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0e7aa17c1b05f12cd5046383c5a1526e55d2a799
[openwrt/staging/ldir.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(void *data, uint32_t len, struct csum_state *css)
467 {
468 uint8_t *p = data;
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(void *data, uint32_t len, struct csum_state *css)
529 {
530 uint8_t *p = data;
531
532 switch (css->size) {
533 case CSUM_TYPE_8:
534 csum8_update(p,len,css);
535 break;
536 case CSUM_TYPE_16:
537 csum16_update(p,len,css);
538 break;
539 case CSUM_TYPE_32:
540 csum32_update(p,len,css);
541 break;
542 }
543 }
544
545
546 uint32_t
547 csum_get(struct csum_state *css)
548 {
549 uint32_t ret;
550
551 switch (css->size) {
552 case CSUM_TYPE_8:
553 ret = csum8_get(css);
554 break;
555 case CSUM_TYPE_16:
556 ret = csum16_get(css);
557 break;
558 case CSUM_TYPE_32:
559 ret = csum32_get(css);
560 break;
561 default:
562 ERR("invalid checksum size\n");
563 return 0;
564 }
565
566 return ret;
567 }
568
569
570 /*
571 * routines to write data to the output file
572 */
573 int
574 write_out_data(FILE *outfile, void *data, size_t len,
575 struct csum_state *css)
576 {
577 uint8_t *ptr = data;
578
579 errno = 0;
580
581 fwrite(ptr, len, 1, outfile);
582 if (errno) {
583 ERRS("unable to write output file");
584 return ERR_FATAL;
585 }
586
587 if (css) {
588 csum_update(ptr, len, css);
589 }
590
591 return 0;
592 }
593
594
595 int
596 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
597 struct csum_state *css)
598 {
599 uint8_t buf[512];
600 size_t buflen = sizeof(buf);
601 int err;
602
603 memset(buf, padc, buflen);
604 while (len > 0) {
605 if (len < buflen)
606 buflen = len;
607
608 err = write_out_data(outfile, buf, buflen, css);
609 if (err)
610 return err;
611
612 len -= buflen;
613 }
614
615 return 0;
616 }
617
618
619 int
620 image_stat_file(struct image_desc *desc)
621 {
622 struct stat st;
623 int err;
624
625 if (desc->file_name == NULL)
626 return 0;
627
628 err = stat(desc->file_name, &st);
629 if (err){
630 ERRS("stat failed on %s", desc->file_name);
631 return ERR_FATAL;
632 }
633
634 if (st.st_size > desc->out_size) {
635 WARN("file %s is too big, will be truncated to %d bytes\n",
636 desc->file_name, desc->out_size);
637 desc->file_size = desc->out_size;
638 return ERR_INVALID_IMAGE;
639 }
640
641
642 desc->file_size = st.st_size;
643 desc->out_size = align(desc->file_size,1);
644 return 0;
645 }
646
647
648 int
649 image_writeout_file(FILE *outfile, struct image_desc *desc,
650 struct csum_state *css)
651 {
652 char buf[FILE_BUF_LEN];
653 size_t buflen = sizeof(buf);
654 FILE *f;
655 size_t len;
656 int res;
657
658 if (desc->file_name == NULL)
659 return 0;
660
661 if (desc->file_size == 0)
662 return 0;
663
664 errno = 0;
665 f = fopen(desc->file_name,"r");
666 if (errno) {
667 ERRS("unable to open file: %s", desc->file_name);
668 return ERR_FATAL;
669 }
670
671 len = desc->file_size;
672 while (len > 0) {
673 if (len < buflen)
674 buflen = len;
675
676 /* read data from source file */
677 errno = 0;
678 fread(buf, buflen, 1, f);
679 if (errno != 0) {
680 ERRS("unable to read from file: %s", desc->file_name);
681 res = ERR_FATAL;
682 break;
683 }
684
685 res = write_out_data(outfile, buf, buflen, css);
686 if (res)
687 break;
688
689 len -= buflen;
690 }
691
692 fclose(f);
693 return res;
694 }
695
696
697 int
698 image_writeout(FILE *outfile, struct image_desc *desc)
699 {
700 int res;
701 struct csum_state css;
702 size_t padlen;
703
704 res = 0;
705
706 if (!desc->file_size)
707 return 0;
708
709 DBG(2, "writing image, file=%s, file_size=%d\n",
710 desc->file_name, desc->file_size);
711
712 csum_init(&css, CSUM_TYPE_32);
713
714 res = image_writeout_file(outfile, desc, &css);
715 if (res)
716 return res;
717
718 /* write padding data if neccesary */
719 padlen = desc->out_size - desc->file_size;
720 DBG(1,"padding desc, length=%zu", padlen);
721 res = write_out_padding(outfile, padlen, desc->padc, &css);
722
723 desc->csum = csum_get(&css);
724
725 return res;
726 }
727
728
729 int
730 write_out_header(FILE *outfile)
731 {
732 union file_hdr tmp;
733 int res;
734
735 errno = 0;
736 if (fseek(outfile, 0, SEEK_SET) != 0) {
737 ERRS("fseek failed on output file");
738 return ERR_FATAL;
739 }
740
741 switch (board->header_type) {
742 case HEADER_TYPE_CAS:
743 tmp.cas.type = HOST_TO_LE32(header.cas.type);
744 tmp.cas.id = HOST_TO_LE32(header.cas.id);
745 tmp.cas.kernel_offs = HOST_TO_LE32(sizeof(tmp.cas));
746 tmp.cas.kernel_size = HOST_TO_LE32(kernel_image.out_size);
747 tmp.cas.kernel_csum = HOST_TO_LE32(kernel_image.csum);
748 tmp.cas.magic1 = HOST_TO_LE32(CAS_MAGIC1);
749 tmp.cas.magic2 = HOST_TO_LE32(CAS_MAGIC2);
750 tmp.cas.magic3 = HOST_TO_LE32(CAS_MAGIC3);
751 res = write_out_data(outfile, (uint8_t *)&tmp.cas,
752 sizeof(tmp.cas), NULL);
753 break;
754 case HEADER_TYPE_NFS:
755 tmp.nfs.type = HOST_TO_LE32(header.nfs.type);
756 tmp.nfs.id = HOST_TO_LE32(header.nfs.id);
757 tmp.nfs.kernel_offs = HOST_TO_LE32(sizeof(tmp.nfs));
758 tmp.nfs.kernel_size = HOST_TO_LE32(kernel_image.out_size);
759 tmp.nfs.kernel_csum = HOST_TO_LE32(kernel_image.csum);
760 tmp.nfs.fs_offs = HOST_TO_LE32(sizeof(tmp.nfs)
761 + kernel_image.out_size);
762 tmp.nfs.fs_size = HOST_TO_LE32(fs_image.out_size);
763 tmp.nfs.fs_csum = HOST_TO_LE32(fs_image.csum);
764 res = write_out_data(outfile, (uint8_t *)&tmp.nfs,
765 sizeof(tmp.nfs), NULL);
766 break;
767 default:
768 ERR("invalid header type\n");
769 return -EINVAL;
770 }
771
772 return res;
773 }
774
775 int
776 write_out_images(FILE *outfile)
777 {
778 int res;
779
780 res = image_writeout(outfile, &kernel_image);
781 if (res)
782 return res;
783
784 res = image_writeout(outfile, &fs_image);
785 if (res)
786 return res;
787
788 return 0;
789 }
790
791
792 struct board_info *
793 find_board(char *model)
794 {
795 struct board_info *ret;
796 struct board_info *board;
797
798 ret = NULL;
799 for (board = boards; board->model != NULL; board++){
800 if (strcasecmp(model, board->model) == 0) {
801 ret = board;
802 break;
803 }
804 };
805
806 return ret;
807 }
808
809
810 int
811 parse_opt_board(char ch, char *arg)
812 {
813
814 DBG(1,"parsing board option: -%c %s", ch, arg);
815
816 if (board != NULL) {
817 ERR("only one board option allowed");
818 return ERR_FATAL;
819 }
820
821 if (required_arg(ch, arg))
822 return ERR_FATAL;
823
824 board = find_board(arg);
825 if (board == NULL){
826 ERR("invalid/unknown board specified: %s", arg);
827 return ERR_FATAL;
828 }
829
830 switch (board->header_type) {
831 case HEADER_TYPE_CAS:
832 header.cas.type = HEADER_TYPE_CAS;
833 header.cas.id = board->id;
834 break;
835 case HEADER_TYPE_NFS:
836 header.nfs.type = HEADER_TYPE_NFS;
837 header.nfs.id = board->id;
838 break;
839 default:
840 ERR("internal error, unknown header type\n");
841 return ERR_FATAL;
842 }
843
844 return 0;
845 }
846
847
848 int
849 parse_opt_image(char ch, char *arg)
850 {
851 char buf[MAX_ARG_LEN];
852 char *argv[MAX_ARG_COUNT];
853 char *p;
854 struct image_desc *desc = NULL;
855 int i;
856
857 switch (ch) {
858 case 'K':
859 if (kernel_image.file_name) {
860 WARN("only one kernel option allowed");
861 break;
862 }
863 desc = &kernel_image;
864 break;
865 case 'F':
866 if (fs_image.file_name) {
867 WARN("only one fs option allowed");
868 break;
869 }
870 desc = &fs_image;
871 break;
872 }
873
874 if (!desc)
875 return ERR_FATAL;
876
877 parse_arg(arg, buf, argv);
878
879 i = 0;
880 p = argv[i++];
881 if (!is_empty_arg(p)) {
882 desc->file_name = strdup(p);
883 if (desc->file_name == NULL) {
884 ERR("not enough memory");
885 return ERR_FATAL;
886 }
887 } else {
888 ERR("no file specified for option %c", ch);
889 return ERR_FATAL;
890 }
891
892 return 0;
893 }
894
895
896 int
897 process_images(void)
898 {
899 int res;
900
901 kernel_image.out_size = board->max_kernel_size;
902 kernel_image.padc = DEFAULT_PADC;
903 res = image_stat_file(&kernel_image);
904 if (res)
905 return res;
906
907 if (!fs_image.file_name)
908 return 0;
909
910 fs_image.out_size = board->max_fs_size;
911 fs_image.padc = DEFAULT_PADC;
912 res = image_stat_file(&fs_image);
913 if (res)
914 return res;
915
916 return 0;
917 }
918
919
920 int
921 main(int argc, char *argv[])
922 {
923 int optinvalid = 0; /* flag for invalid option */
924 int c;
925 int res = ERR_FATAL;
926
927 FILE *outfile;
928
929 progname=basename(argv[0]);
930
931 opterr = 0; /* could not print standard getopt error messages */
932 while ( 1 ) {
933 optinvalid = 0;
934
935 c = getopt(argc, argv, "B:C:dhK:r:vw:x:");
936 if (c == -1)
937 break;
938
939 switch (c) {
940 case 'B':
941 optinvalid = parse_opt_board(c,optarg);
942 break;
943 case 'd':
944 invalid_causes_error = 0;
945 break;
946 case 'C':
947 case 'K':
948 optinvalid = parse_opt_image(c,optarg);
949 break;
950 case 'k':
951 keep_invalid_images = 1;
952 break;
953 case 'v':
954 verblevel++;
955 break;
956 case 'h':
957 usage(EXIT_SUCCESS);
958 break;
959 default:
960 optinvalid = 1;
961 break;
962 }
963 if (optinvalid != 0 ){
964 ERR("invalid option: -%c", optopt);
965 goto out;
966 }
967 }
968
969 if (board == NULL) {
970 ERR("no board specified");
971 goto out;
972 }
973
974 if (optind == argc) {
975 ERR("no output file specified");
976 goto out;
977 }
978
979 ofname = argv[optind++];
980
981 if (optind < argc) {
982 ERR("invalid option: %s", argv[optind]);
983 goto out;
984 }
985
986 res = process_images();
987 if (res == ERR_FATAL)
988 goto out;
989
990 if (res == ERR_INVALID_IMAGE) {
991 if (invalid_causes_error)
992 res = ERR_FATAL;
993
994 if (keep_invalid_images == 0) {
995 WARN("generation of invalid images \"%s\" disabled", ofname);
996 goto out;
997 }
998
999 WARN("generating invalid image: \"%s\"", ofname);
1000 }
1001
1002 outfile = fopen(ofname, "w");
1003 if (outfile == NULL) {
1004 ERRS("could not open \"%s\" for writing", ofname);
1005 res = ERR_FATAL;
1006 goto out;
1007 }
1008
1009 if (write_out_header(outfile) != 0) {
1010 res = ERR_FATAL;
1011 goto out_flush;
1012 }
1013
1014 if (write_out_images(outfile) != 0) {
1015 res = ERR_FATAL;
1016 goto out_flush;
1017 }
1018
1019 if (write_out_header(outfile) != 0) {
1020 res = ERR_FATAL;
1021 goto out_flush;
1022 }
1023
1024 DBG(1,"Image file %s completed.", ofname);
1025
1026 out_flush:
1027 fflush(outfile);
1028 fclose(outfile);
1029 if (res == ERR_FATAL) {
1030 unlink(ofname);
1031 }
1032 out:
1033 if (res == ERR_FATAL)
1034 return EXIT_FAILURE;
1035
1036 return EXIT_SUCCESS;
1037 }
Kevin D-Bs staging tree