mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
290 lines
8.4 KiB
Python
290 lines
8.4 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2012 The Chromium OS Authors.
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import re
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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: 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 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 AddExpr(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: 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 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 Board:
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"""A particular board that we can build"""
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def __init__(self, status, arch, cpu, soc, vendor, board_name, target, options):
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"""Create a new board type.
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Args:
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status: define whether the board is 'Active' or 'Orphaned'
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arch: Architecture name (e.g. arm)
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cpu: Cpu name (e.g. arm1136)
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soc: Name of SOC, or '' if none (e.g. mx31)
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vendor: Name of vendor (e.g. armltd)
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board_name: Name of board (e.g. integrator)
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target: Target name (use make <target>_defconfig to configure)
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options: board-specific options (e.g. integratorcp:CM1136)
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"""
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self.target = target
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self.arch = arch
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self.cpu = cpu
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self.board_name = board_name
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self.vendor = vendor
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self.soc = soc
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self.options = options
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self.props = [self.target, self.arch, self.cpu, self.board_name,
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self.vendor, self.soc, self.options]
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self.build_it = False
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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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# Use a simple list here, sinc OrderedDict requires Python 2.7
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self._boards = []
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def AddBoard(self, board):
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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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board: board to add
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"""
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self._boards.append(board)
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def ReadBoards(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: Filename of boards.cfg file
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"""
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with open(fname, 'r') as fd:
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for line in fd:
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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 in range(len(fields)):
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if fields[upto] == '-':
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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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board = Board(*fields)
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self.AddBoard(board)
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def GetList(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 GetDict(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 = {}
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for board in self._boards:
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board_dict[board.target] = board
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return board_dict
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def GetSelectedDict(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 = {}
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for board in self._boards:
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if board.build_it:
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board_dict[board.target] = board
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return board_dict
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def GetSelected(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 [board for board in self._boards if board.build_it]
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def GetSelectedNames(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 [board.target for board in self._boards if board.build_it]
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def _BuildTerms(self, 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 command line arguments
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Returns:
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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.AddExpr(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()
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term.AddExpr(sym)
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if term:
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terms.append(term)
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return terms
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def SelectBoards(self, args, exclude=[]):
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"""Mark boards selected based on args
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Args:
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args: List of strings specifying boards to include, either named,
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or by their target, architecture, cpu, vendor or soc. If
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empty, all boards are selected.
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exclude: List of boards to exclude, regardless of 'args'
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Returns:
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Dictionary which holds the list of boards which were selected
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due to each argument, arranged by argument.
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"""
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result = {}
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terms = self._BuildTerms(args)
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result['all'] = []
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for term in terms:
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result[str(term)] = []
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exclude_list = []
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for expr in exclude:
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exclude_list.append(Expr(expr))
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for board in self._boards:
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matching_term = None
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build_it = False
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if terms:
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match = False
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for term in terms:
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if term.Matches(board.props):
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matching_term = str(term)
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build_it = True
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break
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else:
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build_it = True
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# Check that it is not specifically excluded
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for expr in exclude_list:
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if expr.Matches(board.props):
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build_it = False
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break
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if build_it:
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board.build_it = True
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if matching_term:
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result[matching_term].append(board.target)
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result['all'].append(board.target)
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return result
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