2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
14 #include <environment.h>
20 #include <asm/byteorder.h>
21 #include <linux/compiler.h>
22 #include <linux/ctype.h>
23 #include <linux/err.h>
24 #include <u-boot/zlib.h>
26 DECLARE_GLOBAL_DATA_PTR
;
28 #if defined(CONFIG_CMD_IMI)
29 static int image_info(unsigned long addr
);
32 #if defined(CONFIG_CMD_IMLS)
34 #include <mtd/cfi_flash.h>
35 extern flash_info_t flash_info
[]; /* info for FLASH chips */
38 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
39 static int do_imls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
42 bootm_headers_t images
; /* pointers to os/initrd/fdt images */
44 /* we overload the cmd field with our state machine info instead of a
46 static cmd_tbl_t cmd_bootm_sub
[] = {
47 U_BOOT_CMD_MKENT(start
, 0, 1, (void *)BOOTM_STATE_START
, "", ""),
48 U_BOOT_CMD_MKENT(loados
, 0, 1, (void *)BOOTM_STATE_LOADOS
, "", ""),
49 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
50 U_BOOT_CMD_MKENT(ramdisk
, 0, 1, (void *)BOOTM_STATE_RAMDISK
, "", ""),
52 #ifdef CONFIG_OF_LIBFDT
53 U_BOOT_CMD_MKENT(fdt
, 0, 1, (void *)BOOTM_STATE_FDT
, "", ""),
55 U_BOOT_CMD_MKENT(cmdline
, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE
, "", ""),
56 U_BOOT_CMD_MKENT(bdt
, 0, 1, (void *)BOOTM_STATE_OS_BD_T
, "", ""),
57 U_BOOT_CMD_MKENT(prep
, 0, 1, (void *)BOOTM_STATE_OS_PREP
, "", ""),
58 U_BOOT_CMD_MKENT(fake
, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO
, "", ""),
59 U_BOOT_CMD_MKENT(go
, 0, 1, (void *)BOOTM_STATE_OS_GO
, "", ""),
62 static int do_bootm_subcommand(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
69 c
= find_cmd_tbl(argv
[0], &cmd_bootm_sub
[0], ARRAY_SIZE(cmd_bootm_sub
));
74 if (state
== BOOTM_STATE_START
)
75 state
|= BOOTM_STATE_FINDOS
| BOOTM_STATE_FINDOTHER
;
77 /* Unrecognized command */
81 if (state
!= BOOTM_STATE_START
&& images
.state
>= state
) {
82 printf("Trying to execute a command out of order\n");
86 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
, state
, &images
, 0);
91 /*******************************************************************/
92 /* bootm - boot application image from image in memory */
93 /*******************************************************************/
95 int do_bootm(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
97 #ifdef CONFIG_NEEDS_MANUAL_RELOC
98 static int relocated
= 0;
103 /* relocate names of sub-command table */
104 for (i
= 0; i
< ARRAY_SIZE(cmd_bootm_sub
); i
++)
105 cmd_bootm_sub
[i
].name
+= gd
->reloc_off
;
111 /* determine if we have a sub command */
116 simple_strtoul(argv
[0], &endp
, 16);
117 /* endp pointing to NULL means that argv[0] was just a
118 * valid number, pass it along to the normal bootm processing
120 * If endp is ':' or '#' assume a FIT identifier so pass
121 * along for normal processing.
123 * Right now we assume the first arg should never be '-'
125 if ((*endp
!= 0) && (*endp
!= ':') && (*endp
!= '#'))
126 return do_bootm_subcommand(cmdtp
, flag
, argc
, argv
);
129 return do_bootm_states(cmdtp
, flag
, argc
, argv
, BOOTM_STATE_START
|
130 BOOTM_STATE_FINDOS
| BOOTM_STATE_FINDOTHER
|
132 #if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
133 BOOTM_STATE_OS_CMDLINE
|
135 BOOTM_STATE_OS_PREP
| BOOTM_STATE_OS_FAKE_GO
|
136 BOOTM_STATE_OS_GO
, &images
, 1);
139 int bootm_maybe_autostart(cmd_tbl_t
*cmdtp
, const char *cmd
)
141 const char *ep
= getenv("autostart");
143 if (ep
&& !strcmp(ep
, "yes")) {
145 local_args
[0] = (char *)cmd
;
146 local_args
[1] = NULL
;
147 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr
);
148 return do_bootm(cmdtp
, 0, 1, local_args
);
154 #ifdef CONFIG_SYS_LONGHELP
155 static char bootm_help_text
[] =
156 "[addr [arg ...]]\n - boot application image stored in memory\n"
157 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
158 "\t'arg' can be the address of an initrd image\n"
159 #if defined(CONFIG_OF_LIBFDT)
160 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
161 "\ta third argument is required which is the address of the\n"
162 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
163 "\tuse a '-' for the second argument. If you do not pass a third\n"
164 "\ta bd_info struct will be passed instead\n"
166 #if defined(CONFIG_FIT)
167 "\t\nFor the new multi component uImage format (FIT) addresses\n"
168 "\tmust be extened to include component or configuration unit name:\n"
169 "\taddr:<subimg_uname> - direct component image specification\n"
170 "\taddr#<conf_uname> - configuration specification\n"
171 "\tUse iminfo command to get the list of existing component\n"
172 "\timages and configurations.\n"
174 "\nSub-commands to do part of the bootm sequence. The sub-commands "
176 "issued in the order below (it's ok to not issue all sub-commands):\n"
177 "\tstart [addr [arg ...]]\n"
178 "\tloados - load OS image\n"
179 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
180 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
182 #if defined(CONFIG_OF_LIBFDT)
183 "\tfdt - relocate flat device tree\n"
185 "\tcmdline - OS specific command line processing/setup\n"
186 "\tbdt - OS specific bd_t processing\n"
187 "\tprep - OS specific prep before relocation or go\n"
188 #if defined(CONFIG_TRACE)
189 "\tfake - OS specific fake start without go\n"
195 bootm
, CONFIG_SYS_MAXARGS
, 1, do_bootm
,
196 "boot application image from memory", bootm_help_text
199 /*******************************************************************/
200 /* bootd - boot default image */
201 /*******************************************************************/
202 #if defined(CONFIG_CMD_BOOTD)
203 int do_bootd(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
205 return run_command(getenv("bootcmd"), flag
);
209 boot
, 1, 1, do_bootd
,
210 "boot default, i.e., run 'bootcmd'",
214 /* keep old command name "bootd" for backward compatibility */
216 bootd
, 1, 1, do_bootd
,
217 "boot default, i.e., run 'bootcmd'",
224 /*******************************************************************/
225 /* iminfo - print header info for a requested image */
226 /*******************************************************************/
227 #if defined(CONFIG_CMD_IMI)
228 static int do_iminfo(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
235 return image_info(load_addr
);
238 for (arg
= 1; arg
< argc
; ++arg
) {
239 addr
= simple_strtoul(argv
[arg
], NULL
, 16);
240 if (image_info(addr
) != 0)
246 static int image_info(ulong addr
)
248 void *hdr
= (void *)addr
;
250 printf("\n## Checking Image at %08lx ...\n", addr
);
252 switch (genimg_get_format(hdr
)) {
253 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
254 case IMAGE_FORMAT_LEGACY
:
255 puts(" Legacy image found\n");
256 if (!image_check_magic(hdr
)) {
257 puts(" Bad Magic Number\n");
261 if (!image_check_hcrc(hdr
)) {
262 puts(" Bad Header Checksum\n");
266 image_print_contents(hdr
);
268 puts(" Verifying Checksum ... ");
269 if (!image_check_dcrc(hdr
)) {
270 puts(" Bad Data CRC\n");
276 #if defined(CONFIG_FIT)
277 case IMAGE_FORMAT_FIT
:
278 puts(" FIT image found\n");
280 if (!fit_check_format(hdr
)) {
281 puts("Bad FIT image format!\n");
285 fit_print_contents(hdr
);
287 if (!fit_all_image_verify(hdr
)) {
288 puts("Bad hash in FIT image!\n");
295 puts("Unknown image format!\n");
303 iminfo
, CONFIG_SYS_MAXARGS
, 1, do_iminfo
,
304 "print header information for application image",
306 " - print header information for application image starting at\n"
307 " address 'addr' in memory; this includes verification of the\n"
308 " image contents (magic number, header and payload checksums)"
313 /*******************************************************************/
314 /* imls - list all images found in flash */
315 /*******************************************************************/
316 #if defined(CONFIG_CMD_IMLS)
317 static int do_imls_nor(void)
323 for (i
= 0, info
= &flash_info
[0];
324 i
< CONFIG_SYS_MAX_FLASH_BANKS
; ++i
, ++info
) {
326 if (info
->flash_id
== FLASH_UNKNOWN
)
328 for (j
= 0; j
< info
->sector_count
; ++j
) {
330 hdr
= (void *)info
->start
[j
];
334 switch (genimg_get_format(hdr
)) {
335 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
336 case IMAGE_FORMAT_LEGACY
:
337 if (!image_check_hcrc(hdr
))
340 printf("Legacy Image at %08lX:\n", (ulong
)hdr
);
341 image_print_contents(hdr
);
343 puts(" Verifying Checksum ... ");
344 if (!image_check_dcrc(hdr
)) {
345 puts("Bad Data CRC\n");
351 #if defined(CONFIG_FIT)
352 case IMAGE_FORMAT_FIT
:
353 if (!fit_check_format(hdr
))
356 printf("FIT Image at %08lX:\n", (ulong
)hdr
);
357 fit_print_contents(hdr
);
372 #if defined(CONFIG_CMD_IMLS_NAND)
373 static int nand_imls_legacyimage(nand_info_t
*nand
, int nand_dev
, loff_t off
,
379 imgdata
= malloc(len
);
381 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
383 printf(" Low memory(cannot allocate memory for image)\n");
387 ret
= nand_read_skip_bad(nand
, off
, &len
,
389 if (ret
< 0 && ret
!= -EUCLEAN
) {
394 if (!image_check_hcrc(imgdata
)) {
399 printf("Legacy Image at NAND device %d offset %08llX:\n",
401 image_print_contents(imgdata
);
403 puts(" Verifying Checksum ... ");
404 if (!image_check_dcrc(imgdata
))
405 puts("Bad Data CRC\n");
414 static int nand_imls_fitimage(nand_info_t
*nand
, int nand_dev
, loff_t off
,
420 imgdata
= malloc(len
);
422 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
424 printf(" Low memory(cannot allocate memory for image)\n");
428 ret
= nand_read_skip_bad(nand
, off
, &len
,
430 if (ret
< 0 && ret
!= -EUCLEAN
) {
435 if (!fit_check_format(imgdata
)) {
440 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev
, off
);
442 fit_print_contents(imgdata
);
448 static int do_imls_nand(void)
451 int nand_dev
= nand_curr_device
;
456 if (nand_dev
< 0 || nand_dev
>= CONFIG_SYS_MAX_NAND_DEVICE
) {
457 puts("\nNo NAND devices available\n");
463 for (nand_dev
= 0; nand_dev
< CONFIG_SYS_MAX_NAND_DEVICE
; nand_dev
++) {
464 nand
= &nand_info
[nand_dev
];
465 if (!nand
->name
|| !nand
->size
)
468 for (off
= 0; off
< nand
->size
; off
+= nand
->erasesize
) {
469 const image_header_t
*header
;
472 if (nand_block_isbad(nand
, off
))
475 len
= sizeof(buffer
);
477 ret
= nand_read(nand
, off
, &len
, (u8
*)buffer
);
478 if (ret
< 0 && ret
!= -EUCLEAN
) {
479 printf("NAND read error %d at offset %08llX\n",
484 switch (genimg_get_format(buffer
)) {
485 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
486 case IMAGE_FORMAT_LEGACY
:
487 header
= (const image_header_t
*)buffer
;
489 len
= image_get_image_size(header
);
490 nand_imls_legacyimage(nand
, nand_dev
, off
, len
);
493 #if defined(CONFIG_FIT)
494 case IMAGE_FORMAT_FIT
:
495 len
= fit_get_size(buffer
);
496 nand_imls_fitimage(nand
, nand_dev
, off
, len
);
507 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
508 static int do_imls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
510 int ret_nor
= 0, ret_nand
= 0;
512 #if defined(CONFIG_CMD_IMLS)
513 ret_nor
= do_imls_nor();
516 #if defined(CONFIG_CMD_IMLS_NAND)
517 ret_nand
= do_imls_nand();
531 "list all images found in flash",
533 " - Prints information about all images found at sector/block\n"
534 " boundaries in nor/nand flash."
538 #ifdef CONFIG_CMD_BOOTZ
540 int __weak
bootz_setup(ulong image
, ulong
*start
, ulong
*end
)
542 /* Please define bootz_setup() for your platform */
544 puts("Your platform's zImage format isn't supported yet!\n");
549 * zImage booting support
551 static int bootz_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
552 char * const argv
[], bootm_headers_t
*images
)
555 ulong zi_start
, zi_end
;
557 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
, BOOTM_STATE_START
,
560 /* Setup Linux kernel zImage entry point */
562 images
->ep
= load_addr
;
563 debug("* kernel: default image load address = 0x%08lx\n",
566 images
->ep
= simple_strtoul(argv
[0], NULL
, 16);
567 debug("* kernel: cmdline image address = 0x%08lx\n",
571 ret
= bootz_setup(images
->ep
, &zi_start
, &zi_end
);
575 lmb_reserve(&images
->lmb
, images
->ep
, zi_end
- zi_start
);
578 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
579 * have a header that provide this informaiton.
581 if (bootm_find_ramdisk_fdt(flag
, argc
, argv
))
587 int do_bootz(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
591 /* Consume 'bootz' */
594 if (bootz_start(cmdtp
, flag
, argc
, argv
, &images
))
598 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
599 * disable interrupts ourselves
601 bootm_disable_interrupts();
603 images
.os
.os
= IH_OS_LINUX
;
604 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
,
605 BOOTM_STATE_OS_PREP
| BOOTM_STATE_OS_FAKE_GO
|
612 #ifdef CONFIG_SYS_LONGHELP
613 static char bootz_help_text
[] =
614 "[addr [initrd[:size]] [fdt]]\n"
615 " - boot Linux zImage stored in memory\n"
616 "\tThe argument 'initrd' is optional and specifies the address\n"
617 "\tof the initrd in memory. The optional argument ':size' allows\n"
618 "\tspecifying the size of RAW initrd.\n"
619 #if defined(CONFIG_OF_LIBFDT)
620 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
621 "\ta third argument is required which is the address of the\n"
622 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
623 "\tuse a '-' for the second argument. If you do not pass a third\n"
624 "\ta bd_info struct will be passed instead\n"
630 bootz
, CONFIG_SYS_MAXARGS
, 1, do_bootz
,
631 "boot Linux zImage image from memory", bootz_help_text
633 #endif /* CONFIG_CMD_BOOTZ */
635 #ifdef CONFIG_CMD_BOOTI
636 /* See Documentation/arm64/booting.txt in the Linux kernel */
637 struct Image_header
{
638 uint32_t code0
; /* Executable code */
639 uint32_t code1
; /* Executable code */
640 uint64_t text_offset
; /* Image load offset, LE */
641 uint64_t image_size
; /* Effective Image size, LE */
642 uint64_t res1
; /* reserved */
643 uint64_t res2
; /* reserved */
644 uint64_t res3
; /* reserved */
645 uint64_t res4
; /* reserved */
646 uint32_t magic
; /* Magic number */
650 #define LINUX_ARM64_IMAGE_MAGIC 0x644d5241
652 static int booti_setup(bootm_headers_t
*images
)
654 struct Image_header
*ih
;
657 ih
= (struct Image_header
*)map_sysmem(images
->ep
, 0);
659 if (ih
->magic
!= le32_to_cpu(LINUX_ARM64_IMAGE_MAGIC
)) {
660 puts("Bad Linux ARM64 Image magic!\n");
664 if (ih
->image_size
== 0) {
665 puts("Image lacks image_size field, assuming 16MiB\n");
666 ih
->image_size
= (16 << 20);
670 * If we are not at the correct run-time location, set the new
671 * correct location and then move the image there.
673 dst
= gd
->bd
->bi_dram
[0].start
+ le32_to_cpu(ih
->text_offset
);
674 if (images
->ep
!= dst
) {
677 debug("Moving Image from 0x%lx to 0x%llx\n", images
->ep
, dst
);
679 src
= (void *)images
->ep
;
681 memmove((void *)dst
, src
, le32_to_cpu(ih
->image_size
));
688 * Image booting support
690 static int booti_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
691 char * const argv
[], bootm_headers_t
*images
)
694 struct Image_header
*ih
;
696 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
, BOOTM_STATE_START
,
699 /* Setup Linux kernel Image entry point */
701 images
->ep
= load_addr
;
702 debug("* kernel: default image load address = 0x%08lx\n",
705 images
->ep
= simple_strtoul(argv
[0], NULL
, 16);
706 debug("* kernel: cmdline image address = 0x%08lx\n",
710 ret
= booti_setup(images
);
714 ih
= (struct Image_header
*)map_sysmem(images
->ep
, 0);
716 lmb_reserve(&images
->lmb
, images
->ep
, le32_to_cpu(ih
->image_size
));
719 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
720 * have a header that provide this informaiton.
722 if (bootm_find_ramdisk_fdt(flag
, argc
, argv
))
728 int do_booti(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
732 /* Consume 'booti' */
735 if (booti_start(cmdtp
, flag
, argc
, argv
, &images
))
739 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
740 * disable interrupts ourselves
742 bootm_disable_interrupts();
744 images
.os
.os
= IH_OS_LINUX
;
745 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
,
746 BOOTM_STATE_OS_PREP
| BOOTM_STATE_OS_FAKE_GO
|
753 #ifdef CONFIG_SYS_LONGHELP
754 static char booti_help_text
[] =
755 "[addr [initrd[:size]] [fdt]]\n"
756 " - boot Linux Image stored in memory\n"
757 "\tThe argument 'initrd' is optional and specifies the address\n"
758 "\tof the initrd in memory. The optional argument ':size' allows\n"
759 "\tspecifying the size of RAW initrd.\n"
760 #if defined(CONFIG_OF_LIBFDT)
761 "\tSince booting a Linux kernelrequires a flat device-tree\n"
762 "\ta third argument is required which is the address of the\n"
763 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
764 "\tuse a '-' for the second argument.\n"
770 booti
, CONFIG_SYS_MAXARGS
, 1, do_booti
,
771 "boot arm64 Linux Image image from memory", booti_help_text
773 #endif /* CONFIG_CMD_BOOTI */