xref: /openbmc/u-boot/common/image.c (revision 14cec061)
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, size;
462 	phys_addr_t start;
463 	char *s = getenv("bootm_size");
464 	if (s) {
465 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
466 		return tmp;
467 	}
468 
469 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
470 	start = gd->bd->bi_dram[0].start;
471 	size = gd->bd->bi_dram[0].size;
472 #else
473 	start = gd->bd->bi_memstart;
474 	size = gd->bd->bi_memsize;
475 #endif
476 
477 	s = getenv("bootm_low");
478 	if (s)
479 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
480 	else
481 		tmp = start;
482 
483 	return size - (tmp - start);
484 }
485 
486 phys_size_t getenv_bootm_mapsize(void)
487 {
488 	phys_size_t tmp;
489 	char *s = getenv("bootm_mapsize");
490 	if (s) {
491 		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
492 		return tmp;
493 	}
494 
495 #if defined(CONFIG_SYS_BOOTMAPSZ)
496 	return CONFIG_SYS_BOOTMAPSZ;
497 #else
498 	return getenv_bootm_size();
499 #endif
500 }
501 
502 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
503 {
504 	if (to == from)
505 		return;
506 
507 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
508 	if (to > from) {
509 		from += len;
510 		to += len;
511 	}
512 	while (len > 0) {
513 		size_t tail = (len > chunksz) ? chunksz : len;
514 		WATCHDOG_RESET();
515 		if (to > from) {
516 			to -= tail;
517 			from -= tail;
518 		}
519 		memmove(to, from, tail);
520 		if (to < from) {
521 			to += tail;
522 			from += tail;
523 		}
524 		len -= tail;
525 	}
526 #else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
527 	memmove(to, from, len);
528 #endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
529 }
530 #endif /* !USE_HOSTCC */
531 
532 void genimg_print_size(uint32_t size)
533 {
534 #ifndef USE_HOSTCC
535 	printf("%d Bytes = ", size);
536 	print_size(size, "\n");
537 #else
538 	printf("%d Bytes = %.2f kB = %.2f MB\n",
539 			size, (double)size / 1.024e3,
540 			(double)size / 1.048576e6);
541 #endif
542 }
543 
544 #if IMAGE_ENABLE_TIMESTAMP
545 void genimg_print_time(time_t timestamp)
546 {
547 #ifndef USE_HOSTCC
548 	struct rtc_time tm;
549 
550 	rtc_to_tm(timestamp, &tm);
551 	printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
552 			tm.tm_year, tm.tm_mon, tm.tm_mday,
553 			tm.tm_hour, tm.tm_min, tm.tm_sec);
554 #else
555 	printf("%s", ctime(&timestamp));
556 #endif
557 }
558 #endif
559 
560 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
561 {
562 	for (; table->id >= 0; ++table) {
563 		if (table->id == id)
564 			return table;
565 	}
566 	return NULL;
567 }
568 
569 /**
570  * get_table_entry_name - translate entry id to long name
571  * @table: pointer to a translation table for entries of a specific type
572  * @msg: message to be returned when translation fails
573  * @id: entry id to be translated
574  *
575  * get_table_entry_name() will go over translation table trying to find
576  * entry that matches given id. If matching entry is found, its long
577  * name is returned to the caller.
578  *
579  * returns:
580  *     long entry name if translation succeeds
581  *     msg otherwise
582  */
583 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
584 {
585 	table = get_table_entry(table, id);
586 	if (!table)
587 		return msg;
588 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
589 	return table->lname;
590 #else
591 	return table->lname + gd->reloc_off;
592 #endif
593 }
594 
595 const char *genimg_get_os_name(uint8_t os)
596 {
597 	return (get_table_entry_name(uimage_os, "Unknown OS", os));
598 }
599 
600 const char *genimg_get_arch_name(uint8_t arch)
601 {
602 	return (get_table_entry_name(uimage_arch, "Unknown Architecture",
603 					arch));
604 }
605 
606 const char *genimg_get_type_name(uint8_t type)
607 {
608 	return (get_table_entry_name(uimage_type, "Unknown Image", type));
609 }
610 
611 const char *genimg_get_type_short_name(uint8_t type)
612 {
613 	const table_entry_t *table;
614 
615 	table = get_table_entry(uimage_type, type);
616 	if (!table)
617 		return "unknown";
618 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
619 	return table->sname;
620 #else
621 	return table->sname + gd->reloc_off;
622 #endif
623 }
624 
625 const char *genimg_get_comp_name(uint8_t comp)
626 {
627 	return (get_table_entry_name(uimage_comp, "Unknown Compression",
628 					comp));
629 }
630 
631 /**
632  * get_table_entry_id - translate short entry name to id
633  * @table: pointer to a translation table for entries of a specific type
634  * @table_name: to be used in case of error
635  * @name: entry short name to be translated
636  *
637  * get_table_entry_id() will go over translation table trying to find
638  * entry that matches given short name. If matching entry is found,
639  * its id returned to the caller.
640  *
641  * returns:
642  *     entry id if translation succeeds
643  *     -1 otherwise
644  */
645 int get_table_entry_id(const table_entry_t *table,
646 		const char *table_name, const char *name)
647 {
648 	const table_entry_t *t;
649 
650 	for (t = table; t->id >= 0; ++t) {
651 #ifdef CONFIG_NEEDS_MANUAL_RELOC
652 		if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
653 #else
654 		if (t->sname && strcasecmp(t->sname, name) == 0)
655 #endif
656 			return (t->id);
657 	}
658 	debug("Invalid %s Type: %s\n", table_name, name);
659 
660 	return -1;
661 }
662 
663 int genimg_get_os_id(const char *name)
664 {
665 	return (get_table_entry_id(uimage_os, "OS", name));
666 }
667 
668 int genimg_get_arch_id(const char *name)
669 {
670 	return (get_table_entry_id(uimage_arch, "CPU", name));
671 }
672 
673 int genimg_get_type_id(const char *name)
674 {
675 	return (get_table_entry_id(uimage_type, "Image", name));
676 }
677 
678 int genimg_get_comp_id(const char *name)
679 {
680 	return (get_table_entry_id(uimage_comp, "Compression", name));
681 }
682 
683 #ifndef USE_HOSTCC
684 /**
685  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
686  *                              FIT strings
687  * @img_addr: a string might contain real image address
688  * @fit_uname_config: double pointer to a char, will hold pointer to a
689  *                    configuration unit name
690  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
691  *                    name
692  *
693  * genimg_get_kernel_addr_fit get the real kernel start address from a string
694  * which is normally the first argv of bootm/bootz
695  *
696  * returns:
697  *     kernel start address
698  */
699 ulong genimg_get_kernel_addr_fit(char * const img_addr,
700 			     const char **fit_uname_config,
701 			     const char **fit_uname_kernel)
702 {
703 	ulong kernel_addr;
704 
705 	/* find out kernel image address */
706 	if (!img_addr) {
707 		kernel_addr = load_addr;
708 		debug("*  kernel: default image load address = 0x%08lx\n",
709 		      load_addr);
710 #if defined(CONFIG_FIT)
711 	} else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
712 				  fit_uname_config)) {
713 		debug("*  kernel: config '%s' from image at 0x%08lx\n",
714 		      *fit_uname_config, kernel_addr);
715 	} else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
716 				     fit_uname_kernel)) {
717 		debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
718 		      *fit_uname_kernel, kernel_addr);
719 #endif
720 	} else {
721 		kernel_addr = simple_strtoul(img_addr, NULL, 16);
722 		debug("*  kernel: cmdline image address = 0x%08lx\n",
723 		      kernel_addr);
724 	}
725 
726 	return kernel_addr;
727 }
728 
729 /**
730  * genimg_get_kernel_addr() is the simple version of
731  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
732  */
733 ulong genimg_get_kernel_addr(char * const img_addr)
734 {
735 	const char *fit_uname_config = NULL;
736 	const char *fit_uname_kernel = NULL;
737 
738 	return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
739 					  &fit_uname_kernel);
740 }
741 
742 /**
743  * genimg_get_format - get image format type
744  * @img_addr: image start address
745  *
746  * genimg_get_format() checks whether provided address points to a valid
747  * legacy or FIT image.
748  *
749  * New uImage format and FDT blob are based on a libfdt. FDT blob
750  * may be passed directly or embedded in a FIT image. In both situations
751  * genimg_get_format() must be able to dectect libfdt header.
752  *
753  * returns:
754  *     image format type or IMAGE_FORMAT_INVALID if no image is present
755  */
756 int genimg_get_format(const void *img_addr)
757 {
758 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
759 	const image_header_t *hdr;
760 
761 	hdr = (const image_header_t *)img_addr;
762 	if (image_check_magic(hdr))
763 		return IMAGE_FORMAT_LEGACY;
764 #endif
765 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
766 	if (fdt_check_header(img_addr) == 0)
767 		return IMAGE_FORMAT_FIT;
768 #endif
769 #ifdef CONFIG_ANDROID_BOOT_IMAGE
770 	if (android_image_check_header(img_addr) == 0)
771 		return IMAGE_FORMAT_ANDROID;
772 #endif
773 
774 	return IMAGE_FORMAT_INVALID;
775 }
776 
777 /**
778  * genimg_get_image - get image from special storage (if necessary)
779  * @img_addr: image start address
780  *
781  * genimg_get_image() checks if provided image start address is located
782  * in a dataflash storage. If so, image is moved to a system RAM memory.
783  *
784  * returns:
785  *     image start address after possible relocation from special storage
786  */
787 ulong genimg_get_image(ulong img_addr)
788 {
789 	ulong ram_addr = img_addr;
790 
791 #ifdef CONFIG_HAS_DATAFLASH
792 	ulong h_size, d_size;
793 
794 	if (addr_dataflash(img_addr)) {
795 		void *buf;
796 
797 		/* ger RAM address */
798 		ram_addr = CONFIG_SYS_LOAD_ADDR;
799 
800 		/* get header size */
801 		h_size = image_get_header_size();
802 #if defined(CONFIG_FIT)
803 		if (sizeof(struct fdt_header) > h_size)
804 			h_size = sizeof(struct fdt_header);
805 #endif
806 
807 		/* read in header */
808 		debug("   Reading image header from dataflash address "
809 			"%08lx to RAM address %08lx\n", img_addr, ram_addr);
810 
811 		buf = map_sysmem(ram_addr, 0);
812 		read_dataflash(img_addr, h_size, buf);
813 
814 		/* get data size */
815 		switch (genimg_get_format(buf)) {
816 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
817 		case IMAGE_FORMAT_LEGACY:
818 			d_size = image_get_data_size(buf);
819 			debug("   Legacy format image found at 0x%08lx, "
820 					"size 0x%08lx\n",
821 					ram_addr, d_size);
822 			break;
823 #endif
824 #if defined(CONFIG_FIT)
825 		case IMAGE_FORMAT_FIT:
826 			d_size = fit_get_size(buf) - h_size;
827 			debug("   FIT/FDT format image found at 0x%08lx, "
828 					"size 0x%08lx\n",
829 					ram_addr, d_size);
830 			break;
831 #endif
832 		default:
833 			printf("   No valid image found at 0x%08lx\n",
834 				img_addr);
835 			return ram_addr;
836 		}
837 
838 		/* read in image data */
839 		debug("   Reading image remaining data from dataflash address "
840 			"%08lx to RAM address %08lx\n", img_addr + h_size,
841 			ram_addr + h_size);
842 
843 		read_dataflash(img_addr + h_size, d_size,
844 				(char *)(buf + h_size));
845 
846 	}
847 #endif /* CONFIG_HAS_DATAFLASH */
848 
849 	return ram_addr;
850 }
851 
852 /**
853  * fit_has_config - check if there is a valid FIT configuration
854  * @images: pointer to the bootm command headers structure
855  *
856  * fit_has_config() checks if there is a FIT configuration in use
857  * (if FTI support is present).
858  *
859  * returns:
860  *     0, no FIT support or no configuration found
861  *     1, configuration found
862  */
863 int genimg_has_config(bootm_headers_t *images)
864 {
865 #if defined(CONFIG_FIT)
866 	if (images->fit_uname_cfg)
867 		return 1;
868 #endif
869 	return 0;
870 }
871 
872 /**
873  * boot_get_ramdisk - main ramdisk handling routine
874  * @argc: command argument count
875  * @argv: command argument list
876  * @images: pointer to the bootm images structure
877  * @arch: expected ramdisk architecture
878  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
879  * @rd_end: pointer to a ulong variable, will hold ramdisk end
880  *
881  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
882  * Curently supported are the following ramdisk sources:
883  *      - multicomponent kernel/ramdisk image,
884  *      - commandline provided address of decicated ramdisk image.
885  *
886  * returns:
887  *     0, if ramdisk image was found and valid, or skiped
888  *     rd_start and rd_end are set to ramdisk start/end addresses if
889  *     ramdisk image is found and valid
890  *
891  *     1, if ramdisk image is found but corrupted, or invalid
892  *     rd_start and rd_end are set to 0 if no ramdisk exists
893  */
894 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
895 		uint8_t arch, ulong *rd_start, ulong *rd_end)
896 {
897 	ulong rd_addr, rd_load;
898 	ulong rd_data, rd_len;
899 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
900 	const image_header_t *rd_hdr;
901 #endif
902 	void *buf;
903 #ifdef CONFIG_SUPPORT_RAW_INITRD
904 	char *end;
905 #endif
906 #if defined(CONFIG_FIT)
907 	const char	*fit_uname_config = images->fit_uname_cfg;
908 	const char	*fit_uname_ramdisk = NULL;
909 	ulong		default_addr;
910 	int		rd_noffset;
911 #endif
912 	const char *select = NULL;
913 
914 	*rd_start = 0;
915 	*rd_end = 0;
916 
917 #ifdef CONFIG_ANDROID_BOOT_IMAGE
918 	/*
919 	 * Look for an Android boot image.
920 	 */
921 	buf = map_sysmem(images->os.start, 0);
922 	if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
923 		select = argv[0];
924 #endif
925 
926 	if (argc >= 2)
927 		select = argv[1];
928 
929 	/*
930 	 * Look for a '-' which indicates to ignore the
931 	 * ramdisk argument
932 	 */
933 	if (select && strcmp(select, "-") ==  0) {
934 		debug("## Skipping init Ramdisk\n");
935 		rd_len = rd_data = 0;
936 	} else if (select || genimg_has_config(images)) {
937 #if defined(CONFIG_FIT)
938 		if (select) {
939 			/*
940 			 * If the init ramdisk comes from the FIT image and
941 			 * the FIT image address is omitted in the command
942 			 * line argument, try to use os FIT image address or
943 			 * default load address.
944 			 */
945 			if (images->fit_uname_os)
946 				default_addr = (ulong)images->fit_hdr_os;
947 			else
948 				default_addr = load_addr;
949 
950 			if (fit_parse_conf(select, default_addr,
951 					   &rd_addr, &fit_uname_config)) {
952 				debug("*  ramdisk: config '%s' from image at "
953 						"0x%08lx\n",
954 						fit_uname_config, rd_addr);
955 			} else if (fit_parse_subimage(select, default_addr,
956 						&rd_addr, &fit_uname_ramdisk)) {
957 				debug("*  ramdisk: subimage '%s' from image at "
958 						"0x%08lx\n",
959 						fit_uname_ramdisk, rd_addr);
960 			} else
961 #endif
962 			{
963 				rd_addr = simple_strtoul(select, NULL, 16);
964 				debug("*  ramdisk: cmdline image address = "
965 						"0x%08lx\n",
966 						rd_addr);
967 			}
968 #if defined(CONFIG_FIT)
969 		} else {
970 			/* use FIT configuration provided in first bootm
971 			 * command argument. If the property is not defined,
972 			 * quit silently.
973 			 */
974 			rd_addr = map_to_sysmem(images->fit_hdr_os);
975 			rd_noffset = fit_get_node_from_config(images,
976 					FIT_RAMDISK_PROP, rd_addr);
977 			if (rd_noffset == -ENOLINK)
978 				return 0;
979 			else if (rd_noffset < 0)
980 				return 1;
981 		}
982 #endif
983 
984 		/* copy from dataflash if needed */
985 		rd_addr = genimg_get_image(rd_addr);
986 
987 		/*
988 		 * Check if there is an initrd image at the
989 		 * address provided in the second bootm argument
990 		 * check image type, for FIT images get FIT node.
991 		 */
992 		buf = map_sysmem(rd_addr, 0);
993 		switch (genimg_get_format(buf)) {
994 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
995 		case IMAGE_FORMAT_LEGACY:
996 			printf("## Loading init Ramdisk from Legacy "
997 					"Image at %08lx ...\n", rd_addr);
998 
999 			bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1000 			rd_hdr = image_get_ramdisk(rd_addr, arch,
1001 							images->verify);
1002 
1003 			if (rd_hdr == NULL)
1004 				return 1;
1005 
1006 			rd_data = image_get_data(rd_hdr);
1007 			rd_len = image_get_data_size(rd_hdr);
1008 			rd_load = image_get_load(rd_hdr);
1009 			break;
1010 #endif
1011 #if defined(CONFIG_FIT)
1012 		case IMAGE_FORMAT_FIT:
1013 			rd_noffset = fit_image_load(images,
1014 					rd_addr, &fit_uname_ramdisk,
1015 					&fit_uname_config, arch,
1016 					IH_TYPE_RAMDISK,
1017 					BOOTSTAGE_ID_FIT_RD_START,
1018 					FIT_LOAD_OPTIONAL_NON_ZERO,
1019 					&rd_data, &rd_len);
1020 			if (rd_noffset < 0)
1021 				return 1;
1022 
1023 			images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1024 			images->fit_uname_rd = fit_uname_ramdisk;
1025 			images->fit_noffset_rd = rd_noffset;
1026 			break;
1027 #endif
1028 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1029 		case IMAGE_FORMAT_ANDROID:
1030 			android_image_get_ramdisk((void *)images->os.start,
1031 				&rd_data, &rd_len);
1032 			break;
1033 #endif
1034 		default:
1035 #ifdef CONFIG_SUPPORT_RAW_INITRD
1036 			end = NULL;
1037 			if (select)
1038 				end = strchr(select, ':');
1039 			if (end) {
1040 				rd_len = simple_strtoul(++end, NULL, 16);
1041 				rd_data = rd_addr;
1042 			} else
1043 #endif
1044 			{
1045 				puts("Wrong Ramdisk Image Format\n");
1046 				rd_data = rd_len = rd_load = 0;
1047 				return 1;
1048 			}
1049 		}
1050 	} else if (images->legacy_hdr_valid &&
1051 			image_check_type(&images->legacy_hdr_os_copy,
1052 						IH_TYPE_MULTI)) {
1053 
1054 		/*
1055 		 * Now check if we have a legacy mult-component image,
1056 		 * get second entry data start address and len.
1057 		 */
1058 		bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1059 		printf("## Loading init Ramdisk from multi component "
1060 				"Legacy Image at %08lx ...\n",
1061 				(ulong)images->legacy_hdr_os);
1062 
1063 		image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1064 	} else {
1065 		/*
1066 		 * no initrd image
1067 		 */
1068 		bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1069 		rd_len = rd_data = 0;
1070 	}
1071 
1072 	if (!rd_data) {
1073 		debug("## No init Ramdisk\n");
1074 	} else {
1075 		*rd_start = rd_data;
1076 		*rd_end = rd_data + rd_len;
1077 	}
1078 	debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1079 			*rd_start, *rd_end);
1080 
1081 	return 0;
1082 }
1083 
1084 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1085 /**
1086  * boot_ramdisk_high - relocate init ramdisk
1087  * @lmb: pointer to lmb handle, will be used for memory mgmt
1088  * @rd_data: ramdisk data start address
1089  * @rd_len: ramdisk data length
1090  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1091  *      start address (after possible relocation)
1092  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1093  *      end address (after possible relocation)
1094  *
1095  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1096  * variable and if requested ramdisk data is moved to a specified location.
1097  *
1098  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1099  * start/end addresses if ramdisk image start and len were provided,
1100  * otherwise set initrd_start and initrd_end set to zeros.
1101  *
1102  * returns:
1103  *      0 - success
1104  *     -1 - failure
1105  */
1106 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1107 		  ulong *initrd_start, ulong *initrd_end)
1108 {
1109 	char	*s;
1110 	ulong	initrd_high;
1111 	int	initrd_copy_to_ram = 1;
1112 
1113 	if ((s = getenv("initrd_high")) != NULL) {
1114 		/* a value of "no" or a similar string will act like 0,
1115 		 * turning the "load high" feature off. This is intentional.
1116 		 */
1117 		initrd_high = simple_strtoul(s, NULL, 16);
1118 		if (initrd_high == ~0)
1119 			initrd_copy_to_ram = 0;
1120 	} else {
1121 		initrd_high = getenv_bootm_mapsize() + getenv_bootm_low();
1122 	}
1123 
1124 
1125 #ifdef CONFIG_LOGBUFFER
1126 	/* Prevent initrd from overwriting logbuffer */
1127 	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1128 #endif
1129 
1130 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1131 			initrd_high, initrd_copy_to_ram);
1132 
1133 	if (rd_data) {
1134 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
1135 			debug("   in-place initrd\n");
1136 			*initrd_start = rd_data;
1137 			*initrd_end = rd_data + rd_len;
1138 			lmb_reserve(lmb, rd_data, rd_len);
1139 		} else {
1140 			if (initrd_high)
1141 				*initrd_start = (ulong)lmb_alloc_base(lmb,
1142 						rd_len, 0x1000, initrd_high);
1143 			else
1144 				*initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1145 								 0x1000);
1146 
1147 			if (*initrd_start == 0) {
1148 				puts("ramdisk - allocation error\n");
1149 				goto error;
1150 			}
1151 			bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1152 
1153 			*initrd_end = *initrd_start + rd_len;
1154 			printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1155 					*initrd_start, *initrd_end);
1156 
1157 			memmove_wd((void *)*initrd_start,
1158 					(void *)rd_data, rd_len, CHUNKSZ);
1159 
1160 #ifdef CONFIG_MP
1161 			/*
1162 			 * Ensure the image is flushed to memory to handle
1163 			 * AMP boot scenarios in which we might not be
1164 			 * HW cache coherent
1165 			 */
1166 			flush_cache((unsigned long)*initrd_start, rd_len);
1167 #endif
1168 			puts("OK\n");
1169 		}
1170 	} else {
1171 		*initrd_start = 0;
1172 		*initrd_end = 0;
1173 	}
1174 	debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1175 			*initrd_start, *initrd_end);
1176 
1177 	return 0;
1178 
1179 error:
1180 	return -1;
1181 }
1182 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1183 
1184 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1185 		   ulong *setup_start, ulong *setup_len)
1186 {
1187 #if defined(CONFIG_FIT)
1188 	return boot_get_setup_fit(images, arch, setup_start, setup_len);
1189 #else
1190 	return -ENOENT;
1191 #endif
1192 }
1193 
1194 #if defined(CONFIG_FIT)
1195 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1196 		uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1197 {
1198 	/*
1199 	 * These variables are used to hold the current image location
1200 	 * in system memory.
1201 	 */
1202 	ulong tmp_img_addr;
1203 	/*
1204 	 * These two variables are requirements for fit_image_load, but
1205 	 * their values are not used
1206 	 */
1207 	ulong img_data, img_len;
1208 	void *buf;
1209 	int loadables_index;
1210 	int conf_noffset;
1211 	int fit_img_result;
1212 	char *uname;
1213 
1214 	/* Check to see if the images struct has a FIT configuration */
1215 	if (!genimg_has_config(images)) {
1216 		debug("## FIT configuration was not specified\n");
1217 		return 0;
1218 	}
1219 
1220 	/*
1221 	 * Obtain the os FIT header from the images struct
1222 	 * copy from dataflash if needed
1223 	 */
1224 	tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1225 	tmp_img_addr = genimg_get_image(tmp_img_addr);
1226 	buf = map_sysmem(tmp_img_addr, 0);
1227 	/*
1228 	 * Check image type. For FIT images get FIT node
1229 	 * and attempt to locate a generic binary.
1230 	 */
1231 	switch (genimg_get_format(buf)) {
1232 	case IMAGE_FORMAT_FIT:
1233 		conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1234 
1235 		for (loadables_index = 0;
1236 		     fdt_get_string_index(buf, conf_noffset,
1237 				FIT_LOADABLE_PROP,
1238 				loadables_index,
1239 				(const char **)&uname) == 0;
1240 		     loadables_index++)
1241 		{
1242 			fit_img_result = fit_image_load(images,
1243 				tmp_img_addr,
1244 				(const char **)&uname,
1245 				&(images->fit_uname_cfg), arch,
1246 				IH_TYPE_LOADABLE,
1247 				BOOTSTAGE_ID_FIT_LOADABLE_START,
1248 				FIT_LOAD_OPTIONAL_NON_ZERO,
1249 				&img_data, &img_len);
1250 			if (fit_img_result < 0) {
1251 				/* Something went wrong! */
1252 				return fit_img_result;
1253 			}
1254 		}
1255 		break;
1256 	default:
1257 		printf("The given image format is not supported (corrupt?)\n");
1258 		return 1;
1259 	}
1260 
1261 	return 0;
1262 }
1263 #endif
1264 
1265 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1266 /**
1267  * boot_get_cmdline - allocate and initialize kernel cmdline
1268  * @lmb: pointer to lmb handle, will be used for memory mgmt
1269  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1270  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1271  *
1272  * boot_get_cmdline() allocates space for kernel command line below
1273  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-Boot environemnt
1274  * variable is present its contents is copied to allocated kernel
1275  * command line.
1276  *
1277  * returns:
1278  *      0 - success
1279  *     -1 - failure
1280  */
1281 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1282 {
1283 	char *cmdline;
1284 	char *s;
1285 
1286 	cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1287 				getenv_bootm_mapsize() + getenv_bootm_low());
1288 
1289 	if (cmdline == NULL)
1290 		return -1;
1291 
1292 	if ((s = getenv("bootargs")) == NULL)
1293 		s = "";
1294 
1295 	strcpy(cmdline, s);
1296 
1297 	*cmd_start = (ulong) & cmdline[0];
1298 	*cmd_end = *cmd_start + strlen(cmdline);
1299 
1300 	debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1301 
1302 	return 0;
1303 }
1304 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1305 
1306 #ifdef CONFIG_SYS_BOOT_GET_KBD
1307 /**
1308  * boot_get_kbd - allocate and initialize kernel copy of board info
1309  * @lmb: pointer to lmb handle, will be used for memory mgmt
1310  * @kbd: double pointer to board info data
1311  *
1312  * boot_get_kbd() allocates space for kernel copy of board info data below
1313  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1314  * with the current u-boot board info data.
1315  *
1316  * returns:
1317  *      0 - success
1318  *     -1 - failure
1319  */
1320 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1321 {
1322 	*kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1323 				getenv_bootm_mapsize() + getenv_bootm_low());
1324 	if (*kbd == NULL)
1325 		return -1;
1326 
1327 	**kbd = *(gd->bd);
1328 
1329 	debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1330 
1331 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1332 	do_bdinfo(NULL, 0, 0, NULL);
1333 #endif
1334 
1335 	return 0;
1336 }
1337 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1338 
1339 #ifdef CONFIG_LMB
1340 int image_setup_linux(bootm_headers_t *images)
1341 {
1342 	ulong of_size = images->ft_len;
1343 	char **of_flat_tree = &images->ft_addr;
1344 	ulong *initrd_start = &images->initrd_start;
1345 	ulong *initrd_end = &images->initrd_end;
1346 	struct lmb *lmb = &images->lmb;
1347 	ulong rd_len;
1348 	int ret;
1349 
1350 	if (IMAGE_ENABLE_OF_LIBFDT)
1351 		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1352 
1353 	if (IMAGE_BOOT_GET_CMDLINE) {
1354 		ret = boot_get_cmdline(lmb, &images->cmdline_start,
1355 				&images->cmdline_end);
1356 		if (ret) {
1357 			puts("ERROR with allocation of cmdline\n");
1358 			return ret;
1359 		}
1360 	}
1361 	if (IMAGE_ENABLE_RAMDISK_HIGH) {
1362 		rd_len = images->rd_end - images->rd_start;
1363 		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1364 				initrd_start, initrd_end);
1365 		if (ret)
1366 			return ret;
1367 	}
1368 
1369 	if (IMAGE_ENABLE_OF_LIBFDT) {
1370 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1371 		if (ret)
1372 			return ret;
1373 	}
1374 
1375 	if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1376 		ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1377 		if (ret)
1378 			return ret;
1379 	}
1380 
1381 	return 0;
1382 }
1383 #endif /* CONFIG_LMB */
1384 #endif /* !USE_HOSTCC */
1385