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cmd_bootm.c: Make bootz handle BOOTM_STATE_FINDOTHER itself
[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 <asm/io.h>
40 #include <linux/compiler.h>
41
42 #if defined(CONFIG_CMD_USB)
43 #include <usb.h>
44 #endif
45
46 #ifdef CONFIG_SYS_HUSH_PARSER
47 #include <hush.h>
48 #endif
49
50 #if defined(CONFIG_OF_LIBFDT)
51 #include <libfdt.h>
52 #include <fdt_support.h>
53 #endif
54
55 #ifdef CONFIG_LZMA
56 #include <lzma/LzmaTypes.h>
57 #include <lzma/LzmaDec.h>
58 #include <lzma/LzmaTools.h>
59 #endif /* CONFIG_LZMA */
60
61 #ifdef CONFIG_LZO
62 #include <linux/lzo.h>
63 #endif /* CONFIG_LZO */
64
65 DECLARE_GLOBAL_DATA_PTR;
66
67 #ifndef CONFIG_SYS_BOOTM_LEN
68 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
69 #endif
70
71 #ifdef CONFIG_BZIP2
72 extern void bz_internal_error(int);
73 #endif
74
75 #if defined(CONFIG_CMD_IMI)
76 static int image_info(unsigned long addr);
77 #endif
78
79 #if defined(CONFIG_CMD_IMLS)
80 #include <flash.h>
81 #include <mtd/cfi_flash.h>
82 extern flash_info_t flash_info[]; /* info for FLASH chips */
83 #endif
84
85 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
86 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
87 #endif
88
89 #include <linux/err.h>
90 #include <nand.h>
91
92 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
93 static void fixup_silent_linux(void);
94 #endif
95
96 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
97 char * const argv[], bootm_headers_t *images,
98 ulong *os_data, ulong *os_len);
99
100 /*
101 * Continue booting an OS image; caller already has:
102 * - copied image header to global variable `header'
103 * - checked header magic number, checksums (both header & image),
104 * - verified image architecture (PPC) and type (KERNEL or MULTI),
105 * - loaded (first part of) image to header load address,
106 * - disabled interrupts.
107 *
108 * @flag: Flags indicating what to do (BOOTM_STATE_...)
109 * @argc: Number of arguments. Note that the arguments are shifted down
110 * so that 0 is the first argument not processed by U-Boot, and
111 * argc is adjusted accordingly. This avoids confusion as to how
112 * many arguments are available for the OS.
113 * @images: Pointers to os/initrd/fdt
114 * @return 1 on error. On success the OS boots so this function does
115 * not return.
116 */
117 typedef int boot_os_fn(int flag, int argc, char * const argv[],
118 bootm_headers_t *images);
119
120 #ifdef CONFIG_BOOTM_LINUX
121 extern boot_os_fn do_bootm_linux;
122 #endif
123 #ifdef CONFIG_BOOTM_NETBSD
124 static boot_os_fn do_bootm_netbsd;
125 #endif
126 #if defined(CONFIG_LYNXKDI)
127 static boot_os_fn do_bootm_lynxkdi;
128 extern void lynxkdi_boot(image_header_t *);
129 #endif
130 #ifdef CONFIG_BOOTM_RTEMS
131 static boot_os_fn do_bootm_rtems;
132 #endif
133 #if defined(CONFIG_BOOTM_OSE)
134 static boot_os_fn do_bootm_ose;
135 #endif
136 #if defined(CONFIG_BOOTM_PLAN9)
137 static boot_os_fn do_bootm_plan9;
138 #endif
139 #if defined(CONFIG_CMD_ELF)
140 static boot_os_fn do_bootm_vxworks;
141 static boot_os_fn do_bootm_qnxelf;
142 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
143 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
144 #endif
145 #if defined(CONFIG_INTEGRITY)
146 static boot_os_fn do_bootm_integrity;
147 #endif
148
149 static boot_os_fn *boot_os[] = {
150 #ifdef CONFIG_BOOTM_LINUX
151 [IH_OS_LINUX] = do_bootm_linux,
152 #endif
153 #ifdef CONFIG_BOOTM_NETBSD
154 [IH_OS_NETBSD] = do_bootm_netbsd,
155 #endif
156 #ifdef CONFIG_LYNXKDI
157 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
158 #endif
159 #ifdef CONFIG_BOOTM_RTEMS
160 [IH_OS_RTEMS] = do_bootm_rtems,
161 #endif
162 #if defined(CONFIG_BOOTM_OSE)
163 [IH_OS_OSE] = do_bootm_ose,
164 #endif
165 #if defined(CONFIG_BOOTM_PLAN9)
166 [IH_OS_PLAN9] = do_bootm_plan9,
167 #endif
168 #if defined(CONFIG_CMD_ELF)
169 [IH_OS_VXWORKS] = do_bootm_vxworks,
170 [IH_OS_QNX] = do_bootm_qnxelf,
171 #endif
172 #ifdef CONFIG_INTEGRITY
173 [IH_OS_INTEGRITY] = do_bootm_integrity,
174 #endif
175 };
176
177 bootm_headers_t images; /* pointers to os/initrd/fdt images */
178
179 /* Allow for arch specific config before we boot */
180 static void __arch_preboot_os(void)
181 {
182 /* please define platform specific arch_preboot_os() */
183 }
184 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
185
186 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
187
188 #ifdef CONFIG_LMB
189 static void boot_start_lmb(bootm_headers_t *images)
190 {
191 ulong mem_start;
192 phys_size_t mem_size;
193
194 lmb_init(&images->lmb);
195
196 mem_start = getenv_bootm_low();
197 mem_size = getenv_bootm_size();
198
199 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
200
201 arch_lmb_reserve(&images->lmb);
202 board_lmb_reserve(&images->lmb);
203 }
204 #else
205 #define lmb_reserve(lmb, base, size)
206 static inline void boot_start_lmb(bootm_headers_t *images) { }
207 #endif
208
209 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
210 {
211 memset((void *)&images, 0, sizeof(images));
212 images.verify = getenv_yesno("verify");
213
214 boot_start_lmb(&images);
215
216 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
217 images.state = BOOTM_STATE_START;
218
219 return 0;
220 }
221
222 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
223 char * const argv[])
224 {
225 const void *os_hdr;
226
227 /* get kernel image header, start address and length */
228 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
229 &images, &images.os.image_start, &images.os.image_len);
230 if (images.os.image_len == 0) {
231 puts("ERROR: can't get kernel image!\n");
232 return 1;
233 }
234
235 /* get image parameters */
236 switch (genimg_get_format(os_hdr)) {
237 case IMAGE_FORMAT_LEGACY:
238 images.os.type = image_get_type(os_hdr);
239 images.os.comp = image_get_comp(os_hdr);
240 images.os.os = image_get_os(os_hdr);
241
242 images.os.end = image_get_image_end(os_hdr);
243 images.os.load = image_get_load(os_hdr);
244 break;
245 #if defined(CONFIG_FIT)
246 case IMAGE_FORMAT_FIT:
247 if (fit_image_get_type(images.fit_hdr_os,
248 images.fit_noffset_os, &images.os.type)) {
249 puts("Can't get image type!\n");
250 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
251 return 1;
252 }
253
254 if (fit_image_get_comp(images.fit_hdr_os,
255 images.fit_noffset_os, &images.os.comp)) {
256 puts("Can't get image compression!\n");
257 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
258 return 1;
259 }
260
261 if (fit_image_get_os(images.fit_hdr_os,
262 images.fit_noffset_os, &images.os.os)) {
263 puts("Can't get image OS!\n");
264 bootstage_error(BOOTSTAGE_ID_FIT_OS);
265 return 1;
266 }
267
268 images.os.end = fit_get_end(images.fit_hdr_os);
269
270 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
271 &images.os.load)) {
272 puts("Can't get image load address!\n");
273 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
274 return 1;
275 }
276 break;
277 #endif
278 default:
279 puts("ERROR: unknown image format type!\n");
280 return 1;
281 }
282
283 /* find kernel entry point */
284 if (images.legacy_hdr_valid) {
285 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
286 #if defined(CONFIG_FIT)
287 } else if (images.fit_uname_os) {
288 int ret;
289
290 ret = fit_image_get_entry(images.fit_hdr_os,
291 images.fit_noffset_os, &images.ep);
292 if (ret) {
293 puts("Can't get entry point property!\n");
294 return 1;
295 }
296 #endif
297 } else {
298 puts("Could not find kernel entry point!\n");
299 return 1;
300 }
301
302 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
303 images.os.load = images.os.image_start;
304 images.ep += images.os.load;
305 }
306
307 images.os.start = (ulong)os_hdr;
308
309 return 0;
310 }
311
312 static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
313 {
314 int ret;
315
316 /* find ramdisk */
317 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
318 &images.rd_start, &images.rd_end);
319 if (ret) {
320 puts("Ramdisk image is corrupt or invalid\n");
321 return 1;
322 }
323
324 return 0;
325 }
326
327 #if defined(CONFIG_OF_LIBFDT)
328 static int bootm_find_fdt(int flag, int argc, char * const argv[])
329 {
330 int ret;
331
332 /* find flattened device tree */
333 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
334 &images.ft_addr, &images.ft_len);
335 if (ret) {
336 puts("Could not find a valid device tree\n");
337 return 1;
338 }
339
340 set_working_fdt_addr(images.ft_addr);
341
342 return 0;
343 }
344 #endif
345
346 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
347 char * const argv[])
348 {
349 if (((images.os.type == IH_TYPE_KERNEL) ||
350 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
351 (images.os.type == IH_TYPE_MULTI)) &&
352 (images.os.os == IH_OS_LINUX)) {
353 if (bootm_find_ramdisk(flag, argc, argv))
354 return 1;
355
356 #if defined(CONFIG_OF_LIBFDT)
357 if (bootm_find_fdt(flag, argc, argv))
358 return 1;
359 #endif
360 }
361
362 return 0;
363 }
364
365 #define BOOTM_ERR_RESET -1
366 #define BOOTM_ERR_OVERLAP -2
367 #define BOOTM_ERR_UNIMPLEMENTED -3
368 static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
369 int boot_progress)
370 {
371 image_info_t os = images->os;
372 uint8_t comp = os.comp;
373 ulong load = os.load;
374 ulong blob_start = os.start;
375 ulong blob_end = os.end;
376 ulong image_start = os.image_start;
377 ulong image_len = os.image_len;
378 __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
379 int no_overlap = 0;
380 void *load_buf, *image_buf;
381 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
382 int ret;
383 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
384
385 const char *type_name = genimg_get_type_name(os.type);
386
387 load_buf = map_sysmem(load, image_len);
388 image_buf = map_sysmem(image_start, image_len);
389 switch (comp) {
390 case IH_COMP_NONE:
391 if (load == blob_start || load == image_start) {
392 printf(" XIP %s ... ", type_name);
393 no_overlap = 1;
394 } else {
395 printf(" Loading %s ... ", type_name);
396 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
397 }
398 *load_end = load + image_len;
399 puts("OK\n");
400 break;
401 #ifdef CONFIG_GZIP
402 case IH_COMP_GZIP:
403 printf(" Uncompressing %s ... ", type_name);
404 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
405 puts("GUNZIP: uncompress, out-of-mem or overwrite "
406 "error - must RESET board to recover\n");
407 if (boot_progress)
408 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
409 return BOOTM_ERR_RESET;
410 }
411
412 *load_end = load + image_len;
413 break;
414 #endif /* CONFIG_GZIP */
415 #ifdef CONFIG_BZIP2
416 case IH_COMP_BZIP2:
417 printf(" Uncompressing %s ... ", type_name);
418 /*
419 * If we've got less than 4 MB of malloc() space,
420 * use slower decompression algorithm which requires
421 * at most 2300 KB of memory.
422 */
423 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
424 image_buf, image_len,
425 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
426 if (i != BZ_OK) {
427 printf("BUNZIP2: uncompress or overwrite error %d "
428 "- must RESET board to recover\n", i);
429 if (boot_progress)
430 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
431 return BOOTM_ERR_RESET;
432 }
433
434 *load_end = load + unc_len;
435 break;
436 #endif /* CONFIG_BZIP2 */
437 #ifdef CONFIG_LZMA
438 case IH_COMP_LZMA: {
439 SizeT lzma_len = unc_len;
440 printf(" Uncompressing %s ... ", type_name);
441
442 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
443 image_buf, image_len);
444 unc_len = lzma_len;
445 if (ret != SZ_OK) {
446 printf("LZMA: uncompress or overwrite error %d "
447 "- must RESET board to recover\n", ret);
448 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
449 return BOOTM_ERR_RESET;
450 }
451 *load_end = load + unc_len;
452 break;
453 }
454 #endif /* CONFIG_LZMA */
455 #ifdef CONFIG_LZO
456 case IH_COMP_LZO:
457 printf(" Uncompressing %s ... ", type_name);
458
459 ret = lzop_decompress(image_buf, image_len, load_buf,
460 &unc_len);
461 if (ret != LZO_E_OK) {
462 printf("LZO: uncompress or overwrite error %d "
463 "- must RESET board to recover\n", ret);
464 if (boot_progress)
465 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
466 return BOOTM_ERR_RESET;
467 }
468
469 *load_end = load + unc_len;
470 break;
471 #endif /* CONFIG_LZO */
472 default:
473 printf("Unimplemented compression type %d\n", comp);
474 return BOOTM_ERR_UNIMPLEMENTED;
475 }
476
477 flush_cache(load, (*load_end - load) * sizeof(ulong));
478
479 puts("OK\n");
480 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
481 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
482
483 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
484 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
485 blob_start, blob_end);
486 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
487 *load_end);
488
489 /* Check what type of image this is. */
490 if (images->legacy_hdr_valid) {
491 if (image_get_type(&images->legacy_hdr_os_copy)
492 == IH_TYPE_MULTI)
493 puts("WARNING: legacy format multi component image overwritten\n");
494 return BOOTM_ERR_OVERLAP;
495 } else {
496 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
497 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
498 return BOOTM_ERR_RESET;
499 }
500 }
501
502 return 0;
503 }
504
505 static int bootm_start_standalone(int argc, char * const argv[])
506 {
507 char *s;
508 int (*appl)(int, char * const []);
509
510 /* Don't start if "autostart" is set to "no" */
511 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
512 setenv_hex("filesize", images.os.image_len);
513 return 0;
514 }
515 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
516 (*appl)(argc, argv);
517 return 0;
518 }
519
520 /* we overload the cmd field with our state machine info instead of a
521 * function pointer */
522 static cmd_tbl_t cmd_bootm_sub[] = {
523 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
524 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
525 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
526 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
527 #endif
528 #ifdef CONFIG_OF_LIBFDT
529 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
530 #endif
531 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
532 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
533 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
534 U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
535 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
536 };
537
538 static int boot_selected_os(int argc, char * const argv[], int state,
539 bootm_headers_t *images, boot_os_fn *boot_fn)
540 {
541 if (images->os.type == IH_TYPE_STANDALONE) {
542 /* This may return when 'autostart' is 'no' */
543 bootm_start_standalone(argc, argv);
544 return 0;
545 }
546 #ifdef CONFIG_SILENT_CONSOLE
547 if (images->os.os == IH_OS_LINUX)
548 fixup_silent_linux();
549 #endif
550 arch_preboot_os();
551 boot_fn(state, argc, argv, images);
552 if (state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
553 return 0;
554 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
555 #ifdef DEBUG
556 puts("\n## Control returned to monitor - resetting...\n");
557 #endif
558 return BOOTM_ERR_RESET;
559 }
560
561 /**
562 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
563 *
564 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
565 * enabled)
566 */
567 static ulong bootm_disable_interrupts(void)
568 {
569 ulong iflag;
570
571 /*
572 * We have reached the point of no return: we are going to
573 * overwrite all exception vector code, so we cannot easily
574 * recover from any failures any more...
575 */
576 iflag = disable_interrupts();
577 #ifdef CONFIG_NETCONSOLE
578 /* Stop the ethernet stack if NetConsole could have left it up */
579 eth_halt();
580 #endif
581
582 #if defined(CONFIG_CMD_USB)
583 /*
584 * turn off USB to prevent the host controller from writing to the
585 * SDRAM while Linux is booting. This could happen (at least for OHCI
586 * controller), because the HCCA (Host Controller Communication Area)
587 * lies within the SDRAM and the host controller writes continously to
588 * this area (as busmaster!). The HccaFrameNumber is for example
589 * updated every 1 ms within the HCCA structure in SDRAM! For more
590 * details see the OpenHCI specification.
591 */
592 usb_stop();
593 #endif
594 return iflag;
595 }
596
597 /**
598 * Execute selected states of the bootm command.
599 *
600 * Note the arguments to this state must be the first argument, Any 'bootm'
601 * or sub-command arguments must have already been taken.
602 *
603 * Note that if states contains more than one flag it MUST contain
604 * BOOTM_STATE_START, since this handles and consumes the command line args.
605 *
606 * Also note that aside from boot_os_fn functions and bootm_load_os no other
607 * functions we store the return value of in 'ret' may use a negative return
608 * value, without special handling.
609 *
610 * @param cmdtp Pointer to bootm command table entry
611 * @param flag Command flags (CMD_FLAG_...)
612 * @param argc Number of subcommand arguments (0 = no arguments)
613 * @param argv Arguments
614 * @param states Mask containing states to run (BOOTM_STATE_...)
615 * @param images Image header information
616 * @param boot_progress 1 to show boot progress, 0 to not do this
617 * @return 0 if ok, something else on error. Some errors will cause this
618 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
619 * then the intent is to boot an OS, so this function will not return
620 * unless the image type is standalone.
621 */
622 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
623 char * const argv[], int states, bootm_headers_t *images,
624 int boot_progress)
625 {
626 boot_os_fn *boot_fn;
627 ulong iflag = 0;
628 int ret = 0, need_boot_fn;
629
630 images->state |= states;
631
632 /*
633 * Work through the states and see how far we get. We stop on
634 * any error.
635 */
636 if (states & BOOTM_STATE_START)
637 ret = bootm_start(cmdtp, flag, argc, argv);
638
639 if (!ret && (states & BOOTM_STATE_FINDOS))
640 ret = bootm_find_os(cmdtp, flag, argc, argv);
641
642 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
643 ret = bootm_find_other(cmdtp, flag, argc, argv);
644 argc = 0; /* consume the args */
645 }
646
647 /* Load the OS */
648 if (!ret && (states & BOOTM_STATE_LOADOS)) {
649 ulong load_end;
650
651 iflag = bootm_disable_interrupts();
652 ret = bootm_load_os(images, &load_end, 0);
653 if (ret && ret != BOOTM_ERR_OVERLAP)
654 goto err;
655
656 if (ret == 0)
657 lmb_reserve(&images->lmb, images->os.load,
658 (load_end - images->os.load));
659 else if (ret == BOOTM_ERR_OVERLAP)
660 ret = 0;
661 }
662
663 /* Relocate the ramdisk */
664 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
665 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
666 ulong rd_len = images->rd_end - images->rd_start;
667
668 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
669 rd_len, &images->initrd_start, &images->initrd_end);
670 if (!ret) {
671 setenv_hex("initrd_start", images->initrd_start);
672 setenv_hex("initrd_end", images->initrd_end);
673 }
674 }
675 #endif
676 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
677 if (!ret && (states & BOOTM_STATE_FDT)) {
678 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
679 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
680 &images->ft_len);
681 }
682 #endif
683
684 /* From now on, we need the OS boot function */
685 if (ret)
686 return ret;
687 boot_fn = boot_os[images->os.os];
688 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
689 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
690 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
691 if (boot_fn == NULL && need_boot_fn) {
692 if (iflag)
693 enable_interrupts();
694 printf("ERROR: booting os '%s' (%d) is not supported\n",
695 genimg_get_os_name(images->os.os), images->os.os);
696 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
697 return 1;
698 }
699
700 /* Call various other states that are not generally used */
701 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
702 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
703 if (!ret && (states & BOOTM_STATE_OS_BD_T))
704 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
705 if (!ret && (states & BOOTM_STATE_OS_PREP))
706 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
707
708 /* Check for unsupported subcommand. */
709 if (ret) {
710 puts("subcommand not supported\n");
711 return ret;
712 }
713
714
715 #ifdef CONFIG_TRACE
716 /* Pretend to run the OS, then run a user command */
717 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
718 char *cmd_list = getenv("fakegocmd");
719
720 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
721 images, boot_fn);
722 if (!ret && cmd_list)
723 ret = run_command_list(cmd_list, -1, flag);
724 }
725 #endif
726 /* Now run the OS! We hope this doesn't return */
727 if (!ret && (states & BOOTM_STATE_OS_GO)) {
728 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
729 images, boot_fn);
730 if (ret)
731 goto err;
732 }
733
734 return ret;
735
736 /* Deal with any fallout */
737 err:
738 if (iflag)
739 enable_interrupts();
740
741 if (ret == BOOTM_ERR_UNIMPLEMENTED)
742 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
743 else if (ret == BOOTM_ERR_RESET)
744 do_reset(cmdtp, flag, argc, argv);
745
746 return ret;
747 }
748
749 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
750 char * const argv[])
751 {
752 int ret = 0;
753 long state;
754 cmd_tbl_t *c;
755
756 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
757 argc--; argv++;
758
759 if (c) {
760 state = (long)c->cmd;
761 if (state == BOOTM_STATE_START)
762 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
763 } else {
764 /* Unrecognized command */
765 return CMD_RET_USAGE;
766 }
767
768 if (state != BOOTM_STATE_START && images.state >= state) {
769 printf("Trying to execute a command out of order\n");
770 return CMD_RET_USAGE;
771 }
772
773 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
774
775 return ret;
776 }
777
778 /*******************************************************************/
779 /* bootm - boot application image from image in memory */
780 /*******************************************************************/
781
782 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
783 {
784 #ifdef CONFIG_NEEDS_MANUAL_RELOC
785 static int relocated = 0;
786
787 if (!relocated) {
788 int i;
789
790 /* relocate boot function table */
791 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
792 if (boot_os[i] != NULL)
793 boot_os[i] += gd->reloc_off;
794
795 /* relocate names of sub-command table */
796 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
797 cmd_bootm_sub[i].name += gd->reloc_off;
798
799 relocated = 1;
800 }
801 #endif
802
803 /* determine if we have a sub command */
804 argc--; argv++;
805 if (argc > 0) {
806 char *endp;
807
808 simple_strtoul(argv[0], &endp, 16);
809 /* endp pointing to NULL means that argv[0] was just a
810 * valid number, pass it along to the normal bootm processing
811 *
812 * If endp is ':' or '#' assume a FIT identifier so pass
813 * along for normal processing.
814 *
815 * Right now we assume the first arg should never be '-'
816 */
817 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
818 return do_bootm_subcommand(cmdtp, flag, argc, argv);
819 }
820
821 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
822 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
823 BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP |
824 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1);
825 }
826
827 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
828 {
829 const char *ep = getenv("autostart");
830
831 if (ep && !strcmp(ep, "yes")) {
832 char *local_args[2];
833 local_args[0] = (char *)cmd;
834 local_args[1] = NULL;
835 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
836 return do_bootm(cmdtp, 0, 1, local_args);
837 }
838
839 return 0;
840 }
841
842 /**
843 * image_get_kernel - verify legacy format kernel image
844 * @img_addr: in RAM address of the legacy format image to be verified
845 * @verify: data CRC verification flag
846 *
847 * image_get_kernel() verifies legacy image integrity and returns pointer to
848 * legacy image header if image verification was completed successfully.
849 *
850 * returns:
851 * pointer to a legacy image header if valid image was found
852 * otherwise return NULL
853 */
854 static image_header_t *image_get_kernel(ulong img_addr, int verify)
855 {
856 image_header_t *hdr = (image_header_t *)img_addr;
857
858 if (!image_check_magic(hdr)) {
859 puts("Bad Magic Number\n");
860 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
861 return NULL;
862 }
863 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
864
865 if (!image_check_hcrc(hdr)) {
866 puts("Bad Header Checksum\n");
867 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
868 return NULL;
869 }
870
871 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
872 image_print_contents(hdr);
873
874 if (verify) {
875 puts(" Verifying Checksum ... ");
876 if (!image_check_dcrc(hdr)) {
877 printf("Bad Data CRC\n");
878 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
879 return NULL;
880 }
881 puts("OK\n");
882 }
883 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
884
885 if (!image_check_target_arch(hdr)) {
886 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
887 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
888 return NULL;
889 }
890 return hdr;
891 }
892
893 /**
894 * boot_get_kernel - find kernel image
895 * @os_data: pointer to a ulong variable, will hold os data start address
896 * @os_len: pointer to a ulong variable, will hold os data length
897 *
898 * boot_get_kernel() tries to find a kernel image, verifies its integrity
899 * and locates kernel data.
900 *
901 * returns:
902 * pointer to image header if valid image was found, plus kernel start
903 * address and length, otherwise NULL
904 */
905 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
906 char * const argv[], bootm_headers_t *images, ulong *os_data,
907 ulong *os_len)
908 {
909 image_header_t *hdr;
910 ulong img_addr;
911 const void *buf;
912 #if defined(CONFIG_FIT)
913 const char *fit_uname_config = NULL;
914 const char *fit_uname_kernel = NULL;
915 int os_noffset;
916 #endif
917
918 /* find out kernel image address */
919 if (argc < 1) {
920 img_addr = load_addr;
921 debug("* kernel: default image load address = 0x%08lx\n",
922 load_addr);
923 #if defined(CONFIG_FIT)
924 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
925 &fit_uname_config)) {
926 debug("* kernel: config '%s' from image at 0x%08lx\n",
927 fit_uname_config, img_addr);
928 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
929 &fit_uname_kernel)) {
930 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
931 fit_uname_kernel, img_addr);
932 #endif
933 } else {
934 img_addr = simple_strtoul(argv[0], NULL, 16);
935 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
936 }
937
938 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
939
940 /* copy from dataflash if needed */
941 img_addr = genimg_get_image(img_addr);
942
943 /* check image type, for FIT images get FIT kernel node */
944 *os_data = *os_len = 0;
945 buf = map_sysmem(img_addr, 0);
946 switch (genimg_get_format(buf)) {
947 case IMAGE_FORMAT_LEGACY:
948 printf("## Booting kernel from Legacy Image at %08lx ...\n",
949 img_addr);
950 hdr = image_get_kernel(img_addr, images->verify);
951 if (!hdr)
952 return NULL;
953 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
954
955 /* get os_data and os_len */
956 switch (image_get_type(hdr)) {
957 case IH_TYPE_KERNEL:
958 case IH_TYPE_KERNEL_NOLOAD:
959 *os_data = image_get_data(hdr);
960 *os_len = image_get_data_size(hdr);
961 break;
962 case IH_TYPE_MULTI:
963 image_multi_getimg(hdr, 0, os_data, os_len);
964 break;
965 case IH_TYPE_STANDALONE:
966 *os_data = image_get_data(hdr);
967 *os_len = image_get_data_size(hdr);
968 break;
969 default:
970 printf("Wrong Image Type for %s command\n",
971 cmdtp->name);
972 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
973 return NULL;
974 }
975
976 /*
977 * copy image header to allow for image overwrites during
978 * kernel decompression.
979 */
980 memmove(&images->legacy_hdr_os_copy, hdr,
981 sizeof(image_header_t));
982
983 /* save pointer to image header */
984 images->legacy_hdr_os = hdr;
985
986 images->legacy_hdr_valid = 1;
987 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
988 break;
989 #if defined(CONFIG_FIT)
990 case IMAGE_FORMAT_FIT:
991 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
992 img_addr,
993 &fit_uname_kernel, fit_uname_config,
994 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
995 BOOTSTAGE_ID_FIT_KERNEL_START,
996 FIT_LOAD_IGNORED, os_data, os_len);
997 if (os_noffset < 0)
998 return NULL;
999
1000 images->fit_hdr_os = map_sysmem(img_addr, 0);
1001 images->fit_uname_os = fit_uname_kernel;
1002 images->fit_noffset_os = os_noffset;
1003 break;
1004 #endif
1005 default:
1006 printf("Wrong Image Format for %s command\n", cmdtp->name);
1007 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1008 return NULL;
1009 }
1010
1011 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1012 *os_data, *os_len, *os_len);
1013
1014 return buf;
1015 }
1016
1017 #ifdef CONFIG_SYS_LONGHELP
1018 static char bootm_help_text[] =
1019 "[addr [arg ...]]\n - boot application image stored in memory\n"
1020 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1021 "\t'arg' can be the address of an initrd image\n"
1022 #if defined(CONFIG_OF_LIBFDT)
1023 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1024 "\ta third argument is required which is the address of the\n"
1025 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1026 "\tuse a '-' for the second argument. If you do not pass a third\n"
1027 "\ta bd_info struct will be passed instead\n"
1028 #endif
1029 #if defined(CONFIG_FIT)
1030 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1031 "\tmust be extened to include component or configuration unit name:\n"
1032 "\taddr:<subimg_uname> - direct component image specification\n"
1033 "\taddr#<conf_uname> - configuration specification\n"
1034 "\tUse iminfo command to get the list of existing component\n"
1035 "\timages and configurations.\n"
1036 #endif
1037 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1038 "must be\n"
1039 "issued in the order below (it's ok to not issue all sub-commands):\n"
1040 "\tstart [addr [arg ...]]\n"
1041 "\tloados - load OS image\n"
1042 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1043 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1044 #endif
1045 #if defined(CONFIG_OF_LIBFDT)
1046 "\tfdt - relocate flat device tree\n"
1047 #endif
1048 "\tcmdline - OS specific command line processing/setup\n"
1049 "\tbdt - OS specific bd_t processing\n"
1050 "\tprep - OS specific prep before relocation or go\n"
1051 "\tgo - start OS";
1052 #endif
1053
1054 U_BOOT_CMD(
1055 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1056 "boot application image from memory", bootm_help_text
1057 );
1058
1059 /*******************************************************************/
1060 /* bootd - boot default image */
1061 /*******************************************************************/
1062 #if defined(CONFIG_CMD_BOOTD)
1063 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1064 {
1065 int rcode = 0;
1066
1067 if (run_command(getenv("bootcmd"), flag) < 0)
1068 rcode = 1;
1069 return rcode;
1070 }
1071
1072 U_BOOT_CMD(
1073 boot, 1, 1, do_bootd,
1074 "boot default, i.e., run 'bootcmd'",
1075 ""
1076 );
1077
1078 /* keep old command name "bootd" for backward compatibility */
1079 U_BOOT_CMD(
1080 bootd, 1, 1, do_bootd,
1081 "boot default, i.e., run 'bootcmd'",
1082 ""
1083 );
1084
1085 #endif
1086
1087
1088 /*******************************************************************/
1089 /* iminfo - print header info for a requested image */
1090 /*******************************************************************/
1091 #if defined(CONFIG_CMD_IMI)
1092 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1093 {
1094 int arg;
1095 ulong addr;
1096 int rcode = 0;
1097
1098 if (argc < 2) {
1099 return image_info(load_addr);
1100 }
1101
1102 for (arg = 1; arg < argc; ++arg) {
1103 addr = simple_strtoul(argv[arg], NULL, 16);
1104 if (image_info(addr) != 0)
1105 rcode = 1;
1106 }
1107 return rcode;
1108 }
1109
1110 static int image_info(ulong addr)
1111 {
1112 void *hdr = (void *)addr;
1113
1114 printf("\n## Checking Image at %08lx ...\n", addr);
1115
1116 switch (genimg_get_format(hdr)) {
1117 case IMAGE_FORMAT_LEGACY:
1118 puts(" Legacy image found\n");
1119 if (!image_check_magic(hdr)) {
1120 puts(" Bad Magic Number\n");
1121 return 1;
1122 }
1123
1124 if (!image_check_hcrc(hdr)) {
1125 puts(" Bad Header Checksum\n");
1126 return 1;
1127 }
1128
1129 image_print_contents(hdr);
1130
1131 puts(" Verifying Checksum ... ");
1132 if (!image_check_dcrc(hdr)) {
1133 puts(" Bad Data CRC\n");
1134 return 1;
1135 }
1136 puts("OK\n");
1137 return 0;
1138 #if defined(CONFIG_FIT)
1139 case IMAGE_FORMAT_FIT:
1140 puts(" FIT image found\n");
1141
1142 if (!fit_check_format(hdr)) {
1143 puts("Bad FIT image format!\n");
1144 return 1;
1145 }
1146
1147 fit_print_contents(hdr);
1148
1149 if (!fit_all_image_verify(hdr)) {
1150 puts("Bad hash in FIT image!\n");
1151 return 1;
1152 }
1153
1154 return 0;
1155 #endif
1156 default:
1157 puts("Unknown image format!\n");
1158 break;
1159 }
1160
1161 return 1;
1162 }
1163
1164 U_BOOT_CMD(
1165 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1166 "print header information for application image",
1167 "addr [addr ...]\n"
1168 " - print header information for application image starting at\n"
1169 " address 'addr' in memory; this includes verification of the\n"
1170 " image contents (magic number, header and payload checksums)"
1171 );
1172 #endif
1173
1174
1175 /*******************************************************************/
1176 /* imls - list all images found in flash */
1177 /*******************************************************************/
1178 #if defined(CONFIG_CMD_IMLS)
1179 static int do_imls_nor(void)
1180 {
1181 flash_info_t *info;
1182 int i, j;
1183 void *hdr;
1184
1185 for (i = 0, info = &flash_info[0];
1186 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1187
1188 if (info->flash_id == FLASH_UNKNOWN)
1189 goto next_bank;
1190 for (j = 0; j < info->sector_count; ++j) {
1191
1192 hdr = (void *)info->start[j];
1193 if (!hdr)
1194 goto next_sector;
1195
1196 switch (genimg_get_format(hdr)) {
1197 case IMAGE_FORMAT_LEGACY:
1198 if (!image_check_hcrc(hdr))
1199 goto next_sector;
1200
1201 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1202 image_print_contents(hdr);
1203
1204 puts(" Verifying Checksum ... ");
1205 if (!image_check_dcrc(hdr)) {
1206 puts("Bad Data CRC\n");
1207 } else {
1208 puts("OK\n");
1209 }
1210 break;
1211 #if defined(CONFIG_FIT)
1212 case IMAGE_FORMAT_FIT:
1213 if (!fit_check_format(hdr))
1214 goto next_sector;
1215
1216 printf("FIT Image at %08lX:\n", (ulong)hdr);
1217 fit_print_contents(hdr);
1218 break;
1219 #endif
1220 default:
1221 goto next_sector;
1222 }
1223
1224 next_sector: ;
1225 }
1226 next_bank: ;
1227 }
1228 return 0;
1229 }
1230 #endif
1231
1232 #if defined(CONFIG_CMD_IMLS_NAND)
1233 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1234 size_t len)
1235 {
1236 void *imgdata;
1237 int ret;
1238
1239 imgdata = malloc(len);
1240 if (!imgdata) {
1241 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1242 nand_dev, off);
1243 printf(" Low memory(cannot allocate memory for image)\n");
1244 return -ENOMEM;
1245 }
1246
1247 ret = nand_read_skip_bad(nand, off, &len,
1248 imgdata);
1249 if (ret < 0 && ret != -EUCLEAN) {
1250 free(imgdata);
1251 return ret;
1252 }
1253
1254 if (!image_check_hcrc(imgdata)) {
1255 free(imgdata);
1256 return 0;
1257 }
1258
1259 printf("Legacy Image at NAND device %d offset %08llX:\n",
1260 nand_dev, off);
1261 image_print_contents(imgdata);
1262
1263 puts(" Verifying Checksum ... ");
1264 if (!image_check_dcrc(imgdata))
1265 puts("Bad Data CRC\n");
1266 else
1267 puts("OK\n");
1268
1269 free(imgdata);
1270
1271 return 0;
1272 }
1273
1274 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1275 size_t len)
1276 {
1277 void *imgdata;
1278 int ret;
1279
1280 imgdata = malloc(len);
1281 if (!imgdata) {
1282 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1283 nand_dev, off);
1284 printf(" Low memory(cannot allocate memory for image)\n");
1285 return -ENOMEM;
1286 }
1287
1288 ret = nand_read_skip_bad(nand, off, &len,
1289 imgdata);
1290 if (ret < 0 && ret != -EUCLEAN) {
1291 free(imgdata);
1292 return ret;
1293 }
1294
1295 if (!fit_check_format(imgdata)) {
1296 free(imgdata);
1297 return 0;
1298 }
1299
1300 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1301
1302 fit_print_contents(imgdata);
1303 free(imgdata);
1304
1305 return 0;
1306 }
1307
1308 static int do_imls_nand(void)
1309 {
1310 nand_info_t *nand;
1311 int nand_dev = nand_curr_device;
1312 size_t len;
1313 loff_t off;
1314 u32 buffer[16];
1315
1316 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1317 puts("\nNo NAND devices available\n");
1318 return -ENODEV;
1319 }
1320
1321 printf("\n");
1322
1323 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1324 nand = &nand_info[nand_dev];
1325 if (!nand->name || !nand->size)
1326 continue;
1327
1328 for (off = 0; off < nand->size; off += nand->erasesize) {
1329 const image_header_t *header;
1330 int ret;
1331
1332 if (nand_block_isbad(nand, off))
1333 continue;
1334
1335 len = sizeof(buffer);
1336
1337 ret = nand_read(nand, off, &len, (u8 *)buffer);
1338 if (ret < 0 && ret != -EUCLEAN) {
1339 printf("NAND read error %d at offset %08llX\n",
1340 ret, off);
1341 continue;
1342 }
1343
1344 switch (genimg_get_format(buffer)) {
1345 case IMAGE_FORMAT_LEGACY:
1346 header = (const image_header_t *)buffer;
1347
1348 len = image_get_image_size(header);
1349 nand_imls_legacyimage(nand, nand_dev, off, len);
1350 break;
1351 #if defined(CONFIG_FIT)
1352 case IMAGE_FORMAT_FIT:
1353 len = fit_get_size(buffer);
1354 nand_imls_fitimage(nand, nand_dev, off, len);
1355 break;
1356 #endif
1357 }
1358 }
1359 }
1360
1361 return 0;
1362 }
1363 #endif
1364
1365 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1366 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1367 {
1368 int ret_nor = 0, ret_nand = 0;
1369
1370 #if defined(CONFIG_CMD_IMLS)
1371 ret_nor = do_imls_nor();
1372 #endif
1373
1374 #if defined(CONFIG_CMD_IMLS_NAND)
1375 ret_nand = do_imls_nand();
1376 #endif
1377
1378 if (ret_nor)
1379 return ret_nor;
1380
1381 if (ret_nand)
1382 return ret_nand;
1383
1384 return (0);
1385 }
1386
1387 U_BOOT_CMD(
1388 imls, 1, 1, do_imls,
1389 "list all images found in flash",
1390 "\n"
1391 " - Prints information about all images found at sector/block\n"
1392 " boundaries in nor/nand flash."
1393 );
1394 #endif
1395
1396 /*******************************************************************/
1397 /* helper routines */
1398 /*******************************************************************/
1399 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1400
1401 #define CONSOLE_ARG "console="
1402 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1403
1404 static void fixup_silent_linux(void)
1405 {
1406 char *buf;
1407 const char *env_val;
1408 char *cmdline = getenv("bootargs");
1409
1410 /* Only fix cmdline when requested */
1411 if (!(gd->flags & GD_FLG_SILENT))
1412 return;
1413
1414 debug("before silent fix-up: %s\n", cmdline);
1415 if (cmdline && (cmdline[0] != '\0')) {
1416 char *start = strstr(cmdline, CONSOLE_ARG);
1417
1418 /* Allocate space for maximum possible new command line */
1419 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1420 if (!buf) {
1421 debug("%s: out of memory\n", __func__);
1422 return;
1423 }
1424
1425 if (start) {
1426 char *end = strchr(start, ' ');
1427 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1428
1429 strncpy(buf, cmdline, num_start_bytes);
1430 if (end)
1431 strcpy(buf + num_start_bytes, end);
1432 else
1433 buf[num_start_bytes] = '\0';
1434 } else {
1435 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1436 }
1437 env_val = buf;
1438 } else {
1439 buf = NULL;
1440 env_val = CONSOLE_ARG;
1441 }
1442
1443 setenv("bootargs", env_val);
1444 debug("after silent fix-up: %s\n", env_val);
1445 free(buf);
1446 }
1447 #endif /* CONFIG_SILENT_CONSOLE */
1448
1449 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1450 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1451 {
1452 int i;
1453
1454 for (i = 0; i < argc; i++) {
1455 if (i > 0)
1456 *dest++ = delim;
1457 strcpy(dest, argv[i]);
1458 dest += strlen(argv[i]);
1459 }
1460 }
1461 #endif
1462
1463 /*******************************************************************/
1464 /* OS booting routines */
1465 /*******************************************************************/
1466
1467 #ifdef CONFIG_BOOTM_NETBSD
1468 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1469 bootm_headers_t *images)
1470 {
1471 void (*loader)(bd_t *, image_header_t *, char *, char *);
1472 image_header_t *os_hdr, *hdr;
1473 ulong kernel_data, kernel_len;
1474 char *consdev;
1475 char *cmdline;
1476
1477 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1478 return 1;
1479
1480 #if defined(CONFIG_FIT)
1481 if (!images->legacy_hdr_valid) {
1482 fit_unsupported_reset("NetBSD");
1483 return 1;
1484 }
1485 #endif
1486 hdr = images->legacy_hdr_os;
1487
1488 /*
1489 * Booting a (NetBSD) kernel image
1490 *
1491 * This process is pretty similar to a standalone application:
1492 * The (first part of an multi-) image must be a stage-2 loader,
1493 * which in turn is responsible for loading & invoking the actual
1494 * kernel. The only differences are the parameters being passed:
1495 * besides the board info strucure, the loader expects a command
1496 * line, the name of the console device, and (optionally) the
1497 * address of the original image header.
1498 */
1499 os_hdr = NULL;
1500 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1501 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1502 if (kernel_len)
1503 os_hdr = hdr;
1504 }
1505
1506 consdev = "";
1507 #if defined(CONFIG_8xx_CONS_SMC1)
1508 consdev = "smc1";
1509 #elif defined(CONFIG_8xx_CONS_SMC2)
1510 consdev = "smc2";
1511 #elif defined(CONFIG_8xx_CONS_SCC2)
1512 consdev = "scc2";
1513 #elif defined(CONFIG_8xx_CONS_SCC3)
1514 consdev = "scc3";
1515 #endif
1516
1517 if (argc > 0) {
1518 ulong len;
1519 int i;
1520
1521 for (i = 0, len = 0; i < argc; i += 1)
1522 len += strlen(argv[i]) + 1;
1523 cmdline = malloc(len);
1524 copy_args(cmdline, argc, argv, ' ');
1525 } else if ((cmdline = getenv("bootargs")) == NULL) {
1526 cmdline = "";
1527 }
1528
1529 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1530
1531 printf("## Transferring control to NetBSD stage-2 loader "
1532 "(at address %08lx) ...\n",
1533 (ulong)loader);
1534
1535 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1536
1537 /*
1538 * NetBSD Stage-2 Loader Parameters:
1539 * r3: ptr to board info data
1540 * r4: image address
1541 * r5: console device
1542 * r6: boot args string
1543 */
1544 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1545
1546 return 1;
1547 }
1548 #endif /* CONFIG_BOOTM_NETBSD*/
1549
1550 #ifdef CONFIG_LYNXKDI
1551 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1552 bootm_headers_t *images)
1553 {
1554 image_header_t *hdr = &images->legacy_hdr_os_copy;
1555
1556 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1557 return 1;
1558
1559 #if defined(CONFIG_FIT)
1560 if (!images->legacy_hdr_valid) {
1561 fit_unsupported_reset("Lynx");
1562 return 1;
1563 }
1564 #endif
1565
1566 lynxkdi_boot((image_header_t *)hdr);
1567
1568 return 1;
1569 }
1570 #endif /* CONFIG_LYNXKDI */
1571
1572 #ifdef CONFIG_BOOTM_RTEMS
1573 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1574 bootm_headers_t *images)
1575 {
1576 void (*entry_point)(bd_t *);
1577
1578 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1579 return 1;
1580
1581 #if defined(CONFIG_FIT)
1582 if (!images->legacy_hdr_valid) {
1583 fit_unsupported_reset("RTEMS");
1584 return 1;
1585 }
1586 #endif
1587
1588 entry_point = (void (*)(bd_t *))images->ep;
1589
1590 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1591 (ulong)entry_point);
1592
1593 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1594
1595 /*
1596 * RTEMS Parameters:
1597 * r3: ptr to board info data
1598 */
1599 (*entry_point)(gd->bd);
1600
1601 return 1;
1602 }
1603 #endif /* CONFIG_BOOTM_RTEMS */
1604
1605 #if defined(CONFIG_BOOTM_OSE)
1606 static int do_bootm_ose(int flag, int argc, char * const argv[],
1607 bootm_headers_t *images)
1608 {
1609 void (*entry_point)(void);
1610
1611 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1612 return 1;
1613
1614 #if defined(CONFIG_FIT)
1615 if (!images->legacy_hdr_valid) {
1616 fit_unsupported_reset("OSE");
1617 return 1;
1618 }
1619 #endif
1620
1621 entry_point = (void (*)(void))images->ep;
1622
1623 printf("## Transferring control to OSE (at address %08lx) ...\n",
1624 (ulong)entry_point);
1625
1626 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1627
1628 /*
1629 * OSE Parameters:
1630 * None
1631 */
1632 (*entry_point)();
1633
1634 return 1;
1635 }
1636 #endif /* CONFIG_BOOTM_OSE */
1637
1638 #if defined(CONFIG_BOOTM_PLAN9)
1639 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1640 bootm_headers_t *images)
1641 {
1642 void (*entry_point)(void);
1643 char *s;
1644
1645 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1646 return 1;
1647
1648 #if defined(CONFIG_FIT)
1649 if (!images->legacy_hdr_valid) {
1650 fit_unsupported_reset("Plan 9");
1651 return 1;
1652 }
1653 #endif
1654
1655 /* See README.plan9 */
1656 s = getenv("confaddr");
1657 if (s != NULL) {
1658 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1659
1660 if (argc > 0) {
1661 copy_args(confaddr, argc, argv, '\n');
1662 } else {
1663 s = getenv("bootargs");
1664 if (s != NULL)
1665 strcpy(confaddr, s);
1666 }
1667 }
1668
1669 entry_point = (void (*)(void))images->ep;
1670
1671 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1672 (ulong)entry_point);
1673
1674 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1675
1676 /*
1677 * Plan 9 Parameters:
1678 * None
1679 */
1680 (*entry_point)();
1681
1682 return 1;
1683 }
1684 #endif /* CONFIG_BOOTM_PLAN9 */
1685
1686 #if defined(CONFIG_CMD_ELF)
1687 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1688 bootm_headers_t *images)
1689 {
1690 char str[80];
1691
1692 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1693 return 1;
1694
1695 #if defined(CONFIG_FIT)
1696 if (!images->legacy_hdr_valid) {
1697 fit_unsupported_reset("VxWorks");
1698 return 1;
1699 }
1700 #endif
1701
1702 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1703 setenv("loadaddr", str);
1704 do_bootvx(NULL, 0, 0, NULL);
1705
1706 return 1;
1707 }
1708
1709 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1710 bootm_headers_t *images)
1711 {
1712 char *local_args[2];
1713 char str[16];
1714
1715 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1716 return 1;
1717
1718 #if defined(CONFIG_FIT)
1719 if (!images->legacy_hdr_valid) {
1720 fit_unsupported_reset("QNX");
1721 return 1;
1722 }
1723 #endif
1724
1725 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1726 local_args[0] = argv[0];
1727 local_args[1] = str; /* and provide it via the arguments */
1728 do_bootelf(NULL, 0, 2, local_args);
1729
1730 return 1;
1731 }
1732 #endif
1733
1734 #ifdef CONFIG_INTEGRITY
1735 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1736 bootm_headers_t *images)
1737 {
1738 void (*entry_point)(void);
1739
1740 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1741 return 1;
1742
1743 #if defined(CONFIG_FIT)
1744 if (!images->legacy_hdr_valid) {
1745 fit_unsupported_reset("INTEGRITY");
1746 return 1;
1747 }
1748 #endif
1749
1750 entry_point = (void (*)(void))images->ep;
1751
1752 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1753 (ulong)entry_point);
1754
1755 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1756
1757 /*
1758 * INTEGRITY Parameters:
1759 * None
1760 */
1761 (*entry_point)();
1762
1763 return 1;
1764 }
1765 #endif
1766
1767 #ifdef CONFIG_CMD_BOOTZ
1768
1769 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1770 {
1771 /* Please define bootz_setup() for your platform */
1772
1773 puts("Your platform's zImage format isn't supported yet!\n");
1774 return -1;
1775 }
1776
1777 /*
1778 * zImage booting support
1779 */
1780 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1781 char * const argv[], bootm_headers_t *images)
1782 {
1783 int ret;
1784 ulong zi_start, zi_end;
1785
1786 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1787 images, 1);
1788
1789 /* Setup Linux kernel zImage entry point */
1790 if (!argc) {
1791 images->ep = load_addr;
1792 debug("* kernel: default image load address = 0x%08lx\n",
1793 load_addr);
1794 } else {
1795 images->ep = simple_strtoul(argv[0], NULL, 16);
1796 debug("* kernel: cmdline image address = 0x%08lx\n",
1797 images->ep);
1798 }
1799
1800 ret = bootz_setup(images->ep, &zi_start, &zi_end);
1801 if (ret != 0)
1802 return 1;
1803
1804 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1805
1806 /*
1807 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1808 * have a header that provide this informaiton.
1809 */
1810 if (bootm_find_ramdisk(flag, argc, argv))
1811 return 1;
1812
1813 #if defined(CONFIG_OF_LIBFDT)
1814 if (bootm_find_fdt(flag, argc, argv))
1815 return 1;
1816 #endif
1817
1818 return 0;
1819 }
1820
1821 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1822 {
1823 int ret;
1824
1825 /* Consume 'bootz' */
1826 argc--; argv++;
1827
1828 if (bootz_start(cmdtp, flag, argc, argv, &images))
1829 return 1;
1830
1831 /*
1832 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1833 * disable interrupts ourselves
1834 */
1835 bootm_disable_interrupts();
1836
1837 images.os.os = IH_OS_LINUX;
1838 ret = do_bootm_states(cmdtp, flag, argc, argv,
1839 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1840 BOOTM_STATE_OS_GO,
1841 &images, 1);
1842
1843 return ret;
1844 }
1845
1846 #ifdef CONFIG_SYS_LONGHELP
1847 static char bootz_help_text[] =
1848 "[addr [initrd[:size]] [fdt]]\n"
1849 " - boot Linux zImage stored in memory\n"
1850 "\tThe argument 'initrd' is optional and specifies the address\n"
1851 "\tof the initrd in memory. The optional argument ':size' allows\n"
1852 "\tspecifying the size of RAW initrd.\n"
1853 #if defined(CONFIG_OF_LIBFDT)
1854 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1855 "\ta third argument is required which is the address of the\n"
1856 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1857 "\tuse a '-' for the second argument. If you do not pass a third\n"
1858 "\ta bd_info struct will be passed instead\n"
1859 #endif
1860 "";
1861 #endif
1862
1863 U_BOOT_CMD(
1864 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1865 "boot Linux zImage image from memory", bootz_help_text
1866 );
1867 #endif /* CONFIG_CMD_BOOTZ */
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