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);
96 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
99 * Continue booting an OS image; caller already has:
100 * - copied image header to global variable `header'
101 * - checked header magic number, checksums (both header & image),
102 * - verified image architecture (PPC) and type (KERNEL or MULTI),
103 * - loaded (first part of) image to header load address,
104 * - disabled interrupts.
106 typedef int boot_os_fn (int flag, int argc, char * const argv[],
107 bootm_headers_t *images); /* pointers to os/initrd/fdt */
109 #ifdef CONFIG_BOOTM_LINUX
110 extern boot_os_fn do_bootm_linux;
112 #ifdef CONFIG_BOOTM_NETBSD
113 static boot_os_fn do_bootm_netbsd;
115 #if defined(CONFIG_LYNXKDI)
116 static boot_os_fn do_bootm_lynxkdi;
117 extern void lynxkdi_boot (image_header_t *);
119 #ifdef CONFIG_BOOTM_RTEMS
120 static boot_os_fn do_bootm_rtems;
122 #if defined(CONFIG_CMD_ELF)
123 static boot_os_fn do_bootm_vxworks;
124 static boot_os_fn do_bootm_qnxelf;
125 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
126 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
128 #if defined(CONFIG_INTEGRITY)
129 static boot_os_fn do_bootm_integrity;
132 static boot_os_fn *boot_os[] = {
133 #ifdef CONFIG_BOOTM_LINUX
134 [IH_OS_LINUX] = do_bootm_linux,
136 #ifdef CONFIG_BOOTM_NETBSD
137 [IH_OS_NETBSD] = do_bootm_netbsd,
139 #ifdef CONFIG_LYNXKDI
140 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
142 #ifdef CONFIG_BOOTM_RTEMS
143 [IH_OS_RTEMS] = do_bootm_rtems,
145 #if defined(CONFIG_CMD_ELF)
146 [IH_OS_VXWORKS] = do_bootm_vxworks,
147 [IH_OS_QNX] = do_bootm_qnxelf,
149 #ifdef CONFIG_INTEGRITY
150 [IH_OS_INTEGRITY] = do_bootm_integrity,
154 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
155 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
157 /* Allow for arch specific config before we boot */
158 void __arch_preboot_os(void)
160 /* please define platform specific arch_preboot_os() */
162 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
165 #define IH_INITRD_ARCH IH_ARCH_ARM
166 #elif defined(__avr32__)
167 #define IH_INITRD_ARCH IH_ARCH_AVR32
168 #elif defined(__bfin__)
169 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
170 #elif defined(__I386__)
171 #define IH_INITRD_ARCH IH_ARCH_I386
172 #elif defined(__M68K__)
173 #define IH_INITRD_ARCH IH_ARCH_M68K
174 #elif defined(__microblaze__)
175 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
176 #elif defined(__mips__)
177 #define IH_INITRD_ARCH IH_ARCH_MIPS
178 #elif defined(__nios2__)
179 #define IH_INITRD_ARCH IH_ARCH_NIOS2
180 #elif defined(__PPC__)
181 #define IH_INITRD_ARCH IH_ARCH_PPC
182 #elif defined(__sh__)
183 #define IH_INITRD_ARCH IH_ARCH_SH
184 #elif defined(__sparc__)
185 #define IH_INITRD_ARCH IH_ARCH_SPARC
187 # error Unknown CPU type
190 static void bootm_start_lmb(void)
194 phys_size_t mem_size;
196 lmb_init(&images.lmb);
198 mem_start = getenv_bootm_low();
199 mem_size = getenv_bootm_size();
201 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
203 arch_lmb_reserve(&images.lmb);
204 board_lmb_reserve(&images.lmb);
206 # define lmb_reserve(lmb, base, size)
210 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
215 memset ((void *)&images, 0, sizeof (images));
216 images.verify = getenv_yesno ("verify");
220 /* get kernel image header, start address and length */
221 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
222 &images, &images.os.image_start, &images.os.image_len);
223 if (images.os.image_len == 0) {
224 puts ("ERROR: can't get kernel image!\n");
228 /* get image parameters */
229 switch (genimg_get_format (os_hdr)) {
230 case IMAGE_FORMAT_LEGACY:
231 images.os.type = image_get_type (os_hdr);
232 images.os.comp = image_get_comp (os_hdr);
233 images.os.os = image_get_os (os_hdr);
235 images.os.end = image_get_image_end (os_hdr);
236 images.os.load = image_get_load (os_hdr);
238 #if defined(CONFIG_FIT)
239 case IMAGE_FORMAT_FIT:
240 if (fit_image_get_type (images.fit_hdr_os,
241 images.fit_noffset_os, &images.os.type)) {
242 puts ("Can't get image type!\n");
243 show_boot_progress (-109);
247 if (fit_image_get_comp (images.fit_hdr_os,
248 images.fit_noffset_os, &images.os.comp)) {
249 puts ("Can't get image compression!\n");
250 show_boot_progress (-110);
254 if (fit_image_get_os (images.fit_hdr_os,
255 images.fit_noffset_os, &images.os.os)) {
256 puts ("Can't get image OS!\n");
257 show_boot_progress (-111);
261 images.os.end = fit_get_end (images.fit_hdr_os);
263 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
265 puts ("Can't get image load address!\n");
266 show_boot_progress (-112);
272 puts ("ERROR: unknown image format type!\n");
276 /* find kernel entry point */
277 if (images.legacy_hdr_valid) {
278 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
279 #if defined(CONFIG_FIT)
280 } else if (images.fit_uname_os) {
281 ret = fit_image_get_entry (images.fit_hdr_os,
282 images.fit_noffset_os, &images.ep);
284 puts ("Can't get entry point property!\n");
289 puts ("Could not find kernel entry point!\n");
293 if (((images.os.type == IH_TYPE_KERNEL) ||
294 (images.os.type == IH_TYPE_MULTI)) &&
295 (images.os.os == IH_OS_LINUX)) {
297 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
298 &images.rd_start, &images.rd_end);
300 puts ("Ramdisk image is corrupt or invalid\n");
304 #if defined(CONFIG_OF_LIBFDT)
305 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
306 /* find flattened device tree */
307 ret = boot_get_fdt (flag, argc, argv, &images,
308 &images.ft_addr, &images.ft_len);
310 puts ("Could not find a valid device tree\n");
314 set_working_fdt_addr(images.ft_addr);
319 images.os.start = (ulong)os_hdr;
320 images.state = BOOTM_STATE_START;
325 #define BOOTM_ERR_RESET -1
326 #define BOOTM_ERR_OVERLAP -2
327 #define BOOTM_ERR_UNIMPLEMENTED -3
328 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
330 uint8_t comp = os.comp;
331 ulong load = os.load;
332 ulong blob_start = os.start;
333 ulong blob_end = os.end;
334 ulong image_start = os.image_start;
335 ulong image_len = os.image_len;
336 uint unc_len = CONFIG_SYS_BOOTM_LEN;
337 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
339 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
341 const char *type_name = genimg_get_type_name (os.type);
345 if (load == blob_start) {
346 printf (" XIP %s ... ", type_name);
348 printf (" Loading %s ... ", type_name);
349 memmove_wd ((void *)load, (void *)image_start,
352 *load_end = load + image_len;
357 printf (" Uncompressing %s ... ", type_name);
358 if (gunzip ((void *)load, unc_len,
359 (uchar *)image_start, &image_len) != 0) {
360 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
361 "- must RESET board to recover\n");
363 show_boot_progress (-6);
364 return BOOTM_ERR_RESET;
367 *load_end = load + image_len;
369 #endif /* CONFIG_GZIP */
372 printf (" Uncompressing %s ... ", type_name);
374 * If we've got less than 4 MB of malloc() space,
375 * use slower decompression algorithm which requires
376 * at most 2300 KB of memory.
378 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
379 &unc_len, (char *)image_start, image_len,
380 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
382 printf ("BUNZIP2: uncompress or overwrite error %d "
383 "- must RESET board to recover\n", i);
385 show_boot_progress (-6);
386 return BOOTM_ERR_RESET;
389 *load_end = load + unc_len;
391 #endif /* CONFIG_BZIP2 */
394 SizeT lzma_len = unc_len;
395 printf (" Uncompressing %s ... ", type_name);
397 ret = lzmaBuffToBuffDecompress(
398 (unsigned char *)load, &lzma_len,
399 (unsigned char *)image_start, image_len);
402 printf ("LZMA: uncompress or overwrite error %d "
403 "- must RESET board to recover\n", ret);
404 show_boot_progress (-6);
405 return BOOTM_ERR_RESET;
407 *load_end = load + unc_len;
410 #endif /* CONFIG_LZMA */
413 printf (" Uncompressing %s ... ", type_name);
415 ret = lzop_decompress((const unsigned char *)image_start,
416 image_len, (unsigned char *)load,
418 if (ret != LZO_E_OK) {
419 printf ("LZO: uncompress or overwrite error %d "
420 "- must RESET board to recover\n", ret);
422 show_boot_progress (-6);
423 return BOOTM_ERR_RESET;
426 *load_end = load + unc_len;
428 #endif /* CONFIG_LZO */
430 printf ("Unimplemented compression type %d\n", comp);
431 return BOOTM_ERR_UNIMPLEMENTED;
434 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
436 show_boot_progress (7);
438 if ((load < blob_end) && (*load_end > blob_start)) {
439 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
440 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
442 return BOOTM_ERR_OVERLAP;
448 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
451 int (*appl)(int, char * const []);
453 /* Don't start if "autostart" is set to "no" */
454 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
456 sprintf(buf, "%lX", images.os.image_len);
457 setenv("filesize", buf);
460 appl = (int (*)(int, char * const []))ntohl(images.ep);
461 (*appl)(argc-1, &argv[1]);
466 /* we overload the cmd field with our state machine info instead of a
467 * function pointer */
468 static cmd_tbl_t cmd_bootm_sub[] = {
469 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
470 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
471 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
472 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
474 #ifdef CONFIG_OF_LIBFDT
475 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
477 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
478 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
479 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
480 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
483 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
490 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
495 /* treat start special since it resets the state machine */
496 if (state == BOOTM_STATE_START) {
499 return bootm_start(cmdtp, flag, argc, argv);
502 /* Unrecognized command */
503 return cmd_usage(cmdtp);
506 if (images.state >= state) {
507 printf ("Trying to execute a command out of order\n");
508 return cmd_usage(cmdtp);
511 images.state |= state;
512 boot_fn = boot_os[images.os.os];
516 case BOOTM_STATE_START:
517 /* should never occur */
519 case BOOTM_STATE_LOADOS:
520 ret = bootm_load_os(images.os, &load_end, 0);
524 lmb_reserve(&images.lmb, images.os.load,
525 (load_end - images.os.load));
527 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
528 case BOOTM_STATE_RAMDISK:
530 ulong rd_len = images.rd_end - images.rd_start;
533 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
534 rd_len, &images.initrd_start, &images.initrd_end);
538 sprintf(str, "%lx", images.initrd_start);
539 setenv("initrd_start", str);
540 sprintf(str, "%lx", images.initrd_end);
541 setenv("initrd_end", str);
545 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
546 case BOOTM_STATE_FDT:
548 ulong bootmap_base = getenv_bootm_low();
549 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
550 &images.ft_addr, &images.ft_len);
554 case BOOTM_STATE_OS_CMDLINE:
555 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
557 printf ("cmdline subcommand not supported\n");
559 case BOOTM_STATE_OS_BD_T:
560 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
562 printf ("bdt subcommand not supported\n");
564 case BOOTM_STATE_OS_PREP:
565 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
567 printf ("prep subcommand not supported\n");
569 case BOOTM_STATE_OS_GO:
570 disable_interrupts();
572 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
579 /*******************************************************************/
580 /* bootm - boot application image from image in memory */
581 /*******************************************************************/
583 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
589 #ifndef CONFIG_RELOC_FIXUP_WORKS
590 static int relocated = 0;
592 /* relocate boot function table */
595 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
596 if (boot_os[i] != NULL)
597 boot_os[i] += gd->reloc_off;
602 /* determine if we have a sub command */
606 simple_strtoul(argv[1], &endp, 16);
607 /* endp pointing to NULL means that argv[1] was just a
608 * valid number, pass it along to the normal bootm processing
610 * If endp is ':' or '#' assume a FIT identifier so pass
611 * along for normal processing.
613 * Right now we assume the first arg should never be '-'
615 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
616 return do_bootm_subcommand(cmdtp, flag, argc, argv);
619 if (bootm_start(cmdtp, flag, argc, argv))
623 * We have reached the point of no return: we are going to
624 * overwrite all exception vector code, so we cannot easily
625 * recover from any failures any more...
627 iflag = disable_interrupts();
629 #if defined(CONFIG_CMD_USB)
631 * turn off USB to prevent the host controller from writing to the
632 * SDRAM while Linux is booting. This could happen (at least for OHCI
633 * controller), because the HCCA (Host Controller Communication Area)
634 * lies within the SDRAM and the host controller writes continously to
635 * this area (as busmaster!). The HccaFrameNumber is for example
636 * updated every 1 ms within the HCCA structure in SDRAM! For more
637 * details see the OpenHCI specification.
642 ret = bootm_load_os(images.os, &load_end, 1);
645 if (ret == BOOTM_ERR_RESET)
646 do_reset (cmdtp, flag, argc, argv);
647 if (ret == BOOTM_ERR_OVERLAP) {
648 if (images.legacy_hdr_valid) {
649 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
650 puts ("WARNING: legacy format multi component "
651 "image overwritten\n");
653 puts ("ERROR: new format image overwritten - "
654 "must RESET the board to recover\n");
655 show_boot_progress (-113);
656 do_reset (cmdtp, flag, argc, argv);
659 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
662 show_boot_progress (-7);
667 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
669 if (images.os.type == IH_TYPE_STANDALONE) {
672 /* This may return when 'autostart' is 'no' */
673 bootm_start_standalone(iflag, argc, argv);
677 show_boot_progress (8);
679 #ifdef CONFIG_SILENT_CONSOLE
680 if (images.os.os == IH_OS_LINUX)
681 fixup_silent_linux();
684 boot_fn = boot_os[images.os.os];
686 if (boot_fn == NULL) {
689 printf ("ERROR: booting os '%s' (%d) is not supported\n",
690 genimg_get_os_name(images.os.os), images.os.os);
691 show_boot_progress (-8);
697 boot_fn(0, argc, argv, &images);
699 show_boot_progress (-9);
701 puts ("\n## Control returned to monitor - resetting...\n");
703 do_reset (cmdtp, flag, argc, argv);
709 * image_get_kernel - verify legacy format kernel image
710 * @img_addr: in RAM address of the legacy format image to be verified
711 * @verify: data CRC verification flag
713 * image_get_kernel() verifies legacy image integrity and returns pointer to
714 * legacy image header if image verification was completed successfully.
717 * pointer to a legacy image header if valid image was found
718 * otherwise return NULL
720 static image_header_t *image_get_kernel (ulong img_addr, int verify)
722 image_header_t *hdr = (image_header_t *)img_addr;
724 if (!image_check_magic(hdr)) {
725 puts ("Bad Magic Number\n");
726 show_boot_progress (-1);
729 show_boot_progress (2);
731 if (!image_check_hcrc (hdr)) {
732 puts ("Bad Header Checksum\n");
733 show_boot_progress (-2);
737 show_boot_progress (3);
738 image_print_contents (hdr);
741 puts (" Verifying Checksum ... ");
742 if (!image_check_dcrc (hdr)) {
743 printf ("Bad Data CRC\n");
744 show_boot_progress (-3);
749 show_boot_progress (4);
751 if (!image_check_target_arch (hdr)) {
752 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
753 show_boot_progress (-4);
760 * fit_check_kernel - verify FIT format kernel subimage
761 * @fit_hdr: pointer to the FIT image header
762 * os_noffset: kernel subimage node offset within FIT image
763 * @verify: data CRC verification flag
765 * fit_check_kernel() verifies integrity of the kernel subimage and from
766 * specified FIT image.
772 #if defined (CONFIG_FIT)
773 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
775 fit_image_print (fit, os_noffset, " ");
778 puts (" Verifying Hash Integrity ... ");
779 if (!fit_image_check_hashes (fit, os_noffset)) {
780 puts ("Bad Data Hash\n");
781 show_boot_progress (-104);
786 show_boot_progress (105);
788 if (!fit_image_check_target_arch (fit, os_noffset)) {
789 puts ("Unsupported Architecture\n");
790 show_boot_progress (-105);
794 show_boot_progress (106);
795 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
796 puts ("Not a kernel image\n");
797 show_boot_progress (-106);
801 show_boot_progress (107);
804 #endif /* CONFIG_FIT */
807 * boot_get_kernel - find kernel image
808 * @os_data: pointer to a ulong variable, will hold os data start address
809 * @os_len: pointer to a ulong variable, will hold os data length
811 * boot_get_kernel() tries to find a kernel image, verifies its integrity
812 * and locates kernel data.
815 * pointer to image header if valid image was found, plus kernel start
816 * address and length, otherwise NULL
818 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
819 bootm_headers_t *images, ulong *os_data, ulong *os_len)
823 #if defined(CONFIG_FIT)
825 const char *fit_uname_config = NULL;
826 const char *fit_uname_kernel = NULL;
833 /* find out kernel image address */
835 img_addr = load_addr;
836 debug ("* kernel: default image load address = 0x%08lx\n",
838 #if defined(CONFIG_FIT)
839 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
840 &fit_uname_config)) {
841 debug ("* kernel: config '%s' from image at 0x%08lx\n",
842 fit_uname_config, img_addr);
843 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
844 &fit_uname_kernel)) {
845 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
846 fit_uname_kernel, img_addr);
849 img_addr = simple_strtoul(argv[1], NULL, 16);
850 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
853 show_boot_progress (1);
855 /* copy from dataflash if needed */
856 img_addr = genimg_get_image (img_addr);
858 /* check image type, for FIT images get FIT kernel node */
859 *os_data = *os_len = 0;
860 switch (genimg_get_format ((void *)img_addr)) {
861 case IMAGE_FORMAT_LEGACY:
862 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
864 hdr = image_get_kernel (img_addr, images->verify);
867 show_boot_progress (5);
869 /* get os_data and os_len */
870 switch (image_get_type (hdr)) {
872 *os_data = image_get_data (hdr);
873 *os_len = image_get_data_size (hdr);
876 image_multi_getimg (hdr, 0, os_data, os_len);
878 case IH_TYPE_STANDALONE:
879 *os_data = image_get_data (hdr);
880 *os_len = image_get_data_size (hdr);
883 printf ("Wrong Image Type for %s command\n", cmdtp->name);
884 show_boot_progress (-5);
889 * copy image header to allow for image overwrites during kernel
892 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
894 /* save pointer to image header */
895 images->legacy_hdr_os = hdr;
897 images->legacy_hdr_valid = 1;
898 show_boot_progress (6);
900 #if defined(CONFIG_FIT)
901 case IMAGE_FORMAT_FIT:
902 fit_hdr = (void *)img_addr;
903 printf ("## Booting kernel from FIT Image at %08lx ...\n",
906 if (!fit_check_format (fit_hdr)) {
907 puts ("Bad FIT kernel image format!\n");
908 show_boot_progress (-100);
911 show_boot_progress (100);
913 if (!fit_uname_kernel) {
915 * no kernel image node unit name, try to get config
916 * node first. If config unit node name is NULL
917 * fit_conf_get_node() will try to find default config node
919 show_boot_progress (101);
920 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
921 if (cfg_noffset < 0) {
922 show_boot_progress (-101);
925 /* save configuration uname provided in the first
928 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
929 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
930 show_boot_progress (103);
932 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
933 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
935 /* get kernel component image node offset */
936 show_boot_progress (102);
937 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
939 if (os_noffset < 0) {
940 show_boot_progress (-103);
944 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
946 show_boot_progress (104);
947 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
950 /* get kernel image data address and length */
951 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
952 puts ("Could not find kernel subimage data!\n");
953 show_boot_progress (-107);
956 show_boot_progress (108);
959 *os_data = (ulong)data;
960 images->fit_hdr_os = fit_hdr;
961 images->fit_uname_os = fit_uname_kernel;
962 images->fit_noffset_os = os_noffset;
966 printf ("Wrong Image Format for %s command\n", cmdtp->name);
967 show_boot_progress (-108);
971 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
972 *os_data, *os_len, *os_len);
974 return (void *)img_addr;
978 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
979 "boot application image from memory",
980 "[addr [arg ...]]\n - boot application image stored in memory\n"
981 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
982 "\t'arg' can be the address of an initrd image\n"
983 #if defined(CONFIG_OF_LIBFDT)
984 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
985 "\ta third argument is required which is the address of the\n"
986 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
987 "\tuse a '-' for the second argument. If you do not pass a third\n"
988 "\ta bd_info struct will be passed instead\n"
990 #if defined(CONFIG_FIT)
991 "\t\nFor the new multi component uImage format (FIT) addresses\n"
992 "\tmust be extened to include component or configuration unit name:\n"
993 "\taddr:<subimg_uname> - direct component image specification\n"
994 "\taddr#<conf_uname> - configuration specification\n"
995 "\tUse iminfo command to get the list of existing component\n"
996 "\timages and configurations.\n"
998 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1000 "issued in the order below (it's ok to not issue all sub-commands):\n"
1001 "\tstart [addr [arg ...]]\n"
1002 "\tloados - load OS image\n"
1003 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1004 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1006 #if defined(CONFIG_OF_LIBFDT)
1007 "\tfdt - relocate flat device tree\n"
1009 "\tcmdline - OS specific command line processing/setup\n"
1010 "\tbdt - OS specific bd_t processing\n"
1011 "\tprep - OS specific prep before relocation or go\n"
1015 /*******************************************************************/
1016 /* bootd - boot default image */
1017 /*******************************************************************/
1018 #if defined(CONFIG_CMD_BOOTD)
1019 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1023 #ifndef CONFIG_SYS_HUSH_PARSER
1024 if (run_command (getenv ("bootcmd"), flag) < 0)
1027 if (parse_string_outer (getenv ("bootcmd"),
1028 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1035 boot, 1, 1, do_bootd,
1036 "boot default, i.e., run 'bootcmd'",
1040 /* keep old command name "bootd" for backward compatibility */
1042 bootd, 1, 1, do_bootd,
1043 "boot default, i.e., run 'bootcmd'",
1050 /*******************************************************************/
1051 /* iminfo - print header info for a requested image */
1052 /*******************************************************************/
1053 #if defined(CONFIG_CMD_IMI)
1054 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1061 return image_info (load_addr);
1064 for (arg = 1; arg < argc; ++arg) {
1065 addr = simple_strtoul (argv[arg], NULL, 16);
1066 if (image_info (addr) != 0)
1072 static int image_info (ulong addr)
1074 void *hdr = (void *)addr;
1076 printf ("\n## Checking Image at %08lx ...\n", addr);
1078 switch (genimg_get_format (hdr)) {
1079 case IMAGE_FORMAT_LEGACY:
1080 puts (" Legacy image found\n");
1081 if (!image_check_magic (hdr)) {
1082 puts (" Bad Magic Number\n");
1086 if (!image_check_hcrc (hdr)) {
1087 puts (" Bad Header Checksum\n");
1091 image_print_contents (hdr);
1093 puts (" Verifying Checksum ... ");
1094 if (!image_check_dcrc (hdr)) {
1095 puts (" Bad Data CRC\n");
1100 #if defined(CONFIG_FIT)
1101 case IMAGE_FORMAT_FIT:
1102 puts (" FIT image found\n");
1104 if (!fit_check_format (hdr)) {
1105 puts ("Bad FIT image format!\n");
1109 fit_print_contents (hdr);
1111 if (!fit_all_image_check_hashes (hdr)) {
1112 puts ("Bad hash in FIT image!\n");
1119 puts ("Unknown image format!\n");
1127 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1128 "print header information for application image",
1130 " - print header information for application image starting at\n"
1131 " address 'addr' in memory; this includes verification of the\n"
1132 " image contents (magic number, header and payload checksums)"
1137 /*******************************************************************/
1138 /* imls - list all images found in flash */
1139 /*******************************************************************/
1140 #if defined(CONFIG_CMD_IMLS)
1141 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1147 for (i = 0, info = &flash_info[0];
1148 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1150 if (info->flash_id == FLASH_UNKNOWN)
1152 for (j = 0; j < info->sector_count; ++j) {
1154 hdr = (void *)info->start[j];
1158 switch (genimg_get_format (hdr)) {
1159 case IMAGE_FORMAT_LEGACY:
1160 if (!image_check_hcrc (hdr))
1163 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1164 image_print_contents (hdr);
1166 puts (" Verifying Checksum ... ");
1167 if (!image_check_dcrc (hdr)) {
1168 puts ("Bad Data CRC\n");
1173 #if defined(CONFIG_FIT)
1174 case IMAGE_FORMAT_FIT:
1175 if (!fit_check_format (hdr))
1178 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1179 fit_print_contents (hdr);
1195 imls, 1, 1, do_imls,
1196 "list all images found in flash",
1198 " - Prints information about all images found at sector\n"
1199 " boundaries in flash."
1203 /*******************************************************************/
1204 /* helper routines */
1205 /*******************************************************************/
1206 #ifdef CONFIG_SILENT_CONSOLE
1207 static void fixup_silent_linux ()
1209 char buf[256], *start, *end;
1210 char *cmdline = getenv ("bootargs");
1212 /* Only fix cmdline when requested */
1213 if (!(gd->flags & GD_FLG_SILENT))
1216 debug ("before silent fix-up: %s\n", cmdline);
1218 if ((start = strstr (cmdline, "console=")) != NULL) {
1219 end = strchr (start, ' ');
1220 strncpy (buf, cmdline, (start - cmdline + 8));
1222 strcpy (buf + (start - cmdline + 8), end);
1224 buf[start - cmdline + 8] = '\0';
1226 strcpy (buf, cmdline);
1227 strcat (buf, " console=");
1230 strcpy (buf, "console=");
1233 setenv ("bootargs", buf);
1234 debug ("after silent fix-up: %s\n", buf);
1236 #endif /* CONFIG_SILENT_CONSOLE */
1239 /*******************************************************************/
1240 /* OS booting routines */
1241 /*******************************************************************/
1243 #ifdef CONFIG_BOOTM_NETBSD
1244 static int do_bootm_netbsd (int flag, int argc, char * const argv[],
1245 bootm_headers_t *images)
1247 void (*loader)(bd_t *, image_header_t *, char *, char *);
1248 image_header_t *os_hdr, *hdr;
1249 ulong kernel_data, kernel_len;
1253 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1256 #if defined(CONFIG_FIT)
1257 if (!images->legacy_hdr_valid) {
1258 fit_unsupported_reset ("NetBSD");
1262 hdr = images->legacy_hdr_os;
1265 * Booting a (NetBSD) kernel image
1267 * This process is pretty similar to a standalone application:
1268 * The (first part of an multi-) image must be a stage-2 loader,
1269 * which in turn is responsible for loading & invoking the actual
1270 * kernel. The only differences are the parameters being passed:
1271 * besides the board info strucure, the loader expects a command
1272 * line, the name of the console device, and (optionally) the
1273 * address of the original image header.
1276 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1277 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1283 #if defined (CONFIG_8xx_CONS_SMC1)
1285 #elif defined (CONFIG_8xx_CONS_SMC2)
1287 #elif defined (CONFIG_8xx_CONS_SCC2)
1289 #elif defined (CONFIG_8xx_CONS_SCC3)
1297 for (i = 2, len = 0; i < argc; i += 1)
1298 len += strlen (argv[i]) + 1;
1299 cmdline = malloc (len);
1301 for (i = 2, len = 0; i < argc; i += 1) {
1303 cmdline[len++] = ' ';
1304 strcpy (&cmdline[len], argv[i]);
1305 len += strlen (argv[i]);
1307 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1311 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1313 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1316 show_boot_progress (15);
1319 * NetBSD Stage-2 Loader Parameters:
1320 * r3: ptr to board info data
1322 * r5: console device
1323 * r6: boot args string
1325 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1329 #endif /* CONFIG_BOOTM_NETBSD*/
1331 #ifdef CONFIG_LYNXKDI
1332 static int do_bootm_lynxkdi (int flag, int argc, char * const argv[],
1333 bootm_headers_t *images)
1335 image_header_t *hdr = &images->legacy_hdr_os_copy;
1337 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1340 #if defined(CONFIG_FIT)
1341 if (!images->legacy_hdr_valid) {
1342 fit_unsupported_reset ("Lynx");
1347 lynxkdi_boot ((image_header_t *)hdr);
1351 #endif /* CONFIG_LYNXKDI */
1353 #ifdef CONFIG_BOOTM_RTEMS
1354 static int do_bootm_rtems (int flag, int argc, char * const argv[],
1355 bootm_headers_t *images)
1357 void (*entry_point)(bd_t *);
1359 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1362 #if defined(CONFIG_FIT)
1363 if (!images->legacy_hdr_valid) {
1364 fit_unsupported_reset ("RTEMS");
1369 entry_point = (void (*)(bd_t *))images->ep;
1371 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1372 (ulong)entry_point);
1374 show_boot_progress (15);
1378 * r3: ptr to board info data
1380 (*entry_point)(gd->bd);
1384 #endif /* CONFIG_BOOTM_RTEMS */
1386 #if defined(CONFIG_CMD_ELF)
1387 static int do_bootm_vxworks (int flag, int argc, char * const argv[],
1388 bootm_headers_t *images)
1392 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1395 #if defined(CONFIG_FIT)
1396 if (!images->legacy_hdr_valid) {
1397 fit_unsupported_reset ("VxWorks");
1402 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1403 setenv("loadaddr", str);
1404 do_bootvx(NULL, 0, 0, NULL);
1409 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1410 bootm_headers_t *images)
1412 char *local_args[2];
1415 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1418 #if defined(CONFIG_FIT)
1419 if (!images->legacy_hdr_valid) {
1420 fit_unsupported_reset ("QNX");
1425 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1426 local_args[0] = argv[0];
1427 local_args[1] = str; /* and provide it via the arguments */
1428 do_bootelf(NULL, 0, 2, local_args);
1434 #ifdef CONFIG_INTEGRITY
1435 static int do_bootm_integrity (int flag, int argc, char * const argv[],
1436 bootm_headers_t *images)
1438 void (*entry_point)(void);
1440 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1443 #if defined(CONFIG_FIT)
1444 if (!images->legacy_hdr_valid) {
1445 fit_unsupported_reset ("INTEGRITY");
1450 entry_point = (void (*)(void))images->ep;
1452 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1453 (ulong)entry_point);
1455 show_boot_progress (15);
1458 * INTEGRITY Parameters: