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[people/ms/u-boot.git] / common / cmd_bootm.c
1 /*
2 * (C) Copyright 2000-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24 /*
25 * Boot support
26 */
27 #include <common.h>
28 #include <watchdog.h>
29 #include <command.h>
30 #include <image.h>
31 #include <malloc.h>
32 #include <zlib.h>
33 #include <bzlib.h>
34 #include <environment.h>
35 #include <asm/byteorder.h>
36
37 #ifdef CONFIG_OF_FLAT_TREE
38 #include <ft_build.h>
39 #endif
40
41 DECLARE_GLOBAL_DATA_PTR;
42
43 /*cmd_boot.c*/
44 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
45
46 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
47 #include <rtc.h>
48 #endif
49
50 #ifdef CFG_HUSH_PARSER
51 #include <hush.h>
52 #endif
53
54 #ifdef CONFIG_SHOW_BOOT_PROGRESS
55 # include <status_led.h>
56 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
57 #else
58 # define SHOW_BOOT_PROGRESS(arg)
59 #endif
60
61 #ifdef CFG_INIT_RAM_LOCK
62 #include <asm/cache.h>
63 #endif
64
65 #ifdef CONFIG_LOGBUFFER
66 #include <logbuff.h>
67 #endif
68
69 #ifdef CONFIG_HAS_DATAFLASH
70 #include <dataflash.h>
71 #endif
72
73 /*
74 * Some systems (for example LWMON) have very short watchdog periods;
75 * we must make sure to split long operations like memmove() or
76 * crc32() into reasonable chunks.
77 */
78 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
79 # define CHUNKSZ (64 * 1024)
80 #endif
81
82 int gunzip (void *, int, unsigned char *, unsigned long *);
83
84 static void *zalloc(void *, unsigned, unsigned);
85 static void zfree(void *, void *, unsigned);
86
87 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
88 static int image_info (unsigned long addr);
89 #endif
90
91 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
92 #include <flash.h>
93 extern flash_info_t flash_info[]; /* info for FLASH chips */
94 static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
95 #endif
96
97 static void print_type (image_header_t *hdr);
98
99 #ifdef __I386__
100 image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
101 #endif
102
103 /*
104 * Continue booting an OS image; caller already has:
105 * - copied image header to global variable `header'
106 * - checked header magic number, checksums (both header & image),
107 * - verified image architecture (PPC) and type (KERNEL or MULTI),
108 * - loaded (first part of) image to header load address,
109 * - disabled interrupts.
110 */
111 typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
112 int argc, char *argv[],
113 ulong addr, /* of image to boot */
114 ulong *len_ptr, /* multi-file image length table */
115 int verify); /* getenv("verify")[0] != 'n' */
116
117 #ifdef DEBUG
118 extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
119 #endif
120
121 #ifdef CONFIG_PPC
122 static boot_os_Fcn do_bootm_linux;
123 #else
124 extern boot_os_Fcn do_bootm_linux;
125 #endif
126 #ifdef CONFIG_SILENT_CONSOLE
127 static void fixup_silent_linux (void);
128 #endif
129 static boot_os_Fcn do_bootm_netbsd;
130 static boot_os_Fcn do_bootm_rtems;
131 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
132 static boot_os_Fcn do_bootm_vxworks;
133 static boot_os_Fcn do_bootm_qnxelf;
134 int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
135 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
136 #endif /* CFG_CMD_ELF */
137 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
138 static boot_os_Fcn do_bootm_artos;
139 #endif
140 #ifdef CONFIG_LYNXKDI
141 static boot_os_Fcn do_bootm_lynxkdi;
142 extern void lynxkdi_boot( image_header_t * );
143 #endif
144
145 #ifndef CFG_BOOTM_LEN
146 #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
147 #endif
148
149 image_header_t header;
150
151 ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
152
153 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
154 {
155 ulong iflag;
156 ulong addr;
157 ulong data, len, checksum;
158 ulong *len_ptr;
159 uint unc_len = CFG_BOOTM_LEN;
160 int i, verify;
161 char *name, *s;
162 int (*appl)(int, char *[]);
163 image_header_t *hdr = &header;
164
165 s = getenv ("verify");
166 verify = (s && (*s == 'n')) ? 0 : 1;
167
168 if (argc < 2) {
169 addr = load_addr;
170 } else {
171 addr = simple_strtoul(argv[1], NULL, 16);
172 }
173
174 SHOW_BOOT_PROGRESS (1);
175 printf ("## Booting image at %08lx ...\n", addr);
176
177 /* Copy header so we can blank CRC field for re-calculation */
178 #ifdef CONFIG_HAS_DATAFLASH
179 if (addr_dataflash(addr)){
180 read_dataflash(addr, sizeof(image_header_t), (char *)&header);
181 } else
182 #endif
183 memmove (&header, (char *)addr, sizeof(image_header_t));
184
185 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
186 #ifdef __I386__ /* correct image format not implemented yet - fake it */
187 if (fake_header(hdr, (void*)addr, -1) != NULL) {
188 /* to compensate for the addition below */
189 addr -= sizeof(image_header_t);
190 /* turnof verify,
191 * fake_header() does not fake the data crc
192 */
193 verify = 0;
194 } else
195 #endif /* __I386__ */
196 {
197 puts ("Bad Magic Number\n");
198 SHOW_BOOT_PROGRESS (-1);
199 return 1;
200 }
201 }
202 SHOW_BOOT_PROGRESS (2);
203
204 data = (ulong)&header;
205 len = sizeof(image_header_t);
206
207 checksum = ntohl(hdr->ih_hcrc);
208 hdr->ih_hcrc = 0;
209
210 if (crc32 (0, (uchar *)data, len) != checksum) {
211 puts ("Bad Header Checksum\n");
212 SHOW_BOOT_PROGRESS (-2);
213 return 1;
214 }
215 SHOW_BOOT_PROGRESS (3);
216
217 #ifdef CONFIG_HAS_DATAFLASH
218 if (addr_dataflash(addr)){
219 len = ntohl(hdr->ih_size) + sizeof(image_header_t);
220 read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
221 addr = CFG_LOAD_ADDR;
222 }
223 #endif
224
225
226 /* for multi-file images we need the data part, too */
227 print_image_hdr ((image_header_t *)addr);
228
229 data = addr + sizeof(image_header_t);
230 len = ntohl(hdr->ih_size);
231
232 if (verify) {
233 puts (" Verifying Checksum ... ");
234 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
235 printf ("Bad Data CRC\n");
236 SHOW_BOOT_PROGRESS (-3);
237 return 1;
238 }
239 puts ("OK\n");
240 }
241 SHOW_BOOT_PROGRESS (4);
242
243 len_ptr = (ulong *)data;
244
245 #if defined(__PPC__)
246 if (hdr->ih_arch != IH_CPU_PPC)
247 #elif defined(__ARM__)
248 if (hdr->ih_arch != IH_CPU_ARM)
249 #elif defined(__I386__)
250 if (hdr->ih_arch != IH_CPU_I386)
251 #elif defined(__mips__)
252 if (hdr->ih_arch != IH_CPU_MIPS)
253 #elif defined(__nios__)
254 if (hdr->ih_arch != IH_CPU_NIOS)
255 #elif defined(__M68K__)
256 if (hdr->ih_arch != IH_CPU_M68K)
257 #elif defined(__microblaze__)
258 if (hdr->ih_arch != IH_CPU_MICROBLAZE)
259 #elif defined(__nios2__)
260 if (hdr->ih_arch != IH_CPU_NIOS2)
261 #elif defined(__blackfin__)
262 if (hdr->ih_arch != IH_CPU_BLACKFIN)
263 #else
264 # error Unknown CPU type
265 #endif
266 {
267 printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
268 SHOW_BOOT_PROGRESS (-4);
269 return 1;
270 }
271 SHOW_BOOT_PROGRESS (5);
272
273 switch (hdr->ih_type) {
274 case IH_TYPE_STANDALONE:
275 name = "Standalone Application";
276 /* A second argument overwrites the load address */
277 if (argc > 2) {
278 hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
279 }
280 break;
281 case IH_TYPE_KERNEL:
282 name = "Kernel Image";
283 break;
284 case IH_TYPE_MULTI:
285 name = "Multi-File Image";
286 len = ntohl(len_ptr[0]);
287 /* OS kernel is always the first image */
288 data += 8; /* kernel_len + terminator */
289 for (i=1; len_ptr[i]; ++i)
290 data += 4;
291 break;
292 default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
293 SHOW_BOOT_PROGRESS (-5);
294 return 1;
295 }
296 SHOW_BOOT_PROGRESS (6);
297
298 /*
299 * We have reached the point of no return: we are going to
300 * overwrite all exception vector code, so we cannot easily
301 * recover from any failures any more...
302 */
303
304 iflag = disable_interrupts();
305
306 #ifdef CONFIG_AMIGAONEG3SE
307 /*
308 * We've possible left the caches enabled during
309 * bios emulation, so turn them off again
310 */
311 icache_disable();
312 invalidate_l1_instruction_cache();
313 flush_data_cache();
314 dcache_disable();
315 #endif
316
317 switch (hdr->ih_comp) {
318 case IH_COMP_NONE:
319 if(ntohl(hdr->ih_load) == addr) {
320 printf (" XIP %s ... ", name);
321 } else {
322 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
323 size_t l = len;
324 void *to = (void *)ntohl(hdr->ih_load);
325 void *from = (void *)data;
326
327 printf (" Loading %s ... ", name);
328
329 while (l > 0) {
330 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
331 WATCHDOG_RESET();
332 memmove (to, from, tail);
333 to += tail;
334 from += tail;
335 l -= tail;
336 }
337 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
338 memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
339 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
340 }
341 break;
342 case IH_COMP_GZIP:
343 printf (" Uncompressing %s ... ", name);
344 if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
345 (uchar *)data, &len) != 0) {
346 puts ("GUNZIP ERROR - must RESET board to recover\n");
347 SHOW_BOOT_PROGRESS (-6);
348 do_reset (cmdtp, flag, argc, argv);
349 }
350 break;
351 #ifdef CONFIG_BZIP2
352 case IH_COMP_BZIP2:
353 printf (" Uncompressing %s ... ", name);
354 /*
355 * If we've got less than 4 MB of malloc() space,
356 * use slower decompression algorithm which requires
357 * at most 2300 KB of memory.
358 */
359 i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
360 &unc_len, (char *)data, len,
361 CFG_MALLOC_LEN < (4096 * 1024), 0);
362 if (i != BZ_OK) {
363 printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
364 SHOW_BOOT_PROGRESS (-6);
365 udelay(100000);
366 do_reset (cmdtp, flag, argc, argv);
367 }
368 break;
369 #endif /* CONFIG_BZIP2 */
370 default:
371 if (iflag)
372 enable_interrupts();
373 printf ("Unimplemented compression type %d\n", hdr->ih_comp);
374 SHOW_BOOT_PROGRESS (-7);
375 return 1;
376 }
377 puts ("OK\n");
378 SHOW_BOOT_PROGRESS (7);
379
380 switch (hdr->ih_type) {
381 case IH_TYPE_STANDALONE:
382 if (iflag)
383 enable_interrupts();
384
385 /* load (and uncompress), but don't start if "autostart"
386 * is set to "no"
387 */
388 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
389 char buf[32];
390 sprintf(buf, "%lX", len);
391 setenv("filesize", buf);
392 return 0;
393 }
394 appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
395 (*appl)(argc-1, &argv[1]);
396 return 0;
397 case IH_TYPE_KERNEL:
398 case IH_TYPE_MULTI:
399 /* handled below */
400 break;
401 default:
402 if (iflag)
403 enable_interrupts();
404 printf ("Can't boot image type %d\n", hdr->ih_type);
405 SHOW_BOOT_PROGRESS (-8);
406 return 1;
407 }
408 SHOW_BOOT_PROGRESS (8);
409
410 switch (hdr->ih_os) {
411 default: /* handled by (original) Linux case */
412 case IH_OS_LINUX:
413 #ifdef CONFIG_SILENT_CONSOLE
414 fixup_silent_linux();
415 #endif
416 do_bootm_linux (cmdtp, flag, argc, argv,
417 addr, len_ptr, verify);
418 break;
419 case IH_OS_NETBSD:
420 do_bootm_netbsd (cmdtp, flag, argc, argv,
421 addr, len_ptr, verify);
422 break;
423
424 #ifdef CONFIG_LYNXKDI
425 case IH_OS_LYNXOS:
426 do_bootm_lynxkdi (cmdtp, flag, argc, argv,
427 addr, len_ptr, verify);
428 break;
429 #endif
430
431 case IH_OS_RTEMS:
432 do_bootm_rtems (cmdtp, flag, argc, argv,
433 addr, len_ptr, verify);
434 break;
435
436 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
437 case IH_OS_VXWORKS:
438 do_bootm_vxworks (cmdtp, flag, argc, argv,
439 addr, len_ptr, verify);
440 break;
441 case IH_OS_QNX:
442 do_bootm_qnxelf (cmdtp, flag, argc, argv,
443 addr, len_ptr, verify);
444 break;
445 #endif /* CFG_CMD_ELF */
446 #ifdef CONFIG_ARTOS
447 case IH_OS_ARTOS:
448 do_bootm_artos (cmdtp, flag, argc, argv,
449 addr, len_ptr, verify);
450 break;
451 #endif
452 }
453
454 SHOW_BOOT_PROGRESS (-9);
455 #ifdef DEBUG
456 puts ("\n## Control returned to monitor - resetting...\n");
457 do_reset (cmdtp, flag, argc, argv);
458 #endif
459 return 1;
460 }
461
462 U_BOOT_CMD(
463 bootm, CFG_MAXARGS, 1, do_bootm,
464 "bootm - boot application image from memory\n",
465 "[addr [arg ...]]\n - boot application image stored in memory\n"
466 "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
467 "\t'arg' can be the address of an initrd image\n"
468 );
469
470 #ifdef CONFIG_SILENT_CONSOLE
471 static void
472 fixup_silent_linux ()
473 {
474 char buf[256], *start, *end;
475 char *cmdline = getenv ("bootargs");
476
477 /* Only fix cmdline when requested */
478 if (!(gd->flags & GD_FLG_SILENT))
479 return;
480
481 debug ("before silent fix-up: %s\n", cmdline);
482 if (cmdline) {
483 if ((start = strstr (cmdline, "console=")) != NULL) {
484 end = strchr (start, ' ');
485 strncpy (buf, cmdline, (start - cmdline + 8));
486 if (end)
487 strcpy (buf + (start - cmdline + 8), end);
488 else
489 buf[start - cmdline + 8] = '\0';
490 } else {
491 strcpy (buf, cmdline);
492 strcat (buf, " console=");
493 }
494 } else {
495 strcpy (buf, "console=");
496 }
497
498 setenv ("bootargs", buf);
499 debug ("after silent fix-up: %s\n", buf);
500 }
501 #endif /* CONFIG_SILENT_CONSOLE */
502
503 #ifdef CONFIG_OF_FLAT_TREE
504 extern const unsigned char oftree_dtb[];
505 extern const unsigned int oftree_dtb_len;
506 #endif
507
508 #ifdef CONFIG_PPC
509 static void
510 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
511 int argc, char *argv[],
512 ulong addr,
513 ulong *len_ptr,
514 int verify)
515 {
516 ulong sp;
517 ulong len, checksum;
518 ulong initrd_start, initrd_end;
519 ulong cmd_start, cmd_end;
520 ulong initrd_high;
521 ulong data;
522 int initrd_copy_to_ram = 1;
523 char *cmdline;
524 char *s;
525 bd_t *kbd;
526 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
527 image_header_t *hdr = &header;
528 #ifdef CONFIG_OF_FLAT_TREE
529 char *of_flat_tree;
530 #endif
531
532 if ((s = getenv ("initrd_high")) != NULL) {
533 /* a value of "no" or a similar string will act like 0,
534 * turning the "load high" feature off. This is intentional.
535 */
536 initrd_high = simple_strtoul(s, NULL, 16);
537 if (initrd_high == ~0)
538 initrd_copy_to_ram = 0;
539 } else { /* not set, no restrictions to load high */
540 initrd_high = ~0;
541 }
542
543 #ifdef CONFIG_LOGBUFFER
544 kbd=gd->bd;
545 /* Prevent initrd from overwriting logbuffer */
546 if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
547 initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
548 debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
549 #endif
550
551 /*
552 * Booting a (Linux) kernel image
553 *
554 * Allocate space for command line and board info - the
555 * address should be as high as possible within the reach of
556 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
557 * memory, which means far enough below the current stack
558 * pointer.
559 */
560
561 asm( "mr %0,1": "=r"(sp) : );
562
563 debug ("## Current stack ends at 0x%08lX ", sp);
564
565 sp -= 2048; /* just to be sure */
566 if (sp > CFG_BOOTMAPSZ)
567 sp = CFG_BOOTMAPSZ;
568 sp &= ~0xF;
569
570 debug ("=> set upper limit to 0x%08lX\n", sp);
571
572 cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
573 kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
574
575 if ((s = getenv("bootargs")) == NULL)
576 s = "";
577
578 strcpy (cmdline, s);
579
580 cmd_start = (ulong)&cmdline[0];
581 cmd_end = cmd_start + strlen(cmdline);
582
583 *kbd = *(gd->bd);
584
585 #ifdef DEBUG
586 printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
587
588 do_bdinfo (NULL, 0, 0, NULL);
589 #endif
590
591 if ((s = getenv ("clocks_in_mhz")) != NULL) {
592 /* convert all clock information to MHz */
593 kbd->bi_intfreq /= 1000000L;
594 kbd->bi_busfreq /= 1000000L;
595 #if defined(CONFIG_MPC8220)
596 kbd->bi_inpfreq /= 1000000L;
597 kbd->bi_pcifreq /= 1000000L;
598 kbd->bi_pevfreq /= 1000000L;
599 kbd->bi_flbfreq /= 1000000L;
600 kbd->bi_vcofreq /= 1000000L;
601 #endif
602 #if defined(CONFIG_CPM2)
603 kbd->bi_cpmfreq /= 1000000L;
604 kbd->bi_brgfreq /= 1000000L;
605 kbd->bi_sccfreq /= 1000000L;
606 kbd->bi_vco /= 1000000L;
607 #endif
608 #if defined(CONFIG_MPC5xxx)
609 kbd->bi_ipbfreq /= 1000000L;
610 kbd->bi_pcifreq /= 1000000L;
611 #endif /* CONFIG_MPC5xxx */
612 }
613
614 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
615
616 /*
617 * Check if there is an initrd image
618 */
619 if (argc >= 3) {
620 SHOW_BOOT_PROGRESS (9);
621
622 addr = simple_strtoul(argv[2], NULL, 16);
623
624 printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
625
626 /* Copy header so we can blank CRC field for re-calculation */
627 memmove (&header, (char *)addr, sizeof(image_header_t));
628
629 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
630 puts ("Bad Magic Number\n");
631 SHOW_BOOT_PROGRESS (-10);
632 do_reset (cmdtp, flag, argc, argv);
633 }
634
635 data = (ulong)&header;
636 len = sizeof(image_header_t);
637
638 checksum = ntohl(hdr->ih_hcrc);
639 hdr->ih_hcrc = 0;
640
641 if (crc32 (0, (uchar *)data, len) != checksum) {
642 puts ("Bad Header Checksum\n");
643 SHOW_BOOT_PROGRESS (-11);
644 do_reset (cmdtp, flag, argc, argv);
645 }
646
647 SHOW_BOOT_PROGRESS (10);
648
649 print_image_hdr (hdr);
650
651 data = addr + sizeof(image_header_t);
652 len = ntohl(hdr->ih_size);
653
654 if (verify) {
655 ulong csum = 0;
656 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
657 ulong cdata = data, edata = cdata + len;
658 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
659
660 puts (" Verifying Checksum ... ");
661
662 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
663
664 while (cdata < edata) {
665 ulong chunk = edata - cdata;
666
667 if (chunk > CHUNKSZ)
668 chunk = CHUNKSZ;
669 csum = crc32 (csum, (uchar *)cdata, chunk);
670 cdata += chunk;
671
672 WATCHDOG_RESET();
673 }
674 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
675 csum = crc32 (0, (uchar *)data, len);
676 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
677
678 if (csum != ntohl(hdr->ih_dcrc)) {
679 puts ("Bad Data CRC\n");
680 SHOW_BOOT_PROGRESS (-12);
681 do_reset (cmdtp, flag, argc, argv);
682 }
683 puts ("OK\n");
684 }
685
686 SHOW_BOOT_PROGRESS (11);
687
688 if ((hdr->ih_os != IH_OS_LINUX) ||
689 (hdr->ih_arch != IH_CPU_PPC) ||
690 (hdr->ih_type != IH_TYPE_RAMDISK) ) {
691 puts ("No Linux PPC Ramdisk Image\n");
692 SHOW_BOOT_PROGRESS (-13);
693 do_reset (cmdtp, flag, argc, argv);
694 }
695
696 /*
697 * Now check if we have a multifile image
698 */
699 } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
700 u_long tail = ntohl(len_ptr[0]) % 4;
701 int i;
702
703 SHOW_BOOT_PROGRESS (13);
704
705 /* skip kernel length and terminator */
706 data = (ulong)(&len_ptr[2]);
707 /* skip any additional image length fields */
708 for (i=1; len_ptr[i]; ++i)
709 data += 4;
710 /* add kernel length, and align */
711 data += ntohl(len_ptr[0]);
712 if (tail) {
713 data += 4 - tail;
714 }
715
716 len = ntohl(len_ptr[1]);
717
718 } else {
719 /*
720 * no initrd image
721 */
722 SHOW_BOOT_PROGRESS (14);
723
724 len = data = 0;
725 }
726
727 if (!data) {
728 debug ("No initrd\n");
729 }
730
731 if (data) {
732 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
733 initrd_start = data;
734 initrd_end = initrd_start + len;
735 } else {
736 initrd_start = (ulong)kbd - len;
737 initrd_start &= ~(4096 - 1); /* align on page */
738
739 if (initrd_high) {
740 ulong nsp;
741
742 /*
743 * the inital ramdisk does not need to be within
744 * CFG_BOOTMAPSZ as it is not accessed until after
745 * the mm system is initialised.
746 *
747 * do the stack bottom calculation again and see if
748 * the initrd will fit just below the monitor stack
749 * bottom without overwriting the area allocated
750 * above for command line args and board info.
751 */
752 asm( "mr %0,1": "=r"(nsp) : );
753 nsp -= 2048; /* just to be sure */
754 nsp &= ~0xF;
755 if (nsp > initrd_high) /* limit as specified */
756 nsp = initrd_high;
757 nsp -= len;
758 nsp &= ~(4096 - 1); /* align on page */
759 if (nsp >= sp)
760 initrd_start = nsp;
761 }
762
763 SHOW_BOOT_PROGRESS (12);
764
765 debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
766 data, data + len - 1, len, len);
767
768 initrd_end = initrd_start + len;
769 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
770 initrd_start, initrd_end);
771 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
772 {
773 size_t l = len;
774 void *to = (void *)initrd_start;
775 void *from = (void *)data;
776
777 while (l > 0) {
778 size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
779 WATCHDOG_RESET();
780 memmove (to, from, tail);
781 to += tail;
782 from += tail;
783 l -= tail;
784 }
785 }
786 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
787 memmove ((void *)initrd_start, (void *)data, len);
788 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
789 puts ("OK\n");
790 }
791 } else {
792 initrd_start = 0;
793 initrd_end = 0;
794 }
795
796 #ifdef CONFIG_OF_FLAT_TREE
797 if (initrd_start == 0)
798 of_flat_tree = (char *)(((ulong)kbd - OF_FLAT_TREE_MAX_SIZE -
799 sizeof(bd_t)) & ~0xF);
800 else
801 of_flat_tree = (char *)((initrd_start - OF_FLAT_TREE_MAX_SIZE -
802 sizeof(bd_t)) & ~0xF);
803 #endif
804
805 debug ("## Transferring control to Linux (at address %08lx) ...\n",
806 (ulong)kernel);
807
808 SHOW_BOOT_PROGRESS (15);
809
810 #ifndef CONFIG_OF_FLAT_TREE
811
812 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
813 unlock_ram_in_cache();
814 #endif
815
816 /*
817 * Linux Kernel Parameters:
818 * r3: ptr to board info data
819 * r4: initrd_start or 0 if no initrd
820 * r5: initrd_end - unused if r4 is 0
821 * r6: Start of command line string
822 * r7: End of command line string
823 */
824 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
825
826 #else
827 ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd, initrd_start, initrd_end);
828 /* ft_dump_blob(of_flat_tree); */
829
830 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
831 unlock_ram_in_cache();
832 #endif
833 /*
834 * Linux Kernel Parameters:
835 * r3: ptr to OF flat tree, followed by the board info data
836 * r4: physical pointer to the kernel itself
837 * r5: NULL
838 * r6: NULL
839 * r7: NULL
840 */
841 if (getenv("disable_of") != NULL)
842 (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end,
843 cmd_start, cmd_end);
844 else
845 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
846
847 #endif
848 }
849 #endif /* CONFIG_PPC */
850
851 static void
852 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
853 int argc, char *argv[],
854 ulong addr,
855 ulong *len_ptr,
856 int verify)
857 {
858 image_header_t *hdr = &header;
859
860 void (*loader)(bd_t *, image_header_t *, char *, char *);
861 image_header_t *img_addr;
862 char *consdev;
863 char *cmdline;
864
865
866 /*
867 * Booting a (NetBSD) kernel image
868 *
869 * This process is pretty similar to a standalone application:
870 * The (first part of an multi-) image must be a stage-2 loader,
871 * which in turn is responsible for loading & invoking the actual
872 * kernel. The only differences are the parameters being passed:
873 * besides the board info strucure, the loader expects a command
874 * line, the name of the console device, and (optionally) the
875 * address of the original image header.
876 */
877
878 img_addr = 0;
879 if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
880 img_addr = (image_header_t *) addr;
881
882
883 consdev = "";
884 #if defined (CONFIG_8xx_CONS_SMC1)
885 consdev = "smc1";
886 #elif defined (CONFIG_8xx_CONS_SMC2)
887 consdev = "smc2";
888 #elif defined (CONFIG_8xx_CONS_SCC2)
889 consdev = "scc2";
890 #elif defined (CONFIG_8xx_CONS_SCC3)
891 consdev = "scc3";
892 #endif
893
894 if (argc > 2) {
895 ulong len;
896 int i;
897
898 for (i=2, len=0 ; i<argc ; i+=1)
899 len += strlen (argv[i]) + 1;
900 cmdline = malloc (len);
901
902 for (i=2, len=0 ; i<argc ; i+=1) {
903 if (i > 2)
904 cmdline[len++] = ' ';
905 strcpy (&cmdline[len], argv[i]);
906 len += strlen (argv[i]);
907 }
908 } else if ((cmdline = getenv("bootargs")) == NULL) {
909 cmdline = "";
910 }
911
912 loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
913
914 printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
915 (ulong)loader);
916
917 SHOW_BOOT_PROGRESS (15);
918
919 /*
920 * NetBSD Stage-2 Loader Parameters:
921 * r3: ptr to board info data
922 * r4: image address
923 * r5: console device
924 * r6: boot args string
925 */
926 (*loader) (gd->bd, img_addr, consdev, cmdline);
927 }
928
929 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
930
931 /* Function that returns a character from the environment */
932 extern uchar (*env_get_char)(int);
933
934 static void
935 do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
936 int argc, char *argv[],
937 ulong addr,
938 ulong *len_ptr,
939 int verify)
940 {
941 ulong top;
942 char *s, *cmdline;
943 char **fwenv, **ss;
944 int i, j, nxt, len, envno, envsz;
945 bd_t *kbd;
946 void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
947 image_header_t *hdr = &header;
948
949 /*
950 * Booting an ARTOS kernel image + application
951 */
952
953 /* this used to be the top of memory, but was wrong... */
954 #ifdef CONFIG_PPC
955 /* get stack pointer */
956 asm volatile ("mr %0,1" : "=r"(top) );
957 #endif
958 debug ("## Current stack ends at 0x%08lX ", top);
959
960 top -= 2048; /* just to be sure */
961 if (top > CFG_BOOTMAPSZ)
962 top = CFG_BOOTMAPSZ;
963 top &= ~0xF;
964
965 debug ("=> set upper limit to 0x%08lX\n", top);
966
967 /* first check the artos specific boot args, then the linux args*/
968 if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
969 s = "";
970
971 /* get length of cmdline, and place it */
972 len = strlen(s);
973 top = (top - (len + 1)) & ~0xF;
974 cmdline = (char *)top;
975 debug ("## cmdline at 0x%08lX ", top);
976 strcpy(cmdline, s);
977
978 /* copy bdinfo */
979 top = (top - sizeof(bd_t)) & ~0xF;
980 debug ("## bd at 0x%08lX ", top);
981 kbd = (bd_t *)top;
982 memcpy(kbd, gd->bd, sizeof(bd_t));
983
984 /* first find number of env entries, and their size */
985 envno = 0;
986 envsz = 0;
987 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
988 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
989 ;
990 envno++;
991 envsz += (nxt - i) + 1; /* plus trailing zero */
992 }
993 envno++; /* plus the terminating zero */
994 debug ("## %u envvars total size %u ", envno, envsz);
995
996 top = (top - sizeof(char **)*envno) & ~0xF;
997 fwenv = (char **)top;
998 debug ("## fwenv at 0x%08lX ", top);
999
1000 top = (top - envsz) & ~0xF;
1001 s = (char *)top;
1002 ss = fwenv;
1003
1004 /* now copy them */
1005 for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
1006 for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
1007 ;
1008 *ss++ = s;
1009 for (j = i; j < nxt; ++j)
1010 *s++ = env_get_char(j);
1011 *s++ = '\0';
1012 }
1013 *ss++ = NULL; /* terminate */
1014
1015 entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
1016 (*entry)(kbd, cmdline, fwenv, top);
1017 }
1018 #endif
1019
1020
1021 #if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
1022 int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1023 {
1024 int rcode = 0;
1025 #ifndef CFG_HUSH_PARSER
1026 if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
1027 #else
1028 if (parse_string_outer(getenv("bootcmd"),
1029 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
1030 #endif
1031 return rcode;
1032 }
1033
1034 U_BOOT_CMD(
1035 boot, 1, 1, do_bootd,
1036 "boot - boot default, i.e., run 'bootcmd'\n",
1037 NULL
1038 );
1039
1040 /* keep old command name "bootd" for backward compatibility */
1041 U_BOOT_CMD(
1042 bootd, 1, 1, do_bootd,
1043 "bootd - boot default, i.e., run 'bootcmd'\n",
1044 NULL
1045 );
1046
1047 #endif
1048
1049 #if (CONFIG_COMMANDS & CFG_CMD_IMI)
1050 int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1051 {
1052 int arg;
1053 ulong addr;
1054 int rcode=0;
1055
1056 if (argc < 2) {
1057 return image_info (load_addr);
1058 }
1059
1060 for (arg=1; arg <argc; ++arg) {
1061 addr = simple_strtoul(argv[arg], NULL, 16);
1062 if (image_info (addr) != 0) rcode = 1;
1063 }
1064 return rcode;
1065 }
1066
1067 static int image_info (ulong addr)
1068 {
1069 ulong data, len, checksum;
1070 image_header_t *hdr = &header;
1071
1072 printf ("\n## Checking Image at %08lx ...\n", addr);
1073
1074 /* Copy header so we can blank CRC field for re-calculation */
1075 memmove (&header, (char *)addr, sizeof(image_header_t));
1076
1077 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
1078 puts (" Bad Magic Number\n");
1079 return 1;
1080 }
1081
1082 data = (ulong)&header;
1083 len = sizeof(image_header_t);
1084
1085 checksum = ntohl(hdr->ih_hcrc);
1086 hdr->ih_hcrc = 0;
1087
1088 if (crc32 (0, (uchar *)data, len) != checksum) {
1089 puts (" Bad Header Checksum\n");
1090 return 1;
1091 }
1092
1093 /* for multi-file images we need the data part, too */
1094 print_image_hdr ((image_header_t *)addr);
1095
1096 data = addr + sizeof(image_header_t);
1097 len = ntohl(hdr->ih_size);
1098
1099 puts (" Verifying Checksum ... ");
1100 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1101 puts (" Bad Data CRC\n");
1102 return 1;
1103 }
1104 puts ("OK\n");
1105 return 0;
1106 }
1107
1108 U_BOOT_CMD(
1109 iminfo, CFG_MAXARGS, 1, do_iminfo,
1110 "iminfo - print header information for application image\n",
1111 "addr [addr ...]\n"
1112 " - print header information for application image starting at\n"
1113 " address 'addr' in memory; this includes verification of the\n"
1114 " image contents (magic number, header and payload checksums)\n"
1115 );
1116
1117 #endif /* CFG_CMD_IMI */
1118
1119 #if (CONFIG_COMMANDS & CFG_CMD_IMLS)
1120 /*-----------------------------------------------------------------------
1121 * List all images found in flash.
1122 */
1123 int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1124 {
1125 flash_info_t *info;
1126 int i, j;
1127 image_header_t *hdr;
1128 ulong data, len, checksum;
1129
1130 for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
1131 if (info->flash_id == FLASH_UNKNOWN)
1132 goto next_bank;
1133 for (j=0; j<info->sector_count; ++j) {
1134
1135 if (!(hdr=(image_header_t *)info->start[j]) ||
1136 (ntohl(hdr->ih_magic) != IH_MAGIC))
1137 goto next_sector;
1138
1139 /* Copy header so we can blank CRC field for re-calculation */
1140 memmove (&header, (char *)hdr, sizeof(image_header_t));
1141
1142 checksum = ntohl(header.ih_hcrc);
1143 header.ih_hcrc = 0;
1144
1145 if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
1146 != checksum)
1147 goto next_sector;
1148
1149 printf ("Image at %08lX:\n", (ulong)hdr);
1150 print_image_hdr( hdr );
1151
1152 data = (ulong)hdr + sizeof(image_header_t);
1153 len = ntohl(hdr->ih_size);
1154
1155 puts (" Verifying Checksum ... ");
1156 if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
1157 puts (" Bad Data CRC\n");
1158 }
1159 puts ("OK\n");
1160 next_sector: ;
1161 }
1162 next_bank: ;
1163 }
1164
1165 return (0);
1166 }
1167
1168 U_BOOT_CMD(
1169 imls, 1, 1, do_imls,
1170 "imls - list all images found in flash\n",
1171 "\n"
1172 " - Prints information about all images found at sector\n"
1173 " boundaries in flash.\n"
1174 );
1175 #endif /* CFG_CMD_IMLS */
1176
1177 void
1178 print_image_hdr (image_header_t *hdr)
1179 {
1180 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1181 time_t timestamp = (time_t)ntohl(hdr->ih_time);
1182 struct rtc_time tm;
1183 #endif
1184
1185 printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
1186 #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
1187 to_tm (timestamp, &tm);
1188 printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
1189 tm.tm_year, tm.tm_mon, tm.tm_mday,
1190 tm.tm_hour, tm.tm_min, tm.tm_sec);
1191 #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
1192 puts (" Image Type: "); print_type(hdr);
1193 printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
1194 print_size (ntohl(hdr->ih_size), "\n");
1195 printf (" Load Address: %08x\n"
1196 " Entry Point: %08x\n",
1197 ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
1198
1199 if (hdr->ih_type == IH_TYPE_MULTI) {
1200 int i;
1201 ulong len;
1202 ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
1203
1204 puts (" Contents:\n");
1205 for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
1206 printf (" Image %d: %8ld Bytes = ", i, len);
1207 print_size (len, "\n");
1208 }
1209 }
1210 }
1211
1212
1213 static void
1214 print_type (image_header_t *hdr)
1215 {
1216 char *os, *arch, *type, *comp;
1217
1218 switch (hdr->ih_os) {
1219 case IH_OS_INVALID: os = "Invalid OS"; break;
1220 case IH_OS_NETBSD: os = "NetBSD"; break;
1221 case IH_OS_LINUX: os = "Linux"; break;
1222 case IH_OS_VXWORKS: os = "VxWorks"; break;
1223 case IH_OS_QNX: os = "QNX"; break;
1224 case IH_OS_U_BOOT: os = "U-Boot"; break;
1225 case IH_OS_RTEMS: os = "RTEMS"; break;
1226 #ifdef CONFIG_ARTOS
1227 case IH_OS_ARTOS: os = "ARTOS"; break;
1228 #endif
1229 #ifdef CONFIG_LYNXKDI
1230 case IH_OS_LYNXOS: os = "LynxOS"; break;
1231 #endif
1232 default: os = "Unknown OS"; break;
1233 }
1234
1235 switch (hdr->ih_arch) {
1236 case IH_CPU_INVALID: arch = "Invalid CPU"; break;
1237 case IH_CPU_ALPHA: arch = "Alpha"; break;
1238 case IH_CPU_ARM: arch = "ARM"; break;
1239 case IH_CPU_I386: arch = "Intel x86"; break;
1240 case IH_CPU_IA64: arch = "IA64"; break;
1241 case IH_CPU_MIPS: arch = "MIPS"; break;
1242 case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
1243 case IH_CPU_PPC: arch = "PowerPC"; break;
1244 case IH_CPU_S390: arch = "IBM S390"; break;
1245 case IH_CPU_SH: arch = "SuperH"; break;
1246 case IH_CPU_SPARC: arch = "SPARC"; break;
1247 case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
1248 case IH_CPU_M68K: arch = "M68K"; break;
1249 case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
1250 case IH_CPU_NIOS: arch = "Nios"; break;
1251 case IH_CPU_NIOS2: arch = "Nios-II"; break;
1252 default: arch = "Unknown Architecture"; break;
1253 }
1254
1255 switch (hdr->ih_type) {
1256 case IH_TYPE_INVALID: type = "Invalid Image"; break;
1257 case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
1258 case IH_TYPE_KERNEL: type = "Kernel Image"; break;
1259 case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
1260 case IH_TYPE_MULTI: type = "Multi-File Image"; break;
1261 case IH_TYPE_FIRMWARE: type = "Firmware"; break;
1262 case IH_TYPE_SCRIPT: type = "Script"; break;
1263 default: type = "Unknown Image"; break;
1264 }
1265
1266 switch (hdr->ih_comp) {
1267 case IH_COMP_NONE: comp = "uncompressed"; break;
1268 case IH_COMP_GZIP: comp = "gzip compressed"; break;
1269 case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
1270 default: comp = "unknown compression"; break;
1271 }
1272
1273 printf ("%s %s %s (%s)", arch, os, type, comp);
1274 }
1275
1276 #define ZALLOC_ALIGNMENT 16
1277
1278 static void *zalloc(void *x, unsigned items, unsigned size)
1279 {
1280 void *p;
1281
1282 size *= items;
1283 size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
1284
1285 p = malloc (size);
1286
1287 return (p);
1288 }
1289
1290 static void zfree(void *x, void *addr, unsigned nb)
1291 {
1292 free (addr);
1293 }
1294
1295 #define HEAD_CRC 2
1296 #define EXTRA_FIELD 4
1297 #define ORIG_NAME 8
1298 #define COMMENT 0x10
1299 #define RESERVED 0xe0
1300
1301 #define DEFLATED 8
1302
1303 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
1304 {
1305 z_stream s;
1306 int r, i, flags;
1307
1308 /* skip header */
1309 i = 10;
1310 flags = src[3];
1311 if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
1312 puts ("Error: Bad gzipped data\n");
1313 return (-1);
1314 }
1315 if ((flags & EXTRA_FIELD) != 0)
1316 i = 12 + src[10] + (src[11] << 8);
1317 if ((flags & ORIG_NAME) != 0)
1318 while (src[i++] != 0)
1319 ;
1320 if ((flags & COMMENT) != 0)
1321 while (src[i++] != 0)
1322 ;
1323 if ((flags & HEAD_CRC) != 0)
1324 i += 2;
1325 if (i >= *lenp) {
1326 puts ("Error: gunzip out of data in header\n");
1327 return (-1);
1328 }
1329
1330 s.zalloc = zalloc;
1331 s.zfree = zfree;
1332 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
1333 s.outcb = (cb_func)WATCHDOG_RESET;
1334 #else
1335 s.outcb = Z_NULL;
1336 #endif /* CONFIG_HW_WATCHDOG */
1337
1338 r = inflateInit2(&s, -MAX_WBITS);
1339 if (r != Z_OK) {
1340 printf ("Error: inflateInit2() returned %d\n", r);
1341 return (-1);
1342 }
1343 s.next_in = src + i;
1344 s.avail_in = *lenp - i;
1345 s.next_out = dst;
1346 s.avail_out = dstlen;
1347 r = inflate(&s, Z_FINISH);
1348 if (r != Z_OK && r != Z_STREAM_END) {
1349 printf ("Error: inflate() returned %d\n", r);
1350 return (-1);
1351 }
1352 *lenp = s.next_out - (unsigned char *) dst;
1353 inflateEnd(&s);
1354
1355 return (0);
1356 }
1357
1358 #ifdef CONFIG_BZIP2
1359 void bz_internal_error(int errcode)
1360 {
1361 printf ("BZIP2 internal error %d\n", errcode);
1362 }
1363 #endif /* CONFIG_BZIP2 */
1364
1365 static void
1366 do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1367 ulong addr, ulong *len_ptr, int verify)
1368 {
1369 image_header_t *hdr = &header;
1370 void (*entry_point)(bd_t *);
1371
1372 entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
1373
1374 printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
1375 (ulong)entry_point);
1376
1377 SHOW_BOOT_PROGRESS (15);
1378
1379 /*
1380 * RTEMS Parameters:
1381 * r3: ptr to board info data
1382 */
1383
1384 (*entry_point ) ( gd->bd );
1385 }
1386
1387 #if (CONFIG_COMMANDS & CFG_CMD_ELF)
1388 static void
1389 do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1390 ulong addr, ulong *len_ptr, int verify)
1391 {
1392 image_header_t *hdr = &header;
1393 char str[80];
1394
1395 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1396 setenv("loadaddr", str);
1397 do_bootvx(cmdtp, 0, 0, NULL);
1398 }
1399
1400 static void
1401 do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
1402 ulong addr, ulong *len_ptr, int verify)
1403 {
1404 image_header_t *hdr = &header;
1405 char *local_args[2];
1406 char str[16];
1407
1408 sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
1409 local_args[0] = argv[0];
1410 local_args[1] = str; /* and provide it via the arguments */
1411 do_bootelf(cmdtp, 0, 2, local_args);
1412 }
1413 #endif /* CFG_CMD_ELF */
1414
1415 #ifdef CONFIG_LYNXKDI
1416 static void
1417 do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
1418 int argc, char *argv[],
1419 ulong addr,
1420 ulong *len_ptr,
1421 int verify)
1422 {
1423 lynxkdi_boot( &header );
1424 }
1425
1426 #endif /* CONFIG_LYNXKDI */
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