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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glassa131c1f2015-08-30 16:55:24 -06002/*
3 * (C) Copyright 2015 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
5 *
Philipp Tomsich2fb371f2017-05-30 23:32:08 +02006 * (C) 2017 Theobroma Systems Design und Consulting GmbH
7 *
Simon Glassa131c1f2015-08-30 16:55:24 -06008 * Helper functions for Rockchip images
9 */
10
11#include "imagetool.h"
12#include <image.h>
13#include <rc4.h>
14#include "mkimage.h"
15#include "rkcommon.h"
16
17enum {
18 RK_SIGNATURE = 0x0ff0aa55,
19};
20
21/**
22 * struct header0_info - header block for boot ROM
23 *
24 * This is stored at SD card block 64 (where each block is 512 bytes, or at
25 * the start of SPI flash. It is encoded with RC4.
26 *
27 * @signature: Signature (must be RKSD_SIGNATURE)
28 * @disable_rc4: 0 to use rc4 for boot image, 1 to use plain binary
Jeffy Chen36413392015-11-17 14:20:30 +080029 * @init_offset: Offset in blocks of the SPL code from this header
Simon Glassa131c1f2015-08-30 16:55:24 -060030 * block. E.g. 4 means 2KB after the start of this header.
31 * Other fields are not used by U-Boot
32 */
33struct header0_info {
34 uint32_t signature;
35 uint8_t reserved[4];
36 uint32_t disable_rc4;
Jeffy Chen36413392015-11-17 14:20:30 +080037 uint16_t init_offset;
38 uint8_t reserved1[492];
39 uint16_t init_size;
40 uint16_t init_boot_size;
Simon Glassa131c1f2015-08-30 16:55:24 -060041 uint8_t reserved2[2];
42};
43
Jeffy Chen7bf274b2015-11-27 12:07:17 +080044/**
Philipp Tomsich111bcc42017-03-15 12:08:43 +010045 * struct header1_info
46 */
47struct header1_info {
48 uint32_t magic;
Philipp Tomsich111bcc42017-03-15 12:08:43 +010049};
50
51/**
Jeffy Chen7bf274b2015-11-27 12:07:17 +080052 * struct spl_info - spl info for each chip
53 *
54 * @imagename: Image name(passed by "mkimage -n")
55 * @spl_hdr: Boot ROM requires a 4-bytes spl header
56 * @spl_size: Spl size(include extra 4-bytes spl header)
Heiko Stübnercfbcdad2017-02-18 19:46:27 +010057 * @spl_rc4: RC4 encode the SPL binary (same key as header)
Jeffy Chen7bf274b2015-11-27 12:07:17 +080058 */
Philipp Tomsich111bcc42017-03-15 12:08:43 +010059
Jeffy Chen7bf274b2015-11-27 12:07:17 +080060struct spl_info {
61 const char *imagename;
62 const char *spl_hdr;
63 const uint32_t spl_size;
Heiko Stübnercfbcdad2017-02-18 19:46:27 +010064 const bool spl_rc4;
Jeffy Chen7bf274b2015-11-27 12:07:17 +080065};
66
67static struct spl_info spl_infos[] = {
Kever Yangc6e66b12019-07-12 11:43:34 +020068 { "px30", "RK33", 0x2800, false },
Philipp Tomsich95d363c2017-10-10 16:21:18 +020069 { "rk3036", "RK30", 0x1000, false },
70 { "rk3128", "RK31", 0x1800, false },
71 { "rk3188", "RK31", 0x8000 - 0x800, true },
72 { "rk322x", "RK32", 0x8000 - 0x1000, false },
73 { "rk3288", "RK32", 0x8000, false },
Andy Yan644c6be2019-11-14 11:22:34 +080074 { "rk3308", "RK33", 0x40000 - 0x1000, false},
Philipp Tomsich95d363c2017-10-10 16:21:18 +020075 { "rk3328", "RK32", 0x8000 - 0x1000, false },
76 { "rk3368", "RK33", 0x8000 - 0x1000, false },
77 { "rk3399", "RK33", 0x30000 - 0x2000, false },
78 { "rv1108", "RK11", 0x1800, false },
Jeffy Chen7bf274b2015-11-27 12:07:17 +080079};
80
Jeffy Cheneea6cd82019-12-27 11:24:41 +080081/**
82 * struct spl_params - spl params parsed in check_params()
83 *
84 * @init_file: Init data file path
85 * @init_size: Aligned size of init data in bytes
86 * @boot_file: Boot data file path
87 * @boot_size: Aligned size of boot data in bytes
88 */
89
90struct spl_params {
91 char *init_file;
92 uint32_t init_size;
93 char *boot_file;
94 uint32_t boot_size;
95};
96
97static struct spl_params spl_params = { 0 };
98
Simon Glassa131c1f2015-08-30 16:55:24 -060099static unsigned char rc4_key[16] = {
100 124, 78, 3, 4, 85, 5, 9, 7,
101 45, 44, 123, 56, 23, 13, 23, 17
102};
103
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800104static struct spl_info *rkcommon_get_spl_info(char *imagename)
105{
106 int i;
107
Philipp Tomsich24aae932017-04-17 17:48:05 +0200108 if (!imagename)
109 return NULL;
110
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800111 for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
112 if (!strncmp(imagename, spl_infos[i].imagename, 6))
113 return spl_infos + i;
114
115 return NULL;
116}
117
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800118static int rkcommon_get_aligned_size(struct image_tool_params *params,
119 const char *fname)
120{
121 int size;
122
123 size = imagetool_get_filesize(params, fname);
124 if (size < 0)
125 return -1;
126
127 /*
128 * Pad to a 2KB alignment, as required for init/boot size by the ROM
129 * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html)
130 */
131 return ROUND(size, RK_SIZE_ALIGN);
132}
133
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800134int rkcommon_check_params(struct image_tool_params *params)
135{
Heinrich Schuchardt69cd0c42020-05-09 21:31:03 +0200136 int i, size;
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800137
Philipp Tomsich24aae932017-04-17 17:48:05 +0200138 /*
139 * If this is a operation (list or extract), the don't require
140 * imagename to be set.
141 */
142 if (params->lflag || params->iflag)
143 return EXIT_SUCCESS;
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800144
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800145 if (!rkcommon_get_spl_info(params->imagename))
146 goto err_spl_info;
147
148 spl_params.init_file = params->datafile;
149
150 spl_params.boot_file = strchr(spl_params.init_file, ':');
151 if (spl_params.boot_file) {
152 *spl_params.boot_file = '\0';
153 spl_params.boot_file += 1;
154 }
155
Heinrich Schuchardt69cd0c42020-05-09 21:31:03 +0200156 size = rkcommon_get_aligned_size(params, spl_params.init_file);
157 if (size < 0)
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800158 return EXIT_FAILURE;
Heinrich Schuchardt69cd0c42020-05-09 21:31:03 +0200159 spl_params.init_size = size;
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800160
161 /* Boot file is optional, and only for back-to-bootrom functionality. */
162 if (spl_params.boot_file) {
Heinrich Schuchardt69cd0c42020-05-09 21:31:03 +0200163 size = rkcommon_get_aligned_size(params, spl_params.boot_file);
164 if (size < 0)
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800165 return EXIT_FAILURE;
Heinrich Schuchardt69cd0c42020-05-09 21:31:03 +0200166 spl_params.boot_size = size;
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800167 }
168
169 if (spl_params.init_size > rkcommon_get_spl_size(params)) {
170 fprintf(stderr,
171 "Error: SPL image is too large (size %#x than %#x)\n",
172 spl_params.init_size, rkcommon_get_spl_size(params));
173 return EXIT_FAILURE;
174 }
175
176 return EXIT_SUCCESS;
177
178err_spl_info:
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800179 fprintf(stderr, "ERROR: imagename (%s) is not supported!\n",
Philipp Tomsich24aae932017-04-17 17:48:05 +0200180 params->imagename ? params->imagename : "NULL");
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800181
182 fprintf(stderr, "Available imagename:");
183 for (i = 0; i < ARRAY_SIZE(spl_infos); i++)
184 fprintf(stderr, "\t%s", spl_infos[i].imagename);
185 fprintf(stderr, "\n");
186
Philipp Tomsich24aae932017-04-17 17:48:05 +0200187 return EXIT_FAILURE;
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800188}
189
190const char *rkcommon_get_spl_hdr(struct image_tool_params *params)
191{
192 struct spl_info *info = rkcommon_get_spl_info(params->imagename);
193
194 /*
195 * info would not be NULL, because of we checked params before.
196 */
197 return info->spl_hdr;
198}
199
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100200
Jeffy Chen7bf274b2015-11-27 12:07:17 +0800201int rkcommon_get_spl_size(struct image_tool_params *params)
202{
203 struct spl_info *info = rkcommon_get_spl_info(params->imagename);
204
205 /*
206 * info would not be NULL, because of we checked params before.
207 */
208 return info->spl_size;
209}
210
Heiko Stübnercfbcdad2017-02-18 19:46:27 +0100211bool rkcommon_need_rc4_spl(struct image_tool_params *params)
212{
213 struct spl_info *info = rkcommon_get_spl_info(params->imagename);
214
215 /*
216 * info would not be NULL, because of we checked params before.
217 */
218 return info->spl_rc4;
219}
220
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800221static void rkcommon_set_header0(void *buf, struct image_tool_params *params)
Simon Glassa131c1f2015-08-30 16:55:24 -0600222{
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100223 struct header0_info *hdr = buf;
Simon Glassa131c1f2015-08-30 16:55:24 -0600224
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100225 memset(buf, '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
Simon Glassa131c1f2015-08-30 16:55:24 -0600226 hdr->signature = RK_SIGNATURE;
Heiko Stübnercfbcdad2017-02-18 19:46:27 +0100227 hdr->disable_rc4 = !rkcommon_need_rc4_spl(params);
Jeffy Chen36413392015-11-17 14:20:30 +0800228 hdr->init_offset = RK_INIT_OFFSET;
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800229 hdr->init_size = spl_params.init_size / RK_BLK_SIZE;
Simon Glassa131c1f2015-08-30 16:55:24 -0600230
Philipp Tomsicha1a2dfb2017-04-17 17:48:04 +0200231 /*
Philipp Tomsicha1c29d42017-05-30 23:32:10 +0200232 * init_boot_size needs to be set, as it is read by the BootROM
233 * to determine the size of the next-stage bootloader (e.g. U-Boot
234 * proper), when used with the back-to-bootrom functionality.
235 *
236 * see https://lists.denx.de/pipermail/u-boot/2017-May/293267.html
237 * for a more detailed explanation by Andy Yan
Philipp Tomsicha1a2dfb2017-04-17 17:48:04 +0200238 */
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800239 if (spl_params.boot_file)
240 hdr->init_boot_size =
241 hdr->init_size + spl_params.boot_size / RK_BLK_SIZE;
242 else
243 hdr->init_boot_size =
244 hdr->init_size + RK_MAX_BOOT_SIZE / RK_BLK_SIZE;
Simon Glassa131c1f2015-08-30 16:55:24 -0600245
246 rc4_encode(buf, RK_BLK_SIZE, rc4_key);
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100247}
248
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800249void rkcommon_set_header(void *buf, struct stat *sbuf, int ifd,
250 struct image_tool_params *params)
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100251{
252 struct header1_info *hdr = buf + RK_SPL_HDR_START;
253
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800254 rkcommon_set_header0(buf, params);
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100255
Philipp Tomsich2fb371f2017-05-30 23:32:08 +0200256 /* Set up the SPL name (i.e. copy spl_hdr over) */
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100257 memcpy(&hdr->magic, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);
258
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100259 if (rkcommon_need_rc4_spl(params))
260 rkcommon_rc4_encode_spl(buf, RK_SPL_HDR_START,
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800261 spl_params.init_size);
Simon Glassa131c1f2015-08-30 16:55:24 -0600262
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800263 if (spl_params.boot_file) {
264 if (rkcommon_need_rc4_spl(params))
265 rkcommon_rc4_encode_spl(buf + RK_SPL_HDR_START,
266 spl_params.init_size,
267 spl_params.boot_size);
268 }
Simon Glassa131c1f2015-08-30 16:55:24 -0600269}
Heiko Stübnercfbcdad2017-02-18 19:46:27 +0100270
Philipp Tomsich2fb371f2017-05-30 23:32:08 +0200271static inline unsigned rkcommon_offset_to_spi(unsigned offset)
272{
273 /*
274 * While SD/MMC images use a flat addressing, SPI images are padded
275 * to use the first 2K of every 4K sector only.
276 */
277 return ((offset & ~0x7ff) << 1) + (offset & 0x7ff);
278}
279
Philipp Tomsich2fb371f2017-05-30 23:32:08 +0200280static int rkcommon_parse_header(const void *buf, struct header0_info *header0,
281 struct spl_info **spl_info)
282{
283 unsigned hdr1_offset;
284 struct header1_info *hdr1_sdmmc, *hdr1_spi;
285 int i;
286
287 if (spl_info)
288 *spl_info = NULL;
289
290 /*
291 * The first header (hdr0) is always RC4 encoded, so try to decrypt
292 * with the well-known key.
293 */
294 memcpy((void *)header0, buf, sizeof(struct header0_info));
295 rc4_encode((void *)header0, sizeof(struct header0_info), rc4_key);
296
297 if (header0->signature != RK_SIGNATURE)
298 return -EPROTO;
299
300 /* We don't support RC4 encoded image payloads here, yet... */
301 if (header0->disable_rc4 == 0)
302 return -ENOSYS;
303
304 hdr1_offset = header0->init_offset * RK_BLK_SIZE;
305 hdr1_sdmmc = (struct header1_info *)(buf + hdr1_offset);
306 hdr1_spi = (struct header1_info *)(buf +
307 rkcommon_offset_to_spi(hdr1_offset));
308
309 for (i = 0; i < ARRAY_SIZE(spl_infos); i++) {
Miquel Raynale5a40552020-03-18 17:22:55 +0100310 if (!memcmp(&hdr1_sdmmc->magic, spl_infos[i].spl_hdr,
311 RK_SPL_HDR_SIZE)) {
Philipp Tomsich2fb371f2017-05-30 23:32:08 +0200312 if (spl_info)
313 *spl_info = &spl_infos[i];
314 return IH_TYPE_RKSD;
Miquel Raynale5a40552020-03-18 17:22:55 +0100315 } else if (!memcmp(&hdr1_spi->magic, spl_infos[i].spl_hdr,
316 RK_SPL_HDR_SIZE)) {
Philipp Tomsich2fb371f2017-05-30 23:32:08 +0200317 if (spl_info)
318 *spl_info = &spl_infos[i];
319 return IH_TYPE_RKSPI;
320 }
321 }
322
323 return -1;
324}
325
326int rkcommon_verify_header(unsigned char *buf, int size,
327 struct image_tool_params *params)
328{
329 struct header0_info header0;
330 struct spl_info *img_spl_info, *spl_info;
331 int ret;
332
333 ret = rkcommon_parse_header(buf, &header0, &img_spl_info);
334
335 /* If this is the (unimplemented) RC4 case, then rewrite the result */
336 if (ret == -ENOSYS)
337 return 0;
338
339 if (ret < 0)
340 return ret;
341
342 /*
343 * If no 'imagename' is specified via the commandline (e.g. if this is
344 * 'dumpimage -l' w/o any further constraints), we accept any spl_info.
345 */
346 if (params->imagename == NULL)
347 return 0;
348
349 /* Match the 'imagename' against the 'spl_hdr' found */
350 spl_info = rkcommon_get_spl_info(params->imagename);
351 if (spl_info && img_spl_info)
352 return strcmp(spl_info->spl_hdr, img_spl_info->spl_hdr);
353
354 return -ENOENT;
355}
356
357void rkcommon_print_header(const void *buf)
358{
359 struct header0_info header0;
360 struct spl_info *spl_info;
361 uint8_t image_type;
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800362 int ret, boot_size;
Philipp Tomsich2fb371f2017-05-30 23:32:08 +0200363
364 ret = rkcommon_parse_header(buf, &header0, &spl_info);
365
366 /* If this is the (unimplemented) RC4 case, then fail silently */
367 if (ret == -ENOSYS)
368 return;
369
370 if (ret < 0) {
371 fprintf(stderr, "Error: image verification failed\n");
372 return;
373 }
374
375 image_type = ret;
376
377 printf("Image Type: Rockchip %s (%s) boot image\n",
378 spl_info->spl_hdr,
379 (image_type == IH_TYPE_RKSD) ? "SD/MMC" : "SPI");
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800380 printf("Init Data Size: %d bytes\n", header0.init_size * RK_BLK_SIZE);
381
382 boot_size = (header0.init_boot_size - header0.init_size) * RK_BLK_SIZE;
383 if (boot_size != RK_MAX_BOOT_SIZE)
384 printf("Boot Data Size: %d bytes\n", boot_size);
Philipp Tomsich2fb371f2017-05-30 23:32:08 +0200385}
386
Heiko Stübnercfbcdad2017-02-18 19:46:27 +0100387void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size)
388{
389 unsigned int remaining = size;
390
391 while (remaining > 0) {
392 int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining;
393
394 rc4_encode(buf + offset, step, rc4_key);
395 offset += RK_BLK_SIZE;
396 remaining -= step;
397 }
398}
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100399
Philipp Tomsich366aad42017-04-17 17:48:01 +0200400int rkcommon_vrec_header(struct image_tool_params *params,
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800401 struct image_type_params *tparams)
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100402{
403 /*
404 * The SPL image looks as follows:
405 *
406 * 0x0 header0 (see rkcommon.c)
407 * 0x800 spl_name ('RK30', ..., 'RK33')
Philipp Tomsichea3729e2017-04-17 17:48:02 +0200408 * (start of the payload for AArch64 payloads: we expect the
409 * first 4 bytes to be available for overwriting with our
410 * spl_name)
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100411 * 0x804 first instruction to be executed
Philipp Tomsichea3729e2017-04-17 17:48:02 +0200412 * (start of the image/payload for 32bit payloads)
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100413 *
Philipp Tomsichea3729e2017-04-17 17:48:02 +0200414 * For AArch64 (ARMv8) payloads, natural alignment (8-bytes) is
415 * required for its sections (so the image we receive needs to
416 * have the first 4 bytes reserved for the spl_name). Reserving
417 * these 4 bytes is done using the BOOT0_HOOK infrastructure.
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100418 *
Philipp Tomsich95d363c2017-10-10 16:21:18 +0200419 * The header is always at 0x800 (as we now use a payload
420 * prepadded using the boot0 hook for all targets): the first
421 * 4 bytes of these images can safely be overwritten using the
422 * boot magic.
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100423 */
Philipp Tomsich95d363c2017-10-10 16:21:18 +0200424 tparams->header_size = RK_SPL_HDR_START;
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100425
426 /* Allocate, clear and install the header */
427 tparams->hdr = malloc(tparams->header_size);
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800428 if (!tparams->hdr) {
429 fprintf(stderr, "%s: Can't alloc header: %s\n",
430 params->cmdname, strerror(errno));
431 exit(EXIT_FAILURE);
432 }
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100433 memset(tparams->hdr, 0, tparams->header_size);
Philipp Tomsich366aad42017-04-17 17:48:01 +0200434
435 /*
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800436 * We need to store the original file-size (i.e. before padding), as
437 * imagetool does not set this during its adjustment of file_size.
Philipp Tomsich366aad42017-04-17 17:48:01 +0200438 */
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800439 params->orig_file_size = tparams->header_size +
440 spl_params.init_size + spl_params.boot_size;
Philipp Tomsich366aad42017-04-17 17:48:01 +0200441
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800442 params->file_size = ROUND(params->orig_file_size, RK_SIZE_ALIGN);
Philipp Tomsich366aad42017-04-17 17:48:01 +0200443
Jeffy Cheneea6cd82019-12-27 11:24:41 +0800444 /* Ignoring pad len, since we are using our own copy_image() */
445 return 0;
446}
447
448static int pad_file(struct image_tool_params *params, int ifd, int pad)
449{
450 uint8_t zeros[4096];
451
452 memset(zeros, 0, sizeof(zeros));
453
454 while (pad > 0) {
455 int todo = sizeof(zeros);
456
457 if (todo > pad)
458 todo = pad;
459 if (write(ifd, (char *)&zeros, todo) != todo) {
460 fprintf(stderr, "%s: Write error on %s: %s\n",
461 params->cmdname, params->imagefile,
462 strerror(errno));
463 return -1;
464 }
465 pad -= todo;
466 }
467
468 return 0;
469}
470
471static int copy_file(struct image_tool_params *params, int ifd,
472 const char *file, int padded_size)
473{
474 int dfd;
475 struct stat sbuf;
476 unsigned char *ptr;
477 int size;
478
479 if (params->vflag)
480 fprintf(stderr, "Adding Image %s\n", file);
481
482 dfd = open(file, O_RDONLY | O_BINARY);
483 if (dfd < 0) {
484 fprintf(stderr, "%s: Can't open %s: %s\n",
485 params->cmdname, file, strerror(errno));
486 return -1;
487 }
488
489 if (fstat(dfd, &sbuf) < 0) {
490 fprintf(stderr, "%s: Can't stat %s: %s\n",
491 params->cmdname, file, strerror(errno));
492 goto err_close;
493 }
494
495 if (params->vflag)
496 fprintf(stderr, "Size %u(pad to %u)\n",
497 (int)sbuf.st_size, padded_size);
498
499 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
500 if (ptr == MAP_FAILED) {
501 fprintf(stderr, "%s: Can't read %s: %s\n",
502 params->cmdname, file, strerror(errno));
503 goto err_munmap;
504 }
505
506 size = sbuf.st_size;
507 if (write(ifd, ptr, size) != size) {
508 fprintf(stderr, "%s: Write error on %s: %s\n",
509 params->cmdname, params->imagefile, strerror(errno));
510 goto err_munmap;
511 }
512
513 munmap((void *)ptr, sbuf.st_size);
514 close(dfd);
515 return pad_file(params, ifd, padded_size - size);
516
517err_munmap:
518 munmap((void *)ptr, sbuf.st_size);
519err_close:
520 close(dfd);
521 return -1;
522}
523
524int rockchip_copy_image(int ifd, struct image_tool_params *params)
525{
526 int ret;
527
528 ret = copy_file(params, ifd, spl_params.init_file,
529 spl_params.init_size);
530 if (ret)
531 return ret;
532
533 if (spl_params.boot_file) {
534 ret = copy_file(params, ifd, spl_params.boot_file,
535 spl_params.boot_size);
536 if (ret)
537 return ret;
538 }
539
540 return pad_file(params, ifd,
541 params->file_size - params->orig_file_size);
Philipp Tomsich111bcc42017-03-15 12:08:43 +0100542}