From d563c90d4336feed5487a1d8406462869ee79071 Mon Sep 17 00:00:00 2001
From: mcdachpappe <noreference@web.de>
Date: Sat, 26 Nov 2022 09:31:56 +0100
Subject: [PATCH] mcd: Add build_kernel script

Collected together from various script out there. It may be a mess, but it
serves it's purpose - I apologize.

Signed-off-by: mcdachpappe <noreference@web.de>
---
 build_kernel.sh | 512 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 512 insertions(+)
 create mode 100755 build_kernel.sh

diff --git a/build_kernel.sh b/build_kernel.sh
new file mode 100755
index 000000000000..5cbd73b002eb
--- /dev/null
+++ b/build_kernel.sh
@@ -0,0 +1,512 @@
+#!/bin/bash
+
+# windows ps
+# certutil -hashfile C:\Users\mcd\Desktop\mcd_op6x_r12.zip sha1
+
+# clear terminal window
+clear
+
+##### Name ####################################################
+
+# Name
+DEVICE="op6x"
+KERNEL_NAME="mcd_${DEVICE}"
+#BUILDDATE="$(date +"%d-%m-%Y")"
+VER="r19"
+
+DEFCONFIG="mcd_defconfig"
+#DEFCONFIG="enchilada_defconfig"
+
+KERNEL_ZIP_NAME="${KERNEL_NAME}_${VER}"
+CHANGELOG_NAME="changelog_op6x_${VER}"
+LOCALVERSIONSTRING="-mcd"
+
+export KBUILD_BUILD_USER="mcd"
+export KBUILD_BUILD_HOST="vmbox"
+
+# Env
+export ARCH="arm64"
+
+# Threads
+THREAD="-j$(grep -c ^processor /proc/cpuinfo)"
+
+##### PATHS ####################################################
+
+AROOT="${PWD}"
+KERNEL_DIR="${AROOT}/kernel"
+KERNEL_OUTPUT="${KERNEL_DIR}/out"
+KERNEL_FILE="Image.gz-dtb"
+KERNEL_FILE_DIR="${KERNEL_OUTPUT}/arch/${ARCH}/boot"
+TOOLCHAIN_DIR="${AROOT}/toolchains"
+AK3_DIR="${AROOT}/AnyKernel3"
+
+# check if AK3 dir supports both kernel types
+if [ -d "${AK3_DIR}/kernels" ]; then
+	TWOKERNELZIP=true
+else
+	TWOKERNELZIP=false
+fi
+
+##### Toolchain ################################################
+
+#CLANG_PATH="${TOOLCHAIN_DIR}/mcd-clang" # Custom
+#CLANG_PATH="${TOOLCHAIN_DIR}/linux-x86/clang-r416183b1" # AOSP android-12.0.0_r1
+#CLANG_PATH="${TOOLCHAIN_DIR}/linux-x86/clang-r450784d"	# AOSP android-13.0.0_r1
+CLANG_PATH="${TOOLCHAIN_DIR}/clang-r416183b" # android-13.0.0_r0.20, v12.0.5
+
+# Clang paths
+CLANG_BIN="${CLANG_PATH}/bin"
+
+# GCC paths
+gcc_arm64="${TOOLCHAIN_DIR}/aarch64-linux-android-4.9/bin"
+gcc_arm32="${TOOLCHAIN_DIR}/arm-linux-androideabi-4.9/bin"
+
+# Binutils prefixes
+gcc_prefix64="aarch64-linux-android-"
+gcc_prefix32="arm-linux-androidkernel-"
+
+###### KERNEL NAMING #####################################
+
+cd "${KERNEL_DIR}" || exit
+
+CURRENTBRANCH="$(git rev-parse --abbrev-ref HEAD)"
+
+case "$CURRENTBRANCH" in
+	mcd-CUSTOM* )
+		# release custom
+		ISRELEASE=true
+		ISCUSTOM=true
+		if [ $TWOKERNELZIP = false ]; then
+			KERNEL_ZIP_NAME="${KERNEL_ZIP_NAME}-custom"
+		fi
+		LOCALVERSIONSTRING="_${VER}-custom"
+		;;
+	mcd-OOS* )
+		# release oos
+		ISRELEASE=true
+		ISCUSTOM=false
+		if [ $TWOKERNELZIP = false ]; then
+			KERNEL_ZIP_NAME="${KERNEL_ZIP_NAME}-oos"
+		fi
+		LOCALVERSIONSTRING="_${VER}-oos"
+		;;
+	*oos* )
+		# test oos
+		ISRELEASE=false
+		ISCUSTOM=false
+		KERNEL_ZIP_NAME="${CURRENTBRANCH}"
+		LOCALVERSIONSTRING="_${CURRENTBRANCH}"
+		CHANGELOG_NAME="changelog_${CURRENTBRANCH}"
+		;;
+	* )
+		# test custom
+		ISRELEASE=false
+		ISCUSTOM=true
+		KERNEL_ZIP_NAME="${CURRENTBRANCH}"
+		LOCALVERSIONSTRING="_${CURRENTBRANCH}"
+		CHANGELOG_NAME="changelog_${CURRENTBRANCH}"
+		;;
+esac
+
+# set final filename
+CHANGELOG_FILE="${AROOT}/${CHANGELOG_NAME}.txt"
+
+export LOCALVERSION="${LOCALVERSIONSTRING}"
+
+cd "${AROOT}" || exit
+
+#################################################################
+
+# Bash Color
+RST='\033[0m' 		# reset
+BLD="\033[1m"		# bold
+RED='\033[01;31m'	# red
+GRN='\033[01;32m'	# green
+YLW="\033[01;33m"	# yeelow
+CYN='\033[01;36m'	# cyan
+
+# Alias for echo to handle escape codes like colors
+function echo() {
+    command echo -e "$@"
+}
+
+# Prints a formatted header to point out what is being done to the user
+function header() {
+    echo "${GRN}"
+    echo " ====$(for _ in $(seq ${#1}); do echo "=\c"; done)===="
+    echo " ==  ${1}  =="
+    echo " ====$(for _ in $(seq ${#1}); do echo "=\c"; done)===="
+    echo "${RST}"
+}
+
+# Prints an error in bold red
+function die() {
+    echo
+    echo " ${RED}${1}${RST}"
+    echo
+    exit 1
+}
+
+# Prints a statement in bold GRN
+function success() {
+	echo
+    echo " ${GRN}${1}${RST}"
+}
+
+# Prints a warning in bold yellow
+function warn() {
+    echo "${YLW}${1}${RST}"
+}
+
+# Get the version of Clang in an user-friendly form
+function get_clang_version() {
+	"$1" --version | head -n 1 | perl -pe 's/\((?:http|git).*?\)//gs' | sed -e 's/  */ /g' -e 's/[[:space:]]*$//'
+}
+
+# Get the version of Linker in an user-friendly form
+function get_ld_version() {
+	"$1" --version | head -n 1 | perl -pe 's/\((?:http|git).*?\)//gs' | sed 's/(compatible with [^)]*)//' | sed -e 's/  */ /g' -e 's/[[:space:]]*$//'
+}
+
+# Get the Linker name in an user-friendly form
+function get_ld_name() {
+	"$1" --version | cut -d' ' -f1
+}
+
+# Get the version of GCC in an user-friendly form
+function get_gcc_version() {
+	"$1" --version | head -n 1 | cut -d'(' -f2 | tr -d ')' | sed -e 's/[[:space:]]*$//'
+}
+
+# Show differences between the committed defconfig and current config
+function dc() {
+	diff "${KERNEL_DIR}/arch/${ARCH}/configs/${DEFCONFIG}" "${KERNEL_OUTPUT}/.config"
+}
+
+# open .config from /out
+function openconfig() {
+	subl "${KERNEL_OUTPUT}/.config"
+}
+
+# open defconfig from kerneltree
+function opendefconfig() {
+	subl "${KERNEL_DIR}/arch/${ARCH}/configs/${DEFCONFIG}"
+}
+
+# check linker
+function checklinker() {
+	readelf --string-dump .comment "${KERNEL_OUTPUT}/vmlinux"
+}
+
+# Clean up working dirs
+function clean_all() {
+	# remove kernel images
+	if [[ $(find "${AK3_DIR}" -type f -name "${KERNEL_FILE}") ]]; then
+		warn " Found kernel images:"
+		find "${AK3_DIR}" -type f -name "${KERNEL_FILE}"
+
+		echo
+		while read -r -p " Remove images? [y / n] : " removeimages
+		do
+		case "$removeimages" in
+			y|yes )
+				# find and delete kernel image
+				find "${AK3_DIR}" -type f -name "${KERNEL_FILE}" -delete
+				warn " Deleted kernel image(s)."
+				echo
+				sleep 1
+				break
+				;;
+			n|no )
+				warn " Keep kernel image(s)."
+				echo
+				sleep 1
+				break
+				;;
+			*)
+				echo -e "${RED}"
+				echo " Invalid input, try again!"
+				echo -e "${RST}"
+				;;
+		esac
+		done
+	fi
+
+	cd "${KERNEL_DIR}" || exit
+	make "${THREAD}" mrproper
+	cd "${AROOT}" || exit	
+}
+
+function kmake-wrapper(){
+	cd "${KERNEL_DIR}" || exit
+
+	warn "Wrapper"
+	echo
+
+	# delete previous kernel image - if present
+	if [ -f "${KERNEL_FILE_DIR}/${KERNEL_FILE}" ]; then
+		rm "${KERNEL_FILE_DIR}/${KERNEL_FILE}"
+	fi
+
+	# generate defconfig
+	make -s O="${KERNEL_OUTPUT}" "${DEFCONFIG}"
+
+	PATH="${CLANG_BIN}:${gcc_arm64}:${gcc_arm32}:${PATH}" \
+	LD_LIBRARY_PATH="${CLANG_PATH}/lib64:${LD_LIBRARY_PATH}" \
+	make "${THREAD}" \
+		O="${KERNEL_OUTPUT}" \
+		ARCH="${ARCH}" \
+		CLANG_TRIPLE="aarch64-linux-gnu-" \
+		CROSS_COMPILE="${gcc_prefix64}" \
+		CROSS_COMPILE_ARM32="${gcc_prefix32}" \
+		CROSS_COMPILE_COMPAT="${gcc_prefix32}" \
+		HOSTCC="clang" \
+		HOSTCXX="clang++" \
+		CC=clang \
+		AR="llvm-ar" \
+		NM="llvm-nm" \
+		STRIP="llvm-strip" \
+		OBJCOPY="llvm-objcopy" \
+		OBJDUMP="llvm-objdump" \
+		KBUILD_COMPILER_STRING="$(get_clang_version "${CLANG_BIN}"/clang)" \
+		2>&1 | tee ../kernel_log.txt
+
+	cd "${AROOT}" || exit
+}
+
+function kmake-wrapper-llvm(){
+	cd "${KERNEL_DIR}" || exit
+
+	warn " Info: LLVM Wrapper"
+	echo
+
+	# delete previous kernel image - if present
+	if [ -f "${KERNEL_FILE_DIR}/${KERNEL_FILE}" ]; then
+		rm "${KERNEL_FILE_DIR}/${KERNEL_FILE}"
+	fi
+
+	# generate defconfig
+	make -s O="${KERNEL_OUTPUT}" "${DEFCONFIG}"
+
+	PATH="${CLANG_BIN}:${gcc_arm64}:${gcc_arm32}:${PATH}" \
+	LD_LIBRARY_PATH="${CLANG_PATH}/lib64:${LD_LIBRARY_PATH}" \
+	make "${THREAD}" \
+		O="${KERNEL_OUTPUT}" \
+		ARCH="${ARCH}" \
+		CLANG_TRIPLE="aarch64-linux-gnu-" \
+		CROSS_COMPILE="${gcc_prefix64}" \
+		CROSS_COMPILE_ARM32="${gcc_prefix32}" \
+		CROSS_COMPILE_COMPAT="${gcc_prefix32}" \
+		LLVM=1 \
+		LLVM_IAS=1 \
+		KBUILD_COMPILER_STRING="$(get_clang_version "${CLANG_BIN}"/clang)" \
+		2>&1 | tee ../kernel_log.txt
+
+	cd "${AROOT}" || exit
+}
+
+# Zip kernel
+function make_zip() {
+	# check if kernel image is present, else abort
+	if [[ ! $(find "${KERNEL_FILE_DIR}" -type f -name "${KERNEL_FILE}") ]]; then
+		warn " No kernel image available!"
+		die " Aborting..."
+	fi
+
+	# check if ak3 dir supports both kernel types
+	if [ $TWOKERNELZIP = true ]; then
+		warn " Installer: Two kernel image support!"
+		echo
+		if [ $ISCUSTOM = true ]; then
+			echo " Copy ${RED}custom${RST} kernel image..."
+			echo
+			cp -v "${KERNEL_FILE_DIR}/${KERNEL_FILE}" "${AK3_DIR}/kernels/custom"
+			echo
+			sleep 1
+		else
+			echo " Copy ${RED}OxygenOS${RST} kernel image..."
+			echo
+			cp -v "${KERNEL_FILE_DIR}/${KERNEL_FILE}" "${AK3_DIR}/kernels/oos"
+			echo
+			sleep 1
+		fi
+		# change filename, if both kernel images exists, remove nameing
+		if [[ -f "${AK3_DIR}/kernels/oos/${KERNEL_FILE}" ]]; then
+			if [[ -f "${AK3_DIR}/kernels/custom/${KERNEL_FILE}" ]]; then
+				KERNEL_ZIP_NAME=${KERNEL_ZIP_NAME//-custom/}
+				KERNEL_ZIP_NAME=${KERNEL_ZIP_NAME//-oos/}
+			fi
+		fi
+	else
+
+	warn " Installer: Stock image support!"
+	echo
+	echo " Copy ${RED}OxygenOS${RST} kernel image..."
+	cp "${KERNEL_FILE_DIR}/${KERNEL_FILE}" "${AK3_DIR}/${KERNEL_FILE}"
+	fi
+	
+	# zip
+	cd "${AK3_DIR}" || exit
+	zip -q -r "${KERNEL_ZIP_NAME}".zip ./* -x .git README.md LICENSE ./*placeholder
+	mv ./*.zip "${AROOT}"
+	cd "${AROOT}" || exit
+}
+
+# Gernerate changelog
+function changelog() {
+	if [ -f "${CHANGELOG_FILE}" ]; then
+		rm -f "${CHANGELOG_FILE}"
+	fi
+
+	cd "${KERNEL_DIR}" || exit
+
+	LATEST_TAG=$(git describe --abbrev=0 --tags)
+	PREVIOUS_TAG=$(git describe --abbrev=0 --tags "$(git rev-list --tags --skip=1  --max-count=1)")
+
+	touch "${CHANGELOG_FILE}"
+	{
+    echo "## changelog ${LATEST_TAG}";
+    echo "";
+    git log --pretty=tformat:"%h  %s  [%an]" "${LATEST_TAG}...${PREVIOUS_TAG}";
+	} >> "${CHANGELOG_FILE}"
+
+	cd "${AROOT}" || exit
+}
+
+# Gernerate sh1sum's
+function gen_sha1sum() {
+	sha1sum ./*.zip
+	#sha1sum "$KERNEL_ZIP_NAME.zip"
+}
+
+####### Terminal Window #############################################
+
+function MENU() {
+	echo
+	echo "${GRN} == Project info ==${RST}"
+	echo " - Branch: '${YLW}${CURRENTBRANCH}${RST}'"
+	[ $ISCUSTOM = true ] && build="${YLW}Custom ROM${RST}" || build="${YLW}OxygenOS${RST}"
+	[ $ISRELEASE = true ] && echo " - Release '${build}' | Version: '${YLW}${VER}${RST}'" || echo " - ${RED}Test${RST} ${build} build"
+	[ $TWOKERNELZIP = true ] && echo " - Two kernel image ZIP"
+	header "Main Menu"
+	echo " [c]  Clean up working dir's"
+	echo " [b]  Build kernel"
+	echo " [z]  Zip Kernel"
+	echo
+	echo " [d]  Diff generated .config against defconfig"
+	echo " [o]  Open generated .config from /out folder"
+	echo " [od] Open defconfig from kerneltree"
+	echo " [cl] Check used linker"
+	echo
+	echo " [gl] Generate changelog"
+	echo " [gh] Generate sha1sum's"
+	echo
+	echo "${BLD} [e]  Exit script${RST}"
+	echo
+}
+
+while MENU && read -r -p " Input: " userchoice
+do
+case "$userchoice" in
+    i|info)
+    	clear
+    	header "Information" "${CYN}"
+		information
+		sleep 1.5
+		;;
+    c|clean)
+    	clear
+		header "Clean up"
+		clean_all
+		sleep 1
+		success "Done."
+		sleep 1
+		;;
+    b|build)
+    	clear
+    	header "Build kernel"
+		echo " Active compiler: '${YLW}$(get_clang_version "${CLANG_BIN}"/clang)${RST}'"
+		echo
+
+		DATE_START="$(date +"%s")"
+
+		# make command
+		kmake-wrapper-llvm
+
+		DATE_END="$(date +"%s")"
+
+		# if kernel image does not exist, exit
+		if [ ! -f "${KERNEL_FILE_DIR}/${KERNEL_FILE}" ]; then
+			die " Compiling was NOT successful! Aborting."
+		fi
+
+		DIFF="$(("${DATE_END}" - "${DATE_START}"))"
+		success "Completed in: "$(("${DIFF}" / 60))" minute(s) and "$(("${DIFF}" % 60))" seconds."
+		sleep 1
+		;;
+    z|zip)
+    	clear
+		header "Zip Kernel"
+		make_zip
+		warn " Filename: ${KERNEL_ZIP_NAME}.zip"
+		success "Done."
+		sleep 1
+		;;
+    gl|log)
+    	clear
+    	header "Generate changelog"
+		changelog
+		echo " Filename: ${CHANGELOG_FILE}"
+		success "Done."
+		sleep 1
+		;;
+    gh|sha1sum)
+    	clear
+    	header "Generate sha1-sum"
+		gen_sha1sum
+		success "Done."
+		sleep 1
+		;;
+    d|diff)
+    	clear
+    	header "Show diff"
+		dc
+		success "Done."
+		sleep 1
+		;;
+	o|openconfig)
+		clear
+    	header "Opening .config file..."
+    	sleep 1
+    	openconfig
+		sleep 1
+		;;
+	od|opendefconfig)
+		clear
+    	header "Opening defconfig..."
+    	sleep 1
+    	opendefconfig
+		sleep 1
+		;;
+	cl|linker)
+		clear
+    	header "Check Linker"
+    	sleep 1
+		checklinker
+		sleep 1
+		;;
+    e|exit)
+		echo
+    	warn " Exiting script..."
+    	echo
+		break
+        ;;
+    *)
+		echo -e "${RED}"
+		echo "     Invalid input, try again!"
+		echo -e "${RST}"
+		;;
+    esac
+done
+
+#################################################################