Utcb in syscall
"watermirror" <[email protected]>
| Newsgroups | gmane.comp.micro-kernel.l4.devel,gmane.spam.detected |
|---|---|
| Message-ID | <[email protected]> |
hi ,in sys_ipc_wrapper, the code first get the current thread's syscall entry frame: .... Thread *curr=current_thread(); Syscall_frame *f = curr-regs(); ... according to the Syscall_frame's implemention, it can get the Utcb by Syscall_frame::utcb(). but the following code get the Utcb in another way: Utcb *utcb = curr->utcb().access(true); what's the difference between those two Utcb? _______________________________________________ l4-hackers mailing list [email protected] http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers