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README.md

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                             Version 0.9.9
                 Copyright (c) 2015-2016 Saul St John
                          http://thundergate.io

Introduction

ThunderGate is a collection of tools for the manipulation of Tigon3 Gigabit Ethernet controllers, with special emphasis on the Broadcom NetLink 57762, such as is found in Apple Thunderbolt Gigabit Ethernet adapters.

Tigon3 controllers contain a variety of architectural blocks, including a PCI endpoint, an 802.3 media access controller, on-chip ram, DMA read and write engines, nonvolatile storage, and one or more MIPS processors.

These features are exposed by ThunderGate through an easy-to-use Python interface, allowing for reverse engineering, development, and deployment of custom firmware and applications. Examples provided include a userspace VFIO tap driver, a firmware application capable of monitoring and manipulating network traffic and host memory, and a PCI option rom containing an EFI boot services driver which can either inhibit the employ or compromise the effectivity of Intel I/O MMU address translation (VT-d).

Warning

This is experimental software made available to you under the terms of the GPLv3. You assume all risks in using it. Please refer to the COPYING file for details.

Further Reading

Additionally, an old report describing an older version of this project can be found at http://thundergate.io/tg_old.pdf.

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an open source toolkit for PCI bus exploration

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