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# Use common compatible tuning values.
#
# This avoids unnecessary toolchain component rebuilds and increases reuse and compatibility amongst
# compatible machines.
#
# Imported from https://github.com/96boards/meta-rpb/blob/master/conf/distro/include/arm-defaults.inc
# Imported from https://github.com/Angstrom-distribution/meta-angstrom/blob/master/conf/distro/include/arm-defaults.inc
def get_generic_tune(d):
features = d.getVar('TUNE_FEATURES').split()
if 'aarch64' in features:
tune = 'armv8a'
if 'crc' in features:
tune += '-crc'
if 'crypto' in features:
tune += '-crypto'
# cortexa* tune files only list 'arm' in features instead of 'armv7*'
elif 'armv7a' in features or 'armv7ve' in features or ('arm' in features and 'neon' in features):
tune = 'armv7athf'
if 'bigendian' in features:
tune += 'b'
if 'neon' in features:
tune += '-neon'
else:
tune = d.getVar('DEFAULTTUNE')
return tune
DEFAULTTUNE:mel := "${@get_generic_tune(d)}"
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