2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
33 #include <u-boot/zlib.h>
35 #include <environment.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
40 #if defined(CONFIG_CMD_USB)
44 #ifdef CONFIG_SYS_HUSH_PARSER
48 #if defined(CONFIG_OF_LIBFDT)
51 #include <fdt_support.h>
55 #include <lzma/LzmaTypes.h>
56 #include <lzma/LzmaDec.h>
57 #include <lzma/LzmaTools.h>
58 #endif /* CONFIG_LZMA */
61 #include <linux/lzo.h>
62 #endif /* CONFIG_LZO */
64 DECLARE_GLOBAL_DATA_PTR
;
66 #ifndef CONFIG_SYS_BOOTM_LEN
67 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
71 extern void bz_internal_error(int);
74 #if defined(CONFIG_CMD_IMI)
75 static int image_info (unsigned long addr
);
78 #if defined(CONFIG_CMD_IMLS)
80 extern flash_info_t flash_info
[]; /* info for FLASH chips */
81 static int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
84 #ifdef CONFIG_SILENT_CONSOLE
85 static void fixup_silent_linux (void);
88 static image_header_t
*image_get_kernel (ulong img_addr
, int verify
);
89 #if defined(CONFIG_FIT)
90 static int fit_check_kernel (const void *fit
, int os_noffset
, int verify
);
93 static void *boot_get_kernel (cmd_tbl_t
*cmdtp
, int flag
,int argc
, char * const argv
[],
94 bootm_headers_t
*images
, ulong
*os_data
, ulong
*os_len
);
95 extern int do_reset (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
98 * Continue booting an OS image; caller already has:
99 * - copied image header to global variable `header'
100 * - checked header magic number, checksums (both header & image),
101 * - verified image architecture (PPC) and type (KERNEL or MULTI),
102 * - loaded (first part of) image to header load address,
103 * - disabled interrupts.
105 typedef int boot_os_fn (int flag
, int argc
, char * const argv
[],
106 bootm_headers_t
*images
); /* pointers to os/initrd/fdt */
108 #ifdef CONFIG_BOOTM_LINUX
109 extern boot_os_fn do_bootm_linux
;
111 #ifdef CONFIG_BOOTM_NETBSD
112 static boot_os_fn do_bootm_netbsd
;
114 #if defined(CONFIG_LYNXKDI)
115 static boot_os_fn do_bootm_lynxkdi
;
116 extern void lynxkdi_boot (image_header_t
*);
118 #ifdef CONFIG_BOOTM_RTEMS
119 static boot_os_fn do_bootm_rtems
;
121 #if defined(CONFIG_CMD_ELF)
122 static boot_os_fn do_bootm_vxworks
;
123 static boot_os_fn do_bootm_qnxelf
;
124 int do_bootvx (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
125 int do_bootelf (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
127 #if defined(CONFIG_INTEGRITY)
128 static boot_os_fn do_bootm_integrity
;
131 static boot_os_fn
*boot_os
[] = {
132 #ifdef CONFIG_BOOTM_LINUX
133 [IH_OS_LINUX
] = do_bootm_linux
,
135 #ifdef CONFIG_BOOTM_NETBSD
136 [IH_OS_NETBSD
] = do_bootm_netbsd
,
138 #ifdef CONFIG_LYNXKDI
139 [IH_OS_LYNXOS
] = do_bootm_lynxkdi
,
141 #ifdef CONFIG_BOOTM_RTEMS
142 [IH_OS_RTEMS
] = do_bootm_rtems
,
144 #if defined(CONFIG_CMD_ELF)
145 [IH_OS_VXWORKS
] = do_bootm_vxworks
,
146 [IH_OS_QNX
] = do_bootm_qnxelf
,
148 #ifdef CONFIG_INTEGRITY
149 [IH_OS_INTEGRITY
] = do_bootm_integrity
,
153 ulong load_addr
= CONFIG_SYS_LOAD_ADDR
; /* Default Load Address */
154 static bootm_headers_t images
; /* pointers to os/initrd/fdt images */
156 /* Allow for arch specific config before we boot */
157 void __arch_preboot_os(void)
159 /* please define platform specific arch_preboot_os() */
161 void arch_preboot_os(void) __attribute__((weak
, alias("__arch_preboot_os")));
164 #define IH_INITRD_ARCH IH_ARCH_ARM
165 #elif defined(__avr32__)
166 #define IH_INITRD_ARCH IH_ARCH_AVR32
167 #elif defined(__bfin__)
168 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
169 #elif defined(__I386__)
170 #define IH_INITRD_ARCH IH_ARCH_I386
171 #elif defined(__M68K__)
172 #define IH_INITRD_ARCH IH_ARCH_M68K
173 #elif defined(__microblaze__)
174 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
175 #elif defined(__mips__)
176 #define IH_INITRD_ARCH IH_ARCH_MIPS
177 #elif defined(__nios2__)
178 #define IH_INITRD_ARCH IH_ARCH_NIOS2
179 #elif defined(__PPC__)
180 #define IH_INITRD_ARCH IH_ARCH_PPC
181 #elif defined(__sh__)
182 #define IH_INITRD_ARCH IH_ARCH_SH
183 #elif defined(__sparc__)
184 #define IH_INITRD_ARCH IH_ARCH_SPARC
186 # error Unknown CPU type
189 static void bootm_start_lmb(void)
193 phys_size_t mem_size
;
195 lmb_init(&images
.lmb
);
197 mem_start
= getenv_bootm_low();
198 mem_size
= getenv_bootm_size();
200 lmb_add(&images
.lmb
, (phys_addr_t
)mem_start
, mem_size
);
202 arch_lmb_reserve(&images
.lmb
);
203 board_lmb_reserve(&images
.lmb
);
205 # define lmb_reserve(lmb, base, size)
209 static int bootm_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
214 memset ((void *)&images
, 0, sizeof (images
));
215 images
.verify
= getenv_yesno ("verify");
219 /* get kernel image header, start address and length */
220 os_hdr
= boot_get_kernel (cmdtp
, flag
, argc
, argv
,
221 &images
, &images
.os
.image_start
, &images
.os
.image_len
);
222 if (images
.os
.image_len
== 0) {
223 puts ("ERROR: can't get kernel image!\n");
227 /* get image parameters */
228 switch (genimg_get_format (os_hdr
)) {
229 case IMAGE_FORMAT_LEGACY
:
230 images
.os
.type
= image_get_type (os_hdr
);
231 images
.os
.comp
= image_get_comp (os_hdr
);
232 images
.os
.os
= image_get_os (os_hdr
);
234 images
.os
.end
= image_get_image_end (os_hdr
);
235 images
.os
.load
= image_get_load (os_hdr
);
237 #if defined(CONFIG_FIT)
238 case IMAGE_FORMAT_FIT
:
239 if (fit_image_get_type (images
.fit_hdr_os
,
240 images
.fit_noffset_os
, &images
.os
.type
)) {
241 puts ("Can't get image type!\n");
242 show_boot_progress (-109);
246 if (fit_image_get_comp (images
.fit_hdr_os
,
247 images
.fit_noffset_os
, &images
.os
.comp
)) {
248 puts ("Can't get image compression!\n");
249 show_boot_progress (-110);
253 if (fit_image_get_os (images
.fit_hdr_os
,
254 images
.fit_noffset_os
, &images
.os
.os
)) {
255 puts ("Can't get image OS!\n");
256 show_boot_progress (-111);
260 images
.os
.end
= fit_get_end (images
.fit_hdr_os
);
262 if (fit_image_get_load (images
.fit_hdr_os
, images
.fit_noffset_os
,
264 puts ("Can't get image load address!\n");
265 show_boot_progress (-112);
271 puts ("ERROR: unknown image format type!\n");
275 /* find kernel entry point */
276 if (images
.legacy_hdr_valid
) {
277 images
.ep
= image_get_ep (&images
.legacy_hdr_os_copy
);
278 #if defined(CONFIG_FIT)
279 } else if (images
.fit_uname_os
) {
280 ret
= fit_image_get_entry (images
.fit_hdr_os
,
281 images
.fit_noffset_os
, &images
.ep
);
283 puts ("Can't get entry point property!\n");
288 puts ("Could not find kernel entry point!\n");
292 if (((images
.os
.type
== IH_TYPE_KERNEL
) ||
293 (images
.os
.type
== IH_TYPE_MULTI
)) &&
294 (images
.os
.os
== IH_OS_LINUX
)) {
296 ret
= boot_get_ramdisk (argc
, argv
, &images
, IH_INITRD_ARCH
,
297 &images
.rd_start
, &images
.rd_end
);
299 puts ("Ramdisk image is corrupt or invalid\n");
303 #if defined(CONFIG_OF_LIBFDT)
304 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
305 /* find flattened device tree */
306 ret
= boot_get_fdt (flag
, argc
, argv
, &images
,
307 &images
.ft_addr
, &images
.ft_len
);
309 puts ("Could not find a valid device tree\n");
313 set_working_fdt_addr(images
.ft_addr
);
318 images
.os
.start
= (ulong
)os_hdr
;
319 images
.state
= BOOTM_STATE_START
;
324 #define BOOTM_ERR_RESET -1
325 #define BOOTM_ERR_OVERLAP -2
326 #define BOOTM_ERR_UNIMPLEMENTED -3
327 static int bootm_load_os(image_info_t os
, ulong
*load_end
, int boot_progress
)
329 uint8_t comp
= os
.comp
;
330 ulong load
= os
.load
;
331 ulong blob_start
= os
.start
;
332 ulong blob_end
= os
.end
;
333 ulong image_start
= os
.image_start
;
334 ulong image_len
= os
.image_len
;
335 uint unc_len
= CONFIG_SYS_BOOTM_LEN
;
337 const char *type_name
= genimg_get_type_name (os
.type
);
341 if (load
== blob_start
) {
342 printf (" XIP %s ... ", type_name
);
344 printf (" Loading %s ... ", type_name
);
345 memmove_wd ((void *)load
, (void *)image_start
,
348 *load_end
= load
+ image_len
;
353 printf (" Uncompressing %s ... ", type_name
);
354 if (gunzip ((void *)load
, unc_len
,
355 (uchar
*)image_start
, &image_len
) != 0) {
356 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
357 "- must RESET board to recover\n");
359 show_boot_progress (-6);
360 return BOOTM_ERR_RESET
;
363 *load_end
= load
+ image_len
;
365 #endif /* CONFIG_GZIP */
368 printf (" Uncompressing %s ... ", type_name
);
370 * If we've got less than 4 MB of malloc() space,
371 * use slower decompression algorithm which requires
372 * at most 2300 KB of memory.
374 int i
= BZ2_bzBuffToBuffDecompress ((char*)load
,
375 &unc_len
, (char *)image_start
, image_len
,
376 CONFIG_SYS_MALLOC_LEN
< (4096 * 1024), 0);
378 printf ("BUNZIP2: uncompress or overwrite error %d "
379 "- must RESET board to recover\n", i
);
381 show_boot_progress (-6);
382 return BOOTM_ERR_RESET
;
385 *load_end
= load
+ unc_len
;
387 #endif /* CONFIG_BZIP2 */
390 printf (" Uncompressing %s ... ", type_name
);
392 int ret
= lzmaBuffToBuffDecompress(
393 (unsigned char *)load
, &unc_len
,
394 (unsigned char *)image_start
, image_len
);
396 printf ("LZMA: uncompress or overwrite error %d "
397 "- must RESET board to recover\n", ret
);
398 show_boot_progress (-6);
399 return BOOTM_ERR_RESET
;
401 *load_end
= load
+ unc_len
;
403 #endif /* CONFIG_LZMA */
406 printf (" Uncompressing %s ... ", type_name
);
408 int ret
= lzop_decompress((const unsigned char *)image_start
,
409 image_len
, (unsigned char *)load
,
411 if (ret
!= LZO_E_OK
) {
412 printf ("LZO: uncompress or overwrite error %d "
413 "- must RESET board to recover\n", ret
);
415 show_boot_progress (-6);
416 return BOOTM_ERR_RESET
;
419 *load_end
= load
+ unc_len
;
421 #endif /* CONFIG_LZO */
423 printf ("Unimplemented compression type %d\n", comp
);
424 return BOOTM_ERR_UNIMPLEMENTED
;
427 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load
, *load_end
);
429 show_boot_progress (7);
431 if ((load
< blob_end
) && (*load_end
> blob_start
)) {
432 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start
, blob_end
);
433 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load
, *load_end
);
435 return BOOTM_ERR_OVERLAP
;
441 static int bootm_start_standalone(ulong iflag
, int argc
, char * const argv
[])
444 int (*appl
)(int, char * const []);
446 /* Don't start if "autostart" is set to "no" */
447 if (((s
= getenv("autostart")) != NULL
) && (strcmp(s
, "no") == 0)) {
449 sprintf(buf
, "%lX", images
.os
.image_len
);
450 setenv("filesize", buf
);
453 appl
= (int (*)(int, char * const []))ntohl(images
.ep
);
454 (*appl
)(argc
-1, &argv
[1]);
459 /* we overload the cmd field with our state machine info instead of a
460 * function pointer */
461 static cmd_tbl_t cmd_bootm_sub
[] = {
462 U_BOOT_CMD_MKENT(start
, 0, 1, (void *)BOOTM_STATE_START
, "", ""),
463 U_BOOT_CMD_MKENT(loados
, 0, 1, (void *)BOOTM_STATE_LOADOS
, "", ""),
464 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
465 U_BOOT_CMD_MKENT(ramdisk
, 0, 1, (void *)BOOTM_STATE_RAMDISK
, "", ""),
467 #ifdef CONFIG_OF_LIBFDT
468 U_BOOT_CMD_MKENT(fdt
, 0, 1, (void *)BOOTM_STATE_FDT
, "", ""),
470 U_BOOT_CMD_MKENT(cmdline
, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE
, "", ""),
471 U_BOOT_CMD_MKENT(bdt
, 0, 1, (void *)BOOTM_STATE_OS_BD_T
, "", ""),
472 U_BOOT_CMD_MKENT(prep
, 0, 1, (void *)BOOTM_STATE_OS_PREP
, "", ""),
473 U_BOOT_CMD_MKENT(go
, 0, 1, (void *)BOOTM_STATE_OS_GO
, "", ""),
476 int do_bootm_subcommand (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
483 c
= find_cmd_tbl(argv
[1], &cmd_bootm_sub
[0], ARRAY_SIZE(cmd_bootm_sub
));
488 /* treat start special since it resets the state machine */
489 if (state
== BOOTM_STATE_START
) {
492 return bootm_start(cmdtp
, flag
, argc
, argv
);
495 /* Unrecognized command */
501 if (images
.state
>= state
) {
502 printf ("Trying to execute a command out of order\n");
507 images
.state
|= state
;
508 boot_fn
= boot_os
[images
.os
.os
];
512 case BOOTM_STATE_START
:
513 /* should never occur */
515 case BOOTM_STATE_LOADOS
:
516 ret
= bootm_load_os(images
.os
, &load_end
, 0);
520 lmb_reserve(&images
.lmb
, images
.os
.load
,
521 (load_end
- images
.os
.load
));
523 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
524 case BOOTM_STATE_RAMDISK
:
526 ulong rd_len
= images
.rd_end
- images
.rd_start
;
529 ret
= boot_ramdisk_high(&images
.lmb
, images
.rd_start
,
530 rd_len
, &images
.initrd_start
, &images
.initrd_end
);
534 sprintf(str
, "%lx", images
.initrd_start
);
535 setenv("initrd_start", str
);
536 sprintf(str
, "%lx", images
.initrd_end
);
537 setenv("initrd_end", str
);
541 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
542 case BOOTM_STATE_FDT
:
544 ulong bootmap_base
= getenv_bootm_low();
545 ret
= boot_relocate_fdt(&images
.lmb
, bootmap_base
,
546 &images
.ft_addr
, &images
.ft_len
);
550 case BOOTM_STATE_OS_CMDLINE
:
551 ret
= boot_fn(BOOTM_STATE_OS_CMDLINE
, argc
, argv
, &images
);
553 printf ("cmdline subcommand not supported\n");
555 case BOOTM_STATE_OS_BD_T
:
556 ret
= boot_fn(BOOTM_STATE_OS_BD_T
, argc
, argv
, &images
);
558 printf ("bdt subcommand not supported\n");
560 case BOOTM_STATE_OS_PREP
:
561 ret
= boot_fn(BOOTM_STATE_OS_PREP
, argc
, argv
, &images
);
563 printf ("prep subcommand not supported\n");
565 case BOOTM_STATE_OS_GO
:
566 disable_interrupts();
568 boot_fn(BOOTM_STATE_OS_GO
, argc
, argv
, &images
);
575 /*******************************************************************/
576 /* bootm - boot application image from image in memory */
577 /*******************************************************************/
579 int do_bootm (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
585 #ifndef CONFIG_RELOC_FIXUP_WORKS
586 static int relocated
= 0;
588 /* relocate boot function table */
591 for (i
= 0; i
< ARRAY_SIZE(boot_os
); i
++)
592 if (boot_os
[i
] != NULL
)
593 boot_os
[i
] += gd
->reloc_off
;
598 /* determine if we have a sub command */
602 simple_strtoul(argv
[1], &endp
, 16);
603 /* endp pointing to NULL means that argv[1] was just a
604 * valid number, pass it along to the normal bootm processing
606 * If endp is ':' or '#' assume a FIT identifier so pass
607 * along for normal processing.
609 * Right now we assume the first arg should never be '-'
611 if ((*endp
!= 0) && (*endp
!= ':') && (*endp
!= '#'))
612 return do_bootm_subcommand(cmdtp
, flag
, argc
, argv
);
615 if (bootm_start(cmdtp
, flag
, argc
, argv
))
619 * We have reached the point of no return: we are going to
620 * overwrite all exception vector code, so we cannot easily
621 * recover from any failures any more...
623 iflag
= disable_interrupts();
625 #if defined(CONFIG_CMD_USB)
627 * turn off USB to prevent the host controller from writing to the
628 * SDRAM while Linux is booting. This could happen (at least for OHCI
629 * controller), because the HCCA (Host Controller Communication Area)
630 * lies within the SDRAM and the host controller writes continously to
631 * this area (as busmaster!). The HccaFrameNumber is for example
632 * updated every 1 ms within the HCCA structure in SDRAM! For more
633 * details see the OpenHCI specification.
638 ret
= bootm_load_os(images
.os
, &load_end
, 1);
641 if (ret
== BOOTM_ERR_RESET
)
642 do_reset (cmdtp
, flag
, argc
, argv
);
643 if (ret
== BOOTM_ERR_OVERLAP
) {
644 if (images
.legacy_hdr_valid
) {
645 if (image_get_type (&images
.legacy_hdr_os_copy
) == IH_TYPE_MULTI
)
646 puts ("WARNING: legacy format multi component "
647 "image overwritten\n");
649 puts ("ERROR: new format image overwritten - "
650 "must RESET the board to recover\n");
651 show_boot_progress (-113);
652 do_reset (cmdtp
, flag
, argc
, argv
);
655 if (ret
== BOOTM_ERR_UNIMPLEMENTED
) {
658 show_boot_progress (-7);
663 lmb_reserve(&images
.lmb
, images
.os
.load
, (load_end
- images
.os
.load
));
665 if (images
.os
.type
== IH_TYPE_STANDALONE
) {
668 /* This may return when 'autostart' is 'no' */
669 bootm_start_standalone(iflag
, argc
, argv
);
673 show_boot_progress (8);
675 #ifdef CONFIG_SILENT_CONSOLE
676 if (images
.os
.os
== IH_OS_LINUX
)
677 fixup_silent_linux();
680 boot_fn
= boot_os
[images
.os
.os
];
682 if (boot_fn
== NULL
) {
685 printf ("ERROR: booting os '%s' (%d) is not supported\n",
686 genimg_get_os_name(images
.os
.os
), images
.os
.os
);
687 show_boot_progress (-8);
693 boot_fn(0, argc
, argv
, &images
);
695 show_boot_progress (-9);
697 puts ("\n## Control returned to monitor - resetting...\n");
699 do_reset (cmdtp
, flag
, argc
, argv
);
705 * image_get_kernel - verify legacy format kernel image
706 * @img_addr: in RAM address of the legacy format image to be verified
707 * @verify: data CRC verification flag
709 * image_get_kernel() verifies legacy image integrity and returns pointer to
710 * legacy image header if image verification was completed successfully.
713 * pointer to a legacy image header if valid image was found
714 * otherwise return NULL
716 static image_header_t
*image_get_kernel (ulong img_addr
, int verify
)
718 image_header_t
*hdr
= (image_header_t
*)img_addr
;
720 if (!image_check_magic(hdr
)) {
721 puts ("Bad Magic Number\n");
722 show_boot_progress (-1);
725 show_boot_progress (2);
727 if (!image_check_hcrc (hdr
)) {
728 puts ("Bad Header Checksum\n");
729 show_boot_progress (-2);
733 show_boot_progress (3);
734 image_print_contents (hdr
);
737 puts (" Verifying Checksum ... ");
738 if (!image_check_dcrc (hdr
)) {
739 printf ("Bad Data CRC\n");
740 show_boot_progress (-3);
745 show_boot_progress (4);
747 if (!image_check_target_arch (hdr
)) {
748 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr
));
749 show_boot_progress (-4);
756 * fit_check_kernel - verify FIT format kernel subimage
757 * @fit_hdr: pointer to the FIT image header
758 * os_noffset: kernel subimage node offset within FIT image
759 * @verify: data CRC verification flag
761 * fit_check_kernel() verifies integrity of the kernel subimage and from
762 * specified FIT image.
768 #if defined (CONFIG_FIT)
769 static int fit_check_kernel (const void *fit
, int os_noffset
, int verify
)
771 fit_image_print (fit
, os_noffset
, " ");
774 puts (" Verifying Hash Integrity ... ");
775 if (!fit_image_check_hashes (fit
, os_noffset
)) {
776 puts ("Bad Data Hash\n");
777 show_boot_progress (-104);
782 show_boot_progress (105);
784 if (!fit_image_check_target_arch (fit
, os_noffset
)) {
785 puts ("Unsupported Architecture\n");
786 show_boot_progress (-105);
790 show_boot_progress (106);
791 if (!fit_image_check_type (fit
, os_noffset
, IH_TYPE_KERNEL
)) {
792 puts ("Not a kernel image\n");
793 show_boot_progress (-106);
797 show_boot_progress (107);
800 #endif /* CONFIG_FIT */
803 * boot_get_kernel - find kernel image
804 * @os_data: pointer to a ulong variable, will hold os data start address
805 * @os_len: pointer to a ulong variable, will hold os data length
807 * boot_get_kernel() tries to find a kernel image, verifies its integrity
808 * and locates kernel data.
811 * pointer to image header if valid image was found, plus kernel start
812 * address and length, otherwise NULL
814 static void *boot_get_kernel (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[],
815 bootm_headers_t
*images
, ulong
*os_data
, ulong
*os_len
)
819 #if defined(CONFIG_FIT)
821 const char *fit_uname_config
= NULL
;
822 const char *fit_uname_kernel
= NULL
;
829 /* find out kernel image address */
831 img_addr
= load_addr
;
832 debug ("* kernel: default image load address = 0x%08lx\n",
834 #if defined(CONFIG_FIT)
835 } else if (fit_parse_conf (argv
[1], load_addr
, &img_addr
,
836 &fit_uname_config
)) {
837 debug ("* kernel: config '%s' from image at 0x%08lx\n",
838 fit_uname_config
, img_addr
);
839 } else if (fit_parse_subimage (argv
[1], load_addr
, &img_addr
,
840 &fit_uname_kernel
)) {
841 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
842 fit_uname_kernel
, img_addr
);
845 img_addr
= simple_strtoul(argv
[1], NULL
, 16);
846 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr
);
849 show_boot_progress (1);
851 /* copy from dataflash if needed */
852 img_addr
= genimg_get_image (img_addr
);
854 /* check image type, for FIT images get FIT kernel node */
855 *os_data
= *os_len
= 0;
856 switch (genimg_get_format ((void *)img_addr
)) {
857 case IMAGE_FORMAT_LEGACY
:
858 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
860 hdr
= image_get_kernel (img_addr
, images
->verify
);
863 show_boot_progress (5);
865 /* get os_data and os_len */
866 switch (image_get_type (hdr
)) {
868 *os_data
= image_get_data (hdr
);
869 *os_len
= image_get_data_size (hdr
);
872 image_multi_getimg (hdr
, 0, os_data
, os_len
);
874 case IH_TYPE_STANDALONE
:
875 *os_data
= image_get_data (hdr
);
876 *os_len
= image_get_data_size (hdr
);
879 printf ("Wrong Image Type for %s command\n", cmdtp
->name
);
880 show_boot_progress (-5);
885 * copy image header to allow for image overwrites during kernel
888 memmove (&images
->legacy_hdr_os_copy
, hdr
, sizeof(image_header_t
));
890 /* save pointer to image header */
891 images
->legacy_hdr_os
= hdr
;
893 images
->legacy_hdr_valid
= 1;
894 show_boot_progress (6);
896 #if defined(CONFIG_FIT)
897 case IMAGE_FORMAT_FIT
:
898 fit_hdr
= (void *)img_addr
;
899 printf ("## Booting kernel from FIT Image at %08lx ...\n",
902 if (!fit_check_format (fit_hdr
)) {
903 puts ("Bad FIT kernel image format!\n");
904 show_boot_progress (-100);
907 show_boot_progress (100);
909 if (!fit_uname_kernel
) {
911 * no kernel image node unit name, try to get config
912 * node first. If config unit node name is NULL
913 * fit_conf_get_node() will try to find default config node
915 show_boot_progress (101);
916 cfg_noffset
= fit_conf_get_node (fit_hdr
, fit_uname_config
);
917 if (cfg_noffset
< 0) {
918 show_boot_progress (-101);
921 /* save configuration uname provided in the first
924 images
->fit_uname_cfg
= fdt_get_name (fit_hdr
, cfg_noffset
, NULL
);
925 printf (" Using '%s' configuration\n", images
->fit_uname_cfg
);
926 show_boot_progress (103);
928 os_noffset
= fit_conf_get_kernel_node (fit_hdr
, cfg_noffset
);
929 fit_uname_kernel
= fit_get_name (fit_hdr
, os_noffset
, NULL
);
931 /* get kernel component image node offset */
932 show_boot_progress (102);
933 os_noffset
= fit_image_get_node (fit_hdr
, fit_uname_kernel
);
935 if (os_noffset
< 0) {
936 show_boot_progress (-103);
940 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel
);
942 show_boot_progress (104);
943 if (!fit_check_kernel (fit_hdr
, os_noffset
, images
->verify
))
946 /* get kernel image data address and length */
947 if (fit_image_get_data (fit_hdr
, os_noffset
, &data
, &len
)) {
948 puts ("Could not find kernel subimage data!\n");
949 show_boot_progress (-107);
952 show_boot_progress (108);
955 *os_data
= (ulong
)data
;
956 images
->fit_hdr_os
= fit_hdr
;
957 images
->fit_uname_os
= fit_uname_kernel
;
958 images
->fit_noffset_os
= os_noffset
;
962 printf ("Wrong Image Format for %s command\n", cmdtp
->name
);
963 show_boot_progress (-108);
967 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
968 *os_data
, *os_len
, *os_len
);
970 return (void *)img_addr
;
974 bootm
, CONFIG_SYS_MAXARGS
, 1, do_bootm
,
975 "boot application image from memory",
976 "[addr [arg ...]]\n - boot application image stored in memory\n"
977 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
978 "\t'arg' can be the address of an initrd image\n"
979 #if defined(CONFIG_OF_LIBFDT)
980 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
981 "\ta third argument is required which is the address of the\n"
982 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
983 "\tuse a '-' for the second argument. If you do not pass a third\n"
984 "\ta bd_info struct will be passed instead\n"
986 #if defined(CONFIG_FIT)
987 "\t\nFor the new multi component uImage format (FIT) addresses\n"
988 "\tmust be extened to include component or configuration unit name:\n"
989 "\taddr:<subimg_uname> - direct component image specification\n"
990 "\taddr#<conf_uname> - configuration specification\n"
991 "\tUse iminfo command to get the list of existing component\n"
992 "\timages and configurations.\n"
994 "\nSub-commands to do part of the bootm sequence. The sub-commands "
996 "issued in the order below (it's ok to not issue all sub-commands):\n"
997 "\tstart [addr [arg ...]]\n"
998 "\tloados - load OS image\n"
999 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1000 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1002 #if defined(CONFIG_OF_LIBFDT)
1003 "\tfdt - relocate flat device tree\n"
1005 "\tcmdline - OS specific command line processing/setup\n"
1006 "\tbdt - OS specific bd_t processing\n"
1007 "\tprep - OS specific prep before relocation or go\n"
1011 /*******************************************************************/
1012 /* bootd - boot default image */
1013 /*******************************************************************/
1014 #if defined(CONFIG_CMD_BOOTD)
1015 int do_bootd (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1019 #ifndef CONFIG_SYS_HUSH_PARSER
1020 if (run_command (getenv ("bootcmd"), flag
) < 0)
1023 if (parse_string_outer (getenv ("bootcmd"),
1024 FLAG_PARSE_SEMICOLON
| FLAG_EXIT_FROM_LOOP
) != 0)
1031 boot
, 1, 1, do_bootd
,
1032 "boot default, i.e., run 'bootcmd'",
1036 /* keep old command name "bootd" for backward compatibility */
1038 bootd
, 1, 1, do_bootd
,
1039 "boot default, i.e., run 'bootcmd'",
1046 /*******************************************************************/
1047 /* iminfo - print header info for a requested image */
1048 /*******************************************************************/
1049 #if defined(CONFIG_CMD_IMI)
1050 int do_iminfo (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1057 return image_info (load_addr
);
1060 for (arg
= 1; arg
< argc
; ++arg
) {
1061 addr
= simple_strtoul (argv
[arg
], NULL
, 16);
1062 if (image_info (addr
) != 0)
1068 static int image_info (ulong addr
)
1070 void *hdr
= (void *)addr
;
1072 printf ("\n## Checking Image at %08lx ...\n", addr
);
1074 switch (genimg_get_format (hdr
)) {
1075 case IMAGE_FORMAT_LEGACY
:
1076 puts (" Legacy image found\n");
1077 if (!image_check_magic (hdr
)) {
1078 puts (" Bad Magic Number\n");
1082 if (!image_check_hcrc (hdr
)) {
1083 puts (" Bad Header Checksum\n");
1087 image_print_contents (hdr
);
1089 puts (" Verifying Checksum ... ");
1090 if (!image_check_dcrc (hdr
)) {
1091 puts (" Bad Data CRC\n");
1096 #if defined(CONFIG_FIT)
1097 case IMAGE_FORMAT_FIT
:
1098 puts (" FIT image found\n");
1100 if (!fit_check_format (hdr
)) {
1101 puts ("Bad FIT image format!\n");
1105 fit_print_contents (hdr
);
1107 if (!fit_all_image_check_hashes (hdr
)) {
1108 puts ("Bad hash in FIT image!\n");
1115 puts ("Unknown image format!\n");
1123 iminfo
, CONFIG_SYS_MAXARGS
, 1, do_iminfo
,
1124 "print header information for application image",
1126 " - print header information for application image starting at\n"
1127 " address 'addr' in memory; this includes verification of the\n"
1128 " image contents (magic number, header and payload checksums)"
1133 /*******************************************************************/
1134 /* imls - list all images found in flash */
1135 /*******************************************************************/
1136 #if defined(CONFIG_CMD_IMLS)
1137 int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1143 for (i
= 0, info
= &flash_info
[0];
1144 i
< CONFIG_SYS_MAX_FLASH_BANKS
; ++i
, ++info
) {
1146 if (info
->flash_id
== FLASH_UNKNOWN
)
1148 for (j
= 0; j
< info
->sector_count
; ++j
) {
1150 hdr
= (void *)info
->start
[j
];
1154 switch (genimg_get_format (hdr
)) {
1155 case IMAGE_FORMAT_LEGACY
:
1156 if (!image_check_hcrc (hdr
))
1159 printf ("Legacy Image at %08lX:\n", (ulong
)hdr
);
1160 image_print_contents (hdr
);
1162 puts (" Verifying Checksum ... ");
1163 if (!image_check_dcrc (hdr
)) {
1164 puts ("Bad Data CRC\n");
1169 #if defined(CONFIG_FIT)
1170 case IMAGE_FORMAT_FIT
:
1171 if (!fit_check_format (hdr
))
1174 printf ("FIT Image at %08lX:\n", (ulong
)hdr
);
1175 fit_print_contents (hdr
);
1191 imls
, 1, 1, do_imls
,
1192 "list all images found in flash",
1194 " - Prints information about all images found at sector\n"
1195 " boundaries in flash."
1199 /*******************************************************************/
1200 /* helper routines */
1201 /*******************************************************************/
1202 #ifdef CONFIG_SILENT_CONSOLE
1203 static void fixup_silent_linux ()
1205 char buf
[256], *start
, *end
;
1206 char *cmdline
= getenv ("bootargs");
1208 /* Only fix cmdline when requested */
1209 if (!(gd
->flags
& GD_FLG_SILENT
))
1212 debug ("before silent fix-up: %s\n", cmdline
);
1214 if ((start
= strstr (cmdline
, "console=")) != NULL
) {
1215 end
= strchr (start
, ' ');
1216 strncpy (buf
, cmdline
, (start
- cmdline
+ 8));
1218 strcpy (buf
+ (start
- cmdline
+ 8), end
);
1220 buf
[start
- cmdline
+ 8] = '\0';
1222 strcpy (buf
, cmdline
);
1223 strcat (buf
, " console=");
1226 strcpy (buf
, "console=");
1229 setenv ("bootargs", buf
);
1230 debug ("after silent fix-up: %s\n", buf
);
1232 #endif /* CONFIG_SILENT_CONSOLE */
1235 /*******************************************************************/
1236 /* OS booting routines */
1237 /*******************************************************************/
1239 #ifdef CONFIG_BOOTM_NETBSD
1240 static int do_bootm_netbsd (int flag
, int argc
, char * const argv
[],
1241 bootm_headers_t
*images
)
1243 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
1244 image_header_t
*os_hdr
, *hdr
;
1245 ulong kernel_data
, kernel_len
;
1249 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1252 #if defined(CONFIG_FIT)
1253 if (!images
->legacy_hdr_valid
) {
1254 fit_unsupported_reset ("NetBSD");
1258 hdr
= images
->legacy_hdr_os
;
1261 * Booting a (NetBSD) kernel image
1263 * This process is pretty similar to a standalone application:
1264 * The (first part of an multi-) image must be a stage-2 loader,
1265 * which in turn is responsible for loading & invoking the actual
1266 * kernel. The only differences are the parameters being passed:
1267 * besides the board info strucure, the loader expects a command
1268 * line, the name of the console device, and (optionally) the
1269 * address of the original image header.
1272 if (image_check_type (&images
->legacy_hdr_os_copy
, IH_TYPE_MULTI
)) {
1273 image_multi_getimg (hdr
, 1, &kernel_data
, &kernel_len
);
1279 #if defined (CONFIG_8xx_CONS_SMC1)
1281 #elif defined (CONFIG_8xx_CONS_SMC2)
1283 #elif defined (CONFIG_8xx_CONS_SCC2)
1285 #elif defined (CONFIG_8xx_CONS_SCC3)
1293 for (i
= 2, len
= 0; i
< argc
; i
+= 1)
1294 len
+= strlen (argv
[i
]) + 1;
1295 cmdline
= malloc (len
);
1297 for (i
= 2, len
= 0; i
< argc
; i
+= 1) {
1299 cmdline
[len
++] = ' ';
1300 strcpy (&cmdline
[len
], argv
[i
]);
1301 len
+= strlen (argv
[i
]);
1303 } else if ((cmdline
= getenv ("bootargs")) == NULL
) {
1307 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *))images
->ep
;
1309 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1312 show_boot_progress (15);
1315 * NetBSD Stage-2 Loader Parameters:
1316 * r3: ptr to board info data
1318 * r5: console device
1319 * r6: boot args string
1321 (*loader
) (gd
->bd
, os_hdr
, consdev
, cmdline
);
1325 #endif /* CONFIG_BOOTM_NETBSD*/
1327 #ifdef CONFIG_LYNXKDI
1328 static int do_bootm_lynxkdi (int flag
, int argc
, char * const argv
[],
1329 bootm_headers_t
*images
)
1331 image_header_t
*hdr
= &images
->legacy_hdr_os_copy
;
1333 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1336 #if defined(CONFIG_FIT)
1337 if (!images
->legacy_hdr_valid
) {
1338 fit_unsupported_reset ("Lynx");
1343 lynxkdi_boot ((image_header_t
*)hdr
);
1347 #endif /* CONFIG_LYNXKDI */
1349 #ifdef CONFIG_BOOTM_RTEMS
1350 static int do_bootm_rtems (int flag
, int argc
, char * const argv
[],
1351 bootm_headers_t
*images
)
1353 void (*entry_point
)(bd_t
*);
1355 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1358 #if defined(CONFIG_FIT)
1359 if (!images
->legacy_hdr_valid
) {
1360 fit_unsupported_reset ("RTEMS");
1365 entry_point
= (void (*)(bd_t
*))images
->ep
;
1367 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1368 (ulong
)entry_point
);
1370 show_boot_progress (15);
1374 * r3: ptr to board info data
1376 (*entry_point
)(gd
->bd
);
1380 #endif /* CONFIG_BOOTM_RTEMS */
1382 #if defined(CONFIG_CMD_ELF)
1383 static int do_bootm_vxworks (int flag
, int argc
, char * const argv
[],
1384 bootm_headers_t
*images
)
1388 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1391 #if defined(CONFIG_FIT)
1392 if (!images
->legacy_hdr_valid
) {
1393 fit_unsupported_reset ("VxWorks");
1398 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
1399 setenv("loadaddr", str
);
1400 do_bootvx(NULL
, 0, 0, NULL
);
1405 static int do_bootm_qnxelf(int flag
, int argc
, char * const argv
[],
1406 bootm_headers_t
*images
)
1408 char *local_args
[2];
1411 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1414 #if defined(CONFIG_FIT)
1415 if (!images
->legacy_hdr_valid
) {
1416 fit_unsupported_reset ("QNX");
1421 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
1422 local_args
[0] = argv
[0];
1423 local_args
[1] = str
; /* and provide it via the arguments */
1424 do_bootelf(NULL
, 0, 2, local_args
);
1430 #ifdef CONFIG_INTEGRITY
1431 static int do_bootm_integrity (int flag
, int argc
, char * const argv
[],
1432 bootm_headers_t
*images
)
1434 void (*entry_point
)(void);
1436 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1439 #if defined(CONFIG_FIT)
1440 if (!images
->legacy_hdr_valid
) {
1441 fit_unsupported_reset ("INTEGRITY");
1446 entry_point
= (void (*)(void))images
->ep
;
1448 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1449 (ulong
)entry_point
);
1451 show_boot_progress (15);
1454 * INTEGRITY Parameters: