1/*
2 *  Copyright (C) 2006-2008 Gabor Juhos <juhosg@openwrt.org>
3 *
4 *  This program is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU General Public License
6 *  as published by the Free Software Foundation; either version 2
7 *  of the License, or (at your option) any later version.
8 *
9 *  This program is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 *  GNU General Public License for more details.
13 *
14 *  You should have received a copy of the GNU General Public License
15 *  along with this program; if not, write to the
16 *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 *  Boston, MA  02110-1301, USA.
18 *
19 */
20
21#include <stdio.h>
22#include <stdlib.h>
23#include <stdint.h>
24#include <string.h>
25#include <unistd.h>     /* for unlink() */
26#include <libgen.h>
27#include <getopt.h>     /* for getopt() */
28#include <stdarg.h>
29#include <errno.h>
30#include <sys/stat.h>
31#include <endian.h>     /* for __BYTE_ORDER */
32
33#if defined(__CYGWIN__)
34#  include <byteswap.h>
35#endif
36
37#if (__BYTE_ORDER == __LITTLE_ENDIAN)
38#  define HOST_TO_LE16(x)	(x)
39#  define HOST_TO_LE32(x)	(x)
40#else
41#  define HOST_TO_LE16(x)	bswap_16(x)
42#  define HOST_TO_LE32(x)	bswap_32(x)
43#endif
44
45#include "myloader.h"
46
47#define MAX_FW_BLOCKS  	32
48#define MAX_ARG_COUNT   32
49#define MAX_ARG_LEN     1024
50#define FILE_BUF_LEN    (16*1024)
51#define PART_NAME_LEN	32
52
53struct fw_block {
54	uint32_t	addr;
55	uint32_t	blocklen; /* length of the block */
56	uint32_t	flags;
57
58	char		*name;  /* name of the file */
59	uint32_t	size;  	/* length of the file */
60	uint32_t	crc;    /* crc value of the file */
61};
62
63struct fw_part {
64	struct mylo_partition	mylo;
65	char			name[PART_NAME_LEN];
66};
67
68#define BLOCK_FLAG_HAVEHDR    0x0001
69
70struct cpx_board {
71	char		*model; /* model number*/
72	char		*name;	/* model name*/
73	char		*desc;  /* description */
74	uint16_t        vid;    /* vendor id */
75	uint16_t        did;    /* device id */
76	uint16_t        svid;   /* sub vendor id */
77	uint16_t        sdid;   /* sub device id */
78	uint32_t        flash_size;     /* size of flash */
79	uint32_t	part_offset;	/* offset of the partition_table */
80	uint32_t	part_size;	/* size of the partition_table */
81};
82
83#define BOARD(_vid, _did, _svid, _sdid, _flash, _mod, _name, _desc, _po, _ps) {		\
84	.model = _mod, .name = _name, .desc = _desc,   			\
85	.vid = _vid, .did = _did, .svid = _svid, .sdid = _sdid,         \
86	.flash_size = (_flash << 20),					\
87	.part_offset = _po, .part_size = _ps }
88
89#define CPX_BOARD(_did, _flash, _mod, _name, _desc, _po, _ps) \
90	BOARD(VENID_COMPEX, _did, VENID_COMPEX, _did, _flash, _mod, _name, _desc, _po, _ps)
91
92#define CPX_BOARD_ADM(_did, _flash, _mod, _name, _desc) \
93	CPX_BOARD(_did, _flash, _mod, _name, _desc, 0x10000, 0x10000)
94
95#define CPX_BOARD_AR71XX(_did, _flash, _mod, _name, _desc) \
96	CPX_BOARD(_did, _flash, _mod, _name, _desc, 0x20000, 0x8000)
97
98#define CPX_BOARD_AR23XX(_did, _flash, _mod, _name, _desc) \
99	CPX_BOARD(_did, _flash, _mod, _name, _desc, 0x10000, 0x10000)
100
101#define ALIGN(x,y)	((x)+((y)-1)) & ~((y)-1)
102
103char	*progname;
104char	*ofname = NULL;
105
106uint32_t flash_size = 0;
107int	fw_num_partitions = 0;
108int	fw_num_blocks = 0;
109int	verblevel = 0;
110
111struct mylo_fw_header fw_header;
112struct fw_part fw_parts[MYLO_MAX_PARTITIONS];
113struct fw_block fw_blocks[MAX_FW_BLOCKS];
114struct cpx_board *board;
115
116struct cpx_board boards[] = {
117	CPX_BOARD_ADM(DEVID_COMPEX_NP18A, 4,
118		"NP18A", "Compex NetPassage 18A",
119		"Dualband Wireless A+G Internet Gateway"),
120	CPX_BOARD_ADM(DEVID_COMPEX_NP26G8M, 2,
121		"NP26G8M", "Compex NetPassage 26G (8M)",
122		"Wireless-G Broadband Multimedia Gateway"),
123	CPX_BOARD_ADM(DEVID_COMPEX_NP26G16M, 4,
124		"NP26G16M", "Compex NetPassage 26G (16M)",
125		"Wireless-G Broadband Multimedia Gateway"),
126	CPX_BOARD_ADM(DEVID_COMPEX_NP27G, 4,
127		"NP27G", "Compex NetPassage 27G",
128		"Wireless-G 54Mbps eXtended Range Router"),
129	CPX_BOARD_ADM(DEVID_COMPEX_NP28G, 4,
130		"NP28G", "Compex NetPassage 28G",
131		"Wireless 108Mbps Super-G XR Multimedia Router with 4 USB Ports"),
132	CPX_BOARD_ADM(DEVID_COMPEX_NP28GHS, 4,
133		"NP28GHS", "Compex NetPassage 28G (HotSpot)",
134		"HotSpot Solution"),
135	CPX_BOARD_ADM(DEVID_COMPEX_WP18, 4,
136		"WP18", "Compex NetPassage WP18",
137		"Wireless-G 54Mbps A+G Dualband Access Point"),
138	CPX_BOARD_ADM(DEVID_COMPEX_WP54G, 4,
139		"WP54G", "Compex WP54G",
140		"Wireless-G 54Mbps XR Access Point"),
141	CPX_BOARD_ADM(DEVID_COMPEX_WP54Gv1C, 2,
142		"WP54Gv1C", "Compex WP54G rev.1C",
143		"Wireless-G 54Mbps XR Access Point"),
144	CPX_BOARD_ADM(DEVID_COMPEX_WP54AG, 4,
145		"WP54AG", "Compex WP54AG",
146		"Wireless-AG 54Mbps XR Access Point"),
147	CPX_BOARD_ADM(DEVID_COMPEX_WPP54G, 4,
148		"WPP54G", "Compex WPP54G",
149		"Outdoor Access Point"),
150	CPX_BOARD_ADM(DEVID_COMPEX_WPP54AG, 4,
151		"WPP54AG", "Compex WPP54AG",
152		"Outdoor Access Point"),
153
154	CPX_BOARD_AR71XX(DEVID_COMPEX_WP543, 2,
155		"WP543", "Compex WP543",
156		"BareBoard"),
157	CPX_BOARD_AR71XX(DEVID_COMPEX_WPE72, 8,
158		"WPE72", "Compex WPE72",
159		"BareBoard"),
160
161	CPX_BOARD_AR23XX(DEVID_COMPEX_NP25G, 4,
162		"NP25G", "Compex NetPassage 25G",
163		"Wireless 54Mbps XR Router"),
164	CPX_BOARD_AR23XX(DEVID_COMPEX_WPE53G, 4,
165		"WPE53G", "Compex NetPassage 25G",
166		"Wireless 54Mbps XR Access Point"),
167	{.model = NULL}
168};
169
170void
171errmsgv(int syserr, const char *fmt, va_list arg_ptr)
172{
173	int save = errno;
174
175	fflush(0);
176	fprintf(stderr, "[%s] Error: ", progname);
177	vfprintf(stderr, fmt, arg_ptr);
178	if (syserr != 0) {
179		fprintf(stderr, ": %s", strerror(save));
180	}
181	fprintf(stderr, "\n");
182}
183
184void
185errmsg(int syserr, const char *fmt, ...)
186{
187	va_list arg_ptr;
188	va_start(arg_ptr, fmt);
189	errmsgv(syserr, fmt, arg_ptr);
190	va_end(arg_ptr);
191}
192
193void
194dbgmsg(int level, const char *fmt, ...)
195{
196	va_list arg_ptr;
197	if (verblevel >= level) {
198		fflush(0);
199		va_start(arg_ptr, fmt);
200		vfprintf(stderr, fmt, arg_ptr);
201		fprintf(stderr, "\n");
202		va_end(arg_ptr);
203	}
204}
205
206
207void
208usage(int status)
209{
210	FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
211	struct cpx_board *board;
212
213	fprintf(stream, "Usage: %s [OPTION...] <file>\n", progname);
214	fprintf(stream,
215"\n"
216"  <file>          write output to the <file>\n"
217"\n"
218"Options:\n"
219"  -B <board>      create firmware for the board specified with <board>.\n"
220"                  This option set vendor id, device id, subvendor id,\n"
221"                  subdevice id, and flash size options to the right value.\n"
222"                  valid <board> values:\n");
223	for (board = boards; board->model != NULL; board++){
224		fprintf(stream,
225"                      %-12s: %s\n",
226		 board->model, board->name);
227	};
228	fprintf(stream,
229"  -i <vid>:<did>[:<svid>[:<sdid>]]\n"
230"                  create firmware for board with vendor id <vid>, device\n"
231"                  id <did>, subvendor id <svid> and subdevice id <sdid>.\n"
232"  -r <rev>        set board revision to <rev>.\n"
233"  -s <size>       set flash size to <size>\n"
234"  -b <addr>:<len>[:[<flags>]:<file>]\n"
235"                  define block at <addr> with length of <len>.\n"
236"                  valid <flag> values:\n"
237"                      h : add crc header before the file data.\n"
238"  -p <addr>:<len>[:<flags>[:<param>[:<name>[:<file>]]]]\n"
239"                  add partition at <addr>, with size of <len> to the\n"
240"                  partition table, set partition name to <name>, partition \n"
241"                  flags to <flags> and partition parameter to <param>.\n"
242"                  If the <file> is specified content of the file will be \n"
243"                  added to the firmware image.\n"
244"                  valid <flag> values:\n"
245"                      a:  this is the active partition. The bootloader loads\n"
246"                          the firmware from this partition.\n"
247"                      h:  the partition data have a header.\n"
248"                      l:  the partition data uses LZMA compression.\n"
249"                      p:  the bootloader loads data from this partition to\n"
250"                          the RAM before decompress it.\n"
251"  -h              show this screen\n"
252	);
253
254	exit(status);
255}
256
257/*
258 * Code to compute the CRC-32 table. Borrowed from
259 * gzip-1.0.3/makecrc.c.
260 */
261
262static uint32_t crc_32_tab[256];
263
264void
265init_crc_table(void)
266{
267	/* Not copyrighted 1990 Mark Adler	*/
268
269	uint32_t c;      /* crc shift register */
270	uint32_t e;      /* polynomial exclusive-or pattern */
271	int i;           /* counter for all possible eight bit values */
272	int k;           /* byte being shifted into crc apparatus */
273
274	/* terms of polynomial defining this crc (except x^32): */
275	static const int p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
276
277	/* Make exclusive-or pattern from polynomial */
278	e = 0;
279	for (i = 0; i < sizeof(p)/sizeof(int); i++)
280		e |= 1L << (31 - p[i]);
281
282	crc_32_tab[0] = 0;
283
284	for (i = 1; i < 256; i++) {
285		c = 0;
286		for (k = i | 256; k != 1; k >>= 1) {
287			c = c & 1 ? (c >> 1) ^ e : c >> 1;
288			if (k & 1)
289				c ^= e;
290		}
291		crc_32_tab[i] = c;
292	}
293}
294
295
296void
297update_crc(uint8_t *p, uint32_t len, uint32_t *crc)
298{
299	uint32_t t;
300
301	t = *crc ^ 0xFFFFFFFFUL;
302	while (len--) {
303		t = crc_32_tab[(t ^ *p++) & 0xff] ^ (t >> 8);
304	}
305	*crc = t ^ 0xFFFFFFFFUL;
306}
307
308
309uint32_t
310get_crc(uint8_t *p, uint32_t len)
311{
312	uint32_t crc;
313
314	crc = 0;
315	update_crc(p ,len , &crc);
316	return crc;
317}
318
319
320int
321str2u32(char *arg, uint32_t *val)
322{
323	char *err = NULL;
324	uint32_t t;
325
326	errno=0;
327	t = strtoul(arg, &err, 0);
328	if (errno || (err==arg) || ((err != NULL) && *err)) {
329		return -1;
330	}
331
332	*val = t;
333	return 0;
334}
335
336
337int
338str2u16(char *arg, uint16_t *val)
339{
340	char *err = NULL;
341	uint32_t t;
342
343	errno=0;
344	t = strtoul(arg, &err, 0);
345	if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
346		return -1;
347	}
348
349	*val = t & 0xFFFF;
350	return 0;
351}
352
353
354struct cpx_board *
355find_board(char *model){
356	struct cpx_board *board;
357	struct cpx_board *tmp;
358
359	board = NULL;
360	for (tmp = boards; tmp->model != NULL; tmp++){
361		if (strcasecmp(model, tmp->model) == 0) {
362			board = tmp;
363			break;
364		}
365	};
366
367	return board;
368}
369
370
371int
372get_file_crc(struct fw_block *ff)
373{
374	FILE *f;
375	uint8_t buf[FILE_BUF_LEN];
376	uint32_t readlen = sizeof(buf);
377	int res = -1;
378	size_t len;
379
380	if ((ff->flags & BLOCK_FLAG_HAVEHDR) == 0) {
381		res = 0;
382		goto out;
383	}
384
385	errno = 0;
386	f = fopen(ff->name,"r");
387	if (errno) {
388		errmsg(1,"unable to open file %s", ff->name);
389		goto out;
390	}
391
392	ff->crc = 0;
393	len = ff->size;
394	while (len > 0) {
395		if (len < readlen)
396			readlen = len;
397
398		errno = 0;
399		fread(buf, readlen, 1, f);
400		if (errno) {
401			errmsg(1,"unable to read from file %s",	ff->name);
402			goto out_close;
403		}
404
405		update_crc(buf, readlen, &ff->crc);
406		len -= readlen;
407	}
408
409	res = 0;
410
411out_close:
412	fclose(f);
413out:
414	return res;
415}
416
417
418int
419process_files(void)
420{
421	struct fw_block *b;
422	struct stat st;
423	int i;
424
425	for (i = 0; i < fw_num_blocks; i++) {
426		b = &fw_blocks[i];
427		if ((b->addr + b->blocklen) > flash_size) {
428			errmsg(0, "block at 0x%08X is too big", b->addr);
429			return -1;
430		}
431		if (b->name == NULL)
432			continue;
433
434		if (stat(b->name, &st) < 0) {
435			errmsg(0, "stat failed on %s",b->name);
436			return -1;
437		}
438		if (b->blocklen == 0) {
439			b->blocklen = flash_size - b->addr;
440		}
441		if (st.st_size > b->blocklen) {
442			errmsg(0,"file %s is too big",b->name);
443			return -1;
444		}
445
446		b->size = st.st_size;
447	}
448
449	return 0;
450}
451
452
453int
454process_partitions(void)
455{
456	struct mylo_partition *part;
457	int i;
458
459	for (i = 0; i < fw_num_partitions; i++) {
460		part = &fw_parts[i].mylo;
461
462		if (part->addr > flash_size) {
463			errmsg(0, "invalid partition at 0x%08X", part->addr);
464			return -1;
465		}
466
467		if ((part->addr + part->size) > flash_size) {
468			errmsg(0, "partition at 0x%08X is too big", part->addr);
469			return -1;
470		}
471	}
472
473	return 0;
474}
475
476
477/*
478 * routines to write data to the output file
479 */
480int
481write_out_data(FILE *outfile, uint8_t *data, size_t len, uint32_t *crc)
482{
483	errno = 0;
484
485	fwrite(data, len, 1, outfile);
486	if (errno) {
487		errmsg(1,"unable to write output file");
488		return -1;
489	}
490
491	if (crc) {
492		update_crc(data, len, crc);
493	}
494
495	return 0;
496}
497
498
499int
500write_out_desc(FILE *outfile, struct mylo_fw_blockdesc *desc, uint32_t *crc)
501{
502	return write_out_data(outfile, (uint8_t *)desc,
503		sizeof(*desc), crc);
504}
505
506
507int
508write_out_padding(FILE *outfile, size_t len, uint8_t padc, uint32_t *crc)
509{
510	uint8_t buff[512];
511	size_t  buflen = sizeof(buff);
512
513	memset(buff, padc, buflen);
514
515	while (len > 0) {
516		if (len < buflen)
517			buflen = len;
518
519		if (write_out_data(outfile, buff, buflen, crc))
520			return -1;
521
522		len -= buflen;
523	}
524
525	return 0;
526}
527
528
529int
530write_out_file(FILE *outfile, struct fw_block *block, uint32_t *crc)
531{
532	char buff[FILE_BUF_LEN];
533	size_t  buflen = sizeof(buff);
534	FILE *f;
535	size_t len;
536
537	errno = 0;
538
539	if (block->name == NULL) {
540		return 0;
541	}
542
543	if ((block->flags & BLOCK_FLAG_HAVEHDR) != 0) {
544		struct mylo_partition_header ph;
545
546		if (get_file_crc(block) != 0)
547		        return -1;
548
549		ph.crc = HOST_TO_LE32(block->crc);
550		ph.len = HOST_TO_LE32(block->size);
551
552		if (write_out_data(outfile, (uint8_t *)&ph, sizeof(ph), crc) != 0)
553			return -1;
554	}
555
556	f = fopen(block->name,"r");
557	if (errno) {
558		errmsg(1,"unable to open file: %s", block->name);
559		return -1;
560	}
561
562	len = block->size;
563	while (len > 0) {
564		if (len < buflen)
565			buflen = len;
566
567		/* read data from source file */
568		errno = 0;
569		fread(buff, buflen, 1, f);
570		if (errno != 0) {
571			errmsg(1,"unable to read from file: %s",block->name);
572			return -1;
573		}
574
575		if (write_out_data(outfile, buff, buflen, crc) != 0)
576			return -1;
577
578		len -= buflen;
579	}
580
581	fclose(f);
582
583	/* align next block on a 4 byte boundary */
584	len = ALIGN(len,4) - block->size;
585	if (write_out_padding(outfile, len, 0xFF, crc))
586		return -1;
587
588	dbgmsg(1,"file %s written out", block->name);
589	return 0;
590}
591
592
593int
594write_out_header(FILE *outfile, uint32_t *crc)
595{
596	struct mylo_fw_header hdr;
597
598	memset(&hdr, 0, sizeof(hdr));
599
600	hdr.magic = HOST_TO_LE32(MYLO_MAGIC_FIRMWARE);
601	hdr.crc = HOST_TO_LE32(fw_header.crc);
602	hdr.vid = HOST_TO_LE16(fw_header.vid);
603	hdr.did = HOST_TO_LE16(fw_header.did);
604	hdr.svid = HOST_TO_LE16(fw_header.svid);
605	hdr.sdid = HOST_TO_LE16(fw_header.sdid);
606	hdr.rev = HOST_TO_LE32(fw_header.rev);
607	hdr.fwhi = HOST_TO_LE32(fw_header.fwhi);
608	hdr.fwlo = HOST_TO_LE32(fw_header.fwlo);
609	hdr.flags = HOST_TO_LE32(fw_header.flags);
610
611	if (fseek(outfile, 0, SEEK_SET) != 0) {
612		errmsg(1,"fseek failed on output file");
613		return -1;
614	}
615
616	return write_out_data(outfile, (uint8_t *)&hdr, sizeof(hdr), crc);
617}
618
619
620int
621write_out_partitions(FILE *outfile, uint32_t *crc)
622{
623	struct mylo_partition_table p;
624	char part_names[MYLO_MAX_PARTITIONS][PART_NAME_LEN];
625	int ret;
626	int i;
627
628	if (fw_num_partitions == 0)
629		return 0;
630
631	memset(&p, 0, sizeof(p));
632	memset(part_names, 0, sizeof(part_names));
633
634	p.magic = HOST_TO_LE32(MYLO_MAGIC_PARTITIONS);
635	for (i = 0; i < fw_num_partitions; i++) {
636		struct mylo_partition *mp;
637		struct fw_part *fp;
638
639		mp = &p.partitions[i];
640		fp = &fw_parts[i];
641		mp->flags = HOST_TO_LE16(fp->mylo.flags);
642		mp->type = HOST_TO_LE16(PARTITION_TYPE_USED);
643		mp->addr = HOST_TO_LE32(fp->mylo.addr);
644		mp->size = HOST_TO_LE32(fp->mylo.size);
645		mp->param = HOST_TO_LE32(fp->mylo.param);
646
647		memcpy(part_names[i], fp->name, PART_NAME_LEN);
648	}
649
650	ret = write_out_data(outfile, (uint8_t *)&p, sizeof(p), crc);
651	if (ret)
652		return ret;
653
654	ret = write_out_data(outfile, (uint8_t *)part_names, sizeof(part_names),
655				crc);
656	return ret;
657}
658
659
660int
661write_out_blocks(FILE *outfile, uint32_t *crc)
662{
663	struct mylo_fw_blockdesc desc;
664	struct fw_block *b;
665	uint32_t dlen;
666	int i;
667
668	/*
669	 * if at least one partition specified, write out block descriptor
670	 * for the partition table
671	 */
672	if (fw_num_partitions > 0) {
673		desc.type = HOST_TO_LE32(FW_DESC_TYPE_USED);
674		desc.addr = HOST_TO_LE32(board->part_offset);
675		desc.dlen = HOST_TO_LE32(sizeof(struct mylo_partition_table) +
676					(MYLO_MAX_PARTITIONS * PART_NAME_LEN));
677		desc.blen = HOST_TO_LE32(board->part_size);
678
679		if (write_out_desc(outfile, &desc, crc) != 0)
680		        return -1;
681	}
682
683	/*
684	 * write out block descriptors for each files
685	 */
686	for (i = 0; i < fw_num_blocks; i++) {
687		b = &fw_blocks[i];
688
689		/* detect block size */
690		dlen = b->size;
691		if ((b->flags & BLOCK_FLAG_HAVEHDR) != 0) {
692			dlen += sizeof(struct mylo_partition_header);
693		}
694
695		/* round up to 4 bytes */
696		dlen = ALIGN(dlen, 4);
697
698		/* setup the descriptor */
699		desc.type = HOST_TO_LE32(FW_DESC_TYPE_USED);
700		desc.addr = HOST_TO_LE32(b->addr);
701		desc.dlen = HOST_TO_LE32(dlen);
702		desc.blen = HOST_TO_LE32(b->blocklen);
703
704		if (write_out_desc(outfile, &desc, crc) != 0)
705			return -1;
706	}
707
708	/*
709	 * write out the null block descriptor
710	 */
711	memset(&desc, 0, sizeof(desc));
712	if (write_out_desc(outfile, &desc, crc) != 0)
713		return -1;
714
715	if (write_out_partitions(outfile, crc) != 0)
716		return -1;
717
718	/*
719	 * write out data for each blocks
720	 */
721	for (i = 0; i < fw_num_blocks; i++) {
722		b = &fw_blocks[i];
723		if (write_out_file(outfile, b, crc) != 0)
724		        return -1;
725	}
726
727	return 0;
728}
729
730
731/*
732 * argument parsing
733 */
734int
735parse_arg(char *arg, char *buf, char *argv[])
736{
737	int res = 0;
738	size_t argl;
739	char *tok;
740	char **ap = &buf;
741	int i;
742
743	if ((arg == NULL)) {
744		/* invalid argument string */
745		return -1;
746	}
747
748	argl = strlen(arg);
749	if (argl == 0) {
750		/* no arguments */
751		return res;
752	}
753
754	if (argl >= MAX_ARG_LEN) {
755		/* argument is too long */
756		argl = MAX_ARG_LEN-1;
757	}
758
759	memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
760	memcpy(buf, arg, argl);
761	buf[argl] = '\0';
762
763	for (i = 0; i < MAX_ARG_COUNT; i++) {
764		tok = strsep(ap, ":");
765		if (tok == NULL) {
766			break;
767		}
768#if 0
769		else if (tok[0] == '\0') {
770			break;
771		}
772#endif
773		argv[i] = tok;
774		res++;
775	}
776
777	return res;
778}
779
780
781int
782required_arg(char c, char *arg)
783{
784	if ((optarg != NULL) && (*arg == '-')){
785		errmsg(0,"option %c requires an argument\n", c);
786		return -1;
787	}
788
789	return 0;
790}
791
792
793int
794is_empty_arg(char *arg)
795{
796	int ret = 1;
797	if (arg != NULL) {
798		if (*arg) ret = 0;
799	};
800	return ret;
801}
802
803
804int
805parse_opt_flags(char ch, char *arg)
806{
807	if (required_arg(ch, arg)) {
808		goto err_out;
809	}
810
811	if (str2u32(arg, &fw_header.flags) != 0) {
812		errmsg(0,"invalid firmware flags: %s", arg);
813		goto err_out;
814	}
815
816	dbgmsg(1, "firmware flags set to %X bytes", fw_header.flags);
817
818	return 0;
819
820err_out:
821	return -1;
822}
823
824
825int
826parse_opt_size(char ch, char *arg)
827{
828	if (required_arg(ch, arg)) {
829		goto err_out;
830	}
831
832	if (str2u32(arg, &flash_size) != 0) {
833		errmsg(0,"invalid flash size: %s", arg);
834		goto err_out;
835	}
836
837	dbgmsg(1, "flash size set to %d bytes", flash_size);
838
839	return 0;
840
841err_out:
842	return -1;
843}
844
845
846int
847parse_opt_id(char ch, char *arg)
848{
849	char buf[MAX_ARG_LEN];
850	char *argv[MAX_ARG_COUNT];
851	int argc;
852	char *p;
853
854	if (required_arg(ch, arg)) {
855		goto err_out;
856	}
857
858	argc = parse_arg(arg, buf, argv);
859
860	/* processing vendor ID*/
861	p = argv[0];
862	if (is_empty_arg(p)) {
863		errmsg(0,"vendor id is missing from -%c %s",ch, arg);
864		goto err_out;
865	} else if (str2u16(p, &fw_header.vid) != 0) {
866		errmsg(0,"invalid vendor id: %s", p);
867		goto err_out;
868	}
869
870	dbgmsg(1, "vendor id is set to 0x%04X", fw_header.vid);
871
872	/* processing device ID*/
873	p = argv[1];
874	if (is_empty_arg(p)) {
875		errmsg(0,"device id is missing from -%c %s",ch, arg);
876		goto err_out;
877	} else if (str2u16(p, &fw_header.did) != 0) {
878		errmsg(0,"invalid device id: %s", p);
879		goto err_out;
880	}
881
882	dbgmsg(1, "device id is set to 0x%04X", fw_header.did);
883
884	/* processing sub vendor ID*/
885	p = argv[2];
886	if (is_empty_arg(p)) {
887		fw_header.svid = fw_header.vid;
888	} else if (str2u16(p, &fw_header.svid) != 0) {
889		errmsg(0,"invalid sub vendor id: %s", p);
890		goto err_out;
891	}
892
893	dbgmsg(1, "sub vendor id is set to 0x%04X", fw_header.svid);
894
895	/* processing device ID*/
896	p = argv[3];
897	if (is_empty_arg(p)) {
898		fw_header.sdid = fw_header.did;
899	} else if (str2u16(p, &fw_header.sdid) != 0) {
900		errmsg(0,"invalid sub device id: %s", p);
901		goto err_out;
902	}
903
904	dbgmsg(1, "sub device id is set to 0x%04X", fw_header.sdid);
905
906	/* processing revision */
907	p = argv[4];
908	if (is_empty_arg(p)) {
909		fw_header.rev = 0;
910	} else if (str2u32(arg, &fw_header.rev) != 0) {
911		errmsg(0,"invalid revision number: %s", p);
912		goto err_out;
913	}
914
915	dbgmsg(1, "board revision is set to 0x%08X", fw_header.rev);
916
917	return 0;
918
919err_out:
920	return -1;
921}
922
923
924int
925parse_opt_block(char ch, char *arg)
926{
927	char buf[MAX_ARG_LEN];
928	char *argv[MAX_ARG_COUNT];
929	int argc;
930	struct fw_block *b;
931	char *p;
932
933	if (required_arg(ch, arg)) {
934		goto err_out;
935	}
936
937	if (fw_num_blocks >= MAX_FW_BLOCKS) {
938		errmsg(0,"too many blocks specified");
939		goto err_out;
940	}
941
942	argc = parse_arg(arg, buf, argv);
943	dbgmsg(1,"processing block option %s, count %d", arg, argc);
944
945	b = &fw_blocks[fw_num_blocks++];
946
947	/* processing block address */
948	p = argv[0];
949	if (is_empty_arg(p)) {
950		errmsg(0,"no block address specified in %s", arg);
951		goto err_out;
952	} else if (str2u32(p, &b->addr) != 0) {
953		errmsg(0,"invalid block address: %s", p);
954		goto err_out;
955	}
956
957	/* processing block length */
958	p = argv[1];
959	if (is_empty_arg(p)) {
960		errmsg(0,"no block length specified in %s", arg);
961		goto err_out;
962	} else if (str2u32(p, &b->blocklen) != 0) {
963		errmsg(0,"invalid block length: %s", p);
964		goto err_out;
965	}
966
967	if (argc < 3) {
968		dbgmsg(1,"empty block %s", arg);
969		goto success;
970	}
971
972	/* processing flags */
973	p = argv[2];
974	if (is_empty_arg(p) == 0) {
975		for ( ; *p != '\0'; p++) {
976			switch (*p) {
977			case 'h':
978				b->flags |= BLOCK_FLAG_HAVEHDR;
979				break;
980			default:
981				errmsg(0, "invalid block flag \"%c\"", *p);
982				goto err_out;
983			}
984		}
985	}
986
987	/* processing file name */
988	p = argv[3];
989	if (is_empty_arg(p)) {
990		errmsg(0,"file name missing in %s", arg);
991		goto err_out;
992	}
993
994	b->name = strdup(p);
995	if (b->name == NULL) {
996		errmsg(0,"not enough memory");
997		goto err_out;
998	}
999
1000success:
1001
1002	return 0;
1003
1004err_out:
1005	return -1;
1006}
1007
1008
1009int
1010parse_opt_partition(char ch, char *arg)
1011{
1012	char buf[MAX_ARG_LEN];
1013	char *argv[MAX_ARG_COUNT];
1014	int argc;
1015	char *p;
1016	struct mylo_partition *part;
1017	struct fw_part *fp;
1018
1019	if (required_arg(ch, arg)) {
1020		goto err_out;
1021	}
1022
1023	if (fw_num_partitions >= MYLO_MAX_PARTITIONS) {
1024		errmsg(0, "too many partitions specified");
1025		goto err_out;
1026	}
1027
1028	fp = &fw_parts[fw_num_partitions++];
1029	part = &fp->mylo;
1030
1031	argc = parse_arg(arg, buf, argv);
1032
1033	/* processing partition address */
1034	p = argv[0];
1035	if (is_empty_arg(p)) {
1036		errmsg(0,"partition address missing in -%c %s",ch, arg);
1037		goto err_out;
1038	} else if (str2u32(p, &part->addr) != 0) {
1039		errmsg(0,"invalid partition address: %s", p);
1040		goto err_out;
1041	}
1042
1043	/* processing partition size */
1044	p = argv[1];
1045	if (is_empty_arg(p)) {
1046		errmsg(0,"partition size missing in -%c %s",ch, arg);
1047		goto err_out;
1048	} else if (str2u32(p, &part->size) != 0) {
1049		errmsg(0,"invalid partition size: %s", p);
1050		goto err_out;
1051	}
1052
1053	/* processing partition flags */
1054	p = argv[2];
1055	if (is_empty_arg(p) == 0) {
1056		for ( ; *p != '\0'; p++) {
1057			switch (*p) {
1058			case 'a':
1059				part->flags |= PARTITION_FLAG_ACTIVE;
1060				break;
1061			case 'p':
1062				part->flags |= PARTITION_FLAG_PRELOAD;
1063				break;
1064			case 'l':
1065				part->flags |= PARTITION_FLAG_LZMA;
1066				break;
1067			case 'h':
1068				part->flags |= PARTITION_FLAG_HAVEHDR;
1069				break;
1070			default:
1071				errmsg(0, "invalid partition flag \"%c\"", *p);
1072				goto err_out;
1073			}
1074		}
1075	}
1076
1077	/* processing partition parameter */
1078	p = argv[3];
1079	if (is_empty_arg(p)) {
1080		/* set default partition parameter */
1081		part->param = 0;
1082	} else if (str2u32(p, &part->param) != 0) {
1083		errmsg(0,"invalid partition parameter: %s", p);
1084		goto err_out;
1085	}
1086
1087	p = argv[4];
1088	if (is_empty_arg(p)) {
1089		/* set default partition parameter */
1090		fp->name[0] = '\0';
1091	} else {
1092		strncpy(fp->name, p, PART_NAME_LEN);
1093	}
1094
1095#if 1
1096	if (part->size == 0) {
1097		part->size = flash_size - part->addr;
1098	}
1099
1100	/* processing file parameter */
1101	p = argv[5];
1102	if (is_empty_arg(p) == 0) {
1103		struct fw_block *b;
1104
1105		if (fw_num_blocks == MAX_FW_BLOCKS) {
1106			errmsg(0,"too many blocks specified", p);
1107			goto err_out;
1108		}
1109		b = &fw_blocks[fw_num_blocks++];
1110		b->name = strdup(p);
1111		b->addr = part->addr;
1112		b->blocklen = part->size;
1113		if (part->flags & PARTITION_FLAG_HAVEHDR) {
1114			b->flags |= BLOCK_FLAG_HAVEHDR;
1115		}
1116	}
1117#endif
1118
1119	return 0;
1120
1121err_out:
1122	return -1;
1123}
1124
1125
1126int
1127parse_opt_board(char ch, char *arg)
1128{
1129	if (required_arg(ch, arg)) {
1130		goto err_out;
1131	}
1132
1133	board = find_board(arg);
1134	if (board == NULL){
1135		errmsg(0,"invalid/unknown board specified: %s", arg);
1136		goto err_out;
1137	}
1138
1139	fw_header.vid = board->vid;
1140	fw_header.did = board->did;
1141	fw_header.svid = board->svid;
1142	fw_header.sdid = board->sdid;
1143
1144	flash_size = board->flash_size;
1145
1146	return 0;
1147
1148err_out:
1149	return -1;
1150}
1151
1152
1153int
1154parse_opt_rev(char ch, char *arg)
1155{
1156	if (required_arg(ch, arg)) {
1157		return -1;
1158	}
1159
1160	if (str2u32(arg, &fw_header.rev) != 0) {
1161		errmsg(0,"invalid revision number: %s", arg);
1162		return -1;
1163	}
1164
1165	return 0;
1166}
1167
1168
1169/*
1170 * main
1171 */
1172int
1173main(int argc, char *argv[])
1174{
1175	int optinvalid = 0;   /* flag for invalid option */
1176	int c;
1177	int res = EXIT_FAILURE;
1178
1179	FILE  *outfile;
1180	uint32_t crc;
1181
1182	progname=basename(argv[0]);
1183
1184	memset(&fw_header, 0, sizeof(fw_header));
1185
1186	/* init header defaults */
1187	fw_header.vid = VENID_COMPEX;
1188	fw_header.did = DEVID_COMPEX_WP54G;
1189	fw_header.svid = VENID_COMPEX;
1190	fw_header.sdid = DEVID_COMPEX_WP54G;
1191	fw_header.fwhi = 0x20000;
1192	fw_header.fwlo = 0x20000;
1193	fw_header.flags = 0;
1194
1195	opterr = 0;  /* could not print standard getopt error messages */
1196	while ((c = getopt(argc, argv, "b:B:f:hi:p:r:s:v")) != -1) {
1197		optinvalid = 0;
1198		switch (c) {
1199		case 'b':
1200			optinvalid = parse_opt_block(c,optarg);
1201			break;
1202		case 'B':
1203			optinvalid = parse_opt_board(c,optarg);
1204			break;
1205		case 'f':
1206			optinvalid = parse_opt_flags(c,optarg);
1207			break;
1208		case 'h':
1209			usage(EXIT_SUCCESS);
1210			break;
1211		case 'i':
1212			optinvalid = parse_opt_id(c,optarg);
1213			break;
1214		case 'p':
1215			optinvalid = parse_opt_partition(c,optarg);
1216			break;
1217		case 'r':
1218			optinvalid = parse_opt_rev(c,optarg);
1219			break;
1220		case 's':
1221			optinvalid = parse_opt_size(c,optarg);
1222			break;
1223		case 'v':
1224			verblevel++;
1225			break;
1226		default:
1227			optinvalid = 1;
1228			break;
1229		}
1230		if (optinvalid != 0 ){
1231			errmsg(0, "invalid option: -%c", optopt);
1232			goto out;
1233		}
1234	}
1235
1236	if (optind == argc) {
1237		errmsg(0, "no output file specified");
1238		goto out;
1239	}
1240
1241	ofname = argv[optind++];
1242
1243	if (optind < argc) {
1244		errmsg(0, "invalid option: %s", argv[optind]);
1245		goto out;
1246	}
1247
1248	if (!board) {
1249		errmsg(0, "no board specified");
1250		goto out;
1251	}
1252
1253	if (flash_size == 0) {
1254		errmsg(0, "no flash size specified");
1255		goto out;
1256	}
1257
1258	if (process_files() != 0) {
1259		goto out;
1260	}
1261
1262	if (process_partitions() != 0) {
1263		goto out;
1264	}
1265
1266	outfile = fopen(ofname, "w");
1267	if (outfile == NULL) {
1268		errmsg(1, "could not open \"%s\" for writing", ofname);
1269		goto out;
1270	}
1271
1272	crc = 0;
1273	init_crc_table();
1274
1275	if (write_out_header(outfile, &crc) != 0)
1276		goto out_flush;
1277
1278	if (write_out_blocks(outfile, &crc) != 0)
1279		goto out_flush;
1280
1281	fw_header.crc = crc;
1282	if (write_out_header(outfile, NULL) != 0)
1283		goto out_flush;
1284
1285	dbgmsg(1,"Firmware file %s completed.", ofname);
1286
1287	res = EXIT_SUCCESS;
1288
1289out_flush:
1290	fflush(outfile);
1291	fclose(outfile);
1292	if (res != EXIT_SUCCESS) {
1293		unlink(ofname);
1294	}
1295out:
1296	return res;
1297}
1298