1 ## @file 2 # process FV image section generation 3 # 4 # Copyright (c) 2007 - 2016, 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 import Section 19 import StringIO 20 from Ffs import Ffs 21 import subprocess 22 from GenFdsGlobalVariable import GenFdsGlobalVariable 23 import Common.LongFilePathOs as os 24 from CommonDataClass.FdfClass import FvImageSectionClassObject 25 from Common import EdkLogger 26 from Common.BuildToolError import * 27 28 ## generate FV image section 29 # 30 # 31 class FvImageSection(FvImageSectionClassObject): 32 33 ## The constructor 34 # 35 # @param self The object pointer 36 # 37 def __init__(self): 38 FvImageSectionClassObject.__init__(self) 39 40 ## GenSection() method 41 # 42 # Generate FV image section 43 # 44 # @param self The object pointer 45 # @param OutputPath Where to place output file 46 # @param ModuleName Which module this section belongs to 47 # @param SecNum Index of section 48 # @param KeyStringList Filter for inputs of section generation 49 # @param FfsInf FfsInfStatement object that contains this section data 50 # @param Dict dictionary contains macro and its value 51 # @retval tuple (Generated file name, section alignment) 52 # 53 def GenSection(self, OutputPath, ModuleName, SecNum, KeyStringList, FfsInf = None, Dict = {}): 54 55 OutputFileList = [] 56 if self.FvFileType != None: 57 FileList, IsSect = Section.Section.GetFileList(FfsInf, self.FvFileType, self.FvFileExtension) 58 if IsSect : 59 return FileList, self.Alignment 60 61 Num = SecNum 62 63 MaxFvAlignment = 0 64 for FvFileName in FileList: 65 FvAlignmentValue = 0 66 if os.path.isfile(FvFileName): 67 FvFileObj = open (FvFileName,'rb') 68 FvFileObj.seek(0) 69 # PI FvHeader is 0x48 byte 70 FvHeaderBuffer = FvFileObj.read(0x48) 71 # FV alignment position. 72 FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F) 73 FvFileObj.close() 74 if FvAlignmentValue > MaxFvAlignment: 75 MaxFvAlignment = FvAlignmentValue 76 77 OutputFile = os.path.join(OutputPath, ModuleName + 'SEC' + Num + Ffs.SectionSuffix.get("FV_IMAGE")) 78 GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE') 79 OutputFileList.append(OutputFile) 80 81 # MaxFvAlignment is larger than or equal to 1K 82 if MaxFvAlignment >= 0x400: 83 if MaxFvAlignment >= 0x10000: 84 #The max alignment supported by FFS is 64K. 85 self.Alignment = "64K" 86 else: 87 self.Alignment = str (MaxFvAlignment / 0x400) + "K" 88 else: 89 # MaxFvAlignment is less than 1K 90 self.Alignment = str (MaxFvAlignment) 91 92 return OutputFileList, self.Alignment 93 # 94 # Generate Fv 95 # 96 if self.FvName != None: 97 Buffer = StringIO.StringIO('') 98 Fv = GenFdsGlobalVariable.FdfParser.Profile.FvDict.get(self.FvName) 99 if Fv != None: 100 self.Fv = Fv 101 FvFileName = Fv.AddToBuffer(Buffer, self.FvAddr, MacroDict = Dict) 102 if Fv.FvAlignment != None: 103 if self.Alignment == None: 104 self.Alignment = Fv.FvAlignment 105 else: 106 if GenFdsGlobalVariable.GetAlignment (Fv.FvAlignment) > GenFdsGlobalVariable.GetAlignment (self.Alignment): 107 self.Alignment = Fv.FvAlignment 108 else: 109 if self.FvFileName != None: 110 FvFileName = GenFdsGlobalVariable.ReplaceWorkspaceMacro(self.FvFileName) 111 if os.path.isfile(FvFileName): 112 FvFileObj = open (FvFileName,'rb') 113 FvFileObj.seek(0) 114 # PI FvHeader is 0x48 byte 115 FvHeaderBuffer = FvFileObj.read(0x48) 116 # FV alignment position. 117 FvAlignmentValue = 1 << (ord (FvHeaderBuffer[0x2E]) & 0x1F) 118 # FvAlignmentValue is larger than or equal to 1K 119 if FvAlignmentValue >= 0x400: 120 if FvAlignmentValue >= 0x10000: 121 #The max alignment supported by FFS is 64K. 122 self.Alignment = "64K" 123 else: 124 self.Alignment = str (FvAlignmentValue / 0x400) + "K" 125 else: 126 # FvAlignmentValue is less than 1K 127 self.Alignment = str (FvAlignmentValue) 128 FvFileObj.close() 129 else: 130 EdkLogger.error("GenFds", GENFDS_ERROR, "FvImageSection Failed! %s NOT found in FDF" % self.FvName) 131 132 # 133 # Prepare the parameter of GenSection 134 # 135 OutputFile = os.path.join(OutputPath, ModuleName + 'SEC' + SecNum + Ffs.SectionSuffix.get("FV_IMAGE")) 136 GenFdsGlobalVariable.GenerateSection(OutputFile, [FvFileName], 'EFI_SECTION_FIRMWARE_VOLUME_IMAGE') 137 OutputFileList.append(OutputFile) 138 139 return OutputFileList, self.Alignment 140
