Initial import.

[mirror_edk2.git] / EdkNt32Pkg / Library / EdkNt32PeiPeCoffGetEntryPointLib / PeCoffGetEntryPoint.c

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