blob: 7ec2ed8f45cb98eb6947c8732fa6a341240167bc [file] [log] [blame]
Simon Glassb6396402014-06-12 07:24:46 -06001/*
2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
Simon Glassea51a622014-06-12 07:24:51 -06008#ifndef USE_HOSTCC
Simon Glassb6396402014-06-12 07:24:46 -06009#include <common.h>
Simon Glassea51a622014-06-12 07:24:51 -060010#include <bootstage.h>
Simon Glassb6396402014-06-12 07:24:46 -060011#include <bzlib.h>
Simon Glassb6396402014-06-12 07:24:46 -060012#include <fdt_support.h>
13#include <lmb.h>
14#include <malloc.h>
15#include <asm/io.h>
16#include <linux/lzo.h>
17#include <lzma/LzmaTypes.h>
18#include <lzma/LzmaDec.h>
19#include <lzma/LzmaTools.h>
Simon Glassb6396402014-06-12 07:24:46 -060020#if defined(CONFIG_CMD_USB)
21#include <usb.h>
22#endif
Simon Glassea51a622014-06-12 07:24:51 -060023#else
24#include "mkimage.h"
25#endif
Simon Glassb6396402014-06-12 07:24:46 -060026
Simon Glassea51a622014-06-12 07:24:51 -060027#include <command.h>
28#include <bootm.h>
29#include <image.h>
Simon Glassb6396402014-06-12 07:24:46 -060030
31#ifndef CONFIG_SYS_BOOTM_LEN
32/* use 8MByte as default max gunzip size */
33#define CONFIG_SYS_BOOTM_LEN 0x800000
34#endif
35
36#define IH_INITRD_ARCH IH_ARCH_DEFAULT
37
Simon Glassea51a622014-06-12 07:24:51 -060038#ifndef USE_HOSTCC
39
40DECLARE_GLOBAL_DATA_PTR;
41
Simon Glassb6396402014-06-12 07:24:46 -060042static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
43 char * const argv[], bootm_headers_t *images,
44 ulong *os_data, ulong *os_len);
45
46#ifdef CONFIG_LMB
47static void boot_start_lmb(bootm_headers_t *images)
48{
49 ulong mem_start;
50 phys_size_t mem_size;
51
52 lmb_init(&images->lmb);
53
54 mem_start = getenv_bootm_low();
55 mem_size = getenv_bootm_size();
56
57 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
58
59 arch_lmb_reserve(&images->lmb);
60 board_lmb_reserve(&images->lmb);
61}
62#else
63#define lmb_reserve(lmb, base, size)
64static inline void boot_start_lmb(bootm_headers_t *images) { }
65#endif
66
67static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc,
68 char * const argv[])
69{
70 memset((void *)&images, 0, sizeof(images));
71 images.verify = getenv_yesno("verify");
72
73 boot_start_lmb(&images);
74
75 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
76 images.state = BOOTM_STATE_START;
77
78 return 0;
79}
80
81static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
82 char * const argv[])
83{
84 const void *os_hdr;
85 bool ep_found = false;
86
87 /* get kernel image header, start address and length */
88 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
89 &images, &images.os.image_start, &images.os.image_len);
90 if (images.os.image_len == 0) {
91 puts("ERROR: can't get kernel image!\n");
92 return 1;
93 }
94
95 /* get image parameters */
96 switch (genimg_get_format(os_hdr)) {
97#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
98 case IMAGE_FORMAT_LEGACY:
99 images.os.type = image_get_type(os_hdr);
100 images.os.comp = image_get_comp(os_hdr);
101 images.os.os = image_get_os(os_hdr);
102
103 images.os.end = image_get_image_end(os_hdr);
104 images.os.load = image_get_load(os_hdr);
105 break;
106#endif
107#if defined(CONFIG_FIT)
108 case IMAGE_FORMAT_FIT:
109 if (fit_image_get_type(images.fit_hdr_os,
110 images.fit_noffset_os,
111 &images.os.type)) {
112 puts("Can't get image type!\n");
113 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
114 return 1;
115 }
116
117 if (fit_image_get_comp(images.fit_hdr_os,
118 images.fit_noffset_os,
119 &images.os.comp)) {
120 puts("Can't get image compression!\n");
121 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
122 return 1;
123 }
124
125 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
126 &images.os.os)) {
127 puts("Can't get image OS!\n");
128 bootstage_error(BOOTSTAGE_ID_FIT_OS);
129 return 1;
130 }
131
132 images.os.end = fit_get_end(images.fit_hdr_os);
133
134 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
135 &images.os.load)) {
136 puts("Can't get image load address!\n");
137 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
138 return 1;
139 }
140 break;
141#endif
142#ifdef CONFIG_ANDROID_BOOT_IMAGE
143 case IMAGE_FORMAT_ANDROID:
144 images.os.type = IH_TYPE_KERNEL;
145 images.os.comp = IH_COMP_NONE;
146 images.os.os = IH_OS_LINUX;
147 images.ep = images.os.load;
148 ep_found = true;
149
150 images.os.end = android_image_get_end(os_hdr);
151 images.os.load = android_image_get_kload(os_hdr);
152 break;
153#endif
154 default:
155 puts("ERROR: unknown image format type!\n");
156 return 1;
157 }
158
159 /* find kernel entry point */
160 if (images.legacy_hdr_valid) {
161 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
162#if defined(CONFIG_FIT)
163 } else if (images.fit_uname_os) {
164 int ret;
165
166 ret = fit_image_get_entry(images.fit_hdr_os,
167 images.fit_noffset_os, &images.ep);
168 if (ret) {
169 puts("Can't get entry point property!\n");
170 return 1;
171 }
172#endif
173 } else if (!ep_found) {
174 puts("Could not find kernel entry point!\n");
175 return 1;
176 }
177
178 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
179 images.os.load = images.os.image_start;
180 images.ep += images.os.load;
181 }
182
183 images.os.start = (ulong)os_hdr;
184
185 return 0;
186}
187
188static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
189{
190 int ret;
191
192 /* find ramdisk */
193 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
194 &images.rd_start, &images.rd_end);
195 if (ret) {
196 puts("Ramdisk image is corrupt or invalid\n");
197 return 1;
198 }
199
200 return 0;
201}
202
203#if defined(CONFIG_OF_LIBFDT)
204static int bootm_find_fdt(int flag, int argc, char * const argv[])
205{
206 int ret;
207
208 /* find flattened device tree */
209 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
210 &images.ft_addr, &images.ft_len);
211 if (ret) {
212 puts("Could not find a valid device tree\n");
213 return 1;
214 }
215
216 set_working_fdt_addr(images.ft_addr);
217
218 return 0;
219}
220#endif
221
222int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[])
223{
224 if (bootm_find_ramdisk(flag, argc, argv))
225 return 1;
226
227#if defined(CONFIG_OF_LIBFDT)
228 if (bootm_find_fdt(flag, argc, argv))
229 return 1;
230#endif
231
232 return 0;
233}
234
235static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
236 char * const argv[])
237{
238 if (((images.os.type == IH_TYPE_KERNEL) ||
239 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
240 (images.os.type == IH_TYPE_MULTI)) &&
241 (images.os.os == IH_OS_LINUX ||
242 images.os.os == IH_OS_VXWORKS))
243 return bootm_find_ramdisk_fdt(flag, argc, argv);
244
245 return 0;
246}
Simon Glassce1400f2014-06-12 07:24:53 -0600247#endif /* USE_HOSTCC */
Simon Glassb6396402014-06-12 07:24:46 -0600248
Simon Glass2b164f12014-06-12 07:24:52 -0600249/**
250 * decomp_image() - decompress the operating system
251 *
252 * @comp: Compression algorithm that is used (IH_COMP_...)
253 * @load: Destination load address in U-Boot memory
254 * @image_start Image start address (where we are decompressing from)
255 * @type: OS type (IH_OS_...)
256 * @load_bug: Place to decompress to
257 * @image_buf: Address to decompress from
258 * @return 0 if OK, -ve on error (BOOTM_ERR_...)
259 */
260static int decomp_image(int comp, ulong load, ulong image_start, int type,
261 void *load_buf, void *image_buf, ulong image_len,
262 ulong *load_end)
Simon Glassb6396402014-06-12 07:24:46 -0600263{
Simon Glass2b164f12014-06-12 07:24:52 -0600264 const char *type_name = genimg_get_type_name(type);
265 __attribute__((unused)) uint unc_len = CONFIG_SYS_BOOTM_LEN;
Simon Glassb6396402014-06-12 07:24:46 -0600266
Simon Glass2b164f12014-06-12 07:24:52 -0600267 *load_end = load;
Simon Glassb6396402014-06-12 07:24:46 -0600268 switch (comp) {
269 case IH_COMP_NONE:
270 if (load == image_start) {
271 printf(" XIP %s ... ", type_name);
Simon Glassb6396402014-06-12 07:24:46 -0600272 } else {
273 printf(" Loading %s ... ", type_name);
274 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
275 }
276 *load_end = load + image_len;
277 break;
278#ifdef CONFIG_GZIP
279 case IH_COMP_GZIP:
280 printf(" Uncompressing %s ... ", type_name);
281 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
282 puts("GUNZIP: uncompress, out-of-mem or overwrite error - must RESET board to recover\n");
Simon Glassb6396402014-06-12 07:24:46 -0600283 return BOOTM_ERR_RESET;
284 }
285
286 *load_end = load + image_len;
287 break;
288#endif /* CONFIG_GZIP */
289#ifdef CONFIG_BZIP2
290 case IH_COMP_BZIP2:
291 printf(" Uncompressing %s ... ", type_name);
292 /*
293 * If we've got less than 4 MB of malloc() space,
294 * use slower decompression algorithm which requires
295 * at most 2300 KB of memory.
296 */
297 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
298 image_buf, image_len,
299 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
300 if (i != BZ_OK) {
301 printf("BUNZIP2: uncompress or overwrite error %d - must RESET board to recover\n",
302 i);
Simon Glassb6396402014-06-12 07:24:46 -0600303 return BOOTM_ERR_RESET;
304 }
305
306 *load_end = load + unc_len;
307 break;
308#endif /* CONFIG_BZIP2 */
309#ifdef CONFIG_LZMA
310 case IH_COMP_LZMA: {
311 SizeT lzma_len = unc_len;
Simon Glass2b164f12014-06-12 07:24:52 -0600312 int ret;
313
Simon Glassb6396402014-06-12 07:24:46 -0600314 printf(" Uncompressing %s ... ", type_name);
315
316 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
317 image_buf, image_len);
318 unc_len = lzma_len;
319 if (ret != SZ_OK) {
320 printf("LZMA: uncompress or overwrite error %d - must RESET board to recover\n",
321 ret);
322 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
323 return BOOTM_ERR_RESET;
324 }
325 *load_end = load + unc_len;
326 break;
327 }
328#endif /* CONFIG_LZMA */
329#ifdef CONFIG_LZO
330 case IH_COMP_LZO: {
331 size_t size = unc_len;
Simon Glass2b164f12014-06-12 07:24:52 -0600332 int ret;
Simon Glassb6396402014-06-12 07:24:46 -0600333
334 printf(" Uncompressing %s ... ", type_name);
335
336 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
337 if (ret != LZO_E_OK) {
338 printf("LZO: uncompress or overwrite error %d - must RESET board to recover\n",
339 ret);
Simon Glassb6396402014-06-12 07:24:46 -0600340 return BOOTM_ERR_RESET;
341 }
342
343 *load_end = load + size;
344 break;
345 }
346#endif /* CONFIG_LZO */
347 default:
348 printf("Unimplemented compression type %d\n", comp);
349 return BOOTM_ERR_UNIMPLEMENTED;
350 }
351
Simon Glass2b164f12014-06-12 07:24:52 -0600352 puts("OK\n");
353
354 return 0;
355}
356
Simon Glassce1400f2014-06-12 07:24:53 -0600357#ifndef USE_HOSTCC
Simon Glass2b164f12014-06-12 07:24:52 -0600358static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
359 int boot_progress)
360{
361 image_info_t os = images->os;
362 ulong load = os.load;
363 ulong blob_start = os.start;
364 ulong blob_end = os.end;
365 ulong image_start = os.image_start;
366 ulong image_len = os.image_len;
367 bool no_overlap;
368 void *load_buf, *image_buf;
369 int err;
370
371 load_buf = map_sysmem(load, 0);
372 image_buf = map_sysmem(os.image_start, image_len);
373 err = decomp_image(os.comp, load, os.image_start, os.type, load_buf,
374 image_buf, image_len, load_end);
375 if (err) {
376 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
377 return err;
378 }
Simon Glassb6396402014-06-12 07:24:46 -0600379 flush_cache(load, (*load_end - load) * sizeof(ulong));
380
Simon Glassb6396402014-06-12 07:24:46 -0600381 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
382 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
383
Simon Glass2b164f12014-06-12 07:24:52 -0600384 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
385
Simon Glassb6396402014-06-12 07:24:46 -0600386 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
387 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
388 blob_start, blob_end);
389 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
390 *load_end);
391
392 /* Check what type of image this is. */
393 if (images->legacy_hdr_valid) {
394 if (image_get_type(&images->legacy_hdr_os_copy)
395 == IH_TYPE_MULTI)
396 puts("WARNING: legacy format multi component image overwritten\n");
397 return BOOTM_ERR_OVERLAP;
398 } else {
399 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
400 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
401 return BOOTM_ERR_RESET;
402 }
403 }
404
405 return 0;
406}
407
408/**
409 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
410 *
411 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
412 * enabled)
413 */
414ulong bootm_disable_interrupts(void)
415{
416 ulong iflag;
417
418 /*
419 * We have reached the point of no return: we are going to
420 * overwrite all exception vector code, so we cannot easily
421 * recover from any failures any more...
422 */
423 iflag = disable_interrupts();
424#ifdef CONFIG_NETCONSOLE
425 /* Stop the ethernet stack if NetConsole could have left it up */
426 eth_halt();
427 eth_unregister(eth_get_dev());
428#endif
429
430#if defined(CONFIG_CMD_USB)
431 /*
432 * turn off USB to prevent the host controller from writing to the
433 * SDRAM while Linux is booting. This could happen (at least for OHCI
434 * controller), because the HCCA (Host Controller Communication Area)
435 * lies within the SDRAM and the host controller writes continously to
436 * this area (as busmaster!). The HccaFrameNumber is for example
437 * updated every 1 ms within the HCCA structure in SDRAM! For more
438 * details see the OpenHCI specification.
439 */
440 usb_stop();
441#endif
442 return iflag;
443}
444
445#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
446
447#define CONSOLE_ARG "console="
448#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
449
450static void fixup_silent_linux(void)
451{
452 char *buf;
453 const char *env_val;
454 char *cmdline = getenv("bootargs");
455 int want_silent;
456
457 /*
458 * Only fix cmdline when requested. The environment variable can be:
459 *
460 * no - we never fixup
461 * yes - we always fixup
462 * unset - we rely on the console silent flag
463 */
464 want_silent = getenv_yesno("silent_linux");
465 if (want_silent == 0)
466 return;
467 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
468 return;
469
470 debug("before silent fix-up: %s\n", cmdline);
471 if (cmdline && (cmdline[0] != '\0')) {
472 char *start = strstr(cmdline, CONSOLE_ARG);
473
474 /* Allocate space for maximum possible new command line */
475 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
476 if (!buf) {
477 debug("%s: out of memory\n", __func__);
478 return;
479 }
480
481 if (start) {
482 char *end = strchr(start, ' ');
483 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
484
485 strncpy(buf, cmdline, num_start_bytes);
486 if (end)
487 strcpy(buf + num_start_bytes, end);
488 else
489 buf[num_start_bytes] = '\0';
490 } else {
491 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
492 }
493 env_val = buf;
494 } else {
495 buf = NULL;
496 env_val = CONSOLE_ARG;
497 }
498
499 setenv("bootargs", env_val);
500 debug("after silent fix-up: %s\n", env_val);
501 free(buf);
502}
503#endif /* CONFIG_SILENT_CONSOLE */
504
505/**
506 * Execute selected states of the bootm command.
507 *
508 * Note the arguments to this state must be the first argument, Any 'bootm'
509 * or sub-command arguments must have already been taken.
510 *
511 * Note that if states contains more than one flag it MUST contain
512 * BOOTM_STATE_START, since this handles and consumes the command line args.
513 *
514 * Also note that aside from boot_os_fn functions and bootm_load_os no other
515 * functions we store the return value of in 'ret' may use a negative return
516 * value, without special handling.
517 *
518 * @param cmdtp Pointer to bootm command table entry
519 * @param flag Command flags (CMD_FLAG_...)
520 * @param argc Number of subcommand arguments (0 = no arguments)
521 * @param argv Arguments
522 * @param states Mask containing states to run (BOOTM_STATE_...)
523 * @param images Image header information
524 * @param boot_progress 1 to show boot progress, 0 to not do this
525 * @return 0 if ok, something else on error. Some errors will cause this
526 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
527 * then the intent is to boot an OS, so this function will not return
528 * unless the image type is standalone.
529 */
530int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
531 int states, bootm_headers_t *images, int boot_progress)
532{
533 boot_os_fn *boot_fn;
534 ulong iflag = 0;
535 int ret = 0, need_boot_fn;
536
537 images->state |= states;
538
539 /*
540 * Work through the states and see how far we get. We stop on
541 * any error.
542 */
543 if (states & BOOTM_STATE_START)
544 ret = bootm_start(cmdtp, flag, argc, argv);
545
546 if (!ret && (states & BOOTM_STATE_FINDOS))
547 ret = bootm_find_os(cmdtp, flag, argc, argv);
548
549 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
550 ret = bootm_find_other(cmdtp, flag, argc, argv);
551 argc = 0; /* consume the args */
552 }
553
554 /* Load the OS */
555 if (!ret && (states & BOOTM_STATE_LOADOS)) {
556 ulong load_end;
557
558 iflag = bootm_disable_interrupts();
559 ret = bootm_load_os(images, &load_end, 0);
560 if (ret == 0)
561 lmb_reserve(&images->lmb, images->os.load,
562 (load_end - images->os.load));
563 else if (ret && ret != BOOTM_ERR_OVERLAP)
564 goto err;
565 else if (ret == BOOTM_ERR_OVERLAP)
566 ret = 0;
567#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
568 if (images->os.os == IH_OS_LINUX)
569 fixup_silent_linux();
570#endif
571 }
572
573 /* Relocate the ramdisk */
574#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
575 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
576 ulong rd_len = images->rd_end - images->rd_start;
577
578 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
579 rd_len, &images->initrd_start, &images->initrd_end);
580 if (!ret) {
581 setenv_hex("initrd_start", images->initrd_start);
582 setenv_hex("initrd_end", images->initrd_end);
583 }
584 }
585#endif
586#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
587 if (!ret && (states & BOOTM_STATE_FDT)) {
588 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
589 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
590 &images->ft_len);
591 }
592#endif
593
594 /* From now on, we need the OS boot function */
595 if (ret)
596 return ret;
597 boot_fn = bootm_os_get_boot_func(images->os.os);
598 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
599 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
600 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
601 if (boot_fn == NULL && need_boot_fn) {
602 if (iflag)
603 enable_interrupts();
604 printf("ERROR: booting os '%s' (%d) is not supported\n",
605 genimg_get_os_name(images->os.os), images->os.os);
606 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
607 return 1;
608 }
609
610 /* Call various other states that are not generally used */
611 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
612 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
613 if (!ret && (states & BOOTM_STATE_OS_BD_T))
614 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
615 if (!ret && (states & BOOTM_STATE_OS_PREP))
616 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
617
618#ifdef CONFIG_TRACE
619 /* Pretend to run the OS, then run a user command */
620 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
621 char *cmd_list = getenv("fakegocmd");
622
623 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
624 images, boot_fn);
625 if (!ret && cmd_list)
626 ret = run_command_list(cmd_list, -1, flag);
627 }
628#endif
629
630 /* Check for unsupported subcommand. */
631 if (ret) {
632 puts("subcommand not supported\n");
633 return ret;
634 }
635
636 /* Now run the OS! We hope this doesn't return */
637 if (!ret && (states & BOOTM_STATE_OS_GO))
638 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
639 images, boot_fn);
640
641 /* Deal with any fallout */
642err:
643 if (iflag)
644 enable_interrupts();
645
646 if (ret == BOOTM_ERR_UNIMPLEMENTED)
647 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
648 else if (ret == BOOTM_ERR_RESET)
649 do_reset(cmdtp, flag, argc, argv);
650
651 return ret;
652}
653
654#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
655/**
656 * image_get_kernel - verify legacy format kernel image
657 * @img_addr: in RAM address of the legacy format image to be verified
658 * @verify: data CRC verification flag
659 *
660 * image_get_kernel() verifies legacy image integrity and returns pointer to
661 * legacy image header if image verification was completed successfully.
662 *
663 * returns:
664 * pointer to a legacy image header if valid image was found
665 * otherwise return NULL
666 */
667static image_header_t *image_get_kernel(ulong img_addr, int verify)
668{
669 image_header_t *hdr = (image_header_t *)img_addr;
670
671 if (!image_check_magic(hdr)) {
672 puts("Bad Magic Number\n");
673 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
674 return NULL;
675 }
676 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
677
678 if (!image_check_hcrc(hdr)) {
679 puts("Bad Header Checksum\n");
680 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
681 return NULL;
682 }
683
684 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
685 image_print_contents(hdr);
686
687 if (verify) {
688 puts(" Verifying Checksum ... ");
689 if (!image_check_dcrc(hdr)) {
690 printf("Bad Data CRC\n");
691 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
692 return NULL;
693 }
694 puts("OK\n");
695 }
696 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
697
698 if (!image_check_target_arch(hdr)) {
699 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
700 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
701 return NULL;
702 }
703 return hdr;
704}
705#endif
706
707/**
708 * boot_get_kernel - find kernel image
709 * @os_data: pointer to a ulong variable, will hold os data start address
710 * @os_len: pointer to a ulong variable, will hold os data length
711 *
712 * boot_get_kernel() tries to find a kernel image, verifies its integrity
713 * and locates kernel data.
714 *
715 * returns:
716 * pointer to image header if valid image was found, plus kernel start
717 * address and length, otherwise NULL
718 */
719static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
720 char * const argv[], bootm_headers_t *images,
721 ulong *os_data, ulong *os_len)
722{
723#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
724 image_header_t *hdr;
725#endif
726 ulong img_addr;
727 const void *buf;
728#if defined(CONFIG_FIT)
729 const char *fit_uname_config = NULL;
730 const char *fit_uname_kernel = NULL;
731 int os_noffset;
732#endif
733
734 /* find out kernel image address */
735 if (argc < 1) {
736 img_addr = load_addr;
737 debug("* kernel: default image load address = 0x%08lx\n",
738 load_addr);
739#if defined(CONFIG_FIT)
740 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
741 &fit_uname_config)) {
742 debug("* kernel: config '%s' from image at 0x%08lx\n",
743 fit_uname_config, img_addr);
744 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
745 &fit_uname_kernel)) {
746 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
747 fit_uname_kernel, img_addr);
748#endif
749 } else {
750 img_addr = simple_strtoul(argv[0], NULL, 16);
751 debug("* kernel: cmdline image address = 0x%08lx\n",
752 img_addr);
753 }
754
755 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
756
757 /* copy from dataflash if needed */
758 img_addr = genimg_get_image(img_addr);
759
760 /* check image type, for FIT images get FIT kernel node */
761 *os_data = *os_len = 0;
762 buf = map_sysmem(img_addr, 0);
763 switch (genimg_get_format(buf)) {
764#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
765 case IMAGE_FORMAT_LEGACY:
766 printf("## Booting kernel from Legacy Image at %08lx ...\n",
767 img_addr);
768 hdr = image_get_kernel(img_addr, images->verify);
769 if (!hdr)
770 return NULL;
771 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
772
773 /* get os_data and os_len */
774 switch (image_get_type(hdr)) {
775 case IH_TYPE_KERNEL:
776 case IH_TYPE_KERNEL_NOLOAD:
777 *os_data = image_get_data(hdr);
778 *os_len = image_get_data_size(hdr);
779 break;
780 case IH_TYPE_MULTI:
781 image_multi_getimg(hdr, 0, os_data, os_len);
782 break;
783 case IH_TYPE_STANDALONE:
784 *os_data = image_get_data(hdr);
785 *os_len = image_get_data_size(hdr);
786 break;
787 default:
788 printf("Wrong Image Type for %s command\n",
789 cmdtp->name);
790 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
791 return NULL;
792 }
793
794 /*
795 * copy image header to allow for image overwrites during
796 * kernel decompression.
797 */
798 memmove(&images->legacy_hdr_os_copy, hdr,
799 sizeof(image_header_t));
800
801 /* save pointer to image header */
802 images->legacy_hdr_os = hdr;
803
804 images->legacy_hdr_valid = 1;
805 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
806 break;
807#endif
808#if defined(CONFIG_FIT)
809 case IMAGE_FORMAT_FIT:
Simon Glass126cc862014-06-12 07:24:47 -0600810 os_noffset = fit_image_load(images, img_addr,
Simon Glassb6396402014-06-12 07:24:46 -0600811 &fit_uname_kernel, &fit_uname_config,
812 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
813 BOOTSTAGE_ID_FIT_KERNEL_START,
814 FIT_LOAD_IGNORED, os_data, os_len);
815 if (os_noffset < 0)
816 return NULL;
817
818 images->fit_hdr_os = map_sysmem(img_addr, 0);
819 images->fit_uname_os = fit_uname_kernel;
820 images->fit_uname_cfg = fit_uname_config;
821 images->fit_noffset_os = os_noffset;
822 break;
823#endif
824#ifdef CONFIG_ANDROID_BOOT_IMAGE
825 case IMAGE_FORMAT_ANDROID:
826 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
Simon Glass07c0cd72014-06-12 07:24:48 -0600827 if (android_image_get_kernel(buf, images->verify,
Simon Glassb6396402014-06-12 07:24:46 -0600828 os_data, os_len))
829 return NULL;
830 break;
831#endif
832 default:
833 printf("Wrong Image Format for %s command\n", cmdtp->name);
834 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
835 return NULL;
836 }
837
838 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
839 *os_data, *os_len, *os_len);
840
841 return buf;
842}
Simon Glassce1400f2014-06-12 07:24:53 -0600843#else /* USE_HOSTCC */
844
845void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
846{
847 memmove(to, from, len);
848}
849
850static int bootm_host_load_image(const void *fit, int req_image_type)
851{
852 const char *fit_uname_config = NULL;
853 ulong data, len;
854 bootm_headers_t images;
855 int noffset;
856 ulong load_end;
857 uint8_t image_type;
858 uint8_t imape_comp;
859 void *load_buf;
860 int ret;
861
862 memset(&images, '\0', sizeof(images));
863 images.verify = 1;
864 noffset = fit_image_load(&images, (ulong)fit,
865 NULL, &fit_uname_config,
866 IH_ARCH_DEFAULT, req_image_type, -1,
867 FIT_LOAD_IGNORED, &data, &len);
868 if (noffset < 0)
869 return noffset;
870 if (fit_image_get_type(fit, noffset, &image_type)) {
871 puts("Can't get image type!\n");
872 return -EINVAL;
873 }
874
875 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
876 puts("Can't get image compression!\n");
877 return -EINVAL;
878 }
879
880 /* Allow the image to expand by a factor of 4, should be safe */
881 load_buf = malloc((1 << 20) + len * 4);
882 ret = decomp_image(imape_comp, 0, data, image_type, load_buf,
883 (void *)data, len, &load_end);
884 free(load_buf);
885 if (ret && ret != BOOTM_ERR_UNIMPLEMENTED)
886 return ret;
887
888 return 0;
889}
890
891int bootm_host_load_images(const void *fit, int cfg_noffset)
892{
893 static uint8_t image_types[] = {
894 IH_TYPE_KERNEL,
895 IH_TYPE_FLATDT,
896 IH_TYPE_RAMDISK,
897 };
898 int err = 0;
899 int i;
900
901 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
902 int ret;
903
904 ret = bootm_host_load_image(fit, image_types[i]);
905 if (!err && ret && ret != -ENOENT)
906 err = ret;
907 }
908
909 /* Return the first error we found */
910 return err;
911}
Simon Glassea51a622014-06-12 07:24:51 -0600912
913#endif /* ndef USE_HOSTCC */