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 #include <linux/compiler.h>
42 #if defined(CONFIG_CMD_USB)
46 #ifdef CONFIG_SYS_HUSH_PARSER
50 #if defined(CONFIG_OF_LIBFDT)
52 #include <fdt_support.h>
56 #include <lzma/LzmaTypes.h>
57 #include <lzma/LzmaDec.h>
58 #include <lzma/LzmaTools.h>
59 #endif /* CONFIG_LZMA */
62 #include <linux/lzo.h>
63 #endif /* CONFIG_LZO */
65 DECLARE_GLOBAL_DATA_PTR
;
67 #ifndef CONFIG_SYS_BOOTM_LEN
68 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
72 extern void bz_internal_error(int);
75 #if defined(CONFIG_CMD_IMI)
76 static int image_info(unsigned long addr
);
79 #if defined(CONFIG_CMD_IMLS)
81 #include <mtd/cfi_flash.h>
82 extern flash_info_t flash_info
[]; /* info for FLASH chips */
85 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
86 static int do_imls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
89 #include <linux/err.h>
92 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
93 static void fixup_silent_linux(void);
96 static const void *boot_get_kernel(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
97 char * const argv
[], bootm_headers_t
*images
,
98 ulong
*os_data
, ulong
*os_len
);
101 * Continue booting an OS image; caller already has:
102 * - copied image header to global variable `header'
103 * - checked header magic number, checksums (both header & image),
104 * - verified image architecture (PPC) and type (KERNEL or MULTI),
105 * - loaded (first part of) image to header load address,
106 * - disabled interrupts.
108 * @flag: Flags indicating what to do (BOOTM_STATE_...)
109 * @argc: Number of arguments. Note that the arguments are shifted down
110 * so that 0 is the first argument not processed by U-Boot, and
111 * argc is adjusted accordingly. This avoids confusion as to how
112 * many arguments are available for the OS.
113 * @images: Pointers to os/initrd/fdt
114 * @return 1 on error. On success the OS boots so this function does
117 typedef int boot_os_fn(int flag
, int argc
, char * const argv
[],
118 bootm_headers_t
*images
);
120 #ifdef CONFIG_BOOTM_LINUX
121 extern boot_os_fn do_bootm_linux
;
123 #ifdef CONFIG_BOOTM_NETBSD
124 static boot_os_fn do_bootm_netbsd
;
126 #if defined(CONFIG_LYNXKDI)
127 static boot_os_fn do_bootm_lynxkdi
;
128 extern void lynxkdi_boot(image_header_t
*);
130 #ifdef CONFIG_BOOTM_RTEMS
131 static boot_os_fn do_bootm_rtems
;
133 #if defined(CONFIG_BOOTM_OSE)
134 static boot_os_fn do_bootm_ose
;
136 #if defined(CONFIG_BOOTM_PLAN9)
137 static boot_os_fn do_bootm_plan9
;
139 #if defined(CONFIG_CMD_ELF)
140 static boot_os_fn do_bootm_vxworks
;
141 static boot_os_fn do_bootm_qnxelf
;
142 int do_bootvx(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
143 int do_bootelf(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
145 #if defined(CONFIG_INTEGRITY)
146 static boot_os_fn do_bootm_integrity
;
149 static boot_os_fn
*boot_os
[] = {
150 #ifdef CONFIG_BOOTM_LINUX
151 [IH_OS_LINUX
] = do_bootm_linux
,
153 #ifdef CONFIG_BOOTM_NETBSD
154 [IH_OS_NETBSD
] = do_bootm_netbsd
,
156 #ifdef CONFIG_LYNXKDI
157 [IH_OS_LYNXOS
] = do_bootm_lynxkdi
,
159 #ifdef CONFIG_BOOTM_RTEMS
160 [IH_OS_RTEMS
] = do_bootm_rtems
,
162 #if defined(CONFIG_BOOTM_OSE)
163 [IH_OS_OSE
] = do_bootm_ose
,
165 #if defined(CONFIG_BOOTM_PLAN9)
166 [IH_OS_PLAN9
] = do_bootm_plan9
,
168 #if defined(CONFIG_CMD_ELF)
169 [IH_OS_VXWORKS
] = do_bootm_vxworks
,
170 [IH_OS_QNX
] = do_bootm_qnxelf
,
172 #ifdef CONFIG_INTEGRITY
173 [IH_OS_INTEGRITY
] = do_bootm_integrity
,
177 bootm_headers_t images
; /* pointers to os/initrd/fdt images */
179 /* Allow for arch specific config before we boot */
180 static void __arch_preboot_os(void)
182 /* please define platform specific arch_preboot_os() */
184 void arch_preboot_os(void) __attribute__((weak
, alias("__arch_preboot_os")));
186 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
189 static void boot_start_lmb(bootm_headers_t
*images
)
192 phys_size_t mem_size
;
194 lmb_init(&images
->lmb
);
196 mem_start
= getenv_bootm_low();
197 mem_size
= getenv_bootm_size();
199 lmb_add(&images
->lmb
, (phys_addr_t
)mem_start
, mem_size
);
201 arch_lmb_reserve(&images
->lmb
);
202 board_lmb_reserve(&images
->lmb
);
205 #define lmb_reserve(lmb, base, size)
206 static inline void boot_start_lmb(bootm_headers_t
*images
) { }
209 static int bootm_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
211 memset((void *)&images
, 0, sizeof(images
));
212 images
.verify
= getenv_yesno("verify");
214 boot_start_lmb(&images
);
216 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START
, "bootm_start");
217 images
.state
= BOOTM_STATE_START
;
222 static int bootm_find_os(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
227 /* get kernel image header, start address and length */
228 os_hdr
= boot_get_kernel(cmdtp
, flag
, argc
, argv
,
229 &images
, &images
.os
.image_start
, &images
.os
.image_len
);
230 if (images
.os
.image_len
== 0) {
231 puts("ERROR: can't get kernel image!\n");
235 /* get image parameters */
236 switch (genimg_get_format(os_hdr
)) {
237 case IMAGE_FORMAT_LEGACY
:
238 images
.os
.type
= image_get_type(os_hdr
);
239 images
.os
.comp
= image_get_comp(os_hdr
);
240 images
.os
.os
= image_get_os(os_hdr
);
242 images
.os
.end
= image_get_image_end(os_hdr
);
243 images
.os
.load
= image_get_load(os_hdr
);
245 #if defined(CONFIG_FIT)
246 case IMAGE_FORMAT_FIT
:
247 if (fit_image_get_type(images
.fit_hdr_os
,
248 images
.fit_noffset_os
, &images
.os
.type
)) {
249 puts("Can't get image type!\n");
250 bootstage_error(BOOTSTAGE_ID_FIT_TYPE
);
254 if (fit_image_get_comp(images
.fit_hdr_os
,
255 images
.fit_noffset_os
, &images
.os
.comp
)) {
256 puts("Can't get image compression!\n");
257 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION
);
261 if (fit_image_get_os(images
.fit_hdr_os
,
262 images
.fit_noffset_os
, &images
.os
.os
)) {
263 puts("Can't get image OS!\n");
264 bootstage_error(BOOTSTAGE_ID_FIT_OS
);
268 images
.os
.end
= fit_get_end(images
.fit_hdr_os
);
270 if (fit_image_get_load(images
.fit_hdr_os
, images
.fit_noffset_os
,
272 puts("Can't get image load address!\n");
273 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR
);
279 puts("ERROR: unknown image format type!\n");
283 /* find kernel entry point */
284 if (images
.legacy_hdr_valid
) {
285 images
.ep
= image_get_ep(&images
.legacy_hdr_os_copy
);
286 #if defined(CONFIG_FIT)
287 } else if (images
.fit_uname_os
) {
290 ret
= fit_image_get_entry(images
.fit_hdr_os
,
291 images
.fit_noffset_os
, &images
.ep
);
293 puts("Can't get entry point property!\n");
298 puts("Could not find kernel entry point!\n");
302 if (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) {
303 images
.os
.load
= images
.os
.image_start
;
304 images
.ep
+= images
.os
.load
;
307 images
.os
.start
= (ulong
)os_hdr
;
312 static int bootm_find_ramdisk(int flag
, int argc
, char * const argv
[])
317 ret
= boot_get_ramdisk(argc
, argv
, &images
, IH_INITRD_ARCH
,
318 &images
.rd_start
, &images
.rd_end
);
320 puts("Ramdisk image is corrupt or invalid\n");
327 #if defined(CONFIG_OF_LIBFDT)
328 static int bootm_find_fdt(int flag
, int argc
, char * const argv
[])
332 /* find flattened device tree */
333 ret
= boot_get_fdt(flag
, argc
, argv
, IH_ARCH_DEFAULT
, &images
,
334 &images
.ft_addr
, &images
.ft_len
);
336 puts("Could not find a valid device tree\n");
340 set_working_fdt_addr(images
.ft_addr
);
346 static int bootm_find_other(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
349 if (((images
.os
.type
== IH_TYPE_KERNEL
) ||
350 (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) ||
351 (images
.os
.type
== IH_TYPE_MULTI
)) &&
352 (images
.os
.os
== IH_OS_LINUX
)) {
353 if (bootm_find_ramdisk(flag
, argc
, argv
))
356 #if defined(CONFIG_OF_LIBFDT)
357 if (bootm_find_fdt(flag
, argc
, argv
))
365 #define BOOTM_ERR_RESET -1
366 #define BOOTM_ERR_OVERLAP -2
367 #define BOOTM_ERR_UNIMPLEMENTED -3
368 static int bootm_load_os(bootm_headers_t
*images
, unsigned long *load_end
,
371 image_info_t os
= images
->os
;
372 uint8_t comp
= os
.comp
;
373 ulong load
= os
.load
;
374 ulong blob_start
= os
.start
;
375 ulong blob_end
= os
.end
;
376 ulong image_start
= os
.image_start
;
377 ulong image_len
= os
.image_len
;
378 __maybe_unused uint unc_len
= CONFIG_SYS_BOOTM_LEN
;
380 void *load_buf
, *image_buf
;
381 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
383 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
385 const char *type_name
= genimg_get_type_name(os
.type
);
387 load_buf
= map_sysmem(load
, image_len
);
388 image_buf
= map_sysmem(image_start
, image_len
);
391 if (load
== blob_start
|| load
== image_start
) {
392 printf(" XIP %s ... ", type_name
);
395 printf(" Loading %s ... ", type_name
);
396 memmove_wd(load_buf
, image_buf
, image_len
, CHUNKSZ
);
398 *load_end
= load
+ image_len
;
402 printf(" Uncompressing %s ... ", type_name
);
403 if (gunzip(load_buf
, unc_len
, image_buf
, &image_len
) != 0) {
404 puts("GUNZIP: uncompress, out-of-mem or overwrite "
405 "error - must RESET board to recover\n");
407 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
408 return BOOTM_ERR_RESET
;
411 *load_end
= load
+ image_len
;
413 #endif /* CONFIG_GZIP */
416 printf(" Uncompressing %s ... ", type_name
);
418 * If we've got less than 4 MB of malloc() space,
419 * use slower decompression algorithm which requires
420 * at most 2300 KB of memory.
422 int i
= BZ2_bzBuffToBuffDecompress(load_buf
, &unc_len
,
423 image_buf
, image_len
,
424 CONFIG_SYS_MALLOC_LEN
< (4096 * 1024), 0);
426 printf("BUNZIP2: uncompress or overwrite error %d "
427 "- must RESET board to recover\n", i
);
429 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
430 return BOOTM_ERR_RESET
;
433 *load_end
= load
+ unc_len
;
435 #endif /* CONFIG_BZIP2 */
438 SizeT lzma_len
= unc_len
;
439 printf(" Uncompressing %s ... ", type_name
);
441 ret
= lzmaBuffToBuffDecompress(load_buf
, &lzma_len
,
442 image_buf
, image_len
);
445 printf("LZMA: uncompress or overwrite error %d "
446 "- must RESET board to recover\n", ret
);
447 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
448 return BOOTM_ERR_RESET
;
450 *load_end
= load
+ unc_len
;
453 #endif /* CONFIG_LZMA */
456 printf(" Uncompressing %s ... ", type_name
);
458 ret
= lzop_decompress(image_buf
, image_len
, load_buf
,
460 if (ret
!= LZO_E_OK
) {
461 printf("LZO: uncompress or overwrite error %d "
462 "- must RESET board to recover\n", ret
);
464 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
465 return BOOTM_ERR_RESET
;
468 *load_end
= load
+ unc_len
;
470 #endif /* CONFIG_LZO */
472 printf("Unimplemented compression type %d\n", comp
);
473 return BOOTM_ERR_UNIMPLEMENTED
;
476 flush_cache(load
, (*load_end
- load
) * sizeof(ulong
));
479 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load
, *load_end
);
480 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED
);
482 if (!no_overlap
&& (load
< blob_end
) && (*load_end
> blob_start
)) {
483 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
484 blob_start
, blob_end
);
485 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load
,
488 /* Check what type of image this is. */
489 if (images
->legacy_hdr_valid
) {
490 if (image_get_type(&images
->legacy_hdr_os_copy
)
492 puts("WARNING: legacy format multi component image overwritten\n");
493 return BOOTM_ERR_OVERLAP
;
495 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
496 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN
);
497 return BOOTM_ERR_RESET
;
504 static int bootm_start_standalone(int argc
, char * const argv
[])
507 int (*appl
)(int, char * const []);
509 /* Don't start if "autostart" is set to "no" */
510 if (((s
= getenv("autostart")) != NULL
) && (strcmp(s
, "no") == 0)) {
511 setenv_hex("filesize", images
.os
.image_len
);
514 appl
= (int (*)(int, char * const []))(ulong
)ntohl(images
.ep
);
519 /* we overload the cmd field with our state machine info instead of a
520 * function pointer */
521 static cmd_tbl_t cmd_bootm_sub
[] = {
522 U_BOOT_CMD_MKENT(start
, 0, 1, (void *)BOOTM_STATE_START
, "", ""),
523 U_BOOT_CMD_MKENT(loados
, 0, 1, (void *)BOOTM_STATE_LOADOS
, "", ""),
524 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
525 U_BOOT_CMD_MKENT(ramdisk
, 0, 1, (void *)BOOTM_STATE_RAMDISK
, "", ""),
527 #ifdef CONFIG_OF_LIBFDT
528 U_BOOT_CMD_MKENT(fdt
, 0, 1, (void *)BOOTM_STATE_FDT
, "", ""),
530 U_BOOT_CMD_MKENT(cmdline
, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE
, "", ""),
531 U_BOOT_CMD_MKENT(bdt
, 0, 1, (void *)BOOTM_STATE_OS_BD_T
, "", ""),
532 U_BOOT_CMD_MKENT(prep
, 0, 1, (void *)BOOTM_STATE_OS_PREP
, "", ""),
533 U_BOOT_CMD_MKENT(fake
, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO
, "", ""),
534 U_BOOT_CMD_MKENT(go
, 0, 1, (void *)BOOTM_STATE_OS_GO
, "", ""),
537 static int boot_selected_os(int argc
, char * const argv
[], int state
,
538 bootm_headers_t
*images
, boot_os_fn
*boot_fn
)
540 if (images
->os
.type
== IH_TYPE_STANDALONE
) {
541 /* This may return when 'autostart' is 'no' */
542 bootm_start_standalone(argc
, argv
);
545 #ifdef CONFIG_SILENT_CONSOLE
546 if (images
->os
.os
== IH_OS_LINUX
)
547 fixup_silent_linux();
550 boot_fn(state
, argc
, argv
, images
);
551 if (state
== BOOTM_STATE_OS_FAKE_GO
) /* We expect to return */
553 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED
);
555 puts("\n## Control returned to monitor - resetting...\n");
557 return BOOTM_ERR_RESET
;
561 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
563 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
566 static ulong
bootm_disable_interrupts(void)
571 * We have reached the point of no return: we are going to
572 * overwrite all exception vector code, so we cannot easily
573 * recover from any failures any more...
575 iflag
= disable_interrupts();
576 #ifdef CONFIG_NETCONSOLE
577 /* Stop the ethernet stack if NetConsole could have left it up */
581 #if defined(CONFIG_CMD_USB)
583 * turn off USB to prevent the host controller from writing to the
584 * SDRAM while Linux is booting. This could happen (at least for OHCI
585 * controller), because the HCCA (Host Controller Communication Area)
586 * lies within the SDRAM and the host controller writes continously to
587 * this area (as busmaster!). The HccaFrameNumber is for example
588 * updated every 1 ms within the HCCA structure in SDRAM! For more
589 * details see the OpenHCI specification.
597 * Execute selected states of the bootm command.
599 * Note the arguments to this state must be the first argument, Any 'bootm'
600 * or sub-command arguments must have already been taken.
602 * Note that if states contains more than one flag it MUST contain
603 * BOOTM_STATE_START, since this handles and consumes the command line args.
605 * Also note that aside from boot_os_fn functions and bootm_load_os no other
606 * functions we store the return value of in 'ret' may use a negative return
607 * value, without special handling.
609 * @param cmdtp Pointer to bootm command table entry
610 * @param flag Command flags (CMD_FLAG_...)
611 * @param argc Number of subcommand arguments (0 = no arguments)
612 * @param argv Arguments
613 * @param states Mask containing states to run (BOOTM_STATE_...)
614 * @param images Image header information
615 * @param boot_progress 1 to show boot progress, 0 to not do this
616 * @return 0 if ok, something else on error. Some errors will cause this
617 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
618 * then the intent is to boot an OS, so this function will not return
619 * unless the image type is standalone.
621 static int do_bootm_states(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
622 char * const argv
[], int states
, bootm_headers_t
*images
,
627 int ret
= 0, need_boot_fn
;
629 images
->state
|= states
;
632 * Work through the states and see how far we get. We stop on
635 if (states
& BOOTM_STATE_START
)
636 ret
= bootm_start(cmdtp
, flag
, argc
, argv
);
638 if (!ret
&& (states
& BOOTM_STATE_FINDOS
))
639 ret
= bootm_find_os(cmdtp
, flag
, argc
, argv
);
641 if (!ret
&& (states
& BOOTM_STATE_FINDOTHER
)) {
642 ret
= bootm_find_other(cmdtp
, flag
, argc
, argv
);
643 argc
= 0; /* consume the args */
647 if (!ret
&& (states
& BOOTM_STATE_LOADOS
)) {
650 iflag
= bootm_disable_interrupts();
651 ret
= bootm_load_os(images
, &load_end
, 0);
653 lmb_reserve(&images
->lmb
, images
->os
.load
,
654 (load_end
- images
->os
.load
));
655 else if (ret
&& ret
!= BOOTM_ERR_OVERLAP
)
657 else if (ret
== BOOTM_ERR_OVERLAP
)
661 /* Relocate the ramdisk */
662 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
663 if (!ret
&& (states
& BOOTM_STATE_RAMDISK
)) {
664 ulong rd_len
= images
->rd_end
- images
->rd_start
;
666 ret
= boot_ramdisk_high(&images
->lmb
, images
->rd_start
,
667 rd_len
, &images
->initrd_start
, &images
->initrd_end
);
669 setenv_hex("initrd_start", images
->initrd_start
);
670 setenv_hex("initrd_end", images
->initrd_end
);
674 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
675 if (!ret
&& (states
& BOOTM_STATE_FDT
)) {
676 boot_fdt_add_mem_rsv_regions(&images
->lmb
, images
->ft_addr
);
677 ret
= boot_relocate_fdt(&images
->lmb
, &images
->ft_addr
,
682 /* From now on, we need the OS boot function */
685 boot_fn
= boot_os
[images
->os
.os
];
686 need_boot_fn
= states
& (BOOTM_STATE_OS_CMDLINE
|
687 BOOTM_STATE_OS_BD_T
| BOOTM_STATE_OS_PREP
|
688 BOOTM_STATE_OS_FAKE_GO
| BOOTM_STATE_OS_GO
);
689 if (boot_fn
== NULL
&& need_boot_fn
) {
692 printf("ERROR: booting os '%s' (%d) is not supported\n",
693 genimg_get_os_name(images
->os
.os
), images
->os
.os
);
694 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS
);
698 /* Call various other states that are not generally used */
699 if (!ret
&& (states
& BOOTM_STATE_OS_CMDLINE
))
700 ret
= boot_fn(BOOTM_STATE_OS_CMDLINE
, argc
, argv
, images
);
701 if (!ret
&& (states
& BOOTM_STATE_OS_BD_T
))
702 ret
= boot_fn(BOOTM_STATE_OS_BD_T
, argc
, argv
, images
);
703 if (!ret
&& (states
& BOOTM_STATE_OS_PREP
))
704 ret
= boot_fn(BOOTM_STATE_OS_PREP
, argc
, argv
, images
);
706 /* Check for unsupported subcommand. */
708 puts("subcommand not supported\n");
714 /* Pretend to run the OS, then run a user command */
715 if (!ret
&& (states
& BOOTM_STATE_OS_FAKE_GO
)) {
716 char *cmd_list
= getenv("fakegocmd");
718 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_FAKE_GO
,
720 if (!ret
&& cmd_list
)
721 ret
= run_command_list(cmd_list
, -1, flag
);
724 /* Now run the OS! We hope this doesn't return */
725 if (!ret
&& (states
& BOOTM_STATE_OS_GO
)) {
726 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_GO
,
734 /* Deal with any fallout */
739 if (ret
== BOOTM_ERR_UNIMPLEMENTED
)
740 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL
);
741 else if (ret
== BOOTM_ERR_RESET
)
742 do_reset(cmdtp
, flag
, argc
, argv
);
747 static int do_bootm_subcommand(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
754 c
= find_cmd_tbl(argv
[0], &cmd_bootm_sub
[0], ARRAY_SIZE(cmd_bootm_sub
));
758 state
= (long)c
->cmd
;
759 if (state
== BOOTM_STATE_START
)
760 state
|= BOOTM_STATE_FINDOS
| BOOTM_STATE_FINDOTHER
;
762 /* Unrecognized command */
763 return CMD_RET_USAGE
;
766 if (state
!= BOOTM_STATE_START
&& images
.state
>= state
) {
767 printf("Trying to execute a command out of order\n");
768 return CMD_RET_USAGE
;
771 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
, state
, &images
, 0);
776 /*******************************************************************/
777 /* bootm - boot application image from image in memory */
778 /*******************************************************************/
780 int do_bootm(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
782 #ifdef CONFIG_NEEDS_MANUAL_RELOC
783 static int relocated
= 0;
788 /* relocate boot function table */
789 for (i
= 0; i
< ARRAY_SIZE(boot_os
); i
++)
790 if (boot_os
[i
] != NULL
)
791 boot_os
[i
] += gd
->reloc_off
;
793 /* relocate names of sub-command table */
794 for (i
= 0; i
< ARRAY_SIZE(cmd_bootm_sub
); i
++)
795 cmd_bootm_sub
[i
].name
+= gd
->reloc_off
;
801 /* determine if we have a sub command */
806 simple_strtoul(argv
[0], &endp
, 16);
807 /* endp pointing to NULL means that argv[0] was just a
808 * valid number, pass it along to the normal bootm processing
810 * If endp is ':' or '#' assume a FIT identifier so pass
811 * along for normal processing.
813 * Right now we assume the first arg should never be '-'
815 if ((*endp
!= 0) && (*endp
!= ':') && (*endp
!= '#'))
816 return do_bootm_subcommand(cmdtp
, flag
, argc
, argv
);
819 return do_bootm_states(cmdtp
, flag
, argc
, argv
, BOOTM_STATE_START
|
820 BOOTM_STATE_FINDOS
| BOOTM_STATE_FINDOTHER
|
821 BOOTM_STATE_LOADOS
| BOOTM_STATE_OS_PREP
|
822 BOOTM_STATE_OS_FAKE_GO
| BOOTM_STATE_OS_GO
, &images
, 1);
825 int bootm_maybe_autostart(cmd_tbl_t
*cmdtp
, const char *cmd
)
827 const char *ep
= getenv("autostart");
829 if (ep
&& !strcmp(ep
, "yes")) {
831 local_args
[0] = (char *)cmd
;
832 local_args
[1] = NULL
;
833 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr
);
834 return do_bootm(cmdtp
, 0, 1, local_args
);
841 * image_get_kernel - verify legacy format kernel image
842 * @img_addr: in RAM address of the legacy format image to be verified
843 * @verify: data CRC verification flag
845 * image_get_kernel() verifies legacy image integrity and returns pointer to
846 * legacy image header if image verification was completed successfully.
849 * pointer to a legacy image header if valid image was found
850 * otherwise return NULL
852 static image_header_t
*image_get_kernel(ulong img_addr
, int verify
)
854 image_header_t
*hdr
= (image_header_t
*)img_addr
;
856 if (!image_check_magic(hdr
)) {
857 puts("Bad Magic Number\n");
858 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC
);
861 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER
);
863 if (!image_check_hcrc(hdr
)) {
864 puts("Bad Header Checksum\n");
865 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER
);
869 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM
);
870 image_print_contents(hdr
);
873 puts(" Verifying Checksum ... ");
874 if (!image_check_dcrc(hdr
)) {
875 printf("Bad Data CRC\n");
876 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM
);
881 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH
);
883 if (!image_check_target_arch(hdr
)) {
884 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr
));
885 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH
);
892 * boot_get_kernel - find kernel image
893 * @os_data: pointer to a ulong variable, will hold os data start address
894 * @os_len: pointer to a ulong variable, will hold os data length
896 * boot_get_kernel() tries to find a kernel image, verifies its integrity
897 * and locates kernel data.
900 * pointer to image header if valid image was found, plus kernel start
901 * address and length, otherwise NULL
903 static const void *boot_get_kernel(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
904 char * const argv
[], bootm_headers_t
*images
, ulong
*os_data
,
910 #if defined(CONFIG_FIT)
911 const char *fit_uname_config
= NULL
;
912 const char *fit_uname_kernel
= NULL
;
916 /* find out kernel image address */
918 img_addr
= load_addr
;
919 debug("* kernel: default image load address = 0x%08lx\n",
921 #if defined(CONFIG_FIT)
922 } else if (fit_parse_conf(argv
[0], load_addr
, &img_addr
,
923 &fit_uname_config
)) {
924 debug("* kernel: config '%s' from image at 0x%08lx\n",
925 fit_uname_config
, img_addr
);
926 } else if (fit_parse_subimage(argv
[0], load_addr
, &img_addr
,
927 &fit_uname_kernel
)) {
928 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
929 fit_uname_kernel
, img_addr
);
932 img_addr
= simple_strtoul(argv
[0], NULL
, 16);
933 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr
);
936 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC
);
938 /* copy from dataflash if needed */
939 img_addr
= genimg_get_image(img_addr
);
941 /* check image type, for FIT images get FIT kernel node */
942 *os_data
= *os_len
= 0;
943 buf
= map_sysmem(img_addr
, 0);
944 switch (genimg_get_format(buf
)) {
945 case IMAGE_FORMAT_LEGACY
:
946 printf("## Booting kernel from Legacy Image at %08lx ...\n",
948 hdr
= image_get_kernel(img_addr
, images
->verify
);
951 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
953 /* get os_data and os_len */
954 switch (image_get_type(hdr
)) {
956 case IH_TYPE_KERNEL_NOLOAD
:
957 *os_data
= image_get_data(hdr
);
958 *os_len
= image_get_data_size(hdr
);
961 image_multi_getimg(hdr
, 0, os_data
, os_len
);
963 case IH_TYPE_STANDALONE
:
964 *os_data
= image_get_data(hdr
);
965 *os_len
= image_get_data_size(hdr
);
968 printf("Wrong Image Type for %s command\n",
970 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
975 * copy image header to allow for image overwrites during
976 * kernel decompression.
978 memmove(&images
->legacy_hdr_os_copy
, hdr
,
979 sizeof(image_header_t
));
981 /* save pointer to image header */
982 images
->legacy_hdr_os
= hdr
;
984 images
->legacy_hdr_valid
= 1;
985 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE
);
987 #if defined(CONFIG_FIT)
988 case IMAGE_FORMAT_FIT
:
989 os_noffset
= fit_image_load(images
, FIT_KERNEL_PROP
,
991 &fit_uname_kernel
, &fit_uname_config
,
992 IH_ARCH_DEFAULT
, IH_TYPE_KERNEL
,
993 BOOTSTAGE_ID_FIT_KERNEL_START
,
994 FIT_LOAD_IGNORED
, os_data
, os_len
);
998 images
->fit_hdr_os
= map_sysmem(img_addr
, 0);
999 images
->fit_uname_os
= fit_uname_kernel
;
1000 images
->fit_uname_cfg
= fit_uname_config
;
1001 images
->fit_noffset_os
= os_noffset
;
1005 printf("Wrong Image Format for %s command\n", cmdtp
->name
);
1006 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO
);
1010 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1011 *os_data
, *os_len
, *os_len
);
1016 #ifdef CONFIG_SYS_LONGHELP
1017 static char bootm_help_text
[] =
1018 "[addr [arg ...]]\n - boot application image stored in memory\n"
1019 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1020 "\t'arg' can be the address of an initrd image\n"
1021 #if defined(CONFIG_OF_LIBFDT)
1022 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1023 "\ta third argument is required which is the address of the\n"
1024 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1025 "\tuse a '-' for the second argument. If you do not pass a third\n"
1026 "\ta bd_info struct will be passed instead\n"
1028 #if defined(CONFIG_FIT)
1029 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1030 "\tmust be extened to include component or configuration unit name:\n"
1031 "\taddr:<subimg_uname> - direct component image specification\n"
1032 "\taddr#<conf_uname> - configuration specification\n"
1033 "\tUse iminfo command to get the list of existing component\n"
1034 "\timages and configurations.\n"
1036 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1038 "issued in the order below (it's ok to not issue all sub-commands):\n"
1039 "\tstart [addr [arg ...]]\n"
1040 "\tloados - load OS image\n"
1041 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1042 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1044 #if defined(CONFIG_OF_LIBFDT)
1045 "\tfdt - relocate flat device tree\n"
1047 "\tcmdline - OS specific command line processing/setup\n"
1048 "\tbdt - OS specific bd_t processing\n"
1049 "\tprep - OS specific prep before relocation or go\n"
1054 bootm
, CONFIG_SYS_MAXARGS
, 1, do_bootm
,
1055 "boot application image from memory", bootm_help_text
1058 /*******************************************************************/
1059 /* bootd - boot default image */
1060 /*******************************************************************/
1061 #if defined(CONFIG_CMD_BOOTD)
1062 int do_bootd(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1066 if (run_command(getenv("bootcmd"), flag
) < 0)
1072 boot
, 1, 1, do_bootd
,
1073 "boot default, i.e., run 'bootcmd'",
1077 /* keep old command name "bootd" for backward compatibility */
1079 bootd
, 1, 1, do_bootd
,
1080 "boot default, i.e., run 'bootcmd'",
1087 /*******************************************************************/
1088 /* iminfo - print header info for a requested image */
1089 /*******************************************************************/
1090 #if defined(CONFIG_CMD_IMI)
1091 static int do_iminfo(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1098 return image_info(load_addr
);
1101 for (arg
= 1; arg
< argc
; ++arg
) {
1102 addr
= simple_strtoul(argv
[arg
], NULL
, 16);
1103 if (image_info(addr
) != 0)
1109 static int image_info(ulong addr
)
1111 void *hdr
= (void *)addr
;
1113 printf("\n## Checking Image at %08lx ...\n", addr
);
1115 switch (genimg_get_format(hdr
)) {
1116 case IMAGE_FORMAT_LEGACY
:
1117 puts(" Legacy image found\n");
1118 if (!image_check_magic(hdr
)) {
1119 puts(" Bad Magic Number\n");
1123 if (!image_check_hcrc(hdr
)) {
1124 puts(" Bad Header Checksum\n");
1128 image_print_contents(hdr
);
1130 puts(" Verifying Checksum ... ");
1131 if (!image_check_dcrc(hdr
)) {
1132 puts(" Bad Data CRC\n");
1137 #if defined(CONFIG_FIT)
1138 case IMAGE_FORMAT_FIT
:
1139 puts(" FIT image found\n");
1141 if (!fit_check_format(hdr
)) {
1142 puts("Bad FIT image format!\n");
1146 fit_print_contents(hdr
);
1148 if (!fit_all_image_verify(hdr
)) {
1149 puts("Bad hash in FIT image!\n");
1156 puts("Unknown image format!\n");
1164 iminfo
, CONFIG_SYS_MAXARGS
, 1, do_iminfo
,
1165 "print header information for application image",
1167 " - print header information for application image starting at\n"
1168 " address 'addr' in memory; this includes verification of the\n"
1169 " image contents (magic number, header and payload checksums)"
1174 /*******************************************************************/
1175 /* imls - list all images found in flash */
1176 /*******************************************************************/
1177 #if defined(CONFIG_CMD_IMLS)
1178 static int do_imls_nor(void)
1184 for (i
= 0, info
= &flash_info
[0];
1185 i
< CONFIG_SYS_MAX_FLASH_BANKS
; ++i
, ++info
) {
1187 if (info
->flash_id
== FLASH_UNKNOWN
)
1189 for (j
= 0; j
< info
->sector_count
; ++j
) {
1191 hdr
= (void *)info
->start
[j
];
1195 switch (genimg_get_format(hdr
)) {
1196 case IMAGE_FORMAT_LEGACY
:
1197 if (!image_check_hcrc(hdr
))
1200 printf("Legacy Image at %08lX:\n", (ulong
)hdr
);
1201 image_print_contents(hdr
);
1203 puts(" Verifying Checksum ... ");
1204 if (!image_check_dcrc(hdr
)) {
1205 puts("Bad Data CRC\n");
1210 #if defined(CONFIG_FIT)
1211 case IMAGE_FORMAT_FIT
:
1212 if (!fit_check_format(hdr
))
1215 printf("FIT Image at %08lX:\n", (ulong
)hdr
);
1216 fit_print_contents(hdr
);
1231 #if defined(CONFIG_CMD_IMLS_NAND)
1232 static int nand_imls_legacyimage(nand_info_t
*nand
, int nand_dev
, loff_t off
,
1238 imgdata
= malloc(len
);
1240 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1242 printf(" Low memory(cannot allocate memory for image)\n");
1246 ret
= nand_read_skip_bad(nand
, off
, &len
,
1248 if (ret
< 0 && ret
!= -EUCLEAN
) {
1253 if (!image_check_hcrc(imgdata
)) {
1258 printf("Legacy Image at NAND device %d offset %08llX:\n",
1260 image_print_contents(imgdata
);
1262 puts(" Verifying Checksum ... ");
1263 if (!image_check_dcrc(imgdata
))
1264 puts("Bad Data CRC\n");
1273 static int nand_imls_fitimage(nand_info_t
*nand
, int nand_dev
, loff_t off
,
1279 imgdata
= malloc(len
);
1281 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1283 printf(" Low memory(cannot allocate memory for image)\n");
1287 ret
= nand_read_skip_bad(nand
, off
, &len
,
1289 if (ret
< 0 && ret
!= -EUCLEAN
) {
1294 if (!fit_check_format(imgdata
)) {
1299 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev
, off
);
1301 fit_print_contents(imgdata
);
1307 static int do_imls_nand(void)
1310 int nand_dev
= nand_curr_device
;
1315 if (nand_dev
< 0 || nand_dev
>= CONFIG_SYS_MAX_NAND_DEVICE
) {
1316 puts("\nNo NAND devices available\n");
1322 for (nand_dev
= 0; nand_dev
< CONFIG_SYS_MAX_NAND_DEVICE
; nand_dev
++) {
1323 nand
= &nand_info
[nand_dev
];
1324 if (!nand
->name
|| !nand
->size
)
1327 for (off
= 0; off
< nand
->size
; off
+= nand
->erasesize
) {
1328 const image_header_t
*header
;
1331 if (nand_block_isbad(nand
, off
))
1334 len
= sizeof(buffer
);
1336 ret
= nand_read(nand
, off
, &len
, (u8
*)buffer
);
1337 if (ret
< 0 && ret
!= -EUCLEAN
) {
1338 printf("NAND read error %d at offset %08llX\n",
1343 switch (genimg_get_format(buffer
)) {
1344 case IMAGE_FORMAT_LEGACY
:
1345 header
= (const image_header_t
*)buffer
;
1347 len
= image_get_image_size(header
);
1348 nand_imls_legacyimage(nand
, nand_dev
, off
, len
);
1350 #if defined(CONFIG_FIT)
1351 case IMAGE_FORMAT_FIT
:
1352 len
= fit_get_size(buffer
);
1353 nand_imls_fitimage(nand
, nand_dev
, off
, len
);
1364 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1365 static int do_imls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1367 int ret_nor
= 0, ret_nand
= 0;
1369 #if defined(CONFIG_CMD_IMLS)
1370 ret_nor
= do_imls_nor();
1373 #if defined(CONFIG_CMD_IMLS_NAND)
1374 ret_nand
= do_imls_nand();
1387 imls
, 1, 1, do_imls
,
1388 "list all images found in flash",
1390 " - Prints information about all images found at sector/block\n"
1391 " boundaries in nor/nand flash."
1395 /*******************************************************************/
1396 /* helper routines */
1397 /*******************************************************************/
1398 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1400 #define CONSOLE_ARG "console="
1401 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1403 static void fixup_silent_linux(void)
1406 const char *env_val
;
1407 char *cmdline
= getenv("bootargs");
1409 /* Only fix cmdline when requested */
1410 if (!(gd
->flags
& GD_FLG_SILENT
))
1413 debug("before silent fix-up: %s\n", cmdline
);
1414 if (cmdline
&& (cmdline
[0] != '\0')) {
1415 char *start
= strstr(cmdline
, CONSOLE_ARG
);
1417 /* Allocate space for maximum possible new command line */
1418 buf
= malloc(strlen(cmdline
) + 1 + CONSOLE_ARG_LEN
+ 1);
1420 debug("%s: out of memory\n", __func__
);
1425 char *end
= strchr(start
, ' ');
1426 int num_start_bytes
= start
- cmdline
+ CONSOLE_ARG_LEN
;
1428 strncpy(buf
, cmdline
, num_start_bytes
);
1430 strcpy(buf
+ num_start_bytes
, end
);
1432 buf
[num_start_bytes
] = '\0';
1434 sprintf(buf
, "%s %s", cmdline
, CONSOLE_ARG
);
1439 env_val
= CONSOLE_ARG
;
1442 setenv("bootargs", env_val
);
1443 debug("after silent fix-up: %s\n", env_val
);
1446 #endif /* CONFIG_SILENT_CONSOLE */
1448 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1449 static void copy_args(char *dest
, int argc
, char * const argv
[], char delim
)
1453 for (i
= 0; i
< argc
; i
++) {
1456 strcpy(dest
, argv
[i
]);
1457 dest
+= strlen(argv
[i
]);
1462 /*******************************************************************/
1463 /* OS booting routines */
1464 /*******************************************************************/
1466 #ifdef CONFIG_BOOTM_NETBSD
1467 static int do_bootm_netbsd(int flag
, int argc
, char * const argv
[],
1468 bootm_headers_t
*images
)
1470 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
1471 image_header_t
*os_hdr
, *hdr
;
1472 ulong kernel_data
, kernel_len
;
1476 if (flag
& BOOTM_STATE_OS_PREP
)
1478 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1481 #if defined(CONFIG_FIT)
1482 if (!images
->legacy_hdr_valid
) {
1483 fit_unsupported_reset("NetBSD");
1487 hdr
= images
->legacy_hdr_os
;
1490 * Booting a (NetBSD) kernel image
1492 * This process is pretty similar to a standalone application:
1493 * The (first part of an multi-) image must be a stage-2 loader,
1494 * which in turn is responsible for loading & invoking the actual
1495 * kernel. The only differences are the parameters being passed:
1496 * besides the board info strucure, the loader expects a command
1497 * line, the name of the console device, and (optionally) the
1498 * address of the original image header.
1501 if (image_check_type(&images
->legacy_hdr_os_copy
, IH_TYPE_MULTI
)) {
1502 image_multi_getimg(hdr
, 1, &kernel_data
, &kernel_len
);
1508 #if defined(CONFIG_8xx_CONS_SMC1)
1510 #elif defined(CONFIG_8xx_CONS_SMC2)
1512 #elif defined(CONFIG_8xx_CONS_SCC2)
1514 #elif defined(CONFIG_8xx_CONS_SCC3)
1522 for (i
= 0, len
= 0; i
< argc
; i
+= 1)
1523 len
+= strlen(argv
[i
]) + 1;
1524 cmdline
= malloc(len
);
1525 copy_args(cmdline
, argc
, argv
, ' ');
1526 } else if ((cmdline
= getenv("bootargs")) == NULL
) {
1530 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *))images
->ep
;
1532 printf("## Transferring control to NetBSD stage-2 loader "
1533 "(at address %08lx) ...\n",
1536 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1539 * NetBSD Stage-2 Loader Parameters:
1540 * r3: ptr to board info data
1542 * r5: console device
1543 * r6: boot args string
1545 (*loader
)(gd
->bd
, os_hdr
, consdev
, cmdline
);
1549 #endif /* CONFIG_BOOTM_NETBSD*/
1551 #ifdef CONFIG_LYNXKDI
1552 static int do_bootm_lynxkdi(int flag
, int argc
, char * const argv
[],
1553 bootm_headers_t
*images
)
1555 image_header_t
*hdr
= &images
->legacy_hdr_os_copy
;
1557 if (flag
& BOOTM_STATE_OS_PREP
)
1559 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1562 #if defined(CONFIG_FIT)
1563 if (!images
->legacy_hdr_valid
) {
1564 fit_unsupported_reset("Lynx");
1569 lynxkdi_boot((image_header_t
*)hdr
);
1573 #endif /* CONFIG_LYNXKDI */
1575 #ifdef CONFIG_BOOTM_RTEMS
1576 static int do_bootm_rtems(int flag
, int argc
, char * const argv
[],
1577 bootm_headers_t
*images
)
1579 void (*entry_point
)(bd_t
*);
1581 if (flag
& BOOTM_STATE_OS_PREP
)
1583 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1586 #if defined(CONFIG_FIT)
1587 if (!images
->legacy_hdr_valid
) {
1588 fit_unsupported_reset("RTEMS");
1593 entry_point
= (void (*)(bd_t
*))images
->ep
;
1595 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1596 (ulong
)entry_point
);
1598 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1602 * r3: ptr to board info data
1604 (*entry_point
)(gd
->bd
);
1608 #endif /* CONFIG_BOOTM_RTEMS */
1610 #if defined(CONFIG_BOOTM_OSE)
1611 static int do_bootm_ose(int flag
, int argc
, char * const argv
[],
1612 bootm_headers_t
*images
)
1614 void (*entry_point
)(void);
1616 if (flag
& BOOTM_STATE_OS_PREP
)
1618 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1621 #if defined(CONFIG_FIT)
1622 if (!images
->legacy_hdr_valid
) {
1623 fit_unsupported_reset("OSE");
1628 entry_point
= (void (*)(void))images
->ep
;
1630 printf("## Transferring control to OSE (at address %08lx) ...\n",
1631 (ulong
)entry_point
);
1633 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1643 #endif /* CONFIG_BOOTM_OSE */
1645 #if defined(CONFIG_BOOTM_PLAN9)
1646 static int do_bootm_plan9(int flag
, int argc
, char * const argv
[],
1647 bootm_headers_t
*images
)
1649 void (*entry_point
)(void);
1652 if (flag
& BOOTM_STATE_OS_PREP
)
1654 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1657 #if defined(CONFIG_FIT)
1658 if (!images
->legacy_hdr_valid
) {
1659 fit_unsupported_reset("Plan 9");
1664 /* See README.plan9 */
1665 s
= getenv("confaddr");
1667 char *confaddr
= (char *)simple_strtoul(s
, NULL
, 16);
1670 copy_args(confaddr
, argc
, argv
, '\n');
1672 s
= getenv("bootargs");
1674 strcpy(confaddr
, s
);
1678 entry_point
= (void (*)(void))images
->ep
;
1680 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1681 (ulong
)entry_point
);
1683 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1686 * Plan 9 Parameters:
1693 #endif /* CONFIG_BOOTM_PLAN9 */
1695 #if defined(CONFIG_CMD_ELF)
1696 static int do_bootm_vxworks(int flag
, int argc
, char * const argv
[],
1697 bootm_headers_t
*images
)
1701 if (flag
& BOOTM_STATE_OS_PREP
)
1703 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1706 #if defined(CONFIG_FIT)
1707 if (!images
->legacy_hdr_valid
) {
1708 fit_unsupported_reset("VxWorks");
1713 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
1714 setenv("loadaddr", str
);
1715 do_bootvx(NULL
, 0, 0, NULL
);
1720 static int do_bootm_qnxelf(int flag
, int argc
, char * const argv
[],
1721 bootm_headers_t
*images
)
1723 char *local_args
[2];
1726 if (flag
& BOOTM_STATE_OS_PREP
)
1728 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1731 #if defined(CONFIG_FIT)
1732 if (!images
->legacy_hdr_valid
) {
1733 fit_unsupported_reset("QNX");
1738 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
1739 local_args
[0] = argv
[0];
1740 local_args
[1] = str
; /* and provide it via the arguments */
1741 do_bootelf(NULL
, 0, 2, local_args
);
1747 #ifdef CONFIG_INTEGRITY
1748 static int do_bootm_integrity(int flag
, int argc
, char * const argv
[],
1749 bootm_headers_t
*images
)
1751 void (*entry_point
)(void);
1753 if (flag
& BOOTM_STATE_OS_PREP
)
1755 if ((flag
!= 0) && (flag
!= BOOTM_STATE_OS_GO
))
1758 #if defined(CONFIG_FIT)
1759 if (!images
->legacy_hdr_valid
) {
1760 fit_unsupported_reset("INTEGRITY");
1765 entry_point
= (void (*)(void))images
->ep
;
1767 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1768 (ulong
)entry_point
);
1770 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1773 * INTEGRITY Parameters:
1782 #ifdef CONFIG_CMD_BOOTZ
1784 int __weak
bootz_setup(ulong image
, ulong
*start
, ulong
*end
)
1786 /* Please define bootz_setup() for your platform */
1788 puts("Your platform's zImage format isn't supported yet!\n");
1793 * zImage booting support
1795 static int bootz_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
1796 char * const argv
[], bootm_headers_t
*images
)
1799 ulong zi_start
, zi_end
;
1801 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
, BOOTM_STATE_START
,
1804 /* Setup Linux kernel zImage entry point */
1806 images
->ep
= load_addr
;
1807 debug("* kernel: default image load address = 0x%08lx\n",
1810 images
->ep
= simple_strtoul(argv
[0], NULL
, 16);
1811 debug("* kernel: cmdline image address = 0x%08lx\n",
1815 ret
= bootz_setup(images
->ep
, &zi_start
, &zi_end
);
1819 lmb_reserve(&images
->lmb
, images
->ep
, zi_end
- zi_start
);
1822 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1823 * have a header that provide this informaiton.
1825 if (bootm_find_ramdisk(flag
, argc
, argv
))
1828 #if defined(CONFIG_OF_LIBFDT)
1829 if (bootm_find_fdt(flag
, argc
, argv
))
1836 int do_bootz(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1840 /* Consume 'bootz' */
1843 if (bootz_start(cmdtp
, flag
, argc
, argv
, &images
))
1847 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1848 * disable interrupts ourselves
1850 bootm_disable_interrupts();
1852 images
.os
.os
= IH_OS_LINUX
;
1853 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
,
1854 BOOTM_STATE_OS_PREP
| BOOTM_STATE_OS_FAKE_GO
|
1861 #ifdef CONFIG_SYS_LONGHELP
1862 static char bootz_help_text
[] =
1863 "[addr [initrd[:size]] [fdt]]\n"
1864 " - boot Linux zImage stored in memory\n"
1865 "\tThe argument 'initrd' is optional and specifies the address\n"
1866 "\tof the initrd in memory. The optional argument ':size' allows\n"
1867 "\tspecifying the size of RAW initrd.\n"
1868 #if defined(CONFIG_OF_LIBFDT)
1869 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1870 "\ta third argument is required which is the address of the\n"
1871 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1872 "\tuse a '-' for the second argument. If you do not pass a third\n"
1873 "\ta bd_info struct will be passed instead\n"
1879 bootz
, CONFIG_SYS_MAXARGS
, 1, do_bootz
,
1880 "boot Linux zImage image from memory", bootz_help_text
1882 #endif /* CONFIG_CMD_BOOTZ */