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This commit is contained in:
Jozef Nagy
commit
828603e9dc
3 changed files with 311 additions and 0 deletions
79
_types.h
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79
_types.h
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#ifndef EFI_TYPES_H
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#define EFI_TYPES_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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// Wide character
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typedef uint_least16_t char16_t;
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// Common UEFI Data types
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typedef uint8_t BOOLEAN;
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typedef int8_t INT8;
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typedef uint8_t UINT8;
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typedef int16_t INT16;
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typedef uint16_t UINT16;
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typedef int32_t INT32;
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typedef uint32_t UINT32;
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typedef int64_t INT64;
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typedef uint64_t UINT64;
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typedef int64_t INTN;
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typedef uint64_t UINTN;
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typedef char CHAR8;
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typedef char16_t CHAR16;
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typedef void VOID;
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typedef UINTN EFI_STATUS;
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typedef VOID *EFI_HANDLE;
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typedef VOID *EFI_EVENT;
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typedef UINT64 EFI_LBA;
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typedef UINTN EFI_TPL;
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// https://github.com/tianocore/edk2/blob/master/MdePkg/Include/Base.h
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#define IN
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#define OUT
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#define OPTIONAL
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#define CONST const
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// x86_64 Microsoft calling convention
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// https://github.com/vathpela/gnu-efi/blob/master/inc/x86_64/efibind.h
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#define EFIAPI __attribute__((ms_abi))
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// EFI Status Codes
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#define EFI_SUCCESS 0
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// Text color attributes
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#define EFI_BLACK 0x00
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#define EFI_BLUE 0x01
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#define EFI_GREEN 0x02
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#define EFI_CYAN 0x03
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#define EFI_RED 0x04
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#define EFI_MAGENTA 0x05
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#define EFI_BROWN 0x06
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#define EFI_LIGHTGRAY 0x07
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#define EFI_BRIGHT 0x08
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#define EFI_DARKGRAY (EFI_BLACK | EFI_BRIGHT) 0x08
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#define EFI_LIGHTBLUE 0x09
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#define EFI_LIGHTGREEN 0x0A
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#define EFI_LIGHTCYAN 0x0B
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#define EFI_LIGHTRED 0x0C
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#define EFI_LIGHTMAGENTA 0x0D
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#define EFI_YELLOW 0x0E
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#define EFI_WHITE 0x0F
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// Text background colors
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#define EFI_BACKGROUND_BLACK 0x00
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#define EFI_BACKGROUND_BLUE 0x10
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#define EFI_BACKGROUND_GREEN 0x20
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#define EFI_BACKGROUND_CYAN 0x30
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#define EFI_BACKGROUND_RED 0x40
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#define EFI_BACKGROUND_MAGENTA 0x50
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#define EFI_BACKGROUND_BROWN 0x60
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#define EFI_BACKGROUND_LIGHTGRAY 0x70
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// Converts Foreground and Background colors into a single value
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#define EFI_TEXT_ATTR(Foreground,Background) \
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((Foreground) | ((Background) << 4))
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#endif /* EFI_TYPES_H */
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225
efi.h
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225
efi.h
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#ifndef EFI_H
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#define EFI_H
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#include "guid.h"
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#include "_types.h"
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// EFI Simple Text Input Protocol
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typedef struct EFI_SIMPLE_TEXT_INPUT_PROTOCOL EFI_SIMPLE_TEXT_INPUT_PROTOCOL;
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// EFI Simple Text Output Protocol
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typedef struct EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL;
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// EFI Runtime Services
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typedef struct EFI_RUNTIME_SERVICES EFI_RUNTIME_SERVICES;
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// EFI System Table
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typedef struct EFI_SYSTEM_TABLE EFI_SYSTEM_TABLE;
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// EFI Simple Text Output Mode
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typedef struct {
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INT32 MaxNode;
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// Current settings
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INT32 Mode;
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INT32 Attribute;
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INT32 CursorColumn;
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INT32 CursorRow;
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BOOLEAN CursorVisible;
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} SIMPLE_TEXT_OUTPUT_MODE;
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// Input Key
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typedef struct {
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UINT16 ScanCode;
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CHAR16 UnicodeChar;
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} EFI_INPUT_KEY;
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// EFI Table Header
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typedef struct {
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UINT64 Signature;
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UINT32 Revision;
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UINT32 HeaderSize;
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UINT32 CRC32;
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UINT32 Reserved;
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} EFI_TABLE_HEADER;
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// EFI Reset Type
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typedef enum {
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EfiResetCold,
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EfiResetWarm,
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EfiResetShutdown,
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EfiResetPlatformSpecific
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} EFI_RESET_TYPE;
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/**********************
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* FUNCTIONS *
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**********************/
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typedef EFI_STATUS
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(EFIAPI *EFI_IMAGE_ENTRY_POINT)(
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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// EFI Simple Text Input Protocol
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typedef
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EFI_STATUS
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(EFIAPI *EFI_INPUT_READ_KEY)(
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IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
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OUT EFI_INPUT_KEY *Key
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);
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// EFI Simple Text Output Protocol
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_RESET)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_STRING)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *String
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_TEST_STRING)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *String
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_QUERY_MODE)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber,
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OUT UINTN *Columns,
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OUT UINTN *Rows
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_SET_MODE)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_SET_ATTRIBUTE)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN Attribute
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_CLEAR_SCREEN)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_SET_CURSOR_POSITION)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN Column,
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IN UINTN Row
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);
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typedef
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EFI_STATUS
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(EFIAPI *EFI_TEXT_ENABLE_CURSOR)(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN BOOLEAN Visible
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);
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// EFI Runtime Services
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typedef
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VOID
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(EFIAPI *EFI_RESET_SYSTEM)(
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IN EFI_RESET_TYPE ResetType,
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IN EFI_STATUS ResetStatus,
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IN UINTN DataSize,
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IN VOID *ResetData OPTIONAL
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);
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/**********************
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* Protocols & Tables *
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**********************/
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// EFI Simple Text Input Protocol
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typedef struct EFI_SIMPLE_TEXT_INPUT_PROTOCOL {
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void *Reset;
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EFI_INPUT_READ_KEY ReadKeyStroke;
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void *WaitForKey;
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} EFI_SIMPLE_TEXT_INPUT_PROTOCOL;
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// EFI Simple Text Output Protocol
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typedef struct EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL {
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EFI_TEXT_RESET Reset;
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EFI_TEXT_STRING OutputString;
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EFI_TEXT_TEST_STRING TestString;
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EFI_TEXT_QUERY_MODE QueryMode;
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EFI_TEXT_SET_MODE SetMode;
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EFI_TEXT_SET_ATTRIBUTE SetAttribute;
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EFI_TEXT_CLEAR_SCREEN ClearScreen;
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EFI_TEXT_SET_CURSOR_POSITION SetCursorPosition;
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EFI_TEXT_ENABLE_CURSOR EnableCursor;
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SIMPLE_TEXT_OUTPUT_MODE *Mode;
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} EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL;
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// EFI Runtime Services
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typedef struct EFI_RUNTIME_SERVICES {
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EFI_TABLE_HEADER Hdr;
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// Time Services
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void *GetTime;
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void *SetTime;
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void *GetWakeupTime;
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void *SetWakeupTime;
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// Virtual Memory Services
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void *SetVirtualAddressMap;
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void *ConvertPointer;
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// Variable Services
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void *GetVariable;
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void *GetNextVariableName;
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void *SetVariable;
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// Miscellaneous Services
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void *GetNextHighMonotonicCount;
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EFI_RESET_SYSTEM ResetSystem;
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// UEFI 2.0 Capsule Services
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void *UpdateCapsule;
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void *QueryCapsuleCapabilities;
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// Miscellaneous UEFI 2.0 Service
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void *QueryVariableInfo;
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} EFI_RUNTIME_SERVICES;
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// EFI System Table
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typedef struct EFI_SYSTEM_TABLE {
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EFI_TABLE_HEADER Hdr;
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void *FirmwareVendor;
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UINT32 FirmwareRevision;
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void *ConsoleInHandle;
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EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;
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void *ConsoleOutHandle;
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EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;
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void *StandardErrorHandle;
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void *StdErr;
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EFI_RUNTIME_SERVICES *RuntimeServices;
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void *BootServices;
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UINTN NumberOfTableEntries;
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void *ConfigurationTable;
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} EFI_SYSTEM_TABLE;
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#endif /* EFI_H */
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7
guid.h
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7
guid.h
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#ifndef GUID_H
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#define GUID_H
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#define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID {0x387477c1,0x69c7,0x11d2, {0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b}}
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#define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID {0x387477c2,0x69c7,0x11d2, {0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b}}
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#endif /* GUID_H */
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