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,
36 #include <environment.h>
38 #include <asm/byteorder.h>
40 #ifdef CFG_HUSH_PARSER
44 DECLARE_GLOBAL_DATA_PTR;
46 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
48 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
52 extern void bz_internal_error(int);
55 #if defined(CONFIG_CMD_IMI)
56 static int image_info (unsigned long addr);
59 #if defined(CONFIG_CMD_IMLS)
61 extern flash_info_t flash_info[]; /* info for FLASH chips */
62 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
65 #ifdef CONFIG_SILENT_CONSOLE
66 static void fixup_silent_linux (void);
69 static image_header_t *image_get_kernel (ulong img_addr, int verify);
70 #if defined(CONFIG_FIT)
71 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
74 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
75 bootm_headers_t *images, ulong *os_data, ulong *os_len);
76 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
79 * Continue booting an OS image; caller already has:
80 * - copied image header to global variable `header'
81 * - checked header magic number, checksums (both header & image),
82 * - verified image architecture (PPC) and type (KERNEL or MULTI),
83 * - loaded (first part of) image to header load address,
84 * - disabled interrupts.
86 typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
87 int argc, char *argv[],
88 bootm_headers_t *images); /* pointers to os/initrd/fdt */
90 extern boot_os_fn do_bootm_linux;
91 static boot_os_fn do_bootm_netbsd;
92 #if defined(CONFIG_LYNXKDI)
93 static boot_os_fn do_bootm_lynxkdi;
94 extern void lynxkdi_boot (image_header_t *);
96 static boot_os_fn do_bootm_rtems;
97 #if defined(CONFIG_CMD_ELF)
98 static boot_os_fn do_bootm_vxworks;
99 static boot_os_fn do_bootm_qnxelf;
100 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
101 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
103 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
104 extern uchar (*env_get_char)(int); /* Returns a character from the environment */
105 static boot_os_fn do_bootm_artos;
108 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
109 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
111 void __board_lmb_reserve(struct lmb *lmb)
113 /* please define platform specific board_lmb_reserve() */
115 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
118 /*******************************************************************/
119 /* bootm - boot application image from image in memory */
120 /*******************************************************************/
121 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
124 const char *type_name;
125 uint unc_len = CFG_BOOTM_LEN;
126 uint8_t comp, type, os;
129 ulong os_data, os_len;
130 ulong image_start, image_end;
131 ulong load_start, load_end;
132 ulong mem_start, mem_size;
136 memset ((void *)&images, 0, sizeof (images));
137 images.verify = getenv_verify();
138 images.autostart = getenv_autostart();
143 mem_start = getenv_bootm_low();
144 mem_size = getenv_bootm_size();
146 lmb_add(&lmb, mem_start, mem_size);
148 board_lmb_reserve(&lmb);
150 /* get kernel image header, start address and length */
151 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
152 &images, &os_data, &os_len);
154 puts ("ERROR: can't get kernel image!\n");
158 show_boot_progress (6);
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");
178 if (fit_image_get_comp (images.fit_hdr_os,
179 images.fit_noffset_os, &comp)) {
180 puts ("Can't get image compression!\n");
184 if (fit_image_get_os (images.fit_hdr_os,
185 images.fit_noffset_os, &os)) {
186 puts ("Can't get image OS!\n");
190 image_end = fit_get_end (images.fit_hdr_os);
192 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
194 puts ("Can't get image load address!\n");
200 puts ("ERROR: unknown image format type!\n");
204 image_start = (ulong)os_hdr;
206 type_name = genimg_get_type_name (type);
209 * We have reached the point of no return: we are going to
210 * overwrite all exception vector code, so we cannot easily
211 * recover from any failures any more...
213 iflag = disable_interrupts();
215 #ifdef CONFIG_AMIGAONEG3SE
217 * We've possible left the caches enabled during
218 * bios emulation, so turn them off again
221 invalidate_l1_instruction_cache();
228 if (load_start == (ulong)os_hdr) {
229 printf (" XIP %s ... ", type_name);
231 printf (" Loading %s ... ", type_name);
233 memmove_wd ((void *)load_start,
234 (void *)os_data, os_len, CHUNKSZ);
236 load_end = load_start + os_len;
241 printf (" Uncompressing %s ... ", type_name);
242 if (gunzip ((void *)load_start, unc_len,
243 (uchar *)os_data, &os_len) != 0) {
244 puts ("GUNZIP ERROR - must RESET board to recover\n");
245 show_boot_progress (-6);
246 do_reset (cmdtp, flag, argc, argv);
249 load_end = load_start + os_len;
253 printf (" Uncompressing %s ... ", type_name);
255 * If we've got less than 4 MB of malloc() space,
256 * use slower decompression algorithm which requires
257 * at most 2300 KB of memory.
259 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
260 &unc_len, (char *)os_data, os_len,
261 CFG_MALLOC_LEN < (4096 * 1024), 0);
263 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
264 show_boot_progress (-6);
265 do_reset (cmdtp, flag, argc, argv);
268 load_end = load_start + unc_len;
270 #endif /* CONFIG_BZIP2 */
274 printf ("Unimplemented compression type %d\n", comp);
275 show_boot_progress (-7);
279 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
280 show_boot_progress (7);
282 if ((load_start < image_end) && (load_end > image_start)) {
283 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
284 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
286 puts ("ERROR: image overwritten - must RESET the board to recover.\n");
287 do_reset (cmdtp, flag, argc, argv);
290 show_boot_progress (8);
292 lmb_reserve(&lmb, load_start, (load_end - load_start));
295 default: /* handled by (original) Linux case */
297 #ifdef CONFIG_SILENT_CONSOLE
298 fixup_silent_linux();
300 do_bootm_linux (cmdtp, flag, argc, argv, &images);
304 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
307 #ifdef CONFIG_LYNXKDI
309 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
314 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
317 #if defined(CONFIG_CMD_ELF)
319 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
323 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
329 do_bootm_artos (cmdtp, flag, argc, argv, &images);
334 show_boot_progress (-9);
336 puts ("\n## Control returned to monitor - resetting...\n");
337 if (images.autostart)
338 do_reset (cmdtp, flag, argc, argv);
340 if (!images.autostart && iflag)
347 * image_get_kernel - verify legacy format kernel image
348 * @img_addr: in RAM address of the legacy format image to be verified
349 * @verify: data CRC verification flag
351 * image_get_kernel() verifies legacy image integrity and returns pointer to
352 * legacy image header if image verification was completed successfully.
355 * pointer to a legacy image header if valid image was found
356 * otherwise return NULL
358 static image_header_t *image_get_kernel (ulong img_addr, int verify)
360 image_header_t *hdr = (image_header_t *)img_addr;
362 if (!image_check_magic(hdr)) {
363 puts ("Bad Magic Number\n");
364 show_boot_progress (-1);
367 show_boot_progress (2);
369 if (!image_check_hcrc (hdr)) {
370 puts ("Bad Header Checksum\n");
371 show_boot_progress (-2);
375 show_boot_progress (3);
376 image_print_contents (hdr);
379 puts (" Verifying Checksum ... ");
380 if (!image_check_dcrc (hdr)) {
381 printf ("Bad Data CRC\n");
382 show_boot_progress (-3);
387 show_boot_progress (4);
389 if (!image_check_target_arch (hdr)) {
390 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
391 show_boot_progress (-4);
398 * fit_check_kernel - verify FIT format kernel subimage
399 * @fit_hdr: pointer to the FIT image header
400 * os_noffset: kernel subimage node offset within FIT image
401 * @verify: data CRC verification flag
403 * fit_check_kernel() verifies integrity of the kernel subimage and from
404 * specified FIT image.
410 #if defined (CONFIG_FIT)
411 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
413 fit_image_print (fit, os_noffset, " ");
416 puts (" Verifying Hash Integrity ... ");
417 if (!fit_image_check_hashes (fit, os_noffset)) {
418 puts ("Bad Data Hash\n");
424 if (!fit_image_check_target_arch (fit, os_noffset)) {
425 puts ("Unsupported Architecture\n");
429 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
430 puts ("Not a kernel image\n");
436 #endif /* CONFIG_FIT */
439 * boot_get_kernel - find kernel image
440 * @os_data: pointer to a ulong variable, will hold os data start address
441 * @os_len: pointer to a ulong variable, will hold os data length
443 * boot_get_kernel() tries to find a kernel image, verifies its integrity
444 * and locates kernel data.
447 * pointer to image header if valid image was found, plus kernel start
448 * address and length, otherwise NULL
450 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
451 bootm_headers_t *images, ulong *os_data, ulong *os_len)
455 #if defined(CONFIG_FIT)
457 const char *fit_uname_config = NULL;
458 const char *fit_uname_kernel = NULL;
465 /* find out kernel image address */
467 img_addr = load_addr;
468 debug ("* kernel: default image load address = 0x%08lx\n",
470 #if defined(CONFIG_FIT)
471 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
472 &fit_uname_config)) {
473 debug ("* kernel: config '%s' from image at 0x%08lx\n",
474 fit_uname_config, img_addr);
475 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
476 &fit_uname_kernel)) {
477 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
478 fit_uname_kernel, img_addr);
481 img_addr = simple_strtoul(argv[1], NULL, 16);
482 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
485 show_boot_progress (1);
487 /* copy from dataflash if needed */
488 img_addr = genimg_get_image (img_addr);
490 /* check image type, for FIT images get FIT kernel node */
491 *os_data = *os_len = 0;
492 switch (genimg_get_format ((void *)img_addr)) {
493 case IMAGE_FORMAT_LEGACY:
494 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
496 hdr = image_get_kernel (img_addr, images->verify);
499 show_boot_progress (5);
501 /* get os_data and os_len */
502 switch (image_get_type (hdr)) {
504 *os_data = image_get_data (hdr);
505 *os_len = image_get_data_size (hdr);
508 image_multi_getimg (hdr, 0, os_data, os_len);
511 printf ("Wrong Image Type for %s command\n", cmdtp->name);
512 show_boot_progress (-5);
515 images->legacy_hdr_os = hdr;
516 images->legacy_hdr_valid = 1;
519 #if defined(CONFIG_FIT)
520 case IMAGE_FORMAT_FIT:
521 fit_hdr = (void *)img_addr;
522 printf ("## Booting kernel from FIT Image at %08lx ...\n",
525 if (!fit_check_format (fit_hdr)) {
526 puts ("Bad FIT kernel image format!\n");
530 if (!fit_uname_kernel) {
532 * no kernel image node unit name, try to get config
533 * node first. If config unit node name is NULL
534 * fit_conf_get_node() will try to find default config node
536 conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
537 if (conf_noffset < 0)
540 os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset);
541 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
543 /* get kernel component image node offset */
544 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
549 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
551 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
554 /* get kernel image data address and length */
555 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
556 puts ("Could not find kernel subimage data!\n");
561 *os_data = (ulong)data;
562 images->fit_hdr_os = fit_hdr;
563 images->fit_uname_os = fit_uname_kernel;
564 images->fit_noffset_os = os_noffset;
568 printf ("Wrong Image Format for %s command\n", cmdtp->name);
572 debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n",
573 *os_data, *os_len, *os_len);
575 return (void *)img_addr;
579 bootm, CFG_MAXARGS, 1, do_bootm,
580 "bootm - boot application image from memory\n",
581 "[addr [arg ...]]\n - boot application image stored in memory\n"
582 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
583 "\t'arg' can be the address of an initrd image\n"
584 #if defined(CONFIG_OF_LIBFDT)
585 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
586 "\ta third argument is required which is the address of the\n"
587 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
588 "\tuse a '-' for the second argument. If you do not pass a third\n"
589 "\ta bd_info struct will be passed instead\n"
591 #if defined(CONFIG_FIT)
592 "\t\nFor the new multi component uImage format (FIT) addresses\n"
593 "\tmust be extened to include component or configuration unit name:\n"
594 "\taddr:<subimg_uname> - direct component image specification\n"
595 "\taddr#<conf_uname> - configuration specification\n"
596 "\tUse iminfo command to get the list of existing component\n"
597 "\timages and configurations.\n"
601 /*******************************************************************/
602 /* bootd - boot default image */
603 /*******************************************************************/
604 #if defined(CONFIG_CMD_BOOTD)
605 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
609 #ifndef CFG_HUSH_PARSER
610 if (run_command (getenv ("bootcmd"), flag) < 0)
613 if (parse_string_outer (getenv ("bootcmd"),
614 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
621 boot, 1, 1, do_bootd,
622 "boot - boot default, i.e., run 'bootcmd'\n",
626 /* keep old command name "bootd" for backward compatibility */
628 bootd, 1, 1, do_bootd,
629 "bootd - boot default, i.e., run 'bootcmd'\n",
636 /*******************************************************************/
637 /* iminfo - print header info for a requested image */
638 /*******************************************************************/
639 #if defined(CONFIG_CMD_IMI)
640 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
647 return image_info (load_addr);
650 for (arg = 1; arg < argc; ++arg) {
651 addr = simple_strtoul (argv[arg], NULL, 16);
652 if (image_info (addr) != 0)
658 static int image_info (ulong addr)
660 void *hdr = (void *)addr;
662 printf ("\n## Checking Image at %08lx ...\n", addr);
664 switch (genimg_get_format (hdr)) {
665 case IMAGE_FORMAT_LEGACY:
666 puts (" Legacy image found\n");
667 if (!image_check_magic (hdr)) {
668 puts (" Bad Magic Number\n");
672 if (!image_check_hcrc (hdr)) {
673 puts (" Bad Header Checksum\n");
677 image_print_contents (hdr);
679 puts (" Verifying Checksum ... ");
680 if (!image_check_dcrc (hdr)) {
681 puts (" Bad Data CRC\n");
686 #if defined(CONFIG_FIT)
687 case IMAGE_FORMAT_FIT:
688 puts (" FIT image found\n");
690 if (!fit_check_format (hdr)) {
691 puts ("Bad FIT image format!\n");
695 fit_print_contents (hdr);
699 puts ("Unknown image format!\n");
707 iminfo, CFG_MAXARGS, 1, do_iminfo,
708 "iminfo - print header information for application image\n",
710 " - print header information for application image starting at\n"
711 " address 'addr' in memory; this includes verification of the\n"
712 " image contents (magic number, header and payload checksums)\n"
717 /*******************************************************************/
718 /* imls - list all images found in flash */
719 /*******************************************************************/
720 #if defined(CONFIG_CMD_IMLS)
721 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
727 for (i = 0, info = &flash_info[0];
728 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
730 if (info->flash_id == FLASH_UNKNOWN)
732 for (j = 0; j < info->sector_count; ++j) {
734 hdr = (void *)info->start[j];
738 switch (genimg_get_format (hdr)) {
739 case IMAGE_FORMAT_LEGACY:
740 if (!image_check_hcrc (hdr))
743 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
744 image_print_contents (hdr);
746 puts (" Verifying Checksum ... ");
747 if (!image_check_dcrc (hdr)) {
748 puts ("Bad Data CRC\n");
753 #if defined(CONFIG_FIT)
754 case IMAGE_FORMAT_FIT:
755 if (!fit_check_format (hdr))
758 printf ("FIT Image at %08lX:\n", (ulong)hdr);
759 fit_print_contents (hdr);
776 "imls - list all images found in flash\n",
778 " - Prints information about all images found at sector\n"
779 " boundaries in flash.\n"
783 /*******************************************************************/
784 /* helper routines */
785 /*******************************************************************/
786 #ifdef CONFIG_SILENT_CONSOLE
787 static void fixup_silent_linux ()
789 char buf[256], *start, *end;
790 char *cmdline = getenv ("bootargs");
792 /* Only fix cmdline when requested */
793 if (!(gd->flags & GD_FLG_SILENT))
796 debug ("before silent fix-up: %s\n", cmdline);
798 if ((start = strstr (cmdline, "console=")) != NULL) {
799 end = strchr (start, ' ');
800 strncpy (buf, cmdline, (start - cmdline + 8));
802 strcpy (buf + (start - cmdline + 8), end);
804 buf[start - cmdline + 8] = '\0';
806 strcpy (buf, cmdline);
807 strcat (buf, " console=");
810 strcpy (buf, "console=");
813 setenv ("bootargs", buf);
814 debug ("after silent fix-up: %s\n", buf);
816 #endif /* CONFIG_SILENT_CONSOLE */
819 /*******************************************************************/
820 /* OS booting routines */
821 /*******************************************************************/
823 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
824 int argc, char *argv[],
825 bootm_headers_t *images)
827 void (*loader)(bd_t *, image_header_t *, char *, char *);
828 image_header_t *os_hdr, *hdr;
829 ulong kernel_data, kernel_len;
833 #if defined(CONFIG_FIT)
834 if (!images->legacy_hdr_valid) {
835 fit_unsupported_reset ("NetBSD");
836 do_reset (cmdtp, flag, argc, argv);
839 hdr = images->legacy_hdr_os;
842 * Booting a (NetBSD) kernel image
844 * This process is pretty similar to a standalone application:
845 * The (first part of an multi-) image must be a stage-2 loader,
846 * which in turn is responsible for loading & invoking the actual
847 * kernel. The only differences are the parameters being passed:
848 * besides the board info strucure, the loader expects a command
849 * line, the name of the console device, and (optionally) the
850 * address of the original image header.
853 if (image_check_type (hdr, IH_TYPE_MULTI)) {
854 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
860 #if defined (CONFIG_8xx_CONS_SMC1)
862 #elif defined (CONFIG_8xx_CONS_SMC2)
864 #elif defined (CONFIG_8xx_CONS_SCC2)
866 #elif defined (CONFIG_8xx_CONS_SCC3)
874 for (i = 2, len = 0; i < argc; i += 1)
875 len += strlen (argv[i]) + 1;
876 cmdline = malloc (len);
878 for (i = 2, len = 0; i < argc; i += 1) {
880 cmdline[len++] = ' ';
881 strcpy (&cmdline[len], argv[i]);
882 len += strlen (argv[i]);
884 } else if ((cmdline = getenv ("bootargs")) == NULL) {
888 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
890 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
893 show_boot_progress (15);
896 * NetBSD Stage-2 Loader Parameters:
897 * r3: ptr to board info data
900 * r6: boot args string
902 (*loader) (gd->bd, os_hdr, consdev, cmdline);
905 #ifdef CONFIG_LYNXKDI
906 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
907 int argc, char *argv[],
908 bootm_headers_t *images)
910 image_header_t *hdr = images->legacy_hdr_os;
912 #if defined(CONFIG_FIT)
913 if (!images->legacy_hdr_valid) {
914 fit_unsupported_reset ("Lynx");
915 do_reset (cmdtp, flag, argc, argv);
919 lynxkdi_boot ((image_header_t *)hdr);
921 #endif /* CONFIG_LYNXKDI */
923 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
924 int argc, char *argv[],
925 bootm_headers_t *images)
927 image_header_t *hdr = images->legacy_hdr_os;
928 void (*entry_point)(bd_t *);
930 #if defined(CONFIG_FIT)
931 if (!images->legacy_hdr_valid) {
932 fit_unsupported_reset ("RTEMS");
933 do_reset (cmdtp, flag, argc, argv);
937 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
939 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
942 show_boot_progress (15);
946 * r3: ptr to board info data
948 (*entry_point)(gd->bd);
951 #if defined(CONFIG_CMD_ELF)
952 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
953 int argc, char *argv[],
954 bootm_headers_t *images)
957 image_header_t *hdr = images->legacy_hdr_os;
959 #if defined(CONFIG_FIT)
961 fit_unsupported_reset ("VxWorks");
962 do_reset (cmdtp, flag, argc, argv);
966 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
967 setenv("loadaddr", str);
968 do_bootvx(cmdtp, 0, 0, NULL);
971 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
972 int argc, char *argv[],
973 bootm_headers_t *images)
977 image_header_t *hdr = images->legacy_hdr_os;
979 #if defined(CONFIG_FIT)
980 if (!images->legacy_hdr_valid) {
981 fit_unsupported_reset ("QNX");
982 do_reset (cmdtp, flag, argc, argv);
986 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
987 local_args[0] = argv[0];
988 local_args[1] = str; /* and provide it via the arguments */
989 do_bootelf(cmdtp, 0, 2, local_args);
993 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
994 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
995 int argc, char *argv[],
996 bootm_headers_t *images)
1001 int i, j, nxt, len, envno, envsz;
1003 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1004 image_header_t *hdr = images->legacy_hdr_os;
1006 #if defined(CONFIG_FIT)
1007 if (!images->legacy_hdr_valid) {
1008 fit_unsupported_reset ("ARTOS");
1009 do_reset (cmdtp, flag, argc, argv);
1014 * Booting an ARTOS kernel image + application
1017 /* this used to be the top of memory, but was wrong... */
1019 /* get stack pointer */
1020 asm volatile ("mr %0,1" : "=r"(top) );
1022 debug ("## Current stack ends at 0x%08lX ", top);
1024 top -= 2048; /* just to be sure */
1025 if (top > CFG_BOOTMAPSZ)
1026 top = CFG_BOOTMAPSZ;
1029 debug ("=> set upper limit to 0x%08lX\n", top);
1031 /* first check the artos specific boot args, then the linux args*/
1032 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1035 /* get length of cmdline, and place it */
1037 top = (top - (len + 1)) & ~0xF;
1038 cmdline = (char *)top;
1039 debug ("## cmdline at 0x%08lX ", top);
1040 strcpy (cmdline, s);
1043 top = (top - sizeof (bd_t)) & ~0xF;
1044 debug ("## bd at 0x%08lX ", top);
1046 memcpy (kbd, gd->bd, sizeof (bd_t));
1048 /* first find number of env entries, and their size */
1051 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1052 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1055 envsz += (nxt - i) + 1; /* plus trailing zero */
1057 envno++; /* plus the terminating zero */
1058 debug ("## %u envvars total size %u ", envno, envsz);
1060 top = (top - sizeof (char **) * envno) & ~0xF;
1061 fwenv = (char **)top;
1062 debug ("## fwenv at 0x%08lX ", top);
1064 top = (top - envsz) & ~0xF;
1069 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1070 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1073 for (j = i; j < nxt; ++j)
1074 *s++ = env_get_char (j);
1077 *ss++ = NULL; /* terminate */
1079 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
1080 (*entry) (kbd, cmdline, fwenv, top);