mirror of https://github.com/acidanthera/audk.git
Handle extra module patchable PCD variable in Linux map.
Add comment for python function, too. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com> Reviewed-by: "Mudusuru, Giri P" <giri.p.mudusuru@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18406 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Yao, Jiewen
jyao1
parent
a921cd16e6
commit
fb9819f13d
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@ -15,6 +15,15 @@ import os
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import re
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import sys
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#
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# Read data from file
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#
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# param [in] binfile Binary file
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# param [in] offset Offset
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# param [in] len Length
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#
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# retval value Value
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#
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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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@ -31,11 +40,18 @@ def readDataFromFile (binfile, offset, len=1):
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fd.close()
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return value
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#
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# Check FSP header is valid or not
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#
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# param [in] binfile Binary file
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#
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# retval boolean True: valid; False: invalid
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#
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def IsFspHeaderValid (binfile):
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fd = open (binfile, "rb")
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bindat = fd.read(0x200)
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bindat = fd.read(0x200) # only read first 0x200 bytes
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fd.close()
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HeaderList = ['FSPH' , 'FSPP' , 'FSPE']
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HeaderList = ['FSPH' , 'FSPP' , 'FSPE'] # Check 'FSPH', 'FSPP', and 'FSPE' in the FSP header
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OffsetList = []
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for each in HeaderList:
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if each in bindat:
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@ -43,13 +59,26 @@ def IsFspHeaderValid (binfile):
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else:
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idx = 0
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OffsetList.append(idx)
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if not OffsetList[0] or not OffsetList[1]:
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if not OffsetList[0] or not OffsetList[1]: # If 'FSPH' or 'FSPP' is missing, it will return false
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return False
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Revision = ord(bindat[OffsetList[0] + 0x0B])
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#
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# if revision is bigger than 1, it means it is FSP v1.1 or greater revision, which must contain 'FSPE'.
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#
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if Revision > 1 and not OffsetList[2]:
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return False
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return False # If FSP v1.1 or greater without 'FSPE', then return false
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return True
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#
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# Patch data in file
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#
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# param [in] binfile Binary file
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# param [in] offset Offset
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# param [in] value Patch value
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# param [in] len Length
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#
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# retval len Length
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#
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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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@ -83,49 +112,98 @@ class Symbols:
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self.parenthesisOpenSet = '([{<'
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self.parenthesisCloseSet = ')]}>'
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#
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# Get FD file
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#
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# retval self.fdFile Retrieve FD file
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#
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def getFdFile (self):
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return self.fdFile
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#
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# Get FD size
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#
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# retval self.fdSize Retrieve the size of FD file
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#
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def getFdSize (self):
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return self.fdSize
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#
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# Create dictionaries
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#
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# param [in] fvDir FV's directory
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# param [in] fvNames All FV's names
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#
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# retval 0 Created dictionaries successfully
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#
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def createDicts (self, fvDir, fvNames):
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#
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# If the fvDir is not a dirctory, then raise an exception
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#
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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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#
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# If the Guid.xref is not existing in fvDir, then raise an exception
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#
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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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#
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# Add GUID reference to dictionary
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#
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self.dictGuidNameXref = {}
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self.parseGuidXrefFile(xrefFile)
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#
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# Split up each FV from fvNames and get the fdBase
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#
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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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#
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# If the FD file is not existing, then raise an exception
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#
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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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#
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# Get the size of the FD file
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#
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self.fdFile = fdFile
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self.fdSize = os.path.getsize(fdFile)
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#
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# If the INF file, which is the first element of fvList, is not existing, then raise an exception
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#
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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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#
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# Parse INF file in order to get fdBase and then assign those values to dictVariable
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#
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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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#
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# Collect information from FV MAP file and FV TXT file then
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# put them into dictionaries
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#
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self.dictSymbolAddress = {}
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self.dictFfsOffset = {}
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for file in fvList:
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#
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# If the .Fv.map file is not existing, then raise an exception.
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# Otherwise, parse FV MAP file
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#
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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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@ -133,12 +211,19 @@ class Symbols:
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self.parseFvMapFile(mapFile)
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#
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# If the .Fv.txt file is not existing, then raise an exception.
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# Otherwise, parse FV TXT file
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#
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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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#
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# Search all MAP files in FFS directory if it exists then parse MOD MAP file
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#
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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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@ -151,7 +236,17 @@ class Symbols:
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return 0
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#
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# Get FV offset in FD file
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#
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# param [in] fvFile FV file
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#
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# retval offset Got FV offset successfully
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#
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def getFvOffsetInFd(self, fvFile):
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#
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# Check if the first 0x70 bytes of fvFile can be found in fdFile
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#
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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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@ -161,7 +256,18 @@ class Symbols:
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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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#
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# Parse INF file
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#
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# param [in] infFile INF file
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#
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# retval 0 Parsed INF file successfully
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#
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def parseInfFile(self, infFile):
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#
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# Get FV offset and search EFI_BASE_ADDRESS in the FD file
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# then assign the value of EFI_BASE_ADDRESS to fdBase
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#
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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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@ -177,7 +283,19 @@ class Symbols:
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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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#
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# Parse FV TXT file
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#
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# param [in] fvTxtFile .Fv.txt file
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#
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# retval 0 Parsed FV TXT file successfully
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#
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def parseFvTxtFile(self, fvTxtFile):
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#
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# Get information from .Fv.txt in order to create a dictionary
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# For example,
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# self.dictFfsOffset[912740BE-2284-4734-B971-84B027353F0C] = 0x000D4078
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#
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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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@ -189,7 +307,23 @@ class Symbols:
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fdIn.close()
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return 0
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#
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# Parse FV MAP file
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#
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# param [in] mapFile .Fv.map file
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#
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# retval 0 Parsed FV MAP file successfully
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#
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def parseFvMapFile(self, mapFile):
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#
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# Get information from .Fv.map in order to create dictionaries
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# For example,
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# self.dictModBase[FspSecCore:BASE] = 4294592776 (0xfffa4908)
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# self.dictModBase[FspSecCore:ENTRY] = 4294606552 (0xfffa7ed8)
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# self.dictModBase[FspSecCore:TEXT] = 4294593080 (0xfffa4a38)
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# self.dictModBase[FspSecCore:DATA] = 4294612280 (0xfffa9538)
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# self.dictSymbolAddress[FspSecCore:_SecStartup] = 0x00fffa4a38
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#
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fdIn = open(mapFile, "r")
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rptLine = fdIn.readline()
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modName = ""
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@ -220,30 +354,65 @@ class Symbols:
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fdIn.close()
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return 0
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#
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# Parse MOD MAP file
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#
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# param [in] moduleName Module name
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# param [in] mapFile .Fv.map file
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#
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# retval 0 Parsed MOD MAP file successfully
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# retval 1 There is no moduleEntryPoint in modSymbols
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#
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def parseModMapFile(self, moduleName, mapFile):
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#
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# Get information from mapFile by moduleName in order to create a dictionary
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# For example,
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# self.dictSymbolAddress[FspSecCore:___guard_fids_count] = 0x00fffa4778
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#
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modSymbols = {}
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fdIn = open(mapFile, "r")
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reportLine = fdIn.readline()
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reportLines = fdIn.readlines()
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fdIn.close()
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moduleEntryPoint = "__ModuleEntryPoint"
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reportLine = reportLines[0]
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if reportLine.strip().find("Archive member included") != -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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prefix = '_'
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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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prefix = ''
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for reportLine in reportLines:
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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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modSymbols[prefix + match.group(matchKeyGroupIndex)] = match.group(matchSymbolGroupIndex)
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# Handle extra module patchable PCD variable in Linux map since it might have different format
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# .data._gPcd_BinaryPatch_PcdVpdBaseAddress
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# 0x0000000000003714 0x4 /tmp/ccmytayk.ltrans1.ltrans.o
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handleNext = False
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if matchSymbolGroupIndex == 1:
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for reportLine in reportLines:
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if handleNext:
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handleNext = False
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pcdName = match.group(1)
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match = re.match("\s+(0x[0-9a-fA-F]{16})\s+", reportLine)
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if match is not None:
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modSymbols[prefix + pcdName] = match.group(1)
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else:
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match = re.match("^\s\.data\.(_gPcd_BinaryPatch[_a-zA-Z0-9\-]+)", reportLine)
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if match is not None:
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handleNext = True
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continue
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if not moduleEntryPoint in modSymbols:
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return 1
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@ -263,7 +432,19 @@ class Symbols:
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self.dictSymbolAddress[fullSym] = "0x00%08x" % (baseOffset+ int(modSymbols[symbol], 16))
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return 0
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#
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# Parse Guid.xref file
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#
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# param [in] xrefFile the full directory of Guid.xref file
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#
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# retval 0 Parsed Guid.xref file successfully
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#
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def parseGuidXrefFile(self, xrefFile):
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#
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# Get information from Guid.xref in order to create a GuidNameXref dictionary
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# The dictGuidNameXref, for example, will be like
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# dictGuidNameXref [1BA0062E-C779-4582-8566-336AE8F78F09] = FspSecCore
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#
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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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@ -274,18 +455,35 @@ class Symbols:
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fdIn.close()
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return 0
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#
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# Get current character
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#
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# retval elf.string[self.index]
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# retval '' Exception
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#
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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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#
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# Check to see if it is last index
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#
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# retval self.index
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#
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def isLast(self):
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return self.index == len(self.string)
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#
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# Move to next index
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#
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def moveNext(self):
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self.index += 1
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#
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# Skip space
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#
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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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@ -293,6 +491,11 @@ class Symbols:
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else:
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return
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#
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# Parse value
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#
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# retval value
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#
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def parseValue(self):
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self.skipSpace()
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var = ''
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@ -325,6 +528,11 @@ class Symbols:
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value = self.getVariable(var)
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return int(value)
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#
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# Parse single operation
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#
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# retval ~self.parseBrace() or self.parseValue()
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#
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def parseSingleOp(self):
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self.skipSpace()
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char = self.getCurr()
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@ -334,6 +542,11 @@ class Symbols:
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else:
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return self.parseValue()
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#
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# Parse symbol of Brace([, {, <)
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#
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# retval value or self.parseSingleOp()
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#
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def parseBrace(self):
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self.skipSpace()
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char = self.getCurr()
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@ -355,6 +568,11 @@ class Symbols:
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else:
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return self.parseSingleOp()
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#
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# Parse symbol of Multiplier(*)
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#
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# retval value or self.parseSingleOp()
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#
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def parseMul(self):
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values = [self.parseBrace()]
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while True:
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@ -370,6 +588,11 @@ class Symbols:
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value *= each
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return value
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#
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# Parse symbol of And(&) and Or(|)
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#
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# retval value
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#
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def parseAndOr(self):
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values = [self.parseMul()]
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op = None
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@ -398,6 +621,11 @@ class Symbols:
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return value
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#
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# Parse symbol of Add(+) and Minus(-)
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#
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# retval sum(values)
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#
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def parseAddMinus(self):
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values = [self.parseAndOr()]
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while True:
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@ -413,9 +641,19 @@ class Symbols:
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break
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return sum(values)
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#
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# Parse expression
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#
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# retval self.parseAddMinus()
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#
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def parseExpr(self):
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return self.parseAddMinus()
|
||||
|
||||
#
|
||||
# Get result
|
||||
#
|
||||
# retval value
|
||||
#
|
||||
def getResult(self):
|
||||
value = self.parseExpr()
|
||||
self.skipSpace()
|
||||
|
|
@ -423,6 +661,11 @@ class Symbols:
|
|||
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:
|
||||
|
|
@ -431,12 +674,22 @@ class Symbols:
|
|||
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
|
||||
|
|
@ -445,6 +698,13 @@ class Symbols:
|
|||
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
|
||||
|
|
@ -452,16 +712,37 @@ class Symbols:
|
|||
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(':')
|
||||
|
|
@ -471,6 +752,13 @@ class Symbols:
|
|||
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
|
||||
|
|
@ -479,6 +767,14 @@ class Symbols:
|
|||
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
|
||||
|
|
@ -498,6 +794,9 @@ class Symbols:
|
|||
raise Exception("Invalid offset expression !")
|
||||
return value & 0xFFFFFFFF
|
||||
|
||||
#
|
||||
# Print out the usage
|
||||
#
|
||||
def usage():
|
||||
print "Usage: \n\tPatchFv FvBuildDir [FvFileBaseNames:]FdFileBaseNameToPatch \"Offset, Value\""
|
||||
|
||||
|
|
@ -507,23 +806,38 @@ def main():
|
|||
#
|
||||
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)
|
||||
|
|
@ -542,8 +856,14 @@ def main():
|
|||
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:
|
||||
|
|
@ -560,7 +880,9 @@ def main():
|
|||
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])
|
||||
|
|
|
|||
Loading…
Reference in New Issue