/etc/rc.rescue initializes driver rescue environment

etc/Makefile

@@ -1,7 +1,7 @@
 
 ETC=/etc/
 USRETC=/usr/etc/
-FILES1=fstab group hostname.file inet.conf motd mtab passwd profile protocols rc services termcap ttytab utmp rc.cd binary_sizes binary_sizes.big
+FILES1=fstab group hostname.file inet.conf motd mtab passwd profile protocols rc services termcap ttytab utmp rc.cd binary_sizes binary_sizes.big rc.rescue
 FILES2=shadow
 FILES3=daily dhcptags.conf rc
 

etc/rc

@@ -179,6 +179,7 @@ esac
 # Further initialization.
 test -f /usr/etc/rc && sh /usr/etc/rc $action
 test -f /usr/local/etc/rc && sh /usr/local/etc/rc $action
+test -f /etc/rc.rescue && sh /etc/rc.rescue $action
 
 # Any messages?
 test "$action" = start -a -f /etc/issue && cat /etc/issue

etc/rc.rescue

@@ -0,0 +1,28 @@
+#!/bin/sh
+DRIVERS=/sbin
+RESCUE=/boot/rescue
+
+if [ "$1" != start ]
+then	exit
+fi
+
+service up $DRIVERS/rescue -dev /dev/rescue -arg 128
+mkfs /dev/rescue || exit
+mount /dev/rescue $RESCUE || exit
+cp $DRIVERS/memory $RESCUE
+label=`sysenv label`
+case "$label" in
+AT)
+	d=at_wini
+	;;
+FLOPPY)
+	d=floppy
+	;;
+BIOS)
+	d=bios_wini
+	;;
+*)	exit
+	;;
+esac
+cp $DRIVERS/$d $RESCUE
+service rescue $RESCUE