mirror of
https://github.com/vyos/vyos-build.git
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76 lines
2.2 KiB
Python
Executable File
76 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2020 VyOS maintainers and contributors
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 or later as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import re
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import os
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import sys
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import glob
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SRC_DIR = sys.argv[1]
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KERNEL_CONFIG = sys.argv[2]
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def load_config(path):
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with open(KERNEL_CONFIG, 'r') as f:
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config = f.read()
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targets = re.findall(r'(.*)=(?:y|m)', config)
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return targets
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def find_subdirs(config, path):
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try:
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with open(os.path.join(path, 'Makefile'), 'r') as f:
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makefile = f.read()
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except OSError:
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# No Makefile
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return []
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dir_stmts = re.findall(r'obj-\$\((.*)\)\s+\+=\s+(.*)(?:\n|$)', makefile)
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subdirs = []
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for ds in dir_stmts:
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print("Processing make targets from {0} ({1})".format(ds[1], ds[0]), file=sys.stderr)
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if ds[0] in config:
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dirname = os.path.dirname(ds[1])
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if dirname:
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subdirs.append(dirname)
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else:
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print("{0} is disabled in the config, ignoring {1}".format(ds[0], ds[1]), file=sys.stderr)
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return subdirs
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def find_firmware(file):
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with open(file, 'r') as f:
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source = f.read()
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fws = re.findall(r'MODULE_FIRMWARE\((.*)\)', source)
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return fws
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def walk_dir(config, path):
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subdirs = find_subdirs(config, path)
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print("Looking for C files in {0}".format(path), file=sys.stderr)
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c_files = glob.glob("{0}/*.c".format(path))
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for cf in c_files:
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fws = find_firmware(cf)
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if fws:
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print("Referenced firmware: {0}".format(fws))
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for d in subdirs:
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d = os.path.join(path, d)
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walk_dir(config, d)
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if __name__ == '__main__':
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config = load_config(KERNEL_CONFIG)
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walk_dir(config, SRC_DIR)
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