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 */
26 #ifndef USE_HOSTCC
27 #include <common.h>
28 #include <watchdog.h>
30 #ifdef CONFIG_SHOW_BOOT_PROGRESS
31 #include <status_led.h>
32 #endif
34 #ifdef CONFIG_HAS_DATAFLASH
35 #include <dataflash.h>
36 #endif
38 #ifdef CONFIG_LOGBUFFER
39 #include <logbuff.h>
40 #endif
42 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
43 #include <rtc.h>
44 #endif
46 #include <image.h>
48 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
49 #include <fdt.h>
50 #include <libfdt.h>
51 #include <fdt_support.h>
52 #endif
54 #if defined(CONFIG_FIT)
55 #include <u-boot/md5.h>
56 #include <sha1.h>
58 static int fit_check_ramdisk(const void *fit, int os_noffset,
59 uint8_t arch, int verify);
60 #endif
62 #ifdef CONFIG_CMD_BDI
63 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
64 #endif
66 DECLARE_GLOBAL_DATA_PTR;
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*/
77 static const table_entry_t uimage_arch[] = {
78 { IH_ARCH_INVALID, NULL, "Invalid ARCH", },
79 { IH_ARCH_ALPHA, "alpha", "Alpha", },
80 { IH_ARCH_ARM, "arm", "ARM", },
81 { IH_ARCH_I386, "x86", "Intel x86", },
82 { IH_ARCH_IA64, "ia64", "IA64", },
83 { IH_ARCH_M68K, "m68k", "M68K", },
84 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", },
85 { IH_ARCH_MIPS, "mips", "MIPS", },
86 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", },
87 { IH_ARCH_NIOS2, "nios2", "NIOS II", },
88 { IH_ARCH_PPC, "powerpc", "PowerPC", },
89 { IH_ARCH_PPC, "ppc", "PowerPC", },
90 { IH_ARCH_S390, "s390", "IBM S390", },
91 { IH_ARCH_SH, "sh", "SuperH", },
92 { IH_ARCH_SPARC, "sparc", "SPARC", },
93 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", },
94 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", },
95 { IH_ARCH_AVR32, "avr32", "AVR32", },
96 { IH_ARCH_NDS32, "nds32", "NDS32", },
97 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",},
98 { -1, "", "", },
99 };
101 static const table_entry_t uimage_os[] = {
102 { IH_OS_INVALID, NULL, "Invalid OS", },
103 { IH_OS_LINUX, "linux", "Linux", },
104 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
105 { IH_OS_LYNXOS, "lynxos", "LynxOS", },
106 #endif
107 { IH_OS_NETBSD, "netbsd", "NetBSD", },
108 { IH_OS_OSE, "ose", "Enea OSE", },
109 { IH_OS_RTEMS, "rtems", "RTEMS", },
110 { IH_OS_U_BOOT, "u-boot", "U-Boot", },
111 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
112 { IH_OS_QNX, "qnx", "QNX", },
113 { IH_OS_VXWORKS, "vxworks", "VxWorks", },
114 #endif
115 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
116 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", },
117 #endif
118 #ifdef USE_HOSTCC
119 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
120 { IH_OS_DELL, "dell", "Dell", },
121 { IH_OS_ESIX, "esix", "Esix", },
122 { IH_OS_FREEBSD, "freebsd", "FreeBSD", },
123 { IH_OS_IRIX, "irix", "Irix", },
124 { IH_OS_NCR, "ncr", "NCR", },
125 { IH_OS_OPENBSD, "openbsd", "OpenBSD", },
126 { IH_OS_PSOS, "psos", "pSOS", },
127 { IH_OS_SCO, "sco", "SCO", },
128 { IH_OS_SOLARIS, "solaris", "Solaris", },
129 { IH_OS_SVR4, "svr4", "SVR4", },
130 #endif
131 { -1, "", "", },
132 };
134 static const table_entry_t uimage_type[] = {
135 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",},
136 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
137 { IH_TYPE_FIRMWARE, "firmware", "Firmware", },
138 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", },
139 { IH_TYPE_KERNEL, "kernel", "Kernel Image", },
140 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", },
141 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",},
142 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",},
143 { IH_TYPE_INVALID, NULL, "Invalid Image", },
144 { IH_TYPE_MULTI, "multi", "Multi-File Image", },
145 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",},
146 { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",},
147 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
148 { IH_TYPE_SCRIPT, "script", "Script", },
149 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
150 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",},
151 { -1, "", "", },
152 };
154 static const table_entry_t uimage_comp[] = {
155 { IH_COMP_NONE, "none", "uncompressed", },
156 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
157 { IH_COMP_GZIP, "gzip", "gzip compressed", },
158 { IH_COMP_LZMA, "lzma", "lzma compressed", },
159 { IH_COMP_LZO, "lzo", "lzo compressed", },
160 { -1, "", "", },
161 };
163 uint32_t crc32(uint32_t, const unsigned char *, uint);
164 uint32_t crc32_wd(uint32_t, const unsigned char *, uint, uint);
165 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
166 static void genimg_print_time(time_t timestamp);
167 #endif
169 /*****************************************************************************/
170 /* Legacy format routines */
171 /*****************************************************************************/
172 int image_check_hcrc(const image_header_t *hdr)
173 {
174 ulong hcrc;
175 ulong len = image_get_header_size();
176 image_header_t header;
178 /* Copy header so we can blank CRC field for re-calculation */
179 memmove(&header, (char *)hdr, image_get_header_size());
180 image_set_hcrc(&header, 0);
182 hcrc = crc32(0, (unsigned char *)&header, len);
184 return (hcrc == image_get_hcrc(hdr));
185 }
187 int image_check_dcrc(const image_header_t *hdr)
188 {
189 ulong data = image_get_data(hdr);
190 ulong len = image_get_data_size(hdr);
191 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
193 return (dcrc == image_get_dcrc(hdr));
194 }
196 /**
197 * image_multi_count - get component (sub-image) count
198 * @hdr: pointer to the header of the multi component image
199 *
200 * image_multi_count() returns number of components in a multi
201 * component image.
202 *
203 * Note: no checking of the image type is done, caller must pass
204 * a valid multi component image.
205 *
206 * returns:
207 * number of components
208 */
209 ulong image_multi_count(const image_header_t *hdr)
210 {
211 ulong i, count = 0;
212 uint32_t *size;
214 /* get start of the image payload, which in case of multi
215 * component images that points to a table of component sizes */
216 size = (uint32_t *)image_get_data(hdr);
218 /* count non empty slots */
219 for (i = 0; size[i]; ++i)
220 count++;
222 return count;
223 }
225 /**
226 * image_multi_getimg - get component data address and size
227 * @hdr: pointer to the header of the multi component image
228 * @idx: index of the requested component
229 * @data: pointer to a ulong variable, will hold component data address
230 * @len: pointer to a ulong variable, will hold component size
231 *
232 * image_multi_getimg() returns size and data address for the requested
233 * component in a multi component image.
234 *
235 * Note: no checking of the image type is done, caller must pass
236 * a valid multi component image.
237 *
238 * returns:
239 * data address and size of the component, if idx is valid
240 * 0 in data and len, if idx is out of range
241 */
242 void image_multi_getimg(const image_header_t *hdr, ulong idx,
243 ulong *data, ulong *len)
244 {
245 int i;
246 uint32_t *size;
247 ulong offset, count, img_data;
249 /* get number of component */
250 count = image_multi_count(hdr);
252 /* get start of the image payload, which in case of multi
253 * component images that points to a table of component sizes */
254 size = (uint32_t *)image_get_data(hdr);
256 /* get address of the proper component data start, which means
257 * skipping sizes table (add 1 for last, null entry) */
258 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
260 if (idx < count) {
261 *len = uimage_to_cpu(size[idx]);
262 offset = 0;
264 /* go over all indices preceding requested component idx */
265 for (i = 0; i < idx; i++) {
266 /* add up i-th component size, rounding up to 4 bytes */
267 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
268 }
270 /* calculate idx-th component data address */
271 *data = img_data + offset;
272 } else {
273 *len = 0;
274 *data = 0;
275 }
276 }
278 static void image_print_type(const image_header_t *hdr)
279 {
280 const char *os, *arch, *type, *comp;
282 os = genimg_get_os_name(image_get_os(hdr));
283 arch = genimg_get_arch_name(image_get_arch(hdr));
284 type = genimg_get_type_name(image_get_type(hdr));
285 comp = genimg_get_comp_name(image_get_comp(hdr));
287 printf("%s %s %s (%s)\n", arch, os, type, comp);
288 }
290 /**
291 * image_print_contents - prints out the contents of the legacy format image
292 * @ptr: pointer to the legacy format image header
293 * @p: pointer to prefix string
294 *
295 * image_print_contents() formats a multi line legacy image contents description.
296 * The routine prints out all header fields followed by the size/offset data
297 * for MULTI/SCRIPT images.
298 *
299 * returns:
300 * no returned results
301 */
302 void image_print_contents(const void *ptr)
303 {
304 const image_header_t *hdr = (const image_header_t *)ptr;
305 const char *p;
307 #ifdef USE_HOSTCC
308 p = "";
309 #else
310 p = " ";
311 #endif
313 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr));
314 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
315 printf("%sCreated: ", p);
316 genimg_print_time((time_t)image_get_time(hdr));
317 #endif
318 printf("%sImage Type: ", p);
319 image_print_type(hdr);
320 printf("%sData Size: ", p);
321 genimg_print_size(image_get_data_size(hdr));
322 printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
323 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr));
325 if (image_check_type(hdr, IH_TYPE_MULTI) ||
326 image_check_type(hdr, IH_TYPE_SCRIPT)) {
327 int i;
328 ulong data, len;
329 ulong count = image_multi_count(hdr);
331 printf("%sContents:\n", p);
332 for (i = 0; i < count; i++) {
333 image_multi_getimg(hdr, i, &data, &len);
335 printf("%s Image %d: ", p, i);
336 genimg_print_size(len);
338 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
339 /*
340 * the user may need to know offsets
341 * if planning to do something with
342 * multiple files
343 */
344 printf("%s Offset = 0x%08lx\n", p, data);
345 }
346 }
347 }
348 }
351 #ifndef USE_HOSTCC
352 /**
353 * image_get_ramdisk - get and verify ramdisk image
354 * @rd_addr: ramdisk image start address
355 * @arch: expected ramdisk architecture
356 * @verify: checksum verification flag
357 *
358 * image_get_ramdisk() returns a pointer to the verified ramdisk image
359 * header. Routine receives image start address and expected architecture
360 * flag. Verification done covers data and header integrity and os/type/arch
361 * fields checking.
362 *
363 * If dataflash support is enabled routine checks for dataflash addresses
364 * and handles required dataflash reads.
365 *
366 * returns:
367 * pointer to a ramdisk image header, if image was found and valid
368 * otherwise, return NULL
369 */
370 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
371 int verify)
372 {
373 const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
375 if (!image_check_magic(rd_hdr)) {
376 puts("Bad Magic Number\n");
377 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
378 return NULL;
379 }
381 if (!image_check_hcrc(rd_hdr)) {
382 puts("Bad Header Checksum\n");
383 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
384 return NULL;
385 }
387 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
388 image_print_contents(rd_hdr);
390 if (verify) {
391 puts(" Verifying Checksum ... ");
392 if (!image_check_dcrc(rd_hdr)) {
393 puts("Bad Data CRC\n");
394 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
395 return NULL;
396 }
397 puts("OK\n");
398 }
400 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
402 if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
403 !image_check_arch(rd_hdr, arch) ||
404 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
405 printf("No Linux %s Ramdisk Image\n",
406 genimg_get_arch_name(arch));
407 bootstage_error(BOOTSTAGE_ID_RAMDISK);
408 return NULL;
409 }
411 return rd_hdr;
412 }
413 #endif /* !USE_HOSTCC */
415 /*****************************************************************************/
416 /* Shared dual-format routines */
417 /*****************************************************************************/
418 #ifndef USE_HOSTCC
419 int getenv_yesno(char *var)
420 {
421 char *s = getenv(var);
422 return (s && (*s == 'n')) ? 0 : 1;
423 }
425 ulong getenv_bootm_low(void)
426 {
427 char *s = getenv("bootm_low");
428 if (s) {
429 ulong tmp = simple_strtoul(s, NULL, 16);
430 return tmp;
431 }
433 #if defined(CONFIG_SYS_SDRAM_BASE)
434 return CONFIG_SYS_SDRAM_BASE;
435 #elif defined(CONFIG_ARM)
436 return gd->bd->bi_dram[0].start;
437 #else
438 return 0;
439 #endif
440 }
442 phys_size_t getenv_bootm_size(void)
443 {
444 phys_size_t tmp;
445 char *s = getenv("bootm_size");
446 if (s) {
447 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
448 return tmp;
449 }
450 s = getenv("bootm_low");
451 if (s)
452 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
453 else
454 tmp = 0;
457 #if defined(CONFIG_ARM)
458 return gd->bd->bi_dram[0].size - tmp;
459 #else
460 return gd->bd->bi_memsize - tmp;
461 #endif
462 }
464 phys_size_t getenv_bootm_mapsize(void)
465 {
466 phys_size_t tmp;
467 char *s = getenv("bootm_mapsize");
468 if (s) {
469 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
470 return tmp;
471 }
473 #if defined(CONFIG_SYS_BOOTMAPSZ)
474 return CONFIG_SYS_BOOTMAPSZ;
475 #else
476 return getenv_bootm_size();
477 #endif
478 }
480 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
481 {
482 if (to == from)
483 return;
485 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
486 while (len > 0) {
487 size_t tail = (len > chunksz) ? chunksz : len;
488 WATCHDOG_RESET();
489 memmove(to, from, tail);
490 to += tail;
491 from += tail;
492 len -= tail;
493 }
494 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
495 memmove(to, from, len);
496 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
497 }
498 #endif /* !USE_HOSTCC */
500 void genimg_print_size(uint32_t size)
501 {
502 #ifndef USE_HOSTCC
503 printf("%d Bytes = ", size);
504 print_size(size, "\n");
505 #else
506 printf("%d Bytes = %.2f kB = %.2f MB\n",
507 size, (double)size / 1.024e3,
508 (double)size / 1.048576e6);
509 #endif
510 }
512 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
513 static void genimg_print_time(time_t timestamp)
514 {
515 #ifndef USE_HOSTCC
516 struct rtc_time tm;
518 to_tm(timestamp, &tm);
519 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
520 tm.tm_year, tm.tm_mon, tm.tm_mday,
521 tm.tm_hour, tm.tm_min, tm.tm_sec);
522 #else
523 printf("%s", ctime(×tamp));
524 #endif
525 }
526 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */
528 /**
529 * get_table_entry_name - translate entry id to long name
530 * @table: pointer to a translation table for entries of a specific type
531 * @msg: message to be returned when translation fails
532 * @id: entry id to be translated
533 *
534 * get_table_entry_name() will go over translation table trying to find
535 * entry that matches given id. If matching entry is found, its long
536 * name is returned to the caller.
537 *
538 * returns:
539 * long entry name if translation succeeds
540 * msg otherwise
541 */
542 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
543 {
544 for (; table->id >= 0; ++table) {
545 if (table->id == id)
546 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
547 return table->lname;
548 #else
549 return table->lname + gd->reloc_off;
550 #endif
551 }
552 return (msg);
553 }
555 const char *genimg_get_os_name(uint8_t os)
556 {
557 return (get_table_entry_name(uimage_os, "Unknown OS", os));
558 }
560 const char *genimg_get_arch_name(uint8_t arch)
561 {
562 return (get_table_entry_name(uimage_arch, "Unknown Architecture",
563 arch));
564 }
566 const char *genimg_get_type_name(uint8_t type)
567 {
568 return (get_table_entry_name(uimage_type, "Unknown Image", type));
569 }
571 const char *genimg_get_comp_name(uint8_t comp)
572 {
573 return (get_table_entry_name(uimage_comp, "Unknown Compression",
574 comp));
575 }
577 /**
578 * get_table_entry_id - translate short entry name to id
579 * @table: pointer to a translation table for entries of a specific type
580 * @table_name: to be used in case of error
581 * @name: entry short name to be translated
582 *
583 * get_table_entry_id() will go over translation table trying to find
584 * entry that matches given short name. If matching entry is found,
585 * its id returned to the caller.
586 *
587 * returns:
588 * entry id if translation succeeds
589 * -1 otherwise
590 */
591 int get_table_entry_id(const table_entry_t *table,
592 const char *table_name, const char *name)
593 {
594 const table_entry_t *t;
595 #ifdef USE_HOSTCC
596 int first = 1;
598 for (t = table; t->id >= 0; ++t) {
599 if (t->sname && strcasecmp(t->sname, name) == 0)
600 return(t->id);
601 }
603 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name);
604 for (t = table; t->id >= 0; ++t) {
605 if (t->sname == NULL)
606 continue;
607 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname);
608 first = 0;
609 }
610 fprintf(stderr, "\n");
611 #else
612 for (t = table; t->id >= 0; ++t) {
613 #ifdef CONFIG_NEEDS_MANUAL_RELOC
614 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0)
615 #else
616 if (t->sname && strcmp(t->sname, name) == 0)
617 #endif
618 return (t->id);
619 }
620 debug("Invalid %s Type: %s\n", table_name, name);
621 #endif /* USE_HOSTCC */
622 return (-1);
623 }
625 int genimg_get_os_id(const char *name)
626 {
627 return (get_table_entry_id(uimage_os, "OS", name));
628 }
630 int genimg_get_arch_id(const char *name)
631 {
632 return (get_table_entry_id(uimage_arch, "CPU", name));
633 }
635 int genimg_get_type_id(const char *name)
636 {
637 return (get_table_entry_id(uimage_type, "Image", name));
638 }
640 int genimg_get_comp_id(const char *name)
641 {
642 return (get_table_entry_id(uimage_comp, "Compression", name));
643 }
645 #ifndef USE_HOSTCC
646 /**
647 * genimg_get_format - get image format type
648 * @img_addr: image start address
649 *
650 * genimg_get_format() checks whether provided address points to a valid
651 * legacy or FIT image.
652 *
653 * New uImage format and FDT blob are based on a libfdt. FDT blob
654 * may be passed directly or embedded in a FIT image. In both situations
655 * genimg_get_format() must be able to dectect libfdt header.
656 *
657 * returns:
658 * image format type or IMAGE_FORMAT_INVALID if no image is present
659 */
660 int genimg_get_format(void *img_addr)
661 {
662 ulong format = IMAGE_FORMAT_INVALID;
663 const image_header_t *hdr;
664 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
665 char *fit_hdr;
666 #endif
668 hdr = (const image_header_t *)img_addr;
669 if (image_check_magic(hdr))
670 format = IMAGE_FORMAT_LEGACY;
671 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
672 else {
673 fit_hdr = (char *)img_addr;
674 if (fdt_check_header(fit_hdr) == 0)
675 format = IMAGE_FORMAT_FIT;
676 }
677 #endif
679 return format;
680 }
682 /**
683 * genimg_get_image - get image from special storage (if necessary)
684 * @img_addr: image start address
685 *
686 * genimg_get_image() checks if provided image start adddress is located
687 * in a dataflash storage. If so, image is moved to a system RAM memory.
688 *
689 * returns:
690 * image start address after possible relocation from special storage
691 */
692 ulong genimg_get_image(ulong img_addr)
693 {
694 ulong ram_addr = img_addr;
696 #ifdef CONFIG_HAS_DATAFLASH
697 ulong h_size, d_size;
699 if (addr_dataflash(img_addr)) {
700 /* ger RAM address */
701 ram_addr = CONFIG_SYS_LOAD_ADDR;
703 /* get header size */
704 h_size = image_get_header_size();
705 #if defined(CONFIG_FIT)
706 if (sizeof(struct fdt_header) > h_size)
707 h_size = sizeof(struct fdt_header);
708 #endif
710 /* read in header */
711 debug(" Reading image header from dataflash address "
712 "%08lx to RAM address %08lx\n", img_addr, ram_addr);
714 read_dataflash(img_addr, h_size, (char *)ram_addr);
716 /* get data size */
717 switch (genimg_get_format((void *)ram_addr)) {
718 case IMAGE_FORMAT_LEGACY:
719 d_size = image_get_data_size(
720 (const image_header_t *)ram_addr);
721 debug(" Legacy format image found at 0x%08lx, "
722 "size 0x%08lx\n",
723 ram_addr, d_size);
724 break;
725 #if defined(CONFIG_FIT)
726 case IMAGE_FORMAT_FIT:
727 d_size = fit_get_size((const void *)ram_addr) - h_size;
728 debug(" FIT/FDT format image found at 0x%08lx, "
729 "size 0x%08lx\n",
730 ram_addr, d_size);
731 break;
732 #endif
733 default:
734 printf(" No valid image found at 0x%08lx\n",
735 img_addr);
736 return ram_addr;
737 }
739 /* read in image data */
740 debug(" Reading image remaining data from dataflash address "
741 "%08lx to RAM address %08lx\n", img_addr + h_size,
742 ram_addr + h_size);
744 read_dataflash(img_addr + h_size, d_size,
745 (char *)(ram_addr + h_size));
747 }
748 #endif /* CONFIG_HAS_DATAFLASH */
750 return ram_addr;
751 }
753 /**
754 * fit_has_config - check if there is a valid FIT configuration
755 * @images: pointer to the bootm command headers structure
756 *
757 * fit_has_config() checks if there is a FIT configuration in use
758 * (if FTI support is present).
759 *
760 * returns:
761 * 0, no FIT support or no configuration found
762 * 1, configuration found
763 */
764 int genimg_has_config(bootm_headers_t *images)
765 {
766 #if defined(CONFIG_FIT)
767 if (images->fit_uname_cfg)
768 return 1;
769 #endif
770 return 0;
771 }
773 /**
774 * boot_get_ramdisk - main ramdisk handling routine
775 * @argc: command argument count
776 * @argv: command argument list
777 * @images: pointer to the bootm images structure
778 * @arch: expected ramdisk architecture
779 * @rd_start: pointer to a ulong variable, will hold ramdisk start address
780 * @rd_end: pointer to a ulong variable, will hold ramdisk end
781 *
782 * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
783 * Curently supported are the following ramdisk sources:
784 * - multicomponent kernel/ramdisk image,
785 * - commandline provided address of decicated ramdisk image.
786 *
787 * returns:
788 * 0, if ramdisk image was found and valid, or skiped
789 * rd_start and rd_end are set to ramdisk start/end addresses if
790 * ramdisk image is found and valid
791 *
792 * 1, if ramdisk image is found but corrupted, or invalid
793 * rd_start and rd_end are set to 0 if no ramdisk exists
794 */
795 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
796 uint8_t arch, ulong *rd_start, ulong *rd_end)
797 {
798 ulong rd_addr, rd_load;
799 ulong rd_data, rd_len;
800 const image_header_t *rd_hdr;
801 #ifdef CONFIG_SUPPORT_RAW_INITRD
802 char *end;
803 #endif
804 #if defined(CONFIG_FIT)
805 void *fit_hdr;
806 const char *fit_uname_config = NULL;
807 const char *fit_uname_ramdisk = NULL;
808 ulong default_addr;
809 int rd_noffset;
810 int cfg_noffset;
811 const void *data;
812 size_t size;
813 #endif
815 *rd_start = 0;
816 *rd_end = 0;
818 /*
819 * Look for a '-' which indicates to ignore the
820 * ramdisk argument
821 */
822 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) {
823 debug("## Skipping init Ramdisk\n");
824 rd_len = rd_data = 0;
825 } else if (argc >= 3 || genimg_has_config(images)) {
826 #if defined(CONFIG_FIT)
827 if (argc >= 3) {
828 /*
829 * If the init ramdisk comes from the FIT image and
830 * the FIT image address is omitted in the command
831 * line argument, try to use os FIT image address or
832 * default load address.
833 */
834 if (images->fit_uname_os)
835 default_addr = (ulong)images->fit_hdr_os;
836 else
837 default_addr = load_addr;
839 if (fit_parse_conf(argv[2], default_addr,
840 &rd_addr, &fit_uname_config)) {
841 debug("* ramdisk: config '%s' from image at "
842 "0x%08lx\n",
843 fit_uname_config, rd_addr);
844 } else if (fit_parse_subimage(argv[2], default_addr,
845 &rd_addr, &fit_uname_ramdisk)) {
846 debug("* ramdisk: subimage '%s' from image at "
847 "0x%08lx\n",
848 fit_uname_ramdisk, rd_addr);
849 } else
850 #endif
851 {
852 rd_addr = simple_strtoul(argv[2], NULL, 16);
853 debug("* ramdisk: cmdline image address = "
854 "0x%08lx\n",
855 rd_addr);
856 }
857 #if defined(CONFIG_FIT)
858 } else {
859 /* use FIT configuration provided in first bootm
860 * command argument
861 */
862 rd_addr = (ulong)images->fit_hdr_os;
863 fit_uname_config = images->fit_uname_cfg;
864 debug("* ramdisk: using config '%s' from image "
865 "at 0x%08lx\n",
866 fit_uname_config, rd_addr);
868 /*
869 * Check whether configuration has ramdisk defined,
870 * if not, don't try to use it, quit silently.
871 */
872 fit_hdr = (void *)rd_addr;
873 cfg_noffset = fit_conf_get_node(fit_hdr,
874 fit_uname_config);
875 if (cfg_noffset < 0) {
876 debug("* ramdisk: no such config\n");
877 return 1;
878 }
880 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr,
881 cfg_noffset);
882 if (rd_noffset < 0) {
883 debug("* ramdisk: no ramdisk in config\n");
884 return 0;
885 }
886 }
887 #endif
889 /* copy from dataflash if needed */
890 rd_addr = genimg_get_image(rd_addr);
892 /*
893 * Check if there is an initrd image at the
894 * address provided in the second bootm argument
895 * check image type, for FIT images get FIT node.
896 */
897 switch (genimg_get_format((void *)rd_addr)) {
898 case IMAGE_FORMAT_LEGACY:
899 printf("## Loading init Ramdisk from Legacy "
900 "Image at %08lx ...\n", rd_addr);
902 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
903 rd_hdr = image_get_ramdisk(rd_addr, arch,
904 images->verify);
906 if (rd_hdr == NULL)
907 return 1;
909 rd_data = image_get_data(rd_hdr);
910 rd_len = image_get_data_size(rd_hdr);
911 rd_load = image_get_load(rd_hdr);
912 break;
913 #if defined(CONFIG_FIT)
914 case IMAGE_FORMAT_FIT:
915 fit_hdr = (void *)rd_addr;
916 printf("## Loading init Ramdisk from FIT "
917 "Image at %08lx ...\n", rd_addr);
919 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT);
920 if (!fit_check_format(fit_hdr)) {
921 puts("Bad FIT ramdisk image format!\n");
922 bootstage_error(
923 BOOTSTAGE_ID_FIT_RD_FORMAT);
924 return 1;
925 }
926 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT_OK);
928 if (!fit_uname_ramdisk) {
929 /*
930 * no ramdisk image node unit name, try to get config
931 * node first. If config unit node name is NULL
932 * fit_conf_get_node() will try to find default config node
933 */
934 bootstage_mark(
935 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME);
936 cfg_noffset = fit_conf_get_node(fit_hdr,
937 fit_uname_config);
938 if (cfg_noffset < 0) {
939 puts("Could not find configuration "
940 "node\n");
941 bootstage_error(
942 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME);
943 return 1;
944 }
945 fit_uname_config = fdt_get_name(fit_hdr,
946 cfg_noffset, NULL);
947 printf(" Using '%s' configuration\n",
948 fit_uname_config);
950 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr,
951 cfg_noffset);
952 fit_uname_ramdisk = fit_get_name(fit_hdr,
953 rd_noffset, NULL);
954 } else {
955 /* get ramdisk component image node offset */
956 bootstage_mark(
957 BOOTSTAGE_ID_FIT_RD_UNIT_NAME);
958 rd_noffset = fit_image_get_node(fit_hdr,
959 fit_uname_ramdisk);
960 }
961 if (rd_noffset < 0) {
962 puts("Could not find subimage node\n");
963 bootstage_error(BOOTSTAGE_ID_FIT_RD_SUBNODE);
964 return 1;
965 }
967 printf(" Trying '%s' ramdisk subimage\n",
968 fit_uname_ramdisk);
970 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK);
971 if (!fit_check_ramdisk(fit_hdr, rd_noffset, arch,
972 images->verify))
973 return 1;
975 /* get ramdisk image data address and length */
976 if (fit_image_get_data(fit_hdr, rd_noffset, &data,
977 &size)) {
978 puts("Could not find ramdisk subimage data!\n");
979 bootstage_error(BOOTSTAGE_ID_FIT_RD_GET_DATA);
980 return 1;
981 }
982 bootstage_mark(BOOTSTAGE_ID_FIT_RD_GET_DATA_OK);
984 rd_data = (ulong)data;
985 rd_len = size;
987 if (fit_image_get_load(fit_hdr, rd_noffset, &rd_load)) {
988 puts("Can't get ramdisk subimage load "
989 "address!\n");
990 bootstage_error(BOOTSTAGE_ID_FIT_RD_LOAD);
991 return 1;
992 }
993 bootstage_mark(BOOTSTAGE_ID_FIT_RD_LOAD);
995 images->fit_hdr_rd = fit_hdr;
996 images->fit_uname_rd = fit_uname_ramdisk;
997 images->fit_noffset_rd = rd_noffset;
998 break;
999 #endif
1000 default:
1001 #ifdef CONFIG_SUPPORT_RAW_INITRD
1002 if (argc >= 3 && (end = strchr(argv[2], ':'))) {
1003 rd_len = simple_strtoul(++end, NULL, 16);
1004 rd_data = rd_addr;
1005 } else
1006 #endif
1007 {
1008 puts("Wrong Ramdisk Image Format\n");
1009 rd_data = rd_len = rd_load = 0;
1010 return 1;
1011 }
1012 }
1013 } else if (images->legacy_hdr_valid &&
1014 image_check_type(&images->legacy_hdr_os_copy,
1015 IH_TYPE_MULTI)) {
1017 /*
1018 * Now check if we have a legacy mult-component image,
1019 * get second entry data start address and len.
1020 */
1021 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1022 printf("## Loading init Ramdisk from multi component "
1023 "Legacy Image at %08lx ...\n",
1024 (ulong)images->legacy_hdr_os);
1026 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1027 } else {
1028 /*
1029 * no initrd image
1030 */
1031 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1032 rd_len = rd_data = 0;
1033 }
1035 if (!rd_data) {
1036 debug("## No init Ramdisk\n");
1037 } else {
1038 *rd_start = rd_data;
1039 *rd_end = rd_data + rd_len;
1040 }
1041 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1042 *rd_start, *rd_end);
1044 return 0;
1045 }
1047 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1048 /**
1049 * boot_ramdisk_high - relocate init ramdisk
1050 * @lmb: pointer to lmb handle, will be used for memory mgmt
1051 * @rd_data: ramdisk data start address
1052 * @rd_len: ramdisk data length
1053 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1054 * start address (after possible relocation)
1055 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1056 * end address (after possible relocation)
1057 *
1058 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
1059 * variable and if requested ramdisk data is moved to a specified location.
1060 *
1061 * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1062 * start/end addresses if ramdisk image start and len were provided,
1063 * otherwise set initrd_start and initrd_end set to zeros.
1064 *
1065 * returns:
1066 * 0 - success
1067 * -1 - failure
1068 */
1069 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1070 ulong *initrd_start, ulong *initrd_end)
1071 {
1072 char *s;
1073 ulong initrd_high;
1074 int initrd_copy_to_ram = 1;
1076 if ((s = getenv("initrd_high")) != NULL) {
1077 /* a value of "no" or a similar string will act like 0,
1078 * turning the "load high" feature off. This is intentional.
1079 */
1080 initrd_high = simple_strtoul(s, NULL, 16);
1081 if (initrd_high == ~0)
1082 initrd_copy_to_ram = 0;
1083 } else {
1084 /* not set, no restrictions to load high */
1085 initrd_high = ~0;
1086 }
1089 #ifdef CONFIG_LOGBUFFER
1090 /* Prevent initrd from overwriting logbuffer */
1091 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1092 #endif
1094 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1095 initrd_high, initrd_copy_to_ram);
1097 if (rd_data) {
1098 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
1099 debug(" in-place initrd\n");
1100 *initrd_start = rd_data;
1101 *initrd_end = rd_data + rd_len;
1102 lmb_reserve(lmb, rd_data, rd_len);
1103 } else {
1104 if (initrd_high)
1105 *initrd_start = (ulong)lmb_alloc_base(lmb,
1106 rd_len, 0x1000, initrd_high);
1107 else
1108 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1109 0x1000);
1111 if (*initrd_start == 0) {
1112 puts("ramdisk - allocation error\n");
1113 goto error;
1114 }
1115 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1117 *initrd_end = *initrd_start + rd_len;
1118 printf(" Loading Ramdisk to %08lx, end %08lx ... ",
1119 *initrd_start, *initrd_end);
1121 memmove_wd((void *)*initrd_start,
1122 (void *)rd_data, rd_len, CHUNKSZ);
1124 #ifdef CONFIG_MP
1125 /*
1126 * Ensure the image is flushed to memory to handle
1127 * AMP boot scenarios in which we might not be
1128 * HW cache coherent
1129 */
1130 flush_cache((unsigned long)*initrd_start, rd_len);
1131 #endif
1132 puts("OK\n");
1133 }
1134 } else {
1135 *initrd_start = 0;
1136 *initrd_end = 0;
1137 }
1138 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1139 *initrd_start, *initrd_end);
1141 return 0;
1143 error:
1144 return -1;
1145 }
1146 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1148 #ifdef CONFIG_OF_LIBFDT
1149 static void fdt_error(const char *msg)
1150 {
1151 puts("ERROR: ");
1152 puts(msg);
1153 puts(" - must RESET the board to recover.\n");
1154 }
1156 static const image_header_t *image_get_fdt(ulong fdt_addr)
1157 {
1158 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr;
1160 image_print_contents(fdt_hdr);
1162 puts(" Verifying Checksum ... ");
1163 if (!image_check_hcrc(fdt_hdr)) {
1164 fdt_error("fdt header checksum invalid");
1165 return NULL;
1166 }
1168 if (!image_check_dcrc(fdt_hdr)) {
1169 fdt_error("fdt checksum invalid");
1170 return NULL;
1171 }
1172 puts("OK\n");
1174 if (!image_check_type(fdt_hdr, IH_TYPE_FLATDT)) {
1175 fdt_error("uImage is not a fdt");
1176 return NULL;
1177 }
1178 if (image_get_comp(fdt_hdr) != IH_COMP_NONE) {
1179 fdt_error("uImage is compressed");
1180 return NULL;
1181 }
1182 if (fdt_check_header((char *)image_get_data(fdt_hdr)) != 0) {
1183 fdt_error("uImage data is not a fdt");
1184 return NULL;
1185 }
1186 return fdt_hdr;
1187 }
1189 /**
1190 * fit_check_fdt - verify FIT format FDT subimage
1191 * @fit_hdr: pointer to the FIT header
1192 * fdt_noffset: FDT subimage node offset within FIT image
1193 * @verify: data CRC verification flag
1194 *
1195 * fit_check_fdt() verifies integrity of the FDT subimage and from
1196 * specified FIT image.
1197 *
1198 * returns:
1199 * 1, on success
1200 * 0, on failure
1201 */
1202 #if defined(CONFIG_FIT)
1203 static int fit_check_fdt(const void *fit, int fdt_noffset, int verify)
1204 {
1205 fit_image_print(fit, fdt_noffset, " ");
1207 if (verify) {
1208 puts(" Verifying Hash Integrity ... ");
1209 if (!fit_image_check_hashes(fit, fdt_noffset)) {
1210 fdt_error("Bad Data Hash");
1211 return 0;
1212 }
1213 puts("OK\n");
1214 }
1216 if (!fit_image_check_type(fit, fdt_noffset, IH_TYPE_FLATDT)) {
1217 fdt_error("Not a FDT image");
1218 return 0;
1219 }
1221 if (!fit_image_check_comp(fit, fdt_noffset, IH_COMP_NONE)) {
1222 fdt_error("FDT image is compressed");
1223 return 0;
1224 }
1226 return 1;
1227 }
1228 #endif /* CONFIG_FIT */
1230 #ifndef CONFIG_SYS_FDT_PAD
1231 #define CONFIG_SYS_FDT_PAD 0x3000
1232 #endif
1234 #if defined(CONFIG_OF_LIBFDT)
1235 /**
1236 * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable
1237 * @lmb: pointer to lmb handle, will be used for memory mgmt
1238 * @fdt_blob: pointer to fdt blob base address
1239 *
1240 * Adds the memreserve regions in the dtb to the lmb block. Adding the
1241 * memreserve regions prevents u-boot from using them to store the initrd
1242 * or the fdt blob.
1243 */
1244 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob)
1245 {
1246 uint64_t addr, size;
1247 int i, total;
1249 if (fdt_check_header(fdt_blob) != 0)
1250 return;
1252 total = fdt_num_mem_rsv(fdt_blob);
1253 for (i = 0; i < total; i++) {
1254 if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0)
1255 continue;
1256 printf(" reserving fdt memory region: addr=%llx size=%llx\n",
1257 (unsigned long long)addr, (unsigned long long)size);
1258 lmb_reserve(lmb, addr, size);
1259 }
1260 }
1262 /**
1263 * boot_relocate_fdt - relocate flat device tree
1264 * @lmb: pointer to lmb handle, will be used for memory mgmt
1265 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
1266 * @of_size: pointer to a ulong variable, will hold fdt length
1267 *
1268 * boot_relocate_fdt() allocates a region of memory within the bootmap and
1269 * relocates the of_flat_tree into that region, even if the fdt is already in
1270 * the bootmap. It also expands the size of the fdt by CONFIG_SYS_FDT_PAD
1271 * bytes.
1272 *
1273 * of_flat_tree and of_size are set to final (after relocation) values
1274 *
1275 * returns:
1276 * 0 - success
1277 * 1 - failure
1278 */
1279 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size)
1280 {
1281 void *fdt_blob = *of_flat_tree;
1282 void *of_start = 0;
1283 char *fdt_high;
1284 ulong of_len = 0;
1285 int err;
1286 int disable_relocation = 0;
1288 /* nothing to do */
1289 if (*of_size == 0)
1290 return 0;
1292 if (fdt_check_header(fdt_blob) != 0) {
1293 fdt_error("image is not a fdt");
1294 goto error;
1295 }
1297 /* position on a 4K boundary before the alloc_current */
1298 /* Pad the FDT by a specified amount */
1299 of_len = *of_size + CONFIG_SYS_FDT_PAD;
1301 /* If fdt_high is set use it to select the relocation address */
1302 fdt_high = getenv("fdt_high");
1303 if (fdt_high) {
1304 void *desired_addr = (void *)simple_strtoul(fdt_high, NULL, 16);
1306 if (((ulong) desired_addr) == ~0UL) {
1307 /* All ones means use fdt in place */
1308 of_start = fdt_blob;
1309 lmb_reserve(lmb, (ulong)of_start, of_len);
1310 disable_relocation = 1;
1311 } else if (desired_addr) {
1312 of_start =
1313 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000,
1314 (ulong)desired_addr);
1315 if (of_start == 0) {
1316 puts("Failed using fdt_high value for Device Tree");
1317 goto error;
1318 }
1319 } else {
1320 of_start =
1321 (void *)(ulong) lmb_alloc(lmb, of_len, 0x1000);
1322 }
1323 } else {
1324 of_start =
1325 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000,
1326 getenv_bootm_mapsize()
1327 + getenv_bootm_low());
1328 }
1330 if (of_start == 0) {
1331 puts("device tree - allocation error\n");
1332 goto error;
1333 }
1335 if (disable_relocation) {
1336 /* We assume there is space after the existing fdt to use for padding */
1337 fdt_set_totalsize(of_start, of_len);
1338 printf(" Using Device Tree in place at %p, end %p\n",
1339 of_start, of_start + of_len - 1);
1340 } else {
1341 debug("## device tree at %p ... %p (len=%ld [0x%lX])\n",
1342 fdt_blob, fdt_blob + *of_size - 1, of_len, of_len);
1344 printf(" Loading Device Tree to %p, end %p ... ",
1345 of_start, of_start + of_len - 1);
1347 err = fdt_open_into(fdt_blob, of_start, of_len);
1348 if (err != 0) {
1349 fdt_error("fdt move failed");
1350 goto error;
1351 }
1352 puts("OK\n");
1353 }
1355 *of_flat_tree = of_start;
1356 *of_size = of_len;
1358 set_working_fdt_addr(*of_flat_tree);
1359 return 0;
1361 error:
1362 return 1;
1363 }
1364 #endif /* CONFIG_OF_LIBFDT */
1366 /**
1367 * boot_get_fdt - main fdt handling routine
1368 * @argc: command argument count
1369 * @argv: command argument list
1370 * @images: pointer to the bootm images structure
1371 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
1372 * @of_size: pointer to a ulong variable, will hold fdt length
1373 *
1374 * boot_get_fdt() is responsible for finding a valid flat device tree image.
1375 * Curently supported are the following ramdisk sources:
1376 * - multicomponent kernel/ramdisk image,
1377 * - commandline provided address of decicated ramdisk image.
1378 *
1379 * returns:
1380 * 0, if fdt image was found and valid, or skipped
1381 * of_flat_tree and of_size are set to fdt start address and length if
1382 * fdt image is found and valid
1383 *
1384 * 1, if fdt image is found but corrupted
1385 * of_flat_tree and of_size are set to 0 if no fdt exists
1386 */
1387 int boot_get_fdt(int flag, int argc, char * const argv[],
1388 bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
1389 {
1390 const image_header_t *fdt_hdr;
1391 ulong fdt_addr;
1392 char *fdt_blob = NULL;
1393 ulong image_start, image_data, image_end;
1394 ulong load_start, load_end;
1395 #if defined(CONFIG_FIT)
1396 void *fit_hdr;
1397 const char *fit_uname_config = NULL;
1398 const char *fit_uname_fdt = NULL;
1399 ulong default_addr;
1400 int cfg_noffset;
1401 int fdt_noffset;
1402 const void *data;
1403 size_t size;
1404 #endif
1406 *of_flat_tree = NULL;
1407 *of_size = 0;
1409 if (argc > 3 || genimg_has_config(images)) {
1410 #if defined(CONFIG_FIT)
1411 if (argc > 3) {
1412 /*
1413 * If the FDT blob comes from the FIT image and the
1414 * FIT image address is omitted in the command line
1415 * argument, try to use ramdisk or os FIT image
1416 * address or default load address.
1417 */
1418 if (images->fit_uname_rd)
1419 default_addr = (ulong)images->fit_hdr_rd;
1420 else if (images->fit_uname_os)
1421 default_addr = (ulong)images->fit_hdr_os;
1422 else
1423 default_addr = load_addr;
1425 if (fit_parse_conf(argv[3], default_addr,
1426 &fdt_addr, &fit_uname_config)) {
1427 debug("* fdt: config '%s' from image at "
1428 "0x%08lx\n",
1429 fit_uname_config, fdt_addr);
1430 } else if (fit_parse_subimage(argv[3], default_addr,
1431 &fdt_addr, &fit_uname_fdt)) {
1432 debug("* fdt: subimage '%s' from image at "
1433 "0x%08lx\n",
1434 fit_uname_fdt, fdt_addr);
1435 } else
1436 #endif
1437 {
1438 fdt_addr = simple_strtoul(argv[3], NULL, 16);
1439 debug("* fdt: cmdline image address = "
1440 "0x%08lx\n",
1441 fdt_addr);
1442 }
1443 #if defined(CONFIG_FIT)
1444 } else {
1445 /* use FIT configuration provided in first bootm
1446 * command argument
1447 */
1448 fdt_addr = (ulong)images->fit_hdr_os;
1449 fit_uname_config = images->fit_uname_cfg;
1450 debug("* fdt: using config '%s' from image "
1451 "at 0x%08lx\n",
1452 fit_uname_config, fdt_addr);
1454 /*
1455 * Check whether configuration has FDT blob defined,
1456 * if not quit silently.
1457 */
1458 fit_hdr = (void *)fdt_addr;
1459 cfg_noffset = fit_conf_get_node(fit_hdr,
1460 fit_uname_config);
1461 if (cfg_noffset < 0) {
1462 debug("* fdt: no such config\n");
1463 return 0;
1464 }
1466 fdt_noffset = fit_conf_get_fdt_node(fit_hdr,
1467 cfg_noffset);
1468 if (fdt_noffset < 0) {
1469 debug("* fdt: no fdt in config\n");
1470 return 0;
1471 }
1472 }
1473 #endif
1475 debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
1476 fdt_addr);
1478 /* copy from dataflash if needed */
1479 fdt_addr = genimg_get_image(fdt_addr);
1481 /*
1482 * Check if there is an FDT image at the
1483 * address provided in the second bootm argument
1484 * check image type, for FIT images get a FIT node.
1485 */
1486 switch (genimg_get_format((void *)fdt_addr)) {
1487 case IMAGE_FORMAT_LEGACY:
1488 /* verify fdt_addr points to a valid image header */
1489 printf("## Flattened Device Tree from Legacy Image "
1490 "at %08lx\n",
1491 fdt_addr);
1492 fdt_hdr = image_get_fdt(fdt_addr);
1493 if (!fdt_hdr)
1494 goto error;
1496 /*
1497 * move image data to the load address,
1498 * make sure we don't overwrite initial image
1499 */
1500 image_start = (ulong)fdt_hdr;
1501 image_data = (ulong)image_get_data(fdt_hdr);
1502 image_end = image_get_image_end(fdt_hdr);
1504 load_start = image_get_load(fdt_hdr);
1505 load_end = load_start + image_get_data_size(fdt_hdr);
1507 if (load_start == image_start ||
1508 load_start == image_data) {
1509 fdt_blob = (char *)image_data;
1510 break;
1511 }
1513 if ((load_start < image_end) && (load_end > image_start)) {
1514 fdt_error("fdt overwritten");
1515 goto error;
1516 }
1518 debug(" Loading FDT from 0x%08lx to 0x%08lx\n",
1519 image_data, load_start);
1521 memmove((void *)load_start,
1522 (void *)image_data,
1523 image_get_data_size(fdt_hdr));
1525 fdt_blob = (char *)load_start;
1526 break;
1527 case IMAGE_FORMAT_FIT:
1528 /*
1529 * This case will catch both: new uImage format
1530 * (libfdt based) and raw FDT blob (also libfdt
1531 * based).
1532 */
1533 #if defined(CONFIG_FIT)
1534 /* check FDT blob vs FIT blob */
1535 if (fit_check_format((const void *)fdt_addr)) {
1536 /*
1537 * FIT image
1538 */
1539 fit_hdr = (void *)fdt_addr;
1540 printf("## Flattened Device Tree from FIT "
1541 "Image at %08lx\n",
1542 fdt_addr);
1544 if (!fit_uname_fdt) {
1545 /*
1546 * no FDT blob image node unit name,
1547 * try to get config node first. If
1548 * config unit node name is NULL
1549 * fit_conf_get_node() will try to
1550 * find default config node
1551 */
1552 cfg_noffset = fit_conf_get_node(fit_hdr,
1553 fit_uname_config);
1555 if (cfg_noffset < 0) {
1556 fdt_error("Could not find "
1557 "configuration "
1558 "node\n");
1559 goto error;
1560 }
1562 fit_uname_config = fdt_get_name(fit_hdr,
1563 cfg_noffset, NULL);
1564 printf(" Using '%s' configuration\n",
1565 fit_uname_config);
1567 fdt_noffset = fit_conf_get_fdt_node(
1568 fit_hdr,
1569 cfg_noffset);
1570 fit_uname_fdt = fit_get_name(fit_hdr,
1571 fdt_noffset, NULL);
1572 } else {
1573 /* get FDT component image node offset */
1574 fdt_noffset = fit_image_get_node(
1575 fit_hdr,
1576 fit_uname_fdt);
1577 }
1578 if (fdt_noffset < 0) {
1579 fdt_error("Could not find subimage "
1580 "node\n");
1581 goto error;
1582 }
1584 printf(" Trying '%s' FDT blob subimage\n",
1585 fit_uname_fdt);
1587 if (!fit_check_fdt(fit_hdr, fdt_noffset,
1588 images->verify))
1589 goto error;
1591 /* get ramdisk image data address and length */
1592 if (fit_image_get_data(fit_hdr, fdt_noffset,
1593 &data, &size)) {
1594 fdt_error("Could not find FDT "
1595 "subimage data");
1596 goto error;
1597 }
1599 /* verift that image data is a proper FDT blob */
1600 if (fdt_check_header((char *)data) != 0) {
1601 fdt_error("Subimage data is not a FTD");
1602 goto error;
1603 }
1605 /*
1606 * move image data to the load address,
1607 * make sure we don't overwrite initial image
1608 */
1609 image_start = (ulong)fit_hdr;
1610 image_end = fit_get_end(fit_hdr);
1612 if (fit_image_get_load(fit_hdr, fdt_noffset,
1613 &load_start) == 0) {
1614 load_end = load_start + size;
1616 if ((load_start < image_end) &&
1617 (load_end > image_start)) {
1618 fdt_error("FDT overwritten");
1619 goto error;
1620 }
1622 printf(" Loading FDT from 0x%08lx "
1623 "to 0x%08lx\n",
1624 (ulong)data,
1625 load_start);
1627 memmove((void *)load_start,
1628 (void *)data, size);
1630 fdt_blob = (char *)load_start;
1631 } else {
1632 fdt_blob = (char *)data;
1633 }
1635 images->fit_hdr_fdt = fit_hdr;
1636 images->fit_uname_fdt = fit_uname_fdt;
1637 images->fit_noffset_fdt = fdt_noffset;
1638 break;
1639 } else
1640 #endif
1641 {
1642 /*
1643 * FDT blob
1644 */
1645 fdt_blob = (char *)fdt_addr;
1646 debug("* fdt: raw FDT blob\n");
1647 printf("## Flattened Device Tree blob at "
1648 "%08lx\n", (long)fdt_blob);
1649 }
1650 break;
1651 default:
1652 puts("ERROR: Did not find a cmdline Flattened Device "
1653 "Tree\n");
1654 goto error;
1655 }
1657 printf(" Booting using the fdt blob at 0x%p\n", fdt_blob);
1659 } else if (images->legacy_hdr_valid &&
1660 image_check_type(&images->legacy_hdr_os_copy,
1661 IH_TYPE_MULTI)) {
1663 ulong fdt_data, fdt_len;
1665 /*
1666 * Now check if we have a legacy multi-component image,
1667 * get second entry data start address and len.
1668 */
1669 printf("## Flattened Device Tree from multi "
1670 "component Image at %08lX\n",
1671 (ulong)images->legacy_hdr_os);
1673 image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data,
1674 &fdt_len);
1675 if (fdt_len) {
1677 fdt_blob = (char *)fdt_data;
1678 printf(" Booting using the fdt at 0x%p\n", fdt_blob);
1680 if (fdt_check_header(fdt_blob) != 0) {
1681 fdt_error("image is not a fdt");
1682 goto error;
1683 }
1685 if (fdt_totalsize(fdt_blob) != fdt_len) {
1686 fdt_error("fdt size != image size");
1687 goto error;
1688 }
1689 } else {
1690 debug("## No Flattened Device Tree\n");
1691 return 0;
1692 }
1693 } else {
1694 debug("## No Flattened Device Tree\n");
1695 return 0;
1696 }
1698 *of_flat_tree = fdt_blob;
1699 *of_size = fdt_totalsize(fdt_blob);
1700 debug(" of_flat_tree at 0x%08lx size 0x%08lx\n",
1701 (ulong)*of_flat_tree, *of_size);
1703 return 0;
1705 error:
1706 *of_flat_tree = 0;
1707 *of_size = 0;
1708 return 1;
1709 }
1710 #endif /* CONFIG_OF_LIBFDT */
1712 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1713 /**
1714 * boot_get_cmdline - allocate and initialize kernel cmdline
1715 * @lmb: pointer to lmb handle, will be used for memory mgmt
1716 * @cmd_start: pointer to a ulong variable, will hold cmdline start
1717 * @cmd_end: pointer to a ulong variable, will hold cmdline end
1718 *
1719 * boot_get_cmdline() allocates space for kernel command line below
1720 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1721 * variable is present its contents is copied to allocated kernel
1722 * command line.
1723 *
1724 * returns:
1725 * 0 - success
1726 * -1 - failure
1727 */
1728 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1729 {
1730 char *cmdline;
1731 char *s;
1733 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1734 getenv_bootm_mapsize() + getenv_bootm_low());
1736 if (cmdline == NULL)
1737 return -1;
1739 if ((s = getenv("bootargs")) == NULL)
1740 s = "";
1742 strcpy(cmdline, s);
1744 *cmd_start = (ulong) & cmdline[0];
1745 *cmd_end = *cmd_start + strlen(cmdline);
1747 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1749 return 0;
1750 }
1751 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1753 #ifdef CONFIG_SYS_BOOT_GET_KBD
1754 /**
1755 * boot_get_kbd - allocate and initialize kernel copy of board info
1756 * @lmb: pointer to lmb handle, will be used for memory mgmt
1757 * @kbd: double pointer to board info data
1758 *
1759 * boot_get_kbd() allocates space for kernel copy of board info data below
1760 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1761 * with the current u-boot board info data.
1762 *
1763 * returns:
1764 * 0 - success
1765 * -1 - failure
1766 */
1767 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1768 {
1769 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1770 getenv_bootm_mapsize() + getenv_bootm_low());
1771 if (*kbd == NULL)
1772 return -1;
1774 **kbd = *(gd->bd);
1776 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1778 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1779 do_bdinfo(NULL, 0, 0, NULL);
1780 #endif
1782 return 0;
1783 }
1784 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1785 #endif /* !USE_HOSTCC */
1787 #if defined(CONFIG_FIT)
1788 /*****************************************************************************/
1789 /* New uImage format routines */
1790 /*****************************************************************************/
1791 #ifndef USE_HOSTCC
1792 static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
1793 ulong *addr, const char **name)
1794 {
1795 const char *sep;
1797 *addr = addr_curr;
1798 *name = NULL;
1800 sep = strchr(spec, sepc);
1801 if (sep) {
1802 if (sep - spec > 0)
1803 *addr = simple_strtoul(spec, NULL, 16);
1805 *name = sep + 1;
1806 return 1;
1807 }
1809 return 0;
1810 }
1812 /**
1813 * fit_parse_conf - parse FIT configuration spec
1814 * @spec: input string, containing configuration spec
1815 * @add_curr: current image address (to be used as a possible default)
1816 * @addr: pointer to a ulong variable, will hold FIT image address of a given
1817 * configuration
1818 * @conf_name double pointer to a char, will hold pointer to a configuration
1819 * unit name
1820 *
1821 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>,
1822 * where <addr> is a FIT image address that contains configuration
1823 * with a <conf> unit name.
1824 *
1825 * Address part is optional, and if omitted default add_curr will
1826 * be used instead.
1827 *
1828 * returns:
1829 * 1 if spec is a valid configuration string,
1830 * addr and conf_name are set accordingly
1831 * 0 otherwise
1832 */
1833 int fit_parse_conf(const char *spec, ulong addr_curr,
1834 ulong *addr, const char **conf_name)
1835 {
1836 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
1837 }
1839 /**
1840 * fit_parse_subimage - parse FIT subimage spec
1841 * @spec: input string, containing subimage spec
1842 * @add_curr: current image address (to be used as a possible default)
1843 * @addr: pointer to a ulong variable, will hold FIT image address of a given
1844 * subimage
1845 * @image_name: double pointer to a char, will hold pointer to a subimage name
1846 *
1847 * fit_parse_subimage() expects subimage spec in the for of
1848 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
1849 * subimage with a <subimg> unit name.
1850 *
1851 * Address part is optional, and if omitted default add_curr will
1852 * be used instead.
1853 *
1854 * returns:
1855 * 1 if spec is a valid subimage string,
1856 * addr and image_name are set accordingly
1857 * 0 otherwise
1858 */
1859 int fit_parse_subimage(const char *spec, ulong addr_curr,
1860 ulong *addr, const char **image_name)
1861 {
1862 return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
1863 }
1864 #endif /* !USE_HOSTCC */
1866 static void fit_get_debug(const void *fit, int noffset,
1867 char *prop_name, int err)
1868 {
1869 debug("Can't get '%s' property from FIT 0x%08lx, "
1870 "node: offset %d, name %s (%s)\n",
1871 prop_name, (ulong)fit, noffset,
1872 fit_get_name(fit, noffset, NULL),
1873 fdt_strerror(err));
1874 }
1876 /**
1877 * fit_print_contents - prints out the contents of the FIT format image
1878 * @fit: pointer to the FIT format image header
1879 * @p: pointer to prefix string
1880 *
1881 * fit_print_contents() formats a multi line FIT image contents description.
1882 * The routine prints out FIT image properties (root node level) follwed by
1883 * the details of each component image.
1884 *
1885 * returns:
1886 * no returned results
1887 */
1888 void fit_print_contents(const void *fit)
1889 {
1890 char *desc;
1891 char *uname;
1892 int images_noffset;
1893 int confs_noffset;
1894 int noffset;
1895 int ndepth;
1896 int count = 0;
1897 int ret;
1898 const char *p;
1899 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
1900 time_t timestamp;
1901 #endif
1903 #ifdef USE_HOSTCC
1904 p = "";
1905 #else
1906 p = " ";
1907 #endif
1909 /* Root node properties */
1910 ret = fit_get_desc(fit, 0, &desc);
1911 printf("%sFIT description: ", p);
1912 if (ret)
1913 printf("unavailable\n");
1914 else
1915 printf("%s\n", desc);
1917 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
1918 ret = fit_get_timestamp(fit, 0, ×tamp);
1919 printf("%sCreated: ", p);
1920 if (ret)
1921 printf("unavailable\n");
1922 else
1923 genimg_print_time(timestamp);
1924 #endif
1926 /* Find images parent node offset */
1927 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1928 if (images_noffset < 0) {
1929 printf("Can't find images parent node '%s' (%s)\n",
1930 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1931 return;
1932 }
1934 /* Process its subnodes, print out component images details */
1935 for (ndepth = 0, count = 0,
1936 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1937 (noffset >= 0) && (ndepth > 0);
1938 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1939 if (ndepth == 1) {
1940 /*
1941 * Direct child node of the images parent node,
1942 * i.e. component image node.
1943 */
1944 printf("%s Image %u (%s)\n", p, count++,
1945 fit_get_name(fit, noffset, NULL));
1947 fit_image_print(fit, noffset, p);
1948 }
1949 }
1951 /* Find configurations parent node offset */
1952 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1953 if (confs_noffset < 0) {
1954 debug("Can't get configurations parent node '%s' (%s)\n",
1955 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1956 return;
1957 }
1959 /* get default configuration unit name from default property */
1960 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
1961 if (uname)
1962 printf("%s Default Configuration: '%s'\n", p, uname);
1964 /* Process its subnodes, print out configurations details */
1965 for (ndepth = 0, count = 0,
1966 noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1967 (noffset >= 0) && (ndepth > 0);
1968 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1969 if (ndepth == 1) {
1970 /*
1971 * Direct child node of the configurations parent node,
1972 * i.e. configuration node.
1973 */
1974 printf("%s Configuration %u (%s)\n", p, count++,
1975 fit_get_name(fit, noffset, NULL));
1977 fit_conf_print(fit, noffset, p);
1978 }
1979 }
1980 }
1982 /**
1983 * fit_image_print - prints out the FIT component image details
1984 * @fit: pointer to the FIT format image header
1985 * @image_noffset: offset of the component image node
1986 * @p: pointer to prefix string
1987 *
1988 * fit_image_print() lists all mandatory properies for the processed component
1989 * image. If present, hash nodes are printed out as well. Load
1990 * address for images of type firmware is also printed out. Since the load
1991 * address is not mandatory for firmware images, it will be output as
1992 * "unavailable" when not present.
1993 *
1994 * returns:
1995 * no returned results
1996 */
1997 void fit_image_print(const void *fit, int image_noffset, const char *p)
1998 {
1999 char *desc;
2000 uint8_t type, arch, os, comp;
2001 size_t size;
2002 ulong load, entry;
2003 const void *data;
2004 int noffset;
2005 int ndepth;
2006 int ret;
2008 /* Mandatory properties */
2009 ret = fit_get_desc(fit, image_noffset, &desc);
2010 printf("%s Description: ", p);
2011 if (ret)
2012 printf("unavailable\n");
2013 else
2014 printf("%s\n", desc);
2016 fit_image_get_type(fit, image_noffset, &type);
2017 printf("%s Type: %s\n", p, genimg_get_type_name(type));
2019 fit_image_get_comp(fit, image_noffset, &comp);
2020 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
2022 ret = fit_image_get_data(fit, image_noffset, &data, &size);
2024 #ifndef USE_HOSTCC
2025 printf("%s Data Start: ", p);
2026 if (ret)
2027 printf("unavailable\n");
2028 else
2029 printf("0x%08lx\n", (ulong)data);
2030 #endif
2032 printf("%s Data Size: ", p);
2033 if (ret)
2034 printf("unavailable\n");
2035 else
2036 genimg_print_size(size);
2038 /* Remaining, type dependent properties */
2039 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
2040 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
2041 (type == IH_TYPE_FLATDT)) {
2042 fit_image_get_arch(fit, image_noffset, &arch);
2043 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
2044 }
2046 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
2047 fit_image_get_os(fit, image_noffset, &os);
2048 printf("%s OS: %s\n", p, genimg_get_os_name(os));
2049 }
2051 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
2052 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) {
2053 ret = fit_image_get_load(fit, image_noffset, &load);
2054 printf("%s Load Address: ", p);
2055 if (ret)
2056 printf("unavailable\n");
2057 else
2058 printf("0x%08lx\n", load);
2059 }
2061 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
2062 (type == IH_TYPE_RAMDISK)) {
2063 fit_image_get_entry(fit, image_noffset, &entry);
2064 printf("%s Entry Point: ", p);
2065 if (ret)
2066 printf("unavailable\n");
2067 else
2068 printf("0x%08lx\n", entry);
2069 }
2071 /* Process all hash subnodes of the component image node */
2072 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
2073 (noffset >= 0) && (ndepth > 0);
2074 noffset = fdt_next_node(fit, noffset, &ndepth)) {
2075 if (ndepth == 1) {
2076 /* Direct child node of the component image node */
2077 fit_image_print_hash(fit, noffset, p);
2078 }
2079 }
2080 }
2082 /**
2083 * fit_image_print_hash - prints out the hash node details
2084 * @fit: pointer to the FIT format image header
2085 * @noffset: offset of the hash node
2086 * @p: pointer to prefix string
2087 *
2088 * fit_image_print_hash() lists properies for the processed hash node
2089 *
2090 * returns:
2091 * no returned results
2092 */
2093 void fit_image_print_hash(const void *fit, int noffset, const char *p)
2094 {
2095 char *algo;
2096 uint8_t *value;
2097 int value_len;
2098 int i, ret;
2100 /*
2101 * Check subnode name, must be equal to "hash".
2102 * Multiple hash nodes require unique unit node
2103 * names, e.g. hash@1, hash@2, etc.
2104 */
2105 if (strncmp(fit_get_name(fit, noffset, NULL),
2106 FIT_HASH_NODENAME,
2107 strlen(FIT_HASH_NODENAME)) != 0)
2108 return;
2110 debug("%s Hash node: '%s'\n", p,
2111 fit_get_name(fit, noffset, NULL));
2113 printf("%s Hash algo: ", p);
2114 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
2115 printf("invalid/unsupported\n");
2116 return;
2117 }
2118 printf("%s\n", algo);
2120 ret = fit_image_hash_get_value(fit, noffset, &value,
2121 &value_len);
2122 printf("%s Hash value: ", p);
2123 if (ret) {
2124 printf("unavailable\n");
2125 } else {
2126 for (i = 0; i < value_len; i++)
2127 printf("%02x", value[i]);
2128 printf("\n");
2129 }
2131 debug("%s Hash len: %d\n", p, value_len);
2132 }
2134 /**
2135 * fit_get_desc - get node description property
2136 * @fit: pointer to the FIT format image header
2137 * @noffset: node offset
2138 * @desc: double pointer to the char, will hold pointer to the descrption
2139 *
2140 * fit_get_desc() reads description property from a given node, if
2141 * description is found pointer to it is returened in third call argument.
2142 *
2143 * returns:
2144 * 0, on success
2145 * -1, on failure
2146 */
2147 int fit_get_desc(const void *fit, int noffset, char **desc)
2148 {
2149 int len;
2151 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
2152 if (*desc == NULL) {
2153 fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
2154 return -1;
2155 }
2157 return 0;
2158 }
2160 /**
2161 * fit_get_timestamp - get node timestamp property
2162 * @fit: pointer to the FIT format image header
2163 * @noffset: node offset
2164 * @timestamp: pointer to the time_t, will hold read timestamp
2165 *
2166 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp
2167 * is found and has a correct size its value is retured in third call
2168 * argument.
2169 *
2170 * returns:
2171 * 0, on success
2172 * -1, on property read failure
2173 * -2, on wrong timestamp size
2174 */
2175 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
2176 {
2177 int len;
2178 const void *data;
2180 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
2181 if (data == NULL) {
2182 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
2183 return -1;
2184 }
2185 if (len != sizeof(uint32_t)) {
2186 debug("FIT timestamp with incorrect size of (%u)\n", len);
2187 return -2;
2188 }
2190 *timestamp = uimage_to_cpu(*((uint32_t *)data));
2191 return 0;
2192 }
2194 /**
2195 * fit_image_get_node - get node offset for component image of a given unit name
2196 * @fit: pointer to the FIT format image header
2197 * @image_uname: component image node unit name
2198 *
2199 * fit_image_get_node() finds a component image (withing the '/images'
2200 * node) of a provided unit name. If image is found its node offset is
2201 * returned to the caller.
2202 *
2203 * returns:
2204 * image node offset when found (>=0)
2205 * negative number on failure (FDT_ERR_* code)
2206 */
2207 int fit_image_get_node(const void *fit, const char *image_uname)
2208 {
2209 int noffset, images_noffset;
2211 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
2212 if (images_noffset < 0) {
2213 debug("Can't find images parent node '%s' (%s)\n",
2214 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
2215 return images_noffset;
2216 }
2218 noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
2219 if (noffset < 0) {
2220 debug("Can't get node offset for image unit name: '%s' (%s)\n",
2221 image_uname, fdt_strerror(noffset));
2222 }
2224 return noffset;
2225 }
2227 /**
2228 * fit_image_get_os - get os id for a given component image node
2229 * @fit: pointer to the FIT format image header
2230 * @noffset: component image node offset
2231 * @os: pointer to the uint8_t, will hold os numeric id
2232 *
2233 * fit_image_get_os() finds os property in a given component image node.
2234 * If the property is found, its (string) value is translated to the numeric
2235 * id which is returned to the caller.
2236 *
2237 * returns:
2238 * 0, on success
2239 * -1, on failure
2240 */
2241 int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
2242 {
2243 int len;
2244 const void *data;
2246 /* Get OS name from property data */
2247 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
2248 if (data == NULL) {
2249 fit_get_debug(fit, noffset, FIT_OS_PROP, len);
2250 *os = -1;
2251 return -1;
2252 }
2254 /* Translate OS name to id */
2255 *os = genimg_get_os_id(data);
2256 return 0;
2257 }
2259 /**
2260 * fit_image_get_arch - get arch id for a given component image node
2261 * @fit: pointer to the FIT format image header
2262 * @noffset: component image node offset
2263 * @arch: pointer to the uint8_t, will hold arch numeric id
2264 *
2265 * fit_image_get_arch() finds arch property in a given component image node.
2266 * If the property is found, its (string) value is translated to the numeric
2267 * id which is returned to the caller.
2268 *
2269 * returns:
2270 * 0, on success
2271 * -1, on failure
2272 */
2273 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
2274 {
2275 int len;
2276 const void *data;
2278 /* Get architecture name from property data */
2279 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
2280 if (data == NULL) {
2281 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
2282 *arch = -1;
2283 return -1;
2284 }
2286 /* Translate architecture name to id */
2287 *arch = genimg_get_arch_id(data);
2288 return 0;
2289 }
2291 /**
2292 * fit_image_get_type - get type id for a given component image node
2293 * @fit: pointer to the FIT format image header
2294 * @noffset: component image node offset
2295 * @type: pointer to the uint8_t, will hold type numeric id
2296 *
2297 * fit_image_get_type() finds type property in a given component image node.
2298 * If the property is found, its (string) value is translated to the numeric
2299 * id which is returned to the caller.
2300 *
2301 * returns:
2302 * 0, on success
2303 * -1, on failure
2304 */
2305 int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
2306 {
2307 int len;
2308 const void *data;
2310 /* Get image type name from property data */
2311 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
2312 if (data == NULL) {
2313 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
2314 *type = -1;
2315 return -1;
2316 }
2318 /* Translate image type name to id */
2319 *type = genimg_get_type_id(data);
2320 return 0;
2321 }
2323 /**
2324 * fit_image_get_comp - get comp id for a given component image node
2325 * @fit: pointer to the FIT format image header
2326 * @noffset: component image node offset
2327 * @comp: pointer to the uint8_t, will hold comp numeric id
2328 *
2329 * fit_image_get_comp() finds comp property in a given component image node.
2330 * If the property is found, its (string) value is translated to the numeric
2331 * id which is returned to the caller.
2332 *
2333 * returns:
2334 * 0, on success
2335 * -1, on failure
2336 */
2337 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
2338 {
2339 int len;
2340 const void *data;
2342 /* Get compression name from property data */
2343 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
2344 if (data == NULL) {
2345 fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
2346 *comp = -1;
2347 return -1;
2348 }
2350 /* Translate compression name to id */
2351 *comp = genimg_get_comp_id(data);
2352 return 0;
2353 }
2355 /**
2356 * fit_image_get_load - get load address property for a given component image node
2357 * @fit: pointer to the FIT format image header
2358 * @noffset: component image node offset
2359 * @load: pointer to the uint32_t, will hold load address
2360 *
2361 * fit_image_get_load() finds load address property in a given component image node.
2362 * If the property is found, its value is returned to the caller.
2363 *
2364 * returns:
2365 * 0, on success
2366 * -1, on failure
2367 */
2368 int fit_image_get_load(const void *fit, int noffset, ulong *load)
2369 {
2370 int len;
2371 const uint32_t *data;
2373 data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len);
2374 if (data == NULL) {
2375 fit_get_debug(fit, noffset, FIT_LOAD_PROP, len);
2376 return -1;
2377 }
2379 *load = uimage_to_cpu(*data);
2380 return 0;
2381 }
2383 /**
2384 * fit_image_get_entry - get entry point address property for a given component image node
2385 * @fit: pointer to the FIT format image header
2386 * @noffset: component image node offset
2387 * @entry: pointer to the uint32_t, will hold entry point address
2388 *
2389 * fit_image_get_entry() finds entry point address property in a given component image node.
2390 * If the property is found, its value is returned to the caller.
2391 *
2392 * returns:
2393 * 0, on success
2394 * -1, on failure
2395 */
2396 int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
2397 {
2398 int len;
2399 const uint32_t *data;
2401 data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len);
2402 if (data == NULL) {
2403 fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len);
2404 return -1;
2405 }
2407 *entry = uimage_to_cpu(*data);
2408 return 0;
2409 }
2411 /**
2412 * fit_image_get_data - get data property and its size for a given component image node
2413 * @fit: pointer to the FIT format image header
2414 * @noffset: component image node offset
2415 * @data: double pointer to void, will hold data property's data address
2416 * @size: pointer to size_t, will hold data property's data size
2417 *
2418 * fit_image_get_data() finds data property in a given component image node.
2419 * If the property is found its data start address and size are returned to
2420 * the caller.
2421 *
2422 * returns:
2423 * 0, on success
2424 * -1, on failure
2425 */
2426 int fit_image_get_data(const void *fit, int noffset,
2427 const void **data, size_t *size)
2428 {
2429 int len;
2431 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
2432 if (*data == NULL) {
2433 fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
2434 *size = 0;
2435 return -1;
2436 }
2438 *size = len;
2439 return 0;
2440 }
2442 /**
2443 * fit_image_hash_get_algo - get hash algorithm name
2444 * @fit: pointer to the FIT format image header
2445 * @noffset: hash node offset
2446 * @algo: double pointer to char, will hold pointer to the algorithm name
2447 *
2448 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
2449 * If the property is found its data start address is returned to the caller.
2450 *
2451 * returns:
2452 * 0, on success
2453 * -1, on failure
2454 */
2455 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
2456 {
2457 int len;
2459 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
2460 if (*algo == NULL) {
2461 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
2462 return -1;
2463 }
2465 return 0;
2466 }
2468 /**
2469 * fit_image_hash_get_value - get hash value and length
2470 * @fit: pointer to the FIT format image header
2471 * @noffset: hash node offset
2472 * @value: double pointer to uint8_t, will hold address of a hash value data
2473 * @value_len: pointer to an int, will hold hash data length
2474 *
2475 * fit_image_hash_get_value() finds hash value property in a given hash node.
2476 * If the property is found its data start address and size are returned to
2477 * the caller.
2478 *
2479 * returns:
2480 * 0, on success
2481 * -1, on failure
2482 */
2483 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
2484 int *value_len)
2485 {
2486 int len;
2488 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
2489 if (*value == NULL) {
2490 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
2491 *value_len = 0;
2492 return -1;
2493 }
2495 *value_len = len;
2496 return 0;
2497 }
2499 /**
2500 * fit_set_timestamp - set node timestamp property
2501 * @fit: pointer to the FIT format image header
2502 * @noffset: node offset
2503 * @timestamp: timestamp value to be set
2504 *
2505 * fit_set_timestamp() attempts to set timestamp property in the requested
2506 * node and returns operation status to the caller.
2507 *
2508 * returns:
2509 * 0, on success
2510 * -1, on property read failure
2511 */
2512 int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
2513 {
2514 uint32_t t;
2515 int ret;
2517 t = cpu_to_uimage(timestamp);
2518 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
2519 sizeof(uint32_t));
2520 if (ret) {
2521 printf("Can't set '%s' property for '%s' node (%s)\n",
2522 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
2523 fdt_strerror(ret));
2524 return -1;
2525 }
2527 return 0;
2528 }
2530 /**
2531 * calculate_hash - calculate and return hash for provided input data
2532 * @data: pointer to the input data
2533 * @data_len: data length
2534 * @algo: requested hash algorithm
2535 * @value: pointer to the char, will hold hash value data (caller must
2536 * allocate enough free space)
2537 * value_len: length of the calculated hash
2538 *
2539 * calculate_hash() computes input data hash according to the requested algorithm.
2540 * Resulting hash value is placed in caller provided 'value' buffer, length
2541 * of the calculated hash is returned via value_len pointer argument.
2542 *
2543 * returns:
2544 * 0, on success
2545 * -1, when algo is unsupported
2546 */
2547 static int calculate_hash(const void *data, int data_len, const char *algo,
2548 uint8_t *value, int *value_len)
2549 {
2550 if (strcmp(algo, "crc32") == 0) {
2551 *((uint32_t *)value) = crc32_wd(0, data, data_len,
2552 CHUNKSZ_CRC32);
2553 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
2554 *value_len = 4;
2555 } else if (strcmp(algo, "sha1") == 0) {
2556 sha1_csum_wd((unsigned char *) data, data_len,
2557 (unsigned char *) value, CHUNKSZ_SHA1);
2558 *value_len = 20;
2559 } else if (strcmp(algo, "md5") == 0) {
2560 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
2561 *value_len = 16;
2562 } else {
2563 debug("Unsupported hash alogrithm\n");
2564 return -1;
2565 }
2566 return 0;
2567 }
2569 #ifdef USE_HOSTCC
2570 /**
2571 * fit_set_hashes - process FIT component image nodes and calculate hashes
2572 * @fit: pointer to the FIT format image header
2573 *
2574 * fit_set_hashes() adds hash values for all component images in the FIT blob.
2575 * Hashes are calculated for all component images which have hash subnodes
2576 * with algorithm property set to one of the supported hash algorithms.
2577 *
2578 * returns
2579 * 0, on success
2580 * libfdt error code, on failure
2581 */
2582 int fit_set_hashes(void *fit)
2583 {
2584 int images_noffset;
2585 int noffset;
2586 int ndepth;
2587 int ret;
2589 /* Find images parent node offset */
2590 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
2591 if (images_noffset < 0) {
2592 printf("Can't find images parent node '%s' (%s)\n",
2593 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
2594 return images_noffset;
2595 }
2597 /* Process its subnodes, print out component images details */
2598 for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth);
2599 (noffset >= 0) && (ndepth > 0);
2600 noffset = fdt_next_node(fit, noffset, &ndepth)) {
2601 if (ndepth == 1) {
2602 /*
2603 * Direct child node of the images parent node,
2604 * i.e. component image node.
2605 */
2606 ret = fit_image_set_hashes(fit, noffset);
2607 if (ret)
2608 return ret;
2609 }
2610 }
2612 return 0;
2613 }
2615 /**
2616 * fit_image_set_hashes - calculate/set hashes for given component image node
2617 * @fit: pointer to the FIT format image header
2618 * @image_noffset: requested component image node
2619 *
2620 * fit_image_set_hashes() adds hash values for an component image node. All
2621 * existing hash subnodes are checked, if algorithm property is set to one of
2622 * the supported hash algorithms, hash value is computed and corresponding
2623 * hash node property is set, for example:
2624 *
2625 * Input component image node structure:
2626 *
2627 * o image@1 (at image_noffset)
2628 * | - data = [binary data]
2629 * o hash@1
2630 * |- algo = "sha1"
2631 *
2632 * Output component image node structure:
2633 *
2634 * o image@1 (at image_noffset)
2635 * | - data = [binary data]
2636 * o hash@1
2637 * |- algo = "sha1"
2638 * |- value = sha1(data)
2639 *
2640 * returns:
2641 * 0 on sucess
2642 * <0 on failure
2643 */
2644 int fit_image_set_hashes(void *fit, int image_noffset)
2645 {
2646 const void *data;
2647 size_t size;
2648 char *algo;
2649 uint8_t value[FIT_MAX_HASH_LEN];
2650 int value_len;
2651 int noffset;
2652 int ndepth;
2654 /* Get image data and data length */
2655 if (fit_image_get_data(fit, image_noffset, &data, &size)) {
2656 printf("Can't get image data/size\n");
2657 return -1;
2658 }
2660 /* Process all hash subnodes of the component image node */
2661 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
2662 (noffset >= 0) && (ndepth > 0);
2663 noffset = fdt_next_node(fit, noffset, &ndepth)) {
2664 if (ndepth == 1) {
2665 /* Direct child node of the component image node */
2667 /*
2668 * Check subnode name, must be equal to "hash".
2669 * Multiple hash nodes require unique unit node
2670 * names, e.g. hash@1, hash@2, etc.
2671 */
2672 if (strncmp(fit_get_name(fit, noffset, NULL),
2673 FIT_HASH_NODENAME,
2674 strlen(FIT_HASH_NODENAME)) != 0) {
2675 /* Not a hash subnode, skip it */
2676 continue;
2677 }
2679 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
2680 printf("Can't get hash algo property for "
2681 "'%s' hash node in '%s' image node\n",
2682 fit_get_name(fit, noffset, NULL),
2683 fit_get_name(fit, image_noffset, NULL));
2684 return -1;
2685 }
2687 if (calculate_hash(data, size, algo, value,
2688 &value_len)) {
2689 printf("Unsupported hash algorithm (%s) for "
2690 "'%s' hash node in '%s' image node\n",
2691 algo, fit_get_name(fit, noffset, NULL),
2692 fit_get_name(fit, image_noffset,
2693 NULL));
2694 return -1;
2695 }
2697 if (fit_image_hash_set_value(fit, noffset, value,
2698 value_len)) {
2699 printf("Can't set hash value for "
2700 "'%s' hash node in '%s' image node\n",
2701 fit_get_name(fit, noffset, NULL),
2702 fit_get_name(fit, image_noffset, NULL));
2703 return -1;
2704 }
2705 }
2706 }
2708 return 0;
2709 }
2711 /**
2712 * fit_image_hash_set_value - set hash value in requested has node
2713 * @fit: pointer to the FIT format image header
2714 * @noffset: hash node offset
2715 * @value: hash value to be set
2716 * @value_len: hash value length
2717 *
2718 * fit_image_hash_set_value() attempts to set hash value in a node at offset
2719 * given and returns operation status to the caller.
2720 *
2721 * returns
2722 * 0, on success
2723 * -1, on failure
2724 */
2725 int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value,
2726 int value_len)
2727 {
2728 int ret;
2730 ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
2731 if (ret) {
2732 printf("Can't set hash '%s' property for '%s' node(%s)\n",
2733 FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL),
2734 fdt_strerror(ret));
2735 return -1;
2736 }
2738 return 0;
2739 }
2740 #endif /* USE_HOSTCC */
2742 /**
2743 * fit_image_check_hashes - verify data intergity
2744 * @fit: pointer to the FIT format image header
2745 * @image_noffset: component image node offset
2746 *
2747 * fit_image_check_hashes() goes over component image hash nodes,
2748 * re-calculates each data hash and compares with the value stored in hash
2749 * node.
2750 *
2751 * returns:
2752 * 1, if all hashes are valid
2753 * 0, otherwise (or on error)
2754 */
2755 int fit_image_check_hashes(const void *fit, int image_noffset)
2756 {
2757 const void *data;
2758 size_t size;
2759 char *algo;
2760 uint8_t *fit_value;
2761 int fit_value_len;
2762 uint8_t value[FIT_MAX_HASH_LEN];
2763 int value_len;
2764 int noffset;
2765 int ndepth;
2766 char *err_msg = "";
2768 /* Get image data and data length */
2769 if (fit_image_get_data(fit, image_noffset, &data, &size)) {
2770 printf("Can't get image data/size\n");
2771 return 0;
2772 }
2774 /* Process all hash subnodes of the component image node */
2775 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
2776 (noffset >= 0) && (ndepth > 0);
2777 noffset = fdt_next_node(fit, noffset, &ndepth)) {
2778 if (ndepth == 1) {
2779 /* Direct child node of the component image node */
2781 /*
2782 * Check subnode name, must be equal to "hash".
2783 * Multiple hash nodes require unique unit node
2784 * names, e.g. hash@1, hash@2, etc.
2785 */
2786 if (strncmp(fit_get_name(fit, noffset, NULL),
2787 FIT_HASH_NODENAME,
2788 strlen(FIT_HASH_NODENAME)) != 0)
2789 continue;
2791 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
2792 err_msg = " error!\nCan't get hash algo "
2793 "property";
2794 goto error;
2795 }
2796 printf("%s", algo);
2798 if (fit_image_hash_get_value(fit, noffset, &fit_value,
2799 &fit_value_len)) {
2800 err_msg = " error!\nCan't get hash value "
2801 "property";
2802 goto error;
2803 }
2805 if (calculate_hash(data, size, algo, value,
2806 &value_len)) {
2807 err_msg = " error!\n"
2808 "Unsupported hash algorithm";
2809 goto error;
2810 }
2812 if (value_len != fit_value_len) {
2813 err_msg = " error !\nBad hash value len";
2814 goto error;
2815 } else if (memcmp(value, fit_value, value_len) != 0) {
2816 err_msg = " error!\nBad hash value";
2817 goto error;
2818 }
2819 printf("+ ");
2820 }
2821 }
2823 return 1;
2825 error:
2826 printf("%s for '%s' hash node in '%s' image node\n",
2827 err_msg, fit_get_name(fit, noffset, NULL),
2828 fit_get_name(fit, image_noffset, NULL));
2829 return 0;
2830 }
2832 /**
2833 * fit_all_image_check_hashes - verify data intergity for all images
2834 * @fit: pointer to the FIT format image header
2835 *
2836 * fit_all_image_check_hashes() goes over all images in the FIT and
2837 * for every images checks if all it's hashes are valid.
2838 *
2839 * returns:
2840 * 1, if all hashes of all images are valid
2841 * 0, otherwise (or on error)
2842 */
2843 int fit_all_image_check_hashes(const void *fit)
2844 {
2845 int images_noffset;
2846 int noffset;
2847 int ndepth;
2848 int count;
2850 /* Find images parent node offset */
2851 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
2852 if (images_noffset < 0) {
2853 printf("Can't find images parent node '%s' (%s)\n",
2854 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
2855 return 0;
2856 }
2858 /* Process all image subnodes, check hashes for each */
2859 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
2860 (ulong)fit);
2861 for (ndepth = 0, count = 0,
2862 noffset = fdt_next_node(fit, images_noffset, &ndepth);
2863 (noffset >= 0) && (ndepth > 0);
2864 noffset = fdt_next_node(fit, noffset, &ndepth)) {
2865 if (ndepth == 1) {
2866 /*
2867 * Direct child node of the images parent node,
2868 * i.e. component image node.
2869 */
2870 printf(" Hash(es) for Image %u (%s): ", count++,
2871 fit_get_name(fit, noffset, NULL));
2873 if (!fit_image_check_hashes(fit, noffset))
2874 return 0;
2875 printf("\n");
2876 }
2877 }
2878 return 1;
2879 }
2881 /**
2882 * fit_image_check_os - check whether image node is of a given os type
2883 * @fit: pointer to the FIT format image header
2884 * @noffset: component image node offset
2885 * @os: requested image os
2886 *
2887 * fit_image_check_os() reads image os property and compares its numeric
2888 * id with the requested os. Comparison result is returned to the caller.
2889 *
2890 * returns:
2891 * 1 if image is of given os type
2892 * 0 otherwise (or on error)
2893 */
2894 int fit_image_check_os(const void *fit, int noffset, uint8_t os)
2895 {
2896 uint8_t image_os;
2898 if (fit_image_get_os(fit, noffset, &image_os))
2899 return 0;
2900 return (os == image_os);
2901 }
2903 /**
2904 * fit_image_check_arch - check whether image node is of a given arch
2905 * @fit: pointer to the FIT format image header
2906 * @noffset: component image node offset
2907 * @arch: requested imagearch
2908 *
2909 * fit_image_check_arch() reads image arch property and compares its numeric
2910 * id with the requested arch. Comparison result is returned to the caller.
2911 *
2912 * returns:
2913 * 1 if image is of given arch
2914 * 0 otherwise (or on error)
2915 */
2916 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
2917 {
2918 uint8_t image_arch;
2920 if (fit_image_get_arch(fit, noffset, &image_arch))
2921 return 0;
2922 return (arch == image_arch);
2923 }
2925 /**
2926 * fit_image_check_type - check whether image node is of a given type
2927 * @fit: pointer to the FIT format image header
2928 * @noffset: component image node offset
2929 * @type: requested image type
2930 *
2931 * fit_image_check_type() reads image type property and compares its numeric
2932 * id with the requested type. Comparison result is returned to the caller.
2933 *
2934 * returns:
2935 * 1 if image is of given type
2936 * 0 otherwise (or on error)
2937 */
2938 int fit_image_check_type(const void *fit, int noffset, uint8_t type)
2939 {
2940 uint8_t image_type;
2942 if (fit_image_get_type(fit, noffset, &image_type))
2943 return 0;
2944 return (type == image_type);
2945 }
2947 /**
2948 * fit_image_check_comp - check whether image node uses given compression
2949 * @fit: pointer to the FIT format image header
2950 * @noffset: component image node offset
2951 * @comp: requested image compression type
2952 *
2953 * fit_image_check_comp() reads image compression property and compares its
2954 * numeric id with the requested compression type. Comparison result is
2955 * returned to the caller.
2956 *
2957 * returns:
2958 * 1 if image uses requested compression
2959 * 0 otherwise (or on error)
2960 */
2961 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
2962 {
2963 uint8_t image_comp;
2965 if (fit_image_get_comp(fit, noffset, &image_comp))
2966 return 0;
2967 return (comp == image_comp);
2968 }
2970 /**
2971 * fit_check_format - sanity check FIT image format
2972 * @fit: pointer to the FIT format image header
2973 *
2974 * fit_check_format() runs a basic sanity FIT image verification.
2975 * Routine checks for mandatory properties, nodes, etc.
2976 *
2977 * returns:
2978 * 1, on success
2979 * 0, on failure
2980 */
2981 int fit_check_format(const void *fit)
2982 {
2983 /* mandatory / node 'description' property */
2984 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
2985 debug("Wrong FIT format: no description\n");
2986 return 0;
2987 }
2989 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
2990 /* mandatory / node 'timestamp' property */
2991 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
2992 debug("Wrong FIT format: no timestamp\n");
2993 return 0;
2994 }
2995 #endif
2997 /* mandatory subimages parent '/images' node */
2998 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
2999 debug("Wrong FIT format: no images parent node\n");
3000 return 0;
3001 }
3003 return 1;
3004 }
3006 /**
3007 * fit_conf_get_node - get node offset for configuration of a given unit name
3008 * @fit: pointer to the FIT format image header
3009 * @conf_uname: configuration node unit name
3010 *
3011 * fit_conf_get_node() finds a configuration (withing the '/configurations'
3012 * parant node) of a provided unit name. If configuration is found its node offset
3013 * is returned to the caller.
3014 *
3015 * When NULL is provided in second argument fit_conf_get_node() will search
3016 * for a default configuration node instead. Default configuration node unit name
3017 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node.
3018 *
3019 * returns:
3020 * configuration node offset when found (>=0)
3021 * negative number on failure (FDT_ERR_* code)
3022 */
3023 int fit_conf_get_node(const void *fit, const char *conf_uname)
3024 {
3025 int noffset, confs_noffset;
3026 int len;
3028 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
3029 if (confs_noffset < 0) {
3030 debug("Can't find configurations parent node '%s' (%s)\n",
3031 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
3032 return confs_noffset;
3033 }
3035 if (conf_uname == NULL) {
3036 /* get configuration unit name from the default property */
3037 debug("No configuration specified, trying default...\n");
3038 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
3039 FIT_DEFAULT_PROP, &len);
3040 if (conf_uname == NULL) {
3041 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
3042 len);
3043 return len;
3044 }
3045 debug("Found default configuration: '%s'\n", conf_uname);
3046 }
3048 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
3049 if (noffset < 0) {
3050 debug("Can't get node offset for configuration unit name: "
3051 "'%s' (%s)\n",
3052 conf_uname, fdt_strerror(noffset));
3053 }
3055 return noffset;
3056 }
3058 static int __fit_conf_get_prop_node(const void *fit, int noffset,
3059 const char *prop_name)
3060 {
3061 char *uname;
3062 int len;
3064 /* get kernel image unit name from configuration kernel property */
3065 uname = (char *)fdt_getprop(fit, noffset, prop_name, &len);
3066 if (uname == NULL)
3067 return len;
3069 return fit_image_get_node(fit, uname);
3070 }
3072 /**
3073 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to
3074 * a given configuration
3075 * @fit: pointer to the FIT format image header
3076 * @noffset: configuration node offset
3077 *
3078 * fit_conf_get_kernel_node() retrives kernel image node unit name from
3079 * configuration FIT_KERNEL_PROP property and translates it to the node
3080 * offset.
3081 *
3082 * returns:
3083 * image node offset when found (>=0)
3084 * negative number on failure (FDT_ERR_* code)
3085 */
3086 int fit_conf_get_kernel_node(const void *fit, int noffset)
3087 {
3088 return __fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP);
3089 }
3091 /**
3092 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to
3093 * a given configuration
3094 * @fit: pointer to the FIT format image header
3095 * @noffset: configuration node offset
3096 *
3097 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from
3098 * configuration FIT_KERNEL_PROP property and translates it to the node
3099 * offset.
3100 *
3101 * returns:
3102 * image node offset when found (>=0)
3103 * negative number on failure (FDT_ERR_* code)
3104 */
3105 int fit_conf_get_ramdisk_node(const void *fit, int noffset)
3106 {
3107 return __fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP);
3108 }
3110 /**
3111 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to
3112 * a given configuration
3113 * @fit: pointer to the FIT format image header
3114 * @noffset: configuration node offset
3115 *
3116 * fit_conf_get_fdt_node() retrives fdt image node unit name from
3117 * configuration FIT_KERNEL_PROP property and translates it to the node
3118 * offset.
3119 *
3120 * returns:
3121 * image node offset when found (>=0)
3122 * negative number on failure (FDT_ERR_* code)
3123 */
3124 int fit_conf_get_fdt_node(const void *fit, int noffset)
3125 {
3126 return __fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP);
3127 }
3129 /**
3130 * fit_conf_print - prints out the FIT configuration details
3131 * @fit: pointer to the FIT format image header
3132 * @noffset: offset of the configuration node
3133 * @p: pointer to prefix string
3134 *
3135 * fit_conf_print() lists all mandatory properies for the processed
3136 * configuration node.
3137 *
3138 * returns:
3139 * no returned results
3140 */
3141 void fit_conf_print(const void *fit, int noffset, const char *p)
3142 {
3143 char *desc;
3144 char *uname;
3145 int ret;
3147 /* Mandatory properties */
3148 ret = fit_get_desc(fit, noffset, &desc);
3149 printf("%s Description: ", p);
3150 if (ret)
3151 printf("unavailable\n");
3152 else
3153 printf("%s\n", desc);
3155 uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
3156 printf("%s Kernel: ", p);
3157 if (uname == NULL)
3158 printf("unavailable\n");
3159 else
3160 printf("%s\n", uname);
3162 /* Optional properties */
3163 uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
3164 if (uname)
3165 printf("%s Init Ramdisk: %s\n", p, uname);
3167 uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL);
3168 if (uname)
3169 printf("%s FDT: %s\n", p, uname);
3170 }
3172 /**
3173 * fit_check_ramdisk - verify FIT format ramdisk subimage
3174 * @fit_hdr: pointer to the FIT ramdisk header
3175 * @rd_noffset: ramdisk subimage node offset within FIT image
3176 * @arch: requested ramdisk image architecture type
3177 * @verify: data CRC verification flag
3178 *
3179 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from
3180 * specified FIT image.
3181 *
3182 * returns:
3183 * 1, on success
3184 * 0, on failure
3185 */
3186 #ifndef USE_HOSTCC
3187 static int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch,
3188 int verify)
3189 {
3190 fit_image_print(fit, rd_noffset, " ");
3192 if (verify) {
3193 puts(" Verifying Hash Integrity ... ");
3194 if (!fit_image_check_hashes(fit, rd_noffset)) {
3195 puts("Bad Data Hash\n");
3196 bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH);
3197 return 0;
3198 }
3199 puts("OK\n");
3200 }
3202 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL);
3203 if (!fit_image_check_os(fit, rd_noffset, IH_OS_LINUX) ||
3204 !fit_image_check_arch(fit, rd_noffset, arch) ||
3205 !fit_image_check_type(fit, rd_noffset, IH_TYPE_RAMDISK)) {
3206 printf("No Linux %s Ramdisk Image\n",
3207 genimg_get_arch_name(arch));
3208 bootstage_error(BOOTSTAGE_ID_FIT_RD_CHECK_ALL);
3209 return 0;
3210 }
3212 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK);
3213 return 1;
3214 }
3215 #endif /* USE_HOSTCC */
3216 #endif /* CONFIG_FIT */