I only skimmed this but if I understand correctly the CPU needs to be in debug mode to access these instructions right? If so then it's hard to see why the aut

I only skimmed this but if I understand correctly the CPU needs to be in debug mode to access these instructions right? If so then it's hard to see why the authors present these instructions as dangerous - I imagine once the CPU is in debug mode you would have unfettered access to the system even without these instructions. (not that it isn't still interesting!)