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1 | /* | |
2 | * (C) Copyright 2008 Semihalf | |
3 | * | |
4 | * (C) Copyright 2000-2009 | |
5 | * DENX Software Engineering | |
6 | * Wolfgang Denk, wd@denx.de | |
7 | * | |
8 | * SPDX-License-Identifier: GPL-2.0+ | |
9 | */ | |
10 | ||
11 | #include "mkimage.h" | |
12 | #include "imximage.h" | |
13 | #include <image.h> | |
14 | #include <version.h> | |
15 | ||
16 | static void copy_file(int, const char *, int); | |
17 | ||
18 | /* parameters initialized by core will be used by the image type code */ | |
19 | static struct image_tool_params params = { | |
20 | .os = IH_OS_LINUX, | |
21 | .arch = IH_ARCH_PPC, | |
22 | .type = IH_TYPE_KERNEL, | |
23 | .comp = IH_COMP_GZIP, | |
24 | .dtc = MKIMAGE_DEFAULT_DTC_OPTIONS, | |
25 | .imagename = "", | |
26 | .imagename2 = "", | |
27 | }; | |
28 | ||
29 | static enum ih_category cur_category; | |
30 | ||
31 | static int h_compare_category_name(const void *vtype1, const void *vtype2) | |
32 | { | |
33 | const int *type1 = vtype1; | |
34 | const int *type2 = vtype2; | |
35 | const char *name1 = genimg_get_cat_short_name(cur_category, *type1); | |
36 | const char *name2 = genimg_get_cat_short_name(cur_category, *type2); | |
37 | ||
38 | return strcmp(name1, name2); | |
39 | } | |
40 | ||
41 | static int show_valid_options(enum ih_category category) | |
42 | { | |
43 | int *order; | |
44 | int count; | |
45 | int item; | |
46 | int i; | |
47 | ||
48 | count = genimg_get_cat_count(category); | |
49 | order = calloc(count, sizeof(*order)); | |
50 | if (!order) | |
51 | return -ENOMEM; | |
52 | ||
53 | /* Sort the names in order of short name for easier reading */ | |
54 | for (item = 0; item < count; item++) | |
55 | order[item] = item; | |
56 | cur_category = category; | |
57 | qsort(order, count, sizeof(int), h_compare_category_name); | |
58 | ||
59 | fprintf(stderr, "\nInvalid %s, supported are:\n", | |
60 | genimg_get_cat_desc(category)); | |
61 | for (i = 0; i < count; i++) { | |
62 | item = order[i]; | |
63 | fprintf(stderr, "\t%-15s %s\n", | |
64 | genimg_get_cat_short_name(category, item), | |
65 | genimg_get_cat_name(category, item)); | |
66 | } | |
67 | fprintf(stderr, "\n"); | |
68 | free(order); | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
73 | static void usage(const char *msg) | |
74 | { | |
75 | fprintf(stderr, "Error: %s\n", msg); | |
76 | fprintf(stderr, "Usage: %s -l image\n" | |
77 | " -l ==> list image header information\n", | |
78 | params.cmdname); | |
79 | fprintf(stderr, | |
80 | " %s [-x] -A arch -O os -T type -C comp -a addr -e ep -n name -d data_file[:data_file...] image\n" | |
81 | " -A ==> set architecture to 'arch'\n" | |
82 | " -O ==> set operating system to 'os'\n" | |
83 | " -T ==> set image type to 'type'\n" | |
84 | " -C ==> set compression type 'comp'\n" | |
85 | " -a ==> set load address to 'addr' (hex)\n" | |
86 | " -e ==> set entry point to 'ep' (hex)\n" | |
87 | " -n ==> set image name to 'name'\n" | |
88 | " -d ==> use image data from 'datafile'\n" | |
89 | " -x ==> set XIP (execute in place)\n", | |
90 | params.cmdname); | |
91 | fprintf(stderr, | |
92 | " %s [-D dtc_options] [-f fit-image.its|-f auto|-F] [-b <dtb> [-b <dtb>]] [-i <ramdisk.cpio.gz>] fit-image\n" | |
93 | " <dtb> file is used with -f auto, it may occur multiple times.\n", | |
94 | params.cmdname); | |
95 | fprintf(stderr, | |
96 | " -D => set all options for device tree compiler\n" | |
97 | " -f => input filename for FIT source\n" | |
98 | " -i => input filename for ramdisk file\n"); | |
99 | #ifdef CONFIG_FIT_SIGNATURE | |
100 | fprintf(stderr, | |
101 | "Signing / verified boot options: [-E] [-k keydir] [-K dtb] [ -c <comment>] [-p addr] [-r] [-N engine]\n" | |
102 | " -E => place data outside of the FIT structure\n" | |
103 | " -k => set directory containing private keys\n" | |
104 | " -K => write public keys to this .dtb file\n" | |
105 | " -c => add comment in signature node\n" | |
106 | " -F => re-sign existing FIT image\n" | |
107 | " -p => place external data at a static position\n" | |
108 | " -r => mark keys used as 'required' in dtb\n" | |
109 | " -N => engine to use for signing (pkcs11)\n"); | |
110 | #else | |
111 | fprintf(stderr, | |
112 | "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n"); | |
113 | #endif | |
114 | fprintf(stderr, " %s -V ==> print version information and exit\n", | |
115 | params.cmdname); | |
116 | fprintf(stderr, "Use -T to see a list of available image types\n"); | |
117 | ||
118 | exit(EXIT_FAILURE); | |
119 | } | |
120 | ||
121 | static int add_content(int type, const char *fname) | |
122 | { | |
123 | struct content_info *cont; | |
124 | ||
125 | cont = calloc(1, sizeof(*cont)); | |
126 | if (!cont) | |
127 | return -1; | |
128 | cont->type = type; | |
129 | cont->fname = fname; | |
130 | if (params.content_tail) | |
131 | params.content_tail->next = cont; | |
132 | else | |
133 | params.content_head = cont; | |
134 | params.content_tail = cont; | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
139 | static void process_args(int argc, char **argv) | |
140 | { | |
141 | char *ptr; | |
142 | int type = IH_TYPE_INVALID; | |
143 | char *datafile = NULL; | |
144 | int opt; | |
145 | ||
146 | while ((opt = getopt(argc, argv, | |
147 | "a:A:b:c:C:d:D:e:Ef:Fk:i:K:ln:N:p:O:rR:qsT:vVx")) != -1) { | |
148 | switch (opt) { | |
149 | case 'a': | |
150 | params.addr = strtoull(optarg, &ptr, 16); | |
151 | if (*ptr) { | |
152 | fprintf(stderr, "%s: invalid load address %s\n", | |
153 | params.cmdname, optarg); | |
154 | exit(EXIT_FAILURE); | |
155 | } | |
156 | break; | |
157 | case 'A': | |
158 | params.arch = genimg_get_arch_id(optarg); | |
159 | if (params.arch < 0) { | |
160 | show_valid_options(IH_ARCH); | |
161 | usage("Invalid architecture"); | |
162 | } | |
163 | break; | |
164 | case 'b': | |
165 | if (add_content(IH_TYPE_FLATDT, optarg)) { | |
166 | fprintf(stderr, | |
167 | "%s: Out of memory adding content '%s'", | |
168 | params.cmdname, optarg); | |
169 | exit(EXIT_FAILURE); | |
170 | } | |
171 | break; | |
172 | case 'c': | |
173 | params.comment = optarg; | |
174 | break; | |
175 | case 'C': | |
176 | params.comp = genimg_get_comp_id(optarg); | |
177 | if (params.comp < 0) { | |
178 | show_valid_options(IH_COMP); | |
179 | usage("Invalid compression type"); | |
180 | } | |
181 | break; | |
182 | case 'd': | |
183 | params.datafile = optarg; | |
184 | params.dflag = 1; | |
185 | break; | |
186 | case 'D': | |
187 | params.dtc = optarg; | |
188 | break; | |
189 | case 'e': | |
190 | params.ep = strtoull(optarg, &ptr, 16); | |
191 | if (*ptr) { | |
192 | fprintf(stderr, "%s: invalid entry point %s\n", | |
193 | params.cmdname, optarg); | |
194 | exit(EXIT_FAILURE); | |
195 | } | |
196 | params.eflag = 1; | |
197 | break; | |
198 | case 'E': | |
199 | params.external_data = true; | |
200 | break; | |
201 | case 'f': | |
202 | datafile = optarg; | |
203 | params.auto_its = !strcmp(datafile, "auto"); | |
204 | /* no break */ | |
205 | case 'F': | |
206 | /* | |
207 | * The flattened image tree (FIT) format | |
208 | * requires a flattened device tree image type | |
209 | */ | |
210 | params.type = IH_TYPE_FLATDT; | |
211 | params.fflag = 1; | |
212 | break; | |
213 | case 'i': | |
214 | params.fit_ramdisk = optarg; | |
215 | break; | |
216 | case 'k': | |
217 | params.keydir = optarg; | |
218 | break; | |
219 | case 'K': | |
220 | params.keydest = optarg; | |
221 | break; | |
222 | case 'l': | |
223 | params.lflag = 1; | |
224 | break; | |
225 | case 'n': | |
226 | params.imagename = optarg; | |
227 | break; | |
228 | case 'N': | |
229 | params.engine_id = optarg; | |
230 | break; | |
231 | case 'O': | |
232 | params.os = genimg_get_os_id(optarg); | |
233 | if (params.os < 0) { | |
234 | show_valid_options(IH_OS); | |
235 | usage("Invalid operating system"); | |
236 | } | |
237 | break; | |
238 | case 'p': | |
239 | params.external_offset = strtoull(optarg, &ptr, 16); | |
240 | if (*ptr) { | |
241 | fprintf(stderr, "%s: invalid offset size %s\n", | |
242 | params.cmdname, optarg); | |
243 | exit(EXIT_FAILURE); | |
244 | } | |
245 | break; | |
246 | case 'q': | |
247 | params.quiet = 1; | |
248 | break; | |
249 | case 'r': | |
250 | params.require_keys = 1; | |
251 | break; | |
252 | case 'R': | |
253 | /* | |
254 | * This entry is for the second configuration | |
255 | * file, if only one is not enough. | |
256 | */ | |
257 | params.imagename2 = optarg; | |
258 | break; | |
259 | case 's': | |
260 | params.skipcpy = 1; | |
261 | break; | |
262 | case 'T': | |
263 | type = genimg_get_type_id(optarg); | |
264 | if (type < 0) { | |
265 | show_valid_options(IH_TYPE); | |
266 | usage("Invalid image type"); | |
267 | } | |
268 | break; | |
269 | case 'v': | |
270 | params.vflag++; | |
271 | break; | |
272 | case 'V': | |
273 | printf("mkimage version %s\n", PLAIN_VERSION); | |
274 | exit(EXIT_SUCCESS); | |
275 | case 'x': | |
276 | params.xflag++; | |
277 | break; | |
278 | default: | |
279 | usage("Invalid option"); | |
280 | } | |
281 | } | |
282 | ||
283 | /* The last parameter is expected to be the imagefile */ | |
284 | if (optind < argc) | |
285 | params.imagefile = argv[optind]; | |
286 | ||
287 | /* | |
288 | * For auto-generated FIT images we need to know the image type to put | |
289 | * in the FIT, which is separate from the file's image type (which | |
290 | * will always be IH_TYPE_FLATDT in this case). | |
291 | */ | |
292 | if (params.type == IH_TYPE_FLATDT) { | |
293 | params.fit_image_type = type ? type : IH_TYPE_KERNEL; | |
294 | /* For auto_its, datafile is always 'auto' */ | |
295 | if (!params.auto_its) | |
296 | params.datafile = datafile; | |
297 | else if (!params.datafile) | |
298 | usage("Missing data file for auto-FIT (use -d)"); | |
299 | } else if (type != IH_TYPE_INVALID) { | |
300 | params.type = type; | |
301 | } | |
302 | ||
303 | if (!params.imagefile) | |
304 | usage("Missing output filename"); | |
305 | } | |
306 | ||
307 | int main(int argc, char **argv) | |
308 | { | |
309 | int ifd = -1; | |
310 | struct stat sbuf; | |
311 | char *ptr; | |
312 | int retval = 0; | |
313 | struct image_type_params *tparams = NULL; | |
314 | int pad_len = 0; | |
315 | int dfd; | |
316 | ||
317 | params.cmdname = *argv; | |
318 | params.addr = 0; | |
319 | params.ep = 0; | |
320 | ||
321 | process_args(argc, argv); | |
322 | ||
323 | /* set tparams as per input type_id */ | |
324 | tparams = imagetool_get_type(params.type); | |
325 | if (tparams == NULL) { | |
326 | fprintf (stderr, "%s: unsupported type %s\n", | |
327 | params.cmdname, genimg_get_type_name(params.type)); | |
328 | exit (EXIT_FAILURE); | |
329 | } | |
330 | ||
331 | /* | |
332 | * check the passed arguments parameters meets the requirements | |
333 | * as per image type to be generated/listed | |
334 | */ | |
335 | if (tparams->check_params) | |
336 | if (tparams->check_params (¶ms)) | |
337 | usage("Bad parameters for image type"); | |
338 | ||
339 | if (!params.eflag) { | |
340 | params.ep = params.addr; | |
341 | /* If XIP, entry point must be after the U-Boot header */ | |
342 | if (params.xflag) | |
343 | params.ep += tparams->header_size; | |
344 | } | |
345 | ||
346 | if (params.fflag){ | |
347 | if (tparams->fflag_handle) | |
348 | /* | |
349 | * in some cases, some additional processing needs | |
350 | * to be done if fflag is defined | |
351 | * | |
352 | * For ex. fit_handle_file for Fit file support | |
353 | */ | |
354 | retval = tparams->fflag_handle(¶ms); | |
355 | ||
356 | if (retval != EXIT_SUCCESS) | |
357 | exit (retval); | |
358 | } | |
359 | ||
360 | if (params.lflag || params.fflag) { | |
361 | ifd = open (params.imagefile, O_RDONLY|O_BINARY); | |
362 | } else { | |
363 | ifd = open (params.imagefile, | |
364 | O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666); | |
365 | } | |
366 | ||
367 | if (ifd < 0) { | |
368 | fprintf (stderr, "%s: Can't open %s: %s\n", | |
369 | params.cmdname, params.imagefile, | |
370 | strerror(errno)); | |
371 | exit (EXIT_FAILURE); | |
372 | } | |
373 | ||
374 | if (params.lflag || params.fflag) { | |
375 | /* | |
376 | * list header information of existing image | |
377 | */ | |
378 | if (fstat(ifd, &sbuf) < 0) { | |
379 | fprintf (stderr, "%s: Can't stat %s: %s\n", | |
380 | params.cmdname, params.imagefile, | |
381 | strerror(errno)); | |
382 | exit (EXIT_FAILURE); | |
383 | } | |
384 | ||
385 | if ((unsigned)sbuf.st_size < tparams->header_size) { | |
386 | fprintf (stderr, | |
387 | "%s: Bad size: \"%s\" is not valid image\n", | |
388 | params.cmdname, params.imagefile); | |
389 | exit (EXIT_FAILURE); | |
390 | } | |
391 | ||
392 | ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0); | |
393 | if (ptr == MAP_FAILED) { | |
394 | fprintf (stderr, "%s: Can't read %s: %s\n", | |
395 | params.cmdname, params.imagefile, | |
396 | strerror(errno)); | |
397 | exit (EXIT_FAILURE); | |
398 | } | |
399 | ||
400 | /* | |
401 | * scan through mkimage registry for all supported image types | |
402 | * and verify the input image file header for match | |
403 | * Print the image information for matched image type | |
404 | * Returns the error code if not matched | |
405 | */ | |
406 | retval = imagetool_verify_print_header(ptr, &sbuf, | |
407 | tparams, ¶ms); | |
408 | ||
409 | (void) munmap((void *)ptr, sbuf.st_size); | |
410 | (void) close (ifd); | |
411 | ||
412 | exit (retval); | |
413 | } | |
414 | ||
415 | if ((params.type != IH_TYPE_MULTI) && (params.type != IH_TYPE_SCRIPT)) { | |
416 | dfd = open(params.datafile, O_RDONLY | O_BINARY); | |
417 | if (dfd < 0) { | |
418 | fprintf(stderr, "%s: Can't open %s: %s\n", | |
419 | params.cmdname, params.datafile, | |
420 | strerror(errno)); | |
421 | exit(EXIT_FAILURE); | |
422 | } | |
423 | ||
424 | if (fstat(dfd, &sbuf) < 0) { | |
425 | fprintf(stderr, "%s: Can't stat %s: %s\n", | |
426 | params.cmdname, params.datafile, | |
427 | strerror(errno)); | |
428 | exit(EXIT_FAILURE); | |
429 | } | |
430 | ||
431 | params.file_size = sbuf.st_size + tparams->header_size; | |
432 | close(dfd); | |
433 | } | |
434 | ||
435 | /* | |
436 | * In case there an header with a variable | |
437 | * length will be added, the corresponding | |
438 | * function is called. This is responsible to | |
439 | * allocate memory for the header itself. | |
440 | */ | |
441 | if (tparams->vrec_header) | |
442 | pad_len = tparams->vrec_header(¶ms, tparams); | |
443 | else | |
444 | memset(tparams->hdr, 0, tparams->header_size); | |
445 | ||
446 | if (write(ifd, tparams->hdr, tparams->header_size) | |
447 | != tparams->header_size) { | |
448 | fprintf (stderr, "%s: Write error on %s: %s\n", | |
449 | params.cmdname, params.imagefile, strerror(errno)); | |
450 | exit (EXIT_FAILURE); | |
451 | } | |
452 | ||
453 | if (!params.skipcpy) { | |
454 | if (params.type == IH_TYPE_MULTI || | |
455 | params.type == IH_TYPE_SCRIPT) { | |
456 | char *file = params.datafile; | |
457 | uint32_t size; | |
458 | ||
459 | for (;;) { | |
460 | char *sep = NULL; | |
461 | ||
462 | if (file) { | |
463 | if ((sep = strchr(file, ':')) != NULL) { | |
464 | *sep = '\0'; | |
465 | } | |
466 | ||
467 | if (stat (file, &sbuf) < 0) { | |
468 | fprintf (stderr, "%s: Can't stat %s: %s\n", | |
469 | params.cmdname, file, strerror(errno)); | |
470 | exit (EXIT_FAILURE); | |
471 | } | |
472 | size = cpu_to_uimage (sbuf.st_size); | |
473 | } else { | |
474 | size = 0; | |
475 | } | |
476 | ||
477 | if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) { | |
478 | fprintf (stderr, "%s: Write error on %s: %s\n", | |
479 | params.cmdname, params.imagefile, | |
480 | strerror(errno)); | |
481 | exit (EXIT_FAILURE); | |
482 | } | |
483 | ||
484 | if (!file) { | |
485 | break; | |
486 | } | |
487 | ||
488 | if (sep) { | |
489 | *sep = ':'; | |
490 | file = sep + 1; | |
491 | } else { | |
492 | file = NULL; | |
493 | } | |
494 | } | |
495 | ||
496 | file = params.datafile; | |
497 | ||
498 | for (;;) { | |
499 | char *sep = strchr(file, ':'); | |
500 | if (sep) { | |
501 | *sep = '\0'; | |
502 | copy_file (ifd, file, 1); | |
503 | *sep++ = ':'; | |
504 | file = sep; | |
505 | } else { | |
506 | copy_file (ifd, file, 0); | |
507 | break; | |
508 | } | |
509 | } | |
510 | } else if (params.type == IH_TYPE_PBLIMAGE) { | |
511 | /* PBL has special Image format, implements its' own */ | |
512 | pbl_load_uboot(ifd, ¶ms); | |
513 | } else { | |
514 | copy_file(ifd, params.datafile, pad_len); | |
515 | } | |
516 | if (params.type == IH_TYPE_FIRMWARE_IVT) { | |
517 | /* Add alignment and IVT */ | |
518 | uint32_t aligned_filesize = (params.file_size + 0x1000 | |
519 | - 1) & ~(0x1000 - 1); | |
520 | flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 }, | |
521 | params.addr, 0, 0, 0, params.addr | |
522 | + aligned_filesize | |
523 | - tparams->header_size, | |
524 | params.addr + aligned_filesize | |
525 | - tparams->header_size | |
526 | + 0x20, 0 }; | |
527 | int i = params.file_size; | |
528 | for (; i < aligned_filesize; i++) { | |
529 | if (write(ifd, (char *) &i, 1) != 1) { | |
530 | fprintf(stderr, | |
531 | "%s: Write error on %s: %s\n", | |
532 | params.cmdname, | |
533 | params.imagefile, | |
534 | strerror(errno)); | |
535 | exit(EXIT_FAILURE); | |
536 | } | |
537 | } | |
538 | if (write(ifd, &ivt_header, sizeof(flash_header_v2_t)) | |
539 | != sizeof(flash_header_v2_t)) { | |
540 | fprintf(stderr, "%s: Write error on %s: %s\n", | |
541 | params.cmdname, | |
542 | params.imagefile, | |
543 | strerror(errno)); | |
544 | exit(EXIT_FAILURE); | |
545 | } | |
546 | } | |
547 | } | |
548 | ||
549 | /* We're a bit of paranoid */ | |
550 | #if defined(_POSIX_SYNCHRONIZED_IO) && \ | |
551 | !defined(__sun__) && \ | |
552 | !defined(__FreeBSD__) && \ | |
553 | !defined(__OpenBSD__) && \ | |
554 | !defined(__APPLE__) | |
555 | (void) fdatasync (ifd); | |
556 | #else | |
557 | (void) fsync (ifd); | |
558 | #endif | |
559 | ||
560 | if (fstat(ifd, &sbuf) < 0) { | |
561 | fprintf (stderr, "%s: Can't stat %s: %s\n", | |
562 | params.cmdname, params.imagefile, strerror(errno)); | |
563 | exit (EXIT_FAILURE); | |
564 | } | |
565 | params.file_size = sbuf.st_size; | |
566 | ||
567 | ptr = mmap(0, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0); | |
568 | if (ptr == MAP_FAILED) { | |
569 | fprintf (stderr, "%s: Can't map %s: %s\n", | |
570 | params.cmdname, params.imagefile, strerror(errno)); | |
571 | exit (EXIT_FAILURE); | |
572 | } | |
573 | ||
574 | /* Setup the image header as per input image type*/ | |
575 | if (tparams->set_header) | |
576 | tparams->set_header (ptr, &sbuf, ifd, ¶ms); | |
577 | else { | |
578 | fprintf (stderr, "%s: Can't set header for %s: %s\n", | |
579 | params.cmdname, tparams->name, strerror(errno)); | |
580 | exit (EXIT_FAILURE); | |
581 | } | |
582 | ||
583 | /* Print the image information by processing image header */ | |
584 | if (tparams->print_header) | |
585 | tparams->print_header (ptr); | |
586 | else { | |
587 | fprintf (stderr, "%s: Can't print header for %s: %s\n", | |
588 | params.cmdname, tparams->name, strerror(errno)); | |
589 | exit (EXIT_FAILURE); | |
590 | } | |
591 | ||
592 | (void) munmap((void *)ptr, sbuf.st_size); | |
593 | ||
594 | /* We're a bit of paranoid */ | |
595 | #if defined(_POSIX_SYNCHRONIZED_IO) && \ | |
596 | !defined(__sun__) && \ | |
597 | !defined(__FreeBSD__) && \ | |
598 | !defined(__OpenBSD__) && \ | |
599 | !defined(__APPLE__) | |
600 | (void) fdatasync (ifd); | |
601 | #else | |
602 | (void) fsync (ifd); | |
603 | #endif | |
604 | ||
605 | if (close(ifd)) { | |
606 | fprintf (stderr, "%s: Write error on %s: %s\n", | |
607 | params.cmdname, params.imagefile, strerror(errno)); | |
608 | exit (EXIT_FAILURE); | |
609 | } | |
610 | ||
611 | exit (EXIT_SUCCESS); | |
612 | } | |
613 | ||
614 | static void | |
615 | copy_file (int ifd, const char *datafile, int pad) | |
616 | { | |
617 | int dfd; | |
618 | struct stat sbuf; | |
619 | unsigned char *ptr; | |
620 | int tail; | |
621 | int zero = 0; | |
622 | uint8_t zeros[4096]; | |
623 | int offset = 0; | |
624 | int size; | |
625 | struct image_type_params *tparams = imagetool_get_type(params.type); | |
626 | ||
627 | memset(zeros, 0, sizeof(zeros)); | |
628 | ||
629 | if (params.vflag) { | |
630 | fprintf (stderr, "Adding Image %s\n", datafile); | |
631 | } | |
632 | ||
633 | if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) { | |
634 | fprintf (stderr, "%s: Can't open %s: %s\n", | |
635 | params.cmdname, datafile, strerror(errno)); | |
636 | exit (EXIT_FAILURE); | |
637 | } | |
638 | ||
639 | if (fstat(dfd, &sbuf) < 0) { | |
640 | fprintf (stderr, "%s: Can't stat %s: %s\n", | |
641 | params.cmdname, datafile, strerror(errno)); | |
642 | exit (EXIT_FAILURE); | |
643 | } | |
644 | ||
645 | ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); | |
646 | if (ptr == MAP_FAILED) { | |
647 | fprintf (stderr, "%s: Can't read %s: %s\n", | |
648 | params.cmdname, datafile, strerror(errno)); | |
649 | exit (EXIT_FAILURE); | |
650 | } | |
651 | ||
652 | if (params.xflag) { | |
653 | unsigned char *p = NULL; | |
654 | /* | |
655 | * XIP: do not append the image_header_t at the | |
656 | * beginning of the file, but consume the space | |
657 | * reserved for it. | |
658 | */ | |
659 | ||
660 | if ((unsigned)sbuf.st_size < tparams->header_size) { | |
661 | fprintf (stderr, | |
662 | "%s: Bad size: \"%s\" is too small for XIP\n", | |
663 | params.cmdname, datafile); | |
664 | exit (EXIT_FAILURE); | |
665 | } | |
666 | ||
667 | for (p = ptr; p < ptr + tparams->header_size; p++) { | |
668 | if ( *p != 0xff ) { | |
669 | fprintf (stderr, | |
670 | "%s: Bad file: \"%s\" has invalid buffer for XIP\n", | |
671 | params.cmdname, datafile); | |
672 | exit (EXIT_FAILURE); | |
673 | } | |
674 | } | |
675 | ||
676 | offset = tparams->header_size; | |
677 | } | |
678 | ||
679 | size = sbuf.st_size - offset; | |
680 | if (write(ifd, ptr + offset, size) != size) { | |
681 | fprintf (stderr, "%s: Write error on %s: %s\n", | |
682 | params.cmdname, params.imagefile, strerror(errno)); | |
683 | exit (EXIT_FAILURE); | |
684 | } | |
685 | ||
686 | tail = size % 4; | |
687 | if ((pad == 1) && (tail != 0)) { | |
688 | ||
689 | if (write(ifd, (char *)&zero, 4-tail) != 4-tail) { | |
690 | fprintf (stderr, "%s: Write error on %s: %s\n", | |
691 | params.cmdname, params.imagefile, | |
692 | strerror(errno)); | |
693 | exit (EXIT_FAILURE); | |
694 | } | |
695 | } else if (pad > 1) { | |
696 | while (pad > 0) { | |
697 | int todo = sizeof(zeros); | |
698 | ||
699 | if (todo > pad) | |
700 | todo = pad; | |
701 | if (write(ifd, (char *)&zeros, todo) != todo) { | |
702 | fprintf(stderr, "%s: Write error on %s: %s\n", | |
703 | params.cmdname, params.imagefile, | |
704 | strerror(errno)); | |
705 | exit(EXIT_FAILURE); | |
706 | } | |
707 | pad -= todo; | |
708 | } | |
709 | } | |
710 | ||
711 | (void) munmap((void *)ptr, sbuf.st_size); | |
712 | (void) close (dfd); | |
713 | } |