Re: [Qemu-devel] 64-bit target

[Fabrice Bellard]

Johan Rydberg wrote:
> Fabrice Bellard <address@hidden> wrote:
>
> : Johan Rydberg wrote:
> : > Hi,
> : > 
> : > what changes has to be done to make QEMU support 64-bit targets? 
> : > Any big overall changes needed at all?
> : 
> : No big changes, except that you must use a soft MMU if you want to use 
> : real 64 bit pointers.
>
> After doing a little research it seems that dyngen can not cope with 
> 64-bit immediates.  ie PARAMn can only be as large as sizeof (void *).
> This must of course be fixed for a 64-bit target.  Any ideas how to
> fix it?

You can just use two parameters and load two 32 bit values.

Fabrice.