Add IntelFspPkg to support create FSP bin based on EDKII.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed off by: Ravi Rangarajan <ravi.p.rangarajan@intel.com> Reviewed by: Maurice Ma <maurice.ma@intel.com> Reviewed by: Jiewen Yao <jiewen.yao@intel.com> Reviewed by: Giri Mudusuru <giri.p.mudusuru@intel.com> Reviewed by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15705 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jyao1
jyao1
567
IntelFspPkg/Tools/PatchFv.py
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567
IntelFspPkg/Tools/PatchFv.py
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## @ PatchFv.py
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#
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# Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials are licensed and made available under
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# the terms and conditions of the BSD License that accompanies this distribution.
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# 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 os
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import re
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import sys
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def readDataFromFile (binfile, offset, len=1):
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fd = open(binfile, "r+b")
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fsize = os.path.getsize(binfile)
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offval = offset & 0xFFFFFFFF
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if (offval & 0x80000000):
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offval = fsize - (0xFFFFFFFF - offval + 1)
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fd.seek(offval)
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bytearray = [ord(b) for b in fd.read(len)]
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value = 0;
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idx = len - 1;
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while idx >= 0:
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value = value << 8 | bytearray[idx]
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idx = idx - 1
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fd.close()
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return value
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def patchDataInFile (binfile, offset, value, len=1):
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fd = open(binfile, "r+b")
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fsize = os.path.getsize(binfile)
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offval = offset & 0xFFFFFFFF
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if (offval & 0x80000000):
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offval = fsize - (0xFFFFFFFF - offval + 1)
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bytearray = []
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idx = 0;
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while idx < len:
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bytearray.append(value & 0xFF)
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value = value >> 8
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idx = idx + 1
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fd.seek(offval)
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fd.write("".join(chr(b) for b in bytearray))
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fd.close()
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return len;
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class Symbols:
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def __init__(self):
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self.dictSymbolAddress = {}
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self.dictGuidNameXref = {}
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self.dictFfsOffset = {}
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self.dictVariable = {}
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self.dictModBase = {}
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self.fdFile = None
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self.string = ""
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self.fdBase = 0xFFFFFFFF
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self.fdSize = 0
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self.index = 0
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self.parenthesisOpenSet = '([{<'
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self.parenthesisCloseSet = ')]}>'
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def getFdFile (self):
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return self.fdFile
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def getFdSize (self):
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return self.fdSize
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def createDicts (self, fvDir, fvNames):
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if not os.path.isdir(fvDir):
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raise Exception ("'%s' is not a valid directory!" % FvDir)
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xrefFile = os.path.join(fvDir, "Guid.xref")
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if not os.path.exists(xrefFile):
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raise Exception("Cannot open GUID Xref file '%s'!" % xrefFile)
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self.dictGuidNameXref = {}
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self.parseGuidXrefFile(xrefFile)
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fvList = fvNames.split(":")
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fdBase = fvList.pop()
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if len(fvList) == 0:
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fvList.append(fdBase)
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fdFile = os.path.join(fvDir, fdBase.strip() + ".fd")
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if not os.path.exists(fdFile):
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raise Exception("Cannot open FD file '%s'!" % fdFile)
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self.fdFile = fdFile
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self.fdSize = os.path.getsize(fdFile)
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infFile = os.path.join(fvDir, fvList[0].strip()) + ".inf"
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if not os.path.exists(infFile):
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raise Exception("Cannot open INF file '%s'!" % infFile)
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self.parseInfFile(infFile)
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self.dictVariable = {}
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self.dictVariable["FDSIZE"] = self.fdSize
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self.dictVariable["FDBASE"] = self.fdBase
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self.dictSymbolAddress = {}
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self.dictFfsOffset = {}
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for file in fvList:
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fvFile = os.path.join(fvDir, file.strip()) + ".Fv"
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mapFile = fvFile + ".map"
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if not os.path.exists(mapFile):
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raise Exception("Cannot open MAP file '%s'!" % mapFile)
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self.parseFvMapFile(mapFile)
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fvTxtFile = fvFile + ".txt"
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if not os.path.exists(fvTxtFile):
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raise Exception("Cannot open FV TXT file '%s'!" % fvTxtFile)
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self.parseFvTxtFile(fvTxtFile)
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ffsDir = os.path.join(fvDir, "Ffs")
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if (os.path.isdir(ffsDir)):
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for item in os.listdir(ffsDir):
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if len(item) <= 0x24:
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continue
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mapFile =os.path.join(ffsDir, item, "%s.map" % item[0:0x24])
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if not os.path.exists(mapFile):
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continue
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self.parseModMapFile(item[0x24:], mapFile)
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return 0
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def getFvOffsetInFd(self, fvFile):
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fvHandle = open(fvFile, "r+b")
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fdHandle = open(self.fdFile, "r+b")
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offset = fdHandle.read().find(fvHandle.read(0x70))
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fvHandle.close()
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fdHandle.close()
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if offset == -1:
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raise Exception("Could not locate FV file %s in FD!" % fvFile)
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return offset
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def parseInfFile(self, infFile):
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fvOffset = self.getFvOffsetInFd(infFile[0:-4] + ".Fv")
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fdIn = open(infFile, "r")
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rptLine = fdIn.readline()
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self.fdBase = 0xFFFFFFFF
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while (rptLine != "" ):
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#EFI_BASE_ADDRESS = 0xFFFDF400
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match = re.match("^EFI_BASE_ADDRESS\s*=\s*(0x[a-fA-F0-9]+)", rptLine)
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if match is not None:
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self.fdBase = int(match.group(1), 16) - fvOffset
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rptLine = fdIn.readline()
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fdIn.close()
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if self.fdBase == 0xFFFFFFFF:
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raise Exception("Could not find EFI_BASE_ADDRESS in INF file!" % fvFile)
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return 0
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def parseFvTxtFile(self, fvTxtFile):
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fvOffset = self.getFvOffsetInFd(fvTxtFile[0:-4])
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fdIn = open(fvTxtFile, "r")
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rptLine = fdIn.readline()
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while (rptLine != "" ):
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match = re.match("(0x[a-fA-F0-9]+)\s([0-9a-fA-F\-]+)", rptLine)
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if match is not None:
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self.dictFfsOffset[match.group(2)] = "0x%08X" % (int(match.group(1), 16) + fvOffset)
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rptLine = fdIn.readline()
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fdIn.close()
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return 0
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def parseFvMapFile(self, mapFile):
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fdIn = open(mapFile, "r")
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rptLine = fdIn.readline()
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modName = ""
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while (rptLine != "" ):
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if rptLine[0] != ' ':
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#DxeIpl (Fixed Flash Address, BaseAddress=0x00fffb4310, EntryPoint=0x00fffb4958)
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#(GUID=86D70125-BAA3-4296-A62F-602BEBBB9081 .textbaseaddress=0x00fffb4398 .databaseaddress=0x00fffb4178)
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match = re.match("([_a-zA-Z0-9\-]+)\s\(.+BaseAddress=(0x[0-9a-fA-F]+),\s+EntryPoint=(0x[0-9a-fA-F]+)\)", rptLine)
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if match is not None:
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modName = match.group(1)
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if len(modName) == 36:
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modName = self.dictGuidNameXref[modName.upper()]
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self.dictModBase['%s:BASE' % modName] = int (match.group(2), 16)
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self.dictModBase['%s:ENTRY' % modName] = int (match.group(3), 16)
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match = re.match("\(GUID=([A-Z0-9\-]+)\s+\.textbaseaddress=(0x[0-9a-fA-F]+)\s+\.databaseaddress=(0x[0-9a-fA-F]+)\)", rptLine)
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if match is not None:
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modName = match.group(1)
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if len(modName) == 36:
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modName = self.dictGuidNameXref[modName.upper()]
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self.dictModBase['%s:TEXT' % modName] = int (match.group(2), 16)
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self.dictModBase['%s:DATA' % modName] = int (match.group(3), 16)
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else:
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# 0x00fff8016c __ModuleEntryPoint
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match = re.match("^\s+(0x[a-z0-9]+)\s+([_a-zA-Z0-9]+)", rptLine)
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if match is not None:
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self.dictSymbolAddress["%s:%s"%(modName, match.group(2))] = match.group(1)
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rptLine = fdIn.readline()
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fdIn.close()
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return 0
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def parseModMapFile(self, moduleName, mapFile):
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modSymbols = {}
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fdIn = open(mapFile, "r")
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reportLine = fdIn.readline()
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if reportLine.strip().find("Archive member included because of file (symbol)") != -1:
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#GCC
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# 0x0000000000001d55 IoRead8
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patchMapFileMatchString = "\s+(0x[0-9a-fA-F]{16})\s+([^\s][^0x][_a-zA-Z0-9\-]+)\s"
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matchKeyGroupIndex = 2
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matchSymbolGroupIndex = 1
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moduleEntryPoint = "_ModuleEntryPoint"
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else:
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#MSFT
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#0003:00000190 _gComBase 00007a50 SerialPo
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patchMapFileMatchString = "^\s[0-9a-fA-F]{4}:[0-9a-fA-F]{8}\s+(\w+)\s+([0-9a-fA-F]{8}\s+)"
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matchKeyGroupIndex = 1
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matchSymbolGroupIndex = 2
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moduleEntryPoint = "__ModuleEntryPoint"
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while (reportLine != "" ):
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match = re.match(patchMapFileMatchString, reportLine)
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if match is not None:
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modSymbols[match.group(matchKeyGroupIndex)] = match.group(matchSymbolGroupIndex)
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reportLine = fdIn.readline()
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fdIn.close()
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if not moduleEntryPoint in modSymbols:
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return 1
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modEntry = '%s:%s' % (moduleName,moduleEntryPoint)
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if not modEntry in self.dictSymbolAddress:
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modKey = '%s:ENTRY' % moduleName
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if modKey in self.dictModBase:
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baseOffset = self.dictModBase['%s:ENTRY' % moduleName] - int(modSymbols[moduleEntryPoint], 16)
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else:
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return 2
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else:
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baseOffset = int(self.dictSymbolAddress[modEntry], 16) - int(modSymbols[moduleEntryPoint], 16)
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for symbol in modSymbols:
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fullSym = "%s:%s" % (moduleName, symbol)
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if not fullSym in self.dictSymbolAddress:
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self.dictSymbolAddress[fullSym] = "0x00%08x" % (baseOffset+ int(modSymbols[symbol], 16))
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return 0
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def parseGuidXrefFile(self, xrefFile):
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fdIn = open(xrefFile, "r")
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rptLine = fdIn.readline()
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while (rptLine != "" ):
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match = re.match("([0-9a-fA-F\-]+)\s([_a-zA-Z0-9]+)", rptLine)
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if match is not None:
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self.dictGuidNameXref[match.group(1).upper()] = match.group(2)
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rptLine = fdIn.readline()
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fdIn.close()
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return 0
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def getCurr(self):
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try:
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return self.string[self.index]
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except Exception:
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return ''
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def isLast(self):
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return self.index == len(self.string)
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def moveNext(self):
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self.index += 1
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def skipSpace(self):
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while not self.isLast():
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if self.getCurr() in ' \t':
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self.moveNext()
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else:
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return
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def parseValue(self):
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self.skipSpace()
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var = ''
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while not self.isLast():
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char = self.getCurr()
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if char.lower() in '_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789:-':
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var += char
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self.moveNext()
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else:
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break
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if ':' in var:
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partList = var.split(':')
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if len(partList) != 2:
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raise Exception("Unrecognized expression %s" % var)
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modName = partList[0]
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modOff = partList[1]
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if ('-' not in modName) and (modOff[0] in '0123456789'):
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# MOD: OFFSET
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var = self.getModGuid(modName) + ":" + modOff
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if '-' in var: # GUID:OFFSET
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value = self.getGuidOff(var)
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else:
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value = self.getSymbols(var)
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self.synUsed = True
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else:
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if var[0] in '0123456789':
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value = self.getNumber(var)
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else:
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value = self.getVariable(var)
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return int(value)
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def parseSingleOp(self):
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self.skipSpace()
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char = self.getCurr()
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if char == '~':
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self.moveNext()
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return ~self.parseBrace()
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else:
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return self.parseValue()
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def parseBrace(self):
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self.skipSpace()
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char = self.getCurr()
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parenthesisType = self.parenthesisOpenSet.find(char)
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if parenthesisType >= 0:
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self.moveNext()
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value = self.parseExpr()
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self.skipSpace()
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if self.getCurr() != self.parenthesisCloseSet[parenthesisType]:
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raise Exception("No closing brace")
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self.moveNext()
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if parenthesisType == 1: # [ : Get content
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value = self.getContent(value)
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elif parenthesisType == 2: # { : To address
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value = self.toAddress(value)
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elif parenthesisType == 3: # < : To offset
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value = self.toOffset(value)
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return value
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else:
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return self.parseSingleOp()
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def parseMul(self):
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values = [self.parseBrace()]
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while True:
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self.skipSpace()
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char = self.getCurr()
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if char == '*':
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self.moveNext()
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values.append(self.parseBrace())
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else:
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break
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value = 1;
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for each in values:
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value *= each
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return value
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def parseAndOr(self):
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values = [self.parseMul()]
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op = None
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value = 0xFFFFFFFF;
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while True:
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self.skipSpace()
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char = self.getCurr()
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if char == '&':
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self.moveNext()
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values.append(self.parseMul())
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op = char
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elif char == '|':
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div_index = self.index
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self.moveNext()
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values.append(self.parseMul())
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value = 0
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op = char
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else:
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break
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for each in values:
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if op == '|':
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value |= each
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else:
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value &= each
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return value
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def parseAddMinus(self):
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values = [self.parseAndOr()]
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while True:
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self.skipSpace()
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char = self.getCurr()
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if char == '+':
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self.moveNext()
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values.append(self.parseAndOr())
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elif char == '-':
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self.moveNext()
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values.append(-1 * self.parseAndOr())
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else:
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break
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return sum(values)
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def parseExpr(self):
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return self.parseAddMinus()
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def getResult(self):
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value = self.parseExpr()
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self.skipSpace()
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if not self.isLast():
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raise Exception("Unexpected character found '%s'" % self.getCurr())
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return value
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def getModGuid(self, var):
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guid = (guid for guid,name in self.dictGuidNameXref.items() if name==var)
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try:
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value = guid.next()
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except Exception:
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raise Exception("Unknown module name %s !" % var)
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return value
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def getVariable(self, var):
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value = self.dictVariable.get(var, None)
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if value == None:
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raise Exception("Unrecognized variable '%s'" % var)
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return value
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def getNumber(self, var):
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var = var.strip()
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if var.startswith('0x'): # HEX
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value = int(var, 16)
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else:
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value = int(var, 10)
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return value
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def getContent(self, value):
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if (value >= self.fdBase) and (value < self.fdBase + self.fdSize):
|
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value = value - self.fdBase
|
||||
if value >= self.fdSize:
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raise Exception("Invalid file offset 0x%08x !" % value)
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return readDataFromFile (self.fdFile, value, 4)
|
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def toAddress(self, value):
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if value < self.fdSize:
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value = value + self.fdBase
|
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return value
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||||
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def toOffset(self, value):
|
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if value > self.fdBase:
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value = value - self.fdBase
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return value
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||||
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||||
def getGuidOff(self, value):
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# GUID:Offset
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||||
symbolName = value.split(':')
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||||
if len(symbolName) == 2 and self.dictFfsOffset.has_key(symbolName[0]):
|
||||
value = (int(self.dictFfsOffset[symbolName[0]], 16) + int(symbolName[1], 16)) & 0xFFFFFFFF
|
||||
else:
|
||||
raise Exception("Unknown GUID %s !" % value)
|
||||
return value
|
||||
|
||||
def getSymbols(self, value):
|
||||
if self.dictSymbolAddress.has_key(value):
|
||||
# Module:Function
|
||||
ret = int (self.dictSymbolAddress[value], 16)
|
||||
else:
|
||||
raise Exception("Unknown symbol %s !" % value)
|
||||
return ret
|
||||
|
||||
def evaluate(self, expression, isOffset):
|
||||
self.index = 0
|
||||
self.synUsed = False
|
||||
self.string = expression
|
||||
value = self.getResult()
|
||||
if isOffset:
|
||||
if self.synUsed:
|
||||
# Consider it as an address first
|
||||
if (value >= self.fdBase) and (value < self.fdBase + self.fdSize):
|
||||
value = value - self.fdBase
|
||||
if value & 0x80000000:
|
||||
# Consider it as a negative offset next
|
||||
offset = (~value & 0xFFFFFFFF) + 1
|
||||
if offset < self.fdSize:
|
||||
value = self.fdSize - offset
|
||||
if value >= self.fdSize:
|
||||
raise Exception("Invalid offset expression !")
|
||||
return value & 0xFFFFFFFF
|
||||
|
||||
def usage():
|
||||
print "Usage: \n\tPatchFv FvBuildDir [FvFileBaseNames:]FdFileBaseNameToPatch \"Offset, Value\""
|
||||
|
||||
def main():
|
||||
#
|
||||
# Parse the options and args
|
||||
#
|
||||
symTables = Symbols()
|
||||
|
||||
if len(sys.argv) < 4:
|
||||
Usage()
|
||||
return 1
|
||||
|
||||
if symTables.createDicts(sys.argv[1], sys.argv[2]) != 0:
|
||||
print "ERROR: Failed to create symbol dictionary!!"
|
||||
return 2
|
||||
|
||||
fdFile = symTables.getFdFile()
|
||||
fdSize = symTables.getFdSize()
|
||||
|
||||
try:
|
||||
comment = ""
|
||||
for fvFile in sys.argv[3:]:
|
||||
items = fvFile.split(",")
|
||||
if len (items) < 2:
|
||||
raise Exception("Expect more arguments for '%s'!" % fvFile)
|
||||
|
||||
comment = ""
|
||||
command = ""
|
||||
params = []
|
||||
for item in items:
|
||||
item = item.strip()
|
||||
if item.startswith("@"):
|
||||
comment = item[1:]
|
||||
elif item.startswith("$"):
|
||||
command = item[1:]
|
||||
else:
|
||||
if len(params) == 0:
|
||||
isOffset = True
|
||||
else :
|
||||
isOffset = False
|
||||
params.append (symTables.evaluate(item, isOffset))
|
||||
|
||||
if command == "":
|
||||
# Patch a DWORD
|
||||
if len (params) == 2:
|
||||
offset = params[0]
|
||||
value = params[1]
|
||||
oldvalue = readDataFromFile(fdFile, offset, 4)
|
||||
ret = patchDataInFile (fdFile, offset, value, 4) - 4
|
||||
else:
|
||||
raise Exception ("Patch command needs 2 parameters !")
|
||||
|
||||
if ret:
|
||||
raise Exception ("Patch failed for offset 0x%08X" % offset)
|
||||
else:
|
||||
print "Patched offset 0x%08X:[%08X] with value 0x%08X # %s" % (offset, oldvalue, value, comment)
|
||||
|
||||
elif command == "COPY":
|
||||
# Copy binary block from source to destination
|
||||
if len (params) == 3:
|
||||
src = symTables.toOffset(params[0])
|
||||
dest = symTables.toOffset(params[1])
|
||||
clen = symTables.toOffset(params[2])
|
||||
if (dest + clen <= fdSize) and (src + clen <= fdSize):
|
||||
oldvalue = readDataFromFile(fdFile, src, clen)
|
||||
ret = patchDataInFile (fdFile, dest, oldvalue, clen) - clen
|
||||
else:
|
||||
raise Exception ("Copy command OFFSET or LENGTH parameter is invalid !")
|
||||
else:
|
||||
raise Exception ("Copy command needs 3 parameters !")
|
||||
|
||||
if ret:
|
||||
raise Exception ("Copy failed from offset 0x%08X to offset 0x%08X!" % (src, dest))
|
||||
else :
|
||||
print "Copied %d bytes from offset 0x%08X ~ offset 0x%08X # %s" % (clen, src, dest, comment)
|
||||
else:
|
||||
raise Exception ("Unknown command %s!" % command)
|
||||
return 0
|
||||
|
||||
except Exception as (ex):
|
||||
print "ERROR: %s" % ex
|
||||
return 1
|
||||
|
||||
if __name__ == '__main__':
|
||||
sys.exit(main())
|
||||
Reference in New Issue
Block a user