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Re: [Qemu-devel] How QEMU maintains the translation from guest virtual a


From: Peter Maydell
Subject: Re: [Qemu-devel] How QEMU maintains the translation from guest virtual address to guest physical address?
Date: Wed, 6 May 2015 19:54:25 +0100

On 6 May 2015 at 19:41, 浩倫 魏 <address@hidden> wrote:
> So am I in the right path if I want to know how QEMU translates GVA to GPA?
> I have question about that if guest OS would take part in the translation
> between GCA to GPA? Or qemu-softmmu would take control everything?

Well, the guest OS is what sets up the page tables in memory
which QEMU (or the real CPU, in hardware) is reading. So it's
the guest OS that controls what the mapping is, in the end.

-- PMM



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