443067253c
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>
57 lines
1.6 KiB
Python
Executable File
57 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2018-2019, Ulf Magnusson
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# SPDX-License-Identifier: ISC
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"""
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Writes a configuration file where as many symbols as possible are set to 'y'.
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The default output filename is '.config'. A different filename can be passed
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in the KCONFIG_CONFIG environment variable.
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Usage for the Linux kernel:
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$ make [ARCH=<arch>] scriptconfig SCRIPT=Kconfiglib/allyesconfig.py
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"""
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import kconfiglib
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def main():
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kconf = kconfiglib.standard_kconfig(__doc__)
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# See allnoconfig.py
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kconf.warn = False
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# Try to set all symbols to 'y'. Dependencies might truncate the value down
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# later, but this will at least give the highest possible value.
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#
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# Assigning 0/1/2 to non-bool/tristate symbols has no effect (int/hex
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# symbols still take a string, because they preserve formatting).
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for sym in kconf.unique_defined_syms:
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# Set choice symbols to 'm'. This value will be ignored for choices in
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# 'y' mode (the "normal" mode), which will instead just get their
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# default selection, but will set all symbols in m-mode choices to 'm',
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# which is as high as they can go.
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#
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# Here's a convoluted example of how you might get an m-mode choice
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# even during allyesconfig:
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#
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# choice
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# tristate "weird choice"
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# depends on m
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sym.set_value(1 if sym.choice else 2)
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# Set all choices to the highest possible mode
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for choice in kconf.unique_choices:
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choice.set_value(2)
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kconf.warn = True
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kconf.load_allconfig("allyes.config")
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print(kconf.write_config())
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if __name__ == "__main__":
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main()
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