#! /vendor/bin/sh
#=============================================================================
# Copyright (c) 2022 Qualcomm Technologies, Inc.
# All Rights Reserved.
# Confidential and Proprietary - Qualcomm Technologies, Inc.
#=============================================================================

SYSTEM_DLKM_DIR="/system_dlkm/lib/modules"
VENDOR_DLKM_DIR="/vendor_dlkm/lib/modules"

MODPROBE="/vendor/bin/modprobe"

for dir in ${SYSTEM_DLKM_DIR} ;
do
	if [ ! -e ${dir}/*/modules.load ]; then
		continue
	fi
	if [ -e ${VENDOR_DLKM_DIR}/system_dlkm.modules.blocklist ] && grep -q blocklist ${VENDOR_DLKM_DIR}/system_dlkm.modules.blocklist; then
		blocklist_expr="$(sed -n -e 's/blocklist \(.*\)/\1/p' ${VENDOR_DLKM_DIR}/system_dlkm.modules.blocklist | sed -e 's/-/_/g' -e 's/^/-e /')"
	else
		# Use pattern that won't be found in modules list so that all modules pass through grep below
		blocklist_expr="-e %"
	fi
	# Filter out modules in blocklist - we would see unnecessary errors otherwise
	load_modules=$(cat ${dir}/*/modules.load | grep -w -v ${blocklist_expr})
	first_module=$(echo ${load_modules} | cut -d " " -f1)
	other_modules=$(echo ${load_modules} | cut -d " " -f2-)
	if ! ${MODPROBE} -b -s -d ${dir}/*/ -a ${first_module} > /dev/null ; then
		continue
	fi
	# load modules individually in case one of them fails to init
	for module in ${other_modules}; do
		( ${MODPROBE} -b -s -d ${dir}/*/ -a ${module} > /dev/null ) &
	done

	wait

	exit 0
done

exit 1