mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
Nathaniel Mitchell
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# CHIPSEC: Platform Security Assessment Framework
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# Copyright (c) 2024, 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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from typing import List, Optional, Tuple
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from chipsec.cfg.parsers.ip.pci_device import PCIConfig
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class Device:
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def __init__(self, cs) -> None:
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self.cs = cs
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def get_instance_by_name(self, device_name: str, instance) -> PCIConfig:
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devlist = self.get_list_by_name(device_name)
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for dev in devlist:
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if instance in dev.instances:
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return dev.instances[instance]
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return None
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def get_list_by_name(self, device_name: str):
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devices = self.cs.Cfg.get_objlist(device_name)
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return [ip.obj for ip in devices]
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def is_defined(self, device_name: str) -> bool:
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"""Checks if device is defined in the XML config"""
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return self.get_list_by_name(device_name) is not None
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def get_bus(self, device_name: str) -> List[int]:
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"""Retrieves bus value(s) from PCI device"""
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dev_list = self.get_list_by_name(device_name)
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buses = []
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for dev in dev_list:
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for instance_key in dev.instances.keys():
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buses.append(dev.instances[instance_key].bus)
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return buses
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def get_IO_space(self, io_name: str) -> Tuple[Optional[int], Optional[int]]:
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"""Retrieves BAR values for given IO range"""
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if io_name in self.cs.Cfg.IO_BARS.keys():
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reg = self.cs.Cfg.IO_BARS[io_name]['register']
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bf = self.cs.Cfg.IO_BARS[io_name]['base_field']
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return (reg, bf)
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else:
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return None, None
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