| /* |
| * (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 <u-boot/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 * const argv[]); |
| #endif |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static const image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, |
| int verify); |
| #else |
| #include "mkimage.h" |
| #include <u-boot/md5.h> |
| #include <time.h> |
| #include <image.h> |
| #endif /* !USE_HOSTCC*/ |
| |
| 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_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", }, |
| { 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", }, |
| { 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_OSE, "ose", "Enea OSE", }, |
| { 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 |
| #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) |
| { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, |
| #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", }, |
| { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, |
| { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, |
| { -1, "", "", }, |
| }; |
| |
| static table_entry_t uimage_comp[] = { |
| { IH_COMP_NONE, "none", "uncompressed", }, |
| { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, |
| { IH_COMP_GZIP, "gzip", "gzip compressed", }, |
| { IH_COMP_LZMA, "lzma", "lzma compressed", }, |
| { IH_COMP_LZO, "lzo", "lzo compressed", }, |
| { -1, "", "", }, |
| }; |
| |
| uint32_t crc32 (uint32_t, const unsigned char *, uint); |
| uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); |
| #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 (const 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 (const image_header_t *hdr) |
| { |
| ulong data = image_get_data (hdr); |
| ulong len = image_get_data_size (hdr); |
| ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); |
| |
| return (dcrc == image_get_dcrc (hdr)); |
| } |
| |
| /** |
| * 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 (const 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 (const image_header_t *hdr, ulong idx, |
| ulong *data, ulong *len) |
| { |
| int i; |
| 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 = (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; |
| |
| /* go over all indices preceding requested component idx */ |
| for (i = 0; i < idx; i++) { |
| /* 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; |
| } else { |
| *len = 0; |
| *data = 0; |
| } |
| } |
| |
| static void image_print_type (const 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 |
| * @ptr: pointer to the legacy format image header |
| * @p: pointer to prefix string |
| * |
| * image_print_contents() formats a multi line legacy image contents description. |
| * The routine prints out all header fields followed by the size/offset data |
| * for MULTI/SCRIPT images. |
| * |
| * returns: |
| * no returned results |
| */ |
| void image_print_contents (const void *ptr) |
| { |
| const image_header_t *hdr = (const image_header_t *)ptr; |
| const char *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); |
| 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); |
| } |
| } |
| } |
| } |
| |
| |
| #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 const image_header_t *image_get_ramdisk (ulong rd_addr, uint8_t arch, |
| int verify) |
| { |
| const image_header_t *rd_hdr = (const 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 (rd_hdr)) { |
| 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_yesno (char *var) |
| { |
| char *s = getenv (var); |
| 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(CONFIG_SYS_SDRAM_BASE) |
| return CONFIG_SYS_SDRAM_BASE; |
| #elif defined(CONFIG_ARM) |
| return gd->bd->bi_dram[0].start; |
| #else |
| return 0; |
| #endif |
| } |
| |
| phys_size_t getenv_bootm_size(void) |
| { |
| phys_size_t tmp; |
| char *s = getenv ("bootm_size"); |
| if (s) { |
| tmp = (phys_size_t)simple_strtoull (s, NULL, 16); |
| return tmp; |
| } |
| s = getenv("bootm_low"); |
| if (s) |
| tmp = (phys_size_t)simple_strtoull (s, NULL, 16); |
| else |
| tmp = 0; |
| |
| |
| #if defined(CONFIG_ARM) |
| return gd->bd->bi_dram[0].size - tmp; |
| #else |
| return gd->bd->bi_memsize - tmp; |
| #endif |
| } |
| |
| void memmove_wd (void *to, void *from, size_t len, ulong chunksz) |
| { |
| if (to == from) |
| return; |
| |
| #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 */ |
| |
| 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 |
| */ |
| char *get_table_entry_name (table_entry_t *table, char *msg, int id) |
| { |
| for (; table->id >= 0; ++table) { |
| if (table->id == id) |
| #if defined(USE_HOSTCC) || defined(CONFIG_RELOC_FIXUP_WORKS) |
| return table->lname; |
| #else |
| return table->lname + gd->reloc_off; |
| #endif |
| } |
| 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 |
| */ |
| 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) { |
| #ifdef CONFIG_RELOC_FIXUP_WORKS |
| if (t->sname && strcmp(t->sname, name) == 0) |
| #else |
| if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) |
| #endif |
| 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; |
| const image_header_t *hdr; |
| #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) |
| char *fit_hdr; |
| #endif |
| |
| hdr = (const 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 = CONFIG_SYS_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 ((const 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, or invalid |
| * rd_start and rd_end are set to 0 if no ramdisk exists |
| */ |
| int boot_get_ramdisk (int argc, char * const argv[], bootm_headers_t *images, |
| uint8_t arch, ulong *rd_start, ulong *rd_end) |
| { |
| ulong rd_addr, rd_load; |
| ulong rd_data, rd_len; |
| const 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 1; |
| } |
| |
| 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 1; |
| } |
| 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 1; |
| } |
| 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 1; |
| } |
| |
| 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 1; |
| |
| /* 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 1; |
| } |
| 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 1; |
| } |
| 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; |
| return 1; |
| } |
| |
| #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_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 " |
| "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) || defined(CONFIG_SPARC) |
| /** |
| * 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; |
| } |
| |
| |
| #ifdef CONFIG_LOGBUFFER |
| /* Prevent initrd from overwriting logbuffer */ |
| lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); |
| #endif |
| |
| debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", |
| initrd_high, initrd_copy_to_ram); |
| |
| if (rd_data) { |
| if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ |
| debug (" in-place initrd\n"); |
| *initrd_start = rd_data; |
| *initrd_end = rd_data + rd_len; |
| lmb_reserve(lmb, rd_data, rd_len); |
| } else { |
| if (initrd_high) |
| *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); |
| else |
| *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); |
| |
| if (*initrd_start == 0) { |
| puts ("ramdisk - allocation error\n"); |
| goto error; |
| } |
| 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; |
| } |
| #endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */ |
| |
| #ifdef CONFIG_OF_LIBFDT |
| static void fdt_error (const char *msg) |
| { |
| puts ("ERROR: "); |
| puts (msg); |
| puts (" - must RESET the board to recover.\n"); |
| } |
| |
| static const image_header_t *image_get_fdt (ulong fdt_addr) |
| { |
| const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; |
| |
| image_print_contents (fdt_hdr); |
| |
| puts (" Verifying Checksum ... "); |
| if (!image_check_hcrc (fdt_hdr)) { |
| fdt_error ("fdt header checksum invalid"); |
| return NULL; |
| } |
| |
| if (!image_check_dcrc (fdt_hdr)) { |
| fdt_error ("fdt checksum invalid"); |
| return NULL; |
| } |
| puts ("OK\n"); |
| |
| if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { |
| fdt_error ("uImage is not a fdt"); |
| return NULL; |
| } |
| if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { |
| fdt_error ("uImage is compressed"); |
| return NULL; |
| } |
| if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { |
| fdt_error ("uImage data is not a fdt"); |
| return NULL; |
| } |
| return fdt_hdr; |
| } |
| |
| /** |
| * fit_check_fdt - verify FIT format FDT subimage |
| * @fit_hdr: pointer to the FIT header |
| * fdt_noffset: FDT subimage node offset within FIT image |
| * @verify: data CRC verification flag |
| * |
| * fit_check_fdt() verifies integrity of the FDT subimage and from |
| * specified FIT image. |
| * |
| * returns: |
| * 1, on success |
| * 0, on failure |
| */ |
| #if defined(CONFIG_FIT) |
| static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) |
| { |
| fit_image_print (fit, fdt_noffset, " "); |
| |
| if (verify) { |
| puts (" Verifying Hash Integrity ... "); |
| if (!fit_image_check_hashes (fit, fdt_noffset)) { |
| fdt_error ("Bad Data Hash"); |
| return 0; |
| } |
| puts ("OK\n"); |
| } |
| |
| if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { |
| fdt_error ("Not a FDT image"); |
| return 0; |
| } |
| |
| if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { |
| fdt_error ("FDT image is compressed"); |
| return 0; |
| } |
| |
| return 1; |
| } |
| #endif /* CONFIG_FIT */ |
| |
| #ifndef CONFIG_SYS_FDT_PAD |
| #define CONFIG_SYS_FDT_PAD 0x3000 |
| #endif |
| |
| /** |
| * boot_relocate_fdt - relocate flat device tree |
| * @lmb: pointer to lmb handle, will be used for memory mgmt |
| * @bootmap_base: base address of the bootmap region |
| * @of_flat_tree: pointer to a char* variable, will hold fdt start address |
| * @of_size: pointer to a ulong variable, will hold fdt length |
| * |
| * boot_relocate_fdt() determines if the of_flat_tree address is within |
| * the bootmap and if not relocates it into that region |
| * |
| * of_flat_tree and of_size are set to final (after relocation) values |
| * |
| * returns: |
| * 0 - success |
| * 1 - failure |
| */ |
| #if defined(CONFIG_SYS_BOOTMAPSZ) |
| int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, |
| char **of_flat_tree, ulong *of_size) |
| { |
| char *fdt_blob = *of_flat_tree; |
| ulong relocate = 0; |
| ulong of_len = 0; |
| |
| /* nothing to do */ |
| if (*of_size == 0) |
| return 0; |
| |
| if (fdt_check_header (fdt_blob) != 0) { |
| fdt_error ("image is not a fdt"); |
| goto error; |
| } |
| |
| #ifndef CONFIG_SYS_NO_FLASH |
| /* move the blob if it is in flash (set relocate) */ |
| if (addr2info ((ulong)fdt_blob) != NULL) |
| relocate = 1; |
| #endif |
| |
| /* |
| * The blob needs to be inside the boot mapping. |
| */ |
| if (fdt_blob < (char *)bootmap_base) |
| relocate = 1; |
| |
| if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= |
| ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) |
| relocate = 1; |
| |
| /* move flattend device tree if needed */ |
| if (relocate) { |
| int err; |
| ulong of_start = 0; |
| |
| /* position on a 4K boundary before the alloc_current */ |
| /* Pad the FDT by a specified amount */ |
| of_len = *of_size + CONFIG_SYS_FDT_PAD; |
| of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, |
| (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); |
| |
| if (of_start == 0) { |
| puts("device tree - allocation error\n"); |
| goto error; |
| } |
| |
| debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", |
| (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, |
| of_len, of_len); |
| |
| printf (" Loading Device Tree to %08lx, end %08lx ... ", |
| of_start, of_start + of_len - 1); |
| |
| err = fdt_open_into (fdt_blob, (void *)of_start, of_len); |
| if (err != 0) { |
| fdt_error ("fdt move failed"); |
| goto error; |
| } |
| puts ("OK\n"); |
| |
| *of_flat_tree = (char *)of_start; |
| *of_size = of_len; |
| } else { |
| *of_flat_tree = fdt_blob; |
| of_len = *of_size + CONFIG_SYS_FDT_PAD; |
| lmb_reserve(lmb, (ulong)fdt_blob, of_len); |
| fdt_set_totalsize(*of_flat_tree, of_len); |
| |
| *of_size = of_len; |
| } |
| |
| set_working_fdt_addr(*of_flat_tree); |
| return 0; |
| |
| error: |
| return 1; |
| } |
| #endif /* CONFIG_SYS_BOOTMAPSZ */ |
| |
| /** |
| * boot_get_fdt - main fdt handling routine |
| * @argc: command argument count |
| * @argv: command argument list |
| * @images: pointer to the bootm images structure |
| * @of_flat_tree: pointer to a char* variable, will hold fdt start address |
| * @of_size: pointer to a ulong variable, will hold fdt length |
| * |
| * boot_get_fdt() is responsible for finding a valid flat device tree image. |
| * Curently supported are the following ramdisk sources: |
| * - multicomponent kernel/ramdisk image, |
| * - commandline provided address of decicated ramdisk image. |
| * |
| * returns: |
| * 0, if fdt image was found and valid, or skipped |
| * of_flat_tree and of_size are set to fdt start address and length if |
| * fdt image is found and valid |
| * |
| * 1, if fdt image is found but corrupted |
| * of_flat_tree and of_size are set to 0 if no fdt exists |
| */ |
| int boot_get_fdt (int flag, int argc, char * const argv[], bootm_headers_t *images, |
| char **of_flat_tree, ulong *of_size) |
| { |
| const image_header_t *fdt_hdr; |
| ulong fdt_addr; |
| char *fdt_blob = NULL; |
| ulong image_start, image_end; |
| ulong load_start, load_end; |
| #if defined(CONFIG_FIT) |
| void *fit_hdr; |
| const char *fit_uname_config = NULL; |
| const char *fit_uname_fdt = NULL; |
| ulong default_addr; |
| int cfg_noffset; |
| int fdt_noffset; |
| const void *data; |
| size_t size; |
| #endif |
| |
| *of_flat_tree = NULL; |
| *of_size = 0; |
| |
| if (argc > 3 || genimg_has_config (images)) { |
| #if defined(CONFIG_FIT) |
| if (argc > 3) { |
| /* |
| * If the FDT blob comes from the FIT image and the |
| * FIT image address is omitted in the command line |
| * argument, try to use ramdisk or os FIT image |
| * address or default load address. |
| */ |
| if (images->fit_uname_rd) |
| default_addr = (ulong)images->fit_hdr_rd; |
| else if (images->fit_uname_os) |
| default_addr = (ulong)images->fit_hdr_os; |
| else |
| default_addr = load_addr; |
| |
| if (fit_parse_conf (argv[3], default_addr, |
| &fdt_addr, &fit_uname_config)) { |
| debug ("* fdt: config '%s' from image at 0x%08lx\n", |
| fit_uname_config, fdt_addr); |
| } else if (fit_parse_subimage (argv[3], default_addr, |
| &fdt_addr, &fit_uname_fdt)) { |
| debug ("* fdt: subimage '%s' from image at 0x%08lx\n", |
| fit_uname_fdt, fdt_addr); |
| } else |
| #endif |
| { |
| fdt_addr = simple_strtoul(argv[3], NULL, 16); |
| debug ("* fdt: cmdline image address = 0x%08lx\n", |
| fdt_addr); |
| } |
| #if defined(CONFIG_FIT) |
| } else { |
| /* use FIT configuration provided in first bootm |
| * command argument |
| */ |
| fdt_addr = (ulong)images->fit_hdr_os; |
| fit_uname_config = images->fit_uname_cfg; |
| debug ("* fdt: using config '%s' from image at 0x%08lx\n", |
| fit_uname_config, fdt_addr); |
| |
| /* |
| * Check whether configuration has FDT blob defined, |
| * if not quit silently. |
| */ |
| fit_hdr = (void *)fdt_addr; |
| cfg_noffset = fit_conf_get_node (fit_hdr, |
| fit_uname_config); |
| if (cfg_noffset < 0) { |
| debug ("* fdt: no such config\n"); |
| return 0; |
| } |
| |
| fdt_noffset = fit_conf_get_fdt_node (fit_hdr, |
| cfg_noffset); |
| if (fdt_noffset < 0) { |
| debug ("* fdt: no fdt in config\n"); |
| return 0; |
| } |
| } |
| #endif |
| |
| debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", |
| fdt_addr); |
| |
| /* copy from dataflash if needed */ |
| fdt_addr = genimg_get_image (fdt_addr); |
| |
| /* |
| * Check if there is an FDT image at the |
| * address provided in the second bootm argument |
| * check image type, for FIT images get a FIT node. |
| */ |
| switch (genimg_get_format ((void *)fdt_addr)) { |
| case IMAGE_FORMAT_LEGACY: |
| /* verify fdt_addr points to a valid image header */ |
| printf ("## Flattened Device Tree from Legacy Image at %08lx\n", |
| fdt_addr); |
| fdt_hdr = image_get_fdt (fdt_addr); |
| if (!fdt_hdr) |
| goto error; |
| |
| /* |
| * move image data to the load address, |
| * make sure we don't overwrite initial image |
| */ |
| image_start = (ulong)fdt_hdr; |
| image_end = image_get_image_end (fdt_hdr); |
| |
| load_start = image_get_load (fdt_hdr); |
| load_end = load_start + image_get_data_size (fdt_hdr); |
| |
| if ((load_start < image_end) && (load_end > image_start)) { |
| fdt_error ("fdt overwritten"); |
| goto error; |
| } |
| |
| debug (" Loading FDT from 0x%08lx to 0x%08lx\n", |
| image_get_data (fdt_hdr), load_start); |
| |
| memmove ((void *)load_start, |
| (void *)image_get_data (fdt_hdr), |
| image_get_data_size (fdt_hdr)); |
| |
| fdt_blob = (char *)load_start; |
| break; |
| case IMAGE_FORMAT_FIT: |
| /* |
| * This case will catch both: new uImage format |
| * (libfdt based) and raw FDT blob (also libfdt |
| * based). |
| */ |
| #if defined(CONFIG_FIT) |
| /* check FDT blob vs FIT blob */ |
| if (fit_check_format ((const void *)fdt_addr)) { |
| /* |
| * FIT image |
| */ |
| fit_hdr = (void *)fdt_addr; |
| printf ("## Flattened Device Tree from FIT Image at %08lx\n", |
| fdt_addr); |
| |
| if (!fit_uname_fdt) { |
| /* |
| * no FDT blob 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 |
| */ |
| cfg_noffset = fit_conf_get_node (fit_hdr, |
| fit_uname_config); |
| |
| if (cfg_noffset < 0) { |
| fdt_error ("Could not find configuration node\n"); |
| goto error; |
| } |
| |
| fit_uname_config = fdt_get_name (fit_hdr, |
| cfg_noffset, NULL); |
| printf (" Using '%s' configuration\n", |
| fit_uname_config); |
| |
| fdt_noffset = fit_conf_get_fdt_node (fit_hdr, |
| cfg_noffset); |
| fit_uname_fdt = fit_get_name (fit_hdr, |
| fdt_noffset, NULL); |
| } else { |
| /* get FDT component image node offset */ |
| fdt_noffset = fit_image_get_node (fit_hdr, |
| fit_uname_fdt); |
| } |
| if (fdt_noffset < 0) { |
| fdt_error ("Could not find subimage node\n"); |
| goto error; |
| } |
| |
| printf (" Trying '%s' FDT blob subimage\n", |
| fit_uname_fdt); |
| |
| if (!fit_check_fdt (fit_hdr, fdt_noffset, |
| images->verify)) |
| goto error; |
| |
| /* get ramdisk image data address and length */ |
| if (fit_image_get_data (fit_hdr, fdt_noffset, |
| &data, &size)) { |
| fdt_error ("Could not find FDT subimage data"); |
| goto error; |
| } |
| |
| /* verift that image data is a proper FDT blob */ |
| if (fdt_check_header ((char *)data) != 0) { |
| fdt_error ("Subimage data is not a FTD"); |
| goto error; |
| } |
| |
| /* |
| * move image data to the load address, |
| * make sure we don't overwrite initial image |
| */ |
| image_start = (ulong)fit_hdr; |
| image_end = fit_get_end (fit_hdr); |
| |
| if (fit_image_get_load (fit_hdr, fdt_noffset, |
| &load_start) == 0) { |
| load_end = load_start + size; |
| |
| if ((load_start < image_end) && |
| (load_end > image_start)) { |
| fdt_error ("FDT overwritten"); |
| goto error; |
| } |
| |
| printf (" Loading FDT from 0x%08lx to 0x%08lx\n", |
| (ulong)data, load_start); |
| |
| memmove ((void *)load_start, |
| (void *)data, size); |
| |
| fdt_blob = (char *)load_start; |
| } else { |
| fdt_blob = (char *)data; |
| } |
| |
| images->fit_hdr_fdt = fit_hdr; |
| images->fit_uname_fdt = fit_uname_fdt; |
| images->fit_noffset_fdt = fdt_noffset; |
| break; |
| } else |
| #endif |
| { |
| /* |
| * FDT blob |
| */ |
| fdt_blob = (char *)fdt_addr; |
| debug ("* fdt: raw FDT blob\n"); |
| printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); |
| } |
| break; |
| default: |
| puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); |
| goto error; |
| } |
| |
| printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); |
| |
| } else if (images->legacy_hdr_valid && |
| image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { |
| |
| ulong fdt_data, fdt_len; |
| |
| /* |
| * Now check if we have a legacy multi-component image, |
| * get second entry data start address and len. |
| */ |
| printf ("## Flattened Device Tree from multi " |
| "component Image at %08lX\n", |
| (ulong)images->legacy_hdr_os); |
| |
| image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); |
| if (fdt_len) { |
| |
| fdt_blob = (char *)fdt_data; |
| printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); |
| |
| if (fdt_check_header (fdt_blob) != 0) { |
| fdt_error ("image is not a fdt"); |
| goto error; |
| } |
| |
| if (fdt_totalsize(fdt_blob) != fdt_len) { |
| fdt_error ("fdt size != image size"); |
| goto error; |
| } |
| } else { |
| debug ("## No Flattened Device Tree\n"); |
| return 0; |
| } |
| } else { |
| debug ("## No Flattened Device Tree\n"); |
| return 0; |
| } |
| |
| *of_flat_tree = fdt_blob; |
| *of_size = fdt_totalsize(fdt_blob); |
| debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", |
| (ulong)*of_flat_tree, *of_size); |
| |
| return 0; |
| |
| error: |
| *of_flat_tree = 0; |
| *of_size = 0; |
| return 1; |
| } |
| #endif /* CONFIG_OF_LIBFDT */ |
| |
| #if defined(CONFIG_PPC) || defined(CONFIG_M68K) |
| /** |
| * 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 *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, |
| CONFIG_SYS_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 *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, |
| CONFIG_SYS_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 |
| */ |
| 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. Load |
| * address for images of type firmware is also printed out. Since the load |
| * address is not mandatory for firmware images, it will be output as |
| * "unavailable" when not present. |
| * |
| * 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) || |
| (type == IH_TYPE_FIRMWARE)) { |
| 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); |
| } |
| |
| if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { |
| 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 = " error!\nCan'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 = " error!\nCan't get hash value " |
| "property"; |
| goto error; |
| } |
| |
| if (calculate_hash (data, size, algo, value, &value_len)) { |
| err_msg = " error!\nUnsupported hash algorithm"; |
| goto error; |
| } |
| |
| if (value_len != fit_value_len) { |
| err_msg = " error !\nBad hash value len"; |
| goto error; |
| } else if (memcmp (value, fit_value, value_len) != 0) { |
| err_msg = " error!\nBad 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_all_image_check_hashes - verify data intergity for all images |
| * @fit: pointer to the FIT format image header |
| * |
| * fit_all_image_check_hashes() goes over all images in the FIT and |
| * for every images checks if all it's hashes are valid. |
| * |
| * returns: |
| * 1, if all hashes of all images are valid |
| * 0, otherwise (or on error) |
| */ |
| int fit_all_image_check_hashes (const void *fit) |
| { |
| int images_noffset; |
| int noffset; |
| int ndepth; |
| int count; |
| |
| /* 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 0; |
| } |
| |
| /* Process all image subnodes, check hashes for each */ |
| printf ("## Checking hash(es) for FIT Image at %08lx ...\n", |
| (ulong)fit); |
| 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 (" Hash(es) for Image %u (%s): ", count++, |
| fit_get_name (fit, noffset, NULL)); |
| |
| if (!fit_image_check_hashes (fit, noffset)) |
| return 0; |
| printf ("\n"); |
| } |
| } |
| return 1; |
| } |
| |
| /** |
| * 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 timestamp\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 */ |