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authorMaciej Borzecki <maciej.borzecki@open-rnd.pl>2014-09-22 13:35:19 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-09-23 20:35:42 +0100
commit4a3200d710d953956064c28188577fbd461d093d (patch)
treec948442720bcddf0bbc0d16fb2ad1ab03b941013 /scripts
parent8007f41aa824db2ee681d9dd98a0b06f44fc9d6d (diff)
downloadopenembedded-core-contrib-4a3200d710d953956064c28188577fbd461d093d.tar.gz
wic: add new bootimg-partition plugin
This patch implements '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. Signed-off-by: Maciej Borzecki <maciej.borzecki@open-rnd.pl> Signed-off-by: Maciek Borzecki <maciek.borzecki@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/lib/wic/plugins/source/bootimg-partition.py108
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)
+