【无标题】BOOT SERVICES函数实现原型：

//
// DXE Core Module Variables
//
EFI_BOOT_SERVICES mBootServices = {
{
EFI_BOOT_SERVICES_SIGNATURE, // Signature
EFI_BOOT_SERVICES_REVISION, // Revision
sizeof (EFI_BOOT_SERVICES), // HeaderSize
0, // CRC32
0 // Reserved
},
(EFI_RAISE_TPL) CoreRaiseTpl, // RaiseTPL
(EFI_RESTORE_TPL) CoreRestoreTpl, // RestoreTPL
(EFI_ALLOCATE_PAGES) CoreAllocatePages, // AllocatePages
(EFI_FREE_PAGES) CoreFreePages, // FreePages
(EFI_GET_MEMORY_MAP) CoreGetMemoryMap, // GetMemoryMap
(EFI_ALLOCATE_POOL) CoreAllocatePool, // AllocatePool
(EFI_FREE_POOL) CoreFreePool, // FreePool
(EFI_CREATE_EVENT) CoreCreateEvent, // CreateEvent
(EFI_SET_TIMER) CoreSetTimer, // SetTimer
(EFI_WAIT_FOR_EVENT) CoreWaitForEvent, // WaitForEvent
(EFI_SIGNAL_EVENT) CoreSignalEvent, // SignalEvent
(EFI_CLOSE_EVENT) CoreCloseEvent, // CloseEvent
(EFI_CHECK_EVENT) CoreCheckEvent, // CheckEvent
(EFI_INSTALL_PROTOCOL_INTERFACE) CoreInstallProtocolInterface, // InstallProtocolInterface
(EFI_REINSTALL_PROTOCOL_INTERFACE) CoreReinstallProtocolInterface, // ReinstallProtocolInterface
(EFI_UNINSTALL_PROTOCOL_INTERFACE) CoreUninstallProtocolInterface, // UninstallProtocolInterface
(EFI_HANDLE_PROTOCOL) CoreHandleProtocol, // HandleProtocol
(VOID *) NULL, // Reserved
(EFI_REGISTER_PROTOCOL_NOTIFY) CoreRegisterProtocolNotify, // RegisterProtocolNotify
(EFI_LOCATE_HANDLE) CoreLocateHandle, // LocateHandle
(EFI_LOCATE_DEVICE_PATH) CoreLocateDevicePath, // LocateDevicePath
(EFI_INSTALL_CONFIGURATION_TABLE) CoreInstallConfigurationTable, // InstallConfigurationTable
(EFI_IMAGE_LOAD) CoreLoadImage, // LoadImage
(EFI_IMAGE_START) CoreStartImage, // StartImage
(EFI_EXIT) CoreExit, // Exit
(EFI_IMAGE_UNLOAD) CoreUnloadImage, // UnloadImage
(EFI_EXIT_BOOT_SERVICES) CoreExitBootServices, // ExitBootServices
(EFI_GET_NEXT_MONOTONIC_COUNT) CoreEfiNotAvailableYetArg1, // GetNextMonotonicCount
(EFI_STALL) CoreStall, // Stall
(EFI_SET_WATCHDOG_TIMER) CoreSetWatchdogTimer, // SetWatchdogTimer
(EFI_CONNECT_CONTROLLER) CoreConnectController, // ConnectController
(EFI_DISCONNECT_CONTROLLER) CoreDisconnectController, // DisconnectController
(EFI_OPEN_PROTOCOL) CoreOpenProtocol, // OpenProtocol
(EFI_CLOSE_PROTOCOL) CoreCloseProtocol, // CloseProtocol
(EFI_OPEN_PROTOCOL_INFORMATION) CoreOpenProtocolInformation, // OpenProtocolInformation
(EFI_PROTOCOLS_PER_HANDLE) CoreProtocolsPerHandle, // ProtocolsPerHandle
(EFI_LOCATE_HANDLE_BUFFER) CoreLocateHandleBuffer, // LocateHandleBuffer
(EFI_LOCATE_PROTOCOL) CoreLocateProtocol, // LocateProtocol
(EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreInstallMultipleProtocolInterfaces, // InstallMultipleProtocolInterfaces
(EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES) CoreUninstallMultipleProtocolInterfaces, // UninstallMultipleProtocolInterfaces
(EFI_CALCULATE_CRC32) CoreEfiNotAvailableYetArg3, // CalculateCrc32
(EFI_COPY_MEM) CopyMem, // CopyMem
(EFI_SET_MEM) SetMem, // SetMem
(EFI_CREATE_EVENT_EX) CoreCreateEventEx // CreateEventEx
};

///
/// EFI Boot Services Table.
///
typedef struct {
///
/// The table header for the EFI Boot Services Table.
///
EFI_TABLE_HEADER Hdr;

//
// Task Priority Services
//
EFI_RAISE_TPL RaiseTPL;
EFI_RESTORE_TPL RestoreTPL;

//
// Memory Services
//
EFI_ALLOCATE_PAGES AllocatePages;
EFI_FREE_PAGES FreePages;
EFI_GET_MEMORY_MAP GetMemoryMap;
EFI_ALLOCATE_POOL AllocatePool;
EFI_FREE_POOL FreePool;

//
// Event & Timer Services
//
EFI_CREATE_EVENT CreateEvent;
EFI_SET_TIMER SetTimer;
EFI_WAIT_FOR_EVENT WaitForEvent;
EFI_SIGNAL_EVENT SignalEvent;
EFI_CLOSE_EVENT CloseEvent;
EFI_CHECK_EVENT CheckEvent;

//
// Protocol Handler Services
//
EFI_INSTALL_PROTOCOL_INTERFACE InstallProtocolInterface;
EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface;
EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface;
EFI_HANDLE_PROTOCOL HandleProtocol;
VOID *Reserved;
EFI_REGISTER_PROTOCOL_NOTIFY RegisterProtocolNotify;
EFI_LOCATE_HANDLE LocateHandle;
EFI_LOCATE_DEVICE_PATH LocateDevicePath;
EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable;

//
// Image Services
//
EFI_IMAGE_LOAD LoadImage;
EFI_IMAGE_START StartImage;
EFI_EXIT Exit;
EFI_IMAGE_UNLOAD UnloadImage;
EFI_EXIT_BOOT_SERVICES ExitBootServices;

//
// Miscellaneous Services
//
EFI_GET_NEXT_MONOTONIC_COUNT GetNextMonotonicCount;
EFI_STALL Stall;
EFI_SET_WATCHDOG_TIMER SetWatchdogTimer;

//
// DriverSupport Services
//
EFI_CONNECT_CONTROLLER ConnectController;
EFI_DISCONNECT_CONTROLLER DisconnectController;

//
// Open and Close Protocol Services
//
EFI_OPEN_PROTOCOL OpenProtocol;
EFI_CLOSE_PROTOCOL CloseProtocol;
EFI_OPEN_PROTOCOL_INFORMATION OpenProtocolInformation;

//
// Library Services
//
EFI_PROTOCOLS_PER_HANDLE ProtocolsPerHandle;
EFI_LOCATE_HANDLE_BUFFER LocateHandleBuffer;
EFI_LOCATE_PROTOCOL LocateProtocol;
EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces;
EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces;

//
// 32-bit CRC Services
//
EFI_CALCULATE_CRC32 CalculateCrc32;

//
// Miscellaneous Services
//
EFI_COPY_MEM CopyMem;
EFI_SET_MEM SetMem;
EFI_CREATE_EVENT_EX CreateEventEx;
} EFI_BOOT_SERVICES;