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|
## @ PatchBinFv.py
#
# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials are licensed and made available under
# the terms and conditions of the BSD License that accompanies this distribution.
# The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php.
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
import os
import re
import sys
import time
import shutil
import struct
import binascii
from ctypes import *
class FileChecker:
def __init__(self):
self.SyncSectionList = ["PatchPcd"]
self.FvName = ""
self.target = ""
self.sourceRoot = ""
self.reportFile = ""
self.InfPcdList = []
def GetSectionName(self, line):
splitLine = line[1:-1].split(".")
return splitLine[0]
def IsSyncSection(self, line):
name = self.GetSectionName(line)
for sectionName in self.SyncSectionList:
if (cmp (sectionName, name) == 0) :
return True
return False
def PrintPcdList(self, pcdList):
for pcd in pcdList:
print "PCD: " + pcd[0] + "|" + pcd[1] + "|" + pcd[2] + " <== " + pcd[3] + "(" + pcd[4] + ")"
def GetInfFileGuid(self, fileName):
guid = ""
try :
file = open(fileName)
except Exception:
print "fail to open " + fileName
return
try:
while 1:
line = file.readline()
if not line:
break
newline = line[:-1]
if cmp (line[:11], " FILE_GUID") == 0:
splitLine = line.split("=")
templine = splitLine[1]
guid = templine[1:1+36]
finally:
file.close()
return guid
def ParseInfFile(self, fileName):
SyncToDest = False
try :
file = open(fileName)
except Exception:
print "fail to open " + fileName
return
try:
while 1:
line = file.readline()
if not line:
break
newline = line[:-1]
if cmp (line[0], "#") == 0:
continue
if cmp (line[0], "[") == 0:
SyncToDest = self.IsSyncSection(line)
PatchOffset = False
if (cmp (self.GetSectionName(line), "PatchPcd") == 0) :
PatchOffset = True
continue
if SyncToDest == True :
line = line.strip()
if (cmp (line, "") == 0) :
continue
if (cmp (line[0], "#") == 0) :
continue
splitLine = line.split(" ")
line = splitLine[0]
splitLine = line.split("|")
self.InfPcdList.append([splitLine[0], splitLine[1], splitLine[2], "", ""])
finally:
file.close()
return
def ProcessFvInf(self, fvName):
sourceFileName = os.path.join(self.sourceRoot,fvName+"\\"+self.target+"\\"+fvName+".inf")
print "\nprocessing - " + sourceFileName
fileGuid = self.GetInfFileGuid (sourceFileName)
print "FV NAME GUID - " + fileGuid
self.InfPcdList = []
self.ParseInfFile(sourceFileName)
self.InfPcdList.sort()
#self.PrintPcdList(self.InfPcdList)
try :
file = open(self.reportFile)
except Exception:
print "fail to open " + self.reportFile
return
try:
for pcd in self.InfPcdList:
file.seek(0)
print "checking - " + pcd[0]
ValuePair = self.GetPcdFromReport (file, pcd[0])
pcd[3] = ValuePair[0]
pcd[4] = ValuePair[1]
finally:
file.close()
self.PrintPcdList(self.InfPcdList)
def PatchFv(self, fvName):
sourceFileName = os.path.join(self.sourceRoot,fvName+"\\"+self.target+"\\"+fvName+".fv")
print "patching - " + sourceFileName
try :
file = open(sourceFileName, "rb")
except Exception:
print "fail to open " + sourceFileName
return
try:
buffer = file.read()
data = bytearray(buffer)
file.close()
for pcd in self.InfPcdList:
offset = int(pcd[2], 16)
if (cmp (pcd[4], "BOOLEAN") == 0) or (cmp (pcd[4], "UINT8") == 0):
b = struct.pack("B", int(pcd[3],16))
print " [" + hex(offset) + "] " + binascii.hexlify(data[offset:offset+1]) + " <= " + binascii.hexlify(b)
data[offset:offset+1] = b
elif (cmp (pcd[4], "UINT16") == 0):
h = struct.pack("H", int(pcd[3],16))
print " [" + hex(offset) + "] " + binascii.hexlify(data[offset:offset+2]) + " <= " + binascii.hexlify(h)
data[offset:offset+2] = h
elif (cmp (pcd[4], "UINT32") == 0):
l = struct.pack("L", int(pcd[3],16))
print " [" + hex(offset) + "] " + binascii.hexlify(data[offset:offset+4]) + " <= " + binascii.hexlify(l)
data[offset:offset+4] = l
elif (cmp (pcd[4], "UINT64") == 0):
q = struct.pack("Q", int(pcd[3],16))
print " [" + hex(offset) + "] " + binascii.hexlify(data[offset:offset+8]) + " <= " + binascii.hexlify(q)
data[offset:offset+8] = q
file = open(sourceFileName, "wb")
file.write(data)
finally:
file.close()
def GetPcdFromReport(self, file, pcd):
FoundPkg = False
pcdSplit = pcd.split(".")
TargetPkg = pcdSplit[0]
TargetPcd = pcdSplit[1]
while 1:
line = file.readline()
if not line:
break
newline = line[:-1]
if (cmp (newline, TargetPkg) == 0):
FoundPkg = True
continue
if (cmp (newline, "") == 0) or ((cmp (newline[0], " ") != 0) and (cmp (newline[0], "0") != 0)):
FoundPkg = False
if (FoundPkg == True) :
newline = newline.strip()
splitLine = newline.split(" ", 2)
if (cmp (splitLine[0], "*F") == 0) or (cmp (splitLine[0], "*P") == 0):
if (cmp (splitLine[1], TargetPcd) == 0):
print "found - " + TargetPkg + "." + TargetPcd
splitLine = splitLine[2].strip()[1:].strip().split(" ", 1)
if (cmp (splitLine[0], "FIXED") == 0) or (cmp (splitLine[0], "PATCH") == 0):
SplitLine = splitLine[1].strip()[1:].split(")", 1)
Type = SplitLine[0]
Value = SplitLine[1].strip()[1:].strip()
print " Type - (" + Type + "), Value - (" + Value + ")"
return [Value, Type]
return ["", ""]
def main():
global FileChecker
fileChecker = FileChecker()
if (len(sys.argv) != 5) :
print "usage: PatchBinFv <Target> <SourceRoot> <ReportFile> <FvName>"
return 0
fileChecker.target = sys.argv[1]
fileChecker.sourceRoot = sys.argv[2]
fileChecker.reportFile = sys.argv[3]
fileChecker.FvName = sys.argv[4]
fileChecker.ProcessFvInf (fileChecker.FvName)
fileChecker.PatchFv (fileChecker.FvName)
if __name__ == '__main__':
sys.exit(main())
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