86 lines
2.1 KiB
Bash
Executable File
86 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2017-present Team LibreELEC (https://libreelec.tv)
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SYSTEM_OVERLAYS_DIR=/usr/lib/kernel-overlays
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OVERLAY_CONFIG_DIR=/storage/.cache/kernel-overlays
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KVER=$(uname -r)
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RUNTIME_DIR="/run/kernel-overlays"
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MODULES_DIR="${RUNTIME_DIR}/modules/${KVER}"
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FIRMWARE_DIR="${RUNTIME_DIR}/firmware"
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USER_FIRMWARE_DIR="/storage/.config/firmware"
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mkdir -p "${MODULES_DIR}"
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mkdir -p "${FIRMWARE_DIR}"
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log() {
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echo "kernel-overlays-setup: $@" > /dev/kmsg
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}
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apply_overlay() {
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case "$1" in
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/*)
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modules_overlay_dir="${1}/lib/modules/${KVER}"
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firmware_overlay_dir="${1}/lib/firmware"
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;;
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*)
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modules_overlay_dir="${SYSTEM_OVERLAYS_DIR}/${1}/lib/modules/${KVER}"
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firmware_overlay_dir="${SYSTEM_OVERLAYS_DIR}/${1}/lib/firmware"
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;;
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esac
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if [ -d "${modules_overlay_dir}" ] ; then
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GOT_MODULE_OVERLAY="yes"
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if cp -rfs "${modules_overlay_dir}"/* "${MODULES_DIR}" ; then
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log "added modules from $modules_overlay_dir"
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else
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log "failed to add modules from $modules_overlay_dir"
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fi
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fi
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if [ -d "${firmware_overlay_dir}" ] ; then
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if cp -rfs "${firmware_overlay_dir}"/* "${FIRMWARE_DIR}" ; then
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log "added firmware from $firmware_overlay_dir"
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else
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log "failed to add firmware from $firmware_overlay_dir"
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fi
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fi
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}
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# setup system base modules
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log "setup base modules"
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apply_overlay base
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# apply user-configured module overlays
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if [ -d "${OVERLAY_CONFIG_DIR}" ] ; then
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log "adding overlays from ${OVERLAY_CONFIG_DIR}"
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GOT_MODULE_OVERLAY="no"
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for conf in "${OVERLAY_CONFIG_DIR}/"*.conf ; do
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if [ -e "$conf" ] ; then
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log "processing conf $conf"
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overlay=$(cat "$conf")
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[ -n "$overlay" ] && apply_overlay "$overlay"
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fi
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done
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if [ "yes" = "$GOT_MODULE_OVERLAY" ] ; then
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log "running depmod"
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/usr/sbin/depmod -a >/dev/kmsg 2>&1
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fi
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fi
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if [ -d "${USER_FIRMWARE_DIR}" ] && [ -n "$(ls ${USER_FIRMWARE_DIR})" ] ; then
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if cp -rfs "${USER_FIRMWARE_DIR}"/* "${FIRMWARE_DIR}" ; then
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log "added firmware from ${USER_FIRMWARE_DIR}"
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else
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log "failed to add firmware from ${USER_FIRMWARE_DIR}"
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fi
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fi
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log "done"
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