111 lines
3.3 KiB
Bash
Executable file
111 lines
3.3 KiB
Bash
Executable file
#!/vendor/bin/sh
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###################################################################
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### init.insmod.cfg format: ###
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### ----------------------------------------------------------- ###
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### [insmod|setprop|enable|moprobe|rmmod|wait] [path|prop name] ###
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### ... ###
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###################################################################
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modules_dir=
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system_modules_dir=
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vendor_modules_dir=
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# This directory ONLY contains the 16k modules loaded in 16k mode
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# during the Second Boot Stage. This directory is not present in the
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# <device>_16k targets.
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mode_16k_modules_dir=/vendor/lib/modules/16k-mode
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pagesize=$(getconf PAGE_SIZE)
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for dir in system vendor; do
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for f in /${dir}/lib/modules/*/modules.dep /${dir}/lib/modules/modules.dep; do
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if [[ -f "$f" ]]; then
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if [[ "${dir}" == "system" ]]; then
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system_modules_dir="$(dirname "$f")"
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else
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vendor_modules_dir="$(dirname "$f")"
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modules_dir=${vendor_modules_dir}
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fi
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break
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fi
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done
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done
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if [[ -z "${system_modules_dir}" ]]; then
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echo "Unable to locate system kernel modules directory" 2>&1
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fi
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if [[ -z "${vendor_modules_dir}" ]]; then
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echo "Unable to locate vendor kernel modules directory" 2>&1
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exit 1
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fi
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# imitates wait_for_file() in init
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wait_for_file()
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{
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filename="${1}"
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timeout="${2:-5}"
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expiry=$(($(date "+%s")+timeout))
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while [[ ! -e "${filename}" ]] && [[ "$(date "+%s")" -le "${expiry}" ]]
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do
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sleep 0.01
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done
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}
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if [ $# -eq 1 ]; then
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cfg_file=$1
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else
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# Set property even if there is no insmod config
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# to unblock early-boot trigger
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setprop vendor.common.modules.ready 1
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setprop vendor.device.modules.ready 1
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setprop vendor.all.modules.ready 1
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setprop vendor.all.devices.ready 1
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exit 1
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fi
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if [ -f $cfg_file ]; then
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while IFS="|" read -r action arg
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do
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case $action in
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"insmod") insmod $arg ;;
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"setprop") setprop $arg 1 ;;
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"enable") echo 1 > $arg ;;
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"condinsmod")
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prop=$(echo $arg | cut -d '|' -f 1)
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module1=$(echo $arg | cut -d '|' -f 2)
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module2=$(echo $arg | cut -d '|' -f 3)
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value=$(getprop $prop)
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if [[ ${value} == "true" ]]; then
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insmod ${vendor_modules_dir}/${module1}
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else
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insmod ${vendor_modules_dir}/${module2}
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fi
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;;
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"modprobe")
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case ${arg} in
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"system -b *" | "system -b")
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modules_dir=${system_modules_dir}
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arg="-b --all=${system_modules_dir}/modules.load" ;;
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"system *" | "system")
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modules_dir=${system_modules_dir}
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arg="--all=${system_modules_dir}/modules.load" ;;
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"-b *" | "-b" | "vendor -b *" | "vendor -b")
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modules_dir=${vendor_modules_dir}
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arg="-b --all=${vendor_modules_dir}/modules.load" ;;
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"*" | "" | "vendor *" | "vendor")
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modules_dir=${vendor_modules_dir}
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arg="--all=${vendor_modules_dir}/modules.load" ;;
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esac
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if [[ "${pagesize}" == "16384" && -d "${mode_16k_modules_dir}" ]]; then
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insmod ${mode_16k_modules_dir}/$arg
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elif [[ -d "${modules_dir}" ]]; then
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modprobe -a -d "${modules_dir}" $arg
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fi
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;;
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"rmmod") rmmod $arg ;;
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"wait") wait_for_file $arg ;;
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esac
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done < $cfg_file
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fi
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