Re: [Qemu-devel] [PATCH 02/10 v11] linux-user: Support tilegx architecture in linux-user

[Richard Henderson]

On 06/03/2015 05:34 AM, Peter Maydell wrote:
> You must do something. You can't allow guest code (even
> broken guest code) to make QEMU assert. You need to find
> out what the hardware does here, and do that.

These are I/O registers for IPC.

I believe that the best thing to do is assume protection
is enabled at the "kernel" level, and thus raise the
appropriate exception: SN_ACCESS, IDN_ACCESS, UDN_ACCESS.

That said, I don't have the system architecture manual
handy to check the full details.


r~