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 <asm/byteorder.h>
39 #if defined(CONFIG_CMD_USB)
43 #ifdef CFG_HUSH_PARSER
47 DECLARE_GLOBAL_DATA_PTR;
49 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
51 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
55 extern void bz_internal_error(int);
58 #if defined(CONFIG_CMD_IMI)
59 static int image_info (unsigned long addr);
62 #if defined(CONFIG_CMD_IMLS)
64 extern flash_info_t flash_info[]; /* info for FLASH chips */
65 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
68 #ifdef CONFIG_SILENT_CONSOLE
69 static void fixup_silent_linux (void);
72 static image_header_t *image_get_kernel (ulong img_addr, int verify);
73 #if defined(CONFIG_FIT)
74 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
77 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
78 bootm_headers_t *images, ulong *os_data, ulong *os_len);
79 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
82 * Continue booting an OS image; caller already has:
83 * - copied image header to global variable `header'
84 * - checked header magic number, checksums (both header & image),
85 * - verified image architecture (PPC) and type (KERNEL or MULTI),
86 * - loaded (first part of) image to header load address,
87 * - disabled interrupts.
89 typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
90 int argc, char *argv[],
91 bootm_headers_t *images); /* pointers to os/initrd/fdt */
93 extern boot_os_fn do_bootm_linux;
94 static boot_os_fn do_bootm_netbsd;
95 #if defined(CONFIG_LYNXKDI)
96 static boot_os_fn do_bootm_lynxkdi;
97 extern void lynxkdi_boot (image_header_t *);
99 static boot_os_fn do_bootm_rtems;
100 #if defined(CONFIG_CMD_ELF)
101 static boot_os_fn do_bootm_vxworks;
102 static boot_os_fn do_bootm_qnxelf;
103 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
104 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
106 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
107 static boot_os_fn do_bootm_artos;
110 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
111 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
113 void __board_lmb_reserve(struct lmb *lmb)
115 /* please define platform specific board_lmb_reserve() */
117 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
120 #define IH_INITRD_ARCH IH_ARCH_ARM
121 #elif defined(__avr32__)
122 #define IH_INITRD_ARCH IH_ARCH_AVR32
123 #elif defined(__bfin__)
124 #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
125 #elif defined(__I386__)
126 #define IH_INITRD_ARCH IH_ARCH_I386
127 #elif defined(__M68K__)
128 #define IH_INITRD_ARCH IH_ARCH_M68K
129 #elif defined(__microblaze__)
130 #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
131 #elif defined(__mips__)
132 #define IH_INITRD_ARCH IH_ARCH_MIPS
133 #elif defined(__nios__)
134 #define IH_INITRD_ARCH IH_ARCH_NIOS
135 #elif defined(__nios2__)
136 #define IH_INITRD_ARCH IH_ARCH_NIOS2
137 #elif defined(__PPC__)
138 #define IH_INITRD_ARCH IH_ARCH_PPC
139 #elif defined(__sh__)
140 #define IH_INITRD_ARCH IH_ARCH_SH
141 #elif defined(__sparc__)
142 #define IH_INITRD_ARCH IH_ARCH_SPARC
144 # error Unknown CPU type
147 /*******************************************************************/
148 /* bootm - boot application image from image in memory */
149 /*******************************************************************/
150 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
153 const char *type_name;
154 uint unc_len = CFG_BOOTM_LEN;
155 uint8_t comp, type, os;
158 ulong os_data, os_len;
159 ulong image_start, image_end;
160 ulong load_start, load_end;
162 phys_size_t mem_size;
167 memset ((void *)&images, 0, sizeof (images));
168 images.verify = getenv_yesno ("verify");
173 mem_start = getenv_bootm_low();
174 mem_size = getenv_bootm_size();
176 lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);
178 board_lmb_reserve(&lmb);
180 /* get kernel image header, start address and length */
181 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
182 &images, &os_data, &os_len);
184 puts ("ERROR: can't get kernel image!\n");
188 /* get image parameters */
189 switch (genimg_get_format (os_hdr)) {
190 case IMAGE_FORMAT_LEGACY:
191 type = image_get_type (os_hdr);
192 comp = image_get_comp (os_hdr);
193 os = image_get_os (os_hdr);
195 image_end = image_get_image_end (os_hdr);
196 load_start = image_get_load (os_hdr);
198 #if defined(CONFIG_FIT)
199 case IMAGE_FORMAT_FIT:
200 if (fit_image_get_type (images.fit_hdr_os,
201 images.fit_noffset_os, &type)) {
202 puts ("Can't get image type!\n");
203 show_boot_progress (-109);
207 if (fit_image_get_comp (images.fit_hdr_os,
208 images.fit_noffset_os, &comp)) {
209 puts ("Can't get image compression!\n");
210 show_boot_progress (-110);
214 if (fit_image_get_os (images.fit_hdr_os,
215 images.fit_noffset_os, &os)) {
216 puts ("Can't get image OS!\n");
217 show_boot_progress (-111);
221 image_end = fit_get_end (images.fit_hdr_os);
223 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
225 puts ("Can't get image load address!\n");
226 show_boot_progress (-112);
232 puts ("ERROR: unknown image format type!\n");
236 /* find kernel entry point */
237 if (images.legacy_hdr_valid) {
238 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
239 #if defined(CONFIG_FIT)
240 } else if (images.fit_uname_os) {
241 ret = fit_image_get_entry (images.fit_hdr_os,
242 images.fit_noffset_os, &images.ep);
244 puts ("Can't get entry point property!\n");
249 puts ("Could not find kernel entry point!\n");
253 if (os == IH_OS_LINUX) {
255 ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
256 &images.rd_start, &images.rd_end);
258 puts ("Ramdisk image is corrupt\n");
263 image_start = (ulong)os_hdr;
265 type_name = genimg_get_type_name (type);
268 * We have reached the point of no return: we are going to
269 * overwrite all exception vector code, so we cannot easily
270 * recover from any failures any more...
272 iflag = disable_interrupts();
274 #if defined(CONFIG_CMD_USB)
276 * turn off USB to prevent the host controller from writing to the
277 * SDRAM while Linux is booting. This could happen (at least for OHCI
278 * controller), because the HCCA (Host Controller Communication Area)
279 * lies within the SDRAM and the host controller writes continously to
280 * this area (as busmaster!). The HccaFrameNumber is for example
281 * updated every 1 ms within the HCCA structure in SDRAM! For more
282 * details see the OpenHCI specification.
288 #ifdef CONFIG_AMIGAONEG3SE
290 * We've possible left the caches enabled during
291 * bios emulation, so turn them off again
299 if (load_start == (ulong)os_hdr) {
300 printf (" XIP %s ... ", type_name);
302 printf (" Loading %s ... ", type_name);
304 memmove_wd ((void *)load_start,
305 (void *)os_data, os_len, CHUNKSZ);
307 load_end = load_start + os_len;
311 printf (" Uncompressing %s ... ", type_name);
312 if (gunzip ((void *)load_start, unc_len,
313 (uchar *)os_data, &os_len) != 0) {
314 puts ("GUNZIP: uncompress or overwrite error "
315 "- must RESET board to recover\n");
316 show_boot_progress (-6);
317 do_reset (cmdtp, flag, argc, argv);
320 load_end = load_start + os_len;
324 printf (" Uncompressing %s ... ", type_name);
326 * If we've got less than 4 MB of malloc() space,
327 * use slower decompression algorithm which requires
328 * at most 2300 KB of memory.
330 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
331 &unc_len, (char *)os_data, os_len,
332 CFG_MALLOC_LEN < (4096 * 1024), 0);
334 printf ("BUNZIP2: uncompress or overwrite error %d "
335 "- must RESET board to recover\n", i);
336 show_boot_progress (-6);
337 do_reset (cmdtp, flag, argc, argv);
340 load_end = load_start + unc_len;
342 #endif /* CONFIG_BZIP2 */
346 printf ("Unimplemented compression type %d\n", comp);
347 show_boot_progress (-7);
351 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
352 show_boot_progress (7);
354 if ((load_start < image_end) && (load_end > image_start)) {
355 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
356 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
358 if (images.legacy_hdr_valid) {
359 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
360 puts ("WARNING: legacy format multi component "
361 "image overwritten\n");
363 puts ("ERROR: new format image overwritten - "
364 "must RESET the board to recover\n");
365 show_boot_progress (-113);
366 do_reset (cmdtp, flag, argc, argv);
370 show_boot_progress (8);
372 lmb_reserve(&lmb, load_start, (load_end - load_start));
375 default: /* handled by (original) Linux case */
377 #ifdef CONFIG_SILENT_CONSOLE
378 fixup_silent_linux();
380 do_bootm_linux (cmdtp, flag, argc, argv, &images);
384 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
387 #ifdef CONFIG_LYNXKDI
389 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
394 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
397 #if defined(CONFIG_CMD_ELF)
399 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
403 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
409 do_bootm_artos (cmdtp, flag, argc, argv, &images);
414 show_boot_progress (-9);
416 puts ("\n## Control returned to monitor - resetting...\n");
417 do_reset (cmdtp, flag, argc, argv);
426 * image_get_kernel - verify legacy format kernel image
427 * @img_addr: in RAM address of the legacy format image to be verified
428 * @verify: data CRC verification flag
430 * image_get_kernel() verifies legacy image integrity and returns pointer to
431 * legacy image header if image verification was completed successfully.
434 * pointer to a legacy image header if valid image was found
435 * otherwise return NULL
437 static image_header_t *image_get_kernel (ulong img_addr, int verify)
439 image_header_t *hdr = (image_header_t *)img_addr;
441 if (!image_check_magic(hdr)) {
442 puts ("Bad Magic Number\n");
443 show_boot_progress (-1);
446 show_boot_progress (2);
448 if (!image_check_hcrc (hdr)) {
449 puts ("Bad Header Checksum\n");
450 show_boot_progress (-2);
454 show_boot_progress (3);
455 image_print_contents (hdr);
458 puts (" Verifying Checksum ... ");
459 if (!image_check_dcrc (hdr)) {
460 printf ("Bad Data CRC\n");
461 show_boot_progress (-3);
466 show_boot_progress (4);
468 if (!image_check_target_arch (hdr)) {
469 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
470 show_boot_progress (-4);
477 * fit_check_kernel - verify FIT format kernel subimage
478 * @fit_hdr: pointer to the FIT image header
479 * os_noffset: kernel subimage node offset within FIT image
480 * @verify: data CRC verification flag
482 * fit_check_kernel() verifies integrity of the kernel subimage and from
483 * specified FIT image.
489 #if defined (CONFIG_FIT)
490 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
492 fit_image_print (fit, os_noffset, " ");
495 puts (" Verifying Hash Integrity ... ");
496 if (!fit_image_check_hashes (fit, os_noffset)) {
497 puts ("Bad Data Hash\n");
498 show_boot_progress (-104);
503 show_boot_progress (105);
505 if (!fit_image_check_target_arch (fit, os_noffset)) {
506 puts ("Unsupported Architecture\n");
507 show_boot_progress (-105);
511 show_boot_progress (106);
512 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
513 puts ("Not a kernel image\n");
514 show_boot_progress (-106);
518 show_boot_progress (107);
521 #endif /* CONFIG_FIT */
524 * boot_get_kernel - find kernel image
525 * @os_data: pointer to a ulong variable, will hold os data start address
526 * @os_len: pointer to a ulong variable, will hold os data length
528 * boot_get_kernel() tries to find a kernel image, verifies its integrity
529 * and locates kernel data.
532 * pointer to image header if valid image was found, plus kernel start
533 * address and length, otherwise NULL
535 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
536 bootm_headers_t *images, ulong *os_data, ulong *os_len)
540 #if defined(CONFIG_FIT)
542 const char *fit_uname_config = NULL;
543 const char *fit_uname_kernel = NULL;
550 /* find out kernel image address */
552 img_addr = load_addr;
553 debug ("* kernel: default image load address = 0x%08lx\n",
555 #if defined(CONFIG_FIT)
556 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
557 &fit_uname_config)) {
558 debug ("* kernel: config '%s' from image at 0x%08lx\n",
559 fit_uname_config, img_addr);
560 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
561 &fit_uname_kernel)) {
562 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
563 fit_uname_kernel, img_addr);
566 img_addr = simple_strtoul(argv[1], NULL, 16);
567 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
570 show_boot_progress (1);
572 /* copy from dataflash if needed */
573 img_addr = genimg_get_image (img_addr);
575 /* check image type, for FIT images get FIT kernel node */
576 *os_data = *os_len = 0;
577 switch (genimg_get_format ((void *)img_addr)) {
578 case IMAGE_FORMAT_LEGACY:
579 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
581 hdr = image_get_kernel (img_addr, images->verify);
584 show_boot_progress (5);
586 /* get os_data and os_len */
587 switch (image_get_type (hdr)) {
589 *os_data = image_get_data (hdr);
590 *os_len = image_get_data_size (hdr);
593 image_multi_getimg (hdr, 0, os_data, os_len);
596 printf ("Wrong Image Type for %s command\n", cmdtp->name);
597 show_boot_progress (-5);
602 * copy image header to allow for image overwrites during kernel
605 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
607 /* save pointer to image header */
608 images->legacy_hdr_os = hdr;
610 images->legacy_hdr_valid = 1;
611 show_boot_progress (6);
613 #if defined(CONFIG_FIT)
614 case IMAGE_FORMAT_FIT:
615 fit_hdr = (void *)img_addr;
616 printf ("## Booting kernel from FIT Image at %08lx ...\n",
619 if (!fit_check_format (fit_hdr)) {
620 puts ("Bad FIT kernel image format!\n");
621 show_boot_progress (-100);
624 show_boot_progress (100);
626 if (!fit_uname_kernel) {
628 * no kernel image node unit name, try to get config
629 * node first. If config unit node name is NULL
630 * fit_conf_get_node() will try to find default config node
632 show_boot_progress (101);
633 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
634 if (cfg_noffset < 0) {
635 show_boot_progress (-101);
638 /* save configuration uname provided in the first
641 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
642 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
643 show_boot_progress (103);
645 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
646 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
648 /* get kernel component image node offset */
649 show_boot_progress (102);
650 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
652 if (os_noffset < 0) {
653 show_boot_progress (-103);
657 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
659 show_boot_progress (104);
660 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
663 /* get kernel image data address and length */
664 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
665 puts ("Could not find kernel subimage data!\n");
666 show_boot_progress (-107);
669 show_boot_progress (108);
672 *os_data = (ulong)data;
673 images->fit_hdr_os = fit_hdr;
674 images->fit_uname_os = fit_uname_kernel;
675 images->fit_noffset_os = os_noffset;
679 printf ("Wrong Image Format for %s command\n", cmdtp->name);
680 show_boot_progress (-108);
684 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
685 *os_data, *os_len, *os_len);
687 return (void *)img_addr;
691 bootm, CFG_MAXARGS, 1, do_bootm,
692 "bootm - boot application image from memory\n",
693 "[addr [arg ...]]\n - boot application image stored in memory\n"
694 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
695 "\t'arg' can be the address of an initrd image\n"
696 #if defined(CONFIG_OF_LIBFDT)
697 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
698 "\ta third argument is required which is the address of the\n"
699 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
700 "\tuse a '-' for the second argument. If you do not pass a third\n"
701 "\ta bd_info struct will be passed instead\n"
703 #if defined(CONFIG_FIT)
704 "\t\nFor the new multi component uImage format (FIT) addresses\n"
705 "\tmust be extened to include component or configuration unit name:\n"
706 "\taddr:<subimg_uname> - direct component image specification\n"
707 "\taddr#<conf_uname> - configuration specification\n"
708 "\tUse iminfo command to get the list of existing component\n"
709 "\timages and configurations.\n"
713 /*******************************************************************/
714 /* bootd - boot default image */
715 /*******************************************************************/
716 #if defined(CONFIG_CMD_BOOTD)
717 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
721 #ifndef CFG_HUSH_PARSER
722 if (run_command (getenv ("bootcmd"), flag) < 0)
725 if (parse_string_outer (getenv ("bootcmd"),
726 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
733 boot, 1, 1, do_bootd,
734 "boot - boot default, i.e., run 'bootcmd'\n",
738 /* keep old command name "bootd" for backward compatibility */
740 bootd, 1, 1, do_bootd,
741 "bootd - boot default, i.e., run 'bootcmd'\n",
748 /*******************************************************************/
749 /* iminfo - print header info for a requested image */
750 /*******************************************************************/
751 #if defined(CONFIG_CMD_IMI)
752 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
759 return image_info (load_addr);
762 for (arg = 1; arg < argc; ++arg) {
763 addr = simple_strtoul (argv[arg], NULL, 16);
764 if (image_info (addr) != 0)
770 static int image_info (ulong addr)
772 void *hdr = (void *)addr;
774 printf ("\n## Checking Image at %08lx ...\n", addr);
776 switch (genimg_get_format (hdr)) {
777 case IMAGE_FORMAT_LEGACY:
778 puts (" Legacy image found\n");
779 if (!image_check_magic (hdr)) {
780 puts (" Bad Magic Number\n");
784 if (!image_check_hcrc (hdr)) {
785 puts (" Bad Header Checksum\n");
789 image_print_contents (hdr);
791 puts (" Verifying Checksum ... ");
792 if (!image_check_dcrc (hdr)) {
793 puts (" Bad Data CRC\n");
798 #if defined(CONFIG_FIT)
799 case IMAGE_FORMAT_FIT:
800 puts (" FIT image found\n");
802 if (!fit_check_format (hdr)) {
803 puts ("Bad FIT image format!\n");
807 fit_print_contents (hdr);
811 puts ("Unknown image format!\n");
819 iminfo, CFG_MAXARGS, 1, do_iminfo,
820 "iminfo - print header information for application image\n",
822 " - print header information for application image starting at\n"
823 " address 'addr' in memory; this includes verification of the\n"
824 " image contents (magic number, header and payload checksums)\n"
829 /*******************************************************************/
830 /* imls - list all images found in flash */
831 /*******************************************************************/
832 #if defined(CONFIG_CMD_IMLS)
833 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
839 for (i = 0, info = &flash_info[0];
840 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
842 if (info->flash_id == FLASH_UNKNOWN)
844 for (j = 0; j < info->sector_count; ++j) {
846 hdr = (void *)info->start[j];
850 switch (genimg_get_format (hdr)) {
851 case IMAGE_FORMAT_LEGACY:
852 if (!image_check_hcrc (hdr))
855 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
856 image_print_contents (hdr);
858 puts (" Verifying Checksum ... ");
859 if (!image_check_dcrc (hdr)) {
860 puts ("Bad Data CRC\n");
865 #if defined(CONFIG_FIT)
866 case IMAGE_FORMAT_FIT:
867 if (!fit_check_format (hdr))
870 printf ("FIT Image at %08lX:\n", (ulong)hdr);
871 fit_print_contents (hdr);
888 "imls - list all images found in flash\n",
890 " - Prints information about all images found at sector\n"
891 " boundaries in flash.\n"
895 /*******************************************************************/
896 /* helper routines */
897 /*******************************************************************/
898 #ifdef CONFIG_SILENT_CONSOLE
899 static void fixup_silent_linux ()
901 char buf[256], *start, *end;
902 char *cmdline = getenv ("bootargs");
904 /* Only fix cmdline when requested */
905 if (!(gd->flags & GD_FLG_SILENT))
908 debug ("before silent fix-up: %s\n", cmdline);
910 if ((start = strstr (cmdline, "console=")) != NULL) {
911 end = strchr (start, ' ');
912 strncpy (buf, cmdline, (start - cmdline + 8));
914 strcpy (buf + (start - cmdline + 8), end);
916 buf[start - cmdline + 8] = '\0';
918 strcpy (buf, cmdline);
919 strcat (buf, " console=");
922 strcpy (buf, "console=");
925 setenv ("bootargs", buf);
926 debug ("after silent fix-up: %s\n", buf);
928 #endif /* CONFIG_SILENT_CONSOLE */
931 /*******************************************************************/
932 /* OS booting routines */
933 /*******************************************************************/
935 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
936 int argc, char *argv[],
937 bootm_headers_t *images)
939 void (*loader)(bd_t *, image_header_t *, char *, char *);
940 image_header_t *os_hdr, *hdr;
941 ulong kernel_data, kernel_len;
945 #if defined(CONFIG_FIT)
946 if (!images->legacy_hdr_valid) {
947 fit_unsupported_reset ("NetBSD");
948 do_reset (cmdtp, flag, argc, argv);
951 hdr = images->legacy_hdr_os;
954 * Booting a (NetBSD) kernel image
956 * This process is pretty similar to a standalone application:
957 * The (first part of an multi-) image must be a stage-2 loader,
958 * which in turn is responsible for loading & invoking the actual
959 * kernel. The only differences are the parameters being passed:
960 * besides the board info strucure, the loader expects a command
961 * line, the name of the console device, and (optionally) the
962 * address of the original image header.
965 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
966 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
972 #if defined (CONFIG_8xx_CONS_SMC1)
974 #elif defined (CONFIG_8xx_CONS_SMC2)
976 #elif defined (CONFIG_8xx_CONS_SCC2)
978 #elif defined (CONFIG_8xx_CONS_SCC3)
986 for (i = 2, len = 0; i < argc; i += 1)
987 len += strlen (argv[i]) + 1;
988 cmdline = malloc (len);
990 for (i = 2, len = 0; i < argc; i += 1) {
992 cmdline[len++] = ' ';
993 strcpy (&cmdline[len], argv[i]);
994 len += strlen (argv[i]);
996 } else if ((cmdline = getenv ("bootargs")) == NULL) {
1000 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1002 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1005 show_boot_progress (15);
1008 * NetBSD Stage-2 Loader Parameters:
1009 * r3: ptr to board info data
1011 * r5: console device
1012 * r6: boot args string
1014 (*loader) (gd->bd, os_hdr, consdev, cmdline);
1017 #ifdef CONFIG_LYNXKDI
1018 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1019 int argc, char *argv[],
1020 bootm_headers_t *images)
1022 image_header_t *hdr = &images->legacy_hdr_os_copy;
1024 #if defined(CONFIG_FIT)
1025 if (!images->legacy_hdr_valid) {
1026 fit_unsupported_reset ("Lynx");
1027 do_reset (cmdtp, flag, argc, argv);
1031 lynxkdi_boot ((image_header_t *)hdr);
1033 #endif /* CONFIG_LYNXKDI */
1035 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
1036 int argc, char *argv[],
1037 bootm_headers_t *images)
1039 void (*entry_point)(bd_t *);
1041 #if defined(CONFIG_FIT)
1042 if (!images->legacy_hdr_valid) {
1043 fit_unsupported_reset ("RTEMS");
1044 do_reset (cmdtp, flag, argc, argv);
1048 entry_point = (void (*)(bd_t *))images->ep;
1050 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1051 (ulong)entry_point);
1053 show_boot_progress (15);
1057 * r3: ptr to board info data
1059 (*entry_point)(gd->bd);
1062 #if defined(CONFIG_CMD_ELF)
1063 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
1064 int argc, char *argv[],
1065 bootm_headers_t *images)
1069 #if defined(CONFIG_FIT)
1070 if (!images->legacy_hdr_valid) {
1071 fit_unsupported_reset ("VxWorks");
1072 do_reset (cmdtp, flag, argc, argv);
1076 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1077 setenv("loadaddr", str);
1078 do_bootvx(cmdtp, 0, 0, NULL);
1081 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
1082 int argc, char *argv[],
1083 bootm_headers_t *images)
1085 char *local_args[2];
1088 #if defined(CONFIG_FIT)
1089 if (!images->legacy_hdr_valid) {
1090 fit_unsupported_reset ("QNX");
1091 do_reset (cmdtp, flag, argc, argv);
1095 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1096 local_args[0] = argv[0];
1097 local_args[1] = str; /* and provide it via the arguments */
1098 do_bootelf(cmdtp, 0, 2, local_args);
1102 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1103 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1104 int argc, char *argv[],
1105 bootm_headers_t *images)
1110 int i, j, nxt, len, envno, envsz;
1112 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1114 #if defined(CONFIG_FIT)
1115 if (!images->legacy_hdr_valid) {
1116 fit_unsupported_reset ("ARTOS");
1117 do_reset (cmdtp, flag, argc, argv);
1122 * Booting an ARTOS kernel image + application
1125 /* this used to be the top of memory, but was wrong... */
1127 /* get stack pointer */
1128 asm volatile ("mr %0,1" : "=r"(top) );
1130 debug ("## Current stack ends at 0x%08lX ", top);
1132 top -= 2048; /* just to be sure */
1133 if (top > CFG_BOOTMAPSZ)
1134 top = CFG_BOOTMAPSZ;
1137 debug ("=> set upper limit to 0x%08lX\n", top);
1139 /* first check the artos specific boot args, then the linux args*/
1140 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1143 /* get length of cmdline, and place it */
1145 top = (top - (len + 1)) & ~0xF;
1146 cmdline = (char *)top;
1147 debug ("## cmdline at 0x%08lX ", top);
1148 strcpy (cmdline, s);
1151 top = (top - sizeof (bd_t)) & ~0xF;
1152 debug ("## bd at 0x%08lX ", top);
1154 memcpy (kbd, gd->bd, sizeof (bd_t));
1156 /* first find number of env entries, and their size */
1159 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1160 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1163 envsz += (nxt - i) + 1; /* plus trailing zero */
1165 envno++; /* plus the terminating zero */
1166 debug ("## %u envvars total size %u ", envno, envsz);
1168 top = (top - sizeof (char **) * envno) & ~0xF;
1169 fwenv = (char **)top;
1170 debug ("## fwenv at 0x%08lX ", top);
1172 top = (top - envsz) & ~0xF;
1177 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1178 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1181 for (j = i; j < nxt; ++j)
1182 *s++ = env_get_char (j);
1185 *ss++ = NULL; /* terminate */
1187 entry = (void (*)(bd_t *, char *, char **, ulong))images->ep;
1188 (*entry) (kbd, cmdline, fwenv, top);