> The real tragedy is the proprietary bootcode.bin gpu code that is a blackbox and we don't have the source code for. The Pi firmware is ThreadX, later bought

> The real tragedy is the proprietary bootcode.bin gpu code that is a blackbox and we don't have the source code for. The Pi firmware is ThreadX, later bought by Microsoft and renamed Azure RTOS. It is now FOSS. https://www.theregister.com/2023/11/28/microsoft_opens_sources_threadx/ https://www.theregister.com/2023/11/28/microsoft_opens_sourc... That does not mean the whole Pi firmware is automatically FOSS -- drivers are not -- but they could if they wanted.