2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <bootstage.h>
13 #include <fdt_support.h>
18 #include <linux/lzo.h>
19 #include <lzma/LzmaTypes.h>
20 #include <lzma/LzmaDec.h>
21 #include <lzma/LzmaTools.h>
22 #if defined(CONFIG_CMD_USB)
33 #ifndef CONFIG_SYS_BOOTM_LEN
34 /* use 8MByte as default max gunzip size */
35 #define CONFIG_SYS_BOOTM_LEN 0x800000
38 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
42 DECLARE_GLOBAL_DATA_PTR
;
44 static const void *boot_get_kernel(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
45 char * const argv
[], bootm_headers_t
*images
,
46 ulong
*os_data
, ulong
*os_len
);
49 static void boot_start_lmb(bootm_headers_t
*images
)
54 lmb_init(&images
->lmb
);
56 mem_start
= getenv_bootm_low();
57 mem_size
= getenv_bootm_size();
59 lmb_add(&images
->lmb
, (phys_addr_t
)mem_start
, mem_size
);
61 arch_lmb_reserve(&images
->lmb
);
62 board_lmb_reserve(&images
->lmb
);
65 #define lmb_reserve(lmb, base, size)
66 static inline void boot_start_lmb(bootm_headers_t
*images
) { }
69 static int bootm_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
72 memset((void *)&images
, 0, sizeof(images
));
73 images
.verify
= getenv_yesno("verify");
75 boot_start_lmb(&images
);
77 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START
, "bootm_start");
78 images
.state
= BOOTM_STATE_START
;
83 static int bootm_find_os(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
87 bool ep_found
= false;
90 /* get kernel image header, start address and length */
91 os_hdr
= boot_get_kernel(cmdtp
, flag
, argc
, argv
,
92 &images
, &images
.os
.image_start
, &images
.os
.image_len
);
93 if (images
.os
.image_len
== 0) {
94 puts("ERROR: can't get kernel image!\n");
98 /* get image parameters */
99 switch (genimg_get_format(os_hdr
)) {
100 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
101 case IMAGE_FORMAT_LEGACY
:
102 images
.os
.type
= image_get_type(os_hdr
);
103 images
.os
.comp
= image_get_comp(os_hdr
);
104 images
.os
.os
= image_get_os(os_hdr
);
106 images
.os
.end
= image_get_image_end(os_hdr
);
107 images
.os
.load
= image_get_load(os_hdr
);
108 images
.os
.arch
= image_get_arch(os_hdr
);
111 #if defined(CONFIG_FIT)
112 case IMAGE_FORMAT_FIT
:
113 if (fit_image_get_type(images
.fit_hdr_os
,
114 images
.fit_noffset_os
,
116 puts("Can't get image type!\n");
117 bootstage_error(BOOTSTAGE_ID_FIT_TYPE
);
121 if (fit_image_get_comp(images
.fit_hdr_os
,
122 images
.fit_noffset_os
,
124 puts("Can't get image compression!\n");
125 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION
);
129 if (fit_image_get_os(images
.fit_hdr_os
, images
.fit_noffset_os
,
131 puts("Can't get image OS!\n");
132 bootstage_error(BOOTSTAGE_ID_FIT_OS
);
136 if (fit_image_get_arch(images
.fit_hdr_os
,
137 images
.fit_noffset_os
,
139 puts("Can't get image ARCH!\n");
143 images
.os
.end
= fit_get_end(images
.fit_hdr_os
);
145 if (fit_image_get_load(images
.fit_hdr_os
, images
.fit_noffset_os
,
147 puts("Can't get image load address!\n");
148 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR
);
153 #ifdef CONFIG_ANDROID_BOOT_IMAGE
154 case IMAGE_FORMAT_ANDROID
:
155 images
.os
.type
= IH_TYPE_KERNEL
;
156 images
.os
.comp
= IH_COMP_NONE
;
157 images
.os
.os
= IH_OS_LINUX
;
159 images
.os
.end
= android_image_get_end(os_hdr
);
160 images
.os
.load
= android_image_get_kload(os_hdr
);
161 images
.ep
= images
.os
.load
;
166 puts("ERROR: unknown image format type!\n");
170 /* If we have a valid setup.bin, we will use that for entry (x86) */
171 if (images
.os
.arch
== IH_ARCH_I386
||
172 images
.os
.arch
== IH_ARCH_X86_64
) {
175 ret
= boot_get_setup(&images
, IH_ARCH_I386
, &images
.ep
, &len
);
176 if (ret
< 0 && ret
!= -ENOENT
) {
177 puts("Could not find a valid setup.bin for x86\n");
180 /* Kernel entry point is the setup.bin */
181 } else if (images
.legacy_hdr_valid
) {
182 images
.ep
= image_get_ep(&images
.legacy_hdr_os_copy
);
183 #if defined(CONFIG_FIT)
184 } else if (images
.fit_uname_os
) {
187 ret
= fit_image_get_entry(images
.fit_hdr_os
,
188 images
.fit_noffset_os
, &images
.ep
);
190 puts("Can't get entry point property!\n");
194 } else if (!ep_found
) {
195 puts("Could not find kernel entry point!\n");
199 if (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) {
200 images
.os
.load
= images
.os
.image_start
;
201 images
.ep
+= images
.os
.load
;
204 images
.os
.start
= (ulong
)os_hdr
;
210 * bootm_find_images - wrapper to find and locate various images
211 * @flag: Ignored Argument
212 * @argc: command argument count
213 * @argv: command argument list
215 * boot_find_images() will attempt to load an available ramdisk,
216 * flattened device tree, as well as specifically marked
217 * "loadable" images (loadables are FIT only)
219 * Note: bootm_find_images will skip an image if it is not found
222 * 0, if all existing images were loaded correctly
223 * 1, if an image is found but corrupted, or invalid
225 int bootm_find_images(int flag
, int argc
, char * const argv
[])
230 ret
= boot_get_ramdisk(argc
, argv
, &images
, IH_INITRD_ARCH
,
231 &images
.rd_start
, &images
.rd_end
);
233 puts("Ramdisk image is corrupt or invalid\n");
237 #if defined(CONFIG_OF_LIBFDT)
238 /* find flattened device tree */
239 ret
= boot_get_fdt(flag
, argc
, argv
, IH_ARCH_DEFAULT
, &images
,
240 &images
.ft_addr
, &images
.ft_len
);
242 puts("Could not find a valid device tree\n");
245 set_working_fdt_addr((ulong
)images
.ft_addr
);
248 #if defined(CONFIG_FIT)
249 /* find all of the loadables */
250 ret
= boot_get_loadable(argc
, argv
, &images
, IH_ARCH_DEFAULT
,
253 printf("Loadable(s) is corrupt or invalid\n");
261 static int bootm_find_other(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
264 if (((images
.os
.type
== IH_TYPE_KERNEL
) ||
265 (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) ||
266 (images
.os
.type
== IH_TYPE_MULTI
)) &&
267 (images
.os
.os
== IH_OS_LINUX
||
268 images
.os
.os
== IH_OS_VXWORKS
))
269 return bootm_find_images(flag
, argc
, argv
);
273 #endif /* USE_HOSTC */
276 * print_decomp_msg() - Print a suitable decompression/loading message
278 * @type: OS type (IH_OS_...)
279 * @comp_type: Compression type being used (IH_COMP_...)
280 * @is_xip: true if the load address matches the image start
282 static void print_decomp_msg(int comp_type
, int type
, bool is_xip
)
284 const char *name
= genimg_get_type_name(type
);
286 if (comp_type
== IH_COMP_NONE
)
287 printf(" %s %s ... ", is_xip
? "XIP" : "Loading", name
);
289 printf(" Uncompressing %s ... ", name
);
293 * handle_decomp_error() - display a decompression error
295 * This function tries to produce a useful message. In the case where the
296 * uncompressed size is the same as the available space, we can assume that
297 * the image is too large for the buffer.
299 * @comp_type: Compression type being used (IH_COMP_...)
300 * @uncomp_size: Number of bytes uncompressed
301 * @unc_len: Amount of space available for decompression
302 * @ret: Error code to report
303 * @return BOOTM_ERR_RESET, indicating that the board must be reset
305 static int handle_decomp_error(int comp_type
, size_t uncomp_size
,
306 size_t unc_len
, int ret
)
308 const char *name
= genimg_get_comp_name(comp_type
);
310 if (uncomp_size
>= unc_len
)
311 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
313 printf("%s: uncompress error %d\n", name
, ret
);
316 * The decompression routines are now safe, so will not write beyond
317 * their bounds. Probably it is not necessary to reset, but maintain
318 * the current behaviour for now.
320 printf("Must RESET board to recover\n");
322 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
325 return BOOTM_ERR_RESET
;
328 int bootm_decomp_image(int comp
, ulong load
, ulong image_start
, int type
,
329 void *load_buf
, void *image_buf
, ulong image_len
,
330 uint unc_len
, ulong
*load_end
)
335 print_decomp_msg(comp
, type
, load
== image_start
);
338 * Load the image to the right place, decompressing if needed. After
339 * this, image_len will be set to the number of uncompressed bytes
340 * loaded, ret will be non-zero on error.
344 if (load
== image_start
)
346 if (image_len
<= unc_len
)
347 memmove_wd(load_buf
, image_buf
, image_len
, CHUNKSZ
);
353 ret
= gunzip(load_buf
, unc_len
, image_buf
, &image_len
);
356 #endif /* CONFIG_GZIP */
358 case IH_COMP_BZIP2
: {
362 * If we've got less than 4 MB of malloc() space,
363 * use slower decompression algorithm which requires
364 * at most 2300 KB of memory.
366 ret
= BZ2_bzBuffToBuffDecompress(load_buf
, &size
,
367 image_buf
, image_len
,
368 CONFIG_SYS_MALLOC_LEN
< (4096 * 1024), 0);
372 #endif /* CONFIG_BZIP2 */
375 SizeT lzma_len
= unc_len
;
377 ret
= lzmaBuffToBuffDecompress(load_buf
, &lzma_len
,
378 image_buf
, image_len
);
379 image_len
= lzma_len
;
382 #endif /* CONFIG_LZMA */
385 size_t size
= unc_len
;
387 ret
= lzop_decompress(image_buf
, image_len
, load_buf
, &size
);
391 #endif /* CONFIG_LZO */
393 printf("Unimplemented compression type %d\n", comp
);
394 return BOOTM_ERR_UNIMPLEMENTED
;
398 return handle_decomp_error(comp
, image_len
, unc_len
, ret
);
399 *load_end
= load
+ image_len
;
407 static int bootm_load_os(bootm_headers_t
*images
, unsigned long *load_end
,
410 image_info_t os
= images
->os
;
411 ulong load
= os
.load
;
412 ulong blob_start
= os
.start
;
413 ulong blob_end
= os
.end
;
414 ulong image_start
= os
.image_start
;
415 ulong image_len
= os
.image_len
;
417 void *load_buf
, *image_buf
;
420 load_buf
= map_sysmem(load
, 0);
421 image_buf
= map_sysmem(os
.image_start
, image_len
);
422 err
= bootm_decomp_image(os
.comp
, load
, os
.image_start
, os
.type
,
423 load_buf
, image_buf
, image_len
,
424 CONFIG_SYS_BOOTM_LEN
, load_end
);
426 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
429 flush_cache(load
, (*load_end
- load
) * sizeof(ulong
));
431 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load
, *load_end
);
432 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED
);
434 no_overlap
= (os
.comp
== IH_COMP_NONE
&& load
== image_start
);
436 if (!no_overlap
&& (load
< blob_end
) && (*load_end
> blob_start
)) {
437 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
438 blob_start
, blob_end
);
439 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load
,
442 /* Check what type of image this is. */
443 if (images
->legacy_hdr_valid
) {
444 if (image_get_type(&images
->legacy_hdr_os_copy
)
446 puts("WARNING: legacy format multi component image overwritten\n");
447 return BOOTM_ERR_OVERLAP
;
449 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
450 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN
);
451 return BOOTM_ERR_RESET
;
459 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
461 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
464 ulong
bootm_disable_interrupts(void)
469 * We have reached the point of no return: we are going to
470 * overwrite all exception vector code, so we cannot easily
471 * recover from any failures any more...
473 iflag
= disable_interrupts();
474 #ifdef CONFIG_NETCONSOLE
475 /* Stop the ethernet stack if NetConsole could have left it up */
477 eth_unregister(eth_get_dev());
480 #if defined(CONFIG_CMD_USB)
482 * turn off USB to prevent the host controller from writing to the
483 * SDRAM while Linux is booting. This could happen (at least for OHCI
484 * controller), because the HCCA (Host Controller Communication Area)
485 * lies within the SDRAM and the host controller writes continously to
486 * this area (as busmaster!). The HccaFrameNumber is for example
487 * updated every 1 ms within the HCCA structure in SDRAM! For more
488 * details see the OpenHCI specification.
495 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
497 #define CONSOLE_ARG "console="
498 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
500 static void fixup_silent_linux(void)
504 char *cmdline
= getenv("bootargs");
508 * Only fix cmdline when requested. The environment variable can be:
510 * no - we never fixup
511 * yes - we always fixup
512 * unset - we rely on the console silent flag
514 want_silent
= getenv_yesno("silent_linux");
515 if (want_silent
== 0)
517 else if (want_silent
== -1 && !(gd
->flags
& GD_FLG_SILENT
))
520 debug("before silent fix-up: %s\n", cmdline
);
521 if (cmdline
&& (cmdline
[0] != '\0')) {
522 char *start
= strstr(cmdline
, CONSOLE_ARG
);
524 /* Allocate space for maximum possible new command line */
525 buf
= malloc(strlen(cmdline
) + 1 + CONSOLE_ARG_LEN
+ 1);
527 debug("%s: out of memory\n", __func__
);
532 char *end
= strchr(start
, ' ');
533 int num_start_bytes
= start
- cmdline
+ CONSOLE_ARG_LEN
;
535 strncpy(buf
, cmdline
, num_start_bytes
);
537 strcpy(buf
+ num_start_bytes
, end
);
539 buf
[num_start_bytes
] = '\0';
541 sprintf(buf
, "%s %s", cmdline
, CONSOLE_ARG
);
546 env_val
= CONSOLE_ARG
;
549 setenv("bootargs", env_val
);
550 debug("after silent fix-up: %s\n", env_val
);
553 #endif /* CONFIG_SILENT_CONSOLE */
556 * Execute selected states of the bootm command.
558 * Note the arguments to this state must be the first argument, Any 'bootm'
559 * or sub-command arguments must have already been taken.
561 * Note that if states contains more than one flag it MUST contain
562 * BOOTM_STATE_START, since this handles and consumes the command line args.
564 * Also note that aside from boot_os_fn functions and bootm_load_os no other
565 * functions we store the return value of in 'ret' may use a negative return
566 * value, without special handling.
568 * @param cmdtp Pointer to bootm command table entry
569 * @param flag Command flags (CMD_FLAG_...)
570 * @param argc Number of subcommand arguments (0 = no arguments)
571 * @param argv Arguments
572 * @param states Mask containing states to run (BOOTM_STATE_...)
573 * @param images Image header information
574 * @param boot_progress 1 to show boot progress, 0 to not do this
575 * @return 0 if ok, something else on error. Some errors will cause this
576 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
577 * then the intent is to boot an OS, so this function will not return
578 * unless the image type is standalone.
580 int do_bootm_states(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[],
581 int states
, bootm_headers_t
*images
, int boot_progress
)
585 int ret
= 0, need_boot_fn
;
587 images
->state
|= states
;
590 * Work through the states and see how far we get. We stop on
593 if (states
& BOOTM_STATE_START
)
594 ret
= bootm_start(cmdtp
, flag
, argc
, argv
);
596 if (!ret
&& (states
& BOOTM_STATE_FINDOS
))
597 ret
= bootm_find_os(cmdtp
, flag
, argc
, argv
);
599 if (!ret
&& (states
& BOOTM_STATE_FINDOTHER
)) {
600 ret
= bootm_find_other(cmdtp
, flag
, argc
, argv
);
601 argc
= 0; /* consume the args */
605 if (!ret
&& (states
& BOOTM_STATE_LOADOS
)) {
608 iflag
= bootm_disable_interrupts();
609 ret
= bootm_load_os(images
, &load_end
, 0);
611 lmb_reserve(&images
->lmb
, images
->os
.load
,
612 (load_end
- images
->os
.load
));
613 else if (ret
&& ret
!= BOOTM_ERR_OVERLAP
)
615 else if (ret
== BOOTM_ERR_OVERLAP
)
617 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
618 if (images
->os
.os
== IH_OS_LINUX
)
619 fixup_silent_linux();
623 /* Relocate the ramdisk */
624 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
625 if (!ret
&& (states
& BOOTM_STATE_RAMDISK
)) {
626 ulong rd_len
= images
->rd_end
- images
->rd_start
;
628 ret
= boot_ramdisk_high(&images
->lmb
, images
->rd_start
,
629 rd_len
, &images
->initrd_start
, &images
->initrd_end
);
631 setenv_hex("initrd_start", images
->initrd_start
);
632 setenv_hex("initrd_end", images
->initrd_end
);
636 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
637 if (!ret
&& (states
& BOOTM_STATE_FDT
)) {
638 boot_fdt_add_mem_rsv_regions(&images
->lmb
, images
->ft_addr
);
639 ret
= boot_relocate_fdt(&images
->lmb
, &images
->ft_addr
,
644 /* From now on, we need the OS boot function */
647 boot_fn
= bootm_os_get_boot_func(images
->os
.os
);
648 need_boot_fn
= states
& (BOOTM_STATE_OS_CMDLINE
|
649 BOOTM_STATE_OS_BD_T
| BOOTM_STATE_OS_PREP
|
650 BOOTM_STATE_OS_FAKE_GO
| BOOTM_STATE_OS_GO
);
651 if (boot_fn
== NULL
&& need_boot_fn
) {
654 printf("ERROR: booting os '%s' (%d) is not supported\n",
655 genimg_get_os_name(images
->os
.os
), images
->os
.os
);
656 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS
);
660 /* Call various other states that are not generally used */
661 if (!ret
&& (states
& BOOTM_STATE_OS_CMDLINE
))
662 ret
= boot_fn(BOOTM_STATE_OS_CMDLINE
, argc
, argv
, images
);
663 if (!ret
&& (states
& BOOTM_STATE_OS_BD_T
))
664 ret
= boot_fn(BOOTM_STATE_OS_BD_T
, argc
, argv
, images
);
665 if (!ret
&& (states
& BOOTM_STATE_OS_PREP
))
666 ret
= boot_fn(BOOTM_STATE_OS_PREP
, argc
, argv
, images
);
669 /* Pretend to run the OS, then run a user command */
670 if (!ret
&& (states
& BOOTM_STATE_OS_FAKE_GO
)) {
671 char *cmd_list
= getenv("fakegocmd");
673 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_FAKE_GO
,
675 if (!ret
&& cmd_list
)
676 ret
= run_command_list(cmd_list
, -1, flag
);
680 /* Check for unsupported subcommand. */
682 puts("subcommand not supported\n");
686 /* Now run the OS! We hope this doesn't return */
687 if (!ret
&& (states
& BOOTM_STATE_OS_GO
))
688 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_GO
,
691 /* Deal with any fallout */
696 if (ret
== BOOTM_ERR_UNIMPLEMENTED
)
697 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL
);
698 else if (ret
== BOOTM_ERR_RESET
)
699 do_reset(cmdtp
, flag
, argc
, argv
);
704 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
706 * image_get_kernel - verify legacy format kernel image
707 * @img_addr: in RAM address of the legacy format image to be verified
708 * @verify: data CRC verification flag
710 * image_get_kernel() verifies legacy image integrity and returns pointer to
711 * legacy image header if image verification was completed successfully.
714 * pointer to a legacy image header if valid image was found
715 * otherwise return NULL
717 static image_header_t
*image_get_kernel(ulong img_addr
, int verify
)
719 image_header_t
*hdr
= (image_header_t
*)img_addr
;
721 if (!image_check_magic(hdr
)) {
722 puts("Bad Magic Number\n");
723 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC
);
726 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER
);
728 if (!image_check_hcrc(hdr
)) {
729 puts("Bad Header Checksum\n");
730 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER
);
734 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM
);
735 image_print_contents(hdr
);
738 puts(" Verifying Checksum ... ");
739 if (!image_check_dcrc(hdr
)) {
740 printf("Bad Data CRC\n");
741 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM
);
746 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH
);
748 if (!image_check_target_arch(hdr
)) {
749 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr
));
750 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH
);
758 * boot_get_kernel - find kernel image
759 * @os_data: pointer to a ulong variable, will hold os data start address
760 * @os_len: pointer to a ulong variable, will hold os data length
762 * boot_get_kernel() tries to find a kernel image, verifies its integrity
763 * and locates kernel data.
766 * pointer to image header if valid image was found, plus kernel start
767 * address and length, otherwise NULL
769 static const void *boot_get_kernel(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
770 char * const argv
[], bootm_headers_t
*images
,
771 ulong
*os_data
, ulong
*os_len
)
773 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
778 const char *fit_uname_config
= NULL
;
779 const char *fit_uname_kernel
= NULL
;
780 #if defined(CONFIG_FIT)
784 img_addr
= genimg_get_kernel_addr_fit(argc
< 1 ? NULL
: argv
[0],
788 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC
);
790 /* copy from dataflash if needed */
791 img_addr
= genimg_get_image(img_addr
);
793 /* check image type, for FIT images get FIT kernel node */
794 *os_data
= *os_len
= 0;
795 buf
= map_sysmem(img_addr
, 0);
796 switch (genimg_get_format(buf
)) {
797 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
798 case IMAGE_FORMAT_LEGACY
:
799 printf("## Booting kernel from Legacy Image at %08lx ...\n",
801 hdr
= image_get_kernel(img_addr
, images
->verify
);
804 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
806 /* get os_data and os_len */
807 switch (image_get_type(hdr
)) {
809 case IH_TYPE_KERNEL_NOLOAD
:
810 *os_data
= image_get_data(hdr
);
811 *os_len
= image_get_data_size(hdr
);
814 image_multi_getimg(hdr
, 0, os_data
, os_len
);
816 case IH_TYPE_STANDALONE
:
817 *os_data
= image_get_data(hdr
);
818 *os_len
= image_get_data_size(hdr
);
821 printf("Wrong Image Type for %s command\n",
823 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
828 * copy image header to allow for image overwrites during
829 * kernel decompression.
831 memmove(&images
->legacy_hdr_os_copy
, hdr
,
832 sizeof(image_header_t
));
834 /* save pointer to image header */
835 images
->legacy_hdr_os
= hdr
;
837 images
->legacy_hdr_valid
= 1;
838 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE
);
841 #if defined(CONFIG_FIT)
842 case IMAGE_FORMAT_FIT
:
843 os_noffset
= fit_image_load(images
, img_addr
,
844 &fit_uname_kernel
, &fit_uname_config
,
845 IH_ARCH_DEFAULT
, IH_TYPE_KERNEL
,
846 BOOTSTAGE_ID_FIT_KERNEL_START
,
847 FIT_LOAD_IGNORED
, os_data
, os_len
);
851 images
->fit_hdr_os
= map_sysmem(img_addr
, 0);
852 images
->fit_uname_os
= fit_uname_kernel
;
853 images
->fit_uname_cfg
= fit_uname_config
;
854 images
->fit_noffset_os
= os_noffset
;
857 #ifdef CONFIG_ANDROID_BOOT_IMAGE
858 case IMAGE_FORMAT_ANDROID
:
859 printf("## Booting Android Image at 0x%08lx ...\n", img_addr
);
860 if (android_image_get_kernel(buf
, images
->verify
,
866 printf("Wrong Image Format for %s command\n", cmdtp
->name
);
867 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO
);
871 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
872 *os_data
, *os_len
, *os_len
);
876 #else /* USE_HOSTCC */
878 void memmove_wd(void *to
, void *from
, size_t len
, ulong chunksz
)
880 memmove(to
, from
, len
);
883 static int bootm_host_load_image(const void *fit
, int req_image_type
)
885 const char *fit_uname_config
= NULL
;
887 bootm_headers_t images
;
895 memset(&images
, '\0', sizeof(images
));
897 noffset
= fit_image_load(&images
, (ulong
)fit
,
898 NULL
, &fit_uname_config
,
899 IH_ARCH_DEFAULT
, req_image_type
, -1,
900 FIT_LOAD_IGNORED
, &data
, &len
);
903 if (fit_image_get_type(fit
, noffset
, &image_type
)) {
904 puts("Can't get image type!\n");
908 if (fit_image_get_comp(fit
, noffset
, &imape_comp
)) {
909 puts("Can't get image compression!\n");
913 /* Allow the image to expand by a factor of 4, should be safe */
914 load_buf
= malloc((1 << 20) + len
* 4);
915 ret
= bootm_decomp_image(imape_comp
, 0, data
, image_type
, load_buf
,
916 (void *)data
, len
, CONFIG_SYS_BOOTM_LEN
,
920 if (ret
&& ret
!= BOOTM_ERR_UNIMPLEMENTED
)
926 int bootm_host_load_images(const void *fit
, int cfg_noffset
)
928 static uint8_t image_types
[] = {
936 for (i
= 0; i
< ARRAY_SIZE(image_types
); i
++) {
939 ret
= bootm_host_load_image(fit
, image_types
[i
]);
940 if (!err
&& ret
&& ret
!= -ENOENT
)
944 /* Return the first error we found */
948 #endif /* ndef USE_HOSTCC */