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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-pcbios' 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 mic import kickstart, chroot, msger
33from mic.utils import misc, fs_related, errors, runner, cmdln
34from mic.conf import configmgr
35from mic.plugin import pluginmgr
36from mic.utils.partitionedfs import PartitionedMount
37import mic.imager.direct as direct
38from mic.pluginbase import SourcePlugin
39from mic.utils.oe.misc import *
40from mic.imager.direct import DirectImageCreator
41
42class BootimgPcbiosPlugin(SourcePlugin):
43 name = 'bootimg-pcbios'
44
45 @classmethod
46 def do_install_disk(self, disk, disk_name, cr, workdir, oe_builddir,
47 bootimg_dir, kernel_dir, native_sysroot):
48 """
49 Called after all partitions have been prepared and assembled into a
50 disk image. In this case, we install the MBR.
51 """
52 mbrfile = "%s/syslinux/" % bootimg_dir
53 if cr._ptable_format == 'gpt':
54 mbrfile += "gptmbr.bin"
55 else:
56 mbrfile += "mbr.bin"
57
58 if not os.path.exists(mbrfile):
59 msger.error("Couldn't find %s. If using the -e option, do you have the right MACHINE set in local.conf? If not, is the bootimg_dir path correct?" % mbrfile)
60
61 full_path = cr._full_path(workdir, disk_name, "direct")
62 msger.debug("Installing MBR on disk %s as %s with size %s bytes" \
63 % (disk_name, full_path, disk['min_size']))
64
65 rc = runner.show(['dd', 'if=%s' % mbrfile,
66 'of=%s' % full_path, 'conv=notrunc'])
67 if rc != 0:
68 raise MountError("Unable to set MBR to %s" % full_path)
69
70 @classmethod
71 def do_configure_partition(self, part, cr, cr_workdir, oe_builddir,
72 bootimg_dir, kernel_dir, native_sysroot):
73 """
74 Called before do_prepare_partition(), creates syslinux config
75 """
76 hdddir = "%s/hdd/boot" % cr_workdir
77 rm_cmd = "rm -rf " + cr_workdir
78 exec_cmd(rm_cmd)
79
80 install_cmd = "install -d %s" % hdddir
81 tmp = exec_cmd(install_cmd)
82
83 splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg")
84 if os.path.exists(splash):
85 splashline = "menu background splash.jpg"
86 else:
87 splashline = ""
88
89 (rootdev, root_part_uuid) = cr._get_boot_config()
90 options = cr.ks.handler.bootloader.appendLine
91
92 syslinux_conf = ""
93 syslinux_conf += "PROMPT 0\n"
94 timeout = kickstart.get_timeout(cr.ks)
95 if not timeout:
96 timeout = 0
97 syslinux_conf += "TIMEOUT " + str(timeout) + "\n"
98 syslinux_conf += "\n"
99 syslinux_conf += "ALLOWOPTIONS 1\n"
100 syslinux_conf += "SERIAL 0 115200\n"
101 syslinux_conf += "\n"
102 if splashline:
103 syslinux_conf += "%s\n" % splashline
104 syslinux_conf += "DEFAULT boot\n"
105 syslinux_conf += "LABEL boot\n"
106
107 kernel = "/vmlinuz"
108 syslinux_conf += "KERNEL " + kernel + "\n"
109
110 if cr._ptable_format == 'msdos':
111 rootstr = rootdev
112 else:
113 if not root_part_uuid:
114 raise MountError("Cannot find the root GPT partition UUID")
115 rootstr = "PARTUUID=%s" % root_part_uuid
116
117 syslinux_conf += "APPEND label=boot root=%s %s\n" % (rootstr, options)
118
119 msger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg" \
120 % cr_workdir)
121 cfg = open("%s/hdd/boot/syslinux.cfg" % cr_workdir, "w")
122 cfg.write(syslinux_conf)
123 cfg.close()
124
125 @classmethod
126 def do_prepare_partition(self, part, cr, cr_workdir, oe_builddir, bootimg_dir,
127 kernel_dir, rootfs_dir, native_sysroot):
128 """
129 Called to do the actual content population for a partition i.e. it
130 'prepares' the partition to be incorporated into the image.
131 In this case, prepare content for legacy bios boot partition.
132 """
133 if not bootimg_dir:
134 bootimg_dir = get_bitbake_var("STAGING_DATADIR")
135 if not bootimg_dir:
136 msger.error("Couldn't find STAGING_DATADIR, exiting\n")
137 # just so the result notes display it
138 cr.set_bootimg_dir(bootimg_dir)
139
140 staging_kernel_dir = kernel_dir
141 staging_data_dir = bootimg_dir
142
143 hdddir = "%s/hdd/boot" % cr_workdir
144
145 install_cmd = "install -m 0644 %s/bzImage %s/vmlinuz" \
146 % (staging_kernel_dir, hdddir)
147 tmp = exec_cmd(install_cmd)
148
149 install_cmd = "install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" \
150 % (staging_data_dir, hdddir)
151 tmp = exec_cmd(install_cmd)
152
153 du_cmd = "du -bks %s" % hdddir
154 rc, out = exec_cmd(du_cmd)
155 blocks = int(out.split()[0])
156
157 extra_blocks = part.get_extra_block_count(blocks)
158
159 if extra_blocks < BOOTDD_EXTRA_SPACE:
160 extra_blocks = BOOTDD_EXTRA_SPACE
161
162 blocks += extra_blocks
163
164 msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \
165 (extra_blocks, part.mountpoint, blocks))
166
167 # Ensure total sectors is an integral number of sectors per
168 # track or mcopy will complain. Sectors are 512 bytes, and we
169 # generate images with 32 sectors per track. This calculation is
170 # done in blocks, thus the mod by 16 instead of 32.
171 blocks += (16 - (blocks % 16))
172
173 # dosfs image, created by mkdosfs
174 bootimg = "%s/boot.img" % cr_workdir
175
176 dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
177 exec_native_cmd(dosfs_cmd, native_sysroot)
178
179 mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
180 exec_native_cmd(mcopy_cmd, native_sysroot)
181
182 syslinux_cmd = "syslinux %s" % bootimg
183 exec_native_cmd(syslinux_cmd, native_sysroot)
184
185 chmod_cmd = "chmod 644 %s" % bootimg
186 exec_cmd(chmod_cmd)
187
188 du_cmd = "du -Lbms %s" % bootimg
189 rc, out = exec_cmd(du_cmd)
190 bootimg_size = out.split()[0]
191
192 part.set_size(bootimg_size)
193 part.set_source_file(bootimg)
194
195