-#!/bin/sh -exu
+#!/bin/bash
#
-# Copyright (C) 2016 - Michael Jeanson <mjeanson@efficios.com>
+# Copyright (C) 2016-2019 Michael Jeanson <mjeanson@efficios.com>
#
# 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
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+set -exu
+
+# Parameters
+arch=${arch:-amd64}
+cross_arch=${cross_arch:-}
+ktag=${ktag:-}
+kgitrepo=${kgitrepo:-}
+mversion=${mversion:-}
+mgitrepo=${mgitrepo:-}
+
+
## FUNCTIONS ##
# Kernel version compare functions
}
verlt() {
+ # shellcheck disable=SC2015
[ "$1" = "$2" ] && return 1 || verlte "$1" "$2"
}
}
vergt() {
+ # 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 "$ktag" in
Ubuntu*)
- fakeroot debian/rules clean
- fakeroot debian/rules genconfigs
- cp CONFIGS/"${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 "${vanilla_config}" CC="$CC" ${koutput}
+ # Force 32bit build on i386, default is 64bit
+ if [ "$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 "$kversion" "3.0"; then
+ sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h
+ sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h
+ sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h
+ echo "header-y += linkage.h" >> include/linux/Kbuild
+ fi
+
# GCC 4.8
- sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" "${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" "${outdir}"/.config
+ scripts/config --disable CONFIG_STACK_VALIDATION
- # Set required options
- {
- echo "CONFIG_KPROBES=y";
- echo "CONFIG_FTRACE=y";
- echo "CONFIG_BLK_DEV_IO_TRACE=y";
- echo "CONFIG_TRACEPOINTS=y";
- echo "CONFIG_KALLSYMS_ALL=y";
- } >> "${outdir}"/.config
+ # 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
- make "$oldconf_target" CC="$CC" ${koutput}
- make modules_prepare CC="$CC" ${koutput}
+ # Disable kcov
+ scripts/config --disable CONFIG_KCOV
+
+ # Broken on some RT kernels
+ scripts/config --disable CONFIG_HYPERV
+
+ # Broken drivers
+ scripts/config --disable CONFIG_RAPIDIO_TSI721
+ scripts/config --disable CONFIG_SGI_XP
+ scripts/config --disable CONFIG_MFD_WM8994
+ scripts/config --disable CONFIG_DRM_RADEON
+ scripts/config --disable CONFIG_SND_SOC_WM5100
+
+ # IGBVF won't build with recent gcc on 2.6.38.x
+ if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then
+ scripts/config --disable CONFIG_IGBVF
+ fi
+
+ # Don't fail the build on warnings
+ scripts/config --disable CONFIG_WERROR
+
+ # Set required options
+ scripts/config --enable CONFIG_TRACEPOINTS
+ scripts/config --enable CONFIG_KALLSYMS
+ scripts/config --enable CONFIG_HIGH_RES_TIMERS
+ scripts/config --enable CONFIG_KPROBES
+ scripts/config --enable CONFIG_FTRACE
+ scripts/config --enable CONFIG_BLK_DEV_IO_TRACE
+ scripts/config --enable CONFIG_KALLSYMS_ALL
+ scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS
+ scripts/config --enable CONFIG_PERF_EVENTS
+ scripts/config --enable CONFIG_EVENT_TRACING
+ scripts/config --enable CONFIG_KRETPROBES
+
+ # FIXME: disable objtool on vmlinux, it OOMs on allyesconfig
+ sed -i 's/objtool_link vmlinux.o//' scripts/link-vmlinux.sh || true
+ # Starting with v6.1-rc6
+ sed -i 's/^objtool-enabled := .*/objtool-enabled := /' scripts/Makefile.vmlinux_o || true
+
+ # Disable SORTTAB
+ sed -i 's/is_enabled CONFIG_BUILDTIME_TABLE_SORT/is_enabled CONFIG_NONEXISTANT/' scripts/link-vmlinux.sh || true
# Debug
- #cat "${outdir}"/.config
+ #cat .config
+
+ make "$update_conf_target" CC="$CC"
+ make -j"$NPROC" CC="$CC"
+
+ krelease=$(make -s kernelrelease CC="$CC")
- # On powerpc this object is required to link modules
+ # 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"
+}
+
+
+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 [ "${karch}" = "powerpc" ]; then
- make arch/powerpc/lib/crtsavres.o CC="$CC" ${koutput}
+ if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then
+ :
+ else
+ make arch/powerpc/lib/crtsavres.o CC="$CC"
+ fi
fi
- # On arm64 this object is required to build with ftrace support
+ # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support
if [ "${karch}" = "arm64" ]; then
- if vergte "$KVERSION" "4.13-rc1"; then
- make arch/arm64/kernel/ftrace-mod.o CC="$CC" ${koutput}
+ if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
+ make arch/arm64/kernel/ftrace-mod.o CC="$CC"
fi
fi
Ubuntu*)
# Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')"
- echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${outdir}"/include/generated/utsrelease.h
+ 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
}
-
build_modules() {
- kdir="$1"
- bdir="$2"
+ local kdir="$1"
+ local outdir="$2"
+ local kversion
+
+ kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion)
+
+ # Try to catch some compatibility problems by turning some
+ # warnings into errors.
+ #export KCFLAGS="$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.
- if { vergte "$KVERSION" "3.10" && verlte "$KVERSION" "3.10.13"; } || \
- { vergte "$KVERSION" "3.11" && verlte "$KVERSION" "3.11.2"; }; then
+ 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 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="${kdir}" make clean
else # Regular build
KERNELDIR="${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
}
# 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="${LINUX_OBJ_DIR}/install"
-LNXBUILDDIR="${WORKSPACE}/build/linux"
-LNXHDRDIR="${WORKSPACE}/build/linux-headers"
+MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc"
+MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr"
-LTTBUILDKSRCDIR="${WORKSPACE}/build/lttng-modules-ksrc"
-LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr"
+LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/"
+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 "$cross_arch" in
"armhf")
karch="arm"
cross_compile="arm-linux-gnueabihf-"
- vanilla_config="allyesconfig"
+ vanilla_config="imx_v6_v7_defconfig"
ubuntu_config="armhf-config.flavour.generic"
;;
"arm64")
karch="arm64"
cross_compile="aarch64-linux-gnu-"
- vanilla_config="allyesconfig"
+ vanilla_config="defconfig"
ubuntu_config="arm64-config.flavour.generic"
;;
;;
esac
- # Use gcc 4.9, older kernel don't build with gcc 5
- CC="${cross_compile}gcc-4.9"
-
# Export variables used by Kbuild for cross compilation
export ARCH="${karch}"
export CROSS_COMPILE="${cross_compile}"
- oldconf_target="olddefconfig"
-
# Set arch specific values if we are not cross compiling
-elif [ "x${arch:-}" != "x" ]; then
+elif [ "x${arch}" != "x" ]; then
case "$arch" in
- "x86-32")
+ "i386")
karch="x86"
vanilla_config="allyesconfig"
ubuntu_config="i386-config.flavour.generic"
;;
- "x86-64")
+ "amd64")
karch="x86"
vanilla_config="allyesconfig"
ubuntu_config="amd64-config.flavour.generic"
exit 1
;;
esac
-
- # Use gcc 4.9, older kernel don't build with gcc 5
- CC=gcc-4.9
-
- oldconf_target="silentoldconfig"
-
else
- echo "Not arch or cross_arch specified"
+ echo "No arch or cross_arch specified"
exit 1
fi
+# First get the kernel build from the object store, or build it, if it's
+# not available.
-# Create build directories
-mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILDKSRCDIR}" "${LTTBUILDKHDRDIR}"
-
-
-
-## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL
-
-# Enter linux source dir
-cd "${LNXSRCDIR}"
+echo "# Setup endpoint
+host_base = obj.internal.efficios.com
+host_bucket = obj.internal.efficios.com
+bucket_location = us-east-1
+use_https = True
-# Get kernel version from source tree
-KVERSION=$(make kernelversion)
+# Setup access keys
+access_key = jenkins
+secret_key = echo123456
-prepare_lnx_sources "."
+# Enable S3 v4 signature APIs
+signature_v2 = False" > "$WORKSPACE/.s3cfg"
-# For RT kernels, copy version file
-if [ -s localversion-rt ]; then
- cp -a localversion-rt "${LNXHDRDIR}"
-fi
-
-# 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 -print0 | \
- xargs -0 -n1 -i: find : -type f) | \
- cpio -pd --preserve-modification-time "${LNXHDRDIR}"
-
-# Copy arch scripts
-(find arch -name scripts -type d -print0 | \
- xargs -0 -n1 -i: find : -type f) | \
- cpio -pd --preserve-modification-time "${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}/"
-fi
+url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')"
+obj_name="linux.tar.bz2"
-# On arm64 this object is required to build with ftrace support
-if [ "${karch}" = "arm64" ]; then
- if vergte "$KVERSION" "4.13-rc1"; then
- cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LNXHDRDIR}/"
- fi
+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
projects / lttng-ci.git / blobdiff