/**@file | |
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> | |
Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR> | |
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. | |
**/ | |
#include "StandaloneMmCore.h" | |
#include <Library/FvLib.h> | |
// | |
// List of file types supported by dispatcher | |
// | |
EFI_FV_FILETYPE mMmFileTypes[] = { | |
EFI_FV_FILETYPE_MM, | |
0xE, //EFI_FV_FILETYPE_MM_STANDALONE, | |
// | |
// Note: DXE core will process the FV image file, so skip it in MM core | |
// EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE | |
// | |
}; | |
EFI_STATUS | |
MmAddToDriverList ( | |
IN EFI_HANDLE FvHandle, | |
IN VOID *Pe32Data, | |
IN UINTN Pe32DataSize, | |
IN VOID *Depex, | |
IN UINTN DepexSize, | |
IN EFI_GUID *DriverName | |
); | |
BOOLEAN | |
FvHasBeenProcessed ( | |
IN EFI_HANDLE FvHandle | |
); | |
VOID | |
FvIsBeingProcesssed ( | |
IN EFI_HANDLE FvHandle | |
); | |
EFI_STATUS | |
MmCoreFfsFindMmDriver ( | |
IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader | |
) | |
/*++ | |
Routine Description: | |
Given the pointer to the Firmware Volume Header find the | |
MM driver and return it's PE32 image. | |
Arguments: | |
FwVolHeader - Pointer to memory mapped FV | |
Returns: | |
other - Failure | |
--*/ | |
{ | |
EFI_STATUS Status; | |
EFI_STATUS DepexStatus; | |
EFI_FFS_FILE_HEADER *FileHeader; | |
EFI_FV_FILETYPE FileType; | |
VOID *Pe32Data; | |
UINTN Pe32DataSize; | |
VOID *Depex; | |
UINTN DepexSize; | |
UINTN Index; | |
DEBUG ((DEBUG_INFO, "MmCoreFfsFindMmDriver - 0x%x\n", FwVolHeader)); | |
if (FvHasBeenProcessed (FwVolHeader)) { | |
return EFI_SUCCESS; | |
} | |
FvIsBeingProcesssed (FwVolHeader); | |
for (Index = 0; Index < sizeof (mMmFileTypes) / sizeof (mMmFileTypes[0]); Index++) { | |
DEBUG ((DEBUG_INFO, "Check MmFileTypes - 0x%x\n", mMmFileTypes[Index])); | |
FileType = mMmFileTypes[Index]; | |
FileHeader = NULL; | |
do { | |
Status = FfsFindNextFile (FileType, FwVolHeader, &FileHeader); | |
if (!EFI_ERROR (Status)) { | |
Status = FfsFindSectionData (EFI_SECTION_PE32, FileHeader, &Pe32Data, &Pe32DataSize); | |
DEBUG ((DEBUG_INFO, "Find PE data - 0x%x\n", Pe32Data)); | |
DepexStatus = FfsFindSectionData (EFI_SECTION_MM_DEPEX, FileHeader, &Depex, &DepexSize); | |
if (!EFI_ERROR (DepexStatus)) { | |
MmAddToDriverList (FwVolHeader, Pe32Data, Pe32DataSize, Depex, DepexSize, &FileHeader->Name); | |
} | |
} | |
} while (!EFI_ERROR (Status)); | |
} | |
return Status; | |
} |