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 /*******************************************************************/
121 /* bootm - boot application image from image in memory */
122 /*******************************************************************/
123 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
126 const char *type_name;
127 uint unc_len = CFG_BOOTM_LEN;
128 uint8_t comp, type, os;
131 ulong os_data, os_len;
132 ulong image_start, image_end;
133 ulong load_start, load_end;
135 phys_size_t mem_size;
139 memset ((void *)&images, 0, sizeof (images));
140 images.verify = getenv_yesno ("verify");
145 mem_start = getenv_bootm_low();
146 mem_size = getenv_bootm_size();
148 lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);
150 board_lmb_reserve(&lmb);
152 /* get kernel image header, start address and length */
153 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
154 &images, &os_data, &os_len);
156 puts ("ERROR: can't get kernel image!\n");
160 /* get image parameters */
161 switch (genimg_get_format (os_hdr)) {
162 case IMAGE_FORMAT_LEGACY:
163 type = image_get_type (os_hdr);
164 comp = image_get_comp (os_hdr);
165 os = image_get_os (os_hdr);
167 image_end = image_get_image_end (os_hdr);
168 load_start = image_get_load (os_hdr);
170 #if defined(CONFIG_FIT)
171 case IMAGE_FORMAT_FIT:
172 if (fit_image_get_type (images.fit_hdr_os,
173 images.fit_noffset_os, &type)) {
174 puts ("Can't get image type!\n");
175 show_boot_progress (-109);
179 if (fit_image_get_comp (images.fit_hdr_os,
180 images.fit_noffset_os, &comp)) {
181 puts ("Can't get image compression!\n");
182 show_boot_progress (-110);
186 if (fit_image_get_os (images.fit_hdr_os,
187 images.fit_noffset_os, &os)) {
188 puts ("Can't get image OS!\n");
189 show_boot_progress (-111);
193 image_end = fit_get_end (images.fit_hdr_os);
195 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
197 puts ("Can't get image load address!\n");
198 show_boot_progress (-112);
204 puts ("ERROR: unknown image format type!\n");
208 /* find kernel entry point */
209 if (images.legacy_hdr_valid) {
210 images.ep = image_get_ep (&images.legacy_hdr_os_copy);
211 #if defined(CONFIG_FIT)
212 } else if (images.fit_uname_os) {
213 ret = fit_image_get_entry (images.fit_hdr_os,
214 images.fit_noffset_os, &images.ep);
216 puts ("Can't get entry point property!\n");
221 puts ("Could not find kernel entry point!\n");
225 image_start = (ulong)os_hdr;
227 type_name = genimg_get_type_name (type);
230 * We have reached the point of no return: we are going to
231 * overwrite all exception vector code, so we cannot easily
232 * recover from any failures any more...
234 iflag = disable_interrupts();
236 #if defined(CONFIG_CMD_USB)
238 * turn off USB to prevent the host controller from writing to the
239 * SDRAM while Linux is booting. This could happen (at least for OHCI
240 * controller), because the HCCA (Host Controller Communication Area)
241 * lies within the SDRAM and the host controller writes continously to
242 * this area (as busmaster!). The HccaFrameNumber is for example
243 * updated every 1 ms within the HCCA structure in SDRAM! For more
244 * details see the OpenHCI specification.
250 #ifdef CONFIG_AMIGAONEG3SE
252 * We've possible left the caches enabled during
253 * bios emulation, so turn them off again
261 if (load_start == (ulong)os_hdr) {
262 printf (" XIP %s ... ", type_name);
264 printf (" Loading %s ... ", type_name);
266 memmove_wd ((void *)load_start,
267 (void *)os_data, os_len, CHUNKSZ);
269 load_end = load_start + os_len;
273 printf (" Uncompressing %s ... ", type_name);
274 if (gunzip ((void *)load_start, unc_len,
275 (uchar *)os_data, &os_len) != 0) {
276 puts ("GUNZIP: uncompress or overwrite error "
277 "- must RESET board to recover\n");
278 show_boot_progress (-6);
279 do_reset (cmdtp, flag, argc, argv);
282 load_end = load_start + os_len;
286 printf (" Uncompressing %s ... ", type_name);
288 * If we've got less than 4 MB of malloc() space,
289 * use slower decompression algorithm which requires
290 * at most 2300 KB of memory.
292 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
293 &unc_len, (char *)os_data, os_len,
294 CFG_MALLOC_LEN < (4096 * 1024), 0);
296 printf ("BUNZIP2: uncompress or overwrite error %d "
297 "- must RESET board to recover\n", i);
298 show_boot_progress (-6);
299 do_reset (cmdtp, flag, argc, argv);
302 load_end = load_start + unc_len;
304 #endif /* CONFIG_BZIP2 */
308 printf ("Unimplemented compression type %d\n", comp);
309 show_boot_progress (-7);
313 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
314 show_boot_progress (7);
316 if ((load_start < image_end) && (load_end > image_start)) {
317 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
318 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
320 if (images.legacy_hdr_valid) {
321 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
322 puts ("WARNING: legacy format multi component "
323 "image overwritten\n");
325 puts ("ERROR: new format image overwritten - "
326 "must RESET the board to recover\n");
327 show_boot_progress (-113);
328 do_reset (cmdtp, flag, argc, argv);
332 show_boot_progress (8);
334 lmb_reserve(&lmb, load_start, (load_end - load_start));
337 default: /* handled by (original) Linux case */
339 #ifdef CONFIG_SILENT_CONSOLE
340 fixup_silent_linux();
342 do_bootm_linux (cmdtp, flag, argc, argv, &images);
346 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
349 #ifdef CONFIG_LYNXKDI
351 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
356 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
359 #if defined(CONFIG_CMD_ELF)
361 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
365 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
371 do_bootm_artos (cmdtp, flag, argc, argv, &images);
376 show_boot_progress (-9);
378 puts ("\n## Control returned to monitor - resetting...\n");
379 do_reset (cmdtp, flag, argc, argv);
388 * image_get_kernel - verify legacy format kernel image
389 * @img_addr: in RAM address of the legacy format image to be verified
390 * @verify: data CRC verification flag
392 * image_get_kernel() verifies legacy image integrity and returns pointer to
393 * legacy image header if image verification was completed successfully.
396 * pointer to a legacy image header if valid image was found
397 * otherwise return NULL
399 static image_header_t *image_get_kernel (ulong img_addr, int verify)
401 image_header_t *hdr = (image_header_t *)img_addr;
403 if (!image_check_magic(hdr)) {
404 puts ("Bad Magic Number\n");
405 show_boot_progress (-1);
408 show_boot_progress (2);
410 if (!image_check_hcrc (hdr)) {
411 puts ("Bad Header Checksum\n");
412 show_boot_progress (-2);
416 show_boot_progress (3);
417 image_print_contents (hdr);
420 puts (" Verifying Checksum ... ");
421 if (!image_check_dcrc (hdr)) {
422 printf ("Bad Data CRC\n");
423 show_boot_progress (-3);
428 show_boot_progress (4);
430 if (!image_check_target_arch (hdr)) {
431 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
432 show_boot_progress (-4);
439 * fit_check_kernel - verify FIT format kernel subimage
440 * @fit_hdr: pointer to the FIT image header
441 * os_noffset: kernel subimage node offset within FIT image
442 * @verify: data CRC verification flag
444 * fit_check_kernel() verifies integrity of the kernel subimage and from
445 * specified FIT image.
451 #if defined (CONFIG_FIT)
452 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
454 fit_image_print (fit, os_noffset, " ");
457 puts (" Verifying Hash Integrity ... ");
458 if (!fit_image_check_hashes (fit, os_noffset)) {
459 puts ("Bad Data Hash\n");
460 show_boot_progress (-104);
465 show_boot_progress (105);
467 if (!fit_image_check_target_arch (fit, os_noffset)) {
468 puts ("Unsupported Architecture\n");
469 show_boot_progress (-105);
473 show_boot_progress (106);
474 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
475 puts ("Not a kernel image\n");
476 show_boot_progress (-106);
480 show_boot_progress (107);
483 #endif /* CONFIG_FIT */
486 * boot_get_kernel - find kernel image
487 * @os_data: pointer to a ulong variable, will hold os data start address
488 * @os_len: pointer to a ulong variable, will hold os data length
490 * boot_get_kernel() tries to find a kernel image, verifies its integrity
491 * and locates kernel data.
494 * pointer to image header if valid image was found, plus kernel start
495 * address and length, otherwise NULL
497 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
498 bootm_headers_t *images, ulong *os_data, ulong *os_len)
502 #if defined(CONFIG_FIT)
504 const char *fit_uname_config = NULL;
505 const char *fit_uname_kernel = NULL;
512 /* find out kernel image address */
514 img_addr = load_addr;
515 debug ("* kernel: default image load address = 0x%08lx\n",
517 #if defined(CONFIG_FIT)
518 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
519 &fit_uname_config)) {
520 debug ("* kernel: config '%s' from image at 0x%08lx\n",
521 fit_uname_config, img_addr);
522 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
523 &fit_uname_kernel)) {
524 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
525 fit_uname_kernel, img_addr);
528 img_addr = simple_strtoul(argv[1], NULL, 16);
529 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
532 show_boot_progress (1);
534 /* copy from dataflash if needed */
535 img_addr = genimg_get_image (img_addr);
537 /* check image type, for FIT images get FIT kernel node */
538 *os_data = *os_len = 0;
539 switch (genimg_get_format ((void *)img_addr)) {
540 case IMAGE_FORMAT_LEGACY:
541 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
543 hdr = image_get_kernel (img_addr, images->verify);
546 show_boot_progress (5);
548 /* get os_data and os_len */
549 switch (image_get_type (hdr)) {
551 *os_data = image_get_data (hdr);
552 *os_len = image_get_data_size (hdr);
555 image_multi_getimg (hdr, 0, os_data, os_len);
558 printf ("Wrong Image Type for %s command\n", cmdtp->name);
559 show_boot_progress (-5);
564 * copy image header to allow for image overwrites during kernel
567 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
569 /* save pointer to image header */
570 images->legacy_hdr_os = hdr;
572 images->legacy_hdr_valid = 1;
573 show_boot_progress (6);
575 #if defined(CONFIG_FIT)
576 case IMAGE_FORMAT_FIT:
577 fit_hdr = (void *)img_addr;
578 printf ("## Booting kernel from FIT Image at %08lx ...\n",
581 if (!fit_check_format (fit_hdr)) {
582 puts ("Bad FIT kernel image format!\n");
583 show_boot_progress (-100);
586 show_boot_progress (100);
588 if (!fit_uname_kernel) {
590 * no kernel image node unit name, try to get config
591 * node first. If config unit node name is NULL
592 * fit_conf_get_node() will try to find default config node
594 show_boot_progress (101);
595 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
596 if (cfg_noffset < 0) {
597 show_boot_progress (-101);
600 /* save configuration uname provided in the first
603 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
604 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
605 show_boot_progress (103);
607 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
608 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
610 /* get kernel component image node offset */
611 show_boot_progress (102);
612 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
614 if (os_noffset < 0) {
615 show_boot_progress (-103);
619 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
621 show_boot_progress (104);
622 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
625 /* get kernel image data address and length */
626 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
627 puts ("Could not find kernel subimage data!\n");
628 show_boot_progress (-107);
631 show_boot_progress (108);
634 *os_data = (ulong)data;
635 images->fit_hdr_os = fit_hdr;
636 images->fit_uname_os = fit_uname_kernel;
637 images->fit_noffset_os = os_noffset;
641 printf ("Wrong Image Format for %s command\n", cmdtp->name);
642 show_boot_progress (-108);
646 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
647 *os_data, *os_len, *os_len);
649 return (void *)img_addr;
653 bootm, CFG_MAXARGS, 1, do_bootm,
654 "bootm - boot application image from memory\n",
655 "[addr [arg ...]]\n - boot application image stored in memory\n"
656 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
657 "\t'arg' can be the address of an initrd image\n"
658 #if defined(CONFIG_OF_LIBFDT)
659 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
660 "\ta third argument is required which is the address of the\n"
661 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
662 "\tuse a '-' for the second argument. If you do not pass a third\n"
663 "\ta bd_info struct will be passed instead\n"
665 #if defined(CONFIG_FIT)
666 "\t\nFor the new multi component uImage format (FIT) addresses\n"
667 "\tmust be extened to include component or configuration unit name:\n"
668 "\taddr:<subimg_uname> - direct component image specification\n"
669 "\taddr#<conf_uname> - configuration specification\n"
670 "\tUse iminfo command to get the list of existing component\n"
671 "\timages and configurations.\n"
675 /*******************************************************************/
676 /* bootd - boot default image */
677 /*******************************************************************/
678 #if defined(CONFIG_CMD_BOOTD)
679 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
683 #ifndef CFG_HUSH_PARSER
684 if (run_command (getenv ("bootcmd"), flag) < 0)
687 if (parse_string_outer (getenv ("bootcmd"),
688 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
695 boot, 1, 1, do_bootd,
696 "boot - boot default, i.e., run 'bootcmd'\n",
700 /* keep old command name "bootd" for backward compatibility */
702 bootd, 1, 1, do_bootd,
703 "bootd - boot default, i.e., run 'bootcmd'\n",
710 /*******************************************************************/
711 /* iminfo - print header info for a requested image */
712 /*******************************************************************/
713 #if defined(CONFIG_CMD_IMI)
714 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
721 return image_info (load_addr);
724 for (arg = 1; arg < argc; ++arg) {
725 addr = simple_strtoul (argv[arg], NULL, 16);
726 if (image_info (addr) != 0)
732 static int image_info (ulong addr)
734 void *hdr = (void *)addr;
736 printf ("\n## Checking Image at %08lx ...\n", addr);
738 switch (genimg_get_format (hdr)) {
739 case IMAGE_FORMAT_LEGACY:
740 puts (" Legacy image found\n");
741 if (!image_check_magic (hdr)) {
742 puts (" Bad Magic Number\n");
746 if (!image_check_hcrc (hdr)) {
747 puts (" Bad Header Checksum\n");
751 image_print_contents (hdr);
753 puts (" Verifying Checksum ... ");
754 if (!image_check_dcrc (hdr)) {
755 puts (" Bad Data CRC\n");
760 #if defined(CONFIG_FIT)
761 case IMAGE_FORMAT_FIT:
762 puts (" FIT image found\n");
764 if (!fit_check_format (hdr)) {
765 puts ("Bad FIT image format!\n");
769 fit_print_contents (hdr);
773 puts ("Unknown image format!\n");
781 iminfo, CFG_MAXARGS, 1, do_iminfo,
782 "iminfo - print header information for application image\n",
784 " - print header information for application image starting at\n"
785 " address 'addr' in memory; this includes verification of the\n"
786 " image contents (magic number, header and payload checksums)\n"
791 /*******************************************************************/
792 /* imls - list all images found in flash */
793 /*******************************************************************/
794 #if defined(CONFIG_CMD_IMLS)
795 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
801 for (i = 0, info = &flash_info[0];
802 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
804 if (info->flash_id == FLASH_UNKNOWN)
806 for (j = 0; j < info->sector_count; ++j) {
808 hdr = (void *)info->start[j];
812 switch (genimg_get_format (hdr)) {
813 case IMAGE_FORMAT_LEGACY:
814 if (!image_check_hcrc (hdr))
817 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
818 image_print_contents (hdr);
820 puts (" Verifying Checksum ... ");
821 if (!image_check_dcrc (hdr)) {
822 puts ("Bad Data CRC\n");
827 #if defined(CONFIG_FIT)
828 case IMAGE_FORMAT_FIT:
829 if (!fit_check_format (hdr))
832 printf ("FIT Image at %08lX:\n", (ulong)hdr);
833 fit_print_contents (hdr);
850 "imls - list all images found in flash\n",
852 " - Prints information about all images found at sector\n"
853 " boundaries in flash.\n"
857 /*******************************************************************/
858 /* helper routines */
859 /*******************************************************************/
860 #ifdef CONFIG_SILENT_CONSOLE
861 static void fixup_silent_linux ()
863 char buf[256], *start, *end;
864 char *cmdline = getenv ("bootargs");
866 /* Only fix cmdline when requested */
867 if (!(gd->flags & GD_FLG_SILENT))
870 debug ("before silent fix-up: %s\n", cmdline);
872 if ((start = strstr (cmdline, "console=")) != NULL) {
873 end = strchr (start, ' ');
874 strncpy (buf, cmdline, (start - cmdline + 8));
876 strcpy (buf + (start - cmdline + 8), end);
878 buf[start - cmdline + 8] = '\0';
880 strcpy (buf, cmdline);
881 strcat (buf, " console=");
884 strcpy (buf, "console=");
887 setenv ("bootargs", buf);
888 debug ("after silent fix-up: %s\n", buf);
890 #endif /* CONFIG_SILENT_CONSOLE */
893 /*******************************************************************/
894 /* OS booting routines */
895 /*******************************************************************/
897 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
898 int argc, char *argv[],
899 bootm_headers_t *images)
901 void (*loader)(bd_t *, image_header_t *, char *, char *);
902 image_header_t *os_hdr, *hdr;
903 ulong kernel_data, kernel_len;
907 #if defined(CONFIG_FIT)
908 if (!images->legacy_hdr_valid) {
909 fit_unsupported_reset ("NetBSD");
910 do_reset (cmdtp, flag, argc, argv);
913 hdr = images->legacy_hdr_os;
916 * Booting a (NetBSD) kernel image
918 * This process is pretty similar to a standalone application:
919 * The (first part of an multi-) image must be a stage-2 loader,
920 * which in turn is responsible for loading & invoking the actual
921 * kernel. The only differences are the parameters being passed:
922 * besides the board info strucure, the loader expects a command
923 * line, the name of the console device, and (optionally) the
924 * address of the original image header.
927 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
928 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
934 #if defined (CONFIG_8xx_CONS_SMC1)
936 #elif defined (CONFIG_8xx_CONS_SMC2)
938 #elif defined (CONFIG_8xx_CONS_SCC2)
940 #elif defined (CONFIG_8xx_CONS_SCC3)
948 for (i = 2, len = 0; i < argc; i += 1)
949 len += strlen (argv[i]) + 1;
950 cmdline = malloc (len);
952 for (i = 2, len = 0; i < argc; i += 1) {
954 cmdline[len++] = ' ';
955 strcpy (&cmdline[len], argv[i]);
956 len += strlen (argv[i]);
958 } else if ((cmdline = getenv ("bootargs")) == NULL) {
962 loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
964 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
967 show_boot_progress (15);
970 * NetBSD Stage-2 Loader Parameters:
971 * r3: ptr to board info data
974 * r6: boot args string
976 (*loader) (gd->bd, os_hdr, consdev, cmdline);
979 #ifdef CONFIG_LYNXKDI
980 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
981 int argc, char *argv[],
982 bootm_headers_t *images)
984 image_header_t *hdr = &images->legacy_hdr_os_copy;
986 #if defined(CONFIG_FIT)
987 if (!images->legacy_hdr_valid) {
988 fit_unsupported_reset ("Lynx");
989 do_reset (cmdtp, flag, argc, argv);
993 lynxkdi_boot ((image_header_t *)hdr);
995 #endif /* CONFIG_LYNXKDI */
997 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
998 int argc, char *argv[],
999 bootm_headers_t *images)
1001 void (*entry_point)(bd_t *);
1003 #if defined(CONFIG_FIT)
1004 if (!images->legacy_hdr_valid) {
1005 fit_unsupported_reset ("RTEMS");
1006 do_reset (cmdtp, flag, argc, argv);
1010 entry_point = (void (*)(bd_t *))images->ep;
1012 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1013 (ulong)entry_point);
1015 show_boot_progress (15);
1019 * r3: ptr to board info data
1021 (*entry_point)(gd->bd);
1024 #if defined(CONFIG_CMD_ELF)
1025 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
1026 int argc, char *argv[],
1027 bootm_headers_t *images)
1031 #if defined(CONFIG_FIT)
1032 if (!images->legacy_hdr_valid) {
1033 fit_unsupported_reset ("VxWorks");
1034 do_reset (cmdtp, flag, argc, argv);
1038 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1039 setenv("loadaddr", str);
1040 do_bootvx(cmdtp, 0, 0, NULL);
1043 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
1044 int argc, char *argv[],
1045 bootm_headers_t *images)
1047 char *local_args[2];
1050 #if defined(CONFIG_FIT)
1051 if (!images->legacy_hdr_valid) {
1052 fit_unsupported_reset ("QNX");
1053 do_reset (cmdtp, flag, argc, argv);
1057 sprintf(str, "%lx", images->ep); /* write entry-point into string */
1058 local_args[0] = argv[0];
1059 local_args[1] = str; /* and provide it via the arguments */
1060 do_bootelf(cmdtp, 0, 2, local_args);
1064 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1065 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1066 int argc, char *argv[],
1067 bootm_headers_t *images)
1072 int i, j, nxt, len, envno, envsz;
1074 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1076 #if defined(CONFIG_FIT)
1077 if (!images->legacy_hdr_valid) {
1078 fit_unsupported_reset ("ARTOS");
1079 do_reset (cmdtp, flag, argc, argv);
1084 * Booting an ARTOS kernel image + application
1087 /* this used to be the top of memory, but was wrong... */
1089 /* get stack pointer */
1090 asm volatile ("mr %0,1" : "=r"(top) );
1092 debug ("## Current stack ends at 0x%08lX ", top);
1094 top -= 2048; /* just to be sure */
1095 if (top > CFG_BOOTMAPSZ)
1096 top = CFG_BOOTMAPSZ;
1099 debug ("=> set upper limit to 0x%08lX\n", top);
1101 /* first check the artos specific boot args, then the linux args*/
1102 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1105 /* get length of cmdline, and place it */
1107 top = (top - (len + 1)) & ~0xF;
1108 cmdline = (char *)top;
1109 debug ("## cmdline at 0x%08lX ", top);
1110 strcpy (cmdline, s);
1113 top = (top - sizeof (bd_t)) & ~0xF;
1114 debug ("## bd at 0x%08lX ", top);
1116 memcpy (kbd, gd->bd, sizeof (bd_t));
1118 /* first find number of env entries, and their size */
1121 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1122 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1125 envsz += (nxt - i) + 1; /* plus trailing zero */
1127 envno++; /* plus the terminating zero */
1128 debug ("## %u envvars total size %u ", envno, envsz);
1130 top = (top - sizeof (char **) * envno) & ~0xF;
1131 fwenv = (char **)top;
1132 debug ("## fwenv at 0x%08lX ", top);
1134 top = (top - envsz) & ~0xF;
1139 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1140 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1143 for (j = i; j < nxt; ++j)
1144 *s++ = env_get_char (j);
1147 *ss++ = NULL; /* terminate */
1149 entry = (void (*)(bd_t *, char *, char **, ulong))images->ep;
1150 (*entry) (kbd, cmdline, fwenv, top);