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Merge tag 'tpm-master-28012025' of https://source.denx.de/u-boot/custodians/u-boot-tpm
[u-boot.git] / boot / image-board.c
blob514f8e63f9c0978f26698aba0d2ce074a8ccef99
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Image code used by boards (and not host tools)
4 *
5 * (C) Copyright 2008 Semihalf
6 *
7 * (C) Copyright 2000-2006
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 */
10
11 #include <config.h>
12 #include <bootstage.h>
13 #include <cpu_func.h>
14 #include <display_options.h>
15 #include <env.h>
16 #include <fpga.h>
17 #include <image.h>
18 #include <init.h>
19 #include <log.h>
20 #include <mapmem.h>
21 #include <rtc.h>
22 #include <watchdog.h>
23 #include <asm/cache.h>
24 #include <asm/global_data.h>
25
26 DECLARE_GLOBAL_DATA_PTR;
27
28 /**
29 * image_get_ramdisk - get and verify ramdisk image
30 * @rd_addr: ramdisk image start address
31 * @arch: expected ramdisk architecture
32 * @verify: checksum verification flag
33 *
34 * image_get_ramdisk() returns a pointer to the verified ramdisk image
35 * header. Routine receives image start address and expected architecture
36 * flag. Verification done covers data and header integrity and os/type/arch
37 * fields checking.
38 *
39 * returns:
40 * pointer to a ramdisk image header, if image was found and valid
41 * otherwise, return NULL
42 */
43 static const struct legacy_img_hdr *image_get_ramdisk(ulong rd_addr, u8 arch,
44 int verify)
45 {
46 const struct legacy_img_hdr *rd_hdr = (const struct legacy_img_hdr *)rd_addr;
47
48 if (!image_check_magic(rd_hdr)) {
49 puts("Bad Magic Number\n");
50 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
51 return NULL;
52 }
53
54 if (!image_check_hcrc(rd_hdr)) {
55 puts("Bad Header Checksum\n");
56 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
57 return NULL;
58 }
59
60 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
61 image_print_contents(rd_hdr);
62
63 if (verify) {
64 puts(" Verifying Checksum ... ");
65 if (!image_check_dcrc(rd_hdr)) {
66 puts("Bad Data CRC\n");
67 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
68 return NULL;
69 }
70 puts("OK\n");
71 }
72
73 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
74
75 if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
76 !image_check_arch(rd_hdr, arch) ||
77 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
78 printf("No Linux %s Ramdisk Image\n",
79 genimg_get_arch_name(arch));
80 bootstage_error(BOOTSTAGE_ID_RAMDISK);
81 return NULL;
82 }
83
84 return rd_hdr;
85 }
86
87 /*****************************************************************************/
88 /* Shared dual-format routines */
89 /*****************************************************************************/
90 ulong image_load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
91 ulong image_save_addr; /* Default Save Address */
92 ulong image_save_size; /* Default Save Size (in bytes) */
93
94 static int on_loadaddr(const char *name, const char *value, enum env_op op,
95 int flags)
96 {
97 switch (op) {
98 case env_op_create:
99 case env_op_overwrite:
100 image_load_addr = hextoul(value, NULL);
101 break;
102 default:
103 break;
104 }
105
106 return 0;
107 }
108 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
109
110 phys_addr_t env_get_bootm_low(void)
111 {
112 char *s = env_get("bootm_low");
113
114 if (s)
115 return simple_strtoull(s, NULL, 16);
116
117 #if defined(CFG_SYS_SDRAM_BASE)
118 return CFG_SYS_SDRAM_BASE;
119 #elif defined(CONFIG_ARM) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_RISCV)
120 return gd->bd->bi_dram[0].start;
121 #else
122 return 0;
123 #endif
124 }
125
126 phys_size_t env_get_bootm_size(void)
127 {
128 phys_addr_t start, low;
129 phys_size_t size;
130 char *s = env_get("bootm_size");
131
132 if (s)
133 return simple_strtoull(s, NULL, 16);
134
135 start = gd->ram_base;
136 size = gd->ram_size;
137
138 if (start + size > gd->ram_top)
139 size = gd->ram_top - start;
140
141 s = env_get("bootm_low");
142 if (s)
143 low = simple_strtoull(s, NULL, 16);
144 else
145 low = start;
146
147 return size - (low - start);
148 }
149
150 phys_size_t env_get_bootm_mapsize(void)
151 {
152 char *s = env_get("bootm_mapsize");
153
154 if (s)
155 return simple_strtoull(s, NULL, 16);
156
157 #if defined(CFG_SYS_BOOTMAPSZ)
158 return CFG_SYS_BOOTMAPSZ;
159 #else
160 return env_get_bootm_size();
161 #endif
162 }
163
164 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
165 {
166 if (to == from)
167 return;
168
169 if (IS_ENABLED(CONFIG_HW_WATCHDOG) || IS_ENABLED(CONFIG_WATCHDOG)) {
170 if (to > from) {
171 from += len;
172 to += len;
173 }
174 while (len > 0) {
175 size_t tail = (len > chunksz) ? chunksz : len;
176
177 schedule();
178 if (to > from) {
179 to -= tail;
180 from -= tail;
181 }
182 memmove(to, from, tail);
183 if (to < from) {
184 to += tail;
185 from += tail;
186 }
187 len -= tail;
188 }
189 } else {
190 memmove(to, from, len);
191 }
192 }
193
194 ulong genimg_get_kernel_addr_fit(const char *const img_addr,
195 const char **fit_uname_config,
196 const char **fit_uname_kernel)
197 {
198 ulong kernel_addr;
199
200 /* find out kernel image address */
201 if (!img_addr) {
202 kernel_addr = image_load_addr;
203 debug("* kernel: default image load address = 0x%08lx\n",
204 image_load_addr);
205 } else if (CONFIG_IS_ENABLED(FIT) &&
206 fit_parse_conf(img_addr, image_load_addr, &kernel_addr,
207 fit_uname_config)) {
208 debug("* kernel: config '%s' from image at 0x%08lx\n",
209 *fit_uname_config, kernel_addr);
210 } else if (CONFIG_IS_ENABLED(FIT) &&
211 fit_parse_subimage(img_addr, image_load_addr, &kernel_addr,
212 fit_uname_kernel)) {
213 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
214 *fit_uname_kernel, kernel_addr);
215 } else {
216 kernel_addr = hextoul(img_addr, NULL);
217 debug("* kernel: cmdline image address = 0x%08lx\n",
218 kernel_addr);
219 }
220
221 return kernel_addr;
222 }
223
224 /**
225 * genimg_get_kernel_addr() is the simple version of
226 * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
227 */
228 ulong genimg_get_kernel_addr(char * const img_addr)
229 {
230 const char *fit_uname_config = NULL;
231 const char *fit_uname_kernel = NULL;
232
233 return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
234 &fit_uname_kernel);
235 }
236
237 /**
238 * genimg_get_format - get image format type
239 * @img_addr: image start address
240 *
241 * genimg_get_format() checks whether provided address points to a valid
242 * legacy or FIT image.
243 *
244 * New uImage format and FDT blob are based on a libfdt. FDT blob
245 * may be passed directly or embedded in a FIT image. In both situations
246 * genimg_get_format() must be able to dectect libfdt header.
247 *
248 * returns:
249 * image format type or IMAGE_FORMAT_INVALID if no image is present
250 */
251 int genimg_get_format(const void *img_addr)
252 {
253 if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
254 const struct legacy_img_hdr *hdr;
255
256 hdr = (const struct legacy_img_hdr *)img_addr;
257 if (image_check_magic(hdr))
258 return IMAGE_FORMAT_LEGACY;
259 }
260 if (CONFIG_IS_ENABLED(FIT) || CONFIG_IS_ENABLED(OF_LIBFDT)) {
261 if (!fdt_check_header(img_addr))
262 return IMAGE_FORMAT_FIT;
263 }
264 if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE) &&
265 is_android_boot_image_header(img_addr))
266 return IMAGE_FORMAT_ANDROID;
267
268 return IMAGE_FORMAT_INVALID;
269 }
270
271 /**
272 * fit_has_config - check if there is a valid FIT configuration
273 * @images: pointer to the bootm command headers structure
274 *
275 * fit_has_config() checks if there is a FIT configuration in use
276 * (if FTI support is present).
277 *
278 * returns:
279 * 0, no FIT support or no configuration found
280 * 1, configuration found
281 */
282 int genimg_has_config(struct bootm_headers *images)
283 {
284 if (CONFIG_IS_ENABLED(FIT) && images->fit_uname_cfg)
285 return 1;
286
287 return 0;
288 }
289
290 /**
291 * select_ramdisk() - Select and locate the ramdisk to use
292 *
293 * @images: pointer to the bootm images structure
294 * @select: name of ramdisk to select, or hex address, NULL for any
295 * @arch: expected ramdisk architecture
296 * @rd_datap: pointer to a ulong variable, will hold ramdisk pointer
297 * @rd_lenp: pointer to a ulong variable, will hold ramdisk length
298 * Return: 0 if OK, -ENOPKG if no ramdisk (but an error should not be reported),
299 * other -ve value on other error
300 */
301 static int select_ramdisk(struct bootm_headers *images, const char *select, u8 arch,
302 ulong *rd_datap, ulong *rd_lenp)
303 {
304 const char *fit_uname_config;
305 const char *fit_uname_ramdisk;
306 bool done_select = !select;
307 bool done = false;
308 int rd_noffset;
309 ulong rd_addr = 0;
310 char *buf;
311
312 if (CONFIG_IS_ENABLED(FIT)) {
313 fit_uname_config = images->fit_uname_cfg;
314 fit_uname_ramdisk = NULL;
315
316 if (select) {
317 ulong default_addr;
318 /*
319 * If the init ramdisk comes from the FIT image and
320 * the FIT image address is omitted in the command
321 * line argument, try to use os FIT image address or
322 * default load address.
323 */
324 if (images->fit_uname_os)
325 default_addr = (ulong)images->fit_hdr_os;
326 else
327 default_addr = image_load_addr;
328
329 if (fit_parse_conf(select, default_addr, &rd_addr,
330 &fit_uname_config)) {
331 debug("* ramdisk: config '%s' from image at 0x%08lx\n",
332 fit_uname_config, rd_addr);
333 done_select = true;
334 } else if (fit_parse_subimage(select, default_addr,
335 &rd_addr,
336 &fit_uname_ramdisk)) {
337 debug("* ramdisk: subimage '%s' from image at 0x%08lx\n",
338 fit_uname_ramdisk, rd_addr);
339 done_select = true;
340 }
341 }
342 }
343 if (!done_select) {
344 rd_addr = hextoul(select, NULL);
345 debug("* ramdisk: cmdline image address = 0x%08lx\n", rd_addr);
346 }
347 if (CONFIG_IS_ENABLED(FIT) && !select) {
348 /* use FIT configuration provided in first bootm
349 * command argument. If the property is not defined,
350 * quit silently (with -ENOPKG)
351 */
352 rd_addr = map_to_sysmem(images->fit_hdr_os);
353 rd_noffset = fit_get_node_from_config(images, FIT_RAMDISK_PROP,
354 rd_addr);
355 if (rd_noffset == -ENOENT)
356 return -ENOPKG;
357 else if (rd_noffset < 0)
358 return rd_noffset;
359 }
360
361 /*
362 * Check if there is an initrd image at the
363 * address provided in the second bootm argument
364 * check image type, for FIT images get FIT node.
365 */
366 buf = map_sysmem(rd_addr, 0);
367 switch (genimg_get_format(buf)) {
368 case IMAGE_FORMAT_LEGACY:
369 if (CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)) {
370 const struct legacy_img_hdr *rd_hdr;
371
372 printf("## Loading init Ramdisk from Legacy Image at %08lx ...\n",
373 rd_addr);
374
375 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
376 rd_hdr = image_get_ramdisk(rd_addr, arch,
377 images->verify);
378
379 if (!rd_hdr)
380 return -ENOENT;
381
382 *rd_datap = image_get_data(rd_hdr);
383 *rd_lenp = image_get_data_size(rd_hdr);
384 done = true;
385 }
386 break;
387 case IMAGE_FORMAT_FIT:
388 if (CONFIG_IS_ENABLED(FIT)) {
389 rd_noffset = fit_image_load(images, rd_addr,
390 &fit_uname_ramdisk,
391 &fit_uname_config,
392 arch, IH_TYPE_RAMDISK,
393 BOOTSTAGE_ID_FIT_RD_START,
394 FIT_LOAD_OPTIONAL_NON_ZERO,
395 rd_datap, rd_lenp);
396 if (rd_noffset < 0)
397 return rd_noffset;
398
399 images->fit_hdr_rd = map_sysmem(rd_addr, 0);
400 images->fit_uname_rd = fit_uname_ramdisk;
401 images->fit_noffset_rd = rd_noffset;
402 done = true;
403 }
404 break;
405 case IMAGE_FORMAT_ANDROID:
406 if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
407 int ret;
408 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
409 ulong boot_img = get_abootimg_addr();
410 ulong init_boot_img = get_ainit_bootimg_addr();
411 void *vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0);
412 void *ramdisk_img;
413
414 if (init_boot_img == -1)
415 ramdisk_img = map_sysmem(boot_img, 0);
416 else
417 ramdisk_img = map_sysmem(init_boot_img, 0);
418
419 ret = android_image_get_ramdisk(ramdisk_img, vendor_boot_img,
420 rd_datap, rd_lenp);
421 unmap_sysmem(vendor_boot_img);
422 unmap_sysmem(ramdisk_img);
423 } else {
424 void *ptr = map_sysmem(images->os.start, 0);
425
426 ret = android_image_get_ramdisk(ptr, NULL, rd_datap, rd_lenp);
427 unmap_sysmem(ptr);
428 }
429
430 if (ret == -ENOENT)
431 return -ENOPKG;
432 else if (ret)
433 return ret;
434 done = true;
435 }
436 break;
437 }
438
439 if (!done) {
440 if (IS_ENABLED(CONFIG_SUPPORT_RAW_INITRD)) {
441 char *end = NULL;
442
443 if (select)
444 end = strchr(select, ':');
445 if (end) {
446 *rd_lenp = hextoul(++end, NULL);
447 *rd_datap = rd_addr;
448 done = true;
449 }
450 }
451
452 if (!done) {
453 puts("Wrong Ramdisk Image Format\n");
454 return -EINVAL;
455 }
456 }
457
458 return 0;
459 }
460
461 int boot_get_ramdisk(char const *select, struct bootm_headers *images,
462 uint arch, ulong *rd_start, ulong *rd_end)
463 {
464 ulong rd_data, rd_len;
465
466 *rd_start = 0;
467 *rd_end = 0;
468
469 /*
470 * Look for a '-' which indicates to ignore the
471 * ramdisk argument
472 */
473 if (select && strcmp(select, "-") == 0) {
474 debug("## Skipping init Ramdisk\n");
475 rd_len = 0;
476 rd_data = 0;
477 } else if (select || genimg_has_config(images)) {
478 int ret;
479
480 ret = select_ramdisk(images, select, arch, &rd_data, &rd_len);
481 if (ret == -ENOPKG)
482 return 0;
483 else if (ret)
484 return ret;
485 } else if (images->legacy_hdr_valid &&
486 image_check_type(&images->legacy_hdr_os_copy,
487 IH_TYPE_MULTI)) {
488 /*
489 * Now check if we have a legacy mult-component image,
490 * get second entry data start address and len.
491 */
492 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
493 printf("## Loading init Ramdisk from multi component Legacy Image at %08lx ...\n",
494 (ulong)images->legacy_hdr_os);
495
496 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
497 } else {
498 /*
499 * no initrd image
500 */
501 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
502 rd_len = 0;
503 rd_data = 0;
504 }
505
506 if (!rd_data) {
507 debug("## No init Ramdisk\n");
508 } else {
509 *rd_start = rd_data;
510 *rd_end = rd_data + rd_len;
511 }
512 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
513 *rd_start, *rd_end);
514
515 return 0;
516 }
517
518 /**
519 * boot_ramdisk_high - relocate init ramdisk
520 * @rd_data: ramdisk data start address
521 * @rd_len: ramdisk data length
522 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
523 * start address (after possible relocation)
524 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
525 * end address (after possible relocation)
526 *
527 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
528 * variable and if requested ramdisk data is moved to a specified location.
529 *
530 * Initrd_start and initrd_end are set to final (after relocation) ramdisk
531 * start/end addresses if ramdisk image start and len were provided,
532 * otherwise set initrd_start and initrd_end set to zeros.
533 *
534 * returns:
535 * 0 - success
536 * -1 - failure
537 */
538 int boot_ramdisk_high(ulong rd_data, ulong rd_len, ulong *initrd_start,
539 ulong *initrd_end)
540 {
541 char *s;
542 phys_addr_t initrd_high;
543 int initrd_copy_to_ram = 1;
544
545 s = env_get("initrd_high");
546 if (s) {
547 /* a value of "no" or a similar string will act like 0,
548 * turning the "load high" feature off. This is intentional.
549 */
550 initrd_high = hextoul(s, NULL);
551 if (initrd_high == ~0)
552 initrd_copy_to_ram = 0;
553 } else {
554 initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
555 }
556
557 debug("## initrd_high = 0x%llx, copy_to_ram = %d\n",
558 (u64)initrd_high, initrd_copy_to_ram);
559
560 if (rd_data) {
561 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
562 debug(" in-place initrd\n");
563 *initrd_start = rd_data;
564 *initrd_end = rd_data + rd_len;
565 lmb_reserve(rd_data, rd_len, LMB_NONE);
566 } else {
567 if (initrd_high)
568 *initrd_start =
569 (ulong)lmb_alloc_base(rd_len,
570 0x1000,
571 initrd_high,
572 LMB_NONE);
573 else
574 *initrd_start = (ulong)lmb_alloc(rd_len,
575 0x1000);
576
577 if (*initrd_start == 0) {
578 puts("ramdisk - allocation error\n");
579 goto error;
580 }
581 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
582
583 *initrd_end = *initrd_start + rd_len;
584 printf(" Loading Ramdisk to %08lx, end %08lx ... ",
585 *initrd_start, *initrd_end);
586
587 memmove_wd((void *)*initrd_start,
588 (void *)rd_data, rd_len, CHUNKSZ);
589
590 /*
591 * Ensure the image is flushed to memory to handle
592 * AMP boot scenarios in which we might not be
593 * HW cache coherent
594 */
595 if (IS_ENABLED(CONFIG_MP)) {
596 flush_cache((unsigned long)*initrd_start,
597 ALIGN(rd_len, ARCH_DMA_MINALIGN));
598 }
599 puts("OK\n");
600 }
601 } else {
602 *initrd_start = 0;
603 *initrd_end = 0;
604 }
605 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
606 *initrd_start, *initrd_end);
607
608 return 0;
609
610 error:
611 return -1;
612 }
613
614 int boot_get_setup(struct bootm_headers *images, u8 arch,
615 ulong *setup_start, ulong *setup_len)
616 {
617 if (!CONFIG_IS_ENABLED(FIT))
618 return -ENOENT;
619
620 return boot_get_setup_fit(images, arch, setup_start, setup_len);
621 }
622
623 int boot_get_fpga(struct bootm_headers *images)
624 {
625 ulong tmp_img_addr, img_data, img_len;
626 void *buf;
627 int conf_noffset;
628 int fit_img_result;
629 const char *uname, *name, *compatible;
630 int err;
631 int devnum = 0; /* TODO support multi fpga platforms */
632 int flags = 0;
633
634 if (!IS_ENABLED(CONFIG_FPGA))
635 return -ENOSYS;
636
637 /* Check to see if the images struct has a FIT configuration */
638 if (!genimg_has_config(images)) {
639 debug("## FIT configuration was not specified\n");
640 return 0;
641 }
642
643 /*
644 * Obtain the os FIT header from the images struct
645 */
646 tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
647 buf = map_sysmem(tmp_img_addr, 0);
648 /*
649 * Check image type. For FIT images get FIT node
650 * and attempt to locate a generic binary.
651 */
652 switch (genimg_get_format(buf)) {
653 case IMAGE_FORMAT_FIT:
654 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
655
656 uname = fdt_stringlist_get(buf, conf_noffset, FIT_FPGA_PROP, 0,
657 NULL);
658 if (!uname) {
659 debug("## FPGA image is not specified\n");
660 return 0;
661 }
662 fit_img_result = fit_image_load(images,
663 tmp_img_addr,
664 (const char **)&uname,
665 &images->fit_uname_cfg,
666 IH_ARCH_DEFAULT,
667 IH_TYPE_FPGA,
668 BOOTSTAGE_ID_FPGA_INIT,
669 FIT_LOAD_OPTIONAL_NON_ZERO,
670 &img_data, &img_len);
671
672 debug("FPGA image (%s) loaded to 0x%lx/size 0x%lx\n",
673 uname, img_data, img_len);
674
675 if (fit_img_result < 0) {
676 /* Something went wrong! */
677 return fit_img_result;
678 }
679
680 conf_noffset = fit_image_get_node(buf, uname);
681 compatible = fdt_getprop(buf, conf_noffset, "compatible", NULL);
682 if (!compatible) {
683 printf("'fpga' image without 'compatible' property\n");
684 } else {
685 if (CONFIG_IS_ENABLED(FPGA_LOAD_SECURE))
686 flags = fpga_compatible2flag(devnum, compatible);
687 }
688
689 if (!fpga_is_partial_data(devnum, img_len)) {
690 name = "full";
691 err = fpga_loadbitstream(devnum, (char *)img_data,
692 img_len, BIT_FULL);
693 if (err)
694 err = fpga_load(devnum, (const void *)img_data,
695 img_len, BIT_FULL, flags);
696 } else {
697 name = "partial";
698 err = fpga_loadbitstream(devnum, (char *)img_data,
699 img_len, BIT_PARTIAL);
700 if (err)
701 err = fpga_load(devnum, (const void *)img_data,
702 img_len, BIT_PARTIAL, flags);
703 }
704
705 if (err)
706 return err;
707
708 printf(" Programming %s bitstream... OK\n", name);
709 break;
710 default:
711 printf("The given image format is not supported (corrupt?)\n");
712 return 1;
713 }
714
715 return 0;
716 }
717
718 static void fit_loadable_process(u8 img_type,
719 ulong img_data,
720 ulong img_len)
721 {
722 int i;
723 const unsigned int count =
724 ll_entry_count(struct fit_loadable_tbl, fit_loadable);
725 struct fit_loadable_tbl *fit_loadable_handler =
726 ll_entry_start(struct fit_loadable_tbl, fit_loadable);
727 /* For each loadable handler */
728 for (i = 0; i < count; i++, fit_loadable_handler++)
729 /* matching this type */
730 if (fit_loadable_handler->type == img_type)
731 /* call that handler with this image data */
732 fit_loadable_handler->handler(img_data, img_len);
733 }
734
735 int boot_get_loadable(struct bootm_headers *images)
736 {
737 /*
738 * These variables are used to hold the current image location
739 * in system memory.
740 */
741 ulong tmp_img_addr;
742 /*
743 * These two variables are requirements for fit_image_load, but
744 * their values are not used
745 */
746 ulong img_data, img_len;
747 void *buf;
748 int loadables_index;
749 int conf_noffset;
750 int fit_img_result;
751 const char *uname;
752 u8 img_type;
753
754 /* Check to see if the images struct has a FIT configuration */
755 if (!genimg_has_config(images)) {
756 debug("## FIT configuration was not specified\n");
757 return 0;
758 }
759
760 /*
761 * Obtain the os FIT header from the images struct
762 */
763 tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
764 buf = map_sysmem(tmp_img_addr, 0);
765 /*
766 * Check image type. For FIT images get FIT node
767 * and attempt to locate a generic binary.
768 */
769 switch (genimg_get_format(buf)) {
770 case IMAGE_FORMAT_FIT:
771 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
772
773 for (loadables_index = 0;
774 uname = fdt_stringlist_get(buf, conf_noffset,
775 FIT_LOADABLE_PROP,
776 loadables_index, NULL), uname;
777 loadables_index++) {
778 fit_img_result = fit_image_load(images, tmp_img_addr,
779 &uname,
780 &images->fit_uname_cfg,
781 IH_ARCH_DEFAULT,
782 IH_TYPE_LOADABLE,
783 BOOTSTAGE_ID_FIT_LOADABLE_START,
784 FIT_LOAD_OPTIONAL_NON_ZERO,
785 &img_data, &img_len);
786 if (fit_img_result < 0) {
787 /* Something went wrong! */
788 return fit_img_result;
789 }
790
791 fit_img_result = fit_image_get_node(buf, uname);
792 if (fit_img_result < 0) {
793 /* Something went wrong! */
794 return fit_img_result;
795 }
796 fit_img_result = fit_image_get_type(buf,
797 fit_img_result,
798 &img_type);
799 if (fit_img_result < 0) {
800 /* Something went wrong! */
801 return fit_img_result;
802 }
803
804 fit_loadable_process(img_type, img_data, img_len);
805 }
806 break;
807 default:
808 printf("The given image format is not supported (corrupt?)\n");
809 return 1;
810 }
811
812 return 0;
813 }
814
815 /**
816 * boot_get_cmdline - allocate and initialize kernel cmdline
817 * @cmd_start: pointer to a ulong variable, will hold cmdline start
818 * @cmd_end: pointer to a ulong variable, will hold cmdline end
819 *
820 * This allocates space for kernel command line below
821 * BOOTMAPSZ + env_get_bootm_low() address. If "bootargs" U-Boot environment
822 * variable is present its contents is copied to allocated kernel
823 * command line.
824 *
825 * returns:
826 * 0 - success
827 * -1 - failure
828 */
829 int boot_get_cmdline(ulong *cmd_start, ulong *cmd_end)
830 {
831 int barg;
832 char *cmdline;
833 char *s;
834
835 /*
836 * Help the compiler detect that this function is only called when
837 * CONFIG_SYS_BOOT_GET_CMDLINE is enabled
838 */
839 if (!IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE))
840 return 0;
841
842 barg = IF_ENABLED_INT(CONFIG_SYS_BOOT_GET_CMDLINE, CONFIG_SYS_BARGSIZE);
843 cmdline = (char *)(ulong)lmb_alloc_base(barg, 0xf,
844 env_get_bootm_mapsize() + env_get_bootm_low(),
845 LMB_NONE);
846 if (!cmdline)
847 return -1;
848
849 s = env_get("bootargs");
850 if (!s)
851 s = "";
852
853 strcpy(cmdline, s);
854
855 *cmd_start = (ulong)cmdline;
856 *cmd_end = *cmd_start + strlen(cmdline);
857
858 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
859
860 return 0;
861 }
862
863 /**
864 * boot_get_kbd - allocate and initialize kernel copy of board info
865 * @kbd: double pointer to board info data
866 *
867 * boot_get_kbd() allocates space for kernel copy of board info data below
868 * BOOTMAPSZ + env_get_bootm_low() address and kernel board info is initialized
869 * with the current u-boot board info data.
870 *
871 * returns:
872 * 0 - success
873 * -1 - failure
874 */
875 int boot_get_kbd(struct bd_info **kbd)
876 {
877 *kbd = (struct bd_info *)(ulong)lmb_alloc_base(sizeof(struct bd_info),
878 0xf,
879 env_get_bootm_mapsize() +
880 env_get_bootm_low(),
881 LMB_NONE);
882 if (!*kbd)
883 return -1;
884
885 **kbd = *gd->bd;
886
887 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
888
889 if (_DEBUG && IS_ENABLED(CONFIG_CMD_BDI))
890 do_bdinfo(NULL, 0, 0, NULL);
891
892 return 0;
893 }
894
895 int image_setup_linux(struct bootm_headers *images)
896 {
897 ulong of_size = images->ft_len;
898 char **of_flat_tree = &images->ft_addr;
899 int ret;
900
901 /* This function cannot be called without lmb support */
902 if (!CONFIG_IS_ENABLED(LMB))
903 return -EFAULT;
904 if (CONFIG_IS_ENABLED(OF_LIBFDT))
905 boot_fdt_add_mem_rsv_regions(*of_flat_tree);
906
907 if (IS_ENABLED(CONFIG_SYS_BOOT_GET_CMDLINE)) {
908 ret = boot_get_cmdline(&images->cmdline_start,
909 &images->cmdline_end);
910 if (ret) {
911 puts("ERROR with allocation of cmdline\n");
912 return ret;
913 }
914 }
915
916 if (CONFIG_IS_ENABLED(OF_LIBFDT)) {
917 ret = boot_relocate_fdt(of_flat_tree, &of_size);
918 if (ret)
919 return ret;
920 }
921
922 if (CONFIG_IS_ENABLED(OF_LIBFDT) && of_size) {
923 ret = image_setup_libfdt(images, *of_flat_tree, true);
924 if (ret)
925 return ret;
926 }
927
928 return 0;
929 }
930
931 void genimg_print_size(uint32_t size)
932 {
933 printf("%d Bytes = ", size);
934 print_size(size, "\n");
935 }
936
937 void genimg_print_time(time_t timestamp)
938 {
939 struct rtc_time tm;
940
941 rtc_to_tm(timestamp, &tm);
942 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
943 tm.tm_year, tm.tm_mon, tm.tm_mday,
944 tm.tm_hour, tm.tm_min, tm.tm_sec);
945 }
946
947 /**
948 * get_default_image() - Return default property from /images
949 *
950 * Return: Pointer to value of default property (or NULL)
951 */
952 static const char *get_default_image(const void *fit)
953 {
954 int images_noffset;
955
956 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
957 if (images_noffset < 0)
958 return NULL;
959
960 return fdt_getprop(fit, images_noffset, FIT_DEFAULT_PROP, NULL);
961 }
962
963 int image_locate_script(void *buf, int size, const char *fit_uname,
964 const char *confname, char **datap, uint *lenp)
965 {
966 const struct legacy_img_hdr *hdr;
967 const void *fit_data;
968 const void *fit_hdr;
969 size_t fit_len;
970 int noffset;
971 int verify;
972 ulong len;
973 u32 *data;
974
975 verify = env_get_yesno("verify");
976
977 switch (genimg_get_format(buf)) {
978 case IMAGE_FORMAT_LEGACY:
979 if (!IS_ENABLED(CONFIG_LEGACY_IMAGE_FORMAT)) {
980 goto exit_image_format;
981 } else {
982 hdr = buf;
983
984 if (!image_check_magic(hdr)) {
985 puts("Bad magic number\n");
986 return 1;
987 }
988
989 if (!image_check_hcrc(hdr)) {
990 puts("Bad header crc\n");
991 return 1;
992 }
993
994 if (verify) {
995 if (!image_check_dcrc(hdr)) {
996 puts("Bad data crc\n");
997 return 1;
998 }
999 }
1000
1001 if (!image_check_type(hdr, IH_TYPE_SCRIPT)) {
1002 puts("Bad image type\n");
1003 return 1;
1004 }
1005
1006 /* get length of script */
1007 data = (u32 *)image_get_data(hdr);
1008
1009 len = uimage_to_cpu(*data);
1010 if (!len) {
1011 puts("Empty Script\n");
1012 return 1;
1013 }
1014
1015 /*
1016 * scripts are just multi-image files with one
1017 * component, so seek past the zero-terminated sequence
1018 * of image lengths to get to the actual image data
1019 */
1020 while (*data++);
1021 }
1022 break;
1023 case IMAGE_FORMAT_FIT:
1024 if (!IS_ENABLED(CONFIG_FIT)) {
1025 goto exit_image_format;
1026 } else {
1027 fit_hdr = buf;
1028 if (fit_check_format(fit_hdr, IMAGE_SIZE_INVAL)) {
1029 puts("Bad FIT image format\n");
1030 return 1;
1031 }
1032
1033 if (!fit_uname) {
1034 /* If confname is empty, use the default */
1035 if (confname && *confname)
1036 noffset = fit_conf_get_node(fit_hdr, confname);
1037 else
1038 noffset = fit_conf_get_node(fit_hdr, NULL);
1039 if (noffset < 0) {
1040 if (!confname)
1041 goto fallback;
1042 printf("Could not find config %s\n", confname);
1043 return 1;
1044 }
1045
1046 if (verify && fit_config_verify(fit_hdr, noffset))
1047 return 1;
1048
1049 noffset = fit_conf_get_prop_node(fit_hdr,
1050 noffset,
1051 FIT_SCRIPT_PROP,
1052 IH_PHASE_NONE);
1053 if (noffset < 0) {
1054 if (!confname)
1055 goto fallback;
1056 printf("Could not find script in %s\n", confname);
1057 return 1;
1058 }
1059 } else {
1060 fallback:
1061 if (!fit_uname || !*fit_uname)
1062 fit_uname = get_default_image(fit_hdr);
1063 if (!fit_uname) {
1064 puts("No FIT subimage unit name\n");
1065 return 1;
1066 }
1067
1068 /* get script component image node offset */
1069 noffset = fit_image_get_node(fit_hdr, fit_uname);
1070 if (noffset < 0) {
1071 printf("Can't find '%s' FIT subimage\n",
1072 fit_uname);
1073 return 1;
1074 }
1075 }
1076
1077 if (!fit_image_check_type(fit_hdr, noffset,
1078 IH_TYPE_SCRIPT)) {
1079 puts("Not a image image\n");
1080 return 1;
1081 }
1082
1083 /* verify integrity */
1084 if (verify && !fit_image_verify(fit_hdr, noffset)) {
1085 puts("Bad Data Hash\n");
1086 return 1;
1087 }
1088
1089 /* get script subimage data address and length */
1090 if (fit_image_get_data(fit_hdr, noffset, &fit_data,
1091 &fit_len)) {
1092 puts("Could not find script subimage data\n");
1093 return 1;
1094 }
1095
1096 data = (u32 *)fit_data;
1097 len = (ulong)fit_len;
1098 }
1099 break;
1100 default:
1101 goto exit_image_format;
1102 }
1103
1104 *datap = (char *)data;
1105 *lenp = len;
1106
1107 return 0;
1108
1109 exit_image_format:
1110 puts("Wrong image format for \"source\" command\n");
1111 return -EPERM;
1112 }
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