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CloverBootloader/BaseTools/Source/Python/GenFds/Fv.py
Sergey Isakov b1264ef1e3 changes of BaseTools 
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
2019-09-04 23:02:41 +03:00

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Python
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## @file
# process FV generation
#
# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
# Import Modules
#
from __future__ import absolute_import
import Common.LongFilePathOs as os
import subprocess
from io import BytesIO
from struct import *
from . import FfsFileStatement
from .GenFdsGlobalVariable import GenFdsGlobalVariable
from Common.Misc import SaveFileOnChange, PackGUID
from Common.LongFilePathSupport import CopyLongFilePath
from Common.LongFilePathSupport import OpenLongFilePath as open
from Common.DataType import *
FV_UI_EXT_ENTY_GUID = 'A67DF1FA-8DE8-4E98-AF09-4BDF2EFFBC7C'
## generate FV
#
#
class FV (object):
## The constructor
#
# @param self The object pointer
#
def __init__(self, Name=None):
self.UiFvName = Name
self.CreateFileName = None
self.BlockSizeList = []
self.DefineVarDict = {}
self.SetVarDict = {}
self.FvAlignment = None
self.FvAttributeDict = {}
self.FvNameGuid = None
self.FvNameString = None
self.AprioriSectionList = []
self.FfsList = []
self.BsBaseAddress = None
self.RtBaseAddress = None
self.FvInfFile = None
self.FvAddressFile = None
self.BaseAddress = None
self.InfFileName = None
self.FvAddressFileName = None
self.CapsuleName = None
self.FvBaseAddress = None
self.FvForceRebase = None
self.FvRegionInFD = None
self.UsedSizeEnable = False
self.FvExtEntryTypeValue = []
self.FvExtEntryType = []
self.FvExtEntryData = []
## AddToBuffer()
#
# Generate Fv and add it to the Buffer
#
# @param self The object pointer
# @param Buffer The buffer generated FV data will be put
# @param BaseAddress base address of FV
# @param BlockSize block size of FV
# @param BlockNum How many blocks in FV
# @param ErasePolarity Flash erase polarity
# @param MacroDict macro value pair
# @retval string Generated FV file path
#
def AddToBuffer (self, Buffer, BaseAddress=None, BlockSize= None, BlockNum=None, ErasePloarity='1', MacroDict = {}, Flag=False):
if BaseAddress is None and self.UiFvName.upper() + 'fv' in GenFdsGlobalVariable.ImageBinDict:
return GenFdsGlobalVariable.ImageBinDict[self.UiFvName.upper() + 'fv']
#
# Check whether FV in Capsule is in FD flash region.
# If yes, return error. Doesn't support FV in Capsule image is also in FD flash region.
#
if self.CapsuleName is not None:
for FdObj in GenFdsGlobalVariable.FdfParser.Profile.FdDict.values():
for RegionObj in FdObj.RegionList:
if RegionObj.RegionType == BINARY_FILE_TYPE_FV:
for RegionData in RegionObj.RegionDataList:
if RegionData.endswith(".fv"):
continue
elif RegionData.upper() + 'fv' in GenFdsGlobalVariable.ImageBinDict:
continue
elif self.UiFvName.upper() == RegionData.upper():
GenFdsGlobalVariable.ErrorLogger("Capsule %s in FD region can't contain a FV %s in FD region." % (self.CapsuleName, self.UiFvName.upper()))
if not Flag:
GenFdsGlobalVariable.InfLogger( "\nGenerating %s FV" %self.UiFvName)
GenFdsGlobalVariable.LargeFileInFvFlags.append(False)
FFSGuid = None
if self.FvBaseAddress is not None:
BaseAddress = self.FvBaseAddress
if not Flag:
self._InitializeInf(BaseAddress, BlockSize, BlockNum, ErasePloarity)
#
# First Process the Apriori section
#
MacroDict.update(self.DefineVarDict)
GenFdsGlobalVariable.VerboseLogger('First generate Apriori file !')
FfsFileList = []
for AprSection in self.AprioriSectionList:
FileName = AprSection.GenFfs (self.UiFvName, MacroDict, IsMakefile=Flag)
FfsFileList.append(FileName)
# Add Apriori file name to Inf file
if not Flag:
self.FvInfFile.append("EFI_FILE_NAME = " + \
FileName + \
TAB_LINE_BREAK)
# Process Modules in FfsList
for FfsFile in self.FfsList:
if Flag:
if isinstance(FfsFile, FfsFileStatement.FileStatement):
continue
if GenFdsGlobalVariable.EnableGenfdsMultiThread and GenFdsGlobalVariable.ModuleFile and GenFdsGlobalVariable.ModuleFile.Path.find(os.path.normpath(FfsFile.InfFileName)) == -1:
continue
FileName = FfsFile.GenFfs(MacroDict, FvParentAddr=BaseAddress, IsMakefile=Flag, FvName=self.UiFvName)
FfsFileList.append(FileName)
if not Flag:
self.FvInfFile.append("EFI_FILE_NAME = " + \
FileName + \
TAB_LINE_BREAK)
if not Flag:
FvInfFile = ''.join(self.FvInfFile)
SaveFileOnChange(self.InfFileName, FvInfFile, False)
#
# Call GenFv tool
#
FvOutputFile = os.path.join(GenFdsGlobalVariable.FvDir, self.UiFvName)
FvOutputFile = FvOutputFile + '.Fv'
# BUGBUG: FvOutputFile could be specified from FDF file (FV section, CreateFile statement)
if self.CreateFileName is not None:
FvOutputFile = self.CreateFileName
if Flag:
GenFdsGlobalVariable.ImageBinDict[self.UiFvName.upper() + 'fv'] = FvOutputFile
return FvOutputFile
FvInfoFileName = os.path.join(GenFdsGlobalVariable.FfsDir, self.UiFvName + '.inf')
if not Flag:
CopyLongFilePath(GenFdsGlobalVariable.FvAddressFileName, FvInfoFileName)
OrigFvInfo = None
if os.path.exists (FvInfoFileName):
OrigFvInfo = open(FvInfoFileName, 'r').read()
if GenFdsGlobalVariable.LargeFileInFvFlags[-1]:
FFSGuid = GenFdsGlobalVariable.EFI_FIRMWARE_FILE_SYSTEM3_GUID
GenFdsGlobalVariable.GenerateFirmwareVolume(
FvOutputFile,
[self.InfFileName],
AddressFile=FvInfoFileName,
FfsList=FfsFileList,
ForceRebase=self.FvForceRebase,
FileSystemGuid=FFSGuid
)
NewFvInfo = None
if os.path.exists (FvInfoFileName):
NewFvInfo = open(FvInfoFileName, 'r').read()
if NewFvInfo is not None and NewFvInfo != OrigFvInfo:
FvChildAddr = []
AddFileObj = open(FvInfoFileName, 'r')
AddrStrings = AddFileObj.readlines()
AddrKeyFound = False
for AddrString in AddrStrings:
if AddrKeyFound:
#get base address for the inside FvImage
FvChildAddr.append (AddrString)
elif AddrString.find ("[FV_BASE_ADDRESS]") != -1:
AddrKeyFound = True
AddFileObj.close()
if FvChildAddr != []:
# Update Ffs again
for FfsFile in self.FfsList:
FileName = FfsFile.GenFfs(MacroDict, FvChildAddr, BaseAddress, IsMakefile=Flag, FvName=self.UiFvName)
if GenFdsGlobalVariable.LargeFileInFvFlags[-1]:
FFSGuid = GenFdsGlobalVariable.EFI_FIRMWARE_FILE_SYSTEM3_GUID;
#Update GenFv again
GenFdsGlobalVariable.GenerateFirmwareVolume(
FvOutputFile,
[self.InfFileName],
AddressFile=FvInfoFileName,
FfsList=FfsFileList,
ForceRebase=self.FvForceRebase,
FileSystemGuid=FFSGuid
)
#
# Write the Fv contents to Buffer
#
if os.path.isfile(FvOutputFile) and os.path.getsize(FvOutputFile) >= 0x48:
FvFileObj = open(FvOutputFile, 'rb')
# PI FvHeader is 0x48 byte
FvHeaderBuffer = FvFileObj.read(0x48)
Signature = FvHeaderBuffer[0x28:0x32]
if Signature and Signature.startswith(b'_FVH'):
GenFdsGlobalVariable.VerboseLogger("\nGenerate %s FV Successfully" % self.UiFvName)
GenFdsGlobalVariable.SharpCounter = 0
FvFileObj.seek(0)
Buffer.write(FvFileObj.read())
# FV alignment position.
FvAlignmentValue = 1 << (ord(FvHeaderBuffer[0x2E:0x2F]) & 0x1F)
if FvAlignmentValue >= 0x400:
if FvAlignmentValue >= 0x100000:
if FvAlignmentValue >= 0x1000000:
#The max alignment supported by FFS is 16M.
self.FvAlignment = "16M"
else:
self.FvAlignment = str(FvAlignmentValue // 0x100000) + "M"
else:
self.FvAlignment = str(FvAlignmentValue // 0x400) + "K"
else:
# FvAlignmentValue is less than 1K
self.FvAlignment = str (FvAlignmentValue)
FvFileObj.close()
GenFdsGlobalVariable.ImageBinDict[self.UiFvName.upper() + 'fv'] = FvOutputFile
GenFdsGlobalVariable.LargeFileInFvFlags.pop()
else:
GenFdsGlobalVariable.ErrorLogger("Invalid FV file %s." % self.UiFvName)
else:
GenFdsGlobalVariable.ErrorLogger("Failed to generate %s FV file." %self.UiFvName)
return FvOutputFile
## _GetBlockSize()
#
# Calculate FV's block size
# Inherit block size from FD if no block size specified in FV
#
def _GetBlockSize(self):
if self.BlockSizeList:
return True
for FdObj in GenFdsGlobalVariable.FdfParser.Profile.FdDict.values():
for RegionObj in FdObj.RegionList:
if RegionObj.RegionType != BINARY_FILE_TYPE_FV:
continue
for RegionData in RegionObj.RegionDataList:
#
# Found the FD and region that contain this FV
#
if self.UiFvName.upper() == RegionData.upper():
RegionObj.BlockInfoOfRegion(FdObj.BlockSizeList, self)
if self.BlockSizeList:
return True
return False
## _InitializeInf()
#
# Initialize the inf file to create FV
#
# @param self The object pointer
# @param BaseAddress base address of FV
# @param BlockSize block size of FV
# @param BlockNum How many blocks in FV
# @param ErasePolarity Flash erase polarity
#
def _InitializeInf (self, BaseAddress = None, BlockSize= None, BlockNum = None, ErasePloarity='1'):
#
# Create FV inf file
#
self.InfFileName = os.path.join(GenFdsGlobalVariable.FvDir,
self.UiFvName + '.inf')
self.FvInfFile = []
#
# Add [Options]
#
self.FvInfFile.append("[options]" + TAB_LINE_BREAK)
if BaseAddress is not None:
self.FvInfFile.append("EFI_BASE_ADDRESS = " + \
BaseAddress + \
TAB_LINE_BREAK)
if BlockSize is not None:
self.FvInfFile.append("EFI_BLOCK_SIZE = " + \
'0x%X' %BlockSize + \
TAB_LINE_BREAK)
if BlockNum is not None:
self.FvInfFile.append("EFI_NUM_BLOCKS = " + \
' 0x%X' %BlockNum + \
TAB_LINE_BREAK)
else:
if self.BlockSizeList == []:
if not self._GetBlockSize():
#set default block size is 1
self.FvInfFile.append("EFI_BLOCK_SIZE = 0x1" + TAB_LINE_BREAK)
for BlockSize in self.BlockSizeList:
if BlockSize[0] is not None:
self.FvInfFile.append("EFI_BLOCK_SIZE = " + \
'0x%X' %BlockSize[0] + \
TAB_LINE_BREAK)
if BlockSize[1] is not None:
self.FvInfFile.append("EFI_NUM_BLOCKS = " + \
' 0x%X' %BlockSize[1] + \
TAB_LINE_BREAK)
if self.BsBaseAddress is not None:
self.FvInfFile.append('EFI_BOOT_DRIVER_BASE_ADDRESS = ' + \
'0x%X' %self.BsBaseAddress)
if self.RtBaseAddress is not None:
self.FvInfFile.append('EFI_RUNTIME_DRIVER_BASE_ADDRESS = ' + \
'0x%X' %self.RtBaseAddress)
#
# Add attribute
#
self.FvInfFile.append("[attributes]" + TAB_LINE_BREAK)
self.FvInfFile.append("EFI_ERASE_POLARITY = " + \
' %s' %ErasePloarity + \
TAB_LINE_BREAK)
if not (self.FvAttributeDict is None):
for FvAttribute in self.FvAttributeDict.keys():
if FvAttribute == "FvUsedSizeEnable":
if self.FvAttributeDict[FvAttribute].upper() in ('TRUE', '1'):
self.UsedSizeEnable = True
continue
self.FvInfFile.append("EFI_" + \
FvAttribute + \
' = ' + \
self.FvAttributeDict[FvAttribute] + \
TAB_LINE_BREAK )
if self.FvAlignment is not None:
self.FvInfFile.append("EFI_FVB2_ALIGNMENT_" + \
self.FvAlignment.strip() + \
" = TRUE" + \
TAB_LINE_BREAK)
#
# Generate FV extension header file
#
if not self.FvNameGuid:
if len(self.FvExtEntryType) > 0 or self.UsedSizeEnable:
GenFdsGlobalVariable.ErrorLogger("FV Extension Header Entries declared for %s with no FvNameGuid declaration." % (self.UiFvName))
else:
TotalSize = 16 + 4
Buffer = bytearray()
if self.UsedSizeEnable:
TotalSize += (4 + 4)
## define EFI_FV_EXT_TYPE_USED_SIZE_TYPE 0x03
#typedef struct
# {
# EFI_FIRMWARE_VOLUME_EXT_ENTRY Hdr;
# UINT32 UsedSize;
# } EFI_FIRMWARE_VOLUME_EXT_ENTRY_USED_SIZE_TYPE;
Buffer += pack('HHL', 8, 3, 0)
if self.FvNameString == 'TRUE':
#
# Create EXT entry for FV UI name
# This GUID is used: A67DF1FA-8DE8-4E98-AF09-4BDF2EFFBC7C
#
FvUiLen = len(self.UiFvName)
TotalSize += (FvUiLen + 16 + 4)
Guid = FV_UI_EXT_ENTY_GUID.split('-')
#
# Layout:
# EFI_FIRMWARE_VOLUME_EXT_ENTRY: size 4
# GUID: size 16
# FV UI name
#
Buffer += (pack('HH', (FvUiLen + 16 + 4), 0x0002)
+ PackGUID(Guid)
+ self.UiFvName.encode('utf-8'))
for Index in range (0, len(self.FvExtEntryType)):
if self.FvExtEntryType[Index] == 'FILE':
# check if the path is absolute or relative
if os.path.isabs(self.FvExtEntryData[Index]):
FileFullPath = os.path.normpath(self.FvExtEntryData[Index])
else:
FileFullPath = os.path.normpath(os.path.join(GenFdsGlobalVariable.WorkSpaceDir, self.FvExtEntryData[Index]))
# check if the file path exists or not
if not os.path.isfile(FileFullPath):
GenFdsGlobalVariable.ErrorLogger("Error opening FV Extension Header Entry file %s." % (self.FvExtEntryData[Index]))
FvExtFile = open (FileFullPath, 'rb')
FvExtFile.seek(0, 2)
Size = FvExtFile.tell()
if Size >= 0x10000:
GenFdsGlobalVariable.ErrorLogger("The size of FV Extension Header Entry file %s exceeds 0x10000." % (self.FvExtEntryData[Index]))
TotalSize += (Size + 4)
FvExtFile.seek(0)
Buffer += pack('HH', (Size + 4), int(self.FvExtEntryTypeValue[Index], 16))
Buffer += FvExtFile.read()
FvExtFile.close()
if self.FvExtEntryType[Index] == 'DATA':
ByteList = self.FvExtEntryData[Index].split(',')
Size = len (ByteList)
if Size >= 0x10000:
GenFdsGlobalVariable.ErrorLogger("The size of FV Extension Header Entry data %s exceeds 0x10000." % (self.FvExtEntryData[Index]))
TotalSize += (Size + 4)
Buffer += pack('HH', (Size + 4), int(self.FvExtEntryTypeValue[Index], 16))
for Index1 in range (0, Size):
Buffer += pack('B', int(ByteList[Index1], 16))
Guid = self.FvNameGuid.split('-')
Buffer = PackGUID(Guid) + pack('=L', TotalSize) + Buffer
#
# Generate FV extension header file if the total size is not zero
#
if TotalSize > 0:
FvExtHeaderFileName = os.path.join(GenFdsGlobalVariable.FvDir, self.UiFvName + '.ext')
FvExtHeaderFile = BytesIO()
FvExtHeaderFile.write(Buffer)
Changed = SaveFileOnChange(FvExtHeaderFileName, FvExtHeaderFile.getvalue(), True)
FvExtHeaderFile.close()
if Changed:
if os.path.exists (self.InfFileName):
os.remove (self.InfFileName)
self.FvInfFile.append("EFI_FV_EXT_HEADER_FILE_NAME = " + \
FvExtHeaderFileName + \
TAB_LINE_BREAK)
#
# Add [Files]
#
self.FvInfFile.append("[files]" + TAB_LINE_BREAK)
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