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1 | /* | |
2 | * (C) Copyright 2008 Semihalf | |
3 | * | |
4 | * (C) Copyright 2000-2006 | |
5 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
6 | * | |
7 | * See file CREDITS for list of people who contributed to this | |
8 | * project. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of | |
13 | * the License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
23 | * MA 02111-1307 USA | |
24 | */ | |
25 | ||
26 | #ifndef USE_HOSTCC | |
27 | #include <common.h> | |
28 | #include <watchdog.h> | |
29 | ||
30 | #ifdef CONFIG_SHOW_BOOT_PROGRESS | |
31 | #include <status_led.h> | |
32 | #endif | |
33 | ||
34 | #ifdef CONFIG_HAS_DATAFLASH | |
35 | #include <dataflash.h> | |
36 | #endif | |
37 | ||
38 | #ifdef CONFIG_LOGBUFFER | |
39 | #include <logbuff.h> | |
40 | #endif | |
41 | ||
42 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) | |
43 | #include <rtc.h> | |
44 | #endif | |
45 | ||
46 | #include <image.h> | |
47 | ||
48 | #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) | |
49 | #include <fdt.h> | |
50 | #include <libfdt.h> | |
51 | #include <fdt_support.h> | |
52 | #endif | |
53 | ||
54 | #if defined(CONFIG_FIT) | |
55 | #include <u-boot/md5.h> | |
56 | #include <sha1.h> | |
57 | ||
58 | static int fit_check_ramdisk (const void *fit, int os_noffset, | |
59 | uint8_t arch, int verify); | |
60 | #endif | |
61 | ||
62 | #ifdef CONFIG_CMD_BDI | |
63 | extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); | |
64 | #endif | |
65 | ||
66 | DECLARE_GLOBAL_DATA_PTR; | |
67 | ||
68 | static const image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, | |
69 | int verify); | |
70 | #else | |
71 | #include "mkimage.h" | |
72 | #include <u-boot/md5.h> | |
73 | #include <time.h> | |
74 | #include <image.h> | |
75 | #endif /* !USE_HOSTCC*/ | |
76 | ||
77 | typedef struct table_entry { | |
78 | int id; /* as defined in image.h */ | |
79 | char *sname; /* short (input) name */ | |
80 | char *lname; /* long (output) name */ | |
81 | } table_entry_t; | |
82 | ||
83 | static table_entry_t uimage_arch[] = { | |
84 | { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, | |
85 | { IH_ARCH_ALPHA, "alpha", "Alpha", }, | |
86 | { IH_ARCH_ARM, "arm", "ARM", }, | |
87 | { IH_ARCH_I386, "x86", "Intel x86", }, | |
88 | { IH_ARCH_IA64, "ia64", "IA64", }, | |
89 | { IH_ARCH_M68K, "m68k", "M68K", }, | |
90 | { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, | |
91 | { IH_ARCH_MIPS, "mips", "MIPS", }, | |
92 | { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, | |
93 | { IH_ARCH_NIOS, "nios", "NIOS", }, | |
94 | { IH_ARCH_NIOS2, "nios2", "NIOS II", }, | |
95 | { IH_ARCH_PPC, "powerpc", "PowerPC", }, | |
96 | { IH_ARCH_PPC, "ppc", "PowerPC", }, | |
97 | { IH_ARCH_S390, "s390", "IBM S390", }, | |
98 | { IH_ARCH_SH, "sh", "SuperH", }, | |
99 | { IH_ARCH_SPARC, "sparc", "SPARC", }, | |
100 | { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, | |
101 | { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, | |
102 | { IH_ARCH_AVR32, "avr32", "AVR32", }, | |
103 | { -1, "", "", }, | |
104 | }; | |
105 | ||
106 | static table_entry_t uimage_os[] = { | |
107 | { IH_OS_INVALID, NULL, "Invalid OS", }, | |
108 | { IH_OS_LINUX, "linux", "Linux", }, | |
109 | #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) | |
110 | { IH_OS_LYNXOS, "lynxos", "LynxOS", }, | |
111 | #endif | |
112 | { IH_OS_NETBSD, "netbsd", "NetBSD", }, | |
113 | { IH_OS_RTEMS, "rtems", "RTEMS", }, | |
114 | { IH_OS_U_BOOT, "u-boot", "U-Boot", }, | |
115 | #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) | |
116 | { IH_OS_QNX, "qnx", "QNX", }, | |
117 | { IH_OS_VXWORKS, "vxworks", "VxWorks", }, | |
118 | #endif | |
119 | #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) | |
120 | { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, | |
121 | #endif | |
122 | #ifdef USE_HOSTCC | |
123 | { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, | |
124 | { IH_OS_DELL, "dell", "Dell", }, | |
125 | { IH_OS_ESIX, "esix", "Esix", }, | |
126 | { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, | |
127 | { IH_OS_IRIX, "irix", "Irix", }, | |
128 | { IH_OS_NCR, "ncr", "NCR", }, | |
129 | { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, | |
130 | { IH_OS_PSOS, "psos", "pSOS", }, | |
131 | { IH_OS_SCO, "sco", "SCO", }, | |
132 | { IH_OS_SOLARIS, "solaris", "Solaris", }, | |
133 | { IH_OS_SVR4, "svr4", "SVR4", }, | |
134 | #endif | |
135 | { -1, "", "", }, | |
136 | }; | |
137 | ||
138 | static table_entry_t uimage_type[] = { | |
139 | { IH_TYPE_INVALID, NULL, "Invalid Image", }, | |
140 | { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, | |
141 | { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, | |
142 | { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, | |
143 | { IH_TYPE_MULTI, "multi", "Multi-File Image", }, | |
144 | { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, | |
145 | { IH_TYPE_SCRIPT, "script", "Script", }, | |
146 | { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, | |
147 | { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, | |
148 | { -1, "", "", }, | |
149 | }; | |
150 | ||
151 | static table_entry_t uimage_comp[] = { | |
152 | { IH_COMP_NONE, "none", "uncompressed", }, | |
153 | { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, | |
154 | { IH_COMP_GZIP, "gzip", "gzip compressed", }, | |
155 | { IH_COMP_LZMA, "lzma", "lzma compressed", }, | |
156 | { -1, "", "", }, | |
157 | }; | |
158 | ||
159 | uint32_t crc32 (uint32_t, const unsigned char *, uint); | |
160 | uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); | |
161 | static void genimg_print_size (uint32_t size); | |
162 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) | |
163 | static void genimg_print_time (time_t timestamp); | |
164 | #endif | |
165 | ||
166 | /*****************************************************************************/ | |
167 | /* Legacy format routines */ | |
168 | /*****************************************************************************/ | |
169 | int image_check_hcrc (const image_header_t *hdr) | |
170 | { | |
171 | ulong hcrc; | |
172 | ulong len = image_get_header_size (); | |
173 | image_header_t header; | |
174 | ||
175 | /* Copy header so we can blank CRC field for re-calculation */ | |
176 | memmove (&header, (char *)hdr, image_get_header_size ()); | |
177 | image_set_hcrc (&header, 0); | |
178 | ||
179 | hcrc = crc32 (0, (unsigned char *)&header, len); | |
180 | ||
181 | return (hcrc == image_get_hcrc (hdr)); | |
182 | } | |
183 | ||
184 | int image_check_dcrc (const image_header_t *hdr) | |
185 | { | |
186 | ulong data = image_get_data (hdr); | |
187 | ulong len = image_get_data_size (hdr); | |
188 | ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); | |
189 | ||
190 | return (dcrc == image_get_dcrc (hdr)); | |
191 | } | |
192 | ||
193 | /** | |
194 | * image_multi_count - get component (sub-image) count | |
195 | * @hdr: pointer to the header of the multi component image | |
196 | * | |
197 | * image_multi_count() returns number of components in a multi | |
198 | * component image. | |
199 | * | |
200 | * Note: no checking of the image type is done, caller must pass | |
201 | * a valid multi component image. | |
202 | * | |
203 | * returns: | |
204 | * number of components | |
205 | */ | |
206 | ulong image_multi_count (const image_header_t *hdr) | |
207 | { | |
208 | ulong i, count = 0; | |
209 | uint32_t *size; | |
210 | ||
211 | /* get start of the image payload, which in case of multi | |
212 | * component images that points to a table of component sizes */ | |
213 | size = (uint32_t *)image_get_data (hdr); | |
214 | ||
215 | /* count non empty slots */ | |
216 | for (i = 0; size[i]; ++i) | |
217 | count++; | |
218 | ||
219 | return count; | |
220 | } | |
221 | ||
222 | /** | |
223 | * image_multi_getimg - get component data address and size | |
224 | * @hdr: pointer to the header of the multi component image | |
225 | * @idx: index of the requested component | |
226 | * @data: pointer to a ulong variable, will hold component data address | |
227 | * @len: pointer to a ulong variable, will hold component size | |
228 | * | |
229 | * image_multi_getimg() returns size and data address for the requested | |
230 | * component in a multi component image. | |
231 | * | |
232 | * Note: no checking of the image type is done, caller must pass | |
233 | * a valid multi component image. | |
234 | * | |
235 | * returns: | |
236 | * data address and size of the component, if idx is valid | |
237 | * 0 in data and len, if idx is out of range | |
238 | */ | |
239 | void image_multi_getimg (const image_header_t *hdr, ulong idx, | |
240 | ulong *data, ulong *len) | |
241 | { | |
242 | int i; | |
243 | uint32_t *size; | |
244 | ulong offset, count, img_data; | |
245 | ||
246 | /* get number of component */ | |
247 | count = image_multi_count (hdr); | |
248 | ||
249 | /* get start of the image payload, which in case of multi | |
250 | * component images that points to a table of component sizes */ | |
251 | size = (uint32_t *)image_get_data (hdr); | |
252 | ||
253 | /* get address of the proper component data start, which means | |
254 | * skipping sizes table (add 1 for last, null entry) */ | |
255 | img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); | |
256 | ||
257 | if (idx < count) { | |
258 | *len = uimage_to_cpu (size[idx]); | |
259 | offset = 0; | |
260 | ||
261 | /* go over all indices preceding requested component idx */ | |
262 | for (i = 0; i < idx; i++) { | |
263 | /* add up i-th component size, rounding up to 4 bytes */ | |
264 | offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; | |
265 | } | |
266 | ||
267 | /* calculate idx-th component data address */ | |
268 | *data = img_data + offset; | |
269 | } else { | |
270 | *len = 0; | |
271 | *data = 0; | |
272 | } | |
273 | } | |
274 | ||
275 | static void image_print_type (const image_header_t *hdr) | |
276 | { | |
277 | const char *os, *arch, *type, *comp; | |
278 | ||
279 | os = genimg_get_os_name (image_get_os (hdr)); | |
280 | arch = genimg_get_arch_name (image_get_arch (hdr)); | |
281 | type = genimg_get_type_name (image_get_type (hdr)); | |
282 | comp = genimg_get_comp_name (image_get_comp (hdr)); | |
283 | ||
284 | printf ("%s %s %s (%s)\n", arch, os, type, comp); | |
285 | } | |
286 | ||
287 | /** | |
288 | * image_print_contents - prints out the contents of the legacy format image | |
289 | * @ptr: pointer to the legacy format image header | |
290 | * @p: pointer to prefix string | |
291 | * | |
292 | * image_print_contents() formats a multi line legacy image contents description. | |
293 | * The routine prints out all header fields followed by the size/offset data | |
294 | * for MULTI/SCRIPT images. | |
295 | * | |
296 | * returns: | |
297 | * no returned results | |
298 | */ | |
299 | void image_print_contents (const void *ptr) | |
300 | { | |
301 | const image_header_t *hdr = (const image_header_t *)ptr; | |
302 | const char *p; | |
303 | ||
304 | #ifdef USE_HOSTCC | |
305 | p = ""; | |
306 | #else | |
307 | p = " "; | |
308 | #endif | |
309 | ||
310 | printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); | |
311 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) | |
312 | printf ("%sCreated: ", p); | |
313 | genimg_print_time ((time_t)image_get_time (hdr)); | |
314 | #endif | |
315 | printf ("%sImage Type: ", p); | |
316 | image_print_type (hdr); | |
317 | printf ("%sData Size: ", p); | |
318 | genimg_print_size (image_get_data_size (hdr)); | |
319 | printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); | |
320 | printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); | |
321 | ||
322 | if (image_check_type (hdr, IH_TYPE_MULTI) || | |
323 | image_check_type (hdr, IH_TYPE_SCRIPT)) { | |
324 | int i; | |
325 | ulong data, len; | |
326 | ulong count = image_multi_count (hdr); | |
327 | ||
328 | printf ("%sContents:\n", p); | |
329 | for (i = 0; i < count; i++) { | |
330 | image_multi_getimg (hdr, i, &data, &len); | |
331 | ||
332 | printf ("%s Image %d: ", p, i); | |
333 | genimg_print_size (len); | |
334 | ||
335 | if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { | |
336 | /* | |
337 | * the user may need to know offsets | |
338 | * if planning to do something with | |
339 | * multiple files | |
340 | */ | |
341 | printf ("%s Offset = 0x%08lx\n", p, data); | |
342 | } | |
343 | } | |
344 | } | |
345 | } | |
346 | ||
347 | ||
348 | #ifndef USE_HOSTCC | |
349 | /** | |
350 | * image_get_ramdisk - get and verify ramdisk image | |
351 | * @rd_addr: ramdisk image start address | |
352 | * @arch: expected ramdisk architecture | |
353 | * @verify: checksum verification flag | |
354 | * | |
355 | * image_get_ramdisk() returns a pointer to the verified ramdisk image | |
356 | * header. Routine receives image start address and expected architecture | |
357 | * flag. Verification done covers data and header integrity and os/type/arch | |
358 | * fields checking. | |
359 | * | |
360 | * If dataflash support is enabled routine checks for dataflash addresses | |
361 | * and handles required dataflash reads. | |
362 | * | |
363 | * returns: | |
364 | * pointer to a ramdisk image header, if image was found and valid | |
365 | * otherwise, return NULL | |
366 | */ | |
367 | static const image_header_t *image_get_ramdisk (ulong rd_addr, uint8_t arch, | |
368 | int verify) | |
369 | { | |
370 | const image_header_t *rd_hdr = (const image_header_t *)rd_addr; | |
371 | ||
372 | if (!image_check_magic (rd_hdr)) { | |
373 | puts ("Bad Magic Number\n"); | |
374 | show_boot_progress (-10); | |
375 | return NULL; | |
376 | } | |
377 | ||
378 | if (!image_check_hcrc (rd_hdr)) { | |
379 | puts ("Bad Header Checksum\n"); | |
380 | show_boot_progress (-11); | |
381 | return NULL; | |
382 | } | |
383 | ||
384 | show_boot_progress (10); | |
385 | image_print_contents (rd_hdr); | |
386 | ||
387 | if (verify) { | |
388 | puts(" Verifying Checksum ... "); | |
389 | if (!image_check_dcrc (rd_hdr)) { | |
390 | puts ("Bad Data CRC\n"); | |
391 | show_boot_progress (-12); | |
392 | return NULL; | |
393 | } | |
394 | puts("OK\n"); | |
395 | } | |
396 | ||
397 | show_boot_progress (11); | |
398 | ||
399 | if (!image_check_os (rd_hdr, IH_OS_LINUX) || | |
400 | !image_check_arch (rd_hdr, arch) || | |
401 | !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { | |
402 | printf ("No Linux %s Ramdisk Image\n", | |
403 | genimg_get_arch_name(arch)); | |
404 | show_boot_progress (-13); | |
405 | return NULL; | |
406 | } | |
407 | ||
408 | return rd_hdr; | |
409 | } | |
410 | #endif /* !USE_HOSTCC */ | |
411 | ||
412 | /*****************************************************************************/ | |
413 | /* Shared dual-format routines */ | |
414 | /*****************************************************************************/ | |
415 | #ifndef USE_HOSTCC | |
416 | int getenv_yesno (char *var) | |
417 | { | |
418 | char *s = getenv (var); | |
419 | return (s && (*s == 'n')) ? 0 : 1; | |
420 | } | |
421 | ||
422 | ulong getenv_bootm_low(void) | |
423 | { | |
424 | char *s = getenv ("bootm_low"); | |
425 | if (s) { | |
426 | ulong tmp = simple_strtoul (s, NULL, 16); | |
427 | return tmp; | |
428 | } | |
429 | ||
430 | #if defined(CONFIG_SYS_SDRAM_BASE) | |
431 | return CONFIG_SYS_SDRAM_BASE; | |
432 | #elif defined(CONFIG_ARM) | |
433 | return gd->bd->bi_dram[0].start; | |
434 | #else | |
435 | return 0; | |
436 | #endif | |
437 | } | |
438 | ||
439 | phys_size_t getenv_bootm_size(void) | |
440 | { | |
441 | char *s = getenv ("bootm_size"); | |
442 | if (s) { | |
443 | phys_size_t tmp; | |
444 | #ifdef CONFIG_SYS_64BIT_STRTOUL | |
445 | tmp = (phys_size_t)simple_strtoull (s, NULL, 16); | |
446 | #else | |
447 | tmp = (phys_size_t)simple_strtoul (s, NULL, 16); | |
448 | #endif | |
449 | return tmp; | |
450 | } | |
451 | ||
452 | #if defined(CONFIG_ARM) | |
453 | return gd->bd->bi_dram[0].size; | |
454 | #else | |
455 | return gd->bd->bi_memsize; | |
456 | #endif | |
457 | } | |
458 | ||
459 | void memmove_wd (void *to, void *from, size_t len, ulong chunksz) | |
460 | { | |
461 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) | |
462 | while (len > 0) { | |
463 | size_t tail = (len > chunksz) ? chunksz : len; | |
464 | WATCHDOG_RESET (); | |
465 | memmove (to, from, tail); | |
466 | to += tail; | |
467 | from += tail; | |
468 | len -= tail; | |
469 | } | |
470 | #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ | |
471 | memmove (to, from, len); | |
472 | #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ | |
473 | } | |
474 | #endif /* !USE_HOSTCC */ | |
475 | ||
476 | static void genimg_print_size (uint32_t size) | |
477 | { | |
478 | #ifndef USE_HOSTCC | |
479 | printf ("%d Bytes = ", size); | |
480 | print_size (size, "\n"); | |
481 | #else | |
482 | printf ("%d Bytes = %.2f kB = %.2f MB\n", | |
483 | size, (double)size / 1.024e3, | |
484 | (double)size / 1.048576e6); | |
485 | #endif | |
486 | } | |
487 | ||
488 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) | |
489 | static void genimg_print_time (time_t timestamp) | |
490 | { | |
491 | #ifndef USE_HOSTCC | |
492 | struct rtc_time tm; | |
493 | ||
494 | to_tm (timestamp, &tm); | |
495 | printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", | |
496 | tm.tm_year, tm.tm_mon, tm.tm_mday, | |
497 | tm.tm_hour, tm.tm_min, tm.tm_sec); | |
498 | #else | |
499 | printf ("%s", ctime(×tamp)); | |
500 | #endif | |
501 | } | |
502 | #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ | |
503 | ||
504 | /** | |
505 | * get_table_entry_name - translate entry id to long name | |
506 | * @table: pointer to a translation table for entries of a specific type | |
507 | * @msg: message to be returned when translation fails | |
508 | * @id: entry id to be translated | |
509 | * | |
510 | * get_table_entry_name() will go over translation table trying to find | |
511 | * entry that matches given id. If matching entry is found, its long | |
512 | * name is returned to the caller. | |
513 | * | |
514 | * returns: | |
515 | * long entry name if translation succeeds | |
516 | * msg otherwise | |
517 | */ | |
518 | static char *get_table_entry_name (table_entry_t *table, char *msg, int id) | |
519 | { | |
520 | for (; table->id >= 0; ++table) { | |
521 | if (table->id == id) | |
522 | #ifdef USE_HOSTCC | |
523 | return table->lname; | |
524 | #else | |
525 | return table->lname + gd->reloc_off; | |
526 | #endif | |
527 | } | |
528 | return (msg); | |
529 | } | |
530 | ||
531 | const char *genimg_get_os_name (uint8_t os) | |
532 | { | |
533 | return (get_table_entry_name (uimage_os, "Unknown OS", os)); | |
534 | } | |
535 | ||
536 | const char *genimg_get_arch_name (uint8_t arch) | |
537 | { | |
538 | return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); | |
539 | } | |
540 | ||
541 | const char *genimg_get_type_name (uint8_t type) | |
542 | { | |
543 | return (get_table_entry_name (uimage_type, "Unknown Image", type)); | |
544 | } | |
545 | ||
546 | const char *genimg_get_comp_name (uint8_t comp) | |
547 | { | |
548 | return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); | |
549 | } | |
550 | ||
551 | /** | |
552 | * get_table_entry_id - translate short entry name to id | |
553 | * @table: pointer to a translation table for entries of a specific type | |
554 | * @table_name: to be used in case of error | |
555 | * @name: entry short name to be translated | |
556 | * | |
557 | * get_table_entry_id() will go over translation table trying to find | |
558 | * entry that matches given short name. If matching entry is found, | |
559 | * its id returned to the caller. | |
560 | * | |
561 | * returns: | |
562 | * entry id if translation succeeds | |
563 | * -1 otherwise | |
564 | */ | |
565 | static int get_table_entry_id (table_entry_t *table, | |
566 | const char *table_name, const char *name) | |
567 | { | |
568 | table_entry_t *t; | |
569 | #ifdef USE_HOSTCC | |
570 | int first = 1; | |
571 | ||
572 | for (t = table; t->id >= 0; ++t) { | |
573 | if (t->sname && strcasecmp(t->sname, name) == 0) | |
574 | return (t->id); | |
575 | } | |
576 | ||
577 | fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); | |
578 | for (t = table; t->id >= 0; ++t) { | |
579 | if (t->sname == NULL) | |
580 | continue; | |
581 | fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); | |
582 | first = 0; | |
583 | } | |
584 | fprintf (stderr, "\n"); | |
585 | #else | |
586 | for (t = table; t->id >= 0; ++t) { | |
587 | if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) | |
588 | return (t->id); | |
589 | } | |
590 | debug ("Invalid %s Type: %s\n", table_name, name); | |
591 | #endif /* USE_HOSTCC */ | |
592 | return (-1); | |
593 | } | |
594 | ||
595 | int genimg_get_os_id (const char *name) | |
596 | { | |
597 | return (get_table_entry_id (uimage_os, "OS", name)); | |
598 | } | |
599 | ||
600 | int genimg_get_arch_id (const char *name) | |
601 | { | |
602 | return (get_table_entry_id (uimage_arch, "CPU", name)); | |
603 | } | |
604 | ||
605 | int genimg_get_type_id (const char *name) | |
606 | { | |
607 | return (get_table_entry_id (uimage_type, "Image", name)); | |
608 | } | |
609 | ||
610 | int genimg_get_comp_id (const char *name) | |
611 | { | |
612 | return (get_table_entry_id (uimage_comp, "Compression", name)); | |
613 | } | |
614 | ||
615 | #ifndef USE_HOSTCC | |
616 | /** | |
617 | * genimg_get_format - get image format type | |
618 | * @img_addr: image start address | |
619 | * | |
620 | * genimg_get_format() checks whether provided address points to a valid | |
621 | * legacy or FIT image. | |
622 | * | |
623 | * New uImage format and FDT blob are based on a libfdt. FDT blob | |
624 | * may be passed directly or embedded in a FIT image. In both situations | |
625 | * genimg_get_format() must be able to dectect libfdt header. | |
626 | * | |
627 | * returns: | |
628 | * image format type or IMAGE_FORMAT_INVALID if no image is present | |
629 | */ | |
630 | int genimg_get_format (void *img_addr) | |
631 | { | |
632 | ulong format = IMAGE_FORMAT_INVALID; | |
633 | const image_header_t *hdr; | |
634 | #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) | |
635 | char *fit_hdr; | |
636 | #endif | |
637 | ||
638 | hdr = (const image_header_t *)img_addr; | |
639 | if (image_check_magic(hdr)) | |
640 | format = IMAGE_FORMAT_LEGACY; | |
641 | #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) | |
642 | else { | |
643 | fit_hdr = (char *)img_addr; | |
644 | if (fdt_check_header (fit_hdr) == 0) | |
645 | format = IMAGE_FORMAT_FIT; | |
646 | } | |
647 | #endif | |
648 | ||
649 | return format; | |
650 | } | |
651 | ||
652 | /** | |
653 | * genimg_get_image - get image from special storage (if necessary) | |
654 | * @img_addr: image start address | |
655 | * | |
656 | * genimg_get_image() checks if provided image start adddress is located | |
657 | * in a dataflash storage. If so, image is moved to a system RAM memory. | |
658 | * | |
659 | * returns: | |
660 | * image start address after possible relocation from special storage | |
661 | */ | |
662 | ulong genimg_get_image (ulong img_addr) | |
663 | { | |
664 | ulong ram_addr = img_addr; | |
665 | ||
666 | #ifdef CONFIG_HAS_DATAFLASH | |
667 | ulong h_size, d_size; | |
668 | ||
669 | if (addr_dataflash (img_addr)){ | |
670 | /* ger RAM address */ | |
671 | ram_addr = CONFIG_SYS_LOAD_ADDR; | |
672 | ||
673 | /* get header size */ | |
674 | h_size = image_get_header_size (); | |
675 | #if defined(CONFIG_FIT) | |
676 | if (sizeof(struct fdt_header) > h_size) | |
677 | h_size = sizeof(struct fdt_header); | |
678 | #endif | |
679 | ||
680 | /* read in header */ | |
681 | debug (" Reading image header from dataflash address " | |
682 | "%08lx to RAM address %08lx\n", img_addr, ram_addr); | |
683 | ||
684 | read_dataflash (img_addr, h_size, (char *)ram_addr); | |
685 | ||
686 | /* get data size */ | |
687 | switch (genimg_get_format ((void *)ram_addr)) { | |
688 | case IMAGE_FORMAT_LEGACY: | |
689 | d_size = image_get_data_size ((const image_header_t *)ram_addr); | |
690 | debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", | |
691 | ram_addr, d_size); | |
692 | break; | |
693 | #if defined(CONFIG_FIT) | |
694 | case IMAGE_FORMAT_FIT: | |
695 | d_size = fit_get_size ((const void *)ram_addr) - h_size; | |
696 | debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", | |
697 | ram_addr, d_size); | |
698 | break; | |
699 | #endif | |
700 | default: | |
701 | printf (" No valid image found at 0x%08lx\n", img_addr); | |
702 | return ram_addr; | |
703 | } | |
704 | ||
705 | /* read in image data */ | |
706 | debug (" Reading image remaining data from dataflash address " | |
707 | "%08lx to RAM address %08lx\n", img_addr + h_size, | |
708 | ram_addr + h_size); | |
709 | ||
710 | read_dataflash (img_addr + h_size, d_size, | |
711 | (char *)(ram_addr + h_size)); | |
712 | ||
713 | } | |
714 | #endif /* CONFIG_HAS_DATAFLASH */ | |
715 | ||
716 | return ram_addr; | |
717 | } | |
718 | ||
719 | /** | |
720 | * fit_has_config - check if there is a valid FIT configuration | |
721 | * @images: pointer to the bootm command headers structure | |
722 | * | |
723 | * fit_has_config() checks if there is a FIT configuration in use | |
724 | * (if FTI support is present). | |
725 | * | |
726 | * returns: | |
727 | * 0, no FIT support or no configuration found | |
728 | * 1, configuration found | |
729 | */ | |
730 | int genimg_has_config (bootm_headers_t *images) | |
731 | { | |
732 | #if defined(CONFIG_FIT) | |
733 | if (images->fit_uname_cfg) | |
734 | return 1; | |
735 | #endif | |
736 | return 0; | |
737 | } | |
738 | ||
739 | /** | |
740 | * boot_get_ramdisk - main ramdisk handling routine | |
741 | * @argc: command argument count | |
742 | * @argv: command argument list | |
743 | * @images: pointer to the bootm images structure | |
744 | * @arch: expected ramdisk architecture | |
745 | * @rd_start: pointer to a ulong variable, will hold ramdisk start address | |
746 | * @rd_end: pointer to a ulong variable, will hold ramdisk end | |
747 | * | |
748 | * boot_get_ramdisk() is responsible for finding a valid ramdisk image. | |
749 | * Curently supported are the following ramdisk sources: | |
750 | * - multicomponent kernel/ramdisk image, | |
751 | * - commandline provided address of decicated ramdisk image. | |
752 | * | |
753 | * returns: | |
754 | * 0, if ramdisk image was found and valid, or skiped | |
755 | * rd_start and rd_end are set to ramdisk start/end addresses if | |
756 | * ramdisk image is found and valid | |
757 | * | |
758 | * 1, if ramdisk image is found but corrupted, or invalid | |
759 | * rd_start and rd_end are set to 0 if no ramdisk exists | |
760 | */ | |
761 | int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, | |
762 | uint8_t arch, ulong *rd_start, ulong *rd_end) | |
763 | { | |
764 | ulong rd_addr, rd_load; | |
765 | ulong rd_data, rd_len; | |
766 | const image_header_t *rd_hdr; | |
767 | #if defined(CONFIG_FIT) | |
768 | void *fit_hdr; | |
769 | const char *fit_uname_config = NULL; | |
770 | const char *fit_uname_ramdisk = NULL; | |
771 | ulong default_addr; | |
772 | int rd_noffset; | |
773 | int cfg_noffset; | |
774 | const void *data; | |
775 | size_t size; | |
776 | #endif | |
777 | ||
778 | *rd_start = 0; | |
779 | *rd_end = 0; | |
780 | ||
781 | /* | |
782 | * Look for a '-' which indicates to ignore the | |
783 | * ramdisk argument | |
784 | */ | |
785 | if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { | |
786 | debug ("## Skipping init Ramdisk\n"); | |
787 | rd_len = rd_data = 0; | |
788 | } else if (argc >= 3 || genimg_has_config (images)) { | |
789 | #if defined(CONFIG_FIT) | |
790 | if (argc >= 3) { | |
791 | /* | |
792 | * If the init ramdisk comes from the FIT image and | |
793 | * the FIT image address is omitted in the command | |
794 | * line argument, try to use os FIT image address or | |
795 | * default load address. | |
796 | */ | |
797 | if (images->fit_uname_os) | |
798 | default_addr = (ulong)images->fit_hdr_os; | |
799 | else | |
800 | default_addr = load_addr; | |
801 | ||
802 | if (fit_parse_conf (argv[2], default_addr, | |
803 | &rd_addr, &fit_uname_config)) { | |
804 | debug ("* ramdisk: config '%s' from image at 0x%08lx\n", | |
805 | fit_uname_config, rd_addr); | |
806 | } else if (fit_parse_subimage (argv[2], default_addr, | |
807 | &rd_addr, &fit_uname_ramdisk)) { | |
808 | debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", | |
809 | fit_uname_ramdisk, rd_addr); | |
810 | } else | |
811 | #endif | |
812 | { | |
813 | rd_addr = simple_strtoul(argv[2], NULL, 16); | |
814 | debug ("* ramdisk: cmdline image address = 0x%08lx\n", | |
815 | rd_addr); | |
816 | } | |
817 | #if defined(CONFIG_FIT) | |
818 | } else { | |
819 | /* use FIT configuration provided in first bootm | |
820 | * command argument | |
821 | */ | |
822 | rd_addr = (ulong)images->fit_hdr_os; | |
823 | fit_uname_config = images->fit_uname_cfg; | |
824 | debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", | |
825 | fit_uname_config, rd_addr); | |
826 | ||
827 | /* | |
828 | * Check whether configuration has ramdisk defined, | |
829 | * if not, don't try to use it, quit silently. | |
830 | */ | |
831 | fit_hdr = (void *)rd_addr; | |
832 | cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); | |
833 | if (cfg_noffset < 0) { | |
834 | debug ("* ramdisk: no such config\n"); | |
835 | return 1; | |
836 | } | |
837 | ||
838 | rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); | |
839 | if (rd_noffset < 0) { | |
840 | debug ("* ramdisk: no ramdisk in config\n"); | |
841 | return 0; | |
842 | } | |
843 | } | |
844 | #endif | |
845 | ||
846 | /* copy from dataflash if needed */ | |
847 | rd_addr = genimg_get_image (rd_addr); | |
848 | ||
849 | /* | |
850 | * Check if there is an initrd image at the | |
851 | * address provided in the second bootm argument | |
852 | * check image type, for FIT images get FIT node. | |
853 | */ | |
854 | switch (genimg_get_format ((void *)rd_addr)) { | |
855 | case IMAGE_FORMAT_LEGACY: | |
856 | printf ("## Loading init Ramdisk from Legacy " | |
857 | "Image at %08lx ...\n", rd_addr); | |
858 | ||
859 | show_boot_progress (9); | |
860 | rd_hdr = image_get_ramdisk (rd_addr, arch, | |
861 | images->verify); | |
862 | ||
863 | if (rd_hdr == NULL) | |
864 | return 1; | |
865 | ||
866 | rd_data = image_get_data (rd_hdr); | |
867 | rd_len = image_get_data_size (rd_hdr); | |
868 | rd_load = image_get_load (rd_hdr); | |
869 | break; | |
870 | #if defined(CONFIG_FIT) | |
871 | case IMAGE_FORMAT_FIT: | |
872 | fit_hdr = (void *)rd_addr; | |
873 | printf ("## Loading init Ramdisk from FIT " | |
874 | "Image at %08lx ...\n", rd_addr); | |
875 | ||
876 | show_boot_progress (120); | |
877 | if (!fit_check_format (fit_hdr)) { | |
878 | puts ("Bad FIT ramdisk image format!\n"); | |
879 | show_boot_progress (-120); | |
880 | return 1; | |
881 | } | |
882 | show_boot_progress (121); | |
883 | ||
884 | if (!fit_uname_ramdisk) { | |
885 | /* | |
886 | * no ramdisk image node unit name, try to get config | |
887 | * node first. If config unit node name is NULL | |
888 | * fit_conf_get_node() will try to find default config node | |
889 | */ | |
890 | show_boot_progress (122); | |
891 | cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); | |
892 | if (cfg_noffset < 0) { | |
893 | puts ("Could not find configuration node\n"); | |
894 | show_boot_progress (-122); | |
895 | return 1; | |
896 | } | |
897 | fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); | |
898 | printf (" Using '%s' configuration\n", fit_uname_config); | |
899 | ||
900 | rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); | |
901 | fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); | |
902 | } else { | |
903 | /* get ramdisk component image node offset */ | |
904 | show_boot_progress (123); | |
905 | rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); | |
906 | } | |
907 | if (rd_noffset < 0) { | |
908 | puts ("Could not find subimage node\n"); | |
909 | show_boot_progress (-124); | |
910 | return 1; | |
911 | } | |
912 | ||
913 | printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); | |
914 | ||
915 | show_boot_progress (125); | |
916 | if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) | |
917 | return 1; | |
918 | ||
919 | /* get ramdisk image data address and length */ | |
920 | if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { | |
921 | puts ("Could not find ramdisk subimage data!\n"); | |
922 | show_boot_progress (-127); | |
923 | return 1; | |
924 | } | |
925 | show_boot_progress (128); | |
926 | ||
927 | rd_data = (ulong)data; | |
928 | rd_len = size; | |
929 | ||
930 | if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { | |
931 | puts ("Can't get ramdisk subimage load address!\n"); | |
932 | show_boot_progress (-129); | |
933 | return 1; | |
934 | } | |
935 | show_boot_progress (129); | |
936 | ||
937 | images->fit_hdr_rd = fit_hdr; | |
938 | images->fit_uname_rd = fit_uname_ramdisk; | |
939 | images->fit_noffset_rd = rd_noffset; | |
940 | break; | |
941 | #endif | |
942 | default: | |
943 | puts ("Wrong Ramdisk Image Format\n"); | |
944 | rd_data = rd_len = rd_load = 0; | |
945 | return 1; | |
946 | } | |
947 | ||
948 | #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) | |
949 | /* | |
950 | * We need to copy the ramdisk to SRAM to let Linux boot | |
951 | */ | |
952 | if (rd_data) { | |
953 | memmove ((void *)rd_load, (uchar *)rd_data, rd_len); | |
954 | rd_data = rd_load; | |
955 | } | |
956 | #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ | |
957 | ||
958 | } else if (images->legacy_hdr_valid && | |
959 | image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { | |
960 | /* | |
961 | * Now check if we have a legacy mult-component image, | |
962 | * get second entry data start address and len. | |
963 | */ | |
964 | show_boot_progress (13); | |
965 | printf ("## Loading init Ramdisk from multi component " | |
966 | "Legacy Image at %08lx ...\n", | |
967 | (ulong)images->legacy_hdr_os); | |
968 | ||
969 | image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); | |
970 | } else { | |
971 | /* | |
972 | * no initrd image | |
973 | */ | |
974 | show_boot_progress (14); | |
975 | rd_len = rd_data = 0; | |
976 | } | |
977 | ||
978 | if (!rd_data) { | |
979 | debug ("## No init Ramdisk\n"); | |
980 | } else { | |
981 | *rd_start = rd_data; | |
982 | *rd_end = rd_data + rd_len; | |
983 | } | |
984 | debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", | |
985 | *rd_start, *rd_end); | |
986 | ||
987 | return 0; | |
988 | } | |
989 | ||
990 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) | |
991 | /** | |
992 | * boot_ramdisk_high - relocate init ramdisk | |
993 | * @lmb: pointer to lmb handle, will be used for memory mgmt | |
994 | * @rd_data: ramdisk data start address | |
995 | * @rd_len: ramdisk data length | |
996 | * @initrd_start: pointer to a ulong variable, will hold final init ramdisk | |
997 | * start address (after possible relocation) | |
998 | * @initrd_end: pointer to a ulong variable, will hold final init ramdisk | |
999 | * end address (after possible relocation) | |
1000 | * | |
1001 | * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement | |
1002 | * variable and if requested ramdisk data is moved to a specified location. | |
1003 | * | |
1004 | * Initrd_start and initrd_end are set to final (after relocation) ramdisk | |
1005 | * start/end addresses if ramdisk image start and len were provided, | |
1006 | * otherwise set initrd_start and initrd_end set to zeros. | |
1007 | * | |
1008 | * returns: | |
1009 | * 0 - success | |
1010 | * -1 - failure | |
1011 | */ | |
1012 | int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, | |
1013 | ulong *initrd_start, ulong *initrd_end) | |
1014 | { | |
1015 | char *s; | |
1016 | ulong initrd_high; | |
1017 | int initrd_copy_to_ram = 1; | |
1018 | ||
1019 | if ((s = getenv ("initrd_high")) != NULL) { | |
1020 | /* a value of "no" or a similar string will act like 0, | |
1021 | * turning the "load high" feature off. This is intentional. | |
1022 | */ | |
1023 | initrd_high = simple_strtoul (s, NULL, 16); | |
1024 | if (initrd_high == ~0) | |
1025 | initrd_copy_to_ram = 0; | |
1026 | } else { | |
1027 | /* not set, no restrictions to load high */ | |
1028 | initrd_high = ~0; | |
1029 | } | |
1030 | ||
1031 | ||
1032 | #ifdef CONFIG_LOGBUFFER | |
1033 | /* Prevent initrd from overwriting logbuffer */ | |
1034 | lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); | |
1035 | #endif | |
1036 | ||
1037 | debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", | |
1038 | initrd_high, initrd_copy_to_ram); | |
1039 | ||
1040 | if (rd_data) { | |
1041 | if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ | |
1042 | debug (" in-place initrd\n"); | |
1043 | *initrd_start = rd_data; | |
1044 | *initrd_end = rd_data + rd_len; | |
1045 | lmb_reserve(lmb, rd_data, rd_len); | |
1046 | } else { | |
1047 | if (initrd_high) | |
1048 | *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); | |
1049 | else | |
1050 | *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); | |
1051 | ||
1052 | if (*initrd_start == 0) { | |
1053 | puts ("ramdisk - allocation error\n"); | |
1054 | goto error; | |
1055 | } | |
1056 | show_boot_progress (12); | |
1057 | ||
1058 | *initrd_end = *initrd_start + rd_len; | |
1059 | printf (" Loading Ramdisk to %08lx, end %08lx ... ", | |
1060 | *initrd_start, *initrd_end); | |
1061 | ||
1062 | memmove_wd ((void *)*initrd_start, | |
1063 | (void *)rd_data, rd_len, CHUNKSZ); | |
1064 | ||
1065 | puts ("OK\n"); | |
1066 | } | |
1067 | } else { | |
1068 | *initrd_start = 0; | |
1069 | *initrd_end = 0; | |
1070 | } | |
1071 | debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", | |
1072 | *initrd_start, *initrd_end); | |
1073 | ||
1074 | return 0; | |
1075 | ||
1076 | error: | |
1077 | return -1; | |
1078 | } | |
1079 | #endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */ | |
1080 | ||
1081 | #ifdef CONFIG_OF_LIBFDT | |
1082 | static void fdt_error (const char *msg) | |
1083 | { | |
1084 | puts ("ERROR: "); | |
1085 | puts (msg); | |
1086 | puts (" - must RESET the board to recover.\n"); | |
1087 | } | |
1088 | ||
1089 | static const image_header_t *image_get_fdt (ulong fdt_addr) | |
1090 | { | |
1091 | const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; | |
1092 | ||
1093 | image_print_contents (fdt_hdr); | |
1094 | ||
1095 | puts (" Verifying Checksum ... "); | |
1096 | if (!image_check_hcrc (fdt_hdr)) { | |
1097 | fdt_error ("fdt header checksum invalid"); | |
1098 | return NULL; | |
1099 | } | |
1100 | ||
1101 | if (!image_check_dcrc (fdt_hdr)) { | |
1102 | fdt_error ("fdt checksum invalid"); | |
1103 | return NULL; | |
1104 | } | |
1105 | puts ("OK\n"); | |
1106 | ||
1107 | if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { | |
1108 | fdt_error ("uImage is not a fdt"); | |
1109 | return NULL; | |
1110 | } | |
1111 | if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { | |
1112 | fdt_error ("uImage is compressed"); | |
1113 | return NULL; | |
1114 | } | |
1115 | if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { | |
1116 | fdt_error ("uImage data is not a fdt"); | |
1117 | return NULL; | |
1118 | } | |
1119 | return fdt_hdr; | |
1120 | } | |
1121 | ||
1122 | /** | |
1123 | * fit_check_fdt - verify FIT format FDT subimage | |
1124 | * @fit_hdr: pointer to the FIT header | |
1125 | * fdt_noffset: FDT subimage node offset within FIT image | |
1126 | * @verify: data CRC verification flag | |
1127 | * | |
1128 | * fit_check_fdt() verifies integrity of the FDT subimage and from | |
1129 | * specified FIT image. | |
1130 | * | |
1131 | * returns: | |
1132 | * 1, on success | |
1133 | * 0, on failure | |
1134 | */ | |
1135 | #if defined(CONFIG_FIT) | |
1136 | static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) | |
1137 | { | |
1138 | fit_image_print (fit, fdt_noffset, " "); | |
1139 | ||
1140 | if (verify) { | |
1141 | puts (" Verifying Hash Integrity ... "); | |
1142 | if (!fit_image_check_hashes (fit, fdt_noffset)) { | |
1143 | fdt_error ("Bad Data Hash"); | |
1144 | return 0; | |
1145 | } | |
1146 | puts ("OK\n"); | |
1147 | } | |
1148 | ||
1149 | if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { | |
1150 | fdt_error ("Not a FDT image"); | |
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { | |
1155 | fdt_error ("FDT image is compressed"); | |
1156 | return 0; | |
1157 | } | |
1158 | ||
1159 | return 1; | |
1160 | } | |
1161 | #endif /* CONFIG_FIT */ | |
1162 | ||
1163 | #ifndef CONFIG_SYS_FDT_PAD | |
1164 | #define CONFIG_SYS_FDT_PAD 0x3000 | |
1165 | #endif | |
1166 | ||
1167 | /** | |
1168 | * boot_relocate_fdt - relocate flat device tree | |
1169 | * @lmb: pointer to lmb handle, will be used for memory mgmt | |
1170 | * @bootmap_base: base address of the bootmap region | |
1171 | * @of_flat_tree: pointer to a char* variable, will hold fdt start address | |
1172 | * @of_size: pointer to a ulong variable, will hold fdt length | |
1173 | * | |
1174 | * boot_relocate_fdt() determines if the of_flat_tree address is within | |
1175 | * the bootmap and if not relocates it into that region | |
1176 | * | |
1177 | * of_flat_tree and of_size are set to final (after relocation) values | |
1178 | * | |
1179 | * returns: | |
1180 | * 0 - success | |
1181 | * 1 - failure | |
1182 | */ | |
1183 | int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, | |
1184 | char **of_flat_tree, ulong *of_size) | |
1185 | { | |
1186 | char *fdt_blob = *of_flat_tree; | |
1187 | ulong relocate = 0; | |
1188 | ulong of_len = 0; | |
1189 | ||
1190 | /* nothing to do */ | |
1191 | if (*of_size == 0) | |
1192 | return 0; | |
1193 | ||
1194 | if (fdt_check_header (fdt_blob) != 0) { | |
1195 | fdt_error ("image is not a fdt"); | |
1196 | goto error; | |
1197 | } | |
1198 | ||
1199 | #ifndef CONFIG_SYS_NO_FLASH | |
1200 | /* move the blob if it is in flash (set relocate) */ | |
1201 | if (addr2info ((ulong)fdt_blob) != NULL) | |
1202 | relocate = 1; | |
1203 | #endif | |
1204 | ||
1205 | /* | |
1206 | * The blob needs to be inside the boot mapping. | |
1207 | */ | |
1208 | if (fdt_blob < (char *)bootmap_base) | |
1209 | relocate = 1; | |
1210 | ||
1211 | if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= | |
1212 | ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) | |
1213 | relocate = 1; | |
1214 | ||
1215 | /* move flattend device tree if needed */ | |
1216 | if (relocate) { | |
1217 | int err; | |
1218 | ulong of_start = 0; | |
1219 | ||
1220 | /* position on a 4K boundary before the alloc_current */ | |
1221 | /* Pad the FDT by a specified amount */ | |
1222 | of_len = *of_size + CONFIG_SYS_FDT_PAD; | |
1223 | of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, | |
1224 | (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); | |
1225 | ||
1226 | if (of_start == 0) { | |
1227 | puts("device tree - allocation error\n"); | |
1228 | goto error; | |
1229 | } | |
1230 | ||
1231 | debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", | |
1232 | (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, | |
1233 | of_len, of_len); | |
1234 | ||
1235 | printf (" Loading Device Tree to %08lx, end %08lx ... ", | |
1236 | of_start, of_start + of_len - 1); | |
1237 | ||
1238 | err = fdt_open_into (fdt_blob, (void *)of_start, of_len); | |
1239 | if (err != 0) { | |
1240 | fdt_error ("fdt move failed"); | |
1241 | goto error; | |
1242 | } | |
1243 | puts ("OK\n"); | |
1244 | ||
1245 | *of_flat_tree = (char *)of_start; | |
1246 | *of_size = of_len; | |
1247 | } else { | |
1248 | *of_flat_tree = fdt_blob; | |
1249 | of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; | |
1250 | lmb_reserve(lmb, (ulong)fdt_blob, of_len); | |
1251 | fdt_set_totalsize(*of_flat_tree, of_len); | |
1252 | ||
1253 | *of_size = of_len; | |
1254 | } | |
1255 | ||
1256 | set_working_fdt_addr(*of_flat_tree); | |
1257 | return 0; | |
1258 | ||
1259 | error: | |
1260 | return 1; | |
1261 | } | |
1262 | ||
1263 | /** | |
1264 | * boot_get_fdt - main fdt handling routine | |
1265 | * @argc: command argument count | |
1266 | * @argv: command argument list | |
1267 | * @images: pointer to the bootm images structure | |
1268 | * @of_flat_tree: pointer to a char* variable, will hold fdt start address | |
1269 | * @of_size: pointer to a ulong variable, will hold fdt length | |
1270 | * | |
1271 | * boot_get_fdt() is responsible for finding a valid flat device tree image. | |
1272 | * Curently supported are the following ramdisk sources: | |
1273 | * - multicomponent kernel/ramdisk image, | |
1274 | * - commandline provided address of decicated ramdisk image. | |
1275 | * | |
1276 | * returns: | |
1277 | * 0, if fdt image was found and valid, or skipped | |
1278 | * of_flat_tree and of_size are set to fdt start address and length if | |
1279 | * fdt image is found and valid | |
1280 | * | |
1281 | * 1, if fdt image is found but corrupted | |
1282 | * of_flat_tree and of_size are set to 0 if no fdt exists | |
1283 | */ | |
1284 | int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, | |
1285 | char **of_flat_tree, ulong *of_size) | |
1286 | { | |
1287 | const image_header_t *fdt_hdr; | |
1288 | ulong fdt_addr; | |
1289 | char *fdt_blob = NULL; | |
1290 | ulong image_start, image_end; | |
1291 | ulong load_start, load_end; | |
1292 | #if defined(CONFIG_FIT) | |
1293 | void *fit_hdr; | |
1294 | const char *fit_uname_config = NULL; | |
1295 | const char *fit_uname_fdt = NULL; | |
1296 | ulong default_addr; | |
1297 | int cfg_noffset; | |
1298 | int fdt_noffset; | |
1299 | const void *data; | |
1300 | size_t size; | |
1301 | #endif | |
1302 | ||
1303 | *of_flat_tree = NULL; | |
1304 | *of_size = 0; | |
1305 | ||
1306 | if (argc > 3 || genimg_has_config (images)) { | |
1307 | #if defined(CONFIG_FIT) | |
1308 | if (argc > 3) { | |
1309 | /* | |
1310 | * If the FDT blob comes from the FIT image and the | |
1311 | * FIT image address is omitted in the command line | |
1312 | * argument, try to use ramdisk or os FIT image | |
1313 | * address or default load address. | |
1314 | */ | |
1315 | if (images->fit_uname_rd) | |
1316 | default_addr = (ulong)images->fit_hdr_rd; | |
1317 | else if (images->fit_uname_os) | |
1318 | default_addr = (ulong)images->fit_hdr_os; | |
1319 | else | |
1320 | default_addr = load_addr; | |
1321 | ||
1322 | if (fit_parse_conf (argv[3], default_addr, | |
1323 | &fdt_addr, &fit_uname_config)) { | |
1324 | debug ("* fdt: config '%s' from image at 0x%08lx\n", | |
1325 | fit_uname_config, fdt_addr); | |
1326 | } else if (fit_parse_subimage (argv[3], default_addr, | |
1327 | &fdt_addr, &fit_uname_fdt)) { | |
1328 | debug ("* fdt: subimage '%s' from image at 0x%08lx\n", | |
1329 | fit_uname_fdt, fdt_addr); | |
1330 | } else | |
1331 | #endif | |
1332 | { | |
1333 | fdt_addr = simple_strtoul(argv[3], NULL, 16); | |
1334 | debug ("* fdt: cmdline image address = 0x%08lx\n", | |
1335 | fdt_addr); | |
1336 | } | |
1337 | #if defined(CONFIG_FIT) | |
1338 | } else { | |
1339 | /* use FIT configuration provided in first bootm | |
1340 | * command argument | |
1341 | */ | |
1342 | fdt_addr = (ulong)images->fit_hdr_os; | |
1343 | fit_uname_config = images->fit_uname_cfg; | |
1344 | debug ("* fdt: using config '%s' from image at 0x%08lx\n", | |
1345 | fit_uname_config, fdt_addr); | |
1346 | ||
1347 | /* | |
1348 | * Check whether configuration has FDT blob defined, | |
1349 | * if not quit silently. | |
1350 | */ | |
1351 | fit_hdr = (void *)fdt_addr; | |
1352 | cfg_noffset = fit_conf_get_node (fit_hdr, | |
1353 | fit_uname_config); | |
1354 | if (cfg_noffset < 0) { | |
1355 | debug ("* fdt: no such config\n"); | |
1356 | return 0; | |
1357 | } | |
1358 | ||
1359 | fdt_noffset = fit_conf_get_fdt_node (fit_hdr, | |
1360 | cfg_noffset); | |
1361 | if (fdt_noffset < 0) { | |
1362 | debug ("* fdt: no fdt in config\n"); | |
1363 | return 0; | |
1364 | } | |
1365 | } | |
1366 | #endif | |
1367 | ||
1368 | debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", | |
1369 | fdt_addr); | |
1370 | ||
1371 | /* copy from dataflash if needed */ | |
1372 | fdt_addr = genimg_get_image (fdt_addr); | |
1373 | ||
1374 | /* | |
1375 | * Check if there is an FDT image at the | |
1376 | * address provided in the second bootm argument | |
1377 | * check image type, for FIT images get a FIT node. | |
1378 | */ | |
1379 | switch (genimg_get_format ((void *)fdt_addr)) { | |
1380 | case IMAGE_FORMAT_LEGACY: | |
1381 | /* verify fdt_addr points to a valid image header */ | |
1382 | printf ("## Flattened Device Tree from Legacy Image at %08lx\n", | |
1383 | fdt_addr); | |
1384 | fdt_hdr = image_get_fdt (fdt_addr); | |
1385 | if (!fdt_hdr) | |
1386 | goto error; | |
1387 | ||
1388 | /* | |
1389 | * move image data to the load address, | |
1390 | * make sure we don't overwrite initial image | |
1391 | */ | |
1392 | image_start = (ulong)fdt_hdr; | |
1393 | image_end = image_get_image_end (fdt_hdr); | |
1394 | ||
1395 | load_start = image_get_load (fdt_hdr); | |
1396 | load_end = load_start + image_get_data_size (fdt_hdr); | |
1397 | ||
1398 | if ((load_start < image_end) && (load_end > image_start)) { | |
1399 | fdt_error ("fdt overwritten"); | |
1400 | goto error; | |
1401 | } | |
1402 | ||
1403 | debug (" Loading FDT from 0x%08lx to 0x%08lx\n", | |
1404 | image_get_data (fdt_hdr), load_start); | |
1405 | ||
1406 | memmove ((void *)load_start, | |
1407 | (void *)image_get_data (fdt_hdr), | |
1408 | image_get_data_size (fdt_hdr)); | |
1409 | ||
1410 | fdt_blob = (char *)load_start; | |
1411 | break; | |
1412 | case IMAGE_FORMAT_FIT: | |
1413 | /* | |
1414 | * This case will catch both: new uImage format | |
1415 | * (libfdt based) and raw FDT blob (also libfdt | |
1416 | * based). | |
1417 | */ | |
1418 | #if defined(CONFIG_FIT) | |
1419 | /* check FDT blob vs FIT blob */ | |
1420 | if (fit_check_format ((const void *)fdt_addr)) { | |
1421 | /* | |
1422 | * FIT image | |
1423 | */ | |
1424 | fit_hdr = (void *)fdt_addr; | |
1425 | printf ("## Flattened Device Tree from FIT Image at %08lx\n", | |
1426 | fdt_addr); | |
1427 | ||
1428 | if (!fit_uname_fdt) { | |
1429 | /* | |
1430 | * no FDT blob image node unit name, | |
1431 | * try to get config node first. If | |
1432 | * config unit node name is NULL | |
1433 | * fit_conf_get_node() will try to | |
1434 | * find default config node | |
1435 | */ | |
1436 | cfg_noffset = fit_conf_get_node (fit_hdr, | |
1437 | fit_uname_config); | |
1438 | ||
1439 | if (cfg_noffset < 0) { | |
1440 | fdt_error ("Could not find configuration node\n"); | |
1441 | goto error; | |
1442 | } | |
1443 | ||
1444 | fit_uname_config = fdt_get_name (fit_hdr, | |
1445 | cfg_noffset, NULL); | |
1446 | printf (" Using '%s' configuration\n", | |
1447 | fit_uname_config); | |
1448 | ||
1449 | fdt_noffset = fit_conf_get_fdt_node (fit_hdr, | |
1450 | cfg_noffset); | |
1451 | fit_uname_fdt = fit_get_name (fit_hdr, | |
1452 | fdt_noffset, NULL); | |
1453 | } else { | |
1454 | /* get FDT component image node offset */ | |
1455 | fdt_noffset = fit_image_get_node (fit_hdr, | |
1456 | fit_uname_fdt); | |
1457 | } | |
1458 | if (fdt_noffset < 0) { | |
1459 | fdt_error ("Could not find subimage node\n"); | |
1460 | goto error; | |
1461 | } | |
1462 | ||
1463 | printf (" Trying '%s' FDT blob subimage\n", | |
1464 | fit_uname_fdt); | |
1465 | ||
1466 | if (!fit_check_fdt (fit_hdr, fdt_noffset, | |
1467 | images->verify)) | |
1468 | goto error; | |
1469 | ||
1470 | /* get ramdisk image data address and length */ | |
1471 | if (fit_image_get_data (fit_hdr, fdt_noffset, | |
1472 | &data, &size)) { | |
1473 | fdt_error ("Could not find FDT subimage data"); | |
1474 | goto error; | |
1475 | } | |
1476 | ||
1477 | /* verift that image data is a proper FDT blob */ | |
1478 | if (fdt_check_header ((char *)data) != 0) { | |
1479 | fdt_error ("Subimage data is not a FTD"); | |
1480 | goto error; | |
1481 | } | |
1482 | ||
1483 | /* | |
1484 | * move image data to the load address, | |
1485 | * make sure we don't overwrite initial image | |
1486 | */ | |
1487 | image_start = (ulong)fit_hdr; | |
1488 | image_end = fit_get_end (fit_hdr); | |
1489 | ||
1490 | if (fit_image_get_load (fit_hdr, fdt_noffset, | |
1491 | &load_start) == 0) { | |
1492 | load_end = load_start + size; | |
1493 | ||
1494 | if ((load_start < image_end) && | |
1495 | (load_end > image_start)) { | |
1496 | fdt_error ("FDT overwritten"); | |
1497 | goto error; | |
1498 | } | |
1499 | ||
1500 | printf (" Loading FDT from 0x%08lx to 0x%08lx\n", | |
1501 | (ulong)data, load_start); | |
1502 | ||
1503 | memmove ((void *)load_start, | |
1504 | (void *)data, size); | |
1505 | ||
1506 | fdt_blob = (char *)load_start; | |
1507 | } else { | |
1508 | fdt_blob = (char *)data; | |
1509 | } | |
1510 | ||
1511 | images->fit_hdr_fdt = fit_hdr; | |
1512 | images->fit_uname_fdt = fit_uname_fdt; | |
1513 | images->fit_noffset_fdt = fdt_noffset; | |
1514 | break; | |
1515 | } else | |
1516 | #endif | |
1517 | { | |
1518 | /* | |
1519 | * FDT blob | |
1520 | */ | |
1521 | fdt_blob = (char *)fdt_addr; | |
1522 | debug ("* fdt: raw FDT blob\n"); | |
1523 | printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); | |
1524 | } | |
1525 | break; | |
1526 | default: | |
1527 | puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); | |
1528 | goto error; | |
1529 | } | |
1530 | ||
1531 | printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); | |
1532 | ||
1533 | } else if (images->legacy_hdr_valid && | |
1534 | image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { | |
1535 | ||
1536 | ulong fdt_data, fdt_len; | |
1537 | ||
1538 | /* | |
1539 | * Now check if we have a legacy multi-component image, | |
1540 | * get second entry data start address and len. | |
1541 | */ | |
1542 | printf ("## Flattened Device Tree from multi " | |
1543 | "component Image at %08lX\n", | |
1544 | (ulong)images->legacy_hdr_os); | |
1545 | ||
1546 | image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); | |
1547 | if (fdt_len) { | |
1548 | ||
1549 | fdt_blob = (char *)fdt_data; | |
1550 | printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); | |
1551 | ||
1552 | if (fdt_check_header (fdt_blob) != 0) { | |
1553 | fdt_error ("image is not a fdt"); | |
1554 | goto error; | |
1555 | } | |
1556 | ||
1557 | if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { | |
1558 | fdt_error ("fdt size != image size"); | |
1559 | goto error; | |
1560 | } | |
1561 | } else { | |
1562 | debug ("## No Flattened Device Tree\n"); | |
1563 | return 0; | |
1564 | } | |
1565 | } else { | |
1566 | debug ("## No Flattened Device Tree\n"); | |
1567 | return 0; | |
1568 | } | |
1569 | ||
1570 | *of_flat_tree = fdt_blob; | |
1571 | *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); | |
1572 | debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", | |
1573 | (ulong)*of_flat_tree, *of_size); | |
1574 | ||
1575 | return 0; | |
1576 | ||
1577 | error: | |
1578 | *of_flat_tree = 0; | |
1579 | *of_size = 0; | |
1580 | return 1; | |
1581 | } | |
1582 | #endif /* CONFIG_OF_LIBFDT */ | |
1583 | ||
1584 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) | |
1585 | /** | |
1586 | * boot_get_cmdline - allocate and initialize kernel cmdline | |
1587 | * @lmb: pointer to lmb handle, will be used for memory mgmt | |
1588 | * @cmd_start: pointer to a ulong variable, will hold cmdline start | |
1589 | * @cmd_end: pointer to a ulong variable, will hold cmdline end | |
1590 | * @bootmap_base: ulong variable, holds offset in physical memory to | |
1591 | * base of bootmap | |
1592 | * | |
1593 | * boot_get_cmdline() allocates space for kernel command line below | |
1594 | * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt | |
1595 | * variable is present its contents is copied to allocated kernel | |
1596 | * command line. | |
1597 | * | |
1598 | * returns: | |
1599 | * 0 - success | |
1600 | * -1 - failure | |
1601 | */ | |
1602 | int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, | |
1603 | ulong bootmap_base) | |
1604 | { | |
1605 | char *cmdline; | |
1606 | char *s; | |
1607 | ||
1608 | cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, | |
1609 | CONFIG_SYS_BOOTMAPSZ + bootmap_base); | |
1610 | ||
1611 | if (cmdline == NULL) | |
1612 | return -1; | |
1613 | ||
1614 | if ((s = getenv("bootargs")) == NULL) | |
1615 | s = ""; | |
1616 | ||
1617 | strcpy(cmdline, s); | |
1618 | ||
1619 | *cmd_start = (ulong) & cmdline[0]; | |
1620 | *cmd_end = *cmd_start + strlen(cmdline); | |
1621 | ||
1622 | debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); | |
1623 | ||
1624 | return 0; | |
1625 | } | |
1626 | ||
1627 | /** | |
1628 | * boot_get_kbd - allocate and initialize kernel copy of board info | |
1629 | * @lmb: pointer to lmb handle, will be used for memory mgmt | |
1630 | * @kbd: double pointer to board info data | |
1631 | * @bootmap_base: ulong variable, holds offset in physical memory to | |
1632 | * base of bootmap | |
1633 | * | |
1634 | * boot_get_kbd() allocates space for kernel copy of board info data below | |
1635 | * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with | |
1636 | * the current u-boot board info data. | |
1637 | * | |
1638 | * returns: | |
1639 | * 0 - success | |
1640 | * -1 - failure | |
1641 | */ | |
1642 | int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) | |
1643 | { | |
1644 | *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, | |
1645 | CONFIG_SYS_BOOTMAPSZ + bootmap_base); | |
1646 | if (*kbd == NULL) | |
1647 | return -1; | |
1648 | ||
1649 | **kbd = *(gd->bd); | |
1650 | ||
1651 | debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); | |
1652 | ||
1653 | #if defined(DEBUG) && defined(CONFIG_CMD_BDI) | |
1654 | do_bdinfo(NULL, 0, 0, NULL); | |
1655 | #endif | |
1656 | ||
1657 | return 0; | |
1658 | } | |
1659 | #endif /* CONFIG_PPC || CONFIG_M68K */ | |
1660 | #endif /* !USE_HOSTCC */ | |
1661 | ||
1662 | #if defined(CONFIG_FIT) | |
1663 | /*****************************************************************************/ | |
1664 | /* New uImage format routines */ | |
1665 | /*****************************************************************************/ | |
1666 | #ifndef USE_HOSTCC | |
1667 | static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, | |
1668 | ulong *addr, const char **name) | |
1669 | { | |
1670 | const char *sep; | |
1671 | ||
1672 | *addr = addr_curr; | |
1673 | *name = NULL; | |
1674 | ||
1675 | sep = strchr (spec, sepc); | |
1676 | if (sep) { | |
1677 | if (sep - spec > 0) | |
1678 | *addr = simple_strtoul (spec, NULL, 16); | |
1679 | ||
1680 | *name = sep + 1; | |
1681 | return 1; | |
1682 | } | |
1683 | ||
1684 | return 0; | |
1685 | } | |
1686 | ||
1687 | /** | |
1688 | * fit_parse_conf - parse FIT configuration spec | |
1689 | * @spec: input string, containing configuration spec | |
1690 | * @add_curr: current image address (to be used as a possible default) | |
1691 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
1692 | * configuration | |
1693 | * @conf_name double pointer to a char, will hold pointer to a configuration | |
1694 | * unit name | |
1695 | * | |
1696 | * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, | |
1697 | * where <addr> is a FIT image address that contains configuration | |
1698 | * with a <conf> unit name. | |
1699 | * | |
1700 | * Address part is optional, and if omitted default add_curr will | |
1701 | * be used instead. | |
1702 | * | |
1703 | * returns: | |
1704 | * 1 if spec is a valid configuration string, | |
1705 | * addr and conf_name are set accordingly | |
1706 | * 0 otherwise | |
1707 | */ | |
1708 | inline int fit_parse_conf (const char *spec, ulong addr_curr, | |
1709 | ulong *addr, const char **conf_name) | |
1710 | { | |
1711 | return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); | |
1712 | } | |
1713 | ||
1714 | /** | |
1715 | * fit_parse_subimage - parse FIT subimage spec | |
1716 | * @spec: input string, containing subimage spec | |
1717 | * @add_curr: current image address (to be used as a possible default) | |
1718 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
1719 | * subimage | |
1720 | * @image_name: double pointer to a char, will hold pointer to a subimage name | |
1721 | * | |
1722 | * fit_parse_subimage() expects subimage spec in the for of | |
1723 | * [<addr>]:<subimage>, where <addr> is a FIT image address that contains | |
1724 | * subimage with a <subimg> unit name. | |
1725 | * | |
1726 | * Address part is optional, and if omitted default add_curr will | |
1727 | * be used instead. | |
1728 | * | |
1729 | * returns: | |
1730 | * 1 if spec is a valid subimage string, | |
1731 | * addr and image_name are set accordingly | |
1732 | * 0 otherwise | |
1733 | */ | |
1734 | inline int fit_parse_subimage (const char *spec, ulong addr_curr, | |
1735 | ulong *addr, const char **image_name) | |
1736 | { | |
1737 | return fit_parse_spec (spec, ':', addr_curr, addr, image_name); | |
1738 | } | |
1739 | #endif /* !USE_HOSTCC */ | |
1740 | ||
1741 | static void fit_get_debug (const void *fit, int noffset, | |
1742 | char *prop_name, int err) | |
1743 | { | |
1744 | debug ("Can't get '%s' property from FIT 0x%08lx, " | |
1745 | "node: offset %d, name %s (%s)\n", | |
1746 | prop_name, (ulong)fit, noffset, | |
1747 | fit_get_name (fit, noffset, NULL), | |
1748 | fdt_strerror (err)); | |
1749 | } | |
1750 | ||
1751 | /** | |
1752 | * fit_print_contents - prints out the contents of the FIT format image | |
1753 | * @fit: pointer to the FIT format image header | |
1754 | * @p: pointer to prefix string | |
1755 | * | |
1756 | * fit_print_contents() formats a multi line FIT image contents description. | |
1757 | * The routine prints out FIT image properties (root node level) follwed by | |
1758 | * the details of each component image. | |
1759 | * | |
1760 | * returns: | |
1761 | * no returned results | |
1762 | */ | |
1763 | void fit_print_contents (const void *fit) | |
1764 | { | |
1765 | char *desc; | |
1766 | char *uname; | |
1767 | int images_noffset; | |
1768 | int confs_noffset; | |
1769 | int noffset; | |
1770 | int ndepth; | |
1771 | int count = 0; | |
1772 | int ret; | |
1773 | const char *p; | |
1774 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) | |
1775 | time_t timestamp; | |
1776 | #endif | |
1777 | ||
1778 | #ifdef USE_HOSTCC | |
1779 | p = ""; | |
1780 | #else | |
1781 | p = " "; | |
1782 | #endif | |
1783 | ||
1784 | /* Root node properties */ | |
1785 | ret = fit_get_desc (fit, 0, &desc); | |
1786 | printf ("%sFIT description: ", p); | |
1787 | if (ret) | |
1788 | printf ("unavailable\n"); | |
1789 | else | |
1790 | printf ("%s\n", desc); | |
1791 | ||
1792 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) | |
1793 | ret = fit_get_timestamp (fit, 0, ×tamp); | |
1794 | printf ("%sCreated: ", p); | |
1795 | if (ret) | |
1796 | printf ("unavailable\n"); | |
1797 | else | |
1798 | genimg_print_time (timestamp); | |
1799 | #endif | |
1800 | ||
1801 | /* Find images parent node offset */ | |
1802 | images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); | |
1803 | if (images_noffset < 0) { | |
1804 | printf ("Can't find images parent node '%s' (%s)\n", | |
1805 | FIT_IMAGES_PATH, fdt_strerror (images_noffset)); | |
1806 | return; | |
1807 | } | |
1808 | ||
1809 | /* Process its subnodes, print out component images details */ | |
1810 | for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); | |
1811 | (noffset >= 0) && (ndepth > 0); | |
1812 | noffset = fdt_next_node (fit, noffset, &ndepth)) { | |
1813 | if (ndepth == 1) { | |
1814 | /* | |
1815 | * Direct child node of the images parent node, | |
1816 | * i.e. component image node. | |
1817 | */ | |
1818 | printf ("%s Image %u (%s)\n", p, count++, | |
1819 | fit_get_name(fit, noffset, NULL)); | |
1820 | ||
1821 | fit_image_print (fit, noffset, p); | |
1822 | } | |
1823 | } | |
1824 | ||
1825 | /* Find configurations parent node offset */ | |
1826 | confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); | |
1827 | if (confs_noffset < 0) { | |
1828 | debug ("Can't get configurations parent node '%s' (%s)\n", | |
1829 | FIT_CONFS_PATH, fdt_strerror (confs_noffset)); | |
1830 | return; | |
1831 | } | |
1832 | ||
1833 | /* get default configuration unit name from default property */ | |
1834 | uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); | |
1835 | if (uname) | |
1836 | printf ("%s Default Configuration: '%s'\n", p, uname); | |
1837 | ||
1838 | /* Process its subnodes, print out configurations details */ | |
1839 | for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); | |
1840 | (noffset >= 0) && (ndepth > 0); | |
1841 | noffset = fdt_next_node (fit, noffset, &ndepth)) { | |
1842 | if (ndepth == 1) { | |
1843 | /* | |
1844 | * Direct child node of the configurations parent node, | |
1845 | * i.e. configuration node. | |
1846 | */ | |
1847 | printf ("%s Configuration %u (%s)\n", p, count++, | |
1848 | fit_get_name(fit, noffset, NULL)); | |
1849 | ||
1850 | fit_conf_print (fit, noffset, p); | |
1851 | } | |
1852 | } | |
1853 | } | |
1854 | ||
1855 | /** | |
1856 | * fit_image_print - prints out the FIT component image details | |
1857 | * @fit: pointer to the FIT format image header | |
1858 | * @image_noffset: offset of the component image node | |
1859 | * @p: pointer to prefix string | |
1860 | * | |
1861 | * fit_image_print() lists all mandatory properies for the processed component | |
1862 | * image. If present, hash nodes are printed out as well. Load | |
1863 | * address for images of type firmware is also printed out. Since the load | |
1864 | * address is not mandatory for firmware images, it will be output as | |
1865 | * "unavailable" when not present. | |
1866 | * | |
1867 | * returns: | |
1868 | * no returned results | |
1869 | */ | |
1870 | void fit_image_print (const void *fit, int image_noffset, const char *p) | |
1871 | { | |
1872 | char *desc; | |
1873 | uint8_t type, arch, os, comp; | |
1874 | size_t size; | |
1875 | ulong load, entry; | |
1876 | const void *data; | |
1877 | int noffset; | |
1878 | int ndepth; | |
1879 | int ret; | |
1880 | ||
1881 | /* Mandatory properties */ | |
1882 | ret = fit_get_desc (fit, image_noffset, &desc); | |
1883 | printf ("%s Description: ", p); | |
1884 | if (ret) | |
1885 | printf ("unavailable\n"); | |
1886 | else | |
1887 | printf ("%s\n", desc); | |
1888 | ||
1889 | fit_image_get_type (fit, image_noffset, &type); | |
1890 | printf ("%s Type: %s\n", p, genimg_get_type_name (type)); | |
1891 | ||
1892 | fit_image_get_comp (fit, image_noffset, &comp); | |
1893 | printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); | |
1894 | ||
1895 | ret = fit_image_get_data (fit, image_noffset, &data, &size); | |
1896 | ||
1897 | #ifndef USE_HOSTCC | |
1898 | printf ("%s Data Start: ", p); | |
1899 | if (ret) | |
1900 | printf ("unavailable\n"); | |
1901 | else | |
1902 | printf ("0x%08lx\n", (ulong)data); | |
1903 | #endif | |
1904 | ||
1905 | printf ("%s Data Size: ", p); | |
1906 | if (ret) | |
1907 | printf ("unavailable\n"); | |
1908 | else | |
1909 | genimg_print_size (size); | |
1910 | ||
1911 | /* Remaining, type dependent properties */ | |
1912 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
1913 | (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || | |
1914 | (type == IH_TYPE_FLATDT)) { | |
1915 | fit_image_get_arch (fit, image_noffset, &arch); | |
1916 | printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); | |
1917 | } | |
1918 | ||
1919 | if (type == IH_TYPE_KERNEL) { | |
1920 | fit_image_get_os (fit, image_noffset, &os); | |
1921 | printf ("%s OS: %s\n", p, genimg_get_os_name (os)); | |
1922 | } | |
1923 | ||
1924 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
1925 | (type == IH_TYPE_FIRMWARE)) { | |
1926 | ret = fit_image_get_load (fit, image_noffset, &load); | |
1927 | printf ("%s Load Address: ", p); | |
1928 | if (ret) | |
1929 | printf ("unavailable\n"); | |
1930 | else | |
1931 | printf ("0x%08lx\n", load); | |
1932 | } | |
1933 | ||
1934 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { | |
1935 | fit_image_get_entry (fit, image_noffset, &entry); | |
1936 | printf ("%s Entry Point: ", p); | |
1937 | if (ret) | |
1938 | printf ("unavailable\n"); | |
1939 | else | |
1940 | printf ("0x%08lx\n", entry); | |
1941 | } | |
1942 | ||
1943 | /* Process all hash subnodes of the component image node */ | |
1944 | for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); | |
1945 | (noffset >= 0) && (ndepth > 0); | |
1946 | noffset = fdt_next_node (fit, noffset, &ndepth)) { | |
1947 | if (ndepth == 1) { | |
1948 | /* Direct child node of the component image node */ | |
1949 | fit_image_print_hash (fit, noffset, p); | |
1950 | } | |
1951 | } | |
1952 | } | |
1953 | ||
1954 | /** | |
1955 | * fit_image_print_hash - prints out the hash node details | |
1956 | * @fit: pointer to the FIT format image header | |
1957 | * @noffset: offset of the hash node | |
1958 | * @p: pointer to prefix string | |
1959 | * | |
1960 | * fit_image_print_hash() lists properies for the processed hash node | |
1961 | * | |
1962 | * returns: | |
1963 | * no returned results | |
1964 | */ | |
1965 | void fit_image_print_hash (const void *fit, int noffset, const char *p) | |
1966 | { | |
1967 | char *algo; | |
1968 | uint8_t *value; | |
1969 | int value_len; | |
1970 | int i, ret; | |
1971 | ||
1972 | /* | |
1973 | * Check subnode name, must be equal to "hash". | |
1974 | * Multiple hash nodes require unique unit node | |
1975 | * names, e.g. hash@1, hash@2, etc. | |
1976 | */ | |
1977 | if (strncmp (fit_get_name(fit, noffset, NULL), | |
1978 | FIT_HASH_NODENAME, | |
1979 | strlen(FIT_HASH_NODENAME)) != 0) | |
1980 | return; | |
1981 | ||
1982 | debug ("%s Hash node: '%s'\n", p, | |
1983 | fit_get_name (fit, noffset, NULL)); | |
1984 | ||
1985 | printf ("%s Hash algo: ", p); | |
1986 | if (fit_image_hash_get_algo (fit, noffset, &algo)) { | |
1987 | printf ("invalid/unsupported\n"); | |
1988 | return; | |
1989 | } | |
1990 | printf ("%s\n", algo); | |
1991 | ||
1992 | ret = fit_image_hash_get_value (fit, noffset, &value, | |
1993 | &value_len); | |
1994 | printf ("%s Hash value: ", p); | |
1995 | if (ret) { | |
1996 | printf ("unavailable\n"); | |
1997 | } else { | |
1998 | for (i = 0; i < value_len; i++) | |
1999 | printf ("%02x", value[i]); | |
2000 | printf ("\n"); | |
2001 | } | |
2002 | ||
2003 | debug ("%s Hash len: %d\n", p, value_len); | |
2004 | } | |
2005 | ||
2006 | /** | |
2007 | * fit_get_desc - get node description property | |
2008 | * @fit: pointer to the FIT format image header | |
2009 | * @noffset: node offset | |
2010 | * @desc: double pointer to the char, will hold pointer to the descrption | |
2011 | * | |
2012 | * fit_get_desc() reads description property from a given node, if | |
2013 | * description is found pointer to it is returened in third call argument. | |
2014 | * | |
2015 | * returns: | |
2016 | * 0, on success | |
2017 | * -1, on failure | |
2018 | */ | |
2019 | int fit_get_desc (const void *fit, int noffset, char **desc) | |
2020 | { | |
2021 | int len; | |
2022 | ||
2023 | *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); | |
2024 | if (*desc == NULL) { | |
2025 | fit_get_debug (fit, noffset, FIT_DESC_PROP, len); | |
2026 | return -1; | |
2027 | } | |
2028 | ||
2029 | return 0; | |
2030 | } | |
2031 | ||
2032 | /** | |
2033 | * fit_get_timestamp - get node timestamp property | |
2034 | * @fit: pointer to the FIT format image header | |
2035 | * @noffset: node offset | |
2036 | * @timestamp: pointer to the time_t, will hold read timestamp | |
2037 | * | |
2038 | * fit_get_timestamp() reads timestamp poperty from given node, if timestamp | |
2039 | * is found and has a correct size its value is retured in third call | |
2040 | * argument. | |
2041 | * | |
2042 | * returns: | |
2043 | * 0, on success | |
2044 | * -1, on property read failure | |
2045 | * -2, on wrong timestamp size | |
2046 | */ | |
2047 | int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) | |
2048 | { | |
2049 | int len; | |
2050 | const void *data; | |
2051 | ||
2052 | data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); | |
2053 | if (data == NULL) { | |
2054 | fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); | |
2055 | return -1; | |
2056 | } | |
2057 | if (len != sizeof (uint32_t)) { | |
2058 | debug ("FIT timestamp with incorrect size of (%u)\n", len); | |
2059 | return -2; | |
2060 | } | |
2061 | ||
2062 | *timestamp = uimage_to_cpu (*((uint32_t *)data)); | |
2063 | return 0; | |
2064 | } | |
2065 | ||
2066 | /** | |
2067 | * fit_image_get_node - get node offset for component image of a given unit name | |
2068 | * @fit: pointer to the FIT format image header | |
2069 | * @image_uname: component image node unit name | |
2070 | * | |
2071 | * fit_image_get_node() finds a component image (withing the '/images' | |
2072 | * node) of a provided unit name. If image is found its node offset is | |
2073 | * returned to the caller. | |
2074 | * | |
2075 | * returns: | |
2076 | * image node offset when found (>=0) | |
2077 | * negative number on failure (FDT_ERR_* code) | |
2078 | */ | |
2079 | int fit_image_get_node (const void *fit, const char *image_uname) | |
2080 | { | |
2081 | int noffset, images_noffset; | |
2082 | ||
2083 | images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); | |
2084 | if (images_noffset < 0) { | |
2085 | debug ("Can't find images parent node '%s' (%s)\n", | |
2086 | FIT_IMAGES_PATH, fdt_strerror (images_noffset)); | |
2087 | return images_noffset; | |
2088 | } | |
2089 | ||
2090 | noffset = fdt_subnode_offset (fit, images_noffset, image_uname); | |
2091 | if (noffset < 0) { | |
2092 | debug ("Can't get node offset for image unit name: '%s' (%s)\n", | |
2093 | image_uname, fdt_strerror (noffset)); | |
2094 | } | |
2095 | ||
2096 | return noffset; | |
2097 | } | |
2098 | ||
2099 | /** | |
2100 | * fit_image_get_os - get os id for a given component image node | |
2101 | * @fit: pointer to the FIT format image header | |
2102 | * @noffset: component image node offset | |
2103 | * @os: pointer to the uint8_t, will hold os numeric id | |
2104 | * | |
2105 | * fit_image_get_os() finds os property in a given component image node. | |
2106 | * If the property is found, its (string) value is translated to the numeric | |
2107 | * id which is returned to the caller. | |
2108 | * | |
2109 | * returns: | |
2110 | * 0, on success | |
2111 | * -1, on failure | |
2112 | */ | |
2113 | int fit_image_get_os (const void *fit, int noffset, uint8_t *os) | |
2114 | { | |
2115 | int len; | |
2116 | const void *data; | |
2117 | ||
2118 | /* Get OS name from property data */ | |
2119 | data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); | |
2120 | if (data == NULL) { | |
2121 | fit_get_debug (fit, noffset, FIT_OS_PROP, len); | |
2122 | *os = -1; | |
2123 | return -1; | |
2124 | } | |
2125 | ||
2126 | /* Translate OS name to id */ | |
2127 | *os = genimg_get_os_id (data); | |
2128 | return 0; | |
2129 | } | |
2130 | ||
2131 | /** | |
2132 | * fit_image_get_arch - get arch id for a given component image node | |
2133 | * @fit: pointer to the FIT format image header | |
2134 | * @noffset: component image node offset | |
2135 | * @arch: pointer to the uint8_t, will hold arch numeric id | |
2136 | * | |
2137 | * fit_image_get_arch() finds arch property in a given component image node. | |
2138 | * If the property is found, its (string) value is translated to the numeric | |
2139 | * id which is returned to the caller. | |
2140 | * | |
2141 | * returns: | |
2142 | * 0, on success | |
2143 | * -1, on failure | |
2144 | */ | |
2145 | int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) | |
2146 | { | |
2147 | int len; | |
2148 | const void *data; | |
2149 | ||
2150 | /* Get architecture name from property data */ | |
2151 | data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); | |
2152 | if (data == NULL) { | |
2153 | fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); | |
2154 | *arch = -1; | |
2155 | return -1; | |
2156 | } | |
2157 | ||
2158 | /* Translate architecture name to id */ | |
2159 | *arch = genimg_get_arch_id (data); | |
2160 | return 0; | |
2161 | } | |
2162 | ||
2163 | /** | |
2164 | * fit_image_get_type - get type id for a given component image node | |
2165 | * @fit: pointer to the FIT format image header | |
2166 | * @noffset: component image node offset | |
2167 | * @type: pointer to the uint8_t, will hold type numeric id | |
2168 | * | |
2169 | * fit_image_get_type() finds type property in a given component image node. | |
2170 | * If the property is found, its (string) value is translated to the numeric | |
2171 | * id which is returned to the caller. | |
2172 | * | |
2173 | * returns: | |
2174 | * 0, on success | |
2175 | * -1, on failure | |
2176 | */ | |
2177 | int fit_image_get_type (const void *fit, int noffset, uint8_t *type) | |
2178 | { | |
2179 | int len; | |
2180 | const void *data; | |
2181 | ||
2182 | /* Get image type name from property data */ | |
2183 | data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); | |
2184 | if (data == NULL) { | |
2185 | fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); | |
2186 | *type = -1; | |
2187 | return -1; | |
2188 | } | |
2189 | ||
2190 | /* Translate image type name to id */ | |
2191 | *type = genimg_get_type_id (data); | |
2192 | return 0; | |
2193 | } | |
2194 | ||
2195 | /** | |
2196 | * fit_image_get_comp - get comp id for a given component image node | |
2197 | * @fit: pointer to the FIT format image header | |
2198 | * @noffset: component image node offset | |
2199 | * @comp: pointer to the uint8_t, will hold comp numeric id | |
2200 | * | |
2201 | * fit_image_get_comp() finds comp property in a given component image node. | |
2202 | * If the property is found, its (string) value is translated to the numeric | |
2203 | * id which is returned to the caller. | |
2204 | * | |
2205 | * returns: | |
2206 | * 0, on success | |
2207 | * -1, on failure | |
2208 | */ | |
2209 | int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) | |
2210 | { | |
2211 | int len; | |
2212 | const void *data; | |
2213 | ||
2214 | /* Get compression name from property data */ | |
2215 | data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); | |
2216 | if (data == NULL) { | |
2217 | fit_get_debug (fit, noffset, FIT_COMP_PROP, len); | |
2218 | *comp = -1; | |
2219 | return -1; | |
2220 | } | |
2221 | ||
2222 | /* Translate compression name to id */ | |
2223 | *comp = genimg_get_comp_id (data); | |
2224 | return 0; | |
2225 | } | |
2226 | ||
2227 | /** | |
2228 | * fit_image_get_load - get load address property for a given component image node | |
2229 | * @fit: pointer to the FIT format image header | |
2230 | * @noffset: component image node offset | |
2231 | * @load: pointer to the uint32_t, will hold load address | |
2232 | * | |
2233 | * fit_image_get_load() finds load address property in a given component image node. | |
2234 | * If the property is found, its value is returned to the caller. | |
2235 | * | |
2236 | * returns: | |
2237 | * 0, on success | |
2238 | * -1, on failure | |
2239 | */ | |
2240 | int fit_image_get_load (const void *fit, int noffset, ulong *load) | |
2241 | { | |
2242 | int len; | |
2243 | const uint32_t *data; | |
2244 | ||
2245 | data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); | |
2246 | if (data == NULL) { | |
2247 | fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); | |
2248 | return -1; | |
2249 | } | |
2250 | ||
2251 | *load = uimage_to_cpu (*data); | |
2252 | return 0; | |
2253 | } | |
2254 | ||
2255 | /** | |
2256 | * fit_image_get_entry - get entry point address property for a given component image node | |
2257 | * @fit: pointer to the FIT format image header | |
2258 | * @noffset: component image node offset | |
2259 | * @entry: pointer to the uint32_t, will hold entry point address | |
2260 | * | |
2261 | * fit_image_get_entry() finds entry point address property in a given component image node. | |
2262 | * If the property is found, its value is returned to the caller. | |
2263 | * | |
2264 | * returns: | |
2265 | * 0, on success | |
2266 | * -1, on failure | |
2267 | */ | |
2268 | int fit_image_get_entry (const void *fit, int noffset, ulong *entry) | |
2269 | { | |
2270 | int len; | |
2271 | const uint32_t *data; | |
2272 | ||
2273 | data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); | |
2274 | if (data == NULL) { | |
2275 | fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); | |
2276 | return -1; | |
2277 | } | |
2278 | ||
2279 | *entry = uimage_to_cpu (*data); | |
2280 | return 0; | |
2281 | } | |
2282 | ||
2283 | /** | |
2284 | * fit_image_get_data - get data property and its size for a given component image node | |
2285 | * @fit: pointer to the FIT format image header | |
2286 | * @noffset: component image node offset | |
2287 | * @data: double pointer to void, will hold data property's data address | |
2288 | * @size: pointer to size_t, will hold data property's data size | |
2289 | * | |
2290 | * fit_image_get_data() finds data property in a given component image node. | |
2291 | * If the property is found its data start address and size are returned to | |
2292 | * the caller. | |
2293 | * | |
2294 | * returns: | |
2295 | * 0, on success | |
2296 | * -1, on failure | |
2297 | */ | |
2298 | int fit_image_get_data (const void *fit, int noffset, | |
2299 | const void **data, size_t *size) | |
2300 | { | |
2301 | int len; | |
2302 | ||
2303 | *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); | |
2304 | if (*data == NULL) { | |
2305 | fit_get_debug (fit, noffset, FIT_DATA_PROP, len); | |
2306 | *size = 0; | |
2307 | return -1; | |
2308 | } | |
2309 | ||
2310 | *size = len; | |
2311 | return 0; | |
2312 | } | |
2313 | ||
2314 | /** | |
2315 | * fit_image_hash_get_algo - get hash algorithm name | |
2316 | * @fit: pointer to the FIT format image header | |
2317 | * @noffset: hash node offset | |
2318 | * @algo: double pointer to char, will hold pointer to the algorithm name | |
2319 | * | |
2320 | * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. | |
2321 | * If the property is found its data start address is returned to the caller. | |
2322 | * | |
2323 | * returns: | |
2324 | * 0, on success | |
2325 | * -1, on failure | |
2326 | */ | |
2327 | int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) | |
2328 | { | |
2329 | int len; | |
2330 | ||
2331 | *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); | |
2332 | if (*algo == NULL) { | |
2333 | fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); | |
2334 | return -1; | |
2335 | } | |
2336 | ||
2337 | return 0; | |
2338 | } | |
2339 | ||
2340 | /** | |
2341 | * fit_image_hash_get_value - get hash value and length | |
2342 | * @fit: pointer to the FIT format image header | |
2343 | * @noffset: hash node offset | |
2344 | * @value: double pointer to uint8_t, will hold address of a hash value data | |
2345 | * @value_len: pointer to an int, will hold hash data length | |
2346 | * | |
2347 | * fit_image_hash_get_value() finds hash value property in a given hash node. | |
2348 | * If the property is found its data start address and size are returned to | |
2349 | * the caller. | |
2350 | * | |
2351 | * returns: | |
2352 | * 0, on success | |
2353 | * -1, on failure | |
2354 | */ | |
2355 | int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, | |
2356 | int *value_len) | |
2357 | { | |
2358 | int len; | |
2359 | ||
2360 | *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); | |
2361 | if (*value == NULL) { | |
2362 | fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); | |
2363 | *value_len = 0; | |
2364 | return -1; | |
2365 | } | |
2366 | ||
2367 | *value_len = len; | |
2368 | return 0; | |
2369 | } | |
2370 | ||
2371 | /** | |
2372 | * fit_set_timestamp - set node timestamp property | |
2373 | * @fit: pointer to the FIT format image header | |
2374 | * @noffset: node offset | |
2375 | * @timestamp: timestamp value to be set | |
2376 | * | |
2377 | * fit_set_timestamp() attempts to set timestamp property in the requested | |
2378 | * node and returns operation status to the caller. | |
2379 | * | |
2380 | * returns: | |
2381 | * 0, on success | |
2382 | * -1, on property read failure | |
2383 | */ | |
2384 | int fit_set_timestamp (void *fit, int noffset, time_t timestamp) | |
2385 | { | |
2386 | uint32_t t; | |
2387 | int ret; | |
2388 | ||
2389 | t = cpu_to_uimage (timestamp); | |
2390 | ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, | |
2391 | sizeof (uint32_t)); | |
2392 | if (ret) { | |
2393 | printf ("Can't set '%s' property for '%s' node (%s)\n", | |
2394 | FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), | |
2395 | fdt_strerror (ret)); | |
2396 | return -1; | |
2397 | } | |
2398 | ||
2399 | return 0; | |
2400 | } | |
2401 | ||
2402 | /** | |
2403 | * calculate_hash - calculate and return hash for provided input data | |
2404 | * @data: pointer to the input data | |
2405 | * @data_len: data length | |
2406 | * @algo: requested hash algorithm | |
2407 | * @value: pointer to the char, will hold hash value data (caller must | |
2408 | * allocate enough free space) | |
2409 | * value_len: length of the calculated hash | |
2410 | * | |
2411 | * calculate_hash() computes input data hash according to the requested algorithm. | |
2412 | * Resulting hash value is placed in caller provided 'value' buffer, length | |
2413 | * of the calculated hash is returned via value_len pointer argument. | |
2414 | * | |
2415 | * returns: | |
2416 | * 0, on success | |
2417 | * -1, when algo is unsupported | |
2418 | */ | |
2419 | static int calculate_hash (const void *data, int data_len, const char *algo, | |
2420 | uint8_t *value, int *value_len) | |
2421 | { | |
2422 | if (strcmp (algo, "crc32") == 0 ) { | |
2423 | *((uint32_t *)value) = crc32_wd (0, data, data_len, | |
2424 | CHUNKSZ_CRC32); | |
2425 | *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); | |
2426 | *value_len = 4; | |
2427 | } else if (strcmp (algo, "sha1") == 0 ) { | |
2428 | sha1_csum_wd ((unsigned char *) data, data_len, | |
2429 | (unsigned char *) value, CHUNKSZ_SHA1); | |
2430 | *value_len = 20; | |
2431 | } else if (strcmp (algo, "md5") == 0 ) { | |
2432 | md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); | |
2433 | *value_len = 16; | |
2434 | } else { | |
2435 | debug ("Unsupported hash alogrithm\n"); | |
2436 | return -1; | |
2437 | } | |
2438 | return 0; | |
2439 | } | |
2440 | ||
2441 | #ifdef USE_HOSTCC | |
2442 | /** | |
2443 | * fit_set_hashes - process FIT component image nodes and calculate hashes | |
2444 | * @fit: pointer to the FIT format image header | |
2445 | * | |
2446 | * fit_set_hashes() adds hash values for all component images in the FIT blob. | |
2447 | * Hashes are calculated for all component images which have hash subnodes | |
2448 | * with algorithm property set to one of the supported hash algorithms. | |
2449 | * | |
2450 | * returns | |
2451 | * 0, on success | |
2452 | * libfdt error code, on failure | |
2453 | */ | |
2454 | int fit_set_hashes (void *fit) | |
2455 | { | |
2456 | int images_noffset; | |
2457 | int noffset; | |
2458 | int ndepth; | |
2459 | int ret; | |
2460 | ||
2461 | /* Find images parent node offset */ | |
2462 | images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); | |
2463 | if (images_noffset < 0) { | |
2464 | printf ("Can't find images parent node '%s' (%s)\n", | |
2465 | FIT_IMAGES_PATH, fdt_strerror (images_noffset)); | |
2466 | return images_noffset; | |
2467 | } | |
2468 | ||
2469 | /* Process its subnodes, print out component images details */ | |
2470 | for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); | |
2471 | (noffset >= 0) && (ndepth > 0); | |
2472 | noffset = fdt_next_node (fit, noffset, &ndepth)) { | |
2473 | if (ndepth == 1) { | |
2474 | /* | |
2475 | * Direct child node of the images parent node, | |
2476 | * i.e. component image node. | |
2477 | */ | |
2478 | ret = fit_image_set_hashes (fit, noffset); | |
2479 | if (ret) | |
2480 | return ret; | |
2481 | } | |
2482 | } | |
2483 | ||
2484 | return 0; | |
2485 | } | |
2486 | ||
2487 | /** | |
2488 | * fit_image_set_hashes - calculate/set hashes for given component image node | |
2489 | * @fit: pointer to the FIT format image header | |
2490 | * @image_noffset: requested component image node | |
2491 | * | |
2492 | * fit_image_set_hashes() adds hash values for an component image node. All | |
2493 | * existing hash subnodes are checked, if algorithm property is set to one of | |
2494 | * the supported hash algorithms, hash value is computed and corresponding | |
2495 | * hash node property is set, for example: | |
2496 | * | |
2497 | * Input component image node structure: | |
2498 | * | |
2499 | * o image@1 (at image_noffset) | |
2500 | * | - data = [binary data] | |
2501 | * o hash@1 | |
2502 | * |- algo = "sha1" | |
2503 | * | |
2504 | * Output component image node structure: | |
2505 | * | |
2506 | * o image@1 (at image_noffset) | |
2507 | * | - data = [binary data] | |
2508 | * o hash@1 | |
2509 | * |- algo = "sha1" | |
2510 | * |- value = sha1(data) | |
2511 | * | |
2512 | * returns: | |
2513 | * 0 on sucess | |
2514 | * <0 on failure | |
2515 | */ | |
2516 | int fit_image_set_hashes (void *fit, int image_noffset) | |
2517 | { | |
2518 | const void *data; | |
2519 | size_t size; | |
2520 | char *algo; | |
2521 | uint8_t value[FIT_MAX_HASH_LEN]; | |
2522 | int value_len; | |
2523 | int noffset; | |
2524 | int ndepth; | |
2525 | ||
2526 | /* Get image data and data length */ | |
2527 | if (fit_image_get_data (fit, image_noffset, &data, &size)) { | |
2528 | printf ("Can't get image data/size\n"); | |
2529 | return -1; | |
2530 | } | |
2531 | ||
2532 | /* Process all hash subnodes of the component image node */ | |
2533 | for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); | |
2534 | (noffset >= 0) && (ndepth > 0); | |
2535 | noffset = fdt_next_node (fit, noffset, &ndepth)) { | |
2536 | if (ndepth == 1) { | |
2537 | /* Direct child node of the component image node */ | |
2538 | ||
2539 | /* | |
2540 | * Check subnode name, must be equal to "hash". | |
2541 | * Multiple hash nodes require unique unit node | |
2542 | * names, e.g. hash@1, hash@2, etc. | |
2543 | */ | |
2544 | if (strncmp (fit_get_name(fit, noffset, NULL), | |
2545 | FIT_HASH_NODENAME, | |
2546 | strlen(FIT_HASH_NODENAME)) != 0) { | |
2547 | /* Not a hash subnode, skip it */ | |
2548 | continue; | |
2549 | } | |
2550 | ||
2551 | if (fit_image_hash_get_algo (fit, noffset, &algo)) { | |
2552 | printf ("Can't get hash algo property for " | |
2553 | "'%s' hash node in '%s' image node\n", | |
2554 | fit_get_name (fit, noffset, NULL), | |
2555 | fit_get_name (fit, image_noffset, NULL)); | |
2556 | return -1; | |
2557 | } | |
2558 | ||
2559 | if (calculate_hash (data, size, algo, value, &value_len)) { | |
2560 | printf ("Unsupported hash algorithm (%s) for " | |
2561 | "'%s' hash node in '%s' image node\n", | |
2562 | algo, fit_get_name (fit, noffset, NULL), | |
2563 | fit_get_name (fit, image_noffset, NULL)); | |
2564 | return -1; | |
2565 | } | |
2566 | ||
2567 | if (fit_image_hash_set_value (fit, noffset, value, | |
2568 | value_len)) { | |
2569 | printf ("Can't set hash value for " | |
2570 | "'%s' hash node in '%s' image node\n", | |
2571 | fit_get_name (fit, noffset, NULL), | |
2572 | fit_get_name (fit, image_noffset, NULL)); | |
2573 | return -1; | |
2574 | } | |
2575 | } | |
2576 | } | |
2577 | ||
2578 | return 0; | |
2579 | } | |
2580 | ||
2581 | /** | |
2582 | * fit_image_hash_set_value - set hash value in requested has node | |
2583 | * @fit: pointer to the FIT format image header | |
2584 | * @noffset: hash node offset | |
2585 | * @value: hash value to be set | |
2586 | * @value_len: hash value length | |
2587 | * | |
2588 | * fit_image_hash_set_value() attempts to set hash value in a node at offset | |
2589 | * given and returns operation status to the caller. | |
2590 | * | |
2591 | * returns | |
2592 | * 0, on success | |
2593 | * -1, on failure | |
2594 | */ | |
2595 | int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, | |
2596 | int value_len) | |
2597 | { | |
2598 | int ret; | |
2599 | ||
2600 | ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); | |
2601 | if (ret) { | |
2602 | printf ("Can't set hash '%s' property for '%s' node (%s)\n", | |
2603 | FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), | |
2604 | fdt_strerror (ret)); | |
2605 | return -1; | |
2606 | } | |
2607 | ||
2608 | return 0; | |
2609 | } | |
2610 | #endif /* USE_HOSTCC */ | |
2611 | ||
2612 | /** | |
2613 | * fit_image_check_hashes - verify data intergity | |
2614 | * @fit: pointer to the FIT format image header | |
2615 | * @image_noffset: component image node offset | |
2616 | * | |
2617 | * fit_image_check_hashes() goes over component image hash nodes, | |
2618 | * re-calculates each data hash and compares with the value stored in hash | |
2619 | * node. | |
2620 | * | |
2621 | * returns: | |
2622 | * 1, if all hashes are valid | |
2623 | * 0, otherwise (or on error) | |
2624 | */ | |
2625 | int fit_image_check_hashes (const void *fit, int image_noffset) | |
2626 | { | |
2627 | const void *data; | |
2628 | size_t size; | |
2629 | char *algo; | |
2630 | uint8_t *fit_value; | |
2631 | int fit_value_len; | |
2632 | uint8_t value[FIT_MAX_HASH_LEN]; | |
2633 | int value_len; | |
2634 | int noffset; | |
2635 | int ndepth; | |
2636 | char *err_msg = ""; | |
2637 | ||
2638 | /* Get image data and data length */ | |
2639 | if (fit_image_get_data (fit, image_noffset, &data, &size)) { | |
2640 | printf ("Can't get image data/size\n"); | |
2641 | return 0; | |
2642 | } | |
2643 | ||
2644 | /* Process all hash subnodes of the component image node */ | |
2645 | for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); | |
2646 | (noffset >= 0) && (ndepth > 0); | |
2647 | noffset = fdt_next_node (fit, noffset, &ndepth)) { | |
2648 | if (ndepth == 1) { | |
2649 | /* Direct child node of the component image node */ | |
2650 | ||
2651 | /* | |
2652 | * Check subnode name, must be equal to "hash". | |
2653 | * Multiple hash nodes require unique unit node | |
2654 | * names, e.g. hash@1, hash@2, etc. | |
2655 | */ | |
2656 | if (strncmp (fit_get_name(fit, noffset, NULL), | |
2657 | FIT_HASH_NODENAME, | |
2658 | strlen(FIT_HASH_NODENAME)) != 0) | |
2659 | continue; | |
2660 | ||
2661 | if (fit_image_hash_get_algo (fit, noffset, &algo)) { | |
2662 | err_msg = " error!\nCan't get hash algo " | |
2663 | "property"; | |
2664 | goto error; | |
2665 | } | |
2666 | printf ("%s", algo); | |
2667 | ||
2668 | if (fit_image_hash_get_value (fit, noffset, &fit_value, | |
2669 | &fit_value_len)) { | |
2670 | err_msg = " error!\nCan't get hash value " | |
2671 | "property"; | |
2672 | goto error; | |
2673 | } | |
2674 | ||
2675 | if (calculate_hash (data, size, algo, value, &value_len)) { | |
2676 | err_msg = " error!\nUnsupported hash algorithm"; | |
2677 | goto error; | |
2678 | } | |
2679 | ||
2680 | if (value_len != fit_value_len) { | |
2681 | err_msg = " error !\nBad hash value len"; | |
2682 | goto error; | |
2683 | } else if (memcmp (value, fit_value, value_len) != 0) { | |
2684 | err_msg = " error!\nBad hash value"; | |
2685 | goto error; | |
2686 | } | |
2687 | printf ("+ "); | |
2688 | } | |
2689 | } | |
2690 | ||
2691 | return 1; | |
2692 | ||
2693 | error: | |
2694 | printf ("%s for '%s' hash node in '%s' image node\n", | |
2695 | err_msg, fit_get_name (fit, noffset, NULL), | |
2696 | fit_get_name (fit, image_noffset, NULL)); | |
2697 | return 0; | |
2698 | } | |
2699 | ||
2700 | /** | |
2701 | * fit_all_image_check_hashes - verify data intergity for all images | |
2702 | * @fit: pointer to the FIT format image header | |
2703 | * | |
2704 | * fit_all_image_check_hashes() goes over all images in the FIT and | |
2705 | * for every images checks if all it's hashes are valid. | |
2706 | * | |
2707 | * returns: | |
2708 | * 1, if all hashes of all images are valid | |
2709 | * 0, otherwise (or on error) | |
2710 | */ | |
2711 | int fit_all_image_check_hashes (const void *fit) | |
2712 | { | |
2713 | int images_noffset; | |
2714 | int noffset; | |
2715 | int ndepth; | |
2716 | int count; | |
2717 | ||
2718 | /* Find images parent node offset */ | |
2719 | images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); | |
2720 | if (images_noffset < 0) { | |
2721 | printf ("Can't find images parent node '%s' (%s)\n", | |
2722 | FIT_IMAGES_PATH, fdt_strerror (images_noffset)); | |
2723 | return 0; | |
2724 | } | |
2725 | ||
2726 | /* Process all image subnodes, check hashes for each */ | |
2727 | printf ("## Checking hash(es) for FIT Image at %08lx ...\n", | |
2728 | (ulong)fit); | |
2729 | for (ndepth = 0, count = 0, | |
2730 | noffset = fdt_next_node (fit, images_noffset, &ndepth); | |
2731 | (noffset >= 0) && (ndepth > 0); | |
2732 | noffset = fdt_next_node (fit, noffset, &ndepth)) { | |
2733 | if (ndepth == 1) { | |
2734 | /* | |
2735 | * Direct child node of the images parent node, | |
2736 | * i.e. component image node. | |
2737 | */ | |
2738 | printf (" Hash(es) for Image %u (%s): ", count++, | |
2739 | fit_get_name (fit, noffset, NULL)); | |
2740 | ||
2741 | if (!fit_image_check_hashes (fit, noffset)) | |
2742 | return 0; | |
2743 | printf ("\n"); | |
2744 | } | |
2745 | } | |
2746 | return 1; | |
2747 | } | |
2748 | ||
2749 | /** | |
2750 | * fit_image_check_os - check whether image node is of a given os type | |
2751 | * @fit: pointer to the FIT format image header | |
2752 | * @noffset: component image node offset | |
2753 | * @os: requested image os | |
2754 | * | |
2755 | * fit_image_check_os() reads image os property and compares its numeric | |
2756 | * id with the requested os. Comparison result is returned to the caller. | |
2757 | * | |
2758 | * returns: | |
2759 | * 1 if image is of given os type | |
2760 | * 0 otherwise (or on error) | |
2761 | */ | |
2762 | int fit_image_check_os (const void *fit, int noffset, uint8_t os) | |
2763 | { | |
2764 | uint8_t image_os; | |
2765 | ||
2766 | if (fit_image_get_os (fit, noffset, &image_os)) | |
2767 | return 0; | |
2768 | return (os == image_os); | |
2769 | } | |
2770 | ||
2771 | /** | |
2772 | * fit_image_check_arch - check whether image node is of a given arch | |
2773 | * @fit: pointer to the FIT format image header | |
2774 | * @noffset: component image node offset | |
2775 | * @arch: requested imagearch | |
2776 | * | |
2777 | * fit_image_check_arch() reads image arch property and compares its numeric | |
2778 | * id with the requested arch. Comparison result is returned to the caller. | |
2779 | * | |
2780 | * returns: | |
2781 | * 1 if image is of given arch | |
2782 | * 0 otherwise (or on error) | |
2783 | */ | |
2784 | int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) | |
2785 | { | |
2786 | uint8_t image_arch; | |
2787 | ||
2788 | if (fit_image_get_arch (fit, noffset, &image_arch)) | |
2789 | return 0; | |
2790 | return (arch == image_arch); | |
2791 | } | |
2792 | ||
2793 | /** | |
2794 | * fit_image_check_type - check whether image node is of a given type | |
2795 | * @fit: pointer to the FIT format image header | |
2796 | * @noffset: component image node offset | |
2797 | * @type: requested image type | |
2798 | * | |
2799 | * fit_image_check_type() reads image type property and compares its numeric | |
2800 | * id with the requested type. Comparison result is returned to the caller. | |
2801 | * | |
2802 | * returns: | |
2803 | * 1 if image is of given type | |
2804 | * 0 otherwise (or on error) | |
2805 | */ | |
2806 | int fit_image_check_type (const void *fit, int noffset, uint8_t type) | |
2807 | { | |
2808 | uint8_t image_type; | |
2809 | ||
2810 | if (fit_image_get_type (fit, noffset, &image_type)) | |
2811 | return 0; | |
2812 | return (type == image_type); | |
2813 | } | |
2814 | ||
2815 | /** | |
2816 | * fit_image_check_comp - check whether image node uses given compression | |
2817 | * @fit: pointer to the FIT format image header | |
2818 | * @noffset: component image node offset | |
2819 | * @comp: requested image compression type | |
2820 | * | |
2821 | * fit_image_check_comp() reads image compression property and compares its | |
2822 | * numeric id with the requested compression type. Comparison result is | |
2823 | * returned to the caller. | |
2824 | * | |
2825 | * returns: | |
2826 | * 1 if image uses requested compression | |
2827 | * 0 otherwise (or on error) | |
2828 | */ | |
2829 | int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) | |
2830 | { | |
2831 | uint8_t image_comp; | |
2832 | ||
2833 | if (fit_image_get_comp (fit, noffset, &image_comp)) | |
2834 | return 0; | |
2835 | return (comp == image_comp); | |
2836 | } | |
2837 | ||
2838 | /** | |
2839 | * fit_check_format - sanity check FIT image format | |
2840 | * @fit: pointer to the FIT format image header | |
2841 | * | |
2842 | * fit_check_format() runs a basic sanity FIT image verification. | |
2843 | * Routine checks for mandatory properties, nodes, etc. | |
2844 | * | |
2845 | * returns: | |
2846 | * 1, on success | |
2847 | * 0, on failure | |
2848 | */ | |
2849 | int fit_check_format (const void *fit) | |
2850 | { | |
2851 | /* mandatory / node 'description' property */ | |
2852 | if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { | |
2853 | debug ("Wrong FIT format: no description\n"); | |
2854 | return 0; | |
2855 | } | |
2856 | ||
2857 | #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) | |
2858 | /* mandatory / node 'timestamp' property */ | |
2859 | if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { | |
2860 | debug ("Wrong FIT format: no timestamp\n"); | |
2861 | return 0; | |
2862 | } | |
2863 | #endif | |
2864 | ||
2865 | /* mandatory subimages parent '/images' node */ | |
2866 | if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { | |
2867 | debug ("Wrong FIT format: no images parent node\n"); | |
2868 | return 0; | |
2869 | } | |
2870 | ||
2871 | return 1; | |
2872 | } | |
2873 | ||
2874 | /** | |
2875 | * fit_conf_get_node - get node offset for configuration of a given unit name | |
2876 | * @fit: pointer to the FIT format image header | |
2877 | * @conf_uname: configuration node unit name | |
2878 | * | |
2879 | * fit_conf_get_node() finds a configuration (withing the '/configurations' | |
2880 | * parant node) of a provided unit name. If configuration is found its node offset | |
2881 | * is returned to the caller. | |
2882 | * | |
2883 | * When NULL is provided in second argument fit_conf_get_node() will search | |
2884 | * for a default configuration node instead. Default configuration node unit name | |
2885 | * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. | |
2886 | * | |
2887 | * returns: | |
2888 | * configuration node offset when found (>=0) | |
2889 | * negative number on failure (FDT_ERR_* code) | |
2890 | */ | |
2891 | int fit_conf_get_node (const void *fit, const char *conf_uname) | |
2892 | { | |
2893 | int noffset, confs_noffset; | |
2894 | int len; | |
2895 | ||
2896 | confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); | |
2897 | if (confs_noffset < 0) { | |
2898 | debug ("Can't find configurations parent node '%s' (%s)\n", | |
2899 | FIT_CONFS_PATH, fdt_strerror (confs_noffset)); | |
2900 | return confs_noffset; | |
2901 | } | |
2902 | ||
2903 | if (conf_uname == NULL) { | |
2904 | /* get configuration unit name from the default property */ | |
2905 | debug ("No configuration specified, trying default...\n"); | |
2906 | conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); | |
2907 | if (conf_uname == NULL) { | |
2908 | fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); | |
2909 | return len; | |
2910 | } | |
2911 | debug ("Found default configuration: '%s'\n", conf_uname); | |
2912 | } | |
2913 | ||
2914 | noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); | |
2915 | if (noffset < 0) { | |
2916 | debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", | |
2917 | conf_uname, fdt_strerror (noffset)); | |
2918 | } | |
2919 | ||
2920 | return noffset; | |
2921 | } | |
2922 | ||
2923 | static int __fit_conf_get_prop_node (const void *fit, int noffset, | |
2924 | const char *prop_name) | |
2925 | { | |
2926 | char *uname; | |
2927 | int len; | |
2928 | ||
2929 | /* get kernel image unit name from configuration kernel property */ | |
2930 | uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); | |
2931 | if (uname == NULL) | |
2932 | return len; | |
2933 | ||
2934 | return fit_image_get_node (fit, uname); | |
2935 | } | |
2936 | ||
2937 | /** | |
2938 | * fit_conf_get_kernel_node - get kernel image node offset that corresponds to | |
2939 | * a given configuration | |
2940 | * @fit: pointer to the FIT format image header | |
2941 | * @noffset: configuration node offset | |
2942 | * | |
2943 | * fit_conf_get_kernel_node() retrives kernel image node unit name from | |
2944 | * configuration FIT_KERNEL_PROP property and translates it to the node | |
2945 | * offset. | |
2946 | * | |
2947 | * returns: | |
2948 | * image node offset when found (>=0) | |
2949 | * negative number on failure (FDT_ERR_* code) | |
2950 | */ | |
2951 | int fit_conf_get_kernel_node (const void *fit, int noffset) | |
2952 | { | |
2953 | return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); | |
2954 | } | |
2955 | ||
2956 | /** | |
2957 | * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to | |
2958 | * a given configuration | |
2959 | * @fit: pointer to the FIT format image header | |
2960 | * @noffset: configuration node offset | |
2961 | * | |
2962 | * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from | |
2963 | * configuration FIT_KERNEL_PROP property and translates it to the node | |
2964 | * offset. | |
2965 | * | |
2966 | * returns: | |
2967 | * image node offset when found (>=0) | |
2968 | * negative number on failure (FDT_ERR_* code) | |
2969 | */ | |
2970 | int fit_conf_get_ramdisk_node (const void *fit, int noffset) | |
2971 | { | |
2972 | return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); | |
2973 | } | |
2974 | ||
2975 | /** | |
2976 | * fit_conf_get_fdt_node - get fdt image node offset that corresponds to | |
2977 | * a given configuration | |
2978 | * @fit: pointer to the FIT format image header | |
2979 | * @noffset: configuration node offset | |
2980 | * | |
2981 | * fit_conf_get_fdt_node() retrives fdt image node unit name from | |
2982 | * configuration FIT_KERNEL_PROP property and translates it to the node | |
2983 | * offset. | |
2984 | * | |
2985 | * returns: | |
2986 | * image node offset when found (>=0) | |
2987 | * negative number on failure (FDT_ERR_* code) | |
2988 | */ | |
2989 | int fit_conf_get_fdt_node (const void *fit, int noffset) | |
2990 | { | |
2991 | return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); | |
2992 | } | |
2993 | ||
2994 | /** | |
2995 | * fit_conf_print - prints out the FIT configuration details | |
2996 | * @fit: pointer to the FIT format image header | |
2997 | * @noffset: offset of the configuration node | |
2998 | * @p: pointer to prefix string | |
2999 | * | |
3000 | * fit_conf_print() lists all mandatory properies for the processed | |
3001 | * configuration node. | |
3002 | * | |
3003 | * returns: | |
3004 | * no returned results | |
3005 | */ | |
3006 | void fit_conf_print (const void *fit, int noffset, const char *p) | |
3007 | { | |
3008 | char *desc; | |
3009 | char *uname; | |
3010 | int ret; | |
3011 | ||
3012 | /* Mandatory properties */ | |
3013 | ret = fit_get_desc (fit, noffset, &desc); | |
3014 | printf ("%s Description: ", p); | |
3015 | if (ret) | |
3016 | printf ("unavailable\n"); | |
3017 | else | |
3018 | printf ("%s\n", desc); | |
3019 | ||
3020 | uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); | |
3021 | printf ("%s Kernel: ", p); | |
3022 | if (uname == NULL) | |
3023 | printf ("unavailable\n"); | |
3024 | else | |
3025 | printf ("%s\n", uname); | |
3026 | ||
3027 | /* Optional properties */ | |
3028 | uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); | |
3029 | if (uname) | |
3030 | printf ("%s Init Ramdisk: %s\n", p, uname); | |
3031 | ||
3032 | uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); | |
3033 | if (uname) | |
3034 | printf ("%s FDT: %s\n", p, uname); | |
3035 | } | |
3036 | ||
3037 | /** | |
3038 | * fit_check_ramdisk - verify FIT format ramdisk subimage | |
3039 | * @fit_hdr: pointer to the FIT ramdisk header | |
3040 | * @rd_noffset: ramdisk subimage node offset within FIT image | |
3041 | * @arch: requested ramdisk image architecture type | |
3042 | * @verify: data CRC verification flag | |
3043 | * | |
3044 | * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from | |
3045 | * specified FIT image. | |
3046 | * | |
3047 | * returns: | |
3048 | * 1, on success | |
3049 | * 0, on failure | |
3050 | */ | |
3051 | #ifndef USE_HOSTCC | |
3052 | static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) | |
3053 | { | |
3054 | fit_image_print (fit, rd_noffset, " "); | |
3055 | ||
3056 | if (verify) { | |
3057 | puts (" Verifying Hash Integrity ... "); | |
3058 | if (!fit_image_check_hashes (fit, rd_noffset)) { | |
3059 | puts ("Bad Data Hash\n"); | |
3060 | show_boot_progress (-125); | |
3061 | return 0; | |
3062 | } | |
3063 | puts ("OK\n"); | |
3064 | } | |
3065 | ||
3066 | show_boot_progress (126); | |
3067 | if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || | |
3068 | !fit_image_check_arch (fit, rd_noffset, arch) || | |
3069 | !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { | |
3070 | printf ("No Linux %s Ramdisk Image\n", | |
3071 | genimg_get_arch_name(arch)); | |
3072 | show_boot_progress (-126); | |
3073 | return 0; | |
3074 | } | |
3075 | ||
3076 | show_boot_progress (127); | |
3077 | return 1; | |
3078 | } | |
3079 | #endif /* USE_HOSTCC */ | |
3080 | #endif /* CONFIG_FIT */ |