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dts: generate definitions for build system

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This will generate an additional file that can be sourced by the build
system to expose definitions generated by device tree and used for
flashing and debugging targets.

Change-Id: I184e247f0a8dbd1a4a42dd4b02ea01f2caa70533
Jira: ZEP-2119
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2017-05-20 19:44:46 -04:00 • committed by Anas Nashif
commit b60ff2f840
1 changed files with 33 additions and 6 deletions
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39
scripts/extract_dts_includes.py
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@ -507,7 +507,26 @@ def print_key_value(k, v, tabstop):
return
def generate_include_file(defs, fixup):
def generate_keyvalue_file(defs, args):
compatible = reduced['/']['props']['compatible'][0]
node_keys = sorted(defs.keys())
for node in node_keys:
sys.stdout.write('# ' + node.split('/')[-1] )
sys.stdout.write("\n")
prop_keys = sorted(defs[node].keys())
for prop in prop_keys:
if prop == 'aliases':
for entry in sorted(defs[node][prop]):
a = defs[node][prop].get(entry)
sys.stdout.write("%s=%s\n" %(entry, defs[node].get(a)))
else:
sys.stdout.write("%s=%s\n" %(prop,defs[node].get(prop)))
sys.stdout.write("\n")
def generate_include_file(defs, args):
compatible = reduced['/']['props']['compatible'][0]
sys.stdout.write("/**************************************************\n")
@ -538,21 +557,23 @@ def generate_include_file(defs, fixup):
for prop in prop_keys:
if prop == 'aliases':
for entry in sorted(defs[node][prop]):
print_key_value(entry, defs[node][prop].get(entry), maxtabstop)
a = defs[node][prop].get(entry)
print_key_value(entry, a, maxtabstop)
else:
print_key_value(prop, defs[node].get(prop), maxtabstop)
sys.stdout.write("\n")
if fixup and os.path.exists(fixup):
if args.fixup and os.path.exists(args.fixup):
sys.stdout.write("\n")
sys.stdout.write("/* Following definitions fixup the generated include */\n")
try:
with open(fixup, "r") as fd:
with open(args.fixup, "r") as fd:
for line in fd.readlines():
sys.stdout.write(line)
sys.stdout.write("\n")
except:
raise Exception("Input file " + os.path.abspath(fixup) + " does not exist.")
raise Exception("Input file " + os.path.abspath(args.fixup) + " does not exist.")
sys.stdout.write("#endif\n")
@ -560,9 +581,12 @@ def parse_arguments():
parser = argparse.ArgumentParser(description = __doc__,
formatter_class = argparse.RawDescriptionHelpFormatter)
parser.add_argument("-d", "--dts", help="DTS file")
parser.add_argument("-y", "--yaml", help="YAML file")
parser.add_argument("-f", "--fixup", help="Fixup file")
parser.add_argument("-k", "--keyvalue", action="store_true",
help="Generate file to be included by the build system")
return parser.parse_args()
@ -654,7 +678,10 @@ def main():
extract_reg_prop(chosen['zephyr,sram'], None, defs, "CONFIG_SRAM", 1024)
# generate include file
generate_include_file(defs, args.fixup)
if args.keyvalue:
generate_keyvalue_file(defs, args)
else:
generate_include_file(defs, args)
if __name__ == '__main__':
main()