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47d1a6e1 | 1 | /* |
15940c9a | 2 | * (C) Copyright 2000-2006 |
47d1a6e1 WD |
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 | ||
b97a2a0a MB |
24 | #define DEBUG |
25 | ||
47d1a6e1 WD |
26 | /* |
27 | * Boot support | |
28 | */ | |
29 | #include <common.h> | |
30 | #include <watchdog.h> | |
31 | #include <command.h> | |
47d1a6e1 WD |
32 | #include <image.h> |
33 | #include <malloc.h> | |
34 | #include <zlib.h> | |
c29fdfc1 | 35 | #include <bzlib.h> |
7f70e853 | 36 | #include <environment.h> |
4ed6552f | 37 | #include <lmb.h> |
47d1a6e1 | 38 | #include <asm/byteorder.h> |
8bde7f77 | 39 | |
47d1a6e1 WD |
40 | #ifdef CFG_HUSH_PARSER |
41 | #include <hush.h> | |
42 | #endif | |
43 | ||
1ee1180b MB |
44 | DECLARE_GLOBAL_DATA_PTR; |
45 | ||
46 | extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp); | |
47 | #ifndef CFG_BOOTM_LEN | |
48 | #define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */ | |
49 | #endif | |
47d1a6e1 | 50 | |
321359f2 MB |
51 | #ifdef CONFIG_BZIP2 |
52 | extern void bz_internal_error(int); | |
53 | #endif | |
47d1a6e1 | 54 | |
baa26db4 | 55 | #if defined(CONFIG_CMD_IMI) |
47d1a6e1 WD |
56 | static int image_info (unsigned long addr); |
57 | #endif | |
27b207fd | 58 | |
baa26db4 | 59 | #if defined(CONFIG_CMD_IMLS) |
27b207fd | 60 | #include <flash.h> |
e6f2e902 | 61 | extern flash_info_t flash_info[]; /* info for FLASH chips */ |
27b207fd WD |
62 | static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
63 | #endif | |
64 | ||
1ee1180b MB |
65 | #ifdef CONFIG_SILENT_CONSOLE |
66 | static void fixup_silent_linux (void); | |
67 | #endif | |
68 | ||
6986a385 MB |
69 | static image_header_t *image_get_kernel (ulong img_addr, int verify); |
70 | #if defined(CONFIG_FIT) | |
71 | static int fit_check_kernel (const void *fit, int os_noffset, int verify); | |
72 | #endif | |
73 | ||
9a4daad0 | 74 | static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[], |
8a5ea3e6 | 75 | bootm_headers_t *images, ulong *os_data, ulong *os_len); |
1ee1180b | 76 | extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
47d1a6e1 WD |
77 | |
78 | /* | |
79 | * Continue booting an OS image; caller already has: | |
80 | * - copied image header to global variable `header' | |
81 | * - checked header magic number, checksums (both header & image), | |
82 | * - verified image architecture (PPC) and type (KERNEL or MULTI), | |
83 | * - loaded (first part of) image to header load address, | |
84 | * - disabled interrupts. | |
85 | */ | |
1ee1180b | 86 | typedef void boot_os_fn (cmd_tbl_t *cmdtp, int flag, |
f13e7b2e | 87 | int argc, char *argv[], |
8a5ea3e6 | 88 | bootm_headers_t *images); /* pointers to os/initrd/fdt */ |
1ee1180b MB |
89 | |
90 | extern boot_os_fn do_bootm_linux; | |
91 | static boot_os_fn do_bootm_netbsd; | |
f13e7b2e | 92 | #if defined(CONFIG_LYNXKDI) |
1ee1180b MB |
93 | static boot_os_fn do_bootm_lynxkdi; |
94 | extern void lynxkdi_boot (image_header_t *); | |
f72da340 | 95 | #endif |
1ee1180b | 96 | static boot_os_fn do_bootm_rtems; |
baa26db4 | 97 | #if defined(CONFIG_CMD_ELF) |
1ee1180b MB |
98 | static boot_os_fn do_bootm_vxworks; |
99 | static boot_os_fn do_bootm_qnxelf; | |
100 | int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); | |
101 | int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); | |
90253178 | 102 | #endif |
7f70e853 | 103 | #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) |
1ee1180b MB |
104 | extern uchar (*env_get_char)(int); /* Returns a character from the environment */ |
105 | static boot_os_fn do_bootm_artos; | |
15940c9a SR |
106 | #endif |
107 | ||
1ee1180b | 108 | ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */ |
d5934ad7 | 109 | static bootm_headers_t images; /* pointers to os/initrd/fdt images */ |
1ee1180b | 110 | |
e822d7fc KG |
111 | void __board_lmb_reserve(struct lmb *lmb) |
112 | { | |
113 | /* please define platform specific board_lmb_reserve() */ | |
114 | } | |
115 | void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve"))); | |
116 | ||
47d1a6e1 | 117 | |
1ee1180b MB |
118 | /*******************************************************************/ |
119 | /* bootm - boot application image from image in memory */ | |
120 | /*******************************************************************/ | |
47d1a6e1 WD |
121 | int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
122 | { | |
f13e7b2e | 123 | ulong iflag; |
42b73e8e | 124 | const char *type_name; |
f13e7b2e | 125 | uint unc_len = CFG_BOOTM_LEN; |
d5934ad7 | 126 | uint8_t comp, type, os; |
47d1a6e1 | 127 | |
d5934ad7 | 128 | void *os_hdr; |
f13e7b2e | 129 | ulong os_data, os_len; |
7582438c MB |
130 | ulong image_start, image_end; |
131 | ulong load_start, load_end; | |
d3f2fa0d | 132 | ulong mem_start, mem_size; |
6986a385 MB |
133 | #if defined(CONFIG_FIT) |
134 | int os_noffset; | |
135 | #endif | |
7582438c | 136 | |
4ed6552f KG |
137 | struct lmb lmb; |
138 | ||
d5934ad7 | 139 | memset ((void *)&images, 0, sizeof (images)); |
8a5ea3e6 | 140 | images.verify = getenv_verify(); |
f5614e79 | 141 | images.autostart = getenv_autostart(); |
4ed6552f KG |
142 | images.lmb = &lmb; |
143 | ||
144 | lmb_init(&lmb); | |
145 | ||
d3f2fa0d KG |
146 | mem_start = getenv_bootm_low(); |
147 | mem_size = getenv_bootm_size(); | |
148 | ||
149 | lmb_add(&lmb, mem_start, mem_size); | |
d5934ad7 | 150 | |
e822d7fc KG |
151 | board_lmb_reserve(&lmb); |
152 | ||
5cf746c3 | 153 | /* get kernel image header, start address and length */ |
9a4daad0 | 154 | os_hdr = boot_get_kernel (cmdtp, flag, argc, argv, |
d5934ad7 | 155 | &images, &os_data, &os_len); |
6986a385 MB |
156 | if (os_len == 0) { |
157 | puts ("ERROR: can't get kernel image!\n"); | |
47d1a6e1 | 158 | return 1; |
6986a385 | 159 | } |
47d1a6e1 | 160 | |
fad63407 | 161 | show_boot_progress (6); |
47d1a6e1 | 162 | |
d5934ad7 | 163 | /* get image parameters */ |
9a4daad0 | 164 | switch (genimg_get_format (os_hdr)) { |
d5934ad7 MB |
165 | case IMAGE_FORMAT_LEGACY: |
166 | type = image_get_type (os_hdr); | |
167 | comp = image_get_comp (os_hdr); | |
168 | os = image_get_os (os_hdr); | |
169 | ||
170 | image_end = image_get_image_end (os_hdr); | |
171 | load_start = image_get_load (os_hdr); | |
172 | break; | |
173 | #if defined(CONFIG_FIT) | |
174 | case IMAGE_FORMAT_FIT: | |
6986a385 MB |
175 | os_noffset = fit_image_get_node (images.fit_hdr_os, |
176 | images.fit_uname_os); | |
177 | if (os_noffset < 0) { | |
178 | printf ("Can't get image node for '%s'!\n", | |
179 | images.fit_uname_os); | |
180 | return 1; | |
181 | } | |
182 | ||
183 | if (fit_image_get_type (images.fit_hdr_os, os_noffset, &type)) { | |
184 | puts ("Can't get image type!\n"); | |
185 | return 1; | |
186 | } | |
187 | ||
188 | if (fit_image_get_comp (images.fit_hdr_os, os_noffset, &comp)) { | |
189 | puts ("Can't get image compression!\n"); | |
190 | return 1; | |
191 | } | |
192 | ||
193 | if (fit_image_get_os (images.fit_hdr_os, os_noffset, &os)) { | |
194 | puts ("Can't get image OS!\n"); | |
195 | return 1; | |
196 | } | |
197 | ||
198 | image_end = fit_get_end (images.fit_hdr_os); | |
199 | ||
200 | if (fit_image_get_load (images.fit_hdr_os, os_noffset, | |
201 | &load_start)) { | |
202 | puts ("Can't get image load address!\n"); | |
203 | return 1; | |
204 | } | |
205 | break; | |
d5934ad7 MB |
206 | #endif |
207 | default: | |
208 | puts ("ERROR: unknown image format type!\n"); | |
209 | return 1; | |
210 | } | |
211 | ||
212 | image_start = (ulong)os_hdr; | |
213 | load_end = 0; | |
9a4daad0 | 214 | type_name = genimg_get_type_name (type); |
d5934ad7 | 215 | |
47d1a6e1 WD |
216 | /* |
217 | * We have reached the point of no return: we are going to | |
218 | * overwrite all exception vector code, so we cannot easily | |
219 | * recover from any failures any more... | |
220 | */ | |
47d1a6e1 WD |
221 | iflag = disable_interrupts(); |
222 | ||
c7de829c WD |
223 | #ifdef CONFIG_AMIGAONEG3SE |
224 | /* | |
8bde7f77 | 225 | * We've possible left the caches enabled during |
c7de829c WD |
226 | * bios emulation, so turn them off again |
227 | */ | |
228 | icache_disable(); | |
229 | invalidate_l1_instruction_cache(); | |
230 | flush_data_cache(); | |
231 | dcache_disable(); | |
232 | #endif | |
233 | ||
d5934ad7 | 234 | switch (comp) { |
47d1a6e1 | 235 | case IH_COMP_NONE: |
d5934ad7 | 236 | if (load_start == (ulong)os_hdr) { |
42b73e8e | 237 | printf (" XIP %s ... ", type_name); |
47d1a6e1 | 238 | } else { |
42b73e8e | 239 | printf (" Loading %s ... ", type_name); |
47d1a6e1 | 240 | |
d5934ad7 | 241 | memmove_wd ((void *)load_start, |
f13e7b2e | 242 | (void *)os_data, os_len, CHUNKSZ); |
af13cdbc | 243 | |
7582438c | 244 | load_end = load_start + os_len; |
af13cdbc | 245 | puts("OK\n"); |
47d1a6e1 WD |
246 | } |
247 | break; | |
248 | case IH_COMP_GZIP: | |
42b73e8e | 249 | printf (" Uncompressing %s ... ", type_name); |
d5934ad7 | 250 | if (gunzip ((void *)load_start, unc_len, |
f13e7b2e | 251 | (uchar *)os_data, &os_len) != 0) { |
4b9206ed | 252 | puts ("GUNZIP ERROR - must RESET board to recover\n"); |
fad63407 | 253 | show_boot_progress (-6); |
47d1a6e1 WD |
254 | do_reset (cmdtp, flag, argc, argv); |
255 | } | |
7582438c MB |
256 | |
257 | load_end = load_start + os_len; | |
47d1a6e1 | 258 | break; |
c29fdfc1 WD |
259 | #ifdef CONFIG_BZIP2 |
260 | case IH_COMP_BZIP2: | |
42b73e8e | 261 | printf (" Uncompressing %s ... ", type_name); |
5653fc33 WD |
262 | /* |
263 | * If we've got less than 4 MB of malloc() space, | |
264 | * use slower decompression algorithm which requires | |
265 | * at most 2300 KB of memory. | |
266 | */ | |
d5934ad7 | 267 | int i = BZ2_bzBuffToBuffDecompress ((char*)load_start, |
f13e7b2e MB |
268 | &unc_len, (char *)os_data, os_len, |
269 | CFG_MALLOC_LEN < (4096 * 1024), 0); | |
c29fdfc1 WD |
270 | if (i != BZ_OK) { |
271 | printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i); | |
fad63407 | 272 | show_boot_progress (-6); |
c29fdfc1 WD |
273 | do_reset (cmdtp, flag, argc, argv); |
274 | } | |
7582438c MB |
275 | |
276 | load_end = load_start + unc_len; | |
c29fdfc1 WD |
277 | break; |
278 | #endif /* CONFIG_BZIP2 */ | |
47d1a6e1 WD |
279 | default: |
280 | if (iflag) | |
281 | enable_interrupts(); | |
d5934ad7 | 282 | printf ("Unimplemented compression type %d\n", comp); |
fad63407 | 283 | show_boot_progress (-7); |
47d1a6e1 WD |
284 | return 1; |
285 | } | |
4b9206ed | 286 | puts ("OK\n"); |
5cf746c3 | 287 | debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end); |
fad63407 | 288 | show_boot_progress (7); |
47d1a6e1 | 289 | |
7582438c MB |
290 | if ((load_start < image_end) && (load_end > image_start)) { |
291 | debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end); | |
292 | debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end); | |
293 | ||
294 | puts ("ERROR: image overwritten - must RESET the board to recover.\n"); | |
295 | do_reset (cmdtp, flag, argc, argv); | |
296 | } | |
297 | ||
fad63407 | 298 | show_boot_progress (8); |
47d1a6e1 | 299 | |
4ed6552f KG |
300 | lmb_reserve(&lmb, load_start, (load_end - load_start)); |
301 | ||
d5934ad7 | 302 | switch (os) { |
47d1a6e1 WD |
303 | default: /* handled by (original) Linux case */ |
304 | case IH_OS_LINUX: | |
f72da340 WD |
305 | #ifdef CONFIG_SILENT_CONSOLE |
306 | fixup_silent_linux(); | |
307 | #endif | |
8a5ea3e6 | 308 | do_bootm_linux (cmdtp, flag, argc, argv, &images); |
47d1a6e1 | 309 | break; |
1ee1180b | 310 | |
47d1a6e1 | 311 | case IH_OS_NETBSD: |
8a5ea3e6 | 312 | do_bootm_netbsd (cmdtp, flag, argc, argv, &images); |
47d1a6e1 | 313 | break; |
8bde7f77 | 314 | |
1f4bb37d WD |
315 | #ifdef CONFIG_LYNXKDI |
316 | case IH_OS_LYNXOS: | |
8a5ea3e6 | 317 | do_bootm_lynxkdi (cmdtp, flag, argc, argv, &images); |
1f4bb37d WD |
318 | break; |
319 | #endif | |
320 | ||
d791b1dc | 321 | case IH_OS_RTEMS: |
8a5ea3e6 | 322 | do_bootm_rtems (cmdtp, flag, argc, argv, &images); |
d791b1dc | 323 | break; |
8bde7f77 | 324 | |
baa26db4 | 325 | #if defined(CONFIG_CMD_ELF) |
47d1a6e1 | 326 | case IH_OS_VXWORKS: |
8a5ea3e6 | 327 | do_bootm_vxworks (cmdtp, flag, argc, argv, &images); |
47d1a6e1 | 328 | break; |
f13e7b2e | 329 | |
47d1a6e1 | 330 | case IH_OS_QNX: |
8a5ea3e6 | 331 | do_bootm_qnxelf (cmdtp, flag, argc, argv, &images); |
47d1a6e1 | 332 | break; |
90253178 | 333 | #endif |
1ee1180b | 334 | |
7f70e853 WD |
335 | #ifdef CONFIG_ARTOS |
336 | case IH_OS_ARTOS: | |
8a5ea3e6 | 337 | do_bootm_artos (cmdtp, flag, argc, argv, &images); |
7f70e853 WD |
338 | break; |
339 | #endif | |
47d1a6e1 WD |
340 | } |
341 | ||
fad63407 | 342 | show_boot_progress (-9); |
47d1a6e1 | 343 | #ifdef DEBUG |
4b9206ed | 344 | puts ("\n## Control returned to monitor - resetting...\n"); |
a44a269a MB |
345 | if (images.autostart) |
346 | do_reset (cmdtp, flag, argc, argv); | |
47d1a6e1 | 347 | #endif |
a44a269a MB |
348 | if (!images.autostart && iflag) |
349 | enable_interrupts(); | |
350 | ||
47d1a6e1 WD |
351 | return 1; |
352 | } | |
353 | ||
1efd4360 | 354 | /** |
9a4daad0 MB |
355 | * image_get_kernel - verify legacy format kernel image |
356 | * @img_addr: in RAM address of the legacy format image to be verified | |
357 | * @verify: data CRC verification flag | |
1efd4360 | 358 | * |
9a4daad0 MB |
359 | * image_get_kernel() verifies legacy image integrity and returns pointer to |
360 | * legacy image header if image verification was completed successfully. | |
1efd4360 MB |
361 | * |
362 | * returns: | |
9a4daad0 MB |
363 | * pointer to a legacy image header if valid image was found |
364 | * otherwise return NULL | |
1efd4360 MB |
365 | */ |
366 | static image_header_t *image_get_kernel (ulong img_addr, int verify) | |
367 | { | |
368 | image_header_t *hdr = (image_header_t *)img_addr; | |
369 | ||
370 | if (!image_check_magic(hdr)) { | |
371 | puts ("Bad Magic Number\n"); | |
372 | show_boot_progress (-1); | |
373 | return NULL; | |
374 | } | |
375 | show_boot_progress (2); | |
376 | ||
377 | if (!image_check_hcrc (hdr)) { | |
378 | puts ("Bad Header Checksum\n"); | |
379 | show_boot_progress (-2); | |
380 | return NULL; | |
381 | } | |
382 | ||
383 | show_boot_progress (3); | |
384 | image_print_contents (hdr); | |
385 | ||
386 | if (verify) { | |
387 | puts (" Verifying Checksum ... "); | |
388 | if (!image_check_dcrc (hdr)) { | |
389 | printf ("Bad Data CRC\n"); | |
390 | show_boot_progress (-3); | |
391 | return NULL; | |
392 | } | |
393 | puts ("OK\n"); | |
394 | } | |
395 | show_boot_progress (4); | |
396 | ||
397 | if (!image_check_target_arch (hdr)) { | |
398 | printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr)); | |
399 | show_boot_progress (-4); | |
400 | return NULL; | |
401 | } | |
402 | return hdr; | |
403 | } | |
404 | ||
6986a385 MB |
405 | /** |
406 | * fit_check_kernel - verify FIT format kernel subimage | |
407 | * @fit_hdr: pointer to the FIT image header | |
408 | * os_noffset: kernel subimage node offset within FIT image | |
409 | * @verify: data CRC verification flag | |
410 | * | |
411 | * fit_check_kernel() verifies integrity of the kernel subimage and from | |
412 | * specified FIT image. | |
413 | * | |
414 | * returns: | |
415 | * 1, on success | |
416 | * 0, on failure | |
417 | */ | |
418 | #if defined (CONFIG_FIT) | |
419 | static int fit_check_kernel (const void *fit, int os_noffset, int verify) | |
420 | { | |
421 | fit_image_print (fit, os_noffset, " "); | |
422 | ||
423 | if (verify) { | |
424 | puts (" Verifying Hash Integrity ... "); | |
425 | if (!fit_image_check_hashes (fit, os_noffset)) { | |
426 | puts ("Bad Data Hash\n"); | |
427 | return 0; | |
428 | } | |
429 | puts ("OK\n"); | |
430 | } | |
431 | ||
432 | if (!fit_image_check_target_arch (fit, os_noffset)) { | |
433 | puts ("Unsupported Architecture\n"); | |
434 | return 0; | |
435 | } | |
436 | ||
437 | if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) { | |
438 | puts ("Not a kernel image\n"); | |
439 | return 0; | |
440 | } | |
441 | ||
442 | return 1; | |
443 | } | |
444 | #endif /* CONFIG_FIT */ | |
445 | ||
5cf746c3 | 446 | /** |
9a4daad0 | 447 | * boot_get_kernel - find kernel image |
5cf746c3 MB |
448 | * @os_data: pointer to a ulong variable, will hold os data start address |
449 | * @os_len: pointer to a ulong variable, will hold os data length | |
450 | * | |
9a4daad0 | 451 | * boot_get_kernel() tries to find a kernel image, verifies its integrity |
5cf746c3 MB |
452 | * and locates kernel data. |
453 | * | |
454 | * returns: | |
455 | * pointer to image header if valid image was found, plus kernel start | |
456 | * address and length, otherwise NULL | |
457 | */ | |
9a4daad0 | 458 | static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], |
8a5ea3e6 | 459 | bootm_headers_t *images, ulong *os_data, ulong *os_len) |
5cf746c3 MB |
460 | { |
461 | image_header_t *hdr; | |
462 | ulong img_addr; | |
d5934ad7 MB |
463 | #if defined(CONFIG_FIT) |
464 | void *fit_hdr; | |
465 | const char *fit_uname_config = NULL; | |
466 | const char *fit_uname_kernel = NULL; | |
6986a385 MB |
467 | const void *data; |
468 | size_t len; | |
469 | int conf_noffset; | |
470 | int os_noffset; | |
d5934ad7 | 471 | #endif |
5cf746c3 | 472 | |
d5934ad7 | 473 | /* find out kernel image address */ |
5cf746c3 MB |
474 | if (argc < 2) { |
475 | img_addr = load_addr; | |
d5934ad7 MB |
476 | debug ("* kernel: default image load address = 0x%08lx\n", |
477 | load_addr); | |
478 | #if defined(CONFIG_FIT) | |
479 | } else if (fit_parse_conf (argv[1], load_addr, &img_addr, | |
480 | &fit_uname_config)) { | |
481 | debug ("* kernel: config '%s' from image at 0x%08lx\n", | |
482 | fit_uname_config, img_addr); | |
483 | } else if (fit_parse_subimage (argv[1], load_addr, &img_addr, | |
484 | &fit_uname_kernel)) { | |
485 | debug ("* kernel: subimage '%s' from image at 0x%08lx\n", | |
486 | fit_uname_kernel, img_addr); | |
487 | #endif | |
5cf746c3 MB |
488 | } else { |
489 | img_addr = simple_strtoul(argv[1], NULL, 16); | |
d5934ad7 | 490 | debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr); |
5cf746c3 MB |
491 | } |
492 | ||
493 | show_boot_progress (1); | |
5cf746c3 | 494 | |
fff888a1 | 495 | /* copy from dataflash if needed */ |
9a4daad0 | 496 | img_addr = genimg_get_image (img_addr); |
5cf746c3 | 497 | |
d5934ad7 | 498 | /* check image type, for FIT images get FIT kernel node */ |
6986a385 | 499 | *os_data = *os_len = 0; |
9a4daad0 | 500 | switch (genimg_get_format ((void *)img_addr)) { |
d5934ad7 | 501 | case IMAGE_FORMAT_LEGACY: |
6986a385 MB |
502 | printf ("## Booting kernel from Legacy Image at %08lx ...\n", |
503 | img_addr); | |
1efd4360 MB |
504 | hdr = image_get_kernel (img_addr, images->verify); |
505 | if (!hdr) | |
d5934ad7 | 506 | return NULL; |
d5934ad7 MB |
507 | show_boot_progress (5); |
508 | ||
6986a385 | 509 | /* get os_data and os_len */ |
d5934ad7 MB |
510 | switch (image_get_type (hdr)) { |
511 | case IH_TYPE_KERNEL: | |
512 | *os_data = image_get_data (hdr); | |
513 | *os_len = image_get_data_size (hdr); | |
514 | break; | |
515 | case IH_TYPE_MULTI: | |
516 | image_multi_getimg (hdr, 0, os_data, os_len); | |
517 | break; | |
518 | default: | |
519 | printf ("Wrong Image Type for %s command\n", cmdtp->name); | |
520 | show_boot_progress (-5); | |
521 | return NULL; | |
522 | } | |
523 | images->legacy_hdr_os = hdr; | |
524 | images->legacy_hdr_valid = 1; | |
5cf746c3 | 525 | |
5cf746c3 | 526 | break; |
d5934ad7 MB |
527 | #if defined(CONFIG_FIT) |
528 | case IMAGE_FORMAT_FIT: | |
529 | fit_hdr = (void *)img_addr; | |
6986a385 MB |
530 | printf ("## Booting kernel from FIT Image at %08lx ...\n", |
531 | img_addr); | |
532 | ||
533 | if (!fit_check_format (fit_hdr)) { | |
534 | puts ("Bad FIT kernel image format!\n"); | |
535 | return NULL; | |
536 | } | |
537 | ||
538 | if (!fit_uname_kernel) { | |
539 | /* | |
540 | * no kernel image node unit name, try to get config | |
541 | * node first. If config unit node name is NULL | |
542 | * fit_conf_get_node() will try to find default config node | |
543 | */ | |
544 | conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); | |
545 | if (conf_noffset < 0) | |
546 | return NULL; | |
547 | ||
548 | os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset); | |
549 | fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL); | |
550 | } else { | |
551 | /* get kernel component image node offset */ | |
552 | os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel); | |
553 | } | |
554 | if (os_noffset < 0) | |
555 | return NULL; | |
556 | ||
557 | printf (" Trying '%s' kernel subimage\n", fit_uname_kernel); | |
558 | ||
559 | if (!fit_check_kernel (fit_hdr, os_noffset, images->verify)) | |
560 | return NULL; | |
561 | ||
562 | /* get kernel image data address and length */ | |
563 | if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) { | |
564 | puts ("Could not find kernel subimage data!\n"); | |
565 | return NULL; | |
566 | } | |
567 | ||
568 | *os_len = len; | |
569 | *os_data = (ulong)data; | |
570 | images->fit_hdr_os = fit_hdr; | |
571 | images->fit_uname_os = fit_uname_kernel; | |
572 | break; | |
d5934ad7 | 573 | #endif |
5cf746c3 | 574 | default: |
d5934ad7 | 575 | printf ("Wrong Image Format for %s command\n", cmdtp->name); |
5cf746c3 MB |
576 | return NULL; |
577 | } | |
d5934ad7 | 578 | |
6986a385 MB |
579 | debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n", |
580 | *os_data, *os_len, *os_len); | |
5cf746c3 | 581 | |
d5934ad7 | 582 | return (void *)img_addr; |
5cf746c3 MB |
583 | } |
584 | ||
0d498393 | 585 | U_BOOT_CMD( |
1ee1180b MB |
586 | bootm, CFG_MAXARGS, 1, do_bootm, |
587 | "bootm - boot application image from memory\n", | |
588 | "[addr [arg ...]]\n - boot application image stored in memory\n" | |
589 | "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" | |
590 | "\t'arg' can be the address of an initrd image\n" | |
4a2ad5ff | 591 | #if defined(CONFIG_OF_LIBFDT) |
98a9c4d4 | 592 | "\tWhen booting a Linux kernel which requires a flat device-tree\n" |
5441f61a | 593 | "\ta third argument is required which is the address of the\n" |
98a9c4d4 MM |
594 | "\tdevice-tree blob. To boot that kernel without an initrd image,\n" |
595 | "\tuse a '-' for the second argument. If you do not pass a third\n" | |
596 | "\ta bd_info struct will be passed instead\n" | |
597 | #endif | |
6986a385 MB |
598 | #if defined(CONFIG_FIT) |
599 | "\t\nFor the new multi component uImage format (FIT) addresses\n" | |
600 | "\tmust be extened to include component or configuration unit name:\n" | |
601 | "\taddr:<subimg_uname> - direct component image specification\n" | |
602 | "\taddr#<conf_uname> - configuration specification\n" | |
603 | "\tUse iminfo command to get the list of existing component\n" | |
604 | "\timages and configurations.\n" | |
605 | #endif | |
8bde7f77 WD |
606 | ); |
607 | ||
1ee1180b MB |
608 | /*******************************************************************/ |
609 | /* bootd - boot default image */ | |
610 | /*******************************************************************/ | |
baa26db4 | 611 | #if defined(CONFIG_CMD_BOOTD) |
47d1a6e1 WD |
612 | int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
613 | { | |
614 | int rcode = 0; | |
1ee1180b | 615 | |
47d1a6e1 | 616 | #ifndef CFG_HUSH_PARSER |
1ee1180b MB |
617 | if (run_command (getenv ("bootcmd"), flag) < 0) |
618 | rcode = 1; | |
47d1a6e1 | 619 | #else |
1ee1180b MB |
620 | if (parse_string_outer (getenv ("bootcmd"), |
621 | FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0) | |
622 | rcode = 1; | |
47d1a6e1 WD |
623 | #endif |
624 | return rcode; | |
625 | } | |
8bde7f77 | 626 | |
0d498393 | 627 | U_BOOT_CMD( |
1ee1180b MB |
628 | boot, 1, 1, do_bootd, |
629 | "boot - boot default, i.e., run 'bootcmd'\n", | |
9d2b18a0 WD |
630 | NULL |
631 | ); | |
632 | ||
633 | /* keep old command name "bootd" for backward compatibility */ | |
0d498393 | 634 | U_BOOT_CMD( |
1ee1180b MB |
635 | bootd, 1, 1, do_bootd, |
636 | "bootd - boot default, i.e., run 'bootcmd'\n", | |
8bde7f77 WD |
637 | NULL |
638 | ); | |
639 | ||
47d1a6e1 WD |
640 | #endif |
641 | ||
1ee1180b MB |
642 | |
643 | /*******************************************************************/ | |
644 | /* iminfo - print header info for a requested image */ | |
645 | /*******************************************************************/ | |
baa26db4 | 646 | #if defined(CONFIG_CMD_IMI) |
1ee1180b | 647 | int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
47d1a6e1 WD |
648 | { |
649 | int arg; | |
650 | ulong addr; | |
1ee1180b | 651 | int rcode = 0; |
47d1a6e1 WD |
652 | |
653 | if (argc < 2) { | |
654 | return image_info (load_addr); | |
655 | } | |
656 | ||
1ee1180b MB |
657 | for (arg = 1; arg < argc; ++arg) { |
658 | addr = simple_strtoul (argv[arg], NULL, 16); | |
659 | if (image_info (addr) != 0) | |
660 | rcode = 1; | |
47d1a6e1 WD |
661 | } |
662 | return rcode; | |
663 | } | |
664 | ||
665 | static int image_info (ulong addr) | |
666 | { | |
d5934ad7 | 667 | void *hdr = (void *)addr; |
47d1a6e1 WD |
668 | |
669 | printf ("\n## Checking Image at %08lx ...\n", addr); | |
670 | ||
9a4daad0 | 671 | switch (genimg_get_format (hdr)) { |
d5934ad7 MB |
672 | case IMAGE_FORMAT_LEGACY: |
673 | puts (" Legacy image found\n"); | |
674 | if (!image_check_magic (hdr)) { | |
675 | puts (" Bad Magic Number\n"); | |
676 | return 1; | |
677 | } | |
47d1a6e1 | 678 | |
d5934ad7 MB |
679 | if (!image_check_hcrc (hdr)) { |
680 | puts (" Bad Header Checksum\n"); | |
681 | return 1; | |
682 | } | |
47d1a6e1 | 683 | |
d5934ad7 | 684 | image_print_contents (hdr); |
47d1a6e1 | 685 | |
d5934ad7 MB |
686 | puts (" Verifying Checksum ... "); |
687 | if (!image_check_dcrc (hdr)) { | |
688 | puts (" Bad Data CRC\n"); | |
689 | return 1; | |
690 | } | |
691 | puts ("OK\n"); | |
692 | return 0; | |
693 | #if defined(CONFIG_FIT) | |
694 | case IMAGE_FORMAT_FIT: | |
695 | puts (" FIT image found\n"); | |
e32fea6a MB |
696 | |
697 | if (!fit_check_format (hdr)) { | |
698 | puts ("Bad FIT image format!\n"); | |
699 | return 1; | |
700 | } | |
701 | ||
702 | fit_print_contents (hdr); | |
d5934ad7 MB |
703 | return 0; |
704 | #endif | |
705 | default: | |
706 | puts ("Unknown image format!\n"); | |
707 | break; | |
47d1a6e1 | 708 | } |
d5934ad7 MB |
709 | |
710 | return 1; | |
47d1a6e1 | 711 | } |
0d498393 WD |
712 | |
713 | U_BOOT_CMD( | |
714 | iminfo, CFG_MAXARGS, 1, do_iminfo, | |
8bde7f77 WD |
715 | "iminfo - print header information for application image\n", |
716 | "addr [addr ...]\n" | |
717 | " - print header information for application image starting at\n" | |
718 | " address 'addr' in memory; this includes verification of the\n" | |
719 | " image contents (magic number, header and payload checksums)\n" | |
720 | ); | |
90253178 | 721 | #endif |
47d1a6e1 | 722 | |
1ee1180b MB |
723 | |
724 | /*******************************************************************/ | |
725 | /* imls - list all images found in flash */ | |
726 | /*******************************************************************/ | |
baa26db4 | 727 | #if defined(CONFIG_CMD_IMLS) |
27b207fd WD |
728 | int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
729 | { | |
730 | flash_info_t *info; | |
731 | int i, j; | |
d5934ad7 | 732 | void *hdr; |
27b207fd | 733 | |
1ee1180b MB |
734 | for (i = 0, info = &flash_info[0]; |
735 | i < CFG_MAX_FLASH_BANKS; ++i, ++info) { | |
736 | ||
27b207fd WD |
737 | if (info->flash_id == FLASH_UNKNOWN) |
738 | goto next_bank; | |
1ee1180b | 739 | for (j = 0; j < info->sector_count; ++j) { |
27b207fd | 740 | |
d5934ad7 MB |
741 | hdr = (void *)info->start[j]; |
742 | if (!hdr) | |
b97a2a0a | 743 | goto next_sector; |
27b207fd | 744 | |
9a4daad0 | 745 | switch (genimg_get_format (hdr)) { |
d5934ad7 | 746 | case IMAGE_FORMAT_LEGACY: |
d5934ad7 MB |
747 | if (!image_check_hcrc (hdr)) |
748 | goto next_sector; | |
749 | ||
750 | printf ("Legacy Image at %08lX:\n", (ulong)hdr); | |
751 | image_print_contents (hdr); | |
752 | ||
753 | puts (" Verifying Checksum ... "); | |
754 | if (!image_check_dcrc (hdr)) { | |
755 | puts ("Bad Data CRC\n"); | |
756 | } else { | |
757 | puts ("OK\n"); | |
758 | } | |
759 | break; | |
760 | #if defined(CONFIG_FIT) | |
761 | case IMAGE_FORMAT_FIT: | |
e32fea6a MB |
762 | if (!fit_check_format (hdr)) |
763 | goto next_sector; | |
764 | ||
d5934ad7 | 765 | printf ("FIT Image at %08lX:\n", (ulong)hdr); |
e32fea6a | 766 | fit_print_contents (hdr); |
d5934ad7 MB |
767 | break; |
768 | #endif | |
769 | default: | |
27b207fd | 770 | goto next_sector; |
5bb226e8 | 771 | } |
d5934ad7 | 772 | |
bdccc4fe | 773 | next_sector: ; |
27b207fd | 774 | } |
bdccc4fe | 775 | next_bank: ; |
27b207fd WD |
776 | } |
777 | ||
778 | return (0); | |
779 | } | |
780 | ||
781 | U_BOOT_CMD( | |
782 | imls, 1, 1, do_imls, | |
783 | "imls - list all images found in flash\n", | |
784 | "\n" | |
785 | " - Prints information about all images found at sector\n" | |
786 | " boundaries in flash.\n" | |
787 | ); | |
90253178 | 788 | #endif |
27b207fd | 789 | |
1ee1180b | 790 | /*******************************************************************/ |
5cf746c3 | 791 | /* helper routines */ |
1ee1180b | 792 | /*******************************************************************/ |
1ee1180b MB |
793 | #ifdef CONFIG_SILENT_CONSOLE |
794 | static void fixup_silent_linux () | |
795 | { | |
796 | char buf[256], *start, *end; | |
797 | char *cmdline = getenv ("bootargs"); | |
798 | ||
799 | /* Only fix cmdline when requested */ | |
800 | if (!(gd->flags & GD_FLG_SILENT)) | |
801 | return; | |
802 | ||
803 | debug ("before silent fix-up: %s\n", cmdline); | |
804 | if (cmdline) { | |
805 | if ((start = strstr (cmdline, "console=")) != NULL) { | |
806 | end = strchr (start, ' '); | |
807 | strncpy (buf, cmdline, (start - cmdline + 8)); | |
808 | if (end) | |
809 | strcpy (buf + (start - cmdline + 8), end); | |
810 | else | |
811 | buf[start - cmdline + 8] = '\0'; | |
812 | } else { | |
813 | strcpy (buf, cmdline); | |
814 | strcat (buf, " console="); | |
815 | } | |
816 | } else { | |
817 | strcpy (buf, "console="); | |
818 | } | |
819 | ||
820 | setenv ("bootargs", buf); | |
821 | debug ("after silent fix-up: %s\n", buf); | |
822 | } | |
823 | #endif /* CONFIG_SILENT_CONSOLE */ | |
824 | ||
825 | ||
826 | /*******************************************************************/ | |
827 | /* OS booting routines */ | |
828 | /*******************************************************************/ | |
829 | ||
830 | static void do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag, | |
f13e7b2e | 831 | int argc, char *argv[], |
8a5ea3e6 | 832 | bootm_headers_t *images) |
d791b1dc | 833 | { |
1ee1180b | 834 | void (*loader)(bd_t *, image_header_t *, char *, char *); |
d5934ad7 | 835 | image_header_t *os_hdr, *hdr; |
f13e7b2e | 836 | ulong kernel_data, kernel_len; |
1ee1180b MB |
837 | char *consdev; |
838 | char *cmdline; | |
839 | ||
d5934ad7 MB |
840 | #if defined(CONFIG_FIT) |
841 | if (!images->legacy_hdr_valid) { | |
842 | fit_unsupported_reset ("NetBSD"); | |
843 | do_reset (cmdtp, flag, argc, argv); | |
844 | } | |
845 | #endif | |
846 | hdr = images->legacy_hdr_os; | |
847 | ||
1ee1180b MB |
848 | /* |
849 | * Booting a (NetBSD) kernel image | |
850 | * | |
851 | * This process is pretty similar to a standalone application: | |
852 | * The (first part of an multi-) image must be a stage-2 loader, | |
853 | * which in turn is responsible for loading & invoking the actual | |
854 | * kernel. The only differences are the parameters being passed: | |
855 | * besides the board info strucure, the loader expects a command | |
856 | * line, the name of the console device, and (optionally) the | |
857 | * address of the original image header. | |
858 | */ | |
d5934ad7 | 859 | os_hdr = NULL; |
f13e7b2e MB |
860 | if (image_check_type (hdr, IH_TYPE_MULTI)) { |
861 | image_multi_getimg (hdr, 1, &kernel_data, &kernel_len); | |
862 | if (kernel_len) | |
d5934ad7 | 863 | os_hdr = hdr; |
f13e7b2e | 864 | } |
1ee1180b MB |
865 | |
866 | consdev = ""; | |
867 | #if defined (CONFIG_8xx_CONS_SMC1) | |
868 | consdev = "smc1"; | |
869 | #elif defined (CONFIG_8xx_CONS_SMC2) | |
870 | consdev = "smc2"; | |
871 | #elif defined (CONFIG_8xx_CONS_SCC2) | |
872 | consdev = "scc2"; | |
873 | #elif defined (CONFIG_8xx_CONS_SCC3) | |
874 | consdev = "scc3"; | |
875 | #endif | |
876 | ||
877 | if (argc > 2) { | |
878 | ulong len; | |
879 | int i; | |
880 | ||
881 | for (i = 2, len = 0; i < argc; i += 1) | |
882 | len += strlen (argv[i]) + 1; | |
883 | cmdline = malloc (len); | |
884 | ||
885 | for (i = 2, len = 0; i < argc; i += 1) { | |
886 | if (i > 2) | |
887 | cmdline[len++] = ' '; | |
888 | strcpy (&cmdline[len], argv[i]); | |
889 | len += strlen (argv[i]); | |
890 | } | |
891 | } else if ((cmdline = getenv ("bootargs")) == NULL) { | |
892 | cmdline = ""; | |
893 | } | |
894 | ||
895 | loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr); | |
896 | ||
897 | printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n", | |
898 | (ulong)loader); | |
899 | ||
900 | show_boot_progress (15); | |
901 | ||
902 | /* | |
903 | * NetBSD Stage-2 Loader Parameters: | |
904 | * r3: ptr to board info data | |
905 | * r4: image address | |
906 | * r5: console device | |
907 | * r6: boot args string | |
908 | */ | |
d5934ad7 | 909 | (*loader) (gd->bd, os_hdr, consdev, cmdline); |
1ee1180b MB |
910 | } |
911 | ||
912 | #ifdef CONFIG_LYNXKDI | |
913 | static void do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag, | |
914 | int argc, char *argv[], | |
8a5ea3e6 | 915 | bootm_headers_t *images) |
1ee1180b | 916 | { |
d5934ad7 MB |
917 | image_header_t *hdr = images->legacy_hdr_os; |
918 | ||
919 | #if defined(CONFIG_FIT) | |
920 | if (!images->legacy_hdr_valid) { | |
921 | fit_unsupported_reset ("Lynx"); | |
922 | do_reset (cmdtp, flag, argc, argv); | |
923 | } | |
924 | #endif | |
925 | ||
926 | lynxkdi_boot ((image_header_t *)hdr); | |
1ee1180b MB |
927 | } |
928 | #endif /* CONFIG_LYNXKDI */ | |
929 | ||
930 | static void do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, | |
931 | int argc, char *argv[], | |
8a5ea3e6 | 932 | bootm_headers_t *images) |
1ee1180b | 933 | { |
d5934ad7 | 934 | image_header_t *hdr = images->legacy_hdr_os; |
1ee1180b | 935 | void (*entry_point)(bd_t *); |
d791b1dc | 936 | |
d5934ad7 MB |
937 | #if defined(CONFIG_FIT) |
938 | if (!images->legacy_hdr_valid) { | |
939 | fit_unsupported_reset ("RTEMS"); | |
940 | do_reset (cmdtp, flag, argc, argv); | |
941 | } | |
942 | #endif | |
943 | ||
b97a2a0a | 944 | entry_point = (void (*)(bd_t *))image_get_ep (hdr); |
d791b1dc WD |
945 | |
946 | printf ("## Transferring control to RTEMS (at address %08lx) ...\n", | |
947 | (ulong)entry_point); | |
948 | ||
fad63407 | 949 | show_boot_progress (15); |
d791b1dc WD |
950 | |
951 | /* | |
952 | * RTEMS Parameters: | |
953 | * r3: ptr to board info data | |
954 | */ | |
1ee1180b | 955 | (*entry_point)(gd->bd); |
d791b1dc WD |
956 | } |
957 | ||
baa26db4 | 958 | #if defined(CONFIG_CMD_ELF) |
1ee1180b MB |
959 | static void do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, |
960 | int argc, char *argv[], | |
8a5ea3e6 | 961 | bootm_headers_t *images) |
47d1a6e1 | 962 | { |
47d1a6e1 | 963 | char str[80]; |
d5934ad7 MB |
964 | image_header_t *hdr = images->legacy_hdr_os; |
965 | ||
966 | #if defined(CONFIG_FIT) | |
967 | if (hdr == NULL) { | |
968 | fit_unsupported_reset ("VxWorks"); | |
969 | do_reset (cmdtp, flag, argc, argv); | |
970 | } | |
971 | #endif | |
47d1a6e1 | 972 | |
b97a2a0a | 973 | sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */ |
47d1a6e1 WD |
974 | setenv("loadaddr", str); |
975 | do_bootvx(cmdtp, 0, 0, NULL); | |
976 | } | |
977 | ||
f13e7b2e MB |
978 | static void do_bootm_qnxelf(cmd_tbl_t *cmdtp, int flag, |
979 | int argc, char *argv[], | |
8a5ea3e6 | 980 | bootm_headers_t *images) |
47d1a6e1 | 981 | { |
47d1a6e1 WD |
982 | char *local_args[2]; |
983 | char str[16]; | |
d5934ad7 MB |
984 | image_header_t *hdr = images->legacy_hdr_os; |
985 | ||
986 | #if defined(CONFIG_FIT) | |
987 | if (!images->legacy_hdr_valid) { | |
988 | fit_unsupported_reset ("QNX"); | |
989 | do_reset (cmdtp, flag, argc, argv); | |
990 | } | |
991 | #endif | |
47d1a6e1 | 992 | |
b97a2a0a | 993 | sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */ |
47d1a6e1 WD |
994 | local_args[0] = argv[0]; |
995 | local_args[1] = str; /* and provide it via the arguments */ | |
996 | do_bootelf(cmdtp, 0, 2, local_args); | |
997 | } | |
90253178 | 998 | #endif |
1f4bb37d | 999 | |
1ee1180b MB |
1000 | #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) |
1001 | static void do_bootm_artos (cmd_tbl_t *cmdtp, int flag, | |
1002 | int argc, char *argv[], | |
8a5ea3e6 | 1003 | bootm_headers_t *images) |
1f4bb37d | 1004 | { |
1ee1180b MB |
1005 | ulong top; |
1006 | char *s, *cmdline; | |
1007 | char **fwenv, **ss; | |
1008 | int i, j, nxt, len, envno, envsz; | |
1009 | bd_t *kbd; | |
1010 | void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top); | |
d5934ad7 MB |
1011 | image_header_t *hdr = images->legacy_hdr_os; |
1012 | ||
1013 | #if defined(CONFIG_FIT) | |
1014 | if (!images->legacy_hdr_valid) { | |
1015 | fit_unsupported_reset ("ARTOS"); | |
1016 | do_reset (cmdtp, flag, argc, argv); | |
1017 | } | |
1018 | #endif | |
1f4bb37d | 1019 | |
1ee1180b MB |
1020 | /* |
1021 | * Booting an ARTOS kernel image + application | |
1022 | */ | |
1023 | ||
1024 | /* this used to be the top of memory, but was wrong... */ | |
1025 | #ifdef CONFIG_PPC | |
1026 | /* get stack pointer */ | |
1027 | asm volatile ("mr %0,1" : "=r"(top) ); | |
1028 | #endif | |
1029 | debug ("## Current stack ends at 0x%08lX ", top); | |
1030 | ||
1031 | top -= 2048; /* just to be sure */ | |
1032 | if (top > CFG_BOOTMAPSZ) | |
1033 | top = CFG_BOOTMAPSZ; | |
1034 | top &= ~0xF; | |
1035 | ||
1036 | debug ("=> set upper limit to 0x%08lX\n", top); | |
1037 | ||
1038 | /* first check the artos specific boot args, then the linux args*/ | |
1039 | if ((s = getenv( "abootargs")) == NULL && (s = getenv ("bootargs")) == NULL) | |
1040 | s = ""; | |
1041 | ||
1042 | /* get length of cmdline, and place it */ | |
1043 | len = strlen (s); | |
1044 | top = (top - (len + 1)) & ~0xF; | |
1045 | cmdline = (char *)top; | |
1046 | debug ("## cmdline at 0x%08lX ", top); | |
1047 | strcpy (cmdline, s); | |
1048 | ||
1049 | /* copy bdinfo */ | |
1050 | top = (top - sizeof (bd_t)) & ~0xF; | |
1051 | debug ("## bd at 0x%08lX ", top); | |
1052 | kbd = (bd_t *)top; | |
1053 | memcpy (kbd, gd->bd, sizeof (bd_t)); | |
1054 | ||
1055 | /* first find number of env entries, and their size */ | |
1056 | envno = 0; | |
1057 | envsz = 0; | |
1058 | for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) { | |
1059 | for (nxt = i; env_get_char (nxt) != '\0'; ++nxt) | |
1060 | ; | |
1061 | envno++; | |
1062 | envsz += (nxt - i) + 1; /* plus trailing zero */ | |
1063 | } | |
1064 | envno++; /* plus the terminating zero */ | |
1065 | debug ("## %u envvars total size %u ", envno, envsz); | |
1066 | ||
1067 | top = (top - sizeof (char **) * envno) & ~0xF; | |
1068 | fwenv = (char **)top; | |
1069 | debug ("## fwenv at 0x%08lX ", top); | |
1070 | ||
1071 | top = (top - envsz) & ~0xF; | |
1072 | s = (char *)top; | |
1073 | ss = fwenv; | |
1074 | ||
1075 | /* now copy them */ | |
1076 | for (i = 0; env_get_char (i) != '\0'; i = nxt + 1) { | |
1077 | for (nxt = i; env_get_char (nxt) != '\0'; ++nxt) | |
1078 | ; | |
1079 | *ss++ = s; | |
1080 | for (j = i; j < nxt; ++j) | |
1081 | *s++ = env_get_char (j); | |
1082 | *s++ = '\0'; | |
1083 | } | |
1084 | *ss++ = NULL; /* terminate */ | |
1085 | ||
1086 | entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr); | |
1087 | (*entry) (kbd, cmdline, fwenv, top); | |
1088 | } | |
1089 | #endif |