# 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-pcbios' source plugin class for 'wic' # # AUTHORS # Tom Zanussi # import os import shutil import re import tempfile from mic import kickstart, chroot, msger from mic.utils import misc, fs_related, errors, runner, cmdln from mic.conf import configmgr from mic.plugin import pluginmgr from mic.utils.partitionedfs import PartitionedMount import mic.imager.direct as direct from mic.pluginbase import SourcePlugin from mic.utils.oe.misc import * from mic.imager.direct import DirectImageCreator class BootimgPcbiosPlugin(SourcePlugin): name = 'bootimg-pcbios' @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. In this case, we install the MBR. """ mbrfile = "%s/syslinux/" % bootimg_dir if cr._ptable_format == 'gpt': mbrfile += "gptmbr.bin" else: mbrfile += "mbr.bin" if not os.path.exists(mbrfile): 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) full_path = cr._full_path(workdir, disk_name, "direct") msger.debug("Installing MBR on disk %s as %s with size %s bytes" \ % (disk_name, full_path, disk['min_size'])) rc = runner.show(['dd', 'if=%s' % mbrfile, 'of=%s' % full_path, 'conv=notrunc']) if rc != 0: raise MountError("Unable to set MBR to %s" % full_path) @classmethod def do_configure_partition(self, part, cr, cr_workdir, oe_builddir, bootimg_dir, kernel_dir, native_sysroot): """ Called before do_prepare_partition(), creates syslinux config """ hdddir = "%s/hdd/boot" % cr_workdir rm_cmd = "rm -rf " + cr_workdir exec_cmd(rm_cmd) install_cmd = "install -d %s" % hdddir tmp = exec_cmd(install_cmd) splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg") if os.path.exists(splash): splashline = "menu background splash.jpg" else: splashline = "" (rootdev, root_part_uuid) = cr._get_boot_config() options = cr.ks.handler.bootloader.appendLine syslinux_conf = "" syslinux_conf += "PROMPT 0\n" timeout = kickstart.get_timeout(cr.ks) if not timeout: timeout = 0 syslinux_conf += "TIMEOUT " + str(timeout) + "\n" syslinux_conf += "\n" syslinux_conf += "ALLOWOPTIONS 1\n" syslinux_conf += "SERIAL 0 115200\n" syslinux_conf += "\n" if splashline: syslinux_conf += "%s\n" % splashline syslinux_conf += "DEFAULT boot\n" syslinux_conf += "LABEL boot\n" kernel = "/vmlinuz" syslinux_conf += "KERNEL " + kernel + "\n" if cr._ptable_format == 'msdos': rootstr = rootdev else: if not root_part_uuid: raise MountError("Cannot find the root GPT partition UUID") rootstr = "PARTUUID=%s" % root_part_uuid syslinux_conf += "APPEND label=boot root=%s %s\n" % (rootstr, options) msger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg" \ % cr_workdir) cfg = open("%s/hdd/boot/syslinux.cfg" % cr_workdir, "w") cfg.write(syslinux_conf) cfg.close() @classmethod def do_prepare_partition(self, part, cr, cr_workdir, oe_builddir, bootimg_dir, kernel_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 legacy bios boot partition. """ if not bootimg_dir: bootimg_dir = get_bitbake_var("STAGING_DATADIR") if not bootimg_dir: msger.error("Couldn't find STAGING_DATADIR, exiting\n") # just so the result notes display it cr.set_bootimg_dir(bootimg_dir) staging_kernel_dir = kernel_dir staging_data_dir = bootimg_dir hdddir = "%s/hdd/boot" % cr_workdir install_cmd = "install -m 0644 %s/bzImage %s/vmlinuz" \ % (staging_kernel_dir, hdddir) tmp = exec_cmd(install_cmd) install_cmd = "install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" \ % (staging_data_dir, hdddir) tmp = exec_cmd(install_cmd) du_cmd = "du -bks %s" % hdddir rc, out = exec_cmd(du_cmd) blocks = int(out.split()[0]) blocks += BOOTDD_EXTRA_SPACE # Ensure total sectors is an integral number of sectors per # track or mcopy will complain. Sectors are 512 bytes, and we # generate images with 32 sectors per track. This calculation is # done in blocks, thus the mod by 16 instead of 32. blocks += (16 - (blocks % 16)) # dosfs image, created by mkdosfs bootimg = "%s/boot.img" % cr_workdir dosfs_cmd = "mkdosfs -n boot -S 512 -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) syslinux_cmd = "syslinux %s" % bootimg exec_native_cmd(syslinux_cmd, native_sysroot) chmod_cmd = "chmod 644 %s" % bootimg exec_cmd(chmod_cmd) du_cmd = "du -Lbms %s" % bootimg rc, out = exec_cmd(du_cmd) bootimg_size = out.split()[0] part.set_size(bootimg_size) part.set_source_file(bootimg)