#!/usr/local/bin/python #CHIPSEC: Platform Security Assessment Framework #Copyright (c) 2010-2014, 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 # # # usage as a standalone utility: # # ## \addtogroup standalone #chipsec_util idt / chipsec_util gdt / chipsec_util ldt #--------- #~~~ #chipsec_util idt|gdt [cpu_id] #'' # Examples: #'' # chipsec_util idt 0 # chipsec_util gdt #~~~ __version__ = '1.0' import os import sys import time import chipsec_util #from chipsec_util import global_usage, chipsec_util_commands, _cs from chipsec_util import chipsec_util_commands, _cs from chipsec.logger import * from chipsec.file import * #from chipsec.hal.msr import Msr #_cs = cs() usage = "chipsec_util idt|gdt|ldt [cpu_id]\n" + \ "Examples:\n" + \ " chipsec_util idt 0\n" + \ " chipsec_util gdt\n\n" chipsec_util.global_usage += usage # ################################################################### # # CPU descriptor tables # # ################################################################### def idt(argv): if (2 == len(argv)): logger().log( "[CHIPSEC] Dumping IDT of %d CPU threads" % _cs.msr.get_cpu_thread_count() ) _cs.msr.IDT_all( 4 ) elif (3 == len(argv)): tid = int(argv[2],16) _cs.msr.IDT( tid, 4 ) def gdt(argv): if (2 == len(argv)): logger().log( "[CHIPSEC] Dumping GDT of %d CPU threads" % _cs.msr.get_cpu_thread_count() ) _cs.msr.GDT_all( 4 ) elif (3 == len(argv)): tid = int(argv[2],16) _cs.msr.GDT( tid, 4 ) def ldt(argv): logger().error( "[CHIPSEC] ldt not implemented" ) chipsec_util_commands['idt'] = {'func' : idt, 'start_driver' : True } chipsec_util_commands['gdt'] = {'func' : gdt, 'start_driver' : True } .