diff options
Diffstat (limited to 'common/cmd_ximg.c')
| -rw-r--r-- | common/cmd_ximg.c | 168 |
1 files changed, 107 insertions, 61 deletions
diff --git a/common/cmd_ximg.c b/common/cmd_ximg.c index 52e0614..7916fc1 100644 --- a/common/cmd_ximg.c +++ b/common/cmd_ximg.c @@ -24,7 +24,6 @@ * MA 02111-1307 USA */ -#if defined(CONFIG_CMD_XIMG) /* * Multi Image extract @@ -37,92 +36,136 @@ int do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - ulong addr = load_addr, dest = 0; - ulong data, len, checksum; - ulong *len_ptr; - int i, verify, part = 0; - char pbuf[10], *s; - image_header_t header; + ulong addr = load_addr; + ulong dest = 0; + ulong data, len, count; + int verify; + int part = 0; + char pbuf[10]; + image_header_t *hdr; +#if defined(CONFIG_FIT) + const char *uname = NULL; + const void* fit_hdr; + int noffset; + const void *fit_data; + size_t fit_len; +#endif - s = getenv("verify"); - verify = (s && (*s == 'n')) ? 0 : 1; + verify = getenv_verify (); if (argc > 1) { addr = simple_strtoul(argv[1], NULL, 16); } if (argc > 2) { part = simple_strtoul(argv[2], NULL, 16); +#if defined(CONFIG_FIT) + uname = argv[2]; +#endif } if (argc > 3) { dest = simple_strtoul(argv[3], NULL, 16); } - printf("## Copying from image at %08lx ...\n", addr); - - /* Copy header so we can blank CRC field for re-calculation */ - memmove(&header, (char *) addr, sizeof (image_header_t)); - - if (ntohl(header.ih_magic) != IH_MAGIC) { - printf("Bad Magic Number\n"); - return 1; - } + switch (genimg_get_format ((void *)addr)) { + case IMAGE_FORMAT_LEGACY: - data = (ulong) & header; - len = sizeof (image_header_t); + printf("## Copying part %d from legacy image " + "at %08lx ...\n", part, addr); - checksum = ntohl(header.ih_hcrc); - header.ih_hcrc = 0; + hdr = (image_header_t *)addr; + if (!image_check_magic (hdr)) { + printf("Bad Magic Number\n"); + return 1; + } - if (crc32(0, (char *) data, len) != checksum) { - printf("Bad Header Checksum\n"); - return 1; - } + if (!image_check_hcrc (hdr)) { + printf("Bad Header Checksum\n"); + return 1; + } #ifdef DEBUG - print_image_hdr((image_header_t *) addr); + image_print_contents (hdr); #endif - data = addr + sizeof (image_header_t); - len = ntohl(header.ih_size); + if (!image_check_type (hdr, IH_TYPE_MULTI)) { + printf("Wrong Image Type for %s command\n", + cmdtp->name); + return 1; + } - if (header.ih_type != IH_TYPE_MULTI) { - printf("Wrong Image Type for %s command\n", cmdtp->name); - return 1; - } + if (image_get_comp (hdr) != IH_COMP_NONE) { + printf("Wrong Compression Type for %s command\n", + cmdtp->name); + return 1; + } - if (header.ih_comp != IH_COMP_NONE) { - printf("Wrong Compression Type for %s command\n", cmdtp->name); - return 1; - } + if (verify) { + printf(" Verifying Checksum ... "); + if (!image_check_dcrc (hdr)) { + printf("Bad Data CRC\n"); + return 1; + } + printf("OK\n"); + } - if (verify) { - printf(" Verifying Checksum ... "); - if (crc32(0, (char *) data, len) != ntohl(header.ih_dcrc)) { - printf("Bad Data CRC\n"); + count = image_multi_count (hdr); + if (part >= count) { + printf("Bad Image Part\n"); + return 1; + } + + image_multi_getimg (hdr, part, &data, &len); + break; +#if defined(CONFIG_FIT) + case IMAGE_FORMAT_FIT: + if (uname == NULL) { + puts ("No FIT subimage unit name\n"); + return 1; + } + + printf("## Copying '%s' subimage from FIT image " + "at %08lx ...\n", uname, addr); + + fit_hdr = (const void *)addr; + if (!fit_check_format (fit_hdr)) { + puts ("Bad FIT image format\n"); + return 1; + } + + /* get subimage node offset */ + noffset = fit_image_get_node (fit_hdr, uname); + if (noffset < 0) { + printf ("Can't find '%s' FIT subimage\n", uname); return 1; } - printf("OK\n"); - } - len_ptr = (ulong *) data; - - data += 4; /* terminator */ - for (i = 0; len_ptr[i]; ++i) { - data += 4; - if (argc > 2 && part > i) { - u_long tail; - len = ntohl(len_ptr[i]); - tail = len % 4; - data += len; - if (tail) { - data += 4 - tail; + if (fit_image_check_comp (fit_hdr, noffset, IH_COMP_NONE)) { + printf("Wrong Compression Type for %s command\n", + cmdtp->name); + return 1; + } + + /* verify integrity */ + if (verify) { + if (!fit_image_check_hashes (fit_hdr, noffset)) { + puts ("Bad Data Hash\n"); + return 1; } } - } - if (argc > 2 && part >= i) { - printf("Bad Image Part\n"); + + /* get subimage data address and length */ + if (fit_image_get_data (fit_hdr, noffset, &fit_data, &fit_len)) { + puts ("Could not find script subimage data\n"); + return 1; + } + + data = (ulong)fit_data; + len = (ulong)fit_len; + break; +#endif + default: + puts ("Invalid image type for imxtract\n"); return 1; } - len = ntohl(len_ptr[part]); if (argc > 3) { memcpy((char *) dest, (char *) data, len); @@ -139,6 +182,9 @@ do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) U_BOOT_CMD(imxtract, 4, 1, do_imgextract, "imxtract- extract a part of a multi-image\n", "addr part [dest]\n" - " - extract <part> from image at <addr> and copy to <dest>\n"); - + " - extract <part> from legacy image at <addr> and copy to <dest>\n" +#if defined(CONFIG_FIT) + "addr uname [dest]\n" + " - extract <uname> subimage from FIT image at <addr> and copy to <dest>\n" #endif +); |