From 653f3bf91fcff889d55e28051c9310bb7b53c4bf Mon Sep 17 00:00:00 2001
From: Oliver Henshaw <oliver.henshaw@gmail.com>
Date: Fri, 12 Dec 2014 12:44:10 +0000
Subject: [PATCH] Use a grub device map so that e.g. virtio disks will boot

grub seems to detect sda and hda disks fine but needs a little guidance
to find vda disks.
---
 install/scripts/1-install | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/install/scripts/1-install b/install/scripts/1-install
index b8cb4a6..7b21e94 100644
--- a/install/scripts/1-install
+++ b/install/scripts/1-install
@@ -237,10 +237,12 @@ install_to()
 			d=$(($d+1))
 		done
 		p=$((`echo $1 | cut -b4-`-1))
+		disk=`echo $1 | cut -b-3`
 		create_menulst $p
 		create_winitem $1 $d
 		rm -f /hd/boot/grub/stage1
-		echo "setup (hd$d) (hd$d,$p)" | grub > /dev/tty5
+		echo "(hd$d) /dev/$disk" > /hd/grub/device.map
+		echo "setup (hd$d) (hd$d,$p)" | grub --device-map /hd/grub/device.map > /dev/tty5
 		[ $? -ne 0 ] && return 255
 	fi
 
-- 
2.11.0