Complete Yocto mirror with license table for TQMa6UL (2038-compliance)
- 264 license table entries with exact download URLs (224/264 resolved) - Complete sources/ directory with all BitBake recipes - Build configuration: tqma6ul-multi-mba6ulx, spaetzle (musl) - Full traceability for Softwarefreigabeantrag - GCC 13.4.0, Linux 6.6.102, U-Boot 2023.04, musl 1.2.4 - License distribution: GPL-2.0 (24), MIT (23), GPL-2.0+ (18), BSD-3 (16)
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Siggi (OpenClaw Agent)
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# DESCRIPTION
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# This implements the 'bootimg-biosplusefi' source plugin class for 'wic'
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#
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# AUTHORS
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# William Bourque <wbourque [at) gmail.com>
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import types
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from wic.pluginbase import SourcePlugin
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from importlib.machinery import SourceFileLoader
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class BootimgBiosPlusEFIPlugin(SourcePlugin):
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"""
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Create MBR + EFI boot partition
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This plugin creates a boot partition that contains both
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legacy BIOS and EFI content. It will be able to boot from both.
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This is useful when managing PC fleet with some older machines
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without EFI support.
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Note it is possible to create an image that can boot from both
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legacy BIOS and EFI by defining two partitions : one with arg
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--source bootimg-efi and another one with --source bootimg-pcbios.
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However, this method has the obvious downside that it requires TWO
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partitions to be created on the storage device.
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Both partitions will also be marked as "bootable" which does not work on
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most BIOS, has BIOS often uses the "bootable" flag to determine
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what to boot. If you have such a BIOS, you need to manually remove the
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"bootable" flag from the EFI partition for the drive to be bootable.
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Having two partitions also seems to confuse wic : the content of
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the first partition will be duplicated into the second, even though it
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will not be used at all.
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Also, unlike "isoimage-isohybrid" that also does BIOS and EFI, this plugin
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allows you to have more than only a single rootfs partitions and does
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not turn the rootfs into an initramfs RAM image.
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This plugin is made to put everything into a single /boot partition so it
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does not have the limitations listed above.
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The plugin is made so it does tries not to reimplement what's already
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been done in other plugins; as such it imports "bootimg-pcbios"
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and "bootimg-efi".
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Plugin "bootimg-pcbios" is used to generate legacy BIOS boot.
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Plugin "bootimg-efi" is used to generate the UEFI boot. Note that it
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requires a --sourceparams argument to know which loader to use; refer
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to "bootimg-efi" code/documentation for the list of loader.
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Imports are handled with "SourceFileLoader" from importlib as it is
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otherwise very difficult to import module that has hyphen "-" in their
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filename.
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The SourcePlugin() methods used in the plugins (do_install_disk,
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do_configure_partition, do_prepare_partition) are then called on both,
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beginning by "bootimg-efi".
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Plugin options, such as "--sourceparams" can still be passed to a
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plugin, as long they does not cause issue in the other plugin.
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Example wic configuration:
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part /boot --source bootimg-biosplusefi --sourceparams="loader=grub-efi"\\
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--ondisk sda --label os_boot --active --align 1024 --use-uuid
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"""
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name = 'bootimg-biosplusefi'
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__PCBIOS_MODULE_NAME = "bootimg-pcbios"
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__EFI_MODULE_NAME = "bootimg-efi"
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__imgEFIObj = None
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__imgBiosObj = None
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@classmethod
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def __init__(cls):
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"""
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Constructor (init)
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"""
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# XXX
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# For some reasons, __init__ constructor is never called.
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# Something to do with how pluginbase works?
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cls.__instanciateSubClasses()
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@classmethod
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def __instanciateSubClasses(cls):
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"""
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"""
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# Import bootimg-pcbios (class name "BootimgPcbiosPlugin")
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modulePath = os.path.join(os.path.dirname(os.path.realpath(__file__)),
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cls.__PCBIOS_MODULE_NAME + ".py")
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loader = SourceFileLoader(cls.__PCBIOS_MODULE_NAME, modulePath)
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mod = types.ModuleType(loader.name)
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loader.exec_module(mod)
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cls.__imgBiosObj = mod.BootimgPcbiosPlugin()
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# Import bootimg-efi (class name "BootimgEFIPlugin")
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modulePath = os.path.join(os.path.dirname(os.path.realpath(__file__)),
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cls.__EFI_MODULE_NAME + ".py")
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loader = SourceFileLoader(cls.__EFI_MODULE_NAME, modulePath)
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mod = types.ModuleType(loader.name)
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loader.exec_module(mod)
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cls.__imgEFIObj = mod.BootimgEFIPlugin()
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@classmethod
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def do_install_disk(cls, disk, disk_name, creator, workdir, oe_builddir,
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bootimg_dir, kernel_dir, native_sysroot):
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"""
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Called after all partitions have been prepared and assembled into a
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disk image.
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"""
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if ( (not cls.__imgEFIObj) or (not cls.__imgBiosObj) ):
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cls.__instanciateSubClasses()
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cls.__imgEFIObj.do_install_disk(
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disk,
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disk_name,
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creator,
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workdir,
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oe_builddir,
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bootimg_dir,
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kernel_dir,
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native_sysroot)
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cls.__imgBiosObj.do_install_disk(
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disk,
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disk_name,
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creator,
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workdir,
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oe_builddir,
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bootimg_dir,
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kernel_dir,
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native_sysroot)
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@classmethod
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def do_configure_partition(cls, part, source_params, creator, cr_workdir,
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oe_builddir, bootimg_dir, kernel_dir,
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native_sysroot):
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"""
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Called before do_prepare_partition()
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"""
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if ( (not cls.__imgEFIObj) or (not cls.__imgBiosObj) ):
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cls.__instanciateSubClasses()
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cls.__imgEFIObj.do_configure_partition(
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part,
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source_params,
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creator,
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cr_workdir,
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oe_builddir,
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bootimg_dir,
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kernel_dir,
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native_sysroot)
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cls.__imgBiosObj.do_configure_partition(
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part,
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source_params,
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creator,
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cr_workdir,
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oe_builddir,
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bootimg_dir,
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kernel_dir,
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native_sysroot)
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@classmethod
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def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
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oe_builddir, bootimg_dir, kernel_dir,
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rootfs_dir, native_sysroot):
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"""
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Called to do the actual content population for a partition i.e. it
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'prepares' the partition to be incorporated into the image.
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"""
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if ( (not cls.__imgEFIObj) or (not cls.__imgBiosObj) ):
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cls.__instanciateSubClasses()
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cls.__imgEFIObj.do_prepare_partition(
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part,
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source_params,
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creator,
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cr_workdir,
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oe_builddir,
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bootimg_dir,
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kernel_dir,
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rootfs_dir,
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native_sysroot)
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cls.__imgBiosObj.do_prepare_partition(
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part,
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source_params,
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creator,
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cr_workdir,
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oe_builddir,
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bootimg_dir,
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kernel_dir,
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rootfs_dir,
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native_sysroot)
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