Add the first snapshot at rewriting the nanobsd build to be a shellscript.

The overall idea is to get a single build script which will not need
editing, but instead overrides and changes happen by config files passed
as arguments.

1 files changed, 359 insertions, 0 deletions

diff --git a/tools/tools/nanobsd/nanobsd.sh b/tools/tools/nanobsd/nanobsd.sh
new file mode 100644
index 0000000..3f3ee50
--- /dev/null
+++ b/tools/tools/nanobsd/nanobsd.sh
@@ -0,0 +1,359 @@
+#!/bin/sh
+# Copyright (c) 2005 Poul-Henning Kamp.
+#
+# See /usr/share/examples/etc/bsd-style-copyright for license terms.
+#
+# $FreeBSD$
+#
+
+set -e
+
+# Name of this NanoBSD build.  (Used to construct workdir names)
+NANO_NAME=full
+
+# Source tree directory
+NANO_SRC=/usr/src
+
+# Object tree directory
+# default is subdir of /usr/obj
+# XXX: MAKEOBJDIRPREFIX handling... ?
+NANO_OBJ=""
+
+# Parallel Make
+NANO_PMAKE="make -j 3"
+
+# Options to put in make.conf during buildworld only
+CONF_BUILD=' '
+
+# Options to put in make.conf during installworld only
+CONF_INSTALL=' '
+
+# Options to put in make.conf during both build- & installworld.
+CONF_WORLD=' '
+
+# Kernel config file to use
+NANO_KERNEL=GENERIC
+
+# Media data, sizes in 512 bytes sectors
+NANO_MEDIA=1048576
+NANO_IMAGES=2
+NANO_CONFSIZE=2048
+NANO_DATASIZE=1023
+
+# Media geometry, only relevant if bios doesn't understand LBA.
+NANO_SECTS=32
+NANO_HEADS=16
+
+#######################################################################
+# Functions which can be overridden in configs.
+
+clean_target ( ) (
+	echo "## Clean and create object directory (${MAKEOBJDIRPREFIX})"
+
+	if rm -rf ${MAKEOBJDIRPREFIX} > /dev/null 2>&1 ; then
+		true
+	else
+		chflags -R noschg ${MAKEOBJDIRPREFIX}
+		rm -rf ${MAKEOBJDIRPREFIX}
+	fi
+	mkdir -p ${MAKEOBJDIRPREFIX}
+)
+
+make_conf_build ( ) (
+	echo "## Construct build make.conf ($NANO_MAKE_CONF)"
+
+	echo ${CONF_WORLD} > ${NANO_MAKE_CONF}
+	echo ${CONF_BUILD} >> ${NANO_MAKE_CONF}
+)
+
+build_world ( ) (
+	echo "## run buildworld"
+	echo "### log: ${MAKEOBJDIRPREFIX}/_.bw"
+
+	cd ${NANO_SRC}
+	${NANO_PMAKE} __MAKE_CONF=${NANO_MAKE_CONF} buildworld \
+		> ${MAKEOBJDIRPREFIX}/_.bw 2>&1
+)
+
+build_kernel ( ) (
+	echo "## build kernel ($NANO_KERNEL"
+	echo "### log: ${MAKEOBJDIRPREFIX}/_.bk"
+
+	if [ -f ${NANO_KERNEL} ] ; then
+		cp ${NANO_KERNEL} ${NANO_SRC}/sys/${NANO_ARCH}/conf
+	fi
+
+	cd ${NANO_SRC}
+	${NANO_PMAKE} buildkernel \
+		__MAKE_CONF=${NANO_MAKE_CONF} KERNCONF=${NANO_KERNEL} \
+		> ${MAKEOBJDIRPREFIX}/_.bk 2>&1
+)
+
+clean_world ( ) (
+	echo "## Clean and create world directory (${NANO_WORLDDIR})"
+	if rm -rf ${NANO_WORLDDIR}/ > /dev/null 2>&1 ; then
+		true
+	else
+		chflags -R noschg ${NANO_WORLDDIR}/
+		rm -rf ${NANO_WORLDDIR}/
+	fi
+	mkdir -p ${NANO_WORLDDIR}/
+)
+
+make_conf_install ( ) (
+	echo "## Construct install make.conf ($NANO_MAKE_CONF)"
+
+	echo ${CONF_WORLD} > ${NANO_MAKE_CONF}
+	echo ${CONF_INSTALL} >> ${NANO_MAKE_CONF}
+)
+
+install_world ( ) (
+	echo "## installworld"
+	echo "### log: ${MAKEOBJDIRPREFIX}/_.iw"
+
+	cd ${NANO_SRC}
+	${NANO_PMAKE} __MAKE_CONF=${NANO_MAKE_CONF} installworld \
+		DESTDIR=${NANO_WORLDDIR} \
+		> ${MAKEOBJDIRPREFIX}/_.iw 2>&1
+	chflags -R noschg ${NANO_WORLDDIR}
+)
+
+install_etc ( ) (
+
+	echo "## install /etc"
+	echo "### log: ${MAKEOBJDIRPREFIX}/_.etc"
+
+	cd ${NANO_SRC}/etc
+	${NANO_PMAKE} __MAKE_CONF=${NANO_MAKE_CONF} distribution \
+		DESTDIR=${NANO_WORLDDIR} \
+		> ${MAKEOBJDIRPREFIX}/_.etc 2>&1
+)
+
+install_kernel ( ) (
+	echo "## install kernel"
+	echo "### log: ${MAKEOBJDIRPREFIX}/_.ik"
+
+	cd ${NANO_SRC}
+	${NANO_PMAKE} installkernel \
+		DESTDIR=${NANO_WORLDDIR} \
+		__MAKE_CONF=${NANO_MAKE_CONF} KERNCONF=${NANO_KERNEL} \
+		> ${MAKEOBJDIRPREFIX}/_.ik 2>&1
+)
+
+setup_diskless ( ) (
+	echo "## configure diskless setup"
+
+	cd ${NANO_WORLDDIR}
+
+	# create diskless marker file
+	touch etc/diskless
+
+	# link /var under /conf
+	# we use hard links so we have them both places.
+	# the files in /var will be hidden by the mount.
+	# XXX: configure /var ramdisk size
+	mkdir -p conf/base/var
+	find var -print | cpio -dumpl ../conf/base/var
+
+	# move /etc under /conf
+	# we use hard links so we have them both places.
+	# the files in /etc will be hidden by the mount.
+	# XXX: configure /etc ramdisk size
+	mkdir -p conf/base/etc conf/default/etc
+	find etc -print | cpio -dumpl ../conf/base/etc
+
+	# pick up config files from the special partition
+	echo "mount -o ro /dev/ad0s3" > conf/default/etc/remount
+
+	# Put /tmp on the /var ramdisk
+	rmdir tmp
+	ln -s var/tmp tmp
+)
+
+create_i386_diskimage ( ) (
+
+	set -x
+
+	# XXX: param ?
+	# NEWFSPARAM="-b 4096 -f 512 -i 8192 -O1 -U"
+
+	echo $NANO_MEDIA $NANO_IMAGES \
+		$NANO_CONFSIZE $NANO_DATASIZE \
+		$NANO_SECTS $NANO_HEADS |
+	awk '
+		{
+		# size of cylinder in sectors
+		cs = $5 * $6
+
+		# number of full cylinders on media
+		cyl = int ($1 / cs)
+
+		# output fdisk geometry spec
+		if (cyl <= 1023)
+			print "g c" cyl " h" $6 " s" $5
+		else
+			print "g c" 1023 " h" $6 " s" $5
+
+		# size of data partition in full cylinders
+		dsl = int (($4 + cs - 1) / cs)
+
+		# size of config partition in full cylinders
+		csl = int (($3 + cs - 1) / cs)
+
+		# size of image partition(s) in full cylinders
+		isl = int ((cyl - dsl - csl) / $2)
+
+		# First image partition start at second track
+		print "p 1 165 " $5, isl * cs - $5
+		c = isl * cs;
+
+		# Second image partition (if any) also starts offset one 
+		# track to keep them identical.
+		if ($2 > 1) {
+			print "p 2 165 " $5 + c, isl * cs - $5
+			c += isl * cs;
+		}
+
+		# Config partition starts at cylinder boundary.
+		print "p 3 165 " c, csl * cs
+		c += csl * cs
+
+		# Data partition (if any) starts at cylinder boundary.
+		if ($4 > 0)
+			print "p 4 165 " c, dsl * cs
+		}
+	' > ${MAKEOBJDIRPREFIX}/_.fdisk
+
+	IMG=${MAKEOBJDIRPREFIX}/_.disk.full
+	MNT=${MAKEOBJDIRPREFIX}/_.mnt
+	mkdir -p ${MNT}
+
+	dd if=/dev/zero of=${IMG} bs=${NANO_SECTS}b \
+	    count=`expr ${NANO_MEDIA} / ${NANO_SECTS}`
+
+	MD=`mdconfig -a -t vnode -f ${IMG} -x ${NANO_SECTS} -y ${NANO_HEADS}`
+
+	trap "umount ${MNT} || true ; mdconfig -d -u $MD" 1 2 15 EXIT
+
+	fdisk -i -f ${MAKEOBJDIRPREFIX}/_.fdisk ${MD}
+	# XXX: params
+	# XXX: pick up cached boot* files, they may not be in image anymore.
+	boot0cfg -B -b ${NANO_WORLDDIR}/boot/boot0sio -o packet -s 1 -m 3 ${MD}
+	bsdlabel -w -B ${MD}s1
+
+	# Create first image
+	newfs ${NEWFSPARAM} /dev/${MD}s1a
+	mount /dev/${MD}s1a ${MNT}
+	( cd ${NANO_WORLDDIR} && find . -print | cpio -dump ${MNT} )
+	# XXX: make_fstab
+	df -i ${MNT}
+	umount ${MNT}
+
+	if [ $NANO_IMAGES -gt 1 ] ; then
+		# Duplicate to second image (if present)
+		dd if=/dev/${MD}s1 of=/dev/${MD}s2 bs=64k
+	fi
+	
+	# Create Config slice
+	newfs ${NEWFSPARAM} /dev/${MD}s3
+	# XXX: fill from where ?
+
+	# Create Data slice, if any.
+	if [ $NANO_DATASIZE -gt 0 ] ; then
+		newfs ${NEWFSPARAM} /dev/${MD}s4
+		# XXX: fill from where ?
+	fi
+
+	dd if=/dev/${MD}s1 of=${MAKEOBJDIRPREFIX}/_.disk.image bs=64k
+	mdconfig -d -u $MD
+)
+
+
+#######################################################################
+#
+# Heavy wizardry ahead, no user serviceable parts below.
+#
+#######################################################################
+
+
+#######################################################################
+# Internal variables
+if [ "x${NANO_OBJ}" = "x" ] ; then
+	MAKEOBJDIRPREFIX=/usr/obj/nanobsd.${NANO_NAME}/
+else
+	MAKEOBJDIRPREFIX=${NANO_OBJ}
+fi
+
+NANO_WORLDDIR=${MAKEOBJDIRPREFIX}/_.w
+NANO_MAKE_CONF=${MAKEOBJDIRPREFIX}/make.conf
+
+#######################################################################
+# Not a variable at this time
+
+NANO_ARCH=i386
+
+#######################################################################
+#
+export MAKEOBJDIRPREFIX
+
+export NANO_WORLDDIR
+export NANO_ARCH
+export NANO_MEDIA
+export NANO_IMAGES
+export NANO_CONFSIZE
+export NANO_DATASIZE
+export NANO_SECTS
+export NANO_HEADS
+export NANO_PMAKE
+export NANO_OBJ
+export NANO_NAME
+export NANO_SRC
+export NANO_MAKE_CONF
+
+#######################################################################
+# Parse arguments
+
+args=`getopt c: $*`
+if [ $? -ne 0 ] ; then
+	echo "Usage: $0 [-c config file]" 1>&2
+	exit 2
+fi
+
+set -- $args
+for i
+do
+	case "$i" 
+	in
+	-c)
+		copt="$2"
+		shift;
+		shift;
+		;;
+	--)
+		shift;
+		break;
+	esac
+done
+
+if [ "x${copt}" != "x" ] ; then
+	if [ ! -f ${copt} ] ; then
+		echo "Cannot read ${copt}" 1>&2
+		exit 2
+	fi
+	. ${copt}
+fi
+
+#######################################################################
+# Set up object directory
+
+clean_target
+make_conf_build
+build_world
+build_kernel
+clean_world
+make_conf_install
+install_world
+install_etc
+install_kernel
+setup_diskless
+create_i386_diskimage