xref: /openbmc/u-boot/common/image.c (revision 9ee16897)
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 
58 #ifndef __maybe_unused
59 # define __maybe_unused		/* unimplemented */
60 #endif
61 #endif /* !USE_HOSTCC*/
62 
63 #include <u-boot/crc.h>
64 
65 #ifndef CONFIG_SYS_BARGSIZE
66 #define CONFIG_SYS_BARGSIZE 512
67 #endif
68 
69 static const table_entry_t uimage_arch[] = {
70 	{	IH_ARCH_INVALID,	NULL,		"Invalid ARCH",	},
71 	{	IH_ARCH_ALPHA,		"alpha",	"Alpha",	},
72 	{	IH_ARCH_ARM,		"arm",		"ARM",		},
73 	{	IH_ARCH_I386,		"x86",		"Intel x86",	},
74 	{	IH_ARCH_IA64,		"ia64",		"IA64",		},
75 	{	IH_ARCH_M68K,		"m68k",		"M68K",		},
76 	{	IH_ARCH_MICROBLAZE,	"microblaze",	"MicroBlaze",	},
77 	{	IH_ARCH_MIPS,		"mips",		"MIPS",		},
78 	{	IH_ARCH_MIPS64,		"mips64",	"MIPS 64 Bit",	},
79 	{	IH_ARCH_NIOS2,		"nios2",	"NIOS II",	},
80 	{	IH_ARCH_PPC,		"powerpc",	"PowerPC",	},
81 	{	IH_ARCH_PPC,		"ppc",		"PowerPC",	},
82 	{	IH_ARCH_S390,		"s390",		"IBM S390",	},
83 	{	IH_ARCH_SH,		"sh",		"SuperH",	},
84 	{	IH_ARCH_SPARC,		"sparc",	"SPARC",	},
85 	{	IH_ARCH_SPARC64,	"sparc64",	"SPARC 64 Bit",	},
86 	{	IH_ARCH_BLACKFIN,	"blackfin",	"Blackfin",	},
87 	{	IH_ARCH_AVR32,		"avr32",	"AVR32",	},
88 	{	IH_ARCH_NDS32,		"nds32",	"NDS32",	},
89 	{	IH_ARCH_OPENRISC,	"or1k",		"OpenRISC 1000",},
90 	{	IH_ARCH_SANDBOX,	"sandbox",	"Sandbox",	},
91 	{	IH_ARCH_ARM64,		"arm64",	"AArch64",	},
92 	{	IH_ARCH_ARC,		"arc",		"ARC",		},
93 	{	IH_ARCH_X86_64,		"x86_64",	"AMD x86_64",	},
94 	{	-1,			"",		"",		},
95 };
96 
97 static const table_entry_t uimage_os[] = {
98 	{	IH_OS_INVALID,	NULL,		"Invalid OS",		},
99 	{	IH_OS_LINUX,	"linux",	"Linux",		},
100 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
101 	{	IH_OS_LYNXOS,	"lynxos",	"LynxOS",		},
102 #endif
103 	{	IH_OS_NETBSD,	"netbsd",	"NetBSD",		},
104 	{	IH_OS_OSE,	"ose",		"Enea OSE",		},
105 	{	IH_OS_PLAN9,	"plan9",	"Plan 9",		},
106 	{	IH_OS_RTEMS,	"rtems",	"RTEMS",		},
107 	{	IH_OS_U_BOOT,	"u-boot",	"U-Boot",		},
108 	{	IH_OS_VXWORKS,	"vxworks",	"VxWorks",		},
109 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
110 	{	IH_OS_QNX,	"qnx",		"QNX",			},
111 #endif
112 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
113 	{	IH_OS_INTEGRITY,"integrity",	"INTEGRITY",		},
114 #endif
115 #ifdef USE_HOSTCC
116 	{	IH_OS_4_4BSD,	"4_4bsd",	"4_4BSD",		},
117 	{	IH_OS_DELL,	"dell",		"Dell",			},
118 	{	IH_OS_ESIX,	"esix",		"Esix",			},
119 	{	IH_OS_FREEBSD,	"freebsd",	"FreeBSD",		},
120 	{	IH_OS_IRIX,	"irix",		"Irix",			},
121 	{	IH_OS_NCR,	"ncr",		"NCR",			},
122 	{	IH_OS_OPENBSD,	"openbsd",	"OpenBSD",		},
123 	{	IH_OS_PSOS,	"psos",		"pSOS",			},
124 	{	IH_OS_SCO,	"sco",		"SCO",			},
125 	{	IH_OS_SOLARIS,	"solaris",	"Solaris",		},
126 	{	IH_OS_SVR4,	"svr4",		"SVR4",			},
127 #endif
128 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
129 	{	IH_OS_OPENRTOS,	"openrtos",	"OpenRTOS",		},
130 #endif
131 
132 	{	-1,		"",		"",			},
133 };
134 
135 static const table_entry_t uimage_type[] = {
136 	{	IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
137 	{	IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",	},
138 	{	IH_TYPE_FIRMWARE,   "firmware",	  "Firmware",		},
139 	{	IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",	},
140 	{	IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
141 	{	IH_TYPE_KERNEL,	    "kernel",	  "Kernel Image",	},
142 	{	IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
143 	{	IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
144 	{	IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
145 	{	IH_TYPE_INVALID,    NULL,	  "Invalid Image",	},
146 	{	IH_TYPE_MULTI,	    "multi",	  "Multi-File Image",	},
147 	{	IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
148 	{	IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
149 	{	IH_TYPE_RAMDISK,    "ramdisk",	  "RAMDisk Image",	},
150 	{	IH_TYPE_SCRIPT,     "script",	  "Script",		},
151 	{	IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",},
152 	{	IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
153 	{	IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
154 	{	IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
155 	{	IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
156 	{	IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
157 	{	IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
158 	{	-1,		    "",		  "",			},
159 };
160 
161 static const table_entry_t uimage_comp[] = {
162 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
163 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
164 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
165 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
166 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
167 	{	-1,		"",		"",			},
168 };
169 
170 /*****************************************************************************/
171 /* Legacy format routines */
172 /*****************************************************************************/
173 int image_check_hcrc(const image_header_t *hdr)
174 {
175 	ulong hcrc;
176 	ulong len = image_get_header_size();
177 	image_header_t header;
178 
179 	/* Copy header so we can blank CRC field for re-calculation */
180 	memmove(&header, (char *)hdr, image_get_header_size());
181 	image_set_hcrc(&header, 0);
182 
183 	hcrc = crc32(0, (unsigned char *)&header, len);
184 
185 	return (hcrc == image_get_hcrc(hdr));
186 }
187 
188 int image_check_dcrc(const image_header_t *hdr)
189 {
190 	ulong data = image_get_data(hdr);
191 	ulong len = image_get_data_size(hdr);
192 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
193 
194 	return (dcrc == image_get_dcrc(hdr));
195 }
196 
197 /**
198  * image_multi_count - get component (sub-image) count
199  * @hdr: pointer to the header of the multi component image
200  *
201  * image_multi_count() returns number of components in a multi
202  * component image.
203  *
204  * Note: no checking of the image type is done, caller must pass
205  * a valid multi component image.
206  *
207  * returns:
208  *     number of components
209  */
210 ulong image_multi_count(const image_header_t *hdr)
211 {
212 	ulong i, count = 0;
213 	uint32_t *size;
214 
215 	/* get start of the image payload, which in case of multi
216 	 * component images that points to a table of component sizes */
217 	size = (uint32_t *)image_get_data(hdr);
218 
219 	/* count non empty slots */
220 	for (i = 0; size[i]; ++i)
221 		count++;
222 
223 	return count;
224 }
225 
226 /**
227  * image_multi_getimg - get component data address and size
228  * @hdr: pointer to the header of the multi component image
229  * @idx: index of the requested component
230  * @data: pointer to a ulong variable, will hold component data address
231  * @len: pointer to a ulong variable, will hold component size
232  *
233  * image_multi_getimg() returns size and data address for the requested
234  * component in a multi component image.
235  *
236  * Note: no checking of the image type is done, caller must pass
237  * a valid multi component image.
238  *
239  * returns:
240  *     data address and size of the component, if idx is valid
241  *     0 in data and len, if idx is out of range
242  */
243 void image_multi_getimg(const image_header_t *hdr, ulong idx,
244 			ulong *data, ulong *len)
245 {
246 	int i;
247 	uint32_t *size;
248 	ulong offset, count, img_data;
249 
250 	/* get number of component */
251 	count = image_multi_count(hdr);
252 
253 	/* get start of the image payload, which in case of multi
254 	 * component images that points to a table of component sizes */
255 	size = (uint32_t *)image_get_data(hdr);
256 
257 	/* get address of the proper component data start, which means
258 	 * skipping sizes table (add 1 for last, null entry) */
259 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
260 
261 	if (idx < count) {
262 		*len = uimage_to_cpu(size[idx]);
263 		offset = 0;
264 
265 		/* go over all indices preceding requested component idx */
266 		for (i = 0; i < idx; i++) {
267 			/* add up i-th component size, rounding up to 4 bytes */
268 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
269 		}
270 
271 		/* calculate idx-th component data address */
272 		*data = img_data + offset;
273 	} else {
274 		*len = 0;
275 		*data = 0;
276 	}
277 }
278 
279 static void image_print_type(const image_header_t *hdr)
280 {
281 	const char __maybe_unused *os, *arch, *type, *comp;
282 
283 	os = genimg_get_os_name(image_get_os(hdr));
284 	arch = genimg_get_arch_name(image_get_arch(hdr));
285 	type = genimg_get_type_name(image_get_type(hdr));
286 	comp = genimg_get_comp_name(image_get_comp(hdr));
287 
288 	printf("%s %s %s (%s)\n", arch, os, type, comp);
289 }
290 
291 /**
292  * image_print_contents - prints out the contents of the legacy format image
293  * @ptr: pointer to the legacy format image header
294  * @p: pointer to prefix string
295  *
296  * image_print_contents() formats a multi line legacy image contents description.
297  * The routine prints out all header fields followed by the size/offset data
298  * for MULTI/SCRIPT images.
299  *
300  * returns:
301  *     no returned results
302  */
303 void image_print_contents(const void *ptr)
304 {
305 	const image_header_t *hdr = (const image_header_t *)ptr;
306 	const char __maybe_unused *p;
307 
308 	p = IMAGE_INDENT_STRING;
309 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
310 	if (IMAGE_ENABLE_TIMESTAMP) {
311 		printf("%sCreated:      ", p);
312 		genimg_print_time((time_t)image_get_time(hdr));
313 	}
314 	printf("%sImage Type:   ", p);
315 	image_print_type(hdr);
316 	printf("%sData Size:    ", p);
317 	genimg_print_size(image_get_data_size(hdr));
318 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
319 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
320 
321 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
322 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
323 		int i;
324 		ulong data, len;
325 		ulong count = image_multi_count(hdr);
326 
327 		printf("%sContents:\n", p);
328 		for (i = 0; i < count; i++) {
329 			image_multi_getimg(hdr, i, &data, &len);
330 
331 			printf("%s   Image %d: ", p, i);
332 			genimg_print_size(len);
333 
334 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
335 				/*
336 				 * the user may need to know offsets
337 				 * if planning to do something with
338 				 * multiple files
339 				 */
340 				printf("%s    Offset = 0x%08lx\n", p, data);
341 			}
342 		}
343 	}
344 }
345 
346 
347 #ifndef USE_HOSTCC
348 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
349 /**
350  * image_get_ramdisk - get and verify ramdisk image
351  * @rd_addr: ramdisk image start address
352  * @arch: expected ramdisk architecture
353  * @verify: checksum verification flag
354  *
355  * image_get_ramdisk() returns a pointer to the verified ramdisk image
356  * header. Routine receives image start address and expected architecture
357  * flag. Verification done covers data and header integrity and os/type/arch
358  * fields checking.
359  *
360  * If dataflash support is enabled routine checks for dataflash addresses
361  * and handles required dataflash reads.
362  *
363  * returns:
364  *     pointer to a ramdisk image header, if image was found and valid
365  *     otherwise, return NULL
366  */
367 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
368 						int verify)
369 {
370 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
371 
372 	if (!image_check_magic(rd_hdr)) {
373 		puts("Bad Magic Number\n");
374 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
375 		return NULL;
376 	}
377 
378 	if (!image_check_hcrc(rd_hdr)) {
379 		puts("Bad Header Checksum\n");
380 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
381 		return NULL;
382 	}
383 
384 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
385 	image_print_contents(rd_hdr);
386 
387 	if (verify) {
388 		puts("   Verifying Checksum ... ");
389 		if (!image_check_dcrc(rd_hdr)) {
390 			puts("Bad Data CRC\n");
391 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
392 			return NULL;
393 		}
394 		puts("OK\n");
395 	}
396 
397 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
398 
399 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
400 	    !image_check_arch(rd_hdr, arch) ||
401 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
402 		printf("No Linux %s Ramdisk Image\n",
403 				genimg_get_arch_name(arch));
404 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
405 		return NULL;
406 	}
407 
408 	return rd_hdr;
409 }
410 #endif
411 #endif /* !USE_HOSTCC */
412 
413 /*****************************************************************************/
414 /* Shared dual-format routines */
415 /*****************************************************************************/
416 #ifndef USE_HOSTCC
417 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
418 ulong save_addr;			/* Default Save Address */
419 ulong save_size;			/* Default Save Size (in bytes) */
420 
421 static int on_loadaddr(const char *name, const char *value, enum env_op op,
422 	int flags)
423 {
424 	switch (op) {
425 	case env_op_create:
426 	case env_op_overwrite:
427 		load_addr = simple_strtoul(value, NULL, 16);
428 		break;
429 	default:
430 		break;
431 	}
432 
433 	return 0;
434 }
435 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
436 
437 ulong getenv_bootm_low(void)
438 {
439 	char *s = getenv("bootm_low");
440 	if (s) {
441 		ulong tmp = simple_strtoul(s, NULL, 16);
442 		return tmp;
443 	}
444 
445 #if defined(CONFIG_SYS_SDRAM_BASE)
446 	return CONFIG_SYS_SDRAM_BASE;
447 #elif defined(CONFIG_ARM)
448 	return gd->bd->bi_dram[0].start;
449 #else
450 	return 0;
451 #endif
452 }
453 
454 phys_size_t getenv_bootm_size(void)
455 {
456 	phys_size_t tmp;
457 	char *s = getenv("bootm_size");
458 	if (s) {
459 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
460 		return tmp;
461 	}
462 	s = getenv("bootm_low");
463 	if (s)
464 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
465 	else
466 		tmp = 0;
467 
468 
469 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
470 	return gd->bd->bi_dram[0].size - tmp;
471 #else
472 	return gd->bd->bi_memsize - tmp;
473 #endif
474 }
475 
476 phys_size_t getenv_bootm_mapsize(void)
477 {
478 	phys_size_t tmp;
479 	char *s = getenv("bootm_mapsize");
480 	if (s) {
481 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
482 		return tmp;
483 	}
484 
485 #if defined(CONFIG_SYS_BOOTMAPSZ)
486 	return CONFIG_SYS_BOOTMAPSZ;
487 #else
488 	return getenv_bootm_size();
489 #endif
490 }
491 
492 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
493 {
494 	if (to == from)
495 		return;
496 
497 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
498 	if (to > from) {
499 		from += len;
500 		to += len;
501 	}
502 	while (len > 0) {
503 		size_t tail = (len > chunksz) ? chunksz : len;
504 		WATCHDOG_RESET();
505 		if (to > from) {
506 			to -= tail;
507 			from -= tail;
508 		}
509 		memmove(to, from, tail);
510 		if (to < from) {
511 			to += tail;
512 			from += tail;
513 		}
514 		len -= tail;
515 	}
516 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
517 	memmove(to, from, len);
518 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
519 }
520 #endif /* !USE_HOSTCC */
521 
522 void genimg_print_size(uint32_t size)
523 {
524 #ifndef USE_HOSTCC
525 	printf("%d Bytes = ", size);
526 	print_size(size, "\n");
527 #else
528 	printf("%d Bytes = %.2f kB = %.2f MB\n",
529 			size, (double)size / 1.024e3,
530 			(double)size / 1.048576e6);
531 #endif
532 }
533 
534 #if IMAGE_ENABLE_TIMESTAMP
535 void genimg_print_time(time_t timestamp)
536 {
537 #ifndef USE_HOSTCC
538 	struct rtc_time tm;
539 
540 	rtc_to_tm(timestamp, &tm);
541 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
542 			tm.tm_year, tm.tm_mon, tm.tm_mday,
543 			tm.tm_hour, tm.tm_min, tm.tm_sec);
544 #else
545 	printf("%s", ctime(&timestamp));
546 #endif
547 }
548 #endif
549 
550 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
551 {
552 	for (; table->id >= 0; ++table) {
553 		if (table->id == id)
554 			return table;
555 	}
556 	return NULL;
557 }
558 
559 /**
560  * get_table_entry_name - translate entry id to long name
561  * @table: pointer to a translation table for entries of a specific type
562  * @msg: message to be returned when translation fails
563  * @id: entry id to be translated
564  *
565  * get_table_entry_name() will go over translation table trying to find
566  * entry that matches given id. If matching entry is found, its long
567  * name is returned to the caller.
568  *
569  * returns:
570  *     long entry name if translation succeeds
571  *     msg otherwise
572  */
573 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
574 {
575 	table = get_table_entry(table, id);
576 	if (!table)
577 		return msg;
578 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
579 	return table->lname;
580 #else
581 	return table->lname + gd->reloc_off;
582 #endif
583 }
584 
585 const char *genimg_get_os_name(uint8_t os)
586 {
587 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
588 }
589 
590 const char *genimg_get_arch_name(uint8_t arch)
591 {
592 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
593 					arch));
594 }
595 
596 const char *genimg_get_type_name(uint8_t type)
597 {
598 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
599 }
600 
601 const char *genimg_get_type_short_name(uint8_t type)
602 {
603 	const table_entry_t *table;
604 
605 	table = get_table_entry(uimage_type, type);
606 	if (!table)
607 		return "unknown";
608 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
609 	return table->sname;
610 #else
611 	return table->sname + gd->reloc_off;
612 #endif
613 }
614 
615 const char *genimg_get_comp_name(uint8_t comp)
616 {
617 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
618 					comp));
619 }
620 
621 /**
622  * get_table_entry_id - translate short entry name to id
623  * @table: pointer to a translation table for entries of a specific type
624  * @table_name: to be used in case of error
625  * @name: entry short name to be translated
626  *
627  * get_table_entry_id() will go over translation table trying to find
628  * entry that matches given short name. If matching entry is found,
629  * its id returned to the caller.
630  *
631  * returns:
632  *     entry id if translation succeeds
633  *     -1 otherwise
634  */
635 int get_table_entry_id(const table_entry_t *table,
636 		const char *table_name, const char *name)
637 {
638 	const table_entry_t *t;
639 
640 	for (t = table; t->id >= 0; ++t) {
641 #ifdef CONFIG_NEEDS_MANUAL_RELOC
642 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
643 #else
644 		if (t->sname && strcasecmp(t->sname, name) == 0)
645 #endif
646 			return (t->id);
647 	}
648 	debug("Invalid %s Type: %s\n", table_name, name);
649 
650 	return -1;
651 }
652 
653 int genimg_get_os_id(const char *name)
654 {
655 	return (get_table_entry_id(uimage_os, "OS", name));
656 }
657 
658 int genimg_get_arch_id(const char *name)
659 {
660 	return (get_table_entry_id(uimage_arch, "CPU", name));
661 }
662 
663 int genimg_get_type_id(const char *name)
664 {
665 	return (get_table_entry_id(uimage_type, "Image", name));
666 }
667 
668 int genimg_get_comp_id(const char *name)
669 {
670 	return (get_table_entry_id(uimage_comp, "Compression", name));
671 }
672 
673 #ifndef USE_HOSTCC
674 /**
675  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
676  *                              FIT strings
677  * @img_addr: a string might contain real image address
678  * @fit_uname_config: double pointer to a char, will hold pointer to a
679  *                    configuration unit name
680  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
681  *                    name
682  *
683  * genimg_get_kernel_addr_fit get the real kernel start address from a string
684  * which is normally the first argv of bootm/bootz
685  *
686  * returns:
687  *     kernel start address
688  */
689 ulong genimg_get_kernel_addr_fit(char * const img_addr,
690 			     const char **fit_uname_config,
691 			     const char **fit_uname_kernel)
692 {
693 	ulong kernel_addr;
694 
695 	/* find out kernel image address */
696 	if (!img_addr) {
697 		kernel_addr = load_addr;
698 		debug("*  kernel: default image load address = 0x%08lx\n",
699 		      load_addr);
700 #if defined(CONFIG_FIT)
701 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
702 				  fit_uname_config)) {
703 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
704 		      *fit_uname_config, kernel_addr);
705 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
706 				     fit_uname_kernel)) {
707 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
708 		      *fit_uname_kernel, kernel_addr);
709 #endif
710 	} else {
711 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
712 		debug("*  kernel: cmdline image address = 0x%08lx\n",
713 		      kernel_addr);
714 	}
715 
716 	return kernel_addr;
717 }
718 
719 /**
720  * genimg_get_kernel_addr() is the simple version of
721  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
722  */
723 ulong genimg_get_kernel_addr(char * const img_addr)
724 {
725 	const char *fit_uname_config = NULL;
726 	const char *fit_uname_kernel = NULL;
727 
728 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
729 					  &fit_uname_kernel);
730 }
731 
732 /**
733  * genimg_get_format - get image format type
734  * @img_addr: image start address
735  *
736  * genimg_get_format() checks whether provided address points to a valid
737  * legacy or FIT image.
738  *
739  * New uImage format and FDT blob are based on a libfdt. FDT blob
740  * may be passed directly or embedded in a FIT image. In both situations
741  * genimg_get_format() must be able to dectect libfdt header.
742  *
743  * returns:
744  *     image format type or IMAGE_FORMAT_INVALID if no image is present
745  */
746 int genimg_get_format(const void *img_addr)
747 {
748 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
749 	const image_header_t *hdr;
750 
751 	hdr = (const image_header_t *)img_addr;
752 	if (image_check_magic(hdr))
753 		return IMAGE_FORMAT_LEGACY;
754 #endif
755 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
756 	if (fdt_check_header(img_addr) == 0)
757 		return IMAGE_FORMAT_FIT;
758 #endif
759 #ifdef CONFIG_ANDROID_BOOT_IMAGE
760 	if (android_image_check_header(img_addr) == 0)
761 		return IMAGE_FORMAT_ANDROID;
762 #endif
763 
764 	return IMAGE_FORMAT_INVALID;
765 }
766 
767 /**
768  * genimg_get_image - get image from special storage (if necessary)
769  * @img_addr: image start address
770  *
771  * genimg_get_image() checks if provided image start address is located
772  * in a dataflash storage. If so, image is moved to a system RAM memory.
773  *
774  * returns:
775  *     image start address after possible relocation from special storage
776  */
777 ulong genimg_get_image(ulong img_addr)
778 {
779 	ulong ram_addr = img_addr;
780 
781 #ifdef CONFIG_HAS_DATAFLASH
782 	ulong h_size, d_size;
783 
784 	if (addr_dataflash(img_addr)) {
785 		void *buf;
786 
787 		/* ger RAM address */
788 		ram_addr = CONFIG_SYS_LOAD_ADDR;
789 
790 		/* get header size */
791 		h_size = image_get_header_size();
792 #if defined(CONFIG_FIT)
793 		if (sizeof(struct fdt_header) > h_size)
794 			h_size = sizeof(struct fdt_header);
795 #endif
796 
797 		/* read in header */
798 		debug("   Reading image header from dataflash address "
799 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
800 
801 		buf = map_sysmem(ram_addr, 0);
802 		read_dataflash(img_addr, h_size, buf);
803 
804 		/* get data size */
805 		switch (genimg_get_format(buf)) {
806 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
807 		case IMAGE_FORMAT_LEGACY:
808 			d_size = image_get_data_size(buf);
809 			debug("   Legacy format image found at 0x%08lx, "
810 					"size 0x%08lx\n",
811 					ram_addr, d_size);
812 			break;
813 #endif
814 #if defined(CONFIG_FIT)
815 		case IMAGE_FORMAT_FIT:
816 			d_size = fit_get_size(buf) - h_size;
817 			debug("   FIT/FDT format image found at 0x%08lx, "
818 					"size 0x%08lx\n",
819 					ram_addr, d_size);
820 			break;
821 #endif
822 		default:
823 			printf("   No valid image found at 0x%08lx\n",
824 				img_addr);
825 			return ram_addr;
826 		}
827 
828 		/* read in image data */
829 		debug("   Reading image remaining data from dataflash address "
830 			"%08lx to RAM address %08lx\n", img_addr + h_size,
831 			ram_addr + h_size);
832 
833 		read_dataflash(img_addr + h_size, d_size,
834 				(char *)(buf + h_size));
835 
836 	}
837 #endif /* CONFIG_HAS_DATAFLASH */
838 
839 	return ram_addr;
840 }
841 
842 /**
843  * fit_has_config - check if there is a valid FIT configuration
844  * @images: pointer to the bootm command headers structure
845  *
846  * fit_has_config() checks if there is a FIT configuration in use
847  * (if FTI support is present).
848  *
849  * returns:
850  *     0, no FIT support or no configuration found
851  *     1, configuration found
852  */
853 int genimg_has_config(bootm_headers_t *images)
854 {
855 #if defined(CONFIG_FIT)
856 	if (images->fit_uname_cfg)
857 		return 1;
858 #endif
859 	return 0;
860 }
861 
862 /**
863  * boot_get_ramdisk - main ramdisk handling routine
864  * @argc: command argument count
865  * @argv: command argument list
866  * @images: pointer to the bootm images structure
867  * @arch: expected ramdisk architecture
868  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
869  * @rd_end: pointer to a ulong variable, will hold ramdisk end
870  *
871  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
872  * Curently supported are the following ramdisk sources:
873  *      - multicomponent kernel/ramdisk image,
874  *      - commandline provided address of decicated ramdisk image.
875  *
876  * returns:
877  *     0, if ramdisk image was found and valid, or skiped
878  *     rd_start and rd_end are set to ramdisk start/end addresses if
879  *     ramdisk image is found and valid
880  *
881  *     1, if ramdisk image is found but corrupted, or invalid
882  *     rd_start and rd_end are set to 0 if no ramdisk exists
883  */
884 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
885 		uint8_t arch, ulong *rd_start, ulong *rd_end)
886 {
887 	ulong rd_addr, rd_load;
888 	ulong rd_data, rd_len;
889 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
890 	const image_header_t *rd_hdr;
891 #endif
892 	void *buf;
893 #ifdef CONFIG_SUPPORT_RAW_INITRD
894 	char *end;
895 #endif
896 #if defined(CONFIG_FIT)
897 	const char	*fit_uname_config = images->fit_uname_cfg;
898 	const char	*fit_uname_ramdisk = NULL;
899 	ulong		default_addr;
900 	int		rd_noffset;
901 #endif
902 	const char *select = NULL;
903 
904 	*rd_start = 0;
905 	*rd_end = 0;
906 
907 	if (argc >= 2)
908 		select = argv[1];
909 
910 	/*
911 	 * Look for a '-' which indicates to ignore the
912 	 * ramdisk argument
913 	 */
914 	if (select && strcmp(select, "-") ==  0) {
915 		debug("## Skipping init Ramdisk\n");
916 		rd_len = rd_data = 0;
917 	} else if (select || genimg_has_config(images)) {
918 #if defined(CONFIG_FIT)
919 		if (select) {
920 			/*
921 			 * If the init ramdisk comes from the FIT image and
922 			 * the FIT image address is omitted in the command
923 			 * line argument, try to use os FIT image address or
924 			 * default load address.
925 			 */
926 			if (images->fit_uname_os)
927 				default_addr = (ulong)images->fit_hdr_os;
928 			else
929 				default_addr = load_addr;
930 
931 			if (fit_parse_conf(select, default_addr,
932 					   &rd_addr, &fit_uname_config)) {
933 				debug("*  ramdisk: config '%s' from image at "
934 						"0x%08lx\n",
935 						fit_uname_config, rd_addr);
936 			} else if (fit_parse_subimage(select, default_addr,
937 						&rd_addr, &fit_uname_ramdisk)) {
938 				debug("*  ramdisk: subimage '%s' from image at "
939 						"0x%08lx\n",
940 						fit_uname_ramdisk, rd_addr);
941 			} else
942 #endif
943 			{
944 				rd_addr = simple_strtoul(select, NULL, 16);
945 				debug("*  ramdisk: cmdline image address = "
946 						"0x%08lx\n",
947 						rd_addr);
948 			}
949 #if defined(CONFIG_FIT)
950 		} else {
951 			/* use FIT configuration provided in first bootm
952 			 * command argument. If the property is not defined,
953 			 * quit silently.
954 			 */
955 			rd_addr = map_to_sysmem(images->fit_hdr_os);
956 			rd_noffset = fit_get_node_from_config(images,
957 					FIT_RAMDISK_PROP, rd_addr);
958 			if (rd_noffset == -ENOLINK)
959 				return 0;
960 			else if (rd_noffset < 0)
961 				return 1;
962 		}
963 #endif
964 
965 		/* copy from dataflash if needed */
966 		rd_addr = genimg_get_image(rd_addr);
967 
968 		/*
969 		 * Check if there is an initrd image at the
970 		 * address provided in the second bootm argument
971 		 * check image type, for FIT images get FIT node.
972 		 */
973 		buf = map_sysmem(rd_addr, 0);
974 		switch (genimg_get_format(buf)) {
975 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
976 		case IMAGE_FORMAT_LEGACY:
977 			printf("## Loading init Ramdisk from Legacy "
978 					"Image at %08lx ...\n", rd_addr);
979 
980 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
981 			rd_hdr = image_get_ramdisk(rd_addr, arch,
982 							images->verify);
983 
984 			if (rd_hdr == NULL)
985 				return 1;
986 
987 			rd_data = image_get_data(rd_hdr);
988 			rd_len = image_get_data_size(rd_hdr);
989 			rd_load = image_get_load(rd_hdr);
990 			break;
991 #endif
992 #if defined(CONFIG_FIT)
993 		case IMAGE_FORMAT_FIT:
994 			rd_noffset = fit_image_load(images,
995 					rd_addr, &fit_uname_ramdisk,
996 					&fit_uname_config, arch,
997 					IH_TYPE_RAMDISK,
998 					BOOTSTAGE_ID_FIT_RD_START,
999 					FIT_LOAD_OPTIONAL_NON_ZERO,
1000 					&rd_data, &rd_len);
1001 			if (rd_noffset < 0)
1002 				return 1;
1003 
1004 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1005 			images->fit_uname_rd = fit_uname_ramdisk;
1006 			images->fit_noffset_rd = rd_noffset;
1007 			break;
1008 #endif
1009 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1010 		case IMAGE_FORMAT_ANDROID:
1011 			android_image_get_ramdisk((void *)images->os.start,
1012 				&rd_data, &rd_len);
1013 			break;
1014 #endif
1015 		default:
1016 #ifdef CONFIG_SUPPORT_RAW_INITRD
1017 			end = NULL;
1018 			if (select)
1019 				end = strchr(select, ':');
1020 			if (end) {
1021 				rd_len = simple_strtoul(++end, NULL, 16);
1022 				rd_data = rd_addr;
1023 			} else
1024 #endif
1025 			{
1026 				puts("Wrong Ramdisk Image Format\n");
1027 				rd_data = rd_len = rd_load = 0;
1028 				return 1;
1029 			}
1030 		}
1031 	} else if (images->legacy_hdr_valid &&
1032 			image_check_type(&images->legacy_hdr_os_copy,
1033 						IH_TYPE_MULTI)) {
1034 
1035 		/*
1036 		 * Now check if we have a legacy mult-component image,
1037 		 * get second entry data start address and len.
1038 		 */
1039 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1040 		printf("## Loading init Ramdisk from multi component "
1041 				"Legacy Image at %08lx ...\n",
1042 				(ulong)images->legacy_hdr_os);
1043 
1044 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1045 	} else {
1046 		/*
1047 		 * no initrd image
1048 		 */
1049 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1050 		rd_len = rd_data = 0;
1051 	}
1052 
1053 	if (!rd_data) {
1054 		debug("## No init Ramdisk\n");
1055 	} else {
1056 		*rd_start = rd_data;
1057 		*rd_end = rd_data + rd_len;
1058 	}
1059 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1060 			*rd_start, *rd_end);
1061 
1062 	return 0;
1063 }
1064 
1065 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1066 /**
1067  * boot_ramdisk_high - relocate init ramdisk
1068  * @lmb: pointer to lmb handle, will be used for memory mgmt
1069  * @rd_data: ramdisk data start address
1070  * @rd_len: ramdisk data length
1071  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1072  *      start address (after possible relocation)
1073  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1074  *      end address (after possible relocation)
1075  *
1076  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1077  * variable and if requested ramdisk data is moved to a specified location.
1078  *
1079  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1080  * start/end addresses if ramdisk image start and len were provided,
1081  * otherwise set initrd_start and initrd_end set to zeros.
1082  *
1083  * returns:
1084  *      0 - success
1085  *     -1 - failure
1086  */
1087 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1088 		  ulong *initrd_start, ulong *initrd_end)
1089 {
1090 	char	*s;
1091 	ulong	initrd_high;
1092 	int	initrd_copy_to_ram = 1;
1093 
1094 	if ((s = getenv("initrd_high")) != NULL) {
1095 		/* a value of "no" or a similar string will act like 0,
1096 		 * turning the "load high" feature off. This is intentional.
1097 		 */
1098 		initrd_high = simple_strtoul(s, NULL, 16);
1099 		if (initrd_high == ~0)
1100 			initrd_copy_to_ram = 0;
1101 	} else {
1102 		/* not set, no restrictions to load high */
1103 		initrd_high = ~0;
1104 	}
1105 
1106 
1107 #ifdef CONFIG_LOGBUFFER
1108 	/* Prevent initrd from overwriting logbuffer */
1109 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1110 #endif
1111 
1112 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1113 			initrd_high, initrd_copy_to_ram);
1114 
1115 	if (rd_data) {
1116 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1117 			debug("   in-place initrd\n");
1118 			*initrd_start = rd_data;
1119 			*initrd_end = rd_data + rd_len;
1120 			lmb_reserve(lmb, rd_data, rd_len);
1121 		} else {
1122 			if (initrd_high)
1123 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1124 						rd_len, 0x1000, initrd_high);
1125 			else
1126 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1127 								 0x1000);
1128 
1129 			if (*initrd_start == 0) {
1130 				puts("ramdisk - allocation error\n");
1131 				goto error;
1132 			}
1133 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1134 
1135 			*initrd_end = *initrd_start + rd_len;
1136 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1137 					*initrd_start, *initrd_end);
1138 
1139 			memmove_wd((void *)*initrd_start,
1140 					(void *)rd_data, rd_len, CHUNKSZ);
1141 
1142 #ifdef CONFIG_MP
1143 			/*
1144 			 * Ensure the image is flushed to memory to handle
1145 			 * AMP boot scenarios in which we might not be
1146 			 * HW cache coherent
1147 			 */
1148 			flush_cache((unsigned long)*initrd_start, rd_len);
1149 #endif
1150 			puts("OK\n");
1151 		}
1152 	} else {
1153 		*initrd_start = 0;
1154 		*initrd_end = 0;
1155 	}
1156 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1157 			*initrd_start, *initrd_end);
1158 
1159 	return 0;
1160 
1161 error:
1162 	return -1;
1163 }
1164 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1165 
1166 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1167 		   ulong *setup_start, ulong *setup_len)
1168 {
1169 #if defined(CONFIG_FIT)
1170 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1171 #else
1172 	return -ENOENT;
1173 #endif
1174 }
1175 
1176 #if defined(CONFIG_FIT)
1177 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1178 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1179 {
1180 	/*
1181 	 * These variables are used to hold the current image location
1182 	 * in system memory.
1183 	 */
1184 	ulong tmp_img_addr;
1185 	/*
1186 	 * These two variables are requirements for fit_image_load, but
1187 	 * their values are not used
1188 	 */
1189 	ulong img_data, img_len;
1190 	void *buf;
1191 	int loadables_index;
1192 	int conf_noffset;
1193 	int fit_img_result;
1194 	char *uname;
1195 
1196 	/* Check to see if the images struct has a FIT configuration */
1197 	if (!genimg_has_config(images)) {
1198 		debug("## FIT configuration was not specified\n");
1199 		return 0;
1200 	}
1201 
1202 	/*
1203 	 * Obtain the os FIT header from the images struct
1204 	 * copy from dataflash if needed
1205 	 */
1206 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1207 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1208 	buf = map_sysmem(tmp_img_addr, 0);
1209 	/*
1210 	 * Check image type. For FIT images get FIT node
1211 	 * and attempt to locate a generic binary.
1212 	 */
1213 	switch (genimg_get_format(buf)) {
1214 	case IMAGE_FORMAT_FIT:
1215 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1216 
1217 		for (loadables_index = 0;
1218 		     fdt_get_string_index(buf, conf_noffset,
1219 				FIT_LOADABLE_PROP,
1220 				loadables_index,
1221 				(const char **)&uname) == 0;
1222 		     loadables_index++)
1223 		{
1224 			fit_img_result = fit_image_load(images,
1225 				tmp_img_addr,
1226 				(const char **)&uname,
1227 				&(images->fit_uname_cfg), arch,
1228 				IH_TYPE_LOADABLE,
1229 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1230 				FIT_LOAD_OPTIONAL_NON_ZERO,
1231 				&img_data, &img_len);
1232 			if (fit_img_result < 0) {
1233 				/* Something went wrong! */
1234 				return fit_img_result;
1235 			}
1236 		}
1237 		break;
1238 	default:
1239 		printf("The given image format is not supported (corrupt?)\n");
1240 		return 1;
1241 	}
1242 
1243 	return 0;
1244 }
1245 #endif
1246 
1247 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1248 /**
1249  * boot_get_cmdline - allocate and initialize kernel cmdline
1250  * @lmb: pointer to lmb handle, will be used for memory mgmt
1251  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1252  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1253  *
1254  * boot_get_cmdline() allocates space for kernel command line below
1255  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1256  * variable is present its contents is copied to allocated kernel
1257  * command line.
1258  *
1259  * returns:
1260  *      0 - success
1261  *     -1 - failure
1262  */
1263 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1264 {
1265 	char *cmdline;
1266 	char *s;
1267 
1268 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1269 				getenv_bootm_mapsize() + getenv_bootm_low());
1270 
1271 	if (cmdline == NULL)
1272 		return -1;
1273 
1274 	if ((s = getenv("bootargs")) == NULL)
1275 		s = "";
1276 
1277 	strcpy(cmdline, s);
1278 
1279 	*cmd_start = (ulong) & cmdline[0];
1280 	*cmd_end = *cmd_start + strlen(cmdline);
1281 
1282 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1283 
1284 	return 0;
1285 }
1286 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1287 
1288 #ifdef CONFIG_SYS_BOOT_GET_KBD
1289 /**
1290  * boot_get_kbd - allocate and initialize kernel copy of board info
1291  * @lmb: pointer to lmb handle, will be used for memory mgmt
1292  * @kbd: double pointer to board info data
1293  *
1294  * boot_get_kbd() allocates space for kernel copy of board info data below
1295  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1296  * with the current u-boot board info data.
1297  *
1298  * returns:
1299  *      0 - success
1300  *     -1 - failure
1301  */
1302 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1303 {
1304 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1305 				getenv_bootm_mapsize() + getenv_bootm_low());
1306 	if (*kbd == NULL)
1307 		return -1;
1308 
1309 	**kbd = *(gd->bd);
1310 
1311 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1312 
1313 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1314 	do_bdinfo(NULL, 0, 0, NULL);
1315 #endif
1316 
1317 	return 0;
1318 }
1319 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1320 
1321 #ifdef CONFIG_LMB
1322 int image_setup_linux(bootm_headers_t *images)
1323 {
1324 	ulong of_size = images->ft_len;
1325 	char **of_flat_tree = &images->ft_addr;
1326 	ulong *initrd_start = &images->initrd_start;
1327 	ulong *initrd_end = &images->initrd_end;
1328 	struct lmb *lmb = &images->lmb;
1329 	ulong rd_len;
1330 	int ret;
1331 
1332 	if (IMAGE_ENABLE_OF_LIBFDT)
1333 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1334 
1335 	if (IMAGE_BOOT_GET_CMDLINE) {
1336 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1337 				&images->cmdline_end);
1338 		if (ret) {
1339 			puts("ERROR with allocation of cmdline\n");
1340 			return ret;
1341 		}
1342 	}
1343 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1344 		rd_len = images->rd_end - images->rd_start;
1345 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1346 				initrd_start, initrd_end);
1347 		if (ret)
1348 			return ret;
1349 	}
1350 
1351 	if (IMAGE_ENABLE_OF_LIBFDT) {
1352 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1353 		if (ret)
1354 			return ret;
1355 	}
1356 
1357 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1358 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1359 		if (ret)
1360 			return ret;
1361 	}
1362 
1363 	return 0;
1364 }
1365 #endif /* CONFIG_LMB */
1366 #endif /* !USE_HOSTCC */
1367