2 * (C) Copyright 2000-2006
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,
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 #define _7ZIP_BYTE_DEFINED /* Byte already defined by zlib */
56 #include <lzma/LzmaTypes.h>
57 #include <lzma/LzmaDecode.h>
58 #include <lzma/LzmaTools.h>
59 #endif /* CONFIG_LZMA */
61 DECLARE_GLOBAL_DATA_PTR;
63 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
64 #ifndef CONFIG_SYS_BOOTM_LEN
65 #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
69 extern void bz_internal_error(int);
72 #if defined(CONFIG_CMD_IMI)
73 static int image_info (unsigned long addr);
76 #if defined(CONFIG_CMD_IMLS)
78 extern flash_info_t flash_info[]; /* info for FLASH chips */
79 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
82 #ifdef CONFIG_SILENT_CONSOLE
83 static void fixup_silent_linux (void);
86 static image_header_t *image_get_kernel (ulong img_addr, int verify);
87 #if defined(CONFIG_FIT)
88 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
91 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
92 bootm_headers_t *images, ulong *os_data, ulong *os_len);
93 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
96 * Continue booting an OS image; caller already has:
97 * - copied image header to global variable `header'
98 * - checked header magic number, checksums (both header & image),
99 * - verified image architecture (PPC) and type (KERNEL or MULTI),
100 * - loaded (first part of) image to header load address,
101 * - disabled interrupts.
103 typedef int boot_os_fn (int flag, int argc, char *argv[],
104 bootm_headers_t *images); /* pointers to os/initrd/fdt */
106 #define CONFIG_BOOTM_LINUX 1
107 #define CONFIG_BOOTM_NETBSD 1
108 #define CONFIG_BOOTM_RTEMS 1
110 #ifdef CONFIG_BOOTM_LINUX
111 extern boot_os_fn do_bootm_linux;
113 #ifdef CONFIG_BOOTM_NETBSD
114 static boot_os_fn do_bootm_netbsd;
116 #if defined(CONFIG_LYNXKDI)
117 static boot_os_fn do_bootm_lynxkdi;
118 extern void lynxkdi_boot (image_header_t *);
120 #ifdef CONFIG_BOOTM_RTEMS
121 static boot_os_fn do_bootm_rtems;
123 #if defined(CONFIG_CMD_ELF)
124 static boot_os_fn do_bootm_vxworks;
125 static boot_os_fn do_bootm_qnxelf;
126 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
127 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
129 #if defined(CONFIG_INTEGRITY)
130 static boot_os_fn do_bootm_integrity;
133 boot_os_fn * boot_os[] = {
134 #ifdef CONFIG_BOOTM_LINUX
135 [IH_OS_LINUX] = do_bootm_linux,
137 #ifdef CONFIG_BOOTM_NETBSD
138 [IH_OS_NETBSD] = do_bootm_netbsd,
140 #ifdef CONFIG_LYNXKDI
141 [IH_OS_LYNXOS] = do_bootm_lynxkdi,
143 #ifdef CONFIG_BOOTM_RTEMS
144 [IH_OS_RTEMS] = do_bootm_rtems,
146 #if defined(CONFIG_CMD_ELF)
147 [IH_OS_VXWORKS] = do_bootm_vxworks,
148 [IH_OS_QNX] = do_bootm_qnxelf,
150 #ifdef CONFIG_INTEGRITY
151 [IH_OS_INTEGRITY] = do_bootm_integrity,
155 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
156 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
158 void __board_lmb_reserve(struct lmb *lmb)
160 /* please define platform specific board_lmb_reserve() */
162 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
164 void __arch_lmb_reserve(struct lmb *lmb)
166 /* please define platform specific arch_lmb_reserve() */
168 void arch_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__arch_lmb_reserve")));
171 #define IH_INITRD_ARCH IH_ARCH_ARM
172 #elif defined(__avr32__)
173 #define IH_INITRD_ARCH IH_ARCH_AVR32
174 #elif defined(__bfin__)
175 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
176 #elif defined(__I386__)
177 #define IH_INITRD_ARCH IH_ARCH_I386
178 #elif defined(__M68K__)
179 #define IH_INITRD_ARCH IH_ARCH_M68K
180 #elif defined(__microblaze__)
181 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
182 #elif defined(__mips__)
183 #define IH_INITRD_ARCH IH_ARCH_MIPS
184 #elif defined(__nios__)
185 #define IH_INITRD_ARCH IH_ARCH_NIOS
186 #elif defined(__nios2__)
187 #define IH_INITRD_ARCH IH_ARCH_NIOS2
188 #elif defined(__PPC__)
189 #define IH_INITRD_ARCH IH_ARCH_PPC
190 #elif defined(__sh__)
191 #define IH_INITRD_ARCH IH_ARCH_SH
192 #elif defined(__sparc__)
193 #define IH_INITRD_ARCH IH_ARCH_SPARC
195 # error Unknown CPU type
198 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
201 phys_size_t mem_size;
205 memset ((void *)&images, 0, sizeof (images));
206 images.verify = getenv_yesno ("verify");
208 lmb_init(&images.lmb);
210 mem_start = getenv_bootm_low();
211 mem_size = getenv_bootm_size();
213 lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
215 arch_lmb_reserve(&images.lmb);
216 board_lmb_reserve(&images.lmb);
218 /* get kernel image header, start address and length */
219 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
220 &images, &images.os.image_start, &images.os.image_len);
221 if (images.os.image_len == 0) {
222 puts ("ERROR: can't get kernel image!\n");
226 /* get image parameters */
227 switch (genimg_get_format (os_hdr)) {
228 case IMAGE_FORMAT_LEGACY:
229 images.os.type = image_get_type (os_hdr);
230 images.os.comp = image_get_comp (os_hdr);
231 images.os.os = image_get_os (os_hdr);
233 images.os.end = image_get_image_end (os_hdr);
234 images.os.load = image_get_load (os_hdr);
236 #if defined(CONFIG_FIT)
237 case IMAGE_FORMAT_FIT:
238 if (fit_image_get_type (images.fit_hdr_os,
239 images.fit_noffset_os, &images.os.type)) {
240 puts ("Can't get image type!\n");
241 show_boot_progress (-109);
245 if (fit_image_get_comp (images.fit_hdr_os,
246 images.fit_noffset_os, &images.os.comp)) {
247 puts ("Can't get image compression!\n");
248 show_boot_progress (-110);
252 if (fit_image_get_os (images.fit_hdr_os,
253 images.fit_noffset_os, &images.os.os)) {
254 puts ("Can't get image OS!\n");
255 show_boot_progress (-111);
259 images.os.end = fit_get_end (images.fit_hdr_os);
261 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
263 puts ("Can't get image load address!\n");
264 show_boot_progress (-112);
270 puts ("ERROR: unknown image format type!\n");
274 /* find kernel entry point */
275 if (images.legacy_hdr_valid) {
276 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
277 #if defined(CONFIG_FIT)
278 } else if (images.fit_uname_os) {
279 ret = fit_image_get_entry (images.fit_hdr_os,
280 images.fit_noffset_os, &images.ep);
282 puts ("Can't get entry point property!\n");
287 puts ("Could not find kernel entry point!\n");
291 if (images.os.os == IH_OS_LINUX) {
293 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
294 &images.rd_start, &images.rd_end);
296 puts ("Ramdisk image is corrupt or invalid\n");
300 #if defined(CONFIG_OF_LIBFDT)
301 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
302 /* find flattened device tree */
303 ret = boot_get_fdt (flag, argc, argv, &images,
304 &images.ft_addr, &images.ft_len);
306 puts ("Could not find a valid device tree\n");
310 set_working_fdt_addr(images.ft_addr);
315 images.os.start = (ulong)os_hdr;
316 images.state = BOOTM_STATE_START;
321 #define BOOTM_ERR_RESET -1
322 #define BOOTM_ERR_OVERLAP -2
323 #define BOOTM_ERR_UNIMPLEMENTED -3
324 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
326 uint8_t comp = os.comp;
327 ulong load = os.load;
328 ulong blob_start = os.start;
329 ulong blob_end = os.end;
330 ulong image_start = os.image_start;
331 ulong image_len = os.image_len;
332 uint unc_len = CONFIG_SYS_BOOTM_LEN;
334 const char *type_name = genimg_get_type_name (os.type);
338 if (load == blob_start) {
339 printf (" XIP %s ... ", type_name);
341 printf (" Loading %s ... ", type_name);
343 memmove_wd ((void *)load,
344 (void *)image_start, image_len, CHUNKSZ);
346 *load_end = load + image_len;
350 printf (" Uncompressing %s ... ", type_name);
351 if (gunzip ((void *)load, unc_len,
352 (uchar *)image_start, &image_len) != 0) {
353 puts ("GUNZIP: uncompress, out-of-mem or overwrite error "
354 "- must RESET board to recover\n");
356 show_boot_progress (-6);
357 return BOOTM_ERR_RESET;
360 *load_end = load + image_len;
364 printf (" Uncompressing %s ... ", type_name);
366 * If we've got less than 4 MB of malloc() space,
367 * use slower decompression algorithm which requires
368 * at most 2300 KB of memory.
370 int i = BZ2_bzBuffToBuffDecompress ((char*)load,
371 &unc_len, (char *)image_start, image_len,
372 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
374 printf ("BUNZIP2: uncompress or overwrite error %d "
375 "- must RESET board to recover\n", i);
377 show_boot_progress (-6);
378 return BOOTM_ERR_RESET;
381 *load_end = load + unc_len;
383 #endif /* CONFIG_BZIP2 */
386 printf (" Uncompressing %s ... ", type_name);
388 int ret = lzmaBuffToBuffDecompress(
389 (unsigned char *)load, &unc_len,
390 (unsigned char *)image_start, image_len);
391 if (ret != LZMA_RESULT_OK) {
392 printf ("LZMA: uncompress or overwrite error %d "
393 "- must RESET board to recover\n", ret);
394 show_boot_progress (-6);
395 return BOOTM_ERR_RESET;
397 *load_end = load + unc_len;
399 #endif /* CONFIG_LZMA */
401 printf ("Unimplemented compression type %d\n", comp);
402 return BOOTM_ERR_UNIMPLEMENTED;
405 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
407 show_boot_progress (7);
409 if ((load < blob_end) && (*load_end > blob_start)) {
410 debug ("images.os.start = 0x%lX, images.os.end = 0x%lx\n", blob_start, blob_end);
411 debug ("images.os.load = 0x%lx, load_end = 0x%lx\n", load, *load_end);
413 return BOOTM_ERR_OVERLAP;
419 /* we overload the cmd field with our state machine info instead of a
420 * function pointer */
421 cmd_tbl_t cmd_bootm_sub[] = {
422 U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
423 U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
424 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
425 U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
427 #ifdef CONFIG_OF_LIBFDT
428 U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
430 U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
431 U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
432 U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
433 U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
436 int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
443 c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
448 /* treat start special since it resets the state machine */
449 if (state == BOOTM_STATE_START) {
452 return bootm_start(cmdtp, flag, argc, argv);
455 /* Unrecognized command */
461 if (images.state >= state) {
462 printf ("Trying to execute a command out of order\n");
467 images.state |= state;
468 boot_fn = boot_os[images.os.os];
472 case BOOTM_STATE_START:
473 /* should never occur */
475 case BOOTM_STATE_LOADOS:
476 ret = bootm_load_os(images.os, &load_end, 0);
480 lmb_reserve(&images.lmb, images.os.load,
481 (load_end - images.os.load));
483 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
484 case BOOTM_STATE_RAMDISK:
486 ulong rd_len = images.rd_end - images.rd_start;
489 ret = boot_ramdisk_high(&images.lmb, images.rd_start,
490 rd_len, &images.initrd_start, &images.initrd_end);
494 sprintf(str, "%lx", images.initrd_start);
495 setenv("initrd_start", str);
496 sprintf(str, "%lx", images.initrd_end);
497 setenv("initrd_end", str);
501 #ifdef CONFIG_OF_LIBFDT
502 case BOOTM_STATE_FDT:
504 ulong bootmap_base = getenv_bootm_low();
505 ret = boot_relocate_fdt(&images.lmb, bootmap_base,
506 &images.ft_addr, &images.ft_len);
510 case BOOTM_STATE_OS_CMDLINE:
511 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
513 printf ("cmdline subcommand not supported\n");
515 case BOOTM_STATE_OS_BD_T:
516 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
518 printf ("bdt subcommand not supported\n");
520 case BOOTM_STATE_OS_PREP:
521 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
523 printf ("prep subcommand not supported\n");
525 case BOOTM_STATE_OS_GO:
526 disable_interrupts();
527 boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
534 /*******************************************************************/
535 /* bootm - boot application image from image in memory */
536 /*******************************************************************/
537 static int relocated = 0;
539 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
546 /* relocate boot function table */
549 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
550 boot_os[i] += gd->reloc_off;
554 /* determine if we have a sub command */
558 simple_strtoul(argv[1], &endp, 16);
559 /* endp pointing to NULL means that argv[1] was just a
560 * valid number, pass it along to the normal bootm processing
562 * If endp is ':' or '#' assume a FIT identifier so pass
563 * along for normal processing.
565 * Right now we assume the first arg should never be '-'
567 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
568 return do_bootm_subcommand(cmdtp, flag, argc, argv);
571 if (bootm_start(cmdtp, flag, argc, argv))
575 * We have reached the point of no return: we are going to
576 * overwrite all exception vector code, so we cannot easily
577 * recover from any failures any more...
579 iflag = disable_interrupts();
581 #if defined(CONFIG_CMD_USB)
583 * turn off USB to prevent the host controller from writing to the
584 * SDRAM while Linux is booting. This could happen (at least for OHCI
585 * controller), because the HCCA (Host Controller Communication Area)
586 * lies within the SDRAM and the host controller writes continously to
587 * this area (as busmaster!). The HccaFrameNumber is for example
588 * updated every 1 ms within the HCCA structure in SDRAM! For more
589 * details see the OpenHCI specification.
594 #ifdef CONFIG_AMIGAONEG3SE
596 * We've possible left the caches enabled during
597 * bios emulation, so turn them off again
603 ret = bootm_load_os(images.os, &load_end, 1);
606 if (ret == BOOTM_ERR_RESET)
607 do_reset (cmdtp, flag, argc, argv);
608 if (ret == BOOTM_ERR_OVERLAP) {
609 if (images.legacy_hdr_valid) {
610 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
611 puts ("WARNING: legacy format multi component "
612 "image overwritten\n");
614 puts ("ERROR: new format image overwritten - "
615 "must RESET the board to recover\n");
616 show_boot_progress (-113);
617 do_reset (cmdtp, flag, argc, argv);
620 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
623 show_boot_progress (-7);
628 lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
630 show_boot_progress (8);
632 #ifdef CONFIG_SILENT_CONSOLE
633 if (images.os.os == IH_OS_LINUX)
634 fixup_silent_linux();
637 boot_fn = boot_os[images.os.os];
638 boot_fn(0, argc, argv, &images);
640 show_boot_progress (-9);
642 puts ("\n## Control returned to monitor - resetting...\n");
644 do_reset (cmdtp, flag, argc, argv);
650 * image_get_kernel - verify legacy format kernel image
651 * @img_addr: in RAM address of the legacy format image to be verified
652 * @verify: data CRC verification flag
654 * image_get_kernel() verifies legacy image integrity and returns pointer to
655 * legacy image header if image verification was completed successfully.
658 * pointer to a legacy image header if valid image was found
659 * otherwise return NULL
661 static image_header_t *image_get_kernel (ulong img_addr, int verify)
663 image_header_t *hdr = (image_header_t *)img_addr;
665 if (!image_check_magic(hdr)) {
666 puts ("Bad Magic Number\n");
667 show_boot_progress (-1);
670 show_boot_progress (2);
672 if (!image_check_hcrc (hdr)) {
673 puts ("Bad Header Checksum\n");
674 show_boot_progress (-2);
678 show_boot_progress (3);
679 image_print_contents (hdr);
682 puts (" Verifying Checksum ... ");
683 if (!image_check_dcrc (hdr)) {
684 printf ("Bad Data CRC\n");
685 show_boot_progress (-3);
690 show_boot_progress (4);
692 if (!image_check_target_arch (hdr)) {
693 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
694 show_boot_progress (-4);
701 * fit_check_kernel - verify FIT format kernel subimage
702 * @fit_hdr: pointer to the FIT image header
703 * os_noffset: kernel subimage node offset within FIT image
704 * @verify: data CRC verification flag
706 * fit_check_kernel() verifies integrity of the kernel subimage and from
707 * specified FIT image.
713 #if defined (CONFIG_FIT)
714 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
716 fit_image_print (fit, os_noffset, " ");
719 puts (" Verifying Hash Integrity ... ");
720 if (!fit_image_check_hashes (fit, os_noffset)) {
721 puts ("Bad Data Hash\n");
722 show_boot_progress (-104);
727 show_boot_progress (105);
729 if (!fit_image_check_target_arch (fit, os_noffset)) {
730 puts ("Unsupported Architecture\n");
731 show_boot_progress (-105);
735 show_boot_progress (106);
736 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
737 puts ("Not a kernel image\n");
738 show_boot_progress (-106);
742 show_boot_progress (107);
745 #endif /* CONFIG_FIT */
748 * boot_get_kernel - find kernel image
749 * @os_data: pointer to a ulong variable, will hold os data start address
750 * @os_len: pointer to a ulong variable, will hold os data length
752 * boot_get_kernel() tries to find a kernel image, verifies its integrity
753 * and locates kernel data.
756 * pointer to image header if valid image was found, plus kernel start
757 * address and length, otherwise NULL
759 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
760 bootm_headers_t *images, ulong *os_data, ulong *os_len)
764 #if defined(CONFIG_FIT)
766 const char *fit_uname_config = NULL;
767 const char *fit_uname_kernel = NULL;
774 /* find out kernel image address */
776 img_addr = load_addr;
777 debug ("* kernel: default image load address = 0x%08lx\n",
779 #if defined(CONFIG_FIT)
780 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
781 &fit_uname_config)) {
782 debug ("* kernel: config '%s' from image at 0x%08lx\n",
783 fit_uname_config, img_addr);
784 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
785 &fit_uname_kernel)) {
786 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
787 fit_uname_kernel, img_addr);
790 img_addr = simple_strtoul(argv[1], NULL, 16);
791 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
794 show_boot_progress (1);
796 /* copy from dataflash if needed */
797 img_addr = genimg_get_image (img_addr);
799 /* check image type, for FIT images get FIT kernel node */
800 *os_data = *os_len = 0;
801 switch (genimg_get_format ((void *)img_addr)) {
802 case IMAGE_FORMAT_LEGACY:
803 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
805 hdr = image_get_kernel (img_addr, images->verify);
808 show_boot_progress (5);
810 /* get os_data and os_len */
811 switch (image_get_type (hdr)) {
813 *os_data = image_get_data (hdr);
814 *os_len = image_get_data_size (hdr);
817 image_multi_getimg (hdr, 0, os_data, os_len);
820 printf ("Wrong Image Type for %s command\n", cmdtp->name);
821 show_boot_progress (-5);
826 * copy image header to allow for image overwrites during kernel
829 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
831 /* save pointer to image header */
832 images->legacy_hdr_os = hdr;
834 images->legacy_hdr_valid = 1;
835 show_boot_progress (6);
837 #if defined(CONFIG_FIT)
838 case IMAGE_FORMAT_FIT:
839 fit_hdr = (void *)img_addr;
840 printf ("## Booting kernel from FIT Image at %08lx ...\n",
843 if (!fit_check_format (fit_hdr)) {
844 puts ("Bad FIT kernel image format!\n");
845 show_boot_progress (-100);
848 show_boot_progress (100);
850 if (!fit_uname_kernel) {
852 * no kernel image node unit name, try to get config
853 * node first. If config unit node name is NULL
854 * fit_conf_get_node() will try to find default config node
856 show_boot_progress (101);
857 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
858 if (cfg_noffset < 0) {
859 show_boot_progress (-101);
862 /* save configuration uname provided in the first
865 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
866 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
867 show_boot_progress (103);
869 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
870 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
872 /* get kernel component image node offset */
873 show_boot_progress (102);
874 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
876 if (os_noffset < 0) {
877 show_boot_progress (-103);
881 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
883 show_boot_progress (104);
884 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
887 /* get kernel image data address and length */
888 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
889 puts ("Could not find kernel subimage data!\n");
890 show_boot_progress (-107);
893 show_boot_progress (108);
896 *os_data = (ulong)data;
897 images->fit_hdr_os = fit_hdr;
898 images->fit_uname_os = fit_uname_kernel;
899 images->fit_noffset_os = os_noffset;
903 printf ("Wrong Image Format for %s command\n", cmdtp->name);
904 show_boot_progress (-108);
908 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
909 *os_data, *os_len, *os_len);
911 return (void *)img_addr;
915 bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
916 "boot application image from memory",
917 "[addr [arg ...]]\n - boot application image stored in memory\n"
918 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
919 "\t'arg' can be the address of an initrd image\n"
920 #if defined(CONFIG_OF_LIBFDT)
921 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
922 "\ta third argument is required which is the address of the\n"
923 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
924 "\tuse a '-' for the second argument. If you do not pass a third\n"
925 "\ta bd_info struct will be passed instead\n"
927 #if defined(CONFIG_FIT)
928 "\t\nFor the new multi component uImage format (FIT) addresses\n"
929 "\tmust be extened to include component or configuration unit name:\n"
930 "\taddr:<subimg_uname> - direct component image specification\n"
931 "\taddr#<conf_uname> - configuration specification\n"
932 "\tUse iminfo command to get the list of existing component\n"
933 "\timages and configurations.\n"
935 "\nSub-commands to do part of the bootm sequence. The sub-commands "
937 "issued in the order below (it's ok to not issue all sub-commands):\n"
938 "\tstart [addr [arg ...]]\n"
939 "\tloados - load OS image\n"
940 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
941 "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
943 #if defined(CONFIG_OF_LIBFDT)
944 "\tfdt - relocate flat device tree\n"
946 "\tbdt - OS specific bd_t processing\n"
947 "\tcmdline - OS specific command line processing/setup\n"
948 "\tprep - OS specific prep before relocation or go\n"
952 /*******************************************************************/
953 /* bootd - boot default image */
954 /*******************************************************************/
955 #if defined(CONFIG_CMD_BOOTD)
956 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
960 #ifndef CONFIG_SYS_HUSH_PARSER
961 if (run_command (getenv ("bootcmd"), flag) < 0)
964 if (parse_string_outer (getenv ("bootcmd"),
965 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
972 boot, 1, 1, do_bootd,
973 "boot default, i.e., run 'bootcmd'",
977 /* keep old command name "bootd" for backward compatibility */
979 bootd, 1, 1, do_bootd,
980 "boot default, i.e., run 'bootcmd'",
987 /*******************************************************************/
988 /* iminfo - print header info for a requested image */
989 /*******************************************************************/
990 #if defined(CONFIG_CMD_IMI)
991 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
998 return image_info (load_addr);
1001 for (arg = 1; arg < argc; ++arg) {
1002 addr = simple_strtoul (argv[arg], NULL, 16);
1003 if (image_info (addr) != 0)
1009 static int image_info (ulong addr)
1011 void *hdr = (void *)addr;
1013 printf ("\n## Checking Image at %08lx ...\n", addr);
1015 switch (genimg_get_format (hdr)) {
1016 case IMAGE_FORMAT_LEGACY:
1017 puts (" Legacy image found\n");
1018 if (!image_check_magic (hdr)) {
1019 puts (" Bad Magic Number\n");
1023 if (!image_check_hcrc (hdr)) {
1024 puts (" Bad Header Checksum\n");
1028 image_print_contents (hdr);
1030 puts (" Verifying Checksum ... ");
1031 if (!image_check_dcrc (hdr)) {
1032 puts (" Bad Data CRC\n");
1037 #if defined(CONFIG_FIT)
1038 case IMAGE_FORMAT_FIT:
1039 puts (" FIT image found\n");
1041 if (!fit_check_format (hdr)) {
1042 puts ("Bad FIT image format!\n");
1046 fit_print_contents (hdr);
1048 if (!fit_all_image_check_hashes (hdr)) {
1049 puts ("Bad hash in FIT image!\n");
1056 puts ("Unknown image format!\n");
1064 iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
1065 "print header information for application image",
1067 " - print header information for application image starting at\n"
1068 " address 'addr' in memory; this includes verification of the\n"
1069 " image contents (magic number, header and payload checksums)\n"
1074 /*******************************************************************/
1075 /* imls - list all images found in flash */
1076 /*******************************************************************/
1077 #if defined(CONFIG_CMD_IMLS)
1078 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1084 for (i = 0, info = &flash_info[0];
1085 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1087 if (info->flash_id == FLASH_UNKNOWN)
1089 for (j = 0; j < info->sector_count; ++j) {
1091 hdr = (void *)info->start[j];
1095 switch (genimg_get_format (hdr)) {
1096 case IMAGE_FORMAT_LEGACY:
1097 if (!image_check_hcrc (hdr))
1100 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
1101 image_print_contents (hdr);
1103 puts (" Verifying Checksum ... ");
1104 if (!image_check_dcrc (hdr)) {
1105 puts ("Bad Data CRC\n");
1110 #if defined(CONFIG_FIT)
1111 case IMAGE_FORMAT_FIT:
1112 if (!fit_check_format (hdr))
1115 printf ("FIT Image at %08lX:\n", (ulong)hdr);
1116 fit_print_contents (hdr);
1132 imls, 1, 1, do_imls,
1133 "list all images found in flash",
1135 " - Prints information about all images found at sector\n"
1136 " boundaries in flash.\n"
1140 /*******************************************************************/
1141 /* helper routines */
1142 /*******************************************************************/
1143 #ifdef CONFIG_SILENT_CONSOLE
1144 static void fixup_silent_linux ()
1146 char buf[256], *start, *end;
1147 char *cmdline = getenv ("bootargs");
1149 /* Only fix cmdline when requested */
1150 if (!(gd->flags & GD_FLG_SILENT))
1153 debug ("before silent fix-up: %s\n", cmdline);
1155 if ((start = strstr (cmdline, "console=")) != NULL) {
1156 end = strchr (start, ' ');
1157 strncpy (buf, cmdline, (start - cmdline + 8));
1159 strcpy (buf + (start - cmdline + 8), end);
1161 buf[start - cmdline + 8] = '\0';
1163 strcpy (buf, cmdline);
1164 strcat (buf, " console=");
1167 strcpy (buf, "console=");
1170 setenv ("bootargs", buf);
1171 debug ("after silent fix-up: %s\n", buf);
1173 #endif /* CONFIG_SILENT_CONSOLE */
1176 /*******************************************************************/
1177 /* OS booting routines */
1178 /*******************************************************************/
1180 #ifdef CONFIG_BOOTM_NETBSD
1181 static int do_bootm_netbsd (int flag, int argc, char *argv[],
1182 bootm_headers_t *images)
1184 void (*loader)(bd_t *, image_header_t *, char *, char *);
1185 image_header_t *os_hdr, *hdr;
1186 ulong kernel_data, kernel_len;
1190 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1193 #if defined(CONFIG_FIT)
1194 if (!images->legacy_hdr_valid) {
1195 fit_unsupported_reset ("NetBSD");
1199 hdr = images->legacy_hdr_os;
1202 * Booting a (NetBSD) kernel image
1204 * This process is pretty similar to a standalone application:
1205 * The (first part of an multi-) image must be a stage-2 loader,
1206 * which in turn is responsible for loading & invoking the actual
1207 * kernel. The only differences are the parameters being passed:
1208 * besides the board info strucure, the loader expects a command
1209 * line, the name of the console device, and (optionally) the
1210 * address of the original image header.
1213 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1214 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
1220 #if defined (CONFIG_8xx_CONS_SMC1)
1222 #elif defined (CONFIG_8xx_CONS_SMC2)
1224 #elif defined (CONFIG_8xx_CONS_SCC2)
1226 #elif defined (CONFIG_8xx_CONS_SCC3)
1234 for (i = 2, len = 0; i < argc; i += 1)
1235 len += strlen (argv[i]) + 1;
1236 cmdline = malloc (len);
1238 for (i = 2, len = 0; i < argc; i += 1) {
1240 cmdline[len++] = ' ';
1241 strcpy (&cmdline[len], argv[i]);
1242 len += strlen (argv[i]);
1244 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1248 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1250 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1253 show_boot_progress (15);
1256 * NetBSD Stage-2 Loader Parameters:
1257 * r3: ptr to board info data
1259 * r5: console device
1260 * r6: boot args string
1262 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1266 #endif /* CONFIG_BOOTM_NETBSD*/
1268 #ifdef CONFIG_LYNXKDI
1269 static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
1270 bootm_headers_t *images)
1272 image_header_t *hdr = &images->legacy_hdr_os_copy;
1274 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1277 #if defined(CONFIG_FIT)
1278 if (!images->legacy_hdr_valid) {
1279 fit_unsupported_reset ("Lynx");
1284 lynxkdi_boot ((image_header_t *)hdr);
1288 #endif /* CONFIG_LYNXKDI */
1290 #ifdef CONFIG_BOOTM_RTEMS
1291 static int do_bootm_rtems (int flag, int argc, char *argv[],
1292 bootm_headers_t *images)
1294 void (*entry_point)(bd_t *);
1296 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1299 #if defined(CONFIG_FIT)
1300 if (!images->legacy_hdr_valid) {
1301 fit_unsupported_reset ("RTEMS");
1306 entry_point = (void (*)(bd_t *))images->ep;
1308 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1309 (ulong)entry_point);
1311 show_boot_progress (15);
1315 * r3: ptr to board info data
1317 (*entry_point)(gd->bd);
1321 #endif /* CONFIG_BOOTM_RTEMS */
1323 #if defined(CONFIG_CMD_ELF)
1324 static int do_bootm_vxworks (int flag, int argc, char *argv[],
1325 bootm_headers_t *images)
1329 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1332 #if defined(CONFIG_FIT)
1333 if (!images->legacy_hdr_valid) {
1334 fit_unsupported_reset ("VxWorks");
1339 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1340 setenv("loadaddr", str);
1341 do_bootvx(NULL, 0, 0, NULL);
1346 static int do_bootm_qnxelf(int flag, int argc, char *argv[],
1347 bootm_headers_t *images)
1349 char *local_args[2];
1352 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1355 #if defined(CONFIG_FIT)
1356 if (!images->legacy_hdr_valid) {
1357 fit_unsupported_reset ("QNX");
1362 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1363 local_args[0] = argv[0];
1364 local_args[1] = str; /* and provide it via the arguments */
1365 do_bootelf(NULL, 0, 2, local_args);
1371 #ifdef CONFIG_INTEGRITY
1372 static int do_bootm_integrity (int flag, int argc, char *argv[],
1373 bootm_headers_t *images)
1375 void (*entry_point)(void);
1377 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1380 #if defined(CONFIG_FIT)
1381 if (!images->legacy_hdr_valid) {
1382 fit_unsupported_reset ("INTEGRITY");
1387 entry_point = (void (*)(void))images->ep;
1389 printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1390 (ulong)entry_point);
1392 show_boot_progress (15);
1395 * INTEGRITY Parameters: