mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
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6af0477733
Added make updateconfig to update all config when default's have changed Added cmake to px4board conversion script
144 lines
4.3 KiB
Python
Executable File
144 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# This script functions similarly to scripts/kconfig/merge_config.sh from the
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# kernel tree, merging multiple configurations fragments to produce a complete
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# .config, with unspecified values filled in as for alldefconfig.
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#
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# The generated .config respects symbol dependencies, and a warning is printed
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# if any symbol gets a different value from the assigned value.
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#
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# For a real-world merging example based on this script, see
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# https://github.com/zephyrproject-rtos/zephyr/blob/master/scripts/kconfig/kconfig.py.
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#
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# Here's a demo:
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#
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# Kconfig contents:
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#
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# config FOO
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# bool "FOO"
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#
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# config BAR
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# bool "BAR"
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#
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# config BAZ
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# string "BAZ"
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#
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# config QAZ
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# bool "QAZ" if n
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#
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#
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# conf1 contents:
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#
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# CONFIG_FOO=y
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#
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#
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# conf2 contents:
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#
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# CONFIG_BAR=y
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#
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#
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# conf3 contents:
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#
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# # Assigned twice (would generate warning if 'warn_assign_override' was
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# # True)
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# # CONFIG_FOO is not set
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#
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# # Ops... this symbol doesn't exist
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# CONFIG_OPS=y
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#
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# CONFIG_BAZ="baz string"
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#
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#
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# conf4 contents:
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#
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# CONFIG_QAZ=y
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#
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#
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# Running:
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#
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# $ python(3) merge_config.py Kconfig merged conf1 conf2 conf3 conf4
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# Merged configuration 'conf1'
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# Merged configuration 'conf2'
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# conf3:5: warning: attempt to assign the value 'y' to the undefined symbol OPS
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# Merged configuration 'conf3'
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# Merged configuration 'conf4'
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# Configuration saved to 'merged'
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# warning: QAZ (defined at Kconfig:10) was assigned the value 'y' but got the value 'n' -- check dependencies
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# $ cat merged
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# Generated by Kconfiglib (https://github.com/ulfalizer/Kconfiglib)
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# # CONFIG_FOO is not set
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# CONFIG_BAR=y
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# CONFIG_BAZ="baz string"
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from __future__ import print_function
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import sys
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import re
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import pprint
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def _re_match(regex):
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return re.compile(regex, re.ASCII).match
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from kconfiglib import Kconfig, BOOL, TRISTATE, TRI_TO_STR
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def main(kconfig_file, config1, config2):
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kconf = Kconfig(kconfig_file, suppress_traceback=True)
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# Enable warnings for assignments to undefined symbols
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kconf.warn_assign_undef = False
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# (This script uses alldefconfig as the base. Other starting states could be
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# set up here as well. The approach in examples/allnoconfig_simpler.py could
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# provide an allnoconfig starting state for example.)
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# Disable warnings generated for multiple assignments to the same symbol within
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# a (set of) configuration files. Assigning a symbol multiple times might be
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# done intentionally when merging configuration files.
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kconf.warn_assign_override = False
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kconf.warn_assign_redun = False
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# Create a merged configuration by loading the fragments with replace=False.
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# load_config() and write_config() returns a message to print.
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print(kconf.load_config(config1, replace=False))
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print(kconf.load_config(config2, replace=False))
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# Modification for PX4 unset all symbols (INT,HEX etc) from 2nd config
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f = open(config2, 'r')
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unset_match = re.compile(r"# {}([^ ]+) is not set".format("CONFIG_"), re.ASCII).match
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for line in f:
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match = unset_match(line)
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#pprint.pprint(match)
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if match is not None:
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sym_name = match.group(1)
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kconf.syms[sym_name].unset_value()
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f.close()
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# Print warnings for symbols whose actual value doesn't match the assigned
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# value
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for sym in kconf.defined_syms:
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# Was the symbol assigned to?
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if sym.user_value is not None:
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# Tristate values are represented as 0, 1, 2. Having them as
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# "n", "m", "y" is more convenient here, so convert.
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if sym.type in (BOOL, TRISTATE):
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user_value = TRI_TO_STR[sym.user_value]
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else:
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user_value = sym.user_value
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if user_value != sym.str_value:
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print("warning: {} was assigned the value '{}' but got the "
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"value '{}' -- check dependencies".format(
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sym.name_and_loc, user_value, sym.str_value),
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file=sys.stderr)
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return kconf
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if __name__ == '__main__':
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if len(sys.argv) < 4:
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sys.exit("usage: merge_config.py Kconfig merged_config config1 config2]")
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# Write the merged configuration
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print(main(sys.argv[1],sys.argv[3],sys.argv[4]).write_config(sys.argv[2]))
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