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 /* get image parameters */
159 switch (genimg_get_format (os_hdr)) {
160 case IMAGE_FORMAT_LEGACY:
161 type = image_get_type (os_hdr);
162 comp = image_get_comp (os_hdr);
163 os = image_get_os (os_hdr);
165 image_end = image_get_image_end (os_hdr);
166 load_start = image_get_load (os_hdr);
168 #if defined(CONFIG_FIT)
169 case IMAGE_FORMAT_FIT:
170 if (fit_image_get_type (images.fit_hdr_os,
171 images.fit_noffset_os, &type)) {
172 puts ("Can't get image type!\n");
173 show_boot_progress (-109);
177 if (fit_image_get_comp (images.fit_hdr_os,
178 images.fit_noffset_os, &comp)) {
179 puts ("Can't get image compression!\n");
180 show_boot_progress (-110);
184 if (fit_image_get_os (images.fit_hdr_os,
185 images.fit_noffset_os, &os)) {
186 puts ("Can't get image OS!\n");
187 show_boot_progress (-111);
191 image_end = fit_get_end (images.fit_hdr_os);
193 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
195 puts ("Can't get image load address!\n");
196 show_boot_progress (-112);
202 puts ("ERROR: unknown image format type!\n");
206 image_start = (ulong)os_hdr;
208 type_name = genimg_get_type_name (type);
211 * We have reached the point of no return: we are going to
212 * overwrite all exception vector code, so we cannot easily
213 * recover from any failures any more...
215 iflag = disable_interrupts();
217 #ifdef CONFIG_AMIGAONEG3SE
219 * We've possible left the caches enabled during
220 * bios emulation, so turn them off again
223 invalidate_l1_instruction_cache();
230 if (load_start == (ulong)os_hdr) {
231 printf (" XIP %s ... ", type_name);
233 printf (" Loading %s ... ", type_name);
235 memmove_wd ((void *)load_start,
236 (void *)os_data, os_len, CHUNKSZ);
238 load_end = load_start + os_len;
243 printf (" Uncompressing %s ... ", type_name);
244 if (gunzip ((void *)load_start, unc_len,
245 (uchar *)os_data, &os_len) != 0) {
246 puts ("GUNZIP: uncompress or overwrite error "
247 "- must RESET board to recover\n");
248 show_boot_progress (-6);
249 do_reset (cmdtp, flag, argc, argv);
252 load_end = load_start + os_len;
256 printf (" Uncompressing %s ... ", type_name);
258 * If we've got less than 4 MB of malloc() space,
259 * use slower decompression algorithm which requires
260 * at most 2300 KB of memory.
262 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
263 &unc_len, (char *)os_data, os_len,
264 CFG_MALLOC_LEN < (4096 * 1024), 0);
266 printf ("BUNZIP2: uncompress or overwrite error %d "
267 "- must RESET board to recover\n", i);
268 show_boot_progress (-6);
269 do_reset (cmdtp, flag, argc, argv);
272 load_end = load_start + unc_len;
274 #endif /* CONFIG_BZIP2 */
278 printf ("Unimplemented compression type %d\n", comp);
279 show_boot_progress (-7);
283 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
284 show_boot_progress (7);
286 if ((load_start < image_end) && (load_end > image_start)) {
287 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
288 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
290 puts ("ERROR: image overwritten - must RESET the board to recover.\n");
291 show_boot_progress (-113);
292 do_reset (cmdtp, flag, argc, argv);
295 show_boot_progress (8);
297 lmb_reserve(&lmb, load_start, (load_end - load_start));
300 default: /* handled by (original) Linux case */
302 #ifdef CONFIG_SILENT_CONSOLE
303 fixup_silent_linux();
305 do_bootm_linux (cmdtp, flag, argc, argv, &images);
309 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
312 #ifdef CONFIG_LYNXKDI
314 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
319 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
322 #if defined(CONFIG_CMD_ELF)
324 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
328 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
334 do_bootm_artos (cmdtp, flag, argc, argv, &images);
339 show_boot_progress (-9);
341 puts ("\n## Control returned to monitor - resetting...\n");
342 if (images.autostart)
343 do_reset (cmdtp, flag, argc, argv);
345 if (!images.autostart && iflag)
352 * image_get_kernel - verify legacy format kernel image
353 * @img_addr: in RAM address of the legacy format image to be verified
354 * @verify: data CRC verification flag
356 * image_get_kernel() verifies legacy image integrity and returns pointer to
357 * legacy image header if image verification was completed successfully.
360 * pointer to a legacy image header if valid image was found
361 * otherwise return NULL
363 static image_header_t *image_get_kernel (ulong img_addr, int verify)
365 image_header_t *hdr = (image_header_t *)img_addr;
367 if (!image_check_magic(hdr)) {
368 puts ("Bad Magic Number\n");
369 show_boot_progress (-1);
372 show_boot_progress (2);
374 if (!image_check_hcrc (hdr)) {
375 puts ("Bad Header Checksum\n");
376 show_boot_progress (-2);
380 show_boot_progress (3);
381 image_print_contents (hdr);
384 puts (" Verifying Checksum ... ");
385 if (!image_check_dcrc (hdr)) {
386 printf ("Bad Data CRC\n");
387 show_boot_progress (-3);
392 show_boot_progress (4);
394 if (!image_check_target_arch (hdr)) {
395 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
396 show_boot_progress (-4);
403 * fit_check_kernel - verify FIT format kernel subimage
404 * @fit_hdr: pointer to the FIT image header
405 * os_noffset: kernel subimage node offset within FIT image
406 * @verify: data CRC verification flag
408 * fit_check_kernel() verifies integrity of the kernel subimage and from
409 * specified FIT image.
415 #if defined (CONFIG_FIT)
416 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
418 fit_image_print (fit, os_noffset, " ");
421 puts (" Verifying Hash Integrity ... ");
422 if (!fit_image_check_hashes (fit, os_noffset)) {
423 puts ("Bad Data Hash\n");
424 show_boot_progress (-104);
429 show_boot_progress (105);
431 if (!fit_image_check_target_arch (fit, os_noffset)) {
432 puts ("Unsupported Architecture\n");
433 show_boot_progress (-105);
437 show_boot_progress (106);
438 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
439 puts ("Not a kernel image\n");
440 show_boot_progress (-106);
444 show_boot_progress (107);
447 #endif /* CONFIG_FIT */
450 * boot_get_kernel - find kernel image
451 * @os_data: pointer to a ulong variable, will hold os data start address
452 * @os_len: pointer to a ulong variable, will hold os data length
454 * boot_get_kernel() tries to find a kernel image, verifies its integrity
455 * and locates kernel data.
458 * pointer to image header if valid image was found, plus kernel start
459 * address and length, otherwise NULL
461 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
462 bootm_headers_t *images, ulong *os_data, ulong *os_len)
466 #if defined(CONFIG_FIT)
468 const char *fit_uname_config = NULL;
469 const char *fit_uname_kernel = NULL;
476 /* find out kernel image address */
478 img_addr = load_addr;
479 debug ("* kernel: default image load address = 0x%08lx\n",
481 #if defined(CONFIG_FIT)
482 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
483 &fit_uname_config)) {
484 debug ("* kernel: config '%s' from image at 0x%08lx\n",
485 fit_uname_config, img_addr);
486 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
487 &fit_uname_kernel)) {
488 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
489 fit_uname_kernel, img_addr);
492 img_addr = simple_strtoul(argv[1], NULL, 16);
493 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
496 show_boot_progress (1);
498 /* copy from dataflash if needed */
499 img_addr = genimg_get_image (img_addr);
501 /* check image type, for FIT images get FIT kernel node */
502 *os_data = *os_len = 0;
503 switch (genimg_get_format ((void *)img_addr)) {
504 case IMAGE_FORMAT_LEGACY:
505 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
507 hdr = image_get_kernel (img_addr, images->verify);
510 show_boot_progress (5);
512 /* get os_data and os_len */
513 switch (image_get_type (hdr)) {
515 *os_data = image_get_data (hdr);
516 *os_len = image_get_data_size (hdr);
519 image_multi_getimg (hdr, 0, os_data, os_len);
522 printf ("Wrong Image Type for %s command\n", cmdtp->name);
523 show_boot_progress (-5);
526 images->legacy_hdr_os = hdr;
527 images->legacy_hdr_valid = 1;
529 show_boot_progress (6);
531 #if defined(CONFIG_FIT)
532 case IMAGE_FORMAT_FIT:
533 fit_hdr = (void *)img_addr;
534 printf ("## Booting kernel from FIT Image at %08lx ...\n",
537 if (!fit_check_format (fit_hdr)) {
538 puts ("Bad FIT kernel image format!\n");
539 show_boot_progress (-100);
542 show_boot_progress (100);
544 if (!fit_uname_kernel) {
546 * no kernel image node unit name, try to get config
547 * node first. If config unit node name is NULL
548 * fit_conf_get_node() will try to find default config node
550 show_boot_progress (101);
551 conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
552 if (conf_noffset < 0) {
553 show_boot_progress (-101);
557 os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset);
558 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
560 /* get kernel component image node offset */
561 show_boot_progress (102);
562 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
564 if (os_noffset < 0) {
565 show_boot_progress (-103);
569 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
571 show_boot_progress (104);
572 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
575 /* get kernel image data address and length */
576 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
577 puts ("Could not find kernel subimage data!\n");
578 show_boot_progress (-107);
581 show_boot_progress (108);
584 *os_data = (ulong)data;
585 images->fit_hdr_os = fit_hdr;
586 images->fit_uname_os = fit_uname_kernel;
587 images->fit_noffset_os = os_noffset;
591 printf ("Wrong Image Format for %s command\n", cmdtp->name);
592 show_boot_progress (-108);
596 debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n",
597 *os_data, *os_len, *os_len);
599 return (void *)img_addr;
603 bootm, CFG_MAXARGS, 1, do_bootm,
604 "bootm - boot application image from memory\n",
605 "[addr [arg ...]]\n - boot application image stored in memory\n"
606 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
607 "\t'arg' can be the address of an initrd image\n"
608 #if defined(CONFIG_OF_LIBFDT)
609 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
610 "\ta third argument is required which is the address of the\n"
611 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
612 "\tuse a '-' for the second argument. If you do not pass a third\n"
613 "\ta bd_info struct will be passed instead\n"
615 #if defined(CONFIG_FIT)
616 "\t\nFor the new multi component uImage format (FIT) addresses\n"
617 "\tmust be extened to include component or configuration unit name:\n"
618 "\taddr:<subimg_uname> - direct component image specification\n"
619 "\taddr#<conf_uname> - configuration specification\n"
620 "\tUse iminfo command to get the list of existing component\n"
621 "\timages and configurations.\n"
625 /*******************************************************************/
626 /* bootd - boot default image */
627 /*******************************************************************/
628 #if defined(CONFIG_CMD_BOOTD)
629 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
633 #ifndef CFG_HUSH_PARSER
634 if (run_command (getenv ("bootcmd"), flag) < 0)
637 if (parse_string_outer (getenv ("bootcmd"),
638 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
645 boot, 1, 1, do_bootd,
646 "boot - boot default, i.e., run 'bootcmd'\n",
650 /* keep old command name "bootd" for backward compatibility */
652 bootd, 1, 1, do_bootd,
653 "bootd - boot default, i.e., run 'bootcmd'\n",
660 /*******************************************************************/
661 /* iminfo - print header info for a requested image */
662 /*******************************************************************/
663 #if defined(CONFIG_CMD_IMI)
664 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
671 return image_info (load_addr);
674 for (arg = 1; arg < argc; ++arg) {
675 addr = simple_strtoul (argv[arg], NULL, 16);
676 if (image_info (addr) != 0)
682 static int image_info (ulong addr)
684 void *hdr = (void *)addr;
686 printf ("\n## Checking Image at %08lx ...\n", addr);
688 switch (genimg_get_format (hdr)) {
689 case IMAGE_FORMAT_LEGACY:
690 puts (" Legacy image found\n");
691 if (!image_check_magic (hdr)) {
692 puts (" Bad Magic Number\n");
696 if (!image_check_hcrc (hdr)) {
697 puts (" Bad Header Checksum\n");
701 image_print_contents (hdr);
703 puts (" Verifying Checksum ... ");
704 if (!image_check_dcrc (hdr)) {
705 puts (" Bad Data CRC\n");
710 #if defined(CONFIG_FIT)
711 case IMAGE_FORMAT_FIT:
712 puts (" FIT image found\n");
714 if (!fit_check_format (hdr)) {
715 puts ("Bad FIT image format!\n");
719 fit_print_contents (hdr);
723 puts ("Unknown image format!\n");
731 iminfo, CFG_MAXARGS, 1, do_iminfo,
732 "iminfo - print header information for application image\n",
734 " - print header information for application image starting at\n"
735 " address 'addr' in memory; this includes verification of the\n"
736 " image contents (magic number, header and payload checksums)\n"
741 /*******************************************************************/
742 /* imls - list all images found in flash */
743 /*******************************************************************/
744 #if defined(CONFIG_CMD_IMLS)
745 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
751 for (i = 0, info = &flash_info[0];
752 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
754 if (info->flash_id == FLASH_UNKNOWN)
756 for (j = 0; j < info->sector_count; ++j) {
758 hdr = (void *)info->start[j];
762 switch (genimg_get_format (hdr)) {
763 case IMAGE_FORMAT_LEGACY:
764 if (!image_check_hcrc (hdr))
767 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
768 image_print_contents (hdr);
770 puts (" Verifying Checksum ... ");
771 if (!image_check_dcrc (hdr)) {
772 puts ("Bad Data CRC\n");
777 #if defined(CONFIG_FIT)
778 case IMAGE_FORMAT_FIT:
779 if (!fit_check_format (hdr))
782 printf ("FIT Image at %08lX:\n", (ulong)hdr);
783 fit_print_contents (hdr);
800 "imls - list all images found in flash\n",
802 " - Prints information about all images found at sector\n"
803 " boundaries in flash.\n"
807 /*******************************************************************/
808 /* helper routines */
809 /*******************************************************************/
810 #ifdef CONFIG_SILENT_CONSOLE
811 static void fixup_silent_linux ()
813 char buf[256], *start, *end;
814 char *cmdline = getenv ("bootargs");
816 /* Only fix cmdline when requested */
817 if (!(gd->flags & GD_FLG_SILENT))
820 debug ("before silent fix-up: %s\n", cmdline);
822 if ((start = strstr (cmdline, "console=")) != NULL) {
823 end = strchr (start, ' ');
824 strncpy (buf, cmdline, (start - cmdline + 8));
826 strcpy (buf + (start - cmdline + 8), end);
828 buf[start - cmdline + 8] = '\0';
830 strcpy (buf, cmdline);
831 strcat (buf, " console=");
834 strcpy (buf, "console=");
837 setenv ("bootargs", buf);
838 debug ("after silent fix-up: %s\n", buf);
840 #endif /* CONFIG_SILENT_CONSOLE */
843 /*******************************************************************/
844 /* OS booting routines */
845 /*******************************************************************/
847 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
848 int argc, char *argv[],
849 bootm_headers_t *images)
851 void (*loader)(bd_t *, image_header_t *, char *, char *);
852 image_header_t *os_hdr, *hdr;
853 ulong kernel_data, kernel_len;
857 #if defined(CONFIG_FIT)
858 if (!images->legacy_hdr_valid) {
859 fit_unsupported_reset ("NetBSD");
860 do_reset (cmdtp, flag, argc, argv);
863 hdr = images->legacy_hdr_os;
866 * Booting a (NetBSD) kernel image
868 * This process is pretty similar to a standalone application:
869 * The (first part of an multi-) image must be a stage-2 loader,
870 * which in turn is responsible for loading & invoking the actual
871 * kernel. The only differences are the parameters being passed:
872 * besides the board info strucure, the loader expects a command
873 * line, the name of the console device, and (optionally) the
874 * address of the original image header.
877 if (image_check_type (hdr, IH_TYPE_MULTI)) {
878 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
884 #if defined (CONFIG_8xx_CONS_SMC1)
886 #elif defined (CONFIG_8xx_CONS_SMC2)
888 #elif defined (CONFIG_8xx_CONS_SCC2)
890 #elif defined (CONFIG_8xx_CONS_SCC3)
898 for (i = 2, len = 0; i < argc; i += 1)
899 len += strlen (argv[i]) + 1;
900 cmdline = malloc (len);
902 for (i = 2, len = 0; i < argc; i += 1) {
904 cmdline[len++] = ' ';
905 strcpy (&cmdline[len], argv[i]);
906 len += strlen (argv[i]);
908 } else if ((cmdline = getenv ("bootargs")) == NULL) {
912 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
914 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
917 show_boot_progress (15);
920 * NetBSD Stage-2 Loader Parameters:
921 * r3: ptr to board info data
924 * r6: boot args string
926 (*loader) (gd->bd, os_hdr, consdev, cmdline);
929 #ifdef CONFIG_LYNXKDI
930 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
931 int argc, char *argv[],
932 bootm_headers_t *images)
934 image_header_t *hdr = images->legacy_hdr_os;
936 #if defined(CONFIG_FIT)
937 if (!images->legacy_hdr_valid) {
938 fit_unsupported_reset ("Lynx");
939 do_reset (cmdtp, flag, argc, argv);
943 lynxkdi_boot ((image_header_t *)hdr);
945 #endif /* CONFIG_LYNXKDI */
947 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
948 int argc, char *argv[],
949 bootm_headers_t *images)
951 image_header_t *hdr = images->legacy_hdr_os;
952 void (*entry_point)(bd_t *);
954 #if defined(CONFIG_FIT)
955 if (!images->legacy_hdr_valid) {
956 fit_unsupported_reset ("RTEMS");
957 do_reset (cmdtp, flag, argc, argv);
961 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
963 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
966 show_boot_progress (15);
970 * r3: ptr to board info data
972 (*entry_point)(gd->bd);
975 #if defined(CONFIG_CMD_ELF)
976 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
977 int argc, char *argv[],
978 bootm_headers_t *images)
981 image_header_t *hdr = images->legacy_hdr_os;
983 #if defined(CONFIG_FIT)
985 fit_unsupported_reset ("VxWorks");
986 do_reset (cmdtp, flag, argc, argv);
990 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
991 setenv("loadaddr", str);
992 do_bootvx(cmdtp, 0, 0, NULL);
995 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
996 int argc, char *argv[],
997 bootm_headers_t *images)
1001 image_header_t *hdr = images->legacy_hdr_os;
1003 #if defined(CONFIG_FIT)
1004 if (!images->legacy_hdr_valid) {
1005 fit_unsupported_reset ("QNX");
1006 do_reset (cmdtp, flag, argc, argv);
1010 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1011 local_args[0] = argv[0];
1012 local_args[1] = str; /* and provide it via the arguments */
1013 do_bootelf(cmdtp, 0, 2, local_args);
1017 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1018 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1019 int argc, char *argv[],
1020 bootm_headers_t *images)
1025 int i, j, nxt, len, envno, envsz;
1027 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1028 image_header_t *hdr = images->legacy_hdr_os;
1030 #if defined(CONFIG_FIT)
1031 if (!images->legacy_hdr_valid) {
1032 fit_unsupported_reset ("ARTOS");
1033 do_reset (cmdtp, flag, argc, argv);
1038 * Booting an ARTOS kernel image + application
1041 /* this used to be the top of memory, but was wrong... */
1043 /* get stack pointer */
1044 asm volatile ("mr %0,1" : "=r"(top) );
1046 debug ("## Current stack ends at 0x%08lX ", top);
1048 top -= 2048; /* just to be sure */
1049 if (top > CFG_BOOTMAPSZ)
1050 top = CFG_BOOTMAPSZ;
1053 debug ("=> set upper limit to 0x%08lX\n", top);
1055 /* first check the artos specific boot args, then the linux args*/
1056 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1059 /* get length of cmdline, and place it */
1061 top = (top - (len + 1)) & ~0xF;
1062 cmdline = (char *)top;
1063 debug ("## cmdline at 0x%08lX ", top);
1064 strcpy (cmdline, s);
1067 top = (top - sizeof (bd_t)) & ~0xF;
1068 debug ("## bd at 0x%08lX ", top);
1070 memcpy (kbd, gd->bd, sizeof (bd_t));
1072 /* first find number of env entries, and their size */
1075 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1076 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1079 envsz += (nxt - i) + 1; /* plus trailing zero */
1081 envno++; /* plus the terminating zero */
1082 debug ("## %u envvars total size %u ", envno, envsz);
1084 top = (top - sizeof (char **) * envno) & ~0xF;
1085 fwenv = (char **)top;
1086 debug ("## fwenv at 0x%08lX ", top);
1088 top = (top - envsz) & ~0xF;
1093 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1094 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1097 for (j = i; j < nxt; ++j)
1098 *s++ = env_get_char (j);
1101 *ss++ = NULL; /* terminate */
1103 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
1104 (*entry) (kbd, cmdline, fwenv, top);