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 *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 *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 *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 *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 *argv[]);
125 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *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(__nios__)
178 #define IH_INITRD_ARCH IH_ARCH_NIOS
179 #elif defined(__nios2__)
180 #define IH_INITRD_ARCH IH_ARCH_NIOS2
181 #elif defined(__PPC__)
182 #define IH_INITRD_ARCH IH_ARCH_PPC
183 #elif defined(__sh__)
184 #define IH_INITRD_ARCH IH_ARCH_SH
185 #elif defined(__sparc__)
186 #define IH_INITRD_ARCH IH_ARCH_SPARC
188 # error Unknown CPU type
191 static void bootm_start_lmb(void)
195 phys_size_t mem_size;
197 lmb_init(&images.lmb);
199 mem_start = getenv_bootm_low();
200 mem_size = getenv_bootm_size();
202 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
204 arch_lmb_reserve(&images.lmb);
205 board_lmb_reserve(&images.lmb);
207 # define lmb_reserve(lmb, base, size)
211 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
216 memset ((void *)&images, 0, sizeof (images));
217 images.verify = getenv_yesno ("verify");
221 /* get kernel image header, start address and length */
222 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
223 &images, &images.os.image_start, &images.os.image_len);
224 if (images.os.image_len == 0) {
225 puts ("ERROR: can't get kernel image!\n");
229 /* get image parameters */
230 switch (genimg_get_format (os_hdr)) {
231 case IMAGE_FORMAT_LEGACY:
232 images.os.type = image_get_type (os_hdr);
233 images.os.comp = image_get_comp (os_hdr);
234 images.os.os = image_get_os (os_hdr);
236 images.os.end = image_get_image_end (os_hdr);
237 images.os.load = image_get_load (os_hdr);
239 #if defined(CONFIG_FIT)
240 case IMAGE_FORMAT_FIT:
241 if (fit_image_get_type (images.fit_hdr_os,
242 images.fit_noffset_os, &images.os.type)) {
243 puts ("Can't get image type!\n");
244 show_boot_progress (-109);
248 if (fit_image_get_comp (images.fit_hdr_os,
249 images.fit_noffset_os, &images.os.comp)) {
250 puts ("Can't get image compression!\n");
251 show_boot_progress (-110);
255 if (fit_image_get_os (images.fit_hdr_os,
256 images.fit_noffset_os, &images.os.os)) {
257 puts ("Can't get image OS!\n");
258 show_boot_progress (-111);
262 images.os.end = fit_get_end (images.fit_hdr_os);
264 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
266 puts ("Can't get image load address!\n");
267 show_boot_progress (-112);
273 puts ("ERROR: unknown image format type!\n");
277 /* find kernel entry point */
278 if (images.legacy_hdr_valid) {
279 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
280 #if defined(CONFIG_FIT)
281 } else if (images.fit_uname_os) {
282 ret = fit_image_get_entry (images.fit_hdr_os,
283 images.fit_noffset_os, &images.ep);
285 puts ("Can't get entry point property!\n");
290 puts ("Could not find kernel entry point!\n");
294 if (((images.os.type == IH_TYPE_KERNEL) ||
295 (images.os.type == IH_TYPE_MULTI)) &&
296 (images.os.os == IH_OS_LINUX)) {
298 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
299 &images.rd_start, &images.rd_end);
301 puts ("Ramdisk image is corrupt or invalid\n");
305 #if defined(CONFIG_OF_LIBFDT)
306 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
307 /* find flattened device tree */
308 ret = boot_get_fdt (flag, argc, argv, &images,
309 &images.ft_addr, &images.ft_len);
311 puts ("Could not find a valid device tree\n");
315 set_working_fdt_addr(images.ft_addr);
320 images.os.start = (ulong)os_hdr;
321 images.state = BOOTM_STATE_START;
326 #define BOOTM_ERR_RESET -1
327 #define BOOTM_ERR_OVERLAP -2
328 #define BOOTM_ERR_UNIMPLEMENTED -3
329 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
331 uint8_t comp = os.comp;
332 ulong load = os.load;
333 ulong blob_start = os.start;
334 ulong blob_end = os.end;
335 ulong image_start = os.image_start;
336 ulong image_len = os.image_len;
337 uint unc_len = CONFIG_SYS_BOOTM_LEN;
339 const char *type_name = genimg_get_type_name (os.type);
343 if (load == blob_start) {
344 printf (" XIP %s ... ", type_name);
346 printf (" Loading %s ... ", type_name);
347 memmove_wd ((void *)load, (void *)image_start,
350 *load_end = load + image_len;
355 printf (" Uncompressing %s ... ", type_name);
356 if (gunzip ((void *)load, unc_len,
357 (uchar *)image_start, &image_len) != 0) {
358 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
359 "- must RESET board to recover\n");
361 show_boot_progress (-6);
362 return BOOTM_ERR_RESET;
365 *load_end = load + image_len;
367 #endif /* CONFIG_GZIP */
370 printf (" Uncompressing %s ... ", type_name);
372 * If we've got less than 4 MB of malloc() space,
373 * use slower decompression algorithm which requires
374 * at most 2300 KB of memory.
376 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
377 &unc_len, (char *)image_start, image_len,
378 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
380 printf ("BUNZIP2: uncompress or overwrite error %d "
381 "- must RESET board to recover\n", i);
383 show_boot_progress (-6);
384 return BOOTM_ERR_RESET;
387 *load_end = load + unc_len;
389 #endif /* CONFIG_BZIP2 */
392 printf (" Uncompressing %s ... ", type_name);
394 int ret = lzmaBuffToBuffDecompress(
395 (unsigned char *)load, &unc_len,
396 (unsigned char *)image_start, image_len);
398 printf ("LZMA: uncompress or overwrite error %d "
399 "- must RESET board to recover\n", ret);
400 show_boot_progress (-6);
401 return BOOTM_ERR_RESET;
403 *load_end = load + unc_len;
405 #endif /* CONFIG_LZMA */
408 printf (" Uncompressing %s ... ", type_name);
410 int ret = lzop_decompress((const unsigned char *)image_start,
411 image_len, (unsigned char *)load,
413 if (ret != LZO_E_OK) {
414 printf ("LZO: uncompress or overwrite error %d "
415 "- must RESET board to recover\n", ret);
417 show_boot_progress (-6);
418 return BOOTM_ERR_RESET;
421 *load_end = load + unc_len;
423 #endif /* CONFIG_LZO */
425 printf ("Unimplemented compression type %d\n", comp);
426 return BOOTM_ERR_UNIMPLEMENTED;
429 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
431 show_boot_progress (7);
433 if ((load < blob_end) && (*load_end > blob_start)) {
434 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
435 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
437 return BOOTM_ERR_OVERLAP;
443 static int bootm_start_standalone(ulong iflag, int argc, char *argv[])
446 int (*appl)(int, char *[]);
448 /* Don't start if "autostart" is set to "no" */
449 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
451 sprintf(buf, "%lX", images.os.image_len);
452 setenv("filesize", buf);
455 appl = (int (*)(int, char *[]))ntohl(images.ep);
456 (*appl)(argc-1, &argv[1]);
461 /* we overload the cmd field with our state machine info instead of a
462 * function pointer */
463 static cmd_tbl_t cmd_bootm_sub[] = {
464 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
465 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
466 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
467 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
469 #ifdef CONFIG_OF_LIBFDT
470 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
472 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
473 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
474 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
475 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
478 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
485 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
490 /* treat start special since it resets the state machine */
491 if (state == BOOTM_STATE_START) {
494 return bootm_start(cmdtp, flag, argc, argv);
497 /* Unrecognized command */
503 if (images.state >= state) {
504 printf ("Trying to execute a command out of order\n");
509 images.state |= state;
510 boot_fn = boot_os[images.os.os];
514 case BOOTM_STATE_START:
515 /* should never occur */
517 case BOOTM_STATE_LOADOS:
518 ret = bootm_load_os(images.os, &load_end, 0);
522 lmb_reserve(&images.lmb, images.os.load,
523 (load_end - images.os.load));
525 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
526 case BOOTM_STATE_RAMDISK:
528 ulong rd_len = images.rd_end - images.rd_start;
531 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
532 rd_len, &images.initrd_start, &images.initrd_end);
536 sprintf(str, "%lx", images.initrd_start);
537 setenv("initrd_start", str);
538 sprintf(str, "%lx", images.initrd_end);
539 setenv("initrd_end", str);
543 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
544 case BOOTM_STATE_FDT:
546 ulong bootmap_base = getenv_bootm_low();
547 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
548 &images.ft_addr, &images.ft_len);
552 case BOOTM_STATE_OS_CMDLINE:
553 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
555 printf ("cmdline subcommand not supported\n");
557 case BOOTM_STATE_OS_BD_T:
558 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
560 printf ("bdt subcommand not supported\n");
562 case BOOTM_STATE_OS_PREP:
563 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
565 printf ("prep subcommand not supported\n");
567 case BOOTM_STATE_OS_GO:
568 disable_interrupts();
570 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
577 /*******************************************************************/
578 /* bootm - boot application image from image in memory */
579 /*******************************************************************/
581 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
587 #ifndef CONFIG_RELOC_FIXUP_WORKS
588 static int relocated = 0;
590 /* relocate boot function table */
593 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
594 if (boot_os[i] != NULL)
595 boot_os[i] += gd->reloc_off;
600 /* determine if we have a sub command */
604 simple_strtoul(argv[1], &endp, 16);
605 /* endp pointing to NULL means that argv[1] was just a
606 * valid number, pass it along to the normal bootm processing
608 * If endp is ':' or '#' assume a FIT identifier so pass
609 * along for normal processing.
611 * Right now we assume the first arg should never be '-'
613 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
614 return do_bootm_subcommand(cmdtp, flag, argc, argv);
617 if (bootm_start(cmdtp, flag, argc, argv))
621 * We have reached the point of no return: we are going to
622 * overwrite all exception vector code, so we cannot easily
623 * recover from any failures any more...
625 iflag = disable_interrupts();
627 #if defined(CONFIG_CMD_USB)
629 * turn off USB to prevent the host controller from writing to the
630 * SDRAM while Linux is booting. This could happen (at least for OHCI
631 * controller), because the HCCA (Host Controller Communication Area)
632 * lies within the SDRAM and the host controller writes continously to
633 * this area (as busmaster!). The HccaFrameNumber is for example
634 * updated every 1 ms within the HCCA structure in SDRAM! For more
635 * details see the OpenHCI specification.
640 #ifdef CONFIG_AMIGAONEG3SE
642 * We've possible left the caches enabled during
643 * bios emulation, so turn them off again
649 ret = bootm_load_os(images.os, &load_end, 1);
652 if (ret == BOOTM_ERR_RESET)
653 do_reset (cmdtp, flag, argc, argv);
654 if (ret == BOOTM_ERR_OVERLAP) {
655 if (images.legacy_hdr_valid) {
656 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
657 puts ("WARNING: legacy format multi component "
658 "image overwritten\n");
660 puts ("ERROR: new format image overwritten - "
661 "must RESET the board to recover\n");
662 show_boot_progress (-113);
663 do_reset (cmdtp, flag, argc, argv);
666 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
669 show_boot_progress (-7);
674 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
676 if (images.os.type == IH_TYPE_STANDALONE) {
679 /* This may return when 'autostart' is 'no' */
680 bootm_start_standalone(iflag, argc, argv);
684 show_boot_progress (8);
686 #ifdef CONFIG_SILENT_CONSOLE
687 if (images.os.os == IH_OS_LINUX)
688 fixup_silent_linux();
691 boot_fn = boot_os[images.os.os];
693 if (boot_fn == NULL) {
696 printf ("ERROR: booting os '%s' (%d) is not supported\n",
697 genimg_get_os_name(images.os.os), images.os.os);
698 show_boot_progress (-8);
704 boot_fn(0, argc, argv, &images);
706 show_boot_progress (-9);
708 puts ("\n## Control returned to monitor - resetting...\n");
710 do_reset (cmdtp, flag, argc, argv);
716 * image_get_kernel - verify legacy format kernel image
717 * @img_addr: in RAM address of the legacy format image to be verified
718 * @verify: data CRC verification flag
720 * image_get_kernel() verifies legacy image integrity and returns pointer to
721 * legacy image header if image verification was completed successfully.
724 * pointer to a legacy image header if valid image was found
725 * otherwise return NULL
727 static image_header_t *image_get_kernel (ulong img_addr, int verify)
729 image_header_t *hdr = (image_header_t *)img_addr;
731 if (!image_check_magic(hdr)) {
732 puts ("Bad Magic Number\n");
733 show_boot_progress (-1);
736 show_boot_progress (2);
738 if (!image_check_hcrc (hdr)) {
739 puts ("Bad Header Checksum\n");
740 show_boot_progress (-2);
744 show_boot_progress (3);
745 image_print_contents (hdr);
748 puts (" Verifying Checksum ... ");
749 if (!image_check_dcrc (hdr)) {
750 printf ("Bad Data CRC\n");
751 show_boot_progress (-3);
756 show_boot_progress (4);
758 if (!image_check_target_arch (hdr)) {
759 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
760 show_boot_progress (-4);
767 * fit_check_kernel - verify FIT format kernel subimage
768 * @fit_hdr: pointer to the FIT image header
769 * os_noffset: kernel subimage node offset within FIT image
770 * @verify: data CRC verification flag
772 * fit_check_kernel() verifies integrity of the kernel subimage and from
773 * specified FIT image.
779 #if defined (CONFIG_FIT)
780 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
782 fit_image_print (fit, os_noffset, " ");
785 puts (" Verifying Hash Integrity ... ");
786 if (!fit_image_check_hashes (fit, os_noffset)) {
787 puts ("Bad Data Hash\n");
788 show_boot_progress (-104);
793 show_boot_progress (105);
795 if (!fit_image_check_target_arch (fit, os_noffset)) {
796 puts ("Unsupported Architecture\n");
797 show_boot_progress (-105);
801 show_boot_progress (106);
802 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
803 puts ("Not a kernel image\n");
804 show_boot_progress (-106);
808 show_boot_progress (107);
811 #endif /* CONFIG_FIT */
814 * boot_get_kernel - find kernel image
815 * @os_data: pointer to a ulong variable, will hold os data start address
816 * @os_len: pointer to a ulong variable, will hold os data length
818 * boot_get_kernel() tries to find a kernel image, verifies its integrity
819 * and locates kernel data.
822 * pointer to image header if valid image was found, plus kernel start
823 * address and length, otherwise NULL
825 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
826 bootm_headers_t *images, ulong *os_data, ulong *os_len)
830 #if defined(CONFIG_FIT)
832 const char *fit_uname_config = NULL;
833 const char *fit_uname_kernel = NULL;
840 /* find out kernel image address */
842 img_addr = load_addr;
843 debug ("* kernel: default image load address = 0x%08lx\n",
845 #if defined(CONFIG_FIT)
846 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
847 &fit_uname_config)) {
848 debug ("* kernel: config '%s' from image at 0x%08lx\n",
849 fit_uname_config, img_addr);
850 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
851 &fit_uname_kernel)) {
852 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
853 fit_uname_kernel, img_addr);
856 img_addr = simple_strtoul(argv[1], NULL, 16);
857 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
860 show_boot_progress (1);
862 /* copy from dataflash if needed */
863 img_addr = genimg_get_image (img_addr);
865 /* check image type, for FIT images get FIT kernel node */
866 *os_data = *os_len = 0;
867 switch (genimg_get_format ((void *)img_addr)) {
868 case IMAGE_FORMAT_LEGACY:
869 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
871 hdr = image_get_kernel (img_addr, images->verify);
874 show_boot_progress (5);
876 /* get os_data and os_len */
877 switch (image_get_type (hdr)) {
879 *os_data = image_get_data (hdr);
880 *os_len = image_get_data_size (hdr);
883 image_multi_getimg (hdr, 0, os_data, os_len);
885 case IH_TYPE_STANDALONE:
886 *os_data = image_get_data (hdr);
887 *os_len = image_get_data_size (hdr);
890 printf ("Wrong Image Type for %s command\n", cmdtp->name);
891 show_boot_progress (-5);
896 * copy image header to allow for image overwrites during kernel
899 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
901 /* save pointer to image header */
902 images->legacy_hdr_os = hdr;
904 images->legacy_hdr_valid = 1;
905 show_boot_progress (6);
907 #if defined(CONFIG_FIT)
908 case IMAGE_FORMAT_FIT:
909 fit_hdr = (void *)img_addr;
910 printf ("## Booting kernel from FIT Image at %08lx ...\n",
913 if (!fit_check_format (fit_hdr)) {
914 puts ("Bad FIT kernel image format!\n");
915 show_boot_progress (-100);
918 show_boot_progress (100);
920 if (!fit_uname_kernel) {
922 * no kernel image node unit name, try to get config
923 * node first. If config unit node name is NULL
924 * fit_conf_get_node() will try to find default config node
926 show_boot_progress (101);
927 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
928 if (cfg_noffset < 0) {
929 show_boot_progress (-101);
932 /* save configuration uname provided in the first
935 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
936 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
937 show_boot_progress (103);
939 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
940 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
942 /* get kernel component image node offset */
943 show_boot_progress (102);
944 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
946 if (os_noffset < 0) {
947 show_boot_progress (-103);
951 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
953 show_boot_progress (104);
954 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
957 /* get kernel image data address and length */
958 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
959 puts ("Could not find kernel subimage data!\n");
960 show_boot_progress (-107);
963 show_boot_progress (108);
966 *os_data = (ulong)data;
967 images->fit_hdr_os = fit_hdr;
968 images->fit_uname_os = fit_uname_kernel;
969 images->fit_noffset_os = os_noffset;
973 printf ("Wrong Image Format for %s command\n", cmdtp->name);
974 show_boot_progress (-108);
978 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
979 *os_data, *os_len, *os_len);
981 return (void *)img_addr;
985 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
986 "boot application image from memory",
987 "[addr [arg ...]]\n - boot application image stored in memory\n"
988 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
989 "\t'arg' can be the address of an initrd image\n"
990 #if defined(CONFIG_OF_LIBFDT)
991 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
992 "\ta third argument is required which is the address of the\n"
993 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
994 "\tuse a '-' for the second argument. If you do not pass a third\n"
995 "\ta bd_info struct will be passed instead\n"
997 #if defined(CONFIG_FIT)
998 "\t\nFor the new multi component uImage format (FIT) addresses\n"
999 "\tmust be extened to include component or configuration unit name:\n"
1000 "\taddr:<subimg_uname> - direct component image specification\n"
1001 "\taddr#<conf_uname> - configuration specification\n"
1002 "\tUse iminfo command to get the list of existing component\n"
1003 "\timages and configurations.\n"
1005 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1007 "issued in the order below (it's ok to not issue all sub-commands):\n"
1008 "\tstart [addr [arg ...]]\n"
1009 "\tloados - load OS image\n"
1010 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1011 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1013 #if defined(CONFIG_OF_LIBFDT)
1014 "\tfdt - relocate flat device tree\n"
1016 "\tcmdline - OS specific command line processing/setup\n"
1017 "\tbdt - OS specific bd_t processing\n"
1018 "\tprep - OS specific prep before relocation or go\n"
1022 /*******************************************************************/
1023 /* bootd - boot default image */
1024 /*******************************************************************/
1025 #if defined(CONFIG_CMD_BOOTD)
1026 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1030 #ifndef CONFIG_SYS_HUSH_PARSER
1031 if (run_command (getenv ("bootcmd"), flag) < 0)
1034 if (parse_string_outer (getenv ("bootcmd"),
1035 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1042 boot, 1, 1, do_bootd,
1043 "boot default, i.e., run 'bootcmd'",
1047 /* keep old command name "bootd" for backward compatibility */
1049 bootd, 1, 1, do_bootd,
1050 "boot default, i.e., run 'bootcmd'",
1057 /*******************************************************************/
1058 /* iminfo - print header info for a requested image */
1059 /*******************************************************************/
1060 #if defined(CONFIG_CMD_IMI)
1061 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1068 return image_info (load_addr);
1071 for (arg = 1; arg < argc; ++arg) {
1072 addr = simple_strtoul (argv[arg], NULL, 16);
1073 if (image_info (addr) != 0)
1079 static int image_info (ulong addr)
1081 void *hdr = (void *)addr;
1083 printf ("\n## Checking Image at %08lx ...\n", addr);
1085 switch (genimg_get_format (hdr)) {
1086 case IMAGE_FORMAT_LEGACY:
1087 puts (" Legacy image found\n");
1088 if (!image_check_magic (hdr)) {
1089 puts (" Bad Magic Number\n");
1093 if (!image_check_hcrc (hdr)) {
1094 puts (" Bad Header Checksum\n");
1098 image_print_contents (hdr);
1100 puts (" Verifying Checksum ... ");
1101 if (!image_check_dcrc (hdr)) {
1102 puts (" Bad Data CRC\n");
1107 #if defined(CONFIG_FIT)
1108 case IMAGE_FORMAT_FIT:
1109 puts (" FIT image found\n");
1111 if (!fit_check_format (hdr)) {
1112 puts ("Bad FIT image format!\n");
1116 fit_print_contents (hdr);
1118 if (!fit_all_image_check_hashes (hdr)) {
1119 puts ("Bad hash in FIT image!\n");
1126 puts ("Unknown image format!\n");
1134 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1135 "print header information for application image",
1137 " - print header information for application image starting at\n"
1138 " address 'addr' in memory; this includes verification of the\n"
1139 " image contents (magic number, header and payload checksums)"
1144 /*******************************************************************/
1145 /* imls - list all images found in flash */
1146 /*******************************************************************/
1147 #if defined(CONFIG_CMD_IMLS)
1148 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1154 for (i = 0, info = &flash_info[0];
1155 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1157 if (info->flash_id == FLASH_UNKNOWN)
1159 for (j = 0; j < info->sector_count; ++j) {
1161 hdr = (void *)info->start[j];
1165 switch (genimg_get_format (hdr)) {
1166 case IMAGE_FORMAT_LEGACY:
1167 if (!image_check_hcrc (hdr))
1170 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1171 image_print_contents (hdr);
1173 puts (" Verifying Checksum ... ");
1174 if (!image_check_dcrc (hdr)) {
1175 puts ("Bad Data CRC\n");
1180 #if defined(CONFIG_FIT)
1181 case IMAGE_FORMAT_FIT:
1182 if (!fit_check_format (hdr))
1185 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1186 fit_print_contents (hdr);
1202 imls, 1, 1, do_imls,
1203 "list all images found in flash",
1205 " - Prints information about all images found at sector\n"
1206 " boundaries in flash."
1210 /*******************************************************************/
1211 /* helper routines */
1212 /*******************************************************************/
1213 #ifdef CONFIG_SILENT_CONSOLE
1214 static void fixup_silent_linux ()
1216 char buf[256], *start, *end;
1217 char *cmdline = getenv ("bootargs");
1219 /* Only fix cmdline when requested */
1220 if (!(gd->flags & GD_FLG_SILENT))
1223 debug ("before silent fix-up: %s\n", cmdline);
1225 if ((start = strstr (cmdline, "console=")) != NULL) {
1226 end = strchr (start, ' ');
1227 strncpy (buf, cmdline, (start - cmdline + 8));
1229 strcpy (buf + (start - cmdline + 8), end);
1231 buf[start - cmdline + 8] = '\0';
1233 strcpy (buf, cmdline);
1234 strcat (buf, " console=");
1237 strcpy (buf, "console=");
1240 setenv ("bootargs", buf);
1241 debug ("after silent fix-up: %s\n", buf);
1243 #endif /* CONFIG_SILENT_CONSOLE */
1246 /*******************************************************************/
1247 /* OS booting routines */
1248 /*******************************************************************/
1250 #ifdef CONFIG_BOOTM_NETBSD
1251 static int do_bootm_netbsd (int flag, int argc, char *argv[],
1252 bootm_headers_t *images)
1254 void (*loader)(bd_t *, image_header_t *, char *, char *);
1255 image_header_t *os_hdr, *hdr;
1256 ulong kernel_data, kernel_len;
1260 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1263 #if defined(CONFIG_FIT)
1264 if (!images->legacy_hdr_valid) {
1265 fit_unsupported_reset ("NetBSD");
1269 hdr = images->legacy_hdr_os;
1272 * Booting a (NetBSD) kernel image
1274 * This process is pretty similar to a standalone application:
1275 * The (first part of an multi-) image must be a stage-2 loader,
1276 * which in turn is responsible for loading & invoking the actual
1277 * kernel. The only differences are the parameters being passed:
1278 * besides the board info strucure, the loader expects a command
1279 * line, the name of the console device, and (optionally) the
1280 * address of the original image header.
1283 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1284 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1290 #if defined (CONFIG_8xx_CONS_SMC1)
1292 #elif defined (CONFIG_8xx_CONS_SMC2)
1294 #elif defined (CONFIG_8xx_CONS_SCC2)
1296 #elif defined (CONFIG_8xx_CONS_SCC3)
1304 for (i = 2, len = 0; i < argc; i += 1)
1305 len += strlen (argv[i]) + 1;
1306 cmdline = malloc (len);
1308 for (i = 2, len = 0; i < argc; i += 1) {
1310 cmdline[len++] = ' ';
1311 strcpy (&cmdline[len], argv[i]);
1312 len += strlen (argv[i]);
1314 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1318 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1320 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1323 show_boot_progress (15);
1326 * NetBSD Stage-2 Loader Parameters:
1327 * r3: ptr to board info data
1329 * r5: console device
1330 * r6: boot args string
1332 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1336 #endif /* CONFIG_BOOTM_NETBSD*/
1338 #ifdef CONFIG_LYNXKDI
1339 static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
1340 bootm_headers_t *images)
1342 image_header_t *hdr = &images->legacy_hdr_os_copy;
1344 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1347 #if defined(CONFIG_FIT)
1348 if (!images->legacy_hdr_valid) {
1349 fit_unsupported_reset ("Lynx");
1354 lynxkdi_boot ((image_header_t *)hdr);
1358 #endif /* CONFIG_LYNXKDI */
1360 #ifdef CONFIG_BOOTM_RTEMS
1361 static int do_bootm_rtems (int flag, int argc, char *argv[],
1362 bootm_headers_t *images)
1364 void (*entry_point)(bd_t *);
1366 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1369 #if defined(CONFIG_FIT)
1370 if (!images->legacy_hdr_valid) {
1371 fit_unsupported_reset ("RTEMS");
1376 entry_point = (void (*)(bd_t *))images->ep;
1378 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1379 (ulong)entry_point);
1381 show_boot_progress (15);
1385 * r3: ptr to board info data
1387 (*entry_point)(gd->bd);
1391 #endif /* CONFIG_BOOTM_RTEMS */
1393 #if defined(CONFIG_CMD_ELF)
1394 static int do_bootm_vxworks (int flag, int argc, char *argv[],
1395 bootm_headers_t *images)
1399 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1402 #if defined(CONFIG_FIT)
1403 if (!images->legacy_hdr_valid) {
1404 fit_unsupported_reset ("VxWorks");
1409 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1410 setenv("loadaddr", str);
1411 do_bootvx(NULL, 0, 0, NULL);
1416 static int do_bootm_qnxelf(int flag, int argc, char *argv[],
1417 bootm_headers_t *images)
1419 char *local_args[2];
1422 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1425 #if defined(CONFIG_FIT)
1426 if (!images->legacy_hdr_valid) {
1427 fit_unsupported_reset ("QNX");
1432 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1433 local_args[0] = argv[0];
1434 local_args[1] = str; /* and provide it via the arguments */
1435 do_bootelf(NULL, 0, 2, local_args);
1441 #ifdef CONFIG_INTEGRITY
1442 static int do_bootm_integrity (int flag, int argc, char *argv[],
1443 bootm_headers_t *images)
1445 void (*entry_point)(void);
1447 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1450 #if defined(CONFIG_FIT)
1451 if (!images->legacy_hdr_valid) {
1452 fit_unsupported_reset ("INTEGRITY");
1457 entry_point = (void (*)(void))images->ep;
1459 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1460 (ulong)entry_point);
1462 show_boot_progress (15);
1465 * INTEGRITY Parameters: