On 11/12/2014 00:21, Maciej W. Rozycki wrote:
> Rework the MIPS ABIs and CPU emulations available according to the 
> following target list:
> 
> - mips|mipsel       -- 32-bit CPUs only, system and user emulation mode, 
>                        o32 user ABI,
> 
> - mips64|mips64el   -- 32-bit and 64-bit CPUs, system and user emulation 
>                        mode, o32 user ABI,

I'm not sure if it's a good idea to change the meaning of linux-user
qemu-mips64 and qemu-mips64el, this will cause unnecessary confusion in
my opinion. I think we’d be better off leaving it consistent across QEMU
versions.

Do we really need MIPS64 executables for o32 ABI for linux-user? They
would merely enable MIPS64 CPUs to run o32 programs. So far we've been
handling this by using 32-bit CPUs (artificial if the real CPU don't
exist), therefore I don't see an issue here. Also I'm concerned that
once we add new executables, it will be difficult to revert that change
later, thus we must be certain that this is the right way to go.

In general I would prefer to avoid changing the user interface and pain
related to breaking people's scripts whenever it's possible.

Regards,
Leon


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