zephyr/scripts/support/runner/pyocd.py

152 lines
5.6 KiB
Python

# Copyright (c) 2017 Linaro Limited.
#
# SPDX-License-Identifier: Apache-2.0
'''Runner for pyOCD .'''
import os
import sys
from .core import ZephyrBinaryRunner, RunnerCaps, BuildConfiguration
DEFAULT_PYOCD_GDB_PORT = 3333
class PyOcdBinaryRunner(ZephyrBinaryRunner):
'''Runner front-end for pyOCD.'''
def __init__(self, target,
flashtool='pyocd-flashtool', flash_addr=0x0,
flashtool_opts=None,
gdb=None, gdbserver='pyocd-gdbserver',
gdb_port=DEFAULT_PYOCD_GDB_PORT, tui=False,
bin_name=None, elf_name=None,
board_id=None, daparg=None, debug=False):
super(PyOcdBinaryRunner, self).__init__(debug=debug)
self.target_args = ['-t', target]
self.flashtool = flashtool
self.flash_addr_args = ['-a', hex(flash_addr)] if flash_addr else []
self.gdb_cmd = [gdb] if gdb is not None else None
self.gdbserver = gdbserver
self.gdb_port = gdb_port
self.tui_args = ['-tui'] if tui else []
self.bin_name = bin_name
self.elf_name = elf_name
board_args = []
if board_id is not None:
board_args = ['-b', board_id]
self.board_args = board_args
daparg_args = []
if daparg is not None:
daparg_args = ['-da', daparg]
self.daparg_args = daparg_args
self.flashtool_extra = flashtool_opts if flashtool_opts else []
@classmethod
def name(cls):
return 'pyocd'
@classmethod
def capabilities(cls):
return RunnerCaps(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('--flashtool', default='pyocd-flashtool',
help='flash tool path, default is pyocd-flashtool')
parser.add_argument('--flashtool-opt', default=[], action='append',
help='''Additional options for pyocd-flashtool,
e.g. -ce to chip erase''')
parser.add_argument('--gdbserver', default='pyocd-gdbserver',
help='GDB server, default is pyocd-gdbserver')
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_from_args(cls, args):
daparg = os.environ.get('PYOCD_DAPARG')
if daparg:
print('Warning: setting PYOCD_DAPARG in the environment is',
'deprecated; use the --daparg option instead.',
file=sys.stderr)
if args.daparg is None:
print('Missing --daparg set to {} from environment'.format(
daparg),
file=sys.stderr)
args.daparg = daparg
build_conf = BuildConfiguration(os.getcwd())
flash_addr = cls.get_flash_address(args, build_conf)
return PyOcdBinaryRunner(
args.target, flashtool=args.flashtool,
flashtool_opts=args.flashtool_opt,
flash_addr=flash_addr, gdb=args.gdb,
gdbserver=args.gdbserver, gdb_port=args.gdb_port, tui=args.tui,
bin_name=args.kernel_bin, elf_name=args.kernel_elf,
board_id=args.board_id, daparg=args.daparg, debug=args.verbose)
def port_args(self):
return ['-p', str(self.gdb_port)]
def do_run(self, command, **kwargs):
if command == 'flash':
self.flash(**kwargs)
else:
self.debug_debugserver(command, **kwargs)
def flash(self, **kwargs):
if self.bin_name is None:
raise ValueError('Cannot flash; bin_name is missing')
cmd = ([self.flashtool] +
self.flash_addr_args +
self.daparg_args +
self.target_args +
self.board_args +
self.flashtool_extra +
[self.bin_name])
print('Flashing Target Device')
self.check_call(cmd)
def print_gdbserver_message(self):
print('pyOCD GDB server running on port {}'.format(self.gdb_port))
def debug_debugserver(self, command, **kwargs):
server_cmd = ([self.gdbserver] +
self.daparg_args +
self.port_args() +
self.target_args +
self.board_args)
if command == 'debugserver':
self.print_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),
'-ex', 'load',
'-ex', 'monitor reset halt'])
self.print_gdbserver_message()
self.run_server_and_client(server_cmd, client_cmd)