Re: [Qemu-devel] x86-64 port

[Fabrice Bellard]

Gwenole Beauchesne wrote:
> Hi,
>
> > Nick Snellock wrote:
> >
> > > Is anyone working on an x86-64 port?
> >
> >
> > Not me :-) An x86-64 host port would be very interesting because
> > the 64 bit host MMU could be used to remap the whole emulated 4GB
> > address space.
>
>
> Fabrice, remember that I posted AMD64 support bits to the list some
> time ago? ;-) This works for user mode applications. As for the soft
> mmu, the current code is not 64-bit clean. I had some patches but
> they were not enough and are in a dormant state since. So remapping
> the whole 4GB address space is probably a faster and simpler fix
> indeed.

The x86-64 patch is now commited, except for the 'code_gen_buffer' patch
(can you explain it ?). Can you also explain what are the problems with
the soft MMU ?

Fabrice.