altboot: Add initial support for kexec, reworked parts of the menu code

5 files changed, 490 insertions, 147 deletions

diff --git a/packages/altboot/files/altboot-menu/Advanced/35-kexec b/packages/altboot/files/altboot-menu/Advanced/35-kexec
deleted file mode 100644
index 41b193a379..0000000000
--- a/packages/altboot/files/altboot-menu/Advanced/35-kexec
+++ /dev/null
@@ -1,62 +0,0 @@
-# !/bin/sh
-M_TITLE="init=/bin/sh"
-
-exit 0
-
-# Only kernel 2.6 offers kexec support
-uname -r | grep -q "^2.6" || exit 0
-
-run_module() {
-	
-	test -e /etc/altboot.func && . /etc/altboot.func || die "ERROR: /etc/altboot.func not found. Check your installation!"
-	
-	test -z "$KEXEC_KERNEL_DIR" && KEXEC_KERNEL_DIR="/boot"	
-	test -x "$KEXEC_BIN" || die "kexec-tools not found [$KEXEC_BIN]"
-	
-	# Mount /proc, etc
-	init_rootfs
-	
-	if test "`find "$KEXEC_KERNEL_DIR" -type f -name "*zImage*" | wc -l | tr -d " "`" -gt 1
-	then
-		echo "Please choose a kernel to boot:"
-		cd "$KEXEC_KERNEL_DIR"
-		
-		cnt=1
-		for f in `ls -1 "$KEXEC_KERNEL_DIR"`
-		do	
-			echo "[$cnt] $f"
-			let cnt=$cnt+1
-		done
-		
-		while true
-		do
-			echo -n "Boot kernel: "
-			read junk
-			
-			if test -n "$junk"
-			then
-				cnt=1
-				for f in `ls -1 "$KEXEC_KERNEL_DIR"`
-				do	
-					if test "$cnt" = "$junk"
-					then
-						KEXEC_KERNEL="$f"
-						break
-					fi
-					let cnt=$cnt+1					
-				done
-			fi
-		done
-		
-		echo "kernel dir:[$KEXEC_KERNEL_DIR]"
-		echo "Using kernel: [$KEXEC_KERNEL]"
-		
-				
-	for 
-}
-
-case "$1" in
-title)	echo "$M_TITLE";;
-run)	run_module;;
-esac
-
diff --git a/packages/altboot/files/altboot-menu/Advanced/70-setKernel b/packages/altboot/files/altboot-menu/Advanced/70-setKernel
new file mode 100644
index 0000000000..3479637ba1
--- /dev/null
+++ b/packages/altboot/files/altboot-menu/Advanced/70-setKernel
@@ -0,0 +1,65 @@
+# !/bin/sh
+M_TITLE="Choose kernel for next boot"
+
+
+
+# Only kernel 2.6 offers kexec support
+uname -r | grep -q "^2.6" || exit 0
+
+run_module() {
+	
+	test -e /etc/altboot.func && . /etc/altboot.func || die "ERROR: /etc/altboot.func not found. Check your installation!"
+	
+	test -z "$KEXEC_KERNEL_DIR" && KEXEC_KERNEL_DIR="/boot"	
+	test -x "$KEXEC_BIN" || die "kexec-tools not found [$KEXEC_BIN]"
+	
+	# Mount /proc, etc
+	# init_rootfs
+	
+	if test `ls -1 $KEXEC_KERNEL_DIR | grep -v "kexec.cfg" | wc -l | tr -d " "` -gt 1
+	then
+		echo -e "\nSelect the kernel for use of the next boot:\n"	
+		
+		cnt=1 ; reset_pref "kexec_klist"
+		for k in `ls -1 $KEXEC_KERNEL_DIR/zImage* | grep -v "kexec.cfg" `
+		do
+			echo -e "\t[$cnt] $k"
+			set_pref "kexec_klist" "$cnt" "$k" 
+						
+			let cnt=$cnt+1
+		done 
+		
+		echo ""
+		
+		while true
+		do
+			echo -n "Select a kernel: "
+			read junk
+			
+			#echo_pref kexec_klist
+			
+			get_pref "kexec_klist" "$junk" KEXEC_SELECTED_KERNEL && break
+
+		done
+		
+		echo "Using [$KEXEC_SELECTED_KERNEL]"
+	fi
+	
+	if ! test -e "$KEXEC_SELECTED_KERNEL.kexec.cfg" 
+	then
+		echo -e "\nWARNING: This kernel has not been configured."
+		echo -e "It will only boot correctly if CMDLINE is compiled in.\n"
+	fi
+				
+	export USE_KEXEC_ON_NEXT_BOOT=yes
+	export KEXEC_SELECTED_KERNEL		
+	show_menu
+}
+
+
+
+case "$1" in
+title)	echo "$M_TITLE";;
+run)	run_module;;
+esac
+
diff --git a/packages/altboot/files/altboot-menu/Advanced/80-configure-kexec b/packages/altboot/files/altboot-menu/Advanced/80-configure-kexec
new file mode 100644
index 0000000000..9418e30dcf
--- /dev/null
+++ b/packages/altboot/files/altboot-menu/Advanced/80-configure-kexec
@@ -0,0 +1,244 @@
+# !/bin/sh
+M_TITLE="Configure kexec CMDLINE"
+
+
+
+# Only kernel 2.6 offers kexec support
+uname -r | grep -q "^2.6" || exit 0
+
+run_module() {
+	
+	test -e /etc/altboot.func && . /etc/altboot.func || die "ERROR: /etc/altboot.func not found. Check your installation!"
+	
+	test -z "$KEXEC_KERNEL_DIR" && KEXEC_KERNEL_DIR="/boot"	
+	test -x "$KEXEC_BIN" || die "kexec-tools not found [$KEXEC_BIN]"
+	
+	# Mount /proc, etc
+	init_rootfs
+	
+	if test `ls -1 $KEXEC_KERNEL_DIR | grep -v "kexec.cfg" | wc -l | tr -d " "` -gt 1
+	then
+		echo -e "\nPlease select the kernel you want to configure:\n"	
+		
+		cnt=1 ; reset_pref "kexec_klist"
+		for k in `ls -1 $KEXEC_KERNEL_DIR/zImage* | grep -v "kexec.cfg" `
+		do
+			echo -e "\t[$cnt] $k"
+			set_pref "kexec_klist" "$cnt" "$k"
+						
+			let cnt=$cnt+1
+		done 
+		
+		echo ""
+		
+		while true
+		do
+			echo -n "Select a kernel: "
+			read junk
+			
+			get_pref "kexec_klist" "$junk" KEXEC_KERNEL && break
+
+		done
+		
+		echo "Using [$KEXEC_KERNEL]"
+	fi
+	
+	configure_rootdev
+	configure_roottype
+	configure_verbose
+	configure_custom
+
+	CMDLINE="console=ttyS0,115200n8 console=tty1 dyntick=enable fbcon=rotate:1 noinitrd root=$KERNEL_ROOTDEV rootfstype=$KERNEL_ROOTFSTYPE $KERNEL_VERBOSE $KERNEL_CUSTOM"
+	
+	echo -en "\nWriting CMDLINE to $KEXEC_KERNEL.kexec.cfg..."
+	echo "$CMDLINE" > $KEXEC_KERNEL.kexec.cfg && echo ok || mdie FAILED
+	
+	show_menu
+}
+
+configure_rootdev() {
+
+	echo -e "\nPlease choose a root device (root=*):\n"
+	
+	cnt=1 ; reset_pref "kexec_rootdev"
+	for root in /dev/mtdblock2 /dev/hda1 "Manual Entry"
+	do
+		echo -e "\t[$cnt] $root"
+		set_pref kexec_rootdev "$cnt" "$root"
+		let cnt=cnt+1
+	done
+	
+	echo ""
+	
+	while true
+	do
+		echo -n "Select a root device: "
+		read junk
+		
+		get_pref kexec_rootdev "$junk" KERNEL_ROOTDEV && break
+	done
+	
+	if test "$KERNEL_ROOTDEV" = "Manual Entry"
+	then
+		echo ""
+		
+		KERNEL_ROOTDEV=""
+		
+		while test -z "$KERNEL_ROOTDEV"
+		do
+			while true
+			do
+				echo -n "Enter the root device: "
+				read junk
+				test -n "$junk" && break
+			done
+
+			echo -en "\nIs [$junk] correct? [Y|n] "
+			read junk2
+			while true
+			do
+				if test "$junk2" = y -o "$junk2" = Y -o -z "$junk2"
+				then
+					KERNEL_ROOTDEV="$junk"
+					break
+				fi
+				
+				break
+			done
+		done
+	fi 
+	
+	echo "Using [$KERNEL_ROOTDEV] as root device"
+}
+
+configure_roottype() {
+
+	echo -e "\nPlease choose a rootfs type (rootfs=*):\n"
+	
+	cnt=1 ; reset_pref "kexec_rootfstype"
+	for root in jffs2 ext2 ext3 "Manual Entry"
+	do
+		echo -e "\t[$cnt] $root"
+		set_pref kexec_rootfstype "$cnt" "$root"
+		let cnt=cnt+1
+	done
+	
+	echo ""
+	
+	while true
+	do
+		echo -n "Select a rootfs type: "
+		read junk
+		
+		get_pref kexec_rootfstype "$junk" KERNEL_ROOTFSTYPE && break
+	done
+	
+	if test "$KERNEL_ROOTFSTYPE" = "Manual Entry"
+	then
+		echo ""
+		
+		KERNEL_ROOTFSTYPE=""
+		
+		while test -z "$KERNEL_ROOTFSTYPE"
+		do
+			while true
+			do
+				echo -n "Enter the rootfs type: "
+				read junk
+				test -n "$junk" && break
+			done
+
+			echo -en "\nIs [$junk] correct? [Y|n] "
+			read junk2
+			while true
+			do
+				if test "$junk2" = y -o "$junk2" = Y -o -z "$junk2"
+				then
+					KERNEL_ROOTFSTYPE="$junk"
+					break
+				fi
+				
+				break
+			done
+		done
+	fi 
+	
+	echo "Using [$KERNEL_ROOTFSTYPE] as rootfs type"
+}
+
+configure_verbose() {
+	echo -e "\nDo you want to see kernel messages? ([quiet | debug]):\n"
+	
+	echo -e "\t[1] Yes"
+	echo -e "\t[2] No"
+		
+	echo ""
+	
+	while true
+	do
+		echo -n "Select one of the above: "
+		read junk
+		
+		test "$junk" = 1 -o "$junk" = 2 && break
+	done
+	
+	test "$junk" = 1 && KERNEL_VERBOSE="debug" || KERNEL_VERBOSE="quiet"
+	
+}
+
+configure_custom() {
+	echo -e "\nDo you want to set custom kernel options?\n"
+
+	echo -e "\t[1] Yes"
+	echo -e "\t[2] No"
+		
+	echo ""
+	
+	while true
+	do
+		echo -n "Select one of the above: "
+		read junk
+		
+		test "$junk" = 1 -o "$junk" = 2 && break
+	done
+	
+	if test "$junk" = 1
+	then
+		
+		echo ""
+		
+		KERNEL_CUSTOM=""
+		
+		while test -z "$KERNEL_CUSTOM"
+		do
+			while true
+			do
+				echo -n "Enter kernel options: "
+				read junk
+				test -n "$junk" && break
+			done
+
+			echo -en "\nIs [$junk] correct? [Y|n] "
+			read junk2
+			while true
+			do
+				if test "$junk2" = y -o "$junk2" = Y -o -z "$junk2"
+				then
+					KERNEL_CUSTOM="$junk"
+					break
+				fi
+				
+				break
+			done
+		done
+	fi 
+	
+	echo "Using [$KERNEL_CUSTOM] as custom kernel options"
+	
+}
+
+case "$1" in
+title)	echo "$M_TITLE";;
+run)	run_module;;
+esac
+
diff --git a/packages/altboot/files/altboot.func b/packages/altboot/files/altboot.func
index 3c6d165851..31b79c52a5 100644
--- a/packages/altboot/files/altboot.func
+++ b/packages/altboot/files/altboot.func
@@ -181,6 +181,30 @@ pivot_image() {
 
 #$1=mountpoint of the soon-to-be rootfs, $2=Runlevel
 do_pivot(){
+
+	echo "[$USE_KEXEC_ON_NEXT_BOOT]"
+
+	if test "$USE_KEXEC_ON_NEXT_BOOT" = yes
+	then
+		if test -e "$KEXEC_SELECTED_KERNEL.kexec.cfg"
+		then
+			CMDLINE="--append=\"`cat $KEXEC_SELECTED_KERNEL.kexec.cfg`\""
+		else
+			CMDLINE=""
+			echo "WARNING: This kernel has not been configured!"
+			echo "Trying to boot anyway..."
+		fi
+		
+		echo "$KEXEC_BIN -l $KEXEC_SELECTED_KERNEL $CMDLINE"
+		$KEXEC_BIN -l $KEXEC_SELECTED_KERNEL $CMDLINE
+		sync
+		
+		read junk
+		$KEXEC_BIN -e
+		exit 0
+	fi	
+
+
 	echo -n "Pivoting root..."
 	if (/sbin/pivot_root "$1" "$1/media/ROM") 
 	then
@@ -526,6 +550,70 @@ mount_home(){
 	fi
 }
 
+show_menu() {	
+	
+	echo -e "\nPress <ENTER> to return to the menu"
+	read junk
+	
+	test "$junk" = x && exec /bin/sh || exec /sbin/init.altboot -force</dev/tty0 >/dev/tty0 2>&1
+}
+
+mdie() {
+	echo "ERROR: $1" >/dev/tty0
+	
+	echo -e "\nPress <ENTER> to return to the menu"
+	read junk
+	
+	test "$junk" = x && exec /bin/sh || exec /sbin/init.altboot -force</dev/tty0 >/dev/tty0 2>&1
+}
+
+# $1: uniq name, $2 identifier, $3 value
+set_pref() {
+	data_name="$1"
+	data_id="$2"
+	data_value="$3"
+	
+	#echo "[$1] [$2] [$3]"
+	#export "${data_name}"="`eval echo -e \\$${data_name} | sed "s/\#\#\#/\#\#\#\\n/g"|sed s/^\ // | sed s/^$data_id.*//`"
+
+	export "${data_name}"="`eval echo -e \\$${data_name} `
+$data_id##$data_value###"
+	
+}
+
+# $1: uniq name
+reset_pref() {
+	data_name="$1"
+	export "${data_name}"=""	
+}
+
+echo_pref() {
+	data_name="$1"
+	echo "****** $1 ******"
+	echo "`eval echo -e \\$${data_name} | sed "s/\#\#\#/\#\#\#\\n/g"|sed s/^\ // `"
+	echo "******"
+}
+
+dump_pref() {
+	data_name="$1"	
+	echo "`eval echo -e \\$${data_name} | sed "s/\#\#\#/\#\#\#\\n/g"|sed s/^\ // `"
+}
+
+# $1: uniq name, $2 identifier, $3 out var
+get_pref() {
+	data_name="$1"
+	data_id="$2"
+	data_out="$3"
+	data_list="`eval echo -e \\$${data_name}`"
+	
+	data_value="`echo "$data_list"| sed "s/\#\#\#/\\n/g"|sed s/^\ // | grep "^$data_id##" | sed -n "s/.*\#\(.*\)$/\1/p"`"
+	
+	# echo "WERT: [$data_value]"
+	
+	export "${data_out}"="$data_value"
+	test -n "$data_value" && return 0
+}
+
 start_networking() {
 
 	if test "$USB_NETWORKING_AVAILABLE" = "yes"
@@ -586,7 +674,7 @@ start_networking() {
 			/etc/init.d/pcmcia start >/dev/null 2>&1 || die "/etc/init.d/pcmcia start failed!"
 		else	
 			# With kernel 2.6.16+ udev is used 
-			/etc/init.d/udev start >/dev/null 2>&1 || die "/etc/init.d/udev start failed!"
+			ps ax| grep -v grep | grep -q udevd || /etc/init.d/udev start >/dev/null 2>&1 || die "/etc/init.d/udev start failed!"
 
 			/etc/init.d/udev stop
 		fi
diff --git a/packages/altboot/files/init.altboot b/packages/altboot/files/init.altboot
index 7d8b1b6592..a987918760 100644
--- a/packages/altboot/files/init.altboot
+++ b/packages/altboot/files/init.altboot
@@ -31,14 +31,6 @@ C_BLUE="\033[34m"
 C_WHITE="\033[37m"
 C_RESET="\033[0m"
 
-mdie() {
-	echo "ERROR: $1" >/dev/tty0
-	
-	echo -e "\nPress <ENTER> to return to the menu"
-	read junk
-	
-	test "$junk" = x && exec /bin/sh || exec /sbin/init.altboot -force</dev/tty0 >/dev/tty0 2>&1
-}
 
 die() {
 	echo -e "ERROR: $1" >/dev/tty0
@@ -50,77 +42,82 @@ die() {
 # $1: Directory containing the scripts for the menu-items
 show_menu() {
 	test -z "$1" && die "DEBUG: Parameter 1 is empty in show_menu"
+	! test -d "$1" && die "show_menu: [$1] not found or no directory."
+
 	echo "" 
 	echo -e "altboot v$VERSION\n" 
 
-	cnt=0
+	
 	m_entry=""
-	if test -d $1
-	then
-		# Build "m_entry" for scripts in /etc/altboot-menu
-		cd $1
-		for file in `ls -1`
-		do	
-			if ! test -d "$1/$file"
-			then			
-				M_TITLE="`$1/$file title`"
-				if ! test -z "$M_TITLE"
-				then
-					let cnt=$cnt+1
-					# Keep a list of existing "modules" together with an index number
-					# This sure is ugly, but Busybox sh doesn't do arrays....
-					m_entry="`echo -e "$m_entry\n$cnt:$file\n"`"
-					echo -e "\t\t[$cnt] $M_TITLE"					
-				fi
-				M_TITLE=""
+	# Build "m_entry" for scripts in /etc/altboot-menu
+	cd $1
+
+	cnt=0 ; reset_pref "menu_filelist"
+	for file in `ls -1`
+	do	
+		if ! test -d "$1/$file"
+		then			
+			M_TITLE="`$1/$file title`"
+			if ! test -z "$M_TITLE"
+			then
+				let cnt=$cnt+1
+				# Keep a list of existing "modules" together with an index number
+				# This sure is ugly, but Busybox sh doesn't do arrays....
+				#m_entry="`echo -e "$m_entry\n$cnt:$file\n"`"
+				
+				set_pref "menu_filelist" "$cnt" "$file"
+				echo -e "\t\t[$cnt] $M_TITLE"					
 			fi
-		done
+			M_TITLE=""
+		fi
+	done
 
-		# Display directories below /etc/altboot-menu as menu-item
-		# and add all scripts inside the directory to m_entry
-		for dir in `ls -1`
-		do	
-			if test -d "$1/$dir"
-			then			
-				M_TITLE="`basename "$1/$dir"`"
-				if ! test -z "$M_TITLE"
-				then
-					let cnt=$cnt+1
-					# Keep a list of existing "modules" together with an index number
-					# This sure is ugly, but Busybox sh doesn't do arrays....
-					m_entry="`echo -e "$m_entry\n$cnt:$dir:DIR\n"`"
-					echo -e "\t\t[$cnt] $M_TITLE"					
-					
-					OLD_PWD="$PWD"
-					cd "$1/$dir"
-					for file in `ls -1`
-					do	
-						if ! test -d "$1/$dir/$file"
-						then			
-							M_TITLE="`$1/$dir/$file title`"
-							if ! test -z "$M_TITLE"
-							then
-								let cnt=$cnt+1
-								# Keep a list of existing "modules" together with an index number
-								# This sure is ugly, but Busybox sh doesn't do arrays....
-								m_entry="`echo -e "$m_entry\n$cnt:$dir/$file\n"`"
-								#echo -e "\t\t[$cnt] $M_TITLE"					
-							fi
-							M_TITLE=""
+	# Display directories below /etc/altboot-menu as menu-item
+	# and add all scripts inside the directory to m_entry
+	for dir in `ls -1`
+	do	
+		if test -d "$1/$dir"
+		then			
+			M_TITLE="`basename "$1/$dir"`"
+			if ! test -z "$M_TITLE"
+			then
+				let cnt=$cnt+1
+				# Keep a list of existing "modules" together with an index number
+				# This sure is ugly, but Busybox sh doesn't do arrays....
+				#m_entry="`echo -e "$m_entry\n$cnt:$dir:DIR\n"`"
+				
+				set_pref "menu_filelist" "$cnt" "$dir:DIR"
+				echo -e "\t\t[$cnt] $M_TITLE"					
+
+				OLD_PWD="$PWD"
+				cd "$1/$dir"
+				for file in `ls -1`
+				do	
+					if ! test -d "$1/$dir/$file"
+					then			
+						M_TITLE="`$1/$dir/$file title`"
+						if ! test -z "$M_TITLE"
+						then
+							let cnt=$cnt+1
+							# Keep a list of existing "modules" together with an index number
+							# This sure is ugly, but Busybox sh doesn't do arrays....
+							#m_entry="`echo -e "$m_entry\n$cnt:$dir/$file\n"`"
+							
+							set_pref "menu_filelist" "$cnt" "$dir/$file"
+							#echo -e "\t\t[$cnt] $M_TITLE"					
 						fi
-					done
-					cd "$OLD_PWD"
+						M_TITLE=""
+					fi
+				done
+				cd "$OLD_PWD"
 
-				fi
-				M_TITLE=""
 			fi
-		done
-		
-		
-		echo ""
-	else
-		echo "WARNING: $1 not found"
-	fi
+			M_TITLE=""
+		fi
+	done
+
+	#echo_pref "menu_filelist"
+	echo ""
 	
 }
 
@@ -129,17 +126,17 @@ show_menu() {
 show_sub_menu() {
 	dirname="`basename "$1"`"
 		
-	d_entries="`echo "$m_entry"|grep "$dirname/"`"
+	d_entries="`dump_pref "menu_filelist" | grep "$dirname/"`"
 	
-#	echo "[$d_entries]"
+	#echo "[$d_entries]"
 	
 	echo -e "\naltboot v$VERSION: $dirname menu\n" 
 	
 	
 	for d_entry in $d_entries
 	do
-		d_entry_number="`echo "$d_entry"| sed -n "s/\(.*\)\:\(.*\)/\1/p"`"
-		d_entry_file="`echo "$d_entry"| sed -n "s/\(.*\)\:\(.*\)/\2/p"`"
+		d_entry_number="`echo "$d_entry"| sed -n "s/\(.*\)\#\#\(.*\)\#\#\#/\1/p"`"
+		d_entry_file="`echo "$d_entry"| sed -n "s/\(.*\)\#\#\(.*\)\#\#\#/\2/p"`"
 		d_entry_title="`$d_entry_file title`"
 		
 #		echo "number: [$d_entry_number]"
@@ -197,6 +194,7 @@ run_timer() {
 		else
 			rm -f /etc/.altboot*.last
 		fi
+				
 	else
 		launch_altboot=yes
 	fi
@@ -208,25 +206,31 @@ launch_selection() {
 	test -z "$1" && die "Parameter 1 of launch_selection is empty!"
 	
 	case "$junk" in
-	*)	file="`echo "$m_entry"| sed -n "/$junk\:/s/^.*\:\(.*\)/\1/p"`"
+	*)	#file="`echo "$m_entry"| sed -n "/$junk\:/s/^.*\:\(.*\)/\1/p"`"
+		
+		get_pref "menu_filelist" "$junk" file_
+		type="`echo "$file_" | sed -n "s/\(.*\)\:\(.*\)/\2/p"`"
+		file="`echo "$file_" | sed -n "s/\(.*\)\:\(.*\)/\1/p"`"
+		test -z "$file" && file="$file_"
+		
+		#echo "[$file_]: [$type] / [$file] ($junk)"
 		
 		# The selected menu-item points to a directory
-		if test "$file" = DIR
+		if test "$type" = DIR
 		then
-			dir="`echo "$m_entry"| sed -n "/$junk\:/s/^.*\:\(.*\)\:\(.*\)/\1/p"`"
-			show_sub_menu /etc/altboot-menu/$dir >/dev/tty0
+			show_sub_menu /etc/altboot-menu/$file >/dev/tty0
 			wait_for_input >/dev/tty0			
 			launch_selection /etc/altboot-menu >/dev/tty0						
 		fi
 		
-		if test "$file" = MAIN
+		if test "$type" = MAIN
 		then
 			show_sub_menu /etc/altboot-menu >/dev/tty0
 			wait_for_input >/dev/tty0			
 			launch_selection /etc/altboot-menu >/dev/tty0						
 		fi	
 		
-		#echo "[$file]"
+		
 				
 		. $1/$file run "$file" >/dev/tty0	
 		die "WARNING: Using failsafe shell" >/dev/tty0			
@@ -257,15 +261,17 @@ wait_for_input() {
 			( while :; do read x< /dev/tty0 2>&1; done; ) > /dev/null 2>&1 &
 			sleep 1; kill $! >/dev/null 2>&1
 		fi
-				
-		
-
+								
 		echo -n "Please choose one of the above [$last_selection]: " </dev/tty0 > /dev/tty0 2>&1
+		stty echo </dev/tty0 >/dev/tty0 2>&1
 		read junk< /dev/tty0 2>&1
 		
 		# This filters other chars the user may have used
-		junk="`echo "$junk" |  sed -n "s/.*\([0-9]\)/\1/p"`"
 		
+		#echo "junk: [$junk]"
+		junk="`echo "$junk" | sed "s/[a-zA-Z]//g"`"
+		#echo "junk: [$junk]"
+				
 		if test "$junk" -lt "$cnt" -o "$junk" -eq "$cnt" 
 		then
 			if test ! -z "$junk"
@@ -346,9 +352,11 @@ else
 		launch_selection /etc/altboot-menu >/dev/tty0
 
 	fi
+
 	# Anything after this point will never be reached if $launch_altboot != yes	
 	
 	# Show the altboot menu
+	stty -echo </dev/tty0 >/dev/tty0 2>&1
 	show_menu /etc/altboot-menu >/dev/tty0
 
 	# Load last selection for use as default if <ENTER> is pressed at the prompt