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# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# 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.
#
# DESCRIPTION
# This implements the 'bootimg-partition' source plugin class for
# 'wic'. The plugin creates an image of boot partition, copying over
# files listed in IMAGE_BOOT_FILES bitbake variable.
#
# AUTHORS
# Maciej Borzecki <maciej.borzecki (at] open-rnd.pl>
#
import os
import re
from wic import msger
from wic.pluginbase import SourcePlugin
from wic.utils.oe.misc import *
from glob import glob
class BootimgPartitionPlugin(SourcePlugin):
name = 'bootimg-partition'
@classmethod
def do_install_disk(self, disk, disk_name, cr, workdir, oe_builddir,
bootimg_dir, kernel_dir, native_sysroot):
"""
Called after all partitions have been prepared and assembled into a
disk image. Do nothing.
"""
pass
@classmethod
def do_configure_partition(self, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(). Possibly prepare
configuration files of some sort.
"""
pass
@classmethod
def do_prepare_partition(self, 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
rm_cmd = "rm -rf %s" % cr_workdir
exec_cmd(rm_cmd)
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
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)
boot_files = get_bitbake_var("IMAGE_BOOT_FILES")
if not boot_files:
msger.error('No boot files defined, IMAGE_BOOT_FILES unset')
msger.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]:
msger.error('Malformed boot file entry: %s' % (src_entry))
else:
dst_entry = (src_entry, src_entry)
msger.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(bootimg_dir, src))
msger.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(bootimg_dir, src),
os.path.join(hdddir, dst))]
for task in install_task:
src_path, dst_path = task
msger.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)
msger.debug('Prepare boot partition using rootfs in %s' % (hdddir))
part.prepare_rootfs(cr_workdir, oe_builddir, hdddir,
native_sysroot)
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