146 lines
5.2 KiB
Python
146 lines
5.2 KiB
Python
# Copyright (c) 2017 Linaro Limited.
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#
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# SPDX-License-Identifier: Apache-2.0
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'''Runner for openocd.'''
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from os import path
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from .core import ZephyrBinaryRunner
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DEFAULT_OPENOCD_TCL_PORT = 6333
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DEFAULT_OPENOCD_TELNET_PORT = 4444
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DEFAULT_OPENOCD_GDB_PORT = 3333
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class OpenOcdBinaryRunner(ZephyrBinaryRunner):
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'''Runner front-end for openocd.'''
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def __init__(self, cfg,
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pre_cmd=None, load_cmd=None, verify_cmd=None, post_cmd=None,
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tui=None,
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tcl_port=DEFAULT_OPENOCD_TCL_PORT,
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telnet_port=DEFAULT_OPENOCD_TELNET_PORT,
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gdb_port=DEFAULT_OPENOCD_GDB_PORT):
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super(OpenOcdBinaryRunner, self).__init__(cfg)
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self.openocd_config = path.join(cfg.board_dir, 'support',
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'openocd.cfg')
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search_args = []
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if cfg.openocd_search is not None:
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search_args = ['-s', cfg.openocd_search]
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self.openocd_cmd = [cfg.openocd] + search_args
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self.elf_name = cfg.kernel_elf
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self.load_cmd = load_cmd
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self.verify_cmd = verify_cmd
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self.pre_cmd = pre_cmd
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self.post_cmd = post_cmd
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self.tcl_port = tcl_port
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self.telnet_port = telnet_port
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self.gdb_port = gdb_port
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self.gdb_cmd = [cfg.gdb] if cfg.gdb else None
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self.tui_arg = ['-tui'] if tui else []
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@classmethod
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def name(cls):
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return 'openocd'
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@classmethod
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def do_add_parser(cls, parser):
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# Options for flashing:
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parser.add_argument('--cmd-pre-load',
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help='Command to run before flashing')
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parser.add_argument('--cmd-load',
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help='''Command to load/flash binary
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(required when flashing)''')
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parser.add_argument('--cmd-verify',
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help='''Command to verify flashed binary''')
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parser.add_argument('--cmd-post-verify',
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help='Command to run after verification')
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# Options for debugging:
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parser.add_argument('--tui', default=False, action='store_true',
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help='if given, GDB uses -tui')
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parser.add_argument('--tcl-port', default=DEFAULT_OPENOCD_TCL_PORT,
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help='openocd TCL port, defaults to 6333')
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parser.add_argument('--telnet-port',
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default=DEFAULT_OPENOCD_TELNET_PORT,
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help='openocd telnet port, defaults to 4444')
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parser.add_argument('--gdb-port', default=DEFAULT_OPENOCD_GDB_PORT,
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help='openocd gdb port, defaults to 3333')
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@classmethod
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def create(cls, cfg, args):
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return OpenOcdBinaryRunner(
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cfg,
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pre_cmd=args.cmd_pre_load, load_cmd=args.cmd_load,
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verify_cmd=args.cmd_verify, post_cmd=args.cmd_post_verify,
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tui=args.tui,
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tcl_port=args.tcl_port, telnet_port=args.telnet_port,
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gdb_port=args.gdb_port)
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def do_run(self, command, **kwargs):
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if command == 'flash':
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self.do_flash(**kwargs)
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elif command == 'debug':
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self.do_debug(**kwargs)
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else:
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self.do_debugserver(**kwargs)
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def do_flash(self, **kwargs):
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if self.load_cmd is None:
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raise ValueError('Cannot flash; load command is missing')
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if self.verify_cmd is None:
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raise ValueError('Cannot flash; verify command is missing')
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pre_cmd = []
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if self.pre_cmd is not None:
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pre_cmd = ['-c', self.pre_cmd]
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post_cmd = []
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if self.post_cmd is not None:
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post_cmd = ['-c', self.post_cmd]
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cmd = (self.openocd_cmd +
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['-f', self.openocd_config,
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'-c', 'init',
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'-c', 'targets'] +
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pre_cmd +
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['-c', 'reset halt',
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'-c', self.load_cmd,
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'-c', 'reset halt',
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'-c', self.verify_cmd] +
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post_cmd +
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['-c', 'reset run',
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'-c', 'shutdown'])
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self.check_call(cmd)
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def do_debug(self, **kwargs):
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if self.gdb_cmd is None:
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raise ValueError('Cannot debug; no gdb specified')
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if self.elf_name is None:
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raise ValueError('Cannot debug; no .elf specified')
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server_cmd = (self.openocd_cmd +
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['-f', self.openocd_config,
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'-c', 'tcl_port {}'.format(self.tcl_port),
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'-c', 'telnet_port {}'.format(self.telnet_port),
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'-c', 'gdb_port {}'.format(self.gdb_port),
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'-c', 'init',
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'-c', 'targets',
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'-c', 'halt'])
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gdb_cmd = (self.gdb_cmd + self.tui_arg +
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['-ex', 'target remote :{}'.format(self.gdb_port),
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self.elf_name])
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self.run_server_and_client(server_cmd, gdb_cmd)
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def do_debugserver(self, **kwargs):
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cmd = (self.openocd_cmd +
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['-f', self.openocd_config,
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'-c', 'init',
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'-c', 'targets',
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'-c', 'reset halt'])
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self.check_call(cmd)
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