Commit a94da017 authored by Dmitry Eremin-Solenikov's avatar Dmitry Eremin-Solenikov Committed by Martin Jansa

initramfs-debug: add simple init script for debugging

Add a tiny simple debug script that will mount all available virtual
file systems and then execute a shell.
Signed-off-by: default avatarDmitry Eremin-Solenikov <>
Signed-off-by: default avatarMartin Jansa <>
parent 22990fdc
do_mount_fs() {
grep -q "$1" /proc/filesystems || return
test -d "$2" || mkdir -p "$2"
mount -t "$1" "$1" "$2"
do_mknod() {
test -e "$1" || mknod "$1" "$2" "$3" "$4"
mkdir -p /proc
mount -t proc proc /proc
do_mount_fs sysfs /sys
do_mount_fs debugfs /sys/kernel/debug
do_mount_fs devtmpfs /dev
do_mount_fs devpts /dev/pts
do_mount_fs tmpfs /dev/shm
mkdir -p /run
mkdir -p /var/run
do_mknod /dev/console c 5 1
do_mknod /dev/null c 1 3
do_mknod /dev/zero c 1 5
exec sh </dev/console >/dev/console 2>/dev/console
SUMMARY = "Extremely basic live image init script"
LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
SRC_URI = "file://"
S = "${WORKDIR}"
do_install() {
install -m 0755 ${WORKDIR}/ ${D}/init
inherit allarch
FILES_${PN} += " /init "
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