/* * (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 */ #define DEBUG #ifndef USE_HOSTCC #include #include #ifdef CONFIG_SHOW_BOOT_PROGRESS #include #endif #ifdef CONFIG_HAS_DATAFLASH #include #endif #ifdef CONFIG_LOGBUFFER #include #endif #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) #include #endif #if defined(CONFIG_FIT) #include #include #include #endif #ifdef CONFIG_CMD_BDI extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); #endif DECLARE_GLOBAL_DATA_PTR; static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], ulong rd_addr, uint8_t arch, int verify); #else #include "mkimage.h" #endif /* USE_HOSTCC*/ #include unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); 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)); } int getenv_verify (void) { char *s = getenv ("verify"); return (s && (*s == 'n')) ? 0 : 1; } 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 */ /** * 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; ulong *size; /* get start of the image payload, which in case of multi * component images that points to a table of component sizes */ size = (ulong *)image_get_data (hdr); /* 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; ulong *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 = (ulong *)image_get_data (hdr); /* get address of the proper component data start, which means * skipping sizes table (add 1 for last, null entry) */ img_data = image_get_data (hdr) + (count + 1) * sizeof (ulong); if (idx < count) { *len = size[idx]; offset = 0; tail = 0; /* go over all indices preceding requested component idx */ for (i = 0; i < idx; i++) { /* add up i-th component size */ offset += size[i]; /* add up alignment for i-th component */ tail += (4 - size[i] % 4); } /* calculate idx-th component data address */ *data = img_data + offset + tail; } else { *len = 0; *data = 0; } } #ifndef USE_HOSTCC const char* image_get_os_name (uint8_t os) { const char *name; switch (os) { case IH_OS_INVALID: name = "Invalid OS"; break; case IH_OS_NETBSD: name = "NetBSD"; break; case IH_OS_LINUX: name = "Linux"; break; case IH_OS_VXWORKS: name = "VxWorks"; break; case IH_OS_QNX: name = "QNX"; break; case IH_OS_U_BOOT: name = "U-Boot"; break; case IH_OS_RTEMS: name = "RTEMS"; break; #ifdef CONFIG_ARTOS case IH_OS_ARTOS: name = "ARTOS"; break; #endif #ifdef CONFIG_LYNXKDI case IH_OS_LYNXOS: name = "LynxOS"; break; #endif default: name = "Unknown OS"; break; } return name; } const char* image_get_arch_name (uint8_t arch) { const char *name; switch (arch) { case IH_ARCH_INVALID: name = "Invalid Architecture"; break; case IH_ARCH_ALPHA: name = "Alpha"; break; case IH_ARCH_ARM: name = "ARM"; break; case IH_ARCH_AVR32: name = "AVR32"; break; case IH_ARCH_BLACKFIN: name = "Blackfin"; break; case IH_ARCH_I386: name = "Intel x86"; break; case IH_ARCH_IA64: name = "IA64"; break; case IH_ARCH_M68K: name = "M68K"; break; case IH_ARCH_MICROBLAZE:name = "Microblaze"; break; case IH_ARCH_MIPS64: name = "MIPS 64 Bit"; break; case IH_ARCH_MIPS: name = "MIPS"; break; case IH_ARCH_NIOS2: name = "Nios-II"; break; case IH_ARCH_NIOS: name = "Nios"; break; case IH_ARCH_PPC: name = "PowerPC"; break; case IH_ARCH_S390: name = "IBM S390"; break; case IH_ARCH_SH: name = "SuperH"; break; case IH_ARCH_SPARC64: name = "SPARC 64 Bit"; break; case IH_ARCH_SPARC: name = "SPARC"; break; default: name = "Unknown Architecture"; break; } return name; } const char* image_get_type_name (uint8_t type) { const char *name; switch (type) { case IH_TYPE_INVALID: name = "Invalid Image"; break; case IH_TYPE_STANDALONE:name = "Standalone Program"; break; case IH_TYPE_KERNEL: name = "Kernel Image"; break; case IH_TYPE_RAMDISK: name = "RAMDisk Image"; break; case IH_TYPE_MULTI: name = "Multi-File Image"; break; case IH_TYPE_FIRMWARE: name = "Firmware"; break; case IH_TYPE_SCRIPT: name = "Script"; break; case IH_TYPE_FLATDT: name = "Flat Device Tree"; break; default: name = "Unknown Image"; break; } return name; } const char* image_get_comp_name (uint8_t comp) { const char *name; switch (comp) { case IH_COMP_NONE: name = "uncompressed"; break; case IH_COMP_GZIP: name = "gzip compressed"; break; case IH_COMP_BZIP2: name = "bzip2 compressed"; break; default: name = "unknown compression"; break; } return name; } static void image_print_type (image_header_t *hdr) { const char *os, *arch, *type, *comp; os = image_get_os_name (image_get_os (hdr)); arch = image_get_arch_name (image_get_arch (hdr)); type = image_get_type_name (image_get_type (hdr)); comp = image_get_comp_name (image_get_comp (hdr)); printf ("%s %s %s (%s)", arch, os, type, comp); } void image_print_contents (image_header_t *hdr) { #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) time_t timestamp = (time_t)image_get_time (hdr); struct rtc_time tm; #endif printf (" Image Name: %.*s\n", IH_NMLEN, image_get_name (hdr)); #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) to_tm (timestamp, &tm); printf (" Created: %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); #endif puts (" Image Type: "); image_print_type (hdr); printf ("\n Data Size: %d Bytes = ", image_get_data_size (hdr)); print_size (image_get_data_size (hdr), "\n"); printf (" Load Address: %08x\n" " Entry Point: %08x\n", image_get_load (hdr), image_get_ep (hdr)); if (image_check_type (hdr, IH_TYPE_MULTI)) { int i; ulong data, len; ulong count = image_multi_count (hdr); puts (" Contents:\n"); for (i = 0; i < count; i++) { image_multi_getimg (hdr, i, &data, &len); printf (" Image %d: %8ld Bytes = ", i, len); print_size (len, "\n"); } } } /** * gen_image_get_format - get image format type * @img_addr: image start address * * gen_image_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 * gen_image_get_format() must be able to dectect libfdt header. * * returns: * image format type or IMAGE_FORMAT_INVALID if no image is present */ int gen_image_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; } /** * gen_get_image - get image from special storage (if necessary) * @img_addr: image start address * * gen_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 gen_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 (gen_image_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 = fdt_totalsize((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; } /** * image_get_ramdisk - get and verify ramdisk image * @cmdtp: command table pointer * @flag: command flag * @argc: command argument count * @argv: command argument list * @rd_addr: ramdisk image start address * @arch: expected ramdisk architecture * @verify: checksum verification flag * * 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 (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], ulong rd_addr, uint8_t arch, int verify) { image_header_t *rd_hdr; show_boot_progress (9); 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", image_get_arch_name(arch)); show_boot_progress (-13); return NULL; } return rd_hdr; } /** * get_ramdisk - main ramdisk handling routine * @cmdtp: command table pointer * @flag: command flag * @argc: command argument count * @argv: command argument list * @images: pointer to the bootm images structure * @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 * * 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: * rd_start and rd_end are set to ramdisk start/end addresses if * ramdisk image is found and valid * rd_start and rd_end are set to 0 if no ramdisk exists * return 1 if ramdisk image is found but corrupted */ int get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], bootm_headers_t *images, uint8_t arch, ulong *rd_start, ulong *rd_end) { 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; #endif /* * 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) { #if defined(CONFIG_FIT) /* * If the init ramdisk comes from the FIT image and the FIT image * address is omitted in the command line argument, try to use * os FIT image address or default load address. */ if (images->fit_uname_os) default_addr = (ulong)images->fit_hdr_os; else default_addr = load_addr; if (fit_parse_conf (argv[2], default_addr, &rd_addr, &fit_uname_config)) { debug ("* ramdisk: config '%s' from image at 0x%08lx\n", fit_uname_config, rd_addr); } else if (fit_parse_subimage (argv[2], default_addr, &rd_addr, &fit_uname_ramdisk)) { debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", fit_uname_ramdisk, rd_addr); } else #endif { rd_addr = simple_strtoul(argv[2], NULL, 16); debug ("* ramdisk: cmdline image address = 0x%08lx\n", rd_addr); } /* copy from dataflash if needed */ printf ("## Loading init Ramdisk Image at %08lx ...\n", rd_addr); rd_addr = gen_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 (gen_image_get_format ((void *)rd_addr)) { case IMAGE_FORMAT_LEGACY: debug ("* ramdisk: legacy format image\n"); rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv, rd_addr, arch, images->verify); if (rd_hdr == NULL) { *rd_start = 0; *rd_end = 0; 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; debug ("* ramdisk: FIT format image\n"); fit_unsupported_reset ("ramdisk"); return 1; #endif default: printf ("Wrong Image Format for %s command\n", cmdtp->name); rd_data = rd_len = 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 " "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"); *rd_start = 0; *rd_end = 0; } 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) /** * ramdisk_high - relocate init ramdisk * @rd_data: ramdisk data start address * @rd_len: ramdisk data length * @sp_limit: stack pointer limit (including BOOTMAPSZ) * @sp: current stack pointer * @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) * * ramdisk_high() takes a relocation hint from "initrd_high" environement * variable and if requested ramdisk data is moved to a specified location. * * returns: * - 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 new allc_current, next free address below BOOTMAPSZ */ ulong ramdisk_high (ulong alloc_current, ulong rd_data, ulong rd_len, ulong sp_limit, ulong sp, ulong *initrd_start, ulong *initrd_end) { char *s; ulong initrd_high; int initrd_copy_to_ram = 1; ulong new_alloc_current = alloc_current; 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 */ if (initrd_high < (gd->bd->bi_memsize - LOGBUFF_LEN - LOGBUFF_OVERHEAD)) initrd_high = gd->bd->bi_memsize - LOGBUFF_LEN - LOGBUFF_OVERHEAD; debug ("## Logbuffer at 0x%08lx ", gd->bd->bi_memsize - LOGBUFF_LEN); #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; } else { new_alloc_current = alloc_current - rd_len; *initrd_start = new_alloc_current; *initrd_start &= ~(4096 - 1); /* align on page */ if (initrd_high) { ulong nsp; /* * the inital ramdisk does not need to be within * CFG_BOOTMAPSZ as it is not accessed until after * the mm system is initialised. * * do the stack bottom calculation again and see if * the initrd will fit just below the monitor stack * bottom without overwriting the area allocated * for command line args and board info. */ nsp = sp; nsp -= 2048; /* just to be sure */ nsp &= ~0xF; if (nsp > initrd_high) /* limit as specified */ nsp = initrd_high; nsp -= rd_len; nsp &= ~(4096 - 1); /* align on page */ if (nsp >= sp_limit) { *initrd_start = nsp; new_alloc_current = alloc_current; } } 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 new_alloc_current; } /** * get_boot_sp_limit - calculate stack pointer limit * @sp: current stack pointer * * get_boot_sp_limit() takes current stack pointer adrress and calculates * stack pointer limit, below which kernel boot data (cmdline, board info, * etc.) will be allocated. * * returns: * stack pointer limit */ ulong get_boot_sp_limit(ulong sp) { ulong sp_limit = sp; sp_limit -= 2048; /* just to be sure */ /* make sure sp_limit is within kernel mapped space */ if (sp_limit > CFG_BOOTMAPSZ) sp_limit = CFG_BOOTMAPSZ; sp_limit &= ~0xF; return sp_limit; } /** * get_boot_cmdline - allocate and initialize kernel cmdline * @alloc_current: current boot allocation address (counting down * from sp_limit) * @cmd_start: pointer to a ulong variable, will hold cmdline start * @cmd_end: pointer to a ulong variable, will hold cmdline end * * get_boot_cmdline() allocates space for kernel command line below * provided alloc_current address. If "bootargs" U-boot environemnt * variable is present its contents is copied to allocated kernel * command line. * * returns: * alloc_current after cmdline allocation */ ulong get_boot_cmdline (ulong alloc_current, ulong *cmd_start, ulong *cmd_end) { char *cmdline; char *s; cmdline = (char *)((alloc_current - CFG_BARGSIZE) & ~0xF); 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 (ulong)cmdline; } /** * get_boot_kbd - allocate and initialize kernel copy of board info * @alloc_current: current boot allocation address (counting down * from sp_limit) * @kbd: double pointer to board info data * * get_boot_kbd() - allocates space for kernel copy of board info data. * Space is allocated below provided alloc_current address and kernel * board info is initialized with the current u-boot board info data. * * returns: * alloc_current after kbd allocation */ ulong get_boot_kbd (ulong alloc_current, bd_t **kbd) { *kbd = (bd_t *) (((ulong)alloc_current - sizeof(bd_t)) & ~0xF); **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 (ulong)*kbd; } #endif /* CONFIG_PPC || CONFIG_M68K */ #if defined(CONFIG_FIT) /*****************************************************************************/ /* New uImage format routines */ /*****************************************************************************/ 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 []#, * where is a FIT image address that contains configuration * with a 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 * []:, where is a FIT image address that contains * subimage with a 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 /* CONFIG_FIT */ #endif /* USE_HOSTCC */