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1# ex:ts=4:sw=4:sts=4:et
2# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
3#
4# Copyright (c) 2014, Intel Corporation.
5# All rights reserved.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License version 2 as
9# published by the Free Software Foundation.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License along
17# with this program; if not, write to the Free Software Foundation, Inc.,
18# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19#
20# DESCRIPTION
21# This implements the 'bootimg-efi' source plugin class for 'wic'
22#
23# AUTHORS
24# Tom Zanussi <tom.zanussi (at] linux.intel.com>
25#
26
27import os
28import shutil
29import re
30import tempfile
31
32from wic import kickstart, msger
33from wic.utils import misc, fs_related, errors, runner, cmdln
34from wic.conf import configmgr
35from wic.plugin import pluginmgr
36import wic.imager.direct as direct
37from wic.pluginbase import SourcePlugin
38from wic.utils.oe.misc import *
39from wic.imager.direct import DirectImageCreator
40
41class BootimgEFIPlugin(SourcePlugin):
42 name = 'bootimg-efi'
43
44 @classmethod
45 def do_configure_partition(self, part, cr, cr_workdir, oe_builddir,
46 bootimg_dir, kernel_dir, native_sysroot):
47 """
48 Called before do_prepare_partition(), creates grubefi config
49 """
50 hdddir = "%s/hdd/boot" % cr_workdir
51 rm_cmd = "rm -rf %s" % cr_workdir
52 exec_cmd(rm_cmd)
53
54 install_cmd = "install -d %s/EFI/BOOT" % hdddir
55 exec_cmd(install_cmd)
56
57 splash = os.path.join(cr_workdir, "/EFI/boot/splash.jpg")
58 if os.path.exists(splash):
59 splashline = "menu background splash.jpg"
60 else:
61 splashline = ""
62
63 (rootdev, root_part_uuid) = cr._get_boot_config()
64 options = cr.ks.handler.bootloader.appendLine
65
66 grubefi_conf = ""
67 grubefi_conf += "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1\n"
68 grubefi_conf += "default=boot\n"
69 timeout = kickstart.get_timeout(cr.ks)
70 if not timeout:
71 timeout = 0
72 grubefi_conf += "timeout=%s\n" % timeout
73 grubefi_conf += "menuentry 'boot'{\n"
74
75 kernel = "/vmlinuz"
76
77 if cr._ptable_format == 'msdos':
78 rootstr = rootdev
79 else:
80 raise ImageError("Unsupported partition table format found")
81
82 grubefi_conf += "linux %s root=%s rootwait %s\n" \
83 % (kernel, rootstr, options)
84 grubefi_conf += "}\n"
85 if splashline:
86 syslinux_conf += "%s\n" % splashline
87
88 msger.debug("Writing grubefi config %s/hdd/boot/EFI/BOOT/grub.cfg" \
89 % cr_workdir)
90 cfg = open("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir, "w")
91 cfg.write(grubefi_conf)
92 cfg.close()
93
94 @classmethod
95 def do_prepare_partition(self, part, cr, cr_workdir, oe_builddir, bootimg_dir,
96 kernel_dir, rootfs_dir, native_sysroot):
97 """
98 Called to do the actual content population for a partition i.e. it
99 'prepares' the partition to be incorporated into the image.
100 In this case, prepare content for an EFI (grub) boot partition.
101 """
102 if not bootimg_dir:
103 bootimg_dir = get_bitbake_var("HDDDIR")
104 if not bootimg_dir:
105 msger.error("Couldn't find HDDDIR, exiting\n")
106 # just so the result notes display it
107 cr.set_bootimg_dir(bootimg_dir)
108
109 staging_kernel_dir = kernel_dir
110 staging_data_dir = bootimg_dir
111
112 hdddir = "%s/hdd/boot" % cr_workdir
113
114 install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
115 (staging_kernel_dir, hdddir)
116 exec_cmd(install_cmd)
117
118 shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
119 "%s/grub.cfg" % cr_workdir)
120
121 cp_cmd = "cp %s/EFI/BOOT/* %s/EFI/BOOT" % (staging_data_dir, hdddir)
122 exec_cmd(cp_cmd, True)
123
124 shutil.move("%s/grub.cfg" % cr_workdir,
125 "%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
126
127 du_cmd = "du -bks %s" % hdddir
128 out = exec_cmd(du_cmd)
129 blocks = int(out.split()[0])
130
131 extra_blocks = part.get_extra_block_count(blocks)
132
133 if extra_blocks < BOOTDD_EXTRA_SPACE:
134 extra_blocks = BOOTDD_EXTRA_SPACE
135
136 blocks += extra_blocks
137
138 msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \
139 (extra_blocks, part.mountpoint, blocks))
140
141 # Ensure total sectors is an integral number of sectors per
142 # track or mcopy will complain. Sectors are 512 bytes, and we
143 # generate images with 32 sectors per track. This calculation is
144 # done in blocks, thus the mod by 16 instead of 32.
145 blocks += (16 - (blocks % 16))
146
147 # dosfs image, created by mkdosfs
148 bootimg = "%s/boot.img" % cr_workdir
149
150 dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
151 exec_native_cmd(dosfs_cmd, native_sysroot)
152
153 mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
154 exec_native_cmd(mcopy_cmd, native_sysroot)
155
156 chmod_cmd = "chmod 644 %s" % bootimg
157 exec_cmd(chmod_cmd)
158
159 du_cmd = "du -Lbms %s" % bootimg
160 out = exec_cmd(du_cmd)
161 bootimg_size = out.split()[0]
162
163 part.set_size(bootimg_size)
164 part.set_source_file(bootimg)
165
166