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https://github.com/chipsec/chipsec
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c377a72e28
* merge * Add Debian packaging * cleanup * Removed incorrect info into Copyright. * One more: removed incorrect info in Copyright.
93 lines
2.9 KiB
Python
93 lines
2.9 KiB
Python
#!/usr/bin/python
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#CHIPSEC: Platform Security Assessment Framework
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#Copyright (c) 2010-2015, 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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__version__ = '1.0'
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import time
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from chipsec.command import BaseCommand
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from chipsec.hal.cmos import CMOS, CmosRuntimeError
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class CMOSCommand(BaseCommand):
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"""
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>>> chipsec_util cmos dump
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>>> chipsec_util cmos readl|writel|readh|writeh <byte_offset> [byte_val]
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Examples:
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>>> chipsec_util cmos dump
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>>> chipsec_util cmos rl 0x0
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>>> chipsec_util cmos wh 0x0 0xCC
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"""
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def requires_driver(self):
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# No driver required when printing the util documentation
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if len(self.argv) < 3:
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return False
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return True
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def run(self):
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if len(self.argv) < 3:
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print CMOSCommand.__doc__
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return
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try:
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_cmos = CMOS(self.cs)
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except CmosRuntimeError, msg:
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print msg
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return
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op = self.argv[2]
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t = time.time()
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if ( 'dump' == op ):
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self.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(self.argv[3],16)
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val = _cmos.read_cmos_low( off )
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self.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(self.argv[3],16)
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val = int(self.argv[4],16)
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self.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(self.argv[3],16)
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val = _cmos.read_cmos_high( off )
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self.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(self.argv[3],16)
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val = int(self.argv[4],16)
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self.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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self.logger.error( "unknown command-line option '%.32s'" % op )
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print CMOSCommand.__doc__
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return
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self.logger.log( "[CHIPSEC] (cmos) time elapsed %.3f" % (time.time()-t) )
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commands = { 'cmos': CMOSCommand }
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