mineswefi.git

/* mineswefi - uefi minesweeper
 * Copyright (C) 2025 ArcNyxx <olive@arcnyxx.net>
 * see LICENCE file for licensing information */

#ifndef EFI_H
#define EFI_H

#include <stdint.h>

typedef void * efi_handle_t;

typedef struct efi_guid {
	uint32_t data1;
	uint16_t data2;
	uint16_t data3;
	uint8_t data4[8];
} efi_guid_t;

#include "file.h"
#include "io.h"

typedef struct efi_table_header {
	uint64_t sig;
	uint32_t rev;
	uint32_t len;
	uint32_t crc32;
	uint32_t reserved;
} efi_table_header_t;


typedef struct efi_boot {
	efi_table_header_t head;

	void *RaiseTPL;
	void *RestoreTPL;

	void *AllocatePages;
	void *FreePages;
	void *GetMemoryMap;
	void *AllocatePool;
	void *FreePool;

	void *CreateEvent;
	void *SetTimer;
	void *WaitForEvent;
	void *SignalEvent;
	void *CloseEvent;
	void *CheckEvent;

	void *InstallProtocolInterface;
	void *ReinstallProtocolInterface;
	void *UninstallProtocolInterface;
	void *HandleProtocol;
	void *Reserved;
	void *RegisterProtocolNotify;
	void *LocateHandle;
	void *LocateDevicePath;
	void *InstallConfigurationTable;

	void *LoadImage;
	void *StartImage;
	void *Exit;
	void *UnloadImage;
	void *ExitBootServices;

	void *GetNextMonotonicCount;
	void *Stall;
	void *SetWatchdogTimer;

	void *ConnectController;
	void *DisconnectController;

	uint64_t (*open_proto)(void *handle, efi_guid_t *proto,
			void **interface, void *agent, void *controller,
			uint32_t attr);
	void *CloseProtocol;
	void *OpenProtocolInformation;
							     
	void *ProtocolsPerHandle;
	void *LocateHandleBuffer;
	void *LocateProtocol;
	void *InstallMultipleProtocolInterfaces;
	void *UninstallMultipleProtocolInterfaces;

	void *CalculateCrc32;

	void *CopyMem;
	void *SetMem;
	void *CreateEventEx;
} efi_boot_t;

typedef struct efi_runtime {
	efi_table_header_t head;

	void *GetTime;
	void *SetTime;
	void *GetWakeupTime;
	void *SetWakeupTime;

	void *SetVirtualAddressMap;
	void *ConvertPointer;

	void *GetVariable;
	void *GetNextVariableName;
	void *SetVariable;

	void *GetNextHighMonotonicCount;
	void *ResetSystem;

	void *UpdateCapsule;
	void *QueryCapsuleCapabilities;

	void *QueryVariableInfo;
} efi_runtime_t;

typedef struct efi_table {
	efi_table_header_t head;
	int16_t *vendor;
	uint32_t rev;

	void *stdin_handle;
	efi_text_input_t *stdin;
	void *stdout_handle;
	efi_text_output_t *stdout;
	void *stderr_handle;
	efi_text_output_t *stderr;

	efi_runtime_t *runtime;
	efi_boot_t *boot;

	uint64_t len;
	struct {
		efi_guid_t guid;
		void *table;
	} config;
} efi_table_t;

#endif /* EFI_H */