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https://github.com/chipsec/chipsec
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CHIPSEC
111 lines
3.0 KiB
Python
111 lines
3.0 KiB
Python
#!/usr/local/bin/python
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#CHIPSEC: Platform Security Assessment Framework
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#Copyright (c) 2010-2014, Intel Corporation
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#
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#This program is free software; you can redistribute it and/or
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#modify it under the terms of the GNU General Public License
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#as published by the Free Software Foundation; Version 2.
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#
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#This program is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#GNU General Public License for more details.
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#
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#You should have received a copy of the GNU General Public License
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#along with this program; if not, write to the Free Software
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#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#Contact information:
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#chipsec@intel.com
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#
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#
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# usage as a standalone utility:
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#
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## \addtogroup standalone
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#
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#
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#chipsec_util cmos
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#------------------------
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#~~~
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#chipsec_util cmos dump\n
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#chipsec_util cmos readl|writel|readh|writeh \<byte_offset\> [byte_val]
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# ''
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# Examples:
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# chipsec_util cmos dump
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# chipsec_util cmos readh 0x0
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# chipsec_util cmos writeh 0x0 0xCC
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# ~~~
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#
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#
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__version__ = '1.0'
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import os
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import sys
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import time
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import chipsec_util
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from chipsec.logger import *
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from chipsec.file import *
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from chipsec.hal.cmos import CMOS, CmosRuntimeError
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usage = "chipsec_util cmos dump\n" + \
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"chipsec_util cmos readl|writel|readh|writeh <byte_offset> [byte_val]\n" + \
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"Examples:\n" + \
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" chipsec_util cmos dump\n" + \
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" chipsec_util cmos rl 0x0\n" + \
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" chipsec_util cmos wh 0x0 0xCC\n\n"
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def cmos(argv):
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if 3 > len(argv):
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print usage
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return
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try:
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cmos = CMOS( )
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except CmosRuntimeError, msg:
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print msg
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return
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op = argv[2]
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t = time.time()
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if ( 'dump' == op ):
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logger().log( "[CHIPSEC] Dumping CMOS memory.." )
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cmos.dump()
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elif ( 'readl' == op ):
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off = int(argv[3],16)
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val = cmos.read_cmos_low( off )
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logger().log( "[CHIPSEC] CMOS low byte 0x%X = 0x%X" % (off, val) )
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elif ( 'writel' == op ):
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off = int(argv[3],16)
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val = int(argv[4],16)
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logger().log( "[CHIPSEC] Writing CMOS low byte 0x%X <- 0x%X " % (off, val) )
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cmos.write_cmos_low( off, val )
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elif ( 'readh' == op ):
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off = int(argv[3],16)
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val = cmos.read_cmos_high( off )
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logger().log( "[CHIPSEC] CMOS high byte 0x%X = 0x%X" % (off, val) )
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elif ( 'writeh' == op ):
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off = int(argv[3],16)
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val = int(argv[4],16)
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logger().log( "[CHIPSEC] Writing CMOS high byte 0x%X <- 0x%X " % (off, val) )
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cmos.write_cmos_high( off, val )
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else:
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logger().error( "unknown command-line option '%.32s'" % op )
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print usage
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return
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logger().log( "[CHIPSEC] (cmos) time elapsed %.3f" % (time.time()-t) )
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chipsec_util.commands['cmos'] = {'func' : cmos, 'start_driver' : True, 'help' : usage }
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