[Qemu-devel] Re: ix64 target support

[Blue Swirl]

Hi,

One challenging project could be adding 64-bit instructions to Sparc, there 
are not too many of them. and the architecture was designed with scalability 
in mind. On the negative side, 32-bit Sparc system target is not functional 
yet and address space size could be a problem, as with any 64-bit CPUs.

PPC specs include both 32-bit and 64-bit implementations and the Qemu 
emulation works. The architecture is much more complex than Sparc, though. 
MIPS is one option with both 32 and 64-bit CPUs, but there isn't anything in 
Qemu side.

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