| # Copyright (c) 2017 Linaro Limited. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| '''Runner for pyOCD .''' |
| |
| import os |
| |
| from runners.core import ZephyrBinaryRunner, RunnerCaps, \ |
| BuildConfiguration |
| |
| DEFAULT_PYOCD_GDB_PORT = 3333 |
| |
| |
| class PyOcdBinaryRunner(ZephyrBinaryRunner): |
| '''Runner front-end for pyOCD.''' |
| |
| def __init__(self, cfg, target, |
| pyocd='pyocd', |
| flash_addr=0x0, flash_opts=None, |
| gdb_port=DEFAULT_PYOCD_GDB_PORT, tui=False, |
| board_id=None, daparg=None, frequency=None): |
| super(PyOcdBinaryRunner, self).__init__(cfg) |
| |
| self.target_args = ['-t', target] |
| self.pyocd = pyocd |
| self.flash_addr_args = ['-a', hex(flash_addr)] if flash_addr else [] |
| self.gdb_cmd = [cfg.gdb] if cfg.gdb is not None else None |
| self.gdb_port = gdb_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 |
| |
| board_args = [] |
| if board_id is not None: |
| board_args = ['-u', board_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.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'}, |
| flash_addr=True) |
| |
| @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('--tui', default=False, action='store_true', |
| help='if given, GDB uses -tui') |
| parser.add_argument('--board-id', |
| help='ID of board to flash, default is to prompt') |
| |
| @classmethod |
| def 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, flash_opts=args.flash_opt, |
| gdb_port=args.gdb_port, tui=args.tui, |
| board_id=args.board_id, daparg=args.daparg, |
| frequency=args.frequency) |
| |
| 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)] |
| |
| 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 os.path.isfile(self.hex_name): |
| fname = self.hex_name |
| elif 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)) |
| |
| cmd = ([self.pyocd] + |
| ['flash'] + |
| ['-e', 'sector'] + |
| self.flash_addr_args + |
| self.daparg_args + |
| self.target_args + |
| self.board_args + |
| self.frequency_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) |
| |
| 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) |
