mirror of https://github.com/acidanthera/audk.git
288 lines
10 KiB
Python
288 lines
10 KiB
Python
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## @file
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# Patch value into the binary file.
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#
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# Copyright (c) 2010, Intel Corporation
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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# Import Modules
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#
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import os
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import sys
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import re
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from optparse import OptionParser
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from optparse import make_option
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from Common.BuildToolError import *
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import Common.EdkLogger as EdkLogger
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import array
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# Version and Copyright
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__version_number__ = "0.10"
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__version__ = "%prog Version " + __version_number__
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__copyright__ = "Copyright (c) 2010, Intel Corporation. All rights reserved."
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## PatchBinaryFile method
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#
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# This method mainly patches the data into binary file.
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#
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# @param FileName File path of the binary file
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# @param ValueOffset Offset value
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# @param TypeName DataType Name
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# @param Value Value String
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# @param MaxSize MaxSize value
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#
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# @retval 0 File is updated successfully.
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# @retval not 0 File is updated failed.
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#
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def PatchBinaryFile(FileName, ValueOffset, TypeName, ValueString, MaxSize=0):
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#
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# Length of Binary File
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#
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FileHandle = open (FileName, 'rb')
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FileHandle.seek (0, 2)
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FileLength = FileHandle.tell()
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FileHandle.close()
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#
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# Unify string to upper string
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#
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TypeName = TypeName.upper()
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#
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# Get PCD value data length
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#
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ValueLength = 0
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if TypeName == 'BOOLEAN':
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ValueLength = 1
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elif TypeName == 'UINT8':
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ValueLength = 1
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elif TypeName == 'UINT16':
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ValueLength = 2
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elif TypeName == 'UINT32':
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ValueLength = 4
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elif TypeName == 'UINT64':
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ValueLength = 8
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elif TypeName == 'VOID*':
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if MaxSize == 0:
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return OPTION_MISSING, "PcdMaxSize is not specified for VOID* type PCD."
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ValueLength = MaxSize
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else:
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return PARAMETER_INVALID, "PCD type %s is not valid." %(CommandOptions.PcdTypeName)
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#
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# Check PcdValue is in the input binary file.
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#
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if ValueOffset + ValueLength > FileLength:
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return PARAMETER_INVALID, "PcdOffset + PcdMaxSize(DataType) is larger than the input file size."
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#
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# Read binary file into array
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#
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FileHandle = open (FileName, 'rb')
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ByteArray = array.array('B')
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ByteArray.fromfile(FileHandle, FileLength)
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FileHandle.close()
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OrigByteList = ByteArray.tolist()
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ByteList = ByteArray.tolist()
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#
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# Clear the data in file
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#
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for Index in range(ValueLength):
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ByteList[ValueOffset + Index] = 0
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#
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# Patch value into offset
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#
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ValueString = ValueString.upper()
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ValueNumber = 0
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if TypeName == 'BOOLEAN':
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#
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# Get PCD value for BOOLEAN data type
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#
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try:
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if ValueString == 'TRUE':
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ValueNumber = 1
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elif ValueString == 'FALSE':
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ValueNumber = 0
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elif ValueString.startswith('0X'):
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ValueNumber = int (Value, 16)
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else:
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ValueNumber = int (Value)
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if ValueNumber != 0:
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ValueNumber = 1
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except:
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return PARAMETER_INVALID, "PCD Value %s is not valid dec or hex string." %(ValueString)
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#
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# Set PCD value into binary data
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#
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ByteList[ValueOffset] = ValueNumber
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elif TypeName in ['UINT8', 'UINT16', 'UINT32', 'UINT64']:
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#
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# Get PCD value for UINT* data type
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#
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try:
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if ValueString.startswith('0X'):
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ValueNumber = int (ValueString, 16)
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else:
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ValueNumber = int (ValueString)
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except:
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return PARAMETER_INVALID, "PCD Value %s is not valid dec or hex string." %(ValueString)
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#
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# Set PCD value into binary data
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#
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for Index in range(ValueLength):
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ByteList[ValueOffset + Index] = ValueNumber % 0x100
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ValueNumber = ValueNumber / 0x100
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elif TypeName == 'VOID*':
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if ValueString.startswith("L "):
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#
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# Patch Unicode String
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#
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Index = 0
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for ByteString in ValueString[2:]:
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#
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# Reserve zero as unicode tail
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#
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if Index + 2 >= ValueLength:
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break
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#
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# Set string value one by one
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#
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ByteList[ValueOffset + Index] = ord(ByteString)
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Index = Index + 2
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elif ValueString.startswith("{") and ValueString.endswith("}"):
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#
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# Patch {0x1, 0x2, ...} byte by byte
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#
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ValueList = ValueString[1 : len(ValueString) - 1].split(', ')
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Index = 0
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try:
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for ByteString in ValueList:
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if ByteString.upper().startswith('0X'):
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ByteValue = int(ByteString, 16)
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else:
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ByteValue = int(ByteString)
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ByteList[ValueOffset + Index] = ByteValue % 0x100
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Index = Index + 1
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if Index >= ValueLength:
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break
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except:
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return PARAMETER_INVALID, "PCD Value %s is not valid dec or hex string array." %(ValueString)
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else:
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#
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# Patch ascii string
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#
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Index = 0
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for ByteString in ValueString:
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#
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# Reserve zero as string tail
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#
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if Index + 1 >= ValueLength:
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break
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#
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# Set string value one by one
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#
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ByteList[ValueOffset + Index] = ord(ByteString)
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Index = Index + 1
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#
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# Update new data into input file.
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#
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if ByteList != OrigByteList:
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ByteArray = array.array('B')
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ByteArray.fromlist(ByteList)
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FileHandle = open (FileName, 'wb')
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ByteArray.tofile(FileHandle)
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FileHandle.close()
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return 0, "Patch Value into File %s successfully." %(FileName)
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## Parse command line options
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#
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# Using standard Python module optparse to parse command line option of this tool.
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#
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# @retval Options A optparse.Values object containing the parsed options
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# @retval InputFile Path of file to be trimmed
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#
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def Options():
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OptionList = [
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make_option("-f", "--offset", dest="PcdOffset", action="store", type="int",
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help="Start offset to the image is used to store PCD value."),
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make_option("-u", "--value", dest="PcdValue", action="store",
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help="PCD value will be updated into the image."),
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make_option("-t", "--type", dest="PcdTypeName", action="store",
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help="The name of PCD data type may be one of VOID*,BOOLEAN, UINT8, UINT16, UINT32, UINT64."),
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make_option("-s", "--maxsize", dest="PcdMaxSize", action="store", type="int",
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help="Max size of data buffer is taken by PCD value.It must be set when PCD type is VOID*."),
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make_option("-v", "--verbose", dest="LogLevel", action="store_const", const=EdkLogger.VERBOSE,
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help="Run verbosely"),
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make_option("-d", "--debug", dest="LogLevel", type="int",
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help="Run with debug information"),
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make_option("-q", "--quiet", dest="LogLevel", action="store_const", const=EdkLogger.QUIET,
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help="Run quietly"),
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make_option("-?", action="help", help="show this help message and exit"),
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]
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# use clearer usage to override default usage message
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UsageString = "%prog -f Offset -u Value -t Type [-s MaxSize] <input_file>"
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Parser = OptionParser(description=__copyright__, version=__version__, option_list=OptionList, usage=UsageString)
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Parser.set_defaults(LogLevel=EdkLogger.INFO)
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Options, Args = Parser.parse_args()
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# error check
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if len(Args) == 0:
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EdkLogger.error("PatchPcdValue", PARAMETER_INVALID, ExtraData=Parser.get_usage())
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InputFile = Args[len(Args) - 1]
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return Options, InputFile
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## Entrance method
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#
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# This method mainly dispatch specific methods per the command line options.
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# If no error found, return zero value so the caller of this tool can know
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# if it's executed successfully or not.
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#
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# @retval 0 Tool was successful
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# @retval 1 Tool failed
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#
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def Main():
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try:
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#
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# Check input parameter
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#
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EdkLogger.Initialize()
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CommandOptions, InputFile = Options()
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if CommandOptions.LogLevel < EdkLogger.DEBUG_9:
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EdkLogger.SetLevel(CommandOptions.LogLevel + 1)
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else:
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EdkLogger.SetLevel(CommandOptions.LogLevel)
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if not os.path.exists (InputFile):
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EdkLogger.error("PatchPcdValue", FILE_NOT_FOUND, ExtraData=InputFile)
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return 1
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if CommandOptions.PcdOffset == None or CommandOptions.PcdValue == None or CommandOptions.PcdTypeName == None:
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EdkLogger.error("PatchPcdValue", OPTION_MISSING, ExtraData="PcdOffset or PcdValue of PcdTypeName is not specified.")
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return 1
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if CommandOptions.PcdTypeName.upper() not in ["BOOLEAN", "UINT8", "UINT16", "UINT32", "UINT64", "VOID*"]:
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EdkLogger.error("PatchPcdValue", PARAMETER_INVALID, ExtraData="PCD type %s is not valid." %(CommandOptions.PcdTypeName))
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return 1
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if CommandOptions.PcdTypeName.upper() == "VOID*" and CommandOptions.PcdMaxSize == None:
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EdkLogger.error("PatchPcdValue", OPTION_MISSING, ExtraData="PcdMaxSize is not specified for VOID* type PCD.")
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return 1
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#
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# Patch value into binary image.
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#
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ReturnValue, ErrorInfo = PatchBinaryFile (InputFile, CommandOptions.PcdOffset, CommandOptions.PcdTypeName, CommandOptions.PcdValue, CommandOptions.PcdMaxSize)
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if ReturnValue != 0:
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EdkLogger.error("PatchPcdValue", ReturnValue, ExtraData=ErrorInfo)
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return 1
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return 0
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except:
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return 1
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if __name__ == '__main__':
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r = Main()
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sys.exit(r)
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