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;
133 #if defined(CONFIG_FIT)
139 memset ((void *)&images, 0, sizeof (images));
140 images.verify = getenv_verify();
141 images.autostart = getenv_autostart();
146 mem_start = getenv_bootm_low();
147 mem_size = getenv_bootm_size();
149 lmb_add(&lmb, mem_start, mem_size);
151 board_lmb_reserve(&lmb);
153 /* get kernel image header, start address and length */
154 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
155 &images, &os_data, &os_len);
157 puts ("ERROR: can't get kernel image!\n");
161 show_boot_progress (6);
163 /* get image parameters */
164 switch (genimg_get_format (os_hdr)) {
165 case IMAGE_FORMAT_LEGACY:
166 type = image_get_type (os_hdr);
167 comp = image_get_comp (os_hdr);
168 os = image_get_os (os_hdr);
170 image_end = image_get_image_end (os_hdr);
171 load_start = image_get_load (os_hdr);
173 #if defined(CONFIG_FIT)
174 case IMAGE_FORMAT_FIT:
175 os_noffset = fit_image_get_node (images.fit_hdr_os,
176 images.fit_uname_os);
177 if (os_noffset < 0) {
178 printf ("Can't get image node for '%s'!\n",
179 images.fit_uname_os);
183 if (fit_image_get_type (images.fit_hdr_os, os_noffset, &type)) {
184 puts ("Can't get image type!\n");
188 if (fit_image_get_comp (images.fit_hdr_os, os_noffset, &comp)) {
189 puts ("Can't get image compression!\n");
193 if (fit_image_get_os (images.fit_hdr_os, os_noffset, &os)) {
194 puts ("Can't get image OS!\n");
198 image_end = fit_get_end (images.fit_hdr_os);
200 if (fit_image_get_load (images.fit_hdr_os, os_noffset,
202 puts ("Can't get image load address!\n");
208 puts ("ERROR: unknown image format type!\n");
212 image_start = (ulong)os_hdr;
214 type_name = genimg_get_type_name (type);
217 * We have reached the point of no return: we are going to
218 * overwrite all exception vector code, so we cannot easily
219 * recover from any failures any more...
221 iflag = disable_interrupts();
223 #ifdef CONFIG_AMIGAONEG3SE
225 * We've possible left the caches enabled during
226 * bios emulation, so turn them off again
229 invalidate_l1_instruction_cache();
236 if (load_start == (ulong)os_hdr) {
237 printf (" XIP %s ... ", type_name);
239 printf (" Loading %s ... ", type_name);
241 memmove_wd ((void *)load_start,
242 (void *)os_data, os_len, CHUNKSZ);
244 load_end = load_start + os_len;
249 printf (" Uncompressing %s ... ", type_name);
250 if (gunzip ((void *)load_start, unc_len,
251 (uchar *)os_data, &os_len) != 0) {
252 puts ("GUNZIP ERROR - must RESET board to recover\n");
253 show_boot_progress (-6);
254 do_reset (cmdtp, flag, argc, argv);
257 load_end = load_start + os_len;
261 printf (" Uncompressing %s ... ", type_name);
263 * If we've got less than 4 MB of malloc() space,
264 * use slower decompression algorithm which requires
265 * at most 2300 KB of memory.
267 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
268 &unc_len, (char *)os_data, os_len,
269 CFG_MALLOC_LEN < (4096 * 1024), 0);
271 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
272 show_boot_progress (-6);
273 do_reset (cmdtp, flag, argc, argv);
276 load_end = load_start + unc_len;
278 #endif /* CONFIG_BZIP2 */
282 printf ("Unimplemented compression type %d\n", comp);
283 show_boot_progress (-7);
287 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
288 show_boot_progress (7);
290 if ((load_start < image_end) && (load_end > image_start)) {
291 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
292 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
294 puts ("ERROR: image overwritten - must RESET the board to recover.\n");
295 do_reset (cmdtp, flag, argc, argv);
298 show_boot_progress (8);
300 lmb_reserve(&lmb, load_start, (load_end - load_start));
303 default: /* handled by (original) Linux case */
305 #ifdef CONFIG_SILENT_CONSOLE
306 fixup_silent_linux();
308 do_bootm_linux (cmdtp, flag, argc, argv, &images);
312 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
315 #ifdef CONFIG_LYNXKDI
317 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
322 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
325 #if defined(CONFIG_CMD_ELF)
327 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
331 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
337 do_bootm_artos (cmdtp, flag, argc, argv, &images);
342 show_boot_progress (-9);
344 puts ("\n## Control returned to monitor - resetting...\n");
345 do_reset (cmdtp, flag, argc, argv);
351 * image_get_kernel - verify legacy format kernel image
352 * @img_addr: in RAM address of the legacy format image to be verified
353 * @verify: data CRC verification flag
355 * image_get_kernel() verifies legacy image integrity and returns pointer to
356 * legacy image header if image verification was completed successfully.
359 * pointer to a legacy image header if valid image was found
360 * otherwise return NULL
362 static image_header_t *image_get_kernel (ulong img_addr, int verify)
364 image_header_t *hdr = (image_header_t *)img_addr;
366 if (!image_check_magic(hdr)) {
367 puts ("Bad Magic Number\n");
368 show_boot_progress (-1);
371 show_boot_progress (2);
373 if (!image_check_hcrc (hdr)) {
374 puts ("Bad Header Checksum\n");
375 show_boot_progress (-2);
379 show_boot_progress (3);
380 image_print_contents (hdr);
383 puts (" Verifying Checksum ... ");
384 if (!image_check_dcrc (hdr)) {
385 printf ("Bad Data CRC\n");
386 show_boot_progress (-3);
391 show_boot_progress (4);
393 if (!image_check_target_arch (hdr)) {
394 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
395 show_boot_progress (-4);
402 * fit_check_kernel - verify FIT format kernel subimage
403 * @fit_hdr: pointer to the FIT image header
404 * os_noffset: kernel subimage node offset within FIT image
405 * @verify: data CRC verification flag
407 * fit_check_kernel() verifies integrity of the kernel subimage and from
408 * specified FIT image.
414 #if defined (CONFIG_FIT)
415 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
417 fit_image_print (fit, os_noffset, " ");
420 puts (" Verifying Hash Integrity ... ");
421 if (!fit_image_check_hashes (fit, os_noffset)) {
422 puts ("Bad Data Hash\n");
428 if (!fit_image_check_target_arch (fit, os_noffset)) {
429 puts ("Unsupported Architecture\n");
433 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
434 puts ("Not a kernel image\n");
440 #endif /* CONFIG_FIT */
443 * boot_get_kernel - find kernel image
444 * @os_data: pointer to a ulong variable, will hold os data start address
445 * @os_len: pointer to a ulong variable, will hold os data length
447 * boot_get_kernel() tries to find a kernel image, verifies its integrity
448 * and locates kernel data.
451 * pointer to image header if valid image was found, plus kernel start
452 * address and length, otherwise NULL
454 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
455 bootm_headers_t *images, ulong *os_data, ulong *os_len)
459 #if defined(CONFIG_FIT)
461 const char *fit_uname_config = NULL;
462 const char *fit_uname_kernel = NULL;
469 /* find out kernel image address */
471 img_addr = load_addr;
472 debug ("* kernel: default image load address = 0x%08lx\n",
474 #if defined(CONFIG_FIT)
475 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
476 &fit_uname_config)) {
477 debug ("* kernel: config '%s' from image at 0x%08lx\n",
478 fit_uname_config, img_addr);
479 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
480 &fit_uname_kernel)) {
481 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
482 fit_uname_kernel, img_addr);
485 img_addr = simple_strtoul(argv[1], NULL, 16);
486 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
489 show_boot_progress (1);
491 /* copy from dataflash if needed */
492 img_addr = genimg_get_image (img_addr);
494 /* check image type, for FIT images get FIT kernel node */
495 *os_data = *os_len = 0;
496 switch (genimg_get_format ((void *)img_addr)) {
497 case IMAGE_FORMAT_LEGACY:
498 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
500 hdr = image_get_kernel (img_addr, images->verify);
503 show_boot_progress (5);
505 /* get os_data and os_len */
506 switch (image_get_type (hdr)) {
508 *os_data = image_get_data (hdr);
509 *os_len = image_get_data_size (hdr);
512 image_multi_getimg (hdr, 0, os_data, os_len);
515 printf ("Wrong Image Type for %s command\n", cmdtp->name);
516 show_boot_progress (-5);
519 images->legacy_hdr_os = hdr;
520 images->legacy_hdr_valid = 1;
523 #if defined(CONFIG_FIT)
524 case IMAGE_FORMAT_FIT:
525 fit_hdr = (void *)img_addr;
526 printf ("## Booting kernel from FIT Image at %08lx ...\n",
529 if (!fit_check_format (fit_hdr)) {
530 puts ("Bad FIT kernel image format!\n");
534 if (!fit_uname_kernel) {
536 * no kernel image node unit name, try to get config
537 * node first. If config unit node name is NULL
538 * fit_conf_get_node() will try to find default config node
540 conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
541 if (conf_noffset < 0)
544 os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset);
545 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
547 /* get kernel component image node offset */
548 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
553 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
555 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
558 /* get kernel image data address and length */
559 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
560 puts ("Could not find kernel subimage data!\n");
565 *os_data = (ulong)data;
566 images->fit_hdr_os = fit_hdr;
567 images->fit_uname_os = fit_uname_kernel;
571 printf ("Wrong Image Format for %s command\n", cmdtp->name);
575 debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n",
576 *os_data, *os_len, *os_len);
578 return (void *)img_addr;
582 bootm, CFG_MAXARGS, 1, do_bootm,
583 "bootm - boot application image from memory\n",
584 "[addr [arg ...]]\n - boot application image stored in memory\n"
585 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
586 "\t'arg' can be the address of an initrd image\n"
587 #if defined(CONFIG_OF_LIBFDT)
588 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
589 "\ta third argument is required which is the address of the\n"
590 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
591 "\tuse a '-' for the second argument. If you do not pass a third\n"
592 "\ta bd_info struct will be passed instead\n"
594 #if defined(CONFIG_FIT)
595 "\t\nFor the new multi component uImage format (FIT) addresses\n"
596 "\tmust be extened to include component or configuration unit name:\n"
597 "\taddr:<subimg_uname> - direct component image specification\n"
598 "\taddr#<conf_uname> - configuration specification\n"
599 "\tUse iminfo command to get the list of existing component\n"
600 "\timages and configurations.\n"
604 /*******************************************************************/
605 /* bootd - boot default image */
606 /*******************************************************************/
607 #if defined(CONFIG_CMD_BOOTD)
608 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
612 #ifndef CFG_HUSH_PARSER
613 if (run_command (getenv ("bootcmd"), flag) < 0)
616 if (parse_string_outer (getenv ("bootcmd"),
617 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
624 boot, 1, 1, do_bootd,
625 "boot - boot default, i.e., run 'bootcmd'\n",
629 /* keep old command name "bootd" for backward compatibility */
631 bootd, 1, 1, do_bootd,
632 "bootd - boot default, i.e., run 'bootcmd'\n",
639 /*******************************************************************/
640 /* iminfo - print header info for a requested image */
641 /*******************************************************************/
642 #if defined(CONFIG_CMD_IMI)
643 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
650 return image_info (load_addr);
653 for (arg = 1; arg < argc; ++arg) {
654 addr = simple_strtoul (argv[arg], NULL, 16);
655 if (image_info (addr) != 0)
661 static int image_info (ulong addr)
663 void *hdr = (void *)addr;
665 printf ("\n## Checking Image at %08lx ...\n", addr);
667 switch (genimg_get_format (hdr)) {
668 case IMAGE_FORMAT_LEGACY:
669 puts (" Legacy image found\n");
670 if (!image_check_magic (hdr)) {
671 puts (" Bad Magic Number\n");
675 if (!image_check_hcrc (hdr)) {
676 puts (" Bad Header Checksum\n");
680 image_print_contents (hdr);
682 puts (" Verifying Checksum ... ");
683 if (!image_check_dcrc (hdr)) {
684 puts (" Bad Data CRC\n");
689 #if defined(CONFIG_FIT)
690 case IMAGE_FORMAT_FIT:
691 puts (" FIT image found\n");
693 if (!fit_check_format (hdr)) {
694 puts ("Bad FIT image format!\n");
698 fit_print_contents (hdr);
702 puts ("Unknown image format!\n");
710 iminfo, CFG_MAXARGS, 1, do_iminfo,
711 "iminfo - print header information for application image\n",
713 " - print header information for application image starting at\n"
714 " address 'addr' in memory; this includes verification of the\n"
715 " image contents (magic number, header and payload checksums)\n"
720 /*******************************************************************/
721 /* imls - list all images found in flash */
722 /*******************************************************************/
723 #if defined(CONFIG_CMD_IMLS)
724 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
730 for (i = 0, info = &flash_info[0];
731 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
733 if (info->flash_id == FLASH_UNKNOWN)
735 for (j = 0; j < info->sector_count; ++j) {
737 hdr = (void *)info->start[j];
741 switch (genimg_get_format (hdr)) {
742 case IMAGE_FORMAT_LEGACY:
743 if (!image_check_hcrc (hdr))
746 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
747 image_print_contents (hdr);
749 puts (" Verifying Checksum ... ");
750 if (!image_check_dcrc (hdr)) {
751 puts ("Bad Data CRC\n");
756 #if defined(CONFIG_FIT)
757 case IMAGE_FORMAT_FIT:
758 if (!fit_check_format (hdr))
761 printf ("FIT Image at %08lX:\n", (ulong)hdr);
762 fit_print_contents (hdr);
779 "imls - list all images found in flash\n",
781 " - Prints information about all images found at sector\n"
782 " boundaries in flash.\n"
786 /*******************************************************************/
787 /* helper routines */
788 /*******************************************************************/
789 #ifdef CONFIG_SILENT_CONSOLE
790 static void fixup_silent_linux ()
792 char buf[256], *start, *end;
793 char *cmdline = getenv ("bootargs");
795 /* Only fix cmdline when requested */
796 if (!(gd->flags & GD_FLG_SILENT))
799 debug ("before silent fix-up: %s\n", cmdline);
801 if ((start = strstr (cmdline, "console=")) != NULL) {
802 end = strchr (start, ' ');
803 strncpy (buf, cmdline, (start - cmdline + 8));
805 strcpy (buf + (start - cmdline + 8), end);
807 buf[start - cmdline + 8] = '\0';
809 strcpy (buf, cmdline);
810 strcat (buf, " console=");
813 strcpy (buf, "console=");
816 setenv ("bootargs", buf);
817 debug ("after silent fix-up: %s\n", buf);
819 #endif /* CONFIG_SILENT_CONSOLE */
822 /*******************************************************************/
823 /* OS booting routines */
824 /*******************************************************************/
826 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
827 int argc, char *argv[],
828 bootm_headers_t *images)
830 void (*loader)(bd_t *, image_header_t *, char *, char *);
831 image_header_t *os_hdr, *hdr;
832 ulong kernel_data, kernel_len;
836 #if defined(CONFIG_FIT)
837 if (!images->legacy_hdr_valid) {
838 fit_unsupported_reset ("NetBSD");
839 do_reset (cmdtp, flag, argc, argv);
842 hdr = images->legacy_hdr_os;
845 * Booting a (NetBSD) kernel image
847 * This process is pretty similar to a standalone application:
848 * The (first part of an multi-) image must be a stage-2 loader,
849 * which in turn is responsible for loading & invoking the actual
850 * kernel. The only differences are the parameters being passed:
851 * besides the board info strucure, the loader expects a command
852 * line, the name of the console device, and (optionally) the
853 * address of the original image header.
856 if (image_check_type (hdr, IH_TYPE_MULTI)) {
857 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
863 #if defined (CONFIG_8xx_CONS_SMC1)
865 #elif defined (CONFIG_8xx_CONS_SMC2)
867 #elif defined (CONFIG_8xx_CONS_SCC2)
869 #elif defined (CONFIG_8xx_CONS_SCC3)
877 for (i = 2, len = 0; i < argc; i += 1)
878 len += strlen (argv[i]) + 1;
879 cmdline = malloc (len);
881 for (i = 2, len = 0; i < argc; i += 1) {
883 cmdline[len++] = ' ';
884 strcpy (&cmdline[len], argv[i]);
885 len += strlen (argv[i]);
887 } else if ((cmdline = getenv ("bootargs")) == NULL) {
891 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
893 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
896 show_boot_progress (15);
899 * NetBSD Stage-2 Loader Parameters:
900 * r3: ptr to board info data
903 * r6: boot args string
905 (*loader) (gd->bd, os_hdr, consdev, cmdline);
908 #ifdef CONFIG_LYNXKDI
909 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
910 int argc, char *argv[],
911 bootm_headers_t *images)
913 image_header_t *hdr = images->legacy_hdr_os;
915 #if defined(CONFIG_FIT)
916 if (!images->legacy_hdr_valid) {
917 fit_unsupported_reset ("Lynx");
918 do_reset (cmdtp, flag, argc, argv);
922 lynxkdi_boot ((image_header_t *)hdr);
924 #endif /* CONFIG_LYNXKDI */
926 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
927 int argc, char *argv[],
928 bootm_headers_t *images)
930 image_header_t *hdr = images->legacy_hdr_os;
931 void (*entry_point)(bd_t *);
933 #if defined(CONFIG_FIT)
934 if (!images->legacy_hdr_valid) {
935 fit_unsupported_reset ("RTEMS");
936 do_reset (cmdtp, flag, argc, argv);
940 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
942 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
945 show_boot_progress (15);
949 * r3: ptr to board info data
951 (*entry_point)(gd->bd);
954 #if defined(CONFIG_CMD_ELF)
955 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
956 int argc, char *argv[],
957 bootm_headers_t *images)
960 image_header_t *hdr = images->legacy_hdr_os;
962 #if defined(CONFIG_FIT)
964 fit_unsupported_reset ("VxWorks");
965 do_reset (cmdtp, flag, argc, argv);
969 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
970 setenv("loadaddr", str);
971 do_bootvx(cmdtp, 0, 0, NULL);
974 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
975 int argc, char *argv[],
976 bootm_headers_t *images)
980 image_header_t *hdr = images->legacy_hdr_os;
982 #if defined(CONFIG_FIT)
983 if (!images->legacy_hdr_valid) {
984 fit_unsupported_reset ("QNX");
985 do_reset (cmdtp, flag, argc, argv);
989 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
990 local_args[0] = argv[0];
991 local_args[1] = str; /* and provide it via the arguments */
992 do_bootelf(cmdtp, 0, 2, local_args);
996 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
997 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
998 int argc, char *argv[],
999 bootm_headers_t *images)
1004 int i, j, nxt, len, envno, envsz;
1006 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1007 image_header_t *hdr = images->legacy_hdr_os;
1009 #if defined(CONFIG_FIT)
1010 if (!images->legacy_hdr_valid) {
1011 fit_unsupported_reset ("ARTOS");
1012 do_reset (cmdtp, flag, argc, argv);
1017 * Booting an ARTOS kernel image + application
1020 /* this used to be the top of memory, but was wrong... */
1022 /* get stack pointer */
1023 asm volatile ("mr %0,1" : "=r"(top) );
1025 debug ("## Current stack ends at 0x%08lX ", top);
1027 top -= 2048; /* just to be sure */
1028 if (top > CFG_BOOTMAPSZ)
1029 top = CFG_BOOTMAPSZ;
1032 debug ("=> set upper limit to 0x%08lX\n", top);
1034 /* first check the artos specific boot args, then the linux args*/
1035 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1038 /* get length of cmdline, and place it */
1040 top = (top - (len + 1)) & ~0xF;
1041 cmdline = (char *)top;
1042 debug ("## cmdline at 0x%08lX ", top);
1043 strcpy (cmdline, s);
1046 top = (top - sizeof (bd_t)) & ~0xF;
1047 debug ("## bd at 0x%08lX ", top);
1049 memcpy (kbd, gd->bd, sizeof (bd_t));
1051 /* first find number of env entries, and their size */
1054 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1055 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1058 envsz += (nxt - i) + 1; /* plus trailing zero */
1060 envno++; /* plus the terminating zero */
1061 debug ("## %u envvars total size %u ", envno, envsz);
1063 top = (top - sizeof (char **) * envno) & ~0xF;
1064 fwenv = (char **)top;
1065 debug ("## fwenv at 0x%08lX ", top);
1067 top = (top - envsz) & ~0xF;
1072 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1073 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1076 for (j = i; j < nxt; ++j)
1077 *s++ = env_get_char (j);
1080 *ss++ = NULL; /* terminate */
1082 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
1083 (*entry) (kbd, cmdline, fwenv, top);