mirror of https://github.com/acidanthera/audk.git
Add BasePcdLibNull in MdePkg.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3481 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
yshang1
parent
8fca1f0545
commit
bbfaace453
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@ -0,0 +1,41 @@
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#/** @file
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# Component description file for NULL PCD Library
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#
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# Copyright (c) 2007, Intel Corporation.
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#
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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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#
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#**/
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = BasePcdLibNull
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FILE_GUID = 40096a3a-5c2a-4fbc-aef7-5475dd7ab334
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = PcdLib
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EDK_RELEASE_VERSION = 0x00020000
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EFI_SPECIFICATION_VERSION = 0x00020000
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC
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#
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[Sources.common]
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PcdLib.c
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[LibraryClasses]
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DebugLib
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BaseMemoryLib
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[Packages]
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MdePkg/MdePkg.dec
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<?xml version="1.0" encoding="UTF-8"?>
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<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
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<MsaHeader>
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<ModuleName>BasePcdLibNull</ModuleName>
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<ModuleType>BASE</ModuleType>
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<GuidValue>40096a3a-5c2a-4fbc-aef7-5475dd7ab334</GuidValue>
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<Version>1.0</Version>
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<Abstract>Component description file for NULL PCD Library</Abstract>
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<Description>PCD Library that only provides access to Feature Flag, Fixed At Build,
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and Binary Patch typed PCD entries. Access to Dynamic PCD entries are ignored.</Description>
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<Copyright>Copyright (c) 2006, Intel Corporation</Copyright>
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<License>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.</License>
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<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
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</MsaHeader>
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<ModuleDefinitions>
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<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
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<BinaryModule>false</BinaryModule>
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<OutputFileBasename>BasePcdLibNull</OutputFileBasename>
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</ModuleDefinitions>
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<LibraryClassDefinitions>
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<LibraryClass Usage="ALWAYS_PRODUCED">
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<Keyword>PcdLib</Keyword>
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</LibraryClass>
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<LibraryClass Usage="ALWAYS_CONSUMED">
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<Keyword>DebugLib</Keyword>
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</LibraryClass>
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<LibraryClass Usage="ALWAYS_CONSUMED">
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<Keyword>BaseMemoryLib</Keyword>
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</LibraryClass>
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</LibraryClassDefinitions>
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<SourceFiles>
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<Filename>PcdLib.c</Filename>
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</SourceFiles>
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<PackageDependencies>
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<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
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</PackageDependencies>
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<Externs>
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<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
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<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
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</Externs>
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</ModuleSurfaceArea>
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/** @file
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A emptry template implementation of PCD Library.
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Copyright (c) 2006, Intel Corporation
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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/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <Library/BaseMemoryLib.h>
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/**
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Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.
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@param[in] SkuId The SKU value that will be used when the PCD service will retrieve and
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set values associated with a PCD token.
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@retval SKU_ID Return the SKU ID that just be set.
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**/
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UINTN
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EFIAPI
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LibPcdSetSku (
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IN UINTN SkuId
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)
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{
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ASSERT (SkuId < 0x100);
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return SkuId;
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}
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/**
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Returns the 8-bit value for the token specified by TokenNumber.
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@param[in] The PCD token number to retrieve a current value for.
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@retval UINT8 Returns the 8-bit value for the token specified by TokenNumber.
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**/
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UINT8
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EFIAPI
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LibPcdGet8 (
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IN UINTN TokenNumber
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)
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{
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return 0;
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}
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/**
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Returns the 16-bit value for the token specified by TokenNumber.
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@param[in] The PCD token number to retrieve a current value for.
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@retval UINT16 Returns the 16-bit value for the token specified by TokenNumber.
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**/
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UINT16
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EFIAPI
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LibPcdGet16 (
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IN UINTN TokenNumber
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)
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{
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return 0;
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}
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/**
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Returns the 32-bit value for the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.
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**/
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UINT32
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EFIAPI
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LibPcdGet32 (
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IN UINTN TokenNumber
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)
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{
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return 0;
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}
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/**
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Returns the 64-bit value for the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.
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**/
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UINT64
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EFIAPI
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LibPcdGet64 (
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IN UINTN TokenNumber
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)
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{
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return 0;
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}
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/**
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Returns the pointer to the buffer of the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval VOID* Returns the pointer to the token specified by TokenNumber.
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**/
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VOID *
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EFIAPI
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LibPcdGetPtr (
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IN UINTN TokenNumber
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)
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{
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return 0;
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}
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/**
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Returns the Boolean value of the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber.
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**/
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BOOLEAN
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EFIAPI
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LibPcdGetBool (
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IN UINTN TokenNumber
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)
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{
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return 0;
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}
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/**
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Returns the size of the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINTN Returns the size of the token specified by TokenNumber.
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**/
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UINTN
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EFIAPI
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LibPcdGetSize (
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IN UINTN TokenNumber
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)
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{
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return 0;
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}
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/**
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Returns the 8-bit value for the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT8 Return the UINT8.
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**/
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UINT8
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EFIAPI
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LibPcdGetEx8 (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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)
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{
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ASSERT (Guid != NULL);
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return 0;
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}
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/**
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Returns the 16-bit value for the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT16 Return the UINT16.
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**/
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UINT16
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EFIAPI
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LibPcdGetEx16 (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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)
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{
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ASSERT (Guid != NULL);
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return 0;
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}
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/**
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Returns the 32-bit value for the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT32 Return the UINT32.
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**/
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UINT32
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EFIAPI
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LibPcdGetEx32 (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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)
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{
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ASSERT (Guid != NULL);
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return 0;
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}
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/**
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Returns the 64-bit value for the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT64 Return the UINT64.
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**/
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UINT64
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EFIAPI
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LibPcdGetEx64 (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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)
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{
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ASSERT (Guid != NULL);
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return 0;
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}
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/**
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Returns the pointer to the buffer of the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval VOID* Return the VOID* pointer.
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**/
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VOID *
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EFIAPI
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LibPcdGetExPtr (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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)
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{
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ASSERT (Guid != NULL);
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return 0;
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}
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|
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/**
|
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Returns the Boolean value of the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval BOOLEAN Return the BOOLEAN.
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**/
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BOOLEAN
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EFIAPI
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LibPcdGetExBool (
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IN CONST GUID *Guid,
|
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IN UINTN TokenNumber
|
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)
|
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{
|
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ASSERT (Guid != NULL);
|
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|
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return 0;
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}
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|
||||
|
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|
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/**
|
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Returns the size of the token specified by TokenNumber and Guid.
|
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If Guid is NULL, then ASSERT().
|
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|
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@param[in] Guid Pointer to a 128-bit unique value that designates
|
||||
which namespace to retrieve a value from.
|
||||
@param[in] TokenNumber The PCD token number to retrieve a current value for.
|
||||
|
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@retval UINTN Return the size.
|
||||
|
||||
**/
|
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UINTN
|
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EFIAPI
|
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LibPcdGetExSize (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber
|
||||
)
|
||||
{
|
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ASSERT (Guid != NULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 8-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 8-bit value to set.
|
||||
|
||||
@retval UINT8 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT8
|
||||
EFIAPI
|
||||
LibPcdSet8 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT8 Value
|
||||
)
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 16-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 16-bit value to set.
|
||||
|
||||
@retval UINT16 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT16
|
||||
EFIAPI
|
||||
LibPcdSet16 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT16 Value
|
||||
)
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 32-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 32-bit value to set.
|
||||
|
||||
@retval UINT32 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT32
|
||||
EFIAPI
|
||||
LibPcdSet32 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT32 Value
|
||||
)
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 64-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 64-bit value to set.
|
||||
|
||||
@retval UINT64 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT64
|
||||
EFIAPI
|
||||
LibPcdSet64 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT64 Value
|
||||
)
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets a buffer for the token specified by TokenNumber to
|
||||
the value specified by Buffer and SizeOfValue. Buffer to
|
||||
be set is returned. The content of the buffer could be
|
||||
overwritten if a Callback on SET is registered with this
|
||||
TokenNumber.
|
||||
|
||||
If SizeOfValue is greater than the maximum
|
||||
size support by TokenNumber, then set SizeOfValue to the
|
||||
maximum size supported by TokenNumber and return NULL to
|
||||
indicate that the set operation was not actually performed.
|
||||
|
||||
If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in,out] SizeOfBuffer The size, in bytes, of Buffer.
|
||||
@param[in] Value A pointer to the buffer to set.
|
||||
|
||||
@retval VOID* Return the pointer for the buffer been set.
|
||||
|
||||
**/
|
||||
VOID *
|
||||
EFIAPI
|
||||
LibPcdSetPtr (
|
||||
IN UINTN TokenNumber,
|
||||
IN OUT UINTN *SizeOfBuffer,
|
||||
IN VOID *Buffer
|
||||
)
|
||||
{
|
||||
ASSERT (SizeOfBuffer != NULL);
|
||||
|
||||
if (*SizeOfBuffer > 0) {
|
||||
ASSERT (Buffer != NULL);
|
||||
}
|
||||
|
||||
return Buffer;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the Boolean value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The boolean value to set.
|
||||
|
||||
@retval BOOLEAN Return the value been set.
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
LibPcdSetBool (
|
||||
IN UINTN TokenNumber,
|
||||
IN BOOLEAN Value
|
||||
)
|
||||
{
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 8-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 8-bit value to set.
|
||||
|
||||
@retval UINT8 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT8
|
||||
EFIAPI
|
||||
LibPcdSetEx8 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT8 Value
|
||||
)
|
||||
{
|
||||
ASSERT (Guid != NULL);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 16-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 16-bit value to set.
|
||||
|
||||
@retval UINT8 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT16
|
||||
EFIAPI
|
||||
LibPcdSetEx16 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT16 Value
|
||||
)
|
||||
{
|
||||
ASSERT (Guid != NULL);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 32-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 32-bit value to set.
|
||||
|
||||
@retval UINT32 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT32
|
||||
EFIAPI
|
||||
LibPcdSetEx32 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT32 Value
|
||||
)
|
||||
{
|
||||
ASSERT (Guid != NULL);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 64-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 64-bit value to set.
|
||||
|
||||
@retval UINT64 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT64
|
||||
EFIAPI
|
||||
LibPcdSetEx64 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT64 Value
|
||||
)
|
||||
{
|
||||
ASSERT (Guid != NULL);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets a buffer for the token specified by TokenNumber to the value specified by
|
||||
Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than
|
||||
the maximum size support by TokenNumber, then set SizeOfValue to the maximum size
|
||||
supported by TokenNumber and return NULL to indicate that the set operation
|
||||
was not actually performed.
|
||||
|
||||
If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in, out] SizeOfBuffer The size, in bytes, of Buffer.
|
||||
@param[in] Buffer A pointer to the buffer to set.
|
||||
|
||||
@retval VOID * Return the pinter to the buffer been set.
|
||||
|
||||
**/
|
||||
VOID *
|
||||
EFIAPI
|
||||
LibPcdSetExPtr (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN OUT UINTN *SizeOfBuffer,
|
||||
IN VOID *Buffer
|
||||
)
|
||||
{
|
||||
ASSERT (Guid != NULL);
|
||||
|
||||
ASSERT (SizeOfBuffer != NULL);
|
||||
|
||||
if (*SizeOfBuffer > 0) {
|
||||
ASSERT (Buffer != NULL);
|
||||
}
|
||||
|
||||
return Buffer;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the Boolean value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The Boolean value to set.
|
||||
|
||||
@retval Boolean Return the value been set.
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
LibPcdSetExBool (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN BOOLEAN Value
|
||||
)
|
||||
{
|
||||
ASSERT (Guid != NULL);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
When the token specified by TokenNumber and Guid is set,
|
||||
then notification function specified by NotificationFunction is called.
|
||||
If Guid is NULL, then the default token space is used.
|
||||
If NotificationFunction is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that designates which
|
||||
namespace to set a value from. If NULL, then the default
|
||||
token space is used.
|
||||
@param[in] TokenNumber The PCD token number to monitor.
|
||||
@param[in] NotificationFunction The function to call when the token
|
||||
specified by Guid and TokenNumber is set.
|
||||
|
||||
@retval VOID
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
LibPcdCallbackOnSet (
|
||||
IN CONST GUID *Guid, OPTIONAL
|
||||
IN UINTN TokenNumber,
|
||||
IN PCD_CALLBACK NotificationFunction
|
||||
)
|
||||
{
|
||||
ASSERT (NotificationFunction != NULL);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Disable a notification function that was established with LibPcdCallbackonSet().
|
||||
If NotificationFunction is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Specify the GUID token space.
|
||||
@param[in] TokenNumber Specify the token number.
|
||||
@param[in] NotificationFunction The callback function to be unregistered.
|
||||
|
||||
@retval VOID
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
LibPcdCancelCallback (
|
||||
IN CONST GUID *Guid, OPTIONAL
|
||||
IN UINTN TokenNumber,
|
||||
IN PCD_CALLBACK NotificationFunction
|
||||
)
|
||||
{
|
||||
ASSERT (NotificationFunction != NULL);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Retrieves the next PCD token number from the token space specified by Guid.
|
||||
If Guid is NULL, then the default token space is used. If TokenNumber is 0,
|
||||
then the first token number is returned. Otherwise, the token number that
|
||||
follows TokenNumber in the token space is returned. If TokenNumber is the last
|
||||
token number in the token space, then 0 is returned. If TokenNumber is not 0 and
|
||||
is not in the token space specified by Guid, then ASSERT().
|
||||
|
||||
@param[in] Pointer to a 128-bit unique value that designates which namespace
|
||||
to set a value from. If NULL, then the default token space is used.
|
||||
@param[in] The previous PCD token number. If 0, then retrieves the first PCD
|
||||
token number.
|
||||
|
||||
@retval UINTN The next valid token number.
|
||||
|
||||
**/
|
||||
UINTN
|
||||
EFIAPI
|
||||
LibPcdGetNextToken (
|
||||
IN CONST GUID *Guid, OPTIONAL
|
||||
IN UINTN TokenNumber
|
||||
)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Retrieves the next PCD token space from a token space specified by Guid.
|
||||
Guid of NULL is reserved to mark the default local token namespace on the current
|
||||
platform. If Guid is NULL, then the GUID of the first non-local token space of the
|
||||
current platform is returned. If Guid is the last non-local token space,
|
||||
then NULL is returned.
|
||||
|
||||
If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().
|
||||
|
||||
|
||||
|
||||
@param[in] Pointer to a 128-bit unique value that designates from which namespace
|
||||
to start the search.
|
||||
|
||||
@retval CONST GUID * The next valid token namespace.
|
||||
|
||||
**/
|
||||
GUID *
|
||||
EFIAPI
|
||||
LibPcdGetNextTokenSpace (
|
||||
IN CONST GUID *Guid
|
||||
)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the PCD entry specified by PatchVariable to the value specified by Buffer
|
||||
and SizeOfValue. Buffer is returned. If SizeOfValue is greater than
|
||||
MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return
|
||||
NULL to indicate that the set operation was not actually performed.
|
||||
If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to
|
||||
MaximumDatumSize and NULL must be returned.
|
||||
|
||||
If PatchVariable is NULL, then ASSERT().
|
||||
If SizeOfValue is NULL, then ASSERT().
|
||||
If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
|
||||
|
||||
@param[in] PatchVariable A pointer to the global variable in a module that is
|
||||
the target of the set operation.
|
||||
@param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.
|
||||
@param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.
|
||||
@param[in] Buffer A pointer to the buffer to used to set the target variable.
|
||||
|
||||
**/
|
||||
VOID *
|
||||
EFIAPI
|
||||
LibPatchPcdSetPtr (
|
||||
IN VOID *PatchVariable,
|
||||
IN UINTN MaximumDatumSize,
|
||||
IN OUT UINTN *SizeOfBuffer,
|
||||
IN CONST VOID *Buffer
|
||||
)
|
||||
{
|
||||
ASSERT (PatchVariable != NULL);
|
||||
ASSERT (SizeOfBuffer != NULL);
|
||||
|
||||
if (*SizeOfBuffer > 0) {
|
||||
ASSERT (Buffer != NULL);
|
||||
}
|
||||
|
||||
if ((*SizeOfBuffer > MaximumDatumSize) ||
|
||||
(*SizeOfBuffer == MAX_ADDRESS)) {
|
||||
*SizeOfBuffer = MaximumDatumSize;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
|
||||
|
||||
return (VOID *) Buffer;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue