See JSONDeviceTree.md for format
@author: Neil 'superna' Armstrong <*****@*****.**>
"""
import argparse
from pyfdt.pyfdt import FdtJsonParse
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Device Tree Blob JSON to DTB')
parser.add_argument('--format', dest = 'format' ,help="output format (dts, dtb or json), default to dts", default = "dts")
parser.add_argument('in_filename', help="input filename")
parser.add_argument('out_filename', help="output filename")
args = parser.parse_args()
if args.format not in ('dts', 'dtb', 'json'):
raise Exception('Invalid Output Format')
with open(args.in_filename) as infile:
fdt = FdtJsonParse(infile.read())
if args.format == "dts":
with open(args.out_filename, 'wb') as outfile:
outfile.write(fdt.to_dts())
elif args.format == "dtb":
with open(args.out_filename, 'wb') as outfile:
outfile.write(fdt.to_dtb())
elif args.format == "json":
with open(args.out_filename, 'wb') as outfile:
outfile.write(fdt.to_json())
with open(args.in_dtb1) as infile:
dtb1 = FdtBlobParse(infile)
fdt1 = dtb1.to_fdt()
elif args.format1 == 'json':
with open(args.in_dtb1) as infile:
fdt1 = FdtJsonParse(infile.read())
else:
fdt1 = FdtFsParse(args.in_dtb1)
if args.format2 == 'dtb':
with open(args.in_dtb2) as infile:
dtb2 = FdtBlobParse(infile)
fdt2 = dtb2.to_fdt()
elif args.format2 == 'json':
with open(args.in_dtb2) as infile:
fdt2 = FdtJsonParse(infile.read())
else:
fdt2 = FdtFsParse(args.in_dtb2)
fdt1.get_rootnode().merge(fdt2.get_rootnode())
if args.outformat == "dts":
with open(args.out_filename, 'wb') as outfile:
outfile.write(fdt1.to_dts())
elif args.outformat == "dtb":
with open(args.out_filename, 'wb') as outfile:
outfile.write(fdt1.to_dtb())
elif args.outformat == "json":
with open(args.out_filename, 'wb') as outfile:
outfile.write(fdt1.to_json())
