X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fimage.c;h=67e594df6939056801e2003d710f87c044277eda;hb=ee0cfa70803a3e629ea581a9b216f8ecef402bfc;hp=421a47453c6daf4168a7bdf0eddf8bc064f81fa4;hpb=570abb0ad120f6002bcaa3cf6f32bd4ca2e1b248;p=oweals%2Fu-boot.git diff --git a/common/image.c b/common/image.c index 421a47453c..67e594df69 100644 --- a/common/image.c +++ b/common/image.c @@ -23,8 +23,6 @@ * MA 02111-1307 USA */ -#define DEBUG - #ifndef USE_HOSTCC #include #include @@ -37,34 +35,40 @@ #include #endif -#ifdef CONFIG_LOGBUFFER -#include -#endif - #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) #include #endif -#if defined(CONFIG_FIT) +#include + +#if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) #include #include #include #endif +#if defined(CONFIG_FIT) +#include +#include + +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 (cmd_tbl_t *cmdtp, int flag, - int argc, char *argv[], - ulong rd_addr, uint8_t arch, int verify); +static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, + int verify); #else #include "mkimage.h" -#endif /* !USE_HOSTCC*/ - +#include +#include #include +#endif /* !USE_HOSTCC*/ typedef struct table_entry { int id; /* as defined in image.h */ @@ -84,6 +88,7 @@ static table_entry_t uimage_arch[] = { { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, { IH_ARCH_NIOS, "nios", "NIOS", }, { IH_ARCH_NIOS2, "nios2", "NIOS II", }, + { IH_ARCH_PPC, "powerpc", "PowerPC", }, { IH_ARCH_PPC, "ppc", "PowerPC", }, { IH_ARCH_S390, "s390", "IBM S390", }, { IH_ARCH_SH, "sh", "SuperH", }, @@ -146,7 +151,8 @@ static table_entry_t uimage_comp[] = { { -1, "", "", }, }; -unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); +uint32_t crc32 (uint32_t, const unsigned char *, uint); +uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 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); @@ -174,39 +180,11 @@ 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); + ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 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 @@ -224,11 +202,11 @@ int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz) ulong image_multi_count (image_header_t *hdr) { ulong i, count = 0; - ulong *size; + 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 = (ulong *)image_get_data (hdr); + size = (uint32_t *)image_get_data (hdr); /* count non empty slots */ for (i = 0; size[i]; ++i) @@ -258,36 +236,32 @@ void image_multi_getimg (image_header_t *hdr, ulong idx, ulong *data, ulong *len) { int i; - ulong *size; - ulong offset, tail, count, img_data; + uint32_t *size; + ulong offset, 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 = (ulong *)image_get_data (hdr); + 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 (ulong); + img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); if (idx < count) { - *len = size[idx]; + *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 += size[i]; - - /* add up alignment for i-th component */ - tail += (4 - size[i] % 4); + /* add up i-th component size, rounding up to 4 bytes */ + offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; } /* calculate idx-th component data address */ - *data = img_data + offset + tail; + *data = img_data + offset; } else { *len = 0; *data = 0; @@ -306,8 +280,28 @@ static void image_print_type (image_header_t *hdr) printf ("%s %s %s (%s)\n", arch, os, type, comp); } -static void __image_print_contents (image_header_t *hdr, const char *p) +/** + * 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 + */ +void image_print_contents (image_header_t *hdr) { + const char *p; + +#ifdef USE_HOSTCC + p = ""; +#else + p = " "; +#endif + printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) printf ("%sCreated: ", p); @@ -345,23 +339,10 @@ static void __image_print_contents (image_header_t *hdr, const char *p) } } -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 - * @cmdtp: command table pointer - * @flag: command flag - * @argc: command argument count - * @argv: command argument list * @rd_addr: ramdisk image start address * @arch: expected ramdisk architecture * @verify: checksum verification flag @@ -378,14 +359,10 @@ inline void image_print_contents_noindent (image_header_t *hdr) * pointer to a ramdisk image header, if image was found and valid * otherwise, return NULL */ -static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, - int argc, char *argv[], - ulong rd_addr, uint8_t arch, int verify) +static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, + int verify) { - image_header_t *rd_hdr; - - show_boot_progress (9); - rd_hdr = (image_header_t *)rd_addr; + image_header_t *rd_hdr = (image_header_t *)rd_addr; if (!image_check_magic (rd_hdr)) { puts ("Bad Magic Number\n"); @@ -404,7 +381,7 @@ static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, if (verify) { puts(" Verifying Checksum ... "); - if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { + if (!image_check_dcrc (rd_hdr)) { puts ("Bad Data CRC\n"); show_boot_progress (-12); return NULL; @@ -431,15 +408,9 @@ static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, /* 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) +int getenv_yesno (char *var) { - char *s = getenv ("autostart"); + char *s = getenv (var); return (s && (*s == 'n')) ? 0 : 1; } @@ -451,8 +422,10 @@ ulong getenv_bootm_low(void) return tmp; } -#ifdef CFG_SDRAM_BASE +#if defined(CFG_SDRAM_BASE) return CFG_SDRAM_BASE; +#elif defined(CONFIG_ARM) + return gd->bd->bi_dram[0].start; #else return 0; #endif @@ -466,7 +439,11 @@ ulong getenv_bootm_size(void) 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) @@ -701,7 +678,7 @@ ulong genimg_get_image (ulong img_addr) break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: - d_size = fdt_totalsize((void *)ram_addr) - h_size; + 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; @@ -725,10 +702,28 @@ ulong genimg_get_image (ulong img_addr) 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 - * @cmdtp: command table pointer - * @flag: command flag * @argc: command argument count * @argv: command argument list * @images: pointer to the bootm images structure @@ -742,14 +737,15 @@ ulong genimg_get_image (ulong img_addr) * - 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 - * return 1 if ramdisk image is found but corrupted */ -int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - bootm_headers_t *images, uint8_t arch, - ulong *rd_start, ulong *rd_end) +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; @@ -759,8 +755,15 @@ int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], 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 @@ -768,37 +771,65 @@ int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { debug ("## Skipping init Ramdisk\n"); rd_len = rd_data = 0; - } else if (argc >= 3) { + } else if (argc >= 3 || genimg_has_config (images)) { #if defined(CONFIG_FIT) - /* - * 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 + 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); + { + 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 */ - printf ("## Loading init Ramdisk Image at %08lx ...\n", - rd_addr); rd_addr = genimg_get_image (rd_addr); /* @@ -808,17 +839,15 @@ int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], */ switch (genimg_get_format ((void *)rd_addr)) { case IMAGE_FORMAT_LEGACY: + printf ("## Loading init Ramdisk from Legacy " + "Image at %08lx ...\n", rd_addr); - debug ("* ramdisk: legacy format image\n"); + show_boot_progress (9); + rd_hdr = image_get_ramdisk (rd_addr, arch, + images->verify); - rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv, - rd_addr, arch, images->verify); - - if (rd_hdr == NULL) { - *rd_start = 0; - *rd_end = 0; + if (rd_hdr == NULL) return 1; - } rd_data = image_get_data (rd_hdr); rd_len = image_get_data_size (rd_hdr); @@ -827,14 +856,78 @@ int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: fit_hdr = (void *)rd_addr; - debug ("* ramdisk: FIT format image\n"); - fit_unsupported_reset ("ramdisk"); - return 1; + 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: - printf ("Wrong Image Format for %s command\n", - cmdtp->name); - rd_data = rd_len = 0; + puts ("Wrong Ramdisk Image Format\n"); + rd_data = rd_len = rd_load = 0; } #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) @@ -848,14 +941,14 @@ int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ } else if (images->legacy_hdr_valid && - image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { + 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. */ show_boot_progress (13); printf ("## Loading init Ramdisk from multi component " - "Image at %08lx ...\n", + "Legacy Image at %08lx ...\n", (ulong)images->legacy_hdr_os); image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); @@ -869,8 +962,6 @@ int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], if (!rd_data) { debug ("## No init Ramdisk\n"); - *rd_start = 0; - *rd_end = 0; } else { *rd_start = rd_data; *rd_end = rd_data + rd_len; @@ -881,7 +972,7 @@ int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], return 0; } -#if defined(CONFIG_PPC) || defined(CONFIG_M68K) +#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) /** * boot_ramdisk_high - relocate init ramdisk * @lmb: pointer to lmb handle, will be used for memory mgmt @@ -1040,11 +1131,13 @@ int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 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) { @@ -1117,6 +1210,1288 @@ inline int fit_parse_subimage (const char *spec, ulong addr_curr, { return fit_parse_spec (spec, ':', addr_curr, addr, image_name); } - -#endif /* CONFIG_FIT */ #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 + */ +void fit_print_contents (const void *fit) +{ + char *desc; + char *uname; + int images_noffset; + int confs_noffset; + int noffset; + int ndepth; + int count = 0; + int ret; + const char *p; +#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) + time_t timestamp; +#endif + +#ifdef USE_HOSTCC + p = ""; +#else + p = " "; +#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); + } + } +} + +/** + * 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_wd (0, data, data_len, + CHUNKSZ_CRC32); + *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); + *value_len = 4; + } else if (strcmp (algo, "sha1") == 0 ) { + sha1_csum_wd ((unsigned char *) data, data_len, + (unsigned char *) value, CHUNKSZ_SHA1); + *value_len = 20; + } else if (strcmp (algo, "md5") == 0 ) { + md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); + *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 */