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Allow u-boot to be silent without forcing Linux to be
[people/ms/u-boot.git] / common / cmd_bootm.c
1 /*
2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24
25 /*
26 * Boot support
27 */
28 #include <common.h>
29 #include <watchdog.h>
30 #include <command.h>
31 #include <image.h>
32 #include <malloc.h>
33 #include <u-boot/zlib.h>
34 #include <bzlib.h>
35 #include <environment.h>
36 #include <lmb.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
39 #include <linux/compiler.h>
40
41 #if defined(CONFIG_CMD_USB)
42 #include <usb.h>
43 #endif
44
45 #ifdef CONFIG_SYS_HUSH_PARSER
46 #include <hush.h>
47 #endif
48
49 #if defined(CONFIG_OF_LIBFDT)
50 #include <libfdt.h>
51 #include <fdt_support.h>
52 #endif
53
54 #ifdef CONFIG_LZMA
55 #include <lzma/LzmaTypes.h>
56 #include <lzma/LzmaDec.h>
57 #include <lzma/LzmaTools.h>
58 #endif /* CONFIG_LZMA */
59
60 #ifdef CONFIG_LZO
61 #include <linux/lzo.h>
62 #endif /* CONFIG_LZO */
63
64 DECLARE_GLOBAL_DATA_PTR;
65
66 #ifndef CONFIG_SYS_BOOTM_LEN
67 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
68 #endif
69
70 #ifdef CONFIG_BZIP2
71 extern void bz_internal_error(int);
72 #endif
73
74 #if defined(CONFIG_CMD_IMI)
75 static int image_info(unsigned long addr);
76 #endif
77
78 #if defined(CONFIG_CMD_IMLS)
79 #include <flash.h>
80 #include <mtd/cfi_flash.h>
81 extern flash_info_t flash_info[]; /* info for FLASH chips */
82 #endif
83
84 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
85 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
86 #endif
87
88 #include <linux/err.h>
89 #include <nand.h>
90
91 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
92 static void fixup_silent_linux(void);
93 #endif
94
95 static image_header_t *image_get_kernel(ulong img_addr, int verify);
96 #if defined(CONFIG_FIT)
97 static int fit_check_kernel(const void *fit, int os_noffset, int verify);
98 #endif
99
100 static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
101 char * const argv[], bootm_headers_t *images,
102 ulong *os_data, ulong *os_len);
103
104 /*
105 * Continue booting an OS image; caller already has:
106 * - copied image header to global variable `header'
107 * - checked header magic number, checksums (both header & image),
108 * - verified image architecture (PPC) and type (KERNEL or MULTI),
109 * - loaded (first part of) image to header load address,
110 * - disabled interrupts.
111 */
112 typedef int boot_os_fn(int flag, int argc, char * const argv[],
113 bootm_headers_t *images); /* pointers to os/initrd/fdt */
114
115 #ifdef CONFIG_BOOTM_LINUX
116 extern boot_os_fn do_bootm_linux;
117 #endif
118 #ifdef CONFIG_BOOTM_NETBSD
119 static boot_os_fn do_bootm_netbsd;
120 #endif
121 #if defined(CONFIG_LYNXKDI)
122 static boot_os_fn do_bootm_lynxkdi;
123 extern void lynxkdi_boot(image_header_t *);
124 #endif
125 #ifdef CONFIG_BOOTM_RTEMS
126 static boot_os_fn do_bootm_rtems;
127 #endif
128 #if defined(CONFIG_BOOTM_OSE)
129 static boot_os_fn do_bootm_ose;
130 #endif
131 #if defined(CONFIG_CMD_ELF)
132 static boot_os_fn do_bootm_vxworks;
133 static boot_os_fn do_bootm_qnxelf;
134 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
135 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
136 #endif
137 #if defined(CONFIG_INTEGRITY)
138 static boot_os_fn do_bootm_integrity;
139 #endif
140
141 static boot_os_fn *boot_os[] = {
142 #ifdef CONFIG_BOOTM_LINUX
143 [IH_OS_LINUX] = do_bootm_linux,
144 #endif
145 #ifdef CONFIG_BOOTM_NETBSD
146 [IH_OS_NETBSD] = do_bootm_netbsd,
147 #endif
148 #ifdef CONFIG_LYNXKDI
149 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
150 #endif
151 #ifdef CONFIG_BOOTM_RTEMS
152 [IH_OS_RTEMS] = do_bootm_rtems,
153 #endif
154 #if defined(CONFIG_BOOTM_OSE)
155 [IH_OS_OSE] = do_bootm_ose,
156 #endif
157 #if defined(CONFIG_CMD_ELF)
158 [IH_OS_VXWORKS] = do_bootm_vxworks,
159 [IH_OS_QNX] = do_bootm_qnxelf,
160 #endif
161 #ifdef CONFIG_INTEGRITY
162 [IH_OS_INTEGRITY] = do_bootm_integrity,
163 #endif
164 };
165
166 bootm_headers_t images; /* pointers to os/initrd/fdt images */
167
168 /* Allow for arch specific config before we boot */
169 static void __arch_preboot_os(void)
170 {
171 /* please define platform specific arch_preboot_os() */
172 }
173 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
174
175 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
176
177 #ifdef CONFIG_LMB
178 static void boot_start_lmb(bootm_headers_t *images)
179 {
180 ulong mem_start;
181 phys_size_t mem_size;
182
183 lmb_init(&images->lmb);
184
185 mem_start = getenv_bootm_low();
186 mem_size = getenv_bootm_size();
187
188 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
189
190 arch_lmb_reserve(&images->lmb);
191 board_lmb_reserve(&images->lmb);
192 }
193 #else
194 #define lmb_reserve(lmb, base, size)
195 static inline void boot_start_lmb(bootm_headers_t *images) { }
196 #endif
197
198 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
199 {
200 void *os_hdr;
201 int ret;
202
203 memset((void *)&images, 0, sizeof(images));
204 images.verify = getenv_yesno("verify");
205
206 boot_start_lmb(&images);
207
208 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
209
210 /* get kernel image header, start address and length */
211 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
212 &images, &images.os.image_start, &images.os.image_len);
213 if (images.os.image_len == 0) {
214 puts("ERROR: can't get kernel image!\n");
215 return 1;
216 }
217
218 /* get image parameters */
219 switch (genimg_get_format(os_hdr)) {
220 case IMAGE_FORMAT_LEGACY:
221 images.os.type = image_get_type(os_hdr);
222 images.os.comp = image_get_comp(os_hdr);
223 images.os.os = image_get_os(os_hdr);
224
225 images.os.end = image_get_image_end(os_hdr);
226 images.os.load = image_get_load(os_hdr);
227 break;
228 #if defined(CONFIG_FIT)
229 case IMAGE_FORMAT_FIT:
230 if (fit_image_get_type(images.fit_hdr_os,
231 images.fit_noffset_os, &images.os.type)) {
232 puts("Can't get image type!\n");
233 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
234 return 1;
235 }
236
237 if (fit_image_get_comp(images.fit_hdr_os,
238 images.fit_noffset_os, &images.os.comp)) {
239 puts("Can't get image compression!\n");
240 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
241 return 1;
242 }
243
244 if (fit_image_get_os(images.fit_hdr_os,
245 images.fit_noffset_os, &images.os.os)) {
246 puts("Can't get image OS!\n");
247 bootstage_error(BOOTSTAGE_ID_FIT_OS);
248 return 1;
249 }
250
251 images.os.end = fit_get_end(images.fit_hdr_os);
252
253 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
254 &images.os.load)) {
255 puts("Can't get image load address!\n");
256 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
257 return 1;
258 }
259 break;
260 #endif
261 default:
262 puts("ERROR: unknown image format type!\n");
263 return 1;
264 }
265
266 /* find kernel entry point */
267 if (images.legacy_hdr_valid) {
268 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
269 #if defined(CONFIG_FIT)
270 } else if (images.fit_uname_os) {
271 ret = fit_image_get_entry(images.fit_hdr_os,
272 images.fit_noffset_os, &images.ep);
273 if (ret) {
274 puts("Can't get entry point property!\n");
275 return 1;
276 }
277 #endif
278 } else {
279 puts("Could not find kernel entry point!\n");
280 return 1;
281 }
282
283 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
284 images.os.load = images.os.image_start;
285 images.ep += images.os.load;
286 }
287
288 if (((images.os.type == IH_TYPE_KERNEL) ||
289 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
290 (images.os.type == IH_TYPE_MULTI)) &&
291 (images.os.os == IH_OS_LINUX)) {
292 /* find ramdisk */
293 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
294 &images.rd_start, &images.rd_end);
295 if (ret) {
296 puts("Ramdisk image is corrupt or invalid\n");
297 return 1;
298 }
299
300 #if defined(CONFIG_OF_LIBFDT)
301 /* find flattened device tree */
302 ret = boot_get_fdt(flag, argc, argv, &images,
303 &images.ft_addr, &images.ft_len);
304 if (ret) {
305 puts("Could not find a valid device tree\n");
306 return 1;
307 }
308
309 set_working_fdt_addr(images.ft_addr);
310 #endif
311 }
312
313 images.os.start = (ulong)os_hdr;
314 images.state = BOOTM_STATE_START;
315
316 return 0;
317 }
318
319 #define BOOTM_ERR_RESET -1
320 #define BOOTM_ERR_OVERLAP -2
321 #define BOOTM_ERR_UNIMPLEMENTED -3
322 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
323 {
324 uint8_t comp = os.comp;
325 ulong load = os.load;
326 ulong blob_start = os.start;
327 ulong blob_end = os.end;
328 ulong image_start = os.image_start;
329 ulong image_len = os.image_len;
330 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
331 int no_overlap = 0;
332 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
333 int ret;
334 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
335
336 const char *type_name = genimg_get_type_name(os.type);
337
338 switch (comp) {
339 case IH_COMP_NONE:
340 if (load == blob_start || load == image_start) {
341 printf(" XIP %s ... ", type_name);
342 no_overlap = 1;
343 } else {
344 printf(" Loading %s ... ", type_name);
345 memmove_wd((void *)load, (void *)image_start,
346 image_len, CHUNKSZ);
347 }
348 *load_end = load + image_len;
349 puts("OK\n");
350 break;
351 #ifdef CONFIG_GZIP
352 case IH_COMP_GZIP:
353 printf(" Uncompressing %s ... ", type_name);
354 if (gunzip((void *)load, unc_len,
355 (uchar *)image_start, &image_len) != 0) {
356 puts("GUNZIP: uncompress, out-of-mem or overwrite "
357 "error - must RESET board to recover\n");
358 if (boot_progress)
359 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
360 return BOOTM_ERR_RESET;
361 }
362
363 *load_end = load + image_len;
364 break;
365 #endif /* CONFIG_GZIP */
366 #ifdef CONFIG_BZIP2
367 case IH_COMP_BZIP2:
368 printf(" Uncompressing %s ... ", type_name);
369 /*
370 * If we've got less than 4 MB of malloc() space,
371 * use slower decompression algorithm which requires
372 * at most 2300 KB of memory.
373 */
374 int i = BZ2_bzBuffToBuffDecompress((char *)load,
375 &unc_len, (char *)image_start, image_len,
376 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
377 if (i != BZ_OK) {
378 printf("BUNZIP2: uncompress or overwrite error %d "
379 "- must RESET board to recover\n", i);
380 if (boot_progress)
381 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
382 return BOOTM_ERR_RESET;
383 }
384
385 *load_end = load + unc_len;
386 break;
387 #endif /* CONFIG_BZIP2 */
388 #ifdef CONFIG_LZMA
389 case IH_COMP_LZMA: {
390 SizeT lzma_len = unc_len;
391 printf(" Uncompressing %s ... ", type_name);
392
393 ret = lzmaBuffToBuffDecompress(
394 (unsigned char *)load, &lzma_len,
395 (unsigned char *)image_start, image_len);
396 unc_len = lzma_len;
397 if (ret != SZ_OK) {
398 printf("LZMA: uncompress or overwrite error %d "
399 "- must RESET board to recover\n", ret);
400 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
401 return BOOTM_ERR_RESET;
402 }
403 *load_end = load + unc_len;
404 break;
405 }
406 #endif /* CONFIG_LZMA */
407 #ifdef CONFIG_LZO
408 case IH_COMP_LZO:
409 printf(" Uncompressing %s ... ", type_name);
410
411 ret = lzop_decompress((const unsigned char *)image_start,
412 image_len, (unsigned char *)load,
413 &unc_len);
414 if (ret != LZO_E_OK) {
415 printf("LZO: uncompress or overwrite error %d "
416 "- must RESET board to recover\n", ret);
417 if (boot_progress)
418 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
419 return BOOTM_ERR_RESET;
420 }
421
422 *load_end = load + unc_len;
423 break;
424 #endif /* CONFIG_LZO */
425 default:
426 printf("Unimplemented compression type %d\n", comp);
427 return BOOTM_ERR_UNIMPLEMENTED;
428 }
429
430 flush_cache(load, (*load_end - load) * sizeof(ulong));
431
432 puts("OK\n");
433 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
434 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
435
436 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
437 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
438 blob_start, blob_end);
439 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
440 *load_end);
441
442 return BOOTM_ERR_OVERLAP;
443 }
444
445 return 0;
446 }
447
448 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
449 {
450 char *s;
451 int (*appl)(int, char * const []);
452
453 /* Don't start if "autostart" is set to "no" */
454 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
455 setenv_hex("filesize", images.os.image_len);
456 return 0;
457 }
458 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
459 (*appl)(argc-1, &argv[1]);
460 return 0;
461 }
462
463 /* we overload the cmd field with our state machine info instead of a
464 * function pointer */
465 static cmd_tbl_t cmd_bootm_sub[] = {
466 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
467 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
468 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
469 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
470 #endif
471 #ifdef CONFIG_OF_LIBFDT
472 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
473 #endif
474 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
475 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
476 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
477 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
478 };
479
480 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
481 char * const argv[])
482 {
483 int ret = 0;
484 long state;
485 cmd_tbl_t *c;
486 boot_os_fn *boot_fn;
487
488 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
489
490 if (c) {
491 state = (long)c->cmd;
492
493 /* treat start special since it resets the state machine */
494 if (state == BOOTM_STATE_START) {
495 argc--;
496 argv++;
497 return bootm_start(cmdtp, flag, argc, argv);
498 }
499 } else {
500 /* Unrecognized command */
501 return CMD_RET_USAGE;
502 }
503
504 if (images.state < BOOTM_STATE_START ||
505 images.state >= state) {
506 printf("Trying to execute a command out of order\n");
507 return CMD_RET_USAGE;
508 }
509
510 images.state |= state;
511 boot_fn = boot_os[images.os.os];
512
513 switch (state) {
514 ulong load_end;
515 case BOOTM_STATE_START:
516 /* should never occur */
517 break;
518 case BOOTM_STATE_LOADOS:
519 ret = bootm_load_os(images.os, &load_end, 0);
520 if (ret)
521 return ret;
522
523 lmb_reserve(&images.lmb, images.os.load,
524 (load_end - images.os.load));
525 break;
526 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
527 case BOOTM_STATE_RAMDISK:
528 {
529 ulong rd_len = images.rd_end - images.rd_start;
530
531 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
532 rd_len, &images.initrd_start, &images.initrd_end);
533 if (ret)
534 return ret;
535
536 setenv_hex("initrd_start", images.initrd_start);
537 setenv_hex("initrd_end", images.initrd_end);
538 }
539 break;
540 #endif
541 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
542 case BOOTM_STATE_FDT:
543 {
544 boot_fdt_add_mem_rsv_regions(&images.lmb,
545 images.ft_addr);
546 ret = boot_relocate_fdt(&images.lmb,
547 &images.ft_addr, &images.ft_len);
548 break;
549 }
550 #endif
551 case BOOTM_STATE_OS_CMDLINE:
552 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
553 if (ret)
554 printf("cmdline subcommand not supported\n");
555 break;
556 case BOOTM_STATE_OS_BD_T:
557 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
558 if (ret)
559 printf("bdt subcommand not supported\n");
560 break;
561 case BOOTM_STATE_OS_PREP:
562 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
563 if (ret)
564 printf("prep subcommand not supported\n");
565 break;
566 case BOOTM_STATE_OS_GO:
567 disable_interrupts();
568 #ifdef CONFIG_NETCONSOLE
569 /*
570 * Stop the ethernet stack if NetConsole could have
571 * left it up
572 */
573 eth_halt();
574 #endif
575 arch_preboot_os();
576 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
577 break;
578 }
579
580 return ret;
581 }
582
583 /*******************************************************************/
584 /* bootm - boot application image from image in memory */
585 /*******************************************************************/
586
587 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
588 {
589 ulong iflag;
590 ulong load_end = 0;
591 int ret;
592 boot_os_fn *boot_fn;
593 #ifdef CONFIG_NEEDS_MANUAL_RELOC
594 static int relocated = 0;
595
596 if (!relocated) {
597 int i;
598
599 /* relocate boot function table */
600 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
601 if (boot_os[i] != NULL)
602 boot_os[i] += gd->reloc_off;
603
604 /* relocate names of sub-command table */
605 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
606 cmd_bootm_sub[i].name += gd->reloc_off;
607
608 relocated = 1;
609 }
610 #endif
611
612 /* determine if we have a sub command */
613 if (argc > 1) {
614 char *endp;
615
616 simple_strtoul(argv[1], &endp, 16);
617 /* endp pointing to NULL means that argv[1] was just a
618 * valid number, pass it along to the normal bootm processing
619 *
620 * If endp is ':' or '#' assume a FIT identifier so pass
621 * along for normal processing.
622 *
623 * Right now we assume the first arg should never be '-'
624 */
625 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
626 return do_bootm_subcommand(cmdtp, flag, argc, argv);
627 }
628
629 if (bootm_start(cmdtp, flag, argc, argv))
630 return 1;
631
632 /*
633 * We have reached the point of no return: we are going to
634 * overwrite all exception vector code, so we cannot easily
635 * recover from any failures any more...
636 */
637 iflag = disable_interrupts();
638
639 #ifdef CONFIG_NETCONSOLE
640 /* Stop the ethernet stack if NetConsole could have left it up */
641 eth_halt();
642 #endif
643
644 #if defined(CONFIG_CMD_USB)
645 /*
646 * turn off USB to prevent the host controller from writing to the
647 * SDRAM while Linux is booting. This could happen (at least for OHCI
648 * controller), because the HCCA (Host Controller Communication Area)
649 * lies within the SDRAM and the host controller writes continously to
650 * this area (as busmaster!). The HccaFrameNumber is for example
651 * updated every 1 ms within the HCCA structure in SDRAM! For more
652 * details see the OpenHCI specification.
653 */
654 usb_stop();
655 #endif
656
657 ret = bootm_load_os(images.os, &load_end, 1);
658
659 if (ret < 0) {
660 if (ret == BOOTM_ERR_RESET)
661 do_reset(cmdtp, flag, argc, argv);
662 if (ret == BOOTM_ERR_OVERLAP) {
663 if (images.legacy_hdr_valid) {
664 image_header_t *hdr;
665 hdr = &images.legacy_hdr_os_copy;
666 if (image_get_type(hdr) == IH_TYPE_MULTI)
667 puts("WARNING: legacy format multi "
668 "component image "
669 "overwritten\n");
670 } else {
671 puts("ERROR: new format image overwritten - "
672 "must RESET the board to recover\n");
673 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
674 do_reset(cmdtp, flag, argc, argv);
675 }
676 }
677 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
678 if (iflag)
679 enable_interrupts();
680 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
681 return 1;
682 }
683 }
684
685 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
686
687 if (images.os.type == IH_TYPE_STANDALONE) {
688 if (iflag)
689 enable_interrupts();
690 /* This may return when 'autostart' is 'no' */
691 bootm_start_standalone(iflag, argc, argv);
692 return 0;
693 }
694
695 bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS);
696
697 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
698 if (images.os.os == IH_OS_LINUX)
699 fixup_silent_linux();
700 #endif
701
702 boot_fn = boot_os[images.os.os];
703
704 if (boot_fn == NULL) {
705 if (iflag)
706 enable_interrupts();
707 printf("ERROR: booting os '%s' (%d) is not supported\n",
708 genimg_get_os_name(images.os.os), images.os.os);
709 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
710 return 1;
711 }
712
713 arch_preboot_os();
714
715 boot_fn(0, argc, argv, &images);
716
717 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
718 #ifdef DEBUG
719 puts("\n## Control returned to monitor - resetting...\n");
720 #endif
721 do_reset(cmdtp, flag, argc, argv);
722
723 return 1;
724 }
725
726 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
727 {
728 const char *ep = getenv("autostart");
729
730 if (ep && !strcmp(ep, "yes")) {
731 char *local_args[2];
732 local_args[0] = (char *)cmd;
733 local_args[1] = NULL;
734 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
735 return do_bootm(cmdtp, 0, 1, local_args);
736 }
737
738 return 0;
739 }
740
741 /**
742 * image_get_kernel - verify legacy format kernel image
743 * @img_addr: in RAM address of the legacy format image to be verified
744 * @verify: data CRC verification flag
745 *
746 * image_get_kernel() verifies legacy image integrity and returns pointer to
747 * legacy image header if image verification was completed successfully.
748 *
749 * returns:
750 * pointer to a legacy image header if valid image was found
751 * otherwise return NULL
752 */
753 static image_header_t *image_get_kernel(ulong img_addr, int verify)
754 {
755 image_header_t *hdr = (image_header_t *)img_addr;
756
757 if (!image_check_magic(hdr)) {
758 puts("Bad Magic Number\n");
759 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
760 return NULL;
761 }
762 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
763
764 if (!image_check_hcrc(hdr)) {
765 puts("Bad Header Checksum\n");
766 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
767 return NULL;
768 }
769
770 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
771 image_print_contents(hdr);
772
773 if (verify) {
774 puts(" Verifying Checksum ... ");
775 if (!image_check_dcrc(hdr)) {
776 printf("Bad Data CRC\n");
777 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
778 return NULL;
779 }
780 puts("OK\n");
781 }
782 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
783
784 if (!image_check_target_arch(hdr)) {
785 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
786 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
787 return NULL;
788 }
789 return hdr;
790 }
791
792 /**
793 * fit_check_kernel - verify FIT format kernel subimage
794 * @fit_hdr: pointer to the FIT image header
795 * os_noffset: kernel subimage node offset within FIT image
796 * @verify: data CRC verification flag
797 *
798 * fit_check_kernel() verifies integrity of the kernel subimage and from
799 * specified FIT image.
800 *
801 * returns:
802 * 1, on success
803 * 0, on failure
804 */
805 #if defined(CONFIG_FIT)
806 static int fit_check_kernel(const void *fit, int os_noffset, int verify)
807 {
808 fit_image_print(fit, os_noffset, " ");
809
810 if (verify) {
811 puts(" Verifying Hash Integrity ... ");
812 if (!fit_image_check_hashes(fit, os_noffset)) {
813 puts("Bad Data Hash\n");
814 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_HASH);
815 return 0;
816 }
817 puts("OK\n");
818 }
819 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_ARCH);
820
821 if (!fit_image_check_target_arch(fit, os_noffset)) {
822 puts("Unsupported Architecture\n");
823 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_ARCH);
824 return 0;
825 }
826
827 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
828 if (!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL) &&
829 !fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL_NOLOAD)) {
830 puts("Not a kernel image\n");
831 bootstage_error(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
832 return 0;
833 }
834
835 bootstage_mark(BOOTSTAGE_ID_FIT_CHECKED);
836 return 1;
837 }
838 #endif /* CONFIG_FIT */
839
840 /**
841 * boot_get_kernel - find kernel image
842 * @os_data: pointer to a ulong variable, will hold os data start address
843 * @os_len: pointer to a ulong variable, will hold os data length
844 *
845 * boot_get_kernel() tries to find a kernel image, verifies its integrity
846 * and locates kernel data.
847 *
848 * returns:
849 * pointer to image header if valid image was found, plus kernel start
850 * address and length, otherwise NULL
851 */
852 static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
853 char * const argv[], bootm_headers_t *images, ulong *os_data,
854 ulong *os_len)
855 {
856 image_header_t *hdr;
857 ulong img_addr;
858 #if defined(CONFIG_FIT)
859 void *fit_hdr;
860 const char *fit_uname_config = NULL;
861 const char *fit_uname_kernel = NULL;
862 const void *data;
863 size_t len;
864 int cfg_noffset;
865 int os_noffset;
866 #endif
867
868 /* find out kernel image address */
869 if (argc < 2) {
870 img_addr = load_addr;
871 debug("* kernel: default image load address = 0x%08lx\n",
872 load_addr);
873 #if defined(CONFIG_FIT)
874 } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
875 &fit_uname_config)) {
876 debug("* kernel: config '%s' from image at 0x%08lx\n",
877 fit_uname_config, img_addr);
878 } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
879 &fit_uname_kernel)) {
880 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
881 fit_uname_kernel, img_addr);
882 #endif
883 } else {
884 img_addr = simple_strtoul(argv[1], NULL, 16);
885 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
886 }
887
888 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
889
890 /* copy from dataflash if needed */
891 img_addr = genimg_get_image(img_addr);
892
893 /* check image type, for FIT images get FIT kernel node */
894 *os_data = *os_len = 0;
895 switch (genimg_get_format((void *)img_addr)) {
896 case IMAGE_FORMAT_LEGACY:
897 printf("## Booting kernel from Legacy Image at %08lx ...\n",
898 img_addr);
899 hdr = image_get_kernel(img_addr, images->verify);
900 if (!hdr)
901 return NULL;
902 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
903
904 /* get os_data and os_len */
905 switch (image_get_type(hdr)) {
906 case IH_TYPE_KERNEL:
907 case IH_TYPE_KERNEL_NOLOAD:
908 *os_data = image_get_data(hdr);
909 *os_len = image_get_data_size(hdr);
910 break;
911 case IH_TYPE_MULTI:
912 image_multi_getimg(hdr, 0, os_data, os_len);
913 break;
914 case IH_TYPE_STANDALONE:
915 *os_data = image_get_data(hdr);
916 *os_len = image_get_data_size(hdr);
917 break;
918 default:
919 printf("Wrong Image Type for %s command\n",
920 cmdtp->name);
921 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
922 return NULL;
923 }
924
925 /*
926 * copy image header to allow for image overwrites during
927 * kernel decompression.
928 */
929 memmove(&images->legacy_hdr_os_copy, hdr,
930 sizeof(image_header_t));
931
932 /* save pointer to image header */
933 images->legacy_hdr_os = hdr;
934
935 images->legacy_hdr_valid = 1;
936 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
937 break;
938 #if defined(CONFIG_FIT)
939 case IMAGE_FORMAT_FIT:
940 fit_hdr = (void *)img_addr;
941 printf("## Booting kernel from FIT Image at %08lx ...\n",
942 img_addr);
943
944 if (!fit_check_format(fit_hdr)) {
945 puts("Bad FIT kernel image format!\n");
946 bootstage_error(BOOTSTAGE_ID_FIT_FORMAT);
947 return NULL;
948 }
949 bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT);
950
951 if (!fit_uname_kernel) {
952 /*
953 * no kernel image node unit name, try to get config
954 * node first. If config unit node name is NULL
955 * fit_conf_get_node() will try to find default config
956 * node
957 */
958 bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
959 #ifdef CONFIG_FIT_BEST_MATCH
960 if (fit_uname_config)
961 cfg_noffset =
962 fit_conf_get_node(fit_hdr,
963 fit_uname_config);
964 else
965 cfg_noffset =
966 fit_conf_find_compat(fit_hdr,
967 gd->fdt_blob);
968 #else
969 cfg_noffset = fit_conf_get_node(fit_hdr,
970 fit_uname_config);
971 #endif
972 if (cfg_noffset < 0) {
973 bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
974 return NULL;
975 }
976 /* save configuration uname provided in the first
977 * bootm argument
978 */
979 images->fit_uname_cfg = fdt_get_name(fit_hdr,
980 cfg_noffset,
981 NULL);
982 printf(" Using '%s' configuration\n",
983 images->fit_uname_cfg);
984 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
985
986 os_noffset = fit_conf_get_kernel_node(fit_hdr,
987 cfg_noffset);
988 fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
989 NULL);
990 } else {
991 /* get kernel component image node offset */
992 bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME);
993 os_noffset = fit_image_get_node(fit_hdr,
994 fit_uname_kernel);
995 }
996 if (os_noffset < 0) {
997 bootstage_error(BOOTSTAGE_ID_FIT_CONFIG);
998 return NULL;
999 }
1000
1001 printf(" Trying '%s' kernel subimage\n", fit_uname_kernel);
1002
1003 bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE);
1004 if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
1005 return NULL;
1006
1007 /* get kernel image data address and length */
1008 if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
1009 puts("Could not find kernel subimage data!\n");
1010 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR);
1011 return NULL;
1012 }
1013 bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1014
1015 *os_len = len;
1016 *os_data = (ulong)data;
1017 images->fit_hdr_os = fit_hdr;
1018 images->fit_uname_os = fit_uname_kernel;
1019 images->fit_noffset_os = os_noffset;
1020 break;
1021 #endif
1022 default:
1023 printf("Wrong Image Format for %s command\n", cmdtp->name);
1024 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1025 return NULL;
1026 }
1027
1028 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1029 *os_data, *os_len, *os_len);
1030
1031 return (void *)img_addr;
1032 }
1033
1034 #ifdef CONFIG_SYS_LONGHELP
1035 static char bootm_help_text[] =
1036 "[addr [arg ...]]\n - boot application image stored in memory\n"
1037 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1038 "\t'arg' can be the address of an initrd image\n"
1039 #if defined(CONFIG_OF_LIBFDT)
1040 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1041 "\ta third argument is required which is the address of the\n"
1042 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1043 "\tuse a '-' for the second argument. If you do not pass a third\n"
1044 "\ta bd_info struct will be passed instead\n"
1045 #endif
1046 #if defined(CONFIG_FIT)
1047 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1048 "\tmust be extened to include component or configuration unit name:\n"
1049 "\taddr:<subimg_uname> - direct component image specification\n"
1050 "\taddr#<conf_uname> - configuration specification\n"
1051 "\tUse iminfo command to get the list of existing component\n"
1052 "\timages and configurations.\n"
1053 #endif
1054 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1055 "must be\n"
1056 "issued in the order below (it's ok to not issue all sub-commands):\n"
1057 "\tstart [addr [arg ...]]\n"
1058 "\tloados - load OS image\n"
1059 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1060 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1061 #endif
1062 #if defined(CONFIG_OF_LIBFDT)
1063 "\tfdt - relocate flat device tree\n"
1064 #endif
1065 "\tcmdline - OS specific command line processing/setup\n"
1066 "\tbdt - OS specific bd_t processing\n"
1067 "\tprep - OS specific prep before relocation or go\n"
1068 "\tgo - start OS";
1069 #endif
1070
1071 U_BOOT_CMD(
1072 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1073 "boot application image from memory", bootm_help_text
1074 );
1075
1076 /*******************************************************************/
1077 /* bootd - boot default image */
1078 /*******************************************************************/
1079 #if defined(CONFIG_CMD_BOOTD)
1080 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1081 {
1082 int rcode = 0;
1083
1084 if (run_command(getenv("bootcmd"), flag) < 0)
1085 rcode = 1;
1086 return rcode;
1087 }
1088
1089 U_BOOT_CMD(
1090 boot, 1, 1, do_bootd,
1091 "boot default, i.e., run 'bootcmd'",
1092 ""
1093 );
1094
1095 /* keep old command name "bootd" for backward compatibility */
1096 U_BOOT_CMD(
1097 bootd, 1, 1, do_bootd,
1098 "boot default, i.e., run 'bootcmd'",
1099 ""
1100 );
1101
1102 #endif
1103
1104
1105 /*******************************************************************/
1106 /* iminfo - print header info for a requested image */
1107 /*******************************************************************/
1108 #if defined(CONFIG_CMD_IMI)
1109 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1110 {
1111 int arg;
1112 ulong addr;
1113 int rcode = 0;
1114
1115 if (argc < 2) {
1116 return image_info(load_addr);
1117 }
1118
1119 for (arg = 1; arg < argc; ++arg) {
1120 addr = simple_strtoul(argv[arg], NULL, 16);
1121 if (image_info(addr) != 0)
1122 rcode = 1;
1123 }
1124 return rcode;
1125 }
1126
1127 static int image_info(ulong addr)
1128 {
1129 void *hdr = (void *)addr;
1130
1131 printf("\n## Checking Image at %08lx ...\n", addr);
1132
1133 switch (genimg_get_format(hdr)) {
1134 case IMAGE_FORMAT_LEGACY:
1135 puts(" Legacy image found\n");
1136 if (!image_check_magic(hdr)) {
1137 puts(" Bad Magic Number\n");
1138 return 1;
1139 }
1140
1141 if (!image_check_hcrc(hdr)) {
1142 puts(" Bad Header Checksum\n");
1143 return 1;
1144 }
1145
1146 image_print_contents(hdr);
1147
1148 puts(" Verifying Checksum ... ");
1149 if (!image_check_dcrc(hdr)) {
1150 puts(" Bad Data CRC\n");
1151 return 1;
1152 }
1153 puts("OK\n");
1154 return 0;
1155 #if defined(CONFIG_FIT)
1156 case IMAGE_FORMAT_FIT:
1157 puts(" FIT image found\n");
1158
1159 if (!fit_check_format(hdr)) {
1160 puts("Bad FIT image format!\n");
1161 return 1;
1162 }
1163
1164 fit_print_contents(hdr);
1165
1166 if (!fit_all_image_check_hashes(hdr)) {
1167 puts("Bad hash in FIT image!\n");
1168 return 1;
1169 }
1170
1171 return 0;
1172 #endif
1173 default:
1174 puts("Unknown image format!\n");
1175 break;
1176 }
1177
1178 return 1;
1179 }
1180
1181 U_BOOT_CMD(
1182 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1183 "print header information for application image",
1184 "addr [addr ...]\n"
1185 " - print header information for application image starting at\n"
1186 " address 'addr' in memory; this includes verification of the\n"
1187 " image contents (magic number, header and payload checksums)"
1188 );
1189 #endif
1190
1191
1192 /*******************************************************************/
1193 /* imls - list all images found in flash */
1194 /*******************************************************************/
1195 #if defined(CONFIG_CMD_IMLS)
1196 static int do_imls_nor(void)
1197 {
1198 flash_info_t *info;
1199 int i, j;
1200 void *hdr;
1201
1202 for (i = 0, info = &flash_info[0];
1203 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1204
1205 if (info->flash_id == FLASH_UNKNOWN)
1206 goto next_bank;
1207 for (j = 0; j < info->sector_count; ++j) {
1208
1209 hdr = (void *)info->start[j];
1210 if (!hdr)
1211 goto next_sector;
1212
1213 switch (genimg_get_format(hdr)) {
1214 case IMAGE_FORMAT_LEGACY:
1215 if (!image_check_hcrc(hdr))
1216 goto next_sector;
1217
1218 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1219 image_print_contents(hdr);
1220
1221 puts(" Verifying Checksum ... ");
1222 if (!image_check_dcrc(hdr)) {
1223 puts("Bad Data CRC\n");
1224 } else {
1225 puts("OK\n");
1226 }
1227 break;
1228 #if defined(CONFIG_FIT)
1229 case IMAGE_FORMAT_FIT:
1230 if (!fit_check_format(hdr))
1231 goto next_sector;
1232
1233 printf("FIT Image at %08lX:\n", (ulong)hdr);
1234 fit_print_contents(hdr);
1235 break;
1236 #endif
1237 default:
1238 goto next_sector;
1239 }
1240
1241 next_sector: ;
1242 }
1243 next_bank: ;
1244 }
1245 return 0;
1246 }
1247 #endif
1248
1249 #if defined(CONFIG_CMD_IMLS_NAND)
1250 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1251 size_t len)
1252 {
1253 void *imgdata;
1254 int ret;
1255
1256 imgdata = malloc(len);
1257 if (!imgdata) {
1258 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1259 nand_dev, off);
1260 printf(" Low memory(cannot allocate memory for image)\n");
1261 return -ENOMEM;
1262 }
1263
1264 ret = nand_read_skip_bad(nand, off, &len,
1265 imgdata);
1266 if (ret < 0 && ret != -EUCLEAN) {
1267 free(imgdata);
1268 return ret;
1269 }
1270
1271 if (!image_check_hcrc(imgdata)) {
1272 free(imgdata);
1273 return 0;
1274 }
1275
1276 printf("Legacy Image at NAND device %d offset %08llX:\n",
1277 nand_dev, off);
1278 image_print_contents(imgdata);
1279
1280 puts(" Verifying Checksum ... ");
1281 if (!image_check_dcrc(imgdata))
1282 puts("Bad Data CRC\n");
1283 else
1284 puts("OK\n");
1285
1286 free(imgdata);
1287
1288 return 0;
1289 }
1290
1291 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1292 size_t len)
1293 {
1294 void *imgdata;
1295 int ret;
1296
1297 imgdata = malloc(len);
1298 if (!imgdata) {
1299 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1300 nand_dev, off);
1301 printf(" Low memory(cannot allocate memory for image)\n");
1302 return -ENOMEM;
1303 }
1304
1305 ret = nand_read_skip_bad(nand, off, &len,
1306 imgdata);
1307 if (ret < 0 && ret != -EUCLEAN) {
1308 free(imgdata);
1309 return ret;
1310 }
1311
1312 if (!fit_check_format(imgdata)) {
1313 free(imgdata);
1314 return 0;
1315 }
1316
1317 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1318
1319 fit_print_contents(imgdata);
1320 free(imgdata);
1321
1322 return 0;
1323 }
1324
1325 static int do_imls_nand(void)
1326 {
1327 nand_info_t *nand;
1328 int nand_dev = nand_curr_device;
1329 size_t len;
1330 loff_t off;
1331 u32 buffer[16];
1332
1333 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1334 puts("\nNo NAND devices available\n");
1335 return -ENODEV;
1336 }
1337
1338 printf("\n");
1339
1340 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1341 nand = &nand_info[nand_dev];
1342 if (!nand->name || !nand->size)
1343 continue;
1344
1345 for (off = 0; off < nand->size; off += nand->erasesize) {
1346 const image_header_t *header;
1347 int ret;
1348
1349 if (nand_block_isbad(nand, off))
1350 continue;
1351
1352 len = sizeof(buffer);
1353
1354 ret = nand_read(nand, off, &len, (u8 *)buffer);
1355 if (ret < 0 && ret != -EUCLEAN) {
1356 printf("NAND read error %d at offset %08llX\n",
1357 ret, off);
1358 continue;
1359 }
1360
1361 switch (genimg_get_format(buffer)) {
1362 case IMAGE_FORMAT_LEGACY:
1363 header = (const image_header_t *)buffer;
1364
1365 len = image_get_image_size(header);
1366 nand_imls_legacyimage(nand, nand_dev, off, len);
1367 break;
1368 #if defined(CONFIG_FIT)
1369 case IMAGE_FORMAT_FIT:
1370 len = fit_get_size(buffer);
1371 nand_imls_fitimage(nand, nand_dev, off, len);
1372 break;
1373 #endif
1374 }
1375 }
1376 }
1377
1378 return 0;
1379 }
1380 #endif
1381
1382 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1383 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1384 {
1385 int ret_nor = 0, ret_nand = 0;
1386
1387 #if defined(CONFIG_CMD_IMLS)
1388 ret_nor = do_imls_nor();
1389 #endif
1390
1391 #if defined(CONFIG_CMD_IMLS_NAND)
1392 ret_nand = do_imls_nand();
1393 #endif
1394
1395 if (ret_nor)
1396 return ret_nor;
1397
1398 if (ret_nand)
1399 return ret_nand;
1400
1401 return (0);
1402 }
1403
1404 U_BOOT_CMD(
1405 imls, 1, 1, do_imls,
1406 "list all images found in flash",
1407 "\n"
1408 " - Prints information about all images found at sector/block\n"
1409 " boundaries in nor/nand flash."
1410 );
1411 #endif
1412
1413 /*******************************************************************/
1414 /* helper routines */
1415 /*******************************************************************/
1416 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1417 static void fixup_silent_linux(void)
1418 {
1419 char buf[256], *start, *end;
1420 char *cmdline = getenv("bootargs");
1421
1422 /* Only fix cmdline when requested */
1423 if (!(gd->flags & GD_FLG_SILENT))
1424 return;
1425
1426 debug("before silent fix-up: %s\n", cmdline);
1427 if (cmdline) {
1428 start = strstr(cmdline, "console=");
1429 if (start) {
1430 end = strchr(start, ' ');
1431 strncpy(buf, cmdline, (start - cmdline + 8));
1432 if (end)
1433 strcpy(buf + (start - cmdline + 8), end);
1434 else
1435 buf[start - cmdline + 8] = '\0';
1436 } else {
1437 strcpy(buf, cmdline);
1438 strcat(buf, " console=");
1439 }
1440 } else {
1441 strcpy(buf, "console=");
1442 }
1443
1444 setenv("bootargs", buf);
1445 debug("after silent fix-up: %s\n", buf);
1446 }
1447 #endif /* CONFIG_SILENT_CONSOLE */
1448
1449
1450 /*******************************************************************/
1451 /* OS booting routines */
1452 /*******************************************************************/
1453
1454 #ifdef CONFIG_BOOTM_NETBSD
1455 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1456 bootm_headers_t *images)
1457 {
1458 void (*loader)(bd_t *, image_header_t *, char *, char *);
1459 image_header_t *os_hdr, *hdr;
1460 ulong kernel_data, kernel_len;
1461 char *consdev;
1462 char *cmdline;
1463
1464 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1465 return 1;
1466
1467 #if defined(CONFIG_FIT)
1468 if (!images->legacy_hdr_valid) {
1469 fit_unsupported_reset("NetBSD");
1470 return 1;
1471 }
1472 #endif
1473 hdr = images->legacy_hdr_os;
1474
1475 /*
1476 * Booting a (NetBSD) kernel image
1477 *
1478 * This process is pretty similar to a standalone application:
1479 * The (first part of an multi-) image must be a stage-2 loader,
1480 * which in turn is responsible for loading & invoking the actual
1481 * kernel. The only differences are the parameters being passed:
1482 * besides the board info strucure, the loader expects a command
1483 * line, the name of the console device, and (optionally) the
1484 * address of the original image header.
1485 */
1486 os_hdr = NULL;
1487 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1488 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1489 if (kernel_len)
1490 os_hdr = hdr;
1491 }
1492
1493 consdev = "";
1494 #if defined(CONFIG_8xx_CONS_SMC1)
1495 consdev = "smc1";
1496 #elif defined(CONFIG_8xx_CONS_SMC2)
1497 consdev = "smc2";
1498 #elif defined(CONFIG_8xx_CONS_SCC2)
1499 consdev = "scc2";
1500 #elif defined(CONFIG_8xx_CONS_SCC3)
1501 consdev = "scc3";
1502 #endif
1503
1504 if (argc > 2) {
1505 ulong len;
1506 int i;
1507
1508 for (i = 2, len = 0; i < argc; i += 1)
1509 len += strlen(argv[i]) + 1;
1510 cmdline = malloc(len);
1511
1512 for (i = 2, len = 0; i < argc; i += 1) {
1513 if (i > 2)
1514 cmdline[len++] = ' ';
1515 strcpy(&cmdline[len], argv[i]);
1516 len += strlen(argv[i]);
1517 }
1518 } else if ((cmdline = getenv("bootargs")) == NULL) {
1519 cmdline = "";
1520 }
1521
1522 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1523
1524 printf("## Transferring control to NetBSD stage-2 loader "
1525 "(at address %08lx) ...\n",
1526 (ulong)loader);
1527
1528 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1529
1530 /*
1531 * NetBSD Stage-2 Loader Parameters:
1532 * r3: ptr to board info data
1533 * r4: image address
1534 * r5: console device
1535 * r6: boot args string
1536 */
1537 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1538
1539 return 1;
1540 }
1541 #endif /* CONFIG_BOOTM_NETBSD*/
1542
1543 #ifdef CONFIG_LYNXKDI
1544 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1545 bootm_headers_t *images)
1546 {
1547 image_header_t *hdr = &images->legacy_hdr_os_copy;
1548
1549 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1550 return 1;
1551
1552 #if defined(CONFIG_FIT)
1553 if (!images->legacy_hdr_valid) {
1554 fit_unsupported_reset("Lynx");
1555 return 1;
1556 }
1557 #endif
1558
1559 lynxkdi_boot((image_header_t *)hdr);
1560
1561 return 1;
1562 }
1563 #endif /* CONFIG_LYNXKDI */
1564
1565 #ifdef CONFIG_BOOTM_RTEMS
1566 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1567 bootm_headers_t *images)
1568 {
1569 void (*entry_point)(bd_t *);
1570
1571 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1572 return 1;
1573
1574 #if defined(CONFIG_FIT)
1575 if (!images->legacy_hdr_valid) {
1576 fit_unsupported_reset("RTEMS");
1577 return 1;
1578 }
1579 #endif
1580
1581 entry_point = (void (*)(bd_t *))images->ep;
1582
1583 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1584 (ulong)entry_point);
1585
1586 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1587
1588 /*
1589 * RTEMS Parameters:
1590 * r3: ptr to board info data
1591 */
1592 (*entry_point)(gd->bd);
1593
1594 return 1;
1595 }
1596 #endif /* CONFIG_BOOTM_RTEMS */
1597
1598 #if defined(CONFIG_BOOTM_OSE)
1599 static int do_bootm_ose(int flag, int argc, char * const argv[],
1600 bootm_headers_t *images)
1601 {
1602 void (*entry_point)(void);
1603
1604 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1605 return 1;
1606
1607 #if defined(CONFIG_FIT)
1608 if (!images->legacy_hdr_valid) {
1609 fit_unsupported_reset("OSE");
1610 return 1;
1611 }
1612 #endif
1613
1614 entry_point = (void (*)(void))images->ep;
1615
1616 printf("## Transferring control to OSE (at address %08lx) ...\n",
1617 (ulong)entry_point);
1618
1619 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1620
1621 /*
1622 * OSE Parameters:
1623 * None
1624 */
1625 (*entry_point)();
1626
1627 return 1;
1628 }
1629 #endif /* CONFIG_BOOTM_OSE */
1630
1631 #if defined(CONFIG_CMD_ELF)
1632 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1633 bootm_headers_t *images)
1634 {
1635 char str[80];
1636
1637 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1638 return 1;
1639
1640 #if defined(CONFIG_FIT)
1641 if (!images->legacy_hdr_valid) {
1642 fit_unsupported_reset("VxWorks");
1643 return 1;
1644 }
1645 #endif
1646
1647 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1648 setenv("loadaddr", str);
1649 do_bootvx(NULL, 0, 0, NULL);
1650
1651 return 1;
1652 }
1653
1654 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1655 bootm_headers_t *images)
1656 {
1657 char *local_args[2];
1658 char str[16];
1659
1660 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1661 return 1;
1662
1663 #if defined(CONFIG_FIT)
1664 if (!images->legacy_hdr_valid) {
1665 fit_unsupported_reset("QNX");
1666 return 1;
1667 }
1668 #endif
1669
1670 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1671 local_args[0] = argv[0];
1672 local_args[1] = str; /* and provide it via the arguments */
1673 do_bootelf(NULL, 0, 2, local_args);
1674
1675 return 1;
1676 }
1677 #endif
1678
1679 #ifdef CONFIG_INTEGRITY
1680 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1681 bootm_headers_t *images)
1682 {
1683 void (*entry_point)(void);
1684
1685 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1686 return 1;
1687
1688 #if defined(CONFIG_FIT)
1689 if (!images->legacy_hdr_valid) {
1690 fit_unsupported_reset("INTEGRITY");
1691 return 1;
1692 }
1693 #endif
1694
1695 entry_point = (void (*)(void))images->ep;
1696
1697 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1698 (ulong)entry_point);
1699
1700 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1701
1702 /*
1703 * INTEGRITY Parameters:
1704 * None
1705 */
1706 (*entry_point)();
1707
1708 return 1;
1709 }
1710 #endif
1711
1712 #ifdef CONFIG_CMD_BOOTZ
1713
1714 static int __bootz_setup(void *image, void **start, void **end)
1715 {
1716 /* Please define bootz_setup() for your platform */
1717
1718 puts("Your platform's zImage format isn't supported yet!\n");
1719 return -1;
1720 }
1721 int bootz_setup(void *image, void **start, void **end)
1722 __attribute__((weak, alias("__bootz_setup")));
1723
1724 /*
1725 * zImage booting support
1726 */
1727 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1728 char * const argv[], bootm_headers_t *images)
1729 {
1730 int ret;
1731 void *zi_start, *zi_end;
1732
1733 memset(images, 0, sizeof(bootm_headers_t));
1734
1735 boot_start_lmb(images);
1736
1737 /* Setup Linux kernel zImage entry point */
1738 if (argc < 2) {
1739 images->ep = load_addr;
1740 debug("* kernel: default image load address = 0x%08lx\n",
1741 load_addr);
1742 } else {
1743 images->ep = simple_strtoul(argv[1], NULL, 16);
1744 debug("* kernel: cmdline image address = 0x%08lx\n",
1745 images->ep);
1746 }
1747
1748 ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
1749 if (ret != 0)
1750 return 1;
1751
1752 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1753
1754 /* Find ramdisk */
1755 ret = boot_get_ramdisk(argc, argv, images, IH_INITRD_ARCH,
1756 &images->rd_start, &images->rd_end);
1757 if (ret) {
1758 puts("Ramdisk image is corrupt or invalid\n");
1759 return 1;
1760 }
1761
1762 #if defined(CONFIG_OF_LIBFDT)
1763 /* find flattened device tree */
1764 ret = boot_get_fdt(flag, argc, argv, images,
1765 &images->ft_addr, &images->ft_len);
1766 if (ret) {
1767 puts("Could not find a valid device tree\n");
1768 return 1;
1769 }
1770
1771 set_working_fdt_addr(images->ft_addr);
1772 #endif
1773
1774 return 0;
1775 }
1776
1777 static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1778 {
1779 bootm_headers_t images;
1780
1781 if (bootz_start(cmdtp, flag, argc, argv, &images))
1782 return 1;
1783
1784 /*
1785 * We have reached the point of no return: we are going to
1786 * overwrite all exception vector code, so we cannot easily
1787 * recover from any failures any more...
1788 */
1789 disable_interrupts();
1790
1791 #ifdef CONFIG_NETCONSOLE
1792 /* Stop the ethernet stack if NetConsole could have left it up */
1793 eth_halt();
1794 #endif
1795
1796 #if defined(CONFIG_CMD_USB)
1797 /*
1798 * turn off USB to prevent the host controller from writing to the
1799 * SDRAM while Linux is booting. This could happen (at least for OHCI
1800 * controller), because the HCCA (Host Controller Communication Area)
1801 * lies within the SDRAM and the host controller writes continously to
1802 * this area (as busmaster!). The HccaFrameNumber is for example
1803 * updated every 1 ms within the HCCA structure in SDRAM! For more
1804 * details see the OpenHCI specification.
1805 */
1806 usb_stop();
1807 #endif
1808
1809 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1810 fixup_silent_linux();
1811 #endif
1812 arch_preboot_os();
1813
1814 do_bootm_linux(0, argc, argv, &images);
1815 #ifdef DEBUG
1816 puts("\n## Control returned to monitor - resetting...\n");
1817 #endif
1818 do_reset(cmdtp, flag, argc, argv);
1819
1820 return 1;
1821 }
1822
1823 #ifdef CONFIG_SYS_LONGHELP
1824 static char bootz_help_text[] =
1825 "[addr [initrd[:size]] [fdt]]\n"
1826 " - boot Linux zImage stored in memory\n"
1827 "\tThe argument 'initrd' is optional and specifies the address\n"
1828 "\tof the initrd in memory. The optional argument ':size' allows\n"
1829 "\tspecifying the size of RAW initrd.\n"
1830 #if defined(CONFIG_OF_LIBFDT)
1831 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1832 "\ta third argument is required which is the address of the\n"
1833 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1834 "\tuse a '-' for the second argument. If you do not pass a third\n"
1835 "\ta bd_info struct will be passed instead\n"
1836 #endif
1837 "";
1838 #endif
1839
1840 U_BOOT_CMD(
1841 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1842 "boot Linux zImage image from memory", bootz_help_text
1843 );
1844 #endif /* CONFIG_CMD_BOOTZ */
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