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 ERROR - must RESET board to recover\n");
247 show_boot_progress (-6);
248 do_reset (cmdtp, flag, argc, argv);
251 load_end = load_start + os_len;
255 printf (" Uncompressing %s ... ", type_name);
257 * If we've got less than 4 MB of malloc() space,
258 * use slower decompression algorithm which requires
259 * at most 2300 KB of memory.
261 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
262 &unc_len, (char *)os_data, os_len,
263 CFG_MALLOC_LEN < (4096 * 1024), 0);
265 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
266 show_boot_progress (-6);
267 do_reset (cmdtp, flag, argc, argv);
270 load_end = load_start + unc_len;
272 #endif /* CONFIG_BZIP2 */
276 printf ("Unimplemented compression type %d\n", comp);
277 show_boot_progress (-7);
281 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
282 show_boot_progress (7);
284 if ((load_start < image_end) && (load_end > image_start)) {
285 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
286 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
288 puts ("ERROR: image overwritten - must RESET the board to recover.\n");
289 show_boot_progress (-113);
290 do_reset (cmdtp, flag, argc, argv);
293 show_boot_progress (8);
295 lmb_reserve(&lmb, load_start, (load_end - load_start));
298 default: /* handled by (original) Linux case */
300 #ifdef CONFIG_SILENT_CONSOLE
301 fixup_silent_linux();
303 do_bootm_linux (cmdtp, flag, argc, argv, &images);
307 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
310 #ifdef CONFIG_LYNXKDI
312 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
317 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
320 #if defined(CONFIG_CMD_ELF)
322 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
326 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
332 do_bootm_artos (cmdtp, flag, argc, argv, &images);
337 show_boot_progress (-9);
339 puts ("\n## Control returned to monitor - resetting...\n");
340 if (images.autostart)
341 do_reset (cmdtp, flag, argc, argv);
343 if (!images.autostart && iflag)
350 * image_get_kernel - verify legacy format kernel image
351 * @img_addr: in RAM address of the legacy format image to be verified
352 * @verify: data CRC verification flag
354 * image_get_kernel() verifies legacy image integrity and returns pointer to
355 * legacy image header if image verification was completed successfully.
358 * pointer to a legacy image header if valid image was found
359 * otherwise return NULL
361 static image_header_t *image_get_kernel (ulong img_addr, int verify)
363 image_header_t *hdr = (image_header_t *)img_addr;
365 if (!image_check_magic(hdr)) {
366 puts ("Bad Magic Number\n");
367 show_boot_progress (-1);
370 show_boot_progress (2);
372 if (!image_check_hcrc (hdr)) {
373 puts ("Bad Header Checksum\n");
374 show_boot_progress (-2);
378 show_boot_progress (3);
379 image_print_contents (hdr);
382 puts (" Verifying Checksum ... ");
383 if (!image_check_dcrc (hdr)) {
384 printf ("Bad Data CRC\n");
385 show_boot_progress (-3);
390 show_boot_progress (4);
392 if (!image_check_target_arch (hdr)) {
393 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
394 show_boot_progress (-4);
401 * fit_check_kernel - verify FIT format kernel subimage
402 * @fit_hdr: pointer to the FIT image header
403 * os_noffset: kernel subimage node offset within FIT image
404 * @verify: data CRC verification flag
406 * fit_check_kernel() verifies integrity of the kernel subimage and from
407 * specified FIT image.
413 #if defined (CONFIG_FIT)
414 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
416 fit_image_print (fit, os_noffset, " ");
419 puts (" Verifying Hash Integrity ... ");
420 if (!fit_image_check_hashes (fit, os_noffset)) {
421 puts ("Bad Data Hash\n");
422 show_boot_progress (-104);
427 show_boot_progress (105);
429 if (!fit_image_check_target_arch (fit, os_noffset)) {
430 puts ("Unsupported Architecture\n");
431 show_boot_progress (-105);
435 show_boot_progress (106);
436 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
437 puts ("Not a kernel image\n");
438 show_boot_progress (-106);
442 show_boot_progress (107);
445 #endif /* CONFIG_FIT */
448 * boot_get_kernel - find kernel image
449 * @os_data: pointer to a ulong variable, will hold os data start address
450 * @os_len: pointer to a ulong variable, will hold os data length
452 * boot_get_kernel() tries to find a kernel image, verifies its integrity
453 * and locates kernel data.
456 * pointer to image header if valid image was found, plus kernel start
457 * address and length, otherwise NULL
459 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
460 bootm_headers_t *images, ulong *os_data, ulong *os_len)
464 #if defined(CONFIG_FIT)
466 const char *fit_uname_config = NULL;
467 const char *fit_uname_kernel = NULL;
474 /* find out kernel image address */
476 img_addr = load_addr;
477 debug ("* kernel: default image load address = 0x%08lx\n",
479 #if defined(CONFIG_FIT)
480 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
481 &fit_uname_config)) {
482 debug ("* kernel: config '%s' from image at 0x%08lx\n",
483 fit_uname_config, img_addr);
484 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
485 &fit_uname_kernel)) {
486 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
487 fit_uname_kernel, img_addr);
490 img_addr = simple_strtoul(argv[1], NULL, 16);
491 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
494 show_boot_progress (1);
496 /* copy from dataflash if needed */
497 img_addr = genimg_get_image (img_addr);
499 /* check image type, for FIT images get FIT kernel node */
500 *os_data = *os_len = 0;
501 switch (genimg_get_format ((void *)img_addr)) {
502 case IMAGE_FORMAT_LEGACY:
503 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
505 hdr = image_get_kernel (img_addr, images->verify);
508 show_boot_progress (5);
510 /* get os_data and os_len */
511 switch (image_get_type (hdr)) {
513 *os_data = image_get_data (hdr);
514 *os_len = image_get_data_size (hdr);
517 image_multi_getimg (hdr, 0, os_data, os_len);
520 printf ("Wrong Image Type for %s command\n", cmdtp->name);
521 show_boot_progress (-5);
524 images->legacy_hdr_os = hdr;
525 images->legacy_hdr_valid = 1;
527 show_boot_progress (6);
529 #if defined(CONFIG_FIT)
530 case IMAGE_FORMAT_FIT:
531 fit_hdr = (void *)img_addr;
532 printf ("## Booting kernel from FIT Image at %08lx ...\n",
535 if (!fit_check_format (fit_hdr)) {
536 puts ("Bad FIT kernel image format!\n");
537 show_boot_progress (-100);
540 show_boot_progress (100);
542 if (!fit_uname_kernel) {
544 * no kernel image node unit name, try to get config
545 * node first. If config unit node name is NULL
546 * fit_conf_get_node() will try to find default config node
548 show_boot_progress (101);
549 conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
550 if (conf_noffset < 0) {
551 show_boot_progress (-101);
555 os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset);
556 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
558 /* get kernel component image node offset */
559 show_boot_progress (102);
560 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
562 if (os_noffset < 0) {
563 show_boot_progress (-103);
567 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
569 show_boot_progress (104);
570 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
573 /* get kernel image data address and length */
574 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
575 puts ("Could not find kernel subimage data!\n");
576 show_boot_progress (-107);
579 show_boot_progress (108);
582 *os_data = (ulong)data;
583 images->fit_hdr_os = fit_hdr;
584 images->fit_uname_os = fit_uname_kernel;
585 images->fit_noffset_os = os_noffset;
589 printf ("Wrong Image Format for %s command\n", cmdtp->name);
590 show_boot_progress (-108);
594 debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n",
595 *os_data, *os_len, *os_len);
597 return (void *)img_addr;
601 bootm, CFG_MAXARGS, 1, do_bootm,
602 "bootm - boot application image from memory\n",
603 "[addr [arg ...]]\n - boot application image stored in memory\n"
604 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
605 "\t'arg' can be the address of an initrd image\n"
606 #if defined(CONFIG_OF_LIBFDT)
607 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
608 "\ta third argument is required which is the address of the\n"
609 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
610 "\tuse a '-' for the second argument. If you do not pass a third\n"
611 "\ta bd_info struct will be passed instead\n"
613 #if defined(CONFIG_FIT)
614 "\t\nFor the new multi component uImage format (FIT) addresses\n"
615 "\tmust be extened to include component or configuration unit name:\n"
616 "\taddr:<subimg_uname> - direct component image specification\n"
617 "\taddr#<conf_uname> - configuration specification\n"
618 "\tUse iminfo command to get the list of existing component\n"
619 "\timages and configurations.\n"
623 /*******************************************************************/
624 /* bootd - boot default image */
625 /*******************************************************************/
626 #if defined(CONFIG_CMD_BOOTD)
627 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
631 #ifndef CFG_HUSH_PARSER
632 if (run_command (getenv ("bootcmd"), flag) < 0)
635 if (parse_string_outer (getenv ("bootcmd"),
636 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
643 boot, 1, 1, do_bootd,
644 "boot - boot default, i.e., run 'bootcmd'\n",
648 /* keep old command name "bootd" for backward compatibility */
650 bootd, 1, 1, do_bootd,
651 "bootd - boot default, i.e., run 'bootcmd'\n",
658 /*******************************************************************/
659 /* iminfo - print header info for a requested image */
660 /*******************************************************************/
661 #if defined(CONFIG_CMD_IMI)
662 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
669 return image_info (load_addr);
672 for (arg = 1; arg < argc; ++arg) {
673 addr = simple_strtoul (argv[arg], NULL, 16);
674 if (image_info (addr) != 0)
680 static int image_info (ulong addr)
682 void *hdr = (void *)addr;
684 printf ("\n## Checking Image at %08lx ...\n", addr);
686 switch (genimg_get_format (hdr)) {
687 case IMAGE_FORMAT_LEGACY:
688 puts (" Legacy image found\n");
689 if (!image_check_magic (hdr)) {
690 puts (" Bad Magic Number\n");
694 if (!image_check_hcrc (hdr)) {
695 puts (" Bad Header Checksum\n");
699 image_print_contents (hdr);
701 puts (" Verifying Checksum ... ");
702 if (!image_check_dcrc (hdr)) {
703 puts (" Bad Data CRC\n");
708 #if defined(CONFIG_FIT)
709 case IMAGE_FORMAT_FIT:
710 puts (" FIT image found\n");
712 if (!fit_check_format (hdr)) {
713 puts ("Bad FIT image format!\n");
717 fit_print_contents (hdr);
721 puts ("Unknown image format!\n");
729 iminfo, CFG_MAXARGS, 1, do_iminfo,
730 "iminfo - print header information for application image\n",
732 " - print header information for application image starting at\n"
733 " address 'addr' in memory; this includes verification of the\n"
734 " image contents (magic number, header and payload checksums)\n"
739 /*******************************************************************/
740 /* imls - list all images found in flash */
741 /*******************************************************************/
742 #if defined(CONFIG_CMD_IMLS)
743 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
749 for (i = 0, info = &flash_info[0];
750 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
752 if (info->flash_id == FLASH_UNKNOWN)
754 for (j = 0; j < info->sector_count; ++j) {
756 hdr = (void *)info->start[j];
760 switch (genimg_get_format (hdr)) {
761 case IMAGE_FORMAT_LEGACY:
762 if (!image_check_hcrc (hdr))
765 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
766 image_print_contents (hdr);
768 puts (" Verifying Checksum ... ");
769 if (!image_check_dcrc (hdr)) {
770 puts ("Bad Data CRC\n");
775 #if defined(CONFIG_FIT)
776 case IMAGE_FORMAT_FIT:
777 if (!fit_check_format (hdr))
780 printf ("FIT Image at %08lX:\n", (ulong)hdr);
781 fit_print_contents (hdr);
798 "imls - list all images found in flash\n",
800 " - Prints information about all images found at sector\n"
801 " boundaries in flash.\n"
805 /*******************************************************************/
806 /* helper routines */
807 /*******************************************************************/
808 #ifdef CONFIG_SILENT_CONSOLE
809 static void fixup_silent_linux ()
811 char buf[256], *start, *end;
812 char *cmdline = getenv ("bootargs");
814 /* Only fix cmdline when requested */
815 if (!(gd->flags & GD_FLG_SILENT))
818 debug ("before silent fix-up: %s\n", cmdline);
820 if ((start = strstr (cmdline, "console=")) != NULL) {
821 end = strchr (start, ' ');
822 strncpy (buf, cmdline, (start - cmdline + 8));
824 strcpy (buf + (start - cmdline + 8), end);
826 buf[start - cmdline + 8] = '\0';
828 strcpy (buf, cmdline);
829 strcat (buf, " console=");
832 strcpy (buf, "console=");
835 setenv ("bootargs", buf);
836 debug ("after silent fix-up: %s\n", buf);
838 #endif /* CONFIG_SILENT_CONSOLE */
841 /*******************************************************************/
842 /* OS booting routines */
843 /*******************************************************************/
845 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
846 int argc, char *argv[],
847 bootm_headers_t *images)
849 void (*loader)(bd_t *, image_header_t *, char *, char *);
850 image_header_t *os_hdr, *hdr;
851 ulong kernel_data, kernel_len;
855 #if defined(CONFIG_FIT)
856 if (!images->legacy_hdr_valid) {
857 fit_unsupported_reset ("NetBSD");
858 do_reset (cmdtp, flag, argc, argv);
861 hdr = images->legacy_hdr_os;
864 * Booting a (NetBSD) kernel image
866 * This process is pretty similar to a standalone application:
867 * The (first part of an multi-) image must be a stage-2 loader,
868 * which in turn is responsible for loading & invoking the actual
869 * kernel. The only differences are the parameters being passed:
870 * besides the board info strucure, the loader expects a command
871 * line, the name of the console device, and (optionally) the
872 * address of the original image header.
875 if (image_check_type (hdr, IH_TYPE_MULTI)) {
876 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
882 #if defined (CONFIG_8xx_CONS_SMC1)
884 #elif defined (CONFIG_8xx_CONS_SMC2)
886 #elif defined (CONFIG_8xx_CONS_SCC2)
888 #elif defined (CONFIG_8xx_CONS_SCC3)
896 for (i = 2, len = 0; i < argc; i += 1)
897 len += strlen (argv[i]) + 1;
898 cmdline = malloc (len);
900 for (i = 2, len = 0; i < argc; i += 1) {
902 cmdline[len++] = ' ';
903 strcpy (&cmdline[len], argv[i]);
904 len += strlen (argv[i]);
906 } else if ((cmdline = getenv ("bootargs")) == NULL) {
910 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
912 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
915 show_boot_progress (15);
918 * NetBSD Stage-2 Loader Parameters:
919 * r3: ptr to board info data
922 * r6: boot args string
924 (*loader) (gd->bd, os_hdr, consdev, cmdline);
927 #ifdef CONFIG_LYNXKDI
928 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
929 int argc, char *argv[],
930 bootm_headers_t *images)
932 image_header_t *hdr = images->legacy_hdr_os;
934 #if defined(CONFIG_FIT)
935 if (!images->legacy_hdr_valid) {
936 fit_unsupported_reset ("Lynx");
937 do_reset (cmdtp, flag, argc, argv);
941 lynxkdi_boot ((image_header_t *)hdr);
943 #endif /* CONFIG_LYNXKDI */
945 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
946 int argc, char *argv[],
947 bootm_headers_t *images)
949 image_header_t *hdr = images->legacy_hdr_os;
950 void (*entry_point)(bd_t *);
952 #if defined(CONFIG_FIT)
953 if (!images->legacy_hdr_valid) {
954 fit_unsupported_reset ("RTEMS");
955 do_reset (cmdtp, flag, argc, argv);
959 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
961 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
964 show_boot_progress (15);
968 * r3: ptr to board info data
970 (*entry_point)(gd->bd);
973 #if defined(CONFIG_CMD_ELF)
974 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
975 int argc, char *argv[],
976 bootm_headers_t *images)
979 image_header_t *hdr = images->legacy_hdr_os;
981 #if defined(CONFIG_FIT)
983 fit_unsupported_reset ("VxWorks");
984 do_reset (cmdtp, flag, argc, argv);
988 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
989 setenv("loadaddr", str);
990 do_bootvx(cmdtp, 0, 0, NULL);
993 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
994 int argc, char *argv[],
995 bootm_headers_t *images)
999 image_header_t *hdr = images->legacy_hdr_os;
1001 #if defined(CONFIG_FIT)
1002 if (!images->legacy_hdr_valid) {
1003 fit_unsupported_reset ("QNX");
1004 do_reset (cmdtp, flag, argc, argv);
1008 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1009 local_args[0] = argv[0];
1010 local_args[1] = str; /* and provide it via the arguments */
1011 do_bootelf(cmdtp, 0, 2, local_args);
1015 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1016 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1017 int argc, char *argv[],
1018 bootm_headers_t *images)
1023 int i, j, nxt, len, envno, envsz;
1025 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1026 image_header_t *hdr = images->legacy_hdr_os;
1028 #if defined(CONFIG_FIT)
1029 if (!images->legacy_hdr_valid) {
1030 fit_unsupported_reset ("ARTOS");
1031 do_reset (cmdtp, flag, argc, argv);
1036 * Booting an ARTOS kernel image + application
1039 /* this used to be the top of memory, but was wrong... */
1041 /* get stack pointer */
1042 asm volatile ("mr %0,1" : "=r"(top) );
1044 debug ("## Current stack ends at 0x%08lX ", top);
1046 top -= 2048; /* just to be sure */
1047 if (top > CFG_BOOTMAPSZ)
1048 top = CFG_BOOTMAPSZ;
1051 debug ("=> set upper limit to 0x%08lX\n", top);
1053 /* first check the artos specific boot args, then the linux args*/
1054 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1057 /* get length of cmdline, and place it */
1059 top = (top - (len + 1)) & ~0xF;
1060 cmdline = (char *)top;
1061 debug ("## cmdline at 0x%08lX ", top);
1062 strcpy (cmdline, s);
1065 top = (top - sizeof (bd_t)) & ~0xF;
1066 debug ("## bd at 0x%08lX ", top);
1068 memcpy (kbd, gd->bd, sizeof (bd_t));
1070 /* first find number of env entries, and their size */
1073 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1074 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1077 envsz += (nxt - i) + 1; /* plus trailing zero */
1079 envno++; /* plus the terminating zero */
1080 debug ("## %u envvars total size %u ", envno, envsz);
1082 top = (top - sizeof (char **) * envno) & ~0xF;
1083 fwenv = (char **)top;
1084 debug ("## fwenv at 0x%08lX ", top);
1086 top = (top - envsz) & ~0xF;
1091 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1092 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1095 for (j = i; j < nxt; ++j)
1096 *s++ = env_get_char (j);
1099 *ss++ = NULL; /* terminate */
1101 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
1102 (*entry) (kbd, cmdline, fwenv, top);