zephyr/scripts/west_commands/runners/pyocd.py

220 lines
7.9 KiB
Python

# Copyright (c) 2017 Linaro Limited.
#
# SPDX-License-Identifier: Apache-2.0
'''Runner for pyOCD .'''
from functools import partial
import os
from os import path
from runners.core import ZephyrBinaryRunner, RunnerCaps, \
BuildConfiguration, depr_action
DEFAULT_PYOCD_GDB_PORT = 3333
DEFAULT_PYOCD_TELNET_PORT = 4444
class PyOcdBinaryRunner(ZephyrBinaryRunner):
'''Runner front-end for pyOCD.'''
def __init__(self, cfg, target,
pyocd='pyocd',
dev_id=None, flash_addr=0x0, erase=False, flash_opts=None,
gdb_port=DEFAULT_PYOCD_GDB_PORT,
telnet_port=DEFAULT_PYOCD_TELNET_PORT, tui=False,
pyocd_config=None,
daparg=None, frequency=None, tool_opt=None):
super().__init__(cfg)
default = path.join(cfg.board_dir, 'support', 'pyocd.yaml')
if path.exists(default):
self.pyocd_config = default
else:
self.pyocd_config = None
self.target_args = ['-t', target]
self.pyocd = pyocd
self.flash_addr_args = ['-a', hex(flash_addr)] if flash_addr else []
self.erase = erase
self.gdb_cmd = [cfg.gdb] if cfg.gdb is not None else None
self.gdb_port = gdb_port
self.telnet_port = telnet_port
self.tui_args = ['-tui'] if tui else []
self.hex_name = cfg.hex_file
self.bin_name = cfg.bin_file
self.elf_name = cfg.elf_file
pyocd_config_args = []
if self.pyocd_config is not None:
pyocd_config_args = ['--config', self.pyocd_config]
self.pyocd_config_args = pyocd_config_args
board_args = []
if dev_id is not None:
board_args = ['-u', dev_id]
self.board_args = board_args
daparg_args = []
if daparg is not None:
daparg_args = ['-da', daparg]
self.daparg_args = daparg_args
frequency_args = []
if frequency is not None:
frequency_args = ['-f', frequency]
self.frequency_args = frequency_args
self.tool_opt_args = tool_opt or []
self.flash_extra = flash_opts if flash_opts else []
@classmethod
def name(cls):
return 'pyocd'
@classmethod
def capabilities(cls):
return RunnerCaps(commands={'flash', 'debug', 'debugserver', 'attach'},
dev_id=True, flash_addr=True, erase=True,
tool_opt=True)
@classmethod
def dev_id_help(cls) -> str:
return '''Device identifier. Use it to select the probe's unique ID
or substring thereof.'''
@classmethod
def do_add_parser(cls, parser):
parser.add_argument('--target', required=True,
help='target override')
parser.add_argument('--daparg',
help='Additional -da arguments to pyocd tool')
parser.add_argument('--pyocd', default='pyocd',
help='path to pyocd tool, default is pyocd')
parser.add_argument('--flash-opt', default=[], action='append',
help='''Additional options for pyocd flash,
e.g. --flash-opt="-e=chip" to chip erase''')
parser.add_argument('--frequency',
help='SWD clock frequency in Hz')
parser.add_argument('--gdb-port', default=DEFAULT_PYOCD_GDB_PORT,
help='pyocd gdb port, defaults to {}'.format(
DEFAULT_PYOCD_GDB_PORT))
parser.add_argument('--telnet-port', default=DEFAULT_PYOCD_TELNET_PORT,
help='pyocd telnet port, defaults to {}'.format(
DEFAULT_PYOCD_TELNET_PORT))
parser.add_argument('--tui', default=False, action='store_true',
help='if given, GDB uses -tui')
parser.add_argument('--board-id', dest='dev_id',
action=partial(depr_action,
replacement='-i/--dev-id'),
help='Deprecated: use -i/--dev-id instead')
@classmethod
def tool_opt_help(cls) -> str:
return """Additional options for pyocd commander,
e.g. '--script=user.py'"""
@classmethod
def do_create(cls, cfg, args):
build_conf = BuildConfiguration(cfg.build_dir)
flash_addr = cls.get_flash_address(args, build_conf)
ret = PyOcdBinaryRunner(
cfg, args.target,
pyocd=args.pyocd,
flash_addr=flash_addr, erase=args.erase, flash_opts=args.flash_opt,
gdb_port=args.gdb_port, telnet_port=args.telnet_port, tui=args.tui,
dev_id=args.dev_id, daparg=args.daparg,
frequency=args.frequency,
tool_opt=args.tool_opt)
daparg = os.environ.get('PYOCD_DAPARG')
if not ret.daparg_args and daparg:
ret.logger.warning('PYOCD_DAPARG is deprecated; use --daparg')
ret.logger.debug('--daparg={} via PYOCD_DAPARG'.format(daparg))
ret.daparg_args = ['-da', daparg]
return ret
def port_args(self):
return ['-p', str(self.gdb_port), '-T', str(self.telnet_port)]
def do_run(self, command, **kwargs):
self.require(self.pyocd)
if command == 'flash':
self.flash(**kwargs)
else:
self.debug_debugserver(command, **kwargs)
def flash(self, **kwargs):
if self.hex_name is not None and os.path.isfile(self.hex_name):
fname = self.hex_name
elif self.bin_name is not None and os.path.isfile(self.bin_name):
self.logger.warning(
'hex file ({}) does not exist; falling back on .bin ({}). '.
format(self.hex_name, self.bin_name) +
'Consider enabling CONFIG_BUILD_OUTPUT_HEX.')
fname = self.bin_name
else:
raise ValueError(
'Cannot flash; no hex ({}) or bin ({}) files found. '.format(
self.hex_name, self.bin_name))
erase_method = 'chip' if self.erase else 'sector'
cmd = ([self.pyocd] +
['flash'] +
self.pyocd_config_args +
['-e', erase_method] +
self.flash_addr_args +
self.daparg_args +
self.target_args +
self.board_args +
self.frequency_args +
self.tool_opt_args +
self.flash_extra +
[fname])
self.logger.info('Flashing file: {}'.format(fname))
self.check_call(cmd)
def log_gdbserver_message(self):
self.logger.info('pyOCD GDB server running on port {}'.
format(self.gdb_port))
def debug_debugserver(self, command, **kwargs):
server_cmd = ([self.pyocd] +
['gdbserver'] +
self.daparg_args +
self.port_args() +
self.target_args +
self.board_args +
self.frequency_args +
self.tool_opt_args)
if command == 'debugserver':
self.log_gdbserver_message()
self.check_call(server_cmd)
else:
if self.gdb_cmd is None:
raise ValueError('Cannot debug; gdb is missing')
if self.elf_name is None:
raise ValueError('Cannot debug; elf is missing')
client_cmd = (self.gdb_cmd +
self.tui_args +
[self.elf_name] +
['-ex', 'target remote :{}'.format(self.gdb_port)])
if command == 'debug':
client_cmd += ['-ex', 'monitor halt',
'-ex', 'monitor reset',
'-ex', 'load']
self.require(client_cmd[0])
self.log_gdbserver_message()
self.run_server_and_client(server_cmd, client_cmd)