mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
Sae86
bd9cfe0b95
Update usage in argparser
Update for more than one class
Signed-off-by: Sae86 <sara.batllori@intel.com>
87 lines
3.5 KiB
Python
87 lines
3.5 KiB
Python
#CHIPSEC: Platform Security Assessment Framework
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#Copyright (c) 2010-2021, 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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>>> chipsec_util smbus read <device_addr> <start_offset> [size]
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>>> chipsec_util smbus write <device_addr> <offset> <byte_val>
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Examples:
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>>> chipsec_util smbus read 0xA0 0x0 0x100
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"""
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import time
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from chipsec.command import BaseCommand
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from chipsec.logger import print_buffer
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from chipsec.hal.smbus import SMBus
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from argparse import ArgumentParser
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class SMBusCommand(BaseCommand):
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def requires_driver(self):
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parser = ArgumentParser(prog='chipsec_util smbus', usage=__doc__)
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subparsers = parser.add_subparsers()
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parser_read = subparsers.add_parser('read')
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parser_read.add_argument('dev_addr', type=lambda x: int(x, 16), help='Start Address (hex)')
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parser_read.add_argument('start_off', type=lambda x: int(x, 16), help='Start Offset (hex)')
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parser_read.add_argument('size', type=lambda x: int(x, 16), default=None, nargs='?', help='Size [Default=Byte] (hex)')
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parser_read.set_defaults(func=self.smbus_read)
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parser_write = subparsers.add_parser('write')
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parser_write.add_argument('dev_addr', type=lambda x: int(x, 16), help='Start Address (hex)')
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parser_write.add_argument('off', type=lambda x: int(x, 16), help='Start Offset (hex)')
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parser_write.add_argument('val', type=lambda x: int(x, 16), help='Byte Value (hex)')
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parser_write.set_defaults(func=self.smbus_write)
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parser.parse_args(self.argv[2:], namespace=self)
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return True
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def smbus_read(self):
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if self.size is not None:
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buf = self._smbus.read_range( self.dev_addr, self.start_off, self.size )
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self.logger.log( "[CHIPSEC] SMBus read: device 0x{:X} offset 0x{:X} size 0x{:X}".format(self.dev_addr, self.start_off, self.size) )
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print_buffer( buf )
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else:
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val = self._smbus.read_byte( self.dev_addr, self.start_off )
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self.logger.log( "[CHIPSEC] SMBus read: device 0x{:X} offset 0x{:X} = 0x{:X}".format(self.dev_addr, self.start_off, val) )
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def smbus_write(self):
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self.logger.log( "[CHIPSEC] SMBus write: device 0x{:X} offset 0x{:X} = 0x{:X}".format(self.dev_addr, self.off, self.val) )
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self._smbus.write_byte( self.dev_addr, self.off, self.val )
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def run(self):
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try:
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self._smbus = SMBus( self.cs )
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except BaseException as msg:
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self.logger.error(msg)
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return
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t = time.time()
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if not self._smbus.is_SMBus_supported():
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self.logger.log( "[CHIPSEC] SMBus controller is not supported" )
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return
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self._smbus.display_SMBus_info()
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self.func()
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self.logger.log( "[CHIPSEC] (smbus) time elapsed {:.3f}".format(time.time() -t) )
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commands = { 'smbus': SMBusCommand }
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