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