xref: /openbmc/u-boot/common/image.c (revision 4c3832cc)
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 /**
547  * get_table_entry_name - translate entry id to long name
548  * @table: pointer to a translation table for entries of a specific type
549  * @msg: message to be returned when translation fails
550  * @id: entry id to be translated
551  *
552  * get_table_entry_name() will go over translation table trying to find
553  * entry that matches given id. If matching entry is found, its long
554  * name is returned to the caller.
555  *
556  * returns:
557  *     long entry name if translation succeeds
558  *     msg otherwise
559  */
560 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
561 {
562 	for (; table->id >= 0; ++table) {
563 		if (table->id == id)
564 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
565 			return table->lname;
566 #else
567 			return table->lname + gd->reloc_off;
568 #endif
569 	}
570 	return (msg);
571 }
572 
573 const char *genimg_get_os_name(uint8_t os)
574 {
575 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
576 }
577 
578 const char *genimg_get_arch_name(uint8_t arch)
579 {
580 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
581 					arch));
582 }
583 
584 const char *genimg_get_type_name(uint8_t type)
585 {
586 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
587 }
588 
589 const char *genimg_get_comp_name(uint8_t comp)
590 {
591 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
592 					comp));
593 }
594 
595 /**
596  * get_table_entry_id - translate short entry name to id
597  * @table: pointer to a translation table for entries of a specific type
598  * @table_name: to be used in case of error
599  * @name: entry short name to be translated
600  *
601  * get_table_entry_id() will go over translation table trying to find
602  * entry that matches given short name. If matching entry is found,
603  * its id returned to the caller.
604  *
605  * returns:
606  *     entry id if translation succeeds
607  *     -1 otherwise
608  */
609 int get_table_entry_id(const table_entry_t *table,
610 		const char *table_name, const char *name)
611 {
612 	const table_entry_t *t;
613 #ifdef USE_HOSTCC
614 	int first = 1;
615 
616 	for (t = table; t->id >= 0; ++t) {
617 		if (t->sname && strcasecmp(t->sname, name) == 0)
618 			return(t->id);
619 	}
620 
621 	fprintf(stderr, "\nInvalid %s Type - valid names are", table_name);
622 	for (t = table; t->id >= 0; ++t) {
623 		if (t->sname == NULL)
624 			continue;
625 		fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname);
626 		first = 0;
627 	}
628 	fprintf(stderr, "\n");
629 #else
630 	for (t = table; t->id >= 0; ++t) {
631 #ifdef CONFIG_NEEDS_MANUAL_RELOC
632 		if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0)
633 #else
634 		if (t->sname && strcmp(t->sname, name) == 0)
635 #endif
636 			return (t->id);
637 	}
638 	debug("Invalid %s Type: %s\n", table_name, name);
639 #endif /* USE_HOSTCC */
640 	return (-1);
641 }
642 
643 int genimg_get_os_id(const char *name)
644 {
645 	return (get_table_entry_id(uimage_os, "OS", name));
646 }
647 
648 int genimg_get_arch_id(const char *name)
649 {
650 	return (get_table_entry_id(uimage_arch, "CPU", name));
651 }
652 
653 int genimg_get_type_id(const char *name)
654 {
655 	return (get_table_entry_id(uimage_type, "Image", name));
656 }
657 
658 int genimg_get_comp_id(const char *name)
659 {
660 	return (get_table_entry_id(uimage_comp, "Compression", name));
661 }
662 
663 #ifndef USE_HOSTCC
664 /**
665  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
666  *                              FIT strings
667  * @img_addr: a string might contain real image address
668  * @fit_uname_config: double pointer to a char, will hold pointer to a
669  *                    configuration unit name
670  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
671  *                    name
672  *
673  * genimg_get_kernel_addr_fit get the real kernel start address from a string
674  * which is normally the first argv of bootm/bootz
675  *
676  * returns:
677  *     kernel start address
678  */
679 ulong genimg_get_kernel_addr_fit(char * const img_addr,
680 			     const char **fit_uname_config,
681 			     const char **fit_uname_kernel)
682 {
683 	ulong kernel_addr;
684 
685 	/* find out kernel image address */
686 	if (!img_addr) {
687 		kernel_addr = load_addr;
688 		debug("*  kernel: default image load address = 0x%08lx\n",
689 		      load_addr);
690 #if defined(CONFIG_FIT)
691 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
692 				  fit_uname_config)) {
693 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
694 		      *fit_uname_config, kernel_addr);
695 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
696 				     fit_uname_kernel)) {
697 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
698 		      *fit_uname_kernel, kernel_addr);
699 #endif
700 	} else {
701 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
702 		debug("*  kernel: cmdline image address = 0x%08lx\n",
703 		      kernel_addr);
704 	}
705 
706 	return kernel_addr;
707 }
708 
709 /**
710  * genimg_get_kernel_addr() is the simple version of
711  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
712  */
713 ulong genimg_get_kernel_addr(char * const img_addr)
714 {
715 	const char *fit_uname_config = NULL;
716 	const char *fit_uname_kernel = NULL;
717 
718 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
719 					  &fit_uname_kernel);
720 }
721 
722 /**
723  * genimg_get_format - get image format type
724  * @img_addr: image start address
725  *
726  * genimg_get_format() checks whether provided address points to a valid
727  * legacy or FIT image.
728  *
729  * New uImage format and FDT blob are based on a libfdt. FDT blob
730  * may be passed directly or embedded in a FIT image. In both situations
731  * genimg_get_format() must be able to dectect libfdt header.
732  *
733  * returns:
734  *     image format type or IMAGE_FORMAT_INVALID if no image is present
735  */
736 int genimg_get_format(const void *img_addr)
737 {
738 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
739 	const image_header_t *hdr;
740 
741 	hdr = (const image_header_t *)img_addr;
742 	if (image_check_magic(hdr))
743 		return IMAGE_FORMAT_LEGACY;
744 #endif
745 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
746 	if (fdt_check_header(img_addr) == 0)
747 		return IMAGE_FORMAT_FIT;
748 #endif
749 #ifdef CONFIG_ANDROID_BOOT_IMAGE
750 	if (android_image_check_header(img_addr) == 0)
751 		return IMAGE_FORMAT_ANDROID;
752 #endif
753 
754 	return IMAGE_FORMAT_INVALID;
755 }
756 
757 /**
758  * genimg_get_image - get image from special storage (if necessary)
759  * @img_addr: image start address
760  *
761  * genimg_get_image() checks if provided image start address is located
762  * in a dataflash storage. If so, image is moved to a system RAM memory.
763  *
764  * returns:
765  *     image start address after possible relocation from special storage
766  */
767 ulong genimg_get_image(ulong img_addr)
768 {
769 	ulong ram_addr = img_addr;
770 
771 #ifdef CONFIG_HAS_DATAFLASH
772 	ulong h_size, d_size;
773 
774 	if (addr_dataflash(img_addr)) {
775 		void *buf;
776 
777 		/* ger RAM address */
778 		ram_addr = CONFIG_SYS_LOAD_ADDR;
779 
780 		/* get header size */
781 		h_size = image_get_header_size();
782 #if defined(CONFIG_FIT)
783 		if (sizeof(struct fdt_header) > h_size)
784 			h_size = sizeof(struct fdt_header);
785 #endif
786 
787 		/* read in header */
788 		debug("   Reading image header from dataflash address "
789 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
790 
791 		buf = map_sysmem(ram_addr, 0);
792 		read_dataflash(img_addr, h_size, buf);
793 
794 		/* get data size */
795 		switch (genimg_get_format(buf)) {
796 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
797 		case IMAGE_FORMAT_LEGACY:
798 			d_size = image_get_data_size(buf);
799 			debug("   Legacy format image found at 0x%08lx, "
800 					"size 0x%08lx\n",
801 					ram_addr, d_size);
802 			break;
803 #endif
804 #if defined(CONFIG_FIT)
805 		case IMAGE_FORMAT_FIT:
806 			d_size = fit_get_size(buf) - h_size;
807 			debug("   FIT/FDT format image found at 0x%08lx, "
808 					"size 0x%08lx\n",
809 					ram_addr, d_size);
810 			break;
811 #endif
812 		default:
813 			printf("   No valid image found at 0x%08lx\n",
814 				img_addr);
815 			return ram_addr;
816 		}
817 
818 		/* read in image data */
819 		debug("   Reading image remaining data from dataflash address "
820 			"%08lx to RAM address %08lx\n", img_addr + h_size,
821 			ram_addr + h_size);
822 
823 		read_dataflash(img_addr + h_size, d_size,
824 				(char *)(buf + h_size));
825 
826 	}
827 #endif /* CONFIG_HAS_DATAFLASH */
828 
829 	return ram_addr;
830 }
831 
832 /**
833  * fit_has_config - check if there is a valid FIT configuration
834  * @images: pointer to the bootm command headers structure
835  *
836  * fit_has_config() checks if there is a FIT configuration in use
837  * (if FTI support is present).
838  *
839  * returns:
840  *     0, no FIT support or no configuration found
841  *     1, configuration found
842  */
843 int genimg_has_config(bootm_headers_t *images)
844 {
845 #if defined(CONFIG_FIT)
846 	if (images->fit_uname_cfg)
847 		return 1;
848 #endif
849 	return 0;
850 }
851 
852 /**
853  * boot_get_ramdisk - main ramdisk handling routine
854  * @argc: command argument count
855  * @argv: command argument list
856  * @images: pointer to the bootm images structure
857  * @arch: expected ramdisk architecture
858  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
859  * @rd_end: pointer to a ulong variable, will hold ramdisk end
860  *
861  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
862  * Curently supported are the following ramdisk sources:
863  *      - multicomponent kernel/ramdisk image,
864  *      - commandline provided address of decicated ramdisk image.
865  *
866  * returns:
867  *     0, if ramdisk image was found and valid, or skiped
868  *     rd_start and rd_end are set to ramdisk start/end addresses if
869  *     ramdisk image is found and valid
870  *
871  *     1, if ramdisk image is found but corrupted, or invalid
872  *     rd_start and rd_end are set to 0 if no ramdisk exists
873  */
874 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
875 		uint8_t arch, ulong *rd_start, ulong *rd_end)
876 {
877 	ulong rd_addr, rd_load;
878 	ulong rd_data, rd_len;
879 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
880 	const image_header_t *rd_hdr;
881 #endif
882 	void *buf;
883 #ifdef CONFIG_SUPPORT_RAW_INITRD
884 	char *end;
885 #endif
886 #if defined(CONFIG_FIT)
887 	const char	*fit_uname_config = images->fit_uname_cfg;
888 	const char	*fit_uname_ramdisk = NULL;
889 	ulong		default_addr;
890 	int		rd_noffset;
891 #endif
892 	const char *select = NULL;
893 
894 	*rd_start = 0;
895 	*rd_end = 0;
896 
897 	if (argc >= 2)
898 		select = argv[1];
899 	/*
900 	 * Look for a '-' which indicates to ignore the
901 	 * ramdisk argument
902 	 */
903 	if (select && strcmp(select, "-") ==  0) {
904 		debug("## Skipping init Ramdisk\n");
905 		rd_len = rd_data = 0;
906 	} else if (select || genimg_has_config(images)) {
907 #if defined(CONFIG_FIT)
908 		if (select) {
909 			/*
910 			 * If the init ramdisk comes from the FIT image and
911 			 * the FIT image address is omitted in the command
912 			 * line argument, try to use os FIT image address or
913 			 * default load address.
914 			 */
915 			if (images->fit_uname_os)
916 				default_addr = (ulong)images->fit_hdr_os;
917 			else
918 				default_addr = load_addr;
919 
920 			if (fit_parse_conf(select, default_addr,
921 					   &rd_addr, &fit_uname_config)) {
922 				debug("*  ramdisk: config '%s' from image at "
923 						"0x%08lx\n",
924 						fit_uname_config, rd_addr);
925 			} else if (fit_parse_subimage(select, default_addr,
926 						&rd_addr, &fit_uname_ramdisk)) {
927 				debug("*  ramdisk: subimage '%s' from image at "
928 						"0x%08lx\n",
929 						fit_uname_ramdisk, rd_addr);
930 			} else
931 #endif
932 			{
933 				rd_addr = simple_strtoul(select, NULL, 16);
934 				debug("*  ramdisk: cmdline image address = "
935 						"0x%08lx\n",
936 						rd_addr);
937 			}
938 #if defined(CONFIG_FIT)
939 		} else {
940 			/* use FIT configuration provided in first bootm
941 			 * command argument. If the property is not defined,
942 			 * quit silently.
943 			 */
944 			rd_addr = map_to_sysmem(images->fit_hdr_os);
945 			rd_noffset = fit_get_node_from_config(images,
946 					FIT_RAMDISK_PROP, rd_addr);
947 			if (rd_noffset == -ENOLINK)
948 				return 0;
949 			else if (rd_noffset < 0)
950 				return 1;
951 		}
952 #endif
953 
954 		/* copy from dataflash if needed */
955 		rd_addr = genimg_get_image(rd_addr);
956 
957 		/*
958 		 * Check if there is an initrd image at the
959 		 * address provided in the second bootm argument
960 		 * check image type, for FIT images get FIT node.
961 		 */
962 		buf = map_sysmem(rd_addr, 0);
963 		switch (genimg_get_format(buf)) {
964 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
965 		case IMAGE_FORMAT_LEGACY:
966 			printf("## Loading init Ramdisk from Legacy "
967 					"Image at %08lx ...\n", rd_addr);
968 
969 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
970 			rd_hdr = image_get_ramdisk(rd_addr, arch,
971 							images->verify);
972 
973 			if (rd_hdr == NULL)
974 				return 1;
975 
976 			rd_data = image_get_data(rd_hdr);
977 			rd_len = image_get_data_size(rd_hdr);
978 			rd_load = image_get_load(rd_hdr);
979 			break;
980 #endif
981 #if defined(CONFIG_FIT)
982 		case IMAGE_FORMAT_FIT:
983 			rd_noffset = fit_image_load(images,
984 					rd_addr, &fit_uname_ramdisk,
985 					&fit_uname_config, arch,
986 					IH_TYPE_RAMDISK,
987 					BOOTSTAGE_ID_FIT_RD_START,
988 					FIT_LOAD_OPTIONAL_NON_ZERO,
989 					&rd_data, &rd_len);
990 			if (rd_noffset < 0)
991 				return 1;
992 
993 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
994 			images->fit_uname_rd = fit_uname_ramdisk;
995 			images->fit_noffset_rd = rd_noffset;
996 			break;
997 #endif
998 		default:
999 #ifdef CONFIG_SUPPORT_RAW_INITRD
1000 			end = NULL;
1001 			if (select)
1002 				end = strchr(select, ':');
1003 			if (end) {
1004 				rd_len = simple_strtoul(++end, NULL, 16);
1005 				rd_data = rd_addr;
1006 			} else
1007 #endif
1008 			{
1009 				puts("Wrong Ramdisk Image Format\n");
1010 				rd_data = rd_len = rd_load = 0;
1011 				return 1;
1012 			}
1013 		}
1014 	} else if (images->legacy_hdr_valid &&
1015 			image_check_type(&images->legacy_hdr_os_copy,
1016 						IH_TYPE_MULTI)) {
1017 
1018 		/*
1019 		 * Now check if we have a legacy mult-component image,
1020 		 * get second entry data start address and len.
1021 		 */
1022 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1023 		printf("## Loading init Ramdisk from multi component "
1024 				"Legacy Image at %08lx ...\n",
1025 				(ulong)images->legacy_hdr_os);
1026 
1027 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1028 	}
1029 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1030 	else if ((genimg_get_format((void *)images->os.start)
1031 			== IMAGE_FORMAT_ANDROID) &&
1032 		 (!android_image_get_ramdisk((void *)images->os.start,
1033 		 &rd_data, &rd_len))) {
1034 		/* empty */
1035 	}
1036 #endif
1037 	else {
1038 		/*
1039 		 * no initrd image
1040 		 */
1041 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1042 		rd_len = rd_data = 0;
1043 	}
1044 
1045 	if (!rd_data) {
1046 		debug("## No init Ramdisk\n");
1047 	} else {
1048 		*rd_start = rd_data;
1049 		*rd_end = rd_data + rd_len;
1050 	}
1051 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1052 			*rd_start, *rd_end);
1053 
1054 	return 0;
1055 }
1056 
1057 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1058 /**
1059  * boot_ramdisk_high - relocate init ramdisk
1060  * @lmb: pointer to lmb handle, will be used for memory mgmt
1061  * @rd_data: ramdisk data start address
1062  * @rd_len: ramdisk data length
1063  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1064  *      start address (after possible relocation)
1065  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1066  *      end address (after possible relocation)
1067  *
1068  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1069  * variable and if requested ramdisk data is moved to a specified location.
1070  *
1071  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1072  * start/end addresses if ramdisk image start and len were provided,
1073  * otherwise set initrd_start and initrd_end set to zeros.
1074  *
1075  * returns:
1076  *      0 - success
1077  *     -1 - failure
1078  */
1079 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1080 		  ulong *initrd_start, ulong *initrd_end)
1081 {
1082 	char	*s;
1083 	ulong	initrd_high;
1084 	int	initrd_copy_to_ram = 1;
1085 
1086 	if ((s = getenv("initrd_high")) != NULL) {
1087 		/* a value of "no" or a similar string will act like 0,
1088 		 * turning the "load high" feature off. This is intentional.
1089 		 */
1090 		initrd_high = simple_strtoul(s, NULL, 16);
1091 		if (initrd_high == ~0)
1092 			initrd_copy_to_ram = 0;
1093 	} else {
1094 		/* not set, no restrictions to load high */
1095 		initrd_high = ~0;
1096 	}
1097 
1098 
1099 #ifdef CONFIG_LOGBUFFER
1100 	/* Prevent initrd from overwriting logbuffer */
1101 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1102 #endif
1103 
1104 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1105 			initrd_high, initrd_copy_to_ram);
1106 
1107 	if (rd_data) {
1108 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1109 			debug("   in-place initrd\n");
1110 			*initrd_start = rd_data;
1111 			*initrd_end = rd_data + rd_len;
1112 			lmb_reserve(lmb, rd_data, rd_len);
1113 		} else {
1114 			if (initrd_high)
1115 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1116 						rd_len, 0x1000, initrd_high);
1117 			else
1118 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1119 								 0x1000);
1120 
1121 			if (*initrd_start == 0) {
1122 				puts("ramdisk - allocation error\n");
1123 				goto error;
1124 			}
1125 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1126 
1127 			*initrd_end = *initrd_start + rd_len;
1128 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1129 					*initrd_start, *initrd_end);
1130 
1131 			memmove_wd((void *)*initrd_start,
1132 					(void *)rd_data, rd_len, CHUNKSZ);
1133 
1134 #ifdef CONFIG_MP
1135 			/*
1136 			 * Ensure the image is flushed to memory to handle
1137 			 * AMP boot scenarios in which we might not be
1138 			 * HW cache coherent
1139 			 */
1140 			flush_cache((unsigned long)*initrd_start, rd_len);
1141 #endif
1142 			puts("OK\n");
1143 		}
1144 	} else {
1145 		*initrd_start = 0;
1146 		*initrd_end = 0;
1147 	}
1148 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1149 			*initrd_start, *initrd_end);
1150 
1151 	return 0;
1152 
1153 error:
1154 	return -1;
1155 }
1156 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1157 
1158 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1159 		   ulong *setup_start, ulong *setup_len)
1160 {
1161 #if defined(CONFIG_FIT)
1162 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1163 #else
1164 	return -ENOENT;
1165 #endif
1166 }
1167 
1168 #if defined(CONFIG_FIT)
1169 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1170 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1171 {
1172 	/*
1173 	 * These variables are used to hold the current image location
1174 	 * in system memory.
1175 	 */
1176 	ulong tmp_img_addr;
1177 	/*
1178 	 * These two variables are requirements for fit_image_load, but
1179 	 * their values are not used
1180 	 */
1181 	ulong img_data, img_len;
1182 	void *buf;
1183 	int loadables_index;
1184 	int conf_noffset;
1185 	int fit_img_result;
1186 	char *uname;
1187 
1188 	/* Check to see if the images struct has a FIT configuration */
1189 	if (!genimg_has_config(images)) {
1190 		debug("## FIT configuration was not specified\n");
1191 		return 0;
1192 	}
1193 
1194 	/*
1195 	 * Obtain the os FIT header from the images struct
1196 	 * copy from dataflash if needed
1197 	 */
1198 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1199 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1200 	buf = map_sysmem(tmp_img_addr, 0);
1201 	/*
1202 	 * Check image type. For FIT images get FIT node
1203 	 * and attempt to locate a generic binary.
1204 	 */
1205 	switch (genimg_get_format(buf)) {
1206 	case IMAGE_FORMAT_FIT:
1207 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1208 
1209 		for (loadables_index = 0;
1210 		     !fdt_get_string_index(buf, conf_noffset,
1211 				FIT_LOADABLE_PROP,
1212 				loadables_index,
1213 				(const char **)&uname) > 0;
1214 		     loadables_index++)
1215 		{
1216 			fit_img_result = fit_image_load(images,
1217 				tmp_img_addr,
1218 				(const char **)&uname,
1219 				&(images->fit_uname_cfg), arch,
1220 				IH_TYPE_LOADABLE,
1221 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1222 				FIT_LOAD_OPTIONAL_NON_ZERO,
1223 				&img_data, &img_len);
1224 			if (fit_img_result < 0) {
1225 				/* Something went wrong! */
1226 				return fit_img_result;
1227 			}
1228 		}
1229 		break;
1230 	default:
1231 		printf("The given image format is not supported (corrupt?)\n");
1232 		return 1;
1233 	}
1234 
1235 	return 0;
1236 }
1237 #endif
1238 
1239 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1240 /**
1241  * boot_get_cmdline - allocate and initialize kernel cmdline
1242  * @lmb: pointer to lmb handle, will be used for memory mgmt
1243  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1244  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1245  *
1246  * boot_get_cmdline() allocates space for kernel command line below
1247  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1248  * variable is present its contents is copied to allocated kernel
1249  * command line.
1250  *
1251  * returns:
1252  *      0 - success
1253  *     -1 - failure
1254  */
1255 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1256 {
1257 	char *cmdline;
1258 	char *s;
1259 
1260 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1261 				getenv_bootm_mapsize() + getenv_bootm_low());
1262 
1263 	if (cmdline == NULL)
1264 		return -1;
1265 
1266 	if ((s = getenv("bootargs")) == NULL)
1267 		s = "";
1268 
1269 	strcpy(cmdline, s);
1270 
1271 	*cmd_start = (ulong) & cmdline[0];
1272 	*cmd_end = *cmd_start + strlen(cmdline);
1273 
1274 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1275 
1276 	return 0;
1277 }
1278 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1279 
1280 #ifdef CONFIG_SYS_BOOT_GET_KBD
1281 /**
1282  * boot_get_kbd - allocate and initialize kernel copy of board info
1283  * @lmb: pointer to lmb handle, will be used for memory mgmt
1284  * @kbd: double pointer to board info data
1285  *
1286  * boot_get_kbd() allocates space for kernel copy of board info data below
1287  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1288  * with the current u-boot board info data.
1289  *
1290  * returns:
1291  *      0 - success
1292  *     -1 - failure
1293  */
1294 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1295 {
1296 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1297 				getenv_bootm_mapsize() + getenv_bootm_low());
1298 	if (*kbd == NULL)
1299 		return -1;
1300 
1301 	**kbd = *(gd->bd);
1302 
1303 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1304 
1305 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1306 	do_bdinfo(NULL, 0, 0, NULL);
1307 #endif
1308 
1309 	return 0;
1310 }
1311 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1312 
1313 #ifdef CONFIG_LMB
1314 int image_setup_linux(bootm_headers_t *images)
1315 {
1316 	ulong of_size = images->ft_len;
1317 	char **of_flat_tree = &images->ft_addr;
1318 	ulong *initrd_start = &images->initrd_start;
1319 	ulong *initrd_end = &images->initrd_end;
1320 	struct lmb *lmb = &images->lmb;
1321 	ulong rd_len;
1322 	int ret;
1323 
1324 	if (IMAGE_ENABLE_OF_LIBFDT)
1325 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1326 
1327 	if (IMAGE_BOOT_GET_CMDLINE) {
1328 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1329 				&images->cmdline_end);
1330 		if (ret) {
1331 			puts("ERROR with allocation of cmdline\n");
1332 			return ret;
1333 		}
1334 	}
1335 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1336 		rd_len = images->rd_end - images->rd_start;
1337 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1338 				initrd_start, initrd_end);
1339 		if (ret)
1340 			return ret;
1341 	}
1342 
1343 	if (IMAGE_ENABLE_OF_LIBFDT) {
1344 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1345 		if (ret)
1346 			return ret;
1347 	}
1348 
1349 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1350 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1351 		if (ret)
1352 			return ret;
1353 	}
1354 
1355 	return 0;
1356 }
1357 #endif /* CONFIG_LMB */
1358 #endif /* !USE_HOSTCC */
1359