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="" #root_args=""
# device manager ( mdev,mdevd,udev ) # device manager ( mdev,mdevd,udev )
devmgr="mdev" devmgr="udev"
# drivers # drivers
#drivers="" #drivers=""

View File

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

37
init
View File

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