On Tue, Aug 18, 2020 at 2:38 PM Khem Raj <[email protected]> wrote: > > On Tue, Aug 18, 2020 at 2:13 PM Jonathan Richardson via > lists.openembedded.org > <[email protected]> wrote: > > > > Add tuning files for ARM cortex m0 plus and the armv6-m architecture > > that it is based on. > > > > Signed-off-by: Jonathan Richardson <[email protected]> > > --- > > meta/conf/machine/include/arm/arch-armv6m.inc | 20 +++++++++++++++++++ > > .../machine/include/tune-cortex-m0plus.inc | 11 ++++++++++ > > 2 files changed, 31 insertions(+) > > create mode 100755 meta/conf/machine/include/arm/arch-armv6m.inc > > create mode 100755 meta/conf/machine/include/tune-cortex-m0plus.inc > > > > diff --git a/meta/conf/machine/include/arm/arch-armv6m.inc > > b/meta/conf/machine/include/arm/arch-armv6m.inc > > new file mode 100755 > > index 0000000000..8202ef52f7 > > --- /dev/null > > +++ b/meta/conf/machine/include/arm/arch-armv6m.inc > > @@ -0,0 +1,20 @@ > > +# Tuning for ARMV6-m defined in ARM v6-M ArchitectureReference Manual > > +# at https://static.docs.arm.com/ddi0419/d/DDI0419D_armv6m_arm.pdf > > +DEFAULTTUNE ?= "armv6m" > > + > > +TUNEVALID[armv6m] = "Enable instructions for ARMv6-m" > > +TUNECONFLICTS[armv6m] = "armv4 armv5 armv6 armv7a" > > + > > +# Use armv6s-m instead of armv6-m to avoid gcc bug "SVC is not permitted > > on this architecture". > > +# SVC is a valid instruction. > > +TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'armv6m', ' > > -march=armv6s-m', '', d)}" > > +MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'armv6m', > > 'armv6m:', '' ,d)}" > > + > > +require conf/machine/include/arm/arch-armv5.inc > > + > > +# Little Endian > > +AVAILTUNES += "armv6m" > > +ARMPKGARCH_tune-armv6m = "armv6m" > > +TUNE_FEATURES_tune-armv6m = "armv6m" > > +PACKAGE_EXTRA_ARCHS_tune-armv6m = "armv6m" > > +BASE_LIB_tune-armv6m = "lib32" > > do we need BASE_LIB defined here ? > I guess we don't actually. I see it's only set for the 64 bit arm tuning files. I'll remove it.
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