1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2015 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
5 *
6 * (C) 2017 Theobroma Systems Design und Consulting GmbH
7 *
8 * Helper functions for Rockchip images
9 */
10
11 #include "imagetool.h"
12 #include <image.h>
13 #include <u-boot/sha256.h>
14 #include <rc4.h>
15 #include "mkimage.h"
16 #include "rkcommon.h"
17
18 enum {
19 RK_MAGIC = 0x0ff0aa55,
20 RK_MAGIC_V2 = 0x534E4B52,
21 };
22
23 enum {
24 RK_HEADER_V1 = 1,
25 RK_HEADER_V2 = 2,
26 };
27
28 enum hash_type {
29 HASH_NONE = 0,
30 HASH_SHA256 = 1,
31 HASH_SHA512 = 2,
32 };
33
34 /**
35 * struct image_entry
36 *
37 * @size_and_off: [31:16]image size;[15:0]image offset
38 * @address: default as 0xFFFFFFFF
39 * @flag: no use
40 * @counter: no use
41 * @hash: hash of image
42 *
43 */
44 struct image_entry {
45 uint32_t size_and_off;
46 uint32_t address;
47 uint32_t flag;
48 uint32_t counter;
49 uint8_t reserved[8];
50 uint8_t hash[64];
51 };
52
53 /**
54 * struct header0_info_v2 - v2 header block for rockchip BootRom
55 *
56 * This is stored at SD card block 64 (where each block is 512 bytes)
57 *
58 * @magic: Magic (must be RK_MAGIC_V2)
59 * @size_and_nimage: [31:16]number of images;[15:0]
60 * offset to hash field of header(unit as 4Byte)
61 * @boot_flag: [3:0]hash type(0:none,1:sha256,2:sha512)
62 * @signature: hash or signature for header info
63 *
64 */
65 struct header0_info_v2 {
66 uint32_t magic;
67 uint8_t reserved[4];
68 uint32_t size_and_nimage;
69 uint32_t boot_flag;
70 uint8_t reserved1[104];
71 struct image_entry images[4];
72 uint8_t reserved2[1064];
73 uint8_t hash[512];
74 };
75
76 /**
77 * struct header0_info - header block for boot ROM
78 *
79 * This is stored at SD card block 64 (where each block is 512 bytes, or at
80 * the start of SPI flash. It is encoded with RC4.
81 *
82 * @magic: Magic (must be RK_MAGIC)
83 * @disable_rc4: 0 to use rc4 for boot image, 1 to use plain binary
84 * @init_offset: Offset in blocks of the SPL code from this header
85 * block. E.g. 4 means 2KB after the start of this header.
86 * Other fields are not used by U-Boot
87 */
88 struct header0_info {
89 uint32_t magic;
90 uint8_t reserved[4];
91 uint32_t disable_rc4;
92 uint16_t init_offset;
93 uint8_t reserved1[492];
94 uint16_t init_size;
95 uint16_t init_boot_size;
96 uint8_t reserved2[2];
97 };
98
99 /**
100 * struct header1_info
101 */
102 struct header1_info {
103 uint32_t magic;
104 };
105
106 /**
107 * struct spl_info - spl info for each chip
108 *
109 * @imagename: Image name(passed by "mkimage -n")
110 * @spl_hdr: Boot ROM requires a 4-bytes spl header
111 * @spl_size: Spl size(include extra 4-bytes spl header)
112 * @spl_rc4: RC4 encode the SPL binary (same key as header)
113 * @header_ver: header block version
114 */
115 struct spl_info {
116 const char *imagename;
117 const char *spl_hdr;
118 const uint32_t spl_size;
119 const bool spl_rc4;
120 const uint32_t header_ver;
121 };
122
123 static struct spl_info spl_infos[] = {
124 { "px30", "RK33", 0x2800, false, RK_HEADER_V1 },
125 { "rk3036", "RK30", 0x1000, false, RK_HEADER_V1 },
126 { "rk3066", "RK30", 0x8000 - 0x800, true, RK_HEADER_V1 },
127 { "rk3128", "RK31", 0x1800, false, RK_HEADER_V1 },
128 { "rk3188", "RK31", 0x8000 - 0x800, true, RK_HEADER_V1 },
129 { "rk322x", "RK32", 0x8000 - 0x1000, false, RK_HEADER_V1 },
130 { "rk3288", "RK32", 0x8000, false, RK_HEADER_V1 },
131 { "rk3308", "RK33", 0x40000 - 0x1000, false, RK_HEADER_V1 },
132 { "rk3328", "RK32", 0x8000 - 0x800, false, RK_HEADER_V1 },
133 { "rk3368", "RK33", 0x8000 - 0x1000, false, RK_HEADER_V1 },
134 { "rk3399", "RK33", 0x30000 - 0x2000, false, RK_HEADER_V1 },
135 { "rv1108", "RK11", 0x1800, false, RK_HEADER_V1 },
136 { "rv1126", "110B", 0x10000 - 0x1000, false, RK_HEADER_V1 },
137 { "rk3528", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 },
138 { "rk3568", "RK35", 0x10000 - 0x1000, false, RK_HEADER_V2 },
139 { "rk3576", "RK35", 0x80000 - 0x1000, false, RK_HEADER_V2 },
140 { "rk3588", "RK35", 0x100000 - 0x1000, false, RK_HEADER_V2 },
141 };
142
143 /**
144 * struct spl_params - spl params parsed in check_params()
145 *
146 * @init_file: Init data file path
147 * @init_size: Aligned size of init data in bytes
148 * @boot_file: Boot data file path
149 * @boot_size: Aligned size of boot data in bytes
150 */
151
152 struct spl_params {
153 char *init_file;
154 uint32_t init_size;
155 char *boot_file;
156 uint32_t boot_size;
157 };
158
159 static struct spl_params spl_params = { 0 };
160
161 static const unsigned char rc4_key[16] = {
162 124, 78, 3, 4, 85, 5, 9, 7,
163 45, 44, 123, 56, 23, 13, 23, 17
164 };
165
rkcommon_get_spl_info(char * imagename)166 static struct spl_info *rkcommon_get_spl_info(char *imagename)
167 {
168 int i;
169
170 if (!imagename)
171 return NULL;
172
173 for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
174 if (!strncmp(imagename, spl_infos[i].imagename, 6))
175 return spl_infos + i;
176
177 return NULL;
178 }
179
rkcommon_get_aligned_size(struct image_tool_params * params,const char * fname)180 static int rkcommon_get_aligned_size(struct image_tool_params *params,
181 const char *fname)
182 {
183 int size;
184
185 size = imagetool_get_filesize(params, fname);
186 if (size < 0)
187 return -1;
188
189 /*
190 * Pad to a 2KB alignment, as required for init/boot size by the ROM
191 * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html)
192 */
193 return ROUND(size, RK_SIZE_ALIGN);
194 }
195
rkcommon_check_params(struct image_tool_params * params)196 int rkcommon_check_params(struct image_tool_params *params)
197 {
198 int i, size;
199
200 /*
201 * If this is a operation (list or extract), the don't require
202 * imagename to be set.
203 */
204 if (params->lflag || params->iflag)
205 return EXIT_SUCCESS;
206
207 if (!rkcommon_get_spl_info(params->imagename))
208 goto err_spl_info;
209
210 spl_params.init_file = params->datafile;
211
212 spl_params.boot_file = strchr(spl_params.init_file, ':');
213 if (spl_params.boot_file) {
214 *spl_params.boot_file = '\0';
215 spl_params.boot_file += 1;
216 }
217
218 size = rkcommon_get_aligned_size(params, spl_params.init_file);
219 if (size < 0)
220 return EXIT_FAILURE;
221 spl_params.init_size = size;
222
223 /* Boot file is optional, and only for back-to-bootrom functionality. */
224 if (spl_params.boot_file) {
225 size = rkcommon_get_aligned_size(params, spl_params.boot_file);
226 if (size < 0)
227 return EXIT_FAILURE;
228 spl_params.boot_size = size;
229 }
230
231 if (spl_params.init_size > rkcommon_get_spl_size(params)) {
232 fprintf(stderr,
233 "Error: SPL image is too large (size %#x than %#x)\n",
234 spl_params.init_size, rkcommon_get_spl_size(params));
235 return EXIT_FAILURE;
236 }
237
238 return EXIT_SUCCESS;
239
240 err_spl_info:
241 fprintf(stderr, "ERROR: imagename (%s) is not supported!\n",
242 params->imagename ? params->imagename : "NULL");
243
244 fprintf(stderr, "Available imagename:");
245 for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
246 fprintf(stderr, "\t%s", spl_infos[i].imagename);
247 fprintf(stderr, "\n");
248
249 return EXIT_FAILURE;
250 }
251
rkcommon_get_spl_hdr(struct image_tool_params * params)252 const char *rkcommon_get_spl_hdr(struct image_tool_params *params)
253 {
254 struct spl_info *info = rkcommon_get_spl_info(params->imagename);
255
256 /*
257 * info would not be NULL, because of we checked params before.
258 */
259 return info->spl_hdr;
260 }
261
rkcommon_get_spl_size(struct image_tool_params * params)262 int rkcommon_get_spl_size(struct image_tool_params *params)
263 {
264 struct spl_info *info = rkcommon_get_spl_info(params->imagename);
265
266 /*
267 * info would not be NULL, because of we checked params before.
268 */
269 return info->spl_size;
270 }
271
rkcommon_need_rc4_spl(struct image_tool_params * params)272 bool rkcommon_need_rc4_spl(struct image_tool_params *params)
273 {
274 struct spl_info *info = rkcommon_get_spl_info(params->imagename);
275
276 /*
277 * info would not be NULL, because of we checked params before.
278 */
279 return info->spl_rc4;
280 }
281
rkcommon_is_header_v2(struct image_tool_params * params)282 bool rkcommon_is_header_v2(struct image_tool_params *params)
283 {
284 struct spl_info *info = rkcommon_get_spl_info(params->imagename);
285
286 return (info->header_ver == RK_HEADER_V2);
287 }
288
do_sha256_hash(uint8_t * buf,uint32_t size,uint8_t * out)289 static void do_sha256_hash(uint8_t *buf, uint32_t size, uint8_t *out)
290 {
291 sha256_context ctx;
292
293 sha256_starts(&ctx);
294 sha256_update(&ctx, buf, size);
295 sha256_finish(&ctx, out);
296 }
297
rkcommon_set_header0(void * buf,struct image_tool_params * params)298 static void rkcommon_set_header0(void *buf, struct image_tool_params *params)
299 {
300 struct header0_info *hdr = buf;
301 uint32_t init_boot_size;
302
303 memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
304 hdr->magic = cpu_to_le32(RK_MAGIC);
305 hdr->disable_rc4 = cpu_to_le32(!rkcommon_need_rc4_spl(params));
306 hdr->init_offset = cpu_to_le16(RK_INIT_OFFSET);
307 hdr->init_size = cpu_to_le16(spl_params.init_size / RK_BLK_SIZE);
308
309 /*
310 * init_boot_size needs to be set, as it is read by the BootROM
311 * to determine the size of the next-stage bootloader (e.g. U-Boot
312 * proper), when used with the back-to-bootrom functionality.
313 *
314 * see https://lists.denx.de/pipermail/u-boot/2017-May/293267.html
315 * for a more detailed explanation by Andy Yan
316 */
317 if (spl_params.boot_file)
318 init_boot_size = spl_params.init_size + spl_params.boot_size;
319 else
320 init_boot_size = spl_params.init_size + RK_MAX_BOOT_SIZE;
321 hdr->init_boot_size = cpu_to_le16(init_boot_size / RK_BLK_SIZE);
322
323 rc4_encode(buf, RK_BLK_SIZE, rc4_key);
324 }
325
rkcommon_set_header0_v2(void * buf,struct image_tool_params * params)326 static void rkcommon_set_header0_v2(void *buf, struct image_tool_params *params)
327 {
328 struct header0_info_v2 *hdr = buf;
329 uint32_t sector_offset, image_sector_count;
330 uint32_t image_size_array[2];
331 uint8_t *image_ptr = NULL;
332 int i;
333
334 printf("Image Type: Rockchip %s boot image\n",
335 rkcommon_get_spl_hdr(params));
336 memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
337 hdr->magic = cpu_to_le32(RK_MAGIC_V2);
338 hdr->size_and_nimage = cpu_to_le32((2 << 16) + 384);
339 hdr->boot_flag = cpu_to_le32(HASH_SHA256);
340 sector_offset = 4;
341 image_size_array[0] = spl_params.init_size;
342 image_size_array[1] = spl_params.boot_size;
343
344 for (i = 0; i < 2; i++) {
345 image_sector_count = image_size_array[i] / RK_BLK_SIZE;
346 hdr->images[i].size_and_off = cpu_to_le32((image_sector_count
347 << 16) + sector_offset);
348 hdr->images[i].address = 0xFFFFFFFF;
349 hdr->images[i].counter = cpu_to_le32(i + 1);
350 image_ptr = buf + sector_offset * RK_BLK_SIZE;
351 do_sha256_hash(image_ptr, image_size_array[i],
352 hdr->images[i].hash);
353 sector_offset = sector_offset + image_sector_count;
354 }
355
356 do_sha256_hash(buf, (void *)hdr->hash - buf, hdr->hash);
357 }
358
rkcommon_set_header(void * buf,struct stat * sbuf,int ifd,struct image_tool_params * params)359 void rkcommon_set_header(void *buf, struct stat *sbuf, int ifd,
360 struct image_tool_params *params)
361 {
362 struct header1_info *hdr = buf + RK_SPL_HDR_START;
363
364 if (rkcommon_is_header_v2(params)) {
365 rkcommon_set_header0_v2(buf, params);
366 } else {
367 rkcommon_set_header0(buf, params);
368
369 /* Set up the SPL name (i.e. copy spl_hdr over) */
370 if (memcmp(&hdr->magic, "RSAK", 4))
371 memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);
372
373 if (rkcommon_need_rc4_spl(params))
374 rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START,
375 spl_params.init_size);
376
377 if (spl_params.boot_file) {
378 if (rkcommon_need_rc4_spl(params))
379 rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START,
380 spl_params.init_size,
381 spl_params.boot_size);
382 }
383 }
384 }
385
rkcommon_offset_to_spi(unsigned int offset)386 static inline unsigned int rkcommon_offset_to_spi(unsigned int offset)
387 {
388 /*
389 * While SD/MMC images use a flat addressing, SPI images are padded
390 * to use the first 2K of every 4K sector only.
391 */
392 return ((offset & ~0x7ff) << 1) + (offset & 0x7ff);
393 }
394
rkcommon_parse_header(const void * buf,struct header0_info * header0,struct spl_info ** spl_info)395 static int rkcommon_parse_header(const void *buf, struct header0_info *header0,
396 struct spl_info **spl_info)
397 {
398 unsigned int hdr1_offset;
399 struct header1_info *hdr1_sdmmc, *hdr1_spi;
400 int i;
401
402 if (spl_info)
403 *spl_info = NULL;
404
405 /*
406 * The first header (hdr0) is always RC4 encoded, so try to decrypt
407 * with the well-known key.
408 */
409 memcpy((void *)header0, buf, sizeof(struct header0_info));
410 rc4_encode((void *)header0, sizeof(struct header0_info), rc4_key);
411
412 if (le32_to_cpu(header0->magic) != RK_MAGIC)
413 return -EPROTO;
414
415 /* We don't support RC4 encoded image payloads here, yet... */
416 if (le32_to_cpu(header0->disable_rc4) == 0)
417 return -ENOSYS;
418
419 hdr1_offset = le16_to_cpu(header0->init_offset) * RK_BLK_SIZE;
420 hdr1_sdmmc = (struct header1_info *)(buf + hdr1_offset);
421 hdr1_spi = (struct header1_info *)(buf +
422 rkcommon_offset_to_spi(hdr1_offset));
423
424 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) {
425 if (!memcmp(&hdr1_sdmmc->magic, spl_infos[i].spl_hdr,
426 RK_SPL_HDR_SIZE)) {
427 if (spl_info)
428 *spl_info = &spl_infos[i];
429 return IH_TYPE_RKSD;
430 } else if (!memcmp(&hdr1_spi->magic, spl_infos[i].spl_hdr,
431 RK_SPL_HDR_SIZE)) {
432 if (spl_info)
433 *spl_info = &spl_infos[i];
434 return IH_TYPE_RKSPI;
435 }
436 }
437
438 return -1;
439 }
440
rkcommon_parse_header_v2(const void * buf,struct header0_info_v2 * header)441 static int rkcommon_parse_header_v2(const void *buf, struct header0_info_v2 *header)
442 {
443 memcpy((void *)header, buf, sizeof(struct header0_info_v2));
444
445 if (le32_to_cpu(header->magic) != RK_MAGIC_V2)
446 return -EPROTO;
447
448 return 0;
449 }
450
rkcommon_verify_header(unsigned char * buf,int size,struct image_tool_params * params)451 int rkcommon_verify_header(unsigned char *buf, int size,
452 struct image_tool_params *params)
453 {
454 struct header0_info header0;
455 struct spl_info *img_spl_info, *spl_info;
456 int ret;
457
458 /* spl_hdr is abandon on header_v2 */
459 if ((*(uint32_t *)buf) == RK_MAGIC_V2)
460 return 0;
461
462 ret = rkcommon_parse_header(buf, &header0, &img_spl_info);
463
464 /* If this is the (unimplemented) RC4 case, then rewrite the result */
465 if (ret == -ENOSYS)
466 return 0;
467
468 if (ret < 0)
469 return ret;
470
471 /*
472 * If no 'imagename' is specified via the commandline (e.g. if this is
473 * 'dumpimage -l' w/o any further constraints), we accept any spl_info.
474 */
475 if (params->imagename == NULL || !strlen(params->imagename))
476 return 0;
477
478 /* Match the 'imagename' against the 'spl_hdr' found */
479 spl_info = rkcommon_get_spl_info(params->imagename);
480 if (spl_info && img_spl_info)
481 return strcmp(spl_info->spl_hdr, img_spl_info->spl_hdr);
482
483 return -ENOENT;
484 }
485
rkcommon_print_header(const void * buf,struct image_tool_params * params)486 void rkcommon_print_header(const void *buf, struct image_tool_params *params)
487 {
488 struct header0_info header0;
489 struct header0_info_v2 header0_v2;
490 struct spl_info *spl_info;
491 uint8_t image_type;
492 int ret, boot_size, init_size;
493
494 if ((*(uint32_t *)buf) == RK_MAGIC_V2) {
495 ret = rkcommon_parse_header_v2(buf, &header0_v2);
496
497 if (ret < 0) {
498 fprintf(stderr, "Error: image verification failed\n");
499 return;
500 }
501
502 init_size = header0_v2.images[0].size_and_off >> 16;
503 init_size = init_size * RK_BLK_SIZE;
504 boot_size = header0_v2.images[1].size_and_off >> 16;
505 boot_size = boot_size * RK_BLK_SIZE;
506 } else {
507 ret = rkcommon_parse_header(buf, &header0, &spl_info);
508
509 /* If this is the (unimplemented) RC4 case, then fail silently */
510 if (ret == -ENOSYS)
511 return;
512
513 if (ret < 0) {
514 fprintf(stderr, "Error: image verification failed\n");
515 return;
516 }
517
518 image_type = ret;
519 init_size = header0.init_size * RK_BLK_SIZE;
520 boot_size = header0.init_boot_size * RK_BLK_SIZE - init_size;
521
522 printf("Image Type: Rockchip %s (%s) boot image\n",
523 spl_info->spl_hdr,
524 (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI");
525 }
526
527 printf("Init Data Size: %d bytes\n", init_size);
528
529 if (boot_size != RK_MAX_BOOT_SIZE)
530 printf("Boot Data Size: %d bytes\n", boot_size);
531 }
532
rkcommon_rc4_encode_spl(void * buf,unsigned int offset,unsigned int size)533 void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size)
534 {
535 unsigned int remaining = size;
536
537 while (remaining > 0) {
538 int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining;
539
540 rc4_encode(buf + offset, step, rc4_key);
541 offset += RK_BLK_SIZE;
542 remaining -= step;
543 }
544 }
545
rkcommon_vrec_header(struct image_tool_params * params,struct image_type_params * tparams)546 int rkcommon_vrec_header(struct image_tool_params *params,
547 struct image_type_params *tparams)
548 {
549 /*
550 * The SPL image looks as follows:
551 *
552 * 0x0 header0 (see rkcommon.c)
553 * 0x800 spl_name ('RK30', ..., 'RK33')
554 * (start of the payload for AArch64 payloads: we expect the
555 * first 4 bytes to be available for overwriting with our
556 * spl_name)
557 * 0x804 first instruction to be executed
558 * (start of the image/payload for 32bit payloads)
559 *
560 * For AArch64 (ARMv8) payloads, natural alignment (8-bytes) is
561 * required for its sections (so the image we receive needs to
562 * have the first 4 bytes reserved for the spl_name). Reserving
563 * these 4 bytes is done using the BOOT0_HOOK infrastructure.
564 *
565 * The header is always at 0x800 (as we now use a payload
566 * prepadded using the boot0 hook for all targets): the first
567 * 4 bytes of these images can safely be overwritten using the
568 * boot magic.
569 */
570 tparams->header_size = RK_SPL_HDR_START;
571
572 /* Allocate, clear and install the header */
573 tparams->hdr = malloc(tparams->header_size);
574 if (!tparams->hdr) {
575 fprintf(stderr, "%s: Can't alloc header: %s\n",
576 params->cmdname, strerror(errno));
577 exit(EXIT_FAILURE);
578 }
579 memset(tparams->hdr, 0, tparams->header_size);
580
581 /*
582 * We need to store the original file-size (i.e. before padding), as
583 * imagetool does not set this during its adjustment of file_size.
584 */
585 params->orig_file_size = tparams->header_size +
586 spl_params.init_size + spl_params.boot_size;
587
588 params->file_size = ROUND(params->orig_file_size, RK_SIZE_ALIGN);
589
590 /* Ignoring pad len, since we are using our own copy_image() */
591 return 0;
592 }
593
pad_file(struct image_tool_params * params,int ifd,int pad)594 static int pad_file(struct image_tool_params *params, int ifd, int pad)
595 {
596 uint8_t zeros[4096];
597
598 memset(zeros, 0, sizeof(zeros));
599
600 while (pad > 0) {
601 int todo = sizeof(zeros);
602
603 if (todo > pad)
604 todo = pad;
605 if (write(ifd, (char *)&zeros, todo) != todo) {
606 fprintf(stderr, "%s: Write error on %s: %s\n",
607 params->cmdname, params->imagefile,
608 strerror(errno));
609 return -1;
610 }
611 pad -= todo;
612 }
613
614 return 0;
615 }
616
copy_file(struct image_tool_params * params,int ifd,const char * file,int padded_size)617 static int copy_file(struct image_tool_params *params, int ifd,
618 const char *file, int padded_size)
619 {
620 int dfd;
621 struct stat sbuf;
622 unsigned char *ptr;
623 int size;
624
625 if (params->vflag)
626 fprintf(stderr, "Adding Image %s\n", file);
627
628 dfd = open(file, O_RDONLY | O_BINARY);
629 if (dfd < 0) {
630 fprintf(stderr, "%s: Can't open %s: %s\n",
631 params->cmdname, file, strerror(errno));
632 return -1;
633 }
634
635 if (fstat(dfd, &sbuf) < 0) {
636 fprintf(stderr, "%s: Can't stat %s: %s\n",
637 params->cmdname, file, strerror(errno));
638 goto err_close;
639 }
640
641 if (params->vflag)
642 fprintf(stderr, "Size %u(pad to %u)\n",
643 (int)sbuf.st_size, padded_size);
644
645 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
646 if (ptr == MAP_FAILED) {
647 fprintf(stderr, "%s: Can't read %s: %s\n",
648 params->cmdname, file, strerror(errno));
649 goto err_munmap;
650 }
651
652 size = sbuf.st_size;
653 if (write(ifd, ptr, size) != size) {
654 fprintf(stderr, "%s: Write error on %s: %s\n",
655 params->cmdname, params->imagefile, strerror(errno));
656 goto err_munmap;
657 }
658
659 munmap((void *)ptr, sbuf.st_size);
660 close(dfd);
661 return pad_file(params, ifd, padded_size - size);
662
663 err_munmap:
664 munmap((void *)ptr, sbuf.st_size);
665 err_close:
666 close(dfd);
667 return -1;
668 }
669
rockchip_copy_image(int ifd,struct image_tool_params * params)670 int rockchip_copy_image(int ifd, struct image_tool_params *params)
671 {
672 int ret;
673
674 ret = copy_file(params, ifd, spl_params.init_file,
675 spl_params.init_size);
676 if (ret)
677 return ret;
678
679 if (spl_params.boot_file) {
680 ret = copy_file(params, ifd, spl_params.boot_file,
681 spl_params.boot_size);
682 if (ret)
683 return ret;
684 }
685
686 return pad_file(params, ifd,
687 params->file_size - params->orig_file_size);
688 }
689