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Properly identify the root filesystem to be used in /etc/fstab in each
slice of the flash card, ensuring that the loader will mount the root fs from the booted slice by default. Allow usage of FFS volume labels instead of hardcoded device names through WITH_GEOM_VOL Makefile knob. Approved by: re (scottl)
This commit is contained in:
Thomas Quinot
parent
b5c1da06a9
commit
87218f8807
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=133890
@ -10,10 +10,19 @@
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# parallism flag for make.
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MAKEJ?="-j12"
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.if defined(WITH_GEOM_VOL)
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# Do not hardcode device names, use FFS volume labels instead.
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# Requires 'options GEOM_VOL' in kernel.
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PRIROOTSLICE= vol/sysflash1
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ALTROOTSLICE= vol/sysflash2
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CFGSLICE= vol/cfgflash
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.else
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# Some CF cards behave as slaves, (eg Lexar) and are assigned ad1.
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DEVICE?= ad0
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ROOTSLICE= ${DEVICE}s1a
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CONFSLICE= ${DEVICE}s3
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PRIROOTSLICE= ${DEVICE}s1a
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ALTROOTSLICE= ${DEVICE}s2a
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CFGSLICE= ${DEVICE}s3
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.endif
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# Physical disk paramters. Use diskinfo(8) on the target platform
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# to find the correct numbers. We assume 512 bytes sectors.
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@ -23,7 +32,7 @@ SECTS?=501760
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# Number of sectors in the data slice (ad0s3). The rest of the disk
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# will be split evenly between the two image slices (ad0s1/ad0s2)
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DATASLICE?=10240
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DATASIZE?=10240
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# You probably do not need to change these.
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WORLDDIR?= ${.CURDIR}/../../..
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@ -62,7 +71,6 @@ all: buildworld installworld buildimage
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#
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Customize: _.cs
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_.cs: _.iw _.di _.ik _.di
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echo "/dev/${ROOTSLICE} / ufs ro 1 1" > ${WD}/etc/fstab
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.if empty(CUSTOMIZE_PATH)
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# useful stuff for diskless boot
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sed -i "" -e /beastie/d ${WD}/boot/loader.rc
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@ -144,7 +152,7 @@ _.md: _.cs
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mkdir -p ${WD}/conf/base/etc
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( cd ${WD}/etc && find . -print | cpio -dumpl ../conf/base/etc )
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mkdir -p ${WD}/conf/default/etc
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echo "mount -o ro /dev/${CONFSLICE}" > ${WD}/conf/default/etc/remount
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echo "mount -o ro /dev/${CFGSLICE}" > ${WD}/conf/default/etc/remount
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ln -s var/tmp ${WD}/tmp
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mtree -deU -f ${WD}/etc/mtree/BSD.root.dist -p ${WD}/
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mtree -deU -f ${WD}/etc/mtree/BSD.usr.dist -p ${WD}/usr
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@ -157,7 +165,10 @@ _.md: _.cs
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${SECTS} \
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${HD} \
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${SC} \
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${DATASLICE} \
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${DATASIZE} \
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${PRIROOTSLICE} \
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${ALTROOTSLICE} \
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${CFGSLICE} \
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${WD} ${.OBJDIR}/_.i \
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${CFGMASTER_PATH} \
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> _.md.tmp 2>&1
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@ -8,7 +8,9 @@
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#
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# Called as:
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#
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# ${.CURDIR}/i386.diskimage $SECTS $HD $SC $DATASLICE ${.OBJDIR}/_.w ${.OBJDIR}/_.i [ ${.CURDIR}/cfgmaster ]
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# ${.CURDIR}/i386.diskimage $SECTS $HD $SC $DATASIZE \
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# $PRIROOTSLICE $ALTROOTSLICE $CFGSLICE \
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# ${.OBJDIR}/_.w ${.OBJDIR}/_.i [ ${.CURDIR}/cfgmaster ]
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#
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# XXX: newfs params.
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@ -17,25 +19,49 @@ set -ex
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SECTS=$1
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HD=$2
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SC=$3
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DATASLICE=$4
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WD=$5
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IMG=$6
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CFGMASTER=$7
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DATASIZE=$4
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PRIROOTSLICE=$5
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ALTROOTSLICE=$6
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CFGSLICE=$7
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WD=$8
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IMG=$9
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CFGMASTER=$10
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TMPFILE0=`mktemp -t nanobsd`
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TMPFILE1=`mktemp -t nanobsd`
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TMPMNT=`mktemp -d -t nanobsd`
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make_fstab () {
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echo "/dev/$1 / ufs ro 1 1" > ${WD}/etc/fstab
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}
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get_label () {
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case "$1" in
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vol/*)
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echo -n "-L "; basename $1
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;;
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*)
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echo ""
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;;
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esac
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}
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PRIROOTLABEL=`get_label ${PRIROOTSLICE}`
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ALTROOTLABEL=`get_label ${ALTROOTSLICE}`
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CFGLABEL=`get_label ${CFGSLICE}`
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# Attach MD device and prepare slices
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dd if=/dev/zero of=${TMPFILE0} count=${SECTS}
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MD=`mdconfig -a -t vnode -f ${TMPFILE0} -x ${SC} -y ${HD}`
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rm -f ${TMPFILE0}
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(
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sl=`expr "(" ${SECTS} - ${SC} - ${DATASLICE} ")" / 2`
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sl=`expr "(" ${SECTS} - ${SC} - ${DATASIZE} ")" / 2`
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cyl=`expr ${SECTS} / ${SC} / ${HD}`
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echo g c${cyl} h${HD} s${SC}
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echo p 1 165 ${SC} $sl
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echo p 2 165 `expr ${SC} + $sl` $sl
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echo p 3 165 `expr ${SC} + $sl + $sl` ${DATASLICE}
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echo p 3 165 `expr ${SC} + $sl + $sl` ${DATASIZE}
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) > ${TMPFILE1}
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cat ${TMPFILE1}
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fdisk -i -f ${TMPFILE1} ${MD}
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@ -43,18 +69,40 @@ fdisk ${MD}
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boot0cfg -B -b ${WD}/boot/boot0sio -s 1 -m 3 ${MD}
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rm -f ${TMPFILE1}
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bsdlabel -w -B ${MD}s1
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newfs -O1 -U ${MD}s1a
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newfs -O1 -U ${MD}s3
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# Prepare primary root slice
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newfs ${PRIROOTLABEL} -O1 -U ${MD}s1a
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mount /dev/${MD}s1a ${TMPMNT}
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(cd ${WD} && find . -print | cpio -dump ${TMPMNT}) || true
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make_fstab ${PRIROOTSLICE}
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df ${TMPMNT}
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umount ${TMPMNT}
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# Prepare alternative root slice
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dd if=/dev/${MD}s1 of=/dev/${MD}s2 bs=64k
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if [ -n "${ALTROOTLABEL}" ]; then
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tunefs ${ALTROOTLABEL} /dev/${MD}s2a
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fi
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mount /dev/${MD}s2a ${TMPMNT}
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make_fstab ${ALTROOTSLICE}
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umount ${TMPMNT}
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# Prepare configuration slice
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newfs ${CFGLABEL} -O1 -U ${MD}s3
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if [ -d "${CFGMASTER}" ]; then
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mount /dev/${MD}s3 ${TMPMNT}
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( cd ${CFGMASTER} && find . -print | cpio -dumpl ${TMPMNT} )
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umount ${TMPMNT}
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fi
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dd if=/dev/${MD}s1 of=/dev/${MD}s2 bs=64k
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# Create flash images
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dd if=/dev/${MD} of=${IMG} bs=64k
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dd if=/dev/${MD}s1 of=${IMG}.s1 bs=64k
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# Detach MD device
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mdconfig -d -u ${MD}
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