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 * const 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 * const 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 * const 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 * 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_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 * const argv[]);
125 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char * const 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 * const 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 * const argv[])
444 int (*appl)(int, char * const []);
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 * const []))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 * const 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 */
496 return cmd_usage(cmdtp);
499 if (images.state >= state) {
500 printf ("Trying to execute a command out of order\n");
501 return cmd_usage(cmdtp);
504 images.state |= state;
505 boot_fn = boot_os[images.os.os];
509 case BOOTM_STATE_START:
510 /* should never occur */
512 case BOOTM_STATE_LOADOS:
513 ret = bootm_load_os(images.os, &load_end, 0);
517 lmb_reserve(&images.lmb, images.os.load,
518 (load_end - images.os.load));
520 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
521 case BOOTM_STATE_RAMDISK:
523 ulong rd_len = images.rd_end - images.rd_start;
526 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
527 rd_len, &images.initrd_start, &images.initrd_end);
531 sprintf(str, "%lx", images.initrd_start);
532 setenv("initrd_start", str);
533 sprintf(str, "%lx", images.initrd_end);
534 setenv("initrd_end", str);
538 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
539 case BOOTM_STATE_FDT:
541 ulong bootmap_base = getenv_bootm_low();
542 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
543 &images.ft_addr, &images.ft_len);
547 case BOOTM_STATE_OS_CMDLINE:
548 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
550 printf ("cmdline subcommand not supported\n");
552 case BOOTM_STATE_OS_BD_T:
553 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
555 printf ("bdt subcommand not supported\n");
557 case BOOTM_STATE_OS_PREP:
558 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
560 printf ("prep subcommand not supported\n");
562 case BOOTM_STATE_OS_GO:
563 disable_interrupts();
565 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
572 /*******************************************************************/
573 /* bootm - boot application image from image in memory */
574 /*******************************************************************/
576 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
582 #ifndef CONFIG_RELOC_FIXUP_WORKS
583 static int relocated = 0;
585 /* relocate boot function table */
588 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
589 if (boot_os[i] != NULL)
590 boot_os[i] += gd->reloc_off;
595 /* determine if we have a sub command */
599 simple_strtoul(argv[1], &endp, 16);
600 /* endp pointing to NULL means that argv[1] was just a
601 * valid number, pass it along to the normal bootm processing
603 * If endp is ':' or '#' assume a FIT identifier so pass
604 * along for normal processing.
606 * Right now we assume the first arg should never be '-'
608 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
609 return do_bootm_subcommand(cmdtp, flag, argc, argv);
612 if (bootm_start(cmdtp, flag, argc, argv))
616 * We have reached the point of no return: we are going to
617 * overwrite all exception vector code, so we cannot easily
618 * recover from any failures any more...
620 iflag = disable_interrupts();
622 #if defined(CONFIG_CMD_USB)
624 * turn off USB to prevent the host controller from writing to the
625 * SDRAM while Linux is booting. This could happen (at least for OHCI
626 * controller), because the HCCA (Host Controller Communication Area)
627 * lies within the SDRAM and the host controller writes continously to
628 * this area (as busmaster!). The HccaFrameNumber is for example
629 * updated every 1 ms within the HCCA structure in SDRAM! For more
630 * details see the OpenHCI specification.
635 ret = bootm_load_os(images.os, &load_end, 1);
638 if (ret == BOOTM_ERR_RESET)
639 do_reset (cmdtp, flag, argc, argv);
640 if (ret == BOOTM_ERR_OVERLAP) {
641 if (images.legacy_hdr_valid) {
642 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
643 puts ("WARNING: legacy format multi component "
644 "image overwritten\n");
646 puts ("ERROR: new format image overwritten - "
647 "must RESET the board to recover\n");
648 show_boot_progress (-113);
649 do_reset (cmdtp, flag, argc, argv);
652 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
655 show_boot_progress (-7);
660 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
662 if (images.os.type == IH_TYPE_STANDALONE) {
665 /* This may return when 'autostart' is 'no' */
666 bootm_start_standalone(iflag, argc, argv);
670 show_boot_progress (8);
672 #ifdef CONFIG_SILENT_CONSOLE
673 if (images.os.os == IH_OS_LINUX)
674 fixup_silent_linux();
677 boot_fn = boot_os[images.os.os];
679 if (boot_fn == NULL) {
682 printf ("ERROR: booting os '%s' (%d) is not supported\n",
683 genimg_get_os_name(images.os.os), images.os.os);
684 show_boot_progress (-8);
690 boot_fn(0, argc, argv, &images);
692 show_boot_progress (-9);
694 puts ("\n## Control returned to monitor - resetting...\n");
696 do_reset (cmdtp, flag, argc, argv);
702 * image_get_kernel - verify legacy format kernel image
703 * @img_addr: in RAM address of the legacy format image to be verified
704 * @verify: data CRC verification flag
706 * image_get_kernel() verifies legacy image integrity and returns pointer to
707 * legacy image header if image verification was completed successfully.
710 * pointer to a legacy image header if valid image was found
711 * otherwise return NULL
713 static image_header_t *image_get_kernel (ulong img_addr, int verify)
715 image_header_t *hdr = (image_header_t *)img_addr;
717 if (!image_check_magic(hdr)) {
718 puts ("Bad Magic Number\n");
719 show_boot_progress (-1);
722 show_boot_progress (2);
724 if (!image_check_hcrc (hdr)) {
725 puts ("Bad Header Checksum\n");
726 show_boot_progress (-2);
730 show_boot_progress (3);
731 image_print_contents (hdr);
734 puts (" Verifying Checksum ... ");
735 if (!image_check_dcrc (hdr)) {
736 printf ("Bad Data CRC\n");
737 show_boot_progress (-3);
742 show_boot_progress (4);
744 if (!image_check_target_arch (hdr)) {
745 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
746 show_boot_progress (-4);
753 * fit_check_kernel - verify FIT format kernel subimage
754 * @fit_hdr: pointer to the FIT image header
755 * os_noffset: kernel subimage node offset within FIT image
756 * @verify: data CRC verification flag
758 * fit_check_kernel() verifies integrity of the kernel subimage and from
759 * specified FIT image.
765 #if defined (CONFIG_FIT)
766 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
768 fit_image_print (fit, os_noffset, " ");
771 puts (" Verifying Hash Integrity ... ");
772 if (!fit_image_check_hashes (fit, os_noffset)) {
773 puts ("Bad Data Hash\n");
774 show_boot_progress (-104);
779 show_boot_progress (105);
781 if (!fit_image_check_target_arch (fit, os_noffset)) {
782 puts ("Unsupported Architecture\n");
783 show_boot_progress (-105);
787 show_boot_progress (106);
788 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
789 puts ("Not a kernel image\n");
790 show_boot_progress (-106);
794 show_boot_progress (107);
797 #endif /* CONFIG_FIT */
800 * boot_get_kernel - find kernel image
801 * @os_data: pointer to a ulong variable, will hold os data start address
802 * @os_len: pointer to a ulong variable, will hold os data length
804 * boot_get_kernel() tries to find a kernel image, verifies its integrity
805 * and locates kernel data.
808 * pointer to image header if valid image was found, plus kernel start
809 * address and length, otherwise NULL
811 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
812 bootm_headers_t *images, ulong *os_data, ulong *os_len)
816 #if defined(CONFIG_FIT)
818 const char *fit_uname_config = NULL;
819 const char *fit_uname_kernel = NULL;
826 /* find out kernel image address */
828 img_addr = load_addr;
829 debug ("* kernel: default image load address = 0x%08lx\n",
831 #if defined(CONFIG_FIT)
832 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
833 &fit_uname_config)) {
834 debug ("* kernel: config '%s' from image at 0x%08lx\n",
835 fit_uname_config, img_addr);
836 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
837 &fit_uname_kernel)) {
838 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
839 fit_uname_kernel, img_addr);
842 img_addr = simple_strtoul(argv[1], NULL, 16);
843 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
846 show_boot_progress (1);
848 /* copy from dataflash if needed */
849 img_addr = genimg_get_image (img_addr);
851 /* check image type, for FIT images get FIT kernel node */
852 *os_data = *os_len = 0;
853 switch (genimg_get_format ((void *)img_addr)) {
854 case IMAGE_FORMAT_LEGACY:
855 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
857 hdr = image_get_kernel (img_addr, images->verify);
860 show_boot_progress (5);
862 /* get os_data and os_len */
863 switch (image_get_type (hdr)) {
865 *os_data = image_get_data (hdr);
866 *os_len = image_get_data_size (hdr);
869 image_multi_getimg (hdr, 0, os_data, os_len);
871 case IH_TYPE_STANDALONE:
872 *os_data = image_get_data (hdr);
873 *os_len = image_get_data_size (hdr);
876 printf ("Wrong Image Type for %s command\n", cmdtp->name);
877 show_boot_progress (-5);
882 * copy image header to allow for image overwrites during kernel
885 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
887 /* save pointer to image header */
888 images->legacy_hdr_os = hdr;
890 images->legacy_hdr_valid = 1;
891 show_boot_progress (6);
893 #if defined(CONFIG_FIT)
894 case IMAGE_FORMAT_FIT:
895 fit_hdr = (void *)img_addr;
896 printf ("## Booting kernel from FIT Image at %08lx ...\n",
899 if (!fit_check_format (fit_hdr)) {
900 puts ("Bad FIT kernel image format!\n");
901 show_boot_progress (-100);
904 show_boot_progress (100);
906 if (!fit_uname_kernel) {
908 * no kernel image node unit name, try to get config
909 * node first. If config unit node name is NULL
910 * fit_conf_get_node() will try to find default config node
912 show_boot_progress (101);
913 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
914 if (cfg_noffset < 0) {
915 show_boot_progress (-101);
918 /* save configuration uname provided in the first
921 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
922 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
923 show_boot_progress (103);
925 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
926 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
928 /* get kernel component image node offset */
929 show_boot_progress (102);
930 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
932 if (os_noffset < 0) {
933 show_boot_progress (-103);
937 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
939 show_boot_progress (104);
940 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
943 /* get kernel image data address and length */
944 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
945 puts ("Could not find kernel subimage data!\n");
946 show_boot_progress (-107);
949 show_boot_progress (108);
952 *os_data = (ulong)data;
953 images->fit_hdr_os = fit_hdr;
954 images->fit_uname_os = fit_uname_kernel;
955 images->fit_noffset_os = os_noffset;
959 printf ("Wrong Image Format for %s command\n", cmdtp->name);
960 show_boot_progress (-108);
964 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
965 *os_data, *os_len, *os_len);
967 return (void *)img_addr;
971 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
972 "boot application image from memory",
973 "[addr [arg ...]]\n - boot application image stored in memory\n"
974 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
975 "\t'arg' can be the address of an initrd image\n"
976 #if defined(CONFIG_OF_LIBFDT)
977 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
978 "\ta third argument is required which is the address of the\n"
979 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
980 "\tuse a '-' for the second argument. If you do not pass a third\n"
981 "\ta bd_info struct will be passed instead\n"
983 #if defined(CONFIG_FIT)
984 "\t\nFor the new multi component uImage format (FIT) addresses\n"
985 "\tmust be extened to include component or configuration unit name:\n"
986 "\taddr:<subimg_uname> - direct component image specification\n"
987 "\taddr#<conf_uname> - configuration specification\n"
988 "\tUse iminfo command to get the list of existing component\n"
989 "\timages and configurations.\n"
991 "\nSub-commands to do part of the bootm sequence. The sub-commands "
993 "issued in the order below (it's ok to not issue all sub-commands):\n"
994 "\tstart [addr [arg ...]]\n"
995 "\tloados - load OS image\n"
996 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
997 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
999 #if defined(CONFIG_OF_LIBFDT)
1000 "\tfdt - relocate flat device tree\n"
1002 "\tcmdline - OS specific command line processing/setup\n"
1003 "\tbdt - OS specific bd_t processing\n"
1004 "\tprep - OS specific prep before relocation or go\n"
1008 /*******************************************************************/
1009 /* bootd - boot default image */
1010 /*******************************************************************/
1011 #if defined(CONFIG_CMD_BOOTD)
1012 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1016 #ifndef CONFIG_SYS_HUSH_PARSER
1017 if (run_command (getenv ("bootcmd"), flag) < 0)
1020 if (parse_string_outer (getenv ("bootcmd"),
1021 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1028 boot, 1, 1, do_bootd,
1029 "boot default, i.e., run 'bootcmd'",
1033 /* keep old command name "bootd" for backward compatibility */
1035 bootd, 1, 1, do_bootd,
1036 "boot default, i.e., run 'bootcmd'",
1043 /*******************************************************************/
1044 /* iminfo - print header info for a requested image */
1045 /*******************************************************************/
1046 #if defined(CONFIG_CMD_IMI)
1047 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1054 return image_info (load_addr);
1057 for (arg = 1; arg < argc; ++arg) {
1058 addr = simple_strtoul (argv[arg], NULL, 16);
1059 if (image_info (addr) != 0)
1065 static int image_info (ulong addr)
1067 void *hdr = (void *)addr;
1069 printf ("\n## Checking Image at %08lx ...\n", addr);
1071 switch (genimg_get_format (hdr)) {
1072 case IMAGE_FORMAT_LEGACY:
1073 puts (" Legacy image found\n");
1074 if (!image_check_magic (hdr)) {
1075 puts (" Bad Magic Number\n");
1079 if (!image_check_hcrc (hdr)) {
1080 puts (" Bad Header Checksum\n");
1084 image_print_contents (hdr);
1086 puts (" Verifying Checksum ... ");
1087 if (!image_check_dcrc (hdr)) {
1088 puts (" Bad Data CRC\n");
1093 #if defined(CONFIG_FIT)
1094 case IMAGE_FORMAT_FIT:
1095 puts (" FIT image found\n");
1097 if (!fit_check_format (hdr)) {
1098 puts ("Bad FIT image format!\n");
1102 fit_print_contents (hdr);
1104 if (!fit_all_image_check_hashes (hdr)) {
1105 puts ("Bad hash in FIT image!\n");
1112 puts ("Unknown image format!\n");
1120 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1121 "print header information for application image",
1123 " - print header information for application image starting at\n"
1124 " address 'addr' in memory; this includes verification of the\n"
1125 " image contents (magic number, header and payload checksums)"
1130 /*******************************************************************/
1131 /* imls - list all images found in flash */
1132 /*******************************************************************/
1133 #if defined(CONFIG_CMD_IMLS)
1134 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1140 for (i = 0, info = &flash_info[0];
1141 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1143 if (info->flash_id == FLASH_UNKNOWN)
1145 for (j = 0; j < info->sector_count; ++j) {
1147 hdr = (void *)info->start[j];
1151 switch (genimg_get_format (hdr)) {
1152 case IMAGE_FORMAT_LEGACY:
1153 if (!image_check_hcrc (hdr))
1156 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1157 image_print_contents (hdr);
1159 puts (" Verifying Checksum ... ");
1160 if (!image_check_dcrc (hdr)) {
1161 puts ("Bad Data CRC\n");
1166 #if defined(CONFIG_FIT)
1167 case IMAGE_FORMAT_FIT:
1168 if (!fit_check_format (hdr))
1171 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1172 fit_print_contents (hdr);
1188 imls, 1, 1, do_imls,
1189 "list all images found in flash",
1191 " - Prints information about all images found at sector\n"
1192 " boundaries in flash."
1196 /*******************************************************************/
1197 /* helper routines */
1198 /*******************************************************************/
1199 #ifdef CONFIG_SILENT_CONSOLE
1200 static void fixup_silent_linux ()
1202 char buf[256], *start, *end;
1203 char *cmdline = getenv ("bootargs");
1205 /* Only fix cmdline when requested */
1206 if (!(gd->flags & GD_FLG_SILENT))
1209 debug ("before silent fix-up: %s\n", cmdline);
1211 if ((start = strstr (cmdline, "console=")) != NULL) {
1212 end = strchr (start, ' ');
1213 strncpy (buf, cmdline, (start - cmdline + 8));
1215 strcpy (buf + (start - cmdline + 8), end);
1217 buf[start - cmdline + 8] = '\0';
1219 strcpy (buf, cmdline);
1220 strcat (buf, " console=");
1223 strcpy (buf, "console=");
1226 setenv ("bootargs", buf);
1227 debug ("after silent fix-up: %s\n", buf);
1229 #endif /* CONFIG_SILENT_CONSOLE */
1232 /*******************************************************************/
1233 /* OS booting routines */
1234 /*******************************************************************/
1236 #ifdef CONFIG_BOOTM_NETBSD
1237 static int do_bootm_netbsd (int flag, int argc, char * const argv[],
1238 bootm_headers_t *images)
1240 void (*loader)(bd_t *, image_header_t *, char *, char *);
1241 image_header_t *os_hdr, *hdr;
1242 ulong kernel_data, kernel_len;
1246 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1249 #if defined(CONFIG_FIT)
1250 if (!images->legacy_hdr_valid) {
1251 fit_unsupported_reset ("NetBSD");
1255 hdr = images->legacy_hdr_os;
1258 * Booting a (NetBSD) kernel image
1260 * This process is pretty similar to a standalone application:
1261 * The (first part of an multi-) image must be a stage-2 loader,
1262 * which in turn is responsible for loading & invoking the actual
1263 * kernel. The only differences are the parameters being passed:
1264 * besides the board info strucure, the loader expects a command
1265 * line, the name of the console device, and (optionally) the
1266 * address of the original image header.
1269 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1270 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1276 #if defined (CONFIG_8xx_CONS_SMC1)
1278 #elif defined (CONFIG_8xx_CONS_SMC2)
1280 #elif defined (CONFIG_8xx_CONS_SCC2)
1282 #elif defined (CONFIG_8xx_CONS_SCC3)
1290 for (i = 2, len = 0; i < argc; i += 1)
1291 len += strlen (argv[i]) + 1;
1292 cmdline = malloc (len);
1294 for (i = 2, len = 0; i < argc; i += 1) {
1296 cmdline[len++] = ' ';
1297 strcpy (&cmdline[len], argv[i]);
1298 len += strlen (argv[i]);
1300 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1304 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1306 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1309 show_boot_progress (15);
1312 * NetBSD Stage-2 Loader Parameters:
1313 * r3: ptr to board info data
1315 * r5: console device
1316 * r6: boot args string
1318 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1322 #endif /* CONFIG_BOOTM_NETBSD*/
1324 #ifdef CONFIG_LYNXKDI
1325 static int do_bootm_lynxkdi (int flag, int argc, char * const argv[],
1326 bootm_headers_t *images)
1328 image_header_t *hdr = &images->legacy_hdr_os_copy;
1330 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1333 #if defined(CONFIG_FIT)
1334 if (!images->legacy_hdr_valid) {
1335 fit_unsupported_reset ("Lynx");
1340 lynxkdi_boot ((image_header_t *)hdr);
1344 #endif /* CONFIG_LYNXKDI */
1346 #ifdef CONFIG_BOOTM_RTEMS
1347 static int do_bootm_rtems (int flag, int argc, char * const argv[],
1348 bootm_headers_t *images)
1350 void (*entry_point)(bd_t *);
1352 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1355 #if defined(CONFIG_FIT)
1356 if (!images->legacy_hdr_valid) {
1357 fit_unsupported_reset ("RTEMS");
1362 entry_point = (void (*)(bd_t *))images->ep;
1364 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1365 (ulong)entry_point);
1367 show_boot_progress (15);
1371 * r3: ptr to board info data
1373 (*entry_point)(gd->bd);
1377 #endif /* CONFIG_BOOTM_RTEMS */
1379 #if defined(CONFIG_CMD_ELF)
1380 static int do_bootm_vxworks (int flag, int argc, char * const argv[],
1381 bootm_headers_t *images)
1385 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1388 #if defined(CONFIG_FIT)
1389 if (!images->legacy_hdr_valid) {
1390 fit_unsupported_reset ("VxWorks");
1395 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1396 setenv("loadaddr", str);
1397 do_bootvx(NULL, 0, 0, NULL);
1402 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1403 bootm_headers_t *images)
1405 char *local_args[2];
1408 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1411 #if defined(CONFIG_FIT)
1412 if (!images->legacy_hdr_valid) {
1413 fit_unsupported_reset ("QNX");
1418 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1419 local_args[0] = argv[0];
1420 local_args[1] = str; /* and provide it via the arguments */
1421 do_bootelf(NULL, 0, 2, local_args);
1427 #ifdef CONFIG_INTEGRITY
1428 static int do_bootm_integrity (int flag, int argc, char * const argv[],
1429 bootm_headers_t *images)
1431 void (*entry_point)(void);
1433 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1436 #if defined(CONFIG_FIT)
1437 if (!images->legacy_hdr_valid) {
1438 fit_unsupported_reset ("INTEGRITY");
1443 entry_point = (void (*)(void))images->ep;
1445 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1446 (ulong)entry_point);
1448 show_boot_progress (15);
1451 * INTEGRITY Parameters: