aboutsummaryrefslogtreecommitdiff
path: root/tools/rkcommon.c
blob: 0db45c2d41cb8e0f17d855c581ed8cfd325da1e8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2015 Google,  Inc
 * Written by Simon Glass <sjg@chromium.org>
 *
 * (C) 2017 Theobroma Systems Design und Consulting GmbH
 *
 * Helper functions for Rockchip images
 */

#include "imagetool.h"
#include <image.h>
#include <u-boot/sha256.h>
#include <rc4.h>
#include "mkimage.h"
#include "rkcommon.h"

enum {
	RK_MAGIC		= 0x0ff0aa55,
	RK_MAGIC_V2		= 0x534E4B52,
};

enum {
	RK_HEADER_V1	= 1,
	RK_HEADER_V2	= 2,
};

enum hash_type {
	HASH_NONE	= 0,
	HASH_SHA256	= 1,
	HASH_SHA512	= 2,
};

/**
 * struct image_entry
 *
 * @size_and_off:	[31:16]image size;[15:0]image offset
 * @address:	default as 0xFFFFFFFF
 * @flag:	no use
 * @counter:	no use
 * @hash:	hash of image
 *
 */
struct image_entry {
	uint32_t size_and_off;
	uint32_t address;
	uint32_t flag;
	uint32_t counter;
	uint8_t reserved[8];
	uint8_t hash[64];
};

/**
 * struct header0_info_v2 - v2 header block for rockchip BootRom
 *
 * This is stored at SD card block 64 (where each block is 512 bytes)
 *
 * @magic:	Magic (must be RK_MAGIC_V2)
 * @size_and_nimage:	[31:16]number of images;[15:0]
 *			offset to hash field of header(unit as 4Byte)
 * @boot_flag:	[3:0]hash type(0:none,1:sha256,2:sha512)
 * @signature:	hash or signature for header info
 *
 */
struct header0_info_v2 {
	uint32_t magic;
	uint8_t reserved[4];
	uint32_t size_and_nimage;
	uint32_t boot_flag;
	uint8_t reserved1[104];
	struct image_entry images[4];
	uint8_t reserved2[1064];
	uint8_t hash[512];
};

/**
 * struct header0_info - header block for boot ROM
 *
 * This is stored at SD card block 64 (where each block is 512 bytes, or at
 * the start of SPI flash. It is encoded with RC4.
 *
 * @magic:		Magic (must be RK_MAGIC)
 * @disable_rc4:	0 to use rc4 for boot image,  1 to use plain binary
 * @init_offset:	Offset in blocks of the SPL code from this header
 *			block. E.g. 4 means 2KB after the start of this header.
 * Other fields are not used by U-Boot
 */
struct header0_info {
	uint32_t magic;
	uint8_t reserved[4];
	uint32_t disable_rc4;
	uint16_t init_offset;
	uint8_t reserved1[492];
	uint16_t init_size;
	uint16_t init_boot_size;
	uint8_t reserved2[2];
};

/**
 * struct header1_info
 */
struct header1_info {
	uint32_t magic;
};

/**
 * struct spl_info - spl info for each chip
 *
 * @imagename:		Image name(passed by "mkimage -n")
 * @spl_hdr:		Boot ROM requires a 4-bytes spl header
 * @spl_size:		Spl size(include extra 4-bytes spl header)
 * @spl_rc4:		RC4 encode the SPL binary (same key as header)
 * @header_ver:		header block version
 */
struct spl_info {
	const char *imagename;
	const char *spl_hdr;
	const uint32_t spl_size;
	const bool spl_rc4;
	const uint32_t header_ver;
};

static struct spl_info spl_infos[] = {
	{ "px30", "RK33", 0x2800, false, RK_HEADER_V1 },
	{ "rk3036", "RK30", 0x1000, false, RK_HEADER_V1 },
	{ "rk3066", "RK30", 0x8000 - 0x800, true, RK_HEADER_V1 },
	{ "rk3128", "RK31", 0x1800, false, RK_HEADER_V1 },
	{ "rk3188", "RK31", 0x8000 - 0x800, true, RK_HEADER_V1 },
	{ "rk322x", "RK32", 0x8000 - 0x1000, false, RK_HEADER_V1 },
	{ "rk3288", "RK32", 0x8000, false, RK_HEADER_V1 },
	{ "rk3308", "RK33", 0x40000 - 0x1000, false, RK_HEADER_V1 },
	{ "rk3328", "RK32", 0x8000 - 0x1000, false, RK_HEADER_V1 },
	{ "rk3368", "RK33", 0x8000 - 0x1000, false, RK_HEADER_V1 },
	{ "rk3399", "RK33", 0x30000 - 0x2000, false, RK_HEADER_V1 },
	{ "rv1108", "RK11", 0x1800, false, RK_HEADER_V1 },
	{ "rk3568", "RK35", 0x14000 - 0x1000, false, RK_HEADER_V2 },
};

/**
 * struct spl_params - spl params parsed in check_params()
 *
 * @init_file:		Init data file path
 * @init_size:		Aligned size of init data in bytes
 * @boot_file:		Boot data file path
 * @boot_size:		Aligned size of boot data in bytes
 */

struct spl_params {
	char *init_file;
	uint32_t init_size;
	char *boot_file;
	uint32_t boot_size;
};

static struct spl_params spl_params = { 0 };

static unsigned char rc4_key[16] = {
	124, 78, 3, 4, 85, 5, 9, 7,
	45, 44, 123, 56, 23, 13, 23, 17
};

static struct spl_info *rkcommon_get_spl_info(char *imagename)
{
	int i;

	if (!imagename)
		return NULL;

	for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
		if (!strncmp(imagename, spl_infos[i].imagename, 6))
			return spl_infos + i;

	return NULL;
}

static int rkcommon_get_aligned_size(struct image_tool_params *params,
				     const char *fname)
{
	int size;

	size = imagetool_get_filesize(params, fname);
	if (size < 0)
		return -1;

	/*
	 * Pad to a 2KB alignment, as required for init/boot size by the ROM
	 * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html)
	 */
	return ROUND(size, RK_SIZE_ALIGN);
}

int rkcommon_check_params(struct image_tool_params *params)
{
	int i, size;

	/*
	 * If this is a operation (list or extract), the don't require
	 * imagename to be set.
	 */
	if (params->lflag || params->iflag)
		return EXIT_SUCCESS;

	if (!rkcommon_get_spl_info(params->imagename))
		goto err_spl_info;

	spl_params.init_file = params->datafile;

	spl_params.boot_file = strchr(spl_params.init_file, ':');
	if (spl_params.boot_file) {
		*spl_params.boot_file = '\0';
		spl_params.boot_file += 1;
	}

	size = rkcommon_get_aligned_size(params, spl_params.init_file);
	if (size < 0)
		return EXIT_FAILURE;
	spl_params.init_size = size;

	/* Boot file is optional, and only for back-to-bootrom functionality. */
	if (spl_params.boot_file) {
		size = rkcommon_get_aligned_size(params, spl_params.boot_file);
		if (size < 0)
			return EXIT_FAILURE;
		spl_params.boot_size = size;
	}

	if (spl_params.init_size > rkcommon_get_spl_size(params)) {
		fprintf(stderr,
			"Error: SPL image is too large (size %#x than %#x)\n",
			spl_params.init_size, rkcommon_get_spl_size(params));
		return EXIT_FAILURE;
	}

	return EXIT_SUCCESS;

err_spl_info:
	fprintf(stderr, "ERROR: imagename (%s) is not supported!\n",
		params->imagename ? params->imagename : "NULL");

	fprintf(stderr, "Available imagename:");
	for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
		fprintf(stderr, "\t%s", spl_infos[i].imagename);
	fprintf(stderr, "\n");

	return EXIT_FAILURE;
}

const char *rkcommon_get_spl_hdr(struct image_tool_params *params)
{
	struct spl_info *info = rkcommon_get_spl_info(params->imagename);

	/*
	 * info would not be NULL, because of we checked params before.
	 */
	return info->spl_hdr;
}

int rkcommon_get_spl_size(struct image_tool_params *params)
{
	struct spl_info *info = rkcommon_get_spl_info(params->imagename);

	/*
	 * info would not be NULL, because of we checked params before.
	 */
	return info->spl_size;
}

bool rkcommon_need_rc4_spl(struct image_tool_params *params)
{
	struct spl_info *info = rkcommon_get_spl_info(params->imagename);

	/*
	 * info would not be NULL, because of we checked params before.
	 */
	return info->spl_rc4;
}

bool rkcommon_is_header_v2(struct image_tool_params *params)
{
	struct spl_info *info = rkcommon_get_spl_info(params->imagename);

	return (info->header_ver == RK_HEADER_V2);
}

static void do_sha256_hash(uint8_t *buf, uint32_t size, uint8_t *out)
{
	sha256_context ctx;

	sha256_starts(&ctx);
	sha256_update(&ctx, buf, size);
	sha256_finish(&ctx, out);
}

static void rkcommon_set_header0(void *buf, struct image_tool_params *params)
{
	struct header0_info *hdr = buf;
	uint32_t init_boot_size;

	memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
	hdr->magic = cpu_to_le32(RK_MAGIC);
	hdr->disable_rc4 = cpu_to_le32(!rkcommon_need_rc4_spl(params));
	hdr->init_offset = cpu_to_le16(RK_INIT_OFFSET);
	hdr->init_size   = cpu_to_le16(spl_params.init_size / RK_BLK_SIZE);

	/*
	 * init_boot_size needs to be set, as it is read by the BootROM
	 * to determine the size of the next-stage bootloader (e.g. U-Boot
	 * proper), when used with the back-to-bootrom functionality.
	 *
	 * see https://lists.denx.de/pipermail/u-boot/2017-May/293267.html
	 * for a more detailed explanation by Andy Yan
	 */
	if (spl_params.boot_file)
		init_boot_size = spl_params.init_size + spl_params.boot_size;
	else
		init_boot_size = spl_params.init_size + RK_MAX_BOOT_SIZE;
	hdr->init_boot_size = cpu_to_le16(init_boot_size / RK_BLK_SIZE);

	rc4_encode(buf, RK_BLK_SIZE, rc4_key);
}

static void rkcommon_set_header0_v2(void *buf, struct image_tool_params *params)
{
	struct header0_info_v2 *hdr = buf;
	uint32_t sector_offset, image_sector_count;
	uint32_t image_size_array[2];
	uint8_t *image_ptr = NULL;
	int i;

	printf("Image Type:   Rockchip %s boot image\n",
		rkcommon_get_spl_hdr(params));
	memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
	hdr->magic   = cpu_to_le32(RK_MAGIC_V2);
	hdr->size_and_nimage = cpu_to_le32((2 << 16) + 384);
	hdr->boot_flag = cpu_to_le32(HASH_SHA256);
	sector_offset = 4;
	image_size_array[0] = spl_params.init_size;
	image_size_array[1] = spl_params.boot_size;

	for (i = 0; i < 2; i++) {
		image_sector_count = image_size_array[i] / RK_BLK_SIZE;
		hdr->images[i].size_and_off = cpu_to_le32((image_sector_count
							<< 16) + sector_offset);
		hdr->images[i].address = 0xFFFFFFFF;
		hdr->images[i].counter = cpu_to_le32(i + 1);
		image_ptr = buf + sector_offset * RK_BLK_SIZE;
		do_sha256_hash(image_ptr, image_size_array[i],
			       hdr->images[i].hash);
		sector_offset = sector_offset + image_sector_count;
	}

	do_sha256_hash(buf, (void *)hdr->hash - buf, hdr->hash);
}

void rkcommon_set_header(void *buf,  struct stat *sbuf,  int ifd,
			 struct image_tool_params *params)
{
	struct header1_info *hdr = buf + RK_SPL_HDR_START;

	if (rkcommon_is_header_v2(params)) {
		rkcommon_set_header0_v2(buf, params);
	} else {
		rkcommon_set_header0(buf, params);

		/* Set up the SPL name (i.e. copy spl_hdr over) */
		if (memcmp(&hdr->magic, "RSAK", 4))
			memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);

		if (rkcommon_need_rc4_spl(params))
			rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START,
						spl_params.init_size);

		if (spl_params.boot_file) {
			if (rkcommon_need_rc4_spl(params))
				rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START,
							spl_params.init_size,
							spl_params.boot_size);
		}
	}
}

static inline unsigned int rkcommon_offset_to_spi(unsigned int offset)
{
	/*
	 * While SD/MMC images use a flat addressing, SPI images are padded
	 * to use the first 2K of every 4K sector only.
	 */
	return ((offset & ~0x7ff) << 1) + (offset & 0x7ff);
}

static int rkcommon_parse_header(const void *buf, struct header0_info *header0,
				 struct spl_info **spl_info)
{
	unsigned int hdr1_offset;
	struct header1_info *hdr1_sdmmc, *hdr1_spi;
	int i;

	if (spl_info)
		*spl_info = NULL;

	/*
	 * The first header (hdr0) is always RC4 encoded, so try to decrypt
	 * with the well-known key.
	 */
	memcpy((void *)header0, buf, sizeof(struct header0_info));
	rc4_encode((void *)header0, sizeof(struct header0_info), rc4_key);

	if (le32_to_cpu(header0->magic) != RK_MAGIC)
		return -EPROTO;

	/* We don't support RC4 encoded image payloads here, yet... */
	if (le32_to_cpu(header0->disable_rc4) == 0)
		return -ENOSYS;

	hdr1_offset = le16_to_cpu(header0->init_offset) * RK_BLK_SIZE;
	hdr1_sdmmc = (struct header1_info *)(buf + hdr1_offset);
	hdr1_spi = (struct header1_info *)(buf +
					   rkcommon_offset_to_spi(hdr1_offset));

	for (i = 0; i < ARRAY_SIZE(spl_infos); i++) {
		if (!memcmp(&hdr1_sdmmc->magic, spl_infos[i].spl_hdr,
			    RK_SPL_HDR_SIZE)) {
			if (spl_info)
				*spl_info = &spl_infos[i];
			return IH_TYPE_RKSD;
		} else if (!memcmp(&hdr1_spi->magic, spl_infos[i].spl_hdr,
				   RK_SPL_HDR_SIZE)) {
			if (spl_info)
				*spl_info = &spl_infos[i];
			return IH_TYPE_RKSPI;
		}
	}

	return -1;
}

static int rkcommon_parse_header_v2(const void *buf, struct header0_info_v2 *header)
{
	memcpy((void *)header, buf, sizeof(struct header0_info_v2));

	if (le32_to_cpu(header->magic) != RK_MAGIC_V2)
		return -EPROTO;

	return 0;
}

int rkcommon_verify_header(unsigned char *buf, int size,
			   struct image_tool_params *params)
{
	struct header0_info header0;
	struct spl_info *img_spl_info, *spl_info;
	int ret;

	/* spl_hdr is abandon on header_v2 */
	if ((*(uint32_t *)buf) == RK_MAGIC_V2)
		return 0;

	ret = rkcommon_parse_header(buf, &header0, &img_spl_info);

	/* If this is the (unimplemented) RC4 case, then rewrite the result */
	if (ret == -ENOSYS)
		return 0;

	if (ret < 0)
		return ret;

	/*
	 * If no 'imagename' is specified via the commandline (e.g. if this is
	 * 'dumpimage -l' w/o any further constraints), we accept any spl_info.
	 */
	if (params->imagename == NULL)
		return 0;

	/* Match the 'imagename' against the 'spl_hdr' found */
	spl_info = rkcommon_get_spl_info(params->imagename);
	if (spl_info && img_spl_info)
		return strcmp(spl_info->spl_hdr, img_spl_info->spl_hdr);

	return -ENOENT;
}

void rkcommon_print_header(const void *buf)
{
	struct header0_info header0;
	struct header0_info_v2 header0_v2;
	struct spl_info *spl_info;
	uint8_t image_type;
	int ret, boot_size, init_size;

	if ((*(uint32_t *)buf) == RK_MAGIC_V2) {
		ret = rkcommon_parse_header_v2(buf, &header0_v2);

		if (ret < 0) {
			fprintf(stderr, "Error: image verification failed\n");
			return;
		}

		init_size = header0_v2.images[0].size_and_off >> 16;
		init_size = init_size * RK_BLK_SIZE;
		boot_size = header0_v2.images[1].size_and_off >> 16;
		boot_size = boot_size * RK_BLK_SIZE;
	} else {
		ret = rkcommon_parse_header(buf, &header0, &spl_info);

		/* If this is the (unimplemented) RC4 case, then fail silently */
		if (ret == -ENOSYS)
			return;

		if (ret < 0) {
			fprintf(stderr, "Error: image verification failed\n");
			return;
		}

		image_type = ret;
		init_size = header0.init_size * RK_BLK_SIZE;
		boot_size = header0.init_boot_size * RK_BLK_SIZE - init_size;

		printf("Image Type:   Rockchip %s (%s) boot image\n",
		       spl_info->spl_hdr,
		       (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI");
	}

	printf("Init Data Size: %d bytes\n", init_size);

	if (boot_size != RK_MAX_BOOT_SIZE)
		printf("Boot Data Size: %d bytes\n", boot_size);
}

void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size)
{
	unsigned int remaining = size;

	while (remaining > 0) {
		int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining;

		rc4_encode(buf + offset, step, rc4_key);
		offset += RK_BLK_SIZE;
		remaining -= step;
	}
}

int rkcommon_vrec_header(struct image_tool_params *params,
			 struct image_type_params *tparams)
{
	/*
	 * The SPL image looks as follows:
	 *
	 * 0x0    header0 (see rkcommon.c)
	 * 0x800  spl_name ('RK30', ..., 'RK33')
	 *        (start of the payload for AArch64 payloads: we expect the
	 *        first 4 bytes to be available for overwriting with our
	 *        spl_name)
	 * 0x804  first instruction to be executed
	 *        (start of the image/payload for 32bit payloads)
	 *
	 * For AArch64 (ARMv8) payloads, natural alignment (8-bytes) is
	 * required for its sections (so the image we receive needs to
	 * have the first 4 bytes reserved for the spl_name).  Reserving
	 * these 4 bytes is done using the BOOT0_HOOK infrastructure.
	 *
	 * The header is always at 0x800 (as we now use a payload
	 * prepadded using the boot0 hook for all targets): the first
	 * 4 bytes of these images can safely be overwritten using the
	 * boot magic.
	 */
	tparams->header_size = RK_SPL_HDR_START;

	/* Allocate, clear and install the header */
	tparams->hdr = malloc(tparams->header_size);
	if (!tparams->hdr) {
		fprintf(stderr, "%s: Can't alloc header: %s\n",
			params->cmdname, strerror(errno));
		exit(EXIT_FAILURE);
	}
	memset(tparams->hdr, 0, tparams->header_size);

	/*
	 * We need to store the original file-size (i.e. before padding), as
	 * imagetool does not set this during its adjustment of file_size.
	 */
	params->orig_file_size = tparams->header_size +
		spl_params.init_size + spl_params.boot_size;

	params->file_size = ROUND(params->orig_file_size, RK_SIZE_ALIGN);

	/* Ignoring pad len, since we are using our own copy_image() */
	return 0;
}

static int pad_file(struct image_tool_params *params, int ifd, int pad)
{
	uint8_t zeros[4096];

	memset(zeros, 0, sizeof(zeros));

	while (pad > 0) {
		int todo = sizeof(zeros);

		if (todo > pad)
			todo = pad;
		if (write(ifd, (char *)&zeros, todo) != todo) {
			fprintf(stderr, "%s: Write error on %s: %s\n",
				params->cmdname, params->imagefile,
				strerror(errno));
			return -1;
		}
		pad -= todo;
	}

	return 0;
}

static int copy_file(struct image_tool_params *params, int ifd,
		     const char *file, int padded_size)
{
	int dfd;
	struct stat sbuf;
	unsigned char *ptr;
	int size;

	if (params->vflag)
		fprintf(stderr, "Adding Image %s\n", file);

	dfd = open(file, O_RDONLY | O_BINARY);
	if (dfd < 0) {
		fprintf(stderr, "%s: Can't open %s: %s\n",
			params->cmdname, file, strerror(errno));
		return -1;
	}

	if (fstat(dfd, &sbuf) < 0) {
		fprintf(stderr, "%s: Can't stat %s: %s\n",
			params->cmdname, file, strerror(errno));
		goto err_close;
	}

	if (params->vflag)
		fprintf(stderr, "Size %u(pad to %u)\n",
			(int)sbuf.st_size, padded_size);

	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
	if (ptr == MAP_FAILED) {
		fprintf(stderr, "%s: Can't read %s: %s\n",
			params->cmdname, file, strerror(errno));
		goto err_munmap;
	}

	size = sbuf.st_size;
	if (write(ifd, ptr, size) != size) {
		fprintf(stderr, "%s: Write error on %s: %s\n",
			params->cmdname, params->imagefile, strerror(errno));
		goto err_munmap;
	}

	munmap((void *)ptr, sbuf.st_size);
	close(dfd);
	return pad_file(params, ifd, padded_size - size);

err_munmap:
	munmap((void *)ptr, sbuf.st_size);
err_close:
	close(dfd);
	return -1;
}

int rockchip_copy_image(int ifd, struct image_tool_params *params)
{
	int ret;

	ret = copy_file(params, ifd, spl_params.init_file,
			spl_params.init_size);
	if (ret)
		return ret;

	if (spl_params.boot_file) {
		ret = copy_file(params, ifd, spl_params.boot_file,
				spl_params.boot_size);
		if (ret)
			return ret;
	}

	return pad_file(params, ifd,
			params->file_size - params->orig_file_size);
}