mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
Nathaniel Mitchell
179 lines
7.9 KiB
Python
179 lines
7.9 KiB
Python
# CHIPSEC: Platform Security Assessment Framework
|
|
# Copyright (c) 2010-2021, 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
|
|
#
|
|
|
|
"""
|
|
>>> chipsec_util cpu info
|
|
>>> chipsec_util cpu cr <thread> <cr_number> [value]
|
|
>>> chipsec_util cpu cpuid <eax> [ecx]
|
|
>>> chipsec_util cpu pt [paging_base_cr3]
|
|
>>> chipsec_util cpu topology
|
|
|
|
Examples:
|
|
|
|
>>> chipsec_util cpu info
|
|
>>> chipsec_util cpu cr 0 0
|
|
>>> chipsec_util cpu cr 0 4 0x0
|
|
>>> chipsec_util cpu cpuid 0x40000000
|
|
>>> chipsec_util cpu pt
|
|
>>> chipsec_util cpu topology
|
|
"""
|
|
|
|
from time import time
|
|
from argparse import ArgumentParser
|
|
|
|
from chipsec.hal.cpu import CPU
|
|
from chipsec.exceptions import CPURuntimeError
|
|
from chipsec.command import BaseCommand
|
|
|
|
# ###################################################################
|
|
#
|
|
# CPU utility
|
|
#
|
|
# ###################################################################
|
|
|
|
|
|
class CPUCommand(BaseCommand):
|
|
|
|
def requires_driver(self):
|
|
parser = ArgumentParser(usage=__doc__)
|
|
subparsers = parser.add_subparsers()
|
|
parser_info = subparsers.add_parser('info')
|
|
parser_cr = subparsers.add_parser('cr')
|
|
parser_cpuid = subparsers.add_parser('cpuid')
|
|
parser_pt = subparsers.add_parser('pt')
|
|
parser_topology = subparsers.add_parser('topology')
|
|
parser_info.set_defaults(func=self.cpu_info)
|
|
parser_cr.set_defaults(func=self.cpu_cr)
|
|
parser_cpuid.set_defaults(func=self.cpu_cpuid)
|
|
parser_pt.set_defaults(func=self.cpu_pt)
|
|
parser_topology.set_defaults(func=self.cpu_topology)
|
|
parser_cr.add_argument('thread', type=int, nargs='?', default=None)
|
|
parser_cr.add_argument('cr_number', type=int, nargs='?', default=None)
|
|
parser_cr.add_argument('value', type=lambda x: int(x, 0), nargs='?', default=None)
|
|
parser_cpuid.add_argument('eax', type=lambda x: int(x, 0))
|
|
parser_cpuid.add_argument('ecx', type=lambda x: int(x, 0), nargs='?', default=0)
|
|
parser_pt.add_argument('cr3', type=lambda x: int(x, 0), nargs='?', default=None)
|
|
|
|
parser.parse_args(self.argv[2:], namespace=CPUCommand)
|
|
|
|
return True
|
|
|
|
def cpu_info(self):
|
|
self.logger.log("[CHIPSEC] CPU information:")
|
|
ht = self.cs.cpu.is_HT_active()
|
|
threads_per_core = self.cs.cpu.get_number_logical_processor_per_core()
|
|
threads_per_pkg = self.cs.cpu.get_number_logical_processor_per_package()
|
|
cores_per_pkg = self.cs.cpu.get_number_physical_processor_per_package()
|
|
self.logger.log(" Hyper-Threading : {}".format('Enabled' if ht else 'Disabled'))
|
|
self.logger.log(" CPU cores per package : {:d}".format(cores_per_pkg))
|
|
self.logger.log(" CPU threads per core : {:d}".format(threads_per_core))
|
|
self.logger.log(" CPU threads per package : {:d}".format(threads_per_pkg))
|
|
try:
|
|
threads_count = self.cs.cpu.get_number_threads_from_APIC_table()
|
|
sockets_count = self.cs.cpu.get_number_sockets_from_APIC_table()
|
|
self.logger.log(" Number of sockets : {:d}".format(sockets_count))
|
|
self.logger.log(" Number of CPU threads : {:d}".format(threads_count))
|
|
except Exception:
|
|
pass
|
|
|
|
def cpu_topology(self):
|
|
self.logger.log("[CHIPSEC] CPU information:")
|
|
ht = self.cs.cpu.is_HT_active()
|
|
threads_per_core = self.cs.cpu.get_number_logical_processor_per_core()
|
|
threads_per_pkg = self.cs.cpu.get_number_logical_processor_per_package()
|
|
cores_per_pkg = self.cs.cpu.get_number_physical_processor_per_package()
|
|
num_threads = self.cs.helper.get_threads_count()
|
|
self.logger.log(" Hyper-Threading : {}".format('Enabled' if ht else 'Disabled'))
|
|
self.logger.log(" CPU cores per package : {:d}".format(cores_per_pkg))
|
|
self.logger.log(" CPU threads per core : {:d}".format(threads_per_core))
|
|
self.logger.log(" CPU threads per package : {:d}".format(threads_per_pkg))
|
|
self.logger.log(" Total threads : {:d}".format(num_threads))
|
|
topology = self.cs.cpu.get_cpu_topology()
|
|
self.logger.log(" Packages:")
|
|
for p in topology['packages']:
|
|
self.logger.log(" {:d}: {}".format(p, topology['packages'][p]))
|
|
self.logger.log(" Cores:")
|
|
for c in topology['cores']:
|
|
self.logger.log(" {:d}: {}".format(c, topology['cores'][c]))
|
|
|
|
return topology
|
|
|
|
def cpu_cr(self):
|
|
if self.value is not None:
|
|
self.logger.log("[CHIPSEC] CPU{:d}: write CR{:d} <- 0x{:08X}".format(self.thread, self.cr_number, self.value))
|
|
self.cs.cpu.write_cr(self.thread, self.cr_number, self.value)
|
|
return True
|
|
elif self.cr_number is not None:
|
|
value = self.cs.cpu.read_cr(self.thread, self.cr_number)
|
|
self.logger.log("[CHIPSEC] CPU{:d}: read CR{:d} -> 0x{:08X}".format(self.thread, self.cr_number, value))
|
|
return value
|
|
else:
|
|
for tid in range(self.cs.msr.get_cpu_thread_count()):
|
|
cr0 = self.cs.cpu.read_cr(tid, 0)
|
|
cr2 = self.cs.cpu.read_cr(tid, 2)
|
|
cr3 = self.cs.cpu.read_cr(tid, 3)
|
|
cr4 = self.cs.cpu.read_cr(tid, 4)
|
|
cr8 = self.cs.cpu.read_cr(tid, 8)
|
|
self.logger.log("[CHIPSEC][cpu{:d}] x86 Control Registers:".format(tid))
|
|
self.logger.log(" CR0: 0x{:016X}".format(cr0))
|
|
self.logger.log(" CR2: 0x{:016X}".format(cr2))
|
|
self.logger.log(" CR3: 0x{:016X}".format(cr3))
|
|
self.logger.log(" CR4: 0x{:016X}".format(cr4))
|
|
self.logger.log(" CR8: 0x{:016X}".format(cr8))
|
|
|
|
def cpu_cpuid(self):
|
|
self.logger.log("[CHIPSEC] CPUID < EAX: 0x{:08X}".format(self.eax))
|
|
self.logger.log("[CHIPSEC] ECX: 0x{:08X}".format(self.ecx))
|
|
|
|
(_eax, _ebx, _ecx, _edx) = self.cs.cpu.cpuid(self.eax, self.ecx)
|
|
|
|
self.logger.log("[CHIPSEC] CPUID > EAX: 0x%08X" % _eax)
|
|
self.logger.log("[CHIPSEC] EBX: 0x%08X" % _ebx)
|
|
self.logger.log("[CHIPSEC] ECX: 0x%08X" % _ecx)
|
|
self.logger.log("[CHIPSEC] EDX: 0x%08X" % _edx)
|
|
|
|
def cpu_pt(self):
|
|
if self.cr3 is not None:
|
|
pt_fname = 'pt_{:08X}'.format(self.cr3)
|
|
self.logger.log("[CHIPSEC] paging physical base (CR3): 0x{:016X}".format(self.cr3))
|
|
self.logger.log("[CHIPSEC] dumping paging hierarchy to '{}'...".format(pt_fname))
|
|
self.cs.cpu.dump_page_tables(self.cr3, pt_fname)
|
|
else:
|
|
for tid in range(self.cs.msr.get_cpu_thread_count()):
|
|
cr3 = self.cs.cpu.read_cr(tid, 3)
|
|
pt_fname = 'cpu{:d}_pt_{:08X}'.format(tid, cr3)
|
|
self.logger.log("[CHIPSEC][cpu{:d}] paging physical base (CR3): 0x{:016X}".format(tid, cr3))
|
|
self.logger.log("[CHIPSEC][cpu{:d}] dumping paging hierarchy to '{}'...".format(tid, pt_fname))
|
|
self.cs.cpu.dump_page_tables(cr3, pt_fname)
|
|
|
|
def run(self):
|
|
t = time()
|
|
try:
|
|
self._cpu = CPU(self.cs)
|
|
except CPURuntimeError as msg:
|
|
print(msg)
|
|
return
|
|
|
|
self.func()
|
|
self.logger.log("[CHIPSEC] (cpu) time elapsed {:.3f}".format(time() - t))
|
|
|
|
|
|
commands = {'cpu': CPUCommand}
|