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Diffstat (limited to 'meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb')
-rw-r--r-- | meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb b/meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb new file mode 100644 index 0000000000..01f185adba --- /dev/null +++ b/meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb @@ -0,0 +1,166 @@ +SUMMARY = "Kernel selftest for Linux" +DESCRIPTION = "Kernel selftest for Linux" +LICENSE = "GPL-2.0-only" + +LIC_FILES_CHKSUM = "file://../COPYING;md5=bbea815ee2795b2f4230826c0c6b8814" + +DEPENDS = "rsync-native llvm-native" + +# for musl libc +SRC_URI:append:libc-musl = "\ + file://userfaultfd.patch \ + " +SRC_URI += "file://run-ptest \ + file://COPYING \ + " + +# now we just test bpf and vm +# we will append other kernel selftest in the future +# bpf was added in 4.10 with: https://github.com/torvalds/linux/commit/5aa5bd14c5f8660c64ceedf14a549781be47e53d +# if you have older kernel than that you need to remove it from PACKAGECONFIG +PACKAGECONFIG ??= "firmware" +# bpf needs working clang compiler anyway +PACKAGECONFIG:append:toolchain-clang:x86-64 = " bpf" +PACKAGECONFIG:remove:x86 = "bpf" +PACKAGECONFIG:remove:arm = "bpf vm" +# host ptrace.h is used to compile BPF target but mips ptrace.h is needed +# progs/loop1.c:21:9: error: incomplete definition of type 'struct user_pt_regs' +# m = PT_REGS_RC(ctx); +# vm tests need libhugetlbfs starting 5.8+ (https://lkml.org/lkml/2020/4/22/1654) +PACKAGECONFIG:remove:qemumips = "bpf vm" + +# riscv does not support libhugetlbfs yet +PACKAGECONFIG:remove:riscv64 = "bpf vm" +PACKAGECONFIG:remove:riscv32 = "bpf vm" + +PACKAGECONFIG[bpf] = ",,elfutils elfutils-native libcap libcap-ng rsync-native python3-docutils-native," +PACKAGECONFIG[firmware] = ",,libcap, bash" +PACKAGECONFIG[vm] = ",,libcap libhugetlbfs,libgcc bash" + +do_patch[depends] += "virtual/kernel:do_shared_workdir" +do_compile[depends] += "virtual/kernel:do_install" + +inherit linux-kernel-base module-base kernel-arch ptest siteinfo + +S = "${WORKDIR}/${BP}" + +DEBUG_PREFIX_MAP:remove = "-fcanon-prefix-map" + +TEST_LIST = "\ + ${@bb.utils.filter('PACKAGECONFIG', 'bpf firmware vm', d)} \ + rtc \ + ptp \ + timers \ +" +EXTRA_OEMAKE = '\ + CROSS_COMPILE=${TARGET_PREFIX} \ + ARCH=${ARCH} \ + CC="${CC}" \ + AR="${AR}" \ + LD="${LD}" \ + CLANG="clang -fno-stack-protector -target ${TARGET_ARCH} ${TOOLCHAIN_OPTIONS} -isystem ${S} -D__WORDSIZE=\'64\' -Wno-error=unused-command-line-argument" \ + DESTDIR="${D}" \ + V=1 \ +' +EXTRA_OEMAKE:append:toolchain-clang = "\ + LLVM=1 CONFIG_CC_IS_GCC= CONFIG_CC_IS_CLANG=y CONFIG_CC_IMPLICIT_FALLTHROUGH= \ + HOSTCC="clang -unwindlib=libgcc -rtlib=libgcc -stdlib=libstdc++ ${BUILD_CFLAGS} ${BUILD_LDFLAGS} -Wno-error=unused-command-line-argument" \ + HOSTLD="clang ${BUILD_LDFLAGS} -unwindlib=libgcc -rtlib=libgcc -stdlib=libstdc++" \ +" + +KERNEL_SELFTEST_SRC ?= "Makefile \ + include \ + kernel \ + lib \ + tools \ + scripts \ + arch \ + LICENSES \ +" +do_compile() { + if [ ${@bb.utils.contains('PACKAGECONFIG', 'bpf', 'True', 'False', d)} = 'True' ]; then + if [ ${@bb.utils.contains('DEPENDS', 'clang-native', 'True', 'False', d)} = 'False' ]; then + bbwarn "clang >= 6.0 with bpf support is needed with kernel 4.18+ so +either install it and add it to HOSTTOOLS, or add clang-native from meta-clang to dependency" + fi + fi + mkdir -p ${S}/include/config ${S}/bits + install -Dm 0644 ${STAGING_KERNEL_BUILDDIR}/.config ${S}/include/config/auto.conf + if [ "${SITEINFO_BITS}" != "32" ]; then + for f in long-double endianness floatn struct_rwlock; do + cp ${RECIPE_SYSROOT}${includedir}/bits/$f-64.h ${S}/bits/$f-32.h + done + fi + oe_runmake -C ${S} headers + sed -i -e 's|^all: docs|all:|' ${S}/tools/testing/selftests/bpf/Makefile + sed -i -e '/mrecord-mcount/d' ${S}/Makefile + sed -i -e '/Wno-alloc-size-larger-than/d' ${S}/Makefile + sed -i -e '/Wno-alloc-size-larger-than/d' ${S}/scripts/Makefile.* + for i in ${TEST_LIST} + do + oe_runmake -C ${S}/tools/testing/selftests/${i} + done +} + +do_install() { + for i in ${TEST_LIST} + do + oe_runmake -C ${S}/tools/testing/selftests/${i} INSTALL_PATH=${D}/usr/kernel-selftest/${i} install + # Install kselftest-list.txt that required by kselftest runner. + oe_runmake -s --no-print-directory COLLECTION=${i} -C ${S}/tools/testing/selftests/${i} emit_tests \ + >> ${D}/usr/kernel-selftest/kselftest-list.txt + done + # Install kselftest runner. + install -m 0755 ${S}/tools/testing/selftests/run_kselftest.sh ${D}/usr/kernel-selftest/ + cp -R --no-dereference --preserve=mode,links -v ${S}/tools/testing/selftests/kselftest ${D}/usr/kernel-selftest/ + if [ -e ${D}/usr/kernel-selftest/bpf/test_offload.py ]; then + sed -i -e '1s,#!.*python3,#! /usr/bin/env python3,' ${D}/usr/kernel-selftest/bpf/test_offload.py + fi + chown root:root -R ${D}/usr/kernel-selftest +} + +do_configure() { + install -D -m 0644 ${WORKDIR}/COPYING ${S}/COPYING +} + +do_patch[prefuncs] += "copy_kselftest_source_from_kernel remove_unrelated" +python copy_kselftest_source_from_kernel() { + sources = (d.getVar("KERNEL_SELFTEST_SRC") or "").split() + src_dir = d.getVar("STAGING_KERNEL_DIR") + dest_dir = d.getVar("S") + bb.utils.mkdirhier(dest_dir) + for s in sources: + src = oe.path.join(src_dir, s) + dest = oe.path.join(dest_dir, s) + if os.path.isdir(src): + oe.path.copytree(src, dest) + else: + bb.utils.copyfile(src, dest) +} + +remove_unrelated() { + if ${@bb.utils.contains('PACKAGECONFIG','bpf','true','false',d)} ; then + test -f ${S}/tools/testing/selftests/bpf/Makefile && \ + sed -i -e 's/test_pkt_access.*$/\\/' \ + -e 's/test_pkt_md_access.*$/\\/' \ + -e 's/sockmap_verdict_prog.*$/\\/' \ + ${S}/tools/testing/selftests/bpf/Makefile || \ + bberror "Your kernel is probably older than 4.10 and doesn't have tools/testing/selftests/bpf/Makefile file from https://github.com/torvalds/linux/commit/5aa5bd14c5f8660c64ceedf14a549781be47e53d, disable bpf PACKAGECONFIG" + fi +} + +PACKAGE_ARCH = "${MACHINE_ARCH}" + +INHIBIT_PACKAGE_DEBUG_SPLIT="1" +FILES:${PN} += "/usr/kernel-selftest" + +RDEPENDS:${PN} += "python3 perl perl-module-io-handle" + +INSANE_SKIP:${PN} += "libdir" + +SECURITY_CFLAGS = "" +COMPATIBLE_HOST:libc-musl = 'null' + +# It has native clang/llvm dependency, poky distro is reluctant to include them as deps +# this helps with world builds on AB +EXCLUDE_FROM_WORLD = "1" |