xref: /openbmc/u-boot/common/image.c (revision 5522f12b)
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 	{	IH_TYPE_RKIMAGE,    "rkimage",    "Rockchip Boot Image" },
159 	{	IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
160 	{	IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
161 	{	-1,		    "",		  "",			},
162 };
163 
164 static const table_entry_t uimage_comp[] = {
165 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
166 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
167 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
168 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
169 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
170 	{	-1,		"",		"",			},
171 };
172 
173 /*****************************************************************************/
174 /* Legacy format routines */
175 /*****************************************************************************/
176 int image_check_hcrc(const image_header_t *hdr)
177 {
178 	ulong hcrc;
179 	ulong len = image_get_header_size();
180 	image_header_t header;
181 
182 	/* Copy header so we can blank CRC field for re-calculation */
183 	memmove(&header, (char *)hdr, image_get_header_size());
184 	image_set_hcrc(&header, 0);
185 
186 	hcrc = crc32(0, (unsigned char *)&header, len);
187 
188 	return (hcrc == image_get_hcrc(hdr));
189 }
190 
191 int image_check_dcrc(const image_header_t *hdr)
192 {
193 	ulong data = image_get_data(hdr);
194 	ulong len = image_get_data_size(hdr);
195 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
196 
197 	return (dcrc == image_get_dcrc(hdr));
198 }
199 
200 /**
201  * image_multi_count - get component (sub-image) count
202  * @hdr: pointer to the header of the multi component image
203  *
204  * image_multi_count() returns number of components in a multi
205  * component image.
206  *
207  * Note: no checking of the image type is done, caller must pass
208  * a valid multi component image.
209  *
210  * returns:
211  *     number of components
212  */
213 ulong image_multi_count(const image_header_t *hdr)
214 {
215 	ulong i, count = 0;
216 	uint32_t *size;
217 
218 	/* get start of the image payload, which in case of multi
219 	 * component images that points to a table of component sizes */
220 	size = (uint32_t *)image_get_data(hdr);
221 
222 	/* count non empty slots */
223 	for (i = 0; size[i]; ++i)
224 		count++;
225 
226 	return count;
227 }
228 
229 /**
230  * image_multi_getimg - get component data address and size
231  * @hdr: pointer to the header of the multi component image
232  * @idx: index of the requested component
233  * @data: pointer to a ulong variable, will hold component data address
234  * @len: pointer to a ulong variable, will hold component size
235  *
236  * image_multi_getimg() returns size and data address for the requested
237  * component in a multi component image.
238  *
239  * Note: no checking of the image type is done, caller must pass
240  * a valid multi component image.
241  *
242  * returns:
243  *     data address and size of the component, if idx is valid
244  *     0 in data and len, if idx is out of range
245  */
246 void image_multi_getimg(const image_header_t *hdr, ulong idx,
247 			ulong *data, ulong *len)
248 {
249 	int i;
250 	uint32_t *size;
251 	ulong offset, count, img_data;
252 
253 	/* get number of component */
254 	count = image_multi_count(hdr);
255 
256 	/* get start of the image payload, which in case of multi
257 	 * component images that points to a table of component sizes */
258 	size = (uint32_t *)image_get_data(hdr);
259 
260 	/* get address of the proper component data start, which means
261 	 * skipping sizes table (add 1 for last, null entry) */
262 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
263 
264 	if (idx < count) {
265 		*len = uimage_to_cpu(size[idx]);
266 		offset = 0;
267 
268 		/* go over all indices preceding requested component idx */
269 		for (i = 0; i < idx; i++) {
270 			/* add up i-th component size, rounding up to 4 bytes */
271 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
272 		}
273 
274 		/* calculate idx-th component data address */
275 		*data = img_data + offset;
276 	} else {
277 		*len = 0;
278 		*data = 0;
279 	}
280 }
281 
282 static void image_print_type(const image_header_t *hdr)
283 {
284 	const char __maybe_unused *os, *arch, *type, *comp;
285 
286 	os = genimg_get_os_name(image_get_os(hdr));
287 	arch = genimg_get_arch_name(image_get_arch(hdr));
288 	type = genimg_get_type_name(image_get_type(hdr));
289 	comp = genimg_get_comp_name(image_get_comp(hdr));
290 
291 	printf("%s %s %s (%s)\n", arch, os, type, comp);
292 }
293 
294 /**
295  * image_print_contents - prints out the contents of the legacy format image
296  * @ptr: pointer to the legacy format image header
297  * @p: pointer to prefix string
298  *
299  * image_print_contents() formats a multi line legacy image contents description.
300  * The routine prints out all header fields followed by the size/offset data
301  * for MULTI/SCRIPT images.
302  *
303  * returns:
304  *     no returned results
305  */
306 void image_print_contents(const void *ptr)
307 {
308 	const image_header_t *hdr = (const image_header_t *)ptr;
309 	const char __maybe_unused *p;
310 
311 	p = IMAGE_INDENT_STRING;
312 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
313 	if (IMAGE_ENABLE_TIMESTAMP) {
314 		printf("%sCreated:      ", p);
315 		genimg_print_time((time_t)image_get_time(hdr));
316 	}
317 	printf("%sImage Type:   ", p);
318 	image_print_type(hdr);
319 	printf("%sData Size:    ", p);
320 	genimg_print_size(image_get_data_size(hdr));
321 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
322 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
323 
324 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
325 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
326 		int i;
327 		ulong data, len;
328 		ulong count = image_multi_count(hdr);
329 
330 		printf("%sContents:\n", p);
331 		for (i = 0; i < count; i++) {
332 			image_multi_getimg(hdr, i, &data, &len);
333 
334 			printf("%s   Image %d: ", p, i);
335 			genimg_print_size(len);
336 
337 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
338 				/*
339 				 * the user may need to know offsets
340 				 * if planning to do something with
341 				 * multiple files
342 				 */
343 				printf("%s    Offset = 0x%08lx\n", p, data);
344 			}
345 		}
346 	}
347 }
348 
349 
350 #ifndef USE_HOSTCC
351 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
352 /**
353  * image_get_ramdisk - get and verify ramdisk image
354  * @rd_addr: ramdisk image start address
355  * @arch: expected ramdisk architecture
356  * @verify: checksum verification flag
357  *
358  * image_get_ramdisk() returns a pointer to the verified ramdisk image
359  * header. Routine receives image start address and expected architecture
360  * flag. Verification done covers data and header integrity and os/type/arch
361  * fields checking.
362  *
363  * If dataflash support is enabled routine checks for dataflash addresses
364  * and handles required dataflash reads.
365  *
366  * returns:
367  *     pointer to a ramdisk image header, if image was found and valid
368  *     otherwise, return NULL
369  */
370 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
371 						int verify)
372 {
373 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
374 
375 	if (!image_check_magic(rd_hdr)) {
376 		puts("Bad Magic Number\n");
377 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
378 		return NULL;
379 	}
380 
381 	if (!image_check_hcrc(rd_hdr)) {
382 		puts("Bad Header Checksum\n");
383 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
384 		return NULL;
385 	}
386 
387 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
388 	image_print_contents(rd_hdr);
389 
390 	if (verify) {
391 		puts("   Verifying Checksum ... ");
392 		if (!image_check_dcrc(rd_hdr)) {
393 			puts("Bad Data CRC\n");
394 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
395 			return NULL;
396 		}
397 		puts("OK\n");
398 	}
399 
400 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
401 
402 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
403 	    !image_check_arch(rd_hdr, arch) ||
404 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
405 		printf("No Linux %s Ramdisk Image\n",
406 				genimg_get_arch_name(arch));
407 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
408 		return NULL;
409 	}
410 
411 	return rd_hdr;
412 }
413 #endif
414 #endif /* !USE_HOSTCC */
415 
416 /*****************************************************************************/
417 /* Shared dual-format routines */
418 /*****************************************************************************/
419 #ifndef USE_HOSTCC
420 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
421 ulong save_addr;			/* Default Save Address */
422 ulong save_size;			/* Default Save Size (in bytes) */
423 
424 static int on_loadaddr(const char *name, const char *value, enum env_op op,
425 	int flags)
426 {
427 	switch (op) {
428 	case env_op_create:
429 	case env_op_overwrite:
430 		load_addr = simple_strtoul(value, NULL, 16);
431 		break;
432 	default:
433 		break;
434 	}
435 
436 	return 0;
437 }
438 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
439 
440 ulong getenv_bootm_low(void)
441 {
442 	char *s = getenv("bootm_low");
443 	if (s) {
444 		ulong tmp = simple_strtoul(s, NULL, 16);
445 		return tmp;
446 	}
447 
448 #if defined(CONFIG_SYS_SDRAM_BASE)
449 	return CONFIG_SYS_SDRAM_BASE;
450 #elif defined(CONFIG_ARM)
451 	return gd->bd->bi_dram[0].start;
452 #else
453 	return 0;
454 #endif
455 }
456 
457 phys_size_t getenv_bootm_size(void)
458 {
459 	phys_size_t tmp;
460 	char *s = getenv("bootm_size");
461 	if (s) {
462 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
463 		return tmp;
464 	}
465 	s = getenv("bootm_low");
466 	if (s)
467 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
468 	else
469 		tmp = 0;
470 
471 
472 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
473 	return gd->bd->bi_dram[0].size - tmp;
474 #else
475 	return gd->bd->bi_memsize - tmp;
476 #endif
477 }
478 
479 phys_size_t getenv_bootm_mapsize(void)
480 {
481 	phys_size_t tmp;
482 	char *s = getenv("bootm_mapsize");
483 	if (s) {
484 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
485 		return tmp;
486 	}
487 
488 #if defined(CONFIG_SYS_BOOTMAPSZ)
489 	return CONFIG_SYS_BOOTMAPSZ;
490 #else
491 	return getenv_bootm_size();
492 #endif
493 }
494 
495 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
496 {
497 	if (to == from)
498 		return;
499 
500 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
501 	if (to > from) {
502 		from += len;
503 		to += len;
504 	}
505 	while (len > 0) {
506 		size_t tail = (len > chunksz) ? chunksz : len;
507 		WATCHDOG_RESET();
508 		if (to > from) {
509 			to -= tail;
510 			from -= tail;
511 		}
512 		memmove(to, from, tail);
513 		if (to < from) {
514 			to += tail;
515 			from += tail;
516 		}
517 		len -= tail;
518 	}
519 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
520 	memmove(to, from, len);
521 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
522 }
523 #endif /* !USE_HOSTCC */
524 
525 void genimg_print_size(uint32_t size)
526 {
527 #ifndef USE_HOSTCC
528 	printf("%d Bytes = ", size);
529 	print_size(size, "\n");
530 #else
531 	printf("%d Bytes = %.2f kB = %.2f MB\n",
532 			size, (double)size / 1.024e3,
533 			(double)size / 1.048576e6);
534 #endif
535 }
536 
537 #if IMAGE_ENABLE_TIMESTAMP
538 void genimg_print_time(time_t timestamp)
539 {
540 #ifndef USE_HOSTCC
541 	struct rtc_time tm;
542 
543 	rtc_to_tm(timestamp, &tm);
544 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
545 			tm.tm_year, tm.tm_mon, tm.tm_mday,
546 			tm.tm_hour, tm.tm_min, tm.tm_sec);
547 #else
548 	printf("%s", ctime(&timestamp));
549 #endif
550 }
551 #endif
552 
553 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
554 {
555 	for (; table->id >= 0; ++table) {
556 		if (table->id == id)
557 			return table;
558 	}
559 	return NULL;
560 }
561 
562 /**
563  * get_table_entry_name - translate entry id to long name
564  * @table: pointer to a translation table for entries of a specific type
565  * @msg: message to be returned when translation fails
566  * @id: entry id to be translated
567  *
568  * get_table_entry_name() will go over translation table trying to find
569  * entry that matches given id. If matching entry is found, its long
570  * name is returned to the caller.
571  *
572  * returns:
573  *     long entry name if translation succeeds
574  *     msg otherwise
575  */
576 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
577 {
578 	table = get_table_entry(table, id);
579 	if (!table)
580 		return msg;
581 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
582 	return table->lname;
583 #else
584 	return table->lname + gd->reloc_off;
585 #endif
586 }
587 
588 const char *genimg_get_os_name(uint8_t os)
589 {
590 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
591 }
592 
593 const char *genimg_get_arch_name(uint8_t arch)
594 {
595 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
596 					arch));
597 }
598 
599 const char *genimg_get_type_name(uint8_t type)
600 {
601 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
602 }
603 
604 const char *genimg_get_type_short_name(uint8_t type)
605 {
606 	const table_entry_t *table;
607 
608 	table = get_table_entry(uimage_type, type);
609 	if (!table)
610 		return "unknown";
611 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
612 	return table->sname;
613 #else
614 	return table->sname + gd->reloc_off;
615 #endif
616 }
617 
618 const char *genimg_get_comp_name(uint8_t comp)
619 {
620 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
621 					comp));
622 }
623 
624 /**
625  * get_table_entry_id - translate short entry name to id
626  * @table: pointer to a translation table for entries of a specific type
627  * @table_name: to be used in case of error
628  * @name: entry short name to be translated
629  *
630  * get_table_entry_id() will go over translation table trying to find
631  * entry that matches given short name. If matching entry is found,
632  * its id returned to the caller.
633  *
634  * returns:
635  *     entry id if translation succeeds
636  *     -1 otherwise
637  */
638 int get_table_entry_id(const table_entry_t *table,
639 		const char *table_name, const char *name)
640 {
641 	const table_entry_t *t;
642 
643 	for (t = table; t->id >= 0; ++t) {
644 #ifdef CONFIG_NEEDS_MANUAL_RELOC
645 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
646 #else
647 		if (t->sname && strcasecmp(t->sname, name) == 0)
648 #endif
649 			return (t->id);
650 	}
651 	debug("Invalid %s Type: %s\n", table_name, name);
652 
653 	return -1;
654 }
655 
656 int genimg_get_os_id(const char *name)
657 {
658 	return (get_table_entry_id(uimage_os, "OS", name));
659 }
660 
661 int genimg_get_arch_id(const char *name)
662 {
663 	return (get_table_entry_id(uimage_arch, "CPU", name));
664 }
665 
666 int genimg_get_type_id(const char *name)
667 {
668 	return (get_table_entry_id(uimage_type, "Image", name));
669 }
670 
671 int genimg_get_comp_id(const char *name)
672 {
673 	return (get_table_entry_id(uimage_comp, "Compression", name));
674 }
675 
676 #ifndef USE_HOSTCC
677 /**
678  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
679  *                              FIT strings
680  * @img_addr: a string might contain real image address
681  * @fit_uname_config: double pointer to a char, will hold pointer to a
682  *                    configuration unit name
683  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
684  *                    name
685  *
686  * genimg_get_kernel_addr_fit get the real kernel start address from a string
687  * which is normally the first argv of bootm/bootz
688  *
689  * returns:
690  *     kernel start address
691  */
692 ulong genimg_get_kernel_addr_fit(char * const img_addr,
693 			     const char **fit_uname_config,
694 			     const char **fit_uname_kernel)
695 {
696 	ulong kernel_addr;
697 
698 	/* find out kernel image address */
699 	if (!img_addr) {
700 		kernel_addr = load_addr;
701 		debug("*  kernel: default image load address = 0x%08lx\n",
702 		      load_addr);
703 #if defined(CONFIG_FIT)
704 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
705 				  fit_uname_config)) {
706 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
707 		      *fit_uname_config, kernel_addr);
708 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
709 				     fit_uname_kernel)) {
710 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
711 		      *fit_uname_kernel, kernel_addr);
712 #endif
713 	} else {
714 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
715 		debug("*  kernel: cmdline image address = 0x%08lx\n",
716 		      kernel_addr);
717 	}
718 
719 	return kernel_addr;
720 }
721 
722 /**
723  * genimg_get_kernel_addr() is the simple version of
724  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
725  */
726 ulong genimg_get_kernel_addr(char * const img_addr)
727 {
728 	const char *fit_uname_config = NULL;
729 	const char *fit_uname_kernel = NULL;
730 
731 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
732 					  &fit_uname_kernel);
733 }
734 
735 /**
736  * genimg_get_format - get image format type
737  * @img_addr: image start address
738  *
739  * genimg_get_format() checks whether provided address points to a valid
740  * legacy or FIT image.
741  *
742  * New uImage format and FDT blob are based on a libfdt. FDT blob
743  * may be passed directly or embedded in a FIT image. In both situations
744  * genimg_get_format() must be able to dectect libfdt header.
745  *
746  * returns:
747  *     image format type or IMAGE_FORMAT_INVALID if no image is present
748  */
749 int genimg_get_format(const void *img_addr)
750 {
751 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
752 	const image_header_t *hdr;
753 
754 	hdr = (const image_header_t *)img_addr;
755 	if (image_check_magic(hdr))
756 		return IMAGE_FORMAT_LEGACY;
757 #endif
758 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
759 	if (fdt_check_header(img_addr) == 0)
760 		return IMAGE_FORMAT_FIT;
761 #endif
762 #ifdef CONFIG_ANDROID_BOOT_IMAGE
763 	if (android_image_check_header(img_addr) == 0)
764 		return IMAGE_FORMAT_ANDROID;
765 #endif
766 
767 	return IMAGE_FORMAT_INVALID;
768 }
769 
770 /**
771  * genimg_get_image - get image from special storage (if necessary)
772  * @img_addr: image start address
773  *
774  * genimg_get_image() checks if provided image start address is located
775  * in a dataflash storage. If so, image is moved to a system RAM memory.
776  *
777  * returns:
778  *     image start address after possible relocation from special storage
779  */
780 ulong genimg_get_image(ulong img_addr)
781 {
782 	ulong ram_addr = img_addr;
783 
784 #ifdef CONFIG_HAS_DATAFLASH
785 	ulong h_size, d_size;
786 
787 	if (addr_dataflash(img_addr)) {
788 		void *buf;
789 
790 		/* ger RAM address */
791 		ram_addr = CONFIG_SYS_LOAD_ADDR;
792 
793 		/* get header size */
794 		h_size = image_get_header_size();
795 #if defined(CONFIG_FIT)
796 		if (sizeof(struct fdt_header) > h_size)
797 			h_size = sizeof(struct fdt_header);
798 #endif
799 
800 		/* read in header */
801 		debug("   Reading image header from dataflash address "
802 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
803 
804 		buf = map_sysmem(ram_addr, 0);
805 		read_dataflash(img_addr, h_size, buf);
806 
807 		/* get data size */
808 		switch (genimg_get_format(buf)) {
809 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
810 		case IMAGE_FORMAT_LEGACY:
811 			d_size = image_get_data_size(buf);
812 			debug("   Legacy format image found at 0x%08lx, "
813 					"size 0x%08lx\n",
814 					ram_addr, d_size);
815 			break;
816 #endif
817 #if defined(CONFIG_FIT)
818 		case IMAGE_FORMAT_FIT:
819 			d_size = fit_get_size(buf) - h_size;
820 			debug("   FIT/FDT format image found at 0x%08lx, "
821 					"size 0x%08lx\n",
822 					ram_addr, d_size);
823 			break;
824 #endif
825 		default:
826 			printf("   No valid image found at 0x%08lx\n",
827 				img_addr);
828 			return ram_addr;
829 		}
830 
831 		/* read in image data */
832 		debug("   Reading image remaining data from dataflash address "
833 			"%08lx to RAM address %08lx\n", img_addr + h_size,
834 			ram_addr + h_size);
835 
836 		read_dataflash(img_addr + h_size, d_size,
837 				(char *)(buf + h_size));
838 
839 	}
840 #endif /* CONFIG_HAS_DATAFLASH */
841 
842 	return ram_addr;
843 }
844 
845 /**
846  * fit_has_config - check if there is a valid FIT configuration
847  * @images: pointer to the bootm command headers structure
848  *
849  * fit_has_config() checks if there is a FIT configuration in use
850  * (if FTI support is present).
851  *
852  * returns:
853  *     0, no FIT support or no configuration found
854  *     1, configuration found
855  */
856 int genimg_has_config(bootm_headers_t *images)
857 {
858 #if defined(CONFIG_FIT)
859 	if (images->fit_uname_cfg)
860 		return 1;
861 #endif
862 	return 0;
863 }
864 
865 /**
866  * boot_get_ramdisk - main ramdisk handling routine
867  * @argc: command argument count
868  * @argv: command argument list
869  * @images: pointer to the bootm images structure
870  * @arch: expected ramdisk architecture
871  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
872  * @rd_end: pointer to a ulong variable, will hold ramdisk end
873  *
874  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
875  * Curently supported are the following ramdisk sources:
876  *      - multicomponent kernel/ramdisk image,
877  *      - commandline provided address of decicated ramdisk image.
878  *
879  * returns:
880  *     0, if ramdisk image was found and valid, or skiped
881  *     rd_start and rd_end are set to ramdisk start/end addresses if
882  *     ramdisk image is found and valid
883  *
884  *     1, if ramdisk image is found but corrupted, or invalid
885  *     rd_start and rd_end are set to 0 if no ramdisk exists
886  */
887 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
888 		uint8_t arch, ulong *rd_start, ulong *rd_end)
889 {
890 	ulong rd_addr, rd_load;
891 	ulong rd_data, rd_len;
892 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
893 	const image_header_t *rd_hdr;
894 #endif
895 	void *buf;
896 #ifdef CONFIG_SUPPORT_RAW_INITRD
897 	char *end;
898 #endif
899 #if defined(CONFIG_FIT)
900 	const char	*fit_uname_config = images->fit_uname_cfg;
901 	const char	*fit_uname_ramdisk = NULL;
902 	ulong		default_addr;
903 	int		rd_noffset;
904 #endif
905 	const char *select = NULL;
906 
907 	*rd_start = 0;
908 	*rd_end = 0;
909 
910 	if (argc >= 2)
911 		select = argv[1];
912 
913 	/*
914 	 * Look for a '-' which indicates to ignore the
915 	 * ramdisk argument
916 	 */
917 	if (select && strcmp(select, "-") ==  0) {
918 		debug("## Skipping init Ramdisk\n");
919 		rd_len = rd_data = 0;
920 	} else if (select || genimg_has_config(images)) {
921 #if defined(CONFIG_FIT)
922 		if (select) {
923 			/*
924 			 * If the init ramdisk comes from the FIT image and
925 			 * the FIT image address is omitted in the command
926 			 * line argument, try to use os FIT image address or
927 			 * default load address.
928 			 */
929 			if (images->fit_uname_os)
930 				default_addr = (ulong)images->fit_hdr_os;
931 			else
932 				default_addr = load_addr;
933 
934 			if (fit_parse_conf(select, default_addr,
935 					   &rd_addr, &fit_uname_config)) {
936 				debug("*  ramdisk: config '%s' from image at "
937 						"0x%08lx\n",
938 						fit_uname_config, rd_addr);
939 			} else if (fit_parse_subimage(select, default_addr,
940 						&rd_addr, &fit_uname_ramdisk)) {
941 				debug("*  ramdisk: subimage '%s' from image at "
942 						"0x%08lx\n",
943 						fit_uname_ramdisk, rd_addr);
944 			} else
945 #endif
946 			{
947 				rd_addr = simple_strtoul(select, NULL, 16);
948 				debug("*  ramdisk: cmdline image address = "
949 						"0x%08lx\n",
950 						rd_addr);
951 			}
952 #if defined(CONFIG_FIT)
953 		} else {
954 			/* use FIT configuration provided in first bootm
955 			 * command argument. If the property is not defined,
956 			 * quit silently.
957 			 */
958 			rd_addr = map_to_sysmem(images->fit_hdr_os);
959 			rd_noffset = fit_get_node_from_config(images,
960 					FIT_RAMDISK_PROP, rd_addr);
961 			if (rd_noffset == -ENOLINK)
962 				return 0;
963 			else if (rd_noffset < 0)
964 				return 1;
965 		}
966 #endif
967 
968 		/* copy from dataflash if needed */
969 		rd_addr = genimg_get_image(rd_addr);
970 
971 		/*
972 		 * Check if there is an initrd image at the
973 		 * address provided in the second bootm argument
974 		 * check image type, for FIT images get FIT node.
975 		 */
976 		buf = map_sysmem(rd_addr, 0);
977 		switch (genimg_get_format(buf)) {
978 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
979 		case IMAGE_FORMAT_LEGACY:
980 			printf("## Loading init Ramdisk from Legacy "
981 					"Image at %08lx ...\n", rd_addr);
982 
983 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
984 			rd_hdr = image_get_ramdisk(rd_addr, arch,
985 							images->verify);
986 
987 			if (rd_hdr == NULL)
988 				return 1;
989 
990 			rd_data = image_get_data(rd_hdr);
991 			rd_len = image_get_data_size(rd_hdr);
992 			rd_load = image_get_load(rd_hdr);
993 			break;
994 #endif
995 #if defined(CONFIG_FIT)
996 		case IMAGE_FORMAT_FIT:
997 			rd_noffset = fit_image_load(images,
998 					rd_addr, &fit_uname_ramdisk,
999 					&fit_uname_config, arch,
1000 					IH_TYPE_RAMDISK,
1001 					BOOTSTAGE_ID_FIT_RD_START,
1002 					FIT_LOAD_OPTIONAL_NON_ZERO,
1003 					&rd_data, &rd_len);
1004 			if (rd_noffset < 0)
1005 				return 1;
1006 
1007 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1008 			images->fit_uname_rd = fit_uname_ramdisk;
1009 			images->fit_noffset_rd = rd_noffset;
1010 			break;
1011 #endif
1012 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1013 		case IMAGE_FORMAT_ANDROID:
1014 			android_image_get_ramdisk((void *)images->os.start,
1015 				&rd_data, &rd_len);
1016 			break;
1017 #endif
1018 		default:
1019 #ifdef CONFIG_SUPPORT_RAW_INITRD
1020 			end = NULL;
1021 			if (select)
1022 				end = strchr(select, ':');
1023 			if (end) {
1024 				rd_len = simple_strtoul(++end, NULL, 16);
1025 				rd_data = rd_addr;
1026 			} else
1027 #endif
1028 			{
1029 				puts("Wrong Ramdisk Image Format\n");
1030 				rd_data = rd_len = rd_load = 0;
1031 				return 1;
1032 			}
1033 		}
1034 	} else if (images->legacy_hdr_valid &&
1035 			image_check_type(&images->legacy_hdr_os_copy,
1036 						IH_TYPE_MULTI)) {
1037 
1038 		/*
1039 		 * Now check if we have a legacy mult-component image,
1040 		 * get second entry data start address and len.
1041 		 */
1042 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1043 		printf("## Loading init Ramdisk from multi component "
1044 				"Legacy Image at %08lx ...\n",
1045 				(ulong)images->legacy_hdr_os);
1046 
1047 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1048 	} else {
1049 		/*
1050 		 * no initrd image
1051 		 */
1052 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1053 		rd_len = rd_data = 0;
1054 	}
1055 
1056 	if (!rd_data) {
1057 		debug("## No init Ramdisk\n");
1058 	} else {
1059 		*rd_start = rd_data;
1060 		*rd_end = rd_data + rd_len;
1061 	}
1062 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1063 			*rd_start, *rd_end);
1064 
1065 	return 0;
1066 }
1067 
1068 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1069 /**
1070  * boot_ramdisk_high - relocate init ramdisk
1071  * @lmb: pointer to lmb handle, will be used for memory mgmt
1072  * @rd_data: ramdisk data start address
1073  * @rd_len: ramdisk data length
1074  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1075  *      start address (after possible relocation)
1076  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1077  *      end address (after possible relocation)
1078  *
1079  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1080  * variable and if requested ramdisk data is moved to a specified location.
1081  *
1082  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1083  * start/end addresses if ramdisk image start and len were provided,
1084  * otherwise set initrd_start and initrd_end set to zeros.
1085  *
1086  * returns:
1087  *      0 - success
1088  *     -1 - failure
1089  */
1090 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1091 		  ulong *initrd_start, ulong *initrd_end)
1092 {
1093 	char	*s;
1094 	ulong	initrd_high;
1095 	int	initrd_copy_to_ram = 1;
1096 
1097 	if ((s = getenv("initrd_high")) != NULL) {
1098 		/* a value of "no" or a similar string will act like 0,
1099 		 * turning the "load high" feature off. This is intentional.
1100 		 */
1101 		initrd_high = simple_strtoul(s, NULL, 16);
1102 		if (initrd_high == ~0)
1103 			initrd_copy_to_ram = 0;
1104 	} else {
1105 		/* not set, no restrictions to load high */
1106 		initrd_high = ~0;
1107 	}
1108 
1109 
1110 #ifdef CONFIG_LOGBUFFER
1111 	/* Prevent initrd from overwriting logbuffer */
1112 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1113 #endif
1114 
1115 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1116 			initrd_high, initrd_copy_to_ram);
1117 
1118 	if (rd_data) {
1119 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1120 			debug("   in-place initrd\n");
1121 			*initrd_start = rd_data;
1122 			*initrd_end = rd_data + rd_len;
1123 			lmb_reserve(lmb, rd_data, rd_len);
1124 		} else {
1125 			if (initrd_high)
1126 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1127 						rd_len, 0x1000, initrd_high);
1128 			else
1129 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1130 								 0x1000);
1131 
1132 			if (*initrd_start == 0) {
1133 				puts("ramdisk - allocation error\n");
1134 				goto error;
1135 			}
1136 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1137 
1138 			*initrd_end = *initrd_start + rd_len;
1139 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1140 					*initrd_start, *initrd_end);
1141 
1142 			memmove_wd((void *)*initrd_start,
1143 					(void *)rd_data, rd_len, CHUNKSZ);
1144 
1145 #ifdef CONFIG_MP
1146 			/*
1147 			 * Ensure the image is flushed to memory to handle
1148 			 * AMP boot scenarios in which we might not be
1149 			 * HW cache coherent
1150 			 */
1151 			flush_cache((unsigned long)*initrd_start, rd_len);
1152 #endif
1153 			puts("OK\n");
1154 		}
1155 	} else {
1156 		*initrd_start = 0;
1157 		*initrd_end = 0;
1158 	}
1159 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1160 			*initrd_start, *initrd_end);
1161 
1162 	return 0;
1163 
1164 error:
1165 	return -1;
1166 }
1167 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1168 
1169 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1170 		   ulong *setup_start, ulong *setup_len)
1171 {
1172 #if defined(CONFIG_FIT)
1173 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1174 #else
1175 	return -ENOENT;
1176 #endif
1177 }
1178 
1179 #if defined(CONFIG_FIT)
1180 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1181 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1182 {
1183 	/*
1184 	 * These variables are used to hold the current image location
1185 	 * in system memory.
1186 	 */
1187 	ulong tmp_img_addr;
1188 	/*
1189 	 * These two variables are requirements for fit_image_load, but
1190 	 * their values are not used
1191 	 */
1192 	ulong img_data, img_len;
1193 	void *buf;
1194 	int loadables_index;
1195 	int conf_noffset;
1196 	int fit_img_result;
1197 	char *uname;
1198 
1199 	/* Check to see if the images struct has a FIT configuration */
1200 	if (!genimg_has_config(images)) {
1201 		debug("## FIT configuration was not specified\n");
1202 		return 0;
1203 	}
1204 
1205 	/*
1206 	 * Obtain the os FIT header from the images struct
1207 	 * copy from dataflash if needed
1208 	 */
1209 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1210 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1211 	buf = map_sysmem(tmp_img_addr, 0);
1212 	/*
1213 	 * Check image type. For FIT images get FIT node
1214 	 * and attempt to locate a generic binary.
1215 	 */
1216 	switch (genimg_get_format(buf)) {
1217 	case IMAGE_FORMAT_FIT:
1218 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1219 
1220 		for (loadables_index = 0;
1221 		     fdt_get_string_index(buf, conf_noffset,
1222 				FIT_LOADABLE_PROP,
1223 				loadables_index,
1224 				(const char **)&uname) == 0;
1225 		     loadables_index++)
1226 		{
1227 			fit_img_result = fit_image_load(images,
1228 				tmp_img_addr,
1229 				(const char **)&uname,
1230 				&(images->fit_uname_cfg), arch,
1231 				IH_TYPE_LOADABLE,
1232 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1233 				FIT_LOAD_OPTIONAL_NON_ZERO,
1234 				&img_data, &img_len);
1235 			if (fit_img_result < 0) {
1236 				/* Something went wrong! */
1237 				return fit_img_result;
1238 			}
1239 		}
1240 		break;
1241 	default:
1242 		printf("The given image format is not supported (corrupt?)\n");
1243 		return 1;
1244 	}
1245 
1246 	return 0;
1247 }
1248 #endif
1249 
1250 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1251 /**
1252  * boot_get_cmdline - allocate and initialize kernel cmdline
1253  * @lmb: pointer to lmb handle, will be used for memory mgmt
1254  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1255  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1256  *
1257  * boot_get_cmdline() allocates space for kernel command line below
1258  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1259  * variable is present its contents is copied to allocated kernel
1260  * command line.
1261  *
1262  * returns:
1263  *      0 - success
1264  *     -1 - failure
1265  */
1266 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1267 {
1268 	char *cmdline;
1269 	char *s;
1270 
1271 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1272 				getenv_bootm_mapsize() + getenv_bootm_low());
1273 
1274 	if (cmdline == NULL)
1275 		return -1;
1276 
1277 	if ((s = getenv("bootargs")) == NULL)
1278 		s = "";
1279 
1280 	strcpy(cmdline, s);
1281 
1282 	*cmd_start = (ulong) & cmdline[0];
1283 	*cmd_end = *cmd_start + strlen(cmdline);
1284 
1285 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1286 
1287 	return 0;
1288 }
1289 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1290 
1291 #ifdef CONFIG_SYS_BOOT_GET_KBD
1292 /**
1293  * boot_get_kbd - allocate and initialize kernel copy of board info
1294  * @lmb: pointer to lmb handle, will be used for memory mgmt
1295  * @kbd: double pointer to board info data
1296  *
1297  * boot_get_kbd() allocates space for kernel copy of board info data below
1298  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1299  * with the current u-boot board info data.
1300  *
1301  * returns:
1302  *      0 - success
1303  *     -1 - failure
1304  */
1305 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1306 {
1307 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1308 				getenv_bootm_mapsize() + getenv_bootm_low());
1309 	if (*kbd == NULL)
1310 		return -1;
1311 
1312 	**kbd = *(gd->bd);
1313 
1314 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1315 
1316 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1317 	do_bdinfo(NULL, 0, 0, NULL);
1318 #endif
1319 
1320 	return 0;
1321 }
1322 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1323 
1324 #ifdef CONFIG_LMB
1325 int image_setup_linux(bootm_headers_t *images)
1326 {
1327 	ulong of_size = images->ft_len;
1328 	char **of_flat_tree = &images->ft_addr;
1329 	ulong *initrd_start = &images->initrd_start;
1330 	ulong *initrd_end = &images->initrd_end;
1331 	struct lmb *lmb = &images->lmb;
1332 	ulong rd_len;
1333 	int ret;
1334 
1335 	if (IMAGE_ENABLE_OF_LIBFDT)
1336 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1337 
1338 	if (IMAGE_BOOT_GET_CMDLINE) {
1339 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1340 				&images->cmdline_end);
1341 		if (ret) {
1342 			puts("ERROR with allocation of cmdline\n");
1343 			return ret;
1344 		}
1345 	}
1346 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1347 		rd_len = images->rd_end - images->rd_start;
1348 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1349 				initrd_start, initrd_end);
1350 		if (ret)
1351 			return ret;
1352 	}
1353 
1354 	if (IMAGE_ENABLE_OF_LIBFDT) {
1355 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1356 		if (ret)
1357 			return ret;
1358 	}
1359 
1360 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1361 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1362 		if (ret)
1363 			return ret;
1364 	}
1365 
1366 	return 0;
1367 }
1368 #endif /* CONFIG_LMB */
1369 #endif /* !USE_HOSTCC */
1370