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[people/ms/u-boot.git] / common / cmd_bootm.c
1 /*
2 * (C) Copyright 2000-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24 /*
25 * Boot support
26 */
27 #include <common.h>
28 #include <watchdog.h>
29 #include <command.h>
30 #include <image.h>
31 #include <malloc.h>
32 #include <zlib.h>
33 #include <bzlib.h>
34 #include <environment.h>
35 #include <asm/byteorder.h>
36
37 #if defined(CONFIG_OF_LIBFDT)
38 #include <fdt.h>
39 #include <libfdt.h>
40 #include <fdt_support.h>
41 #endif
42 #if defined(CONFIG_OF_FLAT_TREE)
43 #include <ft_build.h>
44 #endif
45
46 DECLARE_GLOBAL_DATA_PTR;
47
48 /*cmd_boot.c*/
49 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
50
51 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
52 #include <rtc.h>
53 #endif
54
55 #ifdef CFG_HUSH_PARSER
56 #include <hush.h>
57 #endif
58
59 #ifdef CFG_INIT_RAM_LOCK
60 #include <asm/cache.h>
61 #endif
62
63 #ifdef CONFIG_LOGBUFFER
64 #include <logbuff.h>
65 #endif
66
67 #ifdef CONFIG_HAS_DATAFLASH
68 #include <dataflash.h>
69 #endif
70
71 /*
72 * Some systems (for example LWMON) have very short watchdog periods;
73 * we must make sure to split long operations like memmove() or
74 * crc32() into reasonable chunks.
75 */
76 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
77 # define CHUNKSZ (64 * 1024)
78 #endif
79
80 int gunzip (void *, int, unsigned char *, unsigned long *);
81
82 static void *zalloc(void *, unsigned, unsigned);
83 static void zfree(void *, void *, unsigned);
84
85 #if defined(CONFIG_CMD_IMI)
86 static int image_info (unsigned long addr);
87 #endif
88
89 #if defined(CONFIG_CMD_IMLS)
90 #include <flash.h>
91 extern flash_info_t flash_info[]; /* info for FLASH chips */
92 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
93 #endif
94
95 static void print_type (image_header_t *hdr);
96
97 #ifdef __I386__
98 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
99 #endif
100
101 /*
102 * Continue booting an OS image; caller already has:
103 * - copied image header to global variable `header'
104 * - checked header magic number, checksums (both header & image),
105 * - verified image architecture (PPC) and type (KERNEL or MULTI),
106 * - loaded (first part of) image to header load address,
107 * - disabled interrupts.
108 */
109 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
110 int argc, char *argv[],
111 ulong addr, /* of image to boot */
112 ulong *len_ptr, /* multi-file image length table */
113 int verify); /* getenv("verify")[0] != 'n' */
114
115 #ifdef DEBUG
116 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
117 #endif
118
119 #ifdef CONFIG_PPC
120 static boot_os_Fcn do_bootm_linux;
121 #else
122 extern boot_os_Fcn do_bootm_linux;
123 #endif
124 #ifdef CONFIG_SILENT_CONSOLE
125 static void fixup_silent_linux (void);
126 #endif
127 static boot_os_Fcn do_bootm_netbsd;
128 static boot_os_Fcn do_bootm_rtems;
129 #if defined(CONFIG_CMD_ELF)
130 static boot_os_Fcn do_bootm_vxworks;
131 static boot_os_Fcn do_bootm_qnxelf;
132 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
133 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
134 #endif
135 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
136 static boot_os_Fcn do_bootm_artos;
137 #endif
138 #ifdef CONFIG_LYNXKDI
139 static boot_os_Fcn do_bootm_lynxkdi;
140 extern void lynxkdi_boot( image_header_t * );
141 #endif
142
143 #ifndef CFG_BOOTM_LEN
144 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
145 #endif
146
147 image_header_t header;
148
149 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
150
151 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
152 {
153 ulong iflag;
154 ulong addr;
155 ulong data, len, checksum;
156 ulong *len_ptr;
157 uint unc_len = CFG_BOOTM_LEN;
158 int i, verify;
159 char *name, *s;
160 int (*appl)(int, char *[]);
161 image_header_t *hdr = &header;
162
163 s = getenv ("verify");
164 verify = (s && (*s == 'n')) ? 0 : 1;
165
166 if (argc < 2) {
167 addr = load_addr;
168 } else {
169 addr = simple_strtoul(argv[1], NULL, 16);
170 }
171
172 show_boot_progress (1);
173 printf ("## Booting image at %08lx ...\n", addr);
174
175 /* Copy header so we can blank CRC field for re-calculation */
176 #ifdef CONFIG_HAS_DATAFLASH
177 if (addr_dataflash(addr)){
178 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
179 } else
180 #endif
181 memmove (&header, (char *)addr, sizeof(image_header_t));
182
183 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
184 #ifdef __I386__ /* correct image format not implemented yet - fake it */
185 if (fake_header(hdr, (void*)addr, -1) != NULL) {
186 /* to compensate for the addition below */
187 addr -= sizeof(image_header_t);
188 /* turnof verify,
189 * fake_header() does not fake the data crc
190 */
191 verify = 0;
192 } else
193 #endif /* __I386__ */
194 {
195 puts ("Bad Magic Number\n");
196 show_boot_progress (-1);
197 return 1;
198 }
199 }
200 show_boot_progress (2);
201
202 data = (ulong)&header;
203 len = sizeof(image_header_t);
204
205 checksum = ntohl(hdr->ih_hcrc);
206 hdr->ih_hcrc = 0;
207
208 if (crc32 (0, (uchar *)data, len) != checksum) {
209 puts ("Bad Header Checksum\n");
210 show_boot_progress (-2);
211 return 1;
212 }
213 show_boot_progress (3);
214
215 #ifdef CONFIG_HAS_DATAFLASH
216 if (addr_dataflash(addr)){
217 len = ntohl(hdr->ih_size) + sizeof(image_header_t);
218 read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
219 addr = CFG_LOAD_ADDR;
220 }
221 #endif
222
223
224 /* for multi-file images we need the data part, too */
225 print_image_hdr ((image_header_t *)addr);
226
227 data = addr + sizeof(image_header_t);
228 len = ntohl(hdr->ih_size);
229
230 if (verify) {
231 puts (" Verifying Checksum ... ");
232 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
233 printf ("Bad Data CRC\n");
234 show_boot_progress (-3);
235 return 1;
236 }
237 puts ("OK\n");
238 }
239 show_boot_progress (4);
240
241 len_ptr = (ulong *)data;
242
243 #if defined(__ARM__)
244 if (hdr->ih_arch != IH_CPU_ARM)
245 #elif defined(__avr32__)
246 if (hdr->ih_arch != IH_CPU_AVR32)
247 #elif defined(__bfin__)
248 if (hdr->ih_arch != IH_CPU_BLACKFIN)
249 #elif defined(__I386__)
250 if (hdr->ih_arch != IH_CPU_I386)
251 #elif defined(__M68K__)
252 if (hdr->ih_arch != IH_CPU_M68K)
253 #elif defined(__microblaze__)
254 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
255 #elif defined(__mips__)
256 if (hdr->ih_arch != IH_CPU_MIPS)
257 #elif defined(__nios__)
258 if (hdr->ih_arch != IH_CPU_NIOS)
259 #elif defined(__nios2__)
260 if (hdr->ih_arch != IH_CPU_NIOS2)
261 #elif defined(__PPC__)
262 if (hdr->ih_arch != IH_CPU_PPC)
263 #elif defined(__sh__)
264 if (hdr->ih_arch != IH_CPU_SH)
265 #else
266 # error Unknown CPU type
267 #endif
268 {
269 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
270 show_boot_progress (-4);
271 return 1;
272 }
273 show_boot_progress (5);
274
275 switch (hdr->ih_type) {
276 case IH_TYPE_STANDALONE:
277 name = "Standalone Application";
278 /* A second argument overwrites the load address */
279 if (argc > 2) {
280 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
281 }
282 break;
283 case IH_TYPE_KERNEL:
284 name = "Kernel Image";
285 break;
286 case IH_TYPE_MULTI:
287 name = "Multi-File Image";
288 len = ntohl(len_ptr[0]);
289 /* OS kernel is always the first image */
290 data += 8; /* kernel_len + terminator */
291 for (i=1; len_ptr[i]; ++i)
292 data += 4;
293 break;
294 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
295 show_boot_progress (-5);
296 return 1;
297 }
298 show_boot_progress (6);
299
300 /*
301 * We have reached the point of no return: we are going to
302 * overwrite all exception vector code, so we cannot easily
303 * recover from any failures any more...
304 */
305
306 iflag = disable_interrupts();
307
308 #ifdef CONFIG_AMIGAONEG3SE
309 /*
310 * We've possible left the caches enabled during
311 * bios emulation, so turn them off again
312 */
313 icache_disable();
314 invalidate_l1_instruction_cache();
315 flush_data_cache();
316 dcache_disable();
317 #endif
318
319 switch (hdr->ih_comp) {
320 case IH_COMP_NONE:
321 if(ntohl(hdr->ih_load) == addr) {
322 printf (" XIP %s ... ", name);
323 } else {
324 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
325 size_t l = len;
326 void *to = (void *)ntohl(hdr->ih_load);
327 void *from = (void *)data;
328
329 printf (" Loading %s ... ", name);
330
331 while (l > 0) {
332 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
333 WATCHDOG_RESET();
334 memmove (to, from, tail);
335 to += tail;
336 from += tail;
337 l -= tail;
338 }
339 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
340 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
341 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
342 }
343 break;
344 case IH_COMP_GZIP:
345 printf (" Uncompressing %s ... ", name);
346 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
347 (uchar *)data, &len) != 0) {
348 puts ("GUNZIP ERROR - must RESET board to recover\n");
349 show_boot_progress (-6);
350 do_reset (cmdtp, flag, argc, argv);
351 }
352 break;
353 #ifdef CONFIG_BZIP2
354 case IH_COMP_BZIP2:
355 printf (" Uncompressing %s ... ", name);
356 /*
357 * If we've got less than 4 MB of malloc() space,
358 * use slower decompression algorithm which requires
359 * at most 2300 KB of memory.
360 */
361 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
362 &unc_len, (char *)data, len,
363 CFG_MALLOC_LEN < (4096 * 1024), 0);
364 if (i != BZ_OK) {
365 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
366 show_boot_progress (-6);
367 do_reset (cmdtp, flag, argc, argv);
368 }
369 break;
370 #endif /* CONFIG_BZIP2 */
371 default:
372 if (iflag)
373 enable_interrupts();
374 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
375 show_boot_progress (-7);
376 return 1;
377 }
378 puts ("OK\n");
379 show_boot_progress (7);
380
381 switch (hdr->ih_type) {
382 case IH_TYPE_STANDALONE:
383 if (iflag)
384 enable_interrupts();
385
386 /* load (and uncompress), but don't start if "autostart"
387 * is set to "no"
388 */
389 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
390 char buf[32];
391 sprintf(buf, "%lX", len);
392 setenv("filesize", buf);
393 return 0;
394 }
395 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
396 (*appl)(argc-1, &argv[1]);
397 return 0;
398 case IH_TYPE_KERNEL:
399 case IH_TYPE_MULTI:
400 /* handled below */
401 break;
402 default:
403 if (iflag)
404 enable_interrupts();
405 printf ("Can't boot image type %d\n", hdr->ih_type);
406 show_boot_progress (-8);
407 return 1;
408 }
409 show_boot_progress (8);
410
411 switch (hdr->ih_os) {
412 default: /* handled by (original) Linux case */
413 case IH_OS_LINUX:
414 #ifdef CONFIG_SILENT_CONSOLE
415 fixup_silent_linux();
416 #endif
417 do_bootm_linux (cmdtp, flag, argc, argv,
418 addr, len_ptr, verify);
419 break;
420 case IH_OS_NETBSD:
421 do_bootm_netbsd (cmdtp, flag, argc, argv,
422 addr, len_ptr, verify);
423 break;
424
425 #ifdef CONFIG_LYNXKDI
426 case IH_OS_LYNXOS:
427 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
428 addr, len_ptr, verify);
429 break;
430 #endif
431
432 case IH_OS_RTEMS:
433 do_bootm_rtems (cmdtp, flag, argc, argv,
434 addr, len_ptr, verify);
435 break;
436
437 #if defined(CONFIG_CMD_ELF)
438 case IH_OS_VXWORKS:
439 do_bootm_vxworks (cmdtp, flag, argc, argv,
440 addr, len_ptr, verify);
441 break;
442 case IH_OS_QNX:
443 do_bootm_qnxelf (cmdtp, flag, argc, argv,
444 addr, len_ptr, verify);
445 break;
446 #endif
447 #ifdef CONFIG_ARTOS
448 case IH_OS_ARTOS:
449 do_bootm_artos (cmdtp, flag, argc, argv,
450 addr, len_ptr, verify);
451 break;
452 #endif
453 }
454
455 show_boot_progress (-9);
456 #ifdef DEBUG
457 puts ("\n## Control returned to monitor - resetting...\n");
458 do_reset (cmdtp, flag, argc, argv);
459 #endif
460 return 1;
461 }
462
463 U_BOOT_CMD(
464 bootm, CFG_MAXARGS, 1, do_bootm,
465 "bootm - boot application image from memory\n",
466 "[addr [arg ...]]\n - boot application image stored in memory\n"
467 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
468 "\t'arg' can be the address of an initrd image\n"
469 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
470 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
471 "\ta third argument is required which is the address of the\n"
472 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
473 "\tuse a '-' for the second argument. If you do not pass a third\n"
474 "\ta bd_info struct will be passed instead\n"
475 #endif
476 );
477
478 #ifdef CONFIG_SILENT_CONSOLE
479 static void
480 fixup_silent_linux ()
481 {
482 char buf[256], *start, *end;
483 char *cmdline = getenv ("bootargs");
484
485 /* Only fix cmdline when requested */
486 if (!(gd->flags & GD_FLG_SILENT))
487 return;
488
489 debug ("before silent fix-up: %s\n", cmdline);
490 if (cmdline) {
491 if ((start = strstr (cmdline, "console=")) != NULL) {
492 end = strchr (start, ' ');
493 strncpy (buf, cmdline, (start - cmdline + 8));
494 if (end)
495 strcpy (buf + (start - cmdline + 8), end);
496 else
497 buf[start - cmdline + 8] = '\0';
498 } else {
499 strcpy (buf, cmdline);
500 strcat (buf, " console=");
501 }
502 } else {
503 strcpy (buf, "console=");
504 }
505
506 setenv ("bootargs", buf);
507 debug ("after silent fix-up: %s\n", buf);
508 }
509 #endif /* CONFIG_SILENT_CONSOLE */
510
511 #ifdef CONFIG_PPC
512 static void __attribute__((noinline))
513 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
514 int argc, char *argv[],
515 ulong addr,
516 ulong *len_ptr,
517 int verify)
518 {
519 ulong sp;
520 ulong len, checksum;
521 ulong initrd_start, initrd_end;
522 ulong cmd_start, cmd_end;
523 ulong initrd_high;
524 ulong data;
525 int initrd_copy_to_ram = 1;
526 char *cmdline;
527 char *s;
528 bd_t *kbd;
529 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
530 image_header_t *hdr = &header;
531 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
532 char *of_flat_tree = NULL;
533 ulong of_data = 0;
534 #endif
535
536 if ((s = getenv ("initrd_high")) != NULL) {
537 /* a value of "no" or a similar string will act like 0,
538 * turning the "load high" feature off. This is intentional.
539 */
540 initrd_high = simple_strtoul(s, NULL, 16);
541 if (initrd_high == ~0)
542 initrd_copy_to_ram = 0;
543 } else { /* not set, no restrictions to load high */
544 initrd_high = ~0;
545 }
546
547 #ifdef CONFIG_LOGBUFFER
548 #ifndef CONFIG_ALT_LB_ADDR
549 kbd=gd->bd;
550 /* Prevent initrd from overwriting logbuffer */
551 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
552 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
553 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
554 #else
555 debug ("## Logbuffer at 0x%08lX ", CONFIG_ALT_LB_ADDR);
556 #endif
557 #endif
558
559 /*
560 * Booting a (Linux) kernel image
561 *
562 * Allocate space for command line and board info - the
563 * address should be as high as possible within the reach of
564 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
565 * memory, which means far enough below the current stack
566 * pointer.
567 */
568
569 asm( "mr %0,1": "=r"(sp) : );
570
571 debug ("## Current stack ends at 0x%08lX ", sp);
572
573 sp -= 2048; /* just to be sure */
574 if (sp > CFG_BOOTMAPSZ)
575 sp = CFG_BOOTMAPSZ;
576 sp &= ~0xF;
577
578 debug ("=> set upper limit to 0x%08lX\n", sp);
579
580 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
581 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
582
583 if ((s = getenv("bootargs")) == NULL)
584 s = "";
585
586 strcpy (cmdline, s);
587
588 cmd_start = (ulong)&cmdline[0];
589 cmd_end = cmd_start + strlen(cmdline);
590
591 *kbd = *(gd->bd);
592
593 #ifdef DEBUG
594 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
595
596 do_bdinfo (NULL, 0, 0, NULL);
597 #endif
598
599 if ((s = getenv ("clocks_in_mhz")) != NULL) {
600 /* convert all clock information to MHz */
601 kbd->bi_intfreq /= 1000000L;
602 kbd->bi_busfreq /= 1000000L;
603 #if defined(CONFIG_MPC8220)
604 kbd->bi_inpfreq /= 1000000L;
605 kbd->bi_pcifreq /= 1000000L;
606 kbd->bi_pevfreq /= 1000000L;
607 kbd->bi_flbfreq /= 1000000L;
608 kbd->bi_vcofreq /= 1000000L;
609 #endif
610 #if defined(CONFIG_CPM2)
611 kbd->bi_cpmfreq /= 1000000L;
612 kbd->bi_brgfreq /= 1000000L;
613 kbd->bi_sccfreq /= 1000000L;
614 kbd->bi_vco /= 1000000L;
615 #endif
616 #if defined(CONFIG_MPC5xxx)
617 kbd->bi_ipbfreq /= 1000000L;
618 kbd->bi_pcifreq /= 1000000L;
619 #endif /* CONFIG_MPC5xxx */
620 }
621
622 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
623
624 /*
625 * Check if there is an initrd image
626 */
627
628 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
629 /* Look for a '-' which indicates to ignore the ramdisk argument */
630 if (argc >= 3 && strcmp(argv[2], "-") == 0) {
631 debug ("Skipping initrd\n");
632 len = data = 0;
633 }
634 else
635 #endif
636 if (argc >= 3) {
637 debug ("Not skipping initrd\n");
638 show_boot_progress (9);
639
640 addr = simple_strtoul(argv[2], NULL, 16);
641
642 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
643
644 /* Copy header so we can blank CRC field for re-calculation */
645 memmove (&header, (char *)addr, sizeof(image_header_t));
646
647 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
648 puts ("Bad Magic Number\n");
649 show_boot_progress (-10);
650 do_reset (cmdtp, flag, argc, argv);
651 }
652
653 data = (ulong)&header;
654 len = sizeof(image_header_t);
655
656 checksum = ntohl(hdr->ih_hcrc);
657 hdr->ih_hcrc = 0;
658
659 if (crc32 (0, (uchar *)data, len) != checksum) {
660 puts ("Bad Header Checksum\n");
661 show_boot_progress (-11);
662 do_reset (cmdtp, flag, argc, argv);
663 }
664
665 show_boot_progress (10);
666
667 print_image_hdr (hdr);
668
669 data = addr + sizeof(image_header_t);
670 len = ntohl(hdr->ih_size);
671
672 if (verify) {
673 ulong csum = 0;
674 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
675 ulong cdata = data, edata = cdata + len;
676 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
677
678 puts (" Verifying Checksum ... ");
679
680 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
681
682 while (cdata < edata) {
683 ulong chunk = edata - cdata;
684
685 if (chunk > CHUNKSZ)
686 chunk = CHUNKSZ;
687 csum = crc32 (csum, (uchar *)cdata, chunk);
688 cdata += chunk;
689
690 WATCHDOG_RESET();
691 }
692 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
693 csum = crc32 (0, (uchar *)data, len);
694 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
695
696 if (csum != ntohl(hdr->ih_dcrc)) {
697 puts ("Bad Data CRC\n");
698 show_boot_progress (-12);
699 do_reset (cmdtp, flag, argc, argv);
700 }
701 puts ("OK\n");
702 }
703
704 show_boot_progress (11);
705
706 if ((hdr->ih_os != IH_OS_LINUX) ||
707 (hdr->ih_arch != IH_CPU_PPC) ||
708 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
709 puts ("No Linux PPC Ramdisk Image\n");
710 show_boot_progress (-13);
711 do_reset (cmdtp, flag, argc, argv);
712 }
713
714 /*
715 * Now check if we have a multifile image
716 */
717 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
718 u_long tail = ntohl(len_ptr[0]) % 4;
719 int i;
720
721 show_boot_progress (13);
722
723 /* skip kernel length and terminator */
724 data = (ulong)(&len_ptr[2]);
725 /* skip any additional image length fields */
726 for (i=1; len_ptr[i]; ++i)
727 data += 4;
728 /* add kernel length, and align */
729 data += ntohl(len_ptr[0]);
730 if (tail) {
731 data += 4 - tail;
732 }
733
734 len = ntohl(len_ptr[1]);
735
736 } else {
737 /*
738 * no initrd image
739 */
740 show_boot_progress (14);
741
742 len = data = 0;
743 }
744
745 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
746 if(argc > 3) {
747 of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
748 hdr = (image_header_t *)of_flat_tree;
749 #if defined(CONFIG_OF_FLAT_TREE)
750 if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
751 #else
752 if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) != 0) {
753 #endif
754 #ifndef CFG_NO_FLASH
755 if (addr2info((ulong)of_flat_tree) != NULL)
756 of_data = (ulong)of_flat_tree;
757 #endif
758 } else if (ntohl(hdr->ih_magic) == IH_MAGIC) {
759 printf("## Flat Device Tree at %08lX\n", hdr);
760 print_image_hdr(hdr);
761
762 if ((ntohl(hdr->ih_load) < ((unsigned long)hdr + ntohl(hdr->ih_size) + sizeof(hdr))) &&
763 ((ntohl(hdr->ih_load) + ntohl(hdr->ih_size)) > (unsigned long)hdr)) {
764 puts ("ERROR: fdt overwritten - "
765 "must RESET the board to recover.\n");
766 do_reset (cmdtp, flag, argc, argv);
767 }
768
769 puts (" Verifying Checksum ... ");
770 memmove (&header, (char *)hdr, sizeof(image_header_t));
771 checksum = ntohl(header.ih_hcrc);
772 header.ih_hcrc = 0;
773
774 if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) {
775 puts ("ERROR: fdt header checksum invalid - "
776 "must RESET the board to recover.\n");
777 do_reset (cmdtp, flag, argc, argv);
778 }
779
780 checksum = ntohl(hdr->ih_dcrc);
781 addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
782
783 if(checksum != crc32(0, (uchar *)addr, ntohl(hdr->ih_size))) {
784 puts ("ERROR: fdt checksum invalid - "
785 "must RESET the board to recover.\n");
786 do_reset (cmdtp, flag, argc, argv);
787 }
788 puts ("OK\n");
789
790 if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
791 puts ("ERROR: uImage is not a fdt - "
792 "must RESET the board to recover.\n");
793 do_reset (cmdtp, flag, argc, argv);
794 }
795 if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
796 puts ("ERROR: uImage is compressed - "
797 "must RESET the board to recover.\n");
798 do_reset (cmdtp, flag, argc, argv);
799 }
800 #if defined(CONFIG_OF_FLAT_TREE)
801 if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
802 #else
803 if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) != 0) {
804 #endif
805 puts ("ERROR: uImage data is not a fdt - "
806 "must RESET the board to recover.\n");
807 do_reset (cmdtp, flag, argc, argv);
808 }
809
810 memmove((void *)ntohl(hdr->ih_load),
811 (void *)(of_flat_tree + sizeof(image_header_t)),
812 ntohl(hdr->ih_size));
813 of_flat_tree = (char *)ntohl(hdr->ih_load);
814 } else {
815 puts ("Did not find a flat Flat Device Tree.\n"
816 "Must RESET the board to recover.\n");
817 do_reset (cmdtp, flag, argc, argv);
818 }
819 printf (" Booting using the fdt at 0x%x\n",
820 of_flat_tree);
821 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
822 u_long tail = ntohl(len_ptr[0]) % 4;
823 int i;
824
825 /* skip kernel length, initrd length, and terminator */
826 of_flat_tree = (char *)(&len_ptr[3]);
827 /* skip any additional image length fields */
828 for (i=2; len_ptr[i]; ++i)
829 of_flat_tree += 4;
830 /* add kernel length, and align */
831 of_flat_tree += ntohl(len_ptr[0]);
832 if (tail) {
833 of_flat_tree += 4 - tail;
834 }
835
836 /* add initrd length, and align */
837 tail = ntohl(len_ptr[1]) % 4;
838 of_flat_tree += ntohl(len_ptr[1]);
839 if (tail) {
840 of_flat_tree += 4 - tail;
841 }
842
843 #ifndef CFG_NO_FLASH
844 /* move the blob if it is in flash (set of_data to !null) */
845 if (addr2info ((ulong)of_flat_tree) != NULL)
846 of_data = (ulong)of_flat_tree;
847 #endif
848
849
850 #if defined(CONFIG_OF_FLAT_TREE)
851 if (*((ulong *)(of_flat_tree)) != OF_DT_HEADER) {
852 #else
853 if (fdt_check_header (of_flat_tree) != 0) {
854 #endif
855 puts ("ERROR: image is not a fdt - "
856 "must RESET the board to recover.\n");
857 do_reset (cmdtp, flag, argc, argv);
858 }
859
860 #if defined(CONFIG_OF_FLAT_TREE)
861 if (((struct boot_param_header *)of_flat_tree)->totalsize !=
862 ntohl (len_ptr[2])) {
863 #else
864 if (be32_to_cpu (fdt_totalsize (of_flat_tree)) !=
865 ntohl(len_ptr[2])) {
866 #endif
867 puts ("ERROR: fdt size != image size - "
868 "must RESET the board to recover.\n");
869 do_reset (cmdtp, flag, argc, argv);
870 }
871 }
872 #endif
873 if (!data) {
874 debug ("No initrd\n");
875 }
876
877 if (data) {
878 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
879 initrd_start = data;
880 initrd_end = initrd_start + len;
881 } else {
882 initrd_start = (ulong)kbd - len;
883 initrd_start &= ~(4096 - 1); /* align on page */
884
885 if (initrd_high) {
886 ulong nsp;
887
888 /*
889 * the inital ramdisk does not need to be within
890 * CFG_BOOTMAPSZ as it is not accessed until after
891 * the mm system is initialised.
892 *
893 * do the stack bottom calculation again and see if
894 * the initrd will fit just below the monitor stack
895 * bottom without overwriting the area allocated
896 * above for command line args and board info.
897 */
898 asm( "mr %0,1": "=r"(nsp) : );
899 nsp -= 2048; /* just to be sure */
900 nsp &= ~0xF;
901 if (nsp > initrd_high) /* limit as specified */
902 nsp = initrd_high;
903 nsp -= len;
904 nsp &= ~(4096 - 1); /* align on page */
905 if (nsp >= sp)
906 initrd_start = nsp;
907 }
908
909 show_boot_progress (12);
910
911 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
912 data, data + len - 1, len, len);
913
914 initrd_end = initrd_start + len;
915 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
916 initrd_start, initrd_end);
917 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
918 {
919 size_t l = len;
920 void *to = (void *)initrd_start;
921 void *from = (void *)data;
922
923 while (l > 0) {
924 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
925 WATCHDOG_RESET();
926 memmove (to, from, tail);
927 to += tail;
928 from += tail;
929 l -= tail;
930 }
931 }
932 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
933 memmove ((void *)initrd_start, (void *)data, len);
934 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
935 puts ("OK\n");
936 }
937 } else {
938 initrd_start = 0;
939 initrd_end = 0;
940 }
941
942 #if defined(CONFIG_OF_LIBFDT)
943
944 #ifdef CFG_BOOTMAPSZ
945 /*
946 * The blob must be within CFG_BOOTMAPSZ,
947 * so we flag it to be copied if it is not.
948 */
949 if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
950 of_data = (ulong)of_flat_tree;
951 #endif
952
953 /* move of_flat_tree if needed */
954 if (of_data) {
955 int err;
956 ulong of_start, of_len;
957
958 of_len = be32_to_cpu(fdt_totalsize(of_data));
959
960 /* position on a 4K boundary before the kbd */
961 of_start = (ulong)kbd - of_len;
962 of_start &= ~(4096 - 1); /* align on page */
963 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
964 of_data, of_data + of_len - 1, of_len, of_len);
965
966 of_flat_tree = (char *)of_start;
967 printf (" Loading Device Tree to %08lx, end %08lx ... ",
968 of_start, of_start + of_len - 1);
969 err = fdt_open_into((void *)of_data, (void *)of_start, of_len);
970 if (err != 0) {
971 puts ("ERROR: fdt move failed - "
972 "must RESET the board to recover.\n");
973 do_reset (cmdtp, flag, argc, argv);
974 }
975 puts ("OK\n");
976 }
977 /*
978 * Add the chosen node if it doesn't exist, add the env and bd_t
979 * if the user wants it (the logic is in the subroutines).
980 */
981 if (of_flat_tree) {
982 if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
983 puts ("ERROR: /chosen node create failed - "
984 "must RESET the board to recover.\n");
985 do_reset (cmdtp, flag, argc, argv);
986 }
987 #ifdef CONFIG_OF_BOARD_SETUP
988 /* Call the board-specific fixup routine */
989 ft_board_setup(of_flat_tree, gd->bd);
990 #endif
991 }
992 #endif /* CONFIG_OF_LIBFDT */
993 #if defined(CONFIG_OF_FLAT_TREE)
994 #ifdef CFG_BOOTMAPSZ
995 /*
996 * The blob must be within CFG_BOOTMAPSZ,
997 * so we flag it to be copied if it is not.
998 */
999 if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
1000 of_data = (ulong)of_flat_tree;
1001 #endif
1002
1003 /* move of_flat_tree if needed */
1004 if (of_data) {
1005 ulong of_start, of_len;
1006 of_len = ((struct boot_param_header *)of_data)->totalsize;
1007
1008 /* provide extra 8k pad */
1009 of_start = (ulong)kbd - of_len - 8192;
1010 of_start &= ~(4096 - 1); /* align on page */
1011 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
1012 of_data, of_data + of_len - 1, of_len, of_len);
1013
1014 of_flat_tree = (char *)of_start;
1015 printf (" Loading Device Tree to %08lx, end %08lx ... ",
1016 of_start, of_start + of_len - 1);
1017 memmove ((void *)of_start, (void *)of_data, of_len);
1018 puts ("OK\n");
1019 }
1020 /*
1021 * Create the /chosen node and modify the blob with board specific
1022 * values as needed.
1023 */
1024 ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
1025 /* ft_dump_blob(of_flat_tree); */
1026 #endif
1027 debug ("## Transferring control to Linux (at address %08lx) ...\n",
1028 (ulong)kernel);
1029
1030 show_boot_progress (15);
1031
1032 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
1033 unlock_ram_in_cache();
1034 #endif
1035
1036 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
1037 if (of_flat_tree) { /* device tree; boot new style */
1038 /*
1039 * Linux Kernel Parameters (passing device tree):
1040 * r3: pointer to the fdt, followed by the board info data
1041 * r4: physical pointer to the kernel itself
1042 * r5: NULL
1043 * r6: NULL
1044 * r7: NULL
1045 */
1046 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
1047 /* does not return */
1048 }
1049 #endif
1050 /*
1051 * Linux Kernel Parameters (passing board info data):
1052 * r3: ptr to board info data
1053 * r4: initrd_start or 0 if no initrd
1054 * r5: initrd_end - unused if r4 is 0
1055 * r6: Start of command line string
1056 * r7: End of command line string
1057 */
1058 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
1059 /* does not return */
1060 }
1061 #endif /* CONFIG_PPC */
1062
1063 static void
1064 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
1065 int argc, char *argv[],
1066 ulong addr,
1067 ulong *len_ptr,
1068 int verify)
1069 {
1070 image_header_t *hdr = &header;
1071
1072 void (*loader)(bd_t *, image_header_t *, char *, char *);
1073 image_header_t *img_addr;
1074 char *consdev;
1075 char *cmdline;
1076
1077
1078 /*
1079 * Booting a (NetBSD) kernel image
1080 *
1081 * This process is pretty similar to a standalone application:
1082 * The (first part of an multi-) image must be a stage-2 loader,
1083 * which in turn is responsible for loading & invoking the actual
1084 * kernel. The only differences are the parameters being passed:
1085 * besides the board info strucure, the loader expects a command
1086 * line, the name of the console device, and (optionally) the
1087 * address of the original image header.
1088 */
1089
1090 img_addr = 0;
1091 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
1092 img_addr = (image_header_t *) addr;
1093
1094
1095 consdev = "";
1096 #if defined (CONFIG_8xx_CONS_SMC1)
1097 consdev = "smc1";
1098 #elif defined (CONFIG_8xx_CONS_SMC2)
1099 consdev = "smc2";
1100 #elif defined (CONFIG_8xx_CONS_SCC2)
1101 consdev = "scc2";
1102 #elif defined (CONFIG_8xx_CONS_SCC3)
1103 consdev = "scc3";
1104 #endif
1105
1106 if (argc > 2) {
1107 ulong len;
1108 int i;
1109
1110 for (i=2, len=0 ; i<argc ; i+=1)
1111 len += strlen (argv[i]) + 1;
1112 cmdline = malloc (len);
1113
1114 for (i=2, len=0 ; i<argc ; i+=1) {
1115 if (i > 2)
1116 cmdline[len++] = ' ';
1117 strcpy (&cmdline[len], argv[i]);
1118 len += strlen (argv[i]);
1119 }
1120 } else if ((cmdline = getenv("bootargs")) == NULL) {
1121 cmdline = "";
1122 }
1123
1124 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
1125
1126 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1127 (ulong)loader);
1128
1129 show_boot_progress (15);
1130
1131 /*
1132 * NetBSD Stage-2 Loader Parameters:
1133 * r3: ptr to board info data
1134 * r4: image address
1135 * r5: console device
1136 * r6: boot args string
1137 */
1138 (*loader) (gd->bd, img_addr, consdev, cmdline);
1139 }
1140
1141 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1142
1143 /* Function that returns a character from the environment */
1144 extern uchar (*env_get_char)(int);
1145
1146 static void
1147 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1148 int argc, char *argv[],
1149 ulong addr,
1150 ulong *len_ptr,
1151 int verify)
1152 {
1153 ulong top;
1154 char *s, *cmdline;
1155 char **fwenv, **ss;
1156 int i, j, nxt, len, envno, envsz;
1157 bd_t *kbd;
1158 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1159 image_header_t *hdr = &header;
1160
1161 /*
1162 * Booting an ARTOS kernel image + application
1163 */
1164
1165 /* this used to be the top of memory, but was wrong... */
1166 #ifdef CONFIG_PPC
1167 /* get stack pointer */
1168 asm volatile ("mr %0,1" : "=r"(top) );
1169 #endif
1170 debug ("## Current stack ends at 0x%08lX ", top);
1171
1172 top -= 2048; /* just to be sure */
1173 if (top > CFG_BOOTMAPSZ)
1174 top = CFG_BOOTMAPSZ;
1175 top &= ~0xF;
1176
1177 debug ("=> set upper limit to 0x%08lX\n", top);
1178
1179 /* first check the artos specific boot args, then the linux args*/
1180 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
1181 s = "";
1182
1183 /* get length of cmdline, and place it */
1184 len = strlen(s);
1185 top = (top - (len + 1)) & ~0xF;
1186 cmdline = (char *)top;
1187 debug ("## cmdline at 0x%08lX ", top);
1188 strcpy(cmdline, s);
1189
1190 /* copy bdinfo */
1191 top = (top - sizeof(bd_t)) & ~0xF;
1192 debug ("## bd at 0x%08lX ", top);
1193 kbd = (bd_t *)top;
1194 memcpy(kbd, gd->bd, sizeof(bd_t));
1195
1196 /* first find number of env entries, and their size */
1197 envno = 0;
1198 envsz = 0;
1199 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1200 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1201 ;
1202 envno++;
1203 envsz += (nxt - i) + 1; /* plus trailing zero */
1204 }
1205 envno++; /* plus the terminating zero */
1206 debug ("## %u envvars total size %u ", envno, envsz);
1207
1208 top = (top - sizeof(char **)*envno) & ~0xF;
1209 fwenv = (char **)top;
1210 debug ("## fwenv at 0x%08lX ", top);
1211
1212 top = (top - envsz) & ~0xF;
1213 s = (char *)top;
1214 ss = fwenv;
1215
1216 /* now copy them */
1217 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1218 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1219 ;
1220 *ss++ = s;
1221 for (j = i; j < nxt; ++j)
1222 *s++ = env_get_char(j);
1223 *s++ = '\0';
1224 }
1225 *ss++ = NULL; /* terminate */
1226
1227 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1228 (*entry)(kbd, cmdline, fwenv, top);
1229 }
1230 #endif
1231
1232
1233 #if defined(CONFIG_CMD_BOOTD)
1234 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1235 {
1236 int rcode = 0;
1237 #ifndef CFG_HUSH_PARSER
1238 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1239 #else
1240 if (parse_string_outer(getenv("bootcmd"),
1241 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1242 #endif
1243 return rcode;
1244 }
1245
1246 U_BOOT_CMD(
1247 boot, 1, 1, do_bootd,
1248 "boot - boot default, i.e., run 'bootcmd'\n",
1249 NULL
1250 );
1251
1252 /* keep old command name "bootd" for backward compatibility */
1253 U_BOOT_CMD(
1254 bootd, 1, 1, do_bootd,
1255 "bootd - boot default, i.e., run 'bootcmd'\n",
1256 NULL
1257 );
1258
1259 #endif
1260
1261 #if defined(CONFIG_CMD_IMI)
1262 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1263 {
1264 int arg;
1265 ulong addr;
1266 int rcode=0;
1267
1268 if (argc < 2) {
1269 return image_info (load_addr);
1270 }
1271
1272 for (arg=1; arg <argc; ++arg) {
1273 addr = simple_strtoul(argv[arg], NULL, 16);
1274 if (image_info (addr) != 0) rcode = 1;
1275 }
1276 return rcode;
1277 }
1278
1279 static int image_info (ulong addr)
1280 {
1281 ulong data, len, checksum;
1282 image_header_t *hdr = &header;
1283
1284 printf ("\n## Checking Image at %08lx ...\n", addr);
1285
1286 /* Copy header so we can blank CRC field for re-calculation */
1287 memmove (&header, (char *)addr, sizeof(image_header_t));
1288
1289 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1290 puts (" Bad Magic Number\n");
1291 return 1;
1292 }
1293
1294 data = (ulong)&header;
1295 len = sizeof(image_header_t);
1296
1297 checksum = ntohl(hdr->ih_hcrc);
1298 hdr->ih_hcrc = 0;
1299
1300 if (crc32 (0, (uchar *)data, len) != checksum) {
1301 puts (" Bad Header Checksum\n");
1302 return 1;
1303 }
1304
1305 /* for multi-file images we need the data part, too */
1306 print_image_hdr ((image_header_t *)addr);
1307
1308 data = addr + sizeof(image_header_t);
1309 len = ntohl(hdr->ih_size);
1310
1311 puts (" Verifying Checksum ... ");
1312 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1313 puts (" Bad Data CRC\n");
1314 return 1;
1315 }
1316 puts ("OK\n");
1317 return 0;
1318 }
1319
1320 U_BOOT_CMD(
1321 iminfo, CFG_MAXARGS, 1, do_iminfo,
1322 "iminfo - print header information for application image\n",
1323 "addr [addr ...]\n"
1324 " - print header information for application image starting at\n"
1325 " address 'addr' in memory; this includes verification of the\n"
1326 " image contents (magic number, header and payload checksums)\n"
1327 );
1328
1329 #endif
1330
1331 #if defined(CONFIG_CMD_IMLS)
1332 /*-----------------------------------------------------------------------
1333 * List all images found in flash.
1334 */
1335 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1336 {
1337 flash_info_t *info;
1338 int i, j;
1339 image_header_t *hdr;
1340 ulong data, len, checksum;
1341
1342 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1343 if (info->flash_id == FLASH_UNKNOWN)
1344 goto next_bank;
1345 for (j=0; j<info->sector_count; ++j) {
1346
1347 if (!(hdr=(image_header_t *)info->start[j]) ||
1348 (ntohl(hdr->ih_magic) != IH_MAGIC))
1349 goto next_sector;
1350
1351 /* Copy header so we can blank CRC field for re-calculation */
1352 memmove (&header, (char *)hdr, sizeof(image_header_t));
1353
1354 checksum = ntohl(header.ih_hcrc);
1355 header.ih_hcrc = 0;
1356
1357 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1358 != checksum)
1359 goto next_sector;
1360
1361 printf ("Image at %08lX:\n", (ulong)hdr);
1362 print_image_hdr( hdr );
1363
1364 data = (ulong)hdr + sizeof(image_header_t);
1365 len = ntohl(hdr->ih_size);
1366
1367 puts (" Verifying Checksum ... ");
1368 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1369 puts (" Bad Data CRC\n");
1370 }
1371 puts ("OK\n");
1372 next_sector: ;
1373 }
1374 next_bank: ;
1375 }
1376
1377 return (0);
1378 }
1379
1380 U_BOOT_CMD(
1381 imls, 1, 1, do_imls,
1382 "imls - list all images found in flash\n",
1383 "\n"
1384 " - Prints information about all images found at sector\n"
1385 " boundaries in flash.\n"
1386 );
1387 #endif
1388
1389 void
1390 print_image_hdr (image_header_t *hdr)
1391 {
1392 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
1393 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1394 struct rtc_time tm;
1395 #endif
1396
1397 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1398 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
1399 to_tm (timestamp, &tm);
1400 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1401 tm.tm_year, tm.tm_mon, tm.tm_mday,
1402 tm.tm_hour, tm.tm_min, tm.tm_sec);
1403 #endif
1404 puts (" Image Type: "); print_type(hdr);
1405 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1406 print_size (ntohl(hdr->ih_size), "\n");
1407 printf (" Load Address: %08x\n"
1408 " Entry Point: %08x\n",
1409 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1410
1411 if (hdr->ih_type == IH_TYPE_MULTI) {
1412 int i;
1413 ulong len;
1414 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1415
1416 puts (" Contents:\n");
1417 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1418 printf (" Image %d: %8ld Bytes = ", i, len);
1419 print_size (len, "\n");
1420 }
1421 }
1422 }
1423
1424
1425 static void
1426 print_type (image_header_t *hdr)
1427 {
1428 char *os, *arch, *type, *comp;
1429
1430 switch (hdr->ih_os) {
1431 case IH_OS_INVALID: os = "Invalid OS"; break;
1432 case IH_OS_NETBSD: os = "NetBSD"; break;
1433 case IH_OS_LINUX: os = "Linux"; break;
1434 case IH_OS_VXWORKS: os = "VxWorks"; break;
1435 case IH_OS_QNX: os = "QNX"; break;
1436 case IH_OS_U_BOOT: os = "U-Boot"; break;
1437 case IH_OS_RTEMS: os = "RTEMS"; break;
1438 #ifdef CONFIG_ARTOS
1439 case IH_OS_ARTOS: os = "ARTOS"; break;
1440 #endif
1441 #ifdef CONFIG_LYNXKDI
1442 case IH_OS_LYNXOS: os = "LynxOS"; break;
1443 #endif
1444 default: os = "Unknown OS"; break;
1445 }
1446
1447 switch (hdr->ih_arch) {
1448 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1449 case IH_CPU_ALPHA: arch = "Alpha"; break;
1450 case IH_CPU_ARM: arch = "ARM"; break;
1451 case IH_CPU_AVR32: arch = "AVR32"; break;
1452 case IH_CPU_BLACKFIN: arch = "Blackfin"; break;
1453 case IH_CPU_I386: arch = "Intel x86"; break;
1454 case IH_CPU_IA64: arch = "IA64"; break;
1455 case IH_CPU_M68K: arch = "M68K"; break;
1456 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1457 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1458 case IH_CPU_MIPS: arch = "MIPS"; break;
1459 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1460 case IH_CPU_NIOS: arch = "Nios"; break;
1461 case IH_CPU_PPC: arch = "PowerPC"; break;
1462 case IH_CPU_S390: arch = "IBM S390"; break;
1463 case IH_CPU_SH: arch = "SuperH"; break;
1464 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1465 case IH_CPU_SPARC: arch = "SPARC"; break;
1466 default: arch = "Unknown Architecture"; break;
1467 }
1468
1469 switch (hdr->ih_type) {
1470 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1471 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1472 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1473 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1474 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1475 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1476 case IH_TYPE_SCRIPT: type = "Script"; break;
1477 case IH_TYPE_FLATDT: type = "Flat Device Tree"; break;
1478 default: type = "Unknown Image"; break;
1479 }
1480
1481 switch (hdr->ih_comp) {
1482 case IH_COMP_NONE: comp = "uncompressed"; break;
1483 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1484 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1485 default: comp = "unknown compression"; break;
1486 }
1487
1488 printf ("%s %s %s (%s)", arch, os, type, comp);
1489 }
1490
1491 #define ZALLOC_ALIGNMENT 16
1492
1493 static void *zalloc(void *x, unsigned items, unsigned size)
1494 {
1495 void *p;
1496
1497 size *= items;
1498 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1499
1500 p = malloc (size);
1501
1502 return (p);
1503 }
1504
1505 static void zfree(void *x, void *addr, unsigned nb)
1506 {
1507 free (addr);
1508 }
1509
1510 #define HEAD_CRC 2
1511 #define EXTRA_FIELD 4
1512 #define ORIG_NAME 8
1513 #define COMMENT 0x10
1514 #define RESERVED 0xe0
1515
1516 #define DEFLATED 8
1517
1518 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1519 {
1520 z_stream s;
1521 int r, i, flags;
1522
1523 /* skip header */
1524 i = 10;
1525 flags = src[3];
1526 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1527 puts ("Error: Bad gzipped data\n");
1528 return (-1);
1529 }
1530 if ((flags & EXTRA_FIELD) != 0)
1531 i = 12 + src[10] + (src[11] << 8);
1532 if ((flags & ORIG_NAME) != 0)
1533 while (src[i++] != 0)
1534 ;
1535 if ((flags & COMMENT) != 0)
1536 while (src[i++] != 0)
1537 ;
1538 if ((flags & HEAD_CRC) != 0)
1539 i += 2;
1540 if (i >= *lenp) {
1541 puts ("Error: gunzip out of data in header\n");
1542 return (-1);
1543 }
1544
1545 s.zalloc = zalloc;
1546 s.zfree = zfree;
1547 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1548 s.outcb = (cb_func)WATCHDOG_RESET;
1549 #else
1550 s.outcb = Z_NULL;
1551 #endif /* CONFIG_HW_WATCHDOG */
1552
1553 r = inflateInit2(&s, -MAX_WBITS);
1554 if (r != Z_OK) {
1555 printf ("Error: inflateInit2() returned %d\n", r);
1556 return (-1);
1557 }
1558 s.next_in = src + i;
1559 s.avail_in = *lenp - i;
1560 s.next_out = dst;
1561 s.avail_out = dstlen;
1562 r = inflate(&s, Z_FINISH);
1563 if (r != Z_OK && r != Z_STREAM_END) {
1564 printf ("Error: inflate() returned %d\n", r);
1565 return (-1);
1566 }
1567 *lenp = s.next_out - (unsigned char *) dst;
1568 inflateEnd(&s);
1569
1570 return (0);
1571 }
1572
1573 #ifdef CONFIG_BZIP2
1574 void bz_internal_error(int errcode)
1575 {
1576 printf ("BZIP2 internal error %d\n", errcode);
1577 }
1578 #endif /* CONFIG_BZIP2 */
1579
1580 static void
1581 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1582 ulong addr, ulong *len_ptr, int verify)
1583 {
1584 image_header_t *hdr = &header;
1585 void (*entry_point)(bd_t *);
1586
1587 entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
1588
1589 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1590 (ulong)entry_point);
1591
1592 show_boot_progress (15);
1593
1594 /*
1595 * RTEMS Parameters:
1596 * r3: ptr to board info data
1597 */
1598
1599 (*entry_point ) ( gd->bd );
1600 }
1601
1602 #if defined(CONFIG_CMD_ELF)
1603 static void
1604 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1605 ulong addr, ulong *len_ptr, int verify)
1606 {
1607 image_header_t *hdr = &header;
1608 char str[80];
1609
1610 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1611 setenv("loadaddr", str);
1612 do_bootvx(cmdtp, 0, 0, NULL);
1613 }
1614
1615 static void
1616 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1617 ulong addr, ulong *len_ptr, int verify)
1618 {
1619 image_header_t *hdr = &header;
1620 char *local_args[2];
1621 char str[16];
1622
1623 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1624 local_args[0] = argv[0];
1625 local_args[1] = str; /* and provide it via the arguments */
1626 do_bootelf(cmdtp, 0, 2, local_args);
1627 }
1628 #endif
1629
1630 #ifdef CONFIG_LYNXKDI
1631 static void
1632 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1633 int argc, char *argv[],
1634 ulong addr,
1635 ulong *len_ptr,
1636 int verify)
1637 {
1638 lynxkdi_boot( &header );
1639 }
1640
1641 #endif /* CONFIG_LYNXKDI */
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