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### Machine definition file utilities
def make_dtb_boot_files(d):
# Generate IMAGE_BOOT_FILES entries for device tree files listed in
# KERNEL_DEVICETREE.
alldtbs = d.getVar('KERNEL_DEVICETREE')
imgtyp = d.getVar('KERNEL_IMAGETYPE')
def transform(dtb):
if dtb.endswith('dtb'):
# eg: whatever/bcm2708-rpi-b.dtb has:
# DEPLOYDIR file: ${KERNEL_IMAGETYPE}-bcm2708-rpi-b.dtb
# destination: bcm2708-rpi-b.dtb
base = os.path.basename(dtb)
src = '{}-{}'.format(imgtyp, base)
dst = base
return '{};{}'.format(src, dst)
elif dtb.endswith('dtbo'):
# overlay dtb:
# eg: overlays/hifiberry-amp.dtbo has:
# DEPLOYDIR file: ${KERNEL_IMAGETYPE}-hifiberry-amp.dtbo
# destination: overlays/hifiberry-amp.dtbo
base = os.path.basename(dtb)
src = '{}-{}'.format(imgtyp, base)
dst = dtb
return '{};{}'.format(src, dtb)
return ' '.join([transform(dtb) for dtb in alldtbs.split(' ') if dtb])
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