Re: [Qemu-devel] [PATCH v1 3/4] hw: Deduce the default machine from the specified CPU model

[Peter Maydell]

On 28 August 2012 13:58, Paul Brook <address@hidden> wrote:
> Peter Maydell wrote:
>> Just to pick an obvious example, you can't stick a core
>> which supports VFPv4 (the A15 is the only one we have) into
>> the integratorcp
>
> Yes you can.

No you can't. integratorcp.c doesn't create the parts of the CPU
which live in QEMU's 'a15mpcore_priv' device, so the resulting
mess is liable to just fall over. If anybody reports bugs in
QEMU in such a configuration I will tell them to go away and
use a supported configuration instead.

At some point when we complete the QOM conversion the board
will be instantiating a single object which has both the A15
cores and the builtin peripherals. However when that happens
I would expect the QOM-objects for 926 and A15 not to be
interchangeable, for the same reason that a physical h/w
926 and A15 aren't interchangeable -- they have different
sets of connections to the outside world, and you can't
just stuff one chip into a socket intended for the other.

-- PMM