# list of geninitrd modules which need setup routine after commandline args parsing
GENINITRD_MODS=""
COMPRESS=yes
+LILO_MICROCODE=yes
STRIP=/usr/bin/strip
target=""
kernel=""
usage() {
echo "Usage: $PROGRAM [--version] [-v] [-f] [--ifneeded] [--preload <module>]"
echo " [--with=<module>] [--image-version] [--fstab=<fstab>] [--nocompress]"
- echo " [--compress=yes|xz|lzma|bzip2|gzip|lzo]"
+ echo " [--compress=yes|zstd|xz|lzma|bzip2|gzip|lzo]"
echo " [--nostrip ] [--strip PATH/strip] [--strip=PATH/strip]"
echo " [--initrdfs=rom|initramfs|ext2|cram] [--modules-conf=<modules.conf>]"
echo " [--with-bootsplash] [--without-bootsplash]"
# find program from specified paths
find_tool() {
local x p b n
- local paths="$initrd_dir /bin /sbin /usr/bin /usr/sbin"
+ local paths="$initrd_dirs /bin /sbin /usr/bin /usr/sbin"
for x in "$@"; do
debug "find_tool: checking $x"
if [ -x "$x" ]; then
fi
run_mounted=yes
- echo "mount -t tmpfs run /run" | add_linuxrc
+ echo "mount -t tmpfs run /run -o mode=0755,noexec,nosuid,nodev" | add_linuxrc
}
# unmount all mountpoints mounted by geninitrd
if is_yes "$run_mounted"; then
add_linuxrc <<-EOF
- mount --bind /run /newroot/run
- umount /run
+ mount -n --move /run /newroot/run
EOF
run_mounted=no
fi
smodule=$(basename_module $modpath)
case "$smodule" in
btrfs)
+ warn "mounting multidevice btrfs volume requires rootfsflags=device=/dev/...,device=/dev/... kernel option"
+ find_depmod "-libcrc32c"
+ ;;
+ ext4)
find_depmod "-libcrc32c"
;;
crc-t10dif)
mkdir -p $parentDir
fi
verbose "+ cp $* DESTDIR$dest"
- cp -HR "$@" "$DESTDIR$dest"
+ cp -HRp "$@" "$DESTDIR$dest"
}
inst_d() {
inst "$@" $dest
- local obj lib libs
+ local obj lib libs libs_additional libdir
for obj in "$@"; do
case "$obj" in
/lib/ld-linux.so.2 | /lib64/ld-linux-x86-64.so.2 | /libx32/ld-linux-x32.so.2)
continue
+ ;;
+ /lib/libpthread.so* | /lib64/libpthread.so* | /libx32/libpthread.so*)
+ libs_additional="${obj%/libpthread*}/libgcc_s.so.1"
+ ;;
esac
- libs=$(ldd "$obj" | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u)
- for lib in $libs; do
+
+ libs=$(ldd "$obj" 2> /dev/null | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u)
+ for lib in $libs $libs_additional; do
libdir=$(cd $(dirname "$lib"); pwd)
if [ ! -f "$DESTDIR/$lib" ]; then
inst_d $libdir
# hack for uclibc linked binaries requiring this fixed path
# XXX: shouldn't rpath be used here instead so th
- if [ -f $DESTDIR/$_lib/libc.so.0 ]; then
- lib=$DESTDIR/$_lib/libc.so.0
- lib=$(ldd "$lib" | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u)
- libdir=$(cd $(dirname "$lib"); pwd)
- if [ ! -e $DESTDIR$libdir ]; then
- libdir=$(dirname "$libdir")
- inst_d $libdir
- verbose "+ ln -s /$_lib $DESTDIR$libdir"
- ln -s /$_lib $DESTDIR$libdir
+ for _lib in $(get_libdir LIBDIR); do
+ if [ -f $DESTDIR/$_lib/libc.so.0 ]; then
+ lib=$DESTDIR/$_lib/libc.so.0
+ lib=$(ldd "$lib" 2> /dev/null | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u)
+ libdir=$(cd $(dirname "$lib"); pwd)
+ if [ ! -e $DESTDIR$libdir ]; then
+ libdir=$(dirname "$libdir")
+ inst_d $libdir
+ verbose "+ ln -s /$_lib $DESTDIR$libdir"
+ ln -s /$_lib $DESTDIR$libdir
+ break
+ fi
fi
- fi
+ done
}
# output modules.conf / modprobe.conf
return
fi
+ if [[ "$devpath" == /dev/nvme* ]]; then
+ find_module "nvme"
+ return
+ fi
+
if [[ "$devpath" == /dev/bcache* ]]; then
find_modules_bcache "$devpath"
return
add_linuxrc <<-'EOF'
device=
eval "$(busybox awk -v root="$ROOT" '
- # http://9fans.net/archive/2006/09/261
- function h2d(str, hstr, res, num, n, digit, i) {
- hstr = "0123456789abdcef";
- res = 0;
+ function h2d(str, hstr, res, num, n, digit, i) { # http://9fans.net/archive/2006/09/261
+ hstr = "0123456789abdcef"; res = 0;
n = split(tolower(str), digit, "");
for (i = 1; i <= n; i++) {
num = index(hstr, digit[i]) - 1;
res = res + (num * 16 ^ (n - i));
}
-
return res;
}
BEGIN {
-
num_pattern_short = "[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]";
num_pattern = "[0-9a-fA-F]" num_pattern_short;
dev_pattern = "[hms][a-z][a-z]([0-9])+";
- partition = "";
- min = -1; maj = -1;
-
- # see if we have /dev/hdX or hdX, we can just take partition name
- if (root ~ "^\/dev\/" dev_pattern "$" || root ~ "^" dev_pattern "$") {
- partition = root
- sub("^/dev/", "", partition);
-
- } else {
- # unify values first
- if (root ~ "^" num_pattern_short "$") {
- # change "303" => "0x0303"
+ partition = ""; min = -1; maj = -1;
+
+ if (root ~ "^\/dev\/" dev_pattern "$" || root ~ "^" dev_pattern "$") { # see if we have /dev/hdX or hdX, we can just take partition name
+ partition = root; sub("^/dev/", "", partition);
+ } else { # unify values first
+ if (root ~ "^" num_pattern_short "$") { # change "303" => "0x0303"
root = "0x0" root
- } else if (root ~ "^" num_pattern "$") {
- # change "0303" => "0x0303"
+ } else if (root ~ "^" num_pattern "$") { # change "0303" => "0x0303"
root = "0x" root
}
-
maj = h2d(substr(root, 3, 2));
min = h2d(substr(root, 5, 2));
}
}
-
partition && $4 == partition { maj = $1; min = $2; }
$1 == maj && $2 == min { partition = $4; }
-
END {
- if (maj >= 0 && min >= 0) {
- printf("maj=%s; min=%s;\n", maj, min);
- }
- if (partition) {
- printf("device=/dev/%s;\n", partition);
- }
- }
- ' /proc/partitions)"
+ if (maj >= 0 && min >= 0) { printf("maj=%s; min=%s;\n", maj, min); }
+ if (partition) { printf("device=/dev/%s;\n", partition); }
+ }' /proc/partitions)"
if [ -z "$device" ]; then
- if [ "$DEBUGINITRD" ]; then
+ if [ "$DEBUGINITRD" -a "$DEBUGINITRD" != 'sh' ]; then
cat /proc/partitions
fi
device=$ROOT
mknod -m 660 $device b $maj $min
fi
+ # XXX hack, fallback to rootdev from geninitrd time
+ if [ ! -e "$device" ]; then
+ EOF
+ add_linuxrc <<-EOF
+ device="$rootdev"
+ EOF
+ add_linuxrc <<-'EOF'
+ echo "DEVICE set to $device based on fstab entry from initrd gen time"
+ fi
+
# XXX hack, if no device, try to parse it from /proc/partitions using /proc/sys/kernel/real-root-dev
if [ ! -e "$device" ]; then
rrd=$(cat /proc/sys/kernel/real-root-dev)
busybox_applet dmesg
busybox_applet tail
add_linuxrc <<-'EOF'
- if [ "$DEBUGINITRD" ]; then
+ if [ "$DEBUGINITRD" -a "$DEBUGINITRD" != 'sh' ]; then
echo "Last 20 lines of dmesg:"
dmesg | tail -n 20
fi
[ "$DEBUGINITRD" ] || usleep 10000000
fi
+ # systemd[1]: /usr appears to be on its own filesytem and is not
+ # already mounted. This is not a supported setup. Some things will
+ # probably break (sometimes even silently) in mysterious ways. Consult
+ # http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
+ # for more information.
+ echo trying to mount /usr
+ chroot /newroot mount -n /usr
+
exec switch_root /newroot $init ${1:+"$@"}
# FIXME: this code is never executed, as "exec" does not return!
return 1
fi
- awk -vc=1 -vsymbol="$symbol" '$2 == "T" && $3 == symbol {c = 0} END {exit c}' $mapfile
+ awk -vc=1 -vsymbol="$symbol" '(tolower($2) == "t" || tolower($2) == "d") && $3 == symbol {c = 0} END {exit c}' $mapfile
}
# find best compressor (or forced one) for initrd
find_compressor() {
local mode="$1"
- # fastest initrd decompression speed is first
- local compressors='lzo gzip xz lzma bzip2'
+ local compressors='zstd xz lzma bzip2 gzip lzo'
# a specified one, take it
if ! is_yes "$mode"; then
sym=unlzo
prog=/usr/bin/lzop
;;
+ zstd)
+ sym=zstd
+ prog=/usr/bin/zstd
+ ;;
none|no)
# any existing sym will work
sym=initrd_load
lzo)
lzop -9 < "$IMAGE" > "$tmp" || return $?
;;
+ zstd)
+ zstd -9 < "$IMAGE" > "$tmp" || return $?
+ ;;
none|no)
cat < "$IMAGE" > "$tmp" || return $?
;;
mv -f "$tmp" "$target"
}
+# prepend file to image
+prepend_file_to_image() {
+ local file="$1" target="$2" tmp
+ tmp=$(mktemp "$target".XXXXXX) || die "mktemp failed"
+
+ cat "$file" "$target" > "$tmp" || return $?
+
+ mv -f "$tmp" "$target"
+}
+
if [ -r /etc/sysconfig/geninitrd ]; then
. /etc/sysconfig/geninitrd
fi
warn "/proc filesystem not mounted, may cause wrong results or failure."
fi
-geninitrd_load_mods ide luks multipath dmraid lvm md blkid udev tuxonice suspend fbsplash condecor bootsplash uvesafb nfs sata scsi usbkbd bcache
+geninitrd_load_mods ide luks multipath dmraid lvm md blkid udev swsusp tuxonice suspend fbsplash condecor bootsplash uvesafb nfs sata scsi usbkbd bcache
while [ $# -gt 0 ]; do
case $1 in
--without-fbcondecor)
FB_CON_DECOR=no
;;
+ --without-swsusp)
+ USE_SWSUSP=no
+ ;;
--with-suspend)
USE_SUSPEND=yes
;;
die "You need to be root to generate initrd"
fi
-if [ -d /lib64 -a -d /usr/lib64 ]; then
- _lib=lib64
-else
- _lib=lib
-fi
+for dir in libx32 lib64 lib; do
+ initrd_dir=/usr/$dir/initrd
+ if [ -d "$initrd_dir" ]; then
+ initrd_dirs="$initrd_dirs $initrd_dir"
+ fi
+done
-initrd_dir=/usr/$_lib/initrd
kernel_version=$(echo "$kernel" | awk -F. '{gsub(/[_-].*/, "", $0); print sprintf("%03d%03d",$1,$2)}')
kernel_version_long=$(echo "$kernel" | awk -F. '{gsub(/[_-].*/, "", $0); print sprintf("%03d%03d%03d",$1,$2,$3)}')
verbose "# geninitrd $VERSION"
-debug "Using _lib: $_lib"
debug "Using initrd_dir: $initrd_dir"
busybox=$(find_tool $initrd_dir/busybox $initrd_dir/initrd-busybox /bin/initrd-busybox) || die "Couldn't find busybox suitable for initrd"
fi
fi
-case "$INITRDFS" in
- ext2)
- [ -x /sbin/mke2fs ] || die "/sbin/mke2fs is missing"
- ;;
- rom|romfs)
- [ -x /sbin/genromfs ] || die "/sbin/genromfs is missing"
- ;;
- cram|cramfs)
- [ -x /sbin/mkcramfs ] || die "/sbin/mkcramfs is missing"
- ;;
- initramfs)
- [ -x /bin/cpio ] || die "/bin/cpio is missing"
- [ -x /usr/bin/find ] || die "/usr/bin/find is missing"
- ;;
- *)
- die "Filesystem $INITRDFS on initrd is not supported"
- ;;
-esac
+check_initrd_fs() {
+ local s sfound sym p prog map=/boot/System.map-$kernel
+ case "$INITRDFS" in
+ ext2)
+ # TODO: symbols to check in case of ext2 used via ext3/4 subsystem
+ sym=init_ext2_fs
+ prog=/sbin/mke2fs
+ ;;
+ rom|romfs)
+ sym=init_romfs_fs
+ prog=/sbin/genromfs
+ ;;
+ cram|cramfs)
+ sym=init_cramfs_fs
+ prog=/sbin/mkcramfs
+ ;;
+ initramfs)
+ sym=__initramfs_start
+ prog="/bin/cpio /usr/bin/find"
+ ;;
+ *)
+ die "Filesystem $INITRDFS on initrd is not supported by geninitrd"
+ ;;
+ esac
+
+ # only one is needed (for cases like ext2 via ext2 or via ext3 or via ext4 subsysytem)
+ sfound=0
+ for s in $sym; do
+ sym_exists $map $s && sfound=1
+ break
+ done
+ if [ "$sfound" -eq "0" ]; then
+ die "Filesystem $INITRDFS on initrd is not supported by kernel"
+ fi
+
+ for p in $prog; do
+ [ ! -x "$p" ] && die "$prog is missing"
+ done
+}
+check_initrd_fs
if [ -L "$target" ]; then
target=$(readlink -f "$target")
find_modules_suspend
fi
+if is_yes "$USE_SWSUSP"; then
+ find_modules_swsusp
+fi
+
find_root "$fstab" || exit
verbose "Using $rootdev as device for rootfs"
ln -s linuxrc $DESTDIR/init
# create dirs that we really need
-inst_d /{lib,bin,etc,dev{,/pts,/shm},loopfs,var,proc,run,sys}
+inst_d /{lib,bin,sbin,etc,dev{,/pts,/shm},loopfs,var,proc,run,sys,tmp}
modules_install "$MODULES"
kmsg "geninitrd/$VERSION starting"
+inst_d /lib/geninitrd/
+inst /lib/geninitrd/functions.initrd /lib/geninitrd/functions.initrd
+
add_linuxrc <<-EOF
+ . /lib/geninitrd/functions.initrd
# builtin defaults from geninitrd
ROOT=$rootdev
ROOTFS=$rootFs
if [ "${arg##root=}" != "${arg}" ]; then
ROOT=${arg##root=}
fi
+ if [ "${arg##rootfs=}" != "${arg}" ]; then
+ ROOTFS=${arg##rootfs=}
+ fi
if [ "${arg##rootflags=}" != "${arg}" ]; then
ROOTFLAGS=${arg##rootflags=}
fi
fi
EOF
+# mount early
+mount_tmp
+mount_run
+
modules_add_linuxrc $MODULES
# TODO: rewrite for busybox
# resume after killing local processes
initrd_gen_tuxonice
initrd_gen_suspend
+initrd_gen_swsusp
# clean up env
add_linuxrc <<-'EOF'
die "Filesystem $INITRDFS not supported by $PROGRAM"
esac
-CONFIG_BLK_DEV_RAM_SIZE=$(ikconfig | awk -F= '/^CONFIG_BLK_DEV_RAM_SIZE/{print $2}')
-if [ -z "$CONFIG_BLK_DEV_RAM_SIZE" ]; then
- CONFIG_BLK_DEV_RAM_SIZE=4096
- warn "No CONFIG_BLK_DEV_RAM_SIZE detected, fallback to $CONFIG_BLK_DEV_RAM_SIZE"
-fi
+if [ "$INITRDFS" != "initramfs" ]; then
+ CONFIG_BLK_DEV_RAM_SIZE=$(ikconfig | awk -F= '/^CONFIG_BLK_DEV_RAM_SIZE/{print $2}')
+ if [ -z "$CONFIG_BLK_DEV_RAM_SIZE" ]; then
+ CONFIG_BLK_DEV_RAM_SIZE=4096
+ warn "No CONFIG_BLK_DEV_RAM_SIZE detected, fallback to $CONFIG_BLK_DEV_RAM_SIZE"
+ fi
-if [ "$IMAGESIZE" -gt $CONFIG_BLK_DEV_RAM_SIZE ]; then
- warn "Your image size is larger than $CONFIG_BLK_DEV_RAM_SIZE, Be sure to boot kernel with ramdisk_size=$IMAGESIZE!"
+ if [ "$IMAGESIZE" -gt $CONFIG_BLK_DEV_RAM_SIZE ]; then
+ warn "Your image size is larger than $CONFIG_BLK_DEV_RAM_SIZE, Be sure to boot kernel with ramdisk_size=$IMAGESIZE!"
+ fi
fi
if ! is_no "$COMPRESS"; then
cp -a "$IMAGE" "$target"
fi
+# microcode support for lilo
+if ! is_no "$LILO_MICROCODE"; then
+ if [ -x /sbin/lilo -a -f "/boot/intel-ucode.img" ]; then
+ verbose "Prepending $target with microcode image /boot/intel-ucode.img for LILO"
+ prepend_file_to_image "/boot/intel-ucode.img" "$target"
+ fi
+fi
+
# XXX. check if bootsplash can output data to tmp dir not directly to initramfs image.
initrd_gen_bootsplash "$target"
projects / projects / geninitrd.git / blobdiff