}
+prepare_lnx_sources() {
+
+ outdir=$1
+
+ if [ "$outdir" = "." ]; then
+ koutput=""
+ else
+ koutput="O=\"${outdir}\""
+ fi
+
+ # Generate kernel configuration
+ case "$kversion" in
+ Ubuntu*)
+ fakeroot debian/rules clean
+ fakeroot debian/rules genconfigs
+ cp CONFIGS/${ubuntu_config} "${outdir}"/.config
+ ;;
+ *)
+ make ${koutput} defconfig
+ ;;
+ esac
+
+ # GCC 4.8
+ sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" "${outdir}"/.config
+
+ # Don't try to sign modules
+ sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" "${outdir}"/.config
+
+ # Enable CONFIG_KALLSYMS_ALL
+ echo "CONFIG_KPROBES=y" >> "${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
+
+
+ make ${koutput} silentoldconfig
+ make ${koutput} modules_prepare
+
+ # Version specific tasks
+ case "$kversion" 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" >> ${outdir}/include/generated/utsrelease.h
+ ;;
+ esac
+
+ # On powerpc this object is required to link modules
+ if [ "${karch}" = "powerpc" ]; then
+ make ${koutput} arch/powerpc/lib/crtsavres.o
+ fi
+}
+
+
+
build_modules() {
kdir="$1"
fi
# We have to publish at least one file or the build will fail
- echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt"
+ echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt.ko"
set -e
+ KERNELDIR="${kdir}" make clean
+
else # Regular build
# Build modules against full kernel sources
LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr"
-# Set arch specific values
-case "$arch" in
- "x86-32")
- karch="x86"
- cross_compile=""
- ;;
-
- "x86-64")
- karch="x86"
- cross_compile=""
- ;;
-
- "armhf")
- karch="arm"
- cross_compile="arm-linux-gnueabihf-"
- ;;
+# Setup cross compile env if available
+if [ "x${cross_arch:-}" != "x" ]; then
+
+ case "$cross_arch" in
+ "armhf")
+ karch="arm"
+ cross_compile="arm-linux-gnueabihf-"
+ ubuntu_config="armhf-config.flavour.generic"
+ ;;
+
+ "arm64")
+ karch="arm64"
+ cross_compile="aarch64-linux-gnu-"
+ ubuntu_config="arm64-config.flavour.generic"
+ ;;
+
+ "powerpc")
+ karch="powerpc"
+ cross_compile="powerpc-linux-gnu-"
+ ubuntu_config="powerpc-config.flavour.powerpc-smp"
+ ;;
+
+ "ppc64el")
+ karch="powerpc"
+ cross_compile="powerpc64le-linux-gnu-"
+ ubuntu_config="ppc64el-config.flavour.generic"
+ ;;
+
+ *)
+ echo "Unsupported cross arch $arch"
+ exit 1
+ ;;
+ esac
- "arm64")
- karch="arm64"
- cross_compile="aarch64-linux-gnu-"
- ;;
+ # Export variables used by Kbuild for cross compilation
+ export ARCH="${karch}"
+ export CROSS_COMPILE="${cross_compile}"
- "powerpc")
- karch="powerpc"
- cross_compile="powerpc-linux-gnu-"
- ;;
- "ppc64el")
- karch="powerpc"
- cross_compile="powerpc64le-linux-gnu-"
- ;;
+# Set arch specific values if we are not cross compiling
+elif [ "x${arch:-}" != "x" ]; then
+ case "$arch" in
+ "x86-32")
+ karch="x86"
+ ubuntu_config="i386-config.flavour.generic"
+ ;;
+
+ "x86-64")
+ karch="x86"
+ ubuntu_config="amd64-config.flavour.generic"
+ ;;
+
+ "armhf")
+ karch="arm"
+ ubuntu_config="armhf-config.flavour.generic"
+ ;;
+
+ "arm64")
+ karch="arm64"
+ ubuntu_config="arm64-config.flavour.generic"
+ ;;
+
+ "powerpc")
+ karch="powerpc"
+ ubuntu_config="powerpc-config.flavour.powerpc-smp"
+ ;;
+
+ "ppc64el")
+ karch="powerpc"
+ ubuntu_config="ppc64el-config.flavour.generic"
+ ;;
+
+ *)
+ echo "Unsupported arch $arch"
+ exit 1
+ ;;
+ esac
+else
+ echo "Not arch or cross_arch specified"
+ exit 1
+fi
- *)
- 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}"
+mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILKSRCDDIR}" "${LTTBUILDKHDRDIR}"
+
## 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*)
- # 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 $ABINUM" >> include/generated/utsrelease.h
- ;;
-esac
+prepare_lnx_sources "."
# For RT kernels, copy version file
if [ -s localversion-rt ]; then
# On powerpc this object is required to link modules
if [ "${karch}" = "powerpc" ]; then
- make arch/powerpc/lib/crtsavres.o
cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
fi
cd "${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
+git clean -xdf
-# On powerpc this object is required to link modules
-if [ "${karch}" = "powerpc" ]; then
- make O="${LNXBUILDDIR}" arch/powerpc/lib/crtsavres.o
-fi
+prepare_lnx_sources "${LNXBUILDDIR}"
-# Version specific tasks
-case "$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" >> ${LNXBUILDDIR}/include/generated/utsrelease.h
- ;;
-esac
+## BUILD modules
# Build modules against full kernel sources
build_modules "${LNXBUILDDIR}" "${LTTBUILKSRCDDIR}"
build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}"
# Make sure modules were built
-find "${LNXBUILDDIR}" -name "*.ko"
-find "${LNXHDRDIR}" -name "*.ko"
+if [ "x$(find "${LTTBUILKSRCDDIR}" -name "*.ko" -printf yes -quit)" != "xyes" ]; then
+ echo "No modules built!"
+ exit 1
+fi
+
+if [ "x$(find "${LTTBUILDKHDRDIR}" -name "*.ko" -printf yes -quit)" != "xyes" ]; then
+ echo "No modules built!"
+ exit 1
+fi
# EOF