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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 |
8010f4ff T |
4 | * supports Kirkwood, Dove, Armada 370, Armada XP, Armada 375, Armada 38x and |
5 | * Armada 39x | |
4acd2d24 SR |
6 | * |
7 | * (C) Copyright 2013 Thomas Petazzoni | |
8 | * <thomas.petazzoni@free-electrons.com> | |
aa0c7a86 PW |
9 | */ |
10 | ||
3a8b9199 HS |
11 | #define OPENSSL_API_COMPAT 0x10101000L |
12 | ||
f86ed6a8 | 13 | #include "imagetool.h" |
e5f1a586 | 14 | #include <limits.h> |
aa0c7a86 | 15 | #include <image.h> |
a1b6b0a9 | 16 | #include <stdarg.h> |
4acd2d24 | 17 | #include <stdint.h> |
aa0c7a86 PW |
18 | #include "kwbimage.h" |
19 | ||
e15843b1 | 20 | #include <openssl/bn.h> |
a1b6b0a9 MS |
21 | #include <openssl/rsa.h> |
22 | #include <openssl/pem.h> | |
23 | #include <openssl/err.h> | |
24 | #include <openssl/evp.h> | |
e15843b1 | 25 | |
a2d5efd7 JG |
26 | #if OPENSSL_VERSION_NUMBER < 0x10100000L || \ |
27 | (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL) | |
e15843b1 JW |
28 | static void RSA_get0_key(const RSA *r, |
29 | const BIGNUM **n, const BIGNUM **e, const BIGNUM **d) | |
30 | { | |
31 | if (n != NULL) | |
32 | *n = r->n; | |
33 | if (e != NULL) | |
34 | *e = r->e; | |
35 | if (d != NULL) | |
36 | *d = r->d; | |
37 | } | |
38 | ||
a2d5efd7 | 39 | #elif !defined(LIBRESSL_VERSION_NUMBER) |
e15843b1 JW |
40 | void EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) |
41 | { | |
42 | EVP_MD_CTX_reset(ctx); | |
43 | } | |
44 | #endif | |
a1b6b0a9 | 45 | |
4acd2d24 SR |
46 | static struct image_cfg_element *image_cfg; |
47 | static int cfgn; | |
a1b6b0a9 | 48 | static int verbose_mode; |
4acd2d24 SR |
49 | |
50 | struct boot_mode { | |
51 | unsigned int id; | |
52 | const char *name; | |
53 | }; | |
54 | ||
a1b6b0a9 MS |
55 | /* |
56 | * SHA2-256 hash | |
57 | */ | |
58 | struct hash_v1 { | |
59 | uint8_t hash[32]; | |
60 | }; | |
61 | ||
4acd2d24 | 62 | struct boot_mode boot_modes[] = { |
e515a330 T |
63 | { IBR_HDR_I2C_ID, "i2c" }, |
64 | { IBR_HDR_SPI_ID, "spi" }, | |
65 | { IBR_HDR_NAND_ID, "nand" }, | |
66 | { IBR_HDR_SATA_ID, "sata" }, | |
67 | { IBR_HDR_PEX_ID, "pex" }, | |
68 | { IBR_HDR_UART_ID, "uart" }, | |
69 | { IBR_HDR_SDIO_ID, "sdio" }, | |
4acd2d24 | 70 | {}, |
aa0c7a86 PW |
71 | }; |
72 | ||
4acd2d24 SR |
73 | struct nand_ecc_mode { |
74 | unsigned int id; | |
75 | const char *name; | |
76 | }; | |
77 | ||
78 | struct nand_ecc_mode nand_ecc_modes[] = { | |
e515a330 T |
79 | { IBR_HDR_ECC_DEFAULT, "default" }, |
80 | { IBR_HDR_ECC_FORCED_HAMMING, "hamming" }, | |
81 | { IBR_HDR_ECC_FORCED_RS, "rs" }, | |
82 | { IBR_HDR_ECC_DISABLED, "disabled" }, | |
4acd2d24 SR |
83 | {}, |
84 | }; | |
85 | ||
86 | /* Used to identify an undefined execution or destination address */ | |
87 | #define ADDR_INVALID ((uint32_t)-1) | |
88 | ||
6c7f152e | 89 | #define BINARY_MAX_ARGS 255 |
4acd2d24 SR |
90 | |
91 | /* In-memory representation of a line of the configuration file */ | |
4991b4f7 MS |
92 | |
93 | enum image_cfg_type { | |
94 | IMAGE_CFG_VERSION = 0x1, | |
95 | IMAGE_CFG_BOOT_FROM, | |
96 | IMAGE_CFG_DEST_ADDR, | |
97 | IMAGE_CFG_EXEC_ADDR, | |
98 | IMAGE_CFG_NAND_BLKSZ, | |
99 | IMAGE_CFG_NAND_BADBLK_LOCATION, | |
100 | IMAGE_CFG_NAND_ECC_MODE, | |
101 | IMAGE_CFG_NAND_PAGESZ, | |
102 | IMAGE_CFG_BINARY, | |
4991b4f7 | 103 | IMAGE_CFG_DATA, |
f63c583f | 104 | IMAGE_CFG_DATA_DELAY, |
4991b4f7 | 105 | IMAGE_CFG_BAUDRATE, |
12f2c03f T |
106 | IMAGE_CFG_UART_PORT, |
107 | IMAGE_CFG_UART_MPP, | |
4991b4f7 | 108 | IMAGE_CFG_DEBUG, |
a1b6b0a9 MS |
109 | IMAGE_CFG_KAK, |
110 | IMAGE_CFG_CSK, | |
111 | IMAGE_CFG_CSK_INDEX, | |
112 | IMAGE_CFG_JTAG_DELAY, | |
113 | IMAGE_CFG_BOX_ID, | |
114 | IMAGE_CFG_FLASH_ID, | |
115 | IMAGE_CFG_SEC_COMMON_IMG, | |
116 | IMAGE_CFG_SEC_SPECIALIZED_IMG, | |
117 | IMAGE_CFG_SEC_BOOT_DEV, | |
118 | IMAGE_CFG_SEC_FUSE_DUMP, | |
4991b4f7 MS |
119 | |
120 | IMAGE_CFG_COUNT | |
121 | } type; | |
122 | ||
123 | static const char * const id_strs[] = { | |
124 | [IMAGE_CFG_VERSION] = "VERSION", | |
125 | [IMAGE_CFG_BOOT_FROM] = "BOOT_FROM", | |
126 | [IMAGE_CFG_DEST_ADDR] = "DEST_ADDR", | |
127 | [IMAGE_CFG_EXEC_ADDR] = "EXEC_ADDR", | |
128 | [IMAGE_CFG_NAND_BLKSZ] = "NAND_BLKSZ", | |
129 | [IMAGE_CFG_NAND_BADBLK_LOCATION] = "NAND_BADBLK_LOCATION", | |
130 | [IMAGE_CFG_NAND_ECC_MODE] = "NAND_ECC_MODE", | |
131 | [IMAGE_CFG_NAND_PAGESZ] = "NAND_PAGE_SIZE", | |
132 | [IMAGE_CFG_BINARY] = "BINARY", | |
4991b4f7 | 133 | [IMAGE_CFG_DATA] = "DATA", |
f63c583f | 134 | [IMAGE_CFG_DATA_DELAY] = "DATA_DELAY", |
4991b4f7 | 135 | [IMAGE_CFG_BAUDRATE] = "BAUDRATE", |
12f2c03f T |
136 | [IMAGE_CFG_UART_PORT] = "UART_PORT", |
137 | [IMAGE_CFG_UART_MPP] = "UART_MPP", | |
4991b4f7 | 138 | [IMAGE_CFG_DEBUG] = "DEBUG", |
a1b6b0a9 MS |
139 | [IMAGE_CFG_KAK] = "KAK", |
140 | [IMAGE_CFG_CSK] = "CSK", | |
141 | [IMAGE_CFG_CSK_INDEX] = "CSK_INDEX", | |
142 | [IMAGE_CFG_JTAG_DELAY] = "JTAG_DELAY", | |
143 | [IMAGE_CFG_BOX_ID] = "BOX_ID", | |
144 | [IMAGE_CFG_FLASH_ID] = "FLASH_ID", | |
145 | [IMAGE_CFG_SEC_COMMON_IMG] = "SEC_COMMON_IMG", | |
146 | [IMAGE_CFG_SEC_SPECIALIZED_IMG] = "SEC_SPECIALIZED_IMG", | |
147 | [IMAGE_CFG_SEC_BOOT_DEV] = "SEC_BOOT_DEV", | |
148 | [IMAGE_CFG_SEC_FUSE_DUMP] = "SEC_FUSE_DUMP" | |
4991b4f7 MS |
149 | }; |
150 | ||
4acd2d24 | 151 | struct image_cfg_element { |
4991b4f7 | 152 | enum image_cfg_type type; |
4acd2d24 SR |
153 | union { |
154 | unsigned int version; | |
155 | unsigned int bootfrom; | |
156 | struct { | |
157 | const char *file; | |
158 | unsigned int args[BINARY_MAX_ARGS]; | |
159 | unsigned int nargs; | |
160 | } binary; | |
4acd2d24 SR |
161 | unsigned int dstaddr; |
162 | unsigned int execaddr; | |
163 | unsigned int nandblksz; | |
164 | unsigned int nandbadblklocation; | |
165 | unsigned int nandeccmode; | |
166 | unsigned int nandpagesz; | |
167 | struct ext_hdr_v0_reg regdata; | |
f63c583f | 168 | unsigned int regdata_delay; |
4bdb5479 | 169 | unsigned int baudrate; |
12f2c03f T |
170 | unsigned int uart_port; |
171 | unsigned int uart_mpp; | |
2611c05e | 172 | unsigned int debug; |
a1b6b0a9 MS |
173 | const char *key_name; |
174 | int csk_idx; | |
175 | uint8_t jtag_delay; | |
176 | uint32_t boxid; | |
177 | uint32_t flashid; | |
178 | bool sec_specialized_img; | |
179 | unsigned int sec_boot_dev; | |
180 | const char *name; | |
4acd2d24 SR |
181 | }; |
182 | }; | |
183 | ||
184 | #define IMAGE_CFG_ELEMENT_MAX 256 | |
aa0c7a86 | 185 | |
4acd2d24 SR |
186 | /* |
187 | * Utility functions to manipulate boot mode and ecc modes (convert | |
188 | * them back and forth between description strings and the | |
189 | * corresponding numerical identifiers). | |
190 | */ | |
191 | ||
192 | static const char *image_boot_mode_name(unsigned int id) | |
193 | { | |
194 | int i; | |
94490a4a | 195 | |
4acd2d24 SR |
196 | for (i = 0; boot_modes[i].name; i++) |
197 | if (boot_modes[i].id == id) | |
198 | return boot_modes[i].name; | |
199 | return NULL; | |
200 | } | |
201 | ||
202 | int image_boot_mode_id(const char *boot_mode_name) | |
203 | { | |
204 | int i; | |
94490a4a | 205 | |
4acd2d24 SR |
206 | for (i = 0; boot_modes[i].name; i++) |
207 | if (!strcmp(boot_modes[i].name, boot_mode_name)) | |
208 | return boot_modes[i].id; | |
209 | ||
210 | return -1; | |
211 | } | |
212 | ||
213 | int image_nand_ecc_mode_id(const char *nand_ecc_mode_name) | |
214 | { | |
215 | int i; | |
94490a4a | 216 | |
4acd2d24 SR |
217 | for (i = 0; nand_ecc_modes[i].name; i++) |
218 | if (!strcmp(nand_ecc_modes[i].name, nand_ecc_mode_name)) | |
219 | return nand_ecc_modes[i].id; | |
220 | return -1; | |
aa0c7a86 PW |
221 | } |
222 | ||
4acd2d24 SR |
223 | static struct image_cfg_element * |
224 | image_find_option(unsigned int optiontype) | |
aa0c7a86 | 225 | { |
4acd2d24 | 226 | int i; |
aa0c7a86 | 227 | |
4acd2d24 SR |
228 | for (i = 0; i < cfgn; i++) { |
229 | if (image_cfg[i].type == optiontype) | |
230 | return &image_cfg[i]; | |
aa0c7a86 | 231 | } |
4acd2d24 SR |
232 | |
233 | return NULL; | |
234 | } | |
235 | ||
236 | static unsigned int | |
237 | image_count_options(unsigned int optiontype) | |
238 | { | |
239 | int i; | |
240 | unsigned int count = 0; | |
241 | ||
242 | for (i = 0; i < cfgn; i++) | |
243 | if (image_cfg[i].type == optiontype) | |
244 | count++; | |
245 | ||
246 | return count; | |
aa0c7a86 PW |
247 | } |
248 | ||
a1b6b0a9 MS |
249 | static int image_get_csk_index(void) |
250 | { | |
251 | struct image_cfg_element *e; | |
252 | ||
253 | e = image_find_option(IMAGE_CFG_CSK_INDEX); | |
254 | if (!e) | |
255 | return -1; | |
256 | ||
257 | return e->csk_idx; | |
258 | } | |
259 | ||
260 | static bool image_get_spezialized_img(void) | |
261 | { | |
262 | struct image_cfg_element *e; | |
263 | ||
264 | e = image_find_option(IMAGE_CFG_SEC_SPECIALIZED_IMG); | |
265 | if (!e) | |
266 | return false; | |
267 | ||
268 | return e->sec_specialized_img; | |
269 | } | |
270 | ||
d1547b36 T |
271 | static int image_get_bootfrom(void) |
272 | { | |
273 | struct image_cfg_element *e; | |
274 | ||
275 | e = image_find_option(IMAGE_CFG_BOOT_FROM); | |
276 | if (!e) | |
277 | /* fallback to SPI if no BOOT_FROM is not provided */ | |
278 | return IBR_HDR_SPI_ID; | |
279 | ||
280 | return e->bootfrom; | |
281 | } | |
282 | ||
aa0c7a86 | 283 | /* |
4acd2d24 SR |
284 | * Compute a 8-bit checksum of a memory area. This algorithm follows |
285 | * the requirements of the Marvell SoC BootROM specifications. | |
aa0c7a86 | 286 | */ |
4acd2d24 | 287 | static uint8_t image_checksum8(void *start, uint32_t len) |
aa0c7a86 | 288 | { |
4acd2d24 SR |
289 | uint8_t csum = 0; |
290 | uint8_t *p = start; | |
aa0c7a86 PW |
291 | |
292 | /* check len and return zero checksum if invalid */ | |
293 | if (!len) | |
294 | return 0; | |
295 | ||
296 | do { | |
4acd2d24 | 297 | csum += *p; |
aa0c7a86 PW |
298 | p++; |
299 | } while (--len); | |
4acd2d24 SR |
300 | |
301 | return csum; | |
aa0c7a86 PW |
302 | } |
303 | ||
db7cd4ed BS |
304 | /* |
305 | * Verify checksum over a complete header that includes the checksum field. | |
306 | * Return 1 when OK, otherwise 0. | |
307 | */ | |
308 | static int main_hdr_checksum_ok(void *hdr) | |
309 | { | |
310 | /* Offsets of checksum in v0 and v1 headers are the same */ | |
311 | struct main_hdr_v0 *main_hdr = (struct main_hdr_v0 *)hdr; | |
312 | uint8_t checksum; | |
313 | ||
fe2fd73d | 314 | checksum = image_checksum8(hdr, kwbheader_size_for_csum(hdr)); |
db7cd4ed BS |
315 | /* Calculated checksum includes the header checksum field. Compensate |
316 | * for that. | |
317 | */ | |
318 | checksum -= main_hdr->checksum; | |
319 | ||
320 | return checksum == main_hdr->checksum; | |
321 | } | |
322 | ||
4acd2d24 | 323 | static uint32_t image_checksum32(void *start, uint32_t len) |
aa0c7a86 | 324 | { |
4acd2d24 SR |
325 | uint32_t csum = 0; |
326 | uint32_t *p = start; | |
aa0c7a86 PW |
327 | |
328 | /* check len and return zero checksum if invalid */ | |
329 | if (!len) | |
330 | return 0; | |
331 | ||
332 | if (len % sizeof(uint32_t)) { | |
4acd2d24 SR |
333 | fprintf(stderr, "Length %d is not in multiple of %zu\n", |
334 | len, sizeof(uint32_t)); | |
aa0c7a86 PW |
335 | return 0; |
336 | } | |
337 | ||
338 | do { | |
4acd2d24 | 339 | csum += *p; |
aa0c7a86 PW |
340 | p++; |
341 | len -= sizeof(uint32_t); | |
342 | } while (len > 0); | |
4acd2d24 SR |
343 | |
344 | return csum; | |
aa0c7a86 PW |
345 | } |
346 | ||
4bdb5479 CP |
347 | static uint8_t baudrate_to_option(unsigned int baudrate) |
348 | { | |
349 | switch (baudrate) { | |
350 | case 2400: | |
351 | return MAIN_HDR_V1_OPT_BAUD_2400; | |
352 | case 4800: | |
353 | return MAIN_HDR_V1_OPT_BAUD_4800; | |
354 | case 9600: | |
355 | return MAIN_HDR_V1_OPT_BAUD_9600; | |
356 | case 19200: | |
357 | return MAIN_HDR_V1_OPT_BAUD_19200; | |
358 | case 38400: | |
359 | return MAIN_HDR_V1_OPT_BAUD_38400; | |
360 | case 57600: | |
361 | return MAIN_HDR_V1_OPT_BAUD_57600; | |
362 | case 115200: | |
363 | return MAIN_HDR_V1_OPT_BAUD_115200; | |
364 | default: | |
365 | return MAIN_HDR_V1_OPT_BAUD_DEFAULT; | |
366 | } | |
367 | } | |
368 | ||
a1b6b0a9 MS |
369 | static void kwb_msg(const char *fmt, ...) |
370 | { | |
371 | if (verbose_mode) { | |
372 | va_list ap; | |
373 | ||
374 | va_start(ap, fmt); | |
375 | vfprintf(stdout, fmt, ap); | |
376 | va_end(ap); | |
377 | } | |
378 | } | |
379 | ||
380 | static int openssl_err(const char *msg) | |
381 | { | |
382 | unsigned long ssl_err = ERR_get_error(); | |
383 | ||
384 | fprintf(stderr, "%s", msg); | |
385 | fprintf(stderr, ": %s\n", | |
386 | ERR_error_string(ssl_err, 0)); | |
387 | ||
388 | return -1; | |
389 | } | |
390 | ||
391 | static int kwb_load_rsa_key(const char *keydir, const char *name, RSA **p_rsa) | |
392 | { | |
393 | char path[PATH_MAX]; | |
394 | RSA *rsa; | |
395 | FILE *f; | |
396 | ||
397 | if (!keydir) | |
398 | keydir = "."; | |
399 | ||
400 | snprintf(path, sizeof(path), "%s/%s.key", keydir, name); | |
401 | f = fopen(path, "r"); | |
402 | if (!f) { | |
403 | fprintf(stderr, "Couldn't open RSA private key: '%s': %s\n", | |
404 | path, strerror(errno)); | |
405 | return -ENOENT; | |
406 | } | |
407 | ||
408 | rsa = PEM_read_RSAPrivateKey(f, 0, NULL, ""); | |
409 | if (!rsa) { | |
410 | openssl_err("Failure reading private key"); | |
411 | fclose(f); | |
412 | return -EPROTO; | |
413 | } | |
414 | fclose(f); | |
415 | *p_rsa = rsa; | |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
420 | static int kwb_load_cfg_key(struct image_tool_params *params, | |
421 | unsigned int cfg_option, const char *key_name, | |
422 | RSA **p_key) | |
423 | { | |
424 | struct image_cfg_element *e_key; | |
425 | RSA *key; | |
426 | int res; | |
427 | ||
428 | *p_key = NULL; | |
429 | ||
430 | e_key = image_find_option(cfg_option); | |
431 | if (!e_key) { | |
432 | fprintf(stderr, "%s not configured\n", key_name); | |
433 | return -ENOENT; | |
434 | } | |
435 | ||
436 | res = kwb_load_rsa_key(params->keydir, e_key->key_name, &key); | |
437 | if (res < 0) { | |
438 | fprintf(stderr, "Failed to load %s\n", key_name); | |
439 | return -ENOENT; | |
440 | } | |
441 | ||
442 | *p_key = key; | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | static int kwb_load_kak(struct image_tool_params *params, RSA **p_kak) | |
448 | { | |
449 | return kwb_load_cfg_key(params, IMAGE_CFG_KAK, "KAK", p_kak); | |
450 | } | |
451 | ||
452 | static int kwb_load_csk(struct image_tool_params *params, RSA **p_csk) | |
453 | { | |
454 | return kwb_load_cfg_key(params, IMAGE_CFG_CSK, "CSK", p_csk); | |
455 | } | |
456 | ||
457 | static int kwb_compute_pubkey_hash(struct pubkey_der_v1 *pk, | |
458 | struct hash_v1 *hash) | |
459 | { | |
460 | EVP_MD_CTX *ctx; | |
461 | unsigned int key_size; | |
462 | unsigned int hash_size; | |
463 | int ret = 0; | |
464 | ||
465 | if (!pk || !hash || pk->key[0] != 0x30 || pk->key[1] != 0x82) | |
466 | return -EINVAL; | |
467 | ||
468 | key_size = (pk->key[2] << 8) + pk->key[3] + 4; | |
469 | ||
470 | ctx = EVP_MD_CTX_create(); | |
471 | if (!ctx) | |
472 | return openssl_err("EVP context creation failed"); | |
473 | ||
474 | EVP_MD_CTX_init(ctx); | |
475 | if (!EVP_DigestInit(ctx, EVP_sha256())) { | |
476 | ret = openssl_err("Digest setup failed"); | |
477 | goto hash_err_ctx; | |
478 | } | |
479 | ||
480 | if (!EVP_DigestUpdate(ctx, pk->key, key_size)) { | |
481 | ret = openssl_err("Hashing data failed"); | |
482 | goto hash_err_ctx; | |
483 | } | |
484 | ||
485 | if (!EVP_DigestFinal(ctx, hash->hash, &hash_size)) { | |
486 | ret = openssl_err("Could not obtain hash"); | |
487 | goto hash_err_ctx; | |
488 | } | |
489 | ||
490 | EVP_MD_CTX_cleanup(ctx); | |
491 | ||
492 | hash_err_ctx: | |
493 | EVP_MD_CTX_destroy(ctx); | |
494 | return ret; | |
495 | } | |
496 | ||
497 | static int kwb_import_pubkey(RSA **key, struct pubkey_der_v1 *src, char *keyname) | |
498 | { | |
499 | RSA *rsa; | |
500 | const unsigned char *ptr; | |
501 | ||
502 | if (!key || !src) | |
503 | goto fail; | |
504 | ||
505 | ptr = src->key; | |
506 | rsa = d2i_RSAPublicKey(key, &ptr, sizeof(src->key)); | |
507 | if (!rsa) { | |
508 | openssl_err("error decoding public key"); | |
509 | goto fail; | |
510 | } | |
511 | ||
512 | return 0; | |
513 | fail: | |
514 | fprintf(stderr, "Failed to decode %s pubkey\n", keyname); | |
515 | return -EINVAL; | |
516 | } | |
517 | ||
518 | static int kwb_export_pubkey(RSA *key, struct pubkey_der_v1 *dst, FILE *hashf, | |
519 | char *keyname) | |
520 | { | |
521 | int size_exp, size_mod, size_seq; | |
e15843b1 | 522 | const BIGNUM *key_e, *key_n; |
a1b6b0a9 MS |
523 | uint8_t *cur; |
524 | char *errmsg = "Failed to encode %s\n"; | |
525 | ||
e15843b1 JW |
526 | RSA_get0_key(key, NULL, &key_e, NULL); |
527 | RSA_get0_key(key, &key_n, NULL, NULL); | |
528 | ||
529 | if (!key || !key_e || !key_n || !dst) { | |
a1b6b0a9 | 530 | fprintf(stderr, "export pk failed: (%p, %p, %p, %p)", |
e15843b1 | 531 | key, key_e, key_n, dst); |
a1b6b0a9 MS |
532 | fprintf(stderr, errmsg, keyname); |
533 | return -EINVAL; | |
534 | } | |
535 | ||
536 | /* | |
537 | * According to the specs, the key should be PKCS#1 DER encoded. | |
538 | * But unfortunately the really required encoding seems to be different; | |
539 | * it violates DER...! (But it still conformes to BER.) | |
540 | * (Length always in long form w/ 2 byte length code; no leading zero | |
541 | * when MSB of first byte is set...) | |
542 | * So we cannot use the encoding func provided by OpenSSL and have to | |
543 | * do the encoding manually. | |
544 | */ | |
545 | ||
e15843b1 JW |
546 | size_exp = BN_num_bytes(key_e); |
547 | size_mod = BN_num_bytes(key_n); | |
a1b6b0a9 MS |
548 | size_seq = 4 + size_mod + 4 + size_exp; |
549 | ||
550 | if (size_mod > 256) { | |
551 | fprintf(stderr, "export pk failed: wrong mod size: %d\n", | |
552 | size_mod); | |
553 | fprintf(stderr, errmsg, keyname); | |
554 | return -EINVAL; | |
555 | } | |
556 | ||
557 | if (4 + size_seq > sizeof(dst->key)) { | |
3b5da64e | 558 | fprintf(stderr, "export pk failed: seq too large (%d, %zu)\n", |
a1b6b0a9 MS |
559 | 4 + size_seq, sizeof(dst->key)); |
560 | fprintf(stderr, errmsg, keyname); | |
561 | return -ENOBUFS; | |
562 | } | |
563 | ||
564 | cur = dst->key; | |
565 | ||
566 | /* PKCS#1 (RFC3447) RSAPublicKey structure */ | |
567 | *cur++ = 0x30; /* SEQUENCE */ | |
568 | *cur++ = 0x82; | |
569 | *cur++ = (size_seq >> 8) & 0xFF; | |
570 | *cur++ = size_seq & 0xFF; | |
571 | /* Modulus */ | |
572 | *cur++ = 0x02; /* INTEGER */ | |
573 | *cur++ = 0x82; | |
574 | *cur++ = (size_mod >> 8) & 0xFF; | |
575 | *cur++ = size_mod & 0xFF; | |
e15843b1 | 576 | BN_bn2bin(key_n, cur); |
a1b6b0a9 MS |
577 | cur += size_mod; |
578 | /* Exponent */ | |
579 | *cur++ = 0x02; /* INTEGER */ | |
580 | *cur++ = 0x82; | |
581 | *cur++ = (size_exp >> 8) & 0xFF; | |
582 | *cur++ = size_exp & 0xFF; | |
e15843b1 | 583 | BN_bn2bin(key_e, cur); |
a1b6b0a9 MS |
584 | |
585 | if (hashf) { | |
586 | struct hash_v1 pk_hash; | |
587 | int i; | |
588 | int ret = 0; | |
589 | ||
590 | ret = kwb_compute_pubkey_hash(dst, &pk_hash); | |
591 | if (ret < 0) { | |
592 | fprintf(stderr, errmsg, keyname); | |
593 | return ret; | |
594 | } | |
595 | ||
596 | fprintf(hashf, "SHA256 = "); | |
597 | for (i = 0 ; i < sizeof(pk_hash.hash); ++i) | |
598 | fprintf(hashf, "%02X", pk_hash.hash[i]); | |
599 | fprintf(hashf, "\n"); | |
600 | } | |
601 | ||
602 | return 0; | |
603 | } | |
604 | ||
605 | int kwb_sign(RSA *key, void *data, int datasz, struct sig_v1 *sig, char *signame) | |
606 | { | |
607 | EVP_PKEY *evp_key; | |
608 | EVP_MD_CTX *ctx; | |
609 | unsigned int sig_size; | |
610 | int size; | |
611 | int ret = 0; | |
612 | ||
613 | evp_key = EVP_PKEY_new(); | |
614 | if (!evp_key) | |
615 | return openssl_err("EVP_PKEY object creation failed"); | |
616 | ||
617 | if (!EVP_PKEY_set1_RSA(evp_key, key)) { | |
618 | ret = openssl_err("EVP key setup failed"); | |
619 | goto err_key; | |
620 | } | |
621 | ||
622 | size = EVP_PKEY_size(evp_key); | |
623 | if (size > sizeof(sig->sig)) { | |
624 | fprintf(stderr, "Buffer to small for signature (%d bytes)\n", | |
625 | size); | |
626 | ret = -ENOBUFS; | |
627 | goto err_key; | |
628 | } | |
629 | ||
630 | ctx = EVP_MD_CTX_create(); | |
631 | if (!ctx) { | |
632 | ret = openssl_err("EVP context creation failed"); | |
633 | goto err_key; | |
634 | } | |
635 | EVP_MD_CTX_init(ctx); | |
636 | if (!EVP_SignInit(ctx, EVP_sha256())) { | |
637 | ret = openssl_err("Signer setup failed"); | |
638 | goto err_ctx; | |
639 | } | |
640 | ||
641 | if (!EVP_SignUpdate(ctx, data, datasz)) { | |
642 | ret = openssl_err("Signing data failed"); | |
643 | goto err_ctx; | |
644 | } | |
645 | ||
646 | if (!EVP_SignFinal(ctx, sig->sig, &sig_size, evp_key)) { | |
647 | ret = openssl_err("Could not obtain signature"); | |
648 | goto err_ctx; | |
649 | } | |
650 | ||
651 | EVP_MD_CTX_cleanup(ctx); | |
652 | EVP_MD_CTX_destroy(ctx); | |
653 | EVP_PKEY_free(evp_key); | |
654 | ||
655 | return 0; | |
656 | ||
657 | err_ctx: | |
658 | EVP_MD_CTX_destroy(ctx); | |
659 | err_key: | |
660 | EVP_PKEY_free(evp_key); | |
661 | fprintf(stderr, "Failed to create %s signature\n", signame); | |
662 | return ret; | |
663 | } | |
664 | ||
665 | int kwb_verify(RSA *key, void *data, int datasz, struct sig_v1 *sig, | |
666 | char *signame) | |
667 | { | |
668 | EVP_PKEY *evp_key; | |
669 | EVP_MD_CTX *ctx; | |
670 | int size; | |
671 | int ret = 0; | |
672 | ||
673 | evp_key = EVP_PKEY_new(); | |
674 | if (!evp_key) | |
675 | return openssl_err("EVP_PKEY object creation failed"); | |
676 | ||
677 | if (!EVP_PKEY_set1_RSA(evp_key, key)) { | |
678 | ret = openssl_err("EVP key setup failed"); | |
679 | goto err_key; | |
680 | } | |
681 | ||
682 | size = EVP_PKEY_size(evp_key); | |
683 | if (size > sizeof(sig->sig)) { | |
684 | fprintf(stderr, "Invalid signature size (%d bytes)\n", | |
685 | size); | |
686 | ret = -EINVAL; | |
687 | goto err_key; | |
688 | } | |
689 | ||
690 | ctx = EVP_MD_CTX_create(); | |
691 | if (!ctx) { | |
692 | ret = openssl_err("EVP context creation failed"); | |
693 | goto err_key; | |
694 | } | |
695 | EVP_MD_CTX_init(ctx); | |
696 | if (!EVP_VerifyInit(ctx, EVP_sha256())) { | |
697 | ret = openssl_err("Verifier setup failed"); | |
698 | goto err_ctx; | |
699 | } | |
700 | ||
701 | if (!EVP_VerifyUpdate(ctx, data, datasz)) { | |
702 | ret = openssl_err("Hashing data failed"); | |
703 | goto err_ctx; | |
704 | } | |
705 | ||
22515123 | 706 | if (EVP_VerifyFinal(ctx, sig->sig, sizeof(sig->sig), evp_key) != 1) { |
a1b6b0a9 MS |
707 | ret = openssl_err("Could not verify signature"); |
708 | goto err_ctx; | |
709 | } | |
710 | ||
711 | EVP_MD_CTX_cleanup(ctx); | |
712 | EVP_MD_CTX_destroy(ctx); | |
713 | EVP_PKEY_free(evp_key); | |
714 | ||
715 | return 0; | |
716 | ||
717 | err_ctx: | |
718 | EVP_MD_CTX_destroy(ctx); | |
719 | err_key: | |
720 | EVP_PKEY_free(evp_key); | |
721 | fprintf(stderr, "Failed to verify %s signature\n", signame); | |
722 | return ret; | |
723 | } | |
724 | ||
725 | int kwb_sign_and_verify(RSA *key, void *data, int datasz, struct sig_v1 *sig, | |
726 | char *signame) | |
727 | { | |
728 | if (kwb_sign(key, data, datasz, sig, signame) < 0) | |
729 | return -1; | |
730 | ||
731 | if (kwb_verify(key, data, datasz, sig, signame) < 0) | |
732 | return -1; | |
733 | ||
734 | return 0; | |
735 | } | |
736 | ||
737 | ||
738 | int kwb_dump_fuse_cmds_38x(FILE *out, struct secure_hdr_v1 *sec_hdr) | |
739 | { | |
740 | struct hash_v1 kak_pub_hash; | |
741 | struct image_cfg_element *e; | |
742 | unsigned int fuse_line; | |
743 | int i, idx; | |
744 | uint8_t *ptr; | |
745 | uint32_t val; | |
746 | int ret = 0; | |
747 | ||
748 | if (!out || !sec_hdr) | |
749 | return -EINVAL; | |
750 | ||
751 | ret = kwb_compute_pubkey_hash(&sec_hdr->kak, &kak_pub_hash); | |
752 | if (ret < 0) | |
753 | goto done; | |
754 | ||
755 | fprintf(out, "# burn KAK pub key hash\n"); | |
756 | ptr = kak_pub_hash.hash; | |
757 | for (fuse_line = 26; fuse_line <= 30; ++fuse_line) { | |
758 | fprintf(out, "fuse prog -y %u 0 ", fuse_line); | |
759 | ||
760 | for (i = 4; i-- > 0;) | |
761 | fprintf(out, "%02hx", (ushort)ptr[i]); | |
762 | ptr += 4; | |
763 | fprintf(out, " 00"); | |
764 | ||
765 | if (fuse_line < 30) { | |
766 | for (i = 3; i-- > 0;) | |
767 | fprintf(out, "%02hx", (ushort)ptr[i]); | |
768 | ptr += 3; | |
769 | } else { | |
770 | fprintf(out, "000000"); | |
771 | } | |
772 | ||
773 | fprintf(out, " 1\n"); | |
774 | } | |
775 | ||
776 | fprintf(out, "# burn CSK selection\n"); | |
777 | ||
778 | idx = image_get_csk_index(); | |
779 | if (idx < 0 || idx > 15) { | |
780 | ret = -EINVAL; | |
781 | goto done; | |
782 | } | |
783 | if (idx > 0) { | |
784 | for (fuse_line = 31; fuse_line < 31 + idx; ++fuse_line) | |
785 | fprintf(out, "fuse prog -y %u 0 00000001 00000000 1\n", | |
786 | fuse_line); | |
787 | } else { | |
788 | fprintf(out, "# CSK index is 0; no mods needed\n"); | |
789 | } | |
790 | ||
791 | e = image_find_option(IMAGE_CFG_BOX_ID); | |
792 | if (e) { | |
793 | fprintf(out, "# set box ID\n"); | |
794 | fprintf(out, "fuse prog -y 48 0 %08x 00000000 1\n", e->boxid); | |
795 | } | |
796 | ||
797 | e = image_find_option(IMAGE_CFG_FLASH_ID); | |
798 | if (e) { | |
799 | fprintf(out, "# set flash ID\n"); | |
800 | fprintf(out, "fuse prog -y 47 0 %08x 00000000 1\n", e->flashid); | |
801 | } | |
802 | ||
803 | fprintf(out, "# enable secure mode "); | |
804 | fprintf(out, "(must be the last fuse line written)\n"); | |
805 | ||
806 | val = 1; | |
807 | e = image_find_option(IMAGE_CFG_SEC_BOOT_DEV); | |
808 | if (!e) { | |
809 | fprintf(stderr, "ERROR: secured mode boot device not given\n"); | |
810 | ret = -EINVAL; | |
811 | goto done; | |
812 | } | |
813 | ||
814 | if (e->sec_boot_dev > 0xff) { | |
815 | fprintf(stderr, "ERROR: secured mode boot device invalid\n"); | |
816 | ret = -EINVAL; | |
817 | goto done; | |
818 | } | |
819 | ||
820 | val |= (e->sec_boot_dev << 8); | |
821 | ||
822 | fprintf(out, "fuse prog -y 24 0 %08x 0103e0a9 1\n", val); | |
823 | ||
824 | fprintf(out, "# lock (unused) fuse lines (0-23)s\n"); | |
825 | for (fuse_line = 0; fuse_line < 24; ++fuse_line) | |
826 | fprintf(out, "fuse prog -y %u 2 1\n", fuse_line); | |
827 | ||
828 | fprintf(out, "# OK, that's all :-)\n"); | |
829 | ||
830 | done: | |
831 | return ret; | |
832 | } | |
833 | ||
834 | static int kwb_dump_fuse_cmds(struct secure_hdr_v1 *sec_hdr) | |
835 | { | |
836 | int ret = 0; | |
837 | struct image_cfg_element *e; | |
838 | ||
839 | e = image_find_option(IMAGE_CFG_SEC_FUSE_DUMP); | |
840 | if (!e) | |
841 | return 0; | |
842 | ||
843 | if (!strcmp(e->name, "a38x")) { | |
844 | FILE *out = fopen("kwb_fuses_a38x.txt", "w+"); | |
845 | ||
f858bb2e HS |
846 | if (!out) { |
847 | fprintf(stderr, "Couldn't open eFuse settings: '%s': %s\n", | |
848 | "kwb_fuses_a38x.txt", strerror(errno)); | |
849 | return -ENOENT; | |
850 | } | |
851 | ||
a1b6b0a9 MS |
852 | kwb_dump_fuse_cmds_38x(out, sec_hdr); |
853 | fclose(out); | |
854 | goto done; | |
855 | } | |
856 | ||
857 | ret = -ENOSYS; | |
858 | ||
859 | done: | |
860 | return ret; | |
861 | } | |
862 | ||
5cad2e6c T |
863 | static size_t image_headersz_align(size_t headersz, uint8_t blockid) |
864 | { | |
865 | /* | |
866 | * Header needs to be 4-byte aligned, which is already ensured by code | |
867 | * above. Moreover UART images must have header aligned to 128 bytes | |
868 | * (xmodem block size), NAND images to 256 bytes (ECC calculation), | |
869 | * and SATA and SDIO images to 512 bytes (storage block size). | |
870 | * Note that SPI images do not have to have header size aligned | |
871 | * to 256 bytes because it is possible to read from SPI storage from | |
872 | * any offset (read offset does not have to be aligned to block size). | |
873 | */ | |
874 | if (blockid == IBR_HDR_UART_ID) | |
875 | return ALIGN(headersz, 128); | |
876 | else if (blockid == IBR_HDR_NAND_ID) | |
877 | return ALIGN(headersz, 256); | |
878 | else if (blockid == IBR_HDR_SATA_ID || blockid == IBR_HDR_SDIO_ID) | |
879 | return ALIGN(headersz, 512); | |
880 | else | |
881 | return headersz; | |
882 | } | |
883 | ||
851114be T |
884 | static size_t image_headersz_v0(int *hasext) |
885 | { | |
886 | size_t headersz; | |
887 | ||
888 | headersz = sizeof(struct main_hdr_v0); | |
889 | if (image_count_options(IMAGE_CFG_DATA) > 0) { | |
890 | headersz += sizeof(struct ext_hdr_v0); | |
891 | if (hasext) | |
892 | *hasext = 1; | |
893 | } | |
894 | ||
895 | return image_headersz_align(headersz, image_get_bootfrom()); | |
896 | } | |
897 | ||
4acd2d24 SR |
898 | static void *image_create_v0(size_t *imagesz, struct image_tool_params *params, |
899 | int payloadsz) | |
aa0c7a86 | 900 | { |
4acd2d24 SR |
901 | struct image_cfg_element *e; |
902 | size_t headersz; | |
903 | struct main_hdr_v0 *main_hdr; | |
885fba15 | 904 | uint8_t *image; |
4acd2d24 SR |
905 | int has_ext = 0; |
906 | ||
907 | /* | |
908 | * Calculate the size of the header and the size of the | |
909 | * payload | |
910 | */ | |
851114be | 911 | headersz = image_headersz_v0(&has_ext); |
4acd2d24 | 912 | |
4acd2d24 SR |
913 | image = malloc(headersz); |
914 | if (!image) { | |
915 | fprintf(stderr, "Cannot allocate memory for image\n"); | |
916 | return NULL; | |
aa0c7a86 | 917 | } |
aa0c7a86 | 918 | |
4acd2d24 SR |
919 | memset(image, 0, headersz); |
920 | ||
885fba15 | 921 | main_hdr = (struct main_hdr_v0 *)image; |
4acd2d24 SR |
922 | |
923 | /* Fill in the main header */ | |
a8840dce | 924 | main_hdr->blocksize = |
e23ad5d5 | 925 | cpu_to_le32(payloadsz); |
a8840dce | 926 | main_hdr->srcaddr = cpu_to_le32(headersz); |
4acd2d24 | 927 | main_hdr->ext = has_ext; |
01bdac6d | 928 | main_hdr->version = 0; |
a8840dce RP |
929 | main_hdr->destaddr = cpu_to_le32(params->addr); |
930 | main_hdr->execaddr = cpu_to_le32(params->ep); | |
d1547b36 | 931 | main_hdr->blockid = image_get_bootfrom(); |
4acd2d24 | 932 | |
4acd2d24 SR |
933 | e = image_find_option(IMAGE_CFG_NAND_ECC_MODE); |
934 | if (e) | |
935 | main_hdr->nandeccmode = e->nandeccmode; | |
936 | e = image_find_option(IMAGE_CFG_NAND_PAGESZ); | |
937 | if (e) | |
a8840dce | 938 | main_hdr->nandpagesize = cpu_to_le16(e->nandpagesz); |
4acd2d24 SR |
939 | main_hdr->checksum = image_checksum8(image, |
940 | sizeof(struct main_hdr_v0)); | |
941 | ||
5c61710c T |
942 | /* |
943 | * For SATA srcaddr is specified in number of sectors starting from | |
944 | * sector 0. The main header is stored at sector number 1. | |
945 | * This expects the sector size to be 512 bytes. | |
946 | * Header size is already aligned. | |
947 | */ | |
948 | if (main_hdr->blockid == IBR_HDR_SATA_ID) | |
949 | main_hdr->srcaddr = cpu_to_le32(headersz / 512 + 1); | |
950 | ||
951 | /* | |
952 | * For SDIO srcaddr is specified in number of sectors starting from | |
953 | * sector 0. The main header is stored at sector number 0. | |
954 | * This expects sector size to be 512 bytes. | |
955 | * Header size is already aligned. | |
956 | */ | |
957 | if (main_hdr->blockid == IBR_HDR_SDIO_ID) | |
958 | main_hdr->srcaddr = cpu_to_le32(headersz / 512); | |
959 | ||
960 | /* For PCIe srcaddr is not used and must be set to 0xFFFFFFFF. */ | |
961 | if (main_hdr->blockid == IBR_HDR_PEX_ID) | |
962 | main_hdr->srcaddr = cpu_to_le32(0xFFFFFFFF); | |
963 | ||
4acd2d24 SR |
964 | /* Generate the ext header */ |
965 | if (has_ext) { | |
e89016c4 | 966 | struct ext_hdr_v0 *ext_hdr; |
4acd2d24 SR |
967 | int cfgi, datai; |
968 | ||
885fba15 MS |
969 | ext_hdr = (struct ext_hdr_v0 *) |
970 | (image + sizeof(struct main_hdr_v0)); | |
a8840dce | 971 | ext_hdr->offset = cpu_to_le32(0x40); |
4acd2d24 SR |
972 | |
973 | for (cfgi = 0, datai = 0; cfgi < cfgn; cfgi++) { | |
974 | e = &image_cfg[cfgi]; | |
975 | if (e->type != IMAGE_CFG_DATA) | |
976 | continue; | |
977 | ||
a8840dce RP |
978 | ext_hdr->rcfg[datai].raddr = |
979 | cpu_to_le32(e->regdata.raddr); | |
980 | ext_hdr->rcfg[datai].rdata = | |
981 | cpu_to_le32(e->regdata.rdata); | |
4acd2d24 SR |
982 | datai++; |
983 | } | |
984 | ||
985 | ext_hdr->checksum = image_checksum8(ext_hdr, | |
986 | sizeof(struct ext_hdr_v0)); | |
987 | } | |
988 | ||
989 | *imagesz = headersz; | |
990 | return image; | |
aa0c7a86 PW |
991 | } |
992 | ||
e93cf53f | 993 | static size_t image_headersz_v1(int *hasext) |
4acd2d24 SR |
994 | { |
995 | struct image_cfg_element *binarye; | |
02ba70ad | 996 | unsigned int count; |
4acd2d24 | 997 | size_t headersz; |
d9fb82c5 | 998 | int cfgi; |
4acd2d24 SR |
999 | |
1000 | /* | |
1001 | * Calculate the size of the header and the size of the | |
1002 | * payload | |
1003 | */ | |
1004 | headersz = sizeof(struct main_hdr_v1); | |
1005 | ||
e58f08b4 T |
1006 | if (image_get_csk_index() >= 0) { |
1007 | headersz += sizeof(struct secure_hdr_v1); | |
1008 | if (hasext) | |
1009 | *hasext = 1; | |
1010 | } | |
1011 | ||
02ba70ad T |
1012 | count = image_count_options(IMAGE_CFG_DATA); |
1013 | if (count > 0) | |
1014 | headersz += sizeof(struct register_set_hdr_v1) + 8 * count + 4; | |
1015 | ||
d9fb82c5 | 1016 | for (cfgi = 0; cfgi < cfgn; cfgi++) { |
e89016c4 | 1017 | int ret; |
4acd2d24 SR |
1018 | struct stat s; |
1019 | ||
d9fb82c5 T |
1020 | binarye = &image_cfg[cfgi]; |
1021 | if (binarye->type != IMAGE_CFG_BINARY) | |
1022 | continue; | |
1023 | ||
4acd2d24 SR |
1024 | ret = stat(binarye->binary.file, &s); |
1025 | if (ret < 0) { | |
e5f1a586 AB |
1026 | char cwd[PATH_MAX]; |
1027 | char *dir = cwd; | |
1028 | ||
1029 | memset(cwd, 0, sizeof(cwd)); | |
1030 | if (!getcwd(cwd, sizeof(cwd))) { | |
1031 | dir = "current working directory"; | |
1032 | perror("getcwd() failed"); | |
1033 | } | |
1034 | ||
4acd2d24 SR |
1035 | fprintf(stderr, |
1036 | "Didn't find the file '%s' in '%s' which is mandatory to generate the image\n" | |
1037 | "This file generally contains the DDR3 training code, and should be extracted from an existing bootable\n" | |
3d7b93d5 | 1038 | "image for your board. Use 'dumpimage -T kwbimage -p 0' to extract it from an existing image.\n", |
e5f1a586 | 1039 | binarye->binary.file, dir); |
4acd2d24 SR |
1040 | return 0; |
1041 | } | |
aa0c7a86 | 1042 | |
e58f08b4 T |
1043 | headersz += sizeof(struct opt_hdr_v1) + sizeof(uint32_t) + |
1044 | (binarye->binary.nargs) * sizeof(uint32_t); | |
1045 | headersz = ALIGN(headersz, 16); | |
1046 | headersz += ALIGN(s.st_size, 4) + sizeof(uint32_t); | |
a1b6b0a9 MS |
1047 | if (hasext) |
1048 | *hasext = 1; | |
1049 | } | |
a1b6b0a9 | 1050 | |
5cad2e6c | 1051 | return image_headersz_align(headersz, image_get_bootfrom()); |
4acd2d24 | 1052 | } |
aa0c7a86 | 1053 | |
d9fb82c5 | 1054 | int add_binary_header_v1(uint8_t **cur, uint8_t **next_ext, |
e58f08b4 T |
1055 | struct image_cfg_element *binarye, |
1056 | struct main_hdr_v1 *main_hdr) | |
79066ef8 | 1057 | { |
d9fb82c5 | 1058 | struct opt_hdr_v1 *hdr = (struct opt_hdr_v1 *)*cur; |
e58f08b4 T |
1059 | uint32_t add_args; |
1060 | uint32_t offset; | |
79066ef8 MS |
1061 | uint32_t *args; |
1062 | size_t binhdrsz; | |
1063 | struct stat s; | |
1064 | int argi; | |
1065 | FILE *bin; | |
1066 | int ret; | |
1067 | ||
79066ef8 MS |
1068 | hdr->headertype = OPT_HDR_V1_BINARY_TYPE; |
1069 | ||
1070 | bin = fopen(binarye->binary.file, "r"); | |
1071 | if (!bin) { | |
1072 | fprintf(stderr, "Cannot open binary file %s\n", | |
1073 | binarye->binary.file); | |
1074 | return -1; | |
1075 | } | |
1076 | ||
1f6c8a57 MS |
1077 | if (fstat(fileno(bin), &s)) { |
1078 | fprintf(stderr, "Cannot stat binary file %s\n", | |
1079 | binarye->binary.file); | |
1080 | goto err_close; | |
1081 | } | |
79066ef8 | 1082 | |
d9fb82c5 | 1083 | *cur += sizeof(struct opt_hdr_v1); |
79066ef8 | 1084 | |
d9fb82c5 | 1085 | args = (uint32_t *)*cur; |
79066ef8 MS |
1086 | *args = cpu_to_le32(binarye->binary.nargs); |
1087 | args++; | |
1088 | for (argi = 0; argi < binarye->binary.nargs; argi++) | |
1089 | args[argi] = cpu_to_le32(binarye->binary.args[argi]); | |
1090 | ||
d9fb82c5 | 1091 | *cur += (binarye->binary.nargs + 1) * sizeof(uint32_t); |
79066ef8 | 1092 | |
e58f08b4 T |
1093 | /* |
1094 | * ARM executable code inside the BIN header on some mvebu platforms | |
1095 | * (e.g. A370, AXP) must always be aligned with the 128-bit boundary. | |
1096 | * This requirement can be met by inserting dummy arguments into | |
1097 | * BIN header, if needed. | |
1098 | */ | |
1099 | offset = *cur - (uint8_t *)main_hdr; | |
1100 | add_args = ((16 - offset % 16) % 16) / sizeof(uint32_t); | |
1101 | if (add_args) { | |
1102 | *(args - 1) = cpu_to_le32(binarye->binary.nargs + add_args); | |
1103 | *cur += add_args * sizeof(uint32_t); | |
1104 | } | |
1105 | ||
d9fb82c5 | 1106 | ret = fread(*cur, s.st_size, 1, bin); |
79066ef8 MS |
1107 | if (ret != 1) { |
1108 | fprintf(stderr, | |
1109 | "Could not read binary image %s\n", | |
1110 | binarye->binary.file); | |
1f6c8a57 | 1111 | goto err_close; |
79066ef8 MS |
1112 | } |
1113 | ||
1114 | fclose(bin); | |
1115 | ||
d9fb82c5 | 1116 | *cur += ALIGN(s.st_size, 4); |
79066ef8 | 1117 | |
d9fb82c5 T |
1118 | *((uint32_t *)*cur) = 0x00000000; |
1119 | **next_ext = 1; | |
1120 | *next_ext = *cur; | |
79066ef8 | 1121 | |
d9fb82c5 | 1122 | *cur += sizeof(uint32_t); |
79066ef8 | 1123 | |
e58f08b4 T |
1124 | binhdrsz = sizeof(struct opt_hdr_v1) + |
1125 | (binarye->binary.nargs + add_args + 2) * sizeof(uint32_t) + | |
1126 | ALIGN(s.st_size, 4); | |
1127 | hdr->headersz_lsb = cpu_to_le16(binhdrsz & 0xFFFF); | |
1128 | hdr->headersz_msb = (binhdrsz & 0xFFFF0000) >> 16; | |
1129 | ||
79066ef8 | 1130 | return 0; |
1f6c8a57 MS |
1131 | |
1132 | err_close: | |
1133 | fclose(bin); | |
1134 | ||
1135 | return -1; | |
79066ef8 MS |
1136 | } |
1137 | ||
a1b6b0a9 MS |
1138 | int export_pub_kak_hash(RSA *kak, struct secure_hdr_v1 *secure_hdr) |
1139 | { | |
1140 | FILE *hashf; | |
1141 | int res; | |
1142 | ||
1143 | hashf = fopen("pub_kak_hash.txt", "w"); | |
f858bb2e HS |
1144 | if (!hashf) { |
1145 | fprintf(stderr, "Couldn't open hash file: '%s': %s\n", | |
1146 | "pub_kak_hash.txt", strerror(errno)); | |
1147 | return 1; | |
1148 | } | |
a1b6b0a9 MS |
1149 | |
1150 | res = kwb_export_pubkey(kak, &secure_hdr->kak, hashf, "KAK"); | |
1151 | ||
1152 | fclose(hashf); | |
1153 | ||
1154 | return res < 0 ? 1 : 0; | |
1155 | } | |
1156 | ||
1157 | int kwb_sign_csk_with_kak(struct image_tool_params *params, | |
1158 | struct secure_hdr_v1 *secure_hdr, RSA *csk) | |
1159 | { | |
1160 | RSA *kak = NULL; | |
1161 | RSA *kak_pub = NULL; | |
1162 | int csk_idx = image_get_csk_index(); | |
1163 | struct sig_v1 tmp_sig; | |
1164 | ||
f0317d78 | 1165 | if (csk_idx < 0 || csk_idx > 15) { |
a1b6b0a9 MS |
1166 | fprintf(stderr, "Invalid CSK index %d\n", csk_idx); |
1167 | return 1; | |
1168 | } | |
1169 | ||
1170 | if (kwb_load_kak(params, &kak) < 0) | |
1171 | return 1; | |
1172 | ||
1173 | if (export_pub_kak_hash(kak, secure_hdr)) | |
1174 | return 1; | |
1175 | ||
1176 | if (kwb_import_pubkey(&kak_pub, &secure_hdr->kak, "KAK") < 0) | |
1177 | return 1; | |
1178 | ||
1179 | if (kwb_export_pubkey(csk, &secure_hdr->csk[csk_idx], NULL, "CSK") < 0) | |
1180 | return 1; | |
1181 | ||
1182 | if (kwb_sign_and_verify(kak, &secure_hdr->csk, | |
1183 | sizeof(secure_hdr->csk) + | |
1184 | sizeof(secure_hdr->csksig), | |
1185 | &tmp_sig, "CSK") < 0) | |
1186 | return 1; | |
1187 | ||
1188 | if (kwb_verify(kak_pub, &secure_hdr->csk, | |
1189 | sizeof(secure_hdr->csk) + | |
1190 | sizeof(secure_hdr->csksig), | |
1191 | &tmp_sig, "CSK (2)") < 0) | |
1192 | return 1; | |
1193 | ||
1194 | secure_hdr->csksig = tmp_sig; | |
1195 | ||
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | int add_secure_header_v1(struct image_tool_params *params, uint8_t *ptr, | |
1200 | int payloadsz, size_t headersz, uint8_t *image, | |
1201 | struct secure_hdr_v1 *secure_hdr) | |
1202 | { | |
1203 | struct image_cfg_element *e_jtagdelay; | |
1204 | struct image_cfg_element *e_boxid; | |
1205 | struct image_cfg_element *e_flashid; | |
1206 | RSA *csk = NULL; | |
1207 | unsigned char *image_ptr; | |
1208 | size_t image_size; | |
1209 | struct sig_v1 tmp_sig; | |
1210 | bool specialized_img = image_get_spezialized_img(); | |
1211 | ||
1212 | kwb_msg("Create secure header content\n"); | |
1213 | ||
1214 | e_jtagdelay = image_find_option(IMAGE_CFG_JTAG_DELAY); | |
1215 | e_boxid = image_find_option(IMAGE_CFG_BOX_ID); | |
1216 | e_flashid = image_find_option(IMAGE_CFG_FLASH_ID); | |
1217 | ||
1218 | if (kwb_load_csk(params, &csk) < 0) | |
1219 | return 1; | |
1220 | ||
1221 | secure_hdr->headertype = OPT_HDR_V1_SECURE_TYPE; | |
1222 | secure_hdr->headersz_msb = 0; | |
1223 | secure_hdr->headersz_lsb = cpu_to_le16(sizeof(struct secure_hdr_v1)); | |
1224 | if (e_jtagdelay) | |
1225 | secure_hdr->jtag_delay = e_jtagdelay->jtag_delay; | |
1226 | if (e_boxid && specialized_img) | |
1227 | secure_hdr->boxid = cpu_to_le32(e_boxid->boxid); | |
1228 | if (e_flashid && specialized_img) | |
1229 | secure_hdr->flashid = cpu_to_le32(e_flashid->flashid); | |
1230 | ||
1231 | if (kwb_sign_csk_with_kak(params, secure_hdr, csk)) | |
1232 | return 1; | |
1233 | ||
1234 | image_ptr = ptr + headersz; | |
1235 | image_size = payloadsz - headersz; | |
1236 | ||
1237 | if (kwb_sign_and_verify(csk, image_ptr, image_size, | |
1238 | &secure_hdr->imgsig, "image") < 0) | |
1239 | return 1; | |
1240 | ||
1241 | if (kwb_sign_and_verify(csk, image, headersz, &tmp_sig, "header") < 0) | |
1242 | return 1; | |
1243 | ||
1244 | secure_hdr->hdrsig = tmp_sig; | |
1245 | ||
1246 | kwb_dump_fuse_cmds(secure_hdr); | |
1247 | ||
1248 | return 0; | |
1249 | } | |
a1b6b0a9 | 1250 | |
4acd2d24 | 1251 | static void *image_create_v1(size_t *imagesz, struct image_tool_params *params, |
a1b6b0a9 | 1252 | uint8_t *ptr, int payloadsz) |
4acd2d24 | 1253 | { |
79066ef8 | 1254 | struct image_cfg_element *e; |
4acd2d24 | 1255 | struct main_hdr_v1 *main_hdr; |
2b0980c2 | 1256 | struct opt_hdr_v1 *ohdr; |
02ba70ad | 1257 | struct register_set_hdr_v1 *register_set_hdr; |
a1b6b0a9 | 1258 | struct secure_hdr_v1 *secure_hdr = NULL; |
4acd2d24 | 1259 | size_t headersz; |
885fba15 | 1260 | uint8_t *image, *cur; |
4acd2d24 | 1261 | int hasext = 0; |
a1b6b0a9 | 1262 | uint8_t *next_ext = NULL; |
02ba70ad | 1263 | int cfgi, datai, size; |
4acd2d24 SR |
1264 | |
1265 | /* | |
1266 | * Calculate the size of the header and the size of the | |
1267 | * payload | |
1268 | */ | |
e93cf53f | 1269 | headersz = image_headersz_v1(&hasext); |
4acd2d24 SR |
1270 | if (headersz == 0) |
1271 | return NULL; | |
1272 | ||
1273 | image = malloc(headersz); | |
1274 | if (!image) { | |
1275 | fprintf(stderr, "Cannot allocate memory for image\n"); | |
1276 | return NULL; | |
1277 | } | |
aa0c7a86 | 1278 | |
4acd2d24 SR |
1279 | memset(image, 0, headersz); |
1280 | ||
885fba15 | 1281 | main_hdr = (struct main_hdr_v1 *)image; |
a1b6b0a9 MS |
1282 | cur = image; |
1283 | cur += sizeof(struct main_hdr_v1); | |
1284 | next_ext = &main_hdr->ext; | |
4acd2d24 SR |
1285 | |
1286 | /* Fill the main header */ | |
a8840dce | 1287 | main_hdr->blocksize = |
e23ad5d5 | 1288 | cpu_to_le32(payloadsz); |
a8840dce | 1289 | main_hdr->headersz_lsb = cpu_to_le16(headersz & 0xFFFF); |
4acd2d24 | 1290 | main_hdr->headersz_msb = (headersz & 0xFFFF0000) >> 16; |
cc3443ff | 1291 | main_hdr->destaddr = cpu_to_le32(params->addr); |
a8840dce RP |
1292 | main_hdr->execaddr = cpu_to_le32(params->ep); |
1293 | main_hdr->srcaddr = cpu_to_le32(headersz); | |
4acd2d24 SR |
1294 | main_hdr->ext = hasext; |
1295 | main_hdr->version = 1; | |
d1547b36 T |
1296 | main_hdr->blockid = image_get_bootfrom(); |
1297 | ||
4acd2d24 SR |
1298 | e = image_find_option(IMAGE_CFG_NAND_BLKSZ); |
1299 | if (e) | |
1300 | main_hdr->nandblocksize = e->nandblksz / (64 * 1024); | |
2fdba4f6 T |
1301 | e = image_find_option(IMAGE_CFG_NAND_PAGESZ); |
1302 | if (e) | |
1303 | main_hdr->nandpagesize = cpu_to_le16(e->nandpagesz); | |
4acd2d24 SR |
1304 | e = image_find_option(IMAGE_CFG_NAND_BADBLK_LOCATION); |
1305 | if (e) | |
1306 | main_hdr->nandbadblklocation = e->nandbadblklocation; | |
4bdb5479 CP |
1307 | e = image_find_option(IMAGE_CFG_BAUDRATE); |
1308 | if (e) | |
12f2c03f T |
1309 | main_hdr->options |= baudrate_to_option(e->baudrate); |
1310 | e = image_find_option(IMAGE_CFG_UART_PORT); | |
1311 | if (e) | |
1312 | main_hdr->options |= (e->uart_port & 3) << 3; | |
1313 | e = image_find_option(IMAGE_CFG_UART_MPP); | |
1314 | if (e) | |
1315 | main_hdr->options |= (e->uart_mpp & 7) << 5; | |
2611c05e CP |
1316 | e = image_find_option(IMAGE_CFG_DEBUG); |
1317 | if (e) | |
1318 | main_hdr->flags = e->debug ? 0x1 : 0; | |
4acd2d24 | 1319 | |
501a54a2 T |
1320 | /* |
1321 | * For SATA srcaddr is specified in number of sectors starting from | |
1322 | * sector 0. The main header is stored at sector number 1. | |
1323 | * This expects the sector size to be 512 bytes. | |
1324 | * Header size is already aligned. | |
1325 | */ | |
1326 | if (main_hdr->blockid == IBR_HDR_SATA_ID) | |
1327 | main_hdr->srcaddr = cpu_to_le32(headersz / 512 + 1); | |
1328 | ||
1329 | /* | |
1330 | * For SDIO srcaddr is specified in number of sectors starting from | |
1331 | * sector 0. The main header is stored at sector number 0. | |
1332 | * This expects sector size to be 512 bytes. | |
1333 | * Header size is already aligned. | |
1334 | */ | |
1335 | if (main_hdr->blockid == IBR_HDR_SDIO_ID) | |
1336 | main_hdr->srcaddr = cpu_to_le32(headersz / 512); | |
1337 | ||
1338 | /* For PCIe srcaddr is not used and must be set to 0xFFFFFFFF. */ | |
1339 | if (main_hdr->blockid == IBR_HDR_PEX_ID) | |
1340 | main_hdr->srcaddr = cpu_to_le32(0xFFFFFFFF); | |
1341 | ||
a1b6b0a9 MS |
1342 | if (image_get_csk_index() >= 0) { |
1343 | /* | |
1344 | * only reserve the space here; we fill the header later since | |
1345 | * we need the header to be complete to compute the signatures | |
1346 | */ | |
1347 | secure_hdr = (struct secure_hdr_v1 *)cur; | |
1348 | cur += sizeof(struct secure_hdr_v1); | |
d9fb82c5 | 1349 | *next_ext = 1; |
a1b6b0a9 MS |
1350 | next_ext = &secure_hdr->next; |
1351 | } | |
a1b6b0a9 | 1352 | |
02ba70ad T |
1353 | datai = 0; |
1354 | register_set_hdr = (struct register_set_hdr_v1 *)cur; | |
1355 | for (cfgi = 0; cfgi < cfgn; cfgi++) { | |
1356 | e = &image_cfg[cfgi]; | |
f63c583f T |
1357 | if (e->type != IMAGE_CFG_DATA && |
1358 | e->type != IMAGE_CFG_DATA_DELAY) | |
02ba70ad | 1359 | continue; |
f63c583f T |
1360 | if (e->type == IMAGE_CFG_DATA_DELAY) { |
1361 | size = sizeof(struct register_set_hdr_v1) + 8 * datai + 4; | |
1362 | register_set_hdr->headertype = OPT_HDR_V1_REGISTER_TYPE; | |
1363 | register_set_hdr->headersz_lsb = cpu_to_le16(size & 0xFFFF); | |
1364 | register_set_hdr->headersz_msb = size >> 16; | |
1365 | register_set_hdr->data[datai].last_entry.delay = e->regdata_delay; | |
1366 | cur += size; | |
1367 | *next_ext = 1; | |
1368 | next_ext = ®ister_set_hdr->data[datai].last_entry.next; | |
1369 | datai = 0; | |
1370 | continue; | |
1371 | } | |
02ba70ad T |
1372 | register_set_hdr->data[datai].entry.address = |
1373 | cpu_to_le32(e->regdata.raddr); | |
1374 | register_set_hdr->data[datai].entry.value = | |
1375 | cpu_to_le32(e->regdata.rdata); | |
1376 | datai++; | |
1377 | } | |
1378 | if (datai != 0) { | |
1379 | size = sizeof(struct register_set_hdr_v1) + 8 * datai + 4; | |
1380 | register_set_hdr->headertype = OPT_HDR_V1_REGISTER_TYPE; | |
1381 | register_set_hdr->headersz_lsb = cpu_to_le16(size & 0xFFFF); | |
1382 | register_set_hdr->headersz_msb = size >> 16; | |
1383 | /* Set delay to the smallest possible value 1ms. */ | |
1384 | register_set_hdr->data[datai].last_entry.delay = 1; | |
1385 | cur += size; | |
1386 | *next_ext = 1; | |
1387 | next_ext = ®ister_set_hdr->data[datai].last_entry.next; | |
1388 | } | |
1389 | ||
d9fb82c5 T |
1390 | for (cfgi = 0; cfgi < cfgn; cfgi++) { |
1391 | e = &image_cfg[cfgi]; | |
1392 | if (e->type != IMAGE_CFG_BINARY) | |
1393 | continue; | |
1394 | ||
e58f08b4 | 1395 | if (add_binary_header_v1(&cur, &next_ext, e, main_hdr)) |
d9fb82c5 T |
1396 | return NULL; |
1397 | } | |
4acd2d24 | 1398 | |
e23ad5d5 | 1399 | if (secure_hdr && add_secure_header_v1(params, ptr, payloadsz + headersz, |
a1b6b0a9 MS |
1400 | headersz, image, secure_hdr)) |
1401 | return NULL; | |
a1b6b0a9 | 1402 | |
4acd2d24 | 1403 | *imagesz = headersz; |
2b0980c2 T |
1404 | |
1405 | /* Fill the real header size without padding into the main header */ | |
1406 | headersz = sizeof(*main_hdr); | |
1407 | for_each_opt_hdr_v1 (ohdr, main_hdr) | |
1408 | headersz += opt_hdr_v1_size(ohdr); | |
1409 | main_hdr->headersz_lsb = cpu_to_le16(headersz & 0xFFFF); | |
1410 | main_hdr->headersz_msb = (headersz & 0xFFFF0000) >> 16; | |
1411 | ||
9203c738 PB |
1412 | /* Calculate and set the header checksum */ |
1413 | main_hdr->checksum = image_checksum8(main_hdr, headersz); | |
1414 | ||
4acd2d24 SR |
1415 | return image; |
1416 | } | |
1417 | ||
4991b4f7 MS |
1418 | int recognize_keyword(char *keyword) |
1419 | { | |
1420 | int kw_id; | |
1421 | ||
1422 | for (kw_id = 1; kw_id < IMAGE_CFG_COUNT; ++kw_id) | |
1423 | if (!strcmp(keyword, id_strs[kw_id])) | |
1424 | return kw_id; | |
1425 | ||
1426 | return 0; | |
1427 | } | |
1428 | ||
4acd2d24 SR |
1429 | static int image_create_config_parse_oneline(char *line, |
1430 | struct image_cfg_element *el) | |
1431 | { | |
4991b4f7 MS |
1432 | char *keyword, *saveptr, *value1, *value2; |
1433 | char delimiters[] = " \t"; | |
1434 | int keyword_id, ret, argi; | |
1435 | char *unknown_msg = "Ignoring unknown line '%s'\n"; | |
1436 | ||
1437 | keyword = strtok_r(line, delimiters, &saveptr); | |
1438 | keyword_id = recognize_keyword(keyword); | |
1439 | ||
1440 | if (!keyword_id) { | |
1441 | fprintf(stderr, unknown_msg, line); | |
1442 | return 0; | |
1443 | } | |
4acd2d24 | 1444 | |
4991b4f7 | 1445 | el->type = keyword_id; |
94490a4a | 1446 | |
4991b4f7 MS |
1447 | value1 = strtok_r(NULL, delimiters, &saveptr); |
1448 | ||
1449 | if (!value1) { | |
1450 | fprintf(stderr, "Parameter missing in line '%s'\n", line); | |
1451 | return -1; | |
1452 | } | |
1453 | ||
1454 | switch (keyword_id) { | |
1455 | case IMAGE_CFG_VERSION: | |
1456 | el->version = atoi(value1); | |
1457 | break; | |
1458 | case IMAGE_CFG_BOOT_FROM: | |
1459 | ret = image_boot_mode_id(value1); | |
94490a4a | 1460 | |
f411b8f2 | 1461 | if (ret < 0) { |
4991b4f7 | 1462 | fprintf(stderr, "Invalid boot media '%s'\n", value1); |
4acd2d24 SR |
1463 | return -1; |
1464 | } | |
f411b8f2 | 1465 | el->bootfrom = ret; |
4991b4f7 MS |
1466 | break; |
1467 | case IMAGE_CFG_NAND_BLKSZ: | |
1468 | el->nandblksz = strtoul(value1, NULL, 16); | |
1469 | break; | |
1470 | case IMAGE_CFG_NAND_BADBLK_LOCATION: | |
1471 | el->nandbadblklocation = strtoul(value1, NULL, 16); | |
1472 | break; | |
1473 | case IMAGE_CFG_NAND_ECC_MODE: | |
1474 | ret = image_nand_ecc_mode_id(value1); | |
94490a4a | 1475 | |
f411b8f2 | 1476 | if (ret < 0) { |
4991b4f7 | 1477 | fprintf(stderr, "Invalid NAND ECC mode '%s'\n", value1); |
4acd2d24 SR |
1478 | return -1; |
1479 | } | |
f411b8f2 | 1480 | el->nandeccmode = ret; |
4991b4f7 MS |
1481 | break; |
1482 | case IMAGE_CFG_NAND_PAGESZ: | |
1483 | el->nandpagesz = strtoul(value1, NULL, 16); | |
1484 | break; | |
1485 | case IMAGE_CFG_BINARY: | |
1486 | argi = 0; | |
1487 | ||
1488 | el->binary.file = strdup(value1); | |
4acd2d24 | 1489 | while (1) { |
4991b4f7 MS |
1490 | char *value = strtok_r(NULL, delimiters, &saveptr); |
1491 | ||
4acd2d24 SR |
1492 | if (!value) |
1493 | break; | |
1494 | el->binary.args[argi] = strtoul(value, NULL, 16); | |
1495 | argi++; | |
1496 | if (argi >= BINARY_MAX_ARGS) { | |
1497 | fprintf(stderr, | |
4991b4f7 | 1498 | "Too many arguments for BINARY\n"); |
4acd2d24 | 1499 | return -1; |
aa0c7a86 | 1500 | } |
aa0c7a86 | 1501 | } |
4acd2d24 | 1502 | el->binary.nargs = argi; |
4991b4f7 MS |
1503 | break; |
1504 | case IMAGE_CFG_DATA: | |
1505 | value2 = strtok_r(NULL, delimiters, &saveptr); | |
4acd2d24 SR |
1506 | |
1507 | if (!value1 || !value2) { | |
1508 | fprintf(stderr, | |
1509 | "Invalid number of arguments for DATA\n"); | |
1510 | return -1; | |
1511 | } | |
1512 | ||
4acd2d24 SR |
1513 | el->regdata.raddr = strtoul(value1, NULL, 16); |
1514 | el->regdata.rdata = strtoul(value2, NULL, 16); | |
4991b4f7 | 1515 | break; |
f63c583f T |
1516 | case IMAGE_CFG_DATA_DELAY: |
1517 | if (!strcmp(value1, "SDRAM_SETUP")) | |
1518 | el->regdata_delay = REGISTER_SET_HDR_OPT_DELAY_SDRAM_SETUP; | |
1519 | else | |
1520 | el->regdata_delay = REGISTER_SET_HDR_OPT_DELAY_MS(strtoul(value1, NULL, 10)); | |
1521 | break; | |
4991b4f7 MS |
1522 | case IMAGE_CFG_BAUDRATE: |
1523 | el->baudrate = strtoul(value1, NULL, 10); | |
1524 | break; | |
12f2c03f T |
1525 | case IMAGE_CFG_UART_PORT: |
1526 | el->uart_port = strtoul(value1, NULL, 16); | |
1527 | break; | |
1528 | case IMAGE_CFG_UART_MPP: | |
1529 | el->uart_mpp = strtoul(value1, NULL, 16); | |
1530 | break; | |
4991b4f7 MS |
1531 | case IMAGE_CFG_DEBUG: |
1532 | el->debug = strtoul(value1, NULL, 10); | |
1533 | break; | |
a1b6b0a9 MS |
1534 | case IMAGE_CFG_KAK: |
1535 | el->key_name = strdup(value1); | |
1536 | break; | |
1537 | case IMAGE_CFG_CSK: | |
1538 | el->key_name = strdup(value1); | |
1539 | break; | |
1540 | case IMAGE_CFG_CSK_INDEX: | |
1541 | el->csk_idx = strtol(value1, NULL, 0); | |
1542 | break; | |
1543 | case IMAGE_CFG_JTAG_DELAY: | |
1544 | el->jtag_delay = strtoul(value1, NULL, 0); | |
1545 | break; | |
1546 | case IMAGE_CFG_BOX_ID: | |
1547 | el->boxid = strtoul(value1, NULL, 0); | |
1548 | break; | |
1549 | case IMAGE_CFG_FLASH_ID: | |
1550 | el->flashid = strtoul(value1, NULL, 0); | |
1551 | break; | |
1552 | case IMAGE_CFG_SEC_SPECIALIZED_IMG: | |
1553 | el->sec_specialized_img = true; | |
1554 | break; | |
1555 | case IMAGE_CFG_SEC_COMMON_IMG: | |
1556 | el->sec_specialized_img = false; | |
1557 | break; | |
1558 | case IMAGE_CFG_SEC_BOOT_DEV: | |
1559 | el->sec_boot_dev = strtoul(value1, NULL, 0); | |
1560 | break; | |
1561 | case IMAGE_CFG_SEC_FUSE_DUMP: | |
1562 | el->name = strdup(value1); | |
1563 | break; | |
4991b4f7 MS |
1564 | default: |
1565 | fprintf(stderr, unknown_msg, line); | |
aa0c7a86 | 1566 | } |
aa0c7a86 | 1567 | |
4acd2d24 SR |
1568 | return 0; |
1569 | } | |
aa0c7a86 PW |
1570 | |
1571 | /* | |
4acd2d24 SR |
1572 | * Parse the configuration file 'fcfg' into the array of configuration |
1573 | * elements 'image_cfg', and return the number of configuration | |
1574 | * elements in 'cfgn'. | |
aa0c7a86 | 1575 | */ |
4acd2d24 SR |
1576 | static int image_create_config_parse(FILE *fcfg) |
1577 | { | |
1578 | int ret; | |
1579 | int cfgi = 0; | |
1580 | ||
1581 | /* Parse the configuration file */ | |
1582 | while (!feof(fcfg)) { | |
1583 | char *line; | |
1584 | char buf[256]; | |
1585 | ||
1586 | /* Read the current line */ | |
1587 | memset(buf, 0, sizeof(buf)); | |
1588 | line = fgets(buf, sizeof(buf), fcfg); | |
1589 | if (!line) | |
1590 | break; | |
1591 | ||
1592 | /* Ignore useless lines */ | |
1593 | if (line[0] == '\n' || line[0] == '#') | |
1594 | continue; | |
1595 | ||
1596 | /* Strip final newline */ | |
1597 | if (line[strlen(line) - 1] == '\n') | |
1598 | line[strlen(line) - 1] = 0; | |
1599 | ||
1600 | /* Parse the current line */ | |
1601 | ret = image_create_config_parse_oneline(line, | |
1602 | &image_cfg[cfgi]); | |
1603 | if (ret) | |
1604 | return ret; | |
1605 | ||
1606 | cfgi++; | |
1607 | ||
1608 | if (cfgi >= IMAGE_CFG_ELEMENT_MAX) { | |
1609 | fprintf(stderr, | |
1610 | "Too many configuration elements in .cfg file\n"); | |
1611 | return -1; | |
1612 | } | |
1613 | } | |
1614 | ||
1615 | cfgn = cfgi; | |
1616 | return 0; | |
1617 | } | |
1618 | ||
1619 | static int image_get_version(void) | |
1620 | { | |
1621 | struct image_cfg_element *e; | |
1622 | ||
1623 | e = image_find_option(IMAGE_CFG_VERSION); | |
1624 | if (!e) | |
1625 | return -1; | |
1626 | ||
1627 | return e->version; | |
1628 | } | |
1629 | ||
4acd2d24 | 1630 | static void kwbimage_set_header(void *ptr, struct stat *sbuf, int ifd, |
f86ed6a8 | 1631 | struct image_tool_params *params) |
aa0c7a86 | 1632 | { |
4acd2d24 SR |
1633 | FILE *fcfg; |
1634 | void *image = NULL; | |
1635 | int version; | |
93e9371f | 1636 | size_t headersz = 0; |
e23ad5d5 | 1637 | size_t datasz; |
aa0c7a86 | 1638 | uint32_t checksum; |
e23ad5d5 | 1639 | struct stat s; |
4acd2d24 | 1640 | int ret; |
aa0c7a86 | 1641 | |
e23ad5d5 T |
1642 | /* |
1643 | * Do not use sbuf->st_size as it contains size with padding. | |
1644 | * We need original image data size, so stat original file. | |
1645 | */ | |
1646 | if (stat(params->datafile, &s)) { | |
1647 | fprintf(stderr, "Could not stat data file %s: %s\n", | |
1648 | params->datafile, strerror(errno)); | |
1649 | exit(EXIT_FAILURE); | |
1650 | } | |
1651 | datasz = ALIGN(s.st_size, 4); | |
1652 | ||
4acd2d24 SR |
1653 | fcfg = fopen(params->imagename, "r"); |
1654 | if (!fcfg) { | |
1655 | fprintf(stderr, "Could not open input file %s\n", | |
1656 | params->imagename); | |
1657 | exit(EXIT_FAILURE); | |
1658 | } | |
1659 | ||
1660 | image_cfg = malloc(IMAGE_CFG_ELEMENT_MAX * | |
1661 | sizeof(struct image_cfg_element)); | |
1662 | if (!image_cfg) { | |
1663 | fprintf(stderr, "Cannot allocate memory\n"); | |
1664 | fclose(fcfg); | |
1665 | exit(EXIT_FAILURE); | |
1666 | } | |
1667 | ||
1668 | memset(image_cfg, 0, | |
1669 | IMAGE_CFG_ELEMENT_MAX * sizeof(struct image_cfg_element)); | |
1670 | rewind(fcfg); | |
1671 | ||
1672 | ret = image_create_config_parse(fcfg); | |
1673 | fclose(fcfg); | |
1674 | if (ret) { | |
1675 | free(image_cfg); | |
1676 | exit(EXIT_FAILURE); | |
1677 | } | |
1678 | ||
1679 | version = image_get_version(); | |
934a529f SR |
1680 | switch (version) { |
1681 | /* | |
1682 | * Fallback to version 0 if no version is provided in the | |
1683 | * cfg file | |
1684 | */ | |
1685 | case -1: | |
1686 | case 0: | |
e23ad5d5 | 1687 | image = image_create_v0(&headersz, params, datasz + 4); |
934a529f SR |
1688 | break; |
1689 | ||
1690 | case 1: | |
e23ad5d5 | 1691 | image = image_create_v1(&headersz, params, ptr, datasz + 4); |
934a529f SR |
1692 | break; |
1693 | ||
1694 | default: | |
1695 | fprintf(stderr, "Unsupported version %d\n", version); | |
1696 | free(image_cfg); | |
1697 | exit(EXIT_FAILURE); | |
1698 | } | |
4acd2d24 SR |
1699 | |
1700 | if (!image) { | |
1701 | fprintf(stderr, "Could not create image\n"); | |
1702 | free(image_cfg); | |
1703 | exit(EXIT_FAILURE); | |
1704 | } | |
1705 | ||
1706 | free(image_cfg); | |
aa0c7a86 | 1707 | |
e23ad5d5 | 1708 | /* Build and add image data checksum */ |
37cb9c15 | 1709 | checksum = cpu_to_le32(image_checksum32((uint8_t *)ptr + headersz, |
e23ad5d5 T |
1710 | datasz)); |
1711 | memcpy((uint8_t *)ptr + headersz + datasz, &checksum, sizeof(uint32_t)); | |
aa0c7a86 | 1712 | |
4acd2d24 SR |
1713 | /* Finally copy the header into the image area */ |
1714 | memcpy(ptr, image, headersz); | |
aa0c7a86 | 1715 | |
4acd2d24 | 1716 | free(image); |
aa0c7a86 PW |
1717 | } |
1718 | ||
4acd2d24 | 1719 | static void kwbimage_print_header(const void *ptr) |
aa0c7a86 | 1720 | { |
4acd2d24 | 1721 | struct main_hdr_v0 *mhdr = (struct main_hdr_v0 *)ptr; |
732c930b | 1722 | struct opt_hdr_v1 *ohdr; |
4acd2d24 SR |
1723 | |
1724 | printf("Image Type: MVEBU Boot from %s Image\n", | |
1725 | image_boot_mode_name(mhdr->blockid)); | |
acb0b38d | 1726 | printf("Image version:%d\n", kwbimage_version(ptr)); |
34dcf952 | 1727 | |
732c930b MB |
1728 | for_each_opt_hdr_v1 (ohdr, mhdr) { |
1729 | if (ohdr->headertype == OPT_HDR_V1_BINARY_TYPE) { | |
1730 | printf("BIN Hdr Size: "); | |
1731 | genimg_print_size(opt_hdr_v1_size(ohdr) - 12 - | |
1732 | 4 * ohdr->data[0]); | |
34dcf952 T |
1733 | } |
1734 | } | |
732c930b | 1735 | |
26f195c7 | 1736 | printf("Data Size: "); |
4acd2d24 SR |
1737 | genimg_print_size(mhdr->blocksize - sizeof(uint32_t)); |
1738 | printf("Load Address: %08x\n", mhdr->destaddr); | |
1739 | printf("Entry Point: %08x\n", mhdr->execaddr); | |
aa0c7a86 PW |
1740 | } |
1741 | ||
4acd2d24 | 1742 | static int kwbimage_check_image_types(uint8_t type) |
aa0c7a86 PW |
1743 | { |
1744 | if (type == IH_TYPE_KWBIMAGE) | |
1745 | return EXIT_SUCCESS; | |
94490a4a MS |
1746 | |
1747 | return EXIT_FAILURE; | |
aa0c7a86 PW |
1748 | } |
1749 | ||
4acd2d24 SR |
1750 | static int kwbimage_verify_header(unsigned char *ptr, int image_size, |
1751 | struct image_tool_params *params) | |
1752 | { | |
fe2fd73d | 1753 | size_t header_size = kwbheader_size(ptr); |
700ea98b T |
1754 | uint8_t blockid; |
1755 | uint32_t offset; | |
1756 | uint32_t size; | |
fe2fd73d | 1757 | uint8_t csum; |
6cd5678c AG |
1758 | |
1759 | if (header_size > image_size) | |
1760 | return -FDT_ERR_BADSTRUCTURE; | |
4acd2d24 | 1761 | |
db7cd4ed | 1762 | if (!main_hdr_checksum_ok(ptr)) |
4acd2d24 SR |
1763 | return -FDT_ERR_BADSTRUCTURE; |
1764 | ||
1765 | /* Only version 0 extended header has checksum */ | |
acb0b38d | 1766 | if (kwbimage_version(ptr) == 0) { |
fe2c0e25 | 1767 | struct main_hdr_v0 *mhdr = (struct main_hdr_v0 *)ptr; |
e89016c4 | 1768 | |
fe2c0e25 | 1769 | if (mhdr->ext & 0x1) { |
fe2fd73d | 1770 | struct ext_hdr_v0 *ext_hdr = (void *)(mhdr + 1); |
33a0af2d | 1771 | |
fe2fd73d MB |
1772 | csum = image_checksum8(ext_hdr, sizeof(*ext_hdr) - 1); |
1773 | if (csum != ext_hdr->checksum) | |
fe2c0e25 T |
1774 | return -FDT_ERR_BADSTRUCTURE; |
1775 | } | |
700ea98b T |
1776 | |
1777 | blockid = mhdr->blockid; | |
1778 | offset = le32_to_cpu(mhdr->srcaddr); | |
1779 | size = le32_to_cpu(mhdr->blocksize); | |
acb0b38d | 1780 | } else if (kwbimage_version(ptr) == 1) { |
9380445f | 1781 | struct main_hdr_v1 *mhdr = (struct main_hdr_v1 *)ptr; |
732c930b MB |
1782 | const uint8_t *mhdr_end; |
1783 | struct opt_hdr_v1 *ohdr; | |
9380445f | 1784 | |
732c930b MB |
1785 | mhdr_end = (uint8_t *)mhdr + header_size; |
1786 | for_each_opt_hdr_v1 (ohdr, ptr) | |
1787 | if (!opt_hdr_v1_valid_size(ohdr, mhdr_end)) | |
1788 | return -FDT_ERR_BADSTRUCTURE; | |
e0c243c3 | 1789 | |
700ea98b | 1790 | blockid = mhdr->blockid; |
e0c243c3 | 1791 | offset = le32_to_cpu(mhdr->srcaddr); |
700ea98b T |
1792 | size = le32_to_cpu(mhdr->blocksize); |
1793 | } else { | |
1794 | return -FDT_ERR_BADSTRUCTURE; | |
1795 | } | |
e0c243c3 | 1796 | |
700ea98b T |
1797 | /* |
1798 | * For SATA srcaddr is specified in number of sectors. | |
1799 | * The main header is must be stored at sector number 1. | |
1800 | * This expects that sector size is 512 bytes and recalculates | |
1801 | * data offset to bytes relative to the main header. | |
1802 | */ | |
1803 | if (blockid == IBR_HDR_SATA_ID) { | |
1804 | if (offset < 1) | |
1805 | return -FDT_ERR_BADSTRUCTURE; | |
1806 | offset -= 1; | |
1807 | offset *= 512; | |
1808 | } | |
e0c243c3 | 1809 | |
700ea98b T |
1810 | /* |
1811 | * For SDIO srcaddr is specified in number of sectors. | |
1812 | * This expects that sector size is 512 bytes and recalculates | |
1813 | * data offset to bytes. | |
1814 | */ | |
1815 | if (blockid == IBR_HDR_SDIO_ID) | |
1816 | offset *= 512; | |
e0c243c3 | 1817 | |
700ea98b T |
1818 | /* |
1819 | * For PCIe srcaddr is always set to 0xFFFFFFFF. | |
1820 | * This expects that data starts after all headers. | |
1821 | */ | |
1822 | if (blockid == IBR_HDR_PEX_ID && offset == 0xFFFFFFFF) | |
1823 | offset = header_size; | |
e0c243c3 | 1824 | |
700ea98b T |
1825 | if (offset > image_size || offset % 4 != 0) |
1826 | return -FDT_ERR_BADSTRUCTURE; | |
e0c243c3 | 1827 | |
700ea98b T |
1828 | if (size < 4 || offset + size > image_size || size % 4 != 0) |
1829 | return -FDT_ERR_BADSTRUCTURE; | |
e0c243c3 | 1830 | |
700ea98b T |
1831 | if (image_checksum32(ptr + offset, size - 4) != |
1832 | *(uint32_t *)(ptr + offset + size - 4)) | |
b984056f | 1833 | return -FDT_ERR_BADSTRUCTURE; |
9380445f | 1834 | |
4acd2d24 SR |
1835 | return 0; |
1836 | } | |
1837 | ||
1838 | static int kwbimage_generate(struct image_tool_params *params, | |
1839 | struct image_type_params *tparams) | |
1840 | { | |
6cbf7eda | 1841 | FILE *fcfg; |
37cb9c15 | 1842 | struct stat s; |
4acd2d24 | 1843 | int alloc_len; |
c934aad0 | 1844 | int bootfrom; |
6cbf7eda | 1845 | int version; |
4acd2d24 | 1846 | void *hdr; |
6cbf7eda | 1847 | int ret; |
4acd2d24 | 1848 | |
6cbf7eda PW |
1849 | fcfg = fopen(params->imagename, "r"); |
1850 | if (!fcfg) { | |
1851 | fprintf(stderr, "Could not open input file %s\n", | |
1852 | params->imagename); | |
1853 | exit(EXIT_FAILURE); | |
1854 | } | |
1855 | ||
37cb9c15 T |
1856 | if (stat(params->datafile, &s)) { |
1857 | fprintf(stderr, "Could not stat data file %s: %s\n", | |
1858 | params->datafile, strerror(errno)); | |
1859 | exit(EXIT_FAILURE); | |
1860 | } | |
1861 | ||
6cbf7eda PW |
1862 | image_cfg = malloc(IMAGE_CFG_ELEMENT_MAX * |
1863 | sizeof(struct image_cfg_element)); | |
1864 | if (!image_cfg) { | |
1865 | fprintf(stderr, "Cannot allocate memory\n"); | |
1866 | fclose(fcfg); | |
1867 | exit(EXIT_FAILURE); | |
1868 | } | |
1869 | ||
1870 | memset(image_cfg, 0, | |
1871 | IMAGE_CFG_ELEMENT_MAX * sizeof(struct image_cfg_element)); | |
1872 | rewind(fcfg); | |
1873 | ||
1874 | ret = image_create_config_parse(fcfg); | |
1875 | fclose(fcfg); | |
1876 | if (ret) { | |
1877 | free(image_cfg); | |
1878 | exit(EXIT_FAILURE); | |
1879 | } | |
1880 | ||
c934aad0 | 1881 | bootfrom = image_get_bootfrom(); |
6cbf7eda PW |
1882 | version = image_get_version(); |
1883 | switch (version) { | |
1884 | /* | |
1885 | * Fallback to version 0 if no version is provided in the | |
1886 | * cfg file | |
1887 | */ | |
1888 | case -1: | |
1889 | case 0: | |
851114be | 1890 | alloc_len = image_headersz_v0(NULL); |
6cbf7eda PW |
1891 | break; |
1892 | ||
1893 | case 1: | |
e93cf53f | 1894 | alloc_len = image_headersz_v1(NULL); |
6cbf7eda PW |
1895 | break; |
1896 | ||
1897 | default: | |
1898 | fprintf(stderr, "Unsupported version %d\n", version); | |
1899 | free(image_cfg); | |
1900 | exit(EXIT_FAILURE); | |
4acd2d24 SR |
1901 | } |
1902 | ||
6cbf7eda PW |
1903 | free(image_cfg); |
1904 | ||
4acd2d24 SR |
1905 | hdr = malloc(alloc_len); |
1906 | if (!hdr) { | |
1907 | fprintf(stderr, "%s: malloc return failure: %s\n", | |
1908 | params->cmdname, strerror(errno)); | |
1909 | exit(EXIT_FAILURE); | |
1910 | } | |
1911 | ||
1912 | memset(hdr, 0, alloc_len); | |
1913 | tparams->header_size = alloc_len; | |
1914 | tparams->hdr = hdr; | |
1915 | ||
77720859 SR |
1916 | /* |
1917 | * The resulting image needs to be 4-byte aligned. At least | |
1918 | * the Marvell hdrparser tool complains if its unaligned. | |
37cb9c15 | 1919 | * After the image data is stored 4-byte checksum. |
188099ed | 1920 | * Final UART image must be aligned to 128 bytes. |
c934aad0 | 1921 | * Final SPI and NAND images must be aligned to 256 bytes. |
501a54a2 | 1922 | * Final SATA and SDIO images must be aligned to 512 bytes. |
77720859 | 1923 | */ |
c934aad0 T |
1924 | if (bootfrom == IBR_HDR_SPI_ID || bootfrom == IBR_HDR_NAND_ID) |
1925 | return 4 + (256 - (alloc_len + s.st_size + 4) % 256) % 256; | |
501a54a2 T |
1926 | else if (bootfrom == IBR_HDR_SATA_ID || bootfrom == IBR_HDR_SDIO_ID) |
1927 | return 4 + (512 - (alloc_len + s.st_size + 4) % 512) % 512; | |
188099ed T |
1928 | else if (bootfrom == IBR_HDR_UART_ID) |
1929 | return 4 + (128 - (alloc_len + s.st_size + 4) % 128) % 128; | |
c934aad0 T |
1930 | else |
1931 | return 4 + (4 - s.st_size % 4) % 4; | |
4acd2d24 SR |
1932 | } |
1933 | ||
aa6943ca T |
1934 | static int kwbimage_extract_subimage(void *ptr, struct image_tool_params *params) |
1935 | { | |
1936 | struct main_hdr_v1 *mhdr = (struct main_hdr_v1 *)ptr; | |
fe2fd73d | 1937 | size_t header_size = kwbheader_size(ptr); |
732c930b | 1938 | struct opt_hdr_v1 *ohdr; |
aa6943ca T |
1939 | int idx = params->pflag; |
1940 | int cur_idx = 0; | |
1941 | uint32_t offset; | |
1942 | ulong image; | |
1943 | ulong size; | |
1944 | ||
732c930b MB |
1945 | for_each_opt_hdr_v1 (ohdr, ptr) { |
1946 | if (ohdr->headertype != OPT_HDR_V1_BINARY_TYPE) | |
1947 | continue; | |
aa6943ca | 1948 | |
732c930b MB |
1949 | if (idx == cur_idx) { |
1950 | image = (ulong)&ohdr->data[4 + 4 * ohdr->data[0]]; | |
1951 | size = opt_hdr_v1_size(ohdr) - 12 - 4 * ohdr->data[0]; | |
1952 | goto extract; | |
aa6943ca | 1953 | } |
732c930b MB |
1954 | |
1955 | ++cur_idx; | |
aa6943ca T |
1956 | } |
1957 | ||
1958 | if (idx != cur_idx) { | |
1959 | printf("Image %d is not present\n", idx); | |
1960 | return -1; | |
1961 | } | |
1962 | ||
1963 | offset = le32_to_cpu(mhdr->srcaddr); | |
1964 | ||
1965 | if (mhdr->blockid == IBR_HDR_SATA_ID) { | |
1966 | offset -= 1; | |
1967 | offset *= 512; | |
1968 | } | |
1969 | ||
1970 | if (mhdr->blockid == IBR_HDR_SDIO_ID) | |
1971 | offset *= 512; | |
1972 | ||
1973 | if (mhdr->blockid == IBR_HDR_PEX_ID && offset == 0xFFFFFFFF) | |
1974 | offset = header_size; | |
1975 | ||
1976 | image = (ulong)((uint8_t *)ptr + offset); | |
1977 | size = le32_to_cpu(mhdr->blocksize) - 4; | |
1978 | ||
1979 | extract: | |
1980 | return imagetool_save_subimage(params->outfile, image, size); | |
1981 | } | |
1982 | ||
4acd2d24 SR |
1983 | /* |
1984 | * Report Error if xflag is set in addition to default | |
1985 | */ | |
1986 | static int kwbimage_check_params(struct image_tool_params *params) | |
1987 | { | |
aa6943ca | 1988 | if (!params->iflag && (!params->imagename || !strlen(params->imagename))) { |
94490a4a MS |
1989 | char *msg = "Configuration file for kwbimage creation omitted"; |
1990 | ||
1991 | fprintf(stderr, "Error:%s - %s\n", params->cmdname, msg); | |
56087c1b | 1992 | return 1; |
4acd2d24 SR |
1993 | } |
1994 | ||
1995 | return (params->dflag && (params->fflag || params->lflag)) || | |
1996 | (params->fflag && (params->dflag || params->lflag)) || | |
1997 | (params->lflag && (params->dflag || params->fflag)) || | |
aa6943ca | 1998 | (params->xflag); |
4acd2d24 SR |
1999 | } |
2000 | ||
aa0c7a86 PW |
2001 | /* |
2002 | * kwbimage type parameters definition | |
2003 | */ | |
a93648d1 GMF |
2004 | U_BOOT_IMAGE_TYPE( |
2005 | kwbimage, | |
2006 | "Marvell MVEBU Boot Image support", | |
2007 | 0, | |
2008 | NULL, | |
2009 | kwbimage_check_params, | |
2010 | kwbimage_verify_header, | |
2011 | kwbimage_print_header, | |
2012 | kwbimage_set_header, | |
aa6943ca | 2013 | kwbimage_extract_subimage, |
a93648d1 GMF |
2014 | kwbimage_check_image_types, |
2015 | NULL, | |
2016 | kwbimage_generate | |
2017 | ); |