> -----Origin email-----
> From: Peter Maydell <peter.mayd...@linaro.org>
> Sent Time: Monday, November 24, 2014
> To: Kaiyuan <kaiyu...@tju.edu.cn>
> Cc: Greg Kurz <gk...@linux.vnet.ibm.com>, qemu-devel <qemu-devel@nongnu.org>
> Subject: Re: [Qemu-devel] How to access guest memory from qemu device internal
>
> On 23 November 2014 at 13:18, Kaiyuan <kaiyu...@tju.edu.cn> wrote:
> > Thanks for your explanation about guest physical/virtual
> > address and host physical/virtual address, and I think I
> > asked a wrong question. Is there a function that translates
> > guest Physical address to host Virtual address so that I
> > can access guest space by a host pointer?
>
> You can use cpu_physical_memory_map() and _unmap()
> for this kind of thing. (Make sure you unmap afterwards.)
>
> -- PMM
Thank you very much for your help!Kaiyuan Liang
