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| -rw-r--r-- | scripts/lib/wic/plugins/source/bootimg-partition.py | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/scripts/lib/wic/plugins/source/bootimg-partition.py b/scripts/lib/wic/plugins/source/bootimg-partition.py new file mode 100644 index 0000000000..cc72b2f7cb --- /dev/null +++ b/scripts/lib/wic/plugins/source/bootimg-partition.py @@ -0,0 +1,108 @@ +# 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 * + +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) + + msger.debug('Bootimg dir: %s' % bootimg_dir) + img_deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") + 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(';')) + 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 + src_path = os.path.join(img_deploy_dir, src) + dst_path = os.path.join(hdddir, dst) + + 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) + |