2 * (C) Copyright 2000-2006
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,
36 #include <environment.h>
38 #include <asm/byteorder.h>
40 #ifdef CFG_HUSH_PARSER
44 DECLARE_GLOBAL_DATA_PTR
;
46 extern int gunzip (void *dst
, int dstlen
, unsigned char *src
, unsigned long *lenp
);
48 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
52 extern void bz_internal_error(int);
55 #if defined(CONFIG_CMD_IMI)
56 static int image_info (unsigned long addr
);
59 #if defined(CONFIG_CMD_IMLS)
61 extern flash_info_t flash_info
[]; /* info for FLASH chips */
62 static int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
65 #ifdef CONFIG_SILENT_CONSOLE
66 static void fixup_silent_linux (void);
69 static image_header_t
*image_get_kernel (ulong img_addr
, int verify
);
70 #if defined(CONFIG_FIT)
71 static int fit_check_kernel (const void *fit
, int os_noffset
, int verify
);
74 static void *boot_get_kernel (cmd_tbl_t
*cmdtp
, int flag
,int argc
, char *argv
[],
75 bootm_headers_t
*images
, ulong
*os_data
, ulong
*os_len
);
76 extern int do_reset (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
79 * Continue booting an OS image; caller already has:
80 * - copied image header to global variable `header'
81 * - checked header magic number, checksums (both header & image),
82 * - verified image architecture (PPC) and type (KERNEL or MULTI),
83 * - loaded (first part of) image to header load address,
84 * - disabled interrupts.
86 typedef void boot_os_fn (cmd_tbl_t
*cmdtp
, int flag
,
87 int argc
, char *argv
[],
88 bootm_headers_t
*images
); /* pointers to os/initrd/fdt */
90 extern boot_os_fn do_bootm_linux
;
91 static boot_os_fn do_bootm_netbsd
;
92 #if defined(CONFIG_LYNXKDI)
93 static boot_os_fn do_bootm_lynxkdi
;
94 extern void lynxkdi_boot (image_header_t
*);
96 static boot_os_fn do_bootm_rtems
;
97 #if defined(CONFIG_CMD_ELF)
98 static boot_os_fn do_bootm_vxworks
;
99 static boot_os_fn do_bootm_qnxelf
;
100 int do_bootvx (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
101 int do_bootelf (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
103 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
104 extern uchar (*env_get_char
)(int); /* Returns a character from the environment */
105 static boot_os_fn do_bootm_artos
;
108 ulong load_addr
= CFG_LOAD_ADDR
; /* Default Load Address */
109 static bootm_headers_t images
; /* pointers to os/initrd/fdt images */
111 void __board_lmb_reserve(struct lmb
*lmb
)
113 /* please define platform specific board_lmb_reserve() */
115 void board_lmb_reserve(struct lmb
*lmb
) __attribute__((weak
, alias("__board_lmb_reserve")));
118 /*******************************************************************/
119 /* bootm - boot application image from image in memory */
120 /*******************************************************************/
121 int do_bootm (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
124 const char *type_name
;
125 uint unc_len
= CFG_BOOTM_LEN
;
126 uint8_t comp
, type
, os
;
129 ulong os_data
, os_len
;
130 ulong image_start
, image_end
;
131 ulong load_start
, load_end
;
132 ulong mem_start
, mem_size
;
136 memset ((void *)&images
, 0, sizeof (images
));
137 images
.verify
= getenv_verify();
138 images
.autostart
= getenv_autostart();
143 mem_start
= getenv_bootm_low();
144 mem_size
= getenv_bootm_size();
146 lmb_add(&lmb
, mem_start
, mem_size
);
148 board_lmb_reserve(&lmb
);
150 /* get kernel image header, start address and length */
151 os_hdr
= boot_get_kernel (cmdtp
, flag
, argc
, argv
,
152 &images
, &os_data
, &os_len
);
154 puts ("ERROR: can't get kernel image!\n");
158 /* get image parameters */
159 switch (genimg_get_format (os_hdr
)) {
160 case IMAGE_FORMAT_LEGACY
:
161 type
= image_get_type (os_hdr
);
162 comp
= image_get_comp (os_hdr
);
163 os
= image_get_os (os_hdr
);
165 image_end
= image_get_image_end (os_hdr
);
166 load_start
= image_get_load (os_hdr
);
168 #if defined(CONFIG_FIT)
169 case IMAGE_FORMAT_FIT
:
170 if (fit_image_get_type (images
.fit_hdr_os
,
171 images
.fit_noffset_os
, &type
)) {
172 puts ("Can't get image type!\n");
173 show_boot_progress (-109);
177 if (fit_image_get_comp (images
.fit_hdr_os
,
178 images
.fit_noffset_os
, &comp
)) {
179 puts ("Can't get image compression!\n");
180 show_boot_progress (-110);
184 if (fit_image_get_os (images
.fit_hdr_os
,
185 images
.fit_noffset_os
, &os
)) {
186 puts ("Can't get image OS!\n");
187 show_boot_progress (-111);
191 image_end
= fit_get_end (images
.fit_hdr_os
);
193 if (fit_image_get_load (images
.fit_hdr_os
, images
.fit_noffset_os
,
195 puts ("Can't get image load address!\n");
196 show_boot_progress (-112);
202 puts ("ERROR: unknown image format type!\n");
206 image_start
= (ulong
)os_hdr
;
208 type_name
= genimg_get_type_name (type
);
211 * We have reached the point of no return: we are going to
212 * overwrite all exception vector code, so we cannot easily
213 * recover from any failures any more...
215 iflag
= disable_interrupts();
217 #ifdef CONFIG_AMIGAONEG3SE
219 * We've possible left the caches enabled during
220 * bios emulation, so turn them off again
223 invalidate_l1_instruction_cache();
230 if (load_start
== (ulong
)os_hdr
) {
231 printf (" XIP %s ... ", type_name
);
233 printf (" Loading %s ... ", type_name
);
235 memmove_wd ((void *)load_start
,
236 (void *)os_data
, os_len
, CHUNKSZ
);
238 load_end
= load_start
+ os_len
;
243 printf (" Uncompressing %s ... ", type_name
);
244 if (gunzip ((void *)load_start
, unc_len
,
245 (uchar
*)os_data
, &os_len
) != 0) {
246 puts ("GUNZIP: uncompress or overwrite error "
247 "- must RESET board to recover\n");
248 show_boot_progress (-6);
249 do_reset (cmdtp
, flag
, argc
, argv
);
252 load_end
= load_start
+ os_len
;
256 printf (" Uncompressing %s ... ", type_name
);
258 * If we've got less than 4 MB of malloc() space,
259 * use slower decompression algorithm which requires
260 * at most 2300 KB of memory.
262 int i
= BZ2_bzBuffToBuffDecompress ((char*)load_start
,
263 &unc_len
, (char *)os_data
, os_len
,
264 CFG_MALLOC_LEN
< (4096 * 1024), 0);
266 printf ("BUNZIP2: uncompress or overwrite error %d "
267 "- must RESET board to recover\n", i
);
268 show_boot_progress (-6);
269 do_reset (cmdtp
, flag
, argc
, argv
);
272 load_end
= load_start
+ unc_len
;
274 #endif /* CONFIG_BZIP2 */
278 printf ("Unimplemented compression type %d\n", comp
);
279 show_boot_progress (-7);
283 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start
, load_end
);
284 show_boot_progress (7);
286 if ((load_start
< image_end
) && (load_end
> image_start
)) {
287 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start
, image_end
);
288 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start
, load_end
);
290 puts ("ERROR: image overwritten - must RESET the board to recover.\n");
291 show_boot_progress (-113);
292 do_reset (cmdtp
, flag
, argc
, argv
);
295 show_boot_progress (8);
297 lmb_reserve(&lmb
, load_start
, (load_end
- load_start
));
300 default: /* handled by (original) Linux case */
302 #ifdef CONFIG_SILENT_CONSOLE
303 fixup_silent_linux();
305 do_bootm_linux (cmdtp
, flag
, argc
, argv
, &images
);
309 do_bootm_netbsd (cmdtp
, flag
, argc
, argv
, &images
);
312 #ifdef CONFIG_LYNXKDI
314 do_bootm_lynxkdi (cmdtp
, flag
, argc
, argv
, &images
);
319 do_bootm_rtems (cmdtp
, flag
, argc
, argv
, &images
);
322 #if defined(CONFIG_CMD_ELF)
324 do_bootm_vxworks (cmdtp
, flag
, argc
, argv
, &images
);
328 do_bootm_qnxelf (cmdtp
, flag
, argc
, argv
, &images
);
334 do_bootm_artos (cmdtp
, flag
, argc
, argv
, &images
);
339 show_boot_progress (-9);
341 puts ("\n## Control returned to monitor - resetting...\n");
342 if (images
.autostart
)
343 do_reset (cmdtp
, flag
, argc
, argv
);
345 if (!images
.autostart
&& iflag
)
352 * image_get_kernel - verify legacy format kernel image
353 * @img_addr: in RAM address of the legacy format image to be verified
354 * @verify: data CRC verification flag
356 * image_get_kernel() verifies legacy image integrity and returns pointer to
357 * legacy image header if image verification was completed successfully.
360 * pointer to a legacy image header if valid image was found
361 * otherwise return NULL
363 static image_header_t
*image_get_kernel (ulong img_addr
, int verify
)
365 image_header_t
*hdr
= (image_header_t
*)img_addr
;
367 if (!image_check_magic(hdr
)) {
368 puts ("Bad Magic Number\n");
369 show_boot_progress (-1);
372 show_boot_progress (2);
374 if (!image_check_hcrc (hdr
)) {
375 puts ("Bad Header Checksum\n");
376 show_boot_progress (-2);
380 show_boot_progress (3);
381 image_print_contents (hdr
);
384 puts (" Verifying Checksum ... ");
385 if (!image_check_dcrc (hdr
)) {
386 printf ("Bad Data CRC\n");
387 show_boot_progress (-3);
392 show_boot_progress (4);
394 if (!image_check_target_arch (hdr
)) {
395 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr
));
396 show_boot_progress (-4);
403 * fit_check_kernel - verify FIT format kernel subimage
404 * @fit_hdr: pointer to the FIT image header
405 * os_noffset: kernel subimage node offset within FIT image
406 * @verify: data CRC verification flag
408 * fit_check_kernel() verifies integrity of the kernel subimage and from
409 * specified FIT image.
415 #if defined (CONFIG_FIT)
416 static int fit_check_kernel (const void *fit
, int os_noffset
, int verify
)
418 fit_image_print (fit
, os_noffset
, " ");
421 puts (" Verifying Hash Integrity ... ");
422 if (!fit_image_check_hashes (fit
, os_noffset
)) {
423 puts ("Bad Data Hash\n");
424 show_boot_progress (-104);
429 show_boot_progress (105);
431 if (!fit_image_check_target_arch (fit
, os_noffset
)) {
432 puts ("Unsupported Architecture\n");
433 show_boot_progress (-105);
437 show_boot_progress (106);
438 if (!fit_image_check_type (fit
, os_noffset
, IH_TYPE_KERNEL
)) {
439 puts ("Not a kernel image\n");
440 show_boot_progress (-106);
444 show_boot_progress (107);
447 #endif /* CONFIG_FIT */
450 * boot_get_kernel - find kernel image
451 * @os_data: pointer to a ulong variable, will hold os data start address
452 * @os_len: pointer to a ulong variable, will hold os data length
454 * boot_get_kernel() tries to find a kernel image, verifies its integrity
455 * and locates kernel data.
458 * pointer to image header if valid image was found, plus kernel start
459 * address and length, otherwise NULL
461 static void *boot_get_kernel (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
462 bootm_headers_t
*images
, ulong
*os_data
, ulong
*os_len
)
466 #if defined(CONFIG_FIT)
468 const char *fit_uname_config
= NULL
;
469 const char *fit_uname_kernel
= NULL
;
476 /* find out kernel image address */
478 img_addr
= load_addr
;
479 debug ("* kernel: default image load address = 0x%08lx\n",
481 #if defined(CONFIG_FIT)
482 } else if (fit_parse_conf (argv
[1], load_addr
, &img_addr
,
483 &fit_uname_config
)) {
484 debug ("* kernel: config '%s' from image at 0x%08lx\n",
485 fit_uname_config
, img_addr
);
486 } else if (fit_parse_subimage (argv
[1], load_addr
, &img_addr
,
487 &fit_uname_kernel
)) {
488 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
489 fit_uname_kernel
, img_addr
);
492 img_addr
= simple_strtoul(argv
[1], NULL
, 16);
493 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr
);
496 show_boot_progress (1);
498 /* copy from dataflash if needed */
499 img_addr
= genimg_get_image (img_addr
);
501 /* check image type, for FIT images get FIT kernel node */
502 *os_data
= *os_len
= 0;
503 switch (genimg_get_format ((void *)img_addr
)) {
504 case IMAGE_FORMAT_LEGACY
:
505 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
507 hdr
= image_get_kernel (img_addr
, images
->verify
);
510 show_boot_progress (5);
512 /* get os_data and os_len */
513 switch (image_get_type (hdr
)) {
515 *os_data
= image_get_data (hdr
);
516 *os_len
= image_get_data_size (hdr
);
519 image_multi_getimg (hdr
, 0, os_data
, os_len
);
522 printf ("Wrong Image Type for %s command\n", cmdtp
->name
);
523 show_boot_progress (-5);
526 images
->legacy_hdr_os
= hdr
;
527 images
->legacy_hdr_valid
= 1;
529 show_boot_progress (6);
531 #if defined(CONFIG_FIT)
532 case IMAGE_FORMAT_FIT
:
533 fit_hdr
= (void *)img_addr
;
534 printf ("## Booting kernel from FIT Image at %08lx ...\n",
537 if (!fit_check_format (fit_hdr
)) {
538 puts ("Bad FIT kernel image format!\n");
539 show_boot_progress (-100);
542 show_boot_progress (100);
544 if (!fit_uname_kernel
) {
546 * no kernel image node unit name, try to get config
547 * node first. If config unit node name is NULL
548 * fit_conf_get_node() will try to find default config node
550 show_boot_progress (101);
551 cfg_noffset
= fit_conf_get_node (fit_hdr
, fit_uname_config
);
552 if (cfg_noffset
< 0) {
553 show_boot_progress (-101);
556 /* save configuration uname provided in the first
559 images
->fit_uname_cfg
= fdt_get_name (fit_hdr
, cfg_noffset
, NULL
);
560 printf (" Using '%s' configuration\n", images
->fit_uname_cfg
);
561 show_boot_progress (103);
563 os_noffset
= fit_conf_get_kernel_node (fit_hdr
, cfg_noffset
);
564 fit_uname_kernel
= fit_get_name (fit_hdr
, os_noffset
, NULL
);
566 /* get kernel component image node offset */
567 show_boot_progress (102);
568 os_noffset
= fit_image_get_node (fit_hdr
, fit_uname_kernel
);
570 if (os_noffset
< 0) {
571 show_boot_progress (-103);
575 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel
);
577 show_boot_progress (104);
578 if (!fit_check_kernel (fit_hdr
, os_noffset
, images
->verify
))
581 /* get kernel image data address and length */
582 if (fit_image_get_data (fit_hdr
, os_noffset
, &data
, &len
)) {
583 puts ("Could not find kernel subimage data!\n");
584 show_boot_progress (-107);
587 show_boot_progress (108);
590 *os_data
= (ulong
)data
;
591 images
->fit_hdr_os
= fit_hdr
;
592 images
->fit_uname_os
= fit_uname_kernel
;
593 images
->fit_noffset_os
= os_noffset
;
597 printf ("Wrong Image Format for %s command\n", cmdtp
->name
);
598 show_boot_progress (-108);
602 debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n",
603 *os_data
, *os_len
, *os_len
);
605 return (void *)img_addr
;
609 bootm
, CFG_MAXARGS
, 1, do_bootm
,
610 "bootm - boot application image from memory\n",
611 "[addr [arg ...]]\n - boot application image stored in memory\n"
612 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
613 "\t'arg' can be the address of an initrd image\n"
614 #if defined(CONFIG_OF_LIBFDT)
615 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
616 "\ta third argument is required which is the address of the\n"
617 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
618 "\tuse a '-' for the second argument. If you do not pass a third\n"
619 "\ta bd_info struct will be passed instead\n"
621 #if defined(CONFIG_FIT)
622 "\t\nFor the new multi component uImage format (FIT) addresses\n"
623 "\tmust be extened to include component or configuration unit name:\n"
624 "\taddr:<subimg_uname> - direct component image specification\n"
625 "\taddr#<conf_uname> - configuration specification\n"
626 "\tUse iminfo command to get the list of existing component\n"
627 "\timages and configurations.\n"
631 /*******************************************************************/
632 /* bootd - boot default image */
633 /*******************************************************************/
634 #if defined(CONFIG_CMD_BOOTD)
635 int do_bootd (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
639 #ifndef CFG_HUSH_PARSER
640 if (run_command (getenv ("bootcmd"), flag
) < 0)
643 if (parse_string_outer (getenv ("bootcmd"),
644 FLAG_PARSE_SEMICOLON
| FLAG_EXIT_FROM_LOOP
) != 0)
651 boot
, 1, 1, do_bootd
,
652 "boot - boot default, i.e., run 'bootcmd'\n",
656 /* keep old command name "bootd" for backward compatibility */
658 bootd
, 1, 1, do_bootd
,
659 "bootd - boot default, i.e., run 'bootcmd'\n",
666 /*******************************************************************/
667 /* iminfo - print header info for a requested image */
668 /*******************************************************************/
669 #if defined(CONFIG_CMD_IMI)
670 int do_iminfo (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
677 return image_info (load_addr
);
680 for (arg
= 1; arg
< argc
; ++arg
) {
681 addr
= simple_strtoul (argv
[arg
], NULL
, 16);
682 if (image_info (addr
) != 0)
688 static int image_info (ulong addr
)
690 void *hdr
= (void *)addr
;
692 printf ("\n## Checking Image at %08lx ...\n", addr
);
694 switch (genimg_get_format (hdr
)) {
695 case IMAGE_FORMAT_LEGACY
:
696 puts (" Legacy image found\n");
697 if (!image_check_magic (hdr
)) {
698 puts (" Bad Magic Number\n");
702 if (!image_check_hcrc (hdr
)) {
703 puts (" Bad Header Checksum\n");
707 image_print_contents (hdr
);
709 puts (" Verifying Checksum ... ");
710 if (!image_check_dcrc (hdr
)) {
711 puts (" Bad Data CRC\n");
716 #if defined(CONFIG_FIT)
717 case IMAGE_FORMAT_FIT
:
718 puts (" FIT image found\n");
720 if (!fit_check_format (hdr
)) {
721 puts ("Bad FIT image format!\n");
725 fit_print_contents (hdr
);
729 puts ("Unknown image format!\n");
737 iminfo
, CFG_MAXARGS
, 1, do_iminfo
,
738 "iminfo - print header information for application image\n",
740 " - print header information for application image starting at\n"
741 " address 'addr' in memory; this includes verification of the\n"
742 " image contents (magic number, header and payload checksums)\n"
747 /*******************************************************************/
748 /* imls - list all images found in flash */
749 /*******************************************************************/
750 #if defined(CONFIG_CMD_IMLS)
751 int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
757 for (i
= 0, info
= &flash_info
[0];
758 i
< CFG_MAX_FLASH_BANKS
; ++i
, ++info
) {
760 if (info
->flash_id
== FLASH_UNKNOWN
)
762 for (j
= 0; j
< info
->sector_count
; ++j
) {
764 hdr
= (void *)info
->start
[j
];
768 switch (genimg_get_format (hdr
)) {
769 case IMAGE_FORMAT_LEGACY
:
770 if (!image_check_hcrc (hdr
))
773 printf ("Legacy Image at %08lX:\n", (ulong
)hdr
);
774 image_print_contents (hdr
);
776 puts (" Verifying Checksum ... ");
777 if (!image_check_dcrc (hdr
)) {
778 puts ("Bad Data CRC\n");
783 #if defined(CONFIG_FIT)
784 case IMAGE_FORMAT_FIT
:
785 if (!fit_check_format (hdr
))
788 printf ("FIT Image at %08lX:\n", (ulong
)hdr
);
789 fit_print_contents (hdr
);
806 "imls - list all images found in flash\n",
808 " - Prints information about all images found at sector\n"
809 " boundaries in flash.\n"
813 /*******************************************************************/
814 /* helper routines */
815 /*******************************************************************/
816 #ifdef CONFIG_SILENT_CONSOLE
817 static void fixup_silent_linux ()
819 char buf
[256], *start
, *end
;
820 char *cmdline
= getenv ("bootargs");
822 /* Only fix cmdline when requested */
823 if (!(gd
->flags
& GD_FLG_SILENT
))
826 debug ("before silent fix-up: %s\n", cmdline
);
828 if ((start
= strstr (cmdline
, "console=")) != NULL
) {
829 end
= strchr (start
, ' ');
830 strncpy (buf
, cmdline
, (start
- cmdline
+ 8));
832 strcpy (buf
+ (start
- cmdline
+ 8), end
);
834 buf
[start
- cmdline
+ 8] = '\0';
836 strcpy (buf
, cmdline
);
837 strcat (buf
, " console=");
840 strcpy (buf
, "console=");
843 setenv ("bootargs", buf
);
844 debug ("after silent fix-up: %s\n", buf
);
846 #endif /* CONFIG_SILENT_CONSOLE */
849 /*******************************************************************/
850 /* OS booting routines */
851 /*******************************************************************/
853 static void do_bootm_netbsd (cmd_tbl_t
*cmdtp
, int flag
,
854 int argc
, char *argv
[],
855 bootm_headers_t
*images
)
857 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
858 image_header_t
*os_hdr
, *hdr
;
859 ulong kernel_data
, kernel_len
;
863 #if defined(CONFIG_FIT)
864 if (!images
->legacy_hdr_valid
) {
865 fit_unsupported_reset ("NetBSD");
866 do_reset (cmdtp
, flag
, argc
, argv
);
869 hdr
= images
->legacy_hdr_os
;
872 * Booting a (NetBSD) kernel image
874 * This process is pretty similar to a standalone application:
875 * The (first part of an multi-) image must be a stage-2 loader,
876 * which in turn is responsible for loading & invoking the actual
877 * kernel. The only differences are the parameters being passed:
878 * besides the board info strucure, the loader expects a command
879 * line, the name of the console device, and (optionally) the
880 * address of the original image header.
883 if (image_check_type (hdr
, IH_TYPE_MULTI
)) {
884 image_multi_getimg (hdr
, 1, &kernel_data
, &kernel_len
);
890 #if defined (CONFIG_8xx_CONS_SMC1)
892 #elif defined (CONFIG_8xx_CONS_SMC2)
894 #elif defined (CONFIG_8xx_CONS_SCC2)
896 #elif defined (CONFIG_8xx_CONS_SCC3)
904 for (i
= 2, len
= 0; i
< argc
; i
+= 1)
905 len
+= strlen (argv
[i
]) + 1;
906 cmdline
= malloc (len
);
908 for (i
= 2, len
= 0; i
< argc
; i
+= 1) {
910 cmdline
[len
++] = ' ';
911 strcpy (&cmdline
[len
], argv
[i
]);
912 len
+= strlen (argv
[i
]);
914 } else if ((cmdline
= getenv ("bootargs")) == NULL
) {
918 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *))image_get_ep (hdr
);
920 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
923 show_boot_progress (15);
926 * NetBSD Stage-2 Loader Parameters:
927 * r3: ptr to board info data
930 * r6: boot args string
932 (*loader
) (gd
->bd
, os_hdr
, consdev
, cmdline
);
935 #ifdef CONFIG_LYNXKDI
936 static void do_bootm_lynxkdi (cmd_tbl_t
*cmdtp
, int flag
,
937 int argc
, char *argv
[],
938 bootm_headers_t
*images
)
940 image_header_t
*hdr
= images
->legacy_hdr_os
;
942 #if defined(CONFIG_FIT)
943 if (!images
->legacy_hdr_valid
) {
944 fit_unsupported_reset ("Lynx");
945 do_reset (cmdtp
, flag
, argc
, argv
);
949 lynxkdi_boot ((image_header_t
*)hdr
);
951 #endif /* CONFIG_LYNXKDI */
953 static void do_bootm_rtems (cmd_tbl_t
*cmdtp
, int flag
,
954 int argc
, char *argv
[],
955 bootm_headers_t
*images
)
957 image_header_t
*hdr
= images
->legacy_hdr_os
;
958 void (*entry_point
)(bd_t
*);
960 #if defined(CONFIG_FIT)
961 if (!images
->legacy_hdr_valid
) {
962 fit_unsupported_reset ("RTEMS");
963 do_reset (cmdtp
, flag
, argc
, argv
);
967 entry_point
= (void (*)(bd_t
*))image_get_ep (hdr
);
969 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
972 show_boot_progress (15);
976 * r3: ptr to board info data
978 (*entry_point
)(gd
->bd
);
981 #if defined(CONFIG_CMD_ELF)
982 static void do_bootm_vxworks (cmd_tbl_t
*cmdtp
, int flag
,
983 int argc
, char *argv
[],
984 bootm_headers_t
*images
)
987 image_header_t
*hdr
= images
->legacy_hdr_os
;
989 #if defined(CONFIG_FIT)
991 fit_unsupported_reset ("VxWorks");
992 do_reset (cmdtp
, flag
, argc
, argv
);
996 sprintf(str
, "%x", image_get_ep (hdr
)); /* write entry-point into string */
997 setenv("loadaddr", str
);
998 do_bootvx(cmdtp
, 0, 0, NULL
);
1001 static void do_bootm_qnxelf(cmd_tbl_t
*cmdtp
, int flag
,
1002 int argc
, char *argv
[],
1003 bootm_headers_t
*images
)
1005 char *local_args
[2];
1007 image_header_t
*hdr
= images
->legacy_hdr_os
;
1009 #if defined(CONFIG_FIT)
1010 if (!images
->legacy_hdr_valid
) {
1011 fit_unsupported_reset ("QNX");
1012 do_reset (cmdtp
, flag
, argc
, argv
);
1016 sprintf(str
, "%x", image_get_ep (hdr
)); /* write entry-point into string */
1017 local_args
[0] = argv
[0];
1018 local_args
[1] = str
; /* and provide it via the arguments */
1019 do_bootelf(cmdtp
, 0, 2, local_args
);
1023 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1024 static void do_bootm_artos (cmd_tbl_t
*cmdtp
, int flag
,
1025 int argc
, char *argv
[],
1026 bootm_headers_t
*images
)
1031 int i
, j
, nxt
, len
, envno
, envsz
;
1033 void (*entry
)(bd_t
*bd
, char *cmdline
, char **fwenv
, ulong top
);
1034 image_header_t
*hdr
= images
->legacy_hdr_os
;
1036 #if defined(CONFIG_FIT)
1037 if (!images
->legacy_hdr_valid
) {
1038 fit_unsupported_reset ("ARTOS");
1039 do_reset (cmdtp
, flag
, argc
, argv
);
1044 * Booting an ARTOS kernel image + application
1047 /* this used to be the top of memory, but was wrong... */
1049 /* get stack pointer */
1050 asm volatile ("mr %0,1" : "=r"(top
) );
1052 debug ("## Current stack ends at 0x%08lX ", top
);
1054 top
-= 2048; /* just to be sure */
1055 if (top
> CFG_BOOTMAPSZ
)
1056 top
= CFG_BOOTMAPSZ
;
1059 debug ("=> set upper limit to 0x%08lX\n", top
);
1061 /* first check the artos specific boot args, then the linux args*/
1062 if ((s
= getenv( "abootargs")) == NULL
&& (s
= getenv ("bootargs")) == NULL
)
1065 /* get length of cmdline, and place it */
1067 top
= (top
- (len
+ 1)) & ~0xF;
1068 cmdline
= (char *)top
;
1069 debug ("## cmdline at 0x%08lX ", top
);
1070 strcpy (cmdline
, s
);
1073 top
= (top
- sizeof (bd_t
)) & ~0xF;
1074 debug ("## bd at 0x%08lX ", top
);
1076 memcpy (kbd
, gd
->bd
, sizeof (bd_t
));
1078 /* first find number of env entries, and their size */
1081 for (i
= 0; env_get_char (i
) != '\0'; i
= nxt
+ 1) {
1082 for (nxt
= i
; env_get_char (nxt
) != '\0'; ++nxt
)
1085 envsz
+= (nxt
- i
) + 1; /* plus trailing zero */
1087 envno
++; /* plus the terminating zero */
1088 debug ("## %u envvars total size %u ", envno
, envsz
);
1090 top
= (top
- sizeof (char **) * envno
) & ~0xF;
1091 fwenv
= (char **)top
;
1092 debug ("## fwenv at 0x%08lX ", top
);
1094 top
= (top
- envsz
) & ~0xF;
1099 for (i
= 0; env_get_char (i
) != '\0'; i
= nxt
+ 1) {
1100 for (nxt
= i
; env_get_char (nxt
) != '\0'; ++nxt
)
1103 for (j
= i
; j
< nxt
; ++j
)
1104 *s
++ = env_get_char (j
);
1107 *ss
++ = NULL
; /* terminate */
1109 entry
= (void (*)(bd_t
*, char *, char **, ulong
))image_get_ep (hdr
);
1110 (*entry
) (kbd
, cmdline
, fwenv
, top
);