mirror of
https://github.com/chipsec/chipsec
synced 2026-06-08 13:31:00 +00:00
Nathaniel Mitchell
58 lines
1.7 KiB
Python
58 lines
1.7 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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CPUID information
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usage:
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>>> cpuid(0)
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"""
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from sys import byteorder
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from struct import unpack
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from typing import Tuple
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from chipsec.hal import hal_base
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from chipsec.library.logger import logger
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from chipsec.library.strings import bytestostring
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class CpuId(hal_base.HALBase):
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def __init__(self, cs):
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super(CpuId, self).__init__(cs)
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self.helper = cs.helper
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def cpuid(self, eax: int, ecx: int) -> Tuple[int, int, int, int]:
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return self.cs.hals.cpu.cpuid(eax, ecx)
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def get_proc_info(self):
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(eax, _, _, _) = self.cpuid(0x01, 0x00)
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return eax
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def get_mfgid(self) -> str:
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(_,ebx, ecx, edx) = self.cpuid(0x00, 0x00)
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mfg_barray = ebx.to_bytes(4, byteorder) + edx.to_bytes(4, byteorder) + ecx.to_bytes(4, byteorder)
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return bytestostring(unpack('<12s', mfg_barray)[0])
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haldata = {"arch":[hal_base.HALBase.MfgIds.Any], 'name': {'cpuid': "CpuId"}} |