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[openwrt.git] / tools / firmware-utils / src / mkcsysimg.c
1 /*
2 *
3 * Copyright (C) 2007-2009 Gabor Juhos <juhosg@openwrt.org>
4 *
5 * This program was based on the code found in various Linux
6 * source tarballs released by Edimax for it's devices.
7 * Original author: David Hsu <davidhsu@realtek.com.tw>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the
21 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
23 */
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <stdint.h>
28 #include <string.h>
29 #include <unistd.h> /* for unlink() */
30 #include <libgen.h>
31 #include <getopt.h> /* for getopt() */
32 #include <stdarg.h>
33 #include <errno.h>
34 #include <sys/stat.h>
35 #include <endian.h> /* for __BYTE_ORDER */
36 #if defined(__CYGWIN__)
37 # include <byteswap.h>
38 #endif
39
40 #include "csysimg.h"
41
42 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
43 # define HOST_TO_LE16(x) (x)
44 # define HOST_TO_LE32(x) (x)
45 # define LE16_TO_HOST(x) (x)
46 # define LE32_TO_HOST(x) (x)
47 #else
48 # define HOST_TO_LE16(x) bswap_16(x)
49 # define HOST_TO_LE32(x) bswap_32(x)
50 # define LE16_TO_HOST(x) bswap_16(x)
51 # define LE32_TO_HOST(x) bswap_32(x)
52 #endif
53
54 #define MAX_NUM_BLOCKS 8
55 #define MAX_ARG_COUNT 32
56 #define MAX_ARG_LEN 1024
57 #define FILE_BUF_LEN (16*1024)
58 #define CSYS_PADC 0xFF
59
60 #define BLOCK_TYPE_BOOT 0
61 #define BLOCK_TYPE_CONF 1
62 #define BLOCK_TYPE_WEBP 2
63 #define BLOCK_TYPE_CODE 3
64 #define BLOCK_TYPE_XTRA 4
65
66 #define DEFAULT_BLOCK_ALIGN 0x10000U
67
68 #define CSUM_SIZE_NONE 0
69 #define CSUM_SIZE_8 1
70 #define CSUM_SIZE_16 2
71
72
73 struct csum_state{
74 int size;
75 uint16_t val;
76 uint16_t tmp;
77 int odd;
78 };
79
80
81 struct csys_block {
82 int type; /* type of the block */
83
84 int need_file;
85 char *file_name; /* name of the file */
86 uint32_t file_size; /* length of the file */
87
88 unsigned char sig[SIG_LEN];
89 uint32_t addr;
90 int addr_set;
91 uint32_t align;
92 int align_set;
93 uint8_t padc;
94
95 uint32_t size;
96 uint32_t size_hdr;
97 uint32_t size_csum;
98 uint32_t size_avail;
99
100 struct csum_state *css;
101 };
102
103
104 struct board_info {
105 char *model;
106 char *name;
107 uint32_t flash_size;
108
109 char sig_boot[SIG_LEN];
110 char sig_conf[SIG_LEN];
111 char sig_webp[SIG_LEN];
112
113 uint32_t boot_size;
114 uint32_t conf_size;
115 uint32_t webp_size;
116 uint32_t webp_size_max;
117 uint32_t code_size;
118
119 uint32_t addr_code;
120 uint32_t addr_webp;
121 };
122
123 #define BOARD(m, n, f, sigb, sigw, bs, cs, ws, ac, aw) {\
124 .model = m, .name = n, .flash_size = f<<20, \
125 .sig_boot = sigb, .sig_conf = SIG_CONF, .sig_webp = sigw, \
126 .boot_size = bs, .conf_size = cs, \
127 .webp_size = ws, .webp_size_max = 3*0x10000, \
128 .addr_code = ac, .addr_webp = aw \
129 }
130
131 #define BOARD_ADM(m,n,f, sigw) BOARD(m,n,f, ADM_BOOT_SIG, sigw, \
132 ADM_BOOT_SIZE, ADM_CONF_SIZE, ADM_WEBP_SIZE, \
133 ADM_CODE_ADDR, ADM_WEBP_ADDR)
134
135
136 /*
137 * Globals
138 */
139 char *progname;
140 char *ofname = NULL;
141 int verblevel = 0;
142 int invalid_causes_error = 1;
143 int keep_invalid_images = 0;
144
145 struct board_info *board = NULL;
146
147 struct csys_block *boot_block = NULL;
148 struct csys_block *conf_block = NULL;
149 struct csys_block *webp_block = NULL;
150 struct csys_block *code_block = NULL;
151
152 struct csys_block blocks[MAX_NUM_BLOCKS];
153 int num_blocks = 0;
154
155 static struct board_info boards[] = {
156 /* The original Edimax products */
157 BOARD_ADM("BR-6104K", "Edimax BR-6104K", 2, SIG_BR6104K),
158 BOARD_ADM("BR-6104KP", "Edimax BR-6104KP", 2, SIG_BR6104KP),
159 BOARD_ADM("BR-6104Wg", "Edimax BR-6104Wg", 2, SIG_BR6104Wg),
160 BOARD_ADM("BR-6114WG", "Edimax BR-6114WG", 2, SIG_BR6114WG),
161 BOARD_ADM("BR-6524K", "Edimax BR-6524K", 2, SIG_BR6524K),
162 BOARD_ADM("BR-6524KP", "Edimax BR-6524KP", 2, SIG_BR6524KP),
163 BOARD_ADM("BR-6524WG", "Edimax BR-6524WG", 4, SIG_BR6524WG),
164 BOARD_ADM("BR-6524WP", "Edimax BR-6524WP", 4, SIG_BR6524WP),
165 BOARD_ADM("BR-6541K", "Edimax BR-6541K", 2, SIG_BR6541K),
166 BOARD_ADM("BR-6541KP", "Edimax BR-6541K", 2, SIG_BR6541KP),
167 BOARD_ADM("BR-6541WP", "Edimax BR-6541WP", 4, SIG_BR6541WP),
168 BOARD_ADM("EW-7207APg", "Edimax EW-7207APg", 2, SIG_EW7207APg),
169 BOARD_ADM("PS-1205UWg", "Edimax PS-1205UWg", 2, SIG_PS1205UWg),
170 BOARD_ADM("PS-3205U", "Edimax PS-3205U", 2, SIG_PS3205U),
171 BOARD_ADM("PS-3205UWg", "Edimax PS-3205UWg", 2, SIG_PS3205UWg),
172
173 /* Hawking products */
174 BOARD_ADM("H2BR4", "Hawking H2BR4", 2, SIG_H2BR4),
175 BOARD_ADM("H2WR54G", "Hawking H2WR54G", 4, SIG_H2WR54G),
176
177 /* Planet products */
178 BOARD_ADM("XRT-401D", "Planet XRT-401D", 2, SIG_XRT401D),
179 BOARD_ADM("XRT-402D", "Planet XRT-402D", 2, SIG_XRT402D),
180
181 /* Conceptronic products */
182 BOARD_ADM("C54BSR4", "Conceptronic C54BSR4", 2, SIG_C54BSR4),
183
184 /* OSBRiDGE products */
185 BOARD_ADM("5GXi", "OSBDRiDGE 5GXi", 2, SIG_5GXI),
186
187 {.model = NULL}
188 };
189
190 /*
191 * Message macros
192 */
193 #define ERR(fmt, ...) do { \
194 fflush(0); \
195 fprintf(stderr, "[%s] *** error: " fmt "\n", progname, ## __VA_ARGS__ ); \
196 } while (0)
197
198 #define ERRS(fmt, ...) do { \
199 int save = errno; \
200 fflush(0); \
201 fprintf(stderr, "[%s] *** error: " fmt "\n", progname, ## __VA_ARGS__ \
202 , strerror(save)); \
203 } while (0)
204
205 #define WARN(fmt, ...) do { \
206 fprintf(stderr, "[%s] *** warning: " fmt "\n", progname, ## __VA_ARGS__ ); \
207 } while (0)
208
209 #define DBG(lev, fmt, ...) do { \
210 if (verblevel < lev) \
211 break;\
212 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
213 } while (0)
214
215 #define ERR_FATAL -1
216 #define ERR_INVALID_IMAGE -2
217
218 void
219 usage(int status)
220 {
221 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
222 struct board_info *board;
223
224 fprintf(stream, "Usage: %s [OPTIONS...] <file>\n", progname);
225 fprintf(stream,
226 "\n"
227 "Options:\n"
228 " -B <board> create image for the board specified with <board>.\n"
229 " valid <board> values:\n"
230 );
231 for (board = boards; board->model != NULL; board++){
232 fprintf(stream,
233 " %-12s: %s\n",
234 board->model, board->name);
235 };
236 fprintf(stream,
237 " -d don't throw error on invalid images\n"
238 " -k keep invalid images\n"
239 " -b <file>[:<align>[:<padc>]]\n"
240 " add boot code to the image\n"
241 " -c <file>[:<align>[:<padc>]]\n"
242 " add configuration settings to the image\n"
243 " -r <file>:[<addr>][:<align>[:<padc>]]\n"
244 " add runtime code to the image\n"
245 " -w [<file>:[<addr>][:<align>[:<padc>]]]\n"
246 " add webpages to the image\n"
247 " -x <file>[:<align>[:<padc>]]\n"
248 " add extra data at the end of the image\n"
249 " -h show this screen\n"
250 "Parameters:\n"
251 " <file> write output to the file <file>\n"
252 );
253
254 exit(status);
255 }
256
257 static inline uint32_t align(uint32_t base, uint32_t alignment)
258 {
259 uint32_t ret;
260
261 if (alignment) {
262 ret = (base + alignment - 1);
263 ret &= ~(alignment-1);
264 } else {
265 ret = base;
266 }
267
268 return ret;
269 }
270
271 /*
272 * argument parsing
273 */
274 int
275 str2u32(char *arg, uint32_t *val)
276 {
277 char *err = NULL;
278 uint32_t t;
279
280 errno=0;
281 t = strtoul(arg, &err, 0);
282 if (errno || (err==arg) || ((err != NULL) && *err)) {
283 return -1;
284 }
285
286 *val = t;
287 return 0;
288 }
289
290
291 int
292 str2u16(char *arg, uint16_t *val)
293 {
294 char *err = NULL;
295 uint32_t t;
296
297 errno=0;
298 t = strtoul(arg, &err, 0);
299 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
300 return -1;
301 }
302
303 *val = t & 0xFFFF;
304 return 0;
305 }
306
307 int
308 str2u8(char *arg, uint8_t *val)
309 {
310 char *err = NULL;
311 uint32_t t;
312
313 errno=0;
314 t = strtoul(arg, &err, 0);
315 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
316 return -1;
317 }
318
319 *val = t & 0xFF;
320 return 0;
321 }
322
323 int
324 str2sig(char *arg, uint32_t *sig)
325 {
326 if (strlen(arg) != 4)
327 return -1;
328
329 *sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24);
330
331 return 0;
332 }
333
334
335 int
336 parse_arg(char *arg, char *buf, char *argv[])
337 {
338 int res = 0;
339 size_t argl;
340 char *tok;
341 char **ap = &buf;
342 int i;
343
344 memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
345
346 if ((arg == NULL)) {
347 /* no arguments */
348 return 0;
349 }
350
351 argl = strlen(arg);
352 if (argl == 0) {
353 /* no arguments */
354 return 0;
355 }
356
357 if (argl >= MAX_ARG_LEN) {
358 /* argument is too long */
359 argl = MAX_ARG_LEN-1;
360 }
361
362 memcpy(buf, arg, argl);
363 buf[argl] = '\0';
364
365 for (i = 0; i < MAX_ARG_COUNT; i++) {
366 tok = strsep(ap, ":");
367 if (tok == NULL) {
368 break;
369 }
370 #if 0
371 else if (tok[0] == '\0') {
372 break;
373 }
374 #endif
375 argv[i] = tok;
376 res++;
377 }
378
379 return res;
380 }
381
382
383 int
384 required_arg(char c, char *arg)
385 {
386 if (arg == NULL || *arg != '-')
387 return 0;
388
389 ERR("option -%c requires an argument\n", c);
390 return ERR_FATAL;
391 }
392
393
394 int
395 is_empty_arg(char *arg)
396 {
397 int ret = 1;
398 if (arg != NULL) {
399 if (*arg) ret = 0;
400 };
401 return ret;
402 }
403
404
405 void
406 csum8_update(uint8_t *p, uint32_t len, struct csum_state *css)
407 {
408 for ( ; len > 0; len --) {
409 css->val += *p++;
410 }
411 }
412
413
414 uint16_t
415 csum8_get(struct csum_state *css)
416 {
417 uint8_t t;
418
419 t = css->val;
420 return ~t + 1;
421 }
422
423
424 void
425 csum16_update(uint8_t *p, uint32_t len, struct csum_state *css)
426 {
427 uint16_t t;
428
429 if (css->odd) {
430 t = css->tmp + (p[0]<<8);
431 css->val += LE16_TO_HOST(t);
432 css->odd = 0;
433 len--;
434 p++;
435 }
436
437 for ( ; len > 1; len -= 2, p +=2 ) {
438 t = p[0] + (p[1] << 8);
439 css->val += LE16_TO_HOST(t);
440 }
441
442 if (len == 1) {
443 css->tmp = p[0];
444 css->odd = 1;
445 }
446 }
447
448
449 uint16_t
450 csum16_get(struct csum_state *css)
451 {
452 char pad = 0;
453
454 csum16_update(&pad, 1, css);
455 return ~css->val + 1;
456 }
457
458
459 void
460 csum_init(struct csum_state *css, int size)
461 {
462 css->val = 0;
463 css->tmp = 0;
464 css->odd = 0;
465 css->size = size;
466 }
467
468
469 void
470 csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
471 {
472 switch (css->size) {
473 case CSUM_SIZE_8:
474 csum8_update(p,len,css);
475 break;
476 case CSUM_SIZE_16:
477 csum16_update(p,len,css);
478 break;
479 }
480 }
481
482
483 uint16_t
484 csum_get(struct csum_state *css)
485 {
486 uint16_t ret;
487
488 switch (css->size) {
489 case CSUM_SIZE_8:
490 ret = csum8_get(css);
491 break;
492 case CSUM_SIZE_16:
493 ret = csum16_get(css);
494 break;
495 }
496
497 return ret;
498 }
499
500
501 /*
502 * routines to write data to the output file
503 */
504 int
505 write_out_data(FILE *outfile, uint8_t *data, size_t len,
506 struct csum_state *css)
507 {
508 errno = 0;
509
510 fwrite(data, len, 1, outfile);
511 if (errno) {
512 ERRS("unable to write output file");
513 return ERR_FATAL;
514 }
515
516 if (css) {
517 csum_update(data, len, css);
518 }
519
520 return 0;
521 }
522
523
524 int
525 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
526 struct csum_state *css)
527 {
528 uint8_t buf[512];
529 size_t buflen = sizeof(buf);
530 int err;
531
532 memset(buf, padc, buflen);
533 while (len > 0) {
534 if (len < buflen)
535 buflen = len;
536
537 err = write_out_data(outfile, buf, buflen, css);
538 if (err)
539 return err;
540
541 len -= buflen;
542 }
543
544 return 0;
545 }
546
547
548 int
549 block_stat_file(struct csys_block *block)
550 {
551 struct stat st;
552 int err;
553
554 if (block->file_name == NULL)
555 return 0;
556
557 err = stat(block->file_name, &st);
558 if (err){
559 ERRS("stat failed on %s", block->file_name);
560 return ERR_FATAL;
561 }
562
563 block->file_size = st.st_size;
564 return 0;
565 }
566
567
568 int
569 block_writeout_hdr(FILE *outfile, struct csys_block *block)
570 {
571 struct csys_header hdr;
572 int res;
573
574 if (block->size_hdr == 0)
575 return 0;
576
577 /* setup header fields */
578 memcpy(hdr.sig, block->sig, 4);
579 hdr.addr = HOST_TO_LE32(block->addr);
580 hdr.size = HOST_TO_LE32(block->size - block->size_hdr - block->size_csum);
581
582 DBG(1,"writing header for block");
583 res = write_out_data(outfile, (uint8_t *)&hdr, sizeof(hdr),NULL);
584 return res;
585
586 }
587
588
589 int
590 block_writeout_file(FILE *outfile, struct csys_block *block)
591 {
592 char buf[FILE_BUF_LEN];
593 size_t buflen = sizeof(buf);
594 FILE *f;
595 size_t len;
596 int res;
597
598 if (block->file_name == NULL)
599 return 0;
600
601 if (block->file_size == 0)
602 return 0;
603
604 errno = 0;
605 f = fopen(block->file_name,"r");
606 if (errno) {
607 ERRS("unable to open file: %s", block->file_name);
608 return ERR_FATAL;
609 }
610
611 len = block->file_size;
612 while (len > 0) {
613 if (len < buflen)
614 buflen = len;
615
616 /* read data from source file */
617 errno = 0;
618 fread(buf, buflen, 1, f);
619 if (errno != 0) {
620 ERRS("unable to read from file: %s", block->file_name);
621 res = ERR_FATAL;
622 break;
623 }
624
625 res = write_out_data(outfile, buf, buflen, block->css);
626 if (res)
627 break;
628
629 len -= buflen;
630 }
631
632 fclose(f);
633 return res;
634 }
635
636
637 int
638 block_writeout_data(FILE *outfile, struct csys_block *block)
639 {
640 int res;
641 size_t padlen;
642
643 res = block_writeout_file(outfile, block);
644 if (res)
645 return res;
646
647 /* write padding data if neccesary */
648 padlen = block->size_avail - block->file_size;
649 DBG(1,"padding block, length=%d", padlen);
650 res = write_out_padding(outfile, padlen, block->padc, block->css);
651
652 return res;
653 }
654
655
656 int
657 block_writeout_csum(FILE *outfile, struct csys_block *block)
658 {
659 uint16_t csum;
660 int res;
661
662 if (block->size_csum == 0)
663 return 0;
664
665 DBG(1,"writing checksum for block");
666 csum = HOST_TO_LE16(csum_get(block->css));
667 res = write_out_data(outfile, (uint8_t *)&csum, block->size_csum, NULL);
668
669 return res;
670 }
671
672
673 int
674 block_writeout(FILE *outfile, struct csys_block *block)
675 {
676 int res;
677 struct csum_state css;
678
679 res = 0;
680
681 if (block == NULL)
682 return res;
683
684 block->css = NULL;
685
686 DBG(2, "writing block, file=%s, file_size=%d, space=%d",
687 block->file_name, block->file_size, block->size_avail);
688 res = block_writeout_hdr(outfile, block);
689 if (res)
690 return res;
691
692 if (block->size_csum != 0) {
693 block->css = &css;
694 csum_init(&css, block->size_csum);
695 }
696
697 res = block_writeout_data(outfile, block);
698 if (res)
699 return res;
700
701 res = block_writeout_csum(outfile, block);
702 if (res)
703 return res;
704
705 return res;
706 }
707
708
709 int
710 write_out_blocks(FILE *outfile)
711 {
712 struct csys_block *block;
713 int i, res;
714
715 res = block_writeout(outfile, boot_block);
716 if (res)
717 return res;
718
719 res = block_writeout(outfile, conf_block);
720 if (res)
721 return res;
722
723 res = block_writeout(outfile, webp_block);
724 if (res)
725 return res;
726
727 res = block_writeout(outfile, code_block);
728 if (res)
729 return res;
730
731 res = 0;
732 for (i=0; i < num_blocks; i++) {
733 block = &blocks[i];
734
735 if (block->type != BLOCK_TYPE_XTRA)
736 continue;
737
738 res = block_writeout(outfile, block);
739 if (res)
740 break;
741 }
742
743 return res;
744 }
745
746
747 struct board_info *
748 find_board(char *model)
749 {
750 struct board_info *ret;
751 struct board_info *board;
752
753 ret = NULL;
754 for (board = boards; board->model != NULL; board++){
755 if (strcasecmp(model, board->model) == 0) {
756 ret = board;
757 break;
758 }
759 };
760
761 return ret;
762 }
763
764
765 int
766 parse_opt_board(char ch, char *arg)
767 {
768
769 DBG(1,"parsing board option: -%c %s", ch, arg);
770
771 if (board != NULL) {
772 ERR("only one board option allowed");
773 return ERR_FATAL;
774 }
775
776 if (required_arg(ch, arg))
777 return ERR_FATAL;
778
779 board = find_board(arg);
780 if (board == NULL){
781 ERR("invalid/unknown board specified: %s", arg);
782 return ERR_FATAL;
783 }
784
785 return 0;
786 }
787
788
789 int
790 parse_opt_block(char ch, char *arg)
791 {
792 char buf[MAX_ARG_LEN];
793 char *argv[MAX_ARG_COUNT];
794 int argc;
795 char *p;
796 struct csys_block *block;
797 int i;
798
799 if ( num_blocks > MAX_NUM_BLOCKS ) {
800 ERR("too many blocks specified");
801 return ERR_FATAL;
802 }
803
804 block = &blocks[num_blocks];
805
806 /* setup default field values */
807 block->need_file = 1;
808 block->padc = 0xFF;
809
810 switch (ch) {
811 case 'b':
812 if (boot_block) {
813 WARN("only one boot block allowed");
814 break;
815 }
816 block->type = BLOCK_TYPE_BOOT;
817 boot_block = block;
818 break;
819 case 'c':
820 if (conf_block) {
821 WARN("only one config block allowed");
822 break;
823 }
824 block->type = BLOCK_TYPE_CONF;
825 conf_block = block;
826 break;
827 case 'w':
828 if (webp_block) {
829 WARN("only one web block allowed");
830 break;
831 }
832 block->type = BLOCK_TYPE_WEBP;
833 block->size_hdr = sizeof(struct csys_header);
834 block->size_csum = CSUM_SIZE_8;
835 block->need_file = 0;
836 webp_block = block;
837 break;
838 case 'r':
839 if (code_block) {
840 WARN("only one runtime block allowed");
841 break;
842 }
843 block->type = BLOCK_TYPE_CODE;
844 block->size_hdr = sizeof(struct csys_header);
845 block->size_csum = CSUM_SIZE_16;
846 code_block = block;
847 break;
848 case 'x':
849 block->type = BLOCK_TYPE_XTRA;
850 break;
851 default:
852 ERR("unknown block type \"%c\"", ch);
853 return ERR_FATAL;
854 }
855
856 argc = parse_arg(arg, buf, argv);
857
858 i = 0;
859 p = argv[i++];
860 if (!is_empty_arg(p)) {
861 block->file_name = strdup(p);
862 if (block->file_name == NULL) {
863 ERR("not enough memory");
864 return ERR_FATAL;
865 }
866 } else if (block->need_file){
867 ERR("no file specified in %s", arg);
868 return ERR_FATAL;
869 }
870
871 if (block->size_hdr) {
872 p = argv[i++];
873 if (!is_empty_arg(p)) {
874 if (str2u32(p, &block->addr) != 0) {
875 ERR("invalid start address in %s", arg);
876 return ERR_FATAL;
877 }
878 block->addr_set = 1;
879 }
880 }
881
882 p = argv[i++];
883 if (!is_empty_arg(p)) {
884 if (str2u32(p, &block->align) != 0) {
885 ERR("invalid alignment value in %s", arg);
886 return ERR_FATAL;
887 }
888 block->align_set = 1;
889 }
890
891 p = argv[i++];
892 if (!is_empty_arg(p) && (str2u8(p, &block->padc) != 0)) {
893 ERR("invalid paddig character in %s", arg);
894 return ERR_FATAL;
895 }
896
897 num_blocks++;
898
899 return 0;
900 }
901
902
903 int
904 process_blocks(void)
905 {
906 struct csys_block *block;
907 uint32_t offs = 0;
908 int i;
909 int res;
910
911 res = 0;
912 /* collecting stats */
913 for (i = 0; i < num_blocks; i++) {
914 block = &blocks[i];
915 res = block_stat_file(block);
916 if (res)
917 return res;
918 }
919
920 /* bootloader */
921 block = boot_block;
922 if (block) {
923 block->size = board->boot_size;
924 if (block->file_size > board->boot_size) {
925 WARN("boot block is too big");
926 res = ERR_INVALID_IMAGE;
927 }
928 }
929 offs += board->boot_size;
930
931 /* configuration data */
932 block = conf_block;
933 if (block) {
934 block->size = board->conf_size;
935 if (block->file_size > board->conf_size) {
936 WARN("config block is too big");
937 res = ERR_INVALID_IMAGE;
938 }
939 }
940 offs += board->conf_size;
941
942 /* webpages */
943 block = webp_block;
944 if (block) {
945
946 memcpy(block->sig, board->sig_webp, 4);
947
948 if (block->addr_set == 0)
949 block->addr = board->addr_webp;
950
951 if (block->align_set == 0)
952 block->align = DEFAULT_BLOCK_ALIGN;
953
954 block->size = align(offs + block->file_size + block->size_hdr +
955 block->size_csum, block->align) - offs;
956
957 if (block->size > board->webp_size_max) {
958 WARN("webpages block is too big");
959 res = ERR_INVALID_IMAGE;
960 }
961
962 DBG(2,"webpages start at %08x, size=%08x", offs,
963 block->size);
964
965 offs += block->size;
966 if (offs > board->flash_size) {
967 WARN("webp block is too big");
968 res = ERR_INVALID_IMAGE;
969 }
970 }
971
972 /* runtime code */
973 block = code_block;
974 if (block) {
975 memcpy(code_block->sig, SIG_CSYS, 4);
976
977 if (block->addr_set == 0)
978 block->addr = board->addr_code;
979
980 if (block->align_set == 0)
981 block->align = DEFAULT_BLOCK_ALIGN;
982
983 block->size = align(offs + block->file_size +
984 block->size_hdr + block->size_csum,
985 block->align) - offs;
986
987 DBG(2,"code block start at %08x, size=%08x", offs,
988 block->size);
989
990 offs += block->size;
991 if (offs > board->flash_size) {
992 WARN("code block is too big");
993 res = ERR_INVALID_IMAGE;
994 }
995 }
996
997 for (i = 0; i < num_blocks; i++) {
998 block = &blocks[i];
999
1000 if (block->type != BLOCK_TYPE_XTRA)
1001 continue;
1002
1003 if (block->align_set == 0)
1004 block->align = DEFAULT_BLOCK_ALIGN;
1005
1006 block->size = align(offs + block->file_size,
1007 block->align) - offs;
1008
1009 DBG(2,"file %s start at %08x, size=%08x, align=%08x",
1010 block->file_name, offs, block->size, block->align);
1011
1012 offs += block->size;
1013 if (offs > board->flash_size) {
1014 WARN("file %s is too big, size=%d, avail=%d",
1015 block->file_name, block->file_size,
1016 board->flash_size - offs);
1017 res = ERR_INVALID_IMAGE;
1018 }
1019 }
1020
1021 for (i = 0; i < num_blocks; i++) {
1022 block = &blocks[i];
1023
1024 block->size_avail = block->size - block->size_hdr -
1025 block->size_csum;
1026
1027 if (block->size_avail < block->file_size) {
1028 WARN("file %s is too big, size=%d, avail=%d",
1029 block->file_name, block->file_size,
1030 block->size_avail);
1031 res = ERR_INVALID_IMAGE;
1032 }
1033 }
1034
1035 return res;
1036 }
1037
1038
1039 int
1040 main(int argc, char *argv[])
1041 {
1042 int optinvalid = 0; /* flag for invalid option */
1043 int c;
1044 int res = ERR_FATAL;
1045
1046 FILE *outfile;
1047
1048 progname=basename(argv[0]);
1049
1050 opterr = 0; /* could not print standard getopt error messages */
1051 while ( 1 ) {
1052 optinvalid = 0;
1053
1054 c = getopt(argc, argv, "b:B:c:dhkr:vw:x:");
1055 if (c == -1)
1056 break;
1057
1058 switch (c) {
1059 case 'b':
1060 case 'c':
1061 case 'r':
1062 case 'x':
1063 optinvalid = parse_opt_block(c,optarg);
1064 break;
1065 case 'w':
1066 if (optarg != NULL && *optarg == '-') {
1067 /* rollback */
1068 optind--;
1069 optarg = NULL;
1070 }
1071 optinvalid = parse_opt_block(c,optarg);
1072 break;
1073 case 'd':
1074 invalid_causes_error = 0;
1075 break;
1076 case 'k':
1077 keep_invalid_images = 1;
1078 break;
1079 case 'B':
1080 optinvalid = parse_opt_board(c,optarg);
1081 break;
1082 case 'v':
1083 verblevel++;
1084 break;
1085 case 'h':
1086 usage(EXIT_SUCCESS);
1087 break;
1088 default:
1089 optinvalid = 1;
1090 break;
1091 }
1092 if (optinvalid != 0 ){
1093 ERR("invalid option: -%c", optopt);
1094 goto out;
1095 }
1096 }
1097
1098 if (board == NULL) {
1099 ERR("no board specified");
1100 goto out;
1101 }
1102
1103 if (optind == argc) {
1104 ERR("no output file specified");
1105 goto out;
1106 }
1107
1108 ofname = argv[optind++];
1109
1110 if (optind < argc) {
1111 ERR("invalid option: %s", argv[optind]);
1112 goto out;
1113 }
1114
1115 res = process_blocks();
1116 if (res == ERR_FATAL)
1117 goto out;
1118
1119 if (res == ERR_INVALID_IMAGE) {
1120 if (invalid_causes_error)
1121 res = ERR_FATAL;
1122
1123 if (keep_invalid_images == 0) {
1124 WARN("generation of invalid images disabled", ofname);
1125 goto out;
1126 }
1127
1128 WARN("generating invalid image", ofname);
1129 }
1130
1131 outfile = fopen(ofname, "w");
1132 if (outfile == NULL) {
1133 ERRS("could not open \"%s\" for writing", ofname);
1134 res = ERR_FATAL;
1135 goto out;
1136 }
1137
1138 if (write_out_blocks(outfile) != 0) {
1139 res = ERR_FATAL;
1140 goto out_flush;
1141 }
1142
1143 DBG(1,"Image file %s completed.", ofname);
1144
1145 out_flush:
1146 fflush(outfile);
1147 fclose(outfile);
1148 if (res == ERR_FATAL) {
1149 unlink(ofname);
1150 }
1151 out:
1152 if (res == ERR_FATAL)
1153 return EXIT_FAILURE;
1154
1155 return EXIT_SUCCESS;
1156 }
Personal OpenWRT clone
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