1 files changed, 58 insertions, 0 deletions
diff --git a/main/s390-tools/s390-tools-script b/main/s390-tools/s390-tools-script
new file mode 100755
index 0000000000..d76a094162
--- /dev/null
+++ b/main/s390-tools/s390-tools-script
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+[ "$#" -lt 1 ] && exit 0
+
+# copied from alpine-conf/setup-disk.in
+_blkid() {
+	blkid | grep "^$1:"
+}
+uuid_or_device() {
+	local i=
+	case "$1" in
+		/dev/md*) echo "$1" && return 0;;
+	esac
+	for i in $(_blkid "$1"); do
+		case "$i" in
+			UUID=*) eval $i;;
+		esac
+	done
+	if [ -n "$UUID" ]; then
+		echo "UUID=$UUID"
+	else
+		echo "$1"
+	fi
+}
+find_mount_dev() {
+	local mnt="$1"
+	awk "\$2 == \"$mnt\" { print \$1 }" /proc/mounts | tail -n 1
+}
+
+zipl_gen_conf() {
+	KERNEL_FLAVOR="-vanilla"
+	RAMDISK_FLAVOR="-vanilla"
+	
+	rootdev=$(find_mount_dev "/")
+	root_uuid=$(uuid_or_device $rootdev)
+	[ -n "$root_uuid" ] && root_parm="root=$root_uuid"
+
+	cat > /etc/zipl.conf <<- EOF
+	[defaultboot]
+	defaultauto
+	prompt=1
+	timeout=5
+	default=linux
+	target=/boot
+	[linux]
+		image=/boot/vmlinuz$KERNEL_FLAVOR
+		ramdisk=/boot/initramfs$RAMDISK_FLAVOR
+		parameters="$root_parm rd.md=0 rd.dm=0 rd.luks=0 KEYTABLE=us LANG=en_US.UTF-8"
+	EOF
+}
+
+zipl_run() {
+	zipl_gen_conf
+	/sbin/zipl --verbose
+}
+
+"$1"
+