From: "Alex Bennée" <alex.bennee@linaro.org>
To: tutu sky <ooohooo_u@hotmail.com>
Cc: Stefan Hajnoczi <stefanha@gmail.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] emulation details of qemu
Date: Thu, 28 Apr 2016 19:45:59 +0100 [thread overview]
Message-ID: <87h9elefmg.fsf@linaro.org> (raw)
In-Reply-To: <HE1PR05MB13084A83E58676B697183E798D650@HE1PR05MB1308.eurprd05.prod.outlook.com>
tutu sky <ooohooo_u@hotmail.com> writes:
> 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?
Using the gdbstub sure you can change the register values when the
machine is halted.
>
> Regards.
> ________________________________________
> From: Stefan Hajnoczi <stefanha@gmail.com>
> Sent: Tuesday, April 26, 2016 9:31 AM
> To: tutu sky
> Cc: qemu-devel@nongnu.org
> 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
--
Alex Bennée
next prev parent reply other threads:[~2016-04-28 18:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-23 6:36 [Qemu-devel] emulation details of qemu tutu sky
2016-04-26 9:31 ` Stefan Hajnoczi
2016-04-28 10:48 ` tutu sky
2016-04-28 18:45 ` Alex Bennée [this message]
2016-04-29 10:56 ` tutu sky
2016-04-29 12:22 ` Alex Bennée
2016-04-29 12:39 ` tutu sky
2016-04-29 15:08 ` Alex Bennée
2016-04-29 15:24 ` tutu sky
2016-04-29 18:26 ` Alex Bennée
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