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to make u-boot work for fat32 filesystem
[jz_uboot.git] / common / cmd_bootm.c
blobef26f6ca3e5d5aeee7a926d95ed23733bd25c8d2
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 #ifdef CONFIG_JzRISC
492 strcpy (buf, cmdline);
493 strcat (buf, " quiet");
494 #else
495 if (cmdline) {
496 if ((start = strstr (cmdline, "console=")) != NULL) {
497 end = strchr (start, ' ');
498 strncpy (buf, cmdline, (start - cmdline + 8));
499 if (end)
500 strcpy (buf + (start - cmdline + 8), end);
501 else
502 buf[start - cmdline + 8] = '\0';
503 } else {
504 strcpy (buf, cmdline);
505 strcat (buf, " console=");
506 }
507 } else {
508 strcpy (buf, "console=");
509 }
510 #endif
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 #ifdef CONFIG_OF_FLAT_TREE
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 #ifdef CONFIG_OF_FLAT_TREE
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 #ifdef CONFIG_OF_FLAT_TREE
748 if(argc > 3) {
749 of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
750 hdr = (image_header_t *)of_flat_tree;
751
752 if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
753 #ifndef CFG_NO_FLASH
754 if (addr2info((ulong)of_flat_tree) != NULL)
755 of_data = (ulong)of_flat_tree;
756 #endif
757 } else if (ntohl(hdr->ih_magic) == IH_MAGIC) {
758 printf("## Flat Device Tree Image at %08lX\n", hdr);
759 print_image_hdr(hdr);
760
761 if ((ntohl(hdr->ih_load) < ((unsigned long)hdr + ntohl(hdr->ih_size) + sizeof(hdr))) &&
762 ((ntohl(hdr->ih_load) + ntohl(hdr->ih_size)) > (unsigned long)hdr)) {
763 printf ("ERROR: Load address overwrites Flat Device Tree uImage\n");
764 return;
765 }
766
767 printf(" Verifying Checksum ... ");
768 memmove (&header, (char *)hdr, sizeof(image_header_t));
769 checksum = ntohl(header.ih_hcrc);
770 header.ih_hcrc = 0;
771
772 if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) {
773 printf("ERROR: Flat Device Tree header checksum is invalid\n");
774 return;
775 }
776
777 checksum = ntohl(hdr->ih_dcrc);
778 addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
779 len = ntohl(hdr->ih_size);
780
781 if(checksum != crc32(0, (uchar *)addr, len)) {
782 printf("ERROR: Flat Device Tree checksum is invalid\n");
783 return;
784 }
785 printf("OK\n");
786
787 if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
788 printf ("ERROR: uImage not Flat Device Tree type\n");
789 return;
790 }
791 if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
792 printf("ERROR: uImage is not uncompressed\n");
793 return;
794 }
795 if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
796 printf ("ERROR: uImage data is not a flat device tree\n");
797 return;
798 }
799
800 memmove((void *)ntohl(hdr->ih_load),
801 (void *)(of_flat_tree + sizeof(image_header_t)),
802 ntohl(hdr->ih_size));
803 of_flat_tree = (char *)ntohl(hdr->ih_load);
804 } else {
805 printf ("Did not find a flat flat device tree at address %08lX\n", of_flat_tree);
806 return;
807 }
808 printf (" Booting using flat device tree at 0x%x\n",
809 of_flat_tree);
810 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
811 u_long tail = ntohl(len_ptr[0]) % 4;
812 int i;
813
814 /* skip kernel length, initrd length, and terminator */
815 of_data = (ulong)(&len_ptr[3]);
816 /* skip any additional image length fields */
817 for (i=2; len_ptr[i]; ++i)
818 of_data += 4;
819 /* add kernel length, and align */
820 of_data += ntohl(len_ptr[0]);
821 if (tail) {
822 of_data += 4 - tail;
823 }
824
825 /* add initrd length, and align */
826 tail = ntohl(len_ptr[1]) % 4;
827 of_data += ntohl(len_ptr[1]);
828 if (tail) {
829 of_data += 4 - tail;
830 }
831
832 if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
833 printf ("ERROR: image is not a flat device tree\n");
834 return;
835 }
836
837 if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
838 printf ("ERROR: flat device tree size does not agree with image\n");
839 return;
840 }
841
842 } else if (getenv("disable_of") == NULL) {
843 printf ("ERROR: bootm needs flat device tree as third argument\n");
844 return;
845 }
846 #endif
847 if (!data) {
848 debug ("No initrd\n");
849 }
850
851 if (data) {
852 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
853 initrd_start = data;
854 initrd_end = initrd_start + len;
855 } else {
856 initrd_start = (ulong)kbd - len;
857 initrd_start &= ~(4096 - 1); /* align on page */
858
859 if (initrd_high) {
860 ulong nsp;
861
862 /*
863 * the inital ramdisk does not need to be within
864 * CFG_BOOTMAPSZ as it is not accessed until after
865 * the mm system is initialised.
866 *
867 * do the stack bottom calculation again and see if
868 * the initrd will fit just below the monitor stack
869 * bottom without overwriting the area allocated
870 * above for command line args and board info.
871 */
872 asm( "mr %0,1": "=r"(nsp) : );
873 nsp -= 2048; /* just to be sure */
874 nsp &= ~0xF;
875 if (nsp > initrd_high) /* limit as specified */
876 nsp = initrd_high;
877 nsp -= len;
878 nsp &= ~(4096 - 1); /* align on page */
879 if (nsp >= sp)
880 initrd_start = nsp;
881 }
882
883 SHOW_BOOT_PROGRESS (12);
884
885 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
886 data, data + len - 1, len, len);
887
888 initrd_end = initrd_start + len;
889 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
890 initrd_start, initrd_end);
891 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
892 {
893 size_t l = len;
894 void *to = (void *)initrd_start;
895 void *from = (void *)data;
896
897 while (l > 0) {
898 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
899 WATCHDOG_RESET();
900 memmove (to, from, tail);
901 to += tail;
902 from += tail;
903 l -= tail;
904 }
905 }
906 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
907 memmove ((void *)initrd_start, (void *)data, len);
908 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
909 puts ("OK\n");
910 }
911 } else {
912 initrd_start = 0;
913 initrd_end = 0;
914 }
915
916 debug ("## Transferring control to Linux (at address %08lx) ...\n",
917 (ulong)kernel);
918
919 SHOW_BOOT_PROGRESS (15);
920
921 #ifndef CONFIG_OF_FLAT_TREE
922
923 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
924 unlock_ram_in_cache();
925 #endif
926
927 /*
928 * Linux Kernel Parameters:
929 * r3: ptr to board info data
930 * r4: initrd_start or 0 if no initrd
931 * r5: initrd_end - unused if r4 is 0
932 * r6: Start of command line string
933 * r7: End of command line string
934 */
935 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
936
937 #else /* CONFIG_OF_FLAT_TREE */
938 /* move of_flat_tree if needed */
939 if (of_data) {
940 ulong of_start, of_len;
941 of_len = ((struct boot_param_header *)of_data)->totalsize;
942 /* provide extra 8k pad */
943 if (initrd_start)
944 of_start = initrd_start - of_len - 8192;
945 else
946 of_start = (ulong)kbd - of_len - 8192;
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 memmove ((void *)of_start, (void *)of_data, of_len);
955 }
956
957 ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
958 /* ft_dump_blob(of_flat_tree); */
959
960 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
961 unlock_ram_in_cache();
962 #endif
963 /*
964 * Linux Kernel Parameters:
965 * r3: ptr to OF flat tree, followed by the board info data
966 * r4: physical pointer to the kernel itself
967 * r5: NULL
968 * r6: NULL
969 * r7: NULL
970 */
971 if (getenv("disable_of") != NULL)
972 (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end,
973 cmd_start, cmd_end);
974 else {
975 ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
976 /* ft_dump_blob(of_flat_tree); */
977 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
978 }
979 #endif /* CONFIG_OF_FLAT_TREE */
980 }
981 #endif /* CONFIG_PPC */
982
983 static void
984 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
985 int argc, char *argv[],
986 ulong addr,
987 ulong *len_ptr,
988 int verify)
989 {
990 image_header_t *hdr = &header;
991
992 void (*loader)(bd_t *, image_header_t *, char *, char *);
993 image_header_t *img_addr;
994 char *consdev;
995 char *cmdline;
996
997
998 /*
999 * Booting a (NetBSD) kernel image
1000 *
1001 * This process is pretty similar to a standalone application:
1002 * The (first part of an multi-) image must be a stage-2 loader,
1003 * which in turn is responsible for loading & invoking the actual
1004 * kernel. The only differences are the parameters being passed:
1005 * besides the board info strucure, the loader expects a command
1006 * line, the name of the console device, and (optionally) the
1007 * address of the original image header.
1008 */
1009
1010 img_addr = 0;
1011 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
1012 img_addr = (image_header_t *) addr;
1013
1014
1015 consdev = "";
1016 #if defined (CONFIG_8xx_CONS_SMC1)
1017 consdev = "smc1";
1018 #elif defined (CONFIG_8xx_CONS_SMC2)
1019 consdev = "smc2";
1020 #elif defined (CONFIG_8xx_CONS_SCC2)
1021 consdev = "scc2";
1022 #elif defined (CONFIG_8xx_CONS_SCC3)
1023 consdev = "scc3";
1024 #endif
1025
1026 if (argc > 2) {
1027 ulong len;
1028 int i;
1029
1030 for (i=2, len=0 ; i<argc ; i+=1)
1031 len += strlen (argv[i]) + 1;
1032 cmdline = malloc (len);
1033
1034 for (i=2, len=0 ; i<argc ; i+=1) {
1035 if (i > 2)
1036 cmdline[len++] = ' ';
1037 strcpy (&cmdline[len], argv[i]);
1038 len += strlen (argv[i]);
1039 }
1040 } else if ((cmdline = getenv("bootargs")) == NULL) {
1041 cmdline = "";
1042 }
1043
1044 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
1045
1046 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
1047 (ulong)loader);
1048
1049 SHOW_BOOT_PROGRESS (15);
1050
1051 /*
1052 * NetBSD Stage-2 Loader Parameters:
1053 * r3: ptr to board info data
1054 * r4: image address
1055 * r5: console device
1056 * r6: boot args string
1057 */
1058 (*loader) (gd->bd, img_addr, consdev, cmdline);
1059 }
1060
1061 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
1062
1063 /* Function that returns a character from the environment */
1064 extern uchar (*env_get_char)(int);
1065
1066 static void
1067 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
1068 int argc, char *argv[],
1069 ulong addr,
1070 ulong *len_ptr,
1071 int verify)
1072 {
1073 ulong top;
1074 char *s, *cmdline;
1075 char **fwenv, **ss;
1076 int i, j, nxt, len, envno, envsz;
1077 bd_t *kbd;
1078 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
1079 image_header_t *hdr = &header;
1080
1081 /*
1082 * Booting an ARTOS kernel image + application
1083 */
1084
1085 /* this used to be the top of memory, but was wrong... */
1086 #ifdef CONFIG_PPC
1087 /* get stack pointer */
1088 asm volatile ("mr %0,1" : "=r"(top) );
1089 #endif
1090 debug ("## Current stack ends at 0x%08lX ", top);
1091
1092 top -= 2048; /* just to be sure */
1093 if (top > CFG_BOOTMAPSZ)
1094 top = CFG_BOOTMAPSZ;
1095 top &= ~0xF;
1096
1097 debug ("=> set upper limit to 0x%08lX\n", top);
1098
1099 /* first check the artos specific boot args, then the linux args*/
1100 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
1101 s = "";
1102
1103 /* get length of cmdline, and place it */
1104 len = strlen(s);
1105 top = (top - (len + 1)) & ~0xF;
1106 cmdline = (char *)top;
1107 debug ("## cmdline at 0x%08lX ", top);
1108 strcpy(cmdline, s);
1109
1110 /* copy bdinfo */
1111 top = (top - sizeof(bd_t)) & ~0xF;
1112 debug ("## bd at 0x%08lX ", top);
1113 kbd = (bd_t *)top;
1114 memcpy(kbd, gd->bd, sizeof(bd_t));
1115
1116 /* first find number of env entries, and their size */
1117 envno = 0;
1118 envsz = 0;
1119 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1120 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1121 ;
1122 envno++;
1123 envsz += (nxt - i) + 1; /* plus trailing zero */
1124 }
1125 envno++; /* plus the terminating zero */
1126 debug ("## %u envvars total size %u ", envno, envsz);
1127
1128 top = (top - sizeof(char **)*envno) & ~0xF;
1129 fwenv = (char **)top;
1130 debug ("## fwenv at 0x%08lX ", top);
1131
1132 top = (top - envsz) & ~0xF;
1133 s = (char *)top;
1134 ss = fwenv;
1135
1136 /* now copy them */
1137 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1138 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1139 ;
1140 *ss++ = s;
1141 for (j = i; j < nxt; ++j)
1142 *s++ = env_get_char(j);
1143 *s++ = '\0';
1144 }
1145 *ss++ = NULL; /* terminate */
1146
1147 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1148 (*entry)(kbd, cmdline, fwenv, top);
1149 }
1150 #endif
1151
1152
1153 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1154 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1155 {
1156 int rcode = 0;
1157 #ifndef CFG_HUSH_PARSER
1158 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1159 #else
1160 if (parse_string_outer(getenv("bootcmd"),
1161 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1162 #endif
1163 return rcode;
1164 }
1165
1166 U_BOOT_CMD(
1167 boot, 1, 1, do_bootd,
1168 "boot - boot default, i.e., run 'bootcmd'\n",
1169 NULL
1170 );
1171
1172 /* keep old command name "bootd" for backward compatibility */
1173 U_BOOT_CMD(
1174 bootd, 1, 1, do_bootd,
1175 "bootd - boot default, i.e., run 'bootcmd'\n",
1176 NULL
1177 );
1178
1179 #endif
1180
1181 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1182 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1183 {
1184 int arg;
1185 ulong addr;
1186 int rcode=0;
1187
1188 if (argc < 2) {
1189 return image_info (load_addr);
1190 }
1191
1192 for (arg=1; arg <argc; ++arg) {
1193 addr = simple_strtoul(argv[arg], NULL, 16);
1194 if (image_info (addr) != 0) rcode = 1;
1195 }
1196 return rcode;
1197 }
1198
1199 static int image_info (ulong addr)
1200 {
1201 ulong data, len, checksum;
1202 image_header_t *hdr = &header;
1203
1204 printf ("\n## Checking Image at %08lx ...\n", addr);
1205
1206 /* Copy header so we can blank CRC field for re-calculation */
1207 memmove (&header, (char *)addr, sizeof(image_header_t));
1208
1209 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1210 puts (" Bad Magic Number\n");
1211 return 1;
1212 }
1213
1214 data = (ulong)&header;
1215 len = sizeof(image_header_t);
1216
1217 checksum = ntohl(hdr->ih_hcrc);
1218 hdr->ih_hcrc = 0;
1219
1220 if (crc32 (0, (uchar *)data, len) != checksum) {
1221 puts (" Bad Header Checksum\n");
1222 return 1;
1223 }
1224
1225 /* for multi-file images we need the data part, too */
1226 print_image_hdr ((image_header_t *)addr);
1227
1228 data = addr + sizeof(image_header_t);
1229 len = ntohl(hdr->ih_size);
1230
1231 puts (" Verifying Checksum ... ");
1232 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1233 puts (" Bad Data CRC\n");
1234 return 1;
1235 }
1236 puts ("OK\n");
1237 return 0;
1238 }
1239
1240 U_BOOT_CMD(
1241 iminfo, CFG_MAXARGS, 1, do_iminfo,
1242 "iminfo - print header information for application image\n",
1243 "addr [addr ...]\n"
1244 " - print header information for application image starting at\n"
1245 " address 'addr' in memory; this includes verification of the\n"
1246 " image contents (magic number, header and payload checksums)\n"
1247 );
1248
1249 #endif /* CFG_CMD_IMI */
1250
1251 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1252 /*-----------------------------------------------------------------------
1253 * List all images found in flash.
1254 */
1255 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1256 {
1257 flash_info_t *info;
1258 int i, j;
1259 image_header_t *hdr;
1260 ulong data, len, checksum;
1261
1262 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1263 if (info->flash_id == FLASH_UNKNOWN)
1264 goto next_bank;
1265 for (j=0; j<info->sector_count; ++j) {
1266
1267 if (!(hdr=(image_header_t *)info->start[j]) ||
1268 (ntohl(hdr->ih_magic) != IH_MAGIC))
1269 goto next_sector;
1270
1271 /* Copy header so we can blank CRC field for re-calculation */
1272 memmove (&header, (char *)hdr, sizeof(image_header_t));
1273
1274 checksum = ntohl(header.ih_hcrc);
1275 header.ih_hcrc = 0;
1276
1277 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1278 != checksum)
1279 goto next_sector;
1280
1281 printf ("Image at %08lX:\n", (ulong)hdr);
1282 print_image_hdr( hdr );
1283
1284 data = (ulong)hdr + sizeof(image_header_t);
1285 len = ntohl(hdr->ih_size);
1286
1287 puts (" Verifying Checksum ... ");
1288 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1289 puts (" Bad Data CRC\n");
1290 }
1291 puts ("OK\n");
1292 next_sector: ;
1293 }
1294 next_bank: ;
1295 }
1296
1297 return (0);
1298 }
1299
1300 U_BOOT_CMD(
1301 imls, 1, 1, do_imls,
1302 "imls - list all images found in flash\n",
1303 "\n"
1304 " - Prints information about all images found at sector\n"
1305 " boundaries in flash.\n"
1306 );
1307 #endif /* CFG_CMD_IMLS */
1308
1309 void
1310 print_image_hdr (image_header_t *hdr)
1311 {
1312 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1313 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1314 struct rtc_time tm;
1315 #endif
1316
1317 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1318 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1319 to_tm (timestamp, &tm);
1320 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1321 tm.tm_year, tm.tm_mon, tm.tm_mday,
1322 tm.tm_hour, tm.tm_min, tm.tm_sec);
1323 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1324 puts (" Image Type: "); print_type(hdr);
1325 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1326 print_size (ntohl(hdr->ih_size), "\n");
1327 printf (" Load Address: %08x\n"
1328 " Entry Point: %08x\n",
1329 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1330
1331 if (hdr->ih_type == IH_TYPE_MULTI) {
1332 int i;
1333 ulong len;
1334 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1335
1336 puts (" Contents:\n");
1337 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1338 printf (" Image %d: %8ld Bytes = ", i, len);
1339 print_size (len, "\n");
1340 }
1341 }
1342 }
1343
1344
1345 static void
1346 print_type (image_header_t *hdr)
1347 {
1348 char *os, *arch, *type, *comp;
1349
1350 switch (hdr->ih_os) {
1351 case IH_OS_INVALID: os = "Invalid OS"; break;
1352 case IH_OS_NETBSD: os = "NetBSD"; break;
1353 case IH_OS_LINUX: os = "Linux"; break;
1354 case IH_OS_VXWORKS: os = "VxWorks"; break;
1355 case IH_OS_QNX: os = "QNX"; break;
1356 case IH_OS_U_BOOT: os = "U-Boot"; break;
1357 case IH_OS_RTEMS: os = "RTEMS"; break;
1358 #ifdef CONFIG_ARTOS
1359 case IH_OS_ARTOS: os = "ARTOS"; break;
1360 #endif
1361 #ifdef CONFIG_LYNXKDI
1362 case IH_OS_LYNXOS: os = "LynxOS"; break;
1363 #endif
1364 default: os = "Unknown OS"; break;
1365 }
1366
1367 switch (hdr->ih_arch) {
1368 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1369 case IH_CPU_ALPHA: arch = "Alpha"; break;
1370 case IH_CPU_ARM: arch = "ARM"; break;
1371 case IH_CPU_AVR32: arch = "AVR32"; break;
1372 case IH_CPU_I386: arch = "Intel x86"; break;
1373 case IH_CPU_IA64: arch = "IA64"; break;
1374 case IH_CPU_MIPS: arch = "MIPS"; break;
1375 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1376 case IH_CPU_PPC: arch = "PowerPC"; break;
1377 case IH_CPU_S390: arch = "IBM S390"; break;
1378 case IH_CPU_SH: arch = "SuperH"; break;
1379 case IH_CPU_SPARC: arch = "SPARC"; break;
1380 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1381 case IH_CPU_M68K: arch = "M68K"; break;
1382 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1383 case IH_CPU_NIOS: arch = "Nios"; break;
1384 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1385 default: arch = "Unknown Architecture"; break;
1386 }
1387
1388 switch (hdr->ih_type) {
1389 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1390 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1391 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1392 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1393 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1394 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1395 case IH_TYPE_SCRIPT: type = "Script"; break;
1396 case IH_TYPE_FLATDT: type = "Flat Device Tree"; break;
1397 default: type = "Unknown Image"; break;
1398 }
1399
1400 switch (hdr->ih_comp) {
1401 case IH_COMP_NONE: comp = "uncompressed"; break;
1402 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1403 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1404 default: comp = "unknown compression"; break;
1405 }
1406
1407 printf ("%s %s %s (%s)", arch, os, type, comp);
1408 }
1409
1410 #define ZALLOC_ALIGNMENT 16
1411
1412 static void *zalloc(void *x, unsigned items, unsigned size)
1413 {
1414 void *p;
1415
1416 size *= items;
1417 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1418
1419 p = malloc (size);
1420
1421 return (p);
1422 }
1423
1424 static void zfree(void *x, void *addr, unsigned nb)
1425 {
1426 free (addr);
1427 }
1428
1429 #define HEAD_CRC 2
1430 #define EXTRA_FIELD 4
1431 #define ORIG_NAME 8
1432 #define COMMENT 0x10
1433 #define RESERVED 0xe0
1434
1435 #define DEFLATED 8
1436
1437 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1438 {
1439 z_stream s;
1440 int r, i, flags;
1441
1442 /* skip header */
1443 i = 10;
1444 flags = src[3];
1445 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1446 puts ("Error: Bad gzipped data\n");
1447 return (-1);
1448 }
1449 if ((flags & EXTRA_FIELD) != 0)
1450 i = 12 + src[10] + (src[11] << 8);
1451 if ((flags & ORIG_NAME) != 0)
1452 while (src[i++] != 0)
1453 ;
1454 if ((flags & COMMENT) != 0)
1455 while (src[i++] != 0)
1456 ;
1457 if ((flags & HEAD_CRC) != 0)
1458 i += 2;
1459 if (i >= *lenp) {
1460 puts ("Error: gunzip out of data in header\n");
1461 return (-1);
1462 }
1463
1464 s.zalloc = zalloc;
1465 s.zfree = zfree;
1466 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1467 s.outcb = (cb_func)WATCHDOG_RESET;
1468 #else
1469 s.outcb = Z_NULL;
1470 #endif /* CONFIG_HW_WATCHDOG */
1471
1472 r = inflateInit2(&s, -MAX_WBITS);
1473 if (r != Z_OK) {
1474 printf ("Error: inflateInit2() returned %d\n", r);
1475 return (-1);
1476 }
1477 s.next_in = src + i;
1478 s.avail_in = *lenp - i;
1479 s.next_out = dst;
1480 s.avail_out = dstlen;
1481 r = inflate(&s, Z_FINISH);
1482 if (r != Z_OK && r != Z_STREAM_END) {
1483 printf ("Error: inflate() returned %d\n", r);
1484 return (-1);
1485 }
1486 *lenp = s.next_out - (unsigned char *) dst;
1487 inflateEnd(&s);
1488
1489 return (0);
1490 }
1491
1492 #ifdef CONFIG_BZIP2
1493 void bz_internal_error(int errcode)
1494 {
1495 printf ("BZIP2 internal error %d\n", errcode);
1496 }
1497 #endif /* CONFIG_BZIP2 */
1498
1499 static void
1500 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1501 ulong addr, ulong *len_ptr, int verify)
1502 {
1503 image_header_t *hdr = &header;
1504 void (*entry_point)(bd_t *);
1505
1506 entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
1507
1508 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1509 (ulong)entry_point);
1510
1511 SHOW_BOOT_PROGRESS (15);
1512
1513 /*
1514 * RTEMS Parameters:
1515 * r3: ptr to board info data
1516 */
1517
1518 (*entry_point ) ( gd->bd );
1519 }
1520
1521 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1522 static void
1523 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1524 ulong addr, ulong *len_ptr, int verify)
1525 {
1526 image_header_t *hdr = &header;
1527 char str[80];
1528
1529 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1530 setenv("loadaddr", str);
1531 do_bootvx(cmdtp, 0, 0, NULL);
1532 }
1533
1534 static void
1535 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1536 ulong addr, ulong *len_ptr, int verify)
1537 {
1538 image_header_t *hdr = &header;
1539 char *local_args[2];
1540 char str[16];
1541
1542 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1543 local_args[0] = argv[0];
1544 local_args[1] = str; /* and provide it via the arguments */
1545 do_bootelf(cmdtp, 0, 2, local_args);
1546 }
1547 #endif /* CFG_CMD_ELF */
1548
1549 #ifdef CONFIG_LYNXKDI
1550 static void
1551 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1552 int argc, char *argv[],
1553 ulong addr,
1554 ulong *len_ptr,
1555 int verify)
1556 {
1557 lynxkdi_boot( &header );
1558 }
1559
1560 #endif /* CONFIG_LYNXKDI */
uboot for JZ soc