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");
145 mem_start = getenv_bootm_low();
146 mem_size = getenv_bootm_size();
148 lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);
150 board_lmb_reserve(&lmb);
152 /* get kernel image header, start address and length */
153 os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
154 &images, &os_data, &os_len);
156 puts ("ERROR: can't get kernel image!\n");
160 /* get image parameters */
161 switch (genimg_get_format (os_hdr)) {
162 case IMAGE_FORMAT_LEGACY:
163 type = image_get_type (os_hdr);
164 comp = image_get_comp (os_hdr);
165 os = image_get_os (os_hdr);
167 image_end = image_get_image_end (os_hdr);
168 load_start = image_get_load (os_hdr);
170 #if defined(CONFIG_FIT)
171 case IMAGE_FORMAT_FIT:
172 if (fit_image_get_type (images.fit_hdr_os,
173 images.fit_noffset_os, &type)) {
174 puts ("Can't get image type!\n");
175 show_boot_progress (-109);
179 if (fit_image_get_comp (images.fit_hdr_os,
180 images.fit_noffset_os, &comp)) {
181 puts ("Can't get image compression!\n");
182 show_boot_progress (-110);
186 if (fit_image_get_os (images.fit_hdr_os,
187 images.fit_noffset_os, &os)) {
188 puts ("Can't get image OS!\n");
189 show_boot_progress (-111);
193 image_end = fit_get_end (images.fit_hdr_os);
195 if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
197 puts ("Can't get image load address!\n");
198 show_boot_progress (-112);
204 puts ("ERROR: unknown image format type!\n");
208 image_start = (ulong)os_hdr;
210 type_name = genimg_get_type_name (type);
213 * We have reached the point of no return: we are going to
214 * overwrite all exception vector code, so we cannot easily
215 * recover from any failures any more...
217 iflag = disable_interrupts();
219 #if defined(CONFIG_CMD_USB)
221 * turn off USB to prevent the host controller from writing to the
222 * SDRAM while Linux is booting. This could happen (at least for OHCI
223 * controller), because the HCCA (Host Controller Communication Area)
224 * lies within the SDRAM and the host controller writes continously to
225 * this area (as busmaster!). The HccaFrameNumber is for example
226 * updated every 1 ms within the HCCA structure in SDRAM! For more
227 * details see the OpenHCI specification.
233 #ifdef CONFIG_AMIGAONEG3SE
235 * We've possible left the caches enabled during
236 * bios emulation, so turn them off again
239 invalidate_l1_instruction_cache();
246 if (load_start == (ulong)os_hdr) {
247 printf (" XIP %s ... ", type_name);
249 printf (" Loading %s ... ", type_name);
251 memmove_wd ((void *)load_start,
252 (void *)os_data, os_len, CHUNKSZ);
254 load_end = load_start + os_len;
258 printf (" Uncompressing %s ... ", type_name);
259 if (gunzip ((void *)load_start, unc_len,
260 (uchar *)os_data, &os_len) != 0) {
261 puts ("GUNZIP: uncompress or overwrite error "
262 "- must RESET board to recover\n");
263 show_boot_progress (-6);
264 do_reset (cmdtp, flag, argc, argv);
267 load_end = load_start + os_len;
271 printf (" Uncompressing %s ... ", type_name);
273 * If we've got less than 4 MB of malloc() space,
274 * use slower decompression algorithm which requires
275 * at most 2300 KB of memory.
277 int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
278 &unc_len, (char *)os_data, os_len,
279 CFG_MALLOC_LEN < (4096 * 1024), 0);
281 printf ("BUNZIP2: uncompress or overwrite error %d "
282 "- must RESET board to recover\n", i);
283 show_boot_progress (-6);
284 do_reset (cmdtp, flag, argc, argv);
287 load_end = load_start + unc_len;
289 #endif /* CONFIG_BZIP2 */
293 printf ("Unimplemented compression type %d\n", comp);
294 show_boot_progress (-7);
298 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
299 show_boot_progress (7);
301 if ((load_start < image_end) && (load_end > image_start)) {
302 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
303 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
305 if (images.legacy_hdr_valid) {
306 if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
307 puts ("WARNING: legacy format multi component "
308 "image overwritten\n");
310 puts ("ERROR: new format image overwritten - "
311 "must RESET the board to recover\n");
312 show_boot_progress (-113);
313 do_reset (cmdtp, flag, argc, argv);
317 show_boot_progress (8);
319 lmb_reserve(&lmb, load_start, (load_end - load_start));
322 default: /* handled by (original) Linux case */
324 #ifdef CONFIG_SILENT_CONSOLE
325 fixup_silent_linux();
327 do_bootm_linux (cmdtp, flag, argc, argv, &images);
331 do_bootm_netbsd (cmdtp, flag, argc, argv, &images);
334 #ifdef CONFIG_LYNXKDI
336 do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images);
341 do_bootm_rtems (cmdtp, flag, argc, argv, &images);
344 #if defined(CONFIG_CMD_ELF)
346 do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
350 do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
356 do_bootm_artos (cmdtp, flag, argc, argv, &images);
361 show_boot_progress (-9);
363 puts ("\n## Control returned to monitor - resetting...\n");
364 if (images.autostart)
365 do_reset (cmdtp, flag, argc, argv);
367 if (!images.autostart && iflag)
374 * image_get_kernel - verify legacy format kernel image
375 * @img_addr: in RAM address of the legacy format image to be verified
376 * @verify: data CRC verification flag
378 * image_get_kernel() verifies legacy image integrity and returns pointer to
379 * legacy image header if image verification was completed successfully.
382 * pointer to a legacy image header if valid image was found
383 * otherwise return NULL
385 static image_header_t *image_get_kernel (ulong img_addr, int verify)
387 image_header_t *hdr = (image_header_t *)img_addr;
389 if (!image_check_magic(hdr)) {
390 puts ("Bad Magic Number\n");
391 show_boot_progress (-1);
394 show_boot_progress (2);
396 if (!image_check_hcrc (hdr)) {
397 puts ("Bad Header Checksum\n");
398 show_boot_progress (-2);
402 show_boot_progress (3);
403 image_print_contents (hdr);
406 puts (" Verifying Checksum ... ");
407 if (!image_check_dcrc (hdr)) {
408 printf ("Bad Data CRC\n");
409 show_boot_progress (-3);
414 show_boot_progress (4);
416 if (!image_check_target_arch (hdr)) {
417 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
418 show_boot_progress (-4);
425 * fit_check_kernel - verify FIT format kernel subimage
426 * @fit_hdr: pointer to the FIT image header
427 * os_noffset: kernel subimage node offset within FIT image
428 * @verify: data CRC verification flag
430 * fit_check_kernel() verifies integrity of the kernel subimage and from
431 * specified FIT image.
437 #if defined (CONFIG_FIT)
438 static int fit_check_kernel (const void *fit, int os_noffset, int verify)
440 fit_image_print (fit, os_noffset, " ");
443 puts (" Verifying Hash Integrity ... ");
444 if (!fit_image_check_hashes (fit, os_noffset)) {
445 puts ("Bad Data Hash\n");
446 show_boot_progress (-104);
451 show_boot_progress (105);
453 if (!fit_image_check_target_arch (fit, os_noffset)) {
454 puts ("Unsupported Architecture\n");
455 show_boot_progress (-105);
459 show_boot_progress (106);
460 if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
461 puts ("Not a kernel image\n");
462 show_boot_progress (-106);
466 show_boot_progress (107);
469 #endif /* CONFIG_FIT */
472 * boot_get_kernel - find kernel image
473 * @os_data: pointer to a ulong variable, will hold os data start address
474 * @os_len: pointer to a ulong variable, will hold os data length
476 * boot_get_kernel() tries to find a kernel image, verifies its integrity
477 * and locates kernel data.
480 * pointer to image header if valid image was found, plus kernel start
481 * address and length, otherwise NULL
483 static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
484 bootm_headers_t *images, ulong *os_data, ulong *os_len)
488 #if defined(CONFIG_FIT)
490 const char *fit_uname_config = NULL;
491 const char *fit_uname_kernel = NULL;
498 /* find out kernel image address */
500 img_addr = load_addr;
501 debug ("* kernel: default image load address = 0x%08lx\n",
503 #if defined(CONFIG_FIT)
504 } else if (fit_parse_conf (argv[1], load_addr, &img_addr,
505 &fit_uname_config)) {
506 debug ("* kernel: config '%s' from image at 0x%08lx\n",
507 fit_uname_config, img_addr);
508 } else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
509 &fit_uname_kernel)) {
510 debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
511 fit_uname_kernel, img_addr);
514 img_addr = simple_strtoul(argv[1], NULL, 16);
515 debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
518 show_boot_progress (1);
520 /* copy from dataflash if needed */
521 img_addr = genimg_get_image (img_addr);
523 /* check image type, for FIT images get FIT kernel node */
524 *os_data = *os_len = 0;
525 switch (genimg_get_format ((void *)img_addr)) {
526 case IMAGE_FORMAT_LEGACY:
527 printf ("## Booting kernel from Legacy Image at %08lx ...\n",
529 hdr = image_get_kernel (img_addr, images->verify);
532 show_boot_progress (5);
534 /* get os_data and os_len */
535 switch (image_get_type (hdr)) {
537 *os_data = image_get_data (hdr);
538 *os_len = image_get_data_size (hdr);
541 image_multi_getimg (hdr, 0, os_data, os_len);
544 printf ("Wrong Image Type for %s command\n", cmdtp->name);
545 show_boot_progress (-5);
550 * copy image header to allow for image overwrites during kernel
553 memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
555 /* save pointer to image header */
556 images->legacy_hdr_os = hdr;
558 images->legacy_hdr_valid = 1;
559 show_boot_progress (6);
561 #if defined(CONFIG_FIT)
562 case IMAGE_FORMAT_FIT:
563 fit_hdr = (void *)img_addr;
564 printf ("## Booting kernel from FIT Image at %08lx ...\n",
567 if (!fit_check_format (fit_hdr)) {
568 puts ("Bad FIT kernel image format!\n");
569 show_boot_progress (-100);
572 show_boot_progress (100);
574 if (!fit_uname_kernel) {
576 * no kernel image node unit name, try to get config
577 * node first. If config unit node name is NULL
578 * fit_conf_get_node() will try to find default config node
580 show_boot_progress (101);
581 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
582 if (cfg_noffset < 0) {
583 show_boot_progress (-101);
586 /* save configuration uname provided in the first
589 images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
590 printf (" Using '%s' configuration\n", images->fit_uname_cfg);
591 show_boot_progress (103);
593 os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
594 fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
596 /* get kernel component image node offset */
597 show_boot_progress (102);
598 os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
600 if (os_noffset < 0) {
601 show_boot_progress (-103);
605 printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
607 show_boot_progress (104);
608 if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
611 /* get kernel image data address and length */
612 if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
613 puts ("Could not find kernel subimage data!\n");
614 show_boot_progress (-107);
617 show_boot_progress (108);
620 *os_data = (ulong)data;
621 images->fit_hdr_os = fit_hdr;
622 images->fit_uname_os = fit_uname_kernel;
623 images->fit_noffset_os = os_noffset;
627 printf ("Wrong Image Format for %s command\n", cmdtp->name);
628 show_boot_progress (-108);
632 debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
633 *os_data, *os_len, *os_len);
635 return (void *)img_addr;
639 bootm, CFG_MAXARGS, 1, do_bootm,
640 "bootm - boot application image from memory\n",
641 "[addr [arg ...]]\n - boot application image stored in memory\n"
642 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
643 "\t'arg' can be the address of an initrd image\n"
644 #if defined(CONFIG_OF_LIBFDT)
645 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
646 "\ta third argument is required which is the address of the\n"
647 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
648 "\tuse a '-' for the second argument. If you do not pass a third\n"
649 "\ta bd_info struct will be passed instead\n"
651 #if defined(CONFIG_FIT)
652 "\t\nFor the new multi component uImage format (FIT) addresses\n"
653 "\tmust be extened to include component or configuration unit name:\n"
654 "\taddr:<subimg_uname> - direct component image specification\n"
655 "\taddr#<conf_uname> - configuration specification\n"
656 "\tUse iminfo command to get the list of existing component\n"
657 "\timages and configurations.\n"
661 /*******************************************************************/
662 /* bootd - boot default image */
663 /*******************************************************************/
664 #if defined(CONFIG_CMD_BOOTD)
665 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
669 #ifndef CFG_HUSH_PARSER
670 if (run_command (getenv ("bootcmd"), flag) < 0)
673 if (parse_string_outer (getenv ("bootcmd"),
674 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
681 boot, 1, 1, do_bootd,
682 "boot - boot default, i.e., run 'bootcmd'\n",
686 /* keep old command name "bootd" for backward compatibility */
688 bootd, 1, 1, do_bootd,
689 "bootd - boot default, i.e., run 'bootcmd'\n",
696 /*******************************************************************/
697 /* iminfo - print header info for a requested image */
698 /*******************************************************************/
699 #if defined(CONFIG_CMD_IMI)
700 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
707 return image_info (load_addr);
710 for (arg = 1; arg < argc; ++arg) {
711 addr = simple_strtoul (argv[arg], NULL, 16);
712 if (image_info (addr) != 0)
718 static int image_info (ulong addr)
720 void *hdr = (void *)addr;
722 printf ("\n## Checking Image at %08lx ...\n", addr);
724 switch (genimg_get_format (hdr)) {
725 case IMAGE_FORMAT_LEGACY:
726 puts (" Legacy image found\n");
727 if (!image_check_magic (hdr)) {
728 puts (" Bad Magic Number\n");
732 if (!image_check_hcrc (hdr)) {
733 puts (" Bad Header Checksum\n");
737 image_print_contents (hdr);
739 puts (" Verifying Checksum ... ");
740 if (!image_check_dcrc (hdr)) {
741 puts (" Bad Data CRC\n");
746 #if defined(CONFIG_FIT)
747 case IMAGE_FORMAT_FIT:
748 puts (" FIT image found\n");
750 if (!fit_check_format (hdr)) {
751 puts ("Bad FIT image format!\n");
755 fit_print_contents (hdr);
759 puts ("Unknown image format!\n");
767 iminfo, CFG_MAXARGS, 1, do_iminfo,
768 "iminfo - print header information for application image\n",
770 " - print header information for application image starting at\n"
771 " address 'addr' in memory; this includes verification of the\n"
772 " image contents (magic number, header and payload checksums)\n"
777 /*******************************************************************/
778 /* imls - list all images found in flash */
779 /*******************************************************************/
780 #if defined(CONFIG_CMD_IMLS)
781 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
787 for (i = 0, info = &flash_info[0];
788 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
790 if (info->flash_id == FLASH_UNKNOWN)
792 for (j = 0; j < info->sector_count; ++j) {
794 hdr = (void *)info->start[j];
798 switch (genimg_get_format (hdr)) {
799 case IMAGE_FORMAT_LEGACY:
800 if (!image_check_hcrc (hdr))
803 printf ("Legacy Image at %08lX:\n", (ulong)hdr);
804 image_print_contents (hdr);
806 puts (" Verifying Checksum ... ");
807 if (!image_check_dcrc (hdr)) {
808 puts ("Bad Data CRC\n");
813 #if defined(CONFIG_FIT)
814 case IMAGE_FORMAT_FIT:
815 if (!fit_check_format (hdr))
818 printf ("FIT Image at %08lX:\n", (ulong)hdr);
819 fit_print_contents (hdr);
836 "imls - list all images found in flash\n",
838 " - Prints information about all images found at sector\n"
839 " boundaries in flash.\n"
843 /*******************************************************************/
844 /* helper routines */
845 /*******************************************************************/
846 #ifdef CONFIG_SILENT_CONSOLE
847 static void fixup_silent_linux ()
849 char buf[256], *start, *end;
850 char *cmdline = getenv ("bootargs");
852 /* Only fix cmdline when requested */
853 if (!(gd->flags & GD_FLG_SILENT))
856 debug ("before silent fix-up: %s\n", cmdline);
858 if ((start = strstr (cmdline, "console=")) != NULL) {
859 end = strchr (start, ' ');
860 strncpy (buf, cmdline, (start - cmdline + 8));
862 strcpy (buf + (start - cmdline + 8), end);
864 buf[start - cmdline + 8] = '\0';
866 strcpy (buf, cmdline);
867 strcat (buf, " console=");
870 strcpy (buf, "console=");
873 setenv ("bootargs", buf);
874 debug ("after silent fix-up: %s\n", buf);
876 #endif /* CONFIG_SILENT_CONSOLE */
879 /*******************************************************************/
880 /* OS booting routines */
881 /*******************************************************************/
883 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
884 int argc, char *argv[],
885 bootm_headers_t *images)
887 void (*loader)(bd_t *, image_header_t *, char *, char *);
888 image_header_t *os_hdr, *hdr;
889 ulong kernel_data, kernel_len;
893 #if defined(CONFIG_FIT)
894 if (!images->legacy_hdr_valid) {
895 fit_unsupported_reset ("NetBSD");
896 do_reset (cmdtp, flag, argc, argv);
899 hdr = images->legacy_hdr_os;
902 * Booting a (NetBSD) kernel image
904 * This process is pretty similar to a standalone application:
905 * The (first part of an multi-) image must be a stage-2 loader,
906 * which in turn is responsible for loading & invoking the actual
907 * kernel. The only differences are the parameters being passed:
908 * besides the board info strucure, the loader expects a command
909 * line, the name of the console device, and (optionally) the
910 * address of the original image header.
913 if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
914 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
920 #if defined (CONFIG_8xx_CONS_SMC1)
922 #elif defined (CONFIG_8xx_CONS_SMC2)
924 #elif defined (CONFIG_8xx_CONS_SCC2)
926 #elif defined (CONFIG_8xx_CONS_SCC3)
934 for (i = 2, len = 0; i < argc; i += 1)
935 len += strlen (argv[i]) + 1;
936 cmdline = malloc (len);
938 for (i = 2, len = 0; i < argc; i += 1) {
940 cmdline[len++] = ' ';
941 strcpy (&cmdline[len], argv[i]);
942 len += strlen (argv[i]);
944 } else if ((cmdline = getenv ("bootargs")) == NULL) {
948 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
950 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
953 show_boot_progress (15);
956 * NetBSD Stage-2 Loader Parameters:
957 * r3: ptr to board info data
960 * r6: boot args string
962 (*loader) (gd->bd, os_hdr, consdev, cmdline);
965 #ifdef CONFIG_LYNXKDI
966 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
967 int argc, char *argv[],
968 bootm_headers_t *images)
970 image_header_t *hdr = &images->legacy_hdr_os_copy;
972 #if defined(CONFIG_FIT)
973 if (!images->legacy_hdr_valid) {
974 fit_unsupported_reset ("Lynx");
975 do_reset (cmdtp, flag, argc, argv);
979 lynxkdi_boot ((image_header_t *)hdr);
981 #endif /* CONFIG_LYNXKDI */
983 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
984 int argc, char *argv[],
985 bootm_headers_t *images)
987 image_header_t *hdr = &images->legacy_hdr_os_copy;
988 void (*entry_point)(bd_t *);
990 #if defined(CONFIG_FIT)
991 if (!images->legacy_hdr_valid) {
992 fit_unsupported_reset ("RTEMS");
993 do_reset (cmdtp, flag, argc, argv);
997 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
999 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1000 (ulong)entry_point);
1002 show_boot_progress (15);
1006 * r3: ptr to board info data
1008 (*entry_point)(gd->bd);
1011 #if defined(CONFIG_CMD_ELF)
1012 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
1013 int argc, char *argv[],
1014 bootm_headers_t *images)
1017 image_header_t *hdr = &images->legacy_hdr_os_copy;
1019 #if defined(CONFIG_FIT)
1020 if (!images->legacy_hdr_valid) {
1021 fit_unsupported_reset ("VxWorks");
1022 do_reset (cmdtp, flag, argc, argv);
1026 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1027 setenv("loadaddr", str);
1028 do_bootvx(cmdtp, 0, 0, NULL);
1031 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
1032 int argc, char *argv[],
1033 bootm_headers_t *images)
1035 char *local_args[2];
1037 image_header_t *hdr = &images->legacy_hdr_os_copy;
1039 #if defined(CONFIG_FIT)
1040 if (!images->legacy_hdr_valid) {
1041 fit_unsupported_reset ("QNX");
1042 do_reset (cmdtp, flag, argc, argv);
1046 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
1047 local_args[0] = argv[0];
1048 local_args[1] = str; /* and provide it via the arguments */
1049 do_bootelf(cmdtp, 0, 2, local_args);
1053 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1054 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1055 int argc, char *argv[],
1056 bootm_headers_t *images)
1061 int i, j, nxt, len, envno, envsz;
1063 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1064 image_header_t *hdr = &images->legacy_hdr_os_copy;
1066 #if defined(CONFIG_FIT)
1067 if (!images->legacy_hdr_valid) {
1068 fit_unsupported_reset ("ARTOS");
1069 do_reset (cmdtp, flag, argc, argv);
1074 * Booting an ARTOS kernel image + application
1077 /* this used to be the top of memory, but was wrong... */
1079 /* get stack pointer */
1080 asm volatile ("mr %0,1" : "=r"(top) );
1082 debug ("## Current stack ends at 0x%08lX ", top);
1084 top -= 2048; /* just to be sure */
1085 if (top > CFG_BOOTMAPSZ)
1086 top = CFG_BOOTMAPSZ;
1089 debug ("=> set upper limit to 0x%08lX\n", top);
1091 /* first check the artos specific boot args, then the linux args*/
1092 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
1095 /* get length of cmdline, and place it */
1097 top = (top - (len + 1)) & ~0xF;
1098 cmdline = (char *)top;
1099 debug ("## cmdline at 0x%08lX ", top);
1100 strcpy (cmdline, s);
1103 top = (top - sizeof (bd_t)) & ~0xF;
1104 debug ("## bd at 0x%08lX ", top);
1106 memcpy (kbd, gd->bd, sizeof (bd_t));
1108 /* first find number of env entries, and their size */
1111 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1112 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1115 envsz += (nxt - i) + 1; /* plus trailing zero */
1117 envno++; /* plus the terminating zero */
1118 debug ("## %u envvars total size %u ", envno, envsz);
1120 top = (top - sizeof (char **) * envno) & ~0xF;
1121 fwenv = (char **)top;
1122 debug ("## fwenv at 0x%08lX ", top);
1124 top = (top - envsz) & ~0xF;
1129 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
1130 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
1133 for (j = i; j < nxt; ++j)
1134 *s++ = env_get_char (j);
1137 *ss++ = NULL; /* terminate */
1139 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
1140 (*entry) (kbd, cmdline, fwenv, top);