EFI_GUID(0xe61d73b9, 0xa384, 0x4acc, \
0xae, 0xab, 0x82, 0xe8, 0x28, 0xf3, 0x62, 0x8b)
+/* Root node */
+extern efi_handle_t efi_root;
+
int __efi_entry_check(void);
int __efi_exit_check(void);
const char *__efi_nesting(void);
/* implementation of the EFI_DEVICE_PATH_UTILITIES_PROTOCOL */
extern const struct efi_device_path_utilities_protocol
efi_device_path_utilities;
-/* Implementation of the EFI_UNICODE_COLLATION_PROTOCOL */
+/* deprecated version of the EFI_UNICODE_COLLATION_PROTOCOL */
extern const struct efi_unicode_collation_protocol
efi_unicode_collation_protocol;
+/* current version of the EFI_UNICODE_COLLATION_PROTOCOL */
+extern const struct efi_unicode_collation_protocol
+ efi_unicode_collation_protocol2;
+extern const struct efi_hii_config_routing_protocol efi_hii_config_routing;
+extern const struct efi_hii_config_access_protocol efi_hii_config_access;
+extern const struct efi_hii_database_protocol efi_hii_database;
+extern const struct efi_hii_string_protocol efi_hii_string;
uint16_t *efi_dp_str(struct efi_device_path *dp);
/* GUID of the device tree table */
extern const efi_guid_t efi_guid_fdt;
extern const efi_guid_t efi_guid_loaded_image;
+extern const efi_guid_t efi_guid_loaded_image_device_path;
extern const efi_guid_t efi_guid_device_path_to_text_protocol;
extern const efi_guid_t efi_simple_file_system_protocol_guid;
extern const efi_guid_t efi_file_info_guid;
/* GUID for file system information */
extern const efi_guid_t efi_file_system_info_guid;
extern const efi_guid_t efi_guid_device_path_utilities_protocol;
-/* GUID of the Unicode collation protocol */
+/* GUID of the deprecated Unicode collation protocol */
extern const efi_guid_t efi_guid_unicode_collation_protocol;
+/* GUID of the Unicode collation protocol */
+extern const efi_guid_t efi_guid_unicode_collation_protocol2;
+extern const efi_guid_t efi_guid_hii_config_routing_protocol;
+extern const efi_guid_t efi_guid_hii_config_access_protocol;
+extern const efi_guid_t efi_guid_hii_database_protocol;
+extern const efi_guid_t efi_guid_hii_string_protocol;
extern unsigned int __efi_runtime_start, __efi_runtime_stop;
extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
-/*
+/**
+ * struct efi_open_protocol_info_item - open protocol info item
+ *
* When a protocol is opened a open protocol info entry is created.
* These are maintained in a list.
+ *
+ * @link: link to the list of open protocol info entries of a protocol
+ * @info: information about the opening of a protocol
*/
struct efi_open_protocol_info_item {
- /* Link to the list of open protocol info entries of a protocol */
struct list_head link;
struct efi_open_protocol_info_entry info;
};
-/*
+/**
+ * struct efi_handler - single protocol interface of a handle
+ *
* When the UEFI payload wants to open a protocol on an object to get its
* interface (usually a struct with callback functions), this struct maps the
* protocol GUID to the respective protocol interface
+ *
+ * @link: link to the list of protocols of a handle
+ * @guid: GUID of the protocol
+ * @protocol_interface: protocol interface
+ * @open_infos link to the list of open protocol info items
*/
struct efi_handler {
- /* Link to the list of protocols of a handle */
struct list_head link;
const efi_guid_t *guid;
void *protocol_interface;
- /* Link to the list of open protocol info items */
struct list_head open_infos;
};
/**
+ * enum efi_object_type - type of EFI object
+ *
+ * In UnloadImage we must be able to identify if the handle relates to a
+ * started image.
+ */
+enum efi_object_type {
+ EFI_OBJECT_TYPE_UNDEFINED = 0,
+ EFI_OBJECT_TYPE_U_BOOT_FIRMWARE,
+ EFI_OBJECT_TYPE_LOADED_IMAGE,
+ EFI_OBJECT_TYPE_STARTED_IMAGE,
+};
+
+/**
* struct efi_object - dereferenced EFI handle
*
* @link: pointers to put the handle into a linked list
struct list_head link;
/* The list of protocols */
struct list_head protocols;
+ enum efi_object_type type;
};
/**
* struct efi_loaded_image_obj - handle of a loaded image
*
* @header: EFI object header
- * @reloc_base: base address for the relocated image
- * @reloc_size: size of the relocated image
+ * @exit_status: exit status passed to Exit()
+ * @exit_data_size: exit data size passed to Exit()
+ * @exit_data: exit data passed to Exit()
* @exit_jmp: long jump buffer for returning form started image
* @entry: entry address of the relocated image
*/
struct efi_loaded_image_obj {
struct efi_object header;
- void *reloc_base;
- aligned_u64 reloc_size;
efi_status_t exit_status;
+ efi_uintn_t *exit_data_size;
+ u16 **exit_data;
struct jmp_buf_data exit_jmp;
EFIAPI efi_status_t (*entry)(efi_handle_t image_handle,
struct efi_system_table *st);
+ u16 image_type;
};
/**
* struct efi_event
*
* @link: Link to list of all events
+ * @queue_link: Link to the list of queued events
* @type: Type of event, see efi_create_event
* @notify_tpl: Task priority level of notifications
* @nofify_function: Function to call when the event is triggered
* @trigger_time: Period of the timer
* @trigger_next: Next time to trigger the timer
* @trigger_type: Type of timer, see efi_set_timer
- * @is_queued: The notification function is queued
* @is_signaled: The event occurred. The event is in the signaled state.
*/
struct efi_event {
struct list_head link;
+ struct list_head queue_link;
uint32_t type;
efi_uintn_t notify_tpl;
void (EFIAPI *notify_function)(struct efi_event *event, void *context);
u64 trigger_next;
u64 trigger_time;
enum efi_timer_delay trigger_type;
- bool is_queued;
bool is_signaled;
};
/* List of all events */
extern struct list_head efi_events;
+/**
+ * struct efi_protocol_notification - handle for notified protocol
+ *
+ * When a protocol interface is installed for which an event was registered with
+ * the RegisterProtocolNotify() service this structure is used to hold the
+ * handle on which the protocol interface was installed.
+ *
+ * @link: link to list of all handles notified for this event
+ * @handle: handle on which the notified protocol interface was installed
+ */
+struct efi_protocol_notification {
+ struct list_head link;
+ efi_handle_t handle;
+};
+
+/**
+ * efi_register_notify_event - event registered by RegisterProtocolNotify()
+ *
+ * The address of this structure serves as registration value.
+ *
+ * @link: link to list of all registered events
+ * @event: registered event. The same event may registered for multiple
+ * GUIDs.
+ * @protocol: protocol for which the event is registered
+ * @handles: linked list of all handles on which the notified protocol was
+ * installed
+ */
+struct efi_register_notify_event {
+ struct list_head link;
+ struct efi_event *event;
+ efi_guid_t protocol;
+ struct list_head handles;
+};
+
+/* List of all events registered by RegisterProtocolNotify() */
+extern struct list_head efi_register_notify_events;
+
+/* Initialize efi execution environment */
+efi_status_t efi_init_obj_list(void);
+/* Initialize variable services */
+efi_status_t efi_init_variables(void);
+/* Notify ExitBootServices() is called */
+void efi_variables_boot_exit_notify(void);
/* Called by bootefi to initialize root node */
efi_status_t efi_root_node_register(void);
/* Called by bootefi to initialize runtime */
efi_status_t efi_initialize_system_table(void);
+/* efi_runtime_detach() - detach unimplemented runtime functions */
+void efi_runtime_detach(void);
/* Called by bootefi to make console interface available */
efi_status_t efi_console_register(void);
/* Called by bootefi to make all disk storage accessible as EFI objects */
/* Called from places to check whether a timer expired */
void efi_timer_check(void);
/* PE loader implementation */
-void *efi_load_pe(struct efi_loaded_image_obj *handle, void *efi,
- struct efi_loaded_image *loaded_image_info);
+efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle, void *efi,
+ struct efi_loaded_image *loaded_image_info);
/* Called once to store the pristine gd pointer */
void efi_save_gd(void);
/* Special case handler for error/abort that just tries to dtrt to get
void efi_delete_handle(efi_handle_t obj);
/* Call this to validate a handle and find the EFI object for it */
struct efi_object *efi_search_obj(const efi_handle_t handle);
+/* Load image */
+efi_status_t EFIAPI efi_load_image(bool boot_policy,
+ efi_handle_t parent_image,
+ struct efi_device_path *file_path,
+ void *source_buffer,
+ efi_uintn_t source_size,
+ efi_handle_t *image_handle);
+/* Start image */
+efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
+ efi_uintn_t *exit_data_size,
+ u16 **exit_data);
+/* Unload image */
+efi_status_t EFIAPI efi_unload_image(efi_handle_t image_handle);
/* Find a protocol on a handle */
efi_status_t efi_search_protocol(const efi_handle_t handle,
const efi_guid_t *protocol_guid,
void *protocol_interface);
/* Delete all protocols from a handle */
efi_status_t efi_remove_all_protocols(const efi_handle_t handle);
+/* Install multiple protocol interfaces */
+efi_status_t EFIAPI efi_install_multiple_protocol_interfaces
+ (efi_handle_t *handle, ...);
/* Call this to create an event */
efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
void (EFIAPI *notify_function) (
efi_status_t efi_set_timer(struct efi_event *event, enum efi_timer_delay type,
uint64_t trigger_time);
/* Call this to signal an event */
-void efi_signal_event(struct efi_event *event, bool check_tpl);
+void efi_signal_event(struct efi_event *event);
/* open file system: */
struct efi_simple_file_system_protocol *efi_simple_file_system(
struct efi_device_path *file_path,
struct efi_loaded_image_obj **handle_ptr,
struct efi_loaded_image **info_ptr);
-efi_status_t efi_load_image_from_path(struct efi_device_path *file_path,
- void **buffer);
/* Print information about all loaded images */
void efi_print_image_infos(void *pc);
#define __efi_runtime_data __attribute__ ((section (".data.efi_runtime")))
#define __efi_runtime __attribute__ ((section (".text.efi_runtime")))
+/* Indicate supported runtime services */
+efi_status_t efi_init_runtime_supported(void);
+
/* Update CRC32 in table header */
void __efi_runtime efi_update_table_header_crc32(struct efi_table_hdr *table);
struct efi_time *time,
struct efi_time_cap *capabilities);
+efi_status_t __efi_runtime EFIAPI efi_set_time(struct efi_time *time);
+
#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
/*
* Entry point for the tests of the EFI API.
struct efi_system_table *systab);
#endif
-efi_status_t EFIAPI efi_get_variable(u16 *variable_name, efi_guid_t *vendor,
- u32 *attributes, efi_uintn_t *data_size,
- void *data);
+efi_status_t EFIAPI efi_get_variable(u16 *variable_name,
+ const efi_guid_t *vendor, u32 *attributes,
+ efi_uintn_t *data_size, void *data);
efi_status_t EFIAPI efi_get_next_variable_name(efi_uintn_t *variable_name_size,
u16 *variable_name,
- efi_guid_t *vendor);
-efi_status_t EFIAPI efi_set_variable(u16 *variable_name, efi_guid_t *vendor,
- u32 attributes, efi_uintn_t data_size,
- void *data);
+ const efi_guid_t *vendor);
+efi_status_t EFIAPI efi_set_variable(u16 *variable_name,
+ const efi_guid_t *vendor, u32 attributes,
+ efi_uintn_t data_size, const void *data);
+
+efi_status_t EFIAPI efi_query_variable_info(
+ u32 attributes, u64 *maximum_variable_storage_size,
+ u64 *remaining_variable_storage_size,
+ u64 *maximum_variable_size);
+
+/*
+ * See section 3.1.3 in the v2.7 UEFI spec for more details on
+ * the layout of EFI_LOAD_OPTION. In short it is:
+ *
+ * typedef struct _EFI_LOAD_OPTION {
+ * UINT32 Attributes;
+ * UINT16 FilePathListLength;
+ * // CHAR16 Description[]; <-- variable length, NULL terminated
+ * // EFI_DEVICE_PATH_PROTOCOL FilePathList[];
+ * <-- FilePathListLength bytes
+ * // UINT8 OptionalData[];
+ * } EFI_LOAD_OPTION;
+ */
+struct efi_load_option {
+ u32 attributes;
+ u16 file_path_length;
+ u16 *label;
+ struct efi_device_path *file_path;
+ const u8 *optional_data;
+};
-void *efi_bootmgr_load(struct efi_device_path **device_path,
- struct efi_device_path **file_path);
+void efi_deserialize_load_option(struct efi_load_option *lo, u8 *data);
+unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data);
+efi_status_t efi_bootmgr_load(efi_handle_t *handle);
#else /* CONFIG_IS_ENABLED(EFI_LOADER) */
projects / platform / kernel / u-boot.git / blobdiff