Re: [Qemu-devel] [RFC] Memory API

[Avi Kivity]

On 05/18/2011 06:26 PM, Avi Kivity wrote:
> > This is about registration.  Right now you can only register IO 
> > intercepts in the chipset, not on a per-CPU basis.  We could just as 
> > easily have:
> >
> > CPUState {
> >     MemoryRegion apic_region;
> > };
> >
> > per_cpu_register_memory(env, &env->apic_region);
>
>
> Right.  Or all memory per-cpu, with two sub-regions:
>
>  - global memory
>  - overlaid apic memory
>
> for this, we need to have well defined semantics for overlap (perhaps 
> a priority argument to memory_region_add_subregion).

Or even

cpu_memory_region
  |
  +-- global memory map (prio 0)
  |    |
  |    +-- RAM (prio 0)
  |    |
  |    +-- PCI (prio 1)
  |
  +-- SMM memory (if active, prio 1)
  |
  +-- APIC memory (if active, prio 2)

--
error compiling committee.c: too many arguments to function