1/* 2 * 3 * Copyright (C) 2007 OpenWrt.org 4 * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 as published 8 * by the Free Software Foundation. 9 * 10 */ 11 12#include <stdio.h> 13#include <stdlib.h> 14#include <stdint.h> 15#include <string.h> 16#include <unistd.h> /* for unlink() */ 17#include <libgen.h> 18#include <getopt.h> /* for getopt() */ 19#include <stdarg.h> 20#include <errno.h> 21#include <sys/stat.h> 22#include <endian.h> /* for __BYTE_ORDER */ 23#if defined(__CYGWIN__) 24# include <byteswap.h> 25#endif 26 27#if (__BYTE_ORDER == __LITTLE_ENDIAN) 28# define HOST_TO_LE16(x) (x) 29# define HOST_TO_LE32(x) (x) 30# define LE16_TO_HOST(x) (x) 31# define LE32_TO_HOST(x) (x) 32#else 33# define HOST_TO_LE16(x) bswap_16(x) 34# define HOST_TO_LE32(x) bswap_32(x) 35# define LE16_TO_HOST(x) bswap_16(x) 36# define LE32_TO_HOST(x) bswap_32(x) 37#endif 38 39#define MAX_NUM_BLOCKS 2 40#define MAX_ARG_COUNT 32 41#define MAX_ARG_LEN 1024 42#define FILE_BUF_LEN (16*1024) 43#define DEFAULT_PADC 0xFF 44 45#define DEFAULT_BLOCK_ALIGN 0x10000U 46 47#define CSUM_TYPE_NONE 0 48#define CSUM_TYPE_8 1 49#define CSUM_TYPE_16 2 50#define CSUM_TYPE_32 3 51 52struct csum_state{ 53 int size; 54 uint32_t val; 55 uint32_t tmp; 56 int odd; 57}; 58 59struct image_desc { 60 int need_file; 61 char *file_name; /* name of the file */ 62 uint32_t file_size; /* length of the file */ 63 64 uint32_t csum; 65 uint32_t out_size; 66 uint8_t padc; 67}; 68 69struct fwhdr_nfs { 70 uint32_t type; 71 uint32_t kernel_offs; 72 uint32_t kernel_size; 73 uint32_t fs_offs; 74 uint32_t fs_size; 75 uint32_t kernel_csum; 76 uint32_t fs_csum; 77 uint32_t id; 78} __attribute__ ((packed)); 79 80struct fwhdr_cas { 81 uint32_t type; 82 uint32_t kernel_offs; 83 uint32_t kernel_size; 84 uint32_t id; 85 uint32_t kernel_csum; 86 uint32_t magic1; 87 uint32_t magic2; 88 uint32_t magic3; 89} __attribute__ ((packed)); 90 91union file_hdr { 92 struct fwhdr_cas cas; 93 struct fwhdr_nfs nfs; 94}; 95 96struct board_info { 97 char *model; 98 char *name; 99 int header_type; 100 uint32_t id; 101 uint32_t max_kernel_size; 102 uint32_t max_fs_size; 103}; 104 105#define HEADER_TYPE_NFS 0 106#define HEADER_TYPE_CAS 1 107 108#define KERNEL_SIZE_CAS (61*64*1024) 109#define KERNEL_SIZE_NFS (52*64*1024) 110#define FS_SIZE_NFS (9*64*1024) 111 112#define CAS_MAGIC1 0x5241AA55 113#define CAS_MAGIC2 0x524F4741 114#define CAS_MAGIC3 0xD3F22D4E 115 116/* Cellvision/SparkLAN products */ 117#define MODEL_CAS_630 0x01000000 118#define MODEL_CAS_630W 0x01000000 119#define MODEL_CAS_670 0x01000000 120#define MODEL_CAS_670W 0x01000000 121#define MODEL_NFS_101U 0x01000000 122#define MODEL_NFS_101WU 0x01000003 123#define MODEL_NFS_202U 0x01000001 124#define MODEL_NFS_202WU 0x01000002 125 126/* Corega products */ 127#define MODEL_CG_NSADP 0x01000020 /* NFS-101U */ 128#define MODEL_CG_NSADPCR 0x01000021 /* NFS-202U */ 129 130/* D-Link products */ 131#define MODEL_DCS_950 0x01010102 /* CAS-630 */ 132#define MODEL_DCS_950G 0x01020102 /* CAS-630W */ 133#define MODEL_DNS_120 0x01000030 /* NFS-101U */ 134#define MODEL_DNS_G120 0x01000032 /* NFS-101WU */ 135 136/* Digitus products */ 137#define MODEL_DN_16021 MODEL_CAS_630 138#define MODEL_DN_16022 MODEL_CAS_630W 139#define MODEL_DN_16030 MODEL_CAS_670 140#define MODEL_DN_16031 MODEL_CAS_670W 141#define MODEL_DN_7013 MODEL_NFS_101U 142 143/* Lobos products */ 144#define MODEL_LB_SS01TXU 0x00000000 145 146/* Neu-Fusion products */ 147 148/* Ovislink products */ 149#define MODEL_MU_5000FS 0x01000040 /* NFS-101U */ 150#define MODEL_WL_5420CAM 0x020B0101 /* CAS-630W? */ 151#define MODEL_WL_5460CAM 0x020B0001 /* CAS-670W */ 152 153/* Repotec products */ 154 155/* Sitecom products */ 156#define MODEL_LN_350 /* unknown */ 157#define MODEL_LN_403 0x01020402 158#define MODEL_WL_401 0x01010402 159 160/* Surecom products */ 161#define MODEL_EP_4001_MM 0x01030A02 /* CAS-630 */ 162#define MODEL_EP_4002_MM 0x01020A02 /* CAS-630W */ 163#define MODEL_EP_4011_MM 0x01010A02 /* CAS-670 */ 164#define MODEL_EP_4012_MM 0x01000A02 /* CAS-670W */ 165#define MODEL_EP_9812_U /* unknown */ 166 167/* Trendnet products */ 168#define MODEL_TN_U100 0x01000081 /* NFS-101U */ 169#define MODEL_TN_U200 0x01000082 /* NFS-202U */ 170 171/* 172 * Globals 173 */ 174char *progname; 175char *ofname; 176int verblevel; 177int keep_invalid_images; 178int invalid_causes_error = 1; 179union file_hdr header; 180 181struct image_desc kernel_image; 182struct image_desc fs_image; 183 184struct board_info *board = NULL; 185 186#define BOARD(m, n, i, ks, fs, h) { \ 187 .model = (m), \ 188 .name = (n), \ 189 .id = (i), \ 190 .max_kernel_size = (ks), \ 191 .max_fs_size = (fs), \ 192 .header_type = (h) \ 193 } 194 195#define BOARD_CAS(m,n,i) \ 196 BOARD(m, n, i, KERNEL_SIZE_CAS, 0, HEADER_TYPE_CAS) 197#define BOARD_NFS(m,n,i) \ 198 BOARD(m, n, i, KERNEL_SIZE_NFS, FS_SIZE_NFS, HEADER_TYPE_NFS) 199 200static struct board_info boards[] = { 201 /* Cellvision/Sparklan products */ 202 BOARD_CAS("CAS-630", "Cellvision CAS-630", MODEL_CAS_630), 203 BOARD_CAS("CAS-630W", "Cellvision CAS-630W", MODEL_CAS_630W), 204 BOARD_CAS("CAS-670", "Cellvision CAS-670", MODEL_CAS_670), 205 BOARD_CAS("CAS-670W", "Cellvision CAS-670W", MODEL_CAS_670W), 206 BOARD_NFS("NFS-101U", "Cellvision NFS-101U", MODEL_NFS_101U), 207 BOARD_NFS("NFS-101WU", "Cellvision NFS-101WU", MODEL_NFS_101WU), 208 BOARD_NFS("NFS-202U", "Cellvision NFS-202U", MODEL_NFS_202U), 209 BOARD_NFS("NFS-202WU", "Cellvision NFS-202WU", MODEL_NFS_202WU), 210 211 /* Corega products */ 212 BOARD_NFS("CG-NSADP", "Corega CG-NSADP", MODEL_CG_NSADP), 213 BOARD_NFS("CG-NSADPCR", "Corega CG-NSADPCR", MODEL_CG_NSADPCR), 214 215 /* D-Link products */ 216 BOARD_CAS("DCS-950", "D-Link DCS-950", MODEL_DCS_950), 217 BOARD_CAS("DCS-950G", "D-Link DCS-950G", MODEL_DCS_950G), 218 BOARD_NFS("DNS-120", "D-Link DNS-120", MODEL_DNS_120), 219 BOARD_NFS("DNS-G120", "D-Link DNS-G120", MODEL_DNS_G120), 220 221 /* Digitus products */ 222 BOARD_NFS("DN-7013", "Digitus DN-7013", MODEL_DN_7013), 223 224 /* Lobos products */ 225 BOARD_NFS("LB-SS01TXU", "Lobos LB-SS01TXU", MODEL_LB_SS01TXU), 226 227 /* Ovislink products */ 228 BOARD_NFS("MU-5000FS", "Ovislink MU-5000FS", MODEL_MU_5000FS), 229 BOARD_CAS("WL-5420CAM", "Ovislink WL-5420 CAM", MODEL_WL_5420CAM), 230 BOARD_CAS("WL-5460CAM", "Ovislink WL-5460 CAM", MODEL_WL_5460CAM), 231 232 /* Sitecom products */ 233 BOARD_CAS("LN-403", "Sitecom LN-403", MODEL_LN_403), 234 BOARD_CAS("WL-401", "Sitecom WL-401", MODEL_WL_401), 235 236 /* Surecom products */ 237 BOARD_CAS("EP-4001-MM", "Surecom EP-4001-MM", MODEL_EP_4001_MM), 238 BOARD_CAS("EP-4002-MM", "Surecom EP-4002-MM", MODEL_EP_4002_MM), 239 BOARD_CAS("EP-4011-MM", "Surecom EP-4011-MM", MODEL_EP_4011_MM), 240 BOARD_CAS("EP-4012-MM", "Surecom EP-4012-MM", MODEL_EP_4012_MM), 241 242 /* TrendNET products */ 243 BOARD_NFS("TN-U100", "TrendNET TN-U100", MODEL_TN_U100), 244 BOARD_NFS("TN-U200", "TrendNET TN-U200", MODEL_TN_U200), 245 246 {.model = NULL} 247}; 248 249/* 250 * Message macros 251 */ 252#define ERR(fmt, ...) do { \ 253 fflush(0); \ 254 fprintf(stderr, "[%s] *** error: " fmt "\n", \ 255 progname, ## __VA_ARGS__ ); \ 256} while (0) 257 258#define ERRS(fmt, ...) do { \ 259 int save = errno; \ 260 fflush(0); \ 261 fprintf(stderr, "[%s] *** error: " fmt "\n", \ 262 progname, ## __VA_ARGS__, strerror(save)); \ 263} while (0) 264 265#define WARN(fmt, ...) do { \ 266 fprintf(stderr, "[%s] *** warning: " fmt "\n", \ 267 progname, ## __VA_ARGS__ ); \ 268} while (0) 269 270#define DBG(lev, fmt, ...) do { \ 271 if (verblevel < lev) \ 272 break;\ 273 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \ 274} while (0) 275 276#define ERR_FATAL -1 277#define ERR_INVALID_IMAGE -2 278 279void 280usage(int status) 281{ 282 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; 283 struct board_info *board; 284 285 fprintf(stream, "Usage: %s [OPTIONS...] <file>\n", progname); 286 fprintf(stream, 287"\n" 288"Options:\n" 289" -B <board> create image for the board specified with <board>.\n" 290" valid <board> values:\n" 291 ); 292 for (board = boards; board->model != NULL; board++){ 293 fprintf(stream, 294" %-12s: %s\n", 295 board->model, board->name); 296 }; 297 fprintf(stream, 298" -d don't throw error on invalid images\n" 299" -k keep invalid images\n" 300" -K <file> add kernel to the image\n" 301" -C <file> add custom filesystem to the image\n" 302" -h show this screen\n" 303"Parameters:\n" 304" <file> write output to the file <file>\n" 305 ); 306 307 exit(status); 308} 309 310static inline uint32_t align(uint32_t base, uint32_t alignment) 311{ 312 uint32_t ret; 313 314 if (alignment) { 315 ret = (base + alignment - 1); 316 ret &= ~(alignment-1); 317 } else { 318 ret = base; 319 } 320 321 return ret; 322} 323 324/* 325 * argument parsing 326 */ 327int 328str2u32(char *arg, uint32_t *val) 329{ 330 char *err = NULL; 331 uint32_t t; 332 333 errno=0; 334 t = strtoul(arg, &err, 0); 335 if (errno || (err==arg) || ((err != NULL) && *err)) { 336 return -1; 337 } 338 339 *val = t; 340 return 0; 341} 342 343 344int 345str2u16(char *arg, uint16_t *val) 346{ 347 char *err = NULL; 348 uint32_t t; 349 350 errno=0; 351 t = strtoul(arg, &err, 0); 352 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) { 353 return -1; 354 } 355 356 *val = t & 0xFFFF; 357 return 0; 358} 359 360int 361str2u8(char *arg, uint8_t *val) 362{ 363 char *err = NULL; 364 uint32_t t; 365 366 errno=0; 367 t = strtoul(arg, &err, 0); 368 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) { 369 return -1; 370 } 371 372 *val = t & 0xFF; 373 return 0; 374} 375 376int 377parse_arg(char *arg, char *buf, char *argv[]) 378{ 379 int res = 0; 380 size_t argl; 381 char *tok; 382 char **ap = &buf; 383 int i; 384 385 memset(argv, 0, MAX_ARG_COUNT * sizeof(void *)); 386 387 if ((arg == NULL)) { 388 /* no arguments */ 389 return 0; 390 } 391 392 argl = strlen(arg); 393 if (argl == 0) { 394 /* no arguments */ 395 return 0; 396 } 397 398 if (argl >= MAX_ARG_LEN) { 399 /* argument is too long */ 400 argl = MAX_ARG_LEN-1; 401 } 402 403 memcpy(buf, arg, argl); 404 buf[argl] = '\0'; 405 406 for (i = 0; i < MAX_ARG_COUNT; i++) { 407 tok = strsep(ap, ":"); 408 if (tok == NULL) { 409 break; 410 } 411#if 0 412 else if (tok[0] == '\0') { 413 break; 414 } 415#endif 416 argv[i] = tok; 417 res++; 418 } 419 420 return res; 421} 422 423 424int 425required_arg(char c, char *arg) 426{ 427 if (arg == NULL || *arg != '-') 428 return 0; 429 430 ERR("option -%c requires an argument\n", c); 431 return ERR_FATAL; 432} 433 434 435int 436is_empty_arg(char *arg) 437{ 438 int ret = 1; 439 if (arg != NULL) { 440 if (*arg) ret = 0; 441 }; 442 return ret; 443} 444 445 446void 447csum8_update(uint8_t *p, uint32_t len, struct csum_state *css) 448{ 449 for ( ; len > 0; len --) { 450 css->val += *p++; 451 } 452} 453 454 455uint16_t 456csum8_get(struct csum_state *css) 457{ 458 uint8_t t; 459 460 t = css->val; 461 return ~t + 1; 462} 463 464 465void 466csum16_update(uint8_t *p, uint32_t len, struct csum_state *css) 467{ 468 uint16_t t; 469 470 if (css->odd) { 471 t = css->tmp + (p[0]<<8); 472 css->val += LE16_TO_HOST(t); 473 css->odd = 0; 474 len--; 475 p++; 476 } 477 478 for ( ; len > 1; len -= 2, p +=2 ) { 479 t = p[0] + (p[1] << 8); 480 css->val += LE16_TO_HOST(t); 481 } 482 483 if (len == 1) { 484 css->tmp = p[0]; 485 css->odd = 1; 486 } 487} 488 489 490uint16_t 491csum16_get(struct csum_state *css) 492{ 493 char pad = 0; 494 495 csum16_update(&pad, 1, css); 496 return ~css->val + 1; 497} 498 499void 500csum32_update(uint8_t *p, uint32_t len, struct csum_state *css) 501{ 502 uint32_t t; 503 504 for ( ; len > 3; len -= 4, p += 4 ) { 505 t = p[0] + (p[1] << 8) + (p[2] << 16) + (p[3] << 24); 506 css->val ^= t; 507 } 508} 509 510uint32_t 511csum32_get(struct csum_state *css) 512{ 513 return css->val; 514} 515 516 517void 518csum_init(struct csum_state *css, int size) 519{ 520 css->val = 0; 521 css->tmp = 0; 522 css->odd = 0; 523 css->size = size; 524} 525 526void 527csum_update(uint8_t *p, uint32_t len, struct csum_state *css) 528{ 529 switch (css->size) { 530 case CSUM_TYPE_8: 531 csum8_update(p,len,css); 532 break; 533 case CSUM_TYPE_16: 534 csum16_update(p,len,css); 535 break; 536 case CSUM_TYPE_32: 537 csum32_update(p,len,css); 538 break; 539 } 540} 541 542 543uint32_t 544csum_get(struct csum_state *css) 545{ 546 uint32_t ret; 547 548 switch (css->size) { 549 case CSUM_TYPE_8: 550 ret = csum8_get(css); 551 break; 552 case CSUM_TYPE_16: 553 ret = csum16_get(css); 554 break; 555 case CSUM_TYPE_32: 556 ret = csum32_get(css); 557 } 558 559 return ret; 560} 561 562 563/* 564 * routines to write data to the output file 565 */ 566int 567write_out_data(FILE *outfile, uint8_t *data, size_t len, 568 struct csum_state *css) 569{ 570 errno = 0; 571 572 fwrite(data, len, 1, outfile); 573 if (errno) { 574 ERRS("unable to write output file"); 575 return ERR_FATAL; 576 } 577 578 if (css) { 579 csum_update(data, len, css); 580 } 581 582 return 0; 583} 584 585 586int 587write_out_padding(FILE *outfile, size_t len, uint8_t padc, 588 struct csum_state *css) 589{ 590 uint8_t buf[512]; 591 size_t buflen = sizeof(buf); 592 int err; 593 594 memset(buf, padc, buflen); 595 while (len > 0) { 596 if (len < buflen) 597 buflen = len; 598 599 err = write_out_data(outfile, buf, buflen, css); 600 if (err) 601 return err; 602 603 len -= buflen; 604 } 605 606 return 0; 607} 608 609 610int 611image_stat_file(struct image_desc *desc) 612{ 613 struct stat st; 614 int err; 615 616 if (desc->file_name == NULL) 617 return 0; 618 619 err = stat(desc->file_name, &st); 620 if (err){ 621 ERRS("stat failed on %s", desc->file_name); 622 return ERR_FATAL; 623 } 624 625 if (st.st_size > desc->out_size) { 626 WARN("file %s is too big, will be truncated to %d bytes\n", 627 desc->file_name, desc->out_size); 628 desc->file_size = desc->out_size; 629 return ERR_INVALID_IMAGE; 630 } 631 632 633 desc->file_size = st.st_size; 634 desc->out_size = align(desc->file_size,1); 635 return 0; 636} 637 638 639int 640image_writeout_file(FILE *outfile, struct image_desc *desc, 641 struct csum_state *css) 642{ 643 char buf[FILE_BUF_LEN]; 644 size_t buflen = sizeof(buf); 645 FILE *f; 646 size_t len; 647 int res; 648 649 if (desc->file_name == NULL) 650 return 0; 651 652 if (desc->file_size == 0) 653 return 0; 654 655 errno = 0; 656 f = fopen(desc->file_name,"r"); 657 if (errno) { 658 ERRS("unable to open file: %s", desc->file_name); 659 return ERR_FATAL; 660 } 661 662 len = desc->file_size; 663 while (len > 0) { 664 if (len < buflen) 665 buflen = len; 666 667 /* read data from source file */ 668 errno = 0; 669 fread(buf, buflen, 1, f); 670 if (errno != 0) { 671 ERRS("unable to read from file: %s", desc->file_name); 672 res = ERR_FATAL; 673 break; 674 } 675 676 res = write_out_data(outfile, buf, buflen, css); 677 if (res) 678 break; 679 680 len -= buflen; 681 } 682 683 fclose(f); 684 return res; 685} 686 687 688int 689image_writeout(FILE *outfile, struct image_desc *desc) 690{ 691 int res; 692 struct csum_state css; 693 size_t padlen; 694 695 res = 0; 696 697 if (!desc->file_size) 698 return 0; 699 700 DBG(2, "writing image, file=%s, file_size=%d\n", 701 desc->file_name, desc->file_size); 702 703 csum_init(&css, CSUM_TYPE_32); 704 705 res = image_writeout_file(outfile, desc, &css); 706 if (res) 707 return res; 708 709 /* write padding data if neccesary */ 710 padlen = desc->out_size - desc->file_size; 711 DBG(1,"padding desc, length=%d", padlen); 712 res = write_out_padding(outfile, padlen, desc->padc, &css); 713 714 desc->csum = csum_get(&css); 715 716 return res; 717} 718 719 720int 721write_out_header(FILE *outfile) 722{ 723 union file_hdr tmp; 724 int res; 725 726 errno = 0; 727 if (fseek(outfile, 0, SEEK_SET) != 0) { 728 ERRS("fseek failed on output file"); 729 return ERR_FATAL; 730 } 731 732 switch (board->header_type) { 733 case HEADER_TYPE_CAS: 734 tmp.cas.type = HOST_TO_LE32(header.cas.type); 735 tmp.cas.id = HOST_TO_LE32(header.cas.id); 736 tmp.cas.kernel_offs = HOST_TO_LE32(sizeof(tmp.cas)); 737 tmp.cas.kernel_size = HOST_TO_LE32(kernel_image.out_size); 738 tmp.cas.kernel_csum = HOST_TO_LE32(kernel_image.csum); 739 tmp.cas.magic1 = HOST_TO_LE32(CAS_MAGIC1); 740 tmp.cas.magic2 = HOST_TO_LE32(CAS_MAGIC2); 741 tmp.cas.magic3 = HOST_TO_LE32(CAS_MAGIC3); 742 res = write_out_data(outfile, (uint8_t *)&tmp.cas, 743 sizeof(tmp.cas), NULL); 744 break; 745 case HEADER_TYPE_NFS: 746 tmp.nfs.type = HOST_TO_LE32(header.nfs.type); 747 tmp.nfs.id = HOST_TO_LE32(header.nfs.id); 748 tmp.nfs.kernel_offs = HOST_TO_LE32(sizeof(tmp.nfs)); 749 tmp.nfs.kernel_size = HOST_TO_LE32(kernel_image.out_size); 750 tmp.nfs.kernel_csum = HOST_TO_LE32(kernel_image.csum); 751 tmp.nfs.fs_offs = HOST_TO_LE32(sizeof(tmp.nfs) 752 + kernel_image.out_size); 753 tmp.nfs.fs_size = HOST_TO_LE32(fs_image.out_size); 754 tmp.nfs.fs_csum = HOST_TO_LE32(fs_image.csum); 755 res = write_out_data(outfile, (uint8_t *)&tmp.nfs, 756 sizeof(tmp.nfs), NULL); 757 break; 758 } 759 760 return res; 761} 762 763int 764write_out_images(FILE *outfile) 765{ 766 struct image_desc *desc; 767 int i, res; 768 769 res = image_writeout(outfile, &kernel_image); 770 if (res) 771 return res; 772 773 res = image_writeout(outfile, &fs_image); 774 if (res) 775 return res; 776 777 return 0; 778} 779 780 781struct board_info * 782find_board(char *model) 783{ 784 struct board_info *ret; 785 struct board_info *board; 786 787 ret = NULL; 788 for (board = boards; board->model != NULL; board++){ 789 if (strcasecmp(model, board->model) == 0) { 790 ret = board; 791 break; 792 } 793 }; 794 795 return ret; 796} 797 798 799int 800parse_opt_board(char ch, char *arg) 801{ 802 803 DBG(1,"parsing board option: -%c %s", ch, arg); 804 805 if (board != NULL) { 806 ERR("only one board option allowed"); 807 return ERR_FATAL; 808 } 809 810 if (required_arg(ch, arg)) 811 return ERR_FATAL; 812 813 board = find_board(arg); 814 if (board == NULL){ 815 ERR("invalid/unknown board specified: %s", arg); 816 return ERR_FATAL; 817 } 818 819 switch (board->header_type) { 820 case HEADER_TYPE_CAS: 821 header.cas.type = HEADER_TYPE_CAS; 822 header.cas.id = board->id; 823 break; 824 case HEADER_TYPE_NFS: 825 header.nfs.type = HEADER_TYPE_NFS; 826 header.nfs.id = board->id; 827 break; 828 default: 829 ERR("internal error, unknown header type\n"); 830 return ERR_FATAL; 831 } 832 833 return 0; 834} 835 836 837int 838parse_opt_image(char ch, char *arg) 839{ 840 char buf[MAX_ARG_LEN]; 841 char *argv[MAX_ARG_COUNT]; 842 int argc; 843 char *p; 844 struct image_desc *desc = NULL; 845 int i; 846 847 switch (ch) { 848 case 'K': 849 if (kernel_image.file_name) { 850 WARN("only one kernel option allowed"); 851 break; 852 } 853 desc = &kernel_image; 854 break; 855 case 'F': 856 if (fs_image.file_name) { 857 WARN("only one fs option allowed"); 858 break; 859 } 860 desc = &fs_image; 861 break; 862 } 863 864 if (!desc) 865 return ERR_FATAL; 866 867 argc = parse_arg(arg, buf, argv); 868 869 i = 0; 870 p = argv[i++]; 871 if (!is_empty_arg(p)) { 872 desc->file_name = strdup(p); 873 if (desc->file_name == NULL) { 874 ERR("not enough memory"); 875 return ERR_FATAL; 876 } 877 } else { 878 ERR("no file specified for option %c", ch); 879 return ERR_FATAL; 880 } 881 882 return 0; 883} 884 885 886int 887process_images(void) 888{ 889 struct image_desc *desc; 890 uint32_t offs = 0; 891 int i; 892 int res; 893 894 kernel_image.out_size = board->max_kernel_size; 895 kernel_image.padc = DEFAULT_PADC; 896 res = image_stat_file(&kernel_image); 897 if (res) 898 return res; 899 900 if (!fs_image.file_name) 901 return 0; 902 903 fs_image.out_size = board->max_fs_size; 904 fs_image.padc = DEFAULT_PADC; 905 res = image_stat_file(&fs_image); 906 if (res) 907 return res; 908 909 return 0; 910} 911 912 913int 914main(int argc, char *argv[]) 915{ 916 int optinvalid = 0; /* flag for invalid option */ 917 int c; 918 int res = ERR_FATAL; 919 920 FILE *outfile; 921 922 progname=basename(argv[0]); 923 924 opterr = 0; /* could not print standard getopt error messages */ 925 while ( 1 ) { 926 optinvalid = 0; 927 928 c = getopt(argc, argv, "B:C:dhK:r:vw:x:"); 929 if (c == -1) 930 break; 931 932 switch (c) { 933 case 'B': 934 optinvalid = parse_opt_board(c,optarg); 935 break; 936 case 'd': 937 invalid_causes_error = 0; 938 break; 939 case 'C': 940 case 'K': 941 optinvalid = parse_opt_image(c,optarg); 942 break; 943 case 'k': 944 keep_invalid_images = 1; 945 break; 946 case 'v': 947 verblevel++; 948 break; 949 case 'h': 950 usage(EXIT_SUCCESS); 951 break; 952 default: 953 optinvalid = 1; 954 break; 955 } 956 if (optinvalid != 0 ){ 957 ERR("invalid option: -%c", optopt); 958 goto out; 959 } 960 } 961 962 if (board == NULL) { 963 ERR("no board specified"); 964 goto out; 965 } 966 967 if (optind == argc) { 968 ERR("no output file specified"); 969 goto out; 970 } 971 972 ofname = argv[optind++]; 973 974 if (optind < argc) { 975 ERR("invalid option: %s", argv[optind]); 976 goto out; 977 } 978 979 res = process_images(); 980 if (res == ERR_FATAL) 981 goto out; 982 983 if (res == ERR_INVALID_IMAGE) { 984 if (invalid_causes_error) 985 res = ERR_FATAL; 986 987 if (keep_invalid_images == 0) { 988 WARN("generation of invalid images disabled", ofname); 989 goto out; 990 } 991 992 WARN("generating invalid image", ofname); 993 } 994 995 outfile = fopen(ofname, "w"); 996 if (outfile == NULL) { 997 ERRS("could not open \"%s\" for writing", ofname); 998 res = ERR_FATAL; 999 goto out; 1000 } 1001 1002 if (write_out_header(outfile) != 0) { 1003 res = ERR_FATAL; 1004 goto out_flush; 1005 } 1006 1007 if (write_out_images(outfile) != 0) { 1008 res = ERR_FATAL; 1009 goto out_flush; 1010 } 1011 1012 if (write_out_header(outfile) != 0) { 1013 res = ERR_FATAL; 1014 goto out_flush; 1015 } 1016 1017 DBG(1,"Image file %s completed.", ofname); 1018 1019out_flush: 1020 fflush(outfile); 1021 fclose(outfile); 1022 if (res == ERR_FATAL) { 1023 unlink(ofname); 1024 } 1025out: 1026 if (res == ERR_FATAL) 1027 return EXIT_FAILURE; 1028 1029 return EXIT_SUCCESS; 1030} 1031