Hm, interesting. I can't seem to find my source anylonger either. The wording "kernel" does suggest to me that this is about a check a bootloader performs. If y

Hm, interesting. I can't seem to find my source anylonger either. The wording "kernel" does suggest to me that this is about a check a bootloader performs. If you were to boot another OS, you'd probably have a different boot loader as well. This tweet https://twitter.com/never_released/status/1332436771020435457 https://twitter.com/never_released/status/133243677102043545... from the same author suggests M1 is "not any more locked down than [...] Intel", so I'm not fully sure about the technical details, but in the end you should be able to boot your own code.