| 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2008 Axel Gembe <ago@bastart.eu.org> |
| 7 | * Copyright (C) 2009-2010 Daniel Dickinson <openwrt@cshore.neomailbox.net> |
| 8 | */ |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <string.h> |
| 13 | #include <stdint.h> |
| 14 | #include <time.h> |
| 15 | #include <unistd.h> |
| 16 | #include <sys/stat.h> |
| 17 | #include <netinet/in.h> |
| 18 | |
| 19 | #include "bcm_tag.h" |
| 20 | #include "imagetag_cmdline.h" |
| 21 | |
| 22 | #define DEADCODE 0xDEADC0DE |
| 23 | |
| 24 | /* Kernel header */ |
| 25 | struct kernelhdr { |
| 26 | uint32_t loadaddr; /* Kernel load address */ |
| 27 | uint32_t entry; /* Kernel entry point address */ |
| 28 | uint32_t lzmalen; /* Compressed length of the LZMA data that follows */ |
| 29 | }; |
| 30 | |
| 31 | static char pirellitab[NUM_PIRELLI][BOARDID_LEN] = PIRELLI_BOARDS; |
| 32 | |
| 33 | static uint32_t crc32tab[256] = { |
| 34 | 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, |
| 35 | 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, |
| 36 | 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, |
| 37 | 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, |
| 38 | 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, |
| 39 | 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, |
| 40 | 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, |
| 41 | 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, |
| 42 | 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, |
| 43 | 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, |
| 44 | 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, |
| 45 | 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, |
| 46 | 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, |
| 47 | 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, |
| 48 | 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, |
| 49 | 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, |
| 50 | 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, |
| 51 | 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, |
| 52 | 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, |
| 53 | 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, |
| 54 | 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, |
| 55 | 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, |
| 56 | 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, |
| 57 | 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, |
| 58 | 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, |
| 59 | 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, |
| 60 | 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, |
| 61 | 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, |
| 62 | 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, |
| 63 | 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, |
| 64 | 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, |
| 65 | 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D |
| 66 | }; |
| 67 | |
| 68 | void int2tag(char *tag, uint32_t value) { |
| 69 | uint32_t network = htonl(value); |
| 70 | memcpy(tag, (char *)(&network), 4); |
| 71 | } |
| 72 | |
| 73 | uint32_t crc32(uint32_t crc, uint8_t *data, size_t len) |
| 74 | { |
| 75 | while (len--) |
| 76 | crc = (crc >> 8) ^ crc32tab[(crc ^ *data++) & 0xFF]; |
| 77 | |
| 78 | return crc; |
| 79 | } |
| 80 | |
| 81 | uint32_t compute_crc32(uint32_t crc, FILE *binfile, size_t compute_start, size_t compute_len) |
| 82 | { |
| 83 | uint8_t readbuf[1024]; |
| 84 | size_t read; |
| 85 | |
| 86 | fseek(binfile, compute_start, SEEK_SET); |
| 87 | |
| 88 | /* read block of 1024 bytes */ |
| 89 | while (binfile && !feof(binfile) && !ferror(binfile) && (compute_len >= sizeof(readbuf))) { |
| 90 | read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), binfile); |
| 91 | crc = crc32(crc, readbuf, read); |
| 92 | compute_len = compute_len - read; |
| 93 | } |
| 94 | |
| 95 | /* Less than 1024 bytes remains, read compute_len bytes */ |
| 96 | if (binfile && !feof(binfile) && !ferror(binfile) && (compute_len > 0)) { |
| 97 | read = fread(readbuf, sizeof(uint8_t), compute_len, binfile); |
| 98 | crc = crc32(crc, readbuf, read); |
| 99 | } |
| 100 | |
| 101 | return crc; |
| 102 | } |
| 103 | |
| 104 | size_t getlen(FILE *fp) |
| 105 | { |
| 106 | size_t retval, curpos; |
| 107 | |
| 108 | if (!fp) |
| 109 | return 0; |
| 110 | |
| 111 | curpos = ftell(fp); |
| 112 | fseek(fp, 0, SEEK_END); |
| 113 | retval = ftell(fp); |
| 114 | fseek(fp, curpos, SEEK_SET); |
| 115 | |
| 116 | return retval; |
| 117 | } |
| 118 | |
| 119 | int tagfile(const char *kernel, const char *rootfs, const char *bin, \ |
| 120 | const struct gengetopt_args_info *args, \ |
| 121 | uint32_t flash_start, uint32_t image_offset, \ |
| 122 | uint32_t block_size, uint32_t load_address, uint32_t entry) |
| 123 | { |
| 124 | struct bcm_tag tag; |
| 125 | struct kernelhdr khdr; |
| 126 | FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile = NULL, *cfefile = NULL; |
| 127 | size_t cfeoff, cfelen, kerneloff, kernellen, rootfsoff, rootfslen, \ |
| 128 | read, imagelen, rootfsoffpadlen = 0, kernelfslen, kerneloffpadlen = 0, oldrootfslen; |
| 129 | uint8_t readbuf[1024]; |
| 130 | uint32_t imagecrc = IMAGETAG_CRC_START; |
| 131 | uint32_t kernelcrc = IMAGETAG_CRC_START; |
| 132 | uint32_t rootfscrc = IMAGETAG_CRC_START; |
| 133 | uint32_t kernelfscrc = IMAGETAG_CRC_START; |
| 134 | uint32_t fwaddr = 0; |
| 135 | uint8_t crc_val; |
| 136 | const uint32_t deadcode = htonl(DEADCODE); |
| 137 | int i; |
| 138 | int is_pirelli = 0; |
| 139 | |
| 140 | |
| 141 | memset(&tag, 0, sizeof(struct bcm_tag)); |
| 142 | |
| 143 | if (!kernel || !rootfs) { |
| 144 | fprintf(stderr, "imagetag can't create an image without both kernel and rootfs\n"); |
| 145 | } |
| 146 | |
| 147 | if (kernel && !(kernelfile = fopen(kernel, "rb"))) { |
| 148 | fprintf(stderr, "Unable to open kernel \"%s\"\n", kernel); |
| 149 | return 1; |
| 150 | } |
| 151 | |
| 152 | if (rootfs && !(rootfsfile = fopen(rootfs, "rb"))) { |
| 153 | fprintf(stderr, "Unable to open rootfs \"%s\"\n", rootfs); |
| 154 | return 1; |
| 155 | } |
| 156 | |
| 157 | if (!bin || !(binfile = fopen(bin, "wb+"))) { |
| 158 | fprintf(stderr, "Unable to open output file \"%s\"\n", bin); |
| 159 | return 1; |
| 160 | } |
| 161 | |
| 162 | if ((args->cfe_given) && (args->cfe_arg)) { |
| 163 | if (!(cfefile = fopen(args->cfe_arg, "rb"))) { |
| 164 | fprintf(stderr, "Unable to open CFE file \"%s\"\n", args->cfe_arg); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | fwaddr = flash_start + image_offset; |
| 169 | if (cfefile) { |
| 170 | cfeoff = flash_start; |
| 171 | cfelen = getlen(cfefile); |
| 172 | /* Seek to the start of the file after tag */ |
| 173 | fseek(binfile, sizeof(tag), SEEK_SET); |
| 174 | |
| 175 | /* Write the cfe */ |
| 176 | while (cfefile && !feof(cfefile) && !ferror(cfefile)) { |
| 177 | read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), cfefile); |
| 178 | fwrite(readbuf, sizeof(uint8_t), read, binfile); |
| 179 | } |
| 180 | |
| 181 | } else { |
| 182 | cfeoff = 0; |
| 183 | cfelen = 0; |
| 184 | } |
| 185 | |
| 186 | if (!args->root_first_flag) { |
| 187 | /* Build the kernel address and length (doesn't need to be aligned, read only) */ |
| 188 | kerneloff = fwaddr + sizeof(tag); |
| 189 | |
| 190 | kernellen = getlen(kernelfile); |
| 191 | |
| 192 | if (!args->kernel_file_has_header_flag) { |
| 193 | /* Build the kernel header */ |
| 194 | khdr.loadaddr = htonl(load_address); |
| 195 | khdr.entry = htonl(entry); |
| 196 | khdr.lzmalen = htonl(kernellen); |
| 197 | |
| 198 | /* Increase the kernel size by the header size */ |
| 199 | kernellen += sizeof(khdr); |
| 200 | } |
| 201 | |
| 202 | /* Build the rootfs address and length (start and end do need to be aligned on flash erase block boundaries */ |
| 203 | rootfsoff = kerneloff + kernellen; |
| 204 | rootfsoff = (rootfsoff % block_size) > 0 ? (((rootfsoff / block_size) + 1) * block_size) : rootfsoff; |
| 205 | rootfslen = getlen(rootfsfile); |
| 206 | rootfslen = ( (rootfslen % block_size) > 0 ? (((rootfslen / block_size) + 1) * block_size) : rootfslen ); |
| 207 | imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode); |
| 208 | rootfsoffpadlen = rootfsoff - (kerneloff + kernellen); |
| 209 | |
| 210 | /* Seek to the start of the kernel */ |
| 211 | fseek(binfile, kerneloff - fwaddr + cfelen, SEEK_SET); |
| 212 | |
| 213 | /* Write the kernel header */ |
| 214 | fwrite(&khdr, sizeof(khdr), 1, binfile); |
| 215 | |
| 216 | /* Write the kernel */ |
| 217 | while (kernelfile && !feof(kernelfile) && !ferror(kernelfile)) { |
| 218 | read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), kernelfile); |
| 219 | fwrite(readbuf, sizeof(uint8_t), read, binfile); |
| 220 | } |
| 221 | |
| 222 | /* Write the RootFS */ |
| 223 | fseek(binfile, rootfsoff - fwaddr + cfelen, SEEK_SET); |
| 224 | while (rootfsfile && !feof(rootfsfile) && !ferror(rootfsfile)) { |
| 225 | read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), rootfsfile); |
| 226 | fwrite(readbuf, sizeof(uint8_t), read, binfile); |
| 227 | } |
| 228 | |
| 229 | /* Align image to specified erase block size and append deadc0de */ |
| 230 | printf("Data alignment to %dk with 'deadc0de' appended\n", block_size/1024); |
| 231 | fseek(binfile, rootfsoff + rootfslen - fwaddr + cfelen, SEEK_SET); |
| 232 | fwrite(&deadcode, sizeof(uint32_t), 1, binfile); |
| 233 | |
| 234 | oldrootfslen = rootfslen; |
| 235 | if (args->pad_given) { |
| 236 | uint32_t allfs = 0xffffffff; |
| 237 | uint32_t pad_size = args->pad_arg * 1024 * 1024; |
| 238 | |
| 239 | printf("Padding image to %d bytes ...\n", pad_size); |
| 240 | while (imagelen < pad_size) { |
| 241 | fwrite(&allfs, sizeof(uint32_t), 1, binfile); |
| 242 | imagelen += 4; |
| 243 | rootfslen += 4; |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | /* Flush the binfile buffer so that when we read from file, it contains |
| 248 | * everything in the buffer |
| 249 | */ |
| 250 | fflush(binfile); |
| 251 | |
| 252 | /* Compute the crc32 of the entire image (deadC0de included) */ |
| 253 | imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr + cfelen, imagelen); |
| 254 | /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ |
| 255 | kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr + cfelen, kernellen + rootfsoffpadlen); |
| 256 | /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ |
| 257 | kernelfscrc = compute_crc32(kernelfscrc, binfile, kerneloff - fwaddr + cfelen, kernellen + rootfsoffpadlen + rootfslen + sizeof(deadcode)); |
| 258 | /* Compute the crc32 of the flashImageStart to rootLength. |
| 259 | * The broadcom firmware assumes the rootfs starts the image, |
| 260 | * therefore uses the rootfs start to determine where to flash |
| 261 | * the image. Since we have the kernel first we have to give |
| 262 | * it the kernel address, but the crc uses the length |
| 263 | * associated with this address, which is added to the kernel |
| 264 | * length to determine the length of image to flash and thus |
| 265 | * needs to be rootfs + deadcode |
| 266 | */ |
| 267 | rootfscrc = compute_crc32(rootfscrc, binfile, kerneloff - fwaddr + cfelen, rootfslen + sizeof(deadcode)); |
| 268 | |
| 269 | } else { |
| 270 | /* Build the kernel address and length (doesn't need to be aligned, read only) */ |
| 271 | rootfsoff = fwaddr + sizeof(tag); |
| 272 | oldrootfslen = getlen(rootfsfile); |
| 273 | rootfslen = oldrootfslen; |
| 274 | rootfslen = ( (rootfslen % block_size) > 0 ? (((rootfslen / block_size) + 1) * block_size) : rootfslen ); |
| 275 | kerneloffpadlen = rootfslen - oldrootfslen; |
| 276 | oldrootfslen = rootfslen; |
| 277 | |
| 278 | kerneloff = rootfsoff + rootfslen; |
| 279 | kernellen = getlen(kernelfile); |
| 280 | |
| 281 | imagelen = cfelen + rootfslen + kernellen; |
| 282 | |
| 283 | /* Seek to the start of the kernel */ |
| 284 | fseek(binfile, kerneloff - fwaddr + cfelen, SEEK_SET); |
| 285 | |
| 286 | if (!args->kernel_file_has_header_flag) { |
| 287 | /* Build the kernel header */ |
| 288 | khdr.loadaddr = htonl(load_address); |
| 289 | khdr.entry = htonl(entry); |
| 290 | khdr.lzmalen = htonl(kernellen); |
| 291 | |
| 292 | /* Write the kernel header */ |
| 293 | fwrite(&khdr, sizeof(khdr), 1, binfile); |
| 294 | |
| 295 | /* Increase the kernel size by the header size */ |
| 296 | kernellen += sizeof(khdr); |
| 297 | } |
| 298 | |
| 299 | /* Write the kernel */ |
| 300 | while (kernelfile && !feof(kernelfile) && !ferror(kernelfile)) { |
| 301 | read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), kernelfile); |
| 302 | fwrite(readbuf, sizeof(uint8_t), read, binfile); |
| 303 | } |
| 304 | |
| 305 | /* Write the RootFS */ |
| 306 | fseek(binfile, rootfsoff - fwaddr + cfelen, SEEK_SET); |
| 307 | while (rootfsfile && !feof(rootfsfile) && !ferror(rootfsfile)) { |
| 308 | read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), rootfsfile); |
| 309 | fwrite(readbuf, sizeof(uint8_t), read, binfile); |
| 310 | } |
| 311 | |
| 312 | /* Flush the binfile buffer so that when we read from file, it contains |
| 313 | * everything in the buffer |
| 314 | */ |
| 315 | fflush(binfile); |
| 316 | |
| 317 | /* Compute the crc32 of the entire image (deadC0de included) */ |
| 318 | imagecrc = compute_crc32(imagecrc, binfile, sizeof(tag), imagelen); |
| 319 | /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ |
| 320 | kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr + cfelen, kernellen + rootfsoffpadlen); |
| 321 | kernelfscrc = compute_crc32(kernelfscrc, binfile, rootfsoff - fwaddr + cfelen, kernellen + rootfslen); |
| 322 | rootfscrc = compute_crc32(rootfscrc, binfile, rootfsoff - fwaddr + cfelen, rootfslen); |
| 323 | } |
| 324 | |
| 325 | /* Close the files */ |
| 326 | if (cfefile) { |
| 327 | fclose(cfefile); |
| 328 | } |
| 329 | fclose(kernelfile); |
| 330 | fclose(rootfsfile); |
| 331 | |
| 332 | /* Build the tag */ |
| 333 | strncpy(tag.tagVersion, args->tag_version_arg, sizeof(tag.tagVersion) - 1); |
| 334 | strncpy(tag.sig_1, args->signature_arg, sizeof(tag.sig_1) - 1); |
| 335 | strncpy(tag.sig_2, args->signature2_arg, sizeof(tag.sig_2) - 1); |
| 336 | strncpy(tag.chipid, args->chipid_arg, sizeof(tag.chipid) - 1); |
| 337 | strncpy(tag.boardid, args->boardid_arg, sizeof(tag.boardid) - 1); |
| 338 | strcpy(tag.big_endian, "1"); |
| 339 | sprintf(tag.totalLength, "%lu", imagelen); |
| 340 | |
| 341 | if (args->cfe_given) { |
| 342 | sprintf(tag.cfeAddress, "%lu", flash_start); |
| 343 | sprintf(tag.cfeLength, "%lu", cfelen); |
| 344 | } else { |
| 345 | /* We don't include CFE */ |
| 346 | strcpy(tag.cfeAddress, "0"); |
| 347 | strcpy(tag.cfeLength, "0"); |
| 348 | } |
| 349 | |
| 350 | sprintf(tag.kernelAddress, "%lu", kerneloff); |
| 351 | sprintf(tag.kernelLength, "%lu", kernellen + rootfsoffpadlen); |
| 352 | |
| 353 | if (args->root_first_flag) { |
| 354 | sprintf(tag.flashImageStart, "%lu", rootfsoff); |
| 355 | sprintf(tag.flashRootLength, "%lu", rootfslen); |
| 356 | } else { |
| 357 | sprintf(tag.flashImageStart, "%lu", kerneloff); |
| 358 | sprintf(tag.flashRootLength, "%lu", rootfslen + sizeof(deadcode)); |
| 359 | } |
| 360 | int2tag(tag.rootLength, oldrootfslen + sizeof(deadcode)); |
| 361 | |
| 362 | if (args->rsa_signature_given) { |
| 363 | strncpy(tag.rsa_signature, args->rsa_signature_arg, RSASIG_LEN); |
| 364 | } |
| 365 | |
| 366 | if (args->layoutver_given) { |
| 367 | strncpy(tag.flashLayoutVer, args->layoutver_arg, TAGLAYOUT_LEN); |
| 368 | } |
| 369 | |
| 370 | if (args->info1_given) { |
| 371 | strncpy(tag.information1, args->info1_arg, TAGINFO1_LEN); |
| 372 | } |
| 373 | |
| 374 | if (args->info2_given) { |
| 375 | strncpy(tag.information2, args->info2_arg, TAGINFO2_LEN); |
| 376 | } |
| 377 | |
| 378 | if (args->reserved2_given) { |
| 379 | strncpy(tag.reserved2, args->reserved2_arg, 16); |
| 380 | } |
| 381 | |
| 382 | if (args->altinfo_given) { |
| 383 | strncpy(&tag.information1[0], args->altinfo_arg, ALTTAGINFO_LEN); |
| 384 | } |
| 385 | |
| 386 | if (args->second_image_flag_given) { |
| 387 | if (strncmp(args->second_image_flag_arg, "2", DUALFLAG_LEN) != 0) { |
| 388 | strncpy(tag.dualImage, args->second_image_flag_arg, DUALFLAG_LEN); |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | if (args->inactive_given) { |
| 393 | if (strncmp(args->inactive_arg, "2", INACTIVEFLAG_LEN) != 0) { |
| 394 | strncpy(tag.inactiveFlag, args->second_image_flag_arg, INACTIVEFLAG_LEN); |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | for (i = 0; i < NUM_PIRELLI; i++) { |
| 399 | if (strncmp(args->boardid_arg, pirellitab[i], BOARDID_LEN) == 0) { |
| 400 | is_pirelli = 1; |
| 401 | break; |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | if ( !is_pirelli ) { |
| 406 | int2tag(tag.imageCRC, kernelfscrc); |
| 407 | } else { |
| 408 | int2tag(tag.imageCRC, kernelcrc); |
| 409 | } |
| 410 | |
| 411 | int2tag(&(tag.rootfsCRC[0]), rootfscrc); |
| 412 | int2tag(tag.kernelCRC, kernelcrc); |
| 413 | int2tag(tag.fskernelCRC, kernelfscrc); |
| 414 | int2tag(tag.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); |
| 415 | |
| 416 | fseek(binfile, 0L, SEEK_SET); |
| 417 | fwrite(&tag, sizeof(uint8_t), sizeof(tag), binfile); |
| 418 | |
| 419 | fflush(binfile); |
| 420 | fclose(binfile); |
| 421 | |
| 422 | return 0; |
| 423 | } |
| 424 | |
| 425 | int main(int argc, char **argv) |
| 426 | { |
| 427 | int c, i; |
| 428 | char *kernel, *rootfs, *bin; |
| 429 | uint32_t flash_start, image_offset, block_size, load_address, entry; |
| 430 | flash_start = image_offset = block_size = load_address = entry = 0; |
| 431 | struct gengetopt_args_info parsed_args; |
| 432 | |
| 433 | kernel = rootfs = bin = NULL; |
| 434 | |
| 435 | if (cmdline_parser(argc, argv, &parsed_args)) { |
| 436 | exit(1); |
| 437 | } |
| 438 | |
| 439 | printf("Broadcom 63xx image tagger - v2.0.0\n"); |
| 440 | printf("Copyright (C) 2008 Axel Gembe\n"); |
| 441 | printf("Copyright (C) 2009-2010 Daniel Dickinson\n"); |
| 442 | printf("Licensed under the terms of the Gnu General Public License\n"); |
| 443 | |
| 444 | kernel = parsed_args.kernel_arg; |
| 445 | rootfs = parsed_args.rootfs_arg; |
| 446 | bin = parsed_args.output_arg; |
| 447 | if (strlen(parsed_args.tag_version_arg) >= TAGVER_LEN) { |
| 448 | fprintf(stderr, "Error: Tag Version (tag_version,v) too long.\n"); |
| 449 | exit(1); |
| 450 | } |
| 451 | if (strlen(parsed_args.boardid_arg) >= BOARDID_LEN) { |
| 452 | fprintf(stderr, "Error: Board ID (boardid,b) too long.\n"); |
| 453 | exit(1); |
| 454 | } |
| 455 | if (strlen(parsed_args.chipid_arg) >= CHIPID_LEN) { |
| 456 | fprintf(stderr, "Error: Chip ID (chipid,c) too long.\n"); |
| 457 | exit(1); |
| 458 | } |
| 459 | if (strlen(parsed_args.signature_arg) >= SIG1_LEN) { |
| 460 | fprintf(stderr, "Error: Magic string (signature,a) too long.\n"); |
| 461 | exit(1); |
| 462 | } |
| 463 | if (strlen(parsed_args.signature2_arg) >= SIG2_LEN) { |
| 464 | fprintf(stderr, "Error: Second magic string (signature2,m) too long.\n"); |
| 465 | exit(1); |
| 466 | } |
| 467 | if (parsed_args.layoutver_given) { |
| 468 | if (strlen(parsed_args.layoutver_arg) > FLASHLAYOUTVER_LEN) { |
| 469 | fprintf(stderr, "Error: Flash layout version (layoutver,y) too long.\n"); |
| 470 | exit(1); |
| 471 | } |
| 472 | } |
| 473 | if (parsed_args.rsa_signature_given) { |
| 474 | if (strlen(parsed_args.rsa_signature_arg) > RSASIG_LEN) { |
| 475 | fprintf(stderr, "Error: RSA Signature (rsa_signature,r) too long.\n"); |
| 476 | exit(1); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | if (parsed_args.info1_given) { |
| 481 | if (strlen(parsed_args.info1_arg) >= TAGINFO1_LEN) { |
| 482 | fprintf(stderr, "Error: Vendor Information 1 (info1) too long.\n"); |
| 483 | exit(1); |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | if (parsed_args.info2_given) { |
| 488 | if (strlen(parsed_args.info2_arg) >= TAGINFO2_LEN) { |
| 489 | fprintf(stderr, "Error: Vendor Information 2 (info2) too long.\n"); |
| 490 | exit(1); |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | if (parsed_args.altinfo_given) { |
| 495 | if (strlen(parsed_args.altinfo_arg) >= ALTTAGINFO_LEN) { |
| 496 | fprintf(stderr, "Error: Vendor Information 1 (info1) too long.\n"); |
| 497 | exit(1); |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | if (parsed_args.pad_given) { |
| 502 | if (parsed_args.pad_arg < 0) { |
| 503 | fprintf(stderr, "Error: pad size must be positive.\r"); |
| 504 | exit(1); |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | flash_start = strtoul(parsed_args.flash_start_arg, NULL, 16); |
| 509 | image_offset = strtoul(parsed_args.image_offset_arg, NULL, 16); |
| 510 | block_size = strtoul(parsed_args.block_size_arg, NULL, 16); |
| 511 | |
| 512 | if (!parsed_args.kernel_file_has_header_flag) { |
| 513 | load_address = strtoul(parsed_args.load_addr_arg, NULL, 16); |
| 514 | entry = strtoul(parsed_args.entry_arg, NULL, 16); |
| 515 | if (load_address == 0) { |
| 516 | fprintf(stderr, "Error: Invalid value for load address\n"); |
| 517 | } |
| 518 | if (entry == 0) { |
| 519 | fprintf(stderr, "Error: Invalid value for entry\n"); |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | return tagfile(kernel, rootfs, bin, &parsed_args, flash_start, image_offset, block_size, load_address, entry); |
| 524 | } |
| 525 | |
