Quick i386 question...

John Baldwin jhb at freebsd.org
Mon Nov 22 14:53:36 UTC 2010


On Saturday, November 20, 2010 3:38:58 pm Sergio Andrés Gómez del Real wrote:
> If received an interrupt while in protected-mode and paging enabled,
> is linear address from IDT stored at the idtr translated using the
> paging-hierarchy structures?
> I have looked at the interrupt/exception chapter in the corresponding
> Intel manual but can't find the answer. Maybe I overlooked.

Yes.  A linear address is the flat virtual address after segments are taken 
into account.  It is the address used as an input to the paging support in the 
MMU.

-- 
John Baldwin


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