1 |
#!/bin/bash |
#!/bin/bash |
2 |
# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd.sh,v 1.2 2005-12-02 15:35:32 niro Exp $ |
# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd.sh,v 1.9 2006-02-26 00:53:30 niro Exp $ |
3 |
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4 |
# mkinitrd |
# mkinitrd |
5 |
# |
# |
38 |
PROBE="yes" |
PROBE="yes" |
39 |
MODULES="" |
MODULES="" |
40 |
PREMODS="" |
PREMODS="" |
41 |
|
NOSTRIP=false |
42 |
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|
43 |
[ -e /etc/sysconfig/mkinitrd ] && . /etc/sysconfig/mkinitrd |
[ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd |
44 |
|
|
45 |
CONFMODS="$MODULES" |
CONFMODS="${MODULES}" |
46 |
MODULES="" |
MODULES="" |
47 |
|
|
48 |
compress=1 |
compress=1 |
56 |
modulefile=/etc/modules.conf |
modulefile=/etc/modules.conf |
57 |
rc=0 |
rc=0 |
58 |
|
|
59 |
IMAGESIZE=8000 |
IMAGESIZE=4000 |
60 |
PRESCSIMODS="sd_mod" |
PRESCSIMODS="sd_mod" |
61 |
fstab="/etc/fstab" |
fstab="/etc/fstab" |
62 |
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|
74 |
echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" |
echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" |
75 |
echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
76 |
echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
77 |
echo " [--builtin=<module>] " |
echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
78 |
echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" |
echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" |
79 |
echo |
echo |
80 |
echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
392 |
--allow-missing) allowmissing=yes ;; |
--allow-missing) allowmissing=yes ;; |
393 |
--noresume) noresume=1 ;; |
--noresume) noresume=1 ;; |
394 |
--help) usage -n ;; |
--help) usage -n ;; |
395 |
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--initramfs) IMAGE_TYPE=initramfs ;; |
396 |
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--loopback) IMAGE_TYPE=loopback ;; |
397 |
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--no-strip) NOSTRIP=true ;; |
398 |
*) |
*) |
399 |
if [ -z "${target}" ] |
if [ -z "${target}" ] |
400 |
then |
then |
411 |
shift |
shift |
412 |
done |
done |
413 |
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414 |
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# enforce loopback method as default |
415 |
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[[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=loopback |
416 |
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|
417 |
if [ -z "${target}" -o -z "${kernel}" ] |
if [ -z "${target}" -o -z "${kernel}" ] |
418 |
then |
then |
419 |
usage |
usage |
452 |
############################## |
############################## |
453 |
####### get modules ########## |
####### get modules ########## |
454 |
|
|
455 |
echo "Creating initramfs" |
echo "Creating ${IMAGE_TYPE} initrd image" |
456 |
modulefile=/etc/modprobe.conf |
modulefile=/etc/modprobe.conf |
457 |
|
|
458 |
for n in ${PREMODS} |
for n in ${PREMODS} |
649 |
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650 |
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651 |
# create basic filesystem layout |
# create basic filesystem layout |
652 |
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} || die |
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot} || die |
653 |
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|
654 |
# install busybox |
# install busybox |
655 |
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echo "$(which busybox.mkinitrd)" |
656 |
install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
657 |
for i in '[' ash basename cat cut chroot clear cp dirname echo env false find \ |
for i in '[' ash basename cat cut clear cp dirname echo env false find \ |
658 |
grep gunzip gzip ln ls loadkmap losetup mkdir mknod modprobe more mount mv \ |
grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ |
659 |
ps pwd rm rmdir sh sleep test touch true umount uname \ |
ps pwd rm rmdir sh sleep test touch true umount uname \ |
660 |
xargs yes chmod chown |
xargs yes chmod chown |
661 |
do |
do |
663 |
ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}" |
ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}" |
664 |
done |
done |
665 |
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|
666 |
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# sbin related |
667 |
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for i in chroot init losetup modprobe pivot_root |
668 |
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do |
669 |
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# static links |
670 |
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ln ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
671 |
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done |
672 |
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|
673 |
# install run-init |
# install run-init |
674 |
install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die |
echo "$(which run-init.mkinitrd)" |
675 |
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install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
676 |
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|
677 |
# install insmod.static |
# install insmod.static |
678 |
install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die |
echo "$(which insmod.static)" |
679 |
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install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
680 |
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|
681 |
# install udev |
# install udev |
682 |
cp -a /etc/udev ${DEST}/etc || die |
cp -a /etc/udev ${DEST}/etc || die |
683 |
install -m0755 /sbin/udev.static ${DEST}/bin/udev || die |
install -m0755 /sbin/udev.static ${DEST}/sbin/udev || die |
684 |
install -m0755 /sbin/udevd.static ${DEST}/bin/udevd || die |
install -m0755 /sbin/udevd.static ${DEST}/sbin/udevd || die |
685 |
install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart || die |
install -m0755 /sbin/udevstart.static ${DEST}/sbin/udevstart || die |
686 |
|
|
687 |
# install lvm |
# install lvm |
688 |
if [ -n "${vg_list}" ] |
if [ -n "${vg_list}" ] |
689 |
then |
then |
690 |
inst /sbin/lvm.static "${DEST}/bin/lvm" |
inst /sbin/lvm.static "${DEST}/sbin/lvm" |
691 |
if [ -f /etc/lvm/lvm.conf ] |
if [ -f /etc/lvm/lvm.conf ] |
692 |
then |
then |
693 |
cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
695 |
fi |
fi |
696 |
|
|
697 |
# create some needed device nodes |
# create some needed device nodes |
698 |
|
mkdir ${DEST}/dev/pts || die |
699 |
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mkdir ${DEST}/dev/shm || die |
700 |
mkdir ${DEST}/dev/mapper || die |
mkdir ${DEST}/dev/mapper || die |
701 |
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mkdir ${DEST}/dev/misc || die |
702 |
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mkdir ${DEST}/dev/fb || die |
703 |
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mkdir ${DEST}/dev/vc || die |
704 |
mknod ${DEST}/dev/console c 5 1 || die |
mknod ${DEST}/dev/console c 5 1 || die |
705 |
mknod ${DEST}/dev/null c 1 3 || die |
mknod ${DEST}/dev/null c 1 3 || die |
706 |
mknod ${DEST}/dev/ram b 1 1 || die |
mknod ${DEST}/dev/ram b 1 1 || die |
724 |
add_initrd 'mount -t proc proc /proc' |
add_initrd 'mount -t proc proc /proc' |
725 |
add_initrd 'mount -t sysfs sysfs /sys' |
add_initrd 'mount -t sysfs sysfs /sys' |
726 |
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727 |
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[[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
728 |
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729 |
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# silencio |
730 |
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add_initrd 'echo 0 > /proc/sys/kernel/printk' |
731 |
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732 |
add_initrd 'echo "-- Creating inital device nodes ..."' |
add_initrd 'echo "-- Creating inital device nodes ..."' |
733 |
add_initrd 'mount -o mode=0755 -t tmpfs udev /dev' |
add_initrd 'mount -o mode=0755 -t tmpfs udev /dev' |
734 |
add_initrd 'mkdir /dev/pts' |
add_initrd 'mkdir /dev/pts' |
735 |
add_initrd 'mkdir /dev/shm' |
add_initrd 'mkdir /dev/shm' |
736 |
add_initrd 'mkdir /dev/mapper' |
add_initrd 'mkdir /dev/mapper' |
737 |
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add_initrd 'mkdir /dev/misc' |
738 |
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add_initrd 'mkdir /dev/fb' |
739 |
|
add_initrd 'mkdir /dev/vc' |
740 |
add_initrd 'mknod /dev/console c 5 1' |
add_initrd 'mknod /dev/console c 5 1' |
741 |
add_initrd 'mknod /dev/null c 1 3' |
add_initrd 'mknod /dev/null c 1 3' |
742 |
add_initrd 'mknod /dev/ram b 1 1' |
add_initrd 'mknod /dev/ram b 1 1' |
752 |
done |
done |
753 |
|
|
754 |
add_initrd 'echo "-- Starting udevd ..."' |
add_initrd 'echo "-- Starting udevd ..."' |
|
add_initrd 'ln -snf bin /sbin' |
|
755 |
add_initrd '/sbin/udevstart' |
add_initrd '/sbin/udevstart' |
756 |
add_initrd 'ln -snf /proc/self/fd /dev/fd' |
add_initrd 'ln -snf /proc/self/fd /dev/fd' |
757 |
add_initrd 'ln -snf fd/0 /dev/stdin' |
add_initrd 'ln -snf fd/0 /dev/stdin' |
762 |
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|
763 |
add_initrd 'echo "-- Setting up hotplug ..."' |
add_initrd 'echo "-- Setting up hotplug ..."' |
764 |
add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug' |
add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug' |
765 |
add_initrd 'for i in $(find /lib -type f -name *.ko)' |
|
766 |
add_initrd 'do' |
# loading detected modules with options |
767 |
add_initrd ' echo "-- Loadin module ${i}"' |
for MODULE in ${MODULES} |
768 |
add_initrd ' insmod ${i};' |
do |
769 |
# handle special cases like usb |
text="" |
770 |
add_initrd ' if [ "${i}" = "usb-storage" ]' |
module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") |
771 |
add_initrd ' then' |
fullmodule=$(echo ${MODULE} | sed "s|.*/||") |
772 |
add_initrd ' echo "Waiting 8 seconds for usb-driver initialization."' |
|
773 |
add_initrd ' sleep 8' |
options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modulefile} 2>/dev/null) |
774 |
add_initrd ' fi' |
|
775 |
add_initrd 'done' |
if [ -n "${options}" ] |
776 |
|
then |
777 |
|
echo "Adding module ${module}${text} with options ${options} ..." |
778 |
|
else |
779 |
|
echo "Adding module ${module}${text} ..." |
780 |
|
fi |
781 |
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|
782 |
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add_initrd "echo \"-- Loading ${fullmodule} module\"" |
783 |
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add_initrd "insmod /lib/${fullmodule} ${options}" |
784 |
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|
785 |
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# Hack - we need a delay after loading usb-storage to give things |
786 |
|
# time to settle down before we start looking a block devices |
787 |
|
if [ "${module}" = "usb-storage" ] |
788 |
|
then |
789 |
|
add_initrd 'echo Waiting 8 seconds for driver initialization.' |
790 |
|
add_initrd 'sleep 8' |
791 |
|
fi |
792 |
|
if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ] |
793 |
|
then |
794 |
|
add_initrd 'echo Waiting 2 seconds for driver initialization.' |
795 |
|
add_initrd 'sleep 2' |
796 |
|
cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN |
797 |
|
do |
798 |
|
add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add" |
799 |
|
add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add" |
800 |
|
add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online" |
801 |
|
done |
802 |
|
fi |
803 |
|
done |
804 |
|
|
805 |
# lvm support |
# lvm support |
806 |
if [ -n "${vg_list}" ] |
if [ -n "${vg_list}" ] |
827 |
# software suspend |
# software suspend |
828 |
if [ -z "${noresume}" ] |
if [ -z "${noresume}" ] |
829 |
then |
then |
830 |
add_initrd "resume ${swsuspdev}" |
add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}" |
831 |
fi |
fi |
832 |
|
|
833 |
# raid |
# raid |
842 |
|
|
843 |
add_initrd 'echo "-- Mounting sysroot ..."' |
add_initrd 'echo "-- Mounting sysroot ..."' |
844 |
add_initrd '. /etc/rootdev' |
add_initrd '. /etc/rootdev' |
845 |
add_initrd 'mknod ${device} b ${major} ${minor}' |
add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}' |
846 |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
847 |
add_initrd 'mount /sysroot' |
add_initrd 'mount /sysroot' |
848 |
|
|
849 |
|
# de-silencio |
850 |
|
add_initrd 'echo 3 > /proc/sys/kernel/printk' |
851 |
|
|
852 |
add_initrd 'echo "-- Switching to real sysroot ..."' |
add_initrd 'echo "-- Switching to real sysroot ..."' |
853 |
add_initrd 'umount /sys' |
add_initrd 'umount /sys' |
854 |
add_initrd 'umount /proc' |
add_initrd 'umount /proc' |
855 |
add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
|
856 |
|
[[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
857 |
|
if [[ ${IMAGE_TYPE} = loopback ]] |
858 |
|
then |
859 |
|
add_initrd 'cd /sysroot' |
860 |
|
add_initrd 'pivot_root . initrd' |
861 |
|
add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new /sbin/init'</dev/console >/dev/console 2>&1" |
862 |
|
fi |
863 |
|
|
864 |
chmod +x ${DEST}/init || die |
chmod +x ${DEST}/init || die |
865 |
|
|
874 |
echo "Coping your modules to '${DEST}/lib' ..." |
echo "Coping your modules to '${DEST}/lib' ..." |
875 |
for MODULE in ${MODULES} |
for MODULE in ${MODULES} |
876 |
do |
do |
877 |
if [ -x /usr/bin/strip ] |
if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
878 |
then |
then |
879 |
/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
880 |
else |
else |
883 |
done |
done |
884 |
|
|
885 |
# create the image |
# create the image |
886 |
(cd "${DEST}" ; find . | cpio --quiet --dereference -o -H newc | gzip -9 >${IMAGE}) |
echo "Creating initrd image '${target}' ..." |
887 |
cat ${IMAGE} > ${target} || die |
if [[ ${IMAGE_TYPE} = initramfs ]] |
888 |
|
then |
889 |
|
(cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) |
890 |
|
cat ${IMAGE} > ${target} || die |
891 |
|
fi |
892 |
|
|
893 |
|
if [[ ${IMAGE_TYPE} = loopback ]] |
894 |
|
then |
895 |
|
MOUNTTMP="$(mktemp -d)" |
896 |
|
|
897 |
|
# create ext2 img |
898 |
|
dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die |
899 |
|
mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die |
900 |
|
mount -o loop ${IMAGE} ${MOUNTTMP} || die |
901 |
|
mv ${DEST}/* ${MOUNTTMP} || die |
902 |
|
umount ${MOUNTTMP} || die |
903 |
|
gzip -9 ${IMAGE} || die |
904 |
|
cat ${IMAGE}.gz > ${target} || die |
905 |
|
[ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} |
906 |
|
|
907 |
|
# create inird dir for pivot_root |
908 |
|
[ ! -d /initrd ] && { install -d /initrd || die; } |
909 |
|
fi |
910 |
|
|
911 |
# clean up |
# clean up |
912 |
[ -d ${DEST} ] && rm -rf ${DEST} |
[ -d ${DEST} ] && rm -rf ${DEST} |
913 |
[ -f ${IMAGE} ] && rm -f ${IMAGE} |
[ -f ${IMAGE} ] && rm -f ${IMAGE} |
914 |
|
|
915 |
|
# all went ok at this point |
916 |
|
exit 0 |