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 */
60 DECLARE_GLOBAL_DATA_PTR;
62 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
63 #ifndef CONFIG_SYS_BOOTM_LEN
64 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
68 extern void bz_internal_error(int);
71 #if defined(CONFIG_CMD_IMI)
72 static int image_info (unsigned long addr);
75 #if defined(CONFIG_CMD_IMLS)
77 extern flash_info_t flash_info[]; /* info for FLASH chips */
78 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
81 #ifdef CONFIG_SILENT_CONSOLE
82 static void fixup_silent_linux (void);
85 static image_header_t *image_get_kernel (ulong img_addr, int verify);
86 #if defined(CONFIG_FIT)
87 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
90 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
91 bootm_headers_t *images, ulong *os_data, ulong *os_len);
92 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
95 * Continue booting an OS image; caller already has:
96 * - copied image header to global variable `header'
97 * - checked header magic number, checksums (both header & image),
98 * - verified image architecture (PPC) and type (KERNEL or MULTI),
99 * - loaded (first part of) image to header load address,
100 * - disabled interrupts.
102 typedef int boot_os_fn (int flag, int argc, char *argv[],
103 bootm_headers_t *images); /* pointers to os/initrd/fdt */
105 #define CONFIG_BOOTM_LINUX 1
106 #define CONFIG_BOOTM_NETBSD 1
107 #define CONFIG_BOOTM_RTEMS 1
109 #ifdef CONFIG_BOOTM_LINUX
110 extern boot_os_fn do_bootm_linux;
112 #ifdef CONFIG_BOOTM_NETBSD
113 static boot_os_fn do_bootm_netbsd;
115 #if defined(CONFIG_LYNXKDI)
116 static boot_os_fn do_bootm_lynxkdi;
117 extern void lynxkdi_boot (image_header_t *);
119 #ifdef CONFIG_BOOTM_RTEMS
120 static boot_os_fn do_bootm_rtems;
122 #if defined(CONFIG_CMD_ELF)
123 static boot_os_fn do_bootm_vxworks;
124 static boot_os_fn do_bootm_qnxelf;
125 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
126 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
128 #if defined(CONFIG_INTEGRITY)
129 static boot_os_fn do_bootm_integrity;
132 boot_os_fn * boot_os[] = {
133 #ifdef CONFIG_BOOTM_LINUX
134 [IH_OS_LINUX] = do_bootm_linux,
136 #ifdef CONFIG_BOOTM_NETBSD
137 [IH_OS_NETBSD] = do_bootm_netbsd,
139 #ifdef CONFIG_LYNXKDI
140 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
142 #ifdef CONFIG_BOOTM_RTEMS
143 [IH_OS_RTEMS] = do_bootm_rtems,
145 #if defined(CONFIG_CMD_ELF)
146 [IH_OS_VXWORKS] = do_bootm_vxworks,
147 [IH_OS_QNX] = do_bootm_qnxelf,
149 #ifdef CONFIG_INTEGRITY
150 [IH_OS_INTEGRITY] = do_bootm_integrity,
154 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
155 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
157 void __board_lmb_reserve(struct lmb *lmb)
159 /* please define platform specific board_lmb_reserve() */
161 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
163 void __arch_lmb_reserve(struct lmb *lmb)
165 /* please define platform specific arch_lmb_reserve() */
167 void arch_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__arch_lmb_reserve")));
169 /* Allow for arch specific config before we boot */
170 void __arch_preboot_os(void)
172 /* please define platform specific arch_preboot_os() */
174 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
177 #define IH_INITRD_ARCH IH_ARCH_ARM
178 #elif defined(__avr32__)
179 #define IH_INITRD_ARCH IH_ARCH_AVR32
180 #elif defined(__bfin__)
181 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
182 #elif defined(__I386__)
183 #define IH_INITRD_ARCH IH_ARCH_I386
184 #elif defined(__M68K__)
185 #define IH_INITRD_ARCH IH_ARCH_M68K
186 #elif defined(__microblaze__)
187 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
188 #elif defined(__mips__)
189 #define IH_INITRD_ARCH IH_ARCH_MIPS
190 #elif defined(__nios__)
191 #define IH_INITRD_ARCH IH_ARCH_NIOS
192 #elif defined(__nios2__)
193 #define IH_INITRD_ARCH IH_ARCH_NIOS2
194 #elif defined(__PPC__)
195 #define IH_INITRD_ARCH IH_ARCH_PPC
196 #elif defined(__sh__)
197 #define IH_INITRD_ARCH IH_ARCH_SH
198 #elif defined(__sparc__)
199 #define IH_INITRD_ARCH IH_ARCH_SPARC
201 # error Unknown CPU type
204 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
207 phys_size_t mem_size;
211 memset ((void *)&images, 0, sizeof (images));
212 images.verify = getenv_yesno ("verify");
214 lmb_init(&images.lmb);
216 mem_start = getenv_bootm_low();
217 mem_size = getenv_bootm_size();
219 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
221 arch_lmb_reserve(&images.lmb);
222 board_lmb_reserve(&images.lmb);
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.os == IH_OS_LINUX) {
299 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
300 &images.rd_start, &images.rd_end);
302 puts ("Ramdisk image is corrupt or invalid\n");
306 #if defined(CONFIG_OF_LIBFDT)
307 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
308 /* find flattened device tree */
309 ret = boot_get_fdt (flag, argc, argv, &images,
310 &images.ft_addr, &images.ft_len);
312 puts ("Could not find a valid device tree\n");
316 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;
340 const char *type_name = genimg_get_type_name (os.type);
344 if (load == blob_start) {
345 printf (" XIP %s ... ", type_name);
347 printf (" Loading %s ... ", type_name);
349 if (load != image_start) {
350 memmove_wd ((void *)load,
351 (void *)image_start, image_len, CHUNKSZ);
354 *load_end = load + image_len;
358 printf (" Uncompressing %s ... ", type_name);
359 if (gunzip ((void *)load, unc_len,
360 (uchar *)image_start, &image_len) != 0) {
361 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
362 "- must RESET board to recover\n");
364 show_boot_progress (-6);
365 return BOOTM_ERR_RESET;
368 *load_end = load + image_len;
372 printf (" Uncompressing %s ... ", type_name);
374 * If we've got less than 4 MB of malloc() space,
375 * use slower decompression algorithm which requires
376 * at most 2300 KB of memory.
378 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
379 &unc_len, (char *)image_start, image_len,
380 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
382 printf ("BUNZIP2: uncompress or overwrite error %d "
383 "- must RESET board to recover\n", i);
385 show_boot_progress (-6);
386 return BOOTM_ERR_RESET;
389 *load_end = load + unc_len;
391 #endif /* CONFIG_BZIP2 */
394 printf (" Uncompressing %s ... ", type_name);
396 int ret = lzmaBuffToBuffDecompress(
397 (unsigned char *)load, &unc_len,
398 (unsigned char *)image_start, image_len);
400 printf ("LZMA: uncompress or overwrite error %d "
401 "- must RESET board to recover\n", ret);
402 show_boot_progress (-6);
403 return BOOTM_ERR_RESET;
405 *load_end = load + unc_len;
407 #endif /* CONFIG_LZMA */
409 printf ("Unimplemented compression type %d\n", comp);
410 return BOOTM_ERR_UNIMPLEMENTED;
413 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
415 show_boot_progress (7);
417 if ((load < blob_end) && (*load_end > blob_start)) {
418 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
419 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
421 return BOOTM_ERR_OVERLAP;
427 static int bootm_start_standalone(ulong iflag, int argc, char *argv[])
430 int (*appl)(int, char *[]);
432 /* Don't start if "autostart" is set to "no" */
433 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
435 sprintf(buf, "%lX", images.os.image_len);
436 setenv("filesize", buf);
439 appl = (int (*)(int, char *[]))ntohl(images.ep);
440 (*appl)(argc-1, &argv[1]);
445 /* we overload the cmd field with our state machine info instead of a
446 * function pointer */
447 cmd_tbl_t cmd_bootm_sub[] = {
448 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
449 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
450 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
451 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
453 #ifdef CONFIG_OF_LIBFDT
454 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
456 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
457 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
458 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
459 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
462 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
469 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
474 /* treat start special since it resets the state machine */
475 if (state == BOOTM_STATE_START) {
478 return bootm_start(cmdtp, flag, argc, argv);
481 /* Unrecognized command */
487 if (images.state >= state) {
488 printf ("Trying to execute a command out of order\n");
493 images.state |= state;
494 boot_fn = boot_os[images.os.os];
498 case BOOTM_STATE_START:
499 /* should never occur */
501 case BOOTM_STATE_LOADOS:
502 ret = bootm_load_os(images.os, &load_end, 0);
506 lmb_reserve(&images.lmb, images.os.load,
507 (load_end - images.os.load));
509 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
510 case BOOTM_STATE_RAMDISK:
512 ulong rd_len = images.rd_end - images.rd_start;
515 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
516 rd_len, &images.initrd_start, &images.initrd_end);
520 sprintf(str, "%lx", images.initrd_start);
521 setenv("initrd_start", str);
522 sprintf(str, "%lx", images.initrd_end);
523 setenv("initrd_end", str);
527 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
528 case BOOTM_STATE_FDT:
530 ulong bootmap_base = getenv_bootm_low();
531 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
532 &images.ft_addr, &images.ft_len);
536 case BOOTM_STATE_OS_CMDLINE:
537 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
539 printf ("cmdline subcommand not supported\n");
541 case BOOTM_STATE_OS_BD_T:
542 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
544 printf ("bdt subcommand not supported\n");
546 case BOOTM_STATE_OS_PREP:
547 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
549 printf ("prep subcommand not supported\n");
551 case BOOTM_STATE_OS_GO:
552 disable_interrupts();
554 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
561 /*******************************************************************/
562 /* bootm - boot application image from image in memory */
563 /*******************************************************************/
565 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
571 #ifndef CONFIG_RELOC_FIXUP_WORKS
572 static int relocated = 0;
574 /* relocate boot function table */
577 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
578 if (boot_os[i] != NULL)
579 boot_os[i] += gd->reloc_off;
584 /* determine if we have a sub command */
588 simple_strtoul(argv[1], &endp, 16);
589 /* endp pointing to NULL means that argv[1] was just a
590 * valid number, pass it along to the normal bootm processing
592 * If endp is ':' or '#' assume a FIT identifier so pass
593 * along for normal processing.
595 * Right now we assume the first arg should never be '-'
597 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
598 return do_bootm_subcommand(cmdtp, flag, argc, argv);
601 if (bootm_start(cmdtp, flag, argc, argv))
605 * We have reached the point of no return: we are going to
606 * overwrite all exception vector code, so we cannot easily
607 * recover from any failures any more...
609 iflag = disable_interrupts();
611 #if defined(CONFIG_CMD_USB)
613 * turn off USB to prevent the host controller from writing to the
614 * SDRAM while Linux is booting. This could happen (at least for OHCI
615 * controller), because the HCCA (Host Controller Communication Area)
616 * lies within the SDRAM and the host controller writes continously to
617 * this area (as busmaster!). The HccaFrameNumber is for example
618 * updated every 1 ms within the HCCA structure in SDRAM! For more
619 * details see the OpenHCI specification.
624 #ifdef CONFIG_AMIGAONEG3SE
626 * We've possible left the caches enabled during
627 * bios emulation, so turn them off again
633 ret = bootm_load_os(images.os, &load_end, 1);
636 if (ret == BOOTM_ERR_RESET)
637 do_reset (cmdtp, flag, argc, argv);
638 if (ret == BOOTM_ERR_OVERLAP) {
639 if (images.legacy_hdr_valid) {
640 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
641 puts ("WARNING: legacy format multi component "
642 "image overwritten\n");
644 puts ("ERROR: new format image overwritten - "
645 "must RESET the board to recover\n");
646 show_boot_progress (-113);
647 do_reset (cmdtp, flag, argc, argv);
650 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
653 show_boot_progress (-7);
658 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
660 if (images.os.type == IH_TYPE_STANDALONE) {
663 /* This may return when 'autostart' is 'no' */
664 bootm_start_standalone(iflag, argc, argv);
668 show_boot_progress (8);
670 #ifdef CONFIG_SILENT_CONSOLE
671 if (images.os.os == IH_OS_LINUX)
672 fixup_silent_linux();
675 boot_fn = boot_os[images.os.os];
677 if (boot_fn == NULL) {
680 printf ("ERROR: booting os '%s' (%d) is not supported\n",
681 genimg_get_os_name(images.os.os), images.os.os);
682 show_boot_progress (-8);
688 boot_fn(0, argc, argv, &images);
690 show_boot_progress (-9);
692 puts ("\n## Control returned to monitor - resetting...\n");
694 do_reset (cmdtp, flag, argc, argv);
700 * image_get_kernel - verify legacy format kernel image
701 * @img_addr: in RAM address of the legacy format image to be verified
702 * @verify: data CRC verification flag
704 * image_get_kernel() verifies legacy image integrity and returns pointer to
705 * legacy image header if image verification was completed successfully.
708 * pointer to a legacy image header if valid image was found
709 * otherwise return NULL
711 static image_header_t *image_get_kernel (ulong img_addr, int verify)
713 image_header_t *hdr = (image_header_t *)img_addr;
715 if (!image_check_magic(hdr)) {
716 puts ("Bad Magic Number\n");
717 show_boot_progress (-1);
720 show_boot_progress (2);
722 if (!image_check_hcrc (hdr)) {
723 puts ("Bad Header Checksum\n");
724 show_boot_progress (-2);
728 show_boot_progress (3);
729 image_print_contents (hdr);
732 puts (" Verifying Checksum ... ");
733 if (!image_check_dcrc (hdr)) {
734 printf ("Bad Data CRC\n");
735 show_boot_progress (-3);
740 show_boot_progress (4);
742 if (!image_check_target_arch (hdr)) {
743 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
744 show_boot_progress (-4);
751 * fit_check_kernel - verify FIT format kernel subimage
752 * @fit_hdr: pointer to the FIT image header
753 * os_noffset: kernel subimage node offset within FIT image
754 * @verify: data CRC verification flag
756 * fit_check_kernel() verifies integrity of the kernel subimage and from
757 * specified FIT image.
763 #if defined (CONFIG_FIT)
764 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
766 fit_image_print (fit, os_noffset, " ");
769 puts (" Verifying Hash Integrity ... ");
770 if (!fit_image_check_hashes (fit, os_noffset)) {
771 puts ("Bad Data Hash\n");
772 show_boot_progress (-104);
777 show_boot_progress (105);
779 if (!fit_image_check_target_arch (fit, os_noffset)) {
780 puts ("Unsupported Architecture\n");
781 show_boot_progress (-105);
785 show_boot_progress (106);
786 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
787 puts ("Not a kernel image\n");
788 show_boot_progress (-106);
792 show_boot_progress (107);
795 #endif /* CONFIG_FIT */
798 * boot_get_kernel - find kernel image
799 * @os_data: pointer to a ulong variable, will hold os data start address
800 * @os_len: pointer to a ulong variable, will hold os data length
802 * boot_get_kernel() tries to find a kernel image, verifies its integrity
803 * and locates kernel data.
806 * pointer to image header if valid image was found, plus kernel start
807 * address and length, otherwise NULL
809 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
810 bootm_headers_t *images, ulong *os_data, ulong *os_len)
814 #if defined(CONFIG_FIT)
816 const char *fit_uname_config = NULL;
817 const char *fit_uname_kernel = NULL;
824 /* find out kernel image address */
826 img_addr = load_addr;
827 debug ("* kernel: default image load address = 0x%08lx\n",
829 #if defined(CONFIG_FIT)
830 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
831 &fit_uname_config)) {
832 debug ("* kernel: config '%s' from image at 0x%08lx\n",
833 fit_uname_config, img_addr);
834 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
835 &fit_uname_kernel)) {
836 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
837 fit_uname_kernel, img_addr);
840 img_addr = simple_strtoul(argv[1], NULL, 16);
841 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
844 show_boot_progress (1);
846 /* copy from dataflash if needed */
847 img_addr = genimg_get_image (img_addr);
849 /* check image type, for FIT images get FIT kernel node */
850 *os_data = *os_len = 0;
851 switch (genimg_get_format ((void *)img_addr)) {
852 case IMAGE_FORMAT_LEGACY:
853 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
855 hdr = image_get_kernel (img_addr, images->verify);
858 show_boot_progress (5);
860 /* get os_data and os_len */
861 switch (image_get_type (hdr)) {
863 *os_data = image_get_data (hdr);
864 *os_len = image_get_data_size (hdr);
867 image_multi_getimg (hdr, 0, os_data, os_len);
869 case IH_TYPE_STANDALONE:
871 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
873 *os_data = image_get_data (hdr);
874 *os_len = image_get_data_size (hdr);
877 printf ("Wrong Image Type for %s command\n", cmdtp->name);
878 show_boot_progress (-5);
883 * copy image header to allow for image overwrites during kernel
886 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
888 /* save pointer to image header */
889 images->legacy_hdr_os = hdr;
891 images->legacy_hdr_valid = 1;
892 show_boot_progress (6);
894 #if defined(CONFIG_FIT)
895 case IMAGE_FORMAT_FIT:
896 fit_hdr = (void *)img_addr;
897 printf ("## Booting kernel from FIT Image at %08lx ...\n",
900 if (!fit_check_format (fit_hdr)) {
901 puts ("Bad FIT kernel image format!\n");
902 show_boot_progress (-100);
905 show_boot_progress (100);
907 if (!fit_uname_kernel) {
909 * no kernel image node unit name, try to get config
910 * node first. If config unit node name is NULL
911 * fit_conf_get_node() will try to find default config node
913 show_boot_progress (101);
914 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
915 if (cfg_noffset < 0) {
916 show_boot_progress (-101);
919 /* save configuration uname provided in the first
922 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
923 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
924 show_boot_progress (103);
926 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
927 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
929 /* get kernel component image node offset */
930 show_boot_progress (102);
931 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
933 if (os_noffset < 0) {
934 show_boot_progress (-103);
938 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
940 show_boot_progress (104);
941 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
944 /* get kernel image data address and length */
945 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
946 puts ("Could not find kernel subimage data!\n");
947 show_boot_progress (-107);
950 show_boot_progress (108);
953 *os_data = (ulong)data;
954 images->fit_hdr_os = fit_hdr;
955 images->fit_uname_os = fit_uname_kernel;
956 images->fit_noffset_os = os_noffset;
960 printf ("Wrong Image Format for %s command\n", cmdtp->name);
961 show_boot_progress (-108);
965 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
966 *os_data, *os_len, *os_len);
968 return (void *)img_addr;
972 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
973 "boot application image from memory",
974 "[addr [arg ...]]\n - boot application image stored in memory\n"
975 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
976 "\t'arg' can be the address of an initrd image\n"
977 #if defined(CONFIG_OF_LIBFDT)
978 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
979 "\ta third argument is required which is the address of the\n"
980 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
981 "\tuse a '-' for the second argument. If you do not pass a third\n"
982 "\ta bd_info struct will be passed instead\n"
984 #if defined(CONFIG_FIT)
985 "\t\nFor the new multi component uImage format (FIT) addresses\n"
986 "\tmust be extened to include component or configuration unit name:\n"
987 "\taddr:<subimg_uname> - direct component image specification\n"
988 "\taddr#<conf_uname> - configuration specification\n"
989 "\tUse iminfo command to get the list of existing component\n"
990 "\timages and configurations.\n"
992 "\nSub-commands to do part of the bootm sequence. The sub-commands "
994 "issued in the order below (it's ok to not issue all sub-commands):\n"
995 "\tstart [addr [arg ...]]\n"
996 "\tloados - load OS image\n"
997 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
998 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1000 #if defined(CONFIG_OF_LIBFDT)
1001 "\tfdt - relocate flat device tree\n"
1003 "\tbdt - OS specific bd_t processing\n"
1004 "\tcmdline - OS specific command line processing/setup\n"
1005 "\tprep - OS specific prep before relocation or go\n"
1009 /*******************************************************************/
1010 /* bootd - boot default image */
1011 /*******************************************************************/
1012 #if defined(CONFIG_CMD_BOOTD)
1013 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1017 #ifndef CONFIG_SYS_HUSH_PARSER
1018 if (run_command (getenv ("bootcmd"), flag) < 0)
1021 if (parse_string_outer (getenv ("bootcmd"),
1022 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1029 boot, 1, 1, do_bootd,
1030 "boot default, i.e., run 'bootcmd'",
1034 /* keep old command name "bootd" for backward compatibility */
1036 bootd, 1, 1, do_bootd,
1037 "boot default, i.e., run 'bootcmd'",
1044 /*******************************************************************/
1045 /* iminfo - print header info for a requested image */
1046 /*******************************************************************/
1047 #if defined(CONFIG_CMD_IMI)
1048 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1055 return image_info (load_addr);
1058 for (arg = 1; arg < argc; ++arg) {
1059 addr = simple_strtoul (argv[arg], NULL, 16);
1060 if (image_info (addr) != 0)
1066 static int image_info (ulong addr)
1068 void *hdr = (void *)addr;
1070 printf ("\n## Checking Image at %08lx ...\n", addr);
1072 switch (genimg_get_format (hdr)) {
1073 case IMAGE_FORMAT_LEGACY:
1074 puts (" Legacy image found\n");
1075 if (!image_check_magic (hdr)) {
1076 puts (" Bad Magic Number\n");
1080 if (!image_check_hcrc (hdr)) {
1081 puts (" Bad Header Checksum\n");
1085 image_print_contents (hdr);
1087 puts (" Verifying Checksum ... ");
1088 if (!image_check_dcrc (hdr)) {
1089 puts (" Bad Data CRC\n");
1094 #if defined(CONFIG_FIT)
1095 case IMAGE_FORMAT_FIT:
1096 puts (" FIT image found\n");
1098 if (!fit_check_format (hdr)) {
1099 puts ("Bad FIT image format!\n");
1103 fit_print_contents (hdr);
1105 if (!fit_all_image_check_hashes (hdr)) {
1106 puts ("Bad hash in FIT image!\n");
1113 puts ("Unknown image format!\n");
1121 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1122 "print header information for application image",
1124 " - print header information for application image starting at\n"
1125 " address 'addr' in memory; this includes verification of the\n"
1126 " image contents (magic number, header and payload checksums)"
1131 /*******************************************************************/
1132 /* imls - list all images found in flash */
1133 /*******************************************************************/
1134 #if defined(CONFIG_CMD_IMLS)
1135 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1141 for (i = 0, info = &flash_info[0];
1142 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1144 if (info->flash_id == FLASH_UNKNOWN)
1146 for (j = 0; j < info->sector_count; ++j) {
1148 hdr = (void *)info->start[j];
1152 switch (genimg_get_format (hdr)) {
1153 case IMAGE_FORMAT_LEGACY:
1154 if (!image_check_hcrc (hdr))
1157 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1158 image_print_contents (hdr);
1160 puts (" Verifying Checksum ... ");
1161 if (!image_check_dcrc (hdr)) {
1162 puts ("Bad Data CRC\n");
1167 #if defined(CONFIG_FIT)
1168 case IMAGE_FORMAT_FIT:
1169 if (!fit_check_format (hdr))
1172 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1173 fit_print_contents (hdr);
1189 imls, 1, 1, do_imls,
1190 "list all images found in flash",
1192 " - Prints information about all images found at sector\n"
1193 " boundaries in flash."
1197 /*******************************************************************/
1198 /* helper routines */
1199 /*******************************************************************/
1200 #ifdef CONFIG_SILENT_CONSOLE
1201 static void fixup_silent_linux ()
1203 char buf[256], *start, *end;
1204 char *cmdline = getenv ("bootargs");
1206 /* Only fix cmdline when requested */
1207 if (!(gd->flags & GD_FLG_SILENT))
1210 debug ("before silent fix-up: %s\n", cmdline);
1212 if ((start = strstr (cmdline, "console=")) != NULL) {
1213 end = strchr (start, ' ');
1214 strncpy (buf, cmdline, (start - cmdline + 8));
1216 strcpy (buf + (start - cmdline + 8), end);
1218 buf[start - cmdline + 8] = '\0';
1220 strcpy (buf, cmdline);
1221 strcat (buf, " console=");
1224 strcpy (buf, "console=");
1227 setenv ("bootargs", buf);
1228 debug ("after silent fix-up: %s\n", buf);
1230 #endif /* CONFIG_SILENT_CONSOLE */
1233 /*******************************************************************/
1234 /* OS booting routines */
1235 /*******************************************************************/
1237 #ifdef CONFIG_BOOTM_NETBSD
1238 static int do_bootm_netbsd (int flag, int argc, char *argv[],
1239 bootm_headers_t *images)
1241 void (*loader)(bd_t *, image_header_t *, char *, char *);
1242 image_header_t *os_hdr, *hdr;
1243 ulong kernel_data, kernel_len;
1247 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1250 #if defined(CONFIG_FIT)
1251 if (!images->legacy_hdr_valid) {
1252 fit_unsupported_reset ("NetBSD");
1256 hdr = images->legacy_hdr_os;
1259 * Booting a (NetBSD) kernel image
1261 * This process is pretty similar to a standalone application:
1262 * The (first part of an multi-) image must be a stage-2 loader,
1263 * which in turn is responsible for loading & invoking the actual
1264 * kernel. The only differences are the parameters being passed:
1265 * besides the board info strucure, the loader expects a command
1266 * line, the name of the console device, and (optionally) the
1267 * address of the original image header.
1270 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1271 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1277 #if defined (CONFIG_8xx_CONS_SMC1)
1279 #elif defined (CONFIG_8xx_CONS_SMC2)
1281 #elif defined (CONFIG_8xx_CONS_SCC2)
1283 #elif defined (CONFIG_8xx_CONS_SCC3)
1291 for (i = 2, len = 0; i < argc; i += 1)
1292 len += strlen (argv[i]) + 1;
1293 cmdline = malloc (len);
1295 for (i = 2, len = 0; i < argc; i += 1) {
1297 cmdline[len++] = ' ';
1298 strcpy (&cmdline[len], argv[i]);
1299 len += strlen (argv[i]);
1301 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1305 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1307 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1310 show_boot_progress (15);
1313 * NetBSD Stage-2 Loader Parameters:
1314 * r3: ptr to board info data
1316 * r5: console device
1317 * r6: boot args string
1319 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1323 #endif /* CONFIG_BOOTM_NETBSD*/
1325 #ifdef CONFIG_LYNXKDI
1326 static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
1327 bootm_headers_t *images)
1329 image_header_t *hdr = &images->legacy_hdr_os_copy;
1331 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1334 #if defined(CONFIG_FIT)
1335 if (!images->legacy_hdr_valid) {
1336 fit_unsupported_reset ("Lynx");
1341 lynxkdi_boot ((image_header_t *)hdr);
1345 #endif /* CONFIG_LYNXKDI */
1347 #ifdef CONFIG_BOOTM_RTEMS
1348 static int do_bootm_rtems (int flag, int argc, char *argv[],
1349 bootm_headers_t *images)
1351 void (*entry_point)(bd_t *);
1353 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1356 #if defined(CONFIG_FIT)
1357 if (!images->legacy_hdr_valid) {
1358 fit_unsupported_reset ("RTEMS");
1363 entry_point = (void (*)(bd_t *))images->ep;
1365 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1366 (ulong)entry_point);
1368 show_boot_progress (15);
1372 * r3: ptr to board info data
1374 (*entry_point)(gd->bd);
1378 #endif /* CONFIG_BOOTM_RTEMS */
1380 #if defined(CONFIG_CMD_ELF)
1381 static int do_bootm_vxworks (int flag, int argc, char *argv[],
1382 bootm_headers_t *images)
1386 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1389 #if defined(CONFIG_FIT)
1390 if (!images->legacy_hdr_valid) {
1391 fit_unsupported_reset ("VxWorks");
1396 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1397 setenv("loadaddr", str);
1398 do_bootvx(NULL, 0, 0, NULL);
1403 static int do_bootm_qnxelf(int flag, int argc, char *argv[],
1404 bootm_headers_t *images)
1406 char *local_args[2];
1409 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1412 #if defined(CONFIG_FIT)
1413 if (!images->legacy_hdr_valid) {
1414 fit_unsupported_reset ("QNX");
1419 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1420 local_args[0] = argv[0];
1421 local_args[1] = str; /* and provide it via the arguments */
1422 do_bootelf(NULL, 0, 2, local_args);
1428 #ifdef CONFIG_INTEGRITY
1429 static int do_bootm_integrity (int flag, int argc, char *argv[],
1430 bootm_headers_t *images)
1432 void (*entry_point)(void);
1434 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1437 #if defined(CONFIG_FIT)
1438 if (!images->legacy_hdr_valid) {
1439 fit_unsupported_reset ("INTEGRITY");
1444 entry_point = (void (*)(void))images->ep;
1446 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1447 (ulong)entry_point);
1449 show_boot_progress (15);
1452 * INTEGRITY Parameters: