44 |
|
|
45 |
CONFMODS="${MODULES}" |
CONFMODS="${MODULES}" |
46 |
MODULES="" |
MODULES="" |
47 |
|
INITEXEC="/sbin/init" |
48 |
|
|
49 |
compress=1 |
compress=1 |
50 |
allowmissing="" |
allowmissing="" |
54 |
verbose="" |
verbose="" |
55 |
img_vers="" |
img_vers="" |
56 |
builtins="" |
builtins="" |
57 |
modulefile=/etc/modules.conf |
modulefile="/etc/modules.conf" |
58 |
|
modprobeconf="/etc/modprobe.d/*" |
59 |
rc=0 |
rc=0 |
60 |
|
|
61 |
IMAGESIZE=4000 |
IMAGESIZE=4000 |
77 |
echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
78 |
echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
79 |
echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
80 |
echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" |
echo " [--fstab=<fstab>] [--nocompress] [--initexec=<init>]" |
81 |
|
echo " <initrd-image> <kernel-version>" |
82 |
echo |
echo |
83 |
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)" |
84 |
|
|
322 |
fi |
fi |
323 |
} |
} |
324 |
|
|
325 |
|
get_blkid() |
326 |
|
{ |
327 |
|
local UUID |
328 |
|
local SEC_TYPE |
329 |
|
local TYPE |
330 |
|
|
331 |
|
local dev="$1" |
332 |
|
[[ -z ${dev} ]] && die "no dev given" |
333 |
|
|
334 |
|
# check if given device is already an UUID |
335 |
|
if [[ ${dev/UUID=/}x != ${dev}x ]] |
336 |
|
then |
337 |
|
eval "${dev}" |
338 |
|
else |
339 |
|
eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //') |
340 |
|
fi |
341 |
|
echo ${UUID} |
342 |
|
} |
343 |
|
|
344 |
# need r00t privs |
# need r00t privs |
345 |
[[ $(id -u) != 0 ]] && die "you must be r00t." |
[[ $(id -u) != 0 ]] && die "you must be r00t." |
346 |
|
|
417 |
--initramfs) IMAGE_TYPE=initramfs ;; |
--initramfs) IMAGE_TYPE=initramfs ;; |
418 |
--loopback) IMAGE_TYPE=loopback ;; |
--loopback) IMAGE_TYPE=loopback ;; |
419 |
--no-strip) NOSTRIP=true ;; |
--no-strip) NOSTRIP=true ;; |
420 |
|
--initexec*) |
421 |
|
if echo $1 | grep -q '=' ; then |
422 |
|
INITEXEC=$(echo $1 | sed 's/^--initexec=//') |
423 |
|
else |
424 |
|
INITEXEC=$2 |
425 |
|
shift |
426 |
|
fi |
427 |
|
;; |
428 |
*) |
*) |
429 |
if [ -z "${target}" ] |
if [ -z "${target}" ] |
430 |
then |
then |
483 |
####### get modules ########## |
####### get modules ########## |
484 |
|
|
485 |
echo "Creating ${IMAGE_TYPE} initrd image" |
echo "Creating ${IMAGE_TYPE} initrd image" |
|
modulefile=/etc/modprobe.conf |
|
486 |
|
|
487 |
for n in ${PREMODS} |
for n in ${PREMODS} |
488 |
do |
do |
497 |
for fs in / /boot |
for fs in / /boot |
498 |
do |
do |
499 |
esc=$(echo ${fs} | sed 's,/,\\/,g') |
esc=$(echo ${fs} | sed 's,/,\\/,g') |
500 |
dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3) |
dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//') |
501 |
if [ "$(echo ${dev} | cut -c1-2)" = sd ] |
if [ "$(echo ${dev} | cut -c6-7)" = sd ] |
502 |
then |
then |
503 |
if [ $(which kudzu 2>/dev/null) ] |
if [ $(which hwinfo 2>/dev/null) ] |
504 |
then |
then |
505 |
host=$(kudzu --probe -b scsi | |
if [[ -n $(hwinfo --disk --only ${dev} | grep 'Driver Modules' | grep 'usb[_|-]storage') ]] |
|
gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }') |
|
|
if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ] |
|
506 |
then |
then |
507 |
needusb=1 |
needusb=1 |
508 |
fi |
fi |
676 |
|
|
677 |
|
|
678 |
# create basic filesystem layout |
# create basic filesystem layout |
679 |
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot} || die |
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
680 |
|
|
681 |
# install busybox |
# install busybox |
682 |
echo "$(which busybox.mkinitrd)" |
echo "$(which busybox.mkinitrd)" |
696 |
# sbin related |
# sbin related |
697 |
for i in chroot init losetup modprobe pivot_root |
for i in chroot init losetup modprobe pivot_root |
698 |
do |
do |
699 |
# static links |
ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
|
ln ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
|
700 |
done |
done |
701 |
|
|
702 |
# install run-init |
# install run-init |
704 |
install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
705 |
|
|
706 |
# install insmod.static |
# install insmod.static |
707 |
echo "$(which insmod.static)" |
#echo "$(which insmod.static)" |
708 |
install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
#install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
709 |
|
|
710 |
# install v86d for uvesafb support if installed |
# install v86d for uvesafb support if installed |
711 |
if which v86d &> /dev/null |
if which v86d &> /dev/null |
712 |
then |
then |
713 |
echo "$(which insmod.static)" |
echo "$(which v86d)" |
714 |
install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
715 |
fi |
fi |
716 |
|
|
753 |
|
|
754 |
add_initrd 'mount -t proc proc /proc' |
add_initrd 'mount -t proc proc /proc' |
755 |
add_initrd 'mount -t sysfs sysfs /sys' |
add_initrd 'mount -t sysfs sysfs /sys' |
756 |
|
add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
757 |
|
|
758 |
[[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
[[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
759 |
|
|
760 |
|
# install all busybox applets |
761 |
|
add_initrd 'busybox --install -s' |
762 |
|
|
763 |
# silencio |
# silencio |
764 |
add_initrd 'echo 0 > /proc/sys/kernel/printk' |
add_initrd 'echo 0 > /proc/sys/kernel/printk' |
765 |
|
|
766 |
add_initrd 'echo "-- Creating initial device nodes ..."' |
add_initrd 'echo "-- Creating initial device nodes ..."' |
767 |
add_initrd 'mount -o exec,nosuid,mode=0755,size=10M -t tmpfs udev /dev' |
# populate dev |
768 |
add_initrd 'mkdir /dev/pts' |
add_initrd 'mdev -s' |
769 |
add_initrd 'mkdir /dev/shm' |
# handle hotplug events properly |
770 |
add_initrd 'mkdir /dev/mapper' |
add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' |
|
add_initrd 'mkdir /dev/misc' |
|
|
add_initrd 'mkdir /dev/fb' |
|
|
add_initrd 'mkdir /dev/vc' |
|
|
add_initrd 'mknod /dev/console c 5 1' |
|
|
add_initrd 'mknod /dev/null c 1 3' |
|
|
add_initrd 'mknod /dev/ram b 1 1' |
|
|
add_initrd 'mknod /dev/rtc c 10 135' |
|
|
add_initrd 'mknod /dev/systty c 4 0' |
|
|
add_initrd 'mknod /dev/tty c 5 0' |
|
|
add_initrd 'mknod /dev/zero c 1 5' |
|
|
for (( i=0; i < 13; i++ )); do |
|
|
add_initrd "mknod /dev/tty${i} c 4 ${i}" |
|
|
done |
|
|
for (( i=64; i < 68; i++)); do |
|
|
add_initrd "mknod /dev/ttyS$((${i} - 64)) c 4 ${i}" |
|
|
done |
|
|
|
|
|
# some needed symlinks |
|
|
add_initrd 'ln -snf /proc/self/fd /dev/fd' |
|
|
add_initrd 'ln -snf fd/0 /dev/stdin' |
|
|
add_initrd 'ln -snf fd/1 /dev/stdout' |
|
|
add_initrd 'ln -snf fd/2 /dev/stderr' |
|
|
add_initrd 'ln -snf /proc/kcore /dev/core' |
|
771 |
|
|
772 |
# loading detected modules with options |
# loading detected modules with options |
773 |
for MODULE in ${MODULES} |
for MODULE in ${MODULES} |
776 |
module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") |
module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") |
777 |
fullmodule=$(echo ${MODULE} | sed "s|.*/||") |
fullmodule=$(echo ${MODULE} | sed "s|.*/||") |
778 |
|
|
779 |
options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modulefile} 2>/dev/null) |
options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modprobeconf} 2>/dev/null) |
780 |
|
|
781 |
if [ -n "${options}" ] |
if [ -n "${options}" ] |
782 |
then |
then |
846 |
done |
done |
847 |
fi |
fi |
848 |
|
|
849 |
|
# get the right initexec |
850 |
|
add_initrd "INITEXEC=\"${INITEXEC}\"" |
851 |
|
# support init=* from cmdline |
852 |
|
add_initrd 'for i in $(cat /proc/cmdline); do if [[ ${i} = init=* ]]; then INITEXEC=${i/init=}; fi; done' |
853 |
|
|
854 |
add_initrd 'echo "-- Mounting sysroot ..."' |
add_initrd 'echo "-- Mounting sysroot ..."' |
855 |
add_initrd '. /etc/rootdev' |
add_initrd '. /etc/rootdev' |
|
add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}' |
|
856 |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
857 |
add_initrd 'mount /sysroot || ash' |
add_initrd 'mount /sysroot || ash' |
858 |
|
|
859 |
|
# unset hotplug event-manager |
860 |
|
add_initrd 'echo > /proc/sys/kernel/hotplug' |
861 |
|
|
862 |
# de-silencio |
# de-silencio |
863 |
add_initrd 'echo 3 > /proc/sys/kernel/printk' |
add_initrd 'echo 3 > /proc/sys/kernel/printk' |
864 |
|
|
865 |
|
add_initrd 'BREAK_ENABLED=no' |
866 |
|
add_initrd 'for i in $(cat /proc/cmdline); do if [[ ${i} = break ]]; then BREAK_ENABLED=yes; fi; done' |
867 |
|
add_initrd 'if [[ ${BREAK_ENABLED} = yes ]]; then echo "-- Break requested, type 'exit' to resume operation ..."; ash; fi' |
868 |
|
|
869 |
add_initrd 'echo "-- Switching to real sysroot ..."' |
add_initrd 'echo "-- Switching to real sysroot ..."' |
870 |
|
add_initrd 'umount /dev' |
871 |
add_initrd 'umount /sys' |
add_initrd 'umount /sys' |
872 |
add_initrd 'umount /proc' |
add_initrd 'umount /proc' |
|
add_initrd 'umount /dev' |
|
873 |
|
|
874 |
[[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
[[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot ${INITEXEC} $@ </sysroot/dev/console >/sysroot/dev/console' |
875 |
if [[ ${IMAGE_TYPE} = loopback ]] |
if [[ ${IMAGE_TYPE} = loopback ]] |
876 |
then |
then |
877 |
add_initrd 'cd /sysroot' |
add_initrd 'cd /sysroot' |
878 |
add_initrd 'pivot_root . initrd' |
add_initrd 'pivot_root . initrd' |
879 |
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" |
add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new \${INITEXEC}'</dev/console >/dev/console 2>&1" |
880 |
fi |
fi |
881 |
|
|
882 |
chmod +x ${DEST}/init || die |
chmod +x ${DEST}/init || die |
883 |
|
|
884 |
# setup root block device |
# setup root block device |
885 |
[[ -z ${rootdev} ]] && die "no known rootdev found." |
[[ -z ${rootdev} ]] && die "no known rootdev found." |
886 |
echo "device=${rootdev}" > ${DEST}/etc/rootdev || die |
echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die |
887 |
echo "major=$(stat -c %t ${rootdev})" >> ${DEST}/etc/rootdev || die |
echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die |
|
echo "minor=$(stat -c %T ${rootdev})" >> ${DEST}/etc/rootdev || die |
|
|
echo "rootfs=${rootfs}" >> ${DEST}/etc/rootdev || die |
|
888 |
|
|
889 |
# install detected modules |
# install detected modules |
890 |
echo "Coping your modules to '${DEST}/lib' ..." |
echo "Coping your modules to '${DEST}/lib' ..." |