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Code cleanup.
[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 #ifdef CONFIG_OF_FLAT_TREE
38 #include <ft_build.h>
39 #endif
40
41 DECLARE_GLOBAL_DATA_PTR;
42
43 /*cmd_boot.c*/
44 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
45
46 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
47 #include <rtc.h>
48 #endif
49
50 #ifdef CFG_HUSH_PARSER
51 #include <hush.h>
52 #endif
53
54 #ifdef CONFIG_SHOW_BOOT_PROGRESS
55 # include <status_led.h>
56 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
57 #else
58 # define SHOW_BOOT_PROGRESS(arg)
59 #endif
60
61 #ifdef CFG_INIT_RAM_LOCK
62 #include <asm/cache.h>
63 #endif
64
65 #ifdef CONFIG_LOGBUFFER
66 #include <logbuff.h>
67 #endif
68
69 #ifdef CONFIG_HAS_DATAFLASH
70 #include <dataflash.h>
71 #endif
72
73 /*
74 * Some systems (for example LWMON) have very short watchdog periods;
75 * we must make sure to split long operations like memmove() or
76 * crc32() into reasonable chunks.
77 */
78 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
79 # define CHUNKSZ (64 * 1024)
80 #endif
81
82 int gunzip (void *, int, unsigned char *, unsigned long *);
83
84 static void *zalloc(void *, unsigned, unsigned);
85 static void zfree(void *, void *, unsigned);
86
87 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
88 static int image_info (unsigned long addr);
89 #endif
90
91 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
92 #include <flash.h>
93 extern flash_info_t flash_info[]; /* info for FLASH chips */
94 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
95 #endif
96
97 static void print_type (image_header_t *hdr);
98
99 #ifdef __I386__
100 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
101 #endif
102
103 /*
104 * Continue booting an OS image; caller already has:
105 * - copied image header to global variable `header'
106 * - checked header magic number, checksums (both header & image),
107 * - verified image architecture (PPC) and type (KERNEL or MULTI),
108 * - loaded (first part of) image to header load address,
109 * - disabled interrupts.
110 */
111 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
112 int argc, char *argv[],
113 ulong addr, /* of image to boot */
114 ulong *len_ptr, /* multi-file image length table */
115 int verify); /* getenv("verify")[0] != 'n' */
116
117 #ifdef DEBUG
118 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
119 #endif
120
121 #ifdef CONFIG_PPC
122 static boot_os_Fcn do_bootm_linux;
123 #else
124 extern boot_os_Fcn do_bootm_linux;
125 #endif
126 #ifdef CONFIG_SILENT_CONSOLE
127 static void fixup_silent_linux (void);
128 #endif
129 static boot_os_Fcn do_bootm_netbsd;
130 static boot_os_Fcn do_bootm_rtems;
131 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
132 static boot_os_Fcn do_bootm_vxworks;
133 static boot_os_Fcn do_bootm_qnxelf;
134 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
135 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
136 #endif /* CFG_CMD_ELF */
137 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
138 static boot_os_Fcn do_bootm_artos;
139 #endif
140 #ifdef CONFIG_LYNXKDI
141 static boot_os_Fcn do_bootm_lynxkdi;
142 extern void lynxkdi_boot( image_header_t * );
143 #endif
144
145 #ifndef CFG_BOOTM_LEN
146 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
147 #endif
148
149 image_header_t header;
150
151 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
152
153 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
154 {
155 ulong iflag;
156 ulong addr;
157 ulong data, len, checksum;
158 ulong *len_ptr;
159 uint unc_len = CFG_BOOTM_LEN;
160 int i, verify;
161 char *name, *s;
162 int (*appl)(int, char *[]);
163 image_header_t *hdr = &header;
164
165 s = getenv ("verify");
166 verify = (s && (*s == 'n')) ? 0 : 1;
167
168 if (argc < 2) {
169 addr = load_addr;
170 } else {
171 addr = simple_strtoul(argv[1], NULL, 16);
172 }
173
174 SHOW_BOOT_PROGRESS (1);
175 printf ("## Booting image at %08lx ...\n", addr);
176
177 /* Copy header so we can blank CRC field for re-calculation */
178 #ifdef CONFIG_HAS_DATAFLASH
179 if (addr_dataflash(addr)){
180 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
181 } else
182 #endif
183 memmove (&header, (char *)addr, sizeof(image_header_t));
184
185 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
186 #ifdef __I386__ /* correct image format not implemented yet - fake it */
187 if (fake_header(hdr, (void*)addr, -1) != NULL) {
188 /* to compensate for the addition below */
189 addr -= sizeof(image_header_t);
190 /* turnof verify,
191 * fake_header() does not fake the data crc
192 */
193 verify = 0;
194 } else
195 #endif /* __I386__ */
196 {
197 puts ("Bad Magic Number\n");
198 SHOW_BOOT_PROGRESS (-1);
199 return 1;
200 }
201 }
202 SHOW_BOOT_PROGRESS (2);
203
204 data = (ulong)&header;
205 len = sizeof(image_header_t);
206
207 checksum = ntohl(hdr->ih_hcrc);
208 hdr->ih_hcrc = 0;
209
210 if (crc32 (0, (uchar *)data, len) != checksum) {
211 puts ("Bad Header Checksum\n");
212 SHOW_BOOT_PROGRESS (-2);
213 return 1;
214 }
215 SHOW_BOOT_PROGRESS (3);
216
217 #ifdef CONFIG_HAS_DATAFLASH
218 if (addr_dataflash(addr)){
219 len = ntohl(hdr->ih_size) + sizeof(image_header_t);
220 read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
221 addr = CFG_LOAD_ADDR;
222 }
223 #endif
224
225
226 /* for multi-file images we need the data part, too */
227 print_image_hdr ((image_header_t *)addr);
228
229 data = addr + sizeof(image_header_t);
230 len = ntohl(hdr->ih_size);
231
232 if (verify) {
233 puts (" Verifying Checksum ... ");
234 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
235 printf ("Bad Data CRC\n");
236 SHOW_BOOT_PROGRESS (-3);
237 return 1;
238 }
239 puts ("OK\n");
240 }
241 SHOW_BOOT_PROGRESS (4);
242
243 len_ptr = (ulong *)data;
244
245 #if defined(__PPC__)
246 if (hdr->ih_arch != IH_CPU_PPC)
247 #elif defined(__ARM__)
248 if (hdr->ih_arch != IH_CPU_ARM)
249 #elif defined(__I386__)
250 if (hdr->ih_arch != IH_CPU_I386)
251 #elif defined(__mips__)
252 if (hdr->ih_arch != IH_CPU_MIPS)
253 #elif defined(__nios__)
254 if (hdr->ih_arch != IH_CPU_NIOS)
255 #elif defined(__M68K__)
256 if (hdr->ih_arch != IH_CPU_M68K)
257 #elif defined(__microblaze__)
258 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
259 #elif defined(__nios2__)
260 if (hdr->ih_arch != IH_CPU_NIOS2)
261 #elif defined(__blackfin__)
262 if (hdr->ih_arch != IH_CPU_BLACKFIN)
263 #elif defined(__avr32__)
264 if (hdr->ih_arch != IH_CPU_AVR32)
265 #else
266 # error Unknown CPU type
267 #endif
268 {
269 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
270 SHOW_BOOT_PROGRESS (-4);
271 return 1;
272 }
273 SHOW_BOOT_PROGRESS (5);
274
275 switch (hdr->ih_type) {
276 case IH_TYPE_STANDALONE:
277 name = "Standalone Application";
278 /* A second argument overwrites the load address */
279 if (argc > 2) {
280 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
281 }
282 break;
283 case IH_TYPE_KERNEL:
284 name = "Kernel Image";
285 break;
286 case IH_TYPE_MULTI:
287 name = "Multi-File Image";
288 len = ntohl(len_ptr[0]);
289 /* OS kernel is always the first image */
290 data += 8; /* kernel_len + terminator */
291 for (i=1; len_ptr[i]; ++i)
292 data += 4;
293 break;
294 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
295 SHOW_BOOT_PROGRESS (-5);
296 return 1;
297 }
298 SHOW_BOOT_PROGRESS (6);
299
300 /*
301 * We have reached the point of no return: we are going to
302 * overwrite all exception vector code, so we cannot easily
303 * recover from any failures any more...
304 */
305
306 iflag = disable_interrupts();
307
308 #ifdef CONFIG_AMIGAONEG3SE
309 /*
310 * We've possible left the caches enabled during
311 * bios emulation, so turn them off again
312 */
313 icache_disable();
314 invalidate_l1_instruction_cache();
315 flush_data_cache();
316 dcache_disable();
317 #endif
318
319 switch (hdr->ih_comp) {
320 case IH_COMP_NONE:
321 if(ntohl(hdr->ih_load) == addr) {
322 printf (" XIP %s ... ", name);
323 } else {
324 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
325 size_t l = len;
326 void *to = (void *)ntohl(hdr->ih_load);
327 void *from = (void *)data;
328
329 printf (" Loading %s ... ", name);
330
331 while (l > 0) {
332 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
333 WATCHDOG_RESET();
334 memmove (to, from, tail);
335 to += tail;
336 from += tail;
337 l -= tail;
338 }
339 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
340 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
341 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
342 }
343 break;
344 case IH_COMP_GZIP:
345 printf (" Uncompressing %s ... ", name);
346 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
347 (uchar *)data, &len) != 0) {
348 puts ("GUNZIP ERROR - must RESET board to recover\n");
349 SHOW_BOOT_PROGRESS (-6);
350 do_reset (cmdtp, flag, argc, argv);
351 }
352 break;
353 #ifdef CONFIG_BZIP2
354 case IH_COMP_BZIP2:
355 printf (" Uncompressing %s ... ", name);
356 /*
357 * If we've got less than 4 MB of malloc() space,
358 * use slower decompression algorithm which requires
359 * at most 2300 KB of memory.
360 */
361 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
362 &unc_len, (char *)data, len,
363 CFG_MALLOC_LEN < (4096 * 1024), 0);
364 if (i != BZ_OK) {
365 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
366 SHOW_BOOT_PROGRESS (-6);
367 udelay(100000);
368 do_reset (cmdtp, flag, argc, argv);
369 }
370 break;
371 #endif /* CONFIG_BZIP2 */
372 default:
373 if (iflag)
374 enable_interrupts();
375 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
376 SHOW_BOOT_PROGRESS (-7);
377 return 1;
378 }
379 puts ("OK\n");
380 SHOW_BOOT_PROGRESS (7);
381
382 switch (hdr->ih_type) {
383 case IH_TYPE_STANDALONE:
384 if (iflag)
385 enable_interrupts();
386
387 /* load (and uncompress), but don't start if "autostart"
388 * is set to "no"
389 */
390 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
391 char buf[32];
392 sprintf(buf, "%lX", len);
393 setenv("filesize", buf);
394 return 0;
395 }
396 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
397 (*appl)(argc-1, &argv[1]);
398 return 0;
399 case IH_TYPE_KERNEL:
400 case IH_TYPE_MULTI:
401 /* handled below */
402 break;
403 default:
404 if (iflag)
405 enable_interrupts();
406 printf ("Can't boot image type %d\n", hdr->ih_type);
407 SHOW_BOOT_PROGRESS (-8);
408 return 1;
409 }
410 SHOW_BOOT_PROGRESS (8);
411
412 switch (hdr->ih_os) {
413 default: /* handled by (original) Linux case */
414 case IH_OS_LINUX:
415 #ifdef CONFIG_SILENT_CONSOLE
416 fixup_silent_linux();
417 #endif
418 do_bootm_linux (cmdtp, flag, argc, argv,
419 addr, len_ptr, verify);
420 break;
421 case IH_OS_NETBSD:
422 do_bootm_netbsd (cmdtp, flag, argc, argv,
423 addr, len_ptr, verify);
424 break;
425
426 #ifdef CONFIG_LYNXKDI
427 case IH_OS_LYNXOS:
428 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
429 addr, len_ptr, verify);
430 break;
431 #endif
432
433 case IH_OS_RTEMS:
434 do_bootm_rtems (cmdtp, flag, argc, argv,
435 addr, len_ptr, verify);
436 break;
437
438 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
439 case IH_OS_VXWORKS:
440 do_bootm_vxworks (cmdtp, flag, argc, argv,
441 addr, len_ptr, verify);
442 break;
443 case IH_OS_QNX:
444 do_bootm_qnxelf (cmdtp, flag, argc, argv,
445 addr, len_ptr, verify);
446 break;
447 #endif /* CFG_CMD_ELF */
448 #ifdef CONFIG_ARTOS
449 case IH_OS_ARTOS:
450 do_bootm_artos (cmdtp, flag, argc, argv,
451 addr, len_ptr, verify);
452 break;
453 #endif
454 }
455
456 SHOW_BOOT_PROGRESS (-9);
457 #ifdef DEBUG
458 puts ("\n## Control returned to monitor - resetting...\n");
459 do_reset (cmdtp, flag, argc, argv);
460 #endif
461 return 1;
462 }
463
464 U_BOOT_CMD(
465 bootm, CFG_MAXARGS, 1, do_bootm,
466 "bootm - boot application image from memory\n",
467 "[addr [arg ...]]\n - boot application image stored in memory\n"
468 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
469 "\t'arg' can be the address of an initrd image\n"
470 #ifdef CONFIG_OF_FLAT_TREE
471 "\tWhen booting a Linux kernel which requires a flat device-tree\n"
472 "\ta third argument is required which is the address of the of the\n"
473 "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
474 "\tuse a '-' for the second argument. If you do not pass a third\n"
475 "\ta bd_info struct will be passed instead\n"
476 #endif
477 );
478
479 #ifdef CONFIG_SILENT_CONSOLE
480 static void
481 fixup_silent_linux ()
482 {
483 char buf[256], *start, *end;
484 char *cmdline = getenv ("bootargs");
485
486 /* Only fix cmdline when requested */
487 if (!(gd->flags & GD_FLG_SILENT))
488 return;
489
490 debug ("before silent fix-up: %s\n", cmdline);
491 if (cmdline) {
492 if ((start = strstr (cmdline, "console=")) != NULL) {
493 end = strchr (start, ' ');
494 strncpy (buf, cmdline, (start - cmdline + 8));
495 if (end)
496 strcpy (buf + (start - cmdline + 8), end);
497 else
498 buf[start - cmdline + 8] = '\0';
499 } else {
500 strcpy (buf, cmdline);
501 strcat (buf, " console=");
502 }
503 } else {
504 strcpy (buf, "console=");
505 }
506
507 setenv ("bootargs", buf);
508 debug ("after silent fix-up: %s\n", buf);
509 }
510 #endif /* CONFIG_SILENT_CONSOLE */
511
512 #ifdef CONFIG_PPC
513 static void __attribute__((noinline))
514 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
515 int argc, char *argv[],
516 ulong addr,
517 ulong *len_ptr,
518 int verify)
519 {
520 ulong sp;
521 ulong len, checksum;
522 ulong initrd_start, initrd_end;
523 ulong cmd_start, cmd_end;
524 ulong initrd_high;
525 ulong data;
526 int initrd_copy_to_ram = 1;
527 char *cmdline;
528 char *s;
529 bd_t *kbd;
530 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
531 image_header_t *hdr = &header;
532 #ifdef CONFIG_OF_FLAT_TREE
533 char *of_flat_tree = NULL;
534 ulong of_data = 0;
535 #endif
536
537 if ((s = getenv ("initrd_high")) != NULL) {
538 /* a value of "no" or a similar string will act like 0,
539 * turning the "load high" feature off. This is intentional.
540 */
541 initrd_high = simple_strtoul(s, NULL, 16);
542 if (initrd_high == ~0)
543 initrd_copy_to_ram = 0;
544 } else { /* not set, no restrictions to load high */
545 initrd_high = ~0;
546 }
547
548 #ifdef CONFIG_LOGBUFFER
549 kbd=gd->bd;
550 /* Prevent initrd from overwriting logbuffer */
551 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
552 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
553 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
554 #endif
555
556 /*
557 * Booting a (Linux) kernel image
558 *
559 * Allocate space for command line and board info - the
560 * address should be as high as possible within the reach of
561 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
562 * memory, which means far enough below the current stack
563 * pointer.
564 */
565
566 asm( "mr %0,1": "=r"(sp) : );
567
568 debug ("## Current stack ends at 0x%08lX ", sp);
569
570 sp -= 2048; /* just to be sure */
571 if (sp > CFG_BOOTMAPSZ)
572 sp = CFG_BOOTMAPSZ;
573 sp &= ~0xF;
574
575 debug ("=> set upper limit to 0x%08lX\n", sp);
576
577 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
578 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
579
580 if ((s = getenv("bootargs")) == NULL)
581 s = "";
582
583 strcpy (cmdline, s);
584
585 cmd_start = (ulong)&cmdline[0];
586 cmd_end = cmd_start + strlen(cmdline);
587
588 *kbd = *(gd->bd);
589
590 #ifdef DEBUG
591 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
592
593 do_bdinfo (NULL, 0, 0, NULL);
594 #endif
595
596 if ((s = getenv ("clocks_in_mhz")) != NULL) {
597 /* convert all clock information to MHz */
598 kbd->bi_intfreq /= 1000000L;
599 kbd->bi_busfreq /= 1000000L;
600 #if defined(CONFIG_MPC8220)
601 kbd->bi_inpfreq /= 1000000L;
602 kbd->bi_pcifreq /= 1000000L;
603 kbd->bi_pevfreq /= 1000000L;
604 kbd->bi_flbfreq /= 1000000L;
605 kbd->bi_vcofreq /= 1000000L;
606 #endif
607 #if defined(CONFIG_CPM2)
608 kbd->bi_cpmfreq /= 1000000L;
609 kbd->bi_brgfreq /= 1000000L;
610 kbd->bi_sccfreq /= 1000000L;
611 kbd->bi_vco /= 1000000L;
612 #endif
613 #if defined(CONFIG_MPC5xxx)
614 kbd->bi_ipbfreq /= 1000000L;
615 kbd->bi_pcifreq /= 1000000L;
616 #endif /* CONFIG_MPC5xxx */
617 }
618
619 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
620
621 /*
622 * Check if there is an initrd image
623 */
624
625 #ifdef CONFIG_OF_FLAT_TREE
626 /* Look for a '-' which indicates to ignore the ramdisk argument */
627 if (argc >= 3 && strcmp(argv[2], "-") == 0) {
628 debug ("Skipping initrd\n");
629 len = data = 0;
630 }
631 else
632 #endif
633 if (argc >= 3) {
634 debug ("Not skipping initrd\n");
635 SHOW_BOOT_PROGRESS (9);
636
637 addr = simple_strtoul(argv[2], NULL, 16);
638
639 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
640
641 /* Copy header so we can blank CRC field for re-calculation */
642 memmove (&header, (char *)addr, sizeof(image_header_t));
643
644 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
645 puts ("Bad Magic Number\n");
646 SHOW_BOOT_PROGRESS (-10);
647 do_reset (cmdtp, flag, argc, argv);
648 }
649
650 data = (ulong)&header;
651 len = sizeof(image_header_t);
652
653 checksum = ntohl(hdr->ih_hcrc);
654 hdr->ih_hcrc = 0;
655
656 if (crc32 (0, (uchar *)data, len) != checksum) {
657 puts ("Bad Header Checksum\n");
658 SHOW_BOOT_PROGRESS (-11);
659 do_reset (cmdtp, flag, argc, argv);
660 }
661
662 SHOW_BOOT_PROGRESS (10);
663
664 print_image_hdr (hdr);
665
666 data = addr + sizeof(image_header_t);
667 len = ntohl(hdr->ih_size);
668
669 if (verify) {
670 ulong csum = 0;
671 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
672 ulong cdata = data, edata = cdata + len;
673 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
674
675 puts (" Verifying Checksum ... ");
676
677 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
678
679 while (cdata < edata) {
680 ulong chunk = edata - cdata;
681
682 if (chunk > CHUNKSZ)
683 chunk = CHUNKSZ;
684 csum = crc32 (csum, (uchar *)cdata, chunk);
685 cdata += chunk;
686
687 WATCHDOG_RESET();
688 }
689 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
690 csum = crc32 (0, (uchar *)data, len);
691 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
692
693 if (csum != ntohl(hdr->ih_dcrc)) {
694 puts ("Bad Data CRC\n");
695 SHOW_BOOT_PROGRESS (-12);
696 do_reset (cmdtp, flag, argc, argv);
697 }
698 puts ("OK\n");
699 }
700
701 SHOW_BOOT_PROGRESS (11);
702
703 if ((hdr->ih_os != IH_OS_LINUX) ||
704 (hdr->ih_arch != IH_CPU_PPC) ||
705 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
706 puts ("No Linux PPC Ramdisk Image\n");
707 SHOW_BOOT_PROGRESS (-13);
708 do_reset (cmdtp, flag, argc, argv);
709 }
710
711 /*
712 * Now check if we have a multifile image
713 */
714 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
715 u_long tail = ntohl(len_ptr[0]) % 4;
716 int i;
717
718 SHOW_BOOT_PROGRESS (13);
719
720 /* skip kernel length and terminator */
721 data = (ulong)(&len_ptr[2]);
722 /* skip any additional image length fields */
723 for (i=1; len_ptr[i]; ++i)
724 data += 4;
725 /* add kernel length, and align */
726 data += ntohl(len_ptr[0]);
727 if (tail) {
728 data += 4 - tail;
729 }
730
731 len = ntohl(len_ptr[1]);
732
733 } else {
734 /*
735 * no initrd image
736 */
737 SHOW_BOOT_PROGRESS (14);
738
739 len = data = 0;
740 }
741
742 #ifdef CONFIG_OF_FLAT_TREE
743 if(argc > 3) {
744 of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
745 hdr = (image_header_t *)of_flat_tree;
746
747 if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
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 Image 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 printf ("ERROR: Load address overwrites Flat Device Tree uImage\n");
759 return;
760 }
761
762 printf(" Verifying Checksum ... ");
763 memmove (&header, (char *)hdr, sizeof(image_header_t));
764 checksum = ntohl(header.ih_hcrc);
765 header.ih_hcrc = 0;
766
767 if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) {
768 printf("ERROR: Flat Device Tree header checksum is invalid\n");
769 return;
770 }
771
772 checksum = ntohl(hdr->ih_dcrc);
773 addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
774 len = ntohl(hdr->ih_size);
775
776 if(checksum != crc32(0, (uchar *)addr, len)) {
777 printf("ERROR: Flat Device Tree checksum is invalid\n");
778 return;
779 }
780 printf("OK\n");
781
782 if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
783 printf ("ERROR: uImage not Flat Device Tree type\n");
784 return;
785 }
786 if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
787 printf("ERROR: uImage is not uncompressed\n");
788 return;
789 }
790 if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
791 printf ("ERROR: uImage data is not a flat device tree\n");
792 return;
793 }
794
795 memmove((void *)ntohl(hdr->ih_load),
796 (void *)(of_flat_tree + sizeof(image_header_t)),
797 ntohl(hdr->ih_size));
798 of_flat_tree = (char *)ntohl(hdr->ih_load);
799 } else {
800 printf ("Did not find a flat flat device tree at address %08lX\n", of_flat_tree);
801 return;
802 }
803 printf (" Booting using flat device tree at 0x%x\n",
804 of_flat_tree);
805 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
806 u_long tail = ntohl(len_ptr[0]) % 4;
807 int i;
808
809 /* skip kernel length, initrd length, and terminator */
810 of_data = (ulong)(&len_ptr[3]);
811 /* skip any additional image length fields */
812 for (i=2; len_ptr[i]; ++i)
813 of_data += 4;
814 /* add kernel length, and align */
815 of_data += ntohl(len_ptr[0]);
816 if (tail) {
817 of_data += 4 - tail;
818 }
819
820 /* add initrd length, and align */
821 tail = ntohl(len_ptr[1]) % 4;
822 of_data += ntohl(len_ptr[1]);
823 if (tail) {
824 of_data += 4 - tail;
825 }
826
827 if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
828 printf ("ERROR: image is not a flat device tree\n");
829 return;
830 }
831
832 if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
833 printf ("ERROR: flat device tree size does not agree with image\n");
834 return;
835 }
836
837 } else if (getenv("disable_of") == NULL) {
838 printf ("ERROR: bootm needs flat device tree as third argument\n");
839 return;
840 }
841 #endif
842 if (!data) {
843 debug ("No initrd\n");
844 }
845
846 if (data) {
847 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
848 initrd_start = data;
849 initrd_end = initrd_start + len;
850 } else {
851 initrd_start = (ulong)kbd - len;
852 initrd_start &= ~(4096 - 1); /* align on page */
853
854 if (initrd_high) {
855 ulong nsp;
856
857 /*
858 * the inital ramdisk does not need to be within
859 * CFG_BOOTMAPSZ as it is not accessed until after
860 * the mm system is initialised.
861 *
862 * do the stack bottom calculation again and see if
863 * the initrd will fit just below the monitor stack
864 * bottom without overwriting the area allocated
865 * above for command line args and board info.
866 */
867 asm( "mr %0,1": "=r"(nsp) : );
868 nsp -= 2048; /* just to be sure */
869 nsp &= ~0xF;
870 if (nsp > initrd_high) /* limit as specified */
871 nsp = initrd_high;
872 nsp -= len;
873 nsp &= ~(4096 - 1); /* align on page */
874 if (nsp >= sp)
875 initrd_start = nsp;
876 }
877
878 SHOW_BOOT_PROGRESS (12);
879
880 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
881 data, data + len - 1, len, len);
882
883 initrd_end = initrd_start + len;
884 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
885 initrd_start, initrd_end);
886 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
887 {
888 size_t l = len;
889 void *to = (void *)initrd_start;
890 void *from = (void *)data;
891
892 while (l > 0) {
893 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
894 WATCHDOG_RESET();
895 memmove (to, from, tail);
896 to += tail;
897 from += tail;
898 l -= tail;
899 }
900 }
901 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
902 memmove ((void *)initrd_start, (void *)data, len);
903 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
904 puts ("OK\n");
905 }
906 } else {
907 initrd_start = 0;
908 initrd_end = 0;
909 }
910
911 debug ("## Transferring control to Linux (at address %08lx) ...\n",
912 (ulong)kernel);
913
914 SHOW_BOOT_PROGRESS (15);
915
916 #ifndef CONFIG_OF_FLAT_TREE
917
918 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
919 unlock_ram_in_cache();
920 #endif
921
922 /*
923 * Linux Kernel Parameters:
924 * r3: ptr to board info data
925 * r4: initrd_start or 0 if no initrd
926 * r5: initrd_end - unused if r4 is 0
927 * r6: Start of command line string
928 * r7: End of command line string
929 */
930 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
931
932 #else /* CONFIG_OF_FLAT_TREE */
933 /* move of_flat_tree if needed */
934 if (of_data) {
935 ulong of_start, of_len;
936 of_len = ((struct boot_param_header *)of_data)->totalsize;
937 /* provide extra 8k pad */
938 if (initrd_start)
939 of_start = initrd_start - of_len - 8192;
940 else
941 of_start = (ulong)kbd - of_len - 8192;
942 of_start &= ~(4096 - 1); /* align on page */
943 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
944 of_data, of_data + of_len - 1, of_len, of_len);
945
946 of_flat_tree = (char *)of_start;
947 printf (" Loading Device Tree to %08lx, end %08lx ... ",
948 of_start, of_start + of_len - 1);
949 memmove ((void *)of_start, (void *)of_data, of_len);
950 }
951
952 ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
953 /* ft_dump_blob(of_flat_tree); */
954
955 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
956 unlock_ram_in_cache();
957 #endif
958 /*
959 * Linux Kernel Parameters:
960 * r3: ptr to OF flat tree, followed by the board info data
961 * r4: physical pointer to the kernel itself
962 * r5: NULL
963 * r6: NULL
964 * r7: NULL
965 */
966 if (getenv("disable_of") != NULL)
967 (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end,
968 cmd_start, cmd_end);
969 else {
970 ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
971 /* ft_dump_blob(of_flat_tree); */
972 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
973 }
974 #endif /* CONFIG_OF_FLAT_TREE */
975 }
976 #endif /* CONFIG_PPC */
977
978 static void
979 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
980 int argc, char *argv[],
981 ulong addr,
982 ulong *len_ptr,
983 int verify)
984 {
985 image_header_t *hdr = &header;
986
987 void (*loader)(bd_t *, image_header_t *, char *, char *);
988 image_header_t *img_addr;
989 char *consdev;
990 char *cmdline;
991
992
993 /*
994 * Booting a (NetBSD) kernel image
995 *
996 * This process is pretty similar to a standalone application:
997 * The (first part of an multi-) image must be a stage-2 loader,
998 * which in turn is responsible for loading & invoking the actual
999 * kernel. The only differences are the parameters being passed:
1000 * besides the board info strucure, the loader expects a command
1001 * line, the name of the console device, and (optionally) the
1002 * address of the original image header.
1003 */
1004
1005 img_addr = 0;
1006 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
1007 img_addr = (image_header_t *) addr;
1008
1009
1010 consdev = "";
1011 #if defined (CONFIG_8xx_CONS_SMC1)
1012 consdev = "smc1";
1013 #elif defined (CONFIG_8xx_CONS_SMC2)
1014 consdev = "smc2";
1015 #elif defined (CONFIG_8xx_CONS_SCC2)
1016 consdev = "scc2";
1017 #elif defined (CONFIG_8xx_CONS_SCC3)
1018 consdev = "scc3";
1019 #endif
1020
1021 if (argc > 2) {
1022 ulong len;
1023 int i;
1024
1025 for (i=2, len=0 ; i<argc ; i+=1)
1026 len += strlen (argv[i]) + 1;
1027 cmdline = malloc (len);
1028
1029 for (i=2, len=0 ; i<argc ; i+=1) {
1030 if (i > 2)
1031 cmdline[len++] = ' ';
1032 strcpy (&cmdline[len], argv[i]);
1033 len += strlen (argv[i]);
1034 }
1035 } else if ((cmdline = getenv("bootargs")) == NULL) {
1036 cmdline = "";
1037 }
1038
1039 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
1040
1041 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1042 (ulong)loader);
1043
1044 SHOW_BOOT_PROGRESS (15);
1045
1046 /*
1047 * NetBSD Stage-2 Loader Parameters:
1048 * r3: ptr to board info data
1049 * r4: image address
1050 * r5: console device
1051 * r6: boot args string
1052 */
1053 (*loader) (gd->bd, img_addr, consdev, cmdline);
1054 }
1055
1056 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1057
1058 /* Function that returns a character from the environment */
1059 extern uchar (*env_get_char)(int);
1060
1061 static void
1062 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1063 int argc, char *argv[],
1064 ulong addr,
1065 ulong *len_ptr,
1066 int verify)
1067 {
1068 ulong top;
1069 char *s, *cmdline;
1070 char **fwenv, **ss;
1071 int i, j, nxt, len, envno, envsz;
1072 bd_t *kbd;
1073 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1074 image_header_t *hdr = &header;
1075
1076 /*
1077 * Booting an ARTOS kernel image + application
1078 */
1079
1080 /* this used to be the top of memory, but was wrong... */
1081 #ifdef CONFIG_PPC
1082 /* get stack pointer */
1083 asm volatile ("mr %0,1" : "=r"(top) );
1084 #endif
1085 debug ("## Current stack ends at 0x%08lX ", top);
1086
1087 top -= 2048; /* just to be sure */
1088 if (top > CFG_BOOTMAPSZ)
1089 top = CFG_BOOTMAPSZ;
1090 top &= ~0xF;
1091
1092 debug ("=> set upper limit to 0x%08lX\n", top);
1093
1094 /* first check the artos specific boot args, then the linux args*/
1095 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
1096 s = "";
1097
1098 /* get length of cmdline, and place it */
1099 len = strlen(s);
1100 top = (top - (len + 1)) & ~0xF;
1101 cmdline = (char *)top;
1102 debug ("## cmdline at 0x%08lX ", top);
1103 strcpy(cmdline, s);
1104
1105 /* copy bdinfo */
1106 top = (top - sizeof(bd_t)) & ~0xF;
1107 debug ("## bd at 0x%08lX ", top);
1108 kbd = (bd_t *)top;
1109 memcpy(kbd, gd->bd, sizeof(bd_t));
1110
1111 /* first find number of env entries, and their size */
1112 envno = 0;
1113 envsz = 0;
1114 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1115 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1116 ;
1117 envno++;
1118 envsz += (nxt - i) + 1; /* plus trailing zero */
1119 }
1120 envno++; /* plus the terminating zero */
1121 debug ("## %u envvars total size %u ", envno, envsz);
1122
1123 top = (top - sizeof(char **)*envno) & ~0xF;
1124 fwenv = (char **)top;
1125 debug ("## fwenv at 0x%08lX ", top);
1126
1127 top = (top - envsz) & ~0xF;
1128 s = (char *)top;
1129 ss = fwenv;
1130
1131 /* now copy them */
1132 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1133 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1134 ;
1135 *ss++ = s;
1136 for (j = i; j < nxt; ++j)
1137 *s++ = env_get_char(j);
1138 *s++ = '\0';
1139 }
1140 *ss++ = NULL; /* terminate */
1141
1142 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1143 (*entry)(kbd, cmdline, fwenv, top);
1144 }
1145 #endif
1146
1147
1148 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1149 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1150 {
1151 int rcode = 0;
1152 #ifndef CFG_HUSH_PARSER
1153 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1154 #else
1155 if (parse_string_outer(getenv("bootcmd"),
1156 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1157 #endif
1158 return rcode;
1159 }
1160
1161 U_BOOT_CMD(
1162 boot, 1, 1, do_bootd,
1163 "boot - boot default, i.e., run 'bootcmd'\n",
1164 NULL
1165 );
1166
1167 /* keep old command name "bootd" for backward compatibility */
1168 U_BOOT_CMD(
1169 bootd, 1, 1, do_bootd,
1170 "bootd - boot default, i.e., run 'bootcmd'\n",
1171 NULL
1172 );
1173
1174 #endif
1175
1176 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1177 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1178 {
1179 int arg;
1180 ulong addr;
1181 int rcode=0;
1182
1183 if (argc < 2) {
1184 return image_info (load_addr);
1185 }
1186
1187 for (arg=1; arg <argc; ++arg) {
1188 addr = simple_strtoul(argv[arg], NULL, 16);
1189 if (image_info (addr) != 0) rcode = 1;
1190 }
1191 return rcode;
1192 }
1193
1194 static int image_info (ulong addr)
1195 {
1196 ulong data, len, checksum;
1197 image_header_t *hdr = &header;
1198
1199 printf ("\n## Checking Image at %08lx ...\n", addr);
1200
1201 /* Copy header so we can blank CRC field for re-calculation */
1202 memmove (&header, (char *)addr, sizeof(image_header_t));
1203
1204 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1205 puts (" Bad Magic Number\n");
1206 return 1;
1207 }
1208
1209 data = (ulong)&header;
1210 len = sizeof(image_header_t);
1211
1212 checksum = ntohl(hdr->ih_hcrc);
1213 hdr->ih_hcrc = 0;
1214
1215 if (crc32 (0, (uchar *)data, len) != checksum) {
1216 puts (" Bad Header Checksum\n");
1217 return 1;
1218 }
1219
1220 /* for multi-file images we need the data part, too */
1221 print_image_hdr ((image_header_t *)addr);
1222
1223 data = addr + sizeof(image_header_t);
1224 len = ntohl(hdr->ih_size);
1225
1226 puts (" Verifying Checksum ... ");
1227 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1228 puts (" Bad Data CRC\n");
1229 return 1;
1230 }
1231 puts ("OK\n");
1232 return 0;
1233 }
1234
1235 U_BOOT_CMD(
1236 iminfo, CFG_MAXARGS, 1, do_iminfo,
1237 "iminfo - print header information for application image\n",
1238 "addr [addr ...]\n"
1239 " - print header information for application image starting at\n"
1240 " address 'addr' in memory; this includes verification of the\n"
1241 " image contents (magic number, header and payload checksums)\n"
1242 );
1243
1244 #endif /* CFG_CMD_IMI */
1245
1246 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1247 /*-----------------------------------------------------------------------
1248 * List all images found in flash.
1249 */
1250 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1251 {
1252 flash_info_t *info;
1253 int i, j;
1254 image_header_t *hdr;
1255 ulong data, len, checksum;
1256
1257 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1258 if (info->flash_id == FLASH_UNKNOWN)
1259 goto next_bank;
1260 for (j=0; j<info->sector_count; ++j) {
1261
1262 if (!(hdr=(image_header_t *)info->start[j]) ||
1263 (ntohl(hdr->ih_magic) != IH_MAGIC))
1264 goto next_sector;
1265
1266 /* Copy header so we can blank CRC field for re-calculation */
1267 memmove (&header, (char *)hdr, sizeof(image_header_t));
1268
1269 checksum = ntohl(header.ih_hcrc);
1270 header.ih_hcrc = 0;
1271
1272 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1273 != checksum)
1274 goto next_sector;
1275
1276 printf ("Image at %08lX:\n", (ulong)hdr);
1277 print_image_hdr( hdr );
1278
1279 data = (ulong)hdr + sizeof(image_header_t);
1280 len = ntohl(hdr->ih_size);
1281
1282 puts (" Verifying Checksum ... ");
1283 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1284 puts (" Bad Data CRC\n");
1285 }
1286 puts ("OK\n");
1287 next_sector: ;
1288 }
1289 next_bank: ;
1290 }
1291
1292 return (0);
1293 }
1294
1295 U_BOOT_CMD(
1296 imls, 1, 1, do_imls,
1297 "imls - list all images found in flash\n",
1298 "\n"
1299 " - Prints information about all images found at sector\n"
1300 " boundaries in flash.\n"
1301 );
1302 #endif /* CFG_CMD_IMLS */
1303
1304 void
1305 print_image_hdr (image_header_t *hdr)
1306 {
1307 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1308 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1309 struct rtc_time tm;
1310 #endif
1311
1312 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1313 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1314 to_tm (timestamp, &tm);
1315 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1316 tm.tm_year, tm.tm_mon, tm.tm_mday,
1317 tm.tm_hour, tm.tm_min, tm.tm_sec);
1318 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1319 puts (" Image Type: "); print_type(hdr);
1320 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1321 print_size (ntohl(hdr->ih_size), "\n");
1322 printf (" Load Address: %08x\n"
1323 " Entry Point: %08x\n",
1324 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1325
1326 if (hdr->ih_type == IH_TYPE_MULTI) {
1327 int i;
1328 ulong len;
1329 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1330
1331 puts (" Contents:\n");
1332 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1333 printf (" Image %d: %8ld Bytes = ", i, len);
1334 print_size (len, "\n");
1335 }
1336 }
1337 }
1338
1339
1340 static void
1341 print_type (image_header_t *hdr)
1342 {
1343 char *os, *arch, *type, *comp;
1344
1345 switch (hdr->ih_os) {
1346 case IH_OS_INVALID: os = "Invalid OS"; break;
1347 case IH_OS_NETBSD: os = "NetBSD"; break;
1348 case IH_OS_LINUX: os = "Linux"; break;
1349 case IH_OS_VXWORKS: os = "VxWorks"; break;
1350 case IH_OS_QNX: os = "QNX"; break;
1351 case IH_OS_U_BOOT: os = "U-Boot"; break;
1352 case IH_OS_RTEMS: os = "RTEMS"; break;
1353 #ifdef CONFIG_ARTOS
1354 case IH_OS_ARTOS: os = "ARTOS"; break;
1355 #endif
1356 #ifdef CONFIG_LYNXKDI
1357 case IH_OS_LYNXOS: os = "LynxOS"; break;
1358 #endif
1359 default: os = "Unknown OS"; break;
1360 }
1361
1362 switch (hdr->ih_arch) {
1363 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1364 case IH_CPU_ALPHA: arch = "Alpha"; break;
1365 case IH_CPU_ARM: arch = "ARM"; break;
1366 case IH_CPU_AVR32: arch = "AVR32"; break;
1367 case IH_CPU_I386: arch = "Intel x86"; break;
1368 case IH_CPU_IA64: arch = "IA64"; break;
1369 case IH_CPU_MIPS: arch = "MIPS"; break;
1370 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1371 case IH_CPU_PPC: arch = "PowerPC"; break;
1372 case IH_CPU_S390: arch = "IBM S390"; break;
1373 case IH_CPU_SH: arch = "SuperH"; break;
1374 case IH_CPU_SPARC: arch = "SPARC"; break;
1375 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1376 case IH_CPU_M68K: arch = "M68K"; break;
1377 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1378 case IH_CPU_NIOS: arch = "Nios"; break;
1379 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1380 default: arch = "Unknown Architecture"; break;
1381 }
1382
1383 switch (hdr->ih_type) {
1384 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1385 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1386 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1387 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1388 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1389 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1390 case IH_TYPE_SCRIPT: type = "Script"; break;
1391 case IH_TYPE_FLATDT: type = "Flat Device Tree"; break;
1392 default: type = "Unknown Image"; break;
1393 }
1394
1395 switch (hdr->ih_comp) {
1396 case IH_COMP_NONE: comp = "uncompressed"; break;
1397 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1398 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1399 default: comp = "unknown compression"; break;
1400 }
1401
1402 printf ("%s %s %s (%s)", arch, os, type, comp);
1403 }
1404
1405 #define ZALLOC_ALIGNMENT 16
1406
1407 static void *zalloc(void *x, unsigned items, unsigned size)
1408 {
1409 void *p;
1410
1411 size *= items;
1412 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1413
1414 p = malloc (size);
1415
1416 return (p);
1417 }
1418
1419 static void zfree(void *x, void *addr, unsigned nb)
1420 {
1421 free (addr);
1422 }
1423
1424 #define HEAD_CRC 2
1425 #define EXTRA_FIELD 4
1426 #define ORIG_NAME 8
1427 #define COMMENT 0x10
1428 #define RESERVED 0xe0
1429
1430 #define DEFLATED 8
1431
1432 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1433 {
1434 z_stream s;
1435 int r, i, flags;
1436
1437 /* skip header */
1438 i = 10;
1439 flags = src[3];
1440 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1441 puts ("Error: Bad gzipped data\n");
1442 return (-1);
1443 }
1444 if ((flags & EXTRA_FIELD) != 0)
1445 i = 12 + src[10] + (src[11] << 8);
1446 if ((flags & ORIG_NAME) != 0)
1447 while (src[i++] != 0)
1448 ;
1449 if ((flags & COMMENT) != 0)
1450 while (src[i++] != 0)
1451 ;
1452 if ((flags & HEAD_CRC) != 0)
1453 i += 2;
1454 if (i >= *lenp) {
1455 puts ("Error: gunzip out of data in header\n");
1456 return (-1);
1457 }
1458
1459 s.zalloc = zalloc;
1460 s.zfree = zfree;
1461 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1462 s.outcb = (cb_func)WATCHDOG_RESET;
1463 #else
1464 s.outcb = Z_NULL;
1465 #endif /* CONFIG_HW_WATCHDOG */
1466
1467 r = inflateInit2(&s, -MAX_WBITS);
1468 if (r != Z_OK) {
1469 printf ("Error: inflateInit2() returned %d\n", r);
1470 return (-1);
1471 }
1472 s.next_in = src + i;
1473 s.avail_in = *lenp - i;
1474 s.next_out = dst;
1475 s.avail_out = dstlen;
1476 r = inflate(&s, Z_FINISH);
1477 if (r != Z_OK && r != Z_STREAM_END) {
1478 printf ("Error: inflate() returned %d\n", r);
1479 return (-1);
1480 }
1481 *lenp = s.next_out - (unsigned char *) dst;
1482 inflateEnd(&s);
1483
1484 return (0);
1485 }
1486
1487 #ifdef CONFIG_BZIP2
1488 void bz_internal_error(int errcode)
1489 {
1490 printf ("BZIP2 internal error %d\n", errcode);
1491 }
1492 #endif /* CONFIG_BZIP2 */
1493
1494 static void
1495 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1496 ulong addr, ulong *len_ptr, int verify)
1497 {
1498 image_header_t *hdr = &header;
1499 void (*entry_point)(bd_t *);
1500
1501 entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
1502
1503 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1504 (ulong)entry_point);
1505
1506 SHOW_BOOT_PROGRESS (15);
1507
1508 /*
1509 * RTEMS Parameters:
1510 * r3: ptr to board info data
1511 */
1512
1513 (*entry_point ) ( gd->bd );
1514 }
1515
1516 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1517 static void
1518 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1519 ulong addr, ulong *len_ptr, int verify)
1520 {
1521 image_header_t *hdr = &header;
1522 char str[80];
1523
1524 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1525 setenv("loadaddr", str);
1526 do_bootvx(cmdtp, 0, 0, NULL);
1527 }
1528
1529 static void
1530 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1531 ulong addr, ulong *len_ptr, int verify)
1532 {
1533 image_header_t *hdr = &header;
1534 char *local_args[2];
1535 char str[16];
1536
1537 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1538 local_args[0] = argv[0];
1539 local_args[1] = str; /* and provide it via the arguments */
1540 do_bootelf(cmdtp, 0, 2, local_args);
1541 }
1542 #endif /* CFG_CMD_ELF */
1543
1544 #ifdef CONFIG_LYNXKDI
1545 static void
1546 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1547 int argc, char *argv[],
1548 ulong addr,
1549 ulong *len_ptr,
1550 int verify)
1551 {
1552 lynxkdi_boot( &header );
1553 }
1554
1555 #endif /* CONFIG_LYNXKDI */
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