}
+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
+ ;;
+ *)
+ # Que sera sera
+ make ${koutput} allyesconfig
+ ;;
+ esac
+
+ # GCC 4.8
+ sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" "${outdir}"/.config
+
+ # Don't try to sign modules
+ sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" "${outdir}"/.config
+
+ # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
+ sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION is not set/g" "${outdir}"/.config
+
+ # 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
LNXBUILDDIR="${WORKSPACE}/build/linux"
LNXHDRDIR="${WORKSPACE}/build/linux-headers"
-LTTBUILKSRCDDIR="${WORKSPACE}/build/lttng-modules-ksrc"
+LTTBUILDKSRCDIR="${WORKSPACE}/build/lttng-modules-ksrc"
LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr"
-# Set arch specific values
-case "$arch" in
- "x86-32")
- karch="x86"
- ;;
-
- "x86-64")
- karch="x86"
- ;;
-
- "armhf")
- karch="arm"
- ;;
-
- "arm64")
- karch="arm64"
- ;;
-
- "powerpc")
- karch="powerpc"
- ;;
+# 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 $arch"
+ exit 1
+ ;;
+ esac
+
+ # Export variables used by Kbuild for cross compilation
+ export ARCH="${karch}"
+ export CROSS_COMPILE="${cross_compile}"
+
+
+# Set arch specific values if we are not cross compiling
+elif [ "x${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
- "ppc64|ppc64el")
- karch="powerpc"
- ;;
- *)
- echo "Unsupported arch $arch"
- exit 1
- ;;
-esac
# Create build directories
-mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}"
+mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILDKSRCDIR}" "${LTTBUILDKHDRDIR}"
+
## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL
# Enter linux source dir
cd "${LNXSRCDIR}"
-# Prepare linux sources for headers install
-make defconfig
+prepare_lnx_sources "."
+
+# For RT kernels, copy version file
+if [ -s localversion-rt ]; then
+ cp -a localversion-rt "${LNXHDRDIR}"
+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 "${LNXHDRDIR}"
+
+# Copy base scripts and include dirs
+cp -a scripts include "${LNXHDRDIR}"
+
+# Copy arch includes
+(find arch -name include -type d -print | \
+ xargs -n1 -i: find : -type f) | \
+ cpio -pd --preserve-modification-time "${LNXHDRDIR}"
-# Enable CONFIG_KALLSYMS_ALL
-sed -i "s/# CONFIG_KALLSYMS_ALL is not set/CONFIG_KALLSYMS_ALL=y/g" .config
+# Copy arch scripts
+(find arch -name scripts -type d -print | \
+ xargs -n1 -i: find : -type f) | \
+ cpio -pd --preserve-modification-time "${LNXHDRDIR}"
-make modules_prepare
+# Cleanup scripts
+rm -f "${LNXHDRDIR}/scripts/*.o"
+rm -f "${LNXHDRDIR}/scripts/*/*.o"
-# first copy everything
-cp --parents `find -type f -name "Makefile*" -o -name "Kconfig*"` "${LNXHDRDIR}"
+# On powerpc this object is required to link modules
+if [ "${karch}" = "powerpc" ]; then
+ cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
+fi
+# Copy modules related stuff, if available
if [ -s Module.symvers ]; then
cp Module.symvers "${LNXHDRDIR}"
fi
cp Module.markers "${LNXHDRDIR}"
fi
-# then drop all but the needed Makefiles/Kconfig files
-rm -rf "${LNXHDRDIR}/Documentation"
-rm -rf "${LNXHDRDIR}/scripts"
-rm -rf "${LNXHDRDIR}/include"
-
+# Copy config file
cp .config "${LNXHDRDIR}"
-cp -a scripts "${LNXHDRDIR}"
-
-if [ -d arch/${karch}/scripts ]; then
- cp -a arch/${karch}/scripts "${LNXHDRDIR}/arch/${karch}/" || :
-fi
-
-if [ -f arch/${karch}/*lds ]; then
- cp -a arch/${karch}/*lds "${LNXHDRDIR}/arch/${karch}/" || :
-fi
-
-rm -f "${LNXHDRDIR}/scripts/*.o"
-rm -f "${LNXHDRDIR}/scripts/*/*.o"
-
-if [ "${karch}" = "powerpc" ]; then
- cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
-fi
-
-if [ -d arch/${karch}/include ]; then
- cp -a --parents arch/${karch}/include "${LNXHDRDIR}/"
-fi
-
-cp -a include "${LNXHDRDIR}/include"
# Make sure the Makefile and version.h have a matching timestamp so that
# external modules can be built
cd "${LNXSRCDIR}"
# Make sure linux source dir is clean
-make mrproper
-
-# Prepare linux sources for modules OOT build
-make O="${LNXBUILDDIR}" defconfig
-
-# Enable CONFIG_KALLSYMS_ALL
-sed -i "s/# CONFIG_KALLSYMS_ALL is not set/CONFIG_KALLSYMS_ALL=y/g" "${LNXBUILDDIR}"/.config
+git clean -xdf
-# Prepare out of tree dir for modules build
-make O="${LNXBUILDDIR}" modules_prepare
+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}" "${LTTBUILKSRCDDIR}"
+build_modules "${LNXBUILDDIR}" "${LTTBUILDKSRCDIR}"
# Build modules against kernel headers
build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}"
+# Make sure modules were built
+tree "${LTTBUILDKSRCDIR}"
+if [ "x$(find "${LTTBUILDKSRCDIR}" -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
+ echo "No modules built!"
+ exit 1
+fi
+
# EOF
projects / lttng-ci.git / blobdiff