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wdenk5b1d7132002-11-03 00:07:02 +00001/*
wdenk0c852a22004-02-26 23:01:04 +00002 * (C) Copyright 2000-2004
wdenk5b1d7132002-11-03 00:07:02 +00003 * DENX Software Engineering
4 * Wolfgang Denk, wd@denx.de
5 * All rights reserved.
wdenk0c852a22004-02-26 23:01:04 +00006 *
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
wdenk5b1d7132002-11-03 00:07:02 +000021 */
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__
41typedef 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) ))
49typedef unsigned char uint8_t;
50typedef unsigned short uint16_t;
51typedef unsigned int uint32_t;
52
53#define ntohl(a) SWAP_LONG(a)
54#define htonl(a) SWAP_LONG(a)
55#endif /* __WIN32__ */
56
wdenkacf98e72003-09-16 11:39:10 +000057#ifndef O_BINARY /* should be define'd on __WIN32__ */
58#define O_BINARY 0
59#endif
60
wdenk5b1d7132002-11-03 00:07:02 +000061#include <image.h>
62
63extern int errno;
64
65#ifndef MAP_FAILED
66#define MAP_FAILED (-1)
67#endif
68
69char *cmdname;
70
71extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len);
72
73typedef 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
79table_entry_t arch_name[] = {
wdenk466b7412004-07-10 22:35:59 +000080 { 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", },
wdenkc1a11c12005-04-03 21:11:16 +000089 { IH_CPU_NIOS, "nios", "NIOS", },
90 { IH_CPU_NIOS2, "nios2", "NIOS II", },
wdenk466b7412004-07-10 22:35:59 +000091 { 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", },
Wolfgang Denk0afe5192006-03-12 02:10:00 +010096 { IH_CPU_BLACKFIN, "blackfin", "Blackfin", },
wdenk466b7412004-07-10 22:35:59 +000097 { -1, "", "", },
wdenk5b1d7132002-11-03 00:07:02 +000098};
99
100table_entry_t os_name[] = {
101 { IH_OS_INVALID, NULL, "Invalid OS", },
wdenk5b1d7132002-11-03 00:07:02 +0000102 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
wdenk466b7412004-07-10 22:35:59 +0000103 { IH_OS_ARTOS, "artos", "ARTOS", },
wdenk5b1d7132002-11-03 00:07:02 +0000104 { IH_OS_DELL, "dell", "Dell", },
wdenk466b7412004-07-10 22:35:59 +0000105 { IH_OS_ESIX, "esix", "Esix", },
106 { IH_OS_FREEBSD, "freebsd", "FreeBSD", },
107 { IH_OS_IRIX, "irix", "Irix", },
108 { IH_OS_LINUX, "linux", "Linux", },
wdenk5b1d7132002-11-03 00:07:02 +0000109 { IH_OS_LYNXOS, "lynxos", "LynxOS", },
wdenk466b7412004-07-10 22:35:59 +0000110 { IH_OS_NCR, "ncr", "NCR", },
111 { IH_OS_NETBSD, "netbsd", "NetBSD", },
112 { IH_OS_OPENBSD, "openbsd", "OpenBSD", },
wdenk5b1d7132002-11-03 00:07:02 +0000113 { IH_OS_PSOS, "psos", "pSOS", },
114 { IH_OS_QNX, "qnx", "QNX", },
wdenkd791b1d2003-04-20 14:04:18 +0000115 { IH_OS_RTEMS, "rtems", "RTEMS", },
wdenk466b7412004-07-10 22:35:59 +0000116 { IH_OS_SCO, "sco", "SCO", },
117 { IH_OS_SOLARIS, "solaris", "Solaris", },
118 { IH_OS_SVR4, "svr4", "SVR4", },
119 { IH_OS_U_BOOT, "u-boot", "U-Boot", },
120 { IH_OS_VXWORKS, "vxworks", "VxWorks", },
wdenk5b1d7132002-11-03 00:07:02 +0000121 { -1, "", "", },
122};
123
124table_entry_t type_name[] = {
125 { IH_TYPE_INVALID, NULL, "Invalid Image", },
wdenk887b3722003-10-06 22:00:45 +0000126 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
wdenk466b7412004-07-10 22:35:59 +0000127 { IH_TYPE_FIRMWARE, "firmware", "Firmware", },
128 { IH_TYPE_KERNEL, "kernel", "Kernel Image", },
129 { IH_TYPE_MULTI, "multi", "Multi-File Image", },
130 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
131 { IH_TYPE_SCRIPT, "script", "Script", },
132 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
wdenk5b1d7132002-11-03 00:07:02 +0000133 { -1, "", "", },
134};
135
136table_entry_t comp_name[] = {
137 { IH_COMP_NONE, "none", "uncompressed", },
wdenk5b1d7132002-11-03 00:07:02 +0000138 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
wdenk466b7412004-07-10 22:35:59 +0000139 { IH_COMP_GZIP, "gzip", "gzip compressed", },
wdenk5b1d7132002-11-03 00:07:02 +0000140 { -1, "", "", },
141};
142
143static void copy_file (int, const char *, int);
144static void usage (void);
145static void print_header (image_header_t *);
146static void print_type (image_header_t *);
147static char *put_table_entry (table_entry_t *, char *, int);
148static char *put_arch (int);
149static char *put_type (int);
150static char *put_os (int);
151static char *put_comp (int);
152static int get_table_entry (table_entry_t *, char *, char *);
153static int get_arch(char *);
154static int get_comp(char *);
155static int get_os (char *);
156static int get_type(char *);
157
158
159char *datafile;
160char *imagefile;
161
162int dflag = 0;
163int eflag = 0;
164int lflag = 0;
165int vflag = 0;
166int xflag = 0;
167int opt_os = IH_OS_LINUX;
168int opt_arch = IH_CPU_PPC;
169int opt_type = IH_TYPE_KERNEL;
170int opt_comp = IH_COMP_GZIP;
171
172image_header_t header;
173image_header_t *hdr = &header;
174
175int
176main (int argc, char **argv)
177{
178 int ifd;
179 uint32_t checksum;
180 uint32_t addr;
181 uint32_t ep;
182 struct stat sbuf;
183 unsigned char *ptr;
184 char *name = "";
185
186 cmdname = *argv;
187
188 addr = ep = 0;
189
190 while (--argc > 0 && **++argv == '-') {
191 while (*++*argv) {
192 switch (**argv) {
193 case 'l':
194 lflag = 1;
195 break;
196 case 'A':
197 if ((--argc <= 0) ||
198 (opt_arch = get_arch(*++argv)) < 0)
199 usage ();
200 goto NXTARG;
201 case 'C':
202 if ((--argc <= 0) ||
203 (opt_comp = get_comp(*++argv)) < 0)
204 usage ();
205 goto NXTARG;
206 case 'O':
207 if ((--argc <= 0) ||
208 (opt_os = get_os(*++argv)) < 0)
209 usage ();
210 goto NXTARG;
211 case 'T':
212 if ((--argc <= 0) ||
213 (opt_type = get_type(*++argv)) < 0)
214 usage ();
215 goto NXTARG;
216
217 case 'a':
218 if (--argc <= 0)
219 usage ();
220 addr = strtoul (*++argv, (char **)&ptr, 16);
221 if (*ptr) {
222 fprintf (stderr,
223 "%s: invalid load address %s\n",
224 cmdname, *argv);
225 exit (EXIT_FAILURE);
226 }
227 goto NXTARG;
228 case 'd':
229 if (--argc <= 0)
230 usage ();
231 datafile = *++argv;
232 dflag = 1;
233 goto NXTARG;
234 case 'e':
235 if (--argc <= 0)
236 usage ();
237 ep = strtoul (*++argv, (char **)&ptr, 16);
238 if (*ptr) {
239 fprintf (stderr,
240 "%s: invalid entry point %s\n",
241 cmdname, *argv);
242 exit (EXIT_FAILURE);
243 }
244 eflag = 1;
245 goto NXTARG;
246 case 'n':
247 if (--argc <= 0)
248 usage ();
249 name = *++argv;
250 goto NXTARG;
251 case 'v':
252 vflag++;
253 break;
254 case 'x':
255 xflag++;
256 break;
257 default:
258 usage ();
259 }
260 }
261NXTARG: ;
262 }
263
264 if ((argc != 1) || ((lflag ^ dflag) == 0))
265 usage();
266
267 if (!eflag) {
268 ep = addr;
269 /* If XIP, entry point must be after the U-Boot header */
270 if (xflag)
271 ep += sizeof(image_header_t);
272 }
273
274 /*
275 * If XIP, ensure the entry point is equal to the load address plus
276 * the size of the U-Boot header.
277 */
278 if (xflag) {
279 if (ep != addr + sizeof(image_header_t)) {
Wolfgang Denk3577d3a2006-04-28 21:24:32 +0200280 fprintf (stderr,
281 "%s: For XIP, the entry point must be the load addr + %lu\n",
wdenka6c7ad22002-12-03 21:28:10 +0000282 cmdname,
283 (unsigned long)sizeof(image_header_t));
wdenk5b1d7132002-11-03 00:07:02 +0000284 exit (EXIT_FAILURE);
285 }
286 }
287
288 imagefile = *argv;
289
290 if (lflag) {
wdenkef1464c2003-10-08 22:14:02 +0000291 ifd = open(imagefile, O_RDONLY|O_BINARY);
wdenk5b1d7132002-11-03 00:07:02 +0000292 } else {
wdenk5b1d7132002-11-03 00:07:02 +0000293 ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
wdenk5b1d7132002-11-03 00:07:02 +0000294 }
295
296 if (ifd < 0) {
297 fprintf (stderr, "%s: Can't open %s: %s\n",
298 cmdname, imagefile, strerror(errno));
299 exit (EXIT_FAILURE);
300 }
301
302 if (lflag) {
303 int len;
304 char *data;
305 /*
306 * list header information of existing image
307 */
308 if (fstat(ifd, &sbuf) < 0) {
309 fprintf (stderr, "%s: Can't stat %s: %s\n",
310 cmdname, imagefile, strerror(errno));
311 exit (EXIT_FAILURE);
312 }
313
wdenk5bb226e2003-11-17 21:14:37 +0000314 if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
wdenk5b1d7132002-11-03 00:07:02 +0000315 fprintf (stderr,
316 "%s: Bad size: \"%s\" is no valid image\n",
317 cmdname, imagefile);
318 exit (EXIT_FAILURE);
319 }
320
321 ptr = (unsigned char *)mmap(0, sbuf.st_size,
322 PROT_READ, MAP_SHARED, ifd, 0);
323 if ((caddr_t)ptr == (caddr_t)-1) {
324 fprintf (stderr, "%s: Can't read %s: %s\n",
325 cmdname, imagefile, strerror(errno));
326 exit (EXIT_FAILURE);
327 }
328
329 /*
330 * create copy of header so that we can blank out the
331 * checksum field for checking - this can't be done
332 * on the PROT_READ mapped data.
333 */
334 memcpy (hdr, ptr, sizeof(image_header_t));
335
336 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
337 fprintf (stderr,
338 "%s: Bad Magic Number: \"%s\" is no valid image\n",
339 cmdname, imagefile);
340 exit (EXIT_FAILURE);
341 }
342
343 data = (char *)hdr;
344 len = sizeof(image_header_t);
345
346 checksum = ntohl(hdr->ih_hcrc);
347 hdr->ih_hcrc = htonl(0); /* clear for re-calculation */
348
349 if (crc32 (0, data, len) != checksum) {
350 fprintf (stderr,
Wolfgang Denk3577d3a2006-04-28 21:24:32 +0200351 "%s: ERROR: \"%s\" has bad header checksum!\n",
352 cmdname, imagefile);
353 exit (EXIT_FAILURE);
wdenk5b1d7132002-11-03 00:07:02 +0000354 }
355
356 data = (char *)(ptr + sizeof(image_header_t));
357 len = sbuf.st_size - sizeof(image_header_t) ;
358
359 if (crc32 (0, data, len) != ntohl(hdr->ih_dcrc)) {
360 fprintf (stderr,
Wolfgang Denk3577d3a2006-04-28 21:24:32 +0200361 "%s: ERROR: \"%s\" has corrupted data!\n",
362 cmdname, imagefile);
363 exit (EXIT_FAILURE);
wdenk5b1d7132002-11-03 00:07:02 +0000364 }
365
366 /* for multi-file images we need the data part, too */
367 print_header ((image_header_t *)ptr);
368
369 (void) munmap((void *)ptr, sbuf.st_size);
370 (void) close (ifd);
371
372 exit (EXIT_SUCCESS);
373 }
374
375 /*
376 * Must be -w then:
377 *
378 * write dummy header, to be fixed later
379 */
380 memset (hdr, 0, sizeof(image_header_t));
381
382 if (write(ifd, hdr, sizeof(image_header_t)) != sizeof(image_header_t)) {
383 fprintf (stderr, "%s: Write error on %s: %s\n",
384 cmdname, imagefile, strerror(errno));
385 exit (EXIT_FAILURE);
386 }
387
388 if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) {
389 char *file = datafile;
Wolfgang Denk3bb66802006-01-11 13:03:54 +0100390 uint32_t size;
wdenk5b1d7132002-11-03 00:07:02 +0000391
392 for (;;) {
393 char *sep = NULL;
394
395 if (file) {
396 if ((sep = strchr(file, ':')) != NULL) {
397 *sep = '\0';
398 }
399
400 if (stat (file, &sbuf) < 0) {
401 fprintf (stderr, "%s: Can't stat %s: %s\n",
402 cmdname, file, strerror(errno));
403 exit (EXIT_FAILURE);
404 }
405 size = htonl(sbuf.st_size);
406 } else {
407 size = 0;
408 }
409
410 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
411 fprintf (stderr, "%s: Write error on %s: %s\n",
412 cmdname, imagefile, strerror(errno));
413 exit (EXIT_FAILURE);
414 }
415
416 if (!file) {
417 break;
418 }
419
420 if (sep) {
421 *sep = ':';
422 file = sep + 1;
423 } else {
424 file = NULL;
425 }
426 }
427
428 file = datafile;
429
430 for (;;) {
431 char *sep = strchr(file, ':');
432 if (sep) {
433 *sep = '\0';
434 copy_file (ifd, file, 1);
435 *sep++ = ':';
436 file = sep;
437 } else {
438 copy_file (ifd, file, 0);
439 break;
440 }
441 }
442 } else {
443 copy_file (ifd, datafile, 0);
444 }
445
446 /* We're a bit of paranoid */
wdenk147031a2003-10-07 10:33:38 +0000447#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
wdenk5b1d7132002-11-03 00:07:02 +0000448 (void) fdatasync (ifd);
449#else
450 (void) fsync (ifd);
451#endif
452
453 if (fstat(ifd, &sbuf) < 0) {
454 fprintf (stderr, "%s: Can't stat %s: %s\n",
455 cmdname, imagefile, strerror(errno));
456 exit (EXIT_FAILURE);
457 }
458
459 ptr = (unsigned char *)mmap(0, sbuf.st_size,
460 PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0);
461 if (ptr == (unsigned char *)MAP_FAILED) {
462 fprintf (stderr, "%s: Can't map %s: %s\n",
463 cmdname, imagefile, strerror(errno));
464 exit (EXIT_FAILURE);
465 }
466
467 hdr = (image_header_t *)ptr;
468
469 checksum = crc32 (0,
470 (const char *)(ptr + sizeof(image_header_t)),
471 sbuf.st_size - sizeof(image_header_t)
472 );
473
474 /* Build new header */
475 hdr->ih_magic = htonl(IH_MAGIC);
476 hdr->ih_time = htonl(sbuf.st_mtime);
477 hdr->ih_size = htonl(sbuf.st_size - sizeof(image_header_t));
478 hdr->ih_load = htonl(addr);
479 hdr->ih_ep = htonl(ep);
480 hdr->ih_dcrc = htonl(checksum);
481 hdr->ih_os = opt_os;
482 hdr->ih_arch = opt_arch;
483 hdr->ih_type = opt_type;
484 hdr->ih_comp = opt_comp;
485
486 strncpy((char *)hdr->ih_name, name, IH_NMLEN);
487
488 checksum = crc32(0,(const char *)hdr,sizeof(image_header_t));
489
490 hdr->ih_hcrc = htonl(checksum);
491
492 print_header (hdr);
493
494 (void) munmap((void *)ptr, sbuf.st_size);
495
496 /* We're a bit of paranoid */
wdenk147031a2003-10-07 10:33:38 +0000497#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
wdenk5b1d7132002-11-03 00:07:02 +0000498 (void) fdatasync (ifd);
499#else
500 (void) fsync (ifd);
501#endif
502
503 if (close(ifd)) {
504 fprintf (stderr, "%s: Write error on %s: %s\n",
505 cmdname, imagefile, strerror(errno));
506 exit (EXIT_FAILURE);
507 }
508
509 exit (EXIT_SUCCESS);
510}
511
512static void
513copy_file (int ifd, const char *datafile, int pad)
514{
515 int dfd;
516 struct stat sbuf;
517 unsigned char *ptr;
518 int tail;
519 int zero = 0;
520 int offset = 0;
521 int size;
522
523 if (vflag) {
524 fprintf (stderr, "Adding Image %s\n", datafile);
525 }
526
wdenkef1464c2003-10-08 22:14:02 +0000527 if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
wdenk5b1d7132002-11-03 00:07:02 +0000528 fprintf (stderr, "%s: Can't open %s: %s\n",
529 cmdname, datafile, strerror(errno));
530 exit (EXIT_FAILURE);
531 }
532
533 if (fstat(dfd, &sbuf) < 0) {
534 fprintf (stderr, "%s: Can't stat %s: %s\n",
535 cmdname, datafile, strerror(errno));
536 exit (EXIT_FAILURE);
537 }
538
539 ptr = (unsigned char *)mmap(0, sbuf.st_size,
540 PROT_READ, MAP_SHARED, dfd, 0);
541 if (ptr == (unsigned char *)MAP_FAILED) {
542 fprintf (stderr, "%s: Can't read %s: %s\n",
543 cmdname, datafile, strerror(errno));
544 exit (EXIT_FAILURE);
545 }
546
547 if (xflag) {
548 unsigned char *p = NULL;
549 /*
550 * XIP: do not append the image_header_t at the
551 * beginning of the file, but consume the space
552 * reserved for it.
553 */
554
wdenk5bb226e2003-11-17 21:14:37 +0000555 if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
wdenk5b1d7132002-11-03 00:07:02 +0000556 fprintf (stderr,
557 "%s: Bad size: \"%s\" is too small for XIP\n",
558 cmdname, datafile);
559 exit (EXIT_FAILURE);
560 }
561
562 for (p=ptr; p < ptr+sizeof(image_header_t); p++) {
563 if ( *p != 0xff ) {
564 fprintf (stderr,
565 "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
566 cmdname, datafile);
567 exit (EXIT_FAILURE);
568 }
569 }
570
571 offset = sizeof(image_header_t);
572 }
573
574 size = sbuf.st_size - offset;
575 if (write(ifd, ptr + offset, size) != size) {
576 fprintf (stderr, "%s: Write error on %s: %s\n",
577 cmdname, imagefile, strerror(errno));
578 exit (EXIT_FAILURE);
579 }
580
581 if (pad && ((tail = size % 4) != 0)) {
582
583 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
584 fprintf (stderr, "%s: Write error on %s: %s\n",
585 cmdname, imagefile, strerror(errno));
586 exit (EXIT_FAILURE);
587 }
588 }
589
590 (void) munmap((void *)ptr, sbuf.st_size);
591 (void) close (dfd);
592}
593
594void
595usage ()
596{
597 fprintf (stderr, "Usage: %s -l image\n"
598 " -l ==> list image header information\n"
wdenk9d5028c2004-11-21 00:06:33 +0000599 " %s [-x] -A arch -O os -T type -C comp "
wdenk5b1d7132002-11-03 00:07:02 +0000600 "-a addr -e ep -n name -d data_file[:data_file...] image\n",
601 cmdname, cmdname);
602 fprintf (stderr, " -A ==> set architecture to 'arch'\n"
603 " -O ==> set operating system to 'os'\n"
604 " -T ==> set image type to 'type'\n"
605 " -C ==> set compression type 'comp'\n"
606 " -a ==> set load address to 'addr' (hex)\n"
607 " -e ==> set entry point to 'ep' (hex)\n"
608 " -n ==> set image name to 'name'\n"
609 " -d ==> use image data from 'datafile'\n"
610 " -x ==> set XIP (execute in place)\n"
611 );
612 exit (EXIT_FAILURE);
613}
614
615static void
616print_header (image_header_t *hdr)
617{
618 time_t timestamp;
619 uint32_t size;
620
621 timestamp = (time_t)ntohl(hdr->ih_time);
622 size = ntohl(hdr->ih_size);
623
624 printf ("Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
625 printf ("Created: %s", ctime(&timestamp));
626 printf ("Image Type: "); print_type(hdr);
627 printf ("Data Size: %d Bytes = %.2f kB = %.2f MB\n",
628 size, (double)size / 1.024e3, (double)size / 1.048576e6 );
wdenkbdccc4f2003-08-05 17:43:17 +0000629 printf ("Load Address: 0x%08X\n", ntohl(hdr->ih_load));
630 printf ("Entry Point: 0x%08X\n", ntohl(hdr->ih_ep));
wdenk5b1d7132002-11-03 00:07:02 +0000631
632 if (hdr->ih_type == IH_TYPE_MULTI || hdr->ih_type == IH_TYPE_SCRIPT) {
633 int i, ptrs;
634 uint32_t pos;
635 unsigned long *len_ptr = (unsigned long *) (
636 (unsigned long)hdr + sizeof(image_header_t)
637 );
638
639 /* determine number of images first (to calculate image offsets) */
640 for (i=0; len_ptr[i]; ++i) /* null pointer terminates list */
641 ;
642 ptrs = i; /* null pointer terminates list */
643
644 pos = sizeof(image_header_t) + ptrs * sizeof(long);
645 printf ("Contents:\n");
646 for (i=0; len_ptr[i]; ++i) {
647 size = ntohl(len_ptr[i]);
648
649 printf (" Image %d: %8d Bytes = %4d kB = %d MB\n",
650 i, size, size>>10, size>>20);
651 if (hdr->ih_type == IH_TYPE_SCRIPT && i > 0) {
652 /*
653 * the user may need to know offsets
654 * if planning to do something with
655 * multiple files
656 */
wdenkbdccc4f2003-08-05 17:43:17 +0000657 printf (" Offset = %08X\n", pos);
wdenk5b1d7132002-11-03 00:07:02 +0000658 }
659 /* copy_file() will pad the first files to even word align */
660 size += 3;
661 size &= ~3;
662 pos += size;
663 }
664 }
665}
666
667
668static void
669print_type (image_header_t *hdr)
670{
671 printf ("%s %s %s (%s)\n",
672 put_arch (hdr->ih_arch),
673 put_os (hdr->ih_os ),
674 put_type (hdr->ih_type),
675 put_comp (hdr->ih_comp)
676 );
677}
678
679static char *put_arch (int arch)
680{
681 return (put_table_entry(arch_name, "Unknown Architecture", arch));
682}
683
684static char *put_os (int os)
685{
686 return (put_table_entry(os_name, "Unknown OS", os));
687}
688
689static char *put_type (int type)
690{
691 return (put_table_entry(type_name, "Unknown Image", type));
692}
693
694static char *put_comp (int comp)
695{
696 return (put_table_entry(comp_name, "Unknown Compression", comp));
697}
698
699static char *put_table_entry (table_entry_t *table, char *msg, int type)
700{
701 for (; table->val>=0; ++table) {
702 if (table->val == type)
703 return (table->lname);
704 }
705 return (msg);
706}
707
708static int get_arch(char *name)
709{
710 return (get_table_entry(arch_name, "CPU", name));
711}
712
713
714static int get_comp(char *name)
715{
716 return (get_table_entry(comp_name, "Compression", name));
717}
718
719
720static int get_os (char *name)
721{
722 return (get_table_entry(os_name, "OS", name));
723}
724
725
726static int get_type(char *name)
727{
728 return (get_table_entry(type_name, "Image", name));
729}
730
731static int get_table_entry (table_entry_t *table, char *msg, char *name)
732{
733 table_entry_t *t;
734 int first = 1;
735
736 for (t=table; t->val>=0; ++t) {
737 if (t->sname && strcasecmp(t->sname, name)==0)
738 return (t->val);
739 }
740 fprintf (stderr, "\nInvalid %s Type - valid names are", msg);
741 for (t=table; t->val>=0; ++t) {
742 if (t->sname == NULL)
743 continue;
744 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname);
745 first = 0;
746 }
747 fprintf (stderr, "\n");
748 return (-1);
749}