memtest86plus/boot/efi.h
Chao Li f392232f10 Add the 64-bit and 32-bit CC flag
Added a new CC flag into build32 and build64 Makefiles to distinguish
whether compiling to 32-bit or 64-bit code.

[Lionel Debroux: rebased on the memrw functions refactor.]

Signed-off-by: Chao Li <lichao@loongson.cn>
2024-07-16 09:58:06 +02:00

306 lines
9.6 KiB
C

// SPDX-License-Identifier: GPL-2.0
#ifndef EFI_H
#define EFI_H
/**
* \file
*
* Provides definitions for accessing the UEFI boot services and configuration
* tables.
*
*//*
* Copyright (C) 2020-2022 Martin Whitaker.
*/
#include <stdint.h>
#if (ARCH_BITS == 64)
#define NATIVE_MSB UINT64_C(0x8000000000000000)
#else
#define NATIVE_MSB 0x80000000
#endif
/**
* EFI_STATUS values.
*/
#define EFI_SUCCESS 0
#define EFI_INVALID_PARAMETER (NATIVE_MSB | 2)
#define EFI_UNSUPPORTED (NATIVE_MSB | 3)
#define EFI_BUFFER_TOO_SMALL (NATIVE_MSB | 5)
#define EFI_NOT_READY (NATIVE_MSB | 6)
#define EFI_NOT_FOUND (NATIVE_MSB | 14)
#define EFI_ABORTED (NATIVE_MSB | 21)
/**
* EFI_LOCATE_SEARCH_TYPE values.
*/
#define EFI_LOCATE_BY_PROTOCOL 2
/**
* EFI_ALLOCATE_TYPE values.
*/
#define EFI_ALLOCATE_MAX_ADDRESS 1
#define EFI_ALLOCATE_ADDRESS 2
/**
* EFI_MEMORY_TYPE values.
*/
#define EFI_LOADER_CODE 1
#define EFI_LOADER_DATA 2
#define EFI_BOOT_SERVICES_CODE 3
#define EFI_BOOT_SERVICES_DATA 4
#define EFI_CONVENTIONAL_MEMORY 7
#define EFI_ACPI_RECLAIM_MEMORY 9
/**
* EFI_RESET_TYPE values.
*/
#define EFI_RESET_COLD 0
#define EFI_RESET_WARM 1
#define EFI_RESET_SHUTDOWN 2
/**
* EFI_GRAPHICS_PIXEL_FORMAT values.
*/
#define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0
#define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1
#define PIXEL_BIT_MASK 2
#define PIXEL_BLT_ONLY 3
#define EFI_SYSTEM_TABLE_SIGNATURE UINT64_C(0x5453595320494249)
#define EFI_RUNTIME_SERVICES_SIGNATURE UINT64_C(0x5652453544e5552)
#define efiapi __attribute__((ms_abi))
#if (ARCH_BITS == 64)
typedef uint64_t uintn_t;
#else
typedef uint32_t uintn_t;
#endif
typedef void * efi_handle_t;
typedef uintn_t efi_status_t;
typedef uint64_t efi_phys_addr_t;
typedef uint64_t efi_virt_addr_t;
typedef uint16_t efi_char16_t;
typedef struct {
uint32_t a;
uint16_t b;
uint16_t c;
uint8_t d[8];
} efi_guid_t;
typedef struct {
uint32_t type;
uint32_t pad;
efi_phys_addr_t phys_addr;
efi_virt_addr_t virt_addr;
uint64_t num_pages;
uint64_t attribute;
} efi_memory_desc_t;
typedef struct {
uint32_t red_mask;
uint32_t green_mask;
uint32_t blue_mask;
uint32_t rsvd_mask;
} efi_pixel_bitmask_t;
typedef struct {
uint32_t version;
uint32_t h_resolution;
uint32_t v_resolution;
int pixel_format;
efi_pixel_bitmask_t pixel_info;
uint32_t pixels_per_scan_line;
} efi_gop_mode_info_t;
typedef struct {
uint32_t max_mode;
uint32_t mode;
efi_gop_mode_info_t *info;
uintn_t info_size;
efi_phys_addr_t frame_buffer_base;
uintn_t frame_buffer_size;
} efi_gop_mode_t;
typedef struct efi_graphics_output_s {
efi_status_t (efiapi *query_mode)(struct efi_graphics_output_s *, uint32_t, uintn_t *, efi_gop_mode_info_t **);
efi_status_t (efiapi *set_mode)(struct efi_graphics_output_s *, uint32_t);
void *blt;
efi_gop_mode_t *mode;
} efi_graphics_output_t;
typedef struct {
uint64_t signature;
uint32_t revision;
uint32_t header_size;
uint32_t crc32;
uint32_t reserved;
} efi_table_header_t;
typedef struct {
uint16_t scan_code;
efi_char16_t ch;
} efi_input_key_t;
typedef struct efi_simple_text_in_s {
void *reset;
efi_status_t (efiapi *read_key_stroke)(struct efi_simple_text_in_s *, efi_input_key_t *);
void *test_string;
} efi_simple_text_in_t;
typedef struct efi_simple_text_out_s {
void *reset;
efi_status_t (efiapi *output_string)(struct efi_simple_text_out_s *, efi_char16_t *);
void *test_string;
} efi_simple_text_out_t;
typedef struct {
efi_table_header_t header;
void *raise_tpl;
void *restore_tpl;
efi_status_t (efiapi *allocate_pages)(int, int, uintn_t, efi_phys_addr_t *);
efi_status_t (efiapi *free_pages)(efi_phys_addr_t, uintn_t);
efi_status_t (efiapi *get_memory_map)(uintn_t *, void *, uintn_t *, uintn_t *, uint32_t *);
efi_status_t (efiapi *allocate_pool)(int, uintn_t, void **);
efi_status_t (efiapi *free_pool)(void *);
void *create_event;
void *set_timer;
void *wait_for_event;
void *signal_event;
void *close_event;
void *check_event;
void *install_protocol_interface;
void *reinstall_protocol_interface;
void *uninstall_protocol_interface;
efi_status_t (efiapi *handle_protocol)(efi_handle_t, efi_guid_t *, void **);
void *reserved;
void *register_protocol_notify;
efi_status_t (efiapi *locate_handle)(int, efi_guid_t *, void *, uintn_t *, efi_handle_t *);
void *locate_device_path;
efi_status_t (efiapi *install_configuration_table)(efi_guid_t *, void *);
void *load_image;
void *start_image;
void *exit;
void *unload_image;
efi_status_t (efiapi *exit_boot_services)(efi_handle_t, uintn_t);
void *get_next_monotonic_count;
void *stall;
void *set_watchdog_timer;
void *connect_controller;
efi_status_t (efiapi *disconnect_controller)(efi_handle_t, efi_handle_t, efi_handle_t);
void *open_protocol;
void *close_protocol;
void *open_protocol_information;
void *protocols_per_handle;
void *locate_handle_buffer;
efi_status_t (efiapi *locate_protocol)(efi_guid_t *, void *, void **);
void *install_multiple_protocol_interfaces;
void *uninstall_multiple_protocol_interfaces;
void *calculate_crc32;
void *copy_mem;
void *set_mem;
void *create_event_ex;
} efi_boot_services_t;
typedef struct {
efi_table_header_t header;
unsigned long get_time;
unsigned long set_time;
unsigned long get_wakeup_time;
unsigned long set_wakeup_time;
unsigned long set_virtual_address_map;
unsigned long convert_pointer;
unsigned long get_variable;
unsigned long get_next_variable;
unsigned long set_variable;
unsigned long get_next_high_mono_count;
efi_status_t (efiapi *reset_system)(int, int, int);
unsigned long update_capsule;
unsigned long query_capsule_caps;
unsigned long query_variable_info;
} efi_runtime_services_t;
typedef struct {
efi_guid_t guid;
uint32_t table;
} efi32_config_table_t;
typedef struct {
efi_guid_t guid;
uint64_t table;
} efi64_config_table_t;
typedef struct {
efi_guid_t guid;
void *table;
} efi_config_table_t;
typedef struct {
efi_table_header_t header;
uint32_t fw_vendor;
uint32_t fw_revision;
uint32_t con_in_handle;
uint32_t con_in;
uint32_t con_out_handle;
uint32_t con_out;
uint32_t std_err_handle;
uint32_t std_err;
uint32_t runtime_services;
uint32_t boot_services;
uint32_t num_config_tables;
uint32_t config_tables;
} efi32_system_table_t;
typedef struct {
efi_table_header_t header;
uint64_t fw_vendor;
uint32_t fw_revision;
uint32_t pad;
uint64_t con_in_handle;
uint64_t con_in;
uint64_t con_out_handle;
uint64_t con_out;
uint64_t std_err_handle;
uint64_t std_err;
uint64_t runtime_services;
uint64_t boot_services;
uint64_t num_config_tables;
uint64_t config_tables;
} efi64_system_table_t;
typedef struct {
efi_table_header_t header;
efi_char16_t *fw_vendor;
uint32_t fw_revision;
efi_handle_t con_in_handle;
efi_simple_text_in_t *con_in;
efi_handle_t con_out_handle;
efi_simple_text_out_t *con_out;
efi_handle_t std_err_handle;
efi_simple_text_out_t *std_err;
efi_runtime_services_t *runtime_services;
efi_boot_services_t *boot_services;
uintn_t num_config_tables;
efi_config_table_t *config_tables;
} efi_system_table_t;
typedef struct {
uint32_t revision;
efi_handle_t parent_handle;
efi_system_table_t *system_table;
efi_handle_t device_handle;
void *file_path;
void *reserved;
uint32_t load_options_size;
void *load_options;
void *image_base;
uint64_t image_size;
int image_code_type;
int image_data_type;
void *unload;
} efi_loaded_image_t;
#endif /* EFI_H */