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 *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 *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 *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 *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 *argv
[]);
125 int do_bootelf (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *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 void __board_lmb_reserve(struct lmb
*lmb
)
158 /* please define platform specific board_lmb_reserve() */
160 void board_lmb_reserve(struct lmb
*lmb
) __attribute__((weak
, alias("__board_lmb_reserve")));
162 void __arch_lmb_reserve(struct lmb
*lmb
)
164 /* please define platform specific arch_lmb_reserve() */
166 void arch_lmb_reserve(struct lmb
*lmb
) __attribute__((weak
, alias("__arch_lmb_reserve")));
168 /* Allow for arch specific config before we boot */
169 void __arch_preboot_os(void)
171 /* please define platform specific arch_preboot_os() */
173 void arch_preboot_os(void) __attribute__((weak
, alias("__arch_preboot_os")));
176 #define IH_INITRD_ARCH IH_ARCH_ARM
177 #elif defined(__avr32__)
178 #define IH_INITRD_ARCH IH_ARCH_AVR32
179 #elif defined(__bfin__)
180 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
181 #elif defined(__I386__)
182 #define IH_INITRD_ARCH IH_ARCH_I386
183 #elif defined(__M68K__)
184 #define IH_INITRD_ARCH IH_ARCH_M68K
185 #elif defined(__microblaze__)
186 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
187 #elif defined(__mips__)
188 #define IH_INITRD_ARCH IH_ARCH_MIPS
189 #elif defined(__nios__)
190 #define IH_INITRD_ARCH IH_ARCH_NIOS
191 #elif defined(__nios2__)
192 #define IH_INITRD_ARCH IH_ARCH_NIOS2
193 #elif defined(__PPC__)
194 #define IH_INITRD_ARCH IH_ARCH_PPC
195 #elif defined(__sh__)
196 #define IH_INITRD_ARCH IH_ARCH_SH
197 #elif defined(__sparc__)
198 #define IH_INITRD_ARCH IH_ARCH_SPARC
200 # error Unknown CPU type
203 static int bootm_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
206 phys_size_t mem_size
;
210 memset ((void *)&images
, 0, sizeof (images
));
211 images
.verify
= getenv_yesno ("verify");
213 lmb_init(&images
.lmb
);
215 mem_start
= getenv_bootm_low();
216 mem_size
= getenv_bootm_size();
218 lmb_add(&images
.lmb
, (phys_addr_t
)mem_start
, mem_size
);
220 arch_lmb_reserve(&images
.lmb
);
221 board_lmb_reserve(&images
.lmb
);
223 /* get kernel image header, start address and length */
224 os_hdr
= boot_get_kernel (cmdtp
, flag
, argc
, argv
,
225 &images
, &images
.os
.image_start
, &images
.os
.image_len
);
226 if (images
.os
.image_len
== 0) {
227 puts ("ERROR: can't get kernel image!\n");
231 /* get image parameters */
232 switch (genimg_get_format (os_hdr
)) {
233 case IMAGE_FORMAT_LEGACY
:
234 images
.os
.type
= image_get_type (os_hdr
);
235 images
.os
.comp
= image_get_comp (os_hdr
);
236 images
.os
.os
= image_get_os (os_hdr
);
238 images
.os
.end
= image_get_image_end (os_hdr
);
239 images
.os
.load
= image_get_load (os_hdr
);
241 #if defined(CONFIG_FIT)
242 case IMAGE_FORMAT_FIT
:
243 if (fit_image_get_type (images
.fit_hdr_os
,
244 images
.fit_noffset_os
, &images
.os
.type
)) {
245 puts ("Can't get image type!\n");
246 show_boot_progress (-109);
250 if (fit_image_get_comp (images
.fit_hdr_os
,
251 images
.fit_noffset_os
, &images
.os
.comp
)) {
252 puts ("Can't get image compression!\n");
253 show_boot_progress (-110);
257 if (fit_image_get_os (images
.fit_hdr_os
,
258 images
.fit_noffset_os
, &images
.os
.os
)) {
259 puts ("Can't get image OS!\n");
260 show_boot_progress (-111);
264 images
.os
.end
= fit_get_end (images
.fit_hdr_os
);
266 if (fit_image_get_load (images
.fit_hdr_os
, images
.fit_noffset_os
,
268 puts ("Can't get image load address!\n");
269 show_boot_progress (-112);
275 puts ("ERROR: unknown image format type!\n");
279 /* find kernel entry point */
280 if (images
.legacy_hdr_valid
) {
281 images
.ep
= image_get_ep (&images
.legacy_hdr_os_copy
);
282 #if defined(CONFIG_FIT)
283 } else if (images
.fit_uname_os
) {
284 ret
= fit_image_get_entry (images
.fit_hdr_os
,
285 images
.fit_noffset_os
, &images
.ep
);
287 puts ("Can't get entry point property!\n");
292 puts ("Could not find kernel entry point!\n");
296 if ((images
.os
.type
== IH_TYPE_KERNEL
) &&
297 (images
.os
.os
== IH_OS_LINUX
)) {
299 ret
= boot_get_ramdisk (argc
, argv
, &images
, IH_INITRD_ARCH
,
300 &images
.rd_start
, &images
.rd_end
);
302 puts ("Ramdisk image is corrupt or invalid\n");
306 #if defined(CONFIG_OF_LIBFDT)
307 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
308 /* find flattened device tree */
309 ret
= boot_get_fdt (flag
, argc
, argv
, &images
,
310 &images
.ft_addr
, &images
.ft_len
);
312 puts ("Could not find a valid device tree\n");
316 set_working_fdt_addr(images
.ft_addr
);
321 images
.os
.start
= (ulong
)os_hdr
;
322 images
.state
= BOOTM_STATE_START
;
327 #define BOOTM_ERR_RESET -1
328 #define BOOTM_ERR_OVERLAP -2
329 #define BOOTM_ERR_UNIMPLEMENTED -3
330 static int bootm_load_os(image_info_t os
, ulong
*load_end
, int boot_progress
)
332 uint8_t comp
= os
.comp
;
333 ulong load
= os
.load
;
334 ulong blob_start
= os
.start
;
335 ulong blob_end
= os
.end
;
336 ulong image_start
= os
.image_start
;
337 ulong image_len
= os
.image_len
;
338 uint unc_len
= CONFIG_SYS_BOOTM_LEN
;
340 const char *type_name
= genimg_get_type_name (os
.type
);
344 if (load
== blob_start
) {
345 printf (" XIP %s ... ", type_name
);
347 printf (" Loading %s ... ", type_name
);
349 if (load
!= image_start
) {
350 memmove_wd ((void *)load
,
351 (void *)image_start
, image_len
, CHUNKSZ
);
354 *load_end
= load
+ image_len
;
358 printf (" Uncompressing %s ... ", type_name
);
359 if (gunzip ((void *)load
, unc_len
,
360 (uchar
*)image_start
, &image_len
) != 0) {
361 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
362 "- must RESET board to recover\n");
364 show_boot_progress (-6);
365 return BOOTM_ERR_RESET
;
368 *load_end
= load
+ image_len
;
372 printf (" Uncompressing %s ... ", type_name
);
374 * If we've got less than 4 MB of malloc() space,
375 * use slower decompression algorithm which requires
376 * at most 2300 KB of memory.
378 int i
= BZ2_bzBuffToBuffDecompress ((char*)load
,
379 &unc_len
, (char *)image_start
, image_len
,
380 CONFIG_SYS_MALLOC_LEN
< (4096 * 1024), 0);
382 printf ("BUNZIP2: uncompress or overwrite error %d "
383 "- must RESET board to recover\n", i
);
385 show_boot_progress (-6);
386 return BOOTM_ERR_RESET
;
389 *load_end
= load
+ unc_len
;
391 #endif /* CONFIG_BZIP2 */
394 printf (" Uncompressing %s ... ", type_name
);
396 int ret
= lzmaBuffToBuffDecompress(
397 (unsigned char *)load
, &unc_len
,
398 (unsigned char *)image_start
, image_len
);
400 printf ("LZMA: uncompress or overwrite error %d "
401 "- must RESET board to recover\n", ret
);
402 show_boot_progress (-6);
403 return BOOTM_ERR_RESET
;
405 *load_end
= load
+ unc_len
;
407 #endif /* CONFIG_LZMA */
410 printf (" Uncompressing %s ... ", type_name
);
412 int ret
= lzop_decompress((const unsigned char *)image_start
,
413 image_len
, (unsigned char *)load
,
415 if (ret
!= LZO_E_OK
) {
416 printf ("LZO: uncompress or overwrite error %d "
417 "- must RESET board to recover\n", ret
);
419 show_boot_progress (-6);
420 return BOOTM_ERR_RESET
;
423 *load_end
= load
+ unc_len
;
425 #endif /* CONFIG_LZO */
427 printf ("Unimplemented compression type %d\n", comp
);
428 return BOOTM_ERR_UNIMPLEMENTED
;
431 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load
, *load_end
);
433 show_boot_progress (7);
435 if ((load
< blob_end
) && (*load_end
> blob_start
)) {
436 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start
, blob_end
);
437 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load
, *load_end
);
439 return BOOTM_ERR_OVERLAP
;
445 static int bootm_start_standalone(ulong iflag
, int argc
, char *argv
[])
448 int (*appl
)(int, char *[]);
450 /* Don't start if "autostart" is set to "no" */
451 if (((s
= getenv("autostart")) != NULL
) && (strcmp(s
, "no") == 0)) {
453 sprintf(buf
, "%lX", images
.os
.image_len
);
454 setenv("filesize", buf
);
457 appl
= (int (*)(int, char *[]))ntohl(images
.ep
);
458 (*appl
)(argc
-1, &argv
[1]);
463 /* we overload the cmd field with our state machine info instead of a
464 * function pointer */
465 cmd_tbl_t cmd_bootm_sub
[] = {
466 U_BOOT_CMD_MKENT(start
, 0, 1, (void *)BOOTM_STATE_START
, "", ""),
467 U_BOOT_CMD_MKENT(loados
, 0, 1, (void *)BOOTM_STATE_LOADOS
, "", ""),
468 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
469 U_BOOT_CMD_MKENT(ramdisk
, 0, 1, (void *)BOOTM_STATE_RAMDISK
, "", ""),
471 #ifdef CONFIG_OF_LIBFDT
472 U_BOOT_CMD_MKENT(fdt
, 0, 1, (void *)BOOTM_STATE_FDT
, "", ""),
474 U_BOOT_CMD_MKENT(cmdline
, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE
, "", ""),
475 U_BOOT_CMD_MKENT(bdt
, 0, 1, (void *)BOOTM_STATE_OS_BD_T
, "", ""),
476 U_BOOT_CMD_MKENT(prep
, 0, 1, (void *)BOOTM_STATE_OS_PREP
, "", ""),
477 U_BOOT_CMD_MKENT(go
, 0, 1, (void *)BOOTM_STATE_OS_GO
, "", ""),
480 int do_bootm_subcommand (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
487 c
= find_cmd_tbl(argv
[1], &cmd_bootm_sub
[0], ARRAY_SIZE(cmd_bootm_sub
));
492 /* treat start special since it resets the state machine */
493 if (state
== BOOTM_STATE_START
) {
496 return bootm_start(cmdtp
, flag
, argc
, argv
);
499 /* Unrecognized command */
505 if (images
.state
>= state
) {
506 printf ("Trying to execute a command out of order\n");
511 images
.state
|= state
;
512 boot_fn
= boot_os
[images
.os
.os
];
516 case BOOTM_STATE_START
:
517 /* should never occur */
519 case BOOTM_STATE_LOADOS
:
520 ret
= bootm_load_os(images
.os
, &load_end
, 0);
524 lmb_reserve(&images
.lmb
, images
.os
.load
,
525 (load_end
- images
.os
.load
));
527 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
528 case BOOTM_STATE_RAMDISK
:
530 ulong rd_len
= images
.rd_end
- images
.rd_start
;
533 ret
= boot_ramdisk_high(&images
.lmb
, images
.rd_start
,
534 rd_len
, &images
.initrd_start
, &images
.initrd_end
);
538 sprintf(str
, "%lx", images
.initrd_start
);
539 setenv("initrd_start", str
);
540 sprintf(str
, "%lx", images
.initrd_end
);
541 setenv("initrd_end", str
);
545 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
546 case BOOTM_STATE_FDT
:
548 ulong bootmap_base
= getenv_bootm_low();
549 ret
= boot_relocate_fdt(&images
.lmb
, bootmap_base
,
550 &images
.ft_addr
, &images
.ft_len
);
554 case BOOTM_STATE_OS_CMDLINE
:
555 ret
= boot_fn(BOOTM_STATE_OS_CMDLINE
, argc
, argv
, &images
);
557 printf ("cmdline subcommand not supported\n");
559 case BOOTM_STATE_OS_BD_T
:
560 ret
= boot_fn(BOOTM_STATE_OS_BD_T
, argc
, argv
, &images
);
562 printf ("bdt subcommand not supported\n");
564 case BOOTM_STATE_OS_PREP
:
565 ret
= boot_fn(BOOTM_STATE_OS_PREP
, argc
, argv
, &images
);
567 printf ("prep subcommand not supported\n");
569 case BOOTM_STATE_OS_GO
:
570 disable_interrupts();
572 boot_fn(BOOTM_STATE_OS_GO
, argc
, argv
, &images
);
579 /*******************************************************************/
580 /* bootm - boot application image from image in memory */
581 /*******************************************************************/
583 int do_bootm (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
589 #ifndef CONFIG_RELOC_FIXUP_WORKS
590 static int relocated
= 0;
592 /* relocate boot function table */
595 for (i
= 0; i
< ARRAY_SIZE(boot_os
); i
++)
596 if (boot_os
[i
] != NULL
)
597 boot_os
[i
] += gd
->reloc_off
;
602 /* determine if we have a sub command */
606 simple_strtoul(argv
[1], &endp
, 16);
607 /* endp pointing to NULL means that argv[1] was just a
608 * valid number, pass it along to the normal bootm processing
610 * If endp is ':' or '#' assume a FIT identifier so pass
611 * along for normal processing.
613 * Right now we assume the first arg should never be '-'
615 if ((*endp
!= 0) && (*endp
!= ':') && (*endp
!= '#'))
616 return do_bootm_subcommand(cmdtp
, flag
, argc
, argv
);
619 if (bootm_start(cmdtp
, flag
, argc
, argv
))
623 * We have reached the point of no return: we are going to
624 * overwrite all exception vector code, so we cannot easily
625 * recover from any failures any more...
627 iflag
= disable_interrupts();
629 #if defined(CONFIG_CMD_USB)
631 * turn off USB to prevent the host controller from writing to the
632 * SDRAM while Linux is booting. This could happen (at least for OHCI
633 * controller), because the HCCA (Host Controller Communication Area)
634 * lies within the SDRAM and the host controller writes continously to
635 * this area (as busmaster!). The HccaFrameNumber is for example
636 * updated every 1 ms within the HCCA structure in SDRAM! For more
637 * details see the OpenHCI specification.
642 #ifdef CONFIG_AMIGAONEG3SE
644 * We've possible left the caches enabled during
645 * bios emulation, so turn them off again
651 ret
= bootm_load_os(images
.os
, &load_end
, 1);
654 if (ret
== BOOTM_ERR_RESET
)
655 do_reset (cmdtp
, flag
, argc
, argv
);
656 if (ret
== BOOTM_ERR_OVERLAP
) {
657 if (images
.legacy_hdr_valid
) {
658 if (image_get_type (&images
.legacy_hdr_os_copy
) == IH_TYPE_MULTI
)
659 puts ("WARNING: legacy format multi component "
660 "image overwritten\n");
662 puts ("ERROR: new format image overwritten - "
663 "must RESET the board to recover\n");
664 show_boot_progress (-113);
665 do_reset (cmdtp
, flag
, argc
, argv
);
668 if (ret
== BOOTM_ERR_UNIMPLEMENTED
) {
671 show_boot_progress (-7);
676 lmb_reserve(&images
.lmb
, images
.os
.load
, (load_end
- images
.os
.load
));
678 if (images
.os
.type
== IH_TYPE_STANDALONE
) {
681 /* This may return when 'autostart' is 'no' */
682 bootm_start_standalone(iflag
, argc
, argv
);
686 show_boot_progress (8);
688 #ifdef CONFIG_SILENT_CONSOLE
689 if (images
.os
.os
== IH_OS_LINUX
)
690 fixup_silent_linux();
693 boot_fn
= boot_os
[images
.os
.os
];
695 if (boot_fn
== NULL
) {
698 printf ("ERROR: booting os '%s' (%d) is not supported\n",
699 genimg_get_os_name(images
.os
.os
), images
.os
.os
);
700 show_boot_progress (-8);
706 boot_fn(0, argc
, argv
, &images
);
708 show_boot_progress (-9);
710 puts ("\n## Control returned to monitor - resetting...\n");
712 do_reset (cmdtp
, flag
, argc
, argv
);
718 * image_get_kernel - verify legacy format kernel image
719 * @img_addr: in RAM address of the legacy format image to be verified
720 * @verify: data CRC verification flag
722 * image_get_kernel() verifies legacy image integrity and returns pointer to
723 * legacy image header if image verification was completed successfully.
726 * pointer to a legacy image header if valid image was found
727 * otherwise return NULL
729 static image_header_t
*image_get_kernel (ulong img_addr
, int verify
)
731 image_header_t
*hdr
= (image_header_t
*)img_addr
;
733 if (!image_check_magic(hdr
)) {
734 puts ("Bad Magic Number\n");
735 show_boot_progress (-1);
738 show_boot_progress (2);
740 if (!image_check_hcrc (hdr
)) {
741 puts ("Bad Header Checksum\n");
742 show_boot_progress (-2);
746 show_boot_progress (3);
747 image_print_contents (hdr
);
750 puts (" Verifying Checksum ... ");
751 if (!image_check_dcrc (hdr
)) {
752 printf ("Bad Data CRC\n");
753 show_boot_progress (-3);
758 show_boot_progress (4);
760 if (!image_check_target_arch (hdr
)) {
761 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr
));
762 show_boot_progress (-4);
769 * fit_check_kernel - verify FIT format kernel subimage
770 * @fit_hdr: pointer to the FIT image header
771 * os_noffset: kernel subimage node offset within FIT image
772 * @verify: data CRC verification flag
774 * fit_check_kernel() verifies integrity of the kernel subimage and from
775 * specified FIT image.
781 #if defined (CONFIG_FIT)
782 static int fit_check_kernel (const void *fit
, int os_noffset
, int verify
)
784 fit_image_print (fit
, os_noffset
, " ");
787 puts (" Verifying Hash Integrity ... ");
788 if (!fit_image_check_hashes (fit
, os_noffset
)) {
789 puts ("Bad Data Hash\n");
790 show_boot_progress (-104);
795 show_boot_progress (105);
797 if (!fit_image_check_target_arch (fit
, os_noffset
)) {
798 puts ("Unsupported Architecture\n");
799 show_boot_progress (-105);
803 show_boot_progress (106);
804 if (!fit_image_check_type (fit
, os_noffset
, IH_TYPE_KERNEL
)) {
805 puts ("Not a kernel image\n");
806 show_boot_progress (-106);
810 show_boot_progress (107);
813 #endif /* CONFIG_FIT */
816 * boot_get_kernel - find kernel image
817 * @os_data: pointer to a ulong variable, will hold os data start address
818 * @os_len: pointer to a ulong variable, will hold os data length
820 * boot_get_kernel() tries to find a kernel image, verifies its integrity
821 * and locates kernel data.
824 * pointer to image header if valid image was found, plus kernel start
825 * address and length, otherwise NULL
827 static void *boot_get_kernel (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
828 bootm_headers_t
*images
, ulong
*os_data
, ulong
*os_len
)
832 #if defined(CONFIG_FIT)
834 const char *fit_uname_config
= NULL
;
835 const char *fit_uname_kernel
= NULL
;
842 /* find out kernel image address */
844 img_addr
= load_addr
;
845 debug ("* kernel: default image load address = 0x%08lx\n",
847 #if defined(CONFIG_FIT)
848 } else if (fit_parse_conf (argv
[1], load_addr
, &img_addr
,
849 &fit_uname_config
)) {
850 debug ("* kernel: config '%s' from image at 0x%08lx\n",
851 fit_uname_config
, img_addr
);
852 } else if (fit_parse_subimage (argv
[1], load_addr
, &img_addr
,
853 &fit_uname_kernel
)) {
854 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
855 fit_uname_kernel
, img_addr
);
858 img_addr
= simple_strtoul(argv
[1], NULL
, 16);
859 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr
);
862 show_boot_progress (1);
864 /* copy from dataflash if needed */
865 img_addr
= genimg_get_image (img_addr
);
867 /* check image type, for FIT images get FIT kernel node */
868 *os_data
= *os_len
= 0;
869 switch (genimg_get_format ((void *)img_addr
)) {
870 case IMAGE_FORMAT_LEGACY
:
871 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
873 hdr
= image_get_kernel (img_addr
, images
->verify
);
876 show_boot_progress (5);
878 /* get os_data and os_len */
879 switch (image_get_type (hdr
)) {
881 *os_data
= image_get_data (hdr
);
882 *os_len
= image_get_data_size (hdr
);
885 image_multi_getimg (hdr
, 0, os_data
, os_len
);
887 case IH_TYPE_STANDALONE
:
889 hdr
->ih_load
= htonl(simple_strtoul(argv
[2], NULL
, 16));
891 *os_data
= image_get_data (hdr
);
892 *os_len
= image_get_data_size (hdr
);
895 printf ("Wrong Image Type for %s command\n", cmdtp
->name
);
896 show_boot_progress (-5);
901 * copy image header to allow for image overwrites during kernel
904 memmove (&images
->legacy_hdr_os_copy
, hdr
, sizeof(image_header_t
));
906 /* save pointer to image header */
907 images
->legacy_hdr_os
= hdr
;
909 images
->legacy_hdr_valid
= 1;
910 show_boot_progress (6);
912 #if defined(CONFIG_FIT)
913 case IMAGE_FORMAT_FIT
:
914 fit_hdr
= (void *)img_addr
;
915 printf ("## Booting kernel from FIT Image at %08lx ...\n",
918 if (!fit_check_format (fit_hdr
)) {
919 puts ("Bad FIT kernel image format!\n");
920 show_boot_progress (-100);
923 show_boot_progress (100);
925 if (!fit_uname_kernel
) {
927 * no kernel image node unit name, try to get config
928 * node first. If config unit node name is NULL
929 * fit_conf_get_node() will try to find default config node
931 show_boot_progress (101);
932 cfg_noffset
= fit_conf_get_node (fit_hdr
, fit_uname_config
);
933 if (cfg_noffset
< 0) {
934 show_boot_progress (-101);
937 /* save configuration uname provided in the first
940 images
->fit_uname_cfg
= fdt_get_name (fit_hdr
, cfg_noffset
, NULL
);
941 printf (" Using '%s' configuration\n", images
->fit_uname_cfg
);
942 show_boot_progress (103);
944 os_noffset
= fit_conf_get_kernel_node (fit_hdr
, cfg_noffset
);
945 fit_uname_kernel
= fit_get_name (fit_hdr
, os_noffset
, NULL
);
947 /* get kernel component image node offset */
948 show_boot_progress (102);
949 os_noffset
= fit_image_get_node (fit_hdr
, fit_uname_kernel
);
951 if (os_noffset
< 0) {
952 show_boot_progress (-103);
956 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel
);
958 show_boot_progress (104);
959 if (!fit_check_kernel (fit_hdr
, os_noffset
, images
->verify
))
962 /* get kernel image data address and length */
963 if (fit_image_get_data (fit_hdr
, os_noffset
, &data
, &len
)) {
964 puts ("Could not find kernel subimage data!\n");
965 show_boot_progress (-107);
968 show_boot_progress (108);
971 *os_data
= (ulong
)data
;
972 images
->fit_hdr_os
= fit_hdr
;
973 images
->fit_uname_os
= fit_uname_kernel
;
974 images
->fit_noffset_os
= os_noffset
;
978 printf ("Wrong Image Format for %s command\n", cmdtp
->name
);
979 show_boot_progress (-108);
983 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
984 *os_data
, *os_len
, *os_len
);
986 return (void *)img_addr
;
990 bootm
, CONFIG_SYS_MAXARGS
, 1, do_bootm
,
991 "boot application image from memory",
992 "[addr [arg ...]]\n - boot application image stored in memory\n"
993 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
994 "\t'arg' can be the address of an initrd image\n"
995 #if defined(CONFIG_OF_LIBFDT)
996 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
997 "\ta third argument is required which is the address of the\n"
998 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
999 "\tuse a '-' for the second argument. If you do not pass a third\n"
1000 "\ta bd_info struct will be passed instead\n"
1002 #if defined(CONFIG_FIT)
1003 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1004 "\tmust be extened to include component or configuration unit name:\n"
1005 "\taddr:<subimg_uname> - direct component image specification\n"
1006 "\taddr#<conf_uname> - configuration specification\n"
1007 "\tUse iminfo command to get the list of existing component\n"
1008 "\timages and configurations.\n"
1010 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1012 "issued in the order below (it's ok to not issue all sub-commands):\n"
1013 "\tstart [addr [arg ...]]\n"
1014 "\tloados - load OS image\n"
1015 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1016 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1018 #if defined(CONFIG_OF_LIBFDT)
1019 "\tfdt - relocate flat device tree\n"
1021 "\tcmdline - OS specific command line processing/setup\n"
1022 "\tbdt - OS specific bd_t processing\n"
1023 "\tprep - OS specific prep before relocation or go\n"
1027 /*******************************************************************/
1028 /* bootd - boot default image */
1029 /*******************************************************************/
1030 #if defined(CONFIG_CMD_BOOTD)
1031 int do_bootd (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1035 #ifndef CONFIG_SYS_HUSH_PARSER
1036 if (run_command (getenv ("bootcmd"), flag
) < 0)
1039 if (parse_string_outer (getenv ("bootcmd"),
1040 FLAG_PARSE_SEMICOLON
| FLAG_EXIT_FROM_LOOP
) != 0)
1047 boot
, 1, 1, do_bootd
,
1048 "boot default, i.e., run 'bootcmd'",
1052 /* keep old command name "bootd" for backward compatibility */
1054 bootd
, 1, 1, do_bootd
,
1055 "boot default, i.e., run 'bootcmd'",
1062 /*******************************************************************/
1063 /* iminfo - print header info for a requested image */
1064 /*******************************************************************/
1065 #if defined(CONFIG_CMD_IMI)
1066 int do_iminfo (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1073 return image_info (load_addr
);
1076 for (arg
= 1; arg
< argc
; ++arg
) {
1077 addr
= simple_strtoul (argv
[arg
], NULL
, 16);
1078 if (image_info (addr
) != 0)
1084 static int image_info (ulong addr
)
1086 void *hdr
= (void *)addr
;
1088 printf ("\n## Checking Image at %08lx ...\n", addr
);
1090 switch (genimg_get_format (hdr
)) {
1091 case IMAGE_FORMAT_LEGACY
:
1092 puts (" Legacy image found\n");
1093 if (!image_check_magic (hdr
)) {
1094 puts (" Bad Magic Number\n");
1098 if (!image_check_hcrc (hdr
)) {
1099 puts (" Bad Header Checksum\n");
1103 image_print_contents (hdr
);
1105 puts (" Verifying Checksum ... ");
1106 if (!image_check_dcrc (hdr
)) {
1107 puts (" Bad Data CRC\n");
1112 #if defined(CONFIG_FIT)
1113 case IMAGE_FORMAT_FIT
:
1114 puts (" FIT image found\n");
1116 if (!fit_check_format (hdr
)) {
1117 puts ("Bad FIT image format!\n");
1121 fit_print_contents (hdr
);
1123 if (!fit_all_image_check_hashes (hdr
)) {
1124 puts ("Bad hash in FIT image!\n");
1131 puts ("Unknown image format!\n");
1139 iminfo
, CONFIG_SYS_MAXARGS
, 1, do_iminfo
,
1140 "print header information for application image",
1142 " - print header information for application image starting at\n"
1143 " address 'addr' in memory; this includes verification of the\n"
1144 " image contents (magic number, header and payload checksums)"
1149 /*******************************************************************/
1150 /* imls - list all images found in flash */
1151 /*******************************************************************/
1152 #if defined(CONFIG_CMD_IMLS)
1153 int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1159 for (i
= 0, info
= &flash_info
[0];
1160 i
< CONFIG_SYS_MAX_FLASH_BANKS
; ++i
, ++info
) {
1162 if (info
->flash_id
== FLASH_UNKNOWN
)
1164 for (j
= 0; j
< info
->sector_count
; ++j
) {
1166 hdr
= (void *)info
->start
[j
];
1170 switch (genimg_get_format (hdr
)) {
1171 case IMAGE_FORMAT_LEGACY
:
1172 if (!image_check_hcrc (hdr
))
1175 printf ("Legacy Image at %08lX:\n", (ulong
)hdr
);
1176 image_print_contents (hdr
);
1178 puts (" Verifying Checksum ... ");
1179 if (!image_check_dcrc (hdr
)) {
1180 puts ("Bad Data CRC\n");
1185 #if defined(CONFIG_FIT)
1186 case IMAGE_FORMAT_FIT
:
1187 if (!fit_check_format (hdr
))
1190 printf ("FIT Image at %08lX:\n", (ulong
)hdr
);
1191 fit_print_contents (hdr
);
1207 imls
, 1, 1, do_imls
,
1208 "list all images found in flash",
1210 " - Prints information about all images found at sector\n"
1211 " boundaries in flash."
1215 /*******************************************************************/
1216 /* helper routines */
1217 /*******************************************************************/
1218 #ifdef CONFIG_SILENT_CONSOLE
1219 static void fixup_silent_linux ()
1221 char buf
[256], *start
, *end
;
1222 char *cmdline
= getenv ("bootargs");
1224 /* Only fix cmdline when requested */
1225 if (!(gd
->flags
& GD_FLG_SILENT
))
1228 debug ("before silent fix-up: %s\n", cmdline
);
1230 if ((start
= strstr (cmdline
, "console=")) != NULL
) {
1231 end
= strchr (start
, ' ');
1232 strncpy (buf
, cmdline
, (start
- cmdline
+ 8));
1234 strcpy (buf
+ (start
- cmdline
+ 8), end
);
1236 buf
[start
- cmdline
+ 8] = '\0';
1238 strcpy (buf
, cmdline
);
1239 strcat (buf
, " console=");
1242 strcpy (buf
, "console=");
1245 setenv ("bootargs", buf
);
1246 debug ("after silent fix-up: %s\n", buf
);
1248 #endif /* CONFIG_SILENT_CONSOLE */
1251 /*******************************************************************/
1252 /* OS booting routines */
1253 /*******************************************************************/
1255 #ifdef CONFIG_BOOTM_NETBSD
1256 static int do_bootm_netbsd (int flag
, int argc
, char *argv
[],
1257 bootm_headers_t
*images
)
1259 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
1260 image_header_t
*os_hdr
, *hdr
;
1261 ulong kernel_data
, kernel_len
;
1265 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1268 #if defined(CONFIG_FIT)
1269 if (!images
->legacy_hdr_valid
) {
1270 fit_unsupported_reset ("NetBSD");
1274 hdr
= images
->legacy_hdr_os
;
1277 * Booting a (NetBSD) kernel image
1279 * This process is pretty similar to a standalone application:
1280 * The (first part of an multi-) image must be a stage-2 loader,
1281 * which in turn is responsible for loading & invoking the actual
1282 * kernel. The only differences are the parameters being passed:
1283 * besides the board info strucure, the loader expects a command
1284 * line, the name of the console device, and (optionally) the
1285 * address of the original image header.
1288 if (image_check_type (&images
->legacy_hdr_os_copy
, IH_TYPE_MULTI
)) {
1289 image_multi_getimg (hdr
, 1, &kernel_data
, &kernel_len
);
1295 #if defined (CONFIG_8xx_CONS_SMC1)
1297 #elif defined (CONFIG_8xx_CONS_SMC2)
1299 #elif defined (CONFIG_8xx_CONS_SCC2)
1301 #elif defined (CONFIG_8xx_CONS_SCC3)
1309 for (i
= 2, len
= 0; i
< argc
; i
+= 1)
1310 len
+= strlen (argv
[i
]) + 1;
1311 cmdline
= malloc (len
);
1313 for (i
= 2, len
= 0; i
< argc
; i
+= 1) {
1315 cmdline
[len
++] = ' ';
1316 strcpy (&cmdline
[len
], argv
[i
]);
1317 len
+= strlen (argv
[i
]);
1319 } else if ((cmdline
= getenv ("bootargs")) == NULL
) {
1323 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *))images
->ep
;
1325 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1328 show_boot_progress (15);
1331 * NetBSD Stage-2 Loader Parameters:
1332 * r3: ptr to board info data
1334 * r5: console device
1335 * r6: boot args string
1337 (*loader
) (gd
->bd
, os_hdr
, consdev
, cmdline
);
1341 #endif /* CONFIG_BOOTM_NETBSD*/
1343 #ifdef CONFIG_LYNXKDI
1344 static int do_bootm_lynxkdi (int flag
, int argc
, char *argv
[],
1345 bootm_headers_t
*images
)
1347 image_header_t
*hdr
= &images
->legacy_hdr_os_copy
;
1349 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1352 #if defined(CONFIG_FIT)
1353 if (!images
->legacy_hdr_valid
) {
1354 fit_unsupported_reset ("Lynx");
1359 lynxkdi_boot ((image_header_t
*)hdr
);
1363 #endif /* CONFIG_LYNXKDI */
1365 #ifdef CONFIG_BOOTM_RTEMS
1366 static int do_bootm_rtems (int flag
, int argc
, char *argv
[],
1367 bootm_headers_t
*images
)
1369 void (*entry_point
)(bd_t
*);
1371 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1374 #if defined(CONFIG_FIT)
1375 if (!images
->legacy_hdr_valid
) {
1376 fit_unsupported_reset ("RTEMS");
1381 entry_point
= (void (*)(bd_t
*))images
->ep
;
1383 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1384 (ulong
)entry_point
);
1386 show_boot_progress (15);
1390 * r3: ptr to board info data
1392 (*entry_point
)(gd
->bd
);
1396 #endif /* CONFIG_BOOTM_RTEMS */
1398 #if defined(CONFIG_CMD_ELF)
1399 static int do_bootm_vxworks (int flag
, int argc
, char *argv
[],
1400 bootm_headers_t
*images
)
1404 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1407 #if defined(CONFIG_FIT)
1408 if (!images
->legacy_hdr_valid
) {
1409 fit_unsupported_reset ("VxWorks");
1414 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
1415 setenv("loadaddr", str
);
1416 do_bootvx(NULL
, 0, 0, NULL
);
1421 static int do_bootm_qnxelf(int flag
, int argc
, char *argv
[],
1422 bootm_headers_t
*images
)
1424 char *local_args
[2];
1427 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1430 #if defined(CONFIG_FIT)
1431 if (!images
->legacy_hdr_valid
) {
1432 fit_unsupported_reset ("QNX");
1437 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
1438 local_args
[0] = argv
[0];
1439 local_args
[1] = str
; /* and provide it via the arguments */
1440 do_bootelf(NULL
, 0, 2, local_args
);
1446 #ifdef CONFIG_INTEGRITY
1447 static int do_bootm_integrity (int flag
, int argc
, char *argv
[],
1448 bootm_headers_t
*images
)
1450 void (*entry_point
)(void);
1452 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1455 #if defined(CONFIG_FIT)
1456 if (!images
->legacy_hdr_valid
) {
1457 fit_unsupported_reset ("INTEGRITY");
1462 entry_point
= (void (*)(void))images
->ep
;
1464 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1465 (ulong
)entry_point
);
1467 show_boot_progress (15);
1470 * INTEGRITY Parameters: