Re: [Qemu-devel] Guest SIGILL when different IO is implemented

[Paolo Bonzini <pbonzini@redhat.com>]

On 12/05/2017 09:26, Miltiadis Hatzimihail wrote:
> I ve tried the same today using a 32-bit Guest OS and the illegal
> instruction this time is
> 
> fstps %(ecx)
> 
> Is it a similar case to the movss one? (the previous Guest I was using
> was 64 bit).

Yes, it is.

Paolo

> Also, I had to start QEMU using the following command line options:
> 
> qemu -cpu host,-sse2 
> 
> because one my programs was giving me an illegal instruction based on
> the above and it worked by disabling it.
> 
> ​Regards
> Milton
> 
> On Thu, May 11, 2017 at 2:12 PM, Miltiadis Hatzimihail
> <hatzimiltos@gmail.com <mailto:hatzimiltos@gmail.com>> wrote:
> 
>     Ok many thanks for your help.
> 
>     ​Milton
> 
>     On Thu, May 11, 2017 at 2:11 PM, Paolo Bonzini <pbonzini@redhat.com
>     <mailto:pbonzini@redhat.com>> wrote:
> 
> 
> 
>         On 11/05/2017 14:47, Miltiadis Hatzimihail wrote:
>         > That's great thanks for the clarification.
>         >
>         > Is this patch going to make it to the mainline at some point?
> 
>         Not exactly as is, because it has a small defect (it always reads 16
>         bytes from memory), but something like that will.
> 
>         Paolo
> 
> 
>