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Re: [Qemu-devel] About address mapping between host and guest in QEMU
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] About address mapping between host and guest in QEMU |
Date: |
Sat, 25 Apr 2015 13:23:07 +0100 |
On 25 April 2015 at 02:51, Wenjie Liu <address@hidden> wrote:
> Hi Peter,
> Does the equation which is mentioned in
> http://vm-kernel.org/blog/2009/07/10/qemu-internal-part-2-softmmu/ means
> something?
> host_virtual_address = phys_ram_base(qemu variable) + guest_physical_address
> – guest_physical_address_base(0 in MIPS)
> Currently I have the guest physical address and phys_ram_base, can I use the
> equation to get the host virtual address?
That blog post is now six years old, and the codebase has changed
a lot since then. You're better off looking at the actual code.
> In fact I am using Marss which is based on QEMU, and in Marss the guest
> physical address is provided.
In that case you should probably ask the Marss developers...
-- PMM
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, (continued)
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Wenjie Liu, 2015/04/22
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Wenjie Liu, 2015/04/23
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Peter Maydell, 2015/04/23
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Wenjie Liu, 2015/04/23
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Paolo Bonzini, 2015/04/24
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Peter Maydell, 2015/04/24
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Christopher Covington, 2015/04/24
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Brendan Dolan-Gavitt, 2015/04/24
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Christopher Covington, 2015/04/24
- Re: [Qemu-devel] About address mapping between host and guest in QEMU, Wenjie Liu, 2015/04/24
- Re: [Qemu-devel] About address mapping between host and guest in QEMU,
Peter Maydell <=