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f0181e79ed
poky/scripts/lib/wic/plugins/source/bootimg-efi.py
Maciej Borzecki f0181e79ed wic: make sure that partition size is always an integer in internal processing 
The size field of Partition class is expected to be an integer and ought
to be set inside prepare_*() method. Make sure that this is always the
case.

(From OE-Core rev: a37838f995ae642b0b8bdd47a605a264fb3bf200)

Signed-off-by: Maciej Borzecki <maciej.borzecki@rndity.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2016-11-15 15:19:55 +00:00

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# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# Copyright (c) 2014, Intel Corporation.
# All rights reserved.
#
# 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-efi' source plugin class for 'wic'
#
# AUTHORS
# Tom Zanussi <tom.zanussi (at] linux.intel.com>
#
import os
import shutil
from wic import msger
from wic.pluginbase import SourcePlugin
from wic.utils.misc import get_custom_config
from wic.utils.oe.misc import exec_cmd, exec_native_cmd, get_bitbake_var, \
BOOTDD_EXTRA_SPACE
class BootimgEFIPlugin(SourcePlugin):
"""
Create EFI boot partition.
This plugin supports GRUB 2 and gummiboot bootloaders.
"""
name = 'bootimg-efi'
@classmethod
def do_configure_grubefi(cls, hdddir, creator, cr_workdir):
"""
Create loader-specific (grub-efi) config
"""
configfile = creator.ks.bootloader.configfile
custom_cfg = None
if configfile:
custom_cfg = get_custom_config(configfile)
if custom_cfg:
# Use a custom configuration for grub
grubefi_conf = custom_cfg
msger.debug("Using custom configuration file "
"%s for grub.cfg" % configfile)
else:
msger.error("configfile is specified but failed to "
"get it from %s." % configfile)
if not custom_cfg:
# Create grub configuration using parameters from wks file
bootloader = creator.ks.bootloader
grubefi_conf = ""
grubefi_conf += "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1\n"
grubefi_conf += "default=boot\n"
grubefi_conf += "timeout=%s\n" % bootloader.timeout
grubefi_conf += "menuentry 'boot'{\n"
kernel = "/bzImage"
grubefi_conf += "linux %s root=%s rootwait %s\n" \
% (kernel, creator.rootdev, bootloader.append)
grubefi_conf += "}\n"
msger.debug("Writing grubefi config %s/hdd/boot/EFI/BOOT/grub.cfg" \
% cr_workdir)
cfg = open("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir, "w")
cfg.write(grubefi_conf)
cfg.close()
@classmethod
def do_configure_gummiboot(cls, hdddir, creator, cr_workdir):
"""
Create loader-specific systemd-boot/gummiboot config
"""
install_cmd = "install -d %s/loader" % hdddir
exec_cmd(install_cmd)
install_cmd = "install -d %s/loader/entries" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
loader_conf = ""
loader_conf += "default boot\n"
loader_conf += "timeout %d\n" % bootloader.timeout
msger.debug("Writing gummiboot config %s/hdd/boot/loader/loader.conf" \
% cr_workdir)
cfg = open("%s/hdd/boot/loader/loader.conf" % cr_workdir, "w")
cfg.write(loader_conf)
cfg.close()
configfile = creator.ks.bootloader.configfile
custom_cfg = None
if configfile:
custom_cfg = get_custom_config(configfile)
if custom_cfg:
# Use a custom configuration for gummiboot
boot_conf = custom_cfg
msger.debug("Using custom configuration file "
"%s for gummiboots's boot.conf" % configfile)
else:
msger.error("configfile is specified but failed to "
"get it from %s." % configfile)
if not custom_cfg:
# Create gummiboot configuration using parameters from wks file
kernel = "/bzImage"
boot_conf = ""
boot_conf += "title boot\n"
boot_conf += "linux %s\n" % kernel
boot_conf += "options LABEL=Boot root=%s %s\n" % \
(creator.rootdev, bootloader.append)
msger.debug("Writing gummiboot config %s/hdd/boot/loader/entries/boot.conf" \
% cr_workdir)
cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w")
cfg.write(boot_conf)
cfg.close()
@classmethod
def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(), creates loader-specific config
"""
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -d %s/EFI/BOOT" % hdddir
exec_cmd(install_cmd)
try:
if source_params['loader'] == 'grub-efi':
cls.do_configure_grubefi(hdddir, creator, cr_workdir)
elif source_params['loader'] == 'gummiboot' \
or source_params['loader'] == 'systemd-boot':
cls.do_configure_gummiboot(hdddir, creator, cr_workdir)
else:
msger.error("unrecognized bootimg-efi loader: %s" % source_params['loader'])
except KeyError:
msger.error("bootimg-efi requires a loader, none specified")
@classmethod
def do_prepare_partition(cls, part, source_params, creator, 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, prepare content for an EFI (grub) boot partition.
"""
if not bootimg_dir:
bootimg_dir = get_bitbake_var("HDDDIR")
if not bootimg_dir:
msger.error("Couldn't find HDDDIR, exiting\n")
# just so the result notes display it
creator.set_bootimg_dir(bootimg_dir)
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
(staging_kernel_dir, hdddir)
exec_cmd(install_cmd)
try:
if source_params['loader'] == 'grub-efi':
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
"%s/grub.cfg" % cr_workdir)
cp_cmd = "cp %s/EFI/BOOT/* %s/EFI/BOOT" % (bootimg_dir, hdddir)
exec_cmd(cp_cmd, True)
shutil.move("%s/grub.cfg" % cr_workdir,
"%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
elif source_params['loader'] == 'gummiboot' \
or source_params['loader'] == 'systemd-boot':
cp_cmd = "cp %s/EFI/BOOT/* %s/EFI/BOOT" % (bootimg_dir, hdddir)
exec_cmd(cp_cmd, True)
else:
msger.error("unrecognized bootimg-efi loader: %s" % source_params['loader'])
except KeyError:
msger.error("bootimg-efi requires a loader, none specified")
startup = os.path.join(bootimg_dir, "startup.nsh")
if os.path.exists(startup):
cp_cmd = "cp %s %s/" % (startup, hdddir)
exec_cmd(cp_cmd, True)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \
(extra_blocks, part.mountpoint, blocks))
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_native_cmd(mcopy_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
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