xref: /openbmc/u-boot/include/image.h (revision 0645c23a)
1 /*
2  * (C) Copyright 2008 Semihalf
3  *
4  * (C) Copyright 2000-2005
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  ********************************************************************
9  * NOTE: This header file defines an interface to U-Boot. Including
10  * this (unmodified) header file in another file is considered normal
11  * use of U-Boot, and does *not* fall under the heading of "derived
12  * work".
13  ********************************************************************
14  */
15 
16 #ifndef __IMAGE_H__
17 #define __IMAGE_H__
18 
19 #include "compiler.h"
20 #include <asm/byteorder.h>
21 
22 /* Define this to avoid #ifdefs later on */
23 struct lmb;
24 
25 #ifdef USE_HOSTCC
26 #include <sys/types.h>
27 
28 /* new uImage format support enabled on host */
29 #define IMAGE_ENABLE_FIT	1
30 #define IMAGE_ENABLE_OF_LIBFDT	1
31 #define CONFIG_FIT_VERBOSE	1 /* enable fit_format_{error,warning}() */
32 
33 #define IMAGE_ENABLE_IGNORE	0
34 #define IMAGE_INDENT_STRING	""
35 
36 #else
37 
38 #include <lmb.h>
39 #include <asm/u-boot.h>
40 #include <command.h>
41 
42 /* Take notice of the 'ignore' property for hashes */
43 #define IMAGE_ENABLE_IGNORE	1
44 #define IMAGE_INDENT_STRING	"   "
45 
46 #define IMAGE_ENABLE_FIT	CONFIG_IS_ENABLED(FIT)
47 #define IMAGE_ENABLE_OF_LIBFDT	CONFIG_IS_ENABLED(OF_LIBFDT)
48 
49 #endif /* USE_HOSTCC */
50 
51 #if IMAGE_ENABLE_FIT
52 #include <hash.h>
53 #include <libfdt.h>
54 #include <fdt_support.h>
55 # ifdef CONFIG_SPL_BUILD
56 #  ifdef CONFIG_SPL_CRC32_SUPPORT
57 #   define IMAGE_ENABLE_CRC32	1
58 #  endif
59 #  ifdef CONFIG_SPL_MD5_SUPPORT
60 #   define IMAGE_ENABLE_MD5	1
61 #  endif
62 #  ifdef CONFIG_SPL_SHA1_SUPPORT
63 #   define IMAGE_ENABLE_SHA1	1
64 #  endif
65 #  ifdef CONFIG_SPL_SHA256_SUPPORT
66 #   define IMAGE_ENABLE_SHA256	1
67 #  endif
68 # else
69 #  define CONFIG_CRC32		/* FIT images need CRC32 support */
70 #  define CONFIG_SHA1		/* and SHA1 */
71 #  define CONFIG_SHA256		/* and SHA256 */
72 #  define IMAGE_ENABLE_CRC32	1
73 #  define IMAGE_ENABLE_MD5	1
74 #  define IMAGE_ENABLE_SHA1	1
75 #  define IMAGE_ENABLE_SHA256	1
76 # endif
77 
78 #ifdef CONFIG_FIT_DISABLE_SHA256
79 #undef CONFIG_SHA256
80 #undef IMAGE_ENABLE_SHA256
81 #endif
82 
83 #ifndef IMAGE_ENABLE_CRC32
84 #define IMAGE_ENABLE_CRC32	0
85 #endif
86 
87 #ifndef IMAGE_ENABLE_MD5
88 #define IMAGE_ENABLE_MD5	0
89 #endif
90 
91 #ifndef IMAGE_ENABLE_SHA1
92 #define IMAGE_ENABLE_SHA1	0
93 #endif
94 
95 #ifndef IMAGE_ENABLE_SHA256
96 #define IMAGE_ENABLE_SHA256	0
97 #endif
98 
99 #endif /* IMAGE_ENABLE_FIT */
100 
101 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
102 # define IMAGE_BOOT_GET_CMDLINE		1
103 #else
104 # define IMAGE_BOOT_GET_CMDLINE		0
105 #endif
106 
107 #ifdef CONFIG_OF_BOARD_SETUP
108 # define IMAGE_OF_BOARD_SETUP		1
109 #else
110 # define IMAGE_OF_BOARD_SETUP		0
111 #endif
112 
113 #ifdef CONFIG_OF_SYSTEM_SETUP
114 # define IMAGE_OF_SYSTEM_SETUP	1
115 #else
116 # define IMAGE_OF_SYSTEM_SETUP	0
117 #endif
118 
119 enum ih_category {
120 	IH_ARCH,
121 	IH_COMP,
122 	IH_OS,
123 	IH_TYPE,
124 
125 	IH_COUNT,
126 };
127 
128 /*
129  * Operating System Codes
130  *
131  * The following are exposed to uImage header.
132  * Do not change values for backward compatibility.
133  */
134 enum {
135 	IH_OS_INVALID		= 0,	/* Invalid OS	*/
136 	IH_OS_OPENBSD,			/* OpenBSD	*/
137 	IH_OS_NETBSD,			/* NetBSD	*/
138 	IH_OS_FREEBSD,			/* FreeBSD	*/
139 	IH_OS_4_4BSD,			/* 4.4BSD	*/
140 	IH_OS_LINUX,			/* Linux	*/
141 	IH_OS_SVR4,			/* SVR4		*/
142 	IH_OS_ESIX,			/* Esix		*/
143 	IH_OS_SOLARIS,			/* Solaris	*/
144 	IH_OS_IRIX,			/* Irix		*/
145 	IH_OS_SCO,			/* SCO		*/
146 	IH_OS_DELL,			/* Dell		*/
147 	IH_OS_NCR,			/* NCR		*/
148 	IH_OS_LYNXOS,			/* LynxOS	*/
149 	IH_OS_VXWORKS,			/* VxWorks	*/
150 	IH_OS_PSOS,			/* pSOS		*/
151 	IH_OS_QNX,			/* QNX		*/
152 	IH_OS_U_BOOT,			/* Firmware	*/
153 	IH_OS_RTEMS,			/* RTEMS	*/
154 	IH_OS_ARTOS,			/* ARTOS	*/
155 	IH_OS_UNITY,			/* Unity OS	*/
156 	IH_OS_INTEGRITY,		/* INTEGRITY	*/
157 	IH_OS_OSE,			/* OSE		*/
158 	IH_OS_PLAN9,			/* Plan 9	*/
159 	IH_OS_OPENRTOS,		/* OpenRTOS	*/
160 
161 	IH_OS_COUNT,
162 };
163 
164 /*
165  * CPU Architecture Codes (supported by Linux)
166  *
167  * The following are exposed to uImage header.
168  * Do not change values for backward compatibility.
169  */
170 enum {
171 	IH_ARCH_INVALID		= 0,	/* Invalid CPU	*/
172 	IH_ARCH_ALPHA,			/* Alpha	*/
173 	IH_ARCH_ARM,			/* ARM		*/
174 	IH_ARCH_I386,			/* Intel x86	*/
175 	IH_ARCH_IA64,			/* IA64		*/
176 	IH_ARCH_MIPS,			/* MIPS		*/
177 	IH_ARCH_MIPS64,			/* MIPS	 64 Bit */
178 	IH_ARCH_PPC,			/* PowerPC	*/
179 	IH_ARCH_S390,			/* IBM S390	*/
180 	IH_ARCH_SH,			/* SuperH	*/
181 	IH_ARCH_SPARC,			/* Sparc	*/
182 	IH_ARCH_SPARC64,		/* Sparc 64 Bit */
183 	IH_ARCH_M68K,			/* M68K		*/
184 	IH_ARCH_NIOS,			/* Nios-32	*/
185 	IH_ARCH_MICROBLAZE,		/* MicroBlaze   */
186 	IH_ARCH_NIOS2,			/* Nios-II	*/
187 	IH_ARCH_BLACKFIN,		/* Blackfin	*/
188 	IH_ARCH_AVR32,			/* AVR32	*/
189 	IH_ARCH_ST200,			/* STMicroelectronics ST200  */
190 	IH_ARCH_SANDBOX,		/* Sandbox architecture (test only) */
191 	IH_ARCH_NDS32,			/* ANDES Technology - NDS32  */
192 	IH_ARCH_OPENRISC,		/* OpenRISC 1000  */
193 	IH_ARCH_ARM64,			/* ARM64	*/
194 	IH_ARCH_ARC,			/* Synopsys DesignWare ARC */
195 	IH_ARCH_X86_64,			/* AMD x86_64, Intel and Via */
196 	IH_ARCH_XTENSA,			/* Xtensa	*/
197 
198 	IH_ARCH_COUNT,
199 };
200 
201 /*
202  * Image Types
203  *
204  * "Standalone Programs" are directly runnable in the environment
205  *	provided by U-Boot; it is expected that (if they behave
206  *	well) you can continue to work in U-Boot after return from
207  *	the Standalone Program.
208  * "OS Kernel Images" are usually images of some Embedded OS which
209  *	will take over control completely. Usually these programs
210  *	will install their own set of exception handlers, device
211  *	drivers, set up the MMU, etc. - this means, that you cannot
212  *	expect to re-enter U-Boot except by resetting the CPU.
213  * "RAMDisk Images" are more or less just data blocks, and their
214  *	parameters (address, size) are passed to an OS kernel that is
215  *	being started.
216  * "Multi-File Images" contain several images, typically an OS
217  *	(Linux) kernel image and one or more data images like
218  *	RAMDisks. This construct is useful for instance when you want
219  *	to boot over the network using BOOTP etc., where the boot
220  *	server provides just a single image file, but you want to get
221  *	for instance an OS kernel and a RAMDisk image.
222  *
223  *	"Multi-File Images" start with a list of image sizes, each
224  *	image size (in bytes) specified by an "uint32_t" in network
225  *	byte order. This list is terminated by an "(uint32_t)0".
226  *	Immediately after the terminating 0 follow the images, one by
227  *	one, all aligned on "uint32_t" boundaries (size rounded up to
228  *	a multiple of 4 bytes - except for the last file).
229  *
230  * "Firmware Images" are binary images containing firmware (like
231  *	U-Boot or FPGA images) which usually will be programmed to
232  *	flash memory.
233  *
234  * "Script files" are command sequences that will be executed by
235  *	U-Boot's command interpreter; this feature is especially
236  *	useful when you configure U-Boot to use a real shell (hush)
237  *	as command interpreter (=> Shell Scripts).
238  *
239  * The following are exposed to uImage header.
240  * Do not change values for backward compatibility.
241  */
242 
243 enum {
244 	IH_TYPE_INVALID		= 0,	/* Invalid Image		*/
245 	IH_TYPE_STANDALONE,		/* Standalone Program		*/
246 	IH_TYPE_KERNEL,			/* OS Kernel Image		*/
247 	IH_TYPE_RAMDISK,		/* RAMDisk Image		*/
248 	IH_TYPE_MULTI,			/* Multi-File Image		*/
249 	IH_TYPE_FIRMWARE,		/* Firmware Image		*/
250 	IH_TYPE_SCRIPT,			/* Script file			*/
251 	IH_TYPE_FILESYSTEM,		/* Filesystem Image (any type)	*/
252 	IH_TYPE_FLATDT,			/* Binary Flat Device Tree Blob	*/
253 	IH_TYPE_KWBIMAGE,		/* Kirkwood Boot Image		*/
254 	IH_TYPE_IMXIMAGE,		/* Freescale IMXBoot Image	*/
255 	IH_TYPE_UBLIMAGE,		/* Davinci UBL Image		*/
256 	IH_TYPE_OMAPIMAGE,		/* TI OMAP Config Header Image	*/
257 	IH_TYPE_AISIMAGE,		/* TI Davinci AIS Image		*/
258 	/* OS Kernel Image, can run from any load address */
259 	IH_TYPE_KERNEL_NOLOAD,
260 	IH_TYPE_PBLIMAGE,		/* Freescale PBL Boot Image	*/
261 	IH_TYPE_MXSIMAGE,		/* Freescale MXSBoot Image	*/
262 	IH_TYPE_GPIMAGE,		/* TI Keystone GPHeader Image	*/
263 	IH_TYPE_ATMELIMAGE,		/* ATMEL ROM bootable Image	*/
264 	IH_TYPE_SOCFPGAIMAGE,		/* Altera SOCFPGA Preloader	*/
265 	IH_TYPE_X86_SETUP,		/* x86 setup.bin Image		*/
266 	IH_TYPE_LPC32XXIMAGE,		/* x86 setup.bin Image		*/
267 	IH_TYPE_LOADABLE,		/* A list of typeless images	*/
268 	IH_TYPE_RKIMAGE,		/* Rockchip Boot Image		*/
269 	IH_TYPE_RKSD,			/* Rockchip SD card		*/
270 	IH_TYPE_RKSPI,			/* Rockchip SPI image		*/
271 	IH_TYPE_ZYNQIMAGE,		/* Xilinx Zynq Boot Image */
272 	IH_TYPE_ZYNQMPIMAGE,		/* Xilinx ZynqMP Boot Image */
273 	IH_TYPE_FPGA,			/* FPGA Image */
274 	IH_TYPE_VYBRIDIMAGE,	/* VYBRID .vyb Image */
275 	IH_TYPE_TEE,            /* Trusted Execution Environment OS Image */
276 	IH_TYPE_FIRMWARE_IVT,		/* Firmware Image with HABv4 IVT */
277 
278 	IH_TYPE_COUNT,			/* Number of image types */
279 };
280 
281 /*
282  * Compression Types
283  *
284  * The following are exposed to uImage header.
285  * Do not change values for backward compatibility.
286  */
287 enum {
288 	IH_COMP_NONE		= 0,	/*  No	 Compression Used	*/
289 	IH_COMP_GZIP,			/* gzip	 Compression Used	*/
290 	IH_COMP_BZIP2,			/* bzip2 Compression Used	*/
291 	IH_COMP_LZMA,			/* lzma  Compression Used	*/
292 	IH_COMP_LZO,			/* lzo   Compression Used	*/
293 	IH_COMP_LZ4,			/* lz4   Compression Used	*/
294 
295 	IH_COMP_COUNT,
296 };
297 
298 #define IH_MAGIC	0x27051956	/* Image Magic Number		*/
299 #define IH_NMLEN		32	/* Image Name Length		*/
300 
301 /* Reused from common.h */
302 #define ROUND(a, b)		(((a) + (b) - 1) & ~((b) - 1))
303 
304 /*
305  * Legacy format image header,
306  * all data in network byte order (aka natural aka bigendian).
307  */
308 typedef struct image_header {
309 	__be32		ih_magic;	/* Image Header Magic Number	*/
310 	__be32		ih_hcrc;	/* Image Header CRC Checksum	*/
311 	__be32		ih_time;	/* Image Creation Timestamp	*/
312 	__be32		ih_size;	/* Image Data Size		*/
313 	__be32		ih_load;	/* Data	 Load  Address		*/
314 	__be32		ih_ep;		/* Entry Point Address		*/
315 	__be32		ih_dcrc;	/* Image Data CRC Checksum	*/
316 	uint8_t		ih_os;		/* Operating System		*/
317 	uint8_t		ih_arch;	/* CPU architecture		*/
318 	uint8_t		ih_type;	/* Image Type			*/
319 	uint8_t		ih_comp;	/* Compression Type		*/
320 	uint8_t		ih_name[IH_NMLEN];	/* Image Name		*/
321 } image_header_t;
322 
323 typedef struct image_info {
324 	ulong		start, end;		/* start/end of blob */
325 	ulong		image_start, image_len; /* start of image within blob, len of image */
326 	ulong		load;			/* load addr for the image */
327 	uint8_t		comp, type, os;		/* compression, type of image, os type */
328 	uint8_t		arch;			/* CPU architecture */
329 } image_info_t;
330 
331 /*
332  * Legacy and FIT format headers used by do_bootm() and do_bootm_<os>()
333  * routines.
334  */
335 typedef struct bootm_headers {
336 	/*
337 	 * Legacy os image header, if it is a multi component image
338 	 * then boot_get_ramdisk() and get_fdt() will attempt to get
339 	 * data from second and third component accordingly.
340 	 */
341 	image_header_t	*legacy_hdr_os;		/* image header pointer */
342 	image_header_t	legacy_hdr_os_copy;	/* header copy */
343 	ulong		legacy_hdr_valid;
344 
345 #if IMAGE_ENABLE_FIT
346 	const char	*fit_uname_cfg;	/* configuration node unit name */
347 
348 	void		*fit_hdr_os;	/* os FIT image header */
349 	const char	*fit_uname_os;	/* os subimage node unit name */
350 	int		fit_noffset_os;	/* os subimage node offset */
351 
352 	void		*fit_hdr_rd;	/* init ramdisk FIT image header */
353 	const char	*fit_uname_rd;	/* init ramdisk subimage node unit name */
354 	int		fit_noffset_rd;	/* init ramdisk subimage node offset */
355 
356 	void		*fit_hdr_fdt;	/* FDT blob FIT image header */
357 	const char	*fit_uname_fdt;	/* FDT blob subimage node unit name */
358 	int		fit_noffset_fdt;/* FDT blob subimage node offset */
359 
360 	void		*fit_hdr_setup;	/* x86 setup FIT image header */
361 	const char	*fit_uname_setup; /* x86 setup subimage node name */
362 	int		fit_noffset_setup;/* x86 setup subimage node offset */
363 #endif
364 
365 #ifndef USE_HOSTCC
366 	image_info_t	os;		/* os image info */
367 	ulong		ep;		/* entry point of OS */
368 
369 	ulong		rd_start, rd_end;/* ramdisk start/end */
370 
371 	char		*ft_addr;	/* flat dev tree address */
372 	ulong		ft_len;		/* length of flat device tree */
373 
374 	ulong		initrd_start;
375 	ulong		initrd_end;
376 	ulong		cmdline_start;
377 	ulong		cmdline_end;
378 	bd_t		*kbd;
379 #endif
380 
381 	int		verify;		/* getenv("verify")[0] != 'n' */
382 
383 #define	BOOTM_STATE_START	(0x00000001)
384 #define	BOOTM_STATE_FINDOS	(0x00000002)
385 #define	BOOTM_STATE_FINDOTHER	(0x00000004)
386 #define	BOOTM_STATE_LOADOS	(0x00000008)
387 #define	BOOTM_STATE_RAMDISK	(0x00000010)
388 #define	BOOTM_STATE_FDT		(0x00000020)
389 #define	BOOTM_STATE_OS_CMDLINE	(0x00000040)
390 #define	BOOTM_STATE_OS_BD_T	(0x00000080)
391 #define	BOOTM_STATE_OS_PREP	(0x00000100)
392 #define	BOOTM_STATE_OS_FAKE_GO	(0x00000200)	/* 'Almost' run the OS */
393 #define	BOOTM_STATE_OS_GO	(0x00000400)
394 	int		state;
395 
396 #ifdef CONFIG_LMB
397 	struct lmb	lmb;		/* for memory mgmt */
398 #endif
399 } bootm_headers_t;
400 
401 extern bootm_headers_t images;
402 
403 /*
404  * Some systems (for example LWMON) have very short watchdog periods;
405  * we must make sure to split long operations like memmove() or
406  * checksum calculations into reasonable chunks.
407  */
408 #ifndef CHUNKSZ
409 #define CHUNKSZ (64 * 1024)
410 #endif
411 
412 #ifndef CHUNKSZ_CRC32
413 #define CHUNKSZ_CRC32 (64 * 1024)
414 #endif
415 
416 #ifndef CHUNKSZ_MD5
417 #define CHUNKSZ_MD5 (64 * 1024)
418 #endif
419 
420 #ifndef CHUNKSZ_SHA1
421 #define CHUNKSZ_SHA1 (64 * 1024)
422 #endif
423 
424 #define uimage_to_cpu(x)		be32_to_cpu(x)
425 #define cpu_to_uimage(x)		cpu_to_be32(x)
426 
427 /*
428  * Translation table for entries of a specific type; used by
429  * get_table_entry_id() and get_table_entry_name().
430  */
431 typedef struct table_entry {
432 	int	id;
433 	char	*sname;		/* short (input) name to find table entry */
434 	char	*lname;		/* long (output) name to print for messages */
435 } table_entry_t;
436 
437 /*
438  * get_table_entry_id() scans the translation table trying to find an
439  * entry that matches the given short name. If a matching entry is
440  * found, it's id is returned to the caller.
441  */
442 int get_table_entry_id(const table_entry_t *table,
443 		const char *table_name, const char *name);
444 /*
445  * get_table_entry_name() scans the translation table trying to find
446  * an entry that matches the given id. If a matching entry is found,
447  * its long name is returned to the caller.
448  */
449 char *get_table_entry_name(const table_entry_t *table, char *msg, int id);
450 
451 const char *genimg_get_os_name(uint8_t os);
452 
453 /**
454  * genimg_get_os_short_name() - get the short name for an OS
455  *
456  * @param os	OS (IH_OS_...)
457  * @return OS short name, or "unknown" if unknown
458  */
459 const char *genimg_get_os_short_name(uint8_t comp);
460 
461 const char *genimg_get_arch_name(uint8_t arch);
462 
463 /**
464  * genimg_get_arch_short_name() - get the short name for an architecture
465  *
466  * @param arch	Architecture type (IH_ARCH_...)
467  * @return architecture short name, or "unknown" if unknown
468  */
469 const char *genimg_get_arch_short_name(uint8_t arch);
470 
471 const char *genimg_get_type_name(uint8_t type);
472 
473 /**
474  * genimg_get_type_short_name() - get the short name for an image type
475  *
476  * @param type	Image type (IH_TYPE_...)
477  * @return image short name, or "unknown" if unknown
478  */
479 const char *genimg_get_type_short_name(uint8_t type);
480 
481 const char *genimg_get_comp_name(uint8_t comp);
482 
483 /**
484  * genimg_get_comp_short_name() - get the short name for a compression method
485  *
486  * @param comp	compression method (IH_COMP_...)
487  * @return compression method short name, or "unknown" if unknown
488  */
489 const char *genimg_get_comp_short_name(uint8_t comp);
490 
491 /**
492  * genimg_get_cat_name() - Get the name of an item in a category
493  *
494  * @category:	Category of item
495  * @id:		Item ID
496  * @return name of item, or "Unknown ..." if unknown
497  */
498 const char *genimg_get_cat_name(enum ih_category category, uint id);
499 
500 /**
501  * genimg_get_cat_short_name() - Get the short name of an item in a category
502  *
503  * @category:	Category of item
504  * @id:		Item ID
505  * @return short name of item, or "Unknown ..." if unknown
506  */
507 const char *genimg_get_cat_short_name(enum ih_category category, uint id);
508 
509 /**
510  * genimg_get_cat_count() - Get the number of items in a category
511  *
512  * @category:	Category to check
513  * @return the number of items in the category (IH_xxx_COUNT)
514  */
515 int genimg_get_cat_count(enum ih_category category);
516 
517 /**
518  * genimg_get_cat_desc() - Get the description of a category
519  *
520  * @return the description of a category, e.g. "architecture". This
521  * effectively converts the enum to a string.
522  */
523 const char *genimg_get_cat_desc(enum ih_category category);
524 
525 int genimg_get_os_id(const char *name);
526 int genimg_get_arch_id(const char *name);
527 int genimg_get_type_id(const char *name);
528 int genimg_get_comp_id(const char *name);
529 void genimg_print_size(uint32_t size);
530 
531 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || \
532 	defined(USE_HOSTCC)
533 #define IMAGE_ENABLE_TIMESTAMP 1
534 #else
535 #define IMAGE_ENABLE_TIMESTAMP 0
536 #endif
537 void genimg_print_time(time_t timestamp);
538 
539 /* What to do with a image load address ('load = <> 'in the FIT) */
540 enum fit_load_op {
541 	FIT_LOAD_IGNORED,	/* Ignore load address */
542 	FIT_LOAD_OPTIONAL,	/* Can be provided, but optional */
543 	FIT_LOAD_OPTIONAL_NON_ZERO,	/* Optional, a value of 0 is ignored */
544 	FIT_LOAD_REQUIRED,	/* Must be provided */
545 };
546 
547 int boot_get_setup(bootm_headers_t *images, uint8_t arch, ulong *setup_start,
548 		   ulong *setup_len);
549 
550 #ifndef USE_HOSTCC
551 /* Image format types, returned by _get_format() routine */
552 #define IMAGE_FORMAT_INVALID	0x00
553 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
554 #define IMAGE_FORMAT_LEGACY	0x01	/* legacy image_header based format */
555 #endif
556 #define IMAGE_FORMAT_FIT	0x02	/* new, libfdt based format */
557 #define IMAGE_FORMAT_ANDROID	0x03	/* Android boot image */
558 
559 ulong genimg_get_kernel_addr_fit(char * const img_addr,
560 			         const char **fit_uname_config,
561 			         const char **fit_uname_kernel);
562 ulong genimg_get_kernel_addr(char * const img_addr);
563 int genimg_get_format(const void *img_addr);
564 int genimg_has_config(bootm_headers_t *images);
565 ulong genimg_get_image(ulong img_addr);
566 
567 int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
568 		uint8_t arch, const ulong *ld_start, ulong * const ld_len);
569 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
570 		uint8_t arch, ulong *rd_start, ulong *rd_end);
571 
572 /**
573  * boot_get_loadable - routine to load a list of binaries to memory
574  * @argc: Ignored Argument
575  * @argv: Ignored Argument
576  * @images: pointer to the bootm images structure
577  * @arch: expected architecture for the image
578  * @ld_start: Ignored Argument
579  * @ld_len: Ignored Argument
580  *
581  * boot_get_loadable() will take the given FIT configuration, and look
582  * for a field named "loadables".  Loadables, is a list of elements in
583  * the FIT given as strings.  exe:
584  *   loadables = "linux_kernel@1", "fdt@2";
585  * this function will attempt to parse each string, and load the
586  * corresponding element from the FIT into memory.  Once placed,
587  * no aditional actions are taken.
588  *
589  * @return:
590  *     0, if only valid images or no images are found
591  *     error code, if an error occurs during fit_image_load
592  */
593 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
594 		uint8_t arch, const ulong *ld_start, ulong * const ld_len);
595 #endif /* !USE_HOSTCC */
596 
597 int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
598 		       ulong *setup_start, ulong *setup_len);
599 
600 /**
601  * fit_image_load() - load an image from a FIT
602  *
603  * This deals with all aspects of loading an image from a FIT, including
604  * selecting the right image based on configuration, verifying it, printing
605  * out progress messages, checking the type/arch/os and optionally copying it
606  * to the right load address.
607  *
608  * The property to look up is defined by image_type.
609  *
610  * @param images	Boot images structure
611  * @param addr		Address of FIT in memory
612  * @param fit_unamep	On entry this is the requested image name
613  *			(e.g. "kernel@1") or NULL to use the default. On exit
614  *			points to the selected image name
615  * @param fit_uname_configp	On entry this is the requested configuration
616  *			name (e.g. "conf@1") or NULL to use the default. On
617  *			exit points to the selected configuration name.
618  * @param arch		Expected architecture (IH_ARCH_...)
619  * @param image_type	Required image type (IH_TYPE_...). If this is
620  *			IH_TYPE_KERNEL then we allow IH_TYPE_KERNEL_NOLOAD
621  *			also.
622  * @param bootstage_id	ID of starting bootstage to use for progress updates.
623  *			This will be added to the BOOTSTAGE_SUB values when
624  *			calling bootstage_mark()
625  * @param load_op	Decribes what to do with the load address
626  * @param datap		Returns address of loaded image
627  * @param lenp		Returns length of loaded image
628  * @return node offset of image, or -ve error code on error
629  */
630 int fit_image_load(bootm_headers_t *images, ulong addr,
631 		   const char **fit_unamep, const char **fit_uname_configp,
632 		   int arch, int image_type, int bootstage_id,
633 		   enum fit_load_op load_op, ulong *datap, ulong *lenp);
634 
635 #ifndef USE_HOSTCC
636 /**
637  * fit_get_node_from_config() - Look up an image a FIT by type
638  *
639  * This looks in the selected conf@ node (images->fit_uname_cfg) for a
640  * particular image type (e.g. "kernel") and then finds the image that is
641  * referred to.
642  *
643  * For example, for something like:
644  *
645  * images {
646  *	kernel@1 {
647  *		...
648  *	};
649  * };
650  * configurations {
651  *	conf@1 {
652  *		kernel = "kernel@1";
653  *	};
654  * };
655  *
656  * the function will return the node offset of the kernel@1 node, assuming
657  * that conf@1 is the chosen configuration.
658  *
659  * @param images	Boot images structure
660  * @param prop_name	Property name to look up (FIT_..._PROP)
661  * @param addr		Address of FIT in memory
662  */
663 int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
664 			ulong addr);
665 
666 int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
667 		 bootm_headers_t *images,
668 		 char **of_flat_tree, ulong *of_size);
669 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob);
670 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size);
671 
672 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
673 		  ulong *initrd_start, ulong *initrd_end);
674 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end);
675 #ifdef CONFIG_SYS_BOOT_GET_KBD
676 int boot_get_kbd(struct lmb *lmb, bd_t **kbd);
677 #endif /* CONFIG_SYS_BOOT_GET_KBD */
678 #endif /* !USE_HOSTCC */
679 
680 /*******************************************************************/
681 /* Legacy format specific code (prefixed with image_) */
682 /*******************************************************************/
683 static inline uint32_t image_get_header_size(void)
684 {
685 	return (sizeof(image_header_t));
686 }
687 
688 #define image_get_hdr_l(f) \
689 	static inline uint32_t image_get_##f(const image_header_t *hdr) \
690 	{ \
691 		return uimage_to_cpu(hdr->ih_##f); \
692 	}
693 image_get_hdr_l(magic)		/* image_get_magic */
694 image_get_hdr_l(hcrc)		/* image_get_hcrc */
695 image_get_hdr_l(time)		/* image_get_time */
696 image_get_hdr_l(size)		/* image_get_size */
697 image_get_hdr_l(load)		/* image_get_load */
698 image_get_hdr_l(ep)		/* image_get_ep */
699 image_get_hdr_l(dcrc)		/* image_get_dcrc */
700 
701 #define image_get_hdr_b(f) \
702 	static inline uint8_t image_get_##f(const image_header_t *hdr) \
703 	{ \
704 		return hdr->ih_##f; \
705 	}
706 image_get_hdr_b(os)		/* image_get_os */
707 image_get_hdr_b(arch)		/* image_get_arch */
708 image_get_hdr_b(type)		/* image_get_type */
709 image_get_hdr_b(comp)		/* image_get_comp */
710 
711 static inline char *image_get_name(const image_header_t *hdr)
712 {
713 	return (char *)hdr->ih_name;
714 }
715 
716 static inline uint32_t image_get_data_size(const image_header_t *hdr)
717 {
718 	return image_get_size(hdr);
719 }
720 
721 /**
722  * image_get_data - get image payload start address
723  * @hdr: image header
724  *
725  * image_get_data() returns address of the image payload. For single
726  * component images it is image data start. For multi component
727  * images it points to the null terminated table of sub-images sizes.
728  *
729  * returns:
730  *     image payload data start address
731  */
732 static inline ulong image_get_data(const image_header_t *hdr)
733 {
734 	return ((ulong)hdr + image_get_header_size());
735 }
736 
737 static inline uint32_t image_get_image_size(const image_header_t *hdr)
738 {
739 	return (image_get_size(hdr) + image_get_header_size());
740 }
741 static inline ulong image_get_image_end(const image_header_t *hdr)
742 {
743 	return ((ulong)hdr + image_get_image_size(hdr));
744 }
745 
746 #define image_set_hdr_l(f) \
747 	static inline void image_set_##f(image_header_t *hdr, uint32_t val) \
748 	{ \
749 		hdr->ih_##f = cpu_to_uimage(val); \
750 	}
751 image_set_hdr_l(magic)		/* image_set_magic */
752 image_set_hdr_l(hcrc)		/* image_set_hcrc */
753 image_set_hdr_l(time)		/* image_set_time */
754 image_set_hdr_l(size)		/* image_set_size */
755 image_set_hdr_l(load)		/* image_set_load */
756 image_set_hdr_l(ep)		/* image_set_ep */
757 image_set_hdr_l(dcrc)		/* image_set_dcrc */
758 
759 #define image_set_hdr_b(f) \
760 	static inline void image_set_##f(image_header_t *hdr, uint8_t val) \
761 	{ \
762 		hdr->ih_##f = val; \
763 	}
764 image_set_hdr_b(os)		/* image_set_os */
765 image_set_hdr_b(arch)		/* image_set_arch */
766 image_set_hdr_b(type)		/* image_set_type */
767 image_set_hdr_b(comp)		/* image_set_comp */
768 
769 static inline void image_set_name(image_header_t *hdr, const char *name)
770 {
771 	strncpy(image_get_name(hdr), name, IH_NMLEN);
772 }
773 
774 int image_check_hcrc(const image_header_t *hdr);
775 int image_check_dcrc(const image_header_t *hdr);
776 #ifndef USE_HOSTCC
777 ulong getenv_bootm_low(void);
778 phys_size_t getenv_bootm_size(void);
779 phys_size_t getenv_bootm_mapsize(void);
780 #endif
781 void memmove_wd(void *to, void *from, size_t len, ulong chunksz);
782 
783 static inline int image_check_magic(const image_header_t *hdr)
784 {
785 	return (image_get_magic(hdr) == IH_MAGIC);
786 }
787 static inline int image_check_type(const image_header_t *hdr, uint8_t type)
788 {
789 	return (image_get_type(hdr) == type);
790 }
791 static inline int image_check_arch(const image_header_t *hdr, uint8_t arch)
792 {
793 	return (image_get_arch(hdr) == arch);
794 }
795 static inline int image_check_os(const image_header_t *hdr, uint8_t os)
796 {
797 	return (image_get_os(hdr) == os);
798 }
799 
800 ulong image_multi_count(const image_header_t *hdr);
801 void image_multi_getimg(const image_header_t *hdr, ulong idx,
802 			ulong *data, ulong *len);
803 
804 void image_print_contents(const void *hdr);
805 
806 #ifndef USE_HOSTCC
807 static inline int image_check_target_arch(const image_header_t *hdr)
808 {
809 #ifndef IH_ARCH_DEFAULT
810 # error "please define IH_ARCH_DEFAULT in your arch asm/u-boot.h"
811 #endif
812 	return image_check_arch(hdr, IH_ARCH_DEFAULT);
813 }
814 #endif /* USE_HOSTCC */
815 
816 /**
817  * Set up properties in the FDT
818  *
819  * This sets up properties in the FDT that is to be passed to linux.
820  *
821  * @images:	Images information
822  * @blob:	FDT to update
823  * @of_size:	Size of the FDT
824  * @lmb:	Points to logical memory block structure
825  * @return 0 if ok, <0 on failure
826  */
827 int image_setup_libfdt(bootm_headers_t *images, void *blob,
828 		       int of_size, struct lmb *lmb);
829 
830 /**
831  * Set up the FDT to use for booting a kernel
832  *
833  * This performs ramdisk setup, sets up the FDT if required, and adds
834  * paramters to the FDT if libfdt is available.
835  *
836  * @param images	Images information
837  * @return 0 if ok, <0 on failure
838  */
839 int image_setup_linux(bootm_headers_t *images);
840 
841 /**
842  * bootz_setup() - Extract stat and size of a Linux xImage
843  *
844  * @image: Address of image
845  * @start: Returns start address of image
846  * @end : Returns end address of image
847  * @return 0 if OK, 1 if the image was not recognised
848  */
849 int bootz_setup(ulong image, ulong *start, ulong *end);
850 
851 
852 /*******************************************************************/
853 /* New uImage format specific code (prefixed with fit_) */
854 /*******************************************************************/
855 
856 #define FIT_IMAGES_PATH		"/images"
857 #define FIT_CONFS_PATH		"/configurations"
858 
859 /* hash/signature node */
860 #define FIT_HASH_NODENAME	"hash"
861 #define FIT_ALGO_PROP		"algo"
862 #define FIT_VALUE_PROP		"value"
863 #define FIT_IGNORE_PROP		"uboot-ignore"
864 #define FIT_SIG_NODENAME	"signature"
865 
866 /* image node */
867 #define FIT_DATA_PROP		"data"
868 #define FIT_DATA_OFFSET_PROP	"data-offset"
869 #define FIT_DATA_SIZE_PROP	"data-size"
870 #define FIT_TIMESTAMP_PROP	"timestamp"
871 #define FIT_DESC_PROP		"description"
872 #define FIT_ARCH_PROP		"arch"
873 #define FIT_TYPE_PROP		"type"
874 #define FIT_OS_PROP		"os"
875 #define FIT_COMP_PROP		"compression"
876 #define FIT_ENTRY_PROP		"entry"
877 #define FIT_LOAD_PROP		"load"
878 
879 /* configuration node */
880 #define FIT_KERNEL_PROP		"kernel"
881 #define FIT_RAMDISK_PROP	"ramdisk"
882 #define FIT_FDT_PROP		"fdt"
883 #define FIT_LOADABLE_PROP	"loadables"
884 #define FIT_DEFAULT_PROP	"default"
885 #define FIT_SETUP_PROP		"setup"
886 #define FIT_FPGA_PROP		"fpga"
887 
888 #define FIT_MAX_HASH_LEN	HASH_MAX_DIGEST_SIZE
889 
890 #if IMAGE_ENABLE_FIT
891 /* cmdline argument format parsing */
892 int fit_parse_conf(const char *spec, ulong addr_curr,
893 		ulong *addr, const char **conf_name);
894 int fit_parse_subimage(const char *spec, ulong addr_curr,
895 		ulong *addr, const char **image_name);
896 
897 int fit_get_subimage_count(const void *fit, int images_noffset);
898 void fit_print_contents(const void *fit);
899 void fit_image_print(const void *fit, int noffset, const char *p);
900 
901 /**
902  * fit_get_end - get FIT image size
903  * @fit: pointer to the FIT format image header
904  *
905  * returns:
906  *     size of the FIT image (blob) in memory
907  */
908 static inline ulong fit_get_size(const void *fit)
909 {
910 	return fdt_totalsize(fit);
911 }
912 
913 /**
914  * fit_get_end - get FIT image end
915  * @fit: pointer to the FIT format image header
916  *
917  * returns:
918  *     end address of the FIT image (blob) in memory
919  */
920 ulong fit_get_end(const void *fit);
921 
922 /**
923  * fit_get_name - get FIT node name
924  * @fit: pointer to the FIT format image header
925  *
926  * returns:
927  *     NULL, on error
928  *     pointer to node name, on success
929  */
930 static inline const char *fit_get_name(const void *fit_hdr,
931 		int noffset, int *len)
932 {
933 	return fdt_get_name(fit_hdr, noffset, len);
934 }
935 
936 int fit_get_desc(const void *fit, int noffset, char **desc);
937 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp);
938 
939 int fit_image_get_node(const void *fit, const char *image_uname);
940 int fit_image_get_os(const void *fit, int noffset, uint8_t *os);
941 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch);
942 int fit_image_get_type(const void *fit, int noffset, uint8_t *type);
943 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp);
944 int fit_image_get_load(const void *fit, int noffset, ulong *load);
945 int fit_image_get_entry(const void *fit, int noffset, ulong *entry);
946 int fit_image_get_data(const void *fit, int noffset,
947 				const void **data, size_t *size);
948 int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset);
949 int fit_image_get_data_size(const void *fit, int noffset, int *data_size);
950 
951 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo);
952 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
953 				int *value_len);
954 
955 int fit_set_timestamp(void *fit, int noffset, time_t timestamp);
956 
957 /**
958  * fit_add_verification_data() - add verification data to FIT image nodes
959  *
960  * @keydir:	Directory containing keys
961  * @kwydest:	FDT blob to write public key information to
962  * @fit:	Pointer to the FIT format image header
963  * @comment:	Comment to add to signature nodes
964  * @require_keys: Mark all keys as 'required'
965  * @engine_id:	Engine to use for signing
966  *
967  * Adds hash values for all component images in the FIT blob.
968  * Hashes are calculated for all component images which have hash subnodes
969  * with algorithm property set to one of the supported hash algorithms.
970  *
971  * Also add signatures if signature nodes are present.
972  *
973  * returns
974  *     0, on success
975  *     libfdt error code, on failure
976  */
977 int fit_add_verification_data(const char *keydir, void *keydest, void *fit,
978 			      const char *comment, int require_keys,
979 			      const char *engine_id);
980 
981 int fit_image_verify(const void *fit, int noffset);
982 int fit_config_verify(const void *fit, int conf_noffset);
983 int fit_all_image_verify(const void *fit);
984 int fit_image_check_os(const void *fit, int noffset, uint8_t os);
985 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch);
986 int fit_image_check_type(const void *fit, int noffset, uint8_t type);
987 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp);
988 int fit_check_format(const void *fit);
989 
990 int fit_conf_find_compat(const void *fit, const void *fdt);
991 int fit_conf_get_node(const void *fit, const char *conf_uname);
992 
993 /**
994  * fit_conf_get_prop_node() - Get node refered to by a configuration
995  * @fit:	FIT to check
996  * @noffset:	Offset of conf@xxx node to check
997  * @prop_name:	Property to read from the conf node
998  *
999  * The conf@ nodes contain references to other nodes, using properties
1000  * like 'kernel = "kernel@1"'. Given such a property name (e.g. "kernel"),
1001  * return the offset of the node referred to (e.g. offset of node
1002  * "/images/kernel@1".
1003  */
1004 int fit_conf_get_prop_node(const void *fit, int noffset,
1005 		const char *prop_name);
1006 
1007 void fit_conf_print(const void *fit, int noffset, const char *p);
1008 
1009 int fit_check_ramdisk(const void *fit, int os_noffset,
1010 		uint8_t arch, int verify);
1011 
1012 int calculate_hash(const void *data, int data_len, const char *algo,
1013 			uint8_t *value, int *value_len);
1014 
1015 /*
1016  * At present we only support signing on the host, and verification on the
1017  * device
1018  */
1019 #if defined(CONFIG_FIT_SIGNATURE)
1020 # ifdef USE_HOSTCC
1021 #  define IMAGE_ENABLE_SIGN	1
1022 #  define IMAGE_ENABLE_VERIFY	1
1023 # include  <openssl/evp.h>
1024 #else
1025 #  define IMAGE_ENABLE_SIGN	0
1026 #  define IMAGE_ENABLE_VERIFY	1
1027 # endif
1028 #else
1029 # define IMAGE_ENABLE_SIGN	0
1030 # define IMAGE_ENABLE_VERIFY	0
1031 #endif
1032 
1033 #ifdef USE_HOSTCC
1034 void *image_get_host_blob(void);
1035 void image_set_host_blob(void *host_blob);
1036 # define gd_fdt_blob()		image_get_host_blob()
1037 #else
1038 # define gd_fdt_blob()		(gd->fdt_blob)
1039 #endif
1040 
1041 #ifdef CONFIG_FIT_BEST_MATCH
1042 #define IMAGE_ENABLE_BEST_MATCH	1
1043 #else
1044 #define IMAGE_ENABLE_BEST_MATCH	0
1045 #endif
1046 
1047 /* Information passed to the signing routines */
1048 struct image_sign_info {
1049 	const char *keydir;		/* Directory conaining keys */
1050 	const char *keyname;		/* Name of key to use */
1051 	void *fit;			/* Pointer to FIT blob */
1052 	int node_offset;		/* Offset of signature node */
1053 	const char *name;		/* Algorithm name */
1054 	struct checksum_algo *checksum;	/* Checksum algorithm information */
1055 	struct crypto_algo *crypto;	/* Crypto algorithm information */
1056 	const void *fdt_blob;		/* FDT containing public keys */
1057 	int required_keynode;		/* Node offset of key to use: -1=any */
1058 	const char *require_keys;	/* Value for 'required' property */
1059 	const char *engine_id;		/* Engine to use for signing */
1060 };
1061 #endif /* Allow struct image_region to always be defined for rsa.h */
1062 
1063 /* A part of an image, used for hashing */
1064 struct image_region {
1065 	const void *data;
1066 	int size;
1067 };
1068 
1069 #if IMAGE_ENABLE_FIT
1070 
1071 #if IMAGE_ENABLE_VERIFY
1072 # include <u-boot/rsa-checksum.h>
1073 #endif
1074 struct checksum_algo {
1075 	const char *name;
1076 	const int checksum_len;
1077 	const int der_len;
1078 	const uint8_t *der_prefix;
1079 #if IMAGE_ENABLE_SIGN
1080 	const EVP_MD *(*calculate_sign)(void);
1081 #endif
1082 	int (*calculate)(const char *name,
1083 			 const struct image_region region[],
1084 			 int region_count, uint8_t *checksum);
1085 };
1086 
1087 struct crypto_algo {
1088 	const char *name;		/* Name of algorithm */
1089 	const int key_len;
1090 
1091 	/**
1092 	 * sign() - calculate and return signature for given input data
1093 	 *
1094 	 * @info:	Specifies key and FIT information
1095 	 * @data:	Pointer to the input data
1096 	 * @data_len:	Data length
1097 	 * @sigp:	Set to an allocated buffer holding the signature
1098 	 * @sig_len:	Set to length of the calculated hash
1099 	 *
1100 	 * This computes input data signature according to selected algorithm.
1101 	 * Resulting signature value is placed in an allocated buffer, the
1102 	 * pointer is returned as *sigp. The length of the calculated
1103 	 * signature is returned via the sig_len pointer argument. The caller
1104 	 * should free *sigp.
1105 	 *
1106 	 * @return: 0, on success, -ve on error
1107 	 */
1108 	int (*sign)(struct image_sign_info *info,
1109 		    const struct image_region region[],
1110 		    int region_count, uint8_t **sigp, uint *sig_len);
1111 
1112 	/**
1113 	 * add_verify_data() - Add verification information to FDT
1114 	 *
1115 	 * Add public key information to the FDT node, suitable for
1116 	 * verification at run-time. The information added depends on the
1117 	 * algorithm being used.
1118 	 *
1119 	 * @info:	Specifies key and FIT information
1120 	 * @keydest:	Destination FDT blob for public key data
1121 	 * @return: 0, on success, -ve on error
1122 	 */
1123 	int (*add_verify_data)(struct image_sign_info *info, void *keydest);
1124 
1125 	/**
1126 	 * verify() - Verify a signature against some data
1127 	 *
1128 	 * @info:	Specifies key and FIT information
1129 	 * @data:	Pointer to the input data
1130 	 * @data_len:	Data length
1131 	 * @sig:	Signature
1132 	 * @sig_len:	Number of bytes in signature
1133 	 * @return 0 if verified, -ve on error
1134 	 */
1135 	int (*verify)(struct image_sign_info *info,
1136 		      const struct image_region region[], int region_count,
1137 		      uint8_t *sig, uint sig_len);
1138 };
1139 
1140 /**
1141  * image_get_checksum_algo() - Look up a checksum algorithm
1142  *
1143  * @param full_name	Name of algorithm in the form "checksum,crypto"
1144  * @return pointer to algorithm information, or NULL if not found
1145  */
1146 struct checksum_algo *image_get_checksum_algo(const char *full_name);
1147 
1148 /**
1149  * image_get_crypto_algo() - Look up a cryptosystem algorithm
1150  *
1151  * @param full_name	Name of algorithm in the form "checksum,crypto"
1152  * @return pointer to algorithm information, or NULL if not found
1153  */
1154 struct crypto_algo *image_get_crypto_algo(const char *full_name);
1155 
1156 /**
1157  * fit_image_verify_required_sigs() - Verify signatures marked as 'required'
1158  *
1159  * @fit:		FIT to check
1160  * @image_noffset:	Offset of image node to check
1161  * @data:		Image data to check
1162  * @size:		Size of image data
1163  * @sig_blob:		FDT containing public keys
1164  * @no_sigsp:		Returns 1 if no signatures were required, and
1165  *			therefore nothing was checked. The caller may wish
1166  *			to fall back to other mechanisms, or refuse to
1167  *			boot.
1168  * @return 0 if all verified ok, <0 on error
1169  */
1170 int fit_image_verify_required_sigs(const void *fit, int image_noffset,
1171 		const char *data, size_t size, const void *sig_blob,
1172 		int *no_sigsp);
1173 
1174 /**
1175  * fit_image_check_sig() - Check a single image signature node
1176  *
1177  * @fit:		FIT to check
1178  * @noffset:		Offset of signature node to check
1179  * @data:		Image data to check
1180  * @size:		Size of image data
1181  * @required_keynode:	Offset in the control FDT of the required key node,
1182  *			if any. If this is given, then the image wil not
1183  *			pass verification unless that key is used. If this is
1184  *			-1 then any signature will do.
1185  * @err_msgp:		In the event of an error, this will be pointed to a
1186  *			help error string to display to the user.
1187  * @return 0 if all verified ok, <0 on error
1188  */
1189 int fit_image_check_sig(const void *fit, int noffset, const void *data,
1190 		size_t size, int required_keynode, char **err_msgp);
1191 
1192 /**
1193  * fit_region_make_list() - Make a list of regions to hash
1194  *
1195  * Given a list of FIT regions (offset, size) provided by libfdt, create
1196  * a list of regions (void *, size) for use by the signature creationg
1197  * and verification code.
1198  *
1199  * @fit:		FIT image to process
1200  * @fdt_regions:	Regions as returned by libfdt
1201  * @count:		Number of regions returned by libfdt
1202  * @region:		Place to put list of regions (NULL to allocate it)
1203  * @return pointer to list of regions, or NULL if out of memory
1204  */
1205 struct image_region *fit_region_make_list(const void *fit,
1206 		struct fdt_region *fdt_regions, int count,
1207 		struct image_region *region);
1208 
1209 static inline int fit_image_check_target_arch(const void *fdt, int node)
1210 {
1211 #ifndef USE_HOSTCC
1212 	return fit_image_check_arch(fdt, node, IH_ARCH_DEFAULT);
1213 #else
1214 	return 0;
1215 #endif
1216 }
1217 
1218 #ifdef CONFIG_FIT_VERBOSE
1219 #define fit_unsupported(msg)	printf("! %s:%d " \
1220 				"FIT images not supported for '%s'\n", \
1221 				__FILE__, __LINE__, (msg))
1222 
1223 #define fit_unsupported_reset(msg)	printf("! %s:%d " \
1224 				"FIT images not supported for '%s' " \
1225 				"- must reset board to recover!\n", \
1226 				__FILE__, __LINE__, (msg))
1227 #else
1228 #define fit_unsupported(msg)
1229 #define fit_unsupported_reset(msg)
1230 #endif /* CONFIG_FIT_VERBOSE */
1231 #endif /* CONFIG_FIT */
1232 
1233 #if defined(CONFIG_ANDROID_BOOT_IMAGE)
1234 struct andr_img_hdr;
1235 int android_image_check_header(const struct andr_img_hdr *hdr);
1236 int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify,
1237 			     ulong *os_data, ulong *os_len);
1238 int android_image_get_ramdisk(const struct andr_img_hdr *hdr,
1239 			      ulong *rd_data, ulong *rd_len);
1240 ulong android_image_get_end(const struct andr_img_hdr *hdr);
1241 ulong android_image_get_kload(const struct andr_img_hdr *hdr);
1242 void android_print_contents(const struct andr_img_hdr *hdr);
1243 
1244 #endif /* CONFIG_ANDROID_BOOT_IMAGE */
1245 
1246 /**
1247  * board_fit_config_name_match() - Check for a matching board name
1248  *
1249  * This is used when SPL loads a FIT containing multiple device tree files
1250  * and wants to work out which one to use. The description of each one is
1251  * passed to this function. The description comes from the 'description' field
1252  * in each (FDT) image node.
1253  *
1254  * @name: Device tree description
1255  * @return 0 if this device tree should be used, non-zero to try the next
1256  */
1257 int board_fit_config_name_match(const char *name);
1258 
1259 #if defined(CONFIG_SPL_FIT_IMAGE_POST_PROCESS) || \
1260 	defined(CONFIG_FIT_IMAGE_POST_PROCESS)
1261 /**
1262  * board_fit_image_post_process() - Do any post-process on FIT binary data
1263  *
1264  * This is used to do any sort of image manipulation, verification, decryption
1265  * etc. in a platform or board specific way. Obviously, anything done here would
1266  * need to be comprehended in how the images were prepared before being injected
1267  * into the FIT creation (i.e. the binary blobs would have been pre-processed
1268  * before being added to the FIT image).
1269  *
1270  * @image: pointer to the image start pointer
1271  * @size: pointer to the image size
1272  * @return no return value (failure should be handled internally)
1273  */
1274 void board_fit_image_post_process(void **p_image, size_t *p_size);
1275 #endif /* CONFIG_SPL_FIT_IMAGE_POST_PROCESS */
1276 
1277 /**
1278  * Mapping of image types to function handlers to be invoked on the associated
1279  * loaded images
1280  *
1281  * @type: Type of image, I.E. IH_TYPE_*
1282  * @handler: Function to call on loaded image
1283  */
1284 struct fit_loadable_tbl {
1285 	int type;
1286 	/**
1287 	 * handler() - Process a loaded image
1288 	 *
1289 	 * @data: Pointer to start of loaded image data
1290 	 * @size: Size of loaded image data
1291 	 */
1292 	void (*handler)(ulong data, size_t size);
1293 };
1294 
1295 /*
1296  * Define a FIT loadable image type handler
1297  *
1298  * _type is a valid uimage_type ID as defined in the "Image Type" enum above
1299  * _handler is the handler function to call after this image type is loaded
1300  */
1301 #define U_BOOT_FIT_LOADABLE_HANDLER(_type, _handler) \
1302 	ll_entry_declare(struct fit_loadable_tbl, _function, fit_loadable) = { \
1303 		.type = _type, \
1304 		.handler = _handler, \
1305 	}
1306 
1307 #endif	/* __IMAGE_H__ */
1308