2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <u-boot/zlib.h>
35 #include <environment.h>
37 #include <linux/ctype.h>
38 #include <asm/byteorder.h>
40 #if defined(CONFIG_CMD_USB)
44 #ifdef CONFIG_SYS_HUSH_PARSER
48 #if defined(CONFIG_OF_LIBFDT)
51 #include <fdt_support.h>
55 #include <lzma/LzmaTypes.h>
56 #include <lzma/LzmaDec.h>
57 #include <lzma/LzmaTools.h>
58 #endif /* CONFIG_LZMA */
61 #include <linux/lzo.h>
62 #endif /* CONFIG_LZO */
64 DECLARE_GLOBAL_DATA_PTR;
66 #ifndef CONFIG_SYS_BOOTM_LEN
67 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
71 extern void bz_internal_error(int);
74 #if defined(CONFIG_CMD_IMI)
75 static int image_info (unsigned long addr);
78 #if defined(CONFIG_CMD_IMLS)
80 extern flash_info_t flash_info[]; /* info for FLASH chips */
81 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
84 #ifdef CONFIG_SILENT_CONSOLE
85 static void fixup_silent_linux (void);
88 static image_header_t *image_get_kernel (ulong img_addr, int verify);
89 #if defined(CONFIG_FIT)
90 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
93 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
94 bootm_headers_t *images, ulong *os_data, ulong *os_len);
95 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
98 * Continue booting an OS image; caller already has:
99 * - copied image header to global variable `header'
100 * - checked header magic number, checksums (both header & image),
101 * - verified image architecture (PPC) and type (KERNEL or MULTI),
102 * - loaded (first part of) image to header load address,
103 * - disabled interrupts.
105 typedef int boot_os_fn (int flag, int argc, char *argv[],
106 bootm_headers_t *images); /* pointers to os/initrd/fdt */
108 #define CONFIG_BOOTM_LINUX 1
109 #define CONFIG_BOOTM_NETBSD 1
110 #define CONFIG_BOOTM_RTEMS 1
112 #ifdef CONFIG_BOOTM_LINUX
113 extern boot_os_fn do_bootm_linux;
115 #ifdef CONFIG_BOOTM_NETBSD
116 static boot_os_fn do_bootm_netbsd;
118 #if defined(CONFIG_LYNXKDI)
119 static boot_os_fn do_bootm_lynxkdi;
120 extern void lynxkdi_boot (image_header_t *);
122 #ifdef CONFIG_BOOTM_RTEMS
123 static boot_os_fn do_bootm_rtems;
125 #if defined(CONFIG_CMD_ELF)
126 static boot_os_fn do_bootm_vxworks;
127 static boot_os_fn do_bootm_qnxelf;
128 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
129 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
131 #if defined(CONFIG_INTEGRITY)
132 static boot_os_fn do_bootm_integrity;
135 static boot_os_fn *boot_os[] = {
136 #ifdef CONFIG_BOOTM_LINUX
137 [IH_OS_LINUX] = do_bootm_linux,
139 #ifdef CONFIG_BOOTM_NETBSD
140 [IH_OS_NETBSD] = do_bootm_netbsd,
142 #ifdef CONFIG_LYNXKDI
143 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
145 #ifdef CONFIG_BOOTM_RTEMS
146 [IH_OS_RTEMS] = do_bootm_rtems,
148 #if defined(CONFIG_CMD_ELF)
149 [IH_OS_VXWORKS] = do_bootm_vxworks,
150 [IH_OS_QNX] = do_bootm_qnxelf,
152 #ifdef CONFIG_INTEGRITY
153 [IH_OS_INTEGRITY] = do_bootm_integrity,
157 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
158 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
160 void __board_lmb_reserve(struct lmb *lmb)
162 /* please define platform specific board_lmb_reserve() */
164 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
166 void __arch_lmb_reserve(struct lmb *lmb)
168 /* please define platform specific arch_lmb_reserve() */
170 void arch_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__arch_lmb_reserve")));
172 /* Allow for arch specific config before we boot */
173 void __arch_preboot_os(void)
175 /* please define platform specific arch_preboot_os() */
177 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
180 #define IH_INITRD_ARCH IH_ARCH_ARM
181 #elif defined(__avr32__)
182 #define IH_INITRD_ARCH IH_ARCH_AVR32
183 #elif defined(__bfin__)
184 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
185 #elif defined(__I386__)
186 #define IH_INITRD_ARCH IH_ARCH_I386
187 #elif defined(__M68K__)
188 #define IH_INITRD_ARCH IH_ARCH_M68K
189 #elif defined(__microblaze__)
190 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
191 #elif defined(__mips__)
192 #define IH_INITRD_ARCH IH_ARCH_MIPS
193 #elif defined(__nios__)
194 #define IH_INITRD_ARCH IH_ARCH_NIOS
195 #elif defined(__nios2__)
196 #define IH_INITRD_ARCH IH_ARCH_NIOS2
197 #elif defined(__PPC__)
198 #define IH_INITRD_ARCH IH_ARCH_PPC
199 #elif defined(__sh__)
200 #define IH_INITRD_ARCH IH_ARCH_SH
201 #elif defined(__sparc__)
202 #define IH_INITRD_ARCH IH_ARCH_SPARC
204 # error Unknown CPU type
207 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
210 phys_size_t mem_size;
214 memset ((void *)&images, 0, sizeof (images));
215 images.verify = getenv_yesno ("verify");
217 lmb_init(&images.lmb);
219 mem_start = getenv_bootm_low();
220 mem_size = getenv_bootm_size();
222 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
224 arch_lmb_reserve(&images.lmb);
225 board_lmb_reserve(&images.lmb);
227 /* get kernel image header, start address and length */
228 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
229 &images, &images.os.image_start, &images.os.image_len);
230 if (images.os.image_len == 0) {
231 puts ("ERROR: can't get kernel image!\n");
235 /* get image parameters */
236 switch (genimg_get_format (os_hdr)) {
237 case IMAGE_FORMAT_LEGACY:
238 images.os.type = image_get_type (os_hdr);
239 images.os.comp = image_get_comp (os_hdr);
240 images.os.os = image_get_os (os_hdr);
242 images.os.end = image_get_image_end (os_hdr);
243 images.os.load = image_get_load (os_hdr);
245 #if defined(CONFIG_FIT)
246 case IMAGE_FORMAT_FIT:
247 if (fit_image_get_type (images.fit_hdr_os,
248 images.fit_noffset_os, &images.os.type)) {
249 puts ("Can't get image type!\n");
250 show_boot_progress (-109);
254 if (fit_image_get_comp (images.fit_hdr_os,
255 images.fit_noffset_os, &images.os.comp)) {
256 puts ("Can't get image compression!\n");
257 show_boot_progress (-110);
261 if (fit_image_get_os (images.fit_hdr_os,
262 images.fit_noffset_os, &images.os.os)) {
263 puts ("Can't get image OS!\n");
264 show_boot_progress (-111);
268 images.os.end = fit_get_end (images.fit_hdr_os);
270 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
272 puts ("Can't get image load address!\n");
273 show_boot_progress (-112);
279 puts ("ERROR: unknown image format type!\n");
283 /* find kernel entry point */
284 if (images.legacy_hdr_valid) {
285 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
286 #if defined(CONFIG_FIT)
287 } else if (images.fit_uname_os) {
288 ret = fit_image_get_entry (images.fit_hdr_os,
289 images.fit_noffset_os, &images.ep);
291 puts ("Can't get entry point property!\n");
296 puts ("Could not find kernel entry point!\n");
300 if (images.os.os == IH_OS_LINUX) {
302 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
303 &images.rd_start, &images.rd_end);
305 puts ("Ramdisk image is corrupt or invalid\n");
309 #if defined(CONFIG_OF_LIBFDT)
310 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
311 /* find flattened device tree */
312 ret = boot_get_fdt (flag, argc, argv, &images,
313 &images.ft_addr, &images.ft_len);
315 puts ("Could not find a valid device tree\n");
319 set_working_fdt_addr(images.ft_addr);
324 images.os.start = (ulong)os_hdr;
325 images.state = BOOTM_STATE_START;
330 #define BOOTM_ERR_RESET -1
331 #define BOOTM_ERR_OVERLAP -2
332 #define BOOTM_ERR_UNIMPLEMENTED -3
333 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
335 uint8_t comp = os.comp;
336 ulong load = os.load;
337 ulong blob_start = os.start;
338 ulong blob_end = os.end;
339 ulong image_start = os.image_start;
340 ulong image_len = os.image_len;
341 uint unc_len = CONFIG_SYS_BOOTM_LEN;
343 const char *type_name = genimg_get_type_name (os.type);
347 if (load == blob_start) {
348 printf (" XIP %s ... ", type_name);
350 printf (" Loading %s ... ", type_name);
352 if (load != image_start) {
353 memmove_wd ((void *)load,
354 (void *)image_start, image_len, CHUNKSZ);
357 *load_end = load + image_len;
361 printf (" Uncompressing %s ... ", type_name);
362 if (gunzip ((void *)load, unc_len,
363 (uchar *)image_start, &image_len) != 0) {
364 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
365 "- must RESET board to recover\n");
367 show_boot_progress (-6);
368 return BOOTM_ERR_RESET;
371 *load_end = load + image_len;
375 printf (" Uncompressing %s ... ", type_name);
377 * If we've got less than 4 MB of malloc() space,
378 * use slower decompression algorithm which requires
379 * at most 2300 KB of memory.
381 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
382 &unc_len, (char *)image_start, image_len,
383 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
385 printf ("BUNZIP2: uncompress or overwrite error %d "
386 "- must RESET board to recover\n", i);
388 show_boot_progress (-6);
389 return BOOTM_ERR_RESET;
392 *load_end = load + unc_len;
394 #endif /* CONFIG_BZIP2 */
397 printf (" Uncompressing %s ... ", type_name);
399 int ret = lzmaBuffToBuffDecompress(
400 (unsigned char *)load, &unc_len,
401 (unsigned char *)image_start, image_len);
403 printf ("LZMA: uncompress or overwrite error %d "
404 "- must RESET board to recover\n", ret);
405 show_boot_progress (-6);
406 return BOOTM_ERR_RESET;
408 *load_end = load + unc_len;
410 #endif /* CONFIG_LZMA */
413 printf (" Uncompressing %s ... ", type_name);
415 int 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 *argv[])
451 int (*appl)(int, char *[]);
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 *[]))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 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 *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 */
508 if (images.state >= state) {
509 printf ("Trying to execute a command out of order\n");
514 images.state |= state;
515 boot_fn = boot_os[images.os.os];
519 case BOOTM_STATE_START:
520 /* should never occur */
522 case BOOTM_STATE_LOADOS:
523 ret = bootm_load_os(images.os, &load_end, 0);
527 lmb_reserve(&images.lmb, images.os.load,
528 (load_end - images.os.load));
530 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
531 case BOOTM_STATE_RAMDISK:
533 ulong rd_len = images.rd_end - images.rd_start;
536 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
537 rd_len, &images.initrd_start, &images.initrd_end);
541 sprintf(str, "%lx", images.initrd_start);
542 setenv("initrd_start", str);
543 sprintf(str, "%lx", images.initrd_end);
544 setenv("initrd_end", str);
548 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_SYS_BOOTMAPSZ)
549 case BOOTM_STATE_FDT:
551 ulong bootmap_base = getenv_bootm_low();
552 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
553 &images.ft_addr, &images.ft_len);
557 case BOOTM_STATE_OS_CMDLINE:
558 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
560 printf ("cmdline subcommand not supported\n");
562 case BOOTM_STATE_OS_BD_T:
563 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
565 printf ("bdt subcommand not supported\n");
567 case BOOTM_STATE_OS_PREP:
568 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
570 printf ("prep subcommand not supported\n");
572 case BOOTM_STATE_OS_GO:
573 disable_interrupts();
575 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
582 /*******************************************************************/
583 /* bootm - boot application image from image in memory */
584 /*******************************************************************/
586 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
592 #ifndef CONFIG_RELOC_FIXUP_WORKS
593 static int relocated = 0;
595 /* relocate boot function table */
598 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
599 if (boot_os[i] != NULL)
600 boot_os[i] += gd->reloc_off;
605 /* determine if we have a sub command */
609 simple_strtoul(argv[1], &endp, 16);
610 /* endp pointing to NULL means that argv[1] was just a
611 * valid number, pass it along to the normal bootm processing
613 * If endp is ':' or '#' assume a FIT identifier so pass
614 * along for normal processing.
616 * Right now we assume the first arg should never be '-'
618 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
619 return do_bootm_subcommand(cmdtp, flag, argc, argv);
622 if (bootm_start(cmdtp, flag, argc, argv))
626 * We have reached the point of no return: we are going to
627 * overwrite all exception vector code, so we cannot easily
628 * recover from any failures any more...
630 iflag = disable_interrupts();
632 #if defined(CONFIG_CMD_USB)
634 * turn off USB to prevent the host controller from writing to the
635 * SDRAM while Linux is booting. This could happen (at least for OHCI
636 * controller), because the HCCA (Host Controller Communication Area)
637 * lies within the SDRAM and the host controller writes continously to
638 * this area (as busmaster!). The HccaFrameNumber is for example
639 * updated every 1 ms within the HCCA structure in SDRAM! For more
640 * details see the OpenHCI specification.
645 #ifdef CONFIG_AMIGAONEG3SE
647 * We've possible left the caches enabled during
648 * bios emulation, so turn them off again
654 ret = bootm_load_os(images.os, &load_end, 1);
657 if (ret == BOOTM_ERR_RESET)
658 do_reset (cmdtp, flag, argc, argv);
659 if (ret == BOOTM_ERR_OVERLAP) {
660 if (images.legacy_hdr_valid) {
661 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
662 puts ("WARNING: legacy format multi component "
663 "image overwritten\n");
665 puts ("ERROR: new format image overwritten - "
666 "must RESET the board to recover\n");
667 show_boot_progress (-113);
668 do_reset (cmdtp, flag, argc, argv);
671 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
674 show_boot_progress (-7);
679 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
681 if (images.os.type == IH_TYPE_STANDALONE) {
684 /* This may return when 'autostart' is 'no' */
685 bootm_start_standalone(iflag, argc, argv);
689 show_boot_progress (8);
691 #ifdef CONFIG_SILENT_CONSOLE
692 if (images.os.os == IH_OS_LINUX)
693 fixup_silent_linux();
696 boot_fn = boot_os[images.os.os];
698 if (boot_fn == NULL) {
701 printf ("ERROR: booting os '%s' (%d) is not supported\n",
702 genimg_get_os_name(images.os.os), images.os.os);
703 show_boot_progress (-8);
709 boot_fn(0, argc, argv, &images);
711 show_boot_progress (-9);
713 puts ("\n## Control returned to monitor - resetting...\n");
715 do_reset (cmdtp, flag, argc, argv);
721 * image_get_kernel - verify legacy format kernel image
722 * @img_addr: in RAM address of the legacy format image to be verified
723 * @verify: data CRC verification flag
725 * image_get_kernel() verifies legacy image integrity and returns pointer to
726 * legacy image header if image verification was completed successfully.
729 * pointer to a legacy image header if valid image was found
730 * otherwise return NULL
732 static image_header_t *image_get_kernel (ulong img_addr, int verify)
734 image_header_t *hdr = (image_header_t *)img_addr;
736 if (!image_check_magic(hdr)) {
737 puts ("Bad Magic Number\n");
738 show_boot_progress (-1);
741 show_boot_progress (2);
743 if (!image_check_hcrc (hdr)) {
744 puts ("Bad Header Checksum\n");
745 show_boot_progress (-2);
749 show_boot_progress (3);
750 image_print_contents (hdr);
753 puts (" Verifying Checksum ... ");
754 if (!image_check_dcrc (hdr)) {
755 printf ("Bad Data CRC\n");
756 show_boot_progress (-3);
761 show_boot_progress (4);
763 if (!image_check_target_arch (hdr)) {
764 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
765 show_boot_progress (-4);
772 * fit_check_kernel - verify FIT format kernel subimage
773 * @fit_hdr: pointer to the FIT image header
774 * os_noffset: kernel subimage node offset within FIT image
775 * @verify: data CRC verification flag
777 * fit_check_kernel() verifies integrity of the kernel subimage and from
778 * specified FIT image.
784 #if defined (CONFIG_FIT)
785 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
787 fit_image_print (fit, os_noffset, " ");
790 puts (" Verifying Hash Integrity ... ");
791 if (!fit_image_check_hashes (fit, os_noffset)) {
792 puts ("Bad Data Hash\n");
793 show_boot_progress (-104);
798 show_boot_progress (105);
800 if (!fit_image_check_target_arch (fit, os_noffset)) {
801 puts ("Unsupported Architecture\n");
802 show_boot_progress (-105);
806 show_boot_progress (106);
807 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
808 puts ("Not a kernel image\n");
809 show_boot_progress (-106);
813 show_boot_progress (107);
816 #endif /* CONFIG_FIT */
819 * boot_get_kernel - find kernel image
820 * @os_data: pointer to a ulong variable, will hold os data start address
821 * @os_len: pointer to a ulong variable, will hold os data length
823 * boot_get_kernel() tries to find a kernel image, verifies its integrity
824 * and locates kernel data.
827 * pointer to image header if valid image was found, plus kernel start
828 * address and length, otherwise NULL
830 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
831 bootm_headers_t *images, ulong *os_data, ulong *os_len)
835 #if defined(CONFIG_FIT)
837 const char *fit_uname_config = NULL;
838 const char *fit_uname_kernel = NULL;
845 /* find out kernel image address */
847 img_addr = load_addr;
848 debug ("* kernel: default image load address = 0x%08lx\n",
850 #if defined(CONFIG_FIT)
851 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
852 &fit_uname_config)) {
853 debug ("* kernel: config '%s' from image at 0x%08lx\n",
854 fit_uname_config, img_addr);
855 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
856 &fit_uname_kernel)) {
857 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
858 fit_uname_kernel, img_addr);
861 img_addr = simple_strtoul(argv[1], NULL, 16);
862 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
865 show_boot_progress (1);
867 /* copy from dataflash if needed */
868 img_addr = genimg_get_image (img_addr);
870 /* check image type, for FIT images get FIT kernel node */
871 *os_data = *os_len = 0;
872 switch (genimg_get_format ((void *)img_addr)) {
873 case IMAGE_FORMAT_LEGACY:
874 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
876 hdr = image_get_kernel (img_addr, images->verify);
879 show_boot_progress (5);
881 /* get os_data and os_len */
882 switch (image_get_type (hdr)) {
884 *os_data = image_get_data (hdr);
885 *os_len = image_get_data_size (hdr);
888 image_multi_getimg (hdr, 0, os_data, os_len);
890 case IH_TYPE_STANDALONE:
892 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
894 *os_data = image_get_data (hdr);
895 *os_len = image_get_data_size (hdr);
898 printf ("Wrong Image Type for %s command\n", cmdtp->name);
899 show_boot_progress (-5);
904 * copy image header to allow for image overwrites during kernel
907 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
909 /* save pointer to image header */
910 images->legacy_hdr_os = hdr;
912 images->legacy_hdr_valid = 1;
913 show_boot_progress (6);
915 #if defined(CONFIG_FIT)
916 case IMAGE_FORMAT_FIT:
917 fit_hdr = (void *)img_addr;
918 printf ("## Booting kernel from FIT Image at %08lx ...\n",
921 if (!fit_check_format (fit_hdr)) {
922 puts ("Bad FIT kernel image format!\n");
923 show_boot_progress (-100);
926 show_boot_progress (100);
928 if (!fit_uname_kernel) {
930 * no kernel image node unit name, try to get config
931 * node first. If config unit node name is NULL
932 * fit_conf_get_node() will try to find default config node
934 show_boot_progress (101);
935 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
936 if (cfg_noffset < 0) {
937 show_boot_progress (-101);
940 /* save configuration uname provided in the first
943 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
944 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
945 show_boot_progress (103);
947 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
948 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
950 /* get kernel component image node offset */
951 show_boot_progress (102);
952 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
954 if (os_noffset < 0) {
955 show_boot_progress (-103);
959 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
961 show_boot_progress (104);
962 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
965 /* get kernel image data address and length */
966 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
967 puts ("Could not find kernel subimage data!\n");
968 show_boot_progress (-107);
971 show_boot_progress (108);
974 *os_data = (ulong)data;
975 images->fit_hdr_os = fit_hdr;
976 images->fit_uname_os = fit_uname_kernel;
977 images->fit_noffset_os = os_noffset;
981 printf ("Wrong Image Format for %s command\n", cmdtp->name);
982 show_boot_progress (-108);
986 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
987 *os_data, *os_len, *os_len);
989 return (void *)img_addr;
993 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
994 "boot application image from memory",
995 "[addr [arg ...]]\n - boot application image stored in memory\n"
996 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
997 "\t'arg' can be the address of an initrd image\n"
998 #if defined(CONFIG_OF_LIBFDT)
999 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1000 "\ta third argument is required which is the address of the\n"
1001 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1002 "\tuse a '-' for the second argument. If you do not pass a third\n"
1003 "\ta bd_info struct will be passed instead\n"
1005 #if defined(CONFIG_FIT)
1006 "\t\nFor the new multi component uImage format (FIT) addresses\n"
1007 "\tmust be extened to include component or configuration unit name:\n"
1008 "\taddr:<subimg_uname> - direct component image specification\n"
1009 "\taddr#<conf_uname> - configuration specification\n"
1010 "\tUse iminfo command to get the list of existing component\n"
1011 "\timages and configurations.\n"
1013 "\nSub-commands to do part of the bootm sequence. The sub-commands "
1015 "issued in the order below (it's ok to not issue all sub-commands):\n"
1016 "\tstart [addr [arg ...]]\n"
1017 "\tloados - load OS image\n"
1018 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1019 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1021 #if defined(CONFIG_OF_LIBFDT)
1022 "\tfdt - relocate flat device tree\n"
1024 "\tcmdline - OS specific command line processing/setup\n"
1025 "\tbdt - OS specific bd_t processing\n"
1026 "\tprep - OS specific prep before relocation or go\n"
1030 /*******************************************************************/
1031 /* bootd - boot default image */
1032 /*******************************************************************/
1033 #if defined(CONFIG_CMD_BOOTD)
1034 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1038 #ifndef CONFIG_SYS_HUSH_PARSER
1039 if (run_command (getenv ("bootcmd"), flag) < 0)
1042 if (parse_string_outer (getenv ("bootcmd"),
1043 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1050 boot, 1, 1, do_bootd,
1051 "boot default, i.e., run 'bootcmd'",
1055 /* keep old command name "bootd" for backward compatibility */
1057 bootd, 1, 1, do_bootd,
1058 "boot default, i.e., run 'bootcmd'",
1065 /*******************************************************************/
1066 /* iminfo - print header info for a requested image */
1067 /*******************************************************************/
1068 #if defined(CONFIG_CMD_IMI)
1069 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1076 return image_info (load_addr);
1079 for (arg = 1; arg < argc; ++arg) {
1080 addr = simple_strtoul (argv[arg], NULL, 16);
1081 if (image_info (addr) != 0)
1087 static int image_info (ulong addr)
1089 void *hdr = (void *)addr;
1091 printf ("\n## Checking Image at %08lx ...\n", addr);
1093 switch (genimg_get_format (hdr)) {
1094 case IMAGE_FORMAT_LEGACY:
1095 puts (" Legacy image found\n");
1096 if (!image_check_magic (hdr)) {
1097 puts (" Bad Magic Number\n");
1101 if (!image_check_hcrc (hdr)) {
1102 puts (" Bad Header Checksum\n");
1106 image_print_contents (hdr);
1108 puts (" Verifying Checksum ... ");
1109 if (!image_check_dcrc (hdr)) {
1110 puts (" Bad Data CRC\n");
1115 #if defined(CONFIG_FIT)
1116 case IMAGE_FORMAT_FIT:
1117 puts (" FIT image found\n");
1119 if (!fit_check_format (hdr)) {
1120 puts ("Bad FIT image format!\n");
1124 fit_print_contents (hdr);
1126 if (!fit_all_image_check_hashes (hdr)) {
1127 puts ("Bad hash in FIT image!\n");
1134 puts ("Unknown image format!\n");
1142 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1143 "print header information for application image",
1145 " - print header information for application image starting at\n"
1146 " address 'addr' in memory; this includes verification of the\n"
1147 " image contents (magic number, header and payload checksums)"
1152 /*******************************************************************/
1153 /* imls - list all images found in flash */
1154 /*******************************************************************/
1155 #if defined(CONFIG_CMD_IMLS)
1156 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1162 for (i = 0, info = &flash_info[0];
1163 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1165 if (info->flash_id == FLASH_UNKNOWN)
1167 for (j = 0; j < info->sector_count; ++j) {
1169 hdr = (void *)info->start[j];
1173 switch (genimg_get_format (hdr)) {
1174 case IMAGE_FORMAT_LEGACY:
1175 if (!image_check_hcrc (hdr))
1178 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1179 image_print_contents (hdr);
1181 puts (" Verifying Checksum ... ");
1182 if (!image_check_dcrc (hdr)) {
1183 puts ("Bad Data CRC\n");
1188 #if defined(CONFIG_FIT)
1189 case IMAGE_FORMAT_FIT:
1190 if (!fit_check_format (hdr))
1193 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1194 fit_print_contents (hdr);
1210 imls, 1, 1, do_imls,
1211 "list all images found in flash",
1213 " - Prints information about all images found at sector\n"
1214 " boundaries in flash."
1218 /*******************************************************************/
1219 /* helper routines */
1220 /*******************************************************************/
1221 #ifdef CONFIG_SILENT_CONSOLE
1222 static void fixup_silent_linux ()
1224 char buf[256], *start, *end;
1225 char *cmdline = getenv ("bootargs");
1227 /* Only fix cmdline when requested */
1228 if (!(gd->flags & GD_FLG_SILENT))
1231 debug ("before silent fix-up: %s\n", cmdline);
1233 if ((start = strstr (cmdline, "console=")) != NULL) {
1234 end = strchr (start, ' ');
1235 strncpy (buf, cmdline, (start - cmdline + 8));
1237 strcpy (buf + (start - cmdline + 8), end);
1239 buf[start - cmdline + 8] = '\0';
1241 strcpy (buf, cmdline);
1242 strcat (buf, " console=");
1245 strcpy (buf, "console=");
1248 setenv ("bootargs", buf);
1249 debug ("after silent fix-up: %s\n", buf);
1251 #endif /* CONFIG_SILENT_CONSOLE */
1254 /*******************************************************************/
1255 /* OS booting routines */
1256 /*******************************************************************/
1258 #ifdef CONFIG_BOOTM_NETBSD
1259 static int do_bootm_netbsd (int flag, int argc, char *argv[],
1260 bootm_headers_t *images)
1262 void (*loader)(bd_t *, image_header_t *, char *, char *);
1263 image_header_t *os_hdr, *hdr;
1264 ulong kernel_data, kernel_len;
1268 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1271 #if defined(CONFIG_FIT)
1272 if (!images->legacy_hdr_valid) {
1273 fit_unsupported_reset ("NetBSD");
1277 hdr = images->legacy_hdr_os;
1280 * Booting a (NetBSD) kernel image
1282 * This process is pretty similar to a standalone application:
1283 * The (first part of an multi-) image must be a stage-2 loader,
1284 * which in turn is responsible for loading & invoking the actual
1285 * kernel. The only differences are the parameters being passed:
1286 * besides the board info strucure, the loader expects a command
1287 * line, the name of the console device, and (optionally) the
1288 * address of the original image header.
1291 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1292 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1298 #if defined (CONFIG_8xx_CONS_SMC1)
1300 #elif defined (CONFIG_8xx_CONS_SMC2)
1302 #elif defined (CONFIG_8xx_CONS_SCC2)
1304 #elif defined (CONFIG_8xx_CONS_SCC3)
1312 for (i = 2, len = 0; i < argc; i += 1)
1313 len += strlen (argv[i]) + 1;
1314 cmdline = malloc (len);
1316 for (i = 2, len = 0; i < argc; i += 1) {
1318 cmdline[len++] = ' ';
1319 strcpy (&cmdline[len], argv[i]);
1320 len += strlen (argv[i]);
1322 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1326 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1328 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1331 show_boot_progress (15);
1334 * NetBSD Stage-2 Loader Parameters:
1335 * r3: ptr to board info data
1337 * r5: console device
1338 * r6: boot args string
1340 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1344 #endif /* CONFIG_BOOTM_NETBSD*/
1346 #ifdef CONFIG_LYNXKDI
1347 static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
1348 bootm_headers_t *images)
1350 image_header_t *hdr = &images->legacy_hdr_os_copy;
1352 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1355 #if defined(CONFIG_FIT)
1356 if (!images->legacy_hdr_valid) {
1357 fit_unsupported_reset ("Lynx");
1362 lynxkdi_boot ((image_header_t *)hdr);
1366 #endif /* CONFIG_LYNXKDI */
1368 #ifdef CONFIG_BOOTM_RTEMS
1369 static int do_bootm_rtems (int flag, int argc, char *argv[],
1370 bootm_headers_t *images)
1372 void (*entry_point)(bd_t *);
1374 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1377 #if defined(CONFIG_FIT)
1378 if (!images->legacy_hdr_valid) {
1379 fit_unsupported_reset ("RTEMS");
1384 entry_point = (void (*)(bd_t *))images->ep;
1386 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1387 (ulong)entry_point);
1389 show_boot_progress (15);
1393 * r3: ptr to board info data
1395 (*entry_point)(gd->bd);
1399 #endif /* CONFIG_BOOTM_RTEMS */
1401 #if defined(CONFIG_CMD_ELF)
1402 static int do_bootm_vxworks (int flag, int argc, char *argv[],
1403 bootm_headers_t *images)
1407 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1410 #if defined(CONFIG_FIT)
1411 if (!images->legacy_hdr_valid) {
1412 fit_unsupported_reset ("VxWorks");
1417 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1418 setenv("loadaddr", str);
1419 do_bootvx(NULL, 0, 0, NULL);
1424 static int do_bootm_qnxelf(int flag, int argc, char *argv[],
1425 bootm_headers_t *images)
1427 char *local_args[2];
1430 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1433 #if defined(CONFIG_FIT)
1434 if (!images->legacy_hdr_valid) {
1435 fit_unsupported_reset ("QNX");
1440 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1441 local_args[0] = argv[0];
1442 local_args[1] = str; /* and provide it via the arguments */
1443 do_bootelf(NULL, 0, 2, local_args);
1449 #ifdef CONFIG_INTEGRITY
1450 static int do_bootm_integrity (int flag, int argc, char *argv[],
1451 bootm_headers_t *images)
1453 void (*entry_point)(void);
1455 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1458 #if defined(CONFIG_FIT)
1459 if (!images->legacy_hdr_valid) {
1460 fit_unsupported_reset ("INTEGRITY");
1465 entry_point = (void (*)(void))images->ep;
1467 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1468 (ulong)entry_point);
1470 show_boot_progress (15);
1473 * INTEGRITY Parameters: