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[people/ms/u-boot.git] / common / image.c
1 /*
2 * (C) Copyright 2008 Semihalf
3 *
4 * (C) Copyright 2000-2006
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10 #ifndef USE_HOSTCC
11 #include <common.h>
12 #include <watchdog.h>
13
14 #ifdef CONFIG_SHOW_BOOT_PROGRESS
15 #include <status_led.h>
16 #endif
17
18 #ifdef CONFIG_HAS_DATAFLASH
19 #include <dataflash.h>
20 #endif
21
22 #ifdef CONFIG_LOGBUFFER
23 #include <logbuff.h>
24 #endif
25
26 #include <rtc.h>
27
28 #include <environment.h>
29 #include <image.h>
30
31 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
32 #include <libfdt.h>
33 #include <fdt_support.h>
34 #endif
35
36 #include <u-boot/md5.h>
37 #include <sha1.h>
38 #include <asm/errno.h>
39 #include <asm/io.h>
40
41 #ifdef CONFIG_CMD_BDI
42 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
43 #endif
44
45 DECLARE_GLOBAL_DATA_PTR;
46
47 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
48 int verify);
49 #else
50 #include "mkimage.h"
51 #include <u-boot/md5.h>
52 #include <time.h>
53 #include <image.h>
54 #endif /* !USE_HOSTCC*/
55
56 #include <u-boot/crc.h>
57
58 #ifndef CONFIG_SYS_BARGSIZE
59 #define CONFIG_SYS_BARGSIZE 512
60 #endif
61
62 static const table_entry_t uimage_arch[] = {
63 { IH_ARCH_INVALID, NULL, "Invalid ARCH", },
64 { IH_ARCH_ALPHA, "alpha", "Alpha", },
65 { IH_ARCH_ARM, "arm", "ARM", },
66 { IH_ARCH_I386, "x86", "Intel x86", },
67 { IH_ARCH_IA64, "ia64", "IA64", },
68 { IH_ARCH_M68K, "m68k", "M68K", },
69 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", },
70 { IH_ARCH_MIPS, "mips", "MIPS", },
71 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", },
72 { IH_ARCH_NIOS2, "nios2", "NIOS II", },
73 { IH_ARCH_PPC, "powerpc", "PowerPC", },
74 { IH_ARCH_PPC, "ppc", "PowerPC", },
75 { IH_ARCH_S390, "s390", "IBM S390", },
76 { IH_ARCH_SH, "sh", "SuperH", },
77 { IH_ARCH_SPARC, "sparc", "SPARC", },
78 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", },
79 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", },
80 { IH_ARCH_AVR32, "avr32", "AVR32", },
81 { IH_ARCH_NDS32, "nds32", "NDS32", },
82 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",},
83 { IH_ARCH_SANDBOX, "sandbox", "Sandbox", },
84 { IH_ARCH_ARM64, "arm64", "AArch64", },
85 { IH_ARCH_ARC, "arc", "ARC", },
86 { -1, "", "", },
87 };
88
89 static const table_entry_t uimage_os[] = {
90 { IH_OS_INVALID, NULL, "Invalid OS", },
91 { IH_OS_LINUX, "linux", "Linux", },
92 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
93 { IH_OS_LYNXOS, "lynxos", "LynxOS", },
94 #endif
95 { IH_OS_NETBSD, "netbsd", "NetBSD", },
96 { IH_OS_OSE, "ose", "Enea OSE", },
97 { IH_OS_PLAN9, "plan9", "Plan 9", },
98 { IH_OS_RTEMS, "rtems", "RTEMS", },
99 { IH_OS_U_BOOT, "u-boot", "U-Boot", },
100 { IH_OS_VXWORKS, "vxworks", "VxWorks", },
101 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
102 { IH_OS_QNX, "qnx", "QNX", },
103 #endif
104 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
105 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", },
106 #endif
107 #ifdef USE_HOSTCC
108 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
109 { IH_OS_DELL, "dell", "Dell", },
110 { IH_OS_ESIX, "esix", "Esix", },
111 { IH_OS_FREEBSD, "freebsd", "FreeBSD", },
112 { IH_OS_IRIX, "irix", "Irix", },
113 { IH_OS_NCR, "ncr", "NCR", },
114 { IH_OS_OPENBSD, "openbsd", "OpenBSD", },
115 { IH_OS_PSOS, "psos", "pSOS", },
116 { IH_OS_SCO, "sco", "SCO", },
117 { IH_OS_SOLARIS, "solaris", "Solaris", },
118 { IH_OS_SVR4, "svr4", "SVR4", },
119 #endif
120 { -1, "", "", },
121 };
122
123 static const table_entry_t uimage_type[] = {
124 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",},
125 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
126 { IH_TYPE_FIRMWARE, "firmware", "Firmware", },
127 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", },
128 { IH_TYPE_GPIMAGE, "gpimage", "TI Keystone SPL Image",},
129 { IH_TYPE_KERNEL, "kernel", "Kernel Image", },
130 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", },
131 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",},
132 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",},
133 { IH_TYPE_INVALID, NULL, "Invalid Image", },
134 { IH_TYPE_MULTI, "multi", "Multi-File Image", },
135 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",},
136 { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",},
137 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
138 { IH_TYPE_SCRIPT, "script", "Script", },
139 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
140 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",},
141 { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",},
142 { IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
143 { -1, "", "", },
144 };
145
146 static const table_entry_t uimage_comp[] = {
147 { IH_COMP_NONE, "none", "uncompressed", },
148 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
149 { IH_COMP_GZIP, "gzip", "gzip compressed", },
150 { IH_COMP_LZMA, "lzma", "lzma compressed", },
151 { IH_COMP_LZO, "lzo", "lzo compressed", },
152 { -1, "", "", },
153 };
154
155 /*****************************************************************************/
156 /* Legacy format routines */
157 /*****************************************************************************/
158 int image_check_hcrc(const image_header_t *hdr)
159 {
160 ulong hcrc;
161 ulong len = image_get_header_size();
162 image_header_t header;
163
164 /* Copy header so we can blank CRC field for re-calculation */
165 memmove(&header, (char *)hdr, image_get_header_size());
166 image_set_hcrc(&header, 0);
167
168 hcrc = crc32(0, (unsigned char *)&header, len);
169
170 return (hcrc == image_get_hcrc(hdr));
171 }
172
173 int image_check_dcrc(const image_header_t *hdr)
174 {
175 ulong data = image_get_data(hdr);
176 ulong len = image_get_data_size(hdr);
177 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
178
179 return (dcrc == image_get_dcrc(hdr));
180 }
181
182 /**
183 * image_multi_count - get component (sub-image) count
184 * @hdr: pointer to the header of the multi component image
185 *
186 * image_multi_count() returns number of components in a multi
187 * component image.
188 *
189 * Note: no checking of the image type is done, caller must pass
190 * a valid multi component image.
191 *
192 * returns:
193 * number of components
194 */
195 ulong image_multi_count(const image_header_t *hdr)
196 {
197 ulong i, count = 0;
198 uint32_t *size;
199
200 /* get start of the image payload, which in case of multi
201 * component images that points to a table of component sizes */
202 size = (uint32_t *)image_get_data(hdr);
203
204 /* count non empty slots */
205 for (i = 0; size[i]; ++i)
206 count++;
207
208 return count;
209 }
210
211 /**
212 * image_multi_getimg - get component data address and size
213 * @hdr: pointer to the header of the multi component image
214 * @idx: index of the requested component
215 * @data: pointer to a ulong variable, will hold component data address
216 * @len: pointer to a ulong variable, will hold component size
217 *
218 * image_multi_getimg() returns size and data address for the requested
219 * component in a multi component image.
220 *
221 * Note: no checking of the image type is done, caller must pass
222 * a valid multi component image.
223 *
224 * returns:
225 * data address and size of the component, if idx is valid
226 * 0 in data and len, if idx is out of range
227 */
228 void image_multi_getimg(const image_header_t *hdr, ulong idx,
229 ulong *data, ulong *len)
230 {
231 int i;
232 uint32_t *size;
233 ulong offset, count, img_data;
234
235 /* get number of component */
236 count = image_multi_count(hdr);
237
238 /* get start of the image payload, which in case of multi
239 * component images that points to a table of component sizes */
240 size = (uint32_t *)image_get_data(hdr);
241
242 /* get address of the proper component data start, which means
243 * skipping sizes table (add 1 for last, null entry) */
244 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
245
246 if (idx < count) {
247 *len = uimage_to_cpu(size[idx]);
248 offset = 0;
249
250 /* go over all indices preceding requested component idx */
251 for (i = 0; i < idx; i++) {
252 /* add up i-th component size, rounding up to 4 bytes */
253 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
254 }
255
256 /* calculate idx-th component data address */
257 *data = img_data + offset;
258 } else {
259 *len = 0;
260 *data = 0;
261 }
262 }
263
264 static void image_print_type(const image_header_t *hdr)
265 {
266 const char *os, *arch, *type, *comp;
267
268 os = genimg_get_os_name(image_get_os(hdr));
269 arch = genimg_get_arch_name(image_get_arch(hdr));
270 type = genimg_get_type_name(image_get_type(hdr));
271 comp = genimg_get_comp_name(image_get_comp(hdr));
272
273 printf("%s %s %s (%s)\n", arch, os, type, comp);
274 }
275
276 /**
277 * image_print_contents - prints out the contents of the legacy format image
278 * @ptr: pointer to the legacy format image header
279 * @p: pointer to prefix string
280 *
281 * image_print_contents() formats a multi line legacy image contents description.
282 * The routine prints out all header fields followed by the size/offset data
283 * for MULTI/SCRIPT images.
284 *
285 * returns:
286 * no returned results
287 */
288 void image_print_contents(const void *ptr)
289 {
290 const image_header_t *hdr = (const image_header_t *)ptr;
291 const char *p;
292
293 p = IMAGE_INDENT_STRING;
294 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr));
295 if (IMAGE_ENABLE_TIMESTAMP) {
296 printf("%sCreated: ", p);
297 genimg_print_time((time_t)image_get_time(hdr));
298 }
299 printf("%sImage Type: ", p);
300 image_print_type(hdr);
301 printf("%sData Size: ", p);
302 genimg_print_size(image_get_data_size(hdr));
303 printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
304 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr));
305
306 if (image_check_type(hdr, IH_TYPE_MULTI) ||
307 image_check_type(hdr, IH_TYPE_SCRIPT)) {
308 int i;
309 ulong data, len;
310 ulong count = image_multi_count(hdr);
311
312 printf("%sContents:\n", p);
313 for (i = 0; i < count; i++) {
314 image_multi_getimg(hdr, i, &data, &len);
315
316 printf("%s Image %d: ", p, i);
317 genimg_print_size(len);
318
319 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
320 /*
321 * the user may need to know offsets
322 * if planning to do something with
323 * multiple files
324 */
325 printf("%s Offset = 0x%08lx\n", p, data);
326 }
327 }
328 }
329 }
330
331
332 #ifndef USE_HOSTCC
333 /**
334 * image_get_ramdisk - get and verify ramdisk image
335 * @rd_addr: ramdisk image start address
336 * @arch: expected ramdisk architecture
337 * @verify: checksum verification flag
338 *
339 * image_get_ramdisk() returns a pointer to the verified ramdisk image
340 * header. Routine receives image start address and expected architecture
341 * flag. Verification done covers data and header integrity and os/type/arch
342 * fields checking.
343 *
344 * If dataflash support is enabled routine checks for dataflash addresses
345 * and handles required dataflash reads.
346 *
347 * returns:
348 * pointer to a ramdisk image header, if image was found and valid
349 * otherwise, return NULL
350 */
351 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
352 int verify)
353 {
354 const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
355
356 if (!image_check_magic(rd_hdr)) {
357 puts("Bad Magic Number\n");
358 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
359 return NULL;
360 }
361
362 if (!image_check_hcrc(rd_hdr)) {
363 puts("Bad Header Checksum\n");
364 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
365 return NULL;
366 }
367
368 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
369 image_print_contents(rd_hdr);
370
371 if (verify) {
372 puts(" Verifying Checksum ... ");
373 if (!image_check_dcrc(rd_hdr)) {
374 puts("Bad Data CRC\n");
375 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
376 return NULL;
377 }
378 puts("OK\n");
379 }
380
381 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
382
383 if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
384 !image_check_arch(rd_hdr, arch) ||
385 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
386 printf("No Linux %s Ramdisk Image\n",
387 genimg_get_arch_name(arch));
388 bootstage_error(BOOTSTAGE_ID_RAMDISK);
389 return NULL;
390 }
391
392 return rd_hdr;
393 }
394 #endif /* !USE_HOSTCC */
395
396 /*****************************************************************************/
397 /* Shared dual-format routines */
398 /*****************************************************************************/
399 #ifndef USE_HOSTCC
400 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
401 ulong save_addr; /* Default Save Address */
402 ulong save_size; /* Default Save Size (in bytes) */
403
404 static int on_loadaddr(const char *name, const char *value, enum env_op op,
405 int flags)
406 {
407 switch (op) {
408 case env_op_create:
409 case env_op_overwrite:
410 load_addr = simple_strtoul(value, NULL, 16);
411 break;
412 default:
413 break;
414 }
415
416 return 0;
417 }
418 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
419
420 ulong getenv_bootm_low(void)
421 {
422 char *s = getenv("bootm_low");
423 if (s) {
424 ulong tmp = simple_strtoul(s, NULL, 16);
425 return tmp;
426 }
427
428 #if defined(CONFIG_SYS_SDRAM_BASE)
429 return CONFIG_SYS_SDRAM_BASE;
430 #elif defined(CONFIG_ARM)
431 return gd->bd->bi_dram[0].start;
432 #else
433 return 0;
434 #endif
435 }
436
437 phys_size_t getenv_bootm_size(void)
438 {
439 phys_size_t tmp;
440 char *s = getenv("bootm_size");
441 if (s) {
442 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
443 return tmp;
444 }
445 s = getenv("bootm_low");
446 if (s)
447 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
448 else
449 tmp = 0;
450
451
452 #if defined(CONFIG_ARM)
453 return gd->bd->bi_dram[0].size - tmp;
454 #else
455 return gd->bd->bi_memsize - tmp;
456 #endif
457 }
458
459 phys_size_t getenv_bootm_mapsize(void)
460 {
461 phys_size_t tmp;
462 char *s = getenv("bootm_mapsize");
463 if (s) {
464 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
465 return tmp;
466 }
467
468 #if defined(CONFIG_SYS_BOOTMAPSZ)
469 return CONFIG_SYS_BOOTMAPSZ;
470 #else
471 return getenv_bootm_size();
472 #endif
473 }
474
475 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
476 {
477 if (to == from)
478 return;
479
480 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
481 while (len > 0) {
482 size_t tail = (len > chunksz) ? chunksz : len;
483 WATCHDOG_RESET();
484 memmove(to, from, tail);
485 to += tail;
486 from += tail;
487 len -= tail;
488 }
489 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
490 memmove(to, from, len);
491 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
492 }
493 #endif /* !USE_HOSTCC */
494
495 void genimg_print_size(uint32_t size)
496 {
497 #ifndef USE_HOSTCC
498 printf("%d Bytes = ", size);
499 print_size(size, "\n");
500 #else
501 printf("%d Bytes = %.2f kB = %.2f MB\n",
502 size, (double)size / 1.024e3,
503 (double)size / 1.048576e6);
504 #endif
505 }
506
507 #if IMAGE_ENABLE_TIMESTAMP
508 void genimg_print_time(time_t timestamp)
509 {
510 #ifndef USE_HOSTCC
511 struct rtc_time tm;
512
513 to_tm(timestamp, &tm);
514 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
515 tm.tm_year, tm.tm_mon, tm.tm_mday,
516 tm.tm_hour, tm.tm_min, tm.tm_sec);
517 #else
518 printf("%s", ctime(&timestamp));
519 #endif
520 }
521 #endif
522
523 /**
524 * get_table_entry_name - translate entry id to long name
525 * @table: pointer to a translation table for entries of a specific type
526 * @msg: message to be returned when translation fails
527 * @id: entry id to be translated
528 *
529 * get_table_entry_name() will go over translation table trying to find
530 * entry that matches given id. If matching entry is found, its long
531 * name is returned to the caller.
532 *
533 * returns:
534 * long entry name if translation succeeds
535 * msg otherwise
536 */
537 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
538 {
539 for (; table->id >= 0; ++table) {
540 if (table->id == id)
541 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
542 return table->lname;
543 #else
544 return table->lname + gd->reloc_off;
545 #endif
546 }
547 return (msg);
548 }
549
550 const char *genimg_get_os_name(uint8_t os)
551 {
552 return (get_table_entry_name(uimage_os, "Unknown OS", os));
553 }
554
555 const char *genimg_get_arch_name(uint8_t arch)
556 {
557 return (get_table_entry_name(uimage_arch, "Unknown Architecture",
558 arch));
559 }
560
561 const char *genimg_get_type_name(uint8_t type)
562 {
563 return (get_table_entry_name(uimage_type, "Unknown Image", type));
564 }
565
566 const char *genimg_get_comp_name(uint8_t comp)
567 {
568 return (get_table_entry_name(uimage_comp, "Unknown Compression",
569 comp));
570 }
571
572 /**
573 * get_table_entry_id - translate short entry name to id
574 * @table: pointer to a translation table for entries of a specific type
575 * @table_name: to be used in case of error
576 * @name: entry short name to be translated
577 *
578 * get_table_entry_id() will go over translation table trying to find
579 * entry that matches given short name. If matching entry is found,
580 * its id returned to the caller.
581 *
582 * returns:
583 * entry id if translation succeeds
584 * -1 otherwise
585 */
586 int get_table_entry_id(const table_entry_t *table,
587 const char *table_name, const char *name)
588 {
589 const table_entry_t *t;
590 #ifdef USE_HOSTCC
591 int first = 1;
592
593 for (t = table; t->id >= 0; ++t) {
594 if (t->sname && strcasecmp(t->sname, name) == 0)
595 return(t->id);
596 }
597
598 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name);
599 for (t = table; t->id >= 0; ++t) {
600 if (t->sname == NULL)
601 continue;
602 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname);
603 first = 0;
604 }
605 fprintf(stderr, "\n");
606 #else
607 for (t = table; t->id >= 0; ++t) {
608 #ifdef CONFIG_NEEDS_MANUAL_RELOC
609 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0)
610 #else
611 if (t->sname && strcmp(t->sname, name) == 0)
612 #endif
613 return (t->id);
614 }
615 debug("Invalid %s Type: %s\n", table_name, name);
616 #endif /* USE_HOSTCC */
617 return (-1);
618 }
619
620 int genimg_get_os_id(const char *name)
621 {
622 return (get_table_entry_id(uimage_os, "OS", name));
623 }
624
625 int genimg_get_arch_id(const char *name)
626 {
627 return (get_table_entry_id(uimage_arch, "CPU", name));
628 }
629
630 int genimg_get_type_id(const char *name)
631 {
632 return (get_table_entry_id(uimage_type, "Image", name));
633 }
634
635 int genimg_get_comp_id(const char *name)
636 {
637 return (get_table_entry_id(uimage_comp, "Compression", name));
638 }
639
640 #ifndef USE_HOSTCC
641 /**
642 * genimg_get_format - get image format type
643 * @img_addr: image start address
644 *
645 * genimg_get_format() checks whether provided address points to a valid
646 * legacy or FIT image.
647 *
648 * New uImage format and FDT blob are based on a libfdt. FDT blob
649 * may be passed directly or embedded in a FIT image. In both situations
650 * genimg_get_format() must be able to dectect libfdt header.
651 *
652 * returns:
653 * image format type or IMAGE_FORMAT_INVALID if no image is present
654 */
655 int genimg_get_format(const void *img_addr)
656 {
657 ulong format = IMAGE_FORMAT_INVALID;
658 const image_header_t *hdr;
659
660 hdr = (const image_header_t *)img_addr;
661 if (image_check_magic(hdr))
662 format = IMAGE_FORMAT_LEGACY;
663 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
664 else if (fdt_check_header(img_addr) == 0)
665 format = IMAGE_FORMAT_FIT;
666 #endif
667 #ifdef CONFIG_ANDROID_BOOT_IMAGE
668 else if (android_image_check_header(img_addr) == 0)
669 format = IMAGE_FORMAT_ANDROID;
670 #endif
671
672 return format;
673 }
674
675 /**
676 * genimg_get_image - get image from special storage (if necessary)
677 * @img_addr: image start address
678 *
679 * genimg_get_image() checks if provided image start adddress is located
680 * in a dataflash storage. If so, image is moved to a system RAM memory.
681 *
682 * returns:
683 * image start address after possible relocation from special storage
684 */
685 ulong genimg_get_image(ulong img_addr)
686 {
687 ulong ram_addr = img_addr;
688
689 #ifdef CONFIG_HAS_DATAFLASH
690 ulong h_size, d_size;
691
692 if (addr_dataflash(img_addr)) {
693 void *buf;
694
695 /* ger RAM address */
696 ram_addr = CONFIG_SYS_LOAD_ADDR;
697
698 /* get header size */
699 h_size = image_get_header_size();
700 #if defined(CONFIG_FIT)
701 if (sizeof(struct fdt_header) > h_size)
702 h_size = sizeof(struct fdt_header);
703 #endif
704
705 /* read in header */
706 debug(" Reading image header from dataflash address "
707 "%08lx to RAM address %08lx\n", img_addr, ram_addr);
708
709 buf = map_sysmem(ram_addr, 0);
710 read_dataflash(img_addr, h_size, buf);
711
712 /* get data size */
713 switch (genimg_get_format(buf)) {
714 case IMAGE_FORMAT_LEGACY:
715 d_size = image_get_data_size(buf);
716 debug(" Legacy format image found at 0x%08lx, "
717 "size 0x%08lx\n",
718 ram_addr, d_size);
719 break;
720 #if defined(CONFIG_FIT)
721 case IMAGE_FORMAT_FIT:
722 d_size = fit_get_size(buf) - h_size;
723 debug(" FIT/FDT format image found at 0x%08lx, "
724 "size 0x%08lx\n",
725 ram_addr, d_size);
726 break;
727 #endif
728 default:
729 printf(" No valid image found at 0x%08lx\n",
730 img_addr);
731 return ram_addr;
732 }
733
734 /* read in image data */
735 debug(" Reading image remaining data from dataflash address "
736 "%08lx to RAM address %08lx\n", img_addr + h_size,
737 ram_addr + h_size);
738
739 read_dataflash(img_addr + h_size, d_size,
740 (char *)(buf + h_size));
741
742 }
743 #endif /* CONFIG_HAS_DATAFLASH */
744
745 return ram_addr;
746 }
747
748 /**
749 * fit_has_config - check if there is a valid FIT configuration
750 * @images: pointer to the bootm command headers structure
751 *
752 * fit_has_config() checks if there is a FIT configuration in use
753 * (if FTI support is present).
754 *
755 * returns:
756 * 0, no FIT support or no configuration found
757 * 1, configuration found
758 */
759 int genimg_has_config(bootm_headers_t *images)
760 {
761 #if defined(CONFIG_FIT)
762 if (images->fit_uname_cfg)
763 return 1;
764 #endif
765 return 0;
766 }
767
768 /**
769 * boot_get_ramdisk - main ramdisk handling routine
770 * @argc: command argument count
771 * @argv: command argument list
772 * @images: pointer to the bootm images structure
773 * @arch: expected ramdisk architecture
774 * @rd_start: pointer to a ulong variable, will hold ramdisk start address
775 * @rd_end: pointer to a ulong variable, will hold ramdisk end
776 *
777 * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
778 * Curently supported are the following ramdisk sources:
779 * - multicomponent kernel/ramdisk image,
780 * - commandline provided address of decicated ramdisk image.
781 *
782 * returns:
783 * 0, if ramdisk image was found and valid, or skiped
784 * rd_start and rd_end are set to ramdisk start/end addresses if
785 * ramdisk image is found and valid
786 *
787 * 1, if ramdisk image is found but corrupted, or invalid
788 * rd_start and rd_end are set to 0 if no ramdisk exists
789 */
790 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
791 uint8_t arch, ulong *rd_start, ulong *rd_end)
792 {
793 ulong rd_addr, rd_load;
794 ulong rd_data, rd_len;
795 const image_header_t *rd_hdr;
796 void *buf;
797 #ifdef CONFIG_SUPPORT_RAW_INITRD
798 char *end;
799 #endif
800 #if defined(CONFIG_FIT)
801 const char *fit_uname_config = images->fit_uname_cfg;
802 const char *fit_uname_ramdisk = NULL;
803 ulong default_addr;
804 int rd_noffset;
805 #endif
806 const char *select = NULL;
807
808 *rd_start = 0;
809 *rd_end = 0;
810
811 if (argc >= 2)
812 select = argv[1];
813 /*
814 * Look for a '-' which indicates to ignore the
815 * ramdisk argument
816 */
817 if (select && strcmp(select, "-") == 0) {
818 debug("## Skipping init Ramdisk\n");
819 rd_len = rd_data = 0;
820 } else if (select || genimg_has_config(images)) {
821 #if defined(CONFIG_FIT)
822 if (select) {
823 /*
824 * If the init ramdisk comes from the FIT image and
825 * the FIT image address is omitted in the command
826 * line argument, try to use os FIT image address or
827 * default load address.
828 */
829 if (images->fit_uname_os)
830 default_addr = (ulong)images->fit_hdr_os;
831 else
832 default_addr = load_addr;
833
834 if (fit_parse_conf(select, default_addr,
835 &rd_addr, &fit_uname_config)) {
836 debug("* ramdisk: config '%s' from image at "
837 "0x%08lx\n",
838 fit_uname_config, rd_addr);
839 } else if (fit_parse_subimage(select, default_addr,
840 &rd_addr, &fit_uname_ramdisk)) {
841 debug("* ramdisk: subimage '%s' from image at "
842 "0x%08lx\n",
843 fit_uname_ramdisk, rd_addr);
844 } else
845 #endif
846 {
847 rd_addr = simple_strtoul(select, NULL, 16);
848 debug("* ramdisk: cmdline image address = "
849 "0x%08lx\n",
850 rd_addr);
851 }
852 #if defined(CONFIG_FIT)
853 } else {
854 /* use FIT configuration provided in first bootm
855 * command argument. If the property is not defined,
856 * quit silently.
857 */
858 rd_addr = map_to_sysmem(images->fit_hdr_os);
859 rd_noffset = fit_get_node_from_config(images,
860 FIT_RAMDISK_PROP, rd_addr);
861 if (rd_noffset == -ENOLINK)
862 return 0;
863 else if (rd_noffset < 0)
864 return 1;
865 }
866 #endif
867
868 /* copy from dataflash if needed */
869 rd_addr = genimg_get_image(rd_addr);
870
871 /*
872 * Check if there is an initrd image at the
873 * address provided in the second bootm argument
874 * check image type, for FIT images get FIT node.
875 */
876 buf = map_sysmem(rd_addr, 0);
877 switch (genimg_get_format(buf)) {
878 case IMAGE_FORMAT_LEGACY:
879 printf("## Loading init Ramdisk from Legacy "
880 "Image at %08lx ...\n", rd_addr);
881
882 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
883 rd_hdr = image_get_ramdisk(rd_addr, arch,
884 images->verify);
885
886 if (rd_hdr == NULL)
887 return 1;
888
889 rd_data = image_get_data(rd_hdr);
890 rd_len = image_get_data_size(rd_hdr);
891 rd_load = image_get_load(rd_hdr);
892 break;
893 #if defined(CONFIG_FIT)
894 case IMAGE_FORMAT_FIT:
895 rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP,
896 rd_addr, &fit_uname_ramdisk,
897 &fit_uname_config, arch,
898 IH_TYPE_RAMDISK,
899 BOOTSTAGE_ID_FIT_RD_START,
900 FIT_LOAD_IGNORED, &rd_data, &rd_len);
901 if (rd_noffset < 0)
902 return 1;
903
904 images->fit_hdr_rd = map_sysmem(rd_addr, 0);
905 images->fit_uname_rd = fit_uname_ramdisk;
906 images->fit_noffset_rd = rd_noffset;
907 break;
908 #endif
909 default:
910 #ifdef CONFIG_SUPPORT_RAW_INITRD
911 end = NULL;
912 if (select)
913 end = strchr(select, ':');
914 if (end) {
915 rd_len = simple_strtoul(++end, NULL, 16);
916 rd_data = rd_addr;
917 } else
918 #endif
919 {
920 puts("Wrong Ramdisk Image Format\n");
921 rd_data = rd_len = rd_load = 0;
922 return 1;
923 }
924 }
925 } else if (images->legacy_hdr_valid &&
926 image_check_type(&images->legacy_hdr_os_copy,
927 IH_TYPE_MULTI)) {
928
929 /*
930 * Now check if we have a legacy mult-component image,
931 * get second entry data start address and len.
932 */
933 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
934 printf("## Loading init Ramdisk from multi component "
935 "Legacy Image at %08lx ...\n",
936 (ulong)images->legacy_hdr_os);
937
938 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
939 }
940 #ifdef CONFIG_ANDROID_BOOT_IMAGE
941 else if ((genimg_get_format(images) == IMAGE_FORMAT_ANDROID) &&
942 (!android_image_get_ramdisk((void *)images->os.start,
943 &rd_data, &rd_len))) {
944 /* empty */
945 }
946 #endif
947 else {
948 /*
949 * no initrd image
950 */
951 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
952 rd_len = rd_data = 0;
953 }
954
955 if (!rd_data) {
956 debug("## No init Ramdisk\n");
957 } else {
958 *rd_start = rd_data;
959 *rd_end = rd_data + rd_len;
960 }
961 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
962 *rd_start, *rd_end);
963
964 return 0;
965 }
966
967 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
968 /**
969 * boot_ramdisk_high - relocate init ramdisk
970 * @lmb: pointer to lmb handle, will be used for memory mgmt
971 * @rd_data: ramdisk data start address
972 * @rd_len: ramdisk data length
973 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
974 * start address (after possible relocation)
975 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
976 * end address (after possible relocation)
977 *
978 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
979 * variable and if requested ramdisk data is moved to a specified location.
980 *
981 * Initrd_start and initrd_end are set to final (after relocation) ramdisk
982 * start/end addresses if ramdisk image start and len were provided,
983 * otherwise set initrd_start and initrd_end set to zeros.
984 *
985 * returns:
986 * 0 - success
987 * -1 - failure
988 */
989 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
990 ulong *initrd_start, ulong *initrd_end)
991 {
992 char *s;
993 ulong initrd_high;
994 int initrd_copy_to_ram = 1;
995
996 if ((s = getenv("initrd_high")) != NULL) {
997 /* a value of "no" or a similar string will act like 0,
998 * turning the "load high" feature off. This is intentional.
999 */
1000 initrd_high = simple_strtoul(s, NULL, 16);
1001 if (initrd_high == ~0)
1002 initrd_copy_to_ram = 0;
1003 } else {
1004 /* not set, no restrictions to load high */
1005 initrd_high = ~0;
1006 }
1007
1008
1009 #ifdef CONFIG_LOGBUFFER
1010 /* Prevent initrd from overwriting logbuffer */
1011 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1012 #endif
1013
1014 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1015 initrd_high, initrd_copy_to_ram);
1016
1017 if (rd_data) {
1018 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
1019 debug(" in-place initrd\n");
1020 *initrd_start = rd_data;
1021 *initrd_end = rd_data + rd_len;
1022 lmb_reserve(lmb, rd_data, rd_len);
1023 } else {
1024 if (initrd_high)
1025 *initrd_start = (ulong)lmb_alloc_base(lmb,
1026 rd_len, 0x1000, initrd_high);
1027 else
1028 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1029 0x1000);
1030
1031 if (*initrd_start == 0) {
1032 puts("ramdisk - allocation error\n");
1033 goto error;
1034 }
1035 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1036
1037 *initrd_end = *initrd_start + rd_len;
1038 printf(" Loading Ramdisk to %08lx, end %08lx ... ",
1039 *initrd_start, *initrd_end);
1040
1041 memmove_wd((void *)*initrd_start,
1042 (void *)rd_data, rd_len, CHUNKSZ);
1043
1044 #ifdef CONFIG_MP
1045 /*
1046 * Ensure the image is flushed to memory to handle
1047 * AMP boot scenarios in which we might not be
1048 * HW cache coherent
1049 */
1050 flush_cache((unsigned long)*initrd_start, rd_len);
1051 #endif
1052 puts("OK\n");
1053 }
1054 } else {
1055 *initrd_start = 0;
1056 *initrd_end = 0;
1057 }
1058 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1059 *initrd_start, *initrd_end);
1060
1061 return 0;
1062
1063 error:
1064 return -1;
1065 }
1066 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1067
1068 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1069 /**
1070 * boot_get_cmdline - allocate and initialize kernel cmdline
1071 * @lmb: pointer to lmb handle, will be used for memory mgmt
1072 * @cmd_start: pointer to a ulong variable, will hold cmdline start
1073 * @cmd_end: pointer to a ulong variable, will hold cmdline end
1074 *
1075 * boot_get_cmdline() allocates space for kernel command line below
1076 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1077 * variable is present its contents is copied to allocated kernel
1078 * command line.
1079 *
1080 * returns:
1081 * 0 - success
1082 * -1 - failure
1083 */
1084 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1085 {
1086 char *cmdline;
1087 char *s;
1088
1089 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1090 getenv_bootm_mapsize() + getenv_bootm_low());
1091
1092 if (cmdline == NULL)
1093 return -1;
1094
1095 if ((s = getenv("bootargs")) == NULL)
1096 s = "";
1097
1098 strcpy(cmdline, s);
1099
1100 *cmd_start = (ulong) & cmdline[0];
1101 *cmd_end = *cmd_start + strlen(cmdline);
1102
1103 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1104
1105 return 0;
1106 }
1107 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1108
1109 #ifdef CONFIG_SYS_BOOT_GET_KBD
1110 /**
1111 * boot_get_kbd - allocate and initialize kernel copy of board info
1112 * @lmb: pointer to lmb handle, will be used for memory mgmt
1113 * @kbd: double pointer to board info data
1114 *
1115 * boot_get_kbd() allocates space for kernel copy of board info data below
1116 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1117 * with the current u-boot board info data.
1118 *
1119 * returns:
1120 * 0 - success
1121 * -1 - failure
1122 */
1123 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1124 {
1125 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1126 getenv_bootm_mapsize() + getenv_bootm_low());
1127 if (*kbd == NULL)
1128 return -1;
1129
1130 **kbd = *(gd->bd);
1131
1132 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1133
1134 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1135 do_bdinfo(NULL, 0, 0, NULL);
1136 #endif
1137
1138 return 0;
1139 }
1140 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1141
1142 #ifdef CONFIG_LMB
1143 int image_setup_linux(bootm_headers_t *images)
1144 {
1145 ulong of_size = images->ft_len;
1146 char **of_flat_tree = &images->ft_addr;
1147 ulong *initrd_start = &images->initrd_start;
1148 ulong *initrd_end = &images->initrd_end;
1149 struct lmb *lmb = &images->lmb;
1150 ulong rd_len;
1151 int ret;
1152
1153 if (IMAGE_ENABLE_OF_LIBFDT)
1154 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1155
1156 if (IMAGE_BOOT_GET_CMDLINE) {
1157 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1158 &images->cmdline_end);
1159 if (ret) {
1160 puts("ERROR with allocation of cmdline\n");
1161 return ret;
1162 }
1163 }
1164 if (IMAGE_ENABLE_RAMDISK_HIGH) {
1165 rd_len = images->rd_end - images->rd_start;
1166 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1167 initrd_start, initrd_end);
1168 if (ret)
1169 return ret;
1170 }
1171
1172 if (IMAGE_ENABLE_OF_LIBFDT) {
1173 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1174 if (ret)
1175 return ret;
1176 }
1177
1178 if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1179 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1180 if (ret)
1181 return ret;
1182 }
1183
1184 return 0;
1185 }
1186 #endif /* CONFIG_LMB */
1187 #endif /* !USE_HOSTCC */