2 * (C) Copyright 2000-2002
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 image_header_t header
;
145 ulong load_addr
= CFG_LOAD_ADDR
; /* Default Load Address */
147 int do_bootm (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
151 ulong data
, len
, checksum
;
153 uint unc_len
= 0x400000;
156 int (*appl
)(int, char *[]);
157 image_header_t
*hdr
= &header
;
159 s
= getenv ("verify");
160 verify
= (s
&& (*s
== 'n')) ? 0 : 1;
165 addr
= simple_strtoul(argv
[1], NULL
, 16);
168 SHOW_BOOT_PROGRESS (1);
169 printf ("## Booting image at %08lx ...\n", addr
);
171 /* Copy header so we can blank CRC field for re-calculation */
172 #ifdef CONFIG_HAS_DATAFLASH
173 if (addr_dataflash(addr
)){
174 read_dataflash(addr
, sizeof(image_header_t
), (char *)&header
);
177 memmove (&header
, (char *)addr
, sizeof(image_header_t
));
179 if (ntohl(hdr
->ih_magic
) != IH_MAGIC
) {
180 #ifdef __I386__ /* correct image format not implemented yet - fake it */
181 if (fake_header(hdr
, (void*)addr
, -1) != NULL
) {
182 /* to compensate for the addition below */
183 addr
-= sizeof(image_header_t
);
185 * fake_header() does not fake the data crc
189 #endif /* __I386__ */
191 puts ("Bad Magic Number\n");
192 SHOW_BOOT_PROGRESS (-1);
196 SHOW_BOOT_PROGRESS (2);
198 data
= (ulong
)&header
;
199 len
= sizeof(image_header_t
);
201 checksum
= ntohl(hdr
->ih_hcrc
);
204 if (crc32 (0, (uchar
*)data
, len
) != checksum
) {
205 puts ("Bad Header Checksum\n");
206 SHOW_BOOT_PROGRESS (-2);
209 SHOW_BOOT_PROGRESS (3);
211 #ifdef CONFIG_HAS_DATAFLASH
212 if (addr_dataflash(addr
)){
213 len
= ntohl(hdr
->ih_size
) + sizeof(image_header_t
);
214 read_dataflash(addr
, len
, (char *)CFG_LOAD_ADDR
);
215 addr
= CFG_LOAD_ADDR
;
220 /* for multi-file images we need the data part, too */
221 print_image_hdr ((image_header_t
*)addr
);
223 data
= addr
+ sizeof(image_header_t
);
224 len
= ntohl(hdr
->ih_size
);
227 puts (" Verifying Checksum ... ");
228 if (crc32 (0, (uchar
*)data
, len
) != ntohl(hdr
->ih_dcrc
)) {
229 printf ("Bad Data CRC\n");
230 SHOW_BOOT_PROGRESS (-3);
235 SHOW_BOOT_PROGRESS (4);
237 len_ptr
= (ulong
*)data
;
240 if (hdr
->ih_arch
!= IH_CPU_PPC
)
241 #elif defined(__ARM__)
242 if (hdr
->ih_arch
!= IH_CPU_ARM
)
243 #elif defined(__I386__)
244 if (hdr
->ih_arch
!= IH_CPU_I386
)
245 #elif defined(__mips__)
246 if (hdr
->ih_arch
!= IH_CPU_MIPS
)
247 #elif defined(__nios__)
248 if (hdr
->ih_arch
!= IH_CPU_NIOS
)
249 #elif defined(__M68K__)
250 if (hdr
->ih_arch
!= IH_CPU_M68K
)
251 #elif defined(__microblaze__)
252 if (hdr
->ih_arch
!= IH_CPU_MICROBLAZE
)
253 #elif defined(__nios2__)
254 if (hdr
->ih_arch
!= IH_CPU_NIOS2
)
256 # error Unknown CPU type
259 printf ("Unsupported Architecture 0x%x\n", hdr
->ih_arch
);
260 SHOW_BOOT_PROGRESS (-4);
263 SHOW_BOOT_PROGRESS (5);
265 switch (hdr
->ih_type
) {
266 case IH_TYPE_STANDALONE
:
267 name
= "Standalone Application";
268 /* A second argument overwrites the load address */
270 hdr
->ih_load
= htonl(simple_strtoul(argv
[2], NULL
, 16));
274 name
= "Kernel Image";
277 name
= "Multi-File Image";
278 len
= ntohl(len_ptr
[0]);
279 /* OS kernel is always the first image */
280 data
+= 8; /* kernel_len + terminator */
281 for (i
=1; len_ptr
[i
]; ++i
)
284 default: printf ("Wrong Image Type for %s command\n", cmdtp
->name
);
285 SHOW_BOOT_PROGRESS (-5);
288 SHOW_BOOT_PROGRESS (6);
291 * We have reached the point of no return: we are going to
292 * overwrite all exception vector code, so we cannot easily
293 * recover from any failures any more...
296 iflag
= disable_interrupts();
298 #ifdef CONFIG_AMIGAONEG3SE
300 * We've possible left the caches enabled during
301 * bios emulation, so turn them off again
304 invalidate_l1_instruction_cache();
309 switch (hdr
->ih_comp
) {
311 if(ntohl(hdr
->ih_load
) == addr
) {
312 printf (" XIP %s ... ", name
);
314 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
316 void *to
= (void *)ntohl(hdr
->ih_load
);
317 void *from
= (void *)data
;
319 printf (" Loading %s ... ", name
);
322 size_t tail
= (l
> CHUNKSZ
) ? CHUNKSZ
: l
;
324 memmove (to
, from
, tail
);
329 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
330 memmove ((void *) ntohl(hdr
->ih_load
), (uchar
*)data
, len
);
331 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
335 printf (" Uncompressing %s ... ", name
);
336 if (gunzip ((void *)ntohl(hdr
->ih_load
), unc_len
,
337 (uchar
*)data
, &len
) != 0) {
338 puts ("GUNZIP ERROR - must RESET board to recover\n");
339 SHOW_BOOT_PROGRESS (-6);
340 do_reset (cmdtp
, flag
, argc
, argv
);
345 printf (" Uncompressing %s ... ", name
);
347 * If we've got less than 4 MB of malloc() space,
348 * use slower decompression algorithm which requires
349 * at most 2300 KB of memory.
351 i
= BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr
->ih_load
),
352 &unc_len
, (char *)data
, len
,
353 CFG_MALLOC_LEN
< (4096 * 1024), 0);
355 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i
);
356 SHOW_BOOT_PROGRESS (-6);
358 do_reset (cmdtp
, flag
, argc
, argv
);
361 #endif /* CONFIG_BZIP2 */
365 printf ("Unimplemented compression type %d\n", hdr
->ih_comp
);
366 SHOW_BOOT_PROGRESS (-7);
370 SHOW_BOOT_PROGRESS (7);
372 switch (hdr
->ih_type
) {
373 case IH_TYPE_STANDALONE
:
377 /* load (and uncompress), but don't start if "autostart"
380 if (((s
= getenv("autostart")) != NULL
) && (strcmp(s
,"no") == 0)) {
382 sprintf(buf
, "%lX", len
);
383 setenv("filesize", buf
);
386 appl
= (int (*)(int, char *[]))ntohl(hdr
->ih_ep
);
387 (*appl
)(argc
-1, &argv
[1]);
396 printf ("Can't boot image type %d\n", hdr
->ih_type
);
397 SHOW_BOOT_PROGRESS (-8);
400 SHOW_BOOT_PROGRESS (8);
402 switch (hdr
->ih_os
) {
403 default: /* handled by (original) Linux case */
405 #ifdef CONFIG_SILENT_CONSOLE
406 fixup_silent_linux();
408 do_bootm_linux (cmdtp
, flag
, argc
, argv
,
409 addr
, len_ptr
, verify
);
412 do_bootm_netbsd (cmdtp
, flag
, argc
, argv
,
413 addr
, len_ptr
, verify
);
416 #ifdef CONFIG_LYNXKDI
418 do_bootm_lynxkdi (cmdtp
, flag
, argc
, argv
,
419 addr
, len_ptr
, verify
);
424 do_bootm_rtems (cmdtp
, flag
, argc
, argv
,
425 addr
, len_ptr
, verify
);
428 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
430 do_bootm_vxworks (cmdtp
, flag
, argc
, argv
,
431 addr
, len_ptr
, verify
);
434 do_bootm_qnxelf (cmdtp
, flag
, argc
, argv
,
435 addr
, len_ptr
, verify
);
437 #endif /* CFG_CMD_ELF */
440 do_bootm_artos (cmdtp
, flag
, argc
, argv
,
441 addr
, len_ptr
, verify
);
446 SHOW_BOOT_PROGRESS (-9);
448 puts ("\n## Control returned to monitor - resetting...\n");
449 do_reset (cmdtp
, flag
, argc
, argv
);
455 bootm
, CFG_MAXARGS
, 1, do_bootm
,
456 "bootm - boot application image from memory\n",
457 "[addr [arg ...]]\n - boot application image stored in memory\n"
458 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
459 "\t'arg' can be the address of an initrd image\n"
462 #ifdef CONFIG_SILENT_CONSOLE
464 fixup_silent_linux ()
466 DECLARE_GLOBAL_DATA_PTR
;
467 char buf
[256], *start
, *end
;
468 char *cmdline
= getenv ("bootargs");
470 /* Only fix cmdline when requested */
471 if (!(gd
->flags
& GD_FLG_SILENT
))
474 debug ("before silent fix-up: %s\n", cmdline
);
476 if ((start
= strstr (cmdline
, "console=")) != NULL
) {
477 end
= strchr (start
, ' ');
478 strncpy (buf
, cmdline
, (start
- cmdline
+ 8));
480 strcpy (buf
+ (start
- cmdline
+ 8), end
);
482 buf
[start
- cmdline
+ 8] = '\0';
484 strcpy (buf
, cmdline
);
485 strcat (buf
, " console=");
488 strcpy (buf
, "console=");
491 setenv ("bootargs", buf
);
492 debug ("after silent fix-up: %s\n", buf
);
494 #endif /* CONFIG_SILENT_CONSOLE */
496 #ifdef CONFIG_OF_FLAT_TREE
497 extern const unsigned char oftree_dtb
[];
498 extern const unsigned int oftree_dtb_len
;
503 do_bootm_linux (cmd_tbl_t
*cmdtp
, int flag
,
504 int argc
, char *argv
[],
509 DECLARE_GLOBAL_DATA_PTR
;
513 ulong initrd_start
, initrd_end
;
514 ulong cmd_start
, cmd_end
;
517 int initrd_copy_to_ram
= 1;
521 void (*kernel
)(bd_t
*, ulong
, ulong
, ulong
, ulong
);
522 image_header_t
*hdr
= &header
;
523 #ifdef CONFIG_OF_FLAT_TREE
527 if ((s
= getenv ("initrd_high")) != NULL
) {
528 /* a value of "no" or a similar string will act like 0,
529 * turning the "load high" feature off. This is intentional.
531 initrd_high
= simple_strtoul(s
, NULL
, 16);
532 if (initrd_high
== ~0)
533 initrd_copy_to_ram
= 0;
534 } else { /* not set, no restrictions to load high */
538 #ifdef CONFIG_LOGBUFFER
540 /* Prevent initrd from overwriting logbuffer */
541 if (initrd_high
< (kbd
->bi_memsize
-LOGBUFF_LEN
-LOGBUFF_OVERHEAD
))
542 initrd_high
= kbd
->bi_memsize
-LOGBUFF_LEN
-LOGBUFF_OVERHEAD
;
543 debug ("## Logbuffer at 0x%08lX ", kbd
->bi_memsize
-LOGBUFF_LEN
);
547 * Booting a (Linux) kernel image
549 * Allocate space for command line and board info - the
550 * address should be as high as possible within the reach of
551 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
552 * memory, which means far enough below the current stack
556 asm( "mr %0,1": "=r"(sp
) : );
558 debug ("## Current stack ends at 0x%08lX ", sp
);
560 sp
-= 2048; /* just to be sure */
561 if (sp
> CFG_BOOTMAPSZ
)
565 debug ("=> set upper limit to 0x%08lX\n", sp
);
567 cmdline
= (char *)((sp
- CFG_BARGSIZE
) & ~0xF);
568 kbd
= (bd_t
*)(((ulong
)cmdline
- sizeof(bd_t
)) & ~0xF);
570 if ((s
= getenv("bootargs")) == NULL
)
575 cmd_start
= (ulong
)&cmdline
[0];
576 cmd_end
= cmd_start
+ strlen(cmdline
);
581 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start
, cmd_end
);
583 do_bdinfo (NULL
, 0, 0, NULL
);
586 if ((s
= getenv ("clocks_in_mhz")) != NULL
) {
587 /* convert all clock information to MHz */
588 kbd
->bi_intfreq
/= 1000000L;
589 kbd
->bi_busfreq
/= 1000000L;
590 #if defined(CONFIG_MPC8220)
591 kbd
->bi_inpfreq
/= 1000000L;
592 kbd
->bi_pcifreq
/= 1000000L;
593 kbd
->bi_pevfreq
/= 1000000L;
594 kbd
->bi_flbfreq
/= 1000000L;
595 kbd
->bi_vcofreq
/= 1000000L;
597 #if defined(CONFIG_CPM2)
598 kbd
->bi_cpmfreq
/= 1000000L;
599 kbd
->bi_brgfreq
/= 1000000L;
600 kbd
->bi_sccfreq
/= 1000000L;
601 kbd
->bi_vco
/= 1000000L;
603 #if defined(CONFIG_MPC5xxx)
604 kbd
->bi_ipbfreq
/= 1000000L;
605 kbd
->bi_pcifreq
/= 1000000L;
606 #endif /* CONFIG_MPC5xxx */
609 kernel
= (void (*)(bd_t
*, ulong
, ulong
, ulong
, ulong
))hdr
->ih_ep
;
612 * Check if there is an initrd image
615 SHOW_BOOT_PROGRESS (9);
617 addr
= simple_strtoul(argv
[2], NULL
, 16);
619 printf ("## Loading RAMDisk Image at %08lx ...\n", addr
);
621 /* Copy header so we can blank CRC field for re-calculation */
622 memmove (&header
, (char *)addr
, sizeof(image_header_t
));
624 if (hdr
->ih_magic
!= IH_MAGIC
) {
625 puts ("Bad Magic Number\n");
626 SHOW_BOOT_PROGRESS (-10);
627 do_reset (cmdtp
, flag
, argc
, argv
);
630 data
= (ulong
)&header
;
631 len
= sizeof(image_header_t
);
633 checksum
= hdr
->ih_hcrc
;
636 if (crc32 (0, (uchar
*)data
, len
) != checksum
) {
637 puts ("Bad Header Checksum\n");
638 SHOW_BOOT_PROGRESS (-11);
639 do_reset (cmdtp
, flag
, argc
, argv
);
642 SHOW_BOOT_PROGRESS (10);
644 print_image_hdr (hdr
);
646 data
= addr
+ sizeof(image_header_t
);
651 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
652 ulong cdata
= data
, edata
= cdata
+ len
;
653 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
655 puts (" Verifying Checksum ... ");
657 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
659 while (cdata
< edata
) {
660 ulong chunk
= edata
- cdata
;
664 csum
= crc32 (csum
, (uchar
*)cdata
, chunk
);
669 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
670 csum
= crc32 (0, (uchar
*)data
, len
);
671 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
673 if (csum
!= hdr
->ih_dcrc
) {
674 puts ("Bad Data CRC\n");
675 SHOW_BOOT_PROGRESS (-12);
676 do_reset (cmdtp
, flag
, argc
, argv
);
681 SHOW_BOOT_PROGRESS (11);
683 if ((hdr
->ih_os
!= IH_OS_LINUX
) ||
684 (hdr
->ih_arch
!= IH_CPU_PPC
) ||
685 (hdr
->ih_type
!= IH_TYPE_RAMDISK
) ) {
686 puts ("No Linux PPC Ramdisk Image\n");
687 SHOW_BOOT_PROGRESS (-13);
688 do_reset (cmdtp
, flag
, argc
, argv
);
692 * Now check if we have a multifile image
694 } else if ((hdr
->ih_type
==IH_TYPE_MULTI
) && (len_ptr
[1])) {
695 u_long tail
= ntohl(len_ptr
[0]) % 4;
698 SHOW_BOOT_PROGRESS (13);
700 /* skip kernel length and terminator */
701 data
= (ulong
)(&len_ptr
[2]);
702 /* skip any additional image length fields */
703 for (i
=1; len_ptr
[i
]; ++i
)
705 /* add kernel length, and align */
706 data
+= ntohl(len_ptr
[0]);
711 len
= ntohl(len_ptr
[1]);
717 SHOW_BOOT_PROGRESS (14);
723 debug ("No initrd\n");
727 if (!initrd_copy_to_ram
) { /* zero-copy ramdisk support */
729 initrd_end
= initrd_start
+ len
;
731 initrd_start
= (ulong
)kbd
- len
;
732 initrd_start
&= ~(4096 - 1); /* align on page */
738 * the inital ramdisk does not need to be within
739 * CFG_BOOTMAPSZ as it is not accessed until after
740 * the mm system is initialised.
742 * do the stack bottom calculation again and see if
743 * the initrd will fit just below the monitor stack
744 * bottom without overwriting the area allocated
745 * above for command line args and board info.
747 asm( "mr %0,1": "=r"(nsp
) : );
748 nsp
-= 2048; /* just to be sure */
750 if (nsp
> initrd_high
) /* limit as specified */
753 nsp
&= ~(4096 - 1); /* align on page */
758 SHOW_BOOT_PROGRESS (12);
760 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
761 data
, data
+ len
- 1, len
, len
);
763 initrd_end
= initrd_start
+ len
;
764 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
765 initrd_start
, initrd_end
);
766 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
769 void *to
= (void *)initrd_start
;
770 void *from
= (void *)data
;
773 size_t tail
= (l
> CHUNKSZ
) ? CHUNKSZ
: l
;
775 memmove (to
, from
, tail
);
781 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
782 memmove ((void *)initrd_start
, (void *)data
, len
);
783 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
791 #ifdef CONFIG_OF_FLAT_TREE
792 if (initrd_start
== 0)
793 of_flat_tree
= (char *)(((ulong
)kbd
- OF_FLAT_TREE_MAX_SIZE
-
794 sizeof(bd_t
)) & ~0xF);
796 of_flat_tree
= (char *)((initrd_start
- OF_FLAT_TREE_MAX_SIZE
-
797 sizeof(bd_t
)) & ~0xF);
800 debug ("## Transferring control to Linux (at address %08lx) ...\n",
803 SHOW_BOOT_PROGRESS (15);
805 #ifndef CONFIG_OF_FLAT_TREE
807 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
808 unlock_ram_in_cache();
812 * Linux Kernel Parameters:
813 * r3: ptr to board info data
814 * r4: initrd_start or 0 if no initrd
815 * r5: initrd_end - unused if r4 is 0
816 * r6: Start of command line string
817 * r7: End of command line string
819 (*kernel
) (kbd
, initrd_start
, initrd_end
, cmd_start
, cmd_end
);
822 ft_setup(of_flat_tree
, OF_FLAT_TREE_MAX_SIZE
, kbd
, initrd_start
, initrd_end
);
823 /* ft_dump_blob(of_flat_tree); */
825 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
826 unlock_ram_in_cache();
829 * Linux Kernel Parameters:
830 * r3: ptr to OF flat tree, followed by the board info data
831 * r4: physical pointer to the kernel itself
836 if (getenv("disable_of") != NULL
)
837 (*kernel
) ((bd_t
*)of_flat_tree
, initrd_start
, initrd_end
,
840 (*kernel
) ((bd_t
*)of_flat_tree
, (ulong
)kernel
, 0, 0, 0);
844 #endif /* CONFIG_PPC */
847 do_bootm_netbsd (cmd_tbl_t
*cmdtp
, int flag
,
848 int argc
, char *argv
[],
853 DECLARE_GLOBAL_DATA_PTR
;
855 image_header_t
*hdr
= &header
;
857 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
858 image_header_t
*img_addr
;
864 * Booting a (NetBSD) kernel image
866 * This process is pretty similar to a standalone application:
867 * The (first part of an multi-) image must be a stage-2 loader,
868 * which in turn is responsible for loading & invoking the actual
869 * kernel. The only differences are the parameters being passed:
870 * besides the board info strucure, the loader expects a command
871 * line, the name of the console device, and (optionally) the
872 * address of the original image header.
876 if ((hdr
->ih_type
==IH_TYPE_MULTI
) && (len_ptr
[1]))
877 img_addr
= (image_header_t
*) addr
;
881 #if defined (CONFIG_8xx_CONS_SMC1)
883 #elif defined (CONFIG_8xx_CONS_SMC2)
885 #elif defined (CONFIG_8xx_CONS_SCC2)
887 #elif defined (CONFIG_8xx_CONS_SCC3)
895 for (i
=2, len
=0 ; i
<argc
; i
+=1)
896 len
+= strlen (argv
[i
]) + 1;
897 cmdline
= malloc (len
);
899 for (i
=2, len
=0 ; i
<argc
; i
+=1) {
901 cmdline
[len
++] = ' ';
902 strcpy (&cmdline
[len
], argv
[i
]);
903 len
+= strlen (argv
[i
]);
905 } else if ((cmdline
= getenv("bootargs")) == NULL
) {
909 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *)) hdr
->ih_ep
;
911 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
914 SHOW_BOOT_PROGRESS (15);
917 * NetBSD Stage-2 Loader Parameters:
918 * r3: ptr to board info data
921 * r6: boot args string
923 (*loader
) (gd
->bd
, img_addr
, consdev
, cmdline
);
926 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
928 /* Function that returns a character from the environment */
929 extern uchar (*env_get_char
)(int);
932 do_bootm_artos (cmd_tbl_t
*cmdtp
, int flag
,
933 int argc
, char *argv
[],
938 DECLARE_GLOBAL_DATA_PTR
;
942 int i
, j
, nxt
, len
, envno
, envsz
;
944 void (*entry
)(bd_t
*bd
, char *cmdline
, char **fwenv
, ulong top
);
945 image_header_t
*hdr
= &header
;
948 * Booting an ARTOS kernel image + application
951 /* this used to be the top of memory, but was wrong... */
953 /* get stack pointer */
954 asm volatile ("mr %0,1" : "=r"(top
) );
956 debug ("## Current stack ends at 0x%08lX ", top
);
958 top
-= 2048; /* just to be sure */
959 if (top
> CFG_BOOTMAPSZ
)
963 debug ("=> set upper limit to 0x%08lX\n", top
);
965 /* first check the artos specific boot args, then the linux args*/
966 if ((s
= getenv("abootargs")) == NULL
&& (s
= getenv("bootargs")) == NULL
)
969 /* get length of cmdline, and place it */
971 top
= (top
- (len
+ 1)) & ~0xF;
972 cmdline
= (char *)top
;
973 debug ("## cmdline at 0x%08lX ", top
);
977 top
= (top
- sizeof(bd_t
)) & ~0xF;
978 debug ("## bd at 0x%08lX ", top
);
980 memcpy(kbd
, gd
->bd
, sizeof(bd_t
));
982 /* first find number of env entries, and their size */
985 for (i
= 0; env_get_char(i
) != '\0'; i
= nxt
+ 1) {
986 for (nxt
= i
; env_get_char(nxt
) != '\0'; ++nxt
)
989 envsz
+= (nxt
- i
) + 1; /* plus trailing zero */
991 envno
++; /* plus the terminating zero */
992 debug ("## %u envvars total size %u ", envno
, envsz
);
994 top
= (top
- sizeof(char **)*envno
) & ~0xF;
995 fwenv
= (char **)top
;
996 debug ("## fwenv at 0x%08lX ", top
);
998 top
= (top
- envsz
) & ~0xF;
1003 for (i
= 0; env_get_char(i
) != '\0'; i
= nxt
+ 1) {
1004 for (nxt
= i
; env_get_char(nxt
) != '\0'; ++nxt
)
1007 for (j
= i
; j
< nxt
; ++j
)
1008 *s
++ = env_get_char(j
);
1011 *ss
++ = NULL
; /* terminate */
1013 entry
= (void (*)(bd_t
*, char *, char **, ulong
))ntohl(hdr
->ih_ep
);
1014 (*entry
)(kbd
, cmdline
, fwenv
, top
);
1019 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1020 int do_bootd (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1023 #ifndef CFG_HUSH_PARSER
1024 if (run_command (getenv ("bootcmd"), flag
) < 0) rcode
= 1;
1026 if (parse_string_outer(getenv("bootcmd"),
1027 FLAG_PARSE_SEMICOLON
| FLAG_EXIT_FROM_LOOP
) != 0 ) rcode
= 1;
1033 boot
, 1, 1, do_bootd
,
1034 "boot - boot default, i.e., run 'bootcmd'\n",
1038 /* keep old command name "bootd" for backward compatibility */
1040 bootd
, 1, 1, do_bootd
,
1041 "bootd - boot default, i.e., run 'bootcmd'\n",
1047 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1048 int do_iminfo ( cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1055 return image_info (load_addr
);
1058 for (arg
=1; arg
<argc
; ++arg
) {
1059 addr
= simple_strtoul(argv
[arg
], NULL
, 16);
1060 if (image_info (addr
) != 0) rcode
= 1;
1065 static int image_info (ulong addr
)
1067 ulong data
, len
, checksum
;
1068 image_header_t
*hdr
= &header
;
1070 printf ("\n## Checking Image at %08lx ...\n", addr
);
1072 /* Copy header so we can blank CRC field for re-calculation */
1073 memmove (&header
, (char *)addr
, sizeof(image_header_t
));
1075 if (ntohl(hdr
->ih_magic
) != IH_MAGIC
) {
1076 puts (" Bad Magic Number\n");
1080 data
= (ulong
)&header
;
1081 len
= sizeof(image_header_t
);
1083 checksum
= ntohl(hdr
->ih_hcrc
);
1086 if (crc32 (0, (uchar
*)data
, len
) != checksum
) {
1087 puts (" Bad Header Checksum\n");
1091 /* for multi-file images we need the data part, too */
1092 print_image_hdr ((image_header_t
*)addr
);
1094 data
= addr
+ sizeof(image_header_t
);
1095 len
= ntohl(hdr
->ih_size
);
1097 puts (" Verifying Checksum ... ");
1098 if (crc32 (0, (uchar
*)data
, len
) != ntohl(hdr
->ih_dcrc
)) {
1099 puts (" Bad Data CRC\n");
1107 iminfo
, CFG_MAXARGS
, 1, do_iminfo
,
1108 "iminfo - print header information for application image\n",
1110 " - print header information for application image starting at\n"
1111 " address 'addr' in memory; this includes verification of the\n"
1112 " image contents (magic number, header and payload checksums)\n"
1115 #endif /* CFG_CMD_IMI */
1117 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1118 /*-----------------------------------------------------------------------
1119 * List all images found in flash.
1121 int do_imls (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
1125 image_header_t
*hdr
;
1126 ulong data
, len
, checksum
;
1128 for (i
=0, info
=&flash_info
[0]; i
<CFG_MAX_FLASH_BANKS
; ++i
, ++info
) {
1129 if (info
->flash_id
== FLASH_UNKNOWN
)
1131 for (j
=0; j
<info
->sector_count
; ++j
) {
1133 if (!(hdr
=(image_header_t
*)info
->start
[j
]) ||
1134 (ntohl(hdr
->ih_magic
) != IH_MAGIC
))
1137 /* Copy header so we can blank CRC field for re-calculation */
1138 memmove (&header
, (char *)hdr
, sizeof(image_header_t
));
1140 checksum
= ntohl(header
.ih_hcrc
);
1143 if (crc32 (0, (uchar
*)&header
, sizeof(image_header_t
))
1147 printf ("Image at %08lX:\n", (ulong
)hdr
);
1148 print_image_hdr( hdr
);
1150 data
= (ulong
)hdr
+ sizeof(image_header_t
);
1151 len
= ntohl(hdr
->ih_size
);
1153 puts (" Verifying Checksum ... ");
1154 if (crc32 (0, (uchar
*)data
, len
) != ntohl(hdr
->ih_dcrc
)) {
1155 puts (" Bad Data CRC\n");
1167 imls
, 1, 1, do_imls
,
1168 "imls - list all images found in flash\n",
1170 " - Prints information about all images found at sector\n"
1171 " boundaries in flash.\n"
1173 #endif /* CFG_CMD_IMLS */
1176 print_image_hdr (image_header_t
*hdr
)
1178 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1179 time_t timestamp
= (time_t)ntohl(hdr
->ih_time
);
1183 printf (" Image Name: %.*s\n", IH_NMLEN
, hdr
->ih_name
);
1184 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1185 to_tm (timestamp
, &tm
);
1186 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1187 tm
.tm_year
, tm
.tm_mon
, tm
.tm_mday
,
1188 tm
.tm_hour
, tm
.tm_min
, tm
.tm_sec
);
1189 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1190 puts (" Image Type: "); print_type(hdr
);
1191 printf ("\n Data Size: %d Bytes = ", ntohl(hdr
->ih_size
));
1192 print_size (ntohl(hdr
->ih_size
), "\n");
1193 printf (" Load Address: %08x\n"
1194 " Entry Point: %08x\n",
1195 ntohl(hdr
->ih_load
), ntohl(hdr
->ih_ep
));
1197 if (hdr
->ih_type
== IH_TYPE_MULTI
) {
1200 ulong
*len_ptr
= (ulong
*)((ulong
)hdr
+ sizeof(image_header_t
));
1202 puts (" Contents:\n");
1203 for (i
=0; (len
= ntohl(*len_ptr
)); ++i
, ++len_ptr
) {
1204 printf (" Image %d: %8ld Bytes = ", i
, len
);
1205 print_size (len
, "\n");
1212 print_type (image_header_t
*hdr
)
1214 char *os
, *arch
, *type
, *comp
;
1216 switch (hdr
->ih_os
) {
1217 case IH_OS_INVALID
: os
= "Invalid OS"; break;
1218 case IH_OS_NETBSD
: os
= "NetBSD"; break;
1219 case IH_OS_LINUX
: os
= "Linux"; break;
1220 case IH_OS_VXWORKS
: os
= "VxWorks"; break;
1221 case IH_OS_QNX
: os
= "QNX"; break;
1222 case IH_OS_U_BOOT
: os
= "U-Boot"; break;
1223 case IH_OS_RTEMS
: os
= "RTEMS"; break;
1225 case IH_OS_ARTOS
: os
= "ARTOS"; break;
1227 #ifdef CONFIG_LYNXKDI
1228 case IH_OS_LYNXOS
: os
= "LynxOS"; break;
1230 default: os
= "Unknown OS"; break;
1233 switch (hdr
->ih_arch
) {
1234 case IH_CPU_INVALID
: arch
= "Invalid CPU"; break;
1235 case IH_CPU_ALPHA
: arch
= "Alpha"; break;
1236 case IH_CPU_ARM
: arch
= "ARM"; break;
1237 case IH_CPU_I386
: arch
= "Intel x86"; break;
1238 case IH_CPU_IA64
: arch
= "IA64"; break;
1239 case IH_CPU_MIPS
: arch
= "MIPS"; break;
1240 case IH_CPU_MIPS64
: arch
= "MIPS 64 Bit"; break;
1241 case IH_CPU_PPC
: arch
= "PowerPC"; break;
1242 case IH_CPU_S390
: arch
= "IBM S390"; break;
1243 case IH_CPU_SH
: arch
= "SuperH"; break;
1244 case IH_CPU_SPARC
: arch
= "SPARC"; break;
1245 case IH_CPU_SPARC64
: arch
= "SPARC 64 Bit"; break;
1246 case IH_CPU_M68K
: arch
= "M68K"; break;
1247 case IH_CPU_MICROBLAZE
: arch
= "Microblaze"; break;
1248 case IH_CPU_NIOS
: arch
= "Nios"; break;
1249 case IH_CPU_NIOS2
: arch
= "Nios-II"; break;
1250 default: arch
= "Unknown Architecture"; break;
1253 switch (hdr
->ih_type
) {
1254 case IH_TYPE_INVALID
: type
= "Invalid Image"; break;
1255 case IH_TYPE_STANDALONE
:type
= "Standalone Program"; break;
1256 case IH_TYPE_KERNEL
: type
= "Kernel Image"; break;
1257 case IH_TYPE_RAMDISK
: type
= "RAMDisk Image"; break;
1258 case IH_TYPE_MULTI
: type
= "Multi-File Image"; break;
1259 case IH_TYPE_FIRMWARE
: type
= "Firmware"; break;
1260 case IH_TYPE_SCRIPT
: type
= "Script"; break;
1261 default: type
= "Unknown Image"; break;
1264 switch (hdr
->ih_comp
) {
1265 case IH_COMP_NONE
: comp
= "uncompressed"; break;
1266 case IH_COMP_GZIP
: comp
= "gzip compressed"; break;
1267 case IH_COMP_BZIP2
: comp
= "bzip2 compressed"; break;
1268 default: comp
= "unknown compression"; break;
1271 printf ("%s %s %s (%s)", arch
, os
, type
, comp
);
1274 #define ZALLOC_ALIGNMENT 16
1276 static void *zalloc(void *x
, unsigned items
, unsigned size
)
1281 size
= (size
+ ZALLOC_ALIGNMENT
- 1) & ~(ZALLOC_ALIGNMENT
- 1);
1288 static void zfree(void *x
, void *addr
, unsigned nb
)
1294 #define EXTRA_FIELD 4
1296 #define COMMENT 0x10
1297 #define RESERVED 0xe0
1301 int gunzip(void *dst
, int dstlen
, unsigned char *src
, unsigned long *lenp
)
1309 if (src
[2] != DEFLATED
|| (flags
& RESERVED
) != 0) {
1310 puts ("Error: Bad gzipped data\n");
1313 if ((flags
& EXTRA_FIELD
) != 0)
1314 i
= 12 + src
[10] + (src
[11] << 8);
1315 if ((flags
& ORIG_NAME
) != 0)
1316 while (src
[i
++] != 0)
1318 if ((flags
& COMMENT
) != 0)
1319 while (src
[i
++] != 0)
1321 if ((flags
& HEAD_CRC
) != 0)
1324 puts ("Error: gunzip out of data in header\n");
1330 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1331 s
.outcb
= (cb_func
)WATCHDOG_RESET
;
1334 #endif /* CONFIG_HW_WATCHDOG */
1336 r
= inflateInit2(&s
, -MAX_WBITS
);
1338 printf ("Error: inflateInit2() returned %d\n", r
);
1341 s
.next_in
= src
+ i
;
1342 s
.avail_in
= *lenp
- i
;
1344 s
.avail_out
= dstlen
;
1345 r
= inflate(&s
, Z_FINISH
);
1346 if (r
!= Z_OK
&& r
!= Z_STREAM_END
) {
1347 printf ("Error: inflate() returned %d\n", r
);
1350 *lenp
= s
.next_out
- (unsigned char *) dst
;
1357 void bz_internal_error(int errcode
)
1359 printf ("BZIP2 internal error %d\n", errcode
);
1361 #endif /* CONFIG_BZIP2 */
1364 do_bootm_rtems (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
1365 ulong addr
, ulong
*len_ptr
, int verify
)
1367 DECLARE_GLOBAL_DATA_PTR
;
1368 image_header_t
*hdr
= &header
;
1369 void (*entry_point
)(bd_t
*);
1371 entry_point
= (void (*)(bd_t
*)) hdr
->ih_ep
;
1373 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1374 (ulong
)entry_point
);
1376 SHOW_BOOT_PROGRESS (15);
1380 * r3: ptr to board info data
1383 (*entry_point
) ( gd
->bd
);
1386 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1388 do_bootm_vxworks (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
1389 ulong addr
, ulong
*len_ptr
, int verify
)
1391 image_header_t
*hdr
= &header
;
1394 sprintf(str
, "%x", hdr
->ih_ep
); /* write entry-point into string */
1395 setenv("loadaddr", str
);
1396 do_bootvx(cmdtp
, 0, 0, NULL
);
1400 do_bootm_qnxelf (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[],
1401 ulong addr
, ulong
*len_ptr
, int verify
)
1403 image_header_t
*hdr
= &header
;
1404 char *local_args
[2];
1407 sprintf(str
, "%x", hdr
->ih_ep
); /* write entry-point into string */
1408 local_args
[0] = argv
[0];
1409 local_args
[1] = str
; /* and provide it via the arguments */
1410 do_bootelf(cmdtp
, 0, 2, local_args
);
1412 #endif /* CFG_CMD_ELF */
1414 #ifdef CONFIG_LYNXKDI
1416 do_bootm_lynxkdi (cmd_tbl_t
*cmdtp
, int flag
,
1417 int argc
, char *argv
[],
1422 lynxkdi_boot( &header
);
1425 #endif /* CONFIG_LYNXKDI */