maybe a stupid question

[josemx]

hi

like everybody here i'm trying to develop my own os
and i have some questions if anyone can help its greatly appreciated

its posible to implement something like ring0,ring3 in software?
or using the ring0 and ring3 with paging and those ring have subrings or
something like that

please if anybody knows example code or papers please reply
thx!

-
s-f-m-b-e

[Adek336]

ha, I have not heard of something like that. I can see one way to apply protection: give each process its own address space, kernel is given CPU PL# 0 and the user app CPU PL# 3. But if you create some new method, post your results.

Cheers,
Adrian.