<j`ey>
yes I really need to get better with ftrace :P
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<millenialhacker>
does anyone has idea what this range is used for 0x23B700000 - 0x23B78C000. I see a lot of noise coming from this area and ADT seems to point these register are used for performance, error and log reporting, but I want to get some inputs from you.
<millenialhacker>
sven, marcan: there's any way I can know the vma of a given phy address?
<millenialhacker>
like reverse translation
<sven>
uh, from inside the hypervisor? and what are you trying to do?
<millenialhacker>
I know the physical addresses of some registers, but not their virtual address
<millenialhacker>
which is kind of useless xD
<sven>
why do you need their virtual address?
<sven>
virt -> phys is easy but phys -> virt will probably require you to write some XNU pagetable walking. but chances are you don't need to do that depending on what you're trying to do
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<opticron>
there could also be multiple mappings to the same location
<millenialhacker>
thanks!
<millenialhacker>
I'm 99% sure that ISP doesn't use Mailbox or ASC RTKit stuff
<millenialhacker>
but it has some interesting stuff related to I2C/GPIO and ANE. I feel I was going in the wrong direction all this time. but at least that's some progress, isn't?
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<millenialhacker>
Ok, I was wrong. RTKIT 1827.100.26 :(
<sven>
RTKit is just Apple's custom real-time OS fwiw
<sven>
iirc airtags run it too
<sven>
just because it runs rtkit doesn't mean it speaks the thing we call "RTKit protocol" over that thing we call "ASC mailbox"
<millenialhacker>
sven: what's is SMPI?
<sven>
do you mean SPMI?
<millenialhacker>
yes, that one, sorry
<sven>
"system power management interface protocol"
<sven>
(or something like that)
<millenialhacker>
I was looking with SMPI in google and I didn't found
<millenialhacker>
typo was also in my search query :S
<sven>
it happens :-)
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<nicolas17>
airpods run rtkit too, dunno if as main OS or in a bluetooth coprocessor but still