290 lines
10 KiB
Plaintext
Executable File
290 lines
10 KiB
Plaintext
Executable File
# The following additional environment variables are considered when build.config.msm.common is
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# included:
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#
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# DT_OVERLAY_SUPPORT
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# If set, then create a dtbo.img
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# BUILD_VENDOR_DLKM
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# If set, then enables creation of vendor_dlkm.img using all modules
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# not part of the first-stage ramdisk
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# EXTRA_CONFIGS
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# All files in this list are sourced
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CONFIG_DIR=arch/${ARCH}/configs
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CONFIG_TARGET=msm.${MSM_ARCH}
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################################################################################
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##
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function compile_external_dtc() {
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(
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# Bazel builds dtc with its own rule, so skip if building with Bazel
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if [ -n "$BUILDING_WITH_BAZEL" ]; then
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return
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fi
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OUT_DIR=${COMMON_OUT_DIR}/external/dtc
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[ "${SKIP_MRPROPER}" != "1" ] && rm -rf ${OUT_DIR}
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cd ${ROOT_DIR}/external/dtc
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DTC_MAKE_ARGS=("CC=${HOSTCC}" "AR=${AR}")
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DTC_MAKE_ARGS+=("LDFLAGS=${HOSTLDFLAGS} -fuse-ld=${LD##*.} --rtlib=compiler-rt")
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DTC_MAKE_ARGS+=("EXTRA_CFLAGS=${HOSTCFLAGS}")
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# PKG_CONFIG would pull from host environment to determine if libyaml and libpython are
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# available. We want a hermetic build that doesn't rely on host tools, so make dtc build think
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# none of these libraries are installed.
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DTC_MAKE_ARGS+=("PKG_CONFIG=false")
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make all install "${DTC_MAKE_ARGS[@]}" NO_PYTHON=1 PREFIX=${COMMON_OUT_DIR}/host
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)
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}
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append_cmd PRE_DEFCONFIG_CMDS 'compile_external_dtc'
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################################################################################
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## DTB general support
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DTB_DIR=vendor/qcom
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DTC_OVERLAY_TEST_EXT=ufdt_apply_overlay
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# Force /__symbols__ generation for all DTB[O]s
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DTC_FLAGS="-@"
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MAKE_GOALS+=" dtbs"
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function install_dtbs() {
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local INSTALL_DTBS_PATH="${COMMON_OUT_DIR}/dtb_staging"
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local dtb_types="${MSM_ARCH}-"
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if [ "${DT_OVERLAY_SUPPORT}" -eq "1" ]; then
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dtb_types="${dtb_types}overlays-"
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fi
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# Staging directory required because arch/$ARCH/arm64/boot/dts/**/*.dtb structure copied and
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# we want a flat directory with all the DTBs.
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rm -rf "${INSTALL_DTBS_PATH}"
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(cd ${KERNEL_DIR} && make "${TOOL_ARGS[@]}" O=${OUT_DIR} "${MAKE_ARGS[@]}" INSTALL_DTBS_PATH="${INSTALL_DTBS_PATH}" DTB_TYPES="${dtb_types}" dtbs_install)
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cp $(find ${INSTALL_DTBS_PATH} -type f \( -name "*.dtb" -o -name "*.dtbo" \)) ${DIST_DIR}
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}
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append_cmd DIST_CMDS 'install_dtbs'
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ADDITIONAL_HOST_TOOLS+=" install" # for scripts/Makefile.dtbinst
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FILES+="
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.config
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Module.symvers
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"
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################################################################################
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## Variant Selection
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if [ -z "${VARIANT}" ] || [ "${VARIANT}" == "default" ]; then
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VARIANT="${VARIANTS[0]}"
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fi
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if ( for v in "${VARIANTS[@]}"; do if [ "${v}" = "${VARIANT}" ]; then exit 1; fi; done; exit 0 ) ; then
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echo "Unsupported variant '${VARIANT}'"
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exit 1
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fi
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################################################################################
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## defconfigs
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# Helper function to let build.config files merge config fragments
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# Usage: append_cmd PRE_DEFCONFIG_CMDS 'merge_defconfig_fragment ${DEFCONFIG} ${fragment_config}'
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DEFCONFIG_FRAGMENTS=""
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function merge_defconfig_fragments() {
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if ( [ -z "${DEFCONFIG_FRAGMENTS}" ] ||
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[ "${DEFCONFIG_FRAGMENTS}" = "${DEFCONFIG}" ] ); then
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echo "No defconfig fragments for ${DEFCONFIG}"
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return
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fi
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local output=$(mktemp)
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mkdir -p $(dirname ${OUT_DIR}/arch/${ARCH}/configs/${DEFCONFIG})
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KCONFIG_CONFIG=${OUT_DIR}/arch/${ARCH}/configs/${DEFCONFIG} \
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${KERNEL_DIR}/scripts/kconfig/merge_config.sh \
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-m -r -y ${DEFCONFIG_FRAGMENTS} | tee $output
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set +x
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if grep -q -E -e "Previous value: [^=]+=[ym]" $output; then
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echo "========================================================"
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echo "ERROR! Detected overridden config!"
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grep -C 1 -E -e "Previous value: [^=]+=[ym]" $output >&2
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rm $output
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exit 1
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fi
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local temp_config=$(mktemp)
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(cd ${KERNEL_DIR} && KCONFIG_CONFIG=${temp_config} make "${TOOL_ARGS[@]}" O=${OUT_DIR} "${MAKE_ARGS[@]}" ${DEFCONFIG}) 2>&1 | tee $output
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if grep -q -e "warning:" $output; then
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echo "========================================================"
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echo "ERROR! Treating config warnings as errors"
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grep -e "warning" $output >&2
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rm $output $temp_config
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exit 1
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fi
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rm $output $temp_config
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set -x
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}
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append_cmd PRE_DEFCONFIG_CMDS "merge_defconfig_fragments"
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function check_merged_defconfig() {
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if ( [ -z "${DEFCONFIG_FRAGMENTS}" ] ||
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[ "${DEFCONFIG_FRAGMENTS}" = "${DEFCONFIG}" ] ); then
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return
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fi
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local output=$(mktemp)
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${KERNEL_DIR}/scripts/diffconfig "${OUT_DIR}/arch/${ARCH}/configs/${DEFCONFIG}" ${OUT_DIR}/.config > $output
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set +x
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# Allow CONFIG_CMDLINE changes
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if grep -q -v -E -e "^\+" -e "^CMDLINE " $output; then
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echo "========================================================"
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echo "ERROR! Defconfig fragment did not apply as expected"
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grep -v -E -e "^\+" -e "^CMDLINE " $output
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rm $output
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exit 1
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fi
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rm $output
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set -x
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}
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append_cmd POST_DEFCONFIG_CMDS "check_merged_defconfig"
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# Wrapper function around merge_defconfig_fragment to reduce repeated logic
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# Usage: apply_defconfig_fragment ${KERNEL_DIR}/cuttlefish.fragment cuttlefish-gki_defconfig
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function apply_defconfig_fragment() {
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FRAGMENT_CONFIG=$1
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if [ -z "${DEFCONFIG_FRAGMENTS}" ]; then
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DEFCONFIG_FRAGMENTS="${KERNEL_DIR}/arch/${ARCH}/configs/${DEFCONFIG}"
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fi
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DEFCONFIG_FRAGMENTS="${DEFCONFIG_FRAGMENTS} $1"
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DEFCONFIG="${2:-${DEFCONFIG}}"
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}
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################################################################################
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## DLKMs
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if [ -e "${KERNEL_DIR}/modules.list.${CONFIG_TARGET}" ]; then
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MODULES_LIST=${KERNEL_DIR}/modules.list.${CONFIG_TARGET}
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fi
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if [ -e "${KERNEL_DIR}/modules.blocklist.${CONFIG_TARGET}" ]; then
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MODULES_BLOCKLIST="${KERNEL_DIR}/modules.blocklist.${CONFIG_TARGET}"
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VENDOR_DLKM_MODULES_BLOCKLIST="${KERNEL_DIR}/modules.blocklist.${CONFIG_TARGET}"
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fi
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if [ "${BUILD_VENDOR_DLKM}" == "1" ]; then
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COMBINED_MODULE_LIST=$(mktemp)
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fi
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if [[ "${PREPARE_SYSTEM_DLKM}" == "1" && ! -z "${SYSTEM_DLKM_MODULES_LIST}" ]]; then
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{
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awk -F'/' '{print $NF}' ${SYSTEM_DLKM_MODULES_LIST}
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[ -f "${MODULES_LIST}" ] && cat "${MODULES_LIST}"
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} | sed -e '/^$/d' > ${COMBINED_MODULE_LIST}
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fi
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function prepare_vendor_dlkm() {
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if [ -z "${VENDOR_DLKM_MODULES_LIST}" ]; then
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local module_list_flag=
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if [ -s "${COMBINED_MODULE_LIST}" ]; then
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module_list_flag="-f ${COMBINED_MODULE_LIST}"
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elif [ -e "${MODULES_LIST}" ]; then
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module_list_flag="-f ${MODULES_LIST}"
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else
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module_list_flag="-e ''"
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fi
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(cd "${MODULES_STAGING_DIR}/lib/modules/" && find -type f -name "*.ko" -printf "%f\n") | \
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grep -w -v ${module_list_flag} - > ${MODULES_STAGING_DIR}/vendor_dlkm.modules.load
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VENDOR_DLKM_MODULES_LIST="${MODULES_STAGING_DIR}/vendor_dlkm.modules.load"
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if [[ ! -s ${VENDOR_DLKM_MODULES_LIST} ]]; then
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echo "========================================================"
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echo "WARNING: ${VENDOR_DLKM_MODULES_LIST} is empty file!"
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fi
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fi
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SUPER_IMAGE_CONTENTS+=("${DIST_DIR}/vendor_dlkm.img")
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rm ${COMBINED_MODULE_LIST}
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}
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if [ "${BUILD_VENDOR_DLKM}" == "1" ]; then
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append_cmd DIST_CMDS 'prepare_vendor_dlkm'
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if [ -e "${KERNEL_DIR}/modules.vendor_blocklist.${CONFIG_TARGET}" ]; then
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VENDOR_DLKM_MODULES_BLOCKLIST="${KERNEL_DIR}/modules.vendor_blocklist.${CONFIG_TARGET}"
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fi
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fi
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function prepare_system_dlkm() {
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if [ "${PREPARE_SYSTEM_DLKM}" == "1" ]; then
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if [ -e "${KERNEL_DIR}/modules.systemdlkm_blocklist.${CONFIG_TARGET}" ]; then
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SYSTEM_DLKM_MODULES_BLOCKLIST="${KERNEL_DIR}/modules.systemdlkm_blocklist.${CONFIG_TARGET}"
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cp $SYSTEM_DLKM_MODULES_BLOCKLIST ${DIST_DIR}/system_dlkm.modules.blocklist
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if [ "${APPEND_SYSTEM_DLKM_BLOCKLIST_TO_VENDOR_RAMDISK}" == "1" ]; then
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(cd ${DIST_DIR} && find -name system_dlkm.modules.blocklist | cpio -H newc -o) > ${DIST_DIR}/system_dlkm_blocklist.cpio
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if [ -n "${TARGET_HAS_SEPARATE_RD}" ]; then
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${RAMDISK_COMPRESS} "${DIST_DIR}/system_dlkm_blocklist.cpio" >"${DIST_DIR}/system_dlkm_blocklist.${RAMDISK_EXT}"
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cat "${DIST_DIR}/system_dlkm_blocklist.${RAMDISK_EXT}" >>"${VENDOR_RAMDISK_BINARY}"
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else
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VENDOR_RAMDISK_BINARY+=" ${DIST_DIR}/system_dlkm_blocklist.cpio"
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fi
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fi
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fi
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SUPER_IMAGE_CONTENTS+=("${DIST_DIR}/system_dlkm.img")
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fi
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}
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append_cmd DIST_CMDS 'prepare_system_dlkm'
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KERNEL_BINARY=Image
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################################################################################
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## DT Overlay
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LIBUFDT_PREBUILTS_BIN=tools/libufdt/utils/src
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function make_dtbo_img() {
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mkdir -p ${DIST_DIR}/
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mkdtboimg create ${DIST_DIR}/dtbo.img --page_size=${PAGE_SIZE} ${DIST_DIR}/*.dtbo
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}
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if [ ! -z $DT_OVERLAY_SUPPORT ] && [ ! $DT_OVERLAY_SUPPORT -eq "0" ]; then
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append_cmd DIST_CMDS 'make_dtbo_img'
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fi
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################################################################################
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## Cating all the DTBs and create a dtb.img
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function make_dtb_img() {
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mkdir -p ${DIST_DIR}/
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mkdtboimg create ${DIST_DIR}/${MSM_ARCH}-dtb.img --page_size=${PAGE_SIZE} ${DIST_DIR}/*.dtb
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}
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if [ ! -z $DTB_IMG_CREATE ] && [ ! $DTB_IMG_CREATE -eq "0" ]; then
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append_cmd DIST_CMDS 'make_dtb_img'
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fi
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################################################################################
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## Cating all the DTBs and create a dtb.img for a virtual machine
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function make_vm_dtb_img() {
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mkdir -p ${DIST_DIR}/
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for i in "${!MKDTIMGDTBS[@]}"; do
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mkdtboimg create ${DIST_DIR}/${i}-dtb.img --page_size=${PAGE_SIZE} ${DIST_DIR}/${MKDTIMGDTBS[$i]}*.dtb
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done
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}
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if [ -n "$VM_DTB_IMG_CREATE" ] && [ ! "$VM_DTB_IMG_CREATE" -eq "0" ]; then
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append_cmd DIST_CMDS 'make_vm_dtb_img'
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fi
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################################################################################
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## Miscellaneous
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if [ -n "${EXTRA_CONFIGS}" ]; then
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for extra_config in "${EXTRA_CONFIGS[@]}"
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do
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. ${extra_config}
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done
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fi
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################################################################################
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## Copy prebuilt files to ${COMMON_OUT_DIR}/host/bin to be used by CI tools
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DIST_BINS="""
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build/android/merge_dtbs.py
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build/build-tools/path/linux-x86/ufdt_apply_overlay
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"""
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function copy_dist_bins() (
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set +x
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set -e
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mkdir -p ${COMMON_OUT_DIR}/host/bin
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echo "Copying binaries to host/bin"
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for FILE in ${DIST_BINS}; do
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if [ -f ${ROOT_DIR}/${FILE} ]; then
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echo " $FILE"
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cp -p ${ROOT_DIR}/${FILE} ${COMMON_OUT_DIR}/host/bin/
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else
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echo " $FILE is not a file, skipping"
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fi
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done
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)
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append_cmd DIST_CMDS 'copy_dist_bins'
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