testing/kunit/kunit_kernel.py

1 # SPDX-License-Identifier: GPL-2.0
32 ABS_TOOL_PATH = os.path.abspath(os.path.dirname(__file__))
33 QEMU_CONFIGS_DIR = os.path.join(ABS_TOOL_PATH, 'qemu_configs')
50 	def make_mrproper(self) -> None:
52 			subprocess.check_output(['make', 'mrproper'], stderr=subprocess.STDOUT)
58 	def make_arch_config(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
61 	def make_olddefconfig(self, build_dir: str, make_options: Optional[List[str]]) -> None:
69 			subprocess.check_output(command, stderr=subprocess.STDOUT)
75 	def make(self, jobs: int, build_dir: str, make_options: Optional[List[str]]) -> None:
77 			   'ARCH=' + self._linux_arch, 'O=' + build_dir, '--jobs=' + str(jobs)]
86 						stdout=subprocess.DEVNULL)
97 	def start(self, params: List[str], build_dir: str) -> subprocess.Popen:
115 	def make_arch_config(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
120 	def start(self, params: List[str], build_dir: str) -> subprocess.Popen:
121 		kernel_path = os.path.join(build_dir, self._kernel_path)
122 		qemu_command = ['qemu-system-' + self._qemu_arch,
123 				'-nodefaults',
124 				'-m', '1024',
125 				'-kernel', kernel_path,
126 				'-append', ' '.join(params + [self._kernel_command_line]),
127 				'-no-reboot',
128 				'-nographic',
129 				'-accel', 'kvm',
130 				'-accel', 'hvf',
131 				'-accel', 'tcg',
132 				'-serial', self._serial] + self._extra_qemu_params
137 					stdout=subprocess.PIPE,
138 					stderr=subprocess.STDOUT,
147 	def make_arch_config(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
152 	def start(self, params: List[str], build_dir: str) -> subprocess.Popen:
154 		linux_bin = os.path.join(build_dir, 'linux')
159 					   stdout=subprocess.PIPE,
160 					   stderr=subprocess.STDOUT,
163 def get_kconfig_path(build_dir: str) -> str:
164 	return os.path.join(build_dir, KCONFIG_PATH)
166 def get_kunitconfig_path(build_dir: str) -> str:
167 	return os.path.join(build_dir, KUNITCONFIG_PATH)
169 def get_old_kunitconfig_path(build_dir: str) -> str:
170 	return os.path.join(build_dir, OLD_KUNITCONFIG_PATH)
173 			   kunitconfig_paths: Optional[List[str]]=None) -> kunit_config.Kconfig:
175 		path = get_kunitconfig_path(build_dir)
176 		if not os.path.exists(path):
177 			shutil.copyfile(DEFAULT_KUNITCONFIG_PATH, path)
178 		return kunit_config.parse_file(path)
182 	for path in kunitconfig_paths:
183 		if os.path.isdir(path):
184 			path = os.path.join(path, KUNITCONFIG_PATH)
185 		if not os.path.exists(path):
186 			raise ConfigError(f'Specified kunitconfig ({path}) does not exist')
188 		partial = kunit_config.parse_file(path)
191 			diff_str = '\n\n'.join(f'{a}\n  vs from {path}\n{b}' for a, b in diff)
196 def get_outfile_path(build_dir: str) -> str:
197 	return os.path.join(build_dir, OUTFILE_PATH)
199 def _default_qemu_config_path(arch: str) -> str:
200 	config_path = os.path.join(QEMU_CONFIGS_DIR, arch + '.py')
201 	if os.path.isfile(config_path):
204 	options = [f[:-3] for f in os.listdir(QEMU_CONFIGS_DIR) if f.endswith('.py')]
216 		  cross_compile: Optional[str]) -> Tuple[str, LinuxSourceTreeOperations]:
217 	# The module name/path has very little to do with where the actual file
225 	module_path = '.' + os.path.join(os.path.basename(QEMU_CONFIGS_DIR), os.path.basename(config_path))
252 	      extra_qemu_args: Optional[List[str]]=None) -> None:
269 	def arch(self) -> str:
272 	def clean(self) -> bool:
280 	def validate_config(self, build_dir: str) -> bool:
285 		missing = set(self._kconfig.as_entries()) - set(validated_kconfig.as_entries())
291 				   'on a different architecture with something like "--arch=x86_64".'
295 	def build_config(self, build_dir: str, make_options: Optional[List[str]]) -> bool:
297 		if build_dir and not os.path.exists(build_dir):
310 		if os.path.exists(old_path):
315 	def _kunitconfig_changed(self, build_dir: str) -> bool:
317 		if not os.path.exists(old_path):
323 	def build_reconfig(self, build_dir: str, make_options: Optional[List[str]]) -> bool:
326 		if not os.path.exists(kconfig_path):
339 	def build_kernel(self, jobs: int, build_dir: str, make_options: Optional[List[str]]) -> bool:
348 …, filter: str='', filter_action: Optional[str]=None, timeout: Optional[int]=None) -> Iterator[str]:
349 		# Copy to avoid mutating the caller-supplied list. exec_tests() reuses
350 		# the same args across repeated run_kernel() calls (e.g. --run_isolated),
362 		assert process.stdout is not None  # tell mypy it's set
365 		def _wait_proc() -> None:
378 			for line in process.stdout:
384 			output.write(process.stdout.read())
386 			process.stdout.close()
391 	def signal_handler(self, unused_sig: int, unused_frame: Optional[FrameType]) -> None: