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102 lines
3.1 KiB
102 lines
3.1 KiB
# Copyright (c) 2018 Synopsys Inc. |
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# Copyright (c) 2017 Open Source Foundries Limited. |
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# |
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# SPDX-License-Identifier: Apache-2.0 |
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'''ARC architecture-specific runners.''' |
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from os import path |
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from runners.core import RunnerCaps, ZephyrBinaryRunner |
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DEFAULT_ARC_GDB_PORT = 3333 |
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DEFAULT_PROPS_FILE = 'nsim_em.props' |
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class NsimBinaryRunner(ZephyrBinaryRunner): |
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'''Runner front-end for the ARC nSIM.''' |
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# This unusual 'flash' implementation matches the original shell script. |
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# |
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# It works by starting a GDB server in a separate session, connecting a |
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# client to it to load the program, and running 'continue' within the |
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# client to execute the application. |
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# |
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def __init__(self, cfg, |
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tui=False, |
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gdb_port=DEFAULT_ARC_GDB_PORT, |
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props=DEFAULT_PROPS_FILE): |
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super().__init__(cfg) |
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if cfg.gdb is None: |
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self.gdb_cmd = None |
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else: |
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self.gdb_cmd = [cfg.gdb] + (['-tui'] if tui else []) |
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self.nsim_cmd = ['nsimdrv'] |
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self.gdb_port = gdb_port |
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self.props = props |
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@classmethod |
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def name(cls): |
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return 'arc-nsim' |
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@classmethod |
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def capabilities(cls): |
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return RunnerCaps(commands={'flash', 'debug', 'debugserver', 'attach'}) |
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@classmethod |
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def do_add_parser(cls, parser): |
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parser.add_argument('--gdb-port', default=DEFAULT_ARC_GDB_PORT, |
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help='nsim gdb port, defaults to 3333') |
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parser.add_argument('--props', default=DEFAULT_PROPS_FILE, |
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help='nsim props file, defaults to nsim.props') |
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@classmethod |
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def do_create(cls, cfg, args): |
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return NsimBinaryRunner( |
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cfg, |
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gdb_port=args.gdb_port, |
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props=args.props) |
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def do_run(self, command, **kwargs): |
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self.require(self.nsim_cmd[0]) |
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kwargs['nsim-cfg'] = path.join(self.cfg.board_dir, 'support', |
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self.props) |
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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.debugserver(**kwargs) |
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def do_flash(self, **kwargs): |
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config = kwargs['nsim-cfg'] |
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cmd = (self.nsim_cmd + ['-propsfile', config, self.cfg.elf_file]) |
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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; gdb is missing') |
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config = kwargs['nsim-cfg'] |
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server_cmd = (self.nsim_cmd + ['-gdb', |
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f'-port={self.gdb_port}', |
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'-propsfile', config]) |
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gdb_cmd = (self.gdb_cmd + |
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['-ex', f'target remote :{self.gdb_port}', |
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'-ex', 'load', self.cfg.elf_file]) |
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self.require(gdb_cmd[0]) |
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self.run_server_and_client(server_cmd, gdb_cmd) |
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def debugserver(self, **kwargs): |
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config = kwargs['nsim-cfg'] |
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cmd = (self.nsim_cmd + |
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['-gdb', f'-port={self.gdb_port}', |
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'-propsfile', config]) |
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self.check_call(cmd)
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