X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/302118701d44f3d6033d14cc5d594aeed5372fa0..1fa0de6285fdd9241fe29474319f1bd6743828c0:/tools/firmware-utils/src/imagetag.c diff --git a/tools/firmware-utils/src/imagetag.c b/tools/firmware-utils/src/imagetag.c index bd62b2033..1fb45e9e9 100644 --- a/tools/firmware-utils/src/imagetag.c +++ b/tools/firmware-utils/src/imagetag.c @@ -29,7 +29,7 @@ union int2char { uint32_t input; - unsigned char output[4]; + char output[4]; }; /* This appears to be necessary due to alignment issues */ @@ -43,7 +43,7 @@ struct kernelhdr { uint32_t lzmalen; /* Compressed length of the LZMA data that follows */ }; -static struct tagiddesc_t tagidtab[NUM_TAGID] = TAGID_DEFINITIONS; +static char pirellitab[NUM_PIRELLI][BOARDID_LEN] = PIRELLI_BOARDS; static uint32_t crc32tab[256] = { 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, @@ -94,7 +94,7 @@ uint32_t compute_crc32(uint32_t crc, FILE *binfile, size_t compute_start, size_t size_t read; fseek(binfile, compute_start, SEEK_SET); - + /* read block of 1024 bytes */ while (binfile && !feof(binfile) && !ferror(binfile) && (compute_len >= sizeof(readbuf))) { read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), binfile); @@ -130,9 +130,9 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin, const char *boardid, const char *chipid, const uint32_t fwaddr, const uint32_t loadaddr, const uint32_t entry, const char *ver, const char *magic2, const uint32_t flash_bs, - const char *tagid, const char *information, const char *layoutver) + const char *rsignature, const char *layoutver) { - union bcm_tag tag; + struct bcm_tag tag; struct kernelhdr khdr; FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile; size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen, rootfsoffpadlen, kernelfslen; @@ -143,23 +143,26 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin, uint32_t kernelfscrc = IMAGETAG_CRC_START; const uint32_t deadcode = htonl(DEADCODE); union int2char intchar; + int i; + int is_pirelli = 0; - memset(&tag, 0, sizeof(union bcm_tag)); + memset(&tag, 0, sizeof(struct bcm_tag)); - /* All imagetags have boardid in the same location and of the same - * size, so we just use the bccfe one - */ - if (strlen(boardid) >= sizeof(tag.bccfe.boardid)) { + if (strlen(boardid) >= sizeof(tag.boardid)) { fprintf(stderr, "Board id is too long!\n"); return 1; } /* Likewise chipid */ - if (strlen(chipid) >= sizeof(tag.bccfe.chipid)) { + if (strlen(chipid) >= sizeof(tag.chipid)) { fprintf(stderr, "Chip id is too long!\n"); return 1; } + if (!kernel || !rootfs) { + fprintf(stderr, "imagetag can't create an image without both kernel and rootfs\n"); + } + if (kernel && !(kernelfile = fopen(kernel, "rb"))) { fprintf(stderr, "Unable to open kernel \"%s\"\n", kernel); return 1; @@ -218,204 +221,75 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin, printf("Data alignment to %dk with 'deadc0de' appended\n", flash_bs/1024); fseek(binfile, rootfsoff + rootfslen - fwaddr, SEEK_SET); fwrite(&deadcode, sizeof(uint32_t), 1, binfile); - - - /* Choose and compute the CRC32 that should be inserted in the tag */ - if ( tagid && ( (strncmp(tagid, "bccfe", TAGID_LEN) == 0)) || ( strncmp(tagid, "bc300", TAGID_LEN) == 0)) { - /* Compute the crc32 of the entire image (deadC0de included) */ - imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen); - } else if ( tagid && (strncmp(tagid, "ag306", TAGID_LEN) == 0)) { - /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ - kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen); - } else if ( tagid && ( (strncmp(tagid, "bc221", TAGID_LEN) == 0))) { - /* Compute the crc32 of the entire image (deadC0de included) */ - imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen); - /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ - kernelfscrc = compute_crc32(kernelfscrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen + rootfslen + sizeof(deadcode)); - } else if ( tagid && (strncmp(tagid, "bc310", TAGID_LEN) == 0) ) { - /* Compute the crc32 of the entire image (deadC0de included) */ - imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen); - /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ - kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen); - /* Compute the crc32 of the flashImageStart to rootLength. - * The broadcom firmware assumes the rootfs starts the image, - * therefore uses the rootfs start to determine where to flash - * the image. Since we have the kernel first we have to give - * it the kernel address, but the crc uses the length - * associated with this address, which is added to the kernel - * length to determine the length of image to flash and thus - * needs to be rootfs + deadcode - */ - rootfscrc = compute_crc32(rootfscrc, binfile, kerneloff - fwaddr, rootfslen + sizeof(deadcode)); - } - + + /* Flush the binfile buffer so that when we read from file, it contains + * everything in the buffer + */ + fflush(binfile); + + /* Compute the crc32 of the entire image (deadC0de included) */ + imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen); + /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ + kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen); + /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ + kernelfscrc = compute_crc32(kernelfscrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen + rootfslen + sizeof(deadcode)); + /* Compute the crc32 of the flashImageStart to rootLength. + * The broadcom firmware assumes the rootfs starts the image, + * therefore uses the rootfs start to determine where to flash + * the image. Since we have the kernel first we have to give + * it the kernel address, but the crc uses the length + * associated with this address, which is added to the kernel + * length to determine the length of image to flash and thus + * needs to be rootfs + deadcode + */ + rootfscrc = compute_crc32(rootfscrc, binfile, kerneloff - fwaddr, rootfslen + sizeof(deadcode)); + /* Close the files */ fclose(kernelfile); fclose(rootfsfile); - if ( tagid && (strcmp(tagid, "bccfe") == 0)) { - /* Build the tag */ - strncpy(tag.bccfe.tagVersion, ver, TAGVER_LEN); - strncpy(tag.bccfe.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bccfe.sig_1) - 1); - strncpy(tag.bccfe.sig_2, magic2, sizeof(tag.bccfe.sig_2) - 1); - strcpy(tag.bccfe.chipid, chipid); - strcpy(tag.bccfe.boardid, boardid); - strcpy(tag.bccfe.big_endian, "1"); - sprintf(tag.bccfe.totalLength, "%lu", imagelen); - - /* We don't include CFE */ - strcpy(tag.bccfe.cfeAddress, "0"); - strcpy(tag.bccfe.cfeLength, "0"); - - if (kernelfile) { - sprintf(tag.bccfe.kernelAddress, "%lu", kerneloff); - sprintf(tag.bccfe.kernelLength, "%lu", kernellen + rootfsoffpadlen); - } - - if (rootfsfile) { - sprintf(tag.bccfe.rootAddress, "%lu", rootfsoff); - sprintf(tag.bccfe.rootLength, "%lu", rootfslen); - } - - strncpy(tag.bccfe.tagId, "bccfe", TAGID_LEN); - - int2tag(tag.bccfe.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bccfe.tagId[0]), TAGID_LEN)); - int2tag(tag.bccfe.imageCRC, imagecrc); - int2tag(tag.bccfe.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); - } else if ( tagid && (strcmp(tagid, "bc300") == 0)) { - /* Build the tag */ - strncpy(tag.bc300.tagVersion, ver, TAGVER_LEN); - strncpy(tag.bc300.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc300.sig_1) - 1); - strncpy(tag.bc300.sig_2, magic2, sizeof(tag.bc300.sig_2) - 1); - strcpy(tag.bc300.chipid, chipid); - strcpy(tag.bc300.boardid, boardid); - strcpy(tag.bc300.big_endian, "1"); - sprintf(tag.bc300.totalLength, "%lu", imagelen); - - /* We don't include CFE */ - strcpy(tag.bc300.cfeAddress, "0"); - strcpy(tag.bc300.cfeLength, "0"); - - if (kernelfile) { - sprintf(tag.bc300.kernelAddress, "%lu", kerneloff); - sprintf(tag.bc300.kernelLength, "%lu", kernellen + rootfsoffpadlen); - } - - if (rootfsfile) { - sprintf(tag.bc300.flashImageStart, "%lu", kerneloff); - sprintf(tag.bc300.flashRootLength, "%lu", rootfslen + sizeof(deadcode)); - sprintf(tag.bc300.rootAddress, "%lu", rootfsoff); - sprintf(tag.bc300.rootLength, "%lu", rootfslen); - } - - strncpy(tag.bc300.tagId, "bc300", TAGID_LEN); - - int2tag(tag.bc300.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc300.tagId[0]), TAGID_LEN)); - int2tag(tag.bc300.imageCRC, imagecrc); - int2tag(tag.bc300.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); - } else if ( tagid && (strcmp(tagid, "ag306") == 0)) { - /* Build the tag */ - strncpy(tag.ag306.tagVersion, ver, TAGVER_LEN); - strncpy(tag.ag306.sig_1, IMAGETAG_MAGIC1, sizeof(tag.ag306.sig_1) - 1); - strncpy(tag.ag306.sig_2, magic2, sizeof(tag.ag306.sig_2) - 1); - strcpy(tag.ag306.chipid, chipid); - strcpy(tag.ag306.boardid, boardid); - strcpy(tag.ag306.big_endian, "1"); - sprintf(tag.ag306.totalLength, "%lu", imagelen); - - /* We don't include CFE */ - strcpy(tag.ag306.cfeAddress, "0"); - strcpy(tag.ag306.cfeLength, "0"); - - if (kernelfile) { - sprintf(tag.ag306.kernelAddress, "%lu", kerneloff); - sprintf(tag.ag306.kernelLength, "%lu", kernellen + rootfsoffpadlen); - } - - if (rootfsfile) { - sprintf(tag.ag306.flashImageStart, "%lu", kerneloff); - sprintf(tag.ag306.flashRootLength, "%lu", rootfslen + sizeof(deadcode)); - sprintf(tag.ag306.rootAddress, "%lu", rootfsoff); - sprintf(tag.ag306.rootLength, "%lu", rootfslen); - } - - strncpy(tag.ag306.tagId, "ag306", TAGID_LEN); - - int2tag(tag.ag306.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.ag306.tagId[0]), TAGID_LEN)); - int2tag(tag.ag306.kernelCRC, kernelcrc); - int2tag(tag.ag306.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); - } else if ( tagid && (strcmp(tagid, "bc221") == 0)) { - /* Build the tag */ - strncpy(tag.bc221.tagVersion, ver, TAGVER_LEN); - strncpy(tag.bc221.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc221.sig_1) - 1); - strncpy(tag.bc221.sig_2, magic2, sizeof(tag.bc221.sig_2) - 1); - strcpy(tag.bc221.chipid, chipid); - strcpy(tag.bc221.boardid, boardid); - strcpy(tag.bc221.big_endian, "1"); - sprintf(tag.bc221.totalLength, "%lu", imagelen); - - /* We don't include CFE */ - strcpy(tag.bc221.cfeAddress, "0"); - strcpy(tag.bc221.cfeLength, "0"); - - if (kernelfile) { - sprintf(tag.bc221.kernelAddress, "%lu", kerneloff); - sprintf(tag.bc221.kernelLength, "%lu", kernellen + rootfsoffpadlen); - } - - if (rootfsfile) { - sprintf(tag.bc221.flashImageStart, "%lu", kerneloff); - sprintf(tag.bc221.flashRootLength, "%lu", rootfslen + sizeof(deadcode)); - sprintf(tag.bc221.rootAddress, "%lu", rootfsoff); - sprintf(tag.bc221.rootLength, "%lu", rootfslen); - } - - strncpy(tag.bc221.tagId, "bc221", TAGID_LEN); - if (layoutver) { - strncpy(tag.bc221.flashLayoutVer, layoutver, TAGLAYOUT_LEN); - } - - int2tag(tag.bc221.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc221.tagId[0]), TAGID_LEN)); - int2tag(tag.bc221.imageCRC, imagecrc); - int2tag(tag.bc221.fskernelCRC, kernelfscrc); - int2tag(tag.bc221.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); - } else if ( tagid && (strcmp(tagid, "bc310") == 0)) { - /* Build the tag */ - strncpy(tag.bc310.tagVersion, ver, TAGVER_LEN); - strncpy(tag.bc310.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc310.sig_1) - 1); - strncpy(tag.bc310.sig_2, magic2, sizeof(tag.bc310.sig_2) - 1); - strcpy(tag.bc310.chipid, chipid); - strcpy(tag.bc310.boardid, boardid); - strcpy(tag.bc310.big_endian, "1"); - sprintf(tag.bc310.totalLength, "%lu", imagelen); - - /* We don't include CFE */ - strcpy(tag.bc310.cfeAddress, "0"); - strcpy(tag.bc310.cfeLength, "0"); - - if (kernelfile) { - sprintf(tag.bc310.kernelAddress, "%lu", kerneloff); - sprintf(tag.bc310.kernelLength, "%lu", kernellen + rootfsoffpadlen); - } - - if (rootfsfile) { - sprintf(tag.bc310.flashImageStart, "%lu", kerneloff); - sprintf(tag.bc310.flashRootLength, "%lu", rootfslen + sizeof(deadcode)); - sprintf(tag.bc310.rootAddress, "%lu", rootfsoff); - sprintf(tag.bc310.rootLength, "%lu", rootfslen); - } - - strncpy(tag.bc310.tagId, "bc310", TAGID_LEN); - if (information) { - strncpy(tag.bc310.information1, information, TAGINFO_LEN); - } - - int2tag(tag.bc310.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc310.tagId[0]), TAGID_LEN)); - int2tag(tag.bc310.imageCRC, imagecrc); - int2tag(tag.bc310.kernelCRC, kernelcrc); - int2tag(tag.bc310.rootfsCRC, rootfscrc); - int2tag(tag.bc310.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); + /* Build the tag */ + strncpy(tag.tagVersion, ver, TAGVER_LEN); + strncpy(tag.sig_1, IMAGETAG_MAGIC1, sizeof(tag.sig_1) - 1); + strncpy(tag.sig_2, magic2, sizeof(tag.sig_2) - 1); + strcpy(tag.chipid, chipid); + strcpy(tag.boardid, boardid); + strcpy(tag.big_endian, "1"); + sprintf(tag.totalLength, "%lu", imagelen); + + /* We don't include CFE */ + strcpy(tag.cfeAddress, "0"); + strcpy(tag.cfeLength, "0"); + + sprintf(tag.kernelAddress, "%lu", kerneloff); + sprintf(tag.kernelLength, "%lu", kernellen + rootfsoffpadlen); + sprintf(tag.flashImageStart, "%lu", kerneloff); + sprintf(tag.rootLength, "%lu", rootfslen + sizeof(deadcode)); + + if (rsignature) { + strncpy(tag.rsa_signature, rsignature, RSASIG_LEN); + } + + if (layoutver) { + strncpy(tag.flashLayoutVer, layoutver, TAGLAYOUT_LEN); + } + + for (i = 0; i < NUM_PIRELLI; i++) { + if (strncmp(boardid, pirellitab[i], BOARDID_LEN) == 0) { + is_pirelli = 1; + break; + } + } + + if ( !is_pirelli ) { + int2tag(tag.imageCRC, imagecrc); + } else { + int2tag(tag.imageCRC, kernelcrc); } + int2tag(tag.kernelCRC, kernelcrc); + int2tag(tag.rootfsCRC, rootfscrc); + int2tag(tag.fskernelCRC, kernelfscrc); + int2tag(tag.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); fseek(binfile, 0L, SEEK_SET); fwrite(&tag, sizeof(uint8_t), sizeof(tag), binfile); @@ -428,12 +302,12 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin, int main(int argc, char **argv) { int c, i; - char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver, *tagid, *information, *layoutver; + char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver, *tagid, *rsignature, *layoutver; uint32_t flashstart, fwoffset, loadaddr, entry; uint32_t fwaddr, flash_bs; int tagidfound = 0; - - kernel = rootfs = bin = boardid = chipid = magic2 = ver = tagid = information = layoutver = NULL; + + kernel = rootfs = bin = boardid = chipid = magic2 = ver = rsignature = layoutver = NULL; entry = 0; flashstart = DEFAULT_FLASH_START; @@ -441,11 +315,11 @@ int main(int argc, char **argv) loadaddr = IMAGETAG_DEFAULT_LOADADDR; flash_bs = DEFAULT_FLASH_BS; - printf("Broadcom image tagger - v0.2.0\n"); + printf("Broadcom image tagger - v1.0.0\n"); printf("Copyright (C) 2008 Axel Gembe\n"); - printf("Copyright (C) 2009 Daniel Dickinson\n"); + printf("Copyright (C) 2009-2010 Daniel Dickinson\n"); - while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h:t:d:y:")) != -1) { + while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h:r:y:")) != -1) { switch (c) { case 'i': kernel = optarg; @@ -483,11 +357,8 @@ int main(int argc, char **argv) case 'e': entry = strtoul(optarg, NULL, 16); break; - case 't': - tagid = optarg; - break; - case 'd': - information = optarg; + case 'r': + rsignature = optarg; break; case 'y': layoutver = optarg; @@ -507,9 +378,8 @@ int main(int argc, char **argv) fprintf(stderr, " -k - flash erase block size\n"); fprintf(stderr, " -l - Address where the kernel expects to be loaded (defaults to 0x80010000)\n"); fprintf(stderr, " -e - Address where the kernel entry point will end up\n"); - fprintf(stderr, " -t - type if imagetag to create, use 'list' to see available choices"); - fprintf(stderr, " -d - vendor specific information, for those that need it"); - fprintf(stderr, " -y - Flash Layout Version (2.2x code versions need this)"); + fprintf(stderr, " -r - vendor specific signature, for those that need it"); + fprintf(stderr, " -y - Flash Layout Version (2.2x code versions need this)"); fprintf(stderr, " -h - Displays this text\n\n"); return 1; } @@ -524,43 +394,11 @@ int main(int argc, char **argv) fprintf(stderr, "You need to specify the kernel entry (-e)\n"); return 1; } - - tagidfound = 0; - if (!tagid) { - fprintf(stderr, "You must specify a tagid (-t)\n"); - } else { - if (strncmp(tagid, "list", 4) == 0) { - fprintf(stderr, "\n----------------------------------------\n"); - fprintf(stderr, "\tAvailable tagId:"); - fprintf(stderr, "\n\n"); - for (i = 0; i < NUM_TAGID; i++) { - fprintf(stderr, "\t%s\t%s", tagidtab[i].tagid, tagidtab[i].tagiddesc); - } - fprintf(stderr, "\n----------------------------------------\n"); - return 0; - } - } - - if (tagid) { - for(i = 0; i < NUM_TAGID; i++) { - if (strncmp(tagid, tagidtab[i].tagid, TAGID_LEN) == 0) { - tagidfound = 1; - break; - } - } - if (!tagidfound) { - if (tagid) { - fprintf(stderr, "The tagid you selected '%s' does't exist.\n", tagid); - } - fprintf(stderr, "Use -t list to see the list of available ids"); - return 1; - } - } /* Fallback to defaults */ fwaddr = flashstart + fwoffset; - + if (!magic2) { magic2 = malloc(sizeof(char) * 14); if (!magic2) { @@ -578,7 +416,7 @@ int main(int argc, char **argv) } strcpy(ver, IMAGETAG_VER); } - - return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs, tagid, information, layoutver); + + return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs, rsignature, layoutver); }