264 lines
7.1 KiB
C
264 lines
7.1 KiB
C
#ifndef X86_EFI_H
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#define X86_EFI_H
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#include <stdint.h>
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typedef uint64_t efi_status;
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typedef void *efi_handle;
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typedef uint16_t efi_char16_t;
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typedef uint64_t efi_uintn_t;
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typedef uint64_t efi_physical_address_t;
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#define EFI_SUCCESS 0
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#define EFI_LOAD_ERROR 0x8000000000000001ULL
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#define EFI_BUFFER_TOO_SMALL 0x8000000000000005ULL
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#define EFI_OUT_OF_RESOURCES 0x8000000000000009ULL
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#define EFI_NOT_FOUND 0x800000000000000eULL
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#define EFI_INVALID_PARAMETER 0x8000000000000002ULL
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#define EFI_ALLOCATE_ADDRESS 2
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#define EFI_LOADER_DATA 4
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#define EFI_OPEN_MODE_READ 0x0000000000000001ULL
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#define EFI_FILE_INFO_ID 0x09576e92
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#define EFI_FILE_INFO_ID_A 0x6d3f
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#define EFI_FILE_INFO_ID_B 0x11d2
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#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID_A 0x964e5b22
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#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID_B 0x6459
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#define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID_C 0x11d2
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#define EFI_LOADED_IMAGE_PROTOCOL_GUID_A 0x5b1b31a1
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#define EFI_LOADED_IMAGE_PROTOCOL_GUID_B 0x9562
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#define EFI_LOADED_IMAGE_PROTOCOL_GUID_C 0x11d2
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#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID_A 0x9042a9de
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#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID_B 0x23dc
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#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID_C 0x4a38
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#if defined(__x86_64__)
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#define EFIAPI __attribute__((ms_abi))
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#else
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#define EFIAPI
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#endif
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typedef struct {
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uint32_t data1;
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uint16_t data2;
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uint16_t data3;
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uint8_t data4[8];
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} efi_guid_t;
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typedef struct {
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uint64_t signature;
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uint32_t revision;
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uint32_t header_size;
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uint32_t crc32;
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uint32_t reserved;
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} efi_table_header_t;
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typedef struct efi_simple_text_output_protocol
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efi_simple_text_output_protocol_t;
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typedef struct efi_boot_services efi_boot_services_t;
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typedef struct efi_simple_file_system_protocol
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efi_simple_file_system_protocol_t;
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typedef struct efi_file_protocol efi_file_protocol_t;
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typedef struct efi_loaded_image_protocol efi_loaded_image_protocol_t;
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typedef struct efi_graphics_output_protocol efi_graphics_output_protocol_t;
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typedef struct efi_system_table efi_system_table_t;
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struct efi_simple_text_output_protocol {
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void *reset;
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efi_status(EFIAPI *output_string)(
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efi_simple_text_output_protocol_t *self, efi_char16_t *string);
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};
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typedef struct {
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uint64_t size;
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uint64_t file_size;
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uint64_t physical_size;
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uint64_t create_time[2];
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uint64_t last_access_time[2];
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uint64_t modification_time[2];
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uint64_t attribute;
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efi_char16_t file_name[1];
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} efi_file_info_t;
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struct efi_file_protocol {
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uint64_t revision;
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efi_status(EFIAPI *open)(efi_file_protocol_t *self,
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efi_file_protocol_t **new_handle,
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efi_char16_t *file_name,
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uint64_t open_mode,
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uint64_t attributes);
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efi_status(EFIAPI *close)(efi_file_protocol_t *self);
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void *delete_;
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efi_status(EFIAPI *read)(efi_file_protocol_t *self,
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efi_uintn_t *buffer_size,
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void *buffer);
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void *write;
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void *get_position;
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void *set_position;
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efi_status(EFIAPI *get_info)(efi_file_protocol_t *self,
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efi_guid_t *information_type,
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efi_uintn_t *buffer_size,
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void *buffer);
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void *set_info;
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void *flush;
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};
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struct efi_simple_file_system_protocol {
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uint64_t revision;
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efi_status(EFIAPI *open_volume)(efi_simple_file_system_protocol_t *self,
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efi_file_protocol_t **root);
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};
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struct efi_loaded_image_protocol {
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uint32_t revision;
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efi_handle parent_handle;
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efi_system_table_t *system_table;
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efi_handle device_handle;
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void *file_path;
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void *reserved;
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uint32_t load_options_size;
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void *load_options;
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void *image_base;
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uint64_t image_size;
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uint32_t image_code_type;
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uint32_t image_data_type;
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void *unload;
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};
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typedef struct {
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uint32_t version;
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uint32_t horizontal_resolution;
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uint32_t vertical_resolution;
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uint32_t pixel_format;
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uint32_t pixel_information[4];
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uint32_t pixels_per_scan_line;
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} efi_graphics_output_mode_information_t;
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typedef struct {
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uint32_t max_mode;
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uint32_t mode;
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efi_graphics_output_mode_information_t *info;
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efi_uintn_t size_of_info;
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efi_physical_address_t frame_buffer_base;
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efi_uintn_t frame_buffer_size;
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} efi_graphics_output_protocol_mode_t;
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struct efi_graphics_output_protocol {
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void *query_mode;
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void *set_mode;
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void *blt;
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efi_graphics_output_protocol_mode_t *mode;
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};
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struct efi_boot_services {
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efi_table_header_t hdr;
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void *raise_tpl;
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void *restore_tpl;
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efi_status(EFIAPI *allocate_pages)(int type,
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int memory_type,
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efi_uintn_t pages,
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efi_physical_address_t *memory);
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void *free_pages;
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efi_status(EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size,
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void *memory_map,
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efi_uintn_t *map_key,
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efi_uintn_t *descriptor_size,
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uint32_t *descriptor_version);
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efi_status(EFIAPI *allocate_pool)(
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int pool_type, efi_uintn_t size, void **buffer);
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efi_status(EFIAPI *free_pool)(void *buffer);
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void *create_event;
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void *set_timer;
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void *wait_for_event;
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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(EFIAPI *handle_protocol)(
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efi_handle handle, efi_guid_t *protocol, void **interface);
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void *reserved;
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void *register_protocol_notify;
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void *locate_handle;
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void *locate_device_path;
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void *install_configuration_table;
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void *load_image;
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void *start_image;
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void *exit;
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void *unload_image;
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efi_status(EFIAPI *exit_boot_services)(
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efi_handle image_handle, efi_uintn_t map_key);
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void *get_next_monotonic_count;
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void(EFIAPI *stall)(efi_uintn_t microseconds);
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void *set_watchdog_timer;
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void *connect_controller;
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void *disconnect_controller;
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void *open_protocol;
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void *close_protocol;
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void *open_protocol_information;
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void *protocols_per_handle;
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void *locate_handle_buffer;
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efi_status(EFIAPI *locate_protocol)(
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efi_guid_t *protocol, void *registration, void **interface);
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};
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struct efi_system_table {
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efi_table_header_t hdr;
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efi_char16_t *firmware_vendor;
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uint32_t firmware_revision;
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efi_handle console_in_handle;
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void *con_in;
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efi_handle console_out_handle;
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efi_simple_text_output_protocol_t *con_out;
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efi_handle standard_error_handle;
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efi_simple_text_output_protocol_t *std_err;
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void *runtime_services;
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efi_boot_services_t *boot_services;
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uint64_t number_of_table_entries;
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void *configuration_table;
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};
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static inline efi_guid_t efi_file_info_guid(void)
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{
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return (efi_guid_t){
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.data1 = EFI_FILE_INFO_ID,
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.data2 = EFI_FILE_INFO_ID_A,
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.data3 = EFI_FILE_INFO_ID_B,
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.data4 = {0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b},
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};
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}
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static inline efi_guid_t efi_simple_file_system_protocol_guid(void)
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{
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return (efi_guid_t){
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.data1 = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID_A,
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.data2 = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID_B,
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.data3 = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID_C,
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.data4 = {0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b},
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};
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}
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static inline efi_guid_t efi_loaded_image_protocol_guid(void)
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{
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return (efi_guid_t){
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.data1 = EFI_LOADED_IMAGE_PROTOCOL_GUID_A,
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.data2 = EFI_LOADED_IMAGE_PROTOCOL_GUID_B,
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.data3 = EFI_LOADED_IMAGE_PROTOCOL_GUID_C,
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.data4 = {0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b},
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};
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}
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static inline efi_guid_t efi_graphics_output_protocol_guid(void)
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{
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return (efi_guid_t){
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.data1 = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID_A,
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.data2 = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID_B,
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.data3 = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID_C,
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.data4 = {0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a},
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};
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}
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#endif
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