In message [EMAIL PROTECTED] Matthew Dillon writes:
: It's getting clean enough that you can almost understand the interrupt
: code :-)
Cool. That's one part of the kernel that I've not quite fully
understood. I always figured there was something I was missing about
the code and why
:
:In message [EMAIL PROTECTED] Matthew Dillon writes:
:: It's getting clean enough that you can almost understand the interrupt
:: code :-)
:
:Cool. That's one part of the kernel that I've not quite fully
:understood. I always figured there was something I was missing about
:the code
I understand why interrupts use the doreti mechanism. I don't understand
why the syscall interface traps have to use it. As far as I can tell,
the cpl stuff does not have to be checked at all, the spl does not have
to be set to 0 (it damn well better already be 0!), pending
