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 static 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")));
169 #define IH_INITRD_ARCH IH_ARCH_ARM
170 #elif defined(__avr32__)
171 #define IH_INITRD_ARCH IH_ARCH_AVR32
172 #elif defined(__bfin__)
173 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
174 #elif defined(__I386__)
175 #define IH_INITRD_ARCH IH_ARCH_I386
176 #elif defined(__M68K__)
177 #define IH_INITRD_ARCH IH_ARCH_M68K
178 #elif defined(__microblaze__)
179 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
180 #elif defined(__mips__)
181 #define IH_INITRD_ARCH IH_ARCH_MIPS
182 #elif defined(__nios2__)
183 #define IH_INITRD_ARCH IH_ARCH_NIOS2
184 #elif defined(__PPC__)
185 #define IH_INITRD_ARCH IH_ARCH_PPC
186 #elif defined(__sh__)
187 #define IH_INITRD_ARCH IH_ARCH_SH
188 #elif defined(__sparc__)
189 #define IH_INITRD_ARCH IH_ARCH_SPARC
191 # error Unknown CPU type
194 static void bootm_start_lmb(void)
198 phys_size_t mem_size;
200 lmb_init(&images.lmb);
202 mem_start = getenv_bootm_low();
203 mem_size = getenv_bootm_size();
205 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
207 arch_lmb_reserve(&images.lmb);
208 board_lmb_reserve(&images.lmb);
210 # define lmb_reserve(lmb, base, size)
214 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
219 memset ((void *)&images, 0, sizeof (images));
220 images.verify = getenv_yesno ("verify");
224 /* get kernel image header, start address and length */
225 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
226 &images, &images.os.image_start, &images.os.image_len);
227 if (images.os.image_len == 0) {
228 puts ("ERROR: can't get kernel image!\n");
232 /* get image parameters */
233 switch (genimg_get_format (os_hdr)) {
234 case IMAGE_FORMAT_LEGACY:
235 images.os.type = image_get_type (os_hdr);
236 images.os.comp = image_get_comp (os_hdr);
237 images.os.os = image_get_os (os_hdr);
239 images.os.end = image_get_image_end (os_hdr);
240 images.os.load = image_get_load (os_hdr);
242 #if defined(CONFIG_FIT)
243 case IMAGE_FORMAT_FIT:
244 if (fit_image_get_type (images.fit_hdr_os,
245 images.fit_noffset_os, &images.os.type)) {
246 puts ("Can't get image type!\n");
247 show_boot_progress (-109);
251 if (fit_image_get_comp (images.fit_hdr_os,
252 images.fit_noffset_os, &images.os.comp)) {
253 puts ("Can't get image compression!\n");
254 show_boot_progress (-110);
258 if (fit_image_get_os (images.fit_hdr_os,
259 images.fit_noffset_os, &images.os.os)) {
260 puts ("Can't get image OS!\n");
261 show_boot_progress (-111);
265 images.os.end = fit_get_end (images.fit_hdr_os);
267 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
269 puts ("Can't get image load address!\n");
270 show_boot_progress (-112);
276 puts ("ERROR: unknown image format type!\n");
280 /* find kernel entry point */
281 if (images.legacy_hdr_valid) {
282 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
283 #if defined(CONFIG_FIT)
284 } else if (images.fit_uname_os) {
285 ret = fit_image_get_entry (images.fit_hdr_os,
286 images.fit_noffset_os, &images.ep);
288 puts ("Can't get entry point property!\n");
293 puts ("Could not find kernel entry point!\n");
297 if (((images.os.type == IH_TYPE_KERNEL) ||
298 (images.os.type == IH_TYPE_MULTI)) &&
299 (images.os.os == IH_OS_LINUX)) {
301 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
302 &images.rd_start, &images.rd_end);
304 puts ("Ramdisk image is corrupt or invalid\n");
308 #if defined(CONFIG_OF_LIBFDT)
309 /* find flattened device tree */
310 ret = boot_get_fdt (flag, argc, argv, &images,
311 &images.ft_addr, &images.ft_len);
313 puts ("Could not find a valid device tree\n");
317 set_working_fdt_addr(images.ft_addr);
321 images.os.start = (ulong)os_hdr;
322 images.state = BOOTM_STATE_START;
327 #define BOOTM_ERR_RESET -1
328 #define BOOTM_ERR_OVERLAP -2
329 #define BOOTM_ERR_UNIMPLEMENTED -3
330 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
332 uint8_t comp = os.comp;
333 ulong load = os.load;
334 ulong blob_start = os.start;
335 ulong blob_end = os.end;
336 ulong image_start = os.image_start;
337 ulong image_len = os.image_len;
338 uint unc_len = CONFIG_SYS_BOOTM_LEN;
339 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
341 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
343 const char *type_name = genimg_get_type_name (os.type);
347 if (load == blob_start || load == image_start) {
348 printf (" XIP %s ... ", type_name);
350 printf (" Loading %s ... ", type_name);
351 memmove_wd ((void *)load, (void *)image_start,
354 *load_end = load + image_len;
359 printf (" Uncompressing %s ... ", type_name);
360 if (gunzip ((void *)load, unc_len,
361 (uchar *)image_start, &image_len) != 0) {
362 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
363 "- must RESET board to recover\n");
365 show_boot_progress (-6);
366 return BOOTM_ERR_RESET;
369 *load_end = load + image_len;
371 #endif /* CONFIG_GZIP */
374 printf (" Uncompressing %s ... ", type_name);
376 * If we've got less than 4 MB of malloc() space,
377 * use slower decompression algorithm which requires
378 * at most 2300 KB of memory.
380 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
381 &unc_len, (char *)image_start, image_len,
382 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
384 printf ("BUNZIP2: uncompress or overwrite error %d "
385 "- must RESET board to recover\n", i);
387 show_boot_progress (-6);
388 return BOOTM_ERR_RESET;
391 *load_end = load + unc_len;
393 #endif /* CONFIG_BZIP2 */
396 SizeT lzma_len = unc_len;
397 printf (" Uncompressing %s ... ", type_name);
399 ret = lzmaBuffToBuffDecompress(
400 (unsigned char *)load, &lzma_len,
401 (unsigned char *)image_start, image_len);
404 printf ("LZMA: uncompress or overwrite error %d "
405 "- must RESET board to recover\n", ret);
406 show_boot_progress (-6);
407 return BOOTM_ERR_RESET;
409 *load_end = load + unc_len;
412 #endif /* CONFIG_LZMA */
415 printf (" Uncompressing %s ... ", type_name);
417 ret = lzop_decompress((const unsigned char *)image_start,
418 image_len, (unsigned char *)load,
420 if (ret != LZO_E_OK) {
421 printf ("LZO: uncompress or overwrite error %d "
422 "- must RESET board to recover\n", ret);
424 show_boot_progress (-6);
425 return BOOTM_ERR_RESET;
428 *load_end = load + unc_len;
430 #endif /* CONFIG_LZO */
432 printf ("Unimplemented compression type %d\n", comp);
433 return BOOTM_ERR_UNIMPLEMENTED;
436 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
438 show_boot_progress (7);
440 if ((load < blob_end) && (*load_end > blob_start)) {
441 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
442 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
444 return BOOTM_ERR_OVERLAP;
450 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
453 int (*appl)(int, char * const []);
455 /* Don't start if "autostart" is set to "no" */
456 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
458 sprintf(buf, "%lX", images.os.image_len);
459 setenv("filesize", buf);
462 appl = (int (*)(int, char * const []))ntohl(images.ep);
463 (*appl)(argc-1, &argv[1]);
468 /* we overload the cmd field with our state machine info instead of a
469 * function pointer */
470 static cmd_tbl_t cmd_bootm_sub[] = {
471 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
472 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
473 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
474 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
476 #ifdef CONFIG_OF_LIBFDT
477 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
479 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
480 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
481 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
482 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
485 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
492 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
497 /* treat start special since it resets the state machine */
498 if (state == BOOTM_STATE_START) {
501 return bootm_start(cmdtp, flag, argc, argv);
504 /* Unrecognized command */
505 return cmd_usage(cmdtp);
508 if (images.state >= state) {
509 printf ("Trying to execute a command out of order\n");
510 return cmd_usage(cmdtp);
513 images.state |= state;
514 boot_fn = boot_os[images.os.os];
518 case BOOTM_STATE_START:
519 /* should never occur */
521 case BOOTM_STATE_LOADOS:
522 ret = bootm_load_os(images.os, &load_end, 0);
526 lmb_reserve(&images.lmb, images.os.load,
527 (load_end - images.os.load));
529 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
530 case BOOTM_STATE_RAMDISK:
532 ulong rd_len = images.rd_end - images.rd_start;
535 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
536 rd_len, &images.initrd_start, &images.initrd_end);
540 sprintf(str, "%lx", images.initrd_start);
541 setenv("initrd_start", str);
542 sprintf(str, "%lx", images.initrd_end);
543 setenv("initrd_end", str);
547 #if defined(CONFIG_OF_LIBFDT)
548 case BOOTM_STATE_FDT:
550 ret = boot_relocate_fdt(&images.lmb,
551 &images.ft_addr, &images.ft_len);
555 case BOOTM_STATE_OS_CMDLINE:
556 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
558 printf ("cmdline subcommand not supported\n");
560 case BOOTM_STATE_OS_BD_T:
561 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
563 printf ("bdt subcommand not supported\n");
565 case BOOTM_STATE_OS_PREP:
566 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
568 printf ("prep subcommand not supported\n");
570 case BOOTM_STATE_OS_GO:
571 disable_interrupts();
573 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
580 /*******************************************************************/
581 /* bootm - boot application image from image in memory */
582 /*******************************************************************/
584 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
590 #ifdef CONFIG_NEEDS_MANUAL_RELOC
591 static int relocated = 0;
593 /* relocate boot function table */
596 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
597 if (boot_os[i] != NULL)
598 boot_os[i] += gd->reloc_off;
603 /* determine if we have a sub command */
607 simple_strtoul(argv[1], &endp, 16);
608 /* endp pointing to NULL means that argv[1] was just a
609 * valid number, pass it along to the normal bootm processing
611 * If endp is ':' or '#' assume a FIT identifier so pass
612 * along for normal processing.
614 * Right now we assume the first arg should never be '-'
616 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
617 return do_bootm_subcommand(cmdtp, flag, argc, argv);
620 if (bootm_start(cmdtp, flag, argc, argv))
624 * We have reached the point of no return: we are going to
625 * overwrite all exception vector code, so we cannot easily
626 * recover from any failures any more...
628 iflag = disable_interrupts();
630 #if defined(CONFIG_CMD_USB)
632 * turn off USB to prevent the host controller from writing to the
633 * SDRAM while Linux is booting. This could happen (at least for OHCI
634 * controller), because the HCCA (Host Controller Communication Area)
635 * lies within the SDRAM and the host controller writes continously to
636 * this area (as busmaster!). The HccaFrameNumber is for example
637 * updated every 1 ms within the HCCA structure in SDRAM! For more
638 * details see the OpenHCI specification.
643 ret = bootm_load_os(images.os, &load_end, 1);
646 if (ret == BOOTM_ERR_RESET)
647 do_reset (cmdtp, flag, argc, argv);
648 if (ret == BOOTM_ERR_OVERLAP) {
649 if (images.legacy_hdr_valid) {
650 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
651 puts ("WARNING: legacy format multi component "
652 "image overwritten\n");
654 puts ("ERROR: new format image overwritten - "
655 "must RESET the board to recover\n");
656 show_boot_progress (-113);
657 do_reset (cmdtp, flag, argc, argv);
660 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
663 show_boot_progress (-7);
668 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
670 if (images.os.type == IH_TYPE_STANDALONE) {
673 /* This may return when 'autostart' is 'no' */
674 bootm_start_standalone(iflag, argc, argv);
678 show_boot_progress (8);
680 #ifdef CONFIG_SILENT_CONSOLE
681 if (images.os.os == IH_OS_LINUX)
682 fixup_silent_linux();
685 boot_fn = boot_os[images.os.os];
687 if (boot_fn == NULL) {
690 printf ("ERROR: booting os '%s' (%d) is not supported\n",
691 genimg_get_os_name(images.os.os), images.os.os);
692 show_boot_progress (-8);
698 boot_fn(0, argc, argv, &images);
700 show_boot_progress (-9);
702 puts ("\n## Control returned to monitor - resetting...\n");
704 do_reset (cmdtp, flag, argc, argv);
710 * image_get_kernel - verify legacy format kernel image
711 * @img_addr: in RAM address of the legacy format image to be verified
712 * @verify: data CRC verification flag
714 * image_get_kernel() verifies legacy image integrity and returns pointer to
715 * legacy image header if image verification was completed successfully.
718 * pointer to a legacy image header if valid image was found
719 * otherwise return NULL
721 static image_header_t *image_get_kernel (ulong img_addr, int verify)
723 image_header_t *hdr = (image_header_t *)img_addr;
725 if (!image_check_magic(hdr)) {
726 puts ("Bad Magic Number\n");
727 show_boot_progress (-1);
730 show_boot_progress (2);
732 if (!image_check_hcrc (hdr)) {
733 puts ("Bad Header Checksum\n");
734 show_boot_progress (-2);
738 show_boot_progress (3);
739 image_print_contents (hdr);
742 puts (" Verifying Checksum ... ");
743 if (!image_check_dcrc (hdr)) {
744 printf ("Bad Data CRC\n");
745 show_boot_progress (-3);
750 show_boot_progress (4);
752 if (!image_check_target_arch (hdr)) {
753 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
754 show_boot_progress (-4);
761 * fit_check_kernel - verify FIT format kernel subimage
762 * @fit_hdr: pointer to the FIT image header
763 * os_noffset: kernel subimage node offset within FIT image
764 * @verify: data CRC verification flag
766 * fit_check_kernel() verifies integrity of the kernel subimage and from
767 * specified FIT image.
773 #if defined (CONFIG_FIT)
774 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
776 fit_image_print (fit, os_noffset, " ");
779 puts (" Verifying Hash Integrity ... ");
780 if (!fit_image_check_hashes (fit, os_noffset)) {
781 puts ("Bad Data Hash\n");
782 show_boot_progress (-104);
787 show_boot_progress (105);
789 if (!fit_image_check_target_arch (fit, os_noffset)) {
790 puts ("Unsupported Architecture\n");
791 show_boot_progress (-105);
795 show_boot_progress (106);
796 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
797 puts ("Not a kernel image\n");
798 show_boot_progress (-106);
802 show_boot_progress (107);
805 #endif /* CONFIG_FIT */
808 * boot_get_kernel - find kernel image
809 * @os_data: pointer to a ulong variable, will hold os data start address
810 * @os_len: pointer to a ulong variable, will hold os data length
812 * boot_get_kernel() tries to find a kernel image, verifies its integrity
813 * and locates kernel data.
816 * pointer to image header if valid image was found, plus kernel start
817 * address and length, otherwise NULL
819 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
820 bootm_headers_t *images, ulong *os_data, ulong *os_len)
824 #if defined(CONFIG_FIT)
826 const char *fit_uname_config = NULL;
827 const char *fit_uname_kernel = NULL;
834 /* find out kernel image address */
836 img_addr = load_addr;
837 debug ("* kernel: default image load address = 0x%08lx\n",
839 #if defined(CONFIG_FIT)
840 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
841 &fit_uname_config)) {
842 debug ("* kernel: config '%s' from image at 0x%08lx\n",
843 fit_uname_config, img_addr);
844 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
845 &fit_uname_kernel)) {
846 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
847 fit_uname_kernel, img_addr);
850 img_addr = simple_strtoul(argv[1], NULL, 16);
851 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
854 show_boot_progress (1);
856 /* copy from dataflash if needed */
857 img_addr = genimg_get_image (img_addr);
859 /* check image type, for FIT images get FIT kernel node */
860 *os_data = *os_len = 0;
861 switch (genimg_get_format ((void *)img_addr)) {
862 case IMAGE_FORMAT_LEGACY:
863 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
865 hdr = image_get_kernel (img_addr, images->verify);
868 show_boot_progress (5);
870 /* get os_data and os_len */
871 switch (image_get_type (hdr)) {
873 *os_data = image_get_data (hdr);
874 *os_len = image_get_data_size (hdr);
877 image_multi_getimg (hdr, 0, os_data, os_len);
879 case IH_TYPE_STANDALONE:
880 *os_data = image_get_data (hdr);
881 *os_len = image_get_data_size (hdr);
884 printf ("Wrong Image Type for %s command\n", cmdtp->name);
885 show_boot_progress (-5);
890 * copy image header to allow for image overwrites during kernel
893 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
895 /* save pointer to image header */
896 images->legacy_hdr_os = hdr;
898 images->legacy_hdr_valid = 1;
899 show_boot_progress (6);
901 #if defined(CONFIG_FIT)
902 case IMAGE_FORMAT_FIT:
903 fit_hdr = (void *)img_addr;
904 printf ("## Booting kernel from FIT Image at %08lx ...\n",
907 if (!fit_check_format (fit_hdr)) {
908 puts ("Bad FIT kernel image format!\n");
909 show_boot_progress (-100);
912 show_boot_progress (100);
914 if (!fit_uname_kernel) {
916 * no kernel image node unit name, try to get config
917 * node first. If config unit node name is NULL
918 * fit_conf_get_node() will try to find default config node
920 show_boot_progress (101);
921 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
922 if (cfg_noffset < 0) {
923 show_boot_progress (-101);
926 /* save configuration uname provided in the first
929 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
930 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
931 show_boot_progress (103);
933 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
934 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
936 /* get kernel component image node offset */
937 show_boot_progress (102);
938 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
940 if (os_noffset < 0) {
941 show_boot_progress (-103);
945 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
947 show_boot_progress (104);
948 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
951 /* get kernel image data address and length */
952 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
953 puts ("Could not find kernel subimage data!\n");
954 show_boot_progress (-107);
957 show_boot_progress (108);
960 *os_data = (ulong)data;
961 images->fit_hdr_os = fit_hdr;
962 images->fit_uname_os = fit_uname_kernel;
963 images->fit_noffset_os = os_noffset;
967 printf ("Wrong Image Format for %s command\n", cmdtp->name);
968 show_boot_progress (-108);
972 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
973 *os_data, *os_len, *os_len);
975 return (void *)img_addr;
979 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
980 "boot application image from memory",
981 "[addr [arg ...]]\n - boot application image stored in memory\n"
982 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
983 "\t'arg' can be the address of an initrd image\n"
984 #if defined(CONFIG_OF_LIBFDT)
985 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
986 "\ta third argument is required which is the address of the\n"
987 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
988 "\tuse a '-' for the second argument. If you do not pass a third\n"
989 "\ta bd_info struct will be passed instead\n"
991 #if defined(CONFIG_FIT)
992 "\t\nFor the new multi component uImage format (FIT) addresses\n"
993 "\tmust be extened to include component or configuration unit name:\n"
994 "\taddr:<subimg_uname> - direct component image specification\n"
995 "\taddr#<conf_uname> - configuration specification\n"
996 "\tUse iminfo command to get the list of existing component\n"
997 "\timages and configurations.\n"
999 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1001 "issued in the order below (it's ok to not issue all sub-commands):\n"
1002 "\tstart [addr [arg ...]]\n"
1003 "\tloados - load OS image\n"
1004 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1005 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1007 #if defined(CONFIG_OF_LIBFDT)
1008 "\tfdt - relocate flat device tree\n"
1010 "\tcmdline - OS specific command line processing/setup\n"
1011 "\tbdt - OS specific bd_t processing\n"
1012 "\tprep - OS specific prep before relocation or go\n"
1016 /*******************************************************************/
1017 /* bootd - boot default image */
1018 /*******************************************************************/
1019 #if defined(CONFIG_CMD_BOOTD)
1020 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1024 #ifndef CONFIG_SYS_HUSH_PARSER
1025 if (run_command (getenv ("bootcmd"), flag) < 0)
1028 if (parse_string_outer (getenv ("bootcmd"),
1029 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1036 boot, 1, 1, do_bootd,
1037 "boot default, i.e., run 'bootcmd'",
1041 /* keep old command name "bootd" for backward compatibility */
1043 bootd, 1, 1, do_bootd,
1044 "boot default, i.e., run 'bootcmd'",
1051 /*******************************************************************/
1052 /* iminfo - print header info for a requested image */
1053 /*******************************************************************/
1054 #if defined(CONFIG_CMD_IMI)
1055 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1062 return image_info (load_addr);
1065 for (arg = 1; arg < argc; ++arg) {
1066 addr = simple_strtoul (argv[arg], NULL, 16);
1067 if (image_info (addr) != 0)
1073 static int image_info (ulong addr)
1075 void *hdr = (void *)addr;
1077 printf ("\n## Checking Image at %08lx ...\n", addr);
1079 switch (genimg_get_format (hdr)) {
1080 case IMAGE_FORMAT_LEGACY:
1081 puts (" Legacy image found\n");
1082 if (!image_check_magic (hdr)) {
1083 puts (" Bad Magic Number\n");
1087 if (!image_check_hcrc (hdr)) {
1088 puts (" Bad Header Checksum\n");
1092 image_print_contents (hdr);
1094 puts (" Verifying Checksum ... ");
1095 if (!image_check_dcrc (hdr)) {
1096 puts (" Bad Data CRC\n");
1101 #if defined(CONFIG_FIT)
1102 case IMAGE_FORMAT_FIT:
1103 puts (" FIT image found\n");
1105 if (!fit_check_format (hdr)) {
1106 puts ("Bad FIT image format!\n");
1110 fit_print_contents (hdr);
1112 if (!fit_all_image_check_hashes (hdr)) {
1113 puts ("Bad hash in FIT image!\n");
1120 puts ("Unknown image format!\n");
1128 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1129 "print header information for application image",
1131 " - print header information for application image starting at\n"
1132 " address 'addr' in memory; this includes verification of the\n"
1133 " image contents (magic number, header and payload checksums)"
1138 /*******************************************************************/
1139 /* imls - list all images found in flash */
1140 /*******************************************************************/
1141 #if defined(CONFIG_CMD_IMLS)
1142 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1148 for (i = 0, info = &flash_info[0];
1149 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1151 if (info->flash_id == FLASH_UNKNOWN)
1153 for (j = 0; j < info->sector_count; ++j) {
1155 hdr = (void *)info->start[j];
1159 switch (genimg_get_format (hdr)) {
1160 case IMAGE_FORMAT_LEGACY:
1161 if (!image_check_hcrc (hdr))
1164 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1165 image_print_contents (hdr);
1167 puts (" Verifying Checksum ... ");
1168 if (!image_check_dcrc (hdr)) {
1169 puts ("Bad Data CRC\n");
1174 #if defined(CONFIG_FIT)
1175 case IMAGE_FORMAT_FIT:
1176 if (!fit_check_format (hdr))
1179 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1180 fit_print_contents (hdr);
1196 imls, 1, 1, do_imls,
1197 "list all images found in flash",
1199 " - Prints information about all images found at sector\n"
1200 " boundaries in flash."
1204 /*******************************************************************/
1205 /* helper routines */
1206 /*******************************************************************/
1207 #ifdef CONFIG_SILENT_CONSOLE
1208 static void fixup_silent_linux ()
1210 char buf[256], *start, *end;
1211 char *cmdline = getenv ("bootargs");
1213 /* Only fix cmdline when requested */
1214 if (!(gd->flags & GD_FLG_SILENT))
1217 debug ("before silent fix-up: %s\n", cmdline);
1219 if ((start = strstr (cmdline, "console=")) != NULL) {
1220 end = strchr (start, ' ');
1221 strncpy (buf, cmdline, (start - cmdline + 8));
1223 strcpy (buf + (start - cmdline + 8), end);
1225 buf[start - cmdline + 8] = '\0';
1227 strcpy (buf, cmdline);
1228 strcat (buf, " console=");
1231 strcpy (buf, "console=");
1234 setenv ("bootargs", buf);
1235 debug ("after silent fix-up: %s\n", buf);
1237 #endif /* CONFIG_SILENT_CONSOLE */
1240 /*******************************************************************/
1241 /* OS booting routines */
1242 /*******************************************************************/
1244 #ifdef CONFIG_BOOTM_NETBSD
1245 static int do_bootm_netbsd (int flag, int argc, char * const argv[],
1246 bootm_headers_t *images)
1248 void (*loader)(bd_t *, image_header_t *, char *, char *);
1249 image_header_t *os_hdr, *hdr;
1250 ulong kernel_data, kernel_len;
1254 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1257 #if defined(CONFIG_FIT)
1258 if (!images->legacy_hdr_valid) {
1259 fit_unsupported_reset ("NetBSD");
1263 hdr = images->legacy_hdr_os;
1266 * Booting a (NetBSD) kernel image
1268 * This process is pretty similar to a standalone application:
1269 * The (first part of an multi-) image must be a stage-2 loader,
1270 * which in turn is responsible for loading & invoking the actual
1271 * kernel. The only differences are the parameters being passed:
1272 * besides the board info strucure, the loader expects a command
1273 * line, the name of the console device, and (optionally) the
1274 * address of the original image header.
1277 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1278 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1284 #if defined (CONFIG_8xx_CONS_SMC1)
1286 #elif defined (CONFIG_8xx_CONS_SMC2)
1288 #elif defined (CONFIG_8xx_CONS_SCC2)
1290 #elif defined (CONFIG_8xx_CONS_SCC3)
1298 for (i = 2, len = 0; i < argc; i += 1)
1299 len += strlen (argv[i]) + 1;
1300 cmdline = malloc (len);
1302 for (i = 2, len = 0; i < argc; i += 1) {
1304 cmdline[len++] = ' ';
1305 strcpy (&cmdline[len], argv[i]);
1306 len += strlen (argv[i]);
1308 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1312 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1314 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1317 show_boot_progress (15);
1320 * NetBSD Stage-2 Loader Parameters:
1321 * r3: ptr to board info data
1323 * r5: console device
1324 * r6: boot args string
1326 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1330 #endif /* CONFIG_BOOTM_NETBSD*/
1332 #ifdef CONFIG_LYNXKDI
1333 static int do_bootm_lynxkdi (int flag, int argc, char * const argv[],
1334 bootm_headers_t *images)
1336 image_header_t *hdr = &images->legacy_hdr_os_copy;
1338 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1341 #if defined(CONFIG_FIT)
1342 if (!images->legacy_hdr_valid) {
1343 fit_unsupported_reset ("Lynx");
1348 lynxkdi_boot ((image_header_t *)hdr);
1352 #endif /* CONFIG_LYNXKDI */
1354 #ifdef CONFIG_BOOTM_RTEMS
1355 static int do_bootm_rtems (int flag, int argc, char * const argv[],
1356 bootm_headers_t *images)
1358 void (*entry_point)(bd_t *);
1360 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1363 #if defined(CONFIG_FIT)
1364 if (!images->legacy_hdr_valid) {
1365 fit_unsupported_reset ("RTEMS");
1370 entry_point = (void (*)(bd_t *))images->ep;
1372 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1373 (ulong)entry_point);
1375 show_boot_progress (15);
1379 * r3: ptr to board info data
1381 (*entry_point)(gd->bd);
1385 #endif /* CONFIG_BOOTM_RTEMS */
1387 #if defined(CONFIG_BOOTM_OSE)
1388 static int do_bootm_ose (int flag, int argc, char * const argv[],
1389 bootm_headers_t *images)
1391 void (*entry_point)(void);
1393 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1396 #if defined(CONFIG_FIT)
1397 if (!images->legacy_hdr_valid) {
1398 fit_unsupported_reset ("OSE");
1403 entry_point = (void (*)(void))images->ep;
1405 printf ("## Transferring control to OSE (at address %08lx) ...\n",
1406 (ulong)entry_point);
1408 show_boot_progress (15);
1418 #endif /* CONFIG_BOOTM_OSE */
1420 #if defined(CONFIG_CMD_ELF)
1421 static int do_bootm_vxworks (int flag, int argc, char * const argv[],
1422 bootm_headers_t *images)
1426 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1429 #if defined(CONFIG_FIT)
1430 if (!images->legacy_hdr_valid) {
1431 fit_unsupported_reset ("VxWorks");
1436 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1437 setenv("loadaddr", str);
1438 do_bootvx(NULL, 0, 0, NULL);
1443 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1444 bootm_headers_t *images)
1446 char *local_args[2];
1449 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1452 #if defined(CONFIG_FIT)
1453 if (!images->legacy_hdr_valid) {
1454 fit_unsupported_reset ("QNX");
1459 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1460 local_args[0] = argv[0];
1461 local_args[1] = str; /* and provide it via the arguments */
1462 do_bootelf(NULL, 0, 2, local_args);
1468 #ifdef CONFIG_INTEGRITY
1469 static int do_bootm_integrity (int flag, int argc, char * const argv[],
1470 bootm_headers_t *images)
1472 void (*entry_point)(void);
1474 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1477 #if defined(CONFIG_FIT)
1478 if (!images->legacy_hdr_valid) {
1479 fit_unsupported_reset ("INTEGRITY");
1484 entry_point = (void (*)(void))images->ep;
1486 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1487 (ulong)entry_point);
1489 show_boot_progress (15);
1492 * INTEGRITY Parameters: