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[openwrt/svn-archive/archive.git] / tools / mkimage / src / mkimage.c
1 /*
2 * (C) Copyright 2000-2004
3 * DENX Software Engineering
4 * Wolfgang Denk, wd@denx.de
5 * All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23 #include <errno.h>
24 #include <fcntl.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #ifndef __WIN32__
29 #include <netinet/in.h> /* for host / network byte order conversions */
30 #endif
31 #include <sys/mman.h>
32 #include <sys/stat.h>
33 #include <time.h>
34 #include <unistd.h>
35
36 #if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__)
37 #include <inttypes.h>
38 #endif
39
40 #ifdef __WIN32__
41 typedef unsigned int __u32;
42
43 #define SWAP_LONG(x) \
44 ((__u32)( \
45 (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
46 (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
47 (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
48 (((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
49 typedef unsigned char uint8_t;
50 typedef unsigned short uint16_t;
51 typedef unsigned int uint32_t;
52
53 #define ntohl(a) SWAP_LONG(a)
54 #define htonl(a) SWAP_LONG(a)
55 #endif /* __WIN32__ */
56
57 #ifndef O_BINARY /* should be define'd on __WIN32__ */
58 #define O_BINARY 0
59 #endif
60
61 #include "image.h"
62
63 extern int errno;
64
65 #ifndef MAP_FAILED
66 #define MAP_FAILED (-1)
67 #endif
68
69 char *cmdname;
70
71 extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len);
72
73 typedef struct table_entry {
74 int val; /* as defined in image.h */
75 char *sname; /* short (input) name */
76 char *lname; /* long (output) name */
77 } table_entry_t;
78
79 table_entry_t arch_name[] = {
80 { IH_CPU_INVALID, NULL, "Invalid CPU", },
81 { IH_CPU_ALPHA, "alpha", "Alpha", },
82 { IH_CPU_ARM, "arm", "ARM", },
83 { IH_CPU_I386, "x86", "Intel x86", },
84 { IH_CPU_IA64, "ia64", "IA64", },
85 { IH_CPU_M68K, "m68k", "MC68000", },
86 { IH_CPU_MICROBLAZE, "microblaze", "MicroBlaze", },
87 { IH_CPU_MIPS, "mips", "MIPS", },
88 { IH_CPU_MIPS64, "mips64", "MIPS 64 Bit", },
89 { IH_CPU_NIOS, "nios", "NIOS", },
90 { IH_CPU_NIOS2, "nios2", "NIOS II", },
91 { IH_CPU_PPC, "ppc", "PowerPC", },
92 { IH_CPU_S390, "s390", "IBM S390", },
93 { IH_CPU_SH, "sh", "SuperH", },
94 { IH_CPU_SPARC, "sparc", "SPARC", },
95 { IH_CPU_SPARC64, "sparc64", "SPARC 64 Bit", },
96 { IH_CPU_BLACKFIN, "blackfin", "Blackfin", },
97 { IH_CPU_AVR32, "avr32", "AVR32", },
98 { -1, "", "", },
99 };
100
101 table_entry_t os_name[] = {
102 { IH_OS_INVALID, NULL, "Invalid OS", },
103 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
104 { IH_OS_ARTOS, "artos", "ARTOS", },
105 { IH_OS_DELL, "dell", "Dell", },
106 { IH_OS_ESIX, "esix", "Esix", },
107 { IH_OS_FREEBSD, "freebsd", "FreeBSD", },
108 { IH_OS_IRIX, "irix", "Irix", },
109 { IH_OS_LINUX, "linux", "Linux", },
110 { IH_OS_LYNXOS, "lynxos", "LynxOS", },
111 { IH_OS_NCR, "ncr", "NCR", },
112 { IH_OS_NETBSD, "netbsd", "NetBSD", },
113 { IH_OS_OPENBSD, "openbsd", "OpenBSD", },
114 { IH_OS_PSOS, "psos", "pSOS", },
115 { IH_OS_QNX, "qnx", "QNX", },
116 { IH_OS_RTEMS, "rtems", "RTEMS", },
117 { IH_OS_SCO, "sco", "SCO", },
118 { IH_OS_SOLARIS, "solaris", "Solaris", },
119 { IH_OS_SVR4, "svr4", "SVR4", },
120 { IH_OS_U_BOOT, "u-boot", "U-Boot", },
121 { IH_OS_VXWORKS, "vxworks", "VxWorks", },
122 { -1, "", "", },
123 };
124
125 table_entry_t type_name[] = {
126 { IH_TYPE_INVALID, NULL, "Invalid Image", },
127 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
128 { IH_TYPE_FIRMWARE, "firmware", "Firmware", },
129 { IH_TYPE_KERNEL, "kernel", "Kernel Image", },
130 { IH_TYPE_MULTI, "multi", "Multi-File Image", },
131 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
132 { IH_TYPE_SCRIPT, "script", "Script", },
133 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
134 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", },
135 { -1, "", "", },
136 };
137
138 table_entry_t comp_name[] = {
139 { IH_COMP_NONE, "none", "uncompressed", },
140 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
141 { IH_COMP_GZIP, "gzip", "gzip compressed", },
142 { -1, "", "", },
143 };
144
145 static void copy_file (int, const char *, int);
146 static void usage (void);
147 static void print_header (image_header_t *);
148 static void print_type (image_header_t *);
149 static char *put_table_entry (table_entry_t *, char *, int);
150 static char *put_arch (int);
151 static char *put_type (int);
152 static char *put_os (int);
153 static char *put_comp (int);
154 static int get_table_entry (table_entry_t *, char *, char *);
155 static int get_arch(char *);
156 static int get_comp(char *);
157 static int get_os (char *);
158 static int get_type(char *);
159
160
161 char *datafile;
162 char *imagefile;
163
164 int dflag = 0;
165 int eflag = 0;
166 int lflag = 0;
167 int vflag = 0;
168 int xflag = 0;
169 int opt_os = IH_OS_LINUX;
170 int opt_arch = IH_CPU_PPC;
171 int opt_type = IH_TYPE_KERNEL;
172 int opt_comp = IH_COMP_GZIP;
173
174 image_header_t header;
175 image_header_t *hdr = &header;
176
177 int
178 main (int argc, char **argv)
179 {
180 int ifd;
181 uint32_t checksum;
182 uint32_t addr;
183 uint32_t ep;
184 struct stat sbuf;
185 unsigned char *ptr;
186 char *name = "";
187
188 cmdname = *argv;
189
190 addr = ep = 0;
191
192 while (--argc > 0 && **++argv == '-') {
193 while (*++*argv) {
194 switch (**argv) {
195 case 'l':
196 lflag = 1;
197 break;
198 case 'A':
199 if ((--argc <= 0) ||
200 (opt_arch = get_arch(*++argv)) < 0)
201 usage ();
202 goto NXTARG;
203 case 'C':
204 if ((--argc <= 0) ||
205 (opt_comp = get_comp(*++argv)) < 0)
206 usage ();
207 goto NXTARG;
208 case 'O':
209 if ((--argc <= 0) ||
210 (opt_os = get_os(*++argv)) < 0)
211 usage ();
212 goto NXTARG;
213 case 'T':
214 if ((--argc <= 0) ||
215 (opt_type = get_type(*++argv)) < 0)
216 usage ();
217 goto NXTARG;
218
219 case 'a':
220 if (--argc <= 0)
221 usage ();
222 addr = strtoul (*++argv, (char **)&ptr, 16);
223 if (*ptr) {
224 fprintf (stderr,
225 "%s: invalid load address %s\n",
226 cmdname, *argv);
227 exit (EXIT_FAILURE);
228 }
229 goto NXTARG;
230 case 'd':
231 if (--argc <= 0)
232 usage ();
233 datafile = *++argv;
234 dflag = 1;
235 goto NXTARG;
236 case 'e':
237 if (--argc <= 0)
238 usage ();
239 ep = strtoul (*++argv, (char **)&ptr, 16);
240 if (*ptr) {
241 fprintf (stderr,
242 "%s: invalid entry point %s\n",
243 cmdname, *argv);
244 exit (EXIT_FAILURE);
245 }
246 eflag = 1;
247 goto NXTARG;
248 case 'n':
249 if (--argc <= 0)
250 usage ();
251 name = *++argv;
252 goto NXTARG;
253 case 'v':
254 vflag++;
255 break;
256 case 'x':
257 xflag++;
258 break;
259 default:
260 usage ();
261 }
262 }
263 NXTARG: ;
264 }
265
266 if ((argc != 1) || ((lflag ^ dflag) == 0))
267 usage();
268
269 if (!eflag) {
270 ep = addr;
271 /* If XIP, entry point must be after the U-Boot header */
272 if (xflag)
273 ep += sizeof(image_header_t);
274 }
275
276 /*
277 * If XIP, ensure the entry point is equal to the load address plus
278 * the size of the U-Boot header.
279 */
280 if (xflag) {
281 if (ep != addr + sizeof(image_header_t)) {
282 fprintf (stderr,
283 "%s: For XIP, the entry point must be the load addr + %lu\n",
284 cmdname,
285 (unsigned long)sizeof(image_header_t));
286 exit (EXIT_FAILURE);
287 }
288 }
289
290 imagefile = *argv;
291
292 if (lflag) {
293 ifd = open(imagefile, O_RDONLY|O_BINARY);
294 } else {
295 ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
296 }
297
298 if (ifd < 0) {
299 fprintf (stderr, "%s: Can't open %s: %s\n",
300 cmdname, imagefile, strerror(errno));
301 exit (EXIT_FAILURE);
302 }
303
304 if (lflag) {
305 int len;
306 char *data;
307 /*
308 * list header information of existing image
309 */
310 if (fstat(ifd, &sbuf) < 0) {
311 fprintf (stderr, "%s: Can't stat %s: %s\n",
312 cmdname, imagefile, strerror(errno));
313 exit (EXIT_FAILURE);
314 }
315
316 if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
317 fprintf (stderr,
318 "%s: Bad size: \"%s\" is no valid image\n",
319 cmdname, imagefile);
320 exit (EXIT_FAILURE);
321 }
322
323 ptr = (unsigned char *)mmap(0, sbuf.st_size,
324 PROT_READ, MAP_SHARED, ifd, 0);
325 if ((caddr_t)ptr == (caddr_t)-1) {
326 fprintf (stderr, "%s: Can't read %s: %s\n",
327 cmdname, imagefile, strerror(errno));
328 exit (EXIT_FAILURE);
329 }
330
331 /*
332 * create copy of header so that we can blank out the
333 * checksum field for checking - this can't be done
334 * on the PROT_READ mapped data.
335 */
336 memcpy (hdr, ptr, sizeof(image_header_t));
337
338 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
339 fprintf (stderr,
340 "%s: Bad Magic Number: \"%s\" is no valid image\n",
341 cmdname, imagefile);
342 exit (EXIT_FAILURE);
343 }
344
345 data = (char *)hdr;
346 len = sizeof(image_header_t);
347
348 checksum = ntohl(hdr->ih_hcrc);
349 hdr->ih_hcrc = htonl(0); /* clear for re-calculation */
350
351 if (crc32 (0, data, len) != checksum) {
352 fprintf (stderr,
353 "%s: ERROR: \"%s\" has bad header checksum!\n",
354 cmdname, imagefile);
355 exit (EXIT_FAILURE);
356 }
357
358 data = (char *)(ptr + sizeof(image_header_t));
359 len = sbuf.st_size - sizeof(image_header_t) ;
360
361 if (crc32 (0, data, len) != ntohl(hdr->ih_dcrc)) {
362 fprintf (stderr,
363 "%s: ERROR: \"%s\" has corrupted data!\n",
364 cmdname, imagefile);
365 exit (EXIT_FAILURE);
366 }
367
368 /* for multi-file images we need the data part, too */
369 print_header ((image_header_t *)ptr);
370
371 (void) munmap((void *)ptr, sbuf.st_size);
372 (void) close (ifd);
373
374 exit (EXIT_SUCCESS);
375 }
376
377 /*
378 * Must be -w then:
379 *
380 * write dummy header, to be fixed later
381 */
382 memset (hdr, 0, sizeof(image_header_t));
383
384 if (write(ifd, hdr, sizeof(image_header_t)) != sizeof(image_header_t)) {
385 fprintf (stderr, "%s: Write error on %s: %s\n",
386 cmdname, imagefile, strerror(errno));
387 exit (EXIT_FAILURE);
388 }
389
390 if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) {
391 char *file = datafile;
392 uint32_t size;
393
394 for (;;) {
395 char *sep = NULL;
396
397 if (file) {
398 if ((sep = strchr(file, ':')) != NULL) {
399 *sep = '\0';
400 }
401
402 if (stat (file, &sbuf) < 0) {
403 fprintf (stderr, "%s: Can't stat %s: %s\n",
404 cmdname, file, strerror(errno));
405 exit (EXIT_FAILURE);
406 }
407 size = htonl(sbuf.st_size);
408 } else {
409 size = 0;
410 }
411
412 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
413 fprintf (stderr, "%s: Write error on %s: %s\n",
414 cmdname, imagefile, strerror(errno));
415 exit (EXIT_FAILURE);
416 }
417
418 if (!file) {
419 break;
420 }
421
422 if (sep) {
423 *sep = ':';
424 file = sep + 1;
425 } else {
426 file = NULL;
427 }
428 }
429
430 file = datafile;
431
432 for (;;) {
433 char *sep = strchr(file, ':');
434 if (sep) {
435 *sep = '\0';
436 copy_file (ifd, file, 1);
437 *sep++ = ':';
438 file = sep;
439 } else {
440 copy_file (ifd, file, 0);
441 break;
442 }
443 }
444 } else {
445 copy_file (ifd, datafile, 0);
446 }
447
448 /* We're a bit of paranoid */
449 #if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
450 (void) fdatasync (ifd);
451 #else
452 (void) fsync (ifd);
453 #endif
454
455 if (fstat(ifd, &sbuf) < 0) {
456 fprintf (stderr, "%s: Can't stat %s: %s\n",
457 cmdname, imagefile, strerror(errno));
458 exit (EXIT_FAILURE);
459 }
460
461 ptr = (unsigned char *)mmap(0, sbuf.st_size,
462 PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0);
463 if (ptr == (unsigned char *)MAP_FAILED) {
464 fprintf (stderr, "%s: Can't map %s: %s\n",
465 cmdname, imagefile, strerror(errno));
466 exit (EXIT_FAILURE);
467 }
468
469 hdr = (image_header_t *)ptr;
470
471 checksum = crc32 (0,
472 (const char *)(ptr + sizeof(image_header_t)),
473 sbuf.st_size - sizeof(image_header_t)
474 );
475
476 /* Build new header */
477 hdr->ih_magic = htonl(IH_MAGIC);
478 hdr->ih_time = htonl(sbuf.st_mtime);
479 hdr->ih_size = htonl(sbuf.st_size - sizeof(image_header_t));
480 hdr->ih_load = htonl(addr);
481 hdr->ih_ep = htonl(ep);
482 hdr->ih_dcrc = htonl(checksum);
483 hdr->ih_os = opt_os;
484 hdr->ih_arch = opt_arch;
485 hdr->ih_type = opt_type;
486 hdr->ih_comp = opt_comp;
487
488 strncpy((char *)hdr->ih_name, name, IH_NMLEN);
489
490 checksum = crc32(0,(const char *)hdr,sizeof(image_header_t));
491
492 hdr->ih_hcrc = htonl(checksum);
493
494 print_header (hdr);
495
496 (void) munmap((void *)ptr, sbuf.st_size);
497
498 /* We're a bit of paranoid */
499 #if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
500 (void) fdatasync (ifd);
501 #else
502 (void) fsync (ifd);
503 #endif
504
505 if (close(ifd)) {
506 fprintf (stderr, "%s: Write error on %s: %s\n",
507 cmdname, imagefile, strerror(errno));
508 exit (EXIT_FAILURE);
509 }
510
511 exit (EXIT_SUCCESS);
512 }
513
514 static void
515 copy_file (int ifd, const char *datafile, int pad)
516 {
517 int dfd;
518 struct stat sbuf;
519 unsigned char *ptr;
520 int tail;
521 int zero = 0;
522 int offset = 0;
523 int size;
524
525 if (vflag) {
526 fprintf (stderr, "Adding Image %s\n", datafile);
527 }
528
529 if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
530 fprintf (stderr, "%s: Can't open %s: %s\n",
531 cmdname, datafile, strerror(errno));
532 exit (EXIT_FAILURE);
533 }
534
535 if (fstat(dfd, &sbuf) < 0) {
536 fprintf (stderr, "%s: Can't stat %s: %s\n",
537 cmdname, datafile, strerror(errno));
538 exit (EXIT_FAILURE);
539 }
540
541 ptr = (unsigned char *)mmap(0, sbuf.st_size,
542 PROT_READ, MAP_SHARED, dfd, 0);
543 if (ptr == (unsigned char *)MAP_FAILED) {
544 fprintf (stderr, "%s: Can't read %s: %s\n",
545 cmdname, datafile, strerror(errno));
546 exit (EXIT_FAILURE);
547 }
548
549 if (xflag) {
550 unsigned char *p = NULL;
551 /*
552 * XIP: do not append the image_header_t at the
553 * beginning of the file, but consume the space
554 * reserved for it.
555 */
556
557 if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
558 fprintf (stderr,
559 "%s: Bad size: \"%s\" is too small for XIP\n",
560 cmdname, datafile);
561 exit (EXIT_FAILURE);
562 }
563
564 for (p=ptr; p < ptr+sizeof(image_header_t); p++) {
565 if ( *p != 0xff ) {
566 fprintf (stderr,
567 "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
568 cmdname, datafile);
569 exit (EXIT_FAILURE);
570 }
571 }
572
573 offset = sizeof(image_header_t);
574 }
575
576 size = sbuf.st_size - offset;
577 if (write(ifd, ptr + offset, size) != size) {
578 fprintf (stderr, "%s: Write error on %s: %s\n",
579 cmdname, imagefile, strerror(errno));
580 exit (EXIT_FAILURE);
581 }
582
583 if (pad && ((tail = size % 4) != 0)) {
584
585 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
586 fprintf (stderr, "%s: Write error on %s: %s\n",
587 cmdname, imagefile, strerror(errno));
588 exit (EXIT_FAILURE);
589 }
590 }
591
592 (void) munmap((void *)ptr, sbuf.st_size);
593 (void) close (dfd);
594 }
595
596 void
597 usage ()
598 {
599 fprintf (stderr, "Usage: %s -l image\n"
600 " -l ==> list image header information\n"
601 " %s [-x] -A arch -O os -T type -C comp "
602 "-a addr -e ep -n name -d data_file[:data_file...] image\n",
603 cmdname, cmdname);
604 fprintf (stderr, " -A ==> set architecture to 'arch'\n"
605 " -O ==> set operating system to 'os'\n"
606 " -T ==> set image type to 'type'\n"
607 " -C ==> set compression type 'comp'\n"
608 " -a ==> set load address to 'addr' (hex)\n"
609 " -e ==> set entry point to 'ep' (hex)\n"
610 " -n ==> set image name to 'name'\n"
611 " -d ==> use image data from 'datafile'\n"
612 " -x ==> set XIP (execute in place)\n"
613 );
614 exit (EXIT_FAILURE);
615 }
616
617 static void
618 print_header (image_header_t *hdr)
619 {
620 time_t timestamp;
621 uint32_t size;
622
623 timestamp = (time_t)ntohl(hdr->ih_time);
624 size = ntohl(hdr->ih_size);
625
626 printf ("Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
627 printf ("Created: %s", ctime(&timestamp));
628 printf ("Image Type: "); print_type(hdr);
629 printf ("Data Size: %d Bytes = %.2f kB = %.2f MB\n",
630 size, (double)size / 1.024e3, (double)size / 1.048576e6 );
631 printf ("Load Address: 0x%08X\n", ntohl(hdr->ih_load));
632 printf ("Entry Point: 0x%08X\n", ntohl(hdr->ih_ep));
633
634 if (hdr->ih_type == IH_TYPE_MULTI || hdr->ih_type == IH_TYPE_SCRIPT) {
635 int i, ptrs;
636 uint32_t pos;
637 uint32_t *len_ptr = (uint32_t *) (
638 (unsigned long)hdr + sizeof(image_header_t)
639 );
640
641 /* determine number of images first (to calculate image offsets) */
642 for (i=0; len_ptr[i]; ++i) /* null pointer terminates list */
643 ;
644 ptrs = i; /* null pointer terminates list */
645
646 pos = sizeof(image_header_t) + ptrs * sizeof(long);
647 printf ("Contents:\n");
648 for (i=0; len_ptr[i]; ++i) {
649 size = ntohl(len_ptr[i]);
650
651 printf (" Image %d: %8d Bytes = %4d kB = %d MB\n",
652 i, size, size>>10, size>>20);
653 if (hdr->ih_type == IH_TYPE_SCRIPT && i > 0) {
654 /*
655 * the user may need to know offsets
656 * if planning to do something with
657 * multiple files
658 */
659 printf (" Offset = %08X\n", pos);
660 }
661 /* copy_file() will pad the first files to even word align */
662 size += 3;
663 size &= ~3;
664 pos += size;
665 }
666 }
667 }
668
669
670 static void
671 print_type (image_header_t *hdr)
672 {
673 printf ("%s %s %s (%s)\n",
674 put_arch (hdr->ih_arch),
675 put_os (hdr->ih_os ),
676 put_type (hdr->ih_type),
677 put_comp (hdr->ih_comp)
678 );
679 }
680
681 static char *put_arch (int arch)
682 {
683 return (put_table_entry(arch_name, "Unknown Architecture", arch));
684 }
685
686 static char *put_os (int os)
687 {
688 return (put_table_entry(os_name, "Unknown OS", os));
689 }
690
691 static char *put_type (int type)
692 {
693 return (put_table_entry(type_name, "Unknown Image", type));
694 }
695
696 static char *put_comp (int comp)
697 {
698 return (put_table_entry(comp_name, "Unknown Compression", comp));
699 }
700
701 static char *put_table_entry (table_entry_t *table, char *msg, int type)
702 {
703 for (; table->val>=0; ++table) {
704 if (table->val == type)
705 return (table->lname);
706 }
707 return (msg);
708 }
709
710 static int get_arch(char *name)
711 {
712 return (get_table_entry(arch_name, "CPU", name));
713 }
714
715
716 static int get_comp(char *name)
717 {
718 return (get_table_entry(comp_name, "Compression", name));
719 }
720
721
722 static int get_os (char *name)
723 {
724 return (get_table_entry(os_name, "OS", name));
725 }
726
727
728 static int get_type(char *name)
729 {
730 return (get_table_entry(type_name, "Image", name));
731 }
732
733 static int get_table_entry (table_entry_t *table, char *msg, char *name)
734 {
735 table_entry_t *t;
736 int first = 1;
737
738 for (t=table; t->val>=0; ++t) {
739 if (t->sname && strcasecmp(t->sname, name)==0)
740 return (t->val);
741 }
742 fprintf (stderr, "\nInvalid %s Type - valid names are", msg);
743 for (t=table; t->val>=0; ++t) {
744 if (t->sname == NULL)
745 continue;
746 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname);
747 first = 0;
748 }
749 fprintf (stderr, "\n");
750 return (-1);
751 }
OpenWrt SVN history