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 extern flash_info_t flash_info[]; /* info for FLASH chips */
81 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
84 #ifdef CONFIG_SILENT_CONSOLE
85 static void fixup_silent_linux (void);
88 static image_header_t *image_get_kernel (ulong img_addr, int verify);
89 #if defined(CONFIG_FIT)
90 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
93 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char * const argv[],
94 bootm_headers_t *images, ulong *os_data, ulong *os_len);
95 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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_CMD_ELF)
122 static boot_os_fn do_bootm_vxworks;
123 static boot_os_fn do_bootm_qnxelf;
124 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
125 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
127 #if defined(CONFIG_INTEGRITY)
128 static boot_os_fn do_bootm_integrity;
131 static boot_os_fn *boot_os[] = {
132 #ifdef CONFIG_BOOTM_LINUX
133 [IH_OS_LINUX] = do_bootm_linux,
135 #ifdef CONFIG_BOOTM_NETBSD
136 [IH_OS_NETBSD] = do_bootm_netbsd,
138 #ifdef CONFIG_LYNXKDI
139 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
141 #ifdef CONFIG_BOOTM_RTEMS
142 [IH_OS_RTEMS] = do_bootm_rtems,
144 #if defined(CONFIG_CMD_ELF)
145 [IH_OS_VXWORKS] = do_bootm_vxworks,
146 [IH_OS_QNX] = do_bootm_qnxelf,
148 #ifdef CONFIG_INTEGRITY
149 [IH_OS_INTEGRITY] = do_bootm_integrity,
153 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
154 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
156 /* Allow for arch specific config before we boot */
157 void __arch_preboot_os(void)
159 /* please define platform specific arch_preboot_os() */
161 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
164 #define IH_INITRD_ARCH IH_ARCH_ARM
165 #elif defined(__avr32__)
166 #define IH_INITRD_ARCH IH_ARCH_AVR32
167 #elif defined(__bfin__)
168 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
169 #elif defined(__I386__)
170 #define IH_INITRD_ARCH IH_ARCH_I386
171 #elif defined(__M68K__)
172 #define IH_INITRD_ARCH IH_ARCH_M68K
173 #elif defined(__microblaze__)
174 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
175 #elif defined(__mips__)
176 #define IH_INITRD_ARCH IH_ARCH_MIPS
177 #elif defined(__nios2__)
178 #define IH_INITRD_ARCH IH_ARCH_NIOS2
179 #elif defined(__PPC__)
180 #define IH_INITRD_ARCH IH_ARCH_PPC
181 #elif defined(__sh__)
182 #define IH_INITRD_ARCH IH_ARCH_SH
183 #elif defined(__sparc__)
184 #define IH_INITRD_ARCH IH_ARCH_SPARC
186 # error Unknown CPU type
189 static void bootm_start_lmb(void)
193 phys_size_t mem_size;
195 lmb_init(&images.lmb);
197 mem_start = getenv_bootm_low();
198 mem_size = getenv_bootm_size();
200 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
202 arch_lmb_reserve(&images.lmb);
203 board_lmb_reserve(&images.lmb);
205 # define lmb_reserve(lmb, base, size)
209 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
214 memset ((void *)&images, 0, sizeof (images));
215 images.verify = getenv_yesno ("verify");
219 /* get kernel image header, start address and length */
220 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
221 &images, &images.os.image_start, &images.os.image_len);
222 if (images.os.image_len == 0) {
223 puts ("ERROR: can't get kernel image!\n");
227 /* get image parameters */
228 switch (genimg_get_format (os_hdr)) {
229 case IMAGE_FORMAT_LEGACY:
230 images.os.type = image_get_type (os_hdr);
231 images.os.comp = image_get_comp (os_hdr);
232 images.os.os = image_get_os (os_hdr);
234 images.os.end = image_get_image_end (os_hdr);
235 images.os.load = image_get_load (os_hdr);
237 #if defined(CONFIG_FIT)
238 case IMAGE_FORMAT_FIT:
239 if (fit_image_get_type (images.fit_hdr_os,
240 images.fit_noffset_os, &images.os.type)) {
241 puts ("Can't get image type!\n");
242 show_boot_progress (-109);
246 if (fit_image_get_comp (images.fit_hdr_os,
247 images.fit_noffset_os, &images.os.comp)) {
248 puts ("Can't get image compression!\n");
249 show_boot_progress (-110);
253 if (fit_image_get_os (images.fit_hdr_os,
254 images.fit_noffset_os, &images.os.os)) {
255 puts ("Can't get image OS!\n");
256 show_boot_progress (-111);
260 images.os.end = fit_get_end (images.fit_hdr_os);
262 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
264 puts ("Can't get image load address!\n");
265 show_boot_progress (-112);
271 puts ("ERROR: unknown image format type!\n");
275 /* find kernel entry point */
276 if (images.legacy_hdr_valid) {
277 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
278 #if defined(CONFIG_FIT)
279 } else if (images.fit_uname_os) {
280 ret = fit_image_get_entry (images.fit_hdr_os,
281 images.fit_noffset_os, &images.ep);
283 puts ("Can't get entry point property!\n");
288 puts ("Could not find kernel entry point!\n");
292 if (((images.os.type == IH_TYPE_KERNEL) ||
293 (images.os.type == IH_TYPE_MULTI)) &&
294 (images.os.os == IH_OS_LINUX)) {
296 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
297 &images.rd_start, &images.rd_end);
299 puts ("Ramdisk image is corrupt or invalid\n");
303 #if defined(CONFIG_OF_LIBFDT)
304 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
305 /* find flattened device tree */
306 ret = boot_get_fdt (flag, argc, argv, &images,
307 &images.ft_addr, &images.ft_len);
309 puts ("Could not find a valid device tree\n");
313 set_working_fdt_addr(images.ft_addr);
318 images.os.start = (ulong)os_hdr;
319 images.state = BOOTM_STATE_START;
324 #define BOOTM_ERR_RESET -1
325 #define BOOTM_ERR_OVERLAP -2
326 #define BOOTM_ERR_UNIMPLEMENTED -3
327 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
329 uint8_t comp = os.comp;
330 ulong load = os.load;
331 ulong blob_start = os.start;
332 ulong blob_end = os.end;
333 ulong image_start = os.image_start;
334 ulong image_len = os.image_len;
335 uint unc_len = CONFIG_SYS_BOOTM_LEN;
336 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
338 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
340 const char *type_name = genimg_get_type_name (os.type);
344 if (load == blob_start) {
345 printf (" XIP %s ... ", type_name);
347 printf (" Loading %s ... ", type_name);
348 memmove_wd ((void *)load, (void *)image_start,
351 *load_end = load + image_len;
356 printf (" Uncompressing %s ... ", type_name);
357 if (gunzip ((void *)load, unc_len,
358 (uchar *)image_start, &image_len) != 0) {
359 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
360 "- must RESET board to recover\n");
362 show_boot_progress (-6);
363 return BOOTM_ERR_RESET;
366 *load_end = load + image_len;
368 #endif /* CONFIG_GZIP */
371 printf (" Uncompressing %s ... ", type_name);
373 * If we've got less than 4 MB of malloc() space,
374 * use slower decompression algorithm which requires
375 * at most 2300 KB of memory.
377 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
378 &unc_len, (char *)image_start, image_len,
379 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
381 printf ("BUNZIP2: uncompress or overwrite error %d "
382 "- must RESET board to recover\n", i);
384 show_boot_progress (-6);
385 return BOOTM_ERR_RESET;
388 *load_end = load + unc_len;
390 #endif /* CONFIG_BZIP2 */
393 SizeT lzma_len = unc_len;
394 printf (" Uncompressing %s ... ", type_name);
396 ret = lzmaBuffToBuffDecompress(
397 (unsigned char *)load, &lzma_len,
398 (unsigned char *)image_start, image_len);
401 printf ("LZMA: uncompress or overwrite error %d "
402 "- must RESET board to recover\n", ret);
403 show_boot_progress (-6);
404 return BOOTM_ERR_RESET;
406 *load_end = load + unc_len;
409 #endif /* CONFIG_LZMA */
412 printf (" Uncompressing %s ... ", type_name);
414 ret = lzop_decompress((const unsigned char *)image_start,
415 image_len, (unsigned char *)load,
417 if (ret != LZO_E_OK) {
418 printf ("LZO: uncompress or overwrite error %d "
419 "- must RESET board to recover\n", ret);
421 show_boot_progress (-6);
422 return BOOTM_ERR_RESET;
425 *load_end = load + unc_len;
427 #endif /* CONFIG_LZO */
429 printf ("Unimplemented compression type %d\n", comp);
430 return BOOTM_ERR_UNIMPLEMENTED;
433 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
435 show_boot_progress (7);
437 if ((load < blob_end) && (*load_end > blob_start)) {
438 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
439 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
441 return BOOTM_ERR_OVERLAP;
447 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
450 int (*appl)(int, char * const []);
452 /* Don't start if "autostart" is set to "no" */
453 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
455 sprintf(buf, "%lX", images.os.image_len);
456 setenv("filesize", buf);
459 appl = (int (*)(int, char * const []))ntohl(images.ep);
460 (*appl)(argc-1, &argv[1]);
465 /* we overload the cmd field with our state machine info instead of a
466 * function pointer */
467 static cmd_tbl_t cmd_bootm_sub[] = {
468 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
469 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
470 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
471 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
473 #ifdef CONFIG_OF_LIBFDT
474 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
476 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
477 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
478 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
479 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
482 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
489 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
494 /* treat start special since it resets the state machine */
495 if (state == BOOTM_STATE_START) {
498 return bootm_start(cmdtp, flag, argc, argv);
501 /* Unrecognized command */
502 return cmd_usage(cmdtp);
505 if (images.state >= state) {
506 printf ("Trying to execute a command out of order\n");
507 return cmd_usage(cmdtp);
510 images.state |= state;
511 boot_fn = boot_os[images.os.os];
515 case BOOTM_STATE_START:
516 /* should never occur */
518 case BOOTM_STATE_LOADOS:
519 ret = bootm_load_os(images.os, &load_end, 0);
523 lmb_reserve(&images.lmb, images.os.load,
524 (load_end - images.os.load));
526 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
527 case BOOTM_STATE_RAMDISK:
529 ulong rd_len = images.rd_end - images.rd_start;
532 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
533 rd_len, &images.initrd_start, &images.initrd_end);
537 sprintf(str, "%lx", images.initrd_start);
538 setenv("initrd_start", str);
539 sprintf(str, "%lx", images.initrd_end);
540 setenv("initrd_end", str);
544 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
545 case BOOTM_STATE_FDT:
547 ulong bootmap_base = getenv_bootm_low();
548 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
549 &images.ft_addr, &images.ft_len);
553 case BOOTM_STATE_OS_CMDLINE:
554 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
556 printf ("cmdline subcommand not supported\n");
558 case BOOTM_STATE_OS_BD_T:
559 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
561 printf ("bdt subcommand not supported\n");
563 case BOOTM_STATE_OS_PREP:
564 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
566 printf ("prep subcommand not supported\n");
568 case BOOTM_STATE_OS_GO:
569 disable_interrupts();
571 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
578 /*******************************************************************/
579 /* bootm - boot application image from image in memory */
580 /*******************************************************************/
582 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
588 #ifndef CONFIG_RELOC_FIXUP_WORKS
589 static int relocated = 0;
591 /* relocate boot function table */
594 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
595 if (boot_os[i] != NULL)
596 boot_os[i] += gd->reloc_off;
601 /* determine if we have a sub command */
605 simple_strtoul(argv[1], &endp, 16);
606 /* endp pointing to NULL means that argv[1] was just a
607 * valid number, pass it along to the normal bootm processing
609 * If endp is ':' or '#' assume a FIT identifier so pass
610 * along for normal processing.
612 * Right now we assume the first arg should never be '-'
614 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
615 return do_bootm_subcommand(cmdtp, flag, argc, argv);
618 if (bootm_start(cmdtp, flag, argc, argv))
622 * We have reached the point of no return: we are going to
623 * overwrite all exception vector code, so we cannot easily
624 * recover from any failures any more...
626 iflag = disable_interrupts();
628 #if defined(CONFIG_CMD_USB)
630 * turn off USB to prevent the host controller from writing to the
631 * SDRAM while Linux is booting. This could happen (at least for OHCI
632 * controller), because the HCCA (Host Controller Communication Area)
633 * lies within the SDRAM and the host controller writes continously to
634 * this area (as busmaster!). The HccaFrameNumber is for example
635 * updated every 1 ms within the HCCA structure in SDRAM! For more
636 * details see the OpenHCI specification.
641 ret = bootm_load_os(images.os, &load_end, 1);
644 if (ret == BOOTM_ERR_RESET)
645 do_reset (cmdtp, flag, argc, argv);
646 if (ret == BOOTM_ERR_OVERLAP) {
647 if (images.legacy_hdr_valid) {
648 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
649 puts ("WARNING: legacy format multi component "
650 "image overwritten\n");
652 puts ("ERROR: new format image overwritten - "
653 "must RESET the board to recover\n");
654 show_boot_progress (-113);
655 do_reset (cmdtp, flag, argc, argv);
658 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
661 show_boot_progress (-7);
666 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
668 if (images.os.type == IH_TYPE_STANDALONE) {
671 /* This may return when 'autostart' is 'no' */
672 bootm_start_standalone(iflag, argc, argv);
676 show_boot_progress (8);
678 #ifdef CONFIG_SILENT_CONSOLE
679 if (images.os.os == IH_OS_LINUX)
680 fixup_silent_linux();
683 boot_fn = boot_os[images.os.os];
685 if (boot_fn == NULL) {
688 printf ("ERROR: booting os '%s' (%d) is not supported\n",
689 genimg_get_os_name(images.os.os), images.os.os);
690 show_boot_progress (-8);
696 boot_fn(0, argc, argv, &images);
698 show_boot_progress (-9);
700 puts ("\n## Control returned to monitor - resetting...\n");
702 do_reset (cmdtp, flag, argc, argv);
708 * image_get_kernel - verify legacy format kernel image
709 * @img_addr: in RAM address of the legacy format image to be verified
710 * @verify: data CRC verification flag
712 * image_get_kernel() verifies legacy image integrity and returns pointer to
713 * legacy image header if image verification was completed successfully.
716 * pointer to a legacy image header if valid image was found
717 * otherwise return NULL
719 static image_header_t *image_get_kernel (ulong img_addr, int verify)
721 image_header_t *hdr = (image_header_t *)img_addr;
723 if (!image_check_magic(hdr)) {
724 puts ("Bad Magic Number\n");
725 show_boot_progress (-1);
728 show_boot_progress (2);
730 if (!image_check_hcrc (hdr)) {
731 puts ("Bad Header Checksum\n");
732 show_boot_progress (-2);
736 show_boot_progress (3);
737 image_print_contents (hdr);
740 puts (" Verifying Checksum ... ");
741 if (!image_check_dcrc (hdr)) {
742 printf ("Bad Data CRC\n");
743 show_boot_progress (-3);
748 show_boot_progress (4);
750 if (!image_check_target_arch (hdr)) {
751 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
752 show_boot_progress (-4);
759 * fit_check_kernel - verify FIT format kernel subimage
760 * @fit_hdr: pointer to the FIT image header
761 * os_noffset: kernel subimage node offset within FIT image
762 * @verify: data CRC verification flag
764 * fit_check_kernel() verifies integrity of the kernel subimage and from
765 * specified FIT image.
771 #if defined (CONFIG_FIT)
772 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
774 fit_image_print (fit, os_noffset, " ");
777 puts (" Verifying Hash Integrity ... ");
778 if (!fit_image_check_hashes (fit, os_noffset)) {
779 puts ("Bad Data Hash\n");
780 show_boot_progress (-104);
785 show_boot_progress (105);
787 if (!fit_image_check_target_arch (fit, os_noffset)) {
788 puts ("Unsupported Architecture\n");
789 show_boot_progress (-105);
793 show_boot_progress (106);
794 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
795 puts ("Not a kernel image\n");
796 show_boot_progress (-106);
800 show_boot_progress (107);
803 #endif /* CONFIG_FIT */
806 * boot_get_kernel - find kernel image
807 * @os_data: pointer to a ulong variable, will hold os data start address
808 * @os_len: pointer to a ulong variable, will hold os data length
810 * boot_get_kernel() tries to find a kernel image, verifies its integrity
811 * and locates kernel data.
814 * pointer to image header if valid image was found, plus kernel start
815 * address and length, otherwise NULL
817 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
818 bootm_headers_t *images, ulong *os_data, ulong *os_len)
822 #if defined(CONFIG_FIT)
824 const char *fit_uname_config = NULL;
825 const char *fit_uname_kernel = NULL;
832 /* find out kernel image address */
834 img_addr = load_addr;
835 debug ("* kernel: default image load address = 0x%08lx\n",
837 #if defined(CONFIG_FIT)
838 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
839 &fit_uname_config)) {
840 debug ("* kernel: config '%s' from image at 0x%08lx\n",
841 fit_uname_config, img_addr);
842 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
843 &fit_uname_kernel)) {
844 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
845 fit_uname_kernel, img_addr);
848 img_addr = simple_strtoul(argv[1], NULL, 16);
849 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
852 show_boot_progress (1);
854 /* copy from dataflash if needed */
855 img_addr = genimg_get_image (img_addr);
857 /* check image type, for FIT images get FIT kernel node */
858 *os_data = *os_len = 0;
859 switch (genimg_get_format ((void *)img_addr)) {
860 case IMAGE_FORMAT_LEGACY:
861 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
863 hdr = image_get_kernel (img_addr, images->verify);
866 show_boot_progress (5);
868 /* get os_data and os_len */
869 switch (image_get_type (hdr)) {
871 *os_data = image_get_data (hdr);
872 *os_len = image_get_data_size (hdr);
875 image_multi_getimg (hdr, 0, os_data, os_len);
877 case IH_TYPE_STANDALONE:
878 *os_data = image_get_data (hdr);
879 *os_len = image_get_data_size (hdr);
882 printf ("Wrong Image Type for %s command\n", cmdtp->name);
883 show_boot_progress (-5);
888 * copy image header to allow for image overwrites during kernel
891 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
893 /* save pointer to image header */
894 images->legacy_hdr_os = hdr;
896 images->legacy_hdr_valid = 1;
897 show_boot_progress (6);
899 #if defined(CONFIG_FIT)
900 case IMAGE_FORMAT_FIT:
901 fit_hdr = (void *)img_addr;
902 printf ("## Booting kernel from FIT Image at %08lx ...\n",
905 if (!fit_check_format (fit_hdr)) {
906 puts ("Bad FIT kernel image format!\n");
907 show_boot_progress (-100);
910 show_boot_progress (100);
912 if (!fit_uname_kernel) {
914 * no kernel image node unit name, try to get config
915 * node first. If config unit node name is NULL
916 * fit_conf_get_node() will try to find default config node
918 show_boot_progress (101);
919 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
920 if (cfg_noffset < 0) {
921 show_boot_progress (-101);
924 /* save configuration uname provided in the first
927 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
928 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
929 show_boot_progress (103);
931 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
932 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
934 /* get kernel component image node offset */
935 show_boot_progress (102);
936 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
938 if (os_noffset < 0) {
939 show_boot_progress (-103);
943 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
945 show_boot_progress (104);
946 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
949 /* get kernel image data address and length */
950 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
951 puts ("Could not find kernel subimage data!\n");
952 show_boot_progress (-107);
955 show_boot_progress (108);
958 *os_data = (ulong)data;
959 images->fit_hdr_os = fit_hdr;
960 images->fit_uname_os = fit_uname_kernel;
961 images->fit_noffset_os = os_noffset;
965 printf ("Wrong Image Format for %s command\n", cmdtp->name);
966 show_boot_progress (-108);
970 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
971 *os_data, *os_len, *os_len);
973 return (void *)img_addr;
977 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
978 "boot application image from memory",
979 "[addr [arg ...]]\n - boot application image stored in memory\n"
980 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
981 "\t'arg' can be the address of an initrd image\n"
982 #if defined(CONFIG_OF_LIBFDT)
983 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
984 "\ta third argument is required which is the address of the\n"
985 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
986 "\tuse a '-' for the second argument. If you do not pass a third\n"
987 "\ta bd_info struct will be passed instead\n"
989 #if defined(CONFIG_FIT)
990 "\t\nFor the new multi component uImage format (FIT) addresses\n"
991 "\tmust be extened to include component or configuration unit name:\n"
992 "\taddr:<subimg_uname> - direct component image specification\n"
993 "\taddr#<conf_uname> - configuration specification\n"
994 "\tUse iminfo command to get the list of existing component\n"
995 "\timages and configurations.\n"
997 "\nSub-commands to do part of the bootm sequence. The sub-commands "
999 "issued in the order below (it's ok to not issue all sub-commands):\n"
1000 "\tstart [addr [arg ...]]\n"
1001 "\tloados - load OS image\n"
1002 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1003 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1005 #if defined(CONFIG_OF_LIBFDT)
1006 "\tfdt - relocate flat device tree\n"
1008 "\tcmdline - OS specific command line processing/setup\n"
1009 "\tbdt - OS specific bd_t processing\n"
1010 "\tprep - OS specific prep before relocation or go\n"
1014 /*******************************************************************/
1015 /* bootd - boot default image */
1016 /*******************************************************************/
1017 #if defined(CONFIG_CMD_BOOTD)
1018 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1022 #ifndef CONFIG_SYS_HUSH_PARSER
1023 if (run_command (getenv ("bootcmd"), flag) < 0)
1026 if (parse_string_outer (getenv ("bootcmd"),
1027 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1034 boot, 1, 1, do_bootd,
1035 "boot default, i.e., run 'bootcmd'",
1039 /* keep old command name "bootd" for backward compatibility */
1041 bootd, 1, 1, do_bootd,
1042 "boot default, i.e., run 'bootcmd'",
1049 /*******************************************************************/
1050 /* iminfo - print header info for a requested image */
1051 /*******************************************************************/
1052 #if defined(CONFIG_CMD_IMI)
1053 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1060 return image_info (load_addr);
1063 for (arg = 1; arg < argc; ++arg) {
1064 addr = simple_strtoul (argv[arg], NULL, 16);
1065 if (image_info (addr) != 0)
1071 static int image_info (ulong addr)
1073 void *hdr = (void *)addr;
1075 printf ("\n## Checking Image at %08lx ...\n", addr);
1077 switch (genimg_get_format (hdr)) {
1078 case IMAGE_FORMAT_LEGACY:
1079 puts (" Legacy image found\n");
1080 if (!image_check_magic (hdr)) {
1081 puts (" Bad Magic Number\n");
1085 if (!image_check_hcrc (hdr)) {
1086 puts (" Bad Header Checksum\n");
1090 image_print_contents (hdr);
1092 puts (" Verifying Checksum ... ");
1093 if (!image_check_dcrc (hdr)) {
1094 puts (" Bad Data CRC\n");
1099 #if defined(CONFIG_FIT)
1100 case IMAGE_FORMAT_FIT:
1101 puts (" FIT image found\n");
1103 if (!fit_check_format (hdr)) {
1104 puts ("Bad FIT image format!\n");
1108 fit_print_contents (hdr);
1110 if (!fit_all_image_check_hashes (hdr)) {
1111 puts ("Bad hash in FIT image!\n");
1118 puts ("Unknown image format!\n");
1126 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1127 "print header information for application image",
1129 " - print header information for application image starting at\n"
1130 " address 'addr' in memory; this includes verification of the\n"
1131 " image contents (magic number, header and payload checksums)"
1136 /*******************************************************************/
1137 /* imls - list all images found in flash */
1138 /*******************************************************************/
1139 #if defined(CONFIG_CMD_IMLS)
1140 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1146 for (i = 0, info = &flash_info[0];
1147 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1149 if (info->flash_id == FLASH_UNKNOWN)
1151 for (j = 0; j < info->sector_count; ++j) {
1153 hdr = (void *)info->start[j];
1157 switch (genimg_get_format (hdr)) {
1158 case IMAGE_FORMAT_LEGACY:
1159 if (!image_check_hcrc (hdr))
1162 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1163 image_print_contents (hdr);
1165 puts (" Verifying Checksum ... ");
1166 if (!image_check_dcrc (hdr)) {
1167 puts ("Bad Data CRC\n");
1172 #if defined(CONFIG_FIT)
1173 case IMAGE_FORMAT_FIT:
1174 if (!fit_check_format (hdr))
1177 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1178 fit_print_contents (hdr);
1194 imls, 1, 1, do_imls,
1195 "list all images found in flash",
1197 " - Prints information about all images found at sector\n"
1198 " boundaries in flash."
1202 /*******************************************************************/
1203 /* helper routines */
1204 /*******************************************************************/
1205 #ifdef CONFIG_SILENT_CONSOLE
1206 static void fixup_silent_linux ()
1208 char buf[256], *start, *end;
1209 char *cmdline = getenv ("bootargs");
1211 /* Only fix cmdline when requested */
1212 if (!(gd->flags & GD_FLG_SILENT))
1215 debug ("before silent fix-up: %s\n", cmdline);
1217 if ((start = strstr (cmdline, "console=")) != NULL) {
1218 end = strchr (start, ' ');
1219 strncpy (buf, cmdline, (start - cmdline + 8));
1221 strcpy (buf + (start - cmdline + 8), end);
1223 buf[start - cmdline + 8] = '\0';
1225 strcpy (buf, cmdline);
1226 strcat (buf, " console=");
1229 strcpy (buf, "console=");
1232 setenv ("bootargs", buf);
1233 debug ("after silent fix-up: %s\n", buf);
1235 #endif /* CONFIG_SILENT_CONSOLE */
1238 /*******************************************************************/
1239 /* OS booting routines */
1240 /*******************************************************************/
1242 #ifdef CONFIG_BOOTM_NETBSD
1243 static int do_bootm_netbsd (int flag, int argc, char * const argv[],
1244 bootm_headers_t *images)
1246 void (*loader)(bd_t *, image_header_t *, char *, char *);
1247 image_header_t *os_hdr, *hdr;
1248 ulong kernel_data, kernel_len;
1252 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1255 #if defined(CONFIG_FIT)
1256 if (!images->legacy_hdr_valid) {
1257 fit_unsupported_reset ("NetBSD");
1261 hdr = images->legacy_hdr_os;
1264 * Booting a (NetBSD) kernel image
1266 * This process is pretty similar to a standalone application:
1267 * The (first part of an multi-) image must be a stage-2 loader,
1268 * which in turn is responsible for loading & invoking the actual
1269 * kernel. The only differences are the parameters being passed:
1270 * besides the board info strucure, the loader expects a command
1271 * line, the name of the console device, and (optionally) the
1272 * address of the original image header.
1275 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1276 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1282 #if defined (CONFIG_8xx_CONS_SMC1)
1284 #elif defined (CONFIG_8xx_CONS_SMC2)
1286 #elif defined (CONFIG_8xx_CONS_SCC2)
1288 #elif defined (CONFIG_8xx_CONS_SCC3)
1296 for (i = 2, len = 0; i < argc; i += 1)
1297 len += strlen (argv[i]) + 1;
1298 cmdline = malloc (len);
1300 for (i = 2, len = 0; i < argc; i += 1) {
1302 cmdline[len++] = ' ';
1303 strcpy (&cmdline[len], argv[i]);
1304 len += strlen (argv[i]);
1306 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1310 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1312 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1315 show_boot_progress (15);
1318 * NetBSD Stage-2 Loader Parameters:
1319 * r3: ptr to board info data
1321 * r5: console device
1322 * r6: boot args string
1324 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1328 #endif /* CONFIG_BOOTM_NETBSD*/
1330 #ifdef CONFIG_LYNXKDI
1331 static int do_bootm_lynxkdi (int flag, int argc, char * const argv[],
1332 bootm_headers_t *images)
1334 image_header_t *hdr = &images->legacy_hdr_os_copy;
1336 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1339 #if defined(CONFIG_FIT)
1340 if (!images->legacy_hdr_valid) {
1341 fit_unsupported_reset ("Lynx");
1346 lynxkdi_boot ((image_header_t *)hdr);
1350 #endif /* CONFIG_LYNXKDI */
1352 #ifdef CONFIG_BOOTM_RTEMS
1353 static int do_bootm_rtems (int flag, int argc, char * const argv[],
1354 bootm_headers_t *images)
1356 void (*entry_point)(bd_t *);
1358 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1361 #if defined(CONFIG_FIT)
1362 if (!images->legacy_hdr_valid) {
1363 fit_unsupported_reset ("RTEMS");
1368 entry_point = (void (*)(bd_t *))images->ep;
1370 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1371 (ulong)entry_point);
1373 show_boot_progress (15);
1377 * r3: ptr to board info data
1379 (*entry_point)(gd->bd);
1383 #endif /* CONFIG_BOOTM_RTEMS */
1385 #if defined(CONFIG_CMD_ELF)
1386 static int do_bootm_vxworks (int flag, int argc, char * const argv[],
1387 bootm_headers_t *images)
1391 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1394 #if defined(CONFIG_FIT)
1395 if (!images->legacy_hdr_valid) {
1396 fit_unsupported_reset ("VxWorks");
1401 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1402 setenv("loadaddr", str);
1403 do_bootvx(NULL, 0, 0, NULL);
1408 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1409 bootm_headers_t *images)
1411 char *local_args[2];
1414 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1417 #if defined(CONFIG_FIT)
1418 if (!images->legacy_hdr_valid) {
1419 fit_unsupported_reset ("QNX");
1424 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1425 local_args[0] = argv[0];
1426 local_args[1] = str; /* and provide it via the arguments */
1427 do_bootelf(NULL, 0, 2, local_args);
1433 #ifdef CONFIG_INTEGRITY
1434 static int do_bootm_integrity (int flag, int argc, char * const argv[],
1435 bootm_headers_t *images)
1437 void (*entry_point)(void);
1439 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1442 #if defined(CONFIG_FIT)
1443 if (!images->legacy_hdr_valid) {
1444 fit_unsupported_reset ("INTEGRITY");
1449 entry_point = (void (*)(void))images->ep;
1451 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1452 (ulong)entry_point);
1454 show_boot_progress (15);
1457 * INTEGRITY Parameters: