/* * (C) Copyright 2008 Semihalf * * (C) Copyright 2000-2006 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ #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 #include <rtc.h> #include <environment.h> #include <image.h> #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) #include <libfdt.h> #include <fdt_support.h> #endif #include <u-boot/md5.h> #include <u-boot/sha1.h> #include <asm/errno.h> #include <asm/io.h> #ifdef CONFIG_CMD_BDI extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); #endif DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_IMAGE_FORMAT_LEGACY) static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, int verify); #endif #else #include "mkimage.h" #include <u-boot/md5.h> #include <time.h> #include <image.h> #endif /* !USE_HOSTCC*/ #include <u-boot/crc.h> #ifndef CONFIG_SYS_BARGSIZE #define CONFIG_SYS_BARGSIZE 512 #endif static const 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", }, { IH_ARCH_NDS32, "nds32", "NDS32", }, { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, { IH_ARCH_SANDBOX, "sandbox", "Sandbox", }, { IH_ARCH_ARM64, "arm64", "AArch64", }, { IH_ARCH_ARC, "arc", "ARC", }, { IH_ARCH_X86_64, "x86_64", "AMD x86_64", }, { -1, "", "", }, }; static const 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_PLAN9, "plan9", "Plan 9", }, { IH_OS_RTEMS, "rtems", "RTEMS", }, { IH_OS_U_BOOT, "u-boot", "U-Boot", }, { IH_OS_VXWORKS, "vxworks", "VxWorks", }, #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) { IH_OS_QNX, "qnx", "QNX", }, #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 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC) { IH_OS_OPENRTOS, "openrtos", "OpenRTOS", }, #endif { -1, "", "", }, }; static const table_entry_t uimage_type[] = { { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",}, { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, { IH_TYPE_GPIMAGE, "gpimage", "TI Keystone SPL Image",}, { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", }, { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, { IH_TYPE_INVALID, NULL, "Invalid Image", }, { IH_TYPE_MULTI, "multi", "Multi-File Image", }, { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",}, { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",}, { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, { IH_TYPE_SCRIPT, "script", "Script", }, { IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",}, { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",}, { IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",}, { IH_TYPE_X86_SETUP, "x86_setup", "x86 setup.bin", }, { IH_TYPE_LPC32XXIMAGE, "lpc32xximage", "LPC32XX Boot Image", }, { -1, "", "", }, }; static const 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, "", "", }, }; /*****************************************************************************/ /* 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; p = IMAGE_INDENT_STRING; printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); if (IMAGE_ENABLE_TIMESTAMP) { printf("%sCreated: ", p); genimg_print_time((time_t)image_get_time(hdr)); } 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 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) /** * 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"); bootstage_error(BOOTSTAGE_ID_RD_MAGIC); return NULL; } if (!image_check_hcrc(rd_hdr)) { puts("Bad Header Checksum\n"); bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); return NULL; } bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); image_print_contents(rd_hdr); if (verify) { puts(" Verifying Checksum ... "); if (!image_check_dcrc(rd_hdr)) { puts("Bad Data CRC\n"); bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); return NULL; } puts("OK\n"); } bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 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)); bootstage_error(BOOTSTAGE_ID_RAMDISK); return NULL; } return rd_hdr; } #endif #endif /* !USE_HOSTCC */ /*****************************************************************************/ /* Shared dual-format routines */ /*****************************************************************************/ #ifndef USE_HOSTCC ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ ulong save_addr; /* Default Save Address */ ulong save_size; /* Default Save Size (in bytes) */ static int on_loadaddr(const char *name, const char *value, enum env_op op, int flags) { switch (op) { case env_op_create: case env_op_overwrite: load_addr = simple_strtoul(value, NULL, 16); break; default: break; } return 0; } U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 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 } phys_size_t getenv_bootm_mapsize(void) { phys_size_t tmp; char *s = getenv("bootm_mapsize"); if (s) { tmp = (phys_size_t)simple_strtoull(s, NULL, 16); return tmp; } #if defined(CONFIG_SYS_BOOTMAPSZ) return CONFIG_SYS_BOOTMAPSZ; #else return getenv_bootm_size(); #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) if (to > from) { from += len; to += len; } while (len > 0) { size_t tail = (len > chunksz) ? chunksz : len; WATCHDOG_RESET(); if (to > from) { to -= tail; from -= tail; } memmove(to, from, tail); if (to < from) { 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 IMAGE_ENABLE_TIMESTAMP 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 /** * 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(const table_entry_t *table, char *msg, int id) { for (; table->id >= 0; ++table) { if (table->id == id) #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 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(const table_entry_t *table, const char *table_name, const char *name) { const 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_NEEDS_MANUAL_RELOC if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) #else if (t->sname && strcmp(t->sname, 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_kernel_addr_fit - get the real kernel address and return 2 * FIT strings * @img_addr: a string might contain real image address * @fit_uname_config: double pointer to a char, will hold pointer to a * configuration unit name * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage * name * * genimg_get_kernel_addr_fit get the real kernel start address from a string * which is normally the first argv of bootm/bootz * * returns: * kernel start address */ ulong genimg_get_kernel_addr_fit(char * const img_addr, const char **fit_uname_config, const char **fit_uname_kernel) { ulong kernel_addr; /* find out kernel image address */ if (!img_addr) { kernel_addr = load_addr; debug("* kernel: default image load address = 0x%08lx\n", load_addr); #if defined(CONFIG_FIT) } else if (fit_parse_conf(img_addr, load_addr, &kernel_addr, fit_uname_config)) { debug("* kernel: config '%s' from image at 0x%08lx\n", *fit_uname_config, kernel_addr); } else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr, fit_uname_kernel)) { debug("* kernel: subimage '%s' from image at 0x%08lx\n", *fit_uname_kernel, kernel_addr); #endif } else { kernel_addr = simple_strtoul(img_addr, NULL, 16); debug("* kernel: cmdline image address = 0x%08lx\n", kernel_addr); } return kernel_addr; } /** * genimg_get_kernel_addr() is the simple version of * genimg_get_kernel_addr_fit(). It ignores those return FIT strings */ ulong genimg_get_kernel_addr(char * const img_addr) { const char *fit_uname_config = NULL; const char *fit_uname_kernel = NULL; return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config, &fit_uname_kernel); } /** * 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(const void *img_addr) { #if defined(CONFIG_IMAGE_FORMAT_LEGACY) const image_header_t *hdr; hdr = (const image_header_t *)img_addr; if (image_check_magic(hdr)) return IMAGE_FORMAT_LEGACY; #endif #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) if (fdt_check_header(img_addr) == 0) return IMAGE_FORMAT_FIT; #endif #ifdef CONFIG_ANDROID_BOOT_IMAGE if (android_image_check_header(img_addr) == 0) return IMAGE_FORMAT_ANDROID; #endif return IMAGE_FORMAT_INVALID; } /** * genimg_get_image - get image from special storage (if necessary) * @img_addr: image start address * * genimg_get_image() checks if provided image start address 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)) { void *buf; /* 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); buf = map_sysmem(ram_addr, 0); read_dataflash(img_addr, h_size, buf); /* get data size */ switch (genimg_get_format(buf)) { #if defined(CONFIG_IMAGE_FORMAT_LEGACY) case IMAGE_FORMAT_LEGACY: d_size = image_get_data_size(buf); debug(" Legacy format image found at 0x%08lx, " "size 0x%08lx\n", ram_addr, d_size); break; #endif #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: d_size = fit_get_size(buf) - 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 *)(buf + 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; #if defined(CONFIG_IMAGE_FORMAT_LEGACY) const image_header_t *rd_hdr; #endif void *buf; #ifdef CONFIG_SUPPORT_RAW_INITRD char *end; #endif #if defined(CONFIG_FIT) const char *fit_uname_config = images->fit_uname_cfg; const char *fit_uname_ramdisk = NULL; ulong default_addr; int rd_noffset; #endif const char *select = NULL; *rd_start = 0; *rd_end = 0; if (argc >= 2) select = argv[1]; /* * Look for a '-' which indicates to ignore the * ramdisk argument */ if (select && strcmp(select, "-") == 0) { debug("## Skipping init Ramdisk\n"); rd_len = rd_data = 0; } else if (select || genimg_has_config(images)) { #if defined(CONFIG_FIT) if (select) { /* * 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(select, 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(select, 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(select, 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. If the property is not defined, * quit silently. */ rd_addr = map_to_sysmem(images->fit_hdr_os); rd_noffset = fit_get_node_from_config(images, FIT_RAMDISK_PROP, rd_addr); if (rd_noffset == -ENOLINK) return 0; else if (rd_noffset < 0) return 1; } #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. */ buf = map_sysmem(rd_addr, 0); switch (genimg_get_format(buf)) { #if defined(CONFIG_IMAGE_FORMAT_LEGACY) case IMAGE_FORMAT_LEGACY: printf("## Loading init Ramdisk from Legacy " "Image at %08lx ...\n", rd_addr); bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 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; #endif #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: rd_noffset = fit_image_load(images, rd_addr, &fit_uname_ramdisk, &fit_uname_config, arch, IH_TYPE_RAMDISK, BOOTSTAGE_ID_FIT_RD_START, FIT_LOAD_OPTIONAL_NON_ZERO, &rd_data, &rd_len); if (rd_noffset < 0) return 1; images->fit_hdr_rd = map_sysmem(rd_addr, 0); images->fit_uname_rd = fit_uname_ramdisk; images->fit_noffset_rd = rd_noffset; break; #endif default: #ifdef CONFIG_SUPPORT_RAW_INITRD end = NULL; if (select) end = strchr(select, ':'); if (end) { rd_len = simple_strtoul(++end, NULL, 16); rd_data = rd_addr; } else #endif { puts("Wrong Ramdisk Image Format\n"); rd_data = rd_len = rd_load = 0; return 1; } } } 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. */ bootstage_mark(BOOTSTAGE_ID_RAMDISK); 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); } #ifdef CONFIG_ANDROID_BOOT_IMAGE else if ((genimg_get_format((void *)images->os.start) == IMAGE_FORMAT_ANDROID) && (!android_image_get_ramdisk((void *)images->os.start, &rd_data, &rd_len))) { /* empty */ } #endif else { /* * no initrd image */ bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 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; } #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH /** * 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" environment * 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; } bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); *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); #ifdef CONFIG_MP /* * Ensure the image is flushed to memory to handle * AMP boot scenarios in which we might not be * HW cache coherent */ flush_cache((unsigned long)*initrd_start, rd_len); #endif 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 /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ int boot_get_setup(bootm_headers_t *images, uint8_t arch, ulong *setup_start, ulong *setup_len) { #if defined(CONFIG_FIT) return boot_get_setup_fit(images, arch, setup_start, setup_len); #else return -ENOENT; #endif } #ifdef CONFIG_SYS_BOOT_GET_CMDLINE /** * 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 * * boot_get_cmdline() allocates space for kernel command line below * BOOTMAPSZ + getenv_bootm_low() 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) { char *cmdline; char *s; cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, getenv_bootm_mapsize() + getenv_bootm_low()); 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; } #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ #ifdef CONFIG_SYS_BOOT_GET_KBD /** * 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 * * boot_get_kbd() allocates space for kernel copy of board info data below * BOOTMAPSZ + getenv_bootm_low() 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) { *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, getenv_bootm_mapsize() + getenv_bootm_low()); 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_SYS_BOOT_GET_KBD */ #ifdef CONFIG_LMB int image_setup_linux(bootm_headers_t *images) { ulong of_size = images->ft_len; char **of_flat_tree = &images->ft_addr; ulong *initrd_start = &images->initrd_start; ulong *initrd_end = &images->initrd_end; struct lmb *lmb = &images->lmb; ulong rd_len; int ret; if (IMAGE_ENABLE_OF_LIBFDT) boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); if (IMAGE_BOOT_GET_CMDLINE) { ret = boot_get_cmdline(lmb, &images->cmdline_start, &images->cmdline_end); if (ret) { puts("ERROR with allocation of cmdline\n"); return ret; } } if (IMAGE_ENABLE_RAMDISK_HIGH) { rd_len = images->rd_end - images->rd_start; ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, initrd_start, initrd_end); if (ret) return ret; } if (IMAGE_ENABLE_OF_LIBFDT) { ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); if (ret) return ret; } if (IMAGE_ENABLE_OF_LIBFDT && of_size) { ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); if (ret) return ret; } return 0; } #endif /* CONFIG_LMB */ #endif /* !USE_HOSTCC */