Re: Need help about L4_KernelInterface()
"Neal H. Walfield" <[email protected]> Wed, 03 Sep 2008 11:04:07 +0200
| Newsgroups | gmane.comp.micro-kernel.l4.l4ka.general |
|---|---|
| Message-ID | <87k5dtk3co.wl%[email protected]> |
lock;nop is not a valid x86 instruction. Executing it raises an exception. A kernel is able to detect such invalid instruction sequences. Pistachio recognizes this sequence as "execute the L4_KernelInterface system call".