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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 <cmd_boot.h> | |
31 | #include <image.h> | |
32 | #include <malloc.h> | |
33 | #include <zlib.h> | |
34 | #include <environment.h> | |
35 | #include <asm/byteorder.h> | |
36 | #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) | |
37 | #include <rtc.h> | |
38 | #endif | |
39 | ||
40 | #ifdef CFG_HUSH_PARSER | |
41 | #include <hush.h> | |
42 | #endif | |
43 | ||
44 | #ifdef CONFIG_SHOW_BOOT_PROGRESS | |
45 | # include <status_led.h> | |
46 | # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) | |
47 | #else | |
48 | # define SHOW_BOOT_PROGRESS(arg) | |
49 | #endif | |
50 | ||
51 | #ifdef CFG_INIT_RAM_LOCK | |
52 | #include <asm/cache.h> | |
53 | #endif | |
54 | ||
55 | #ifdef CONFIG_LOGBUFFER | |
56 | #include <logbuff.h> | |
57 | #endif | |
58 | ||
59 | /* | |
60 | * Some systems (for example LWMON) have very short watchdog periods; | |
61 | * we must make sure to split long operations like memmove() or | |
62 | * crc32() into reasonable chunks. | |
63 | */ | |
64 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
65 | # define CHUNKSZ (64 * 1024) | |
66 | #endif | |
67 | ||
68 | int gunzip (void *, int, unsigned char *, int *); | |
69 | ||
70 | static void *zalloc(void *, unsigned, unsigned); | |
71 | static void zfree(void *, void *, unsigned); | |
72 | ||
73 | #if (CONFIG_COMMANDS & CFG_CMD_IMI) | |
74 | static int image_info (unsigned long addr); | |
75 | #endif | |
76 | static void print_type (image_header_t *hdr); | |
77 | ||
78 | #ifdef __I386__ | |
79 | image_header_t *fake_header(image_header_t *hdr, void *ptr, int size); | |
80 | #endif | |
81 | ||
82 | /* | |
83 | * Continue booting an OS image; caller already has: | |
84 | * - copied image header to global variable `header' | |
85 | * - checked header magic number, checksums (both header & image), | |
86 | * - verified image architecture (PPC) and type (KERNEL or MULTI), | |
87 | * - loaded (first part of) image to header load address, | |
88 | * - disabled interrupts. | |
89 | */ | |
90 | typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag, | |
91 | int argc, char *argv[], | |
92 | ulong addr, /* of image to boot */ | |
93 | ulong *len_ptr, /* multi-file image length table */ | |
94 | int verify); /* getenv("verify")[0] != 'n' */ | |
95 | ||
96 | #ifdef CONFIG_PPC | |
97 | static boot_os_Fcn do_bootm_linux; | |
98 | #else | |
99 | extern boot_os_Fcn do_bootm_linux; | |
100 | #endif | |
101 | static boot_os_Fcn do_bootm_netbsd; | |
102 | static boot_os_Fcn do_bootm_rtems; | |
103 | #if (CONFIG_COMMANDS & CFG_CMD_ELF) | |
104 | static boot_os_Fcn do_bootm_vxworks; | |
105 | static boot_os_Fcn do_bootm_qnxelf; | |
106 | int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ); | |
107 | int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ); | |
108 | #endif /* CFG_CMD_ELF */ | |
109 | #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) | |
110 | static boot_os_Fcn do_bootm_artos; | |
111 | #endif | |
112 | ||
113 | image_header_t header; | |
114 | ||
115 | ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */ | |
116 | ||
117 | int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
118 | { | |
119 | ulong iflag; | |
120 | ulong addr; | |
121 | ulong data, len, checksum; | |
122 | ulong *len_ptr; | |
123 | int i, verify; | |
124 | char *name, *s; | |
125 | int (*appl)(cmd_tbl_t *, int, int, char *[]); | |
126 | image_header_t *hdr = &header; | |
127 | ||
128 | s = getenv ("verify"); | |
129 | verify = (s && (*s == 'n')) ? 0 : 1; | |
130 | ||
131 | if (argc < 2) { | |
132 | addr = load_addr; | |
133 | } else { | |
134 | addr = simple_strtoul(argv[1], NULL, 16); | |
135 | } | |
136 | ||
137 | SHOW_BOOT_PROGRESS (1); | |
138 | printf ("## Booting image at %08lx ...\n", addr); | |
139 | ||
140 | /* Copy header so we can blank CRC field for re-calculation */ | |
141 | memmove (&header, (char *)addr, sizeof(image_header_t)); | |
142 | ||
143 | if (ntohl(hdr->ih_magic) != IH_MAGIC) { | |
144 | #ifdef __I386__ /* correct image format not implemented yet - fake it */ | |
145 | if (fake_header(hdr, (void*)addr, -1) != NULL) { | |
146 | /* to compensate for the addition below */ | |
147 | addr -= sizeof(image_header_t); | |
148 | /* turnof verify, | |
149 | * fake_header() does not fake the data crc | |
150 | */ | |
151 | verify = 0; | |
152 | } else | |
153 | #endif /* __I386__ */ | |
154 | { | |
155 | printf ("Bad Magic Number\n"); | |
156 | SHOW_BOOT_PROGRESS (-1); | |
157 | return 1; | |
158 | } | |
159 | } | |
160 | SHOW_BOOT_PROGRESS (2); | |
161 | ||
162 | data = (ulong)&header; | |
163 | len = sizeof(image_header_t); | |
164 | ||
165 | checksum = ntohl(hdr->ih_hcrc); | |
166 | hdr->ih_hcrc = 0; | |
167 | ||
168 | if (crc32 (0, (char *)data, len) != checksum) { | |
169 | printf ("Bad Header Checksum\n"); | |
170 | SHOW_BOOT_PROGRESS (-2); | |
171 | return 1; | |
172 | } | |
173 | SHOW_BOOT_PROGRESS (3); | |
174 | ||
175 | /* for multi-file images we need the data part, too */ | |
176 | print_image_hdr (hdr); | |
177 | ||
178 | data = addr + sizeof(image_header_t); | |
179 | len = ntohl(hdr->ih_size); | |
180 | ||
181 | if (verify) { | |
182 | printf (" Verifying Checksum ... "); | |
183 | if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { | |
184 | printf ("Bad Data CRC\n"); | |
185 | SHOW_BOOT_PROGRESS (-3); | |
186 | return 1; | |
187 | } | |
188 | printf ("OK\n"); | |
189 | } | |
190 | SHOW_BOOT_PROGRESS (4); | |
191 | ||
192 | len_ptr = (ulong *)data; | |
193 | ||
194 | #if defined(__PPC__) | |
195 | if (hdr->ih_arch != IH_CPU_PPC) | |
196 | #elif defined(__ARM__) | |
197 | if (hdr->ih_arch != IH_CPU_ARM) | |
198 | #elif defined(__I386__) | |
199 | if (hdr->ih_arch != IH_CPU_I386) | |
200 | #elif defined(__mips__) | |
201 | if (hdr->ih_arch != IH_CPU_MIPS) | |
202 | #else | |
203 | # error Unknown CPU type | |
204 | #endif | |
205 | { | |
206 | printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch); | |
207 | SHOW_BOOT_PROGRESS (-4); | |
208 | return 1; | |
209 | } | |
210 | SHOW_BOOT_PROGRESS (5); | |
211 | ||
212 | switch (hdr->ih_type) { | |
213 | case IH_TYPE_STANDALONE: name = "Standalone Application"; | |
214 | break; | |
215 | case IH_TYPE_KERNEL: name = "Kernel Image"; | |
216 | break; | |
217 | case IH_TYPE_MULTI: name = "Multi-File Image"; | |
218 | len = ntohl(len_ptr[0]); | |
219 | /* OS kernel is always the first image */ | |
220 | data += 8; /* kernel_len + terminator */ | |
221 | for (i=1; len_ptr[i]; ++i) | |
222 | data += 4; | |
223 | break; | |
224 | default: printf ("Wrong Image Type for %s command\n", cmdtp->name); | |
225 | SHOW_BOOT_PROGRESS (-5); | |
226 | return 1; | |
227 | } | |
228 | SHOW_BOOT_PROGRESS (6); | |
229 | ||
230 | /* | |
231 | * We have reached the point of no return: we are going to | |
232 | * overwrite all exception vector code, so we cannot easily | |
233 | * recover from any failures any more... | |
234 | */ | |
235 | ||
236 | iflag = disable_interrupts(); | |
237 | ||
238 | #ifdef CONFIG_AMIGAONEG3SE | |
239 | /* | |
240 | * We've possible left the caches enabled during | |
241 | * bios emulation, so turn them off again | |
242 | */ | |
243 | icache_disable(); | |
244 | invalidate_l1_instruction_cache(); | |
245 | flush_data_cache(); | |
246 | dcache_disable(); | |
247 | #endif | |
248 | ||
249 | switch (hdr->ih_comp) { | |
250 | case IH_COMP_NONE: | |
251 | if(ntohl(hdr->ih_load) == addr) { | |
252 | printf (" XIP %s ... ", name); | |
253 | } else { | |
254 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
255 | size_t l = len; | |
256 | void *to = (void *)ntohl(hdr->ih_load); | |
257 | void *from = (void *)data; | |
258 | ||
259 | printf (" Loading %s ... ", name); | |
260 | ||
261 | while (l > 0) { | |
262 | size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l; | |
263 | WATCHDOG_RESET(); | |
264 | memmove (to, from, tail); | |
265 | to += tail; | |
266 | from += tail; | |
267 | l -= tail; | |
268 | } | |
269 | #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ | |
270 | memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len); | |
271 | #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ | |
272 | } | |
273 | break; | |
274 | case IH_COMP_GZIP: | |
275 | printf (" Uncompressing %s ... ", name); | |
276 | if (gunzip ((void *)ntohl(hdr->ih_load), 0x400000, | |
277 | (uchar *)data, (int *)&len) != 0) { | |
278 | printf ("GUNZIP ERROR - must RESET board to recover\n"); | |
279 | SHOW_BOOT_PROGRESS (-6); | |
280 | do_reset (cmdtp, flag, argc, argv); | |
281 | } | |
282 | break; | |
283 | default: | |
284 | if (iflag) | |
285 | enable_interrupts(); | |
286 | printf ("Unimplemented compression type %d\n", hdr->ih_comp); | |
287 | SHOW_BOOT_PROGRESS (-7); | |
288 | return 1; | |
289 | } | |
290 | printf ("OK\n"); | |
291 | SHOW_BOOT_PROGRESS (7); | |
292 | ||
293 | switch (hdr->ih_type) { | |
294 | case IH_TYPE_STANDALONE: | |
295 | if (iflag) | |
296 | enable_interrupts(); | |
297 | ||
298 | /* load (and uncompress), but don't start if "autostart" | |
299 | * is set to "no" | |
300 | */ | |
301 | if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) | |
302 | return 0; | |
303 | appl = (int (*)(cmd_tbl_t *, int, int, char *[]))ntohl(hdr->ih_ep); | |
304 | (*appl)(cmdtp, flag, argc-1, &argv[1]); | |
305 | return 0; | |
306 | case IH_TYPE_KERNEL: | |
307 | case IH_TYPE_MULTI: | |
308 | /* handled below */ | |
309 | break; | |
310 | default: | |
311 | if (iflag) | |
312 | enable_interrupts(); | |
313 | printf ("Can't boot image type %d\n", hdr->ih_type); | |
314 | SHOW_BOOT_PROGRESS (-8); | |
315 | return 1; | |
316 | } | |
317 | SHOW_BOOT_PROGRESS (8); | |
318 | ||
319 | switch (hdr->ih_os) { | |
320 | default: /* handled by (original) Linux case */ | |
321 | case IH_OS_LINUX: | |
322 | do_bootm_linux (cmdtp, flag, argc, argv, | |
323 | addr, len_ptr, verify); | |
324 | break; | |
325 | case IH_OS_NETBSD: | |
326 | do_bootm_netbsd (cmdtp, flag, argc, argv, | |
327 | addr, len_ptr, verify); | |
328 | break; | |
329 | ||
330 | case IH_OS_RTEMS: | |
331 | do_bootm_rtems (cmdtp, flag, argc, argv, | |
332 | addr, len_ptr, verify); | |
333 | break; | |
334 | ||
335 | #if (CONFIG_COMMANDS & CFG_CMD_ELF) | |
336 | case IH_OS_VXWORKS: | |
337 | do_bootm_vxworks (cmdtp, flag, argc, argv, | |
338 | addr, len_ptr, verify); | |
339 | break; | |
340 | case IH_OS_QNX: | |
341 | do_bootm_qnxelf (cmdtp, flag, argc, argv, | |
342 | addr, len_ptr, verify); | |
343 | break; | |
344 | #endif /* CFG_CMD_ELF */ | |
345 | #ifdef CONFIG_ARTOS | |
346 | case IH_OS_ARTOS: | |
347 | do_bootm_artos (cmdtp, flag, argc, argv, | |
348 | addr, len_ptr, verify); | |
349 | break; | |
350 | #endif | |
351 | } | |
352 | ||
353 | SHOW_BOOT_PROGRESS (-9); | |
354 | #ifdef DEBUG | |
355 | printf ("\n## Control returned to monitor - resetting...\n"); | |
356 | do_reset (cmdtp, flag, argc, argv); | |
357 | #endif | |
358 | return 1; | |
359 | } | |
360 | ||
361 | #ifdef CONFIG_PPC | |
362 | static void | |
363 | do_bootm_linux (cmd_tbl_t *cmdtp, int flag, | |
364 | int argc, char *argv[], | |
365 | ulong addr, | |
366 | ulong *len_ptr, | |
367 | int verify) | |
368 | { | |
369 | DECLARE_GLOBAL_DATA_PTR; | |
370 | ||
371 | ulong sp; | |
372 | ulong len, checksum; | |
373 | ulong initrd_start, initrd_end; | |
374 | ulong cmd_start, cmd_end; | |
375 | ulong initrd_high; | |
376 | ulong data; | |
377 | int initrd_copy_to_ram = 1; | |
378 | char *cmdline; | |
379 | char *s; | |
380 | bd_t *kbd; | |
381 | void (*kernel)(bd_t *, ulong, ulong, ulong, ulong); | |
382 | image_header_t *hdr = &header; | |
383 | ||
384 | if ((s = getenv ("initrd_high")) != NULL) { | |
385 | /* a value of "no" or a similar string will act like 0, | |
386 | * turning the "load high" feature off. This is intentional. | |
387 | */ | |
388 | initrd_high = simple_strtoul(s, NULL, 16); | |
389 | if (initrd_high == ~0) | |
390 | initrd_copy_to_ram = 0; | |
391 | } else { /* not set, no restrictions to load high */ | |
392 | initrd_high = ~0; | |
393 | } | |
394 | ||
395 | #ifdef CONFIG_LOGBUFFER | |
396 | kbd=gd->bd; | |
397 | /* Prevent initrd from overwriting logbuffer */ | |
398 | if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD)) | |
399 | initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD; | |
400 | debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN); | |
401 | #endif | |
402 | ||
403 | /* | |
404 | * Booting a (Linux) kernel image | |
405 | * | |
406 | * Allocate space for command line and board info - the | |
407 | * address should be as high as possible within the reach of | |
408 | * the kernel (see CFG_BOOTMAPSZ settings), but in unused | |
409 | * memory, which means far enough below the current stack | |
410 | * pointer. | |
411 | */ | |
412 | ||
413 | asm( "mr %0,1": "=r"(sp) : ); | |
414 | ||
415 | debug ("## Current stack ends at 0x%08lX ", sp); | |
416 | ||
417 | sp -= 2048; /* just to be sure */ | |
418 | if (sp > CFG_BOOTMAPSZ) | |
419 | sp = CFG_BOOTMAPSZ; | |
420 | sp &= ~0xF; | |
421 | ||
422 | debug ("=> set upper limit to 0x%08lX\n", sp); | |
423 | ||
424 | cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF); | |
425 | kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF); | |
426 | ||
427 | if ((s = getenv("bootargs")) == NULL) | |
428 | s = ""; | |
429 | ||
430 | strcpy (cmdline, s); | |
431 | ||
432 | cmd_start = (ulong)&cmdline[0]; | |
433 | cmd_end = cmd_start + strlen(cmdline); | |
434 | ||
435 | *kbd = *(gd->bd); | |
436 | ||
437 | #ifdef DEBUG | |
438 | printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end); | |
439 | ||
440 | do_bdinfo (NULL, 0, 0, NULL); | |
441 | #endif | |
442 | ||
443 | if ((s = getenv ("clocks_in_mhz")) != NULL) { | |
444 | /* convert all clock information to MHz */ | |
445 | kbd->bi_intfreq /= 1000000L; | |
446 | kbd->bi_busfreq /= 1000000L; | |
447 | #if defined(CONFIG_8260) | |
448 | kbd->bi_cpmfreq /= 1000000L; | |
449 | kbd->bi_brgfreq /= 1000000L; | |
450 | kbd->bi_sccfreq /= 1000000L; | |
451 | kbd->bi_vco /= 1000000L; | |
452 | #endif /* CONFIG_8260 */ | |
453 | } | |
454 | ||
455 | kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep; | |
456 | ||
457 | /* | |
458 | * Check if there is an initrd image | |
459 | */ | |
460 | if (argc >= 3) { | |
461 | SHOW_BOOT_PROGRESS (9); | |
462 | ||
463 | addr = simple_strtoul(argv[2], NULL, 16); | |
464 | ||
465 | printf ("## Loading RAMDisk Image at %08lx ...\n", addr); | |
466 | ||
467 | /* Copy header so we can blank CRC field for re-calculation */ | |
468 | memmove (&header, (char *)addr, sizeof(image_header_t)); | |
469 | ||
470 | if (hdr->ih_magic != IH_MAGIC) { | |
471 | printf ("Bad Magic Number\n"); | |
472 | SHOW_BOOT_PROGRESS (-10); | |
473 | do_reset (cmdtp, flag, argc, argv); | |
474 | } | |
475 | ||
476 | data = (ulong)&header; | |
477 | len = sizeof(image_header_t); | |
478 | ||
479 | checksum = hdr->ih_hcrc; | |
480 | hdr->ih_hcrc = 0; | |
481 | ||
482 | if (crc32 (0, (char *)data, len) != checksum) { | |
483 | printf ("Bad Header Checksum\n"); | |
484 | SHOW_BOOT_PROGRESS (-11); | |
485 | do_reset (cmdtp, flag, argc, argv); | |
486 | } | |
487 | ||
488 | SHOW_BOOT_PROGRESS (10); | |
489 | ||
490 | print_image_hdr (hdr); | |
491 | ||
492 | data = addr + sizeof(image_header_t); | |
493 | len = hdr->ih_size; | |
494 | ||
495 | if (verify) { | |
496 | ulong csum = 0; | |
497 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
498 | ulong cdata = data, edata = cdata + len; | |
499 | #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ | |
500 | ||
501 | printf (" Verifying Checksum ... "); | |
502 | ||
503 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
504 | ||
505 | while (cdata < edata) { | |
506 | ulong chunk = edata - cdata; | |
507 | ||
508 | if (chunk > CHUNKSZ) | |
509 | chunk = CHUNKSZ; | |
510 | csum = crc32 (csum, (char *)cdata, chunk); | |
511 | cdata += chunk; | |
512 | ||
513 | WATCHDOG_RESET(); | |
514 | } | |
515 | #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ | |
516 | csum = crc32 (0, (char *)data, len); | |
517 | #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ | |
518 | ||
519 | if (csum != hdr->ih_dcrc) { | |
520 | printf ("Bad Data CRC\n"); | |
521 | SHOW_BOOT_PROGRESS (-12); | |
522 | do_reset (cmdtp, flag, argc, argv); | |
523 | } | |
524 | printf ("OK\n"); | |
525 | } | |
526 | ||
527 | SHOW_BOOT_PROGRESS (11); | |
528 | ||
529 | if ((hdr->ih_os != IH_OS_LINUX) || | |
530 | (hdr->ih_arch != IH_CPU_PPC) || | |
531 | (hdr->ih_type != IH_TYPE_RAMDISK) ) { | |
532 | printf ("No Linux PPC Ramdisk Image\n"); | |
533 | SHOW_BOOT_PROGRESS (-13); | |
534 | do_reset (cmdtp, flag, argc, argv); | |
535 | } | |
536 | ||
537 | /* | |
538 | * Now check if we have a multifile image | |
539 | */ | |
540 | } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) { | |
541 | u_long tail = ntohl(len_ptr[0]) % 4; | |
542 | int i; | |
543 | ||
544 | SHOW_BOOT_PROGRESS (13); | |
545 | ||
546 | /* skip kernel length and terminator */ | |
547 | data = (ulong)(&len_ptr[2]); | |
548 | /* skip any additional image length fields */ | |
549 | for (i=1; len_ptr[i]; ++i) | |
550 | data += 4; | |
551 | /* add kernel length, and align */ | |
552 | data += ntohl(len_ptr[0]); | |
553 | if (tail) { | |
554 | data += 4 - tail; | |
555 | } | |
556 | ||
557 | len = ntohl(len_ptr[1]); | |
558 | ||
559 | } else { | |
560 | /* | |
561 | * no initrd image | |
562 | */ | |
563 | SHOW_BOOT_PROGRESS (14); | |
564 | ||
565 | len = data = 0; | |
566 | } | |
567 | ||
568 | if (!data) { | |
569 | debug ("No initrd\n"); | |
570 | } | |
571 | ||
572 | if (data) { | |
573 | if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ | |
574 | initrd_start = data; | |
575 | initrd_end = initrd_start + len; | |
576 | } else { | |
577 | initrd_start = (ulong)kbd - len; | |
578 | initrd_start &= ~(4096 - 1); /* align on page */ | |
579 | ||
580 | if (initrd_high) { | |
581 | ulong nsp; | |
582 | ||
583 | /* | |
584 | * the inital ramdisk does not need to be within | |
585 | * CFG_BOOTMAPSZ as it is not accessed until after | |
586 | * the mm system is initialised. | |
587 | * | |
588 | * do the stack bottom calculation again and see if | |
589 | * the initrd will fit just below the monitor stack | |
590 | * bottom without overwriting the area allocated | |
591 | * above for command line args and board info. | |
592 | */ | |
593 | asm( "mr %0,1": "=r"(nsp) : ); | |
594 | nsp -= 2048; /* just to be sure */ | |
595 | nsp &= ~0xF; | |
596 | if (nsp > initrd_high) /* limit as specified */ | |
597 | nsp = initrd_high; | |
598 | nsp -= len; | |
599 | nsp &= ~(4096 - 1); /* align on page */ | |
600 | if (nsp >= sp) | |
601 | initrd_start = nsp; | |
602 | } | |
603 | ||
604 | SHOW_BOOT_PROGRESS (12); | |
605 | ||
606 | debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", | |
607 | data, data + len - 1, len, len); | |
608 | ||
609 | initrd_end = initrd_start + len; | |
610 | printf (" Loading Ramdisk to %08lx, end %08lx ... ", | |
611 | initrd_start, initrd_end); | |
612 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
613 | { | |
614 | size_t l = len; | |
615 | void *to = (void *)initrd_start; | |
616 | void *from = (void *)data; | |
617 | ||
618 | while (l > 0) { | |
619 | size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l; | |
620 | WATCHDOG_RESET(); | |
621 | memmove (to, from, tail); | |
622 | to += tail; | |
623 | from += tail; | |
624 | l -= tail; | |
625 | } | |
626 | } | |
627 | #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ | |
628 | memmove ((void *)initrd_start, (void *)data, len); | |
629 | #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ | |
630 | printf ("OK\n"); | |
631 | } | |
632 | } else { | |
633 | initrd_start = 0; | |
634 | initrd_end = 0; | |
635 | } | |
636 | ||
637 | ||
638 | debug ("## Transferring control to Linux (at address %08lx) ...\n", | |
639 | (ulong)kernel); | |
640 | ||
641 | SHOW_BOOT_PROGRESS (15); | |
642 | ||
643 | #ifdef CFG_INIT_RAM_LOCK | |
644 | unlock_ram_in_cache(); | |
645 | #endif | |
646 | /* | |
647 | * Linux Kernel Parameters: | |
648 | * r3: ptr to board info data | |
649 | * r4: initrd_start or 0 if no initrd | |
650 | * r5: initrd_end - unused if r4 is 0 | |
651 | * r6: Start of command line string | |
652 | * r7: End of command line string | |
653 | */ | |
654 | (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); | |
655 | } | |
656 | #endif /* CONFIG_PPC */ | |
657 | ||
658 | static void | |
659 | do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag, | |
660 | int argc, char *argv[], | |
661 | ulong addr, | |
662 | ulong *len_ptr, | |
663 | int verify) | |
664 | { | |
665 | DECLARE_GLOBAL_DATA_PTR; | |
666 | ||
667 | image_header_t *hdr = &header; | |
668 | ||
669 | void (*loader)(bd_t *, image_header_t *, char *, char *); | |
670 | image_header_t *img_addr; | |
671 | char *consdev; | |
672 | char *cmdline; | |
673 | ||
674 | ||
675 | /* | |
676 | * Booting a (NetBSD) kernel image | |
677 | * | |
678 | * This process is pretty similar to a standalone application: | |
679 | * The (first part of an multi-) image must be a stage-2 loader, | |
680 | * which in turn is responsible for loading & invoking the actual | |
681 | * kernel. The only differences are the parameters being passed: | |
682 | * besides the board info strucure, the loader expects a command | |
683 | * line, the name of the console device, and (optionally) the | |
684 | * address of the original image header. | |
685 | */ | |
686 | ||
687 | img_addr = 0; | |
688 | if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) | |
689 | img_addr = (image_header_t *) addr; | |
690 | ||
691 | ||
692 | consdev = ""; | |
693 | #if defined (CONFIG_8xx_CONS_SMC1) | |
694 | consdev = "smc1"; | |
695 | #elif defined (CONFIG_8xx_CONS_SMC2) | |
696 | consdev = "smc2"; | |
697 | #elif defined (CONFIG_8xx_CONS_SCC2) | |
698 | consdev = "scc2"; | |
699 | #elif defined (CONFIG_8xx_CONS_SCC3) | |
700 | consdev = "scc3"; | |
701 | #endif | |
702 | ||
703 | if (argc > 2) { | |
704 | ulong len; | |
705 | int i; | |
706 | ||
707 | for (i=2, len=0 ; i<argc ; i+=1) | |
708 | len += strlen (argv[i]) + 1; | |
709 | cmdline = malloc (len); | |
710 | ||
711 | for (i=2, len=0 ; i<argc ; i+=1) { | |
712 | if (i > 2) | |
713 | cmdline[len++] = ' '; | |
714 | strcpy (&cmdline[len], argv[i]); | |
715 | len += strlen (argv[i]); | |
716 | } | |
717 | } else if ((cmdline = getenv("bootargs")) == NULL) { | |
718 | cmdline = ""; | |
719 | } | |
720 | ||
721 | loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep; | |
722 | ||
723 | printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n", | |
724 | (ulong)loader); | |
725 | ||
726 | SHOW_BOOT_PROGRESS (15); | |
727 | ||
728 | /* | |
729 | * NetBSD Stage-2 Loader Parameters: | |
730 | * r3: ptr to board info data | |
731 | * r4: image address | |
732 | * r5: console device | |
733 | * r6: boot args string | |
734 | */ | |
735 | (*loader) (gd->bd, img_addr, consdev, cmdline); | |
736 | } | |
737 | ||
738 | #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) | |
739 | ||
740 | /* Function that returns a character from the environment */ | |
741 | extern uchar (*env_get_char)(int); | |
742 | ||
743 | static void | |
744 | do_bootm_artos (cmd_tbl_t *cmdtp, int flag, | |
745 | int argc, char *argv[], | |
746 | ulong addr, | |
747 | ulong *len_ptr, | |
748 | int verify) | |
749 | { | |
750 | DECLARE_GLOBAL_DATA_PTR; | |
751 | ulong top; | |
752 | char *s, *cmdline; | |
753 | char **fwenv, **ss; | |
754 | int i, j, nxt, len, envno, envsz; | |
755 | bd_t *kbd; | |
756 | void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top); | |
757 | image_header_t *hdr = &header; | |
758 | ||
759 | /* | |
760 | * Booting an ARTOS kernel image + application | |
761 | */ | |
762 | ||
763 | /* this used to be the top of memory, but was wrong... */ | |
764 | #ifdef CONFIG_PPC | |
765 | /* get stack pointer */ | |
766 | asm volatile ("mr %0,1" : "=r"(top) ); | |
767 | #endif | |
768 | debug ("## Current stack ends at 0x%08lX ", top); | |
769 | ||
770 | top -= 2048; /* just to be sure */ | |
771 | if (top > CFG_BOOTMAPSZ) | |
772 | top = CFG_BOOTMAPSZ; | |
773 | top &= ~0xF; | |
774 | ||
775 | debug ("=> set upper limit to 0x%08lX\n", top); | |
776 | ||
777 | /* first check the artos specific boot args, then the linux args*/ | |
778 | if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL) | |
779 | s = ""; | |
780 | ||
781 | /* get length of cmdline, and place it */ | |
782 | len = strlen(s); | |
783 | top = (top - (len + 1)) & ~0xF; | |
784 | cmdline = (char *)top; | |
785 | debug ("## cmdline at 0x%08lX ", top); | |
786 | strcpy(cmdline, s); | |
787 | ||
788 | /* copy bdinfo */ | |
789 | top = (top - sizeof(bd_t)) & ~0xF; | |
790 | debug ("## bd at 0x%08lX ", top); | |
791 | kbd = (bd_t *)top; | |
792 | memcpy(kbd, gd->bd, sizeof(bd_t)); | |
793 | ||
794 | /* first find number of env entries, and their size */ | |
795 | envno = 0; | |
796 | envsz = 0; | |
797 | for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { | |
798 | for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) | |
799 | ; | |
800 | envno++; | |
801 | envsz += (nxt - i) + 1; /* plus trailing zero */ | |
802 | } | |
803 | envno++; /* plus the terminating zero */ | |
804 | debug ("## %u envvars total size %u ", envno, envsz); | |
805 | ||
806 | top = (top - sizeof(char **)*envno) & ~0xF; | |
807 | fwenv = (char **)top; | |
808 | debug ("## fwenv at 0x%08lX ", top); | |
809 | ||
810 | top = (top - envsz) & ~0xF; | |
811 | s = (char *)top; | |
812 | ss = fwenv; | |
813 | ||
814 | /* now copy them */ | |
815 | for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { | |
816 | for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) | |
817 | ; | |
818 | *ss++ = s; | |
819 | for (j = i; j < nxt; ++j) | |
820 | *s++ = env_get_char(j); | |
821 | *s++ = '\0'; | |
822 | } | |
823 | *ss++ = NULL; /* terminate */ | |
824 | ||
825 | entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep); | |
826 | (*entry)(kbd, cmdline, fwenv, top); | |
827 | } | |
828 | #endif | |
829 | ||
830 | ||
831 | #if (CONFIG_COMMANDS & CFG_CMD_BOOTD) | |
832 | int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
833 | { | |
834 | int rcode = 0; | |
835 | #ifndef CFG_HUSH_PARSER | |
836 | if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1; | |
837 | #else | |
838 | if (parse_string_outer(getenv("bootcmd"), | |
839 | FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1; | |
840 | #endif | |
841 | return rcode; | |
842 | } | |
843 | #endif | |
844 | ||
845 | #if (CONFIG_COMMANDS & CFG_CMD_IMI) | |
846 | int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
847 | { | |
848 | int arg; | |
849 | ulong addr; | |
850 | int rcode=0; | |
851 | ||
852 | if (argc < 2) { | |
853 | return image_info (load_addr); | |
854 | } | |
855 | ||
856 | for (arg=1; arg <argc; ++arg) { | |
857 | addr = simple_strtoul(argv[arg], NULL, 16); | |
858 | if (image_info (addr) != 0) rcode = 1; | |
859 | } | |
860 | return rcode; | |
861 | } | |
862 | ||
863 | static int image_info (ulong addr) | |
864 | { | |
865 | ulong data, len, checksum; | |
866 | image_header_t *hdr = &header; | |
867 | ||
868 | printf ("\n## Checking Image at %08lx ...\n", addr); | |
869 | ||
870 | /* Copy header so we can blank CRC field for re-calculation */ | |
871 | memmove (&header, (char *)addr, sizeof(image_header_t)); | |
872 | ||
873 | if (ntohl(hdr->ih_magic) != IH_MAGIC) { | |
874 | printf (" Bad Magic Number\n"); | |
875 | return 1; | |
876 | } | |
877 | ||
878 | data = (ulong)&header; | |
879 | len = sizeof(image_header_t); | |
880 | ||
881 | checksum = ntohl(hdr->ih_hcrc); | |
882 | hdr->ih_hcrc = 0; | |
883 | ||
884 | if (crc32 (0, (char *)data, len) != checksum) { | |
885 | printf (" Bad Header Checksum\n"); | |
886 | return 1; | |
887 | } | |
888 | ||
889 | /* for multi-file images we need the data part, too */ | |
890 | print_image_hdr ((image_header_t *)addr); | |
891 | ||
892 | data = addr + sizeof(image_header_t); | |
893 | len = ntohl(hdr->ih_size); | |
894 | ||
895 | printf (" Verifying Checksum ... "); | |
896 | if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { | |
897 | printf (" Bad Data CRC\n"); | |
898 | return 1; | |
899 | } | |
900 | printf ("OK\n"); | |
901 | return 0; | |
902 | } | |
903 | #endif /* CFG_CMD_IMI */ | |
904 | ||
905 | void | |
906 | print_image_hdr (image_header_t *hdr) | |
907 | { | |
908 | #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) | |
909 | time_t timestamp = (time_t)ntohl(hdr->ih_time); | |
910 | struct rtc_time tm; | |
911 | #endif | |
912 | ||
913 | printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name); | |
914 | #if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) | |
915 | to_tm (timestamp, &tm); | |
916 | printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n", | |
917 | tm.tm_year, tm.tm_mon, tm.tm_mday, | |
918 | tm.tm_hour, tm.tm_min, tm.tm_sec); | |
919 | #endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */ | |
920 | printf (" Image Type: "); print_type(hdr); printf ("\n"); | |
921 | printf (" Data Size: %d Bytes = ", ntohl(hdr->ih_size)); | |
922 | print_size (ntohl(hdr->ih_size), "\n"); | |
923 | printf (" Load Address: %08x\n", ntohl(hdr->ih_load)); | |
924 | printf (" Entry Point: %08x\n", ntohl(hdr->ih_ep)); | |
925 | ||
926 | if (hdr->ih_type == IH_TYPE_MULTI) { | |
927 | int i; | |
928 | ulong len; | |
929 | ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t)); | |
930 | ||
931 | printf (" Contents:\n"); | |
932 | for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) { | |
933 | printf (" Image %d: %8ld Bytes = ", i, len); | |
934 | print_size (len, "\n"); | |
935 | } | |
936 | } | |
937 | } | |
938 | ||
939 | ||
940 | static void | |
941 | print_type (image_header_t *hdr) | |
942 | { | |
943 | char *os, *arch, *type, *comp; | |
944 | ||
945 | switch (hdr->ih_os) { | |
946 | case IH_OS_INVALID: os = "Invalid OS"; break; | |
947 | case IH_OS_NETBSD: os = "NetBSD"; break; | |
948 | case IH_OS_LINUX: os = "Linux"; break; | |
949 | case IH_OS_VXWORKS: os = "VxWorks"; break; | |
950 | case IH_OS_QNX: os = "QNX"; break; | |
951 | case IH_OS_U_BOOT: os = "U-Boot"; break; | |
952 | case IH_OS_RTEMS: os = "RTEMS"; break; | |
953 | #ifdef CONFIG_ARTOS | |
954 | case IH_OS_ARTOS: os = "ARTOS"; break; | |
955 | #endif | |
956 | default: os = "Unknown OS"; break; | |
957 | } | |
958 | ||
959 | switch (hdr->ih_arch) { | |
960 | case IH_CPU_INVALID: arch = "Invalid CPU"; break; | |
961 | case IH_CPU_ALPHA: arch = "Alpha"; break; | |
962 | case IH_CPU_ARM: arch = "ARM"; break; | |
963 | case IH_CPU_I386: arch = "Intel x86"; break; | |
964 | case IH_CPU_IA64: arch = "IA64"; break; | |
965 | case IH_CPU_MIPS: arch = "MIPS"; break; | |
966 | case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break; | |
967 | case IH_CPU_PPC: arch = "PowerPC"; break; | |
968 | case IH_CPU_S390: arch = "IBM S390"; break; | |
969 | case IH_CPU_SH: arch = "SuperH"; break; | |
970 | case IH_CPU_SPARC: arch = "SPARC"; break; | |
971 | case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break; | |
972 | default: arch = "Unknown Architecture"; break; | |
973 | } | |
974 | ||
975 | switch (hdr->ih_type) { | |
976 | case IH_TYPE_INVALID: type = "Invalid Image"; break; | |
977 | case IH_TYPE_STANDALONE:type = "Standalone Program"; break; | |
978 | case IH_TYPE_KERNEL: type = "Kernel Image"; break; | |
979 | case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break; | |
980 | case IH_TYPE_MULTI: type = "Multi-File Image"; break; | |
981 | case IH_TYPE_FIRMWARE: type = "Firmware"; break; | |
982 | case IH_TYPE_SCRIPT: type = "Script"; break; | |
983 | default: type = "Unknown Image"; break; | |
984 | } | |
985 | ||
986 | switch (hdr->ih_comp) { | |
987 | case IH_COMP_NONE: comp = "uncompressed"; break; | |
988 | case IH_COMP_GZIP: comp = "gzip compressed"; break; | |
989 | case IH_COMP_BZIP2: comp = "bzip2 compressed"; break; | |
990 | default: comp = "unknown compression"; break; | |
991 | } | |
992 | ||
993 | printf ("%s %s %s (%s)", arch, os, type, comp); | |
994 | } | |
995 | ||
996 | #define ZALLOC_ALIGNMENT 16 | |
997 | ||
998 | static void *zalloc(void *x, unsigned items, unsigned size) | |
999 | { | |
1000 | void *p; | |
1001 | ||
1002 | size *= items; | |
1003 | size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); | |
1004 | ||
1005 | p = malloc (size); | |
1006 | ||
1007 | return (p); | |
1008 | } | |
1009 | ||
1010 | static void zfree(void *x, void *addr, unsigned nb) | |
1011 | { | |
1012 | free (addr); | |
1013 | } | |
1014 | ||
1015 | #define HEAD_CRC 2 | |
1016 | #define EXTRA_FIELD 4 | |
1017 | #define ORIG_NAME 8 | |
1018 | #define COMMENT 0x10 | |
1019 | #define RESERVED 0xe0 | |
1020 | ||
1021 | #define DEFLATED 8 | |
1022 | ||
1023 | int gunzip(void *dst, int dstlen, unsigned char *src, int *lenp) | |
1024 | { | |
1025 | z_stream s; | |
1026 | int r, i, flags; | |
1027 | ||
1028 | /* skip header */ | |
1029 | i = 10; | |
1030 | flags = src[3]; | |
1031 | if (src[2] != DEFLATED || (flags & RESERVED) != 0) { | |
1032 | printf ("Error: Bad gzipped data\n"); | |
1033 | return (-1); | |
1034 | } | |
1035 | if ((flags & EXTRA_FIELD) != 0) | |
1036 | i = 12 + src[10] + (src[11] << 8); | |
1037 | if ((flags & ORIG_NAME) != 0) | |
1038 | while (src[i++] != 0) | |
1039 | ; | |
1040 | if ((flags & COMMENT) != 0) | |
1041 | while (src[i++] != 0) | |
1042 | ; | |
1043 | if ((flags & HEAD_CRC) != 0) | |
1044 | i += 2; | |
1045 | if (i >= *lenp) { | |
1046 | printf ("Error: gunzip out of data in header\n"); | |
1047 | return (-1); | |
1048 | } | |
1049 | ||
1050 | s.zalloc = zalloc; | |
1051 | s.zfree = zfree; | |
1052 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
1053 | s.outcb = (cb_func)WATCHDOG_RESET; | |
1054 | #else | |
1055 | s.outcb = Z_NULL; | |
1056 | #endif /* CONFIG_HW_WATCHDOG */ | |
1057 | ||
1058 | r = inflateInit2(&s, -MAX_WBITS); | |
1059 | if (r != Z_OK) { | |
1060 | printf ("Error: inflateInit2() returned %d\n", r); | |
1061 | return (-1); | |
1062 | } | |
1063 | s.next_in = src + i; | |
1064 | s.avail_in = *lenp - i; | |
1065 | s.next_out = dst; | |
1066 | s.avail_out = dstlen; | |
1067 | r = inflate(&s, Z_FINISH); | |
1068 | if (r != Z_OK && r != Z_STREAM_END) { | |
1069 | printf ("Error: inflate() returned %d\n", r); | |
1070 | return (-1); | |
1071 | } | |
1072 | *lenp = s.next_out - (unsigned char *) dst; | |
1073 | inflateEnd(&s); | |
1074 | ||
1075 | return (0); | |
1076 | } | |
1077 | ||
1078 | static void | |
1079 | do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], | |
1080 | ulong addr, ulong *len_ptr, int verify) | |
1081 | { | |
1082 | DECLARE_GLOBAL_DATA_PTR; | |
1083 | image_header_t *hdr = &header; | |
1084 | void (*entry_point)(bd_t *); | |
1085 | ||
1086 | entry_point = (void (*)(bd_t *)) hdr->ih_ep; | |
1087 | ||
1088 | printf ("## Transferring control to RTEMS (at address %08lx) ...\n", | |
1089 | (ulong)entry_point); | |
1090 | ||
1091 | SHOW_BOOT_PROGRESS (15); | |
1092 | ||
1093 | /* | |
1094 | * RTEMS Parameters: | |
1095 | * r3: ptr to board info data | |
1096 | */ | |
1097 | ||
1098 | (*entry_point ) ( gd->bd ); | |
1099 | } | |
1100 | ||
1101 | #if (CONFIG_COMMANDS & CFG_CMD_ELF) | |
1102 | static void | |
1103 | do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], | |
1104 | ulong addr, ulong *len_ptr, int verify) | |
1105 | { | |
1106 | image_header_t *hdr = &header; | |
1107 | char str[80]; | |
1108 | ||
1109 | sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */ | |
1110 | setenv("loadaddr", str); | |
1111 | do_bootvx(cmdtp, 0, 0, NULL); | |
1112 | } | |
1113 | ||
1114 | static void | |
1115 | do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], | |
1116 | ulong addr, ulong *len_ptr, int verify) | |
1117 | { | |
1118 | image_header_t *hdr = &header; | |
1119 | char *local_args[2]; | |
1120 | char str[16]; | |
1121 | ||
1122 | sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */ | |
1123 | local_args[0] = argv[0]; | |
1124 | local_args[1] = str; /* and provide it via the arguments */ | |
1125 | do_bootelf(cmdtp, 0, 2, local_args); | |
1126 | } | |
1127 | #endif /* CFG_CMD_ELF */ |