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48d4c0a85d
Some boards use a MAINTAINERS entry to specify common files without referencing any defconfigs. This is allowed and should not result in a warning. Drop the warning in this case. Signed-off-by: Simon Glass <sjg@chromium.org>
874 lines
29 KiB
Python
874 lines
29 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2012 The Chromium OS Authors.
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# Author: Simon Glass <sjg@chromium.org>
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# Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
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"""Maintains a list of boards and allows them to be selected"""
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from collections import OrderedDict
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import errno
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import fnmatch
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import glob
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import multiprocessing
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import os
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import re
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import sys
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import tempfile
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import time
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from buildman import board
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from buildman import kconfiglib
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### constant variables ###
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OUTPUT_FILE = 'boards.cfg'
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CONFIG_DIR = 'configs'
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SLEEP_TIME = 0.03
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COMMENT_BLOCK = f'''#
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# List of boards
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# Automatically generated by {__file__}: don't edit
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#
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# Status, Arch, CPU, SoC, Vendor, Board, Target, Config, Maintainers
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'''
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def try_remove(fname):
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"""Remove a file ignoring 'No such file or directory' error.
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Args:
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fname (str): Filename to remove
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Raises:
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OSError: output file exists but could not be removed
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"""
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try:
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os.remove(fname)
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except OSError as exception:
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# Ignore 'No such file or directory' error
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if exception.errno != errno.ENOENT:
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raise
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def output_is_new(output, config_dir, srcdir):
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"""Check if the output file is up to date.
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Looks at defconfig and Kconfig files to make sure none is newer than the
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output file. Also ensures that the boards.cfg does not mention any removed
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boards.
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Args:
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output (str): Filename to check
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config_dir (str): Directory containing defconfig files
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srcdir (str): Directory containing Kconfig and MAINTAINERS files
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Returns:
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True if the given output file exists and is newer than any of
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*_defconfig, MAINTAINERS and Kconfig*. False otherwise.
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Raises:
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OSError: output file exists but could not be opened
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"""
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# pylint: disable=too-many-branches
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try:
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ctime = os.path.getctime(output)
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except OSError as exception:
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if exception.errno == errno.ENOENT:
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# return False on 'No such file or directory' error
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return False
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raise
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for (dirpath, _, filenames) in os.walk(config_dir):
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for filename in fnmatch.filter(filenames, '*_defconfig'):
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if fnmatch.fnmatch(filename, '.*'):
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continue
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filepath = os.path.join(dirpath, filename)
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if ctime < os.path.getctime(filepath):
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return False
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for (dirpath, _, filenames) in os.walk(srcdir):
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for filename in filenames:
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if (fnmatch.fnmatch(filename, '*~') or
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not fnmatch.fnmatch(filename, 'Kconfig*') and
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not filename == 'MAINTAINERS'):
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continue
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filepath = os.path.join(dirpath, filename)
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if ctime < os.path.getctime(filepath):
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return False
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# Detect a board that has been removed since the current board database
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# was generated
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with open(output, encoding="utf-8") as inf:
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for line in inf:
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if 'Options,' in line:
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return False
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if line[0] == '#' or line == '\n':
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continue
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defconfig = line.split()[6] + '_defconfig'
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if not os.path.exists(os.path.join(config_dir, defconfig)):
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return False
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return True
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class Expr:
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"""A single regular expression for matching boards to build"""
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def __init__(self, expr):
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"""Set up a new Expr object.
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Args:
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expr (str): String cotaining regular expression to store
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"""
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self._expr = expr
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self._re = re.compile(expr)
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def matches(self, props):
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"""Check if any of the properties match the regular expression.
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Args:
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props (list of str): List of properties to check
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Returns:
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True if any of the properties match the regular expression
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"""
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for prop in props:
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if self._re.match(prop):
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return True
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return False
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def __str__(self):
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return self._expr
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class Term:
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"""A list of expressions each of which must match with properties.
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This provides a list of 'AND' expressions, meaning that each must
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match the board properties for that board to be built.
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"""
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def __init__(self):
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self._expr_list = []
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self._board_count = 0
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def add_expr(self, expr):
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"""Add an Expr object to the list to check.
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Args:
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expr (Expr): New Expr object to add to the list of those that must
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match for a board to be built.
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"""
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self._expr_list.append(Expr(expr))
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def __str__(self):
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"""Return some sort of useful string describing the term"""
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return '&'.join([str(expr) for expr in self._expr_list])
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def matches(self, props):
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"""Check if any of the properties match this term
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Each of the expressions in the term is checked. All must match.
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Args:
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props (list of str): List of properties to check
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Returns:
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True if all of the expressions in the Term match, else False
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"""
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for expr in self._expr_list:
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if not expr.matches(props):
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return False
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return True
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class KconfigScanner:
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"""Kconfig scanner."""
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### constant variable only used in this class ###
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_SYMBOL_TABLE = {
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'arch' : 'SYS_ARCH',
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'cpu' : 'SYS_CPU',
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'soc' : 'SYS_SOC',
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'vendor' : 'SYS_VENDOR',
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'board' : 'SYS_BOARD',
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'config' : 'SYS_CONFIG_NAME',
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# 'target' is added later
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}
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def __init__(self, srctree):
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"""Scan all the Kconfig files and create a Kconfig object."""
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# Define environment variables referenced from Kconfig
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os.environ['srctree'] = srctree
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os.environ['UBOOTVERSION'] = 'dummy'
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os.environ['KCONFIG_OBJDIR'] = ''
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self._tmpfile = None
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self._conf = kconfiglib.Kconfig(warn=False)
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def __del__(self):
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"""Delete a leftover temporary file before exit.
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The scan() method of this class creates a temporay file and deletes
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it on success. If scan() method throws an exception on the way,
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the temporary file might be left over. In that case, it should be
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deleted in this destructor.
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"""
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if self._tmpfile:
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try_remove(self._tmpfile)
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def scan(self, defconfig, warn_targets):
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"""Load a defconfig file to obtain board parameters.
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Args:
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defconfig (str): path to the defconfig file to be processed
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warn_targets (bool): True to warn about missing or duplicate
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CONFIG_TARGET options
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Returns:
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tuple: dictionary of board parameters. It has a form of:
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{
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'arch': <arch_name>,
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'cpu': <cpu_name>,
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'soc': <soc_name>,
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'vendor': <vendor_name>,
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'board': <board_name>,
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'target': <target_name>,
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'config': <config_header_name>,
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}
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warnings (list of str): list of warnings found
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"""
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leaf = os.path.basename(defconfig)
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expect_target, match, rear = leaf.partition('_defconfig')
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assert match and not rear, f'{leaf} : invalid defconfig'
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self._conf.load_config(defconfig)
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self._tmpfile = None
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params = {}
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warnings = []
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# Get the value of CONFIG_SYS_ARCH, CONFIG_SYS_CPU, ... etc.
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# Set '-' if the value is empty.
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for key, symbol in list(self._SYMBOL_TABLE.items()):
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value = self._conf.syms.get(symbol).str_value
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if value:
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params[key] = value
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else:
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params[key] = '-'
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# Check there is exactly one TARGET_xxx set
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if warn_targets:
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target = None
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for name, sym in self._conf.syms.items():
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if name.startswith('TARGET_') and sym.str_value == 'y':
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tname = name[7:].lower()
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if target:
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warnings.append(
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f'WARNING: {leaf}: Duplicate TARGET_xxx: {target} and {tname}')
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else:
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target = tname
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if not target:
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cfg_name = expect_target.replace('-', '_').upper()
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warnings.append(f'WARNING: {leaf}: No TARGET_{cfg_name} enabled')
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params['target'] = expect_target
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# fix-up for aarch64
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if params['arch'] == 'arm' and params['cpu'] == 'armv8':
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params['arch'] = 'aarch64'
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# fix-up for riscv
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if params['arch'] == 'riscv':
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try:
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value = self._conf.syms.get('ARCH_RV32I').str_value
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except:
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value = ''
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if value == 'y':
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params['arch'] = 'riscv32'
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else:
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params['arch'] = 'riscv64'
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return params, warnings
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class MaintainersDatabase:
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"""The database of board status and maintainers.
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Properties:
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database: dict:
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key: Board-target name (e.g. 'snow')
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value: tuple:
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str: Board status (e.g. 'Active')
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str: List of maintainers, separated by :
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warnings (list of str): List of warnings due to missing status, etc.
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"""
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def __init__(self):
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"""Create an empty database."""
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self.database = {}
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self.warnings = []
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def get_status(self, target):
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"""Return the status of the given board.
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The board status is generally either 'Active' or 'Orphan'.
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Display a warning message and return '-' if status information
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is not found.
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Args:
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target (str): Build-target name
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Returns:
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str: 'Active', 'Orphan' or '-'.
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"""
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if not target in self.database:
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self.warnings.append(f"WARNING: no status info for '{target}'")
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return '-'
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tmp = self.database[target][0]
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if tmp.startswith('Maintained'):
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return 'Active'
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if tmp.startswith('Supported'):
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return 'Active'
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if tmp.startswith('Orphan'):
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return 'Orphan'
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self.warnings.append(f"WARNING: {tmp}: unknown status for '{target}'")
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return '-'
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def get_maintainers(self, target):
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"""Return the maintainers of the given board.
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Args:
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target (str): Build-target name
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Returns:
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str: Maintainers of the board. If the board has two or more
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maintainers, they are separated with colons.
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"""
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entry = self.database.get(target)
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if entry:
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status, maint_list = entry
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if not status.startswith('Orphan'):
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if len(maint_list) > 1 or (maint_list and maint_list[0] != '-'):
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return ':'.join(maint_list)
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self.warnings.append(f"WARNING: no maintainers for '{target}'")
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return ''
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def parse_file(self, srcdir, fname):
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"""Parse a MAINTAINERS file.
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Parse a MAINTAINERS file and accumulate board status and maintainers
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information in the self.database dict.
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defconfig files are used to specify the target, e.g. xxx_defconfig is
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used for target 'xxx'. If there is no defconfig file mentioned in the
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MAINTAINERS file F: entries, then this function does nothing.
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The N: name entries can be used to specify a defconfig file using
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wildcards.
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Args:
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srcdir (str): Directory containing source code (Kconfig files)
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fname (str): MAINTAINERS file to be parsed
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"""
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def add_targets(linenum):
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"""Add any new targets
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Args:
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linenum (int): Current line number
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"""
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if targets:
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for target in targets:
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self.database[target] = (status, maintainers)
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targets = []
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maintainers = []
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status = '-'
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with open(fname, encoding="utf-8") as inf:
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for linenum, line in enumerate(inf):
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# Check also commented maintainers
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if line[:3] == '#M:':
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line = line[1:]
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tag, rest = line[:2], line[2:].strip()
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if tag == 'M:':
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maintainers.append(rest)
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elif tag == 'F:':
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# expand wildcard and filter by 'configs/*_defconfig'
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glob_path = os.path.join(srcdir, rest)
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for item in glob.glob(glob_path):
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front, match, rear = item.partition('configs/')
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if front.endswith('/'):
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front = front[:-1]
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if front == srcdir and match:
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front, match, rear = rear.rpartition('_defconfig')
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if match and not rear:
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targets.append(front)
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elif tag == 'S:':
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status = rest
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elif tag == 'N:':
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# Just scan the configs directory since that's all we care
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# about
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walk_path = os.walk(os.path.join(srcdir, 'configs'))
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for dirpath, _, fnames in walk_path:
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for cfg in fnames:
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path = os.path.join(dirpath, cfg)[len(srcdir) + 1:]
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front, match, rear = path.partition('configs/')
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if front or not match:
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continue
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front, match, rear = rear.rpartition('_defconfig')
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# Use this entry if it matches the defconfig file
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# without the _defconfig suffix. For example
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# 'am335x.*' matches am335x_guardian_defconfig
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if match and not rear and re.search(rest, front):
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targets.append(front)
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elif line == '\n':
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add_targets(linenum)
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targets = []
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maintainers = []
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status = '-'
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add_targets(linenum)
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class Boards:
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"""Manage a list of boards."""
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def __init__(self):
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self._boards = []
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def add_board(self, brd):
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"""Add a new board to the list.
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The board's target member must not already exist in the board list.
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Args:
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brd (Board): board to add
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"""
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self._boards.append(brd)
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def read_boards(self, fname):
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"""Read a list of boards from a board file.
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Create a Board object for each and add it to our _boards list.
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Args:
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fname (str): Filename of boards.cfg file
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"""
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with open(fname, 'r', encoding='utf-8') as inf:
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for line in inf:
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if line[0] == '#':
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continue
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fields = line.split()
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if not fields:
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continue
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for upto, field in enumerate(fields):
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if field == '-':
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fields[upto] = ''
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while len(fields) < 8:
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fields.append('')
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if len(fields) > 8:
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fields = fields[:8]
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brd = board.Board(*fields)
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self.add_board(brd)
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def get_list(self):
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"""Return a list of available boards.
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Returns:
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List of Board objects
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"""
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return self._boards
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def get_dict(self):
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"""Build a dictionary containing all the boards.
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Returns:
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Dictionary:
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key is board.target
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value is board
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"""
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board_dict = OrderedDict()
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for brd in self._boards:
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board_dict[brd.target] = brd
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return board_dict
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def get_selected_dict(self):
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"""Return a dictionary containing the selected boards
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Returns:
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List of Board objects that are marked selected
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"""
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board_dict = OrderedDict()
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for brd in self._boards:
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if brd.build_it:
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board_dict[brd.target] = brd
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return board_dict
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def get_selected(self):
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"""Return a list of selected boards
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Returns:
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List of Board objects that are marked selected
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"""
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return [brd for brd in self._boards if brd.build_it]
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def get_selected_names(self):
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"""Return a list of selected boards
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Returns:
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List of board names that are marked selected
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"""
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return [brd.target for brd in self._boards if brd.build_it]
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@classmethod
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def _build_terms(cls, args):
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"""Convert command line arguments to a list of terms.
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This deals with parsing of the arguments. It handles the '&'
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operator, which joins several expressions into a single Term.
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For example:
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['arm & freescale sandbox', 'tegra']
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will produce 3 Terms containing expressions as follows:
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arm, freescale
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sandbox
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tegra
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The first Term has two expressions, both of which must match for
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a board to be selected.
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Args:
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args (list of str): List of command line arguments
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Returns:
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list of Term: A list of Term objects
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"""
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syms = []
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for arg in args:
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for word in arg.split():
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sym_build = []
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for term in word.split('&'):
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if term:
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sym_build.append(term)
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sym_build.append('&')
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syms += sym_build[:-1]
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terms = []
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term = None
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oper = None
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for sym in syms:
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if sym == '&':
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oper = sym
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elif oper:
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term.add_expr(sym)
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oper = None
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else:
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if term:
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terms.append(term)
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|
term = Term()
|
|
term.add_expr(sym)
|
|
if term:
|
|
terms.append(term)
|
|
return terms
|
|
|
|
def select_boards(self, args, exclude=None, brds=None):
|
|
"""Mark boards selected based on args
|
|
|
|
Normally either boards (an explicit list of boards) or args (a list of
|
|
terms to match against) is used. It is possible to specify both, in
|
|
which case they are additive.
|
|
|
|
If brds and args are both empty, all boards are selected.
|
|
|
|
Args:
|
|
args (list of str): List of strings specifying boards to include,
|
|
either named, or by their target, architecture, cpu, vendor or
|
|
soc. If empty, all boards are selected.
|
|
exclude (list of str): List of boards to exclude, regardless of
|
|
'args', or None for none
|
|
brds (list of Board): List of boards to build, or None/[] for all
|
|
|
|
Returns:
|
|
Tuple
|
|
Dictionary which holds the list of boards which were selected
|
|
due to each argument, arranged by argument.
|
|
List of errors found
|
|
"""
|
|
def _check_board(brd):
|
|
"""Check whether to include or exclude a board
|
|
|
|
Checks the various terms and decide whether to build it or not (the
|
|
'build_it' variable).
|
|
|
|
If it is built, add the board to the result[term] list so we know
|
|
which term caused it to be built. Add it to result['all'] also.
|
|
|
|
Keep a list of boards we found in 'found', so we can report boards
|
|
which appear in self._boards but not in brds.
|
|
|
|
Args:
|
|
brd (Board): Board to check
|
|
"""
|
|
matching_term = None
|
|
build_it = False
|
|
if terms:
|
|
for term in terms:
|
|
if term.matches(brd.props):
|
|
matching_term = str(term)
|
|
build_it = True
|
|
break
|
|
elif brds:
|
|
if brd.target in brds:
|
|
build_it = True
|
|
found.append(brd.target)
|
|
else:
|
|
build_it = True
|
|
|
|
# Check that it is not specifically excluded
|
|
for expr in exclude_list:
|
|
if expr.matches(brd.props):
|
|
build_it = False
|
|
break
|
|
|
|
if build_it:
|
|
brd.build_it = True
|
|
if matching_term:
|
|
result[matching_term].append(brd.target)
|
|
result['all'].append(brd.target)
|
|
|
|
result = OrderedDict()
|
|
warnings = []
|
|
terms = self._build_terms(args)
|
|
|
|
result['all'] = []
|
|
for term in terms:
|
|
result[str(term)] = []
|
|
|
|
exclude_list = []
|
|
if exclude:
|
|
for expr in exclude:
|
|
exclude_list.append(Expr(expr))
|
|
|
|
found = []
|
|
for brd in self._boards:
|
|
_check_board(brd)
|
|
|
|
if brds:
|
|
remaining = set(brds) - set(found)
|
|
if remaining:
|
|
warnings.append(f"Boards not found: {', '.join(remaining)}\n")
|
|
|
|
return result, warnings
|
|
|
|
@classmethod
|
|
def scan_defconfigs_for_multiprocess(cls, srcdir, queue, defconfigs,
|
|
warn_targets):
|
|
"""Scan defconfig files and queue their board parameters
|
|
|
|
This function is intended to be passed to multiprocessing.Process()
|
|
constructor.
|
|
|
|
Args:
|
|
srcdir (str): Directory containing source code
|
|
queue (multiprocessing.Queue): The resulting board parameters are
|
|
written into this.
|
|
defconfigs (sequence of str): A sequence of defconfig files to be
|
|
scanned.
|
|
warn_targets (bool): True to warn about missing or duplicate
|
|
CONFIG_TARGET options
|
|
"""
|
|
kconf_scanner = KconfigScanner(srcdir)
|
|
for defconfig in defconfigs:
|
|
queue.put(kconf_scanner.scan(defconfig, warn_targets))
|
|
|
|
@classmethod
|
|
def read_queues(cls, queues, params_list, warnings):
|
|
"""Read the queues and append the data to the paramers list
|
|
|
|
Args:
|
|
queues (list of multiprocessing.Queue): Queues to read
|
|
params_list (list of dict): List to add params too
|
|
warnings (set of str): Set to add warnings to
|
|
"""
|
|
for que in queues:
|
|
while not que.empty():
|
|
params, warn = que.get()
|
|
params_list.append(params)
|
|
warnings.update(warn)
|
|
|
|
def scan_defconfigs(self, config_dir, srcdir, jobs=1, warn_targets=False):
|
|
"""Collect board parameters for all defconfig files.
|
|
|
|
This function invokes multiple processes for faster processing.
|
|
|
|
Args:
|
|
config_dir (str): Directory containing the defconfig files
|
|
srcdir (str): Directory containing source code (Kconfig files)
|
|
jobs (int): The number of jobs to run simultaneously
|
|
warn_targets (bool): True to warn about missing or duplicate
|
|
CONFIG_TARGET options
|
|
|
|
Returns:
|
|
tuple:
|
|
list of dict: List of board parameters, each a dict:
|
|
key: 'arch', 'cpu', 'soc', 'vendor', 'board', 'target',
|
|
'config'
|
|
value: string value of the key
|
|
list of str: List of warnings recorded
|
|
"""
|
|
all_defconfigs = []
|
|
for (dirpath, _, filenames) in os.walk(config_dir):
|
|
for filename in fnmatch.filter(filenames, '*_defconfig'):
|
|
if fnmatch.fnmatch(filename, '.*'):
|
|
continue
|
|
all_defconfigs.append(os.path.join(dirpath, filename))
|
|
|
|
total_boards = len(all_defconfigs)
|
|
processes = []
|
|
queues = []
|
|
for i in range(jobs):
|
|
defconfigs = all_defconfigs[total_boards * i // jobs :
|
|
total_boards * (i + 1) // jobs]
|
|
que = multiprocessing.Queue(maxsize=-1)
|
|
proc = multiprocessing.Process(
|
|
target=self.scan_defconfigs_for_multiprocess,
|
|
args=(srcdir, que, defconfigs, warn_targets))
|
|
proc.start()
|
|
processes.append(proc)
|
|
queues.append(que)
|
|
|
|
# The resulting data should be accumulated to these lists
|
|
params_list = []
|
|
warnings = set()
|
|
|
|
# Data in the queues should be retrieved preriodically.
|
|
# Otherwise, the queues would become full and subprocesses would get stuck.
|
|
while any(p.is_alive() for p in processes):
|
|
self.read_queues(queues, params_list, warnings)
|
|
# sleep for a while until the queues are filled
|
|
time.sleep(SLEEP_TIME)
|
|
|
|
# Joining subprocesses just in case
|
|
# (All subprocesses should already have been finished)
|
|
for proc in processes:
|
|
proc.join()
|
|
|
|
# retrieve leftover data
|
|
self.read_queues(queues, params_list, warnings)
|
|
|
|
return params_list, sorted(list(warnings))
|
|
|
|
@classmethod
|
|
def insert_maintainers_info(cls, srcdir, params_list):
|
|
"""Add Status and Maintainers information to the board parameters list.
|
|
|
|
Args:
|
|
params_list (list of dict): A list of the board parameters
|
|
|
|
Returns:
|
|
list of str: List of warnings collected due to missing status, etc.
|
|
"""
|
|
database = MaintainersDatabase()
|
|
for (dirpath, _, filenames) in os.walk(srcdir):
|
|
if 'MAINTAINERS' in filenames and 'tools/buildman' not in dirpath:
|
|
database.parse_file(srcdir,
|
|
os.path.join(dirpath, 'MAINTAINERS'))
|
|
|
|
for i, params in enumerate(params_list):
|
|
target = params['target']
|
|
maintainers = database.get_maintainers(target)
|
|
params['maintainers'] = maintainers
|
|
if maintainers:
|
|
params['status'] = database.get_status(target)
|
|
else:
|
|
params['status'] = '-'
|
|
params_list[i] = params
|
|
return sorted(database.warnings)
|
|
|
|
@classmethod
|
|
def format_and_output(cls, params_list, output):
|
|
"""Write board parameters into a file.
|
|
|
|
Columnate the board parameters, sort lines alphabetically,
|
|
and then write them to a file.
|
|
|
|
Args:
|
|
params_list (list of dict): The list of board parameters
|
|
output (str): The path to the output file
|
|
"""
|
|
fields = ('status', 'arch', 'cpu', 'soc', 'vendor', 'board', 'target',
|
|
'config', 'maintainers')
|
|
|
|
# First, decide the width of each column
|
|
max_length = {f: 0 for f in fields}
|
|
for params in params_list:
|
|
for field in fields:
|
|
max_length[field] = max(max_length[field], len(params[field]))
|
|
|
|
output_lines = []
|
|
for params in params_list:
|
|
line = ''
|
|
for field in fields:
|
|
# insert two spaces between fields like column -t would
|
|
line += ' ' + params[field].ljust(max_length[field])
|
|
output_lines.append(line.strip())
|
|
|
|
# ignore case when sorting
|
|
output_lines.sort(key=str.lower)
|
|
|
|
with open(output, 'w', encoding="utf-8") as outf:
|
|
outf.write(COMMENT_BLOCK + '\n'.join(output_lines) + '\n')
|
|
|
|
def build_board_list(self, config_dir=CONFIG_DIR, srcdir='.', jobs=1,
|
|
warn_targets=False):
|
|
"""Generate a board-database file
|
|
|
|
This works by reading the Kconfig, then loading each board's defconfig
|
|
in to get the setting for each option. In particular, CONFIG_TARGET_xxx
|
|
is typically set by the defconfig, where xxx is the target to build.
|
|
|
|
Args:
|
|
config_dir (str): Directory containing the defconfig files
|
|
srcdir (str): Directory containing source code (Kconfig files)
|
|
jobs (int): The number of jobs to run simultaneously
|
|
warn_targets (bool): True to warn about missing or duplicate
|
|
CONFIG_TARGET options
|
|
|
|
Returns:
|
|
tuple:
|
|
list of dict: List of board parameters, each a dict:
|
|
key: 'arch', 'cpu', 'soc', 'vendor', 'board', 'config',
|
|
'target'
|
|
value: string value of the key
|
|
list of str: Warnings that came up
|
|
"""
|
|
params_list, warnings = self.scan_defconfigs(config_dir, srcdir, jobs,
|
|
warn_targets)
|
|
m_warnings = self.insert_maintainers_info(srcdir, params_list)
|
|
return params_list, warnings + m_warnings
|
|
|
|
def ensure_board_list(self, output, jobs=1, force=False, quiet=False):
|
|
"""Generate a board database file if needed.
|
|
|
|
This is intended to check if Kconfig has changed since the boards.cfg
|
|
files was generated.
|
|
|
|
Args:
|
|
output (str): The name of the output file
|
|
jobs (int): The number of jobs to run simultaneously
|
|
force (bool): Force to generate the output even if it is new
|
|
quiet (bool): True to avoid printing a message if nothing needs doing
|
|
|
|
Returns:
|
|
bool: True if all is well, False if there were warnings
|
|
"""
|
|
if not force and output_is_new(output, CONFIG_DIR, '.'):
|
|
if not quiet:
|
|
print(f'{output} is up to date. Nothing to do.')
|
|
return True
|
|
params_list, warnings = self.build_board_list(CONFIG_DIR, '.', jobs)
|
|
for warn in warnings:
|
|
print(warn, file=sys.stderr)
|
|
self.format_and_output(params_list, output)
|
|
return not warnings
|