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Commit | Line | Data |
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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
aa0c7a86 | 2 | /* |
4acd2d24 | 3 | * Image manipulator for Marvell SoCs |
a1b6b0a9 | 4 | * supports Kirkwood, Dove, Armada 370, Armada XP, and Armada 38x |
4acd2d24 SR |
5 | * |
6 | * (C) Copyright 2013 Thomas Petazzoni | |
7 | * <thomas.petazzoni@free-electrons.com> | |
aa0c7a86 | 8 | * |
a1b6b0a9 | 9 | * Not implemented: support for the register headers in v1 images |
aa0c7a86 PW |
10 | */ |
11 | ||
f86ed6a8 | 12 | #include "imagetool.h" |
e5f1a586 | 13 | #include <limits.h> |
aa0c7a86 | 14 | #include <image.h> |
a1b6b0a9 | 15 | #include <stdarg.h> |
4acd2d24 | 16 | #include <stdint.h> |
aa0c7a86 PW |
17 | #include "kwbimage.h" |
18 | ||
e15843b1 | 19 | #include <openssl/bn.h> |
a1b6b0a9 MS |
20 | #include <openssl/rsa.h> |
21 | #include <openssl/pem.h> | |
22 | #include <openssl/err.h> | |
23 | #include <openssl/evp.h> | |
e15843b1 | 24 | |
a2d5efd7 JG |
25 | #if OPENSSL_VERSION_NUMBER < 0x10100000L || \ |
26 | (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL) | |
e15843b1 JW |
27 | static void RSA_get0_key(const RSA *r, |
28 | const BIGNUM **n, const BIGNUM **e, const BIGNUM **d) | |
29 | { | |
30 | if (n != NULL) | |
31 | *n = r->n; | |
32 | if (e != NULL) | |
33 | *e = r->e; | |
34 | if (d != NULL) | |
35 | *d = r->d; | |
36 | } | |
37 | ||
a2d5efd7 | 38 | #elif !defined(LIBRESSL_VERSION_NUMBER) |
e15843b1 JW |
39 | void EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) |
40 | { | |
41 | EVP_MD_CTX_reset(ctx); | |
42 | } | |
43 | #endif | |
a1b6b0a9 | 44 | |
4acd2d24 SR |
45 | static struct image_cfg_element *image_cfg; |
46 | static int cfgn; | |
a1b6b0a9 | 47 | static int verbose_mode; |
4acd2d24 SR |
48 | |
49 | struct boot_mode { | |
50 | unsigned int id; | |
51 | const char *name; | |
52 | }; | |
53 | ||
a1b6b0a9 MS |
54 | /* |
55 | * SHA2-256 hash | |
56 | */ | |
57 | struct hash_v1 { | |
58 | uint8_t hash[32]; | |
59 | }; | |
60 | ||
4acd2d24 | 61 | struct boot_mode boot_modes[] = { |
e515a330 T |
62 | { IBR_HDR_I2C_ID, "i2c" }, |
63 | { IBR_HDR_SPI_ID, "spi" }, | |
64 | { IBR_HDR_NAND_ID, "nand" }, | |
65 | { IBR_HDR_SATA_ID, "sata" }, | |
66 | { IBR_HDR_PEX_ID, "pex" }, | |
67 | { IBR_HDR_UART_ID, "uart" }, | |
68 | { IBR_HDR_SDIO_ID, "sdio" }, | |
4acd2d24 | 69 | {}, |
aa0c7a86 PW |
70 | }; |
71 | ||
4acd2d24 SR |
72 | struct nand_ecc_mode { |
73 | unsigned int id; | |
74 | const char *name; | |
75 | }; | |
76 | ||
77 | struct nand_ecc_mode nand_ecc_modes[] = { | |
e515a330 T |
78 | { IBR_HDR_ECC_DEFAULT, "default" }, |
79 | { IBR_HDR_ECC_FORCED_HAMMING, "hamming" }, | |
80 | { IBR_HDR_ECC_FORCED_RS, "rs" }, | |
81 | { IBR_HDR_ECC_DISABLED, "disabled" }, | |
4acd2d24 SR |
82 | {}, |
83 | }; | |
84 | ||
85 | /* Used to identify an undefined execution or destination address */ | |
86 | #define ADDR_INVALID ((uint32_t)-1) | |
87 | ||
6c7f152e | 88 | #define BINARY_MAX_ARGS 255 |
4acd2d24 SR |
89 | |
90 | /* In-memory representation of a line of the configuration file */ | |
4991b4f7 MS |
91 | |
92 | enum image_cfg_type { | |
93 | IMAGE_CFG_VERSION = 0x1, | |
94 | IMAGE_CFG_BOOT_FROM, | |
95 | IMAGE_CFG_DEST_ADDR, | |
96 | IMAGE_CFG_EXEC_ADDR, | |
97 | IMAGE_CFG_NAND_BLKSZ, | |
98 | IMAGE_CFG_NAND_BADBLK_LOCATION, | |
99 | IMAGE_CFG_NAND_ECC_MODE, | |
100 | IMAGE_CFG_NAND_PAGESZ, | |
101 | IMAGE_CFG_BINARY, | |
4991b4f7 | 102 | IMAGE_CFG_DATA, |
f63c583f | 103 | IMAGE_CFG_DATA_DELAY, |
4991b4f7 MS |
104 | IMAGE_CFG_BAUDRATE, |
105 | IMAGE_CFG_DEBUG, | |
a1b6b0a9 MS |
106 | IMAGE_CFG_KAK, |
107 | IMAGE_CFG_CSK, | |
108 | IMAGE_CFG_CSK_INDEX, | |
109 | IMAGE_CFG_JTAG_DELAY, | |
110 | IMAGE_CFG_BOX_ID, | |
111 | IMAGE_CFG_FLASH_ID, | |
112 | IMAGE_CFG_SEC_COMMON_IMG, | |
113 | IMAGE_CFG_SEC_SPECIALIZED_IMG, | |
114 | IMAGE_CFG_SEC_BOOT_DEV, | |
115 | IMAGE_CFG_SEC_FUSE_DUMP, | |
4991b4f7 MS |
116 | |
117 | IMAGE_CFG_COUNT | |
118 | } type; | |
119 | ||
120 | static const char * const id_strs[] = { | |
121 | [IMAGE_CFG_VERSION] = "VERSION", | |
122 | [IMAGE_CFG_BOOT_FROM] = "BOOT_FROM", | |
123 | [IMAGE_CFG_DEST_ADDR] = "DEST_ADDR", | |
124 | [IMAGE_CFG_EXEC_ADDR] = "EXEC_ADDR", | |
125 | [IMAGE_CFG_NAND_BLKSZ] = "NAND_BLKSZ", | |
126 | [IMAGE_CFG_NAND_BADBLK_LOCATION] = "NAND_BADBLK_LOCATION", | |
127 | [IMAGE_CFG_NAND_ECC_MODE] = "NAND_ECC_MODE", | |
128 | [IMAGE_CFG_NAND_PAGESZ] = "NAND_PAGE_SIZE", | |
129 | [IMAGE_CFG_BINARY] = "BINARY", | |
4991b4f7 | 130 | [IMAGE_CFG_DATA] = "DATA", |
f63c583f | 131 | [IMAGE_CFG_DATA_DELAY] = "DATA_DELAY", |
4991b4f7 MS |
132 | [IMAGE_CFG_BAUDRATE] = "BAUDRATE", |
133 | [IMAGE_CFG_DEBUG] = "DEBUG", | |
a1b6b0a9 MS |
134 | [IMAGE_CFG_KAK] = "KAK", |
135 | [IMAGE_CFG_CSK] = "CSK", | |
136 | [IMAGE_CFG_CSK_INDEX] = "CSK_INDEX", | |
137 | [IMAGE_CFG_JTAG_DELAY] = "JTAG_DELAY", | |
138 | [IMAGE_CFG_BOX_ID] = "BOX_ID", | |
139 | [IMAGE_CFG_FLASH_ID] = "FLASH_ID", | |
140 | [IMAGE_CFG_SEC_COMMON_IMG] = "SEC_COMMON_IMG", | |
141 | [IMAGE_CFG_SEC_SPECIALIZED_IMG] = "SEC_SPECIALIZED_IMG", | |
142 | [IMAGE_CFG_SEC_BOOT_DEV] = "SEC_BOOT_DEV", | |
143 | [IMAGE_CFG_SEC_FUSE_DUMP] = "SEC_FUSE_DUMP" | |
4991b4f7 MS |
144 | }; |
145 | ||
4acd2d24 | 146 | struct image_cfg_element { |
4991b4f7 | 147 | enum image_cfg_type type; |
4acd2d24 SR |
148 | union { |
149 | unsigned int version; | |
150 | unsigned int bootfrom; | |
151 | struct { | |
152 | const char *file; | |
153 | unsigned int args[BINARY_MAX_ARGS]; | |
154 | unsigned int nargs; | |
155 | } binary; | |
4acd2d24 SR |
156 | unsigned int dstaddr; |
157 | unsigned int execaddr; | |
158 | unsigned int nandblksz; | |
159 | unsigned int nandbadblklocation; | |
160 | unsigned int nandeccmode; | |
161 | unsigned int nandpagesz; | |
162 | struct ext_hdr_v0_reg regdata; | |
f63c583f | 163 | unsigned int regdata_delay; |
4bdb5479 | 164 | unsigned int baudrate; |
2611c05e | 165 | unsigned int debug; |
a1b6b0a9 MS |
166 | const char *key_name; |
167 | int csk_idx; | |
168 | uint8_t jtag_delay; | |
169 | uint32_t boxid; | |
170 | uint32_t flashid; | |
171 | bool sec_specialized_img; | |
172 | unsigned int sec_boot_dev; | |
173 | const char *name; | |
4acd2d24 SR |
174 | }; |
175 | }; | |
176 | ||
177 | #define IMAGE_CFG_ELEMENT_MAX 256 | |
aa0c7a86 | 178 | |
4acd2d24 SR |
179 | /* |
180 | * Utility functions to manipulate boot mode and ecc modes (convert | |
181 | * them back and forth between description strings and the | |
182 | * corresponding numerical identifiers). | |
183 | */ | |
184 | ||
185 | static const char *image_boot_mode_name(unsigned int id) | |
186 | { | |
187 | int i; | |
94490a4a | 188 | |
4acd2d24 SR |
189 | for (i = 0; boot_modes[i].name; i++) |
190 | if (boot_modes[i].id == id) | |
191 | return boot_modes[i].name; | |
192 | return NULL; | |
193 | } | |
194 | ||
195 | int image_boot_mode_id(const char *boot_mode_name) | |
196 | { | |
197 | int i; | |
94490a4a | 198 | |
4acd2d24 SR |
199 | for (i = 0; boot_modes[i].name; i++) |
200 | if (!strcmp(boot_modes[i].name, boot_mode_name)) | |
201 | return boot_modes[i].id; | |
202 | ||
203 | return -1; | |
204 | } | |
205 | ||
206 | int image_nand_ecc_mode_id(const char *nand_ecc_mode_name) | |
207 | { | |
208 | int i; | |
94490a4a | 209 | |
4acd2d24 SR |
210 | for (i = 0; nand_ecc_modes[i].name; i++) |
211 | if (!strcmp(nand_ecc_modes[i].name, nand_ecc_mode_name)) | |
212 | return nand_ecc_modes[i].id; | |
213 | return -1; | |
aa0c7a86 PW |
214 | } |
215 | ||
4acd2d24 SR |
216 | static struct image_cfg_element * |
217 | image_find_option(unsigned int optiontype) | |
aa0c7a86 | 218 | { |
4acd2d24 | 219 | int i; |
aa0c7a86 | 220 | |
4acd2d24 SR |
221 | for (i = 0; i < cfgn; i++) { |
222 | if (image_cfg[i].type == optiontype) | |
223 | return &image_cfg[i]; | |
aa0c7a86 | 224 | } |
4acd2d24 SR |
225 | |
226 | return NULL; | |
227 | } | |
228 | ||
229 | static unsigned int | |
230 | image_count_options(unsigned int optiontype) | |
231 | { | |
232 | int i; | |
233 | unsigned int count = 0; | |
234 | ||
235 | for (i = 0; i < cfgn; i++) | |
236 | if (image_cfg[i].type == optiontype) | |
237 | count++; | |
238 | ||
239 | return count; | |
aa0c7a86 PW |
240 | } |
241 | ||
a1b6b0a9 MS |
242 | static int image_get_csk_index(void) |
243 | { | |
244 | struct image_cfg_element *e; | |
245 | ||
246 | e = image_find_option(IMAGE_CFG_CSK_INDEX); | |
247 | if (!e) | |
248 | return -1; | |
249 | ||
250 | return e->csk_idx; | |
251 | } | |
252 | ||
253 | static bool image_get_spezialized_img(void) | |
254 | { | |
255 | struct image_cfg_element *e; | |
256 | ||
257 | e = image_find_option(IMAGE_CFG_SEC_SPECIALIZED_IMG); | |
258 | if (!e) | |
259 | return false; | |
260 | ||
261 | return e->sec_specialized_img; | |
262 | } | |
263 | ||
aa0c7a86 | 264 | /* |
4acd2d24 SR |
265 | * Compute a 8-bit checksum of a memory area. This algorithm follows |
266 | * the requirements of the Marvell SoC BootROM specifications. | |
aa0c7a86 | 267 | */ |
4acd2d24 | 268 | static uint8_t image_checksum8(void *start, uint32_t len) |
aa0c7a86 | 269 | { |
4acd2d24 SR |
270 | uint8_t csum = 0; |
271 | uint8_t *p = start; | |
aa0c7a86 PW |
272 | |
273 | /* check len and return zero checksum if invalid */ | |
274 | if (!len) | |
275 | return 0; | |
276 | ||
277 | do { | |
4acd2d24 | 278 | csum += *p; |
aa0c7a86 PW |
279 | p++; |
280 | } while (--len); | |
4acd2d24 SR |
281 | |
282 | return csum; | |
aa0c7a86 PW |
283 | } |
284 | ||
db7cd4ed BS |
285 | size_t kwbimage_header_size(unsigned char *ptr) |
286 | { | |
287 | if (image_version((void *)ptr) == 0) | |
288 | return sizeof(struct main_hdr_v0); | |
289 | else | |
290 | return KWBHEADER_V1_SIZE((struct main_hdr_v1 *)ptr); | |
291 | } | |
292 | ||
293 | /* | |
294 | * Verify checksum over a complete header that includes the checksum field. | |
295 | * Return 1 when OK, otherwise 0. | |
296 | */ | |
297 | static int main_hdr_checksum_ok(void *hdr) | |
298 | { | |
299 | /* Offsets of checksum in v0 and v1 headers are the same */ | |
300 | struct main_hdr_v0 *main_hdr = (struct main_hdr_v0 *)hdr; | |
301 | uint8_t checksum; | |
302 | ||
303 | checksum = image_checksum8(hdr, kwbimage_header_size(hdr)); | |
304 | /* Calculated checksum includes the header checksum field. Compensate | |
305 | * for that. | |
306 | */ | |
307 | checksum -= main_hdr->checksum; | |
308 | ||
309 | return checksum == main_hdr->checksum; | |
310 | } | |
311 | ||
4acd2d24 | 312 | static uint32_t image_checksum32(void *start, uint32_t len) |
aa0c7a86 | 313 | { |
4acd2d24 SR |
314 | uint32_t csum = 0; |
315 | uint32_t *p = start; | |
aa0c7a86 PW |
316 | |
317 | /* check len and return zero checksum if invalid */ | |
318 | if (!len) | |
319 | return 0; | |
320 | ||
321 | if (len % sizeof(uint32_t)) { | |
4acd2d24 SR |
322 | fprintf(stderr, "Length %d is not in multiple of %zu\n", |
323 | len, sizeof(uint32_t)); | |
aa0c7a86 PW |
324 | return 0; |
325 | } | |
326 | ||
327 | do { | |
4acd2d24 | 328 | csum += *p; |
aa0c7a86 PW |
329 | p++; |
330 | len -= sizeof(uint32_t); | |
331 | } while (len > 0); | |
4acd2d24 SR |
332 | |
333 | return csum; | |
aa0c7a86 PW |
334 | } |
335 | ||
4bdb5479 CP |
336 | static uint8_t baudrate_to_option(unsigned int baudrate) |
337 | { | |
338 | switch (baudrate) { | |
339 | case 2400: | |
340 | return MAIN_HDR_V1_OPT_BAUD_2400; | |
341 | case 4800: | |
342 | return MAIN_HDR_V1_OPT_BAUD_4800; | |
343 | case 9600: | |
344 | return MAIN_HDR_V1_OPT_BAUD_9600; | |
345 | case 19200: | |
346 | return MAIN_HDR_V1_OPT_BAUD_19200; | |
347 | case 38400: | |
348 | return MAIN_HDR_V1_OPT_BAUD_38400; | |
349 | case 57600: | |
350 | return MAIN_HDR_V1_OPT_BAUD_57600; | |
351 | case 115200: | |
352 | return MAIN_HDR_V1_OPT_BAUD_115200; | |
353 | default: | |
354 | return MAIN_HDR_V1_OPT_BAUD_DEFAULT; | |
355 | } | |
356 | } | |
357 | ||
a1b6b0a9 MS |
358 | static void kwb_msg(const char *fmt, ...) |
359 | { | |
360 | if (verbose_mode) { | |
361 | va_list ap; | |
362 | ||
363 | va_start(ap, fmt); | |
364 | vfprintf(stdout, fmt, ap); | |
365 | va_end(ap); | |
366 | } | |
367 | } | |
368 | ||
369 | static int openssl_err(const char *msg) | |
370 | { | |
371 | unsigned long ssl_err = ERR_get_error(); | |
372 | ||
373 | fprintf(stderr, "%s", msg); | |
374 | fprintf(stderr, ": %s\n", | |
375 | ERR_error_string(ssl_err, 0)); | |
376 | ||
377 | return -1; | |
378 | } | |
379 | ||
380 | static int kwb_load_rsa_key(const char *keydir, const char *name, RSA **p_rsa) | |
381 | { | |
382 | char path[PATH_MAX]; | |
383 | RSA *rsa; | |
384 | FILE *f; | |
385 | ||
386 | if (!keydir) | |
387 | keydir = "."; | |
388 | ||
389 | snprintf(path, sizeof(path), "%s/%s.key", keydir, name); | |
390 | f = fopen(path, "r"); | |
391 | if (!f) { | |
392 | fprintf(stderr, "Couldn't open RSA private key: '%s': %s\n", | |
393 | path, strerror(errno)); | |
394 | return -ENOENT; | |
395 | } | |
396 | ||
397 | rsa = PEM_read_RSAPrivateKey(f, 0, NULL, ""); | |
398 | if (!rsa) { | |
399 | openssl_err("Failure reading private key"); | |
400 | fclose(f); | |
401 | return -EPROTO; | |
402 | } | |
403 | fclose(f); | |
404 | *p_rsa = rsa; | |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | static int kwb_load_cfg_key(struct image_tool_params *params, | |
410 | unsigned int cfg_option, const char *key_name, | |
411 | RSA **p_key) | |
412 | { | |
413 | struct image_cfg_element *e_key; | |
414 | RSA *key; | |
415 | int res; | |
416 | ||
417 | *p_key = NULL; | |
418 | ||
419 | e_key = image_find_option(cfg_option); | |
420 | if (!e_key) { | |
421 | fprintf(stderr, "%s not configured\n", key_name); | |
422 | return -ENOENT; | |
423 | } | |
424 | ||
425 | res = kwb_load_rsa_key(params->keydir, e_key->key_name, &key); | |
426 | if (res < 0) { | |
427 | fprintf(stderr, "Failed to load %s\n", key_name); | |
428 | return -ENOENT; | |
429 | } | |
430 | ||
431 | *p_key = key; | |
432 | ||
433 | return 0; | |
434 | } | |
435 | ||
436 | static int kwb_load_kak(struct image_tool_params *params, RSA **p_kak) | |
437 | { | |
438 | return kwb_load_cfg_key(params, IMAGE_CFG_KAK, "KAK", p_kak); | |
439 | } | |
440 | ||
441 | static int kwb_load_csk(struct image_tool_params *params, RSA **p_csk) | |
442 | { | |
443 | return kwb_load_cfg_key(params, IMAGE_CFG_CSK, "CSK", p_csk); | |
444 | } | |
445 | ||
446 | static int kwb_compute_pubkey_hash(struct pubkey_der_v1 *pk, | |
447 | struct hash_v1 *hash) | |
448 | { | |
449 | EVP_MD_CTX *ctx; | |
450 | unsigned int key_size; | |
451 | unsigned int hash_size; | |
452 | int ret = 0; | |
453 | ||
454 | if (!pk || !hash || pk->key[0] != 0x30 || pk->key[1] != 0x82) | |
455 | return -EINVAL; | |
456 | ||
457 | key_size = (pk->key[2] << 8) + pk->key[3] + 4; | |
458 | ||
459 | ctx = EVP_MD_CTX_create(); | |
460 | if (!ctx) | |
461 | return openssl_err("EVP context creation failed"); | |
462 | ||
463 | EVP_MD_CTX_init(ctx); | |
464 | if (!EVP_DigestInit(ctx, EVP_sha256())) { | |
465 | ret = openssl_err("Digest setup failed"); | |
466 | goto hash_err_ctx; | |
467 | } | |
468 | ||
469 | if (!EVP_DigestUpdate(ctx, pk->key, key_size)) { | |
470 | ret = openssl_err("Hashing data failed"); | |
471 | goto hash_err_ctx; | |
472 | } | |
473 | ||
474 | if (!EVP_DigestFinal(ctx, hash->hash, &hash_size)) { | |
475 | ret = openssl_err("Could not obtain hash"); | |
476 | goto hash_err_ctx; | |
477 | } | |
478 | ||
479 | EVP_MD_CTX_cleanup(ctx); | |
480 | ||
481 | hash_err_ctx: | |
482 | EVP_MD_CTX_destroy(ctx); | |
483 | return ret; | |
484 | } | |
485 | ||
486 | static int kwb_import_pubkey(RSA **key, struct pubkey_der_v1 *src, char *keyname) | |
487 | { | |
488 | RSA *rsa; | |
489 | const unsigned char *ptr; | |
490 | ||
491 | if (!key || !src) | |
492 | goto fail; | |
493 | ||
494 | ptr = src->key; | |
495 | rsa = d2i_RSAPublicKey(key, &ptr, sizeof(src->key)); | |
496 | if (!rsa) { | |
497 | openssl_err("error decoding public key"); | |
498 | goto fail; | |
499 | } | |
500 | ||
501 | return 0; | |
502 | fail: | |
503 | fprintf(stderr, "Failed to decode %s pubkey\n", keyname); | |
504 | return -EINVAL; | |
505 | } | |
506 | ||
507 | static int kwb_export_pubkey(RSA *key, struct pubkey_der_v1 *dst, FILE *hashf, | |
508 | char *keyname) | |
509 | { | |
510 | int size_exp, size_mod, size_seq; | |
e15843b1 | 511 | const BIGNUM *key_e, *key_n; |
a1b6b0a9 MS |
512 | uint8_t *cur; |
513 | char *errmsg = "Failed to encode %s\n"; | |
514 | ||
e15843b1 JW |
515 | RSA_get0_key(key, NULL, &key_e, NULL); |
516 | RSA_get0_key(key, &key_n, NULL, NULL); | |
517 | ||
518 | if (!key || !key_e || !key_n || !dst) { | |
a1b6b0a9 | 519 | fprintf(stderr, "export pk failed: (%p, %p, %p, %p)", |
e15843b1 | 520 | key, key_e, key_n, dst); |
a1b6b0a9 MS |
521 | fprintf(stderr, errmsg, keyname); |
522 | return -EINVAL; | |
523 | } | |
524 | ||
525 | /* | |
526 | * According to the specs, the key should be PKCS#1 DER encoded. | |
527 | * But unfortunately the really required encoding seems to be different; | |
528 | * it violates DER...! (But it still conformes to BER.) | |
529 | * (Length always in long form w/ 2 byte length code; no leading zero | |
530 | * when MSB of first byte is set...) | |
531 | * So we cannot use the encoding func provided by OpenSSL and have to | |
532 | * do the encoding manually. | |
533 | */ | |
534 | ||
e15843b1 JW |
535 | size_exp = BN_num_bytes(key_e); |
536 | size_mod = BN_num_bytes(key_n); | |
a1b6b0a9 MS |
537 | size_seq = 4 + size_mod + 4 + size_exp; |
538 | ||
539 | if (size_mod > 256) { | |
540 | fprintf(stderr, "export pk failed: wrong mod size: %d\n", | |
541 | size_mod); | |
542 | fprintf(stderr, errmsg, keyname); | |
543 | return -EINVAL; | |
544 | } | |
545 | ||
546 | if (4 + size_seq > sizeof(dst->key)) { | |
547 | fprintf(stderr, "export pk failed: seq too large (%d, %lu)\n", | |
548 | 4 + size_seq, sizeof(dst->key)); | |
549 | fprintf(stderr, errmsg, keyname); | |
550 | return -ENOBUFS; | |
551 | } | |
552 | ||
553 | cur = dst->key; | |
554 | ||
555 | /* PKCS#1 (RFC3447) RSAPublicKey structure */ | |
556 | *cur++ = 0x30; /* SEQUENCE */ | |
557 | *cur++ = 0x82; | |
558 | *cur++ = (size_seq >> 8) & 0xFF; | |
559 | *cur++ = size_seq & 0xFF; | |
560 | /* Modulus */ | |
561 | *cur++ = 0x02; /* INTEGER */ | |
562 | *cur++ = 0x82; | |
563 | *cur++ = (size_mod >> 8) & 0xFF; | |
564 | *cur++ = size_mod & 0xFF; | |
e15843b1 | 565 | BN_bn2bin(key_n, cur); |
a1b6b0a9 MS |
566 | cur += size_mod; |
567 | /* Exponent */ | |
568 | *cur++ = 0x02; /* INTEGER */ | |
569 | *cur++ = 0x82; | |
570 | *cur++ = (size_exp >> 8) & 0xFF; | |
571 | *cur++ = size_exp & 0xFF; | |
e15843b1 | 572 | BN_bn2bin(key_e, cur); |
a1b6b0a9 MS |
573 | |
574 | if (hashf) { | |
575 | struct hash_v1 pk_hash; | |
576 | int i; | |
577 | int ret = 0; | |
578 | ||
579 | ret = kwb_compute_pubkey_hash(dst, &pk_hash); | |
580 | if (ret < 0) { | |
581 | fprintf(stderr, errmsg, keyname); | |
582 | return ret; | |
583 | } | |
584 | ||
585 | fprintf(hashf, "SHA256 = "); | |
586 | for (i = 0 ; i < sizeof(pk_hash.hash); ++i) | |
587 | fprintf(hashf, "%02X", pk_hash.hash[i]); | |
588 | fprintf(hashf, "\n"); | |
589 | } | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
594 | int kwb_sign(RSA *key, void *data, int datasz, struct sig_v1 *sig, char *signame) | |
595 | { | |
596 | EVP_PKEY *evp_key; | |
597 | EVP_MD_CTX *ctx; | |
598 | unsigned int sig_size; | |
599 | int size; | |
600 | int ret = 0; | |
601 | ||
602 | evp_key = EVP_PKEY_new(); | |
603 | if (!evp_key) | |
604 | return openssl_err("EVP_PKEY object creation failed"); | |
605 | ||
606 | if (!EVP_PKEY_set1_RSA(evp_key, key)) { | |
607 | ret = openssl_err("EVP key setup failed"); | |
608 | goto err_key; | |
609 | } | |
610 | ||
611 | size = EVP_PKEY_size(evp_key); | |
612 | if (size > sizeof(sig->sig)) { | |
613 | fprintf(stderr, "Buffer to small for signature (%d bytes)\n", | |
614 | size); | |
615 | ret = -ENOBUFS; | |
616 | goto err_key; | |
617 | } | |
618 | ||
619 | ctx = EVP_MD_CTX_create(); | |
620 | if (!ctx) { | |
621 | ret = openssl_err("EVP context creation failed"); | |
622 | goto err_key; | |
623 | } | |
624 | EVP_MD_CTX_init(ctx); | |
625 | if (!EVP_SignInit(ctx, EVP_sha256())) { | |
626 | ret = openssl_err("Signer setup failed"); | |
627 | goto err_ctx; | |
628 | } | |
629 | ||
630 | if (!EVP_SignUpdate(ctx, data, datasz)) { | |
631 | ret = openssl_err("Signing data failed"); | |
632 | goto err_ctx; | |
633 | } | |
634 | ||
635 | if (!EVP_SignFinal(ctx, sig->sig, &sig_size, evp_key)) { | |
636 | ret = openssl_err("Could not obtain signature"); | |
637 | goto err_ctx; | |
638 | } | |
639 | ||
640 | EVP_MD_CTX_cleanup(ctx); | |
641 | EVP_MD_CTX_destroy(ctx); | |
642 | EVP_PKEY_free(evp_key); | |
643 | ||
644 | return 0; | |
645 | ||
646 | err_ctx: | |
647 | EVP_MD_CTX_destroy(ctx); | |
648 | err_key: | |
649 | EVP_PKEY_free(evp_key); | |
650 | fprintf(stderr, "Failed to create %s signature\n", signame); | |
651 | return ret; | |
652 | } | |
653 | ||
654 | int kwb_verify(RSA *key, void *data, int datasz, struct sig_v1 *sig, | |
655 | char *signame) | |
656 | { | |
657 | EVP_PKEY *evp_key; | |
658 | EVP_MD_CTX *ctx; | |
659 | int size; | |
660 | int ret = 0; | |
661 | ||
662 | evp_key = EVP_PKEY_new(); | |
663 | if (!evp_key) | |
664 | return openssl_err("EVP_PKEY object creation failed"); | |
665 | ||
666 | if (!EVP_PKEY_set1_RSA(evp_key, key)) { | |
667 | ret = openssl_err("EVP key setup failed"); | |
668 | goto err_key; | |
669 | } | |
670 | ||
671 | size = EVP_PKEY_size(evp_key); | |
672 | if (size > sizeof(sig->sig)) { | |
673 | fprintf(stderr, "Invalid signature size (%d bytes)\n", | |
674 | size); | |
675 | ret = -EINVAL; | |
676 | goto err_key; | |
677 | } | |
678 | ||
679 | ctx = EVP_MD_CTX_create(); | |
680 | if (!ctx) { | |
681 | ret = openssl_err("EVP context creation failed"); | |
682 | goto err_key; | |
683 | } | |
684 | EVP_MD_CTX_init(ctx); | |
685 | if (!EVP_VerifyInit(ctx, EVP_sha256())) { | |
686 | ret = openssl_err("Verifier setup failed"); | |
687 | goto err_ctx; | |
688 | } | |
689 | ||
690 | if (!EVP_VerifyUpdate(ctx, data, datasz)) { | |
691 | ret = openssl_err("Hashing data failed"); | |
692 | goto err_ctx; | |
693 | } | |
694 | ||
22515123 | 695 | if (EVP_VerifyFinal(ctx, sig->sig, sizeof(sig->sig), evp_key) != 1) { |
a1b6b0a9 MS |
696 | ret = openssl_err("Could not verify signature"); |
697 | goto err_ctx; | |
698 | } | |
699 | ||
700 | EVP_MD_CTX_cleanup(ctx); | |
701 | EVP_MD_CTX_destroy(ctx); | |
702 | EVP_PKEY_free(evp_key); | |
703 | ||
704 | return 0; | |
705 | ||
706 | err_ctx: | |
707 | EVP_MD_CTX_destroy(ctx); | |
708 | err_key: | |
709 | EVP_PKEY_free(evp_key); | |
710 | fprintf(stderr, "Failed to verify %s signature\n", signame); | |
711 | return ret; | |
712 | } | |
713 | ||
714 | int kwb_sign_and_verify(RSA *key, void *data, int datasz, struct sig_v1 *sig, | |
715 | char *signame) | |
716 | { | |
717 | if (kwb_sign(key, data, datasz, sig, signame) < 0) | |
718 | return -1; | |
719 | ||
720 | if (kwb_verify(key, data, datasz, sig, signame) < 0) | |
721 | return -1; | |
722 | ||
723 | return 0; | |
724 | } | |
725 | ||
726 | ||
727 | int kwb_dump_fuse_cmds_38x(FILE *out, struct secure_hdr_v1 *sec_hdr) | |
728 | { | |
729 | struct hash_v1 kak_pub_hash; | |
730 | struct image_cfg_element *e; | |
731 | unsigned int fuse_line; | |
732 | int i, idx; | |
733 | uint8_t *ptr; | |
734 | uint32_t val; | |
735 | int ret = 0; | |
736 | ||
737 | if (!out || !sec_hdr) | |
738 | return -EINVAL; | |
739 | ||
740 | ret = kwb_compute_pubkey_hash(&sec_hdr->kak, &kak_pub_hash); | |
741 | if (ret < 0) | |
742 | goto done; | |
743 | ||
744 | fprintf(out, "# burn KAK pub key hash\n"); | |
745 | ptr = kak_pub_hash.hash; | |
746 | for (fuse_line = 26; fuse_line <= 30; ++fuse_line) { | |
747 | fprintf(out, "fuse prog -y %u 0 ", fuse_line); | |
748 | ||
749 | for (i = 4; i-- > 0;) | |
750 | fprintf(out, "%02hx", (ushort)ptr[i]); | |
751 | ptr += 4; | |
752 | fprintf(out, " 00"); | |
753 | ||
754 | if (fuse_line < 30) { | |
755 | for (i = 3; i-- > 0;) | |
756 | fprintf(out, "%02hx", (ushort)ptr[i]); | |
757 | ptr += 3; | |
758 | } else { | |
759 | fprintf(out, "000000"); | |
760 | } | |
761 | ||
762 | fprintf(out, " 1\n"); | |
763 | } | |
764 | ||
765 | fprintf(out, "# burn CSK selection\n"); | |
766 | ||
767 | idx = image_get_csk_index(); | |
768 | if (idx < 0 || idx > 15) { | |
769 | ret = -EINVAL; | |
770 | goto done; | |
771 | } | |
772 | if (idx > 0) { | |
773 | for (fuse_line = 31; fuse_line < 31 + idx; ++fuse_line) | |
774 | fprintf(out, "fuse prog -y %u 0 00000001 00000000 1\n", | |
775 | fuse_line); | |
776 | } else { | |
777 | fprintf(out, "# CSK index is 0; no mods needed\n"); | |
778 | } | |
779 | ||
780 | e = image_find_option(IMAGE_CFG_BOX_ID); | |
781 | if (e) { | |
782 | fprintf(out, "# set box ID\n"); | |
783 | fprintf(out, "fuse prog -y 48 0 %08x 00000000 1\n", e->boxid); | |
784 | } | |
785 | ||
786 | e = image_find_option(IMAGE_CFG_FLASH_ID); | |
787 | if (e) { | |
788 | fprintf(out, "# set flash ID\n"); | |
789 | fprintf(out, "fuse prog -y 47 0 %08x 00000000 1\n", e->flashid); | |
790 | } | |
791 | ||
792 | fprintf(out, "# enable secure mode "); | |
793 | fprintf(out, "(must be the last fuse line written)\n"); | |
794 | ||
795 | val = 1; | |
796 | e = image_find_option(IMAGE_CFG_SEC_BOOT_DEV); | |
797 | if (!e) { | |
798 | fprintf(stderr, "ERROR: secured mode boot device not given\n"); | |
799 | ret = -EINVAL; | |
800 | goto done; | |
801 | } | |
802 | ||
803 | if (e->sec_boot_dev > 0xff) { | |
804 | fprintf(stderr, "ERROR: secured mode boot device invalid\n"); | |
805 | ret = -EINVAL; | |
806 | goto done; | |
807 | } | |
808 | ||
809 | val |= (e->sec_boot_dev << 8); | |
810 | ||
811 | fprintf(out, "fuse prog -y 24 0 %08x 0103e0a9 1\n", val); | |
812 | ||
813 | fprintf(out, "# lock (unused) fuse lines (0-23)s\n"); | |
814 | for (fuse_line = 0; fuse_line < 24; ++fuse_line) | |
815 | fprintf(out, "fuse prog -y %u 2 1\n", fuse_line); | |
816 | ||
817 | fprintf(out, "# OK, that's all :-)\n"); | |
818 | ||
819 | done: | |
820 | return ret; | |
821 | } | |
822 | ||
823 | static int kwb_dump_fuse_cmds(struct secure_hdr_v1 *sec_hdr) | |
824 | { | |
825 | int ret = 0; | |
826 | struct image_cfg_element *e; | |
827 | ||
828 | e = image_find_option(IMAGE_CFG_SEC_FUSE_DUMP); | |
829 | if (!e) | |
830 | return 0; | |
831 | ||
832 | if (!strcmp(e->name, "a38x")) { | |
833 | FILE *out = fopen("kwb_fuses_a38x.txt", "w+"); | |
834 | ||
f858bb2e HS |
835 | if (!out) { |
836 | fprintf(stderr, "Couldn't open eFuse settings: '%s': %s\n", | |
837 | "kwb_fuses_a38x.txt", strerror(errno)); | |
838 | return -ENOENT; | |
839 | } | |
840 | ||
a1b6b0a9 MS |
841 | kwb_dump_fuse_cmds_38x(out, sec_hdr); |
842 | fclose(out); | |
843 | goto done; | |
844 | } | |
845 | ||
846 | ret = -ENOSYS; | |
847 | ||
848 | done: | |
849 | return ret; | |
850 | } | |
851 | ||
4acd2d24 SR |
852 | static void *image_create_v0(size_t *imagesz, struct image_tool_params *params, |
853 | int payloadsz) | |
aa0c7a86 | 854 | { |
4acd2d24 SR |
855 | struct image_cfg_element *e; |
856 | size_t headersz; | |
857 | struct main_hdr_v0 *main_hdr; | |
885fba15 | 858 | uint8_t *image; |
4acd2d24 SR |
859 | int has_ext = 0; |
860 | ||
861 | /* | |
862 | * Calculate the size of the header and the size of the | |
863 | * payload | |
864 | */ | |
865 | headersz = sizeof(struct main_hdr_v0); | |
866 | ||
867 | if (image_count_options(IMAGE_CFG_DATA) > 0) { | |
868 | has_ext = 1; | |
869 | headersz += sizeof(struct ext_hdr_v0); | |
870 | } | |
871 | ||
4acd2d24 SR |
872 | image = malloc(headersz); |
873 | if (!image) { | |
874 | fprintf(stderr, "Cannot allocate memory for image\n"); | |
875 | return NULL; | |
aa0c7a86 | 876 | } |
aa0c7a86 | 877 | |
4acd2d24 SR |
878 | memset(image, 0, headersz); |
879 | ||
885fba15 | 880 | main_hdr = (struct main_hdr_v0 *)image; |
4acd2d24 SR |
881 | |
882 | /* Fill in the main header */ | |
a8840dce | 883 | main_hdr->blocksize = |
37cb9c15 | 884 | cpu_to_le32(payloadsz - headersz); |
a8840dce | 885 | main_hdr->srcaddr = cpu_to_le32(headersz); |
4acd2d24 | 886 | main_hdr->ext = has_ext; |
a8840dce RP |
887 | main_hdr->destaddr = cpu_to_le32(params->addr); |
888 | main_hdr->execaddr = cpu_to_le32(params->ep); | |
4acd2d24 SR |
889 | |
890 | e = image_find_option(IMAGE_CFG_BOOT_FROM); | |
891 | if (e) | |
892 | main_hdr->blockid = e->bootfrom; | |
893 | e = image_find_option(IMAGE_CFG_NAND_ECC_MODE); | |
894 | if (e) | |
895 | main_hdr->nandeccmode = e->nandeccmode; | |
896 | e = image_find_option(IMAGE_CFG_NAND_PAGESZ); | |
897 | if (e) | |
a8840dce | 898 | main_hdr->nandpagesize = cpu_to_le16(e->nandpagesz); |
4acd2d24 SR |
899 | main_hdr->checksum = image_checksum8(image, |
900 | sizeof(struct main_hdr_v0)); | |
901 | ||
902 | /* Generate the ext header */ | |
903 | if (has_ext) { | |
e89016c4 | 904 | struct ext_hdr_v0 *ext_hdr; |
4acd2d24 SR |
905 | int cfgi, datai; |
906 | ||
885fba15 MS |
907 | ext_hdr = (struct ext_hdr_v0 *) |
908 | (image + sizeof(struct main_hdr_v0)); | |
a8840dce | 909 | ext_hdr->offset = cpu_to_le32(0x40); |
4acd2d24 SR |
910 | |
911 | for (cfgi = 0, datai = 0; cfgi < cfgn; cfgi++) { | |
912 | e = &image_cfg[cfgi]; | |
913 | if (e->type != IMAGE_CFG_DATA) | |
914 | continue; | |
915 | ||
a8840dce RP |
916 | ext_hdr->rcfg[datai].raddr = |
917 | cpu_to_le32(e->regdata.raddr); | |
918 | ext_hdr->rcfg[datai].rdata = | |
919 | cpu_to_le32(e->regdata.rdata); | |
4acd2d24 SR |
920 | datai++; |
921 | } | |
922 | ||
923 | ext_hdr->checksum = image_checksum8(ext_hdr, | |
924 | sizeof(struct ext_hdr_v0)); | |
925 | } | |
926 | ||
927 | *imagesz = headersz; | |
928 | return image; | |
aa0c7a86 PW |
929 | } |
930 | ||
e93cf53f | 931 | static size_t image_headersz_v1(int *hasext) |
4acd2d24 SR |
932 | { |
933 | struct image_cfg_element *binarye; | |
02ba70ad | 934 | unsigned int count; |
4acd2d24 | 935 | size_t headersz; |
d9fb82c5 | 936 | int cfgi; |
4acd2d24 SR |
937 | |
938 | /* | |
939 | * Calculate the size of the header and the size of the | |
940 | * payload | |
941 | */ | |
942 | headersz = sizeof(struct main_hdr_v1); | |
943 | ||
02ba70ad T |
944 | count = image_count_options(IMAGE_CFG_DATA); |
945 | if (count > 0) | |
946 | headersz += sizeof(struct register_set_hdr_v1) + 8 * count + 4; | |
947 | ||
d9fb82c5 | 948 | for (cfgi = 0; cfgi < cfgn; cfgi++) { |
e89016c4 | 949 | int ret; |
4acd2d24 SR |
950 | struct stat s; |
951 | ||
d9fb82c5 T |
952 | binarye = &image_cfg[cfgi]; |
953 | if (binarye->type != IMAGE_CFG_BINARY) | |
954 | continue; | |
955 | ||
4acd2d24 SR |
956 | ret = stat(binarye->binary.file, &s); |
957 | if (ret < 0) { | |
e5f1a586 AB |
958 | char cwd[PATH_MAX]; |
959 | char *dir = cwd; | |
960 | ||
961 | memset(cwd, 0, sizeof(cwd)); | |
962 | if (!getcwd(cwd, sizeof(cwd))) { | |
963 | dir = "current working directory"; | |
964 | perror("getcwd() failed"); | |
965 | } | |
966 | ||
4acd2d24 SR |
967 | fprintf(stderr, |
968 | "Didn't find the file '%s' in '%s' which is mandatory to generate the image\n" | |
969 | "This file generally contains the DDR3 training code, and should be extracted from an existing bootable\n" | |
3d7b93d5 | 970 | "image for your board. Use 'dumpimage -T kwbimage -p 0' to extract it from an existing image.\n", |
e5f1a586 | 971 | binarye->binary.file, dir); |
4acd2d24 SR |
972 | return 0; |
973 | } | |
aa0c7a86 | 974 | |
76b391cd | 975 | headersz += sizeof(struct opt_hdr_v1) + |
6458fd4f | 976 | ALIGN(s.st_size, 4) + |
76b391cd | 977 | (binarye->binary.nargs + 2) * sizeof(uint32_t); |
4acd2d24 SR |
978 | if (hasext) |
979 | *hasext = 1; | |
980 | } | |
aa0c7a86 | 981 | |
a1b6b0a9 MS |
982 | if (image_get_csk_index() >= 0) { |
983 | headersz += sizeof(struct secure_hdr_v1); | |
984 | if (hasext) | |
985 | *hasext = 1; | |
986 | } | |
a1b6b0a9 | 987 | |
4acd2d24 SR |
988 | /* |
989 | * The payload should be aligned on some reasonable | |
990 | * boundary | |
991 | */ | |
e002ee7e | 992 | return ALIGN(headersz, 4096); |
4acd2d24 | 993 | } |
aa0c7a86 | 994 | |
d9fb82c5 T |
995 | int add_binary_header_v1(uint8_t **cur, uint8_t **next_ext, |
996 | struct image_cfg_element *binarye) | |
79066ef8 | 997 | { |
d9fb82c5 | 998 | struct opt_hdr_v1 *hdr = (struct opt_hdr_v1 *)*cur; |
79066ef8 MS |
999 | uint32_t *args; |
1000 | size_t binhdrsz; | |
1001 | struct stat s; | |
1002 | int argi; | |
1003 | FILE *bin; | |
1004 | int ret; | |
1005 | ||
79066ef8 MS |
1006 | hdr->headertype = OPT_HDR_V1_BINARY_TYPE; |
1007 | ||
1008 | bin = fopen(binarye->binary.file, "r"); | |
1009 | if (!bin) { | |
1010 | fprintf(stderr, "Cannot open binary file %s\n", | |
1011 | binarye->binary.file); | |
1012 | return -1; | |
1013 | } | |
1014 | ||
1f6c8a57 MS |
1015 | if (fstat(fileno(bin), &s)) { |
1016 | fprintf(stderr, "Cannot stat binary file %s\n", | |
1017 | binarye->binary.file); | |
1018 | goto err_close; | |
1019 | } | |
79066ef8 MS |
1020 | |
1021 | binhdrsz = sizeof(struct opt_hdr_v1) + | |
1022 | (binarye->binary.nargs + 2) * sizeof(uint32_t) + | |
6458fd4f | 1023 | ALIGN(s.st_size, 4); |
79066ef8 MS |
1024 | hdr->headersz_lsb = cpu_to_le16(binhdrsz & 0xFFFF); |
1025 | hdr->headersz_msb = (binhdrsz & 0xFFFF0000) >> 16; | |
1026 | ||
d9fb82c5 | 1027 | *cur += sizeof(struct opt_hdr_v1); |
79066ef8 | 1028 | |
d9fb82c5 | 1029 | args = (uint32_t *)*cur; |
79066ef8 MS |
1030 | *args = cpu_to_le32(binarye->binary.nargs); |
1031 | args++; | |
1032 | for (argi = 0; argi < binarye->binary.nargs; argi++) | |
1033 | args[argi] = cpu_to_le32(binarye->binary.args[argi]); | |
1034 | ||
d9fb82c5 | 1035 | *cur += (binarye->binary.nargs + 1) * sizeof(uint32_t); |
79066ef8 | 1036 | |
d9fb82c5 | 1037 | ret = fread(*cur, s.st_size, 1, bin); |
79066ef8 MS |
1038 | if (ret != 1) { |
1039 | fprintf(stderr, | |
1040 | "Could not read binary image %s\n", | |
1041 | binarye->binary.file); | |
1f6c8a57 | 1042 | goto err_close; |
79066ef8 MS |
1043 | } |
1044 | ||
1045 | fclose(bin); | |
1046 | ||
d9fb82c5 | 1047 | *cur += ALIGN(s.st_size, 4); |
79066ef8 | 1048 | |
d9fb82c5 T |
1049 | *((uint32_t *)*cur) = 0x00000000; |
1050 | **next_ext = 1; | |
1051 | *next_ext = *cur; | |
79066ef8 | 1052 | |
d9fb82c5 | 1053 | *cur += sizeof(uint32_t); |
79066ef8 MS |
1054 | |
1055 | return 0; | |
1f6c8a57 MS |
1056 | |
1057 | err_close: | |
1058 | fclose(bin); | |
1059 | ||
1060 | return -1; | |
79066ef8 MS |
1061 | } |
1062 | ||
a1b6b0a9 MS |
1063 | int export_pub_kak_hash(RSA *kak, struct secure_hdr_v1 *secure_hdr) |
1064 | { | |
1065 | FILE *hashf; | |
1066 | int res; | |
1067 | ||
1068 | hashf = fopen("pub_kak_hash.txt", "w"); | |
f858bb2e HS |
1069 | if (!hashf) { |
1070 | fprintf(stderr, "Couldn't open hash file: '%s': %s\n", | |
1071 | "pub_kak_hash.txt", strerror(errno)); | |
1072 | return 1; | |
1073 | } | |
a1b6b0a9 MS |
1074 | |
1075 | res = kwb_export_pubkey(kak, &secure_hdr->kak, hashf, "KAK"); | |
1076 | ||
1077 | fclose(hashf); | |
1078 | ||
1079 | return res < 0 ? 1 : 0; | |
1080 | } | |
1081 | ||
1082 | int kwb_sign_csk_with_kak(struct image_tool_params *params, | |
1083 | struct secure_hdr_v1 *secure_hdr, RSA *csk) | |
1084 | { | |
1085 | RSA *kak = NULL; | |
1086 | RSA *kak_pub = NULL; | |
1087 | int csk_idx = image_get_csk_index(); | |
1088 | struct sig_v1 tmp_sig; | |
1089 | ||
1090 | if (csk_idx >= 16) { | |
1091 | fprintf(stderr, "Invalid CSK index %d\n", csk_idx); | |
1092 | return 1; | |
1093 | } | |
1094 | ||
1095 | if (kwb_load_kak(params, &kak) < 0) | |
1096 | return 1; | |
1097 | ||
1098 | if (export_pub_kak_hash(kak, secure_hdr)) | |
1099 | return 1; | |
1100 | ||
1101 | if (kwb_import_pubkey(&kak_pub, &secure_hdr->kak, "KAK") < 0) | |
1102 | return 1; | |
1103 | ||
1104 | if (kwb_export_pubkey(csk, &secure_hdr->csk[csk_idx], NULL, "CSK") < 0) | |
1105 | return 1; | |
1106 | ||
1107 | if (kwb_sign_and_verify(kak, &secure_hdr->csk, | |
1108 | sizeof(secure_hdr->csk) + | |
1109 | sizeof(secure_hdr->csksig), | |
1110 | &tmp_sig, "CSK") < 0) | |
1111 | return 1; | |
1112 | ||
1113 | if (kwb_verify(kak_pub, &secure_hdr->csk, | |
1114 | sizeof(secure_hdr->csk) + | |
1115 | sizeof(secure_hdr->csksig), | |
1116 | &tmp_sig, "CSK (2)") < 0) | |
1117 | return 1; | |
1118 | ||
1119 | secure_hdr->csksig = tmp_sig; | |
1120 | ||
1121 | return 0; | |
1122 | } | |
1123 | ||
1124 | int add_secure_header_v1(struct image_tool_params *params, uint8_t *ptr, | |
1125 | int payloadsz, size_t headersz, uint8_t *image, | |
1126 | struct secure_hdr_v1 *secure_hdr) | |
1127 | { | |
1128 | struct image_cfg_element *e_jtagdelay; | |
1129 | struct image_cfg_element *e_boxid; | |
1130 | struct image_cfg_element *e_flashid; | |
1131 | RSA *csk = NULL; | |
1132 | unsigned char *image_ptr; | |
1133 | size_t image_size; | |
1134 | struct sig_v1 tmp_sig; | |
1135 | bool specialized_img = image_get_spezialized_img(); | |
1136 | ||
1137 | kwb_msg("Create secure header content\n"); | |
1138 | ||
1139 | e_jtagdelay = image_find_option(IMAGE_CFG_JTAG_DELAY); | |
1140 | e_boxid = image_find_option(IMAGE_CFG_BOX_ID); | |
1141 | e_flashid = image_find_option(IMAGE_CFG_FLASH_ID); | |
1142 | ||
1143 | if (kwb_load_csk(params, &csk) < 0) | |
1144 | return 1; | |
1145 | ||
1146 | secure_hdr->headertype = OPT_HDR_V1_SECURE_TYPE; | |
1147 | secure_hdr->headersz_msb = 0; | |
1148 | secure_hdr->headersz_lsb = cpu_to_le16(sizeof(struct secure_hdr_v1)); | |
1149 | if (e_jtagdelay) | |
1150 | secure_hdr->jtag_delay = e_jtagdelay->jtag_delay; | |
1151 | if (e_boxid && specialized_img) | |
1152 | secure_hdr->boxid = cpu_to_le32(e_boxid->boxid); | |
1153 | if (e_flashid && specialized_img) | |
1154 | secure_hdr->flashid = cpu_to_le32(e_flashid->flashid); | |
1155 | ||
1156 | if (kwb_sign_csk_with_kak(params, secure_hdr, csk)) | |
1157 | return 1; | |
1158 | ||
1159 | image_ptr = ptr + headersz; | |
1160 | image_size = payloadsz - headersz; | |
1161 | ||
1162 | if (kwb_sign_and_verify(csk, image_ptr, image_size, | |
1163 | &secure_hdr->imgsig, "image") < 0) | |
1164 | return 1; | |
1165 | ||
1166 | if (kwb_sign_and_verify(csk, image, headersz, &tmp_sig, "header") < 0) | |
1167 | return 1; | |
1168 | ||
1169 | secure_hdr->hdrsig = tmp_sig; | |
1170 | ||
1171 | kwb_dump_fuse_cmds(secure_hdr); | |
1172 | ||
1173 | return 0; | |
1174 | } | |
a1b6b0a9 | 1175 | |
4acd2d24 | 1176 | static void *image_create_v1(size_t *imagesz, struct image_tool_params *params, |
a1b6b0a9 | 1177 | uint8_t *ptr, int payloadsz) |
4acd2d24 | 1178 | { |
79066ef8 | 1179 | struct image_cfg_element *e; |
4acd2d24 | 1180 | struct main_hdr_v1 *main_hdr; |
02ba70ad | 1181 | struct register_set_hdr_v1 *register_set_hdr; |
a1b6b0a9 | 1182 | struct secure_hdr_v1 *secure_hdr = NULL; |
4acd2d24 | 1183 | size_t headersz; |
885fba15 | 1184 | uint8_t *image, *cur; |
4acd2d24 | 1185 | int hasext = 0; |
a1b6b0a9 | 1186 | uint8_t *next_ext = NULL; |
02ba70ad | 1187 | int cfgi, datai, size; |
4acd2d24 SR |
1188 | |
1189 | /* | |
1190 | * Calculate the size of the header and the size of the | |
1191 | * payload | |
1192 | */ | |
e93cf53f | 1193 | headersz = image_headersz_v1(&hasext); |
4acd2d24 SR |
1194 | if (headersz == 0) |
1195 | return NULL; | |
1196 | ||
1197 | image = malloc(headersz); | |
1198 | if (!image) { | |
1199 | fprintf(stderr, "Cannot allocate memory for image\n"); | |
1200 | return NULL; | |
1201 | } | |
aa0c7a86 | 1202 | |
4acd2d24 SR |
1203 | memset(image, 0, headersz); |
1204 | ||
885fba15 | 1205 | main_hdr = (struct main_hdr_v1 *)image; |
a1b6b0a9 MS |
1206 | cur = image; |
1207 | cur += sizeof(struct main_hdr_v1); | |
1208 | next_ext = &main_hdr->ext; | |
4acd2d24 SR |
1209 | |
1210 | /* Fill the main header */ | |
a8840dce | 1211 | main_hdr->blocksize = |
37cb9c15 | 1212 | cpu_to_le32(payloadsz - headersz); |
a8840dce | 1213 | main_hdr->headersz_lsb = cpu_to_le16(headersz & 0xFFFF); |
4acd2d24 | 1214 | main_hdr->headersz_msb = (headersz & 0xFFFF0000) >> 16; |
cc3443ff | 1215 | main_hdr->destaddr = cpu_to_le32(params->addr); |
a8840dce RP |
1216 | main_hdr->execaddr = cpu_to_le32(params->ep); |
1217 | main_hdr->srcaddr = cpu_to_le32(headersz); | |
4acd2d24 SR |
1218 | main_hdr->ext = hasext; |
1219 | main_hdr->version = 1; | |
1220 | e = image_find_option(IMAGE_CFG_BOOT_FROM); | |
1221 | if (e) | |
1222 | main_hdr->blockid = e->bootfrom; | |
1223 | e = image_find_option(IMAGE_CFG_NAND_BLKSZ); | |
1224 | if (e) | |
1225 | main_hdr->nandblocksize = e->nandblksz / (64 * 1024); | |
1226 | e = image_find_option(IMAGE_CFG_NAND_BADBLK_LOCATION); | |
1227 | if (e) | |
1228 | main_hdr->nandbadblklocation = e->nandbadblklocation; | |
4bdb5479 CP |
1229 | e = image_find_option(IMAGE_CFG_BAUDRATE); |
1230 | if (e) | |
1231 | main_hdr->options = baudrate_to_option(e->baudrate); | |
2611c05e CP |
1232 | e = image_find_option(IMAGE_CFG_DEBUG); |
1233 | if (e) | |
1234 | main_hdr->flags = e->debug ? 0x1 : 0; | |
4acd2d24 | 1235 | |
501a54a2 T |
1236 | /* |
1237 | * For SATA srcaddr is specified in number of sectors starting from | |
1238 | * sector 0. The main header is stored at sector number 1. | |
1239 | * This expects the sector size to be 512 bytes. | |
1240 | * Header size is already aligned. | |
1241 | */ | |
1242 | if (main_hdr->blockid == IBR_HDR_SATA_ID) | |
1243 | main_hdr->srcaddr = cpu_to_le32(headersz / 512 + 1); | |
1244 | ||
1245 | /* | |
1246 | * For SDIO srcaddr is specified in number of sectors starting from | |
1247 | * sector 0. The main header is stored at sector number 0. | |
1248 | * This expects sector size to be 512 bytes. | |
1249 | * Header size is already aligned. | |
1250 | */ | |
1251 | if (main_hdr->blockid == IBR_HDR_SDIO_ID) | |
1252 | main_hdr->srcaddr = cpu_to_le32(headersz / 512); | |
1253 | ||
1254 | /* For PCIe srcaddr is not used and must be set to 0xFFFFFFFF. */ | |
1255 | if (main_hdr->blockid == IBR_HDR_PEX_ID) | |
1256 | main_hdr->srcaddr = cpu_to_le32(0xFFFFFFFF); | |
1257 | ||
a1b6b0a9 MS |
1258 | if (image_get_csk_index() >= 0) { |
1259 | /* | |
1260 | * only reserve the space here; we fill the header later since | |
1261 | * we need the header to be complete to compute the signatures | |
1262 | */ | |
1263 | secure_hdr = (struct secure_hdr_v1 *)cur; | |
1264 | cur += sizeof(struct secure_hdr_v1); | |
d9fb82c5 | 1265 | *next_ext = 1; |
a1b6b0a9 MS |
1266 | next_ext = &secure_hdr->next; |
1267 | } | |
a1b6b0a9 | 1268 | |
02ba70ad T |
1269 | datai = 0; |
1270 | register_set_hdr = (struct register_set_hdr_v1 *)cur; | |
1271 | for (cfgi = 0; cfgi < cfgn; cfgi++) { | |
1272 | e = &image_cfg[cfgi]; | |
f63c583f T |
1273 | if (e->type != IMAGE_CFG_DATA && |
1274 | e->type != IMAGE_CFG_DATA_DELAY) | |
02ba70ad | 1275 | continue; |
f63c583f T |
1276 | if (e->type == IMAGE_CFG_DATA_DELAY) { |
1277 | size = sizeof(struct register_set_hdr_v1) + 8 * datai + 4; | |
1278 | register_set_hdr->headertype = OPT_HDR_V1_REGISTER_TYPE; | |
1279 | register_set_hdr->headersz_lsb = cpu_to_le16(size & 0xFFFF); | |
1280 | register_set_hdr->headersz_msb = size >> 16; | |
1281 | register_set_hdr->data[datai].last_entry.delay = e->regdata_delay; | |
1282 | cur += size; | |
1283 | *next_ext = 1; | |
1284 | next_ext = ®ister_set_hdr->data[datai].last_entry.next; | |
1285 | datai = 0; | |
1286 | continue; | |
1287 | } | |
02ba70ad T |
1288 | register_set_hdr->data[datai].entry.address = |
1289 | cpu_to_le32(e->regdata.raddr); | |
1290 | register_set_hdr->data[datai].entry.value = | |
1291 | cpu_to_le32(e->regdata.rdata); | |
1292 | datai++; | |
1293 | } | |
1294 | if (datai != 0) { | |
1295 | size = sizeof(struct register_set_hdr_v1) + 8 * datai + 4; | |
1296 | register_set_hdr->headertype = OPT_HDR_V1_REGISTER_TYPE; | |
1297 | register_set_hdr->headersz_lsb = cpu_to_le16(size & 0xFFFF); | |
1298 | register_set_hdr->headersz_msb = size >> 16; | |
1299 | /* Set delay to the smallest possible value 1ms. */ | |
1300 | register_set_hdr->data[datai].last_entry.delay = 1; | |
1301 | cur += size; | |
1302 | *next_ext = 1; | |
1303 | next_ext = ®ister_set_hdr->data[datai].last_entry.next; | |
1304 | } | |
1305 | ||
d9fb82c5 T |
1306 | for (cfgi = 0; cfgi < cfgn; cfgi++) { |
1307 | e = &image_cfg[cfgi]; | |
1308 | if (e->type != IMAGE_CFG_BINARY) | |
1309 | continue; | |
1310 | ||
1311 | if (add_binary_header_v1(&cur, &next_ext, e)) | |
1312 | return NULL; | |
1313 | } | |
4acd2d24 | 1314 | |
a1b6b0a9 MS |
1315 | if (secure_hdr && add_secure_header_v1(params, ptr, payloadsz, |
1316 | headersz, image, secure_hdr)) | |
1317 | return NULL; | |
a1b6b0a9 | 1318 | |
4acd2d24 SR |
1319 | /* Calculate and set the header checksum */ |
1320 | main_hdr->checksum = image_checksum8(main_hdr, headersz); | |
1321 | ||
1322 | *imagesz = headersz; | |
1323 | return image; | |
1324 | } | |
1325 | ||
4991b4f7 MS |
1326 | int recognize_keyword(char *keyword) |
1327 | { | |
1328 | int kw_id; | |
1329 | ||
1330 | for (kw_id = 1; kw_id < IMAGE_CFG_COUNT; ++kw_id) | |
1331 | if (!strcmp(keyword, id_strs[kw_id])) | |
1332 | return kw_id; | |
1333 | ||
1334 | return 0; | |
1335 | } | |
1336 | ||
4acd2d24 SR |
1337 | static int image_create_config_parse_oneline(char *line, |
1338 | struct image_cfg_element *el) | |
1339 | { | |
4991b4f7 MS |
1340 | char *keyword, *saveptr, *value1, *value2; |
1341 | char delimiters[] = " \t"; | |
1342 | int keyword_id, ret, argi; | |
1343 | char *unknown_msg = "Ignoring unknown line '%s'\n"; | |
1344 | ||
1345 | keyword = strtok_r(line, delimiters, &saveptr); | |
1346 | keyword_id = recognize_keyword(keyword); | |
1347 | ||
1348 | if (!keyword_id) { | |
1349 | fprintf(stderr, unknown_msg, line); | |
1350 | return 0; | |
1351 | } | |
4acd2d24 | 1352 | |
4991b4f7 | 1353 | el->type = keyword_id; |
94490a4a | 1354 | |
4991b4f7 MS |
1355 | value1 = strtok_r(NULL, delimiters, &saveptr); |
1356 | ||
1357 | if (!value1) { | |
1358 | fprintf(stderr, "Parameter missing in line '%s'\n", line); | |
1359 | return -1; | |
1360 | } | |
1361 | ||
1362 | switch (keyword_id) { | |
1363 | case IMAGE_CFG_VERSION: | |
1364 | el->version = atoi(value1); | |
1365 | break; | |
1366 | case IMAGE_CFG_BOOT_FROM: | |
1367 | ret = image_boot_mode_id(value1); | |
94490a4a | 1368 | |
f411b8f2 | 1369 | if (ret < 0) { |
4991b4f7 | 1370 | fprintf(stderr, "Invalid boot media '%s'\n", value1); |
4acd2d24 SR |
1371 | return -1; |
1372 | } | |
f411b8f2 | 1373 | el->bootfrom = ret; |
4991b4f7 MS |
1374 | break; |
1375 | case IMAGE_CFG_NAND_BLKSZ: | |
1376 | el->nandblksz = strtoul(value1, NULL, 16); | |
1377 | break; | |
1378 | case IMAGE_CFG_NAND_BADBLK_LOCATION: | |
1379 | el->nandbadblklocation = strtoul(value1, NULL, 16); | |
1380 | break; | |
1381 | case IMAGE_CFG_NAND_ECC_MODE: | |
1382 | ret = image_nand_ecc_mode_id(value1); | |
94490a4a | 1383 | |
f411b8f2 | 1384 | if (ret < 0) { |
4991b4f7 | 1385 | fprintf(stderr, "Invalid NAND ECC mode '%s'\n", value1); |
4acd2d24 SR |
1386 | return -1; |
1387 | } | |
f411b8f2 | 1388 | el->nandeccmode = ret; |
4991b4f7 MS |
1389 | break; |
1390 | case IMAGE_CFG_NAND_PAGESZ: | |
1391 | el->nandpagesz = strtoul(value1, NULL, 16); | |
1392 | break; | |
1393 | case IMAGE_CFG_BINARY: | |
1394 | argi = 0; | |
1395 | ||
1396 | el->binary.file = strdup(value1); | |
4acd2d24 | 1397 | while (1) { |
4991b4f7 MS |
1398 | char *value = strtok_r(NULL, delimiters, &saveptr); |
1399 | ||
4acd2d24 SR |
1400 | if (!value) |
1401 | break; | |
1402 | el->binary.args[argi] = strtoul(value, NULL, 16); | |
1403 | argi++; | |
1404 | if (argi >= BINARY_MAX_ARGS) { | |
1405 | fprintf(stderr, | |
4991b4f7 | 1406 | "Too many arguments for BINARY\n"); |
4acd2d24 | 1407 | return -1; |
aa0c7a86 | 1408 | } |
aa0c7a86 | 1409 | } |
4acd2d24 | 1410 | el->binary.nargs = argi; |
4991b4f7 MS |
1411 | break; |
1412 | case IMAGE_CFG_DATA: | |
1413 | value2 = strtok_r(NULL, delimiters, &saveptr); | |
4acd2d24 SR |
1414 | |
1415 | if (!value1 || !value2) { | |
1416 | fprintf(stderr, | |
1417 | "Invalid number of arguments for DATA\n"); | |
1418 | return -1; | |
1419 | } | |
1420 | ||
4acd2d24 SR |
1421 | el->regdata.raddr = strtoul(value1, NULL, 16); |
1422 | el->regdata.rdata = strtoul(value2, NULL, 16); | |
4991b4f7 | 1423 | break; |
f63c583f T |
1424 | case IMAGE_CFG_DATA_DELAY: |
1425 | if (!strcmp(value1, "SDRAM_SETUP")) | |
1426 | el->regdata_delay = REGISTER_SET_HDR_OPT_DELAY_SDRAM_SETUP; | |
1427 | else | |
1428 | el->regdata_delay = REGISTER_SET_HDR_OPT_DELAY_MS(strtoul(value1, NULL, 10)); | |
1429 | break; | |
4991b4f7 MS |
1430 | case IMAGE_CFG_BAUDRATE: |
1431 | el->baudrate = strtoul(value1, NULL, 10); | |
1432 | break; | |
1433 | case IMAGE_CFG_DEBUG: | |
1434 | el->debug = strtoul(value1, NULL, 10); | |
1435 | break; | |
a1b6b0a9 MS |
1436 | case IMAGE_CFG_KAK: |
1437 | el->key_name = strdup(value1); | |
1438 | break; | |
1439 | case IMAGE_CFG_CSK: | |
1440 | el->key_name = strdup(value1); | |
1441 | break; | |
1442 | case IMAGE_CFG_CSK_INDEX: | |
1443 | el->csk_idx = strtol(value1, NULL, 0); | |
1444 | break; | |
1445 | case IMAGE_CFG_JTAG_DELAY: | |
1446 | el->jtag_delay = strtoul(value1, NULL, 0); | |
1447 | break; | |
1448 | case IMAGE_CFG_BOX_ID: | |
1449 | el->boxid = strtoul(value1, NULL, 0); | |
1450 | break; | |
1451 | case IMAGE_CFG_FLASH_ID: | |
1452 | el->flashid = strtoul(value1, NULL, 0); | |
1453 | break; | |
1454 | case IMAGE_CFG_SEC_SPECIALIZED_IMG: | |
1455 | el->sec_specialized_img = true; | |
1456 | break; | |
1457 | case IMAGE_CFG_SEC_COMMON_IMG: | |
1458 | el->sec_specialized_img = false; | |
1459 | break; | |
1460 | case IMAGE_CFG_SEC_BOOT_DEV: | |
1461 | el->sec_boot_dev = strtoul(value1, NULL, 0); | |
1462 | break; | |
1463 | case IMAGE_CFG_SEC_FUSE_DUMP: | |
1464 | el->name = strdup(value1); | |
1465 | break; | |
4991b4f7 MS |
1466 | default: |
1467 | fprintf(stderr, unknown_msg, line); | |
aa0c7a86 | 1468 | } |
aa0c7a86 | 1469 | |
4acd2d24 SR |
1470 | return 0; |
1471 | } | |
aa0c7a86 PW |
1472 | |
1473 | /* | |
4acd2d24 SR |
1474 | * Parse the configuration file 'fcfg' into the array of configuration |
1475 | * elements 'image_cfg', and return the number of configuration | |
1476 | * elements in 'cfgn'. | |
aa0c7a86 | 1477 | */ |
4acd2d24 SR |
1478 | static int image_create_config_parse(FILE *fcfg) |
1479 | { | |
1480 | int ret; | |
1481 | int cfgi = 0; | |
1482 | ||
1483 | /* Parse the configuration file */ | |
1484 | while (!feof(fcfg)) { | |
1485 | char *line; | |
1486 | char buf[256]; | |
1487 | ||
1488 | /* Read the current line */ | |
1489 | memset(buf, 0, sizeof(buf)); | |
1490 | line = fgets(buf, sizeof(buf), fcfg); | |
1491 | if (!line) | |
1492 | break; | |
1493 | ||
1494 | /* Ignore useless lines */ | |
1495 | if (line[0] == '\n' || line[0] == '#') | |
1496 | continue; | |
1497 | ||
1498 | /* Strip final newline */ | |
1499 | if (line[strlen(line) - 1] == '\n') | |
1500 | line[strlen(line) - 1] = 0; | |
1501 | ||
1502 | /* Parse the current line */ | |
1503 | ret = image_create_config_parse_oneline(line, | |
1504 | &image_cfg[cfgi]); | |
1505 | if (ret) | |
1506 | return ret; | |
1507 | ||
1508 | cfgi++; | |
1509 | ||
1510 | if (cfgi >= IMAGE_CFG_ELEMENT_MAX) { | |
1511 | fprintf(stderr, | |
1512 | "Too many configuration elements in .cfg file\n"); | |
1513 | return -1; | |
1514 | } | |
1515 | } | |
1516 | ||
1517 | cfgn = cfgi; | |
1518 | return 0; | |
1519 | } | |
1520 | ||
1521 | static int image_get_version(void) | |
1522 | { | |
1523 | struct image_cfg_element *e; | |
1524 | ||
1525 | e = image_find_option(IMAGE_CFG_VERSION); | |
1526 | if (!e) | |
1527 | return -1; | |
1528 | ||
1529 | return e->version; | |
1530 | } | |
1531 | ||
c934aad0 T |
1532 | static int image_get_bootfrom(void) |
1533 | { | |
1534 | struct image_cfg_element *e; | |
1535 | ||
1536 | e = image_find_option(IMAGE_CFG_BOOT_FROM); | |
1537 | if (!e) | |
1538 | return -1; | |
1539 | ||
1540 | return e->bootfrom; | |
1541 | } | |
1542 | ||
4acd2d24 | 1543 | static void kwbimage_set_header(void *ptr, struct stat *sbuf, int ifd, |
f86ed6a8 | 1544 | struct image_tool_params *params) |
aa0c7a86 | 1545 | { |
4acd2d24 SR |
1546 | FILE *fcfg; |
1547 | void *image = NULL; | |
1548 | int version; | |
93e9371f | 1549 | size_t headersz = 0; |
aa0c7a86 | 1550 | uint32_t checksum; |
4acd2d24 | 1551 | int ret; |
aa0c7a86 | 1552 | |
4acd2d24 SR |
1553 | fcfg = fopen(params->imagename, "r"); |
1554 | if (!fcfg) { | |
1555 | fprintf(stderr, "Could not open input file %s\n", | |
1556 | params->imagename); | |
1557 | exit(EXIT_FAILURE); | |
1558 | } | |
1559 | ||
1560 | image_cfg = malloc(IMAGE_CFG_ELEMENT_MAX * | |
1561 | sizeof(struct image_cfg_element)); | |
1562 | if (!image_cfg) { | |
1563 | fprintf(stderr, "Cannot allocate memory\n"); | |
1564 | fclose(fcfg); | |
1565 | exit(EXIT_FAILURE); | |
1566 | } | |
1567 | ||
1568 | memset(image_cfg, 0, | |
1569 | IMAGE_CFG_ELEMENT_MAX * sizeof(struct image_cfg_element)); | |
1570 | rewind(fcfg); | |
1571 | ||
1572 | ret = image_create_config_parse(fcfg); | |
1573 | fclose(fcfg); | |
1574 | if (ret) { | |
1575 | free(image_cfg); | |
1576 | exit(EXIT_FAILURE); | |
1577 | } | |
1578 | ||
1579 | version = image_get_version(); | |
934a529f SR |
1580 | switch (version) { |
1581 | /* | |
1582 | * Fallback to version 0 if no version is provided in the | |
1583 | * cfg file | |
1584 | */ | |
1585 | case -1: | |
1586 | case 0: | |
4acd2d24 | 1587 | image = image_create_v0(&headersz, params, sbuf->st_size); |
934a529f SR |
1588 | break; |
1589 | ||
1590 | case 1: | |
a1b6b0a9 | 1591 | image = image_create_v1(&headersz, params, ptr, sbuf->st_size); |
934a529f SR |
1592 | break; |
1593 | ||
1594 | default: | |
1595 | fprintf(stderr, "Unsupported version %d\n", version); | |
1596 | free(image_cfg); | |
1597 | exit(EXIT_FAILURE); | |
1598 | } | |
4acd2d24 SR |
1599 | |
1600 | if (!image) { | |
1601 | fprintf(stderr, "Could not create image\n"); | |
1602 | free(image_cfg); | |
1603 | exit(EXIT_FAILURE); | |
1604 | } | |
1605 | ||
1606 | free(image_cfg); | |
aa0c7a86 | 1607 | |
4acd2d24 | 1608 | /* Build and add image checksum header */ |
37cb9c15 T |
1609 | checksum = cpu_to_le32(image_checksum32((uint8_t *)ptr + headersz, |
1610 | sbuf->st_size - headersz - sizeof(uint32_t))); | |
1611 | memcpy((uint8_t *)ptr + sbuf->st_size - sizeof(uint32_t), &checksum, | |
1612 | sizeof(uint32_t)); | |
aa0c7a86 | 1613 | |
4acd2d24 SR |
1614 | /* Finally copy the header into the image area */ |
1615 | memcpy(ptr, image, headersz); | |
aa0c7a86 | 1616 | |
4acd2d24 | 1617 | free(image); |
aa0c7a86 PW |
1618 | } |
1619 | ||
4acd2d24 | 1620 | static void kwbimage_print_header(const void *ptr) |
aa0c7a86 | 1621 | { |
4acd2d24 SR |
1622 | struct main_hdr_v0 *mhdr = (struct main_hdr_v0 *)ptr; |
1623 | ||
1624 | printf("Image Type: MVEBU Boot from %s Image\n", | |
1625 | image_boot_mode_name(mhdr->blockid)); | |
4acd2d24 | 1626 | printf("Image version:%d\n", image_version((void *)ptr)); |
34dcf952 T |
1627 | if (image_version((void *)ptr) == 1) { |
1628 | struct main_hdr_v1 *mhdr = (struct main_hdr_v1 *)ptr; | |
1629 | ||
1630 | if (mhdr->ext & 0x1) { | |
1631 | struct opt_hdr_v1 *ohdr = (struct opt_hdr_v1 *) | |
1632 | ((uint8_t *)ptr + | |
1633 | sizeof(*mhdr)); | |
1634 | ||
1635 | while (1) { | |
1636 | uint32_t ohdr_size; | |
1637 | ||
1638 | ohdr_size = (ohdr->headersz_msb << 16) | | |
1639 | le16_to_cpu(ohdr->headersz_lsb); | |
1640 | if (ohdr->headertype == OPT_HDR_V1_BINARY_TYPE) { | |
1641 | printf("BIN Hdr Size: "); | |
1642 | genimg_print_size(ohdr_size - 12 - 4 * ohdr->data[0]); | |
1643 | } | |
1644 | if (!(*((uint8_t *)ohdr + ohdr_size - 4) & 0x1)) | |
1645 | break; | |
1646 | ohdr = (struct opt_hdr_v1 *)((uint8_t *)ohdr + | |
1647 | ohdr_size); | |
1648 | } | |
1649 | } | |
1650 | } | |
26f195c7 | 1651 | printf("Data Size: "); |
4acd2d24 SR |
1652 | genimg_print_size(mhdr->blocksize - sizeof(uint32_t)); |
1653 | printf("Load Address: %08x\n", mhdr->destaddr); | |
1654 | printf("Entry Point: %08x\n", mhdr->execaddr); | |
aa0c7a86 PW |
1655 | } |
1656 | ||
4acd2d24 | 1657 | static int kwbimage_check_image_types(uint8_t type) |
aa0c7a86 PW |
1658 | { |
1659 | if (type == IH_TYPE_KWBIMAGE) | |
1660 | return EXIT_SUCCESS; | |
94490a4a MS |
1661 | |
1662 | return EXIT_FAILURE; | |
aa0c7a86 PW |
1663 | } |
1664 | ||
4acd2d24 SR |
1665 | static int kwbimage_verify_header(unsigned char *ptr, int image_size, |
1666 | struct image_tool_params *params) | |
1667 | { | |
4acd2d24 | 1668 | uint8_t checksum; |
6cd5678c AG |
1669 | size_t header_size = kwbimage_header_size(ptr); |
1670 | ||
1671 | if (header_size > image_size) | |
1672 | return -FDT_ERR_BADSTRUCTURE; | |
4acd2d24 | 1673 | |
db7cd4ed | 1674 | if (!main_hdr_checksum_ok(ptr)) |
4acd2d24 SR |
1675 | return -FDT_ERR_BADSTRUCTURE; |
1676 | ||
1677 | /* Only version 0 extended header has checksum */ | |
1678 | if (image_version((void *)ptr) == 0) { | |
fe2c0e25 | 1679 | struct main_hdr_v0 *mhdr = (struct main_hdr_v0 *)ptr; |
e89016c4 | 1680 | |
fe2c0e25 T |
1681 | if (mhdr->ext & 0x1) { |
1682 | struct ext_hdr_v0 *ext_hdr; | |
1683 | ||
33a0af2d T |
1684 | if (header_size + sizeof(*ext_hdr) > image_size) |
1685 | return -FDT_ERR_BADSTRUCTURE; | |
1686 | ||
fe2c0e25 | 1687 | ext_hdr = (struct ext_hdr_v0 *) |
885fba15 | 1688 | (ptr + sizeof(struct main_hdr_v0)); |
fe2c0e25 T |
1689 | checksum = image_checksum8(ext_hdr, |
1690 | sizeof(struct ext_hdr_v0) | |
1691 | - sizeof(uint8_t)); | |
1692 | if (checksum != ext_hdr->checksum) | |
1693 | return -FDT_ERR_BADSTRUCTURE; | |
1694 | } | |
b984056f | 1695 | } else if (image_version((void *)ptr) == 1) { |
9380445f | 1696 | struct main_hdr_v1 *mhdr = (struct main_hdr_v1 *)ptr; |
e0c243c3 T |
1697 | uint32_t offset; |
1698 | uint32_t size; | |
9380445f T |
1699 | |
1700 | if (mhdr->ext & 0x1) { | |
1701 | uint32_t ohdr_size; | |
1702 | struct opt_hdr_v1 *ohdr = (struct opt_hdr_v1 *) | |
1703 | (ptr + sizeof(*mhdr)); | |
1704 | ||
1705 | while (1) { | |
1706 | if ((uint8_t *)ohdr + sizeof(*ohdr) > | |
1707 | (uint8_t *)mhdr + header_size) | |
1708 | return -FDT_ERR_BADSTRUCTURE; | |
1709 | ||
1710 | ohdr_size = (ohdr->headersz_msb << 16) | | |
1711 | le16_to_cpu(ohdr->headersz_lsb); | |
1712 | ||
1713 | if (ohdr_size < 8 || | |
1714 | (uint8_t *)ohdr + ohdr_size > | |
1715 | (uint8_t *)mhdr + header_size) | |
1716 | return -FDT_ERR_BADSTRUCTURE; | |
1717 | ||
1718 | if (!(*((uint8_t *)ohdr + ohdr_size - 4) & 0x1)) | |
1719 | break; | |
1720 | ohdr = (struct opt_hdr_v1 *)((uint8_t *)ohdr + | |
1721 | ohdr_size); | |
1722 | } | |
1723 | } | |
e0c243c3 T |
1724 | |
1725 | offset = le32_to_cpu(mhdr->srcaddr); | |
1726 | ||
1727 | /* | |
1728 | * For SATA srcaddr is specified in number of sectors. | |
1729 | * The main header is must be stored at sector number 1. | |
1730 | * This expects that sector size is 512 bytes and recalculates | |
1731 | * data offset to bytes relative to the main header. | |
1732 | */ | |
1733 | if (mhdr->blockid == IBR_HDR_SATA_ID) { | |
1734 | if (offset < 1) | |
1735 | return -FDT_ERR_BADSTRUCTURE; | |
1736 | offset -= 1; | |
1737 | offset *= 512; | |
1738 | } | |
1739 | ||
1740 | /* | |
1741 | * For SDIO srcaddr is specified in number of sectors. | |
1742 | * This expects that sector size is 512 bytes and recalculates | |
1743 | * data offset to bytes. | |
1744 | */ | |
1745 | if (mhdr->blockid == IBR_HDR_SDIO_ID) | |
1746 | offset *= 512; | |
1747 | ||
1748 | /* | |
1749 | * For PCIe srcaddr is always set to 0xFFFFFFFF. | |
1750 | * This expects that data starts after all headers. | |
1751 | */ | |
1752 | if (mhdr->blockid == IBR_HDR_PEX_ID && offset == 0xFFFFFFFF) | |
1753 | offset = header_size; | |
1754 | ||
1755 | if (offset > image_size || offset % 4 != 0) | |
1756 | return -FDT_ERR_BADSTRUCTURE; | |
1757 | ||
1758 | size = le32_to_cpu(mhdr->blocksize); | |
a008dbaa | 1759 | if (size < 4 || offset + size > image_size || size % 4 != 0) |
e0c243c3 T |
1760 | return -FDT_ERR_BADSTRUCTURE; |
1761 | ||
1762 | if (image_checksum32(ptr + offset, size - 4) != | |
1763 | *(uint32_t *)(ptr + offset + size - 4)) | |
1764 | return -FDT_ERR_BADSTRUCTURE; | |
b984056f T |
1765 | } else { |
1766 | return -FDT_ERR_BADSTRUCTURE; | |
9380445f T |
1767 | } |
1768 | ||
4acd2d24 SR |
1769 | return 0; |
1770 | } | |
1771 | ||
1772 | static int kwbimage_generate(struct image_tool_params *params, | |
1773 | struct image_type_params *tparams) | |
1774 | { | |
6cbf7eda | 1775 | FILE *fcfg; |
37cb9c15 | 1776 | struct stat s; |
4acd2d24 | 1777 | int alloc_len; |
c934aad0 | 1778 | int bootfrom; |
6cbf7eda | 1779 | int version; |
4acd2d24 | 1780 | void *hdr; |
6cbf7eda | 1781 | int ret; |
4acd2d24 | 1782 | |
6cbf7eda PW |
1783 | fcfg = fopen(params->imagename, "r"); |
1784 | if (!fcfg) { | |
1785 | fprintf(stderr, "Could not open input file %s\n", | |
1786 | params->imagename); | |
1787 | exit(EXIT_FAILURE); | |
1788 | } | |
1789 | ||
37cb9c15 T |
1790 | if (stat(params->datafile, &s)) { |
1791 | fprintf(stderr, "Could not stat data file %s: %s\n", | |
1792 | params->datafile, strerror(errno)); | |
1793 | exit(EXIT_FAILURE); | |
1794 | } | |
1795 | ||
6cbf7eda PW |
1796 | image_cfg = malloc(IMAGE_CFG_ELEMENT_MAX * |
1797 | sizeof(struct image_cfg_element)); | |
1798 | if (!image_cfg) { | |
1799 | fprintf(stderr, "Cannot allocate memory\n"); | |
1800 | fclose(fcfg); | |
1801 | exit(EXIT_FAILURE); | |
1802 | } | |
1803 | ||
1804 | memset(image_cfg, 0, | |
1805 | IMAGE_CFG_ELEMENT_MAX * sizeof(struct image_cfg_element)); | |
1806 | rewind(fcfg); | |
1807 | ||
1808 | ret = image_create_config_parse(fcfg); | |
1809 | fclose(fcfg); | |
1810 | if (ret) { | |
1811 | free(image_cfg); | |
1812 | exit(EXIT_FAILURE); | |
1813 | } | |
1814 | ||
c934aad0 | 1815 | bootfrom = image_get_bootfrom(); |
6cbf7eda PW |
1816 | version = image_get_version(); |
1817 | switch (version) { | |
1818 | /* | |
1819 | * Fallback to version 0 if no version is provided in the | |
1820 | * cfg file | |
1821 | */ | |
1822 | case -1: | |
1823 | case 0: | |
4acd2d24 SR |
1824 | alloc_len = sizeof(struct main_hdr_v0) + |
1825 | sizeof(struct ext_hdr_v0); | |
6cbf7eda PW |
1826 | break; |
1827 | ||
1828 | case 1: | |
e93cf53f | 1829 | alloc_len = image_headersz_v1(NULL); |
6cbf7eda PW |
1830 | break; |
1831 | ||
1832 | default: | |
1833 | fprintf(stderr, "Unsupported version %d\n", version); | |
1834 | free(image_cfg); | |
1835 | exit(EXIT_FAILURE); | |
4acd2d24 SR |
1836 | } |
1837 | ||
6cbf7eda PW |
1838 | free(image_cfg); |
1839 | ||
4acd2d24 SR |
1840 | hdr = malloc(alloc_len); |
1841 | if (!hdr) { | |
1842 | fprintf(stderr, "%s: malloc return failure: %s\n", | |
1843 | params->cmdname, strerror(errno)); | |
1844 | exit(EXIT_FAILURE); | |
1845 | } | |
1846 | ||
1847 | memset(hdr, 0, alloc_len); | |
1848 | tparams->header_size = alloc_len; | |
1849 | tparams->hdr = hdr; | |
1850 | ||
77720859 SR |
1851 | /* |
1852 | * The resulting image needs to be 4-byte aligned. At least | |
1853 | * the Marvell hdrparser tool complains if its unaligned. | |
37cb9c15 | 1854 | * After the image data is stored 4-byte checksum. |
c934aad0 | 1855 | * Final SPI and NAND images must be aligned to 256 bytes. |
501a54a2 | 1856 | * Final SATA and SDIO images must be aligned to 512 bytes. |
77720859 | 1857 | */ |
c934aad0 T |
1858 | if (bootfrom == IBR_HDR_SPI_ID || bootfrom == IBR_HDR_NAND_ID) |
1859 | return 4 + (256 - (alloc_len + s.st_size + 4) % 256) % 256; | |
501a54a2 T |
1860 | else if (bootfrom == IBR_HDR_SATA_ID || bootfrom == IBR_HDR_SDIO_ID) |
1861 | return 4 + (512 - (alloc_len + s.st_size + 4) % 512) % 512; | |
c934aad0 T |
1862 | else |
1863 | return 4 + (4 - s.st_size % 4) % 4; | |
4acd2d24 SR |
1864 | } |
1865 | ||
aa6943ca T |
1866 | static int kwbimage_extract_subimage(void *ptr, struct image_tool_params *params) |
1867 | { | |
1868 | struct main_hdr_v1 *mhdr = (struct main_hdr_v1 *)ptr; | |
1869 | size_t header_size = kwbimage_header_size(ptr); | |
1870 | int idx = params->pflag; | |
1871 | int cur_idx = 0; | |
1872 | uint32_t offset; | |
1873 | ulong image; | |
1874 | ulong size; | |
1875 | ||
1876 | if (image_version((void *)ptr) == 1 && (mhdr->ext & 0x1)) { | |
1877 | struct opt_hdr_v1 *ohdr = (struct opt_hdr_v1 *) | |
1878 | ((uint8_t *)ptr + | |
1879 | sizeof(*mhdr)); | |
1880 | ||
1881 | while (1) { | |
1882 | uint32_t ohdr_size = (ohdr->headersz_msb << 16) | | |
1883 | le16_to_cpu(ohdr->headersz_lsb); | |
1884 | ||
1885 | if (ohdr->headertype == OPT_HDR_V1_BINARY_TYPE) { | |
1886 | if (idx == cur_idx) { | |
1887 | image = (ulong)&ohdr->data[4 + | |
1888 | 4 * ohdr->data[0]]; | |
1889 | size = ohdr_size - 12 - | |
1890 | 4 * ohdr->data[0]; | |
1891 | goto extract; | |
1892 | } | |
1893 | ++cur_idx; | |
1894 | } | |
1895 | if (!(*((uint8_t *)ohdr + ohdr_size - 4) & 0x1)) | |
1896 | break; | |
1897 | ohdr = (struct opt_hdr_v1 *)((uint8_t *)ohdr + | |
1898 | ohdr_size); | |
1899 | } | |
1900 | } | |
1901 | ||
1902 | if (idx != cur_idx) { | |
1903 | printf("Image %d is not present\n", idx); | |
1904 | return -1; | |
1905 | } | |
1906 | ||
1907 | offset = le32_to_cpu(mhdr->srcaddr); | |
1908 | ||
1909 | if (mhdr->blockid == IBR_HDR_SATA_ID) { | |
1910 | offset -= 1; | |
1911 | offset *= 512; | |
1912 | } | |
1913 | ||
1914 | if (mhdr->blockid == IBR_HDR_SDIO_ID) | |
1915 | offset *= 512; | |
1916 | ||
1917 | if (mhdr->blockid == IBR_HDR_PEX_ID && offset == 0xFFFFFFFF) | |
1918 | offset = header_size; | |
1919 | ||
1920 | image = (ulong)((uint8_t *)ptr + offset); | |
1921 | size = le32_to_cpu(mhdr->blocksize) - 4; | |
1922 | ||
1923 | extract: | |
1924 | return imagetool_save_subimage(params->outfile, image, size); | |
1925 | } | |
1926 | ||
4acd2d24 SR |
1927 | /* |
1928 | * Report Error if xflag is set in addition to default | |
1929 | */ | |
1930 | static int kwbimage_check_params(struct image_tool_params *params) | |
1931 | { | |
aa6943ca | 1932 | if (!params->iflag && (!params->imagename || !strlen(params->imagename))) { |
94490a4a MS |
1933 | char *msg = "Configuration file for kwbimage creation omitted"; |
1934 | ||
1935 | fprintf(stderr, "Error:%s - %s\n", params->cmdname, msg); | |
4acd2d24 SR |
1936 | return CFG_INVALID; |
1937 | } | |
1938 | ||
1939 | return (params->dflag && (params->fflag || params->lflag)) || | |
1940 | (params->fflag && (params->dflag || params->lflag)) || | |
1941 | (params->lflag && (params->dflag || params->fflag)) || | |
aa6943ca | 1942 | (params->xflag); |
4acd2d24 SR |
1943 | } |
1944 | ||
aa0c7a86 PW |
1945 | /* |
1946 | * kwbimage type parameters definition | |
1947 | */ | |
a93648d1 GMF |
1948 | U_BOOT_IMAGE_TYPE( |
1949 | kwbimage, | |
1950 | "Marvell MVEBU Boot Image support", | |
1951 | 0, | |
1952 | NULL, | |
1953 | kwbimage_check_params, | |
1954 | kwbimage_verify_header, | |
1955 | kwbimage_print_header, | |
1956 | kwbimage_set_header, | |
aa6943ca | 1957 | kwbimage_extract_subimage, |
a93648d1 GMF |
1958 | kwbimage_check_image_types, |
1959 | NULL, | |
1960 | kwbimage_generate | |
1961 | ); |