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 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
160 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
162 /* Allow for arch specific config before we boot */
163 void __arch_preboot_os(void)
165 /* please define platform specific arch_preboot_os() */
167 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
170 #define IH_INITRD_ARCH IH_ARCH_ARM
171 #elif defined(__avr32__)
172 #define IH_INITRD_ARCH IH_ARCH_AVR32
173 #elif defined(__bfin__)
174 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
175 #elif defined(__I386__)
176 #define IH_INITRD_ARCH IH_ARCH_I386
177 #elif defined(__M68K__)
178 #define IH_INITRD_ARCH IH_ARCH_M68K
179 #elif defined(__microblaze__)
180 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
181 #elif defined(__mips__)
182 #define IH_INITRD_ARCH IH_ARCH_MIPS
183 #elif defined(__nios2__)
184 #define IH_INITRD_ARCH IH_ARCH_NIOS2
185 #elif defined(__PPC__)
186 #define IH_INITRD_ARCH IH_ARCH_PPC
187 #elif defined(__sh__)
188 #define IH_INITRD_ARCH IH_ARCH_SH
189 #elif defined(__sparc__)
190 #define IH_INITRD_ARCH IH_ARCH_SPARC
192 # error Unknown CPU type
195 static void bootm_start_lmb(void)
199 phys_size_t mem_size;
201 lmb_init(&images.lmb);
203 mem_start = getenv_bootm_low();
204 mem_size = getenv_bootm_size();
206 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
208 arch_lmb_reserve(&images.lmb);
209 board_lmb_reserve(&images.lmb);
211 # define lmb_reserve(lmb, base, size)
215 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
220 memset ((void *)&images, 0, sizeof (images));
221 images.verify = getenv_yesno ("verify");
225 /* get kernel image header, start address and length */
226 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
227 &images, &images.os.image_start, &images.os.image_len);
228 if (images.os.image_len == 0) {
229 puts ("ERROR: can't get kernel image!\n");
233 /* get image parameters */
234 switch (genimg_get_format (os_hdr)) {
235 case IMAGE_FORMAT_LEGACY:
236 images.os.type = image_get_type (os_hdr);
237 images.os.comp = image_get_comp (os_hdr);
238 images.os.os = image_get_os (os_hdr);
240 images.os.end = image_get_image_end (os_hdr);
241 images.os.load = image_get_load (os_hdr);
243 #if defined(CONFIG_FIT)
244 case IMAGE_FORMAT_FIT:
245 if (fit_image_get_type (images.fit_hdr_os,
246 images.fit_noffset_os, &images.os.type)) {
247 puts ("Can't get image type!\n");
248 show_boot_progress (-109);
252 if (fit_image_get_comp (images.fit_hdr_os,
253 images.fit_noffset_os, &images.os.comp)) {
254 puts ("Can't get image compression!\n");
255 show_boot_progress (-110);
259 if (fit_image_get_os (images.fit_hdr_os,
260 images.fit_noffset_os, &images.os.os)) {
261 puts ("Can't get image OS!\n");
262 show_boot_progress (-111);
266 images.os.end = fit_get_end (images.fit_hdr_os);
268 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
270 puts ("Can't get image load address!\n");
271 show_boot_progress (-112);
277 puts ("ERROR: unknown image format type!\n");
281 /* find kernel entry point */
282 if (images.legacy_hdr_valid) {
283 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
284 #if defined(CONFIG_FIT)
285 } else if (images.fit_uname_os) {
286 ret = fit_image_get_entry (images.fit_hdr_os,
287 images.fit_noffset_os, &images.ep);
289 puts ("Can't get entry point property!\n");
294 puts ("Could not find kernel entry point!\n");
298 if (((images.os.type == IH_TYPE_KERNEL) ||
299 (images.os.type == IH_TYPE_MULTI)) &&
300 (images.os.os == IH_OS_LINUX)) {
302 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
303 &images.rd_start, &images.rd_end);
305 puts ("Ramdisk image is corrupt or invalid\n");
309 #if defined(CONFIG_OF_LIBFDT)
310 /* find flattened device tree */
311 ret = boot_get_fdt (flag, argc, argv, &images,
312 &images.ft_addr, &images.ft_len);
314 puts ("Could not find a valid device tree\n");
318 set_working_fdt_addr(images.ft_addr);
322 images.os.start = (ulong)os_hdr;
323 images.state = BOOTM_STATE_START;
328 #define BOOTM_ERR_RESET -1
329 #define BOOTM_ERR_OVERLAP -2
330 #define BOOTM_ERR_UNIMPLEMENTED -3
331 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
333 uint8_t comp = os.comp;
334 ulong load = os.load;
335 ulong blob_start = os.start;
336 ulong blob_end = os.end;
337 ulong image_start = os.image_start;
338 ulong image_len = os.image_len;
339 uint unc_len = CONFIG_SYS_BOOTM_LEN;
340 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
342 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
344 const char *type_name = genimg_get_type_name (os.type);
348 if (load == blob_start) {
349 printf (" XIP %s ... ", type_name);
351 printf (" Loading %s ... ", type_name);
352 memmove_wd ((void *)load, (void *)image_start,
355 *load_end = load + image_len;
360 printf (" Uncompressing %s ... ", type_name);
361 if (gunzip ((void *)load, unc_len,
362 (uchar *)image_start, &image_len) != 0) {
363 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
364 "- must RESET board to recover\n");
366 show_boot_progress (-6);
367 return BOOTM_ERR_RESET;
370 *load_end = load + image_len;
372 #endif /* CONFIG_GZIP */
375 printf (" Uncompressing %s ... ", type_name);
377 * If we've got less than 4 MB of malloc() space,
378 * use slower decompression algorithm which requires
379 * at most 2300 KB of memory.
381 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
382 &unc_len, (char *)image_start, image_len,
383 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
385 printf ("BUNZIP2: uncompress or overwrite error %d "
386 "- must RESET board to recover\n", i);
388 show_boot_progress (-6);
389 return BOOTM_ERR_RESET;
392 *load_end = load + unc_len;
394 #endif /* CONFIG_BZIP2 */
397 SizeT lzma_len = unc_len;
398 printf (" Uncompressing %s ... ", type_name);
400 ret = lzmaBuffToBuffDecompress(
401 (unsigned char *)load, &lzma_len,
402 (unsigned char *)image_start, image_len);
405 printf ("LZMA: uncompress or overwrite error %d "
406 "- must RESET board to recover\n", ret);
407 show_boot_progress (-6);
408 return BOOTM_ERR_RESET;
410 *load_end = load + unc_len;
413 #endif /* CONFIG_LZMA */
416 printf (" Uncompressing %s ... ", type_name);
418 ret = lzop_decompress((const unsigned char *)image_start,
419 image_len, (unsigned char *)load,
421 if (ret != LZO_E_OK) {
422 printf ("LZO: uncompress or overwrite error %d "
423 "- must RESET board to recover\n", ret);
425 show_boot_progress (-6);
426 return BOOTM_ERR_RESET;
429 *load_end = load + unc_len;
431 #endif /* CONFIG_LZO */
433 printf ("Unimplemented compression type %d\n", comp);
434 return BOOTM_ERR_UNIMPLEMENTED;
437 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
439 show_boot_progress (7);
441 if ((load < blob_end) && (*load_end > blob_start)) {
442 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
443 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
445 return BOOTM_ERR_OVERLAP;
451 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
454 int (*appl)(int, char * const []);
456 /* Don't start if "autostart" is set to "no" */
457 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
459 sprintf(buf, "%lX", images.os.image_len);
460 setenv("filesize", buf);
463 appl = (int (*)(int, char * const []))ntohl(images.ep);
464 (*appl)(argc-1, &argv[1]);
469 /* we overload the cmd field with our state machine info instead of a
470 * function pointer */
471 static cmd_tbl_t cmd_bootm_sub[] = {
472 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
473 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
474 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
475 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
477 #ifdef CONFIG_OF_LIBFDT
478 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
480 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
481 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
482 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
483 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
486 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
493 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
498 /* treat start special since it resets the state machine */
499 if (state == BOOTM_STATE_START) {
502 return bootm_start(cmdtp, flag, argc, argv);
505 /* Unrecognized command */
506 return cmd_usage(cmdtp);
509 if (images.state >= state) {
510 printf ("Trying to execute a command out of order\n");
511 return cmd_usage(cmdtp);
514 images.state |= state;
515 boot_fn = boot_os[images.os.os];
519 case BOOTM_STATE_START:
520 /* should never occur */
522 case BOOTM_STATE_LOADOS:
523 ret = bootm_load_os(images.os, &load_end, 0);
527 lmb_reserve(&images.lmb, images.os.load,
528 (load_end - images.os.load));
530 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
531 case BOOTM_STATE_RAMDISK:
533 ulong rd_len = images.rd_end - images.rd_start;
536 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
537 rd_len, &images.initrd_start, &images.initrd_end);
541 sprintf(str, "%lx", images.initrd_start);
542 setenv("initrd_start", str);
543 sprintf(str, "%lx", images.initrd_end);
544 setenv("initrd_end", str);
548 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
549 case BOOTM_STATE_FDT:
551 ulong bootmap_base = getenv_bootm_low();
552 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
553 &images.ft_addr, &images.ft_len);
557 case BOOTM_STATE_OS_CMDLINE:
558 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
560 printf ("cmdline subcommand not supported\n");
562 case BOOTM_STATE_OS_BD_T:
563 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
565 printf ("bdt subcommand not supported\n");
567 case BOOTM_STATE_OS_PREP:
568 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
570 printf ("prep subcommand not supported\n");
572 case BOOTM_STATE_OS_GO:
573 disable_interrupts();
575 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
582 /*******************************************************************/
583 /* bootm - boot application image from image in memory */
584 /*******************************************************************/
586 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
592 #ifdef CONFIG_NEEDS_MANUAL_RELOC
593 static int relocated = 0;
595 /* relocate boot function table */
598 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
599 if (boot_os[i] != NULL)
600 boot_os[i] += gd->reloc_off;
605 /* determine if we have a sub command */
609 simple_strtoul(argv[1], &endp, 16);
610 /* endp pointing to NULL means that argv[1] was just a
611 * valid number, pass it along to the normal bootm processing
613 * If endp is ':' or '#' assume a FIT identifier so pass
614 * along for normal processing.
616 * Right now we assume the first arg should never be '-'
618 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
619 return do_bootm_subcommand(cmdtp, flag, argc, argv);
622 if (bootm_start(cmdtp, flag, argc, argv))
626 * We have reached the point of no return: we are going to
627 * overwrite all exception vector code, so we cannot easily
628 * recover from any failures any more...
630 iflag = disable_interrupts();
632 #if defined(CONFIG_CMD_USB)
634 * turn off USB to prevent the host controller from writing to the
635 * SDRAM while Linux is booting. This could happen (at least for OHCI
636 * controller), because the HCCA (Host Controller Communication Area)
637 * lies within the SDRAM and the host controller writes continously to
638 * this area (as busmaster!). The HccaFrameNumber is for example
639 * updated every 1 ms within the HCCA structure in SDRAM! For more
640 * details see the OpenHCI specification.
645 ret = bootm_load_os(images.os, &load_end, 1);
648 if (ret == BOOTM_ERR_RESET)
649 do_reset (cmdtp, flag, argc, argv);
650 if (ret == BOOTM_ERR_OVERLAP) {
651 if (images.legacy_hdr_valid) {
652 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
653 puts ("WARNING: legacy format multi component "
654 "image overwritten\n");
656 puts ("ERROR: new format image overwritten - "
657 "must RESET the board to recover\n");
658 show_boot_progress (-113);
659 do_reset (cmdtp, flag, argc, argv);
662 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
665 show_boot_progress (-7);
670 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
672 if (images.os.type == IH_TYPE_STANDALONE) {
675 /* This may return when 'autostart' is 'no' */
676 bootm_start_standalone(iflag, argc, argv);
680 show_boot_progress (8);
682 #ifdef CONFIG_SILENT_CONSOLE
683 if (images.os.os == IH_OS_LINUX)
684 fixup_silent_linux();
687 boot_fn = boot_os[images.os.os];
689 if (boot_fn == NULL) {
692 printf ("ERROR: booting os '%s' (%d) is not supported\n",
693 genimg_get_os_name(images.os.os), images.os.os);
694 show_boot_progress (-8);
700 boot_fn(0, argc, argv, &images);
702 show_boot_progress (-9);
704 puts ("\n## Control returned to monitor - resetting...\n");
706 do_reset (cmdtp, flag, argc, argv);
712 * image_get_kernel - verify legacy format kernel image
713 * @img_addr: in RAM address of the legacy format image to be verified
714 * @verify: data CRC verification flag
716 * image_get_kernel() verifies legacy image integrity and returns pointer to
717 * legacy image header if image verification was completed successfully.
720 * pointer to a legacy image header if valid image was found
721 * otherwise return NULL
723 static image_header_t *image_get_kernel (ulong img_addr, int verify)
725 image_header_t *hdr = (image_header_t *)img_addr;
727 if (!image_check_magic(hdr)) {
728 puts ("Bad Magic Number\n");
729 show_boot_progress (-1);
732 show_boot_progress (2);
734 if (!image_check_hcrc (hdr)) {
735 puts ("Bad Header Checksum\n");
736 show_boot_progress (-2);
740 show_boot_progress (3);
741 image_print_contents (hdr);
744 puts (" Verifying Checksum ... ");
745 if (!image_check_dcrc (hdr)) {
746 printf ("Bad Data CRC\n");
747 show_boot_progress (-3);
752 show_boot_progress (4);
754 if (!image_check_target_arch (hdr)) {
755 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
756 show_boot_progress (-4);
763 * fit_check_kernel - verify FIT format kernel subimage
764 * @fit_hdr: pointer to the FIT image header
765 * os_noffset: kernel subimage node offset within FIT image
766 * @verify: data CRC verification flag
768 * fit_check_kernel() verifies integrity of the kernel subimage and from
769 * specified FIT image.
775 #if defined (CONFIG_FIT)
776 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
778 fit_image_print (fit, os_noffset, " ");
781 puts (" Verifying Hash Integrity ... ");
782 if (!fit_image_check_hashes (fit, os_noffset)) {
783 puts ("Bad Data Hash\n");
784 show_boot_progress (-104);
789 show_boot_progress (105);
791 if (!fit_image_check_target_arch (fit, os_noffset)) {
792 puts ("Unsupported Architecture\n");
793 show_boot_progress (-105);
797 show_boot_progress (106);
798 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
799 puts ("Not a kernel image\n");
800 show_boot_progress (-106);
804 show_boot_progress (107);
807 #endif /* CONFIG_FIT */
810 * boot_get_kernel - find kernel image
811 * @os_data: pointer to a ulong variable, will hold os data start address
812 * @os_len: pointer to a ulong variable, will hold os data length
814 * boot_get_kernel() tries to find a kernel image, verifies its integrity
815 * and locates kernel data.
818 * pointer to image header if valid image was found, plus kernel start
819 * address and length, otherwise NULL
821 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
822 bootm_headers_t *images, ulong *os_data, ulong *os_len)
826 #if defined(CONFIG_FIT)
828 const char *fit_uname_config = NULL;
829 const char *fit_uname_kernel = NULL;
836 /* find out kernel image address */
838 img_addr = load_addr;
839 debug ("* kernel: default image load address = 0x%08lx\n",
841 #if defined(CONFIG_FIT)
842 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
843 &fit_uname_config)) {
844 debug ("* kernel: config '%s' from image at 0x%08lx\n",
845 fit_uname_config, img_addr);
846 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
847 &fit_uname_kernel)) {
848 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
849 fit_uname_kernel, img_addr);
852 img_addr = simple_strtoul(argv[1], NULL, 16);
853 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
856 show_boot_progress (1);
858 /* copy from dataflash if needed */
859 img_addr = genimg_get_image (img_addr);
861 /* check image type, for FIT images get FIT kernel node */
862 *os_data = *os_len = 0;
863 switch (genimg_get_format ((void *)img_addr)) {
864 case IMAGE_FORMAT_LEGACY:
865 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
867 hdr = image_get_kernel (img_addr, images->verify);
870 show_boot_progress (5);
872 /* get os_data and os_len */
873 switch (image_get_type (hdr)) {
875 *os_data = image_get_data (hdr);
876 *os_len = image_get_data_size (hdr);
879 image_multi_getimg (hdr, 0, os_data, os_len);
881 case IH_TYPE_STANDALONE:
882 *os_data = image_get_data (hdr);
883 *os_len = image_get_data_size (hdr);
886 printf ("Wrong Image Type for %s command\n", cmdtp->name);
887 show_boot_progress (-5);
892 * copy image header to allow for image overwrites during kernel
895 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
897 /* save pointer to image header */
898 images->legacy_hdr_os = hdr;
900 images->legacy_hdr_valid = 1;
901 show_boot_progress (6);
903 #if defined(CONFIG_FIT)
904 case IMAGE_FORMAT_FIT:
905 fit_hdr = (void *)img_addr;
906 printf ("## Booting kernel from FIT Image at %08lx ...\n",
909 if (!fit_check_format (fit_hdr)) {
910 puts ("Bad FIT kernel image format!\n");
911 show_boot_progress (-100);
914 show_boot_progress (100);
916 if (!fit_uname_kernel) {
918 * no kernel image node unit name, try to get config
919 * node first. If config unit node name is NULL
920 * fit_conf_get_node() will try to find default config node
922 show_boot_progress (101);
923 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
924 if (cfg_noffset < 0) {
925 show_boot_progress (-101);
928 /* save configuration uname provided in the first
931 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
932 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
933 show_boot_progress (103);
935 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
936 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
938 /* get kernel component image node offset */
939 show_boot_progress (102);
940 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
942 if (os_noffset < 0) {
943 show_boot_progress (-103);
947 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
949 show_boot_progress (104);
950 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
953 /* get kernel image data address and length */
954 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
955 puts ("Could not find kernel subimage data!\n");
956 show_boot_progress (-107);
959 show_boot_progress (108);
962 *os_data = (ulong)data;
963 images->fit_hdr_os = fit_hdr;
964 images->fit_uname_os = fit_uname_kernel;
965 images->fit_noffset_os = os_noffset;
969 printf ("Wrong Image Format for %s command\n", cmdtp->name);
970 show_boot_progress (-108);
974 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
975 *os_data, *os_len, *os_len);
977 return (void *)img_addr;
981 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
982 "boot application image from memory",
983 "[addr [arg ...]]\n - boot application image stored in memory\n"
984 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
985 "\t'arg' can be the address of an initrd image\n"
986 #if defined(CONFIG_OF_LIBFDT)
987 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
988 "\ta third argument is required which is the address of the\n"
989 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
990 "\tuse a '-' for the second argument. If you do not pass a third\n"
991 "\ta bd_info struct will be passed instead\n"
993 #if defined(CONFIG_FIT)
994 "\t\nFor the new multi component uImage format (FIT) addresses\n"
995 "\tmust be extened to include component or configuration unit name:\n"
996 "\taddr:<subimg_uname> - direct component image specification\n"
997 "\taddr#<conf_uname> - configuration specification\n"
998 "\tUse iminfo command to get the list of existing component\n"
999 "\timages and configurations.\n"
1001 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1003 "issued in the order below (it's ok to not issue all sub-commands):\n"
1004 "\tstart [addr [arg ...]]\n"
1005 "\tloados - load OS image\n"
1006 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1007 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1009 #if defined(CONFIG_OF_LIBFDT)
1010 "\tfdt - relocate flat device tree\n"
1012 "\tcmdline - OS specific command line processing/setup\n"
1013 "\tbdt - OS specific bd_t processing\n"
1014 "\tprep - OS specific prep before relocation or go\n"
1018 /*******************************************************************/
1019 /* bootd - boot default image */
1020 /*******************************************************************/
1021 #if defined(CONFIG_CMD_BOOTD)
1022 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1026 #ifndef CONFIG_SYS_HUSH_PARSER
1027 if (run_command (getenv ("bootcmd"), flag) < 0)
1030 if (parse_string_outer (getenv ("bootcmd"),
1031 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1038 boot, 1, 1, do_bootd,
1039 "boot default, i.e., run 'bootcmd'",
1043 /* keep old command name "bootd" for backward compatibility */
1045 bootd, 1, 1, do_bootd,
1046 "boot default, i.e., run 'bootcmd'",
1053 /*******************************************************************/
1054 /* iminfo - print header info for a requested image */
1055 /*******************************************************************/
1056 #if defined(CONFIG_CMD_IMI)
1057 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1064 return image_info (load_addr);
1067 for (arg = 1; arg < argc; ++arg) {
1068 addr = simple_strtoul (argv[arg], NULL, 16);
1069 if (image_info (addr) != 0)
1075 static int image_info (ulong addr)
1077 void *hdr = (void *)addr;
1079 printf ("\n## Checking Image at %08lx ...\n", addr);
1081 switch (genimg_get_format (hdr)) {
1082 case IMAGE_FORMAT_LEGACY:
1083 puts (" Legacy image found\n");
1084 if (!image_check_magic (hdr)) {
1085 puts (" Bad Magic Number\n");
1089 if (!image_check_hcrc (hdr)) {
1090 puts (" Bad Header Checksum\n");
1094 image_print_contents (hdr);
1096 puts (" Verifying Checksum ... ");
1097 if (!image_check_dcrc (hdr)) {
1098 puts (" Bad Data CRC\n");
1103 #if defined(CONFIG_FIT)
1104 case IMAGE_FORMAT_FIT:
1105 puts (" FIT image found\n");
1107 if (!fit_check_format (hdr)) {
1108 puts ("Bad FIT image format!\n");
1112 fit_print_contents (hdr);
1114 if (!fit_all_image_check_hashes (hdr)) {
1115 puts ("Bad hash in FIT image!\n");
1122 puts ("Unknown image format!\n");
1130 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1131 "print header information for application image",
1133 " - print header information for application image starting at\n"
1134 " address 'addr' in memory; this includes verification of the\n"
1135 " image contents (magic number, header and payload checksums)"
1140 /*******************************************************************/
1141 /* imls - list all images found in flash */
1142 /*******************************************************************/
1143 #if defined(CONFIG_CMD_IMLS)
1144 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1150 for (i = 0, info = &flash_info[0];
1151 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1153 if (info->flash_id == FLASH_UNKNOWN)
1155 for (j = 0; j < info->sector_count; ++j) {
1157 hdr = (void *)info->start[j];
1161 switch (genimg_get_format (hdr)) {
1162 case IMAGE_FORMAT_LEGACY:
1163 if (!image_check_hcrc (hdr))
1166 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1167 image_print_contents (hdr);
1169 puts (" Verifying Checksum ... ");
1170 if (!image_check_dcrc (hdr)) {
1171 puts ("Bad Data CRC\n");
1176 #if defined(CONFIG_FIT)
1177 case IMAGE_FORMAT_FIT:
1178 if (!fit_check_format (hdr))
1181 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1182 fit_print_contents (hdr);
1198 imls, 1, 1, do_imls,
1199 "list all images found in flash",
1201 " - Prints information about all images found at sector\n"
1202 " boundaries in flash."
1206 /*******************************************************************/
1207 /* helper routines */
1208 /*******************************************************************/
1209 #ifdef CONFIG_SILENT_CONSOLE
1210 static void fixup_silent_linux ()
1212 char buf[256], *start, *end;
1213 char *cmdline = getenv ("bootargs");
1215 /* Only fix cmdline when requested */
1216 if (!(gd->flags & GD_FLG_SILENT))
1219 debug ("before silent fix-up: %s\n", cmdline);
1221 if ((start = strstr (cmdline, "console=")) != NULL) {
1222 end = strchr (start, ' ');
1223 strncpy (buf, cmdline, (start - cmdline + 8));
1225 strcpy (buf + (start - cmdline + 8), end);
1227 buf[start - cmdline + 8] = '\0';
1229 strcpy (buf, cmdline);
1230 strcat (buf, " console=");
1233 strcpy (buf, "console=");
1236 setenv ("bootargs", buf);
1237 debug ("after silent fix-up: %s\n", buf);
1239 #endif /* CONFIG_SILENT_CONSOLE */
1242 /*******************************************************************/
1243 /* OS booting routines */
1244 /*******************************************************************/
1246 #ifdef CONFIG_BOOTM_NETBSD
1247 static int do_bootm_netbsd (int flag, int argc, char * const argv[],
1248 bootm_headers_t *images)
1250 void (*loader)(bd_t *, image_header_t *, char *, char *);
1251 image_header_t *os_hdr, *hdr;
1252 ulong kernel_data, kernel_len;
1256 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1259 #if defined(CONFIG_FIT)
1260 if (!images->legacy_hdr_valid) {
1261 fit_unsupported_reset ("NetBSD");
1265 hdr = images->legacy_hdr_os;
1268 * Booting a (NetBSD) kernel image
1270 * This process is pretty similar to a standalone application:
1271 * The (first part of an multi-) image must be a stage-2 loader,
1272 * which in turn is responsible for loading & invoking the actual
1273 * kernel. The only differences are the parameters being passed:
1274 * besides the board info strucure, the loader expects a command
1275 * line, the name of the console device, and (optionally) the
1276 * address of the original image header.
1279 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1280 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1286 #if defined (CONFIG_8xx_CONS_SMC1)
1288 #elif defined (CONFIG_8xx_CONS_SMC2)
1290 #elif defined (CONFIG_8xx_CONS_SCC2)
1292 #elif defined (CONFIG_8xx_CONS_SCC3)
1300 for (i = 2, len = 0; i < argc; i += 1)
1301 len += strlen (argv[i]) + 1;
1302 cmdline = malloc (len);
1304 for (i = 2, len = 0; i < argc; i += 1) {
1306 cmdline[len++] = ' ';
1307 strcpy (&cmdline[len], argv[i]);
1308 len += strlen (argv[i]);
1310 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1314 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1316 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1319 show_boot_progress (15);
1322 * NetBSD Stage-2 Loader Parameters:
1323 * r3: ptr to board info data
1325 * r5: console device
1326 * r6: boot args string
1328 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1332 #endif /* CONFIG_BOOTM_NETBSD*/
1334 #ifdef CONFIG_LYNXKDI
1335 static int do_bootm_lynxkdi (int flag, int argc, char * const argv[],
1336 bootm_headers_t *images)
1338 image_header_t *hdr = &images->legacy_hdr_os_copy;
1340 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1343 #if defined(CONFIG_FIT)
1344 if (!images->legacy_hdr_valid) {
1345 fit_unsupported_reset ("Lynx");
1350 lynxkdi_boot ((image_header_t *)hdr);
1354 #endif /* CONFIG_LYNXKDI */
1356 #ifdef CONFIG_BOOTM_RTEMS
1357 static int do_bootm_rtems (int flag, int argc, char * const argv[],
1358 bootm_headers_t *images)
1360 void (*entry_point)(bd_t *);
1362 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1365 #if defined(CONFIG_FIT)
1366 if (!images->legacy_hdr_valid) {
1367 fit_unsupported_reset ("RTEMS");
1372 entry_point = (void (*)(bd_t *))images->ep;
1374 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1375 (ulong)entry_point);
1377 show_boot_progress (15);
1381 * r3: ptr to board info data
1383 (*entry_point)(gd->bd);
1387 #endif /* CONFIG_BOOTM_RTEMS */
1389 #if defined(CONFIG_BOOTM_OSE)
1390 static int do_bootm_ose (int flag, int argc, char * const argv[],
1391 bootm_headers_t *images)
1393 void (*entry_point)(void);
1395 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1398 #if defined(CONFIG_FIT)
1399 if (!images->legacy_hdr_valid) {
1400 fit_unsupported_reset ("OSE");
1405 entry_point = (void (*)(void))images->ep;
1407 printf ("## Transferring control to OSE (at address %08lx) ...\n",
1408 (ulong)entry_point);
1410 show_boot_progress (15);
1420 #endif /* CONFIG_BOOTM_OSE */
1422 #if defined(CONFIG_CMD_ELF)
1423 static int do_bootm_vxworks (int flag, int argc, char * const argv[],
1424 bootm_headers_t *images)
1428 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1431 #if defined(CONFIG_FIT)
1432 if (!images->legacy_hdr_valid) {
1433 fit_unsupported_reset ("VxWorks");
1438 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1439 setenv("loadaddr", str);
1440 do_bootvx(NULL, 0, 0, NULL);
1445 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1446 bootm_headers_t *images)
1448 char *local_args[2];
1451 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1454 #if defined(CONFIG_FIT)
1455 if (!images->legacy_hdr_valid) {
1456 fit_unsupported_reset ("QNX");
1461 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1462 local_args[0] = argv[0];
1463 local_args[1] = str; /* and provide it via the arguments */
1464 do_bootelf(NULL, 0, 2, local_args);
1470 #ifdef CONFIG_INTEGRITY
1471 static int do_bootm_integrity (int flag, int argc, char * const argv[],
1472 bootm_headers_t *images)
1474 void (*entry_point)(void);
1476 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1479 #if defined(CONFIG_FIT)
1480 if (!images->legacy_hdr_valid) {
1481 fit_unsupported_reset ("INTEGRITY");
1486 entry_point = (void (*)(void))images->ep;
1488 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1489 (ulong)entry_point);
1491 show_boot_progress (15);
1494 * INTEGRITY Parameters: