Files
gem5/ext/Kconfiglib/savedefconfig.py
Gabe Black 443067253c ext,scons: Make kconfiglib available for use in SCons.
Change-Id: Ie9c902819ed0750a04f8318911fa914701c2a0fe
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/56755
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
2022-03-15 00:30:39 +00:00

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Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2019, Ulf Magnusson
# SPDX-License-Identifier: ISC
"""
Saves a minimal configuration file that only lists symbols that differ in value
from their defaults. Loading such a configuration file is equivalent to loading
the "full" configuration file.
Minimal configuration files are handy to start from when editing configuration
files by hand.
The default input configuration file is '.config'. A different input filename
can be passed in the KCONFIG_CONFIG environment variable.
Note: Minimal configurations can also be generated from within the menuconfig
interface.
"""
import argparse
import kconfiglib
def main():
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
description=__doc__)
parser.add_argument(
"--kconfig",
default="Kconfig",
help="Top-level Kconfig file (default: Kconfig)")
parser.add_argument(
"--out",
metavar="MINIMAL_CONFIGURATION",
default="defconfig",
help="Output filename for minimal configuration (default: defconfig)")
args = parser.parse_args()
kconf = kconfiglib.Kconfig(args.kconfig, suppress_traceback=True)
print(kconf.load_config())
print(kconf.write_min_config(args.out))
if __name__ == "__main__":
main()