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