2fc59a003e
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10604 6f19259b-4bc3-4df7-8a09-765794883524
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/** @file
|
|
UEFI Runtime Services Table Library.
|
|
|
|
This library instance retrieve EFI_RUNTIME_SERVICES pointer from EFI system table
|
|
in library's constructor.
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
|
|
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.
|
|
|
|
**/
|
|
|
|
#include <Uefi.h>
|
|
#include <Library/DebugLib.h>
|
|
|
|
EFI_RUNTIME_SERVICES *gRT = NULL;
|
|
|
|
/**
|
|
The constructor function caches the pointer of Runtime Services Table.
|
|
|
|
The constructor function caches the pointer of Runtime Services Table.
|
|
It will ASSERT() if the pointer of Runtime Services Table is NULL.
|
|
It will always return EFI_SUCCESS.
|
|
|
|
@param ImageHandle The firmware allocated handle for the EFI image.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UefiRuntimeServicesTableLibConstructor (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
//
|
|
// Cache pointer to the EFI Runtime Services Table
|
|
//
|
|
gRT = SystemTable->RuntimeServices;
|
|
ASSERT (gRT != NULL);
|
|
return EFI_SUCCESS;
|
|
}
|