diff options
Diffstat (limited to 'meta/classes/boot-directdisk.bbclass')
| -rw-r--r-- | meta/classes/boot-directdisk.bbclass | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/meta/classes/boot-directdisk.bbclass b/meta/classes/boot-directdisk.bbclass deleted file mode 100644 index 8a55aae6a3..0000000000 --- a/meta/classes/boot-directdisk.bbclass +++ /dev/null @@ -1,118 +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 - -# ${ROOTFS} - the rootfs image to incorporate - -do_bootdirectdisk[depends] += "dosfstools-native:do_populate_sysroot \ - syslinux:do_populate_sysroot \ - syslinux-native:do_populate_sysroot \ - parted-native:do_populate_sysroot \ - mtools-native:do_populate_sysroot " - -PACKAGES = " " -EXCLUDE_FROM_WORLD = "1" - -BOOTDD_VOLUME_ID ?= "boot" -BOOTDD_EXTRA_SPACE ?= "16384" - -# Get the build_syslinux_cfg() function from the syslinux class - -AUTO_SYSLINUXCFG = "1" -DISK_SIGNATURE ?= "${DISK_SIGNATURE_GENERATED}" -SYSLINUX_ROOT ?= "root=/dev/sda2" -SYSLINUX_TIMEOUT ?= "10" - -inherit syslinux - -build_boot_dd() { - HDDDIR="${S}/hdd/boot" - HDDIMG="${S}/hdd.image" - IMAGE=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect - - install -d $HDDDIR - install -m 0644 ${STAGING_KERNEL_DIR}/bzImage $HDDDIR/vmlinuz - install -m 0644 ${S}/syslinux.cfg $HDDDIR/syslinux.cfg - install -m 444 ${STAGING_DATADIR}/syslinux/ldlinux.sys $HDDDIR/ldlinux.sys - - 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))) - - mkdosfs -n ${BOOTDD_VOLUME_ID} -S 512 -C $HDDIMG $BLOCKS - mcopy -i $HDDIMG -s $HDDDIR/* ::/ - - syslinux $HDDIMG - 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 $END2 / 512` - dd if=${STAGING_DATADIR}/syslinux/mbr.bin of=$IMAGE conv=notrunc - dd if=$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) - bb.build.exec_func('build_syslinux_cfg', d) - bb.build.exec_func('build_boot_dd', d) -} - -def generate_disk_signature(): - import uuid - - return str(uuid.uuid4())[:8] - -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_build |