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Build a QCOM GKI kernel with external modules and generate the module.load files
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| #!/bin/bash | |
| set -e | |
| KERNEL_TOOLS=/home/mezaque/android15/voltage/prebuilts/kernel-build-tools/linux-x86/bin/ | |
| CLANG_PATH=/home/mezaque/android15/voltage/prebuilts/clang/host/linux-x86/clang-r522817/bin/ | |
| export PATH="$KERNEL_TOOLS:$CLANG_PATH:$PATH" | |
| TARGET=$1 | |
| if [[ -z "$TARGET" ]]; then | |
| echo "Usage: $0 <target>" | |
| exit 1 | |
| fi | |
| KERNEL_SRC=$(pwd) | |
| O=out | |
| OUT_DIR=$KERNEL_SRC/$O | |
| INSTALL_MOD_PATH=modules_out | |
| TARGET_DEFCONFIG="${TARGET}_defconfig" | |
| TARGET_KERNEL_EXT_MODULE_ROOT="$KERNEL_SRC/../sm8550-modules" | |
| FIRST_STAGE_MODULES_LIST="modules.list.msm.kalama" | |
| RECOVERY_EXT_MODULES="msm_drm.ko" | |
| case "$TARGET" in | |
| dm1q|dm2q) | |
| TARGET_KERNEL_EXT_MODULES=" | |
| qcom/opensource/mmrm-driver | |
| qcom/opensource/mm-drivers/hw_fence | |
| qcom/opensource/mm-drivers/msm_ext_display | |
| qcom/opensource/mm-drivers/sync_fence | |
| qcom/opensource/audio-kernel | |
| qcom/opensource/camera-kernel | |
| qcom/opensource/dataipa/drivers/platform/msm | |
| qcom/opensource/datarmnet/core | |
| qcom/opensource/datarmnet-ext/aps | |
| qcom/opensource/datarmnet-ext/offload | |
| qcom/opensource/datarmnet-ext/shs | |
| qcom/opensource/datarmnet-ext/perf | |
| qcom/opensource/datarmnet-ext/perf_tether | |
| qcom/opensource/datarmnet-ext/sch | |
| qcom/opensource/datarmnet-ext/wlan | |
| qcom/opensource/securemsm-kernel | |
| qcom/opensource/display-drivers/msm | |
| qcom/opensource/eva-kernel | |
| qcom/opensource/video-driver | |
| qcom/opensource/graphics-kernel | |
| qcom/opensource/wlan/platform | |
| qcom/opensource/wlan/qcacld-3.0/.qca6490 | |
| qcom/opensource/bt-kernel" | |
| ;; | |
| dm3q) | |
| TARGET_KERNEL_EXT_MODULES=" | |
| qcom/opensource/mmrm-driver | |
| qcom/opensource/mm-drivers/hw_fence | |
| qcom/opensource/mm-drivers/msm_ext_display | |
| qcom/opensource/mm-drivers/sync_fence | |
| qcom/opensource/audio-kernel | |
| qcom/opensource/camera-kernel | |
| qcom/opensource/dataipa/drivers/platform/msm | |
| qcom/opensource/datarmnet/core | |
| qcom/opensource/datarmnet-ext/aps | |
| qcom/opensource/datarmnet-ext/offload | |
| qcom/opensource/datarmnet-ext/shs | |
| qcom/opensource/datarmnet-ext/perf | |
| qcom/opensource/datarmnet-ext/perf_tether | |
| qcom/opensource/datarmnet-ext/sch | |
| qcom/opensource/datarmnet-ext/wlan | |
| qcom/opensource/securemsm-kernel | |
| qcom/opensource/display-drivers/msm | |
| qcom/opensource/eva-kernel | |
| qcom/opensource/video-driver | |
| qcom/opensource/graphics-kernel | |
| qcom/opensource/wlan/platform | |
| qcom/opensource/wlan/qcacld-3.0/.kiwi_v2 | |
| qcom/opensource/bt-kernel" | |
| ;; | |
| *) | |
| echo "Error: Unknown target $TARGET" | |
| exit 1 | |
| ;; | |
| esac | |
| function section() { | |
| local input="$1" | |
| local length=${#input} | |
| printf '%*s\n' "$length" '' | tr ' ' '=' | |
| echo "$input" | |
| printf '%*s\n' "$length" '' | tr ' ' '=' | |
| } | |
| function kernel_make() { | |
| make -j$(nproc) \ | |
| O=$O \ | |
| ARCH=arm64 \ | |
| LLVM=1 \ | |
| LLVM_IAS=1 \ | |
| CROSS_COMPILE=aarch64-linux-gnu- \ | |
| CROSS_COMPILE_ARM32=arm-linux-gnueabi- \ | |
| INSTALL_MOD_PATH=$INSTALL_MOD_PATH \ | |
| $@ < /dev/null | |
| } | |
| function ext_module_make() { | |
| module_path=$TARGET_KERNEL_EXT_MODULE_ROOT/$1 | |
| kernel_make \ | |
| OUT_DIR=$OUT_DIR \ | |
| KERNEL_SRC=$KERNEL_SRC \ | |
| KERNEL_UAPI_HEADERS_DIR=$OUT_DIR \ | |
| M=$(realpath --relative-to=$KERNEL_SRC $module_path) \ | |
| -C $module_path \ | |
| ${@:2} | |
| } | |
| function get_modlib_file_path() { | |
| local file_path=$(echo $OUT_DIR/$INSTALL_MOD_PATH/**/**/**/$1) | |
| if [[ $(echo $file_path | wc -w) -ne 1 ]]; then | |
| echo "None or multiple files were found for $1 on modlib: $file_path" | |
| exit 1 | |
| fi | |
| echo $file_path | |
| } | |
| function generate_module_deps() { | |
| modules_dep_file=$(get_modlib_file_path modules.dep) | |
| if [[ "$(grep -e "^$1:" -e "/$1:" $modules_dep_file)" == "" ]]; then | |
| echo "Needed $1 was not found in modules.dep" | |
| exit 1 | |
| fi | |
| module_data=$(grep -e "^$1:" -e "/$1:" $(get_modlib_file_path modules.dep)) | |
| module_name=$(basename $1) | |
| if [[ -f $2 ]] && [[ "$(grep "^$module_name" $2)" != "" ]]; then | |
| return | |
| fi | |
| echo $module_name >> $2 | |
| # Generate the module dependencies | |
| module_deps=$(echo $module_data | cut -d ":" -f 2) | |
| for dep in $module_deps; do | |
| generate_module_deps $dep $2 | |
| done | |
| } | |
| function generate_modules_load() { | |
| modules_order_file=$(get_modlib_file_path modules.order) | |
| modules_dep_file=$(get_modlib_file_path modules.dep) | |
| rm -f $OUT_DIR/modules.load.* | |
| # | |
| # First stage modules | |
| # Get modules from FIRST_STAGE_MODULES_LIST and remove non existing ones | |
| # | |
| echo "Generating first stage modules list at $OUT_DIR/modules.load.vendor_boot" | |
| for mod in $(cat $FIRST_STAGE_MODULES_LIST); do | |
| if [[ "$(grep -e "^$mod:" -e "/$mod:" $(get_modlib_file_path modules.dep))" != "" ]]; then | |
| generate_module_deps $mod $OUT_DIR/modules.load.vendor_boot | |
| fi | |
| done | |
| # | |
| # Recovery modules (first stage + ext recovery modules) | |
| # | |
| echo "Generating recovery modules list at $OUT_DIR/modules.load.recovery" | |
| cat $modules_order_file | rev | cut -d / -f 1 | rev > $OUT_DIR/modules.load.recovery | |
| for ext_mod in $RECOVERY_EXT_MODULES; do | |
| generate_module_deps $ext_mod $OUT_DIR/modules.load.recovery | |
| done | |
| # | |
| # Vendor DLKM modules (non-first-stage modules + extra/ modules) | |
| # | |
| echo "Generating vendor DLKM modules list at $OUT_DIR/modules.load" | |
| ext_modules=$(cat $modules_dep_file | cut -d ":" -f 1) | |
| for ext_mod in $ext_modules; do | |
| generate_module_deps $ext_mod $OUT_DIR/modules.load | |
| done | |
| # Remove first stage modules from vendor_dlkm | |
| for mod in $(cat $OUT_DIR/modules.load.vendor_boot); do | |
| sed -i /$mod/d $OUT_DIR/modules.load | |
| done | |
| } | |
| # Removing modules "zram.ko" "zsmalloc.ko" | |
| function remove_modules_from_load_files() { | |
| local modules_to_remove=("zram.ko" "zsmalloc.ko") | |
| local files_to_edit=("$OUT_DIR/modules.load.vendor_boot" "$OUT_DIR/modules.load.recovery" "$OUT_DIR/modules.load") | |
| for file in "${files_to_edit[@]}"; do | |
| if [[ -f $file ]]; then | |
| echo "Removing specified modules from $file" | |
| for mod in "${modules_to_remove[@]}"; do | |
| sed -i "/$mod/d" "$file" | |
| done | |
| fi | |
| done | |
| } | |
| if [[ -z $TARGET_DEFCONFIG ]] || [[ -z $TARGET_KERNEL_EXT_MODULES ]] || [[ -z $TARGET_KERNEL_EXT_MODULE_ROOT ]] || [[ -z $FIRST_STAGE_MODULES_LIST ]]; then | |
| echo "Misconfigured target, make sure that all needed variables are set" | |
| exit 1 | |
| fi | |
| section "Kernel config" | |
| make O=$O ARCH=arm64 $TARGET_DEFCONFIG | |
| section "Kernel build" | |
| kernel_make | |
| section "Kernel modules install" | |
| kernel_make modules_install | |
| section "External kernel modules build" | |
| echo "Module root is $TARGET_KERNEL_EXT_MODULE_ROOT" | |
| for module in $TARGET_KERNEL_EXT_MODULES; do | |
| section "Building $module" | |
| ext_module_make $module | |
| section "Installing $module" | |
| ext_module_make $module modules_install | |
| done | |
| section "Generating modules.load files" | |
| generate_modules_load | |
| section "Removing unwanted modules" | |
| remove_modules_from_load_files |
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