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

[Avi Kivity <avi@redhat.com>]

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