mirror of https://github.com/acidanthera/audk.git
140 lines
5.9 KiB
Python
140 lines
5.9 KiB
Python
## @file
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# process FV image section generation
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#
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# Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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# Import Modules
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#
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import Section
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import StringIO
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from Ffs import Ffs
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import subprocess
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from GenFdsGlobalVariable import GenFdsGlobalVariable
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import Common.LongFilePathOs as os
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from CommonDataClass.FdfClass import FvImageSectionClassObject
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from Common import EdkLogger
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from Common.BuildToolError import *
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## generate FV image section
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#
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#
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class FvImageSection(FvImageSectionClassObject):
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## The constructor
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#
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# @param self The object pointer
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#
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def __init__(self):
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FvImageSectionClassObject.__init__(self)
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## GenSection() method
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#
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# Generate FV image section
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#
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# @param self The object pointer
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# @param OutputPath Where to place output file
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# @param ModuleName Which module this section belongs to
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# @param SecNum Index of section
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# @param KeyStringList Filter for inputs of section generation
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# @param FfsInf FfsInfStatement object that contains this section data
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# @param Dict dictionary contains macro and its value
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# @retval tuple (Generated file name, section alignment)
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#
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def GenSection(self, OutputPath, ModuleName, SecNum, KeyStringList, FfsInf = None, Dict = {}):
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OutputFileList = []
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if self.FvFileType != None:
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FileList, IsSect = Section.Section.GetFileList(FfsInf, self.FvFileType, self.FvFileExtension)
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if IsSect :
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return FileList, self.Alignment
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Num = SecNum
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MaxFvAlignment = 0
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for FvFileName in FileList:
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FvAlignmentValue = 0
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if os.path.isfile(FvFileName):
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FvFileObj = open (FvFileName,'rb')
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FvFileObj.seek(0)
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# PI FvHeader is 0x48 byte
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FvHeaderBuffer = FvFileObj.read(0x48)
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# FV alignment position.
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FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F)
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FvFileObj.close()
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if FvAlignmentValue > MaxFvAlignment:
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MaxFvAlignment = FvAlignmentValue
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OutputFile = os.path.join(OutputPath, ModuleName + 'SEC' + Num + Ffs.SectionSuffix.get("FV_IMAGE"))
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GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE')
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OutputFileList.append(OutputFile)
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# MaxFvAlignment is larger than or equal to 1K
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if MaxFvAlignment >= 0x400:
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if MaxFvAlignment >= 0x10000:
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#The max alignment supported by FFS is 64K.
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self.Alignment = "64K"
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else:
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self.Alignment = str (MaxFvAlignment / 0x400) + "K"
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else:
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# MaxFvAlignment is less than 1K
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self.Alignment = str (MaxFvAlignment)
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return OutputFileList, self.Alignment
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#
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# Generate Fv
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#
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if self.FvName != None:
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Buffer = StringIO.StringIO('')
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Fv = GenFdsGlobalVariable.FdfParser.Profile.FvDict.get(self.FvName)
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if Fv != None:
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self.Fv = Fv
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FvFileName = Fv.AddToBuffer(Buffer, self.FvAddr, MacroDict = Dict)
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if Fv.FvAlignment != None:
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if self.Alignment == None:
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self.Alignment = Fv.FvAlignment
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else:
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if GenFdsGlobalVariable.GetAlignment (Fv.FvAlignment) > GenFdsGlobalVariable.GetAlignment (self.Alignment):
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self.Alignment = Fv.FvAlignment
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else:
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if self.FvFileName != None:
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FvFileName = GenFdsGlobalVariable.ReplaceWorkspaceMacro(self.FvFileName)
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if os.path.isfile(FvFileName):
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FvFileObj = open (FvFileName,'rb')
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FvFileObj.seek(0)
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# PI FvHeader is 0x48 byte
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FvHeaderBuffer = FvFileObj.read(0x48)
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# FV alignment position.
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FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F)
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# FvAlignmentValue is larger than or equal to 1K
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if FvAlignmentValue >= 0x400:
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if FvAlignmentValue >= 0x10000:
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#The max alignment supported by FFS is 64K.
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self.Alignment = "64K"
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else:
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self.Alignment = str (FvAlignmentValue / 0x400) + "K"
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else:
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# FvAlignmentValue is less than 1K
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self.Alignment = str (FvAlignmentValue)
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FvFileObj.close()
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else:
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EdkLogger.error("GenFds", GENFDS_ERROR, "FvImageSection Failed! %s NOT found in FDF" % self.FvName)
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#
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# Prepare the parameter of GenSection
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#
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OutputFile = os.path.join(OutputPath, ModuleName + 'SEC' + SecNum + Ffs.SectionSuffix.get("FV_IMAGE"))
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GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE')
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OutputFileList.append(OutputFile)
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return OutputFileList, self.Alignment
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