X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=scripts%2Flttng-modules%2Fparam-build.sh;h=b5c8b8f8b598a855a1fd56d342c333d06808ed92;hb=e18b6e9523bba780f2bced367f23b7e33cc02249;hp=cfc74f893f67ca980f9b2e333d10e38bbe56f7db;hpb=e6416ee0a37614c3ab10604ac0f6b97477d08df3;p=lttng-ci.git diff --git a/scripts/lttng-modules/param-build.sh b/scripts/lttng-modules/param-build.sh index cfc74f8..b5c8b8f 100644 --- a/scripts/lttng-modules/param-build.sh +++ b/scripts/lttng-modules/param-build.sh @@ -1,6 +1,6 @@ -#!/bin/sh -exu +#!/bin/bash # -# Copyright (C) 2016 - Michael Jeanson +# Copyright (C) 2016-2019 Michael Jeanson # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,97 +15,451 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see . +set -exu + +# Parameters +arch=${arch:-amd64} +cross_arch=${cross_arch:-} +ktag=${ktag:-} +kgitrepo=${kgitrepo:-} +mversion=${mversion:-} +mgitrepo=${mgitrepo:-} + + ## FUNCTIONS ## # Kernel version compare functions verlte() { - [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | head -n1`" ] + [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | head -n1)" ] } verlt() { - [ "$1" = "$2" ] && return 1 || verlte $1 $2 + # shellcheck disable=SC2015 + [ "$1" = "$2" ] && return 1 || verlte "$1" "$2" } vergte() { - [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | tail -n1`" ] + [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ] } vergt() { - [ "$1" = "$2" ] && return 1 || vergte $1 $2 + # shellcheck disable=SC2015 + [ "$1" = "$2" ] && return 1 || vergte "$1" "$2" } -prepare_lnx_sources() { +git_clone_modules_sources() { + mkdir -p "$MODULES_GIT_DIR" - outdir=$1 - - if [ "$outdir" = "." ]; then - koutput="" + # If the version starts with "refs/", checkout the specific git ref, otherwise treat it + # as a branch name. + if [ "${mversion:0:5}" = "refs/" ]; then + git clone --no-tags --depth=1 "${mgitrepo}" "$MODULES_GIT_DIR" + (cd "$MODULES_GIT_DIR" && git fetch origin "${mversion}" && git checkout FETCH_HEAD) else - koutput="O=\"${outdir}\"" + git clone --no-tags --depth=1 -b "${mversion}" "${mgitrepo}" "$MODULES_GIT_DIR" fi +} + +# Checkout a shallow kernel tree of the specified tag +git_clone_linux_sources() { + mkdir -p "$LINUX_GIT_DIR" + git clone --depth=1 -b "${ktag}" --reference "$LINUX_GIT_REF_REPO_DIR" "${kgitrepo}" "$LINUX_GIT_DIR" +} + + +# Export the kernel sources from the git repo +git_export_linux_sources() { + cd "$LINUX_GIT_DIR" + git archive "${ktag}" | tar -x -C "$LINUX_SRCOBJ_DIR" +} + + +# Upload the tar archive to the object store +upload_archive_obj() { + s3cmd -c "$WORKSPACE/.s3cfg" put "$WORKSPACE/$obj_name" "$obj_url_prefix/" + rm -f "$WORKSPACE/$obj_name" +} + + +extract_archive_obj() { + tar -xf "$WORKSPACE/$obj_name" -C "$LINUX_OBJ_DIR" + rm -f "$WORKSPACE/$obj_name" +} + + +tar_archive_obj() { + cd "$LINUX_OBJ_DIR" + tar -cf "$WORKSPACE/$obj_name" -I pbzip2 . + cd - +} + +list_gccs() { + local gccs + gccs=() + IFS=: read -r -a path_array <<< "$PATH" + while read -r gcc ; do + gccs+=("$gcc") + done < <(find "${path_array[@]}" -maxdepth 1 -regex '.*/gcc-[0-9\.]+$' -printf '%f\n' | sort -t- -k2 -V -r) + echo "${gccs[@]}" +} + +# Find the most recent GCC version supported by the kernel sources +select_compiler() { + local selected_cc + + cd "$LINUX_SRCOBJ_DIR" + + kversion=$(make -s kernelversion) + + set +e + + for cc in $(list_gccs) ; do + if "${CROSS_COMPILE:-}${cc}" -I include/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include/linux/compiler-gcc.h; then + selected_cc="$cc" + break + fi + done + + set -e + + if [ "x$selected_cc" = "x" ]; then + echo "Found no suitable compiler." + exit 1 + fi + + # Force gcc-4.8 for kernels before 3.18 + if { verlt "$kversion" "3.18"; }; then + selected_cc=gcc-4.8 + fi + + if [ "$selected_cc" != "gcc-4.8" ]; then + # Older kernel Makefiles do not expect the compiler to default to PIE + KAFLAGS="-fno-pie" + KCFLAGS="-fno-pie -no-pie -fno-stack-protector" + KCPPFLAGS="-fno-pie" + export KAFLAGS KCFLAGS KCPPFLAGS + fi + + export CC="${CROSS_COMPILE:-}${selected_cc}" + export HOSTCC="${selected_cc}" + + cd - +} + + +build_linux_kernel() { + cd "$LINUX_SRCOBJ_DIR" + + kversion=$(make -s kernelversion) # Generate kernel configuration - case "$kversion" in + case "$ktag" in Ubuntu*) - fakeroot debian/rules clean - fakeroot debian/rules genconfigs - cp CONFIGS/${ubuntu_config} "${outdir}"/.config + if [ "${cross_arch}" = "powerpc" ]; then + if vergte "${kversion}" "4.10"; then + echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it." + exit 0 + fi + fi + + # Disable riscv64 config generation, we don't have a toolchain on bionic + sed -i 's/riscv64 //' debian.master/etc/kernelconfig + + # Hack for kernel Ubuntu-hwe-5.8 + if [ ! -f "debian/compat" ]; then + echo "10" > "debian/compat" + fi + + fakeroot debian/rules clean KW_DEFCONFIG_DIR=. + fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. + cp CONFIGS/"${ubuntu_config}" .config ;; + *) - # Que sera sera - make ${koutput} allyesconfig CC=$CC + # Force 32bit build on i386, default is 64bit + if [ "$arch" = "i386" ]; then + export ARCH="i386" + fi + + # allyesconfig is mostly broken for kernels of the 2.6 series + if verlt "$kversion" "3.0"; then + vanilla_config="defconfig" + fi + + make "${vanilla_config}" ;; esac + # oldnoconfig was renamed in 4.19 + if vergte "$kversion" "4.19"; then + update_conf_target="olddefconfig" + else + update_conf_target="oldnoconfig" + fi + + # Fix 'defined(@array)' was removed from recent perl + if [ -f "kernel/timeconst.pl" ]; then + sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl + fi + + # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5 + if [ "$HOSTCC" != "gcc-4.8" ]; then + if [ -f "arch/x86/kvm/svm.c" ]; then + sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c + fi + + if [ -f "arch/x86/kvm/vmx.c" ]; then + sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c + fi + fi + + # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64 + # Convert them to 'cmpw' which was previously done silently + if verlt "$kversion" "4.9"; then + find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmp\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmpw\2/" + find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmpli\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmplwi\2/" + sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch/powerpc/boot/wrapper + fi + + # Fix a typo in v2.6.36.x + if [ -f "arch/x86/kernel/entry_64.S" ]; then + sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S + fi + + # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2 + if { vergte "$kversion" "2.6.36" && verlte "$kversion" "2.6.36.3"; }; then + sed -i 's/-m elf_x86_64/-m64/' arch/x86/vdso/Makefile + sed -i 's/-m elf_i386/-m32/' arch/x86/vdso/Makefile + fi + + # Fix kernel < 3.0 with gcc >= 4.7 + if verlt "$kversion" "3.0"; then + sed -i '/linux\/compiler.h/a #include \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h + sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h + sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h + echo "header-y += linkage.h" >> include/linux/Kbuild + fi + # GCC 4.8 - sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" "${outdir}"/.config + if [ "$HOSTCC" == "gcc-4.8" ]; then + scripts/config --disable CONFIG_CC_STACKPROTECTOR_STRONG + fi # Don't try to sign modules - sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" "${outdir}"/.config + scripts/config --disable CONFIG_MODULE_SIG # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails - sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION is not set/g" "${outdir}"/.config + scripts/config --disable CONFIG_STACK_VALIDATION + + # Cause problems with inline assembly on i386 + scripts/config --disable CONFIG_DEBUG_SECTION_MISMATCH + + # Don't build samples, they are broken on some kernel releases + scripts/config --disable CONFIG_SAMPLES + scripts/config --disable CONFIG_BUILD_DOCSRC + + # Disable kcov + scripts/config --disable CONFIG_KCOV - # Enable CONFIG_KALLSYMS_ALL - echo "CONFIG_KPROBES=y" >> "${outdir}"/.config - echo "CONFIG_FTRACE=y" >> "${outdir}"/.config - echo "CONFIG_BLK_DEV_IO_TRACE=y" >> "${outdir}"/.config - echo "CONFIG_TRACEPOINTS=y" >> "${outdir}"/.config - echo "CONFIG_KALLSYMS_ALL=y" >> "${outdir}"/.config + # Broken on some RT kernels + scripts/config --disable CONFIG_HYPERV + # Broken drivers + scripts/config --disable CONFIG_RAPIDIO_TSI721 + scripts/config --disable CONFIG_SGI_XP + scripts/config --disable CONFIG_MFD_WM8994 + scripts/config --disable CONFIG_DRM_RADEON + scripts/config --disable CONFIG_SND_SOC_WM5100 + + # IGBVF won't build with recent gcc on 2.6.38.x + if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then + scripts/config --disable CONFIG_IGBVF + fi + + # Don't fail the build on warnings + scripts/config --disable CONFIG_WERROR + + # Set required options + scripts/config --enable CONFIG_TRACEPOINTS + scripts/config --enable CONFIG_KALLSYMS + scripts/config --enable CONFIG_HIGH_RES_TIMERS + scripts/config --enable CONFIG_KPROBES + scripts/config --enable CONFIG_FTRACE + scripts/config --enable CONFIG_BLK_DEV_IO_TRACE + scripts/config --enable CONFIG_KALLSYMS_ALL + scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS + scripts/config --enable CONFIG_PERF_EVENTS + scripts/config --enable CONFIG_EVENT_TRACING + scripts/config --enable CONFIG_KRETPROBES + + # FIXME: disable objtool on vmlinux, it OOMs on allyesconfig + sed -i 's/objtool_link vmlinux.o//' scripts/link-vmlinux.sh || true + # Starting with v6.1-rc6 + sed -i 's/^objtool-enabled := .*/objtool-enabled := /' scripts/Makefile.vmlinux_o || true + + # Disable SORTTAB + sed -i 's/is_enabled CONFIG_BUILDTIME_TABLE_SORT/is_enabled CONFIG_NONEXISTANT/' scripts/link-vmlinux.sh || true + + # Debug + #cat .config + + make "$update_conf_target" CC="$CC" + make -j"$NPROC" CC="$CC" + + krelease=$(make -s kernelrelease CC="$CC") + + # Save the kernel and modules + mkdir -p "$LINUX_INSTOBJ_DIR/boot" + make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC" + make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC" + rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build" + ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" + ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" +} - make ${koutput} silentoldconfig CC=$CC - make ${koutput} modules_prepare CC=$CC + +extract_distro_headers() { + + # Enter linux source dir + cd "${LINUX_SRCOBJ_DIR}" + + + # For RT kernels, copy version file + if [ -s localversion-rt ]; then + cp -a localversion-rt "${LINUX_HDROBJ_DIR}" + fi + + # Copy all Makefile related stuff + find . -path './include/*' -prune \ + -o -path './scripts/*' -prune -o -type f \ + \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ + -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ + -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" + + # Copy base scripts and include dirs + cp -a scripts include "${LINUX_HDROBJ_DIR}" + + # Copy arch includes + (find arch -name include -type d -print0 | \ + xargs -0 -n1 -i: find : -type f) | \ + cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" + + # Copy arch scripts + (find arch -name scripts -type d -print0 | \ + xargs -0 -n1 -i: find : -type f) | \ + cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" + + # Cleanup scripts + rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o" + rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o" + + # On powerpc 32bits this object is required to link modules + if [ "${karch}" = "powerpc" ]; then + if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then + : + else + cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/" + fi + fi + + # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support + if [ "${karch}" = "arm64" ]; then + if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then + cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/" + fi + fi + + # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y + if [ -f tools/objtool/objtool ]; then + cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/" + fi + + if [ -f "arch/x86/kernel/macros.s" ]; then + cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/" + fi + + # Copy modules related stuff, if available + if [ -s Module.symvers ]; then + cp Module.symvers "${LINUX_HDROBJ_DIR}" + fi + + if [ -s System.map ]; then + cp System.map "${LINUX_HDROBJ_DIR}" + fi + + if [ -s Module.markers ]; then + cp Module.markers "${LINUX_HDROBJ_DIR}" + fi + + # Copy config file + cp .config "${LINUX_HDROBJ_DIR}" + + # Make sure the Makefile and version.h have a matching timestamp so that + # external modules can be built + if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then + touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" + elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then + touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h" + else + echo "Missing version.h" + exit 1 + fi + touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h" + + # Copy .config to include/config/auto.conf so "make prepare" is unnecessary. + if [ ! -f "${LINUX_HDROBJ_DIR}/include/config/auto.conf" ]; then + cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf" + fi + + # Finally clean the object files from the full source tree + make clean + + # And regen the modules support files + make modules_prepare CC="$CC" + + # On powerpc 32bits this object is required to link modules + if [ "${karch}" = "powerpc" ]; then + if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then + : + else + make arch/powerpc/lib/crtsavres.o CC="$CC" + fi + fi + + # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support + if [ "${karch}" = "arm64" ]; then + if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then + make arch/arm64/kernel/ftrace-mod.o CC="$CC" + fi + fi # Version specific tasks - case "$kversion" in + case "$ktag" in Ubuntu*) # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code - ABINUM=$(echo $kversion | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)') - echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> ${outdir}/include/generated/utsrelease.h + ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')" + echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h + echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h" ;; esac - - # On powerpc this object is required to link modules - if [ "${karch}" = "powerpc" ]; then - make ${koutput} arch/powerpc/lib/crtsavres.o CC=$CC - fi } - build_modules() { - kdir="$1" - bdir="$2" + local kdir="$1" + local outdir="$2" + local kversion + + kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion) - # Get kernel version from source tree - cd "${kdir}" - kversion=$(make kernelversion) + # Try to catch some compatibility problems by turning some + # warnings into errors. + #export KCFLAGS="$KCFLAGS -Wall -Werror" # Enter lttng-modules source dir - cd "${LTTSRCDIR}" + cd "${MODULES_GIT_DIR}" # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the # timekeeping subsystem. We want those build to fail. @@ -115,82 +469,97 @@ build_modules() { set +e # Build modules - KERNELDIR="${kdir}" make -j${NPROC} V=1 CC=$CC + KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" + ret=$? + + set -e # We expect this build to fail, if it doesn't, fail the job. - if [ "$?" -eq 0 ]; then + if [ "$ret" -eq 0 ]; then + echo "This build should have failed." exit 1 fi # We have to publish at least one file or the build will fail - echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt.ko" + echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko" - set -e - - KERNELDIR="${kdir}" make clean CC=$CC + KERNELDIR="${kdir}" make clean else # Regular build # Build modules against full kernel sources - KERNELDIR="${kdir}" make -j${NPROC} V=1 CC=$CC + KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" # Install modules to build dir - KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${bdir}" modules_install CC=$CC + KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install # Clean build dir - KERNELDIR="${kdir}" make clean CC=$CC + KERNELDIR="${kdir}" make clean fi } ## MAIN ## -# Use gcc 4.9, older kernel don't build with gcc 5 -export CC=gcc-4.9 - # Use all CPU cores NPROC=$(nproc) -LTTSRCDIR="${WORKSPACE}/src/lttng-modules" -LNXSRCDIR="${WORKSPACE}/src/linux" +MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules" +LINUX_GIT_DIR="${WORKSPACE}/src/linux" + +LINUX_OBJ_DIR="${WORKSPACE}/linux" +LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources" +LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers" +LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install" + +MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc" +MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr" -LNXBUILDDIR="${WORKSPACE}/build/linux" -LNXHDRDIR="${WORKSPACE}/build/linux-headers" +LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/" -LTTBUILDKSRCDIR="${WORKSPACE}/build/lttng-modules-ksrc" -LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr" +OBJ_STORE_URL="s3://jenkins" +cd "$WORKSPACE" + +# Create build directories +mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" + +git_clone_modules_sources # Setup cross compile env if available -if [ "x${cross_arch:-}" != "x" ]; then +if [ "x${cross_arch}" != "x" ]; then case "$cross_arch" in "armhf") karch="arm" cross_compile="arm-linux-gnueabihf-" + vanilla_config="imx_v6_v7_defconfig" ubuntu_config="armhf-config.flavour.generic" ;; "arm64") karch="arm64" cross_compile="aarch64-linux-gnu-" + vanilla_config="defconfig" ubuntu_config="arm64-config.flavour.generic" ;; "powerpc") karch="powerpc" cross_compile="powerpc-linux-gnu-" + vanilla_config="ppc44x_defconfig" ubuntu_config="powerpc-config.flavour.powerpc-smp" ;; "ppc64el") karch="powerpc" cross_compile="powerpc64le-linux-gnu-" + vanilla_config="pseries_le_defconfig" ubuntu_config="ppc64el-config.flavour.generic" ;; *) - echo "Unsupported cross arch $arch" + echo "Unsupported cross arch $cross_arch" exit 1 ;; esac @@ -199,37 +568,43 @@ if [ "x${cross_arch:-}" != "x" ]; then export ARCH="${karch}" export CROSS_COMPILE="${cross_compile}" - # Set arch specific values if we are not cross compiling -elif [ "x${arch:-}" != "x" ]; then +elif [ "x${arch}" != "x" ]; then + case "$arch" in - "x86-32") + "i386") karch="x86" + vanilla_config="allyesconfig" ubuntu_config="i386-config.flavour.generic" ;; - "x86-64") + "amd64") karch="x86" + vanilla_config="allyesconfig" ubuntu_config="amd64-config.flavour.generic" ;; "armhf") karch="arm" + vanilla_config="allyesconfig" ubuntu_config="armhf-config.flavour.generic" ;; "arm64") karch="arm64" + vanilla_config="allyesconfig" ubuntu_config="arm64-config.flavour.generic" ;; "powerpc") karch="powerpc" + vanilla_config="allyesconfig" ubuntu_config="powerpc-config.flavour.powerpc-smp" ;; "ppc64el") karch="powerpc" + vanilla_config="allyesconfig" ubuntu_config="ppc64el-config.flavour.generic" ;; @@ -239,121 +614,105 @@ elif [ "x${arch:-}" != "x" ]; then ;; esac else - echo "Not arch or cross_arch specified" + echo "No arch or cross_arch specified" exit 1 fi +# First get the kernel build from the object store, or build it, if it's +# not available. -# Create build directories -mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILDKSRCDIR}" "${LTTBUILDKHDRDIR}" - - - -## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL +echo "# Setup endpoint +host_base = obj.internal.efficios.com +host_bucket = obj.internal.efficios.com +bucket_location = us-east-1 +use_https = True -# Enter linux source dir -cd "${LNXSRCDIR}" +# Setup access keys +access_key = jenkins +secret_key = echo123456 -prepare_lnx_sources "." +# Enable S3 v4 signature APIs +signature_v2 = False" > "$WORKSPACE/.s3cfg" -# For RT kernels, copy version file -if [ -s localversion-rt ]; then - cp -a localversion-rt "${LNXHDRDIR}" -fi +url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')" +obj_name="linux.tar.bz2" -# Copy all Makefile related stuff -find . -path './include/*' -prune \ - -o -path './scripts/*' -prune -o -type f \ - \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ - -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ - -print | cpio -pd --preserve-modification-time "${LNXHDRDIR}" - -# Copy base scripts and include dirs -cp -a scripts include "${LNXHDRDIR}" - -# Copy arch includes -(find arch -name include -type d -print | \ - xargs -n1 -i: find : -type f) | \ - cpio -pd --preserve-modification-time "${LNXHDRDIR}" - -# Copy arch scripts -(find arch -name scripts -type d -print | \ - xargs -n1 -i: find : -type f) | \ - cpio -pd --preserve-modification-time "${LNXHDRDIR}" - -# Cleanup scripts -rm -f "${LNXHDRDIR}/scripts/*.o" -rm -f "${LNXHDRDIR}/scripts/*/*.o" - -# On powerpc this object is required to link modules -if [ "${karch}" = "powerpc" ]; then - cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/" +if [ "x${cross_arch}" = "x" ]; then + obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/native" +else + obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/${cross_arch}" fi -# Copy modules related stuff, if available -if [ -s Module.symvers ]; then - cp Module.symvers "${LNXHDRDIR}" -fi +obj_url="$obj_url_prefix/$obj_name" -if [ -s System.map ]; then - cp System.map "${LNXHDRDIR}" -fi +set +e +# In s3cmd 2.3, the return code of get when an object does not exist (64) +# is different than in 2.2 (12). The return codes of 's3cmd info' are +# consistent between 2.2 and 2.3. +s3cmd -c "$WORKSPACE/.s3cfg" info "$obj_url" +ret=$? +set -e -if [ -s Module.markers ]; then - cp Module.markers "${LNXHDRDIR}" -fi +case "$ret" in + "0") + s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url" + extract_archive_obj + ;; -# Copy config file -cp .config "${LNXHDRDIR}" + "12") + echo "File not found" -# Make sure the Makefile and version.h have a matching timestamp so that -# external modules can be built -if [ -s "${LNXHDRDIR}/include/generated/uapi/linux/version.h" ]; then - touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/generated/uapi/linux/version.h" -elif [ -s "${LNXHDRDIR}/include/linux/version.h" ]; then - touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/linux/version.h" -else - echo "Missing version.h" - exit 1 -fi -touch -r "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/generated/autoconf.h" + # Build all the things and upload + # then finish the module build... -# Copy .config to include/config/auto.conf so "make prepare" is unnecessary. -cp "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/config/auto.conf" + git_clone_linux_sources + git_export_linux_sources + select_compiler + ## PREPARE FULL LINUX SOURCE TREE + build_linux_kernel + ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL + extract_distro_headers -## PREPARE FULL LINUX SOURCE TREE + tar_archive_obj -# Enter linux source dir -cd "${LNXSRCDIR}" + upload_archive_obj -# Make sure linux source dir is clean -git clean -xdf + ;; -prepare_lnx_sources "${LNXBUILDDIR}" + *) + echo "Unknown error? Abort" + exit 1 + ;; +esac +select_compiler ## BUILD modules +# Either we downloaded a pre-build kernel or we built it and uploaded +# the archive for future builds. + +cd "$WORKSPACE" # Build modules against full kernel sources -build_modules "${LNXBUILDDIR}" "${LTTBUILDKSRCDIR}" +build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" # Build modules against kernel headers -build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}" +build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" -# Make sure modules were built -tree "${LTTBUILDKSRCDIR}" -if [ "x$(find "${LTTBUILDKSRCDIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then +# Make sure some modules were actually built +tree "${MODULES_OUTPUT_KSRC_DIR}" +if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then echo "No modules built!" exit 1 fi -tree "${LTTBUILDKHDRDIR}" -if [ "x$(find "${LTTBUILDKHDRDIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then +tree "${MODULES_OUTPUT_KHDR_DIR}" +if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then echo "No modules built!" exit 1 fi