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Diffstat (limited to 'scripts/Kconfiglib/allyesconfig.py')
-rwxr-xr-x | scripts/Kconfiglib/allyesconfig.py | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/scripts/Kconfiglib/allyesconfig.py b/scripts/Kconfiglib/allyesconfig.py new file mode 100755 index 0000000..90eb9b8 --- /dev/null +++ b/scripts/Kconfiglib/allyesconfig.py @@ -0,0 +1,56 @@ +#!/usr/bin/env python3 + +# Copyright (c) 2018-2019, Ulf Magnusson +# SPDX-License-Identifier: ISC + +""" +Writes a configuration file where as many symbols as possible are set to 'y'. + +The default output filename is '.config'. A different filename can be passed +in the KCONFIG_CONFIG environment variable. + +Usage for the Linux kernel: + + $ make [ARCH=<arch>] scriptconfig SCRIPT=Kconfiglib/allyesconfig.py +""" +import kconfiglib + + +def main(): + kconf = kconfiglib.standard_kconfig(__doc__) + + # See allnoconfig.py + kconf.warn = False + + # Try to set all symbols to 'y'. Dependencies might truncate the value down + # later, but this will at least give the highest possible value. + # + # Assigning 0/1/2 to non-bool/tristate symbols has no effect (int/hex + # symbols still take a string, because they preserve formatting). + for sym in kconf.unique_defined_syms: + # Set choice symbols to 'm'. This value will be ignored for choices in + # 'y' mode (the "normal" mode), which will instead just get their + # default selection, but will set all symbols in m-mode choices to 'm', + # which is as high as they can go. + # + # Here's a convoluted example of how you might get an m-mode choice + # even during allyesconfig: + # + # choice + # tristate "weird choice" + # depends on m + sym.set_value(1 if sym.choice else 2) + + # Set all choices to the highest possible mode + for choice in kconf.unique_choices: + choice.set_value(2) + + kconf.warn = True + + kconf.load_allconfig("allyes.config") + + print(kconf.write_config()) + + +if __name__ == "__main__": + main() |