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Portwell EFI BIOS Extractor v1.0
Parses Portwell UEFI Unpacker EFI images (usually named "Update.efi"), extracts their SPI/BIOS/UEFI/EC firmware components and shows all relevant info. It supports all Portwell UEFI Unpacker revisions and formats, including those which contain Tiano compressed files. The output comprises only final firmware components and utilities which are directly usable by end users.
This commit is contained in:
Plato Mavropoulos
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fe05f05cdb
2 changed files with 256 additions and 3 deletions
174
Portwell EFI BIOS Extractor/Portwell_EFI_Extract.py
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174
Portwell EFI BIOS Extractor/Portwell_EFI_Extract.py
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#!/usr/bin/env python3
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#coding=utf-8
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"""
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Portwell EFI Extract
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Portwell EFI BIOS Extractor
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Copyright (C) 2021 Plato Mavropoulos
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"""
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title = 'Portwell EFI BIOS Extractor v1.0'
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print('\n' + title) # Print script title
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import sys
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# Detect Python version
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sys_ver = sys.version_info
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if sys_ver < (3,7) :
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sys.stdout.write('\n\nError: Python >= 3.7 required, not %d.%d!\n' % (sys_ver[0], sys_ver[1]))
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(raw_input if sys_ver[0] <= 2 else input)('\nPress enter to exit') # pylint: disable=E0602
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sys.exit(1)
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import os
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import pefile
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import shutil
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import ctypes
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import argparse
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import traceback
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import subprocess
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# Pause after any unexpected Python exception
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# https://stackoverflow.com/a/781074 by Torsten Marek
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def show_exception_and_exit(exc_type, exc_value, tb) :
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if exc_type is KeyboardInterrupt :
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print('\n')
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else :
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print('\nError: %s crashed, please report the following:\n' % title)
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traceback.print_exception(exc_type, exc_value, tb)
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input('\nPress enter to exit')
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sys.exit(1)
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# Set pause-able Python exception handler
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sys.excepthook = show_exception_and_exit
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# Set console/shell window title
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user_os = sys.platform
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if user_os == 'win32' : ctypes.windll.kernel32.SetConsoleTitleW(title)
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elif user_os.startswith('linux') or user_os == 'darwin' or user_os.find('bsd') != -1 : sys.stdout.write('\x1b]2;' + title + '\x07')
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# Set argparse Arguments
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efi_parser = argparse.ArgumentParser()
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efi_parser.add_argument('efi', type=argparse.FileType('r'), nargs='*')
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efi_parser.add_argument('-p', '--path', help='parse files within given folder', type=str)
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efi_params = efi_parser.parse_args()
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# Get all files within path
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def get_files(path) :
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inputs = []
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for root, _, files in os.walk(path):
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for name in files :
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inputs.append(os.path.join(root, name))
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return inputs
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if len(sys.argv) >= 2 :
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if bool(efi_params.path) :
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efi_exec = get_files(efi_params.path) # CLI with --path
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else :
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efi_exec = []
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for executable in efi_params.efi :
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efi_exec.append(executable.name) # Drag & Drop
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else :
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in_path = input('\nEnter the full folder path: ')
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efi_exec = get_files(in_path) # Direct Run
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# Portwell UEFI Unpacker File Names (v1.1 - v1.2)
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file_names = {0 : 'Flash.efi', 1 : 'Fparts.txt', 2 : 'Update.nsh', 3 : 'Temp.bin', 4 : 'SaveDmiData.efi'}
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# Process each input Portwell EFI Update Package
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for input_file in efi_exec :
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input_name,input_extension = os.path.splitext(os.path.basename(input_file))
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input_dir = os.path.dirname(os.path.abspath(input_file))
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print('\n*** %s%s' % (input_name, input_extension))
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# Check if input file exists
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if not os.path.isfile(input_file) :
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print('\n Error: This input file does not exist!')
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continue # Next input file
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with open(input_file, 'rb') as in_file : input_data = in_file.read()
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try :
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assert input_data[0x0:0x2] == b'\x4D\x5A' # EFI images start with DOS Header MZ
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pe = pefile.PE(input_file, fast_load=True) # Analyze EFI Portable Executable (PE)
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payload_data = input_data[pe.OPTIONAL_HEADER.SizeOfImage:] # Skip EFI executable (pylint: disable=E1101)
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assert payload_data[0x0:0x4] == b'\x3C\x55\x55\x3E' # Portwell EFI files start with <UU>
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except :
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print('\n Error: This is not a Portwell EFI Update Package!')
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continue # Next input file
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output_path = os.path.join(input_dir, '%s%s' % (input_name, input_extension) + '_extracted') # Set extraction directory
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if os.path.isdir(output_path) : shutil.rmtree(output_path) # Delete any existing extraction directory
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os.mkdir(output_path) # Create extraction directory
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pack_tag = 'UEFI Unpacker' # Initialize Portwell UEFI Unpacker tag
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# Get Portwell UEFI Unpacker tag
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for s in pe.sections :
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if s.Name.startswith(b'.data') : # Unpacker Tag, Version, Strings etc are found in .data PE section
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# Decode any valid UTF-16 .data PE section info to a parsable text buffer
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info = input_data[s.PointerToRawData:s.PointerToRawData + s.SizeOfRawData].decode('utf-16','ignore')
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# Search .data for UEFI Unpacker tag
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pack_tag_off = info.find('UEFI Unpacker')
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if pack_tag_off != -1 :
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pack_tag_len = info[pack_tag_off:].find('=')
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if pack_tag_len != -1 :
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# Found full UEFI Unpacker tag, store and slightly beautify the resulting text
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pack_tag = info[pack_tag_off:pack_tag_off + pack_tag_len].strip().replace(' ',' ').replace('<',' <')
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break # Found PE .data section, skip the rest
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print('\n Portwell %s' % pack_tag) # Print Portwell UEFI Unpacker tag
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efi_files = payload_data.split(b'\x3C\x55\x55\x3E')[1:] # Split EFI Payload into <UU> file chunks
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# Parse each EFI Payload File
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for i in range(len(efi_files)) :
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file_data = efi_files[i] # Store EFI File data
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if len(file_data) == 0 or file_data == b'NULL' : continue # Skip empty/unused files
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is_known = i in file_names # Check if EFI file is known & Store result
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file_name = file_names[i] if is_known else 'Unknown_%d.bin' % i # Assign Name to EFI file
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print('\n %s' % file_name) # Print EFI file name, indicate progress
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if not is_known : input('\n Note: Detected unknown Portwell EFI file with ID %d!' % i) # Report new EFI files
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file_path = os.path.join(output_path, file_name) # Store EFI file output path
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with open(file_path, 'wb') as o : o.write(file_data) # Store EFI file data to drive
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# Attempt to detect EFI/Tiano Compression & Decompress when applicable
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if int.from_bytes(file_data[0x0:0x4], 'little') + 0x8 == len(file_data) :
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try :
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comp_fname = file_path + '.temp' # Store temporary compressed file name
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os.replace(file_path, comp_fname) # Rename initial/compressed file
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subprocess.run(['TianoCompress', '-d', comp_fname, '-o', file_path, '--uefi', '-q'], check = True, stdout = subprocess.DEVNULL)
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if os.path.getsize(file_path) != int.from_bytes(file_data[0x4:0x8], 'little') : raise Exception('EFI_DECOMP_ERROR')
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os.remove(comp_fname) # Successful decompression, delete initial/compressed file
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except :
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print('\n Error: Could not extract file %s via TianoCompress!' % file_name)
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input(' Make sure that "TianoCompress" executable exists!')
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print('\n Extracted Portwell EFI Update Package!')
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input('\nDone!')
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sys.exit(0)
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85
README.md
85
README.md
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<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=DJDZD3PRGCSCL"><img border="0" title="BIOS Utilities Donation via Paypal or Debit/Credit Card" alt="BIOS Utilities Donation via Paypal or Debit/Credit Card" src="https://user-images.githubusercontent.com/11527726/109392268-e0f68280-7923-11eb-83d8-0a63f0d20783.png"></a>
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* [**Dell PFS BIOS Extractor**](#dell-pfs-bios-extractor)
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* [**AMI UCP BIOS Extractor**](#ami-ucp-bios-extractor)
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* [**AMI BIOS Guard Extractor**](#ami-bios-guard-extractor)
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* [**Phoenix SCT BIOS Extractor**](#phoenix-sct-bios-extractor)
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* [**Portwell EFI BIOS Extractor**](#portwell-efi-bios-extractor)
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* [**Panasonic BIOS Update Extractor**](#panasonic-bios-update-extractor)
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* [**VAIO Packaging Manager Extractor**](#vaio-packaging-manager-extractor)
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* [**Fujitsu SFX Packager Extractor**](#fujitsu-sfx-packager-extractor)
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* [**Award BIOS Module Extractor**](#award-bios-module-extractor)
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* [**Apple EFI Sucatalog Link Grabber**](#apple-efi-sucatalog-link-grabber)
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* [**Apple EFI File Renamer**](#apple-efi-file-renamer)
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* [**Apple EFI IM4P Splitter**](#apple-efi-im4p-splitter)
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* [**Apple EFI Package Extractor**](#apple-efi-package-extractor)
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## **Dell PFS BIOS Extractor**
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@ -231,6 +245,71 @@ Some Anti-Virus software may claim that the built/frozen/compiled executable con
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## **Portwell EFI BIOS Extractor**
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#### **Description**
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Parses Portwell UEFI Unpacker EFI images (usually named "Update.efi"), extracts their SPI/BIOS/UEFI/EC firmware components and shows all relevant info. It supports all Portwell UEFI Unpacker revisions and formats, including those which contain Tiano compressed files. The output comprises only final firmware components and utilities which are directly usable by end users.
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#### **Usage**
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You can either Drag & Drop or manually enter the full path of a folder containing Portwell UEFI Unpacker EFI images. Optional arguments:
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* -h or --help : show help message and exit
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* -p or --path : parse files within given folder
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#### **Download**
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An already built/frozen/compiled binary is provided by me for Windows only. Thus, **you don't need to manually build/freeze/compile it under Windows**. Instead, download the latest version from the [Releases](https://github.com/platomav/BIOSUtilities/releases) tab. To extract the already built/frozen/compiled archive, you need to use programs which support RAR5 compression. Note that you need to manually apply any prerequisites.
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#### **Compatibility**
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Should work at all Windows, Linux or macOS operating systems which have Python 3.7 support. Windows users who plan to use the already built/frozen/compiled binary must make sure that they have the latest Windows Updates installed which include all required "Universal C Runtime (CRT)" libraries.
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#### **Prerequisites**
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To run the python script, you need to have the following 3rd party Python module installed:
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* [pefile](https://pypi.org/project/pefile/)
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> pip3 install pefile
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To run the python script or its built/frozen/compiled binary, you need to additionally have the following 3rd party tool at the same directory:
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* [TianoCompress](https://github.com/tianocore/edk2/tree/master/BaseTools/Source/C/TianoCompress/) (i.e. [TianoCompress.exe](https://github.com/tianocore/edk2-BaseTools-win32/))
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#### **Build/Freeze/Compile with PyInstaller**
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PyInstaller can build/freeze/compile the utility at all three supported platforms, it is simple to run and gets updated often.
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1. Make sure Python 3.7.0 or newer is installed:
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> python --version
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2. Use pip to install PyInstaller:
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> pip3 install pyinstaller
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3. Use pip to install pefile:
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> pip3 install pefile
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4. Build/Freeze/Compile:
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> pyinstaller --noupx --onefile Portwell_EFI_Extract.py
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At dist folder you should find the final utility executable
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#### **Anti-Virus False Positives**
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Some Anti-Virus software may claim that the built/frozen/compiled executable contains viruses. Any such detections are false positives, usually of PyInstaller. You can switch to a better Anti-Virus software, report the false positive to their support, add the executable to the exclusions, build/freeze/compile yourself or use the Python script directly.
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#### **Pictures**
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## **Apple EFI Sucatalog Link Grabber**
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@ -445,9 +524,9 @@ Should work at all Windows operating systems which have Python 3.7 support. Wind
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#### **Prerequisites**
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To run the python script, you need to have the following 3rd party Python modules installed:
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To run the python script, you need to have the following 3rd party Python module installed:
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* [PEfile](https://pypi.python.org/pypi/pefile/)
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* [pefile](https://pypi.org/project/pefile/)
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> pip3 install pefile
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> pip3 install pyinstaller
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3. Use pip to install PEfile:
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3. Use pip to install pefile:
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> pip3 install pefile
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