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,
34 #include <environment.h>
35 #include <asm/byteorder.h>
37 #ifdef CONFIG_OF_FLAT_TREE
42 extern int do_reset (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
44 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
48 #ifdef CFG_HUSH_PARSER
52 #ifdef CONFIG_SHOW_BOOT_PROGRESS
53 # include <status_led.h>
54 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
56 # define SHOW_BOOT_PROGRESS(arg)
59 #ifdef CFG_INIT_RAM_LOCK
60 #include <asm/cache.h>
63 #ifdef CONFIG_LOGBUFFER
67 #ifdef CONFIG_HAS_DATAFLASH
68 #include <dataflash.h>
72 * Some systems (for example LWMON) have very short watchdog periods;
73 * we must make sure to split long operations like memmove() or
74 * crc32() into reasonable chunks.
76 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
77 # define CHUNKSZ (64 * 1024)
80 int gunzip (void *, int, unsigned char *, unsigned long *);
82 static void *zalloc(void *, unsigned, unsigned);
83 static void zfree(void *, void *, unsigned);
85 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
86 static int image_info (unsigned long addr
);
89 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
91 extern flash_info_t flash_info
[]; /* info for FLASH chips */
92 static int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
95 static void print_type (image_header_t
*hdr
);
98 image_header_t
*fake_header(image_header_t
*hdr
, void *ptr
, int size
);
102 * Continue booting an OS image; caller already has:
103 * - copied image header to global variable `header'
104 * - checked header magic number, checksums (both header & image),
105 * - verified image architecture (PPC) and type (KERNEL or MULTI),
106 * - loaded (first part of) image to header load address,
107 * - disabled interrupts.
109 typedef void boot_os_Fcn (cmd_tbl_t
*cmdtp
, int flag
,
110 int argc
, char *argv
[],
111 ulong addr
, /* of image to boot */
112 ulong
*len_ptr
, /* multi-file image length table */
113 int verify
); /* getenv("verify")[0] != 'n' */
116 extern int do_bdinfo ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[]);
120 static boot_os_Fcn do_bootm_linux
;
122 extern boot_os_Fcn do_bootm_linux
;
124 #ifdef CONFIG_SILENT_CONSOLE
125 static void fixup_silent_linux (void);
127 static boot_os_Fcn do_bootm_netbsd
;
128 static boot_os_Fcn do_bootm_rtems
;
129 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
130 static boot_os_Fcn do_bootm_vxworks
;
131 static boot_os_Fcn do_bootm_qnxelf
;
132 int do_bootvx ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[] );
133 int do_bootelf (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[] );
134 #endif /* CFG_CMD_ELF */
135 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
136 static boot_os_Fcn do_bootm_artos
;
138 #ifdef CONFIG_LYNXKDI
139 static boot_os_Fcn do_bootm_lynxkdi
;
140 extern void lynxkdi_boot( image_header_t
* );
143 #ifndef CFG_BOOTM_LEN
144 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
147 image_header_t header
;
149 ulong load_addr
= CFG_LOAD_ADDR
; /* Default Load Address */
151 int do_bootm (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
155 ulong data
, len
, checksum
;
157 uint unc_len
= CFG_BOOTM_LEN
;
160 int (*appl
)(int, char *[]);
161 image_header_t
*hdr
= &header
;
163 s
= getenv ("verify");
164 verify
= (s
&& (*s
== 'n')) ? 0 : 1;
169 addr
= simple_strtoul(argv
[1], NULL
, 16);
172 SHOW_BOOT_PROGRESS (1);
173 printf ("## Booting image at %08lx ...\n", addr
);
175 /* Copy header so we can blank CRC field for re-calculation */
176 #ifdef CONFIG_HAS_DATAFLASH
177 if (addr_dataflash(addr
)){
178 read_dataflash(addr
, sizeof(image_header_t
), (char *)&header
);
181 memmove (&header
, (char *)addr
, sizeof(image_header_t
));
183 if (ntohl(hdr
->ih_magic
) != IH_MAGIC
) {
184 #ifdef __I386__ /* correct image format not implemented yet - fake it */
185 if (fake_header(hdr
, (void*)addr
, -1) != NULL
) {
186 /* to compensate for the addition below */
187 addr
-= sizeof(image_header_t
);
189 * fake_header() does not fake the data crc
193 #endif /* __I386__ */
195 puts ("Bad Magic Number\n");
196 SHOW_BOOT_PROGRESS (-1);
200 SHOW_BOOT_PROGRESS (2);
202 data
= (ulong
)&header
;
203 len
= sizeof(image_header_t
);
205 checksum
= ntohl(hdr
->ih_hcrc
);
208 if (crc32 (0, (uchar
*)data
, len
) != checksum
) {
209 puts ("Bad Header Checksum\n");
210 SHOW_BOOT_PROGRESS (-2);
213 SHOW_BOOT_PROGRESS (3);
215 #ifdef CONFIG_HAS_DATAFLASH
216 if (addr_dataflash(addr
)){
217 len
= ntohl(hdr
->ih_size
) + sizeof(image_header_t
);
218 read_dataflash(addr
, len
, (char *)CFG_LOAD_ADDR
);
219 addr
= CFG_LOAD_ADDR
;
224 /* for multi-file images we need the data part, too */
225 print_image_hdr ((image_header_t
*)addr
);
227 data
= addr
+ sizeof(image_header_t
);
228 len
= ntohl(hdr
->ih_size
);
231 puts (" Verifying Checksum ... ");
232 if (crc32 (0, (uchar
*)data
, len
) != ntohl(hdr
->ih_dcrc
)) {
233 printf ("Bad Data CRC\n");
234 SHOW_BOOT_PROGRESS (-3);
239 SHOW_BOOT_PROGRESS (4);
241 len_ptr
= (ulong
*)data
;
244 if (hdr
->ih_arch
!= IH_CPU_PPC
)
245 #elif defined(__ARM__)
246 if (hdr
->ih_arch
!= IH_CPU_ARM
)
247 #elif defined(__I386__)
248 if (hdr
->ih_arch
!= IH_CPU_I386
)
249 #elif defined(__mips__)
250 if (hdr
->ih_arch
!= IH_CPU_MIPS
)
251 #elif defined(__nios__)
252 if (hdr
->ih_arch
!= IH_CPU_NIOS
)
253 #elif defined(__M68K__)
254 if (hdr
->ih_arch
!= IH_CPU_M68K
)
255 #elif defined(__microblaze__)
256 if (hdr
->ih_arch
!= IH_CPU_MICROBLAZE
)
257 #elif defined(__nios2__)
258 if (hdr
->ih_arch
!= IH_CPU_NIOS2
)
259 #elif defined(__blackfin__)
260 if (hdr
->ih_arch
!= IH_CPU_BLACKFIN
)
262 # error Unknown CPU type
265 printf ("Unsupported Architecture 0x%x\n", hdr
->ih_arch
);
266 SHOW_BOOT_PROGRESS (-4);
269 SHOW_BOOT_PROGRESS (5);
271 switch (hdr
->ih_type
) {
272 case IH_TYPE_STANDALONE
:
273 name
= "Standalone Application";
274 /* A second argument overwrites the load address */
276 hdr
->ih_load
= htonl(simple_strtoul(argv
[2], NULL
, 16));
280 name
= "Kernel Image";
283 name
= "Multi-File Image";
284 len
= ntohl(len_ptr
[0]);
285 /* OS kernel is always the first image */
286 data
+= 8; /* kernel_len + terminator */
287 for (i
=1; len_ptr
[i
]; ++i
)
290 default: printf ("Wrong Image Type for %s command\n", cmdtp
->name
);
291 SHOW_BOOT_PROGRESS (-5);
294 SHOW_BOOT_PROGRESS (6);
297 * We have reached the point of no return: we are going to
298 * overwrite all exception vector code, so we cannot easily
299 * recover from any failures any more...
302 iflag
= disable_interrupts();
304 #ifdef CONFIG_AMIGAONEG3SE
306 * We've possible left the caches enabled during
307 * bios emulation, so turn them off again
310 invalidate_l1_instruction_cache();
315 switch (hdr
->ih_comp
) {
317 if(ntohl(hdr
->ih_load
) == addr
) {
318 printf (" XIP %s ... ", name
);
320 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
322 void *to
= (void *)ntohl(hdr
->ih_load
);
323 void *from
= (void *)data
;
325 printf (" Loading %s ... ", name
);
328 size_t tail
= (l
> CHUNKSZ
) ? CHUNKSZ
: l
;
330 memmove (to
, from
, tail
);
335 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
336 memmove ((void *) ntohl(hdr
->ih_load
), (uchar
*)data
, len
);
337 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
341 printf (" Uncompressing %s ... ", name
);
342 if (gunzip ((void *)ntohl(hdr
->ih_load
), unc_len
,
343 (uchar
*)data
, &len
) != 0) {
344 puts ("GUNZIP ERROR - must RESET board to recover\n");
345 SHOW_BOOT_PROGRESS (-6);
346 do_reset (cmdtp
, flag
, argc
, argv
);
351 printf (" Uncompressing %s ... ", name
);
353 * If we've got less than 4 MB of malloc() space,
354 * use slower decompression algorithm which requires
355 * at most 2300 KB of memory.
357 i
= BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr
->ih_load
),
358 &unc_len
, (char *)data
, len
,
359 CFG_MALLOC_LEN
< (4096 * 1024), 0);
361 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i
);
362 SHOW_BOOT_PROGRESS (-6);
364 do_reset (cmdtp
, flag
, argc
, argv
);
367 #endif /* CONFIG_BZIP2 */
371 printf ("Unimplemented compression type %d\n", hdr
->ih_comp
);
372 SHOW_BOOT_PROGRESS (-7);
376 SHOW_BOOT_PROGRESS (7);
378 switch (hdr
->ih_type
) {
379 case IH_TYPE_STANDALONE
:
383 /* load (and uncompress), but don't start if "autostart"
386 if (((s
= getenv("autostart")) != NULL
) && (strcmp(s
,"no") == 0)) {
388 sprintf(buf
, "%lX", len
);
389 setenv("filesize", buf
);
392 appl
= (int (*)(int, char *[]))ntohl(hdr
->ih_ep
);
393 (*appl
)(argc
-1, &argv
[1]);
402 printf ("Can't boot image type %d\n", hdr
->ih_type
);
403 SHOW_BOOT_PROGRESS (-8);
406 SHOW_BOOT_PROGRESS (8);
408 switch (hdr
->ih_os
) {
409 default: /* handled by (original) Linux case */
411 #ifdef CONFIG_SILENT_CONSOLE
412 fixup_silent_linux();
414 do_bootm_linux (cmdtp
, flag
, argc
, argv
,
415 addr
, len_ptr
, verify
);
418 do_bootm_netbsd (cmdtp
, flag
, argc
, argv
,
419 addr
, len_ptr
, verify
);
422 #ifdef CONFIG_LYNXKDI
424 do_bootm_lynxkdi (cmdtp
, flag
, argc
, argv
,
425 addr
, len_ptr
, verify
);
430 do_bootm_rtems (cmdtp
, flag
, argc
, argv
,
431 addr
, len_ptr
, verify
);
434 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
436 do_bootm_vxworks (cmdtp
, flag
, argc
, argv
,
437 addr
, len_ptr
, verify
);
440 do_bootm_qnxelf (cmdtp
, flag
, argc
, argv
,
441 addr
, len_ptr
, verify
);
443 #endif /* CFG_CMD_ELF */
446 do_bootm_artos (cmdtp
, flag
, argc
, argv
,
447 addr
, len_ptr
, verify
);
452 SHOW_BOOT_PROGRESS (-9);
454 puts ("\n## Control returned to monitor - resetting...\n");
455 do_reset (cmdtp
, flag
, argc
, argv
);
461 bootm
, CFG_MAXARGS
, 1, do_bootm
,
462 "bootm - boot application image from memory\n",
463 "[addr [arg ...]]\n - boot application image stored in memory\n"
464 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
465 "\t'arg' can be the address of an initrd image\n"
468 #ifdef CONFIG_SILENT_CONSOLE
470 fixup_silent_linux ()
472 DECLARE_GLOBAL_DATA_PTR
;
473 char buf
[256], *start
, *end
;
474 char *cmdline
= getenv ("bootargs");
476 /* Only fix cmdline when requested */
477 if (!(gd
->flags
& GD_FLG_SILENT
))
480 debug ("before silent fix-up: %s\n", cmdline
);
482 if ((start
= strstr (cmdline
, "console=")) != NULL
) {
483 end
= strchr (start
, ' ');
484 strncpy (buf
, cmdline
, (start
- cmdline
+ 8));
486 strcpy (buf
+ (start
- cmdline
+ 8), end
);
488 buf
[start
- cmdline
+ 8] = '\0';
490 strcpy (buf
, cmdline
);
491 strcat (buf
, " console=");
494 strcpy (buf
, "console=");
497 setenv ("bootargs", buf
);
498 debug ("after silent fix-up: %s\n", buf
);
500 #endif /* CONFIG_SILENT_CONSOLE */
502 #ifdef CONFIG_OF_FLAT_TREE
503 extern const unsigned char oftree_dtb
[];
504 extern const unsigned int oftree_dtb_len
;
509 do_bootm_linux (cmd_tbl_t
*cmdtp
, int flag
,
510 int argc
, char *argv
[],
515 DECLARE_GLOBAL_DATA_PTR
;
519 ulong initrd_start
, initrd_end
;
520 ulong cmd_start
, cmd_end
;
523 int initrd_copy_to_ram
= 1;
527 void (*kernel
)(bd_t
*, ulong
, ulong
, ulong
, ulong
);
528 image_header_t
*hdr
= &header
;
529 #ifdef CONFIG_OF_FLAT_TREE
533 if ((s
= getenv ("initrd_high")) != NULL
) {
534 /* a value of "no" or a similar string will act like 0,
535 * turning the "load high" feature off. This is intentional.
537 initrd_high
= simple_strtoul(s
, NULL
, 16);
538 if (initrd_high
== ~0)
539 initrd_copy_to_ram
= 0;
540 } else { /* not set, no restrictions to load high */
544 #ifdef CONFIG_LOGBUFFER
546 /* Prevent initrd from overwriting logbuffer */
547 if (initrd_high
< (kbd
->bi_memsize
-LOGBUFF_LEN
-LOGBUFF_OVERHEAD
))
548 initrd_high
= kbd
->bi_memsize
-LOGBUFF_LEN
-LOGBUFF_OVERHEAD
;
549 debug ("## Logbuffer at 0x%08lX ", kbd
->bi_memsize
-LOGBUFF_LEN
);
553 * Booting a (Linux) kernel image
555 * Allocate space for command line and board info - the
556 * address should be as high as possible within the reach of
557 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
558 * memory, which means far enough below the current stack
562 asm( "mr %0,1": "=r"(sp
) : );
564 debug ("## Current stack ends at 0x%08lX ", sp
);
566 sp
-= 2048; /* just to be sure */
567 if (sp
> CFG_BOOTMAPSZ
)
571 debug ("=> set upper limit to 0x%08lX\n", sp
);
573 cmdline
= (char *)((sp
- CFG_BARGSIZE
) & ~0xF);
574 kbd
= (bd_t
*)(((ulong
)cmdline
- sizeof(bd_t
)) & ~0xF);
576 if ((s
= getenv("bootargs")) == NULL
)
581 cmd_start
= (ulong
)&cmdline
[0];
582 cmd_end
= cmd_start
+ strlen(cmdline
);
587 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start
, cmd_end
);
589 do_bdinfo (NULL
, 0, 0, NULL
);
592 if ((s
= getenv ("clocks_in_mhz")) != NULL
) {
593 /* convert all clock information to MHz */
594 kbd
->bi_intfreq
/= 1000000L;
595 kbd
->bi_busfreq
/= 1000000L;
596 #if defined(CONFIG_MPC8220)
597 kbd
->bi_inpfreq
/= 1000000L;
598 kbd
->bi_pcifreq
/= 1000000L;
599 kbd
->bi_pevfreq
/= 1000000L;
600 kbd
->bi_flbfreq
/= 1000000L;
601 kbd
->bi_vcofreq
/= 1000000L;
603 #if defined(CONFIG_CPM2)
604 kbd
->bi_cpmfreq
/= 1000000L;
605 kbd
->bi_brgfreq
/= 1000000L;
606 kbd
->bi_sccfreq
/= 1000000L;
607 kbd
->bi_vco
/= 1000000L;
609 #if defined(CONFIG_MPC5xxx)
610 kbd
->bi_ipbfreq
/= 1000000L;
611 kbd
->bi_pcifreq
/= 1000000L;
612 #endif /* CONFIG_MPC5xxx */
615 kernel
= (void (*)(bd_t
*, ulong
, ulong
, ulong
, ulong
)) ntohl(hdr
->ih_ep
);
618 * Check if there is an initrd image
621 SHOW_BOOT_PROGRESS (9);
623 addr
= simple_strtoul(argv
[2], NULL
, 16);
625 printf ("## Loading RAMDisk Image at %08lx ...\n", addr
);
627 /* Copy header so we can blank CRC field for re-calculation */
628 memmove (&header
, (char *)addr
, sizeof(image_header_t
));
630 if (ntohl(hdr
->ih_magic
) != IH_MAGIC
) {
631 puts ("Bad Magic Number\n");
632 SHOW_BOOT_PROGRESS (-10);
633 do_reset (cmdtp
, flag
, argc
, argv
);
636 data
= (ulong
)&header
;
637 len
= sizeof(image_header_t
);
639 checksum
= ntohl(hdr
->ih_hcrc
);
642 if (crc32 (0, (uchar
*)data
, len
) != checksum
) {
643 puts ("Bad Header Checksum\n");
644 SHOW_BOOT_PROGRESS (-11);
645 do_reset (cmdtp
, flag
, argc
, argv
);
648 SHOW_BOOT_PROGRESS (10);
650 print_image_hdr (hdr
);
652 data
= addr
+ sizeof(image_header_t
);
653 len
= ntohl(hdr
->ih_size
);
657 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
658 ulong cdata
= data
, edata
= cdata
+ len
;
659 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
661 puts (" Verifying Checksum ... ");
663 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
665 while (cdata
< edata
) {
666 ulong chunk
= edata
- cdata
;
670 csum
= crc32 (csum
, (uchar
*)cdata
, chunk
);
675 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
676 csum
= crc32 (0, (uchar
*)data
, len
);
677 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
679 if (csum
!= ntohl(hdr
->ih_dcrc
)) {
680 puts ("Bad Data CRC\n");
681 SHOW_BOOT_PROGRESS (-12);
682 do_reset (cmdtp
, flag
, argc
, argv
);
687 SHOW_BOOT_PROGRESS (11);
689 if ((hdr
->ih_os
!= IH_OS_LINUX
) ||
690 (hdr
->ih_arch
!= IH_CPU_PPC
) ||
691 (hdr
->ih_type
!= IH_TYPE_RAMDISK
) ) {
692 puts ("No Linux PPC Ramdisk Image\n");
693 SHOW_BOOT_PROGRESS (-13);
694 do_reset (cmdtp
, flag
, argc
, argv
);
698 * Now check if we have a multifile image
700 } else if ((hdr
->ih_type
==IH_TYPE_MULTI
) && (len_ptr
[1])) {
701 u_long tail
= ntohl(len_ptr
[0]) % 4;
704 SHOW_BOOT_PROGRESS (13);
706 /* skip kernel length and terminator */
707 data
= (ulong
)(&len_ptr
[2]);
708 /* skip any additional image length fields */
709 for (i
=1; len_ptr
[i
]; ++i
)
711 /* add kernel length, and align */
712 data
+= ntohl(len_ptr
[0]);
717 len
= ntohl(len_ptr
[1]);
723 SHOW_BOOT_PROGRESS (14);
729 debug ("No initrd\n");
733 if (!initrd_copy_to_ram
) { /* zero-copy ramdisk support */
735 initrd_end
= initrd_start
+ len
;
737 initrd_start
= (ulong
)kbd
- len
;
738 initrd_start
&= ~(4096 - 1); /* align on page */
744 * the inital ramdisk does not need to be within
745 * CFG_BOOTMAPSZ as it is not accessed until after
746 * the mm system is initialised.
748 * do the stack bottom calculation again and see if
749 * the initrd will fit just below the monitor stack
750 * bottom without overwriting the area allocated
751 * above for command line args and board info.
753 asm( "mr %0,1": "=r"(nsp
) : );
754 nsp
-= 2048; /* just to be sure */
756 if (nsp
> initrd_high
) /* limit as specified */
759 nsp
&= ~(4096 - 1); /* align on page */
764 SHOW_BOOT_PROGRESS (12);
766 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
767 data
, data
+ len
- 1, len
, len
);
769 initrd_end
= initrd_start
+ len
;
770 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
771 initrd_start
, initrd_end
);
772 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
775 void *to
= (void *)initrd_start
;
776 void *from
= (void *)data
;
779 size_t tail
= (l
> CHUNKSZ
) ? CHUNKSZ
: l
;
781 memmove (to
, from
, tail
);
787 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
788 memmove ((void *)initrd_start
, (void *)data
, len
);
789 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
797 #ifdef CONFIG_OF_FLAT_TREE
798 if (initrd_start
== 0)
799 of_flat_tree
= (char *)(((ulong
)kbd
- OF_FLAT_TREE_MAX_SIZE
-
800 sizeof(bd_t
)) & ~0xF);
802 of_flat_tree
= (char *)((initrd_start
- OF_FLAT_TREE_MAX_SIZE
-
803 sizeof(bd_t
)) & ~0xF);
806 debug ("## Transferring control to Linux (at address %08lx) ...\n",
809 SHOW_BOOT_PROGRESS (15);
811 #ifndef CONFIG_OF_FLAT_TREE
813 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
814 unlock_ram_in_cache();
818 * Linux Kernel Parameters:
819 * r3: ptr to board info data
820 * r4: initrd_start or 0 if no initrd
821 * r5: initrd_end - unused if r4 is 0
822 * r6: Start of command line string
823 * r7: End of command line string
825 (*kernel
) (kbd
, initrd_start
, initrd_end
, cmd_start
, cmd_end
);
828 ft_setup(of_flat_tree
, OF_FLAT_TREE_MAX_SIZE
, kbd
, initrd_start
, initrd_end
);
829 /* ft_dump_blob(of_flat_tree); */
831 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
832 unlock_ram_in_cache();
835 * Linux Kernel Parameters:
836 * r3: ptr to OF flat tree, followed by the board info data
837 * r4: physical pointer to the kernel itself
842 if (getenv("disable_of") != NULL
)
843 (*kernel
) ((bd_t
*)of_flat_tree
, initrd_start
, initrd_end
,
846 (*kernel
) ((bd_t
*)of_flat_tree
, (ulong
)kernel
, 0, 0, 0);
850 #endif /* CONFIG_PPC */
853 do_bootm_netbsd (cmd_tbl_t
*cmdtp
, int flag
,
854 int argc
, char *argv
[],
859 DECLARE_GLOBAL_DATA_PTR
;
861 image_header_t
*hdr
= &header
;
863 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
864 image_header_t
*img_addr
;
870 * Booting a (NetBSD) kernel image
872 * This process is pretty similar to a standalone application:
873 * The (first part of an multi-) image must be a stage-2 loader,
874 * which in turn is responsible for loading & invoking the actual
875 * kernel. The only differences are the parameters being passed:
876 * besides the board info strucure, the loader expects a command
877 * line, the name of the console device, and (optionally) the
878 * address of the original image header.
882 if ((hdr
->ih_type
==IH_TYPE_MULTI
) && (len_ptr
[1]))
883 img_addr
= (image_header_t
*) addr
;
887 #if defined (CONFIG_8xx_CONS_SMC1)
889 #elif defined (CONFIG_8xx_CONS_SMC2)
891 #elif defined (CONFIG_8xx_CONS_SCC2)
893 #elif defined (CONFIG_8xx_CONS_SCC3)
901 for (i
=2, len
=0 ; i
<argc
; i
+=1)
902 len
+= strlen (argv
[i
]) + 1;
903 cmdline
= malloc (len
);
905 for (i
=2, len
=0 ; i
<argc
; i
+=1) {
907 cmdline
[len
++] = ' ';
908 strcpy (&cmdline
[len
], argv
[i
]);
909 len
+= strlen (argv
[i
]);
911 } else if ((cmdline
= getenv("bootargs")) == NULL
) {
915 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *)) ntohl(hdr
->ih_ep
);
917 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
920 SHOW_BOOT_PROGRESS (15);
923 * NetBSD Stage-2 Loader Parameters:
924 * r3: ptr to board info data
927 * r6: boot args string
929 (*loader
) (gd
->bd
, img_addr
, consdev
, cmdline
);
932 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
934 /* Function that returns a character from the environment */
935 extern uchar (*env_get_char
)(int);
938 do_bootm_artos (cmd_tbl_t
*cmdtp
, int flag
,
939 int argc
, char *argv
[],
944 DECLARE_GLOBAL_DATA_PTR
;
948 int i
, j
, nxt
, len
, envno
, envsz
;
950 void (*entry
)(bd_t
*bd
, char *cmdline
, char **fwenv
, ulong top
);
951 image_header_t
*hdr
= &header
;
954 * Booting an ARTOS kernel image + application
957 /* this used to be the top of memory, but was wrong... */
959 /* get stack pointer */
960 asm volatile ("mr %0,1" : "=r"(top
) );
962 debug ("## Current stack ends at 0x%08lX ", top
);
964 top
-= 2048; /* just to be sure */
965 if (top
> CFG_BOOTMAPSZ
)
969 debug ("=> set upper limit to 0x%08lX\n", top
);
971 /* first check the artos specific boot args, then the linux args*/
972 if ((s
= getenv("abootargs")) == NULL
&& (s
= getenv("bootargs")) == NULL
)
975 /* get length of cmdline, and place it */
977 top
= (top
- (len
+ 1)) & ~0xF;
978 cmdline
= (char *)top
;
979 debug ("## cmdline at 0x%08lX ", top
);
983 top
= (top
- sizeof(bd_t
)) & ~0xF;
984 debug ("## bd at 0x%08lX ", top
);
986 memcpy(kbd
, gd
->bd
, sizeof(bd_t
));
988 /* first find number of env entries, and their size */
991 for (i
= 0; env_get_char(i
) != '\0'; i
= nxt
+ 1) {
992 for (nxt
= i
; env_get_char(nxt
) != '\0'; ++nxt
)
995 envsz
+= (nxt
- i
) + 1; /* plus trailing zero */
997 envno
++; /* plus the terminating zero */
998 debug ("## %u envvars total size %u ", envno
, envsz
);
1000 top
= (top
- sizeof(char **)*envno
) & ~0xF;
1001 fwenv
= (char **)top
;
1002 debug ("## fwenv at 0x%08lX ", top
);
1004 top
= (top
- envsz
) & ~0xF;
1009 for (i
= 0; env_get_char(i
) != '\0'; i
= nxt
+ 1) {
1010 for (nxt
= i
; env_get_char(nxt
) != '\0'; ++nxt
)
1013 for (j
= i
; j
< nxt
; ++j
)
1014 *s
++ = env_get_char(j
);
1017 *ss
++ = NULL
; /* terminate */
1019 entry
= (void (*)(bd_t
*, char *, char **, ulong
))ntohl(hdr
->ih_ep
);
1020 (*entry
)(kbd
, cmdline
, fwenv
, top
);
1025 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1026 int do_bootd (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1029 #ifndef CFG_HUSH_PARSER
1030 if (run_command (getenv ("bootcmd"), flag
) < 0) rcode
= 1;
1032 if (parse_string_outer(getenv("bootcmd"),
1033 FLAG_PARSE_SEMICOLON
| FLAG_EXIT_FROM_LOOP
) != 0 ) rcode
= 1;
1039 boot
, 1, 1, do_bootd
,
1040 "boot - boot default, i.e., run 'bootcmd'\n",
1044 /* keep old command name "bootd" for backward compatibility */
1046 bootd
, 1, 1, do_bootd
,
1047 "bootd - boot default, i.e., run 'bootcmd'\n",
1053 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1054 int do_iminfo ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1061 return image_info (load_addr
);
1064 for (arg
=1; arg
<argc
; ++arg
) {
1065 addr
= simple_strtoul(argv
[arg
], NULL
, 16);
1066 if (image_info (addr
) != 0) rcode
= 1;
1071 static int image_info (ulong addr
)
1073 ulong data
, len
, checksum
;
1074 image_header_t
*hdr
= &header
;
1076 printf ("\n## Checking Image at %08lx ...\n", addr
);
1078 /* Copy header so we can blank CRC field for re-calculation */
1079 memmove (&header
, (char *)addr
, sizeof(image_header_t
));
1081 if (ntohl(hdr
->ih_magic
) != IH_MAGIC
) {
1082 puts (" Bad Magic Number\n");
1086 data
= (ulong
)&header
;
1087 len
= sizeof(image_header_t
);
1089 checksum
= ntohl(hdr
->ih_hcrc
);
1092 if (crc32 (0, (uchar
*)data
, len
) != checksum
) {
1093 puts (" Bad Header Checksum\n");
1097 /* for multi-file images we need the data part, too */
1098 print_image_hdr ((image_header_t
*)addr
);
1100 data
= addr
+ sizeof(image_header_t
);
1101 len
= ntohl(hdr
->ih_size
);
1103 puts (" Verifying Checksum ... ");
1104 if (crc32 (0, (uchar
*)data
, len
) != ntohl(hdr
->ih_dcrc
)) {
1105 puts (" Bad Data CRC\n");
1113 iminfo
, CFG_MAXARGS
, 1, do_iminfo
,
1114 "iminfo - print header information for application image\n",
1116 " - print header information for application image starting at\n"
1117 " address 'addr' in memory; this includes verification of the\n"
1118 " image contents (magic number, header and payload checksums)\n"
1121 #endif /* CFG_CMD_IMI */
1123 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1124 /*-----------------------------------------------------------------------
1125 * List all images found in flash.
1127 int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1131 image_header_t
*hdr
;
1132 ulong data
, len
, checksum
;
1134 for (i
=0, info
=&flash_info
[0]; i
<CFG_MAX_FLASH_BANKS
; ++i
, ++info
) {
1135 if (info
->flash_id
== FLASH_UNKNOWN
)
1137 for (j
=0; j
<info
->sector_count
; ++j
) {
1139 if (!(hdr
=(image_header_t
*)info
->start
[j
]) ||
1140 (ntohl(hdr
->ih_magic
) != IH_MAGIC
))
1143 /* Copy header so we can blank CRC field for re-calculation */
1144 memmove (&header
, (char *)hdr
, sizeof(image_header_t
));
1146 checksum
= ntohl(header
.ih_hcrc
);
1149 if (crc32 (0, (uchar
*)&header
, sizeof(image_header_t
))
1153 printf ("Image at %08lX:\n", (ulong
)hdr
);
1154 print_image_hdr( hdr
);
1156 data
= (ulong
)hdr
+ sizeof(image_header_t
);
1157 len
= ntohl(hdr
->ih_size
);
1159 puts (" Verifying Checksum ... ");
1160 if (crc32 (0, (uchar
*)data
, len
) != ntohl(hdr
->ih_dcrc
)) {
1161 puts (" Bad Data CRC\n");
1173 imls
, 1, 1, do_imls
,
1174 "imls - list all images found in flash\n",
1176 " - Prints information about all images found at sector\n"
1177 " boundaries in flash.\n"
1179 #endif /* CFG_CMD_IMLS */
1182 print_image_hdr (image_header_t
*hdr
)
1184 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1185 time_t timestamp
= (time_t)ntohl(hdr
->ih_time
);
1189 printf (" Image Name: %.*s\n", IH_NMLEN
, hdr
->ih_name
);
1190 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1191 to_tm (timestamp
, &tm
);
1192 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1193 tm
.tm_year
, tm
.tm_mon
, tm
.tm_mday
,
1194 tm
.tm_hour
, tm
.tm_min
, tm
.tm_sec
);
1195 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1196 puts (" Image Type: "); print_type(hdr
);
1197 printf ("\n Data Size: %d Bytes = ", ntohl(hdr
->ih_size
));
1198 print_size (ntohl(hdr
->ih_size
), "\n");
1199 printf (" Load Address: %08x\n"
1200 " Entry Point: %08x\n",
1201 ntohl(hdr
->ih_load
), ntohl(hdr
->ih_ep
));
1203 if (hdr
->ih_type
== IH_TYPE_MULTI
) {
1206 ulong
*len_ptr
= (ulong
*)((ulong
)hdr
+ sizeof(image_header_t
));
1208 puts (" Contents:\n");
1209 for (i
=0; (len
= ntohl(*len_ptr
)); ++i
, ++len_ptr
) {
1210 printf (" Image %d: %8ld Bytes = ", i
, len
);
1211 print_size (len
, "\n");
1218 print_type (image_header_t
*hdr
)
1220 char *os
, *arch
, *type
, *comp
;
1222 switch (hdr
->ih_os
) {
1223 case IH_OS_INVALID
: os
= "Invalid OS"; break;
1224 case IH_OS_NETBSD
: os
= "NetBSD"; break;
1225 case IH_OS_LINUX
: os
= "Linux"; break;
1226 case IH_OS_VXWORKS
: os
= "VxWorks"; break;
1227 case IH_OS_QNX
: os
= "QNX"; break;
1228 case IH_OS_U_BOOT
: os
= "U-Boot"; break;
1229 case IH_OS_RTEMS
: os
= "RTEMS"; break;
1231 case IH_OS_ARTOS
: os
= "ARTOS"; break;
1233 #ifdef CONFIG_LYNXKDI
1234 case IH_OS_LYNXOS
: os
= "LynxOS"; break;
1236 default: os
= "Unknown OS"; break;
1239 switch (hdr
->ih_arch
) {
1240 case IH_CPU_INVALID
: arch
= "Invalid CPU"; break;
1241 case IH_CPU_ALPHA
: arch
= "Alpha"; break;
1242 case IH_CPU_ARM
: arch
= "ARM"; break;
1243 case IH_CPU_I386
: arch
= "Intel x86"; break;
1244 case IH_CPU_IA64
: arch
= "IA64"; break;
1245 case IH_CPU_MIPS
: arch
= "MIPS"; break;
1246 case IH_CPU_MIPS64
: arch
= "MIPS 64 Bit"; break;
1247 case IH_CPU_PPC
: arch
= "PowerPC"; break;
1248 case IH_CPU_S390
: arch
= "IBM S390"; break;
1249 case IH_CPU_SH
: arch
= "SuperH"; break;
1250 case IH_CPU_SPARC
: arch
= "SPARC"; break;
1251 case IH_CPU_SPARC64
: arch
= "SPARC 64 Bit"; break;
1252 case IH_CPU_M68K
: arch
= "M68K"; break;
1253 case IH_CPU_MICROBLAZE
: arch
= "Microblaze"; break;
1254 case IH_CPU_NIOS
: arch
= "Nios"; break;
1255 case IH_CPU_NIOS2
: arch
= "Nios-II"; break;
1256 default: arch
= "Unknown Architecture"; break;
1259 switch (hdr
->ih_type
) {
1260 case IH_TYPE_INVALID
: type
= "Invalid Image"; break;
1261 case IH_TYPE_STANDALONE
:type
= "Standalone Program"; break;
1262 case IH_TYPE_KERNEL
: type
= "Kernel Image"; break;
1263 case IH_TYPE_RAMDISK
: type
= "RAMDisk Image"; break;
1264 case IH_TYPE_MULTI
: type
= "Multi-File Image"; break;
1265 case IH_TYPE_FIRMWARE
: type
= "Firmware"; break;
1266 case IH_TYPE_SCRIPT
: type
= "Script"; break;
1267 default: type
= "Unknown Image"; break;
1270 switch (hdr
->ih_comp
) {
1271 case IH_COMP_NONE
: comp
= "uncompressed"; break;
1272 case IH_COMP_GZIP
: comp
= "gzip compressed"; break;
1273 case IH_COMP_BZIP2
: comp
= "bzip2 compressed"; break;
1274 default: comp
= "unknown compression"; break;
1277 printf ("%s %s %s (%s)", arch
, os
, type
, comp
);
1280 #define ZALLOC_ALIGNMENT 16
1282 static void *zalloc(void *x
, unsigned items
, unsigned size
)
1287 size
= (size
+ ZALLOC_ALIGNMENT
- 1) & ~(ZALLOC_ALIGNMENT
- 1);
1294 static void zfree(void *x
, void *addr
, unsigned nb
)
1300 #define EXTRA_FIELD 4
1302 #define COMMENT 0x10
1303 #define RESERVED 0xe0
1307 int gunzip(void *dst
, int dstlen
, unsigned char *src
, unsigned long *lenp
)
1315 if (src
[2] != DEFLATED
|| (flags
& RESERVED
) != 0) {
1316 puts ("Error: Bad gzipped data\n");
1319 if ((flags
& EXTRA_FIELD
) != 0)
1320 i
= 12 + src
[10] + (src
[11] << 8);
1321 if ((flags
& ORIG_NAME
) != 0)
1322 while (src
[i
++] != 0)
1324 if ((flags
& COMMENT
) != 0)
1325 while (src
[i
++] != 0)
1327 if ((flags
& HEAD_CRC
) != 0)
1330 puts ("Error: gunzip out of data in header\n");
1336 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1337 s
.outcb
= (cb_func
)WATCHDOG_RESET
;
1340 #endif /* CONFIG_HW_WATCHDOG */
1342 r
= inflateInit2(&s
, -MAX_WBITS
);
1344 printf ("Error: inflateInit2() returned %d\n", r
);
1347 s
.next_in
= src
+ i
;
1348 s
.avail_in
= *lenp
- i
;
1350 s
.avail_out
= dstlen
;
1351 r
= inflate(&s
, Z_FINISH
);
1352 if (r
!= Z_OK
&& r
!= Z_STREAM_END
) {
1353 printf ("Error: inflate() returned %d\n", r
);
1356 *lenp
= s
.next_out
- (unsigned char *) dst
;
1363 void bz_internal_error(int errcode
)
1365 printf ("BZIP2 internal error %d\n", errcode
);
1367 #endif /* CONFIG_BZIP2 */
1370 do_bootm_rtems (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
1371 ulong addr
, ulong
*len_ptr
, int verify
)
1373 DECLARE_GLOBAL_DATA_PTR
;
1374 image_header_t
*hdr
= &header
;
1375 void (*entry_point
)(bd_t
*);
1377 entry_point
= (void (*)(bd_t
*)) ntohl(hdr
->ih_ep
);
1379 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1380 (ulong
)entry_point
);
1382 SHOW_BOOT_PROGRESS (15);
1386 * r3: ptr to board info data
1389 (*entry_point
) ( gd
->bd
);
1392 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1394 do_bootm_vxworks (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
1395 ulong addr
, ulong
*len_ptr
, int verify
)
1397 image_header_t
*hdr
= &header
;
1400 sprintf(str
, "%x", ntohl(hdr
->ih_ep
)); /* write entry-point into string */
1401 setenv("loadaddr", str
);
1402 do_bootvx(cmdtp
, 0, 0, NULL
);
1406 do_bootm_qnxelf (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
1407 ulong addr
, ulong
*len_ptr
, int verify
)
1409 image_header_t
*hdr
= &header
;
1410 char *local_args
[2];
1413 sprintf(str
, "%x", ntohl(hdr
->ih_ep
)); /* write entry-point into string */
1414 local_args
[0] = argv
[0];
1415 local_args
[1] = str
; /* and provide it via the arguments */
1416 do_bootelf(cmdtp
, 0, 2, local_args
);
1418 #endif /* CFG_CMD_ELF */
1420 #ifdef CONFIG_LYNXKDI
1422 do_bootm_lynxkdi (cmd_tbl_t
*cmdtp
, int flag
,
1423 int argc
, char *argv
[],
1428 lynxkdi_boot( &header
);
1431 #endif /* CONFIG_LYNXKDI */