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cmd_bootm.c: Re-order bootm_load_os return check for ELDK4.2
[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 == 0)
654 lmb_reserve(&images->lmb, images->os.load,
655 (load_end - images->os.load));
656 else if (ret && ret != BOOTM_ERR_OVERLAP)
657 goto err;
658 else if (ret == BOOTM_ERR_OVERLAP)
659 ret = 0;
660 }
661
662 /* Relocate the ramdisk */
663 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
664 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
665 ulong rd_len = images->rd_end - images->rd_start;
666
667 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
668 rd_len, &images->initrd_start, &images->initrd_end);
669 if (!ret) {
670 setenv_hex("initrd_start", images->initrd_start);
671 setenv_hex("initrd_end", images->initrd_end);
672 }
673 }
674 #endif
675 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
676 if (!ret && (states & BOOTM_STATE_FDT)) {
677 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
678 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
679 &images->ft_len);
680 }
681 #endif
682
683 /* From now on, we need the OS boot function */
684 if (ret)
685 return ret;
686 boot_fn = boot_os[images->os.os];
687 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
688 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
689 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
690 if (boot_fn == NULL && need_boot_fn) {
691 if (iflag)
692 enable_interrupts();
693 printf("ERROR: booting os '%s' (%d) is not supported\n",
694 genimg_get_os_name(images->os.os), images->os.os);
695 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
696 return 1;
697 }
698
699 /* Call various other states that are not generally used */
700 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
701 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
702 if (!ret && (states & BOOTM_STATE_OS_BD_T))
703 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
704 if (!ret && (states & BOOTM_STATE_OS_PREP))
705 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
706
707 /* Check for unsupported subcommand. */
708 if (ret) {
709 puts("subcommand not supported\n");
710 return ret;
711 }
712
713
714 #ifdef CONFIG_TRACE
715 /* Pretend to run the OS, then run a user command */
716 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
717 char *cmd_list = getenv("fakegocmd");
718
719 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
720 images, boot_fn);
721 if (!ret && cmd_list)
722 ret = run_command_list(cmd_list, -1, flag);
723 }
724 #endif
725 /* Now run the OS! We hope this doesn't return */
726 if (!ret && (states & BOOTM_STATE_OS_GO)) {
727 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
728 images, boot_fn);
729 if (ret)
730 goto err;
731 }
732
733 return ret;
734
735 /* Deal with any fallout */
736 err:
737 if (iflag)
738 enable_interrupts();
739
740 if (ret == BOOTM_ERR_UNIMPLEMENTED)
741 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
742 else if (ret == BOOTM_ERR_RESET)
743 do_reset(cmdtp, flag, argc, argv);
744
745 return ret;
746 }
747
748 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
749 char * const argv[])
750 {
751 int ret = 0;
752 long state;
753 cmd_tbl_t *c;
754
755 c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
756 argc--; argv++;
757
758 if (c) {
759 state = (long)c->cmd;
760 if (state == BOOTM_STATE_START)
761 state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
762 } else {
763 /* Unrecognized command */
764 return CMD_RET_USAGE;
765 }
766
767 if (state != BOOTM_STATE_START && images.state >= state) {
768 printf("Trying to execute a command out of order\n");
769 return CMD_RET_USAGE;
770 }
771
772 ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
773
774 return ret;
775 }
776
777 /*******************************************************************/
778 /* bootm - boot application image from image in memory */
779 /*******************************************************************/
780
781 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
782 {
783 #ifdef CONFIG_NEEDS_MANUAL_RELOC
784 static int relocated = 0;
785
786 if (!relocated) {
787 int i;
788
789 /* relocate boot function table */
790 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
791 if (boot_os[i] != NULL)
792 boot_os[i] += gd->reloc_off;
793
794 /* relocate names of sub-command table */
795 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
796 cmd_bootm_sub[i].name += gd->reloc_off;
797
798 relocated = 1;
799 }
800 #endif
801
802 /* determine if we have a sub command */
803 argc--; argv++;
804 if (argc > 0) {
805 char *endp;
806
807 simple_strtoul(argv[0], &endp, 16);
808 /* endp pointing to NULL means that argv[0] was just a
809 * valid number, pass it along to the normal bootm processing
810 *
811 * If endp is ':' or '#' assume a FIT identifier so pass
812 * along for normal processing.
813 *
814 * Right now we assume the first arg should never be '-'
815 */
816 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
817 return do_bootm_subcommand(cmdtp, flag, argc, argv);
818 }
819
820 return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
821 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
822 BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP |
823 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO, &images, 1);
824 }
825
826 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
827 {
828 const char *ep = getenv("autostart");
829
830 if (ep && !strcmp(ep, "yes")) {
831 char *local_args[2];
832 local_args[0] = (char *)cmd;
833 local_args[1] = NULL;
834 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
835 return do_bootm(cmdtp, 0, 1, local_args);
836 }
837
838 return 0;
839 }
840
841 /**
842 * image_get_kernel - verify legacy format kernel image
843 * @img_addr: in RAM address of the legacy format image to be verified
844 * @verify: data CRC verification flag
845 *
846 * image_get_kernel() verifies legacy image integrity and returns pointer to
847 * legacy image header if image verification was completed successfully.
848 *
849 * returns:
850 * pointer to a legacy image header if valid image was found
851 * otherwise return NULL
852 */
853 static image_header_t *image_get_kernel(ulong img_addr, int verify)
854 {
855 image_header_t *hdr = (image_header_t *)img_addr;
856
857 if (!image_check_magic(hdr)) {
858 puts("Bad Magic Number\n");
859 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
860 return NULL;
861 }
862 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
863
864 if (!image_check_hcrc(hdr)) {
865 puts("Bad Header Checksum\n");
866 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
867 return NULL;
868 }
869
870 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
871 image_print_contents(hdr);
872
873 if (verify) {
874 puts(" Verifying Checksum ... ");
875 if (!image_check_dcrc(hdr)) {
876 printf("Bad Data CRC\n");
877 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
878 return NULL;
879 }
880 puts("OK\n");
881 }
882 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
883
884 if (!image_check_target_arch(hdr)) {
885 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
886 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
887 return NULL;
888 }
889 return hdr;
890 }
891
892 /**
893 * boot_get_kernel - find kernel image
894 * @os_data: pointer to a ulong variable, will hold os data start address
895 * @os_len: pointer to a ulong variable, will hold os data length
896 *
897 * boot_get_kernel() tries to find a kernel image, verifies its integrity
898 * and locates kernel data.
899 *
900 * returns:
901 * pointer to image header if valid image was found, plus kernel start
902 * address and length, otherwise NULL
903 */
904 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
905 char * const argv[], bootm_headers_t *images, ulong *os_data,
906 ulong *os_len)
907 {
908 image_header_t *hdr;
909 ulong img_addr;
910 const void *buf;
911 #if defined(CONFIG_FIT)
912 const char *fit_uname_config = NULL;
913 const char *fit_uname_kernel = NULL;
914 int os_noffset;
915 #endif
916
917 /* find out kernel image address */
918 if (argc < 1) {
919 img_addr = load_addr;
920 debug("* kernel: default image load address = 0x%08lx\n",
921 load_addr);
922 #if defined(CONFIG_FIT)
923 } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
924 &fit_uname_config)) {
925 debug("* kernel: config '%s' from image at 0x%08lx\n",
926 fit_uname_config, img_addr);
927 } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
928 &fit_uname_kernel)) {
929 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
930 fit_uname_kernel, img_addr);
931 #endif
932 } else {
933 img_addr = simple_strtoul(argv[0], NULL, 16);
934 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
935 }
936
937 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
938
939 /* copy from dataflash if needed */
940 img_addr = genimg_get_image(img_addr);
941
942 /* check image type, for FIT images get FIT kernel node */
943 *os_data = *os_len = 0;
944 buf = map_sysmem(img_addr, 0);
945 switch (genimg_get_format(buf)) {
946 case IMAGE_FORMAT_LEGACY:
947 printf("## Booting kernel from Legacy Image at %08lx ...\n",
948 img_addr);
949 hdr = image_get_kernel(img_addr, images->verify);
950 if (!hdr)
951 return NULL;
952 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
953
954 /* get os_data and os_len */
955 switch (image_get_type(hdr)) {
956 case IH_TYPE_KERNEL:
957 case IH_TYPE_KERNEL_NOLOAD:
958 *os_data = image_get_data(hdr);
959 *os_len = image_get_data_size(hdr);
960 break;
961 case IH_TYPE_MULTI:
962 image_multi_getimg(hdr, 0, os_data, os_len);
963 break;
964 case IH_TYPE_STANDALONE:
965 *os_data = image_get_data(hdr);
966 *os_len = image_get_data_size(hdr);
967 break;
968 default:
969 printf("Wrong Image Type for %s command\n",
970 cmdtp->name);
971 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
972 return NULL;
973 }
974
975 /*
976 * copy image header to allow for image overwrites during
977 * kernel decompression.
978 */
979 memmove(&images->legacy_hdr_os_copy, hdr,
980 sizeof(image_header_t));
981
982 /* save pointer to image header */
983 images->legacy_hdr_os = hdr;
984
985 images->legacy_hdr_valid = 1;
986 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
987 break;
988 #if defined(CONFIG_FIT)
989 case IMAGE_FORMAT_FIT:
990 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
991 img_addr,
992 &fit_uname_kernel, fit_uname_config,
993 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
994 BOOTSTAGE_ID_FIT_KERNEL_START,
995 FIT_LOAD_IGNORED, os_data, os_len);
996 if (os_noffset < 0)
997 return NULL;
998
999 images->fit_hdr_os = map_sysmem(img_addr, 0);
1000 images->fit_uname_os = fit_uname_kernel;
1001 images->fit_noffset_os = os_noffset;
1002 break;
1003 #endif
1004 default:
1005 printf("Wrong Image Format for %s command\n", cmdtp->name);
1006 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
1007 return NULL;
1008 }
1009
1010 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1011 *os_data, *os_len, *os_len);
1012
1013 return buf;
1014 }
1015
1016 #ifdef CONFIG_SYS_LONGHELP
1017 static char bootm_help_text[] =
1018 "[addr [arg ...]]\n - boot application image stored in memory\n"
1019 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1020 "\t'arg' can be the address of an initrd image\n"
1021 #if defined(CONFIG_OF_LIBFDT)
1022 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1023 "\ta third argument is required which is the address of the\n"
1024 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1025 "\tuse a '-' for the second argument. If you do not pass a third\n"
1026 "\ta bd_info struct will be passed instead\n"
1027 #endif
1028 #if defined(CONFIG_FIT)
1029 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1030 "\tmust be extened to include component or configuration unit name:\n"
1031 "\taddr:<subimg_uname> - direct component image specification\n"
1032 "\taddr#<conf_uname> - configuration specification\n"
1033 "\tUse iminfo command to get the list of existing component\n"
1034 "\timages and configurations.\n"
1035 #endif
1036 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1037 "must be\n"
1038 "issued in the order below (it's ok to not issue all sub-commands):\n"
1039 "\tstart [addr [arg ...]]\n"
1040 "\tloados - load OS image\n"
1041 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1042 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1043 #endif
1044 #if defined(CONFIG_OF_LIBFDT)
1045 "\tfdt - relocate flat device tree\n"
1046 #endif
1047 "\tcmdline - OS specific command line processing/setup\n"
1048 "\tbdt - OS specific bd_t processing\n"
1049 "\tprep - OS specific prep before relocation or go\n"
1050 "\tgo - start OS";
1051 #endif
1052
1053 U_BOOT_CMD(
1054 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1055 "boot application image from memory", bootm_help_text
1056 );
1057
1058 /*******************************************************************/
1059 /* bootd - boot default image */
1060 /*******************************************************************/
1061 #if defined(CONFIG_CMD_BOOTD)
1062 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1063 {
1064 int rcode = 0;
1065
1066 if (run_command(getenv("bootcmd"), flag) < 0)
1067 rcode = 1;
1068 return rcode;
1069 }
1070
1071 U_BOOT_CMD(
1072 boot, 1, 1, do_bootd,
1073 "boot default, i.e., run 'bootcmd'",
1074 ""
1075 );
1076
1077 /* keep old command name "bootd" for backward compatibility */
1078 U_BOOT_CMD(
1079 bootd, 1, 1, do_bootd,
1080 "boot default, i.e., run 'bootcmd'",
1081 ""
1082 );
1083
1084 #endif
1085
1086
1087 /*******************************************************************/
1088 /* iminfo - print header info for a requested image */
1089 /*******************************************************************/
1090 #if defined(CONFIG_CMD_IMI)
1091 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1092 {
1093 int arg;
1094 ulong addr;
1095 int rcode = 0;
1096
1097 if (argc < 2) {
1098 return image_info(load_addr);
1099 }
1100
1101 for (arg = 1; arg < argc; ++arg) {
1102 addr = simple_strtoul(argv[arg], NULL, 16);
1103 if (image_info(addr) != 0)
1104 rcode = 1;
1105 }
1106 return rcode;
1107 }
1108
1109 static int image_info(ulong addr)
1110 {
1111 void *hdr = (void *)addr;
1112
1113 printf("\n## Checking Image at %08lx ...\n", addr);
1114
1115 switch (genimg_get_format(hdr)) {
1116 case IMAGE_FORMAT_LEGACY:
1117 puts(" Legacy image found\n");
1118 if (!image_check_magic(hdr)) {
1119 puts(" Bad Magic Number\n");
1120 return 1;
1121 }
1122
1123 if (!image_check_hcrc(hdr)) {
1124 puts(" Bad Header Checksum\n");
1125 return 1;
1126 }
1127
1128 image_print_contents(hdr);
1129
1130 puts(" Verifying Checksum ... ");
1131 if (!image_check_dcrc(hdr)) {
1132 puts(" Bad Data CRC\n");
1133 return 1;
1134 }
1135 puts("OK\n");
1136 return 0;
1137 #if defined(CONFIG_FIT)
1138 case IMAGE_FORMAT_FIT:
1139 puts(" FIT image found\n");
1140
1141 if (!fit_check_format(hdr)) {
1142 puts("Bad FIT image format!\n");
1143 return 1;
1144 }
1145
1146 fit_print_contents(hdr);
1147
1148 if (!fit_all_image_verify(hdr)) {
1149 puts("Bad hash in FIT image!\n");
1150 return 1;
1151 }
1152
1153 return 0;
1154 #endif
1155 default:
1156 puts("Unknown image format!\n");
1157 break;
1158 }
1159
1160 return 1;
1161 }
1162
1163 U_BOOT_CMD(
1164 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1165 "print header information for application image",
1166 "addr [addr ...]\n"
1167 " - print header information for application image starting at\n"
1168 " address 'addr' in memory; this includes verification of the\n"
1169 " image contents (magic number, header and payload checksums)"
1170 );
1171 #endif
1172
1173
1174 /*******************************************************************/
1175 /* imls - list all images found in flash */
1176 /*******************************************************************/
1177 #if defined(CONFIG_CMD_IMLS)
1178 static int do_imls_nor(void)
1179 {
1180 flash_info_t *info;
1181 int i, j;
1182 void *hdr;
1183
1184 for (i = 0, info = &flash_info[0];
1185 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1186
1187 if (info->flash_id == FLASH_UNKNOWN)
1188 goto next_bank;
1189 for (j = 0; j < info->sector_count; ++j) {
1190
1191 hdr = (void *)info->start[j];
1192 if (!hdr)
1193 goto next_sector;
1194
1195 switch (genimg_get_format(hdr)) {
1196 case IMAGE_FORMAT_LEGACY:
1197 if (!image_check_hcrc(hdr))
1198 goto next_sector;
1199
1200 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1201 image_print_contents(hdr);
1202
1203 puts(" Verifying Checksum ... ");
1204 if (!image_check_dcrc(hdr)) {
1205 puts("Bad Data CRC\n");
1206 } else {
1207 puts("OK\n");
1208 }
1209 break;
1210 #if defined(CONFIG_FIT)
1211 case IMAGE_FORMAT_FIT:
1212 if (!fit_check_format(hdr))
1213 goto next_sector;
1214
1215 printf("FIT Image at %08lX:\n", (ulong)hdr);
1216 fit_print_contents(hdr);
1217 break;
1218 #endif
1219 default:
1220 goto next_sector;
1221 }
1222
1223 next_sector: ;
1224 }
1225 next_bank: ;
1226 }
1227 return 0;
1228 }
1229 #endif
1230
1231 #if defined(CONFIG_CMD_IMLS_NAND)
1232 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1233 size_t len)
1234 {
1235 void *imgdata;
1236 int ret;
1237
1238 imgdata = malloc(len);
1239 if (!imgdata) {
1240 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1241 nand_dev, off);
1242 printf(" Low memory(cannot allocate memory for image)\n");
1243 return -ENOMEM;
1244 }
1245
1246 ret = nand_read_skip_bad(nand, off, &len,
1247 imgdata);
1248 if (ret < 0 && ret != -EUCLEAN) {
1249 free(imgdata);
1250 return ret;
1251 }
1252
1253 if (!image_check_hcrc(imgdata)) {
1254 free(imgdata);
1255 return 0;
1256 }
1257
1258 printf("Legacy Image at NAND device %d offset %08llX:\n",
1259 nand_dev, off);
1260 image_print_contents(imgdata);
1261
1262 puts(" Verifying Checksum ... ");
1263 if (!image_check_dcrc(imgdata))
1264 puts("Bad Data CRC\n");
1265 else
1266 puts("OK\n");
1267
1268 free(imgdata);
1269
1270 return 0;
1271 }
1272
1273 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1274 size_t len)
1275 {
1276 void *imgdata;
1277 int ret;
1278
1279 imgdata = malloc(len);
1280 if (!imgdata) {
1281 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1282 nand_dev, off);
1283 printf(" Low memory(cannot allocate memory for image)\n");
1284 return -ENOMEM;
1285 }
1286
1287 ret = nand_read_skip_bad(nand, off, &len,
1288 imgdata);
1289 if (ret < 0 && ret != -EUCLEAN) {
1290 free(imgdata);
1291 return ret;
1292 }
1293
1294 if (!fit_check_format(imgdata)) {
1295 free(imgdata);
1296 return 0;
1297 }
1298
1299 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1300
1301 fit_print_contents(imgdata);
1302 free(imgdata);
1303
1304 return 0;
1305 }
1306
1307 static int do_imls_nand(void)
1308 {
1309 nand_info_t *nand;
1310 int nand_dev = nand_curr_device;
1311 size_t len;
1312 loff_t off;
1313 u32 buffer[16];
1314
1315 if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1316 puts("\nNo NAND devices available\n");
1317 return -ENODEV;
1318 }
1319
1320 printf("\n");
1321
1322 for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1323 nand = &nand_info[nand_dev];
1324 if (!nand->name || !nand->size)
1325 continue;
1326
1327 for (off = 0; off < nand->size; off += nand->erasesize) {
1328 const image_header_t *header;
1329 int ret;
1330
1331 if (nand_block_isbad(nand, off))
1332 continue;
1333
1334 len = sizeof(buffer);
1335
1336 ret = nand_read(nand, off, &len, (u8 *)buffer);
1337 if (ret < 0 && ret != -EUCLEAN) {
1338 printf("NAND read error %d at offset %08llX\n",
1339 ret, off);
1340 continue;
1341 }
1342
1343 switch (genimg_get_format(buffer)) {
1344 case IMAGE_FORMAT_LEGACY:
1345 header = (const image_header_t *)buffer;
1346
1347 len = image_get_image_size(header);
1348 nand_imls_legacyimage(nand, nand_dev, off, len);
1349 break;
1350 #if defined(CONFIG_FIT)
1351 case IMAGE_FORMAT_FIT:
1352 len = fit_get_size(buffer);
1353 nand_imls_fitimage(nand, nand_dev, off, len);
1354 break;
1355 #endif
1356 }
1357 }
1358 }
1359
1360 return 0;
1361 }
1362 #endif
1363
1364 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1365 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1366 {
1367 int ret_nor = 0, ret_nand = 0;
1368
1369 #if defined(CONFIG_CMD_IMLS)
1370 ret_nor = do_imls_nor();
1371 #endif
1372
1373 #if defined(CONFIG_CMD_IMLS_NAND)
1374 ret_nand = do_imls_nand();
1375 #endif
1376
1377 if (ret_nor)
1378 return ret_nor;
1379
1380 if (ret_nand)
1381 return ret_nand;
1382
1383 return (0);
1384 }
1385
1386 U_BOOT_CMD(
1387 imls, 1, 1, do_imls,
1388 "list all images found in flash",
1389 "\n"
1390 " - Prints information about all images found at sector/block\n"
1391 " boundaries in nor/nand flash."
1392 );
1393 #endif
1394
1395 /*******************************************************************/
1396 /* helper routines */
1397 /*******************************************************************/
1398 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1399
1400 #define CONSOLE_ARG "console="
1401 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1402
1403 static void fixup_silent_linux(void)
1404 {
1405 char *buf;
1406 const char *env_val;
1407 char *cmdline = getenv("bootargs");
1408
1409 /* Only fix cmdline when requested */
1410 if (!(gd->flags & GD_FLG_SILENT))
1411 return;
1412
1413 debug("before silent fix-up: %s\n", cmdline);
1414 if (cmdline && (cmdline[0] != '\0')) {
1415 char *start = strstr(cmdline, CONSOLE_ARG);
1416
1417 /* Allocate space for maximum possible new command line */
1418 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1419 if (!buf) {
1420 debug("%s: out of memory\n", __func__);
1421 return;
1422 }
1423
1424 if (start) {
1425 char *end = strchr(start, ' ');
1426 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1427
1428 strncpy(buf, cmdline, num_start_bytes);
1429 if (end)
1430 strcpy(buf + num_start_bytes, end);
1431 else
1432 buf[num_start_bytes] = '\0';
1433 } else {
1434 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1435 }
1436 env_val = buf;
1437 } else {
1438 buf = NULL;
1439 env_val = CONSOLE_ARG;
1440 }
1441
1442 setenv("bootargs", env_val);
1443 debug("after silent fix-up: %s\n", env_val);
1444 free(buf);
1445 }
1446 #endif /* CONFIG_SILENT_CONSOLE */
1447
1448 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1449 static void copy_args(char *dest, int argc, char * const argv[], char delim)
1450 {
1451 int i;
1452
1453 for (i = 0; i < argc; i++) {
1454 if (i > 0)
1455 *dest++ = delim;
1456 strcpy(dest, argv[i]);
1457 dest += strlen(argv[i]);
1458 }
1459 }
1460 #endif
1461
1462 /*******************************************************************/
1463 /* OS booting routines */
1464 /*******************************************************************/
1465
1466 #ifdef CONFIG_BOOTM_NETBSD
1467 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1468 bootm_headers_t *images)
1469 {
1470 void (*loader)(bd_t *, image_header_t *, char *, char *);
1471 image_header_t *os_hdr, *hdr;
1472 ulong kernel_data, kernel_len;
1473 char *consdev;
1474 char *cmdline;
1475
1476 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1477 return 1;
1478
1479 #if defined(CONFIG_FIT)
1480 if (!images->legacy_hdr_valid) {
1481 fit_unsupported_reset("NetBSD");
1482 return 1;
1483 }
1484 #endif
1485 hdr = images->legacy_hdr_os;
1486
1487 /*
1488 * Booting a (NetBSD) kernel image
1489 *
1490 * This process is pretty similar to a standalone application:
1491 * The (first part of an multi-) image must be a stage-2 loader,
1492 * which in turn is responsible for loading & invoking the actual
1493 * kernel. The only differences are the parameters being passed:
1494 * besides the board info strucure, the loader expects a command
1495 * line, the name of the console device, and (optionally) the
1496 * address of the original image header.
1497 */
1498 os_hdr = NULL;
1499 if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1500 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1501 if (kernel_len)
1502 os_hdr = hdr;
1503 }
1504
1505 consdev = "";
1506 #if defined(CONFIG_8xx_CONS_SMC1)
1507 consdev = "smc1";
1508 #elif defined(CONFIG_8xx_CONS_SMC2)
1509 consdev = "smc2";
1510 #elif defined(CONFIG_8xx_CONS_SCC2)
1511 consdev = "scc2";
1512 #elif defined(CONFIG_8xx_CONS_SCC3)
1513 consdev = "scc3";
1514 #endif
1515
1516 if (argc > 0) {
1517 ulong len;
1518 int i;
1519
1520 for (i = 0, len = 0; i < argc; i += 1)
1521 len += strlen(argv[i]) + 1;
1522 cmdline = malloc(len);
1523 copy_args(cmdline, argc, argv, ' ');
1524 } else if ((cmdline = getenv("bootargs")) == NULL) {
1525 cmdline = "";
1526 }
1527
1528 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1529
1530 printf("## Transferring control to NetBSD stage-2 loader "
1531 "(at address %08lx) ...\n",
1532 (ulong)loader);
1533
1534 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1535
1536 /*
1537 * NetBSD Stage-2 Loader Parameters:
1538 * r3: ptr to board info data
1539 * r4: image address
1540 * r5: console device
1541 * r6: boot args string
1542 */
1543 (*loader)(gd->bd, os_hdr, consdev, cmdline);
1544
1545 return 1;
1546 }
1547 #endif /* CONFIG_BOOTM_NETBSD*/
1548
1549 #ifdef CONFIG_LYNXKDI
1550 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1551 bootm_headers_t *images)
1552 {
1553 image_header_t *hdr = &images->legacy_hdr_os_copy;
1554
1555 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1556 return 1;
1557
1558 #if defined(CONFIG_FIT)
1559 if (!images->legacy_hdr_valid) {
1560 fit_unsupported_reset("Lynx");
1561 return 1;
1562 }
1563 #endif
1564
1565 lynxkdi_boot((image_header_t *)hdr);
1566
1567 return 1;
1568 }
1569 #endif /* CONFIG_LYNXKDI */
1570
1571 #ifdef CONFIG_BOOTM_RTEMS
1572 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1573 bootm_headers_t *images)
1574 {
1575 void (*entry_point)(bd_t *);
1576
1577 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1578 return 1;
1579
1580 #if defined(CONFIG_FIT)
1581 if (!images->legacy_hdr_valid) {
1582 fit_unsupported_reset("RTEMS");
1583 return 1;
1584 }
1585 #endif
1586
1587 entry_point = (void (*)(bd_t *))images->ep;
1588
1589 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1590 (ulong)entry_point);
1591
1592 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1593
1594 /*
1595 * RTEMS Parameters:
1596 * r3: ptr to board info data
1597 */
1598 (*entry_point)(gd->bd);
1599
1600 return 1;
1601 }
1602 #endif /* CONFIG_BOOTM_RTEMS */
1603
1604 #if defined(CONFIG_BOOTM_OSE)
1605 static int do_bootm_ose(int flag, int argc, char * const argv[],
1606 bootm_headers_t *images)
1607 {
1608 void (*entry_point)(void);
1609
1610 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1611 return 1;
1612
1613 #if defined(CONFIG_FIT)
1614 if (!images->legacy_hdr_valid) {
1615 fit_unsupported_reset("OSE");
1616 return 1;
1617 }
1618 #endif
1619
1620 entry_point = (void (*)(void))images->ep;
1621
1622 printf("## Transferring control to OSE (at address %08lx) ...\n",
1623 (ulong)entry_point);
1624
1625 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1626
1627 /*
1628 * OSE Parameters:
1629 * None
1630 */
1631 (*entry_point)();
1632
1633 return 1;
1634 }
1635 #endif /* CONFIG_BOOTM_OSE */
1636
1637 #if defined(CONFIG_BOOTM_PLAN9)
1638 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1639 bootm_headers_t *images)
1640 {
1641 void (*entry_point)(void);
1642 char *s;
1643
1644 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1645 return 1;
1646
1647 #if defined(CONFIG_FIT)
1648 if (!images->legacy_hdr_valid) {
1649 fit_unsupported_reset("Plan 9");
1650 return 1;
1651 }
1652 #endif
1653
1654 /* See README.plan9 */
1655 s = getenv("confaddr");
1656 if (s != NULL) {
1657 char *confaddr = (char *)simple_strtoul(s, NULL, 16);
1658
1659 if (argc > 0) {
1660 copy_args(confaddr, argc, argv, '\n');
1661 } else {
1662 s = getenv("bootargs");
1663 if (s != NULL)
1664 strcpy(confaddr, s);
1665 }
1666 }
1667
1668 entry_point = (void (*)(void))images->ep;
1669
1670 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1671 (ulong)entry_point);
1672
1673 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1674
1675 /*
1676 * Plan 9 Parameters:
1677 * None
1678 */
1679 (*entry_point)();
1680
1681 return 1;
1682 }
1683 #endif /* CONFIG_BOOTM_PLAN9 */
1684
1685 #if defined(CONFIG_CMD_ELF)
1686 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1687 bootm_headers_t *images)
1688 {
1689 char str[80];
1690
1691 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1692 return 1;
1693
1694 #if defined(CONFIG_FIT)
1695 if (!images->legacy_hdr_valid) {
1696 fit_unsupported_reset("VxWorks");
1697 return 1;
1698 }
1699 #endif
1700
1701 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1702 setenv("loadaddr", str);
1703 do_bootvx(NULL, 0, 0, NULL);
1704
1705 return 1;
1706 }
1707
1708 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1709 bootm_headers_t *images)
1710 {
1711 char *local_args[2];
1712 char str[16];
1713
1714 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1715 return 1;
1716
1717 #if defined(CONFIG_FIT)
1718 if (!images->legacy_hdr_valid) {
1719 fit_unsupported_reset("QNX");
1720 return 1;
1721 }
1722 #endif
1723
1724 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1725 local_args[0] = argv[0];
1726 local_args[1] = str; /* and provide it via the arguments */
1727 do_bootelf(NULL, 0, 2, local_args);
1728
1729 return 1;
1730 }
1731 #endif
1732
1733 #ifdef CONFIG_INTEGRITY
1734 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1735 bootm_headers_t *images)
1736 {
1737 void (*entry_point)(void);
1738
1739 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1740 return 1;
1741
1742 #if defined(CONFIG_FIT)
1743 if (!images->legacy_hdr_valid) {
1744 fit_unsupported_reset("INTEGRITY");
1745 return 1;
1746 }
1747 #endif
1748
1749 entry_point = (void (*)(void))images->ep;
1750
1751 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1752 (ulong)entry_point);
1753
1754 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1755
1756 /*
1757 * INTEGRITY Parameters:
1758 * None
1759 */
1760 (*entry_point)();
1761
1762 return 1;
1763 }
1764 #endif
1765
1766 #ifdef CONFIG_CMD_BOOTZ
1767
1768 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
1769 {
1770 /* Please define bootz_setup() for your platform */
1771
1772 puts("Your platform's zImage format isn't supported yet!\n");
1773 return -1;
1774 }
1775
1776 /*
1777 * zImage booting support
1778 */
1779 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1780 char * const argv[], bootm_headers_t *images)
1781 {
1782 int ret;
1783 ulong zi_start, zi_end;
1784
1785 ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1786 images, 1);
1787
1788 /* Setup Linux kernel zImage entry point */
1789 if (!argc) {
1790 images->ep = load_addr;
1791 debug("* kernel: default image load address = 0x%08lx\n",
1792 load_addr);
1793 } else {
1794 images->ep = simple_strtoul(argv[0], NULL, 16);
1795 debug("* kernel: cmdline image address = 0x%08lx\n",
1796 images->ep);
1797 }
1798
1799 ret = bootz_setup(images->ep, &zi_start, &zi_end);
1800 if (ret != 0)
1801 return 1;
1802
1803 lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1804
1805 /*
1806 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1807 * have a header that provide this informaiton.
1808 */
1809 if (bootm_find_ramdisk(flag, argc, argv))
1810 return 1;
1811
1812 #if defined(CONFIG_OF_LIBFDT)
1813 if (bootm_find_fdt(flag, argc, argv))
1814 return 1;
1815 #endif
1816
1817 return 0;
1818 }
1819
1820 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1821 {
1822 int ret;
1823
1824 /* Consume 'bootz' */
1825 argc--; argv++;
1826
1827 if (bootz_start(cmdtp, flag, argc, argv, &images))
1828 return 1;
1829
1830 /*
1831 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1832 * disable interrupts ourselves
1833 */
1834 bootm_disable_interrupts();
1835
1836 images.os.os = IH_OS_LINUX;
1837 ret = do_bootm_states(cmdtp, flag, argc, argv,
1838 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1839 BOOTM_STATE_OS_GO,
1840 &images, 1);
1841
1842 return ret;
1843 }
1844
1845 #ifdef CONFIG_SYS_LONGHELP
1846 static char bootz_help_text[] =
1847 "[addr [initrd[:size]] [fdt]]\n"
1848 " - boot Linux zImage stored in memory\n"
1849 "\tThe argument 'initrd' is optional and specifies the address\n"
1850 "\tof the initrd in memory. The optional argument ':size' allows\n"
1851 "\tspecifying the size of RAW initrd.\n"
1852 #if defined(CONFIG_OF_LIBFDT)
1853 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1854 "\ta third argument is required which is the address of the\n"
1855 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1856 "\tuse a '-' for the second argument. If you do not pass a third\n"
1857 "\ta bd_info struct will be passed instead\n"
1858 #endif
1859 "";
1860 #endif
1861
1862 U_BOOT_CMD(
1863 bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
1864 "boot Linux zImage image from memory", bootz_help_text
1865 );
1866 #endif /* CONFIG_CMD_BOOTZ */
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