audk/EdkNt32Pkg/Library/EdkNt32PeiPeCoffGetEntryPoi.../PeCoffGetEntryPoint.c

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/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
PeCoffGetEntryPoint.c
Abstract:
Tiano PE/COFF loader
Revision History
--*/
RETURN_STATUS
EFIAPI
PeCoffLoaderGetEntryPoint (
IN VOID *Pe32Data,
IN OUT VOID **EntryPoint
)
/*++
Routine Description:
Loads a PE/COFF image into memory
Arguments:
Pe32Data - Pointer to a PE/COFF Image
EntryPoint - Pointer to the entry point of the PE/COFF image
Returns:
EFI_SUCCESS if the EntryPoint was returned
EFI_INVALID_PARAMETER if the EntryPoint could not be found from Pe32Data
--*/
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
NT_PEI_LOAD_FILE_PPI *PeiNtService;
EFI_PHYSICAL_ADDRESS ImageAddress;
UINT64 ImageSize;
EFI_PHYSICAL_ADDRESS ImageEntryPoint;
Status = PeiServicesLocatePpi (
&gNtPeiLoadFilePpiGuid,
0,
&PpiDescriptor,
&PeiNtService
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = PeiNtService->PeiLoadFileService (
Pe32Data,
&ImageAddress,
&ImageSize,
&ImageEntryPoint
);
*EntryPoint = (VOID*)(UINTN)ImageEntryPoint;
return Status;
}