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 */
60 DECLARE_GLOBAL_DATA_PTR;
62 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
63 #ifndef CONFIG_SYS_BOOTM_LEN
64 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
68 extern void bz_internal_error(int);
71 #if defined(CONFIG_CMD_IMI)
72 static int image_info (unsigned long addr);
75 #if defined(CONFIG_CMD_IMLS)
77 extern flash_info_t flash_info[]; /* info for FLASH chips */
78 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
81 #ifdef CONFIG_SILENT_CONSOLE
82 static void fixup_silent_linux (void);
85 static image_header_t *image_get_kernel (ulong img_addr, int verify);
86 #if defined(CONFIG_FIT)
87 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
90 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
91 bootm_headers_t *images, ulong *os_data, ulong *os_len);
92 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
95 * Continue booting an OS image; caller already has:
96 * - copied image header to global variable `header'
97 * - checked header magic number, checksums (both header & image),
98 * - verified image architecture (PPC) and type (KERNEL or MULTI),
99 * - loaded (first part of) image to header load address,
100 * - disabled interrupts.
102 typedef int boot_os_fn (int flag, int argc, char *argv[],
103 bootm_headers_t *images); /* pointers to os/initrd/fdt */
105 #define CONFIG_BOOTM_LINUX 1
106 #define CONFIG_BOOTM_NETBSD 1
107 #define CONFIG_BOOTM_RTEMS 1
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 *argv[]);
126 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
128 #if defined(CONFIG_INTEGRITY)
129 static boot_os_fn do_bootm_integrity;
132 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 void __board_lmb_reserve(struct lmb *lmb)
159 /* please define platform specific board_lmb_reserve() */
161 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
163 void __arch_lmb_reserve(struct lmb *lmb)
165 /* please define platform specific arch_lmb_reserve() */
167 void arch_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__arch_lmb_reserve")));
170 #define IH_INITRD_ARCH IH_ARCH_ARM
171 #elif defined(__avr32__)
172 #define IH_INITRD_ARCH IH_ARCH_AVR32
173 #elif defined(__bfin__)
174 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
175 #elif defined(__I386__)
176 #define IH_INITRD_ARCH IH_ARCH_I386
177 #elif defined(__M68K__)
178 #define IH_INITRD_ARCH IH_ARCH_M68K
179 #elif defined(__microblaze__)
180 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
181 #elif defined(__mips__)
182 #define IH_INITRD_ARCH IH_ARCH_MIPS
183 #elif defined(__nios__)
184 #define IH_INITRD_ARCH IH_ARCH_NIOS
185 #elif defined(__nios2__)
186 #define IH_INITRD_ARCH IH_ARCH_NIOS2
187 #elif defined(__PPC__)
188 #define IH_INITRD_ARCH IH_ARCH_PPC
189 #elif defined(__sh__)
190 #define IH_INITRD_ARCH IH_ARCH_SH
191 #elif defined(__sparc__)
192 #define IH_INITRD_ARCH IH_ARCH_SPARC
194 # error Unknown CPU type
197 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
200 phys_size_t mem_size;
204 memset ((void *)&images, 0, sizeof (images));
205 images.verify = getenv_yesno ("verify");
207 lmb_init(&images.lmb);
209 mem_start = getenv_bootm_low();
210 mem_size = getenv_bootm_size();
212 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
214 arch_lmb_reserve(&images.lmb);
215 board_lmb_reserve(&images.lmb);
217 /* get kernel image header, start address and length */
218 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
219 &images, &images.os.image_start, &images.os.image_len);
220 if (images.os.image_len == 0) {
221 puts ("ERROR: can't get kernel image!\n");
225 /* get image parameters */
226 switch (genimg_get_format (os_hdr)) {
227 case IMAGE_FORMAT_LEGACY:
228 images.os.type = image_get_type (os_hdr);
229 images.os.comp = image_get_comp (os_hdr);
230 images.os.os = image_get_os (os_hdr);
232 images.os.end = image_get_image_end (os_hdr);
233 images.os.load = image_get_load (os_hdr);
235 #if defined(CONFIG_FIT)
236 case IMAGE_FORMAT_FIT:
237 if (fit_image_get_type (images.fit_hdr_os,
238 images.fit_noffset_os, &images.os.type)) {
239 puts ("Can't get image type!\n");
240 show_boot_progress (-109);
244 if (fit_image_get_comp (images.fit_hdr_os,
245 images.fit_noffset_os, &images.os.comp)) {
246 puts ("Can't get image compression!\n");
247 show_boot_progress (-110);
251 if (fit_image_get_os (images.fit_hdr_os,
252 images.fit_noffset_os, &images.os.os)) {
253 puts ("Can't get image OS!\n");
254 show_boot_progress (-111);
258 images.os.end = fit_get_end (images.fit_hdr_os);
260 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
262 puts ("Can't get image load address!\n");
263 show_boot_progress (-112);
269 puts ("ERROR: unknown image format type!\n");
273 /* find kernel entry point */
274 if (images.legacy_hdr_valid) {
275 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
276 #if defined(CONFIG_FIT)
277 } else if (images.fit_uname_os) {
278 ret = fit_image_get_entry (images.fit_hdr_os,
279 images.fit_noffset_os, &images.ep);
281 puts ("Can't get entry point property!\n");
286 puts ("Could not find kernel entry point!\n");
290 if (images.os.os == IH_OS_LINUX) {
292 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
293 &images.rd_start, &images.rd_end);
295 puts ("Ramdisk image is corrupt or invalid\n");
299 #if defined(CONFIG_OF_LIBFDT)
300 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
301 /* find flattened device tree */
302 ret = boot_get_fdt (flag, argc, argv, &images,
303 &images.ft_addr, &images.ft_len);
305 puts ("Could not find a valid device tree\n");
309 set_working_fdt_addr(images.ft_addr);
314 images.os.start = (ulong)os_hdr;
315 images.state = BOOTM_STATE_START;
320 #define BOOTM_ERR_RESET -1
321 #define BOOTM_ERR_OVERLAP -2
322 #define BOOTM_ERR_UNIMPLEMENTED -3
323 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
325 uint8_t comp = os.comp;
326 ulong load = os.load;
327 ulong blob_start = os.start;
328 ulong blob_end = os.end;
329 ulong image_start = os.image_start;
330 ulong image_len = os.image_len;
331 uint unc_len = CONFIG_SYS_BOOTM_LEN;
333 const char *type_name = genimg_get_type_name (os.type);
337 if (load == blob_start) {
338 printf (" XIP %s ... ", type_name);
340 printf (" Loading %s ... ", type_name);
342 if (load != image_start) {
343 memmove_wd ((void *)load,
344 (void *)image_start, image_len, CHUNKSZ);
347 *load_end = load + image_len;
351 printf (" Uncompressing %s ... ", type_name);
352 if (gunzip ((void *)load, unc_len,
353 (uchar *)image_start, &image_len) != 0) {
354 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
355 "- must RESET board to recover\n");
357 show_boot_progress (-6);
358 return BOOTM_ERR_RESET;
361 *load_end = load + image_len;
365 printf (" Uncompressing %s ... ", type_name);
367 * If we've got less than 4 MB of malloc() space,
368 * use slower decompression algorithm which requires
369 * at most 2300 KB of memory.
371 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
372 &unc_len, (char *)image_start, image_len,
373 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
375 printf ("BUNZIP2: uncompress or overwrite error %d "
376 "- must RESET board to recover\n", i);
378 show_boot_progress (-6);
379 return BOOTM_ERR_RESET;
382 *load_end = load + unc_len;
384 #endif /* CONFIG_BZIP2 */
387 printf (" Uncompressing %s ... ", type_name);
389 int ret = lzmaBuffToBuffDecompress(
390 (unsigned char *)load, &unc_len,
391 (unsigned char *)image_start, image_len);
393 printf ("LZMA: uncompress or overwrite error %d "
394 "- must RESET board to recover\n", ret);
395 show_boot_progress (-6);
396 return BOOTM_ERR_RESET;
398 *load_end = load + unc_len;
400 #endif /* CONFIG_LZMA */
402 printf ("Unimplemented compression type %d\n", comp);
403 return BOOTM_ERR_UNIMPLEMENTED;
406 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
408 show_boot_progress (7);
410 if ((load < blob_end) && (*load_end > blob_start)) {
411 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
412 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
414 return BOOTM_ERR_OVERLAP;
420 static int bootm_start_standalone(ulong iflag, int argc, char *argv[])
423 int (*appl)(int, char *[]);
425 /* Don't start if "autostart" is set to "no" */
426 if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
428 sprintf(buf, "%lX", images.os.image_len);
429 setenv("filesize", buf);
432 appl = (int (*)(int, char *[]))ntohl(images.ep);
433 (*appl)(argc-1, &argv[1]);
438 /* we overload the cmd field with our state machine info instead of a
439 * function pointer */
440 cmd_tbl_t cmd_bootm_sub[] = {
441 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
442 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
443 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
444 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
446 #ifdef CONFIG_OF_LIBFDT
447 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
449 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
450 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
451 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
452 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
455 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
462 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
467 /* treat start special since it resets the state machine */
468 if (state == BOOTM_STATE_START) {
471 return bootm_start(cmdtp, flag, argc, argv);
474 /* Unrecognized command */
480 if (images.state >= state) {
481 printf ("Trying to execute a command out of order\n");
486 images.state |= state;
487 boot_fn = boot_os[images.os.os];
491 case BOOTM_STATE_START:
492 /* should never occur */
494 case BOOTM_STATE_LOADOS:
495 ret = bootm_load_os(images.os, &load_end, 0);
499 lmb_reserve(&images.lmb, images.os.load,
500 (load_end - images.os.load));
502 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
503 case BOOTM_STATE_RAMDISK:
505 ulong rd_len = images.rd_end - images.rd_start;
508 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
509 rd_len, &images.initrd_start, &images.initrd_end);
513 sprintf(str, "%lx", images.initrd_start);
514 setenv("initrd_start", str);
515 sprintf(str, "%lx", images.initrd_end);
516 setenv("initrd_end", str);
520 #ifdef CONFIG_OF_LIBFDT
521 case BOOTM_STATE_FDT:
523 ulong bootmap_base = getenv_bootm_low();
524 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
525 &images.ft_addr, &images.ft_len);
529 case BOOTM_STATE_OS_CMDLINE:
530 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
532 printf ("cmdline subcommand not supported\n");
534 case BOOTM_STATE_OS_BD_T:
535 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
537 printf ("bdt subcommand not supported\n");
539 case BOOTM_STATE_OS_PREP:
540 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
542 printf ("prep subcommand not supported\n");
544 case BOOTM_STATE_OS_GO:
545 disable_interrupts();
546 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
553 /*******************************************************************/
554 /* bootm - boot application image from image in memory */
555 /*******************************************************************/
556 static int relocated = 0;
558 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
565 /* relocate boot function table */
568 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
569 if (boot_os[i] != NULL)
570 boot_os[i] += gd->reloc_off;
574 /* determine if we have a sub command */
578 simple_strtoul(argv[1], &endp, 16);
579 /* endp pointing to NULL means that argv[1] was just a
580 * valid number, pass it along to the normal bootm processing
582 * If endp is ':' or '#' assume a FIT identifier so pass
583 * along for normal processing.
585 * Right now we assume the first arg should never be '-'
587 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
588 return do_bootm_subcommand(cmdtp, flag, argc, argv);
591 if (bootm_start(cmdtp, flag, argc, argv))
595 * We have reached the point of no return: we are going to
596 * overwrite all exception vector code, so we cannot easily
597 * recover from any failures any more...
599 iflag = disable_interrupts();
601 #if defined(CONFIG_CMD_USB)
603 * turn off USB to prevent the host controller from writing to the
604 * SDRAM while Linux is booting. This could happen (at least for OHCI
605 * controller), because the HCCA (Host Controller Communication Area)
606 * lies within the SDRAM and the host controller writes continously to
607 * this area (as busmaster!). The HccaFrameNumber is for example
608 * updated every 1 ms within the HCCA structure in SDRAM! For more
609 * details see the OpenHCI specification.
614 #ifdef CONFIG_AMIGAONEG3SE
616 * We've possible left the caches enabled during
617 * bios emulation, so turn them off again
623 ret = bootm_load_os(images.os, &load_end, 1);
626 if (ret == BOOTM_ERR_RESET)
627 do_reset (cmdtp, flag, argc, argv);
628 if (ret == BOOTM_ERR_OVERLAP) {
629 if (images.legacy_hdr_valid) {
630 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
631 puts ("WARNING: legacy format multi component "
632 "image overwritten\n");
634 puts ("ERROR: new format image overwritten - "
635 "must RESET the board to recover\n");
636 show_boot_progress (-113);
637 do_reset (cmdtp, flag, argc, argv);
640 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
643 show_boot_progress (-7);
648 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
650 if (images.os.type == IH_TYPE_STANDALONE) {
653 /* This may return when 'autostart' is 'no' */
654 bootm_start_standalone(iflag, argc, argv);
658 show_boot_progress (8);
660 #ifdef CONFIG_SILENT_CONSOLE
661 if (images.os.os == IH_OS_LINUX)
662 fixup_silent_linux();
665 boot_fn = boot_os[images.os.os];
667 if (boot_fn == NULL) {
670 printf ("ERROR: booting os '%s' (%d) is not supported\n",
671 genimg_get_os_name(images.os.os), images.os.os);
672 show_boot_progress (-8);
676 boot_fn(0, argc, argv, &images);
678 show_boot_progress (-9);
680 puts ("\n## Control returned to monitor - resetting...\n");
682 do_reset (cmdtp, flag, argc, argv);
688 * image_get_kernel - verify legacy format kernel image
689 * @img_addr: in RAM address of the legacy format image to be verified
690 * @verify: data CRC verification flag
692 * image_get_kernel() verifies legacy image integrity and returns pointer to
693 * legacy image header if image verification was completed successfully.
696 * pointer to a legacy image header if valid image was found
697 * otherwise return NULL
699 static image_header_t *image_get_kernel (ulong img_addr, int verify)
701 image_header_t *hdr = (image_header_t *)img_addr;
703 if (!image_check_magic(hdr)) {
704 puts ("Bad Magic Number\n");
705 show_boot_progress (-1);
708 show_boot_progress (2);
710 if (!image_check_hcrc (hdr)) {
711 puts ("Bad Header Checksum\n");
712 show_boot_progress (-2);
716 show_boot_progress (3);
717 image_print_contents (hdr);
720 puts (" Verifying Checksum ... ");
721 if (!image_check_dcrc (hdr)) {
722 printf ("Bad Data CRC\n");
723 show_boot_progress (-3);
728 show_boot_progress (4);
730 if (!image_check_target_arch (hdr)) {
731 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
732 show_boot_progress (-4);
739 * fit_check_kernel - verify FIT format kernel subimage
740 * @fit_hdr: pointer to the FIT image header
741 * os_noffset: kernel subimage node offset within FIT image
742 * @verify: data CRC verification flag
744 * fit_check_kernel() verifies integrity of the kernel subimage and from
745 * specified FIT image.
751 #if defined (CONFIG_FIT)
752 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
754 fit_image_print (fit, os_noffset, " ");
757 puts (" Verifying Hash Integrity ... ");
758 if (!fit_image_check_hashes (fit, os_noffset)) {
759 puts ("Bad Data Hash\n");
760 show_boot_progress (-104);
765 show_boot_progress (105);
767 if (!fit_image_check_target_arch (fit, os_noffset)) {
768 puts ("Unsupported Architecture\n");
769 show_boot_progress (-105);
773 show_boot_progress (106);
774 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
775 puts ("Not a kernel image\n");
776 show_boot_progress (-106);
780 show_boot_progress (107);
783 #endif /* CONFIG_FIT */
786 * boot_get_kernel - find kernel image
787 * @os_data: pointer to a ulong variable, will hold os data start address
788 * @os_len: pointer to a ulong variable, will hold os data length
790 * boot_get_kernel() tries to find a kernel image, verifies its integrity
791 * and locates kernel data.
794 * pointer to image header if valid image was found, plus kernel start
795 * address and length, otherwise NULL
797 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
798 bootm_headers_t *images, ulong *os_data, ulong *os_len)
802 #if defined(CONFIG_FIT)
804 const char *fit_uname_config = NULL;
805 const char *fit_uname_kernel = NULL;
812 /* find out kernel image address */
814 img_addr = load_addr;
815 debug ("* kernel: default image load address = 0x%08lx\n",
817 #if defined(CONFIG_FIT)
818 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
819 &fit_uname_config)) {
820 debug ("* kernel: config '%s' from image at 0x%08lx\n",
821 fit_uname_config, img_addr);
822 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
823 &fit_uname_kernel)) {
824 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
825 fit_uname_kernel, img_addr);
828 img_addr = simple_strtoul(argv[1], NULL, 16);
829 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
832 show_boot_progress (1);
834 /* copy from dataflash if needed */
835 img_addr = genimg_get_image (img_addr);
837 /* check image type, for FIT images get FIT kernel node */
838 *os_data = *os_len = 0;
839 switch (genimg_get_format ((void *)img_addr)) {
840 case IMAGE_FORMAT_LEGACY:
841 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
843 hdr = image_get_kernel (img_addr, images->verify);
846 show_boot_progress (5);
848 /* get os_data and os_len */
849 switch (image_get_type (hdr)) {
851 *os_data = image_get_data (hdr);
852 *os_len = image_get_data_size (hdr);
855 image_multi_getimg (hdr, 0, os_data, os_len);
857 case IH_TYPE_STANDALONE:
859 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
861 *os_data = image_get_data (hdr);
862 *os_len = image_get_data_size (hdr);
865 printf ("Wrong Image Type for %s command\n", cmdtp->name);
866 show_boot_progress (-5);
871 * copy image header to allow for image overwrites during kernel
874 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
876 /* save pointer to image header */
877 images->legacy_hdr_os = hdr;
879 images->legacy_hdr_valid = 1;
880 show_boot_progress (6);
882 #if defined(CONFIG_FIT)
883 case IMAGE_FORMAT_FIT:
884 fit_hdr = (void *)img_addr;
885 printf ("## Booting kernel from FIT Image at %08lx ...\n",
888 if (!fit_check_format (fit_hdr)) {
889 puts ("Bad FIT kernel image format!\n");
890 show_boot_progress (-100);
893 show_boot_progress (100);
895 if (!fit_uname_kernel) {
897 * no kernel image node unit name, try to get config
898 * node first. If config unit node name is NULL
899 * fit_conf_get_node() will try to find default config node
901 show_boot_progress (101);
902 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
903 if (cfg_noffset < 0) {
904 show_boot_progress (-101);
907 /* save configuration uname provided in the first
910 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
911 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
912 show_boot_progress (103);
914 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
915 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
917 /* get kernel component image node offset */
918 show_boot_progress (102);
919 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
921 if (os_noffset < 0) {
922 show_boot_progress (-103);
926 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
928 show_boot_progress (104);
929 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
932 /* get kernel image data address and length */
933 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
934 puts ("Could not find kernel subimage data!\n");
935 show_boot_progress (-107);
938 show_boot_progress (108);
941 *os_data = (ulong)data;
942 images->fit_hdr_os = fit_hdr;
943 images->fit_uname_os = fit_uname_kernel;
944 images->fit_noffset_os = os_noffset;
948 printf ("Wrong Image Format for %s command\n", cmdtp->name);
949 show_boot_progress (-108);
953 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
954 *os_data, *os_len, *os_len);
956 return (void *)img_addr;
960 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
961 "boot application image from memory",
962 "[addr [arg ...]]\n - boot application image stored in memory\n"
963 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
964 "\t'arg' can be the address of an initrd image\n"
965 #if defined(CONFIG_OF_LIBFDT)
966 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
967 "\ta third argument is required which is the address of the\n"
968 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
969 "\tuse a '-' for the second argument. If you do not pass a third\n"
970 "\ta bd_info struct will be passed instead\n"
972 #if defined(CONFIG_FIT)
973 "\t\nFor the new multi component uImage format (FIT) addresses\n"
974 "\tmust be extened to include component or configuration unit name:\n"
975 "\taddr:<subimg_uname> - direct component image specification\n"
976 "\taddr#<conf_uname> - configuration specification\n"
977 "\tUse iminfo command to get the list of existing component\n"
978 "\timages and configurations.\n"
980 "\nSub-commands to do part of the bootm sequence. The sub-commands "
982 "issued in the order below (it's ok to not issue all sub-commands):\n"
983 "\tstart [addr [arg ...]]\n"
984 "\tloados - load OS image\n"
985 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
986 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
988 #if defined(CONFIG_OF_LIBFDT)
989 "\tfdt - relocate flat device tree\n"
991 "\tbdt - OS specific bd_t processing\n"
992 "\tcmdline - OS specific command line processing/setup\n"
993 "\tprep - OS specific prep before relocation or go\n"
997 /*******************************************************************/
998 /* bootd - boot default image */
999 /*******************************************************************/
1000 #if defined(CONFIG_CMD_BOOTD)
1001 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1005 #ifndef CONFIG_SYS_HUSH_PARSER
1006 if (run_command (getenv ("bootcmd"), flag) < 0)
1009 if (parse_string_outer (getenv ("bootcmd"),
1010 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1017 boot, 1, 1, do_bootd,
1018 "boot default, i.e., run 'bootcmd'",
1022 /* keep old command name "bootd" for backward compatibility */
1024 bootd, 1, 1, do_bootd,
1025 "boot default, i.e., run 'bootcmd'",
1032 /*******************************************************************/
1033 /* iminfo - print header info for a requested image */
1034 /*******************************************************************/
1035 #if defined(CONFIG_CMD_IMI)
1036 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1043 return image_info (load_addr);
1046 for (arg = 1; arg < argc; ++arg) {
1047 addr = simple_strtoul (argv[arg], NULL, 16);
1048 if (image_info (addr) != 0)
1054 static int image_info (ulong addr)
1056 void *hdr = (void *)addr;
1058 printf ("\n## Checking Image at %08lx ...\n", addr);
1060 switch (genimg_get_format (hdr)) {
1061 case IMAGE_FORMAT_LEGACY:
1062 puts (" Legacy image found\n");
1063 if (!image_check_magic (hdr)) {
1064 puts (" Bad Magic Number\n");
1068 if (!image_check_hcrc (hdr)) {
1069 puts (" Bad Header Checksum\n");
1073 image_print_contents (hdr);
1075 puts (" Verifying Checksum ... ");
1076 if (!image_check_dcrc (hdr)) {
1077 puts (" Bad Data CRC\n");
1082 #if defined(CONFIG_FIT)
1083 case IMAGE_FORMAT_FIT:
1084 puts (" FIT image found\n");
1086 if (!fit_check_format (hdr)) {
1087 puts ("Bad FIT image format!\n");
1091 fit_print_contents (hdr);
1093 if (!fit_all_image_check_hashes (hdr)) {
1094 puts ("Bad hash in FIT image!\n");
1101 puts ("Unknown image format!\n");
1109 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1110 "print header information for application image",
1112 " - print header information for application image starting at\n"
1113 " address 'addr' in memory; this includes verification of the\n"
1114 " image contents (magic number, header and payload checksums)"
1119 /*******************************************************************/
1120 /* imls - list all images found in flash */
1121 /*******************************************************************/
1122 #if defined(CONFIG_CMD_IMLS)
1123 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1129 for (i = 0, info = &flash_info[0];
1130 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1132 if (info->flash_id == FLASH_UNKNOWN)
1134 for (j = 0; j < info->sector_count; ++j) {
1136 hdr = (void *)info->start[j];
1140 switch (genimg_get_format (hdr)) {
1141 case IMAGE_FORMAT_LEGACY:
1142 if (!image_check_hcrc (hdr))
1145 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1146 image_print_contents (hdr);
1148 puts (" Verifying Checksum ... ");
1149 if (!image_check_dcrc (hdr)) {
1150 puts ("Bad Data CRC\n");
1155 #if defined(CONFIG_FIT)
1156 case IMAGE_FORMAT_FIT:
1157 if (!fit_check_format (hdr))
1160 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1161 fit_print_contents (hdr);
1177 imls, 1, 1, do_imls,
1178 "list all images found in flash",
1180 " - Prints information about all images found at sector\n"
1181 " boundaries in flash."
1185 /*******************************************************************/
1186 /* helper routines */
1187 /*******************************************************************/
1188 #ifdef CONFIG_SILENT_CONSOLE
1189 static void fixup_silent_linux ()
1191 char buf[256], *start, *end;
1192 char *cmdline = getenv ("bootargs");
1194 /* Only fix cmdline when requested */
1195 if (!(gd->flags & GD_FLG_SILENT))
1198 debug ("before silent fix-up: %s\n", cmdline);
1200 if ((start = strstr (cmdline, "console=")) != NULL) {
1201 end = strchr (start, ' ');
1202 strncpy (buf, cmdline, (start - cmdline + 8));
1204 strcpy (buf + (start - cmdline + 8), end);
1206 buf[start - cmdline + 8] = '\0';
1208 strcpy (buf, cmdline);
1209 strcat (buf, " console=");
1212 strcpy (buf, "console=");
1215 setenv ("bootargs", buf);
1216 debug ("after silent fix-up: %s\n", buf);
1218 #endif /* CONFIG_SILENT_CONSOLE */
1221 /*******************************************************************/
1222 /* OS booting routines */
1223 /*******************************************************************/
1225 #ifdef CONFIG_BOOTM_NETBSD
1226 static int do_bootm_netbsd (int flag, int argc, char *argv[],
1227 bootm_headers_t *images)
1229 void (*loader)(bd_t *, image_header_t *, char *, char *);
1230 image_header_t *os_hdr, *hdr;
1231 ulong kernel_data, kernel_len;
1235 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1238 #if defined(CONFIG_FIT)
1239 if (!images->legacy_hdr_valid) {
1240 fit_unsupported_reset ("NetBSD");
1244 hdr = images->legacy_hdr_os;
1247 * Booting a (NetBSD) kernel image
1249 * This process is pretty similar to a standalone application:
1250 * The (first part of an multi-) image must be a stage-2 loader,
1251 * which in turn is responsible for loading & invoking the actual
1252 * kernel. The only differences are the parameters being passed:
1253 * besides the board info strucure, the loader expects a command
1254 * line, the name of the console device, and (optionally) the
1255 * address of the original image header.
1258 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1259 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1265 #if defined (CONFIG_8xx_CONS_SMC1)
1267 #elif defined (CONFIG_8xx_CONS_SMC2)
1269 #elif defined (CONFIG_8xx_CONS_SCC2)
1271 #elif defined (CONFIG_8xx_CONS_SCC3)
1279 for (i = 2, len = 0; i < argc; i += 1)
1280 len += strlen (argv[i]) + 1;
1281 cmdline = malloc (len);
1283 for (i = 2, len = 0; i < argc; i += 1) {
1285 cmdline[len++] = ' ';
1286 strcpy (&cmdline[len], argv[i]);
1287 len += strlen (argv[i]);
1289 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1293 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1295 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1298 show_boot_progress (15);
1301 * NetBSD Stage-2 Loader Parameters:
1302 * r3: ptr to board info data
1304 * r5: console device
1305 * r6: boot args string
1307 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1311 #endif /* CONFIG_BOOTM_NETBSD*/
1313 #ifdef CONFIG_LYNXKDI
1314 static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
1315 bootm_headers_t *images)
1317 image_header_t *hdr = &images->legacy_hdr_os_copy;
1319 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1322 #if defined(CONFIG_FIT)
1323 if (!images->legacy_hdr_valid) {
1324 fit_unsupported_reset ("Lynx");
1329 lynxkdi_boot ((image_header_t *)hdr);
1333 #endif /* CONFIG_LYNXKDI */
1335 #ifdef CONFIG_BOOTM_RTEMS
1336 static int do_bootm_rtems (int flag, int argc, char *argv[],
1337 bootm_headers_t *images)
1339 void (*entry_point)(bd_t *);
1341 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1344 #if defined(CONFIG_FIT)
1345 if (!images->legacy_hdr_valid) {
1346 fit_unsupported_reset ("RTEMS");
1351 entry_point = (void (*)(bd_t *))images->ep;
1353 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1354 (ulong)entry_point);
1356 show_boot_progress (15);
1360 * r3: ptr to board info data
1362 (*entry_point)(gd->bd);
1366 #endif /* CONFIG_BOOTM_RTEMS */
1368 #if defined(CONFIG_CMD_ELF)
1369 static int do_bootm_vxworks (int flag, int argc, char *argv[],
1370 bootm_headers_t *images)
1374 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1377 #if defined(CONFIG_FIT)
1378 if (!images->legacy_hdr_valid) {
1379 fit_unsupported_reset ("VxWorks");
1384 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1385 setenv("loadaddr", str);
1386 do_bootvx(NULL, 0, 0, NULL);
1391 static int do_bootm_qnxelf(int flag, int argc, char *argv[],
1392 bootm_headers_t *images)
1394 char *local_args[2];
1397 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1400 #if defined(CONFIG_FIT)
1401 if (!images->legacy_hdr_valid) {
1402 fit_unsupported_reset ("QNX");
1407 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1408 local_args[0] = argv[0];
1409 local_args[1] = str; /* and provide it via the arguments */
1410 do_bootelf(NULL, 0, 2, local_args);
1416 #ifdef CONFIG_INTEGRITY
1417 static int do_bootm_integrity (int flag, int argc, char *argv[],
1418 bootm_headers_t *images)
1420 void (*entry_point)(void);
1422 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1425 #if defined(CONFIG_FIT)
1426 if (!images->legacy_hdr_valid) {
1427 fit_unsupported_reset ("INTEGRITY");
1432 entry_point = (void (*)(void))images->ep;
1434 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1435 (ulong)entry_point);
1437 show_boot_progress (15);
1440 * INTEGRITY Parameters: