Re: [Qemu-devel] emulation details of qemu

[tutu sky]

Thanks a lot Stefan,
But if i want to change the content of a register during run time in debug 
mode, what should i do? is it possible at first?

Regards.
________________________________________
From: Stefan Hajnoczi <address@hidden>
Sent: Tuesday, April 26, 2016 9:31 AM
To: tutu sky
Cc: address@hidden
Subject: Re: [Qemu-devel] emulation details of qemu

On Sat, Apr 23, 2016 at 06:36:39AM +0000, tutu sky wrote:
> I want to know that is it possible to access registers or micro-architectural 
> part of a core/cpu in qemu during run time?

Yes.  How and to what extent depends on whether you are using TCG, KVM,
or TCI.  QEMU also has gdbstub support so you can single-step execution
and access CPU registers.

Stefan