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xen-devel
On 3/4/07 02:57, "Liu, Huahang" <huahang.liu@xxxxxxxxx> wrote:
> Basically, I am interested about the following address:
> 0xFFFE0000 to 0xFFFF0000
>
> I want to know is there already any handlers for this area.
>
> If yes, where is the handler and what does it do?
There's no MMIO that close to the 4GB boundary. The last handler is at
0xfee00000, for the virtual IO-APIC.
> If no, how to add one?
See numerous examples (e.g., vlapic.c , vioapic.c) for how to add a handler
inside Xen.
-- Keir
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