1303 lines
53 KiB
Plaintext
1303 lines
53 KiB
Plaintext
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#!/usr/bin/env python3
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# Handle running OE images standalone with QEMU
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#
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# Copyright (C) 2006-2011 Linux Foundation
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# Copyright (c) 2016 Wind River Systems, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import os
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import sys
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import logging
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import subprocess
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import re
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import fcntl
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import shutil
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import glob
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import configparser
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class RunQemuError(Exception):
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"""Custom exception to raise on known errors."""
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pass
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class OEPathError(RunQemuError):
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"""Custom Exception to give better guidance on missing binaries"""
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def __init__(self, message):
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super().__init__("In order for this script to dynamically infer paths\n \
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kernels or filesystem images, you either need bitbake in your PATH\n \
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or to source oe-init-build-env before running this script.\n\n \
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Dynamic path inference can be avoided by passing a *.qemuboot.conf to\n \
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runqemu, i.e. `runqemu /path/to/my-image-name.qemuboot.conf`\n\n %s" % message)
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def create_logger():
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logger = logging.getLogger('runqemu')
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logger.setLevel(logging.INFO)
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# create console handler and set level to debug
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ch = logging.StreamHandler()
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ch.setLevel(logging.DEBUG)
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# create formatter
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formatter = logging.Formatter('%(name)s - %(levelname)s - %(message)s')
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# add formatter to ch
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ch.setFormatter(formatter)
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# add ch to logger
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logger.addHandler(ch)
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return logger
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logger = create_logger()
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def print_usage():
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print("""
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Usage: you can run this script with any valid combination
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of the following environment variables (in any order):
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KERNEL - the kernel image file to use
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ROOTFS - the rootfs image file or nfsroot directory to use
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DEVICE_TREE - the device tree blob to use
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MACHINE - the machine name (optional, autodetected from KERNEL filename if unspecified)
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Simplified QEMU command-line options can be passed with:
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nographic - disable video console
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serial - enable a serial console on /dev/ttyS0
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slirp - enable user networking, no root privileges is required
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kvm - enable KVM when running x86/x86_64 (VT-capable CPU required)
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kvm-vhost - enable KVM with vhost when running x86/x86_64 (VT-capable CPU required)
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publicvnc - enable a VNC server open to all hosts
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audio - enable audio
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[*/]ovmf* - OVMF firmware file or base name for booting with UEFI
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tcpserial=<port> - specify tcp serial port number
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biosdir=<dir> - specify custom bios dir
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biosfilename=<filename> - specify bios filename
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qemuparams=<xyz> - specify custom parameters to QEMU
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bootparams=<xyz> - specify custom kernel parameters during boot
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help, -h, --help: print this text
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-d, --debug: Enable debug output
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-q, --quite: Hide most output except error messages
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Examples:
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runqemu
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runqemu qemuarm
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runqemu tmp/deploy/images/qemuarm
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runqemu tmp/deploy/images/qemux86/<qemuboot.conf>
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runqemu qemux86-64 core-image-sato ext4
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runqemu qemux86-64 wic-image-minimal wic
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runqemu path/to/bzImage-qemux86.bin path/to/nfsrootdir/ serial
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runqemu qemux86 iso/hddimg/wic.vmdk/wic.qcow2/wic.vdi/ramfs/cpio.gz...
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runqemu qemux86 qemuparams="-m 256"
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runqemu qemux86 bootparams="psplash=false"
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runqemu path/to/<image>-<machine>.wic
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runqemu path/to/<image>-<machine>.wic.vmdk
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""")
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def check_tun():
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"""Check /dev/net/tun"""
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dev_tun = '/dev/net/tun'
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if not os.path.exists(dev_tun):
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raise RunQemuError("TUN control device %s is unavailable; you may need to enable TUN (e.g. sudo modprobe tun)" % dev_tun)
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if not os.access(dev_tun, os.W_OK):
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raise RunQemuError("TUN control device %s is not writable, please fix (e.g. sudo chmod 666 %s)" % (dev_tun, dev_tun))
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def check_libgl(qemu_bin):
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cmd = 'ldd %s' % qemu_bin
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logger.debug('Running %s...' % cmd)
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need_gl = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout.read().decode('utf-8')
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if re.search('libGLU', need_gl):
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# We can't run without a libGL.so
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libgl = False
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check_files = (('/usr/lib/libGL.so', '/usr/lib/libGLU.so'), \
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('/usr/lib64/libGL.so', '/usr/lib64/libGLU.so'), \
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('/usr/lib/*-linux-gnu/libGL.so', '/usr/lib/*-linux-gnu/libGLU.so'))
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for (f1, f2) in check_files:
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if re.search('\*', f1):
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for g1 in glob.glob(f1):
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if libgl:
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break
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if os.path.exists(g1):
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for g2 in glob.glob(f2):
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if os.path.exists(g2):
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libgl = True
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break
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if libgl:
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break
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else:
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if os.path.exists(f1) and os.path.exists(f2):
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libgl = True
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break
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if not libgl:
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logger.error("You need libGL.so and libGLU.so to exist in your library path to run the QEMU emulator.")
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logger.error("Ubuntu package names are: libgl1-mesa-dev and libglu1-mesa-dev.")
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logger.error("Fedora package names are: mesa-libGL-devel mesa-libGLU-devel.")
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raise RunQemuError('%s requires libGLU, but not found' % qemu_bin)
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def get_first_file(cmds):
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"""Return first file found in wildcard cmds"""
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for cmd in cmds:
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all_files = glob.glob(cmd)
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if all_files:
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for f in all_files:
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if not os.path.isdir(f):
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return f
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return ''
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def check_free_port(host, port):
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""" Check whether the port is free or not """
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import socket
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from contextlib import closing
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with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
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if sock.connect_ex((host, port)) == 0:
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# Port is open, so not free
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return False
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else:
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# Port is not open, so free
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return True
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class BaseConfig(object):
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def __init__(self):
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# The self.d saved vars from self.set(), part of them are from qemuboot.conf
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self.d = {'QB_KERNEL_ROOT': '/dev/vda'}
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# Supported env vars, add it here if a var can be got from env,
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# and don't use os.getenv in the code.
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self.env_vars = ('MACHINE',
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'ROOTFS',
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'KERNEL',
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'DEVICE_TREE',
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'DEPLOY_DIR_IMAGE',
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'OE_TMPDIR',
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'OECORE_NATIVE_SYSROOT',
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)
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self.qemu_opt = ''
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self.qemu_opt_script = ''
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self.clean_nfs_dir = False
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self.nfs_server = ''
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self.rootfs = ''
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# File name(s) of a OVMF firmware file or variable store,
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# to be added with -drive if=pflash.
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# Found in the same places as the rootfs, with or without one of
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# these suffices: qcow2, bin.
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# Setting one also adds "-vga std" because that is all that
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# OVMF supports.
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self.ovmf_bios = []
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self.qemuboot = ''
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self.qbconfload = False
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self.kernel = ''
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self.kernel_cmdline = ''
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self.kernel_cmdline_script = ''
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self.bootparams = ''
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self.dtb = ''
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self.fstype = ''
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self.kvm_enabled = False
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self.vhost_enabled = False
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self.slirp_enabled = False
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self.nfs_instance = 0
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self.nfs_running = False
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self.serialstdio = False
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self.cleantap = False
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self.saved_stty = ''
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self.audio_enabled = False
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self.tcpserial_portnum = ''
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self.custombiosdir = ''
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self.lock = ''
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self.lock_descriptor = ''
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self.bitbake_e = ''
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self.snapshot = False
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self.fstypes = ('ext2', 'ext3', 'ext4', 'jffs2', 'nfs', 'btrfs',
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'cpio.gz', 'cpio', 'ramfs', 'tar.bz2', 'tar.gz')
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self.vmtypes = ('hddimg', 'hdddirect', 'wic', 'wic.vmdk',
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'wic.qcow2', 'wic.vdi', 'iso')
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self.network_device = "-device e1000,netdev=net0,mac=@MAC@"
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# Use different mac section for tap and slirp to avoid
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# conflicts, e.g., when one is running with tap, the other is
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# running with slirp.
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# The last section is dynamic, which is for avoiding conflicts,
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# when multiple qemus are running, e.g., when multiple tap or
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# slirp qemus are running.
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self.mac_tap = "52:54:00:12:34:"
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self.mac_slirp = "52:54:00:12:35:"
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def acquire_lock(self, error=True):
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logger.debug("Acquiring lockfile %s..." % self.lock)
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try:
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self.lock_descriptor = open(self.lock, 'w')
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fcntl.flock(self.lock_descriptor, fcntl.LOCK_EX|fcntl.LOCK_NB)
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except Exception as e:
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msg = "Acquiring lockfile %s failed: %s" % (self.lock, e)
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if error:
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logger.error(msg)
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else:
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logger.info(msg)
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if self.lock_descriptor:
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self.lock_descriptor.close()
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return False
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return True
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def release_lock(self):
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fcntl.flock(self.lock_descriptor, fcntl.LOCK_UN)
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self.lock_descriptor.close()
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os.remove(self.lock)
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def get(self, key):
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if key in self.d:
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return self.d.get(key)
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elif os.getenv(key):
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return os.getenv(key)
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else:
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return ''
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def set(self, key, value):
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self.d[key] = value
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def is_deploy_dir_image(self, p):
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if os.path.isdir(p):
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if not re.search('.qemuboot.conf$', '\n'.join(os.listdir(p)), re.M):
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logger.debug("Can't find required *.qemuboot.conf in %s" % p)
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return False
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if not any(map(lambda name: '-image-' in name, os.listdir(p))):
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logger.debug("Can't find *-image-* in %s" % p)
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return False
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return True
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else:
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return False
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def check_arg_fstype(self, fst):
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"""Check and set FSTYPE"""
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if fst not in self.fstypes + self.vmtypes:
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logger.warn("Maybe unsupported FSTYPE: %s" % fst)
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if not self.fstype or self.fstype == fst:
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if fst == 'ramfs':
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fst = 'cpio.gz'
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if fst in ('tar.bz2', 'tar.gz'):
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fst = 'nfs'
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self.fstype = fst
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else:
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raise RunQemuError("Conflicting: FSTYPE %s and %s" % (self.fstype, fst))
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def set_machine_deploy_dir(self, machine, deploy_dir_image):
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"""Set MACHINE and DEPLOY_DIR_IMAGE"""
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logger.debug('MACHINE: %s' % machine)
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self.set("MACHINE", machine)
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logger.debug('DEPLOY_DIR_IMAGE: %s' % deploy_dir_image)
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self.set("DEPLOY_DIR_IMAGE", deploy_dir_image)
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def check_arg_nfs(self, p):
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if os.path.isdir(p):
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self.rootfs = p
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else:
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m = re.match('(.*):(.*)', p)
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self.nfs_server = m.group(1)
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self.rootfs = m.group(2)
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self.check_arg_fstype('nfs')
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def check_arg_path(self, p):
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"""
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- Check whether it is <image>.qemuboot.conf or contains <image>.qemuboot.conf
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- Check whether is a kernel file
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- Check whether is a image file
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- Check whether it is a nfs dir
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- Check whether it is a OVMF flash file
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"""
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if p.endswith('.qemuboot.conf'):
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self.qemuboot = p
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self.qbconfload = True
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elif re.search('\.bin$', p) or re.search('bzImage', p) or \
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re.search('zImage', p) or re.search('vmlinux', p) or \
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re.search('fitImage', p) or re.search('uImage', p):
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self.kernel = p
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elif os.path.exists(p) and (not os.path.isdir(p)) and '-image-' in os.path.basename(p):
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self.rootfs = p
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# Check filename against self.fstypes can hanlde <file>.cpio.gz,
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# otherwise, its type would be "gz", which is incorrect.
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fst = ""
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for t in self.fstypes:
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if p.endswith(t):
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fst = t
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break
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if not fst:
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m = re.search('.*\.(.*)$', self.rootfs)
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if m:
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fst = m.group(1)
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if fst:
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self.check_arg_fstype(fst)
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qb = re.sub('\.' + fst + "$", '', self.rootfs)
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qb = '%s%s' % (re.sub('\.rootfs$', '', qb), '.qemuboot.conf')
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|
|
if os.path.exists(qb):
|
||
|
|
self.qemuboot = qb
|
||
|
|
self.qbconfload = True
|
||
|
|
else:
|
||
|
|
logger.warn("%s doesn't exist" % qb)
|
||
|
|
else:
|
||
|
|
raise RunQemuError("Can't find FSTYPE from: %s" % p)
|
||
|
|
|
||
|
|
elif os.path.isdir(p) or re.search(':', p) and re.search('/', p):
|
||
|
|
if self.is_deploy_dir_image(p):
|
||
|
|
logger.debug('DEPLOY_DIR_IMAGE: %s' % p)
|
||
|
|
self.set("DEPLOY_DIR_IMAGE", p)
|
||
|
|
else:
|
||
|
|
logger.debug("Assuming %s is an nfs rootfs" % p)
|
||
|
|
self.check_arg_nfs(p)
|
||
|
|
elif os.path.basename(p).startswith('ovmf'):
|
||
|
|
self.ovmf_bios.append(p)
|
||
|
|
else:
|
||
|
|
raise RunQemuError("Unknown path arg %s" % p)
|
||
|
|
|
||
|
|
def check_arg_machine(self, arg):
|
||
|
|
"""Check whether it is a machine"""
|
||
|
|
if self.get('MACHINE') == arg:
|
||
|
|
return
|
||
|
|
elif self.get('MACHINE') and self.get('MACHINE') != arg:
|
||
|
|
raise RunQemuError("Maybe conflicted MACHINE: %s vs %s" % (self.get('MACHINE'), arg))
|
||
|
|
elif re.search('/', arg):
|
||
|
|
raise RunQemuError("Unknown arg: %s" % arg)
|
||
|
|
|
||
|
|
logger.debug('Assuming MACHINE = %s' % arg)
|
||
|
|
|
||
|
|
# if we're running under testimage, or similarly as a child
|
||
|
|
# of an existing bitbake invocation, we can't invoke bitbake
|
||
|
|
# to validate the MACHINE setting and must assume it's correct...
|
||
|
|
# FIXME: testimage.bbclass exports these two variables into env,
|
||
|
|
# are there other scenarios in which we need to support being
|
||
|
|
# invoked by bitbake?
|
||
|
|
deploy = self.get('DEPLOY_DIR_IMAGE')
|
||
|
|
bbchild = deploy and self.get('OE_TMPDIR')
|
||
|
|
if bbchild:
|
||
|
|
self.set_machine_deploy_dir(arg, deploy)
|
||
|
|
return
|
||
|
|
# also check whether we're running under a sourced toolchain
|
||
|
|
# environment file
|
||
|
|
if self.get('OECORE_NATIVE_SYSROOT'):
|
||
|
|
self.set("MACHINE", arg)
|
||
|
|
return
|
||
|
|
|
||
|
|
cmd = 'MACHINE=%s bitbake -e' % arg
|
||
|
|
logger.info('Running %s...' % cmd)
|
||
|
|
self.bitbake_e = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout.read().decode('utf-8')
|
||
|
|
# bitbake -e doesn't report invalid MACHINE as an error, so
|
||
|
|
# let's check DEPLOY_DIR_IMAGE to make sure that it is a valid
|
||
|
|
# MACHINE.
|
||
|
|
s = re.search('^DEPLOY_DIR_IMAGE="(.*)"', self.bitbake_e, re.M)
|
||
|
|
if s:
|
||
|
|
deploy_dir_image = s.group(1)
|
||
|
|
else:
|
||
|
|
raise RunQemuError("bitbake -e %s" % self.bitbake_e)
|
||
|
|
if self.is_deploy_dir_image(deploy_dir_image):
|
||
|
|
self.set_machine_deploy_dir(arg, deploy_dir_image)
|
||
|
|
else:
|
||
|
|
logger.error("%s not a directory valid DEPLOY_DIR_IMAGE" % deploy_dir_image)
|
||
|
|
self.set("MACHINE", arg)
|
||
|
|
|
||
|
|
def check_args(self):
|
||
|
|
for debug in ("-d", "--debug"):
|
||
|
|
if debug in sys.argv:
|
||
|
|
logger.setLevel(logging.DEBUG)
|
||
|
|
sys.argv.remove(debug)
|
||
|
|
|
||
|
|
for quiet in ("-q", "--quiet"):
|
||
|
|
if quiet in sys.argv:
|
||
|
|
logger.setLevel(logging.ERROR)
|
||
|
|
sys.argv.remove(quiet)
|
||
|
|
|
||
|
|
unknown_arg = ""
|
||
|
|
for arg in sys.argv[1:]:
|
||
|
|
if arg in self.fstypes + self.vmtypes:
|
||
|
|
self.check_arg_fstype(arg)
|
||
|
|
elif arg == 'nographic':
|
||
|
|
self.qemu_opt_script += ' -nographic'
|
||
|
|
self.kernel_cmdline_script += ' console=ttyS0'
|
||
|
|
elif arg == 'serial':
|
||
|
|
self.kernel_cmdline_script += ' console=ttyS0'
|
||
|
|
self.serialstdio = True
|
||
|
|
elif arg == 'audio':
|
||
|
|
logger.info("Enabling audio in qemu")
|
||
|
|
logger.info("Please install sound drivers in linux host")
|
||
|
|
self.audio_enabled = True
|
||
|
|
elif arg == 'kvm':
|
||
|
|
self.kvm_enabled = True
|
||
|
|
elif arg == 'kvm-vhost':
|
||
|
|
self.vhost_enabled = True
|
||
|
|
elif arg == 'slirp':
|
||
|
|
self.slirp_enabled = True
|
||
|
|
elif arg == 'snapshot':
|
||
|
|
self.snapshot = True
|
||
|
|
elif arg == 'publicvnc':
|
||
|
|
self.qemu_opt_script += ' -vnc :0'
|
||
|
|
elif arg.startswith('tcpserial='):
|
||
|
|
self.tcpserial_portnum = arg[len('tcpserial='):]
|
||
|
|
elif arg.startswith('biosdir='):
|
||
|
|
self.custombiosdir = arg[len('biosdir='):]
|
||
|
|
elif arg.startswith('biosfilename='):
|
||
|
|
self.qemu_opt_script += ' -bios %s' % arg[len('biosfilename='):]
|
||
|
|
elif arg.startswith('qemuparams='):
|
||
|
|
self.qemu_opt_script += ' %s' % arg[len('qemuparams='):]
|
||
|
|
elif arg.startswith('bootparams='):
|
||
|
|
self.bootparams = arg[len('bootparams='):]
|
||
|
|
elif os.path.exists(arg) or (re.search(':', arg) and re.search('/', arg)):
|
||
|
|
self.check_arg_path(os.path.abspath(arg))
|
||
|
|
elif re.search(r'-image-|-image$', arg):
|
||
|
|
# Lazy rootfs
|
||
|
|
self.rootfs = arg
|
||
|
|
elif arg.startswith('ovmf'):
|
||
|
|
self.ovmf_bios.append(arg)
|
||
|
|
else:
|
||
|
|
# At last, assume it is the MACHINE
|
||
|
|
if (not unknown_arg) or unknown_arg == arg:
|
||
|
|
unknown_arg = arg
|
||
|
|
else:
|
||
|
|
raise RunQemuError("Can't handle two unknown args: %s %s\n"
|
||
|
|
"Try 'runqemu help' on how to use it" % \
|
||
|
|
(unknown_arg, arg))
|
||
|
|
# Check to make sure it is a valid machine
|
||
|
|
if unknown_arg:
|
||
|
|
if self.get('MACHINE') == unknown_arg:
|
||
|
|
return
|
||
|
|
if self.get('DEPLOY_DIR_IMAGE'):
|
||
|
|
machine = os.path.basename(self.get('DEPLOY_DIR_IMAGE'))
|
||
|
|
if unknown_arg == machine:
|
||
|
|
self.set("MACHINE", machine)
|
||
|
|
return
|
||
|
|
|
||
|
|
self.check_arg_machine(unknown_arg)
|
||
|
|
|
||
|
|
if not (self.get('DEPLOY_DIR_IMAGE') or self.qbconfload):
|
||
|
|
self.load_bitbake_env()
|
||
|
|
s = re.search('^DEPLOY_DIR_IMAGE="(.*)"', self.bitbake_e, re.M)
|
||
|
|
if s:
|
||
|
|
self.set("DEPLOY_DIR_IMAGE", s.group(1))
|
||
|
|
|
||
|
|
def check_kvm(self):
|
||
|
|
"""Check kvm and kvm-host"""
|
||
|
|
if not (self.kvm_enabled or self.vhost_enabled):
|
||
|
|
self.qemu_opt_script += ' %s %s' % (self.get('QB_MACHINE'), self.get('QB_CPU'))
|
||
|
|
return
|
||
|
|
|
||
|
|
if not self.get('QB_CPU_KVM'):
|
||
|
|
raise RunQemuError("QB_CPU_KVM is NULL, this board doesn't support kvm")
|
||
|
|
|
||
|
|
self.qemu_opt_script += ' %s %s' % (self.get('QB_MACHINE'), self.get('QB_CPU_KVM'))
|
||
|
|
yocto_kvm_wiki = "https://wiki.yoctoproject.org/wiki/How_to_enable_KVM_for_Poky_qemu"
|
||
|
|
yocto_paravirt_kvm_wiki = "https://wiki.yoctoproject.org/wiki/Running_an_x86_Yocto_Linux_image_under_QEMU_KVM"
|
||
|
|
dev_kvm = '/dev/kvm'
|
||
|
|
dev_vhost = '/dev/vhost-net'
|
||
|
|
with open('/proc/cpuinfo', 'r') as f:
|
||
|
|
kvm_cap = re.search('vmx|svm', "".join(f.readlines()))
|
||
|
|
if not kvm_cap:
|
||
|
|
logger.error("You are trying to enable KVM on a cpu without VT support.")
|
||
|
|
logger.error("Remove kvm from the command-line, or refer:")
|
||
|
|
raise RunQemuError(yocto_kvm_wiki)
|
||
|
|
|
||
|
|
if not os.path.exists(dev_kvm):
|
||
|
|
logger.error("Missing KVM device. Have you inserted kvm modules?")
|
||
|
|
logger.error("For further help see:")
|
||
|
|
raise RunQemuError(yocto_kvm_wiki)
|
||
|
|
|
||
|
|
if os.access(dev_kvm, os.W_OK|os.R_OK):
|
||
|
|
self.qemu_opt_script += ' -enable-kvm'
|
||
|
|
else:
|
||
|
|
logger.error("You have no read or write permission on /dev/kvm.")
|
||
|
|
logger.error("Please change the ownership of this file as described at:")
|
||
|
|
raise RunQemuError(yocto_kvm_wiki)
|
||
|
|
|
||
|
|
if self.vhost_enabled:
|
||
|
|
if not os.path.exists(dev_vhost):
|
||
|
|
logger.error("Missing virtio net device. Have you inserted vhost-net module?")
|
||
|
|
logger.error("For further help see:")
|
||
|
|
raise RunQemuError(yocto_paravirt_kvm_wiki)
|
||
|
|
|
||
|
|
if not os.access(dev_kvm, os.W_OK|os.R_OK):
|
||
|
|
logger.error("You have no read or write permission on /dev/vhost-net.")
|
||
|
|
logger.error("Please change the ownership of this file as described at:")
|
||
|
|
raise RunQemuError(yocto_kvm_wiki)
|
||
|
|
|
||
|
|
def check_fstype(self):
|
||
|
|
"""Check and setup FSTYPE"""
|
||
|
|
if not self.fstype:
|
||
|
|
fstype = self.get('QB_DEFAULT_FSTYPE')
|
||
|
|
if fstype:
|
||
|
|
self.fstype = fstype
|
||
|
|
else:
|
||
|
|
raise RunQemuError("FSTYPE is NULL!")
|
||
|
|
|
||
|
|
def check_rootfs(self):
|
||
|
|
"""Check and set rootfs"""
|
||
|
|
|
||
|
|
if self.fstype == "none":
|
||
|
|
return
|
||
|
|
|
||
|
|
if self.get('ROOTFS'):
|
||
|
|
if not self.rootfs:
|
||
|
|
self.rootfs = self.get('ROOTFS')
|
||
|
|
elif self.get('ROOTFS') != self.rootfs:
|
||
|
|
raise RunQemuError("Maybe conflicted ROOTFS: %s vs %s" % (self.get('ROOTFS'), self.rootfs))
|
||
|
|
|
||
|
|
if self.fstype == 'nfs':
|
||
|
|
return
|
||
|
|
|
||
|
|
if self.rootfs and not os.path.exists(self.rootfs):
|
||
|
|
# Lazy rootfs
|
||
|
|
self.rootfs = "%s/%s-%s.%s" % (self.get('DEPLOY_DIR_IMAGE'),
|
||
|
|
self.rootfs, self.get('MACHINE'),
|
||
|
|
self.fstype)
|
||
|
|
elif not self.rootfs:
|
||
|
|
cmd_name = '%s/%s*.%s' % (self.get('DEPLOY_DIR_IMAGE'), self.get('IMAGE_NAME'), self.fstype)
|
||
|
|
cmd_link = '%s/%s*.%s' % (self.get('DEPLOY_DIR_IMAGE'), self.get('IMAGE_LINK_NAME'), self.fstype)
|
||
|
|
cmds = (cmd_name, cmd_link)
|
||
|
|
self.rootfs = get_first_file(cmds)
|
||
|
|
if not self.rootfs:
|
||
|
|
raise RunQemuError("Failed to find rootfs: %s or %s" % cmds)
|
||
|
|
|
||
|
|
if not os.path.exists(self.rootfs):
|
||
|
|
raise RunQemuError("Can't find rootfs: %s" % self.rootfs)
|
||
|
|
|
||
|
|
def check_ovmf(self):
|
||
|
|
"""Check and set full path for OVMF firmware and variable file(s)."""
|
||
|
|
|
||
|
|
for index, ovmf in enumerate(self.ovmf_bios):
|
||
|
|
if os.path.exists(ovmf):
|
||
|
|
continue
|
||
|
|
for suffix in ('qcow2', 'bin'):
|
||
|
|
path = '%s/%s.%s' % (self.get('DEPLOY_DIR_IMAGE'), ovmf, suffix)
|
||
|
|
if os.path.exists(path):
|
||
|
|
self.ovmf_bios[index] = path
|
||
|
|
break
|
||
|
|
else:
|
||
|
|
raise RunQemuError("Can't find OVMF firmware: %s" % ovmf)
|
||
|
|
|
||
|
|
def check_kernel(self):
|
||
|
|
"""Check and set kernel"""
|
||
|
|
# The vm image doesn't need a kernel
|
||
|
|
if self.fstype in self.vmtypes:
|
||
|
|
return
|
||
|
|
|
||
|
|
# See if the user supplied a KERNEL option
|
||
|
|
if self.get('KERNEL'):
|
||
|
|
self.kernel = self.get('KERNEL')
|
||
|
|
|
||
|
|
# QB_DEFAULT_KERNEL is always a full file path
|
||
|
|
kernel_name = os.path.basename(self.get('QB_DEFAULT_KERNEL'))
|
||
|
|
|
||
|
|
# The user didn't want a kernel to be loaded
|
||
|
|
if kernel_name == "none" and not self.kernel:
|
||
|
|
return
|
||
|
|
|
||
|
|
deploy_dir_image = self.get('DEPLOY_DIR_IMAGE')
|
||
|
|
if not self.kernel:
|
||
|
|
kernel_match_name = "%s/%s" % (deploy_dir_image, kernel_name)
|
||
|
|
kernel_match_link = "%s/%s" % (deploy_dir_image, self.get('KERNEL_IMAGETYPE'))
|
||
|
|
kernel_startswith = "%s/%s*" % (deploy_dir_image, self.get('KERNEL_IMAGETYPE'))
|
||
|
|
cmds = (kernel_match_name, kernel_match_link, kernel_startswith)
|
||
|
|
self.kernel = get_first_file(cmds)
|
||
|
|
if not self.kernel:
|
||
|
|
raise RunQemuError('KERNEL not found: %s, %s or %s' % cmds)
|
||
|
|
|
||
|
|
if not os.path.exists(self.kernel):
|
||
|
|
raise RunQemuError("KERNEL %s not found" % self.kernel)
|
||
|
|
|
||
|
|
def check_dtb(self):
|
||
|
|
"""Check and set dtb"""
|
||
|
|
# Did the user specify a device tree?
|
||
|
|
if self.get('DEVICE_TREE'):
|
||
|
|
self.dtb = self.get('DEVICE_TREE')
|
||
|
|
if not os.path.exists(self.dtb):
|
||
|
|
raise RunQemuError('Specified DTB not found: %s' % self.dtb)
|
||
|
|
return
|
||
|
|
|
||
|
|
dtb = self.get('QB_DTB')
|
||
|
|
if dtb:
|
||
|
|
deploy_dir_image = self.get('DEPLOY_DIR_IMAGE')
|
||
|
|
cmd_match = "%s/%s" % (deploy_dir_image, dtb)
|
||
|
|
cmd_startswith = "%s/%s*" % (deploy_dir_image, dtb)
|
||
|
|
cmd_wild = "%s/*.dtb" % deploy_dir_image
|
||
|
|
cmds = (cmd_match, cmd_startswith, cmd_wild)
|
||
|
|
self.dtb = get_first_file(cmds)
|
||
|
|
if not os.path.exists(self.dtb):
|
||
|
|
raise RunQemuError('DTB not found: %s, %s or %s' % cmds)
|
||
|
|
|
||
|
|
def check_biosdir(self):
|
||
|
|
"""Check custombiosdir"""
|
||
|
|
if not self.custombiosdir:
|
||
|
|
return
|
||
|
|
|
||
|
|
biosdir = ""
|
||
|
|
biosdir_native = "%s/%s" % (self.get('STAGING_DIR_NATIVE'), self.custombiosdir)
|
||
|
|
biosdir_host = "%s/%s" % (self.get('STAGING_DIR_HOST'), self.custombiosdir)
|
||
|
|
for i in (self.custombiosdir, biosdir_native, biosdir_host):
|
||
|
|
if os.path.isdir(i):
|
||
|
|
biosdir = i
|
||
|
|
break
|
||
|
|
|
||
|
|
if biosdir:
|
||
|
|
logger.debug("Assuming biosdir is: %s" % biosdir)
|
||
|
|
self.qemu_opt_script += ' -L %s' % biosdir
|
||
|
|
else:
|
||
|
|
logger.error("Custom BIOS directory not found. Tried: %s, %s, and %s" % (self.custombiosdir, biosdir_native, biosdir_host))
|
||
|
|
raise RunQemuError("Invalid custombiosdir: %s" % self.custombiosdir)
|
||
|
|
|
||
|
|
def check_mem(self):
|
||
|
|
s = re.search('-m +([0-9]+)', self.qemu_opt_script)
|
||
|
|
if s:
|
||
|
|
self.set('QB_MEM', '-m %s' % s.group(1))
|
||
|
|
elif not self.get('QB_MEM'):
|
||
|
|
logger.info('QB_MEM is not set, use 512M by default')
|
||
|
|
self.set('QB_MEM', '-m 512')
|
||
|
|
|
||
|
|
self.kernel_cmdline_script += ' mem=%s' % self.get('QB_MEM').replace('-m','').strip() + 'M'
|
||
|
|
self.qemu_opt_script += ' %s' % self.get('QB_MEM')
|
||
|
|
|
||
|
|
def check_tcpserial(self):
|
||
|
|
if self.tcpserial_portnum:
|
||
|
|
if self.get('QB_TCPSERIAL_OPT'):
|
||
|
|
self.qemu_opt_script += ' ' + self.get('QB_TCPSERIAL_OPT').replace('@PORT@', self.tcpserial_portnum)
|
||
|
|
else:
|
||
|
|
self.qemu_opt_script += ' -serial tcp:127.0.0.1:%s' % self.tcpserial_portnum
|
||
|
|
|
||
|
|
def check_and_set(self):
|
||
|
|
"""Check configs sanity and set when needed"""
|
||
|
|
self.validate_paths()
|
||
|
|
if not self.slirp_enabled:
|
||
|
|
check_tun()
|
||
|
|
# Check audio
|
||
|
|
if self.audio_enabled:
|
||
|
|
if not self.get('QB_AUDIO_DRV'):
|
||
|
|
raise RunQemuError("QB_AUDIO_DRV is NULL, this board doesn't support audio")
|
||
|
|
if not self.get('QB_AUDIO_OPT'):
|
||
|
|
logger.warn('QB_AUDIO_OPT is NULL, you may need define it to make audio work')
|
||
|
|
else:
|
||
|
|
self.qemu_opt_script += ' %s' % self.get('QB_AUDIO_OPT')
|
||
|
|
os.putenv('QEMU_AUDIO_DRV', self.get('QB_AUDIO_DRV'))
|
||
|
|
else:
|
||
|
|
os.putenv('QEMU_AUDIO_DRV', 'none')
|
||
|
|
|
||
|
|
self.check_kvm()
|
||
|
|
self.check_fstype()
|
||
|
|
self.check_rootfs()
|
||
|
|
self.check_ovmf()
|
||
|
|
self.check_kernel()
|
||
|
|
self.check_dtb()
|
||
|
|
self.check_biosdir()
|
||
|
|
self.check_mem()
|
||
|
|
self.check_tcpserial()
|
||
|
|
|
||
|
|
def read_qemuboot(self):
|
||
|
|
if not self.qemuboot:
|
||
|
|
if self.get('DEPLOY_DIR_IMAGE'):
|
||
|
|
deploy_dir_image = self.get('DEPLOY_DIR_IMAGE')
|
||
|
|
else:
|
||
|
|
logger.warn("Can't find qemuboot conf file, DEPLOY_DIR_IMAGE is NULL!")
|
||
|
|
return
|
||
|
|
|
||
|
|
if self.rootfs and not os.path.exists(self.rootfs):
|
||
|
|
# Lazy rootfs
|
||
|
|
machine = self.get('MACHINE')
|
||
|
|
if not machine:
|
||
|
|
machine = os.path.basename(deploy_dir_image)
|
||
|
|
self.qemuboot = "%s/%s-%s.qemuboot.conf" % (deploy_dir_image,
|
||
|
|
self.rootfs, machine)
|
||
|
|
else:
|
||
|
|
cmd = 'ls -t %s/*.qemuboot.conf' % deploy_dir_image
|
||
|
|
logger.debug('Running %s...' % cmd)
|
||
|
|
try:
|
||
|
|
qbs = subprocess.check_output(cmd, shell=True).decode('utf-8')
|
||
|
|
except subprocess.CalledProcessError as err:
|
||
|
|
raise RunQemuError(err)
|
||
|
|
if qbs:
|
||
|
|
for qb in qbs.split():
|
||
|
|
# Don't use initramfs when other choices unless fstype is ramfs
|
||
|
|
if '-initramfs-' in os.path.basename(qb) and self.fstype != 'cpio.gz':
|
||
|
|
continue
|
||
|
|
self.qemuboot = qb
|
||
|
|
break
|
||
|
|
if not self.qemuboot:
|
||
|
|
# Use the first one when no choice
|
||
|
|
self.qemuboot = qbs.split()[0]
|
||
|
|
self.qbconfload = True
|
||
|
|
|
||
|
|
if not self.qemuboot:
|
||
|
|
# If we haven't found a .qemuboot.conf at this point it probably
|
||
|
|
# doesn't exist, continue without
|
||
|
|
return
|
||
|
|
|
||
|
|
if not os.path.exists(self.qemuboot):
|
||
|
|
raise RunQemuError("Failed to find %s (wrong image name or BSP does not support running under qemu?)." % self.qemuboot)
|
||
|
|
|
||
|
|
logger.debug('CONFFILE: %s' % self.qemuboot)
|
||
|
|
|
||
|
|
cf = configparser.ConfigParser()
|
||
|
|
cf.read(self.qemuboot)
|
||
|
|
for k, v in cf.items('config_bsp'):
|
||
|
|
k_upper = k.upper()
|
||
|
|
if v.startswith("../"):
|
||
|
|
v = os.path.abspath(os.path.dirname(self.qemuboot) + "/" + v)
|
||
|
|
elif v == ".":
|
||
|
|
v = os.path.dirname(self.qemuboot)
|
||
|
|
self.set(k_upper, v)
|
||
|
|
|
||
|
|
def validate_paths(self):
|
||
|
|
"""Ensure all relevant path variables are set"""
|
||
|
|
# When we're started with a *.qemuboot.conf arg assume that image
|
||
|
|
# artefacts are relative to that file, rather than in whatever
|
||
|
|
# directory DEPLOY_DIR_IMAGE in the conf file points to.
|
||
|
|
if self.qbconfload:
|
||
|
|
imgdir = os.path.realpath(os.path.dirname(self.qemuboot))
|
||
|
|
if imgdir != os.path.realpath(self.get('DEPLOY_DIR_IMAGE')):
|
||
|
|
logger.info('Setting DEPLOY_DIR_IMAGE to folder containing %s (%s)' % (self.qemuboot, imgdir))
|
||
|
|
self.set('DEPLOY_DIR_IMAGE', imgdir)
|
||
|
|
|
||
|
|
# If the STAGING_*_NATIVE directories from the config file don't exist
|
||
|
|
# and we're in a sourced OE build directory try to extract the paths
|
||
|
|
# from `bitbake -e`
|
||
|
|
havenative = os.path.exists(self.get('STAGING_DIR_NATIVE')) and \
|
||
|
|
os.path.exists(self.get('STAGING_BINDIR_NATIVE'))
|
||
|
|
|
||
|
|
if not havenative:
|
||
|
|
if not self.bitbake_e:
|
||
|
|
self.load_bitbake_env()
|
||
|
|
|
||
|
|
if self.bitbake_e:
|
||
|
|
native_vars = ['STAGING_DIR_NATIVE']
|
||
|
|
for nv in native_vars:
|
||
|
|
s = re.search('^%s="(.*)"' % nv, self.bitbake_e, re.M)
|
||
|
|
if s and s.group(1) != self.get(nv):
|
||
|
|
logger.info('Overriding conf file setting of %s to %s from Bitbake environment' % (nv, s.group(1)))
|
||
|
|
self.set(nv, s.group(1))
|
||
|
|
else:
|
||
|
|
# when we're invoked from a running bitbake instance we won't
|
||
|
|
# be able to call `bitbake -e`, then try:
|
||
|
|
# - get OE_TMPDIR from environment and guess paths based on it
|
||
|
|
# - get OECORE_NATIVE_SYSROOT from environment (for sdk)
|
||
|
|
tmpdir = self.get('OE_TMPDIR')
|
||
|
|
oecore_native_sysroot = self.get('OECORE_NATIVE_SYSROOT')
|
||
|
|
if tmpdir:
|
||
|
|
logger.info('Setting STAGING_DIR_NATIVE and STAGING_BINDIR_NATIVE relative to OE_TMPDIR (%s)' % tmpdir)
|
||
|
|
hostos, _, _, _, machine = os.uname()
|
||
|
|
buildsys = '%s-%s' % (machine, hostos.lower())
|
||
|
|
staging_dir_native = '%s/sysroots/%s' % (tmpdir, buildsys)
|
||
|
|
self.set('STAGING_DIR_NATIVE', staging_dir_native)
|
||
|
|
elif oecore_native_sysroot:
|
||
|
|
logger.info('Setting STAGING_DIR_NATIVE to OECORE_NATIVE_SYSROOT (%s)' % oecore_native_sysroot)
|
||
|
|
self.set('STAGING_DIR_NATIVE', oecore_native_sysroot)
|
||
|
|
if self.get('STAGING_DIR_NATIVE'):
|
||
|
|
# we have to assume that STAGING_BINDIR_NATIVE is at usr/bin
|
||
|
|
staging_bindir_native = '%s/usr/bin' % self.get('STAGING_DIR_NATIVE')
|
||
|
|
logger.info('Setting STAGING_BINDIR_NATIVE to %s' % staging_bindir_native)
|
||
|
|
self.set('STAGING_BINDIR_NATIVE', '%s/usr/bin' % self.get('STAGING_DIR_NATIVE'))
|
||
|
|
|
||
|
|
def print_config(self):
|
||
|
|
logger.info('Continuing with the following parameters:\n')
|
||
|
|
if not self.fstype in self.vmtypes:
|
||
|
|
print('KERNEL: [%s]' % self.kernel)
|
||
|
|
if self.dtb:
|
||
|
|
print('DTB: [%s]' % self.dtb)
|
||
|
|
print('MACHINE: [%s]' % self.get('MACHINE'))
|
||
|
|
print('FSTYPE: [%s]' % self.fstype)
|
||
|
|
if self.fstype == 'nfs':
|
||
|
|
print('NFS_DIR: [%s]' % self.rootfs)
|
||
|
|
else:
|
||
|
|
print('ROOTFS: [%s]' % self.rootfs)
|
||
|
|
if self.ovmf_bios:
|
||
|
|
print('OVMF: %s' % self.ovmf_bios)
|
||
|
|
print('CONFFILE: [%s]' % self.qemuboot)
|
||
|
|
print('')
|
||
|
|
|
||
|
|
def setup_nfs(self):
|
||
|
|
if not self.nfs_server:
|
||
|
|
if self.slirp_enabled:
|
||
|
|
self.nfs_server = '10.0.2.2'
|
||
|
|
else:
|
||
|
|
self.nfs_server = '192.168.7.1'
|
||
|
|
|
||
|
|
# Figure out a new nfs_instance to allow multiple qemus running.
|
||
|
|
# CentOS 7.1's ps doesn't print full command line without "ww"
|
||
|
|
# when invoke by subprocess.Popen().
|
||
|
|
cmd = "ps auxww"
|
||
|
|
ps = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout.read().decode('utf-8')
|
||
|
|
pattern = '/bin/unfsd .* -i .*\.pid -e .*/exports([0-9]+) '
|
||
|
|
all_instances = re.findall(pattern, ps, re.M)
|
||
|
|
if all_instances:
|
||
|
|
all_instances.sort(key=int)
|
||
|
|
self.nfs_instance = int(all_instances.pop()) + 1
|
||
|
|
|
||
|
|
nfsd_port = 3049 + 2 * self.nfs_instance
|
||
|
|
mountd_port = 3048 + 2 * self.nfs_instance
|
||
|
|
|
||
|
|
# Export vars for runqemu-export-rootfs
|
||
|
|
export_dict = {
|
||
|
|
'NFS_INSTANCE': self.nfs_instance,
|
||
|
|
'NFSD_PORT': nfsd_port,
|
||
|
|
'MOUNTD_PORT': mountd_port,
|
||
|
|
}
|
||
|
|
for k, v in export_dict.items():
|
||
|
|
# Use '%s' since they are integers
|
||
|
|
os.putenv(k, '%s' % v)
|
||
|
|
|
||
|
|
self.unfs_opts="nfsvers=3,port=%s,udp,mountport=%s" % (nfsd_port, mountd_port)
|
||
|
|
|
||
|
|
# Extract .tar.bz2 or .tar.bz if no nfs dir
|
||
|
|
if not (self.rootfs and os.path.isdir(self.rootfs)):
|
||
|
|
src_prefix = '%s/%s' % (self.get('DEPLOY_DIR_IMAGE'), self.get('IMAGE_LINK_NAME'))
|
||
|
|
dest = "%s-nfsroot" % src_prefix
|
||
|
|
if os.path.exists('%s.pseudo_state' % dest):
|
||
|
|
logger.info('Use %s as NFS_DIR' % dest)
|
||
|
|
self.rootfs = dest
|
||
|
|
else:
|
||
|
|
src = ""
|
||
|
|
src1 = '%s.tar.bz2' % src_prefix
|
||
|
|
src2 = '%s.tar.gz' % src_prefix
|
||
|
|
if os.path.exists(src1):
|
||
|
|
src = src1
|
||
|
|
elif os.path.exists(src2):
|
||
|
|
src = src2
|
||
|
|
if not src:
|
||
|
|
raise RunQemuError("No NFS_DIR is set, and can't find %s or %s to extract" % (src1, src2))
|
||
|
|
logger.info('NFS_DIR not found, extracting %s to %s' % (src, dest))
|
||
|
|
cmd = 'runqemu-extract-sdk %s %s' % (src, dest)
|
||
|
|
logger.info('Running %s...' % cmd)
|
||
|
|
if subprocess.call(cmd, shell=True) != 0:
|
||
|
|
raise RunQemuError('Failed to run %s' % cmd)
|
||
|
|
self.clean_nfs_dir = True
|
||
|
|
self.rootfs = dest
|
||
|
|
|
||
|
|
# Start the userspace NFS server
|
||
|
|
cmd = 'runqemu-export-rootfs start %s' % self.rootfs
|
||
|
|
logger.info('Running %s...' % cmd)
|
||
|
|
if subprocess.call(cmd, shell=True) != 0:
|
||
|
|
raise RunQemuError('Failed to run %s' % cmd)
|
||
|
|
|
||
|
|
self.nfs_running = True
|
||
|
|
|
||
|
|
def setup_slirp(self):
|
||
|
|
"""Setup user networking"""
|
||
|
|
|
||
|
|
if self.fstype == 'nfs':
|
||
|
|
self.setup_nfs()
|
||
|
|
self.kernel_cmdline_script += ' ip=dhcp'
|
||
|
|
# Port mapping
|
||
|
|
hostfwd = ",hostfwd=tcp::2222-:22,hostfwd=tcp::2323-:23"
|
||
|
|
qb_slirp_opt_default = "-netdev user,id=net0%s,tftp=%s" % (hostfwd, self.get('DEPLOY_DIR_IMAGE'))
|
||
|
|
qb_slirp_opt = self.get('QB_SLIRP_OPT') or qb_slirp_opt_default
|
||
|
|
# Figure out the port
|
||
|
|
ports = re.findall('hostfwd=[^-]*:([0-9]+)-[^,-]*', qb_slirp_opt)
|
||
|
|
ports = [int(i) for i in ports]
|
||
|
|
mac = 2
|
||
|
|
# Find a free port to avoid conflicts
|
||
|
|
for p in ports[:]:
|
||
|
|
p_new = p
|
||
|
|
while not check_free_port('localhost', p_new):
|
||
|
|
p_new += 1
|
||
|
|
mac += 1
|
||
|
|
while p_new in ports:
|
||
|
|
p_new += 1
|
||
|
|
mac += 1
|
||
|
|
if p != p_new:
|
||
|
|
ports.append(p_new)
|
||
|
|
qb_slirp_opt = re.sub(':%s-' % p, ':%s-' % p_new, qb_slirp_opt)
|
||
|
|
logger.info("Port forward changed: %s -> %s" % (p, p_new))
|
||
|
|
mac = "%s%02x" % (self.mac_slirp, mac)
|
||
|
|
self.set('NETWORK_CMD', '%s %s' % (self.network_device.replace('@MAC@', mac), qb_slirp_opt))
|
||
|
|
# Print out port foward
|
||
|
|
hostfwd = re.findall('(hostfwd=[^,]*)', qb_slirp_opt)
|
||
|
|
if hostfwd:
|
||
|
|
logger.info('Port forward: %s' % ' '.join(hostfwd))
|
||
|
|
|
||
|
|
def setup_tap(self):
|
||
|
|
"""Setup tap"""
|
||
|
|
|
||
|
|
# This file is created when runqemu-gen-tapdevs creates a bank of tap
|
||
|
|
# devices, indicating that the user should not bring up new ones using
|
||
|
|
# sudo.
|
||
|
|
nosudo_flag = '/etc/runqemu-nosudo'
|
||
|
|
self.qemuifup = shutil.which('runqemu-ifup')
|
||
|
|
self.qemuifdown = shutil.which('runqemu-ifdown')
|
||
|
|
ip = shutil.which('ip')
|
||
|
|
lockdir = "/tmp/qemu-tap-locks"
|
||
|
|
|
||
|
|
if not (self.qemuifup and self.qemuifdown and ip):
|
||
|
|
logger.error("runqemu-ifup: %s" % self.qemuifup)
|
||
|
|
logger.error("runqemu-ifdown: %s" % self.qemuifdown)
|
||
|
|
logger.error("ip: %s" % ip)
|
||
|
|
raise OEPathError("runqemu-ifup, runqemu-ifdown or ip not found")
|
||
|
|
|
||
|
|
if not os.path.exists(lockdir):
|
||
|
|
# There might be a race issue when multi runqemu processess are
|
||
|
|
# running at the same time.
|
||
|
|
try:
|
||
|
|
os.mkdir(lockdir)
|
||
|
|
os.chmod(lockdir, 0o777)
|
||
|
|
except FileExistsError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
cmd = '%s link' % ip
|
||
|
|
logger.debug('Running %s...' % cmd)
|
||
|
|
ip_link = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout.read().decode('utf-8')
|
||
|
|
# Matches line like: 6: tap0: <foo>
|
||
|
|
possibles = re.findall('^[0-9]+: +(tap[0-9]+): <.*', ip_link, re.M)
|
||
|
|
tap = ""
|
||
|
|
for p in possibles:
|
||
|
|
lockfile = os.path.join(lockdir, p)
|
||
|
|
if os.path.exists('%s.skip' % lockfile):
|
||
|
|
logger.info('Found %s.skip, skipping %s' % (lockfile, p))
|
||
|
|
continue
|
||
|
|
self.lock = lockfile + '.lock'
|
||
|
|
if self.acquire_lock(error=False):
|
||
|
|
tap = p
|
||
|
|
logger.info("Using preconfigured tap device %s" % tap)
|
||
|
|
logger.info("If this is not intended, touch %s.skip to make runqemu skip %s." %(lockfile, tap))
|
||
|
|
break
|
||
|
|
|
||
|
|
if not tap:
|
||
|
|
if os.path.exists(nosudo_flag):
|
||
|
|
logger.error("Error: There are no available tap devices to use for networking,")
|
||
|
|
logger.error("and I see %s exists, so I am not going to try creating" % nosudo_flag)
|
||
|
|
raise RunQemuError("a new one with sudo.")
|
||
|
|
|
||
|
|
gid = os.getgid()
|
||
|
|
uid = os.getuid()
|
||
|
|
logger.info("Setting up tap interface under sudo")
|
||
|
|
cmd = 'sudo %s %s %s %s' % (self.qemuifup, uid, gid, self.bindir_native)
|
||
|
|
tap = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout.read().decode('utf-8').rstrip('\n')
|
||
|
|
lockfile = os.path.join(lockdir, tap)
|
||
|
|
self.lock = lockfile + '.lock'
|
||
|
|
self.acquire_lock()
|
||
|
|
self.cleantap = True
|
||
|
|
logger.debug('Created tap: %s' % tap)
|
||
|
|
|
||
|
|
if not tap:
|
||
|
|
logger.error("Failed to setup tap device. Run runqemu-gen-tapdevs to manually create.")
|
||
|
|
return 1
|
||
|
|
self.tap = tap
|
||
|
|
tapnum = int(tap[3:])
|
||
|
|
gateway = tapnum * 2 + 1
|
||
|
|
client = gateway + 1
|
||
|
|
if self.fstype == 'nfs':
|
||
|
|
self.setup_nfs()
|
||
|
|
netconf = "192.168.7.%s::192.168.7.%s:255.255.255.0" % (client, gateway)
|
||
|
|
logger.info("Network configuration: %s", netconf)
|
||
|
|
self.kernel_cmdline_script += " ip=%s" % netconf
|
||
|
|
mac = "%s%02x" % (self.mac_tap, client)
|
||
|
|
qb_tap_opt = self.get('QB_TAP_OPT')
|
||
|
|
if qb_tap_opt:
|
||
|
|
qemu_tap_opt = qb_tap_opt.replace('@TAP@', tap)
|
||
|
|
else:
|
||
|
|
qemu_tap_opt = "-netdev tap,id=net0,ifname=%s,script=no,downscript=no" % (self.tap)
|
||
|
|
|
||
|
|
if self.vhost_enabled:
|
||
|
|
qemu_tap_opt += ',vhost=on'
|
||
|
|
|
||
|
|
self.set('NETWORK_CMD', '%s %s' % (self.network_device.replace('@MAC@', mac), qemu_tap_opt))
|
||
|
|
|
||
|
|
def setup_network(self):
|
||
|
|
if self.get('QB_NET') == 'none':
|
||
|
|
return
|
||
|
|
if sys.stdin.isatty():
|
||
|
|
self.saved_stty = subprocess.check_output("stty -g", shell=True).decode('utf-8')
|
||
|
|
self.network_device = self.get('QB_NETWORK_DEVICE') or self.network_device
|
||
|
|
if self.slirp_enabled:
|
||
|
|
self.setup_slirp()
|
||
|
|
else:
|
||
|
|
self.setup_tap()
|
||
|
|
|
||
|
|
def setup_rootfs(self):
|
||
|
|
if self.get('QB_ROOTFS') == 'none':
|
||
|
|
return
|
||
|
|
if 'wic.' in self.fstype:
|
||
|
|
self.fstype = self.fstype[4:]
|
||
|
|
rootfs_format = self.fstype if self.fstype in ('vmdk', 'qcow2', 'vdi') else 'raw'
|
||
|
|
|
||
|
|
qb_rootfs_opt = self.get('QB_ROOTFS_OPT')
|
||
|
|
if qb_rootfs_opt:
|
||
|
|
self.rootfs_options = qb_rootfs_opt.replace('@ROOTFS@', self.rootfs)
|
||
|
|
else:
|
||
|
|
self.rootfs_options = '-drive file=%s,if=virtio,format=%s' % (self.rootfs, rootfs_format)
|
||
|
|
|
||
|
|
if self.fstype in ('cpio.gz', 'cpio'):
|
||
|
|
self.kernel_cmdline = 'root=/dev/ram0 rw debugshell'
|
||
|
|
self.rootfs_options = '-initrd %s' % self.rootfs
|
||
|
|
else:
|
||
|
|
vm_drive = ''
|
||
|
|
if self.fstype in self.vmtypes:
|
||
|
|
if self.fstype == 'iso':
|
||
|
|
vm_drive = '-drive file=%s,if=virtio,media=cdrom' % self.rootfs
|
||
|
|
elif self.get('QB_DRIVE_TYPE'):
|
||
|
|
drive_type = self.get('QB_DRIVE_TYPE')
|
||
|
|
if drive_type.startswith("/dev/sd"):
|
||
|
|
logger.info('Using scsi drive')
|
||
|
|
vm_drive = '-drive if=none,id=hd,file=%s,format=%s -device virtio-scsi-pci,id=scsi -device scsi-hd,drive=hd' \
|
||
|
|
% (self.rootfs, rootfs_format)
|
||
|
|
elif drive_type.startswith("/dev/hd"):
|
||
|
|
logger.info('Using ide drive')
|
||
|
|
vm_drive = "-drive file=%s,format=%s" % (self.rootfs, rootfs_format)
|
||
|
|
else:
|
||
|
|
# virtio might have been selected explicitly (just use it), or
|
||
|
|
# is used as fallback (then warn about that).
|
||
|
|
if not drive_type.startswith("/dev/vd"):
|
||
|
|
logger.warn("Unknown QB_DRIVE_TYPE: %s" % drive_type)
|
||
|
|
logger.warn("Failed to figure out drive type, consider define or fix QB_DRIVE_TYPE")
|
||
|
|
logger.warn('Trying to use virtio block drive')
|
||
|
|
vm_drive = '-drive if=virtio,file=%s,format=%s' % (self.rootfs, rootfs_format)
|
||
|
|
|
||
|
|
# All branches above set vm_drive.
|
||
|
|
self.rootfs_options = '%s -no-reboot' % vm_drive
|
||
|
|
self.kernel_cmdline = 'root=%s rw highres=off' % (self.get('QB_KERNEL_ROOT'))
|
||
|
|
|
||
|
|
if self.fstype == 'nfs':
|
||
|
|
self.rootfs_options = ''
|
||
|
|
k_root = '/dev/nfs nfsroot=%s:%s,%s' % (self.nfs_server, os.path.abspath(self.rootfs), self.unfs_opts)
|
||
|
|
self.kernel_cmdline = 'root=%s rw highres=off' % k_root
|
||
|
|
|
||
|
|
if self.fstype == 'none':
|
||
|
|
self.rootfs_options = ''
|
||
|
|
|
||
|
|
self.set('ROOTFS_OPTIONS', self.rootfs_options)
|
||
|
|
|
||
|
|
def guess_qb_system(self):
|
||
|
|
"""attempt to determine the appropriate qemu-system binary"""
|
||
|
|
mach = self.get('MACHINE')
|
||
|
|
if not mach:
|
||
|
|
search = '.*(qemux86-64|qemux86|qemuarm64|qemuarm|qemumips64|qemumips64el|qemumipsel|qemumips|qemuppc).*'
|
||
|
|
if self.rootfs:
|
||
|
|
match = re.match(search, self.rootfs)
|
||
|
|
if match:
|
||
|
|
mach = match.group(1)
|
||
|
|
elif self.kernel:
|
||
|
|
match = re.match(search, self.kernel)
|
||
|
|
if match:
|
||
|
|
mach = match.group(1)
|
||
|
|
|
||
|
|
if not mach:
|
||
|
|
return None
|
||
|
|
|
||
|
|
if mach == 'qemuarm':
|
||
|
|
qbsys = 'arm'
|
||
|
|
elif mach == 'qemuarm64':
|
||
|
|
qbsys = 'aarch64'
|
||
|
|
elif mach == 'qemux86':
|
||
|
|
qbsys = 'i386'
|
||
|
|
elif mach == 'qemux86-64':
|
||
|
|
qbsys = 'x86_64'
|
||
|
|
elif mach == 'qemuppc':
|
||
|
|
qbsys = 'ppc'
|
||
|
|
elif mach == 'qemumips':
|
||
|
|
qbsys = 'mips'
|
||
|
|
elif mach == 'qemumips64':
|
||
|
|
qbsys = 'mips64'
|
||
|
|
elif mach == 'qemumipsel':
|
||
|
|
qbsys = 'mipsel'
|
||
|
|
elif mach == 'qemumips64el':
|
||
|
|
qbsys = 'mips64el'
|
||
|
|
elif mach == 'qemuriscv64':
|
||
|
|
qbsys = 'riscv64'
|
||
|
|
elif mach == 'qemuriscv32':
|
||
|
|
qbsys = 'riscv32'
|
||
|
|
|
||
|
|
return 'qemu-system-%s' % qbsys
|
||
|
|
|
||
|
|
def setup_final(self):
|
||
|
|
qemu_system = self.get('QB_SYSTEM_NAME')
|
||
|
|
if not qemu_system:
|
||
|
|
qemu_system = self.guess_qb_system()
|
||
|
|
if not qemu_system:
|
||
|
|
raise RunQemuError("Failed to boot, QB_SYSTEM_NAME is NULL!")
|
||
|
|
|
||
|
|
qemu_bin = '%s/%s' % (self.bindir_native, qemu_system)
|
||
|
|
|
||
|
|
# It is possible to have qemu-native in ASSUME_PROVIDED, and it won't
|
||
|
|
# find QEMU in sysroot, it needs to use host's qemu.
|
||
|
|
if not os.path.exists(qemu_bin):
|
||
|
|
logger.info("QEMU binary not found in %s, trying host's QEMU" % qemu_bin)
|
||
|
|
for path in (os.environ['PATH'] or '').split(':'):
|
||
|
|
qemu_bin_tmp = os.path.join(path, qemu_system)
|
||
|
|
logger.info("Trying: %s" % qemu_bin_tmp)
|
||
|
|
if os.path.exists(qemu_bin_tmp):
|
||
|
|
qemu_bin = qemu_bin_tmp
|
||
|
|
if not os.path.isabs(qemu_bin):
|
||
|
|
qemu_bin = os.path.abspath(qemu_bin)
|
||
|
|
logger.info("Using host's QEMU: %s" % qemu_bin)
|
||
|
|
break
|
||
|
|
|
||
|
|
if not os.access(qemu_bin, os.X_OK):
|
||
|
|
raise OEPathError("No QEMU binary '%s' could be found" % qemu_bin)
|
||
|
|
|
||
|
|
check_libgl(qemu_bin)
|
||
|
|
|
||
|
|
self.qemu_opt = "%s %s %s %s" % (qemu_bin, self.get('NETWORK_CMD'), self.get('ROOTFS_OPTIONS'), self.get('QB_OPT_APPEND'))
|
||
|
|
|
||
|
|
for ovmf in self.ovmf_bios:
|
||
|
|
format = ovmf.rsplit('.', 1)[-1]
|
||
|
|
self.qemu_opt += ' -drive if=pflash,format=%s,file=%s' % (format, ovmf)
|
||
|
|
if self.ovmf_bios:
|
||
|
|
# OVMF only supports normal VGA, i.e. we need to override a -vga vmware
|
||
|
|
# that gets added for example for normal qemux86.
|
||
|
|
self.qemu_opt += ' -vga std'
|
||
|
|
|
||
|
|
self.qemu_opt += ' ' + self.qemu_opt_script
|
||
|
|
|
||
|
|
if self.snapshot:
|
||
|
|
self.qemu_opt += " -snapshot"
|
||
|
|
|
||
|
|
if self.serialstdio:
|
||
|
|
if sys.stdin.isatty():
|
||
|
|
subprocess.check_call("stty intr ^]", shell=True)
|
||
|
|
logger.info("Interrupt character is '^]'")
|
||
|
|
|
||
|
|
first_serial = ""
|
||
|
|
if not re.search("-nographic", self.qemu_opt):
|
||
|
|
first_serial = "-serial mon:vc"
|
||
|
|
# We always want a ttyS1. Since qemu by default adds a serial
|
||
|
|
# port when nodefaults is not specified, it seems that all that
|
||
|
|
# would be needed is to make sure a "-serial" is there. However,
|
||
|
|
# it appears that when "-serial" is specified, it ignores the
|
||
|
|
# default serial port that is normally added. So here we make
|
||
|
|
# sure to add two -serial if there are none. And only one if
|
||
|
|
# there is one -serial already.
|
||
|
|
serial_num = len(re.findall("-serial", self.qemu_opt))
|
||
|
|
if serial_num == 0:
|
||
|
|
self.qemu_opt += " %s %s" % (first_serial, self.get("QB_SERIAL_OPT"))
|
||
|
|
elif serial_num == 1:
|
||
|
|
self.qemu_opt += " %s" % self.get("QB_SERIAL_OPT")
|
||
|
|
|
||
|
|
# We always wants ttyS0 and ttyS1 in qemu machines (see SERIAL_CONSOLES),
|
||
|
|
# if not serial or serialtcp options was specified only ttyS0 is created
|
||
|
|
# and sysvinit shows an error trying to enable ttyS1:
|
||
|
|
# INIT: Id "S1" respawning too fast: disabled for 5 minutes
|
||
|
|
serial_num = len(re.findall("-serial", self.qemu_opt))
|
||
|
|
if serial_num == 0:
|
||
|
|
if re.search("-nographic", self.qemu_opt):
|
||
|
|
self.qemu_opt += " -serial mon:stdio -serial null"
|
||
|
|
else:
|
||
|
|
self.qemu_opt += " -serial mon:vc -serial null"
|
||
|
|
|
||
|
|
def start_qemu(self):
|
||
|
|
if self.kernel:
|
||
|
|
kernel_opts = "-kernel %s -append '%s %s %s %s'" % (self.kernel, self.kernel_cmdline,
|
||
|
|
self.kernel_cmdline_script, self.get('QB_KERNEL_CMDLINE_APPEND'),
|
||
|
|
self.bootparams)
|
||
|
|
if self.dtb:
|
||
|
|
kernel_opts += " -dtb %s" % self.dtb
|
||
|
|
else:
|
||
|
|
kernel_opts = ""
|
||
|
|
cmd = "%s %s" % (self.qemu_opt, kernel_opts)
|
||
|
|
logger.info('Running %s\n' % cmd)
|
||
|
|
process = subprocess.Popen(cmd, shell=True, stderr=subprocess.PIPE)
|
||
|
|
if process.wait():
|
||
|
|
logger.error("Failed to run qemu: %s", process.stderr.read().decode())
|
||
|
|
|
||
|
|
def cleanup(self):
|
||
|
|
if self.cleantap:
|
||
|
|
cmd = 'sudo %s %s %s' % (self.qemuifdown, self.tap, self.bindir_native)
|
||
|
|
logger.debug('Running %s' % cmd)
|
||
|
|
subprocess.check_call(cmd, shell=True)
|
||
|
|
if self.lock_descriptor:
|
||
|
|
logger.info("Releasing lockfile for tap device '%s'" % self.tap)
|
||
|
|
self.release_lock()
|
||
|
|
|
||
|
|
if self.nfs_running:
|
||
|
|
logger.info("Shutting down the userspace NFS server...")
|
||
|
|
cmd = "runqemu-export-rootfs stop %s" % self.rootfs
|
||
|
|
logger.debug('Running %s' % cmd)
|
||
|
|
subprocess.check_call(cmd, shell=True)
|
||
|
|
|
||
|
|
if self.saved_stty:
|
||
|
|
cmd = "stty %s" % self.saved_stty
|
||
|
|
subprocess.check_call(cmd, shell=True)
|
||
|
|
|
||
|
|
if self.clean_nfs_dir:
|
||
|
|
logger.info('Removing %s' % self.rootfs)
|
||
|
|
shutil.rmtree(self.rootfs)
|
||
|
|
shutil.rmtree('%s.pseudo_state' % self.rootfs)
|
||
|
|
|
||
|
|
def load_bitbake_env(self, mach=None):
|
||
|
|
if self.bitbake_e:
|
||
|
|
return
|
||
|
|
|
||
|
|
bitbake = shutil.which('bitbake')
|
||
|
|
if not bitbake:
|
||
|
|
return
|
||
|
|
|
||
|
|
if not mach:
|
||
|
|
mach = self.get('MACHINE')
|
||
|
|
|
||
|
|
if mach:
|
||
|
|
cmd = 'MACHINE=%s bitbake -e' % mach
|
||
|
|
else:
|
||
|
|
cmd = 'bitbake -e'
|
||
|
|
|
||
|
|
logger.info('Running %s...' % cmd)
|
||
|
|
try:
|
||
|
|
self.bitbake_e = subprocess.check_output(cmd, shell=True).decode('utf-8')
|
||
|
|
except subprocess.CalledProcessError as err:
|
||
|
|
self.bitbake_e = ''
|
||
|
|
logger.warn("Couldn't run 'bitbake -e' to gather environment information:\n%s" % err.output.decode('utf-8'))
|
||
|
|
|
||
|
|
def validate_combos(self):
|
||
|
|
if (self.fstype in self.vmtypes) and self.kernel:
|
||
|
|
raise RunQemuError("%s doesn't need kernel %s!" % (self.fstype, self.kernel))
|
||
|
|
|
||
|
|
@property
|
||
|
|
def bindir_native(self):
|
||
|
|
result = self.get('STAGING_BINDIR_NATIVE')
|
||
|
|
if result and os.path.exists(result):
|
||
|
|
return result
|
||
|
|
|
||
|
|
cmd = 'bitbake qemu-helper-native -e'
|
||
|
|
logger.info('Running %s...' % cmd)
|
||
|
|
out = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
|
||
|
|
out = out.stdout.read().decode('utf-8')
|
||
|
|
|
||
|
|
match = re.search('^STAGING_BINDIR_NATIVE="(.*)"', out, re.M)
|
||
|
|
if match:
|
||
|
|
result = match.group(1)
|
||
|
|
if os.path.exists(result):
|
||
|
|
self.set('STAGING_BINDIR_NATIVE', result)
|
||
|
|
return result
|
||
|
|
raise RunQemuError("Native sysroot directory %s doesn't exist" % result)
|
||
|
|
else:
|
||
|
|
raise RunQemuError("Can't find STAGING_BINDIR_NATIVE in '%s' output" % cmd)
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
if "help" in sys.argv or '-h' in sys.argv or '--help' in sys.argv:
|
||
|
|
print_usage()
|
||
|
|
return 0
|
||
|
|
try:
|
||
|
|
config = BaseConfig()
|
||
|
|
config.check_args()
|
||
|
|
config.read_qemuboot()
|
||
|
|
config.check_and_set()
|
||
|
|
# Check whether the combos is valid or not
|
||
|
|
config.validate_combos()
|
||
|
|
config.print_config()
|
||
|
|
config.setup_network()
|
||
|
|
config.setup_rootfs()
|
||
|
|
config.setup_final()
|
||
|
|
config.start_qemu()
|
||
|
|
except RunQemuError as err:
|
||
|
|
logger.error(err)
|
||
|
|
return 1
|
||
|
|
except Exception as err:
|
||
|
|
import traceback
|
||
|
|
traceback.print_exc()
|
||
|
|
return 1
|
||
|
|
finally:
|
||
|
|
print("Cleanup")
|
||
|
|
config.cleanup()
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
sys.exit(main())
|