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Diffstat (limited to 'common/image.c')
-rw-r--r-- | common/image.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/common/image.c b/common/image.c new file mode 100644 index 0000000000..fd574430b2 --- /dev/null +++ b/common/image.c @@ -0,0 +1,309 @@ +/* + * (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 + */ + +#ifdef __BAREBOX__ +#include <common.h> +#include <image.h> +#include <rtc.h> +#else +#include <time.h> +#endif + +#if defined(CONFIG_CMD_BOOTM_SHOW_TYPE) || !defined(__BAREBOX__) +typedef struct table_entry { + int id; /* as defined in image.h */ + char *sname; /* short (input) name */ + char *lname; /* long (output) name */ +} table_entry_t; + +static table_entry_t arch_name[] = { + { IH_ARCH_INVALID, NULL, "Invalid CPU", }, + { 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", "MC68000", }, + { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, + { IH_ARCH_MIPS, "mips", "MIPS", }, + { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, + { IH_ARCH_NIOS, "nios", "NIOS", }, + { IH_ARCH_NIOS2, "nios2", "NIOS II", }, + { IH_ARCH_PPC, "ppc", "PowerPC", }, + { IH_ARCH_S390, "s390", "IBM S390", }, + { IH_ARCH_SH, "sh", "SuperH", }, + { IH_ARCH_SPARC, "sparc", "SPARC", }, + { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, + { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, + { IH_ARCH_AVR32, "avr32", "AVR32", }, + { -1, "", "", }, +}; + +static table_entry_t os_name[] = { + { IH_OS_INVALID, NULL, "Invalid OS", }, +#ifndef __BAREBOX__ + { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, + { IH_OS_ARTOS, "artos", "ARTOS", }, + { IH_OS_DELL, "dell", "Dell", }, + { IH_OS_ESIX, "esix", "Esix", }, + { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, + { IH_OS_IRIX, "irix", "Irix", }, +#endif + { IH_OS_LINUX, "linux", "Linux", }, +#ifndef __BAREBOX__ + { IH_OS_LYNXOS, "lynxos", "LynxOS", }, + { IH_OS_NCR, "ncr", "NCR", }, + { IH_OS_NETBSD, "netbsd", "NetBSD", }, + { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, + { IH_OS_PSOS, "psos", "pSOS", }, + { IH_OS_QNX, "qnx", "QNX", }, + { IH_OS_RTEMS, "rtems", "RTEMS", }, + { IH_OS_SCO, "sco", "SCO", }, + { IH_OS_SOLARIS, "solaris", "Solaris", }, + { IH_OS_SVR4, "svr4", "SVR4", }, +#endif + { IH_OS_BAREBOX, "barebox", "barebox", }, +#ifndef __BAREBOX__ + { IH_OS_VXWORKS, "vxworks", "VxWorks", }, +#endif + { -1, "", "", }, +}; + +static table_entry_t type_name[] = { + { IH_TYPE_INVALID, NULL, "Invalid Image", }, + { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, + { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, + { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, + { IH_TYPE_MULTI, "multi", "Multi-File Image", }, + { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, + { IH_TYPE_SCRIPT, "script", "Script", }, + { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, + { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, + { -1, "", "", }, +}; + +static table_entry_t comp_name[] = { + { IH_COMP_NONE, "none", "uncompressed", }, + { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, + { IH_COMP_GZIP, "gzip", "gzip compressed", }, + { -1, "", "", }, +}; + +static char *get_table_entry_name(table_entry_t *table, char *msg, int id) +{ + for (; table->id >= 0; ++table) { + if (table->id == id) + return table->lname; + } + + return msg; +} + +const char *image_get_os_name(uint8_t os) +{ + return get_table_entry_name(os_name, "Unknown OS", os); +} + +const char *image_get_arch_name(uint8_t arch) +{ + return get_table_entry_name(arch_name, "Unknown Architecture", arch); +} + +const char *image_get_type_name(uint8_t type) +{ + return get_table_entry_name(type_name, "Unknown Image", type); +} + +const char *image_get_comp_name(uint8_t comp) +{ + return get_table_entry_name(comp_name, "Unknown Compression", comp); +} +#endif + +/** + * 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 = 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)\n", arch, os, type, comp); +} + +#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || !defined(__BAREBOX__) +static void image_print_time(time_t timestamp) +{ +#if defined(__BAREBOX__) + struct rtc_time tm; + + to_tm(timestamp, &tm); + printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", + tm.tm_year, tm.tm_mon, tm.tm_mday, + tm.tm_hour, tm.tm_min, tm.tm_sec); +#else + printf("%s", ctime(×tamp)); +#endif +} +#endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || !__BAREBOX__ */ + +void image_print_size(uint32_t size) +{ +#ifdef __BAREBOX__ + printf("%d Bytes = %s\n", size, size_human_readable(size)); +#else + printf("%d Bytes = %.2f kB = %.2f MB\n", + size, (double)size / 1.024e3, + (double)size / 1.048576e6); +#endif +} + +void image_print_contents(const void *ptr) +{ + const image_header_t *hdr = (const image_header_t *)ptr; + const char *p; + +#ifdef __BAREBOX__ + p = " "; +#else + p = ""; +#endif + + printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); +#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || !defined(__BAREBOX__) + printf("%sCreated: ", p); + image_print_time((time_t)image_get_time(hdr)); +#endif + printf ("%sImage Type: ", p); + image_print_type(hdr); + printf ("%sData Size: ", p); + image_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); + image_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); + } + } + } +} |