mirror of
https://github.com/chipsec/chipsec
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brentholtsclaw
aff7ccc8a4
Intel Virtualization Technology for Directed I/O Revision 4.1 Order Number: D51397-016 sections 8.3, 8.4, 8.5, 8.6, 8.7, 8.8, 8.9, 8.3.1 Signed-off-by: brentholtsclaw <brent.holtsclaw@intel.com>
87 lines
3.0 KiB
Python
87 lines
3.0 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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Command-line utility providing access to ACPI tables
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>>> chipsec_util acpi list
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>>> chipsec_util acpi table <name>|<file_path>
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Examples:
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>>> chipsec_util acpi list
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>>> chipsec_util acpi table XSDT
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>>> chipsec_util acpi table acpi_table.bin
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"""
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from os.path import exists as path_exists
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from argparse import ArgumentParser
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from chipsec.hal.acpi import ACPI
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from chipsec.command import BaseCommand, toLoad
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# ###################################################################
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#
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# Advanced Configuration and Power Interface (ACPI)
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#
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# ###################################################################
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class ACPICommand(BaseCommand):
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def requirements(self) -> toLoad:
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if self.func == self.acpi_table and self._file:
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return toLoad.Nil # TODO: Fix this case. Need to update ACPI HAL to not try to auto-populate tables.
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return toLoad.All
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def parse_arguments(self) -> None:
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parser = ArgumentParser(usage=__doc__)
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subparsers = parser.add_subparsers()
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parser_list = subparsers.add_parser('list')
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parser_list.set_defaults(func=self.acpi_list)
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parser_table = subparsers.add_parser('table')
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parser_table.add_argument('-f', '--file', dest='_file', help='Read from file', action='store_true')
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parser_table.add_argument('_name', metavar='table|filename', nargs=1, help="table to list")
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parser_table.set_defaults(func=self.acpi_table)
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parser.parse_args(self.argv, namespace=self)
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def set_up(self) -> None:
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self._acpi = ACPI(self.cs)
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def acpi_list(self) -> None:
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self.logger.log('[CHIPSEC] Enumerating ACPI tables..')
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self._acpi.print_ACPI_table_list()
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def acpi_table(self) -> None:
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name = self._name[0]
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if not self._file and not self._acpi.is_ACPI_table_present(name):
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self.logger.log_error(f'Please specify table name from {self._acpi.tableList.keys()}')
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return
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elif self._file and not path_exists(name):
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self.logger.log_error(f"[CHIPSEC] Unable to find file '{name}'")
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return
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self.logger.log(f"[CHIPSEC] reading ACPI table {'from file' if self._file else ''} '{name}'")
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self._acpi.dump_ACPI_table(name, self._file)
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return
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commands = {'acpi': ACPICommand}
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