2 * (C) Copyright 2000-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
35 #include <environment.h>
37 #include <asm/byteorder.h>
39 #ifdef CFG_HUSH_PARSER
43 DECLARE_GLOBAL_DATA_PTR;
45 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
47 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
51 extern void bz_internal_error(int);
54 #if defined(CONFIG_CMD_IMI)
55 static int image_info (unsigned long addr);
58 #if defined(CONFIG_CMD_IMLS)
60 extern flash_info_t flash_info[]; /* info for FLASH chips */
61 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
64 #ifdef CONFIG_SILENT_CONSOLE
65 static void fixup_silent_linux (void);
68 static image_header_t *image_get_kernel (ulong img_addr, int verify);
69 #if defined(CONFIG_FIT)
70 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
73 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
74 bootm_headers_t *images, ulong *os_data, ulong *os_len);
75 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
78 * Continue booting an OS image; caller already has:
79 * - copied image header to global variable `header'
80 * - checked header magic number, checksums (both header & image),
81 * - verified image architecture (PPC) and type (KERNEL or MULTI),
82 * - loaded (first part of) image to header load address,
83 * - disabled interrupts.
85 typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
86 int argc, char *argv[],
87 bootm_headers_t *images); /* pointers to os/initrd/fdt */
89 extern boot_os_fn do_bootm_linux;
90 static boot_os_fn do_bootm_netbsd;
91 #if defined(CONFIG_LYNXKDI)
92 static boot_os_fn do_bootm_lynxkdi;
93 extern void lynxkdi_boot (image_header_t *);
95 static boot_os_fn do_bootm_rtems;
96 #if defined(CONFIG_CMD_ELF)
97 static boot_os_fn do_bootm_vxworks;
98 static boot_os_fn do_bootm_qnxelf;
99 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
100 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
102 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
103 static boot_os_fn do_bootm_artos;
106 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
107 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
109 void __board_lmb_reserve(struct lmb *lmb)
111 /* please define platform specific board_lmb_reserve() */
113 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
116 /*******************************************************************/
117 /* bootm - boot application image from image in memory */
118 /*******************************************************************/
119 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
122 const char *type_name;
123 uint unc_len = CFG_BOOTM_LEN;
124 uint8_t comp, type, os;
127 ulong os_data, os_len;
128 ulong image_start, image_end;
129 ulong load_start, load_end;
131 phys_size_t mem_size;
135 memset ((void *)&images, 0, sizeof (images));
136 images.verify = getenv_yesno ("verify");
137 images.autostart = getenv_yesno ("autostart");
142 mem_start = getenv_bootm_low();
143 mem_size = getenv_bootm_size();
145 lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);
147 board_lmb_reserve(&lmb);
149 /* get kernel image header, start address and length */
150 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
151 &images, &os_data, &os_len);
153 puts ("ERROR: can't get kernel image!\n");
157 /* get image parameters */
158 switch (genimg_get_format (os_hdr)) {
159 case IMAGE_FORMAT_LEGACY:
160 type = image_get_type (os_hdr);
161 comp = image_get_comp (os_hdr);
162 os = image_get_os (os_hdr);
164 image_end = image_get_image_end (os_hdr);
165 load_start = image_get_load (os_hdr);
167 #if defined(CONFIG_FIT)
168 case IMAGE_FORMAT_FIT:
169 if (fit_image_get_type (images.fit_hdr_os,
170 images.fit_noffset_os, &type)) {
171 puts ("Can't get image type!\n");
172 show_boot_progress (-109);
176 if (fit_image_get_comp (images.fit_hdr_os,
177 images.fit_noffset_os, &comp)) {
178 puts ("Can't get image compression!\n");
179 show_boot_progress (-110);
183 if (fit_image_get_os (images.fit_hdr_os,
184 images.fit_noffset_os, &os)) {
185 puts ("Can't get image OS!\n");
186 show_boot_progress (-111);
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");
195 show_boot_progress (-112);
201 puts ("ERROR: unknown image format type!\n");
205 image_start = (ulong)os_hdr;
207 type_name = genimg_get_type_name (type);
210 * We have reached the point of no return: we are going to
211 * overwrite all exception vector code, so we cannot easily
212 * recover from any failures any more...
214 iflag = disable_interrupts();
216 #ifdef CONFIG_AMIGAONEG3SE
218 * We've possible left the caches enabled during
219 * bios emulation, so turn them off again
222 invalidate_l1_instruction_cache();
229 if (load_start == (ulong)os_hdr) {
230 printf (" XIP %s ... ", type_name);
232 printf (" Loading %s ... ", type_name);
234 memmove_wd ((void *)load_start,
235 (void *)os_data, os_len, CHUNKSZ);
237 load_end = load_start + os_len;
242 printf (" Uncompressing %s ... ", type_name);
243 if (gunzip ((void *)load_start, unc_len,
244 (uchar *)os_data, &os_len) != 0) {
245 puts ("GUNZIP: uncompress or overwrite error "
246 "- 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: uncompress or overwrite error %d "
266 "- must RESET board to recover\n", i);
267 show_boot_progress (-6);
268 do_reset (cmdtp, flag, argc, argv);
271 load_end = load_start + unc_len;
273 #endif /* CONFIG_BZIP2 */
277 printf ("Unimplemented compression type %d\n", comp);
278 show_boot_progress (-7);
282 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
283 show_boot_progress (7);
285 if ((load_start < image_end) && (load_end > image_start)) {
286 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
287 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
289 if (images.legacy_hdr_valid) {
290 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
291 puts ("WARNING: legacy format multi component "
292 "image overwritten\n");
294 puts ("ERROR: new format image overwritten - "
295 "must RESET the board to recover\n");
296 show_boot_progress (-113);
297 do_reset (cmdtp, flag, argc, argv);
301 show_boot_progress (8);
303 lmb_reserve(&lmb, load_start, (load_end - load_start));
306 default: /* handled by (original) Linux case */
308 #ifdef CONFIG_SILENT_CONSOLE
309 fixup_silent_linux();
311 do_bootm_linux (cmdtp, flag, argc, argv, &images);
315 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
318 #ifdef CONFIG_LYNXKDI
320 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
325 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
328 #if defined(CONFIG_CMD_ELF)
330 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
334 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
340 do_bootm_artos (cmdtp, flag, argc, argv, &images);
345 show_boot_progress (-9);
347 puts ("\n## Control returned to monitor - resetting...\n");
348 if (images.autostart)
349 do_reset (cmdtp, flag, argc, argv);
351 if (!images.autostart && iflag)
358 * image_get_kernel - verify legacy format kernel image
359 * @img_addr: in RAM address of the legacy format image to be verified
360 * @verify: data CRC verification flag
362 * image_get_kernel() verifies legacy image integrity and returns pointer to
363 * legacy image header if image verification was completed successfully.
366 * pointer to a legacy image header if valid image was found
367 * otherwise return NULL
369 static image_header_t *image_get_kernel (ulong img_addr, int verify)
371 image_header_t *hdr = (image_header_t *)img_addr;
373 if (!image_check_magic(hdr)) {
374 puts ("Bad Magic Number\n");
375 show_boot_progress (-1);
378 show_boot_progress (2);
380 if (!image_check_hcrc (hdr)) {
381 puts ("Bad Header Checksum\n");
382 show_boot_progress (-2);
386 show_boot_progress (3);
387 image_print_contents (hdr);
390 puts (" Verifying Checksum ... ");
391 if (!image_check_dcrc (hdr)) {
392 printf ("Bad Data CRC\n");
393 show_boot_progress (-3);
398 show_boot_progress (4);
400 if (!image_check_target_arch (hdr)) {
401 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
402 show_boot_progress (-4);
409 * fit_check_kernel - verify FIT format kernel subimage
410 * @fit_hdr: pointer to the FIT image header
411 * os_noffset: kernel subimage node offset within FIT image
412 * @verify: data CRC verification flag
414 * fit_check_kernel() verifies integrity of the kernel subimage and from
415 * specified FIT image.
421 #if defined (CONFIG_FIT)
422 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
424 fit_image_print (fit, os_noffset, " ");
427 puts (" Verifying Hash Integrity ... ");
428 if (!fit_image_check_hashes (fit, os_noffset)) {
429 puts ("Bad Data Hash\n");
430 show_boot_progress (-104);
435 show_boot_progress (105);
437 if (!fit_image_check_target_arch (fit, os_noffset)) {
438 puts ("Unsupported Architecture\n");
439 show_boot_progress (-105);
443 show_boot_progress (106);
444 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
445 puts ("Not a kernel image\n");
446 show_boot_progress (-106);
450 show_boot_progress (107);
453 #endif /* CONFIG_FIT */
456 * boot_get_kernel - find kernel image
457 * @os_data: pointer to a ulong variable, will hold os data start address
458 * @os_len: pointer to a ulong variable, will hold os data length
460 * boot_get_kernel() tries to find a kernel image, verifies its integrity
461 * and locates kernel data.
464 * pointer to image header if valid image was found, plus kernel start
465 * address and length, otherwise NULL
467 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
468 bootm_headers_t *images, ulong *os_data, ulong *os_len)
472 #if defined(CONFIG_FIT)
474 const char *fit_uname_config = NULL;
475 const char *fit_uname_kernel = NULL;
482 /* find out kernel image address */
484 img_addr = load_addr;
485 debug ("* kernel: default image load address = 0x%08lx\n",
487 #if defined(CONFIG_FIT)
488 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
489 &fit_uname_config)) {
490 debug ("* kernel: config '%s' from image at 0x%08lx\n",
491 fit_uname_config, img_addr);
492 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
493 &fit_uname_kernel)) {
494 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
495 fit_uname_kernel, img_addr);
498 img_addr = simple_strtoul(argv[1], NULL, 16);
499 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
502 show_boot_progress (1);
504 /* copy from dataflash if needed */
505 img_addr = genimg_get_image (img_addr);
507 /* check image type, for FIT images get FIT kernel node */
508 *os_data = *os_len = 0;
509 switch (genimg_get_format ((void *)img_addr)) {
510 case IMAGE_FORMAT_LEGACY:
511 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
513 hdr = image_get_kernel (img_addr, images->verify);
516 show_boot_progress (5);
518 /* get os_data and os_len */
519 switch (image_get_type (hdr)) {
521 *os_data = image_get_data (hdr);
522 *os_len = image_get_data_size (hdr);
525 image_multi_getimg (hdr, 0, os_data, os_len);
528 printf ("Wrong Image Type for %s command\n", cmdtp->name);
529 show_boot_progress (-5);
534 * copy image header to allow for image overwrites during kernel
537 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
539 /* save pointer to image header */
540 images->legacy_hdr_os = hdr;
542 images->legacy_hdr_valid = 1;
543 show_boot_progress (6);
545 #if defined(CONFIG_FIT)
546 case IMAGE_FORMAT_FIT:
547 fit_hdr = (void *)img_addr;
548 printf ("## Booting kernel from FIT Image at %08lx ...\n",
551 if (!fit_check_format (fit_hdr)) {
552 puts ("Bad FIT kernel image format!\n");
553 show_boot_progress (-100);
556 show_boot_progress (100);
558 if (!fit_uname_kernel) {
560 * no kernel image node unit name, try to get config
561 * node first. If config unit node name is NULL
562 * fit_conf_get_node() will try to find default config node
564 show_boot_progress (101);
565 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
566 if (cfg_noffset < 0) {
567 show_boot_progress (-101);
570 /* save configuration uname provided in the first
573 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
574 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
575 show_boot_progress (103);
577 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
578 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
580 /* get kernel component image node offset */
581 show_boot_progress (102);
582 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
584 if (os_noffset < 0) {
585 show_boot_progress (-103);
589 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
591 show_boot_progress (104);
592 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
595 /* get kernel image data address and length */
596 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
597 puts ("Could not find kernel subimage data!\n");
598 show_boot_progress (-107);
601 show_boot_progress (108);
604 *os_data = (ulong)data;
605 images->fit_hdr_os = fit_hdr;
606 images->fit_uname_os = fit_uname_kernel;
607 images->fit_noffset_os = os_noffset;
611 printf ("Wrong Image Format for %s command\n", cmdtp->name);
612 show_boot_progress (-108);
616 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
617 *os_data, *os_len, *os_len);
619 return (void *)img_addr;
623 bootm, CFG_MAXARGS, 1, do_bootm,
624 "bootm - boot application image from memory\n",
625 "[addr [arg ...]]\n - boot application image stored in memory\n"
626 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
627 "\t'arg' can be the address of an initrd image\n"
628 #if defined(CONFIG_OF_LIBFDT)
629 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
630 "\ta third argument is required which is the address of the\n"
631 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
632 "\tuse a '-' for the second argument. If you do not pass a third\n"
633 "\ta bd_info struct will be passed instead\n"
635 #if defined(CONFIG_FIT)
636 "\t\nFor the new multi component uImage format (FIT) addresses\n"
637 "\tmust be extened to include component or configuration unit name:\n"
638 "\taddr:<subimg_uname> - direct component image specification\n"
639 "\taddr#<conf_uname> - configuration specification\n"
640 "\tUse iminfo command to get the list of existing component\n"
641 "\timages and configurations.\n"
645 /*******************************************************************/
646 /* bootd - boot default image */
647 /*******************************************************************/
648 #if defined(CONFIG_CMD_BOOTD)
649 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
653 #ifndef CFG_HUSH_PARSER
654 if (run_command (getenv ("bootcmd"), flag) < 0)
657 if (parse_string_outer (getenv ("bootcmd"),
658 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
665 boot, 1, 1, do_bootd,
666 "boot - boot default, i.e., run 'bootcmd'\n",
670 /* keep old command name "bootd" for backward compatibility */
672 bootd, 1, 1, do_bootd,
673 "bootd - boot default, i.e., run 'bootcmd'\n",
680 /*******************************************************************/
681 /* iminfo - print header info for a requested image */
682 /*******************************************************************/
683 #if defined(CONFIG_CMD_IMI)
684 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
691 return image_info (load_addr);
694 for (arg = 1; arg < argc; ++arg) {
695 addr = simple_strtoul (argv[arg], NULL, 16);
696 if (image_info (addr) != 0)
702 static int image_info (ulong addr)
704 void *hdr = (void *)addr;
706 printf ("\n## Checking Image at %08lx ...\n", addr);
708 switch (genimg_get_format (hdr)) {
709 case IMAGE_FORMAT_LEGACY:
710 puts (" Legacy image found\n");
711 if (!image_check_magic (hdr)) {
712 puts (" Bad Magic Number\n");
716 if (!image_check_hcrc (hdr)) {
717 puts (" Bad Header Checksum\n");
721 image_print_contents (hdr);
723 puts (" Verifying Checksum ... ");
724 if (!image_check_dcrc (hdr)) {
725 puts (" Bad Data CRC\n");
730 #if defined(CONFIG_FIT)
731 case IMAGE_FORMAT_FIT:
732 puts (" FIT image found\n");
734 if (!fit_check_format (hdr)) {
735 puts ("Bad FIT image format!\n");
739 fit_print_contents (hdr);
743 puts ("Unknown image format!\n");
751 iminfo, CFG_MAXARGS, 1, do_iminfo,
752 "iminfo - print header information for application image\n",
754 " - print header information for application image starting at\n"
755 " address 'addr' in memory; this includes verification of the\n"
756 " image contents (magic number, header and payload checksums)\n"
761 /*******************************************************************/
762 /* imls - list all images found in flash */
763 /*******************************************************************/
764 #if defined(CONFIG_CMD_IMLS)
765 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
771 for (i = 0, info = &flash_info[0];
772 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
774 if (info->flash_id == FLASH_UNKNOWN)
776 for (j = 0; j < info->sector_count; ++j) {
778 hdr = (void *)info->start[j];
782 switch (genimg_get_format (hdr)) {
783 case IMAGE_FORMAT_LEGACY:
784 if (!image_check_hcrc (hdr))
787 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
788 image_print_contents (hdr);
790 puts (" Verifying Checksum ... ");
791 if (!image_check_dcrc (hdr)) {
792 puts ("Bad Data CRC\n");
797 #if defined(CONFIG_FIT)
798 case IMAGE_FORMAT_FIT:
799 if (!fit_check_format (hdr))
802 printf ("FIT Image at %08lX:\n", (ulong)hdr);
803 fit_print_contents (hdr);
820 "imls - list all images found in flash\n",
822 " - Prints information about all images found at sector\n"
823 " boundaries in flash.\n"
827 /*******************************************************************/
828 /* helper routines */
829 /*******************************************************************/
830 #ifdef CONFIG_SILENT_CONSOLE
831 static void fixup_silent_linux ()
833 char buf[256], *start, *end;
834 char *cmdline = getenv ("bootargs");
836 /* Only fix cmdline when requested */
837 if (!(gd->flags & GD_FLG_SILENT))
840 debug ("before silent fix-up: %s\n", cmdline);
842 if ((start = strstr (cmdline, "console=")) != NULL) {
843 end = strchr (start, ' ');
844 strncpy (buf, cmdline, (start - cmdline + 8));
846 strcpy (buf + (start - cmdline + 8), end);
848 buf[start - cmdline + 8] = '\0';
850 strcpy (buf, cmdline);
851 strcat (buf, " console=");
854 strcpy (buf, "console=");
857 setenv ("bootargs", buf);
858 debug ("after silent fix-up: %s\n", buf);
860 #endif /* CONFIG_SILENT_CONSOLE */
863 /*******************************************************************/
864 /* OS booting routines */
865 /*******************************************************************/
867 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
868 int argc, char *argv[],
869 bootm_headers_t *images)
871 void (*loader)(bd_t *, image_header_t *, char *, char *);
872 image_header_t *os_hdr, *hdr;
873 ulong kernel_data, kernel_len;
877 #if defined(CONFIG_FIT)
878 if (!images->legacy_hdr_valid) {
879 fit_unsupported_reset ("NetBSD");
880 do_reset (cmdtp, flag, argc, argv);
883 hdr = images->legacy_hdr_os;
886 * Booting a (NetBSD) kernel image
888 * This process is pretty similar to a standalone application:
889 * The (first part of an multi-) image must be a stage-2 loader,
890 * which in turn is responsible for loading & invoking the actual
891 * kernel. The only differences are the parameters being passed:
892 * besides the board info strucure, the loader expects a command
893 * line, the name of the console device, and (optionally) the
894 * address of the original image header.
897 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
898 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
904 #if defined (CONFIG_8xx_CONS_SMC1)
906 #elif defined (CONFIG_8xx_CONS_SMC2)
908 #elif defined (CONFIG_8xx_CONS_SCC2)
910 #elif defined (CONFIG_8xx_CONS_SCC3)
918 for (i = 2, len = 0; i < argc; i += 1)
919 len += strlen (argv[i]) + 1;
920 cmdline = malloc (len);
922 for (i = 2, len = 0; i < argc; i += 1) {
924 cmdline[len++] = ' ';
925 strcpy (&cmdline[len], argv[i]);
926 len += strlen (argv[i]);
928 } else if ((cmdline = getenv ("bootargs")) == NULL) {
932 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
934 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
937 show_boot_progress (15);
940 * NetBSD Stage-2 Loader Parameters:
941 * r3: ptr to board info data
944 * r6: boot args string
946 (*loader) (gd->bd, os_hdr, consdev, cmdline);
949 #ifdef CONFIG_LYNXKDI
950 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
951 int argc, char *argv[],
952 bootm_headers_t *images)
954 image_header_t *hdr = &images->legacy_hdr_os_copy;
956 #if defined(CONFIG_FIT)
957 if (!images->legacy_hdr_valid) {
958 fit_unsupported_reset ("Lynx");
959 do_reset (cmdtp, flag, argc, argv);
963 lynxkdi_boot ((image_header_t *)hdr);
965 #endif /* CONFIG_LYNXKDI */
967 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
968 int argc, char *argv[],
969 bootm_headers_t *images)
971 image_header_t *hdr = &images->legacy_hdr_os_copy;
972 void (*entry_point)(bd_t *);
974 #if defined(CONFIG_FIT)
975 if (!images->legacy_hdr_valid) {
976 fit_unsupported_reset ("RTEMS");
977 do_reset (cmdtp, flag, argc, argv);
981 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
983 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
986 show_boot_progress (15);
990 * r3: ptr to board info data
992 (*entry_point)(gd->bd);
995 #if defined(CONFIG_CMD_ELF)
996 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
997 int argc, char *argv[],
998 bootm_headers_t *images)
1001 image_header_t *hdr = &images->legacy_hdr_os_copy;
1003 #if defined(CONFIG_FIT)
1004 if (!images->legacy_hdr_valid) {
1005 fit_unsupported_reset ("VxWorks");
1006 do_reset (cmdtp, flag, argc, argv);
1010 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1011 setenv("loadaddr", str);
1012 do_bootvx(cmdtp, 0, 0, NULL);
1015 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
1016 int argc, char *argv[],
1017 bootm_headers_t *images)
1019 char *local_args[2];
1021 image_header_t *hdr = &images->legacy_hdr_os_copy;
1023 #if defined(CONFIG_FIT)
1024 if (!images->legacy_hdr_valid) {
1025 fit_unsupported_reset ("QNX");
1026 do_reset (cmdtp, flag, argc, argv);
1030 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1031 local_args[0] = argv[0];
1032 local_args[1] = str; /* and provide it via the arguments */
1033 do_bootelf(cmdtp, 0, 2, local_args);
1037 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1038 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1039 int argc, char *argv[],
1040 bootm_headers_t *images)
1045 int i, j, nxt, len, envno, envsz;
1047 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1048 image_header_t *hdr = &images->legacy_hdr_os_copy;
1050 #if defined(CONFIG_FIT)
1051 if (!images->legacy_hdr_valid) {
1052 fit_unsupported_reset ("ARTOS");
1053 do_reset (cmdtp, flag, argc, argv);
1058 * Booting an ARTOS kernel image + application
1061 /* this used to be the top of memory, but was wrong... */
1063 /* get stack pointer */
1064 asm volatile ("mr %0,1" : "=r"(top) );
1066 debug ("## Current stack ends at 0x%08lX ", top);
1068 top -= 2048; /* just to be sure */
1069 if (top > CFG_BOOTMAPSZ)
1070 top = CFG_BOOTMAPSZ;
1073 debug ("=> set upper limit to 0x%08lX\n", top);
1075 /* first check the artos specific boot args, then the linux args*/
1076 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1079 /* get length of cmdline, and place it */
1081 top = (top - (len + 1)) & ~0xF;
1082 cmdline = (char *)top;
1083 debug ("## cmdline at 0x%08lX ", top);
1084 strcpy (cmdline, s);
1087 top = (top - sizeof (bd_t)) & ~0xF;
1088 debug ("## bd at 0x%08lX ", top);
1090 memcpy (kbd, gd->bd, sizeof (bd_t));
1092 /* first find number of env entries, and their size */
1095 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1096 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1099 envsz += (nxt - i) + 1; /* plus trailing zero */
1101 envno++; /* plus the terminating zero */
1102 debug ("## %u envvars total size %u ", envno, envsz);
1104 top = (top - sizeof (char **) * envno) & ~0xF;
1105 fwenv = (char **)top;
1106 debug ("## fwenv at 0x%08lX ", top);
1108 top = (top - envsz) & ~0xF;
1113 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1114 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1117 for (j = i; j < nxt; ++j)
1118 *s++ = env_get_char (j);
1121 *ss++ = NULL; /* terminate */
1123 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
1124 (*entry) (kbd, cmdline, fwenv, top);