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 *, unsigned long *);
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)
245 #elif defined(__microblaze__)
246 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
247 #elif defined(__nios2__)
248 if (hdr->ih_arch != IH_CPU_NIOS2)
250 # error Unknown CPU type
253 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
254 SHOW_BOOT_PROGRESS (-4);
257 SHOW_BOOT_PROGRESS (5);
259 switch (hdr->ih_type) {
260 case IH_TYPE_STANDALONE:
261 name = "Standalone Application";
262 /* A second argument overwrites the load address */
264 hdr->ih_load = simple_strtoul(argv[2], NULL, 16);
268 name = "Kernel Image";
271 name = "Multi-File Image";
272 len = ntohl(len_ptr[0]);
273 /* OS kernel is always the first image */
274 data += 8; /* kernel_len + terminator */
275 for (i=1; len_ptr[i]; ++i)
278 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
279 SHOW_BOOT_PROGRESS (-5);
282 SHOW_BOOT_PROGRESS (6);
285 * We have reached the point of no return: we are going to
286 * overwrite all exception vector code, so we cannot easily
287 * recover from any failures any more...
290 iflag = disable_interrupts();
292 #ifdef CONFIG_AMIGAONEG3SE
294 * We've possible left the caches enabled during
295 * bios emulation, so turn them off again
298 invalidate_l1_instruction_cache();
303 switch (hdr->ih_comp) {
305 if(ntohl(hdr->ih_load) == addr) {
306 printf (" XIP %s ... ", name);
308 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
310 void *to = (void *)ntohl(hdr->ih_load);
311 void *from = (void *)data;
313 printf (" Loading %s ... ", name);
316 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
318 memmove (to, from, tail);
323 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
324 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
325 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
329 printf (" Uncompressing %s ... ", name);
330 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
331 (uchar *)data, &len) != 0) {
332 puts ("GUNZIP ERROR - must RESET board to recover\n");
333 SHOW_BOOT_PROGRESS (-6);
334 do_reset (cmdtp, flag, argc, argv);
339 printf (" Uncompressing %s ... ", name);
341 * If we've got less than 4 MB of malloc() space,
342 * use slower decompression algorithm which requires
343 * at most 2300 KB of memory.
345 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
346 &unc_len, (char *)data, len,
347 CFG_MALLOC_LEN < (4096 * 1024), 0);
349 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
350 SHOW_BOOT_PROGRESS (-6);
352 do_reset (cmdtp, flag, argc, argv);
355 #endif /* CONFIG_BZIP2 */
359 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
360 SHOW_BOOT_PROGRESS (-7);
364 SHOW_BOOT_PROGRESS (7);
366 switch (hdr->ih_type) {
367 case IH_TYPE_STANDALONE:
371 /* load (and uncompress), but don't start if "autostart"
374 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
376 sprintf(buf, "%lX", len);
377 setenv("filesize", buf);
380 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
381 (*appl)(argc-1, &argv[1]);
390 printf ("Can't boot image type %d\n", hdr->ih_type);
391 SHOW_BOOT_PROGRESS (-8);
394 SHOW_BOOT_PROGRESS (8);
396 switch (hdr->ih_os) {
397 default: /* handled by (original) Linux case */
399 #ifdef CONFIG_SILENT_CONSOLE
400 fixup_silent_linux();
402 do_bootm_linux (cmdtp, flag, argc, argv,
403 addr, len_ptr, verify);
406 do_bootm_netbsd (cmdtp, flag, argc, argv,
407 addr, len_ptr, verify);
410 #ifdef CONFIG_LYNXKDI
412 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
413 addr, len_ptr, verify);
418 do_bootm_rtems (cmdtp, flag, argc, argv,
419 addr, len_ptr, verify);
422 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
424 do_bootm_vxworks (cmdtp, flag, argc, argv,
425 addr, len_ptr, verify);
428 do_bootm_qnxelf (cmdtp, flag, argc, argv,
429 addr, len_ptr, verify);
431 #endif /* CFG_CMD_ELF */
434 do_bootm_artos (cmdtp, flag, argc, argv,
435 addr, len_ptr, verify);
440 SHOW_BOOT_PROGRESS (-9);
442 puts ("\n## Control returned to monitor - resetting...\n");
443 do_reset (cmdtp, flag, argc, argv);
449 bootm, CFG_MAXARGS, 1, do_bootm,
450 "bootm - boot application image from memory\n",
451 "[addr [arg ...]]\n - boot application image stored in memory\n"
452 " passing arguments 'arg ...'; when booting a Linux kernel,\n"
453 " 'arg' can be the address of an initrd image\n"
456 #ifdef CONFIG_SILENT_CONSOLE
458 fixup_silent_linux ()
460 DECLARE_GLOBAL_DATA_PTR;
461 char buf[256], *start, *end;
462 char *cmdline = getenv ("bootargs");
464 /* Only fix cmdline when requested */
465 if (!(gd->flags & GD_FLG_SILENT))
468 debug ("before silent fix-up: %s\n", cmdline);
470 if ((start = strstr (cmdline, "console=")) != NULL) {
471 end = strchr (start, ' ');
472 strncpy (buf, cmdline, (start - cmdline + 8));
474 strcpy (buf + (start - cmdline + 8), end);
476 buf[start - cmdline + 8] = '\0';
478 strcpy (buf, cmdline);
479 strcat (buf, " console=");
482 strcpy (buf, "console=");
485 setenv ("bootargs", buf);
486 debug ("after silent fix-up: %s\n", buf);
488 #endif /* CONFIG_SILENT_CONSOLE */
492 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
493 int argc, char *argv[],
498 DECLARE_GLOBAL_DATA_PTR;
502 ulong initrd_start, initrd_end;
503 ulong cmd_start, cmd_end;
506 int initrd_copy_to_ram = 1;
510 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
511 image_header_t *hdr = &header;
513 if ((s = getenv ("initrd_high")) != NULL) {
514 /* a value of "no" or a similar string will act like 0,
515 * turning the "load high" feature off. This is intentional.
517 initrd_high = simple_strtoul(s, NULL, 16);
518 if (initrd_high == ~0)
519 initrd_copy_to_ram = 0;
520 } else { /* not set, no restrictions to load high */
524 #ifdef CONFIG_LOGBUFFER
526 /* Prevent initrd from overwriting logbuffer */
527 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
528 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
529 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
533 * Booting a (Linux) kernel image
535 * Allocate space for command line and board info - the
536 * address should be as high as possible within the reach of
537 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
538 * memory, which means far enough below the current stack
542 asm( "mr %0,1": "=r"(sp) : );
544 debug ("## Current stack ends at 0x%08lX ", sp);
546 sp -= 2048; /* just to be sure */
547 if (sp > CFG_BOOTMAPSZ)
551 debug ("=> set upper limit to 0x%08lX\n", sp);
553 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
554 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
556 if ((s = getenv("bootargs")) == NULL)
561 cmd_start = (ulong)&cmdline[0];
562 cmd_end = cmd_start + strlen(cmdline);
567 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
569 do_bdinfo (NULL, 0, 0, NULL);
572 if ((s = getenv ("clocks_in_mhz")) != NULL) {
573 /* convert all clock information to MHz */
574 kbd->bi_intfreq /= 1000000L;
575 kbd->bi_busfreq /= 1000000L;
576 #if defined(CONFIG_8260) || defined(CONFIG_MPC8560)
577 kbd->bi_cpmfreq /= 1000000L;
578 kbd->bi_brgfreq /= 1000000L;
579 kbd->bi_sccfreq /= 1000000L;
580 kbd->bi_vco /= 1000000L;
581 #endif /* CONFIG_8260 */
582 #if defined(CONFIG_MPC5xxx)
583 kbd->bi_ipbfreq /= 1000000L;
584 kbd->bi_pcifreq /= 1000000L;
585 #endif /* CONFIG_MPC5xxx */
588 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep;
591 * Check if there is an initrd image
594 SHOW_BOOT_PROGRESS (9);
596 addr = simple_strtoul(argv[2], NULL, 16);
598 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
600 /* Copy header so we can blank CRC field for re-calculation */
601 memmove (&header, (char *)addr, sizeof(image_header_t));
603 if (hdr->ih_magic != IH_MAGIC) {
604 puts ("Bad Magic Number\n");
605 SHOW_BOOT_PROGRESS (-10);
606 do_reset (cmdtp, flag, argc, argv);
609 data = (ulong)&header;
610 len = sizeof(image_header_t);
612 checksum = hdr->ih_hcrc;
615 if (crc32 (0, (char *)data, len) != checksum) {
616 puts ("Bad Header Checksum\n");
617 SHOW_BOOT_PROGRESS (-11);
618 do_reset (cmdtp, flag, argc, argv);
621 SHOW_BOOT_PROGRESS (10);
623 print_image_hdr (hdr);
625 data = addr + sizeof(image_header_t);
630 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
631 ulong cdata = data, edata = cdata + len;
632 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
634 puts (" Verifying Checksum ... ");
636 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
638 while (cdata < edata) {
639 ulong chunk = edata - cdata;
643 csum = crc32 (csum, (char *)cdata, chunk);
648 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
649 csum = crc32 (0, (char *)data, len);
650 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
652 if (csum != hdr->ih_dcrc) {
653 puts ("Bad Data CRC\n");
654 SHOW_BOOT_PROGRESS (-12);
655 do_reset (cmdtp, flag, argc, argv);
660 SHOW_BOOT_PROGRESS (11);
662 if ((hdr->ih_os != IH_OS_LINUX) ||
663 (hdr->ih_arch != IH_CPU_PPC) ||
664 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
665 puts ("No Linux PPC Ramdisk Image\n");
666 SHOW_BOOT_PROGRESS (-13);
667 do_reset (cmdtp, flag, argc, argv);
671 * Now check if we have a multifile image
673 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
674 u_long tail = ntohl(len_ptr[0]) % 4;
677 SHOW_BOOT_PROGRESS (13);
679 /* skip kernel length and terminator */
680 data = (ulong)(&len_ptr[2]);
681 /* skip any additional image length fields */
682 for (i=1; len_ptr[i]; ++i)
684 /* add kernel length, and align */
685 data += ntohl(len_ptr[0]);
690 len = ntohl(len_ptr[1]);
696 SHOW_BOOT_PROGRESS (14);
702 debug ("No initrd\n");
706 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
708 initrd_end = initrd_start + len;
710 initrd_start = (ulong)kbd - len;
711 initrd_start &= ~(4096 - 1); /* align on page */
717 * the inital ramdisk does not need to be within
718 * CFG_BOOTMAPSZ as it is not accessed until after
719 * the mm system is initialised.
721 * do the stack bottom calculation again and see if
722 * the initrd will fit just below the monitor stack
723 * bottom without overwriting the area allocated
724 * above for command line args and board info.
726 asm( "mr %0,1": "=r"(nsp) : );
727 nsp -= 2048; /* just to be sure */
729 if (nsp > initrd_high) /* limit as specified */
732 nsp &= ~(4096 - 1); /* align on page */
737 SHOW_BOOT_PROGRESS (12);
739 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
740 data, data + len - 1, len, len);
742 initrd_end = initrd_start + len;
743 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
744 initrd_start, initrd_end);
745 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
748 void *to = (void *)initrd_start;
749 void *from = (void *)data;
752 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
754 memmove (to, from, tail);
760 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
761 memmove ((void *)initrd_start, (void *)data, len);
762 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
771 debug ("## Transferring control to Linux (at address %08lx) ...\n",
774 SHOW_BOOT_PROGRESS (15);
776 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
777 unlock_ram_in_cache();
780 * Linux Kernel Parameters:
781 * r3: ptr to board info data
782 * r4: initrd_start or 0 if no initrd
783 * r5: initrd_end - unused if r4 is 0
784 * r6: Start of command line string
785 * r7: End of command line string
787 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
789 #endif /* CONFIG_PPC */
792 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
793 int argc, char *argv[],
798 DECLARE_GLOBAL_DATA_PTR;
800 image_header_t *hdr = &header;
802 void (*loader)(bd_t *, image_header_t *, char *, char *);
803 image_header_t *img_addr;
809 * Booting a (NetBSD) kernel image
811 * This process is pretty similar to a standalone application:
812 * The (first part of an multi-) image must be a stage-2 loader,
813 * which in turn is responsible for loading & invoking the actual
814 * kernel. The only differences are the parameters being passed:
815 * besides the board info strucure, the loader expects a command
816 * line, the name of the console device, and (optionally) the
817 * address of the original image header.
821 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
822 img_addr = (image_header_t *) addr;
826 #if defined (CONFIG_8xx_CONS_SMC1)
828 #elif defined (CONFIG_8xx_CONS_SMC2)
830 #elif defined (CONFIG_8xx_CONS_SCC2)
832 #elif defined (CONFIG_8xx_CONS_SCC3)
840 for (i=2, len=0 ; i<argc ; i+=1)
841 len += strlen (argv[i]) + 1;
842 cmdline = malloc (len);
844 for (i=2, len=0 ; i<argc ; i+=1) {
846 cmdline[len++] = ' ';
847 strcpy (&cmdline[len], argv[i]);
848 len += strlen (argv[i]);
850 } else if ((cmdline = getenv("bootargs")) == NULL) {
854 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep;
856 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
859 SHOW_BOOT_PROGRESS (15);
862 * NetBSD Stage-2 Loader Parameters:
863 * r3: ptr to board info data
866 * r6: boot args string
868 (*loader) (gd->bd, img_addr, consdev, cmdline);
871 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
873 /* Function that returns a character from the environment */
874 extern uchar (*env_get_char)(int);
877 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
878 int argc, char *argv[],
883 DECLARE_GLOBAL_DATA_PTR;
887 int i, j, nxt, len, envno, envsz;
889 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
890 image_header_t *hdr = &header;
893 * Booting an ARTOS kernel image + application
896 /* this used to be the top of memory, but was wrong... */
898 /* get stack pointer */
899 asm volatile ("mr %0,1" : "=r"(top) );
901 debug ("## Current stack ends at 0x%08lX ", top);
903 top -= 2048; /* just to be sure */
904 if (top > CFG_BOOTMAPSZ)
908 debug ("=> set upper limit to 0x%08lX\n", top);
910 /* first check the artos specific boot args, then the linux args*/
911 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
914 /* get length of cmdline, and place it */
916 top = (top - (len + 1)) & ~0xF;
917 cmdline = (char *)top;
918 debug ("## cmdline at 0x%08lX ", top);
922 top = (top - sizeof(bd_t)) & ~0xF;
923 debug ("## bd at 0x%08lX ", top);
925 memcpy(kbd, gd->bd, sizeof(bd_t));
927 /* first find number of env entries, and their size */
930 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
931 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
934 envsz += (nxt - i) + 1; /* plus trailing zero */
936 envno++; /* plus the terminating zero */
937 debug ("## %u envvars total size %u ", envno, envsz);
939 top = (top - sizeof(char **)*envno) & ~0xF;
940 fwenv = (char **)top;
941 debug ("## fwenv at 0x%08lX ", top);
943 top = (top - envsz) & ~0xF;
948 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
949 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
952 for (j = i; j < nxt; ++j)
953 *s++ = env_get_char(j);
956 *ss++ = NULL; /* terminate */
958 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
959 (*entry)(kbd, cmdline, fwenv, top);
964 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
965 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
968 #ifndef CFG_HUSH_PARSER
969 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
971 if (parse_string_outer(getenv("bootcmd"),
972 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
978 boot, 1, 1, do_bootd,
979 "boot - boot default, i.e., run 'bootcmd'\n",
983 /* keep old command name "bootd" for backward compatibility */
985 bootd, 1, 1, do_bootd,
986 "bootd - boot default, i.e., run 'bootcmd'\n",
992 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
993 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1000 return image_info (load_addr);
1003 for (arg=1; arg <argc; ++arg) {
1004 addr = simple_strtoul(argv[arg], NULL, 16);
1005 if (image_info (addr) != 0) rcode = 1;
1010 static int image_info (ulong addr)
1012 ulong data, len, checksum;
1013 image_header_t *hdr = &header;
1015 printf ("\n## Checking Image at %08lx ...\n", addr);
1017 /* Copy header so we can blank CRC field for re-calculation */
1018 memmove (&header, (char *)addr, sizeof(image_header_t));
1020 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1021 puts (" Bad Magic Number\n");
1025 data = (ulong)&header;
1026 len = sizeof(image_header_t);
1028 checksum = ntohl(hdr->ih_hcrc);
1031 if (crc32 (0, (char *)data, len) != checksum) {
1032 puts (" Bad Header Checksum\n");
1036 /* for multi-file images we need the data part, too */
1037 print_image_hdr ((image_header_t *)addr);
1039 data = addr + sizeof(image_header_t);
1040 len = ntohl(hdr->ih_size);
1042 puts (" Verifying Checksum ... ");
1043 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
1044 puts (" Bad Data CRC\n");
1052 iminfo, CFG_MAXARGS, 1, do_iminfo,
1053 "iminfo - print header information for application image\n",
1055 " - print header information for application image starting at\n"
1056 " address 'addr' in memory; this includes verification of the\n"
1057 " image contents (magic number, header and payload checksums)\n"
1060 #endif /* CFG_CMD_IMI */
1062 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1063 /*-----------------------------------------------------------------------
1064 * List all images found in flash.
1066 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1070 image_header_t *hdr;
1071 ulong data, len, checksum;
1073 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1074 if (info->flash_id == FLASH_UNKNOWN)
1076 for (j=0; j<CFG_MAX_FLASH_SECT; ++j) {
1078 if (!(hdr=(image_header_t *)info->start[j]) ||
1079 (ntohl(hdr->ih_magic) != IH_MAGIC))
1082 /* Copy header so we can blank CRC field for re-calculation */
1083 memmove (&header, (char *)hdr, sizeof(image_header_t));
1085 checksum = ntohl(header.ih_hcrc);
1088 if (crc32 (0, (char *)&header, sizeof(image_header_t))
1092 printf ("Image at %08lX:\n", (ulong)hdr);
1093 print_image_hdr( hdr );
1095 data = (ulong)hdr + sizeof(image_header_t);
1096 len = ntohl(hdr->ih_size);
1098 puts (" Verifying Checksum ... ");
1099 if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
1100 puts (" Bad Data CRC\n");
1112 imls, 1, 1, do_imls,
1113 "imls - list all images found in flash\n",
1115 " - Prints information about all images found at sector\n"
1116 " boundaries in flash.\n"
1118 #endif /* CFG_CMD_IMLS */
1121 print_image_hdr (image_header_t *hdr)
1123 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1124 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1128 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1129 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1130 to_tm (timestamp, &tm);
1131 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1132 tm.tm_year, tm.tm_mon, tm.tm_mday,
1133 tm.tm_hour, tm.tm_min, tm.tm_sec);
1134 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1135 puts (" Image Type: "); print_type(hdr);
1136 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1137 print_size (ntohl(hdr->ih_size), "\n");
1138 printf (" Load Address: %08x\n"
1139 " Entry Point: %08x\n",
1140 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1142 if (hdr->ih_type == IH_TYPE_MULTI) {
1145 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1147 puts (" Contents:\n");
1148 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1149 printf (" Image %d: %8ld Bytes = ", i, len);
1150 print_size (len, "\n");
1157 print_type (image_header_t *hdr)
1159 char *os, *arch, *type, *comp;
1161 switch (hdr->ih_os) {
1162 case IH_OS_INVALID: os = "Invalid OS"; break;
1163 case IH_OS_NETBSD: os = "NetBSD"; break;
1164 case IH_OS_LINUX: os = "Linux"; break;
1165 case IH_OS_VXWORKS: os = "VxWorks"; break;
1166 case IH_OS_QNX: os = "QNX"; break;
1167 case IH_OS_U_BOOT: os = "U-Boot"; break;
1168 case IH_OS_RTEMS: os = "RTEMS"; break;
1170 case IH_OS_ARTOS: os = "ARTOS"; break;
1172 #ifdef CONFIG_LYNXKDI
1173 case IH_OS_LYNXOS: os = "LynxOS"; break;
1175 default: os = "Unknown OS"; break;
1178 switch (hdr->ih_arch) {
1179 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1180 case IH_CPU_ALPHA: arch = "Alpha"; break;
1181 case IH_CPU_ARM: arch = "ARM"; break;
1182 case IH_CPU_I386: arch = "Intel x86"; break;
1183 case IH_CPU_IA64: arch = "IA64"; break;
1184 case IH_CPU_MIPS: arch = "MIPS"; break;
1185 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1186 case IH_CPU_PPC: arch = "PowerPC"; break;
1187 case IH_CPU_S390: arch = "IBM S390"; break;
1188 case IH_CPU_SH: arch = "SuperH"; break;
1189 case IH_CPU_SPARC: arch = "SPARC"; break;
1190 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1191 case IH_CPU_M68K: arch = "M68K"; break;
1192 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1193 default: arch = "Unknown Architecture"; break;
1196 switch (hdr->ih_type) {
1197 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1198 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1199 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1200 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1201 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1202 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1203 case IH_TYPE_SCRIPT: type = "Script"; break;
1204 default: type = "Unknown Image"; break;
1207 switch (hdr->ih_comp) {
1208 case IH_COMP_NONE: comp = "uncompressed"; break;
1209 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1210 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1211 default: comp = "unknown compression"; break;
1214 printf ("%s %s %s (%s)", arch, os, type, comp);
1217 #define ZALLOC_ALIGNMENT 16
1219 static void *zalloc(void *x, unsigned items, unsigned size)
1224 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1231 static void zfree(void *x, void *addr, unsigned nb)
1237 #define EXTRA_FIELD 4
1239 #define COMMENT 0x10
1240 #define RESERVED 0xe0
1244 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1252 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1253 puts ("Error: Bad gzipped data\n");
1256 if ((flags & EXTRA_FIELD) != 0)
1257 i = 12 + src[10] + (src[11] << 8);
1258 if ((flags & ORIG_NAME) != 0)
1259 while (src[i++] != 0)
1261 if ((flags & COMMENT) != 0)
1262 while (src[i++] != 0)
1264 if ((flags & HEAD_CRC) != 0)
1267 puts ("Error: gunzip out of data in header\n");
1273 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1274 s.outcb = (cb_func)WATCHDOG_RESET;
1277 #endif /* CONFIG_HW_WATCHDOG */
1279 r = inflateInit2(&s, -MAX_WBITS);
1281 printf ("Error: inflateInit2() returned %d\n", r);
1284 s.next_in = src + i;
1285 s.avail_in = *lenp - i;
1287 s.avail_out = dstlen;
1288 r = inflate(&s, Z_FINISH);
1289 if (r != Z_OK && r != Z_STREAM_END) {
1290 printf ("Error: inflate() returned %d\n", r);
1293 *lenp = s.next_out - (unsigned char *) dst;
1300 void bz_internal_error(int errcode)
1302 printf ("BZIP2 internal error %d\n", errcode);
1304 #endif /* CONFIG_BZIP2 */
1307 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1308 ulong addr, ulong *len_ptr, int verify)
1310 DECLARE_GLOBAL_DATA_PTR;
1311 image_header_t *hdr = &header;
1312 void (*entry_point)(bd_t *);
1314 entry_point = (void (*)(bd_t *)) hdr->ih_ep;
1316 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1317 (ulong)entry_point);
1319 SHOW_BOOT_PROGRESS (15);
1323 * r3: ptr to board info data
1326 (*entry_point ) ( gd->bd );
1329 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1331 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1332 ulong addr, ulong *len_ptr, int verify)
1334 image_header_t *hdr = &header;
1337 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1338 setenv("loadaddr", str);
1339 do_bootvx(cmdtp, 0, 0, NULL);
1343 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1344 ulong addr, ulong *len_ptr, int verify)
1346 image_header_t *hdr = &header;
1347 char *local_args[2];
1350 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1351 local_args[0] = argv[0];
1352 local_args[1] = str; /* and provide it via the arguments */
1353 do_bootelf(cmdtp, 0, 2, local_args);
1355 #endif /* CFG_CMD_ELF */
1357 #ifdef CONFIG_LYNXKDI
1359 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1360 int argc, char *argv[],
1365 lynxkdi_boot( &header );
1368 #endif /* CONFIG_LYNXKDI */