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,
34 #include <environment.h>
35 #include <asm/byteorder.h>
37 #ifdef CONFIG_OF_FLAT_TREE
41 DECLARE_GLOBAL_DATA_PTR;
44 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
46 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
50 #ifdef CFG_HUSH_PARSER
54 #ifdef CONFIG_SHOW_BOOT_PROGRESS
55 # include <status_led.h>
56 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
58 # define SHOW_BOOT_PROGRESS(arg)
61 #ifdef CFG_INIT_RAM_LOCK
62 #include <asm/cache.h>
65 #ifdef CONFIG_LOGBUFFER
69 #ifdef CONFIG_HAS_DATAFLASH
70 #include <dataflash.h>
74 * Some systems (for example LWMON) have very short watchdog periods;
75 * we must make sure to split long operations like memmove() or
76 * crc32() into reasonable chunks.
78 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
79 # define CHUNKSZ (64 * 1024)
82 int gunzip (void *, int, unsigned char *, unsigned long *);
84 static void *zalloc(void *, unsigned, unsigned);
85 static void zfree(void *, void *, unsigned);
87 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
88 static int image_info (unsigned long addr);
91 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
93 extern flash_info_t flash_info[]; /* info for FLASH chips */
94 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
97 static void print_type (image_header_t *hdr);
100 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
104 * Continue booting an OS image; caller already has:
105 * - copied image header to global variable `header'
106 * - checked header magic number, checksums (both header & image),
107 * - verified image architecture (PPC) and type (KERNEL or MULTI),
108 * - loaded (first part of) image to header load address,
109 * - disabled interrupts.
111 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
112 int argc, char *argv[],
113 ulong addr, /* of image to boot */
114 ulong *len_ptr, /* multi-file image length table */
115 int verify); /* getenv("verify")[0] != 'n' */
118 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
122 static boot_os_Fcn do_bootm_linux;
124 extern boot_os_Fcn do_bootm_linux;
126 #ifdef CONFIG_SILENT_CONSOLE
127 static void fixup_silent_linux (void);
129 static boot_os_Fcn do_bootm_netbsd;
130 static boot_os_Fcn do_bootm_rtems;
131 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
132 static boot_os_Fcn do_bootm_vxworks;
133 static boot_os_Fcn do_bootm_qnxelf;
134 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
135 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
136 #endif /* CFG_CMD_ELF */
137 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
138 static boot_os_Fcn do_bootm_artos;
140 #ifdef CONFIG_LYNXKDI
141 static boot_os_Fcn do_bootm_lynxkdi;
142 extern void lynxkdi_boot( image_header_t * );
145 #ifndef CFG_BOOTM_LEN
146 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
149 image_header_t header;
151 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
153 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
157 ulong data, len, checksum;
159 uint unc_len = CFG_BOOTM_LEN;
162 int (*appl)(int, char *[]);
163 image_header_t *hdr = &header;
165 s = getenv ("verify");
166 verify = (s && (*s == 'n')) ? 0 : 1;
171 addr = simple_strtoul(argv[1], NULL, 16);
174 SHOW_BOOT_PROGRESS (1);
175 printf ("## Booting image at %08lx ...\n", addr);
177 /* Copy header so we can blank CRC field for re-calculation */
178 #ifdef CONFIG_HAS_DATAFLASH
179 if (addr_dataflash(addr)){
180 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
183 memmove (&header, (char *)addr, sizeof(image_header_t));
185 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
186 #ifdef __I386__ /* correct image format not implemented yet - fake it */
187 if (fake_header(hdr, (void*)addr, -1) != NULL) {
188 /* to compensate for the addition below */
189 addr -= sizeof(image_header_t);
191 * fake_header() does not fake the data crc
195 #endif /* __I386__ */
197 puts ("Bad Magic Number\n");
198 SHOW_BOOT_PROGRESS (-1);
202 SHOW_BOOT_PROGRESS (2);
204 data = (ulong)&header;
205 len = sizeof(image_header_t);
207 checksum = ntohl(hdr->ih_hcrc);
210 if (crc32 (0, (uchar *)data, len) != checksum) {
211 puts ("Bad Header Checksum\n");
212 SHOW_BOOT_PROGRESS (-2);
215 SHOW_BOOT_PROGRESS (3);
217 #ifdef CONFIG_HAS_DATAFLASH
218 if (addr_dataflash(addr)){
219 len = ntohl(hdr->ih_size) + sizeof(image_header_t);
220 read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
221 addr = CFG_LOAD_ADDR;
226 /* for multi-file images we need the data part, too */
227 print_image_hdr ((image_header_t *)addr);
229 data = addr + sizeof(image_header_t);
230 len = ntohl(hdr->ih_size);
233 puts (" Verifying Checksum ... ");
234 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
235 printf ("Bad Data CRC\n");
236 SHOW_BOOT_PROGRESS (-3);
241 SHOW_BOOT_PROGRESS (4);
243 len_ptr = (ulong *)data;
246 if (hdr->ih_arch != IH_CPU_PPC)
247 #elif defined(__ARM__)
248 if (hdr->ih_arch != IH_CPU_ARM)
249 #elif defined(__I386__)
250 if (hdr->ih_arch != IH_CPU_I386)
251 #elif defined(__mips__)
252 if (hdr->ih_arch != IH_CPU_MIPS)
253 #elif defined(__nios__)
254 if (hdr->ih_arch != IH_CPU_NIOS)
255 #elif defined(__M68K__)
256 if (hdr->ih_arch != IH_CPU_M68K)
257 #elif defined(__microblaze__)
258 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
259 #elif defined(__nios2__)
260 if (hdr->ih_arch != IH_CPU_NIOS2)
261 #elif defined(__blackfin__)
262 if (hdr->ih_arch != IH_CPU_BLACKFIN)
264 # error Unknown CPU type
267 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
268 SHOW_BOOT_PROGRESS (-4);
271 SHOW_BOOT_PROGRESS (5);
273 switch (hdr->ih_type) {
274 case IH_TYPE_STANDALONE:
275 name = "Standalone Application";
276 /* A second argument overwrites the load address */
278 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
282 name = "Kernel Image";
285 name = "Multi-File Image";
286 len = ntohl(len_ptr[0]);
287 /* OS kernel is always the first image */
288 data += 8; /* kernel_len + terminator */
289 for (i=1; len_ptr[i]; ++i)
292 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
293 SHOW_BOOT_PROGRESS (-5);
296 SHOW_BOOT_PROGRESS (6);
299 * We have reached the point of no return: we are going to
300 * overwrite all exception vector code, so we cannot easily
301 * recover from any failures any more...
304 iflag = disable_interrupts();
306 #ifdef CONFIG_AMIGAONEG3SE
308 * We've possible left the caches enabled during
309 * bios emulation, so turn them off again
312 invalidate_l1_instruction_cache();
317 switch (hdr->ih_comp) {
319 if(ntohl(hdr->ih_load) == addr) {
320 printf (" XIP %s ... ", name);
322 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
324 void *to = (void *)ntohl(hdr->ih_load);
325 void *from = (void *)data;
327 printf (" Loading %s ... ", name);
330 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
332 memmove (to, from, tail);
337 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
338 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
339 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
343 printf (" Uncompressing %s ... ", name);
344 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
345 (uchar *)data, &len) != 0) {
346 puts ("GUNZIP ERROR - must RESET board to recover\n");
347 SHOW_BOOT_PROGRESS (-6);
348 do_reset (cmdtp, flag, argc, argv);
353 printf (" Uncompressing %s ... ", name);
355 * If we've got less than 4 MB of malloc() space,
356 * use slower decompression algorithm which requires
357 * at most 2300 KB of memory.
359 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
360 &unc_len, (char *)data, len,
361 CFG_MALLOC_LEN < (4096 * 1024), 0);
363 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
364 SHOW_BOOT_PROGRESS (-6);
366 do_reset (cmdtp, flag, argc, argv);
369 #endif /* CONFIG_BZIP2 */
373 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
374 SHOW_BOOT_PROGRESS (-7);
378 SHOW_BOOT_PROGRESS (7);
380 switch (hdr->ih_type) {
381 case IH_TYPE_STANDALONE:
385 /* load (and uncompress), but don't start if "autostart"
388 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
390 sprintf(buf, "%lX", len);
391 setenv("filesize", buf);
394 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
395 (*appl)(argc-1, &argv[1]);
404 printf ("Can't boot image type %d\n", hdr->ih_type);
405 SHOW_BOOT_PROGRESS (-8);
408 SHOW_BOOT_PROGRESS (8);
410 switch (hdr->ih_os) {
411 default: /* handled by (original) Linux case */
413 #ifdef CONFIG_SILENT_CONSOLE
414 fixup_silent_linux();
416 do_bootm_linux (cmdtp, flag, argc, argv,
417 addr, len_ptr, verify);
420 do_bootm_netbsd (cmdtp, flag, argc, argv,
421 addr, len_ptr, verify);
424 #ifdef CONFIG_LYNXKDI
426 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
427 addr, len_ptr, verify);
432 do_bootm_rtems (cmdtp, flag, argc, argv,
433 addr, len_ptr, verify);
436 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
438 do_bootm_vxworks (cmdtp, flag, argc, argv,
439 addr, len_ptr, verify);
442 do_bootm_qnxelf (cmdtp, flag, argc, argv,
443 addr, len_ptr, verify);
445 #endif /* CFG_CMD_ELF */
448 do_bootm_artos (cmdtp, flag, argc, argv,
449 addr, len_ptr, verify);
454 SHOW_BOOT_PROGRESS (-9);
456 puts ("\n## Control returned to monitor - resetting...\n");
457 do_reset (cmdtp, flag, argc, argv);
463 bootm, CFG_MAXARGS, 1, do_bootm,
464 "bootm - boot application image from memory\n",
465 "[addr [arg ...]]\n - boot application image stored in memory\n"
466 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
467 "\t'arg' can be the address of an initrd image\n"
470 #ifdef CONFIG_SILENT_CONSOLE
472 fixup_silent_linux ()
474 char buf[256], *start, *end;
475 char *cmdline = getenv ("bootargs");
477 /* Only fix cmdline when requested */
478 if (!(gd->flags & GD_FLG_SILENT))
481 debug ("before silent fix-up: %s\n", cmdline);
483 if ((start = strstr (cmdline, "console=")) != NULL) {
484 end = strchr (start, ' ');
485 strncpy (buf, cmdline, (start - cmdline + 8));
487 strcpy (buf + (start - cmdline + 8), end);
489 buf[start - cmdline + 8] = '\0';
491 strcpy (buf, cmdline);
492 strcat (buf, " console=");
495 strcpy (buf, "console=");
498 setenv ("bootargs", buf);
499 debug ("after silent fix-up: %s\n", buf);
501 #endif /* CONFIG_SILENT_CONSOLE */
503 #ifdef CONFIG_OF_FLAT_TREE
504 extern const unsigned char oftree_dtb[];
505 extern const unsigned int oftree_dtb_len;
510 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
511 int argc, char *argv[],
518 ulong initrd_start, initrd_end;
519 ulong cmd_start, cmd_end;
522 int initrd_copy_to_ram = 1;
526 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
527 image_header_t *hdr = &header;
528 #ifdef CONFIG_OF_FLAT_TREE
532 if ((s = getenv ("initrd_high")) != NULL) {
533 /* a value of "no" or a similar string will act like 0,
534 * turning the "load high" feature off. This is intentional.
536 initrd_high = simple_strtoul(s, NULL, 16);
537 if (initrd_high == ~0)
538 initrd_copy_to_ram = 0;
539 } else { /* not set, no restrictions to load high */
541 initrd_copy_to_ram = 0;
544 #ifdef CONFIG_LOGBUFFER
546 /* Prevent initrd from overwriting logbuffer */
547 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
548 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
549 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
553 * Booting a (Linux) kernel image
555 * Allocate space for command line and board info - the
556 * address should be as high as possible within the reach of
557 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
558 * memory, which means far enough below the current stack
562 asm( "mr %0,1": "=r"(sp) : );
564 debug ("## Current stack ends at 0x%08lX ", sp);
566 sp -= 2048; /* just to be sure */
567 if (sp > CFG_BOOTMAPSZ)
571 debug ("=> set upper limit to 0x%08lX\n", sp);
573 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
574 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
576 if ((s = getenv("bootargs")) == NULL)
581 cmd_start = (ulong)&cmdline[0];
582 cmd_end = cmd_start + strlen(cmdline);
587 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
589 do_bdinfo (NULL, 0, 0, NULL);
592 if ((s = getenv ("clocks_in_mhz")) != NULL) {
593 /* convert all clock information to MHz */
594 kbd->bi_intfreq /= 1000000L;
595 kbd->bi_busfreq /= 1000000L;
596 #if defined(CONFIG_MPC8220)
597 kbd->bi_inpfreq /= 1000000L;
598 kbd->bi_pcifreq /= 1000000L;
599 kbd->bi_pevfreq /= 1000000L;
600 kbd->bi_flbfreq /= 1000000L;
601 kbd->bi_vcofreq /= 1000000L;
603 #if defined(CONFIG_CPM2)
604 kbd->bi_cpmfreq /= 1000000L;
605 kbd->bi_brgfreq /= 1000000L;
606 kbd->bi_sccfreq /= 1000000L;
607 kbd->bi_vco /= 1000000L;
609 #if defined(CONFIG_MPC5xxx)
610 kbd->bi_ipbfreq /= 1000000L;
611 kbd->bi_pcifreq /= 1000000L;
612 #endif /* CONFIG_MPC5xxx */
615 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
618 * Check if there is an initrd image
621 SHOW_BOOT_PROGRESS (9);
623 addr = simple_strtoul(argv[2], NULL, 16);
625 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
627 /* Copy header so we can blank CRC field for re-calculation */
628 memmove (&header, (char *)addr, sizeof(image_header_t));
630 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
631 puts ("Bad Magic Number\n");
632 SHOW_BOOT_PROGRESS (-10);
633 do_reset (cmdtp, flag, argc, argv);
636 data = (ulong)&header;
637 len = sizeof(image_header_t);
639 checksum = ntohl(hdr->ih_hcrc);
642 if (crc32 (0, (uchar *)data, len) != checksum) {
643 puts ("Bad Header Checksum\n");
644 SHOW_BOOT_PROGRESS (-11);
645 do_reset (cmdtp, flag, argc, argv);
648 SHOW_BOOT_PROGRESS (10);
650 print_image_hdr (hdr);
652 data = addr + sizeof(image_header_t);
653 len = ntohl(hdr->ih_size);
657 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
658 ulong cdata = data, edata = cdata + len;
659 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
661 puts (" Verifying Checksum ... ");
663 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
665 while (cdata < edata) {
666 ulong chunk = edata - cdata;
670 csum = crc32 (csum, (uchar *)cdata, chunk);
675 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
676 csum = crc32 (0, (uchar *)data, len);
677 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
679 if (csum != ntohl(hdr->ih_dcrc)) {
680 puts ("Bad Data CRC\n");
681 SHOW_BOOT_PROGRESS (-12);
682 do_reset (cmdtp, flag, argc, argv);
687 SHOW_BOOT_PROGRESS (11);
689 if ((hdr->ih_os != IH_OS_LINUX) ||
690 (hdr->ih_arch != IH_CPU_PPC) ||
691 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
692 puts ("No Linux PPC Ramdisk Image\n");
693 SHOW_BOOT_PROGRESS (-13);
694 do_reset (cmdtp, flag, argc, argv);
698 * Now check if we have a multifile image
700 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
701 u_long tail = ntohl(len_ptr[0]) % 4;
704 SHOW_BOOT_PROGRESS (13);
706 /* skip kernel length and terminator */
707 data = (ulong)(&len_ptr[2]);
708 /* skip any additional image length fields */
709 for (i=1; len_ptr[i]; ++i)
711 /* add kernel length, and align */
712 data += ntohl(len_ptr[0]);
717 len = ntohl(len_ptr[1]);
723 SHOW_BOOT_PROGRESS (14);
729 debug ("No initrd\n");
733 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
735 initrd_end = initrd_start + len;
737 initrd_start = (ulong)kbd - len;
738 initrd_start &= ~(4096 - 1); /* align on page */
744 * the inital ramdisk does not need to be within
745 * CFG_BOOTMAPSZ as it is not accessed until after
746 * the mm system is initialised.
748 * do the stack bottom calculation again and see if
749 * the initrd will fit just below the monitor stack
750 * bottom without overwriting the area allocated
751 * above for command line args and board info.
753 asm( "mr %0,1": "=r"(nsp) : );
754 nsp -= 2048; /* just to be sure */
756 if (nsp > initrd_high) /* limit as specified */
759 nsp &= ~(4096 - 1); /* align on page */
764 SHOW_BOOT_PROGRESS (12);
766 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
767 data, data + len - 1, len, len);
769 initrd_end = initrd_start + len;
770 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
771 initrd_start, initrd_end);
772 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
775 void *to = (void *)initrd_start;
776 void *from = (void *)data;
779 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
781 memmove (to, from, tail);
787 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
788 memmove ((void *)initrd_start, (void *)data, len);
789 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
797 #ifdef CONFIG_OF_FLAT_TREE
798 if (initrd_start == 0)
799 of_flat_tree = (char *)(((ulong)kbd - OF_FLAT_TREE_MAX_SIZE -
800 sizeof(bd_t)) & ~0xF);
802 of_flat_tree = (char *)((initrd_start - OF_FLAT_TREE_MAX_SIZE -
803 sizeof(bd_t)) & ~0xF);
806 debug ("## Transferring control to Linux (at address %08lx) ...\n",
809 SHOW_BOOT_PROGRESS (15);
811 #ifndef CONFIG_OF_FLAT_TREE
813 #if defined(CFG_INIT_RAM_LOCK) && (!defined(CONFIG_E500) || !defined(CONFIG_MPC86xx))
814 unlock_ram_in_cache();
818 * Linux Kernel Parameters:
819 * r3: ptr to board info data
820 * r4: initrd_start or 0 if no initrd
821 * r5: initrd_end - unused if r4 is 0
822 * r6: Start of command line string
823 * r7: End of command line string
825 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
828 ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd, initrd_start, initrd_end);
829 /* ft_dump_blob(of_flat_tree); */
831 #if defined(CFG_INIT_RAM_LOCK) && (!defined(CONFIG_E500)||!defined(CONFIG_MPC86xx))
832 unlock_ram_in_cache();
835 * Linux Kernel Parameters:
836 * r3: ptr to OF flat tree, followed by the board info data
837 * r4: physical pointer to the kernel itself
842 if (getenv("disable_of") != NULL)
843 (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end,
846 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
850 #endif /* CONFIG_PPC */
853 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
854 int argc, char *argv[],
859 image_header_t *hdr = &header;
861 void (*loader)(bd_t *, image_header_t *, char *, char *);
862 image_header_t *img_addr;
868 * Booting a (NetBSD) kernel image
870 * This process is pretty similar to a standalone application:
871 * The (first part of an multi-) image must be a stage-2 loader,
872 * which in turn is responsible for loading & invoking the actual
873 * kernel. The only differences are the parameters being passed:
874 * besides the board info strucure, the loader expects a command
875 * line, the name of the console device, and (optionally) the
876 * address of the original image header.
880 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
881 img_addr = (image_header_t *) addr;
885 #if defined (CONFIG_8xx_CONS_SMC1)
887 #elif defined (CONFIG_8xx_CONS_SMC2)
889 #elif defined (CONFIG_8xx_CONS_SCC2)
891 #elif defined (CONFIG_8xx_CONS_SCC3)
899 for (i=2, len=0 ; i<argc ; i+=1)
900 len += strlen (argv[i]) + 1;
901 cmdline = malloc (len);
903 for (i=2, len=0 ; i<argc ; i+=1) {
905 cmdline[len++] = ' ';
906 strcpy (&cmdline[len], argv[i]);
907 len += strlen (argv[i]);
909 } else if ((cmdline = getenv("bootargs")) == NULL) {
913 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
915 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
918 SHOW_BOOT_PROGRESS (15);
921 * NetBSD Stage-2 Loader Parameters:
922 * r3: ptr to board info data
925 * r6: boot args string
927 (*loader) (gd->bd, img_addr, consdev, cmdline);
930 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
932 /* Function that returns a character from the environment */
933 extern uchar (*env_get_char)(int);
936 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
937 int argc, char *argv[],
945 int i, j, nxt, len, envno, envsz;
947 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
948 image_header_t *hdr = &header;
951 * Booting an ARTOS kernel image + application
954 /* this used to be the top of memory, but was wrong... */
956 /* get stack pointer */
957 asm volatile ("mr %0,1" : "=r"(top) );
959 debug ("## Current stack ends at 0x%08lX ", top);
961 top -= 2048; /* just to be sure */
962 if (top > CFG_BOOTMAPSZ)
966 debug ("=> set upper limit to 0x%08lX\n", top);
968 /* first check the artos specific boot args, then the linux args*/
969 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
972 /* get length of cmdline, and place it */
974 top = (top - (len + 1)) & ~0xF;
975 cmdline = (char *)top;
976 debug ("## cmdline at 0x%08lX ", top);
980 top = (top - sizeof(bd_t)) & ~0xF;
981 debug ("## bd at 0x%08lX ", top);
983 memcpy(kbd, gd->bd, sizeof(bd_t));
985 /* first find number of env entries, and their size */
988 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
989 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
992 envsz += (nxt - i) + 1; /* plus trailing zero */
994 envno++; /* plus the terminating zero */
995 debug ("## %u envvars total size %u ", envno, envsz);
997 top = (top - sizeof(char **)*envno) & ~0xF;
998 fwenv = (char **)top;
999 debug ("## fwenv at 0x%08lX ", top);
1001 top = (top - envsz) & ~0xF;
1006 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1007 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1010 for (j = i; j < nxt; ++j)
1011 *s++ = env_get_char(j);
1014 *ss++ = NULL; /* terminate */
1016 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1017 (*entry)(kbd, cmdline, fwenv, top);
1022 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1023 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1026 #ifndef CFG_HUSH_PARSER
1027 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1029 if (parse_string_outer(getenv("bootcmd"),
1030 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1036 boot, 1, 1, do_bootd,
1037 "boot - boot default, i.e., run 'bootcmd'\n",
1041 /* keep old command name "bootd" for backward compatibility */
1043 bootd, 1, 1, do_bootd,
1044 "bootd - boot default, i.e., run 'bootcmd'\n",
1050 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1051 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1058 return image_info (load_addr);
1061 for (arg=1; arg <argc; ++arg) {
1062 addr = simple_strtoul(argv[arg], NULL, 16);
1063 if (image_info (addr) != 0) rcode = 1;
1068 static int image_info (ulong addr)
1070 ulong data, len, checksum;
1071 image_header_t *hdr = &header;
1073 printf ("\n## Checking Image at %08lx ...\n", addr);
1075 /* Copy header so we can blank CRC field for re-calculation */
1076 memmove (&header, (char *)addr, sizeof(image_header_t));
1078 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1079 puts (" Bad Magic Number\n");
1083 data = (ulong)&header;
1084 len = sizeof(image_header_t);
1086 checksum = ntohl(hdr->ih_hcrc);
1089 if (crc32 (0, (uchar *)data, len) != checksum) {
1090 puts (" Bad Header Checksum\n");
1094 /* for multi-file images we need the data part, too */
1095 print_image_hdr ((image_header_t *)addr);
1097 data = addr + sizeof(image_header_t);
1098 len = ntohl(hdr->ih_size);
1100 puts (" Verifying Checksum ... ");
1101 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1102 puts (" Bad Data CRC\n");
1110 iminfo, CFG_MAXARGS, 1, do_iminfo,
1111 "iminfo - print header information for application image\n",
1113 " - print header information for application image starting at\n"
1114 " address 'addr' in memory; this includes verification of the\n"
1115 " image contents (magic number, header and payload checksums)\n"
1118 #endif /* CFG_CMD_IMI */
1120 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1121 /*-----------------------------------------------------------------------
1122 * List all images found in flash.
1124 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1128 image_header_t *hdr;
1129 ulong data, len, checksum;
1131 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1132 if (info->flash_id == FLASH_UNKNOWN)
1134 for (j=0; j<info->sector_count; ++j) {
1136 if (!(hdr=(image_header_t *)info->start[j]) ||
1137 (ntohl(hdr->ih_magic) != IH_MAGIC))
1140 /* Copy header so we can blank CRC field for re-calculation */
1141 memmove (&header, (char *)hdr, sizeof(image_header_t));
1143 checksum = ntohl(header.ih_hcrc);
1146 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1150 printf ("Image at %08lX:\n", (ulong)hdr);
1151 print_image_hdr( hdr );
1153 data = (ulong)hdr + sizeof(image_header_t);
1154 len = ntohl(hdr->ih_size);
1156 puts (" Verifying Checksum ... ");
1157 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1158 puts (" Bad Data CRC\n");
1170 imls, 1, 1, do_imls,
1171 "imls - list all images found in flash\n",
1173 " - Prints information about all images found at sector\n"
1174 " boundaries in flash.\n"
1176 #endif /* CFG_CMD_IMLS */
1179 print_image_hdr (image_header_t *hdr)
1181 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1182 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1186 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1187 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1188 to_tm (timestamp, &tm);
1189 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1190 tm.tm_year, tm.tm_mon, tm.tm_mday,
1191 tm.tm_hour, tm.tm_min, tm.tm_sec);
1192 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1193 puts (" Image Type: "); print_type(hdr);
1194 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1195 print_size (ntohl(hdr->ih_size), "\n");
1196 printf (" Load Address: %08x\n"
1197 " Entry Point: %08x\n",
1198 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1200 if (hdr->ih_type == IH_TYPE_MULTI) {
1203 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1205 puts (" Contents:\n");
1206 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1207 printf (" Image %d: %8ld Bytes = ", i, len);
1208 print_size (len, "\n");
1215 print_type (image_header_t *hdr)
1217 char *os, *arch, *type, *comp;
1219 switch (hdr->ih_os) {
1220 case IH_OS_INVALID: os = "Invalid OS"; break;
1221 case IH_OS_NETBSD: os = "NetBSD"; break;
1222 case IH_OS_LINUX: os = "Linux"; break;
1223 case IH_OS_VXWORKS: os = "VxWorks"; break;
1224 case IH_OS_QNX: os = "QNX"; break;
1225 case IH_OS_U_BOOT: os = "U-Boot"; break;
1226 case IH_OS_RTEMS: os = "RTEMS"; break;
1228 case IH_OS_ARTOS: os = "ARTOS"; break;
1230 #ifdef CONFIG_LYNXKDI
1231 case IH_OS_LYNXOS: os = "LynxOS"; break;
1233 default: os = "Unknown OS"; break;
1236 switch (hdr->ih_arch) {
1237 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1238 case IH_CPU_ALPHA: arch = "Alpha"; break;
1239 case IH_CPU_ARM: arch = "ARM"; break;
1240 case IH_CPU_I386: arch = "Intel x86"; break;
1241 case IH_CPU_IA64: arch = "IA64"; break;
1242 case IH_CPU_MIPS: arch = "MIPS"; break;
1243 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1244 case IH_CPU_PPC: arch = "PowerPC"; break;
1245 case IH_CPU_S390: arch = "IBM S390"; break;
1246 case IH_CPU_SH: arch = "SuperH"; break;
1247 case IH_CPU_SPARC: arch = "SPARC"; break;
1248 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1249 case IH_CPU_M68K: arch = "M68K"; break;
1250 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1251 case IH_CPU_NIOS: arch = "Nios"; break;
1252 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1253 default: arch = "Unknown Architecture"; break;
1256 switch (hdr->ih_type) {
1257 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1258 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1259 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1260 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1261 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1262 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1263 case IH_TYPE_SCRIPT: type = "Script"; break;
1264 default: type = "Unknown Image"; break;
1267 switch (hdr->ih_comp) {
1268 case IH_COMP_NONE: comp = "uncompressed"; break;
1269 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1270 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1271 default: comp = "unknown compression"; break;
1274 printf ("%s %s %s (%s)", arch, os, type, comp);
1277 #define ZALLOC_ALIGNMENT 16
1279 static void *zalloc(void *x, unsigned items, unsigned size)
1284 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1291 static void zfree(void *x, void *addr, unsigned nb)
1297 #define EXTRA_FIELD 4
1299 #define COMMENT 0x10
1300 #define RESERVED 0xe0
1304 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1312 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1313 puts ("Error: Bad gzipped data\n");
1316 if ((flags & EXTRA_FIELD) != 0)
1317 i = 12 + src[10] + (src[11] << 8);
1318 if ((flags & ORIG_NAME) != 0)
1319 while (src[i++] != 0)
1321 if ((flags & COMMENT) != 0)
1322 while (src[i++] != 0)
1324 if ((flags & HEAD_CRC) != 0)
1327 puts ("Error: gunzip out of data in header\n");
1333 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1334 s.outcb = (cb_func)WATCHDOG_RESET;
1337 #endif /* CONFIG_HW_WATCHDOG */
1339 r = inflateInit2(&s, -MAX_WBITS);
1341 printf ("Error: inflateInit2() returned %d\n", r);
1344 s.next_in = src + i;
1345 s.avail_in = *lenp - i;
1347 s.avail_out = dstlen;
1348 r = inflate(&s, Z_FINISH);
1349 if (r != Z_OK && r != Z_STREAM_END) {
1350 printf ("Error: inflate() returned %d\n", r);
1353 *lenp = s.next_out - (unsigned char *) dst;
1360 void bz_internal_error(int errcode)
1362 printf ("BZIP2 internal error %d\n", errcode);
1364 #endif /* CONFIG_BZIP2 */
1367 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1368 ulong addr, ulong *len_ptr, int verify)
1370 image_header_t *hdr = &header;
1371 void (*entry_point)(bd_t *);
1373 entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
1375 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1376 (ulong)entry_point);
1378 SHOW_BOOT_PROGRESS (15);
1382 * r3: ptr to board info data
1385 (*entry_point ) ( gd->bd );
1388 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1390 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1391 ulong addr, ulong *len_ptr, int verify)
1393 image_header_t *hdr = &header;
1396 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1397 setenv("loadaddr", str);
1398 do_bootvx(cmdtp, 0, 0, NULL);
1402 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1403 ulong addr, ulong *len_ptr, int verify)
1405 image_header_t *hdr = &header;
1406 char *local_args[2];
1409 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1410 local_args[0] = argv[0];
1411 local_args[1] = str; /* and provide it via the arguments */
1412 do_bootelf(cmdtp, 0, 2, local_args);
1414 #endif /* CFG_CMD_ELF */
1416 #ifdef CONFIG_LYNXKDI
1418 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1419 int argc, char *argv[],
1424 lynxkdi_boot( &header );
1427 #endif /* CONFIG_LYNXKDI */