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Re: How to copy data between guest memory and host
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From: |
沈梦姣 |
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Subject: |
Re: How to copy data between guest memory and host |
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Date: |
Thu, 19 Nov 2020 01:57:06 +0800 |
By the way, I’m using TCG mode.
Thanks
> 在 2020年11月18日，下午3:44，沈梦姣 <shen.mengjiao3@icloud.com> 写道：
>
> Hi,
> I’m adding device for one platform(e.g. mps2), and also writing driver for
> that device on guest os. There is a buffer allocated in qemu where some data
> will be cooked, and driver will update buffer address located in guest memory
> space to qemu device. So the question is how to copy data between the two
> different memory space?
>
> Thanks a lot!
>
>