xref: /openbmc/u-boot/common/image.c (revision 83bf0057)
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 	{	IH_COMP_LZ4,	"lz4",		"lz4 compressed",	},
171 	{	-1,		"",		"",			},
172 };
173 
174 /*****************************************************************************/
175 /* Legacy format routines */
176 /*****************************************************************************/
177 int image_check_hcrc(const image_header_t *hdr)
178 {
179 	ulong hcrc;
180 	ulong len = image_get_header_size();
181 	image_header_t header;
182 
183 	/* Copy header so we can blank CRC field for re-calculation */
184 	memmove(&header, (char *)hdr, image_get_header_size());
185 	image_set_hcrc(&header, 0);
186 
187 	hcrc = crc32(0, (unsigned char *)&header, len);
188 
189 	return (hcrc == image_get_hcrc(hdr));
190 }
191 
192 int image_check_dcrc(const image_header_t *hdr)
193 {
194 	ulong data = image_get_data(hdr);
195 	ulong len = image_get_data_size(hdr);
196 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
197 
198 	return (dcrc == image_get_dcrc(hdr));
199 }
200 
201 /**
202  * image_multi_count - get component (sub-image) count
203  * @hdr: pointer to the header of the multi component image
204  *
205  * image_multi_count() returns number of components in a multi
206  * component image.
207  *
208  * Note: no checking of the image type is done, caller must pass
209  * a valid multi component image.
210  *
211  * returns:
212  *     number of components
213  */
214 ulong image_multi_count(const image_header_t *hdr)
215 {
216 	ulong i, count = 0;
217 	uint32_t *size;
218 
219 	/* get start of the image payload, which in case of multi
220 	 * component images that points to a table of component sizes */
221 	size = (uint32_t *)image_get_data(hdr);
222 
223 	/* count non empty slots */
224 	for (i = 0; size[i]; ++i)
225 		count++;
226 
227 	return count;
228 }
229 
230 /**
231  * image_multi_getimg - get component data address and size
232  * @hdr: pointer to the header of the multi component image
233  * @idx: index of the requested component
234  * @data: pointer to a ulong variable, will hold component data address
235  * @len: pointer to a ulong variable, will hold component size
236  *
237  * image_multi_getimg() returns size and data address for the requested
238  * component in a multi component image.
239  *
240  * Note: no checking of the image type is done, caller must pass
241  * a valid multi component image.
242  *
243  * returns:
244  *     data address and size of the component, if idx is valid
245  *     0 in data and len, if idx is out of range
246  */
247 void image_multi_getimg(const image_header_t *hdr, ulong idx,
248 			ulong *data, ulong *len)
249 {
250 	int i;
251 	uint32_t *size;
252 	ulong offset, count, img_data;
253 
254 	/* get number of component */
255 	count = image_multi_count(hdr);
256 
257 	/* get start of the image payload, which in case of multi
258 	 * component images that points to a table of component sizes */
259 	size = (uint32_t *)image_get_data(hdr);
260 
261 	/* get address of the proper component data start, which means
262 	 * skipping sizes table (add 1 for last, null entry) */
263 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
264 
265 	if (idx < count) {
266 		*len = uimage_to_cpu(size[idx]);
267 		offset = 0;
268 
269 		/* go over all indices preceding requested component idx */
270 		for (i = 0; i < idx; i++) {
271 			/* add up i-th component size, rounding up to 4 bytes */
272 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
273 		}
274 
275 		/* calculate idx-th component data address */
276 		*data = img_data + offset;
277 	} else {
278 		*len = 0;
279 		*data = 0;
280 	}
281 }
282 
283 static void image_print_type(const image_header_t *hdr)
284 {
285 	const char __maybe_unused *os, *arch, *type, *comp;
286 
287 	os = genimg_get_os_name(image_get_os(hdr));
288 	arch = genimg_get_arch_name(image_get_arch(hdr));
289 	type = genimg_get_type_name(image_get_type(hdr));
290 	comp = genimg_get_comp_name(image_get_comp(hdr));
291 
292 	printf("%s %s %s (%s)\n", arch, os, type, comp);
293 }
294 
295 /**
296  * image_print_contents - prints out the contents of the legacy format image
297  * @ptr: pointer to the legacy format image header
298  * @p: pointer to prefix string
299  *
300  * image_print_contents() formats a multi line legacy image contents description.
301  * The routine prints out all header fields followed by the size/offset data
302  * for MULTI/SCRIPT images.
303  *
304  * returns:
305  *     no returned results
306  */
307 void image_print_contents(const void *ptr)
308 {
309 	const image_header_t *hdr = (const image_header_t *)ptr;
310 	const char __maybe_unused *p;
311 
312 	p = IMAGE_INDENT_STRING;
313 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
314 	if (IMAGE_ENABLE_TIMESTAMP) {
315 		printf("%sCreated:      ", p);
316 		genimg_print_time((time_t)image_get_time(hdr));
317 	}
318 	printf("%sImage Type:   ", p);
319 	image_print_type(hdr);
320 	printf("%sData Size:    ", p);
321 	genimg_print_size(image_get_data_size(hdr));
322 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
323 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
324 
325 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
326 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
327 		int i;
328 		ulong data, len;
329 		ulong count = image_multi_count(hdr);
330 
331 		printf("%sContents:\n", p);
332 		for (i = 0; i < count; i++) {
333 			image_multi_getimg(hdr, i, &data, &len);
334 
335 			printf("%s   Image %d: ", p, i);
336 			genimg_print_size(len);
337 
338 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
339 				/*
340 				 * the user may need to know offsets
341 				 * if planning to do something with
342 				 * multiple files
343 				 */
344 				printf("%s    Offset = 0x%08lx\n", p, data);
345 			}
346 		}
347 	}
348 }
349 
350 
351 #ifndef USE_HOSTCC
352 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
353 /**
354  * image_get_ramdisk - get and verify ramdisk image
355  * @rd_addr: ramdisk image start address
356  * @arch: expected ramdisk architecture
357  * @verify: checksum verification flag
358  *
359  * image_get_ramdisk() returns a pointer to the verified ramdisk image
360  * header. Routine receives image start address and expected architecture
361  * flag. Verification done covers data and header integrity and os/type/arch
362  * fields checking.
363  *
364  * If dataflash support is enabled routine checks for dataflash addresses
365  * and handles required dataflash reads.
366  *
367  * returns:
368  *     pointer to a ramdisk image header, if image was found and valid
369  *     otherwise, return NULL
370  */
371 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
372 						int verify)
373 {
374 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
375 
376 	if (!image_check_magic(rd_hdr)) {
377 		puts("Bad Magic Number\n");
378 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
379 		return NULL;
380 	}
381 
382 	if (!image_check_hcrc(rd_hdr)) {
383 		puts("Bad Header Checksum\n");
384 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
385 		return NULL;
386 	}
387 
388 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
389 	image_print_contents(rd_hdr);
390 
391 	if (verify) {
392 		puts("   Verifying Checksum ... ");
393 		if (!image_check_dcrc(rd_hdr)) {
394 			puts("Bad Data CRC\n");
395 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
396 			return NULL;
397 		}
398 		puts("OK\n");
399 	}
400 
401 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
402 
403 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
404 	    !image_check_arch(rd_hdr, arch) ||
405 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
406 		printf("No Linux %s Ramdisk Image\n",
407 				genimg_get_arch_name(arch));
408 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
409 		return NULL;
410 	}
411 
412 	return rd_hdr;
413 }
414 #endif
415 #endif /* !USE_HOSTCC */
416 
417 /*****************************************************************************/
418 /* Shared dual-format routines */
419 /*****************************************************************************/
420 #ifndef USE_HOSTCC
421 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
422 ulong save_addr;			/* Default Save Address */
423 ulong save_size;			/* Default Save Size (in bytes) */
424 
425 static int on_loadaddr(const char *name, const char *value, enum env_op op,
426 	int flags)
427 {
428 	switch (op) {
429 	case env_op_create:
430 	case env_op_overwrite:
431 		load_addr = simple_strtoul(value, NULL, 16);
432 		break;
433 	default:
434 		break;
435 	}
436 
437 	return 0;
438 }
439 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
440 
441 ulong getenv_bootm_low(void)
442 {
443 	char *s = getenv("bootm_low");
444 	if (s) {
445 		ulong tmp = simple_strtoul(s, NULL, 16);
446 		return tmp;
447 	}
448 
449 #if defined(CONFIG_SYS_SDRAM_BASE)
450 	return CONFIG_SYS_SDRAM_BASE;
451 #elif defined(CONFIG_ARM)
452 	return gd->bd->bi_dram[0].start;
453 #else
454 	return 0;
455 #endif
456 }
457 
458 phys_size_t getenv_bootm_size(void)
459 {
460 	phys_size_t tmp;
461 	char *s = getenv("bootm_size");
462 	if (s) {
463 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
464 		return tmp;
465 	}
466 	s = getenv("bootm_low");
467 	if (s)
468 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
469 	else
470 		tmp = 0;
471 
472 
473 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
474 	return gd->bd->bi_dram[0].size - tmp;
475 #else
476 	return gd->bd->bi_memsize - tmp;
477 #endif
478 }
479 
480 phys_size_t getenv_bootm_mapsize(void)
481 {
482 	phys_size_t tmp;
483 	char *s = getenv("bootm_mapsize");
484 	if (s) {
485 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
486 		return tmp;
487 	}
488 
489 #if defined(CONFIG_SYS_BOOTMAPSZ)
490 	return CONFIG_SYS_BOOTMAPSZ;
491 #else
492 	return getenv_bootm_size();
493 #endif
494 }
495 
496 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
497 {
498 	if (to == from)
499 		return;
500 
501 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
502 	if (to > from) {
503 		from += len;
504 		to += len;
505 	}
506 	while (len > 0) {
507 		size_t tail = (len > chunksz) ? chunksz : len;
508 		WATCHDOG_RESET();
509 		if (to > from) {
510 			to -= tail;
511 			from -= tail;
512 		}
513 		memmove(to, from, tail);
514 		if (to < from) {
515 			to += tail;
516 			from += tail;
517 		}
518 		len -= tail;
519 	}
520 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
521 	memmove(to, from, len);
522 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
523 }
524 #endif /* !USE_HOSTCC */
525 
526 void genimg_print_size(uint32_t size)
527 {
528 #ifndef USE_HOSTCC
529 	printf("%d Bytes = ", size);
530 	print_size(size, "\n");
531 #else
532 	printf("%d Bytes = %.2f kB = %.2f MB\n",
533 			size, (double)size / 1.024e3,
534 			(double)size / 1.048576e6);
535 #endif
536 }
537 
538 #if IMAGE_ENABLE_TIMESTAMP
539 void genimg_print_time(time_t timestamp)
540 {
541 #ifndef USE_HOSTCC
542 	struct rtc_time tm;
543 
544 	rtc_to_tm(timestamp, &tm);
545 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
546 			tm.tm_year, tm.tm_mon, tm.tm_mday,
547 			tm.tm_hour, tm.tm_min, tm.tm_sec);
548 #else
549 	printf("%s", ctime(&timestamp));
550 #endif
551 }
552 #endif
553 
554 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
555 {
556 	for (; table->id >= 0; ++table) {
557 		if (table->id == id)
558 			return table;
559 	}
560 	return NULL;
561 }
562 
563 /**
564  * get_table_entry_name - translate entry id to long name
565  * @table: pointer to a translation table for entries of a specific type
566  * @msg: message to be returned when translation fails
567  * @id: entry id to be translated
568  *
569  * get_table_entry_name() will go over translation table trying to find
570  * entry that matches given id. If matching entry is found, its long
571  * name is returned to the caller.
572  *
573  * returns:
574  *     long entry name if translation succeeds
575  *     msg otherwise
576  */
577 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
578 {
579 	table = get_table_entry(table, id);
580 	if (!table)
581 		return msg;
582 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
583 	return table->lname;
584 #else
585 	return table->lname + gd->reloc_off;
586 #endif
587 }
588 
589 const char *genimg_get_os_name(uint8_t os)
590 {
591 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
592 }
593 
594 const char *genimg_get_arch_name(uint8_t arch)
595 {
596 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
597 					arch));
598 }
599 
600 const char *genimg_get_type_name(uint8_t type)
601 {
602 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
603 }
604 
605 const char *genimg_get_type_short_name(uint8_t type)
606 {
607 	const table_entry_t *table;
608 
609 	table = get_table_entry(uimage_type, type);
610 	if (!table)
611 		return "unknown";
612 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
613 	return table->sname;
614 #else
615 	return table->sname + gd->reloc_off;
616 #endif
617 }
618 
619 const char *genimg_get_comp_name(uint8_t comp)
620 {
621 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
622 					comp));
623 }
624 
625 /**
626  * get_table_entry_id - translate short entry name to id
627  * @table: pointer to a translation table for entries of a specific type
628  * @table_name: to be used in case of error
629  * @name: entry short name to be translated
630  *
631  * get_table_entry_id() will go over translation table trying to find
632  * entry that matches given short name. If matching entry is found,
633  * its id returned to the caller.
634  *
635  * returns:
636  *     entry id if translation succeeds
637  *     -1 otherwise
638  */
639 int get_table_entry_id(const table_entry_t *table,
640 		const char *table_name, const char *name)
641 {
642 	const table_entry_t *t;
643 
644 	for (t = table; t->id >= 0; ++t) {
645 #ifdef CONFIG_NEEDS_MANUAL_RELOC
646 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
647 #else
648 		if (t->sname && strcasecmp(t->sname, name) == 0)
649 #endif
650 			return (t->id);
651 	}
652 	debug("Invalid %s Type: %s\n", table_name, name);
653 
654 	return -1;
655 }
656 
657 int genimg_get_os_id(const char *name)
658 {
659 	return (get_table_entry_id(uimage_os, "OS", name));
660 }
661 
662 int genimg_get_arch_id(const char *name)
663 {
664 	return (get_table_entry_id(uimage_arch, "CPU", name));
665 }
666 
667 int genimg_get_type_id(const char *name)
668 {
669 	return (get_table_entry_id(uimage_type, "Image", name));
670 }
671 
672 int genimg_get_comp_id(const char *name)
673 {
674 	return (get_table_entry_id(uimage_comp, "Compression", name));
675 }
676 
677 #ifndef USE_HOSTCC
678 /**
679  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
680  *                              FIT strings
681  * @img_addr: a string might contain real image address
682  * @fit_uname_config: double pointer to a char, will hold pointer to a
683  *                    configuration unit name
684  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
685  *                    name
686  *
687  * genimg_get_kernel_addr_fit get the real kernel start address from a string
688  * which is normally the first argv of bootm/bootz
689  *
690  * returns:
691  *     kernel start address
692  */
693 ulong genimg_get_kernel_addr_fit(char * const img_addr,
694 			     const char **fit_uname_config,
695 			     const char **fit_uname_kernel)
696 {
697 	ulong kernel_addr;
698 
699 	/* find out kernel image address */
700 	if (!img_addr) {
701 		kernel_addr = load_addr;
702 		debug("*  kernel: default image load address = 0x%08lx\n",
703 		      load_addr);
704 #if defined(CONFIG_FIT)
705 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
706 				  fit_uname_config)) {
707 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
708 		      *fit_uname_config, kernel_addr);
709 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
710 				     fit_uname_kernel)) {
711 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
712 		      *fit_uname_kernel, kernel_addr);
713 #endif
714 	} else {
715 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
716 		debug("*  kernel: cmdline image address = 0x%08lx\n",
717 		      kernel_addr);
718 	}
719 
720 	return kernel_addr;
721 }
722 
723 /**
724  * genimg_get_kernel_addr() is the simple version of
725  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
726  */
727 ulong genimg_get_kernel_addr(char * const img_addr)
728 {
729 	const char *fit_uname_config = NULL;
730 	const char *fit_uname_kernel = NULL;
731 
732 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
733 					  &fit_uname_kernel);
734 }
735 
736 /**
737  * genimg_get_format - get image format type
738  * @img_addr: image start address
739  *
740  * genimg_get_format() checks whether provided address points to a valid
741  * legacy or FIT image.
742  *
743  * New uImage format and FDT blob are based on a libfdt. FDT blob
744  * may be passed directly or embedded in a FIT image. In both situations
745  * genimg_get_format() must be able to dectect libfdt header.
746  *
747  * returns:
748  *     image format type or IMAGE_FORMAT_INVALID if no image is present
749  */
750 int genimg_get_format(const void *img_addr)
751 {
752 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
753 	const image_header_t *hdr;
754 
755 	hdr = (const image_header_t *)img_addr;
756 	if (image_check_magic(hdr))
757 		return IMAGE_FORMAT_LEGACY;
758 #endif
759 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
760 	if (fdt_check_header(img_addr) == 0)
761 		return IMAGE_FORMAT_FIT;
762 #endif
763 #ifdef CONFIG_ANDROID_BOOT_IMAGE
764 	if (android_image_check_header(img_addr) == 0)
765 		return IMAGE_FORMAT_ANDROID;
766 #endif
767 
768 	return IMAGE_FORMAT_INVALID;
769 }
770 
771 /**
772  * genimg_get_image - get image from special storage (if necessary)
773  * @img_addr: image start address
774  *
775  * genimg_get_image() checks if provided image start address is located
776  * in a dataflash storage. If so, image is moved to a system RAM memory.
777  *
778  * returns:
779  *     image start address after possible relocation from special storage
780  */
781 ulong genimg_get_image(ulong img_addr)
782 {
783 	ulong ram_addr = img_addr;
784 
785 #ifdef CONFIG_HAS_DATAFLASH
786 	ulong h_size, d_size;
787 
788 	if (addr_dataflash(img_addr)) {
789 		void *buf;
790 
791 		/* ger RAM address */
792 		ram_addr = CONFIG_SYS_LOAD_ADDR;
793 
794 		/* get header size */
795 		h_size = image_get_header_size();
796 #if defined(CONFIG_FIT)
797 		if (sizeof(struct fdt_header) > h_size)
798 			h_size = sizeof(struct fdt_header);
799 #endif
800 
801 		/* read in header */
802 		debug("   Reading image header from dataflash address "
803 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
804 
805 		buf = map_sysmem(ram_addr, 0);
806 		read_dataflash(img_addr, h_size, buf);
807 
808 		/* get data size */
809 		switch (genimg_get_format(buf)) {
810 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
811 		case IMAGE_FORMAT_LEGACY:
812 			d_size = image_get_data_size(buf);
813 			debug("   Legacy format image found at 0x%08lx, "
814 					"size 0x%08lx\n",
815 					ram_addr, d_size);
816 			break;
817 #endif
818 #if defined(CONFIG_FIT)
819 		case IMAGE_FORMAT_FIT:
820 			d_size = fit_get_size(buf) - h_size;
821 			debug("   FIT/FDT format image found at 0x%08lx, "
822 					"size 0x%08lx\n",
823 					ram_addr, d_size);
824 			break;
825 #endif
826 		default:
827 			printf("   No valid image found at 0x%08lx\n",
828 				img_addr);
829 			return ram_addr;
830 		}
831 
832 		/* read in image data */
833 		debug("   Reading image remaining data from dataflash address "
834 			"%08lx to RAM address %08lx\n", img_addr + h_size,
835 			ram_addr + h_size);
836 
837 		read_dataflash(img_addr + h_size, d_size,
838 				(char *)(buf + h_size));
839 
840 	}
841 #endif /* CONFIG_HAS_DATAFLASH */
842 
843 	return ram_addr;
844 }
845 
846 /**
847  * fit_has_config - check if there is a valid FIT configuration
848  * @images: pointer to the bootm command headers structure
849  *
850  * fit_has_config() checks if there is a FIT configuration in use
851  * (if FTI support is present).
852  *
853  * returns:
854  *     0, no FIT support or no configuration found
855  *     1, configuration found
856  */
857 int genimg_has_config(bootm_headers_t *images)
858 {
859 #if defined(CONFIG_FIT)
860 	if (images->fit_uname_cfg)
861 		return 1;
862 #endif
863 	return 0;
864 }
865 
866 /**
867  * boot_get_ramdisk - main ramdisk handling routine
868  * @argc: command argument count
869  * @argv: command argument list
870  * @images: pointer to the bootm images structure
871  * @arch: expected ramdisk architecture
872  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
873  * @rd_end: pointer to a ulong variable, will hold ramdisk end
874  *
875  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
876  * Curently supported are the following ramdisk sources:
877  *      - multicomponent kernel/ramdisk image,
878  *      - commandline provided address of decicated ramdisk image.
879  *
880  * returns:
881  *     0, if ramdisk image was found and valid, or skiped
882  *     rd_start and rd_end are set to ramdisk start/end addresses if
883  *     ramdisk image is found and valid
884  *
885  *     1, if ramdisk image is found but corrupted, or invalid
886  *     rd_start and rd_end are set to 0 if no ramdisk exists
887  */
888 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
889 		uint8_t arch, ulong *rd_start, ulong *rd_end)
890 {
891 	ulong rd_addr, rd_load;
892 	ulong rd_data, rd_len;
893 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
894 	const image_header_t *rd_hdr;
895 #endif
896 	void *buf;
897 #ifdef CONFIG_SUPPORT_RAW_INITRD
898 	char *end;
899 #endif
900 #if defined(CONFIG_FIT)
901 	const char	*fit_uname_config = images->fit_uname_cfg;
902 	const char	*fit_uname_ramdisk = NULL;
903 	ulong		default_addr;
904 	int		rd_noffset;
905 #endif
906 	const char *select = NULL;
907 
908 	*rd_start = 0;
909 	*rd_end = 0;
910 
911 #ifdef CONFIG_ANDROID_BOOT_IMAGE
912 	/*
913 	 * Look for an Android boot image.
914 	 */
915 	buf = map_sysmem(images->os.start, 0);
916 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
917 		select = argv[0];
918 #endif
919 
920 	if (argc >= 2)
921 		select = argv[1];
922 
923 	/*
924 	 * Look for a '-' which indicates to ignore the
925 	 * ramdisk argument
926 	 */
927 	if (select && strcmp(select, "-") ==  0) {
928 		debug("## Skipping init Ramdisk\n");
929 		rd_len = rd_data = 0;
930 	} else if (select || genimg_has_config(images)) {
931 #if defined(CONFIG_FIT)
932 		if (select) {
933 			/*
934 			 * If the init ramdisk comes from the FIT image and
935 			 * the FIT image address is omitted in the command
936 			 * line argument, try to use os FIT image address or
937 			 * default load address.
938 			 */
939 			if (images->fit_uname_os)
940 				default_addr = (ulong)images->fit_hdr_os;
941 			else
942 				default_addr = load_addr;
943 
944 			if (fit_parse_conf(select, default_addr,
945 					   &rd_addr, &fit_uname_config)) {
946 				debug("*  ramdisk: config '%s' from image at "
947 						"0x%08lx\n",
948 						fit_uname_config, rd_addr);
949 			} else if (fit_parse_subimage(select, default_addr,
950 						&rd_addr, &fit_uname_ramdisk)) {
951 				debug("*  ramdisk: subimage '%s' from image at "
952 						"0x%08lx\n",
953 						fit_uname_ramdisk, rd_addr);
954 			} else
955 #endif
956 			{
957 				rd_addr = simple_strtoul(select, NULL, 16);
958 				debug("*  ramdisk: cmdline image address = "
959 						"0x%08lx\n",
960 						rd_addr);
961 			}
962 #if defined(CONFIG_FIT)
963 		} else {
964 			/* use FIT configuration provided in first bootm
965 			 * command argument. If the property is not defined,
966 			 * quit silently.
967 			 */
968 			rd_addr = map_to_sysmem(images->fit_hdr_os);
969 			rd_noffset = fit_get_node_from_config(images,
970 					FIT_RAMDISK_PROP, rd_addr);
971 			if (rd_noffset == -ENOLINK)
972 				return 0;
973 			else if (rd_noffset < 0)
974 				return 1;
975 		}
976 #endif
977 
978 		/* copy from dataflash if needed */
979 		rd_addr = genimg_get_image(rd_addr);
980 
981 		/*
982 		 * Check if there is an initrd image at the
983 		 * address provided in the second bootm argument
984 		 * check image type, for FIT images get FIT node.
985 		 */
986 		buf = map_sysmem(rd_addr, 0);
987 		switch (genimg_get_format(buf)) {
988 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
989 		case IMAGE_FORMAT_LEGACY:
990 			printf("## Loading init Ramdisk from Legacy "
991 					"Image at %08lx ...\n", rd_addr);
992 
993 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
994 			rd_hdr = image_get_ramdisk(rd_addr, arch,
995 							images->verify);
996 
997 			if (rd_hdr == NULL)
998 				return 1;
999 
1000 			rd_data = image_get_data(rd_hdr);
1001 			rd_len = image_get_data_size(rd_hdr);
1002 			rd_load = image_get_load(rd_hdr);
1003 			break;
1004 #endif
1005 #if defined(CONFIG_FIT)
1006 		case IMAGE_FORMAT_FIT:
1007 			rd_noffset = fit_image_load(images,
1008 					rd_addr, &fit_uname_ramdisk,
1009 					&fit_uname_config, arch,
1010 					IH_TYPE_RAMDISK,
1011 					BOOTSTAGE_ID_FIT_RD_START,
1012 					FIT_LOAD_OPTIONAL_NON_ZERO,
1013 					&rd_data, &rd_len);
1014 			if (rd_noffset < 0)
1015 				return 1;
1016 
1017 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1018 			images->fit_uname_rd = fit_uname_ramdisk;
1019 			images->fit_noffset_rd = rd_noffset;
1020 			break;
1021 #endif
1022 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1023 		case IMAGE_FORMAT_ANDROID:
1024 			android_image_get_ramdisk((void *)images->os.start,
1025 				&rd_data, &rd_len);
1026 			break;
1027 #endif
1028 		default:
1029 #ifdef CONFIG_SUPPORT_RAW_INITRD
1030 			end = NULL;
1031 			if (select)
1032 				end = strchr(select, ':');
1033 			if (end) {
1034 				rd_len = simple_strtoul(++end, NULL, 16);
1035 				rd_data = rd_addr;
1036 			} else
1037 #endif
1038 			{
1039 				puts("Wrong Ramdisk Image Format\n");
1040 				rd_data = rd_len = rd_load = 0;
1041 				return 1;
1042 			}
1043 		}
1044 	} else if (images->legacy_hdr_valid &&
1045 			image_check_type(&images->legacy_hdr_os_copy,
1046 						IH_TYPE_MULTI)) {
1047 
1048 		/*
1049 		 * Now check if we have a legacy mult-component image,
1050 		 * get second entry data start address and len.
1051 		 */
1052 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1053 		printf("## Loading init Ramdisk from multi component "
1054 				"Legacy Image at %08lx ...\n",
1055 				(ulong)images->legacy_hdr_os);
1056 
1057 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1058 	} else {
1059 		/*
1060 		 * no initrd image
1061 		 */
1062 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1063 		rd_len = rd_data = 0;
1064 	}
1065 
1066 	if (!rd_data) {
1067 		debug("## No init Ramdisk\n");
1068 	} else {
1069 		*rd_start = rd_data;
1070 		*rd_end = rd_data + rd_len;
1071 	}
1072 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1073 			*rd_start, *rd_end);
1074 
1075 	return 0;
1076 }
1077 
1078 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1079 /**
1080  * boot_ramdisk_high - relocate init ramdisk
1081  * @lmb: pointer to lmb handle, will be used for memory mgmt
1082  * @rd_data: ramdisk data start address
1083  * @rd_len: ramdisk data length
1084  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1085  *      start address (after possible relocation)
1086  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1087  *      end address (after possible relocation)
1088  *
1089  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1090  * variable and if requested ramdisk data is moved to a specified location.
1091  *
1092  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1093  * start/end addresses if ramdisk image start and len were provided,
1094  * otherwise set initrd_start and initrd_end set to zeros.
1095  *
1096  * returns:
1097  *      0 - success
1098  *     -1 - failure
1099  */
1100 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1101 		  ulong *initrd_start, ulong *initrd_end)
1102 {
1103 	char	*s;
1104 	ulong	initrd_high;
1105 	int	initrd_copy_to_ram = 1;
1106 
1107 	if ((s = getenv("initrd_high")) != NULL) {
1108 		/* a value of "no" or a similar string will act like 0,
1109 		 * turning the "load high" feature off. This is intentional.
1110 		 */
1111 		initrd_high = simple_strtoul(s, NULL, 16);
1112 		if (initrd_high == ~0)
1113 			initrd_copy_to_ram = 0;
1114 	} else {
1115 		/* not set, no restrictions to load high */
1116 		initrd_high = ~0;
1117 	}
1118 
1119 
1120 #ifdef CONFIG_LOGBUFFER
1121 	/* Prevent initrd from overwriting logbuffer */
1122 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1123 #endif
1124 
1125 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1126 			initrd_high, initrd_copy_to_ram);
1127 
1128 	if (rd_data) {
1129 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1130 			debug("   in-place initrd\n");
1131 			*initrd_start = rd_data;
1132 			*initrd_end = rd_data + rd_len;
1133 			lmb_reserve(lmb, rd_data, rd_len);
1134 		} else {
1135 			if (initrd_high)
1136 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1137 						rd_len, 0x1000, initrd_high);
1138 			else
1139 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1140 								 0x1000);
1141 
1142 			if (*initrd_start == 0) {
1143 				puts("ramdisk - allocation error\n");
1144 				goto error;
1145 			}
1146 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1147 
1148 			*initrd_end = *initrd_start + rd_len;
1149 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1150 					*initrd_start, *initrd_end);
1151 
1152 			memmove_wd((void *)*initrd_start,
1153 					(void *)rd_data, rd_len, CHUNKSZ);
1154 
1155 #ifdef CONFIG_MP
1156 			/*
1157 			 * Ensure the image is flushed to memory to handle
1158 			 * AMP boot scenarios in which we might not be
1159 			 * HW cache coherent
1160 			 */
1161 			flush_cache((unsigned long)*initrd_start, rd_len);
1162 #endif
1163 			puts("OK\n");
1164 		}
1165 	} else {
1166 		*initrd_start = 0;
1167 		*initrd_end = 0;
1168 	}
1169 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1170 			*initrd_start, *initrd_end);
1171 
1172 	return 0;
1173 
1174 error:
1175 	return -1;
1176 }
1177 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1178 
1179 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1180 		   ulong *setup_start, ulong *setup_len)
1181 {
1182 #if defined(CONFIG_FIT)
1183 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1184 #else
1185 	return -ENOENT;
1186 #endif
1187 }
1188 
1189 #if defined(CONFIG_FIT)
1190 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1191 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1192 {
1193 	/*
1194 	 * These variables are used to hold the current image location
1195 	 * in system memory.
1196 	 */
1197 	ulong tmp_img_addr;
1198 	/*
1199 	 * These two variables are requirements for fit_image_load, but
1200 	 * their values are not used
1201 	 */
1202 	ulong img_data, img_len;
1203 	void *buf;
1204 	int loadables_index;
1205 	int conf_noffset;
1206 	int fit_img_result;
1207 	char *uname;
1208 
1209 	/* Check to see if the images struct has a FIT configuration */
1210 	if (!genimg_has_config(images)) {
1211 		debug("## FIT configuration was not specified\n");
1212 		return 0;
1213 	}
1214 
1215 	/*
1216 	 * Obtain the os FIT header from the images struct
1217 	 * copy from dataflash if needed
1218 	 */
1219 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1220 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1221 	buf = map_sysmem(tmp_img_addr, 0);
1222 	/*
1223 	 * Check image type. For FIT images get FIT node
1224 	 * and attempt to locate a generic binary.
1225 	 */
1226 	switch (genimg_get_format(buf)) {
1227 	case IMAGE_FORMAT_FIT:
1228 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1229 
1230 		for (loadables_index = 0;
1231 		     fdt_get_string_index(buf, conf_noffset,
1232 				FIT_LOADABLE_PROP,
1233 				loadables_index,
1234 				(const char **)&uname) == 0;
1235 		     loadables_index++)
1236 		{
1237 			fit_img_result = fit_image_load(images,
1238 				tmp_img_addr,
1239 				(const char **)&uname,
1240 				&(images->fit_uname_cfg), arch,
1241 				IH_TYPE_LOADABLE,
1242 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1243 				FIT_LOAD_OPTIONAL_NON_ZERO,
1244 				&img_data, &img_len);
1245 			if (fit_img_result < 0) {
1246 				/* Something went wrong! */
1247 				return fit_img_result;
1248 			}
1249 		}
1250 		break;
1251 	default:
1252 		printf("The given image format is not supported (corrupt?)\n");
1253 		return 1;
1254 	}
1255 
1256 	return 0;
1257 }
1258 #endif
1259 
1260 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1261 /**
1262  * boot_get_cmdline - allocate and initialize kernel cmdline
1263  * @lmb: pointer to lmb handle, will be used for memory mgmt
1264  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1265  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1266  *
1267  * boot_get_cmdline() allocates space for kernel command line below
1268  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1269  * variable is present its contents is copied to allocated kernel
1270  * command line.
1271  *
1272  * returns:
1273  *      0 - success
1274  *     -1 - failure
1275  */
1276 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1277 {
1278 	char *cmdline;
1279 	char *s;
1280 
1281 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1282 				getenv_bootm_mapsize() + getenv_bootm_low());
1283 
1284 	if (cmdline == NULL)
1285 		return -1;
1286 
1287 	if ((s = getenv("bootargs")) == NULL)
1288 		s = "";
1289 
1290 	strcpy(cmdline, s);
1291 
1292 	*cmd_start = (ulong) & cmdline[0];
1293 	*cmd_end = *cmd_start + strlen(cmdline);
1294 
1295 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1296 
1297 	return 0;
1298 }
1299 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1300 
1301 #ifdef CONFIG_SYS_BOOT_GET_KBD
1302 /**
1303  * boot_get_kbd - allocate and initialize kernel copy of board info
1304  * @lmb: pointer to lmb handle, will be used for memory mgmt
1305  * @kbd: double pointer to board info data
1306  *
1307  * boot_get_kbd() allocates space for kernel copy of board info data below
1308  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1309  * with the current u-boot board info data.
1310  *
1311  * returns:
1312  *      0 - success
1313  *     -1 - failure
1314  */
1315 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1316 {
1317 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1318 				getenv_bootm_mapsize() + getenv_bootm_low());
1319 	if (*kbd == NULL)
1320 		return -1;
1321 
1322 	**kbd = *(gd->bd);
1323 
1324 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1325 
1326 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1327 	do_bdinfo(NULL, 0, 0, NULL);
1328 #endif
1329 
1330 	return 0;
1331 }
1332 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1333 
1334 #ifdef CONFIG_LMB
1335 int image_setup_linux(bootm_headers_t *images)
1336 {
1337 	ulong of_size = images->ft_len;
1338 	char **of_flat_tree = &images->ft_addr;
1339 	ulong *initrd_start = &images->initrd_start;
1340 	ulong *initrd_end = &images->initrd_end;
1341 	struct lmb *lmb = &images->lmb;
1342 	ulong rd_len;
1343 	int ret;
1344 
1345 	if (IMAGE_ENABLE_OF_LIBFDT)
1346 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1347 
1348 	if (IMAGE_BOOT_GET_CMDLINE) {
1349 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1350 				&images->cmdline_end);
1351 		if (ret) {
1352 			puts("ERROR with allocation of cmdline\n");
1353 			return ret;
1354 		}
1355 	}
1356 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1357 		rd_len = images->rd_end - images->rd_start;
1358 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1359 				initrd_start, initrd_end);
1360 		if (ret)
1361 			return ret;
1362 	}
1363 
1364 	if (IMAGE_ENABLE_OF_LIBFDT) {
1365 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1366 		if (ret)
1367 			return ret;
1368 	}
1369 
1370 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1371 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1372 		if (ret)
1373 			return ret;
1374 	}
1375 
1376 	return 0;
1377 }
1378 #endif /* CONFIG_LMB */
1379 #endif /* !USE_HOSTCC */
1380