#!/bin/bash
## @file
# For development, builds and loads all the host drivers.
#

#
# Copyright (C) 2010-2023 Oracle and/or its affiliates.
#
# This file is part of VirtualBox base platform packages, as
# available from https://www.virtualbox.org.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, in version 3 of the
# License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses>.
#
# The contents of this file may alternatively be used under the terms
# of the Common Development and Distribution License Version 1.0
# (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
# in the VirtualBox distribution, in which case the provisions of the
# CDDL are applicable instead of those of the GPL.
#
# You may elect to license modified versions of this file under the
# terms and conditions of either the GPL or the CDDL or both.
#
# SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
#

TARGET=`readlink -e -- "${0}"` || exit 1  # The GNU-specific way.
MY_DIR="${TARGET%/[!/]*}"

set -e

# Parse parameters.
OPT_UNLOAD_ONLY=
if [ ${#} -ge 1 -a "${1}" = "-u" ]; then
    OPT_UNLOAD_ONLY=yes
    shift
fi
if [ ${#} -ge 1 -a '(' "${1}" = "-h"  -o  "${1}" = "--help" ')' ]; then
    echo "usage: load.sh [-u] [make arguments]"
    exit 1
fi

# Unload, but keep the udev rules.
sudo "${MY_DIR}/vboxdrv.sh" stop

if [ -z "${OPT_UNLOAD_ONLY}" ]; then
    # Build and load.
    MAKE_JOBS=`grep vendor_id /proc/cpuinfo | wc -l`
    if [ "${MAKE_JOBS}" -le "0" ]; then MAKE_JOBS=1; fi
    make "-j${MAKE_JOBS}" -C "${MY_DIR}/src/vboxdrv" "$@"

    echo "Installing SUPDrv (aka VBoxDrv/vboxdrv)"
    sudo /sbin/insmod "${MY_DIR}/src/vboxdrv/vboxdrv.ko"
fi