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Re: [Qemu-devel] How to access guest memory from qemu device internal
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] How to access guest memory from qemu device internal |
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Date: |
Sun, 23 Nov 2014 16:01:23 +0000 |
On 23 November 2014 at 13:18, Kaiyuan <address@hidden> 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