2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <u-boot/zlib.h>
35 #include <environment.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
40 #if defined(CONFIG_CMD_USB)
44 #ifdef CONFIG_SYS_HUSH_PARSER
48 #if defined(CONFIG_OF_LIBFDT)
51 #include <fdt_support.h>
55 #include <lzma/LzmaTypes.h>
56 #include <lzma/LzmaDec.h>
57 #include <lzma/LzmaTools.h>
58 #endif /* CONFIG_LZMA */
61 #include <linux/lzo.h>
62 #endif /* CONFIG_LZO */
64 DECLARE_GLOBAL_DATA_PTR;
66 #ifndef CONFIG_SYS_BOOTM_LEN
67 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
71 extern void bz_internal_error(int);
74 #if defined(CONFIG_CMD_IMI)
75 static int image_info (unsigned long addr);
78 #if defined(CONFIG_CMD_IMLS)
80 extern flash_info_t flash_info[]; /* info for FLASH chips */
81 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
84 #ifdef CONFIG_SILENT_CONSOLE
85 static void fixup_silent_linux (void);
88 static image_header_t *image_get_kernel (ulong img_addr, int verify);
89 #if defined(CONFIG_FIT)
90 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
93 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
94 bootm_headers_t *images, ulong *os_data, ulong *os_len);
95 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
98 * Continue booting an OS image; caller already has:
99 * - copied image header to global variable `header'
100 * - checked header magic number, checksums (both header & image),
101 * - verified image architecture (PPC) and type (KERNEL or MULTI),
102 * - loaded (first part of) image to header load address,
103 * - disabled interrupts.
105 typedef int boot_os_fn (int flag, int argc, char *argv[],
106 bootm_headers_t *images); /* pointers to os/initrd/fdt */
108 #ifdef CONFIG_BOOTM_LINUX
109 extern boot_os_fn do_bootm_linux;
111 #ifdef CONFIG_BOOTM_NETBSD
112 static boot_os_fn do_bootm_netbsd;
114 #if defined(CONFIG_LYNXKDI)
115 static boot_os_fn do_bootm_lynxkdi;
116 extern void lynxkdi_boot (image_header_t *);
118 #ifdef CONFIG_BOOTM_RTEMS
119 static boot_os_fn do_bootm_rtems;
121 #if defined(CONFIG_CMD_ELF)
122 static boot_os_fn do_bootm_vxworks;
123 static boot_os_fn do_bootm_qnxelf;
124 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
125 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
127 #if defined(CONFIG_INTEGRITY)
128 static boot_os_fn do_bootm_integrity;
131 static boot_os_fn *boot_os[] = {
132 #ifdef CONFIG_BOOTM_LINUX
133 [IH_OS_LINUX] = do_bootm_linux,
135 #ifdef CONFIG_BOOTM_NETBSD
136 [IH_OS_NETBSD] = do_bootm_netbsd,
138 #ifdef CONFIG_LYNXKDI
139 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
141 #ifdef CONFIG_BOOTM_RTEMS
142 [IH_OS_RTEMS] = do_bootm_rtems,
144 #if defined(CONFIG_CMD_ELF)
145 [IH_OS_VXWORKS] = do_bootm_vxworks,
146 [IH_OS_QNX] = do_bootm_qnxelf,
148 #ifdef CONFIG_INTEGRITY
149 [IH_OS_INTEGRITY] = do_bootm_integrity,
153 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
154 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
156 /* Allow for arch specific config before we boot */
157 void __arch_preboot_os(void)
159 /* please define platform specific arch_preboot_os() */
161 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
164 #define IH_INITRD_ARCH IH_ARCH_ARM
165 #elif defined(__avr32__)
166 #define IH_INITRD_ARCH IH_ARCH_AVR32
167 #elif defined(__bfin__)
168 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
169 #elif defined(__I386__)
170 #define IH_INITRD_ARCH IH_ARCH_I386
171 #elif defined(__M68K__)
172 #define IH_INITRD_ARCH IH_ARCH_M68K
173 #elif defined(__microblaze__)
174 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
175 #elif defined(__mips__)
176 #define IH_INITRD_ARCH IH_ARCH_MIPS
177 #elif defined(__nios2__)
178 #define IH_INITRD_ARCH IH_ARCH_NIOS2
179 #elif defined(__PPC__)
180 #define IH_INITRD_ARCH IH_ARCH_PPC
181 #elif defined(__sh__)
182 #define IH_INITRD_ARCH IH_ARCH_SH
183 #elif defined(__sparc__)
184 #define IH_INITRD_ARCH IH_ARCH_SPARC
186 # error Unknown CPU type
189 static void bootm_start_lmb(void)
193 phys_size_t mem_size;
195 lmb_init(&images.lmb);
197 mem_start = getenv_bootm_low();
198 mem_size = getenv_bootm_size();
200 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
202 arch_lmb_reserve(&images.lmb);
203 board_lmb_reserve(&images.lmb);
205 # define lmb_reserve(lmb, base, size)
209 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
214 memset ((void *)&images, 0, sizeof (images));
215 images.verify = getenv_yesno ("verify");
219 /* get kernel image header, start address and length */
220 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
221 &images, &images.os.image_start, &images.os.image_len);
222 if (images.os.image_len == 0) {
223 puts ("ERROR: can't get kernel image!\n");
227 /* get image parameters */
228 switch (genimg_get_format (os_hdr)) {
229 case IMAGE_FORMAT_LEGACY:
230 images.os.type = image_get_type (os_hdr);
231 images.os.comp = image_get_comp (os_hdr);
232 images.os.os = image_get_os (os_hdr);
234 images.os.end = image_get_image_end (os_hdr);
235 images.os.load = image_get_load (os_hdr);
237 #if defined(CONFIG_FIT)
238 case IMAGE_FORMAT_FIT:
239 if (fit_image_get_type (images.fit_hdr_os,
240 images.fit_noffset_os, &images.os.type)) {
241 puts ("Can't get image type!\n");
242 show_boot_progress (-109);
246 if (fit_image_get_comp (images.fit_hdr_os,
247 images.fit_noffset_os, &images.os.comp)) {
248 puts ("Can't get image compression!\n");
249 show_boot_progress (-110);
253 if (fit_image_get_os (images.fit_hdr_os,
254 images.fit_noffset_os, &images.os.os)) {
255 puts ("Can't get image OS!\n");
256 show_boot_progress (-111);
260 images.os.end = fit_get_end (images.fit_hdr_os);
262 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
264 puts ("Can't get image load address!\n");
265 show_boot_progress (-112);
271 puts ("ERROR: unknown image format type!\n");
275 /* find kernel entry point */
276 if (images.legacy_hdr_valid) {
277 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
278 #if defined(CONFIG_FIT)
279 } else if (images.fit_uname_os) {
280 ret = fit_image_get_entry (images.fit_hdr_os,
281 images.fit_noffset_os, &images.ep);
283 puts ("Can't get entry point property!\n");
288 puts ("Could not find kernel entry point!\n");
292 if (((images.os.type == IH_TYPE_KERNEL) ||
293 (images.os.type == IH_TYPE_MULTI)) &&
294 (images.os.os == IH_OS_LINUX)) {
296 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
297 &images.rd_start, &images.rd_end);
299 puts ("Ramdisk image is corrupt or invalid\n");
303 #if defined(CONFIG_OF_LIBFDT)
304 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
305 /* find flattened device tree */
306 ret = boot_get_fdt (flag, argc, argv, &images,
307 &images.ft_addr, &images.ft_len);
309 puts ("Could not find a valid device tree\n");
313 set_working_fdt_addr(images.ft_addr);
318 images.os.start = (ulong)os_hdr;
319 images.state = BOOTM_STATE_START;
324 #define BOOTM_ERR_RESET -1
325 #define BOOTM_ERR_OVERLAP -2
326 #define BOOTM_ERR_UNIMPLEMENTED -3
327 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
329 uint8_t comp = os.comp;
330 ulong load = os.load;
331 ulong blob_start = os.start;
332 ulong blob_end = os.end;
333 ulong image_start = os.image_start;
334 ulong image_len = os.image_len;
335 uint unc_len = CONFIG_SYS_BOOTM_LEN;
337 const char *type_name = genimg_get_type_name (os.type);
341 if (load == blob_start) {
342 printf (" XIP %s ... ", type_name);
344 printf (" Loading %s ... ", type_name);
345 memmove_wd ((void *)load, (void *)image_start,
348 *load_end = load + image_len;
353 printf (" Uncompressing %s ... ", type_name);
354 if (gunzip ((void *)load, unc_len,
355 (uchar *)image_start, &image_len) != 0) {
356 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
357 "- must RESET board to recover\n");
359 show_boot_progress (-6);
360 return BOOTM_ERR_RESET;
363 *load_end = load + image_len;
365 #endif /* CONFIG_GZIP */
368 printf (" Uncompressing %s ... ", type_name);
370 * If we've got less than 4 MB of malloc() space,
371 * use slower decompression algorithm which requires
372 * at most 2300 KB of memory.
374 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
375 &unc_len, (char *)image_start, image_len,
376 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
378 printf ("BUNZIP2: uncompress or overwrite error %d "
379 "- must RESET board to recover\n", i);
381 show_boot_progress (-6);
382 return BOOTM_ERR_RESET;
385 *load_end = load + unc_len;
387 #endif /* CONFIG_BZIP2 */
390 printf (" Uncompressing %s ... ", type_name);
392 int ret = lzmaBuffToBuffDecompress(
393 (unsigned char *)load, &unc_len,
394 (unsigned char *)image_start, image_len);
396 printf ("LZMA: uncompress or overwrite error %d "
397 "- must RESET board to recover\n", ret);
398 show_boot_progress (-6);
399 return BOOTM_ERR_RESET;
401 *load_end = load + unc_len;
403 #endif /* CONFIG_LZMA */
406 printf (" Uncompressing %s ... ", type_name);
408 int ret = lzop_decompress((const unsigned char *)image_start,
409 image_len, (unsigned char *)load,
411 if (ret != LZO_E_OK) {
412 printf ("LZO: uncompress or overwrite error %d "
413 "- must RESET board to recover\n", ret);
415 show_boot_progress (-6);
416 return BOOTM_ERR_RESET;
419 *load_end = load + unc_len;
421 #endif /* CONFIG_LZO */
423 printf ("Unimplemented compression type %d\n", comp);
424 return BOOTM_ERR_UNIMPLEMENTED;
427 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
429 show_boot_progress (7);
431 if ((load < blob_end) && (*load_end > blob_start)) {
432 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
433 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
435 return BOOTM_ERR_OVERLAP;
441 static int bootm_start_standalone(ulong iflag, int argc, char *argv[])
444 int (*appl)(int, char *[]);
446 /* Don't start if "autostart" is set to "no" */
447 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
449 sprintf(buf, "%lX", images.os.image_len);
450 setenv("filesize", buf);
453 appl = (int (*)(int, char *[]))ntohl(images.ep);
454 (*appl)(argc-1, &argv[1]);
459 /* we overload the cmd field with our state machine info instead of a
460 * function pointer */
461 static cmd_tbl_t cmd_bootm_sub[] = {
462 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
463 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
464 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
465 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
467 #ifdef CONFIG_OF_LIBFDT
468 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
470 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
471 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
472 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
473 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
476 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
483 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
488 /* treat start special since it resets the state machine */
489 if (state == BOOTM_STATE_START) {
492 return bootm_start(cmdtp, flag, argc, argv);
495 /* Unrecognized command */
501 if (images.state >= state) {
502 printf ("Trying to execute a command out of order\n");
507 images.state |= state;
508 boot_fn = boot_os[images.os.os];
512 case BOOTM_STATE_START:
513 /* should never occur */
515 case BOOTM_STATE_LOADOS:
516 ret = bootm_load_os(images.os, &load_end, 0);
520 lmb_reserve(&images.lmb, images.os.load,
521 (load_end - images.os.load));
523 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
524 case BOOTM_STATE_RAMDISK:
526 ulong rd_len = images.rd_end - images.rd_start;
529 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
530 rd_len, &images.initrd_start, &images.initrd_end);
534 sprintf(str, "%lx", images.initrd_start);
535 setenv("initrd_start", str);
536 sprintf(str, "%lx", images.initrd_end);
537 setenv("initrd_end", str);
541 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
542 case BOOTM_STATE_FDT:
544 ulong bootmap_base = getenv_bootm_low();
545 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
546 &images.ft_addr, &images.ft_len);
550 case BOOTM_STATE_OS_CMDLINE:
551 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
553 printf ("cmdline subcommand not supported\n");
555 case BOOTM_STATE_OS_BD_T:
556 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
558 printf ("bdt subcommand not supported\n");
560 case BOOTM_STATE_OS_PREP:
561 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
563 printf ("prep subcommand not supported\n");
565 case BOOTM_STATE_OS_GO:
566 disable_interrupts();
568 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
575 /*******************************************************************/
576 /* bootm - boot application image from image in memory */
577 /*******************************************************************/
579 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
585 #ifndef CONFIG_RELOC_FIXUP_WORKS
586 static int relocated = 0;
588 /* relocate boot function table */
591 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
592 if (boot_os[i] != NULL)
593 boot_os[i] += gd->reloc_off;
598 /* determine if we have a sub command */
602 simple_strtoul(argv[1], &endp, 16);
603 /* endp pointing to NULL means that argv[1] was just a
604 * valid number, pass it along to the normal bootm processing
606 * If endp is ':' or '#' assume a FIT identifier so pass
607 * along for normal processing.
609 * Right now we assume the first arg should never be '-'
611 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
612 return do_bootm_subcommand(cmdtp, flag, argc, argv);
615 if (bootm_start(cmdtp, flag, argc, argv))
619 * We have reached the point of no return: we are going to
620 * overwrite all exception vector code, so we cannot easily
621 * recover from any failures any more...
623 iflag = disable_interrupts();
625 #if defined(CONFIG_CMD_USB)
627 * turn off USB to prevent the host controller from writing to the
628 * SDRAM while Linux is booting. This could happen (at least for OHCI
629 * controller), because the HCCA (Host Controller Communication Area)
630 * lies within the SDRAM and the host controller writes continously to
631 * this area (as busmaster!). The HccaFrameNumber is for example
632 * updated every 1 ms within the HCCA structure in SDRAM! For more
633 * details see the OpenHCI specification.
638 #ifdef CONFIG_AMIGAONEG3SE
640 * We've possible left the caches enabled during
641 * bios emulation, so turn them off again
647 ret = bootm_load_os(images.os, &load_end, 1);
650 if (ret == BOOTM_ERR_RESET)
651 do_reset (cmdtp, flag, argc, argv);
652 if (ret == BOOTM_ERR_OVERLAP) {
653 if (images.legacy_hdr_valid) {
654 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
655 puts ("WARNING: legacy format multi component "
656 "image overwritten\n");
658 puts ("ERROR: new format image overwritten - "
659 "must RESET the board to recover\n");
660 show_boot_progress (-113);
661 do_reset (cmdtp, flag, argc, argv);
664 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
667 show_boot_progress (-7);
672 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
674 if (images.os.type == IH_TYPE_STANDALONE) {
677 /* This may return when 'autostart' is 'no' */
678 bootm_start_standalone(iflag, argc, argv);
682 show_boot_progress (8);
684 #ifdef CONFIG_SILENT_CONSOLE
685 if (images.os.os == IH_OS_LINUX)
686 fixup_silent_linux();
689 boot_fn = boot_os[images.os.os];
691 if (boot_fn == NULL) {
694 printf ("ERROR: booting os '%s' (%d) is not supported\n",
695 genimg_get_os_name(images.os.os), images.os.os);
696 show_boot_progress (-8);
702 boot_fn(0, argc, argv, &images);
704 show_boot_progress (-9);
706 puts ("\n## Control returned to monitor - resetting...\n");
708 do_reset (cmdtp, flag, argc, argv);
714 * image_get_kernel - verify legacy format kernel image
715 * @img_addr: in RAM address of the legacy format image to be verified
716 * @verify: data CRC verification flag
718 * image_get_kernel() verifies legacy image integrity and returns pointer to
719 * legacy image header if image verification was completed successfully.
722 * pointer to a legacy image header if valid image was found
723 * otherwise return NULL
725 static image_header_t *image_get_kernel (ulong img_addr, int verify)
727 image_header_t *hdr = (image_header_t *)img_addr;
729 if (!image_check_magic(hdr)) {
730 puts ("Bad Magic Number\n");
731 show_boot_progress (-1);
734 show_boot_progress (2);
736 if (!image_check_hcrc (hdr)) {
737 puts ("Bad Header Checksum\n");
738 show_boot_progress (-2);
742 show_boot_progress (3);
743 image_print_contents (hdr);
746 puts (" Verifying Checksum ... ");
747 if (!image_check_dcrc (hdr)) {
748 printf ("Bad Data CRC\n");
749 show_boot_progress (-3);
754 show_boot_progress (4);
756 if (!image_check_target_arch (hdr)) {
757 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
758 show_boot_progress (-4);
765 * fit_check_kernel - verify FIT format kernel subimage
766 * @fit_hdr: pointer to the FIT image header
767 * os_noffset: kernel subimage node offset within FIT image
768 * @verify: data CRC verification flag
770 * fit_check_kernel() verifies integrity of the kernel subimage and from
771 * specified FIT image.
777 #if defined (CONFIG_FIT)
778 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
780 fit_image_print (fit, os_noffset, " ");
783 puts (" Verifying Hash Integrity ... ");
784 if (!fit_image_check_hashes (fit, os_noffset)) {
785 puts ("Bad Data Hash\n");
786 show_boot_progress (-104);
791 show_boot_progress (105);
793 if (!fit_image_check_target_arch (fit, os_noffset)) {
794 puts ("Unsupported Architecture\n");
795 show_boot_progress (-105);
799 show_boot_progress (106);
800 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
801 puts ("Not a kernel image\n");
802 show_boot_progress (-106);
806 show_boot_progress (107);
809 #endif /* CONFIG_FIT */
812 * boot_get_kernel - find kernel image
813 * @os_data: pointer to a ulong variable, will hold os data start address
814 * @os_len: pointer to a ulong variable, will hold os data length
816 * boot_get_kernel() tries to find a kernel image, verifies its integrity
817 * and locates kernel data.
820 * pointer to image header if valid image was found, plus kernel start
821 * address and length, otherwise NULL
823 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
824 bootm_headers_t *images, ulong *os_data, ulong *os_len)
828 #if defined(CONFIG_FIT)
830 const char *fit_uname_config = NULL;
831 const char *fit_uname_kernel = NULL;
838 /* find out kernel image address */
840 img_addr = load_addr;
841 debug ("* kernel: default image load address = 0x%08lx\n",
843 #if defined(CONFIG_FIT)
844 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
845 &fit_uname_config)) {
846 debug ("* kernel: config '%s' from image at 0x%08lx\n",
847 fit_uname_config, img_addr);
848 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
849 &fit_uname_kernel)) {
850 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
851 fit_uname_kernel, img_addr);
854 img_addr = simple_strtoul(argv[1], NULL, 16);
855 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
858 show_boot_progress (1);
860 /* copy from dataflash if needed */
861 img_addr = genimg_get_image (img_addr);
863 /* check image type, for FIT images get FIT kernel node */
864 *os_data = *os_len = 0;
865 switch (genimg_get_format ((void *)img_addr)) {
866 case IMAGE_FORMAT_LEGACY:
867 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
869 hdr = image_get_kernel (img_addr, images->verify);
872 show_boot_progress (5);
874 /* get os_data and os_len */
875 switch (image_get_type (hdr)) {
877 *os_data = image_get_data (hdr);
878 *os_len = image_get_data_size (hdr);
881 image_multi_getimg (hdr, 0, os_data, os_len);
883 case IH_TYPE_STANDALONE:
884 *os_data = image_get_data (hdr);
885 *os_len = image_get_data_size (hdr);
888 printf ("Wrong Image Type for %s command\n", cmdtp->name);
889 show_boot_progress (-5);
894 * copy image header to allow for image overwrites during kernel
897 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
899 /* save pointer to image header */
900 images->legacy_hdr_os = hdr;
902 images->legacy_hdr_valid = 1;
903 show_boot_progress (6);
905 #if defined(CONFIG_FIT)
906 case IMAGE_FORMAT_FIT:
907 fit_hdr = (void *)img_addr;
908 printf ("## Booting kernel from FIT Image at %08lx ...\n",
911 if (!fit_check_format (fit_hdr)) {
912 puts ("Bad FIT kernel image format!\n");
913 show_boot_progress (-100);
916 show_boot_progress (100);
918 if (!fit_uname_kernel) {
920 * no kernel image node unit name, try to get config
921 * node first. If config unit node name is NULL
922 * fit_conf_get_node() will try to find default config node
924 show_boot_progress (101);
925 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
926 if (cfg_noffset < 0) {
927 show_boot_progress (-101);
930 /* save configuration uname provided in the first
933 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
934 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
935 show_boot_progress (103);
937 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
938 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
940 /* get kernel component image node offset */
941 show_boot_progress (102);
942 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
944 if (os_noffset < 0) {
945 show_boot_progress (-103);
949 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
951 show_boot_progress (104);
952 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
955 /* get kernel image data address and length */
956 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
957 puts ("Could not find kernel subimage data!\n");
958 show_boot_progress (-107);
961 show_boot_progress (108);
964 *os_data = (ulong)data;
965 images->fit_hdr_os = fit_hdr;
966 images->fit_uname_os = fit_uname_kernel;
967 images->fit_noffset_os = os_noffset;
971 printf ("Wrong Image Format for %s command\n", cmdtp->name);
972 show_boot_progress (-108);
976 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
977 *os_data, *os_len, *os_len);
979 return (void *)img_addr;
983 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
984 "boot application image from memory",
985 "[addr [arg ...]]\n - boot application image stored in memory\n"
986 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
987 "\t'arg' can be the address of an initrd image\n"
988 #if defined(CONFIG_OF_LIBFDT)
989 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
990 "\ta third argument is required which is the address of the\n"
991 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
992 "\tuse a '-' for the second argument. If you do not pass a third\n"
993 "\ta bd_info struct will be passed instead\n"
995 #if defined(CONFIG_FIT)
996 "\t\nFor the new multi component uImage format (FIT) addresses\n"
997 "\tmust be extened to include component or configuration unit name:\n"
998 "\taddr:<subimg_uname> - direct component image specification\n"
999 "\taddr#<conf_uname> - configuration specification\n"
1000 "\tUse iminfo command to get the list of existing component\n"
1001 "\timages and configurations.\n"
1003 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1005 "issued in the order below (it's ok to not issue all sub-commands):\n"
1006 "\tstart [addr [arg ...]]\n"
1007 "\tloados - load OS image\n"
1008 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1009 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1011 #if defined(CONFIG_OF_LIBFDT)
1012 "\tfdt - relocate flat device tree\n"
1014 "\tcmdline - OS specific command line processing/setup\n"
1015 "\tbdt - OS specific bd_t processing\n"
1016 "\tprep - OS specific prep before relocation or go\n"
1020 /*******************************************************************/
1021 /* bootd - boot default image */
1022 /*******************************************************************/
1023 #if defined(CONFIG_CMD_BOOTD)
1024 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1028 #ifndef CONFIG_SYS_HUSH_PARSER
1029 if (run_command (getenv ("bootcmd"), flag) < 0)
1032 if (parse_string_outer (getenv ("bootcmd"),
1033 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1040 boot, 1, 1, do_bootd,
1041 "boot default, i.e., run 'bootcmd'",
1045 /* keep old command name "bootd" for backward compatibility */
1047 bootd, 1, 1, do_bootd,
1048 "boot default, i.e., run 'bootcmd'",
1055 /*******************************************************************/
1056 /* iminfo - print header info for a requested image */
1057 /*******************************************************************/
1058 #if defined(CONFIG_CMD_IMI)
1059 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1066 return image_info (load_addr);
1069 for (arg = 1; arg < argc; ++arg) {
1070 addr = simple_strtoul (argv[arg], NULL, 16);
1071 if (image_info (addr) != 0)
1077 static int image_info (ulong addr)
1079 void *hdr = (void *)addr;
1081 printf ("\n## Checking Image at %08lx ...\n", addr);
1083 switch (genimg_get_format (hdr)) {
1084 case IMAGE_FORMAT_LEGACY:
1085 puts (" Legacy image found\n");
1086 if (!image_check_magic (hdr)) {
1087 puts (" Bad Magic Number\n");
1091 if (!image_check_hcrc (hdr)) {
1092 puts (" Bad Header Checksum\n");
1096 image_print_contents (hdr);
1098 puts (" Verifying Checksum ... ");
1099 if (!image_check_dcrc (hdr)) {
1100 puts (" Bad Data CRC\n");
1105 #if defined(CONFIG_FIT)
1106 case IMAGE_FORMAT_FIT:
1107 puts (" FIT image found\n");
1109 if (!fit_check_format (hdr)) {
1110 puts ("Bad FIT image format!\n");
1114 fit_print_contents (hdr);
1116 if (!fit_all_image_check_hashes (hdr)) {
1117 puts ("Bad hash in FIT image!\n");
1124 puts ("Unknown image format!\n");
1132 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1133 "print header information for application image",
1135 " - print header information for application image starting at\n"
1136 " address 'addr' in memory; this includes verification of the\n"
1137 " image contents (magic number, header and payload checksums)"
1142 /*******************************************************************/
1143 /* imls - list all images found in flash */
1144 /*******************************************************************/
1145 #if defined(CONFIG_CMD_IMLS)
1146 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1152 for (i = 0, info = &flash_info[0];
1153 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1155 if (info->flash_id == FLASH_UNKNOWN)
1157 for (j = 0; j < info->sector_count; ++j) {
1159 hdr = (void *)info->start[j];
1163 switch (genimg_get_format (hdr)) {
1164 case IMAGE_FORMAT_LEGACY:
1165 if (!image_check_hcrc (hdr))
1168 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1169 image_print_contents (hdr);
1171 puts (" Verifying Checksum ... ");
1172 if (!image_check_dcrc (hdr)) {
1173 puts ("Bad Data CRC\n");
1178 #if defined(CONFIG_FIT)
1179 case IMAGE_FORMAT_FIT:
1180 if (!fit_check_format (hdr))
1183 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1184 fit_print_contents (hdr);
1200 imls, 1, 1, do_imls,
1201 "list all images found in flash",
1203 " - Prints information about all images found at sector\n"
1204 " boundaries in flash."
1208 /*******************************************************************/
1209 /* helper routines */
1210 /*******************************************************************/
1211 #ifdef CONFIG_SILENT_CONSOLE
1212 static void fixup_silent_linux ()
1214 char buf[256], *start, *end;
1215 char *cmdline = getenv ("bootargs");
1217 /* Only fix cmdline when requested */
1218 if (!(gd->flags & GD_FLG_SILENT))
1221 debug ("before silent fix-up: %s\n", cmdline);
1223 if ((start = strstr (cmdline, "console=")) != NULL) {
1224 end = strchr (start, ' ');
1225 strncpy (buf, cmdline, (start - cmdline + 8));
1227 strcpy (buf + (start - cmdline + 8), end);
1229 buf[start - cmdline + 8] = '\0';
1231 strcpy (buf, cmdline);
1232 strcat (buf, " console=");
1235 strcpy (buf, "console=");
1238 setenv ("bootargs", buf);
1239 debug ("after silent fix-up: %s\n", buf);
1241 #endif /* CONFIG_SILENT_CONSOLE */
1244 /*******************************************************************/
1245 /* OS booting routines */
1246 /*******************************************************************/
1248 #ifdef CONFIG_BOOTM_NETBSD
1249 static int do_bootm_netbsd (int flag, int argc, char *argv[],
1250 bootm_headers_t *images)
1252 void (*loader)(bd_t *, image_header_t *, char *, char *);
1253 image_header_t *os_hdr, *hdr;
1254 ulong kernel_data, kernel_len;
1258 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1261 #if defined(CONFIG_FIT)
1262 if (!images->legacy_hdr_valid) {
1263 fit_unsupported_reset ("NetBSD");
1267 hdr = images->legacy_hdr_os;
1270 * Booting a (NetBSD) kernel image
1272 * This process is pretty similar to a standalone application:
1273 * The (first part of an multi-) image must be a stage-2 loader,
1274 * which in turn is responsible for loading & invoking the actual
1275 * kernel. The only differences are the parameters being passed:
1276 * besides the board info strucure, the loader expects a command
1277 * line, the name of the console device, and (optionally) the
1278 * address of the original image header.
1281 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1282 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1288 #if defined (CONFIG_8xx_CONS_SMC1)
1290 #elif defined (CONFIG_8xx_CONS_SMC2)
1292 #elif defined (CONFIG_8xx_CONS_SCC2)
1294 #elif defined (CONFIG_8xx_CONS_SCC3)
1302 for (i = 2, len = 0; i < argc; i += 1)
1303 len += strlen (argv[i]) + 1;
1304 cmdline = malloc (len);
1306 for (i = 2, len = 0; i < argc; i += 1) {
1308 cmdline[len++] = ' ';
1309 strcpy (&cmdline[len], argv[i]);
1310 len += strlen (argv[i]);
1312 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1316 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1318 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1321 show_boot_progress (15);
1324 * NetBSD Stage-2 Loader Parameters:
1325 * r3: ptr to board info data
1327 * r5: console device
1328 * r6: boot args string
1330 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1334 #endif /* CONFIG_BOOTM_NETBSD*/
1336 #ifdef CONFIG_LYNXKDI
1337 static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
1338 bootm_headers_t *images)
1340 image_header_t *hdr = &images->legacy_hdr_os_copy;
1342 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1345 #if defined(CONFIG_FIT)
1346 if (!images->legacy_hdr_valid) {
1347 fit_unsupported_reset ("Lynx");
1352 lynxkdi_boot ((image_header_t *)hdr);
1356 #endif /* CONFIG_LYNXKDI */
1358 #ifdef CONFIG_BOOTM_RTEMS
1359 static int do_bootm_rtems (int flag, int argc, char *argv[],
1360 bootm_headers_t *images)
1362 void (*entry_point)(bd_t *);
1364 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1367 #if defined(CONFIG_FIT)
1368 if (!images->legacy_hdr_valid) {
1369 fit_unsupported_reset ("RTEMS");
1374 entry_point = (void (*)(bd_t *))images->ep;
1376 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1377 (ulong)entry_point);
1379 show_boot_progress (15);
1383 * r3: ptr to board info data
1385 (*entry_point)(gd->bd);
1389 #endif /* CONFIG_BOOTM_RTEMS */
1391 #if defined(CONFIG_CMD_ELF)
1392 static int do_bootm_vxworks (int flag, int argc, char *argv[],
1393 bootm_headers_t *images)
1397 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1400 #if defined(CONFIG_FIT)
1401 if (!images->legacy_hdr_valid) {
1402 fit_unsupported_reset ("VxWorks");
1407 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1408 setenv("loadaddr", str);
1409 do_bootvx(NULL, 0, 0, NULL);
1414 static int do_bootm_qnxelf(int flag, int argc, char *argv[],
1415 bootm_headers_t *images)
1417 char *local_args[2];
1420 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1423 #if defined(CONFIG_FIT)
1424 if (!images->legacy_hdr_valid) {
1425 fit_unsupported_reset ("QNX");
1430 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1431 local_args[0] = argv[0];
1432 local_args[1] = str; /* and provide it via the arguments */
1433 do_bootelf(NULL, 0, 2, local_args);
1439 #ifdef CONFIG_INTEGRITY
1440 static int do_bootm_integrity (int flag, int argc, char *argv[],
1441 bootm_headers_t *images)
1443 void (*entry_point)(void);
1445 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1448 #if defined(CONFIG_FIT)
1449 if (!images->legacy_hdr_valid) {
1450 fit_unsupported_reset ("INTEGRITY");
1455 entry_point = (void (*)(void))images->ep;
1457 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1458 (ulong)entry_point);
1460 show_boot_progress (15);
1463 * INTEGRITY Parameters: