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## @ PatchBfv.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.fdName = ""
self.reportFile = ""
self.pcd = ["", "", ""]
def PrintPcd(self):
print "PCD: " + self.pcd[0] + "|" + self.pcd[1] + "(" + self.pcd[2] + ")"
def ProcessReport(self):
try :
file = open(self.reportFile)
except Exception:
print "fail to open " + self.reportFile
return
try:
file.seek(0)
print "checking - " + self.pcd[0]
ValuePair = self.GetPcdFromReport (file, self.pcd[0])
self.pcd[1] = ValuePair[0]
self.pcd[2] = ValuePair[1]
finally:
file.close()
self.PrintPcd()
def PatchFd(self):
fileName = self.fdName
print "patching BFV - " + fileName
try :
file = open(fileName, "rb")
except Exception:
print "fail to open " + fileName
return
try:
buffer = file.read()
data = bytearray(buffer)
file.close()
offset = -4
l = struct.pack("L", int(self.pcd[1],16))
print " [" + hex(offset) + "] " + binascii.hexlify(data[-4:]) + " <= " + binascii.hexlify(l)
data[-4:] = l
file = open(fileName, "wb")
file.write(data[0:])
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) != 4) :
print "usage: PatchBfv <FdFile> <ReportFile> <BfvPcdName>"
return 0
fileChecker.fdName = sys.argv[1]
fileChecker.reportFile = sys.argv[2]
fileChecker.pcd[0] = sys.argv[3]
fileChecker.ProcessReport ()
fileChecker.PatchFd ()
if __name__ == '__main__':
sys.exit(main())
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