diff options
author | Patrick Williams <patrick@stwcx.xyz> | 2016-08-17 14:31:25 -0500 |
---|---|---|
committer | Patrick Williams <patrick@stwcx.xyz> | 2016-08-22 16:43:26 +0000 |
commit | 60f9d69e016b11c468c98ea75ba0a60c44afbbc4 (patch) | |
tree | ecb49581a9e41a37943c22cd9ef3f63451b20ee7 /import-layers/yocto-poky/scripts/lib/wic/plugins/source/bootimg-efi.py | |
parent | e18c61205e0234b03697129c20cc69c9b3940efc (diff) | |
download | talos-openbmc-60f9d69e016b11c468c98ea75ba0a60c44afbbc4.tar.gz talos-openbmc-60f9d69e016b11c468c98ea75ba0a60c44afbbc4.zip |
yocto-poky: Move to import-layers subdir
We are going to import additional layers, so create a subdir to
hold all of the layers that we import with git-subtree.
Change-Id: I6f732153a22be8ca663035c518837e3cc5ec0799
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Diffstat (limited to 'import-layers/yocto-poky/scripts/lib/wic/plugins/source/bootimg-efi.py')
-rw-r--r-- | import-layers/yocto-poky/scripts/lib/wic/plugins/source/bootimg-efi.py | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/scripts/lib/wic/plugins/source/bootimg-efi.py b/import-layers/yocto-poky/scripts/lib/wic/plugins/source/bootimg-efi.py new file mode 100644 index 000000000..a4734c9b3 --- /dev/null +++ b/import-layers/yocto-poky/scripts/lib/wic/plugins/source/bootimg-efi.py @@ -0,0 +1,237 @@ +# 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 (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': + 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': + 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") + + 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)) + + # 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 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 = bootimg_size + part.source_file = bootimg |