def prepare_rootfs_msdos(self, rootfs, oe_builddir, rootfs_dir,
native_sysroot, pseudo):
"""
Prepare content for a msdos/vfat rootfs partition.
"""
du_cmd = "du -bks %s" % rootfs_dir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
rootfs_size = self.get_rootfs_size(blocks)
label_str = "-n boot"
if self.label:
label_str = "-n %s" % self.label
size_str = ""
if self.fstype == 'msdos':
size_str = "-F 16" # FAT 16
dosfs_cmd = "mkdosfs %s -S 512 %s -C %s %d" % (label_str, size_str,
rootfs, rootfs_size)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (rootfs, rootfs_dir)
exec_native_cmd(mcopy_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % rootfs
exec_cmd(chmod_cmd)
def finalize(self):
"""
Finalize the disk image.
For example, prepare the image to be bootable by e.g.
creating and installing a bootloader configuration.
"""
source_plugin = self.ks.bootloader.source
disk_name = self.parts[0].disk
if source_plugin:
plugin = PluginMgr.get_plugins('source')[source_plugin]
plugin.do_install_disk(self._image, disk_name, self, self.workdir,
self.oe_builddir, self.bootimg_dir,
self.kernel_dir, self.native_sysroot)
full_path = self._image.path
# Generate .bmap
if self.bmap:
logger.debug("Generating bmap file for %s", disk_name)
exec_native_cmd("bmaptool create %s -o %s.bmap" % (full_path, full_path),
self.native_sysroot)
# Compress the image
if self.compressor:
logger.debug("Compressing disk %s with %s", disk_name, self.compressor)
exec_cmd("%s %s" % (self.compressor, full_path))
def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(), creates syslinux config
"""
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
custom_cfg = None
if bootloader.configfile:
custom_cfg = get_custom_config(bootloader.configfile)
if custom_cfg:
# Use a custom configuration for grub
syslinux_conf = custom_cfg
logger.debug("Using custom configuration file %s "
"for syslinux.cfg", bootloader.configfile)
else:
raise WicError("configfile is specified but failed to "
"get it from %s." % bootloader.configfile)
if not custom_cfg:
# Create syslinux configuration using parameters from wks file
splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg")
if os.path.exists(splash):
splashline = "menu background splash.jpg"
else:
splashline = ""
syslinux_conf = ""
syslinux_conf += "PROMPT 0\n"
syslinux_conf += "TIMEOUT " + str(bootloader.timeout) + "\n"
syslinux_conf += "\n"
syslinux_conf += "ALLOWOPTIONS 1\n"
syslinux_conf += "SERIAL 0 115200\n"
syslinux_conf += "\n"
if splashline:
syslinux_conf += "%s\n" % splashline
syslinux_conf += "DEFAULT boot\n"
syslinux_conf += "LABEL boot\n"
kernel = get_bitbake_var("KERNEL_IMAGE")
initrd = get_bitbake_var("INITRD_IMAGE")
syslinux_conf += "KERNEL " + kernel + "\n"
syslinux_conf += "APPEND label=boot root=%s initrd=%s %s\n" % \
(creator.rootdev, initrd, bootloader.append)
logger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg",
cr_workdir)
cfg = open("%s/hdd/boot/syslinux.cfg" % cr_workdir, "w")
cfg.write(syslinux_conf)
cfg.close()
def _build_initramfs_path(rootfs_dir, cr_workdir):
"""
Create path for initramfs image
"""
initrd = get_bitbake_var("INITRD_LIVE") or get_bitbake_var("INITRD")
if not initrd:
initrd_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not initrd_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting.")
image_name = get_bitbake_var("IMAGE_BASENAME")
if not image_name:
raise WicError("Couldn't find IMAGE_BASENAME, exiting.")
image_type = get_bitbake_var("INITRAMFS_FSTYPES")
if not image_type:
raise WicError("Couldn't find INITRAMFS_FSTYPES, exiting.")
target_arch = get_bitbake_var("TRANSLATED_TARGET_ARCH")
if not target_arch:
raise WicError("Couldn't find TRANSLATED_TARGET_ARCH, exiting.")
initrd = glob.glob('%s/%s*%s.%s' % (initrd_dir, image_name, target_arch, image_type))[0]
if not os.path.exists(initrd):
# Create initrd from rootfs directory
initrd = "%s/initrd.cpio.gz" % cr_workdir
initrd_dir = "%s/INITRD" % cr_workdir
shutil.copytree("%s" % rootfs_dir, \
"%s" % initrd_dir, symlinks=True)
if os.path.isfile("%s/init" % rootfs_dir):
shutil.copy2("%s/init" % rootfs_dir, "%s/init" % initrd_dir)
elif os.path.lexists("%s/init" % rootfs_dir):
os.symlink(os.readlink("%s/init" % rootfs_dir), \
"%s/init" % initrd_dir)
elif os.path.isfile("%s/sbin/init" % rootfs_dir):
shutil.copy2("%s/sbin/init" % rootfs_dir, \
"%s" % initrd_dir)
elif os.path.lexists("%s/sbin/init" % rootfs_dir):
os.symlink(os.readlink("%s/sbin/init" % rootfs_dir), \
"%s/init" % initrd_dir)
else:
raise WicError("Couldn't find or build initrd, exiting.")
exec_cmd("cd %s && find . | cpio -o -H newc -R +0:+0 >./initrd.cpio " \
% initrd_dir, as_shell=True)
exec_cmd("gzip -f -9 -c %s/initrd.cpio > %s" \
% (cr_workdir, initrd), as_shell=True)
shutil.rmtree(initrd_dir)
return initrd
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
"""
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Kernel dir: %s', kernel_dir)
if 'file' not in source_params:
raise WicError("No file specified")
src = os.path.join(kernel_dir, source_params['file'])
dst = os.path.join(cr_workdir, "%s.%s" % (source_params['file'], part.lineno))
if 'skip' in source_params:
sparse_copy(src, dst, skip=int(source_params['skip']))
else:
sparse_copy(src, dst)
# get the size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % dst
out = exec_cmd(du_cmd)
filesize = int(out.split()[0])
if filesize > part.size:
part.size = filesize
part.source_file = dst
def prepare_rootfs_ext(self, rootfs, oe_builddir, rootfs_dir,
native_sysroot, pseudo):
"""
Prepare content for an ext2/3/4 rootfs partition.
"""
du_cmd = "du -ks %s" % rootfs_dir
out = exec_cmd(du_cmd)
actual_rootfs_size = int(out.split()[0])
rootfs_size = self.get_rootfs_size(actual_rootfs_size)
with open(rootfs, 'w') as sparse:
os.ftruncate(sparse.fileno(), rootfs_size * 1024)
extra_imagecmd = "-i 8192"
label_str = ""
if self.label:
label_str = "-L %s" % self.label
mkfs_cmd = "mkfs.%s -F %s %s %s -d %s" % \
(self.fstype, extra_imagecmd, rootfs, label_str, rootfs_dir)
exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
mkfs_cmd = "fsck.%s -fy %s" % (self.fstype, rootfs)
exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
def prepare_empty_partition_vfat(self, rootfs, oe_builddir,
native_sysroot):
"""
Prepare an empty vfat partition.
"""
blocks = self.disk_size
label_str = "-n boot"
if self.label:
label_str = "-n %s" % self.label
dosfs_cmd = "mkdosfs %s -S 512 -C %s %d" % (label_str, rootfs, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % rootfs
exec_cmd(chmod_cmd)
def prepare_empty_partition_squashfs(self, cr_workdir, oe_builddir,
native_sysroot):
"""
Prepare an empty squashfs partition.
"""
logger.warning("Creating of an empty squashfs %s partition was attempted. "
"Proceeding as requested.", self.mountpoint)
path = "%s/fs_%s.%s" % (cr_workdir, self.label, self.fstype)
if os.path.isfile(path):
os.remove(path)
# it is not possible to create a squashfs without source data,
# thus prepare an empty temp dir that is used as source
tmpdir = tempfile.mkdtemp()
squashfs_cmd = "mksquashfs %s %s -noappend" % \
(tmpdir, path)
exec_native_cmd(squashfs_cmd, native_sysroot)
os.rmdir(tmpdir)
# get the rootfs size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % path
out = exec_cmd(du_cmd)
fs_size = out.split()[0]
self.size = int(fs_size)
def prepare_empty_partition_squashfs(self, cr_workdir, oe_builddir,
native_sysroot):
"""
Prepare an empty squashfs partition.
"""
msger.warning("Creating of an empty squashfs %s partition was attempted. " \
"Proceeding as requested." % self.mountpoint)
path = "%s/fs_%s.%s" % (cr_workdir, self.label, self.fstype)
if os.path.isfile(path):
os.remove(path)
# it is not possible to create a squashfs without source data,
# thus prepare an empty temp dir that is used as source
tmpdir = tempfile.mkdtemp()
squashfs_cmd = "mksquashfs %s %s -noappend" % \
(tmpdir, path)
exec_native_cmd(squashfs_cmd, native_sysroot)
os.rmdir(tmpdir)
# get the rootfs size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % path
out = exec_cmd(du_cmd)
fs_size = out.split()[0]
self.size = int(fs_size)
def prepare_empty_partition_vfat(self, rootfs, oe_builddir,
native_sysroot):
"""
Prepare an empty vfat partition.
"""
blocks = self.disk_size
label_str = "-n boot"
if self.label:
label_str = "-n %s" % self.label
dosfs_cmd = "mkdosfs %s -S 512 -C %s %d" % (label_str, rootfs, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % rootfs
exec_cmd(chmod_cmd)
def do_prepare_partition(cls, part, source_params, image_creator,
image_creator_workdir, oe_builddir, bootimg_dir,
kernel_dir, krootfs_dir, native_sysroot):
"""
Creates partition out of rootfs directory
Prepare content for a rootfs partition i.e. create a partition
and fill it from a /rootfs dir.
Install syslinux bootloader into root partition image file
"""
def is_exe(exepath):
"""Verify exepath is an executable file"""
return os.path.isfile(exepath) and os.access(exepath, os.X_OK)
# Make sure syslinux-nomtools is available in native sysroot or fail
native_syslinux_nomtools = os.path.join(native_sysroot,
"usr/bin/syslinux-nomtools")
if not is_exe(native_syslinux_nomtools):
msger.info("building syslinux-native...")
exec_cmd("bitbake syslinux-native")
if not is_exe(native_syslinux_nomtools):
msger.error("Couldn't find syslinux-nomtools (%s), exiting\n" %
native_syslinux_nomtools)
if part.rootfs is None:
if 'ROOTFS_DIR' not in krootfs_dir:
msger.error("Couldn't find --rootfs-dir, exiting")
rootfs_dir = krootfs_dir['ROOTFS_DIR']
else:
if part.rootfs in krootfs_dir:
rootfs_dir = krootfs_dir[part.rootfs]
elif part.rootfs:
rootfs_dir = part.rootfs
else:
msg = "Couldn't find --rootfs-dir=%s connection"
msg += " or it is not a valid path, exiting"
msger.error(msg % part.rootfs)
real_rootfs_dir = cls._get_rootfs_dir(rootfs_dir)
part.rootfs_dir = real_rootfs_dir
part.prepare_rootfs(image_creator_workdir, oe_builddir,
real_rootfs_dir, native_sysroot)
# install syslinux into rootfs partition
syslinux_cmd = "syslinux-nomtools -d /boot -i %s" % part.source_file
exec_native_cmd(syslinux_cmd, native_sysroot)
def prepare_empty_partition_ext(self, rootfs, oe_builddir):
"""
Prepare an empty ext2/3/4 partition.
"""
size = self.disk_size
with open(rootfs, 'w') as sparse:
os.ftruncate(sparse.fileno(), size * 1024)
extra_imagecmd = "-i 8192"
label_str = ""
if self.label:
label_str = "-L %s" % self.label
mkfs_cmd = "sudo mkfs.%s -F %s %s %s" % \
(self.fstype, extra_imagecmd, label_str, rootfs)
exec_cmd(mkfs_cmd)
def prepare_rootfs_msdos(self, rootfs, oe_builddir, rootfs_dir):
"""
Prepare content for a msdos/vfat rootfs partition.
"""
du_cmd = "sudo du -bks %s" % rootfs_dir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
rootfs_size = self.get_rootfs_size(blocks)
label_str = "-n boot"
if self.label:
label_str = "-n %s" % self.label
size_str = ""
if self.fstype == 'msdos':
size_str = "-F 16" # FAT 16
dosfs_cmd = "mkdosfs %s -S 512 %s -C %s %d" % (label_str, size_str,
rootfs, rootfs_size)
exec_cmd(dosfs_cmd)
mcopy_cmd = "env MTOOLS_SKIP_CHECK=1 mcopy -i %s -s %s/* ::/" % \
(rootfs, rootfs_dir)
exec_cmd(mcopy_cmd, True)
chmod_cmd = "chmod 644 %s" % rootfs
exec_cmd(chmod_cmd)
def prepare_rootfs(self, cr_workdir, oe_builddir, rootfs_dir,
native_sysroot):
"""
Prepare content for a rootfs partition i.e. create a partition
and fill it from a /rootfs dir.
Currently handles ext2/3/4, btrfs and vfat.
"""
p_prefix = os.environ.get("PSEUDO_PREFIX", "%s/usr" % native_sysroot)
p_localstatedir = os.environ.get("PSEUDO_LOCALSTATEDIR",
"%s/../pseudo" % rootfs_dir)
p_passwd = os.environ.get("PSEUDO_PASSWD", rootfs_dir)
p_nosymlinkexp = os.environ.get("PSEUDO_NOSYMLINKEXP", "1")
pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % p_localstatedir
pseudo += "export PSEUDO_PASSWD=%s;" % p_passwd
pseudo += "export PSEUDO_NOSYMLINKEXP=%s;" % p_nosymlinkexp
pseudo += "%s " % get_bitbake_var("FAKEROOTCMD")
rootfs = "%s/rootfs_%s.%s.%s" % (cr_workdir, self.label, self.lineno,
self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
if not self.fstype:
raise WicError("File system for partition %s not specified in "
"kickstart, use --fstype option" % self.mountpoint)
# Get rootfs size from bitbake variable if it's not set in .ks file
if not self.size:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE')
if rsize_bb:
logger.warning(
'overhead-factor was specified, but size was not,'
' so bitbake variables will be used for the size.'
' In this case both IMAGE_OVERHEAD_FACTOR and '
'--overhead-factor will be applied')
self.size = int(round(float(rsize_bb)))
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self, "prepare_rootfs_" + prefix)
method(rootfs, oe_builddir, rootfs_dir, native_sysroot, pseudo)
self.source_file = rootfs
# get the rootfs size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % rootfs
out = exec_cmd(du_cmd)
self.size = int(out.split()[0])
break
def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir):
"""
Called before do_prepare_partition(), creates loader-specific config
"""
isodir = "%s/ISO/" % cr_workdir
if os.path.exists(cr_workdir):
shutil.rmtree(cr_workdir)
install_cmd = "install -d %s " % isodir
exec_cmd(install_cmd)
# Overwrite the name of the created image
logger.debug(source_params)
if 'image_name' in source_params and \
source_params['image_name'].strip():
creator.name = source_params['image_name'].strip()
logger.debug("The name of the image is: %s", creator.name)
def prepare_rootfs(self, cr_workdir, oe_builddir, rootfs_dir,
native_sysroot):
"""
Prepare content for a rootfs partition i.e. create a partition
and fill it from a /rootfs dir.
Currently handles ext2/3/4, btrfs and vfat.
"""
p_prefix = os.environ.get("PSEUDO_PREFIX", "%s/usr" % native_sysroot)
p_localstatedir = os.environ.get("PSEUDO_LOCALSTATEDIR",
"%s/../pseudo" % rootfs_dir)
p_passwd = os.environ.get("PSEUDO_PASSWD", rootfs_dir)
p_nosymlinkexp = os.environ.get("PSEUDO_NOSYMLINKEXP", "1")
pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % p_localstatedir
pseudo += "export PSEUDO_PASSWD=%s;" % p_passwd
pseudo += "export PSEUDO_NOSYMLINKEXP=%s;" % p_nosymlinkexp
pseudo += "%s " % get_bitbake_var("FAKEROOTCMD")
rootfs = "%s/rootfs_%s.%s.%s" % (cr_workdir, self.label,
self.lineno, self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
if not self.fstype:
raise WicError("File system for partition %s not specified in "
"kickstart, use --fstype option" % self.mountpoint)
# Get rootfs size from bitbake variable if it's not set in .ks file
if not self.size:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE')
if rsize_bb:
logger.warning('overhead-factor was specified, but size was not,'
' so bitbake variables will be used for the size.'
' In this case both IMAGE_OVERHEAD_FACTOR and '
'--overhead-factor will be applied')
self.size = int(round(float(rsize_bb)))
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self, "prepare_rootfs_" + prefix)
method(rootfs, oe_builddir, rootfs_dir, native_sysroot, pseudo)
self.source_file = rootfs
# get the rootfs size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % rootfs
out = exec_cmd(du_cmd)
self.size = int(out.split()[0])
break
def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(), creates loader-specific config
"""
isodir = "%s/ISO/" % cr_workdir
if os.path.exists(cr_workdir):
shutil.rmtree(cr_workdir)
install_cmd = "install -d %s " % isodir
exec_cmd(install_cmd)
# Overwrite the name of the created image
logger.debug(source_params)
if 'image_name' in source_params and \
source_params['image_name'].strip():
creator.name = source_params['image_name'].strip()
logger.debug("The name of the image is: %s", creator.name)
def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(), creates loader-specific config
"""
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -d %s/EFI/BOOT" % hdddir
exec_cmd(install_cmd)
try:
if source_params['loader'] == 'grub-efi':
cls.do_configure_grubefi(creator, cr_workdir)
elif source_params['loader'] == 'systemd-boot':
cls.do_configure_systemdboot(hdddir, creator, cr_workdir, source_params)
else:
raise WicError("unrecognized bootimg-efi-isar loader: %s" % source_params['loader'])
except KeyError:
raise WicError("bootimg-efi-isar requires a loader, none specified")
def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(), creates loader-specific config
"""
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -d %s/EFI/BOOT" % hdddir
exec_cmd(install_cmd)
try:
if source_params['loader'] == 'grub-efi':
cls.do_configure_grubefi(creator, cr_workdir)
elif source_params['loader'] == 'systemd-boot':
cls.do_configure_systemdboot(hdddir, creator, cr_workdir, source_params)
else:
msger.error("unrecognized bootimg-efi loader: %s" % source_params['loader'])
except KeyError:
msger.error("bootimg-efi requires a loader, none specified")
def prepare_empty_partition_msdos(self, rootfs, oe_builddir):
"""
Prepare an empty vfat partition.
"""
blocks = self.disk_size
label_str = "-n boot"
if self.label:
label_str = "-n %s" % self.label
size_str = ""
if self.fstype == 'msdos':
size_str = "-F 16" # FAT 16
dosfs_cmd = "mkdosfs %s -S 512 %s -C %s %d" % (label_str, size_str,
rootfs, blocks)
exec_cmd(dosfs_cmd)
chmod_cmd = "chmod 644 %s" % rootfs
exec_cmd(chmod_cmd)
def prepare_rootfs_from_fs_image(self, cr_workdir, oe_builddir,
rootfs_dir):
"""
Handle an already-created partition e.g. xxx.ext3
"""
rootfs = oe_builddir
du_cmd = "du -Lbks %s" % rootfs
out = exec_cmd(du_cmd)
rootfs_size = out.split()[0]
self.size = int(rootfs_size)
self.source_file = rootfs
def partitions(self):
if self._partitions is None:
self._partitions = OrderedDict()
out = exec_cmd("%s -sm %s unit B print" % (self.parted, self.imagepath))
parttype = namedtuple("Part", "pnum start end size fstype")
for line in out.splitlines()[2:]:
pnum, start, end, size, fstype = line.split(':')[:5]
partition = parttype(pnum, int(start[:-1]), int(end[:-1]),
int(size[:-1]), fstype)
self._partitions[pnum] = partition
return self._partitions
def prepare_empty_partition_msdos(self, rootfs, oe_builddir,
native_sysroot):
"""
Prepare an empty vfat partition.
"""
blocks = self.disk_size
label_str = "-n boot"
if self.label:
label_str = "-n %s" % self.label
size_str = ""
if self.fstype == 'msdos':
size_str = "-F 16" # FAT 16
dosfs_cmd = "mkdosfs %s -S 512 %s -C %s %d" % (label_str, size_str,
rootfs, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % rootfs
exec_cmd(chmod_cmd)
def prepare_rootfs_from_fs_image(self, cr_workdir, oe_builddir,
rootfs_dir):
"""
Handle an already-created partition e.g. xxx.ext3
"""
rootfs = oe_builddir
du_cmd = "du -Lbks %s" % rootfs
out = exec_cmd(du_cmd)
rootfs_size = out.split()[0]
self.size = int(rootfs_size)
self.source_file = rootfs
def prepare_rootfs_btrfs(self, rootfs, oe_builddir, rootfs_dir):
"""
Prepare content for a btrfs rootfs partition.
Currently handles ext2/3/4 and btrfs.
"""
du_cmd = "sudo du -ks %s" % rootfs_dir
out = exec_cmd(du_cmd)
actual_rootfs_size = int(out.split()[0])
rootfs_size = self.get_rootfs_size(actual_rootfs_size)
with open(rootfs, 'w') as sparse:
os.ftruncate(sparse.fileno(), rootfs_size * 1024)
label_str = ""
if self.label:
label_str = "-L %s" % self.label
mkfs_cmd = "sudo mkfs.%s -b %d -r %s %s %s" % \
(self.fstype, rootfs_size * 1024, rootfs_dir, label_str, rootfs)
exec_cmd(mkfs_cmd)
def prepare_rootfs_vfat(self, rootfs, oe_builddir, rootfs_dir,
native_sysroot, pseudo):
"""
Prepare content for a vfat rootfs partition.
"""
du_cmd = "du -bks %s" % rootfs_dir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
rootfs_size = self.get_rootfs_size(blocks)
label_str = "-n boot"
if self.label:
label_str = "-n %s" % self.label
dosfs_cmd = "mkdosfs %s -S 512 -C %s %d" % (label_str, rootfs, rootfs_size)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (rootfs, rootfs_dir)
exec_native_cmd(mcopy_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % rootfs
exec_cmd(chmod_cmd)
def _create_partition(self, device, parttype, fstype, start, size):
""" Create a partition on an image described by the 'device' object. """
# Start is included to the size so we need to substract one from the end.
end = start + size - 1
logger.debug("Added '%s' partition, sectors %d-%d, size %d sectors",
parttype, start, end, size)
cmd = "parted -s %s unit s mkpart %s" % (device, parttype)
if fstype:
cmd += " %s" % fstype
cmd += " %d %d" % (start, end)
return exec_cmd(cmd)
def do_install_disk(cls, disk, disk_name, creator, workdir, oe_builddir,
bootimg_dir, kernel_dir):
"""
Called after all partitions have been prepared and assembled into a
disk image. In this case, we insert/modify the MBR using isohybrid
utility for booting via BIOS from disk storage devices.
"""
iso_img = "%s.p1" % disk.path
full_path = creator._full_path(workdir, disk_name, "direct")
full_path_iso = creator._full_path(workdir, disk_name, "iso")
isohybrid_cmd = "isohybrid -u %s" % iso_img
logger.debug("running command: %s", isohybrid_cmd)
exec_cmd(isohybrid_cmd)
# Replace the image created by direct plugin with the one created by
# mkisofs command. This is necessary because the iso image created by
# mkisofs has a very specific MBR is system area of the ISO image, and
# direct plugin adds and configures an another MBR.
logger.debug("Replaceing the image created by direct plugin\n")
os.remove(disk.path)
shutil.copy2(iso_img, full_path_iso)
shutil.copy2(full_path_iso, full_path)
def prepare_rootfs_btrfs(self, rootfs, oe_builddir, rootfs_dir,
native_sysroot, pseudo):
"""
Prepare content for a btrfs rootfs partition.
Currently handles ext2/3/4 and btrfs.
"""
du_cmd = "du -ks %s" % rootfs_dir
out = exec_cmd(du_cmd)
actual_rootfs_size = int(out.split()[0])
rootfs_size = self.get_rootfs_size(actual_rootfs_size)
with open(rootfs, 'w') as sparse:
os.ftruncate(sparse.fileno(), rootfs_size * 1024)
label_str = ""
if self.label:
label_str = "-L %s" % self.label
mkfs_cmd = "mkfs.%s -b %d -r %s %s %s" % \
(self.fstype, rootfs_size * 1024, rootfs_dir, label_str, rootfs)
exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
def prepare_rootfs_ext(self, rootfs, oe_builddir, rootfs_dir,
native_sysroot, pseudo):
"""
Prepare content for an ext2/3/4 rootfs partition.
"""
du_cmd = "du -ks %s" % rootfs_dir
out = exec_cmd(du_cmd)
actual_rootfs_size = int(out.split()[0])
rootfs_size = self.get_rootfs_size(actual_rootfs_size)
with open(rootfs, 'w') as sparse:
os.ftruncate(sparse.fileno(), rootfs_size * 1024)
extra_imagecmd = "-i 8192"
label_str = ""
if self.label:
label_str = "-L %s" % self.label
mkfs_cmd = "mkfs.%s -F %s %s %s -d %s" % \
(self.fstype, extra_imagecmd, rootfs, label_str, rootfs_dir)
exec_native_cmd(mkfs_cmd, native_sysroot, pseudo=pseudo)
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
"""
if not bootimg_dir:
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
msger.debug('Bootimg dir: %s' % bootimg_dir)
if 'file' not in source_params:
msger.error("No file specified\n")
return
src = os.path.join(bootimg_dir, source_params['file'])
dst = os.path.join(cr_workdir,
"%s.%s" % (source_params['file'], part.lineno))
if 'skip' in source_params:
sparse_copy(src, dst, skip=source_params['skip'])
else:
sparse_copy(src, dst)
# get the size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % dst
out = exec_cmd(du_cmd)
filesize = int(out.split()[0])
if filesize > part.size:
part.size = filesize
part.source_file = dst
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for legacy bios boot partition.
"""
syslinux_dir = cls._get_syslinux_dir(bootimg_dir)
staging_kernel_dir = kernel_dir
kernel = get_bitbake_var("KERNEL_IMAGE")
initrd = get_bitbake_var("INITRD_IMAGE")
hdddir = "%s/hdd/boot" % cr_workdir
cmds = ("install -m 0644 %s/%s %s/%s" %
(staging_kernel_dir, kernel, hdddir, kernel),
"install -m 0644 %s/%s %s/%s" %
(staging_kernel_dir, initrd, hdddir, initrd),
"install -m 444 %s/modules/bios/ldlinux.c32 %s/ldlinux.c32" %
(syslinux_dir, hdddir),
"install -m 0644 %s/modules/bios/vesamenu.c32 %s/vesamenu.c32" %
(syslinux_dir, hdddir),
"install -m 444 %s/modules/bios/libcom32.c32 %s/libcom32.c32" %
(syslinux_dir, hdddir),
"install -m 444 %s/modules/bios/libutil.c32 %s/libutil.c32" %
(syslinux_dir, hdddir))
for install_cmd in cmds:
exec_cmd(install_cmd)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_cmd(mcopy_cmd, native_sysroot)
syslinux_cmd = "syslinux %s" % bootimg
exec_native_cmd(syslinux_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
krootfs_dir, native_sysroot):
# Prologue from RootfsPlugin.do_prepare_partition, retrieves the
# rootfs directory
if part.rootfs_dir is None:
if not 'ROOTFS_DIR' in krootfs_dir:
raise WicError("Couldn't find --rootfs-dir, exiting")
rootfs_dir = krootfs_dir['ROOTFS_DIR']
else:
if part.rootfs_dir in krootfs_dir:
rootfs_dir = krootfs_dir[part.rootfs_dir]
elif part.rootfs_dir:
rootfs_dir = part.rootfs_dir
else:
raise WicError("Couldn't find --rootfs-dir=%s connection or "
"it is not a valid path, exiting" % part.rootfs_dir)
if os.path.isdir(rootfs_dir):
real_rootfs_dir = rootfs_dir
else:
image_rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", rootfs_dir)
if not os.path.isdir(image_rootfs_dir):
raise WicError("No valid artifact IMAGE_ROOTFS from image "
"named %s has been found at %s, exiting." %
(rootfs_dir, image_rootfs_dir))
real_rootfs_dir = image_rootfs_dir
u_boot_script = os.path.join(real_rootfs_dir,
"etc/default/u-boot-script")
if not os.path.exists(u_boot_script):
raise WicError("u-boot-scripts package not installed")
# Write new /etc/default/u-boot-script
with open(u_boot_script, 'w') as cfg:
cfg.write('# Generated by wic, rootfs-u-boot plugin\n')
cfg.write('ROOT_PARTITION="%d"\n' % part.realnum)
cfg.write('KERNEL_ARGS="root=%s %s"\n' % \
(cr.rootdev, cr.ks.bootloader.append or ""))
no_initrd = source_params.get('no_initrd') or ''
cfg.write('NO_INITRD="%s"\n' % no_initrd)
overlays = source_params.get('overlays') or ''
cfg.write('OVERLAYS="%s"\n' % overlays)
script_prepend = source_params.get('script_prepend') or ''
cfg.write('SCRIPT_PREPEND="%s"\n' % script_prepend)
# Run update-u-boot-script in the target rootfs
results = glob.glob(os.path.join("/usr/bin/qemu-*-static"))
qemu_static = results[0] if len(results) > 0 else None
if qemu_static:
cp_cmd = "cp -L %s %s/usr/bin" % (qemu_static, real_rootfs_dir)
exec_cmd(cp_cmd)
update_cmd = "chroot %s sh -c update-u-boot-script" % real_rootfs_dir
exec_cmd(update_cmd)
if qemu_static:
rm_cmd = "rm -f %s/usr/bin/%s" % (real_rootfs_dir, qemu_static)
exec_cmd(rm_cmd)
RootfsPlugin.do_prepare_partition(part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
krootfs_dir, native_sysroot)
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for a bootable ISO image.
"""
isodir = "%s/ISO" % cr_workdir
if part.rootfs_dir is None:
if not 'ROOTFS_DIR' in rootfs_dir:
raise WicError("Couldn't find --rootfs-dir, exiting.")
rootfs_dir = rootfs_dir['ROOTFS_DIR']
else:
if part.rootfs_dir in rootfs_dir:
rootfs_dir = rootfs_dir[part.rootfs_dir]
elif part.rootfs_dir:
rootfs_dir = part.rootfs_dir
else:
raise WicError("Couldn't find --rootfs-dir=%s connection "
"or it is not a valid path, exiting." %
part.rootfs_dir)
if not os.path.isdir(rootfs_dir):
rootfs_dir = get_bitbake_var("IMAGE_ROOTFS")
if not os.path.isdir(rootfs_dir):
raise WicError("Couldn't find IMAGE_ROOTFS, exiting.")
part.rootfs_dir = rootfs_dir
# Prepare rootfs.img
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
img_iso_dir = get_bitbake_var("ISODIR")
rootfs_img = "%s/rootfs.img" % img_iso_dir
if not os.path.isfile(rootfs_img):
# check if rootfs.img is in deploydir
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
image_name = get_bitbake_var("IMAGE_LINK_NAME")
rootfs_img = "%s/%s.%s" \
% (deploy_dir, image_name, part.fstype)
if not os.path.isfile(rootfs_img):
# create image file with type specified by --fstype
# which contains rootfs
du_cmd = "du -bks %s" % rootfs_dir
out = exec_cmd(du_cmd)
part.size = int(out.split()[0])
part.extra_space = 0
part.overhead_factor = 1.2
part.prepare_rootfs(cr_workdir, oe_builddir, rootfs_dir)
rootfs_img = part.source_file
install_cmd = "install -m 0644 %s %s/rootfs.img" \
% (rootfs_img, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by part.prepare_rootfs()
if os.path.isfile(part.source_file):
os.remove(part.source_file)
# Support using a different initrd other than default
if source_params.get('initrd'):
initrd = source_params['initrd']
if not deploy_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
cp_cmd = "cp %s/%s %s" % (deploy_dir, initrd, cr_workdir)
exec_cmd(cp_cmd)
else:
# Prepare initial ramdisk
initrd = "%s/initrd" % deploy_dir
if not os.path.isfile(initrd):
initrd = "%s/initrd" % img_iso_dir
if not os.path.isfile(initrd):
initrd = cls._build_initramfs_path(rootfs_dir, cr_workdir)
install_cmd = "install -m 0644 %s %s/initrd" % (initrd, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by _build_initramfs_path function
if os.path.isfile("%s/initrd.cpio.gz" % cr_workdir):
os.remove("%s/initrd.cpio.gz" % cr_workdir)
# Install bzImage
install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
(kernel_dir, isodir)
exec_cmd(install_cmd)
#Create bootloader for efi boot
try:
if source_params['loader'] == 'grub-efi':
# Builds grub.cfg if ISODIR didn't exist or
# didn't contains grub.cfg
bootimg_dir = img_iso_dir
if not os.path.exists("%s/EFI/BOOT" % bootimg_dir):
bootimg_dir = "%s/bootimg" % cr_workdir
if os.path.exists(bootimg_dir):
shutil.rmtree(bootimg_dir)
install_cmd = "install -d %s/EFI/BOOT" % bootimg_dir
exec_cmd(install_cmd)
if not os.path.isfile("%s/EFI/BOOT/boot.cfg" % bootimg_dir):
cls.do_configure_grubefi(part, creator, bootimg_dir)
# Builds bootx64.efi/bootia32.efi if ISODIR didn't exist or
# didn't contains it
target_arch = get_bitbake_var("TARGET_SYS")
if not target_arch:
raise WicError("Coludn't find target architecture")
if re.match("x86_64", target_arch):
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
elif re.match('i.86', target_arch):
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
else:
raise WicError("grub-efi is incompatible with target %s" %
target_arch)
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
grub_path = get_bitbake_var("STAGING_LIBDIR", "wic-tools")
if not grub_path:
raise WicError(
"Couldn't find STAGING_LIBDIR, exiting.")
grub_core = "%s/grub/%s" % (grub_path, grub_target)
if not os.path.exists(grub_core):
raise WicError("Please build grub-efi first")
grub_cmd = "grub-mkimage -p '/EFI/BOOT' "
grub_cmd += "-d %s " % grub_core
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux multiboot "
grub_cmd += "search efi_gop efi_uga font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test iorw loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs ata "
exec_cmd(grub_cmd)
else:
raise WicError("unrecognized bootimg-efi loader: %s" %
source_params['loader'])
except KeyError:
raise WicError("bootimg-efi requires a loader, none specified")
if os.path.exists("%s/EFI/BOOT" % isodir):
shutil.rmtree("%s/EFI/BOOT" % isodir)
shutil.copytree(bootimg_dir + "/EFI/BOOT", isodir + "/EFI/BOOT")
# If exists, remove cr_workdir/bootimg temporary folder
if os.path.exists("%s/bootimg" % cr_workdir):
shutil.rmtree("%s/bootimg" % cr_workdir)
# Create efi.img that contains bootloader files for EFI booting
# if ISODIR didn't exist or didn't contains it
if os.path.isfile("%s/efi.img" % img_iso_dir):
install_cmd = "install -m 0644 %s/efi.img %s/efi.img" % \
(img_iso_dir, isodir)
exec_cmd(install_cmd)
else:
du_cmd = "du -bks %s/EFI" % isodir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
# Add some extra space for file system overhead
blocks += 100
logger.debug(
"Added 100 extra blocks to %s to get to %d "
"total blocks", part.mountpoint, blocks)
# dosfs image for EFI boot
bootimg = "%s/efi.img" % isodir
dosfs_cmd = 'mkfs.vfat -n "EFIimg" -S 512 -C %s %d' \
% (bootimg, blocks)
exec_cmd(dosfs_cmd)
mmd_cmd = "mmd -i %s ::/EFI" % bootimg
exec_cmd(mmd_cmd)
mcopy_cmd = "env MTOOLS_SKIP_CHECK=1 " \
"mcopy -i %s -s %s/EFI/* ::/EFI/" \
% (bootimg, isodir)
exec_cmd(mcopy_cmd, True)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
# Prepare files for legacy boot
syslinux_dir = get_bitbake_var("STAGING_DATADIR", "wic-tools")
if not syslinux_dir:
raise WicError("Couldn't find STAGING_DATADIR, exiting.")
if os.path.exists("%s/isolinux" % isodir):
shutil.rmtree("%s/isolinux" % isodir)
install_cmd = "install -d %s/isolinux" % isodir
exec_cmd(install_cmd)
cls.do_configure_syslinux(creator, cr_workdir)
install_cmd = "install -m 444 %s/syslinux/ldlinux.sys " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.sys" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 444 %s/syslinux/isohdpfx.bin " % syslinux_dir
install_cmd += "%s/isolinux/isohdpfx.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/isolinux.bin " % syslinux_dir
install_cmd += "%s/isolinux/isolinux.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/ldlinux.c32 " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.c32" % isodir
exec_cmd(install_cmd)
#create ISO image
iso_img = "%s/tempiso_img.iso" % cr_workdir
iso_bootimg = "isolinux/isolinux.bin"
iso_bootcat = "isolinux/boot.cat"
efi_img = "efi.img"
mkisofs_cmd = "mkisofs -V %s " % part.label
mkisofs_cmd += "-o %s -U " % iso_img
mkisofs_cmd += "-J -joliet-long -r -iso-level 2 -b %s " % iso_bootimg
mkisofs_cmd += "-c %s -no-emul-boot -boot-load-size 4 " % iso_bootcat
mkisofs_cmd += "-boot-info-table -eltorito-alt-boot "
mkisofs_cmd += "-eltorito-platform 0xEF -eltorito-boot %s " % efi_img
mkisofs_cmd += "-no-emul-boot %s " % isodir
logger.debug("running command: %s", mkisofs_cmd)
exec_cmd(mkisofs_cmd)
shutil.rmtree(isodir)
du_cmd = "du -Lbks %s" % iso_img
out = exec_cmd(du_cmd)
isoimg_size = int(out.split()[0])
part.size = isoimg_size
part.source_file = iso_img
def dir(self, pnum, path):
return exec_cmd("{} -i {} ::{}".format(self.mdir,
self._get_part_image(pnum),
path))
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for legacy bios boot partition.
"""
bootimg_dir = cls._get_bootimg_dir(bootimg_dir, 'syslinux')
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
cmds = ("install -m 0644 %s/bzImage %s/vmlinuz" %
(staging_kernel_dir, hdddir),
"install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" %
(bootimg_dir, hdddir),
"install -m 0644 %s/syslinux/vesamenu.c32 %s/vesamenu.c32" %
(bootimg_dir, hdddir),
"install -m 444 %s/syslinux/libcom32.c32 %s/libcom32.c32" %
(bootimg_dir, hdddir),
"install -m 444 %s/syslinux/libutil.c32 %s/libutil.c32" %
(bootimg_dir, hdddir))
for install_cmd in cmds:
exec_cmd(install_cmd)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_native_cmd(mcopy_cmd, native_sysroot)
syslinux_cmd = "syslinux %s" % bootimg
exec_native_cmd(syslinux_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def create(self):
logger.debug("Creating sparse file %s", self.path)
with open(self.path, 'w') as sparse:
os.ftruncate(sparse.fileno(), self.min_size)
logger.debug("Initializing partition table for %s", self.path)
exec_cmd("parted -s %s mklabel %s" % (self.path, self.ptable_format))
logger.debug("Set disk identifier %x", self.identifier)
with open(self.path, 'r+b') as img:
img.seek(0x1B8)
img.write(self.identifier.to_bytes(4, 'little'))
logger.debug("Creating partitions")
for part in self.partitions:
if part.num == 0:
continue
if self.ptable_format == "msdos" and part.num == 5:
# Create an extended partition (note: extended
# partition is described in MBR and contains all
# logical partitions). The logical partitions save a
# sector for an EBR just before the start of a
# partition. The extended partition must start one
# sector before the start of the first logical
# partition. This way the first EBR is inside of the
# extended partition. Since the extended partitions
# starts a sector before the first logical partition,
# add a sector at the back, so that there is enough
# room for all logical partitions.
self._create_partition(self.path, "extended", None,
part.start - 1,
self.offset - part.start + 1)
if part.fstype == "swap":
parted_fs_type = "linux-swap"
elif part.fstype == "vfat":
parted_fs_type = "fat32"
elif part.fstype == "msdos":
parted_fs_type = "fat16"
if not part.system_id:
part.system_id = '0x6' # FAT16
else:
# Type for ext2/ext3/ext4/btrfs
parted_fs_type = "ext2"
# Boot ROM of OMAP boards require vfat boot partition to have an
# even number of sectors.
if part.mountpoint == "/boot" and part.fstype in ["vfat", "msdos"] \
and part.size_sec % 2:
logger.debug(
"Subtracting one sector from '%s' partition to "
"get even number of sectors for the partition",
part.mountpoint)
part.size_sec -= 1
self._create_partition(self.path, part.type, parted_fs_type,
part.start, part.size_sec)
if part.part_type:
logger.debug("partition %d: set type UID to %s", part.num,
part.part_type)
exec_cmd("sgdisk --typecode=%d:%s %s" % \
(part.num, part.part_type, self.path))
if part.uuid and self.ptable_format == "gpt":
logger.debug("partition %d: set UUID to %s", part.num,
part.uuid)
exec_cmd("sgdisk --partition-guid=%d:%s %s" % \
(part.num, part.uuid, self.path))
if part.label and self.ptable_format == "gpt":
logger.debug("partition %d: set name to %s", part.num,
part.label)
exec_cmd("parted -s %s name %d %s" % \
(self.path, part.num, part.label))
if part.active:
flag_name = "legacy_boot" if self.ptable_format == 'gpt' else "boot"
logger.debug("Set '%s' flag for partition '%s' on disk '%s'",
flag_name, part.num, self.path)
exec_cmd("parted -s %s set %d %s on" % \
(self.path, part.num, flag_name))
if part.system_id:
exec_cmd("sfdisk --part-type %s %s %s" % \
(self.path, part.num, part.system_id))
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for an EFI (grub) boot partition.
"""
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
try:
if source_params['loader'] == 'grub-efi':
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
"%s/grub.cfg" % cr_workdir)
shutil.copyfile(
"%s/hdd/boot/EFI/BOOT/grub-mkimage.cfg" % cr_workdir,
"%s/grub-mkimage.cfg" % cr_workdir)
for mod in [
x for x in os.listdir(kernel_dir)
if x.startswith("grub-efi-")
]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod,
hdddir, mod[9:])
exec_cmd(cp_cmd, True)
shutil.move("%s/grub.cfg" % cr_workdir,
"%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
distro_arch = get_bitbake_var("DISTRO_ARCH")
if not distro_arch:
raise WicError("Couldn't find target architecture")
if distro_arch == "amd64":
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
elif distro_arch == "i386":
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
else:
raise WicError("grub-efi is incompatible with target %s" %
distro_arch)
bootimg_dir = "%s/hdd/boot" % cr_workdir
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
# TODO: check that grub-mkimage is available
grub_cmd = "grub-mkimage -p /EFI/BOOT "
grub_cmd += "-c %s/grub-mkimage.cfg " % cr_workdir
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux multiboot "
grub_cmd += "search efi_gop efi_uga font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test iorw loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs ata "
exec_cmd(grub_cmd)
elif source_params['loader'] == 'systemd-boot':
for mod in [
x for x in os.listdir(kernel_dir)
if x.startswith("systemd-")
]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod,
hdddir, mod[8:])
exec_cmd(cp_cmd, True)
else:
raise WicError("unrecognized bootimg-efi-isar loader: %s" %
source_params['loader'])
except KeyError:
raise WicError(
"bootimg-efi-isar requires a loader, none specified")
startup = os.path.join(kernel_dir, "startup.nsh")
if os.path.exists(startup):
cp_cmd = "cp %s %s/" % (startup, hdddir)
exec_cmd(cp_cmd, True)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
exec_cmd(dosfs_cmd)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_cmd(mcopy_cmd, True)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for a bootable ISO image.
"""
isodir = "%s/ISO" % cr_workdir
if part.rootfs_dir is None:
if not 'ROOTFS_DIR' in rootfs_dir:
raise WicError("Couldn't find --rootfs-dir, exiting.")
rootfs_dir = rootfs_dir['ROOTFS_DIR']
else:
if part.rootfs_dir in rootfs_dir:
rootfs_dir = rootfs_dir[part.rootfs_dir]
elif part.rootfs_dir:
rootfs_dir = part.rootfs_dir
else:
raise WicError("Couldn't find --rootfs-dir=%s connection "
"or it is not a valid path, exiting." %
part.rootfs_dir)
if not os.path.isdir(rootfs_dir):
rootfs_dir = get_bitbake_var("IMAGE_ROOTFS")
if not os.path.isdir(rootfs_dir):
raise WicError("Couldn't find IMAGE_ROOTFS, exiting.")
part.rootfs_dir = rootfs_dir
# Prepare rootfs.img
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
img_iso_dir = get_bitbake_var("ISODIR")
rootfs_img = "%s/rootfs.img" % img_iso_dir
if not os.path.isfile(rootfs_img):
# check if rootfs.img is in deploydir
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
image_name = get_bitbake_var("IMAGE_LINK_NAME")
rootfs_img = "%s/%s.%s" \
% (deploy_dir, image_name, part.fstype)
if not os.path.isfile(rootfs_img):
# create image file with type specified by --fstype
# which contains rootfs
du_cmd = "du -bks %s" % rootfs_dir
out = exec_cmd(du_cmd)
part.size = int(out.split()[0])
part.extra_space = 0
part.overhead_factor = 1.2
part.prepare_rootfs(cr_workdir, oe_builddir, rootfs_dir, \
native_sysroot)
rootfs_img = part.source_file
install_cmd = "install -m 0644 %s %s/rootfs.img" \
% (rootfs_img, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by part.prepare_rootfs()
if os.path.isfile(part.source_file):
os.remove(part.source_file)
# Support using a different initrd other than default
if source_params.get('initrd'):
initrd = source_params['initrd']
if not deploy_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
cp_cmd = "cp %s/%s %s" % (deploy_dir, initrd, cr_workdir)
exec_cmd(cp_cmd)
else:
# Prepare initial ramdisk
initrd = "%s/initrd" % deploy_dir
if not os.path.isfile(initrd):
initrd = "%s/initrd" % img_iso_dir
if not os.path.isfile(initrd):
initrd = cls._build_initramfs_path(rootfs_dir, cr_workdir)
install_cmd = "install -m 0644 %s %s/initrd" % (initrd, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by _build_initramfs_path function
if os.path.isfile("%s/initrd.cpio.gz" % cr_workdir):
os.remove("%s/initrd.cpio.gz" % cr_workdir)
# Install bzImage
install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
(kernel_dir, isodir)
exec_cmd(install_cmd)
#Create bootloader for efi boot
try:
if source_params['loader'] == 'grub-efi':
# Builds grub.cfg if ISODIR didn't exist or
# didn't contains grub.cfg
bootimg_dir = img_iso_dir
if not os.path.exists("%s/EFI/BOOT" % bootimg_dir):
bootimg_dir = "%s/bootimg" % cr_workdir
if os.path.exists(bootimg_dir):
shutil.rmtree(bootimg_dir)
install_cmd = "install -d %s/EFI/BOOT" % bootimg_dir
exec_cmd(install_cmd)
if not os.path.isfile("%s/EFI/BOOT/boot.cfg" % bootimg_dir):
cls.do_configure_grubefi(part, creator, bootimg_dir)
# Builds bootx64.efi/bootia32.efi if ISODIR didn't exist or
# didn't contains it
target_arch = get_bitbake_var("TARGET_SYS")
if not target_arch:
raise WicError("Coludn't find target architecture")
if re.match("x86_64", target_arch):
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
elif re.match('i.86', target_arch):
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
else:
raise WicError("grub-efi is incompatible with target %s" %
target_arch)
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
grub_path = get_bitbake_var("STAGING_LIBDIR", "wic-tools")
if not grub_path:
raise WicError("Couldn't find STAGING_LIBDIR, exiting.")
grub_core = "%s/grub/%s" % (grub_path, grub_target)
if not os.path.exists(grub_core):
raise WicError("Please build grub-efi first")
grub_cmd = "grub-mkimage -p '/EFI/BOOT' "
grub_cmd += "-d %s " % grub_core
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux multiboot "
grub_cmd += "search efi_gop efi_uga font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test iorw loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs ata "
exec_native_cmd(grub_cmd, native_sysroot)
else:
raise WicError("unrecognized bootimg-efi loader: %s" %
source_params['loader'])
except KeyError:
raise WicError("bootimg-efi requires a loader, none specified")
if os.path.exists("%s/EFI/BOOT" % isodir):
shutil.rmtree("%s/EFI/BOOT" % isodir)
shutil.copytree(bootimg_dir+"/EFI/BOOT", isodir+"/EFI/BOOT")
# If exists, remove cr_workdir/bootimg temporary folder
if os.path.exists("%s/bootimg" % cr_workdir):
shutil.rmtree("%s/bootimg" % cr_workdir)
# Create efi.img that contains bootloader files for EFI booting
# if ISODIR didn't exist or didn't contains it
if os.path.isfile("%s/efi.img" % img_iso_dir):
install_cmd = "install -m 0644 %s/efi.img %s/efi.img" % \
(img_iso_dir, isodir)
exec_cmd(install_cmd)
else:
du_cmd = "du -bks %s/EFI" % isodir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
# Add some extra space for file system overhead
blocks += 100
logger.debug("Added 100 extra blocks to %s to get to %d "
"total blocks", part.mountpoint, blocks)
# dosfs image for EFI boot
bootimg = "%s/efi.img" % isodir
dosfs_cmd = 'mkfs.vfat -n "EFIimg" -S 512 -C %s %d' \
% (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mmd_cmd = "mmd -i %s ::/EFI" % bootimg
exec_native_cmd(mmd_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/EFI/* ::/EFI/" \
% (bootimg, isodir)
exec_native_cmd(mcopy_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
# Prepare files for legacy boot
syslinux_dir = get_bitbake_var("STAGING_DATADIR", "wic-tools")
if not syslinux_dir:
raise WicError("Couldn't find STAGING_DATADIR, exiting.")
if os.path.exists("%s/isolinux" % isodir):
shutil.rmtree("%s/isolinux" % isodir)
install_cmd = "install -d %s/isolinux" % isodir
exec_cmd(install_cmd)
cls.do_configure_syslinux(creator, cr_workdir)
install_cmd = "install -m 444 %s/syslinux/ldlinux.sys " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.sys" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 444 %s/syslinux/isohdpfx.bin " % syslinux_dir
install_cmd += "%s/isolinux/isohdpfx.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/isolinux.bin " % syslinux_dir
install_cmd += "%s/isolinux/isolinux.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/ldlinux.c32 " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.c32" % isodir
exec_cmd(install_cmd)
#create ISO image
iso_img = "%s/tempiso_img.iso" % cr_workdir
iso_bootimg = "isolinux/isolinux.bin"
iso_bootcat = "isolinux/boot.cat"
efi_img = "efi.img"
mkisofs_cmd = "mkisofs -V %s " % part.label
mkisofs_cmd += "-o %s -U " % iso_img
mkisofs_cmd += "-J -joliet-long -r -iso-level 2 -b %s " % iso_bootimg
mkisofs_cmd += "-c %s -no-emul-boot -boot-load-size 4 " % iso_bootcat
mkisofs_cmd += "-boot-info-table -eltorito-alt-boot "
mkisofs_cmd += "-eltorito-platform 0xEF -eltorito-boot %s " % efi_img
mkisofs_cmd += "-no-emul-boot %s " % isodir
logger.debug("running command: %s", mkisofs_cmd)
exec_native_cmd(mkisofs_cmd, native_sysroot)
shutil.rmtree(isodir)
du_cmd = "du -Lbks %s" % iso_img
out = exec_cmd(du_cmd)
isoimg_size = int(out.split()[0])
part.size = isoimg_size
part.source_file = iso_img
def do_configure_systemdboot(cls, hdddir, creator, cr_workdir, source_params):
"""
Create loader-specific systemd-boot/gummiboot config
"""
install_cmd = "install -d %s/loader" % hdddir
exec_cmd(install_cmd)
install_cmd = "install -d %s/loader/entries" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
loader_conf = ""
loader_conf += "default boot\n"
loader_conf += "timeout %d\n" % bootloader.timeout
initrd = source_params.get('initrd')
if initrd:
# obviously we need to have a common common deploy var
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
cp_cmd = "cp %s/%s %s" % (bootimg_dir, initrd, hdddir)
exec_cmd(cp_cmd, True)
else:
logger.debug("Ignoring missing initrd")
logger.debug("Writing systemd-boot config "
"%s/hdd/boot/loader/loader.conf", cr_workdir)
cfg = open("%s/hdd/boot/loader/loader.conf" % cr_workdir, "w")
cfg.write(loader_conf)
cfg.close()
configfile = creator.ks.bootloader.configfile
custom_cfg = None
if configfile:
custom_cfg = get_custom_config(configfile)
if custom_cfg:
# Use a custom configuration for systemd-boot
boot_conf = custom_cfg
logger.debug("Using custom configuration file "
"%s for systemd-boots's boot.conf", configfile)
else:
raise WicError("configfile is specified but failed to "
"get it from %s.", configfile)
if not custom_cfg:
# Create systemd-boot configuration using parameters from wks file
kernel = "/vmlinuz"
boot_conf = ""
boot_conf += "title boot\n"
boot_conf += "linux %s\n" % kernel
boot_conf += "options LABEL=Boot root=%s %s\n" % \
(creator.rootdev, bootloader.append)
if initrd:
boot_conf += "initrd /%s\n" % initrd
logger.debug("Writing systemd-boot config "
"%s/hdd/boot/loader/entries/boot.conf", cr_workdir)
cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w")
cfg.write(boot_conf)
cfg.close()
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, does the following:
- sets up a vfat partition
- copies all files listed in IMAGE_BOOT_FILES variable
"""
hdddir = "%s/boot" % cr_workdir
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Kernel dir: %s', bootimg_dir)
boot_files = get_bitbake_var("IMAGE_BOOT_FILES")
if not boot_files:
raise WicError('No boot files defined, IMAGE_BOOT_FILES unset')
logger.debug('Boot files: %s', boot_files)
# list of tuples (src_name, dst_name)
deploy_files = []
for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files):
if ';' in src_entry:
dst_entry = tuple(src_entry.split(';'))
if not dst_entry[0] or not dst_entry[1]:
raise WicError('Malformed boot file entry: %s' % src_entry)
else:
dst_entry = (src_entry, src_entry)
logger.debug('Destination entry: %r', dst_entry)
deploy_files.append(dst_entry)
for deploy_entry in deploy_files:
src, dst = deploy_entry
install_task = []
if '*' in src:
# by default install files under their basename
entry_name_fn = os.path.basename
if dst != src:
# unless a target name was given, then treat name
# as a directory and append a basename
entry_name_fn = lambda name: \
os.path.join(dst,
os.path.basename(name))
srcs = glob(os.path.join(kernel_dir, src))
logger.debug('Globbed sources: %s', ', '.join(srcs))
for entry in srcs:
entry_dst_name = entry_name_fn(entry)
install_task.append(
(entry, os.path.join(hdddir, entry_dst_name)))
else:
install_task = [(os.path.join(kernel_dir,
src), os.path.join(hdddir, dst))]
for task in install_task:
src_path, dst_path = task
logger.debug('Install %s as %s', os.path.basename(src_path),
dst_path)
install_cmd = "install -m 0644 -D %s %s" \
% (src_path, dst_path)
exec_cmd(install_cmd)
logger.debug('Prepare boot partition using rootfs in %s', hdddir)
part.prepare_rootfs(cr_workdir, oe_builddir, hdddir, native_sysroot)
def do_configure_systemdboot(cls, hdddir, creator, cr_workdir, source_params):
"""
Create loader-specific systemd-boot/gummiboot config
"""
install_cmd = "install -d %s/loader" % hdddir
exec_cmd(install_cmd)
install_cmd = "install -d %s/loader/entries" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
loader_conf = ""
loader_conf += "default boot\n"
loader_conf += "timeout %d\n" % bootloader.timeout
initrd = source_params.get('initrd')
if initrd:
# obviously we need to have a common common deploy var
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
cp_cmd = "cp %s/%s %s" % (bootimg_dir, initrd, hdddir)
exec_cmd(cp_cmd, True)
else:
msger.debug("Ignoring missing initrd")
msger.debug("Writing systemd-boot config %s/hdd/boot/loader/loader.conf" \
% cr_workdir)
cfg = open("%s/hdd/boot/loader/loader.conf" % cr_workdir, "w")
cfg.write(loader_conf)
cfg.close()
configfile = creator.ks.bootloader.configfile
custom_cfg = None
if configfile:
custom_cfg = get_custom_config(configfile)
if custom_cfg:
# Use a custom configuration for systemd-boot
boot_conf = custom_cfg
msger.debug("Using custom configuration file "
"%s for systemd-boots's boot.conf" % configfile)
else:
msger.error("configfile is specified but failed to "
"get it from %s." % configfile)
if not custom_cfg:
# Create systemd-boot configuration using parameters from wks file
kernel = "/bzImage"
boot_conf = ""
boot_conf += "title boot\n"
boot_conf += "linux %s\n" % kernel
boot_conf += "options LABEL=Boot root=%s %s\n" % \
(creator.rootdev, bootloader.append)
if initrd:
boot_conf += "initrd /%s\n" % initrd
msger.debug("Writing systemd-boot config %s/hdd/boot/loader/entries/boot.conf" \
% cr_workdir)
cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w")
cfg.write(boot_conf)
cfg.close()
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for an EFI (grub) boot partition.
"""
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
try:
if source_params['loader'] == 'grub-efi':
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
"%s/grub.cfg" % cr_workdir)
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub-mkimage.cfg" % cr_workdir,
"%s/grub-mkimage.cfg" % cr_workdir)
for mod in [x for x in os.listdir(kernel_dir) if x.startswith("grub-efi-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod, hdddir, mod[9:])
exec_cmd(cp_cmd, True)
shutil.move("%s/grub.cfg" % cr_workdir,
"%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
distro_arch = get_bitbake_var("DISTRO_ARCH")
if not distro_arch:
raise WicError("Couldn't find target architecture")
if distro_arch == "amd64":
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
grub_modules = "multiboot efi_uga iorw ata "
elif distro_arch == "i386":
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
grub_modules = "multiboot efi_uga iorw ata "
elif distro_arch == "arm64":
grub_target = 'arm64-efi'
grub_image = "bootaa64.efi"
grub_modules = ""
else:
raise WicError("grub-efi is incompatible with target %s" %
distro_arch)
bootimg_dir = "%s/hdd/boot" % cr_workdir
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
# TODO: check that grub-mkimage is available
grub_cmd = "grub-mkimage -p /EFI/BOOT "
grub_cmd += "-c %s/grub-mkimage.cfg " % cr_workdir
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux "
grub_cmd += "search efi_gop font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs " + grub_modules
exec_cmd(grub_cmd)
elif source_params['loader'] == 'systemd-boot':
for mod in [x for x in os.listdir(kernel_dir) if x.startswith("systemd-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod, hdddir, mod[8:])
exec_cmd(cp_cmd, True)
else:
raise WicError("unrecognized bootimg-efi-isar loader: %s" %
source_params['loader'])
except KeyError:
raise WicError("bootimg-efi-isar requires a loader, none specified")
startup = os.path.join(kernel_dir, "startup.nsh")
if os.path.exists(startup):
cp_cmd = "cp %s %s/" % (startup, hdddir)
exec_cmd(cp_cmd, True)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
exec_cmd(dosfs_cmd)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_cmd(mcopy_cmd, True)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for legacy bios boot partition.
"""
def _has_syslinux(dirname):
if dirname:
syslinux = "%s/syslinux" % dirname
if os.path.exists(syslinux):
return True
return False
if not _has_syslinux(bootimg_dir):
bootimg_dir = get_bitbake_var("STAGING_DATADIR", "wic-tools")
if not bootimg_dir:
raise WicError("Couldn't find STAGING_DATADIR, exiting")
if not _has_syslinux(bootimg_dir):
raise WicError("Please build syslinux first")
# just so the result notes display it
creator.bootimg_dir = bootimg_dir
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
cmds = ("install -m 0644 %s/bzImage %s/vmlinuz" %
(staging_kernel_dir, hdddir),
"install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" %
(bootimg_dir, hdddir),
"install -m 0644 %s/syslinux/vesamenu.c32 %s/vesamenu.c32" %
(bootimg_dir, hdddir),
"install -m 444 %s/syslinux/libcom32.c32 %s/libcom32.c32" %
(bootimg_dir, hdddir),
"install -m 444 %s/syslinux/libutil.c32 %s/libutil.c32" %
(bootimg_dir, hdddir))
for install_cmd in cmds:
exec_cmd(install_cmd)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_native_cmd(mcopy_cmd, native_sysroot)
syslinux_cmd = "syslinux %s" % bootimg
exec_native_cmd(syslinux_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, does the following:
- sets up a vfat partition
- copies all files listed in IMAGE_BOOT_FILES variable
"""
hdddir = "%s/boot" % cr_workdir
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Kernel dir: %s', bootimg_dir)
boot_files = get_bitbake_var("IMAGE_BOOT_FILES")
if not boot_files:
raise WicError('No boot files defined, IMAGE_BOOT_FILES unset')
logger.debug('Boot files: %s', boot_files)
# list of tuples (src_name, dst_name)
deploy_files = []
for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files):
if ';' in src_entry:
dst_entry = tuple(src_entry.split(';'))
if not dst_entry[0] or not dst_entry[1]:
raise WicError('Malformed boot file entry: %s' % src_entry)
else:
dst_entry = (src_entry, src_entry)
logger.debug('Destination entry: %r', dst_entry)
deploy_files.append(dst_entry)
for deploy_entry in deploy_files:
src, dst = deploy_entry
install_task = []
if '*' in src:
# by default install files under their basename
entry_name_fn = os.path.basename
if dst != src:
# unless a target name was given, then treat name
# as a directory and append a basename
entry_name_fn = lambda name: \
os.path.join(dst,
os.path.basename(name))
srcs = glob(os.path.join(kernel_dir, src))
logger.debug('Globbed sources: %s', ', '.join(srcs))
for entry in srcs:
entry_dst_name = entry_name_fn(entry)
install_task.append((entry,
os.path.join(hdddir,
entry_dst_name)))
else:
install_task = [(os.path.join(kernel_dir, src),
os.path.join(hdddir, dst))]
for task in install_task:
src_path, dst_path = task
logger.debug('Install %s as %s',
os.path.basename(src_path), dst_path)
install_cmd = "install -m 0644 -D %s %s" \
% (src_path, dst_path)
exec_cmd(install_cmd)
logger.debug('Prepare boot partition using rootfs in %s', hdddir)
part.prepare_rootfs(cr_workdir, oe_builddir, hdddir,
native_sysroot)
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for an EFI (grub) boot partition.
"""
if not bootimg_dir:
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
# just so the result notes display it
creator.bootimg_dir = bootimg_dir
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
(staging_kernel_dir, hdddir)
exec_cmd(install_cmd)
try:
if source_params['loader'] == 'grub-efi':
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
"%s/grub.cfg" % cr_workdir)
for mod in [x for x in os.listdir(bootimg_dir) if x.startswith("grub-efi-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (bootimg_dir, mod, hdddir, mod[9:])
exec_cmd(cp_cmd, True)
shutil.move("%s/grub.cfg" % cr_workdir,
"%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
elif source_params['loader'] == 'systemd-boot':
for mod in [x for x in os.listdir(bootimg_dir) if x.startswith("systemd-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (bootimg_dir, mod, hdddir, mod[8:])
exec_cmd(cp_cmd, True)
else:
msger.error("unrecognized bootimg-efi loader: %s" % source_params['loader'])
except KeyError:
msger.error("bootimg-efi requires a loader, none specified")
startup = os.path.join(bootimg_dir, "startup.nsh")
if os.path.exists(startup):
cp_cmd = "cp %s %s/" % (startup, hdddir)
exec_cmd(cp_cmd, True)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \
(extra_blocks, part.mountpoint, blocks))
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_native_cmd(mcopy_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
