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Diffstat (limited to 'meta/classes/boot-directdisk.bbclass')
| -rw-r--r-- | meta/classes/boot-directdisk.bbclass | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/meta/classes/boot-directdisk.bbclass b/meta/classes/boot-directdisk.bbclass deleted file mode 100644 index 46f88ac9bf..0000000000 --- a/meta/classes/boot-directdisk.bbclass +++ /dev/null @@ -1,190 +0,0 @@ -# boot-directdisk.bbclass -# (loosly based off bootimg.bbclass Copyright (C) 2004, Advanced Micro Devices, Inc.) -# -# Create an image which can be placed directly onto a harddisk using dd and then -# booted. -# -# This uses syslinux. extlinux would have been nice but required the ext2/3 -# partition to be mounted. grub requires to run itself as part of the install -# process. -# -# The end result is a 512 boot sector populated with an MBR and partition table -# followed by an msdos fat16 partition containing syslinux and a linux kernel -# completed by the ext2/3 rootfs. -# -# We have to push the msdos parition table size > 16MB so fat 16 is used as parted -# won't touch fat12 partitions. - -# External variables needed - -# ${ROOTFS} - the rootfs image to incorporate - -do_bootdirectdisk[depends] += "dosfstools-native:do_populate_sysroot \ - virtual/kernel:do_deploy \ - syslinux:do_populate_sysroot \ - syslinux-native:do_populate_sysroot \ - parted-native:do_populate_sysroot \ - mtools-native:do_populate_sysroot " - -PACKAGES = " " -EXCLUDE_FROM_WORLD = "1" - -BOOTDD_VOLUME_ID ?= "boot" -BOOTDD_EXTRA_SPACE ?= "16384" - -EFI = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "1", "0", d)}" -EFI_PROVIDER ?= "grub-efi" -EFI_CLASS = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "${EFI_PROVIDER}", "", d)}" - -# Include legacy boot if MACHINE_FEATURES includes "pcbios" or if it does not -# contain "efi". This way legacy is supported by default if neither is -# specified, maintaining the original behavior. -def pcbios(d): - pcbios = bb.utils.contains("MACHINE_FEATURES", "pcbios", "1", "0", d) - if pcbios == "0": - pcbios = bb.utils.contains("MACHINE_FEATURES", "efi", "0", "1", d) - return pcbios - -def pcbios_class(d): - if d.getVar("PCBIOS", True) == "1": - return "syslinux" - return "" - -PCBIOS = "${@pcbios(d)}" -PCBIOS_CLASS = "${@pcbios_class(d)}" - -# Get the build_syslinux_cfg() function from the syslinux class -inherit ${PCBIOS_CLASS} -inherit ${EFI_CLASS} - -DISK_SIGNATURE ?= "${DISK_SIGNATURE_GENERATED}" -ROOT_VM ?= "root=/dev/sda2" - -boot_direct_populate() { - dest=$1 - install -d $dest - - # Install bzImage, initrd, and rootfs.img in DEST for all loaders to use. - if [ -e ${DEPLOY_DIR_IMAGE}/bzImage ]; then - install -m 0644 ${DEPLOY_DIR_IMAGE}/bzImage $dest/vmlinuz - fi - - # initrd is made of concatenation of multiple filesystem images - if [ -n "${INITRD}" ]; then - rm -f $dest/initrd - for fs in ${INITRD} - do - if [ -s "${fs}" ]; then - cat ${fs} >> $dest/initrd - else - bbfatal "${fs} is invalid. initrd image creation failed." - fi - done - chmod 0644 $dest/initrd - fi -} - -build_boot_dd() { - HDDDIR="${S}/hdd/boot" - HDDIMG="${S}/hdd.image" - IMAGE=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect - - boot_direct_populate $HDDDIR - - if [ "${PCBIOS}" = "1" ]; then - syslinux_hddimg_populate $HDDDIR - fi - if [ "${EFI}" = "1" ]; then - efi_hddimg_populate $HDDDIR - fi - - if [ "x${AUTO_SYSLINUXMENU}" = "x1" ] ; then - install -m 0644 ${STAGING_DIR}/${MACHINE}/usr/share/syslinux/vesamenu.c32 $HDDDIR/${SYSLINUXDIR}/ - if [ "x${SYSLINUX_SPLASH}" != "x" ] ; then - install -m 0644 ${SYSLINUX_SPLASH} $HDDDIR/${SYSLINUXDIR}/splash.lss - fi - fi - - BLOCKS=`du -bks $HDDDIR | cut -f 1` - BLOCKS=`expr $BLOCKS + ${BOOTDD_EXTRA_SPACE}` - - # Ensure total sectors is an integral number of sectors per - # track or mcopy will complain. Sectors are 512 bytes, and we - # generate images with 32 sectors per track. This calculation is - # done in blocks, thus the mod by 16 instead of 32. - BLOCKS=$(expr $BLOCKS + $(expr 16 - $(expr $BLOCKS % 16))) - - # Remove it since mkdosfs would fail when it exists - rm -f $HDDIMG - mkdosfs -n ${BOOTDD_VOLUME_ID} -S 512 -C $HDDIMG $BLOCKS - mcopy -i $HDDIMG -s $HDDDIR/* ::/ - - if [ "${PCBIOS}" = "1" ]; then - syslinux_hdddirect_install $HDDIMG - fi - chmod 644 $HDDIMG - - ROOTFSBLOCKS=`du -Lbks ${ROOTFS} | cut -f 1` - TOTALSIZE=`expr $BLOCKS + $ROOTFSBLOCKS` - END1=`expr $BLOCKS \* 1024` - END2=`expr $END1 + 512` - END3=`expr \( $ROOTFSBLOCKS \* 1024 \) + $END1` - - echo $ROOTFSBLOCKS $TOTALSIZE $END1 $END2 $END3 - rm -rf $IMAGE - dd if=/dev/zero of=$IMAGE bs=1024 seek=$TOTALSIZE count=1 - - parted $IMAGE mklabel msdos - parted $IMAGE mkpart primary fat16 0 ${END1}B - parted $IMAGE unit B mkpart primary ext2 ${END2}B ${END3}B - parted $IMAGE set 1 boot on - - parted $IMAGE print - - awk "BEGIN { printf \"$(echo ${DISK_SIGNATURE} | fold -w 2 | tac | paste -sd '' | sed 's/\(..\)/\\x&/g')\" }" | \ - dd of=$IMAGE bs=1 seek=440 conv=notrunc - - OFFSET=`expr $END2 / 512` - if [ "${PCBIOS}" = "1" ]; then - dd if=${STAGING_DATADIR}/syslinux/mbr.bin of=$IMAGE conv=notrunc - fi - - dd if=$HDDIMG of=$IMAGE conv=notrunc seek=1 bs=512 - dd if=${ROOTFS} of=$IMAGE conv=notrunc seek=$OFFSET bs=512 - - cd ${DEPLOY_DIR_IMAGE} - rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hdddirect - ln -s ${IMAGE_NAME}.hdddirect ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hdddirect -} - -python do_bootdirectdisk() { - validate_disk_signature(d) - set_live_vm_vars(d, 'VM') - if d.getVar("PCBIOS", True) == "1": - bb.build.exec_func('build_syslinux_cfg', d) - if d.getVar("EFI", True) == "1": - bb.build.exec_func('build_efi_cfg', d) - bb.build.exec_func('build_boot_dd', d) -} - -def generate_disk_signature(): - import uuid - - signature = str(uuid.uuid4())[:8] - - if signature != '00000000': - return signature - else: - return 'ffffffff' - -def validate_disk_signature(d): - import re - - disk_signature = d.getVar("DISK_SIGNATURE", True) - - if not re.match(r'^[0-9a-fA-F]{8}$', disk_signature): - bb.fatal("DISK_SIGNATURE '%s' must be an 8 digit hex string" % disk_signature) - -DISK_SIGNATURE_GENERATED := "${@generate_disk_signature()}" - -addtask bootdirectdisk before do_image_complete |