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citadel/poky/scripts/lib/devtool/runqemu.py

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# Development tool - runqemu command plugin
#
# Copyright (C) 2015 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Devtool runqemu plugin"""
import os
import bb
import logging
import argparse
import glob
from devtool import exec_build_env_command, setup_tinfoil, DevtoolError
logger = logging.getLogger('devtool')
def runqemu(args, config, basepath, workspace):
"""Entry point for the devtool 'runqemu' subcommand"""
tinfoil = setup_tinfoil(config_only=True, basepath=basepath)
try:
machine = tinfoil.config_data.getVar('MACHINE')
bindir_native = os.path.join(tinfoil.config_data.getVar('STAGING_DIR'),
tinfoil.config_data.getVar('BUILD_ARCH'),
tinfoil.config_data.getVar('bindir_native').lstrip(os.path.sep))
finally:
tinfoil.shutdown()
if not glob.glob(os.path.join(bindir_native, 'qemu-system-*')):
raise DevtoolError('QEMU is not available within this SDK')
imagename = args.imagename
if not imagename:
sdk_targets = config.get('SDK', 'sdk_targets', '').split()
if sdk_targets:
imagename = sdk_targets[0]
if not imagename:
raise DevtoolError('Unable to determine image name to run, please specify one')
try:
# FIXME runqemu assumes that if OECORE_NATIVE_SYSROOT is set then it shouldn't
# run bitbake to find out the values of various environment variables, which
# isn't the case for the extensible SDK. Work around it for now.
newenv = dict(os.environ)
newenv.pop('OECORE_NATIVE_SYSROOT', '')
exec_build_env_command(config.init_path, basepath, 'runqemu %s %s %s' % (machine, imagename, " ".join(args.args)), watch=True, env=newenv)
except bb.process.ExecutionError as e:
# We've already seen the output since watch=True, so just ensure we return something to the user
return e.exitcode
return 0
def register_commands(subparsers, context):
"""Register devtool subcommands from this plugin"""
if context.fixed_setup:
parser_runqemu = subparsers.add_parser('runqemu', help='Run QEMU on the specified image',
description='Runs QEMU to boot the specified image',
group='testbuild', order=-20)
parser_runqemu.add_argument('imagename', help='Name of built image to boot within QEMU', nargs='?')
parser_runqemu.add_argument('args', help='Any remaining arguments are passed to the runqemu script (pass --help after imagename to see what these are)',
nargs=argparse.REMAINDER)
parser_runqemu.set_defaults(func=runqemu)