mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 02:30:34 +02:00
87c9c16317
Add basic support to run QEMU via kunit_tool. Add support for i386, x86_64, arm, arm64, and a bunch more. Signed-off-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: David Gow <davidgow@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
94 lines
2.5 KiB
Python
94 lines
2.5 KiB
Python
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Builds a .config from a kunitconfig.
|
|
#
|
|
# Copyright (C) 2019, Google LLC.
|
|
# Author: Felix Guo <felixguoxiuping@gmail.com>
|
|
# Author: Brendan Higgins <brendanhiggins@google.com>
|
|
|
|
import collections
|
|
import re
|
|
from typing import List, Set
|
|
|
|
CONFIG_IS_NOT_SET_PATTERN = r'^# CONFIG_(\w+) is not set$'
|
|
CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+|".*")$'
|
|
|
|
KconfigEntryBase = collections.namedtuple('KconfigEntryBase', ['name', 'value'])
|
|
|
|
class KconfigEntry(KconfigEntryBase):
|
|
|
|
def __str__(self) -> str:
|
|
if self.value == 'n':
|
|
return r'# CONFIG_%s is not set' % (self.name)
|
|
else:
|
|
return r'CONFIG_%s=%s' % (self.name, self.value)
|
|
|
|
|
|
class KconfigParseError(Exception):
|
|
"""Error parsing Kconfig defconfig or .config."""
|
|
|
|
|
|
class Kconfig(object):
|
|
"""Represents defconfig or .config specified using the Kconfig language."""
|
|
|
|
def __init__(self) -> None:
|
|
self._entries = [] # type: List[KconfigEntry]
|
|
|
|
def entries(self) -> Set[KconfigEntry]:
|
|
return set(self._entries)
|
|
|
|
def add_entry(self, entry: KconfigEntry) -> None:
|
|
self._entries.append(entry)
|
|
|
|
def is_subset_of(self, other: 'Kconfig') -> bool:
|
|
other_dict = {e.name: e.value for e in other.entries()}
|
|
for a in self.entries():
|
|
b = other_dict.get(a.name)
|
|
if b is None:
|
|
if a.value == 'n':
|
|
continue
|
|
return False
|
|
elif a.value != b:
|
|
return False
|
|
return True
|
|
|
|
def merge_in_entries(self, other: 'Kconfig') -> None:
|
|
if other.is_subset_of(self):
|
|
return
|
|
self._entries = list(self.entries().union(other.entries()))
|
|
|
|
def write_to_file(self, path: str) -> None:
|
|
with open(path, 'a+') as f:
|
|
for entry in self.entries():
|
|
f.write(str(entry) + '\n')
|
|
|
|
def parse_from_string(self, blob: str) -> None:
|
|
"""Parses a string containing KconfigEntrys and populates this Kconfig."""
|
|
self._entries = []
|
|
is_not_set_matcher = re.compile(CONFIG_IS_NOT_SET_PATTERN)
|
|
config_matcher = re.compile(CONFIG_PATTERN)
|
|
for line in blob.split('\n'):
|
|
line = line.strip()
|
|
if not line:
|
|
continue
|
|
|
|
match = config_matcher.match(line)
|
|
if match:
|
|
entry = KconfigEntry(match.group(1), match.group(2))
|
|
self.add_entry(entry)
|
|
continue
|
|
|
|
empty_match = is_not_set_matcher.match(line)
|
|
if empty_match:
|
|
entry = KconfigEntry(empty_match.group(1), 'n')
|
|
self.add_entry(entry)
|
|
continue
|
|
|
|
if line[0] == '#':
|
|
continue
|
|
else:
|
|
raise KconfigParseError('Failed to parse: ' + line)
|
|
|
|
def read_from_file(self, path: str) -> None:
|
|
with open(path, 'r') as f:
|
|
self.parse_from_string(f.read())
|