On Mon, Oct 01, 2012 at 01:53:26PM +0100, Dave Martin wrote:

A good starting point would be load/store emulation as this seems to be a
common theme, and we would need a credible deployment for any new
framework so that we know it's fit for purpose.

Probably not actually, that code is written to be fast, because things
like IP stack throughput depend on it - particularly when your network
card can only DMA packets to 32-bit aligned addresses (resulting in
virtually all network data being misaligned.)