diff options
Diffstat (limited to 'external/poky/meta/classes/kernel.bbclass')
| -rw-r--r-- | external/poky/meta/classes/kernel.bbclass | 61 |
1 files changed, 45 insertions, 16 deletions
diff --git a/external/poky/meta/classes/kernel.bbclass b/external/poky/meta/classes/kernel.bbclass index c72d1fe7..9e3c34ad 100644 --- a/external/poky/meta/classes/kernel.bbclass +++ b/external/poky/meta/classes/kernel.bbclass @@ -5,9 +5,11 @@ KERNEL_DEPLOYSUBDIR ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") PROVIDES += "${@ "virtual/kernel" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else "" }" DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native bc-native lzop-native bison-native" +DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.lz4", "lz4-native", "", d)}" PACKAGE_WRITE_DEPS += "depmodwrapper-cross" do_deploy[depends] += "depmodwrapper-cross:do_populate_sysroot" +do_clean[depends] += "make-mod-scripts:do_clean" CVE_PRODUCT ?= "linux_kernel" @@ -95,6 +97,9 @@ python __anonymous () { d.setVar('ALLOW_EMPTY_%s-image-%s' % (kname, typelower), '1') image = d.getVar('INITRAMFS_IMAGE') + # If the INTIRAMFS_IMAGE is set but the INITRAMFS_IMAGE_BUNDLE is set to 0, + # the do_bundle_initramfs does nothing, but the INITRAMFS_IMAGE is built + # standalone for use by wic and other tools. if image: d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete') @@ -130,7 +135,7 @@ inherit ${KERNEL_CLASSES} # the symlink. do_unpack[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}" do_clean[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}" -base_do_unpack_append () { +python do_symlink_kernsrc () { s = d.getVar("S") if s[-1] == '/': # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail @@ -147,6 +152,7 @@ base_do_unpack_append () { shutil.move(s, kernsrc) os.symlink(kernsrc, s) } +addtask symlink_kernsrc before do_configure after do_unpack inherit kernel-arch deploy @@ -205,7 +211,7 @@ copy_initramfs() { ;; *lz4) echo "lz4 decompressing image" - lz4 -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img + lz4 -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio break ;; *lzo) @@ -289,14 +295,10 @@ kernel_do_compile() { # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not # be set.... if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then - olddir=`pwd` - cd ${S} - SOURCE_DATE_EPOCH=`git log -1 --pretty=%ct` - # git repo not guaranteed, so fall back to REPRODUCIBLE_TIMESTAMP_ROOTFS - if [ $? -ne 0 ]; then - SOURCE_DATE_EPOCH=${REPRODUCIBLE_TIMESTAMP_ROOTFS} - fi - cd $olddir + # The source directory is not necessarily a git repository, so we + # specify the git-dir to ensure that git does not query a + # repository in any parent directory. + SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"` fi ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH` @@ -330,6 +332,21 @@ kernel_do_compile() { do_compile_kernelmodules() { unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE + if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then + # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not + # be set.... + if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then + # The source directory is not necessarily a git repository, so we + # specify the git-dir to ensure that git does not query a + # repository in any parent directory. + SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"` + fi + + ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH` + export KBUILD_BUILD_TIMESTAMP="$ts" + export KCONFIG_NOTIMESTAMP=1 + bbnote "KBUILD_BUILD_TIMESTAMP: $ts" + fi if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then cc_extra=$(get_cc_option) oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC} $cc_extra " LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} @@ -447,7 +464,7 @@ do_shared_workdir () { # Copy files required for module builds cp System.map $kerneldir/System.map-${KERNEL_VERSION} - cp Module.symvers $kerneldir/ + [ -e Module.symvers ] && cp Module.symvers $kerneldir/ cp .config $kerneldir/ mkdir -p $kerneldir/include/config cp include/config/kernel.release $kerneldir/include/config/kernel.release @@ -487,6 +504,15 @@ do_shared_workdir () { mkdir -p $kerneldir/arch/${ARCH}/include/generated/ cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/ fi + + if (grep -q -i -e '^CONFIG_UNWINDER_ORC=y$' $kerneldir/.config); then + # With CONFIG_UNWINDER_ORC (the default in 4.14), objtool is required for + # out-of-tree modules to be able to generate object files. + if [ -x tools/objtool/objtool ]; then + mkdir -p ${kerneldir}/tools/objtool + cp tools/objtool/objtool ${kerneldir}/tools/objtool/ + fi + fi } # We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware @@ -494,7 +520,7 @@ sysroot_stage_all () { : } -KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} CC="${KERNEL_CC}" O=${B} olddefconfig || oe_runmake -C ${S} O=${B} CC="${KERNEL_CC}" oldnoconfig" +KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} CC="${KERNEL_CC}" LD="${KERNEL_LD}" O=${B} olddefconfig || oe_runmake -C ${S} O=${B} CC="${KERNEL_CC}" LD="${KERNEL_LD}" oldnoconfig" python check_oldest_kernel() { oldest_kernel = d.getVar('OLDEST_KERNEL') @@ -547,7 +573,7 @@ EXPORT_FUNCTIONS do_compile do_install do_configure # kernel-image becomes kernel-image-${KERNEL_VERSION} PACKAGES = "${KERNEL_PACKAGE_NAME} ${KERNEL_PACKAGE_NAME}-base ${KERNEL_PACKAGE_NAME}-vmlinux ${KERNEL_PACKAGE_NAME}-image ${KERNEL_PACKAGE_NAME}-dev ${KERNEL_PACKAGE_NAME}-modules" FILES_${PN} = "" -FILES_${KERNEL_PACKAGE_NAME}-base = "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin" +FILES_${KERNEL_PACKAGE_NAME}-base = "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin.modinfo" FILES_${KERNEL_PACKAGE_NAME}-image = "" FILES_${KERNEL_PACKAGE_NAME}-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build" FILES_${KERNEL_PACKAGE_NAME}-vmlinux = "/boot/vmlinux-${KERNEL_VERSION_NAME}" @@ -556,9 +582,9 @@ RDEPENDS_${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base" # Allow machines to override this dependency if kernel image files are # not wanted in images as standard RDEPENDS_${KERNEL_PACKAGE_NAME}-base ?= "${KERNEL_PACKAGE_NAME}-image" -PKG_${KERNEL_PACKAGE_NAME}-image = "${KERNEL_PACKAGE_NAME}-image-${@legitimize_package_name('${KERNEL_VERSION}')}" +PKG_${KERNEL_PACKAGE_NAME}-image = "${KERNEL_PACKAGE_NAME}-image-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}" RDEPENDS_${KERNEL_PACKAGE_NAME}-image += "${@oe.utils.conditional('KERNEL_IMAGETYPE', 'vmlinux', '${KERNEL_PACKAGE_NAME}-vmlinux', '', d)}" -PKG_${KERNEL_PACKAGE_NAME}-base = "${KERNEL_PACKAGE_NAME}-${@legitimize_package_name('${KERNEL_VERSION}')}" +PKG_${KERNEL_PACKAGE_NAME}-base = "${KERNEL_PACKAGE_NAME}-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}" RPROVIDES_${KERNEL_PACKAGE_NAME}-base += "${KERNEL_PACKAGE_NAME}-${KERNEL_VERSION}" ALLOW_EMPTY_${KERNEL_PACKAGE_NAME} = "1" ALLOW_EMPTY_${KERNEL_PACKAGE_NAME}-base = "1" @@ -580,7 +606,7 @@ pkg_postinst_${KERNEL_PACKAGE_NAME}-base () { PACKAGESPLITFUNCS_prepend = "split_kernel_packages " python split_kernel_packages () { - do_split_packages(d, root='${nonarch_base_libdir}/firmware', file_regex='^(.*)\.(bin|fw|cis|csp|dsp)$', output_pattern='${KERNEL_PACKAGE_NAME}-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='') + do_split_packages(d, root='${nonarch_base_libdir}/firmware', file_regex=r'^(.*)\.(bin|fw|cis|csp|dsp)$', output_pattern='${KERNEL_PACKAGE_NAME}-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='') } # Many scripts want to look in arch/$arch/boot for the bootable @@ -599,6 +625,9 @@ do_kernel_link_images() { if [ -f ../../../vmlinuz.bin ]; then ln -sf ../../../vmlinuz.bin fi + if [ -f ../../../vmlinux.64 ]; then + ln -sf ../../../vmlinux.64 + fi } addtask kernel_link_images after do_compile before do_strip |