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gen_initramfs.sh
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#!/bin/bash
# $Id$
CPIO_ARGS="--quiet -o -H newc"
_get_udevdir() {
local udev_dir=$(pkg-config --variable udevdir udev)
[[ -n "${udev_dir}" ]] && echo $(realpath "${udev_dir}")
}
# The copy_binaries function is explicitly released under the CC0 license to
# encourage wide adoption and re-use. That means:
# - You may use the code of copy_binaries() as CC0 outside of genkernel
# - Contributions to this function are licensed under CC0 as well.
# - If you change it outside of genkernel, please consider sending your
# modifications back to [email protected].
#
# On a side note: "Both public domain works and the simple license provided by
# CC0 are compatible with the GNU GPL."
# (from https://www.gnu.org/licenses/license-list.html#CC0)
#
# Written by:
# - Sebastian Pipping <[email protected]> (error checking)
# - Robin H. Johnson <[email protected]> (complete rewrite)
# - Richard Yao <[email protected]> (original concept)
# Usage:
# copy_binaries DESTDIR BINARIES...
copy_binaries() {
local destdir=$1
shift
for binary in "$@"; do
[[ -e "${binary}" ]] \
|| gen_die "Binary ${binary} could not be found"
if LC_ALL=C lddtree "${binary}" 2>&1 | fgrep -q 'not found'; then
gen_die "Binary ${binary} is linked to missing libraries and may need to be re-built"
fi
done
# This must be OUTSIDE the for loop, we only want to run lddtree etc ONCE.
# lddtree does not have the -V (version) nor the -l (list) options prior to version 1.18
(
if lddtree -V > /dev/null 2>&1 ; then
lddtree -l "$@"
else
lddtree "$@" \
| tr ')(' '\n' \
| awk '/=>/{ if($3 ~ /^\//){print $3}}'
fi ) \
| sort \
| uniq \
| cpio -p --make-directories --dereference --quiet "${destdir}" \
|| gen_die "Binary ${f} or some of its library dependencies could not be copied"
}
log_future_cpio_content() {
if [[ "${LOGLEVEL}" -gt 1 ]]; then
echo =================================================================
echo "About to add these files from '${PWD}' to cpio archive:"
find . | xargs ls -ald
echo =================================================================
fi
}
get_firmware_files() {
local kmod="${1}"
modinfo --set-version="${KV}" -F firmware "${kmod}" || \
gen_die "cannot execute modinfo for ${kmod}"
}
append_base_layout() {
if [ -d "${TEMP}/initramfs-base-temp" ]
then
rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
fi
mkdir -p ${TEMP}/initramfs-base-temp/dev/shm
mkdir -p ${TEMP}/initramfs-base-temp/bin
mkdir -p ${TEMP}/initramfs-base-temp/etc
mkdir -p ${TEMP}/initramfs-base-temp/usr
mkdir -p ${TEMP}/initramfs-base-temp/lib
mkdir -p ${TEMP}/initramfs-base-temp/mnt
mkdir -p ${TEMP}/initramfs-base-temp/run
mkdir -p ${TEMP}/initramfs-base-temp/sbin
mkdir -p ${TEMP}/initramfs-base-temp/proc
mkdir -p ${TEMP}/initramfs-base-temp/temp
mkdir -p ${TEMP}/initramfs-base-temp/tmp
mkdir -p ${TEMP}/initramfs-base-temp/sys
mkdir -p ${TEMP}/initramfs-temp/.initrd
mkdir -p ${TEMP}/initramfs-base-temp/var/lock/dmraid
mkdir -p ${TEMP}/initramfs-base-temp/sbin
mkdir -p ${TEMP}/initramfs-base-temp/usr/bin
mkdir -p ${TEMP}/initramfs-base-temp/usr/sbin
mkdir -p ${TEMP}/initramfs-base-temp/usr/share
mkdir -p ${TEMP}/initramfs-base-temp/usr/lib
ln -s lib ${TEMP}/initramfs-base-temp/lib64
ln -s lib ${TEMP}/initramfs-base-temp/usr/lib64
echo "/dev/ram0 / ext2 defaults 0 0" > ${TEMP}/initramfs-base-temp/etc/fstab
echo "proc /proc proc defaults 0 0" >> ${TEMP}/initramfs-base-temp/etc/fstab
cd ${TEMP}/initramfs-base-temp/dev || gen_die "cannot cd to dev"
mknod -m 660 console c 5 1 || gen_die "cannot mknod"
mknod -m 660 null c 1 3 || gen_die "cannot mknod"
mknod -m 660 zero c 1 5 || gen_die "cannot mknod"
mknod -m 600 tty0 c 4 0 || gen_die "cannot mknod"
mknod -m 600 tty1 c 4 1 || gen_die "cannot mknod"
mknod -m 600 ttyS0 c 4 64 || gen_die "cannot mknod"
chmod 1777 shm || gen_die "cannot mknod" # bug 476278
date -u '+%Y%m%d-%H%M%S' > ${TEMP}/initramfs-base-temp/etc/build_date
echo "Genkernel $GK_V" > ${TEMP}/initramfs-base-temp/etc/build_id
# The ZFS tools want the hostid in order to find the right pool.
# Assume the initramfs we're building is for this system, so copy
# our current hostid into it.
# We also have to deal with binary+endianness here: glibc's gethostid
# expects the value to be in binary using the native endianness. But
# the coreutils hostid program doesn't show it in the right form.
local hostid
if file -L "${TEMP}/initramfs-base-temp/bin/sh" | grep -q 'MSB executable'; then
hostid="$(hostid)"
else
hostid="$(hostid | sed -E 's/(..)(..)(..)(..)/\4\3\2\1/')"
fi
printf "$(echo "${hostid}" | sed 's/\([0-9A-F]\{2\}\)/\\x\1/gI')" > ${TEMP}/initramfs-base-temp/etc/hostid
cd "${TEMP}/initramfs-base-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing baselayout cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
}
append_busybox() {
if [ -d "${TEMP}/initramfs-busybox-temp" ]
then
rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
fi
mkdir -p "${TEMP}/initramfs-busybox-temp/bin/"
tar -xjf "${BUSYBOX_BINCACHE}" -C "${TEMP}/initramfs-busybox-temp/bin" busybox ||
gen_die 'Could not extract busybox bincache!'
chmod +x "${TEMP}/initramfs-busybox-temp/bin/busybox"
mkdir -p "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/"
cp "${GK_SHARE}/defaults/udhcpc.scripts" ${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script
chmod +x "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script"
# Set up a few default symlinks
local default_applets="[ ash sh mount uname ls echo cut cat flock stty"
default_applets+=" readlink realpath mountpoint dmesg udhcpc chmod mktemp"
for i in ${BUSYBOX_APPLETS:-${default_applets}}; do
rm -f ${TEMP}/initramfs-busybox-temp/bin/$i
ln -s busybox ${TEMP}/initramfs-busybox-temp/bin/$i ||
gen_die "Busybox error: could not link ${i}!"
done
local sbin_applets="sbin/modprobe sbin/insmod"
sbin_applets+=" sbin/rmmod bin/lsmod sbin/losetup"
local dir=
local name=
for i in ${sbin_applets}; do
dir=$(dirname $i)
name=$(basename $i)
rm -f ${TEMP}/initramfs-busybox-temp/$dir/$name
mkdir -p ${TEMP}/initramfs-busybox-temp/$dir ||
gen_die "Busybox error: could not create dir: $dir"
ln -s ../bin/busybox ${TEMP}/initramfs-busybox-temp/$dir/$name ||
gen_die "Busybox error: could not link ${i}!"
done
cd "${TEMP}/initramfs-busybox-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing busybox cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
}
append_e2fsprogs(){
if [ -d "${TEMP}"/initramfs-e2fsprogs-temp ]
then
rm -r "${TEMP}"/initramfs-e2fsprogs-temp
fi
cd "${TEMP}" \
|| gen_die "cd '${TEMP}' failed"
mkdir -p initramfs-e2fsprogs-temp
copy_binaries "${TEMP}"/initramfs-e2fsprogs-temp/ /sbin/{e2fsck,mke2fs}
cd "${TEMP}"/initramfs-e2fsprogs-temp \
|| gen_die "cd '${TEMP}/initramfs-e2fsprogs-temp' failed"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -rf "${TEMP}"/initramfs-e2fsprogs-temp > /dev/null
}
append_blkid(){
if [ -d "${TEMP}/initramfs-blkid-temp" ]
then
rm -r "${TEMP}/initramfs-blkid-temp/"
fi
cd ${TEMP}
mkdir -p "${TEMP}/initramfs-blkid-temp/"
copy_binaries "${TEMP}"/initramfs-blkid-temp/ /sbin/blkid
cd "${TEMP}/initramfs-blkid-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing blkid cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-blkid-temp" > /dev/null
}
append_multipath(){
if [ -d "${TEMP}/initramfs-multipath-temp" ]
then
rm -r "${TEMP}/initramfs-multipath-temp"
fi
print_info 1 ' Multipath support being added'
mkdir -p "${TEMP}"/initramfs-multipath-temp/{bin,etc,sbin,lib}/
# Copy files
copy_binaries "${TEMP}/initramfs-multipath-temp" \
/sbin/{multipath,kpartx,mpath_prio_*,devmap_name,dmsetup} \
/{lib,lib64}/{udev/scsi_id,multipath/*so}
if [ -x /sbin/multipath ]
then
cp /etc/multipath.conf "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy /etc/multipath.conf please check this'
fi
# /etc/scsi_id.config does not exist in newer udevs
# copy it optionally.
if [ -x /sbin/scsi_id -a -f /etc/scsi_id.config ]
then
cp /etc/scsi_id.config "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy scsi_id.config'
fi
cd "${TEMP}/initramfs-multipath-temp"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing multipath cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-multipath-temp/"
}
append_dmraid(){
if [ -d "${TEMP}/initramfs-dmraid-temp" ]
then
rm -r "${TEMP}/initramfs-dmraid-temp/"
fi
print_info 1 'DMRAID: Adding support (copying binaries from system)...'
mkdir -p "${TEMP}/initramfs-dmraid-temp/sbin"
copy_binaries "${TEMP}/initramfs-dmraid-temp" \
/usr/sbin/dmraid /usr/sbin/dmevent_tool
cd "${TEMP}/initramfs-dmraid-temp"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing dmraid cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-dmraid-temp/"
}
append_iscsi(){
if [ -d "${TEMP}/initramfs-iscsi-temp" ]
then
rm -r "${TEMP}/initramfs-iscsi-temp/"
fi
print_info 1 'iSCSI: Adding support (copying binaries from system)...'
mkdir -p "${TEMP}/initramfs-iscsi-temp/usr/sbin/"
copy_binaries "${TEMP}/initramfs-iscsi-temp" /usr/sbin/iscsistart
cd "${TEMP}/initramfs-iscsi-temp"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing iscsi cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-iscsi-temp/"
}
append_lvm(){
if [ -d "${TEMP}/initramfs-lvm-temp" ]
then
rm -rf "${TEMP}/initramfs-lvm-temp/"
fi
cd ${TEMP}
mkdir -p "${TEMP}/initramfs-lvm-temp"/{bin,sbin}
mkdir -p "${TEMP}/initramfs-lvm-temp/etc/lvm/"
print_info 1 'LVM: Adding support (copying binaries from system)...'
local udev_dir=$(_get_udevdir)
udev_files=( $(qlist -e sys-fs/lvm2:0 | xargs realpath | \
grep ^${udev_dir}/rules.d) )
for f in "${udev_files[@]}"; do
[ -f "${f}" ] || gen_die "append_lvm: not a file: ${f}"
mkdir -p "${TEMP}/initramfs-lvm-temp"/$(dirname "${f}") || \
gen_die "cannot create rules.d directory"
cp "${f}" "${TEMP}/initramfs-lvm-temp/${f}" || \
gen_die "cannot copy ${f} from system"
done
copy_binaries "${TEMP}/initramfs-lvm-temp" \
/sbin/lvm /sbin/dmsetup /sbin/thin_check \
/sbin/thin_restore /sbin/thin_dump \
/sbin/cache_check /sbin/cache_restore \
/sbin/cache_dump /sbin/cache_repair
if [ -f /etc/lvm/lvm.conf ]
then
cp /etc/lvm/lvm.conf "${TEMP}/initramfs-lvm-temp/etc/lvm/" ||
gen_die 'Could not copy over lvm.conf!'
fi
cd "${TEMP}/initramfs-lvm-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing lvm cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-lvm-temp/"
}
append_mdadm(){
if [ -d "${TEMP}/initramfs-mdadm-temp" ]
then
rm -r "${TEMP}/initramfs-mdadm-temp/"
fi
cd ${TEMP}
mkdir -p "${TEMP}/initramfs-mdadm-temp/etc/"
mkdir -p "${TEMP}/initramfs-mdadm-temp/sbin/"
copy_binaries "${TEMP}/initramfs-mdadm-temp" \
/sbin/mdadm /sbin/mdmon /sbin/mdassemble
if [ -n "${MDADM_CONFIG}" ]
then
if [ -f "${MDADM_CONFIG}" ]
then
cp -a "${MDADM_CONFIG}" \
"${TEMP}/initramfs-mdadm-temp/etc/mdadm.conf" \
|| gen_die "Could not copy mdadm.conf!"
else
gen_die 'sl${MDADM_CONFIG} does not exist!'
fi
else
print_info 1 ' MDADM: Skipping inclusion of mdadm.conf'
fi
cd "${TEMP}/initramfs-mdadm-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing mdadm cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-mdadm-temp" > /dev/null
}
append_zfs(){
if [ -d "${TEMP}/initramfs-zfs-temp" ]
then
rm -r "${TEMP}/initramfs-zfs-temp"
fi
mkdir -p "${TEMP}/initramfs-zfs-temp/etc/zfs"
# Copy files to /etc/zfs
for i in zdev.conf zpool.cache
do
if [ -f /etc/zfs/${i} ]
then
print_info 1 " >> Including ${i}"
cp -a "/etc/zfs/${i}" "${TEMP}/initramfs-zfs-temp/etc/zfs" 2> /dev/null \
|| gen_die "Could not copy file ${i} for ZFS"
fi
done
# Copy binaries
# Include libgcc_s.so.1 to workaround zfsonlinux/zfs#4749
if type gcc-config 2>&1 1>/dev/null; then
copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zdb,zfs,zpool} \
"/usr/lib/gcc/$(s=$(gcc-config -c); echo ${s%-*}/${s##*-})/libgcc_s.so.1"
else
copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zdb,zfs,zpool} \
/usr/lib/gcc/*/*/libgcc_s.so.1
fi
cd "${TEMP}/initramfs-zfs-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing zfs cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-zfs-temp" > /dev/null
}
append_btrfs() {
if [ -d "${TEMP}/initramfs-btrfs-temp" ]
then
rm -r "${TEMP}/initramfs-btrfs-temp"
fi
# Copy binaries
copy_binaries "${TEMP}/initramfs-btrfs-temp" /sbin/btrfs
cd "${TEMP}/initramfs-btrfs-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing btrfs cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-btrfs-temp" > /dev/null
}
append_splash(){
splash_geninitramfs=`which splash_geninitramfs 2>/dev/null`
if [ -x "${splash_geninitramfs}" ]
then
[ -z "${SPLASH_THEME}" ] && [ -e /etc/conf.d/splash ] && source /etc/conf.d/splash
[ -z "${SPLASH_THEME}" ] && SPLASH_THEME=default
print_info 1 " >> Installing splash [ using the ${SPLASH_THEME} theme ]..."
if [ -d "${TEMP}/initramfs-splash-temp" ]
then
rm -r "${TEMP}/initramfs-splash-temp/"
fi
mkdir -p "${TEMP}/initramfs-splash-temp"
cd /
local tmp=""
[ -n "${SPLASH_RES}" ] && tmp="-r ${SPLASH_RES}"
splash_geninitramfs -c "${TEMP}/initramfs-splash-temp" ${tmp} ${SPLASH_THEME} || gen_die "Could not build splash cpio archive"
if [ -e "/usr/share/splashutils/initrd.splash" ]; then
mkdir -p "${TEMP}/initramfs-splash-temp/etc"
cp -f "/usr/share/splashutils/initrd.splash" "${TEMP}/initramfs-splash-temp/etc"
fi
cd "${TEMP}/initramfs-splash-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing splash cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-splash-temp/"
else
print_warning 1 ' >> No splash detected; skipping!'
fi
}
append_plymouth() {
[ -z "${PLYMOUTH_THEME}" ] && \
PLYMOUTH_THEME=$(plymouth-set-default-theme)
[ -z "${PLYMOUTH_THEME}" ] && PLYMOUTH_THEME=text
if [ -d "${TEMP}/initramfs-ply-temp" ]
then
rm -r "${TEMP}/initramfs-ply-temp"
fi
mkdir -p "${TEMP}/initramfs-ply-temp/usr/share/plymouth/themes"
mkdir -p "${TEMP}/initramfs-ply-temp/etc/plymouth"
mkdir -p "${TEMP}/initramfs-ply-temp/"{bin,sbin}
mkdir -p "${TEMP}/initramfs-ply-temp/usr/"{bin,sbin}
cd "${TEMP}/initramfs-ply-temp"
local theme_dir="/usr/share/plymouth/themes"
local t=
local p=
local ply="${theme_dir}/${PLYMOUTH_THEME}/${PLYMOUTH_THEME}.plymouth"
local plugin=$(grep "^ModuleName=" "${ply}" | cut -d= -f2-)
local plugin_binary=
if [ -n "${plugin}" ]
then
plugin_binary="$(plymouth --get-splash-plugin-path)/${plugin}.so"
fi
print_info 1 " >> Installing plymouth [ using the ${PLYMOUTH_THEME} theme and plugin: \"${plugin}\" ]..."
for t in text details ${PLYMOUTH_THEME}; do
cp -R "${theme_dir}/${t}" \
"${TEMP}/initramfs-ply-temp${theme_dir}/" || \
gen_die "cannot copy ${theme_dir}/details"
done
cp /usr/share/plymouth/{bizcom.png,plymouthd.defaults} \
"${TEMP}/initramfs-ply-temp/usr/share/plymouth/" || \
gen_die "cannot copy bizcom.png and plymouthd.defaults"
# Do both config setup
echo -en "[Daemon]\nTheme=${PLYMOUTH_THEME}\n" > \
"${TEMP}/initramfs-ply-temp/etc/plymouth/plymouthd.conf" || \
gen_die "Cannot create /etc/plymouth/plymouthd.conf"
ln -sf "${PLYMOUTH_THEME}/${PLYMOUTH_THEME}.plymouth" \
"${TEMP}/initramfs-ply-temp${theme_dir}/default.plymouth" || \
gen_die "cannot setup the default plymouth theme"
# plymouth may have placed the libs into /usr/
local libply_core="/lib*/libply-splash-core.so.*"
if ! ls -1 ${libply_core} 2>/dev/null >/dev/null; then
libply_core="/usr/lib*/libply-splash-core.so.*"
fi
local libs=(
"${libply_core}"
"/usr/lib*/libply-splash-graphics.so.*"
"/usr/lib*/plymouth/text.so"
"/usr/lib*/plymouth/details.so"
"/usr/lib*/plymouth/renderers/frame-buffer.so"
"/usr/lib*/plymouth/renderers/drm.so"
"${plugin_binary}"
)
# lib64 must take the precedence or all the cpio archive
# symlinks will be fubared
local slib= lib= final_lib= final_libs=()
for slib in "${libs[@]}"; do
lib=( ${slib} )
final_lib="${lib[0]}"
final_libs+=( "${final_lib}" )
done
local plymouthd_bin="/sbin/plymouthd"
[ ! -e "${plymouthd_bin}" ] && \
plymouthd_bin="/usr/sbin/plymouthd"
local plymouth_bin="/bin/plymouth"
[ ! -e "${plymouth_bin}" ] && \
plymouth_bin="/usr/bin/plymouth"
copy_binaries "${TEMP}/initramfs-ply-temp" \
"${plymouthd_bin}" "${plymouth_bin}" \
"${final_libs[@]}" || gen_die "cannot copy plymouth"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "appending plymouth to cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-ply-temp/"
}
append_overlay(){
cd ${INITRAMFS_OVERLAY}
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing overlay cpio"
}
append_luks() {
local _luks_error_format="LUKS support cannot be included: %s. Please emerge sys-fs/cryptsetup[static]."
local _luks_source=/sbin/cryptsetup
local _luks_dest=/sbin/cryptsetup
if [ -d "${TEMP}/initramfs-luks-temp" ]
then
rm -r "${TEMP}/initramfs-luks-temp/"
fi
mkdir -p "${TEMP}/initramfs-luks-temp/lib/luks/"
mkdir -p "${TEMP}/initramfs-luks-temp/sbin"
cd "${TEMP}/initramfs-luks-temp"
if isTrue ${LUKS}
then
[ -x "${_luks_source}" ] \
|| gen_die "$(printf "${_luks_error_format}" "no file ${_luks_source}")"
print_info 1 "Including LUKS support"
copy_binaries "${TEMP}/initramfs-luks-temp/" /sbin/cryptsetup
fi
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "appending cryptsetup to cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-luks-temp/"
}
append_firmware() {
if [ -z "${FIRMWARE_FILES}" -a ! -d "${FIRMWARE_DIR}" ]
then
gen_die "specified firmware directory (${FIRMWARE_DIR}) does not exist"
fi
if [ -d "${TEMP}/initramfs-firmware-temp" ]
then
rm -r "${TEMP}/initramfs-firmware-temp/"
fi
mkdir -p "${TEMP}/initramfs-firmware-temp/lib/firmware"
cd "${TEMP}/initramfs-firmware-temp"
if [ -n "${FIRMWARE_FILES}" ]
then
OLD_IFS=$IFS
IFS=","
for i in ${FIRMWARE_FILES}
do
cp -L "${i}" ${TEMP}/initramfs-firmware-temp/lib/firmware/
done
IFS=$OLD_IFS
else
cp -a "${FIRMWARE_DIR}"/* ${TEMP}/initramfs-firmware-temp/lib/firmware/
fi
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "appending firmware to cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-firmware-temp/"
}
append_gpg() {
if [ -d "${TEMP}/initramfs-gpg-temp" ]
then
rm -r "${TEMP}/initramfs-gpg-temp"
fi
mkdir -p "${TEMP}/initramfs-gpg-temp/sbin/"
print_info 1 "Including GPG support"
copy_binaries "${TEMP}/initramfs-gpg-temp" /usr/bin/gpg
cd "${TEMP}/initramfs-gpg-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing gpg cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-gpg-temp" > /dev/null
}
append_udev() {
if [ -d "${TEMP}/initramfs-udev-temp" ]
then
rm -r "${TEMP}/initramfs-udev-temp"
fi
local udev_dir=$(_get_udevdir)
udev_files="
${udev_dir}/rules.d/50-udev-default.rules
${udev_dir}/rules.d/60-persistent-storage.rules
${udev_dir}/rules.d/80-drivers.rules
/etc/udev/udev.conf
"
udev_maybe_files="
${udev_dir}/rules.d/40-gentoo.rules
${udev_dir}/rules.d/99-systemd.rules
${udev_dir}/rules.d/71-seat.rules
/etc/modprobe.d/blacklist.conf
/usr/lib/systemd/network/99-default.link
"
is_maybe=0
for f in ${udev_files} -- ${udev_maybe_files}; do
[ "${f}" = "--" ] && {
is_maybe=1;
continue;
}
mkdir -p "${TEMP}/initramfs-udev-temp"/$(dirname "${f}") || \
gen_die "cannot create rules.d directory"
cp "${f}" "${TEMP}/initramfs-udev-temp/${f}"
if [ "${?}" != "0" ]
then
[ "${is_maybe}" = "0" ] && \
gen_die "cannot copy ${f} from udev"
[ "${is_maybe}" = "1" ] && \
print_warning 1 "cannot copy ${f} from udev"
fi
done
# systemd-207 dropped /sbin/udevd
local udevd_bin=/sbin/udevd
[ ! -e "${udevd_bin}" ] && udevd_bin=/usr/lib/systemd/systemd-udevd
# systemd-210, moved udevd to another location
[ ! -e "${udevd_bin}" ] && udevd_bin=/lib/systemd/systemd-udevd
[ ! -e "${udevd_bin}" ] && gen_die "cannot find udevd"
local udevadm_bin=/bin/udevadm
[ ! -e "${udevadm_bin}" ] && udevadm_bin=/usr/bin/udevadm
# Copy binaries
copy_binaries "${TEMP}/initramfs-udev-temp" \
"${udevd_bin}" "${udevadm_bin}" "${udev_dir}/scsi_id" \
"${udev_dir}/ata_id" "${udev_dir}/mtd_probe"
cd "${TEMP}/initramfs-udev-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing udev cpio"
cd "${TEMP}"
rm -rf "${TEMP}/initramfs-udev-temp" > /dev/null
}
append_ld_so_conf() {
local tmp_dir="${TEMP}/initramfs-ld-temp"
rm -rf "${tmp_dir}"
mkdir -p "${tmp_dir}"
print_info 1 'ldconfig: adding /sbin/ldconfig...'
# Add ldconfig to the initramfs so that we can
# run ldconfig at runtime if needed.
copy_binaries "${tmp_dir}" "/sbin/ldconfig"
print_info 1 'ld.so.conf: adding /etc/ld.so.conf{.d/*,}...'
local f= f_dir=
for f in /etc/ld.so.conf /etc/ld.so.conf.d/*; do
if [ -f "${f}" ]; then
f_dir=$(dirname "${f}")
tmp_f_dir="${tmp_dir}/${f_dir}"
mkdir -p "${tmp_f_dir}" || \
gen_die "cannot create dir ${tmp_f_dir}"
cp -a "${f}" "${tmp_f_dir}/" || \
gen_die "cannot copy ${f} to ${tmp_f_dir}"
fi
done
cd "${tmp_dir}" || gen_die "cannot cd into ${tmp_dir}"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing ld.so.conf.* cpio"
cd "$(dirname "${tmp_dir}")"
rm -rf "${tmp_dir}"
# Unfortunately genkernel works by appending cruft over crut
# but we need to generate a valid ld.so.conf. So we extract the
# current CPIO archive, run ldconfig -r against it and append the
# last bits.
#
# We only do this if we are "root", because "ldconfig -r" requires
# root privileges to chroot. If we are not root we don't generate the
# ld.so.cache here, but expect that ldconfig would regenerate it when the
# machine boots.
if [[ $(id -u) == 0 && -z ${FAKED_MODE:-} ]]; then
local tmp_dir_ext="${tmp_dir}/extracted"
mkdir -p "${tmp_dir_ext}"
mkdir -p "${tmp_dir}/etc"
cd "${tmp_dir_ext}" || gen_die "cannot cd into ${tmp_dir_ext}"
cpio -id --quiet < "${CPIO}" || gen_die "cannot re-extract ${CPIO}"
cd "${tmp_dir}" || gen_die "cannot cd into ${tmp_dir}"
ldconfig -r "${tmp_dir_ext}" || \
gen_die "cannot run ldconfig on ${tmp_dir_ext}"
cp -a "${tmp_dir_ext}/etc/ld.so.cache" "${tmp_dir}/etc/ld.so.cache" || \
gen_die "cannot copy ld.so.cache"
rm -rf "${tmp_dir_ext}"
cd "${tmp_dir}" || gen_die "cannot cd into ${tmp_dir}"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing ld.so.cache cpio"
cd "$(dirname "${tmp_dir}")"
rm -rf "${tmp_dir}"
fi
}
print_list()
{
local x
for x in ${*}
do
echo ${x}
done
}
append_modules() {
local group
local group_modules
local MOD_EXT=".ko"
print_info 2 "initramfs: >> Searching for modules..."
if [ "${INSTALL_MOD_PATH}" != '' ]
then
cd ${INSTALL_MOD_PATH}
else
cd /
fi
if [ -d "${TEMP}/initramfs-modules-${KV}-temp" ]
then
rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
fi
mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/lib/modules/${KV}"
for i in `gen_dep_list`
do
mymod=`find ./lib/modules/${KV} -name "${i}${MOD_EXT}" 2>/dev/null| head -n 1 `
if [ -z "${mymod}" ]
then
print_warning 2 "Warning :: ${i}${MOD_EXT} not found; skipping..."
continue;
fi
print_info 2 "initramfs: >> Copying ${i}${MOD_EXT}..."
cp -ax --parents "${mymod}" "${TEMP}/initramfs-modules-${KV}-temp"
done
cp -ax --parents ./lib/modules/${KV}/modules* ${TEMP}/initramfs-modules-${KV}-temp 2>/dev/null
mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/etc/modules"
for group_modules in ${!MODULES_*}; do
group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
print_list ${!group_modules} > "${TEMP}/initramfs-modules-${KV}-temp/etc/modules/${group}"
done
cd "${TEMP}/initramfs-modules-${KV}-temp/"
log_future_cpio_content
find . | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing modules cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
}
append_drm() {
local MOD_EXT=".ko"
print_info 2 "initramfs: >> Appending drm drivers..."
if [ "${INSTALL_MOD_PATH}" != '' ]
then
cd ${INSTALL_MOD_PATH}
else
cd /
fi
rm -rf "${TEMP}/initramfs-drm-${KV}-temp/"
mkdir -p "${TEMP}/initramfs-drm-${KV}-temp/lib/modules/${KV}"
local mods_path="./lib/modules/${KV}"
local drm_path="${mods_path}/kernel/drivers/gpu/drm"
local modules
if [ -d "${drm_path}" ]
then
modules=$(strip_mod_paths $(find "${drm_path}" -name "*${MOD_EXT}"))
else
print_warning 2 "Warning :: no drm modules in drivers/gpu/drm..."
fi
rm -f "${TEMP}/moddeps"
gen_deps ${modules}
if [ -f "${TEMP}/moddeps" ]
then
modules=$(cat "${TEMP}/moddeps" | sort | uniq)
else
print_warning 2 "Warning :: module dependencies not generated..."
fi
local mod i fws fw
for i in ${modules}
do
mod=$(find "${mods_path}" -name "${i}${MOD_EXT}" 2>/dev/null| head -n 1)
if [ -z "${mod}" ]
then
print_warning 2 "Warning :: ${i}${MOD_EXT} not found; skipping..."
continue
fi
print_info 2 "initramfs: >> Copying ${mod}..."
cp -ax --parents "${mod}" "${TEMP}/initramfs-drm-${KV}-temp"
fws=( $(get_firmware_files "${mod}") )
for fw in "${fws[@]}"
do
# we must use /lib/firmware because kernel may not
# contain all the firmware files and /lib/firmware is
# expected to be more up-to-date.
print_info 2 "initramfs: >> Copying firmware ${fw}..."
cp -ax --parents "/lib/firmware/${fw}" \
"${TEMP}/initramfs-drm-${KV}-temp"
done
done
cd "${TEMP}/initramfs-drm-${KV}-temp/"
log_future_cpio_content
find . | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing drm cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-drm-${KV}-temp/"
}
append_modprobed() {
local TDIR="${TEMP}/initramfs-modprobe.d-temp"
if [ -d "${TDIR}" ]
then
rm -r "${TDIR}"
fi
mkdir -p "${TDIR}/etc"
cp -r "${MODPROBEDIR}" "${TDIR}/etc/modprobe.d"
cd "${TDIR}"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing modprobe.d cpio"
cd "${TEMP}"
rm -rf "${TDIR}" > /dev/null
}
# check for static linked file with objdump
is_static() {
LANG="C" LC_ALL="C" objdump -T $1 2>&1 | grep "not a dynamic object" > /dev/null
return $?
}
append_auxilary() {
if [ -d "${TEMP}/initramfs-aux-temp" ]
then
rm -r "${TEMP}/initramfs-aux-temp/"
fi
mkdir -p "${TEMP}/initramfs-aux-temp/etc"
mkdir -p "${TEMP}/initramfs-aux-temp/sbin"
if [ -f "${CMD_LINUXRC}" ]
then
cp "${CMD_LINUXRC}" "${TEMP}/initramfs-aux-temp/init"
print_info 2 " >> Copying user specified linuxrc: ${CMD_LINUXRC} to init"
else
if isTrue ${NETBOOT}
then
cp "${GK_SHARE}/netboot/linuxrc.x" "${TEMP}/initramfs-aux-temp/init"
else
if [ -f "${GK_SHARE}/arch/${ARCH}/linuxrc" ]
then
cp "${GK_SHARE}/arch/${ARCH}/linuxrc" "${TEMP}/initramfs-aux-temp/init"
else
cp "${GK_SHARE}/defaults/linuxrc" "${TEMP}/initramfs-aux-temp/init"
fi
fi
fi
# Make sure it's executable
chmod 0755 "${TEMP}/initramfs-aux-temp/init"
# Make a symlink to init .. incase we are bundled inside the kernel as one
# big cpio.
cd ${TEMP}/initramfs-aux-temp
ln -s init linuxrc
# ln ${TEMP}/initramfs-aux-temp/init ${TEMP}/initramfs-aux-temp/linuxrc
if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.scripts" ]
then
cp "${GK_SHARE}/arch/${ARCH}/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
else
cp "${GK_SHARE}/defaults/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
fi
if [ -d "${GK_SHARE}/arch/${ARCH}/initrd.d" ]
then
cp -r "${GK_SHARE}/arch/${ARCH}/initrd.d" \
"${TEMP}/initramfs-aux-temp/etc/"
else
cp -r "${GK_SHARE}/defaults/initrd.d" \
"${TEMP}/initramfs-aux-temp/etc/"
fi
if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.defaults" ]
then
cp "${GK_SHARE}/arch/${ARCH}/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
else
cp "${GK_SHARE}/defaults/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
fi
if [ -n "${REAL_ROOT}" ]
then
sed -i "s:^REAL_ROOT=.*$:REAL_ROOT='${REAL_ROOT}':" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
fi
echo -n 'HWOPTS="$HWOPTS ' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
for group_modules in ${!MODULES_*}; do
group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
echo -n "${group} " >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
done
echo '"' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
if isTrue $CMD_DOKEYMAPAUTO
then
echo 'MY_HWOPTS="${MY_HWOPTS} keymap"' >> ${TEMP}/initramfs-aux-temp/etc/initrd.defaults
fi
if isTrue $CMD_KEYMAP
then
print_info 1 " >> Copying keymaps"
mkdir -p "${TEMP}/initramfs-aux-temp/lib/"
cp -R "${GK_SHARE}/defaults/keymaps" "${TEMP}/initramfs-aux-temp/lib/" \
|| gen_die "Error while copying keymaps"
fi
cd ${TEMP}/initramfs-aux-temp/sbin && ln -s ../init init
cd ${TEMP}
chmod +x "${TEMP}/initramfs-aux-temp/init"
chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.d/"*
if isTrue ${NETBOOT}
then
cd "${GK_SHARE}/netboot/misc"
cp -pPRf * "${TEMP}/initramfs-aux-temp/"
fi
cd "${TEMP}/initramfs-aux-temp/"
log_future_cpio_content
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing auxilary cpio"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-aux-temp/"
}
append_data() {
local name=$1 var=$2
local func="append_${name}"
[ $# -eq 0 ] && gen_die "append_data() called with zero arguments"