221 lines
9.5 KiB
Python
221 lines
9.5 KiB
Python
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## @file
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# Convert a binary file to a VOID* PCD value or DSC file VOID* PCD statement.
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#
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# Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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'''
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BinToPcd
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'''
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from __future__ import print_function
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import sys
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import argparse
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import re
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import xdrlib
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#
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# Globals for help information
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#
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__prog__ = 'BinToPcd'
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__copyright__ = 'Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.'
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__description__ = 'Convert one or more binary files to a VOID* PCD value or DSC file VOID* PCD statement.\n'
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if __name__ == '__main__':
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def ValidateUnsignedInteger (Argument):
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try:
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Value = int (Argument, 0)
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except:
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Message = '{Argument} is not a valid integer value.'.format (Argument = Argument)
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raise argparse.ArgumentTypeError (Message)
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if Value < 0:
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Message = '{Argument} is a negative value.'.format (Argument = Argument)
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raise argparse.ArgumentTypeError (Message)
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return Value
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def ValidatePcdName (Argument):
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if re.split ('[a-zA-Z\_][a-zA-Z0-9\_]*\.[a-zA-Z\_][a-zA-Z0-9\_]*', Argument) != ['', '']:
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Message = '{Argument} is not in the form <PcdTokenSpaceGuidCName>.<PcdCName>'.format (Argument = Argument)
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raise argparse.ArgumentTypeError (Message)
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return Argument
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def ValidateGuidName (Argument):
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if re.split ('[a-zA-Z\_][a-zA-Z0-9\_]*', Argument) != ['', '']:
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Message = '{Argument} is not a valid GUID C name'.format (Argument = Argument)
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raise argparse.ArgumentTypeError (Message)
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return Argument
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def ByteArray (Buffer, Xdr = False):
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if Xdr:
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#
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# If Xdr flag is set then encode data using the Variable-Length Opaque
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# Data format of RFC 4506 External Data Representation Standard (XDR).
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#
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XdrEncoder = xdrlib.Packer ()
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for Item in Buffer:
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XdrEncoder.pack_bytes (Item)
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Buffer = bytearray (XdrEncoder.get_buffer ())
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else:
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#
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# If Xdr flag is not set, then concatenate all the data
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#
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Buffer = bytearray (b''.join (Buffer))
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#
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# Return a PCD value of the form '{0x01, 0x02, ...}' along with the PCD length in bytes
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#
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return '{' + (', '.join (['0x{Byte:02X}'.format (Byte = Item) for Item in Buffer])) + '}', len (Buffer)
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#
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# Create command line argument parser object
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#
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parser = argparse.ArgumentParser (prog = __prog__,
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description = __description__ + __copyright__,
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conflict_handler = 'resolve')
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parser.add_argument ("-i", "--input", dest = 'InputFile', type = argparse.FileType ('rb'), action='append', required = True,
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help = "Input binary filename. Multiple input files are combined into a single PCD.")
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parser.add_argument ("-o", "--output", dest = 'OutputFile', type = argparse.FileType ('w'),
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help = "Output filename for PCD value or PCD statement")
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parser.add_argument ("-p", "--pcd", dest = 'PcdName', type = ValidatePcdName,
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help = "Name of the PCD in the form <PcdTokenSpaceGuidCName>.<PcdCName>")
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parser.add_argument ("-t", "--type", dest = 'PcdType', default = None, choices = ['VPD', 'HII'],
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help = "PCD statement type (HII or VPD). Default is standard.")
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parser.add_argument ("-m", "--max-size", dest = 'MaxSize', type = ValidateUnsignedInteger,
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help = "Maximum size of the PCD. Ignored with --type HII.")
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parser.add_argument ("-f", "--offset", dest = 'Offset', type = ValidateUnsignedInteger,
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help = "VPD offset if --type is VPD. UEFI Variable offset if --type is HII. Must be 8-byte aligned.")
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parser.add_argument ("-n", "--variable-name", dest = 'VariableName',
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help = "UEFI variable name. Only used with --type HII.")
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parser.add_argument ("-g", "--variable-guid", type = ValidateGuidName, dest = 'VariableGuid',
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help = "UEFI variable GUID C name. Only used with --type HII.")
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parser.add_argument ("-x", "--xdr", dest = 'Xdr', action = "store_true",
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help = "Encode PCD using the Variable-Length Opaque Data format of RFC 4506 External Data Representation Standard (XDR)")
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parser.add_argument ("-v", "--verbose", dest = 'Verbose', action = "store_true",
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help = "Increase output messages")
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parser.add_argument ("-q", "--quiet", dest = 'Quiet', action = "store_true",
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help = "Reduce output messages")
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parser.add_argument ("--debug", dest = 'Debug', type = int, metavar = '[0-9]', choices = range (0, 10), default = 0,
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help = "Set debug level")
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#
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# Parse command line arguments
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#
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args = parser.parse_args ()
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#
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# Read all binary input files
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#
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Buffer = []
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for File in args.InputFile:
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try:
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Buffer.append (File.read ())
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File.close ()
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except:
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print ('BinToPcd: error: can not read binary input file {File}'.format (File = File))
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sys.exit (1)
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#
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# Convert PCD to an encoded string of hex values and determine the size of
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# the encoded PCD in bytes.
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#
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PcdValue, PcdSize = ByteArray (Buffer, args.Xdr)
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#
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# Convert binary buffer to a DSC file PCD statement
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#
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if args.PcdName is None:
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#
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# If PcdName is None, then only a PCD value is being requested.
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#
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Pcd = PcdValue
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if args.Verbose:
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print ('BinToPcd: Convert binary file to PCD Value')
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elif args.PcdType is None:
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#
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# If --type is neither VPD nor HII, then use PCD statement syntax that is
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# compatible with [PcdsFixedAtBuild], [PcdsPatchableInModule],
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# [PcdsDynamicDefault], and [PcdsDynamicExDefault].
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#
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if args.MaxSize is None:
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#
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# If --max-size is not provided, then do not generate the syntax that
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# includes the maximum size.
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#
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Pcd = ' {Name}|{Value}'.format (Name = args.PcdName, Value = PcdValue)
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elif args.MaxSize < PcdSize:
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print ('BinToPcd: error: argument --max-size is smaller than input file.')
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sys.exit (1)
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else:
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Pcd = ' {Name}|{Value}|VOID*|{Size}'.format (Name = args.PcdName, Value = PcdValue, Size = args.MaxSize)
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if args.Verbose:
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print ('BinToPcd: Convert binary file to PCD statement compatible with PCD sections:')
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print (' [PcdsFixedAtBuild]')
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print (' [PcdsPatchableInModule]')
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print (' [PcdsDynamicDefault]')
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print (' [PcdsDynamicExDefault]')
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elif args.PcdType == 'VPD':
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if args.MaxSize is None:
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#
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# If --max-size is not provided, then set maximum size to the size of the
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# binary input file
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#
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args.MaxSize = PcdSize
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if args.MaxSize < PcdSize:
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print ('BinToPcd: error: argument --max-size is smaller than input file.')
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sys.exit (1)
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if args.Offset is None:
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#
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# if --offset is not provided, then set offset field to '*' so build
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# tools will compute offset of PCD in VPD region.
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#
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Pcd = ' {Name}|*|{Size}|{Value}'.format (Name = args.PcdName, Size = args.MaxSize, Value = PcdValue)
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else:
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#
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# --offset value must be 8-byte aligned
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#
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if (args.Offset % 8) != 0:
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print ('BinToPcd: error: argument --offset must be 8-byte aligned.')
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sys.exit (1)
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#
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# Use the --offset value provided.
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#
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Pcd = ' {Name}|{Offset}|{Size}|{Value}'.format (Name = args.PcdName, Offset = args.Offset, Size = args.MaxSize, Value = PcdValue)
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if args.Verbose:
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print ('BinToPcd: Convert binary file to PCD statement compatible with PCD sections')
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print (' [PcdsDynamicVpd]')
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print (' [PcdsDynamicExVpd]')
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elif args.PcdType == 'HII':
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if args.VariableGuid is None or args.VariableName is None:
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print ('BinToPcd: error: arguments --variable-guid and --variable-name are required for --type HII.')
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sys.exit (1)
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if args.Offset is None:
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#
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# Use UEFI Variable offset of 0 if --offset is not provided
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#
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args.Offset = 0
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#
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# --offset value must be 8-byte aligned
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#
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if (args.Offset % 8) != 0:
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print ('BinToPcd: error: argument --offset must be 8-byte aligned.')
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sys.exit (1)
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Pcd = ' {Name}|L"{VarName}"|{VarGuid}|{Offset}|{Value}'.format (Name = args.PcdName, VarName = args.VariableName, VarGuid = args.VariableGuid, Offset = args.Offset, Value = PcdValue)
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if args.Verbose:
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print ('BinToPcd: Convert binary file to PCD statement compatible with PCD sections')
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print (' [PcdsDynamicHii]')
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print (' [PcdsDynamicExHii]')
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#
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# Write PCD value or PCD statement to the output file
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#
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try:
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args.OutputFile.write (Pcd)
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args.OutputFile.close ()
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except:
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#
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# If output file is not specified or it can not be written, then write the
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# PCD value or PCD statement to the console
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#
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print (Pcd)
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