This commit is contained in:
illiliti 2020-01-30 18:28:03 +03:00
parent 574e206ef0
commit ead666ef0d
3 changed files with 27 additions and 29 deletions

2
config
View File

@ -18,7 +18,7 @@ root="UUID=07729c48-25d8-4096-acaf-ce5322915680"
#root_args=""
# device manager ( mdev,mdevd,udev )
devmgr="mdev"
devmgr="udev"
# drivers
#drivers=""

View File

@ -184,6 +184,7 @@ install_libraries() {
}
install_files() {
# FIXME eof broken
# initialize config
cat <<EOF > "${tmpdir}/config"
debug="$debug"
@ -191,7 +192,6 @@ root="$root"
root_type="$root_type"
root_args="$root_args"
devmgr="$devmgr"
use_mdev="1"
#drivers="$drivers"
use_lvm="$use_lvm"
use_luks="$use_luks"
@ -241,25 +241,26 @@ create_initramfs() {
[ "$?" = 0 ] || panic "failed to generate initramfs image"
}
# main function :)
# TODO cd to script directory
[ "$(id -u)" = 0 ] || panic "must be run as root"
# remove tmpdir on exit or unexpected error
trap remove_tmpdir EXIT INT
# handle debug mode
[ "$debug" = 1 ] && {
set -x
trap : EXIT INT
}
# variables
tmpdir="$(mktemp -d /tmp/initramfs.XXXXXXXX)" || panic "failed to create working directory"
kernel="$(uname -r)"
moddir="/lib/modules/"
check_requirements
# handle debug mode
[ "$debug" = 1 ] && {
set -x
trap : EXIT INT
}
create_structure
create_symlinks
#parse_fstab

37
init
View File

@ -3,12 +3,7 @@
# tiny init script
panic() {
printf "panic >> %s\n" "$@"
exit 1
}
info() {
printf "info >> %s\n" "$@"
printf "panic >> %s\n" "$@" && sh
}
# parse_cmdline() {
@ -43,7 +38,7 @@ use_mdev() {
done
# load drivers
find /sys -name 'modalias' -type f -exec cat '{}' + | sort -u | xargs modprobe -ba
find /sys -name "modalias" -type f -exec cat "{}" + | sort -u | xargs modprobe -ba
}
use_mdevd() {
@ -90,26 +85,17 @@ mnt_rootfs() {
cleanup() {
# clean up
[ "$use_mdev" = 1 ] && { printf "" >/proc/sys/kernel/hotplug || killall uevent; } >/dev/null 2>&1
[ "$use_mdevd" = 1 ] && killall mdevd
[ "$use_udev" = 1 ] && udevadm control --exit
[ "$devmgr" = "mdev" ] && { printf "" >/proc/sys/kernel/hotplug || killall uevent; } >/dev/null 2>&1
[ "$devmgr" = "mdevd" ] && killall mdevd
[ "$devmgr" = "udev" ] && udevadm control --exit
umount /dev /sys /proc
}
boot_system() {
# boot system
[ "$debug" = 1 ] && info SUCCESS
exec switch_root /mnt/root /sbin/init || panic "failed to boot system"
}
if [ "$debug" = 1 ]; then
# debug shell commands
set -x
else
# silence is golden
printf 0 >/proc/sys/kernel/printk
fi
# install busybox
/sbin/busybox --install -s
@ -120,16 +106,27 @@ else
panic "config doesn't exists"
fi
if [ "$debug" = 1 ]; then
# debug shell commands
set -x
else
# silence is golden
printf 0 >/proc/sys/kernel/printk
fi
#parse_cmdline
mnt_pseudofs
case "$devmgr" in
mdev) use_mdev ;;
mdevd) use_mdevd ;;
udev) use_udev ;;
*) panic "devmgr option broken" ;;
esac
# TODO handle situations when LUKS on LVM
[ "$use_luks" = 1 ] && unlock_luks
[ "$use_lvm" = 1 ] && [ "$use_udev" = 0 ] && trigger_lvm
[ "$use_lvm" = 1 ] && [ "$devmgr" != "udev" ] && trigger_lvm
mnt_rootfs
cleanup
boot_system