Files
chipsec-chipsec/chipsec/utilcmd/cmos_cmd.py
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abazhaniuk c377a72e28 Deb package (#135)
* merge

* Add Debian packaging

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* Removed incorrect info into Copyright.

* One more: removed incorrect info in Copyright.
2017-01-06 12:57:13 -08:00

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2.9 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
#
__version__ = '1.0'
import time
from chipsec.command import BaseCommand
from chipsec.hal.cmos import CMOS, CmosRuntimeError
class CMOSCommand(BaseCommand):
"""
>>> chipsec_util cmos dump
>>> chipsec_util cmos readl|writel|readh|writeh <byte_offset> [byte_val]
Examples:
>>> chipsec_util cmos dump
>>> chipsec_util cmos rl 0x0
>>> chipsec_util cmos wh 0x0 0xCC
"""
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) < 3:
print CMOSCommand.__doc__
return
try:
_cmos = CMOS(self.cs)
except CmosRuntimeError, msg:
print msg
return
op = self.argv[2]
t = time.time()
if ( 'dump' == op ):
self.logger.log( "[CHIPSEC] Dumping CMOS memory.." )
_cmos.dump()
elif ( 'readl' == op ):
off = int(self.argv[3],16)
val = _cmos.read_cmos_low( off )
self.logger.log( "[CHIPSEC] CMOS low byte 0x%X = 0x%X" % (off, val) )
elif ( 'writel' == op ):
off = int(self.argv[3],16)
val = int(self.argv[4],16)
self.logger.log( "[CHIPSEC] Writing CMOS low byte 0x%X <- 0x%X " % (off, val) )
_cmos.write_cmos_low( off, val )
elif ( 'readh' == op ):
off = int(self.argv[3],16)
val = _cmos.read_cmos_high( off )
self.logger.log( "[CHIPSEC] CMOS high byte 0x%X = 0x%X" % (off, val) )
elif ( 'writeh' == op ):
off = int(self.argv[3],16)
val = int(self.argv[4],16)
self.logger.log( "[CHIPSEC] Writing CMOS high byte 0x%X <- 0x%X " % (off, val) )
_cmos.write_cmos_high( off, val )
else:
self.logger.error( "unknown command-line option '%.32s'" % op )
print CMOSCommand.__doc__
return
self.logger.log( "[CHIPSEC] (cmos) time elapsed %.3f" % (time.time()-t) )
commands = { 'cmos': CMOSCommand }