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common/cmd_[af]*: Remove obsolete references to CONFIG_COMMANDS.
[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 CONFIG_SHOW_BOOT_PROGRESS
60 # include <status_led.h>
61 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
62 #else
63 # define SHOW_BOOT_PROGRESS(arg)
64 #endif
65
66 #ifdef CFG_INIT_RAM_LOCK
67 #include <asm/cache.h>
68 #endif
69
70 #ifdef CONFIG_LOGBUFFER
71 #include <logbuff.h>
72 #endif
73
74 #ifdef CONFIG_HAS_DATAFLASH
75 #include <dataflash.h>
76 #endif
77
78 /*
79 * Some systems (for example LWMON) have very short watchdog periods;
80 * we must make sure to split long operations like memmove() or
81 * crc32() into reasonable chunks.
82 */
83 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
84 # define CHUNKSZ (64 * 1024)
85 #endif
86
87 int gunzip (void *, int, unsigned char *, unsigned long *);
88
89 static void *zalloc(void *, unsigned, unsigned);
90 static void zfree(void *, void *, unsigned);
91
92 #if defined(CONFIG_CMD_IMI)
93 static int image_info (unsigned long addr);
94 #endif
95
96 #if defined(CONFIG_CMD_IMLS)
97 #include <flash.h>
98 extern flash_info_t flash_info[]; /* info for FLASH chips */
99 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
100 #endif
101
102 static void print_type (image_header_t *hdr);
103
104 #ifdef __I386__
105 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
106 #endif
107
108 /*
109 * Continue booting an OS image; caller already has:
110 * - copied image header to global variable `header'
111 * - checked header magic number, checksums (both header & image),
112 * - verified image architecture (PPC) and type (KERNEL or MULTI),
113 * - loaded (first part of) image to header load address,
114 * - disabled interrupts.
115 */
116 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
117 int argc, char *argv[],
118 ulong addr, /* of image to boot */
119 ulong *len_ptr, /* multi-file image length table */
120 int verify); /* getenv("verify")[0] != 'n' */
121
122 #ifdef DEBUG
123 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
124 #endif
125
126 #ifdef CONFIG_PPC
127 static boot_os_Fcn do_bootm_linux;
128 #else
129 extern boot_os_Fcn do_bootm_linux;
130 #endif
131 #ifdef CONFIG_SILENT_CONSOLE
132 static void fixup_silent_linux (void);
133 #endif
134 static boot_os_Fcn do_bootm_netbsd;
135 static boot_os_Fcn do_bootm_rtems;
136 #if defined(CONFIG_CMD_ELF)
137 static boot_os_Fcn do_bootm_vxworks;
138 static boot_os_Fcn do_bootm_qnxelf;
139 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
140 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
141 #endif /* CFG_CMD_ELF */
142 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
143 static boot_os_Fcn do_bootm_artos;
144 #endif
145 #ifdef CONFIG_LYNXKDI
146 static boot_os_Fcn do_bootm_lynxkdi;
147 extern void lynxkdi_boot( image_header_t * );
148 #endif
149
150 #ifndef CFG_BOOTM_LEN
151 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
152 #endif
153
154 image_header_t header;
155
156 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
157
158 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
159 {
160 ulong iflag;
161 ulong addr;
162 ulong data, len, checksum;
163 ulong *len_ptr;
164 uint unc_len = CFG_BOOTM_LEN;
165 int i, verify;
166 char *name, *s;
167 int (*appl)(int, char *[]);
168 image_header_t *hdr = &header;
169
170 s = getenv ("verify");
171 verify = (s && (*s == 'n')) ? 0 : 1;
172
173 if (argc < 2) {
174 addr = load_addr;
175 } else {
176 addr = simple_strtoul(argv[1], NULL, 16);
177 }
178
179 SHOW_BOOT_PROGRESS (1);
180 printf ("## Booting image at %08lx ...\n", addr);
181
182 /* Copy header so we can blank CRC field for re-calculation */
183 #ifdef CONFIG_HAS_DATAFLASH
184 if (addr_dataflash(addr)){
185 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
186 } else
187 #endif
188 memmove (&header, (char *)addr, sizeof(image_header_t));
189
190 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
191 #ifdef __I386__ /* correct image format not implemented yet - fake it */
192 if (fake_header(hdr, (void*)addr, -1) != NULL) {
193 /* to compensate for the addition below */
194 addr -= sizeof(image_header_t);
195 /* turnof verify,
196 * fake_header() does not fake the data crc
197 */
198 verify = 0;
199 } else
200 #endif /* __I386__ */
201 {
202 puts ("Bad Magic Number\n");
203 SHOW_BOOT_PROGRESS (-1);
204 return 1;
205 }
206 }
207 SHOW_BOOT_PROGRESS (2);
208
209 data = (ulong)&header;
210 len = sizeof(image_header_t);
211
212 checksum = ntohl(hdr->ih_hcrc);
213 hdr->ih_hcrc = 0;
214
215 if (crc32 (0, (uchar *)data, len) != checksum) {
216 puts ("Bad Header Checksum\n");
217 SHOW_BOOT_PROGRESS (-2);
218 return 1;
219 }
220 SHOW_BOOT_PROGRESS (3);
221
222 #ifdef CONFIG_HAS_DATAFLASH
223 if (addr_dataflash(addr)){
224 len = ntohl(hdr->ih_size) + sizeof(image_header_t);
225 read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
226 addr = CFG_LOAD_ADDR;
227 }
228 #endif
229
230
231 /* for multi-file images we need the data part, too */
232 print_image_hdr ((image_header_t *)addr);
233
234 data = addr + sizeof(image_header_t);
235 len = ntohl(hdr->ih_size);
236
237 if (verify) {
238 puts (" Verifying Checksum ... ");
239 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
240 printf ("Bad Data CRC\n");
241 SHOW_BOOT_PROGRESS (-3);
242 return 1;
243 }
244 puts ("OK\n");
245 }
246 SHOW_BOOT_PROGRESS (4);
247
248 len_ptr = (ulong *)data;
249
250 #if defined(__ARM__)
251 if (hdr->ih_arch != IH_CPU_ARM)
252 #elif defined(__avr32__)
253 if (hdr->ih_arch != IH_CPU_AVR32)
254 #elif defined(__bfin__)
255 if (hdr->ih_arch != IH_CPU_BLACKFIN)
256 #elif defined(__I386__)
257 if (hdr->ih_arch != IH_CPU_I386)
258 #elif defined(__M68K__)
259 if (hdr->ih_arch != IH_CPU_M68K)
260 #elif defined(__microblaze__)
261 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
262 #elif defined(__mips__)
263 if (hdr->ih_arch != IH_CPU_MIPS)
264 #elif defined(__nios__)
265 if (hdr->ih_arch != IH_CPU_NIOS)
266 #elif defined(__nios2__)
267 if (hdr->ih_arch != IH_CPU_NIOS2)
268 #elif defined(__PPC__)
269 if (hdr->ih_arch != IH_CPU_PPC)
270 #else
271 # error Unknown CPU type
272 #endif
273 {
274 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
275 SHOW_BOOT_PROGRESS (-4);
276 return 1;
277 }
278 SHOW_BOOT_PROGRESS (5);
279
280 switch (hdr->ih_type) {
281 case IH_TYPE_STANDALONE:
282 name = "Standalone Application";
283 /* A second argument overwrites the load address */
284 if (argc > 2) {
285 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
286 }
287 break;
288 case IH_TYPE_KERNEL:
289 name = "Kernel Image";
290 break;
291 case IH_TYPE_MULTI:
292 name = "Multi-File Image";
293 len = ntohl(len_ptr[0]);
294 /* OS kernel is always the first image */
295 data += 8; /* kernel_len + terminator */
296 for (i=1; len_ptr[i]; ++i)
297 data += 4;
298 break;
299 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
300 SHOW_BOOT_PROGRESS (-5);
301 return 1;
302 }
303 SHOW_BOOT_PROGRESS (6);
304
305 /*
306 * We have reached the point of no return: we are going to
307 * overwrite all exception vector code, so we cannot easily
308 * recover from any failures any more...
309 */
310
311 iflag = disable_interrupts();
312
313 #ifdef CONFIG_AMIGAONEG3SE
314 /*
315 * We've possible left the caches enabled during
316 * bios emulation, so turn them off again
317 */
318 icache_disable();
319 invalidate_l1_instruction_cache();
320 flush_data_cache();
321 dcache_disable();
322 #endif
323
324 switch (hdr->ih_comp) {
325 case IH_COMP_NONE:
326 if(ntohl(hdr->ih_load) == addr) {
327 printf (" XIP %s ... ", name);
328 } else {
329 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
330 size_t l = len;
331 void *to = (void *)ntohl(hdr->ih_load);
332 void *from = (void *)data;
333
334 printf (" Loading %s ... ", name);
335
336 while (l > 0) {
337 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
338 WATCHDOG_RESET();
339 memmove (to, from, tail);
340 to += tail;
341 from += tail;
342 l -= tail;
343 }
344 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
345 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
346 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
347 }
348 break;
349 case IH_COMP_GZIP:
350 printf (" Uncompressing %s ... ", name);
351 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
352 (uchar *)data, &len) != 0) {
353 puts ("GUNZIP ERROR - must RESET board to recover\n");
354 SHOW_BOOT_PROGRESS (-6);
355 do_reset (cmdtp, flag, argc, argv);
356 }
357 break;
358 #ifdef CONFIG_BZIP2
359 case IH_COMP_BZIP2:
360 printf (" Uncompressing %s ... ", name);
361 /*
362 * If we've got less than 4 MB of malloc() space,
363 * use slower decompression algorithm which requires
364 * at most 2300 KB of memory.
365 */
366 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
367 &unc_len, (char *)data, len,
368 CFG_MALLOC_LEN < (4096 * 1024), 0);
369 if (i != BZ_OK) {
370 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
371 SHOW_BOOT_PROGRESS (-6);
372 udelay(100000);
373 do_reset (cmdtp, flag, argc, argv);
374 }
375 break;
376 #endif /* CONFIG_BZIP2 */
377 default:
378 if (iflag)
379 enable_interrupts();
380 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
381 SHOW_BOOT_PROGRESS (-7);
382 return 1;
383 }
384 puts ("OK\n");
385 SHOW_BOOT_PROGRESS (7);
386
387 switch (hdr->ih_type) {
388 case IH_TYPE_STANDALONE:
389 if (iflag)
390 enable_interrupts();
391
392 /* load (and uncompress), but don't start if "autostart"
393 * is set to "no"
394 */
395 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
396 char buf[32];
397 sprintf(buf, "%lX", len);
398 setenv("filesize", buf);
399 return 0;
400 }
401 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
402 (*appl)(argc-1, &argv[1]);
403 return 0;
404 case IH_TYPE_KERNEL:
405 case IH_TYPE_MULTI:
406 /* handled below */
407 break;
408 default:
409 if (iflag)
410 enable_interrupts();
411 printf ("Can't boot image type %d\n", hdr->ih_type);
412 SHOW_BOOT_PROGRESS (-8);
413 return 1;
414 }
415 SHOW_BOOT_PROGRESS (8);
416
417 switch (hdr->ih_os) {
418 default: /* handled by (original) Linux case */
419 case IH_OS_LINUX:
420 #ifdef CONFIG_SILENT_CONSOLE
421 fixup_silent_linux();
422 #endif
423 do_bootm_linux (cmdtp, flag, argc, argv,
424 addr, len_ptr, verify);
425 break;
426 case IH_OS_NETBSD:
427 do_bootm_netbsd (cmdtp, flag, argc, argv,
428 addr, len_ptr, verify);
429 break;
430
431 #ifdef CONFIG_LYNXKDI
432 case IH_OS_LYNXOS:
433 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
434 addr, len_ptr, verify);
435 break;
436 #endif
437
438 case IH_OS_RTEMS:
439 do_bootm_rtems (cmdtp, flag, argc, argv,
440 addr, len_ptr, verify);
441 break;
442
443 #if defined(CONFIG_CMD_ELF)
444 case IH_OS_VXWORKS:
445 do_bootm_vxworks (cmdtp, flag, argc, argv,
446 addr, len_ptr, verify);
447 break;
448 case IH_OS_QNX:
449 do_bootm_qnxelf (cmdtp, flag, argc, argv,
450 addr, len_ptr, verify);
451 break;
452 #endif /* CFG_CMD_ELF */
453 #ifdef CONFIG_ARTOS
454 case IH_OS_ARTOS:
455 do_bootm_artos (cmdtp, flag, argc, argv,
456 addr, len_ptr, verify);
457 break;
458 #endif
459 }
460
461 SHOW_BOOT_PROGRESS (-9);
462 #ifdef DEBUG
463 puts ("\n## Control returned to monitor - resetting...\n");
464 do_reset (cmdtp, flag, argc, argv);
465 #endif
466 return 1;
467 }
468
469 U_BOOT_CMD(
470 bootm, CFG_MAXARGS, 1, do_bootm,
471 "bootm - boot application image from memory\n",
472 "[addr [arg ...]]\n - boot application image stored in memory\n"
473 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
474 "\t'arg' can be the address of an initrd image\n"
475 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
476 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
477 "\ta third argument is required which is the address of the of the\n"
478 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
479 "\tuse a '-' for the second argument. If you do not pass a third\n"
480 "\ta bd_info struct will be passed instead\n"
481 #endif
482 );
483
484 #ifdef CONFIG_SILENT_CONSOLE
485 static void
486 fixup_silent_linux ()
487 {
488 char buf[256], *start, *end;
489 char *cmdline = getenv ("bootargs");
490
491 /* Only fix cmdline when requested */
492 if (!(gd->flags & GD_FLG_SILENT))
493 return;
494
495 debug ("before silent fix-up: %s\n", cmdline);
496 if (cmdline) {
497 if ((start = strstr (cmdline, "console=")) != NULL) {
498 end = strchr (start, ' ');
499 strncpy (buf, cmdline, (start - cmdline + 8));
500 if (end)
501 strcpy (buf + (start - cmdline + 8), end);
502 else
503 buf[start - cmdline + 8] = '\0';
504 } else {
505 strcpy (buf, cmdline);
506 strcat (buf, " console=");
507 }
508 } else {
509 strcpy (buf, "console=");
510 }
511
512 setenv ("bootargs", buf);
513 debug ("after silent fix-up: %s\n", buf);
514 }
515 #endif /* CONFIG_SILENT_CONSOLE */
516
517 #ifdef CONFIG_PPC
518 static void __attribute__((noinline))
519 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
520 int argc, char *argv[],
521 ulong addr,
522 ulong *len_ptr,
523 int verify)
524 {
525 ulong sp;
526 ulong len, checksum;
527 ulong initrd_start, initrd_end;
528 ulong cmd_start, cmd_end;
529 ulong initrd_high;
530 ulong data;
531 int initrd_copy_to_ram = 1;
532 char *cmdline;
533 char *s;
534 bd_t *kbd;
535 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
536 image_header_t *hdr = &header;
537 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
538 char *of_flat_tree = NULL;
539 ulong of_data = 0;
540 #endif
541
542 if ((s = getenv ("initrd_high")) != NULL) {
543 /* a value of "no" or a similar string will act like 0,
544 * turning the "load high" feature off. This is intentional.
545 */
546 initrd_high = simple_strtoul(s, NULL, 16);
547 if (initrd_high == ~0)
548 initrd_copy_to_ram = 0;
549 } else { /* not set, no restrictions to load high */
550 initrd_high = ~0;
551 }
552
553 #ifdef CONFIG_LOGBUFFER
554 kbd=gd->bd;
555 /* Prevent initrd from overwriting logbuffer */
556 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
557 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
558 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
559 #endif
560
561 /*
562 * Booting a (Linux) kernel image
563 *
564 * Allocate space for command line and board info - the
565 * address should be as high as possible within the reach of
566 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
567 * memory, which means far enough below the current stack
568 * pointer.
569 */
570
571 asm( "mr %0,1": "=r"(sp) : );
572
573 debug ("## Current stack ends at 0x%08lX ", sp);
574
575 sp -= 2048; /* just to be sure */
576 if (sp > CFG_BOOTMAPSZ)
577 sp = CFG_BOOTMAPSZ;
578 sp &= ~0xF;
579
580 debug ("=> set upper limit to 0x%08lX\n", sp);
581
582 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
583 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
584
585 if ((s = getenv("bootargs")) == NULL)
586 s = "";
587
588 strcpy (cmdline, s);
589
590 cmd_start = (ulong)&cmdline[0];
591 cmd_end = cmd_start + strlen(cmdline);
592
593 *kbd = *(gd->bd);
594
595 #ifdef DEBUG
596 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
597
598 do_bdinfo (NULL, 0, 0, NULL);
599 #endif
600
601 if ((s = getenv ("clocks_in_mhz")) != NULL) {
602 /* convert all clock information to MHz */
603 kbd->bi_intfreq /= 1000000L;
604 kbd->bi_busfreq /= 1000000L;
605 #if defined(CONFIG_MPC8220)
606 kbd->bi_inpfreq /= 1000000L;
607 kbd->bi_pcifreq /= 1000000L;
608 kbd->bi_pevfreq /= 1000000L;
609 kbd->bi_flbfreq /= 1000000L;
610 kbd->bi_vcofreq /= 1000000L;
611 #endif
612 #if defined(CONFIG_CPM2)
613 kbd->bi_cpmfreq /= 1000000L;
614 kbd->bi_brgfreq /= 1000000L;
615 kbd->bi_sccfreq /= 1000000L;
616 kbd->bi_vco /= 1000000L;
617 #endif
618 #if defined(CONFIG_MPC5xxx)
619 kbd->bi_ipbfreq /= 1000000L;
620 kbd->bi_pcifreq /= 1000000L;
621 #endif /* CONFIG_MPC5xxx */
622 }
623
624 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
625
626 /*
627 * Check if there is an initrd image
628 */
629
630 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
631 /* Look for a '-' which indicates to ignore the ramdisk argument */
632 if (argc >= 3 && strcmp(argv[2], "-") == 0) {
633 debug ("Skipping initrd\n");
634 len = data = 0;
635 }
636 else
637 #endif
638 if (argc >= 3) {
639 debug ("Not skipping initrd\n");
640 SHOW_BOOT_PROGRESS (9);
641
642 addr = simple_strtoul(argv[2], NULL, 16);
643
644 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
645
646 /* Copy header so we can blank CRC field for re-calculation */
647 memmove (&header, (char *)addr, sizeof(image_header_t));
648
649 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
650 puts ("Bad Magic Number\n");
651 SHOW_BOOT_PROGRESS (-10);
652 do_reset (cmdtp, flag, argc, argv);
653 }
654
655 data = (ulong)&header;
656 len = sizeof(image_header_t);
657
658 checksum = ntohl(hdr->ih_hcrc);
659 hdr->ih_hcrc = 0;
660
661 if (crc32 (0, (uchar *)data, len) != checksum) {
662 puts ("Bad Header Checksum\n");
663 SHOW_BOOT_PROGRESS (-11);
664 do_reset (cmdtp, flag, argc, argv);
665 }
666
667 SHOW_BOOT_PROGRESS (10);
668
669 print_image_hdr (hdr);
670
671 data = addr + sizeof(image_header_t);
672 len = ntohl(hdr->ih_size);
673
674 if (verify) {
675 ulong csum = 0;
676 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
677 ulong cdata = data, edata = cdata + len;
678 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
679
680 puts (" Verifying Checksum ... ");
681
682 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
683
684 while (cdata < edata) {
685 ulong chunk = edata - cdata;
686
687 if (chunk > CHUNKSZ)
688 chunk = CHUNKSZ;
689 csum = crc32 (csum, (uchar *)cdata, chunk);
690 cdata += chunk;
691
692 WATCHDOG_RESET();
693 }
694 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
695 csum = crc32 (0, (uchar *)data, len);
696 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
697
698 if (csum != ntohl(hdr->ih_dcrc)) {
699 puts ("Bad Data CRC\n");
700 SHOW_BOOT_PROGRESS (-12);
701 do_reset (cmdtp, flag, argc, argv);
702 }
703 puts ("OK\n");
704 }
705
706 SHOW_BOOT_PROGRESS (11);
707
708 if ((hdr->ih_os != IH_OS_LINUX) ||
709 (hdr->ih_arch != IH_CPU_PPC) ||
710 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
711 puts ("No Linux PPC Ramdisk Image\n");
712 SHOW_BOOT_PROGRESS (-13);
713 do_reset (cmdtp, flag, argc, argv);
714 }
715
716 /*
717 * Now check if we have a multifile image
718 */
719 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
720 u_long tail = ntohl(len_ptr[0]) % 4;
721 int i;
722
723 SHOW_BOOT_PROGRESS (13);
724
725 /* skip kernel length and terminator */
726 data = (ulong)(&len_ptr[2]);
727 /* skip any additional image length fields */
728 for (i=1; len_ptr[i]; ++i)
729 data += 4;
730 /* add kernel length, and align */
731 data += ntohl(len_ptr[0]);
732 if (tail) {
733 data += 4 - tail;
734 }
735
736 len = ntohl(len_ptr[1]);
737
738 } else {
739 /*
740 * no initrd image
741 */
742 SHOW_BOOT_PROGRESS (14);
743
744 len = data = 0;
745 }
746
747 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
748 if(argc > 3) {
749 of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
750 hdr = (image_header_t *)of_flat_tree;
751 #if defined(CONFIG_OF_LIBFDT)
752 if (fdt_check_header(of_flat_tree) == 0) {
753 #else
754 if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
755 #endif
756 #ifndef CFG_NO_FLASH
757 if (addr2info((ulong)of_flat_tree) != NULL)
758 of_data = (ulong)of_flat_tree;
759 #endif
760 } else if (ntohl(hdr->ih_magic) == IH_MAGIC) {
761 printf("## Flat Device Tree Image at %08lX\n", hdr);
762 print_image_hdr(hdr);
763
764 if ((ntohl(hdr->ih_load) < ((unsigned long)hdr + ntohl(hdr->ih_size) + sizeof(hdr))) &&
765 ((ntohl(hdr->ih_load) + ntohl(hdr->ih_size)) > (unsigned long)hdr)) {
766 printf ("ERROR: Load address overwrites Flat Device Tree uImage\n");
767 return;
768 }
769
770 printf(" Verifying Checksum ... ");
771 memmove (&header, (char *)hdr, sizeof(image_header_t));
772 checksum = ntohl(header.ih_hcrc);
773 header.ih_hcrc = 0;
774
775 if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) {
776 printf("ERROR: Flat Device Tree header checksum is invalid\n");
777 return;
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 printf("ERROR: Flat Device Tree checksum is invalid\n");
785 return;
786 }
787 printf("OK\n");
788
789 if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
790 printf ("ERROR: uImage not Flat Device Tree type\n");
791 return;
792 }
793 if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
794 printf("ERROR: uImage is not uncompressed\n");
795 return;
796 }
797 #if defined(CONFIG_OF_LIBFDT)
798 if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) == 0) {
799 #else
800 if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
801 #endif
802 printf ("ERROR: uImage data is not a flat device tree\n");
803 return;
804 }
805
806 memmove((void *)ntohl(hdr->ih_load),
807 (void *)(of_flat_tree + sizeof(image_header_t)),
808 ntohl(hdr->ih_size));
809 of_flat_tree = (char *)ntohl(hdr->ih_load);
810 } else {
811 printf ("Did not find a flat flat device tree at address %08lX\n", of_flat_tree);
812 return;
813 }
814 printf (" Booting using flat device tree at 0x%x\n",
815 of_flat_tree);
816 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
817 u_long tail = ntohl(len_ptr[0]) % 4;
818 int i;
819
820 /* skip kernel length, initrd length, and terminator */
821 of_data = (ulong)(&len_ptr[3]);
822 /* skip any additional image length fields */
823 for (i=2; len_ptr[i]; ++i)
824 of_data += 4;
825 /* add kernel length, and align */
826 of_data += ntohl(len_ptr[0]);
827 if (tail) {
828 of_data += 4 - tail;
829 }
830
831 /* add initrd length, and align */
832 tail = ntohl(len_ptr[1]) % 4;
833 of_data += ntohl(len_ptr[1]);
834 if (tail) {
835 of_data += 4 - tail;
836 }
837
838 #if defined(CONFIG_OF_LIBFDT)
839 if (fdt_check_header((void *)of_data) != 0) {
840 #else
841 if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
842 #endif
843 printf ("ERROR: image is not a flat device tree\n");
844 return;
845 }
846
847 #if defined(CONFIG_OF_LIBFDT)
848 if (be32_to_cpu(fdt_totalsize(of_data)) != ntohl(len_ptr[2])) {
849 #else
850 if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
851 #endif
852 printf ("ERROR: flat device tree size does not agree with image\n");
853 return;
854 }
855 }
856 #endif
857 if (!data) {
858 debug ("No initrd\n");
859 }
860
861 if (data) {
862 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
863 initrd_start = data;
864 initrd_end = initrd_start + len;
865 } else {
866 initrd_start = (ulong)kbd - len;
867 initrd_start &= ~(4096 - 1); /* align on page */
868
869 if (initrd_high) {
870 ulong nsp;
871
872 /*
873 * the inital ramdisk does not need to be within
874 * CFG_BOOTMAPSZ as it is not accessed until after
875 * the mm system is initialised.
876 *
877 * do the stack bottom calculation again and see if
878 * the initrd will fit just below the monitor stack
879 * bottom without overwriting the area allocated
880 * above for command line args and board info.
881 */
882 asm( "mr %0,1": "=r"(nsp) : );
883 nsp -= 2048; /* just to be sure */
884 nsp &= ~0xF;
885 if (nsp > initrd_high) /* limit as specified */
886 nsp = initrd_high;
887 nsp -= len;
888 nsp &= ~(4096 - 1); /* align on page */
889 if (nsp >= sp)
890 initrd_start = nsp;
891 }
892
893 SHOW_BOOT_PROGRESS (12);
894
895 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
896 data, data + len - 1, len, len);
897
898 initrd_end = initrd_start + len;
899 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
900 initrd_start, initrd_end);
901 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
902 {
903 size_t l = len;
904 void *to = (void *)initrd_start;
905 void *from = (void *)data;
906
907 while (l > 0) {
908 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
909 WATCHDOG_RESET();
910 memmove (to, from, tail);
911 to += tail;
912 from += tail;
913 l -= tail;
914 }
915 }
916 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
917 memmove ((void *)initrd_start, (void *)data, len);
918 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
919 puts ("OK\n");
920 }
921 } else {
922 initrd_start = 0;
923 initrd_end = 0;
924 }
925
926 debug ("## Transferring control to Linux (at address %08lx) ...\n",
927 (ulong)kernel);
928
929 SHOW_BOOT_PROGRESS (15);
930
931 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
932 unlock_ram_in_cache();
933 #endif
934
935 #if defined(CONFIG_OF_LIBFDT)
936 /* move of_flat_tree if needed */
937 if (of_data) {
938 int err;
939 ulong of_start, of_len;
940
941 of_len = be32_to_cpu(fdt_totalsize(of_data));
942 /* position on a 4K boundary before the initrd/kbd */
943 if (initrd_start)
944 of_start = initrd_start - of_len;
945 else
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_start, (void *)of_data, of_len);
955 if (err != 0) {
956 printf ("libfdt: %s " __FILE__ " %d\n", fdt_strerror(err), __LINE__);
957 }
958 /*
959 * Add the chosen node if it doesn't exist, add the env and bd_t
960 * if the user wants it (the logic is in the subroutines).
961 */
962 if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
963 printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree);
964 return;
965 }
966 #ifdef CONFIG_OF_HAS_UBOOT_ENV
967 if (fdt_env(of_flat_tree) < 0) {
968 printf("Failed creating the /u-boot-env node, aborting.\n");
969 return;
970 }
971 #endif
972 #ifdef CONFIG_OF_HAS_BD_T
973 if (fdt_bd_t(of_flat_tree) < 0) {
974 printf("Failed creating the /bd_t node, aborting.\n");
975 return;
976 }
977 #endif
978 }
979 #endif
980 #if defined(CONFIG_OF_FLAT_TREE)
981 /* move of_flat_tree if needed */
982 if (of_data) {
983 ulong of_start, of_len;
984 of_len = ((struct boot_param_header *)of_data)->totalsize;
985 /* provide extra 8k pad */
986 if (initrd_start)
987 of_start = initrd_start - of_len - 8192;
988 else
989 of_start = (ulong)kbd - of_len - 8192;
990 of_start &= ~(4096 - 1); /* align on page */
991 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
992 of_data, of_data + of_len - 1, of_len, of_len);
993
994 of_flat_tree = (char *)of_start;
995 printf (" Loading Device Tree to %08lx, end %08lx ... ",
996 of_start, of_start + of_len - 1);
997 memmove ((void *)of_start, (void *)of_data, of_len);
998 }
999 #endif
1000
1001 /*
1002 * Linux Kernel Parameters (passing board info data):
1003 * r3: ptr to board info data
1004 * r4: initrd_start or 0 if no initrd
1005 * r5: initrd_end - unused if r4 is 0
1006 * r6: Start of command line string
1007 * r7: End of command line string
1008 */
1009 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
1010 if (!of_flat_tree) /* no device tree; boot old style */
1011 #endif
1012 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
1013 /* does not return */
1014
1015 #if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
1016 /*
1017 * Linux Kernel Parameters (passing device tree):
1018 * r3: ptr to OF flat tree, followed by the board info data
1019 * r4: physical pointer to the kernel itself
1020 * r5: NULL
1021 * r6: NULL
1022 * r7: NULL
1023 */
1024 #if defined(CONFIG_OF_FLAT_TREE)
1025 ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
1026 /* ft_dump_blob(of_flat_tree); */
1027 #endif
1028 #if defined(CONFIG_OF_LIBFDT)
1029 if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
1030 printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree);
1031 return;
1032 }
1033 #ifdef CONFIG_OF_HAS_UBOOT_ENV
1034 if (fdt_env(of_flat_tree) < 0) {
1035 printf("Failed creating the /u-boot-env node, aborting.\n");
1036 return;
1037 }
1038 #endif
1039 #ifdef CONFIG_OF_HAS_BD_T
1040 if (fdt_bd_t(of_flat_tree) < 0) {
1041 printf("Failed creating the /bd_t node, aborting.\n");
1042 return;
1043 }
1044 #endif
1045 #endif /* if defined(CONFIG_OF_LIBFDT) */
1046
1047 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
1048 #endif
1049 }
1050 #endif /* CONFIG_PPC */
1051
1052 static void
1053 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
1054 int argc, char *argv[],
1055 ulong addr,
1056 ulong *len_ptr,
1057 int verify)
1058 {
1059 image_header_t *hdr = &header;
1060
1061 void (*loader)(bd_t *, image_header_t *, char *, char *);
1062 image_header_t *img_addr;
1063 char *consdev;
1064 char *cmdline;
1065
1066
1067 /*
1068 * Booting a (NetBSD) kernel image
1069 *
1070 * This process is pretty similar to a standalone application:
1071 * The (first part of an multi-) image must be a stage-2 loader,
1072 * which in turn is responsible for loading & invoking the actual
1073 * kernel. The only differences are the parameters being passed:
1074 * besides the board info strucure, the loader expects a command
1075 * line, the name of the console device, and (optionally) the
1076 * address of the original image header.
1077 */
1078
1079 img_addr = 0;
1080 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
1081 img_addr = (image_header_t *) addr;
1082
1083
1084 consdev = "";
1085 #if defined (CONFIG_8xx_CONS_SMC1)
1086 consdev = "smc1";
1087 #elif defined (CONFIG_8xx_CONS_SMC2)
1088 consdev = "smc2";
1089 #elif defined (CONFIG_8xx_CONS_SCC2)
1090 consdev = "scc2";
1091 #elif defined (CONFIG_8xx_CONS_SCC3)
1092 consdev = "scc3";
1093 #endif
1094
1095 if (argc > 2) {
1096 ulong len;
1097 int i;
1098
1099 for (i=2, len=0 ; i<argc ; i+=1)
1100 len += strlen (argv[i]) + 1;
1101 cmdline = malloc (len);
1102
1103 for (i=2, len=0 ; i<argc ; i+=1) {
1104 if (i > 2)
1105 cmdline[len++] = ' ';
1106 strcpy (&cmdline[len], argv[i]);
1107 len += strlen (argv[i]);
1108 }
1109 } else if ((cmdline = getenv("bootargs")) == NULL) {
1110 cmdline = "";
1111 }
1112
1113 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
1114
1115 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1116 (ulong)loader);
1117
1118 SHOW_BOOT_PROGRESS (15);
1119
1120 /*
1121 * NetBSD Stage-2 Loader Parameters:
1122 * r3: ptr to board info data
1123 * r4: image address
1124 * r5: console device
1125 * r6: boot args string
1126 */
1127 (*loader) (gd->bd, img_addr, consdev, cmdline);
1128 }
1129
1130 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1131
1132 /* Function that returns a character from the environment */
1133 extern uchar (*env_get_char)(int);
1134
1135 static void
1136 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1137 int argc, char *argv[],
1138 ulong addr,
1139 ulong *len_ptr,
1140 int verify)
1141 {
1142 ulong top;
1143 char *s, *cmdline;
1144 char **fwenv, **ss;
1145 int i, j, nxt, len, envno, envsz;
1146 bd_t *kbd;
1147 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1148 image_header_t *hdr = &header;
1149
1150 /*
1151 * Booting an ARTOS kernel image + application
1152 */
1153
1154 /* this used to be the top of memory, but was wrong... */
1155 #ifdef CONFIG_PPC
1156 /* get stack pointer */
1157 asm volatile ("mr %0,1" : "=r"(top) );
1158 #endif
1159 debug ("## Current stack ends at 0x%08lX ", top);
1160
1161 top -= 2048; /* just to be sure */
1162 if (top > CFG_BOOTMAPSZ)
1163 top = CFG_BOOTMAPSZ;
1164 top &= ~0xF;
1165
1166 debug ("=> set upper limit to 0x%08lX\n", top);
1167
1168 /* first check the artos specific boot args, then the linux args*/
1169 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
1170 s = "";
1171
1172 /* get length of cmdline, and place it */
1173 len = strlen(s);
1174 top = (top - (len + 1)) & ~0xF;
1175 cmdline = (char *)top;
1176 debug ("## cmdline at 0x%08lX ", top);
1177 strcpy(cmdline, s);
1178
1179 /* copy bdinfo */
1180 top = (top - sizeof(bd_t)) & ~0xF;
1181 debug ("## bd at 0x%08lX ", top);
1182 kbd = (bd_t *)top;
1183 memcpy(kbd, gd->bd, sizeof(bd_t));
1184
1185 /* first find number of env entries, and their size */
1186 envno = 0;
1187 envsz = 0;
1188 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1189 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1190 ;
1191 envno++;
1192 envsz += (nxt - i) + 1; /* plus trailing zero */
1193 }
1194 envno++; /* plus the terminating zero */
1195 debug ("## %u envvars total size %u ", envno, envsz);
1196
1197 top = (top - sizeof(char **)*envno) & ~0xF;
1198 fwenv = (char **)top;
1199 debug ("## fwenv at 0x%08lX ", top);
1200
1201 top = (top - envsz) & ~0xF;
1202 s = (char *)top;
1203 ss = fwenv;
1204
1205 /* now copy them */
1206 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1207 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1208 ;
1209 *ss++ = s;
1210 for (j = i; j < nxt; ++j)
1211 *s++ = env_get_char(j);
1212 *s++ = '\0';
1213 }
1214 *ss++ = NULL; /* terminate */
1215
1216 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1217 (*entry)(kbd, cmdline, fwenv, top);
1218 }
1219 #endif
1220
1221
1222 #if defined(CONFIG_CMD_BOOTD)
1223 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1224 {
1225 int rcode = 0;
1226 #ifndef CFG_HUSH_PARSER
1227 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1228 #else
1229 if (parse_string_outer(getenv("bootcmd"),
1230 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1231 #endif
1232 return rcode;
1233 }
1234
1235 U_BOOT_CMD(
1236 boot, 1, 1, do_bootd,
1237 "boot - boot default, i.e., run 'bootcmd'\n",
1238 NULL
1239 );
1240
1241 /* keep old command name "bootd" for backward compatibility */
1242 U_BOOT_CMD(
1243 bootd, 1, 1, do_bootd,
1244 "bootd - boot default, i.e., run 'bootcmd'\n",
1245 NULL
1246 );
1247
1248 #endif
1249
1250 #if defined(CONFIG_CMD_IMI)
1251 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1252 {
1253 int arg;
1254 ulong addr;
1255 int rcode=0;
1256
1257 if (argc < 2) {
1258 return image_info (load_addr);
1259 }
1260
1261 for (arg=1; arg <argc; ++arg) {
1262 addr = simple_strtoul(argv[arg], NULL, 16);
1263 if (image_info (addr) != 0) rcode = 1;
1264 }
1265 return rcode;
1266 }
1267
1268 static int image_info (ulong addr)
1269 {
1270 ulong data, len, checksum;
1271 image_header_t *hdr = &header;
1272
1273 printf ("\n## Checking Image at %08lx ...\n", addr);
1274
1275 /* Copy header so we can blank CRC field for re-calculation */
1276 memmove (&header, (char *)addr, sizeof(image_header_t));
1277
1278 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1279 puts (" Bad Magic Number\n");
1280 return 1;
1281 }
1282
1283 data = (ulong)&header;
1284 len = sizeof(image_header_t);
1285
1286 checksum = ntohl(hdr->ih_hcrc);
1287 hdr->ih_hcrc = 0;
1288
1289 if (crc32 (0, (uchar *)data, len) != checksum) {
1290 puts (" Bad Header Checksum\n");
1291 return 1;
1292 }
1293
1294 /* for multi-file images we need the data part, too */
1295 print_image_hdr ((image_header_t *)addr);
1296
1297 data = addr + sizeof(image_header_t);
1298 len = ntohl(hdr->ih_size);
1299
1300 puts (" Verifying Checksum ... ");
1301 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1302 puts (" Bad Data CRC\n");
1303 return 1;
1304 }
1305 puts ("OK\n");
1306 return 0;
1307 }
1308
1309 U_BOOT_CMD(
1310 iminfo, CFG_MAXARGS, 1, do_iminfo,
1311 "iminfo - print header information for application image\n",
1312 "addr [addr ...]\n"
1313 " - print header information for application image starting at\n"
1314 " address 'addr' in memory; this includes verification of the\n"
1315 " image contents (magic number, header and payload checksums)\n"
1316 );
1317
1318 #endif /* CFG_CMD_IMI */
1319
1320 #if defined(CONFIG_CMD_IMLS)
1321 /*-----------------------------------------------------------------------
1322 * List all images found in flash.
1323 */
1324 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1325 {
1326 flash_info_t *info;
1327 int i, j;
1328 image_header_t *hdr;
1329 ulong data, len, checksum;
1330
1331 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1332 if (info->flash_id == FLASH_UNKNOWN)
1333 goto next_bank;
1334 for (j=0; j<info->sector_count; ++j) {
1335
1336 if (!(hdr=(image_header_t *)info->start[j]) ||
1337 (ntohl(hdr->ih_magic) != IH_MAGIC))
1338 goto next_sector;
1339
1340 /* Copy header so we can blank CRC field for re-calculation */
1341 memmove (&header, (char *)hdr, sizeof(image_header_t));
1342
1343 checksum = ntohl(header.ih_hcrc);
1344 header.ih_hcrc = 0;
1345
1346 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1347 != checksum)
1348 goto next_sector;
1349
1350 printf ("Image at %08lX:\n", (ulong)hdr);
1351 print_image_hdr( hdr );
1352
1353 data = (ulong)hdr + sizeof(image_header_t);
1354 len = ntohl(hdr->ih_size);
1355
1356 puts (" Verifying Checksum ... ");
1357 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1358 puts (" Bad Data CRC\n");
1359 }
1360 puts ("OK\n");
1361 next_sector: ;
1362 }
1363 next_bank: ;
1364 }
1365
1366 return (0);
1367 }
1368
1369 U_BOOT_CMD(
1370 imls, 1, 1, do_imls,
1371 "imls - list all images found in flash\n",
1372 "\n"
1373 " - Prints information about all images found at sector\n"
1374 " boundaries in flash.\n"
1375 );
1376 #endif /* CFG_CMD_IMLS */
1377
1378 void
1379 print_image_hdr (image_header_t *hdr)
1380 {
1381 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
1382 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1383 struct rtc_time tm;
1384 #endif
1385
1386 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1387 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
1388 to_tm (timestamp, &tm);
1389 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1390 tm.tm_year, tm.tm_mon, tm.tm_mday,
1391 tm.tm_hour, tm.tm_min, tm.tm_sec);
1392 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1393 puts (" Image Type: "); print_type(hdr);
1394 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1395 print_size (ntohl(hdr->ih_size), "\n");
1396 printf (" Load Address: %08x\n"
1397 " Entry Point: %08x\n",
1398 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1399
1400 if (hdr->ih_type == IH_TYPE_MULTI) {
1401 int i;
1402 ulong len;
1403 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1404
1405 puts (" Contents:\n");
1406 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1407 printf (" Image %d: %8ld Bytes = ", i, len);
1408 print_size (len, "\n");
1409 }
1410 }
1411 }
1412
1413
1414 static void
1415 print_type (image_header_t *hdr)
1416 {
1417 char *os, *arch, *type, *comp;
1418
1419 switch (hdr->ih_os) {
1420 case IH_OS_INVALID: os = "Invalid OS"; break;
1421 case IH_OS_NETBSD: os = "NetBSD"; break;
1422 case IH_OS_LINUX: os = "Linux"; break;
1423 case IH_OS_VXWORKS: os = "VxWorks"; break;
1424 case IH_OS_QNX: os = "QNX"; break;
1425 case IH_OS_U_BOOT: os = "U-Boot"; break;
1426 case IH_OS_RTEMS: os = "RTEMS"; break;
1427 #ifdef CONFIG_ARTOS
1428 case IH_OS_ARTOS: os = "ARTOS"; break;
1429 #endif
1430 #ifdef CONFIG_LYNXKDI
1431 case IH_OS_LYNXOS: os = "LynxOS"; break;
1432 #endif
1433 default: os = "Unknown OS"; break;
1434 }
1435
1436 switch (hdr->ih_arch) {
1437 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1438 case IH_CPU_ALPHA: arch = "Alpha"; break;
1439 case IH_CPU_ARM: arch = "ARM"; break;
1440 case IH_CPU_AVR32: arch = "AVR32"; break;
1441 case IH_CPU_BLACKFIN: arch = "Blackfin"; break;
1442 case IH_CPU_I386: arch = "Intel x86"; break;
1443 case IH_CPU_IA64: arch = "IA64"; break;
1444 case IH_CPU_M68K: arch = "M68K"; break;
1445 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1446 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1447 case IH_CPU_MIPS: arch = "MIPS"; break;
1448 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1449 case IH_CPU_NIOS: arch = "Nios"; break;
1450 case IH_CPU_PPC: arch = "PowerPC"; break;
1451 case IH_CPU_S390: arch = "IBM S390"; break;
1452 case IH_CPU_SH: arch = "SuperH"; break;
1453 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1454 case IH_CPU_SPARC: arch = "SPARC"; break;
1455 default: arch = "Unknown Architecture"; break;
1456 }
1457
1458 switch (hdr->ih_type) {
1459 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1460 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1461 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1462 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1463 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1464 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1465 case IH_TYPE_SCRIPT: type = "Script"; break;
1466 case IH_TYPE_FLATDT: type = "Flat Device Tree"; break;
1467 default: type = "Unknown Image"; break;
1468 }
1469
1470 switch (hdr->ih_comp) {
1471 case IH_COMP_NONE: comp = "uncompressed"; break;
1472 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1473 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1474 default: comp = "unknown compression"; break;
1475 }
1476
1477 printf ("%s %s %s (%s)", arch, os, type, comp);
1478 }
1479
1480 #define ZALLOC_ALIGNMENT 16
1481
1482 static void *zalloc(void *x, unsigned items, unsigned size)
1483 {
1484 void *p;
1485
1486 size *= items;
1487 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1488
1489 p = malloc (size);
1490
1491 return (p);
1492 }
1493
1494 static void zfree(void *x, void *addr, unsigned nb)
1495 {
1496 free (addr);
1497 }
1498
1499 #define HEAD_CRC 2
1500 #define EXTRA_FIELD 4
1501 #define ORIG_NAME 8
1502 #define COMMENT 0x10
1503 #define RESERVED 0xe0
1504
1505 #define DEFLATED 8
1506
1507 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1508 {
1509 z_stream s;
1510 int r, i, flags;
1511
1512 /* skip header */
1513 i = 10;
1514 flags = src[3];
1515 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1516 puts ("Error: Bad gzipped data\n");
1517 return (-1);
1518 }
1519 if ((flags & EXTRA_FIELD) != 0)
1520 i = 12 + src[10] + (src[11] << 8);
1521 if ((flags & ORIG_NAME) != 0)
1522 while (src[i++] != 0)
1523 ;
1524 if ((flags & COMMENT) != 0)
1525 while (src[i++] != 0)
1526 ;
1527 if ((flags & HEAD_CRC) != 0)
1528 i += 2;
1529 if (i >= *lenp) {
1530 puts ("Error: gunzip out of data in header\n");
1531 return (-1);
1532 }
1533
1534 s.zalloc = zalloc;
1535 s.zfree = zfree;
1536 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1537 s.outcb = (cb_func)WATCHDOG_RESET;
1538 #else
1539 s.outcb = Z_NULL;
1540 #endif /* CONFIG_HW_WATCHDOG */
1541
1542 r = inflateInit2(&s, -MAX_WBITS);
1543 if (r != Z_OK) {
1544 printf ("Error: inflateInit2() returned %d\n", r);
1545 return (-1);
1546 }
1547 s.next_in = src + i;
1548 s.avail_in = *lenp - i;
1549 s.next_out = dst;
1550 s.avail_out = dstlen;
1551 r = inflate(&s, Z_FINISH);
1552 if (r != Z_OK && r != Z_STREAM_END) {
1553 printf ("Error: inflate() returned %d\n", r);
1554 return (-1);
1555 }
1556 *lenp = s.next_out - (unsigned char *) dst;
1557 inflateEnd(&s);
1558
1559 return (0);
1560 }
1561
1562 #ifdef CONFIG_BZIP2
1563 void bz_internal_error(int errcode)
1564 {
1565 printf ("BZIP2 internal error %d\n", errcode);
1566 }
1567 #endif /* CONFIG_BZIP2 */
1568
1569 static void
1570 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1571 ulong addr, ulong *len_ptr, int verify)
1572 {
1573 image_header_t *hdr = &header;
1574 void (*entry_point)(bd_t *);
1575
1576 entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
1577
1578 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1579 (ulong)entry_point);
1580
1581 SHOW_BOOT_PROGRESS (15);
1582
1583 /*
1584 * RTEMS Parameters:
1585 * r3: ptr to board info data
1586 */
1587
1588 (*entry_point ) ( gd->bd );
1589 }
1590
1591 #if defined(CONFIG_CMD_ELF)
1592 static void
1593 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1594 ulong addr, ulong *len_ptr, int verify)
1595 {
1596 image_header_t *hdr = &header;
1597 char str[80];
1598
1599 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1600 setenv("loadaddr", str);
1601 do_bootvx(cmdtp, 0, 0, NULL);
1602 }
1603
1604 static void
1605 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1606 ulong addr, ulong *len_ptr, int verify)
1607 {
1608 image_header_t *hdr = &header;
1609 char *local_args[2];
1610 char str[16];
1611
1612 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1613 local_args[0] = argv[0];
1614 local_args[1] = str; /* and provide it via the arguments */
1615 do_bootelf(cmdtp, 0, 2, local_args);
1616 }
1617 #endif /* CFG_CMD_ELF */
1618
1619 #ifdef CONFIG_LYNXKDI
1620 static void
1621 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1622 int argc, char *argv[],
1623 ulong addr,
1624 ulong *len_ptr,
1625 int verify)
1626 {
1627 lynxkdi_boot( &header );
1628 }
1629
1630 #endif /* CONFIG_LYNXKDI */
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