audk/MdePkg/Library/PeimEntryPoint/PeimEntryPoint.c

76 lines
2.0 KiB
C

/** @file
Entry point to a PEIM.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiPei.h>
#include <Library/PeimEntryPoint.h>
#include <Library/DebugLib.h>
/**
The entry point of PE/COFF Image for a PEIM.
This function is the entry point for a PEIM. This function must call ProcessLibraryConstructorList()
and ProcessModuleEntryPointList(). The return value from ProcessModuleEntryPointList() is returned.
If _gPeimRevision is not zero and PeiServices->Hdr.Revision is less than _gPeimRevison, then ASSERT().
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS The PEIM executed normally.
@retval !EFI_SUCCESS The PEIM failed to execute normally.
**/
EFI_STATUS
EFIAPI
_ModuleEntryPoint (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
if (_gPeimRevision != 0) {
//
// Make sure that the PEI spec revision of the platform is >= PEI spec revision of the driver
//
ASSERT ((*PeiServices)->Hdr.Revision >= _gPeimRevision);
}
//
// Call constructor for all libraries
//
ProcessLibraryConstructorList (FileHandle, PeiServices);
//
// Call the driver entry point
//
return ProcessModuleEntryPointList (FileHandle, PeiServices);
}
/**
Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().
This function is required to call _ModuleEntryPoint() passing in FileHandle and PeiServices.
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS The PEIM executed normally.
@retval !EFI_SUCCESS The PEIM failed to execute normally.
**/
EFI_STATUS
EFIAPI
EfiMain (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
return _ModuleEntryPoint (FileHandle, PeiServices);
}