1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
14 #include <fdt_support.h>
21 #include <asm/cache.h>
22 #include <asm/global_data.h>
24 #include <linux/sizes.h>
25 #if defined(CONFIG_CMD_USB)
36 #define MAX_CMDLINE_SIZE SZ_4K
38 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
42 DECLARE_GLOBAL_DATA_PTR
;
44 struct bootm_headers images
; /* pointers to os/initrd/fdt images */
46 static const void *boot_get_kernel(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
47 char *const argv
[], struct bootm_headers
*images
,
48 ulong
*os_data
, ulong
*os_len
);
50 __weak
void board_quiesce_devices(void)
55 static void boot_start_lmb(struct bootm_headers
*images
)
60 mem_start
= env_get_bootm_low();
61 mem_size
= env_get_bootm_size();
63 lmb_init_and_reserve_range(&images
->lmb
, (phys_addr_t
)mem_start
,
67 #define lmb_reserve(lmb, base, size)
68 static inline void boot_start_lmb(struct bootm_headers
*images
) { }
71 static int bootm_start(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
74 memset((void *)&images
, 0, sizeof(images
));
75 images
.verify
= env_get_yesno("verify");
77 boot_start_lmb(&images
);
79 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START
, "bootm_start");
80 images
.state
= BOOTM_STATE_START
;
85 static ulong
bootm_data_addr(int argc
, char *const argv
[])
90 addr
= simple_strtoul(argv
[0], NULL
, 16);
92 addr
= image_load_addr
;
97 static int bootm_pre_load(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
100 ulong data_addr
= bootm_data_addr(argc
, argv
);
103 if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD
))
104 ret
= image_pre_load(data_addr
);
107 ret
= CMD_RET_FAILURE
;
112 static int bootm_find_os(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
116 bool ep_found
= false;
119 /* get kernel image header, start address and length */
120 os_hdr
= boot_get_kernel(cmdtp
, flag
, argc
, argv
,
121 &images
, &images
.os
.image_start
, &images
.os
.image_len
);
122 if (images
.os
.image_len
== 0) {
123 puts("ERROR: can't get kernel image!\n");
127 /* get image parameters */
128 switch (genimg_get_format(os_hdr
)) {
129 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
130 case IMAGE_FORMAT_LEGACY
:
131 images
.os
.type
= image_get_type(os_hdr
);
132 images
.os
.comp
= image_get_comp(os_hdr
);
133 images
.os
.os
= image_get_os(os_hdr
);
135 images
.os
.end
= image_get_image_end(os_hdr
);
136 images
.os
.load
= image_get_load(os_hdr
);
137 images
.os
.arch
= image_get_arch(os_hdr
);
140 #if CONFIG_IS_ENABLED(FIT)
141 case IMAGE_FORMAT_FIT
:
142 if (fit_image_get_type(images
.fit_hdr_os
,
143 images
.fit_noffset_os
,
145 puts("Can't get image type!\n");
146 bootstage_error(BOOTSTAGE_ID_FIT_TYPE
);
150 if (fit_image_get_comp(images
.fit_hdr_os
,
151 images
.fit_noffset_os
,
153 puts("Can't get image compression!\n");
154 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION
);
158 if (fit_image_get_os(images
.fit_hdr_os
, images
.fit_noffset_os
,
160 puts("Can't get image OS!\n");
161 bootstage_error(BOOTSTAGE_ID_FIT_OS
);
165 if (fit_image_get_arch(images
.fit_hdr_os
,
166 images
.fit_noffset_os
,
168 puts("Can't get image ARCH!\n");
172 images
.os
.end
= fit_get_end(images
.fit_hdr_os
);
174 if (fit_image_get_load(images
.fit_hdr_os
, images
.fit_noffset_os
,
176 puts("Can't get image load address!\n");
177 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR
);
182 #ifdef CONFIG_ANDROID_BOOT_IMAGE
183 case IMAGE_FORMAT_ANDROID
:
184 images
.os
.type
= IH_TYPE_KERNEL
;
185 images
.os
.comp
= android_image_get_kcomp(os_hdr
);
186 images
.os
.os
= IH_OS_LINUX
;
188 images
.os
.end
= android_image_get_end(os_hdr
);
189 images
.os
.load
= android_image_get_kload(os_hdr
);
190 images
.ep
= images
.os
.load
;
195 puts("ERROR: unknown image format type!\n");
199 /* If we have a valid setup.bin, we will use that for entry (x86) */
200 if (images
.os
.arch
== IH_ARCH_I386
||
201 images
.os
.arch
== IH_ARCH_X86_64
) {
204 ret
= boot_get_setup(&images
, IH_ARCH_I386
, &images
.ep
, &len
);
205 if (ret
< 0 && ret
!= -ENOENT
) {
206 puts("Could not find a valid setup.bin for x86\n");
209 /* Kernel entry point is the setup.bin */
210 } else if (images
.legacy_hdr_valid
) {
211 images
.ep
= image_get_ep(&images
.legacy_hdr_os_copy
);
212 #if CONFIG_IS_ENABLED(FIT)
213 } else if (images
.fit_uname_os
) {
216 ret
= fit_image_get_entry(images
.fit_hdr_os
,
217 images
.fit_noffset_os
, &images
.ep
);
219 puts("Can't get entry point property!\n");
223 } else if (!ep_found
) {
224 puts("Could not find kernel entry point!\n");
228 if (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) {
229 if (IS_ENABLED(CONFIG_CMD_BOOTI
) &&
230 images
.os
.arch
== IH_ARCH_ARM64
) {
234 ret
= booti_setup(images
.os
.image_start
, &image_addr
,
239 images
.os
.type
= IH_TYPE_KERNEL
;
240 images
.os
.load
= image_addr
;
241 images
.ep
= image_addr
;
243 images
.os
.load
= images
.os
.image_start
;
244 images
.ep
+= images
.os
.image_start
;
248 images
.os
.start
= map_to_sysmem(os_hdr
);
254 * bootm_find_images - wrapper to find and locate various images
255 * @flag: Ignored Argument
256 * @argc: command argument count
257 * @argv: command argument list
258 * @start: OS image start address
259 * @size: OS image size
261 * boot_find_images() will attempt to load an available ramdisk,
262 * flattened device tree, as well as specifically marked
263 * "loadable" images (loadables are FIT only)
265 * Note: bootm_find_images will skip an image if it is not found
268 * 0, if all existing images were loaded correctly
269 * 1, if an image is found but corrupted, or invalid
271 int bootm_find_images(int flag
, int argc
, char *const argv
[], ulong start
,
277 ret
= boot_get_ramdisk(argc
, argv
, &images
, IH_INITRD_ARCH
,
278 &images
.rd_start
, &images
.rd_end
);
280 puts("Ramdisk image is corrupt or invalid\n");
284 /* check if ramdisk overlaps OS image */
285 if (images
.rd_start
&& (((ulong
)images
.rd_start
>= start
&&
286 (ulong
)images
.rd_start
< start
+ size
) ||
287 ((ulong
)images
.rd_end
> start
&&
288 (ulong
)images
.rd_end
<= start
+ size
) ||
289 ((ulong
)images
.rd_start
< start
&&
290 (ulong
)images
.rd_end
>= start
+ size
))) {
291 printf("ERROR: RD image overlaps OS image (OS=0x%lx..0x%lx)\n",
292 start
, start
+ size
);
296 #if CONFIG_IS_ENABLED(OF_LIBFDT)
297 /* find flattened device tree */
298 ret
= boot_get_fdt(flag
, argc
, argv
, IH_ARCH_DEFAULT
, &images
,
299 &images
.ft_addr
, &images
.ft_len
);
301 puts("Could not find a valid device tree\n");
305 /* check if FDT overlaps OS image */
306 if (images
.ft_addr
&&
307 (((ulong
)images
.ft_addr
>= start
&&
308 (ulong
)images
.ft_addr
< start
+ size
) ||
309 ((ulong
)images
.ft_addr
+ images
.ft_len
>= start
&&
310 (ulong
)images
.ft_addr
+ images
.ft_len
< start
+ size
))) {
311 printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n",
312 start
, start
+ size
);
316 if (IS_ENABLED(CONFIG_CMD_FDT
))
317 set_working_fdt_addr(map_to_sysmem(images
.ft_addr
));
320 #if CONFIG_IS_ENABLED(FIT)
321 if (IS_ENABLED(CONFIG_FPGA
)) {
322 /* find bitstreams */
323 ret
= boot_get_fpga(argc
, argv
, &images
, IH_ARCH_DEFAULT
,
326 printf("FPGA image is corrupted or invalid\n");
331 /* find all of the loadables */
332 ret
= boot_get_loadable(argc
, argv
, &images
, IH_ARCH_DEFAULT
,
335 printf("Loadable(s) is corrupt or invalid\n");
343 static int bootm_find_other(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
346 if (((images
.os
.type
== IH_TYPE_KERNEL
) ||
347 (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) ||
348 (images
.os
.type
== IH_TYPE_MULTI
)) &&
349 (images
.os
.os
== IH_OS_LINUX
||
350 images
.os
.os
== IH_OS_VXWORKS
))
351 return bootm_find_images(flag
, argc
, argv
, 0, 0);
355 #endif /* USE_HOSTC */
357 #if !defined(USE_HOSTCC) || defined(CONFIG_FIT_SIGNATURE)
359 * handle_decomp_error() - display a decompression error
361 * This function tries to produce a useful message. In the case where the
362 * uncompressed size is the same as the available space, we can assume that
363 * the image is too large for the buffer.
365 * @comp_type: Compression type being used (IH_COMP_...)
366 * @uncomp_size: Number of bytes uncompressed
367 * @buf_size: Number of bytes the decompresion buffer was
368 * @ret: errno error code received from compression library
369 * Return: Appropriate BOOTM_ERR_ error code
371 static int handle_decomp_error(int comp_type
, size_t uncomp_size
,
372 size_t buf_size
, int ret
)
374 const char *name
= genimg_get_comp_name(comp_type
);
376 /* ENOSYS means unimplemented compression type, don't reset. */
378 return BOOTM_ERR_UNIMPLEMENTED
;
380 if (uncomp_size
>= buf_size
)
381 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
383 printf("%s: uncompress error %d\n", name
, ret
);
386 * The decompression routines are now safe, so will not write beyond
387 * their bounds. Probably it is not necessary to reset, but maintain
388 * the current behaviour for now.
390 printf("Must RESET board to recover\n");
392 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
395 return BOOTM_ERR_RESET
;
400 static int bootm_load_os(struct bootm_headers
*images
, int boot_progress
)
402 struct image_info os
= images
->os
;
403 ulong load
= os
.load
;
405 ulong blob_start
= os
.start
;
406 ulong blob_end
= os
.end
;
407 ulong image_start
= os
.image_start
;
408 ulong image_len
= os
.image_len
;
409 ulong flush_start
= ALIGN_DOWN(load
, ARCH_DMA_MINALIGN
);
411 void *load_buf
, *image_buf
;
414 load_buf
= map_sysmem(load
, 0);
415 image_buf
= map_sysmem(os
.image_start
, image_len
);
416 err
= image_decomp(os
.comp
, load
, os
.image_start
, os
.type
,
417 load_buf
, image_buf
, image_len
,
418 CONFIG_SYS_BOOTM_LEN
, &load_end
);
420 err
= handle_decomp_error(os
.comp
, load_end
- load
,
421 CONFIG_SYS_BOOTM_LEN
, err
);
422 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
425 /* We need the decompressed image size in the next steps */
426 images
->os
.image_len
= load_end
- load
;
428 flush_cache(flush_start
, ALIGN(load_end
, ARCH_DMA_MINALIGN
) - flush_start
);
430 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load
, load_end
);
431 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED
);
433 no_overlap
= (os
.comp
== IH_COMP_NONE
&& load
== image_start
);
435 if (!no_overlap
&& load
< blob_end
&& load_end
> blob_start
) {
436 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
437 blob_start
, blob_end
);
438 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load
,
441 /* Check what type of image this is. */
442 if (images
->legacy_hdr_valid
) {
443 if (image_get_type(&images
->legacy_hdr_os_copy
)
445 puts("WARNING: legacy format multi component image overwritten\n");
446 return BOOTM_ERR_OVERLAP
;
448 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
449 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN
);
450 return BOOTM_ERR_RESET
;
454 lmb_reserve(&images
->lmb
, images
->os
.load
, (load_end
-
460 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
462 * Return: interrupt flag (0 if interrupts were disabled, non-zero if they were
465 ulong
bootm_disable_interrupts(void)
470 * We have reached the point of no return: we are going to
471 * overwrite all exception vector code, so we cannot easily
472 * recover from any failures any more...
474 iflag
= disable_interrupts();
475 #ifdef CONFIG_NETCONSOLE
476 /* Stop the ethernet stack if NetConsole could have left it up */
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 #define CONSOLE_ARG "console="
496 #define NULL_CONSOLE (CONSOLE_ARG "ttynull")
497 #define CONSOLE_ARG_SIZE sizeof(NULL_CONSOLE)
500 * fixup_silent_linux() - Handle silencing the linux boot if required
502 * This uses the silent_linux envvar to control whether to add/set a "console="
503 * parameter to the command line
505 * @buf: Buffer containing the string to process
506 * @maxlen: Maximum length of buffer
507 * Return: 0 if OK, -ENOSPC if @maxlen is too small
509 static int fixup_silent_linux(char *buf
, int maxlen
)
516 * Move the input string to the end of buffer. The output string will be
517 * built up at the start.
519 size
= strlen(buf
) + 1;
520 if (size
* 2 > maxlen
)
522 cmdline
= buf
+ maxlen
- size
;
523 memmove(cmdline
, buf
, size
);
525 * Only fix cmdline when requested. The environment variable can be:
527 * no - we never fixup
528 * yes - we always fixup
529 * unset - we rely on the console silent flag
531 want_silent
= env_get_yesno("silent_linux");
532 if (want_silent
== 0)
534 else if (want_silent
== -1 && !(gd
->flags
& GD_FLG_SILENT
))
537 debug("before silent fix-up: %s\n", cmdline
);
539 char *start
= strstr(cmdline
, CONSOLE_ARG
);
541 /* Check space for maximum possible new command line */
542 if (size
+ CONSOLE_ARG_SIZE
> maxlen
)
546 char *end
= strchr(start
, ' ');
549 start_bytes
= start
- cmdline
;
550 strncpy(buf
, cmdline
, start_bytes
);
551 strncpy(buf
+ start_bytes
, NULL_CONSOLE
, CONSOLE_ARG_SIZE
);
553 strcpy(buf
+ start_bytes
+ CONSOLE_ARG_SIZE
- 1, end
);
555 buf
[start_bytes
+ CONSOLE_ARG_SIZE
] = '\0';
557 sprintf(buf
, "%s %s", cmdline
, NULL_CONSOLE
);
559 if (buf
+ strlen(buf
) >= cmdline
)
562 if (maxlen
< CONSOLE_ARG_SIZE
)
564 strcpy(buf
, NULL_CONSOLE
);
566 debug("after silent fix-up: %s\n", buf
);
572 * process_subst() - Handle substitution of ${...} fields in the environment
574 * Handle variable substitution in the provided buffer
576 * @buf: Buffer containing the string to process
577 * @maxlen: Maximum length of buffer
578 * Return: 0 if OK, -ENOSPC if @maxlen is too small
580 static int process_subst(char *buf
, int maxlen
)
586 /* Move to end of buffer */
587 size
= strlen(buf
) + 1;
588 cmdline
= buf
+ maxlen
- size
;
589 if (buf
+ size
> cmdline
)
591 memmove(cmdline
, buf
, size
);
593 ret
= cli_simple_process_macros(cmdline
, buf
, cmdline
- buf
);
598 int bootm_process_cmdline(char *buf
, int maxlen
, int flags
)
602 /* Check config first to enable compiler to eliminate code */
603 if (IS_ENABLED(CONFIG_SILENT_CONSOLE
) &&
604 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY
) &&
605 (flags
& BOOTM_CL_SILENT
)) {
606 ret
= fixup_silent_linux(buf
, maxlen
);
608 return log_msg_ret("silent", ret
);
610 if (IS_ENABLED(CONFIG_BOOTARGS_SUBST
) && IS_ENABLED(CONFIG_CMDLINE
) &&
611 (flags
& BOOTM_CL_SUBST
)) {
612 ret
= process_subst(buf
, maxlen
);
614 return log_msg_ret("subst", ret
);
620 int bootm_process_cmdline_env(int flags
)
622 const int maxlen
= MAX_CMDLINE_SIZE
;
628 /* First check if any action is needed */
629 do_silent
= IS_ENABLED(CONFIG_SILENT_CONSOLE
) &&
630 !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY
) && (flags
& BOOTM_CL_SILENT
);
631 if (!do_silent
&& !IS_ENABLED(CONFIG_BOOTARGS_SUBST
))
634 env
= env_get("bootargs");
635 if (env
&& strlen(env
) >= maxlen
)
637 buf
= malloc(maxlen
);
644 ret
= bootm_process_cmdline(buf
, maxlen
, flags
);
646 ret
= env_set("bootargs", buf
);
649 * If buf is "" and bootargs does not exist, this will produce
650 * an error trying to delete bootargs. Ignore it
657 return log_msg_ret("env", ret
);
663 * Execute selected states of the bootm command.
665 * Note the arguments to this state must be the first argument, Any 'bootm'
666 * or sub-command arguments must have already been taken.
668 * Note that if states contains more than one flag it MUST contain
669 * BOOTM_STATE_START, since this handles and consumes the command line args.
671 * Also note that aside from boot_os_fn functions and bootm_load_os no other
672 * functions we store the return value of in 'ret' may use a negative return
673 * value, without special handling.
675 * @param cmdtp Pointer to bootm command table entry
676 * @param flag Command flags (CMD_FLAG_...)
677 * @param argc Number of subcommand arguments (0 = no arguments)
678 * @param argv Arguments
679 * @param states Mask containing states to run (BOOTM_STATE_...)
680 * @param images Image header information
681 * @param boot_progress 1 to show boot progress, 0 to not do this
682 * Return: 0 if ok, something else on error. Some errors will cause this
683 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
684 * then the intent is to boot an OS, so this function will not return
685 * unless the image type is standalone.
687 int do_bootm_states(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
688 char *const argv
[], int states
, struct bootm_headers
*images
,
693 int ret
= 0, need_boot_fn
;
695 images
->state
|= states
;
698 * Work through the states and see how far we get. We stop on
701 if (states
& BOOTM_STATE_START
)
702 ret
= bootm_start(cmdtp
, flag
, argc
, argv
);
704 if (!ret
&& (states
& BOOTM_STATE_PRE_LOAD
))
705 ret
= bootm_pre_load(cmdtp
, flag
, argc
, argv
);
707 if (!ret
&& (states
& BOOTM_STATE_FINDOS
))
708 ret
= bootm_find_os(cmdtp
, flag
, argc
, argv
);
710 if (!ret
&& (states
& BOOTM_STATE_FINDOTHER
))
711 ret
= bootm_find_other(cmdtp
, flag
, argc
, argv
);
714 if (!ret
&& (states
& BOOTM_STATE_LOADOS
)) {
715 iflag
= bootm_disable_interrupts();
716 ret
= bootm_load_os(images
, 0);
717 if (ret
&& ret
!= BOOTM_ERR_OVERLAP
)
719 else if (ret
== BOOTM_ERR_OVERLAP
)
723 /* Relocate the ramdisk */
724 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
725 if (!ret
&& (states
& BOOTM_STATE_RAMDISK
)) {
726 ulong rd_len
= images
->rd_end
- images
->rd_start
;
728 ret
= boot_ramdisk_high(&images
->lmb
, images
->rd_start
,
729 rd_len
, &images
->initrd_start
, &images
->initrd_end
);
731 env_set_hex("initrd_start", images
->initrd_start
);
732 env_set_hex("initrd_end", images
->initrd_end
);
736 #if CONFIG_IS_ENABLED(OF_LIBFDT) && defined(CONFIG_LMB)
737 if (!ret
&& (states
& BOOTM_STATE_FDT
)) {
738 boot_fdt_add_mem_rsv_regions(&images
->lmb
, images
->ft_addr
);
739 ret
= boot_relocate_fdt(&images
->lmb
, &images
->ft_addr
,
744 /* From now on, we need the OS boot function */
747 boot_fn
= bootm_os_get_boot_func(images
->os
.os
);
748 need_boot_fn
= states
& (BOOTM_STATE_OS_CMDLINE
|
749 BOOTM_STATE_OS_BD_T
| BOOTM_STATE_OS_PREP
|
750 BOOTM_STATE_OS_FAKE_GO
| BOOTM_STATE_OS_GO
);
751 if (boot_fn
== NULL
&& need_boot_fn
) {
754 printf("ERROR: booting os '%s' (%d) is not supported\n",
755 genimg_get_os_name(images
->os
.os
), images
->os
.os
);
756 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS
);
761 /* Call various other states that are not generally used */
762 if (!ret
&& (states
& BOOTM_STATE_OS_CMDLINE
))
763 ret
= boot_fn(BOOTM_STATE_OS_CMDLINE
, argc
, argv
, images
);
764 if (!ret
&& (states
& BOOTM_STATE_OS_BD_T
))
765 ret
= boot_fn(BOOTM_STATE_OS_BD_T
, argc
, argv
, images
);
766 if (!ret
&& (states
& BOOTM_STATE_OS_PREP
)) {
767 ret
= bootm_process_cmdline_env(images
->os
.os
== IH_OS_LINUX
);
769 printf("Cmdline setup failed (err=%d)\n", ret
);
770 ret
= CMD_RET_FAILURE
;
773 ret
= boot_fn(BOOTM_STATE_OS_PREP
, argc
, argv
, images
);
777 /* Pretend to run the OS, then run a user command */
778 if (!ret
&& (states
& BOOTM_STATE_OS_FAKE_GO
)) {
779 char *cmd_list
= env_get("fakegocmd");
781 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_FAKE_GO
,
783 if (!ret
&& cmd_list
)
784 ret
= run_command_list(cmd_list
, -1, flag
);
788 /* Check for unsupported subcommand. */
790 printf("subcommand failed (err=%d)\n", ret
);
794 /* Now run the OS! We hope this doesn't return */
795 if (!ret
&& (states
& BOOTM_STATE_OS_GO
))
796 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_GO
,
799 /* Deal with any fallout */
804 if (ret
== BOOTM_ERR_UNIMPLEMENTED
)
805 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL
);
806 else if (ret
== BOOTM_ERR_RESET
)
807 do_reset(cmdtp
, flag
, argc
, argv
);
812 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
814 * image_get_kernel - verify legacy format kernel image
815 * @img_addr: in RAM address of the legacy format image to be verified
816 * @verify: data CRC verification flag
818 * image_get_kernel() verifies legacy image integrity and returns pointer to
819 * legacy image header if image verification was completed successfully.
822 * pointer to a legacy image header if valid image was found
823 * otherwise return NULL
825 static struct legacy_img_hdr
*image_get_kernel(ulong img_addr
, int verify
)
827 struct legacy_img_hdr
*hdr
= (struct legacy_img_hdr
*)img_addr
;
829 if (!image_check_magic(hdr
)) {
830 puts("Bad Magic Number\n");
831 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC
);
834 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER
);
836 if (!image_check_hcrc(hdr
)) {
837 puts("Bad Header Checksum\n");
838 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER
);
842 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM
);
843 image_print_contents(hdr
);
846 puts(" Verifying Checksum ... ");
847 if (!image_check_dcrc(hdr
)) {
848 printf("Bad Data CRC\n");
849 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM
);
854 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH
);
856 if (!image_check_target_arch(hdr
)) {
857 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr
));
858 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH
);
866 * boot_get_kernel - find kernel image
867 * @os_data: pointer to a ulong variable, will hold os data start address
868 * @os_len: pointer to a ulong variable, will hold os data length
870 * boot_get_kernel() tries to find a kernel image, verifies its integrity
871 * and locates kernel data.
874 * pointer to image header if valid image was found, plus kernel start
875 * address and length, otherwise NULL
877 static const void *boot_get_kernel(struct cmd_tbl
*cmdtp
, int flag
, int argc
,
878 char *const argv
[], struct bootm_headers
*images
,
879 ulong
*os_data
, ulong
*os_len
)
881 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
882 struct legacy_img_hdr
*hdr
;
886 const char *fit_uname_config
= NULL
;
887 const char *fit_uname_kernel
= NULL
;
888 #if CONFIG_IS_ENABLED(FIT)
892 img_addr
= genimg_get_kernel_addr_fit(argc
< 1 ? NULL
: argv
[0],
896 if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD
))
897 img_addr
+= image_load_offset
;
899 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC
);
901 /* check image type, for FIT images get FIT kernel node */
902 *os_data
= *os_len
= 0;
903 buf
= map_sysmem(img_addr
, 0);
904 switch (genimg_get_format(buf
)) {
905 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
906 case IMAGE_FORMAT_LEGACY
:
907 printf("## Booting kernel from Legacy Image at %08lx ...\n",
909 hdr
= image_get_kernel(img_addr
, images
->verify
);
912 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
914 /* get os_data and os_len */
915 switch (image_get_type(hdr
)) {
917 case IH_TYPE_KERNEL_NOLOAD
:
918 *os_data
= image_get_data(hdr
);
919 *os_len
= image_get_data_size(hdr
);
922 image_multi_getimg(hdr
, 0, os_data
, os_len
);
924 case IH_TYPE_STANDALONE
:
925 *os_data
= image_get_data(hdr
);
926 *os_len
= image_get_data_size(hdr
);
929 printf("Wrong Image Type for %s command\n",
931 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
936 * copy image header to allow for image overwrites during
937 * kernel decompression.
939 memmove(&images
->legacy_hdr_os_copy
, hdr
,
940 sizeof(struct legacy_img_hdr
));
942 /* save pointer to image header */
943 images
->legacy_hdr_os
= hdr
;
945 images
->legacy_hdr_valid
= 1;
946 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE
);
949 #if CONFIG_IS_ENABLED(FIT)
950 case IMAGE_FORMAT_FIT
:
951 os_noffset
= fit_image_load(images
, img_addr
,
952 &fit_uname_kernel
, &fit_uname_config
,
953 IH_ARCH_DEFAULT
, IH_TYPE_KERNEL
,
954 BOOTSTAGE_ID_FIT_KERNEL_START
,
955 FIT_LOAD_IGNORED
, os_data
, os_len
);
959 images
->fit_hdr_os
= map_sysmem(img_addr
, 0);
960 images
->fit_uname_os
= fit_uname_kernel
;
961 images
->fit_uname_cfg
= fit_uname_config
;
962 images
->fit_noffset_os
= os_noffset
;
965 #ifdef CONFIG_ANDROID_BOOT_IMAGE
966 case IMAGE_FORMAT_ANDROID
:
967 printf("## Booting Android Image at 0x%08lx ...\n", img_addr
);
968 if (android_image_get_kernel(buf
, images
->verify
,
974 printf("Wrong Image Format for %s command\n", cmdtp
->name
);
975 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO
);
979 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
980 *os_data
, *os_len
, *os_len
);
986 * switch_to_non_secure_mode() - switch to non-secure mode
988 * This routine is overridden by architectures requiring this feature.
990 void __weak
switch_to_non_secure_mode(void)
994 #else /* USE_HOSTCC */
996 #if defined(CONFIG_FIT_SIGNATURE)
997 static int bootm_host_load_image(const void *fit
, int req_image_type
,
1000 const char *fit_uname_config
= NULL
;
1002 struct bootm_headers images
;
1004 ulong load_end
, buf_size
;
1010 fit_uname_config
= fdt_get_name(fit
, cfg_noffset
, NULL
);
1011 memset(&images
, '\0', sizeof(images
));
1013 noffset
= fit_image_load(&images
, (ulong
)fit
,
1014 NULL
, &fit_uname_config
,
1015 IH_ARCH_DEFAULT
, req_image_type
, -1,
1016 FIT_LOAD_IGNORED
, &data
, &len
);
1019 if (fit_image_get_type(fit
, noffset
, &image_type
)) {
1020 puts("Can't get image type!\n");
1024 if (fit_image_get_comp(fit
, noffset
, &image_comp
))
1025 image_comp
= IH_COMP_NONE
;
1027 /* Allow the image to expand by a factor of 4, should be safe */
1028 buf_size
= (1 << 20) + len
* 4;
1029 load_buf
= malloc(buf_size
);
1030 ret
= image_decomp(image_comp
, 0, data
, image_type
, load_buf
,
1031 (void *)data
, len
, buf_size
, &load_end
);
1035 ret
= handle_decomp_error(image_comp
, load_end
- 0, buf_size
, ret
);
1036 if (ret
!= BOOTM_ERR_UNIMPLEMENTED
)
1043 int bootm_host_load_images(const void *fit
, int cfg_noffset
)
1045 static uint8_t image_types
[] = {
1053 for (i
= 0; i
< ARRAY_SIZE(image_types
); i
++) {
1056 ret
= bootm_host_load_image(fit
, image_types
[i
], cfg_noffset
);
1057 if (!err
&& ret
&& ret
!= -ENOENT
)
1061 /* Return the first error we found */
1066 #endif /* ndef USE_HOSTCC */