xref: /openbmc/u-boot/common/image.c (revision 0a61ee88)
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 	{	IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
162 	{	-1,		    "",		  "",			},
163 };
164 
165 static const table_entry_t uimage_comp[] = {
166 	{	IH_COMP_NONE,	"none",		"uncompressed",		},
167 	{	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	},
168 	{	IH_COMP_GZIP,	"gzip",		"gzip compressed",	},
169 	{	IH_COMP_LZMA,	"lzma",		"lzma compressed",	},
170 	{	IH_COMP_LZO,	"lzo",		"lzo compressed",	},
171 	{	IH_COMP_LZ4,	"lz4",		"lz4 compressed",	},
172 	{	-1,		"",		"",			},
173 };
174 
175 /*****************************************************************************/
176 /* Legacy format routines */
177 /*****************************************************************************/
178 int image_check_hcrc(const image_header_t *hdr)
179 {
180 	ulong hcrc;
181 	ulong len = image_get_header_size();
182 	image_header_t header;
183 
184 	/* Copy header so we can blank CRC field for re-calculation */
185 	memmove(&header, (char *)hdr, image_get_header_size());
186 	image_set_hcrc(&header, 0);
187 
188 	hcrc = crc32(0, (unsigned char *)&header, len);
189 
190 	return (hcrc == image_get_hcrc(hdr));
191 }
192 
193 int image_check_dcrc(const image_header_t *hdr)
194 {
195 	ulong data = image_get_data(hdr);
196 	ulong len = image_get_data_size(hdr);
197 	ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
198 
199 	return (dcrc == image_get_dcrc(hdr));
200 }
201 
202 /**
203  * image_multi_count - get component (sub-image) count
204  * @hdr: pointer to the header of the multi component image
205  *
206  * image_multi_count() returns number of components in a multi
207  * component image.
208  *
209  * Note: no checking of the image type is done, caller must pass
210  * a valid multi component image.
211  *
212  * returns:
213  *     number of components
214  */
215 ulong image_multi_count(const image_header_t *hdr)
216 {
217 	ulong i, count = 0;
218 	uint32_t *size;
219 
220 	/* get start of the image payload, which in case of multi
221 	 * component images that points to a table of component sizes */
222 	size = (uint32_t *)image_get_data(hdr);
223 
224 	/* count non empty slots */
225 	for (i = 0; size[i]; ++i)
226 		count++;
227 
228 	return count;
229 }
230 
231 /**
232  * image_multi_getimg - get component data address and size
233  * @hdr: pointer to the header of the multi component image
234  * @idx: index of the requested component
235  * @data: pointer to a ulong variable, will hold component data address
236  * @len: pointer to a ulong variable, will hold component size
237  *
238  * image_multi_getimg() returns size and data address for the requested
239  * component in a multi component image.
240  *
241  * Note: no checking of the image type is done, caller must pass
242  * a valid multi component image.
243  *
244  * returns:
245  *     data address and size of the component, if idx is valid
246  *     0 in data and len, if idx is out of range
247  */
248 void image_multi_getimg(const image_header_t *hdr, ulong idx,
249 			ulong *data, ulong *len)
250 {
251 	int i;
252 	uint32_t *size;
253 	ulong offset, count, img_data;
254 
255 	/* get number of component */
256 	count = image_multi_count(hdr);
257 
258 	/* get start of the image payload, which in case of multi
259 	 * component images that points to a table of component sizes */
260 	size = (uint32_t *)image_get_data(hdr);
261 
262 	/* get address of the proper component data start, which means
263 	 * skipping sizes table (add 1 for last, null entry) */
264 	img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
265 
266 	if (idx < count) {
267 		*len = uimage_to_cpu(size[idx]);
268 		offset = 0;
269 
270 		/* go over all indices preceding requested component idx */
271 		for (i = 0; i < idx; i++) {
272 			/* add up i-th component size, rounding up to 4 bytes */
273 			offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
274 		}
275 
276 		/* calculate idx-th component data address */
277 		*data = img_data + offset;
278 	} else {
279 		*len = 0;
280 		*data = 0;
281 	}
282 }
283 
284 static void image_print_type(const image_header_t *hdr)
285 {
286 	const char __maybe_unused *os, *arch, *type, *comp;
287 
288 	os = genimg_get_os_name(image_get_os(hdr));
289 	arch = genimg_get_arch_name(image_get_arch(hdr));
290 	type = genimg_get_type_name(image_get_type(hdr));
291 	comp = genimg_get_comp_name(image_get_comp(hdr));
292 
293 	printf("%s %s %s (%s)\n", arch, os, type, comp);
294 }
295 
296 /**
297  * image_print_contents - prints out the contents of the legacy format image
298  * @ptr: pointer to the legacy format image header
299  * @p: pointer to prefix string
300  *
301  * image_print_contents() formats a multi line legacy image contents description.
302  * The routine prints out all header fields followed by the size/offset data
303  * for MULTI/SCRIPT images.
304  *
305  * returns:
306  *     no returned results
307  */
308 void image_print_contents(const void *ptr)
309 {
310 	const image_header_t *hdr = (const image_header_t *)ptr;
311 	const char __maybe_unused *p;
312 
313 	p = IMAGE_INDENT_STRING;
314 	printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
315 	if (IMAGE_ENABLE_TIMESTAMP) {
316 		printf("%sCreated:      ", p);
317 		genimg_print_time((time_t)image_get_time(hdr));
318 	}
319 	printf("%sImage Type:   ", p);
320 	image_print_type(hdr);
321 	printf("%sData Size:    ", p);
322 	genimg_print_size(image_get_data_size(hdr));
323 	printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
324 	printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
325 
326 	if (image_check_type(hdr, IH_TYPE_MULTI) ||
327 			image_check_type(hdr, IH_TYPE_SCRIPT)) {
328 		int i;
329 		ulong data, len;
330 		ulong count = image_multi_count(hdr);
331 
332 		printf("%sContents:\n", p);
333 		for (i = 0; i < count; i++) {
334 			image_multi_getimg(hdr, i, &data, &len);
335 
336 			printf("%s   Image %d: ", p, i);
337 			genimg_print_size(len);
338 
339 			if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
340 				/*
341 				 * the user may need to know offsets
342 				 * if planning to do something with
343 				 * multiple files
344 				 */
345 				printf("%s    Offset = 0x%08lx\n", p, data);
346 			}
347 		}
348 	}
349 }
350 
351 
352 #ifndef USE_HOSTCC
353 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
354 /**
355  * image_get_ramdisk - get and verify ramdisk image
356  * @rd_addr: ramdisk image start address
357  * @arch: expected ramdisk architecture
358  * @verify: checksum verification flag
359  *
360  * image_get_ramdisk() returns a pointer to the verified ramdisk image
361  * header. Routine receives image start address and expected architecture
362  * flag. Verification done covers data and header integrity and os/type/arch
363  * fields checking.
364  *
365  * If dataflash support is enabled routine checks for dataflash addresses
366  * and handles required dataflash reads.
367  *
368  * returns:
369  *     pointer to a ramdisk image header, if image was found and valid
370  *     otherwise, return NULL
371  */
372 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
373 						int verify)
374 {
375 	const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
376 
377 	if (!image_check_magic(rd_hdr)) {
378 		puts("Bad Magic Number\n");
379 		bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
380 		return NULL;
381 	}
382 
383 	if (!image_check_hcrc(rd_hdr)) {
384 		puts("Bad Header Checksum\n");
385 		bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
386 		return NULL;
387 	}
388 
389 	bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
390 	image_print_contents(rd_hdr);
391 
392 	if (verify) {
393 		puts("   Verifying Checksum ... ");
394 		if (!image_check_dcrc(rd_hdr)) {
395 			puts("Bad Data CRC\n");
396 			bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
397 			return NULL;
398 		}
399 		puts("OK\n");
400 	}
401 
402 	bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
403 
404 	if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
405 	    !image_check_arch(rd_hdr, arch) ||
406 	    !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
407 		printf("No Linux %s Ramdisk Image\n",
408 				genimg_get_arch_name(arch));
409 		bootstage_error(BOOTSTAGE_ID_RAMDISK);
410 		return NULL;
411 	}
412 
413 	return rd_hdr;
414 }
415 #endif
416 #endif /* !USE_HOSTCC */
417 
418 /*****************************************************************************/
419 /* Shared dual-format routines */
420 /*****************************************************************************/
421 #ifndef USE_HOSTCC
422 ulong load_addr = CONFIG_SYS_LOAD_ADDR;	/* Default Load Address */
423 ulong save_addr;			/* Default Save Address */
424 ulong save_size;			/* Default Save Size (in bytes) */
425 
426 static int on_loadaddr(const char *name, const char *value, enum env_op op,
427 	int flags)
428 {
429 	switch (op) {
430 	case env_op_create:
431 	case env_op_overwrite:
432 		load_addr = simple_strtoul(value, NULL, 16);
433 		break;
434 	default:
435 		break;
436 	}
437 
438 	return 0;
439 }
440 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
441 
442 ulong getenv_bootm_low(void)
443 {
444 	char *s = getenv("bootm_low");
445 	if (s) {
446 		ulong tmp = simple_strtoul(s, NULL, 16);
447 		return tmp;
448 	}
449 
450 #if defined(CONFIG_SYS_SDRAM_BASE)
451 	return CONFIG_SYS_SDRAM_BASE;
452 #elif defined(CONFIG_ARM)
453 	return gd->bd->bi_dram[0].start;
454 #else
455 	return 0;
456 #endif
457 }
458 
459 phys_size_t getenv_bootm_size(void)
460 {
461 	phys_size_t tmp;
462 	char *s = getenv("bootm_size");
463 	if (s) {
464 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
465 		return tmp;
466 	}
467 	s = getenv("bootm_low");
468 	if (s)
469 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
470 	else
471 		tmp = 0;
472 
473 
474 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
475 	return gd->bd->bi_dram[0].size - (tmp - gd->bd->bi_dram[0].start);
476 #else
477 	return gd->bd->bi_memsize - (tmp - gd->bd->bi_memstart);
478 #endif
479 }
480 
481 phys_size_t getenv_bootm_mapsize(void)
482 {
483 	phys_size_t tmp;
484 	char *s = getenv("bootm_mapsize");
485 	if (s) {
486 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
487 		return tmp;
488 	}
489 
490 #if defined(CONFIG_SYS_BOOTMAPSZ)
491 	return CONFIG_SYS_BOOTMAPSZ;
492 #else
493 	return getenv_bootm_size();
494 #endif
495 }
496 
497 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
498 {
499 	if (to == from)
500 		return;
501 
502 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
503 	if (to > from) {
504 		from += len;
505 		to += len;
506 	}
507 	while (len > 0) {
508 		size_t tail = (len > chunksz) ? chunksz : len;
509 		WATCHDOG_RESET();
510 		if (to > from) {
511 			to -= tail;
512 			from -= tail;
513 		}
514 		memmove(to, from, tail);
515 		if (to < from) {
516 			to += tail;
517 			from += tail;
518 		}
519 		len -= tail;
520 	}
521 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
522 	memmove(to, from, len);
523 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
524 }
525 #endif /* !USE_HOSTCC */
526 
527 void genimg_print_size(uint32_t size)
528 {
529 #ifndef USE_HOSTCC
530 	printf("%d Bytes = ", size);
531 	print_size(size, "\n");
532 #else
533 	printf("%d Bytes = %.2f kB = %.2f MB\n",
534 			size, (double)size / 1.024e3,
535 			(double)size / 1.048576e6);
536 #endif
537 }
538 
539 #if IMAGE_ENABLE_TIMESTAMP
540 void genimg_print_time(time_t timestamp)
541 {
542 #ifndef USE_HOSTCC
543 	struct rtc_time tm;
544 
545 	rtc_to_tm(timestamp, &tm);
546 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
547 			tm.tm_year, tm.tm_mon, tm.tm_mday,
548 			tm.tm_hour, tm.tm_min, tm.tm_sec);
549 #else
550 	printf("%s", ctime(&timestamp));
551 #endif
552 }
553 #endif
554 
555 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
556 {
557 	for (; table->id >= 0; ++table) {
558 		if (table->id == id)
559 			return table;
560 	}
561 	return NULL;
562 }
563 
564 /**
565  * get_table_entry_name - translate entry id to long name
566  * @table: pointer to a translation table for entries of a specific type
567  * @msg: message to be returned when translation fails
568  * @id: entry id to be translated
569  *
570  * get_table_entry_name() will go over translation table trying to find
571  * entry that matches given id. If matching entry is found, its long
572  * name is returned to the caller.
573  *
574  * returns:
575  *     long entry name if translation succeeds
576  *     msg otherwise
577  */
578 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
579 {
580 	table = get_table_entry(table, id);
581 	if (!table)
582 		return msg;
583 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
584 	return table->lname;
585 #else
586 	return table->lname + gd->reloc_off;
587 #endif
588 }
589 
590 const char *genimg_get_os_name(uint8_t os)
591 {
592 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
593 }
594 
595 const char *genimg_get_arch_name(uint8_t arch)
596 {
597 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
598 					arch));
599 }
600 
601 const char *genimg_get_type_name(uint8_t type)
602 {
603 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
604 }
605 
606 const char *genimg_get_type_short_name(uint8_t type)
607 {
608 	const table_entry_t *table;
609 
610 	table = get_table_entry(uimage_type, type);
611 	if (!table)
612 		return "unknown";
613 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
614 	return table->sname;
615 #else
616 	return table->sname + gd->reloc_off;
617 #endif
618 }
619 
620 const char *genimg_get_comp_name(uint8_t comp)
621 {
622 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
623 					comp));
624 }
625 
626 /**
627  * get_table_entry_id - translate short entry name to id
628  * @table: pointer to a translation table for entries of a specific type
629  * @table_name: to be used in case of error
630  * @name: entry short name to be translated
631  *
632  * get_table_entry_id() will go over translation table trying to find
633  * entry that matches given short name. If matching entry is found,
634  * its id returned to the caller.
635  *
636  * returns:
637  *     entry id if translation succeeds
638  *     -1 otherwise
639  */
640 int get_table_entry_id(const table_entry_t *table,
641 		const char *table_name, const char *name)
642 {
643 	const table_entry_t *t;
644 
645 	for (t = table; t->id >= 0; ++t) {
646 #ifdef CONFIG_NEEDS_MANUAL_RELOC
647 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
648 #else
649 		if (t->sname && strcasecmp(t->sname, name) == 0)
650 #endif
651 			return (t->id);
652 	}
653 	debug("Invalid %s Type: %s\n", table_name, name);
654 
655 	return -1;
656 }
657 
658 int genimg_get_os_id(const char *name)
659 {
660 	return (get_table_entry_id(uimage_os, "OS", name));
661 }
662 
663 int genimg_get_arch_id(const char *name)
664 {
665 	return (get_table_entry_id(uimage_arch, "CPU", name));
666 }
667 
668 int genimg_get_type_id(const char *name)
669 {
670 	return (get_table_entry_id(uimage_type, "Image", name));
671 }
672 
673 int genimg_get_comp_id(const char *name)
674 {
675 	return (get_table_entry_id(uimage_comp, "Compression", name));
676 }
677 
678 #ifndef USE_HOSTCC
679 /**
680  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
681  *                              FIT strings
682  * @img_addr: a string might contain real image address
683  * @fit_uname_config: double pointer to a char, will hold pointer to a
684  *                    configuration unit name
685  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
686  *                    name
687  *
688  * genimg_get_kernel_addr_fit get the real kernel start address from a string
689  * which is normally the first argv of bootm/bootz
690  *
691  * returns:
692  *     kernel start address
693  */
694 ulong genimg_get_kernel_addr_fit(char * const img_addr,
695 			     const char **fit_uname_config,
696 			     const char **fit_uname_kernel)
697 {
698 	ulong kernel_addr;
699 
700 	/* find out kernel image address */
701 	if (!img_addr) {
702 		kernel_addr = load_addr;
703 		debug("*  kernel: default image load address = 0x%08lx\n",
704 		      load_addr);
705 #if defined(CONFIG_FIT)
706 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
707 				  fit_uname_config)) {
708 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
709 		      *fit_uname_config, kernel_addr);
710 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
711 				     fit_uname_kernel)) {
712 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
713 		      *fit_uname_kernel, kernel_addr);
714 #endif
715 	} else {
716 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
717 		debug("*  kernel: cmdline image address = 0x%08lx\n",
718 		      kernel_addr);
719 	}
720 
721 	return kernel_addr;
722 }
723 
724 /**
725  * genimg_get_kernel_addr() is the simple version of
726  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
727  */
728 ulong genimg_get_kernel_addr(char * const img_addr)
729 {
730 	const char *fit_uname_config = NULL;
731 	const char *fit_uname_kernel = NULL;
732 
733 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
734 					  &fit_uname_kernel);
735 }
736 
737 /**
738  * genimg_get_format - get image format type
739  * @img_addr: image start address
740  *
741  * genimg_get_format() checks whether provided address points to a valid
742  * legacy or FIT image.
743  *
744  * New uImage format and FDT blob are based on a libfdt. FDT blob
745  * may be passed directly or embedded in a FIT image. In both situations
746  * genimg_get_format() must be able to dectect libfdt header.
747  *
748  * returns:
749  *     image format type or IMAGE_FORMAT_INVALID if no image is present
750  */
751 int genimg_get_format(const void *img_addr)
752 {
753 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
754 	const image_header_t *hdr;
755 
756 	hdr = (const image_header_t *)img_addr;
757 	if (image_check_magic(hdr))
758 		return IMAGE_FORMAT_LEGACY;
759 #endif
760 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
761 	if (fdt_check_header(img_addr) == 0)
762 		return IMAGE_FORMAT_FIT;
763 #endif
764 #ifdef CONFIG_ANDROID_BOOT_IMAGE
765 	if (android_image_check_header(img_addr) == 0)
766 		return IMAGE_FORMAT_ANDROID;
767 #endif
768 
769 	return IMAGE_FORMAT_INVALID;
770 }
771 
772 /**
773  * genimg_get_image - get image from special storage (if necessary)
774  * @img_addr: image start address
775  *
776  * genimg_get_image() checks if provided image start address is located
777  * in a dataflash storage. If so, image is moved to a system RAM memory.
778  *
779  * returns:
780  *     image start address after possible relocation from special storage
781  */
782 ulong genimg_get_image(ulong img_addr)
783 {
784 	ulong ram_addr = img_addr;
785 
786 #ifdef CONFIG_HAS_DATAFLASH
787 	ulong h_size, d_size;
788 
789 	if (addr_dataflash(img_addr)) {
790 		void *buf;
791 
792 		/* ger RAM address */
793 		ram_addr = CONFIG_SYS_LOAD_ADDR;
794 
795 		/* get header size */
796 		h_size = image_get_header_size();
797 #if defined(CONFIG_FIT)
798 		if (sizeof(struct fdt_header) > h_size)
799 			h_size = sizeof(struct fdt_header);
800 #endif
801 
802 		/* read in header */
803 		debug("   Reading image header from dataflash address "
804 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
805 
806 		buf = map_sysmem(ram_addr, 0);
807 		read_dataflash(img_addr, h_size, buf);
808 
809 		/* get data size */
810 		switch (genimg_get_format(buf)) {
811 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
812 		case IMAGE_FORMAT_LEGACY:
813 			d_size = image_get_data_size(buf);
814 			debug("   Legacy format image found at 0x%08lx, "
815 					"size 0x%08lx\n",
816 					ram_addr, d_size);
817 			break;
818 #endif
819 #if defined(CONFIG_FIT)
820 		case IMAGE_FORMAT_FIT:
821 			d_size = fit_get_size(buf) - h_size;
822 			debug("   FIT/FDT format image found at 0x%08lx, "
823 					"size 0x%08lx\n",
824 					ram_addr, d_size);
825 			break;
826 #endif
827 		default:
828 			printf("   No valid image found at 0x%08lx\n",
829 				img_addr);
830 			return ram_addr;
831 		}
832 
833 		/* read in image data */
834 		debug("   Reading image remaining data from dataflash address "
835 			"%08lx to RAM address %08lx\n", img_addr + h_size,
836 			ram_addr + h_size);
837 
838 		read_dataflash(img_addr + h_size, d_size,
839 				(char *)(buf + h_size));
840 
841 	}
842 #endif /* CONFIG_HAS_DATAFLASH */
843 
844 	return ram_addr;
845 }
846 
847 /**
848  * fit_has_config - check if there is a valid FIT configuration
849  * @images: pointer to the bootm command headers structure
850  *
851  * fit_has_config() checks if there is a FIT configuration in use
852  * (if FTI support is present).
853  *
854  * returns:
855  *     0, no FIT support or no configuration found
856  *     1, configuration found
857  */
858 int genimg_has_config(bootm_headers_t *images)
859 {
860 #if defined(CONFIG_FIT)
861 	if (images->fit_uname_cfg)
862 		return 1;
863 #endif
864 	return 0;
865 }
866 
867 /**
868  * boot_get_ramdisk - main ramdisk handling routine
869  * @argc: command argument count
870  * @argv: command argument list
871  * @images: pointer to the bootm images structure
872  * @arch: expected ramdisk architecture
873  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
874  * @rd_end: pointer to a ulong variable, will hold ramdisk end
875  *
876  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
877  * Curently supported are the following ramdisk sources:
878  *      - multicomponent kernel/ramdisk image,
879  *      - commandline provided address of decicated ramdisk image.
880  *
881  * returns:
882  *     0, if ramdisk image was found and valid, or skiped
883  *     rd_start and rd_end are set to ramdisk start/end addresses if
884  *     ramdisk image is found and valid
885  *
886  *     1, if ramdisk image is found but corrupted, or invalid
887  *     rd_start and rd_end are set to 0 if no ramdisk exists
888  */
889 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
890 		uint8_t arch, ulong *rd_start, ulong *rd_end)
891 {
892 	ulong rd_addr, rd_load;
893 	ulong rd_data, rd_len;
894 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
895 	const image_header_t *rd_hdr;
896 #endif
897 	void *buf;
898 #ifdef CONFIG_SUPPORT_RAW_INITRD
899 	char *end;
900 #endif
901 #if defined(CONFIG_FIT)
902 	const char	*fit_uname_config = images->fit_uname_cfg;
903 	const char	*fit_uname_ramdisk = NULL;
904 	ulong		default_addr;
905 	int		rd_noffset;
906 #endif
907 	const char *select = NULL;
908 
909 	*rd_start = 0;
910 	*rd_end = 0;
911 
912 #ifdef CONFIG_ANDROID_BOOT_IMAGE
913 	/*
914 	 * Look for an Android boot image.
915 	 */
916 	buf = map_sysmem(images->os.start, 0);
917 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
918 		select = argv[0];
919 #endif
920 
921 	if (argc >= 2)
922 		select = argv[1];
923 
924 	/*
925 	 * Look for a '-' which indicates to ignore the
926 	 * ramdisk argument
927 	 */
928 	if (select && strcmp(select, "-") ==  0) {
929 		debug("## Skipping init Ramdisk\n");
930 		rd_len = rd_data = 0;
931 	} else if (select || genimg_has_config(images)) {
932 #if defined(CONFIG_FIT)
933 		if (select) {
934 			/*
935 			 * If the init ramdisk comes from the FIT image and
936 			 * the FIT image address is omitted in the command
937 			 * line argument, try to use os FIT image address or
938 			 * default load address.
939 			 */
940 			if (images->fit_uname_os)
941 				default_addr = (ulong)images->fit_hdr_os;
942 			else
943 				default_addr = load_addr;
944 
945 			if (fit_parse_conf(select, default_addr,
946 					   &rd_addr, &fit_uname_config)) {
947 				debug("*  ramdisk: config '%s' from image at "
948 						"0x%08lx\n",
949 						fit_uname_config, rd_addr);
950 			} else if (fit_parse_subimage(select, default_addr,
951 						&rd_addr, &fit_uname_ramdisk)) {
952 				debug("*  ramdisk: subimage '%s' from image at "
953 						"0x%08lx\n",
954 						fit_uname_ramdisk, rd_addr);
955 			} else
956 #endif
957 			{
958 				rd_addr = simple_strtoul(select, NULL, 16);
959 				debug("*  ramdisk: cmdline image address = "
960 						"0x%08lx\n",
961 						rd_addr);
962 			}
963 #if defined(CONFIG_FIT)
964 		} else {
965 			/* use FIT configuration provided in first bootm
966 			 * command argument. If the property is not defined,
967 			 * quit silently.
968 			 */
969 			rd_addr = map_to_sysmem(images->fit_hdr_os);
970 			rd_noffset = fit_get_node_from_config(images,
971 					FIT_RAMDISK_PROP, rd_addr);
972 			if (rd_noffset == -ENOLINK)
973 				return 0;
974 			else if (rd_noffset < 0)
975 				return 1;
976 		}
977 #endif
978 
979 		/* copy from dataflash if needed */
980 		rd_addr = genimg_get_image(rd_addr);
981 
982 		/*
983 		 * Check if there is an initrd image at the
984 		 * address provided in the second bootm argument
985 		 * check image type, for FIT images get FIT node.
986 		 */
987 		buf = map_sysmem(rd_addr, 0);
988 		switch (genimg_get_format(buf)) {
989 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
990 		case IMAGE_FORMAT_LEGACY:
991 			printf("## Loading init Ramdisk from Legacy "
992 					"Image at %08lx ...\n", rd_addr);
993 
994 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
995 			rd_hdr = image_get_ramdisk(rd_addr, arch,
996 							images->verify);
997 
998 			if (rd_hdr == NULL)
999 				return 1;
1000 
1001 			rd_data = image_get_data(rd_hdr);
1002 			rd_len = image_get_data_size(rd_hdr);
1003 			rd_load = image_get_load(rd_hdr);
1004 			break;
1005 #endif
1006 #if defined(CONFIG_FIT)
1007 		case IMAGE_FORMAT_FIT:
1008 			rd_noffset = fit_image_load(images,
1009 					rd_addr, &fit_uname_ramdisk,
1010 					&fit_uname_config, arch,
1011 					IH_TYPE_RAMDISK,
1012 					BOOTSTAGE_ID_FIT_RD_START,
1013 					FIT_LOAD_OPTIONAL_NON_ZERO,
1014 					&rd_data, &rd_len);
1015 			if (rd_noffset < 0)
1016 				return 1;
1017 
1018 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1019 			images->fit_uname_rd = fit_uname_ramdisk;
1020 			images->fit_noffset_rd = rd_noffset;
1021 			break;
1022 #endif
1023 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1024 		case IMAGE_FORMAT_ANDROID:
1025 			android_image_get_ramdisk((void *)images->os.start,
1026 				&rd_data, &rd_len);
1027 			break;
1028 #endif
1029 		default:
1030 #ifdef CONFIG_SUPPORT_RAW_INITRD
1031 			end = NULL;
1032 			if (select)
1033 				end = strchr(select, ':');
1034 			if (end) {
1035 				rd_len = simple_strtoul(++end, NULL, 16);
1036 				rd_data = rd_addr;
1037 			} else
1038 #endif
1039 			{
1040 				puts("Wrong Ramdisk Image Format\n");
1041 				rd_data = rd_len = rd_load = 0;
1042 				return 1;
1043 			}
1044 		}
1045 	} else if (images->legacy_hdr_valid &&
1046 			image_check_type(&images->legacy_hdr_os_copy,
1047 						IH_TYPE_MULTI)) {
1048 
1049 		/*
1050 		 * Now check if we have a legacy mult-component image,
1051 		 * get second entry data start address and len.
1052 		 */
1053 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1054 		printf("## Loading init Ramdisk from multi component "
1055 				"Legacy Image at %08lx ...\n",
1056 				(ulong)images->legacy_hdr_os);
1057 
1058 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1059 	} else {
1060 		/*
1061 		 * no initrd image
1062 		 */
1063 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1064 		rd_len = rd_data = 0;
1065 	}
1066 
1067 	if (!rd_data) {
1068 		debug("## No init Ramdisk\n");
1069 	} else {
1070 		*rd_start = rd_data;
1071 		*rd_end = rd_data + rd_len;
1072 	}
1073 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1074 			*rd_start, *rd_end);
1075 
1076 	return 0;
1077 }
1078 
1079 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1080 /**
1081  * boot_ramdisk_high - relocate init ramdisk
1082  * @lmb: pointer to lmb handle, will be used for memory mgmt
1083  * @rd_data: ramdisk data start address
1084  * @rd_len: ramdisk data length
1085  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1086  *      start address (after possible relocation)
1087  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1088  *      end address (after possible relocation)
1089  *
1090  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1091  * variable and if requested ramdisk data is moved to a specified location.
1092  *
1093  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1094  * start/end addresses if ramdisk image start and len were provided,
1095  * otherwise set initrd_start and initrd_end set to zeros.
1096  *
1097  * returns:
1098  *      0 - success
1099  *     -1 - failure
1100  */
1101 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1102 		  ulong *initrd_start, ulong *initrd_end)
1103 {
1104 	char	*s;
1105 	ulong	initrd_high;
1106 	int	initrd_copy_to_ram = 1;
1107 
1108 	if ((s = getenv("initrd_high")) != NULL) {
1109 		/* a value of "no" or a similar string will act like 0,
1110 		 * turning the "load high" feature off. This is intentional.
1111 		 */
1112 		initrd_high = simple_strtoul(s, NULL, 16);
1113 		if (initrd_high == ~0)
1114 			initrd_copy_to_ram = 0;
1115 	} else {
1116 		initrd_high = getenv_bootm_mapsize() + getenv_bootm_low();
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