2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
17 #include <u-boot/zlib.h>
19 #include <environment.h>
21 #include <linux/ctype.h>
22 #include <asm/byteorder.h>
24 #include <linux/compiler.h>
26 #if defined(CONFIG_BOOTM_VXWORKS) && \
27 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
31 #if defined(CONFIG_CMD_USB)
35 #ifdef CONFIG_SYS_HUSH_PARSER
39 #if defined(CONFIG_OF_LIBFDT)
41 #include <fdt_support.h>
45 #include <lzma/LzmaTypes.h>
46 #include <lzma/LzmaDec.h>
47 #include <lzma/LzmaTools.h>
48 #endif /* CONFIG_LZMA */
51 #include <linux/lzo.h>
52 #endif /* CONFIG_LZO */
54 DECLARE_GLOBAL_DATA_PTR
;
56 #ifndef CONFIG_SYS_BOOTM_LEN
57 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
61 extern void bz_internal_error(int);
64 #if defined(CONFIG_CMD_IMI)
65 static int image_info(unsigned long addr
);
68 #if defined(CONFIG_CMD_IMLS)
70 #include <mtd/cfi_flash.h>
71 extern flash_info_t flash_info
[]; /* info for FLASH chips */
74 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
75 static int do_imls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
78 #include <linux/err.h>
81 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
82 static void fixup_silent_linux(void);
85 static int do_bootm_standalone(int flag
, int argc
, char * const argv
[],
86 bootm_headers_t
*images
);
88 static const void *boot_get_kernel(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
89 char * const argv
[], bootm_headers_t
*images
,
90 ulong
*os_data
, ulong
*os_len
);
93 * Continue booting an OS image; caller already has:
94 * - copied image header to global variable `header'
95 * - checked header magic number, checksums (both header & image),
96 * - verified image architecture (PPC) and type (KERNEL or MULTI),
97 * - loaded (first part of) image to header load address,
98 * - disabled interrupts.
100 * @flag: Flags indicating what to do (BOOTM_STATE_...)
101 * @argc: Number of arguments. Note that the arguments are shifted down
102 * so that 0 is the first argument not processed by U-Boot, and
103 * argc is adjusted accordingly. This avoids confusion as to how
104 * many arguments are available for the OS.
105 * @images: Pointers to os/initrd/fdt
106 * @return 1 on error. On success the OS boots so this function does
109 typedef int boot_os_fn(int flag
, int argc
, char * const argv
[],
110 bootm_headers_t
*images
);
112 #ifdef CONFIG_BOOTM_LINUX
113 extern boot_os_fn do_bootm_linux
;
115 #ifdef CONFIG_BOOTM_NETBSD
116 static boot_os_fn do_bootm_netbsd
;
118 #if defined(CONFIG_LYNXKDI)
119 static boot_os_fn do_bootm_lynxkdi
;
120 extern void lynxkdi_boot(image_header_t
*);
122 #ifdef CONFIG_BOOTM_RTEMS
123 static boot_os_fn do_bootm_rtems
;
125 #if defined(CONFIG_BOOTM_OSE)
126 static boot_os_fn do_bootm_ose
;
128 #if defined(CONFIG_BOOTM_PLAN9)
129 static boot_os_fn do_bootm_plan9
;
131 #if defined(CONFIG_BOOTM_VXWORKS) && \
132 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
133 static boot_os_fn do_bootm_vxworks
;
135 #if defined(CONFIG_CMD_ELF)
136 static boot_os_fn do_bootm_qnxelf
;
137 int do_bootvx(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
138 int do_bootelf(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
140 #if defined(CONFIG_INTEGRITY)
141 static boot_os_fn do_bootm_integrity
;
144 static boot_os_fn
*boot_os
[] = {
145 [IH_OS_U_BOOT
] = do_bootm_standalone
,
146 #ifdef CONFIG_BOOTM_LINUX
147 [IH_OS_LINUX
] = do_bootm_linux
,
149 #ifdef CONFIG_BOOTM_NETBSD
150 [IH_OS_NETBSD
] = do_bootm_netbsd
,
152 #ifdef CONFIG_LYNXKDI
153 [IH_OS_LYNXOS
] = do_bootm_lynxkdi
,
155 #ifdef CONFIG_BOOTM_RTEMS
156 [IH_OS_RTEMS
] = do_bootm_rtems
,
158 #if defined(CONFIG_BOOTM_OSE)
159 [IH_OS_OSE
] = do_bootm_ose
,
161 #if defined(CONFIG_BOOTM_PLAN9)
162 [IH_OS_PLAN9
] = do_bootm_plan9
,
164 #if defined(CONFIG_BOOTM_VXWORKS) && \
165 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
166 [IH_OS_VXWORKS
] = do_bootm_vxworks
,
168 #if defined(CONFIG_CMD_ELF)
169 [IH_OS_QNX
] = do_bootm_qnxelf
,
171 #ifdef CONFIG_INTEGRITY
172 [IH_OS_INTEGRITY
] = do_bootm_integrity
,
176 bootm_headers_t images
; /* pointers to os/initrd/fdt images */
178 /* Allow for arch specific config before we boot */
179 static void __arch_preboot_os(void)
181 /* please define platform specific arch_preboot_os() */
183 void arch_preboot_os(void) __attribute__((weak
, alias("__arch_preboot_os")));
185 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
188 static void boot_start_lmb(bootm_headers_t
*images
)
191 phys_size_t mem_size
;
193 lmb_init(&images
->lmb
);
195 mem_start
= getenv_bootm_low();
196 mem_size
= getenv_bootm_size();
198 lmb_add(&images
->lmb
, (phys_addr_t
)mem_start
, mem_size
);
200 arch_lmb_reserve(&images
->lmb
);
201 board_lmb_reserve(&images
->lmb
);
204 #define lmb_reserve(lmb, base, size)
205 static inline void boot_start_lmb(bootm_headers_t
*images
) { }
208 static int bootm_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
210 memset((void *)&images
, 0, sizeof(images
));
211 images
.verify
= getenv_yesno("verify");
213 boot_start_lmb(&images
);
215 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START
, "bootm_start");
216 images
.state
= BOOTM_STATE_START
;
221 static int bootm_find_os(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
226 /* get kernel image header, start address and length */
227 os_hdr
= boot_get_kernel(cmdtp
, flag
, argc
, argv
,
228 &images
, &images
.os
.image_start
, &images
.os
.image_len
);
229 if (images
.os
.image_len
== 0) {
230 puts("ERROR: can't get kernel image!\n");
234 /* get image parameters */
235 switch (genimg_get_format(os_hdr
)) {
236 case IMAGE_FORMAT_LEGACY
:
237 images
.os
.type
= image_get_type(os_hdr
);
238 images
.os
.comp
= image_get_comp(os_hdr
);
239 images
.os
.os
= image_get_os(os_hdr
);
241 images
.os
.end
= image_get_image_end(os_hdr
);
242 images
.os
.load
= image_get_load(os_hdr
);
244 #if defined(CONFIG_FIT)
245 case IMAGE_FORMAT_FIT
:
246 if (fit_image_get_type(images
.fit_hdr_os
,
247 images
.fit_noffset_os
, &images
.os
.type
)) {
248 puts("Can't get image type!\n");
249 bootstage_error(BOOTSTAGE_ID_FIT_TYPE
);
253 if (fit_image_get_comp(images
.fit_hdr_os
,
254 images
.fit_noffset_os
, &images
.os
.comp
)) {
255 puts("Can't get image compression!\n");
256 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION
);
260 if (fit_image_get_os(images
.fit_hdr_os
,
261 images
.fit_noffset_os
, &images
.os
.os
)) {
262 puts("Can't get image OS!\n");
263 bootstage_error(BOOTSTAGE_ID_FIT_OS
);
267 images
.os
.end
= fit_get_end(images
.fit_hdr_os
);
269 if (fit_image_get_load(images
.fit_hdr_os
, images
.fit_noffset_os
,
271 puts("Can't get image load address!\n");
272 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR
);
278 puts("ERROR: unknown image format type!\n");
282 /* find kernel entry point */
283 if (images
.legacy_hdr_valid
) {
284 images
.ep
= image_get_ep(&images
.legacy_hdr_os_copy
);
285 #if defined(CONFIG_FIT)
286 } else if (images
.fit_uname_os
) {
289 ret
= fit_image_get_entry(images
.fit_hdr_os
,
290 images
.fit_noffset_os
, &images
.ep
);
292 puts("Can't get entry point property!\n");
297 puts("Could not find kernel entry point!\n");
301 if (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) {
302 images
.os
.load
= images
.os
.image_start
;
303 images
.ep
+= images
.os
.load
;
306 images
.os
.start
= (ulong
)os_hdr
;
311 static int bootm_find_ramdisk(int flag
, int argc
, char * const argv
[])
316 ret
= boot_get_ramdisk(argc
, argv
, &images
, IH_INITRD_ARCH
,
317 &images
.rd_start
, &images
.rd_end
);
319 puts("Ramdisk image is corrupt or invalid\n");
326 #if defined(CONFIG_OF_LIBFDT)
327 static int bootm_find_fdt(int flag
, int argc
, char * const argv
[])
331 /* find flattened device tree */
332 ret
= boot_get_fdt(flag
, argc
, argv
, IH_ARCH_DEFAULT
, &images
,
333 &images
.ft_addr
, &images
.ft_len
);
335 puts("Could not find a valid device tree\n");
339 set_working_fdt_addr(images
.ft_addr
);
345 static int bootm_find_other(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
348 if (((images
.os
.type
== IH_TYPE_KERNEL
) ||
349 (images
.os
.type
== IH_TYPE_KERNEL_NOLOAD
) ||
350 (images
.os
.type
== IH_TYPE_MULTI
)) &&
351 (images
.os
.os
== IH_OS_LINUX
||
352 images
.os
.os
== IH_OS_VXWORKS
)) {
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
, unc_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 */
458 printf(" Uncompressing %s ... ", type_name
);
460 ret
= lzop_decompress(image_buf
, image_len
, load_buf
, &size
);
461 if (ret
!= LZO_E_OK
) {
462 printf("LZO: uncompress or overwrite error %d "
463 "- must RESET board to recover\n", ret
);
465 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE
);
466 return BOOTM_ERR_RESET
;
469 *load_end
= load
+ size
;
472 #endif /* CONFIG_LZO */
474 printf("Unimplemented compression type %d\n", comp
);
475 return BOOTM_ERR_UNIMPLEMENTED
;
478 flush_cache(load
, (*load_end
- load
) * sizeof(ulong
));
481 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load
, *load_end
);
482 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED
);
484 if (!no_overlap
&& (load
< blob_end
) && (*load_end
> blob_start
)) {
485 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
486 blob_start
, blob_end
);
487 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load
,
490 /* Check what type of image this is. */
491 if (images
->legacy_hdr_valid
) {
492 if (image_get_type(&images
->legacy_hdr_os_copy
)
494 puts("WARNING: legacy format multi component image overwritten\n");
495 return BOOTM_ERR_OVERLAP
;
497 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
498 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN
);
499 return BOOTM_ERR_RESET
;
506 static int do_bootm_standalone(int flag
, int argc
, char * const argv
[],
507 bootm_headers_t
*images
)
510 int (*appl
)(int, char * const []);
512 /* Don't start if "autostart" is set to "no" */
513 if (((s
= getenv("autostart")) != NULL
) && (strcmp(s
, "no") == 0)) {
514 setenv_hex("filesize", images
->os
.image_len
);
517 appl
= (int (*)(int, char * const []))(ulong
)ntohl(images
->ep
);
522 /* we overload the cmd field with our state machine info instead of a
523 * function pointer */
524 static cmd_tbl_t cmd_bootm_sub
[] = {
525 U_BOOT_CMD_MKENT(start
, 0, 1, (void *)BOOTM_STATE_START
, "", ""),
526 U_BOOT_CMD_MKENT(loados
, 0, 1, (void *)BOOTM_STATE_LOADOS
, "", ""),
527 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
528 U_BOOT_CMD_MKENT(ramdisk
, 0, 1, (void *)BOOTM_STATE_RAMDISK
, "", ""),
530 #ifdef CONFIG_OF_LIBFDT
531 U_BOOT_CMD_MKENT(fdt
, 0, 1, (void *)BOOTM_STATE_FDT
, "", ""),
533 U_BOOT_CMD_MKENT(cmdline
, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE
, "", ""),
534 U_BOOT_CMD_MKENT(bdt
, 0, 1, (void *)BOOTM_STATE_OS_BD_T
, "", ""),
535 U_BOOT_CMD_MKENT(prep
, 0, 1, (void *)BOOTM_STATE_OS_PREP
, "", ""),
536 U_BOOT_CMD_MKENT(fake
, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO
, "", ""),
537 U_BOOT_CMD_MKENT(go
, 0, 1, (void *)BOOTM_STATE_OS_GO
, "", ""),
540 static int boot_selected_os(int argc
, char * const argv
[], int state
,
541 bootm_headers_t
*images
, boot_os_fn
*boot_fn
)
544 boot_fn(state
, argc
, argv
, images
);
546 /* Stand-alone may return when 'autostart' is 'no' */
547 if (images
->os
.type
== IH_TYPE_STANDALONE
||
548 state
== BOOTM_STATE_OS_FAKE_GO
) /* We expect to return */
550 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED
);
552 puts("\n## Control returned to monitor - resetting...\n");
554 return BOOTM_ERR_RESET
;
558 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
560 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
563 static ulong
bootm_disable_interrupts(void)
568 * We have reached the point of no return: we are going to
569 * overwrite all exception vector code, so we cannot easily
570 * recover from any failures any more...
572 iflag
= disable_interrupts();
573 #ifdef CONFIG_NETCONSOLE
574 /* Stop the ethernet stack if NetConsole could have left it up */
576 eth_unregister(eth_get_dev());
579 #if defined(CONFIG_CMD_USB)
581 * turn off USB to prevent the host controller from writing to the
582 * SDRAM while Linux is booting. This could happen (at least for OHCI
583 * controller), because the HCCA (Host Controller Communication Area)
584 * lies within the SDRAM and the host controller writes continously to
585 * this area (as busmaster!). The HccaFrameNumber is for example
586 * updated every 1 ms within the HCCA structure in SDRAM! For more
587 * details see the OpenHCI specification.
595 * Execute selected states of the bootm command.
597 * Note the arguments to this state must be the first argument, Any 'bootm'
598 * or sub-command arguments must have already been taken.
600 * Note that if states contains more than one flag it MUST contain
601 * BOOTM_STATE_START, since this handles and consumes the command line args.
603 * Also note that aside from boot_os_fn functions and bootm_load_os no other
604 * functions we store the return value of in 'ret' may use a negative return
605 * value, without special handling.
607 * @param cmdtp Pointer to bootm command table entry
608 * @param flag Command flags (CMD_FLAG_...)
609 * @param argc Number of subcommand arguments (0 = no arguments)
610 * @param argv Arguments
611 * @param states Mask containing states to run (BOOTM_STATE_...)
612 * @param images Image header information
613 * @param boot_progress 1 to show boot progress, 0 to not do this
614 * @return 0 if ok, something else on error. Some errors will cause this
615 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
616 * then the intent is to boot an OS, so this function will not return
617 * unless the image type is standalone.
619 static int do_bootm_states(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
620 char * const argv
[], int states
, bootm_headers_t
*images
,
625 int ret
= 0, need_boot_fn
;
627 images
->state
|= states
;
630 * Work through the states and see how far we get. We stop on
633 if (states
& BOOTM_STATE_START
)
634 ret
= bootm_start(cmdtp
, flag
, argc
, argv
);
636 if (!ret
&& (states
& BOOTM_STATE_FINDOS
))
637 ret
= bootm_find_os(cmdtp
, flag
, argc
, argv
);
639 if (!ret
&& (states
& BOOTM_STATE_FINDOTHER
)) {
640 ret
= bootm_find_other(cmdtp
, flag
, argc
, argv
);
641 argc
= 0; /* consume the args */
645 if (!ret
&& (states
& BOOTM_STATE_LOADOS
)) {
648 iflag
= bootm_disable_interrupts();
649 ret
= bootm_load_os(images
, &load_end
, 0);
651 lmb_reserve(&images
->lmb
, images
->os
.load
,
652 (load_end
- images
->os
.load
));
653 else if (ret
&& ret
!= BOOTM_ERR_OVERLAP
)
655 else if (ret
== BOOTM_ERR_OVERLAP
)
657 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
658 if (images
->os
.os
== IH_OS_LINUX
)
659 fixup_silent_linux();
663 /* Relocate the ramdisk */
664 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
665 if (!ret
&& (states
& BOOTM_STATE_RAMDISK
)) {
666 ulong rd_len
= images
->rd_end
- images
->rd_start
;
668 ret
= boot_ramdisk_high(&images
->lmb
, images
->rd_start
,
669 rd_len
, &images
->initrd_start
, &images
->initrd_end
);
671 setenv_hex("initrd_start", images
->initrd_start
);
672 setenv_hex("initrd_end", images
->initrd_end
);
676 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
677 if (!ret
&& (states
& BOOTM_STATE_FDT
)) {
678 boot_fdt_add_mem_rsv_regions(&images
->lmb
, images
->ft_addr
);
679 ret
= boot_relocate_fdt(&images
->lmb
, &images
->ft_addr
,
684 /* From now on, we need the OS boot function */
687 boot_fn
= boot_os
[images
->os
.os
];
688 need_boot_fn
= states
& (BOOTM_STATE_OS_CMDLINE
|
689 BOOTM_STATE_OS_BD_T
| BOOTM_STATE_OS_PREP
|
690 BOOTM_STATE_OS_FAKE_GO
| BOOTM_STATE_OS_GO
);
691 if (boot_fn
== NULL
&& need_boot_fn
) {
694 printf("ERROR: booting os '%s' (%d) is not supported\n",
695 genimg_get_os_name(images
->os
.os
), images
->os
.os
);
696 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS
);
700 /* Call various other states that are not generally used */
701 if (!ret
&& (states
& BOOTM_STATE_OS_CMDLINE
))
702 ret
= boot_fn(BOOTM_STATE_OS_CMDLINE
, argc
, argv
, images
);
703 if (!ret
&& (states
& BOOTM_STATE_OS_BD_T
))
704 ret
= boot_fn(BOOTM_STATE_OS_BD_T
, argc
, argv
, images
);
705 if (!ret
&& (states
& BOOTM_STATE_OS_PREP
))
706 ret
= boot_fn(BOOTM_STATE_OS_PREP
, argc
, argv
, images
);
709 /* Pretend to run the OS, then run a user command */
710 if (!ret
&& (states
& BOOTM_STATE_OS_FAKE_GO
)) {
711 char *cmd_list
= getenv("fakegocmd");
713 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_FAKE_GO
,
715 if (!ret
&& cmd_list
)
716 ret
= run_command_list(cmd_list
, -1, flag
);
720 /* Check for unsupported subcommand. */
722 puts("subcommand not supported\n");
726 /* Now run the OS! We hope this doesn't return */
727 if (!ret
&& (states
& BOOTM_STATE_OS_GO
))
728 ret
= boot_selected_os(argc
, argv
, BOOTM_STATE_OS_GO
,
731 /* Deal with any fallout */
736 if (ret
== BOOTM_ERR_UNIMPLEMENTED
)
737 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL
);
738 else if (ret
== BOOTM_ERR_RESET
)
739 do_reset(cmdtp
, flag
, argc
, argv
);
744 static int do_bootm_subcommand(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
751 c
= find_cmd_tbl(argv
[0], &cmd_bootm_sub
[0], ARRAY_SIZE(cmd_bootm_sub
));
755 state
= (long)c
->cmd
;
756 if (state
== BOOTM_STATE_START
)
757 state
|= BOOTM_STATE_FINDOS
| BOOTM_STATE_FINDOTHER
;
759 /* Unrecognized command */
760 return CMD_RET_USAGE
;
763 if (state
!= BOOTM_STATE_START
&& images
.state
>= state
) {
764 printf("Trying to execute a command out of order\n");
765 return CMD_RET_USAGE
;
768 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
, state
, &images
, 0);
773 /*******************************************************************/
774 /* bootm - boot application image from image in memory */
775 /*******************************************************************/
777 int do_bootm(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
779 #ifdef CONFIG_NEEDS_MANUAL_RELOC
780 static int relocated
= 0;
785 /* relocate boot function table */
786 for (i
= 0; i
< ARRAY_SIZE(boot_os
); i
++)
787 if (boot_os
[i
] != NULL
)
788 boot_os
[i
] += gd
->reloc_off
;
790 /* relocate names of sub-command table */
791 for (i
= 0; i
< ARRAY_SIZE(cmd_bootm_sub
); i
++)
792 cmd_bootm_sub
[i
].name
+= gd
->reloc_off
;
798 /* determine if we have a sub command */
803 simple_strtoul(argv
[0], &endp
, 16);
804 /* endp pointing to NULL means that argv[0] was just a
805 * valid number, pass it along to the normal bootm processing
807 * If endp is ':' or '#' assume a FIT identifier so pass
808 * along for normal processing.
810 * Right now we assume the first arg should never be '-'
812 if ((*endp
!= 0) && (*endp
!= ':') && (*endp
!= '#'))
813 return do_bootm_subcommand(cmdtp
, flag
, argc
, argv
);
816 return do_bootm_states(cmdtp
, flag
, argc
, argv
, BOOTM_STATE_START
|
817 BOOTM_STATE_FINDOS
| BOOTM_STATE_FINDOTHER
|
819 #if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
820 BOOTM_STATE_OS_CMDLINE
|
822 BOOTM_STATE_OS_PREP
| BOOTM_STATE_OS_FAKE_GO
|
823 BOOTM_STATE_OS_GO
, &images
, 1);
826 int bootm_maybe_autostart(cmd_tbl_t
*cmdtp
, const char *cmd
)
828 const char *ep
= getenv("autostart");
830 if (ep
&& !strcmp(ep
, "yes")) {
832 local_args
[0] = (char *)cmd
;
833 local_args
[1] = NULL
;
834 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr
);
835 return do_bootm(cmdtp
, 0, 1, local_args
);
842 * image_get_kernel - verify legacy format kernel image
843 * @img_addr: in RAM address of the legacy format image to be verified
844 * @verify: data CRC verification flag
846 * image_get_kernel() verifies legacy image integrity and returns pointer to
847 * legacy image header if image verification was completed successfully.
850 * pointer to a legacy image header if valid image was found
851 * otherwise return NULL
853 static image_header_t
*image_get_kernel(ulong img_addr
, int verify
)
855 image_header_t
*hdr
= (image_header_t
*)img_addr
;
857 if (!image_check_magic(hdr
)) {
858 puts("Bad Magic Number\n");
859 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC
);
862 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER
);
864 if (!image_check_hcrc(hdr
)) {
865 puts("Bad Header Checksum\n");
866 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER
);
870 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM
);
871 image_print_contents(hdr
);
874 puts(" Verifying Checksum ... ");
875 if (!image_check_dcrc(hdr
)) {
876 printf("Bad Data CRC\n");
877 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM
);
882 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH
);
884 if (!image_check_target_arch(hdr
)) {
885 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr
));
886 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH
);
893 * boot_get_kernel - find kernel image
894 * @os_data: pointer to a ulong variable, will hold os data start address
895 * @os_len: pointer to a ulong variable, will hold os data length
897 * boot_get_kernel() tries to find a kernel image, verifies its integrity
898 * and locates kernel data.
901 * pointer to image header if valid image was found, plus kernel start
902 * address and length, otherwise NULL
904 static const void *boot_get_kernel(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
905 char * const argv
[], bootm_headers_t
*images
, ulong
*os_data
,
911 #if defined(CONFIG_FIT)
912 const char *fit_uname_config
= NULL
;
913 const char *fit_uname_kernel
= NULL
;
917 /* find out kernel image address */
919 img_addr
= load_addr
;
920 debug("* kernel: default image load address = 0x%08lx\n",
922 #if defined(CONFIG_FIT)
923 } else if (fit_parse_conf(argv
[0], load_addr
, &img_addr
,
924 &fit_uname_config
)) {
925 debug("* kernel: config '%s' from image at 0x%08lx\n",
926 fit_uname_config
, img_addr
);
927 } else if (fit_parse_subimage(argv
[0], load_addr
, &img_addr
,
928 &fit_uname_kernel
)) {
929 debug("* kernel: subimage '%s' from image at 0x%08lx\n",
930 fit_uname_kernel
, img_addr
);
933 img_addr
= simple_strtoul(argv
[0], NULL
, 16);
934 debug("* kernel: cmdline image address = 0x%08lx\n", img_addr
);
937 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC
);
939 /* copy from dataflash if needed */
940 img_addr
= genimg_get_image(img_addr
);
942 /* check image type, for FIT images get FIT kernel node */
943 *os_data
= *os_len
= 0;
944 buf
= map_sysmem(img_addr
, 0);
945 switch (genimg_get_format(buf
)) {
946 case IMAGE_FORMAT_LEGACY
:
947 printf("## Booting kernel from Legacy Image at %08lx ...\n",
949 hdr
= image_get_kernel(img_addr
, images
->verify
);
952 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
954 /* get os_data and os_len */
955 switch (image_get_type(hdr
)) {
957 case IH_TYPE_KERNEL_NOLOAD
:
958 *os_data
= image_get_data(hdr
);
959 *os_len
= image_get_data_size(hdr
);
962 image_multi_getimg(hdr
, 0, os_data
, os_len
);
964 case IH_TYPE_STANDALONE
:
965 *os_data
= image_get_data(hdr
);
966 *os_len
= image_get_data_size(hdr
);
969 printf("Wrong Image Type for %s command\n",
971 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE
);
976 * copy image header to allow for image overwrites during
977 * kernel decompression.
979 memmove(&images
->legacy_hdr_os_copy
, hdr
,
980 sizeof(image_header_t
));
982 /* save pointer to image header */
983 images
->legacy_hdr_os
= hdr
;
985 images
->legacy_hdr_valid
= 1;
986 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE
);
988 #if defined(CONFIG_FIT)
989 case IMAGE_FORMAT_FIT
:
990 os_noffset
= fit_image_load(images
, FIT_KERNEL_PROP
,
992 &fit_uname_kernel
, &fit_uname_config
,
993 IH_ARCH_DEFAULT
, IH_TYPE_KERNEL
,
994 BOOTSTAGE_ID_FIT_KERNEL_START
,
995 FIT_LOAD_IGNORED
, os_data
, os_len
);
999 images
->fit_hdr_os
= map_sysmem(img_addr
, 0);
1000 images
->fit_uname_os
= fit_uname_kernel
;
1001 images
->fit_uname_cfg
= fit_uname_config
;
1002 images
->fit_noffset_os
= os_noffset
;
1006 printf("Wrong Image Format for %s command\n", cmdtp
->name
);
1007 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO
);
1011 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
1012 *os_data
, *os_len
, *os_len
);
1017 #ifdef CONFIG_SYS_LONGHELP
1018 static char bootm_help_text
[] =
1019 "[addr [arg ...]]\n - boot application image stored in memory\n"
1020 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1021 "\t'arg' can be the address of an initrd image\n"
1022 #if defined(CONFIG_OF_LIBFDT)
1023 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1024 "\ta third argument is required which is the address of the\n"
1025 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1026 "\tuse a '-' for the second argument. If you do not pass a third\n"
1027 "\ta bd_info struct will be passed instead\n"
1029 #if defined(CONFIG_FIT)
1030 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1031 "\tmust be extened to include component or configuration unit name:\n"
1032 "\taddr:<subimg_uname> - direct component image specification\n"
1033 "\taddr#<conf_uname> - configuration specification\n"
1034 "\tUse iminfo command to get the list of existing component\n"
1035 "\timages and configurations.\n"
1037 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1039 "issued in the order below (it's ok to not issue all sub-commands):\n"
1040 "\tstart [addr [arg ...]]\n"
1041 "\tloados - load OS image\n"
1042 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
1043 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1045 #if defined(CONFIG_OF_LIBFDT)
1046 "\tfdt - relocate flat device tree\n"
1048 "\tcmdline - OS specific command line processing/setup\n"
1049 "\tbdt - OS specific bd_t processing\n"
1050 "\tprep - OS specific prep before relocation or go\n"
1055 bootm
, CONFIG_SYS_MAXARGS
, 1, do_bootm
,
1056 "boot application image from memory", bootm_help_text
1059 /*******************************************************************/
1060 /* bootd - boot default image */
1061 /*******************************************************************/
1062 #if defined(CONFIG_CMD_BOOTD)
1063 int do_bootd(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1067 if (run_command(getenv("bootcmd"), flag
) < 0)
1073 boot
, 1, 1, do_bootd
,
1074 "boot default, i.e., run 'bootcmd'",
1078 /* keep old command name "bootd" for backward compatibility */
1080 bootd
, 1, 1, do_bootd
,
1081 "boot default, i.e., run 'bootcmd'",
1088 /*******************************************************************/
1089 /* iminfo - print header info for a requested image */
1090 /*******************************************************************/
1091 #if defined(CONFIG_CMD_IMI)
1092 static int do_iminfo(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1099 return image_info(load_addr
);
1102 for (arg
= 1; arg
< argc
; ++arg
) {
1103 addr
= simple_strtoul(argv
[arg
], NULL
, 16);
1104 if (image_info(addr
) != 0)
1110 static int image_info(ulong addr
)
1112 void *hdr
= (void *)addr
;
1114 printf("\n## Checking Image at %08lx ...\n", addr
);
1116 switch (genimg_get_format(hdr
)) {
1117 case IMAGE_FORMAT_LEGACY
:
1118 puts(" Legacy image found\n");
1119 if (!image_check_magic(hdr
)) {
1120 puts(" Bad Magic Number\n");
1124 if (!image_check_hcrc(hdr
)) {
1125 puts(" Bad Header Checksum\n");
1129 image_print_contents(hdr
);
1131 puts(" Verifying Checksum ... ");
1132 if (!image_check_dcrc(hdr
)) {
1133 puts(" Bad Data CRC\n");
1138 #if defined(CONFIG_FIT)
1139 case IMAGE_FORMAT_FIT
:
1140 puts(" FIT image found\n");
1142 if (!fit_check_format(hdr
)) {
1143 puts("Bad FIT image format!\n");
1147 fit_print_contents(hdr
);
1149 if (!fit_all_image_verify(hdr
)) {
1150 puts("Bad hash in FIT image!\n");
1157 puts("Unknown image format!\n");
1165 iminfo
, CONFIG_SYS_MAXARGS
, 1, do_iminfo
,
1166 "print header information for application image",
1168 " - print header information for application image starting at\n"
1169 " address 'addr' in memory; this includes verification of the\n"
1170 " image contents (magic number, header and payload checksums)"
1175 /*******************************************************************/
1176 /* imls - list all images found in flash */
1177 /*******************************************************************/
1178 #if defined(CONFIG_CMD_IMLS)
1179 static int do_imls_nor(void)
1185 for (i
= 0, info
= &flash_info
[0];
1186 i
< CONFIG_SYS_MAX_FLASH_BANKS
; ++i
, ++info
) {
1188 if (info
->flash_id
== FLASH_UNKNOWN
)
1190 for (j
= 0; j
< info
->sector_count
; ++j
) {
1192 hdr
= (void *)info
->start
[j
];
1196 switch (genimg_get_format(hdr
)) {
1197 case IMAGE_FORMAT_LEGACY
:
1198 if (!image_check_hcrc(hdr
))
1201 printf("Legacy Image at %08lX:\n", (ulong
)hdr
);
1202 image_print_contents(hdr
);
1204 puts(" Verifying Checksum ... ");
1205 if (!image_check_dcrc(hdr
)) {
1206 puts("Bad Data CRC\n");
1211 #if defined(CONFIG_FIT)
1212 case IMAGE_FORMAT_FIT
:
1213 if (!fit_check_format(hdr
))
1216 printf("FIT Image at %08lX:\n", (ulong
)hdr
);
1217 fit_print_contents(hdr
);
1232 #if defined(CONFIG_CMD_IMLS_NAND)
1233 static int nand_imls_legacyimage(nand_info_t
*nand
, int nand_dev
, loff_t off
,
1239 imgdata
= malloc(len
);
1241 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1243 printf(" Low memory(cannot allocate memory for image)\n");
1247 ret
= nand_read_skip_bad(nand
, off
, &len
,
1249 if (ret
< 0 && ret
!= -EUCLEAN
) {
1254 if (!image_check_hcrc(imgdata
)) {
1259 printf("Legacy Image at NAND device %d offset %08llX:\n",
1261 image_print_contents(imgdata
);
1263 puts(" Verifying Checksum ... ");
1264 if (!image_check_dcrc(imgdata
))
1265 puts("Bad Data CRC\n");
1274 static int nand_imls_fitimage(nand_info_t
*nand
, int nand_dev
, loff_t off
,
1280 imgdata
= malloc(len
);
1282 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1284 printf(" Low memory(cannot allocate memory for image)\n");
1288 ret
= nand_read_skip_bad(nand
, off
, &len
,
1290 if (ret
< 0 && ret
!= -EUCLEAN
) {
1295 if (!fit_check_format(imgdata
)) {
1300 printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev
, off
);
1302 fit_print_contents(imgdata
);
1308 static int do_imls_nand(void)
1311 int nand_dev
= nand_curr_device
;
1316 if (nand_dev
< 0 || nand_dev
>= CONFIG_SYS_MAX_NAND_DEVICE
) {
1317 puts("\nNo NAND devices available\n");
1323 for (nand_dev
= 0; nand_dev
< CONFIG_SYS_MAX_NAND_DEVICE
; nand_dev
++) {
1324 nand
= &nand_info
[nand_dev
];
1325 if (!nand
->name
|| !nand
->size
)
1328 for (off
= 0; off
< nand
->size
; off
+= nand
->erasesize
) {
1329 const image_header_t
*header
;
1332 if (nand_block_isbad(nand
, off
))
1335 len
= sizeof(buffer
);
1337 ret
= nand_read(nand
, off
, &len
, (u8
*)buffer
);
1338 if (ret
< 0 && ret
!= -EUCLEAN
) {
1339 printf("NAND read error %d at offset %08llX\n",
1344 switch (genimg_get_format(buffer
)) {
1345 case IMAGE_FORMAT_LEGACY
:
1346 header
= (const image_header_t
*)buffer
;
1348 len
= image_get_image_size(header
);
1349 nand_imls_legacyimage(nand
, nand_dev
, off
, len
);
1351 #if defined(CONFIG_FIT)
1352 case IMAGE_FORMAT_FIT
:
1353 len
= fit_get_size(buffer
);
1354 nand_imls_fitimage(nand
, nand_dev
, off
, len
);
1365 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1366 static int do_imls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1368 int ret_nor
= 0, ret_nand
= 0;
1370 #if defined(CONFIG_CMD_IMLS)
1371 ret_nor
= do_imls_nor();
1374 #if defined(CONFIG_CMD_IMLS_NAND)
1375 ret_nand
= do_imls_nand();
1388 imls
, 1, 1, do_imls
,
1389 "list all images found in flash",
1391 " - Prints information about all images found at sector/block\n"
1392 " boundaries in nor/nand flash."
1396 /*******************************************************************/
1397 /* helper routines */
1398 /*******************************************************************/
1399 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1401 #define CONSOLE_ARG "console="
1402 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1404 static void fixup_silent_linux(void)
1407 const char *env_val
;
1408 char *cmdline
= getenv("bootargs");
1412 * Only fix cmdline when requested. The environment variable can be:
1414 * no - we never fixup
1415 * yes - we always fixup
1416 * unset - we rely on the console silent flag
1418 want_silent
= getenv_yesno("silent_linux");
1419 if (want_silent
== 0)
1421 else if (want_silent
== -1 && !(gd
->flags
& GD_FLG_SILENT
))
1424 debug("before silent fix-up: %s\n", cmdline
);
1425 if (cmdline
&& (cmdline
[0] != '\0')) {
1426 char *start
= strstr(cmdline
, CONSOLE_ARG
);
1428 /* Allocate space for maximum possible new command line */
1429 buf
= malloc(strlen(cmdline
) + 1 + CONSOLE_ARG_LEN
+ 1);
1431 debug("%s: out of memory\n", __func__
);
1436 char *end
= strchr(start
, ' ');
1437 int num_start_bytes
= start
- cmdline
+ CONSOLE_ARG_LEN
;
1439 strncpy(buf
, cmdline
, num_start_bytes
);
1441 strcpy(buf
+ num_start_bytes
, end
);
1443 buf
[num_start_bytes
] = '\0';
1445 sprintf(buf
, "%s %s", cmdline
, CONSOLE_ARG
);
1450 env_val
= CONSOLE_ARG
;
1453 setenv("bootargs", env_val
);
1454 debug("after silent fix-up: %s\n", env_val
);
1457 #endif /* CONFIG_SILENT_CONSOLE */
1459 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
1460 static void copy_args(char *dest
, int argc
, char * const argv
[], char delim
)
1464 for (i
= 0; i
< argc
; i
++) {
1467 strcpy(dest
, argv
[i
]);
1468 dest
+= strlen(argv
[i
]);
1473 /*******************************************************************/
1474 /* OS booting routines */
1475 /*******************************************************************/
1477 #ifdef CONFIG_BOOTM_NETBSD
1478 static int do_bootm_netbsd(int flag
, int argc
, char * const argv
[],
1479 bootm_headers_t
*images
)
1481 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
1482 image_header_t
*os_hdr
, *hdr
;
1483 ulong kernel_data
, kernel_len
;
1487 if (flag
!= BOOTM_STATE_OS_GO
)
1490 #if defined(CONFIG_FIT)
1491 if (!images
->legacy_hdr_valid
) {
1492 fit_unsupported_reset("NetBSD");
1496 hdr
= images
->legacy_hdr_os
;
1499 * Booting a (NetBSD) kernel image
1501 * This process is pretty similar to a standalone application:
1502 * The (first part of an multi-) image must be a stage-2 loader,
1503 * which in turn is responsible for loading & invoking the actual
1504 * kernel. The only differences are the parameters being passed:
1505 * besides the board info strucure, the loader expects a command
1506 * line, the name of the console device, and (optionally) the
1507 * address of the original image header.
1510 if (image_check_type(&images
->legacy_hdr_os_copy
, IH_TYPE_MULTI
)) {
1511 image_multi_getimg(hdr
, 1, &kernel_data
, &kernel_len
);
1517 #if defined(CONFIG_8xx_CONS_SMC1)
1519 #elif defined(CONFIG_8xx_CONS_SMC2)
1521 #elif defined(CONFIG_8xx_CONS_SCC2)
1523 #elif defined(CONFIG_8xx_CONS_SCC3)
1531 for (i
= 0, len
= 0; i
< argc
; i
+= 1)
1532 len
+= strlen(argv
[i
]) + 1;
1533 cmdline
= malloc(len
);
1534 copy_args(cmdline
, argc
, argv
, ' ');
1535 } else if ((cmdline
= getenv("bootargs")) == NULL
) {
1539 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *))images
->ep
;
1541 printf("## Transferring control to NetBSD stage-2 loader "
1542 "(at address %08lx) ...\n",
1545 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1548 * NetBSD Stage-2 Loader Parameters:
1549 * arg[0]: pointer to board info data
1550 * arg[1]: image load address
1551 * arg[2]: char pointer to the console device to use
1552 * arg[3]: char pointer to the boot arguments
1554 (*loader
)(gd
->bd
, os_hdr
, consdev
, cmdline
);
1558 #endif /* CONFIG_BOOTM_NETBSD*/
1560 #ifdef CONFIG_LYNXKDI
1561 static int do_bootm_lynxkdi(int flag
, int argc
, char * const argv
[],
1562 bootm_headers_t
*images
)
1564 image_header_t
*hdr
= &images
->legacy_hdr_os_copy
;
1566 if (flag
!= BOOTM_STATE_OS_GO
)
1569 #if defined(CONFIG_FIT)
1570 if (!images
->legacy_hdr_valid
) {
1571 fit_unsupported_reset("Lynx");
1576 lynxkdi_boot((image_header_t
*)hdr
);
1580 #endif /* CONFIG_LYNXKDI */
1582 #ifdef CONFIG_BOOTM_RTEMS
1583 static int do_bootm_rtems(int flag
, int argc
, char * const argv
[],
1584 bootm_headers_t
*images
)
1586 void (*entry_point
)(bd_t
*);
1588 if (flag
!= BOOTM_STATE_OS_GO
)
1591 #if defined(CONFIG_FIT)
1592 if (!images
->legacy_hdr_valid
) {
1593 fit_unsupported_reset("RTEMS");
1598 entry_point
= (void (*)(bd_t
*))images
->ep
;
1600 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1601 (ulong
)entry_point
);
1603 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1607 * r3: ptr to board info data
1609 (*entry_point
)(gd
->bd
);
1613 #endif /* CONFIG_BOOTM_RTEMS */
1615 #if defined(CONFIG_BOOTM_OSE)
1616 static int do_bootm_ose(int flag
, int argc
, char * const argv
[],
1617 bootm_headers_t
*images
)
1619 void (*entry_point
)(void);
1621 if (flag
!= BOOTM_STATE_OS_GO
)
1624 #if defined(CONFIG_FIT)
1625 if (!images
->legacy_hdr_valid
) {
1626 fit_unsupported_reset("OSE");
1631 entry_point
= (void (*)(void))images
->ep
;
1633 printf("## Transferring control to OSE (at address %08lx) ...\n",
1634 (ulong
)entry_point
);
1636 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1646 #endif /* CONFIG_BOOTM_OSE */
1648 #if defined(CONFIG_BOOTM_PLAN9)
1649 static int do_bootm_plan9(int flag
, int argc
, char * const argv
[],
1650 bootm_headers_t
*images
)
1652 void (*entry_point
)(void);
1655 if (flag
!= BOOTM_STATE_OS_GO
)
1658 #if defined(CONFIG_FIT)
1659 if (!images
->legacy_hdr_valid
) {
1660 fit_unsupported_reset("Plan 9");
1665 /* See README.plan9 */
1666 s
= getenv("confaddr");
1668 char *confaddr
= (char *)simple_strtoul(s
, NULL
, 16);
1671 copy_args(confaddr
, argc
, argv
, '\n');
1673 s
= getenv("bootargs");
1675 strcpy(confaddr
, s
);
1679 entry_point
= (void (*)(void))images
->ep
;
1681 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1682 (ulong
)entry_point
);
1684 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1687 * Plan 9 Parameters:
1694 #endif /* CONFIG_BOOTM_PLAN9 */
1696 #if defined(CONFIG_BOOTM_VXWORKS) && \
1697 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
1699 void do_bootvx_fdt(bootm_headers_t
*images
)
1701 #if defined(CONFIG_OF_LIBFDT)
1704 ulong of_size
= images
->ft_len
;
1705 char **of_flat_tree
= &images
->ft_addr
;
1706 struct lmb
*lmb
= &images
->lmb
;
1708 if (*of_flat_tree
) {
1709 boot_fdt_add_mem_rsv_regions(lmb
, *of_flat_tree
);
1711 ret
= boot_relocate_fdt(lmb
, of_flat_tree
, &of_size
);
1715 ret
= fdt_add_subnode(*of_flat_tree
, 0, "chosen");
1716 if ((ret
>= 0 || ret
== -FDT_ERR_EXISTS
)) {
1717 bootline
= getenv("bootargs");
1719 ret
= fdt_find_and_setprop(*of_flat_tree
,
1720 "/chosen", "bootargs",
1722 strlen(bootline
) + 1, 1);
1724 printf("## ERROR: %s : %s\n", __func__
,
1730 printf("## ERROR: %s : %s\n", __func__
,
1737 boot_prep_vxworks(images
);
1739 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1741 #if defined(CONFIG_OF_LIBFDT)
1742 printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n",
1743 (ulong
)images
->ep
, (ulong
)*of_flat_tree
);
1745 printf("## Starting vxWorks at 0x%08lx\n", (ulong
)images
->ep
);
1748 boot_jump_vxworks(images
);
1750 puts("## vxWorks terminated\n");
1753 static int do_bootm_vxworks(int flag
, int argc
, char * const argv
[],
1754 bootm_headers_t
*images
)
1756 if (flag
!= BOOTM_STATE_OS_GO
)
1759 #if defined(CONFIG_FIT)
1760 if (!images
->legacy_hdr_valid
) {
1761 fit_unsupported_reset("VxWorks");
1766 do_bootvx_fdt(images
);
1772 #if defined(CONFIG_CMD_ELF)
1773 static int do_bootm_qnxelf(int flag
, int argc
, char * const argv
[],
1774 bootm_headers_t
*images
)
1776 char *local_args
[2];
1779 if (flag
!= BOOTM_STATE_OS_GO
)
1782 #if defined(CONFIG_FIT)
1783 if (!images
->legacy_hdr_valid
) {
1784 fit_unsupported_reset("QNX");
1789 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
1790 local_args
[0] = argv
[0];
1791 local_args
[1] = str
; /* and provide it via the arguments */
1792 do_bootelf(NULL
, 0, 2, local_args
);
1798 #ifdef CONFIG_INTEGRITY
1799 static int do_bootm_integrity(int flag
, int argc
, char * const argv
[],
1800 bootm_headers_t
*images
)
1802 void (*entry_point
)(void);
1804 if (flag
!= BOOTM_STATE_OS_GO
)
1807 #if defined(CONFIG_FIT)
1808 if (!images
->legacy_hdr_valid
) {
1809 fit_unsupported_reset("INTEGRITY");
1814 entry_point
= (void (*)(void))images
->ep
;
1816 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1817 (ulong
)entry_point
);
1819 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
1822 * INTEGRITY Parameters:
1831 #ifdef CONFIG_CMD_BOOTZ
1833 int __weak
bootz_setup(ulong image
, ulong
*start
, ulong
*end
)
1835 /* Please define bootz_setup() for your platform */
1837 puts("Your platform's zImage format isn't supported yet!\n");
1842 * zImage booting support
1844 static int bootz_start(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
1845 char * const argv
[], bootm_headers_t
*images
)
1848 ulong zi_start
, zi_end
;
1850 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
, BOOTM_STATE_START
,
1853 /* Setup Linux kernel zImage entry point */
1855 images
->ep
= load_addr
;
1856 debug("* kernel: default image load address = 0x%08lx\n",
1859 images
->ep
= simple_strtoul(argv
[0], NULL
, 16);
1860 debug("* kernel: cmdline image address = 0x%08lx\n",
1864 ret
= bootz_setup(images
->ep
, &zi_start
, &zi_end
);
1868 lmb_reserve(&images
->lmb
, images
->ep
, zi_end
- zi_start
);
1871 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
1872 * have a header that provide this informaiton.
1874 if (bootm_find_ramdisk(flag
, argc
, argv
))
1877 #if defined(CONFIG_OF_LIBFDT)
1878 if (bootm_find_fdt(flag
, argc
, argv
))
1885 int do_bootz(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
1889 /* Consume 'bootz' */
1892 if (bootz_start(cmdtp
, flag
, argc
, argv
, &images
))
1896 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
1897 * disable interrupts ourselves
1899 bootm_disable_interrupts();
1901 images
.os
.os
= IH_OS_LINUX
;
1902 ret
= do_bootm_states(cmdtp
, flag
, argc
, argv
,
1903 BOOTM_STATE_OS_PREP
| BOOTM_STATE_OS_FAKE_GO
|
1910 #ifdef CONFIG_SYS_LONGHELP
1911 static char bootz_help_text
[] =
1912 "[addr [initrd[:size]] [fdt]]\n"
1913 " - boot Linux zImage stored in memory\n"
1914 "\tThe argument 'initrd' is optional and specifies the address\n"
1915 "\tof the initrd in memory. The optional argument ':size' allows\n"
1916 "\tspecifying the size of RAW initrd.\n"
1917 #if defined(CONFIG_OF_LIBFDT)
1918 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1919 "\ta third argument is required which is the address of the\n"
1920 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1921 "\tuse a '-' for the second argument. If you do not pass a third\n"
1922 "\ta bd_info struct will be passed instead\n"
1928 bootz
, CONFIG_SYS_MAXARGS
, 1, do_bootz
,
1929 "boot Linux zImage image from memory", bootz_help_text
1931 #endif /* CONFIG_CMD_BOOTZ */