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#!/bin/bash
#makebootdisk required for EFI bootloader dosfs image
makebootdisk() {
EXTRAKERNELPATH=""
INITRDFLAGS=""
MBD_FILENAME=""
INITRDFILE=""
MBD_TMPIMAGE=/tmp/makebootdisk.image.$$
MBD_BOOTTREE=/tmp/makebootdisk.tree.$$
MBD_BOOTTREE_TMP=$MBD_BOOTTREE'_tmp'
while [ x$(echo $1 | cut -c1-2) = x"--" ]; do
if [ $1 = "--kernelto" ]; then
EXTRAKERNELPATH=$2
shift; shift
continue
elif [ $1 = "--initrdflags" ]; then
INITRDFLAGS=$2
shift; shift
continue
elif [ $1 = "--initrd" ]; then
INITRDFILE=$2
shift; shift
continue
elif [ $1 = "--imagename" ]; then
MBD_FILENAME=$IMAGEPATH/$2
shift; shift
continue
fi
echo "Unknown option passed to makebootdisk"
exit 1
done
if [ -z "$MBD_FILENAME" ]; then
echo "No imagename passed"
exit 1
fi
if [ -n "$INITRDFILE" ]; then
MBD_FSIMAGE="$INITRDFILE"
elif [ -n "$INITRDFLAGS" ]; then
eval makeinitrd --keep $INITRDFLAGS
fi
mkdir -p $MBD_BOOTTREE
mkdir -p $MBD_BOOTTREE_TMP
rm -rf $MBD_BOOTTREE_TMP
mkdir -p $MBD_TMPIMAGE
# provided by the mk-image.$ARCH file
prepareBootImage
left=$(df $MBD_BOOTTREE | tail -n1)
left=$(echo $left | awk '{print $4'})
umount $MBD_BOOTTREE
if [ -n "$EXTRAKERNELPATH" ]; then
mkdir -p `dirname $EXTRAKERNELPATH`
cp -f $KERNELROOT/$KERNELDIR/${KERNELNAME}-* $EXTRAKERNELPATH
fi
mkdir -p `dirname $MBD_FILENAME`
rm -rf $MBD_TMPIMAGE $MBD_MNTPOINT $MBD_BOOTTREE
if [ -z "$INITRDFILE" ]; then
rm -f $MBD_FSIMAGE
fi
echo "Wrote $MBD_FILENAME (${left}k free)"
}
prepareBootImage() {
prepareBootTree
# dynamically calculate the size of the dosfs
BOOTDISKSIZE=$(du -kcs $MBD_BOOTTREE_TMP | tail -n1 | awk '{print $1}')
BOOTDISKSIZE=$(expr $BOOTDISKSIZE + 100)
echo "The size of the boot.img dosfs is $BOOTDISKSIZE"
dd if=/dev/zero bs=1k count=$BOOTDISKSIZE of=$MBD_FILENAME 2>/dev/null
mkdosfs -C $MBD_FILENAME $BOOTDISKSIZE >/dev/null
mount -o loop -t vfat $MBD_FILENAME $MBD_BOOTTREE
cp -R $MBD_BOOTTREE_TMP/* $MBD_BOOTTREE
}
prepareBootTree() {
mkdir -p $MBD_BOOTTREE_TMP/EFI/boot
cp $MBD_FSIMAGE $MBD_BOOTTREE_TMP/EFI/boot/initrd.img
cp -a $BOOTDISKDIR/* $MBD_BOOTTREE_TMP/EFI/boot/
cp $KERNELROOT/boot/efi/EFI/redhat/vmlinuz-* $MBD_BOOTTREE_TMP/EFI/boot/vmlinuz
cp $MBD_BOOTTREE_TMP/EFI/boot/elilo.efi $MBD_BOOTTREE_TMP/EFI/boot/bootia64.efi
cat > $MBD_BOOTTREE_TMP/EFI/boot/elilo.conf << EOF
prompt
timeout=50
relocatable
image=vmlinuz
label=linux
read-only
initrd=initrd.img
EOF
# make a copy in the root of the image
cp $MBD_BOOTTREE_TMP/EFI/boot/* $MBD_BOOTTREE_TMP
}
makeBootImages() {
# Because ia64 boxes use EFI there needs to be a boot.img dosfs.
echo "making boot.img for EFI bootloader"
makebootdisk --kernelto $TOPDESTPATH/kernels/vmlinuz \
--imagename boot.img \
--initrdflags '--initrdto $TOPDESTPATH/images/ramdisk.img \
--initrdsize 12288 \
--loaderbin loader \
--modules "$INITRDMODS sgiioc4" '
mkdir -p $TOPDESTPATH/images/pxeboot
makeinitrd --initrdto $TOPDESTPATH/images/pxeboot/initrd.img \
--initrdsize 12288 \
--loaderbin loader \
--modules "$INITRDMODS sgiioc4"
[ $? = 0 ] || exit 1
# make a boot iso
mkdir -p $TOPDESTPATH/images/isopath
cp -l $TOPDESTPATH/images/boot.img $TOPDESTPATH/images/isopath
mkisofs -quiet -o $TOPDESTPATH/images/boot.iso -b boot.img -no-emul-boot -R -J -V "$PRODUCT" -T $TOPDESTPATH/images/isopath
rm -rf $TOPDESTPATH/images/isopath
# make a pxe dir with kernel + initrd
cat > $TOPDESTPATH/images/pxeboot/README <<EOF
The files in this directory are useful for booting a machine via PXE.
The following files are available:
vmlinuz - the kernel used for the installer
initrd.img - an initrd with support for all install methods and
drivers supported for installation of $PRODUCT
EOF
}
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