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MCE.py
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MCE.py
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#!/usr/bin/env python3
#coding=utf-8
"""
MC Extractor
Intel, AMD, VIA & Freescale Microcode Extractor
Copyright (C) 2016-2024 Plato Mavropoulos
"""
title = 'MC Extractor v1.101.0'
import sys
# Detect Python version
sys_py = sys.version_info
if sys_py < (3,7) :
sys.stdout.write('%s\n\nError: Python >= 3.7 required, not %d.%d!\n' % (title, sys_py[0], sys_py[1]))
if '-exit' not in sys.argv : (raw_input if sys_py[0] <= 2 else input)('\nPress enter to exit') # pylint: disable=E0602
sys.exit(-1)
# Detect OS platform
sys_os = sys.platform
if sys_os == 'win32' :
cl_wipe = 'cls'
sys.stdout.reconfigure(encoding='utf-8') # Fix Windows Unicode console redirection
elif sys_os.startswith('linux') or sys_os == 'darwin' or sys_os.find('bsd') != -1 :
cl_wipe = 'clear'
else :
print('%s\n\nError: Unsupported platform "%s"!\n' % (title, sys_os))
if '-exit' not in sys.argv : input('Press enter to exit')
sys.exit(-1)
import os
import re
import zlib
import struct
import shutil
import ctypes
import hashlib
import inspect
import sqlite3
import threading
import traceback
import urllib.request
import importlib.util
# Check code dependency installation
for depend in ['colorama','pltable'] :
if not importlib.util.find_spec(depend) :
print('%s\n\nError: Dependency "%s" is missing!\n Install via "pip3 install %s"\n' % (title, depend, depend))
if '-exit' not in sys.argv : input('Press enter to exit')
sys.exit(1)
import pltable
import colorama
# Initialize and setup Colorama
colorama.init()
col_r = colorama.Fore.RED + colorama.Style.BRIGHT
col_c = colorama.Fore.CYAN + colorama.Style.BRIGHT
col_b = colorama.Fore.BLUE + colorama.Style.BRIGHT
col_g = colorama.Fore.GREEN + colorama.Style.BRIGHT
col_y = colorama.Fore.YELLOW + colorama.Style.BRIGHT
col_m = colorama.Fore.MAGENTA + colorama.Style.BRIGHT
col_e = colorama.Fore.RESET + colorama.Style.RESET_ALL
# Set ctypes Structure types
char = ctypes.c_char
uint8_t = ctypes.c_ubyte
uint16_t = ctypes.c_ushort
uint32_t = ctypes.c_uint
uint64_t = ctypes.c_uint64
def mce_help() :
print(
'\nUsage: MCE [FilePath] {Options}\n\n{Options}\n\n'
'-? : Displays help & usage screen\n'
'-skip : Skips welcome & options screen\n'
'-exit : Skips Press enter to exit prompt\n'
'-mass : Scans all files of a given directory\n'
'-info : Displays microcode structure info\n'
'-add : Adds input microcode to DB, if new\n'
'-dbn : Renames input file based on unique DB name\n'
'-duc : Disables automatic check for MCE & DB updates\n'
'-search : Searches for microcodes based on CPUID/Model\n'
'-last : Shows \"Last\" status based on user input\n'
'-repo : Builds microcode repositories from input\n'
'-blob : Builds a Microcode Blob (MCB) from input'
)
print(col_g + '\nCopyright (C) 2016-2024 Plato Mavropoulos' + col_e)
if getattr(sys, 'frozen', False) : print(col_c + '\nRunning in frozen state!' + col_e)
mce_exit(0)
class MCE_Param :
def __init__(self, source) :
self.val = ['-?','-skip','-info','-add','-mass','-search','-dbn','-repo','-exit','-blob','-last','-duc']
self.help_scr = False
self.build_db = False
self.skip_intro = False
self.print_hdr = False
self.mass_scan = False
self.search = False
self.give_db_name = False
self.build_repo = False
self.skip_pause = False
self.build_blob = False
self.get_last = False
self.upd_dis = False
if '-?' in source : self.help_scr = True
if '-skip' in source : self.skip_intro = True
if '-add' in source : self.build_db = True
if '-info' in source : self.print_hdr = True
if '-mass' in source : self.mass_scan = True
if '-search' in source : self.search = True
if '-dbn' in source : self.give_db_name = True
if '-repo' in source : self.build_repo = True
if '-exit' in source : self.skip_pause = True
if '-blob' in source : self.build_blob = True
if '-last' in source : self.get_last = True
if '-duc' in source : self.upd_dis = True
if self.mass_scan or self.search or self.build_repo or self.build_blob or self.get_last : self.skip_intro = True
# https://stackoverflow.com/a/65447493 by Shail-Shouryya
class Thread_With_Result(threading.Thread) :
def __init__(self, group=None, target=None, name=None, args=(), kwargs=None, *, daemon=None) :
self.result = None
if kwargs is None : kwargs = {}
def function() :
self.result = target(*args, **kwargs)
super().__init__(group=group, target=function, name=name, daemon=daemon)
class Intel_MC_Header(ctypes.LittleEndianStructure) :
_pack_ = 1
_fields_ = [
('HeaderType', uint32_t), # 0x00 1 Microcode, 2 In-Field Scan (IFS)
('UpdateRevision', uint32_t), # 0x04 Signed to signify PRD/PRE
('Year', uint16_t), # 0x08
('Day', uint8_t), # 0x0A
('Month', uint8_t), # 0x0B
('ProcessorSignature', uint32_t), # 0x0C CPUID
('Checksum', uint32_t), # 0x10 OEM validation only
('LoaderRevision', uint32_t), # 0x14 1
('PlatformIDs', uint32_t), # 0x18 Supported Platforms
('DataSize', uint32_t), # 0x1C Extra + Patch
('TotalSize', uint32_t), # 0x20 Header + Extra + Patch + Extended
('MetadataSize', uint32_t), # 0x24 In-Field Scan (IFS) Metadata Structures
('UpdateRevisionMin', uint32_t), # 0x28 Minimum Required Version (OS Kernel Late Loading)
('Reserved', uint32_t), # 0x2C 0
# 0x30
]
def mc_print(self) :
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_b + 'Intel Header Main' + col_e
pt.add_row(['Header Type', intel_header_types[self.HeaderType]])
pt.add_row(['Update Version', '%X' % self.UpdateRevision])
pt.add_row(['Release Date', '%0.4X-%0.2X-%0.2X' % (self.Year, self.Month, self.Day)])
pt.add_row(['CPUID', '%0.5X' % self.ProcessorSignature])
pt.add_row(['Checksum', '%0.8X' % self.Checksum])
pt.add_row(['Loader Version', self.LoaderRevision])
pt.add_row(['Platforms', '%0.2X (%s)' % (self.PlatformIDs, ','.join(map(str, intel_plat(mc_hdr.PlatformIDs))))])
pt.add_row(['Data Size', '0x%X' % self.DataSize])
pt.add_row(['Total Size', '0x%X' % self.TotalSize])
pt.add_row(['Metadata Size', '0x%X' % self.MetadataSize])
pt.add_row(['Minimum Version', '%X' % self.UpdateRevisionMin])
pt.add_row(['Reserved', '0x%0.8X' % self.Reserved])
print(pt)
class IntelMicrocodeHeaderExtraBase(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('ModuleType', uint16_t), # 0x00 0
('ModuleSubType', uint16_t), # 0x02 0
('ModuleSize', uint32_t), # 0x04 dwords
('Flags', uint16_t), # 0x08 0 RSA Signed, 1-31 Reserved
('RSAKeySize', uint16_t), # 0x0A 1K multiple (e.g. 3 * 1024 = 3072)
('UpdateRevision', uint32_t), # 0x0C Signed to signify PRD/PRE
('VCN', uint32_t), # 0x10 Version Control Number
('MultiPurpose1', uint32_t), # 0x14 dwords from Extra, UpdateSize, Empty etc
('Day', uint8_t), # 0x18
('Month', uint8_t), # 0x19
('Year', uint16_t), # 0x1A
('UpdateSize', uint32_t), # 0x1C dwords from Extra without encrypted padding
('ProcessorSignatureCount', uint32_t), # 0x20 max is 8 (8 * 0x4 = 0x20)
('ProcessorSignature0', uint32_t), # 0x24
('ProcessorSignature1', uint32_t), # 0x28
('ProcessorSignature2', uint32_t), # 0x2C
('ProcessorSignature3', uint32_t), # 0x30
('ProcessorSignature4', uint32_t), # 0x34
('ProcessorSignature5', uint32_t), # 0x38
('ProcessorSignature6', uint32_t), # 0x3C
('ProcessorSignature7', uint32_t), # 0x40
('MultiPurpose2', uint32_t), # 0x44 dwords from Extra + encrypted padding, UpdateSize, Platform, Empty
('ProcessorSignature0Unk', uint8_t), # 0x48
('ProcessorSignature1Unk', uint8_t), # 0x49
('ProcessorSignature2Unk', uint8_t), # 0x4A
('ProcessorSignature3Unk', uint8_t), # 0x4B
('ProcessorSignature4Unk', uint8_t), # 0x4C
('ProcessorSignature5Unk', uint8_t), # 0x4D
('ProcessorSignature6Unk', uint8_t), # 0x4E
('ProcessorSignature7Unk', uint8_t), # 0x4F
('Unknown0', uint32_t), # 0x50 Could be flags or struct length (e.g. 0x80, 0x00)
('Unknown1', uint32_t), # 0x54
('Unknown2', uint32_t), # 0x58
('Unknown3', uint32_t), # 0x5C
('Nonce', uint32_t*8), # 0x60 RC4 Nonce
# 0x80 (parent class, base)
]
def _get_rsa(self, rsa_mod, rsa_sig, rsa_exp, rsa_len):
self.rsa_exp = rsa_exp
self.rsa_mod = '%0.*X' % (rsa_len * 2, int.from_bytes(rsa_mod, 'little'))
self.rsa_sig = '%0.*X' % (rsa_len * 2, int.from_bytes(rsa_sig, 'little'))
def get_flags(self):
flags = IntelMicrocodeHeaderExtraGetFlags()
flags.asbytes = self.Flags
return flags.b.RSASigned, flags.b.Reserved
def get_cpuids(self):
return (self.ProcessorSignature0,self.ProcessorSignature1,self.ProcessorSignature2,self.ProcessorSignature3,
self.ProcessorSignature4,self.ProcessorSignature5,self.ProcessorSignature6,self.ProcessorSignature7)
def get_cpuids_unk(self):
return (self.ProcessorSignature0Unk,self.ProcessorSignature1Unk,self.ProcessorSignature2Unk,self.ProcessorSignature3Unk,
self.ProcessorSignature4Unk,self.ProcessorSignature5Unk,self.ProcessorSignature6Unk,self.ProcessorSignature7Unk)
def mc_print(self):
self.f1,self.f2 = self.get_flags()
self.cpuids = self.get_cpuids()
self.cpuids_unk = self.get_cpuids_unk()
self.nonce = '%0.*X' % (0x20 * 2, int.from_bytes(self.Nonce, 'little'))
pt,_ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_b + 'Intel Header Extra' + col_e
pt.add_row(['Module Type', self.ModuleType])
pt.add_row(['Module Sub Type', self.ModuleSubType])
pt.add_row(['Module Size', '0x%X' % (self.ModuleSize * 4)])
pt.add_row(['RSA Signed', ['No','Yes'][self.f1]])
pt.add_row(['Flags Reserved', '{0:015b}b'.format(self.f2)])
pt.add_row(['RSA Key Size', self.RSAKeySize * 1024])
pt.add_row(['Update Version', '%X' % self.UpdateRevision])
pt.add_row(['Version Control Number', self.VCN])
if self.MultiPurpose1 == mc_hdr.PlatformIDs:
pt.add_row(['Platforms (MP1)', '%0.2X (%s)' % (self.MultiPurpose1, ','.join(map(str, intel_plat(self.MultiPurpose1))))])
elif self.MultiPurpose1 * 4 == self.UpdateSize * 4:
pt.add_row(['Update Size (MP1)', '0x%X' % (self.MultiPurpose1 * 4)])
elif self.MultiPurpose1 * 4 == mc_len - int_hdr_size:
pt.add_row(['Padded Size (MP1)', '0x%X' % (self.MultiPurpose1 * 4)])
else:
pt.add_row(['Multi Purpose 1', '0x%X' % self.MultiPurpose1])
pt.add_row(['Build Date', '%0.4X-%0.2X-%0.2X' % (self.Year, self.Month, self.Day)])
pt.add_row(['Update Size', '0x%X' % (self.UpdateSize * 4)])
pt.add_row(['CPU Signatures', self.ProcessorSignatureCount])
any(pt.add_row(['CPUID %d' % i, '%0.5X' % self.cpuids[i]]) for i in range(len(self.cpuids)) if self.cpuids[i] != 0)
if self.MultiPurpose2 == mc_hdr.PlatformIDs:
pt.add_row(['Platforms (MP2)', '%0.2X (%s)' % (self.MultiPurpose2, ','.join(map(str, intel_plat(self.MultiPurpose2))))])
elif self.MultiPurpose2 * 4 == self.UpdateSize * 4:
pt.add_row(['Update Size (MP2)', '0x%X' % (self.MultiPurpose2 * 4)])
elif self.MultiPurpose2 * 4 == mc_len - int_hdr_size:
pt.add_row(['Padded Size (MP2)', '0x%X' % (self.MultiPurpose2 * 4)])
else:
pt.add_row(['Multi Purpose 2', '0x%X' % self.MultiPurpose2])
any(pt.add_row(['CPUID %d Unknown' % i, '0x%X' % self.cpuids_unk[i]]) for i in range(len(self.cpuids_unk)) if self.cpuids_unk[i] != 0)
pt.add_row(['Unknown 0', '0x%X' % self.Unknown0])
pt.add_row(['Unknown 1', '0x%X' % self.Unknown1])
pt.add_row(['Unknown 2', '0x%X' % self.Unknown2])
pt.add_row(['Unknown 3', '0x%X' % self.Unknown3])
pt.add_row(['RC4 Nonce', '%s [...]' % self.nonce[:14]])
pt.add_row(['RSA Public Key', '%s [...]' % self.rsa_mod[:14]])
pt.add_row(['RSA Exponent', '0x%X' % self.rsa_exp])
pt.add_row(['RSA Signature', '%s [...]' % self.rsa_sig[:14]])
print()
print(pt)
class IntelMicrocodeHeaderExtraR1(IntelMicrocodeHeaderExtraBase):
_pack_ = 1
_fields_ = [
('RSAPublicKey', uint32_t*64), # 0x80
('RSAExponent', uint32_t), # 0x180 0x11 (17)
('RSASignature', uint32_t*64), # 0x184 0x14 --> SHA-1 or 0x20 --> SHA-256
# 0x204 (child class, R1)
]
def mc_print(self):
self._get_rsa(self.RSAPublicKey, self.RSASignature, self.RSAExponent, 0x100)
super().mc_print()
class IntelMicrocodeHeaderExtraR2(IntelMicrocodeHeaderExtraBase):
_pack_ = 1
_fields_ = [
('RSAPublicKey', uint32_t*96), # 0x80 Exponent is 0x10001 (65537)
('RSASignature', uint32_t*96), # 0x200 0x33 --> 0x13 = Unknown + 0x20 = SHA-256
# 0x300 (child class, R2)
]
def mc_print(self):
self._get_rsa(self.RSAPublicKey, self.RSASignature, 0x10001, 0x180)
super().mc_print()
class IntelMicrocodeHeaderExtraFlags(ctypes.LittleEndianStructure):
_fields_ = [
('RSASigned', uint16_t, 1), # RSA Signature usage
('Reserved', uint16_t, 15)
]
class IntelMicrocodeHeaderExtraGetFlags(ctypes.Union):
_fields_ = [
('b', IntelMicrocodeHeaderExtraFlags),
('asbytes', uint16_t)
]
class IntelMetadataHeader(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('MetaType', uint32_t), # 0x00 0 END, 1 IFS
('MetaSize', uint32_t), # 0x04 Entire struct including headers
# 0x08
]
def mc_print(self):
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_b + 'Intel Metadata Header' + col_e
pt.add_row(['Metadata Type', intel_meta_types[self.MetaType]])
pt.add_row(['Metadata Size', '0x%X' % self.MetaSize])
print(pt)
class IntelMetadataEntry(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('TestType', uint32_t), # 0x00 IFS test type
('FusaInfo', uint32_t), # 0x04 FUSA info
('ImageCount', uint32_t), # 0x08 Total images count
('ImageCurrent', uint32_t), # 0x0C Current image number
('ChunkCount', uint32_t), # 0x10 Chunks count in image
('ChunkStart', uint32_t), # 0x14 Starting chunk in image
('ChunkSize', uint32_t), # 0x18 Size of each chunk
('StrideChunks', uint32_t), # 0x1C Chunks in a stride
('Reserved', uint32_t*54), # 0x20 Alignment padding
# 0xF8
]
def mc_print(self):
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_b + 'Intel Metadata Entry' + col_e
pt.add_row(['Test Type', '0x%X' % self.TestType])
pt.add_row(['FUSA Info', '0x%X' % self.FusaInfo])
pt.add_row(['Total Images', self.ImageCount])
pt.add_row(['Current Image', self.ImageCurrent])
pt.add_row(['Total Chunks', self.ChunkCount])
pt.add_row(['Starting Chunk', self.ChunkStart])
pt.add_row(['Chunk Size', '0x%X' % self.ChunkSize])
pt.add_row(['Stride Chunks', self.StrideChunks])
pt.add_row(['Reserved', '0x%X' % self.Reserved])
print(pt)
class Intel_MC_Header_Extended(ctypes.LittleEndianStructure) :
_pack_ = 1
_fields_ = [
('ExtendedSignatureCount', uint32_t), # 0x00
('ExtendedChecksum', uint32_t), # 0x04
('Reserved', uint32_t*3), # 0x08
# 0x14
]
def mc_print(self) :
print()
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_b + 'Intel Header Extended' + col_e
pt.add_row(['Extended Signatures', self.ExtendedSignatureCount])
pt.add_row(['Extended Checksum', '%0.8X' % self.ExtendedChecksum])
pt.add_row(['Reserved', '0x%X' % int.from_bytes(self.Reserved, 'little')])
print(pt)
class Intel_MC_Header_Extended_Field(ctypes.LittleEndianStructure) :
_pack_ = 1
_fields_ = [
('ProcessorSignature', uint32_t), # 0x00
('PlatformIDs', uint32_t), # 0x04
('Checksum', uint32_t), # 0x08 replace CPUID, Platform, Checksum at Main Header w/o Extended
# 0x0C
]
def mc_print(self) :
print()
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_b + 'Intel Header Extended Field' + col_e
pt.add_row(['CPUID', '%0.5X' % self.ProcessorSignature])
pt.add_row(['Platforms', '%0.2X (%s)' % (self.PlatformIDs, ','.join(map(str, intel_plat(self.PlatformIDs))))])
pt.add_row(['Checksum', '%0.8X' % self.Checksum])
print(pt)
class AMD_MC_Header(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('Year', uint16_t), # 0x00
('Day', uint8_t), # 0x02
('Month', uint8_t), # 0x03
('UpdateRevision', uint32_t), # 0x04
('LoaderID', uint16_t), # 0x08 00-05|10|15 80
('DataSize', uint8_t), # 0x0A 00 or 10 or 20 or AM5+ DataSize [16:31]
('InitializationFlag', uint8_t), # 0x0B 00 or 01 or AM5+ DataSize [00:15]
('DataChecksum', uint32_t), # 0x0C OEM validation only
('NorthBridgeVEN_ID', uint16_t), # 0x10 0000 or 1022
('NorthBridgeDEV_ID', uint16_t), # 0x12
('SouthBridgeVEN_ID', uint16_t), # 0x14 0000 or 1022
('SouthBridgeDEV_ID', uint16_t), # 0x16
('ProcessorSignature', uint16_t), # 0x18
('NorthBridgeREV_ID', uint8_t), # 0x1A
('SouthBridgeREV_ID', uint8_t), # 0x1B
('BiosApiRevision', uint8_t), # 0x1C 00 or 01
('LoadControl', uint8_t), # 0x1D 00 or AA Reserved (AM4-), Bits 0-1 Flags (AM5+)
('Reserved_1E', uint8_t), # 0x1E 00 or AA
('Reserved_1F', uint8_t), # 0x1F 00 or AA
# 0x20
]
def _get_load_control(self):
load_ctrl = AMDMicrocodeHeaderGetLoadControl()
load_ctrl.asbytes = self.LoadControl
return load_ctrl.b.SerializedLoad, load_ctrl.b.LoadOnBothThreads, load_ctrl.b.Reserved
def get_data_size(self):
if self.LoaderID >= 0x8005:
return int(f'0x{self.InitializationFlag:X}{self.DataSize:X}', 16) * 0x10
return self.DataSize
def mc_print(self):
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_r + 'AMD Header' + col_e
pt.add_row(['Date', '%0.4X-%0.2X-%0.2X' % (self.Year, self.Month, self.Day)])
pt.add_row(['Update Version', '%X' % self.UpdateRevision])
pt.add_row(['Loader ID', '0x%X' % self.LoaderID])
pt.add_row(['Data Size', f'0x{self.get_data_size():X}'])
if self.LoaderID < 0x8005:
pt.add_row(['Initialization Flag', f'0x{self.InitializationFlag:X}'])
pt.add_row(['Checksum', f'0x{self.DataChecksum:08X}'])
pt.add_row(['NorthBridge Vendor ID', f'0x{self.NorthBridgeVEN_ID:04X}'])
pt.add_row(['NorthBridge Device ID', f'0x{self.NorthBridgeDEV_ID:04X}'])
pt.add_row(['SouthBridge Vendor ID', f'0x{self.SouthBridgeVEN_ID:04X}'])
pt.add_row(['SouthBridge Device ID', f'0x{self.SouthBridgeDEV_ID:04X}'])
pt.add_row(['CPUID', f'{self.ProcessorSignature >> 8:02X}0F{self.ProcessorSignature & 0xFF:02X}'])
pt.add_row(['NorthBridge Revision', f'0x{self.NorthBridgeREV_ID:02X}'])
pt.add_row(['SouthBridge Revision', f'0x{self.SouthBridgeREV_ID:02X}'])
pt.add_row(['BIOS API Revision', f'0x{self.BiosApiRevision:02X}'])
if self.LoadControl in (0x00, 0xAA):
pt.add_row(['Reserved 0x1D', f'0x{self.LoadControl:X}'])
else:
load_serial, load_threads, load_reserved = self._get_load_control()
pt.add_row(['Load Control Serialized', ['No', 'Yes'][load_serial]])
pt.add_row(['Load Control Both Threads', ['No', 'Yes'][load_threads]])
pt.add_row(['Load Control Reserved', '{0:06b}b'.format(load_reserved)])
pt.add_row(['Reserved 0x1E', f'0x{self.Reserved_1E:X}'])
pt.add_row(['Reserved 0x1F', f'0x{self.Reserved_1F:X}'])
print(pt)
class AMDMicrocodeHeaderLoadControl(ctypes.LittleEndianStructure):
_fields_ = [
('SerializedLoad', uint8_t, 1), # Patch must be loaded serially across all cores
('LoadOnBothThreads', uint8_t, 1), # Patch must be loaded on both threads across all cores
('Reserved', uint8_t, 6)
]
class AMDMicrocodeHeaderGetLoadControl(ctypes.Union):
_fields_ = [
('b', AMDMicrocodeHeaderLoadControl),
('asbytes', uint8_t)
]
class VIA_MC_Header(ctypes.LittleEndianStructure) :
_pack_ = 1
_fields_ = [
('Signature', char*4), # 0x00 RRAS
('UpdateRevision', uint32_t), # 0x04
('Year', uint16_t), # 0x08
('Day', uint8_t), # 0x0A
('Month', uint8_t), # 0x0B
('ProcessorSignature', uint32_t), # 0x0C
('Checksum', uint32_t), # 0x10 OEM validation only
('LoaderRevision', uint32_t), # 0x14 00000001
('CNRRevision', uint8_t), # 0x18 0 CNR001 A0, 1 CNR001 A1
('Reserved', uint8_t*3), # 0x19 FF * 3
('DataSize', uint32_t), # 0x1C
('TotalSize', uint32_t), # 0x20
('Name', char*12), # 0x24
# 0x30
]
def mc_print(self) :
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_c + 'VIA Header' + col_e
pt.add_row(['Signature', self.Signature.decode('utf-8')])
pt.add_row(['Update Version', '%X' % self.UpdateRevision])
pt.add_row(['Date', '%0.4d-%0.2d-%0.2d' % (self.Year, self.Month, self.Day)])
pt.add_row(['CPUID', '%0.5X' % self.ProcessorSignature])
pt.add_row(['Checksum', '%0.8X' % self.Checksum])
pt.add_row(['Loader Version', self.LoaderRevision])
if self.CNRRevision != 0xFF :
pt.add_row(['CNR Revision', '001 A%d' % self.CNRRevision])
pt.add_row(['Reserved', '0x%X' % int.from_bytes(self.Reserved, 'little')])
else :
pt.add_row(['Reserved', '0xFFFFFFFF'])
pt.add_row(['Data Size', '0x%X' % self.DataSize])
pt.add_row(['Total Size', '0x%X' % self.TotalSize])
pt.add_row(['Name', self.Name.replace(b'\x7F',b'\x2E').decode('utf-8').strip()])
print(pt)
class FSL_MC_Header(ctypes.BigEndianStructure) :
_pack_ = 1
_fields_ = [
('TotalSize', uint32_t), # 0x00 Entire file
('Signature', char*3), # 0x04 QEF
('HeaderVersion', uint8_t), # 0x07 01
('Name', char*62), # 0x08 Null-terminated ID String
('IRAM', uint8_t), # 0x46 I-RAM (0 shared, 1 split)
('CountMC', uint8_t), # 0x47 Number of MC structures
('Model', uint16_t), # 0x48 SoC Model
('Major', uint8_t), # 0x4A SoC Revision Major
('Minor', uint8_t), # 0x4B SoC Revision Minor
('Reserved0', uint32_t), # 0x4C Alignment
('ExtendedModes', uint64_t), # 0x50 Extended Modes
('VTraps', uint32_t*8), # 0x58 Virtual Trap Addresses
('Reserved1', uint32_t), # 0x78 Alignment
# 0x7C
]
def mc_print(self) :
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_y + 'Freescale Header Main' + col_e
pt.add_row(['Signature', self.Signature.decode('utf-8')])
pt.add_row(['Name', self.Name.decode('utf-8')])
pt.add_row(['Header Version', self.HeaderVersion])
pt.add_row(['I-RAM', ['Shared','Split'][self.IRAM]])
pt.add_row(['Microcode Count', self.CountMC])
pt.add_row(['Total Size', '0x%X' % self.TotalSize])
pt.add_row(['SoC Model', '%0.4d' % self.Model])
pt.add_row(['SoC Major', self.Major])
pt.add_row(['SoC Minor', self.Minor])
pt.add_row(['Reserved 0', '0x%X' % self.Reserved0])
pt.add_row(['Extended Modes', '0x%X' % self.ExtendedModes])
pt.add_row(['Virtual Traps', '0x%X' % int.from_bytes(self.VTraps, 'little')])
pt.add_row(['Reserved 1', '0x%X' % self.Reserved1])
print(pt)
class FSL_MC_Entry(ctypes.BigEndianStructure) :
_pack_ = 1
_fields_ = [
('Name', char*32), # 0x00 Null-terminated ID String
('Traps', uint32_t*16), # 0x20 Trap Addresses (0 ignore)
('ECCR', uint32_t), # 0x60 ECCR Register value
('IRAMOffset', uint32_t), # 0x64 Code Offset into I-RAM
('CodeLength', uint32_t), # 0x68 dwords (*4, 1st Entry only)
('CodeOffset', uint32_t), # 0x6C MC Offset (from 0x0, 1st Entry only)
('Major', uint8_t), # 0x70 Major
('Minor', uint8_t), # 0x71 Minor
('Revision', uint8_t), # 0x72 Revision
('Reserved0', uint8_t), # 0x73 Alignment
('Reserved1', uint32_t), # 0x74 Future Expansion
# 0x78
]
def mc_print(self) :
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_y + 'Freescale Header Entry' + col_e
pt.add_row(['Name', self.Name.decode('utf-8')])
pt.add_row(['Traps', '0x%X' % int.from_bytes(self.Traps, 'little')])
pt.add_row(['ECCR', '0x%X' % self.ECCR])
pt.add_row(['I-RAM Offset', '0x%X' % self.IRAMOffset])
pt.add_row(['Code Length', '0x%X' % self.CodeLength])
pt.add_row(['Code Offset', '0x%X' % self.CodeOffset])
pt.add_row(['Major', self.Major])
pt.add_row(['Minor', self.Minor])
pt.add_row(['Revision', '0x%X' % self.Revision])
pt.add_row(['Reserved 0', '0x%X' % self.Reserved0])
pt.add_row(['Reserved 1', '0x%X' % self.Reserved1])
print(pt)
class MicrocodeCPUID(ctypes.LittleEndianStructure):
_fields_ = [
('Stepping', ctypes.c_uint, 4),
('Model', ctypes.c_uint, 4),
('Family', ctypes.c_uint, 4),
('ProcessorType', ctypes.c_uint, 2),
('Reserved1415', ctypes.c_uint, 2),
('ModelExtended', ctypes.c_uint, 4),
('FamilyExtended', ctypes.c_uint, 8),
('Reserved2831', ctypes.c_uint, 4)
]
class MicrocodeGetCPUID(ctypes.Union):
_fields_ = [
('b', MicrocodeCPUID),
('asbytes', ctypes.c_uint)
]
class MCB_Header(ctypes.LittleEndianStructure) :
_pack_ = 1
_fields_ = [
('Tag', char*4), # 0x00 Microcode Blob Tag ($MCB)
('MCCount', uint16_t), # 0x04 Microcode Entry Count
('MCEDBRev', uint16_t), # 0x06 MCE DB Revision
('HeaderRev', uint8_t), # 0x08 MCB Header Revision (2)
('MCVendor', uint8_t), # 0x09 Microcode Vendor (0 Intel, 1 AMD)
('Reserved', char*2), # 0x0A Reserved ($$)
('Checksum', uint32_t), # 0x0C CRC-32 of Header + Entries + Data
# 0x10
]
def mc_print(self) :
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_y + 'Microcode Blob Header' + col_e
pt.add_row(['Tag', self.Tag.decode('utf-8')])
pt.add_row(['Microcode Count', self.MCCount])
pt.add_row(['MCE DB Revision', self.MCEDBRev])
pt.add_row(['Header Revision', self.HeaderRev])
pt.add_row(['Microcode Vendor', ['Intel','AMD'][self.MCVendor]])
pt.add_row(['Reserved', self.Reserved.decode('utf-8')])
pt.add_row(['Checksum', '%0.8X' % self.Checksum])
print(pt)
class MCB_Entry(ctypes.LittleEndianStructure) :
_pack_ = 1
_fields_ = [
('CPUID', uint32_t), # 0x00 CPUID
('Platform', uint32_t), # 0x04 Platform (Intel only)
('Revision', uint32_t), # 0x08 Revision
('Year', uint16_t), # 0x0C Year
('Month', uint8_t), # 0x0E Month
('Day', uint8_t), # 0x0F Day
('Offset', uint32_t), # 0x10 Offset
('Size', uint32_t), # 0x14 Size
('Checksum', uint32_t), # 0x18 Checksum (Vendor/MCE)
('Reserved', uint32_t), # 0x1C Reserved (0)
# 0x20
]
def mc_print(self) :
pt, _ = mc_table(['Field', 'Value'], False, 1)
pt.title = col_y + 'Microcode Blob Entry' + col_e
pt.add_row(['CPUID', '%0.8X' % self.CPUID])
pt.add_row(['Platform', intel_plat(self.Platform)])
pt.add_row(['Date', '%0.4X-%0.2X-%0.2X' % (self.Year, self.Month, self.Day)])
pt.add_row(['Offset', '0x%X' % self.Offset])
pt.add_row(['Size', '0x%X' % self.Size])
pt.add_row(['Checksum', '%0.8X' % self.Checksum])
pt.add_row(['Reserved', self.Reserved])
print(pt)
def mce_exit(code) :
try :
# Before exiting, print output of MCE & DB update check Thread, if completed/dead
if not thread_update.is_alive() and thread_update.result : print(thread_update.result)
# Remove temporary microcode files
for temp_mc_path in temp_mc_paths:
if os.path.isfile(temp_mc_path):
os.remove(temp_mc_path)
# Remove empty temporary directory
if not len(os.listdir(temp_path)):
shutil.rmtree(temp_path)
# Before exiting, close DB
cursor.close() # Close DB Cursor
connection.close() # Close DB Connection
except :
pass
colorama.deinit() # Stop Colorama
if not param.skip_pause : input('\nPress enter to exit')
sys.exit(code)
# https://stackoverflow.com/a/22881871 by jfs
def get_script_dir(follow_symlinks=True) :
if getattr(sys, 'frozen', False) :
path = os.path.abspath(sys.executable)
else :
path = inspect.getabsfile(get_script_dir)
if follow_symlinks :
path = os.path.realpath(path)
return os.path.dirname(path)
# https://stackoverflow.com/a/781074 by Torsten Marek
def show_exception_and_exit(exc_type, exc_value, tb) :
if exc_type is KeyboardInterrupt :
print('\n')
else :
print(col_r + '\nError: %s crashed, please report the following:\n' % title)
traceback.print_exception(exc_type, exc_value, tb)
print(col_e)
if not param.skip_pause : input('Press enter to exit')
colorama.deinit() # Stop Colorama
sys.exit(-1)
def report_msg(msg_len) :
return f' You can help this project\n{" " * msg_len}by sharing it at https://win-raid.com forum. Thank you!'
def sha256(data):
return hashlib.sha256(data).hexdigest()
def adler32(data, iv=1) :
return zlib.adler32(data, iv) & 0xFFFFFFFF
def crc32(data, iv=0) :
return zlib.crc32(data, iv) & 0xFFFFFFFF
def checksum32(data) :
chk32 = 0
for idx in range(0, len(data), 4) :
chk32 += int.from_bytes(data[idx:idx + 4], 'little')
return -chk32 & 0xFFFFFFFF
# https://github.com/skochinsky/me-tools/blob/master/me_unpack.py by Igor Skochinsky
def get_struct(input_stream, start_offset, class_name, param_list = None) :
if param_list is None : param_list = []
structure = class_name(*param_list) # Unpack parameter list
struct_len = ctypes.sizeof(structure)
struct_data = input_stream[start_offset:start_offset + struct_len]
fit_len = min(len(struct_data), struct_len)
if (start_offset >= file_end) or (fit_len < struct_len) :
print(col_r + 'Error: Offset 0x%X out of bounds at %s, possibly incomplete image!' % (start_offset, class_name.__name__) + col_e)
mce_exit(-1)
ctypes.memmove(ctypes.addressof(structure), struct_data, fit_len)
return structure
def intel_plat(cpuflags) :
platforms = []
if cpuflags == 0 : # 1995-1998
platforms.append(0)
else:
for bit in range(8) : # 0-7
cpu_flag = cpuflags >> bit & 1
if cpu_flag == 1 : platforms.append(bit)
return platforms
def mc_db_name(in_file, mc_name, mc_nr) :
new_file_name = os.path.join(os.path.dirname(in_file), mc_name + '.bin')
if mc_nr == 2 : print(col_m + 'Warning: This file includes multiple microcodes!' + col_e)
elif not os.path.isfile(new_file_name) : os.replace(in_file, new_file_name)
elif os.path.basename(in_file) == mc_name + '.bin' : pass
else : print(col_r + 'Error: A file with the same name already exists!' + col_e)
def date_check(year, month, day) :
year,month,day = int(year), int(month), int(day)
if not (year >= 0 and 1 <= month <= 12 and 1 <= day <= 31) : return False
if year % 4 == 0 : # Check for Leap Years (February)
if month == 2 and day > 29 : return False
else :
if month == 2 and day > 28 : return False
return True
def mce_upd_check(db_path) :
result = None
try :
with urllib.request.urlopen('https://raw.githubusercontent.com/platomav/MCExtractor/master/MCE.py') as gpy : git_py = gpy.read(0x100)
git_py_utf = git_py.decode('utf-8','ignore')
git_py_idx = git_py_utf.find('title = \'MC Extractor v')
if git_py_idx == -1 : raise Exception('BAD_PY_FORMAT')
git_py_ver = git_py_utf[git_py_idx:][23:].split('\'')[0].split('_')[0]
cur_py_ver = title[14:].split('_')[0]
py_print = '(v%s --> v%s)' % (cur_py_ver, git_py_ver)
py_is_upd = mce_is_latest(cur_py_ver.split('.')[:3], git_py_ver.split('.')[:3])
with urllib.request.urlopen('https://raw.githubusercontent.com/platomav/MCExtractor/master/MCE.db') as gdb : git_db = gdb.read()
tmp_db = db_path + '.temp'
with open(tmp_db, 'wb') as db : db.write(git_db)
git_conn = sqlite3.connect(tmp_db)
git_curs = git_conn.cursor()
git_curs.execute('PRAGMA quick_check')
git_db_ver = (git_curs.execute('SELECT revision FROM MCE')).fetchone()[0]
git_curs.close()
git_conn.close()
if os.path.isfile(tmp_db) : os.remove(tmp_db)
cur_conn = sqlite3.connect(db_path)
cur_curs = cur_conn.cursor()
cur_curs.execute('PRAGMA quick_check')
cur_db_ver = (cur_curs.execute('SELECT revision FROM MCE')).fetchone()[0]
cur_curs.close()
cur_conn.close()
db_print = '(r%s --> r%s)' % (cur_db_ver, git_db_ver)
db_is_upd = cur_db_ver >= git_db_ver
git_link = '\n Download the latest from https://github.com/platomav/MCExtractor/'
if not py_is_upd and not db_is_upd : result = col_m + '\nWarning: Outdated MC Extractor %s & Database %s!' % (py_print,db_print) + git_link + col_e
elif not py_is_upd : result = col_m + '\nWarning: Outdated MC Extractor %s!' % py_print + git_link + col_e
elif not db_is_upd : result = col_m + '\nWarning: Outdated Database %s!' % db_print + git_link + col_e
except :
result = None
return result
def mce_is_latest(ver_before, ver_after) :
# ver_before/ver_after = [X.X.X]
if int(ver_before[0]) > int(ver_after[0]) or (int(ver_before[0]) == int(ver_after[0]) and (int(ver_before[1]) > int(ver_after[1])
or (int(ver_before[1]) == int(ver_after[1]) and int(ver_before[2]) >= int(ver_after[2])))) :
return True
return False
def get_temp_path(temp_input):
if not os.path.isdir(temp_path):
os.makedirs(temp_path)
return os.path.join(temp_path, os.path.basename(temp_input))
def chk_mc_mod(mc_nr, msg_vendor, mc_db_note) :
mod_info = ' (%s)' % mc_db_note if mc_db_note != '' else ''
msg_vendor.append(col_y + "\nNote: Microcode #%d has an OEM/User modified header%s!" % (mc_nr, mod_info) + col_e)
return msg_vendor
def chk_mc_cross(cross_list, msg_vendor) :
for mc_index, mc_cross in enumerate(cross_list, 1):
if mc_index != len(cross_list):
mc_curr_num, _, mc_curr_end = mc_cross
_, mc_next_bgn, _ = cross_list[mc_index]
if mc_next_bgn < mc_curr_end:
msg_vendor.append(col_m + '\nWarning: Microcode #%d is crossing over to the next microcode(s)!' % mc_curr_num + col_e)
copy_file_with_warn()
return msg_vendor
def db_new_MCE() :
db_is_dev = (cursor.execute('SELECT developer FROM MCE')).fetchone()[0]
db_rev_now = (cursor.execute('SELECT revision FROM MCE')).fetchone()[0]
if db_is_dev == 0 :
cursor.execute('UPDATE MCE SET revision=? WHERE ROWID=1', (db_rev_now + 1,))
cursor.execute('UPDATE MCE SET developer=1 WHERE ROWID=1')
connection.commit()
def copy_file_with_warn() :
file_name = os.path.basename(in_file)
warn_dir = os.path.join(mce_dir, 'Warnings', '')
warn_name = os.path.join(warn_dir, file_name)
if not os.path.isdir(warn_dir) : os.mkdir(warn_dir)
# Check if same file already exists
if os.path.isfile(warn_name) :
with open(warn_name, 'br') as file :
if adler32(file.read()) == adler32(reading) : return
warn_name += '_%d' % cur_count
shutil.copyfile(in_file, warn_name)
def save_mc_file(mc_path, mc_data, mc_chk) :
if os.path.isfile(mc_path) :
with open(mc_path, 'rb') as mc_dup : dup_data = mc_dup.read()
if mc_data == dup_data : return
mc_path = '%s_%0.8X.bin' % (mc_path[:-4], mc_chk)
with open(mc_path, 'wb') as mc_file : mc_file.write(mc_data)
def mc_upd_chk_intel(mc_upd_chk_rsl, in_pl_bit, in_rel, in_ver, in_mod) :
is_latest = True
mc_latest = None
for entry in mc_upd_chk_rsl :
db_day = entry[0][6:8]
db_month = entry[0][4:6]
db_year = entry[0][:4]
db_pl_val = int(entry[1], 16)
db_pl_bit = intel_plat(int(entry[1], 16))
db_ver = int(entry[2], 16)
db_rel = 'PRE' if ctypes.c_int(db_ver).value < 0 else 'PRD'
# Same Release, Same or more Platform IDs, Newer Date, Same Date but more Platform IDs or Newer Version (not for -last)
if in_rel == db_rel and set(in_pl_bit).issubset(db_pl_bit) and \
((year < db_year or (year == db_year and (month < db_month or (month == db_month and day < db_day)))) or
((year,month,day) == (db_year,db_month,db_day) and (len(in_pl_bit) < len(db_pl_bit) or in_ver < db_ver) and not param.get_last)) :
is_latest = False
mc_latest = [cpu_id, db_pl_val, db_ver, db_year, db_month, db_day, db_rel]
if in_mod == 1 : is_latest = False # Modded input microcodes should not be shown as Latest
return is_latest, mc_latest
def mc_upd_chk_amd(mc_upd_chk_rsl, in_ver, in_mod) :
is_latest = True
mc_latest = None
for entry in mc_upd_chk_rsl :
db_day = entry[0][6:8]
db_month = entry[0][4:6]
db_year = entry[0][:4]
db_ver = int(entry[1], 16)
# Newer Date, Same Date but Newer Version (not for -last)
if (year < db_year or (year == db_year and (month < db_month or (month == db_month and day < db_day)))) \
or ((year,month,day) == (db_year,db_month,db_day) and in_ver < db_ver and not param.get_last) :
is_latest = False
mc_latest = [cpu_id, db_ver, db_year, db_month, db_day]
if in_mod == 1 : is_latest = False # Modded input microcodes should not be shown as Latest
return is_latest, mc_latest
def build_mc_repo(vendor, mc_name) :
repo_dir = os.path.join(mce_dir, 'Repo_%s' % vendor, '')
if not os.path.isdir(repo_dir) : os.mkdir(repo_dir)
shutil.copyfile(in_file, repo_dir + mc_name + '.bin')
def mc_table(row_col_names,header,padd) :
pt = pltable.PrettyTable(row_col_names)
pt.set_style(pltable.UNICODE_LINES)
pt.xhtml = True
pt.header = header # Boolean
pt.left_padding_width = padd
pt.right_padding_width = padd
pt.hrules = pltable.ALL
pt.vrules = pltable.ALL
pt_empty = str(pt)
return pt,pt_empty
def display_sql(cursor,title,header,padd):
rows = cursor.fetchall()
if not rows : return
sqlr = pltable.PrettyTable()
sqlr.set_style(pltable.UNICODE_LINES)
sqlr.xhtml = True
sqlr.header = header # Boolean
sqlr.left_padding_width = padd
sqlr.right_padding_width = padd
sqlr.hrules = pltable.ALL
sqlr.vrules = pltable.ALL
sqlr.title = title
row_id = -1
for name in [cn[0].upper() for cn in cursor.description]:
row_id += 1
sqlr.add_column(name, [row[row_id] for row in rows])
print('\n%s' % sqlr)
def mce_hdr(hdr_title) :