mirror of
https://github.com/drasko/codezero.git
synced 2026-01-13 03:13:15 +01:00
d2aa9a552b
Tasks boot fine up to doing ipc using their utcbs. UTCB PLAN: - Push ipc registers into private environment instead of a shared utcb, but map-in a shared utcb to pass on long data to server tasks. - Shared utcb has unique virtual address for every thread. - Forked child does inherit parent's utcb, but cannot use it to communicate to any server. It must explicitly obtain its own utcb for that. - Clone could have a flag to explicitly not inherit parent utcb, which is the right thing to do. - MM0 serves a syscall to obtain self utcb. - By this method, upon forks tasks don't need to map-in a utcb unless they want to pass long data.