2 * (C) Copyright 2000-2002
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>
38 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
40 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
44 #ifdef CFG_HUSH_PARSER
48 #ifdef CONFIG_SHOW_BOOT_PROGRESS
49 # include <status_led.h>
50 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
52 # define SHOW_BOOT_PROGRESS(arg)
55 #ifdef CFG_INIT_RAM_LOCK
56 #include <asm/cache.h>
59 #ifdef CONFIG_LOGBUFFER
63 #ifdef CONFIG_HAS_DATAFLASH
64 #include <dataflash.h>
68 * Some systems (for example LWMON) have very short watchdog periods;
69 * we must make sure to split long operations like memmove() or
70 * crc32() into reasonable chunks.
72 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
73 # define CHUNKSZ (64 * 1024)
76 int gunzip (void *, int, unsigned char *, int *);
78 static void *zalloc(void *, unsigned, unsigned);
79 static void zfree(void *, void *, unsigned);
81 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
82 static int image_info (unsigned long addr);
85 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
87 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
88 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
91 static void print_type (image_header_t *hdr);
94 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
98 * Continue booting an OS image; caller already has:
99 * - copied image header to global variable `header'
100 * - checked header magic number, checksums (both header & image),
101 * - verified image architecture (PPC) and type (KERNEL or MULTI),
102 * - loaded (first part of) image to header load address,
103 * - disabled interrupts.
105 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
106 int argc, char *argv[],
107 ulong addr, /* of image to boot */
108 ulong *len_ptr, /* multi-file image length table */
109 int verify); /* getenv("verify")[0] != 'n' */
112 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
116 static boot_os_Fcn do_bootm_linux;
118 extern boot_os_Fcn do_bootm_linux;
120 #ifdef CONFIG_SILENT_CONSOLE
121 static void fixup_silent_linux (void);
123 static boot_os_Fcn do_bootm_netbsd;
124 static boot_os_Fcn do_bootm_rtems;
125 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
126 static boot_os_Fcn do_bootm_vxworks;
127 static boot_os_Fcn do_bootm_qnxelf;
128 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
129 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
130 #endif /* CFG_CMD_ELF */
131 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
132 static boot_os_Fcn do_bootm_artos;
134 #ifdef CONFIG_LYNXKDI
135 static boot_os_Fcn do_bootm_lynxkdi;
136 extern void lynxkdi_boot( image_header_t * );
139 image_header_t header;
141 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
143 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
147 ulong data, len, checksum;
149 uint unc_len = 0x400000;
152 int (*appl)(int, char *[]);
153 image_header_t *hdr = &header;
155 s = getenv ("verify");
156 verify = (s && (*s == 'n')) ? 0 : 1;
161 addr = simple_strtoul(argv[1], NULL, 16);
164 SHOW_BOOT_PROGRESS (1);
165 printf ("## Booting image at %08lx ...\n", addr);
167 /* Copy header so we can blank CRC field for re-calculation */
168 #ifdef CONFIG_HAS_DATAFLASH
169 if (addr_dataflash(addr)){
170 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
173 memmove (&header, (char *)addr, sizeof(image_header_t));
175 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
176 #ifdef __I386__ /* correct image format not implemented yet - fake it */
177 if (fake_header(hdr, (void*)addr, -1) != NULL) {
178 /* to compensate for the addition below */
179 addr -= sizeof(image_header_t);
181 * fake_header() does not fake the data crc
185 #endif /* __I386__ */
187 puts ("Bad Magic Number\n");
188 SHOW_BOOT_PROGRESS (-1);
192 SHOW_BOOT_PROGRESS (2);
194 data = (ulong)&header;
195 len = sizeof(image_header_t);
197 checksum = ntohl(hdr->ih_hcrc);
200 if (crc32 (0, (char *)data, len) != checksum) {
201 puts ("Bad Header Checksum\n");
202 SHOW_BOOT_PROGRESS (-2);
205 SHOW_BOOT_PROGRESS (3);
207 /* for multi-file images we need the data part, too */
208 print_image_hdr ((image_header_t *)addr);
210 data = addr + sizeof(image_header_t);
211 len = ntohl(hdr->ih_size);
213 #ifdef CONFIG_HAS_DATAFLASH
214 if (addr_dataflash(addr)){
215 read_dataflash(data, len, (char *)CFG_LOAD_ADDR);
216 data = CFG_LOAD_ADDR;
221 puts (" Verifying Checksum ... ");
222 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
223 printf ("Bad Data CRC\n");
224 SHOW_BOOT_PROGRESS (-3);
229 SHOW_BOOT_PROGRESS (4);
231 len_ptr = (ulong *)data;
234 if (hdr->ih_arch != IH_CPU_PPC)
235 #elif defined(__ARM__)
236 if (hdr->ih_arch != IH_CPU_ARM)
237 #elif defined(__I386__)
238 if (hdr->ih_arch != IH_CPU_I386)
239 #elif defined(__mips__)
240 if (hdr->ih_arch != IH_CPU_MIPS)
241 #elif defined(__nios__)
242 if (hdr->ih_arch != IH_CPU_NIOS)
243 #elif defined(__M68K__)
244 if (hdr->ih_arch != IH_CPU_M68K)
246 # error Unknown CPU type
249 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
250 SHOW_BOOT_PROGRESS (-4);
253 SHOW_BOOT_PROGRESS (5);
255 switch (hdr->ih_type) {
256 case IH_TYPE_STANDALONE:
257 name = "Standalone Application";
258 /* A second argument overwrites the load address */
260 hdr->ih_load = simple_strtoul(argv[2], NULL, 16);
264 name = "Kernel Image";
267 name = "Multi-File Image";
268 len = ntohl(len_ptr[0]);
269 /* OS kernel is always the first image */
270 data += 8; /* kernel_len + terminator */
271 for (i=1; len_ptr[i]; ++i)
274 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
275 SHOW_BOOT_PROGRESS (-5);
278 SHOW_BOOT_PROGRESS (6);
281 * We have reached the point of no return: we are going to
282 * overwrite all exception vector code, so we cannot easily
283 * recover from any failures any more...
286 iflag = disable_interrupts();
288 #ifdef CONFIG_AMIGAONEG3SE
290 * We've possible left the caches enabled during
291 * bios emulation, so turn them off again
294 invalidate_l1_instruction_cache();
299 switch (hdr->ih_comp) {
301 if(ntohl(hdr->ih_load) == addr) {
302 printf (" XIP %s ... ", name);
304 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
306 void *to = (void *)ntohl(hdr->ih_load);
307 void *from = (void *)data;
309 printf (" Loading %s ... ", name);
312 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
314 memmove (to, from, tail);
319 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
320 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
321 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
325 printf (" Uncompressing %s ... ", name);
326 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
327 (uchar *)data, (int *)&len) != 0) {
328 puts ("GUNZIP ERROR - must RESET board to recover\n");
329 SHOW_BOOT_PROGRESS (-6);
330 do_reset (cmdtp, flag, argc, argv);
335 printf (" Uncompressing %s ... ", name);
337 * If we've got less than 4 MB of malloc() space,
338 * use slower decompression algorithm which requires
339 * at most 2300 KB of memory.
341 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
342 &unc_len, (char *)data, len,
343 CFG_MALLOC_LEN < (4096 * 1024), 0);
345 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
346 SHOW_BOOT_PROGRESS (-6);
348 do_reset (cmdtp, flag, argc, argv);
351 #endif /* CONFIG_BZIP2 */
355 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
356 SHOW_BOOT_PROGRESS (-7);
360 SHOW_BOOT_PROGRESS (7);
362 switch (hdr->ih_type) {
363 case IH_TYPE_STANDALONE:
367 /* load (and uncompress), but don't start if "autostart"
370 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
372 sprintf(buf, "%lX", len);
373 setenv("filesize", buf);
376 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
377 (*appl)(argc-1, &argv[1]);
386 printf ("Can't boot image type %d\n", hdr->ih_type);
387 SHOW_BOOT_PROGRESS (-8);
390 SHOW_BOOT_PROGRESS (8);
392 switch (hdr->ih_os) {
393 default: /* handled by (original) Linux case */
395 #ifdef CONFIG_SILENT_CONSOLE
396 fixup_silent_linux();
398 do_bootm_linux (cmdtp, flag, argc, argv,
399 addr, len_ptr, verify);
402 do_bootm_netbsd (cmdtp, flag, argc, argv,
403 addr, len_ptr, verify);
406 #ifdef CONFIG_LYNXKDI
408 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
409 addr, len_ptr, verify);
414 do_bootm_rtems (cmdtp, flag, argc, argv,
415 addr, len_ptr, verify);
418 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
420 do_bootm_vxworks (cmdtp, flag, argc, argv,
421 addr, len_ptr, verify);
424 do_bootm_qnxelf (cmdtp, flag, argc, argv,
425 addr, len_ptr, verify);
427 #endif /* CFG_CMD_ELF */
430 do_bootm_artos (cmdtp, flag, argc, argv,
431 addr, len_ptr, verify);
436 SHOW_BOOT_PROGRESS (-9);
438 puts ("\n## Control returned to monitor - resetting...\n");
439 do_reset (cmdtp, flag, argc, argv);
445 bootm, CFG_MAXARGS, 1, do_bootm,
446 "bootm - boot application image from memory\n",
447 "[addr [arg ...]]\n - boot application image stored in memory\n"
448 " passing arguments 'arg ...'; when booting a Linux kernel,\n"
449 " 'arg' can be the address of an initrd image\n"
452 #ifdef CONFIG_SILENT_CONSOLE
454 fixup_silent_linux ()
456 DECLARE_GLOBAL_DATA_PTR;
457 char buf[256], *start, *end;
458 char *cmdline = getenv ("bootargs");
460 /* Only fix cmdline when requested */
461 if (!(gd->flags & GD_FLG_SILENT))
464 debug ("before silent fix-up: %s\n", cmdline);
466 if ((start = strstr (cmdline, "console=")) != NULL) {
467 end = strchr (start, ' ');
468 strncpy (buf, cmdline, (start - cmdline + 8));
470 strcpy (buf + (start - cmdline + 8), end);
472 buf[start - cmdline + 8] = '\0';
474 strcpy (buf, cmdline);
475 strcat (buf, " console=");
478 strcpy (buf, "console=");
481 setenv ("bootargs", buf);
482 debug ("after silent fix-up: %s\n", buf);
484 #endif /* CONFIG_SILENT_CONSOLE */
488 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
489 int argc, char *argv[],
494 DECLARE_GLOBAL_DATA_PTR;
498 ulong initrd_start, initrd_end;
499 ulong cmd_start, cmd_end;
502 int initrd_copy_to_ram = 1;
506 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
507 image_header_t *hdr = &header;
509 if ((s = getenv ("initrd_high")) != NULL) {
510 /* a value of "no" or a similar string will act like 0,
511 * turning the "load high" feature off. This is intentional.
513 initrd_high = simple_strtoul(s, NULL, 16);
514 if (initrd_high == ~0)
515 initrd_copy_to_ram = 0;
516 } else { /* not set, no restrictions to load high */
520 #ifdef CONFIG_LOGBUFFER
522 /* Prevent initrd from overwriting logbuffer */
523 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
524 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
525 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
529 * Booting a (Linux) kernel image
531 * Allocate space for command line and board info - the
532 * address should be as high as possible within the reach of
533 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
534 * memory, which means far enough below the current stack
538 asm( "mr %0,1": "=r"(sp) : );
540 debug ("## Current stack ends at 0x%08lX ", sp);
542 sp -= 2048; /* just to be sure */
543 if (sp > CFG_BOOTMAPSZ)
547 debug ("=> set upper limit to 0x%08lX\n", sp);
549 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
550 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
552 if ((s = getenv("bootargs")) == NULL)
557 cmd_start = (ulong)&cmdline[0];
558 cmd_end = cmd_start + strlen(cmdline);
563 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
565 do_bdinfo (NULL, 0, 0, NULL);
568 if ((s = getenv ("clocks_in_mhz")) != NULL) {
569 /* convert all clock information to MHz */
570 kbd->bi_intfreq /= 1000000L;
571 kbd->bi_busfreq /= 1000000L;
572 #if defined(CONFIG_8260) || defined(CONFIG_MPC8560)
573 kbd->bi_cpmfreq /= 1000000L;
574 kbd->bi_brgfreq /= 1000000L;
575 kbd->bi_sccfreq /= 1000000L;
576 kbd->bi_vco /= 1000000L;
577 #endif /* CONFIG_8260 */
578 #if defined(CONFIG_MPC5xxx)
579 kbd->bi_ipbfreq /= 1000000L;
580 kbd->bi_pcifreq /= 1000000L;
581 #endif /* CONFIG_MPC5xxx */
584 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep;
587 * Check if there is an initrd image
590 SHOW_BOOT_PROGRESS (9);
592 addr = simple_strtoul(argv[2], NULL, 16);
594 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
596 /* Copy header so we can blank CRC field for re-calculation */
597 memmove (&header, (char *)addr, sizeof(image_header_t));
599 if (hdr->ih_magic != IH_MAGIC) {
600 puts ("Bad Magic Number\n");
601 SHOW_BOOT_PROGRESS (-10);
602 do_reset (cmdtp, flag, argc, argv);
605 data = (ulong)&header;
606 len = sizeof(image_header_t);
608 checksum = hdr->ih_hcrc;
611 if (crc32 (0, (char *)data, len) != checksum) {
612 puts ("Bad Header Checksum\n");
613 SHOW_BOOT_PROGRESS (-11);
614 do_reset (cmdtp, flag, argc, argv);
617 SHOW_BOOT_PROGRESS (10);
619 print_image_hdr (hdr);
621 data = addr + sizeof(image_header_t);
626 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
627 ulong cdata = data, edata = cdata + len;
628 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
630 puts (" Verifying Checksum ... ");
632 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
634 while (cdata < edata) {
635 ulong chunk = edata - cdata;
639 csum = crc32 (csum, (char *)cdata, chunk);
644 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
645 csum = crc32 (0, (char *)data, len);
646 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
648 if (csum != hdr->ih_dcrc) {
649 puts ("Bad Data CRC\n");
650 SHOW_BOOT_PROGRESS (-12);
651 do_reset (cmdtp, flag, argc, argv);
656 SHOW_BOOT_PROGRESS (11);
658 if ((hdr->ih_os != IH_OS_LINUX) ||
659 (hdr->ih_arch != IH_CPU_PPC) ||
660 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
661 puts ("No Linux PPC Ramdisk Image\n");
662 SHOW_BOOT_PROGRESS (-13);
663 do_reset (cmdtp, flag, argc, argv);
667 * Now check if we have a multifile image
669 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
670 u_long tail = ntohl(len_ptr[0]) % 4;
673 SHOW_BOOT_PROGRESS (13);
675 /* skip kernel length and terminator */
676 data = (ulong)(&len_ptr[2]);
677 /* skip any additional image length fields */
678 for (i=1; len_ptr[i]; ++i)
680 /* add kernel length, and align */
681 data += ntohl(len_ptr[0]);
686 len = ntohl(len_ptr[1]);
692 SHOW_BOOT_PROGRESS (14);
698 debug ("No initrd\n");
702 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
704 initrd_end = initrd_start + len;
706 initrd_start = (ulong)kbd - len;
707 initrd_start &= ~(4096 - 1); /* align on page */
713 * the inital ramdisk does not need to be within
714 * CFG_BOOTMAPSZ as it is not accessed until after
715 * the mm system is initialised.
717 * do the stack bottom calculation again and see if
718 * the initrd will fit just below the monitor stack
719 * bottom without overwriting the area allocated
720 * above for command line args and board info.
722 asm( "mr %0,1": "=r"(nsp) : );
723 nsp -= 2048; /* just to be sure */
725 if (nsp > initrd_high) /* limit as specified */
728 nsp &= ~(4096 - 1); /* align on page */
733 SHOW_BOOT_PROGRESS (12);
735 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
736 data, data + len - 1, len, len);
738 initrd_end = initrd_start + len;
739 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
740 initrd_start, initrd_end);
741 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
744 void *to = (void *)initrd_start;
745 void *from = (void *)data;
748 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
750 memmove (to, from, tail);
756 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
757 memmove ((void *)initrd_start, (void *)data, len);
758 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
767 debug ("## Transferring control to Linux (at address %08lx) ...\n",
770 SHOW_BOOT_PROGRESS (15);
772 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
773 unlock_ram_in_cache();
776 * Linux Kernel Parameters:
777 * r3: ptr to board info data
778 * r4: initrd_start or 0 if no initrd
779 * r5: initrd_end - unused if r4 is 0
780 * r6: Start of command line string
781 * r7: End of command line string
783 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
785 #endif /* CONFIG_PPC */
788 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
789 int argc, char *argv[],
794 DECLARE_GLOBAL_DATA_PTR;
796 image_header_t *hdr = &header;
798 void (*loader)(bd_t *, image_header_t *, char *, char *);
799 image_header_t *img_addr;
805 * Booting a (NetBSD) kernel image
807 * This process is pretty similar to a standalone application:
808 * The (first part of an multi-) image must be a stage-2 loader,
809 * which in turn is responsible for loading & invoking the actual
810 * kernel. The only differences are the parameters being passed:
811 * besides the board info strucure, the loader expects a command
812 * line, the name of the console device, and (optionally) the
813 * address of the original image header.
817 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
818 img_addr = (image_header_t *) addr;
822 #if defined (CONFIG_8xx_CONS_SMC1)
824 #elif defined (CONFIG_8xx_CONS_SMC2)
826 #elif defined (CONFIG_8xx_CONS_SCC2)
828 #elif defined (CONFIG_8xx_CONS_SCC3)
836 for (i=2, len=0 ; i<argc ; i+=1)
837 len += strlen (argv[i]) + 1;
838 cmdline = malloc (len);
840 for (i=2, len=0 ; i<argc ; i+=1) {
842 cmdline[len++] = ' ';
843 strcpy (&cmdline[len], argv[i]);
844 len += strlen (argv[i]);
846 } else if ((cmdline = getenv("bootargs")) == NULL) {
850 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep;
852 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
855 SHOW_BOOT_PROGRESS (15);
858 * NetBSD Stage-2 Loader Parameters:
859 * r3: ptr to board info data
862 * r6: boot args string
864 (*loader) (gd->bd, img_addr, consdev, cmdline);
867 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
869 /* Function that returns a character from the environment */
870 extern uchar (*env_get_char)(int);
873 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
874 int argc, char *argv[],
879 DECLARE_GLOBAL_DATA_PTR;
883 int i, j, nxt, len, envno, envsz;
885 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
886 image_header_t *hdr = &header;
889 * Booting an ARTOS kernel image + application
892 /* this used to be the top of memory, but was wrong... */
894 /* get stack pointer */
895 asm volatile ("mr %0,1" : "=r"(top) );
897 debug ("## Current stack ends at 0x%08lX ", top);
899 top -= 2048; /* just to be sure */
900 if (top > CFG_BOOTMAPSZ)
904 debug ("=> set upper limit to 0x%08lX\n", top);
906 /* first check the artos specific boot args, then the linux args*/
907 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
910 /* get length of cmdline, and place it */
912 top = (top - (len + 1)) & ~0xF;
913 cmdline = (char *)top;
914 debug ("## cmdline at 0x%08lX ", top);
918 top = (top - sizeof(bd_t)) & ~0xF;
919 debug ("## bd at 0x%08lX ", top);
921 memcpy(kbd, gd->bd, sizeof(bd_t));
923 /* first find number of env entries, and their size */
926 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
927 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
930 envsz += (nxt - i) + 1; /* plus trailing zero */
932 envno++; /* plus the terminating zero */
933 debug ("## %u envvars total size %u ", envno, envsz);
935 top = (top - sizeof(char **)*envno) & ~0xF;
936 fwenv = (char **)top;
937 debug ("## fwenv at 0x%08lX ", top);
939 top = (top - envsz) & ~0xF;
944 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
945 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
948 for (j = i; j < nxt; ++j)
949 *s++ = env_get_char(j);
952 *ss++ = NULL; /* terminate */
954 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
955 (*entry)(kbd, cmdline, fwenv, top);
960 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
961 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
964 #ifndef CFG_HUSH_PARSER
965 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
967 if (parse_string_outer(getenv("bootcmd"),
968 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
974 boot, 1, 1, do_bootd,
975 "boot - boot default, i.e., run 'bootcmd'\n",
979 /* keep old command name "bootd" for backward compatibility */
981 bootd, 1, 1, do_bootd,
982 "bootd - boot default, i.e., run 'bootcmd'\n",
988 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
989 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
996 return image_info (load_addr);
999 for (arg=1; arg <argc; ++arg) {
1000 addr = simple_strtoul(argv[arg], NULL, 16);
1001 if (image_info (addr) != 0) rcode = 1;
1006 static int image_info (ulong addr)
1008 ulong data, len, checksum;
1009 image_header_t *hdr = &header;
1011 printf ("\n## Checking Image at %08lx ...\n", addr);
1013 /* Copy header so we can blank CRC field for re-calculation */
1014 memmove (&header, (char *)addr, sizeof(image_header_t));
1016 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1017 puts (" Bad Magic Number\n");
1021 data = (ulong)&header;
1022 len = sizeof(image_header_t);
1024 checksum = ntohl(hdr->ih_hcrc);
1027 if (crc32 (0, (char *)data, len) != checksum) {
1028 puts (" Bad Header Checksum\n");
1032 /* for multi-file images we need the data part, too */
1033 print_image_hdr ((image_header_t *)addr);
1035 data = addr + sizeof(image_header_t);
1036 len = ntohl(hdr->ih_size);
1038 puts (" Verifying Checksum ... ");
1039 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
1040 puts (" Bad Data CRC\n");
1048 iminfo, CFG_MAXARGS, 1, do_iminfo,
1049 "iminfo - print header information for application image\n",
1051 " - print header information for application image starting at\n"
1052 " address 'addr' in memory; this includes verification of the\n"
1053 " image contents (magic number, header and payload checksums)\n"
1056 #endif /* CFG_CMD_IMI */
1058 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1059 /*-----------------------------------------------------------------------
1060 * List all images found in flash.
1062 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1066 image_header_t *hdr;
1067 ulong data, len, checksum;
1069 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1070 if (info->flash_id == FLASH_UNKNOWN)
1072 for (j=0; j<CFG_MAX_FLASH_SECT; ++j) {
1074 if (!(hdr=(image_header_t *)info->start[j]) ||
1075 (ntohl(hdr->ih_magic) != IH_MAGIC))
1078 /* Copy header so we can blank CRC field for re-calculation */
1079 memmove (&header, (char *)hdr, sizeof(image_header_t));
1081 checksum = ntohl(header.ih_hcrc);
1084 if (crc32 (0, (char *)&header, sizeof(image_header_t))
1088 printf ("Image at %08lX:\n", (ulong)hdr);
1089 print_image_hdr( hdr );
1091 data = (ulong)hdr + sizeof(image_header_t);
1092 len = ntohl(hdr->ih_size);
1094 puts (" Verifying Checksum ... ");
1095 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
1096 puts (" Bad Data CRC\n");
1108 imls, 1, 1, do_imls,
1109 "imls - list all images found in flash\n",
1111 " - Prints information about all images found at sector\n"
1112 " boundaries in flash.\n"
1114 #endif /* CFG_CMD_IMLS */
1117 print_image_hdr (image_header_t *hdr)
1119 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1120 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1124 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1125 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1126 to_tm (timestamp, &tm);
1127 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1128 tm.tm_year, tm.tm_mon, tm.tm_mday,
1129 tm.tm_hour, tm.tm_min, tm.tm_sec);
1130 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1131 puts (" Image Type: "); print_type(hdr);
1132 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1133 print_size (ntohl(hdr->ih_size), "\n");
1134 printf (" Load Address: %08x\n"
1135 " Entry Point: %08x\n",
1136 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1138 if (hdr->ih_type == IH_TYPE_MULTI) {
1141 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1143 puts (" Contents:\n");
1144 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1145 printf (" Image %d: %8ld Bytes = ", i, len);
1146 print_size (len, "\n");
1153 print_type (image_header_t *hdr)
1155 char *os, *arch, *type, *comp;
1157 switch (hdr->ih_os) {
1158 case IH_OS_INVALID: os = "Invalid OS"; break;
1159 case IH_OS_NETBSD: os = "NetBSD"; break;
1160 case IH_OS_LINUX: os = "Linux"; break;
1161 case IH_OS_VXWORKS: os = "VxWorks"; break;
1162 case IH_OS_QNX: os = "QNX"; break;
1163 case IH_OS_U_BOOT: os = "U-Boot"; break;
1164 case IH_OS_RTEMS: os = "RTEMS"; break;
1166 case IH_OS_ARTOS: os = "ARTOS"; break;
1168 #ifdef CONFIG_LYNXKDI
1169 case IH_OS_LYNXOS: os = "LynxOS"; break;
1171 default: os = "Unknown OS"; break;
1174 switch (hdr->ih_arch) {
1175 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1176 case IH_CPU_ALPHA: arch = "Alpha"; break;
1177 case IH_CPU_ARM: arch = "ARM"; break;
1178 case IH_CPU_I386: arch = "Intel x86"; break;
1179 case IH_CPU_IA64: arch = "IA64"; break;
1180 case IH_CPU_MIPS: arch = "MIPS"; break;
1181 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1182 case IH_CPU_PPC: arch = "PowerPC"; break;
1183 case IH_CPU_S390: arch = "IBM S390"; break;
1184 case IH_CPU_SH: arch = "SuperH"; break;
1185 case IH_CPU_SPARC: arch = "SPARC"; break;
1186 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1187 case IH_CPU_M68K: arch = "M68K"; break;
1188 default: arch = "Unknown Architecture"; break;
1191 switch (hdr->ih_type) {
1192 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1193 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1194 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1195 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1196 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1197 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1198 case IH_TYPE_SCRIPT: type = "Script"; break;
1199 default: type = "Unknown Image"; break;
1202 switch (hdr->ih_comp) {
1203 case IH_COMP_NONE: comp = "uncompressed"; break;
1204 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1205 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1206 default: comp = "unknown compression"; break;
1209 printf ("%s %s %s (%s)", arch, os, type, comp);
1212 #define ZALLOC_ALIGNMENT 16
1214 static void *zalloc(void *x, unsigned items, unsigned size)
1219 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1226 static void zfree(void *x, void *addr, unsigned nb)
1232 #define EXTRA_FIELD 4
1234 #define COMMENT 0x10
1235 #define RESERVED 0xe0
1239 int gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
1247 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1248 puts ("Error: Bad gzipped data\n");
1251 if ((flags & EXTRA_FIELD) != 0)
1252 i = 12 + src[10] + (src[11] << 8);
1253 if ((flags & ORIG_NAME) != 0)
1254 while (src[i++] != 0)
1256 if ((flags & COMMENT) != 0)
1257 while (src[i++] != 0)
1259 if ((flags & HEAD_CRC) != 0)
1262 puts ("Error: gunzip out of data in header\n");
1268 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1269 s.outcb = (cb_func)WATCHDOG_RESET;
1272 #endif /* CONFIG_HW_WATCHDOG */
1274 r = inflateInit2(&s, -MAX_WBITS);
1276 printf ("Error: inflateInit2() returned %d\n", r);
1279 s.next_in = src + i;
1280 s.avail_in = *lenp - i;
1282 s.avail_out = dstlen;
1283 r = inflate(&s, Z_FINISH);
1284 if (r != Z_OK && r != Z_STREAM_END) {
1285 printf ("Error: inflate() returned %d\n", r);
1288 *lenp = s.next_out - (unsigned char *) dst;
1295 void bz_internal_error(int errcode)
1297 printf ("BZIP2 internal error %d\n", errcode);
1299 #endif /* CONFIG_BZIP2 */
1302 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1303 ulong addr, ulong *len_ptr, int verify)
1305 DECLARE_GLOBAL_DATA_PTR;
1306 image_header_t *hdr = &header;
1307 void (*entry_point)(bd_t *);
1309 entry_point = (void (*)(bd_t *)) hdr->ih_ep;
1311 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1312 (ulong)entry_point);
1314 SHOW_BOOT_PROGRESS (15);
1318 * r3: ptr to board info data
1321 (*entry_point ) ( gd->bd );
1324 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1326 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1327 ulong addr, ulong *len_ptr, int verify)
1329 image_header_t *hdr = &header;
1332 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1333 setenv("loadaddr", str);
1334 do_bootvx(cmdtp, 0, 0, NULL);
1338 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1339 ulong addr, ulong *len_ptr, int verify)
1341 image_header_t *hdr = &header;
1342 char *local_args[2];
1345 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1346 local_args[0] = argv[0];
1347 local_args[1] = str; /* and provide it via the arguments */
1348 do_bootelf(cmdtp, 0, 2, local_args);
1350 #endif /* CFG_CMD_ELF */
1352 #ifdef CONFIG_LYNXKDI
1354 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1355 int argc, char *argv[],
1360 lynxkdi_boot( &header );
1363 #endif /* CONFIG_LYNXKDI */