BaseTools/Source/Python/GenFds/FvImageSection.py

   1 ## @file
   2 # process FV image section generation
   3 #
   4 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
   5 #
   6 #  This program and the accompanying materials
   7 #  are licensed and made available under the terms and conditions of the BSD License
   8 #  which accompanies this distribution.  The full text of the license may be found at
   9 #  http://opensource.org/licenses/bsd-license.php
  10 #
  11 #  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 #  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13 #
  14
  15 ##
  16 # Import Modules
  17 #
  18 from __future__ import absolute_import
  19 from . import Section
  20 from io import BytesIO
  21 from .Ffs import Ffs
  22 import subprocess
  23 from .GenFdsGlobalVariable import GenFdsGlobalVariable
  24 import Common.LongFilePathOs as os
  25 from CommonDataClass.FdfClass import FvImageSectionClassObject
  26 from Common import EdkLogger
  27 from Common.BuildToolError import *
  28 from Common.DataType import *
  29
  30 ## generate FV image section
  31 #
  32 #
  33 class FvImageSection(FvImageSectionClassObject):
  34
  35     ## The constructor
  36     #
  37     #   @param  self        The object pointer
  38     #
  39     def __init__(self):
  40         FvImageSectionClassObject.__init__(self)
  41
  42     ## GenSection() method
  43     #
  44     #   Generate FV image section
  45     #
  46     #   @param  self        The object pointer
  47     #   @param  OutputPath  Where to place output file
  48     #   @param  ModuleName  Which module this section belongs to
  49     #   @param  SecNum      Index of section
  50     #   @param  KeyStringList  Filter for inputs of section generation
  51     #   @param  FfsInf      FfsInfStatement object that contains this section data
  52     #   @param  Dict        dictionary contains macro and its value
  53     #   @retval tuple       (Generated file name, section alignment)
  54     #
  55     def GenSection(self, OutputPath, ModuleName, SecNum, KeyStringList, FfsInf = None, Dict = {}, IsMakefile = False):
  56
  57         OutputFileList = []
  58         if self.FvFileType is not None:
  59             FileList, IsSect = Section.Section.GetFileList(FfsInf, self.FvFileType, self.FvFileExtension)
  60             if IsSect :
  61                 return FileList, self.Alignment
  62
  63             Num = SecNum
  64
  65             MaxFvAlignment = 0
  66             for FvFileName in FileList:
  67                 FvAlignmentValue = 0
  68                 if os.path.isfile(FvFileName):
  69                     FvFileObj = open (FvFileName, 'rb')
  70                     FvFileObj.seek(0)
  71                     # PI FvHeader is 0x48 byte
  72                     FvHeaderBuffer = FvFileObj.read(0x48)
  73                     # FV alignment position.
  74                     FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F)
  75                     FvFileObj.close()
  76                 if FvAlignmentValue > MaxFvAlignment:
  77                     MaxFvAlignment = FvAlignmentValue
  78
  79                 OutputFile = os.path.join(OutputPath, ModuleName + SUP_MODULE_SEC + Num + Ffs.SectionSuffix.get("FV_IMAGE"))
  80                 GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE', IsMakefile=IsMakefile)
  81                 OutputFileList.append(OutputFile)
  82
  83             # MaxFvAlignment is larger than or equal to 1K
  84             if MaxFvAlignment >= 0x400:
  85                 if MaxFvAlignment >= 0x100000:
  86                     #The max alignment supported by FFS is 16M.
  87                     if MaxFvAlignment >= 0x1000000:
  88                         self.Alignment = "16M"
  89                     else:
  90                         self.Alignment = str(MaxFvAlignment / 0x100000) + "M"
  91                 else:
  92                     self.Alignment = str (MaxFvAlignment / 0x400) + "K"
  93             else:
  94                 # MaxFvAlignment is less than 1K
  95                 self.Alignment = str (MaxFvAlignment)
  96
  97             return OutputFileList, self.Alignment
  98         #
  99         # Generate Fv
 100         #
 101         if self.FvName is not None:
 102             Buffer = BytesIO('')
 103             Fv = GenFdsGlobalVariable.FdfParser.Profile.FvDict.get(self.FvName)
 104             if Fv is not None:
 105                 self.Fv = Fv
 106                 FvFileName = Fv.AddToBuffer(Buffer, self.FvAddr, MacroDict = Dict, Flag=IsMakefile)
 107                 if Fv.FvAlignment is not None:
 108                     if self.Alignment is None:
 109                         self.Alignment = Fv.FvAlignment
 110                     else:
 111                         if GenFdsGlobalVariable.GetAlignment (Fv.FvAlignment) > GenFdsGlobalVariable.GetAlignment (self.Alignment):
 112                             self.Alignment = Fv.FvAlignment
 113             else:
 114                 if self.FvFileName is not None:
 115                     FvFileName = GenFdsGlobalVariable.ReplaceWorkspaceMacro(self.FvFileName)
 116                     if os.path.isfile(FvFileName):
 117                         FvFileObj = open (FvFileName, 'rb')
 118                         FvFileObj.seek(0)
 119                         # PI FvHeader is 0x48 byte
 120                         FvHeaderBuffer = FvFileObj.read(0x48)
 121                         # FV alignment position.
 122                         FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F)
 123                         # FvAlignmentValue is larger than or equal to 1K
 124                         if FvAlignmentValue >= 0x400:
 125                             if FvAlignmentValue >= 0x100000:
 126                                 #The max alignment supported by FFS is 16M.
 127                                 if FvAlignmentValue >= 0x1000000:
 128                                     self.Alignment = "16M"
 129                                 else:
 130                                     self.Alignment = str(FvAlignmentValue / 0x100000) + "M"
 131                             else:
 132                                 self.Alignment = str (FvAlignmentValue / 0x400) + "K"
 133                         else:
 134                             # FvAlignmentValue is less than 1K
 135                             self.Alignment = str (FvAlignmentValue)
 136                         FvFileObj.close()
 137                     else:
 138                         if len (mws.getPkgPath()) == 0:
 139                             EdkLogger.error("GenFds", FILE_NOT_FOUND, "%s is not found in WORKSPACE: %s" % self.FvFileName, GenFdsGlobalVariable.WorkSpaceDir)
 140                         else:
 141                             EdkLogger.error("GenFds", FILE_NOT_FOUND, "%s is not found in packages path:\n\t%s" % (self.FvFileName, '\n\t'.join(mws.getPkgPath())))
 142
 143                 else:
 144                     EdkLogger.error("GenFds", GENFDS_ERROR, "FvImageSection Failed! %s NOT found in FDF" % self.FvName)
 145
 146             #
 147             # Prepare the parameter of GenSection
 148             #
 149             OutputFile = os.path.join(OutputPath, ModuleName + SUP_MODULE_SEC + SecNum + Ffs.SectionSuffix.get("FV_IMAGE"))
 150             GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE', IsMakefile=IsMakefile)
 151             OutputFileList.append(OutputFile)
 152
 153             return OutputFileList, self.Alignment