ChanServ changed the topic of #asahi-re to: Asahi Linux: porting Linux to Apple Silicon macs | Hardware / boot process / firmware interface reverse engineering | WARNING: this channel (only) may contain binary reverse engineering discussion | RE policy: https://alx.sh/re (MANDATORY READ) | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Logs: https://alx.sh/l/asahi-re
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<amarioguy> damn probably going to need to write a kext soon that intercepts *every* shared mem write from AP side
<amarioguy> the messages definitely do not contain things like the CRC of the lockers - the fact that SEP can validate it without it in the message almost certainly implies there's a shmem write on AP side with the locker
<sven> no need to write a kext, just look at the shmem at the time the message is sent/received
<sven> that's the only signal SEP gets as well
<amarioguy> ah right
<amarioguy> i was actually trying to copy the gigalocker from the xart partition (so i can verify some of the init things) but macos kept denying the operation even with sudo permissions :/
<amarioguy> probably should try to do it from recoveryos or smth
<sven> and finding that shmem is also easy because it has to be mapped inside the DART and iovas are very suspicious in the messages
<sven> no, macos won't ever allow access
<sven> I got mine by just dumping the partition from linux (or maybe m1n1)
<sven> and iirc then I put it into a .dmg and opened it with macos or something
<amarioguy> ah fair, probably should try from linux
<amarioguy> yes!!
<amarioguy> got the gl file
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