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)
209
sources/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
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209
sources/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
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#
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# Copyright (c) 2014, Intel Corporation.
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# DESCRIPTION
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# This implements the 'bootimg-pcbios' source plugin class for 'wic'
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#
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# AUTHORS
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# Tom Zanussi <tom.zanussi (at] linux.intel.com>
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#
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import logging
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import os
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import re
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from wic import WicError
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from wic.engine import get_custom_config
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from wic.pluginbase import SourcePlugin
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from wic.misc import (exec_cmd, exec_native_cmd,
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get_bitbake_var, BOOTDD_EXTRA_SPACE)
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logger = logging.getLogger('wic')
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class BootimgPcbiosPlugin(SourcePlugin):
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"""
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Create MBR boot partition and install syslinux on it.
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"""
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name = 'bootimg-pcbios'
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@classmethod
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def _get_bootimg_dir(cls, bootimg_dir, dirname):
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"""
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Check if dirname exists in default bootimg_dir or in STAGING_DIR.
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"""
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staging_datadir = get_bitbake_var("STAGING_DATADIR")
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for result in (bootimg_dir, staging_datadir):
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if os.path.exists("%s/%s" % (result, dirname)):
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return result
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# STAGING_DATADIR is expanded with MLPREFIX if multilib is enabled
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# but dependency syslinux is still populated to original STAGING_DATADIR
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nonarch_datadir = re.sub('/[^/]*recipe-sysroot', '/recipe-sysroot', staging_datadir)
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if os.path.exists(os.path.join(nonarch_datadir, dirname)):
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return nonarch_datadir
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raise WicError("Couldn't find correct bootimg_dir, exiting")
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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. In this case, we install the MBR.
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"""
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bootimg_dir = cls._get_bootimg_dir(bootimg_dir, 'syslinux')
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mbrfile = "%s/syslinux/" % bootimg_dir
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if creator.ptable_format == 'msdos':
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mbrfile += "mbr.bin"
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elif creator.ptable_format == 'gpt':
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mbrfile += "gptmbr.bin"
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else:
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raise WicError("Unsupported partition table: %s" %
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creator.ptable_format)
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if not os.path.exists(mbrfile):
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raise WicError("Couldn't find %s. If using the -e option, do you "
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"have the right MACHINE set in local.conf? If not, "
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"is the bootimg_dir path correct?" % mbrfile)
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full_path = creator._full_path(workdir, disk_name, "direct")
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logger.debug("Installing MBR on disk %s as %s with size %s bytes",
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disk_name, full_path, disk.min_size)
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dd_cmd = "dd if=%s of=%s conv=notrunc" % (mbrfile, full_path)
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exec_cmd(dd_cmd, 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(), creates syslinux config
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"""
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hdddir = "%s/hdd/boot" % cr_workdir
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install_cmd = "install -d %s" % hdddir
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exec_cmd(install_cmd)
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bootloader = creator.ks.bootloader
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custom_cfg = None
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if bootloader.configfile:
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custom_cfg = get_custom_config(bootloader.configfile)
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if custom_cfg:
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# Use a custom configuration for grub
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syslinux_conf = custom_cfg
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logger.debug("Using custom configuration file %s "
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"for syslinux.cfg", bootloader.configfile)
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else:
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raise WicError("configfile is specified but failed to "
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"get it from %s." % bootloader.configfile)
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if not custom_cfg:
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# Create syslinux configuration using parameters from wks file
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splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg")
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if os.path.exists(splash):
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splashline = "menu background splash.jpg"
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else:
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splashline = ""
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syslinux_conf = ""
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syslinux_conf += "PROMPT 0\n"
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syslinux_conf += "TIMEOUT " + str(bootloader.timeout) + "\n"
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syslinux_conf += "\n"
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syslinux_conf += "ALLOWOPTIONS 1\n"
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syslinux_conf += "SERIAL 0 115200\n"
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syslinux_conf += "\n"
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if splashline:
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syslinux_conf += "%s\n" % splashline
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syslinux_conf += "DEFAULT boot\n"
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syslinux_conf += "LABEL boot\n"
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kernel = "/" + get_bitbake_var("KERNEL_IMAGETYPE")
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syslinux_conf += "KERNEL " + kernel + "\n"
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syslinux_conf += "APPEND label=boot root=%s %s\n" % \
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(creator.rootdev, bootloader.append)
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logger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg",
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cr_workdir)
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cfg = open("%s/hdd/boot/syslinux.cfg" % cr_workdir, "w")
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cfg.write(syslinux_conf)
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cfg.close()
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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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In this case, prepare content for legacy bios boot partition.
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"""
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bootimg_dir = cls._get_bootimg_dir(bootimg_dir, 'syslinux')
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staging_kernel_dir = kernel_dir
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hdddir = "%s/hdd/boot" % cr_workdir
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kernel = get_bitbake_var("KERNEL_IMAGETYPE")
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if get_bitbake_var("INITRAMFS_IMAGE_BUNDLE") == "1":
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if get_bitbake_var("INITRAMFS_IMAGE"):
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kernel = "%s-%s.bin" % \
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(get_bitbake_var("KERNEL_IMAGETYPE"), get_bitbake_var("INITRAMFS_LINK_NAME"))
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cmds = ("install -m 0644 %s/%s %s/%s" %
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(staging_kernel_dir, kernel, hdddir, get_bitbake_var("KERNEL_IMAGETYPE")),
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"install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" %
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(bootimg_dir, hdddir),
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"install -m 0644 %s/syslinux/vesamenu.c32 %s/vesamenu.c32" %
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(bootimg_dir, hdddir),
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"install -m 444 %s/syslinux/libcom32.c32 %s/libcom32.c32" %
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(bootimg_dir, hdddir),
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"install -m 444 %s/syslinux/libutil.c32 %s/libutil.c32" %
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(bootimg_dir, hdddir))
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for install_cmd in cmds:
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exec_cmd(install_cmd)
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du_cmd = "du -bks %s" % hdddir
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out = exec_cmd(du_cmd)
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blocks = int(out.split()[0])
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extra_blocks = part.get_extra_block_count(blocks)
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if extra_blocks < BOOTDD_EXTRA_SPACE:
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extra_blocks = BOOTDD_EXTRA_SPACE
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blocks += extra_blocks
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logger.debug("Added %d extra blocks to %s to get to %d total blocks",
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extra_blocks, part.mountpoint, blocks)
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# dosfs image, created by mkdosfs
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bootimg = "%s/boot%s.img" % (cr_workdir, part.lineno)
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label = part.label if part.label else "boot"
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dosfs_cmd = "mkdosfs -n %s -i %s -S 512 -C %s %d" % \
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(label, part.fsuuid, bootimg, blocks)
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exec_native_cmd(dosfs_cmd, native_sysroot)
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mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
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exec_native_cmd(mcopy_cmd, native_sysroot)
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syslinux_cmd = "syslinux %s" % bootimg
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exec_native_cmd(syslinux_cmd, native_sysroot)
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chmod_cmd = "chmod 644 %s" % bootimg
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exec_cmd(chmod_cmd)
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du_cmd = "du -Lbks %s" % bootimg
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out = exec_cmd(du_cmd)
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bootimg_size = out.split()[0]
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part.size = int(bootimg_size)
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part.source_file = bootimg
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