Re: [Qemu-devel] [PATCH v4 3/3] Minimal ARM LPAE support.

[Peter Maydell]

On 15 March 2012 15:31, Avi Kivity <address@hidden> wrote:
> On 03/15/2012 05:24 PM, Peter Maydell wrote:
>> On 15 March 2012 15:20, Avi Kivity <address@hidden> wrote:
>> > Please add code that detects the use of unimplemented features and
>> > aborts
>>
>> I'm not a great fan of letting the guest cause QEMU to abort...
>
> Why not?  It (the guest) is going to malfunction anyway.

It would be cleaner to cause the guest to take an exception
IMHO. (This is typically what ought to happen anyway if the
guest accesses an unimplemented cp15 register, although our
current mess has a habit of underdecoding these things.)

-- PMM