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