aboutsummaryrefslogtreecommitdiff
path: root/scripts/lib/wic/plugins/source/bootimg-partition.py
blob: c5eb7b8b801ba0c5c7be7954dcaab0c6942fbb5b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
# 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/boot" % 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)