Port installboot as installboot_nbsd and rename the old one.

Also following functionality was added:
- Add install_master to the installboot from NetBSD.
- Check if enough space for bootxx.

Old installboot was renamed to installboot_minix.

tools/Makefile

@@ -75,7 +75,7 @@ image: includes services
 .else
 image:  includes services
 	${PAD_KERNEL_TEXT}
-	installboot -image $@ $(KERNEL) $(PROGRAMS)
+	installboot_minix -image $@ $(KERNEL) $(PROGRAMS)
 .endif
 
 # rebuild the program or system libraries

tools/mkboot

@@ -51,7 +51,7 @@ bootable)
 	# Install the boot monitor on the root device and make it bootable.
 	install -cs -m 644 $mdec/boot $rootdir/boot/boot || exit
 	sync
-	installboot -device $root $mdec/bootblock /boot/boot || exit
+	installboot_minix -device $root $mdec/bootblock /boot/boot || exit
 	test $realroot != $root && umount $root
 	;;
 hdboot)
@@ -163,7 +163,7 @@ fdboot)
 	umount $dev || exit
 
 	# Make bootable and copy the boot parameters.
-	installboot -d $dev $mdec/bootblock /boot/boot || exit
+	installboot_minix -d $dev $mdec/bootblock /boot/boot || exit
 	pfile=fdbootparams
 	if [ -f $pfile ]
 	then	echo "Using floppy boot parameters from file $pfile."

tools/release.functions

@@ -12,7 +12,7 @@ make_hdimage()
 	# installboot -m needs at least 1KB 
 	dd < /dev/zero >tmpimage count=2
 	partition -fm tmpimage 2 81:$rootsects* 0:0 81:$usrsects
-	installboot -m tmpimage /usr/mdec/masterboot
+	installboot_minix -m tmpimage /usr/mdec/masterboot
 	dd < tmpimage > subpart count=1
 
 	primsects=`expr 1 + $rootsects + $usrsects`
@@ -26,7 +26,7 @@ make_hdimage()
 		dd < /dev/zero count=$padsects
 	} > hdimage
 	partition -m hdimage 81:`expr $primsects + $padsects`*
-	installboot -m hdimage /usr/mdec/masterboot
+	installboot_minix -m hdimage /usr/mdec/masterboot
 }
 
 retrieve()
@@ -62,7 +62,7 @@ save'
 
 hdemu_root_changes()
 {
-	$RELEASEDIR/usr/bin/installboot -d $TMPDISKROOT \
+	$RELEASEDIR/usr/bin/installboot_minix -d $TMPDISKROOT \
 		$RELEASEDIR/usr/mdec/bootblock boot/boot
 	echo \
 'bootcd=2
@@ -77,7 +77,7 @@ save'	| $RELEASEDIR/usr/bin/edparams $TMPDISKROOT
 
 usb_root_changes()
 {
-	$RELEASEDIR/usr/bin/installboot -d $TMPDISKROOT \
+	$RELEASEDIR/usr/bin/installboot_minix -d $TMPDISKROOT \
 		$RELEASEDIR/usr/mdec/bootblock boot/boot
 	echo \
 'bios_wini=yes

tools/release.sh

@@ -406,7 +406,7 @@ else
 			dd if=$TMPDISKUSR bs=$BS count=$USRBLOCKS ) >m
 		mv m $IMG
 		# Make CD partition table
-		installboot -m $IMG /usr/mdec/masterboot
+		installboot_minix -m $IMG /usr/mdec/masterboot
 		# Make sure there is no hole..! Otherwise the ISO format is
 		# unreadable.
 		partition -m $IMG 0 81:$isosects 81:$ROOTSECTS 81:$USRSECTS