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|
#!/bin/bash
CPIO_ARGS="--quiet -o -H newc"
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
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/proc
mkdir -p ${TEMP}/initramfs-base-temp/temp
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
ln -s lib ${TEMP}/initramfs-base-temp/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 ${TEMP}/initramfs-base-temp/dev
mknod -m 660 console c 5 1
mknod -m 660 null c 1 3
mknod -m 600 tty1 c 4 1
cd "${TEMP}/initramfs-base-temp/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
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/"
cp "${GK_SHARE}/generic/udhcpc.scripts" ${TEMP}/initramfs-busybox-temp/bin/
chmod +x "${TEMP}/initramfs-busybox-temp/bin/udhcpc.scripts"
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"
for i in '[' ash sh mount uname echo cut; do
rm -f ${TEMP}/initramfs-busybox-temp/bin/$i > /dev/null
ln ${TEMP}/initramfs-busybox-temp/bin/busybox ${TEMP}/initramfs-busybox-temp/bin/$i ||
gen_die "Busybox error: could not link ${i}!"
done
cd "${TEMP}/initramfs-busybox-temp/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
}
append_blkid(){
if [ -d "${TEMP}/initramfs-blkid-temp" ]
then
rm -r "${TEMP}/initramfs-blkid-temp/"
fi
cd ${TEMP}
mkdir -p "${TEMP}/initramfs-blkid-temp/bin/"
[ "${DISKLABEL}" -eq '1' ] && { /bin/bzip2 -dc "${BLKID_BINCACHE}" > "${TEMP}/initramfs-blkid-temp/bin/blkid" ||
gen_die "Could not extract blkid binary cache!"; }
chmod a+x "${TEMP}/initramfs-blkid-temp/bin/blkid"
cd "${TEMP}/initramfs-blkid-temp/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -rf "${TEMP}/initramfs-blkid-temp" > /dev/null
}
#append_suspend(){
# if [ -d "${TEMP}/initramfs-suspend-temp" ];
# then
# rm -r "${TEMP}/initramfs-suspend-temp/"
# fi
# print_info 1 'SUSPEND: Adding support (compiling binaries)...'
# compile_suspend
# mkdir -p "${TEMP}/initramfs-suspend-temp/"
# /bin/tar -jxpf "${SUSPEND_BINCACHE}" -C "${TEMP}/initramfs-suspend-temp" ||
# gen_die "Could not extract suspend binary cache!"
# mkdir -p "${TEMP}/initramfs-suspend-temp/etc"
# cp -f /etc/suspend.conf "${TEMP}/initramfs-suspend-temp/etc" ||
# gen_die 'Could not copy /etc/suspend.conf'
# cd "${TEMP}/initramfs-suspend-temp/"
# find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
# rm -r "${TEMP}/initramfs-suspend-temp/"
#}
append_dmraid(){
if [ -d "${TEMP}/initramfs-dmraid-temp" ]
then
rm -r "${TEMP}/initramfs-dmraid-temp/"
fi
print_info 1 'DMRAID: Adding support (compiling binaries)...'
compile_dmraid
mkdir -p "${TEMP}/initramfs-dmraid-temp/"
/bin/tar -jxpf "${DMRAID_BINCACHE}" -C "${TEMP}/initramfs-dmraid-temp" ||
gen_die "Could not extract dmraid binary cache!";
cd "${TEMP}/initramfs-dmraid-temp/"
RAID456=`find . -type f -name raid456.ko`
if [ -n "${RAID456}" ]
then
cd "${RAID456/raid456.ko/}"
ln -sf raid456.kp raid45.ko
cd "${TEMP}/initramfs-dmraid-temp/"
fi
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -r "${TEMP}/initramfs-dmraid-temp/"
}
append_lvm(){
if [ -d "${TEMP}/initramfs-lvm-temp" ]
then
rm -r "${TEMP}/initramfs-lvm-temp/"
fi
cd ${TEMP}
mkdir -p "${TEMP}/initramfs-lvm-temp/bin/"
mkdir -p "${TEMP}/initramfs-lvm-temp/etc/lvm/"
if [ -e '/sbin/lvm' ] && LC_ALL="C" ldd /sbin/lvm|grep -q 'not a dynamic executable'
then
print_info 1 ' LVM: Adding support (using local static binaries)...'
cp /sbin/lvm "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
gen_die 'Could not copy over lvm!'
else
print_info 1 ' LVM: Adding support (compiling binaries)...'
compile_lvm
/bin/tar -jxpf "${LVM_BINCACHE}" -C "${TEMP}/initramfs-lvm-temp" ||
gen_die "Could not extract lvm binary cache!";
mv ${TEMP}/initramfs-lvm-temp/sbin/lvm.static ${TEMP}/initramfs-lvm-temp/bin/lvm ||
gen_die 'LVM error: Could not move lvm.static to lvm!'
fi
if [ -x /sbin/lvm ]
then
# lvm dumpconfig 2>&1 > /dev/null || gen_die 'Could not copy over lvm.conf!'
# ret=$?
# if [ ${ret} != 0 ]
# then
cp /etc/lvm/lvm.conf "${TEMP}/initramfs-lvm-temp/etc/lvm/" ||
gen_die 'Could not copy over lvm.conf!'
# else
# gen_die 'Could not copy over lvm.conf!'
# fi
fi
cd "${TEMP}/initramfs-lvm-temp/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -r "${TEMP}/initramfs-lvm-temp/"
}
append_evms(){
if [ -d "${TEMP}/initramfs-evms-temp" ]
then
rm -r "${TEMP}/initramfs-evms-temp/"
fi
mkdir -p "${TEMP}/initramfs-evms-temp/lib/evms"
mkdir -p "${TEMP}/initramfs-evms-temp/etc/"
mkdir -p "${TEMP}/initramfs-evms-temp/bin/"
mkdir -p "${TEMP}/initramfs-evms-temp/sbin/"
if [ "${EVMS}" -eq '1' ]
then
print_info 1 ' EVMS: Adding support...'
mkdir -p ${TEMP}/initramfs-evms-temp/lib
cp -a /lib/ld-* "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
if [ -n "`ls /lib/libgcc_s*`" ]
then
cp -a /lib/libgcc_s* "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
fi
cp -a /lib/libc-* /lib/libc.* "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
cp -a /lib/libdl-* /lib/libdl.* "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
cp -a /lib/libpthread* "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
cp -a /lib/libuuid*so* "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
cp -a /lib/libevms*so* "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
cp -a /lib/evms "${TEMP}/initramfs-evms-temp/lib" \
|| gen_die 'Could not copy files for EVMS!'
cp -a /lib/evms/* "${TEMP}/initramfs-evms-temp/lib/evms" \
|| gen_die 'Could not copy files for EVMS!'
cp -a /etc/evms.conf "${TEMP}/initramfs-evms-temp/etc" \
|| gen_die 'Could not copy files for EVMS!'
cp /sbin/evms_activate "${TEMP}/initramfs-evms-temp/sbin" \
|| gen_die 'Could not copy over evms_activate!'
# Fix EVMS complaining that it can't find the swap utilities.
# These are not required in the initramfs
for swap_libs in "${TEMP}/initramfs-evms-temp/lib/evms/*/swap*.so"
do
rm ${swap_libs}
done
fi
cd "${TEMP}/initramfs-evms-temp/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -r "${TEMP}/initramfs-evms-temp/"
}
append_mdadm(){
if [ -d "${TEMP}/initramfs-mdadm-temp" ]
then
rm -r "${TEMP}/initramfs-mdadm-temp/"
fi
cd ${TEMP}
mkdir -p "${TEMP}/initramfs-mdadm-temp/etc/"
if [ "${MDADM}" -eq '1' ]
then
cp -a /etc/mdadm.conf "${TEMP}/initramfs-mdadm-temp/etc" \
|| gen_die "Could not copy mdadm.conf!"
fi
cd "${TEMP}/initramfs-mdadm-temp/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
rm -rf "${TEMP}/initramfs-mdadm-temp" > /dev/null
}
append_splash(){
splash_geninitramfs=`which splash_geninitramfs 2>/dev/null`
if [ -x "${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/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "compressing splash cpio"
rm -r "${TEMP}/initramfs-splash-temp/"
else
print_warning 1 ' >> No splash detected; skipping!'
fi
}
append_overlay(){
cd ${INITRAMFS_OVERLAY}
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
}
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"
if [ -n "${FIRMWARE_FILES}" ]
then
OLD_IFS=$IFS
IFS=","
for i in ${FIRMWARE_FILES}
do
cp -a "${i}" ${TEMP}/initramfs-firmware-temp/lib/firmware/
done
IFS=$OLD_IFS
else
cp -a "${FIRMWARE_DIR}/*" ${TEMP}/initramfs-firmware-temp/lib/firmware/
fi
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
|| gen_die "appending firmware to cpio"
rm -r "${TEMP}/initramfs-firmware-temp/"
}
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/"
find . | cpio ${CPIO_ARGS} --append -F "${CPIO}"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-modules-${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: ${CMD_LINUXRC} to init"
else
if [ -f "${GK_SHARE}/${ARCH}/linuxrc" ]
then
cp "${GK_SHARE}/${ARCH}/linuxrc" "${TEMP}/initramfs-aux-temp/init"
else
cp "${GK_SHARE}/generic/linuxrc" "${TEMP}/initramfs-aux-temp/init"
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}/${ARCH}/initrd.scripts" ]
then
cp "${GK_SHARE}/${ARCH}/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
else
cp "${GK_SHARE}/generic/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
fi
if [ -f "${GK_SHARE}/${ARCH}/initrd.defaults" ]
then
cp "${GK_SHARE}/${ARCH}/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
else
cp "${GK_SHARE}/generic/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
fi
echo -n 'HWOPTS="$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 [ -f "${GK_SHARE}/${ARCH}/modprobe" ]
then
cp "${GK_SHARE}/${ARCH}/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
else
cp "${GK_SHARE}/generic/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
fi
if isTrue $CMD_DOKEYMAPAUTO
then
echo 'MY_HWOPTS="${MY_HWOPTS} keymap"' >> ${TEMP}/initramfs-aux-temp/etc/initrd.defaults
fi
if isTrue $CMD_KEYMAP
then
mkdir -p "${TEMP}/initramfs-aux-temp/lib/keymaps"
/bin/tar -C "${TEMP}/initramfs-aux-temp/lib/keymaps" -zxf "${GK_SHARE}/generic/keymaps.tar.gz"
fi
if isTrue $CMD_SLOWUSB
then
echo 'MY_HWOPTS="${MY_HWOPTS} slowusb"' >> ${TEMP}/initramfs-aux-temp/etc/initrd.defaults
fi
if isTrue ${LUKS}
then
if is_static /bin/cryptsetup
then
print_info 1 "Including LUKS support"
rm -f ${TEMP}/initramfs-aux-temp/sbin/cryptsetup
cp /bin/cryptsetup ${TEMP}/initramfs-aux-temp/sbin/cryptsetup
chmod +x "${TEMP}/initramfs-aux-temp/sbin/cryptsetup"
elif is_static /sbin/cryptsetup
then
print_info 1 "Including LUKS support"
rm -f ${TEMP}/initramfs-aux-temp/sbin/cryptsetup
cp /sbin/cryptsetup ${TEMP}/initramfs-aux-temp/sbin/cryptsetup
chmod +x "${TEMP}/initramfs-aux-temp/sbin/cryptsetup"
else
print_info 1 "LUKS support requires static cryptsetup at /bin/cryptsetup or /sbin/cryptsetup"
print_info 1 "Not including LUKS support"
fi
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 "${TEMP}/initramfs-aux-temp/sbin/modprobe"
cd "${TEMP}/initramfs-aux-temp/"
find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
cd "${TEMP}"
rm -r "${TEMP}/initramfs-aux-temp/"
}
append_data() {
local name=$1 var=$2
local func="append_${name}"
if [ $# -eq 1 ] || [ ${var} -eq 1 ]
then
print_info 1 " >> Appending ${name} cpio data..."
${func}
fi
}
create_initramfs() {
print_info 1 "initramfs: >> Initializing..."
# Create empty cpio
CPIO="${TMPDIR}/initramfs-${KV}"
echo | cpio ${CPIO_ARGS} -F "${CPIO}" 2>/dev/null \
|| gen_die "Could not create empty cpio at ${CPIO}"
append_data 'base_layout'
append_data 'auxilary'
append_data 'busybox' "${BUSYBOX}"
append_data 'lvm' "${LVM}"
append_data 'dmraid' "${DMRAID}"
append_data 'evms' "${EVMS}"
append_data 'mdadm' "${MDADM}"
if [ "${NOINITRDMODULES}" -eq '0' ]
then
append_data 'modules'
else
print_info 1 "initramfs: Not copying modules..."
fi
append_data 'blkid' "${DISKLABEL}"
append_data 'splash' "${SPLASH}"
if isTrue "${FIRMWARE}" && [ -n "${FIRMWARE_DIR}" ]
then
append_data 'firmware'
fi
# This should always be appended last
if [ "${INITRAMFS_OVERLAY}" != '' ]
then
append_data 'overlay'
fi
gzip -9 "${CPIO}"
mv -f "${CPIO}.gz" "${CPIO}"
if [ "${ENABLE_PEGASOS_HACKS}" = 'yes' ]
then
# Pegasos hack for merging the initramfs into the kernel at compile time
cp ${TMPDIR}/initramfs-${KV} ${KERNEL_DIR}/arch/powerpc/boot/ramdisk.image.gz &&
rm ${TMPDIR}/initramfs-${KV}
elif [ ${BUILD_INITRAMFS} -eq '1' ]
then
# Mips also mimics Pegasos to merge the initramfs into the kernel
cp ${TMPDIR}/initramfs-${KV} ${KERNEL_DIR}/initramfs.cpio.gz
gunzip -f ${KERNEL_DIR}/initramfs.cpio.gz
fi
if ! isTrue "${CMD_NOINSTALL}"
then
if [ "${ENABLE_PEGASOS_HACKS}" != 'yes' ]
then
copy_image_with_preserve "initramfs" \
"${TMPDIR}/initramfs-${KV}" \
"initramfs-${KNAME}-${ARCH}-${KV}"
fi
fi
}
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