Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | # ex:ts=4:sw=4:sts=4:et |
| 2 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- |
| 3 | # |
| 4 | # This program is free software; you can redistribute it and/or modify |
| 5 | # it under the terms of the GNU General Public License version 2 as |
| 6 | # published by the Free Software Foundation. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License along |
| 14 | # with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 16 | # |
| 17 | # DESCRIPTION |
| 18 | # This implements the 'bootimg-partition' source plugin class for |
| 19 | # 'wic'. The plugin creates an image of boot partition, copying over |
| 20 | # files listed in IMAGE_BOOT_FILES bitbake variable. |
| 21 | # |
| 22 | # AUTHORS |
| 23 | # Maciej Borzecki <maciej.borzecki (at] open-rnd.pl> |
| 24 | # |
| 25 | |
| 26 | import os |
| 27 | import re |
| 28 | |
| 29 | from wic import msger |
| 30 | from wic.pluginbase import SourcePlugin |
| 31 | from wic.utils.oe.misc import exec_cmd, get_bitbake_var |
| 32 | from glob import glob |
| 33 | |
| 34 | class BootimgPartitionPlugin(SourcePlugin): |
| 35 | """ |
| 36 | Create an image of boot partition, copying over files |
| 37 | listed in IMAGE_BOOT_FILES bitbake variable. |
| 38 | """ |
| 39 | |
| 40 | name = 'bootimg-partition' |
| 41 | |
| 42 | @classmethod |
| 43 | def do_install_disk(cls, disk, disk_name, cr, workdir, oe_builddir, |
| 44 | bootimg_dir, kernel_dir, native_sysroot): |
| 45 | """ |
| 46 | Called after all partitions have been prepared and assembled into a |
| 47 | disk image. Do nothing. |
| 48 | """ |
| 49 | pass |
| 50 | |
| 51 | @classmethod |
| 52 | def do_configure_partition(cls, part, source_params, cr, cr_workdir, |
| 53 | oe_builddir, bootimg_dir, kernel_dir, |
| 54 | native_sysroot): |
| 55 | """ |
| 56 | Called before do_prepare_partition(). Possibly prepare |
| 57 | configuration files of some sort. |
| 58 | |
| 59 | """ |
| 60 | pass |
| 61 | |
| 62 | @classmethod |
| 63 | def do_prepare_partition(cls, part, source_params, cr, cr_workdir, |
| 64 | oe_builddir, bootimg_dir, kernel_dir, |
| 65 | rootfs_dir, native_sysroot): |
| 66 | """ |
| 67 | Called to do the actual content population for a partition i.e. it |
| 68 | 'prepares' the partition to be incorporated into the image. |
| 69 | In this case, does the following: |
| 70 | - sets up a vfat partition |
| 71 | - copies all files listed in IMAGE_BOOT_FILES variable |
| 72 | """ |
| 73 | hdddir = "%s/boot" % cr_workdir |
| 74 | rm_cmd = "rm -rf %s/boot" % cr_workdir |
| 75 | exec_cmd(rm_cmd) |
| 76 | |
| 77 | install_cmd = "install -d %s" % hdddir |
| 78 | exec_cmd(install_cmd) |
| 79 | |
| 80 | if not bootimg_dir: |
| 81 | bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE") |
| 82 | if not bootimg_dir: |
| 83 | msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n") |
| 84 | |
| 85 | msger.debug('Bootimg dir: %s' % bootimg_dir) |
| 86 | |
| 87 | boot_files = get_bitbake_var("IMAGE_BOOT_FILES") |
| 88 | |
| 89 | if not boot_files: |
| 90 | msger.error('No boot files defined, IMAGE_BOOT_FILES unset') |
| 91 | |
| 92 | msger.debug('Boot files: %s' % boot_files) |
| 93 | |
| 94 | # list of tuples (src_name, dst_name) |
| 95 | deploy_files = [] |
| 96 | for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files): |
| 97 | if ';' in src_entry: |
| 98 | dst_entry = tuple(src_entry.split(';')) |
| 99 | if not dst_entry[0] or not dst_entry[1]: |
| 100 | msger.error('Malformed boot file entry: %s' % (src_entry)) |
| 101 | else: |
| 102 | dst_entry = (src_entry, src_entry) |
| 103 | |
| 104 | msger.debug('Destination entry: %r' % (dst_entry,)) |
| 105 | deploy_files.append(dst_entry) |
| 106 | |
| 107 | for deploy_entry in deploy_files: |
| 108 | src, dst = deploy_entry |
| 109 | install_task = [] |
| 110 | if '*' in src: |
| 111 | # by default install files under their basename |
| 112 | entry_name_fn = os.path.basename |
| 113 | if dst != src: |
| 114 | # unless a target name was given, then treat name |
| 115 | # as a directory and append a basename |
| 116 | entry_name_fn = lambda name: \ |
| 117 | os.path.join(dst, |
| 118 | os.path.basename(name)) |
| 119 | |
| 120 | srcs = glob(os.path.join(bootimg_dir, src)) |
| 121 | |
| 122 | msger.debug('Globbed sources: %s' % (', '.join(srcs))) |
| 123 | for entry in srcs: |
| 124 | entry_dst_name = entry_name_fn(entry) |
| 125 | install_task.append((entry, |
| 126 | os.path.join(hdddir, |
| 127 | entry_dst_name))) |
| 128 | else: |
| 129 | install_task = [(os.path.join(bootimg_dir, src), |
| 130 | os.path.join(hdddir, dst))] |
| 131 | |
| 132 | for task in install_task: |
| 133 | src_path, dst_path = task |
| 134 | msger.debug('Install %s as %s' % (os.path.basename(src_path), |
| 135 | dst_path)) |
| 136 | install_cmd = "install -m 0644 -D %s %s" \ |
| 137 | % (src_path, dst_path) |
| 138 | exec_cmd(install_cmd) |
| 139 | |
| 140 | msger.debug('Prepare boot partition using rootfs in %s' % (hdddir)) |
| 141 | part.prepare_rootfs(cr_workdir, oe_builddir, hdddir, |
| 142 | native_sysroot) |
| 143 | |