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Sources/firmware-utils/src/mkmylofw.c

  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  *  Copyright (C) 2006-2008 Gabor Juhos <juhosg@openwrt.org>
  4  */
  5 
  6 #include <stdio.h>
  7 #include <stdlib.h>
  8 #include <stdint.h>
  9 #include <string.h>
 10 #include <unistd.h>     /* for unlink() */
 11 #include <libgen.h>
 12 #include <getopt.h>     /* for getopt() */
 13 #include <stdarg.h>
 14 #include <errno.h>
 15 #include <sys/stat.h>
 16 #include <endian.h>     /* for __BYTE_ORDER */
 17 #include <byteswap.h>
 18 
 19 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
 20 #  define HOST_TO_LE16(x)       (x)
 21 #  define HOST_TO_LE32(x)       (x)
 22 #else
 23 #  define HOST_TO_LE16(x)       bswap_16(x)
 24 #  define HOST_TO_LE32(x)       bswap_32(x)
 25 #endif
 26 
 27 #include "myloader.h"
 28 
 29 #define MAX_FW_BLOCKS   32
 30 #define MAX_ARG_COUNT   32
 31 #define MAX_ARG_LEN     1024
 32 #define FILE_BUF_LEN    (16*1024)
 33 #define PART_NAME_LEN   32
 34 
 35 struct fw_block {
 36         uint32_t        addr;
 37         uint32_t        blocklen; /* length of the block */
 38         uint32_t        flags;
 39 
 40         char            *name;  /* name of the file */
 41         uint32_t        size;   /* length of the file */
 42         uint32_t        crc;    /* crc value of the file */
 43 };
 44 
 45 struct fw_part {
 46         struct mylo_partition   mylo;
 47         char                    name[PART_NAME_LEN];
 48 };
 49 
 50 #define BLOCK_FLAG_HAVEHDR    0x0001
 51 
 52 struct cpx_board {
 53         char            *model; /* model number*/
 54         char            *name;  /* model name*/
 55         char            *desc;  /* description */
 56         uint16_t        vid;    /* vendor id */
 57         uint16_t        did;    /* device id */
 58         uint16_t        svid;   /* sub vendor id */
 59         uint16_t        sdid;   /* sub device id */
 60         uint32_t        flash_size;     /* size of flash */
 61         uint32_t        part_offset;    /* offset of the partition_table */
 62         uint32_t        part_size;      /* size of the partition_table */
 63 };
 64 
 65 #define BOARD(_vid, _did, _svid, _sdid, _flash, _mod, _name, _desc, _po, _ps) {         \
 66         .model = _mod, .name = _name, .desc = _desc,                    \
 67         .vid = _vid, .did = _did, .svid = _svid, .sdid = _sdid,         \
 68         .flash_size = (_flash << 20),                                   \
 69         .part_offset = _po, .part_size = _ps }
 70 
 71 #define CPX_BOARD(_did, _flash, _mod, _name, _desc, _po, _ps) \
 72         BOARD(VENID_COMPEX, _did, VENID_COMPEX, _did, _flash, _mod, _name, _desc, _po, _ps)
 73 
 74 #define CPX_BOARD_ADM(_did, _flash, _mod, _name, _desc) \
 75         CPX_BOARD(_did, _flash, _mod, _name, _desc, 0x10000, 0x10000)
 76 
 77 #define CPX_BOARD_AR71XX(_did, _flash, _mod, _name, _desc) \
 78         CPX_BOARD(_did, _flash, _mod, _name, _desc, 0x20000, 0x8000)
 79 
 80 #define CPX_BOARD_AR23XX(_did, _flash, _mod, _name, _desc) \
 81         CPX_BOARD(_did, _flash, _mod, _name, _desc, 0x10000, 0x10000)
 82 
 83 #define ALIGN(x,y)      (((x)+((y)-1)) & ~((y)-1))
 84 
 85 char    *progname;
 86 char    *ofname = NULL;
 87 
 88 uint32_t flash_size = 0;
 89 int     fw_num_partitions = 0;
 90 int     fw_num_blocks = 0;
 91 int     verblevel = 0;
 92 
 93 struct mylo_fw_header fw_header;
 94 struct fw_part fw_parts[MYLO_MAX_PARTITIONS];
 95 struct fw_block fw_blocks[MAX_FW_BLOCKS];
 96 struct cpx_board *board;
 97 
 98 struct cpx_board boards[] = {
 99         CPX_BOARD_ADM(DEVID_COMPEX_NP18A, 4,
100                 "NP18A", "Compex NetPassage 18A",
101                 "Dualband Wireless A+G Internet Gateway"),
102         CPX_BOARD_ADM(DEVID_COMPEX_NP26G8M, 2,
103                 "NP26G8M", "Compex NetPassage 26G (8M)",
104                 "Wireless-G Broadband Multimedia Gateway"),
105         CPX_BOARD_ADM(DEVID_COMPEX_NP26G16M, 4,
106                 "NP26G16M", "Compex NetPassage 26G (16M)",
107                 "Wireless-G Broadband Multimedia Gateway"),
108         CPX_BOARD_ADM(DEVID_COMPEX_NP27G, 4,
109                 "NP27G", "Compex NetPassage 27G",
110                 "Wireless-G 54Mbps eXtended Range Router"),
111         CPX_BOARD_ADM(DEVID_COMPEX_NP28G, 4,
112                 "NP28G", "Compex NetPassage 28G",
113                 "Wireless 108Mbps Super-G XR Multimedia Router with 4 USB Ports"),
114         CPX_BOARD_ADM(DEVID_COMPEX_NP28GHS, 4,
115                 "NP28GHS", "Compex NetPassage 28G (HotSpot)",
116                 "HotSpot Solution"),
117         CPX_BOARD_ADM(DEVID_COMPEX_WP18, 4,
118                 "WP18", "Compex NetPassage WP18",
119                 "Wireless-G 54Mbps A+G Dualband Access Point"),
120         CPX_BOARD_ADM(DEVID_COMPEX_WP54G, 4,
121                 "WP54G", "Compex WP54G",
122                 "Wireless-G 54Mbps XR Access Point"),
123         CPX_BOARD_ADM(DEVID_COMPEX_WP54Gv1C, 2,
124                 "WP54Gv1C", "Compex WP54G rev.1C",
125                 "Wireless-G 54Mbps XR Access Point"),
126         CPX_BOARD_ADM(DEVID_COMPEX_WP54AG, 4,
127                 "WP54AG", "Compex WP54AG",
128                 "Wireless-AG 54Mbps XR Access Point"),
129         CPX_BOARD_ADM(DEVID_COMPEX_WPP54G, 4,
130                 "WPP54G", "Compex WPP54G",
131                 "Outdoor Access Point"),
132         CPX_BOARD_ADM(DEVID_COMPEX_WPP54AG, 4,
133                 "WPP54AG", "Compex WPP54AG",
134                 "Outdoor Access Point"),
135 
136         CPX_BOARD_AR71XX(DEVID_COMPEX_WP543, 2,
137                 "WP543", "Compex WP543",
138                 "BareBoard"),
139         CPX_BOARD_AR71XX(DEVID_COMPEX_WPE72, 8,
140                 "WPE72", "Compex WPE72",
141                 "BareBoard"),
142 
143         CPX_BOARD_AR23XX(DEVID_COMPEX_NP25G, 4,
144                 "NP25G", "Compex NetPassage 25G",
145                 "Wireless 54Mbps XR Router"),
146         CPX_BOARD_AR23XX(DEVID_COMPEX_WPE53G, 4,
147                 "WPE53G", "Compex NetPassage 25G",
148                 "Wireless 54Mbps XR Access Point"),
149         {.model = NULL}
150 };
151 
152 void
153 errmsgv(int syserr, const char *fmt, va_list arg_ptr)
154 {
155         int save = errno;
156 
157         fflush(0);
158         fprintf(stderr, "[%s] Error: ", progname);
159         vfprintf(stderr, fmt, arg_ptr);
160         if (syserr != 0) {
161                 fprintf(stderr, ": %s", strerror(save));
162         }
163         fprintf(stderr, "\n");
164 }
165 
166 void
167 errmsg(int syserr, const char *fmt, ...)
168 {
169         va_list arg_ptr;
170         va_start(arg_ptr, fmt);
171         errmsgv(syserr, fmt, arg_ptr);
172         va_end(arg_ptr);
173 }
174 
175 void
176 dbgmsg(int level, const char *fmt, ...)
177 {
178         va_list arg_ptr;
179         if (verblevel >= level) {
180                 fflush(0);
181                 va_start(arg_ptr, fmt);
182                 vfprintf(stderr, fmt, arg_ptr);
183                 fprintf(stderr, "\n");
184                 va_end(arg_ptr);
185         }
186 }
187 
188 
189 void
190 usage(int status)
191 {
192         FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
193         struct cpx_board *board;
194 
195         fprintf(stream, "Usage: %s [OPTION...] <file>\n", progname);
196         fprintf(stream,
197 "\n"
198 "  <file>          write output to the <file>\n"
199 "\n"
200 "Options:\n"
201 "  -B <board>      create firmware for the board specified with <board>.\n"
202 "                  This option set vendor id, device id, subvendor id,\n"
203 "                  subdevice id, and flash size options to the right value.\n"
204 "                  valid <board> values:\n");
205         for (board = boards; board->model != NULL; board++){
206                 fprintf(stream,
207 "                      %-12s: %s\n",
208                  board->model, board->name);
209         };
210         fprintf(stream,
211 "  -i <vid>:<did>[:<svid>[:<sdid>]]\n"
212 "                  create firmware for board with vendor id <vid>, device\n"
213 "                  id <did>, subvendor id <svid> and subdevice id <sdid>.\n"
214 "  -r <rev>        set board revision to <rev>.\n"
215 "  -s <size>       set flash size to <size>\n"
216 "  -b <addr>:<len>[:[<flags>]:<file>]\n"
217 "                  define block at <addr> with length of <len>.\n"
218 "                  valid <flag> values:\n"
219 "                      h : add crc header before the file data.\n"
220 "  -p <addr>:<len>[:<flags>[:<param>[:<name>[:<file>]]]]\n"
221 "                  add partition at <addr>, with size of <len> to the\n"
222 "                  partition table, set partition name to <name>, partition \n"
223 "                  flags to <flags> and partition parameter to <param>.\n"
224 "                  If the <file> is specified content of the file will be \n"
225 "                  added to the firmware image.\n"
226 "                  valid <flag> values:\n"
227 "                      a:  this is the active partition. The bootloader loads\n"
228 "                          the firmware from this partition.\n"
229 "                      h:  the partition data have a header.\n"
230 "                      l:  the partition data uses LZMA compression.\n"
231 "                      p:  the bootloader loads data from this partition to\n"
232 "                          the RAM before decompress it.\n"
233 "  -h              show this screen\n"
234         );
235 
236         exit(status);
237 }
238 
239 /*
240  * Code to compute the CRC-32 table. Borrowed from
241  * gzip-1.0.3/makecrc.c.
242  */
243 
244 static uint32_t crc_32_tab[256];
245 
246 void
247 init_crc_table(void)
248 {
249         /* Not copyrighted 1990 Mark Adler      */
250 
251         uint32_t c;      /* crc shift register */
252         uint32_t e;      /* polynomial exclusive-or pattern */
253         int i;           /* counter for all possible eight bit values */
254         int k;           /* byte being shifted into crc apparatus */
255 
256         /* terms of polynomial defining this crc (except x^32): */
257         static const int p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
258 
259         /* Make exclusive-or pattern from polynomial */
260         e = 0;
261         for (i = 0; i < sizeof(p)/sizeof(int); i++)
262                 e |= 1L << (31 - p[i]);
263 
264         crc_32_tab[0] = 0;
265 
266         for (i = 1; i < 256; i++) {
267                 c = 0;
268                 for (k = i | 256; k != 1; k >>= 1) {
269                         c = c & 1 ? (c >> 1) ^ e : c >> 1;
270                         if (k & 1)
271                                 c ^= e;
272                 }
273                 crc_32_tab[i] = c;
274         }
275 }
276 
277 
278 void
279 update_crc(uint8_t *p, uint32_t len, uint32_t *crc)
280 {
281         uint32_t t;
282 
283         t = *crc ^ 0xFFFFFFFFUL;
284         while (len--) {
285                 t = crc_32_tab[(t ^ *p++) & 0xff] ^ (t >> 8);
286         }
287         *crc = t ^ 0xFFFFFFFFUL;
288 }
289 
290 
291 uint32_t
292 get_crc(uint8_t *p, uint32_t len)
293 {
294         uint32_t crc;
295 
296         crc = 0;
297         update_crc(p ,len , &crc);
298         return crc;
299 }
300 
301 
302 int
303 str2u32(char *arg, uint32_t *val)
304 {
305         char *err = NULL;
306         uint32_t t;
307 
308         errno=0;
309         t = strtoul(arg, &err, 0);
310         if (errno || (err==arg) || ((err != NULL) && *err)) {
311                 return -1;
312         }
313 
314         *val = t;
315         return 0;
316 }
317 
318 
319 int
320 str2u16(char *arg, uint16_t *val)
321 {
322         char *err = NULL;
323         uint32_t t;
324 
325         errno=0;
326         t = strtoul(arg, &err, 0);
327         if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
328                 return -1;
329         }
330 
331         *val = t & 0xFFFF;
332         return 0;
333 }
334 
335 
336 struct cpx_board *
337 find_board(char *model){
338         struct cpx_board *board;
339         struct cpx_board *tmp;
340 
341         board = NULL;
342         for (tmp = boards; tmp->model != NULL; tmp++){
343                 if (strcasecmp(model, tmp->model) == 0) {
344                         board = tmp;
345                         break;
346                 }
347         };
348 
349         return board;
350 }
351 
352 
353 int
354 get_file_crc(struct fw_block *ff)
355 {
356         FILE *f;
357         uint8_t buf[FILE_BUF_LEN];
358         uint32_t readlen = sizeof(buf);
359         int res = -1;
360         size_t len;
361 
362         if ((ff->flags & BLOCK_FLAG_HAVEHDR) == 0) {
363                 res = 0;
364                 goto out;
365         }
366 
367         errno = 0;
368         f = fopen(ff->name,"r");
369         if (errno) {
370                 errmsg(1,"unable to open file %s", ff->name);
371                 goto out;
372         }
373 
374         ff->crc = 0;
375         len = ff->size;
376         while (len > 0) {
377                 if (len < readlen)
378                         readlen = len;
379 
380                 errno = 0;
381                 fread(buf, readlen, 1, f);
382                 if (errno) {
383                         errmsg(1,"unable to read from file %s", ff->name);
384                         goto out_close;
385                 }
386 
387                 update_crc(buf, readlen, &ff->crc);
388                 len -= readlen;
389         }
390 
391         res = 0;
392 
393 out_close:
394         fclose(f);
395 out:
396         return res;
397 }
398 
399 
400 int
401 process_files(void)
402 {
403         struct fw_block *b;
404         struct stat st;
405         int i;
406 
407         for (i = 0; i < fw_num_blocks; i++) {
408                 b = &fw_blocks[i];
409                 if ((b->addr + b->blocklen) > flash_size) {
410                         errmsg(0, "block at 0x%08X is too big", b->addr);
411                         return -1;
412                 }
413                 if (b->name == NULL)
414                         continue;
415 
416                 if (stat(b->name, &st) < 0) {
417                         errmsg(0, "stat failed on %s",b->name);
418                         return -1;
419                 }
420                 if (b->blocklen == 0) {
421                         b->blocklen = flash_size - b->addr;
422                 }
423                 if (st.st_size > b->blocklen) {
424                         errmsg(0,"file %s is too big",b->name);
425                         return -1;
426                 }
427 
428                 b->size = st.st_size;
429         }
430 
431         return 0;
432 }
433 
434 
435 int
436 process_partitions(void)
437 {
438         struct mylo_partition *part;
439         int i;
440 
441         for (i = 0; i < fw_num_partitions; i++) {
442                 part = &fw_parts[i].mylo;
443 
444                 if (part->addr > flash_size) {
445                         errmsg(0, "invalid partition at 0x%08X", part->addr);
446                         return -1;
447                 }
448 
449                 if ((part->addr + part->size) > flash_size) {
450                         errmsg(0, "partition at 0x%08X is too big", part->addr);
451                         return -1;
452                 }
453         }
454 
455         return 0;
456 }
457 
458 
459 /*
460  * routines to write data to the output file
461  */
462 int
463 write_out_data(FILE *outfile, void *data, size_t len, uint32_t *crc)
464 {
465         uint8_t *ptr = data;
466 
467         errno = 0;
468 
469         fwrite(ptr, len, 1, outfile);
470         if (errno) {
471                 errmsg(1,"unable to write output file");
472                 return -1;
473         }
474 
475         if (crc) {
476                 update_crc(ptr, len, crc);
477         }
478 
479         return 0;
480 }
481 
482 
483 int
484 write_out_desc(FILE *outfile, struct mylo_fw_blockdesc *desc, uint32_t *crc)
485 {
486         return write_out_data(outfile, (uint8_t *)desc,
487                 sizeof(*desc), crc);
488 }
489 
490 
491 int
492 write_out_padding(FILE *outfile, size_t len, uint8_t padc, uint32_t *crc)
493 {
494         uint8_t buff[512];
495         size_t  buflen = sizeof(buff);
496 
497         memset(buff, padc, buflen);
498 
499         while (len > 0) {
500                 if (len < buflen)
501                         buflen = len;
502 
503                 if (write_out_data(outfile, buff, buflen, crc))
504                         return -1;
505 
506                 len -= buflen;
507         }
508 
509         return 0;
510 }
511 
512 
513 int
514 write_out_file(FILE *outfile, struct fw_block *block, uint32_t *crc)
515 {
516         char buff[FILE_BUF_LEN];
517         size_t  buflen = sizeof(buff);
518         FILE *f;
519         size_t len;
520 
521         errno = 0;
522 
523         if (block->name == NULL) {
524                 return 0;
525         }
526 
527         if ((block->flags & BLOCK_FLAG_HAVEHDR) != 0) {
528                 struct mylo_partition_header ph;
529 
530                 if (get_file_crc(block) != 0)
531                         return -1;
532 
533                 ph.crc = HOST_TO_LE32(block->crc);
534                 ph.len = HOST_TO_LE32(block->size);
535 
536                 if (write_out_data(outfile, (uint8_t *)&ph, sizeof(ph), crc) != 0)
537                         return -1;
538         }
539 
540         f = fopen(block->name,"r");
541         if (errno) {
542                 errmsg(1,"unable to open file: %s", block->name);
543                 return -1;
544         }
545 
546         len = block->size;
547         while (len > 0) {
548                 if (len < buflen)
549                         buflen = len;
550 
551                 /* read data from source file */
552                 errno = 0;
553                 fread(buff, buflen, 1, f);
554                 if (errno != 0) {
555                         errmsg(1,"unable to read from file: %s",block->name);
556                         return -1;
557                 }
558 
559                 if (write_out_data(outfile, buff, buflen, crc) != 0)
560                         return -1;
561 
562                 len -= buflen;
563         }
564 
565         fclose(f);
566 
567         /* align next block on a 4 byte boundary */
568         len = block->size % 4;
569         if (write_out_padding(outfile, len, 0xFF, crc))
570                 return -1;
571 
572         dbgmsg(1,"file %s written out", block->name);
573         return 0;
574 }
575 
576 
577 int
578 write_out_header(FILE *outfile, uint32_t *crc)
579 {
580         struct mylo_fw_header hdr;
581 
582         memset(&hdr, 0, sizeof(hdr));
583 
584         hdr.magic = HOST_TO_LE32(MYLO_MAGIC_FIRMWARE);
585         hdr.crc = HOST_TO_LE32(fw_header.crc);
586         hdr.vid = HOST_TO_LE16(fw_header.vid);
587         hdr.did = HOST_TO_LE16(fw_header.did);
588         hdr.svid = HOST_TO_LE16(fw_header.svid);
589         hdr.sdid = HOST_TO_LE16(fw_header.sdid);
590         hdr.rev = HOST_TO_LE32(fw_header.rev);
591         hdr.fwhi = HOST_TO_LE32(fw_header.fwhi);
592         hdr.fwlo = HOST_TO_LE32(fw_header.fwlo);
593         hdr.flags = HOST_TO_LE32(fw_header.flags);
594 
595         if (fseek(outfile, 0, SEEK_SET) != 0) {
596                 errmsg(1,"fseek failed on output file");
597                 return -1;
598         }
599 
600         return write_out_data(outfile, (uint8_t *)&hdr, sizeof(hdr), crc);
601 }
602 
603 
604 int
605 write_out_partitions(FILE *outfile, uint32_t *crc)
606 {
607         struct mylo_partition_table p;
608         char part_names[MYLO_MAX_PARTITIONS][PART_NAME_LEN];
609         int ret;
610         int i;
611 
612         if (fw_num_partitions == 0)
613                 return 0;
614 
615         memset(&p, 0, sizeof(p));
616         memset(part_names, 0, sizeof(part_names));
617 
618         p.magic = HOST_TO_LE32(MYLO_MAGIC_PARTITIONS);
619         for (i = 0; i < fw_num_partitions; i++) {
620                 struct mylo_partition *mp;
621                 struct fw_part *fp;
622 
623                 mp = &p.partitions[i];
624                 fp = &fw_parts[i];
625                 mp->flags = HOST_TO_LE16(fp->mylo.flags);
626                 mp->type = HOST_TO_LE16(PARTITION_TYPE_USED);
627                 mp->addr = HOST_TO_LE32(fp->mylo.addr);
628                 mp->size = HOST_TO_LE32(fp->mylo.size);
629                 mp->param = HOST_TO_LE32(fp->mylo.param);
630 
631                 memcpy(part_names[i], fp->name, PART_NAME_LEN);
632         }
633 
634         ret = write_out_data(outfile, (uint8_t *)&p, sizeof(p), crc);
635         if (ret)
636                 return ret;
637 
638         ret = write_out_data(outfile, (uint8_t *)part_names, sizeof(part_names),
639                                 crc);
640         return ret;
641 }
642 
643 
644 int
645 write_out_blocks(FILE *outfile, uint32_t *crc)
646 {
647         struct mylo_fw_blockdesc desc;
648         struct fw_block *b;
649         uint32_t dlen;
650         int i;
651 
652         /*
653          * if at least one partition specified, write out block descriptor
654          * for the partition table
655          */
656         if (fw_num_partitions > 0) {
657                 desc.type = HOST_TO_LE32(FW_DESC_TYPE_USED);
658                 desc.addr = HOST_TO_LE32(board->part_offset);
659                 desc.dlen = HOST_TO_LE32(sizeof(struct mylo_partition_table) +
660                                         (MYLO_MAX_PARTITIONS * PART_NAME_LEN));
661                 desc.blen = HOST_TO_LE32(board->part_size);
662 
663                 if (write_out_desc(outfile, &desc, crc) != 0)
664                         return -1;
665         }
666 
667         /*
668          * write out block descriptors for each files
669          */
670         for (i = 0; i < fw_num_blocks; i++) {
671                 b = &fw_blocks[i];
672 
673                 /* detect block size */
674                 dlen = b->size;
675                 if ((b->flags & BLOCK_FLAG_HAVEHDR) != 0) {
676                         dlen += sizeof(struct mylo_partition_header);
677                 }
678 
679                 /* round up to 4 bytes */
680                 dlen = ALIGN(dlen, 4);
681 
682                 /* setup the descriptor */
683                 desc.type = HOST_TO_LE32(FW_DESC_TYPE_USED);
684                 desc.addr = HOST_TO_LE32(b->addr);
685                 desc.dlen = HOST_TO_LE32(dlen);
686                 desc.blen = HOST_TO_LE32(b->blocklen);
687 
688                 if (write_out_desc(outfile, &desc, crc) != 0)
689                         return -1;
690         }
691 
692         /*
693          * write out the null block descriptor
694          */
695         memset(&desc, 0, sizeof(desc));
696         if (write_out_desc(outfile, &desc, crc) != 0)
697                 return -1;
698 
699         if (write_out_partitions(outfile, crc) != 0)
700                 return -1;
701 
702         /*
703          * write out data for each blocks
704          */
705         for (i = 0; i < fw_num_blocks; i++) {
706                 b = &fw_blocks[i];
707                 if (write_out_file(outfile, b, crc) != 0)
708                         return -1;
709         }
710 
711         return 0;
712 }
713 
714 
715 /*
716  * argument parsing
717  */
718 int
719 parse_arg(char *arg, char *buf, char *argv[])
720 {
721         int res = 0;
722         size_t argl;
723         char *tok;
724         char **ap = &buf;
725         int i;
726 
727         if ((arg == NULL)) {
728                 /* invalid argument string */
729                 return -1;
730         }
731 
732         argl = strlen(arg);
733         if (argl == 0) {
734                 /* no arguments */
735                 return res;
736         }
737 
738         if (argl >= MAX_ARG_LEN) {
739                 /* argument is too long */
740                 argl = MAX_ARG_LEN-1;
741         }
742 
743         memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
744         memcpy(buf, arg, argl);
745         buf[argl] = '\0';
746 
747         for (i = 0; i < MAX_ARG_COUNT; i++) {
748                 tok = strsep(ap, ":");
749                 if (tok == NULL) {
750                         break;
751                 }
752 #if 0
753                 else if (tok[0] == '\0') {
754                         break;
755                 }
756 #endif
757                 argv[i] = tok;
758                 res++;
759         }
760 
761         return res;
762 }
763 
764 
765 int
766 required_arg(char c, char *arg)
767 {
768         if ((optarg != NULL) && (*arg == '-')){
769                 errmsg(0,"option %c requires an argument\n", c);
770                 return -1;
771         }
772 
773         return 0;
774 }
775 
776 
777 int
778 is_empty_arg(char *arg)
779 {
780         int ret = 1;
781         if (arg != NULL) {
782                 if (*arg) ret = 0;
783         };
784         return ret;
785 }
786 
787 
788 int
789 parse_opt_flags(char ch, char *arg)
790 {
791         if (required_arg(ch, arg)) {
792                 goto err_out;
793         }
794 
795         if (str2u32(arg, &fw_header.flags) != 0) {
796                 errmsg(0,"invalid firmware flags: %s", arg);
797                 goto err_out;
798         }
799 
800         dbgmsg(1, "firmware flags set to %X bytes", fw_header.flags);
801 
802         return 0;
803 
804 err_out:
805         return -1;
806 }
807 
808 
809 int
810 parse_opt_size(char ch, char *arg)
811 {
812         if (required_arg(ch, arg)) {
813                 goto err_out;
814         }
815 
816         if (str2u32(arg, &flash_size) != 0) {
817                 errmsg(0,"invalid flash size: %s", arg);
818                 goto err_out;
819         }
820 
821         dbgmsg(1, "flash size set to %d bytes", flash_size);
822 
823         return 0;
824 
825 err_out:
826         return -1;
827 }
828 
829 
830 int
831 parse_opt_id(char ch, char *arg)
832 {
833         char buf[MAX_ARG_LEN];
834         char *argv[MAX_ARG_COUNT];
835         char *p;
836 
837         if (required_arg(ch, arg)) {
838                 goto err_out;
839         }
840 
841         parse_arg(arg, buf, argv);
842 
843         /* processing vendor ID*/
844         p = argv[0];
845         if (is_empty_arg(p)) {
846                 errmsg(0,"vendor id is missing from -%c %s",ch, arg);
847                 goto err_out;
848         } else if (str2u16(p, &fw_header.vid) != 0) {
849                 errmsg(0,"invalid vendor id: %s", p);
850                 goto err_out;
851         }
852 
853         dbgmsg(1, "vendor id is set to 0x%04X", fw_header.vid);
854 
855         /* processing device ID*/
856         p = argv[1];
857         if (is_empty_arg(p)) {
858                 errmsg(0,"device id is missing from -%c %s",ch, arg);
859                 goto err_out;
860         } else if (str2u16(p, &fw_header.did) != 0) {
861                 errmsg(0,"invalid device id: %s", p);
862                 goto err_out;
863         }
864 
865         dbgmsg(1, "device id is set to 0x%04X", fw_header.did);
866 
867         /* processing sub vendor ID*/
868         p = argv[2];
869         if (is_empty_arg(p)) {
870                 fw_header.svid = fw_header.vid;
871         } else if (str2u16(p, &fw_header.svid) != 0) {
872                 errmsg(0,"invalid sub vendor id: %s", p);
873                 goto err_out;
874         }
875 
876         dbgmsg(1, "sub vendor id is set to 0x%04X", fw_header.svid);
877 
878         /* processing device ID*/
879         p = argv[3];
880         if (is_empty_arg(p)) {
881                 fw_header.sdid = fw_header.did;
882         } else if (str2u16(p, &fw_header.sdid) != 0) {
883                 errmsg(0,"invalid sub device id: %s", p);
884                 goto err_out;
885         }
886 
887         dbgmsg(1, "sub device id is set to 0x%04X", fw_header.sdid);
888 
889         /* processing revision */
890         p = argv[4];
891         if (is_empty_arg(p)) {
892                 fw_header.rev = 0;
893         } else if (str2u32(arg, &fw_header.rev) != 0) {
894                 errmsg(0,"invalid revision number: %s", p);
895                 goto err_out;
896         }
897 
898         dbgmsg(1, "board revision is set to 0x%08X", fw_header.rev);
899 
900         return 0;
901 
902 err_out:
903         return -1;
904 }
905 
906 
907 int
908 parse_opt_block(char ch, char *arg)
909 {
910         char buf[MAX_ARG_LEN];
911         char *argv[MAX_ARG_COUNT];
912         int argc;
913         struct fw_block *b;
914         char *p;
915 
916         if (required_arg(ch, arg)) {
917                 goto err_out;
918         }
919 
920         if (fw_num_blocks >= MAX_FW_BLOCKS) {
921                 errmsg(0,"too many blocks specified");
922                 goto err_out;
923         }
924 
925         argc = parse_arg(arg, buf, argv);
926         dbgmsg(1,"processing block option %s, count %d", arg, argc);
927 
928         b = &fw_blocks[fw_num_blocks++];
929 
930         /* processing block address */
931         p = argv[0];
932         if (is_empty_arg(p)) {
933                 errmsg(0,"no block address specified in %s", arg);
934                 goto err_out;
935         } else if (str2u32(p, &b->addr) != 0) {
936                 errmsg(0,"invalid block address: %s", p);
937                 goto err_out;
938         }
939 
940         /* processing block length */
941         p = argv[1];
942         if (is_empty_arg(p)) {
943                 errmsg(0,"no block length specified in %s", arg);
944                 goto err_out;
945         } else if (str2u32(p, &b->blocklen) != 0) {
946                 errmsg(0,"invalid block length: %s", p);
947                 goto err_out;
948         }
949 
950         if (argc < 3) {
951                 dbgmsg(1,"empty block %s", arg);
952                 goto success;
953         }
954 
955         /* processing flags */
956         p = argv[2];
957         if (is_empty_arg(p) == 0) {
958                 for ( ; *p != '\0'; p++) {
959                         switch (*p) {
960                         case 'h':
961                                 b->flags |= BLOCK_FLAG_HAVEHDR;
962                                 break;
963                         default:
964                                 errmsg(0, "invalid block flag \"%c\"", *p);
965                                 goto err_out;
966                         }
967                 }
968         }
969 
970         /* processing file name */
971         p = argv[3];
972         if (is_empty_arg(p)) {
973                 errmsg(0,"file name missing in %s", arg);
974                 goto err_out;
975         }
976 
977         b->name = strdup(p);
978         if (b->name == NULL) {
979                 errmsg(0,"not enough memory");
980                 goto err_out;
981         }
982 
983 success:
984 
985         return 0;
986 
987 err_out:
988         return -1;
989 }
990 
991 
992 int
993 parse_opt_partition(char ch, char *arg)
994 {
995         char buf[MAX_ARG_LEN];
996         char *argv[MAX_ARG_COUNT];
997         char *p;
998         struct mylo_partition *part;
999         struct fw_part *fp;
1000 
1001         if (required_arg(ch, arg)) {
1002                 goto err_out;
1003         }
1004 
1005         if (fw_num_partitions >= MYLO_MAX_PARTITIONS) {
1006                 errmsg(0, "too many partitions specified");
1007                 goto err_out;
1008         }
1009 
1010         fp = &fw_parts[fw_num_partitions++];
1011         part = &fp->mylo;
1012 
1013         parse_arg(arg, buf, argv);
1014 
1015         /* processing partition address */
1016         p = argv[0];
1017         if (is_empty_arg(p)) {
1018                 errmsg(0,"partition address missing in -%c %s",ch, arg);
1019                 goto err_out;
1020         } else if (str2u32(p, &part->addr) != 0) {
1021                 errmsg(0,"invalid partition address: %s", p);
1022                 goto err_out;
1023         }
1024 
1025         /* processing partition size */
1026         p = argv[1];
1027         if (is_empty_arg(p)) {
1028                 errmsg(0,"partition size missing in -%c %s",ch, arg);
1029                 goto err_out;
1030         } else if (str2u32(p, &part->size) != 0) {
1031                 errmsg(0,"invalid partition size: %s", p);
1032                 goto err_out;
1033         }
1034 
1035         /* processing partition flags */
1036         p = argv[2];
1037         if (is_empty_arg(p) == 0) {
1038                 for ( ; *p != '\0'; p++) {
1039                         switch (*p) {
1040                         case 'a':
1041                                 part->flags |= PARTITION_FLAG_ACTIVE;
1042                                 break;
1043                         case 'p':
1044                                 part->flags |= PARTITION_FLAG_PRELOAD;
1045                                 break;
1046                         case 'l':
1047                                 part->flags |= PARTITION_FLAG_LZMA;
1048                                 break;
1049                         case 'h':
1050                                 part->flags |= PARTITION_FLAG_HAVEHDR;
1051                                 break;
1052                         default:
1053                                 errmsg(0, "invalid partition flag \"%c\"", *p);
1054                                 goto err_out;
1055                         }
1056                 }
1057         }
1058 
1059         /* processing partition parameter */
1060         p = argv[3];
1061         if (is_empty_arg(p)) {
1062                 /* set default partition parameter */
1063                 part->param = 0;
1064         } else if (str2u32(p, &part->param) != 0) {
1065                 errmsg(0,"invalid partition parameter: %s", p);
1066                 goto err_out;
1067         }
1068 
1069         p = argv[4];
1070         if (is_empty_arg(p)) {
1071                 /* set default partition parameter */
1072                 fp->name[0] = '\0';
1073         } else {
1074                 strncpy(fp->name, p, PART_NAME_LEN);
1075         }
1076 
1077 #if 1
1078         if (part->size == 0) {
1079                 part->size = flash_size - part->addr;
1080         }
1081 
1082         /* processing file parameter */
1083         p = argv[5];
1084         if (is_empty_arg(p) == 0) {
1085                 struct fw_block *b;
1086 
1087                 if (fw_num_blocks == MAX_FW_BLOCKS) {
1088                         errmsg(0,"too many blocks specified", p);
1089                         goto err_out;
1090                 }
1091                 b = &fw_blocks[fw_num_blocks++];
1092                 b->name = strdup(p);
1093                 b->addr = part->addr;
1094                 b->blocklen = part->size;
1095                 if (part->flags & PARTITION_FLAG_HAVEHDR) {
1096                         b->flags |= BLOCK_FLAG_HAVEHDR;
1097                 }
1098         }
1099 #endif
1100 
1101         return 0;
1102 
1103 err_out:
1104         return -1;
1105 }
1106 
1107 
1108 int
1109 parse_opt_board(char ch, char *arg)
1110 {
1111         if (required_arg(ch, arg)) {
1112                 goto err_out;
1113         }
1114 
1115         board = find_board(arg);
1116         if (board == NULL){
1117                 errmsg(0,"invalid/unknown board specified: %s", arg);
1118                 goto err_out;
1119         }
1120 
1121         fw_header.vid = board->vid;
1122         fw_header.did = board->did;
1123         fw_header.svid = board->svid;
1124         fw_header.sdid = board->sdid;
1125 
1126         flash_size = board->flash_size;
1127 
1128         return 0;
1129 
1130 err_out:
1131         return -1;
1132 }
1133 
1134 
1135 int
1136 parse_opt_rev(char ch, char *arg)
1137 {
1138         if (required_arg(ch, arg)) {
1139                 return -1;
1140         }
1141 
1142         if (str2u32(arg, &fw_header.rev) != 0) {
1143                 errmsg(0,"invalid revision number: %s", arg);
1144                 return -1;
1145         }
1146 
1147         return 0;
1148 }
1149 
1150 
1151 /*
1152  * main
1153  */
1154 int
1155 main(int argc, char *argv[])
1156 {
1157         int optinvalid = 0;   /* flag for invalid option */
1158         int c;
1159         int res = EXIT_FAILURE;
1160 
1161         FILE  *outfile;
1162         uint32_t crc;
1163 
1164         progname=basename(argv[0]);
1165 
1166         memset(&fw_header, 0, sizeof(fw_header));
1167 
1168         /* init header defaults */
1169         fw_header.vid = VENID_COMPEX;
1170         fw_header.did = DEVID_COMPEX_WP54G;
1171         fw_header.svid = VENID_COMPEX;
1172         fw_header.sdid = DEVID_COMPEX_WP54G;
1173         fw_header.fwhi = 0x20000;
1174         fw_header.fwlo = 0x20000;
1175         fw_header.flags = 0;
1176 
1177         opterr = 0;  /* could not print standard getopt error messages */
1178         while ((c = getopt(argc, argv, "b:B:f:hi:p:r:s:v")) != -1) {
1179                 optinvalid = 0;
1180                 switch (c) {
1181                 case 'b':
1182                         optinvalid = parse_opt_block(c,optarg);
1183                         break;
1184                 case 'B':
1185                         optinvalid = parse_opt_board(c,optarg);
1186                         break;
1187                 case 'f':
1188                         optinvalid = parse_opt_flags(c,optarg);
1189                         break;
1190                 case 'h':
1191                         usage(EXIT_SUCCESS);
1192                         break;
1193                 case 'i':
1194                         optinvalid = parse_opt_id(c,optarg);
1195                         break;
1196                 case 'p':
1197                         optinvalid = parse_opt_partition(c,optarg);
1198                         break;
1199                 case 'r':
1200                         optinvalid = parse_opt_rev(c,optarg);
1201                         break;
1202                 case 's':
1203                         optinvalid = parse_opt_size(c,optarg);
1204                         break;
1205                 case 'v':
1206                         verblevel++;
1207                         break;
1208                 default:
1209                         optinvalid = 1;
1210                         break;
1211                 }
1212                 if (optinvalid != 0 ){
1213                         errmsg(0, "invalid option: -%c", optopt);
1214                         goto out;
1215                 }
1216         }
1217 
1218         if (optind == argc) {
1219                 errmsg(0, "no output file specified");
1220                 goto out;
1221         }
1222 
1223         ofname = argv[optind++];
1224 
1225         if (optind < argc) {
1226                 errmsg(0, "invalid option: %s", argv[optind]);
1227                 goto out;
1228         }
1229 
1230         if (!board) {
1231                 errmsg(0, "no board specified");
1232                 goto out;
1233         }
1234 
1235         if (flash_size == 0) {
1236                 errmsg(0, "no flash size specified");
1237                 goto out;
1238         }
1239 
1240         if (process_files() != 0) {
1241                 goto out;
1242         }
1243 
1244         if (process_partitions() != 0) {
1245                 goto out;
1246         }
1247 
1248         outfile = fopen(ofname, "w");
1249         if (outfile == NULL) {
1250                 errmsg(1, "could not open \"%s\" for writing", ofname);
1251                 goto out;
1252         }
1253 
1254         crc = 0;
1255         init_crc_table();
1256 
1257         if (write_out_header(outfile, &crc) != 0)
1258                 goto out_flush;
1259 
1260         if (write_out_blocks(outfile, &crc) != 0)
1261                 goto out_flush;
1262 
1263         fw_header.crc = crc;
1264         if (write_out_header(outfile, NULL) != 0)
1265                 goto out_flush;
1266 
1267         dbgmsg(1,"Firmware file %s completed.", ofname);
1268 
1269         res = EXIT_SUCCESS;
1270 
1271 out_flush:
1272         fflush(outfile);
1273         fclose(outfile);
1274         if (res != EXIT_SUCCESS) {
1275                 unlink(ofname);
1276         }
1277 out:
1278         return res;
1279 }
1280 

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