#!/bin/bash # $Id$ CPIO_ARGS="--quiet -o -H newc" # 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 genkernel@gentoo.org. # # 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 (error checking) # - Robin H. Johnson (complete rewrite) # - Richard Yao (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 mknod -m 660 console c 5 1 mknod -m 660 null c 1 3 mknod -m 660 zero c 1 5 mknod -m 600 tty0 c 4 0 mknod -m 600 tty1 c 4 1 mknod -m 600 ttyS0 c 4 64 chmod 1777 shm # bug 476278 date -u '+%Y%m%d-%H%M%S' > ${TEMP}/initramfs-base-temp/etc/build_date echo "Genkernel $GK_V" > ${TEMP}/initramfs-base-temp/etc/build_id cd "${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 mountpoint" 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 mod_applets="sbin/modprobe sbin/insmod sbin/rmmod bin/lsmod" local dir= local name= for i in ${mod_applets}; do dir=$(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/" if [[ "${DISKLABEL}" = "1" ]]; then copy_binaries "${TEMP}"/initramfs-blkid-temp/ /sbin/blkid fi 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 "${TEMP}/initramfs-iscsi-temp/usr/sbin/" copy_binaries /usr/sbin/iscsistart cd "${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 "${TEMP}/initramfs-lvm-temp" ] then rm -r "${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)...' udev_files=( $(qlist -e sys-fs/lvm2:0 | grep ^/lib/udev/rules.d) ) for f in "${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 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 "${TEMP}" rm -r "${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 ${i} for ZFS" fi done # Copy binaries copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zfs,zpool} 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_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} 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" local libs=( "/lib*/libply-splash-core.so.*" "/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+=( "${final_lib}" ) done copy_binaries "${TEMP}/initramfs-ply-temp" \ /sbin/plymouthd /bin/plymouth \ "${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 udev_files=" /lib/udev/rules.d/50-udev-default.rules /lib/udev/rules.d/60-persistent-storage.rules /lib/udev/rules.d/80-drivers.rules /etc/udev/udev.conf " udev_maybe_files=" /lib/udev/rules.d/40-gentoo.rules /lib/udev/rules.d/99-systemd.rules /etc/modprobe.d/blacklist.conf " 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 ${f} from udev" fi done # Copy binaries copy_binaries "${TEMP}/initramfs-udev-temp" \ /sbin/udevd /bin/udevadm /lib/udev/scsi_id \ /lib/udev/ata_id /lib/udev/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() { print_info 1 'ld.so.conf: adding /etc/ld.so.conf{.d/*,}...' local tmp_dir="${TEMP}/initramfs-ld-temp" rm -rf "${tmp_dir}" mkdir -p "${tmp_dir}" local f= f_dir= for f in /etc/ld.so.conf /etc/ld.so.conf.d/*; do if [ -f "${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 "${tmp_dir}" # Unfortunately genkernel works by appending cruft over crut # but we need to generate a valid ld.so.conf. So we extract the # current CPIO archive, run ldconfig -r against it and append the # last bits. local tmp_dir_ext="${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}" } 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 drm_path="./lib/modules/${KV}/kernel/drivers/gpu/drm" local modules if [ -d "${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 "${drm_path}" -name "${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/" } # 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 [ -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" 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" if [ $# -eq 1 ] || isTrue ${var} then print_info 1 " >> Appending ${name} cpio data..." ${func} || gen_die "${func}() failed" fi } create_initramfs() { local compress_ext="" print_info 1 "initramfs: >> Initializing..." # Create empty cpio CPIO="${TMPDIR}/initramfs-${KV}" echo | cpio ${CPIO_ARGS} -F "${CPIO}" 2>/dev/null \ || gen_die "Could not create empty cpio at ${CPIO}" append_data 'base_layout' append_data 'udev' "${UDEV}" append_data 'auxilary' "${BUSYBOX}" append_data 'busybox' "${BUSYBOX}" isTrue "${CMD_E2FSPROGS}" && append_data 'e2fsprogs' append_data 'lvm' "${LVM}" append_data 'dmraid' "${DMRAID}" append_data 'iscsi' "${ISCSI}" append_data 'mdadm' "${MDADM}" append_data 'luks' "${LUKS}" append_data 'multipath' "${MULTIPATH}" append_data 'gpg' "${GPG}" if [ "${RAMDISKMODULES}" = '1' ] then append_data 'modules' else print_info 1 "initramfs: Not copying modules..." fi append_data 'zfs' "${ZFS}" append_data 'blkid' "${DISKLABEL}" append_data 'splash' "${SPLASH}" append_data 'plymouth' "${PLYMOUTH}" isTrue "${PLYMOUTH}" && append_data 'drm' if isTrue "${FIRMWARE}" && [ -n "${FIRMWARE_DIR}" ] then append_data 'firmware' fi # This should always be appended last if [ "${INITRAMFS_OVERLAY}" != '' ] then append_data 'overlay' fi # keep this at the very end, generates /etc/ld.so.conf* and cache append_data 'ld_so_conf' # Finalize cpio by removing duplicate files print_info 1 " >> Finalizing cpio..." local TDIR="${TEMP}/initramfs-final" mkdir -p "${TDIR}" cd "${TDIR}" cpio --quiet -i -F "${CPIO}" 2> /dev/null \ || gen_die "extracting cpio for finalization" find . -print | cpio ${CPIO_ARGS} -F "${CPIO}" 2>/dev/null \ || gen_die "recompressing cpio" cd "${TEMP}" rm -r "${TDIR}" if isTrue "${INTEGRATED_INITRAMFS}" then # Explicitly do not compress if we are integrating into the kernel. # The kernel will do a better job of it than us. mv ${TMPDIR}/initramfs-${KV} ${TMPDIR}/initramfs-${KV}.cpio sed -i '/^.*CONFIG_INITRAMFS_SOURCE=.*$/d' ${KERNEL_DIR}/.config compress_config='INITRAMFS_COMPRESSION_NONE' case ${compress_ext} in gz) compress_config='INITRAMFS_COMPRESSION_GZIP' ;; bz2) compress_config='INITRAMFS_COMPRESSION_BZIP2' ;; lzma) compress_config='INITRAMFS_COMPRESSION_LZMA' ;; xz) compress_config='INITRAMFS_COMPRESSION_XZ' ;; lzo) compress_config='INITRAMFS_COMPRESSION_LZO' ;; *) compress_config='INITRAMFS_COMPRESSION_NONE' ;; esac # All N default except XZ, so there it gets used if the kernel does # compression on it's own. cat >>${KERNEL_DIR}/.config <<-EOF CONFIG_INITRAMFS_SOURCE="${TMPDIR}/initramfs-${KV}.cpio${compress_ext}" CONFIG_INITRAMFS_ROOT_UID=0 CONFIG_INITRAMFS_ROOT_GID=0 CONFIG_INITRAMFS_COMPRESSION_NONE=n CONFIG_INITRAMFS_COMPRESSION_GZIP=n CONFIG_INITRAMFS_COMPRESSION_BZIP2=n CONFIG_INITRAMFS_COMPRESSION_LZMA=n CONFIG_INITRAMFS_COMPRESSION_XZ=y CONFIG_INITRAMFS_COMPRESSION_LZO=n CONFIG_${compress_config}=y EOF else if isTrue "${COMPRESS_INITRD}" then # NOTE: We do not work with ${KERNEL_CONFIG} here, since things like # "make oldconfig" or --noclean could be in effect. if [ -f "${KERNEL_DIR}"/.config ]; then local ACTUAL_KERNEL_CONFIG="${KERNEL_DIR}"/.config else local ACTUAL_KERNEL_CONFIG="${KERNEL_CONFIG}" fi if [[ "$(file --brief --mime-type "${ACTUAL_KERNEL_CONFIG}")" == application/x-gzip ]]; then # Support --kernel-config=/proc/config.gz, mainly local CONFGREP=zgrep else local CONFGREP=grep fi cmd_xz=$(type -p xz) cmd_lzma=$(type -p lzma) cmd_bzip2=$(type -p bzip2) cmd_gzip=$(type -p gzip) cmd_lzop=$(type -p lzop) pkg_xz='app-arch/xz-utils' pkg_lzma='app-arch/xz-utils' pkg_bzip2='app-arch/bzip2' pkg_gzip='app-arch/gzip' pkg_lzop='app-arch/lzop' local compression case ${COMPRESS_INITRD_TYPE} in xz|lzma|bzip2|gzip|lzop) compression=${COMPRESS_INITRD_TYPE} ;; lzo) compression=lzop ;; best|fastest) for tuple in \ 'CONFIG_RD_XZ cmd_xz xz' \ 'CONFIG_RD_LZMA cmd_lzma lzma' \ 'CONFIG_RD_BZIP2 cmd_bzip2 bzip2' \ 'CONFIG_RD_GZIP cmd_gzip gzip' \ 'CONFIG_RD_LZO cmd_lzop lzop'; do set -- ${tuple} kernel_option=$1 cmd_variable_name=$2 if ${CONFGREP} -q "^${kernel_option}=y" "${ACTUAL_KERNEL_CONFIG}" && test -n "${!cmd_variable_name}" ; then compression=$3 [[ ${COMPRESS_INITRD_TYPE} == best ]] && break fi done [[ -z "${compression}" ]] && gen_die "None of the initramfs compression methods we tried are supported by your kernel (config file \"${ACTUAL_KERNEL_CONFIG}\"), strange!?" ;; *) gen_die "Compression '${COMPRESS_INITRD_TYPE}' unknown" ;; esac # Check for actual availability cmd_variable_name=cmd_${compression} pkg_variable_name=pkg_${compression} [[ -z "${!cmd_variable_name}" ]] && gen_die "Compression '${compression}' is not available. Please install package '${!pkg_variable_name}'." case $compression in xz) compress_ext='.xz' compress_cmd="${cmd_xz} -e --check=none -z -f -9" ;; lzma) compress_ext='.lzma' compress_cmd="${cmd_lzma} -z -f -9" ;; bzip2) compress_ext='.bz2' compress_cmd="${cmd_bzip2} -z -f -9" ;; gzip) compress_ext='.gz' compress_cmd="${cmd_gzip} -f -9" ;; lzop) compress_ext='.lzo' compress_cmd="${cmd_lzop} -f -9" ;; esac if [ -n "${compression}" ]; then print_info 1 " >> Compressing cpio data (${compress_ext})..." ${compress_cmd} "${CPIO}" || gen_die "Compression (${compress_cmd}) failed" mv -f "${CPIO}${compress_ext}" "${CPIO}" || gen_die "Rename failed" else print_info 1 " >> Not compressing cpio data ..." fi fi fi if isTrue "${CMD_INSTALL}" then if ! isTrue "${INTEGRATED_INITRAMFS}" then copy_image_with_preserve "initramfs" \ "${TMPDIR}/initramfs-${KV}" \ "initramfs-${KNAME}-${ARCH}-${KV}" fi fi }