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133 lines
6.3 KiB
C
133 lines
6.3 KiB
C
/** @file
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Module entry point library for PEI core.
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Copyright (c) 2006 - 2018, Intel Corporation. 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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The entry point of PE/COFF Image for the PEI Core.
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This function is the entry point for the PEI Foundation, which allows the SEC phase
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to pass information about the stack, temporary RAM and the Boot Firmware Volume.
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In addition, it also allows the SEC phase to pass services and data forward for use
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during the PEI phase in the form of one or more PPIs.
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There is no limit to the number of additional PPIs that can be passed from SEC into
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the PEI Foundation. As part of its initialization phase, the PEI Foundation will add
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these SEC-hosted PPIs to its PPI database such that both the PEI Foundation and any
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modules can leverage the associated service calls and/or code in these early PPIs.
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This function is required to call ProcessModuleEntryPointList() with the Context
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parameter set to NULL. ProcessModuleEntryPoint() is never expected to return.
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The PEI Core is responsible for calling ProcessLibraryConstructorList() as soon as
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the PEI Services Table and the file handle for the PEI Core itself have been established.
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If ProcessModuleEntryPointList() returns, then ASSERT() and halt the system.
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@param SecCoreData Points to a data structure containing information about the PEI
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core's operating environment, such as the size and location of
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temporary RAM, the stack location and the BFV location.
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@param PpiList Points to a list of one or more PPI descriptors to be installed
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initially by the PEI core. An empty PPI list consists of a single
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descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
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As part of its initialization phase, the PEI Foundation will add
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these SEC-hosted PPIs to its PPI database such that both the PEI
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Foundation and any modules can leverage the associated service calls
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and/or code in these early PPIs.
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**/
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VOID
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EFIAPI
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_ModuleEntryPoint(
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IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
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IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList
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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 SecCoreData and PpiList.
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@param SecCoreData Points to a data structure containing information about the PEI core's
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operating environment, such as the size and location of temporary RAM,
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the stack location and the BFV location.
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@param PpiList Points to a list of one or more PPI descriptors to be installed
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initially by the PEI core. An empty PPI list consists of a single
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descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
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As part of its initialization phase, the PEI Foundation will add these
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SEC-hosted PPIs to its PPI database such that both the PEI Foundation
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and any modules can leverage the associated service calls and/or code
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in these early PPIs.
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**/
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VOID
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EFIAPI
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EfiMain (
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IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
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IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList
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);
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/**
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Autogenerated function that calls the library constructors for all of the module's
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dependent libraries.
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This function must be called by the PEI Core once an initial PEI Services Table has been established.
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This function calls the set of library constructors for the set of library instances that a
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module depends on. This include library instances that a module depends on directly and library
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instances that a module depends on indirectly through other libraries.
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This function is autogenerated by build tools and those build tools are responsible for collecting
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the set of library instances, determining which ones have constructors, and calling the library
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constructors in the proper order based upon the dependencies of each of the library instances.
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The PEI Core must call this function with a NULL FileHandle value as soon as the initial PEI
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Services Table has been established.
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@param FileHandle Handle of the file being invoked.
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@param PeiServices Describes the list of possible PEI Services.
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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_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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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 autogenerated 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 SecCoreData Points to a data structure containing information about the PEI
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core's operating environment, such as the size and location of
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temporary RAM, the stack location and the BFV location.
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@param PpiList Points to a list of one or more PPI descriptors to be installed
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initially by the PEI core. An empty PPI list consists of a single
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descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
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As part of its initialization phase, the PEI Foundation will add
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these SEC-hosted PPIs to its PPI database such that both the PEI
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Foundation and any modules can leverage the associated service calls
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and/or code in these early PPIs.
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@param Context A pointer to a private context structure defined by the PEI Core
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implementation. The implementation of _ModuleEntryPoint() must set
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this parameter is NULL to indicate that this is the first 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 CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
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IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,
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IN VOID *Context
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);
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#endif
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