[mirror_edk2.git] / BaseTools / Source / Python / GenFds / GuidSection.py

## @file\r
# process GUIDed section generation\r
#\r
#  Copyright (c) 2007 - 2010, Intel Corporation\r
#\r
#  All rights reserved. This program and the accompanying materials\r
#  are licensed and made available under the terms and conditions of the BSD License\r
#  which accompanies this distribution.  The full text of the license may be found at\r
#  http://opensource.org/licenses/bsd-license.php\r
#\r
#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#\r
\r
##\r
# Import Modules\r
#\r
import Section\r
import subprocess\r
from Ffs import Ffs\r
import os\r
from GenFdsGlobalVariable import GenFdsGlobalVariable\r
from CommonDataClass.FdfClass import GuidSectionClassObject\r
from Common import ToolDefClassObject\r
import sys\r
from Common import EdkLogger\r
from Common.BuildToolError import *\r
from FvImageSection import FvImageSection\r
\r
## generate GUIDed section\r
#\r
#\r
class GuidSection(GuidSectionClassObject) :\r
\r
    ## The constructor\r
    #\r
    #   @param  self        The object pointer\r
    #\r
    def __init__(self):\r
        GuidSectionClassObject.__init__(self)\r
\r
    ## GenSection() method\r
    #\r
    #   Generate GUIDed section\r
    #\r
    #   @param  self        The object pointer\r
    #   @param  OutputPath  Where to place output file\r
    #   @param  ModuleName  Which module this section belongs to\r
    #   @param  SecNum      Index of section\r
    #   @param  KeyStringList  Filter for inputs of section generation\r
    #   @param  FfsInf      FfsInfStatement object that contains this section data\r
    #   @param  Dict        dictionary contains macro and its value\r
    #   @retval tuple       (Generated file name, section alignment)\r
    #\r
    def GenSection(self, OutputPath, ModuleName, SecNum, KeyStringList, FfsInf = None, Dict = {}):\r
        #\r
        # Generate all section\r
        #\r
        self.KeyStringList = KeyStringList\r
        self.CurrentArchList = GenFdsGlobalVariable.ArchList\r
        if FfsInf != None:\r
            self.Alignment = FfsInf.__ExtendMacro__(self.Alignment)\r
            self.NameGuid = FfsInf.__ExtendMacro__(self.NameGuid)\r
            self.SectionType = FfsInf.__ExtendMacro__(self.SectionType)\r
            self.CurrentArchList = [FfsInf.CurrentArch]\r
\r
        SectFile  = tuple()\r
        SectAlign = []\r
        Index = 0\r
        MaxAlign = None\r
        if self.FvAddr != []:\r
            FvAddrIsSet = True\r
        else:\r
            FvAddrIsSet = False\r
        \r
        if self.ProcessRequired in ("TRUE", "1"):\r
            if self.FvAddr != []:\r
                #no use FvAddr when the image is processed.\r
                self.FvAddr = []\r
            if self.FvParentAddr != None:\r
                #no use Parent Addr when the image is processed.\r
                self.FvParentAddr = None\r
\r
        for Sect in self.SectionList:\r
            Index = Index + 1\r
            SecIndex = '%s.%d' %(SecNum,Index)\r
            # set base address for inside FvImage\r
            if isinstance(Sect, FvImageSection):\r
                if self.FvAddr != []:\r
                    Sect.FvAddr = self.FvAddr.pop(0)\r
                self.IncludeFvSection = True\r
            elif isinstance(Sect, GuidSection):\r
                Sect.FvAddr = self.FvAddr\r
                Sect.FvParentAddr = self.FvParentAddr\r
            ReturnSectList, align = Sect.GenSection(OutputPath, ModuleName, SecIndex, KeyStringList,FfsInf, Dict)\r
            if isinstance(Sect, GuidSection):\r
                if Sect.IncludeFvSection:\r
                    self.IncludeFvSection = Sect.IncludeFvSection\r
\r
            if align != None:\r
                if MaxAlign == None:\r
                    MaxAlign = align\r
                if GenFdsGlobalVariable.GetAlignment (align) > GenFdsGlobalVariable.GetAlignment (MaxAlign):\r
                    MaxAlign = align\r
            if ReturnSectList != []:\r
                if align == None:\r
                    align = "1"\r
                for file in ReturnSectList:\r
                    SectFile += (file,)\r
                    SectAlign.append(align)\r
\r
        if MaxAlign != None:\r
            if self.Alignment == None:\r
                self.Alignment = MaxAlign\r
            else:\r
                if GenFdsGlobalVariable.GetAlignment (MaxAlign) > GenFdsGlobalVariable.GetAlignment (self.Alignment):\r
                    self.Alignment = MaxAlign\r
\r
        OutputFile = OutputPath + \\r
                     os.sep     + \\r
                     ModuleName + \\r
                     'SEC'      + \\r
                     SecNum     + \\r
                     Ffs.SectionSuffix['GUIDED']\r
        OutputFile = os.path.normpath(OutputFile)\r
\r
        ExternalTool = None\r
        ExternalOption = None\r
        if self.NameGuid != None:\r
            ExternalTool, ExternalOption = self.__FindExtendTool__()\r
\r
        #\r
        # If not have GUID , call default\r
        # GENCRC32 section\r
        #\r
        if self.NameGuid == None :\r
            GenFdsGlobalVariable.VerboseLogger( "Use GenSection function Generate CRC32 Section")\r
            GenFdsGlobalVariable.GenerateSection(OutputFile, SectFile, Section.Section.SectionType[self.SectionType], InputAlign=SectAlign)\r
            OutputFileList = []\r
            OutputFileList.append(OutputFile)\r
            return OutputFileList, self.Alignment\r
        #or GUID not in External Tool List\r
        elif ExternalTool == None:\r
            EdkLogger.error("GenFds", GENFDS_ERROR, "No tool found with GUID %s" % self.NameGuid)\r
        else:\r
            DummyFile = OutputFile+".dummy"\r
            #\r
            # Call GenSection with DUMMY section type.\r
            #\r
            GenFdsGlobalVariable.GenerateSection(DummyFile, SectFile, InputAlign=SectAlign)\r
            #\r
            # Use external tool process the Output\r
            #\r
            TempFile = OutputPath + \\r
                       os.sep     + \\r
                       ModuleName + \\r
                       'SEC'      + \\r
                       SecNum     + \\r
                       '.tmp'\r
            TempFile = os.path.normpath(TempFile)\r
\r
            FirstCall = False\r
            CmdOption = '-e'\r
            if ExternalOption != None:\r
                CmdOption = CmdOption + ' ' + ExternalOption\r
            if self.ProcessRequired not in ("TRUE", "1") and self.IncludeFvSection and not FvAddrIsSet and self.FvParentAddr != None:\r
                #FirstCall is only set for the encapsulated flash FV image without process required attribute.\r
                FirstCall = True\r
            #\r
            # Call external tool\r
            #\r
            ReturnValue = [1]\r
            if FirstCall:\r
                #first try to call the guided tool with -z option and CmdOption for the no process required guided tool.\r
                GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, '-z' + ' ' + CmdOption, ReturnValue)\r
\r
            #\r
            # when no call or first call failed, ReturnValue are not 1.\r
            # Call the guided tool with CmdOption\r
            #\r
            if ReturnValue[0] != 0:\r
                FirstCall = False\r
                ReturnValue[0] = 0\r
                GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, CmdOption)\r
\r
            FileHandleIn = open(DummyFile,'rb')\r
            FileHandleIn.seek(0,2)\r
            InputFileSize = FileHandleIn.tell()\r
            \r
            FileHandleOut = open(TempFile,'rb')\r
            FileHandleOut.seek(0,2)\r
            TempFileSize = FileHandleOut.tell()\r
\r
            Attribute = []\r
            HeaderLength = None\r
            if TempFileSize > InputFileSize and TempFileSize % 4 == 0:\r
                FileHandleIn.seek(0)\r
                BufferIn  = FileHandleIn.read()\r
                FileHandleOut.seek(0)\r
                BufferOut = FileHandleOut.read()\r
                if BufferIn == BufferOut[TempFileSize - InputFileSize:]:\r
                    HeaderLength = str(TempFileSize - InputFileSize)\r
            #auto sec guided attribute with process required\r
            if HeaderLength == None:\r
                Attribute.append('PROCESSING_REQUIRED')\r
\r
            FileHandleIn.close()\r
            FileHandleOut.close()\r
            \r
            if FirstCall and 'PROCESSING_REQUIRED' in Attribute:\r
                # Guided data by -z option on first call is the process required data. Call the guided tool with the real option.\r
                GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, CmdOption)\r
            \r
            #\r
            # Call Gensection Add Section Header\r
            #\r
            if self.ProcessRequired in ("TRUE", "1"):\r
                if 'PROCESSING_REQUIRED' not in Attribute:\r
                    Attribute.append('PROCESSING_REQUIRED')\r
                HeaderLength = None\r
            if self.AuthStatusValid in ("TRUE", "1"):\r
                Attribute.append('AUTH_STATUS_VALID')\r
            GenFdsGlobalVariable.GenerateSection(OutputFile, [TempFile], Section.Section.SectionType['GUIDED'],\r
                                                 Guid=self.NameGuid, GuidAttr=Attribute, GuidHdrLen=HeaderLength)\r
            OutputFileList = []\r
            OutputFileList.append(OutputFile)\r
            if 'PROCESSING_REQUIRED' in Attribute:\r
                # reset guided section alignment to none for the processed required guided data\r
                self.Alignment = None\r
                self.IncludeFvSection = False\r
                self.ProcessRequired = "TRUE"\r
            return OutputFileList, self.Alignment\r
\r
    ## __FindExtendTool()\r
    #\r
    #    Find location of tools to process section data\r
    #\r
    #   @param  self        The object pointer\r
    #\r
    def __FindExtendTool__(self):\r
        # if user not specify filter, try to deduce it from global data.\r
        if self.KeyStringList == None or self.KeyStringList == []:\r
            Target = GenFdsGlobalVariable.TargetName\r
            ToolChain = GenFdsGlobalVariable.ToolChainTag\r
            ToolDb = ToolDefClassObject.ToolDefDict(GenFdsGlobalVariable.WorkSpaceDir).ToolsDefTxtDatabase\r
            if ToolChain not in ToolDb['TOOL_CHAIN_TAG']:\r
                EdkLogger.error("GenFds", GENFDS_ERROR, "Can not find external tool because tool tag %s is not defined in tools_def.txt!" % ToolChain)\r
            self.KeyStringList = [Target+'_'+ToolChain+'_'+self.CurrentArchList[0]]\r
            for Arch in self.CurrentArchList:\r
                if Target+'_'+ToolChain+'_'+Arch not in self.KeyStringList:\r
                    self.KeyStringList.append(Target+'_'+ToolChain+'_'+Arch)\r
                    \r
        ToolDefinition = ToolDefClassObject.ToolDefDict(GenFdsGlobalVariable.WorkSpaceDir).ToolsDefTxtDictionary\r
        ToolPathTmp = None\r
        for ToolDef in ToolDefinition.items():\r
            if self.NameGuid == ToolDef[1]:\r
                KeyList = ToolDef[0].split('_')\r
                Key = KeyList[0] + \\r
                      '_'        + \\r
                      KeyList[1] + \\r
                      '_'        + \\r
                      KeyList[2]\r
                if Key in self.KeyStringList and KeyList[4] == 'GUID':\r
\r
                    ToolPath = ToolDefinition.get( Key        + \\r
                                                   '_'        + \\r
                                                   KeyList[3] + \\r
                                                   '_'        + \\r
                                                   'PATH')\r
\r
                    ToolOption = ToolDefinition.get( Key        + \\r
                                                    '_'        + \\r
                                                    KeyList[3] + \\r
                                                    '_'        + \\r
                                                    'FLAGS')\r
                    if ToolPathTmp == None:\r
                        ToolPathTmp = ToolPath\r
                    else:\r
                        if ToolPathTmp != ToolPath:\r
                            EdkLogger.error("GenFds", GENFDS_ERROR, "Don't know which tool to use, %s or %s ?" % (ToolPathTmp, ToolPath))\r
                            \r
                    \r
        return ToolPathTmp, ToolOption\r
\r
\r
\r
Commit	Line	Data
30fdf114 LG	1	## @file\r
	2	# process GUIDed section generation\r
	3	#\r
52302d4d	4	# Copyright (c) 2007 - 2010, Intel Corporation\r
30fdf114 LG	5	#\r
	6	# All rights reserved. This program and the accompanying materials\r
	7	# are licensed and made available under the terms and conditions of the BSD License\r
	8	# which accompanies this distribution. The full text of the license may be found at\r
	9	# http://opensource.org/licenses/bsd-license.php\r
	10	#\r
	11	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	12	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	13	#\r
	14	\r
	15	##\r
	16	# Import Modules\r
	17	#\r
	18	import Section\r
	19	import subprocess\r
	20	from Ffs import Ffs\r
	21	import os\r
	22	from GenFdsGlobalVariable import GenFdsGlobalVariable\r
	23	from CommonDataClass.FdfClass import GuidSectionClassObject\r
	24	from Common import ToolDefClassObject\r
	25	import sys\r
	26	from Common import EdkLogger\r
	27	from Common.BuildToolError import *\r
52302d4d	28	from FvImageSection import FvImageSection\r
30fdf114 LG	29	\r
	30	## generate GUIDed section\r
	31	#\r
	32	#\r
	33	class GuidSection(GuidSectionClassObject) :\r
	34	\r
	35	## The constructor\r
	36	#\r
	37	# @param self The object pointer\r
	38	#\r
	39	def __init__(self):\r
	40	GuidSectionClassObject.__init__(self)\r
	41	\r
	42	## GenSection() method\r
	43	#\r
	44	# Generate GUIDed section\r
	45	#\r
	46	# @param self The object pointer\r
	47	# @param OutputPath Where to place output file\r
	48	# @param ModuleName Which module this section belongs to\r
	49	# @param SecNum Index of section\r
	50	# @param KeyStringList Filter for inputs of section generation\r
	51	# @param FfsInf FfsInfStatement object that contains this section data\r
	52	# @param Dict dictionary contains macro and its value\r
	53	# @retval tuple (Generated file name, section alignment)\r
	54	#\r
	55	def GenSection(self, OutputPath, ModuleName, SecNum, KeyStringList, FfsInf = None, Dict = {}):\r
	56	#\r
	57	# Generate all section\r
	58	#\r
	59	self.KeyStringList = KeyStringList\r
	60	self.CurrentArchList = GenFdsGlobalVariable.ArchList\r
	61	if FfsInf != None:\r
	62	self.Alignment = FfsInf.__ExtendMacro__(self.Alignment)\r
	63	self.NameGuid = FfsInf.__ExtendMacro__(self.NameGuid)\r
	64	self.SectionType = FfsInf.__ExtendMacro__(self.SectionType)\r
	65	self.CurrentArchList = [FfsInf.CurrentArch]\r
	66	\r
52302d4d LG	67	SectFile = tuple()\r
52302d4d LG	68	SectAlign = []\r
30fdf114	69	Index = 0\r
52302d4d LG	70	MaxAlign = None\r
	71	if self.FvAddr != []:\r
	72	FvAddrIsSet = True\r
	73	else:\r
	74	FvAddrIsSet = False\r
	75	\r
	76	if self.ProcessRequired in ("TRUE", "1"):\r
	77	if self.FvAddr != []:\r
	78	#no use FvAddr when the image is processed.\r
	79	self.FvAddr = []\r
	80	if self.FvParentAddr != None:\r
	81	#no use Parent Addr when the image is processed.\r
	82	self.FvParentAddr = None\r
	83	\r
30fdf114 LG	84	for Sect in self.SectionList:\r
	85	Index = Index + 1\r
	86	SecIndex = '%s.%d' %(SecNum,Index)\r
52302d4d LG	87	# set base address for inside FvImage\r
	88	if isinstance(Sect, FvImageSection):\r
	89	if self.FvAddr != []:\r
	90	Sect.FvAddr = self.FvAddr.pop(0)\r
	91	self.IncludeFvSection = True\r
	92	elif isinstance(Sect, GuidSection):\r
	93	Sect.FvAddr = self.FvAddr\r
	94	Sect.FvParentAddr = self.FvParentAddr\r
30fdf114	95	ReturnSectList, align = Sect.GenSection(OutputPath, ModuleName, SecIndex, KeyStringList,FfsInf, Dict)\r
52302d4d LG	96	if isinstance(Sect, GuidSection):\r
	97	if Sect.IncludeFvSection:\r
	98	self.IncludeFvSection = Sect.IncludeFvSection\r
	99	\r
	100	if align != None:\r
	101	if MaxAlign == None:\r
	102	MaxAlign = align\r
	103	if GenFdsGlobalVariable.GetAlignment (align) > GenFdsGlobalVariable.GetAlignment (MaxAlign):\r
	104	MaxAlign = align\r
30fdf114	105	if ReturnSectList != []:\r
52302d4d LG	106	if align == None:\r
52302d4d LG	107	align = "1"\r
30fdf114 LG	108	for file in ReturnSectList:\r
30fdf114 LG	109	SectFile += (file,)\r
52302d4d	110	SectAlign.append(align)\r
30fdf114	111	\r
52302d4d LG	112	if MaxAlign != None:\r
	113	if self.Alignment == None:\r
	114	self.Alignment = MaxAlign\r
	115	else:\r
	116	if GenFdsGlobalVariable.GetAlignment (MaxAlign) > GenFdsGlobalVariable.GetAlignment (self.Alignment):\r
	117	self.Alignment = MaxAlign\r
30fdf114 LG	118	\r
	119	OutputFile = OutputPath + \\r
	120	os.sep + \\r
	121	ModuleName + \\r
	122	'SEC' + \\r
	123	SecNum + \\r
	124	Ffs.SectionSuffix['GUIDED']\r
	125	OutputFile = os.path.normpath(OutputFile)\r
	126	\r
	127	ExternalTool = None\r
52302d4d	128	ExternalOption = None\r
30fdf114	129	if self.NameGuid != None:\r
52302d4d LG	130	ExternalTool, ExternalOption = self.__FindExtendTool__()\r
52302d4d LG	131	\r
30fdf114 LG	132	#\r
	133	# If not have GUID , call default\r
	134	# GENCRC32 section\r
	135	#\r
	136	if self.NameGuid == None :\r
	137	GenFdsGlobalVariable.VerboseLogger( "Use GenSection function Generate CRC32 Section")\r
52302d4d	138	GenFdsGlobalVariable.GenerateSection(OutputFile, SectFile, Section.Section.SectionType[self.SectionType], InputAlign=SectAlign)\r
30fdf114 LG	139	OutputFileList = []\r
	140	OutputFileList.append(OutputFile)\r
	141	return OutputFileList, self.Alignment\r
	142	#or GUID not in External Tool List\r
	143	elif ExternalTool == None:\r
	144	EdkLogger.error("GenFds", GENFDS_ERROR, "No tool found with GUID %s" % self.NameGuid)\r
	145	else:\r
52302d4d	146	DummyFile = OutputFile+".dummy"\r
30fdf114 LG	147	#\r
	148	# Call GenSection with DUMMY section type.\r
	149	#\r
52302d4d	150	GenFdsGlobalVariable.GenerateSection(DummyFile, SectFile, InputAlign=SectAlign)\r
30fdf114 LG	151	#\r
	152	# Use external tool process the Output\r
	153	#\r
30fdf114 LG	154	TempFile = OutputPath + \\r
	155	os.sep + \\r
	156	ModuleName + \\r
	157	'SEC' + \\r
	158	SecNum + \\r
	159	'.tmp'\r
	160	TempFile = os.path.normpath(TempFile)\r
	161	\r
52302d4d LG	162	FirstCall = False\r
	163	CmdOption = '-e'\r
	164	if ExternalOption != None:\r
	165	CmdOption = CmdOption + ' ' + ExternalOption\r
	166	if self.ProcessRequired not in ("TRUE", "1") and self.IncludeFvSection and not FvAddrIsSet and self.FvParentAddr != None:\r
	167	#FirstCall is only set for the encapsulated flash FV image without process required attribute.\r
	168	FirstCall = True\r
30fdf114 LG	169	#\r
	170	# Call external tool\r
	171	#\r
52302d4d LG	172	ReturnValue = [1]\r
	173	if FirstCall:\r
	174	#first try to call the guided tool with -z option and CmdOption for the no process required guided tool.\r
	175	GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, '-z' + ' ' + CmdOption, ReturnValue)\r
30fdf114 LG	176	\r
30fdf114 LG	177	#\r
52302d4d LG	178	# when no call or first call failed, ReturnValue are not 1.\r
52302d4d LG	179	# Call the guided tool with CmdOption\r
30fdf114	180	#\r
52302d4d LG	181	if ReturnValue[0] != 0:\r
	182	FirstCall = False\r
	183	ReturnValue[0] = 0\r
	184	GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, CmdOption)\r
	185	\r
	186	FileHandleIn = open(DummyFile,'rb')\r
	187	FileHandleIn.seek(0,2)\r
	188	InputFileSize = FileHandleIn.tell()\r
	189	\r
	190	FileHandleOut = open(TempFile,'rb')\r
	191	FileHandleOut.seek(0,2)\r
	192	TempFileSize = FileHandleOut.tell()\r
	193	\r
	194	Attribute = []\r
	195	HeaderLength = None\r
	196	if TempFileSize > InputFileSize and TempFileSize % 4 == 0:\r
	197	FileHandleIn.seek(0)\r
	198	BufferIn = FileHandleIn.read()\r
	199	FileHandleOut.seek(0)\r
	200	BufferOut = FileHandleOut.read()\r
	201	if BufferIn == BufferOut[TempFileSize - InputFileSize:]:\r
	202	HeaderLength = str(TempFileSize - InputFileSize)\r
	203	#auto sec guided attribute with process required\r
	204	if HeaderLength == None:\r
	205	Attribute.append('PROCESSING_REQUIRED')\r
	206	\r
	207	FileHandleIn.close()\r
	208	FileHandleOut.close()\r
	209	\r
	210	if FirstCall and 'PROCESSING_REQUIRED' in Attribute:\r
	211	# Guided data by -z option on first call is the process required data. Call the guided tool with the real option.\r
	212	GenFdsGlobalVariable.GuidTool(TempFile, [DummyFile], ExternalTool, CmdOption)\r
	213	\r
	214	#\r
	215	# Call Gensection Add Section Header\r
	216	#\r
	217	if self.ProcessRequired in ("TRUE", "1"):\r
	218	if 'PROCESSING_REQUIRED' not in Attribute:\r
	219	Attribute.append('PROCESSING_REQUIRED')\r
	220	HeaderLength = None\r
	221	if self.AuthStatusValid in ("TRUE", "1"):\r
	222	Attribute.append('AUTH_STATUS_VALID')\r
30fdf114	223	GenFdsGlobalVariable.GenerateSection(OutputFile, [TempFile], Section.Section.SectionType['GUIDED'],\r
52302d4d	224	Guid=self.NameGuid, GuidAttr=Attribute, GuidHdrLen=HeaderLength)\r
30fdf114 LG	225	OutputFileList = []\r
30fdf114 LG	226	OutputFileList.append(OutputFile)\r
52302d4d LG	227	if 'PROCESSING_REQUIRED' in Attribute:\r
	228	# reset guided section alignment to none for the processed required guided data\r
	229	self.Alignment = None\r
	230	self.IncludeFvSection = False\r
	231	self.ProcessRequired = "TRUE"\r
30fdf114 LG	232	return OutputFileList, self.Alignment\r
	233	\r
	234	## __FindExtendTool()\r
	235	#\r
	236	# Find location of tools to process section data\r
	237	#\r
	238	# @param self The object pointer\r
	239	#\r
	240	def __FindExtendTool__(self):\r
	241	# if user not specify filter, try to deduce it from global data.\r
	242	if self.KeyStringList == None or self.KeyStringList == []:\r
	243	Target = GenFdsGlobalVariable.TargetName\r
	244	ToolChain = GenFdsGlobalVariable.ToolChainTag\r
	245	ToolDb = ToolDefClassObject.ToolDefDict(GenFdsGlobalVariable.WorkSpaceDir).ToolsDefTxtDatabase\r
	246	if ToolChain not in ToolDb['TOOL_CHAIN_TAG']:\r
	247	EdkLogger.error("GenFds", GENFDS_ERROR, "Can not find external tool because tool tag %s is not defined in tools_def.txt!" % ToolChain)\r
	248	self.KeyStringList = [Target+'_'+ToolChain+'_'+self.CurrentArchList[0]]\r
	249	for Arch in self.CurrentArchList:\r
	250	if Target+'_'+ToolChain+'_'+Arch not in self.KeyStringList:\r
	251	self.KeyStringList.append(Target+'_'+ToolChain+'_'+Arch)\r
	252	\r
	253	ToolDefinition = ToolDefClassObject.ToolDefDict(GenFdsGlobalVariable.WorkSpaceDir).ToolsDefTxtDictionary\r
	254	ToolPathTmp = None\r
	255	for ToolDef in ToolDefinition.items():\r
	256	if self.NameGuid == ToolDef[1]:\r
	257	KeyList = ToolDef[0].split('_')\r
	258	Key = KeyList[0] + \\r
	259	'_' + \\r
	260	KeyList[1] + \\r
	261	'_' + \\r
	262	KeyList[2]\r
	263	if Key in self.KeyStringList and KeyList[4] == 'GUID':\r
	264	\r
	265	ToolPath = ToolDefinition.get( Key + \\r
	266	'_' + \\r
	267	KeyList[3] + \\r
	268	'_' + \\r
	269	'PATH')\r
52302d4d LG	270	\r
	271	ToolOption = ToolDefinition.get( Key + \\r
	272	'_' + \\r
	273	KeyList[3] + \\r
	274	'_' + \\r
	275	'FLAGS')\r
30fdf114 LG	276	if ToolPathTmp == None:\r
	277	ToolPathTmp = ToolPath\r
	278	else:\r
	279	if ToolPathTmp != ToolPath:\r
	280	EdkLogger.error("GenFds", GENFDS_ERROR, "Don't know which tool to use, %s or %s ?" % (ToolPathTmp, ToolPath))\r
	281	\r
	282	\r
52302d4d	283	return ToolPathTmp, ToolOption\r
30fdf114 LG	284	\r
	285	\r
	286	\r