diff options
Diffstat (limited to 'include/image.h')
| -rw-r--r-- | include/image.h | 105 |
1 files changed, 98 insertions, 7 deletions
diff --git a/include/image.h b/include/image.h index b8cc5236a..8ccc00b76 100644 --- a/include/image.h +++ b/include/image.h @@ -402,6 +402,13 @@ void genimg_print_size(uint32_t size); #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 @@ -415,8 +422,71 @@ 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); -int boot_get_fdt(int flag, int argc, char * const argv[], - bootm_headers_t *images, char **of_flat_tree, ulong *of_size); +/** + * 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_config Requested configuration name, or NULL for the + * default + * @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_config, + 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); @@ -697,6 +767,7 @@ int fit_set_timestamp(void *fit, int noffset, time_t timestamp); int fit_add_verification_data(void *fit); 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); @@ -706,9 +777,6 @@ 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); -int fit_conf_get_kernel_node(const void *fit, int noffset); -int fit_conf_get_ramdisk_node(const void *fit, int noffset); -int fit_conf_get_fdt_node(const void *fit, int noffset); /** * fit_conf_get_prop_node() - Get node refered to by a configuration @@ -732,12 +800,35 @@ int fit_check_ramdisk(const void *fit, int os_noffset, int calculate_hash(const void *data, int data_len, const char *algo, uint8_t *value, int *value_len); -#ifndef USE_HOSTCC +/* + * At present we only support verification on the device + */ +#if defined(CONFIG_FIT_SIGNATURE) +# ifdef USE_HOSTCC +# define IMAGE_ENABLE_VERIFY 0 +#else +# define IMAGE_ENABLE_VERIFY 1 +# endif +#else +# define IMAGE_ENABLE_VERIFY 0 +#endif + +#ifdef USE_HOSTCC +# define gd_fdt_blob() NULL +#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 + static inline int fit_image_check_target_arch(const void *fdt, int node) { return fit_image_check_arch(fdt, node, IH_ARCH_DEFAULT); } -#endif /* USE_HOSTCC */ #ifdef CONFIG_FIT_VERBOSE #define fit_unsupported(msg) printf("! %s:%d " \ |