mirror of https://github.com/acidanthera/audk.git
UefiCpuPkg: Add PlatformSecLib
Add PlatformSecLib class and PlatformSecLibNull instance that is used by the SecCore. PlatformSecLibNull should not be used in a platform build. Instead, it should be used as a template for implementing a platform specific instance of the PlatformSecLib library class. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Michael Kinney <michael.d.kinney@intel.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18635 6f19259b-4bc3-4df7-8a09-765794883524
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Michael Kinney
mdkinney
parent
b3dc26ed7e
commit
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/** @file
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This library class defines interface for platform to perform platform
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specific initialization in SEC phase.
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Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
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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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#ifndef __PLATFORM_SEC_LIB_H__
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#define __PLATFORM_SEC_LIB_H__
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/**
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A developer supplied function to perform platform specific operations.
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It's a developer supplied function to perform any operations appropriate to a
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given platform. It's invoked just before passing control to PEI core by SEC
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core. Platform developer may modify the SecCoreData passed to PEI Core.
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It returns a platform specific PPI list that platform wishes to pass to PEI core.
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The Generic SEC core module will merge this list to join the final list passed to
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PEI core.
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@param SecCoreData The same parameter as passing to PEI core. It
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could be overridden by this function.
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@return The platform specific PPI list to be passed to PEI core or
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NULL if there is no need of such platform specific PPI list.
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**/
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EFI_PEI_PPI_DESCRIPTOR *
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EFIAPI
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SecPlatformMain (
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IN OUT EFI_SEC_PEI_HAND_OFF *SecCoreData
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);
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/**
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This interface conveys state information out of the Security (SEC) phase into PEI.
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@param PeiServices Pointer to the PEI Services Table.
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@param StructureSize Pointer to the variable describing size of the input buffer.
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@param PlatformInformationRecord Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD.
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@retval EFI_SUCCESS The data was successfully returned.
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@retval EFI_BUFFER_TOO_SMALL The buffer was too small.
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**/
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EFI_STATUS
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EFIAPI
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SecPlatformInformation (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN OUT UINT64 *StructureSize,
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OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *PlatformInformationRecord
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);
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/**
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This interface disables temporary memory in SEC Phase.
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**/
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VOID
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EFIAPI
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SecPlatformDisableTemporaryMemory (
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VOID
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);
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#endif
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/** @file
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Null instance of Platform Sec Lib.
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Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
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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 <Ppi/SecPlatformInformation.h>
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/**
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A developer supplied function to perform platform specific operations.
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It's a developer supplied function to perform any operations appropriate to a
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given platform. It's invoked just before passing control to PEI core by SEC
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core. Platform developer may modify the SecCoreData passed to PEI Core.
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It returns a platform specific PPI list that platform wishes to pass to PEI core.
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The Generic SEC core module will merge this list to join the final list passed to
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PEI core.
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@param SecCoreData The same parameter as passing to PEI core. It
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could be overridden by this function.
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@return The platform specific PPI list to be passed to PEI core or
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NULL if there is no need of such platform specific PPI list.
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**/
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EFI_PEI_PPI_DESCRIPTOR *
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EFIAPI
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SecPlatformMain (
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IN OUT EFI_SEC_PEI_HAND_OFF *SecCoreData
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)
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{
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return NULL;
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}
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/**
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This interface conveys state information out of the Security (SEC) phase into PEI.
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@param PeiServices Pointer to the PEI Services Table.
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@param StructureSize Pointer to the variable describing size of the input buffer.
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@param PlatformInformationRecord Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD.
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@retval EFI_SUCCESS The data was successfully returned.
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@retval EFI_BUFFER_TOO_SMALL The buffer was too small.
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**/
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EFI_STATUS
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EFIAPI
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SecPlatformInformation (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN OUT UINT64 *StructureSize,
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OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *PlatformInformationRecord
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)
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{
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return EFI_SUCCESS;
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}
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/**
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This interface disables temporary memory in SEC Phase.
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**/
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VOID
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EFIAPI
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SecPlatformDisableTemporaryMemory (
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VOID
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)
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{
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}
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/**
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This function provides dummy function so that SecCore can pass build
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validation. All real platform library instances need to implement the real
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entry point in assembly.
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**/
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VOID
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EFIAPI
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_ModuleEntryPoint (
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VOID
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)
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{
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return;
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}
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## @file
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# Library functions for PlatformSecLib.
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#
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# Null instance of Platform Sec Lib.
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#
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# Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
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# 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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#
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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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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = PlatformSecLibNull
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MODULE_UNI_FILE = PlatformSecLibNull.uni
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FILE_GUID = 6695974D-968C-420b-80B9-7870CD20118F
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MODULE_TYPE = SEC
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VERSION_STRING = 1.0
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LIBRARY_CLASS = PlatformSecLib
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64
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#
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[Sources]
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PlatformSecLibNull.c
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[Packages]
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MdePkg/MdePkg.dec
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UefiCpuPkg/UefiCpuPkg.dec
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