Edit Infobox WiiU Homebrews: Drxtool Wii U

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<!--bin: release post--> <!--date: release post--> {{lowercase title}} drxtool allows you to extract, modify, and rebuild DRC (GamePad) and DRH (host) firmware binaries, including actual firmware (e.g. drc_fw.bin, drh_fw.bin) as well as language data (lang_00.bin, etc.). This subsequently allows for firmware RE and patching, switching out graphics, enabling debug modes, etc. == User guide == '''Extraction:''' * Drag and drop a binary onto drxtool to extract it to [filename]_extracted. * The extracted content will be split into its components, including separate sections for firmwares. * Language files are consolidated due to varying layouts per firmware version. '''Rebuilding:''' * Drop an extracted folder onto drxtool to rebuild it into [foldername].bin. In both cases, drxtool can be invoked from command line/terminal for additional debug output. This has been tested and is working on all DRC, DRH, and language data dating back to the very first external beta builds for near-final GamePad hardware (v16, though v15 likely ran on this hardware as well). Earlier hardware uses a different update format (the hw has all likely been destroyed by now.) For flashing binaries with ios-level hax, adjust the first big-endian u32 in blob_header.bin by incrementing it by 1, and modify the version in app.xml. Updating VER_.bin is unnecessary, as the GamePad and drh are indifferent to their versions; only IOS matters. Other update methods include potentially using libdrc to push an update directly to the GamePad (remove the first 0x10, a big-endian header used by IOS), or writing the payload directly to the serial EEPROM (remove the first 0x10+0x1000+0x4000), which is useful for unbricking. == Changelog == '''v2.0 2016/12/14''' * Initial public release. '''v1.0 2016/08/10''' * It lives! == External links == * GBAtemp - https://gbatemp.net/threads/release-drxtool-gamepad-drh-firmware-hacking-utility.453143/