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* amarioguy
is attempting to decode what the xART messages mean
<amarioguy>
xnu single user mode is definitely helpful for this lol
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<amarioguy>
man the mmio tracing here is having me take a lot of disorganized notes lol
<amarioguy>
(not complaining or anything just a really interesting experience)
<amarioguy>
HW:SEP should be updated again by end of today
* amarioguy
ponders why HDCP endpoint is turned on then off then on again
<amarioguy>
(this is explicitly printed in xnu bootlog btw)
<amarioguy>
sven - btw why are there two different definitions of SEPMessage in the tracer? was that part of that "secondary" IPC you were talking about before
<amarioguy>
esp. since it seems only the "SEPMessage" is used in practice
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<amarioguy>
(note: SKS uses the other kind of message, just found that out now
<amarioguy>
okay lot of interesting findings about xART init (one big one is that the "tag" when fetching xART lockers seems to increase incrementally the more lockers it finds), i need to process this a bit more tomorrow but otherwise felt great doing the mmio tracing