Add ADM5120 based edimax image generation utilities
[openwrt/svn-archive/archive.git] / tools / firmware-utils / src / mkcsysimg.c
1 /*
2 * $Id$
3 *
4 * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
5 *
6 * This program was based on the code found in various Linux
7 * source tarballs released by Edimax for it's devices.
8 * Original author: David Hsu <davidhsu@realtek.com.tw>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the
22 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 * Boston, MA 02110-1301, USA.
24 */
25
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <stdint.h>
29 #include <string.h>
30 #include <unistd.h> /* for unlink() */
31 #include <libgen.h>
32 #include <getopt.h> /* for getopt() */
33 #include <stdarg.h>
34 #include <errno.h>
35 #include <sys/stat.h>
36 #include <endian.h> /* for __BYTE_ORDER */
37 #if defined(__CYGWIN__)
38 # include <byteswap.h>
39 #endif
40
41 #include "csysimg.h"
42
43 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
44 # define HOST_TO_LE16(x) (x)
45 # define HOST_TO_LE32(x) (x)
46 # define LE16_TO_HOST(x) (x)
47 # define LE32_TO_HOST(x) (x)
48 #else
49 # define HOST_TO_LE16(x) bswap_16(x)
50 # define HOST_TO_LE32(x) bswap_32(x)
51 # define LE16_TO_HOST(x) bswap_16(x)
52 # define LE32_TO_HOST(x) bswap_32(x)
53 #endif
54
55 #define ALIGN(x,y) ((x)+((y)-1)) & ~((y)-1)
56
57 #define MAX_NUM_BLOCKS 8
58 #define MAX_ARG_COUNT 32
59 #define MAX_ARG_LEN 1024
60 #define FILE_BUF_LEN (16*1024)
61 #define CSYS_PADC 0xFF
62
63 #define BLOCK_TYPE_BOOT 0
64 #define BLOCK_TYPE_CONF 1
65 #define BLOCK_TYPE_WEBP 2
66 #define BLOCK_TYPE_CODE 3
67 #define BLOCK_TYPE_XTRA 4
68
69
70 struct csum_state{
71 int size;
72 uint16_t val;
73 uint16_t tmp;
74 int odd;
75 };
76
77
78 struct csys_block {
79 int type; /* type of the block */
80
81 int need_file;
82 char *file_name; /* name of the file */
83 uint32_t file_size; /* length of the file */
84
85 uint32_t size;
86 int size_set;
87 uint8_t padc;
88
89 uint32_t size_hdr;
90 uint32_t size_csum;
91 uint32_t size_avail;
92
93 unsigned char sig[SIG_LEN];
94 uint32_t addr;
95 int addr_set;
96 struct csum_state *css;
97 };
98
99
100 struct board_info {
101 char *model;
102 char *name;
103 uint32_t flash_size;
104
105 char sig_boot[SIG_LEN];
106 char sig_conf[SIG_LEN];
107 char sig_webp[SIG_LEN];
108
109 uint32_t boot_size;
110 uint32_t conf_size;
111 uint32_t webp_size;
112 uint32_t webp_size_max;
113 uint32_t code_size;
114
115 uint32_t addr_code;
116 uint32_t addr_webp;
117 };
118
119 #define BOARD(m, n, f, sigb, sigw, bs, cs, ws, ac, aw) {\
120 .model = m, .name = n, .flash_size = f<<20, \
121 .sig_boot = sigb, .sig_conf = SIG_CONF, .sig_webp = sigw, \
122 .boot_size = bs, .conf_size = cs, \
123 .webp_size = ws, .webp_size_max = 3*0x10000, \
124 .addr_code = ac, .addr_webp = aw \
125 }
126
127 #define BOARD_ADM(m,n,f, sigw) BOARD(m,n,f, ADM_BOOT_SIG, sigw, \
128 ADM_BOOT_SIZE, ADM_CONF_SIZE, ADM_WEBP_SIZE, \
129 ADM_CODE_ADDR, ADM_WEBP_ADDR)
130
131
132 /*
133 * Globals
134 */
135 char *progname;
136 char *ofname = NULL;
137 int verblevel = 0;
138 int size_check = 1;
139
140 struct board_info *board = NULL;
141
142 struct csys_block *boot_block = NULL;
143 struct csys_block *conf_block = NULL;
144 struct csys_block *webp_block = NULL;
145 struct csys_block *code_block = NULL;
146
147 struct csys_block blocks[MAX_NUM_BLOCKS];
148 int num_blocks = 0;
149
150
151 static struct board_info boards[] = {
152 /* The original Edimax products */
153 BOARD_ADM("BR-6104K", "Edimax BR-6104K", 2, SIG_BR6104K),
154 BOARD_ADM("BR-6104KP", "Edimax BR-6104KP", 2, SIG_BR6104KP),
155 BOARD_ADM("BR-6114WG", "Edimax BR-6114WG", 2, SIG_BR6114WG),
156 BOARD_ADM("BR-6524K", "Edimax BR-6524K", 2, SIG_BR6524K),
157 BOARD_ADM("BR-6524KP", "Edimax BR-6524KP", 2, SIG_BR6524KP),
158 BOARD_ADM("BR-6524WG", "Edimax BR-6524WG", 4, SIG_BR6524WG),
159 BOARD_ADM("BR-6524WP", "Edimax BR-6524WP", 4, SIG_BR6524WP),
160 BOARD_ADM("BR-6541K", "Edimax BR-6541K", 2, SIG_BR6541K),
161 BOARD_ADM("BR-6541KP", "Edimax BR-6541K", 2, SIG_BR6541KP),
162 BOARD_ADM("BR-6541WP", "Edimax BR-6541WP", 4, SIG_BR6541WP),
163 BOARD_ADM("EW-7207APg", "Edimax EW-7207APg", 2, SIG_EW7207APg),
164 BOARD_ADM("PS-1205UWg", "Edimax PS-1205UWg", 2, SIG_PS1205UWg),
165 BOARD_ADM("PS-3205U", "Edimax PS-3205U", 2, SIG_PS3205U),
166 BOARD_ADM("PS-3205UWg", "Edimax PS-3205UWg", 2, SIG_PS3205UWg),
167
168 /* Hawking products */
169 BOARD_ADM("H2BR4", "Hawking H2BR4", 2, SIG_H2BR4),
170 BOARD_ADM("H2WR54G", "Hawking H2WR54G", 4, SIG_H2WR54G),
171
172 /* Planet products */
173 BOARD_ADM("XRT-401D", "Planet XRT-401D", 2, SIG_XRT401D),
174 BOARD_ADM("XRT-402D", "Planet XRT-402D", 2, SIG_XRT402D),
175
176 {.model = NULL}
177 };
178
179 /*
180 * Helper routines
181 */
182 void
183 errmsgv(int syserr, const char *fmt, va_list arg_ptr)
184 {
185 int save = errno;
186
187 fflush(0);
188 fprintf(stderr, "%s: error, ", progname);
189 vfprintf(stderr, fmt, arg_ptr);
190 if (syserr != 0) {
191 fprintf(stderr, " (%s)", strerror(save));
192 }
193 fprintf(stderr, "\n");
194 }
195
196 void
197 errmsg(int syserr, const char *fmt, ...)
198 {
199 va_list arg_ptr;
200 va_start(arg_ptr, fmt);
201 errmsgv(syserr, fmt, arg_ptr);
202 va_end(arg_ptr);
203 }
204
205 void
206 dbgmsg(int level, const char *fmt, ...)
207 {
208 va_list arg_ptr;
209 if (verblevel >= level) {
210 fflush(0);
211 va_start(arg_ptr, fmt);
212 vfprintf(stderr, fmt, arg_ptr);
213 fprintf(stderr, "\n");
214 va_end(arg_ptr);
215 }
216 }
217
218
219 void
220 usage(int status)
221 {
222 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
223 struct board_info *board;
224
225 fprintf(stream, "Usage: %s [OPTIONS...] <file>\n", progname);
226 fprintf(stream,
227 "\n"
228 "Options:\n"
229 " -B <board> create image for the board specified with <board>.\n"
230 " valid <board> values:\n"
231 );
232 for (board = boards; board->model != NULL; board++){
233 fprintf(stream,
234 " %-12s: %s\n",
235 board->model, board->name);
236 };
237 fprintf(stream,
238 " -d disable check for available space\n"
239 " add boot code to the image\n"
240 " -b <file>[:<len>[:<padc>]]\n"
241 " add boot code to the image\n"
242 " -c <file>[:<len>[:<padc>]]\n"
243 " add configuration settings to the image\n"
244 " -r <file>:[<addr>][:<len>[:<padc>]]\n"
245 " add runtime code to the image"
246 " -w [<file>:[<addr>][:<len>[:<padc>]]]\n"
247 " add webpages to the image"
248 " -x <file>[:<len>[:<padc>]]\n"
249 " add extra data at the end of the image\n"
250 " -h show this screen\n"
251 "Parameters:\n"
252 " <file> write output to the file <file>\n"
253 );
254
255 exit(status);
256 }
257
258
259 /*
260 * argument parsing
261 */
262 int
263 str2u32(char *arg, uint32_t *val)
264 {
265 char *err = NULL;
266 uint32_t t;
267
268 errno=0;
269 t = strtoul(arg, &err, 0);
270 if (errno || (err==arg) || ((err != NULL) && *err)) {
271 return -1;
272 }
273
274 *val = t;
275 return 0;
276 }
277
278
279 int
280 str2u16(char *arg, uint16_t *val)
281 {
282 char *err = NULL;
283 uint32_t t;
284
285 errno=0;
286 t = strtoul(arg, &err, 0);
287 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
288 return -1;
289 }
290
291 *val = t & 0xFFFF;
292 return 0;
293 }
294
295 int
296 str2u8(char *arg, uint8_t *val)
297 {
298 char *err = NULL;
299 uint32_t t;
300
301 errno=0;
302 t = strtoul(arg, &err, 0);
303 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
304 return -1;
305 }
306
307 *val = t & 0xFF;
308 return 0;
309 }
310
311 int
312 str2sig(char *arg, uint32_t *sig)
313 {
314 if (strlen(arg) != 4)
315 return -1;
316
317 *sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24);
318
319 return 0;
320 }
321
322
323 int
324 parse_arg(char *arg, char *buf, char *argv[])
325 {
326 int res = 0;
327 size_t argl;
328 char *tok;
329 char **ap = &buf;
330 int i;
331
332 memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
333
334 if ((arg == NULL)) {
335 /* no arguments */
336 return 0;
337 }
338
339 argl = strlen(arg);
340 if (argl == 0) {
341 /* no arguments */
342 return 0;
343 }
344
345 if (argl >= MAX_ARG_LEN) {
346 /* argument is too long */
347 argl = MAX_ARG_LEN-1;
348 }
349
350 memcpy(buf, arg, argl);
351 buf[argl] = '\0';
352
353 for (i = 0; i < MAX_ARG_COUNT; i++) {
354 tok = strsep(ap, ":");
355 if (tok == NULL) {
356 break;
357 }
358 #if 0
359 else if (tok[0] == '\0') {
360 break;
361 }
362 #endif
363 argv[i] = tok;
364 res++;
365 }
366
367 return res;
368 }
369
370
371 int
372 required_arg(char c, char *arg)
373 {
374 if (arg == NULL || *arg != '-')
375 return 0;
376
377 errmsg(0,"option -%c requires an argument\n", c);
378 return -1;
379 }
380
381
382 int
383 is_empty_arg(char *arg)
384 {
385 int ret = 1;
386 if (arg != NULL) {
387 if (*arg) ret = 0;
388 };
389 return ret;
390 }
391
392
393 void
394 csum8_update(uint8_t *p, uint32_t len, struct csum_state *css)
395 {
396 for ( ; len > 0; len --) {
397 css->val += *p++;
398 }
399 }
400
401
402 uint16_t
403 csum8_get(struct csum_state *css)
404 {
405 uint8_t t;
406
407 t = css->val;
408 return ~t + 1;
409 }
410
411
412 void
413 csum16_update(uint8_t *p, uint32_t len, struct csum_state *css)
414 {
415 uint16_t t;
416
417 if (css->odd) {
418 t = css->tmp + (p[0]<<8);
419 css->val += LE16_TO_HOST(t);
420 css->odd = 0;
421 len--;
422 p++;
423 }
424
425 for ( ; len > 1; len -= 2, p +=2 ) {
426 t = p[0] + (p[1] << 8);
427 css->val += LE16_TO_HOST(t);
428 }
429
430 if (len == 1) {
431 css->tmp = p[0];
432 css->odd = 1;
433 }
434 }
435
436
437 uint16_t
438 csum16_get(struct csum_state *css)
439 {
440 char pad = 0;
441
442 csum16_update(&pad, 1, css);
443 return ~css->val + 1;
444 }
445
446
447 void
448 csum_init(struct csum_state *css, int size)
449 {
450 css->val = 0;
451 css->tmp = 0;
452 css->odd = 0;
453 css->size = size;
454 }
455
456
457 void
458 csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
459 {
460 switch (css->size) {
461 case 1:
462 csum8_update(p,len,css);
463 break;
464 case 2:
465 csum16_update(p,len,css);
466 break;
467 }
468 }
469
470
471 uint16_t
472 csum_get(struct csum_state *css)
473 {
474 uint16_t ret;
475
476 switch (css->size) {
477 case 1:
478 ret = csum8_get(css);
479 break;
480 case 2:
481 ret = csum16_get(css);
482 break;
483 }
484
485 return ret;
486 }
487
488
489 /*
490 * routines to write data to the output file
491 */
492 int
493 write_out_data(FILE *outfile, uint8_t *data, size_t len,
494 struct csum_state *css)
495 {
496 errno = 0;
497
498 fwrite(data, len, 1, outfile);
499 if (errno) {
500 errmsg(1,"unable to write output file");
501 return -1;
502 }
503
504 if (css) {
505 csum_update(data, len, css);
506 }
507
508 return 0;
509 }
510
511
512 int
513 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
514 struct csum_state *css)
515 {
516 uint8_t buf[512];
517 size_t buflen = sizeof(buf);
518
519 memset(buf, padc, buflen);
520 while (len > 0) {
521 if (len < buflen)
522 buflen = len;
523
524 if (write_out_data(outfile, buf, buflen, css))
525 return -1;
526
527 len -= buflen;
528 }
529
530 return 0;
531 }
532
533
534 int
535 block_stat_file(struct csys_block *block)
536 {
537 struct stat st;
538 int res;
539
540 if (block->file_name == NULL)
541 return 0;
542
543 res = stat(block->file_name, &st);
544 if (res){
545 errmsg(1, "stat failed on %s", block->file_name);
546 return res;
547 }
548
549 block->file_size = st.st_size;
550 return 0;
551 }
552
553
554 int
555 block_writeout_hdr(FILE *outfile, struct csys_block *block)
556 {
557 struct csys_header hdr;
558 int res;
559
560 if (block->size_hdr == 0)
561 return 0;
562
563 /* setup header fields */
564 memcpy(hdr.sig, block->sig, 4);
565 hdr.addr = HOST_TO_LE32(block->addr);
566 hdr.size = HOST_TO_LE32(block->size-block->size_hdr);
567
568 dbgmsg(1,"writing header for block");
569 res = write_out_data(outfile, (uint8_t *)&hdr, sizeof(hdr),NULL);
570 return res;
571
572 }
573
574
575 int
576 block_writeout_file(FILE *outfile, struct csys_block *block)
577 {
578 char buf[FILE_BUF_LEN];
579 size_t buflen = sizeof(buf);
580 FILE *f;
581 size_t len;
582 int res;
583
584 if (block->file_name == NULL)
585 return 0;
586
587 if (block->file_size == 0)
588 return 0;
589
590 errno = 0;
591 f = fopen(block->file_name,"r");
592 if (errno) {
593 errmsg(1,"unable to open file: %s", block->file_name);
594 return -1;
595 }
596
597 len = block->file_size;
598 while (len > 0) {
599 if (len < buflen)
600 buflen = len;
601
602 /* read data from source file */
603 errno = 0;
604 fread(buf, buflen, 1, f);
605 if (errno != 0) {
606 errmsg(1,"unable to read from file: %s",
607 block->file_name);
608 res = -1;
609 break;
610 }
611
612 res = write_out_data(outfile, buf, buflen, block->css);
613 if (res)
614 break;
615
616 len -= buflen;
617 }
618
619 fclose(f);
620 return res;
621 }
622
623
624 int
625 block_writeout_data(FILE *outfile, struct csys_block *block)
626 {
627 int res;
628 size_t padlen;
629
630 res = block_writeout_file(outfile, block);
631 if (res)
632 return res;
633
634 /* write padding data if neccesary */
635 padlen = block->size_avail - block->file_size;
636 dbgmsg(1,"padding block, length=%d", padlen);
637 res = write_out_padding(outfile, padlen, block->padc, block->css);
638
639 return res;
640 }
641
642
643 int
644 block_writeout_csum(FILE *outfile, struct csys_block *block)
645 {
646 uint16_t csum;
647 int res;
648
649 if (block->size_csum == 0)
650 return 0;
651
652 dbgmsg(1,"writing checksum for block");
653 csum = HOST_TO_LE16(csum_get(block->css));
654 res = write_out_data(outfile, (uint8_t *)&csum, block->size_csum, NULL);
655
656 return res;
657 }
658
659
660 int
661 block_writeout(FILE *outfile, struct csys_block *block)
662 {
663 int res;
664 struct csum_state css;
665
666 res = 0;
667
668 if (block == NULL)
669 return res;
670
671 block->css = NULL;
672
673 dbgmsg(2, "writing block, file=%s, file_size=%d, space=%d",
674 block->file_name, block->file_size, block->size_avail);
675 res = block_writeout_hdr(outfile, block);
676 if (res)
677 return res;
678
679 if (block->size_csum != 0) {
680 block->css = &css;
681 csum_init(&css, block->size_csum);
682 }
683
684 res = block_writeout_data(outfile, block);
685 if (res)
686 return res;
687
688 res = block_writeout_csum(outfile, block);
689 if (res)
690 return res;
691
692 return res;
693 }
694
695
696 int
697 write_out_blocks(FILE *outfile)
698 {
699 struct csys_block *block;
700 int i, res;
701
702 res = block_writeout(outfile, boot_block);
703 if (res)
704 return res;
705
706 res = block_writeout(outfile, conf_block);
707 if (res)
708 return res;
709
710 res = block_writeout(outfile, webp_block);
711 if (res)
712 return res;
713
714 res = block_writeout(outfile, code_block);
715 if (res)
716 return res;
717
718 res = 0;
719 for (i=0; i < num_blocks; i++) {
720 block = &blocks[i];
721
722 if (block->type != BLOCK_TYPE_XTRA)
723 continue;
724
725 res = block_writeout(outfile, block);
726 if (res)
727 break;
728 }
729
730 return res;
731 }
732
733
734 struct board_info *
735 find_board(char *model)
736 {
737 struct board_info *ret;
738 struct board_info *board;
739
740 ret = NULL;
741 for (board = boards; board->model != NULL; board++){
742 if (strcmp(model, board->model) == 0) {
743 ret = board;
744 break;
745 }
746 };
747
748 return ret;
749 }
750
751
752 int
753 parse_opt_board(char ch, char *arg)
754 {
755
756 dbgmsg(1,"parsing board option: -%c %s", ch, arg);
757
758 if (board != NULL) {
759 errmsg(0,"only one board option allowed");
760 return -1;
761 }
762
763 if (required_arg(ch, arg))
764 return -1;
765
766 board = find_board(arg);
767 if (board == NULL){
768 errmsg(0,"invalid/unknown board specified: %s", arg);
769 return -1;
770 }
771
772 return 0;
773 }
774
775
776 int
777 parse_opt_block(char ch, char *arg)
778 {
779 char buf[MAX_ARG_LEN];
780 char *argv[MAX_ARG_COUNT];
781 int argc;
782 char *p;
783 struct csys_block *block;
784 int i;
785
786 if ( num_blocks > MAX_NUM_BLOCKS ) {
787 errmsg(0,"too many blocks specified");
788 return -1;
789 }
790
791 block = &blocks[num_blocks];
792
793 /* setup default field values */
794 block->need_file = 1;
795 block->padc = 0xFF;
796
797 switch (ch) {
798 case 'b':
799 if (boot_block) {
800 errmsg(0,"only one boot block allowed");
801 break;
802 }
803 block->type = BLOCK_TYPE_BOOT;
804 boot_block = block;
805 break;
806 case 'c':
807 if (conf_block) {
808 errmsg(0,"only one config block allowed");
809 break;
810 }
811 block->type = BLOCK_TYPE_CONF;
812 conf_block = block;
813 break;
814 case 'w':
815 if (webp_block) {
816 errmsg(0,"only one web block allowed");
817 break;
818 }
819 block->type = BLOCK_TYPE_WEBP;
820 block->size_hdr = sizeof(struct csys_header);
821 block->size_csum = 1;
822 block->need_file = 0;
823 webp_block = block;
824 break;
825 case 'r':
826 if (code_block) {
827 errmsg(0,"only one runtime block allowed");
828 break;
829 }
830 block->type = BLOCK_TYPE_CODE;
831 block->size_hdr = sizeof(struct csys_header);
832 block->size_csum = 2;
833 code_block = block;
834 break;
835 case 'x':
836 block->type = BLOCK_TYPE_XTRA;
837 break;
838 default:
839 errmsg(0,"unknown block type \"%c\"", ch);
840 return -1;
841 }
842
843 argc = parse_arg(arg, buf, argv);
844
845 i = 0;
846 p = argv[i++];
847 if (!is_empty_arg(p)) {
848 block->file_name = strdup(p);
849 if (block->file_name == NULL) {
850 errmsg(0,"not enough memory");
851 return -1;
852 }
853 } else if (block->need_file){
854 errmsg(0,"no file specified in %s", arg);
855 return -1;
856 }
857
858 if (block->size_hdr) {
859 p = argv[i++];
860 if (!is_empty_arg(p)) {
861 if (str2u32(p, &block->addr) != 0) {
862 errmsg(0,"invalid start address in %s", arg);
863 return -1;
864 }
865 block->addr_set = 1;
866 }
867 }
868
869 p = argv[i++];
870 if (!is_empty_arg(p)) {
871 if (str2u32(p, &block->size) != 0) {
872 errmsg(0,"invalid block size in %s", arg);
873 return -1;
874 }
875 block->size_set = 1;
876 }
877
878 p = argv[i++];
879 if (!is_empty_arg(p) && (str2u8(p, &block->padc) != 0)) {
880 errmsg(0,"invalid paddig character in %s", arg);
881 return -1;
882 }
883
884 num_blocks++;
885
886 return 0;
887 }
888
889
890 int
891 process_blocks(void)
892 {
893 struct csys_block *block;
894 uint32_t size_avail;
895 int i;
896 int res;
897
898 /* collecting stats */
899 for (i = 0; i < num_blocks; i++) {
900 block = &blocks[i];
901 res = block_stat_file(block);
902 if (res)
903 return res;
904 }
905
906 size_avail = board->flash_size;
907
908 /* bootloader */
909 block = boot_block;
910 if (block) {
911 if (block->size_set) {
912 board->boot_size= block->size;
913 } else {
914 block->size = board->boot_size;
915 }
916 if (block->size > size_avail) {
917 errmsg(0,"boot block is too big");
918 return -1;
919 }
920 }
921 size_avail -= board->boot_size;
922
923 /* configuration data */
924 block = conf_block;
925 if (block) {
926 if (block->size_set) {
927 board->conf_size = block->size;
928 } else {
929 block->size = board->conf_size;
930 }
931 if (block->size > size_avail) {
932 errmsg(0,"config block is too big");
933 return -1;
934 }
935
936 }
937 size_avail -= board->conf_size;
938
939 /* webpages */
940 block = webp_block;
941 if (block) {
942 if (block->size_set == 0)
943 block->size = board->webp_size;
944 board->webp_size = block->size;
945 if (block->size > board->webp_size_max) {
946 errmsg(0,"webpages block is too big");
947 return -1;
948 }
949 memcpy(block->sig, board->sig_webp, 4);
950 if (block->addr_set == 0)
951 block->addr = board->addr_webp;
952 }
953 size_avail -= board->webp_size;
954
955 /* runtime code */
956 block = code_block;
957 if (block) {
958 if (block->size_set == 0) {
959 block->size =ALIGN(block->file_size+ block->size_hdr +
960 block->size_csum, 0x10000);
961 }
962 board->code_size = block->size;
963 if (board->code_size > size_avail) {
964 errmsg(0,"code block is too big");
965 if (size_check)
966 return -1;
967 }
968 memcpy(code_block->sig, SIG_CSYS, 4);
969 if (code_block->addr_set == 0)
970 code_block->addr = board->addr_code;
971 }
972 size_avail -= board->code_size;
973
974 for (i = 0; i < num_blocks; i++) {
975 block = &blocks[i];
976
977 if (block->type != BLOCK_TYPE_XTRA)
978 continue;
979
980 if (block->size_set == 0)
981 block->size = ALIGN(block->file_size, 0x10000);
982
983 if (block->size > size_avail) {
984 errmsg(0,"no space for file %s",
985 block->file_name);
986 if (size_check)
987 return -1;
988 }
989
990 size_avail -= block->size;
991 }
992
993 for (i = 0; i < num_blocks; i++) {
994 block = &blocks[i];
995
996 block->size_avail = block->size - block->size_hdr -
997 block->size_csum;
998
999 if (block->size_avail < block->file_size) {
1000 errmsg(0,"file %s is too big, size=%d, avail=%d",
1001 block->file_name, block->file_size,
1002 block->size_avail);
1003 res = -1;
1004 break;
1005 }
1006 }
1007
1008 return res;
1009 }
1010
1011
1012 int
1013 main(int argc, char *argv[])
1014 {
1015 int optinvalid = 0; /* flag for invalid option */
1016 int c;
1017 int res = EXIT_FAILURE;
1018
1019 FILE *outfile;
1020
1021 progname=basename(argv[0]);
1022
1023 opterr = 0; /* could not print standard getopt error messages */
1024 while ( 1 ) {
1025 optinvalid = 0;
1026
1027 c = getopt(argc, argv, "b:c:dB:hr:vw:x:");
1028 if (c == -1)
1029 break;
1030
1031 switch (c) {
1032 case 'b':
1033 case 'c':
1034 case 'r':
1035 case 'x':
1036 optinvalid = parse_opt_block(c,optarg);
1037 break;
1038 case 'w':
1039 if (optarg != NULL && *optarg == '-') {
1040 /* rollback */
1041 optind--;
1042 optarg = NULL;
1043 }
1044 optinvalid = parse_opt_block(c,optarg);
1045 break;
1046 case 'd':
1047 size_check = 0;
1048 break;
1049 case 'B':
1050 optinvalid = parse_opt_board(c,optarg);
1051 break;
1052 case 'v':
1053 verblevel++;
1054 break;
1055 case 'h':
1056 usage(EXIT_SUCCESS);
1057 break;
1058 default:
1059 optinvalid = 1;
1060 break;
1061 }
1062 if (optinvalid != 0 ){
1063 errmsg(0, "invalid option: -%c", optopt);
1064 goto out;
1065 }
1066 }
1067
1068 if (optind == argc) {
1069 errmsg(0, "no output file specified");
1070 goto out;
1071 }
1072
1073 ofname = argv[optind++];
1074
1075 if (optind < argc) {
1076 errmsg(0, "invalid option: %s", argv[optind]);
1077 goto out;
1078 }
1079
1080
1081 if (board == NULL) {
1082 errmsg(0, "no board specified");
1083 goto out;
1084 }
1085
1086 if (process_blocks() != 0) {
1087 goto out;
1088 }
1089
1090 outfile = fopen(ofname, "w");
1091 if (outfile == NULL) {
1092 errmsg(1, "could not open \"%s\" for writing", ofname);
1093 goto out;
1094 }
1095
1096 if (write_out_blocks(outfile) != 0)
1097 goto out_flush;
1098
1099 dbgmsg(1,"Image file %s completed.", ofname);
1100
1101 res = EXIT_SUCCESS;
1102
1103 out_flush:
1104 fflush(outfile);
1105 fclose(outfile);
1106 if (res != EXIT_SUCCESS) {
1107 unlink(ofname);
1108 }
1109 out:
1110 return res;
1111 }