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-rw-r--r--meta/classes/boot-directdisk.bbclass94
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diff --git a/meta/classes/boot-directdisk.bbclass b/meta/classes/boot-directdisk.bbclass
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--- a/meta/classes/boot-directdisk.bbclass
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-# 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
-
-# ${ROOTFS} - the rootfs image to incorporate
-
-do_bootdirectdisk[depends] += "dosfstools-native:do_populate_sysroot \
- syslinux:do_populate_sysroot \
- syslinux-native:do_populate_sysroot \
- parted-native:do_populate_sysroot \
- mtools-native:do_populate_sysroot "
-
-PACKAGES = " "
-EXCLUDE_FROM_WORLD = "1"
-
-HDDDIR = "${S}/hdd/boot"
-HDDIMG = "${S}/hdd.image"
-
-BOOTDD_VOLUME_ID ?= "boot"
-BOOTDD_EXTRA_SPACE ?= "16384"
-
-# Get the build_syslinux_cfg() function from the syslinux class
-
-AUTO_SYSLINUXCFG = "1"
-LABELS = "boot"
-APPEND = "root=/dev/sda2"
-TIMEOUT = "10"
-SYSLINUXCFG = "${HDDDIR}/syslinux.cfg"
-SYSLINUXMENU = "${HDDDIR}/menu"
-
-inherit syslinux
-
-build_boot_dd() {
- IMAGE=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hdddirect
-
- install -d ${HDDDIR}
- install -m 0644 ${STAGING_DIR_HOST}/kernel/bzImage ${HDDDIR}/vmlinuz
- install -m 444 ${STAGING_LIBDIR}/syslinux/ldlinux.sys ${HDDDIR}/ldlinux.sys
-
- BLOCKS=`du -bks ${HDDDIR} | cut -f 1`
- SIZE=`expr $BLOCKS + ${BOOTDD_EXTRA_SPACE}`
-
- mkdosfs -n ${BOOTDD_VOLUME_ID} -d ${HDDDIR} -C ${HDDIMG} $SIZE
- syslinux ${HDDIMG}
- chmod 644 ${HDDIMG}
-
- ROOTFSBLOCKS=`du -Lbks ${ROOTFS} | cut -f 1`
- TOTALSIZE=`expr $SIZE + $ROOTFSBLOCKS`
- END1=`expr $SIZE \* 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
-
- OFFSET=`expr $END2 / 512`
- dd if=${STAGING_LIBDIR}/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() {
- bb.build.exec_func('build_syslinux_cfg', d)
- bb.build.exec_func('build_boot_dd', d)
-}
-
-addtask bootdirectdisk before do_build
-do_bootdirectdisk[nostamp] = "1"