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# $OpenBSD: Makefile,v 1.38 2020/05/18 06:20:43 otto Exp $
CDROM= install${OSrev}.iso
RELXDIR?= /home/relx-${MACHINE}
RELDIR?= /home/rel-${MACHINE}
ALLIP= 22 26 27 28 30 32
BASE= ${RELDIR}/base${OSrev}.tgz ${RELDIR}/comp${OSrev}.tgz \
${RELDIR}/game${OSrev}.tgz ${RELDIR}/man${OSrev}.tgz \
${RELDIR}/INSTALL.${MACHINE}
.for IP in ${ALLIP}
BASE+= ${RELDIR}/bsd.IP${IP} ${RELDIR}/bsd.rd.IP${IP}
.endfor
BASE+= ${RELDIR}/bsd.mp.IP27 ${RELDIR}/bsd.mp.IP30
XBASE= ${RELXDIR}/xbase${OSrev}.tgz ${RELXDIR}/xfont${OSrev}.tgz \
${RELXDIR}/xshare${OSrev}.tgz ${RELXDIR}/xserv${OSrev}.tgz
all: ${CDROM}
# Note regarding volume header size:
# boot32 currently (2013/12/29) needs 81 512 byte sectors, boot64 needs 190,
# bootecoff needs 73, the XFS partition needs 32768, and we need to keep some
# room for growth.
# The following values need to be consistent with the `cdroot' layout in
# /etc/disktab
SGIVOLSZ=8320 # oa, pp (size of volume header in 2048 byte sectors)
CDROMSZ=489 # nt (size of the iso image in megabytes)
# Creating an IP27 bootable CD-ROM image with a usable FFS filesystem on it
# is extremely tricky. We are facing the following challenges:
# - the IP27 XFS filesystem will only get recognized correctly if the volume
# header uses 512 byte sectors.
# - the OpenBSD disklabel will reuse the sector size from the volume header,
# yet we need to build a label with 2048 byte sectors.
# This can be overcome by building a 512 byte sector volume header, then
# filling the 2048 byte sector filesystem.
${CDROM}:
rm -rf ${.OBJDIR}/cd-dir
mkdir -p ${.OBJDIR}/cd-dir/
dd if=/dev/zero of=${.OBJDIR}/${CDROM} bs=2048b count=${CDROMSZ}
# Create the 512 byte sector volume header
vnconfig -v ${CDROM} > vnd
/usr/mdec/sgivol -qi -h `expr ${SGIVOLSZ} \* 4` `cat vnd`
uudecode -o ${.OBJDIR}/xfs512.bin.gz \
${.CURDIR}/../cdfs/xfs512.bin.gz.uue
gzip -d ${.OBJDIR}/xfs512.bin.gz
cat ${DESTDIR}/usr/mdec/boot64 >> ${.OBJDIR}/xfs512.bin
dd if=${.OBJDIR}/xfs512.bin of=${.OBJDIR}/xfs obs=16m conv=osync
/usr/mdec/sgivol -qw xfsboot ${.OBJDIR}/xfs `cat vnd`
/usr/mdec/sgivol -qw bootecof ${DESTDIR}/usr/mdec/bootecoff `cat vnd`
/usr/mdec/sgivol -ql bootecof sash `cat vnd`
/usr/mdec/sgivol -qw boot32 ${DESTDIR}/usr/mdec/boot32 `cat vnd`
/usr/mdec/sgivol -ql boot32 sashARCS `cat vnd`
/usr/mdec/sgivol -qw boot64 ${DESTDIR}/usr/mdec/boot64 `cat vnd`
/usr/mdec/sgivol -ql boot64 sash64 `cat vnd`
vnconfig -u `cat vnd`
rm -f vnd
# Create the 2048 byte sector media with the FFS partition
vnconfig -v -t cdroot ${CDROM} > vnd
disklabel -w `cat vnd` cdroot "OpenBSD/sgi "
newfs -O 1 -m 0 -o space -i 524288 /dev/r`cat vnd`a
mount /dev/`cat vnd`a ${.OBJDIR}/cd-dir
mkdir -p ${.OBJDIR}/cd-dir/${OSREV}/${MACHINE}
cp ${DESTDIR}/usr/mdec/bootecoff ${.OBJDIR}/cd-dir/bootecoff
cp ${DESTDIR}/usr/mdec/boot32 ${.OBJDIR}/cd-dir/boot32
cp ${DESTDIR}/usr/mdec/boot64 ${.OBJDIR}/cd-dir/boot64
ln ${.OBJDIR}/cd-dir/bootecoff ${.OBJDIR}/cd-dir/boot-IP22
ln ${.OBJDIR}/cd-dir/boot64 ${.OBJDIR}/cd-dir/boot-IP26
ln ${.OBJDIR}/cd-dir/boot64 ${.OBJDIR}/cd-dir/boot-IP27
ln ${.OBJDIR}/cd-dir/boot64 ${.OBJDIR}/cd-dir/boot-IP28
ln ${.OBJDIR}/cd-dir/boot64 ${.OBJDIR}/cd-dir/boot-IP30
ln ${.OBJDIR}/cd-dir/boot32 ${.OBJDIR}/cd-dir/boot-IP32
cp -p ${BASE} ${.OBJDIR}/cd-dir/${OSREV}/${MACHINE}
cp -p ${XBASE} ${.OBJDIR}/cd-dir/${OSREV}/${MACHINE}
cat ${RELDIR}/SHA256 ${RELXDIR}/SHA256 > \
${.OBJDIR}/cd-dir/${OSREV}/${MACHINE}/SHA256
# XXX no SHA256.sig
.for IP in ${ALLIP}
ln -f ${.OBJDIR}/cd-dir/${OSREV}/${MACHINE}/bsd.rd.IP${IP} \
${.OBJDIR}/cd-dir/bsd.rd.IP${IP}
.endfor
umount ${.OBJDIR}/cd-dir
# Summary
disklabel `cat vnd`
/usr/mdec/sgivol `cat vnd`
vnconfig -u `cat vnd`
rm -f vnd
unconfig:
-umount -f ${MOUNT_POINT}
-[ -f vnd ] && vnconfig -u `cat vnd` && rm -f vnd
install:
cp ${CDROM} ${RELDIR}/
clean cleandir:
rm -f ${CDROM} xfs512.bin xfs
rm -rf cd-dir
.include <bsd.obj.mk>
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