# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+## FUNCTIONS ##
+
# Kernel version compare functions
verlte() {
[ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | head -n1`" ]
[ "$1" = "$2" ] && return 1 || vergte $1 $2
}
+
+build_modules() {
+
+ kdir="$1"
+ bdir="$2"
+
+ # Get kernel version from source tree
+ cd "${kdir}"
+ kversion=$(make kernelversion)
+
+ # Enter lttng-modules source dir
+ cd "${LTTSRCDIR}"
+
+ # 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.
+ if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \
+ { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then
+
+ set +e
+
+ # Build modules
+ KERNELDIR="${kdir}" make -j${NPROC} V=1
+
+ # We expect this build to fail, if it doesn't, fail the job.
+ if [ "$?" -eq 0 ]; then
+ exit 1
+ fi
+
+ # We have to publish at least one file or the build will fail
+ echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt"
+
+ set -e
+
+ else # Regular build
+
+ # Build modules against full kernel sources
+ KERNELDIR="${kdir}" make -j${NPROC} V=1
+
+ # Install modules to build dir
+ KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${bdir}" modules_install
+
+ # Clean build dir
+ KERNELDIR="${kdir}" make clean
+ fi
+}
+
+
+## MAIN ##
+
# Use all CPU cores
NPROC=$(nproc)
-SRCDIR="${WORKSPACE}/lttng-modules"
-BUILDDIR="${WORKSPACE}/build"
-LNXSRCDIR="${WORKSPACE}/linux"
-LNXBUILDDIR="${WORKSPACE}/linux-build"
+LTTSRCDIR="${WORKSPACE}/src/lttng-modules"
+LNXSRCDIR="${WORKSPACE}/src/linux"
-# Create build directory
-mkdir -p "${BUILDDIR}" "${LNXBUILDDIR}"
+LNXBUILDDIR="${WORKSPACE}/build/linux"
+LNXHDRDIR="${WORKSPACE}/build/linux-headers"
-# Enter linux source dir
-cd "${LNXSRCDIR}"
+LTTBUILKSRCDDIR="${WORKSPACE}/build/lttng-modules-ksrc"
+LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr"
-# Prepare linux sources for modules OOT build
-make O="${LNXBUILDDIR}" defconfig
-# Enable CONFIG_KALLSYMS_ALL
-sed -i "s/# CONFIG_KALLSYMS_ALL is not set/CONFIG_KALLSYMS_ALL=y/g" "${LNXBUILDDIR}"/.config
+# Set arch specific values
+case "$arch" in
+ "x86-32")
+ karch="x86"
+ cross_compile=""
+ ;;
-# Build to out of tree dir
-make O="${LNXBUILDDIR}" modules_prepare
+ "x86-64")
+ karch="x86"
+ cross_compile=""
+ ;;
+
+ "armhf")
+ karch="arm"
+ cross_compile="arm-linux-gnueabihf-"
+ ;;
+
+ "arm64")
+ karch="arm64"
+ cross_compile="aarch64-linux-gnu-"
+ ;;
+
+ "powerpc")
+ karch="powerpc"
+ cross_compile="powerpc-linux-gnu-"
+ ;;
+ "ppc64el")
+ karch="powerpc"
+ cross_compile="powerpc64le-linux-gnu-"
+ ;;
+
+ *)
+ echo "Unsupported arch $arch"
+ exit 1
+ ;;
+esac
+
+# Setup cross compile env if required
+if [ "${cross_build:-}" = "true" ]; then
+ export ARCH="${karch}"
+ export CROSS_COMPILE="${cross_compile}"
+fi
+
+
+# Create build directories
+mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}"
+
+
+## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL
+
+# Enter linux source dir
+cd "${LNXSRCDIR}"
+
+# Prepare linux sources for headers install
+make allyesconfig
+sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" .config
+make silentoldconfig
+make modules_prepare
+
+# Version specific tasks
case "$kversion" in
Ubuntu*)
- #fakeroot debian/rules clean
- #fakeroot debian/rules genconfigs
- #cp CONFIGS/amd64-config.flavour.generic .config
-
# 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" >> ${LNXBUILDDIR}/include/generated/utsrelease.h
+ echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h
;;
esac
-# Get kernel version from source tree
-cd "${LNXBUILDDIR}"
-KVERSION=$(make kernelversion)
+# For RT kernels, copy version file
+if [ -s localversion-rt ]; then
+ cp -a localversion-rt "${LNXHDRDIR}"
+fi
-# Enter source dir
-cd "${SRCDIR}"
+# 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 "${LNXHDRDIR}"
-# kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
-# timekeeping subsystem. We want those build to fail.
-if { vergte "$KVERSION" "3.10" && verlte "$KVERSION" "3.10.13"; } || \
- { vergte "$KVERSION" "3.11" && verlte "$KVERSION" "3.11.2"; }; then
+# Copy base scripts and include dirs
+cp -a scripts include "${LNXHDRDIR}"
- set +e
+# Copy arch includes
+(find arch -name include -type d -print | \
+ xargs -n1 -i: find : -type f) | \
+ cpio -pd --preserve-modification-time "${LNXHDRDIR}"
- # Build modules
- KERNELDIR="${LNXBUILDDIR}" make -j${NPROC} V=1
+# Copy arch scripts
+(find arch -name scripts -type d -print | \
+ xargs -n1 -i: find : -type f) | \
+ cpio -pd --preserve-modification-time "${LNXHDRDIR}"
- # We expect this build to fail, if it doesn't, fail the job.
- if [ "$?" -eq 0 ]; then
- exit 1
- fi
+# Cleanup scripts
+rm -f "${LNXHDRDIR}/scripts/*.o"
+rm -f "${LNXHDRDIR}/scripts/*/*.o"
- # We have to publish at least one file or the build will fail
- echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${BUILDDIR}/BROKEN.txt"
+# On powerpc this object is required to link modules
+if [ "${karch}" = "powerpc" ]; then
+ make arch/powerpc/lib/crtsavres.o
+ cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
+fi
- set -e
+# Copy modules related stuff, if available
+if [ -s Module.symvers ]; then
+ cp Module.symvers "${LNXHDRDIR}"
+fi
-else # Regular build
+if [ -s System.map ]; then
+ cp System.map "${LNXHDRDIR}"
+fi
- # Build modules
- KERNELDIR="${LNXBUILDDIR}" make -j${NPROC} V=1
+if [ -s Module.markers ]; then
+ cp Module.markers "${LNXHDRDIR}"
+fi
- # Install modules to build dir
- KERNELDIR="${LNXBUILDDIR}" make INSTALL_MOD_PATH="${BUILDDIR}" modules_install
+# Copy config file
+cp .config "${LNXHDRDIR}"
+
+# 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"
+
+# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
+cp "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/config/auto.conf"
+
+
+
+
+## PREPARE FULL LINUX SOURCE TREE
+
+# Enter linux source dir
+cd "${LNXSRCDIR}"
+
+# Make sure linux source dir is clean
+make mrproper
+
+# Prepare linux sources for modules OOT build
+make O="${LNXBUILDDIR}" allyesconfig
+sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" "${LNXBUILDDIR}"/.config
+make O="${LNXBUILDDIR}" silentoldconfig
+make O="${LNXBUILDDIR}" modules_prepare
+
+# On powerpc this object is required to link modules
+if [ "${karch}" = "powerpc" ]; then
+ make O="${LNXBUILDDIR}" arch/powerpc/lib/crtsavres.o
+fi
+
+# Version specific tasks
+case "$kversion" in
+ Ubuntu*)
+ #fakeroot debian/rules clean
+ #fakeroot debian/rules genconfigs
+ #cp CONFIGS/amd64-config.flavour.generic .config
+
+ # 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" >> ${LNXBUILDDIR}/include/generated/utsrelease.h
+ ;;
+esac
+
+# Build modules against full kernel sources
+build_modules "${LNXBUILDDIR}" "${LTTBUILKSRCDDIR}"
+
+# Build modules against kernel headers
+build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}"
+
+# Make sure modules were built
+find "${LNXBUILDDIR}" -name "*.ko"
+find "${LNXHDRDIR}" -name "*.ko"
# EOF
projects / lttng-ci.git / blobdiff