2 * (C) Copyright 2008 Semihalf
4 * (C) Copyright 2000-2005
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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
13 ********************************************************************
20 #include <asm/byteorder.h>
22 /* Define this to avoid #ifdefs later on */
27 /* new uImage format support enabled on host */
29 #define CONFIG_OF_LIBFDT 1
30 #define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */
32 #define IMAGE_ENABLE_IGNORE 0
33 #define IMAGE_INDENT_STRING ""
38 #include <asm/u-boot.h>
41 /* Take notice of the 'ignore' property for hashes */
42 #define IMAGE_ENABLE_IGNORE 1
43 #define IMAGE_INDENT_STRING " "
45 #endif /* USE_HOSTCC */
47 #if defined(CONFIG_FIT)
49 #include <fdt_support.h>
50 # ifdef CONFIG_SPL_BUILD
51 # ifdef CONFIG_SPL_CRC32_SUPPORT
52 # define IMAGE_ENABLE_CRC32 1
54 # ifdef CONFIG_SPL_MD5_SUPPORT
55 # define IMAGE_ENABLE_MD5 1
57 # ifdef CONFIG_SPL_SHA1_SUPPORT
58 # define IMAGE_ENABLE_SHA1 1
61 # define CONFIG_CRC32 /* FIT images need CRC32 support */
62 # define CONFIG_MD5 /* and MD5 */
63 # define CONFIG_SHA1 /* and SHA1 */
64 # define IMAGE_ENABLE_CRC32 1
65 # define IMAGE_ENABLE_MD5 1
66 # define IMAGE_ENABLE_SHA1 1
69 #ifndef IMAGE_ENABLE_CRC32
70 #define IMAGE_ENABLE_CRC32 0
73 #ifndef IMAGE_ENABLE_MD5
74 #define IMAGE_ENABLE_MD5 0
77 #ifndef IMAGE_ENABLE_SHA1
78 #define IMAGE_ENABLE_SHA1 0
81 #endif /* CONFIG_FIT */
83 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
84 # define IMAGE_ENABLE_RAMDISK_HIGH 1
86 # define IMAGE_ENABLE_RAMDISK_HIGH 0
89 #ifdef CONFIG_OF_LIBFDT
90 # define IMAGE_ENABLE_OF_LIBFDT 1
92 # define IMAGE_ENABLE_OF_LIBFDT 0
95 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
96 # define IMAGE_BOOT_GET_CMDLINE 1
98 # define IMAGE_BOOT_GET_CMDLINE 0
101 #ifdef CONFIG_OF_BOARD_SETUP
102 # define IMAAGE_OF_BOARD_SETUP 1
104 # define IMAAGE_OF_BOARD_SETUP 0
108 * Operating System Codes
110 #define IH_OS_INVALID 0 /* Invalid OS */
111 #define IH_OS_OPENBSD 1 /* OpenBSD */
112 #define IH_OS_NETBSD 2 /* NetBSD */
113 #define IH_OS_FREEBSD 3 /* FreeBSD */
114 #define IH_OS_4_4BSD 4 /* 4.4BSD */
115 #define IH_OS_LINUX 5 /* Linux */
116 #define IH_OS_SVR4 6 /* SVR4 */
117 #define IH_OS_ESIX 7 /* Esix */
118 #define IH_OS_SOLARIS 8 /* Solaris */
119 #define IH_OS_IRIX 9 /* Irix */
120 #define IH_OS_SCO 10 /* SCO */
121 #define IH_OS_DELL 11 /* Dell */
122 #define IH_OS_NCR 12 /* NCR */
123 #define IH_OS_LYNXOS 13 /* LynxOS */
124 #define IH_OS_VXWORKS 14 /* VxWorks */
125 #define IH_OS_PSOS 15 /* pSOS */
126 #define IH_OS_QNX 16 /* QNX */
127 #define IH_OS_U_BOOT 17 /* Firmware */
128 #define IH_OS_RTEMS 18 /* RTEMS */
129 #define IH_OS_ARTOS 19 /* ARTOS */
130 #define IH_OS_UNITY 20 /* Unity OS */
131 #define IH_OS_INTEGRITY 21 /* INTEGRITY */
132 #define IH_OS_OSE 22 /* OSE */
133 #define IH_OS_PLAN9 23 /* Plan 9 */
136 * CPU Architecture Codes (supported by Linux)
138 #define IH_ARCH_INVALID 0 /* Invalid CPU */
139 #define IH_ARCH_ALPHA 1 /* Alpha */
140 #define IH_ARCH_ARM 2 /* ARM */
141 #define IH_ARCH_I386 3 /* Intel x86 */
142 #define IH_ARCH_IA64 4 /* IA64 */
143 #define IH_ARCH_MIPS 5 /* MIPS */
144 #define IH_ARCH_MIPS64 6 /* MIPS 64 Bit */
145 #define IH_ARCH_PPC 7 /* PowerPC */
146 #define IH_ARCH_S390 8 /* IBM S390 */
147 #define IH_ARCH_SH 9 /* SuperH */
148 #define IH_ARCH_SPARC 10 /* Sparc */
149 #define IH_ARCH_SPARC64 11 /* Sparc 64 Bit */
150 #define IH_ARCH_M68K 12 /* M68K */
151 #define IH_ARCH_MICROBLAZE 14 /* MicroBlaze */
152 #define IH_ARCH_NIOS2 15 /* Nios-II */
153 #define IH_ARCH_BLACKFIN 16 /* Blackfin */
154 #define IH_ARCH_AVR32 17 /* AVR32 */
155 #define IH_ARCH_ST200 18 /* STMicroelectronics ST200 */
156 #define IH_ARCH_SANDBOX 19 /* Sandbox architecture (test only) */
157 #define IH_ARCH_NDS32 20 /* ANDES Technology - NDS32 */
158 #define IH_ARCH_OPENRISC 21 /* OpenRISC 1000 */
163 * "Standalone Programs" are directly runnable in the environment
164 * provided by U-Boot; it is expected that (if they behave
165 * well) you can continue to work in U-Boot after return from
166 * the Standalone Program.
167 * "OS Kernel Images" are usually images of some Embedded OS which
168 * will take over control completely. Usually these programs
169 * will install their own set of exception handlers, device
170 * drivers, set up the MMU, etc. - this means, that you cannot
171 * expect to re-enter U-Boot except by resetting the CPU.
172 * "RAMDisk Images" are more or less just data blocks, and their
173 * parameters (address, size) are passed to an OS kernel that is
175 * "Multi-File Images" contain several images, typically an OS
176 * (Linux) kernel image and one or more data images like
177 * RAMDisks. This construct is useful for instance when you want
178 * to boot over the network using BOOTP etc., where the boot
179 * server provides just a single image file, but you want to get
180 * for instance an OS kernel and a RAMDisk image.
182 * "Multi-File Images" start with a list of image sizes, each
183 * image size (in bytes) specified by an "uint32_t" in network
184 * byte order. This list is terminated by an "(uint32_t)0".
185 * Immediately after the terminating 0 follow the images, one by
186 * one, all aligned on "uint32_t" boundaries (size rounded up to
187 * a multiple of 4 bytes - except for the last file).
189 * "Firmware Images" are binary images containing firmware (like
190 * U-Boot or FPGA images) which usually will be programmed to
193 * "Script files" are command sequences that will be executed by
194 * U-Boot's command interpreter; this feature is especially
195 * useful when you configure U-Boot to use a real shell (hush)
196 * as command interpreter (=> Shell Scripts).
199 #define IH_TYPE_INVALID 0 /* Invalid Image */
200 #define IH_TYPE_STANDALONE 1 /* Standalone Program */
201 #define IH_TYPE_KERNEL 2 /* OS Kernel Image */
202 #define IH_TYPE_RAMDISK 3 /* RAMDisk Image */
203 #define IH_TYPE_MULTI 4 /* Multi-File Image */
204 #define IH_TYPE_FIRMWARE 5 /* Firmware Image */
205 #define IH_TYPE_SCRIPT 6 /* Script file */
206 #define IH_TYPE_FILESYSTEM 7 /* Filesystem Image (any type) */
207 #define IH_TYPE_FLATDT 8 /* Binary Flat Device Tree Blob */
208 #define IH_TYPE_KWBIMAGE 9 /* Kirkwood Boot Image */
209 #define IH_TYPE_IMXIMAGE 10 /* Freescale IMXBoot Image */
210 #define IH_TYPE_UBLIMAGE 11 /* Davinci UBL Image */
211 #define IH_TYPE_OMAPIMAGE 12 /* TI OMAP Config Header Image */
212 #define IH_TYPE_AISIMAGE 13 /* TI Davinci AIS Image */
213 #define IH_TYPE_KERNEL_NOLOAD 14 /* OS Kernel Image, can run from any load address */
214 #define IH_TYPE_PBLIMAGE 15 /* Freescale PBL Boot Image */
215 #define IH_TYPE_MXSIMAGE 16 /* Freescale MXSBoot Image */
220 #define IH_COMP_NONE 0 /* No Compression Used */
221 #define IH_COMP_GZIP 1 /* gzip Compression Used */
222 #define IH_COMP_BZIP2 2 /* bzip2 Compression Used */
223 #define IH_COMP_LZMA 3 /* lzma Compression Used */
224 #define IH_COMP_LZO 4 /* lzo Compression Used */
226 #define IH_MAGIC 0x27051956 /* Image Magic Number */
227 #define IH_NMLEN 32 /* Image Name Length */
229 /* Reused from common.h */
230 #define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1))
233 * Legacy format image header,
234 * all data in network byte order (aka natural aka bigendian).
236 typedef struct image_header {
237 __be32 ih_magic; /* Image Header Magic Number */
238 __be32 ih_hcrc; /* Image Header CRC Checksum */
239 __be32 ih_time; /* Image Creation Timestamp */
240 __be32 ih_size; /* Image Data Size */
241 __be32 ih_load; /* Data Load Address */
242 __be32 ih_ep; /* Entry Point Address */
243 __be32 ih_dcrc; /* Image Data CRC Checksum */
244 uint8_t ih_os; /* Operating System */
245 uint8_t ih_arch; /* CPU architecture */
246 uint8_t ih_type; /* Image Type */
247 uint8_t ih_comp; /* Compression Type */
248 uint8_t ih_name[IH_NMLEN]; /* Image Name */
251 typedef struct image_info {
252 ulong start, end; /* start/end of blob */
253 ulong image_start, image_len; /* start of image within blob, len of image */
254 ulong load; /* load addr for the image */
255 uint8_t comp, type, os; /* compression, type of image, os type */
259 * Legacy and FIT format headers used by do_bootm() and do_bootm_<os>()
262 typedef struct bootm_headers {
264 * Legacy os image header, if it is a multi component image
265 * then boot_get_ramdisk() and get_fdt() will attempt to get
266 * data from second and third component accordingly.
268 image_header_t *legacy_hdr_os; /* image header pointer */
269 image_header_t legacy_hdr_os_copy; /* header copy */
270 ulong legacy_hdr_valid;
272 #if defined(CONFIG_FIT)
273 const char *fit_uname_cfg; /* configuration node unit name */
275 void *fit_hdr_os; /* os FIT image header */
276 const char *fit_uname_os; /* os subimage node unit name */
277 int fit_noffset_os; /* os subimage node offset */
279 void *fit_hdr_rd; /* init ramdisk FIT image header */
280 const char *fit_uname_rd; /* init ramdisk subimage node unit name */
281 int fit_noffset_rd; /* init ramdisk subimage node offset */
283 void *fit_hdr_fdt; /* FDT blob FIT image header */
284 const char *fit_uname_fdt; /* FDT blob subimage node unit name */
285 int fit_noffset_fdt;/* FDT blob subimage node offset */
289 image_info_t os; /* os image info */
290 ulong ep; /* entry point of OS */
292 ulong rd_start, rd_end;/* ramdisk start/end */
294 char *ft_addr; /* flat dev tree address */
295 ulong ft_len; /* length of flat device tree */
304 int verify; /* getenv("verify")[0] != 'n' */
306 #define BOOTM_STATE_START (0x00000001)
307 #define BOOTM_STATE_FINDOS (0x00000002)
308 #define BOOTM_STATE_FINDOTHER (0x00000004)
309 #define BOOTM_STATE_LOADOS (0x00000008)
310 #define BOOTM_STATE_RAMDISK (0x00000010)
311 #define BOOTM_STATE_FDT (0x00000020)
312 #define BOOTM_STATE_OS_CMDLINE (0x00000040)
313 #define BOOTM_STATE_OS_BD_T (0x00000080)
314 #define BOOTM_STATE_OS_PREP (0x00000100)
315 #define BOOTM_STATE_OS_FAKE_GO (0x00000200) /* 'Almost' run the OS */
316 #define BOOTM_STATE_OS_GO (0x00000400)
320 struct lmb lmb; /* for memory mgmt */
324 extern bootm_headers_t images;
327 * Some systems (for example LWMON) have very short watchdog periods;
328 * we must make sure to split long operations like memmove() or
329 * checksum calculations into reasonable chunks.
332 #define CHUNKSZ (64 * 1024)
335 #ifndef CHUNKSZ_CRC32
336 #define CHUNKSZ_CRC32 (64 * 1024)
340 #define CHUNKSZ_MD5 (64 * 1024)
344 #define CHUNKSZ_SHA1 (64 * 1024)
347 #define uimage_to_cpu(x) be32_to_cpu(x)
348 #define cpu_to_uimage(x) cpu_to_be32(x)
351 * Translation table for entries of a specific type; used by
352 * get_table_entry_id() and get_table_entry_name().
354 typedef struct table_entry {
356 char *sname; /* short (input) name to find table entry */
357 char *lname; /* long (output) name to print for messages */
361 * get_table_entry_id() scans the translation table trying to find an
362 * entry that matches the given short name. If a matching entry is
363 * found, it's id is returned to the caller.
365 int get_table_entry_id(const table_entry_t *table,
366 const char *table_name, const char *name);
368 * get_table_entry_name() scans the translation table trying to find
369 * an entry that matches the given id. If a matching entry is found,
370 * its long name is returned to the caller.
372 char *get_table_entry_name(const table_entry_t *table, char *msg, int id);
374 const char *genimg_get_os_name(uint8_t os);
375 const char *genimg_get_arch_name(uint8_t arch);
376 const char *genimg_get_type_name(uint8_t type);
377 const char *genimg_get_comp_name(uint8_t comp);
378 int genimg_get_os_id(const char *name);
379 int genimg_get_arch_id(const char *name);
380 int genimg_get_type_id(const char *name);
381 int genimg_get_comp_id(const char *name);
382 void genimg_print_size(uint32_t size);
384 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || \
386 #define IMAGE_ENABLE_TIMESTAMP 1
388 #define IMAGE_ENABLE_TIMESTAMP 0
390 void genimg_print_time(time_t timestamp);
392 /* What to do with a image load address ('load = <> 'in the FIT) */
394 FIT_LOAD_IGNORED, /* Ignore load address */
395 FIT_LOAD_OPTIONAL, /* Can be provided, but optional */
396 FIT_LOAD_REQUIRED, /* Must be provided */
400 /* Image format types, returned by _get_format() routine */
401 #define IMAGE_FORMAT_INVALID 0x00
402 #define IMAGE_FORMAT_LEGACY 0x01 /* legacy image_header based format */
403 #define IMAGE_FORMAT_FIT 0x02 /* new, libfdt based format */
405 int genimg_get_format(const void *img_addr);
406 int genimg_has_config(bootm_headers_t *images);
407 ulong genimg_get_image(ulong img_addr);
409 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
410 uint8_t arch, ulong *rd_start, ulong *rd_end);
413 * fit_image_load() - load an image from a FIT
415 * This deals with all aspects of loading an image from a FIT, including
416 * selecting the right image based on configuration, verifying it, printing
417 * out progress messages, checking the type/arch/os and optionally copying it
418 * to the right load address.
420 * @param images Boot images structure
421 * @param prop_name Property name to look up (FIT_..._PROP)
422 * @param addr Address of FIT in memory
423 * @param fit_unamep On entry this is the requested image name
424 * (e.g. "kernel@1") or NULL to use the default. On exit
425 * points to the selected image name
426 * @param fit_uname_configp On entry this is the requested configuration
427 * name (e.g. "conf@1") or NULL to use the default. On
428 * exit points to the selected configuration name.
429 * @param arch Expected architecture (IH_ARCH_...)
430 * @param image_type Required image type (IH_TYPE_...). If this is
431 * IH_TYPE_KERNEL then we allow IH_TYPE_KERNEL_NOLOAD
433 * @param bootstage_id ID of starting bootstage to use for progress updates.
434 * This will be added to the BOOTSTAGE_SUB values when
435 * calling bootstage_mark()
436 * @param load_op Decribes what to do with the load address
437 * @param datap Returns address of loaded image
438 * @param lenp Returns length of loaded image
440 int fit_image_load(bootm_headers_t *images, const char *prop_name, ulong addr,
441 const char **fit_unamep, const char **fit_uname_configp,
442 int arch, int image_type, int bootstage_id,
443 enum fit_load_op load_op, ulong *datap, ulong *lenp);
446 * fit_get_node_from_config() - Look up an image a FIT by type
448 * This looks in the selected conf@ node (images->fit_uname_cfg) for a
449 * particular image type (e.g. "kernel") and then finds the image that is
452 * For example, for something like:
461 * kernel = "kernel@1";
465 * the function will return the node offset of the kernel@1 node, assuming
466 * that conf@1 is the chosen configuration.
468 * @param images Boot images structure
469 * @param prop_name Property name to look up (FIT_..._PROP)
470 * @param addr Address of FIT in memory
472 int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
475 int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
476 bootm_headers_t *images,
477 char **of_flat_tree, ulong *of_size);
478 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob);
479 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size);
481 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
482 ulong *initrd_start, ulong *initrd_end);
483 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end);
484 #ifdef CONFIG_SYS_BOOT_GET_KBD
485 int boot_get_kbd(struct lmb *lmb, bd_t **kbd);
486 #endif /* CONFIG_SYS_BOOT_GET_KBD */
487 #endif /* !USE_HOSTCC */
489 /*******************************************************************/
490 /* Legacy format specific code (prefixed with image_) */
491 /*******************************************************************/
492 static inline uint32_t image_get_header_size(void)
494 return (sizeof(image_header_t));
497 #define image_get_hdr_l(f) \
498 static inline uint32_t image_get_##f(const image_header_t *hdr) \
500 return uimage_to_cpu(hdr->ih_##f); \
502 image_get_hdr_l(magic) /* image_get_magic */
503 image_get_hdr_l(hcrc) /* image_get_hcrc */
504 image_get_hdr_l(time) /* image_get_time */
505 image_get_hdr_l(size) /* image_get_size */
506 image_get_hdr_l(load) /* image_get_load */
507 image_get_hdr_l(ep) /* image_get_ep */
508 image_get_hdr_l(dcrc) /* image_get_dcrc */
510 #define image_get_hdr_b(f) \
511 static inline uint8_t image_get_##f(const image_header_t *hdr) \
513 return hdr->ih_##f; \
515 image_get_hdr_b(os) /* image_get_os */
516 image_get_hdr_b(arch) /* image_get_arch */
517 image_get_hdr_b(type) /* image_get_type */
518 image_get_hdr_b(comp) /* image_get_comp */
520 static inline char *image_get_name(const image_header_t *hdr)
522 return (char *)hdr->ih_name;
525 static inline uint32_t image_get_data_size(const image_header_t *hdr)
527 return image_get_size(hdr);
531 * image_get_data - get image payload start address
534 * image_get_data() returns address of the image payload. For single
535 * component images it is image data start. For multi component
536 * images it points to the null terminated table of sub-images sizes.
539 * image payload data start address
541 static inline ulong image_get_data(const image_header_t *hdr)
543 return ((ulong)hdr + image_get_header_size());
546 static inline uint32_t image_get_image_size(const image_header_t *hdr)
548 return (image_get_size(hdr) + image_get_header_size());
550 static inline ulong image_get_image_end(const image_header_t *hdr)
552 return ((ulong)hdr + image_get_image_size(hdr));
555 #define image_set_hdr_l(f) \
556 static inline void image_set_##f(image_header_t *hdr, uint32_t val) \
558 hdr->ih_##f = cpu_to_uimage(val); \
560 image_set_hdr_l(magic) /* image_set_magic */
561 image_set_hdr_l(hcrc) /* image_set_hcrc */
562 image_set_hdr_l(time) /* image_set_time */
563 image_set_hdr_l(size) /* image_set_size */
564 image_set_hdr_l(load) /* image_set_load */
565 image_set_hdr_l(ep) /* image_set_ep */
566 image_set_hdr_l(dcrc) /* image_set_dcrc */
568 #define image_set_hdr_b(f) \
569 static inline void image_set_##f(image_header_t *hdr, uint8_t val) \
573 image_set_hdr_b(os) /* image_set_os */
574 image_set_hdr_b(arch) /* image_set_arch */
575 image_set_hdr_b(type) /* image_set_type */
576 image_set_hdr_b(comp) /* image_set_comp */
578 static inline void image_set_name(image_header_t *hdr, const char *name)
580 strncpy(image_get_name(hdr), name, IH_NMLEN);
583 int image_check_hcrc(const image_header_t *hdr);
584 int image_check_dcrc(const image_header_t *hdr);
586 ulong getenv_bootm_low(void);
587 phys_size_t getenv_bootm_size(void);
588 phys_size_t getenv_bootm_mapsize(void);
589 void memmove_wd(void *to, void *from, size_t len, ulong chunksz);
592 static inline int image_check_magic(const image_header_t *hdr)
594 return (image_get_magic(hdr) == IH_MAGIC);
596 static inline int image_check_type(const image_header_t *hdr, uint8_t type)
598 return (image_get_type(hdr) == type);
600 static inline int image_check_arch(const image_header_t *hdr, uint8_t arch)
602 return (image_get_arch(hdr) == arch);
604 static inline int image_check_os(const image_header_t *hdr, uint8_t os)
606 return (image_get_os(hdr) == os);
609 ulong image_multi_count(const image_header_t *hdr);
610 void image_multi_getimg(const image_header_t *hdr, ulong idx,
611 ulong *data, ulong *len);
613 void image_print_contents(const void *hdr);
616 static inline int image_check_target_arch(const image_header_t *hdr)
618 #ifndef IH_ARCH_DEFAULT
619 # error "please define IH_ARCH_DEFAULT in your arch asm/u-boot.h"
621 return image_check_arch(hdr, IH_ARCH_DEFAULT);
623 #endif /* USE_HOSTCC */
626 * Set up properties in the FDT
628 * This sets up properties in the FDT that is to be passed to linux.
630 * @images: Images information
631 * @blob: FDT to update
632 * @of_size: Size of the FDT
633 * @lmb: Points to logical memory block structure
634 * @return 0 if ok, <0 on failure
636 int image_setup_libfdt(bootm_headers_t *images, void *blob,
637 int of_size, struct lmb *lmb);
640 * Set up the FDT to use for booting a kernel
642 * This performs ramdisk setup, sets up the FDT if required, and adds
643 * paramters to the FDT if libfdt is available.
645 * @param images Images information
646 * @return 0 if ok, <0 on failure
648 int image_setup_linux(bootm_headers_t *images);
651 * bootz_setup() - Extract stat and size of a Linux xImage
653 * @image: Address of image
654 * @start: Returns start address of image
655 * @end : Returns end address of image
656 * @return 0 if OK, 1 if the image was not recognised
658 int bootz_setup(ulong image, ulong *start, ulong *end);
661 /*******************************************************************/
662 /* New uImage format specific code (prefixed with fit_) */
663 /*******************************************************************/
664 #if defined(CONFIG_FIT)
666 #define FIT_IMAGES_PATH "/images"
667 #define FIT_CONFS_PATH "/configurations"
669 /* hash/signature node */
670 #define FIT_HASH_NODENAME "hash"
671 #define FIT_ALGO_PROP "algo"
672 #define FIT_VALUE_PROP "value"
673 #define FIT_IGNORE_PROP "uboot-ignore"
674 #define FIT_SIG_NODENAME "signature"
677 #define FIT_DATA_PROP "data"
678 #define FIT_TIMESTAMP_PROP "timestamp"
679 #define FIT_DESC_PROP "description"
680 #define FIT_ARCH_PROP "arch"
681 #define FIT_TYPE_PROP "type"
682 #define FIT_OS_PROP "os"
683 #define FIT_COMP_PROP "compression"
684 #define FIT_ENTRY_PROP "entry"
685 #define FIT_LOAD_PROP "load"
687 /* configuration node */
688 #define FIT_KERNEL_PROP "kernel"
689 #define FIT_RAMDISK_PROP "ramdisk"
690 #define FIT_FDT_PROP "fdt"
691 #define FIT_DEFAULT_PROP "default"
693 #define FIT_MAX_HASH_LEN 20 /* max(crc32_len(4), sha1_len(20)) */
695 /* cmdline argument format parsing */
696 int fit_parse_conf(const char *spec, ulong addr_curr,
697 ulong *addr, const char **conf_name);
698 int fit_parse_subimage(const char *spec, ulong addr_curr,
699 ulong *addr, const char **image_name);
701 void fit_print_contents(const void *fit);
702 void fit_image_print(const void *fit, int noffset, const char *p);
705 * fit_get_end - get FIT image size
706 * @fit: pointer to the FIT format image header
709 * size of the FIT image (blob) in memory
711 static inline ulong fit_get_size(const void *fit)
713 return fdt_totalsize(fit);
717 * fit_get_end - get FIT image end
718 * @fit: pointer to the FIT format image header
721 * end address of the FIT image (blob) in memory
723 static inline ulong fit_get_end(const void *fit)
725 return (ulong)fit + fdt_totalsize(fit);
729 * fit_get_name - get FIT node name
730 * @fit: pointer to the FIT format image header
734 * pointer to node name, on success
736 static inline const char *fit_get_name(const void *fit_hdr,
737 int noffset, int *len)
739 return fdt_get_name(fit_hdr, noffset, len);
742 int fit_get_desc(const void *fit, int noffset, char **desc);
743 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp);
745 int fit_image_get_node(const void *fit, const char *image_uname);
746 int fit_image_get_os(const void *fit, int noffset, uint8_t *os);
747 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch);
748 int fit_image_get_type(const void *fit, int noffset, uint8_t *type);
749 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp);
750 int fit_image_get_load(const void *fit, int noffset, ulong *load);
751 int fit_image_get_entry(const void *fit, int noffset, ulong *entry);
752 int fit_image_get_data(const void *fit, int noffset,
753 const void **data, size_t *size);
755 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo);
756 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
759 int fit_set_timestamp(void *fit, int noffset, time_t timestamp);
762 * fit_add_verification_data() - add verification data to FIT image nodes
764 * @keydir: Directory containing keys
765 * @kwydest: FDT blob to write public key information to
766 * @fit: Pointer to the FIT format image header
767 * @comment: Comment to add to signature nodes
768 * @require_keys: Mark all keys as 'required'
770 * Adds hash values for all component images in the FIT blob.
771 * Hashes are calculated for all component images which have hash subnodes
772 * with algorithm property set to one of the supported hash algorithms.
774 * Also add signatures if signature nodes are present.
778 * libfdt error code, on failure
780 int fit_add_verification_data(const char *keydir, void *keydest, void *fit,
781 const char *comment, int require_keys);
783 int fit_image_verify(const void *fit, int noffset);
784 int fit_config_verify(const void *fit, int conf_noffset);
785 int fit_all_image_verify(const void *fit);
786 int fit_image_check_os(const void *fit, int noffset, uint8_t os);
787 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch);
788 int fit_image_check_type(const void *fit, int noffset, uint8_t type);
789 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp);
790 int fit_check_format(const void *fit);
792 int fit_conf_find_compat(const void *fit, const void *fdt);
793 int fit_conf_get_node(const void *fit, const char *conf_uname);
796 * fit_conf_get_prop_node() - Get node refered to by a configuration
798 * @noffset: Offset of conf@xxx node to check
799 * @prop_name: Property to read from the conf node
801 * The conf@ nodes contain references to other nodes, using properties
802 * like 'kernel = "kernel@1"'. Given such a property name (e.g. "kernel"),
803 * return the offset of the node referred to (e.g. offset of node
804 * "/images/kernel@1".
806 int fit_conf_get_prop_node(const void *fit, int noffset,
807 const char *prop_name);
809 void fit_conf_print(const void *fit, int noffset, const char *p);
811 int fit_check_ramdisk(const void *fit, int os_noffset,
812 uint8_t arch, int verify);
814 int calculate_hash(const void *data, int data_len, const char *algo,
815 uint8_t *value, int *value_len);
818 * At present we only support signing on the host, and verification on the
821 #if defined(CONFIG_FIT_SIGNATURE)
823 # define IMAGE_ENABLE_SIGN 1
824 # define IMAGE_ENABLE_VERIFY 0
826 # define IMAGE_ENABLE_SIGN 0
827 # define IMAGE_ENABLE_VERIFY 1
830 # define IMAGE_ENABLE_SIGN 0
831 # define IMAGE_ENABLE_VERIFY 0
835 # define gd_fdt_blob() NULL
837 # define gd_fdt_blob() (gd->fdt_blob)
840 #ifdef CONFIG_FIT_BEST_MATCH
841 #define IMAGE_ENABLE_BEST_MATCH 1
843 #define IMAGE_ENABLE_BEST_MATCH 0
846 /* Information passed to the signing routines */
847 struct image_sign_info {
848 const char *keydir; /* Directory conaining keys */
849 const char *keyname; /* Name of key to use */
850 void *fit; /* Pointer to FIT blob */
851 int node_offset; /* Offset of signature node */
852 struct image_sig_algo *algo; /* Algorithm information */
853 const void *fdt_blob; /* FDT containing public keys */
854 int required_keynode; /* Node offset of key to use: -1=any */
855 const char *require_keys; /* Value for 'required' property */
858 /* A part of an image, used for hashing */
859 struct image_region {
864 struct image_sig_algo {
865 const char *name; /* Name of algorithm */
868 * sign() - calculate and return signature for given input data
870 * @info: Specifies key and FIT information
871 * @data: Pointer to the input data
872 * @data_len: Data length
873 * @sigp: Set to an allocated buffer holding the signature
874 * @sig_len: Set to length of the calculated hash
876 * This computes input data signature according to selected algorithm.
877 * Resulting signature value is placed in an allocated buffer, the
878 * pointer is returned as *sigp. The length of the calculated
879 * signature is returned via the sig_len pointer argument. The caller
882 * @return: 0, on success, -ve on error
884 int (*sign)(struct image_sign_info *info,
885 const struct image_region region[],
886 int region_count, uint8_t **sigp, uint *sig_len);
889 * add_verify_data() - Add verification information to FDT
891 * Add public key information to the FDT node, suitable for
892 * verification at run-time. The information added depends on the
893 * algorithm being used.
895 * @info: Specifies key and FIT information
896 * @keydest: Destination FDT blob for public key data
897 * @return: 0, on success, -ve on error
899 int (*add_verify_data)(struct image_sign_info *info, void *keydest);
902 * verify() - Verify a signature against some data
904 * @info: Specifies key and FIT information
905 * @data: Pointer to the input data
906 * @data_len: Data length
908 * @sig_len: Number of bytes in signature
909 * @return 0 if verified, -ve on error
911 int (*verify)(struct image_sign_info *info,
912 const struct image_region region[], int region_count,
913 uint8_t *sig, uint sig_len);
917 * image_get_sig_algo() - Look up a signature algortihm
919 * @param name Name of algorithm
920 * @return pointer to algorithm information, or NULL if not found
922 struct image_sig_algo *image_get_sig_algo(const char *name);
925 * fit_image_verify_required_sigs() - Verify signatures marked as 'required'
928 * @image_noffset: Offset of image node to check
929 * @data: Image data to check
930 * @size: Size of image data
931 * @sig_blob: FDT containing public keys
932 * @no_sigsp: Returns 1 if no signatures were required, and
933 * therefore nothing was checked. The caller may wish
934 * to fall back to other mechanisms, or refuse to
936 * @return 0 if all verified ok, <0 on error
938 int fit_image_verify_required_sigs(const void *fit, int image_noffset,
939 const char *data, size_t size, const void *sig_blob,
943 * fit_image_check_sig() - Check a single image signature node
946 * @noffset: Offset of signature node to check
947 * @data: Image data to check
948 * @size: Size of image data
949 * @required_keynode: Offset in the control FDT of the required key node,
950 * if any. If this is given, then the image wil not
951 * pass verification unless that key is used. If this is
952 * -1 then any signature will do.
953 * @err_msgp: In the event of an error, this will be pointed to a
954 * help error string to display to the user.
955 * @return 0 if all verified ok, <0 on error
957 int fit_image_check_sig(const void *fit, int noffset, const void *data,
958 size_t size, int required_keynode, char **err_msgp);
961 * fit_region_make_list() - Make a list of regions to hash
963 * Given a list of FIT regions (offset, size) provided by libfdt, create
964 * a list of regions (void *, size) for use by the signature creationg
965 * and verification code.
967 * @fit: FIT image to process
968 * @fdt_regions: Regions as returned by libfdt
969 * @count: Number of regions returned by libfdt
970 * @region: Place to put list of regions (NULL to allocate it)
971 * @return pointer to list of regions, or NULL if out of memory
973 struct image_region *fit_region_make_list(const void *fit,
974 struct fdt_region *fdt_regions, int count,
975 struct image_region *region);
977 static inline int fit_image_check_target_arch(const void *fdt, int node)
979 return fit_image_check_arch(fdt, node, IH_ARCH_DEFAULT);
982 #ifdef CONFIG_FIT_VERBOSE
983 #define fit_unsupported(msg) printf("! %s:%d " \
984 "FIT images not supported for '%s'\n", \
985 __FILE__, __LINE__, (msg))
987 #define fit_unsupported_reset(msg) printf("! %s:%d " \
988 "FIT images not supported for '%s' " \
989 "- must reset board to recover!\n", \
990 __FILE__, __LINE__, (msg))
992 #define fit_unsupported(msg)
993 #define fit_unsupported_reset(msg)
994 #endif /* CONFIG_FIT_VERBOSE */
995 #endif /* CONFIG_FIT */
997 #endif /* __IMAGE_H__ */