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Merge branch 'master' of git://git.denx.de/u-boot-video
[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 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8
9 /*
10 * Boot support
11 */
12 #include <common.h>
13 #include <watchdog.h>
14 #include <command.h>
15 #include <image.h>
16 #include <malloc.h>
17 #include <u-boot/zlib.h>
18 #include <bzlib.h>
19 #include <environment.h>
20 #include <lmb.h>
21 #include <linux/ctype.h>
22 #include <asm/byteorder.h>
23 #include <asm/io.h>
24 #include <linux/compiler.h>
25
26 #if defined(CONFIG_BOOTM_VXWORKS) && \
27 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
28 #include <vxworks.h>
29 #endif
30
31 #if defined(CONFIG_CMD_USB)
32 #include <usb.h>
33 #endif
34
35 #ifdef CONFIG_SYS_HUSH_PARSER
36 #include <hush.h>
37 #endif
38
39 #if defined(CONFIG_OF_LIBFDT)
40 #include <libfdt.h>
41 #include <fdt_support.h>
42 #endif
43
44 #ifdef CONFIG_LZMA
45 #include <lzma/LzmaTypes.h>
46 #include <lzma/LzmaDec.h>
47 #include <lzma/LzmaTools.h>
48 #endif /* CONFIG_LZMA */
49
50 #ifdef CONFIG_LZO
51 #include <linux/lzo.h>
52 #endif /* CONFIG_LZO */
53
54 DECLARE_GLOBAL_DATA_PTR;
55
56 #ifndef CONFIG_SYS_BOOTM_LEN
57 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
58 #endif
59
60 #ifdef CONFIG_BZIP2
61 extern void bz_internal_error(int);
62 #endif
63
64 #if defined(CONFIG_CMD_IMI)
65 static int image_info(unsigned long addr);
66 #endif
67
68 #if defined(CONFIG_CMD_IMLS)
69 #include <flash.h>
70 #include <mtd/cfi_flash.h>
71 extern flash_info_t flash_info[]; /* info for FLASH chips */
72 #endif
73
74 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
75 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
76 #endif
77
78 #include <linux/err.h>
79 #include <nand.h>
80
81 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
82 static void fixup_silent_linux(void);
83 #endif
84
85 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
86 char * const argv[], bootm_headers_t *images,
87 ulong *os_data, ulong *os_len);
88
89 /*
90 * Continue booting an OS image; caller already has:
91 * - copied image header to global variable `header'
92 * - checked header magic number, checksums (both header & image),
93 * - verified image architecture (PPC) and type (KERNEL or MULTI),
94 * - loaded (first part of) image to header load address,
95 * - disabled interrupts.
96 *
97 * @flag: Flags indicating what to do (BOOTM_STATE_...)
98 * @argc: Number of arguments. Note that the arguments are shifted down
99 * so that 0 is the first argument not processed by U-Boot, and
100 * argc is adjusted accordingly. This avoids confusion as to how
101 * many arguments are available for the OS.
102 * @images: Pointers to os/initrd/fdt
103 * @return 1 on error. On success the OS boots so this function does
104 * not return.
105 */
106 typedef int boot_os_fn(int flag, int argc, char * const argv[],
107 bootm_headers_t *images);
108
109 #ifdef CONFIG_BOOTM_LINUX
110 extern boot_os_fn do_bootm_linux;
111 #endif
112 #ifdef CONFIG_BOOTM_NETBSD
113 static boot_os_fn do_bootm_netbsd;
114 #endif
115 #if defined(CONFIG_LYNXKDI)
116 static boot_os_fn do_bootm_lynxkdi;
117 extern void lynxkdi_boot(image_header_t *);
118 #endif
119 #ifdef CONFIG_BOOTM_RTEMS
120 static boot_os_fn do_bootm_rtems;
121 #endif
122 #if defined(CONFIG_BOOTM_OSE)
123 static boot_os_fn do_bootm_ose;
124 #endif
125 #if defined(CONFIG_BOOTM_PLAN9)
126 static boot_os_fn do_bootm_plan9;
127 #endif
128 #if defined(CONFIG_BOOTM_VXWORKS) && \
129 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
130 static boot_os_fn do_bootm_vxworks;
131 #endif
132 #if defined(CONFIG_CMD_ELF)
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_BOOTM_PLAN9)
158 [IH_OS_PLAN9] = do_bootm_plan9,
159 #endif
160 #if defined(CONFIG_BOOTM_VXWORKS) && \
161 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
162 [IH_OS_VXWORKS] = do_bootm_vxworks,
163 #endif
164 #if defined(CONFIG_CMD_ELF)
165 [IH_OS_QNX] = do_bootm_qnxelf,
166 #endif
167 #ifdef CONFIG_INTEGRITY
168 [IH_OS_INTEGRITY] = do_bootm_integrity,
169 #endif
170 };
171
172 bootm_headers_t images; /* pointers to os/initrd/fdt images */
173
174 /* Allow for arch specific config before we boot */
175 static void __arch_preboot_os(void)
176 {
177 /* please define platform specific arch_preboot_os() */
178 }
179 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
180
181 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
182
183 #ifdef CONFIG_LMB
184 static void boot_start_lmb(bootm_headers_t *images)
185 {
186 ulong mem_start;
187 phys_size_t mem_size;
188
189 lmb_init(&images->lmb);
190
191 mem_start = getenv_bootm_low();
192 mem_size = getenv_bootm_size();
193
194 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
195
196 arch_lmb_reserve(&images->lmb);
197 board_lmb_reserve(&images->lmb);
198 }
199 #else
200 #define lmb_reserve(lmb, base, size)
201 static inline void boot_start_lmb(bootm_headers_t *images) { }
202 #endif
203
204 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
205 {
206 memset((void *)&images, 0, sizeof(images));
207 images.verify = getenv_yesno("verify");
208
209 boot_start_lmb(&images);
210
211 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
212 images.state = BOOTM_STATE_START;
213
214 return 0;
215 }
216
217 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
218 char * const argv[])
219 {
220 const void *os_hdr;
221
222 /* get kernel image header, start address and length */
223 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
224 &images, &images.os.image_start, &images.os.image_len);
225 if (images.os.image_len == 0) {
226 puts("ERROR: can't get kernel image!\n");
227 return 1;
228 }
229
230 /* get image parameters */
231 switch (genimg_get_format(os_hdr)) {
232 case IMAGE_FORMAT_LEGACY:
233 images.os.type = image_get_type(os_hdr);
234 images.os.comp = image_get_comp(os_hdr);
235 images.os.os = image_get_os(os_hdr);
236
237 images.os.end = image_get_image_end(os_hdr);
238 images.os.load = image_get_load(os_hdr);
239 break;
240 #if defined(CONFIG_FIT)
241 case IMAGE_FORMAT_FIT:
242 if (fit_image_get_type(images.fit_hdr_os,
243 images.fit_noffset_os, &images.os.type)) {
244 puts("Can't get image type!\n");
245 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
246 return 1;
247 }
248
249 if (fit_image_get_comp(images.fit_hdr_os,
250 images.fit_noffset_os, &images.os.comp)) {
251 puts("Can't get image compression!\n");
252 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
253 return 1;
254 }
255
256 if (fit_image_get_os(images.fit_hdr_os,
257 images.fit_noffset_os, &images.os.os)) {
258 puts("Can't get image OS!\n");
259 bootstage_error(BOOTSTAGE_ID_FIT_OS);
260 return 1;
261 }
262
263 images.os.end = fit_get_end(images.fit_hdr_os);
264
265 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
266 &images.os.load)) {
267 puts("Can't get image load address!\n");
268 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
269 return 1;
270 }
271 break;
272 #endif
273 default:
274 puts("ERROR: unknown image format type!\n");
275 return 1;
276 }
277
278 /* find kernel entry point */
279 if (images.legacy_hdr_valid) {
280 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
281 #if defined(CONFIG_FIT)
282 } else if (images.fit_uname_os) {
283 int ret;
284
285 ret = fit_image_get_entry(images.fit_hdr_os,
286 images.fit_noffset_os, &images.ep);
287 if (ret) {
288 puts("Can't get entry point property!\n");
289 return 1;
290 }
291 #endif
292 } else {
293 puts("Could not find kernel entry point!\n");
294 return 1;
295 }
296
297 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
298 images.os.load = images.os.image_start;
299 images.ep += images.os.load;
300 }
301
302 images.os.start = (ulong)os_hdr;
303
304 return 0;
305 }
306
307 static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
308 {
309 int ret;
310
311 /* find ramdisk */
312 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
313 &images.rd_start, &images.rd_end);
314 if (ret) {
315 puts("Ramdisk image is corrupt or invalid\n");
316 return 1;
317 }
318
319 return 0;
320 }
321
322 #if defined(CONFIG_OF_LIBFDT)
323 static int bootm_find_fdt(int flag, int argc, char * const argv[])
324 {
325 int ret;
326
327 /* find flattened device tree */
328 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
329 &images.ft_addr, &images.ft_len);
330 if (ret) {
331 puts("Could not find a valid device tree\n");
332 return 1;
333 }
334
335 set_working_fdt_addr(images.ft_addr);
336
337 return 0;
338 }
339 #endif
340
341 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
342 char * const argv[])
343 {
344 if (((images.os.type == IH_TYPE_KERNEL) ||
345 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
346 (images.os.type == IH_TYPE_MULTI)) &&
347 (images.os.os == IH_OS_LINUX ||
348 images.os.os == IH_OS_VXWORKS)) {
349 if (bootm_find_ramdisk(flag, argc, argv))
350 return 1;
351
352 #if defined(CONFIG_OF_LIBFDT)
353 if (bootm_find_fdt(flag, argc, argv))
354 return 1;
355 #endif
356 }
357
358 return 0;
359 }
360
361 #define BOOTM_ERR_RESET -1
362 #define BOOTM_ERR_OVERLAP -2
363 #define BOOTM_ERR_UNIMPLEMENTED -3
364 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
365 int boot_progress)
366 {
367 image_info_t os = images->os;
368 uint8_t comp = os.comp;
369 ulong load = os.load;
370 ulong blob_start = os.start;
371 ulong blob_end = os.end;
372 ulong image_start = os.image_start;
373 ulong image_len = os.image_len;
374 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
375 int no_overlap = 0;
376 void *load_buf, *image_buf;
377 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
378 int ret;
379 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
380
381 const char *type_name = genimg_get_type_name(os.type);
382
383 load_buf = map_sysmem(load, unc_len);
384 image_buf = map_sysmem(image_start, image_len);
385 switch (comp) {
386 case IH_COMP_NONE:
387 if (load == blob_start || load == image_start) {
388 printf(" XIP %s ... ", type_name);
389 no_overlap = 1;
390 } else {
391 printf(" Loading %s ... ", type_name);
392 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
393 }
394 *load_end = load + image_len;
395 break;
396 #ifdef CONFIG_GZIP
397 case IH_COMP_GZIP:
398 printf(" Uncompressing %s ... ", type_name);
399 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
400 puts("GUNZIP: uncompress, out-of-mem or overwrite "
401 "error - must RESET board to recover\n");
402 if (boot_progress)
403 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
404 return BOOTM_ERR_RESET;
405 }
406
407 *load_end = load + image_len;
408 break;
409 #endif /* CONFIG_GZIP */
410 #ifdef CONFIG_BZIP2
411 case IH_COMP_BZIP2:
412 printf(" Uncompressing %s ... ", type_name);
413 /*
414 * If we've got less than 4 MB of malloc() space,
415 * use slower decompression algorithm which requires
416 * at most 2300 KB of memory.
417 */
418 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
419 image_buf, image_len,
420 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
421 if (i != BZ_OK) {
422 printf("BUNZIP2: uncompress or overwrite error %d "
423 "- must RESET board to recover\n", i);
424 if (boot_progress)
425 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
426 return BOOTM_ERR_RESET;
427 }
428
429 *load_end = load + unc_len;
430 break;
431 #endif /* CONFIG_BZIP2 */
432 #ifdef CONFIG_LZMA
433 case IH_COMP_LZMA: {
434 SizeT lzma_len = unc_len;
435 printf(" Uncompressing %s ... ", type_name);
436
437 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
438 image_buf, image_len);
439 unc_len = lzma_len;
440 if (ret != SZ_OK) {
441 printf("LZMA: uncompress or overwrite error %d "
442 "- must RESET board to recover\n", ret);
443 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
444 return BOOTM_ERR_RESET;
445 }
446 *load_end = load + unc_len;
447 break;
448 }
449 #endif /* CONFIG_LZMA */
450 #ifdef CONFIG_LZO
451 case IH_COMP_LZO: {
452 size_t size;
453
454 printf(" Uncompressing %s ... ", type_name);
455
456 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
457 if (ret != LZO_E_OK) {
458 printf("LZO: uncompress or overwrite error %d "
459 "- must RESET board to recover\n", ret);
460 if (boot_progress)
461 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
462 return BOOTM_ERR_RESET;
463 }
464
465 *load_end = load + size;
466 break;
467 }
468 #endif /* CONFIG_LZO */
469 default:
470 printf("Unimplemented compression type %d\n", comp);
471 return BOOTM_ERR_UNIMPLEMENTED;
472 }
473
474 flush_cache(load, (*load_end - load) * sizeof(ulong));
475
476 puts("OK\n");
477 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
478 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
479
480 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
481 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
482 blob_start, blob_end);
483 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
484 *load_end);
485
486 /* Check what type of image this is. */
487 if (images->legacy_hdr_valid) {
488 if (image_get_type(&images->legacy_hdr_os_copy)
489 == IH_TYPE_MULTI)
490 puts("WARNING: legacy format multi component image overwritten\n");
491 return BOOTM_ERR_OVERLAP;
492 } else {
493 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
494 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
495 return BOOTM_ERR_RESET;
496 }
497 }
498
499 return 0;
500 }
501
502 static int bootm_start_standalone(int argc, char * const argv[])
503 {
504 char *s;
505 int (*appl)(int, char * const []);
506
507 /* Don't start if "autostart" is set to "no" */
508 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
509 setenv_hex("filesize", images.os.image_len);
510 return 0;
511 }
512 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
513 (*appl)(argc, argv);
514 return 0;
515 }
516
517 /* we overload the cmd field with our state machine info instead of a
518 * function pointer */
519 static cmd_tbl_t cmd_bootm_sub[] = {
520 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
521 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
522 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
523 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
524 #endif
525 #ifdef CONFIG_OF_LIBFDT
526 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
527 #endif
528 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
529 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
530 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
531 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
532 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
533 };
534
535 static int boot_selected_os(int argc, char * const argv[], int state,
536 bootm_headers_t *images, boot_os_fn *boot_fn)
537 {
538 if (images->os.type == IH_TYPE_STANDALONE) {
539 /* This may return when 'autostart' is 'no' */
540 bootm_start_standalone(argc, argv);
541 return 0;
542 }
543 arch_preboot_os();
544 boot_fn(state, argc, argv, images);
545 if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
546 return 0;
547 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
548 #ifdef DEBUG
549 puts("\n## Control returned to monitor - resetting...\n");
550 #endif
551 return BOOTM_ERR_RESET;
552 }
553
554 /**
555 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
556 *
557 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
558 * enabled)
559 */
560 static ulong bootm_disable_interrupts(void)
561 {
562 ulong iflag;
563
564 /*
565 * We have reached the point of no return: we are going to
566 * overwrite all exception vector code, so we cannot easily
567 * recover from any failures any more...
568 */
569 iflag = disable_interrupts();
570 #ifdef CONFIG_NETCONSOLE
571 /* Stop the ethernet stack if NetConsole could have left it up */
572 eth_halt();
573 eth_unregister(eth_get_dev());
574 #endif
575
576 #if defined(CONFIG_CMD_USB)
577 /*
578 * turn off USB to prevent the host controller from writing to the
579 * SDRAM while Linux is booting. This could happen (at least for OHCI
580 * controller), because the HCCA (Host Controller Communication Area)
581 * lies within the SDRAM and the host controller writes continously to
582 * this area (as busmaster!). The HccaFrameNumber is for example
583 * updated every 1 ms within the HCCA structure in SDRAM! For more
584 * details see the OpenHCI specification.
585 */
586 usb_stop();
587 #endif
588 return iflag;
589 }
590
591 /**
592 * Execute selected states of the bootm command.
593 *
594 * Note the arguments to this state must be the first argument, Any 'bootm'
595 * or sub-command arguments must have already been taken.
596 *
597 * Note that if states contains more than one flag it MUST contain
598 * BOOTM_STATE_START, since this handles and consumes the command line args.
599 *
600 * Also note that aside from boot_os_fn functions and bootm_load_os no other
601 * functions we store the return value of in 'ret' may use a negative return
602 * value, without special handling.
603 *
604 * @param cmdtp Pointer to bootm command table entry
605 * @param flag Command flags (CMD_FLAG_...)
606 * @param argc Number of subcommand arguments (0 = no arguments)
607 * @param argv Arguments
608 * @param states Mask containing states to run (BOOTM_STATE_...)
609 * @param images Image header information
610 * @param boot_progress 1 to show boot progress, 0 to not do this
611 * @return 0 if ok, something else on error. Some errors will cause this
612 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
613 * then the intent is to boot an OS, so this function will not return
614 * unless the image type is standalone.
615 */
616 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
617 char * const argv[], int states, bootm_headers_t *images,
618 int boot_progress)
619 {
620 boot_os_fn *boot_fn;
621 ulong iflag = 0;
622 int ret = 0, need_boot_fn;
623
624 images->state |= states;
625
626 /*
627 * Work through the states and see how far we get. We stop on
628 * any error.
629 */
630 if (states & BOOTM_STATE_START)
631 ret = bootm_start(cmdtp, flag, argc, argv);
632
633 if (!ret && (states & BOOTM_STATE_FINDOS))
634 ret = bootm_find_os(cmdtp, flag, argc, argv);
635
636 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
637 ret = bootm_find_other(cmdtp, flag, argc, argv);
638 argc = 0; /* consume the args */
639 }
640
641 /* Load the OS */
642 if (!ret && (states & BOOTM_STATE_LOADOS)) {
643 ulong load_end;
644
645 iflag = bootm_disable_interrupts();
646 ret = bootm_load_os(images, &load_end, 0);
647 if (ret == 0)
648 lmb_reserve(&images->lmb, images->os.load,
649 (load_end - images->os.load));
650 else if (ret && ret != BOOTM_ERR_OVERLAP)
651 goto err;
652 else if (ret == BOOTM_ERR_OVERLAP)
653 ret = 0;
654 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
655 if (images->os.os == IH_OS_LINUX)
656 fixup_silent_linux();
657 #endif
658 }
659
660 /* Relocate the ramdisk */
661 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
662 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
663 ulong rd_len = images->rd_end - images->rd_start;
664
665 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
666 rd_len, &images->initrd_start, &images->initrd_end);
667 if (!ret) {
668 setenv_hex("initrd_start", images->initrd_start);
669 setenv_hex("initrd_end", images->initrd_end);
670 }
671 }
672 #endif
673 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
674 if (!ret && (states & BOOTM_STATE_FDT)) {
675 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
676 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
677 &images->ft_len);
678 }
679 #endif
680
681 /* From now on, we need the OS boot function */
682 if (ret)
683 return ret;
684 boot_fn = boot_os[images->os.os];
685 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
686 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
687 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
688 if (boot_fn == NULL && need_boot_fn) {
689 if (iflag)
690 enable_interrupts();
691 printf("ERROR: booting os '%s' (%d) is not supported\n",
692 genimg_get_os_name(images->os.os), images->os.os);
693 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
694 return 1;
695 }
696
697 /* Call various other states that are not generally used */
698 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
699 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
700 if (!ret && (states & BOOTM_STATE_OS_BD_T))
701 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
702 if (!ret && (states & BOOTM_STATE_OS_PREP))
703 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
704
705 #ifdef CONFIG_TRACE
706 /* Pretend to run the OS, then run a user command */
707 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
708 char *cmd_list = getenv("fakegocmd");
709
710 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
711 images, boot_fn);
712 if (!ret && cmd_list)
713 ret = run_command_list(cmd_list, -1, flag);
714 }
715 #endif
716
717 /* Check for unsupported subcommand. */
718 if (ret) {
719 puts("subcommand not supported\n");
720 return ret;
721 }
722
723 /* Now run the OS! We hope this doesn't return */
724 if (!ret && (states & BOOTM_STATE_OS_GO))
725 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
726 images, boot_fn);
727
728 /* Deal with any fallout */
729 err:
730 if (iflag)
731 enable_interrupts();
732
733 if (ret == BOOTM_ERR_UNIMPLEMENTED)
734 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
735 else if (ret == BOOTM_ERR_RESET)
736 do_reset(cmdtp, flag, argc, argv);
737
738 return ret;
739 }
740
741 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
742 char * const argv[])
743 {
744 int ret = 0;
745 long state;
746 cmd_tbl_t *c;
747
748 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
749 argc--; argv++;
750
751 if (c) {
752 state = (long)c->cmd;
753 if (state == BOOTM_STATE_START)
754 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
755 } else {
756 /* Unrecognized command */
757 return CMD_RET_USAGE;
758 }
759
760 if (state != BOOTM_STATE_START && images.state >= state) {
761 printf("Trying to execute a command out of order\n");
762 return CMD_RET_USAGE;
763 }
764
765 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
766
767 return ret;
768 }
769
770 /*******************************************************************/
771 /* bootm - boot application image from image in memory */
772 /*******************************************************************/
773
774 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
775 {
776 #ifdef CONFIG_NEEDS_MANUAL_RELOC
777 static int relocated = 0;
778
779 if (!relocated) {
780 int i;
781
782 /* relocate boot function table */
783 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
784 if (boot_os[i] != NULL)
785 boot_os[i] += gd->reloc_off;
786
787 /* relocate names of sub-command table */
788 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
789 cmd_bootm_sub[i].name += gd->reloc_off;
790
791 relocated = 1;
792 }
793 #endif
794
795 /* determine if we have a sub command */
796 argc--; argv++;
797 if (argc > 0) {
798 char *endp;
799
800 simple_strtoul(argv[0], &endp, 16);
801 /* endp pointing to NULL means that argv[0] was just a
802 * valid number, pass it along to the normal bootm processing
803 *
804 * If endp is ':' or '#' assume a FIT identifier so pass
805 * along for normal processing.
806 *
807 * Right now we assume the first arg should never be '-'
808 */
809 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
810 return do_bootm_subcommand(cmdtp, flag, argc, argv);
811 }
812
813 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
814 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
815 BOOTM_STATE_LOADOS |
816 #if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
817 BOOTM_STATE_OS_CMDLINE |
818 #endif
819 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
820 BOOTM_STATE_OS_GO, &images, 1);
821 }
822
823 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
824 {
825 const char *ep = getenv("autostart");
826
827 if (ep && !strcmp(ep, "yes")) {
828 char *local_args[2];
829 local_args[0] = (char *)cmd;
830 local_args[1] = NULL;
831 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
832 return do_bootm(cmdtp, 0, 1, local_args);
833 }
834
835 return 0;
836 }
837
838 /**
839 * image_get_kernel - verify legacy format kernel image
840 * @img_addr: in RAM address of the legacy format image to be verified
841 * @verify: data CRC verification flag
842 *
843 * image_get_kernel() verifies legacy image integrity and returns pointer to
844 * legacy image header if image verification was completed successfully.
845 *
846 * returns:
847 * pointer to a legacy image header if valid image was found
848 * otherwise return NULL
849 */
850 static image_header_t *image_get_kernel(ulong img_addr, int verify)
851 {
852 image_header_t *hdr = (image_header_t *)img_addr;
853
854 if (!image_check_magic(hdr)) {
855 puts("Bad Magic Number\n");
856 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
857 return NULL;
858 }
859 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
860
861 if (!image_check_hcrc(hdr)) {
862 puts("Bad Header Checksum\n");
863 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
864 return NULL;
865 }
866
867 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
868 image_print_contents(hdr);
869
870 if (verify) {
871 puts(" Verifying Checksum ... ");
872 if (!image_check_dcrc(hdr)) {
873 printf("Bad Data CRC\n");
874 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
875 return NULL;
876 }
877 puts("OK\n");
878 }
879 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
880
881 if (!image_check_target_arch(hdr)) {
882 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
883 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
884 return NULL;
885 }
886 return hdr;
887 }
888
889 /**
890 * boot_get_kernel - find kernel image
891 * @os_data: pointer to a ulong variable, will hold os data start address
892 * @os_len: pointer to a ulong variable, will hold os data length
893 *
894 * boot_get_kernel() tries to find a kernel image, verifies its integrity
895 * and locates kernel data.
896 *
897 * returns:
898 * pointer to image header if valid image was found, plus kernel start
899 * address and length, otherwise NULL
900 */
901 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
902 char * const argv[], bootm_headers_t *images, ulong *os_data,
903 ulong *os_len)
904 {
905 image_header_t *hdr;
906 ulong img_addr;
907 const void *buf;
908 #if defined(CONFIG_FIT)
909 const char *fit_uname_config = NULL;
910 const char *fit_uname_kernel = NULL;
911 int os_noffset;
912 #endif
913
914 /* find out kernel image address */
915 if (argc < 1) {
916 img_addr = load_addr;
917 debug("* kernel: default image load address = 0x%08lx\n",
918 load_addr);
919 #if defined(CONFIG_FIT)
920 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
921 &fit_uname_config)) {
922 debug("* kernel: config '%s' from image at 0x%08lx\n",
923 fit_uname_config, img_addr);
924 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
925 &fit_uname_kernel)) {
926 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
927 fit_uname_kernel, img_addr);
928 #endif
929 } else {
930 img_addr = simple_strtoul(argv[0], NULL, 16);
931 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
932 }
933
934 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
935
936 /* copy from dataflash if needed */
937 img_addr = genimg_get_image(img_addr);
938
939 /* check image type, for FIT images get FIT kernel node */
940 *os_data = *os_len = 0;
941 buf = map_sysmem(img_addr, 0);
942 switch (genimg_get_format(buf)) {
943 case IMAGE_FORMAT_LEGACY:
944 printf("## Booting kernel from Legacy Image at %08lx ...\n",
945 img_addr);
946 hdr = image_get_kernel(img_addr, images->verify);
947 if (!hdr)
948 return NULL;
949 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
950
951 /* get os_data and os_len */
952 switch (image_get_type(hdr)) {
953 case IH_TYPE_KERNEL:
954 case IH_TYPE_KERNEL_NOLOAD:
955 *os_data = image_get_data(hdr);
956 *os_len = image_get_data_size(hdr);
957 break;
958 case IH_TYPE_MULTI:
959 image_multi_getimg(hdr, 0, os_data, os_len);
960 break;
961 case IH_TYPE_STANDALONE:
962 *os_data = image_get_data(hdr);
963 *os_len = image_get_data_size(hdr);
964 break;
965 default:
966 printf("Wrong Image Type for %s command\n",
967 cmdtp->name);
968 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
969 return NULL;
970 }
971
972 /*
973 * copy image header to allow for image overwrites during
974 * kernel decompression.
975 */
976 memmove(&images->legacy_hdr_os_copy, hdr,
977 sizeof(image_header_t));
978
979 /* save pointer to image header */
980 images->legacy_hdr_os = hdr;
981
982 images->legacy_hdr_valid = 1;
983 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
984 break;
985 #if defined(CONFIG_FIT)
986 case IMAGE_FORMAT_FIT:
987 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
988 img_addr,
989 &fit_uname_kernel, &fit_uname_config,
990 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
991 BOOTSTAGE_ID_FIT_KERNEL_START,
992 FIT_LOAD_IGNORED, os_data, os_len);
993 if (os_noffset < 0)
994 return NULL;
995
996 images->fit_hdr_os = map_sysmem(img_addr, 0);
997 images->fit_uname_os = fit_uname_kernel;
998 images->fit_uname_cfg = fit_uname_config;
999 images->fit_noffset_os = os_noffset;
1000 break;
1001 #endif
1002 default:
1003 printf("Wrong Image Format for %s command\n", cmdtp->name);
1004 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1005 return NULL;
1006 }
1007
1008 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1009 *os_data, *os_len, *os_len);
1010
1011 return buf;
1012 }
1013
1014 #ifdef CONFIG_SYS_LONGHELP
1015 static char bootm_help_text[] =
1016 "[addr [arg ...]]\n - boot application image stored in memory\n"
1017 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1018 "\t'arg' can be the address of an initrd image\n"
1019 #if defined(CONFIG_OF_LIBFDT)
1020 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1021 "\ta third argument is required which is the address of the\n"
1022 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1023 "\tuse a '-' for the second argument. If you do not pass a third\n"
1024 "\ta bd_info struct will be passed instead\n"
1025 #endif
1026 #if defined(CONFIG_FIT)
1027 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1028 "\tmust be extened to include component or configuration unit name:\n"
1029 "\taddr:<subimg_uname> - direct component image specification\n"
1030 "\taddr#<conf_uname> - configuration specification\n"
1031 "\tUse iminfo command to get the list of existing component\n"
1032 "\timages and configurations.\n"
1033 #endif
1034 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1035 "must be\n"
1036 "issued in the order below (it's ok to not issue all sub-commands):\n"
1037 "\tstart [addr [arg ...]]\n"
1038 "\tloados - load OS image\n"
1039 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1040 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1041 #endif
1042 #if defined(CONFIG_OF_LIBFDT)
1043 "\tfdt - relocate flat device tree\n"
1044 #endif
1045 "\tcmdline - OS specific command line processing/setup\n"
1046 "\tbdt - OS specific bd_t processing\n"
1047 "\tprep - OS specific prep before relocation or go\n"
1048 "\tgo - start OS";
1049 #endif
1050
1051 U_BOOT_CMD(
1052 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1053 "boot application image from memory", bootm_help_text
1054 );
1055
1056 /*******************************************************************/
1057 /* bootd - boot default image */
1058 /*******************************************************************/
1059 #if defined(CONFIG_CMD_BOOTD)
1060 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1061 {
1062 int rcode = 0;
1063
1064 if (run_command(getenv("bootcmd"), flag) < 0)
1065 rcode = 1;
1066 return rcode;
1067 }
1068
1069 U_BOOT_CMD(
1070 boot, 1, 1, do_bootd,
1071 "boot default, i.e., run 'bootcmd'",
1072 ""
1073 );
1074
1075 /* keep old command name "bootd" for backward compatibility */
1076 U_BOOT_CMD(
1077 bootd, 1, 1, do_bootd,
1078 "boot default, i.e., run 'bootcmd'",
1079 ""
1080 );
1081
1082 #endif
1083
1084
1085 /*******************************************************************/
1086 /* iminfo - print header info for a requested image */
1087 /*******************************************************************/
1088 #if defined(CONFIG_CMD_IMI)
1089 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1090 {
1091 int arg;
1092 ulong addr;
1093 int rcode = 0;
1094
1095 if (argc < 2) {
1096 return image_info(load_addr);
1097 }
1098
1099 for (arg = 1; arg < argc; ++arg) {
1100 addr = simple_strtoul(argv[arg], NULL, 16);
1101 if (image_info(addr) != 0)
1102 rcode = 1;
1103 }
1104 return rcode;
1105 }
1106
1107 static int image_info(ulong addr)
1108 {
1109 void *hdr = (void *)addr;
1110
1111 printf("\n## Checking Image at %08lx ...\n", addr);
1112
1113 switch (genimg_get_format(hdr)) {
1114 case IMAGE_FORMAT_LEGACY:
1115 puts(" Legacy image found\n");
1116 if (!image_check_magic(hdr)) {
1117 puts(" Bad Magic Number\n");
1118 return 1;
1119 }
1120
1121 if (!image_check_hcrc(hdr)) {
1122 puts(" Bad Header Checksum\n");
1123 return 1;
1124 }
1125
1126 image_print_contents(hdr);
1127
1128 puts(" Verifying Checksum ... ");
1129 if (!image_check_dcrc(hdr)) {
1130 puts(" Bad Data CRC\n");
1131 return 1;
1132 }
1133 puts("OK\n");
1134 return 0;
1135 #if defined(CONFIG_FIT)
1136 case IMAGE_FORMAT_FIT:
1137 puts(" FIT image found\n");
1138
1139 if (!fit_check_format(hdr)) {
1140 puts("Bad FIT image format!\n");
1141 return 1;
1142 }
1143
1144 fit_print_contents(hdr);
1145
1146 if (!fit_all_image_verify(hdr)) {
1147 puts("Bad hash in FIT image!\n");
1148 return 1;
1149 }
1150
1151 return 0;
1152 #endif
1153 default:
1154 puts("Unknown image format!\n");
1155 break;
1156 }
1157
1158 return 1;
1159 }
1160
1161 U_BOOT_CMD(
1162 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1163 "print header information for application image",
1164 "addr [addr ...]\n"
1165 " - print header information for application image starting at\n"
1166 " address 'addr' in memory; this includes verification of the\n"
1167 " image contents (magic number, header and payload checksums)"
1168 );
1169 #endif
1170
1171
1172 /*******************************************************************/
1173 /* imls - list all images found in flash */
1174 /*******************************************************************/
1175 #if defined(CONFIG_CMD_IMLS)
1176 static int do_imls_nor(void)
1177 {
1178 flash_info_t *info;
1179 int i, j;
1180 void *hdr;
1181
1182 for (i = 0, info = &flash_info[0];
1183 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1184
1185 if (info->flash_id == FLASH_UNKNOWN)
1186 goto next_bank;
1187 for (j = 0; j < info->sector_count; ++j) {
1188
1189 hdr = (void *)info->start[j];
1190 if (!hdr)
1191 goto next_sector;
1192
1193 switch (genimg_get_format(hdr)) {
1194 case IMAGE_FORMAT_LEGACY:
1195 if (!image_check_hcrc(hdr))
1196 goto next_sector;
1197
1198 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1199 image_print_contents(hdr);
1200
1201 puts(" Verifying Checksum ... ");
1202 if (!image_check_dcrc(hdr)) {
1203 puts("Bad Data CRC\n");
1204 } else {
1205 puts("OK\n");
1206 }
1207 break;
1208 #if defined(CONFIG_FIT)
1209 case IMAGE_FORMAT_FIT:
1210 if (!fit_check_format(hdr))
1211 goto next_sector;
1212
1213 printf("FIT Image at %08lX:\n", (ulong)hdr);
1214 fit_print_contents(hdr);
1215 break;
1216 #endif
1217 default:
1218 goto next_sector;
1219 }
1220
1221 next_sector: ;
1222 }
1223 next_bank: ;
1224 }
1225 return 0;
1226 }
1227 #endif
1228
1229 #if defined(CONFIG_CMD_IMLS_NAND)
1230 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1231 size_t len)
1232 {
1233 void *imgdata;
1234 int ret;
1235
1236 imgdata = malloc(len);
1237 if (!imgdata) {
1238 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1239 nand_dev, off);
1240 printf(" Low memory(cannot allocate memory for image)\n");
1241 return -ENOMEM;
1242 }
1243
1244 ret = nand_read_skip_bad(nand, off, &len,
1245 imgdata);
1246 if (ret < 0 && ret != -EUCLEAN) {
1247 free(imgdata);
1248 return ret;
1249 }
1250
1251 if (!image_check_hcrc(imgdata)) {
1252 free(imgdata);
1253 return 0;
1254 }
1255
1256 printf("Legacy Image at NAND device %d offset %08llX:\n",
1257 nand_dev, off);
1258 image_print_contents(imgdata);
1259
1260 puts(" Verifying Checksum ... ");
1261 if (!image_check_dcrc(imgdata))
1262 puts("Bad Data CRC\n");
1263 else
1264 puts("OK\n");
1265
1266 free(imgdata);
1267
1268 return 0;
1269 }
1270
1271 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1272 size_t len)
1273 {
1274 void *imgdata;
1275 int ret;
1276
1277 imgdata = malloc(len);
1278 if (!imgdata) {
1279 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1280 nand_dev, off);
1281 printf(" Low memory(cannot allocate memory for image)\n");
1282 return -ENOMEM;
1283 }
1284
1285 ret = nand_read_skip_bad(nand, off, &len,
1286 imgdata);
1287 if (ret < 0 && ret != -EUCLEAN) {
1288 free(imgdata);
1289 return ret;
1290 }
1291
1292 if (!fit_check_format(imgdata)) {
1293 free(imgdata);
1294 return 0;
1295 }
1296
1297 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1298
1299 fit_print_contents(imgdata);
1300 free(imgdata);
1301
1302 return 0;
1303 }
1304
1305 static int do_imls_nand(void)
1306 {
1307 nand_info_t *nand;
1308 int nand_dev = nand_curr_device;
1309 size_t len;
1310 loff_t off;
1311 u32 buffer[16];
1312
1313 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1314 puts("\nNo NAND devices available\n");
1315 return -ENODEV;
1316 }
1317
1318 printf("\n");
1319
1320 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1321 nand = &nand_info[nand_dev];
1322 if (!nand->name || !nand->size)
1323 continue;
1324
1325 for (off = 0; off < nand->size; off += nand->erasesize) {
1326 const image_header_t *header;
1327 int ret;
1328
1329 if (nand_block_isbad(nand, off))
1330 continue;
1331
1332 len = sizeof(buffer);
1333
1334 ret = nand_read(nand, off, &len, (u8 *)buffer);
1335 if (ret < 0 && ret != -EUCLEAN) {
1336 printf("NAND read error %d at offset %08llX\n",
1337 ret, off);
1338 continue;
1339 }
1340
1341 switch (genimg_get_format(buffer)) {
1342 case IMAGE_FORMAT_LEGACY:
1343 header = (const image_header_t *)buffer;
1344
1345 len = image_get_image_size(header);
1346 nand_imls_legacyimage(nand, nand_dev, off, len);
1347 break;
1348 #if defined(CONFIG_FIT)
1349 case IMAGE_FORMAT_FIT:
1350 len = fit_get_size(buffer);
1351 nand_imls_fitimage(nand, nand_dev, off, len);
1352 break;
1353 #endif
1354 }
1355 }
1356 }
1357
1358 return 0;
1359 }
1360 #endif
1361
1362 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1363 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1364 {
1365 int ret_nor = 0, ret_nand = 0;
1366
1367 #if defined(CONFIG_CMD_IMLS)
1368 ret_nor = do_imls_nor();
1369 #endif
1370
1371 #if defined(CONFIG_CMD_IMLS_NAND)
1372 ret_nand = do_imls_nand();
1373 #endif
1374
1375 if (ret_nor)
1376 return ret_nor;
1377
1378 if (ret_nand)
1379 return ret_nand;
1380
1381 return (0);
1382 }
1383
1384 U_BOOT_CMD(
1385 imls, 1, 1, do_imls,
1386 "list all images found in flash",
1387 "\n"
1388 " - Prints information about all images found at sector/block\n"
1389 " boundaries in nor/nand flash."
1390 );
1391 #endif
1392
1393 /*******************************************************************/
1394 /* helper routines */
1395 /*******************************************************************/
1396 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1397
1398 #define CONSOLE_ARG "console="
1399 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1400
1401 static void fixup_silent_linux(void)
1402 {
1403 char *buf;
1404 const char *env_val;
1405 char *cmdline = getenv("bootargs");
1406 int want_silent;
1407
1408 /*
1409 * Only fix cmdline when requested. The environment variable can be:
1410 *
1411 * no - we never fixup
1412 * yes - we always fixup
1413 * unset - we rely on the console silent flag
1414 */
1415 want_silent = getenv_yesno("silent_linux");
1416 if (want_silent == 0)
1417 return;
1418 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
1419 return;
1420
1421 debug("before silent fix-up: %s\n", cmdline);
1422 if (cmdline && (cmdline[0] != '\0')) {
1423 char *start = strstr(cmdline, CONSOLE_ARG);
1424
1425 /* Allocate space for maximum possible new command line */
1426 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1427 if (!buf) {
1428 debug("%s: out of memory\n", __func__);
1429 return;
1430 }
1431
1432 if (start) {
1433 char *end = strchr(start, ' ');
1434 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1435
1436 strncpy(buf, cmdline, num_start_bytes);
1437 if (end)
1438 strcpy(buf + num_start_bytes, end);
1439 else
1440 buf[num_start_bytes] = '\0';
1441 } else {
1442 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1443 }
1444 env_val = buf;
1445 } else {
1446 buf = NULL;
1447 env_val = CONSOLE_ARG;
1448 }
1449
1450 setenv("bootargs", env_val);
1451 debug("after silent fix-up: %s\n", env_val);
1452 free(buf);
1453 }
1454 #endif /* CONFIG_SILENT_CONSOLE */
1455
1456 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1457 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1458 {
1459 int i;
1460
1461 for (i = 0; i < argc; i++) {
1462 if (i > 0)
1463 *dest++ = delim;
1464 strcpy(dest, argv[i]);
1465 dest += strlen(argv[i]);
1466 }
1467 }
1468 #endif
1469
1470 /*******************************************************************/
1471 /* OS booting routines */
1472 /*******************************************************************/
1473
1474 #ifdef CONFIG_BOOTM_NETBSD
1475 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1476 bootm_headers_t *images)
1477 {
1478 void (*loader)(bd_t *, image_header_t *, char *, char *);
1479 image_header_t *os_hdr, *hdr;
1480 ulong kernel_data, kernel_len;
1481 char *consdev;
1482 char *cmdline;
1483
1484 if (flag != BOOTM_STATE_OS_GO)
1485 return 0;
1486
1487 #if defined(CONFIG_FIT)
1488 if (!images->legacy_hdr_valid) {
1489 fit_unsupported_reset("NetBSD");
1490 return 1;
1491 }
1492 #endif
1493 hdr = images->legacy_hdr_os;
1494
1495 /*
1496 * Booting a (NetBSD) kernel image
1497 *
1498 * This process is pretty similar to a standalone application:
1499 * The (first part of an multi-) image must be a stage-2 loader,
1500 * which in turn is responsible for loading & invoking the actual
1501 * kernel. The only differences are the parameters being passed:
1502 * besides the board info strucure, the loader expects a command
1503 * line, the name of the console device, and (optionally) the
1504 * address of the original image header.
1505 */
1506 os_hdr = NULL;
1507 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1508 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1509 if (kernel_len)
1510 os_hdr = hdr;
1511 }
1512
1513 consdev = "";
1514 #if defined(CONFIG_8xx_CONS_SMC1)
1515 consdev = "smc1";
1516 #elif defined(CONFIG_8xx_CONS_SMC2)
1517 consdev = "smc2";
1518 #elif defined(CONFIG_8xx_CONS_SCC2)
1519 consdev = "scc2";
1520 #elif defined(CONFIG_8xx_CONS_SCC3)
1521 consdev = "scc3";
1522 #endif
1523
1524 if (argc > 0) {
1525 ulong len;
1526 int i;
1527
1528 for (i = 0, len = 0; i < argc; i += 1)
1529 len += strlen(argv[i]) + 1;
1530 cmdline = malloc(len);
1531 copy_args(cmdline, argc, argv, ' ');
1532 } else if ((cmdline = getenv("bootargs")) == NULL) {
1533 cmdline = "";
1534 }
1535
1536 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1537
1538 printf("## Transferring control to NetBSD stage-2 loader "
1539 "(at address %08lx) ...\n",
1540 (ulong)loader);
1541
1542 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1543
1544 /*
1545 * NetBSD Stage-2 Loader Parameters:
1546 * arg[0]: pointer to board info data
1547 * arg[1]: image load address
1548 * arg[2]: char pointer to the console device to use
1549 * arg[3]: char pointer to the boot arguments
1550 */
1551 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1552
1553 return 1;
1554 }
1555 #endif /* CONFIG_BOOTM_NETBSD*/
1556
1557 #ifdef CONFIG_LYNXKDI
1558 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1559 bootm_headers_t *images)
1560 {
1561 image_header_t *hdr = &images->legacy_hdr_os_copy;
1562
1563 if (flag != BOOTM_STATE_OS_GO)
1564 return 0;
1565
1566 #if defined(CONFIG_FIT)
1567 if (!images->legacy_hdr_valid) {
1568 fit_unsupported_reset("Lynx");
1569 return 1;
1570 }
1571 #endif
1572
1573 lynxkdi_boot((image_header_t *)hdr);
1574
1575 return 1;
1576 }
1577 #endif /* CONFIG_LYNXKDI */
1578
1579 #ifdef CONFIG_BOOTM_RTEMS
1580 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1581 bootm_headers_t *images)
1582 {
1583 void (*entry_point)(bd_t *);
1584
1585 if (flag != BOOTM_STATE_OS_GO)
1586 return 0;
1587
1588 #if defined(CONFIG_FIT)
1589 if (!images->legacy_hdr_valid) {
1590 fit_unsupported_reset("RTEMS");
1591 return 1;
1592 }
1593 #endif
1594
1595 entry_point = (void (*)(bd_t *))images->ep;
1596
1597 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1598 (ulong)entry_point);
1599
1600 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1601
1602 /*
1603 * RTEMS Parameters:
1604 * r3: ptr to board info data
1605 */
1606 (*entry_point)(gd->bd);
1607
1608 return 1;
1609 }
1610 #endif /* CONFIG_BOOTM_RTEMS */
1611
1612 #if defined(CONFIG_BOOTM_OSE)
1613 static int do_bootm_ose(int flag, int argc, char * const argv[],
1614 bootm_headers_t *images)
1615 {
1616 void (*entry_point)(void);
1617
1618 if (flag != BOOTM_STATE_OS_GO)
1619 return 0;
1620
1621 #if defined(CONFIG_FIT)
1622 if (!images->legacy_hdr_valid) {
1623 fit_unsupported_reset("OSE");
1624 return 1;
1625 }
1626 #endif
1627
1628 entry_point = (void (*)(void))images->ep;
1629
1630 printf("## Transferring control to OSE (at address %08lx) ...\n",
1631 (ulong)entry_point);
1632
1633 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1634
1635 /*
1636 * OSE Parameters:
1637 * None
1638 */
1639 (*entry_point)();
1640
1641 return 1;
1642 }
1643 #endif /* CONFIG_BOOTM_OSE */
1644
1645 #if defined(CONFIG_BOOTM_PLAN9)
1646 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1647 bootm_headers_t *images)
1648 {
1649 void (*entry_point)(void);
1650 char *s;
1651
1652 if (flag != BOOTM_STATE_OS_GO)
1653 return 0;
1654
1655 #if defined(CONFIG_FIT)
1656 if (!images->legacy_hdr_valid) {
1657 fit_unsupported_reset("Plan 9");
1658 return 1;
1659 }
1660 #endif
1661
1662 /* See README.plan9 */
1663 s = getenv("confaddr");
1664 if (s != NULL) {
1665 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1666
1667 if (argc > 0) {
1668 copy_args(confaddr, argc, argv, '\n');
1669 } else {
1670 s = getenv("bootargs");
1671 if (s != NULL)
1672 strcpy(confaddr, s);
1673 }
1674 }
1675
1676 entry_point = (void (*)(void))images->ep;
1677
1678 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1679 (ulong)entry_point);
1680
1681 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1682
1683 /*
1684 * Plan 9 Parameters:
1685 * None
1686 */
1687 (*entry_point)();
1688
1689 return 1;
1690 }
1691 #endif /* CONFIG_BOOTM_PLAN9 */
1692
1693 #if defined(CONFIG_BOOTM_VXWORKS) && \
1694 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
1695
1696 void do_bootvx_fdt(bootm_headers_t *images)
1697 {
1698 #if defined(CONFIG_OF_LIBFDT)
1699 int ret;
1700 char *bootline;
1701 ulong of_size = images->ft_len;
1702 char **of_flat_tree = &images->ft_addr;
1703 struct lmb *lmb = &images->lmb;
1704
1705 if (*of_flat_tree) {
1706 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1707
1708 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1709 if (ret)
1710 return;
1711
1712 ret = fdt_add_subnode(*of_flat_tree, 0, "chosen");
1713 if ((ret >= 0 || ret == -FDT_ERR_EXISTS)) {
1714 bootline = getenv("bootargs");
1715 if (bootline) {
1716 ret = fdt_find_and_setprop(*of_flat_tree,
1717 "/chosen", "bootargs",
1718 bootline,
1719 strlen(bootline) + 1, 1);
1720 if (ret < 0) {
1721 printf("## ERROR: %s : %s\n", __func__,
1722 fdt_strerror(ret));
1723 return;
1724 }
1725 }
1726 } else {
1727 printf("## ERROR: %s : %s\n", __func__,
1728 fdt_strerror(ret));
1729 return;
1730 }
1731 }
1732 #endif
1733
1734 boot_prep_vxworks(images);
1735
1736 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1737
1738 #if defined(CONFIG_OF_LIBFDT)
1739 printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n",
1740 (ulong)images->ep, (ulong)*of_flat_tree);
1741 #else
1742 printf("## Starting vxWorks at 0x%08lx\n", (ulong)images->ep);
1743 #endif
1744
1745 boot_jump_vxworks(images);
1746
1747 puts("## vxWorks terminated\n");
1748 }
1749
1750 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1751 bootm_headers_t *images)
1752 {
1753 if (flag != BOOTM_STATE_OS_GO)
1754 return 0;
1755
1756 #if defined(CONFIG_FIT)
1757 if (!images->legacy_hdr_valid) {
1758 fit_unsupported_reset("VxWorks");
1759 return 1;
1760 }
1761 #endif
1762
1763 do_bootvx_fdt(images);
1764
1765 return 1;
1766 }
1767 #endif
1768
1769 #if defined(CONFIG_CMD_ELF)
1770 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1771 bootm_headers_t *images)
1772 {
1773 char *local_args[2];
1774 char str[16];
1775
1776 if (flag != BOOTM_STATE_OS_GO)
1777 return 0;
1778
1779 #if defined(CONFIG_FIT)
1780 if (!images->legacy_hdr_valid) {
1781 fit_unsupported_reset("QNX");
1782 return 1;
1783 }
1784 #endif
1785
1786 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1787 local_args[0] = argv[0];
1788 local_args[1] = str; /* and provide it via the arguments */
1789 do_bootelf(NULL, 0, 2, local_args);
1790
1791 return 1;
1792 }
1793 #endif
1794
1795 #ifdef CONFIG_INTEGRITY
1796 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1797 bootm_headers_t *images)
1798 {
1799 void (*entry_point)(void);
1800
1801 if (flag != BOOTM_STATE_OS_GO)
1802 return 0;
1803
1804 #if defined(CONFIG_FIT)
1805 if (!images->legacy_hdr_valid) {
1806 fit_unsupported_reset("INTEGRITY");
1807 return 1;
1808 }
1809 #endif
1810
1811 entry_point = (void (*)(void))images->ep;
1812
1813 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1814 (ulong)entry_point);
1815
1816 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1817
1818 /*
1819 * INTEGRITY Parameters:
1820 * None
1821 */
1822 (*entry_point)();
1823
1824 return 1;
1825 }
1826 #endif
1827
1828 #ifdef CONFIG_CMD_BOOTZ
1829
1830 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1831 {
1832 /* Please define bootz_setup() for your platform */
1833
1834 puts("Your platform's zImage format isn't supported yet!\n");
1835 return -1;
1836 }
1837
1838 /*
1839 * zImage booting support
1840 */
1841 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1842 char * const argv[], bootm_headers_t *images)
1843 {
1844 int ret;
1845 ulong zi_start, zi_end;
1846
1847 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1848 images, 1);
1849
1850 /* Setup Linux kernel zImage entry point */
1851 if (!argc) {
1852 images->ep = load_addr;
1853 debug("* kernel: default image load address = 0x%08lx\n",
1854 load_addr);
1855 } else {
1856 images->ep = simple_strtoul(argv[0], NULL, 16);
1857 debug("* kernel: cmdline image address = 0x%08lx\n",
1858 images->ep);
1859 }
1860
1861 ret = bootz_setup(images->ep, &zi_start, &zi_end);
1862 if (ret != 0)
1863 return 1;
1864
1865 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1866
1867 /*
1868 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1869 * have a header that provide this informaiton.
1870 */
1871 if (bootm_find_ramdisk(flag, argc, argv))
1872 return 1;
1873
1874 #if defined(CONFIG_OF_LIBFDT)
1875 if (bootm_find_fdt(flag, argc, argv))
1876 return 1;
1877 #endif
1878
1879 return 0;
1880 }
1881
1882 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1883 {
1884 int ret;
1885
1886 /* Consume 'bootz' */
1887 argc--; argv++;
1888
1889 if (bootz_start(cmdtp, flag, argc, argv, &images))
1890 return 1;
1891
1892 /*
1893 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1894 * disable interrupts ourselves
1895 */
1896 bootm_disable_interrupts();
1897
1898 images.os.os = IH_OS_LINUX;
1899 ret = do_bootm_states(cmdtp, flag, argc, argv,
1900 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1901 BOOTM_STATE_OS_GO,
1902 &images, 1);
1903
1904 return ret;
1905 }
1906
1907 #ifdef CONFIG_SYS_LONGHELP
1908 static char bootz_help_text[] =
1909 "[addr [initrd[:size]] [fdt]]\n"
1910 " - boot Linux zImage stored in memory\n"
1911 "\tThe argument 'initrd' is optional and specifies the address\n"
1912 "\tof the initrd in memory. The optional argument ':size' allows\n"
1913 "\tspecifying the size of RAW initrd.\n"
1914 #if defined(CONFIG_OF_LIBFDT)
1915 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1916 "\ta third argument is required which is the address of the\n"
1917 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1918 "\tuse a '-' for the second argument. If you do not pass a third\n"
1919 "\ta bd_info struct will be passed instead\n"
1920 #endif
1921 "";
1922 #endif
1923
1924 U_BOOT_CMD(
1925 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1926 "boot Linux zImage image from memory", bootz_help_text
1927 );
1928 #endif /* CONFIG_CMD_BOOTZ */
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