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Diffstat (limited to 'poky/scripts/runqemu')
-rwxr-xr-x | poky/scripts/runqemu | 1307 |
1 files changed, 1307 insertions, 0 deletions
diff --git a/poky/scripts/runqemu b/poky/scripts/runqemu new file mode 100755 index 000000000..d99849406 --- /dev/null +++ b/poky/scripts/runqemu @@ -0,0 +1,1307 @@ +#!/usr/bin/env python3 + +# Handle running OE images standalone with QEMU +# +# Copyright (C) 2006-2011 Linux Foundation +# Copyright (c) 2016 Wind River Systems, Inc. +# +# 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. + +import os +import sys +import logging +import subprocess +import re +import fcntl +import shutil +import glob +import configparser + +class RunQemuError(Exception): + """Custom exception to raise on known errors.""" + pass + +class OEPathError(RunQemuError): + """Custom Exception to give better guidance on missing binaries""" + def __init__(self, message): + super().__init__("In order for this script to dynamically infer paths\n \ +kernels or filesystem images, you either need bitbake in your PATH\n \ +or to source oe-init-build-env before running this script.\n\n \ +Dynamic path inference can be avoided by passing a *.qemuboot.conf to\n \ +runqemu, i.e. `runqemu /path/to/my-image-name.qemuboot.conf`\n\n %s" % message) + + +def create_logger(): + logger = logging.getLogger('runqemu') + logger.setLevel(logging.INFO) + + # create console handler and set level to debug + ch = logging.StreamHandler() + ch.setLevel(logging.DEBUG) + + # create formatter + formatter = logging.Formatter('%(name)s - %(levelname)s - %(message)s') + + # add formatter to ch + ch.setFormatter(formatter) + + # add ch to logger + logger.addHandler(ch) + + return logger + +logger = create_logger() + +def print_usage(): + print(""" +Usage: you can run this script with any valid combination +of the following environment variables (in any order): + KERNEL - the kernel image file to use + ROOTFS - the rootfs image file or nfsroot directory to use + DEVICE_TREE - the device tree blob to use + MACHINE - the machine name (optional, autodetected from KERNEL filename if unspecified) + Simplified QEMU command-line options can be passed with: + nographic - disable video console + serial - enable a serial console on /dev/ttyS0 + slirp - enable user networking, no root privileges is required + kvm - enable KVM when running x86/x86_64 (VT-capable CPU required) + kvm-vhost - enable KVM with vhost when running x86/x86_64 (VT-capable CPU required) + publicvnc - enable a VNC server open to all hosts + audio - enable audio + [*/]ovmf* - OVMF firmware file or base name for booting with UEFI + tcpserial=<port> - specify tcp serial port number + biosdir=<dir> - specify custom bios dir + biosfilename=<filename> - specify bios filename + qemuparams=<xyz> - specify custom parameters to QEMU + bootparams=<xyz> - specify custom kernel parameters during boot + help, -h, --help: print this text + -d, --debug: Enable debug output + -q, --quite: Hide most output except error messages + +Examples: + runqemu + runqemu qemuarm + runqemu tmp/deploy/images/qemuarm + runqemu tmp/deploy/images/qemux86/<qemuboot.conf> + runqemu qemux86-64 core-image-sato ext4 + runqemu qemux86-64 wic-image-minimal wic + runqemu path/to/bzImage-qemux86.bin path/to/nfsrootdir/ serial + runqemu qemux86 iso/hddimg/wic.vmdk/wic.qcow2/wic.vdi/ramfs/cpio.gz... + runqemu qemux86 qemuparams="-m 256" + runqemu qemux86 bootparams="psplash=false" + runqemu path/to/<image>-<machine>.wic + runqemu path/to/<image>-<machine>.wic.vmdk +""") + +def check_tun(): + """Check /dev/net/tun""" + dev_tun = '/dev/net/tun' + if not os.path.exists(dev_tun): + raise RunQemuError("TUN control device %s is unavailable; you may need to enable TUN (e.g. sudo modprobe tun)" % dev_tun) + + if not os.access(dev_tun, os.W_OK): + raise RunQemuError("TUN control device %s is not writable, please fix (e.g. sudo chmod 666 %s)" % (dev_tun, dev_tun)) + +def check_libgl(qemu_bin): + cmd = 'ldd %s' % qemu_bin + logger.debug('Running %s...' % cmd) + need_gl = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout.read().decode('utf-8') + if re.search('libGLU', need_gl): + # We can't run without a libGL.so + libgl = False + check_files = (('/usr/lib/libGL.so', '/usr/lib/libGLU.so'), \ + ('/usr/lib64/libGL.so', '/usr/lib64/libGLU.so'), \ + ('/usr/lib/*-linux-gnu/libGL.so', '/usr/lib/*-linux-gnu/libGLU.so')) + + for (f1, f2) in check_files: + if re.search('\*', f1): + for g1 in glob.glob(f1): + if libgl: + break + if os.path.exists(g1): + for g2 in glob.glob(f2): + if os.path.exists(g2): + libgl = True + break + if libgl: + break + else: + if os.path.exists(f1) and os.path.exists(f2): + libgl = True + break + if not libgl: + logger.error("You need libGL.so and libGLU.so to exist in your library path to run the QEMU emulator.") + logger.error("Ubuntu package names are: libgl1-mesa-dev and libglu1-mesa-dev.") + logger.error("Fedora package names are: mesa-libGL-devel mesa-libGLU-devel.") + raise RunQemuError('%s requires libGLU, but not found' % qemu_bin) + +def get_first_file(cmds): + """Return first file found in wildcard cmds""" + for cmd in cmds: + all_files = glob.glob(cmd) + if all_files: + for f in all_files: + if not os.path.isdir(f): + return f + return '' + +def check_free_port(host, port): + """ Check whether the port is free or not """ + import socket + from contextlib import closing + + with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock: + if sock.connect_ex((host, port)) == 0: + # Port is open, so not free + return False + else: + # Port is not open, so free + return True + +class BaseConfig(object): + def __init__(self): + # The self.d saved vars from self.set(), part of them are from qemuboot.conf + self.d = {'QB_KERNEL_ROOT': '/dev/vda'} + + # Supported env vars, add it here if a var can be got from env, + # and don't use os.getenv in the code. + self.env_vars = ('MACHINE', + 'ROOTFS', + 'KERNEL', + 'DEVICE_TREE', + 'DEPLOY_DIR_IMAGE', + 'OE_TMPDIR', + 'OECORE_NATIVE_SYSROOT', + ) + + self.qemu_opt = '' + self.qemu_opt_script = '' + self.clean_nfs_dir = False + self.nfs_server = '' + self.rootfs = '' + # File name(s) of a OVMF firmware file or variable store, + # to be added with -drive if=pflash. + # Found in the same places as the rootfs, with or without one of + # these suffices: qcow2, bin. + # Setting one also adds "-vga std" because that is all that + # OVMF supports. + self.ovmf_bios = [] + self.qemuboot = '' + self.qbconfload = False + self.kernel = '' + self.kernel_cmdline = '' + self.kernel_cmdline_script = '' + self.bootparams = '' + self.dtb = '' + self.fstype = '' + self.kvm_enabled = False + self.vhost_enabled = False + self.slirp_enabled = False + self.nfs_instance = 0 + self.nfs_running = False + self.serialstdio = False + self.cleantap = False + self.saved_stty = '' + self.audio_enabled = False + self.tcpserial_portnum = '' + self.custombiosdir = '' + self.lock = '' + self.lock_descriptor = '' + self.bitbake_e = '' + self.snapshot = False + self.fstypes = ('ext2', 'ext3', 'ext4', 'jffs2', 'nfs', 'btrfs', + 'cpio.gz', 'cpio', 'ramfs', 'tar.bz2', 'tar.gz') + self.vmtypes = ('hddimg', 'hdddirect', 'wic', 'wic.vmdk', + 'wic.qcow2', 'wic.vdi', 'iso') + self.network_device = "-device e1000,netdev=net0,mac=@MAC@" + # Use different mac section for tap and slirp to avoid + # conflicts, e.g., when one is running with tap, the other is + # running with slirp. + # The last section is dynamic, which is for avoiding conflicts, + # when multiple qemus are running, e.g., when multiple tap or + # slirp qemus are running. + self.mac_tap = "52:54:00:12:34:" + self.mac_slirp = "52:54:00:12:35:" + + def acquire_lock(self, error=True): + logger.debug("Acquiring lockfile %s..." % self.lock) + try: + self.lock_descriptor = open(self.lock, 'w') + fcntl.flock(self.lock_descriptor, fcntl.LOCK_EX|fcntl.LOCK_NB) + except Exception as e: + msg = "Acquiring lockfile %s failed: %s" % (self.lock, e) + if error: + logger.error(msg) + else: + logger.info(msg) + if self.lock_descriptor: + self.lock_descriptor.close() + return False + return True + + def release_lock(self): + fcntl.flock(self.lock_descriptor, fcntl.LOCK_UN) + self.lock_descriptor.close() + os.remove(self.lock) + + def get(self, key): + if key in self.d: + return self.d.get(key) + elif os.getenv(key): + return os.getenv(key) + else: + return '' + + def set(self, key, value): + self.d[key] = value + + def is_deploy_dir_image(self, p): + if os.path.isdir(p): + if not re.search('.qemuboot.conf$', '\n'.join(os.listdir(p)), re.M): + logger.debug("Can't find required *.qemuboot.conf in %s" % p) + return False + if not any(map(lambda name: '-image-' in name, os.listdir(p))): + logger.debug("Can't find *-image-* in %s" % p) + return False + return True + else: + return False + + def check_arg_fstype(self, fst): + """Check and set FSTYPE""" + if fst not in self.fstypes + self.vmtypes: + logger.warn("Maybe unsupported FSTYPE: %s" % fst) + if not self.fstype or self.fstype == fst: + if fst == 'ramfs': + fst = 'cpio.gz' + if fst in ('tar.bz2', 'tar.gz'): + fst = 'nfs' + self.fstype = fst + else: + raise RunQemuError("Conflicting: FSTYPE %s and %s" % (self.fstype, fst)) + + def set_machine_deploy_dir(self, machine, deploy_dir_image): + """Set MACHINE and DEPLOY_DIR_IMAGE""" + logger.debug('MACHINE: %s' % machine) + self.set("MACHINE", machine) + logger.debug('DEPLOY_DIR_IMAGE: %s' % deploy_dir_image) + self.set("DEPLOY_DIR_IMAGE", deploy_dir_image) + + def check_arg_nfs(self, p): + if os.path.isdir(p): + self.rootfs = p + else: + m = re.match('(.*):(.*)', p) + self.nfs_server = m.group(1) + self.rootfs = m.group(2) + self.check_arg_fstype('nfs') + + def check_arg_path(self, p): + """ + - Check whether it is <image>.qemuboot.conf or contains <image>.qemuboot.conf + - Check whether is a kernel file + - Check whether is a image file + - Check whether it is a nfs dir + - Check whether it is a OVMF flash file + """ + if p.endswith('.qemuboot.conf'): + self.qemuboot = p + self.qbconfload = True + elif re.search('\.bin$', p) or re.search('bzImage', p) or \ + re.search('zImage', p) or re.search('vmlinux', p) or \ + re.search('fitImage', p) or re.search('uImage', p): + self.kernel = p + elif os.path.exists(p) and (not os.path.isdir(p)) and '-image-' in os.path.basename(p): + self.rootfs = p + # Check filename against self.fstypes can hanlde <file>.cpio.gz, + # otherwise, its type would be "gz", which is incorrect. + fst = "" + for t in self.fstypes: + if p.endswith(t): + fst = t + break + if not fst: + m = re.search('.*\.(.*)$', self.rootfs) + if m: + fst = m.group(1) + if fst: + self.check_arg_fstype(fst) + qb = re.sub('\.' + fst + "$", '', self.rootfs) + qb = '%s%s' % (re.sub('\.rootfs$', '', qb), '.qemuboot.conf') + 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' + if self.get('MACHINE') == "qemux86": + # Workaround for broken APIC window on pre 4.15 host kernels which causes boot hangs + # See YOCTO #12301 + # On 64 bit we use x2apic + self.kernel_cmdline_script += " clocksource=kvm-clock hpet=disable noapic nolapic" + 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()) |