diff options
Diffstat (limited to 'include/efi_loader.h')
| -rw-r--r-- | include/efi_loader.h | 100 |
1 files changed, 96 insertions, 4 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h index 1179234f68..2f081f8996 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -17,6 +17,7 @@ int __efi_entry_check(void); int __efi_exit_check(void); +const char *__efi_nesting(void); const char *__efi_nesting_inc(void); const char *__efi_nesting_dec(void); @@ -41,9 +42,22 @@ const char *__efi_nesting_dec(void); }) /* - * Callback into UEFI world from u-boot: + * Call non-void UEFI function from u-boot and retrieve return value: */ -#define EFI_CALL(exp) do { \ +#define EFI_CALL(exp) ({ \ + debug("%sEFI: Call: %s\n", __efi_nesting_inc(), #exp); \ + assert(__efi_exit_check()); \ + typeof(exp) _r = exp; \ + assert(__efi_entry_check()); \ + debug("%sEFI: %lu returned by %s\n", __efi_nesting_dec(), \ + (unsigned long)((uintptr_t)_r & ~EFI_ERROR_MASK), #exp); \ + _r; \ +}) + +/* + * Call void UEFI function from u-boot: + */ +#define EFI_CALL_VOID(exp) do { \ debug("%sEFI: Call: %s\n", __efi_nesting_inc(), #exp); \ assert(__efi_exit_check()); \ exp; \ @@ -51,6 +65,13 @@ const char *__efi_nesting_dec(void); debug("%sEFI: Return From: %s\n", __efi_nesting_dec(), #exp); \ } while(0) +/* + * Write GUID + */ +#define EFI_PRINT_GUID(txt, guid) ({ \ + debug("%sEFI: %s %pUl\n", __efi_nesting(), txt, guid); \ + }) + extern struct efi_runtime_services efi_runtime_services; extern struct efi_system_table systab; @@ -59,10 +80,15 @@ extern struct efi_simple_input_interface efi_con_in; extern const struct efi_console_control_protocol efi_console_control; extern const struct efi_device_path_to_text_protocol efi_device_path_to_text; +uint16_t *efi_dp_str(struct efi_device_path *dp); + +extern const efi_guid_t efi_global_variable_guid; extern const efi_guid_t efi_guid_console_control; extern const efi_guid_t efi_guid_device_path; extern const efi_guid_t efi_guid_loaded_image; 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; extern unsigned int __efi_runtime_start, __efi_runtime_stop; extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop; @@ -110,7 +136,8 @@ struct efi_object { * @nofify_function: Function to call when the event is triggered * @notify_context: Data to be passed to the notify function * @trigger_type: Type of timer, see efi_set_timer - * @signaled: The notify function was already called + * @queued: The notification functionis queued + * @signaled: The event occured */ struct efi_event { uint32_t type; @@ -120,6 +147,7 @@ struct efi_event { u64 trigger_next; u64 trigger_time; enum efi_timer_delay trigger_type; + int queued; int signaled; }; @@ -134,10 +162,13 @@ int efi_disk_register(void); /* Called by bootefi to make GOP (graphical) interface available */ int efi_gop_register(void); /* Called by bootefi to make the network interface available */ -int efi_net_register(void **handle); +int efi_net_register(void); /* Called by bootefi to make SMBIOS tables available */ void efi_smbios_register(void); +struct efi_simple_file_system_protocol * +efi_fs_from_path(struct efi_device_path *fp); + /* Called by networking code to memorize the dhcp ack package */ void efi_net_set_dhcp_ack(void *pkt, int len); @@ -166,6 +197,14 @@ efi_status_t efi_set_timer(struct efi_event *event, enum efi_timer_delay type, /* Call this to signal an event */ void efi_signal_event(struct efi_event *event); +/* open file system: */ +struct efi_simple_file_system_protocol *efi_simple_file_system( + struct blk_desc *desc, int part, struct efi_device_path *dp); + +/* open file from device-path: */ +struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp); + + /* Generic EFI memory allocator, call this to get memory */ void *efi_alloc(uint64_t len, int memory_type); /* More specific EFI memory allocator, called by EFI payloads */ @@ -191,12 +230,43 @@ uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type, int efi_memory_init(void); /* Adds new or overrides configuration table entry to the system table */ efi_status_t efi_install_configuration_table(const efi_guid_t *guid, void *table); +void efi_setup_loaded_image(struct efi_loaded_image *info, struct efi_object *obj, + struct efi_device_path *device_path, + struct efi_device_path *file_path); +efi_status_t efi_load_image_from_path(struct efi_device_path *file_path, + void **buffer); #ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER extern void *efi_bounce_buffer; #define EFI_LOADER_BOUNCE_BUFFER_SIZE (64 * 1024 * 1024) #endif + +struct efi_device_path *efi_dp_next(const struct efi_device_path *dp); +int efi_dp_match(struct efi_device_path *a, struct efi_device_path *b); +struct efi_object *efi_dp_find_obj(struct efi_device_path *dp, + struct efi_device_path **rem); +unsigned efi_dp_size(const struct efi_device_path *dp); +struct efi_device_path *efi_dp_dup(const struct efi_device_path *dp); +struct efi_device_path *efi_dp_append(const struct efi_device_path *dp1, + const struct efi_device_path *dp2); +struct efi_device_path *efi_dp_append_node(const struct efi_device_path *dp, + const struct efi_device_path *node); + + +struct efi_device_path *efi_dp_from_dev(struct udevice *dev); +struct efi_device_path *efi_dp_from_part(struct blk_desc *desc, int part); +struct efi_device_path *efi_dp_from_file(struct blk_desc *desc, int part, + const char *path); +struct efi_device_path *efi_dp_from_eth(void); +void efi_dp_split_file_path(struct efi_device_path *full_path, + struct efi_device_path **device_path, + struct efi_device_path **file_path); + +#define EFI_DP_TYPE(_dp, _type, _subtype) \ + (((_dp)->type == DEVICE_PATH_TYPE_##_type) && \ + ((_dp)->sub_type == DEVICE_PATH_SUB_TYPE_##_subtype)) + /* Convert strings from normal C strings to uEFI strings */ static inline void ascii2unicode(u16 *unicode, const char *ascii) { @@ -233,6 +303,28 @@ efi_status_t __efi_runtime EFIAPI efi_get_time( struct efi_time_cap *capabilities); void efi_get_time_init(void); +#ifdef CONFIG_CMD_BOOTEFI_SELFTEST +/* + * Entry point for the tests of the EFI API. + * It is called by 'bootefi selftest' + */ +efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle, + struct efi_system_table *systab); +#endif + +efi_status_t EFIAPI efi_get_variable(s16 *variable_name, + efi_guid_t *vendor, u32 *attributes, + unsigned long *data_size, void *data); +efi_status_t EFIAPI efi_get_next_variable( + unsigned long *variable_name_size, + s16 *variable_name, efi_guid_t *vendor); +efi_status_t EFIAPI efi_set_variable(s16 *variable_name, + efi_guid_t *vendor, u32 attributes, + unsigned long data_size, void *data); + +void *efi_bootmgr_load(struct efi_device_path **device_path, + struct efi_device_path **file_path); + #else /* defined(EFI_LOADER) && !defined(CONFIG_SPL_BUILD) */ /* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */ |