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259 lines
8.5 KiB
259 lines
8.5 KiB
#
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# mk-images.efi
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#
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# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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makeefibootdisk()
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{
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partimg=$1 && shift
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target=$1 && shift
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if [ ! -f $1 ]; then
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return
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fi
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local partsize=$(/bin/ls -l $partimg | awk '{ print $5; }')
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local disksize=$((17408 + $partsize + 17408))
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disksize=$(($disksize + $(($disksize % 512))))
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local diskimg=$(mktemp /tmp/efidisk.img.XXXXXX)
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dd if=/dev/zero of=$diskimg count=1 bs=$disksize
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MAKEDEV /dev/loop
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local loop=$(losetup -v -f $diskimg | awk '{ print $4 }')
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echo "loop is $loop"
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ls -l $loop
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dmsetup create efiboot$$ --table "0 $(($disksize / 512)) linear $loop 0"
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dmsetup mknodes efiboot$$
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echo "efiboot$$ should exist"
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ls -l /dev/mapper/efiboot$$*
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parted --script /dev/mapper/efiboot$$ mklabel gpt unit b mkpart '"EFI System Partition"' fat32 17408 $((17408 + $partsize)) set 1 boot on
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dmsetup mknodes efiboot$$p1 || :
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echo "efiboot$$p1 should exist"
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ls -l /dev/mapper/efiboot$$*
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dmsetup ls
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dmsetup table
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dd if=$partimg of=/dev/mapper/efiboot$$p1
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echo "dd-ing $partimg to /dev/mapper/efiboot$$p1"
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# the next two lines seem to depend on the exact version of parted :/
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dmsetup remove -f /dev/mapper/efiboot$$p1 || :
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dmsetup remove -f /dev/mapper/efiboot$$
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losetup -d $loop
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mv -v $diskimg $target
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chmod a+r $target
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}
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#makeefibootimage required for EFI bootloader dosfs image
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makeefibootimage() {
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echo "in makeefibootimage: makeefibootimage $@"
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MBD_FILENAME=""
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KERNELFILE=""
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INITRDFILE=""
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grubpkg=""
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MBD_TMPIMAGE=${TMPDIR:-/tmp}/makebootdisk.image.$$
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MBD_BOOTTREE=${TMPDIR:-/tmp}/makebootdisk.tree.$$
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MBD_BOOTTREE_TMP=$MBD_BOOTTREE'_tmp'
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while [ x$(echo $1 | cut -c1-2) = x"--" ]; do
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if [ $1 = "--kernel" ]; then
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KERNELFILE=$2
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shift; shift
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continue
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elif [ $1 = "--kernelpath" ]; then
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KERNELPATH=$2
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shift; shift
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continue
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elif [ $1 = "--initrd" ]; then
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INITRDFILE=$2
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shift; shift
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continue
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elif [ $1 = "--initrdpath" ]; then
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INITRDPATH=$2
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shift; shift
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continue
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elif [ $1 = "--imagename" ]; then
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MBD_FILENAME=$IMAGEPATH/$2
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shift; shift
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continue
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elif [ $1 = "--grubpkg" ]; then
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grubpkg=$2
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echo "grubpkg=$grubpkg"
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shift; shift
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continue
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fi
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echo "Unknown option passed to makebootdisk: \"$1\""
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exit 1
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done
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if [ -z "$MBD_FILENAME" ]; then
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echo "No imagename passed"
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exit 1
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fi
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MBD_FSIMAGE="$INITRDFILE"
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mkdir -p $MBD_BOOTTREE
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mkdir -p $MBD_BOOTTREE_TMP
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rm -rf $MBD_BOOTTREE_TMP
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mkdir -p $MBD_TMPIMAGE
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# provided by the mk-image.$ARCH file
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prepareEfiImage
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left=$(df $MBD_BOOTTREE | tail -n1)
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left=$(echo $left | awk '{print $4'})
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umount $MBD_BOOTTREE
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if [ -n "$EXTRAKERNELPATH" ]; then
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mkdir -p `dirname $EXTRAKERNELPATH`
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cp -f $KERNELROOT/$KERNELDIR/${KERNELNAME}-* $EXTRAKERNELPATH
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fi
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mkdir -p `dirname $MBD_FILENAME`
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rm -rf $MBD_TMPIMAGE $MBD_MNTPOINT $MBD_BOOTTREE
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if [ -z "$INITRDFILE" -a -n "$MBD_FSIMAGE" ]; then
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rm -f $MBD_FSIMAGE
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fi
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chmod a+r $MBD_FILENAME
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echo "Wrote $MBD_FILENAME (${left}k free)"
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}
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# prepare and build an efiboot.img.
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prepareEfiImage() {
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echo "in prepareEfiImage"
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prepareEfiTree || return 1
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# dynamically calculate the size of the dosfs
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BOOTDISKSIZE=$(du -kcs $MBD_BOOTTREE_TMP | tail -n1 | awk '{print $1}')
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BOOTDISKSIZE=$(expr $BOOTDISKSIZE + 100)
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echo "The size of the efiboot.img dosfs is ${BOOTDISKSIZE}k"
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mkdosfs -n ANACONDA -C $MBD_FILENAME $BOOTDISKSIZE >/dev/null
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mount -o loop,shortname=winnt,umask=0077 -t vfat $MBD_FILENAME $MBD_BOOTTREE
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cp -R $MBD_BOOTTREE_TMP/* $MBD_BOOTTREE
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}
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# prepare a directory with the kernel, initrd, and various message files
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# used to populate the efi boot image
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prepareEfiTree() {
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echo "in prepareEfiTree"
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mkdir -p $MBD_BOOTTREE_TMP/EFI/BOOT
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cp -av $BOOTDISKDIR/*.conf $MBD_BOOTTREE_TMP/EFI/BOOT/
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[ -n "$KERNELFILE" ] && cp -av $KERNELFILE $MBD_BOOTTREE_TMP/EFI/BOOT/vmlinuz
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[ -n "$INITRDFILE" ] && cp -av $INITRDFILE $MBD_BOOTTREE_TMP/EFI/BOOT/initrd.img
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[ -z "$KERNELPATH" ] && KERNELPATH="/EFI/BOOT/vmlinuz"
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[ -z "$INITRDPATH" ] && INITRDPATH="/EFI/BOOT/initrd.img"
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SPLASHPATH="/EFI/BOOT/splash.xpm.gz"
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sed -e "s/@PRODUCT@/$PRODUCT/g" \
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-e "s/@VERSION@/$VERSION/g" \
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-e "s,@KERNELPATH@,$KERNELPATH,g" \
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-e "s,@INITRDPATH@,$INITRDPATH,g" \
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-e "s,@SPLASHPATH@,$SPLASHPATH,g" \
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-i $MBD_BOOTTREE_TMP/EFI/BOOT/grub.conf
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ydcmd="yumdownloader -c $yumconf $grubpkg"
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echo "(grubpkg) $ydcmd"
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$ydcmd
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rpm2cpio $grubpkg.rpm | (cd $KERNELROOT; cpio --quiet -iumd)
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cp -av $KERNELROOT/boot/efi/EFI/redhat/grub.efi $MBD_BOOTTREE_TMP/EFI/BOOT/grub.efi
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# The first generation Mactel machines get the bootloader name wrong
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# as per the spec. Awesome, guys.
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if [ "$efiarch" == "ia32" ]; then
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cp -av $MBD_BOOTTREE_TMP/EFI/BOOT/grub.efi $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT.efi
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cp -av $MBD_BOOTTREE_TMP/EFI/BOOT/grub.conf $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT.conf
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fi
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local tmpefiarch=${efiarch}
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case ${efiarch} in
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x64) tmpefiarch="X64" ;;
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ia32) tmpefiarch="IA32" ;;
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esac
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mv -v $MBD_BOOTTREE_TMP/EFI/BOOT/grub.efi $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT${tmpefiarch}.efi
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mv -v $MBD_BOOTTREE_TMP/EFI/BOOT/grub.conf $MBD_BOOTTREE_TMP/EFI/BOOT/BOOT${tmpefiarch}.conf
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artpkg=$(repoquery --qf "%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}" -c $yumconf --whatprovides ${brandpkgname}-logos | grep -v generic-logos | head -1)
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if [ -z "$artpkg" ]; then
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artpkg="generic-logos"
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fi
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ydcmd="yumdownloader -c ${yumconf} ${artpkg}"
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echo "(artpkg) $ydcmd"
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$ydcmd
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rpm2cpio ${artpkg}.rpm | (cd $KERNELROOT; cpio --quiet -iumd)
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cp -av $KERNELROOT/boot/grub/splash.xpm.gz $MBD_BOOTTREE_TMP/$SPLASHPATH
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# if we don't have a kernel or initrd, we're making a CD image and we need
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# to mirror EFI/ to the cd.
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if [ -z "$KERNELFILE" -a -z "$INITRDFILE" ]; then
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cp -av $MBD_BOOTTREE_TMP/EFI/ $TOPDESTPATH/EFI/
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rm -f $TOPDESTPATH/EFI/BOOT/*.efi
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fi
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}
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makeEfiImages() {
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echo "in makeEfiImages"
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yumconf="$1"
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echo "Making EFI images ($PWD)"
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if [ "$kernelvers" != "$kernelxen" ]; then
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local grubarch=${efiarch}
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case ${efiarch} in
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ia32) grubarch=i?86 ;;
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x64) grubarch=x86_64 ;;
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esac
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grubpkg=$(repoquery --qf "%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}" -c $yumconf grub.$grubarch)
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if [ -z "$grubpkg" ]; then
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echo "cannot find package grub.$grubarch" >&2
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return 1
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fi
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echo "Building efiboot.img for ${efiarch}/$KERNELARCH at $TOPDESTPATH/images/efiboot.img"
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echo "grubpkg: ${grubpkg}"
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makeefibootimage \
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--imagename efiboot.img \
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--kernel $TOPDESTPATH/images/pxeboot/vmlinuz \
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--initrd $TOPDESTPATH/images/pxeboot/initrd.img \
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--grubpkg ${grubpkg}
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local ret=$?
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if [ $ret -ne 0 ]; then
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echo "makeefibootimage (1) failed" >&2
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return $ret
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fi
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makeefibootdisk $TOPDESTPATH/images/efiboot.img $TOPDESTPATH/images/efidisk.img
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local ret=$?
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[ $ret -eq 0 ] || return $ret
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rm -vf $TOPDESTPATH/images/efiboot.img
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# make a boot image with just boot*.efi in it...
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makeefibootimage \
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--imagename efiboot.img \
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--kernelpath /images/pxeboot/vmlinuz \
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--initrdpath /images/pxeboot/initrd.img \
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--grubpkg ${grubpkg}
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local ret=$?
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if [ $ret -ne 0 ]; then
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echo "makeefibootimage (2) failed" >&2
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fi
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return $ret
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fi
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return 0
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}
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