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Diffstat (limited to 'common/image.c')
| -rw-r--r-- | common/image.c | 2541 |
1 files changed, 2541 insertions, 0 deletions
diff --git a/common/image.c b/common/image.c new file mode 100644 index 0000000000..f04826a5c8 --- /dev/null +++ b/common/image.c @@ -0,0 +1,2541 @@ +/* + * (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 */ |
