xref: /openbmc/u-boot/common/image.c (revision 089fddfd)
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 #include <mapmem.h>
31 
32 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
33 #include <libfdt.h>
34 #include <fdt_support.h>
35 #endif
36 
37 #include <u-boot/md5.h>
38 #include <u-boot/sha1.h>
39 #include <asm/errno.h>
40 #include <asm/io.h>
41 
42 #ifdef CONFIG_CMD_BDI
43 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
44 #endif
45 
46 DECLARE_GLOBAL_DATA_PTR;
47 
48 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
49 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
50 						int verify);
51 #endif
52 #else
53 #include "mkimage.h"
54 #include <u-boot/md5.h>
55 #include <time.h>
56 #include <image.h>
57 #endif /* !USE_HOSTCC*/
58 
59 #include <u-boot/crc.h>
60 
61 #ifndef CONFIG_SYS_BARGSIZE
62 #define CONFIG_SYS_BARGSIZE 512
63 #endif
64 
65 static const table_entry_t uimage_arch[] = {
66 	{	IH_ARCH_INVALID,	NULL,		"Invalid ARCH",	},
67 	{	IH_ARCH_ALPHA,		"alpha",	"Alpha",	},
68 	{	IH_ARCH_ARM,		"arm",		"ARM",		},
69 	{	IH_ARCH_I386,		"x86",		"Intel x86",	},
70 	{	IH_ARCH_IA64,		"ia64",		"IA64",		},
71 	{	IH_ARCH_M68K,		"m68k",		"M68K",		},
72 	{	IH_ARCH_MICROBLAZE,	"microblaze",	"MicroBlaze",	},
73 	{	IH_ARCH_MIPS,		"mips",		"MIPS",		},
74 	{	IH_ARCH_MIPS64,		"mips64",	"MIPS 64 Bit",	},
75 	{	IH_ARCH_NIOS2,		"nios2",	"NIOS II",	},
76 	{	IH_ARCH_PPC,		"powerpc",	"PowerPC",	},
77 	{	IH_ARCH_PPC,		"ppc",		"PowerPC",	},
78 	{	IH_ARCH_S390,		"s390",		"IBM S390",	},
79 	{	IH_ARCH_SH,		"sh",		"SuperH",	},
80 	{	IH_ARCH_SPARC,		"sparc",	"SPARC",	},
81 	{	IH_ARCH_SPARC64,	"sparc64",	"SPARC 64 Bit",	},
82 	{	IH_ARCH_BLACKFIN,	"blackfin",	"Blackfin",	},
83 	{	IH_ARCH_AVR32,		"avr32",	"AVR32",	},
84 	{	IH_ARCH_NDS32,		"nds32",	"NDS32",	},
85 	{	IH_ARCH_OPENRISC,	"or1k",		"OpenRISC 1000",},
86 	{	IH_ARCH_SANDBOX,	"sandbox",	"Sandbox",	},
87 	{	IH_ARCH_ARM64,		"arm64",	"AArch64",	},
88 	{	IH_ARCH_ARC,		"arc",		"ARC",		},
89 	{	IH_ARCH_X86_64,		"x86_64",	"AMD x86_64",	},
90 	{	-1,			"",		"",		},
91 };
92 
93 static const table_entry_t uimage_os[] = {
94 	{	IH_OS_INVALID,	NULL,		"Invalid OS",		},
95 	{	IH_OS_LINUX,	"linux",	"Linux",		},
96 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
97 	{	IH_OS_LYNXOS,	"lynxos",	"LynxOS",		},
98 #endif
99 	{	IH_OS_NETBSD,	"netbsd",	"NetBSD",		},
100 	{	IH_OS_OSE,	"ose",		"Enea OSE",		},
101 	{	IH_OS_PLAN9,	"plan9",	"Plan 9",		},
102 	{	IH_OS_RTEMS,	"rtems",	"RTEMS",		},
103 	{	IH_OS_U_BOOT,	"u-boot",	"U-Boot",		},
104 	{	IH_OS_VXWORKS,	"vxworks",	"VxWorks",		},
105 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
106 	{	IH_OS_QNX,	"qnx",		"QNX",			},
107 #endif
108 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
109 	{	IH_OS_INTEGRITY,"integrity",	"INTEGRITY",		},
110 #endif
111 #ifdef USE_HOSTCC
112 	{	IH_OS_4_4BSD,	"4_4bsd",	"4_4BSD",		},
113 	{	IH_OS_DELL,	"dell",		"Dell",			},
114 	{	IH_OS_ESIX,	"esix",		"Esix",			},
115 	{	IH_OS_FREEBSD,	"freebsd",	"FreeBSD",		},
116 	{	IH_OS_IRIX,	"irix",		"Irix",			},
117 	{	IH_OS_NCR,	"ncr",		"NCR",			},
118 	{	IH_OS_OPENBSD,	"openbsd",	"OpenBSD",		},
119 	{	IH_OS_PSOS,	"psos",		"pSOS",			},
120 	{	IH_OS_SCO,	"sco",		"SCO",			},
121 	{	IH_OS_SOLARIS,	"solaris",	"Solaris",		},
122 	{	IH_OS_SVR4,	"svr4",		"SVR4",			},
123 #endif
124 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
125 	{	IH_OS_OPENRTOS,	"openrtos",	"OpenRTOS",		},
126 #endif
127 
128 	{	-1,		"",		"",			},
129 };
130 
131 static const table_entry_t uimage_type[] = {
132 	{	IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
133 	{	IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",	},
134 	{	IH_TYPE_FIRMWARE,   "firmware",	  "Firmware",		},
135 	{	IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",	},
136 	{	IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
137 	{	IH_TYPE_KERNEL,	    "kernel",	  "Kernel Image",	},
138 	{	IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
139 	{	IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
140 	{	IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
141 	{	IH_TYPE_INVALID,    NULL,	  "Invalid Image",	},
142 	{	IH_TYPE_MULTI,	    "multi",	  "Multi-File Image",	},
143 	{	IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
144 	{	IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
145 	{	IH_TYPE_RAMDISK,    "ramdisk",	  "RAMDisk Image",	},
146 	{	IH_TYPE_SCRIPT,     "script",	  "Script",		},
147 	{	IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",},
148 	{	IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
149 	{	IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
150 	{	IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
151 	{	IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
152 	{	IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
153 	{	IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
154 	{	-1,		    "",		  "",			},
155 };
156 
157 static const table_entry_t uimage_comp[] = {
158 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
159 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
160 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
161 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
162 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
163 	{	-1,		"",		"",			},
164 };
165 
166 /*****************************************************************************/
167 /* Legacy format routines */
168 /*****************************************************************************/
169 int image_check_hcrc(const image_header_t *hdr)
170 {
171 	ulong hcrc;
172 	ulong len = image_get_header_size();
173 	image_header_t header;
174 
175 	/* Copy header so we can blank CRC field for re-calculation */
176 	memmove(&header, (char *)hdr, image_get_header_size());
177 	image_set_hcrc(&header, 0);
178 
179 	hcrc = crc32(0, (unsigned char *)&header, len);
180 
181 	return (hcrc == image_get_hcrc(hdr));
182 }
183 
184 int image_check_dcrc(const image_header_t *hdr)
185 {
186 	ulong data = image_get_data(hdr);
187 	ulong len = image_get_data_size(hdr);
188 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
189 
190 	return (dcrc == image_get_dcrc(hdr));
191 }
192 
193 /**
194  * image_multi_count - get component (sub-image) count
195  * @hdr: pointer to the header of the multi component image
196  *
197  * image_multi_count() returns number of components in a multi
198  * component image.
199  *
200  * Note: no checking of the image type is done, caller must pass
201  * a valid multi component image.
202  *
203  * returns:
204  *     number of components
205  */
206 ulong image_multi_count(const image_header_t *hdr)
207 {
208 	ulong i, count = 0;
209 	uint32_t *size;
210 
211 	/* get start of the image payload, which in case of multi
212 	 * component images that points to a table of component sizes */
213 	size = (uint32_t *)image_get_data(hdr);
214 
215 	/* count non empty slots */
216 	for (i = 0; size[i]; ++i)
217 		count++;
218 
219 	return count;
220 }
221 
222 /**
223  * image_multi_getimg - get component data address and size
224  * @hdr: pointer to the header of the multi component image
225  * @idx: index of the requested component
226  * @data: pointer to a ulong variable, will hold component data address
227  * @len: pointer to a ulong variable, will hold component size
228  *
229  * image_multi_getimg() returns size and data address for the requested
230  * component in a multi component image.
231  *
232  * Note: no checking of the image type is done, caller must pass
233  * a valid multi component image.
234  *
235  * returns:
236  *     data address and size of the component, if idx is valid
237  *     0 in data and len, if idx is out of range
238  */
239 void image_multi_getimg(const image_header_t *hdr, ulong idx,
240 			ulong *data, ulong *len)
241 {
242 	int i;
243 	uint32_t *size;
244 	ulong offset, count, img_data;
245 
246 	/* get number of component */
247 	count = image_multi_count(hdr);
248 
249 	/* get start of the image payload, which in case of multi
250 	 * component images that points to a table of component sizes */
251 	size = (uint32_t *)image_get_data(hdr);
252 
253 	/* get address of the proper component data start, which means
254 	 * skipping sizes table (add 1 for last, null entry) */
255 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
256 
257 	if (idx < count) {
258 		*len = uimage_to_cpu(size[idx]);
259 		offset = 0;
260 
261 		/* go over all indices preceding requested component idx */
262 		for (i = 0; i < idx; i++) {
263 			/* add up i-th component size, rounding up to 4 bytes */
264 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
265 		}
266 
267 		/* calculate idx-th component data address */
268 		*data = img_data + offset;
269 	} else {
270 		*len = 0;
271 		*data = 0;
272 	}
273 }
274 
275 static void image_print_type(const image_header_t *hdr)
276 {
277 	const char *os, *arch, *type, *comp;
278 
279 	os = genimg_get_os_name(image_get_os(hdr));
280 	arch = genimg_get_arch_name(image_get_arch(hdr));
281 	type = genimg_get_type_name(image_get_type(hdr));
282 	comp = genimg_get_comp_name(image_get_comp(hdr));
283 
284 	printf("%s %s %s (%s)\n", arch, os, type, comp);
285 }
286 
287 /**
288  * image_print_contents - prints out the contents of the legacy format image
289  * @ptr: pointer to the legacy format image header
290  * @p: pointer to prefix string
291  *
292  * image_print_contents() formats a multi line legacy image contents description.
293  * The routine prints out all header fields followed by the size/offset data
294  * for MULTI/SCRIPT images.
295  *
296  * returns:
297  *     no returned results
298  */
299 void image_print_contents(const void *ptr)
300 {
301 	const image_header_t *hdr = (const image_header_t *)ptr;
302 	const char *p;
303 
304 	p = IMAGE_INDENT_STRING;
305 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
306 	if (IMAGE_ENABLE_TIMESTAMP) {
307 		printf("%sCreated:      ", p);
308 		genimg_print_time((time_t)image_get_time(hdr));
309 	}
310 	printf("%sImage Type:   ", p);
311 	image_print_type(hdr);
312 	printf("%sData Size:    ", p);
313 	genimg_print_size(image_get_data_size(hdr));
314 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
315 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
316 
317 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
318 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
319 		int i;
320 		ulong data, len;
321 		ulong count = image_multi_count(hdr);
322 
323 		printf("%sContents:\n", p);
324 		for (i = 0; i < count; i++) {
325 			image_multi_getimg(hdr, i, &data, &len);
326 
327 			printf("%s   Image %d: ", p, i);
328 			genimg_print_size(len);
329 
330 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
331 				/*
332 				 * the user may need to know offsets
333 				 * if planning to do something with
334 				 * multiple files
335 				 */
336 				printf("%s    Offset = 0x%08lx\n", p, data);
337 			}
338 		}
339 	}
340 }
341 
342 
343 #ifndef USE_HOSTCC
344 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
345 /**
346  * image_get_ramdisk - get and verify ramdisk image
347  * @rd_addr: ramdisk image start address
348  * @arch: expected ramdisk architecture
349  * @verify: checksum verification flag
350  *
351  * image_get_ramdisk() returns a pointer to the verified ramdisk image
352  * header. Routine receives image start address and expected architecture
353  * flag. Verification done covers data and header integrity and os/type/arch
354  * fields checking.
355  *
356  * If dataflash support is enabled routine checks for dataflash addresses
357  * and handles required dataflash reads.
358  *
359  * returns:
360  *     pointer to a ramdisk image header, if image was found and valid
361  *     otherwise, return NULL
362  */
363 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
364 						int verify)
365 {
366 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
367 
368 	if (!image_check_magic(rd_hdr)) {
369 		puts("Bad Magic Number\n");
370 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
371 		return NULL;
372 	}
373 
374 	if (!image_check_hcrc(rd_hdr)) {
375 		puts("Bad Header Checksum\n");
376 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
377 		return NULL;
378 	}
379 
380 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
381 	image_print_contents(rd_hdr);
382 
383 	if (verify) {
384 		puts("   Verifying Checksum ... ");
385 		if (!image_check_dcrc(rd_hdr)) {
386 			puts("Bad Data CRC\n");
387 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
388 			return NULL;
389 		}
390 		puts("OK\n");
391 	}
392 
393 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
394 
395 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
396 	    !image_check_arch(rd_hdr, arch) ||
397 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
398 		printf("No Linux %s Ramdisk Image\n",
399 				genimg_get_arch_name(arch));
400 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
401 		return NULL;
402 	}
403 
404 	return rd_hdr;
405 }
406 #endif
407 #endif /* !USE_HOSTCC */
408 
409 /*****************************************************************************/
410 /* Shared dual-format routines */
411 /*****************************************************************************/
412 #ifndef USE_HOSTCC
413 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
414 ulong save_addr;			/* Default Save Address */
415 ulong save_size;			/* Default Save Size (in bytes) */
416 
417 static int on_loadaddr(const char *name, const char *value, enum env_op op,
418 	int flags)
419 {
420 	switch (op) {
421 	case env_op_create:
422 	case env_op_overwrite:
423 		load_addr = simple_strtoul(value, NULL, 16);
424 		break;
425 	default:
426 		break;
427 	}
428 
429 	return 0;
430 }
431 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
432 
433 ulong getenv_bootm_low(void)
434 {
435 	char *s = getenv("bootm_low");
436 	if (s) {
437 		ulong tmp = simple_strtoul(s, NULL, 16);
438 		return tmp;
439 	}
440 
441 #if defined(CONFIG_SYS_SDRAM_BASE)
442 	return CONFIG_SYS_SDRAM_BASE;
443 #elif defined(CONFIG_ARM)
444 	return gd->bd->bi_dram[0].start;
445 #else
446 	return 0;
447 #endif
448 }
449 
450 phys_size_t getenv_bootm_size(void)
451 {
452 	phys_size_t tmp;
453 	char *s = getenv("bootm_size");
454 	if (s) {
455 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
456 		return tmp;
457 	}
458 	s = getenv("bootm_low");
459 	if (s)
460 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
461 	else
462 		tmp = 0;
463 
464 
465 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
466 	return gd->bd->bi_dram[0].size - tmp;
467 #else
468 	return gd->bd->bi_memsize - tmp;
469 #endif
470 }
471 
472 phys_size_t getenv_bootm_mapsize(void)
473 {
474 	phys_size_t tmp;
475 	char *s = getenv("bootm_mapsize");
476 	if (s) {
477 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
478 		return tmp;
479 	}
480 
481 #if defined(CONFIG_SYS_BOOTMAPSZ)
482 	return CONFIG_SYS_BOOTMAPSZ;
483 #else
484 	return getenv_bootm_size();
485 #endif
486 }
487 
488 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
489 {
490 	if (to == from)
491 		return;
492 
493 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
494 	if (to > from) {
495 		from += len;
496 		to += len;
497 	}
498 	while (len > 0) {
499 		size_t tail = (len > chunksz) ? chunksz : len;
500 		WATCHDOG_RESET();
501 		if (to > from) {
502 			to -= tail;
503 			from -= tail;
504 		}
505 		memmove(to, from, tail);
506 		if (to < from) {
507 			to += tail;
508 			from += tail;
509 		}
510 		len -= tail;
511 	}
512 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
513 	memmove(to, from, len);
514 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
515 }
516 #endif /* !USE_HOSTCC */
517 
518 void genimg_print_size(uint32_t size)
519 {
520 #ifndef USE_HOSTCC
521 	printf("%d Bytes = ", size);
522 	print_size(size, "\n");
523 #else
524 	printf("%d Bytes = %.2f kB = %.2f MB\n",
525 			size, (double)size / 1.024e3,
526 			(double)size / 1.048576e6);
527 #endif
528 }
529 
530 #if IMAGE_ENABLE_TIMESTAMP
531 void genimg_print_time(time_t timestamp)
532 {
533 #ifndef USE_HOSTCC
534 	struct rtc_time tm;
535 
536 	rtc_to_tm(timestamp, &tm);
537 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
538 			tm.tm_year, tm.tm_mon, tm.tm_mday,
539 			tm.tm_hour, tm.tm_min, tm.tm_sec);
540 #else
541 	printf("%s", ctime(&timestamp));
542 #endif
543 }
544 #endif
545 
546 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
547 {
548 	for (; table->id >= 0; ++table) {
549 		if (table->id == id)
550 			return table;
551 	}
552 	return NULL;
553 }
554 
555 /**
556  * get_table_entry_name - translate entry id to long name
557  * @table: pointer to a translation table for entries of a specific type
558  * @msg: message to be returned when translation fails
559  * @id: entry id to be translated
560  *
561  * get_table_entry_name() will go over translation table trying to find
562  * entry that matches given id. If matching entry is found, its long
563  * name is returned to the caller.
564  *
565  * returns:
566  *     long entry name if translation succeeds
567  *     msg otherwise
568  */
569 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
570 {
571 	table = get_table_entry(table, id);
572 	if (!table)
573 		return msg;
574 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
575 	return table->lname;
576 #else
577 	return table->lname + gd->reloc_off;
578 #endif
579 }
580 
581 const char *genimg_get_os_name(uint8_t os)
582 {
583 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
584 }
585 
586 const char *genimg_get_arch_name(uint8_t arch)
587 {
588 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
589 					arch));
590 }
591 
592 const char *genimg_get_type_name(uint8_t type)
593 {
594 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
595 }
596 
597 const char *genimg_get_type_short_name(uint8_t type)
598 {
599 	const table_entry_t *table;
600 
601 	table = get_table_entry(uimage_type, type);
602 	if (!table)
603 		return "unknown";
604 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
605 	return table->sname;
606 #else
607 	return table->sname + gd->reloc_off;
608 #endif
609 }
610 
611 const char *genimg_get_comp_name(uint8_t comp)
612 {
613 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
614 					comp));
615 }
616 
617 /**
618  * get_table_entry_id - translate short entry name to id
619  * @table: pointer to a translation table for entries of a specific type
620  * @table_name: to be used in case of error
621  * @name: entry short name to be translated
622  *
623  * get_table_entry_id() will go over translation table trying to find
624  * entry that matches given short name. If matching entry is found,
625  * its id returned to the caller.
626  *
627  * returns:
628  *     entry id if translation succeeds
629  *     -1 otherwise
630  */
631 int get_table_entry_id(const table_entry_t *table,
632 		const char *table_name, const char *name)
633 {
634 	const table_entry_t *t;
635 
636 	for (t = table; t->id >= 0; ++t) {
637 #ifdef CONFIG_NEEDS_MANUAL_RELOC
638 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
639 #else
640 		if (t->sname && strcasecmp(t->sname, name) == 0)
641 #endif
642 			return (t->id);
643 	}
644 	debug("Invalid %s Type: %s\n", table_name, name);
645 
646 	return -1;
647 }
648 
649 int genimg_get_os_id(const char *name)
650 {
651 	return (get_table_entry_id(uimage_os, "OS", name));
652 }
653 
654 int genimg_get_arch_id(const char *name)
655 {
656 	return (get_table_entry_id(uimage_arch, "CPU", name));
657 }
658 
659 int genimg_get_type_id(const char *name)
660 {
661 	return (get_table_entry_id(uimage_type, "Image", name));
662 }
663 
664 int genimg_get_comp_id(const char *name)
665 {
666 	return (get_table_entry_id(uimage_comp, "Compression", name));
667 }
668 
669 #ifndef USE_HOSTCC
670 /**
671  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
672  *                              FIT strings
673  * @img_addr: a string might contain real image address
674  * @fit_uname_config: double pointer to a char, will hold pointer to a
675  *                    configuration unit name
676  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
677  *                    name
678  *
679  * genimg_get_kernel_addr_fit get the real kernel start address from a string
680  * which is normally the first argv of bootm/bootz
681  *
682  * returns:
683  *     kernel start address
684  */
685 ulong genimg_get_kernel_addr_fit(char * const img_addr,
686 			     const char **fit_uname_config,
687 			     const char **fit_uname_kernel)
688 {
689 	ulong kernel_addr;
690 
691 	/* find out kernel image address */
692 	if (!img_addr) {
693 		kernel_addr = load_addr;
694 		debug("*  kernel: default image load address = 0x%08lx\n",
695 		      load_addr);
696 #if defined(CONFIG_FIT)
697 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
698 				  fit_uname_config)) {
699 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
700 		      *fit_uname_config, kernel_addr);
701 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
702 				     fit_uname_kernel)) {
703 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
704 		      *fit_uname_kernel, kernel_addr);
705 #endif
706 	} else {
707 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
708 		debug("*  kernel: cmdline image address = 0x%08lx\n",
709 		      kernel_addr);
710 	}
711 
712 	return kernel_addr;
713 }
714 
715 /**
716  * genimg_get_kernel_addr() is the simple version of
717  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
718  */
719 ulong genimg_get_kernel_addr(char * const img_addr)
720 {
721 	const char *fit_uname_config = NULL;
722 	const char *fit_uname_kernel = NULL;
723 
724 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
725 					  &fit_uname_kernel);
726 }
727 
728 /**
729  * genimg_get_format - get image format type
730  * @img_addr: image start address
731  *
732  * genimg_get_format() checks whether provided address points to a valid
733  * legacy or FIT image.
734  *
735  * New uImage format and FDT blob are based on a libfdt. FDT blob
736  * may be passed directly or embedded in a FIT image. In both situations
737  * genimg_get_format() must be able to dectect libfdt header.
738  *
739  * returns:
740  *     image format type or IMAGE_FORMAT_INVALID if no image is present
741  */
742 int genimg_get_format(const void *img_addr)
743 {
744 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
745 	const image_header_t *hdr;
746 
747 	hdr = (const image_header_t *)img_addr;
748 	if (image_check_magic(hdr))
749 		return IMAGE_FORMAT_LEGACY;
750 #endif
751 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
752 	if (fdt_check_header(img_addr) == 0)
753 		return IMAGE_FORMAT_FIT;
754 #endif
755 #ifdef CONFIG_ANDROID_BOOT_IMAGE
756 	if (android_image_check_header(img_addr) == 0)
757 		return IMAGE_FORMAT_ANDROID;
758 #endif
759 
760 	return IMAGE_FORMAT_INVALID;
761 }
762 
763 /**
764  * genimg_get_image - get image from special storage (if necessary)
765  * @img_addr: image start address
766  *
767  * genimg_get_image() checks if provided image start address is located
768  * in a dataflash storage. If so, image is moved to a system RAM memory.
769  *
770  * returns:
771  *     image start address after possible relocation from special storage
772  */
773 ulong genimg_get_image(ulong img_addr)
774 {
775 	ulong ram_addr = img_addr;
776 
777 #ifdef CONFIG_HAS_DATAFLASH
778 	ulong h_size, d_size;
779 
780 	if (addr_dataflash(img_addr)) {
781 		void *buf;
782 
783 		/* ger RAM address */
784 		ram_addr = CONFIG_SYS_LOAD_ADDR;
785 
786 		/* get header size */
787 		h_size = image_get_header_size();
788 #if defined(CONFIG_FIT)
789 		if (sizeof(struct fdt_header) > h_size)
790 			h_size = sizeof(struct fdt_header);
791 #endif
792 
793 		/* read in header */
794 		debug("   Reading image header from dataflash address "
795 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
796 
797 		buf = map_sysmem(ram_addr, 0);
798 		read_dataflash(img_addr, h_size, buf);
799 
800 		/* get data size */
801 		switch (genimg_get_format(buf)) {
802 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
803 		case IMAGE_FORMAT_LEGACY:
804 			d_size = image_get_data_size(buf);
805 			debug("   Legacy format image found at 0x%08lx, "
806 					"size 0x%08lx\n",
807 					ram_addr, d_size);
808 			break;
809 #endif
810 #if defined(CONFIG_FIT)
811 		case IMAGE_FORMAT_FIT:
812 			d_size = fit_get_size(buf) - h_size;
813 			debug("   FIT/FDT format image found at 0x%08lx, "
814 					"size 0x%08lx\n",
815 					ram_addr, d_size);
816 			break;
817 #endif
818 		default:
819 			printf("   No valid image found at 0x%08lx\n",
820 				img_addr);
821 			return ram_addr;
822 		}
823 
824 		/* read in image data */
825 		debug("   Reading image remaining data from dataflash address "
826 			"%08lx to RAM address %08lx\n", img_addr + h_size,
827 			ram_addr + h_size);
828 
829 		read_dataflash(img_addr + h_size, d_size,
830 				(char *)(buf + h_size));
831 
832 	}
833 #endif /* CONFIG_HAS_DATAFLASH */
834 
835 	return ram_addr;
836 }
837 
838 /**
839  * fit_has_config - check if there is a valid FIT configuration
840  * @images: pointer to the bootm command headers structure
841  *
842  * fit_has_config() checks if there is a FIT configuration in use
843  * (if FTI support is present).
844  *
845  * returns:
846  *     0, no FIT support or no configuration found
847  *     1, configuration found
848  */
849 int genimg_has_config(bootm_headers_t *images)
850 {
851 #if defined(CONFIG_FIT)
852 	if (images->fit_uname_cfg)
853 		return 1;
854 #endif
855 	return 0;
856 }
857 
858 /**
859  * boot_get_ramdisk - main ramdisk handling routine
860  * @argc: command argument count
861  * @argv: command argument list
862  * @images: pointer to the bootm images structure
863  * @arch: expected ramdisk architecture
864  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
865  * @rd_end: pointer to a ulong variable, will hold ramdisk end
866  *
867  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
868  * Curently supported are the following ramdisk sources:
869  *      - multicomponent kernel/ramdisk image,
870  *      - commandline provided address of decicated ramdisk image.
871  *
872  * returns:
873  *     0, if ramdisk image was found and valid, or skiped
874  *     rd_start and rd_end are set to ramdisk start/end addresses if
875  *     ramdisk image is found and valid
876  *
877  *     1, if ramdisk image is found but corrupted, or invalid
878  *     rd_start and rd_end are set to 0 if no ramdisk exists
879  */
880 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
881 		uint8_t arch, ulong *rd_start, ulong *rd_end)
882 {
883 	ulong rd_addr, rd_load;
884 	ulong rd_data, rd_len;
885 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
886 	const image_header_t *rd_hdr;
887 #endif
888 	void *buf;
889 #ifdef CONFIG_SUPPORT_RAW_INITRD
890 	char *end;
891 #endif
892 #if defined(CONFIG_FIT)
893 	const char	*fit_uname_config = images->fit_uname_cfg;
894 	const char	*fit_uname_ramdisk = NULL;
895 	ulong		default_addr;
896 	int		rd_noffset;
897 #endif
898 	const char *select = NULL;
899 
900 	*rd_start = 0;
901 	*rd_end = 0;
902 
903 	if (argc >= 2)
904 		select = argv[1];
905 	/*
906 	 * Look for a '-' which indicates to ignore the
907 	 * ramdisk argument
908 	 */
909 	if (select && strcmp(select, "-") ==  0) {
910 		debug("## Skipping init Ramdisk\n");
911 		rd_len = rd_data = 0;
912 	} else if (select || genimg_has_config(images)) {
913 #if defined(CONFIG_FIT)
914 		if (select) {
915 			/*
916 			 * If the init ramdisk comes from the FIT image and
917 			 * the FIT image address is omitted in the command
918 			 * line argument, try to use os FIT image address or
919 			 * default load address.
920 			 */
921 			if (images->fit_uname_os)
922 				default_addr = (ulong)images->fit_hdr_os;
923 			else
924 				default_addr = load_addr;
925 
926 			if (fit_parse_conf(select, default_addr,
927 					   &rd_addr, &fit_uname_config)) {
928 				debug("*  ramdisk: config '%s' from image at "
929 						"0x%08lx\n",
930 						fit_uname_config, rd_addr);
931 			} else if (fit_parse_subimage(select, default_addr,
932 						&rd_addr, &fit_uname_ramdisk)) {
933 				debug("*  ramdisk: subimage '%s' from image at "
934 						"0x%08lx\n",
935 						fit_uname_ramdisk, rd_addr);
936 			} else
937 #endif
938 			{
939 				rd_addr = simple_strtoul(select, NULL, 16);
940 				debug("*  ramdisk: cmdline image address = "
941 						"0x%08lx\n",
942 						rd_addr);
943 			}
944 #if defined(CONFIG_FIT)
945 		} else {
946 			/* use FIT configuration provided in first bootm
947 			 * command argument. If the property is not defined,
948 			 * quit silently.
949 			 */
950 			rd_addr = map_to_sysmem(images->fit_hdr_os);
951 			rd_noffset = fit_get_node_from_config(images,
952 					FIT_RAMDISK_PROP, rd_addr);
953 			if (rd_noffset == -ENOLINK)
954 				return 0;
955 			else if (rd_noffset < 0)
956 				return 1;
957 		}
958 #endif
959 
960 		/* copy from dataflash if needed */
961 		rd_addr = genimg_get_image(rd_addr);
962 
963 		/*
964 		 * Check if there is an initrd image at the
965 		 * address provided in the second bootm argument
966 		 * check image type, for FIT images get FIT node.
967 		 */
968 		buf = map_sysmem(rd_addr, 0);
969 		switch (genimg_get_format(buf)) {
970 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
971 		case IMAGE_FORMAT_LEGACY:
972 			printf("## Loading init Ramdisk from Legacy "
973 					"Image at %08lx ...\n", rd_addr);
974 
975 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
976 			rd_hdr = image_get_ramdisk(rd_addr, arch,
977 							images->verify);
978 
979 			if (rd_hdr == NULL)
980 				return 1;
981 
982 			rd_data = image_get_data(rd_hdr);
983 			rd_len = image_get_data_size(rd_hdr);
984 			rd_load = image_get_load(rd_hdr);
985 			break;
986 #endif
987 #if defined(CONFIG_FIT)
988 		case IMAGE_FORMAT_FIT:
989 			rd_noffset = fit_image_load(images,
990 					rd_addr, &fit_uname_ramdisk,
991 					&fit_uname_config, arch,
992 					IH_TYPE_RAMDISK,
993 					BOOTSTAGE_ID_FIT_RD_START,
994 					FIT_LOAD_OPTIONAL_NON_ZERO,
995 					&rd_data, &rd_len);
996 			if (rd_noffset < 0)
997 				return 1;
998 
999 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1000 			images->fit_uname_rd = fit_uname_ramdisk;
1001 			images->fit_noffset_rd = rd_noffset;
1002 			break;
1003 #endif
1004 		default:
1005 #ifdef CONFIG_SUPPORT_RAW_INITRD
1006 			end = NULL;
1007 			if (select)
1008 				end = strchr(select, ':');
1009 			if (end) {
1010 				rd_len = simple_strtoul(++end, NULL, 16);
1011 				rd_data = rd_addr;
1012 			} else
1013 #endif
1014 			{
1015 				puts("Wrong Ramdisk Image Format\n");
1016 				rd_data = rd_len = rd_load = 0;
1017 				return 1;
1018 			}
1019 		}
1020 	} else if (images->legacy_hdr_valid &&
1021 			image_check_type(&images->legacy_hdr_os_copy,
1022 						IH_TYPE_MULTI)) {
1023 
1024 		/*
1025 		 * Now check if we have a legacy mult-component image,
1026 		 * get second entry data start address and len.
1027 		 */
1028 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1029 		printf("## Loading init Ramdisk from multi component "
1030 				"Legacy Image at %08lx ...\n",
1031 				(ulong)images->legacy_hdr_os);
1032 
1033 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1034 	}
1035 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1036 	else if ((genimg_get_format((void *)images->os.start)
1037 			== IMAGE_FORMAT_ANDROID) &&
1038 		 (!android_image_get_ramdisk((void *)images->os.start,
1039 		 &rd_data, &rd_len))) {
1040 		/* empty */
1041 	}
1042 #endif
1043 	else {
1044 		/*
1045 		 * no initrd image
1046 		 */
1047 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1048 		rd_len = rd_data = 0;
1049 	}
1050 
1051 	if (!rd_data) {
1052 		debug("## No init Ramdisk\n");
1053 	} else {
1054 		*rd_start = rd_data;
1055 		*rd_end = rd_data + rd_len;
1056 	}
1057 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1058 			*rd_start, *rd_end);
1059 
1060 	return 0;
1061 }
1062 
1063 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1064 /**
1065  * boot_ramdisk_high - relocate init ramdisk
1066  * @lmb: pointer to lmb handle, will be used for memory mgmt
1067  * @rd_data: ramdisk data start address
1068  * @rd_len: ramdisk data length
1069  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1070  *      start address (after possible relocation)
1071  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1072  *      end address (after possible relocation)
1073  *
1074  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1075  * variable and if requested ramdisk data is moved to a specified location.
1076  *
1077  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1078  * start/end addresses if ramdisk image start and len were provided,
1079  * otherwise set initrd_start and initrd_end set to zeros.
1080  *
1081  * returns:
1082  *      0 - success
1083  *     -1 - failure
1084  */
1085 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1086 		  ulong *initrd_start, ulong *initrd_end)
1087 {
1088 	char	*s;
1089 	ulong	initrd_high;
1090 	int	initrd_copy_to_ram = 1;
1091 
1092 	if ((s = getenv("initrd_high")) != NULL) {
1093 		/* a value of "no" or a similar string will act like 0,
1094 		 * turning the "load high" feature off. This is intentional.
1095 		 */
1096 		initrd_high = simple_strtoul(s, NULL, 16);
1097 		if (initrd_high == ~0)
1098 			initrd_copy_to_ram = 0;
1099 	} else {
1100 		/* not set, no restrictions to load high */
1101 		initrd_high = ~0;
1102 	}
1103 
1104 
1105 #ifdef CONFIG_LOGBUFFER
1106 	/* Prevent initrd from overwriting logbuffer */
1107 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1108 #endif
1109 
1110 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1111 			initrd_high, initrd_copy_to_ram);
1112 
1113 	if (rd_data) {
1114 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1115 			debug("   in-place initrd\n");
1116 			*initrd_start = rd_data;
1117 			*initrd_end = rd_data + rd_len;
1118 			lmb_reserve(lmb, rd_data, rd_len);
1119 		} else {
1120 			if (initrd_high)
1121 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1122 						rd_len, 0x1000, initrd_high);
1123 			else
1124 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1125 								 0x1000);
1126 
1127 			if (*initrd_start == 0) {
1128 				puts("ramdisk - allocation error\n");
1129 				goto error;
1130 			}
1131 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1132 
1133 			*initrd_end = *initrd_start + rd_len;
1134 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1135 					*initrd_start, *initrd_end);
1136 
1137 			memmove_wd((void *)*initrd_start,
1138 					(void *)rd_data, rd_len, CHUNKSZ);
1139 
1140 #ifdef CONFIG_MP
1141 			/*
1142 			 * Ensure the image is flushed to memory to handle
1143 			 * AMP boot scenarios in which we might not be
1144 			 * HW cache coherent
1145 			 */
1146 			flush_cache((unsigned long)*initrd_start, rd_len);
1147 #endif
1148 			puts("OK\n");
1149 		}
1150 	} else {
1151 		*initrd_start = 0;
1152 		*initrd_end = 0;
1153 	}
1154 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1155 			*initrd_start, *initrd_end);
1156 
1157 	return 0;
1158 
1159 error:
1160 	return -1;
1161 }
1162 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1163 
1164 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1165 		   ulong *setup_start, ulong *setup_len)
1166 {
1167 #if defined(CONFIG_FIT)
1168 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1169 #else
1170 	return -ENOENT;
1171 #endif
1172 }
1173 
1174 #if defined(CONFIG_FIT)
1175 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1176 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1177 {
1178 	/*
1179 	 * These variables are used to hold the current image location
1180 	 * in system memory.
1181 	 */
1182 	ulong tmp_img_addr;
1183 	/*
1184 	 * These two variables are requirements for fit_image_load, but
1185 	 * their values are not used
1186 	 */
1187 	ulong img_data, img_len;
1188 	void *buf;
1189 	int loadables_index;
1190 	int conf_noffset;
1191 	int fit_img_result;
1192 	char *uname;
1193 
1194 	/* Check to see if the images struct has a FIT configuration */
1195 	if (!genimg_has_config(images)) {
1196 		debug("## FIT configuration was not specified\n");
1197 		return 0;
1198 	}
1199 
1200 	/*
1201 	 * Obtain the os FIT header from the images struct
1202 	 * copy from dataflash if needed
1203 	 */
1204 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1205 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1206 	buf = map_sysmem(tmp_img_addr, 0);
1207 	/*
1208 	 * Check image type. For FIT images get FIT node
1209 	 * and attempt to locate a generic binary.
1210 	 */
1211 	switch (genimg_get_format(buf)) {
1212 	case IMAGE_FORMAT_FIT:
1213 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1214 
1215 		for (loadables_index = 0;
1216 		     !fdt_get_string_index(buf, conf_noffset,
1217 				FIT_LOADABLE_PROP,
1218 				loadables_index,
1219 				(const char **)&uname) > 0;
1220 		     loadables_index++)
1221 		{
1222 			fit_img_result = fit_image_load(images,
1223 				tmp_img_addr,
1224 				(const char **)&uname,
1225 				&(images->fit_uname_cfg), arch,
1226 				IH_TYPE_LOADABLE,
1227 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1228 				FIT_LOAD_OPTIONAL_NON_ZERO,
1229 				&img_data, &img_len);
1230 			if (fit_img_result < 0) {
1231 				/* Something went wrong! */
1232 				return fit_img_result;
1233 			}
1234 		}
1235 		break;
1236 	default:
1237 		printf("The given image format is not supported (corrupt?)\n");
1238 		return 1;
1239 	}
1240 
1241 	return 0;
1242 }
1243 #endif
1244 
1245 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1246 /**
1247  * boot_get_cmdline - allocate and initialize kernel cmdline
1248  * @lmb: pointer to lmb handle, will be used for memory mgmt
1249  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1250  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1251  *
1252  * boot_get_cmdline() allocates space for kernel command line below
1253  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1254  * variable is present its contents is copied to allocated kernel
1255  * command line.
1256  *
1257  * returns:
1258  *      0 - success
1259  *     -1 - failure
1260  */
1261 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1262 {
1263 	char *cmdline;
1264 	char *s;
1265 
1266 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1267 				getenv_bootm_mapsize() + getenv_bootm_low());
1268 
1269 	if (cmdline == NULL)
1270 		return -1;
1271 
1272 	if ((s = getenv("bootargs")) == NULL)
1273 		s = "";
1274 
1275 	strcpy(cmdline, s);
1276 
1277 	*cmd_start = (ulong) & cmdline[0];
1278 	*cmd_end = *cmd_start + strlen(cmdline);
1279 
1280 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1281 
1282 	return 0;
1283 }
1284 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1285 
1286 #ifdef CONFIG_SYS_BOOT_GET_KBD
1287 /**
1288  * boot_get_kbd - allocate and initialize kernel copy of board info
1289  * @lmb: pointer to lmb handle, will be used for memory mgmt
1290  * @kbd: double pointer to board info data
1291  *
1292  * boot_get_kbd() allocates space for kernel copy of board info data below
1293  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1294  * with the current u-boot board info data.
1295  *
1296  * returns:
1297  *      0 - success
1298  *     -1 - failure
1299  */
1300 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1301 {
1302 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1303 				getenv_bootm_mapsize() + getenv_bootm_low());
1304 	if (*kbd == NULL)
1305 		return -1;
1306 
1307 	**kbd = *(gd->bd);
1308 
1309 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1310 
1311 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1312 	do_bdinfo(NULL, 0, 0, NULL);
1313 #endif
1314 
1315 	return 0;
1316 }
1317 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1318 
1319 #ifdef CONFIG_LMB
1320 int image_setup_linux(bootm_headers_t *images)
1321 {
1322 	ulong of_size = images->ft_len;
1323 	char **of_flat_tree = &images->ft_addr;
1324 	ulong *initrd_start = &images->initrd_start;
1325 	ulong *initrd_end = &images->initrd_end;
1326 	struct lmb *lmb = &images->lmb;
1327 	ulong rd_len;
1328 	int ret;
1329 
1330 	if (IMAGE_ENABLE_OF_LIBFDT)
1331 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1332 
1333 	if (IMAGE_BOOT_GET_CMDLINE) {
1334 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1335 				&images->cmdline_end);
1336 		if (ret) {
1337 			puts("ERROR with allocation of cmdline\n");
1338 			return ret;
1339 		}
1340 	}
1341 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1342 		rd_len = images->rd_end - images->rd_start;
1343 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1344 				initrd_start, initrd_end);
1345 		if (ret)
1346 			return ret;
1347 	}
1348 
1349 	if (IMAGE_ENABLE_OF_LIBFDT) {
1350 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1351 		if (ret)
1352 			return ret;
1353 	}
1354 
1355 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1356 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1357 		if (ret)
1358 			return ret;
1359 	}
1360 
1361 	return 0;
1362 }
1363 #endif /* CONFIG_LMB */
1364 #endif /* !USE_HOSTCC */
1365