| /* |
| * (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 |
| |
| #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 <sha1.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; |
| |
| 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*/ |
| |
| #include <u-boot/crc.h> |
| |
| 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", }, |
| { -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", }, |
| #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 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_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_STANDALONE, "standalone", "Standalone Program", }, |
| { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL 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 |
| /** |
| * 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 /* !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) |
| 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 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_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) |
| { |
| 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)) { |
| 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)) { |
| 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; |
| #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; |
| const image_header_t *rd_hdr; |
| void *buf; |
| #ifdef CONFIG_SUPPORT_RAW_INITRD |
| char *end; |
| #endif |
| #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 = map_to_sysmem(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 = images->fit_hdr_os; |
| 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. |
| */ |
| buf = map_sysmem(rd_addr, 0); |
| switch (genimg_get_format(buf)) { |
| 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; |
| #if defined(CONFIG_FIT) |
| case IMAGE_FORMAT_FIT: |
| fit_hdr = buf; |
| printf("## Loading init Ramdisk from FIT " |
| "Image at %08lx ...\n", rd_addr); |
| |
| bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT); |
| if (!fit_check_format(fit_hdr)) { |
| puts("Bad FIT ramdisk image format!\n"); |
| bootstage_error( |
| BOOTSTAGE_ID_FIT_RD_FORMAT); |
| return 1; |
| } |
| bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT_OK); |
| |
| 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 |
| */ |
| bootstage_mark( |
| BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); |
| cfg_noffset = fit_conf_get_node(fit_hdr, |
| fit_uname_config); |
| if (cfg_noffset < 0) { |
| puts("Could not find configuration " |
| "node\n"); |
| bootstage_error( |
| BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); |
| 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 */ |
| bootstage_mark( |
| BOOTSTAGE_ID_FIT_RD_UNIT_NAME); |
| rd_noffset = fit_image_get_node(fit_hdr, |
| fit_uname_ramdisk); |
| } |
| if (rd_noffset < 0) { |
| puts("Could not find subimage node\n"); |
| bootstage_error(BOOTSTAGE_ID_FIT_RD_SUBNODE); |
| return 1; |
| } |
| |
| printf(" Trying '%s' ramdisk subimage\n", |
| fit_uname_ramdisk); |
| |
| bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK); |
| 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"); |
| bootstage_error(BOOTSTAGE_ID_FIT_RD_GET_DATA); |
| return 1; |
| } |
| bootstage_mark(BOOTSTAGE_ID_FIT_RD_GET_DATA_OK); |
| |
| 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"); |
| bootstage_error(BOOTSTAGE_ID_FIT_RD_LOAD); |
| return 1; |
| } |
| bootstage_mark(BOOTSTAGE_ID_FIT_RD_LOAD); |
| |
| images->fit_hdr_rd = fit_hdr; |
| images->fit_uname_rd = fit_uname_ramdisk; |
| images->fit_noffset_rd = rd_noffset; |
| break; |
| #endif |
| default: |
| #ifdef CONFIG_SUPPORT_RAW_INITRD |
| if (argc >= 3 && (end = strchr(argv[2], ':'))) { |
| 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); |
| } 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" 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; |
| } |
| 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 */ |
| |
| #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 */ |
| #endif /* !USE_HOSTCC */ |