Re: [Qemu-devel] [PATCH] improve emulation correctness

[poletaev]

Thank you for attention :)
This patch not needed, according to QEMU dev policy, and so I will not sent
it any more. 
I found another defect, and it not related with undefined flags.

-----Original Message-----
From: Stefan Hajnoczi [mailto:address@hidden 
Sent: Friday, May 02, 2014 1:09 PM
To: poletaev
Cc: address@hidden
Subject: Re: [Qemu-devel] [PATCH] improve emulation correctness

On Thu, Apr 24, 2014 at 12:35:24PM +0400, poletaev wrote:
> There is a set of test, that checks QEMU CPU for similar behavior with 
> real hardware (http://roberto.greyhats.it/projects/pills.html). Test 
> reg/pill2579.c can detect, that program is execute in emulated
environment.
> It is related with behavior of rcl instruction. If the number of 
> shifted bits more than 1, OF of eflags become undefined. Real CPUs 
> does not change OF, if it is undefined. QEMU do it anyway.
> 
> Emulated program can execute that test and after that can understand 
> environment not real.
> 
>  
> 
> Signed-off-by: Dmitry Poletaev <address@hidden>

I see you resent the patch and it received attention the second time :).

Stefan