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audk/MdeModulePkg/Core/Pei/Image/Image.c

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/*++
Copyright (c) 2006 - 2007, 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:
Image.c
Abstract:
Pei Core Load Image Support
--*/
#include <PeiMain.h>
/*++
Routine Description:
Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file
Arguments:
FileHandle - The handle to the PE/COFF file
FileOffset - The offset, in bytes, into the file to read
ReadSize - The number of bytes to read from the file starting at FileOffset
Buffer - A pointer to the buffer to read the data into.
Returns:
EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset
--*/
EFI_STATUS
PeiLoadImageLoadImage (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL
OUT UINT64 *ImageSizeArg, OPTIONAL
OUT EFI_PHYSICAL_ADDRESS *EntryPoint,
OUT UINT32 *AuthenticationState
)
/*++
Routine Description:
Routine for loading file image.
Arguments:
PeiServices - The PEI core services table.
FileHandle - Pointer to the FFS file header of the image.
ImageAddressArg - Pointer to PE/TE image.
ImageSizeArg - Size of PE/TE image.
EntryPoint - Pointer to entry point of specified image file for output.
AuthenticationState - Pointer to attestation authentication state of image.
Returns:
Status - EFI_SUCCESS - Image is successfully loaded.
EFI_NOT_FOUND - Fail to locate necessary PPI
Others - Fail to load file.
--*/
;
EFI_STATUS
EFIAPI
PeiLoadImageLoadImageWrapper (
IN CONST EFI_PEI_LOAD_FILE_PPI *This,
IN EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL
OUT UINT64 *ImageSizeArg, OPTIONAL
OUT EFI_PHYSICAL_ADDRESS *EntryPoint,
OUT UINT32 *AuthenticationState
)
/*++
Routine Description:
The wrapper function of PeiLoadImageLoadImage().
Arguments:
This - Pointer to EFI_PEI_LOAD_FILE_PPI.
PeiServices - The PEI core services table.
FileHandle - Pointer to the FFS file header of the image.
ImageAddressArg - Pointer to PE/TE image.
ImageSizeArg - Size of PE/TE image.
EntryPoint - Pointer to entry point of specified image file for output.
AuthenticationState - Pointer to attestation authentication state of image.
Returns:
EFI_STATUS.
--*/
;
STATIC EFI_PEI_LOAD_FILE_PPI mPeiLoadImagePpi = {
PeiLoadImageLoadImageWrapper
};
STATIC EFI_PEI_PPI_DESCRIPTOR gPpiLoadFilePpiList = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiLoadFilePpiGuid,
&mPeiLoadImagePpi
};
EFI_STATUS
EFIAPI
PeiImageRead (
IN VOID *FileHandle,
IN UINTN FileOffset,
IN OUT UINTN *ReadSize,
OUT VOID *Buffer
)
/*++
Routine Description:
Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file
Arguments:
FileHandle - The handle to the PE/COFF file
FileOffset - The offset, in bytes, into the file to read
ReadSize - The number of bytes to read from the file starting at FileOffset
Buffer - A pointer to the buffer to read the data into.
Returns:
EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset
--*/
{
CHAR8 *Destination8;
CHAR8 *Source8;
UINTN Length;
Destination8 = Buffer;
Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset);
Length = *ReadSize;
while (Length--) {
*(Destination8++) = *(Source8++);
}
return EFI_SUCCESS;
}
EFI_STATUS
GetImageReadFunction (
IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
)
/*++
Routine Description:
Support routine to return the Image Read
Arguments:
PeiServices - PEI Services Table
ImageContext - The context of the image being loaded
Returns:
EFI_SUCCESS - If Image function location is found
--*/
{
VOID* MemoryBuffer;
MemoryBuffer = AllocatePages (0x400 / EFI_PAGE_SIZE + 1);
ASSERT (MemoryBuffer != NULL);
CopyMem (MemoryBuffer, (CONST VOID *) (UINTN) PeiImageRead, 0x400);
ImageContext->ImageRead = (PE_COFF_LOADER_READ_FILE) (UINTN) MemoryBuffer;
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
LoadAndRelocatePeCoffImage (
IN VOID *Pe32Data,
OUT EFI_PHYSICAL_ADDRESS *ImageAddress,
OUT UINT64 *ImageSize,
OUT EFI_PHYSICAL_ADDRESS *EntryPoint
)
/*++
Routine Description:
Loads and relocates a PE/COFF image into memory.
Arguments:
Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated
ImageAddress - The base address of the relocated PE/COFF image
ImageSize - The size of the relocated PE/COFF image
EntryPoint - The entry point of the relocated PE/COFF image
Returns:
EFI_SUCCESS - The file was loaded and relocated
EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file
--*/
{
EFI_STATUS Status;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
ZeroMem (&ImageContext, sizeof (ImageContext));
ImageContext.Handle = Pe32Data;
Status = GetImageReadFunction (&ImageContext);
ASSERT_EFI_ERROR (Status);
Status = PeCoffLoaderGetImageInfo (&ImageContext);
if (EFI_ERROR (Status)) {
return Status;
}
//
// When Image has no reloc section, it can't be relocated into memory.
//
if (ImageContext.RelocationsStripped) {
DEBUG ((EFI_D_ERROR, "The image at 0x%08x without reloc section can't be loaded into memory\n", (UINTN) Pe32Data));
return EFI_INVALID_PARAMETER;
}
//
// Allocate Memory for the image
//
ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) AllocatePages (EFI_SIZE_TO_PAGES ((UINT32) ImageContext.ImageSize));
ASSERT (ImageContext.ImageAddress != 0);
//
// Skip the reserved space for the stripped PeHeader when load TeImage into memory.
//
if (ImageContext.IsTeImage) {
ImageContext.ImageAddress = ImageContext.ImageAddress +
((EFI_TE_IMAGE_HEADER *) Pe32Data)->StrippedSize -
sizeof (EFI_TE_IMAGE_HEADER);
}
//
// Load the image to our new buffer
//
Status = PeCoffLoaderLoadImage (&ImageContext);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Relocate the image in our new buffer
//
Status = PeCoffLoaderRelocateImage (&ImageContext);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Flush the instruction cache so the image data is written before we execute it
//
InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);
*ImageAddress = ImageContext.ImageAddress;
*ImageSize = ImageContext.ImageSize;
*EntryPoint = ImageContext.EntryPoint;
return EFI_SUCCESS;
}
EFI_STATUS
PeiLoadImageLoadImage (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL
OUT UINT64 *ImageSizeArg, OPTIONAL
OUT EFI_PHYSICAL_ADDRESS *EntryPoint,
OUT UINT32 *AuthenticationState
)
/*++
Routine Description:
Routine for loading file image.
Arguments:
PeiServices - The PEI core services table.
FileHandle - Pointer to the FFS file header of the image.
ImageAddressArg - Pointer to PE/TE image.
ImageSizeArg - Size of PE/TE image.
EntryPoint - Pointer to entry point of specified image file for output.
AuthenticationState - Pointer to attestation authentication state of image.
Returns:
Status - EFI_SUCCESS - Image is successfully loaded.
EFI_NOT_FOUND - Fail to locate necessary PPI
Others - Fail to load file.
--*/
{
EFI_STATUS Status;
VOID *Pe32Data;
EFI_PHYSICAL_ADDRESS ImageAddress;
UINT64 ImageSize;
EFI_PHYSICAL_ADDRESS ImageEntryPoint;
UINT16 Machine;
PEI_CORE_INSTANCE *Private;
VOID *EntryPointArg;
EFI_SECTION_TYPE SearchType1;
EFI_SECTION_TYPE SearchType2;
*EntryPoint = 0;
ImageSize = 0;
*AuthenticationState = 0;
if (FeaturePcdGet (PcdPeiCoreImageLoaderSearchTeSectionFirst)) {
SearchType1 = EFI_SECTION_TE;
SearchType2 = EFI_SECTION_PE32;
} else {
SearchType1 = EFI_SECTION_PE32;
SearchType2 = EFI_SECTION_TE;
}
//
// Try to find a first exe section (if PcdPeiCoreImageLoaderSearchTeSectionFirst
// is true, TE will be searched first).
//
Status = PeiServicesFfsFindSectionData (
SearchType1,
FileHandle,
&Pe32Data
);
//
// If we didn't find a first exe section, try to find the second exe section.
//
if (EFI_ERROR (Status)) {
Status = PeiServicesFfsFindSectionData (
SearchType2,
FileHandle,
&Pe32Data
);
if (EFI_ERROR (Status)) {
//
// PEI core only carry the loader function fro TE and PE32 executables
// If this two section does not exist, just return.
//
return Status;
}
}
Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
if (Private->PeiMemoryInstalled &&
(Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {
//
// If memory is installed, perform the shadow operations
//
Status = LoadAndRelocatePeCoffImage (
Pe32Data,
&ImageAddress,
&ImageSize,
&ImageEntryPoint
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Got the entry point from the loaded Pe32Data
//
Pe32Data = (VOID *) ((UINTN) ImageAddress);
*EntryPoint = ImageEntryPoint;
} else {
//
// Retrieve the entry point from the PE/COFF or TE image header
//
ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Pe32Data;
Status = PeCoffLoaderGetEntryPoint (Pe32Data, &EntryPointArg);
if (EFI_ERROR (Status)) {
return Status;
}
*EntryPoint = (EFI_PHYSICAL_ADDRESS) (UINTN) EntryPointArg;
}
Machine = PeCoffLoaderGetMachineType (Pe32Data);
if (!EFI_IMAGE_MACHINE_TYPE_SUPPORTED (Machine)) {
return EFI_UNSUPPORTED;
}
if (ImageAddressArg != NULL) {
*ImageAddressArg = ImageAddress;
}
if (ImageSizeArg != NULL) {
*ImageSizeArg = ImageSize;
}
DEBUG_CODE_BEGIN ();
CHAR8 *AsciiString;
CHAR8 AsciiBuffer[512];
INT32 Index;
INT32 Index1;
//
// Print debug message: Loading PEIM at 0x12345678 EntryPoint=0x12345688 Driver.efi
//
if (Machine != IMAGE_FILE_MACHINE_IA64) {
DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%10p EntryPoint=0x%10p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)*EntryPoint));
} else {
//
// For IPF Image, the real entry point should be print.
//
DEBUG ((EFI_D_INFO | EFI_D_LOAD, "Loading PEIM at 0x%10p EntryPoint=0x%10p ", (VOID *)(UINTN)ImageAddress, (VOID *)(UINTN)(*(UINT64 *)(UINTN)*EntryPoint)));
}
//
// Print Module Name by PeImage PDB file name.
//
AsciiString = PeCoffLoaderGetPdbPointer (Pe32Data);
if (AsciiString != NULL) {
for (Index = (INT32) AsciiStrLen (AsciiString) - 1; Index >= 0; Index --) {
if (AsciiString[Index] == '\\') {
break;
}
}
if (Index != 0) {
for (Index1 = 0; AsciiString[Index + 1 + Index1] != '.'; Index1 ++) {
AsciiBuffer [Index1] = AsciiString[Index + 1 + Index1];
}
AsciiBuffer [Index1] = '\0';
DEBUG ((EFI_D_INFO | EFI_D_LOAD, "%a.efi", AsciiBuffer));
}
}
DEBUG_CODE_END ();
DEBUG ((EFI_D_INFO | EFI_D_LOAD, "\n"));
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
PeiLoadImageLoadImageWrapper (
IN CONST EFI_PEI_LOAD_FILE_PPI *This,
IN EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_PHYSICAL_ADDRESS *ImageAddressArg, OPTIONAL
OUT UINT64 *ImageSizeArg, OPTIONAL
OUT EFI_PHYSICAL_ADDRESS *EntryPoint,
OUT UINT32 *AuthenticationState
)
/*++
Routine Description:
The wrapper function of PeiLoadImageLoadImage().
Arguments:
This - Pointer to EFI_PEI_LOAD_FILE_PPI.
PeiServices - The PEI core services table.
FileHandle - Pointer to the FFS file header of the image.
ImageAddressArg - Pointer to PE/TE image.
ImageSizeArg - Size of PE/TE image.
EntryPoint - Pointer to entry point of specified image file for output.
AuthenticationState - Pointer to attestation authentication state of image.
Returns:
EFI_STATUS.
--*/
{
return PeiLoadImageLoadImage (
GetPeiServicesTablePointer (),
FileHandle,
ImageAddressArg,
ImageSizeArg,
EntryPoint,
AuthenticationState
);
}
EFI_STATUS
PeiLoadImage (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_PHYSICAL_ADDRESS *EntryPoint,
OUT UINT32 *AuthenticationState
)
/*++
Routine Description:
Routine for load image file.
Arguments:
PeiServices - The PEI core services table.
FileHandle - Pointer to the FFS file header of the image.
EntryPoint - Pointer to entry point of specified image file for output.
AuthenticationState - Pointer to attestation authentication state of image.
Returns:
Status - EFI_SUCCESS - Image is successfully loaded.
EFI_NOT_FOUND - Fail to locate necessary PPI
Others - Fail to load file.
--*/
{
EFI_STATUS PpiStatus;
EFI_STATUS Status;
UINTN Index;
EFI_PEI_LOAD_FILE_PPI *LoadFile;
EFI_PHYSICAL_ADDRESS ImageAddress;
UINT64 ImageSize;
//
// If any instances of PEI_LOAD_FILE_PPI are installed, they are called.
// one at a time, until one reports EFI_SUCCESS.
//
Index = 0;
do {
PpiStatus = PeiServicesLocatePpi (
&gEfiPeiLoadFilePpiGuid,
Index,
NULL,
(VOID **)&LoadFile
);
if (!EFI_ERROR (PpiStatus)) {
Status = LoadFile->LoadFile (
LoadFile,
FileHandle,
&ImageAddress,
&ImageSize,
EntryPoint,
AuthenticationState
);
if (!EFI_ERROR (Status)) {
return Status;
}
}
Index++;
} while (!EFI_ERROR (PpiStatus));
//
// If no instances reports EFI_SUCCESS, then build-in support for
// the PE32+/TE XIP image format is used.
//
Status = PeiLoadImageLoadImage (
PeiServices,
FileHandle,
NULL,
NULL,
EntryPoint,
AuthenticationState
);
return Status;
}
VOID
InitializeImageServices (
IN PEI_CORE_INSTANCE *PrivateData,
IN PEI_CORE_INSTANCE *OldCoreData
)
/*++
Routine Description:
Install Pei Load File PPI.
Arguments:
PrivateData - Pointer to PEI_CORE_INSTANCE.
OldCoreData - Pointer to PEI_CORE_INSTANCE.
Returns:
NONE.
--*/
{
if (OldCoreData == NULL) {
//
// The first time we are XIP (running from FLASH). We need to remember the
// FLASH address so we can reinstall the memory version that runs faster
//
PrivateData->XipLoadFile = &gPpiLoadFilePpiList;
PeiServicesInstallPpi (PrivateData->XipLoadFile);
} else {
//
// 2nd time we are running from memory so replace the XIP version with the
// new memory version.
//
PeiServicesReInstallPpi (PrivateData->XipLoadFile, &gPpiLoadFilePpiList);
}
}
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