mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
Sae86
681bbf28f3
Update usage in argparser
Update for more than one class
Signed-off-by: Sae86 <sara.batllori@intel.com>
94 lines
3.9 KiB
Python
94 lines
3.9 KiB
Python
#CHIPSEC: Platform Security Assessment Framework
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#Copyright (c) 2010-2021, Intel Corporation
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#
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#This program is free software; you can redistribute it and/or
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#modify it under the terms of the GNU General Public License
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#as published by the Free Software Foundation; Version 2.
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#
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#This program is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#GNU General Public License for more details.
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#
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#You should have received a copy of the GNU General Public License
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#along with this program; if not, write to the Free Software
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#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#Contact information:
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#chipsec@intel.com
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#
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"""
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>>> chipsec_util ucode id|load|decode [ucode_update_file (in .PDB or .BIN format)] [cpu_id]
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Examples:
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>>> chipsec_util ucode id
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>>> chipsec_util ucode load ucode.bin 0
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>>> chipsec_util ucode decode ucode.pdb
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"""
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import time
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from chipsec.command import BaseCommand
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from chipsec.file import read_file
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from chipsec.hal.ucode import dump_ucode_update_header
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from argparse import ArgumentParser
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# ###################################################################
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#
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# Microcode patches
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#
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# ###################################################################
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class UCodeCommand(BaseCommand):
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def requires_driver(self):
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parser = ArgumentParser(usage=__doc__)
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subparsers = parser.add_subparsers()
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parser_id = subparsers.add_parser('id')
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parser_id.add_argument('cpu_thread_id', nargs='?', type=lambda x: int(x, 16), default=None, help='CPU ID (hex)')
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parser_id.set_defaults(func=self.ucode_id)
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parser_load = subparsers.add_parser('load')
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parser_load.add_argument('ucode_filename', type=str, help='ucode file name (.PDB or .BIN format)')
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parser_load.add_argument('cpu_thread_id', nargs='?', type=lambda x: int(x, 16), default=None, help='CPU ID (hex)')
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parser_load.set_defaults(func=self.ucode_load)
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parser_decode = subparsers.add_parser('decode')
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parser_decode.add_argument('ucode_filename', type=str, help='ucode file name (.PDB format)')
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parser.parse_args(self.argv[2:], namespace=self)
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return True
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def ucode_id(self):
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if self.cpu_thread_id is None:
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for tid in range(self.cs.msr.get_cpu_thread_count()):
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ucode_update_id = self.cs.ucode.ucode_update_id( tid )
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self.logger.log( "[CHIPSEC] CPU{:d}: Microcode update ID = 0x{:08X}".format(tid, ucode_update_id) )
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else:
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ucode_update_id = self.cs.ucode.ucode_update_id( self.cpu_thread_id )
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self.logger.log( "[CHIPSEC] CPU{:d}: Microcode update ID = 0x{:08X}".format(self.cpu_thread_id, ucode_update_id) )
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def ucode_load(self):
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if self.cpu_thread_id is None:
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self.logger.log( "[CHIPSEC] Loading Microcode update on all cores from '{}'".format(self.ucode_filename) )
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self.cs.ucode.update_ucode_all_cpus( self.ucode_filename )
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else:
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self.logger.log( "[CHIPSEC] Loading Microcode update on CPU{:d} from '{}'".format(self.cpu_thread_id, self.ucode_filename) )
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self.cs.ucode.update_ucode( self.cpu_thread_id, self.ucode_filename )
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def ucode_decode(self):
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if (not self.ucode_filename.endswith('.pdb')):
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self.logger.log( "[CHIPSEC] Ucode update file is not PDB file: '{}'".format(self.ucode_filename) )
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return
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pdb_ucode_buffer = read_file( self.ucode_filename )
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self.logger.log( "[CHIPSEC] Decoding Microcode Update header of PDB file: '{}'".format(self.ucode_filename) )
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dump_ucode_update_header( pdb_ucode_buffer )
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def run(self):
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t = time.time()
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self.func()
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self.logger.log( "[CHIPSEC] (ucode) time elapsed {:.3f}".format(time.time() -t) )
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commands = { 'ucode': UCodeCommand }
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