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MdePkg: Add StandaloneMmCoreEntryPoint for X64
Moves StandaloneMmCoreEntryPoint for X64 to MdePkg to live with the other entry point libs. It does not move the ARM64 version, as this was just moved to ArmPkg due to its heavy coupling with ArmPkg code. This will need to be revisited when dynamic stack cookie support is added to ARM64 StMM. This commit just adds the library in MdePkg, a separate commit will remove it from StandaloneMmPkg to make it easier to consume. Signed-off-by: Oliver Smith-Denny <osde@microsoft.com>
This commit is contained in:
Oliver Smith-Denny
mergify[bot]
parent
e63cdeebb8
commit
885bcca649
91
MdePkg/Include/Library/StandaloneMmCoreEntryPoint.h
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91
MdePkg/Include/Library/StandaloneMmCoreEntryPoint.h
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@ -0,0 +1,91 @@
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/** @file
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Module entry point library for STANDALONE MM core.
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __MODULE_ENTRY_POINT_H__
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#define __MODULE_ENTRY_POINT_H__
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///
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/// Global variable that contains a pointer to the Hob List passed into the STANDALONE MM Core entry point.
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///
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extern VOID *gHobList;
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/**
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The entry point of PE/COFF Image for the STANDALONE MM Core.
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This function is the entry point for the STANDALONE MM Core. This function is required to call
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ProcessModuleEntryPointList() and ProcessModuleEntryPointList() is never expected to return.
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The STANDALONE MM Core is responsible for calling ProcessLibraryConstructorList() as soon as the EFI
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System Table and the image handle for the STANDALONE MM Core itself have been established.
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If ProcessModuleEntryPointList() returns, then ASSERT() and halt the system.
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@param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
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**/
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VOID
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EFIAPI
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_ModuleEntryPoint (
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IN VOID *HobStart
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);
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/**
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Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().
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This function is required to call _ModuleEntryPoint() passing in HobStart.
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@param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
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**/
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VOID
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EFIAPI
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EfiMain (
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IN VOID *HobStart
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);
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/**
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Auto generated function that calls the library constructors for all of the module's dependent libraries.
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This function must be called by _ModuleEntryPoint().
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This function calls the set of library constructors for the set of library instances
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that a module depends on. This includes library instances that a module depends on
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directly and library instances that a module depends on indirectly through other
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libraries. This function is auto generated by build tools and those build tools are
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responsible for collecting the set of library instances, determine which ones have
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constructors, and calling the library constructors in the proper order based upon
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each of the library instances own dependencies.
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@param ImageHandle The image handle of the STANDALONE MM Core.
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@param SystemTable A pointer to the EFI System Table.
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**/
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VOID
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EFIAPI
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ProcessLibraryConstructorList (
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IN EFI_HANDLE ImageHandle,
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IN EFI_MM_SYSTEM_TABLE *MmSystemTable
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);
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/**
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Autogenerated function that calls a set of module entry points.
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This function must be called by _ModuleEntryPoint().
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This function calls the set of module entry points.
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This function is auto generated by build tools and those build tools are responsible
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for collecting the module entry points and calling them in a specified order.
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@param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
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**/
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VOID
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EFIAPI
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ProcessModuleEntryPointList (
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IN VOID *HobStart
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);
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#endif
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@ -0,0 +1,32 @@
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## @file
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# Module entry point library for Standalone MM core.
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#
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# Copyright (c) 2017 - 2021, Arm Ltd. All rights reserved.<BR>
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#
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##
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[Defines]
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INF_VERSION = 0x0001001A
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BASE_NAME = StandaloneMmCoreEntryPoint
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FILE_GUID = 6D1B60B2-5DD1-4523-8F0A-607DB4D6B0CE
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MODULE_TYPE = MM_CORE_STANDALONE
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VERSION_STRING = 1.0
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PI_SPECIFICATION_VERSION = 0x00010032
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LIBRARY_CLASS = StandaloneMmCoreEntryPoint|MM_CORE_STANDALONE
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#
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# VALID_ARCHITECTURES = X64
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#
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[Sources.X64]
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X64/StandaloneMmCoreEntryPoint.c
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[Packages]
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MdePkg/MdePkg.dec
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[LibraryClasses]
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BaseLib
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DebugLib
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@ -0,0 +1,69 @@
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/** @file
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Entry point to the Standalone Mm Core.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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Copyright (c) Microsoft Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiMm.h>
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#include <Library/StandaloneMmCoreEntryPoint.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseLib.h>
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//
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// Cache copy of HobList pointer.
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//
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VOID *gHobList = NULL;
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/**
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The entry point of PE/COFF Image for the STANDALONE MM Core.
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This function is the entry point for the STANDALONE MM Core. This function is required to call
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ProcessModuleEntryPointList() and ProcessModuleEntryPointList() is never expected to return.
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The STANDALONE MM Core is responsible for calling ProcessLibraryConstructorList() as soon as the EFI
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System Table and the image handle for the STANDALONE MM Core itself have been established.
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If ProcessModuleEntryPointList() returns, then ASSERT() and halt the system.
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@param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
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**/
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VOID
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EFIAPI
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_ModuleEntryPoint (
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IN VOID *HobStart
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)
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{
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//
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// Cache a pointer to the HobList
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//
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gHobList = HobStart;
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//
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// Call the Standalone MM Core entry point
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//
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ProcessModuleEntryPointList (HobStart);
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//
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// TODO: Set page table here?? AARCH64 has this step for some reason
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//
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}
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/**
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Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().
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This function is required to call _ModuleEntryPoint() passing in HobStart.
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@param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase.
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**/
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VOID
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EFIAPI
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EfiMain (
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IN VOID *HobStart
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)
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{
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_ModuleEntryPoint (HobStart);
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}
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@ -344,6 +344,11 @@
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## @libraryclass Provides function to support TDX processing.
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TdxLib|Include/Library/TdxLib.h
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[LibraryClasses.X64]
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## @libraryclass Defines a set of interfaces for the MM core entrypoint. The ARM/AARCH64 version lives in ArmPkg
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#
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StandaloneMmCoreEntryPoint|Include/Library/StandaloneMmCoreEntryPoint.h
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[LibraryClasses.RISCV64]
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## @libraryclass Provides function to make ecalls to SBI
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BaseRiscVSbiLib|Include/Library/BaseRiscVSbiLib.h
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@ -192,6 +192,9 @@
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MdePkg/Library/MipiSysTLib/MipiSysTLib.inf
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MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.inf
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[Components.X64]
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MdePkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
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[Components.EBC]
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MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
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MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
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