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#
# mk-images.efi
#
# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
makeefibootdisk()
{
partimg=$1
target=$2
if [ ! -f $1 ]; then
return
fi
local partsize=$(ls -l $1 | awk '{ print $5; }')
local disksize=$((17408 + $partsize + 17408))
disksize=$(($disksize + $(($disksize % 512))))
local diskimg=$(mktemp /tmp/efidisk.img.XXXXXX)
dd if=/dev/zero of=$diskimg count=1 bs=$disksize
local loop=$(losetup -v -f $diskimg | awk '{ print $4 }')
dmsetup create efiboot$$ --table "0 $(($disksize / 512)) linear $loop 0"
parted --script /dev/mapper/efiboot$$ mklabel gpt unit b mkpart '"EFI System Partition"' fat32 17408 $((17408 + $partsize)) set 1 boot on
dd if=$partimg of=/dev/mapper/efiboot$$p1
dmsetup remove /dev/mapper/efiboot$$p1
dmsetup remove /dev/mapper/efiboot$$
losetup -d $loop
mv -v $diskimg $target
chmod a+r $target
}
#makeefibootimage required for EFI bootloader dosfs image
makeefibootimage() {
echo "in makeefibootimage: makeefibootimage $@"
MBD_FILENAME=""
KERNELFILE=""
INITRDFILE=""
grubpkg=""
MBD_TMPIMAGE=${TMPDIR:-/tmp}/makebootdisk.image.$$
MBD_BOOTTREE=${TMPDIR:-/tmp}/makebootdisk.tree.$$
MBD_BOOTTREE_TMP=$MBD_BOOTTREE'_tmp'
while [ x$(echo $1 | cut -c1-2) = x"--" ]; do
if [ $1 = "--kernel" ]; then
KERNELFILE=$2
shift; shift
continue
elif [ $1 = "--kernelpath" ]; then
KERNELPATH=$2
shift; shift
continue
elif [ $1 = "--initrd" ]; then
INITRDFILE=$2
shift; shift
continue
elif [ $1 = "--initrdpath" ]; then
INITRDPATH=$2
shift; shift
continue
elif [ $1 = "--imagename" ]; then
MBD_FILENAME=$IMAGEPATH/$2
shift; shift
continue
elif [ $1 = "--grubpkg" ]; then
grubpkg=$2
echo "grubpkg=$grubpkg"
shift; shift
continue
fi
echo "Unknown option passed to makebootdisk: \"$1\""
exit 1
done
if [ -z "$MBD_FILENAME" ]; then
echo "No imagename passed"
exit 1
fi
MBD_FSIMAGE="$INITRDFILE"
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
prepareEfiImage
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" -a -n "$MBD_FSIMAGE" ]; then
rm -f $MBD_FSIMAGE
fi
chmod a+r $MBD_FILENAME
echo "Wrote $MBD_FILENAME (${left}k free)"
}
# prepare and build an efiboot.img.
prepareEfiImage() {
echo "in prepareEfiImage"
prepareEfiTree || return 1
# 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 efiboot.img dosfs is $BOOTDISKSIZE"
mkdosfs -n ANACONDA -C $MBD_FILENAME $BOOTDISKSIZE >/dev/null
mount -o loop,shortname=winnt,umask=0077 -t vfat $MBD_FILENAME $MBD_BOOTTREE
cp -R $MBD_BOOTTREE_TMP/* $MBD_BOOTTREE
}
# prepare a directory with the kernel, initrd, and various message files
# used to populate the efi boot image
prepareEfiTree() {
echo "in prepareEfiTree"
mkdir -p $MBD_BOOTTREE_TMP/EFI/BOOT
cp -av $BOOTDISKDIR/*.conf $MBD_BOOTTREE_TMP/EFI/BOOT/
[ -n "$KERNELFILE" ] && cp -av $KERNELFILE $MBD_BOOTTREE_TMP/EFI/BOOT/vmlinuz
[ -n "$INITRDFILE" ] && cp -av $INITRDFILE $MBD_BOOTTREE_TMP/EFI/BOOT/initrd.img
[ -z "$KERNELPATH" ] && KERNELPATH="/EFI/BOOT/vmlinuz"
[ -z "$INITRDPATH" ] && INITRDPATH="/EFI/BOOT/initrd.img"
SPLASHPATH="/EFI/BOOT/splash.xpm.gz"
sed -e "s/@PRODUCT@/$PRODUCT/g" \
-e "s/@VERSION@/$VERSION/g" \
-e "s,@KERNELPATH@,$KERNELPATH,g" \
-e "s,@INITRDPATH@,$INITRDPATH,g" \
-e "s,@SPLASHPATH@,$SPLASHPATH,g" \
-i $MBD_BOOTTREE_TMP/EFI/BOOT/grub.conf
ydcmd="yumdownloader -c $yumconf $grubpkg"
echo "(grubpkg) $ydcmd"
$ydcmd
rpm2cpio $grubpkg.rpm | (cd $KERNELROOT; cpio --quiet -iumd)
cp -av $KERNELROOT/boot/efi/EFI/redhat/grub.efi $MBD_BOOTTREE_TMP/EFI/BOOT/grub.efi
# The first generation Mactel machines get the bootloader name wrong
# as per the spec. Awesome, guys.
if [ "$efiarch" == "ia32" ]; then
cp -av $MBD_BOOTTREE_TMP/EFI/BOOT/grub.efi $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT.efi
cp -av $MBD_BOOTTREE_TMP/EFI/BOOT/grub.conf $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT.conf
fi
local tmpefiarch=${efiarch}
case ${efiarch} in
x64) tmpefiarch="X64" ;;
ia32) tmpefiarch="IA32" ;;
esac
mv -v $MBD_BOOTTREE_TMP/EFI/BOOT/grub.efi $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT${tmpefiarch}.efi
mv -v $MBD_BOOTTREE_TMP/EFI/BOOT/grub.conf $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT${tmpefiarch}.conf
artpkg=$(repoquery --qf "%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}" --whatprovides ${brandpkgname}-logos | grep -v generic-logos | head -1)
if [ -z "$artpkg" ]; then
argpkg="generic-logos"
fi
ydcmd="yumdownloader -c ${yumconf} ${artpkg}"
echo "(artpkg) $ydcmd"
$ydcmd
rpm2cpio ${artpkg}.rpm | (cd $KERNELROOT; cpio --quiet -iumd)
cp -av $KERNELROOT/boot/grub/splash.xpm.gz $MBD_BOOTTREE_TMP/$SPLASHPATH
# if we don't have a kernel or initrd, we're making a CD image and we need
# to mirror EFI/ to the cd.
if [ -z "$KERNELFILE" -a -z "$INITRDFILE" ]; then
cp -av $MBD_BOOTTREE_TMP/EFI/ $TOPDESTPATH/EFI/
rm -f $TOPDESTPATH/EFI/BOOT/*.efi
fi
}
makeEfiImages() {
echo "in makeEfiImages"
yumconf="$1"
echo "Making EFI images ($PWD)"
if [ "$kernelvers" != "$kernelxen" ]; then
local grubarch=${efiarch}
case ${efiarch} in
ia32) grubarch=i?86 ;;
x64) grubarch=x86_64 ;;
esac
grubpkg=$(repoquery --qf "%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}" -c $yumconf grub.$grubarch)
if [ -z "$grubpkg" ]; then
echo "cannot find package grub.$grubarch" >&2
return 1
fi
echo "Building efiboot.img for ${efiarch}/$KERNELARCH at $TOPDESTPATH/images/efiboot.img"
echo "grubpkg: ${grubpkg}"
makeefibootimage \
--imagename efiboot.img \
--kernel $TOPDESTPATH/images/pxeboot/vmlinuz \
--initrd $TOPDESTPATH/images/pxeboot/initrd.img \
--grubpkg ${grubpkg}
local ret=$?
if [ $ret -ne 0 ]; then
echo "makeefibootimage (1) failed" >&2
return $ret
fi
makeefibootdisk $TOPDESTPATH/images/efiboot.img $TOPDESTPATH/images/efidisk.img
local ret=$?
[ $ret -eq 0 ] || return $ret
rm -vf $TOPDESTPATH/images/efiboot.img
# make a boot image with just boot*.efi in it...
makeefibootimage \
--imagename efiboot.img \
--kernelpath /images/pxeboot/vmlinuz \
--initrdpath /images/pxeboot/initrd.img \
--grubpkg ${grubpkg}
local ret=$?
if [ $ret -ne 0 ]; then
echo "makeefibootimage (2) failed" >&2
fi
return $ret
fi
return 0
}
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