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## @file
# process FV image section generation
#
# Copyright (c) 2007 - 2016, Intel Corporation. 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.
#
##
# Import Modules
#
import Section
import StringIO
from Ffs import Ffs
import subprocess
from GenFdsGlobalVariable import GenFdsGlobalVariable
import Common.LongFilePathOs as os
from CommonDataClass.FdfClass import FvImageSectionClassObject
from Common import EdkLogger
from Common.BuildToolError import *
## generate FV image section
#
#
class FvImageSection(FvImageSectionClassObject):
## The constructor
#
# @param self The object pointer
#
def __init__(self):
FvImageSectionClassObject.__init__(self)
## GenSection() method
#
# Generate FV image section
#
# @param self The object pointer
# @param OutputPath Where to place output file
# @param ModuleName Which module this section belongs to
# @param SecNum Index of section
# @param KeyStringList Filter for inputs of section generation
# @param FfsInf FfsInfStatement object that contains this section data
# @param Dict dictionary contains macro and its value
# @retval tuple (Generated file name, section alignment)
#
def GenSection(self, OutputPath, ModuleName, SecNum, KeyStringList, FfsInf = None, Dict = {}):
OutputFileList = []
if self.FvFileType != None:
FileList, IsSect = Section.Section.GetFileList(FfsInf, self.FvFileType, self.FvFileExtension)
if IsSect :
return FileList, self.Alignment
Num = SecNum
MaxFvAlignment = 0
for FvFileName in FileList:
FvAlignmentValue = 0
if os.path.isfile(FvFileName):
FvFileObj = open (FvFileName,'rb')
FvFileObj.seek(0)
# PI FvHeader is 0x48 byte
FvHeaderBuffer = FvFileObj.read(0x48)
# FV alignment position.
FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F)
FvFileObj.close()
if FvAlignmentValue > MaxFvAlignment:
MaxFvAlignment = FvAlignmentValue
OutputFile = os.path.join(OutputPath, ModuleName + 'SEC' + Num + Ffs.SectionSuffix.get("FV_IMAGE"))
GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE')
OutputFileList.append(OutputFile)
# MaxFvAlignment is larger than or equal to 1K
if MaxFvAlignment >= 0x400:
if MaxFvAlignment >= 0x10000:
#The max alignment supported by FFS is 64K.
self.Alignment = "64K"
else:
self.Alignment = str (MaxFvAlignment / 0x400) + "K"
else:
# MaxFvAlignment is less than 1K
self.Alignment = str (MaxFvAlignment)
return OutputFileList, self.Alignment
#
# Generate Fv
#
if self.FvName != None:
Buffer = StringIO.StringIO('')
Fv = GenFdsGlobalVariable.FdfParser.Profile.FvDict.get(self.FvName)
if Fv != None:
self.Fv = Fv
FvFileName = Fv.AddToBuffer(Buffer, self.FvAddr, MacroDict = Dict)
if Fv.FvAlignment != None:
if self.Alignment == None:
self.Alignment = Fv.FvAlignment
else:
if GenFdsGlobalVariable.GetAlignment (Fv.FvAlignment) > GenFdsGlobalVariable.GetAlignment (self.Alignment):
self.Alignment = Fv.FvAlignment
else:
if self.FvFileName != None:
FvFileName = GenFdsGlobalVariable.ReplaceWorkspaceMacro(self.FvFileName)
if os.path.isfile(FvFileName):
FvFileObj = open (FvFileName,'rb')
FvFileObj.seek(0)
# PI FvHeader is 0x48 byte
FvHeaderBuffer = FvFileObj.read(0x48)
# FV alignment position.
FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F)
# FvAlignmentValue is larger than or equal to 1K
if FvAlignmentValue >= 0x400:
if FvAlignmentValue >= 0x10000:
#The max alignment supported by FFS is 64K.
self.Alignment = "64K"
else:
self.Alignment = str (FvAlignmentValue / 0x400) + "K"
else:
# FvAlignmentValue is less than 1K
self.Alignment = str (FvAlignmentValue)
FvFileObj.close()
else:
EdkLogger.error("GenFds", GENFDS_ERROR, "FvImageSection Failed! %s NOT found in FDF" % self.FvName)
#
# Prepare the parameter of GenSection
#
OutputFile = os.path.join(OutputPath, ModuleName + 'SEC' + SecNum + Ffs.SectionSuffix.get("FV_IMAGE"))
GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE')
OutputFileList.append(OutputFile)
return OutputFileList, self.Alignment
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