Kelvin Zhang 99f848ed48 Add a different implementation of insmod.sh
Use soong namespace to branch a implementation of insmod.sh .
The newly added implementation is only added to PRODUCT_PACKAGE
for dev option enabled devices. The only change to the script is
skip loading kernel modules from vendor|system_dlkm when under 16K
mode.

Test: Dev option works
Bug: 319335586

This reverts commit 11eb02562d7e89037c67f5a22a142b110b303a30.

Change-Id: I5f5d4ee79be7f872ec321e93f58f6516974d0cad
2024-05-09 09:46:55 -07:00

120 lines
3.5 KiB
Bash

#!/vendor/bin/sh
#############################################################
### init.insmod.cfg format: ###
### ----------------------------------------------------- ###
### [insmod|setprop|enable/moprobe|wait] [path|prop name] ###
### ... ###
#############################################################
modules_dir=
system_modules_dir=
vendor_modules_dir=
pagesize=$(getconf PAGESIZE)
# bootoption=$(getprop ro.product.build.16k_page.enabled)
# We do not need to check ro.product.build.16k_page.enabled , because this
# version of insmod.sh will only be used if PRODUCT_16K_DEVELOPER_OPTION
# is set to true
if [ "$pagesize" != "4096" ] ; then
echo "Device has page size $pagesize , skip loading modules from vendor_dlkm/system_dlkm because all modules are stored on vendor_boot"
setprop vendor.common.modules.ready 1
setprop vendor.device.modules.ready 1
setprop vendor.all.modules.ready 1
setprop vendor.all.devices.ready 1
return 0
fi
for dir in system vendor; do
for f in /${dir}/lib/modules/*/modules.dep /${dir}/lib/modules/modules.dep; do
if [[ -f "$f" ]]; then
if [[ "${dir}" == "system" ]]; then
system_modules_dir="$(dirname "$f")"
else
vendor_modules_dir="$(dirname "$f")"
modules_dir=${vendor_modules_dir}
fi
break
fi
done
done
if [[ -z "${system_modules_dir}" ]]; then
echo "Unable to locate system kernel modules directory" 2>&1
fi
if [[ -z "${vendor_modules_dir}" ]]; then
echo "Unable to locate vendor kernel modules directory" 2>&1
exit 1
fi
# imitates wait_for_file() in init
wait_for_file()
{
filename="${1}"
timeout="${2:-5}"
expiry=$(($(date "+%s")+timeout))
while [[ ! -e "${filename}" ]] && [[ "$(date "+%s")" -le "${expiry}" ]]
do
sleep 0.01
done
}
if [ $# -eq 1 ]; then
cfg_file=$1
else
# Set property even if there is no insmod config
# to unblock early-boot trigger
setprop vendor.common.modules.ready 1
setprop vendor.device.modules.ready 1
setprop vendor.all.modules.ready 1
setprop vendor.all.devices.ready 1
exit 1
fi
if [ -f $cfg_file ]; then
while IFS="|" read -r action arg
do
case $action in
"insmod") insmod $arg ;;
"setprop") setprop $arg 1 ;;
"enable") echo 1 > $arg ;;
"condinsmod")
prop=$(echo $arg | cut -d '|' -f 1)
module1=$(echo $arg | cut -d '|' -f 2)
module2=$(echo $arg | cut -d '|' -f 3)
value=$(getprop $prop)
if [[ ${value} == "true" ]]; then
insmod ${vendor_modules_dir}/${module1}
else
insmod ${vendor_modules_dir}/${module2}
fi
;;
"modprobe")
case ${arg} in
"system -b *" | "system -b")
modules_dir=${system_modules_dir}
arg="-b --all=${system_modules_dir}/modules.load" ;;
"system *" | "system")
modules_dir=${system_modules_dir}
arg="--all=${system_modules_dir}/modules.load" ;;
"-b *" | "-b" | "vendor -b *" | "vendor -b")
modules_dir=${vendor_modules_dir}
arg="-b --all=${vendor_modules_dir}/modules.load" ;;
"*" | "" | "vendor *" | "vendor")
modules_dir=${vendor_modules_dir}
arg="--all=${vendor_modules_dir}/modules.load" ;;
esac
if [[ -d "${modules_dir}" ]]; then
modprobe -a -d "${modules_dir}" $arg
fi
;;
"wait") wait_for_file $arg ;;
esac
done < $cfg_file
fi