Files
chipsec-chipsec/chipsec/utilcmd/desc_cmd.py
T
2019-08-15 14:11:20 -07:00

89 lines
2.3 KiB
Python

#!/usr/bin/python
#CHIPSEC: Platform Security Assessment Framework
#Copyright (c) 2010-2015, 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 chipsec.command import BaseCommand
# CPU descriptor tables
class IDTCommand(BaseCommand):
"""
>>> chipsec_util idt|gdt|ldt [cpu_id]
Examples:
>>> chipsec_util idt 0
>>> chipsec_util gdt
"""
def requires_driver(self):
return True
def run(self):
if (2 == len(self.argv)):
self.logger.log( "[CHIPSEC] Dumping IDT of {:d} CPU threads".format(self.cs.msr.get_cpu_thread_count()) )
self.cs.msr.IDT_all( 4 )
elif (3 == len(self.argv)):
tid = int(self.argv[2],16)
self.cs.msr.IDT( tid, 4 )
class GDTCommand(BaseCommand):
"""
>>> chipsec_util idt|gdt|ldt [cpu_id]
Examples:
>>> chipsec_util idt 0
>>> chipsec_util gdt
"""
def requires_driver(self):
return True
def run(self):
if (2 == len(self.argv)):
self.logger.log( "[CHIPSEC] Dumping GDT of {:d} CPU threads".format(self.cs.msr.get_cpu_thread_count()) )
self.cs.msr.GDT_all( 4 )
elif (3 == len(self.argv)):
tid = int(self.argv[2],16)
self.cs.msr.GDT( tid, 4 )
class LDTCommand(BaseCommand):
"""
>>> chipsec_util idt|gdt|ldt [cpu_id]
Examples:
>>> chipsec_util idt 0
>>> chipsec_util gdt
"""
def requires_driver(self):
return True
def run(self):
self.logger.error( "[CHIPSEC] ldt not implemented" )
commands = { 'idt': IDTCommand, 'gdt': GDTCommand }