint8_t *fit_value; int fit_value_len; uint8_t value[FIT_MAX_HASH_LEN]; int value_len; int noffset; int ndepth; char *err_msg = ""; /* Get image data and data length */ if (fit_image_get_data (fit, image_noffset, &data, &size)) { printf ("Can't get image data/size\n"); return 0; } /* Process all hash subnodes of the component image node */ for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); (noffset >= 0) && (ndepth > 0); noffset = fdt_next_node (fit, noffset, &ndepth)) { if (ndepth == 1) { /* Direct child node of the component image node */ /* * Check subnode name, must be equal to "hash". * Multiple hash nodes require unique unit node * names, e.g. hash@1, hash@2, etc. */ if (strncmp (fit_get_name(fit, noffset, NULL), FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME)) != 0) continue; if (fit_image_hash_get_algo (fit, noffset, &algo)) { err_msg = "Can't get hash algo property"; goto error; } printf ("%s", algo); if (fit_image_hash_get_value (fit, noffset, &fit_value, &fit_value_len)) { err_msg = "Can't get hash value property"; goto error; } if (calculate_hash (data, size, algo, value, &value_len)) { err_msg = "Unsupported hash algorithm"; goto error; } if (value_len != fit_value_len) { err_msg = "Bad hash value len"; goto error; } else if (memcmp (value, fit_value, value_len) != 0) { err_msg = "Bad hash value"; goto error; } printf ("+ "); } } return 1; error: printf ("%s for '%s' hash node in '%s' image node\n", err_msg, fit_get_name (fit, noffset, NULL), fit_get_name (fit, image_noffset, NULL)); return 0; } /** * fit_image_check_os - check whether image node is of a given os type * @fit: pointer to the FIT format image header * @noffset: component image node offset * @os: requested image os * * fit_image_check_os() reads image os property and compares its numeric * id with the requested os. Comparison result is returned to the caller. * * returns: * 1 if image is of given os type * 0 otherwise (or on error) */ int fit_image_check_os (const void *fit, int noffset, uint8_t os) { uint8_t image_os; if (fit_image_get_os (fit, noffset, &image_os)) return 0; return (os == image_os); } /** * fit_image_check_arch - check whether image node is of a given arch * @fit: pointer to the FIT format image header * @noffset: component image node offset * @arch: requested imagearch * * fit_image_check_arch() reads image arch property and compares its numeric * id with the requested arch. Comparison result is returned to the caller. * * returns: * 1 if image is of given arch * 0 otherwise (or on error) */ int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) { uint8_t image_arch; if (fit_image_get_arch (fit, noffset, &image_arch)) return 0; return (arch == image_arch); } /** * fit_image_check_type - check whether image node is of a given type * @fit: pointer to the FIT format image header * @noffset: component image node offset * @type: requested image type * * fit_image_check_type() reads image type property and compares its numeric * id with the requested type. Comparison result is returned to the caller. * * returns: * 1 if image is of given type * 0 otherwise (or on error) */ int fit_image_check_type (const void *fit, int noffset, uint8_t type) { uint8_t image_type; if (fit_image_get_type (fit, noffset, &image_type)) return 0; return (type == image_type); } /** * fit_image_check_comp - check whether image node uses given compression * @fit: pointer to the FIT format image header * @noffset: component image node offset * @comp: requested image compression type * * fit_image_check_comp() reads image compression property and compares its * numeric id with the requested compression type. Comparison result is * returned to the caller. * * returns: * 1 if image uses requested compression * 0 otherwise (or on error) */ int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) { uint8_t image_comp; if (fit_image_get_comp (fit, noffset, &image_comp)) return 0; return (comp == image_comp); } /** * fit_check_format - sanity check FIT image format * @fit: pointer to the FIT format image header * * fit_check_format() runs a basic sanity FIT image verification. * Routine checks for mandatory properties, nodes, etc. * * returns: * 1, on success * 0, on failure */ int fit_check_format (const void *fit) { /* mandatory / node 'description' property */ if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { debug ("Wrong FIT format: no description\n"); return 0; } #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) /* mandatory / node 'timestamp' property */ if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { debug ("Wrong FIT format: no description\n"); return 0; } #endif /* mandatory subimages parent '/images' node */ if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { debug ("Wrong FIT format: no images parent node\n"); return 0; } return 1; } /** * fit_conf_get_node - get node offset for configuration of a given unit name * @fit: pointer to the FIT format image header * @conf_uname: configuration node unit name * * fit_conf_get_node() finds a configuration (withing the '/configurations' * parant node) of a provided unit name. If configuration is found its node offset * is returned to the caller. * * When NULL is provided in second argument fit_conf_get_node() will search * for a default configuration node instead. Default configuration node unit name * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. * * returns: * configuration node offset when found (>=0) * negative number on failure (FDT_ERR_* code) */ int fit_conf_get_node (const void *fit, const char *conf_uname) { int noffset, confs_noffset; int len; confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); if (confs_noffset < 0) { debug ("Can't find configurations parent node '%s' (%s)\n", FIT_CONFS_PATH, fdt_strerror (confs_noffset)); return confs_noffset; } if (conf_uname == NULL) { /* get configuration unit name from the default property */ debug ("No configuration specified, trying default...\n"); conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); if (conf_uname == NULL) { fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); return len; } debug ("Found default configuration: '%s'\n", conf_uname); } noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); if (noffset < 0) { debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", conf_uname, fdt_strerror (noffset)); } return noffset; } static int __fit_conf_get_prop_node (const void *fit, int noffset, const char *prop_name) { char *uname; int len; /* get kernel image unit name from configuration kernel property */ uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); if (uname == NULL) return len; return fit_image_get_node (fit, uname); } /** * fit_conf_get_kernel_node - get kernel image node offset that corresponds to * a given configuration * @fit: pointer to the FIT format image header * @noffset: configuration node offset * * fit_conf_get_kernel_node() retrives kernel image node unit name from * configuration FIT_KERNEL_PROP property and translates it to the node * offset. * * returns: * image node offset when found (>=0) * negative number on failure (FDT_ERR_* code) */ int fit_conf_get_kernel_node (const void *fit, int noffset) { return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); } /** * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to * a given configuration * @fit: pointer to the FIT format image header * @noffset: configuration node offset * * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from * configuration FIT_KERNEL_PROP property and translates it to the node * offset. * * returns: * image node offset when found (>=0) * negative number on failure (FDT_ERR_* code) */ int fit_conf_get_ramdisk_node (const void *fit, int noffset) { return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); } /** * fit_conf_get_fdt_node - get fdt image node offset that corresponds to * a given configuration * @fit: pointer to the FIT format image header * @noffset: configuration node offset * * fit_conf_get_fdt_node() retrives fdt image node unit name from * configuration FIT_KERNEL_PROP property and translates it to the node * offset. * * returns: * image node offset when found (>=0) * negative number on failure (FDT_ERR_* code) */ int fit_conf_get_fdt_node (const void *fit, int noffset) { return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); } /** * fit_conf_print - prints out the FIT configuration details * @fit: pointer to the FIT format image header * @noffset: offset of the configuration node * @p: pointer to prefix string * * fit_conf_print() lists all mandatory properies for the processed * configuration node. * * returns: * no returned results */ void fit_conf_print (const void *fit, int noffset, const char *p) { char *desc; char *uname; int ret; /* Mandatory properties */ ret = fit_get_desc (fit, noffset, &desc); printf ("%s Description: ", p); if (ret) printf ("unavailable\n"); else printf ("%s\n", desc); uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); printf ("%s Kernel: ", p); if (uname == NULL) printf ("unavailable\n"); else printf ("%s\n", uname); /* Optional properties */ uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); if (uname) printf ("%s Init Ramdisk: %s\n", p, uname); uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); if (uname) printf ("%s FDT: %s\n", p, uname); } /** * fit_check_ramdisk - verify FIT format ramdisk subimage * @fit_hdr: pointer to the FIT ramdisk header * @rd_noffset: ramdisk subimage node offset within FIT image * @arch: requested ramdisk image architecture type * @verify: data CRC verification flag * * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from * specified FIT image. * * returns: * 1, on success * 0, on failure */ #ifndef USE_HOSTCC static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) { fit_image_print (fit, rd_noffset, " "); if (verify) { puts (" Verifying Hash Integrity ... "); if (!fit_image_check_hashes (fit, rd_noffset)) { puts ("Bad Data Hash\n"); show_boot_progress (-125); return 0; } puts ("OK\n"); } show_boot_progress (126); if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || !fit_image_check_arch (fit, rd_noffset, arch) || !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { printf ("No Linux %s Ramdisk Image\n", genimg_get_arch_name(arch)); show_boot_progress (-126); return 0; } show_boot_progress (127); return 1; } #endif /* USE_HOSTCC */ #endif /* CONFIG_FIT */