Re: [Qemu-devel] qemu-system-sparc question?

[Paul Brook <paul@codesourcery.com>]

On Saturday 14 October 2006 09:14, Blue Swirl wrote:
> >There's no such think as an Ideal cpu. It's like picking the right
> >religion :-) If you want a toy cpu, there are things like mmix.
>
> In general true. But the real and toy CPUs are designed with the hardware
> construction in mind, whereas the limitations deriving from HW (number of
> registers, number of instructions, instruction complexity) may be less
> relevant in the Qemu case. Also Qemu could benefit from getting information
> analysed from the source code that no real HW needs. For example, perhaps
> the TB state could be managed explicitly by the compiler.

There are plenty of pre-existing dynamic compilation targets, pretty much all 
of which have JIT compilers. eg. JVM, CIL and parrot. IMHO qemu probably 
isn't a particularly good base for this sort of thing, as it's more oriented 
towards emulating conventional CPUs.

Paul