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>
37 #include <asm/byteorder.h>
39 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
43 #ifdef CFG_HUSH_PARSER
47 #ifdef CONFIG_HAS_DATAFLASH
48 #include <dataflash.h>
51 DECLARE_GLOBAL_DATA_PTR;
53 extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
55 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
59 extern void bz_internal_error(int);
62 #if defined(CONFIG_CMD_IMI)
63 static int image_info (unsigned long addr);
66 #if defined(CONFIG_CMD_IMLS)
68 extern flash_info_t flash_info[]; /* info for FLASH chips */
69 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
72 #ifdef CONFIG_SILENT_CONSOLE
73 static void fixup_silent_linux (void);
76 static void print_type (image_header_t *hdr);
77 static image_header_t *get_kernel (cmd_tbl_t *cmdtp, int flag,
78 int argc, char *argv[], int verify,
79 ulong *os_data, ulong *os_len);
80 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
83 * Continue booting an OS image; caller already has:
84 * - copied image header to global variable `header'
85 * - checked header magic number, checksums (both header & image),
86 * - verified image architecture (PPC) and type (KERNEL or MULTI),
87 * - loaded (first part of) image to header load address,
88 * - disabled interrupts.
90 typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag,
91 int argc, char *argv[],
92 image_header_t *hdr, /* of image to boot */
93 int verify); /* getenv("verify")[0] != 'n' */
95 extern boot_os_fn do_bootm_linux;
96 static boot_os_fn do_bootm_netbsd;
97 #if defined(CONFIG_LYNXKDI)
98 static boot_os_fn do_bootm_lynxkdi;
99 extern void lynxkdi_boot (image_header_t *);
101 static boot_os_fn do_bootm_rtems;
102 #if defined(CONFIG_CMD_ELF)
103 static boot_os_fn do_bootm_vxworks;
104 static boot_os_fn do_bootm_qnxelf;
105 int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
106 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
108 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
109 extern uchar (*env_get_char)(int); /* Returns a character from the environment */
110 static boot_os_fn do_bootm_artos;
113 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
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 int verify = getenv_verify();
127 ulong os_data, os_len;
129 ulong image_start, image_end;
130 ulong load_start, load_end;
132 /* get kernel image header, start address and length */
133 hdr = get_kernel (cmdtp, flag, argc, argv, verify,
138 show_boot_progress (6);
141 * We have reached the point of no return: we are going to
142 * overwrite all exception vector code, so we cannot easily
143 * recover from any failures any more...
145 iflag = disable_interrupts();
147 #ifdef CONFIG_AMIGAONEG3SE
149 * We've possible left the caches enabled during
150 * bios emulation, so turn them off again
153 invalidate_l1_instruction_cache();
158 type_name = image_get_type_name (image_get_type (hdr));
160 image_start = (ulong)hdr;
161 image_end = image_get_image_end (hdr);
162 load_start = image_get_load (hdr);
165 switch (image_get_comp (hdr)) {
167 if (image_get_load (hdr) == (ulong)hdr) {
168 printf (" XIP %s ... ", type_name);
170 printf (" Loading %s ... ", type_name);
172 memmove_wd ((void *)image_get_load (hdr),
173 (void *)os_data, os_len, CHUNKSZ);
175 load_end = load_start + os_len;
180 printf (" Uncompressing %s ... ", type_name);
181 if (gunzip ((void *)image_get_load (hdr), unc_len,
182 (uchar *)os_data, &os_len) != 0) {
183 puts ("GUNZIP ERROR - must RESET board to recover\n");
184 show_boot_progress (-6);
185 do_reset (cmdtp, flag, argc, argv);
188 load_end = load_start + os_len;
192 printf (" Uncompressing %s ... ", type_name);
194 * If we've got less than 4 MB of malloc() space,
195 * use slower decompression algorithm which requires
196 * at most 2300 KB of memory.
198 int i = BZ2_bzBuffToBuffDecompress ((char*)image_get_load (hdr),
199 &unc_len, (char *)os_data, os_len,
200 CFG_MALLOC_LEN < (4096 * 1024), 0);
202 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
203 show_boot_progress (-6);
204 do_reset (cmdtp, flag, argc, argv);
207 load_end = load_start + unc_len;
209 #endif /* CONFIG_BZIP2 */
213 printf ("Unimplemented compression type %d\n", image_get_comp (hdr));
214 show_boot_progress (-7);
218 debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
219 show_boot_progress (7);
221 if ((load_start < image_end) && (load_end > image_start)) {
222 debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
223 debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
225 puts ("ERROR: image overwritten - must RESET the board to recover.\n");
226 do_reset (cmdtp, flag, argc, argv);
229 show_boot_progress (8);
231 switch (image_get_os (hdr)) {
232 default: /* handled by (original) Linux case */
234 #ifdef CONFIG_SILENT_CONSOLE
235 fixup_silent_linux();
237 do_bootm_linux (cmdtp, flag, argc, argv, hdr, verify);
241 do_bootm_netbsd (cmdtp, flag, argc, argv, hdr, verify);
244 #ifdef CONFIG_LYNXKDI
246 do_bootm_lynxkdi (cmdtp, flag, argc, argv, hdr, verify);
251 do_bootm_rtems (cmdtp, flag, argc, argv, hdr, verify);
254 #if defined(CONFIG_CMD_ELF)
256 do_bootm_vxworks (cmdtp, flag, argc, argv, hdr, verify);
260 do_bootm_qnxelf (cmdtp, flag, argc, argv, hdr, verify);
266 do_bootm_artos (cmdtp, flag, argc, argv, hdr, verify);
271 show_boot_progress (-9);
273 puts ("\n## Control returned to monitor - resetting...\n");
274 do_reset (cmdtp, flag, argc, argv);
280 * get_kernel - find kernel image
281 * @os_data: pointer to a ulong variable, will hold os data start address
282 * @os_len: pointer to a ulong variable, will hold os data length
284 * get_kernel() tries to find a kernel image, verifies its integrity
285 * and locates kernel data.
288 * pointer to image header if valid image was found, plus kernel start
289 * address and length, otherwise NULL
291 static image_header_t *get_kernel (cmd_tbl_t *cmdtp, int flag,
292 int argc, char *argv[], int verify,
293 ulong *os_data, ulong *os_len)
299 img_addr = load_addr;
301 img_addr = simple_strtoul(argv[1], NULL, 16);
304 show_boot_progress (1);
305 printf ("## Booting image at %08lx ...\n", img_addr);
307 #ifdef CONFIG_HAS_DATAFLASH
308 if (addr_dataflash (img_addr)){
309 hdr = (image_header_t *)CFG_LOAD_ADDR;
310 read_dataflash (img_addr, image_get_header_size (), (char *)hdr);
313 hdr = (image_header_t *)img_addr;
315 if (!image_check_magic(hdr)) {
316 puts ("Bad Magic Number\n");
317 show_boot_progress (-1);
320 show_boot_progress (2);
322 if (!image_check_hcrc (hdr)) {
323 puts ("Bad Header Checksum\n");
324 show_boot_progress (-2);
327 show_boot_progress (3);
329 #ifdef CONFIG_HAS_DATAFLASH
330 if (addr_dataflash (img_addr))
331 read_dataflash (img_addr + image_get_header_size (),
332 image_get_data_size (hdr),
333 (char *)image_get_data (hdr));
336 /* uImage is in a system RAM, pointed to by hdr */
337 print_image_hdr (hdr);
340 puts (" Verifying Checksum ... ");
341 if (!image_check_dcrc (hdr)) {
342 printf ("Bad Data CRC\n");
343 show_boot_progress (-3);
348 show_boot_progress (4);
350 if (!image_check_target_arch (hdr)) {
351 printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
352 show_boot_progress (-4);
355 show_boot_progress (5);
357 switch (image_get_type (hdr)) {
359 *os_data = image_get_data (hdr);
360 *os_len = image_get_data_size (hdr);
363 image_multi_getimg (hdr, 0, os_data, os_len);
366 printf ("Wrong Image Type for %s command\n", cmdtp->name);
367 show_boot_progress (-5);
370 debug (" kernel data at 0x%08lx, end = 0x%08lx\n",
371 *os_data, *os_data + *os_len);
377 bootm, CFG_MAXARGS, 1, do_bootm,
378 "bootm - boot application image from memory\n",
379 "[addr [arg ...]]\n - boot application image stored in memory\n"
380 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
381 "\t'arg' can be the address of an initrd image\n"
382 #if defined(CONFIG_OF_LIBFDT)
383 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
384 "\ta third argument is required which is the address of the\n"
385 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
386 "\tuse a '-' for the second argument. If you do not pass a third\n"
387 "\ta bd_info struct will be passed instead\n"
391 /*******************************************************************/
392 /* bootd - boot default image */
393 /*******************************************************************/
394 #if defined(CONFIG_CMD_BOOTD)
395 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
399 #ifndef CFG_HUSH_PARSER
400 if (run_command (getenv ("bootcmd"), flag) < 0)
403 if (parse_string_outer (getenv ("bootcmd"),
404 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
411 boot, 1, 1, do_bootd,
412 "boot - boot default, i.e., run 'bootcmd'\n",
416 /* keep old command name "bootd" for backward compatibility */
418 bootd, 1, 1, do_bootd,
419 "bootd - boot default, i.e., run 'bootcmd'\n",
426 /*******************************************************************/
427 /* iminfo - print header info for a requested image */
428 /*******************************************************************/
429 #if defined(CONFIG_CMD_IMI)
430 int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
437 return image_info (load_addr);
440 for (arg = 1; arg < argc; ++arg) {
441 addr = simple_strtoul (argv[arg], NULL, 16);
442 if (image_info (addr) != 0)
448 static int image_info (ulong addr)
450 image_header_t *hdr = (image_header_t *)addr;
452 printf ("\n## Checking Image at %08lx ...\n", addr);
454 if (!image_check_magic (hdr)) {
455 puts (" Bad Magic Number\n");
459 if (!image_check_hcrc (hdr)) {
460 puts (" Bad Header Checksum\n");
464 print_image_hdr (hdr);
466 puts (" Verifying Checksum ... ");
467 if (!image_check_dcrc (hdr)) {
468 puts (" Bad Data CRC\n");
476 iminfo, CFG_MAXARGS, 1, do_iminfo,
477 "iminfo - print header information for application image\n",
479 " - print header information for application image starting at\n"
480 " address 'addr' in memory; this includes verification of the\n"
481 " image contents (magic number, header and payload checksums)\n"
486 /*******************************************************************/
487 /* imls - list all images found in flash */
488 /*******************************************************************/
489 #if defined(CONFIG_CMD_IMLS)
490 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
496 for (i = 0, info = &flash_info[0];
497 i < CFG_MAX_FLASH_BANKS; ++i, ++info) {
499 if (info->flash_id == FLASH_UNKNOWN)
501 for (j = 0; j < info->sector_count; ++j) {
503 hdr = (image_header_t *)info->start[j];
505 if (!hdr || !image_check_magic (hdr))
508 if (!image_check_hcrc (hdr))
511 printf ("Image at %08lX:\n", (ulong)hdr);
512 print_image_hdr (hdr);
514 puts (" Verifying Checksum ... ");
515 if (!image_check_dcrc (hdr)) {
516 puts ("Bad Data CRC\n");
530 "imls - list all images found in flash\n",
532 " - Prints information about all images found at sector\n"
533 " boundaries in flash.\n"
537 /*******************************************************************/
538 /* helper routines */
539 /*******************************************************************/
540 void print_image_hdr (image_header_t *hdr)
542 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
543 time_t timestamp = (time_t)image_get_time (hdr);
547 printf (" Image Name: %.*s\n", IH_NMLEN, image_get_name (hdr));
549 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
550 to_tm (timestamp, &tm);
551 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
552 tm.tm_year, tm.tm_mon, tm.tm_mday,
553 tm.tm_hour, tm.tm_min, tm.tm_sec);
555 puts (" Image Type: ");
558 printf ("\n Data Size: %d Bytes = ", image_get_data_size (hdr));
559 print_size (image_get_data_size (hdr), "\n");
560 printf (" Load Address: %08x\n"
561 " Entry Point: %08x\n",
562 image_get_load (hdr), image_get_ep (hdr));
564 if (image_check_type (hdr, IH_TYPE_MULTI)) {
567 ulong count = image_multi_count (hdr);
569 puts (" Contents:\n");
570 for (i = 0; i < count; i++) {
571 image_multi_getimg (hdr, i, &data, &len);
572 printf (" Image %d: %8ld Bytes = ", i, len);
573 print_size (len, "\n");
578 static void print_type (image_header_t *hdr)
580 const char *os, *arch, *type, *comp;
582 os = image_get_os_name (image_get_os (hdr));
583 arch = image_get_arch_name (image_get_arch (hdr));
584 type = image_get_type_name (image_get_type (hdr));
585 comp = image_get_comp_name (image_get_comp (hdr));
587 printf ("%s %s %s (%s)", arch, os, type, comp);
590 #ifdef CONFIG_SILENT_CONSOLE
591 static void fixup_silent_linux ()
593 char buf[256], *start, *end;
594 char *cmdline = getenv ("bootargs");
596 /* Only fix cmdline when requested */
597 if (!(gd->flags & GD_FLG_SILENT))
600 debug ("before silent fix-up: %s\n", cmdline);
602 if ((start = strstr (cmdline, "console=")) != NULL) {
603 end = strchr (start, ' ');
604 strncpy (buf, cmdline, (start - cmdline + 8));
606 strcpy (buf + (start - cmdline + 8), end);
608 buf[start - cmdline + 8] = '\0';
610 strcpy (buf, cmdline);
611 strcat (buf, " console=");
614 strcpy (buf, "console=");
617 setenv ("bootargs", buf);
618 debug ("after silent fix-up: %s\n", buf);
620 #endif /* CONFIG_SILENT_CONSOLE */
623 /*******************************************************************/
624 /* OS booting routines */
625 /*******************************************************************/
627 static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
628 int argc, char *argv[],
629 image_header_t *hdr, int verify)
631 void (*loader)(bd_t *, image_header_t *, char *, char *);
632 image_header_t *img_addr;
633 ulong kernel_data, kernel_len;
638 * Booting a (NetBSD) kernel image
640 * This process is pretty similar to a standalone application:
641 * The (first part of an multi-) image must be a stage-2 loader,
642 * which in turn is responsible for loading & invoking the actual
643 * kernel. The only differences are the parameters being passed:
644 * besides the board info strucure, the loader expects a command
645 * line, the name of the console device, and (optionally) the
646 * address of the original image header.
650 if (image_check_type (hdr, IH_TYPE_MULTI)) {
651 image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
657 #if defined (CONFIG_8xx_CONS_SMC1)
659 #elif defined (CONFIG_8xx_CONS_SMC2)
661 #elif defined (CONFIG_8xx_CONS_SCC2)
663 #elif defined (CONFIG_8xx_CONS_SCC3)
671 for (i = 2, len = 0; i < argc; i += 1)
672 len += strlen (argv[i]) + 1;
673 cmdline = malloc (len);
675 for (i = 2, len = 0; i < argc; i += 1) {
677 cmdline[len++] = ' ';
678 strcpy (&cmdline[len], argv[i]);
679 len += strlen (argv[i]);
681 } else if ((cmdline = getenv ("bootargs")) == NULL) {
685 loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
687 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
690 show_boot_progress (15);
693 * NetBSD Stage-2 Loader Parameters:
694 * r3: ptr to board info data
697 * r6: boot args string
699 (*loader) (gd->bd, img_addr, consdev, cmdline);
702 #ifdef CONFIG_LYNXKDI
703 static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
704 int argc, char *argv[],
705 image_header_t *hdr, int verify)
709 #endif /* CONFIG_LYNXKDI */
711 static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag,
712 int argc, char *argv[],
713 image_header_t *hdr, int verify)
715 void (*entry_point)(bd_t *);
717 entry_point = (void (*)(bd_t *))image_get_ep (hdr);
719 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
722 show_boot_progress (15);
726 * r3: ptr to board info data
728 (*entry_point)(gd->bd);
731 #if defined(CONFIG_CMD_ELF)
732 static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag,
733 int argc, char *argv[],
734 image_header_t *hdr, int verify)
738 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
739 setenv("loadaddr", str);
740 do_bootvx(cmdtp, 0, 0, NULL);
743 static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag,
744 int argc, char *argv[],
745 image_header_t *hdr, int verify)
750 sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
751 local_args[0] = argv[0];
752 local_args[1] = str; /* and provide it via the arguments */
753 do_bootelf(cmdtp, 0, 2, local_args);
757 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
758 static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
759 int argc, char *argv[],
760 image_header_t *hdr, int verify)
765 int i, j, nxt, len, envno, envsz;
767 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
770 * Booting an ARTOS kernel image + application
773 /* this used to be the top of memory, but was wrong... */
775 /* get stack pointer */
776 asm volatile ("mr %0,1" : "=r"(top) );
778 debug ("## Current stack ends at 0x%08lX ", top);
780 top -= 2048; /* just to be sure */
781 if (top > CFG_BOOTMAPSZ)
785 debug ("=> set upper limit to 0x%08lX\n", top);
787 /* first check the artos specific boot args, then the linux args*/
788 if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL)
791 /* get length of cmdline, and place it */
793 top = (top - (len + 1)) & ~0xF;
794 cmdline = (char *)top;
795 debug ("## cmdline at 0x%08lX ", top);
799 top = (top - sizeof (bd_t)) & ~0xF;
800 debug ("## bd at 0x%08lX ", top);
802 memcpy (kbd, gd->bd, sizeof (bd_t));
804 /* first find number of env entries, and their size */
807 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
808 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
811 envsz += (nxt - i) + 1; /* plus trailing zero */
813 envno++; /* plus the terminating zero */
814 debug ("## %u envvars total size %u ", envno, envsz);
816 top = (top - sizeof (char **) * envno) & ~0xF;
817 fwenv = (char **)top;
818 debug ("## fwenv at 0x%08lX ", top);
820 top = (top - envsz) & ~0xF;
825 for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) {
826 for (nxt = i; env_get_char (nxt) != '\0'; ++nxt)
829 for (j = i; j < nxt; ++j)
830 *s++ = env_get_char (j);
833 *ss++ = NULL; /* terminate */
835 entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
836 (*entry) (kbd, cmdline, fwenv, top);