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 */ 25struct 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 31static char pirellitab[NUM_PIRELLI][BOARDID_LEN] = PIRELLI_BOARDS; 32 33static 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 68void int2tag(char *tag, uint32_t value) { 69 uint32_t network = htonl(value); 70 memcpy(tag, (char *)(&network), 4); 71} 72 73uint32_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 81uint32_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 104size_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 119int 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 425int 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