mirror of
https://github.com/brain-hackers/u-boot-brain
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245 lines
7.6 KiB
C
245 lines
7.6 KiB
C
![]() |
/*
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* Extensible Firmware Interface
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* Based on 'Extensible Firmware Interface Specification' version 0.9,
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* April 30, 1999
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*
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* Copyright (C) 1999 VA Linux Systems
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* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
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* Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
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* David Mosberger-Tang <davidm@hpl.hp.com>
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* Stephane Eranian <eranian@hpl.hp.com>
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*
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* From include/linux/efi.h in kernel 4.1 with some additions/subtractions
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*/
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#ifndef _EFI_API_H
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#define _EFI_API_H
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#include <efi.h>
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/* EFI Boot Services table */
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struct efi_boot_services {
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struct efi_table_hdr hdr;
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void *raise_tpl;
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void *restore_tpl;
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efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
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efi_physical_addr_t *);
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efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
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efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
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struct efi_mem_desc *desc, unsigned long *key,
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unsigned long *desc_size, u32 *desc_version);
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efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
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efi_status_t (EFIAPI *free_pool)(void *);
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void *create_event;
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void *set_timer;
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efi_status_t(EFIAPI *wait_for_event)(unsigned long number_of_events,
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void *event, unsigned long *index);
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void *signal_event;
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void *close_event;
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void *check_event;
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void *install_protocol_interface;
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void *reinstall_protocol_interface;
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void *uninstall_protocol_interface;
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efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
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void **);
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void *reserved;
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void *register_protocol_notify;
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efi_status_t (EFIAPI *locate_handle)(
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enum efi_locate_search_type search_type,
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efi_guid_t *protocol, void *search_key,
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unsigned long *buffer_size, efi_handle_t *buffer);
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efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
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struct efi_device_path **device_path,
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efi_handle_t *device);
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void *install_configuration_table;
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efi_status_t (EFIAPI *load_image)(bool boot_policiy,
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efi_handle_t parent_image,
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struct efi_device_path *file_path, void *source_buffer,
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unsigned long source_size, efi_handle_t *image);
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efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
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unsigned long *exitdata_size,
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s16 **exitdata);
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efi_status_t (EFIAPI *exit)(efi_handle_t handle,
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efi_status_t exit_status,
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unsigned long exitdata_size, s16 *exitdata);
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void *unload_image;
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efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
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efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
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efi_status_t (EFIAPI *stall)(unsigned long usecs);
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void *set_watchdog_timer;
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efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
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efi_handle_t *driver_image_handle,
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struct efi_device_path *remaining_device_path,
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bool recursive);
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void *disconnect_controller;
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#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001
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#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002
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#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004
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#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
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#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010
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#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020
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efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
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efi_guid_t *protocol, void **interface,
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efi_handle_t agent_handle,
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efi_handle_t controller_handle, u32 attributes);
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void *close_protocol;
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efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
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efi_guid_t *protocol,
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struct efi_open_protocol_info_entry **entry_buffer,
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unsigned long *entry_count);
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efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
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efi_guid_t ***protocol_buffer,
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unsigned long *protocols_buffer_count);
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efi_status_t (EFIAPI *locate_handle_buffer) (
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enum efi_locate_search_type search_type,
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efi_guid_t *protocol, void *search_key,
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unsigned long *no_handles, efi_handle_t **buffer);
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void *locate_protocol;
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void *install_multiple_protocol_interfaces;
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void *uninstall_multiple_protocol_interfaces;
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void *calculate_crc32;
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void *copy_mem;
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void *set_mem;
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void *create_event_ex;
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};
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/* Types and defines for EFI ResetSystem */
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enum efi_reset_type {
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EFI_RESET_COLD = 0,
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EFI_RESET_WARM = 1,
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EFI_RESET_SHUTDOWN = 2
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};
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/* EFI Runtime Services table */
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#define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552ULL
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#define EFI_RUNTIME_SERVICES_REVISION 0x00010000
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struct efi_runtime_services {
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struct efi_table_hdr hdr;
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void *get_time;
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void *set_time;
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void *get_wakeup_time;
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void *set_wakeup_time;
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void *set_virtual_address_map;
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void *convert_pointer;
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efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
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efi_guid_t *vendor, u32 *attributes,
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unsigned long *data_size, void *data);
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efi_status_t (EFIAPI *get_next_variable)(
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unsigned long *variable_name_size,
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s16 *variable_name, efi_guid_t *vendor);
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efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
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efi_guid_t *vendor, u32 attributes,
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unsigned long data_size, void *data);
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void *get_next_high_mono_count;
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void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
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efi_status_t reset_status,
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unsigned long data_size, void *reset_data);
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void *update_capsule;
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void *query_capsule_caps;
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void *query_variable_info;
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};
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/* EFI Configuration Table and GUID definitions */
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#define NULL_GUID \
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EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
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#define LOADED_IMAGE_PROTOCOL_GUID \
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EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
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0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
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struct efi_system_table {
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struct efi_table_hdr hdr;
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unsigned long fw_vendor; /* physical addr of wchar_t vendor string */
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u32 fw_revision;
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unsigned long con_in_handle;
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struct efi_simple_input_interface *con_in;
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unsigned long con_out_handle;
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struct efi_simple_text_output_protocol *con_out;
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unsigned long stderr_handle;
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unsigned long std_err;
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struct efi_runtime_services *runtime;
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struct efi_boot_services *boottime;
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unsigned long nr_tables;
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unsigned long tables;
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};
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struct efi_loaded_image {
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u32 revision;
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void *parent_handle;
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struct efi_system_table *system_table;
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void *device_handle;
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void *file_path;
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void *reserved;
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u32 load_options_size;
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void *load_options;
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void *image_base;
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aligned_u64 image_size;
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unsigned int image_code_type;
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unsigned int image_data_type;
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unsigned long unload;
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};
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struct efi_device_path {
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u8 type;
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u8 sub_type;
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u16 length;
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};
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struct simple_text_output_mode {
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s32 max_mode;
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s32 mode;
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s32 attribute;
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s32 cursor_column;
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s32 cursor_row;
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bool cursor_visible;
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};
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struct efi_simple_text_output_protocol {
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void *reset;
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efi_status_t (EFIAPI *output_string)(
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struct efi_simple_text_output_protocol *this,
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const unsigned short *str);
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void *test_string;
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efi_status_t(EFIAPI *query_mode)(
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struct efi_simple_text_output_protocol *this,
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unsigned long mode_number, unsigned long *columns,
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unsigned long *rows);
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efi_status_t(EFIAPI *set_mode)(
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struct efi_simple_text_output_protocol *this,
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unsigned long mode_number);
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efi_status_t(EFIAPI *set_attribute)(
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struct efi_simple_text_output_protocol *this,
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unsigned long attribute);
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efi_status_t(EFIAPI *clear_screen) (
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struct efi_simple_text_output_protocol *this);
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efi_status_t(EFIAPI *set_cursor_position) (
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struct efi_simple_text_output_protocol *this,
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unsigned long column, unsigned long row);
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efi_status_t(EFIAPI *enable_cursor)(void *, bool enable);
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struct simple_text_output_mode *mode;
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};
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struct efi_input_key {
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u16 scan_code;
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s16 unicode_char;
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};
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struct efi_simple_input_interface {
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efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
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bool ExtendedVerification);
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efi_status_t(EFIAPI *read_key_stroke)(
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struct efi_simple_input_interface *this,
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struct efi_input_key *key);
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void *wait_for_key;
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};
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#endif
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