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firmware-utils: fix -Wmaybe-uninitialized warnings
[openwrt/staging/zorun.git] / tools / firmware-utils / src / mkcasfw.c
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
52 struct csum_state{
53 int size;
54 uint32_t val;
55 uint32_t tmp;
56 int odd;
57 };
58
59 struct 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
69 struct 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
80 struct 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
91 union file_hdr {
92 struct fwhdr_cas cas;
93 struct fwhdr_nfs nfs;
94 };
95
96 struct 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 */
174 char *progname;
175 char *ofname;
176 int verblevel;
177 int keep_invalid_images;
178 int invalid_causes_error = 1;
179 union file_hdr header;
180
181 struct image_desc kernel_image;
182 struct image_desc fs_image;
183
184 struct 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
200 static 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 ": %s\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
279 void
280 usage(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
310 static 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 */
327 int
328 str2u32(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
344 int
345 str2u16(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
360 int
361 str2u8(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
376 int
377 parse_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
424 int
425 required_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
435 int
436 is_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
446 void
447 csum8_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
455 uint16_t
456 csum8_get(struct csum_state *css)
457 {
458 uint8_t t;
459
460 t = css->val;
461 return ~t + 1;
462 }
463
464
465 void
466 csum16_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
490 uint16_t
491 csum16_get(struct csum_state *css)
492 {
493 char pad = 0;
494
495 csum16_update(&pad, 1, css);
496 return ~css->val + 1;
497 }
498
499 void
500 csum32_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
510 uint32_t
511 csum32_get(struct csum_state *css)
512 {
513 return css->val;
514 }
515
516
517 void
518 csum_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
526 void
527 csum_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
543 uint32_t
544 csum_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 break;
558 default:
559 ERR("invalid checksum size\n");
560 return 0;
561 }
562
563 return ret;
564 }
565
566
567 /*
568 * routines to write data to the output file
569 */
570 int
571 write_out_data(FILE *outfile, uint8_t *data, size_t len,
572 struct csum_state *css)
573 {
574 errno = 0;
575
576 fwrite(data, len, 1, outfile);
577 if (errno) {
578 ERRS("unable to write output file");
579 return ERR_FATAL;
580 }
581
582 if (css) {
583 csum_update(data, len, css);
584 }
585
586 return 0;
587 }
588
589
590 int
591 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
592 struct csum_state *css)
593 {
594 uint8_t buf[512];
595 size_t buflen = sizeof(buf);
596 int err;
597
598 memset(buf, padc, buflen);
599 while (len > 0) {
600 if (len < buflen)
601 buflen = len;
602
603 err = write_out_data(outfile, buf, buflen, css);
604 if (err)
605 return err;
606
607 len -= buflen;
608 }
609
610 return 0;
611 }
612
613
614 int
615 image_stat_file(struct image_desc *desc)
616 {
617 struct stat st;
618 int err;
619
620 if (desc->file_name == NULL)
621 return 0;
622
623 err = stat(desc->file_name, &st);
624 if (err){
625 ERRS("stat failed on %s", desc->file_name);
626 return ERR_FATAL;
627 }
628
629 if (st.st_size > desc->out_size) {
630 WARN("file %s is too big, will be truncated to %d bytes\n",
631 desc->file_name, desc->out_size);
632 desc->file_size = desc->out_size;
633 return ERR_INVALID_IMAGE;
634 }
635
636
637 desc->file_size = st.st_size;
638 desc->out_size = align(desc->file_size,1);
639 return 0;
640 }
641
642
643 int
644 image_writeout_file(FILE *outfile, struct image_desc *desc,
645 struct csum_state *css)
646 {
647 char buf[FILE_BUF_LEN];
648 size_t buflen = sizeof(buf);
649 FILE *f;
650 size_t len;
651 int res;
652
653 if (desc->file_name == NULL)
654 return 0;
655
656 if (desc->file_size == 0)
657 return 0;
658
659 errno = 0;
660 f = fopen(desc->file_name,"r");
661 if (errno) {
662 ERRS("unable to open file: %s", desc->file_name);
663 return ERR_FATAL;
664 }
665
666 len = desc->file_size;
667 while (len > 0) {
668 if (len < buflen)
669 buflen = len;
670
671 /* read data from source file */
672 errno = 0;
673 fread(buf, buflen, 1, f);
674 if (errno != 0) {
675 ERRS("unable to read from file: %s", desc->file_name);
676 res = ERR_FATAL;
677 break;
678 }
679
680 res = write_out_data(outfile, buf, buflen, css);
681 if (res)
682 break;
683
684 len -= buflen;
685 }
686
687 fclose(f);
688 return res;
689 }
690
691
692 int
693 image_writeout(FILE *outfile, struct image_desc *desc)
694 {
695 int res;
696 struct csum_state css;
697 size_t padlen;
698
699 res = 0;
700
701 if (!desc->file_size)
702 return 0;
703
704 DBG(2, "writing image, file=%s, file_size=%d\n",
705 desc->file_name, desc->file_size);
706
707 csum_init(&css, CSUM_TYPE_32);
708
709 res = image_writeout_file(outfile, desc, &css);
710 if (res)
711 return res;
712
713 /* write padding data if neccesary */
714 padlen = desc->out_size - desc->file_size;
715 DBG(1,"padding desc, length=%zu", padlen);
716 res = write_out_padding(outfile, padlen, desc->padc, &css);
717
718 desc->csum = csum_get(&css);
719
720 return res;
721 }
722
723
724 int
725 write_out_header(FILE *outfile)
726 {
727 union file_hdr tmp;
728 int res;
729
730 errno = 0;
731 if (fseek(outfile, 0, SEEK_SET) != 0) {
732 ERRS("fseek failed on output file");
733 return ERR_FATAL;
734 }
735
736 switch (board->header_type) {
737 case HEADER_TYPE_CAS:
738 tmp.cas.type = HOST_TO_LE32(header.cas.type);
739 tmp.cas.id = HOST_TO_LE32(header.cas.id);
740 tmp.cas.kernel_offs = HOST_TO_LE32(sizeof(tmp.cas));
741 tmp.cas.kernel_size = HOST_TO_LE32(kernel_image.out_size);
742 tmp.cas.kernel_csum = HOST_TO_LE32(kernel_image.csum);
743 tmp.cas.magic1 = HOST_TO_LE32(CAS_MAGIC1);
744 tmp.cas.magic2 = HOST_TO_LE32(CAS_MAGIC2);
745 tmp.cas.magic3 = HOST_TO_LE32(CAS_MAGIC3);
746 res = write_out_data(outfile, (uint8_t *)&tmp.cas,
747 sizeof(tmp.cas), NULL);
748 break;
749 case HEADER_TYPE_NFS:
750 tmp.nfs.type = HOST_TO_LE32(header.nfs.type);
751 tmp.nfs.id = HOST_TO_LE32(header.nfs.id);
752 tmp.nfs.kernel_offs = HOST_TO_LE32(sizeof(tmp.nfs));
753 tmp.nfs.kernel_size = HOST_TO_LE32(kernel_image.out_size);
754 tmp.nfs.kernel_csum = HOST_TO_LE32(kernel_image.csum);
755 tmp.nfs.fs_offs = HOST_TO_LE32(sizeof(tmp.nfs)
756 + kernel_image.out_size);
757 tmp.nfs.fs_size = HOST_TO_LE32(fs_image.out_size);
758 tmp.nfs.fs_csum = HOST_TO_LE32(fs_image.csum);
759 res = write_out_data(outfile, (uint8_t *)&tmp.nfs,
760 sizeof(tmp.nfs), NULL);
761 break;
762 default:
763 ERR("invalid header type\n");
764 return -EINVAL;
765 }
766
767 return res;
768 }
769
770 int
771 write_out_images(FILE *outfile)
772 {
773 int res;
774
775 res = image_writeout(outfile, &kernel_image);
776 if (res)
777 return res;
778
779 res = image_writeout(outfile, &fs_image);
780 if (res)
781 return res;
782
783 return 0;
784 }
785
786
787 struct board_info *
788 find_board(char *model)
789 {
790 struct board_info *ret;
791 struct board_info *board;
792
793 ret = NULL;
794 for (board = boards; board->model != NULL; board++){
795 if (strcasecmp(model, board->model) == 0) {
796 ret = board;
797 break;
798 }
799 };
800
801 return ret;
802 }
803
804
805 int
806 parse_opt_board(char ch, char *arg)
807 {
808
809 DBG(1,"parsing board option: -%c %s", ch, arg);
810
811 if (board != NULL) {
812 ERR("only one board option allowed");
813 return ERR_FATAL;
814 }
815
816 if (required_arg(ch, arg))
817 return ERR_FATAL;
818
819 board = find_board(arg);
820 if (board == NULL){
821 ERR("invalid/unknown board specified: %s", arg);
822 return ERR_FATAL;
823 }
824
825 switch (board->header_type) {
826 case HEADER_TYPE_CAS:
827 header.cas.type = HEADER_TYPE_CAS;
828 header.cas.id = board->id;
829 break;
830 case HEADER_TYPE_NFS:
831 header.nfs.type = HEADER_TYPE_NFS;
832 header.nfs.id = board->id;
833 break;
834 default:
835 ERR("internal error, unknown header type\n");
836 return ERR_FATAL;
837 }
838
839 return 0;
840 }
841
842
843 int
844 parse_opt_image(char ch, char *arg)
845 {
846 char buf[MAX_ARG_LEN];
847 char *argv[MAX_ARG_COUNT];
848 char *p;
849 struct image_desc *desc = NULL;
850 int i;
851
852 switch (ch) {
853 case 'K':
854 if (kernel_image.file_name) {
855 WARN("only one kernel option allowed");
856 break;
857 }
858 desc = &kernel_image;
859 break;
860 case 'F':
861 if (fs_image.file_name) {
862 WARN("only one fs option allowed");
863 break;
864 }
865 desc = &fs_image;
866 break;
867 }
868
869 if (!desc)
870 return ERR_FATAL;
871
872 parse_arg(arg, buf, argv);
873
874 i = 0;
875 p = argv[i++];
876 if (!is_empty_arg(p)) {
877 desc->file_name = strdup(p);
878 if (desc->file_name == NULL) {
879 ERR("not enough memory");
880 return ERR_FATAL;
881 }
882 } else {
883 ERR("no file specified for option %c", ch);
884 return ERR_FATAL;
885 }
886
887 return 0;
888 }
889
890
891 int
892 process_images(void)
893 {
894 int res;
895
896 kernel_image.out_size = board->max_kernel_size;
897 kernel_image.padc = DEFAULT_PADC;
898 res = image_stat_file(&kernel_image);
899 if (res)
900 return res;
901
902 if (!fs_image.file_name)
903 return 0;
904
905 fs_image.out_size = board->max_fs_size;
906 fs_image.padc = DEFAULT_PADC;
907 res = image_stat_file(&fs_image);
908 if (res)
909 return res;
910
911 return 0;
912 }
913
914
915 int
916 main(int argc, char *argv[])
917 {
918 int optinvalid = 0; /* flag for invalid option */
919 int c;
920 int res = ERR_FATAL;
921
922 FILE *outfile;
923
924 progname=basename(argv[0]);
925
926 opterr = 0; /* could not print standard getopt error messages */
927 while ( 1 ) {
928 optinvalid = 0;
929
930 c = getopt(argc, argv, "B:C:dhK:r:vw:x:");
931 if (c == -1)
932 break;
933
934 switch (c) {
935 case 'B':
936 optinvalid = parse_opt_board(c,optarg);
937 break;
938 case 'd':
939 invalid_causes_error = 0;
940 break;
941 case 'C':
942 case 'K':
943 optinvalid = parse_opt_image(c,optarg);
944 break;
945 case 'k':
946 keep_invalid_images = 1;
947 break;
948 case 'v':
949 verblevel++;
950 break;
951 case 'h':
952 usage(EXIT_SUCCESS);
953 break;
954 default:
955 optinvalid = 1;
956 break;
957 }
958 if (optinvalid != 0 ){
959 ERR("invalid option: -%c", optopt);
960 goto out;
961 }
962 }
963
964 if (board == NULL) {
965 ERR("no board specified");
966 goto out;
967 }
968
969 if (optind == argc) {
970 ERR("no output file specified");
971 goto out;
972 }
973
974 ofname = argv[optind++];
975
976 if (optind < argc) {
977 ERR("invalid option: %s", argv[optind]);
978 goto out;
979 }
980
981 res = process_images();
982 if (res == ERR_FATAL)
983 goto out;
984
985 if (res == ERR_INVALID_IMAGE) {
986 if (invalid_causes_error)
987 res = ERR_FATAL;
988
989 if (keep_invalid_images == 0) {
990 WARN("generation of invalid images \"%s\" disabled", ofname);
991 goto out;
992 }
993
994 WARN("generating invalid image: \"%s\"", ofname);
995 }
996
997 outfile = fopen(ofname, "w");
998 if (outfile == NULL) {
999 ERRS("could not open \"%s\" for writing", ofname);
1000 res = ERR_FATAL;
1001 goto out;
1002 }
1003
1004 if (write_out_header(outfile) != 0) {
1005 res = ERR_FATAL;
1006 goto out_flush;
1007 }
1008
1009 if (write_out_images(outfile) != 0) {
1010 res = ERR_FATAL;
1011 goto out_flush;
1012 }
1013
1014 if (write_out_header(outfile) != 0) {
1015 res = ERR_FATAL;
1016 goto out_flush;
1017 }
1018
1019 DBG(1,"Image file %s completed.", ofname);
1020
1021 out_flush:
1022 fflush(outfile);
1023 fclose(outfile);
1024 if (res == ERR_FATAL) {
1025 unlink(ofname);
1026 }
1027 out:
1028 if (res == ERR_FATAL)
1029 return EXIT_FAILURE;
1030
1031 return EXIT_SUCCESS;
1032 }
Staging tree of Baptiste Jonglez