mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
abazhaniuk
c377a72e28
* merge * Add Debian packaging * cleanup * Removed incorrect info into Copyright. * One more: removed incorrect info in Copyright.
101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
#!/usr/bin/python
|
|
#CHIPSEC: Platform Security Assessment Framework
|
|
#Copyright (c) 2010-2016, 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
|
|
#
|
|
|
|
|
|
|
|
__version__ = '1.0'
|
|
|
|
import os
|
|
import sys
|
|
import time
|
|
|
|
import chipsec_util
|
|
from chipsec.command import BaseCommand
|
|
|
|
from chipsec.logger import *
|
|
from chipsec.file import *
|
|
from chipsec.hal.msgbus import MsgBus
|
|
|
|
|
|
# Message Bus
|
|
class MsgBusCommand(BaseCommand):
|
|
"""
|
|
>>> chipsec_util msgbus read <port> <register>
|
|
>>> chipsec_util msgbus write <port> <register> <value>
|
|
>>> chipsec_util msgbus message <port> <register> <opcode> [value]
|
|
>>>
|
|
>>> <port> : message bus port of the target unit
|
|
>>> <register>: message bus register/offset in the target unit port
|
|
>>> <value> : value to be written to the message bus register/offset
|
|
>>> <opcode> : opcode of the message on the message bus
|
|
|
|
Examples:
|
|
|
|
>>> chipsec_util msgbus read 0x3 0x2E
|
|
>>> chipsec_util msgbus write 0x3 0x27 0xE0000001
|
|
>>> chipsec_util msgbus message 0x3 0x2E 0x10
|
|
>>> chipsec_util msgbus message 0x3 0x2E 0x11 0x0
|
|
"""
|
|
def requires_driver(self):
|
|
# No driver required when printing the util documentation
|
|
if len(self.argv) < 3:
|
|
return False
|
|
return True
|
|
|
|
def run(self):
|
|
if len(self.argv) > 7 or len(self.argv) < 5:
|
|
print MsgBusCommand.__doc__
|
|
return
|
|
|
|
op = self.argv[2]
|
|
t = time.time()
|
|
|
|
_msgbus = self.cs.msgbus
|
|
|
|
res = None
|
|
port = int(self.argv[3], 16)
|
|
reg = int(self.argv[4], 16)
|
|
|
|
if 'read' == op:
|
|
self.logger.log("[CHIPSEC] msgbus read: port 0x%02X + 0x%08X" % (port, reg))
|
|
res = _msgbus.msgbus_reg_read( port, reg )
|
|
elif 'write' == op:
|
|
if len(self.argv) < 6:
|
|
print msgbuscmd.__doc__
|
|
return
|
|
val = int(self.argv[5], 16)
|
|
self.logger.log("[CHIPSEC] msgbus write: port 0x%02X + 0x%08X < 0x%08X" % (port, reg, val))
|
|
res = _msgbus.msgbus_reg_write( port, reg, val )
|
|
elif 'message' == op:
|
|
opcode = int(self.argv[5], 16)
|
|
val = None if len(self.argv) < 7 else int(self.argv[6], 16)
|
|
self.logger.log("[CHIPSEC] msgbus message: port 0x%02X + 0x%08X, opcode: 0x%02X" % (port, reg, opcode))
|
|
if val is not None: self.logger.log("[CHIPSEC] data: 0x%08X" % val)
|
|
res = _msgbus.msgbus_send_message( port, reg, opcode, val )
|
|
else:
|
|
print msgbuscmd.__doc__
|
|
return
|
|
|
|
if res is not None: self.logger.log("[CHIPSEC] result: 0x%08X" % res)
|
|
self.logger.log( "[CHIPSEC] (msgbus) time elapsed %.3f" % (time.time()-t) )
|
|
|
|
commands = { 'msgbus': MsgBusCommand }
|