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# -*- python -*-
# Automatically set extend the MACHINEOVERRIDES
#
# This allow to grouping of different settings for similar platforms.
#
# To indicate that a SoC contains following set of overrides, you can use:
#
# MACHINEOVERRIDES_EXTENDER_soc = "group1:group2"
#
# However to indicate that an override replaces a set of other
# overrides, you can use:
#
# MACHINEOVERRIDES_EXTENDER_FILTER_OUT_override = "group1 group2"
#
# Copyright 2016-2018 (C) O.S. Systems Software LTDA.
def machine_overrides_extender(d):
machine_overrides = (d.getVar('PRISTINE_MACHINEOVERRIDES') or '').split(':')
# Gather the list of overrides to filter out
machine_overrides_filter_out = []
for override in machine_overrides:
machine_overrides_filter_out += (d.getVar('MACHINEOVERRIDES_EXTENDER_FILTER_OUT_%s' % override) or '').split()
# Drop any overrides of filter_out prior extending
machine_overrides = [o for o in machine_overrides if o not in machine_overrides_filter_out]
for override in machine_overrides:
extender = d.getVar('MACHINEOVERRIDES_EXTENDER_%s' % override)
if extender:
extender = extender.split(':')
# Drop any extension if in filter_out
extender = [e for e in extender if e not in machine_overrides_filter_out]
extender.reverse()
if not set(extender).issubset(set(machine_overrides)):
index = machine_overrides.index(override)
for e in extender:
machine_overrides.insert(index, e)
return ':'.join(machine_overrides)
python machine_overrides_extender_handler() {
# Ideally we'd use a separate variable name for this however
# historically NXP BSPs used this. We save it to a known good name
# so we can reprocess OVERRIDES if/as/when needed.
d.renameVar("MACHINEOVERRIDES", "PRISTINE_MACHINEOVERRIDES")
# Now we add our own function intercept in instead
d.setVar("MACHINEOVERRIDES", "${@machine_overrides_extender(d)}")
}
machine_overrides_extender_handler[eventmask] = "bb.event.ConfigParsed"
addhandler machine_overrides_extender_handler
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