- Implement arm_mask_irqs and arm_unmask_irqs
- Provide the available physical address range after pmap_bootstrap allocated
things, instead or before, or bad things happen.
It only supports sa1110 (on simics) right now, but xscale support should come
soon.
Some of the initial work has been provided by :
Stephane Potvin <sepotvin at videotron.ca>
Most of this comes from NetBSD.