159 lines
5.1 KiB
Bash
Executable File
159 lines
5.1 KiB
Bash
Executable File
#!/bin/bash
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# Based on boot-x86
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#
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# Do install stuff for arm64, including making bootable CDs
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# Works with debian-installer
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#
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# $1 is the CD number
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# $2 is the temporary CD build dir
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. $BASEDIR/tools/boot/$DI_CODENAME/common.sh
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set -e
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#set -x
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# Workaround for #823881:
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export MTOOLS_SKIP_CHECK=1
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N=$1
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CDDIR=$2
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BOOTDIR=
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INSTALLDIR="install.a64"
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if [ "$DI_WWW_HOME" = "default" ];then
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DI_WWW_HOME="https://d-i.debian.org/daily-images/arm64/daily"
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try_di_image_cache
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fi
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case "$MKISOFS" in
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*xorriso*)
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XORRISO_VER=$(xorriso_version)
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;;
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*)
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echo "ERROR: debian-cd depends on xorriso for making arm64 bootable CDs."
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exit 1;
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;;
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esac
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cd $CDDIR/..
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# This script is called with $1 (now $N) as the CD to make bootable.
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# Exit if this is not a boot disk
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if [ $NN != 1 ] ; then exit 0; fi
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BOOT_IMAGES="cdrom/initrd.gz cdrom/vmlinuz cdrom/debian-cd_info.tar.gz"
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# Download boot images.
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for image in $BOOT_IMAGES; do
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if [ ! -e "$image" ]; then
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dir=$(dirname $image)
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mkdir -p $dir
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if [ -n "$LOCAL" -a -f "${LOCALDEBS:-$MIRROR}/dists/$DI_DIST/local/installer-$ARCH/current/images/$image" ]; then
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cp "${LOCALDEBS:-$MIRROR}/dists/$DI_DIST/local/installer-$ARCH/current/images/$image" "$image"
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elif [ ! "$DI_WWW_HOME" ];then
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if [ ! "$DI_DIR" ];then
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DI_DIR="$MIRROR/dists/$DI_DIST/main/installer-$ARCH/current/images"
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fi
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cp "$DI_DIR/$image" "$image"
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else
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$WGET "$DI_WWW_HOME/$image" -O "$image"
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fi
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fi
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done
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mkdir -p $CDDIR/$INSTALLDIR
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cp -lf cdrom/vmlinuz $CDDIR/$INSTALLDIR/
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cp -lf cdrom/initrd.gz $CDDIR/$INSTALLDIR/
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# Boot setup including config and help files comes from d-i.
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mkdir -pv $PWD/boot$N
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cat cdrom/debian-cd_info.tar.gz | (cd boot$N/; tar zx)
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# Common mkisofs options when creating CDs
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add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-J -joliet-long"
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add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-cache-inodes"
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if [ -d boot$N/grub ] ; then
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echo " Adding EFI boot code for $ARCH on CD$N"
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# Move GRUB files to the right place.
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mkdir -p $CDDIR/efi/boot
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mcopy -i boot$N/grub/efi.img ::efi/boot/bootaa64.efi $CDDIR/efi/boot/bootaa64.efi
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mkdir -p $CDDIR/boot/grub
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mv boot$N/grub/* $CDDIR/boot/grub/
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rmdir boot$N/grub
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# Stuff the EFI boot files into a FAT filesystem, making it as
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# small as possible. 24KiB headroom seems to be enough;
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# (x+31)/32*32 rounds up to multiple of 32.
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# This is the same as in efi-image, but we need to redo it here in
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# the case of a multi-arch image
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# Stuff the EFI boot files into a FAT filesystem, making it as
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# small as possible.
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sector_bytes=512 # -S
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cluster_sectors=4 # -s
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cluster_bytes=$((sector_bytes * cluster_sectors))
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clusters=2 # 1 cluster for each sub-directory
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for file in $CDDIR/efi/boot/boot*.efi; do
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[ -f "$file" ] || continue
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clusters=$(($clusters + (($(stat -c %s "$file") + $cluster_bytes - 1) / $cluster_bytes)))
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done
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reserved_sectors=1 # boot-sector -R
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reserved_bytes=$(($reserved_sectors * $sector_bytes))
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fat_copies=2 # -f
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if [ "$clusters" -le $(((1 << 12) - 2)) ]; then
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fat_entry_bytes=3/2 # -F
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elif [ "$clusters" -le $(((1 << 16) - 2)) ]; then
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fat_entry_bytes=2 # -F
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else
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fat_entry_bytes=4 # -F
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fi
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fat_bytes=$((($clusters * $fat_entry_bytes + $sector_bytes - 1) / $sector_bytes * $sector_bytes))
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root_entries=512 # -r
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root_entry_bytes=32
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root_bytes=$(($root_entries * root_entry_bytes))
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size=$(($reserved_bytes + $fat_copies * $fat_bytes + $root_bytes + $clusters * $cluster_bytes))
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track_sectors=32
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track_bytes=$((sector_bytes * $track_sectors))
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tracks=$((($size + $track_bytes - 1) / $track_bytes))
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block_bytes=1024
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blocks=$(($tracks * $track_bytes / $block_bytes))
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rm -f $CDDIR/boot/grub/efi.img
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mkfs.msdos -v -C "$CDDIR/boot/grub/efi.img" $blocks >/dev/null
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mmd -i "$CDDIR/boot/grub/efi.img" ::efi
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mmd -i "$CDDIR/boot/grub/efi.img" ::efi/boot
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mcopy -o -i "$CDDIR/boot/grub/efi.img" $CDDIR/efi/boot/boot*.efi \
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"::efi/boot"
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# Ugh - different code here depending on the version of xorriso we've got
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if [ $XORRISO_VER -le 10202 ] ; then
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echo "ERROR: debian-cd depends on xorriso > 1.2.2 for making arm64 bootable CDs."
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exit 1;
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elif [ $XORRISO_VER -gt 10202 ] ; then
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echo "Using newer EFI support in xorriso $XORRISO_VER"
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# Location of the EFI boot image, and don't emulate a floppy or HD
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add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-e boot/grub/efi.img -no-emul-boot"
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# Add an *extra* partition on the end for the EFI bits
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add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-append_partition 2 0xef $CDDIR/boot/grub/efi.img"
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# And force alignment
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add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-partition_cyl_align all"
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fi
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# Finally, belt and braces - fix up the %install% entries in grub
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# in case they're still there
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sed -i "s,\%install\%,$INSTALLDIR,g" $CDDIR/boot/grub/grub.cfg
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else
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echo " No EFI boot code for $ARCH on CD$N"
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fi
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# th,th, thats all
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