MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.c File Reference


Functions

EFI_STATUS EFIAPI UefiBootServicesTableLibConstructor (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Variables

EFI_HANDLE gImageHandle = NULL
EFI_SYSTEM_TABLEgST = NULL
EFI_BOOT_SERVICESgBS = NULL

Detailed Description

This library retrieve the EFI_BOOT_SERVICES pointer from EFI system table in library's constructor.

Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.


Function Documentation

EFI_STATUS EFIAPI UefiBootServicesTableLibConstructor ( IN EFI_HANDLE  ImageHandle,
IN EFI_SYSTEM_TABLE SystemTable 
)

The constructor function caches the pointer of Boot Services Table.

The constructor function caches the pointer of Boot Services Table through System Table. It will ASSERT() if the pointer of System Table is NULL. It will ASSERT() if the pointer of Boot Services Table is NULL. It will always return EFI_SUCCESS.

Parameters:
ImageHandle The firmware allocated handle for the EFI image.
SystemTable A pointer to the EFI System Table.
Return values:
EFI_SUCCESS The constructor always returns EFI_SUCCESS.

References ASSERT, EFI_SUCCESS, gImageHandle, and NULL.


Variable Documentation

Cache pointer to the EFI Boot Services Table

Referenced by _ModuleEntryPoint(), CreatePopUp(), DevicePathFromHandle(), DevicePathLibConstructor(), DxeExtendedSalLibConstruct(), DxeRuntimeExtendedSalLibConstruct(), DxeRuntimeExtendedSalLibDeconstruct(), DxeRuntimePciExpressLibConstructor(), DxeRuntimePciExpressLibDestructor(), DxeSalLibInitialize(), EfiAcquireLock(), EfiAcquireLockOrFail(), EfiCreateEventLegacyBootEx(), EfiCreateEventReadyToBootEx(), EfiCreateProtocolNotifyEvent(), EfiGetCurrentTpl(), EfiLibInstallAllDriverProtocols(), EfiLibInstallAllDriverProtocols2(), EfiLibInstallDriverBinding(), EfiLibInstallDriverBindingComponentName2(), EfiNamedEventListen(), EfiNamedEventSignal(), EfiReleaseLock(), EfiSignalEventLegacyBoot(), EfiSignalEventReadyToBoot(), EfiTestChildHandle(), EfiTestManagedDevice(), Exit(), ExtractGuidedSectionRegisterHandlers(), FreeAlignedPages(), FreePages(), FreePool(), GetFileBufferByFilePath(), GetPcdInfoProtocolPointer(), GetPcdProtocol(), GetPiPcdInfoProtocolPointer(), GetPiPcdProtocol(), GetSectionFromAnyFv(), GetSectionFromAnyFvByFileType(), HstiLibSetTable(), InternalAllocateAlignedPages(), InternalAllocatePages(), InternalAllocatePool(), InternalGetSectionFromFv(), InternalHstiFindAip(), InternalImageHandleToFvHandle(), InternalMemCopyMem(), InternalMemSetMem(), InternalPrintGraphic(), IoLibConstructor(), PciLibConstructor(), PciSegmentLibConstructor(), RegisterEsalClass(), RuntimeDriverLibConstruct(), RuntimeDriverLibDeconstruct(), SmbusLibConstructor(), SmmMemLibConstructor(), SmmMemoryAllocationLibConstructor(), UefiDevicePathLibLocateProtocol(), and UefiDevicePathLibOptionalDevicePathProtocolConstructor().


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