Re: [Qemu-devel] [RFC for-2.9 00/11] Move target-* CPU file into a target/ folder

[Laurent Vivier]

Le 30/11/2016 à 10:47, Thomas Huth a écrit :
> We've currently got 18 architectures in QEMU, and thus 18 target-xxx
> folders in the root folder of the QEMU source tree. More architectures
> (e.g. RISC-V, AVR) are likely to be included soon, too, so the main
> folder of the QEMU sources slowly gets quite overcrowded with the
> target-xxx folders.
> Thus I'd like to suggest that we move the target-xxx folders into
> a dedicated target/ folder, so that target-xxx/ simply becomes
> target/xxx/ instead.
> 
> The first patch is the most important one here, it prepares the
> build system to be able to deal with both, target-xxx and target/xxx
> folders. Once that has been applied, each target architecture
> could be moved to the target/ folder when it is convenient for the
> subsytem maintainer to do the move (i.e. we do not have to move all
> files immediately in one go). So if we agree to do this change and
> the first patch has been committed, I could rather send the following
> patches step by step to the maintainers so they can queue the patch
> for their subsystem for a good point in time. And new architectures
> like RISC-V and AVR could start in the target/ folder immediately
> instead.
> 
> So please provide some feedback: Is this a good idea? Or do you
> consider this rather just as unnecessary code churn instead?
> 

IMHO, it seems a good idea.

Nevertheless, I'm not sure to be able to manage both in the makefile is
a good idea: it can become a little bit messy.

Thanks,
Laurent