[meta-freescale] [PATCH V2] imx-base.inc: Enable thumb2 and vfp capability

[Khem Raj]

On May 27, 2015 1:38 PM, "Andreas Müller" <schnitzeltony at googlemail.com>
wrote:
>
> On Wed, May 27, 2015 at 9:49 PM, Khem Raj <raj.khem at gmail.com> wrote:
> > MX6 SoCs have VFP unit and also support thumb2 ISA
> > This patch makes the default machine tunes aware of thumb2 and VFP.
> >
> > The ISA for code generation still remains as it was before this patch,
> > in addition it now offers different ISA options to OE distributions e.g
> > thumb2,  mixed (Thumb2/ARM) or ARM (default)
> >
> > Discussions which resulted in this patch are here [1]
> >
> > [1]
https://lists.yoctoproject.org/pipermail/meta-freescale/2015-May/013904.html
> >
> > Signed-off-by: Khem Raj <raj.khem at gmail.com>
> > ---
> >  conf/machine/include/imx-base.inc | 8 +++++---
> >  1 file changed, 5 insertions(+), 3 deletions(-)
> >
> > diff --git a/conf/machine/include/imx-base.inc
b/conf/machine/include/imx-base.inc
> > index 5683041..d80ca46 100644
> > --- a/conf/machine/include/imx-base.inc
> > +++ b/conf/machine/include/imx-base.inc
> > @@ -30,11 +30,13 @@ PREFERRED_VERSION_directfb_mx6 = "1.7.4"
> >  # Ship kernel modules
> >  MACHINE_EXTRA_RRECOMMENDS = "kernel-modules"
> >
> > -# Float-Point setting
> > +# Defaults is to show thumb2, VFP and Neon
> > +# capabilities
> > +# Float-Point ABI setting
> >  # handled by software
> > -# DEFAULTTUNE_mx6 ?= "cortexa9-neon"
> > +# DEFAULTTUNE_mx6 ?= "cortexa9t2-vfp-neon"
> >  # handled by hardware
> > -DEFAULTTUNE_mx6 ?= "cortexa9hf-neon"
> > +DEFAULTTUNE_mx6 ?= "cortexa9t2hf-vfp-neon"
> >
> >  # Sub-architecture support
> >  MACHINE_SOCARCH_SUFFIX ?= ""
> > --
> > 2.1.4
> >
> > --
> Instead discussing commit message: this patch breaks parsing with
>
> ERROR:  OE-core's config sanity checker detected a potential
misconfiguration.
>     Either fix the cause of this error or at your own risk disable the
> checker (see sanity.conf).
>     Following is the list of potential problems / advisories:
>
>     Error, the PACKAGE_ARCHS variable does not contain TUNE_PKGARCH
> (${ARMPKGARCH_tune-cortexa9t2hf-vfp-neon}).Toolchain tunings invalid:
> Tuning 'cortexa9t2hf-vfp-neon' has no defined features, and cannot be
used.
>
> A look into oe-core meta/conf/machine/include/tune-cortexa9.inc / line
>
> PACKAGE_EXTRA_ARCHS_tune-cortexa9thf-neon =
> "${PACKAGE_EXTRA_ARCHS_tune-armv7athf-neon} cortexa9hf-vfp
> cortexa9hf-vfp-neon cortexa9t2hf-vfp cortexa9t2hf-vfp-neon"
>
> makes me say "my patch is nicer" :

Yes just see if you can add vfp to it
I think oe-core needs fixing probably  for t2 case meanwhile we can live
with it.
>
> Andreas
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