Re: [RFC PATCH 2/3] conf/machine: Overhaul tune include files

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Mon, 2011-07-11 at 19:04 +0200, Koen Kooi wrote:
> Op 11 jul 2011, om 18:47 heeft Richard Purdie het volgende geschreven:
> >> Taking armv7a as an example with my angstrom hat on I need the following knobs:
> >> 
> >> 1) softp or hardfp calling conventions, resulting in a different package arch (e.g. armv7a vs armv7ahf) (link incompatible)
> >> 2) neon or not, resulting in a different packagearch (e.g armv7a vs armv7a-vfponly) (link compatible)
> >> 3) Thumb2 or arm mode, no direct need for different packagearch, they are compatible
> >> 4) use FPU fw or not (TARGET_PFU) (slightly different from 2.)
> >> 
> >> Do you have any examples on how the package arch will look with this patchset?
> > 
> > I added in code to differentiate between big and little endian. We can
> > add in code to add extra options, e.g. in the tune-armv7 case:
> > 
> > 
> > TARGET_CC_ARCH += "${@bb.utils.contains("TUNE_FEATURES", "callconvention-hard", "-mfloat-abi=hardfp", "-mfloat-abi=softfp" ,d)}"
> > 
> > PACKAGE_EXTRA_ARCHS = "${TUNE_ARCH}${SUFX2} armv4${ENDSUFX}${SUFX2} armv4t${ENDSUFX}${SUFX2} armv5te${ENDSUFX}${SUFX2} armv6${ENDSUFX}${SUFX2} armv7${ENDSUFX}${SUFX2}"
> 
> And SUFX2 being 'hf' or '', right? If so, the proposal looks good to me, but I need to digest it some more.

Correct.

An updated version of this with a few more pieces filled out is
available at:

http://git.yoctoproject.org/cgit.cgi/poky-contrib/commit/?h=rpurdie/temp4&id=d2a0bf99fd573221f230bb5253b85166997fac69

Cheers,

Richard