Re: [Qemu-devel] [PATCH] Target-arm: Add the Cortex-M4 CPU

[Peter Maydell]

On 28 May 2015 at 22:22, Liviu Ionescu <address@hidden> wrote:
>
>> On 29 May 2015, at 00:09, Aurelio C. Remonda <address@hidden> wrote:
>> All we'd have to do is add the ARM_FEATURE_VFP4 to the initfn.
>
> if it is that simple, why don't we add it in for now?

It's not -- the FPU needs support in the exception handling
(lazy FPU saving is particularly interesting, but there's also
a bunch of minor stuff like "expose the FPU version registers
as memory mapped regs" IIRC).

-- PMM