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1 /*
2 * (C) Copyright 2000-2002
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 /*cmd_boot.c*/
42 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
43
44 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
45 #include <rtc.h>
46 #endif
47
48 #ifdef CFG_HUSH_PARSER
49 #include <hush.h>
50 #endif
51
52 #ifdef CONFIG_SHOW_BOOT_PROGRESS
53 # include <status_led.h>
54 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
55 #else
56 # define SHOW_BOOT_PROGRESS(arg)
57 #endif
58
59 #ifdef CFG_INIT_RAM_LOCK
60 #include <asm/cache.h>
61 #endif
62
63 #ifdef CONFIG_LOGBUFFER
64 #include <logbuff.h>
65 #endif
66
67 #ifdef CONFIG_HAS_DATAFLASH
68 #include <dataflash.h>
69 #endif
70
71 /*
72 * Some systems (for example LWMON) have very short watchdog periods;
73 * we must make sure to split long operations like memmove() or
74 * crc32() into reasonable chunks.
75 */
76 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
77 # define CHUNKSZ (64 * 1024)
78 #endif
79
80 int gunzip (void *, int, unsigned char *, unsigned long *);
81
82 static void *zalloc(void *, unsigned, unsigned);
83 static void zfree(void *, void *, unsigned);
84
85 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
86 static int image_info (unsigned long addr);
87 #endif
88
89 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
90 #include <flash.h>
91 extern flash_info_t flash_info[]; /* info for FLASH chips */
92 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
93 #endif
94
95 static void print_type (image_header_t *hdr);
96
97 #ifdef __I386__
98 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
99 #endif
100
101 /*
102 * Continue booting an OS image; caller already has:
103 * - copied image header to global variable `header'
104 * - checked header magic number, checksums (both header & image),
105 * - verified image architecture (PPC) and type (KERNEL or MULTI),
106 * - loaded (first part of) image to header load address,
107 * - disabled interrupts.
108 */
109 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
110 int argc, char *argv[],
111 ulong addr, /* of image to boot */
112 ulong *len_ptr, /* multi-file image length table */
113 int verify); /* getenv("verify")[0] != 'n' */
114
115 #ifdef DEBUG
116 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
117 #endif
118
119 #ifdef CONFIG_PPC
120 static boot_os_Fcn do_bootm_linux;
121 #else
122 extern boot_os_Fcn do_bootm_linux;
123 #endif
124 #ifdef CONFIG_SILENT_CONSOLE
125 static void fixup_silent_linux (void);
126 #endif
127 static boot_os_Fcn do_bootm_netbsd;
128 static boot_os_Fcn do_bootm_rtems;
129 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
130 static boot_os_Fcn do_bootm_vxworks;
131 static boot_os_Fcn do_bootm_qnxelf;
132 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
133 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
134 #endif /* CFG_CMD_ELF */
135 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
136 static boot_os_Fcn do_bootm_artos;
137 #endif
138 #ifdef CONFIG_LYNXKDI
139 static boot_os_Fcn do_bootm_lynxkdi;
140 extern void lynxkdi_boot( image_header_t * );
141 #endif
142
143 image_header_t header;
144
145 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
146
147 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
148 {
149 ulong iflag;
150 ulong addr;
151 ulong data, len, checksum;
152 ulong *len_ptr;
153 uint unc_len = 0x400000;
154 int i, verify;
155 char *name, *s;
156 int (*appl)(int, char *[]);
157 image_header_t *hdr = &header;
158
159 s = getenv ("verify");
160 verify = (s && (*s == 'n')) ? 0 : 1;
161
162 if (argc < 2) {
163 addr = load_addr;
164 } else {
165 addr = simple_strtoul(argv[1], NULL, 16);
166 }
167
168 SHOW_BOOT_PROGRESS (1);
169 printf ("## Booting image at %08lx ...\n", addr);
170
171 /* Copy header so we can blank CRC field for re-calculation */
172 #ifdef CONFIG_HAS_DATAFLASH
173 if (addr_dataflash(addr)){
174 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
175 } else
176 #endif
177 memmove (&header, (char *)addr, sizeof(image_header_t));
178
179 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
180 #ifdef __I386__ /* correct image format not implemented yet - fake it */
181 if (fake_header(hdr, (void*)addr, -1) != NULL) {
182 /* to compensate for the addition below */
183 addr -= sizeof(image_header_t);
184 /* turnof verify,
185 * fake_header() does not fake the data crc
186 */
187 verify = 0;
188 } else
189 #endif /* __I386__ */
190 {
191 puts ("Bad Magic Number\n");
192 SHOW_BOOT_PROGRESS (-1);
193 return 1;
194 }
195 }
196 SHOW_BOOT_PROGRESS (2);
197
198 data = (ulong)&header;
199 len = sizeof(image_header_t);
200
201 checksum = ntohl(hdr->ih_hcrc);
202 hdr->ih_hcrc = 0;
203
204 if (crc32 (0, (uchar *)data, len) != checksum) {
205 puts ("Bad Header Checksum\n");
206 SHOW_BOOT_PROGRESS (-2);
207 return 1;
208 }
209 SHOW_BOOT_PROGRESS (3);
210
211 #ifdef CONFIG_HAS_DATAFLASH
212 if (addr_dataflash(addr)){
213 len = ntohl(hdr->ih_size) + sizeof(image_header_t);
214 read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
215 addr = CFG_LOAD_ADDR;
216 }
217 #endif
218
219
220 /* for multi-file images we need the data part, too */
221 print_image_hdr ((image_header_t *)addr);
222
223 data = addr + sizeof(image_header_t);
224 len = ntohl(hdr->ih_size);
225
226 if (verify) {
227 puts (" Verifying Checksum ... ");
228 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
229 printf ("Bad Data CRC\n");
230 SHOW_BOOT_PROGRESS (-3);
231 return 1;
232 }
233 puts ("OK\n");
234 }
235 SHOW_BOOT_PROGRESS (4);
236
237 len_ptr = (ulong *)data;
238
239 #if defined(__PPC__)
240 if (hdr->ih_arch != IH_CPU_PPC)
241 #elif defined(__ARM__)
242 if (hdr->ih_arch != IH_CPU_ARM)
243 #elif defined(__I386__)
244 if (hdr->ih_arch != IH_CPU_I386)
245 #elif defined(__mips__)
246 if (hdr->ih_arch != IH_CPU_MIPS)
247 #elif defined(__nios__)
248 if (hdr->ih_arch != IH_CPU_NIOS)
249 #elif defined(__M68K__)
250 if (hdr->ih_arch != IH_CPU_M68K)
251 #elif defined(__microblaze__)
252 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
253 #elif defined(__nios2__)
254 if (hdr->ih_arch != IH_CPU_NIOS2)
255 #else
256 # error Unknown CPU type
257 #endif
258 {
259 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
260 SHOW_BOOT_PROGRESS (-4);
261 return 1;
262 }
263 SHOW_BOOT_PROGRESS (5);
264
265 switch (hdr->ih_type) {
266 case IH_TYPE_STANDALONE:
267 name = "Standalone Application";
268 /* A second argument overwrites the load address */
269 if (argc > 2) {
270 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
271 }
272 break;
273 case IH_TYPE_KERNEL:
274 name = "Kernel Image";
275 break;
276 case IH_TYPE_MULTI:
277 name = "Multi-File Image";
278 len = ntohl(len_ptr[0]);
279 /* OS kernel is always the first image */
280 data += 8; /* kernel_len + terminator */
281 for (i=1; len_ptr[i]; ++i)
282 data += 4;
283 break;
284 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
285 SHOW_BOOT_PROGRESS (-5);
286 return 1;
287 }
288 SHOW_BOOT_PROGRESS (6);
289
290 /*
291 * We have reached the point of no return: we are going to
292 * overwrite all exception vector code, so we cannot easily
293 * recover from any failures any more...
294 */
295
296 iflag = disable_interrupts();
297
298 #ifdef CONFIG_AMIGAONEG3SE
299 /*
300 * We've possible left the caches enabled during
301 * bios emulation, so turn them off again
302 */
303 icache_disable();
304 invalidate_l1_instruction_cache();
305 flush_data_cache();
306 dcache_disable();
307 #endif
308
309 switch (hdr->ih_comp) {
310 case IH_COMP_NONE:
311 if(ntohl(hdr->ih_load) == addr) {
312 printf (" XIP %s ... ", name);
313 } else {
314 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
315 size_t l = len;
316 void *to = (void *)ntohl(hdr->ih_load);
317 void *from = (void *)data;
318
319 printf (" Loading %s ... ", name);
320
321 while (l > 0) {
322 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
323 WATCHDOG_RESET();
324 memmove (to, from, tail);
325 to += tail;
326 from += tail;
327 l -= tail;
328 }
329 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
330 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
331 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
332 }
333 break;
334 case IH_COMP_GZIP:
335 printf (" Uncompressing %s ... ", name);
336 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
337 (uchar *)data, &len) != 0) {
338 puts ("GUNZIP ERROR - must RESET board to recover\n");
339 SHOW_BOOT_PROGRESS (-6);
340 do_reset (cmdtp, flag, argc, argv);
341 }
342 break;
343 #ifdef CONFIG_BZIP2
344 case IH_COMP_BZIP2:
345 printf (" Uncompressing %s ... ", name);
346 /*
347 * If we've got less than 4 MB of malloc() space,
348 * use slower decompression algorithm which requires
349 * at most 2300 KB of memory.
350 */
351 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
352 &unc_len, (char *)data, len,
353 CFG_MALLOC_LEN < (4096 * 1024), 0);
354 if (i != BZ_OK) {
355 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
356 SHOW_BOOT_PROGRESS (-6);
357 udelay(100000);
358 do_reset (cmdtp, flag, argc, argv);
359 }
360 break;
361 #endif /* CONFIG_BZIP2 */
362 default:
363 if (iflag)
364 enable_interrupts();
365 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
366 SHOW_BOOT_PROGRESS (-7);
367 return 1;
368 }
369 puts ("OK\n");
370 SHOW_BOOT_PROGRESS (7);
371
372 switch (hdr->ih_type) {
373 case IH_TYPE_STANDALONE:
374 if (iflag)
375 enable_interrupts();
376
377 /* load (and uncompress), but don't start if "autostart"
378 * is set to "no"
379 */
380 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
381 char buf[32];
382 sprintf(buf, "%lX", len);
383 setenv("filesize", buf);
384 return 0;
385 }
386 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
387 (*appl)(argc-1, &argv[1]);
388 return 0;
389 case IH_TYPE_KERNEL:
390 case IH_TYPE_MULTI:
391 /* handled below */
392 break;
393 default:
394 if (iflag)
395 enable_interrupts();
396 printf ("Can't boot image type %d\n", hdr->ih_type);
397 SHOW_BOOT_PROGRESS (-8);
398 return 1;
399 }
400 SHOW_BOOT_PROGRESS (8);
401
402 switch (hdr->ih_os) {
403 default: /* handled by (original) Linux case */
404 case IH_OS_LINUX:
405 #ifdef CONFIG_SILENT_CONSOLE
406 fixup_silent_linux();
407 #endif
408 do_bootm_linux (cmdtp, flag, argc, argv,
409 addr, len_ptr, verify);
410 break;
411 case IH_OS_NETBSD:
412 do_bootm_netbsd (cmdtp, flag, argc, argv,
413 addr, len_ptr, verify);
414 break;
415
416 #ifdef CONFIG_LYNXKDI
417 case IH_OS_LYNXOS:
418 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
419 addr, len_ptr, verify);
420 break;
421 #endif
422
423 case IH_OS_RTEMS:
424 do_bootm_rtems (cmdtp, flag, argc, argv,
425 addr, len_ptr, verify);
426 break;
427
428 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
429 case IH_OS_VXWORKS:
430 do_bootm_vxworks (cmdtp, flag, argc, argv,
431 addr, len_ptr, verify);
432 break;
433 case IH_OS_QNX:
434 do_bootm_qnxelf (cmdtp, flag, argc, argv,
435 addr, len_ptr, verify);
436 break;
437 #endif /* CFG_CMD_ELF */
438 #ifdef CONFIG_ARTOS
439 case IH_OS_ARTOS:
440 do_bootm_artos (cmdtp, flag, argc, argv,
441 addr, len_ptr, verify);
442 break;
443 #endif
444 }
445
446 SHOW_BOOT_PROGRESS (-9);
447 #ifdef DEBUG
448 puts ("\n## Control returned to monitor - resetting...\n");
449 do_reset (cmdtp, flag, argc, argv);
450 #endif
451 return 1;
452 }
453
454 U_BOOT_CMD(
455 bootm, CFG_MAXARGS, 1, do_bootm,
456 "bootm - boot application image from memory\n",
457 "[addr [arg ...]]\n - boot application image stored in memory\n"
458 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
459 "\t'arg' can be the address of an initrd image\n"
460 );
461
462 #ifdef CONFIG_SILENT_CONSOLE
463 static void
464 fixup_silent_linux ()
465 {
466 DECLARE_GLOBAL_DATA_PTR;
467 char buf[256], *start, *end;
468 char *cmdline = getenv ("bootargs");
469
470 /* Only fix cmdline when requested */
471 if (!(gd->flags & GD_FLG_SILENT))
472 return;
473
474 debug ("before silent fix-up: %s\n", cmdline);
475 if (cmdline) {
476 if ((start = strstr (cmdline, "console=")) != NULL) {
477 end = strchr (start, ' ');
478 strncpy (buf, cmdline, (start - cmdline + 8));
479 if (end)
480 strcpy (buf + (start - cmdline + 8), end);
481 else
482 buf[start - cmdline + 8] = '\0';
483 } else {
484 strcpy (buf, cmdline);
485 strcat (buf, " console=");
486 }
487 } else {
488 strcpy (buf, "console=");
489 }
490
491 setenv ("bootargs", buf);
492 debug ("after silent fix-up: %s\n", buf);
493 }
494 #endif /* CONFIG_SILENT_CONSOLE */
495
496 #ifdef CONFIG_OF_FLAT_TREE
497 extern const unsigned char oftree_dtb[];
498 extern const unsigned int oftree_dtb_len;
499 #endif
500
501 #ifdef CONFIG_PPC
502 static void
503 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
504 int argc, char *argv[],
505 ulong addr,
506 ulong *len_ptr,
507 int verify)
508 {
509 DECLARE_GLOBAL_DATA_PTR;
510
511 ulong sp;
512 ulong len, checksum;
513 ulong initrd_start, initrd_end;
514 ulong cmd_start, cmd_end;
515 ulong initrd_high;
516 ulong data;
517 int initrd_copy_to_ram = 1;
518 char *cmdline;
519 char *s;
520 bd_t *kbd;
521 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
522 image_header_t *hdr = &header;
523 #ifdef CONFIG_OF_FLAT_TREE
524 char *of_flat_tree;
525 #endif
526
527 if ((s = getenv ("initrd_high")) != NULL) {
528 /* a value of "no" or a similar string will act like 0,
529 * turning the "load high" feature off. This is intentional.
530 */
531 initrd_high = simple_strtoul(s, NULL, 16);
532 if (initrd_high == ~0)
533 initrd_copy_to_ram = 0;
534 } else { /* not set, no restrictions to load high */
535 initrd_high = ~0;
536 }
537
538 #ifdef CONFIG_LOGBUFFER
539 kbd=gd->bd;
540 /* Prevent initrd from overwriting logbuffer */
541 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
542 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
543 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
544 #endif
545
546 /*
547 * Booting a (Linux) kernel image
548 *
549 * Allocate space for command line and board info - the
550 * address should be as high as possible within the reach of
551 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
552 * memory, which means far enough below the current stack
553 * pointer.
554 */
555
556 asm( "mr %0,1": "=r"(sp) : );
557
558 debug ("## Current stack ends at 0x%08lX ", sp);
559
560 sp -= 2048; /* just to be sure */
561 if (sp > CFG_BOOTMAPSZ)
562 sp = CFG_BOOTMAPSZ;
563 sp &= ~0xF;
564
565 debug ("=> set upper limit to 0x%08lX\n", sp);
566
567 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
568 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
569
570 if ((s = getenv("bootargs")) == NULL)
571 s = "";
572
573 strcpy (cmdline, s);
574
575 cmd_start = (ulong)&cmdline[0];
576 cmd_end = cmd_start + strlen(cmdline);
577
578 *kbd = *(gd->bd);
579
580 #ifdef DEBUG
581 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
582
583 do_bdinfo (NULL, 0, 0, NULL);
584 #endif
585
586 if ((s = getenv ("clocks_in_mhz")) != NULL) {
587 /* convert all clock information to MHz */
588 kbd->bi_intfreq /= 1000000L;
589 kbd->bi_busfreq /= 1000000L;
590 #if defined(CONFIG_MPC8220)
591 kbd->bi_inpfreq /= 1000000L;
592 kbd->bi_pcifreq /= 1000000L;
593 kbd->bi_pevfreq /= 1000000L;
594 kbd->bi_flbfreq /= 1000000L;
595 kbd->bi_vcofreq /= 1000000L;
596 #endif
597 #if defined(CONFIG_CPM2)
598 kbd->bi_cpmfreq /= 1000000L;
599 kbd->bi_brgfreq /= 1000000L;
600 kbd->bi_sccfreq /= 1000000L;
601 kbd->bi_vco /= 1000000L;
602 #endif
603 #if defined(CONFIG_MPC5xxx)
604 kbd->bi_ipbfreq /= 1000000L;
605 kbd->bi_pcifreq /= 1000000L;
606 #endif /* CONFIG_MPC5xxx */
607 }
608
609 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep;
610
611 /*
612 * Check if there is an initrd image
613 */
614 if (argc >= 3) {
615 SHOW_BOOT_PROGRESS (9);
616
617 addr = simple_strtoul(argv[2], NULL, 16);
618
619 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
620
621 /* Copy header so we can blank CRC field for re-calculation */
622 memmove (&header, (char *)addr, sizeof(image_header_t));
623
624 if (hdr->ih_magic != IH_MAGIC) {
625 puts ("Bad Magic Number\n");
626 SHOW_BOOT_PROGRESS (-10);
627 do_reset (cmdtp, flag, argc, argv);
628 }
629
630 data = (ulong)&header;
631 len = sizeof(image_header_t);
632
633 checksum = hdr->ih_hcrc;
634 hdr->ih_hcrc = 0;
635
636 if (crc32 (0, (uchar *)data, len) != checksum) {
637 puts ("Bad Header Checksum\n");
638 SHOW_BOOT_PROGRESS (-11);
639 do_reset (cmdtp, flag, argc, argv);
640 }
641
642 SHOW_BOOT_PROGRESS (10);
643
644 print_image_hdr (hdr);
645
646 data = addr + sizeof(image_header_t);
647 len = hdr->ih_size;
648
649 if (verify) {
650 ulong csum = 0;
651 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
652 ulong cdata = data, edata = cdata + len;
653 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
654
655 puts (" Verifying Checksum ... ");
656
657 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
658
659 while (cdata < edata) {
660 ulong chunk = edata - cdata;
661
662 if (chunk > CHUNKSZ)
663 chunk = CHUNKSZ;
664 csum = crc32 (csum, (uchar *)cdata, chunk);
665 cdata += chunk;
666
667 WATCHDOG_RESET();
668 }
669 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
670 csum = crc32 (0, (uchar *)data, len);
671 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
672
673 if (csum != hdr->ih_dcrc) {
674 puts ("Bad Data CRC\n");
675 SHOW_BOOT_PROGRESS (-12);
676 do_reset (cmdtp, flag, argc, argv);
677 }
678 puts ("OK\n");
679 }
680
681 SHOW_BOOT_PROGRESS (11);
682
683 if ((hdr->ih_os != IH_OS_LINUX) ||
684 (hdr->ih_arch != IH_CPU_PPC) ||
685 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
686 puts ("No Linux PPC Ramdisk Image\n");
687 SHOW_BOOT_PROGRESS (-13);
688 do_reset (cmdtp, flag, argc, argv);
689 }
690
691 /*
692 * Now check if we have a multifile image
693 */
694 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
695 u_long tail = ntohl(len_ptr[0]) % 4;
696 int i;
697
698 SHOW_BOOT_PROGRESS (13);
699
700 /* skip kernel length and terminator */
701 data = (ulong)(&len_ptr[2]);
702 /* skip any additional image length fields */
703 for (i=1; len_ptr[i]; ++i)
704 data += 4;
705 /* add kernel length, and align */
706 data += ntohl(len_ptr[0]);
707 if (tail) {
708 data += 4 - tail;
709 }
710
711 len = ntohl(len_ptr[1]);
712
713 } else {
714 /*
715 * no initrd image
716 */
717 SHOW_BOOT_PROGRESS (14);
718
719 len = data = 0;
720 }
721
722 if (!data) {
723 debug ("No initrd\n");
724 }
725
726 if (data) {
727 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
728 initrd_start = data;
729 initrd_end = initrd_start + len;
730 } else {
731 initrd_start = (ulong)kbd - len;
732 initrd_start &= ~(4096 - 1); /* align on page */
733
734 if (initrd_high) {
735 ulong nsp;
736
737 /*
738 * the inital ramdisk does not need to be within
739 * CFG_BOOTMAPSZ as it is not accessed until after
740 * the mm system is initialised.
741 *
742 * do the stack bottom calculation again and see if
743 * the initrd will fit just below the monitor stack
744 * bottom without overwriting the area allocated
745 * above for command line args and board info.
746 */
747 asm( "mr %0,1": "=r"(nsp) : );
748 nsp -= 2048; /* just to be sure */
749 nsp &= ~0xF;
750 if (nsp > initrd_high) /* limit as specified */
751 nsp = initrd_high;
752 nsp -= len;
753 nsp &= ~(4096 - 1); /* align on page */
754 if (nsp >= sp)
755 initrd_start = nsp;
756 }
757
758 SHOW_BOOT_PROGRESS (12);
759
760 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
761 data, data + len - 1, len, len);
762
763 initrd_end = initrd_start + len;
764 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
765 initrd_start, initrd_end);
766 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
767 {
768 size_t l = len;
769 void *to = (void *)initrd_start;
770 void *from = (void *)data;
771
772 while (l > 0) {
773 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
774 WATCHDOG_RESET();
775 memmove (to, from, tail);
776 to += tail;
777 from += tail;
778 l -= tail;
779 }
780 }
781 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
782 memmove ((void *)initrd_start, (void *)data, len);
783 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
784 puts ("OK\n");
785 }
786 } else {
787 initrd_start = 0;
788 initrd_end = 0;
789 }
790
791 #ifdef CONFIG_OF_FLAT_TREE
792 if (initrd_start == 0)
793 of_flat_tree = (char *)(((ulong)kbd - OF_FLAT_TREE_MAX_SIZE -
794 sizeof(bd_t)) & ~0xF);
795 else
796 of_flat_tree = (char *)((initrd_start - OF_FLAT_TREE_MAX_SIZE -
797 sizeof(bd_t)) & ~0xF);
798 #endif
799
800 debug ("## Transferring control to Linux (at address %08lx) ...\n",
801 (ulong)kernel);
802
803 SHOW_BOOT_PROGRESS (15);
804
805 #ifndef CONFIG_OF_FLAT_TREE
806
807 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
808 unlock_ram_in_cache();
809 #endif
810
811 /*
812 * Linux Kernel Parameters:
813 * r3: ptr to board info data
814 * r4: initrd_start or 0 if no initrd
815 * r5: initrd_end - unused if r4 is 0
816 * r6: Start of command line string
817 * r7: End of command line string
818 */
819 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
820
821 #else
822 ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd, initrd_start, initrd_end);
823 /* ft_dump_blob(of_flat_tree); */
824
825 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
826 unlock_ram_in_cache();
827 #endif
828 /*
829 * Linux Kernel Parameters:
830 * r3: ptr to OF flat tree, followed by the board info data
831 * r4: physical pointer to the kernel itself
832 * r5: NULL
833 * r6: NULL
834 * r7: NULL
835 */
836 if (getenv("disable_of") != NULL)
837 (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end,
838 cmd_start, cmd_end);
839 else
840 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
841
842 #endif
843 }
844 #endif /* CONFIG_PPC */
845
846 static void
847 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
848 int argc, char *argv[],
849 ulong addr,
850 ulong *len_ptr,
851 int verify)
852 {
853 DECLARE_GLOBAL_DATA_PTR;
854
855 image_header_t *hdr = &header;
856
857 void (*loader)(bd_t *, image_header_t *, char *, char *);
858 image_header_t *img_addr;
859 char *consdev;
860 char *cmdline;
861
862
863 /*
864 * Booting a (NetBSD) kernel image
865 *
866 * This process is pretty similar to a standalone application:
867 * The (first part of an multi-) image must be a stage-2 loader,
868 * which in turn is responsible for loading & invoking the actual
869 * kernel. The only differences are the parameters being passed:
870 * besides the board info strucure, the loader expects a command
871 * line, the name of the console device, and (optionally) the
872 * address of the original image header.
873 */
874
875 img_addr = 0;
876 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
877 img_addr = (image_header_t *) addr;
878
879
880 consdev = "";
881 #if defined (CONFIG_8xx_CONS_SMC1)
882 consdev = "smc1";
883 #elif defined (CONFIG_8xx_CONS_SMC2)
884 consdev = "smc2";
885 #elif defined (CONFIG_8xx_CONS_SCC2)
886 consdev = "scc2";
887 #elif defined (CONFIG_8xx_CONS_SCC3)
888 consdev = "scc3";
889 #endif
890
891 if (argc > 2) {
892 ulong len;
893 int i;
894
895 for (i=2, len=0 ; i<argc ; i+=1)
896 len += strlen (argv[i]) + 1;
897 cmdline = malloc (len);
898
899 for (i=2, len=0 ; i<argc ; i+=1) {
900 if (i > 2)
901 cmdline[len++] = ' ';
902 strcpy (&cmdline[len], argv[i]);
903 len += strlen (argv[i]);
904 }
905 } else if ((cmdline = getenv("bootargs")) == NULL) {
906 cmdline = "";
907 }
908
909 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep;
910
911 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
912 (ulong)loader);
913
914 SHOW_BOOT_PROGRESS (15);
915
916 /*
917 * NetBSD Stage-2 Loader Parameters:
918 * r3: ptr to board info data
919 * r4: image address
920 * r5: console device
921 * r6: boot args string
922 */
923 (*loader) (gd->bd, img_addr, consdev, cmdline);
924 }
925
926 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
927
928 /* Function that returns a character from the environment */
929 extern uchar (*env_get_char)(int);
930
931 static void
932 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
933 int argc, char *argv[],
934 ulong addr,
935 ulong *len_ptr,
936 int verify)
937 {
938 DECLARE_GLOBAL_DATA_PTR;
939 ulong top;
940 char *s, *cmdline;
941 char **fwenv, **ss;
942 int i, j, nxt, len, envno, envsz;
943 bd_t *kbd;
944 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
945 image_header_t *hdr = &header;
946
947 /*
948 * Booting an ARTOS kernel image + application
949 */
950
951 /* this used to be the top of memory, but was wrong... */
952 #ifdef CONFIG_PPC
953 /* get stack pointer */
954 asm volatile ("mr %0,1" : "=r"(top) );
955 #endif
956 debug ("## Current stack ends at 0x%08lX ", top);
957
958 top -= 2048; /* just to be sure */
959 if (top > CFG_BOOTMAPSZ)
960 top = CFG_BOOTMAPSZ;
961 top &= ~0xF;
962
963 debug ("=> set upper limit to 0x%08lX\n", top);
964
965 /* first check the artos specific boot args, then the linux args*/
966 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
967 s = "";
968
969 /* get length of cmdline, and place it */
970 len = strlen(s);
971 top = (top - (len + 1)) & ~0xF;
972 cmdline = (char *)top;
973 debug ("## cmdline at 0x%08lX ", top);
974 strcpy(cmdline, s);
975
976 /* copy bdinfo */
977 top = (top - sizeof(bd_t)) & ~0xF;
978 debug ("## bd at 0x%08lX ", top);
979 kbd = (bd_t *)top;
980 memcpy(kbd, gd->bd, sizeof(bd_t));
981
982 /* first find number of env entries, and their size */
983 envno = 0;
984 envsz = 0;
985 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
986 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
987 ;
988 envno++;
989 envsz += (nxt - i) + 1; /* plus trailing zero */
990 }
991 envno++; /* plus the terminating zero */
992 debug ("## %u envvars total size %u ", envno, envsz);
993
994 top = (top - sizeof(char **)*envno) & ~0xF;
995 fwenv = (char **)top;
996 debug ("## fwenv at 0x%08lX ", top);
997
998 top = (top - envsz) & ~0xF;
999 s = (char *)top;
1000 ss = fwenv;
1001
1002 /* now copy them */
1003 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1004 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1005 ;
1006 *ss++ = s;
1007 for (j = i; j < nxt; ++j)
1008 *s++ = env_get_char(j);
1009 *s++ = '\0';
1010 }
1011 *ss++ = NULL; /* terminate */
1012
1013 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1014 (*entry)(kbd, cmdline, fwenv, top);
1015 }
1016 #endif
1017
1018
1019 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1020 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1021 {
1022 int rcode = 0;
1023 #ifndef CFG_HUSH_PARSER
1024 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1025 #else
1026 if (parse_string_outer(getenv("bootcmd"),
1027 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1028 #endif
1029 return rcode;
1030 }
1031
1032 U_BOOT_CMD(
1033 boot, 1, 1, do_bootd,
1034 "boot - boot default, i.e., run 'bootcmd'\n",
1035 NULL
1036 );
1037
1038 /* keep old command name "bootd" for backward compatibility */
1039 U_BOOT_CMD(
1040 bootd, 1, 1, do_bootd,
1041 "bootd - boot default, i.e., run 'bootcmd'\n",
1042 NULL
1043 );
1044
1045 #endif
1046
1047 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1048 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1049 {
1050 int arg;
1051 ulong addr;
1052 int rcode=0;
1053
1054 if (argc < 2) {
1055 return image_info (load_addr);
1056 }
1057
1058 for (arg=1; arg <argc; ++arg) {
1059 addr = simple_strtoul(argv[arg], NULL, 16);
1060 if (image_info (addr) != 0) rcode = 1;
1061 }
1062 return rcode;
1063 }
1064
1065 static int image_info (ulong addr)
1066 {
1067 ulong data, len, checksum;
1068 image_header_t *hdr = &header;
1069
1070 printf ("\n## Checking Image at %08lx ...\n", addr);
1071
1072 /* Copy header so we can blank CRC field for re-calculation */
1073 memmove (&header, (char *)addr, sizeof(image_header_t));
1074
1075 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1076 puts (" Bad Magic Number\n");
1077 return 1;
1078 }
1079
1080 data = (ulong)&header;
1081 len = sizeof(image_header_t);
1082
1083 checksum = ntohl(hdr->ih_hcrc);
1084 hdr->ih_hcrc = 0;
1085
1086 if (crc32 (0, (uchar *)data, len) != checksum) {
1087 puts (" Bad Header Checksum\n");
1088 return 1;
1089 }
1090
1091 /* for multi-file images we need the data part, too */
1092 print_image_hdr ((image_header_t *)addr);
1093
1094 data = addr + sizeof(image_header_t);
1095 len = ntohl(hdr->ih_size);
1096
1097 puts (" Verifying Checksum ... ");
1098 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1099 puts (" Bad Data CRC\n");
1100 return 1;
1101 }
1102 puts ("OK\n");
1103 return 0;
1104 }
1105
1106 U_BOOT_CMD(
1107 iminfo, CFG_MAXARGS, 1, do_iminfo,
1108 "iminfo - print header information for application image\n",
1109 "addr [addr ...]\n"
1110 " - print header information for application image starting at\n"
1111 " address 'addr' in memory; this includes verification of the\n"
1112 " image contents (magic number, header and payload checksums)\n"
1113 );
1114
1115 #endif /* CFG_CMD_IMI */
1116
1117 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1118 /*-----------------------------------------------------------------------
1119 * List all images found in flash.
1120 */
1121 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1122 {
1123 flash_info_t *info;
1124 int i, j;
1125 image_header_t *hdr;
1126 ulong data, len, checksum;
1127
1128 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1129 if (info->flash_id == FLASH_UNKNOWN)
1130 goto next_bank;
1131 for (j=0; j<info->sector_count; ++j) {
1132
1133 if (!(hdr=(image_header_t *)info->start[j]) ||
1134 (ntohl(hdr->ih_magic) != IH_MAGIC))
1135 goto next_sector;
1136
1137 /* Copy header so we can blank CRC field for re-calculation */
1138 memmove (&header, (char *)hdr, sizeof(image_header_t));
1139
1140 checksum = ntohl(header.ih_hcrc);
1141 header.ih_hcrc = 0;
1142
1143 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1144 != checksum)
1145 goto next_sector;
1146
1147 printf ("Image at %08lX:\n", (ulong)hdr);
1148 print_image_hdr( hdr );
1149
1150 data = (ulong)hdr + sizeof(image_header_t);
1151 len = ntohl(hdr->ih_size);
1152
1153 puts (" Verifying Checksum ... ");
1154 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1155 puts (" Bad Data CRC\n");
1156 }
1157 puts ("OK\n");
1158 next_sector: ;
1159 }
1160 next_bank: ;
1161 }
1162
1163 return (0);
1164 }
1165
1166 U_BOOT_CMD(
1167 imls, 1, 1, do_imls,
1168 "imls - list all images found in flash\n",
1169 "\n"
1170 " - Prints information about all images found at sector\n"
1171 " boundaries in flash.\n"
1172 );
1173 #endif /* CFG_CMD_IMLS */
1174
1175 void
1176 print_image_hdr (image_header_t *hdr)
1177 {
1178 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1179 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1180 struct rtc_time tm;
1181 #endif
1182
1183 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1184 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1185 to_tm (timestamp, &tm);
1186 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1187 tm.tm_year, tm.tm_mon, tm.tm_mday,
1188 tm.tm_hour, tm.tm_min, tm.tm_sec);
1189 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1190 puts (" Image Type: "); print_type(hdr);
1191 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1192 print_size (ntohl(hdr->ih_size), "\n");
1193 printf (" Load Address: %08x\n"
1194 " Entry Point: %08x\n",
1195 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1196
1197 if (hdr->ih_type == IH_TYPE_MULTI) {
1198 int i;
1199 ulong len;
1200 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1201
1202 puts (" Contents:\n");
1203 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1204 printf (" Image %d: %8ld Bytes = ", i, len);
1205 print_size (len, "\n");
1206 }
1207 }
1208 }
1209
1210
1211 static void
1212 print_type (image_header_t *hdr)
1213 {
1214 char *os, *arch, *type, *comp;
1215
1216 switch (hdr->ih_os) {
1217 case IH_OS_INVALID: os = "Invalid OS"; break;
1218 case IH_OS_NETBSD: os = "NetBSD"; break;
1219 case IH_OS_LINUX: os = "Linux"; break;
1220 case IH_OS_VXWORKS: os = "VxWorks"; break;
1221 case IH_OS_QNX: os = "QNX"; break;
1222 case IH_OS_U_BOOT: os = "U-Boot"; break;
1223 case IH_OS_RTEMS: os = "RTEMS"; break;
1224 #ifdef CONFIG_ARTOS
1225 case IH_OS_ARTOS: os = "ARTOS"; break;
1226 #endif
1227 #ifdef CONFIG_LYNXKDI
1228 case IH_OS_LYNXOS: os = "LynxOS"; break;
1229 #endif
1230 default: os = "Unknown OS"; break;
1231 }
1232
1233 switch (hdr->ih_arch) {
1234 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1235 case IH_CPU_ALPHA: arch = "Alpha"; break;
1236 case IH_CPU_ARM: arch = "ARM"; break;
1237 case IH_CPU_I386: arch = "Intel x86"; break;
1238 case IH_CPU_IA64: arch = "IA64"; break;
1239 case IH_CPU_MIPS: arch = "MIPS"; break;
1240 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1241 case IH_CPU_PPC: arch = "PowerPC"; break;
1242 case IH_CPU_S390: arch = "IBM S390"; break;
1243 case IH_CPU_SH: arch = "SuperH"; break;
1244 case IH_CPU_SPARC: arch = "SPARC"; break;
1245 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1246 case IH_CPU_M68K: arch = "M68K"; break;
1247 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1248 case IH_CPU_NIOS: arch = "Nios"; break;
1249 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1250 default: arch = "Unknown Architecture"; break;
1251 }
1252
1253 switch (hdr->ih_type) {
1254 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1255 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1256 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1257 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1258 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1259 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1260 case IH_TYPE_SCRIPT: type = "Script"; break;
1261 default: type = "Unknown Image"; break;
1262 }
1263
1264 switch (hdr->ih_comp) {
1265 case IH_COMP_NONE: comp = "uncompressed"; break;
1266 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1267 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1268 default: comp = "unknown compression"; break;
1269 }
1270
1271 printf ("%s %s %s (%s)", arch, os, type, comp);
1272 }
1273
1274 #define ZALLOC_ALIGNMENT 16
1275
1276 static void *zalloc(void *x, unsigned items, unsigned size)
1277 {
1278 void *p;
1279
1280 size *= items;
1281 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1282
1283 p = malloc (size);
1284
1285 return (p);
1286 }
1287
1288 static void zfree(void *x, void *addr, unsigned nb)
1289 {
1290 free (addr);
1291 }
1292
1293 #define HEAD_CRC 2
1294 #define EXTRA_FIELD 4
1295 #define ORIG_NAME 8
1296 #define COMMENT 0x10
1297 #define RESERVED 0xe0
1298
1299 #define DEFLATED 8
1300
1301 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1302 {
1303 z_stream s;
1304 int r, i, flags;
1305
1306 /* skip header */
1307 i = 10;
1308 flags = src[3];
1309 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1310 puts ("Error: Bad gzipped data\n");
1311 return (-1);
1312 }
1313 if ((flags & EXTRA_FIELD) != 0)
1314 i = 12 + src[10] + (src[11] << 8);
1315 if ((flags & ORIG_NAME) != 0)
1316 while (src[i++] != 0)
1317 ;
1318 if ((flags & COMMENT) != 0)
1319 while (src[i++] != 0)
1320 ;
1321 if ((flags & HEAD_CRC) != 0)
1322 i += 2;
1323 if (i >= *lenp) {
1324 puts ("Error: gunzip out of data in header\n");
1325 return (-1);
1326 }
1327
1328 s.zalloc = zalloc;
1329 s.zfree = zfree;
1330 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1331 s.outcb = (cb_func)WATCHDOG_RESET;
1332 #else
1333 s.outcb = Z_NULL;
1334 #endif /* CONFIG_HW_WATCHDOG */
1335
1336 r = inflateInit2(&s, -MAX_WBITS);
1337 if (r != Z_OK) {
1338 printf ("Error: inflateInit2() returned %d\n", r);
1339 return (-1);
1340 }
1341 s.next_in = src + i;
1342 s.avail_in = *lenp - i;
1343 s.next_out = dst;
1344 s.avail_out = dstlen;
1345 r = inflate(&s, Z_FINISH);
1346 if (r != Z_OK && r != Z_STREAM_END) {
1347 printf ("Error: inflate() returned %d\n", r);
1348 return (-1);
1349 }
1350 *lenp = s.next_out - (unsigned char *) dst;
1351 inflateEnd(&s);
1352
1353 return (0);
1354 }
1355
1356 #ifdef CONFIG_BZIP2
1357 void bz_internal_error(int errcode)
1358 {
1359 printf ("BZIP2 internal error %d\n", errcode);
1360 }
1361 #endif /* CONFIG_BZIP2 */
1362
1363 static void
1364 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1365 ulong addr, ulong *len_ptr, int verify)
1366 {
1367 DECLARE_GLOBAL_DATA_PTR;
1368 image_header_t *hdr = &header;
1369 void (*entry_point)(bd_t *);
1370
1371 entry_point = (void (*)(bd_t *)) hdr->ih_ep;
1372
1373 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1374 (ulong)entry_point);
1375
1376 SHOW_BOOT_PROGRESS (15);
1377
1378 /*
1379 * RTEMS Parameters:
1380 * r3: ptr to board info data
1381 */
1382
1383 (*entry_point ) ( gd->bd );
1384 }
1385
1386 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1387 static void
1388 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1389 ulong addr, ulong *len_ptr, int verify)
1390 {
1391 image_header_t *hdr = &header;
1392 char str[80];
1393
1394 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1395 setenv("loadaddr", str);
1396 do_bootvx(cmdtp, 0, 0, NULL);
1397 }
1398
1399 static void
1400 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1401 ulong addr, ulong *len_ptr, int verify)
1402 {
1403 image_header_t *hdr = &header;
1404 char *local_args[2];
1405 char str[16];
1406
1407 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1408 local_args[0] = argv[0];
1409 local_args[1] = str; /* and provide it via the arguments */
1410 do_bootelf(cmdtp, 0, 2, local_args);
1411 }
1412 #endif /* CFG_CMD_ELF */
1413
1414 #ifdef CONFIG_LYNXKDI
1415 static void
1416 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1417 int argc, char *argv[],
1418 ulong addr,
1419 ulong *len_ptr,
1420 int verify)
1421 {
1422 lynxkdi_boot( &header );
1423 }
1424
1425 #endif /* CONFIG_LYNXKDI */