395 lines
13 KiB
Bash
Executable file
395 lines
13 KiB
Bash
Executable file
#!/bin/bash
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set -eo pipefail
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# Variables
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## Cloning (update these if you fork this project)
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export "BUILDTOOL_REPOSITORY=https://git.staropensource.de/JeremyStarTM/kernel-optimized.git"
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export "BUILDTOOL_CLONEDIR=jstm-kernel-optimized"
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## Base packages to install, packages will be added by questions
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export "BUILDTOOL_PACKAGES=base-devel git rustup"
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## Building command line stuff
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export "BUILDTOOL_BUILDCMDLINE=nice -20 env MAKEFLAGS=-j$(nproc)"
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## OOOOoooo colors! (not true color tho)
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export "BUILDTOOL_COLOR_SPECIAL=\e[0;35m"
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export "BUILDTOOL_COLOR_WARN=\e[0;33m"
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export "BUILDTOOL_COLOR_ERROR=\e[0;31m"
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export "BUILDTOOL_COLOR_RESET=\e[0m"
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# Logging
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## Empty
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function empty() {
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echo ""
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}
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## Special
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function special() {
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echo -e "${BUILDTOOL_COLOR_SPECIAL}${*}${BUILDTOOL_COLOR_RESET}"
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}
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## Informational (header)
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function infoh() {
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echo -e "${BUILDTOOL_COLOR_RESET}[INFO] ${*}"
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}
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## Informational (extension)
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function infoe() {
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echo -e "${BUILDTOOL_COLOR_RESET} ${*}"
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}
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## Warning (header)
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function warnh() {
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echo -e "${BUILDTOOL_COLOR_WARN}[WARN] ${*}${BUILDTOOL_COLOR_RESET}"
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}
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## Warning (extension)
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function warne() {
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echo -e "${BUILDTOOL_COLOR_WARN} ${*}${BUILDTOOL_COLOR_RESET}"
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}
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## Error (header)
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function errorh() {
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echo -e "${BUILDTOOL_COLOR_ERROR}[ERR!] ${*}${BUILDTOOL_COLOR_RESET}"
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}
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## Error (extension)
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function errore() {
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echo -e "${BUILDTOOL_COLOR_ERROR} ${*}${BUILDTOOL_COLOR_RESET}"
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}
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# Banner
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special "${BUILDTOOL_COLOR_RESET}${BUILDTOOL_COLOR_SPECIAL} _ _ _ _ _ _ _ _ "
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special " (_)___| |_ _ __ ___ | | _____ _ __ _ __ ___| | ___ _ __ | |_(_)_ __ ___ (_)_______ __| |"
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special " | / __| __| '_ \` _ \\ _____| |/ / _ \\ '__| '_ \\ / _ \\ |_____ / _ \\| '_ \\| __| | '_ \` _ \\| |_ / _ \\/ _\` |"
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special " | \\__ \\ |_| | | | | |_____| < __/ | | | | | __/ |_____| (_) | |_) | |_| | | | | | | |/ / __/ (_| |"
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special " _/ |___/\\__|_| |_| |_| |_|\\_\\___|_| |_| |_|\\___|_| \\___/| .__/ \\__|_|_| |_| |_|_/___\\___|\\__,_|${BUILDTOOL_COLOR_RESET}"
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special "|__/ |_|"
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empty
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# Print debug info warning
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if [ -n "${BUILDTOOL_DEBUG}" ]; then
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warnh "Debug mode is enabled"
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fi
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# Checks
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## Check for Arch Linux
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(
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# shellcheck disable=SC1091
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source "/etc/os-release"
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if [ "${NAME}" != "Arch Linux" ] || [ "${PRETTY_NAME}" != "Arch Linux" ] || [ "${ID}" != "arch" ]; then
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if [ -z "${BUILDTOOL_COMPILE_NONARCH}" ]; then
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errorh "Not running on Arch Linux"
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errore "This kernel can only compile on Arch Linux"
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errore "If you are sure that you want to compile this kernel on other distributions"
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errore "set the \$BUILDTOOL_COMPILE_NONARCH environment variable to \"true\""
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exit 1
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else
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warnh "Compiling on a non-arch distribution. This may lead to unexpected errors!"
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fi
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fi
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)
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## Check for root
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if [ "${UID}" == "0" ]; then
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errorh "Can't build kernel as root"
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errore "Please create a new user for building the kernel"
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exit 1
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fi
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## Check for sudo
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if ! which sudo &> /dev/null; then
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errorh "Could not find sudo in \$PATH"
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errore "Please ensure that you have sudo installed"
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exit 1
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fi
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# Questions
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## Ask if mold should replace ld/lld
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function ask_mold() {
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read -rp "$(infoh "Do you want to use mold as your linker (much faster) [Y/n]? ")" BUILDTOOL_MOLD
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case "${BUILDTOOL_MOLD}" in
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"y"|"Y"|"")
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export "BUILDTOOL_PACKAGES=${BUILDTOOL_PACKAGES} mold"
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export "BUILDTOOL_BUILDCMDLINE=${BUILDTOOL_BUILDCMDLINE} LDFLAGS=-fuse-ld=mold RUSTFLAGS=\"-C link-arg=-fuse-ld=mold\""
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;;
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"n"|"N") ;;
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*)
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errorh "Invalid answer. Please answer with Y or N"
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ask_mold
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esac
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}
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## Ask if the governor should be adjusted
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function ask_cpupower() {
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read -rp "$(infoh "Do you want to adjust the cpu governor (improves build performance) [Y/n]? ")" BUILDTOOL_CPUPOWER
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case "${BUILDTOOL_CPUPOWER}" in
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"y"|"Y"|"")
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export "BUILDTOOL_PACKAGES=${BUILDTOOL_PACKAGES} cpupower"
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;;
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"n"|"N") ;;
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*)
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errorh "Invalid answer. Please answer with Y or N"
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ask_cpupower
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esac
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}
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## Ask for building in tmpfs
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function ask_tmpfs() {
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if [ -n "${BUILDTOOL_LOCALDIR}" ]; then
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warnh "Skipped ask_tmpfs, building in local directory instead (\$BUILDTOOL_LOCALDIR is set)"
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export "BUILDTOOL_CLONEDIR=$(pwd)"
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return
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fi
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read -rp "$(infoh "Do you want to build in a tmpfs (improves build performance, protects your disk from wearing out faster, ~32 GiB memory required) [Y/n]? ")" BUILDTOOL_TMPFS
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case "${BUILDTOOL_TMPFS}" in
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"y"|"Y"|"")
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export "BUILDTOOL_CLONEDIR=/tmp/${BUILDTOOL_CLONEDIR}"
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;;
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"n"|"N")
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export "BUILDTOOL_CLONEDIR=$(pwd)/${BUILDTOOL_CLONEDIR}"
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;;
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*)
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errorh "Invalid answer. Please answer with Y or N"
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ask_tmpfs
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esac
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}
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## Ask for kernel config modification using xconfig
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function ask_xconfig() {
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read -rp "$(infoh "Do you want to configure the kernel using xconfig before build [y/N]? ")" BUILDTOOL_XCONFIG
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case "${BUILDTOOL_XCONFIG}" in
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"y"|"Y")
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export "BUILDTOOL_PKGBUILD_XCONFIG=_makexconfig=SET"
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;;
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"n"|"N"|"")
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export "BUILDTOOL_PKGBUILD_XCONFIG=_makexconfig="
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;;
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*)
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errorh "Invalid answer. Please answer with Y or N"
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ask_xconfig
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esac
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}
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## Ask for kernel config modification using xconfig
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function ask_nconfig() {
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read -rp "$(infoh "Do you want to configure the kernel using nconfig before build [y/N]? ")" BUILDTOOL_NCONFIG
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case "${BUILDTOOL_NCONFIG}" in
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"y"|"Y")
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export "BUILDTOOL_PKGBUILD_NCONFIG=_makenconfig=SET"
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;;
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"n"|"N"|"")
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export "BUILDTOOL_PKGBUILD_NCONFIG=_makenconfig="
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;;
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*)
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errorh "Invalid answer. Please answer with Y or N"
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ask_nconfig
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esac
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}
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## Ask if the final kernel configuration should be copied
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function ask_cpfinalconfig() {
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read -rp "$(infoh "Do you want to copy the final kernel configuration before build [y/N]? ")" BUILDTOOL_CPFINALCONFIG
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case "${BUILDTOOL_CPFINALCONFIG}" in
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"y"|"Y")
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export "BUILDTOOL_PKGBUILD_CPFINALCONFIG=_copyfinalconfig=SET"
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;;
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"n"|"N"|"")
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export "BUILDTOOL_PKGBUILD_CPFINALCONFIG=_copyfinalconfig="
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;;
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*)
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errorh "Invalid answer. Please answer with Y or N"
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ask_cpfinalconfig
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esac
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}
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## Ask if only active modules should be compiled into the kernel
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function ask_modprobeddb() {
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read -rp "$(infoh "Do you want to only build active kernel modules (modprobed-db must be installed, read \"https://wiki.archlinux.org/index.php/Modprobed-db\" first) [y/N]? ")" BUILDTOOL_MODPROBEDDB
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case "${BUILDTOOL_MODPROBEDDB}" in
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"y"|"Y")
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if ! which modprobed-db &> /dev/null; then
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errorh "Could not find modprobed-db in \$PATH."
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errore "Please ensure that you have modprobed-db installed."
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ask_modprobeddb
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return 1
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fi
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export "BUILDTOOL_PACKAGES=${BUILDTOOL_PACKAGES} modprobed-db"
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export "BUILDTOOL_PKGBUILD_MODPROBEDDB=_localmodcfg=SET"
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;;
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"n"|"N"|"")
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export "BUILDTOOL_PKGBUILD_MODPROBEDDB=_localmodcfg="
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;;
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*)
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errorh "Invalid answer. Please answer with Y or N"
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ask_modprobeddb
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esac
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}
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## Ask for sub architecture
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function ask_subarchitecture() {
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infoh "Displaying sub architecture list"
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infoe " 1. AMD Opteron/Athlon64/Hammer/K8 (MK8)"
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infoe " 2. AMD Opteron/Athlon64/Hammer/K8 with SSE3 (MK8SSE3)"
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infoe " 3. AMD 61xx/7x50/PhenomX3/X4/II/K10 (MK10)"
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infoe " 4. AMD Barcelona (MBARCELONA)"
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infoe " 5. AMD Bobcat (MBOBCAT)"
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infoe " 6. AMD Jaguar (MJAGUAR)"
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infoe " 7. AMD Bulldozer (MBULLDOZER)"
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infoe " 8. AMD Piledriver (MPILEDRIVER)"
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infoe " 9. AMD Steamroller (MSTEAMROLLER)"
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infoe "10. AMD Excavator (MEXCAVATOR)"
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infoe "11. AMD Zen (MZEN)"
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infoe "12. AMD Zen 2 (MZEN2)"
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infoe "13. AMD Zen 3 (MZEN3)"
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infoe "14. AMD Zen 4 (MZEN4)"
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infoe "15. Intel P4 / older Netburst based Xeon (MPSC)"
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infoe "16. Intel Core 2 (MCORE2)"
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infoe "17. Intel Atom (MATOM)"
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infoe "18. Intel Nehalem (MNEHALEM)"
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infoe "19. Intel Westmere (MWESTMERE)"
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infoe "20. Intel Silvermont (MSILVERMONT)"
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infoe "21. Intel Goldmont (MGOLDMONT)"
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infoe "22. Intel Goldmont Plus (MGOLDMONTPLUS)"
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infoe "23. Intel Sandy Bridge (MSANDYBRIDGE)"
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infoe "24. Intel Ivy Bridge (MIVYBRIDGE)"
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infoe "25. Intel Haswell (MHASWELL)"
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infoe "26. Intel Broadwell (MBROADWELL)"
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infoe "27. Intel Skylake (MSKYLAKE)"
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infoe "28. Intel Skylake X (MSKYLAKEX)"
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infoe "29. Intel Cannon Lake (MCANNONLAKE)"
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infoe "30. Intel Ice Lake (MICELAKE)"
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infoe "31. Intel Cascade Lake (MCASCADELAKE)"
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infoe "32. Intel Cooper Lake (MCOOPERLAKE)"
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infoe "33. Intel Tiger Lake (MTIGERLAKE)"
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infoe "34. Intel Sapphire Rapids (MSAPPHIRERAPIDS)"
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infoe "35. Intel Rocket Lake (MROCKETLAKE)"
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infoe "36. Intel Alder Lake (MALDERLAKE)"
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infoe "37. Intel Raptor Lake (MRAPTORLAKE)"
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infoe "38. Intel Meteor Lake (MMETEORLAKE)"
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infoe "39. Intel Emerald Rapids (MEMERALDRAPIDS)"
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infoe "40. Generic-x86-64 (GENERIC_CPU)"
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infoe "41. Generic-x86-64-v2 (GENERIC_CPU2)"
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infoe "42. Generic-x86-64-v3 (GENERIC_CPU3)"
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infoe "43. Generic-x86-64-v4 (GENERIC_CPU4)"
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infoe "44. Intel-Native optimizations autodetected by the compiler (MNATIVE_INTEL)"
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infoe "45. AMD-Native optimizations autodetected by the compiler (MNATIVE_AMD)"
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read -rp ":: Which sub architecture do you want to build Linux for (see above, enter 40 if unsure) [40]? " BUILDTOOL_SUBARCHITECTURE
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case "${BUILDTOOL_SUBARCHITECTURE}" in
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"")
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export "BUILDTOOL_PKGBUILD_SUBARCHITECTURE=_subarch=40"
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;;
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*[!0-9]*)
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errorh "Invalid subarchitecture"
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ask_subarchitecture
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return 1
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;;
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*)
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if [ ! "${BUILDTOOL_SUBARCHITECTURE}" -gt 0 ] || [ ! "${BUILDTOOL_SUBARCHITECTURE}" -lt 46 ]; then
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errorh "Invalid subarchitecture"
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ask_subarchitecture
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else
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export "BUILDTOOL_PKGBUILD_SUBARCHITECTURE=_subarch=${BUILDTOOL_SUBARCHITECTURE}"
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fi
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;;
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esac
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}
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## Ask for kernel debug mode
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function ask_debug() {
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read -rp "$(infoh "Do you want to enable kernel debug mode [y/N/i(gnore)]? ")" BUILDTOOL_KERNELDEBUG
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case "${BUILDTOOL_KERNELDEBUG}" in
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"y"|"Y")
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export "BUILDTOOL_PKGBUILD_DEBUG=_debug=y"
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;;
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"n"|"N"|"")
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export "BUILDTOOL_PKGBUILD_DEBUG=_debug=n"
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;;
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"i"|"I")
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export "BUILDTOOL_PKGBUILD_DEBUG=_debug="
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;;
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*)
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errorh "Invalid answer. Please answer with Y, N or I"
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ask_debug
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esac
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}
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## Ask for clone directory conflict resolution (includes check)
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function ask_clonedir_conflictresolution() {
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if [ -n "${BUILDTOOL_LOCALDIR}" ]; then
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warnh "Skipped conflict resolution (\$BUILDTOOL_LOCALDIR is set)"
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export "BUILDTOOL_CLONEDIR_CONFLICT=r"
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export "BUILDTOOL_MAKEPKG_REUSE= --noextract --force"
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return
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fi
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if [ ! -d "${BUILDTOOL_CLONEDIR}" ] && [ ! -L "${BUILDTOOL_CLONEDIR}" ]; then
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return
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elif [ -a "${BUILDTOOL_CLONEDIR}" ] && [ ! -d "${BUILDTOOL_CLONEDIR}" ] && [ ! -L "${BUILDTOOL_CLONEDIR}" ]; then
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warnh "Something that isn't a directory or symlink exists at location \"${BUILDTOOL_CLONEDIR}\""
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fi
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read -rp "$(infoh "Warning: \"${BUILDTOOL_CLONEDIR}\" already exists. What should be done to resolve the conflict [A(bort)/r(ecompile)/f(resh)]? ")" BUILDTOOL_CLONEDIR_CONFLICT
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case "${BUILDTOOL_CLONEDIR_CONFLICT}" in
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"a"|"A"|"")
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errorh "Conflict resolution failed"
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exit 1
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;;
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"r"|"R")
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export "BUILDTOOL_MAKEPKG_REUSE= --noextract --force"
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;;
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"f"|"F")
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infoh "Removing existing \$BUILDTOOL_CLONEDIR directory"
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rm -rf "${BUILDTOOL_CLONEDIR}"
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;;
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*)
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errorh "Invalid answer. Please answer with Y, N or I."
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ask_debug
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esac
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}
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ask_mold
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ask_cpupower
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ask_tmpfs
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ask_xconfig
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ask_nconfig
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ask_cpfinalconfig
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ask_modprobeddb
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ask_subarchitecture
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ask_debug
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ask_clonedir_conflictresolution
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# Pre-building
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## Install dependencies
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infoh "Installing dependencies"
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if ! sudo pacman -Syu --asdeps --needed ${BUILDTOOL_PACKAGES}; then
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errorh "Installing dependencies failed: pacman returned with non-zero exit code"
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exit 1
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fi
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if ! rustup default nightly; then
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errorh "Installing dependencies failed: rustup returned with non-zero exit code"
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exit 1
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fi
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## Adjust cpu governor
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case "${BUILDTOOL_CPUPOWER}" in
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"y"|"Y"|"")
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infoh "Adjusting cpu governor"
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if ! sudo cpupower frequency-set -g performance; then
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errorh "Adjusting cpu governor failed: cpupower returned with non-zero exit code"
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return 1
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fi
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;;
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"n"|"N") ;;
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*)
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errorh "Internal inconsistency detected: Value of \$BUILDTOOL_CPUPOWER is not a valid boolean answer"
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exit 2
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;;
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esac
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# Clone repository
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if [ "${BUILDTOOL_CLONEDIR_CONFLICT}" == "r" ] || [ "${BUILDTOOL_CLONEDIR_CONFLICT}" == "R" ]; then
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warnh "Skipping cloning process"
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else
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infoh "Cloning repository"
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git clone "${BUILDTOOL_REPOSITORY}" "${BUILDTOOL_CLONEDIR}"
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fi
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cd "${BUILDTOOL_CLONEDIR}"
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# Print debug information
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if [ -n "${BUILDTOOL_DEBUG}" ]; then
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infoh "Printing debug information"
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echo "+++ env +++"
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env|grep "BUILDTOOL_"|sort
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echo "+++ env +++"
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echo "build cmdline: ${BUILDTOOL_BUILDCMDLINE} "${BUILDTOOL_PKGBUILD_XCONFIG}" "${BUILDTOOL_PKGBUILD_NCONFIG}" "${BUILDTOOL_PKGBUILD_CPFINALCONFIG}" "${BUILDTOOL_PKGBUILD_MODPROBEDDB}" "${BUILDTOOL_PKGBUILD_SUBARCHITECTURE}" "${BUILDTOOL_PKGBUILD_DEBUG}" makepkg --syncdeps -p PKGBUILD.buildtool"
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echo "cwd: $(pwd)"
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fi
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# Build package
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infoh "Building package"
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if ! ${BUILDTOOL_BUILDCMDLINE} "${BUILDTOOL_PKGBUILD_XCONFIG}" "${BUILDTOOL_PKGBUILD_NCONFIG}" "${BUILDTOOL_PKGBUILD_CPFINALCONFIG}" "${BUILDTOOL_PKGBUILD_MODPROBEDDB}" "${BUILDTOOL_PKGBUILD_SUBARCHITECTURE}" "${BUILDTOOL_PKGBUILD_DEBUG}" makepkg --syncdeps${BUILDTOOL_MAKEPKG_REUSE} -p PKGBUILD.buildtool; then
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errorh "Failed package compilation: makepkg returned with non-zero exit code"
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errore "Please report this at \"${BUILDTOOL_ISSUETRACKER}\""
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exit 1
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fi
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# Finish message
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infoh "Finished kernel compilation successfully"
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infoe "You can now install your kernel and kernel headers."
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