fix mmu enable
fixup debugging statements
clean guest objs on make clean
more verbose messages on prefect/data abort
debug print macro in guest-driver
use linker for secondary stack space
increase phys mem from 128K to 2M
fix comment in guest-smp.S
fix some printf to debug
fixup irq and abort handlers to use svc mode
fixup secondary pen and debug msg
ack/eoi irqs
remove old comment and debug
wip
Fix page table cache cleaning bug

This one was less trivial...
properly receive IPIs on secondary core
wip2
Fix IPI test to be comparable to x86