Add first cut at "nanobsd":

Nanobsd should make it very simple for people to create (CF-)disk images
for embedded us of FreeBSD.

Currently only works for 256MB disks.  More agrressive shaving of the
build image can reduce that much further.

3 files changed, 232 insertions, 0 deletions

diff --git a/tools/tools/nanobsd/Makefile b/tools/tools/nanobsd/Makefile
new file mode 100644
index 0000000..793b585
--- /dev/null
+++ b/tools/tools/nanobsd/Makefile
@@ -0,0 +1,153 @@
+# Copyright (c) 2003-2004 Poul-Henning Kamp.
+#
+# See /usr/share/examples/etc/bsd-style-copyright for license terms.
+#
+# $FreeBSD$
+
+# parallism flag for make.
+MAKEJ?="-j12"
+
+# Physical disk paramters.  Use diskinfo(8) on the target platform
+# to find the correct numbers.  We assume 512 bytes sectors.
+HD?=16
+SC?=32
+SECTS?=501760
+
+# Number of sectors in the data slice (ad0s3).  The rest of the disk
+# will be split evenly between the two image slices (ad0s1/ad0s2)
+DATASLICE?=10240
+
+# Name of kernel configuration file to use.
+KERNCONF?= GENERIC
+
+# You probably do not need to change these.
+WORLDDIR?= ${.CURDIR}/../../..
+WD?=	${.OBJDIR}/_.w
+
+# Set this to the name of a script if you want to customize the
+# contents of the image filesystems.
+#CUSTOMIZE?=	${.CURDIR}/somescript.sh
+
+#
+# The final resulting image is in ${.OBJDIR}/_.i and the single slice
+# image in ${.OBJDIR}/_.i.s1
+
+
+# Main target
+all:	buildworld installworld buildimage
+
+#
+# This is where you customizations to the image can be performed
+# Please make sure to do everything relative to ${WD} here.
+#
+Customize:	_.cs
+_.cs:	_.iw _.di _.ik _.di
+	echo "/dev/ad0s1a / ufs ro 1 1" >  ${WD}/etc/fstab
+.if exists(${CUSTOMIZE})
+	sh -e ${CUSTOMIZE} ${WD} ${WORLDDIR} ${.CURDIR}
+.else
+	# useful stuff for diskless boot
+	sed -i "" -e /beastie/d ${WD}/boot/loader.rc
+	sed -i "" -e /ttyd0/s/off/on/ ${WD}/etc/ttys
+	echo " -h" > ${WD}/boot.config
+.endif
+	touch _.cs
+
+###########################################################################
+#
+# The rest is pretty (or ugly if you prefer) magic, and should generally
+# not need to be fiddled with.  Good luck if you need to venture past this
+# point.
+#
+
+# Run a buildworld with our private make.conf
+buildworld:	_.bw
+_.bw:
+	(cd ${WORLDDIR} && \
+		make ${MAKEJ} -s buildworld __MAKE_CONF=${.CURDIR}/make.conf \
+		) > _.bw.tmp 2>&1
+	mv _.bw.tmp _.bw
+
+# Run installworld and install into our object directory
+installworld:	_.iw
+_.iw:	_.bw
+	-rm -rf ${WD} > /dev/null 2>&1
+	-chflags -R noschg ${WD} > /dev/null 2>&1
+	rm -rf ${WD}
+	mkdir -p ${WD}
+	(cd ${WORLDDIR} && \
+		make ${MAKEJ} -s installworld \
+		DESTDIR=${WD} \
+		__MAKE_CONF=${.CURDIR}/make.conf \
+		) > _.iw.tmp 2>&1
+	mv _.iw.tmp _.iw
+
+# Run distribution target in /etc.
+_.di:	_.iw
+	mkdir -p ${WD}
+	(cd ${WORLDDIR}/etc && \
+		make ${MAKEJ} -s distribution \
+		DESTDIR=${WD} \
+		__MAKE_CONF=${.CURDIR}/make.conf \
+		) > _.di.tmp 2>&1
+	mv _.di.tmp _.di
+
+# Build kernel
+_.bk:	${WORLDDIR}/sys/i386/conf/${KERNCONF}
+	(cd ${WORLDDIR} && \
+		make ${MAKEJ} -s buildkernel \
+		KERNCONF=${KERNCONF} \
+		__MAKE_CONF=${.CURDIR}/make.conf \
+		) > _.bk.tmp 2>&1
+	mv _.bk.tmp _.bk
+
+# Install kernel and hints file
+_.ik:	_.bk _.di
+	cp ${WORLDDIR}/sys/i386/conf/GENERIC.hints ${WD}/boot/device.hints
+	(cd ${WORLDDIR} && \
+		make ${MAKEJ} installkernel \
+		KERNCONF=${KERNCONF} \
+		DESTDIR=${WD} \
+		__MAKE_CONF=${.CURDIR}/make.conf \
+		) > _.ik.tmp 2>&1
+	mv _.ik.tmp _.ik
+
+
+# Create a disk image from the installed image
+buildimage:	_.md
+_.md:	_.cs
+	-umount ${WD}/dev > /dev/null 2>&1
+	chflags -R noschg ${WD} > /dev/null 2>&1
+	rm -rf ${WD}/var/* ${WD}/dev/* ${WD}/tmp
+	# create trigger file for etc/rc.d/initdiskless
+	touch ${WD}/etc/diskless
+	mkdir -p ${WD}/conf/base/var
+	mtree -deU -f ${WD}/etc/mtree/BSD.var.dist -p ${WD}/conf/base/var
+	mkdir -p ${WD}/conf/base/etc
+	( cd ${WD}/etc && find . -print | cpio -dumpl ../conf/base/etc )
+	mkdir -p ${WD}/conf/default/etc
+	echo "mount -o ro /dev/ad0s3" > ${WD}/conf/default/etc/remount
+	ln -s var/tmp ${WD}/tmp
+	mtree -deU -f ${WD}/etc/mtree/BSD.root.dist -p ${WD}/
+	mtree -deU -f ${WD}/etc/mtree/BSD.usr.dist -p ${WD}/usr
+	mtree -deU -f ${WD}/etc/mtree/BSD.include.dist -p ${WD}/usr/include
+.if exists(${WD}/etc/mtree/BSD.sendmail.dist)
+	mtree -deU -f ${WD}/etc/mtree/BSD.sendmail.dist -p ${WD}/
+.endif
+	(cd ${WD} && mtree -c -Kmd5digest ) > _.mtree.tmp
+	${.CURDIR}/i386.diskimage \
+		${SECTS} \
+		${HD} \
+		${SC} \
+		${DATASLICE} \
+		${WD} ${.OBJDIR}/_.i \
+		> _.md.tmp 2>&1
+	mv _.mtree.tmp _.mtree
+	mv _.md.tmp _.md
+
+clean:
+	-rm -rf _.* > /dev/null 2>&1
+	-chflags -R noschg _.* > /dev/null 2>&1
+	rm -rf _.*
+
+.include <bsd.obj.mk>
diff --git a/tools/tools/nanobsd/i386.diskimage b/tools/tools/nanobsd/i386.diskimage
new file mode 100644
index 0000000..31323fa
--- /dev/null
+++ b/tools/tools/nanobsd/i386.diskimage
@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# Copyright (c) 2003-2004 Poul-Henning Kamp.
+#
+# See /usr/share/examples/etc/bsd-style-copyright for license terms.
+#
+# $FreeBSD$
+#
+# Called as:
+#
+# ${.CURDIR}/i386.diskimage $SECTS $HD $SC $DATASLICE ${.OBJDIR}/_.w ${.OBJDIR}/_.i
+#
+# XXX: newfs params.
+
+set -ex
+
+dd if=/dev/zero of=/tmp/$$.d count=$1
+MD=`mdconfig -a -t vnode -f /tmp/$$.d -x $3 -y $2`
+rm -f /tmp/$$.d
+(
+sl=`expr "(" $1 - $3 - $4 ")" / 2`
+echo p 1 165 $3 $sl
+echo p 2 165 `expr $3 + $sl` $sl
+echo p 3 165 `expr $3 + $sl + $sl` $4
+) > /tmp/$$
+cat /tmp/$$
+fdisk -i -f /tmp/$$ $MD
+fdisk $MD
+boot0cfg -B -b /boot/boot0sio -s 1 -m 3 $MD 
+rm -f /tmp/$$
+bsdlabel -w -B ${MD}s1
+newfs -O1 -U ${MD}s1a
+newfs -O1 -U ${MD}s3
+mount /dev/${MD}s1a /mnt
+(cd $5 && find . -print | cpio -dump /mnt) || true
+df /mnt
+umount /mnt
+dd if=/dev/${MD}s1 of=/dev/${MD}s2 bs=64k
+dd if=/dev/${MD} of=$6 bs=64k
+dd if=/dev/${MD}s1 of=${6}.s1 bs=64k
+mdconfig -d -u ${MD}
diff --git a/tools/tools/nanobsd/make.conf b/tools/tools/nanobsd/make.conf
new file mode 100644
index 0000000..c6c804a
--- /dev/null
+++ b/tools/tools/nanobsd/make.conf
@@ -0,0 +1,38 @@
+#
+# Copyright (c) 2003-2004 Poul-Henning Kamp.
+#
+# See /usr/share/examples/etc/bsd-style-copyright for license terms.
+#
+# $FreeBSD$
+#
+NO_SENDMAIL=yes
+NO_KERBEROS=yes
+NO_IPFILTER=yes
+NO_LPR=yes
+NO_I4B=yes
+NO_CXX=yes
+NO_FORTRAN=yes
+NO_OBJC=yes
+NOHTML=yes
+NO_GDB=yes
+NO_GCOV=yes
+NOINET6=yes
+NORADIUS=yes
+NOPROFILE=yes
+NOLIBPTHREAD=yes
+NOLIBTHR=yes
+#NO_YP_LIBC=yes
+NO_HESIOD_LIBC=yes
+NO_SHAREDOCS=yes
+NO_CVS=yes
+NOMAN=yes
+NOATM=yes
+NO_USB=yes
+NO_VINUM=yes
+NO_TOOLCHAIN=yes
+NO_ACPI=yes
+NO_RESCUE=yes
+NOGAMES=yes
+NOINFO=yes
+NO_MODULES=yes
+NO_PF=YES