diff options
Diffstat (limited to 'qemu/roms/u-boot/include/image.h')
| -rw-r--r-- | qemu/roms/u-boot/include/image.h | 1034 |
1 files changed, 1034 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/include/image.h b/qemu/roms/u-boot/include/image.h new file mode 100644 index 000000000..b27877870 --- /dev/null +++ b/qemu/roms/u-boot/include/image.h @@ -0,0 +1,1034 @@ +/* + * (C) Copyright 2008 Semihalf + * + * (C) Copyright 2000-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + ******************************************************************** + * NOTE: This header file defines an interface to U-Boot. Including + * this (unmodified) header file in another file is considered normal + * use of U-Boot, and does *not* fall under the heading of "derived + * work". + ******************************************************************** + */ + +#ifndef __IMAGE_H__ +#define __IMAGE_H__ + +#include "compiler.h" +#include <asm/byteorder.h> + +/* Define this to avoid #ifdefs later on */ +struct lmb; + +#ifdef USE_HOSTCC + +/* new uImage format support enabled on host */ +#define CONFIG_FIT 1 +#define CONFIG_OF_LIBFDT 1 +#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */ + +#define IMAGE_ENABLE_IGNORE 0 +#define IMAGE_INDENT_STRING "" + +#else + +#include <lmb.h> +#include <asm/u-boot.h> +#include <command.h> + +/* Take notice of the 'ignore' property for hashes */ +#define IMAGE_ENABLE_IGNORE 1 +#define IMAGE_INDENT_STRING " " + +#endif /* USE_HOSTCC */ + +#if defined(CONFIG_FIT) +#include <libfdt.h> +#include <fdt_support.h> +# ifdef CONFIG_SPL_BUILD +# ifdef CONFIG_SPL_CRC32_SUPPORT +# define IMAGE_ENABLE_CRC32 1 +# endif +# ifdef CONFIG_SPL_MD5_SUPPORT +# define IMAGE_ENABLE_MD5 1 +# endif +# ifdef CONFIG_SPL_SHA1_SUPPORT +# define IMAGE_ENABLE_SHA1 1 +# endif +# ifdef CONFIG_SPL_SHA256_SUPPORT +# define IMAGE_ENABLE_SHA256 1 +# endif +# else +# define CONFIG_CRC32 /* FIT images need CRC32 support */ +# define CONFIG_MD5 /* and MD5 */ +# define CONFIG_SHA1 /* and SHA1 */ +# define CONFIG_SHA256 /* and SHA256 */ +# define IMAGE_ENABLE_CRC32 1 +# define IMAGE_ENABLE_MD5 1 +# define IMAGE_ENABLE_SHA1 1 +# define IMAGE_ENABLE_SHA256 1 +# endif + +#ifndef IMAGE_ENABLE_CRC32 +#define IMAGE_ENABLE_CRC32 0 +#endif + +#ifndef IMAGE_ENABLE_MD5 +#define IMAGE_ENABLE_MD5 0 +#endif + +#ifndef IMAGE_ENABLE_SHA1 +#define IMAGE_ENABLE_SHA1 0 +#endif + +#ifndef IMAGE_ENABLE_SHA256 +#define IMAGE_ENABLE_SHA256 0 +#endif + +#endif /* CONFIG_FIT */ + +#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH +# define IMAGE_ENABLE_RAMDISK_HIGH 1 +#else +# define IMAGE_ENABLE_RAMDISK_HIGH 0 +#endif + +#ifdef CONFIG_OF_LIBFDT +# define IMAGE_ENABLE_OF_LIBFDT 1 +#else +# define IMAGE_ENABLE_OF_LIBFDT 0 +#endif + +#ifdef CONFIG_SYS_BOOT_GET_CMDLINE +# define IMAGE_BOOT_GET_CMDLINE 1 +#else +# define IMAGE_BOOT_GET_CMDLINE 0 +#endif + +#ifdef CONFIG_OF_BOARD_SETUP +# define IMAGE_OF_BOARD_SETUP 1 +#else +# define IMAGE_OF_BOARD_SETUP 0 +#endif + +/* + * Operating System Codes + */ +#define IH_OS_INVALID 0 /* Invalid OS */ +#define IH_OS_OPENBSD 1 /* OpenBSD */ +#define IH_OS_NETBSD 2 /* NetBSD */ +#define IH_OS_FREEBSD 3 /* FreeBSD */ +#define IH_OS_4_4BSD 4 /* 4.4BSD */ +#define IH_OS_LINUX 5 /* Linux */ +#define IH_OS_SVR4 6 /* SVR4 */ +#define IH_OS_ESIX 7 /* Esix */ +#define IH_OS_SOLARIS 8 /* Solaris */ +#define IH_OS_IRIX 9 /* Irix */ +#define IH_OS_SCO 10 /* SCO */ +#define IH_OS_DELL 11 /* Dell */ +#define IH_OS_NCR 12 /* NCR */ +#define IH_OS_LYNXOS 13 /* LynxOS */ +#define IH_OS_VXWORKS 14 /* VxWorks */ +#define IH_OS_PSOS 15 /* pSOS */ +#define IH_OS_QNX 16 /* QNX */ +#define IH_OS_U_BOOT 17 /* Firmware */ +#define IH_OS_RTEMS 18 /* RTEMS */ +#define IH_OS_ARTOS 19 /* ARTOS */ +#define IH_OS_UNITY 20 /* Unity OS */ +#define IH_OS_INTEGRITY 21 /* INTEGRITY */ +#define IH_OS_OSE 22 /* OSE */ +#define IH_OS_PLAN9 23 /* Plan 9 */ + +/* + * CPU Architecture Codes (supported by Linux) + */ +#define IH_ARCH_INVALID 0 /* Invalid CPU */ +#define IH_ARCH_ALPHA 1 /* Alpha */ +#define IH_ARCH_ARM 2 /* ARM */ +#define IH_ARCH_I386 3 /* Intel x86 */ +#define IH_ARCH_IA64 4 /* IA64 */ +#define IH_ARCH_MIPS 5 /* MIPS */ +#define IH_ARCH_MIPS64 6 /* MIPS 64 Bit */ +#define IH_ARCH_PPC 7 /* PowerPC */ +#define IH_ARCH_S390 8 /* IBM S390 */ +#define IH_ARCH_SH 9 /* SuperH */ +#define IH_ARCH_SPARC 10 /* Sparc */ +#define IH_ARCH_SPARC64 11 /* Sparc 64 Bit */ +#define IH_ARCH_M68K 12 /* M68K */ +#define IH_ARCH_MICROBLAZE 14 /* MicroBlaze */ +#define IH_ARCH_NIOS2 15 /* Nios-II */ +#define IH_ARCH_BLACKFIN 16 /* Blackfin */ +#define IH_ARCH_AVR32 17 /* AVR32 */ +#define IH_ARCH_ST200 18 /* STMicroelectronics ST200 */ +#define IH_ARCH_SANDBOX 19 /* Sandbox architecture (test only) */ +#define IH_ARCH_NDS32 20 /* ANDES Technology - NDS32 */ +#define IH_ARCH_OPENRISC 21 /* OpenRISC 1000 */ +#define IH_ARCH_ARM64 22 /* ARM64 */ +#define IH_ARCH_ARC 23 /* Synopsys DesignWare ARC */ + +/* + * Image Types + * + * "Standalone Programs" are directly runnable in the environment + * provided by U-Boot; it is expected that (if they behave + * well) you can continue to work in U-Boot after return from + * the Standalone Program. + * "OS Kernel Images" are usually images of some Embedded OS which + * will take over control completely. Usually these programs + * will install their own set of exception handlers, device + * drivers, set up the MMU, etc. - this means, that you cannot + * expect to re-enter U-Boot except by resetting the CPU. + * "RAMDisk Images" are more or less just data blocks, and their + * parameters (address, size) are passed to an OS kernel that is + * being started. + * "Multi-File Images" contain several images, typically an OS + * (Linux) kernel image and one or more data images like + * RAMDisks. This construct is useful for instance when you want + * to boot over the network using BOOTP etc., where the boot + * server provides just a single image file, but you want to get + * for instance an OS kernel and a RAMDisk image. + * + * "Multi-File Images" start with a list of image sizes, each + * image size (in bytes) specified by an "uint32_t" in network + * byte order. This list is terminated by an "(uint32_t)0". + * Immediately after the terminating 0 follow the images, one by + * one, all aligned on "uint32_t" boundaries (size rounded up to + * a multiple of 4 bytes - except for the last file). + * + * "Firmware Images" are binary images containing firmware (like + * U-Boot or FPGA images) which usually will be programmed to + * flash memory. + * + * "Script files" are command sequences that will be executed by + * U-Boot's command interpreter; this feature is especially + * useful when you configure U-Boot to use a real shell (hush) + * as command interpreter (=> Shell Scripts). + */ + +#define IH_TYPE_INVALID 0 /* Invalid Image */ +#define IH_TYPE_STANDALONE 1 /* Standalone Program */ +#define IH_TYPE_KERNEL 2 /* OS Kernel Image */ +#define IH_TYPE_RAMDISK 3 /* RAMDisk Image */ +#define IH_TYPE_MULTI 4 /* Multi-File Image */ +#define IH_TYPE_FIRMWARE 5 /* Firmware Image */ +#define IH_TYPE_SCRIPT 6 /* Script file */ +#define IH_TYPE_FILESYSTEM 7 /* Filesystem Image (any type) */ +#define IH_TYPE_FLATDT 8 /* Binary Flat Device Tree Blob */ +#define IH_TYPE_KWBIMAGE 9 /* Kirkwood Boot Image */ +#define IH_TYPE_IMXIMAGE 10 /* Freescale IMXBoot Image */ +#define IH_TYPE_UBLIMAGE 11 /* Davinci UBL Image */ +#define IH_TYPE_OMAPIMAGE 12 /* TI OMAP Config Header Image */ +#define IH_TYPE_AISIMAGE 13 /* TI Davinci AIS Image */ +#define IH_TYPE_KERNEL_NOLOAD 14 /* OS Kernel Image, can run from any load address */ +#define IH_TYPE_PBLIMAGE 15 /* Freescale PBL Boot Image */ +#define IH_TYPE_MXSIMAGE 16 /* Freescale MXSBoot Image */ +#define IH_TYPE_GPIMAGE 17 /* TI Keystone GPHeader Image */ + +/* + * Compression Types + */ +#define IH_COMP_NONE 0 /* No Compression Used */ +#define IH_COMP_GZIP 1 /* gzip Compression Used */ +#define IH_COMP_BZIP2 2 /* bzip2 Compression Used */ +#define IH_COMP_LZMA 3 /* lzma Compression Used */ +#define IH_COMP_LZO 4 /* lzo Compression Used */ + +#define IH_MAGIC 0x27051956 /* Image Magic Number */ +#define IH_NMLEN 32 /* Image Name Length */ + +/* Reused from common.h */ +#define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1)) + +/* + * Legacy format image header, + * all data in network byte order (aka natural aka bigendian). + */ +typedef struct image_header { + __be32 ih_magic; /* Image Header Magic Number */ + __be32 ih_hcrc; /* Image Header CRC Checksum */ + __be32 ih_time; /* Image Creation Timestamp */ + __be32 ih_size; /* Image Data Size */ + __be32 ih_load; /* Data Load Address */ + __be32 ih_ep; /* Entry Point Address */ + __be32 ih_dcrc; /* Image Data CRC Checksum */ + uint8_t ih_os; /* Operating System */ + uint8_t ih_arch; /* CPU architecture */ + uint8_t ih_type; /* Image Type */ + uint8_t ih_comp; /* Compression Type */ + uint8_t ih_name[IH_NMLEN]; /* Image Name */ +} image_header_t; + +typedef struct image_info { + ulong start, end; /* start/end of blob */ + ulong image_start, image_len; /* start of image within blob, len of image */ + ulong load; /* load addr for the image */ + uint8_t comp, type, os; /* compression, type of image, os type */ +} image_info_t; + +/* + * Legacy and FIT format headers used by do_bootm() and do_bootm_<os>() + * routines. + */ +typedef struct bootm_headers { + /* + * Legacy os image header, if it is a multi component image + * then boot_get_ramdisk() and get_fdt() will attempt to get + * data from second and third component accordingly. + */ + image_header_t *legacy_hdr_os; /* image header pointer */ + image_header_t legacy_hdr_os_copy; /* header copy */ + ulong legacy_hdr_valid; + +#if defined(CONFIG_FIT) + const char *fit_uname_cfg; /* configuration node unit name */ + + void *fit_hdr_os; /* os FIT image header */ + const char *fit_uname_os; /* os subimage node unit name */ + int fit_noffset_os; /* os subimage node offset */ + + void *fit_hdr_rd; /* init ramdisk FIT image header */ + const char *fit_uname_rd; /* init ramdisk subimage node unit name */ + int fit_noffset_rd; /* init ramdisk subimage node offset */ + + void *fit_hdr_fdt; /* FDT blob FIT image header */ + const char *fit_uname_fdt; /* FDT blob subimage node unit name */ + int fit_noffset_fdt;/* FDT blob subimage node offset */ +#endif + +#ifndef USE_HOSTCC + image_info_t os; /* os image info */ + ulong ep; /* entry point of OS */ + + ulong rd_start, rd_end;/* ramdisk start/end */ + + char *ft_addr; /* flat dev tree address */ + ulong ft_len; /* length of flat device tree */ + + ulong initrd_start; + ulong initrd_end; + ulong cmdline_start; + ulong cmdline_end; + bd_t *kbd; +#endif + + int verify; /* getenv("verify")[0] != 'n' */ + +#define BOOTM_STATE_START (0x00000001) +#define BOOTM_STATE_FINDOS (0x00000002) +#define BOOTM_STATE_FINDOTHER (0x00000004) +#define BOOTM_STATE_LOADOS (0x00000008) +#define BOOTM_STATE_RAMDISK (0x00000010) +#define BOOTM_STATE_FDT (0x00000020) +#define BOOTM_STATE_OS_CMDLINE (0x00000040) +#define BOOTM_STATE_OS_BD_T (0x00000080) +#define BOOTM_STATE_OS_PREP (0x00000100) +#define BOOTM_STATE_OS_FAKE_GO (0x00000200) /* 'Almost' run the OS */ +#define BOOTM_STATE_OS_GO (0x00000400) + int state; + +#ifdef CONFIG_LMB + struct lmb lmb; /* for memory mgmt */ +#endif +} bootm_headers_t; + +extern bootm_headers_t images; + +/* + * Some systems (for example LWMON) have very short watchdog periods; + * we must make sure to split long operations like memmove() or + * checksum calculations into reasonable chunks. + */ +#ifndef CHUNKSZ +#define CHUNKSZ (64 * 1024) +#endif + +#ifndef CHUNKSZ_CRC32 +#define CHUNKSZ_CRC32 (64 * 1024) +#endif + +#ifndef CHUNKSZ_MD5 +#define CHUNKSZ_MD5 (64 * 1024) +#endif + +#ifndef CHUNKSZ_SHA1 +#define CHUNKSZ_SHA1 (64 * 1024) +#endif + +#define uimage_to_cpu(x) be32_to_cpu(x) +#define cpu_to_uimage(x) cpu_to_be32(x) + +/* + * Translation table for entries of a specific type; used by + * get_table_entry_id() and get_table_entry_name(). + */ +typedef struct table_entry { + int id; + char *sname; /* short (input) name to find table entry */ + char *lname; /* long (output) name to print for messages */ +} table_entry_t; + +/* + * get_table_entry_id() scans the translation table trying to find an + * entry that matches the given short name. If a matching entry is + * found, it's id is returned to the caller. + */ +int get_table_entry_id(const table_entry_t *table, + const char *table_name, const char *name); +/* + * get_table_entry_name() scans the translation table trying to find + * an entry that matches the given id. If a matching entry is found, + * its long name is returned to the caller. + */ +char *get_table_entry_name(const table_entry_t *table, char *msg, int id); + +const char *genimg_get_os_name(uint8_t os); +const char *genimg_get_arch_name(uint8_t arch); +const char *genimg_get_type_name(uint8_t type); +const char *genimg_get_comp_name(uint8_t comp); +int genimg_get_os_id(const char *name); +int genimg_get_arch_id(const char *name); +int genimg_get_type_id(const char *name); +int genimg_get_comp_id(const char *name); +void genimg_print_size(uint32_t size); + +#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || \ + defined(USE_HOSTCC) +#define IMAGE_ENABLE_TIMESTAMP 1 +#else +#define IMAGE_ENABLE_TIMESTAMP 0 +#endif +void genimg_print_time(time_t timestamp); + +/* What to do with a image load address ('load = <> 'in the FIT) */ +enum fit_load_op { + FIT_LOAD_IGNORED, /* Ignore load address */ + FIT_LOAD_OPTIONAL, /* Can be provided, but optional */ + FIT_LOAD_REQUIRED, /* Must be provided */ +}; + +#ifndef USE_HOSTCC +/* Image format types, returned by _get_format() routine */ +#define IMAGE_FORMAT_INVALID 0x00 +#define IMAGE_FORMAT_LEGACY 0x01 /* legacy image_header based format */ +#define IMAGE_FORMAT_FIT 0x02 /* new, libfdt based format */ + +int genimg_get_format(const void *img_addr); +int genimg_has_config(bootm_headers_t *images); +ulong genimg_get_image(ulong img_addr); + +int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, + uint8_t arch, ulong *rd_start, ulong *rd_end); + +/** + * fit_image_load() - load an image from a FIT + * + * This deals with all aspects of loading an image from a FIT, including + * selecting the right image based on configuration, verifying it, printing + * out progress messages, checking the type/arch/os and optionally copying it + * to the right load address. + * + * @param images Boot images structure + * @param prop_name Property name to look up (FIT_..._PROP) + * @param addr Address of FIT in memory + * @param fit_unamep On entry this is the requested image name + * (e.g. "kernel@1") or NULL to use the default. On exit + * points to the selected image name + * @param fit_uname_configp On entry this is the requested configuration + * name (e.g. "conf@1") or NULL to use the default. On + * exit points to the selected configuration name. + * @param arch Expected architecture (IH_ARCH_...) + * @param image_type Required image type (IH_TYPE_...). If this is + * IH_TYPE_KERNEL then we allow IH_TYPE_KERNEL_NOLOAD + * also. + * @param bootstage_id ID of starting bootstage to use for progress updates. + * This will be added to the BOOTSTAGE_SUB values when + * calling bootstage_mark() + * @param load_op Decribes what to do with the load address + * @param datap Returns address of loaded image + * @param lenp Returns length of loaded image + */ +int fit_image_load(bootm_headers_t *images, const char *prop_name, ulong addr, + const char **fit_unamep, const char **fit_uname_configp, + int arch, int image_type, int bootstage_id, + enum fit_load_op load_op, ulong *datap, ulong *lenp); + +/** + * fit_get_node_from_config() - Look up an image a FIT by type + * + * This looks in the selected conf@ node (images->fit_uname_cfg) for a + * particular image type (e.g. "kernel") and then finds the image that is + * referred to. + * + * For example, for something like: + * + * images { + * kernel@1 { + * ... + * }; + * }; + * configurations { + * conf@1 { + * kernel = "kernel@1"; + * }; + * }; + * + * the function will return the node offset of the kernel@1 node, assuming + * that conf@1 is the chosen configuration. + * + * @param images Boot images structure + * @param prop_name Property name to look up (FIT_..._PROP) + * @param addr Address of FIT in memory + */ +int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name, + ulong addr); + +int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch, + bootm_headers_t *images, + char **of_flat_tree, ulong *of_size); +void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob); +int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size); + +int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, + ulong *initrd_start, ulong *initrd_end); +int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end); +#ifdef CONFIG_SYS_BOOT_GET_KBD +int boot_get_kbd(struct lmb *lmb, bd_t **kbd); +#endif /* CONFIG_SYS_BOOT_GET_KBD */ +#endif /* !USE_HOSTCC */ + +/*******************************************************************/ +/* Legacy format specific code (prefixed with image_) */ +/*******************************************************************/ +static inline uint32_t image_get_header_size(void) +{ + return (sizeof(image_header_t)); +} + +#define image_get_hdr_l(f) \ + static inline uint32_t image_get_##f(const image_header_t *hdr) \ + { \ + return uimage_to_cpu(hdr->ih_##f); \ + } +image_get_hdr_l(magic) /* image_get_magic */ +image_get_hdr_l(hcrc) /* image_get_hcrc */ +image_get_hdr_l(time) /* image_get_time */ +image_get_hdr_l(size) /* image_get_size */ +image_get_hdr_l(load) /* image_get_load */ +image_get_hdr_l(ep) /* image_get_ep */ +image_get_hdr_l(dcrc) /* image_get_dcrc */ + +#define image_get_hdr_b(f) \ + static inline uint8_t image_get_##f(const image_header_t *hdr) \ + { \ + return hdr->ih_##f; \ + } +image_get_hdr_b(os) /* image_get_os */ +image_get_hdr_b(arch) /* image_get_arch */ +image_get_hdr_b(type) /* image_get_type */ +image_get_hdr_b(comp) /* image_get_comp */ + +static inline char *image_get_name(const image_header_t *hdr) +{ + return (char *)hdr->ih_name; +} + +static inline uint32_t image_get_data_size(const image_header_t *hdr) +{ + return image_get_size(hdr); +} + +/** + * image_get_data - get image payload start address + * @hdr: image header + * + * image_get_data() returns address of the image payload. For single + * component images it is image data start. For multi component + * images it points to the null terminated table of sub-images sizes. + * + * returns: + * image payload data start address + */ +static inline ulong image_get_data(const image_header_t *hdr) +{ + return ((ulong)hdr + image_get_header_size()); +} + +static inline uint32_t image_get_image_size(const image_header_t *hdr) +{ + return (image_get_size(hdr) + image_get_header_size()); +} +static inline ulong image_get_image_end(const image_header_t *hdr) +{ + return ((ulong)hdr + image_get_image_size(hdr)); +} + +#define image_set_hdr_l(f) \ + static inline void image_set_##f(image_header_t *hdr, uint32_t val) \ + { \ + hdr->ih_##f = cpu_to_uimage(val); \ + } +image_set_hdr_l(magic) /* image_set_magic */ +image_set_hdr_l(hcrc) /* image_set_hcrc */ +image_set_hdr_l(time) /* image_set_time */ +image_set_hdr_l(size) /* image_set_size */ +image_set_hdr_l(load) /* image_set_load */ +image_set_hdr_l(ep) /* image_set_ep */ +image_set_hdr_l(dcrc) /* image_set_dcrc */ + +#define image_set_hdr_b(f) \ + static inline void image_set_##f(image_header_t *hdr, uint8_t val) \ + { \ + hdr->ih_##f = val; \ + } +image_set_hdr_b(os) /* image_set_os */ +image_set_hdr_b(arch) /* image_set_arch */ +image_set_hdr_b(type) /* image_set_type */ +image_set_hdr_b(comp) /* image_set_comp */ + +static inline void image_set_name(image_header_t *hdr, const char *name) +{ + strncpy(image_get_name(hdr), name, IH_NMLEN); +} + +int image_check_hcrc(const image_header_t *hdr); +int image_check_dcrc(const image_header_t *hdr); +#ifndef USE_HOSTCC +ulong getenv_bootm_low(void); +phys_size_t getenv_bootm_size(void); +phys_size_t getenv_bootm_mapsize(void); +void memmove_wd(void *to, void *from, size_t len, ulong chunksz); +#endif + +static inline int image_check_magic(const image_header_t *hdr) +{ + return (image_get_magic(hdr) == IH_MAGIC); +} +static inline int image_check_type(const image_header_t *hdr, uint8_t type) +{ + return (image_get_type(hdr) == type); +} +static inline int image_check_arch(const image_header_t *hdr, uint8_t arch) +{ + return (image_get_arch(hdr) == arch); +} +static inline int image_check_os(const image_header_t *hdr, uint8_t os) +{ + return (image_get_os(hdr) == os); +} + +ulong image_multi_count(const image_header_t *hdr); +void image_multi_getimg(const image_header_t *hdr, ulong idx, + ulong *data, ulong *len); + +void image_print_contents(const void *hdr); + +#ifndef USE_HOSTCC +static inline int image_check_target_arch(const image_header_t *hdr) +{ +#ifndef IH_ARCH_DEFAULT +# error "please define IH_ARCH_DEFAULT in your arch asm/u-boot.h" +#endif + return image_check_arch(hdr, IH_ARCH_DEFAULT); +} +#endif /* USE_HOSTCC */ + +/** + * Set up properties in the FDT + * + * This sets up properties in the FDT that is to be passed to linux. + * + * @images: Images information + * @blob: FDT to update + * @of_size: Size of the FDT + * @lmb: Points to logical memory block structure + * @return 0 if ok, <0 on failure + */ +int image_setup_libfdt(bootm_headers_t *images, void *blob, + int of_size, struct lmb *lmb); + +/** + * Set up the FDT to use for booting a kernel + * + * This performs ramdisk setup, sets up the FDT if required, and adds + * paramters to the FDT if libfdt is available. + * + * @param images Images information + * @return 0 if ok, <0 on failure + */ +int image_setup_linux(bootm_headers_t *images); + +/** + * bootz_setup() - Extract stat and size of a Linux xImage + * + * @image: Address of image + * @start: Returns start address of image + * @end : Returns end address of image + * @return 0 if OK, 1 if the image was not recognised + */ +int bootz_setup(ulong image, ulong *start, ulong *end); + + +/*******************************************************************/ +/* New uImage format specific code (prefixed with fit_) */ +/*******************************************************************/ +#if defined(CONFIG_FIT) + +#define FIT_IMAGES_PATH "/images" +#define FIT_CONFS_PATH "/configurations" + +/* hash/signature node */ +#define FIT_HASH_NODENAME "hash" +#define FIT_ALGO_PROP "algo" +#define FIT_VALUE_PROP "value" +#define FIT_IGNORE_PROP "uboot-ignore" +#define FIT_SIG_NODENAME "signature" + +/* image node */ +#define FIT_DATA_PROP "data" +#define FIT_TIMESTAMP_PROP "timestamp" +#define FIT_DESC_PROP "description" +#define FIT_ARCH_PROP "arch" +#define FIT_TYPE_PROP "type" +#define FIT_OS_PROP "os" +#define FIT_COMP_PROP "compression" +#define FIT_ENTRY_PROP "entry" +#define FIT_LOAD_PROP "load" + +/* configuration node */ +#define FIT_KERNEL_PROP "kernel" +#define FIT_RAMDISK_PROP "ramdisk" +#define FIT_FDT_PROP "fdt" +#define FIT_DEFAULT_PROP "default" + +#define FIT_MAX_HASH_LEN 20 /* max(crc32_len(4), sha1_len(20)) */ + +/* cmdline argument format parsing */ +int fit_parse_conf(const char *spec, ulong addr_curr, + ulong *addr, const char **conf_name); +int fit_parse_subimage(const char *spec, ulong addr_curr, + ulong *addr, const char **image_name); + +void fit_print_contents(const void *fit); +void fit_image_print(const void *fit, int noffset, const char *p); + +/** + * fit_get_end - get FIT image size + * @fit: pointer to the FIT format image header + * + * returns: + * size of the FIT image (blob) in memory + */ +static inline ulong fit_get_size(const void *fit) +{ + return fdt_totalsize(fit); +} + +/** + * fit_get_end - get FIT image end + * @fit: pointer to the FIT format image header + * + * returns: + * end address of the FIT image (blob) in memory + */ +static inline ulong fit_get_end(const void *fit) +{ + return (ulong)fit + fdt_totalsize(fit); +} + +/** + * fit_get_name - get FIT node name + * @fit: pointer to the FIT format image header + * + * returns: + * NULL, on error + * pointer to node name, on success + */ +static inline const char *fit_get_name(const void *fit_hdr, + int noffset, int *len) +{ + return fdt_get_name(fit_hdr, noffset, len); +} + +int fit_get_desc(const void *fit, int noffset, char **desc); +int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp); + +int fit_image_get_node(const void *fit, const char *image_uname); +int fit_image_get_os(const void *fit, int noffset, uint8_t *os); +int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch); +int fit_image_get_type(const void *fit, int noffset, uint8_t *type); +int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp); +int fit_image_get_load(const void *fit, int noffset, ulong *load); +int fit_image_get_entry(const void *fit, int noffset, ulong *entry); +int fit_image_get_data(const void *fit, int noffset, + const void **data, size_t *size); + +int fit_image_hash_get_algo(const void *fit, int noffset, char **algo); +int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, + int *value_len); + +int fit_set_timestamp(void *fit, int noffset, time_t timestamp); + +/** + * fit_add_verification_data() - add verification data to FIT image nodes + * + * @keydir: Directory containing keys + * @kwydest: FDT blob to write public key information to + * @fit: Pointer to the FIT format image header + * @comment: Comment to add to signature nodes + * @require_keys: Mark all keys as 'required' + * + * Adds hash values for all component images in the FIT blob. + * Hashes are calculated for all component images which have hash subnodes + * with algorithm property set to one of the supported hash algorithms. + * + * Also add signatures if signature nodes are present. + * + * returns + * 0, on success + * libfdt error code, on failure + */ +int fit_add_verification_data(const char *keydir, void *keydest, void *fit, + const char *comment, int require_keys); + +int fit_image_verify(const void *fit, int noffset); +int fit_config_verify(const void *fit, int conf_noffset); +int fit_all_image_verify(const void *fit); +int fit_image_check_os(const void *fit, int noffset, uint8_t os); +int fit_image_check_arch(const void *fit, int noffset, uint8_t arch); +int fit_image_check_type(const void *fit, int noffset, uint8_t type); +int fit_image_check_comp(const void *fit, int noffset, uint8_t comp); +int fit_check_format(const void *fit); + +int fit_conf_find_compat(const void *fit, const void *fdt); +int fit_conf_get_node(const void *fit, const char *conf_uname); + +/** + * fit_conf_get_prop_node() - Get node refered to by a configuration + * @fit: FIT to check + * @noffset: Offset of conf@xxx node to check + * @prop_name: Property to read from the conf node + * + * The conf@ nodes contain references to other nodes, using properties + * like 'kernel = "kernel@1"'. Given such a property name (e.g. "kernel"), + * return the offset of the node referred to (e.g. offset of node + * "/images/kernel@1". + */ +int fit_conf_get_prop_node(const void *fit, int noffset, + const char *prop_name); + +void fit_conf_print(const void *fit, int noffset, const char *p); + +int fit_check_ramdisk(const void *fit, int os_noffset, + uint8_t arch, int verify); + +int calculate_hash(const void *data, int data_len, const char *algo, + uint8_t *value, int *value_len); + +/* + * At present we only support signing on the host, and verification on the + * device + */ +#if defined(CONFIG_FIT_SIGNATURE) +# ifdef USE_HOSTCC +# define IMAGE_ENABLE_SIGN 1 +# define IMAGE_ENABLE_VERIFY 1 +# include <openssl/evp.h> +#else +# define IMAGE_ENABLE_SIGN 0 +# define IMAGE_ENABLE_VERIFY 1 +# endif +#else +# define IMAGE_ENABLE_SIGN 0 +# define IMAGE_ENABLE_VERIFY 0 +#endif + +#ifdef USE_HOSTCC +void *image_get_host_blob(void); +void image_set_host_blob(void *host_blob); +# define gd_fdt_blob() image_get_host_blob() +#else +# define gd_fdt_blob() (gd->fdt_blob) +#endif + +#ifdef CONFIG_FIT_BEST_MATCH +#define IMAGE_ENABLE_BEST_MATCH 1 +#else +#define IMAGE_ENABLE_BEST_MATCH 0 +#endif + +/* Information passed to the signing routines */ +struct image_sign_info { + const char *keydir; /* Directory conaining keys */ + const char *keyname; /* Name of key to use */ + void *fit; /* Pointer to FIT blob */ + int node_offset; /* Offset of signature node */ + struct image_sig_algo *algo; /* Algorithm information */ + const void *fdt_blob; /* FDT containing public keys */ + int required_keynode; /* Node offset of key to use: -1=any */ + const char *require_keys; /* Value for 'required' property */ +}; + +/* A part of an image, used for hashing */ +struct image_region { + const void *data; + int size; +}; + +#if IMAGE_ENABLE_VERIFY +# include <rsa-checksum.h> +#endif +struct checksum_algo { + const char *name; + const int checksum_len; + const int pad_len; +#if IMAGE_ENABLE_SIGN + const EVP_MD *(*calculate_sign)(void); +#endif + void (*calculate)(const struct image_region region[], + int region_count, uint8_t *checksum); + const uint8_t *rsa_padding; +}; + +struct image_sig_algo { + const char *name; /* Name of algorithm */ + + /** + * sign() - calculate and return signature for given input data + * + * @info: Specifies key and FIT information + * @data: Pointer to the input data + * @data_len: Data length + * @sigp: Set to an allocated buffer holding the signature + * @sig_len: Set to length of the calculated hash + * + * This computes input data signature according to selected algorithm. + * Resulting signature value is placed in an allocated buffer, the + * pointer is returned as *sigp. The length of the calculated + * signature is returned via the sig_len pointer argument. The caller + * should free *sigp. + * + * @return: 0, on success, -ve on error + */ + int (*sign)(struct image_sign_info *info, + const struct image_region region[], + int region_count, uint8_t **sigp, uint *sig_len); + + /** + * add_verify_data() - Add verification information to FDT + * + * Add public key information to the FDT node, suitable for + * verification at run-time. The information added depends on the + * algorithm being used. + * + * @info: Specifies key and FIT information + * @keydest: Destination FDT blob for public key data + * @return: 0, on success, -ve on error + */ + int (*add_verify_data)(struct image_sign_info *info, void *keydest); + + /** + * verify() - Verify a signature against some data + * + * @info: Specifies key and FIT information + * @data: Pointer to the input data + * @data_len: Data length + * @sig: Signature + * @sig_len: Number of bytes in signature + * @return 0 if verified, -ve on error + */ + int (*verify)(struct image_sign_info *info, + const struct image_region region[], int region_count, + uint8_t *sig, uint sig_len); + + /* pointer to checksum algorithm */ + struct checksum_algo *checksum; +}; + +/** + * image_get_sig_algo() - Look up a signature algortihm + * + * @param name Name of algorithm + * @return pointer to algorithm information, or NULL if not found + */ +struct image_sig_algo *image_get_sig_algo(const char *name); + +/** + * fit_image_verify_required_sigs() - Verify signatures marked as 'required' + * + * @fit: FIT to check + * @image_noffset: Offset of image node to check + * @data: Image data to check + * @size: Size of image data + * @sig_blob: FDT containing public keys + * @no_sigsp: Returns 1 if no signatures were required, and + * therefore nothing was checked. The caller may wish + * to fall back to other mechanisms, or refuse to + * boot. + * @return 0 if all verified ok, <0 on error + */ +int fit_image_verify_required_sigs(const void *fit, int image_noffset, + const char *data, size_t size, const void *sig_blob, + int *no_sigsp); + +/** + * fit_image_check_sig() - Check a single image signature node + * + * @fit: FIT to check + * @noffset: Offset of signature node to check + * @data: Image data to check + * @size: Size of image data + * @required_keynode: Offset in the control FDT of the required key node, + * if any. If this is given, then the image wil not + * pass verification unless that key is used. If this is + * -1 then any signature will do. + * @err_msgp: In the event of an error, this will be pointed to a + * help error string to display to the user. + * @return 0 if all verified ok, <0 on error + */ +int fit_image_check_sig(const void *fit, int noffset, const void *data, + size_t size, int required_keynode, char **err_msgp); + +/** + * fit_region_make_list() - Make a list of regions to hash + * + * Given a list of FIT regions (offset, size) provided by libfdt, create + * a list of regions (void *, size) for use by the signature creationg + * and verification code. + * + * @fit: FIT image to process + * @fdt_regions: Regions as returned by libfdt + * @count: Number of regions returned by libfdt + * @region: Place to put list of regions (NULL to allocate it) + * @return pointer to list of regions, or NULL if out of memory + */ +struct image_region *fit_region_make_list(const void *fit, + struct fdt_region *fdt_regions, int count, + struct image_region *region); + +static inline int fit_image_check_target_arch(const void *fdt, int node) +{ +#ifndef USE_HOSTCC + return fit_image_check_arch(fdt, node, IH_ARCH_DEFAULT); +#else + return 0; +#endif +} + +#ifdef CONFIG_FIT_VERBOSE +#define fit_unsupported(msg) printf("! %s:%d " \ + "FIT images not supported for '%s'\n", \ + __FILE__, __LINE__, (msg)) + +#define fit_unsupported_reset(msg) printf("! %s:%d " \ + "FIT images not supported for '%s' " \ + "- must reset board to recover!\n", \ + __FILE__, __LINE__, (msg)) +#else +#define fit_unsupported(msg) +#define fit_unsupported_reset(msg) +#endif /* CONFIG_FIT_VERBOSE */ +#endif /* CONFIG_FIT */ + +#endif /* __IMAGE_H__ */ |