2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <u-boot/zlib.h>
35 #include <environment.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
40 #if defined(CONFIG_CMD_USB)
44 #ifdef CONFIG_SYS_HUSH_PARSER
48 #if defined(CONFIG_OF_LIBFDT)
51 #include <fdt_support.h>
55 #include <lzma/LzmaTypes.h>
56 #include <lzma/LzmaDec.h>
57 #include <lzma/LzmaTools.h>
58 #endif /* CONFIG_LZMA */
61 #include <linux/lzo.h>
62 #endif /* CONFIG_LZO */
64 DECLARE_GLOBAL_DATA_PTR;
66 #ifndef CONFIG_SYS_BOOTM_LEN
67 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
71 extern void bz_internal_error(int);
74 #if defined(CONFIG_CMD_IMI)
75 static int image_info (unsigned long addr);
78 #if defined(CONFIG_CMD_IMLS)
80 #include <mtd/cfi_flash.h>
81 extern flash_info_t flash_info[]; /* info for FLASH chips */
82 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
85 #ifdef CONFIG_SILENT_CONSOLE
86 static void fixup_silent_linux (void);
89 static image_header_t *image_get_kernel (ulong img_addr, int verify);
90 #if defined(CONFIG_FIT)
91 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
94 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char * const argv[],
95 bootm_headers_t *images, ulong *os_data, ulong *os_len);
98 * Continue booting an OS image; caller already has:
99 * - copied image header to global variable `header'
100 * - checked header magic number, checksums (both header & image),
101 * - verified image architecture (PPC) and type (KERNEL or MULTI),
102 * - loaded (first part of) image to header load address,
103 * - disabled interrupts.
105 typedef int boot_os_fn (int flag, int argc, char * const argv[],
106 bootm_headers_t *images); /* pointers to os/initrd/fdt */
108 #ifdef CONFIG_BOOTM_LINUX
109 extern boot_os_fn do_bootm_linux;
111 #ifdef CONFIG_BOOTM_NETBSD
112 static boot_os_fn do_bootm_netbsd;
114 #if defined(CONFIG_LYNXKDI)
115 static boot_os_fn do_bootm_lynxkdi;
116 extern void lynxkdi_boot (image_header_t *);
118 #ifdef CONFIG_BOOTM_RTEMS
119 static boot_os_fn do_bootm_rtems;
121 #if defined(CONFIG_BOOTM_OSE)
122 static boot_os_fn do_bootm_ose;
124 #if defined(CONFIG_CMD_ELF)
125 static boot_os_fn do_bootm_vxworks;
126 static boot_os_fn do_bootm_qnxelf;
127 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
128 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
130 #if defined(CONFIG_INTEGRITY)
131 static boot_os_fn do_bootm_integrity;
134 static boot_os_fn *boot_os[] = {
135 #ifdef CONFIG_BOOTM_LINUX
136 [IH_OS_LINUX] = do_bootm_linux,
138 #ifdef CONFIG_BOOTM_NETBSD
139 [IH_OS_NETBSD] = do_bootm_netbsd,
141 #ifdef CONFIG_LYNXKDI
142 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
144 #ifdef CONFIG_BOOTM_RTEMS
145 [IH_OS_RTEMS] = do_bootm_rtems,
147 #if defined(CONFIG_BOOTM_OSE)
148 [IH_OS_OSE] = do_bootm_ose,
150 #if defined(CONFIG_CMD_ELF)
151 [IH_OS_VXWORKS] = do_bootm_vxworks,
152 [IH_OS_QNX] = do_bootm_qnxelf,
154 #ifdef CONFIG_INTEGRITY
155 [IH_OS_INTEGRITY] = do_bootm_integrity,
159 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
161 /* Allow for arch specific config before we boot */
162 void __arch_preboot_os(void)
164 /* please define platform specific arch_preboot_os() */
166 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
169 #define IH_INITRD_ARCH IH_ARCH_ARM
170 #elif defined(__avr32__)
171 #define IH_INITRD_ARCH IH_ARCH_AVR32
172 #elif defined(__bfin__)
173 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
174 #elif defined(__I386__)
175 #define IH_INITRD_ARCH IH_ARCH_I386
176 #elif defined(__M68K__)
177 #define IH_INITRD_ARCH IH_ARCH_M68K
178 #elif defined(__microblaze__)
179 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
180 #elif defined(__mips__)
181 #define IH_INITRD_ARCH IH_ARCH_MIPS
182 #elif defined(__nios2__)
183 #define IH_INITRD_ARCH IH_ARCH_NIOS2
184 #elif defined(__PPC__)
185 #define IH_INITRD_ARCH IH_ARCH_PPC
186 #elif defined(__sh__)
187 #define IH_INITRD_ARCH IH_ARCH_SH
188 #elif defined(__sparc__)
189 #define IH_INITRD_ARCH IH_ARCH_SPARC
191 # error Unknown CPU type
194 static void bootm_start_lmb(void)
198 phys_size_t mem_size;
200 lmb_init(&images.lmb);
202 mem_start = getenv_bootm_low();
203 mem_size = getenv_bootm_size();
205 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
207 arch_lmb_reserve(&images.lmb);
208 board_lmb_reserve(&images.lmb);
210 # define lmb_reserve(lmb, base, size)
214 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
219 memset ((void *)&images, 0, sizeof (images));
220 images.verify = getenv_yesno ("verify");
224 /* get kernel image header, start address and length */
225 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
226 &images, &images.os.image_start, &images.os.image_len);
227 if (images.os.image_len == 0) {
228 puts ("ERROR: can't get kernel image!\n");
232 /* get image parameters */
233 switch (genimg_get_format (os_hdr)) {
234 case IMAGE_FORMAT_LEGACY:
235 images.os.type = image_get_type (os_hdr);
236 images.os.comp = image_get_comp (os_hdr);
237 images.os.os = image_get_os (os_hdr);
239 images.os.end = image_get_image_end (os_hdr);
240 images.os.load = image_get_load (os_hdr);
242 #if defined(CONFIG_FIT)
243 case IMAGE_FORMAT_FIT:
244 if (fit_image_get_type (images.fit_hdr_os,
245 images.fit_noffset_os, &images.os.type)) {
246 puts ("Can't get image type!\n");
247 show_boot_progress (-109);
251 if (fit_image_get_comp (images.fit_hdr_os,
252 images.fit_noffset_os, &images.os.comp)) {
253 puts ("Can't get image compression!\n");
254 show_boot_progress (-110);
258 if (fit_image_get_os (images.fit_hdr_os,
259 images.fit_noffset_os, &images.os.os)) {
260 puts ("Can't get image OS!\n");
261 show_boot_progress (-111);
265 images.os.end = fit_get_end (images.fit_hdr_os);
267 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
269 puts ("Can't get image load address!\n");
270 show_boot_progress (-112);
276 puts ("ERROR: unknown image format type!\n");
280 /* find kernel entry point */
281 if (images.legacy_hdr_valid) {
282 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
283 #if defined(CONFIG_FIT)
284 } else if (images.fit_uname_os) {
285 ret = fit_image_get_entry (images.fit_hdr_os,
286 images.fit_noffset_os, &images.ep);
288 puts ("Can't get entry point property!\n");
293 puts ("Could not find kernel entry point!\n");
297 if (((images.os.type == IH_TYPE_KERNEL) ||
298 (images.os.type == IH_TYPE_MULTI)) &&
299 (images.os.os == IH_OS_LINUX)) {
301 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
302 &images.rd_start, &images.rd_end);
304 puts ("Ramdisk image is corrupt or invalid\n");
308 #if defined(CONFIG_OF_LIBFDT)
309 /* find flattened device tree */
310 ret = boot_get_fdt (flag, argc, argv, &images,
311 &images.ft_addr, &images.ft_len);
313 puts ("Could not find a valid device tree\n");
317 set_working_fdt_addr(images.ft_addr);
321 images.os.start = (ulong)os_hdr;
322 images.state = BOOTM_STATE_START;
327 #define BOOTM_ERR_RESET -1
328 #define BOOTM_ERR_OVERLAP -2
329 #define BOOTM_ERR_UNIMPLEMENTED -3
330 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
332 uint8_t comp = os.comp;
333 ulong load = os.load;
334 ulong blob_start = os.start;
335 ulong blob_end = os.end;
336 ulong image_start = os.image_start;
337 ulong image_len = os.image_len;
338 uint unc_len = CONFIG_SYS_BOOTM_LEN;
339 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
341 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
343 const char *type_name = genimg_get_type_name (os.type);
347 if (load == blob_start || load == image_start) {
348 printf (" XIP %s ... ", type_name);
350 printf (" Loading %s ... ", type_name);
351 memmove_wd ((void *)load, (void *)image_start,
354 *load_end = load + image_len;
359 printf (" Uncompressing %s ... ", type_name);
360 if (gunzip ((void *)load, unc_len,
361 (uchar *)image_start, &image_len) != 0) {
362 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
363 "- must RESET board to recover\n");
365 show_boot_progress (-6);
366 return BOOTM_ERR_RESET;
369 *load_end = load + image_len;
371 #endif /* CONFIG_GZIP */
374 printf (" Uncompressing %s ... ", type_name);
376 * If we've got less than 4 MB of malloc() space,
377 * use slower decompression algorithm which requires
378 * at most 2300 KB of memory.
380 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
381 &unc_len, (char *)image_start, image_len,
382 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
384 printf ("BUNZIP2: uncompress or overwrite error %d "
385 "- must RESET board to recover\n", i);
387 show_boot_progress (-6);
388 return BOOTM_ERR_RESET;
391 *load_end = load + unc_len;
393 #endif /* CONFIG_BZIP2 */
396 SizeT lzma_len = unc_len;
397 printf (" Uncompressing %s ... ", type_name);
399 ret = lzmaBuffToBuffDecompress(
400 (unsigned char *)load, &lzma_len,
401 (unsigned char *)image_start, image_len);
404 printf ("LZMA: uncompress or overwrite error %d "
405 "- must RESET board to recover\n", ret);
406 show_boot_progress (-6);
407 return BOOTM_ERR_RESET;
409 *load_end = load + unc_len;
412 #endif /* CONFIG_LZMA */
415 printf (" Uncompressing %s ... ", type_name);
417 ret = lzop_decompress((const unsigned char *)image_start,
418 image_len, (unsigned char *)load,
420 if (ret != LZO_E_OK) {
421 printf ("LZO: uncompress or overwrite error %d "
422 "- must RESET board to recover\n", ret);
424 show_boot_progress (-6);
425 return BOOTM_ERR_RESET;
428 *load_end = load + unc_len;
430 #endif /* CONFIG_LZO */
432 printf ("Unimplemented compression type %d\n", comp);
433 return BOOTM_ERR_UNIMPLEMENTED;
436 flush_cache(load, (*load_end - load) * sizeof(ulong));
439 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
441 show_boot_progress (7);
443 if ((load < blob_end) && (*load_end > blob_start)) {
444 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
445 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
447 return BOOTM_ERR_OVERLAP;
453 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
456 int (*appl)(int, char * const []);
458 /* Don't start if "autostart" is set to "no" */
459 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
461 sprintf(buf, "%lX", images.os.image_len);
462 setenv("filesize", buf);
465 appl = (int (*)(int, char * const []))ntohl(images.ep);
466 (*appl)(argc-1, &argv[1]);
471 /* we overload the cmd field with our state machine info instead of a
472 * function pointer */
473 static cmd_tbl_t cmd_bootm_sub[] = {
474 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
475 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
476 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
477 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
479 #ifdef CONFIG_OF_LIBFDT
480 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
482 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
483 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
484 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
485 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
488 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
495 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
500 /* treat start special since it resets the state machine */
501 if (state == BOOTM_STATE_START) {
504 return bootm_start(cmdtp, flag, argc, argv);
507 /* Unrecognized command */
508 return cmd_usage(cmdtp);
511 if (images.state >= state) {
512 printf ("Trying to execute a command out of order\n");
513 return cmd_usage(cmdtp);
516 images.state |= state;
517 boot_fn = boot_os[images.os.os];
521 case BOOTM_STATE_START:
522 /* should never occur */
524 case BOOTM_STATE_LOADOS:
525 ret = bootm_load_os(images.os, &load_end, 0);
529 lmb_reserve(&images.lmb, images.os.load,
530 (load_end - images.os.load));
532 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
533 case BOOTM_STATE_RAMDISK:
535 ulong rd_len = images.rd_end - images.rd_start;
538 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
539 rd_len, &images.initrd_start, &images.initrd_end);
543 sprintf(str, "%lx", images.initrd_start);
544 setenv("initrd_start", str);
545 sprintf(str, "%lx", images.initrd_end);
546 setenv("initrd_end", str);
550 #if defined(CONFIG_OF_LIBFDT)
551 case BOOTM_STATE_FDT:
553 boot_fdt_add_mem_rsv_regions(&images.lmb,
555 ret = boot_relocate_fdt(&images.lmb,
556 &images.ft_addr, &images.ft_len);
560 case BOOTM_STATE_OS_CMDLINE:
561 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
563 printf ("cmdline subcommand not supported\n");
565 case BOOTM_STATE_OS_BD_T:
566 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
568 printf ("bdt subcommand not supported\n");
570 case BOOTM_STATE_OS_PREP:
571 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
573 printf ("prep subcommand not supported\n");
575 case BOOTM_STATE_OS_GO:
576 disable_interrupts();
578 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
585 /*******************************************************************/
586 /* bootm - boot application image from image in memory */
587 /*******************************************************************/
589 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
595 #ifdef CONFIG_NEEDS_MANUAL_RELOC
596 static int relocated = 0;
598 /* relocate boot function table */
601 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
602 if (boot_os[i] != NULL)
603 boot_os[i] += gd->reloc_off;
608 /* determine if we have a sub command */
612 simple_strtoul(argv[1], &endp, 16);
613 /* endp pointing to NULL means that argv[1] was just a
614 * valid number, pass it along to the normal bootm processing
616 * If endp is ':' or '#' assume a FIT identifier so pass
617 * along for normal processing.
619 * Right now we assume the first arg should never be '-'
621 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
622 return do_bootm_subcommand(cmdtp, flag, argc, argv);
625 if (bootm_start(cmdtp, flag, argc, argv))
629 * We have reached the point of no return: we are going to
630 * overwrite all exception vector code, so we cannot easily
631 * recover from any failures any more...
633 iflag = disable_interrupts();
635 #if defined(CONFIG_CMD_USB)
637 * turn off USB to prevent the host controller from writing to the
638 * SDRAM while Linux is booting. This could happen (at least for OHCI
639 * controller), because the HCCA (Host Controller Communication Area)
640 * lies within the SDRAM and the host controller writes continously to
641 * this area (as busmaster!). The HccaFrameNumber is for example
642 * updated every 1 ms within the HCCA structure in SDRAM! For more
643 * details see the OpenHCI specification.
648 ret = bootm_load_os(images.os, &load_end, 1);
651 if (ret == BOOTM_ERR_RESET)
652 do_reset (cmdtp, flag, argc, argv);
653 if (ret == BOOTM_ERR_OVERLAP) {
654 if (images.legacy_hdr_valid) {
655 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
656 puts ("WARNING: legacy format multi component "
657 "image overwritten\n");
659 puts ("ERROR: new format image overwritten - "
660 "must RESET the board to recover\n");
661 show_boot_progress (-113);
662 do_reset (cmdtp, flag, argc, argv);
665 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
668 show_boot_progress (-7);
673 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
675 if (images.os.type == IH_TYPE_STANDALONE) {
678 /* This may return when 'autostart' is 'no' */
679 bootm_start_standalone(iflag, argc, argv);
683 show_boot_progress (8);
685 #ifdef CONFIG_SILENT_CONSOLE
686 if (images.os.os == IH_OS_LINUX)
687 fixup_silent_linux();
690 boot_fn = boot_os[images.os.os];
692 if (boot_fn == NULL) {
695 printf ("ERROR: booting os '%s' (%d) is not supported\n",
696 genimg_get_os_name(images.os.os), images.os.os);
697 show_boot_progress (-8);
703 boot_fn(0, argc, argv, &images);
705 show_boot_progress (-9);
707 puts ("\n## Control returned to monitor - resetting...\n");
709 do_reset (cmdtp, flag, argc, argv);
714 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
716 const char *ep = getenv("autostart");
718 if (ep && !strcmp(ep, "yes")) {
720 local_args[0] = (char *)cmd;
721 local_args[1] = NULL;
722 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
723 return do_bootm(cmdtp, 0, 1, local_args);
730 * image_get_kernel - verify legacy format kernel image
731 * @img_addr: in RAM address of the legacy format image to be verified
732 * @verify: data CRC verification flag
734 * image_get_kernel() verifies legacy image integrity and returns pointer to
735 * legacy image header if image verification was completed successfully.
738 * pointer to a legacy image header if valid image was found
739 * otherwise return NULL
741 static image_header_t *image_get_kernel (ulong img_addr, int verify)
743 image_header_t *hdr = (image_header_t *)img_addr;
745 if (!image_check_magic(hdr)) {
746 puts ("Bad Magic Number\n");
747 show_boot_progress (-1);
750 show_boot_progress (2);
752 if (!image_check_hcrc (hdr)) {
753 puts ("Bad Header Checksum\n");
754 show_boot_progress (-2);
758 show_boot_progress (3);
759 image_print_contents (hdr);
762 puts (" Verifying Checksum ... ");
763 if (!image_check_dcrc (hdr)) {
764 printf ("Bad Data CRC\n");
765 show_boot_progress (-3);
770 show_boot_progress (4);
772 if (!image_check_target_arch (hdr)) {
773 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
774 show_boot_progress (-4);
781 * fit_check_kernel - verify FIT format kernel subimage
782 * @fit_hdr: pointer to the FIT image header
783 * os_noffset: kernel subimage node offset within FIT image
784 * @verify: data CRC verification flag
786 * fit_check_kernel() verifies integrity of the kernel subimage and from
787 * specified FIT image.
793 #if defined (CONFIG_FIT)
794 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
796 fit_image_print (fit, os_noffset, " ");
799 puts (" Verifying Hash Integrity ... ");
800 if (!fit_image_check_hashes (fit, os_noffset)) {
801 puts ("Bad Data Hash\n");
802 show_boot_progress (-104);
807 show_boot_progress (105);
809 if (!fit_image_check_target_arch (fit, os_noffset)) {
810 puts ("Unsupported Architecture\n");
811 show_boot_progress (-105);
815 show_boot_progress (106);
816 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
817 puts ("Not a kernel image\n");
818 show_boot_progress (-106);
822 show_boot_progress (107);
825 #endif /* CONFIG_FIT */
828 * boot_get_kernel - find kernel image
829 * @os_data: pointer to a ulong variable, will hold os data start address
830 * @os_len: pointer to a ulong variable, will hold os data length
832 * boot_get_kernel() tries to find a kernel image, verifies its integrity
833 * and locates kernel data.
836 * pointer to image header if valid image was found, plus kernel start
837 * address and length, otherwise NULL
839 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
840 bootm_headers_t *images, ulong *os_data, ulong *os_len)
844 #if defined(CONFIG_FIT)
846 const char *fit_uname_config = NULL;
847 const char *fit_uname_kernel = NULL;
854 /* find out kernel image address */
856 img_addr = load_addr;
857 debug ("* kernel: default image load address = 0x%08lx\n",
859 #if defined(CONFIG_FIT)
860 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
861 &fit_uname_config)) {
862 debug ("* kernel: config '%s' from image at 0x%08lx\n",
863 fit_uname_config, img_addr);
864 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
865 &fit_uname_kernel)) {
866 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
867 fit_uname_kernel, img_addr);
870 img_addr = simple_strtoul(argv[1], NULL, 16);
871 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
874 show_boot_progress (1);
876 /* copy from dataflash if needed */
877 img_addr = genimg_get_image (img_addr);
879 /* check image type, for FIT images get FIT kernel node */
880 *os_data = *os_len = 0;
881 switch (genimg_get_format ((void *)img_addr)) {
882 case IMAGE_FORMAT_LEGACY:
883 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
885 hdr = image_get_kernel (img_addr, images->verify);
888 show_boot_progress (5);
890 /* get os_data and os_len */
891 switch (image_get_type (hdr)) {
893 *os_data = image_get_data (hdr);
894 *os_len = image_get_data_size (hdr);
897 image_multi_getimg (hdr, 0, os_data, os_len);
899 case IH_TYPE_STANDALONE:
900 *os_data = image_get_data (hdr);
901 *os_len = image_get_data_size (hdr);
904 printf ("Wrong Image Type for %s command\n", cmdtp->name);
905 show_boot_progress (-5);
910 * copy image header to allow for image overwrites during kernel
913 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
915 /* save pointer to image header */
916 images->legacy_hdr_os = hdr;
918 images->legacy_hdr_valid = 1;
919 show_boot_progress (6);
921 #if defined(CONFIG_FIT)
922 case IMAGE_FORMAT_FIT:
923 fit_hdr = (void *)img_addr;
924 printf ("## Booting kernel from FIT Image at %08lx ...\n",
927 if (!fit_check_format (fit_hdr)) {
928 puts ("Bad FIT kernel image format!\n");
929 show_boot_progress (-100);
932 show_boot_progress (100);
934 if (!fit_uname_kernel) {
936 * no kernel image node unit name, try to get config
937 * node first. If config unit node name is NULL
938 * fit_conf_get_node() will try to find default config node
940 show_boot_progress (101);
941 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
942 if (cfg_noffset < 0) {
943 show_boot_progress (-101);
946 /* save configuration uname provided in the first
949 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
950 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
951 show_boot_progress (103);
953 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
954 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
956 /* get kernel component image node offset */
957 show_boot_progress (102);
958 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
960 if (os_noffset < 0) {
961 show_boot_progress (-103);
965 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
967 show_boot_progress (104);
968 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
971 /* get kernel image data address and length */
972 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
973 puts ("Could not find kernel subimage data!\n");
974 show_boot_progress (-107);
977 show_boot_progress (108);
980 *os_data = (ulong)data;
981 images->fit_hdr_os = fit_hdr;
982 images->fit_uname_os = fit_uname_kernel;
983 images->fit_noffset_os = os_noffset;
987 printf ("Wrong Image Format for %s command\n", cmdtp->name);
988 show_boot_progress (-108);
992 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
993 *os_data, *os_len, *os_len);
995 return (void *)img_addr;
999 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
1000 "boot application image from memory",
1001 "[addr [arg ...]]\n - boot application image stored in memory\n"
1002 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1003 "\t'arg' can be the address of an initrd image\n"
1004 #if defined(CONFIG_OF_LIBFDT)
1005 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1006 "\ta third argument is required which is the address of the\n"
1007 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1008 "\tuse a '-' for the second argument. If you do not pass a third\n"
1009 "\ta bd_info struct will be passed instead\n"
1011 #if defined(CONFIG_FIT)
1012 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1013 "\tmust be extened to include component or configuration unit name:\n"
1014 "\taddr:<subimg_uname> - direct component image specification\n"
1015 "\taddr#<conf_uname> - configuration specification\n"
1016 "\tUse iminfo command to get the list of existing component\n"
1017 "\timages and configurations.\n"
1019 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1021 "issued in the order below (it's ok to not issue all sub-commands):\n"
1022 "\tstart [addr [arg ...]]\n"
1023 "\tloados - load OS image\n"
1024 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1025 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1027 #if defined(CONFIG_OF_LIBFDT)
1028 "\tfdt - relocate flat device tree\n"
1030 "\tcmdline - OS specific command line processing/setup\n"
1031 "\tbdt - OS specific bd_t processing\n"
1032 "\tprep - OS specific prep before relocation or go\n"
1036 /*******************************************************************/
1037 /* bootd - boot default image */
1038 /*******************************************************************/
1039 #if defined(CONFIG_CMD_BOOTD)
1040 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1044 #ifndef CONFIG_SYS_HUSH_PARSER
1045 if (run_command (getenv ("bootcmd"), flag) < 0)
1048 if (parse_string_outer (getenv ("bootcmd"),
1049 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1056 boot, 1, 1, do_bootd,
1057 "boot default, i.e., run 'bootcmd'",
1061 /* keep old command name "bootd" for backward compatibility */
1063 bootd, 1, 1, do_bootd,
1064 "boot default, i.e., run 'bootcmd'",
1071 /*******************************************************************/
1072 /* iminfo - print header info for a requested image */
1073 /*******************************************************************/
1074 #if defined(CONFIG_CMD_IMI)
1075 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1082 return image_info (load_addr);
1085 for (arg = 1; arg < argc; ++arg) {
1086 addr = simple_strtoul (argv[arg], NULL, 16);
1087 if (image_info (addr) != 0)
1093 static int image_info (ulong addr)
1095 void *hdr = (void *)addr;
1097 printf ("\n## Checking Image at %08lx ...\n", addr);
1099 switch (genimg_get_format (hdr)) {
1100 case IMAGE_FORMAT_LEGACY:
1101 puts (" Legacy image found\n");
1102 if (!image_check_magic (hdr)) {
1103 puts (" Bad Magic Number\n");
1107 if (!image_check_hcrc (hdr)) {
1108 puts (" Bad Header Checksum\n");
1112 image_print_contents (hdr);
1114 puts (" Verifying Checksum ... ");
1115 if (!image_check_dcrc (hdr)) {
1116 puts (" Bad Data CRC\n");
1121 #if defined(CONFIG_FIT)
1122 case IMAGE_FORMAT_FIT:
1123 puts (" FIT image found\n");
1125 if (!fit_check_format (hdr)) {
1126 puts ("Bad FIT image format!\n");
1130 fit_print_contents (hdr);
1132 if (!fit_all_image_check_hashes (hdr)) {
1133 puts ("Bad hash in FIT image!\n");
1140 puts ("Unknown image format!\n");
1148 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1149 "print header information for application image",
1151 " - print header information for application image starting at\n"
1152 " address 'addr' in memory; this includes verification of the\n"
1153 " image contents (magic number, header and payload checksums)"
1158 /*******************************************************************/
1159 /* imls - list all images found in flash */
1160 /*******************************************************************/
1161 #if defined(CONFIG_CMD_IMLS)
1162 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1168 for (i = 0, info = &flash_info[0];
1169 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1171 if (info->flash_id == FLASH_UNKNOWN)
1173 for (j = 0; j < info->sector_count; ++j) {
1175 hdr = (void *)info->start[j];
1179 switch (genimg_get_format (hdr)) {
1180 case IMAGE_FORMAT_LEGACY:
1181 if (!image_check_hcrc (hdr))
1184 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1185 image_print_contents (hdr);
1187 puts (" Verifying Checksum ... ");
1188 if (!image_check_dcrc (hdr)) {
1189 puts ("Bad Data CRC\n");
1194 #if defined(CONFIG_FIT)
1195 case IMAGE_FORMAT_FIT:
1196 if (!fit_check_format (hdr))
1199 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1200 fit_print_contents (hdr);
1216 imls, 1, 1, do_imls,
1217 "list all images found in flash",
1219 " - Prints information about all images found at sector\n"
1220 " boundaries in flash."
1224 /*******************************************************************/
1225 /* helper routines */
1226 /*******************************************************************/
1227 #ifdef CONFIG_SILENT_CONSOLE
1228 static void fixup_silent_linux ()
1230 char buf[256], *start, *end;
1231 char *cmdline = getenv ("bootargs");
1233 /* Only fix cmdline when requested */
1234 if (!(gd->flags & GD_FLG_SILENT))
1237 debug ("before silent fix-up: %s\n", cmdline);
1239 if ((start = strstr (cmdline, "console=")) != NULL) {
1240 end = strchr (start, ' ');
1241 strncpy (buf, cmdline, (start - cmdline + 8));
1243 strcpy (buf + (start - cmdline + 8), end);
1245 buf[start - cmdline + 8] = '\0';
1247 strcpy (buf, cmdline);
1248 strcat (buf, " console=");
1251 strcpy (buf, "console=");
1254 setenv ("bootargs", buf);
1255 debug ("after silent fix-up: %s\n", buf);
1257 #endif /* CONFIG_SILENT_CONSOLE */
1260 /*******************************************************************/
1261 /* OS booting routines */
1262 /*******************************************************************/
1264 #ifdef CONFIG_BOOTM_NETBSD
1265 static int do_bootm_netbsd (int flag, int argc, char * const argv[],
1266 bootm_headers_t *images)
1268 void (*loader)(bd_t *, image_header_t *, char *, char *);
1269 image_header_t *os_hdr, *hdr;
1270 ulong kernel_data, kernel_len;
1274 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1277 #if defined(CONFIG_FIT)
1278 if (!images->legacy_hdr_valid) {
1279 fit_unsupported_reset ("NetBSD");
1283 hdr = images->legacy_hdr_os;
1286 * Booting a (NetBSD) kernel image
1288 * This process is pretty similar to a standalone application:
1289 * The (first part of an multi-) image must be a stage-2 loader,
1290 * which in turn is responsible for loading & invoking the actual
1291 * kernel. The only differences are the parameters being passed:
1292 * besides the board info strucure, the loader expects a command
1293 * line, the name of the console device, and (optionally) the
1294 * address of the original image header.
1297 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1298 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1304 #if defined (CONFIG_8xx_CONS_SMC1)
1306 #elif defined (CONFIG_8xx_CONS_SMC2)
1308 #elif defined (CONFIG_8xx_CONS_SCC2)
1310 #elif defined (CONFIG_8xx_CONS_SCC3)
1318 for (i = 2, len = 0; i < argc; i += 1)
1319 len += strlen (argv[i]) + 1;
1320 cmdline = malloc (len);
1322 for (i = 2, len = 0; i < argc; i += 1) {
1324 cmdline[len++] = ' ';
1325 strcpy (&cmdline[len], argv[i]);
1326 len += strlen (argv[i]);
1328 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1332 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1334 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1337 show_boot_progress (15);
1340 * NetBSD Stage-2 Loader Parameters:
1341 * r3: ptr to board info data
1343 * r5: console device
1344 * r6: boot args string
1346 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1350 #endif /* CONFIG_BOOTM_NETBSD*/
1352 #ifdef CONFIG_LYNXKDI
1353 static int do_bootm_lynxkdi (int flag, int argc, char * const argv[],
1354 bootm_headers_t *images)
1356 image_header_t *hdr = &images->legacy_hdr_os_copy;
1358 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1361 #if defined(CONFIG_FIT)
1362 if (!images->legacy_hdr_valid) {
1363 fit_unsupported_reset ("Lynx");
1368 lynxkdi_boot ((image_header_t *)hdr);
1372 #endif /* CONFIG_LYNXKDI */
1374 #ifdef CONFIG_BOOTM_RTEMS
1375 static int do_bootm_rtems (int flag, int argc, char * const argv[],
1376 bootm_headers_t *images)
1378 void (*entry_point)(bd_t *);
1380 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1383 #if defined(CONFIG_FIT)
1384 if (!images->legacy_hdr_valid) {
1385 fit_unsupported_reset ("RTEMS");
1390 entry_point = (void (*)(bd_t *))images->ep;
1392 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1393 (ulong)entry_point);
1395 show_boot_progress (15);
1399 * r3: ptr to board info data
1401 (*entry_point)(gd->bd);
1405 #endif /* CONFIG_BOOTM_RTEMS */
1407 #if defined(CONFIG_BOOTM_OSE)
1408 static int do_bootm_ose (int flag, int argc, char * const argv[],
1409 bootm_headers_t *images)
1411 void (*entry_point)(void);
1413 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1416 #if defined(CONFIG_FIT)
1417 if (!images->legacy_hdr_valid) {
1418 fit_unsupported_reset ("OSE");
1423 entry_point = (void (*)(void))images->ep;
1425 printf ("## Transferring control to OSE (at address %08lx) ...\n",
1426 (ulong)entry_point);
1428 show_boot_progress (15);
1438 #endif /* CONFIG_BOOTM_OSE */
1440 #if defined(CONFIG_CMD_ELF)
1441 static int do_bootm_vxworks (int flag, int argc, char * const argv[],
1442 bootm_headers_t *images)
1446 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1449 #if defined(CONFIG_FIT)
1450 if (!images->legacy_hdr_valid) {
1451 fit_unsupported_reset ("VxWorks");
1456 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1457 setenv("loadaddr", str);
1458 do_bootvx(NULL, 0, 0, NULL);
1463 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1464 bootm_headers_t *images)
1466 char *local_args[2];
1469 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1472 #if defined(CONFIG_FIT)
1473 if (!images->legacy_hdr_valid) {
1474 fit_unsupported_reset ("QNX");
1479 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1480 local_args[0] = argv[0];
1481 local_args[1] = str; /* and provide it via the arguments */
1482 do_bootelf(NULL, 0, 2, local_args);
1488 #ifdef CONFIG_INTEGRITY
1489 static int do_bootm_integrity (int flag, int argc, char * const argv[],
1490 bootm_headers_t *images)
1492 void (*entry_point)(void);
1494 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1497 #if defined(CONFIG_FIT)
1498 if (!images->legacy_hdr_valid) {
1499 fit_unsupported_reset ("INTEGRITY");
1504 entry_point = (void (*)(void))images->ep;
1506 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1507 (ulong)entry_point);
1509 show_boot_progress (15);
1512 * INTEGRITY Parameters: