[adm5120] convert Cellvision board structures
[openwrt/svn-archive/archive.git] / tools / firmware-utils / src / mkzynfw.c
1 /*
2 * $Id$
3 *
4 * Copyright (C) 2007 OpenWrt.org
5 * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
6 *
7 * This code was based on the information of the ZyXEL's firmware
8 * image format written by Kolja Waschk, can be found at:
9 * http://www.ixo.de/info/zyxel_uclinux
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the
23 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 * Boston, MA 02110-1301, USA.
25 */
26
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <stdint.h>
30 #include <string.h>
31 #include <unistd.h> /* for unlink() */
32 #include <libgen.h>
33 #include <getopt.h> /* for getopt() */
34 #include <stdarg.h>
35 #include <errno.h>
36 #include <sys/stat.h>
37 #include <endian.h> /* for __BYTE_ORDER */
38 #if defined(__CYGWIN__)
39 # include <byteswap.h>
40 #endif
41
42 #include "zynos.h"
43
44 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
45 # define HOST_TO_LE16(x) (x)
46 # define HOST_TO_LE32(x) (x)
47 # define LE16_TO_HOST(x) (x)
48 # define LE32_TO_HOST(x) (x)
49 # define HOST_TO_BE16(x) bswap_16(x)
50 # define HOST_TO_BE32(x) bswap_32(x)
51 # define BE16_TO_HOST(x) bswap_16(x)
52 # define BE32_TO_HOST(x) bswap_32(x)
53 #else
54 # define HOST_TO_BE16(x) (x)
55 # define HOST_TO_BE32(x) (x)
56 # define BE16_TO_HOST(x) (x)
57 # define BE32_TO_HOST(x) (x)
58 # define HOST_TO_LE16(x) bswap_16(x)
59 # define HOST_TO_LE32(x) bswap_32(x)
60 # define LE16_TO_HOST(x) bswap_16(x)
61 # define LE32_TO_HOST(x) bswap_32(x)
62 #endif
63
64 #define ALIGN(x,y) (((x)+((y)-1)) & ~((y)-1))
65
66 #define MAX_NUM_BLOCKS 8
67 #define MAX_ARG_COUNT 32
68 #define MAX_ARG_LEN 1024
69 #define FILE_BUF_LEN (16*1024)
70
71
72 struct csum_state{
73 int odd;
74 uint32_t sum;
75 uint32_t tmp;
76 };
77
78 struct fw_block {
79 uint32_t align; /* alignment of this block */
80 char *file_name; /* name of the file */
81 uint32_t file_size; /* length of the file */
82 char *mmap_name; /* name in the MMAP table */
83 int type; /* block type */
84 uint32_t padlen;
85 uint8_t padc;
86 };
87
88 #define BLOCK_TYPE_BOOTEXT 0
89 #define BLOCK_TYPE_RAW 1
90
91 struct fw_mmap {
92 uint32_t addr;
93 uint32_t size;
94 uint32_t user_addr;
95 uint32_t user_size;
96 };
97 #define MMAP_DATA_SIZE 1024
98 #define MMAP_ALIGN 16
99
100 struct board_info {
101 char *name; /* model name */
102 char *desc; /* description */
103 uint16_t model; /* model id */
104 uint32_t flash_base; /* flash base address */
105 uint32_t flash_size; /* board flash size */
106 uint32_t code_start; /* code start address */
107 uint32_t fw_offs; /* offset of the firmware within the flash */
108 };
109
110 /*
111 * Globals
112 */
113 char *progname;
114 char *ofname = NULL;
115 int verblevel = 0;
116
117 struct board_info *board = NULL;
118
119 struct fw_block blocks[MAX_NUM_BLOCKS];
120 struct fw_block *bootext_block = NULL;
121 int num_blocks = 0;
122
123 #define ADM5120_FLASH_BASE 0xBFC00000
124 #define ADM5120_CODE_START 0x80008000
125
126 /* TODO: check values for AR7 */
127 #define AR7_FLASH_BASE 0xB0000000
128 #define AR7_CODE_START 0x94008000
129
130 #define BOARD(n, d, m, fb, fs, cs, fo) { \
131 .name = (n), .desc=(d), .model = (m), \
132 .flash_base = (fb), .flash_size = (fs)<<20, \
133 .code_start = (cs), .fw_offs = (fo) \
134 }
135
136 #define ADMBOARD1(n, d, m, fs) BOARD(n, d, m, \
137 ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x8000)
138
139 #define ADMBOARD2(n, d, m, fs) BOARD(n, d, m, \
140 ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x10000)
141
142 #define AR7BOARD1(n, d, m, fs) BOARD(n, d, m, \
143 AR7_FLASH_BASE, fs, AR7_CODE_START, 0x8000)
144
145 static struct board_info boards[] = {
146 /*
147 * Infineon/ADMtek ADM5120 based boards
148 */
149 ADMBOARD2("ES-2024A", "ZyXEL ES-2024A", ZYNOS_MODEL_ES_2024A, 4),
150 ADMBOARD2("ES-2024PWR", "ZyXEL ES-2024PWR", ZYNOS_MODEL_ES_2024PWR, 4),
151 ADMBOARD2("ES-2108", "ZyXEL ES-2108", ZYNOS_MODEL_ES_2108, 4),
152 ADMBOARD2("ES-2108-F", "ZyXEL ES-2108-F", ZYNOS_MODEL_ES_2108_F, 4),
153 ADMBOARD2("ES-2108-G", "ZyXEL ES-2108-G", ZYNOS_MODEL_ES_2108_G, 4),
154 ADMBOARD2("ES-2108-LC", "ZyXEL ES-2108-LC", ZYNOS_MODEL_ES_2108_LC, 4),
155 ADMBOARD2("ES-2108PWR", "ZyXEL ES-2108PWR", ZYNOS_MODEL_ES_2108PWR, 4),
156 ADMBOARD1("HS-100", "ZyXEL HomeSafe 100", ZYNOS_MODEL_HS_100, 2),
157 ADMBOARD1("HS-100W", "ZyXEL HomeSafe 100W", ZYNOS_MODEL_HS_100W, 2),
158 ADMBOARD1("P-334", "ZyXEL Prestige 334", ZYNOS_MODEL_P_334, 2),
159 ADMBOARD1("P-334U", "ZyXEL Prestige 334U", ZYNOS_MODEL_P_334U, 4),
160 ADMBOARD1("P-334W", "ZyXEL Prestige 334W", ZYNOS_MODEL_P_334W, 2),
161 ADMBOARD1("P-334WH", "ZyXEL Prestige 334WH", ZYNOS_MODEL_P_334WH, 4),
162 ADMBOARD1("P-334WHD", "ZyXEL Prestige 334WHD", ZYNOS_MODEL_P_334WHD, 4),
163 ADMBOARD1("P-334WT", "ZyXEL Prestige 334WT", ZYNOS_MODEL_P_334WT, 4),
164 ADMBOARD1("P-335", "ZyXEL Prestige 335", ZYNOS_MODEL_P_335, 4),
165 ADMBOARD1("P-335Plus", "ZyXEL Prestige 335Plus", ZYNOS_MODEL_P_335PLUS, 4),
166 ADMBOARD1("P-335U", "ZyXEL Prestige 335U", ZYNOS_MODEL_P_335U, 4),
167 ADMBOARD1("P-335WT", "ZyXEL Prestige 335WT", ZYNOS_MODEL_P_335WT, 4),
168 #if 0
169 /*
170 * Texas Instruments AR7 based boards
171 */
172 AR7BOARD1("P-660H-61", "ZyXEL P-660H-61", ZYNOS_MODEL_P_660H_61, 2),
173 AR7BOARD1("P-660H-63", "ZyXEL P-660H-63", ZYNOS_MODEL_P_660H_63, 2),
174 AR7BOARD1("P-660H-D1", "ZyXEL P-660H-D1", ZYNOS_MODEL_P_660H_D1, 2),
175 AR7BOARD1("P-660H-D3", "ZyXEL P-660H-D3", ZYNOS_MODEL_P_660H_D3, 2),
176 AR7BOARD1("P-660HW-61", "ZyXEL P-660HW-61", ZYNOS_MODEL_P_660HW_61, 2),
177 AR7BOARD1("P-660HW-63", "ZyXEL P-660HW-63", ZYNOS_MODEL_P_660HW_63, 2),
178 AR7BOARD1("P-660HW-67", "ZyXEL P-660HW-67", ZYNOS_MODEL_P_660HW_67, 2),
179 AR7BOARD1("P-660HW-D1", "ZyXEL P-660HW-D1", ZYNOS_MODEL_P_660HW_D1, 2),
180 AR7BOARD1("P-660HW-D3", "ZyXEL P-660HW-D3", ZYNOS_MODEL_P_660HW_D3, 2),
181 AR7BOARD1("P-660R-61", "ZyXEL P-660R-61", ZYNOS_MODEL_P_660R_61, 2),
182 AR7BOARD1("P-660R-61C", "ZyXEL P-660R-61C", ZYNOS_MODEL_P_660R_61C, 2),
183 AR7BOARD1("P-660R-63", "ZyXEL P-660R-63", ZYNOS_MODEL_P_660R_63, 2),
184 AR7BOARD1("P-660R-63C", "ZyXEL P-660R-63C", ZYNOS_MODEL_P_660R_63C, 2),
185 AR7BOARD1("P-660R-67", "ZyXEL P-660R-67", ZYNOS_MODEL_P_660R_67, 2),
186 AR7BOARD1("P-660R-D1", "ZyXEL P-660R-D1", ZYNOS_MODEL_P_660R_D1, 2),
187 AR7BOARD1("P-660R-D3", "ZyXEL P-660R-D3", ZYNOS_MODEL_P_660R_D3, 2),
188 #endif
189 {.name = NULL}
190 };
191
192 /*
193 * Message macros
194 */
195 #define ERR(fmt, ...) do { \
196 fflush(0); \
197 fprintf(stderr, "[%s] *** error: " fmt "\n", progname, ## __VA_ARGS__ ); \
198 } while (0)
199
200 #define ERRS(fmt, ...) do { \
201 int save = errno; \
202 fflush(0); \
203 fprintf(stderr, "[%s] *** error: " fmt ", %s\n", progname, ## __VA_ARGS__ \
204 , strerror(save)); \
205 } while (0)
206
207 #define WARN(fmt, ...) do { \
208 fprintf(stderr, "[%s] *** warning: " fmt "\n", progname, ## __VA_ARGS__ ); \
209 } while (0)
210
211 #define DBG(lev, fmt, ...) do { \
212 if (verblevel < lev) \
213 break;\
214 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
215 } while (0)
216
217 #define ERR_FATAL -1
218 #define ERR_INVALID_IMAGE -2
219
220 /*
221 * Helper routines
222 */
223 void
224 usage(int status)
225 {
226 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
227 struct board_info *board;
228
229 fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
230 fprintf(stream,
231 "\n"
232 "Options:\n"
233 " -B <board> create image for the board specified with <board>.\n"
234 " valid <board> values:\n"
235 );
236 for (board = boards; board->name != NULL; board++){
237 fprintf(stream,
238 " %-12s= %s\n",
239 board->name, board->desc);
240 };
241 fprintf(stream,
242 " -b <file>[:<align>]\n"
243 " add boot extension block to the image\n"
244 " -r <file>[:<align>]\n"
245 " add raw block to the image\n"
246 " -o <file> write output to the file <file>\n"
247 " -h show this screen\n"
248 );
249
250 exit(status);
251 }
252
253
254 /*
255 * argument parsing
256 */
257 int
258 str2u32(char *arg, uint32_t *val)
259 {
260 char *err = NULL;
261 uint32_t t;
262
263 errno=0;
264 t = strtoul(arg, &err, 0);
265 if (errno || (err==arg) || ((err != NULL) && *err)) {
266 return -1;
267 }
268
269 *val = t;
270 return 0;
271 }
272
273
274 int
275 str2u16(char *arg, uint16_t *val)
276 {
277 char *err = NULL;
278 uint32_t t;
279
280 errno=0;
281 t = strtoul(arg, &err, 0);
282 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
283 return -1;
284 }
285
286 *val = t & 0xFFFF;
287 return 0;
288 }
289
290 int
291 str2u8(char *arg, uint8_t *val)
292 {
293 char *err = NULL;
294 uint32_t t;
295
296 errno=0;
297 t = strtoul(arg, &err, 0);
298 if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
299 return -1;
300 }
301
302 *val = t & 0xFF;
303 return 0;
304 }
305
306 int
307 str2sig(char *arg, uint32_t *sig)
308 {
309 if (strlen(arg) != 4)
310 return -1;
311
312 *sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24);
313
314 return 0;
315 }
316
317
318 int
319 parse_arg(char *arg, char *buf, char *argv[])
320 {
321 int res = 0;
322 size_t argl;
323 char *tok;
324 char **ap = &buf;
325 int i;
326
327 memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
328
329 if ((arg == NULL)) {
330 /* no arguments */
331 return 0;
332 }
333
334 argl = strlen(arg);
335 if (argl == 0) {
336 /* no arguments */
337 return 0;
338 }
339
340 if (argl >= MAX_ARG_LEN) {
341 /* argument is too long */
342 argl = MAX_ARG_LEN-1;
343 }
344
345 memcpy(buf, arg, argl);
346 buf[argl] = '\0';
347
348 for (i = 0; i < MAX_ARG_COUNT; i++) {
349 tok = strsep(ap, ":");
350 if (tok == NULL) {
351 break;
352 }
353 #if 0
354 else if (tok[0] == '\0') {
355 break;
356 }
357 #endif
358 argv[i] = tok;
359 res++;
360 }
361
362 return res;
363 }
364
365
366 int
367 required_arg(char c, char *arg)
368 {
369 if (arg == NULL || *arg != '-')
370 return 0;
371
372 ERR("option -%c requires an argument\n", c);
373 return -1;
374 }
375
376
377 int
378 is_empty_arg(char *arg)
379 {
380 int ret = 1;
381 if (arg != NULL) {
382 if (*arg) ret = 0;
383 };
384 return ret;
385 }
386
387
388 void
389 csum_init(struct csum_state *css)
390 {
391 css->odd = 0;
392 css->sum = 0;
393 css->tmp = 0;
394 }
395
396
397 void
398 csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
399 {
400 if (len == 0)
401 return;
402
403 if (css->odd) {
404 css->sum += (css->tmp << 8) + p[0];
405 if (css->sum > 0xFFFF) {
406 css->sum += 1;
407 css->sum &= 0xFFFF;
408 }
409 css->odd = 0;
410 len--;
411 p++;
412 }
413
414 for ( ; len > 1; len -= 2, p +=2 ) {
415 css->sum += (p[0] << 8) + p[1];
416 if (css->sum > 0xFFFF) {
417 css->sum += 1;
418 css->sum &= 0xFFFF;
419 }
420 }
421
422 if (len == 1){
423 css->tmp = p[0];
424 css->odd = 1;
425 }
426 }
427
428
429 uint16_t
430 csum_get(struct csum_state *css)
431 {
432 char pad = 0;
433
434 csum_update(&pad, 1, css);
435 return css->sum;
436 }
437
438 uint16_t
439 csum_buf(uint8_t *p, uint32_t len)
440 {
441 struct csum_state css;
442
443 csum_init(&css);
444 csum_update(p, len, &css);
445 return csum_get(&css);
446
447 }
448
449 /*
450 * routines to write data to the output file
451 */
452 int
453 write_out_data(FILE *outfile, uint8_t *data, size_t len,
454 struct csum_state *css)
455 {
456 errno = 0;
457
458 fwrite(data, len, 1, outfile);
459 if (errno) {
460 ERR("unable to write output file");
461 return -1;
462 }
463
464 if (css) {
465 csum_update(data, len, css);
466 }
467
468 return 0;
469 }
470
471
472 int
473 write_out_padding(FILE *outfile, size_t len, uint8_t padc,
474 struct csum_state *css)
475 {
476 uint8_t buf[512];
477 size_t buflen = sizeof(buf);
478
479 memset(buf, padc, buflen);
480 while (len > 0) {
481 if (len < buflen)
482 buflen = len;
483
484 if (write_out_data(outfile, buf, buflen, css))
485 return -1;
486
487 len -= buflen;
488 }
489
490 return 0;
491 }
492
493
494 int
495 write_out_data_align(FILE *outfile, uint8_t *data, size_t len, size_t align,
496 struct csum_state *css)
497 {
498 size_t padlen;
499 int res;
500
501 res = write_out_data(outfile, data, len, css);
502 if (res)
503 return res;
504
505 padlen = ALIGN(len,align) - len;
506 res = write_out_padding(outfile, padlen, 0xFF, css);
507
508 return res;
509 }
510
511
512 int
513 write_out_header(FILE *outfile, struct zyn_rombin_hdr *hdr)
514 {
515 struct zyn_rombin_hdr t;
516
517 errno = 0;
518 if (fseek(outfile, 0, SEEK_SET) != 0) {
519 ERRS("fseek failed on output file");
520 return -1;
521 }
522
523 /* setup temporary header fields */
524 memset(&t,0, sizeof(t));
525 t.addr = HOST_TO_BE32(hdr->addr);
526 memcpy(&t.sig, ROMBIN_SIGNATURE, ROMBIN_SIG_LEN);
527 t.type = hdr->type;
528 t.flags = hdr->flags;
529 t.osize = HOST_TO_BE32(hdr->osize);
530 t.csize = HOST_TO_BE32(hdr->csize);
531 t.ocsum = HOST_TO_BE16(hdr->ocsum);
532 t.ccsum = HOST_TO_BE16(hdr->ccsum);
533 t.mmap_addr = HOST_TO_BE32(hdr->mmap_addr);
534
535 return write_out_data(outfile, (uint8_t *)&t, sizeof(t), NULL);
536 }
537
538
539 int
540 write_out_mmap(FILE *outfile, struct fw_mmap *mmap, struct csum_state *css)
541 {
542 struct zyn_mmt_hdr *mh;
543 uint8_t buf[MMAP_DATA_SIZE];
544 uint32_t user_size;
545 char *data;
546 int res;
547
548 memset(buf,0,sizeof(buf));
549
550 mh = (struct zyn_mmt_hdr *)buf;
551
552 /* TODO: needs to recreate the memory map too? */
553 mh->count=0;
554
555 /* Build user data section */
556 data = buf+sizeof(*mh);
557 data += sprintf(data,"Model 1 %d", BE16_TO_HOST(board->model));
558 *data++ = '\0';
559 /* TODO: make hardware version configurable? */
560 data += sprintf(data,"HwVerRange 2 %d %d", 0, 0);
561 *data++ = '\0';
562
563 user_size = (uint8_t *)data - buf;
564 mh->user_start= HOST_TO_BE32(mmap->addr+sizeof(*mh));
565 mh->user_end= HOST_TO_BE32(mmap->addr+user_size);
566 mh->csum = HOST_TO_BE16(csum_buf(buf+sizeof(*mh), user_size));
567
568 res = write_out_data(outfile, buf, sizeof(buf), css);
569
570 return res;
571 }
572
573
574 int
575 block_stat_file(struct fw_block *block)
576 {
577 struct stat st;
578 int res;
579
580 if (block->file_name == NULL)
581 return 0;
582
583 res = stat(block->file_name, &st);
584 if (res){
585 ERRS("stat failed on %s", block->file_name);
586 return res;
587 }
588
589 block->file_size = st.st_size;
590 return 0;
591 }
592
593
594 int
595 write_out_file(FILE *outfile, char *name, size_t len, struct csum_state *css)
596 {
597 char buf[FILE_BUF_LEN];
598 size_t buflen = sizeof(buf);
599 FILE *f;
600 int res;
601
602 DBG(2, "writing out file, name=%s, len=%d",
603 name, len);
604
605 errno = 0;
606 f = fopen(name,"r");
607 if (errno) {
608 ERRS("unable to open file: %s", name);
609 return -1;
610 }
611
612 while (len > 0) {
613 if (len < buflen)
614 buflen = len;
615
616 /* read data from source file */
617 errno = 0;
618 fread(buf, buflen, 1, f);
619 if (errno != 0) {
620 ERRS("unable to read from file: %s",name);
621 res = -1;
622 break;
623 }
624
625 res = write_out_data(outfile, buf, buflen, css);
626 if (res)
627 break;
628
629 len -= buflen;
630 }
631
632 fclose(f);
633 return res;
634 }
635
636
637 int
638 write_out_block(FILE *outfile, struct fw_block *block, struct csum_state *css)
639 {
640 int res;
641
642 if (block == NULL)
643 return 0;
644
645 if (block->file_name == NULL)
646 return 0;
647
648 if (block->file_size == 0)
649 return 0;
650
651 res = write_out_file(outfile, block->file_name,
652 block->file_size, css);
653 return res;
654 }
655
656
657 int
658 write_out_image(FILE *outfile)
659 {
660 struct fw_block *block;
661 struct fw_mmap mmap;
662 struct zyn_rombin_hdr hdr;
663 struct csum_state css;
664 int i, res;
665 uint32_t offset;
666 uint32_t padlen;
667
668 /* setup header fields */
669 hdr.addr = board->code_start;
670 hdr.type = OBJECT_TYPE_BOOTEXT;
671 hdr.flags = ROMBIN_FLAG_OCSUM;
672
673 res = write_out_header(outfile, &hdr);
674 if (res)
675 return res;
676
677 offset = sizeof(hdr);
678
679 csum_init(&css);
680 res = write_out_block(outfile, bootext_block, &css);
681 if (res)
682 return res;
683
684 offset += bootext_block->file_size;
685
686 padlen = ALIGN(offset,MMAP_ALIGN) - offset;
687 res = write_out_padding(outfile, padlen, 0xFF, &css);
688 if (res)
689 return res;
690
691 offset += padlen;
692
693 mmap.addr = board->flash_base + board->fw_offs + offset;
694 hdr.mmap_addr = mmap.addr;
695 res = write_out_mmap(outfile, &mmap, &css);
696 if (res)
697 return res;
698
699 offset += MMAP_DATA_SIZE;
700 hdr.osize = offset - sizeof(hdr);
701 hdr.ocsum = csum_get(&css);
702
703 for (i=0; i < num_blocks; i++) {
704 block = &blocks[i];
705
706 if (block->type == BLOCK_TYPE_BOOTEXT)
707 continue;
708
709 padlen = ALIGN(offset,block->align) - offset;
710 res = write_out_padding(outfile, padlen, 0xFF, NULL);
711 if (res)
712 return res;
713 offset += padlen;
714
715 res = write_out_block(outfile, block, NULL);
716 if (res)
717 return res;
718 offset += block->file_size;
719 }
720
721 res = write_out_header(outfile, &hdr);
722
723 return res;
724 }
725
726
727 struct board_info *
728 find_board(char *name)
729 {
730 struct board_info *ret;
731 struct board_info *board;
732
733 ret = NULL;
734 for (board = boards; board->name != NULL; board++){
735 if (strcasecmp(name, board->name) == 0) {
736 ret = board;
737 break;
738 }
739 };
740
741 return ret;
742 }
743
744
745 int
746 parse_opt_board(char ch, char *arg)
747 {
748
749 DBG(1,"parsing board option: -%c %s", ch, arg);
750
751 if (board != NULL) {
752 ERR("only one board option allowed");
753 return -1;
754 }
755
756 if (required_arg(ch, arg))
757 return -1;
758
759 board = find_board(arg);
760 if (board == NULL){
761 ERR("invalid/unknown board specified: %s", arg);
762 return -1;
763 }
764
765 return 0;
766 }
767
768
769 int
770 parse_opt_ofname(char ch, char *arg)
771 {
772
773 if (ofname != NULL) {
774 ERR("only one output file allowed");
775 return -1;
776 }
777
778 if (required_arg(ch, arg))
779 return -1;
780
781 ofname = arg;
782
783 return 0;
784 }
785
786
787 int
788 parse_opt_block(char ch, char *arg)
789 {
790 char buf[MAX_ARG_LEN];
791 char *argv[MAX_ARG_COUNT];
792 int argc;
793 char *p;
794 struct fw_block *block;
795 int i;
796
797 if ( num_blocks >= MAX_NUM_BLOCKS ) {
798 ERR("too many blocks specified");
799 return -1;
800 }
801
802 block = &blocks[num_blocks++];
803
804 /* setup default field values */
805 block->padc = 0xFF;
806
807 switch(ch) {
808 case 'b':
809 if (bootext_block) {
810 ERR("only one boot extension block allowed");
811 break;
812 }
813 block->type = BLOCK_TYPE_BOOTEXT;
814 bootext_block = block;
815 break;
816 case 'r':
817 block->type = BLOCK_TYPE_RAW;
818 break;
819 }
820
821 argc = parse_arg(arg, buf, argv);
822
823 i = 0;
824 p = argv[i++];
825 if (is_empty_arg(p)) {
826 ERR("no file specified in %s", arg);
827 return -1;
828 } else {
829 block->file_name = strdup(p);
830 if (block->file_name == NULL) {
831 ERR("not enough memory");
832 return -1;
833 }
834 }
835
836 if(block->type == BLOCK_TYPE_BOOTEXT)
837 return 0;
838
839 p = argv[i++];
840 if (!is_empty_arg(p)) {
841 if (str2u32(p, &block->align) != 0) {
842 ERR("invalid block align in %s", arg);
843 return -1;
844 }
845 }
846
847 return 0;
848 }
849
850
851 int
852 calc_block_offsets(int type, uint32_t *offset)
853 {
854 struct fw_block *block;
855 uint32_t next_offs;
856 uint32_t avail;
857 int i, res;
858
859 DBG(1,"calculating block offsets, starting with %lu",
860 *offset);
861
862 res = 0;
863 for (i = 0; i < num_blocks; i++) {
864 block = &blocks[i];
865
866 if (block->type != type)
867 continue;
868
869 next_offs = ALIGN(*offset, block->align);
870 avail = board->flash_size - board->fw_offs - next_offs;
871 if (next_offs + block->file_size > avail) {
872 ERR("file %s is too big, offset = %u, size=%u,"
873 " align = %u", block->file_name,
874 (unsigned)next_offs,
875 (unsigned)block->file_size,
876 (unsigned)block->align);
877 res = -1;
878 break;
879 }
880
881 block->padlen = next_offs - *offset;
882 *offset += block->file_size;
883 }
884
885 return res;
886 }
887
888 int
889 process_blocks(void)
890 {
891 struct fw_block *block;
892 uint32_t offset;
893 int i;
894 int res;
895
896 /* collecting file stats */
897 for (i = 0; i < num_blocks; i++) {
898 block = &blocks[i];
899 res = block_stat_file(block);
900 if (res)
901 return res;
902 }
903
904 offset = board->fw_offs + bootext_block->file_size;
905 res = calc_block_offsets(BLOCK_TYPE_RAW, &offset);
906
907 return res;
908 }
909
910
911 int
912 main(int argc, char *argv[])
913 {
914 int optinvalid = 0; /* flag for invalid option */
915 int c;
916 int res = EXIT_FAILURE;
917
918 FILE *outfile;
919
920 progname=basename(argv[0]);
921
922 opterr = 0; /* could not print standard getopt error messages */
923 while ( 1 ) {
924 optinvalid = 0;
925
926 c = getopt(argc, argv, "b:B:ho:r:v");
927 if (c == -1)
928 break;
929
930 switch (c) {
931 case 'b':
932 case 'r':
933 optinvalid = parse_opt_block(c,optarg);
934 break;
935 case 'B':
936 optinvalid = parse_opt_board(c,optarg);
937 break;
938 case 'o':
939 optinvalid = parse_opt_ofname(c,optarg);
940 break;
941 case 'v':
942 verblevel++;
943 break;
944 case 'h':
945 usage(EXIT_SUCCESS);
946 break;
947 default:
948 optinvalid = 1;
949 break;
950 }
951 if (optinvalid != 0 ) {
952 ERR("invalid option: -%c", optopt);
953 goto out;
954 }
955 }
956
957 if (board == NULL) {
958 ERR("no board specified");
959 goto out;
960 }
961
962 if (ofname == NULL) {
963 ERR("no output file specified");
964 goto out;
965 }
966
967 if (optind < argc) {
968 ERR("invalid option: %s", argv[optind]);
969 goto out;
970 }
971
972
973 if (process_blocks() != 0) {
974 goto out;
975 }
976
977 outfile = fopen(ofname, "w");
978 if (outfile == NULL) {
979 ERRS("could not open \"%s\" for writing", ofname);
980 goto out;
981 }
982
983 if (write_out_image(outfile) != 0)
984 goto out_flush;
985
986 DBG(1,"Image file %s completed.", ofname);
987
988 res = EXIT_SUCCESS;
989
990 out_flush:
991 fflush(outfile);
992 fclose(outfile);
993 if (res != EXIT_SUCCESS) {
994 unlink(ofname);
995 }
996 out:
997 return res;
998 }