zephyr/scripts/meta/west/runner/openocd.py

146 lines
5.2 KiB
Python

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