#include <efi_api.h>
#include <image.h>
#include <pe.h>
+#include <linux/list.h>
+#include <linux/oid_registry.h>
struct blk_desc;
+struct jmp_buf_data;
static inline int guidcmp(const void *g1, const void *g2)
{
return memcpy(dst, src, sizeof(efi_guid_t));
}
-/* No need for efi loader support in SPL */
#if CONFIG_IS_ENABLED(EFI_LOADER)
-#include <linux/list.h>
-#include <linux/oid_registry.h>
+/**
+ * __efi_runtime_data - declares a non-const variable for EFI runtime section
+ *
+ * This macro indicates that a variable is non-const and should go into the
+ * EFI runtime section, and thus still be available when the OS is running.
+ *
+ * Only use on variables not declared const.
+ *
+ * Example:
+ *
+ * ::
+ *
+ * static __efi_runtime_data my_computed_table[256];
+ */
+#define __efi_runtime_data __section(".data.efi_runtime")
+
+/**
+ * __efi_runtime_rodata - declares a read-only variable for EFI runtime section
+ *
+ * This macro indicates that a variable is read-only (const) and should go into
+ * the EFI runtime section, and thus still be available when the OS is running.
+ *
+ * Only use on variables also declared const.
+ *
+ * Example:
+ *
+ * ::
+ *
+ * static const __efi_runtime_rodata my_const_table[] = { 1, 2, 3 };
+ */
+#define __efi_runtime_rodata __section(".rodata.efi_runtime")
+
+/**
+ * __efi_runtime - declares a function for EFI runtime section
+ *
+ * This macro indicates that a function should go into the EFI runtime section,
+ * and thus still be available when the OS is running.
+ *
+ * Example:
+ *
+ * ::
+ *
+ * static __efi_runtime compute_my_table(void);
+ */
+#define __efi_runtime __section(".text.efi_runtime")
+
+/*
+ * Call this with mmio_ptr as the _pointer_ to a pointer to an MMIO region
+ * to make it available at runtime
+ */
+efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len);
+
+/*
+ * Special case handler for error/abort that just tries to dtrt to get
+ * back to u-boot world
+ */
+void efi_restore_gd(void);
+/* Call this to set the current device name */
+void efi_set_bootdev(const char *dev, const char *devnr, const char *path,
+ void *buffer, size_t buffer_size);
+/* Called by networking code to memorize the dhcp ack package */
+void efi_net_set_dhcp_ack(void *pkt, int len);
+/* Print information about all loaded images */
+void efi_print_image_infos(void *pc);
+
+/* Hook at initialization */
+efi_status_t efi_launch_capsules(void);
+
+#else /* CONFIG_IS_ENABLED(EFI_LOADER) */
+
+/* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */
+#define __efi_runtime_data
+#define __efi_runtime_rodata
+#define __efi_runtime
+static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len)
+{
+ return EFI_SUCCESS;
+}
+
+/* No loader configured, stub out EFI_ENTRY */
+static inline void efi_restore_gd(void) { }
+static inline void efi_set_bootdev(const char *dev, const char *devnr,
+ const char *path, void *buffer,
+ size_t buffer_size) { }
+static inline void efi_net_set_dhcp_ack(void *pkt, int len) { }
+static inline void efi_print_image_infos(void *pc) { }
+static inline efi_status_t efi_launch_capsules(void)
+{
+ return EFI_SUCCESS;
+}
+
+#endif /* CONFIG_IS_ENABLED(EFI_LOADER) */
/* Maximum number of configuration tables */
#define EFI_MAX_CONFIGURATION_TABLES 16
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;
+/* GUID of the EFI system partition */
+extern const efi_guid_t efi_system_partition_guid;
/* GUID of the EFI_DRIVER_BINDING_PROTOCOL */
extern const efi_guid_t efi_guid_driver_binding_protocol;
/* event group ExitBootServices() invoked */
extern const efi_guid_t efi_guid_sha256;
extern const efi_guid_t efi_guid_cert_x509;
extern const efi_guid_t efi_guid_cert_x509_sha256;
+extern const efi_guid_t efi_guid_cert_x509_sha384;
+extern const efi_guid_t efi_guid_cert_x509_sha512;
extern const efi_guid_t efi_guid_cert_type_pkcs7;
/* GUID of RNG protocol */
extern const efi_guid_t efi_guid_firmware_management_protocol;
/* GUID for the ESRT */
extern const efi_guid_t efi_esrt_guid;
+/* GUID of the SMBIOS table */
+extern const efi_guid_t smbios_guid;
-extern unsigned int __efi_runtime_start, __efi_runtime_stop;
-extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
+extern char __efi_runtime_start[], __efi_runtime_stop[];
+extern char __efi_runtime_rel_start[], __efi_runtime_rel_stop[];
/**
* struct efi_open_protocol_info_item - open protocol info item
*/
struct efi_handler {
struct list_head link;
- const efi_guid_t *guid;
+ const efi_guid_t guid;
void *protocol_interface;
struct list_head open_infos;
};
/* List of all events registered by RegisterProtocolNotify() */
extern struct list_head efi_register_notify_events;
+/* called at pre-initialization */
+int efi_init_early(void);
/* Initialize efi execution environment */
efi_status_t efi_init_obj_list(void);
/* Install device tree */
efi_status_t efi_init_variables(void);
/* Notify ExitBootServices() is called */
void efi_variables_boot_exit_notify(void);
+efi_status_t efi_tcg2_notify_exit_boot_services_failed(void);
+/* Measure efi application invocation */
+efi_status_t efi_tcg2_measure_efi_app_invocation(struct efi_loaded_image_obj *handle);
+/* Measure efi application exit */
+efi_status_t efi_tcg2_measure_efi_app_exit(void);
/* Called by bootefi to initialize root node */
efi_status_t efi_root_node_register(void);
/* Called by bootefi to initialize runtime */
void **address);
/* Carve out DT reserved memory ranges */
void efi_carve_out_dt_rsv(void *fdt);
+/* Purge unused kaslr-seed */
+void efi_try_purge_kaslr_seed(void *fdt);
/* 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 */
-efi_status_t efi_disk_register(void);
+/* Called by efi_init_obj_list() to initialize efi_disks */
+efi_status_t efi_disk_init(void);
/* Called by efi_init_obj_list() to install EFI_RNG_PROTOCOL */
efi_status_t efi_rng_register(void);
/* Called by efi_init_obj_list() to install EFI_TCG2_PROTOCOL */
efi_status_t efi_tcg2_register(void);
+/* Called by efi_init_obj_list() to install RISCV_EFI_BOOT_PROTOCOL */
+efi_status_t efi_riscv_register(void);
+/* Called by efi_init_obj_list() to do initial measurement */
+efi_status_t efi_tcg2_do_initial_measurement(void);
+/* measure the pe-coff image, extend PCR and add Event Log */
+efi_status_t tcg2_measure_pe_image(void *efi, u64 efi_size,
+ struct efi_loaded_image_obj *handle,
+ struct efi_loaded_image *loaded_image_info);
/* Create handles and protocols for the partitions of a block device */
int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
const char *if_typename, int diskid,
const char *pdevname);
-/* Check if it is EFI system partition */
-bool efi_disk_is_system_part(efi_handle_t handle);
/* Called by bootefi to make GOP (graphical) interface available */
efi_status_t efi_gop_register(void);
/* Called by bootefi to make the network interface available */
*
* Called by bootefi to make ACPI tables available
*
- * @return 0 if OK, -ENOMEM if no memory is available for the tables
+ * Return: 0 if OK, -ENOMEM if no memory is available for the tables
*/
efi_status_t efi_acpi_register(void);
/**
*
* Called by bootefi to make SMBIOS tables available
*
- * @return 0 if OK, -ENOMEM if no memory is available for the tables
+ * Return: 0 if OK, -ENOMEM if no memory is available for the tables
*/
efi_status_t 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);
/* Called by efi_set_watchdog_timer to reset the timer */
efi_status_t efi_set_watchdog(unsigned long timeout);
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
- * back to u-boot world */
-void efi_restore_gd(void);
/* Call this to relocate the runtime section to an address space */
void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
-/* Call this to set the current device name */
-void efi_set_bootdev(const char *dev, const char *devnr, const char *path,
- void *buffer, size_t buffer_size);
/* Add a new object to the object list. */
void efi_add_handle(efi_handle_t obj);
/* Create handle */
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);
+/* Locate device_path handle */
+efi_status_t EFIAPI efi_locate_device_path(const efi_guid_t *protocol,
+ struct efi_device_path **device_path,
+ efi_handle_t *device);
/* Load image */
efi_status_t EFIAPI efi_load_image(bool boot_policy,
efi_handle_t parent_image,
/* Call this to signal an event */
void efi_signal_event(struct efi_event *event);
+/* return true if the device is removable */
+bool efi_disk_is_removable(efi_handle_t handle);
+
/* open file system: */
struct efi_simple_file_system_protocol *efi_simple_file_system(
struct blk_desc *desc, int part, struct efi_device_path *dp);
/* get a device path from a Boot#### option */
struct efi_device_path *efi_get_dp_from_boot(const efi_guid_t guid);
+/* get len, string (used in u-boot crypto from a guid */
+const char *guid_to_sha_str(const efi_guid_t *guid);
+int algo_to_len(const char *algo);
+
/**
* efi_size_in_pages() - convert size in bytes to size in pages
*
#define efi_size_in_pages(size) (((size) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
/* Generic EFI memory allocator, call this to get memory */
void *efi_alloc(uint64_t len, int memory_type);
+/* Allocate pages on the specified alignment */
+void *efi_alloc_aligned_pages(u64 len, int memory_type, size_t align);
/* More specific EFI memory allocator, called by EFI payloads */
-efi_status_t efi_allocate_pages(int type, int memory_type, efi_uintn_t pages,
- uint64_t *memory);
+efi_status_t efi_allocate_pages(enum efi_allocate_type type,
+ enum efi_memory_type memory_type,
+ efi_uintn_t pages, uint64_t *memory);
/* EFI memory free function. */
efi_status_t efi_free_pages(uint64_t memory, efi_uintn_t pages);
/* EFI memory allocator for small allocations */
-efi_status_t efi_allocate_pool(int pool_type, efi_uintn_t size,
- void **buffer);
+efi_status_t efi_allocate_pool(enum efi_memory_type pool_type,
+ efi_uintn_t size, void **buffer);
/* EFI pool memory free function. */
efi_status_t efi_free_pool(void *buffer);
/* Returns the EFI memory map */
struct efi_device_path *file_path,
struct efi_loaded_image_obj **handle_ptr,
struct efi_loaded_image **info_ptr);
-/* Print information about all loaded images */
-void efi_print_image_infos(void *pc);
#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER
extern void *efi_bounce_buffer;
#define EFI_LOADER_BOUNCE_BUFFER_SIZE (64 * 1024 * 1024)
#endif
-
+/* shorten device path */
+struct efi_device_path *efi_dp_shorten(struct efi_device_path *dp);
struct efi_device_path *efi_dp_next(const struct efi_device_path *dp);
int efi_dp_match(const struct efi_device_path *a,
const struct efi_device_path *b);
-struct efi_object *efi_dp_find_obj(struct efi_device_path *dp,
- struct efi_device_path **rem);
+efi_handle_t efi_dp_find_obj(struct efi_device_path *dp,
+ const efi_guid_t *guid,
+ struct efi_device_path **rem);
/* get size of the first device path instance excluding end node */
efi_uintn_t efi_dp_instance_size(const struct efi_device_path *dp);
/* size of multi-instance device path excluding end node */
efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path,
struct efi_device_path **device_path,
struct efi_device_path **file_path);
+struct efi_device_path *efi_dp_from_uart(void);
efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
const char *path,
struct efi_device_path **device,
(((_dp)->type == DEVICE_PATH_TYPE_##_type) && \
((_dp)->sub_type == DEVICE_PATH_SUB_TYPE_##_subtype))
-/*
- * Use these to indicate that your code / data should go into the EFI runtime
- * section and thus still be available when the OS is running
- */
-#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);
-/* Call this with mmio_ptr as the _pointer_ to a pointer to an MMIO region
- * to make it available at runtime */
-efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len);
-
/* Boards may provide the functions below to implement RTS functionality */
void __efi_runtime EFIAPI efi_reset_system(
u64 *remaining_variable_storage_size,
u64 *maximum_variable_size);
-void *efi_get_var(u16 *name, const efi_guid_t *vendor, efi_uintn_t *size);
+void *efi_get_var(const u16 *name, const efi_guid_t *vendor, efi_uintn_t *size);
/*
* See section 3.1.3 in the v2.7 UEFI spec for more details on
};
struct efi_device_path *efi_dp_from_lo(struct efi_load_option *lo,
- efi_uintn_t *size, efi_guid_t guid);
+ const efi_guid_t *guid);
struct efi_device_path *efi_dp_concat(const struct efi_device_path *dp1,
const struct efi_device_path *dp2);
+struct efi_device_path *search_gpt_dp_node(struct efi_device_path *device_path);
efi_status_t efi_deserialize_load_option(struct efi_load_option *lo, u8 *data,
efi_uintn_t *size);
unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data);
struct pkcs7_message;
bool efi_signature_lookup_digest(struct efi_image_regions *regs,
- struct efi_signature_store *db);
+ struct efi_signature_store *db,
+ bool dbx);
bool efi_signature_verify(struct efi_image_regions *regs,
struct pkcs7_message *msg,
struct efi_signature_store *db,
bool efi_capsule_auth_enabled(void);
+void *efi_prepare_aligned_image(void *efi, u64 *efi_size);
+
bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
WIN_CERTIFICATE **auth, size_t *auth_len);
efi_uintn_t capsule_size,
void **image, efi_uintn_t *image_size);
-#define EFI_CAPSULE_DIR L"\\EFI\\UpdateCapsule\\"
-
-/* Hook at initialization */
-efi_status_t efi_launch_capsules(void);
-
-#else /* CONFIG_IS_ENABLED(EFI_LOADER) */
+#define EFI_CAPSULE_DIR u"\\EFI\\UpdateCapsule\\"
-/* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */
-#define __efi_runtime_data
-#define __efi_runtime
-static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len)
-{
- return EFI_SUCCESS;
-}
+/**
+ * struct efi_fw_image - Information on firmware images updatable through
+ * capsule update
+ *
+ * This structure gives information about the firmware images on the platform
+ * which can be updated through the capsule update mechanism
+ *
+ * @image_type_id: Image GUID. Same value is to be used in the capsule
+ * @fw_name: Name of the firmware image
+ * @image_index: Image Index, same as value passed to SetImage FMP
+ * function
+ */
+struct efi_fw_image {
+ efi_guid_t image_type_id;
+ u16 *fw_name;
+ u8 image_index;
+};
-/* No loader configured, stub out EFI_ENTRY */
-static inline void efi_restore_gd(void) { }
-static inline void efi_set_bootdev(const char *dev, const char *devnr,
- const char *path, void *buffer,
- size_t buffer_size) { }
-static inline void efi_net_set_dhcp_ack(void *pkt, int len) { }
-static inline void efi_print_image_infos(void *pc) { }
-static inline efi_status_t efi_launch_capsules(void)
-{
- return EFI_SUCCESS;
-}
+/**
+ * struct efi_capsule_update_info - Information needed for capsule updates
+ *
+ * This structure provides information needed for performing firmware
+ * updates. The structure needs to be initialised per platform, for all
+ * platforms which enable capsule updates
+ *
+ * @dfu_string: String used to populate dfu_alt_info
+ * @images: Pointer to an array of updatable images
+ */
+struct efi_capsule_update_info {
+ const char *dfu_string;
+ struct efi_fw_image *images;
+};
-#endif /* CONFIG_IS_ENABLED(EFI_LOADER) */
+extern struct efi_capsule_update_info update_info;
+extern u8 num_image_type_guids;
/**
* Install the ESRT system table.
*
- * @return status code
+ * Return: status code
*/
efi_status_t efi_esrt_register(void);
* - error code otherwise.
*/
efi_status_t efi_esrt_populate(void);
+efi_status_t efi_load_capsule_drivers(void);
+
+efi_status_t platform_get_eventlog(struct udevice *dev, u64 *addr, u32 *sz);
#endif /* _EFI_LOADER_H */