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