diff options
Diffstat (limited to 'IntelFspPkg/Tools/PatchFv.py')
| -rw-r--r-- | IntelFspPkg/Tools/PatchFv.py | 905 |
1 files changed, 0 insertions, 905 deletions
diff --git a/IntelFspPkg/Tools/PatchFv.py b/IntelFspPkg/Tools/PatchFv.py deleted file mode 100644 index 61ded7f2d3..0000000000 --- a/IntelFspPkg/Tools/PatchFv.py +++ /dev/null @@ -1,905 +0,0 @@ -## @ PatchFv.py
-#
-# Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
-# SPDX-License-Identifier: BSD-2-Clause-Patent
-#
-##
-
-import os
-import re
-import sys
-
-#
-# Read data from file
-#
-# param [in] binfile Binary file
-# param [in] offset Offset
-# param [in] len Length
-#
-# retval value Value
-#
-def readDataFromFile (binfile, offset, len=1):
- fd = open(binfile, "r+b")
- fsize = os.path.getsize(binfile)
- offval = offset & 0xFFFFFFFF
- if (offval & 0x80000000):
- offval = fsize - (0xFFFFFFFF - offval + 1)
- fd.seek(offval)
- bytearray = [ord(b) for b in fd.read(len)]
- value = 0
- idx = len - 1
- while idx >= 0:
- value = value << 8 | bytearray[idx]
- idx = idx - 1
- fd.close()
- return value
-
-#
-# Check FSP header is valid or not
-#
-# param [in] binfile Binary file
-#
-# retval boolean True: valid; False: invalid
-#
-def IsFspHeaderValid (binfile):
- fd = open (binfile, "rb")
- bindat = fd.read(0x200) # only read first 0x200 bytes
- fd.close()
- HeaderList = ['FSPH' , 'FSPP' , 'FSPE'] # Check 'FSPH', 'FSPP', and 'FSPE' in the FSP header
- OffsetList = []
- for each in HeaderList:
- if each in bindat:
- idx = bindat.index(each)
- else:
- idx = 0
- OffsetList.append(idx)
- if not OffsetList[0] or not OffsetList[1]: # If 'FSPH' or 'FSPP' is missing, it will return false
- return False
- Revision = ord(bindat[OffsetList[0] + 0x0B])
- #
- # if revision is bigger than 1, it means it is FSP v1.1 or greater revision, which must contain 'FSPE'.
- #
- if Revision > 1 and not OffsetList[2]:
- return False # If FSP v1.1 or greater without 'FSPE', then return false
- return True
-
-#
-# Patch data in file
-#
-# param [in] binfile Binary file
-# param [in] offset Offset
-# param [in] value Patch value
-# param [in] len Length
-#
-# retval len Length
-#
-def patchDataInFile (binfile, offset, value, len=1):
- fd = open(binfile, "r+b")
- fsize = os.path.getsize(binfile)
- offval = offset & 0xFFFFFFFF
- if (offval & 0x80000000):
- offval = fsize - (0xFFFFFFFF - offval + 1)
- bytearray = []
- idx = 0
- while idx < len:
- bytearray.append(value & 0xFF)
- value = value >> 8
- idx = idx + 1
- fd.seek(offval)
- fd.write("".join(chr(b) for b in bytearray))
- fd.close()
- return len
-
-
-class Symbols:
- def __init__(self):
- self.dictSymbolAddress = {}
- self.dictGuidNameXref = {}
- self.dictFfsOffset = {}
- self.dictVariable = {}
- self.dictModBase = {}
- self.fdFile = None
- self.string = ""
- self.fdBase = 0xFFFFFFFF
- self.fdSize = 0
- self.index = 0
- self.parenthesisOpenSet = '([{<'
- self.parenthesisCloseSet = ')]}>'
-
- #
- # Get FD file
- #
- # retval self.fdFile Retrieve FD file
- #
- def getFdFile (self):
- return self.fdFile
-
- #
- # Get FD size
- #
- # retval self.fdSize Retrieve the size of FD file
- #
- def getFdSize (self):
- return self.fdSize
-
- #
- # Create dictionaries
- #
- # param [in] fvDir FV's directory
- # param [in] fvNames All FV's names
- #
- # retval 0 Created dictionaries successfully
- #
- def createDicts (self, fvDir, fvNames):
- #
- # If the fvDir is not a dirctory, then raise an exception
- #
- if not os.path.isdir(fvDir):
- raise Exception ("'%s' is not a valid directory!" % FvDir)
-
- #
- # If the Guid.xref is not existing in fvDir, then raise an exception
- #
- xrefFile = os.path.join(fvDir, "Guid.xref")
- if not os.path.exists(xrefFile):
- raise Exception("Cannot open GUID Xref file '%s'!" % xrefFile)
-
- #
- # Add GUID reference to dictionary
- #
- self.dictGuidNameXref = {}
- self.parseGuidXrefFile(xrefFile)
-
- #
- # Split up each FV from fvNames and get the fdBase
- #
- fvList = fvNames.split(":")
- fdBase = fvList.pop()
- if len(fvList) == 0:
- fvList.append(fdBase)
-
- #
- # If the FD file is not existing, then raise an exception
- #
- fdFile = os.path.join(fvDir, fdBase.strip() + ".fd")
- if not os.path.exists(fdFile):
- raise Exception("Cannot open FD file '%s'!" % fdFile)
-
- #
- # Get the size of the FD file
- #
- self.fdFile = fdFile
- self.fdSize = os.path.getsize(fdFile)
-
- #
- # If the INF file, which is the first element of fvList, is not existing, then raise an exception
- #
- infFile = os.path.join(fvDir, fvList[0].strip()) + ".inf"
- if not os.path.exists(infFile):
- raise Exception("Cannot open INF file '%s'!" % infFile)
-
- #
- # Parse INF file in order to get fdBase and then assign those values to dictVariable
- #
- self.parseInfFile(infFile)
- self.dictVariable = {}
- self.dictVariable["FDSIZE"] = self.fdSize
- self.dictVariable["FDBASE"] = self.fdBase
-
- #
- # Collect information from FV MAP file and FV TXT file then
- # put them into dictionaries
- #
- self.dictSymbolAddress = {}
- self.dictFfsOffset = {}
- for file in fvList:
-
- #
- # If the .Fv.map file is not existing, then raise an exception.
- # Otherwise, parse FV MAP file
- #
- fvFile = os.path.join(fvDir, file.strip()) + ".Fv"
- mapFile = fvFile + ".map"
- if not os.path.exists(mapFile):
- raise Exception("Cannot open MAP file '%s'!" % mapFile)
-
- self.parseFvMapFile(mapFile)
-
- #
- # If the .Fv.txt file is not existing, then raise an exception.
- # Otherwise, parse FV TXT file
- #
- fvTxtFile = fvFile + ".txt"
- if not os.path.exists(fvTxtFile):
- raise Exception("Cannot open FV TXT file '%s'!" % fvTxtFile)
-
- self.parseFvTxtFile(fvTxtFile)
-
- #
- # Search all MAP files in FFS directory if it exists then parse MOD MAP file
- #
- ffsDir = os.path.join(fvDir, "Ffs")
- if (os.path.isdir(ffsDir)):
- for item in os.listdir(ffsDir):
- if len(item) <= 0x24:
- continue
- mapFile =os.path.join(ffsDir, item, "%s.map" % item[0:0x24])
- if not os.path.exists(mapFile):
- continue
- self.parseModMapFile(item[0x24:], mapFile)
-
- return 0
-
- #
- # Get FV offset in FD file
- #
- # param [in] fvFile FV file
- #
- # retval offset Got FV offset successfully
- #
- def getFvOffsetInFd(self, fvFile):
- #
- # Check if the first 0x70 bytes of fvFile can be found in fdFile
- #
- fvHandle = open(fvFile, "r+b")
- fdHandle = open(self.fdFile, "r+b")
- offset = fdHandle.read().find(fvHandle.read(0x70))
- fvHandle.close()
- fdHandle.close()
- if offset == -1:
- raise Exception("Could not locate FV file %s in FD!" % fvFile)
- return offset
-
- #
- # Parse INF file
- #
- # param [in] infFile INF file
- #
- # retval 0 Parsed INF file successfully
- #
- def parseInfFile(self, infFile):
- #
- # Get FV offset and search EFI_BASE_ADDRESS in the FD file
- # then assign the value of EFI_BASE_ADDRESS to fdBase
- #
- fvOffset = self.getFvOffsetInFd(infFile[0:-4] + ".Fv")
- fdIn = open(infFile, "r")
- rptLine = fdIn.readline()
- self.fdBase = 0xFFFFFFFF
- while (rptLine != "" ):
- #EFI_BASE_ADDRESS = 0xFFFDF400
- match = re.match("^EFI_BASE_ADDRESS\s*=\s*(0x[a-fA-F0-9]+)", rptLine)
- if match is not None:
- self.fdBase = int(match.group(1), 16) - fvOffset
- rptLine = fdIn.readline()
- fdIn.close()
- if self.fdBase == 0xFFFFFFFF:
- raise Exception("Could not find EFI_BASE_ADDRESS in INF file!" % fvFile)
- return 0
-
- #
- # Parse FV TXT file
- #
- # param [in] fvTxtFile .Fv.txt file
- #
- # retval 0 Parsed FV TXT file successfully
- #
- def parseFvTxtFile(self, fvTxtFile):
- #
- # Get information from .Fv.txt in order to create a dictionary
- # For example,
- # self.dictFfsOffset[912740BE-2284-4734-B971-84B027353F0C] = 0x000D4078
- #
- fvOffset = self.getFvOffsetInFd(fvTxtFile[0:-4])
- fdIn = open(fvTxtFile, "r")
- rptLine = fdIn.readline()
- while (rptLine != "" ):
- match = re.match("(0x[a-fA-F0-9]+)\s([0-9a-fA-F\-]+)", rptLine)
- if match is not None:
- self.dictFfsOffset[match.group(2)] = "0x%08X" % (int(match.group(1), 16) + fvOffset)
- rptLine = fdIn.readline()
- fdIn.close()
- return 0
-
- #
- # Parse FV MAP file
- #
- # param [in] mapFile .Fv.map file
- #
- # retval 0 Parsed FV MAP file successfully
- #
- def parseFvMapFile(self, mapFile):
- #
- # Get information from .Fv.map in order to create dictionaries
- # For example,
- # self.dictModBase[FspSecCore:BASE] = 4294592776 (0xfffa4908)
- # self.dictModBase[FspSecCore:ENTRY] = 4294606552 (0xfffa7ed8)
- # self.dictModBase[FspSecCore:TEXT] = 4294593080 (0xfffa4a38)
- # self.dictModBase[FspSecCore:DATA] = 4294612280 (0xfffa9538)
- # self.dictSymbolAddress[FspSecCore:_SecStartup] = 0x00fffa4a38
- #
- fdIn = open(mapFile, "r")
- rptLine = fdIn.readline()
- modName = ""
- while (rptLine != "" ):
- if rptLine[0] != ' ':
- #DxeIpl (Fixed Flash Address, BaseAddress=0x00fffb4310, EntryPoint=0x00fffb4958)
- #(GUID=86D70125-BAA3-4296-A62F-602BEBBB9081 .textbaseaddress=0x00fffb4398 .databaseaddress=0x00fffb4178)
- match = re.match("([_a-zA-Z0-9\-]+)\s\(.+BaseAddress=(0x[0-9a-fA-F]+),\s+EntryPoint=(0x[0-9a-fA-F]+)\)", rptLine)
- if match is not None:
- modName = match.group(1)
- if len(modName) == 36:
- modName = self.dictGuidNameXref[modName.upper()]
- self.dictModBase['%s:BASE' % modName] = int (match.group(2), 16)
- self.dictModBase['%s:ENTRY' % modName] = int (match.group(3), 16)
- match = re.match("\(GUID=([A-Z0-9\-]+)\s+\.textbaseaddress=(0x[0-9a-fA-F]+)\s+\.databaseaddress=(0x[0-9a-fA-F]+)\)", rptLine)
- if match is not None:
- modName = match.group(1)
- if len(modName) == 36:
- modName = self.dictGuidNameXref[modName.upper()]
- self.dictModBase['%s:TEXT' % modName] = int (match.group(2), 16)
- self.dictModBase['%s:DATA' % modName] = int (match.group(3), 16)
- else:
- # 0x00fff8016c __ModuleEntryPoint
- match = re.match("^\s+(0x[a-z0-9]+)\s+([_a-zA-Z0-9]+)", rptLine)
- if match is not None:
- self.dictSymbolAddress["%s:%s"%(modName, match.group(2))] = match.group(1)
- rptLine = fdIn.readline()
- fdIn.close()
- return 0
-
- #
- # Parse MOD MAP file
- #
- # param [in] moduleName Module name
- # param [in] mapFile .Fv.map file
- #
- # retval 0 Parsed MOD MAP file successfully
- # retval 1 There is no moduleEntryPoint in modSymbols
- #
- def parseModMapFile(self, moduleName, mapFile):
- #
- # Get information from mapFile by moduleName in order to create a dictionary
- # For example,
- # self.dictSymbolAddress[FspSecCore:___guard_fids_count] = 0x00fffa4778
- #
- modSymbols = {}
- fdIn = open(mapFile, "r")
- reportLines = fdIn.readlines()
- fdIn.close()
-
- moduleEntryPoint = "__ModuleEntryPoint"
- reportLine = reportLines[0]
- if reportLine.strip().find("Archive member included") != -1:
- #GCC
- # 0x0000000000001d55 IoRead8
- patchMapFileMatchString = "\s+(0x[0-9a-fA-F]{16})\s+([^\s][^0x][_a-zA-Z0-9\-]+)\s"
- matchKeyGroupIndex = 2
- matchSymbolGroupIndex = 1
- prefix = '_'
- else:
- #MSFT
- #0003:00000190 _gComBase 00007a50 SerialPo
- patchMapFileMatchString = "^\s[0-9a-fA-F]{4}:[0-9a-fA-F]{8}\s+(\w+)\s+([0-9a-fA-F]{8}\s+)"
- matchKeyGroupIndex = 1
- matchSymbolGroupIndex = 2
- prefix = ''
-
- for reportLine in reportLines:
- match = re.match(patchMapFileMatchString, reportLine)
- if match is not None:
- modSymbols[prefix + match.group(matchKeyGroupIndex)] = match.group(matchSymbolGroupIndex)
-
- # Handle extra module patchable PCD variable in Linux map since it might have different format
- # .data._gPcd_BinaryPatch_PcdVpdBaseAddress
- # 0x0000000000003714 0x4 /tmp/ccmytayk.ltrans1.ltrans.o
- handleNext = False
- if matchSymbolGroupIndex == 1:
- for reportLine in reportLines:
- if handleNext:
- handleNext = False
- pcdName = match.group(1)
- match = re.match("\s+(0x[0-9a-fA-F]{16})\s+", reportLine)
- if match is not None:
- modSymbols[prefix + pcdName] = match.group(1)
- else:
- match = re.match("^\s\.data\.(_gPcd_BinaryPatch[_a-zA-Z0-9\-]+)", reportLine)
- if match is not None:
- handleNext = True
- continue
-
- if not moduleEntryPoint in modSymbols:
- return 1
-
- modEntry = '%s:%s' % (moduleName,moduleEntryPoint)
- if not modEntry in self.dictSymbolAddress:
- modKey = '%s:ENTRY' % moduleName
- if modKey in self.dictModBase:
- baseOffset = self.dictModBase['%s:ENTRY' % moduleName] - int(modSymbols[moduleEntryPoint], 16)
- else:
- return 2
- else:
- baseOffset = int(self.dictSymbolAddress[modEntry], 16) - int(modSymbols[moduleEntryPoint], 16)
- for symbol in modSymbols:
- fullSym = "%s:%s" % (moduleName, symbol)
- if not fullSym in self.dictSymbolAddress:
- self.dictSymbolAddress[fullSym] = "0x00%08x" % (baseOffset+ int(modSymbols[symbol], 16))
- return 0
-
- #
- # Parse Guid.xref file
- #
- # param [in] xrefFile the full directory of Guid.xref file
- #
- # retval 0 Parsed Guid.xref file successfully
- #
- def parseGuidXrefFile(self, xrefFile):
- #
- # Get information from Guid.xref in order to create a GuidNameXref dictionary
- # The dictGuidNameXref, for example, will be like
- # dictGuidNameXref [1BA0062E-C779-4582-8566-336AE8F78F09] = FspSecCore
- #
- fdIn = open(xrefFile, "r")
- rptLine = fdIn.readline()
- while (rptLine != "" ):
- match = re.match("([0-9a-fA-F\-]+)\s([_a-zA-Z0-9]+)", rptLine)
- if match is not None:
- self.dictGuidNameXref[match.group(1).upper()] = match.group(2)
- rptLine = fdIn.readline()
- fdIn.close()
- return 0
-
- #
- # Get current character
- #
- # retval elf.string[self.index]
- # retval '' Exception
- #
- def getCurr(self):
- try:
- return self.string[self.index]
- except Exception:
- return ''
-
- #
- # Check to see if it is last index
- #
- # retval self.index
- #
- def isLast(self):
- return self.index == len(self.string)
-
- #
- # Move to next index
- #
- def moveNext(self):
- self.index += 1
-
- #
- # Skip space
- #
- def skipSpace(self):
- while not self.isLast():
- if self.getCurr() in ' \t':
- self.moveNext()
- else:
- return
-
- #
- # Parse value
- #
- # retval value
- #
- def parseValue(self):
- self.skipSpace()
- var = ''
- while not self.isLast():
- char = self.getCurr()
- if char.lower() in '_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789:-':
- var += char
- self.moveNext()
- else:
- break
-
- if ':' in var:
- partList = var.split(':')
- if len(partList) != 2:
- raise Exception("Unrecognized expression %s" % var)
- modName = partList[0]
- modOff = partList[1]
- if ('-' not in modName) and (modOff[0] in '0123456789'):
- # MOD: OFFSET
- var = self.getModGuid(modName) + ":" + modOff
- if '-' in var: # GUID:OFFSET
- value = self.getGuidOff(var)
- else:
- value = self.getSymbols(var)
- self.synUsed = True
- else:
- if var[0] in '0123456789':
- value = self.getNumber(var)
- else:
- value = self.getVariable(var)
- return int(value)
-
- #
- # Parse single operation
- #
- # retval ~self.parseBrace() or self.parseValue()
- #
- def parseSingleOp(self):
- self.skipSpace()
- char = self.getCurr()
- if char == '~':
- self.moveNext()
- return ~self.parseBrace()
- else:
- return self.parseValue()
-
- #
- # Parse symbol of Brace([, {, <)
- #
- # retval value or self.parseSingleOp()
- #
- def parseBrace(self):
- self.skipSpace()
- char = self.getCurr()
- parenthesisType = self.parenthesisOpenSet.find(char)
- if parenthesisType >= 0:
- self.moveNext()
- value = self.parseExpr()
- self.skipSpace()
- if self.getCurr() != self.parenthesisCloseSet[parenthesisType]:
- raise Exception("No closing brace")
- self.moveNext()
- if parenthesisType == 1: # [ : Get content
- value = self.getContent(value)
- elif parenthesisType == 2: # { : To address
- value = self.toAddress(value)
- elif parenthesisType == 3: # < : To offset
- value = self.toOffset(value)
- return value
- else:
- return self.parseSingleOp()
-
- #
- # Parse symbol of Multiplier(*)
- #
- # retval value or self.parseSingleOp()
- #
- def parseMul(self):
- values = [self.parseBrace()]
- while True:
- self.skipSpace()
- char = self.getCurr()
- if char == '*':
- self.moveNext()
- values.append(self.parseBrace())
- else:
- break
- value = 1
- for each in values:
- value *= each
- return value
-
- #
- # Parse symbol of And(&) and Or(|)
- #
- # retval value
- #
- def parseAndOr(self):
- values = [self.parseMul()]
- op = None
- value = 0xFFFFFFFF
- while True:
- self.skipSpace()
- char = self.getCurr()
- if char == '&':
- self.moveNext()
- values.append(self.parseMul())
- op = char
- elif char == '|':
- div_index = self.index
- self.moveNext()
- values.append(self.parseMul())
- value = 0
- op = char
- else:
- break
-
- for each in values:
- if op == '|':
- value |= each
- else:
- value &= each
-
- return value
-
- #
- # Parse symbol of Add(+) and Minus(-)
- #
- # retval sum(values)
- #
- def parseAddMinus(self):
- values = [self.parseAndOr()]
- while True:
- self.skipSpace()
- char = self.getCurr()
- if char == '+':
- self.moveNext()
- values.append(self.parseAndOr())
- elif char == '-':
- self.moveNext()
- values.append(-1 * self.parseAndOr())
- else:
- break
- return sum(values)
-
- #
- # Parse expression
- #
- # retval self.parseAddMinus()
- #
- def parseExpr(self):
- return self.parseAddMinus()
-
- #
- # Get result
- #
- # retval value
- #
- def getResult(self):
- value = self.parseExpr()
- self.skipSpace()
- if not self.isLast():
- raise Exception("Unexpected character found '%s'" % self.getCurr())
- return value
-
- #
- # Get module GUID
- #
- # retval value
- #
- def getModGuid(self, var):
- guid = (guid for guid,name in self.dictGuidNameXref.items() if name==var)
- try:
- value = guid.next()
- except Exception:
- raise Exception("Unknown module name %s !" % var)
- return value
-
- #
- # Get variable
- #
- # retval value
- #
- def getVariable(self, var):
- value = self.dictVariable.get(var, None)
- if value == None:
- raise Exception("Unrecognized variable '%s'" % var)
- return value
-
- #
- # Get number
- #
- # retval value
- #
- def getNumber(self, var):
- var = var.strip()
- if var.startswith('0x'): # HEX
- value = int(var, 16)
- else:
- value = int(var, 10)
- return value
-
- #
- # Get content
- #
- # param [in] value
- #
- # retval value
- #
- def getContent(self, value):
- if (value >= self.fdBase) and (value < self.fdBase + self.fdSize):
- value = value - self.fdBase
- if value >= self.fdSize:
- raise Exception("Invalid file offset 0x%08x !" % value)
- return readDataFromFile (self.fdFile, value, 4)
-
- #
- # Change value to address
- #
- # param [in] value
- #
- # retval value
- #
- def toAddress(self, value):
- if value < self.fdSize:
- value = value + self.fdBase
- return value
-
- #
- # Change value to offset
- #
- # param [in] value
- #
- # retval value
- #
- def toOffset(self, value):
- if value > self.fdBase:
- value = value - self.fdBase
- return value
-
- #
- # Get GUID offset
- #
- # param [in] value
- #
- # retval value
- #
- def getGuidOff(self, value):
- # GUID:Offset
- symbolName = value.split(':')
- 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
-
- #
- # Get symbols
- #
- # param [in] value
- #
- # retval ret
- #
- 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
-
- #
- # Evaluate symbols
- #
- # param [in] expression
- # param [in] isOffset
- #
- # retval value & 0xFFFFFFFF
- #
- 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
-
-#
-# Print out the usage
-#
-def usage():
- print "Usage: \n\tPatchFv FvBuildDir [FvFileBaseNames:]FdFileBaseNameToPatch \"Offset, Value\""
-
-def main():
- #
- # Parse the options and args
- #
- symTables = Symbols()
-
- #
- # If the arguments are less than 4, then return an error.
- #
- if len(sys.argv) < 4:
- Usage()
- return 1
-
- #
- # If it fails to create dictionaries, then return an error.
- #
- if symTables.createDicts(sys.argv[1], sys.argv[2]) != 0:
- print "ERROR: Failed to create symbol dictionary!!"
- return 2
-
- #
- # Get FD file and size
- #
- fdFile = symTables.getFdFile()
- fdSize = symTables.getFdSize()
-
- try:
- #
- # Check to see if FSP header is valid
- #
- ret = IsFspHeaderValid(fdFile)
- if ret == False:
- raise Exception ("The FSP header is not valid. Stop patching FD.")
- comment = ""
- for fvFile in sys.argv[3:]:
- #
- # Check to see if it has enough arguments
- #
- 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
- #
- # Parse symbols then append it to params
- #
- params.append (symTables.evaluate(item, isOffset))
-
- #
- # Patch a new value into FD file if it is not a command
- #
- 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())
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