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git.proxmox.com Git - mirror_edk2.git/blob - BaseTools/Scripts/BinToPcd.py
2 # Convert a binary file to a VOID* PCD value or DSC file VOID* PCD statement.
4 # Copyright (c) 2016 - 2018, 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
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.
17 from __future__
import print_function
25 # Globals for help information
28 __copyright__
= 'Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.'
29 __description__
= 'Convert one or more binary files to a VOID* PCD value or DSC file VOID* PCD statement.\n'
31 if __name__
== '__main__':
32 def ValidateUnsignedInteger (Argument
):
34 Value
= int (Argument
, 0)
36 Message
= '{Argument} is not a valid integer value.'.format (Argument
= Argument
)
37 raise argparse
.ArgumentTypeError (Message
)
39 Message
= '{Argument} is a negative value.'.format (Argument
= Argument
)
40 raise argparse
.ArgumentTypeError (Message
)
43 def ValidatePcdName (Argument
):
44 if re
.split ('[a-zA-Z\_][a-zA-Z0-9\_]*\.[a-zA-Z\_][a-zA-Z0-9\_]*', Argument
) != ['', '']:
45 Message
= '{Argument} is not in the form <PcdTokenSpaceGuidCName>.<PcdCName>'.format (Argument
= Argument
)
46 raise argparse
.ArgumentTypeError (Message
)
49 def ValidateGuidName (Argument
):
50 if re
.split ('[a-zA-Z\_][a-zA-Z0-9\_]*', Argument
) != ['', '']:
51 Message
= '{Argument} is not a valid GUID C name'.format (Argument
= Argument
)
52 raise argparse
.ArgumentTypeError (Message
)
55 def ByteArray (Buffer
, Xdr
= False):
58 # If Xdr flag is set then encode data using the Variable-Length Opaque
59 # Data format of RFC 4506 External Data Representation Standard (XDR).
61 XdrEncoder
= xdrlib
.Packer ()
63 XdrEncoder
.pack_bytes (Item
)
64 Buffer
= bytearray (XdrEncoder
.get_buffer ())
67 # If Xdr flag is not set, then concatenate all the data
69 Buffer
= bytearray (b
''.join (Buffer
))
71 # Return a PCD value of the form '{0x01, 0x02, ...}' along with the PCD length in bytes
73 return '{' + (', '.join (['0x{Byte:02X}'.format (Byte
= Item
) for Item
in Buffer
])) + '}', len (Buffer
)
76 # Create command line argument parser object
78 parser
= argparse
.ArgumentParser (prog
= __prog__
,
79 description
= __description__
+ __copyright__
,
80 conflict_handler
= 'resolve')
81 parser
.add_argument ("-i", "--input", dest
= 'InputFile', type = argparse
.FileType ('rb'), action
='append', required
= True,
82 help = "Input binary filename. Multiple input files are combined into a single PCD.")
83 parser
.add_argument ("-o", "--output", dest
= 'OutputFile', type = argparse
.FileType ('wb'),
84 help = "Output filename for PCD value or PCD statement")
85 parser
.add_argument ("-p", "--pcd", dest
= 'PcdName', type = ValidatePcdName
,
86 help = "Name of the PCD in the form <PcdTokenSpaceGuidCName>.<PcdCName>")
87 parser
.add_argument ("-t", "--type", dest
= 'PcdType', default
= None, choices
= ['VPD', 'HII'],
88 help = "PCD statement type (HII or VPD). Default is standard.")
89 parser
.add_argument ("-m", "--max-size", dest
= 'MaxSize', type = ValidateUnsignedInteger
,
90 help = "Maximum size of the PCD. Ignored with --type HII.")
91 parser
.add_argument ("-f", "--offset", dest
= 'Offset', type = ValidateUnsignedInteger
,
92 help = "VPD offset if --type is VPD. UEFI Variable offset if --type is HII. Must be 8-byte aligned.")
93 parser
.add_argument ("-n", "--variable-name", dest
= 'VariableName',
94 help = "UEFI variable name. Only used with --type HII.")
95 parser
.add_argument ("-g", "--variable-guid", type = ValidateGuidName
, dest
= 'VariableGuid',
96 help = "UEFI variable GUID C name. Only used with --type HII.")
97 parser
.add_argument ("-x", "--xdr", dest
= 'Xdr', action
= "store_true",
98 help = "Encode PCD using the Variable-Length Opaque Data format of RFC 4506 External Data Representation Standard (XDR)")
99 parser
.add_argument ("-v", "--verbose", dest
= 'Verbose', action
= "store_true",
100 help = "Increase output messages")
101 parser
.add_argument ("-q", "--quiet", dest
= 'Quiet', action
= "store_true",
102 help = "Reduce output messages")
103 parser
.add_argument ("--debug", dest
= 'Debug', type = int, metavar
= '[0-9]', choices
= range (0, 10), default
= 0,
104 help = "Set debug level")
107 # Parse command line arguments
109 args
= parser
.parse_args ()
112 # Read all binary input files
115 for File
in args
.InputFile
:
117 Buffer
.append (File
.read ())
120 print ('BinToPcd: error: can not read binary input file {File}'.format (File
= File
))
124 # Convert PCD to an encoded string of hex values and determine the size of
125 # the encoded PCD in bytes.
127 PcdValue
, PcdSize
= ByteArray (Buffer
, args
.Xdr
)
130 # Convert binary buffer to a DSC file PCD statement
132 if args
.PcdName
is None:
134 # If PcdName is None, then only a PCD value is being requested.
138 print ('BinToPcd: Convert binary file to PCD Value')
139 elif args
.PcdType
is None:
141 # If --type is neither VPD nor HII, then use PCD statement syntax that is
142 # compatible with [PcdsFixedAtBuild], [PcdsPatchableInModule],
143 # [PcdsDynamicDefault], and [PcdsDynamicExDefault].
145 if args
.MaxSize
is None:
147 # If --max-size is not provided, then do not generate the syntax that
148 # includes the maximum size.
150 Pcd
= ' {Name}|{Value}'.format (Name
= args
.PcdName
, Value
= PcdValue
)
151 elif args
.MaxSize
< PcdSize
:
152 print ('BinToPcd: error: argument --max-size is smaller than input file.')
155 Pcd
= ' {Name}|{Value}|VOID*|{Size}'.format (Name
= args
.PcdName
, Value
= PcdValue
, Size
= args
.MaxSize
)
158 print ('BinToPcd: Convert binary file to PCD statement compatible with PCD sections:')
159 print (' [PcdsFixedAtBuild]')
160 print (' [PcdsPatchableInModule]')
161 print (' [PcdsDynamicDefault]')
162 print (' [PcdsDynamicExDefault]')
163 elif args
.PcdType
== 'VPD':
164 if args
.MaxSize
is None:
166 # If --max-size is not provided, then set maximum size to the size of the
169 args
.MaxSize
= PcdSize
170 if args
.MaxSize
< PcdSize
:
171 print ('BinToPcd: error: argument --max-size is smaller than input file.')
173 if args
.Offset
is None:
175 # if --offset is not provided, then set offset field to '*' so build
176 # tools will compute offset of PCD in VPD region.
178 Pcd
= ' {Name}|*|{Size}|{Value}'.format (Name
= args
.PcdName
, Size
= args
.MaxSize
, Value
= PcdValue
)
181 # --offset value must be 8-byte aligned
183 if (args
.Offset
% 8) != 0:
184 print ('BinToPcd: error: argument --offset must be 8-byte aligned.')
187 # Use the --offset value provided.
189 Pcd
= ' {Name}|{Offset}|{Size}|{Value}'.format (Name
= args
.PcdName
, Offset
= args
.Offset
, Size
= args
.MaxSize
, Value
= PcdValue
)
191 print ('BinToPcd: Convert binary file to PCD statement compatible with PCD sections')
192 print (' [PcdsDynamicVpd]')
193 print (' [PcdsDynamicExVpd]')
194 elif args
.PcdType
== 'HII':
195 if args
.VariableGuid
is None or args
.VariableName
is None:
196 print ('BinToPcd: error: arguments --variable-guid and --variable-name are required for --type HII.')
198 if args
.Offset
is None:
200 # Use UEFI Variable offset of 0 if --offset is not provided
204 # --offset value must be 8-byte aligned
206 if (args
.Offset
% 8) != 0:
207 print ('BinToPcd: error: argument --offset must be 8-byte aligned.')
209 Pcd
= ' {Name}|L"{VarName}"|{VarGuid}|{Offset}|{Value}'.format (Name
= args
.PcdName
, VarName
= args
.VariableName
, VarGuid
= args
.VariableGuid
, Offset
= args
.Offset
, Value
= PcdValue
)
211 print ('BinToPcd: Convert binary file to PCD statement compatible with PCD sections')
212 print (' [PcdsDynamicHii]')
213 print (' [PcdsDynamicExHii]')
216 # Write PCD value or PCD statement to the output file
219 args
.OutputFile
.write (Pcd
)
220 args
.OutputFile
.close ()
223 # If output file is not specified or it can not be written, then write the
224 # PCD value or PCD statement to the console