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 #if defined(CONFIG_CMD_USB)
43 #ifdef CFG_HUSH_PARSER
47 DECLARE_GLOBAL_DATA_PTR;
49 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
51 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
55 extern void bz_internal_error(int);
58 #if defined(CONFIG_CMD_IMI)
59 static int image_info (unsigned long addr);
62 #if defined(CONFIG_CMD_IMLS)
64 extern flash_info_t flash_info[]; /* info for FLASH chips */
65 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
68 #ifdef CONFIG_SILENT_CONSOLE
69 static void fixup_silent_linux (void);
72 static image_header_t *image_get_kernel (ulong img_addr, int verify);
73 #if defined(CONFIG_FIT)
74 static int fit_check_kernel (const void *fit, int os_noffset, int verify);
77 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
78 bootm_headers_t *images, ulong *os_data, ulong *os_len);
79 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
82 * Continue booting an OS image; caller already has:
83 * - copied image header to global variable `header'
84 * - checked header magic number, checksums (both header & image),
85 * - verified image architecture (PPC) and type (KERNEL or MULTI),
86 * - loaded (first part of) image to header load address,
87 * - disabled interrupts.
89 typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
90 int argc, char *argv[],
91 bootm_headers_t *images); /* pointers to os/initrd/fdt */
93 extern boot_os_fn do_bootm_linux;
94 static boot_os_fn do_bootm_netbsd;
95 #if defined(CONFIG_LYNXKDI)
96 static boot_os_fn do_bootm_lynxkdi;
97 extern void lynxkdi_boot (image_header_t *);
99 static boot_os_fn do_bootm_rtems;
100 #if defined(CONFIG_CMD_ELF)
101 static boot_os_fn do_bootm_vxworks;
102 static boot_os_fn do_bootm_qnxelf;
103 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
104 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
106 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
107 static boot_os_fn do_bootm_artos;
110 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
111 static bootm_headers_t images; /* pointers to os/initrd/fdt images */
113 void __board_lmb_reserve(struct lmb *lmb)
115 /* please define platform specific board_lmb_reserve() */
117 void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
120 /*******************************************************************/
121 /* bootm - boot application image from image in memory */
122 /*******************************************************************/
123 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
126 const char *type_name;
127 uint unc_len = CFG_BOOTM_LEN;
128 uint8_t comp, type, os;
131 ulong os_data, os_len;
132 ulong image_start, image_end;
133 ulong load_start, load_end;
135 phys_size_t mem_size;
139 memset ((void *)&images, 0, sizeof (images));
140 images.verify = getenv_yesno ("verify");
141 images.autostart = getenv_yesno ("autostart");
146 mem_start = getenv_bootm_low();
147 mem_size = getenv_bootm_size();
149 lmb_add(&lmb, (phys_addr_t)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 /* get image parameters */
162 switch (genimg_get_format (os_hdr)) {
163 case IMAGE_FORMAT_LEGACY:
164 type = image_get_type (os_hdr);
165 comp = image_get_comp (os_hdr);
166 os = image_get_os (os_hdr);
168 image_end = image_get_image_end (os_hdr);
169 load_start = image_get_load (os_hdr);
171 #if defined(CONFIG_FIT)
172 case IMAGE_FORMAT_FIT:
173 if (fit_image_get_type (images.fit_hdr_os,
174 images.fit_noffset_os, &type)) {
175 puts ("Can't get image type!\n");
176 show_boot_progress (-109);
180 if (fit_image_get_comp (images.fit_hdr_os,
181 images.fit_noffset_os, &comp)) {
182 puts ("Can't get image compression!\n");
183 show_boot_progress (-110);
187 if (fit_image_get_os (images.fit_hdr_os,
188 images.fit_noffset_os, &os)) {
189 puts ("Can't get image OS!\n");
190 show_boot_progress (-111);
194 image_end = fit_get_end (images.fit_hdr_os);
196 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
198 puts ("Can't get image load address!\n");
199 show_boot_progress (-112);
205 puts ("ERROR: unknown image format type!\n");
209 image_start = (ulong)os_hdr;
211 type_name = genimg_get_type_name (type);
214 * We have reached the point of no return: we are going to
215 * overwrite all exception vector code, so we cannot easily
216 * recover from any failures any more...
218 iflag = disable_interrupts();
220 #if defined(CONFIG_CMD_USB)
222 * turn off USB to prevent the host controller from writing to the
223 * SDRAM while Linux is booting. This could happen (at least for OHCI
224 * controller), because the HCCA (Host Controller Communication Area)
225 * lies within the SDRAM and the host controller writes continously to
226 * this area (as busmaster!). The HccaFrameNumber is for example
227 * updated every 1 ms within the HCCA structure in SDRAM! For more
228 * details see the OpenHCI specification.
234 #ifdef CONFIG_AMIGAONEG3SE
236 * We've possible left the caches enabled during
237 * bios emulation, so turn them off again
240 invalidate_l1_instruction_cache();
247 if (load_start == (ulong)os_hdr) {
248 printf (" XIP %s ... ", type_name);
250 printf (" Loading %s ... ", type_name);
252 memmove_wd ((void *)load_start,
253 (void *)os_data, os_len, CHUNKSZ);
255 load_end = load_start + os_len;
259 printf (" Uncompressing %s ... ", type_name);
260 if (gunzip ((void *)load_start, unc_len,
261 (uchar *)os_data, &os_len) != 0) {
262 puts ("GUNZIP: uncompress or overwrite error "
263 "- must RESET board to recover\n");
264 show_boot_progress (-6);
265 do_reset (cmdtp, flag, argc, argv);
268 load_end = load_start + os_len;
272 printf (" Uncompressing %s ... ", type_name);
274 * If we've got less than 4 MB of malloc() space,
275 * use slower decompression algorithm which requires
276 * at most 2300 KB of memory.
278 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
279 &unc_len, (char *)os_data, os_len,
280 CFG_MALLOC_LEN < (4096 * 1024), 0);
282 printf ("BUNZIP2: uncompress or overwrite error %d "
283 "- must RESET board to recover\n", i);
284 show_boot_progress (-6);
285 do_reset (cmdtp, flag, argc, argv);
288 load_end = load_start + unc_len;
290 #endif /* CONFIG_BZIP2 */
294 printf ("Unimplemented compression type %d\n", comp);
295 show_boot_progress (-7);
299 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
300 show_boot_progress (7);
302 if ((load_start < image_end) && (load_end > image_start)) {
303 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
304 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
306 if (images.legacy_hdr_valid) {
307 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
308 puts ("WARNING: legacy format multi component "
309 "image overwritten\n");
311 puts ("ERROR: new format image overwritten - "
312 "must RESET the board to recover\n");
313 show_boot_progress (-113);
314 do_reset (cmdtp, flag, argc, argv);
318 show_boot_progress (8);
320 lmb_reserve(&lmb, load_start, (load_end - load_start));
323 default: /* handled by (original) Linux case */
325 #ifdef CONFIG_SILENT_CONSOLE
326 fixup_silent_linux();
328 do_bootm_linux (cmdtp, flag, argc, argv, &images);
332 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
335 #ifdef CONFIG_LYNXKDI
337 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
342 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
345 #if defined(CONFIG_CMD_ELF)
347 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
351 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
357 do_bootm_artos (cmdtp, flag, argc, argv, &images);
362 show_boot_progress (-9);
364 puts ("\n## Control returned to monitor - resetting...\n");
365 if (images.autostart)
366 do_reset (cmdtp, flag, argc, argv);
368 if (!images.autostart && iflag)
375 * image_get_kernel - verify legacy format kernel image
376 * @img_addr: in RAM address of the legacy format image to be verified
377 * @verify: data CRC verification flag
379 * image_get_kernel() verifies legacy image integrity and returns pointer to
380 * legacy image header if image verification was completed successfully.
383 * pointer to a legacy image header if valid image was found
384 * otherwise return NULL
386 static image_header_t *image_get_kernel (ulong img_addr, int verify)
388 image_header_t *hdr = (image_header_t *)img_addr;
390 if (!image_check_magic(hdr)) {
391 puts ("Bad Magic Number\n");
392 show_boot_progress (-1);
395 show_boot_progress (2);
397 if (!image_check_hcrc (hdr)) {
398 puts ("Bad Header Checksum\n");
399 show_boot_progress (-2);
403 show_boot_progress (3);
404 image_print_contents (hdr);
407 puts (" Verifying Checksum ... ");
408 if (!image_check_dcrc (hdr)) {
409 printf ("Bad Data CRC\n");
410 show_boot_progress (-3);
415 show_boot_progress (4);
417 if (!image_check_target_arch (hdr)) {
418 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
419 show_boot_progress (-4);
426 * fit_check_kernel - verify FIT format kernel subimage
427 * @fit_hdr: pointer to the FIT image header
428 * os_noffset: kernel subimage node offset within FIT image
429 * @verify: data CRC verification flag
431 * fit_check_kernel() verifies integrity of the kernel subimage and from
432 * specified FIT image.
438 #if defined (CONFIG_FIT)
439 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
441 fit_image_print (fit, os_noffset, " ");
444 puts (" Verifying Hash Integrity ... ");
445 if (!fit_image_check_hashes (fit, os_noffset)) {
446 puts ("Bad Data Hash\n");
447 show_boot_progress (-104);
452 show_boot_progress (105);
454 if (!fit_image_check_target_arch (fit, os_noffset)) {
455 puts ("Unsupported Architecture\n");
456 show_boot_progress (-105);
460 show_boot_progress (106);
461 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
462 puts ("Not a kernel image\n");
463 show_boot_progress (-106);
467 show_boot_progress (107);
470 #endif /* CONFIG_FIT */
473 * boot_get_kernel - find kernel image
474 * @os_data: pointer to a ulong variable, will hold os data start address
475 * @os_len: pointer to a ulong variable, will hold os data length
477 * boot_get_kernel() tries to find a kernel image, verifies its integrity
478 * and locates kernel data.
481 * pointer to image header if valid image was found, plus kernel start
482 * address and length, otherwise NULL
484 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
485 bootm_headers_t *images, ulong *os_data, ulong *os_len)
489 #if defined(CONFIG_FIT)
491 const char *fit_uname_config = NULL;
492 const char *fit_uname_kernel = NULL;
499 /* find out kernel image address */
501 img_addr = load_addr;
502 debug ("* kernel: default image load address = 0x%08lx\n",
504 #if defined(CONFIG_FIT)
505 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
506 &fit_uname_config)) {
507 debug ("* kernel: config '%s' from image at 0x%08lx\n",
508 fit_uname_config, img_addr);
509 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
510 &fit_uname_kernel)) {
511 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
512 fit_uname_kernel, img_addr);
515 img_addr = simple_strtoul(argv[1], NULL, 16);
516 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
519 show_boot_progress (1);
521 /* copy from dataflash if needed */
522 img_addr = genimg_get_image (img_addr);
524 /* check image type, for FIT images get FIT kernel node */
525 *os_data = *os_len = 0;
526 switch (genimg_get_format ((void *)img_addr)) {
527 case IMAGE_FORMAT_LEGACY:
528 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
530 hdr = image_get_kernel (img_addr, images->verify);
533 show_boot_progress (5);
535 /* get os_data and os_len */
536 switch (image_get_type (hdr)) {
538 *os_data = image_get_data (hdr);
539 *os_len = image_get_data_size (hdr);
542 image_multi_getimg (hdr, 0, os_data, os_len);
545 printf ("Wrong Image Type for %s command\n", cmdtp->name);
546 show_boot_progress (-5);
551 * copy image header to allow for image overwrites during kernel
554 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
556 /* save pointer to image header */
557 images->legacy_hdr_os = hdr;
559 images->legacy_hdr_valid = 1;
560 show_boot_progress (6);
562 #if defined(CONFIG_FIT)
563 case IMAGE_FORMAT_FIT:
564 fit_hdr = (void *)img_addr;
565 printf ("## Booting kernel from FIT Image at %08lx ...\n",
568 if (!fit_check_format (fit_hdr)) {
569 puts ("Bad FIT kernel image format!\n");
570 show_boot_progress (-100);
573 show_boot_progress (100);
575 if (!fit_uname_kernel) {
577 * no kernel image node unit name, try to get config
578 * node first. If config unit node name is NULL
579 * fit_conf_get_node() will try to find default config node
581 show_boot_progress (101);
582 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
583 if (cfg_noffset < 0) {
584 show_boot_progress (-101);
587 /* save configuration uname provided in the first
590 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
591 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
592 show_boot_progress (103);
594 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
595 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
597 /* get kernel component image node offset */
598 show_boot_progress (102);
599 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
601 if (os_noffset < 0) {
602 show_boot_progress (-103);
606 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
608 show_boot_progress (104);
609 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
612 /* get kernel image data address and length */
613 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
614 puts ("Could not find kernel subimage data!\n");
615 show_boot_progress (-107);
618 show_boot_progress (108);
621 *os_data = (ulong)data;
622 images->fit_hdr_os = fit_hdr;
623 images->fit_uname_os = fit_uname_kernel;
624 images->fit_noffset_os = os_noffset;
628 printf ("Wrong Image Format for %s command\n", cmdtp->name);
629 show_boot_progress (-108);
633 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
634 *os_data, *os_len, *os_len);
636 return (void *)img_addr;
640 bootm, CFG_MAXARGS, 1, do_bootm,
641 "bootm - boot application image from memory\n",
642 "[addr [arg ...]]\n - boot application image stored in memory\n"
643 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
644 "\t'arg' can be the address of an initrd image\n"
645 #if defined(CONFIG_OF_LIBFDT)
646 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
647 "\ta third argument is required which is the address of the\n"
648 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
649 "\tuse a '-' for the second argument. If you do not pass a third\n"
650 "\ta bd_info struct will be passed instead\n"
652 #if defined(CONFIG_FIT)
653 "\t\nFor the new multi component uImage format (FIT) addresses\n"
654 "\tmust be extened to include component or configuration unit name:\n"
655 "\taddr:<subimg_uname> - direct component image specification\n"
656 "\taddr#<conf_uname> - configuration specification\n"
657 "\tUse iminfo command to get the list of existing component\n"
658 "\timages and configurations.\n"
662 /*******************************************************************/
663 /* bootd - boot default image */
664 /*******************************************************************/
665 #if defined(CONFIG_CMD_BOOTD)
666 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
670 #ifndef CFG_HUSH_PARSER
671 if (run_command (getenv ("bootcmd"), flag) < 0)
674 if (parse_string_outer (getenv ("bootcmd"),
675 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
682 boot, 1, 1, do_bootd,
683 "boot - boot default, i.e., run 'bootcmd'\n",
687 /* keep old command name "bootd" for backward compatibility */
689 bootd, 1, 1, do_bootd,
690 "bootd - boot default, i.e., run 'bootcmd'\n",
697 /*******************************************************************/
698 /* iminfo - print header info for a requested image */
699 /*******************************************************************/
700 #if defined(CONFIG_CMD_IMI)
701 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
708 return image_info (load_addr);
711 for (arg = 1; arg < argc; ++arg) {
712 addr = simple_strtoul (argv[arg], NULL, 16);
713 if (image_info (addr) != 0)
719 static int image_info (ulong addr)
721 void *hdr = (void *)addr;
723 printf ("\n## Checking Image at %08lx ...\n", addr);
725 switch (genimg_get_format (hdr)) {
726 case IMAGE_FORMAT_LEGACY:
727 puts (" Legacy image found\n");
728 if (!image_check_magic (hdr)) {
729 puts (" Bad Magic Number\n");
733 if (!image_check_hcrc (hdr)) {
734 puts (" Bad Header Checksum\n");
738 image_print_contents (hdr);
740 puts (" Verifying Checksum ... ");
741 if (!image_check_dcrc (hdr)) {
742 puts (" Bad Data CRC\n");
747 #if defined(CONFIG_FIT)
748 case IMAGE_FORMAT_FIT:
749 puts (" FIT image found\n");
751 if (!fit_check_format (hdr)) {
752 puts ("Bad FIT image format!\n");
756 fit_print_contents (hdr);
760 puts ("Unknown image format!\n");
768 iminfo, CFG_MAXARGS, 1, do_iminfo,
769 "iminfo - print header information for application image\n",
771 " - print header information for application image starting at\n"
772 " address 'addr' in memory; this includes verification of the\n"
773 " image contents (magic number, header and payload checksums)\n"
778 /*******************************************************************/
779 /* imls - list all images found in flash */
780 /*******************************************************************/
781 #if defined(CONFIG_CMD_IMLS)
782 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
788 for (i = 0, info = &flash_info[0];
789 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
791 if (info->flash_id == FLASH_UNKNOWN)
793 for (j = 0; j < info->sector_count; ++j) {
795 hdr = (void *)info->start[j];
799 switch (genimg_get_format (hdr)) {
800 case IMAGE_FORMAT_LEGACY:
801 if (!image_check_hcrc (hdr))
804 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
805 image_print_contents (hdr);
807 puts (" Verifying Checksum ... ");
808 if (!image_check_dcrc (hdr)) {
809 puts ("Bad Data CRC\n");
814 #if defined(CONFIG_FIT)
815 case IMAGE_FORMAT_FIT:
816 if (!fit_check_format (hdr))
819 printf ("FIT Image at %08lX:\n", (ulong)hdr);
820 fit_print_contents (hdr);
837 "imls - list all images found in flash\n",
839 " - Prints information about all images found at sector\n"
840 " boundaries in flash.\n"
844 /*******************************************************************/
845 /* helper routines */
846 /*******************************************************************/
847 #ifdef CONFIG_SILENT_CONSOLE
848 static void fixup_silent_linux ()
850 char buf[256], *start, *end;
851 char *cmdline = getenv ("bootargs");
853 /* Only fix cmdline when requested */
854 if (!(gd->flags & GD_FLG_SILENT))
857 debug ("before silent fix-up: %s\n", cmdline);
859 if ((start = strstr (cmdline, "console=")) != NULL) {
860 end = strchr (start, ' ');
861 strncpy (buf, cmdline, (start - cmdline + 8));
863 strcpy (buf + (start - cmdline + 8), end);
865 buf[start - cmdline + 8] = '\0';
867 strcpy (buf, cmdline);
868 strcat (buf, " console=");
871 strcpy (buf, "console=");
874 setenv ("bootargs", buf);
875 debug ("after silent fix-up: %s\n", buf);
877 #endif /* CONFIG_SILENT_CONSOLE */
880 /*******************************************************************/
881 /* OS booting routines */
882 /*******************************************************************/
884 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
885 int argc, char *argv[],
886 bootm_headers_t *images)
888 void (*loader)(bd_t *, image_header_t *, char *, char *);
889 image_header_t *os_hdr, *hdr;
890 ulong kernel_data, kernel_len;
894 #if defined(CONFIG_FIT)
895 if (!images->legacy_hdr_valid) {
896 fit_unsupported_reset ("NetBSD");
897 do_reset (cmdtp, flag, argc, argv);
900 hdr = images->legacy_hdr_os;
903 * Booting a (NetBSD) kernel image
905 * This process is pretty similar to a standalone application:
906 * The (first part of an multi-) image must be a stage-2 loader,
907 * which in turn is responsible for loading & invoking the actual
908 * kernel. The only differences are the parameters being passed:
909 * besides the board info strucure, the loader expects a command
910 * line, the name of the console device, and (optionally) the
911 * address of the original image header.
914 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
915 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
921 #if defined (CONFIG_8xx_CONS_SMC1)
923 #elif defined (CONFIG_8xx_CONS_SMC2)
925 #elif defined (CONFIG_8xx_CONS_SCC2)
927 #elif defined (CONFIG_8xx_CONS_SCC3)
935 for (i = 2, len = 0; i < argc; i += 1)
936 len += strlen (argv[i]) + 1;
937 cmdline = malloc (len);
939 for (i = 2, len = 0; i < argc; i += 1) {
941 cmdline[len++] = ' ';
942 strcpy (&cmdline[len], argv[i]);
943 len += strlen (argv[i]);
945 } else if ((cmdline = getenv ("bootargs")) == NULL) {
949 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
951 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
954 show_boot_progress (15);
957 * NetBSD Stage-2 Loader Parameters:
958 * r3: ptr to board info data
961 * r6: boot args string
963 (*loader) (gd->bd, os_hdr, consdev, cmdline);
966 #ifdef CONFIG_LYNXKDI
967 static void do_bootm_lynxkdi (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;
973 #if defined(CONFIG_FIT)
974 if (!images->legacy_hdr_valid) {
975 fit_unsupported_reset ("Lynx");
976 do_reset (cmdtp, flag, argc, argv);
980 lynxkdi_boot ((image_header_t *)hdr);
982 #endif /* CONFIG_LYNXKDI */
984 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
985 int argc, char *argv[],
986 bootm_headers_t *images)
988 image_header_t *hdr = &images->legacy_hdr_os_copy;
989 void (*entry_point)(bd_t *);
991 #if defined(CONFIG_FIT)
992 if (!images->legacy_hdr_valid) {
993 fit_unsupported_reset ("RTEMS");
994 do_reset (cmdtp, flag, argc, argv);
998 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
1000 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1001 (ulong)entry_point);
1003 show_boot_progress (15);
1007 * r3: ptr to board info data
1009 (*entry_point)(gd->bd);
1012 #if defined(CONFIG_CMD_ELF)
1013 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
1014 int argc, char *argv[],
1015 bootm_headers_t *images)
1018 image_header_t *hdr = &images->legacy_hdr_os_copy;
1020 #if defined(CONFIG_FIT)
1021 if (!images->legacy_hdr_valid) {
1022 fit_unsupported_reset ("VxWorks");
1023 do_reset (cmdtp, flag, argc, argv);
1027 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1028 setenv("loadaddr", str);
1029 do_bootvx(cmdtp, 0, 0, NULL);
1032 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
1033 int argc, char *argv[],
1034 bootm_headers_t *images)
1036 char *local_args[2];
1038 image_header_t *hdr = &images->legacy_hdr_os_copy;
1040 #if defined(CONFIG_FIT)
1041 if (!images->legacy_hdr_valid) {
1042 fit_unsupported_reset ("QNX");
1043 do_reset (cmdtp, flag, argc, argv);
1047 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1048 local_args[0] = argv[0];
1049 local_args[1] = str; /* and provide it via the arguments */
1050 do_bootelf(cmdtp, 0, 2, local_args);
1054 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1055 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1056 int argc, char *argv[],
1057 bootm_headers_t *images)
1062 int i, j, nxt, len, envno, envsz;
1064 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1065 image_header_t *hdr = &images->legacy_hdr_os_copy;
1067 #if defined(CONFIG_FIT)
1068 if (!images->legacy_hdr_valid) {
1069 fit_unsupported_reset ("ARTOS");
1070 do_reset (cmdtp, flag, argc, argv);
1075 * Booting an ARTOS kernel image + application
1078 /* this used to be the top of memory, but was wrong... */
1080 /* get stack pointer */
1081 asm volatile ("mr %0,1" : "=r"(top) );
1083 debug ("## Current stack ends at 0x%08lX ", top);
1085 top -= 2048; /* just to be sure */
1086 if (top > CFG_BOOTMAPSZ)
1087 top = CFG_BOOTMAPSZ;
1090 debug ("=> set upper limit to 0x%08lX\n", top);
1092 /* first check the artos specific boot args, then the linux args*/
1093 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1096 /* get length of cmdline, and place it */
1098 top = (top - (len + 1)) & ~0xF;
1099 cmdline = (char *)top;
1100 debug ("## cmdline at 0x%08lX ", top);
1101 strcpy (cmdline, s);
1104 top = (top - sizeof (bd_t)) & ~0xF;
1105 debug ("## bd at 0x%08lX ", top);
1107 memcpy (kbd, gd->bd, sizeof (bd_t));
1109 /* first find number of env entries, and their size */
1112 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1113 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1116 envsz += (nxt - i) + 1; /* plus trailing zero */
1118 envno++; /* plus the terminating zero */
1119 debug ("## %u envvars total size %u ", envno, envsz);
1121 top = (top - sizeof (char **) * envno) & ~0xF;
1122 fwenv = (char **)top;
1123 debug ("## fwenv at 0x%08lX ", top);
1125 top = (top - envsz) & ~0xF;
1130 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1131 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1134 for (j = i; j < nxt; ++j)
1135 *s++ = env_get_char (j);
1138 *ss++ = NULL; /* terminate */
1140 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
1141 (*entry) (kbd, cmdline, fwenv, top);