mirror of https://github.com/acidanthera/audk.git
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/** @file
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PEI Services Table Pointer Library.
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Copyright (c) 2006, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiPei.h>
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#include <Library/PeiServicesTablePointerLib.h>
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#include <Library/DebugLib.h>
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#include "PeiServicesTablePointerInternal.h"
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static EFI_PEI_SERVICES **gPeiServices;
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/**
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The function set the pointer of PEI services immediately preceding the IDT table
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according to PI specification.
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@param PeiServices The address of PeiServices pointer.
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**/
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VOID
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EFIAPI
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SetPeiServicesTablePointer (
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EFI_PEI_SERVICES **PeiServices
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)
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{
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gPeiServices = PeiServices;
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}
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/**
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The function returns the pointer to PEI services.
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The function returns the pointer to PEI services.
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It will ASSERT() if the pointer to PEI services is NULL.
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@retval The pointer to PeiServices.
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**/
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EFI_PEI_SERVICES **
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GetPeiServicesTablePointer (
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VOID
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)
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{
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ASSERT (gPeiServices != NULL);
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return gPeiServices;
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}
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/**
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The constructor function caches the pointer to PEI services.
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The constructor function caches the pointer to PEI services.
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It will always return EFI_SUCCESS.
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@param FfsHeader Pointer to FFS header the loaded driver.
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@param PeiServices Pointer to the PEI services.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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PeiServicesTablePointerLibConstructor (
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IN EFI_PEI_FILE_HANDLE *FfsHeader,
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IN EFI_PEI_SERVICES **PeiServices
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)
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{
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gPeiServices = PeiServices;
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return EFI_SUCCESS;
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}
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/**
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After memory initialization in PEI phase, the IDT table in temporary memory should
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be migrated to memory, and the address of PeiServicesPointer also need to be updated
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immediately preceding the new IDT table.
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@param PeiServices The address of PeiServices pointer.
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**/
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VOID
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MigrateIdtTable (
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IN EFI_PEI_SERVICES **PeiServices
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)
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{
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}
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