#CHIPSEC: Platform Security Assessment Framework
#Copyright (c) 2010-2021, 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
#

"""
>>> chipsec_util spidesc <rom>

Examples:

>>> chipsec_util spidesc spi.bin
"""

import time

from chipsec.command            import BaseCommand
from chipsec.file               import read_file
from chipsec.hal.spi_descriptor import parse_spi_flash_descriptor
from argparse                   import ArgumentParser


class SPIDescCommand(BaseCommand):

    def requires_driver(self):
        parser = ArgumentParser( prog='chipsec_util spidesc', usage=__doc__ )
        parser.add_argument('fd_file', type=str, help='File name')
        parser.set_defaults()
        parser.parse_args(self.argv[2:], namespace=self)
        return False

    def run(self):
        t = time.time()

        self.logger.log( "[CHIPSEC] Parsing SPI Flash Descriptor from file '{}'\n".format(self.fd_file) )
        fd = read_file( self.fd_file )
        if fd:
            parse_spi_flash_descriptor( self.cs, fd )

        self.logger.log( "\n[CHIPSEC] (spidesc) time elapsed {:.3f}".format(time.time() -t) )

commands = { 'spidesc': SPIDescCommand }
