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 <sys/endian.h> /* for __BYTE_ORDER */
23 #if defined(__CYGWIN__)
24 # include <byteswap.h>
25 #endif
26
27 #include "freebsd.h"
28
29 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
30 # define HOST_TO_LE16(x) (x)
31 # define HOST_TO_LE32(x) (x)
32 # define LE16_TO_HOST(x) (x)
33 # define LE32_TO_HOST(x) (x)
34 #else
35 # define HOST_TO_LE16(x) bswap_16(x)
36 # define HOST_TO_LE32(x) bswap_32(x)
37 # define LE16_TO_HOST(x) bswap_16(x)
38 # define LE32_TO_HOST(x) bswap_32(x)
39 #endif
40
41 #define MAX_NUM_BLOCKS 2
42 #define MAX_ARG_COUNT 32
43 #define MAX_ARG_LEN 1024
44 #define FILE_BUF_LEN (16*1024)
45 #define DEFAULT_PADC 0xFF
46
47 #define DEFAULT_BLOCK_ALIGN 0x10000U
48
49 #define CSUM_TYPE_NONE 0
50 #define CSUM_TYPE_8 1
51 #define CSUM_TYPE_16 2
52 #define CSUM_TYPE_32 3
53
54 struct csum_state{
55 int size;
56 uint32_t val;
57 uint32_t tmp;
58 int odd;
59 };
60
61 struct image_desc {
62 int need_file;
63 char *file_name; /* name of the file */
64 uint32_t file_size; /* length of the file */
65
66 uint32_t csum;
67 uint32_t out_size;
68 uint8_t padc;
69 };
70
71 struct fwhdr_nfs {
72 uint32_t type;
73 uint32_t kernel_offs;
74 uint32_t kernel_size;
75 uint32_t fs_offs;
76 uint32_t fs_size;
77 uint32_t kernel_csum;
78 uint32_t fs_csum;
79 uint32_t id;
80 } __attribute__ ((packed));
81
82 struct fwhdr_cas {
83 uint32_t type;
84 uint32_t kernel_offs;
85 uint32_t kernel_size;
86 uint32_t id;
87 uint32_t kernel_csum;
88 uint32_t magic1;
89 uint32_t magic2;
90 uint32_t magic3;
91 } __attribute__ ((packed));
92
93 union file_hdr {
94 struct fwhdr_cas cas;
95 struct fwhdr_nfs nfs;
96 };
97
98 struct board_info {
99 char *model;
100 char *name;
101 int header_type;
102 uint32_t id;
103 uint32_t max_kernel_size;
104 uint32_t max_fs_size;
105 };
106
107 #define HEADER_TYPE_NFS 0
108 #define HEADER_TYPE_CAS 1
109
110 #define KERNEL_SIZE_CAS (61*64*1024)
111 #define KERNEL_SIZE_NFS (52*64*1024)
112 #define FS_SIZE_NFS (9*64*1024)
113
114 #define CAS_MAGIC1 0x5241AA55
115 #define CAS_MAGIC2 0x524F4741
116 #define CAS_MAGIC3 0xD3F22D4E
117
118 /* Cellvision/SparkLAN products */
119 #define MODEL_CAS_630 0x01000000
120 #define MODEL_CAS_630W 0x01000000
121 #define MODEL_CAS_670 0x01000000
122 #define MODEL_CAS_670W 0x01000000
123 #define MODEL_NFS_101U 0x01000000
124 #define MODEL_NFS_101WU 0x01000003
125 #define MODEL_NFS_202U 0x01000001
126 #define MODEL_NFS_202WU 0x01000002
127
128 /* Corega products */
129 #define MODEL_CG_NSADP 0x01000020 /* NFS-101U */
130 #define MODEL_CG_NSADPCR 0x01000021 /* NFS-202U */
131
132 /* D-Link products */
133 #define MODEL_DCS_950 0x01010102 /* CAS-630 */
134 #define MODEL_DCS_950G 0x01020102 /* CAS-630W */
135 #define MODEL_DNS_120 0x01000030 /* NFS-101U */
136 #define MODEL_DNS_G120 0x01000032 /* NFS-101WU */
137
138 /* Digitus products */
139 #define MODEL_DN_16021 MODEL_CAS_630
140 #define MODEL_DN_16022 MODEL_CAS_630W
141 #define MODEL_DN_16030 MODEL_CAS_670
142 #define MODEL_DN_16031 MODEL_CAS_670W
143 #define MODEL_DN_7013 MODEL_NFS_101U
144
145 /* Lobos products */
146 #define MODEL_LB_SS01TXU 0x00000000
147
148 /* Neu-Fusion products */
149
150 /* Ovislink products */
151 #define MODEL_MU_5000FS 0x01000040 /* NFS-101U */
152 #define MODEL_WL_5420CAM 0x020B0101 /* CAS-630W? */
153 #define MODEL_WL_5460CAM 0x020B0001 /* CAS-670W */
154
155 /* Repotec products */
156
157 /* Sitecom products */
158 #define MODEL_LN_350 /* unknown */
159 #define MODEL_LN_403 0x01020402
160 #define MODEL_WL_401 0x01010402
161
162 /* Surecom products */
163 #define MODEL_EP_4001_MM 0x01030A02 /* CAS-630 */
164 #define MODEL_EP_4002_MM 0x01020A02 /* CAS-630W */
165 #define MODEL_EP_4011_MM 0x01010A02 /* CAS-670 */
166 #define MODEL_EP_4012_MM 0x01000A02 /* CAS-670W */
167 #define MODEL_EP_9812_U /* unknown */
168
169 /* Trendnet products */
170 #define MODEL_TN_U100 0x01000081 /* NFS-101U */
171 #define MODEL_TN_U200 0x01000082 /* NFS-202U */
172
173 /*
174 * Globals
175 */
176 char *progname;
177 char *ofname;
178 int verblevel;
179 int keep_invalid_images;
180 int invalid_causes_error = 1;
181 union file_hdr header;
182
183 struct image_desc kernel_image;
184 struct image_desc fs_image;
185
186 struct board_info *board = NULL;
187
188 #define BOARD(m, n, i, ks, fs, h) { \
189 .model = (m), \
190 .name = (n), \
191 .id = (i), \
192 .max_kernel_size = (ks), \
193 .max_fs_size = (fs), \
194 .header_type = (h) \
195 }
196
197 #define BOARD_CAS(m,n,i) \
198 BOARD(m, n, i, KERNEL_SIZE_CAS, 0, HEADER_TYPE_CAS)
199 #define BOARD_NFS(m,n,i) \
200 BOARD(m, n, i, KERNEL_SIZE_NFS, FS_SIZE_NFS, HEADER_TYPE_NFS)
201
202 static struct board_info boards[] = {
203 /* Cellvision/Sparklan products */
204 BOARD_CAS("CAS-630", "Cellvision CAS-630", MODEL_CAS_630),
205 BOARD_CAS("CAS-630W", "Cellvision CAS-630W", MODEL_CAS_630W),
206 BOARD_CAS("CAS-670", "Cellvision CAS-670", MODEL_CAS_670),
207 BOARD_CAS("CAS-670W", "Cellvision CAS-670W", MODEL_CAS_670W),
208 BOARD_NFS("NFS-101U", "Cellvision NFS-101U", MODEL_NFS_101U),
209 BOARD_NFS("NFS-101WU", "Cellvision NFS-101WU", MODEL_NFS_101WU),
210 BOARD_NFS("NFS-202U", "Cellvision NFS-202U", MODEL_NFS_202U),
211 BOARD_NFS("NFS-202WU", "Cellvision NFS-202WU", MODEL_NFS_202WU),
212
213 /* Corega products */
214 BOARD_NFS("CG-NSADP", "Corega CG-NSADP", MODEL_CG_NSADP),
215 BOARD_NFS("CG-NSADPCR", "Corega CG-NSADPCR", MODEL_CG_NSADPCR),
216
217 /* D-Link products */
218 BOARD_CAS("DCS-950", "D-Link DCS-950", MODEL_DCS_950),
219 BOARD_CAS("DCS-950G", "D-Link DCS-950G", MODEL_DCS_950G),
220 BOARD_NFS("DNS-120", "D-Link DNS-120", MODEL_DNS_120),
221 BOARD_NFS("DNS-G120", "D-Link DNS-G120", MODEL_DNS_G120),
222
223 /* Digitus products */
224 BOARD_NFS("DN-7013", "Digitus DN-7013", MODEL_DN_7013),
225
226 /* Lobos products */
227 BOARD_NFS("LB-SS01TXU", "Lobos LB-SS01TXU", MODEL_LB_SS01TXU),
228
229 /* Ovislink products */
230 BOARD_NFS("MU-5000FS", "Ovislink MU-5000FS", MODEL_MU_5000FS),
231 BOARD_CAS("WL-5420CAM", "Ovislink WL-5420 CAM", MODEL_WL_5420CAM),
232 BOARD_CAS("WL-5460CAM", "Ovislink WL-5460 CAM", MODEL_WL_5460CAM),
233
234 /* Sitecom products */
235 BOARD_CAS("LN-403", "Sitecom LN-403", MODEL_LN_403),
236 BOARD_CAS("WL-401", "Sitecom WL-401", MODEL_WL_401),
237
238 /* Surecom products */
239 BOARD_CAS("EP-4001-MM", "Surecom EP-4001-MM", MODEL_EP_4001_MM),
240 BOARD_CAS("EP-4002-MM", "Surecom EP-4002-MM", MODEL_EP_4002_MM),
241 BOARD_CAS("EP-4011-MM", "Surecom EP-4011-MM", MODEL_EP_4011_MM),
242 BOARD_CAS("EP-4012-MM", "Surecom EP-4012-MM", MODEL_EP_4012_MM),
243
244 /* TrendNET products */
245 BOARD_NFS("TN-U100", "TrendNET TN-U100", MODEL_TN_U100),
246 BOARD_NFS("TN-U200", "TrendNET TN-U200", MODEL_TN_U200),
247
248 {.model = NULL}
249 };
250
251 /*
252 * Message macros
253 */
254 #define ERR(fmt, ...) do { \
255 fflush(0); \
256 fprintf(stderr, "[%s] *** error: " fmt "\n", \
257 progname, ## __VA_ARGS__ ); \
258 } while (0)
259
260 #define ERRS(fmt, ...) do { \
261 int save = errno; \
262 fflush(0); \
263 fprintf(stderr, "[%s] *** error: " fmt "\n", \
264 progname, ## __VA_ARGS__, strerror(save)); \
265 } while (0)
266
267 #define WARN(fmt, ...) do { \
268 fprintf(stderr, "[%s] *** warning: " fmt "\n", \
269 progname, ## __VA_ARGS__ ); \
270 } while (0)
271
272 #define DBG(lev, fmt, ...) do { \
273 if (verblevel < lev) \
274 break;\
275 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
276 } while (0)
277
278 #define ERR_FATAL -1
279 #define ERR_INVALID_IMAGE -2
280
281 void
usage(int status)282 usage(int status)
283 {
284 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
285 struct board_info *board;
286
287 fprintf(stream, "Usage: %s [OPTIONS...] <file>\n", progname);
288 fprintf(stream,
289 "\n"
290 "Options:\n"
291 " -B <board> create image for the board specified with <board>.\n"
292 " valid <board> values:\n"
293 );
294 for (board = boards; board->model != NULL; board++){
295 fprintf(stream,
296 " %-12s: %s\n",
297 board->model, board->name);
298 };
299 fprintf(stream,
300 " -d don't throw error on invalid images\n"
301 " -k keep invalid images\n"
302 " -K <file> add kernel to the image\n"
303 " -C <file> add custom filesystem to the image\n"
304 " -h show this screen\n"
305 "Parameters:\n"
306 " <file> write output to the file <file>\n"
307 );
308
309 exit(status);
310 }
311
align(uint32_t base,uint32_t alignment)312 static inline uint32_t align(uint32_t base, uint32_t alignment)
313 {
314 uint32_t ret;
315
316 if (alignment) {
317 ret = (base + alignment - 1);
318 ret &= ~(alignment-1);
319 } else {
320 ret = base;
321 }
322
323 return ret;
324 }
325
326 /*
327 * argument parsing
328 */
329 int
str2u32(char * arg,uint32_t * val)330 str2u32(char *arg, uint32_t *val)
331 {
332 char *err = NULL;
333 uint32_t t;
334
335 errno=0;
336 t = strtoul(arg, &err, 0);
337 if (errno || (err==arg) || ((err != NULL) && *err)) {
338 return -1;
339 }
340
341 *val = t;
342 return 0;
343 }
344
345
346 int
str2u16(char * arg,uint16_t * val)347 str2u16(char *arg, uint16_t *val)
348 {
349 char *err = NULL;
350 uint32_t t;
351
352 errno=0;
353 t = strtoul(arg, &err, 0);
354 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
355 return -1;
356 }
357
358 *val = t & 0xFFFF;
359 return 0;
360 }
361
362 int
str2u8(char * arg,uint8_t * val)363 str2u8(char *arg, uint8_t *val)
364 {
365 char *err = NULL;
366 uint32_t t;
367
368 errno=0;
369 t = strtoul(arg, &err, 0);
370 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
371 return -1;
372 }
373
374 *val = t & 0xFF;
375 return 0;
376 }
377
378 int
parse_arg(char * arg,char * buf,char * argv[])379 parse_arg(char *arg, char *buf, char *argv[])
380 {
381 int res = 0;
382 size_t argl;
383 char *tok;
384 char **ap = &buf;
385 int i;
386
387 memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
388
389 if ((arg == NULL)) {
390 /* no arguments */
391 return 0;
392 }
393
394 argl = strlen(arg);
395 if (argl == 0) {
396 /* no arguments */
397 return 0;
398 }
399
400 if (argl >= MAX_ARG_LEN) {
401 /* argument is too long */
402 argl = MAX_ARG_LEN-1;
403 }
404
405 memcpy(buf, arg, argl);
406 buf[argl] = '\0';
407
408 for (i = 0; i < MAX_ARG_COUNT; i++) {
409 tok = strsep(ap, ":");
410 if (tok == NULL) {
411 break;
412 }
413 #if 0
414 else if (tok[0] == '\0') {
415 break;
416 }
417 #endif
418 argv[i] = tok;
419 res++;
420 }
421
422 return res;
423 }
424
425
426 int
required_arg(char c,char * arg)427 required_arg(char c, char *arg)
428 {
429 if (arg == NULL || *arg != '-')
430 return 0;
431
432 ERR("option -%c requires an argument\n", c);
433 return ERR_FATAL;
434 }
435
436
437 int
is_empty_arg(char * arg)438 is_empty_arg(char *arg)
439 {
440 int ret = 1;
441 if (arg != NULL) {
442 if (*arg) ret = 0;
443 };
444 return ret;
445 }
446
447
448 void
csum8_update(uint8_t * p,uint32_t len,struct csum_state * css)449 csum8_update(uint8_t *p, uint32_t len, struct csum_state *css)
450 {
451 for ( ; len > 0; len --) {
452 css->val += *p++;
453 }
454 }
455
456
457 uint16_t
csum8_get(struct csum_state * css)458 csum8_get(struct csum_state *css)
459 {
460 uint8_t t;
461
462 t = css->val;
463 return ~t + 1;
464 }
465
466
467 void
csum16_update(uint8_t * p,uint32_t len,struct csum_state * css)468 csum16_update(uint8_t *p, uint32_t len, struct csum_state *css)
469 {
470 uint16_t t;
471
472 if (css->odd) {
473 t = css->tmp + (p[0]<<8);
474 css->val += LE16_TO_HOST(t);
475 css->odd = 0;
476 len--;
477 p++;
478 }
479
480 for ( ; len > 1; len -= 2, p +=2 ) {
481 t = p[0] + (p[1] << 8);
482 css->val += LE16_TO_HOST(t);
483 }
484
485 if (len == 1) {
486 css->tmp = p[0];
487 css->odd = 1;
488 }
489 }
490
491
492 uint16_t
csum16_get(struct csum_state * css)493 csum16_get(struct csum_state *css)
494 {
495 char pad = 0;
496
497 csum16_update(&pad, 1, css);
498 return ~css->val + 1;
499 }
500
501 void
csum32_update(uint8_t * p,uint32_t len,struct csum_state * css)502 csum32_update(uint8_t *p, uint32_t len, struct csum_state *css)
503 {
504 uint32_t t;
505
506 for ( ; len > 3; len -= 4, p += 4 ) {
507 t = p[0] + (p[1] << 8) + (p[2] << 16) + (p[3] << 24);
508 css->val ^= t;
509 }
510 }
511
512 uint32_t
csum32_get(struct csum_state * css)513 csum32_get(struct csum_state *css)
514 {
515 return css->val;
516 }
517
518
519 void
csum_init(struct csum_state * css,int size)520 csum_init(struct csum_state *css, int size)
521 {
522 css->val = 0;
523 css->tmp = 0;
524 css->odd = 0;
525 css->size = size;
526 }
527
528 void
csum_update(uint8_t * p,uint32_t len,struct csum_state * css)529 csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
530 {
531 switch (css->size) {
532 case CSUM_TYPE_8:
533 csum8_update(p,len,css);
534 break;
535 case CSUM_TYPE_16:
536 csum16_update(p,len,css);
537 break;
538 case CSUM_TYPE_32:
539 csum32_update(p,len,css);
540 break;
541 }
542 }
543
544
545 uint32_t
csum_get(struct csum_state * css)546 csum_get(struct csum_state *css)
547 {
548 uint32_t ret;
549
550 switch (css->size) {
551 case CSUM_TYPE_8:
552 ret = csum8_get(css);
553 break;
554 case CSUM_TYPE_16:
555 ret = csum16_get(css);
556 break;
557 case CSUM_TYPE_32:
558 ret = csum32_get(css);
559 }
560
561 return ret;
562 }
563
564
565 /*
566 * routines to write data to the output file
567 */
568 int
write_out_data(FILE * outfile,uint8_t * data,size_t len,struct csum_state * css)569 write_out_data(FILE *outfile, uint8_t *data, size_t len,
570 struct csum_state *css)
571 {
572 errno = 0;
573
574 fwrite(data, len, 1, outfile);
575 if (errno) {
576 ERRS("unable to write output file");
577 return ERR_FATAL;
578 }
579
580 if (css) {
581 csum_update(data, len, css);
582 }
583
584 return 0;
585 }
586
587
588 int
write_out_padding(FILE * outfile,size_t len,uint8_t padc,struct csum_state * css)589 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
590 struct csum_state *css)
591 {
592 uint8_t buf[512];
593 size_t buflen = sizeof(buf);
594 int err;
595
596 memset(buf, padc, buflen);
597 while (len > 0) {
598 if (len < buflen)
599 buflen = len;
600
601 err = write_out_data(outfile, buf, buflen, css);
602 if (err)
603 return err;
604
605 len -= buflen;
606 }
607
608 return 0;
609 }
610
611
612 int
image_stat_file(struct image_desc * desc)613 image_stat_file(struct image_desc *desc)
614 {
615 struct stat st;
616 int err;
617
618 if (desc->file_name == NULL)
619 return 0;
620
621 err = stat(desc->file_name, &st);
622 if (err){
623 ERRS("stat failed on %s", desc->file_name);
624 return ERR_FATAL;
625 }
626
627 if (st.st_size > desc->out_size) {
628 WARN("file %s is too big, will be truncated to %d bytes\n",
629 desc->file_name, desc->out_size);
630 desc->file_size = desc->out_size;
631 return ERR_INVALID_IMAGE;
632 }
633
634
635 desc->file_size = st.st_size;
636 desc->out_size = align(desc->file_size,1);
637 return 0;
638 }
639
640
641 int
image_writeout_file(FILE * outfile,struct image_desc * desc,struct csum_state * css)642 image_writeout_file(FILE *outfile, struct image_desc *desc,
643 struct csum_state *css)
644 {
645 char buf[FILE_BUF_LEN];
646 size_t buflen = sizeof(buf);
647 FILE *f;
648 size_t len;
649 int res;
650
651 if (desc->file_name == NULL)
652 return 0;
653
654 if (desc->file_size == 0)
655 return 0;
656
657 errno = 0;
658 f = fopen(desc->file_name,"r");
659 if (errno) {
660 ERRS("unable to open file: %s", desc->file_name);
661 return ERR_FATAL;
662 }
663
664 len = desc->file_size;
665 while (len > 0) {
666 if (len < buflen)
667 buflen = len;
668
669 /* read data from source file */
670 errno = 0;
671 fread(buf, buflen, 1, f);
672 if (errno != 0) {
673 ERRS("unable to read from file: %s", desc->file_name);
674 res = ERR_FATAL;
675 break;
676 }
677
678 res = write_out_data(outfile, buf, buflen, css);
679 if (res)
680 break;
681
682 len -= buflen;
683 }
684
685 fclose(f);
686 return res;
687 }
688
689
690 int
image_writeout(FILE * outfile,struct image_desc * desc)691 image_writeout(FILE *outfile, struct image_desc *desc)
692 {
693 int res;
694 struct csum_state css;
695 size_t padlen;
696
697 res = 0;
698
699 if (!desc->file_size)
700 return 0;
701
702 DBG(2, "writing image, file=%s, file_size=%d\n",
703 desc->file_name, desc->file_size);
704
705 csum_init(&css, CSUM_TYPE_32);
706
707 res = image_writeout_file(outfile, desc, &css);
708 if (res)
709 return res;
710
711 /* write padding data if neccesary */
712 padlen = desc->out_size - desc->file_size;
713 DBG(1,"padding desc, length=%d", padlen);
714 res = write_out_padding(outfile, padlen, desc->padc, &css);
715
716 desc->csum = csum_get(&css);
717
718 return res;
719 }
720
721
722 int
write_out_header(FILE * outfile)723 write_out_header(FILE *outfile)
724 {
725 union file_hdr tmp;
726 int res;
727
728 errno = 0;
729 if (fseek(outfile, 0, SEEK_SET) != 0) {
730 ERRS("fseek failed on output file");
731 return ERR_FATAL;
732 }
733
734 switch (board->header_type) {
735 case HEADER_TYPE_CAS:
736 tmp.cas.type = HOST_TO_LE32(header.cas.type);
737 tmp.cas.id = HOST_TO_LE32(header.cas.id);
738 tmp.cas.kernel_offs = HOST_TO_LE32(sizeof(tmp.cas));
739 tmp.cas.kernel_size = HOST_TO_LE32(kernel_image.out_size);
740 tmp.cas.kernel_csum = HOST_TO_LE32(kernel_image.csum);
741 tmp.cas.magic1 = HOST_TO_LE32(CAS_MAGIC1);
742 tmp.cas.magic2 = HOST_TO_LE32(CAS_MAGIC2);
743 tmp.cas.magic3 = HOST_TO_LE32(CAS_MAGIC3);
744 res = write_out_data(outfile, (uint8_t *)&tmp.cas,
745 sizeof(tmp.cas), NULL);
746 break;
747 case HEADER_TYPE_NFS:
748 tmp.nfs.type = HOST_TO_LE32(header.nfs.type);
749 tmp.nfs.id = HOST_TO_LE32(header.nfs.id);
750 tmp.nfs.kernel_offs = HOST_TO_LE32(sizeof(tmp.nfs));
751 tmp.nfs.kernel_size = HOST_TO_LE32(kernel_image.out_size);
752 tmp.nfs.kernel_csum = HOST_TO_LE32(kernel_image.csum);
753 tmp.nfs.fs_offs = HOST_TO_LE32(sizeof(tmp.nfs)
754 + kernel_image.out_size);
755 tmp.nfs.fs_size = HOST_TO_LE32(fs_image.out_size);
756 tmp.nfs.fs_csum = HOST_TO_LE32(fs_image.csum);
757 res = write_out_data(outfile, (uint8_t *)&tmp.nfs,
758 sizeof(tmp.nfs), NULL);
759 break;
760 }
761
762 return res;
763 }
764
765 int
write_out_images(FILE * outfile)766 write_out_images(FILE *outfile)
767 {
768 struct image_desc *desc;
769 int i, res;
770
771 res = image_writeout(outfile, &kernel_image);
772 if (res)
773 return res;
774
775 res = image_writeout(outfile, &fs_image);
776 if (res)
777 return res;
778
779 return 0;
780 }
781
782
783 struct board_info *
find_board(char * model)784 find_board(char *model)
785 {
786 struct board_info *ret;
787 struct board_info *board;
788
789 ret = NULL;
790 for (board = boards; board->model != NULL; board++){
791 if (strcasecmp(model, board->model) == 0) {
792 ret = board;
793 break;
794 }
795 };
796
797 return ret;
798 }
799
800
801 int
parse_opt_board(char ch,char * arg)802 parse_opt_board(char ch, char *arg)
803 {
804
805 DBG(1,"parsing board option: -%c %s", ch, arg);
806
807 if (board != NULL) {
808 ERR("only one board option allowed");
809 return ERR_FATAL;
810 }
811
812 if (required_arg(ch, arg))
813 return ERR_FATAL;
814
815 board = find_board(arg);
816 if (board == NULL){
817 ERR("invalid/unknown board specified: %s", arg);
818 return ERR_FATAL;
819 }
820
821 switch (board->header_type) {
822 case HEADER_TYPE_CAS:
823 header.cas.type = HEADER_TYPE_CAS;
824 header.cas.id = board->id;
825 break;
826 case HEADER_TYPE_NFS:
827 header.nfs.type = HEADER_TYPE_NFS;
828 header.nfs.id = board->id;
829 break;
830 default:
831 ERR("internal error, unknown header type\n");
832 return ERR_FATAL;
833 }
834
835 return 0;
836 }
837
838
839 int
parse_opt_image(char ch,char * arg)840 parse_opt_image(char ch, char *arg)
841 {
842 char buf[MAX_ARG_LEN];
843 char *argv[MAX_ARG_COUNT];
844 int argc;
845 char *p;
846 struct image_desc *desc = NULL;
847 int i;
848
849 switch (ch) {
850 case 'K':
851 if (kernel_image.file_name) {
852 WARN("only one kernel option allowed");
853 break;
854 }
855 desc = &kernel_image;
856 break;
857 case 'F':
858 if (fs_image.file_name) {
859 WARN("only one fs option allowed");
860 break;
861 }
862 desc = &fs_image;
863 break;
864 }
865
866 if (!desc)
867 return ERR_FATAL;
868
869 argc = parse_arg(arg, buf, argv);
870
871 i = 0;
872 p = argv[i++];
873 if (!is_empty_arg(p)) {
874 desc->file_name = strdup(p);
875 if (desc->file_name == NULL) {
876 ERR("not enough memory");
877 return ERR_FATAL;
878 }
879 } else {
880 ERR("no file specified for option %c", ch);
881 return ERR_FATAL;
882 }
883
884 return 0;
885 }
886
887
888 int
process_images(void)889 process_images(void)
890 {
891 struct image_desc *desc;
892 uint32_t offs = 0;
893 int i;
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
main(int argc,char * argv[])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 disabled", ofname);
991 goto out;
992 }
993
994 WARN("generating invalid image", 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 }
1033