BaseTools/Source/Python/PatchPcdValue/PatchPcdValue.py

   1 ## @file
   2 # Patch value into the binary file.
   3 #
   4 # Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13
  14 ##
  15 # Import Modules
  16 #
  17 import Common.LongFilePathOs as os
  18 from Common.LongFilePathSupport import OpenLongFilePath as open
  19 import sys
  20 import re
  21
  22 from optparse import OptionParser
  23 from optparse import make_option
  24 from Common.BuildToolError import *
  25 import Common.EdkLogger as EdkLogger
  26 from Common.BuildVersion import gBUILD_VERSION
  27 import array
  28
  29 # Version and Copyright
  30 __version_number__ = ("0.10" + " " + gBUILD_VERSION)
  31 __version__ = "%prog Version " + __version_number__
  32 __copyright__ = "Copyright (c) 2010, Intel Corporation. All rights reserved."
  33
  34 ## PatchBinaryFile method
  35 #
  36 # This method mainly patches the data into binary file.
  37 #
  38 # @param FileName    File path of the binary file
  39 # @param ValueOffset Offset value
  40 # @param TypeName    DataType Name
  41 # @param Value       Value String
  42 # @param MaxSize     MaxSize value
  43 #
  44 # @retval 0     File is updated successfully.
  45 # @retval not 0 File is updated failed.
  46 #
  47 def PatchBinaryFile(FileName, ValueOffset, TypeName, ValueString, MaxSize=0):
  48     #
  49     # Length of Binary File
  50     #
  51     FileHandle = open(FileName, 'rb')
  52     FileHandle.seek (0, 2)
  53     FileLength = FileHandle.tell()
  54     FileHandle.close()
  55     #
  56     # Unify string to upper string
  57     #
  58     TypeName = TypeName.upper()
  59     #
  60     # Get PCD value data length
  61     #
  62     ValueLength = 0
  63     if TypeName == 'BOOLEAN':
  64         ValueLength = 1
  65     elif TypeName == 'UINT8':
  66         ValueLength = 1
  67     elif TypeName == 'UINT16':
  68         ValueLength = 2
  69     elif TypeName == 'UINT32':
  70         ValueLength = 4
  71     elif TypeName == 'UINT64':
  72         ValueLength = 8
  73     elif TypeName == 'VOID*':
  74         if MaxSize == 0:
  75             return OPTION_MISSING, "PcdMaxSize is not specified for VOID* type PCD."
  76         ValueLength = int(MaxSize)
  77     else:
  78         return PARAMETER_INVALID, "PCD type %s is not valid." % (CommandOptions.PcdTypeName)
  79     #
  80     # Check PcdValue is in the input binary file.
  81     #
  82     if ValueOffset + ValueLength > FileLength:
  83         return PARAMETER_INVALID, "PcdOffset + PcdMaxSize(DataType) is larger than the input file size."
  84     #
  85     # Read binary file into array
  86     #
  87     FileHandle = open(FileName, 'rb')
  88     ByteArray = array.array('B')
  89     ByteArray.fromfile(FileHandle, FileLength)
  90     FileHandle.close()
  91     OrigByteList = ByteArray.tolist()
  92     ByteList = ByteArray.tolist()
  93     #
  94     # Clear the data in file
  95     #
  96     for Index in range(ValueLength):
  97         ByteList[ValueOffset + Index] = 0
  98     #
  99     # Patch value into offset
 100     #
 101     SavedStr = ValueString
 102     ValueString = ValueString.upper()
 103     ValueNumber = 0
 104     if TypeName == 'BOOLEAN':
 105         #
 106         # Get PCD value for BOOLEAN data type
 107         #
 108         try:
 109             if ValueString == 'TRUE':
 110                 ValueNumber = 1
 111             elif ValueString == 'FALSE':
 112                 ValueNumber = 0
 113             elif ValueString.startswith('0X'):
 114                 ValueNumber = int (ValueString, 16)
 115             else:
 116                 ValueNumber = int (ValueString)
 117             if ValueNumber != 0:
 118                 ValueNumber = 1
 119         except:
 120             return PARAMETER_INVALID, "PCD Value %s is not valid dec or hex string." % (ValueString)
 121         #
 122         # Set PCD value into binary data
 123         #
 124         ByteList[ValueOffset] = ValueNumber
 125     elif TypeName in ['UINT8', 'UINT16', 'UINT32', 'UINT64']:
 126         #
 127         # Get PCD value for UINT* data type
 128         #
 129         try:
 130             if ValueString.startswith('0X'):
 131                 ValueNumber = int (ValueString, 16)
 132             else:
 133                 ValueNumber = int (ValueString)
 134         except:
 135             return PARAMETER_INVALID, "PCD Value %s is not valid dec or hex string." % (ValueString)
 136         #
 137         # Set PCD value into binary data
 138         #
 139         for Index in range(ValueLength):
 140             ByteList[ValueOffset + Index] = ValueNumber % 0x100
 141             ValueNumber = ValueNumber / 0x100
 142     elif TypeName == 'VOID*':
 143         ValueString = SavedStr
 144         if ValueString.startswith('L"'):
 145             #
 146             # Patch Unicode String
 147             #
 148             Index = 0
 149             for ByteString in ValueString[2:-1]:
 150                 #
 151                 # Reserve zero as unicode tail
 152                 #
 153                 if Index + 2 >= ValueLength:
 154                     break
 155                 #
 156                 # Set string value one by one
 157                 #
 158                 ByteList[ValueOffset + Index] = ord(ByteString)
 159                 Index = Index + 2
 160         elif ValueString.startswith("{") and ValueString.endswith("}"):
 161             #
 162             # Patch {0x1, 0x2, ...} byte by byte
 163             #
 164             ValueList = ValueString[1 : len(ValueString) - 1].split(', ')
 165             Index = 0
 166             try:
 167                 for ByteString in ValueList:
 168                     if ByteString.upper().startswith('0X'):
 169                         ByteValue = int(ByteString, 16)
 170                     else:
 171                         ByteValue = int(ByteString)
 172                     ByteList[ValueOffset + Index] = ByteValue % 0x100
 173                     Index = Index + 1
 174                     if Index >= ValueLength:
 175                         break
 176             except:
 177                 return PARAMETER_INVALID, "PCD Value %s is not valid dec or hex string array." % (ValueString)
 178         else:
 179             #
 180             # Patch ascii string
 181             #
 182             Index = 0
 183             for ByteString in ValueString[1:-1]:
 184                 #
 185                 # Reserve zero as string tail
 186                 #
 187                 if Index + 1 >= ValueLength:
 188                     break
 189                 #
 190                 # Set string value one by one
 191                 #
 192                 ByteList[ValueOffset + Index] = ord(ByteString)
 193                 Index = Index + 1
 194     #
 195     # Update new data into input file.
 196     #
 197     if ByteList != OrigByteList:
 198         ByteArray = array.array('B')
 199         ByteArray.fromlist(ByteList)
 200         FileHandle = open(FileName, 'wb')
 201         ByteArray.tofile(FileHandle)
 202         FileHandle.close()
 203     return 0, "Patch Value into File %s successfully." % (FileName)
 204
 205 ## Parse command line options
 206 #
 207 # Using standard Python module optparse to parse command line option of this tool.
 208 #
 209 # @retval Options   A optparse.Values object containing the parsed options
 210 # @retval InputFile Path of file to be trimmed
 211 #
 212 def Options():
 213     OptionList = [
 214         make_option("-f", "--offset", dest="PcdOffset", action="store", type="int",
 215                           help="Start offset to the image is used to store PCD value."),
 216         make_option("-u", "--value", dest="PcdValue", action="store",
 217                           help="PCD value will be updated into the image."),
 218         make_option("-t", "--type", dest="PcdTypeName", action="store",
 219                           help="The name of PCD data type may be one of VOID*,BOOLEAN, UINT8, UINT16, UINT32, UINT64."),
 220         make_option("-s", "--maxsize", dest="PcdMaxSize", action="store", type="int",
 221                           help="Max size of data buffer is taken by PCD value.It must be set when PCD type is VOID*."),
 222         make_option("-v", "--verbose", dest="LogLevel", action="store_const", const=EdkLogger.VERBOSE,
 223                           help="Run verbosely"),
 224         make_option("-d", "--debug", dest="LogLevel", type="int",
 225                           help="Run with debug information"),
 226         make_option("-q", "--quiet", dest="LogLevel", action="store_const", const=EdkLogger.QUIET,
 227                           help="Run quietly"),
 228         make_option("-?", action="help", help="show this help message and exit"),
 229     ]
 230
 231     # use clearer usage to override default usage message
 232     UsageString = "%prog -f Offset -u Value -t Type [-s MaxSize] <input_file>"
 233
 234     Parser = OptionParser(description=__copyright__, version=__version__, option_list=OptionList, usage=UsageString)
 235     Parser.set_defaults(LogLevel=EdkLogger.INFO)
 236
 237     Options, Args = Parser.parse_args()
 238
 239     # error check
 240     if len(Args) == 0:
 241         EdkLogger.error("PatchPcdValue", PARAMETER_INVALID, ExtraData=Parser.get_usage())
 242
 243     InputFile = Args[len(Args) - 1]
 244     return Options, InputFile
 245
 246 ## Entrance method
 247 #
 248 # This method mainly dispatch specific methods per the command line options.
 249 # If no error found, return zero value so the caller of this tool can know
 250 # if it's executed successfully or not.
 251 #
 252 # @retval 0     Tool was successful
 253 # @retval 1     Tool failed
 254 #
 255 def Main():
 256     try:
 257         #
 258         # Check input parameter
 259         #
 260         EdkLogger.Initialize()
 261         CommandOptions, InputFile = Options()
 262         if CommandOptions.LogLevel < EdkLogger.DEBUG_9:
 263             EdkLogger.SetLevel(CommandOptions.LogLevel + 1)
 264         else:
 265             EdkLogger.SetLevel(CommandOptions.LogLevel)
 266         if not os.path.exists (InputFile):
 267             EdkLogger.error("PatchPcdValue", FILE_NOT_FOUND, ExtraData=InputFile)
 268             return 1
 269         if CommandOptions.PcdOffset == None or CommandOptions.PcdValue == None or CommandOptions.PcdTypeName == None:
 270             EdkLogger.error("PatchPcdValue", OPTION_MISSING, ExtraData="PcdOffset or PcdValue of PcdTypeName is not specified.")
 271             return 1
 272         if CommandOptions.PcdTypeName.upper() not in ["BOOLEAN", "UINT8", "UINT16", "UINT32", "UINT64", "VOID*"]:
 273             EdkLogger.error("PatchPcdValue", PARAMETER_INVALID, ExtraData="PCD type %s is not valid." % (CommandOptions.PcdTypeName))
 274             return 1
 275         if CommandOptions.PcdTypeName.upper() == "VOID*" and CommandOptions.PcdMaxSize == None:
 276             EdkLogger.error("PatchPcdValue", OPTION_MISSING, ExtraData="PcdMaxSize is not specified for VOID* type PCD.")
 277             return 1
 278         #
 279         # Patch value into binary image.
 280         #
 281         ReturnValue, ErrorInfo = PatchBinaryFile (InputFile, CommandOptions.PcdOffset, CommandOptions.PcdTypeName, CommandOptions.PcdValue, CommandOptions.PcdMaxSize)
 282         if ReturnValue != 0:
 283             EdkLogger.error("PatchPcdValue", ReturnValue, ExtraData=ErrorInfo)
 284             return 1
 285         return 0
 286     except:
 287         return 1
 288
 289 if __name__ == '__main__':
 290     r = Main()
 291     sys.exit(r)