mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
BrentHoltsclaw
28747def1a
* Updated util_cmds starting within d to use argparse * Add get_thread_count to unittest mock_helper to fix unit_test error Signed-off-by: BrentHoltsclaw <brent.holtsclaw@intel.com>
104 lines
3.2 KiB
Python
104 lines
3.2 KiB
Python
#!/usr/bin/python
|
|
#CHIPSEC: Platform Security Assessment Framework
|
|
#Copyright (c) 2010-2019, Intel Corporation
|
|
#
|
|
#This program is free software; you can redistribute it and/or
|
|
#modify it under the terms of the GNU General Public License
|
|
#as published by the Free Software Foundation; Version 2.
|
|
#
|
|
#This program is distributed in the hope that it will be useful,
|
|
#but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
#GNU General Public License for more details.
|
|
#
|
|
#You should have received a copy of the GNU General Public License
|
|
#along with this program; if not, write to the Free Software
|
|
#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
#Contact information:
|
|
#chipsec@intel.com
|
|
#
|
|
|
|
|
|
|
|
"""
|
|
The idt and gdt commands print the IDT and GDT, respectively.
|
|
"""
|
|
|
|
from time import time
|
|
from argparse import ArgumentParser
|
|
|
|
from chipsec.command import BaseCommand
|
|
|
|
# CPU descriptor tables
|
|
class IDTCommand(BaseCommand):
|
|
"""
|
|
>>> chipsec_util idt [cpu_id]
|
|
|
|
Examples:
|
|
|
|
>>> chipsec_util idt 0
|
|
>>> chipsec_util idt
|
|
"""
|
|
|
|
def requires_driver(self):
|
|
parser = ArgumentParser(usage=IDTCommand.__doc__)
|
|
parser.add_argument('_thread', metavar='thread', type=lambda x: int(x,0), nargs='?', default=None, help="thread")
|
|
parser.parse_args(self.argv[2:], namespace=self)
|
|
return True
|
|
|
|
def run(self):
|
|
t = time()
|
|
num_threads = self.cs.msr.get_cpu_thread_count()
|
|
if self._thread and self._thread < num_threads:
|
|
self.logger.log( "[CHIPSEC] Dumping IDT of CPU thread {:d}".format(self._thread) )
|
|
self.cs.msr.IDT( self._thread, 4 )
|
|
else:
|
|
self.logger.log( "[CHIPSEC] Dumping IDT of {:d} CPU threads".format(num_threads) )
|
|
self.cs.msr.IDT_all( 4 )
|
|
self.logger.log( "[CHIPSEC] (acpi) time elapsed {:.3f}".format(time()-t) )
|
|
|
|
class GDTCommand(BaseCommand):
|
|
"""
|
|
>>> chipsec_util gdt [cpu_id]
|
|
|
|
Examples:
|
|
|
|
>>> chipsec_util gdt 0
|
|
>>> chipsec_util gdt
|
|
"""
|
|
|
|
def requires_driver(self):
|
|
parser = ArgumentParser(usage=GDTCommand.__doc__)
|
|
parser.add_argument('_thread', metavar='thread', type=lambda x: int(x,0), nargs='?', default=None, help="thread")
|
|
parser.parse_args(self.argv[2:], namespace=self)
|
|
return True
|
|
|
|
def run(self):
|
|
t = time()
|
|
num_threads = self.cs.msr.get_cpu_thread_count()
|
|
if self._thread and self._thread < num_threads:
|
|
self.logger.log( "[CHIPSEC] Dumping IDT of CPU thread {:d}".format(self._thread) )
|
|
self.cs.msr.GDT( self._thread, 4 )
|
|
else:
|
|
self.logger.log( "[CHIPSEC] Dumping IDT of {:d} CPU threads".format(num_threads) )
|
|
self.cs.msr.GDT_all( 4 )
|
|
self.logger.log( "[CHIPSEC] (acpi) time elapsed {:.3f}".format(time()-t) )
|
|
|
|
class LDTCommand(BaseCommand):
|
|
"""
|
|
>>> chipsec_util ldt [cpu_id]
|
|
|
|
Examples:
|
|
|
|
>>> chipsec_util ldt 0
|
|
>>> chipsec_util ldt
|
|
"""
|
|
def requires_driver(self):
|
|
return True
|
|
|
|
def run(self):
|
|
self.logger.error( "[CHIPSEC] ldt not implemented" )
|
|
|
|
commands = { 'idt': IDTCommand, 'gdt': GDTCommand }
|