2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <u-boot/zlib.h>
35 #include <environment.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
40 #if defined(CONFIG_CMD_USB)
44 #ifdef CONFIG_SYS_HUSH_PARSER
48 #if defined(CONFIG_OF_LIBFDT)
51 #include <fdt_support.h>
55 #include <lzma/LzmaTypes.h>
56 #include <lzma/LzmaDec.h>
57 #include <lzma/LzmaTools.h>
58 #endif /* CONFIG_LZMA */
61 #include <linux/lzo.h>
62 #endif /* CONFIG_LZO */
64 DECLARE_GLOBAL_DATA_PTR;
66 #ifndef CONFIG_SYS_BOOTM_LEN
67 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
71 extern void bz_internal_error(int);
74 #if defined(CONFIG_CMD_IMI)
75 static int image_info (unsigned long addr);
78 #if defined(CONFIG_CMD_IMLS)
80 #include <mtd/cfi_flash.h>
81 extern flash_info_t flash_info[]; /* info for FLASH chips */
82 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
85 #ifdef CONFIG_SILENT_CONSOLE
86 static void fixup_silent_linux (void);
89 static image_header_t *image_get_kernel (ulong img_addr, int verify);
90 #if defined(CONFIG_FIT)
91 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
94 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char * const argv[],
95 bootm_headers_t *images, ulong *os_data, ulong *os_len);
98 * Continue booting an OS image; caller already has:
99 * - copied image header to global variable `header'
100 * - checked header magic number, checksums (both header & image),
101 * - verified image architecture (PPC) and type (KERNEL or MULTI),
102 * - loaded (first part of) image to header load address,
103 * - disabled interrupts.
105 typedef int boot_os_fn (int flag, int argc, char * const argv[],
106 bootm_headers_t *images); /* pointers to os/initrd/fdt */
108 #ifdef CONFIG_BOOTM_LINUX
109 extern boot_os_fn do_bootm_linux;
111 #ifdef CONFIG_BOOTM_NETBSD
112 static boot_os_fn do_bootm_netbsd;
114 #if defined(CONFIG_LYNXKDI)
115 static boot_os_fn do_bootm_lynxkdi;
116 extern void lynxkdi_boot (image_header_t *);
118 #ifdef CONFIG_BOOTM_RTEMS
119 static boot_os_fn do_bootm_rtems;
121 #if defined(CONFIG_BOOTM_OSE)
122 static boot_os_fn do_bootm_ose;
124 #if defined(CONFIG_CMD_ELF)
125 static boot_os_fn do_bootm_vxworks;
126 static boot_os_fn do_bootm_qnxelf;
127 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
128 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
130 #if defined(CONFIG_INTEGRITY)
131 static boot_os_fn do_bootm_integrity;
134 static boot_os_fn *boot_os[] = {
135 #ifdef CONFIG_BOOTM_LINUX
136 [IH_OS_LINUX] = do_bootm_linux,
138 #ifdef CONFIG_BOOTM_NETBSD
139 [IH_OS_NETBSD] = do_bootm_netbsd,
141 #ifdef CONFIG_LYNXKDI
142 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
144 #ifdef CONFIG_BOOTM_RTEMS
145 [IH_OS_RTEMS] = do_bootm_rtems,
147 #if defined(CONFIG_BOOTM_OSE)
148 [IH_OS_OSE] = do_bootm_ose,
150 #if defined(CONFIG_CMD_ELF)
151 [IH_OS_VXWORKS] = do_bootm_vxworks,
152 [IH_OS_QNX] = do_bootm_qnxelf,
154 #ifdef CONFIG_INTEGRITY
155 [IH_OS_INTEGRITY] = do_bootm_integrity,
159 bootm_headers_t images; /* pointers to os/initrd/fdt images */
161 /* Allow for arch specific config before we boot */
162 void __arch_preboot_os(void)
164 /* please define platform specific arch_preboot_os() */
166 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
168 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
170 static void bootm_start_lmb(void)
174 phys_size_t mem_size;
176 lmb_init(&images.lmb);
178 mem_start = getenv_bootm_low();
179 mem_size = getenv_bootm_size();
181 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
183 arch_lmb_reserve(&images.lmb);
184 board_lmb_reserve(&images.lmb);
186 # define lmb_reserve(lmb, base, size)
190 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
195 memset ((void *)&images, 0, sizeof (images));
196 images.verify = getenv_yesno ("verify");
200 /* get kernel image header, start address and length */
201 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
202 &images, &images.os.image_start, &images.os.image_len);
203 if (images.os.image_len == 0) {
204 puts ("ERROR: can't get kernel image!\n");
208 /* get image parameters */
209 switch (genimg_get_format (os_hdr)) {
210 case IMAGE_FORMAT_LEGACY:
211 images.os.type = image_get_type (os_hdr);
212 images.os.comp = image_get_comp (os_hdr);
213 images.os.os = image_get_os (os_hdr);
215 images.os.end = image_get_image_end (os_hdr);
216 images.os.load = image_get_load (os_hdr);
218 #if defined(CONFIG_FIT)
219 case IMAGE_FORMAT_FIT:
220 if (fit_image_get_type (images.fit_hdr_os,
221 images.fit_noffset_os, &images.os.type)) {
222 puts ("Can't get image type!\n");
223 show_boot_progress (-109);
227 if (fit_image_get_comp (images.fit_hdr_os,
228 images.fit_noffset_os, &images.os.comp)) {
229 puts ("Can't get image compression!\n");
230 show_boot_progress (-110);
234 if (fit_image_get_os (images.fit_hdr_os,
235 images.fit_noffset_os, &images.os.os)) {
236 puts ("Can't get image OS!\n");
237 show_boot_progress (-111);
241 images.os.end = fit_get_end (images.fit_hdr_os);
243 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
245 puts ("Can't get image load address!\n");
246 show_boot_progress (-112);
252 puts ("ERROR: unknown image format type!\n");
256 /* find kernel entry point */
257 if (images.legacy_hdr_valid) {
258 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
259 #if defined(CONFIG_FIT)
260 } else if (images.fit_uname_os) {
261 ret = fit_image_get_entry (images.fit_hdr_os,
262 images.fit_noffset_os, &images.ep);
264 puts ("Can't get entry point property!\n");
269 puts ("Could not find kernel entry point!\n");
273 if (((images.os.type == IH_TYPE_KERNEL) ||
274 (images.os.type == IH_TYPE_MULTI)) &&
275 (images.os.os == IH_OS_LINUX)) {
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 #if defined(CONFIG_OF_LIBFDT)
285 /* find flattened device tree */
286 ret = boot_get_fdt (flag, argc, argv, &images,
287 &images.ft_addr, &images.ft_len);
289 puts ("Could not find a valid device tree\n");
293 set_working_fdt_addr(images.ft_addr);
297 images.os.start = (ulong)os_hdr;
298 images.state = BOOTM_STATE_START;
303 #define BOOTM_ERR_RESET -1
304 #define BOOTM_ERR_OVERLAP -2
305 #define BOOTM_ERR_UNIMPLEMENTED -3
306 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
308 uint8_t comp = os.comp;
309 ulong load = os.load;
310 ulong blob_start = os.start;
311 ulong blob_end = os.end;
312 ulong image_start = os.image_start;
313 ulong image_len = os.image_len;
314 uint unc_len = CONFIG_SYS_BOOTM_LEN;
315 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
317 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
319 const char *type_name = genimg_get_type_name (os.type);
323 if (load == blob_start || load == image_start) {
324 printf (" XIP %s ... ", type_name);
326 printf (" Loading %s ... ", type_name);
327 memmove_wd ((void *)load, (void *)image_start,
330 *load_end = load + image_len;
335 printf (" Uncompressing %s ... ", type_name);
336 if (gunzip ((void *)load, unc_len,
337 (uchar *)image_start, &image_len) != 0) {
338 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
339 "- must RESET board to recover\n");
341 show_boot_progress (-6);
342 return BOOTM_ERR_RESET;
345 *load_end = load + image_len;
347 #endif /* CONFIG_GZIP */
350 printf (" Uncompressing %s ... ", type_name);
352 * If we've got less than 4 MB of malloc() space,
353 * use slower decompression algorithm which requires
354 * at most 2300 KB of memory.
356 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
357 &unc_len, (char *)image_start, image_len,
358 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
360 printf ("BUNZIP2: uncompress or overwrite error %d "
361 "- must RESET board to recover\n", i);
363 show_boot_progress (-6);
364 return BOOTM_ERR_RESET;
367 *load_end = load + unc_len;
369 #endif /* CONFIG_BZIP2 */
372 SizeT lzma_len = unc_len;
373 printf (" Uncompressing %s ... ", type_name);
375 ret = lzmaBuffToBuffDecompress(
376 (unsigned char *)load, &lzma_len,
377 (unsigned char *)image_start, image_len);
380 printf ("LZMA: uncompress or overwrite error %d "
381 "- must RESET board to recover\n", ret);
382 show_boot_progress (-6);
383 return BOOTM_ERR_RESET;
385 *load_end = load + unc_len;
388 #endif /* CONFIG_LZMA */
391 printf (" Uncompressing %s ... ", type_name);
393 ret = lzop_decompress((const unsigned char *)image_start,
394 image_len, (unsigned char *)load,
396 if (ret != LZO_E_OK) {
397 printf ("LZO: uncompress or overwrite error %d "
398 "- must RESET board to recover\n", ret);
400 show_boot_progress (-6);
401 return BOOTM_ERR_RESET;
404 *load_end = load + unc_len;
406 #endif /* CONFIG_LZO */
408 printf ("Unimplemented compression type %d\n", comp);
409 return BOOTM_ERR_UNIMPLEMENTED;
412 flush_cache(load, (*load_end - load) * sizeof(ulong));
415 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
417 show_boot_progress (7);
419 if ((load < blob_end) && (*load_end > blob_start)) {
420 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
421 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
423 return BOOTM_ERR_OVERLAP;
429 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
432 int (*appl)(int, char * const []);
434 /* Don't start if "autostart" is set to "no" */
435 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
437 sprintf(buf, "%lX", images.os.image_len);
438 setenv("filesize", buf);
441 appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
442 (*appl)(argc-1, &argv[1]);
446 /* we overload the cmd field with our state machine info instead of a
447 * function pointer */
448 static cmd_tbl_t cmd_bootm_sub[] = {
449 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
450 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
451 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
452 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
454 #ifdef CONFIG_OF_LIBFDT
455 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
457 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
458 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
459 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
460 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
463 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
470 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
473 state = (long)c->cmd;
475 /* treat start special since it resets the state machine */
476 if (state == BOOTM_STATE_START) {
479 return bootm_start(cmdtp, flag, argc, argv);
482 /* Unrecognized command */
483 return cmd_usage(cmdtp);
486 if (images.state >= state) {
487 printf ("Trying to execute a command out of order\n");
488 return cmd_usage(cmdtp);
491 images.state |= state;
492 boot_fn = boot_os[images.os.os];
496 case BOOTM_STATE_START:
497 /* should never occur */
499 case BOOTM_STATE_LOADOS:
500 ret = bootm_load_os(images.os, &load_end, 0);
504 lmb_reserve(&images.lmb, images.os.load,
505 (load_end - images.os.load));
507 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
508 case BOOTM_STATE_RAMDISK:
510 ulong rd_len = images.rd_end - images.rd_start;
513 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
514 rd_len, &images.initrd_start, &images.initrd_end);
518 sprintf(str, "%lx", images.initrd_start);
519 setenv("initrd_start", str);
520 sprintf(str, "%lx", images.initrd_end);
521 setenv("initrd_end", str);
525 #if defined(CONFIG_OF_LIBFDT)
526 case BOOTM_STATE_FDT:
528 boot_fdt_add_mem_rsv_regions(&images.lmb,
530 ret = boot_relocate_fdt(&images.lmb,
531 &images.ft_addr, &images.ft_len);
535 case BOOTM_STATE_OS_CMDLINE:
536 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
538 printf ("cmdline subcommand not supported\n");
540 case BOOTM_STATE_OS_BD_T:
541 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
543 printf ("bdt subcommand not supported\n");
545 case BOOTM_STATE_OS_PREP:
546 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
548 printf ("prep subcommand not supported\n");
550 case BOOTM_STATE_OS_GO:
551 disable_interrupts();
553 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
560 /*******************************************************************/
561 /* bootm - boot application image from image in memory */
562 /*******************************************************************/
564 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
570 #ifdef CONFIG_NEEDS_MANUAL_RELOC
571 static int relocated = 0;
573 /* relocate boot function table */
576 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
577 if (boot_os[i] != NULL)
578 boot_os[i] += gd->reloc_off;
583 /* determine if we have a sub command */
587 simple_strtoul(argv[1], &endp, 16);
588 /* endp pointing to NULL means that argv[1] was just a
589 * valid number, pass it along to the normal bootm processing
591 * If endp is ':' or '#' assume a FIT identifier so pass
592 * along for normal processing.
594 * Right now we assume the first arg should never be '-'
596 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
597 return do_bootm_subcommand(cmdtp, flag, argc, argv);
600 if (bootm_start(cmdtp, flag, argc, argv))
604 * We have reached the point of no return: we are going to
605 * overwrite all exception vector code, so we cannot easily
606 * recover from any failures any more...
608 iflag = disable_interrupts();
610 #if defined(CONFIG_CMD_USB)
612 * turn off USB to prevent the host controller from writing to the
613 * SDRAM while Linux is booting. This could happen (at least for OHCI
614 * controller), because the HCCA (Host Controller Communication Area)
615 * lies within the SDRAM and the host controller writes continously to
616 * this area (as busmaster!). The HccaFrameNumber is for example
617 * updated every 1 ms within the HCCA structure in SDRAM! For more
618 * details see the OpenHCI specification.
623 ret = bootm_load_os(images.os, &load_end, 1);
626 if (ret == BOOTM_ERR_RESET)
627 do_reset (cmdtp, flag, argc, argv);
628 if (ret == BOOTM_ERR_OVERLAP) {
629 if (images.legacy_hdr_valid) {
630 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
631 puts ("WARNING: legacy format multi component "
632 "image overwritten\n");
634 puts ("ERROR: new format image overwritten - "
635 "must RESET the board to recover\n");
636 show_boot_progress (-113);
637 do_reset (cmdtp, flag, argc, argv);
640 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
643 show_boot_progress (-7);
648 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
650 if (images.os.type == IH_TYPE_STANDALONE) {
653 /* This may return when 'autostart' is 'no' */
654 bootm_start_standalone(iflag, argc, argv);
658 show_boot_progress (8);
660 #ifdef CONFIG_SILENT_CONSOLE
661 if (images.os.os == IH_OS_LINUX)
662 fixup_silent_linux();
665 boot_fn = boot_os[images.os.os];
667 if (boot_fn == NULL) {
670 printf ("ERROR: booting os '%s' (%d) is not supported\n",
671 genimg_get_os_name(images.os.os), images.os.os);
672 show_boot_progress (-8);
678 boot_fn(0, argc, argv, &images);
680 show_boot_progress (-9);
682 puts ("\n## Control returned to monitor - resetting...\n");
684 do_reset (cmdtp, flag, argc, argv);
689 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
691 const char *ep = getenv("autostart");
693 if (ep && !strcmp(ep, "yes")) {
695 local_args[0] = (char *)cmd;
696 local_args[1] = NULL;
697 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
698 return do_bootm(cmdtp, 0, 1, local_args);
705 * image_get_kernel - verify legacy format kernel image
706 * @img_addr: in RAM address of the legacy format image to be verified
707 * @verify: data CRC verification flag
709 * image_get_kernel() verifies legacy image integrity and returns pointer to
710 * legacy image header if image verification was completed successfully.
713 * pointer to a legacy image header if valid image was found
714 * otherwise return NULL
716 static image_header_t *image_get_kernel (ulong img_addr, int verify)
718 image_header_t *hdr = (image_header_t *)img_addr;
720 if (!image_check_magic(hdr)) {
721 puts ("Bad Magic Number\n");
722 show_boot_progress (-1);
725 show_boot_progress (2);
727 if (!image_check_hcrc (hdr)) {
728 puts ("Bad Header Checksum\n");
729 show_boot_progress (-2);
733 show_boot_progress (3);
734 image_print_contents (hdr);
737 puts (" Verifying Checksum ... ");
738 if (!image_check_dcrc (hdr)) {
739 printf ("Bad Data CRC\n");
740 show_boot_progress (-3);
745 show_boot_progress (4);
747 if (!image_check_target_arch (hdr)) {
748 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
749 show_boot_progress (-4);
756 * fit_check_kernel - verify FIT format kernel subimage
757 * @fit_hdr: pointer to the FIT image header
758 * os_noffset: kernel subimage node offset within FIT image
759 * @verify: data CRC verification flag
761 * fit_check_kernel() verifies integrity of the kernel subimage and from
762 * specified FIT image.
768 #if defined (CONFIG_FIT)
769 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
771 fit_image_print (fit, os_noffset, " ");
774 puts (" Verifying Hash Integrity ... ");
775 if (!fit_image_check_hashes (fit, os_noffset)) {
776 puts ("Bad Data Hash\n");
777 show_boot_progress (-104);
782 show_boot_progress (105);
784 if (!fit_image_check_target_arch (fit, os_noffset)) {
785 puts ("Unsupported Architecture\n");
786 show_boot_progress (-105);
790 show_boot_progress (106);
791 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
792 puts ("Not a kernel image\n");
793 show_boot_progress (-106);
797 show_boot_progress (107);
800 #endif /* CONFIG_FIT */
803 * boot_get_kernel - find kernel image
804 * @os_data: pointer to a ulong variable, will hold os data start address
805 * @os_len: pointer to a ulong variable, will hold os data length
807 * boot_get_kernel() tries to find a kernel image, verifies its integrity
808 * and locates kernel data.
811 * pointer to image header if valid image was found, plus kernel start
812 * address and length, otherwise NULL
814 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
815 bootm_headers_t *images, ulong *os_data, ulong *os_len)
819 #if defined(CONFIG_FIT)
821 const char *fit_uname_config = NULL;
822 const char *fit_uname_kernel = NULL;
829 /* find out kernel image address */
831 img_addr = load_addr;
832 debug ("* kernel: default image load address = 0x%08lx\n",
834 #if defined(CONFIG_FIT)
835 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
836 &fit_uname_config)) {
837 debug ("* kernel: config '%s' from image at 0x%08lx\n",
838 fit_uname_config, img_addr);
839 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
840 &fit_uname_kernel)) {
841 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
842 fit_uname_kernel, img_addr);
845 img_addr = simple_strtoul(argv[1], NULL, 16);
846 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
849 show_boot_progress (1);
851 /* copy from dataflash if needed */
852 img_addr = genimg_get_image (img_addr);
854 /* check image type, for FIT images get FIT kernel node */
855 *os_data = *os_len = 0;
856 switch (genimg_get_format ((void *)img_addr)) {
857 case IMAGE_FORMAT_LEGACY:
858 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
860 hdr = image_get_kernel (img_addr, images->verify);
863 show_boot_progress (5);
865 /* get os_data and os_len */
866 switch (image_get_type (hdr)) {
868 *os_data = image_get_data (hdr);
869 *os_len = image_get_data_size (hdr);
872 image_multi_getimg (hdr, 0, os_data, os_len);
874 case IH_TYPE_STANDALONE:
875 *os_data = image_get_data (hdr);
876 *os_len = image_get_data_size (hdr);
879 printf ("Wrong Image Type for %s command\n", cmdtp->name);
880 show_boot_progress (-5);
885 * copy image header to allow for image overwrites during kernel
888 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
890 /* save pointer to image header */
891 images->legacy_hdr_os = hdr;
893 images->legacy_hdr_valid = 1;
894 show_boot_progress (6);
896 #if defined(CONFIG_FIT)
897 case IMAGE_FORMAT_FIT:
898 fit_hdr = (void *)img_addr;
899 printf ("## Booting kernel from FIT Image at %08lx ...\n",
902 if (!fit_check_format (fit_hdr)) {
903 puts ("Bad FIT kernel image format!\n");
904 show_boot_progress (-100);
907 show_boot_progress (100);
909 if (!fit_uname_kernel) {
911 * no kernel image node unit name, try to get config
912 * node first. If config unit node name is NULL
913 * fit_conf_get_node() will try to find default config node
915 show_boot_progress (101);
916 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
917 if (cfg_noffset < 0) {
918 show_boot_progress (-101);
921 /* save configuration uname provided in the first
924 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
925 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
926 show_boot_progress (103);
928 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
929 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
931 /* get kernel component image node offset */
932 show_boot_progress (102);
933 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
935 if (os_noffset < 0) {
936 show_boot_progress (-103);
940 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
942 show_boot_progress (104);
943 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
946 /* get kernel image data address and length */
947 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
948 puts ("Could not find kernel subimage data!\n");
949 show_boot_progress (-107);
952 show_boot_progress (108);
955 *os_data = (ulong)data;
956 images->fit_hdr_os = fit_hdr;
957 images->fit_uname_os = fit_uname_kernel;
958 images->fit_noffset_os = os_noffset;
962 printf ("Wrong Image Format for %s command\n", cmdtp->name);
963 show_boot_progress (-108);
967 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
968 *os_data, *os_len, *os_len);
970 return (void *)img_addr;
974 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
975 "boot application image from memory",
976 "[addr [arg ...]]\n - boot application image stored in memory\n"
977 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
978 "\t'arg' can be the address of an initrd image\n"
979 #if defined(CONFIG_OF_LIBFDT)
980 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
981 "\ta third argument is required which is the address of the\n"
982 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
983 "\tuse a '-' for the second argument. If you do not pass a third\n"
984 "\ta bd_info struct will be passed instead\n"
986 #if defined(CONFIG_FIT)
987 "\t\nFor the new multi component uImage format (FIT) addresses\n"
988 "\tmust be extened to include component or configuration unit name:\n"
989 "\taddr:<subimg_uname> - direct component image specification\n"
990 "\taddr#<conf_uname> - configuration specification\n"
991 "\tUse iminfo command to get the list of existing component\n"
992 "\timages and configurations.\n"
994 "\nSub-commands to do part of the bootm sequence. The sub-commands "
996 "issued in the order below (it's ok to not issue all sub-commands):\n"
997 "\tstart [addr [arg ...]]\n"
998 "\tloados - load OS image\n"
999 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1000 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1002 #if defined(CONFIG_OF_LIBFDT)
1003 "\tfdt - relocate flat device tree\n"
1005 "\tcmdline - OS specific command line processing/setup\n"
1006 "\tbdt - OS specific bd_t processing\n"
1007 "\tprep - OS specific prep before relocation or go\n"
1011 /*******************************************************************/
1012 /* bootd - boot default image */
1013 /*******************************************************************/
1014 #if defined(CONFIG_CMD_BOOTD)
1015 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1019 #ifndef CONFIG_SYS_HUSH_PARSER
1020 if (run_command (getenv ("bootcmd"), flag) < 0)
1023 if (parse_string_outer (getenv ("bootcmd"),
1024 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1031 boot, 1, 1, do_bootd,
1032 "boot default, i.e., run 'bootcmd'",
1036 /* keep old command name "bootd" for backward compatibility */
1038 bootd, 1, 1, do_bootd,
1039 "boot default, i.e., run 'bootcmd'",
1046 /*******************************************************************/
1047 /* iminfo - print header info for a requested image */
1048 /*******************************************************************/
1049 #if defined(CONFIG_CMD_IMI)
1050 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1057 return image_info (load_addr);
1060 for (arg = 1; arg < argc; ++arg) {
1061 addr = simple_strtoul (argv[arg], NULL, 16);
1062 if (image_info (addr) != 0)
1068 static int image_info (ulong addr)
1070 void *hdr = (void *)addr;
1072 printf ("\n## Checking Image at %08lx ...\n", addr);
1074 switch (genimg_get_format (hdr)) {
1075 case IMAGE_FORMAT_LEGACY:
1076 puts (" Legacy image found\n");
1077 if (!image_check_magic (hdr)) {
1078 puts (" Bad Magic Number\n");
1082 if (!image_check_hcrc (hdr)) {
1083 puts (" Bad Header Checksum\n");
1087 image_print_contents (hdr);
1089 puts (" Verifying Checksum ... ");
1090 if (!image_check_dcrc (hdr)) {
1091 puts (" Bad Data CRC\n");
1096 #if defined(CONFIG_FIT)
1097 case IMAGE_FORMAT_FIT:
1098 puts (" FIT image found\n");
1100 if (!fit_check_format (hdr)) {
1101 puts ("Bad FIT image format!\n");
1105 fit_print_contents (hdr);
1107 if (!fit_all_image_check_hashes (hdr)) {
1108 puts ("Bad hash in FIT image!\n");
1115 puts ("Unknown image format!\n");
1123 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1124 "print header information for application image",
1126 " - print header information for application image starting at\n"
1127 " address 'addr' in memory; this includes verification of the\n"
1128 " image contents (magic number, header and payload checksums)"
1133 /*******************************************************************/
1134 /* imls - list all images found in flash */
1135 /*******************************************************************/
1136 #if defined(CONFIG_CMD_IMLS)
1137 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1143 for (i = 0, info = &flash_info[0];
1144 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1146 if (info->flash_id == FLASH_UNKNOWN)
1148 for (j = 0; j < info->sector_count; ++j) {
1150 hdr = (void *)info->start[j];
1154 switch (genimg_get_format (hdr)) {
1155 case IMAGE_FORMAT_LEGACY:
1156 if (!image_check_hcrc (hdr))
1159 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1160 image_print_contents (hdr);
1162 puts (" Verifying Checksum ... ");
1163 if (!image_check_dcrc (hdr)) {
1164 puts ("Bad Data CRC\n");
1169 #if defined(CONFIG_FIT)
1170 case IMAGE_FORMAT_FIT:
1171 if (!fit_check_format (hdr))
1174 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1175 fit_print_contents (hdr);
1191 imls, 1, 1, do_imls,
1192 "list all images found in flash",
1194 " - Prints information about all images found at sector\n"
1195 " boundaries in flash."
1199 /*******************************************************************/
1200 /* helper routines */
1201 /*******************************************************************/
1202 #ifdef CONFIG_SILENT_CONSOLE
1203 static void fixup_silent_linux(void)
1205 char buf[256], *start, *end;
1206 char *cmdline = getenv("bootargs");
1208 /* Only fix cmdline when requested */
1209 if (!(gd->flags & GD_FLG_SILENT))
1212 debug("before silent fix-up: %s\n", cmdline);
1214 start = strstr(cmdline, "console=");
1216 end = strchr(start, ' ');
1217 strncpy(buf, cmdline, (start - cmdline + 8));
1219 strcpy(buf + (start - cmdline + 8), end);
1221 buf[start - cmdline + 8] = '\0';
1223 strcpy(buf, cmdline);
1224 strcat(buf, " console=");
1227 strcpy(buf, "console=");
1230 setenv("bootargs", buf);
1231 debug("after silent fix-up: %s\n", buf);
1233 #endif /* CONFIG_SILENT_CONSOLE */
1236 /*******************************************************************/
1237 /* OS booting routines */
1238 /*******************************************************************/
1240 #ifdef CONFIG_BOOTM_NETBSD
1241 static int do_bootm_netbsd (int flag, int argc, char * const argv[],
1242 bootm_headers_t *images)
1244 void (*loader)(bd_t *, image_header_t *, char *, char *);
1245 image_header_t *os_hdr, *hdr;
1246 ulong kernel_data, kernel_len;
1250 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1253 #if defined(CONFIG_FIT)
1254 if (!images->legacy_hdr_valid) {
1255 fit_unsupported_reset ("NetBSD");
1259 hdr = images->legacy_hdr_os;
1262 * Booting a (NetBSD) kernel image
1264 * This process is pretty similar to a standalone application:
1265 * The (first part of an multi-) image must be a stage-2 loader,
1266 * which in turn is responsible for loading & invoking the actual
1267 * kernel. The only differences are the parameters being passed:
1268 * besides the board info strucure, the loader expects a command
1269 * line, the name of the console device, and (optionally) the
1270 * address of the original image header.
1273 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1274 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1280 #if defined (CONFIG_8xx_CONS_SMC1)
1282 #elif defined (CONFIG_8xx_CONS_SMC2)
1284 #elif defined (CONFIG_8xx_CONS_SCC2)
1286 #elif defined (CONFIG_8xx_CONS_SCC3)
1294 for (i = 2, len = 0; i < argc; i += 1)
1295 len += strlen (argv[i]) + 1;
1296 cmdline = malloc (len);
1298 for (i = 2, len = 0; i < argc; i += 1) {
1300 cmdline[len++] = ' ';
1301 strcpy (&cmdline[len], argv[i]);
1302 len += strlen (argv[i]);
1304 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1308 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1310 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1313 show_boot_progress (15);
1316 * NetBSD Stage-2 Loader Parameters:
1317 * r3: ptr to board info data
1319 * r5: console device
1320 * r6: boot args string
1322 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1326 #endif /* CONFIG_BOOTM_NETBSD*/
1328 #ifdef CONFIG_LYNXKDI
1329 static int do_bootm_lynxkdi (int flag, int argc, char * const argv[],
1330 bootm_headers_t *images)
1332 image_header_t *hdr = &images->legacy_hdr_os_copy;
1334 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1337 #if defined(CONFIG_FIT)
1338 if (!images->legacy_hdr_valid) {
1339 fit_unsupported_reset ("Lynx");
1344 lynxkdi_boot ((image_header_t *)hdr);
1348 #endif /* CONFIG_LYNXKDI */
1350 #ifdef CONFIG_BOOTM_RTEMS
1351 static int do_bootm_rtems (int flag, int argc, char * const argv[],
1352 bootm_headers_t *images)
1354 void (*entry_point)(bd_t *);
1356 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1359 #if defined(CONFIG_FIT)
1360 if (!images->legacy_hdr_valid) {
1361 fit_unsupported_reset ("RTEMS");
1366 entry_point = (void (*)(bd_t *))images->ep;
1368 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1369 (ulong)entry_point);
1371 show_boot_progress (15);
1375 * r3: ptr to board info data
1377 (*entry_point)(gd->bd);
1381 #endif /* CONFIG_BOOTM_RTEMS */
1383 #if defined(CONFIG_BOOTM_OSE)
1384 static int do_bootm_ose (int flag, int argc, char * const argv[],
1385 bootm_headers_t *images)
1387 void (*entry_point)(void);
1389 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1392 #if defined(CONFIG_FIT)
1393 if (!images->legacy_hdr_valid) {
1394 fit_unsupported_reset ("OSE");
1399 entry_point = (void (*)(void))images->ep;
1401 printf ("## Transferring control to OSE (at address %08lx) ...\n",
1402 (ulong)entry_point);
1404 show_boot_progress (15);
1414 #endif /* CONFIG_BOOTM_OSE */
1416 #if defined(CONFIG_CMD_ELF)
1417 static int do_bootm_vxworks (int flag, int argc, char * const argv[],
1418 bootm_headers_t *images)
1422 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1425 #if defined(CONFIG_FIT)
1426 if (!images->legacy_hdr_valid) {
1427 fit_unsupported_reset ("VxWorks");
1432 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1433 setenv("loadaddr", str);
1434 do_bootvx(NULL, 0, 0, NULL);
1439 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1440 bootm_headers_t *images)
1442 char *local_args[2];
1445 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1448 #if defined(CONFIG_FIT)
1449 if (!images->legacy_hdr_valid) {
1450 fit_unsupported_reset ("QNX");
1455 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1456 local_args[0] = argv[0];
1457 local_args[1] = str; /* and provide it via the arguments */
1458 do_bootelf(NULL, 0, 2, local_args);
1464 #ifdef CONFIG_INTEGRITY
1465 static int do_bootm_integrity (int flag, int argc, char * const argv[],
1466 bootm_headers_t *images)
1468 void (*entry_point)(void);
1470 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1473 #if defined(CONFIG_FIT)
1474 if (!images->legacy_hdr_valid) {
1475 fit_unsupported_reset ("INTEGRITY");
1480 entry_point = (void (*)(void))images->ep;
1482 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1483 (ulong)entry_point);
1485 show_boot_progress (15);
1488 * INTEGRITY Parameters: