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Cleanup for GCC-4.x
[people/ms/u-boot.git] / common / cmd_bootm.c
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[CFG_MAX_FLASH_BANKS]; /* 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);
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: initrd_start or 0 if no initrd
832 * r5: initrd_end - unused if r4 is 0
833 * r6: Start of command line string
834 * r7: End of command line string
835 */
836 (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end, cmd_start, cmd_end);
837
838 #endif
839 }
840 #endif /* CONFIG_PPC */
841
842 static void
843 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
844 int argc, char *argv[],
845 ulong addr,
846 ulong *len_ptr,
847 int verify)
848 {
849 DECLARE_GLOBAL_DATA_PTR;
850
851 image_header_t *hdr = &header;
852
853 void (*loader)(bd_t *, image_header_t *, char *, char *);
854 image_header_t *img_addr;
855 char *consdev;
856 char *cmdline;
857
858
859 /*
860 * Booting a (NetBSD) kernel image
861 *
862 * This process is pretty similar to a standalone application:
863 * The (first part of an multi-) image must be a stage-2 loader,
864 * which in turn is responsible for loading & invoking the actual
865 * kernel. The only differences are the parameters being passed:
866 * besides the board info strucure, the loader expects a command
867 * line, the name of the console device, and (optionally) the
868 * address of the original image header.
869 */
870
871 img_addr = 0;
872 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
873 img_addr = (image_header_t *) addr;
874
875
876 consdev = "";
877 #if defined (CONFIG_8xx_CONS_SMC1)
878 consdev = "smc1";
879 #elif defined (CONFIG_8xx_CONS_SMC2)
880 consdev = "smc2";
881 #elif defined (CONFIG_8xx_CONS_SCC2)
882 consdev = "scc2";
883 #elif defined (CONFIG_8xx_CONS_SCC3)
884 consdev = "scc3";
885 #endif
886
887 if (argc > 2) {
888 ulong len;
889 int i;
890
891 for (i=2, len=0 ; i<argc ; i+=1)
892 len += strlen (argv[i]) + 1;
893 cmdline = malloc (len);
894
895 for (i=2, len=0 ; i<argc ; i+=1) {
896 if (i > 2)
897 cmdline[len++] = ' ';
898 strcpy (&cmdline[len], argv[i]);
899 len += strlen (argv[i]);
900 }
901 } else if ((cmdline = getenv("bootargs")) == NULL) {
902 cmdline = "";
903 }
904
905 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep;
906
907 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
908 (ulong)loader);
909
910 SHOW_BOOT_PROGRESS (15);
911
912 /*
913 * NetBSD Stage-2 Loader Parameters:
914 * r3: ptr to board info data
915 * r4: image address
916 * r5: console device
917 * r6: boot args string
918 */
919 (*loader) (gd->bd, img_addr, consdev, cmdline);
920 }
921
922 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
923
924 /* Function that returns a character from the environment */
925 extern uchar (*env_get_char)(int);
926
927 static void
928 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
929 int argc, char *argv[],
930 ulong addr,
931 ulong *len_ptr,
932 int verify)
933 {
934 DECLARE_GLOBAL_DATA_PTR;
935 ulong top;
936 char *s, *cmdline;
937 char **fwenv, **ss;
938 int i, j, nxt, len, envno, envsz;
939 bd_t *kbd;
940 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
941 image_header_t *hdr = &header;
942
943 /*
944 * Booting an ARTOS kernel image + application
945 */
946
947 /* this used to be the top of memory, but was wrong... */
948 #ifdef CONFIG_PPC
949 /* get stack pointer */
950 asm volatile ("mr %0,1" : "=r"(top) );
951 #endif
952 debug ("## Current stack ends at 0x%08lX ", top);
953
954 top -= 2048; /* just to be sure */
955 if (top > CFG_BOOTMAPSZ)
956 top = CFG_BOOTMAPSZ;
957 top &= ~0xF;
958
959 debug ("=> set upper limit to 0x%08lX\n", top);
960
961 /* first check the artos specific boot args, then the linux args*/
962 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
963 s = "";
964
965 /* get length of cmdline, and place it */
966 len = strlen(s);
967 top = (top - (len + 1)) & ~0xF;
968 cmdline = (char *)top;
969 debug ("## cmdline at 0x%08lX ", top);
970 strcpy(cmdline, s);
971
972 /* copy bdinfo */
973 top = (top - sizeof(bd_t)) & ~0xF;
974 debug ("## bd at 0x%08lX ", top);
975 kbd = (bd_t *)top;
976 memcpy(kbd, gd->bd, sizeof(bd_t));
977
978 /* first find number of env entries, and their size */
979 envno = 0;
980 envsz = 0;
981 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
982 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
983 ;
984 envno++;
985 envsz += (nxt - i) + 1; /* plus trailing zero */
986 }
987 envno++; /* plus the terminating zero */
988 debug ("## %u envvars total size %u ", envno, envsz);
989
990 top = (top - sizeof(char **)*envno) & ~0xF;
991 fwenv = (char **)top;
992 debug ("## fwenv at 0x%08lX ", top);
993
994 top = (top - envsz) & ~0xF;
995 s = (char *)top;
996 ss = fwenv;
997
998 /* now copy them */
999 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1000 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1001 ;
1002 *ss++ = s;
1003 for (j = i; j < nxt; ++j)
1004 *s++ = env_get_char(j);
1005 *s++ = '\0';
1006 }
1007 *ss++ = NULL; /* terminate */
1008
1009 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1010 (*entry)(kbd, cmdline, fwenv, top);
1011 }
1012 #endif
1013
1014
1015 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1016 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1017 {
1018 int rcode = 0;
1019 #ifndef CFG_HUSH_PARSER
1020 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1021 #else
1022 if (parse_string_outer(getenv("bootcmd"),
1023 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1024 #endif
1025 return rcode;
1026 }
1027
1028 U_BOOT_CMD(
1029 boot, 1, 1, do_bootd,
1030 "boot - boot default, i.e., run 'bootcmd'\n",
1031 NULL
1032 );
1033
1034 /* keep old command name "bootd" for backward compatibility */
1035 U_BOOT_CMD(
1036 bootd, 1, 1, do_bootd,
1037 "bootd - boot default, i.e., run 'bootcmd'\n",
1038 NULL
1039 );
1040
1041 #endif
1042
1043 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1044 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1045 {
1046 int arg;
1047 ulong addr;
1048 int rcode=0;
1049
1050 if (argc < 2) {
1051 return image_info (load_addr);
1052 }
1053
1054 for (arg=1; arg <argc; ++arg) {
1055 addr = simple_strtoul(argv[arg], NULL, 16);
1056 if (image_info (addr) != 0) rcode = 1;
1057 }
1058 return rcode;
1059 }
1060
1061 static int image_info (ulong addr)
1062 {
1063 ulong data, len, checksum;
1064 image_header_t *hdr = &header;
1065
1066 printf ("\n## Checking Image at %08lx ...\n", addr);
1067
1068 /* Copy header so we can blank CRC field for re-calculation */
1069 memmove (&header, (char *)addr, sizeof(image_header_t));
1070
1071 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1072 puts (" Bad Magic Number\n");
1073 return 1;
1074 }
1075
1076 data = (ulong)&header;
1077 len = sizeof(image_header_t);
1078
1079 checksum = ntohl(hdr->ih_hcrc);
1080 hdr->ih_hcrc = 0;
1081
1082 if (crc32 (0, (uchar *)data, len) != checksum) {
1083 puts (" Bad Header Checksum\n");
1084 return 1;
1085 }
1086
1087 /* for multi-file images we need the data part, too */
1088 print_image_hdr ((image_header_t *)addr);
1089
1090 data = addr + sizeof(image_header_t);
1091 len = ntohl(hdr->ih_size);
1092
1093 puts (" Verifying Checksum ... ");
1094 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1095 puts (" Bad Data CRC\n");
1096 return 1;
1097 }
1098 puts ("OK\n");
1099 return 0;
1100 }
1101
1102 U_BOOT_CMD(
1103 iminfo, CFG_MAXARGS, 1, do_iminfo,
1104 "iminfo - print header information for application image\n",
1105 "addr [addr ...]\n"
1106 " - print header information for application image starting at\n"
1107 " address 'addr' in memory; this includes verification of the\n"
1108 " image contents (magic number, header and payload checksums)\n"
1109 );
1110
1111 #endif /* CFG_CMD_IMI */
1112
1113 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1114 /*-----------------------------------------------------------------------
1115 * List all images found in flash.
1116 */
1117 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1118 {
1119 flash_info_t *info;
1120 int i, j;
1121 image_header_t *hdr;
1122 ulong data, len, checksum;
1123
1124 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1125 if (info->flash_id == FLASH_UNKNOWN)
1126 goto next_bank;
1127 for (j=0; j<CFG_MAX_FLASH_SECT; ++j) {
1128
1129 if (!(hdr=(image_header_t *)info->start[j]) ||
1130 (ntohl(hdr->ih_magic) != IH_MAGIC))
1131 goto next_sector;
1132
1133 /* Copy header so we can blank CRC field for re-calculation */
1134 memmove (&header, (char *)hdr, sizeof(image_header_t));
1135
1136 checksum = ntohl(header.ih_hcrc);
1137 header.ih_hcrc = 0;
1138
1139 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1140 != checksum)
1141 goto next_sector;
1142
1143 printf ("Image at %08lX:\n", (ulong)hdr);
1144 print_image_hdr( hdr );
1145
1146 data = (ulong)hdr + sizeof(image_header_t);
1147 len = ntohl(hdr->ih_size);
1148
1149 puts (" Verifying Checksum ... ");
1150 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1151 puts (" Bad Data CRC\n");
1152 }
1153 puts ("OK\n");
1154 next_sector: ;
1155 }
1156 next_bank: ;
1157 }
1158
1159 return (0);
1160 }
1161
1162 U_BOOT_CMD(
1163 imls, 1, 1, do_imls,
1164 "imls - list all images found in flash\n",
1165 "\n"
1166 " - Prints information about all images found at sector\n"
1167 " boundaries in flash.\n"
1168 );
1169 #endif /* CFG_CMD_IMLS */
1170
1171 void
1172 print_image_hdr (image_header_t *hdr)
1173 {
1174 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1175 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1176 struct rtc_time tm;
1177 #endif
1178
1179 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1180 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1181 to_tm (timestamp, &tm);
1182 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1183 tm.tm_year, tm.tm_mon, tm.tm_mday,
1184 tm.tm_hour, tm.tm_min, tm.tm_sec);
1185 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1186 puts (" Image Type: "); print_type(hdr);
1187 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1188 print_size (ntohl(hdr->ih_size), "\n");
1189 printf (" Load Address: %08x\n"
1190 " Entry Point: %08x\n",
1191 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1192
1193 if (hdr->ih_type == IH_TYPE_MULTI) {
1194 int i;
1195 ulong len;
1196 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1197
1198 puts (" Contents:\n");
1199 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1200 printf (" Image %d: %8ld Bytes = ", i, len);
1201 print_size (len, "\n");
1202 }
1203 }
1204 }
1205
1206
1207 static void
1208 print_type (image_header_t *hdr)
1209 {
1210 char *os, *arch, *type, *comp;
1211
1212 switch (hdr->ih_os) {
1213 case IH_OS_INVALID: os = "Invalid OS"; break;
1214 case IH_OS_NETBSD: os = "NetBSD"; break;
1215 case IH_OS_LINUX: os = "Linux"; break;
1216 case IH_OS_VXWORKS: os = "VxWorks"; break;
1217 case IH_OS_QNX: os = "QNX"; break;
1218 case IH_OS_U_BOOT: os = "U-Boot"; break;
1219 case IH_OS_RTEMS: os = "RTEMS"; break;
1220 #ifdef CONFIG_ARTOS
1221 case IH_OS_ARTOS: os = "ARTOS"; break;
1222 #endif
1223 #ifdef CONFIG_LYNXKDI
1224 case IH_OS_LYNXOS: os = "LynxOS"; break;
1225 #endif
1226 default: os = "Unknown OS"; break;
1227 }
1228
1229 switch (hdr->ih_arch) {
1230 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1231 case IH_CPU_ALPHA: arch = "Alpha"; break;
1232 case IH_CPU_ARM: arch = "ARM"; break;
1233 case IH_CPU_I386: arch = "Intel x86"; break;
1234 case IH_CPU_IA64: arch = "IA64"; break;
1235 case IH_CPU_MIPS: arch = "MIPS"; break;
1236 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1237 case IH_CPU_PPC: arch = "PowerPC"; break;
1238 case IH_CPU_S390: arch = "IBM S390"; break;
1239 case IH_CPU_SH: arch = "SuperH"; break;
1240 case IH_CPU_SPARC: arch = "SPARC"; break;
1241 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1242 case IH_CPU_M68K: arch = "M68K"; break;
1243 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1244 case IH_CPU_NIOS: arch = "Nios"; break;
1245 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1246 default: arch = "Unknown Architecture"; break;
1247 }
1248
1249 switch (hdr->ih_type) {
1250 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1251 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1252 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1253 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1254 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1255 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1256 case IH_TYPE_SCRIPT: type = "Script"; break;
1257 default: type = "Unknown Image"; break;
1258 }
1259
1260 switch (hdr->ih_comp) {
1261 case IH_COMP_NONE: comp = "uncompressed"; break;
1262 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1263 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1264 default: comp = "unknown compression"; break;
1265 }
1266
1267 printf ("%s %s %s (%s)", arch, os, type, comp);
1268 }
1269
1270 #define ZALLOC_ALIGNMENT 16
1271
1272 static void *zalloc(void *x, unsigned items, unsigned size)
1273 {
1274 void *p;
1275
1276 size *= items;
1277 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1278
1279 p = malloc (size);
1280
1281 return (p);
1282 }
1283
1284 static void zfree(void *x, void *addr, unsigned nb)
1285 {
1286 free (addr);
1287 }
1288
1289 #define HEAD_CRC 2
1290 #define EXTRA_FIELD 4
1291 #define ORIG_NAME 8
1292 #define COMMENT 0x10
1293 #define RESERVED 0xe0
1294
1295 #define DEFLATED 8
1296
1297 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1298 {
1299 z_stream s;
1300 int r, i, flags;
1301
1302 /* skip header */
1303 i = 10;
1304 flags = src[3];
1305 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1306 puts ("Error: Bad gzipped data\n");
1307 return (-1);
1308 }
1309 if ((flags & EXTRA_FIELD) != 0)
1310 i = 12 + src[10] + (src[11] << 8);
1311 if ((flags & ORIG_NAME) != 0)
1312 while (src[i++] != 0)
1313 ;
1314 if ((flags & COMMENT) != 0)
1315 while (src[i++] != 0)
1316 ;
1317 if ((flags & HEAD_CRC) != 0)
1318 i += 2;
1319 if (i >= *lenp) {
1320 puts ("Error: gunzip out of data in header\n");
1321 return (-1);
1322 }
1323
1324 s.zalloc = zalloc;
1325 s.zfree = zfree;
1326 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1327 s.outcb = (cb_func)WATCHDOG_RESET;
1328 #else
1329 s.outcb = Z_NULL;
1330 #endif /* CONFIG_HW_WATCHDOG */
1331
1332 r = inflateInit2(&s, -MAX_WBITS);
1333 if (r != Z_OK) {
1334 printf ("Error: inflateInit2() returned %d\n", r);
1335 return (-1);
1336 }
1337 s.next_in = src + i;
1338 s.avail_in = *lenp - i;
1339 s.next_out = dst;
1340 s.avail_out = dstlen;
1341 r = inflate(&s, Z_FINISH);
1342 if (r != Z_OK && r != Z_STREAM_END) {
1343 printf ("Error: inflate() returned %d\n", r);
1344 return (-1);
1345 }
1346 *lenp = s.next_out - (unsigned char *) dst;
1347 inflateEnd(&s);
1348
1349 return (0);
1350 }
1351
1352 #ifdef CONFIG_BZIP2
1353 void bz_internal_error(int errcode)
1354 {
1355 printf ("BZIP2 internal error %d\n", errcode);
1356 }
1357 #endif /* CONFIG_BZIP2 */
1358
1359 static void
1360 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1361 ulong addr, ulong *len_ptr, int verify)
1362 {
1363 DECLARE_GLOBAL_DATA_PTR;
1364 image_header_t *hdr = &header;
1365 void (*entry_point)(bd_t *);
1366
1367 entry_point = (void (*)(bd_t *)) hdr->ih_ep;
1368
1369 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1370 (ulong)entry_point);
1371
1372 SHOW_BOOT_PROGRESS (15);
1373
1374 /*
1375 * RTEMS Parameters:
1376 * r3: ptr to board info data
1377 */
1378
1379 (*entry_point ) ( gd->bd );
1380 }
1381
1382 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1383 static void
1384 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1385 ulong addr, ulong *len_ptr, int verify)
1386 {
1387 image_header_t *hdr = &header;
1388 char str[80];
1389
1390 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1391 setenv("loadaddr", str);
1392 do_bootvx(cmdtp, 0, 0, NULL);
1393 }
1394
1395 static void
1396 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1397 ulong addr, ulong *len_ptr, int verify)
1398 {
1399 image_header_t *hdr = &header;
1400 char *local_args[2];
1401 char str[16];
1402
1403 sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
1404 local_args[0] = argv[0];
1405 local_args[1] = str; /* and provide it via the arguments */
1406 do_bootelf(cmdtp, 0, 2, local_args);
1407 }
1408 #endif /* CFG_CMD_ELF */
1409
1410 #ifdef CONFIG_LYNXKDI
1411 static void
1412 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1413 int argc, char *argv[],
1414 ulong addr,
1415 ulong *len_ptr,
1416 int verify)
1417 {
1418 lynxkdi_boot( &header );
1419 }
1420
1421 #endif /* CONFIG_LYNXKDI */
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