diff options
Diffstat (limited to 'meta/classes/kernel-yocto.bbclass')
| -rw-r--r-- | meta/classes/kernel-yocto.bbclass | 311 |
1 files changed, 154 insertions, 157 deletions
diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass index 1e226a5722..50226f6d49 100644 --- a/meta/classes/kernel-yocto.bbclass +++ b/meta/classes/kernel-yocto.bbclass @@ -1,5 +1,7 @@ # remove tasks that modify the source tree in case externalsrc is inherited -SRCTREECOVEREDTASKS += "do_kernel_link_vmlinux do_kernel_configme do_validate_branches do_kernel_configcheck do_kernel_checkout do_shared_workdir do_fetch do_unpack do_patch" +SRCTREECOVEREDTASKS += "do_kernel_configme do_validate_branches do_kernel_configcheck do_kernel_checkout do_fetch do_unpack do_patch" +PATCH_GIT_USER_EMAIL ?= "kernel-yocto@oe" +PATCH_GIT_USER_NAME ?= "OpenEmbedded" # returns local (absolute) path names for all valid patches in the # src_uri @@ -33,6 +35,7 @@ def find_kernel_feature_dirs(d): for url in fetch.urls: urldata = fetch.ud[url] parm = urldata.parm + type="" if "type" in parm: type = parm["type"] if "destsuffix" in parm: @@ -51,11 +54,14 @@ def get_machine_branch(d, default): parm = urldata.parm if "branch" in parm: branches = urldata.parm.get("branch").split(',') - return branches[0] + btype = urldata.parm.get("type") + if btype != "kmeta": + return branches[0] return default do_kernel_metadata() { + set +e cd ${S} export KMETA=${KMETA} @@ -75,102 +81,141 @@ do_kernel_metadata() { machine_srcrev="${SRCREV}" fi - # if we have a defined/set meta branch we should not be generating - # any meta data. The passed branch has what we need. - if [ -n "${KMETA}" ]; then - createme_flags="--disable-meta-gen --meta ${KMETA}" - fi - - createme -v -v ${createme_flags} ${ARCH} ${machine_branch} - if [ $? -ne 0 ]; then - bbfatal "Could not create ${machine_branch}" + # In a similar manner to the kernel itself: + # + # defconfig: $(obj)/conf + # ifeq ($(KBUILD_DEFCONFIG),) + # $< --defconfig $(Kconfig) + # else + # @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" + # $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) + # endif + # + # If a defconfig is specified via the KBUILD_DEFCONFIG variable, we copy it + # from the source tree, into a common location and normalized "defconfig" name, + # where the rest of the process will include and incoroporate it into the build + # + # If the fetcher has already placed a defconfig in WORKDIR (from the SRC_URI), + # we don't overwrite it, but instead warn the user that SRC_URI defconfigs take + # precendence. + # + if [ -n "${KBUILD_DEFCONFIG}" ]; then + if [ -f "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" ]; then + if [ -f "${WORKDIR}/defconfig" ]; then + # If the two defconfig's are different, warn that we didn't overwrite the + # one already placed in WORKDIR by the fetcher. + cmp "${WORKDIR}/defconfig" "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" + if [ $? -ne 0 ]; then + bbwarn "defconfig detected in WORKDIR. ${KBUILD_DEFCONFIG} skipped" + fi + else + cp -f ${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG} ${WORKDIR}/defconfig + sccs="${WORKDIR}/defconfig" + fi + else + bbfatal "A KBUILD_DECONFIG '${KBUILD_DEFCONFIG}' was specified, but not present in the source tree" + fi fi - sccs="${@" ".join(find_sccs(d))}" + sccs="$sccs ${@" ".join(find_sccs(d))}" patches="${@" ".join(find_patches(d))}" feat_dirs="${@" ".join(find_kernel_feature_dirs(d))}" - set +e - # add any explicitly referenced features onto the end of the feature - # list that is passed to the kernel build scripts. - if [ -n "${KERNEL_FEATURES}" ]; then - for feat in ${KERNEL_FEATURES}; do - addon_features="$addon_features --feature $feat" - done - fi - # check for feature directories/repos/branches that were part of the # SRC_URI. If they were supplied, we convert them into include directives # for the update part of the process - if [ -n "${feat_dirs}" ]; then - for f in ${feat_dirs}; do + for f in ${feat_dirs}; do if [ -d "${WORKDIR}/$f/meta" ]; then - includes="$includes -I${WORKDIR}/$f/meta" - elif [ -d "${WORKDIR}/$f" ]; then - includes="$includes -I${WORKDIR}/$f" + includes="$includes -I${WORKDIR}/$f/kernel-meta" + elif [ -d "${WORKDIR}/$f" ]; then + includes="$includes -I${WORKDIR}/$f" + fi + done + for s in ${sccs} ${patches}; do + sdir=$(dirname $s) + includes="$includes -I${sdir}" + # if a SRC_URI passed patch or .scc has a subdir of "kernel-meta", + # then we add it to the search path + if [ -d "${sdir}/kernel-meta" ]; then + includes="$includes -I${sdir}/kernel-meta" + fi + done + + # expand kernel features into their full path equivalents + bsp_definition=$(spp ${includes} --find -DKMACHINE=${KMACHINE} -DKTYPE=${LINUX_KERNEL_TYPE}) + meta_dir=$(kgit --meta) + + # run1: pull all the configuration fragments, no matter where they come from + elements="`echo -n ${bsp_definition} ${sccs} ${patches} ${KERNEL_FEATURES}`" + if [ -n "${elements}" ]; then + echo "${bsp_definition}" > ${S}/${meta_dir}/bsp_definition + scc --force -o ${S}/${meta_dir}:cfg,merge,meta ${includes} ${bsp_definition} ${sccs} ${patches} ${KERNEL_FEATURES} + if [ $? -ne 0 ]; then + bbfatal_log "Could not generate configuration queue for ${KMACHINE}." fi - done fi - # updates or generates the target description - updateme ${updateme_flags} -DKDESC=${KMACHINE}:${LINUX_KERNEL_TYPE} \ - ${includes} ${addon_features} ${ARCH} ${KMACHINE} ${sccs} ${patches} - if [ $? -ne 0 ]; then - bbfatal "Could not update ${machine_branch}" + # run2: only generate patches for elements that have been passed on the SRC_URI + elements="`echo -n ${sccs} ${patches} ${KERNEL_FEATURES}`" + if [ -n "${elements}" ]; then + scc --force -o ${S}/${meta_dir}:patch --cmds patch ${includes} ${sccs} ${patches} ${KERNEL_FEATURES} + if [ $? -ne 0 ]; then + bbfatal_log "Could not generate configuration queue for ${KMACHINE}." + fi fi } do_patch() { + set +e cd ${S} - # executes and modifies the source tree as required - patchme ${KMACHINE} - if [ $? -ne 0 ]; then - bberror "Could not apply patches for ${KMACHINE}." - bbfatal "Patch failures can be resolved in the devshell (bitbake -c devshell ${PN})" + check_git_config + meta_dir=$(kgit --meta) + (cd ${meta_dir}; ln -sf patch.queue series) + if [ -f "${meta_dir}/series" ]; then + kgit-s2q --gen -v --patches .kernel-meta/ + if [ $? -ne 0 ]; then + bberror "Could not apply patches for ${KMACHINE}." + bbfatal_log "Patch failures can be resolved in the linux source directory ${S})" + fi fi - # check to see if the specified SRCREV is reachable from the final branch. - # if it wasn't something wrong has happened, and we should error. - if [ "${machine_srcrev}" != "AUTOINC" ]; then - if ! [ "$(git rev-parse --verify ${machine_srcrev}~0)" = "$(git merge-base ${machine_srcrev} HEAD)" ]; then - bberror "SRCREV ${machine_srcrev} was specified, but is not reachable" - bbfatal "Check the BSP description for incorrect branch selection, or other errors." - fi + if [ -f "${meta_dir}/merge.queue" ]; then + # we need to merge all these branches + for b in $(cat ${meta_dir}/merge.queue); do + git show-ref --verify --quiet refs/heads/${b} + if [ $? -eq 0 ]; then + bbnote "Merging branch ${b}" + git merge -q --no-ff -m "Merge branch ${b}" ${b} + else + bbfatal "branch ${b} does not exist, cannot merge" + fi + done fi } do_kernel_checkout() { set +e - # A linux yocto SRC_URI should use the bareclone option. That - # ensures that all the branches are available in the WORKDIR version - # of the repository. source_dir=`echo ${S} | sed 's%/$%%'` source_workdir="${WORKDIR}/git" - if [ -d "${WORKDIR}/git/" ] && [ -d "${WORKDIR}/git/.git" ]; then - # case2: the repository is a non-bare clone - + if [ -d "${WORKDIR}/git/" ]; then + # case: git repository # if S is WORKDIR/git, then we shouldn't be moving or deleting the tree. if [ "${source_dir}" != "${source_workdir}" ]; then - rm -rf ${S} - mv ${WORKDIR}/git ${S} + if [ -d "${source_workdir}/.git" ]; then + # regular git repository with .git + rm -rf ${S} + mv ${WORKDIR}/git ${S} + else + # create source for bare cloned git repository + git clone ${WORKDIR}/git ${S} + rm -rf ${WORKDIR}/git + fi fi cd ${S} - elif [ -d "${WORKDIR}/git/" ] && [ ! -d "${WORKDIR}/git/.git" ]; then - # case2: the repository is a bare clone - - # if S is WORKDIR/git, then we shouldn't be moving or deleting the tree. - if [ "${source_dir}" != "${source_workdir}" ]; then - rm -rf ${S} - mkdir -p ${S}/.git - mv ${WORKDIR}/git/* ${S}/.git - rm -rf ${WORKDIR}/git/ - fi - cd ${S} - git config core.bare false else - # case 3: we have no git repository at all. + # case: we have no git repository at all. # To support low bandwidth options for building the kernel, we'll just # convert the tree to a git repo and let the rest of the process work unchanged @@ -189,7 +234,6 @@ do_kernel_checkout() { git commit -q -m "baseline commit: creating repo for ${PN}-${PV}" git clean -d -f fi - # end debare # convert any remote branches to local tracking ones for i in `git branch -a --no-color | grep remotes | grep -v HEAD`; do @@ -200,60 +244,57 @@ do_kernel_checkout() { fi done - # If KMETA is defined, the branch must exist, but a machine branch - # can be missing since it may be created later by the tools. - if [ -n "${KMETA}" ]; then - git show-ref --quiet --verify -- "refs/heads/${KMETA}" - if [ $? -eq 1 ]; then - bberror "The branch '${KMETA}' is required and was not found" - bberror "Ensure that the SRC_URI points to a valid linux-yocto" - bbfatal "kernel repository" - fi - fi - - # Create a working tree copy of the kernel by checking out a branch machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" - git show-ref --quiet --verify -- "refs/heads/${machine_branch}" - if [ $? -ne 0 ]; then - machine_branch="master" - fi # checkout and clobber any unimportant files git checkout -f ${machine_branch} } do_kernel_checkout[dirs] = "${S}" -addtask kernel_checkout before do_patch after do_unpack -addtask kernel_metadata after do_validate_branches before do_patch +addtask kernel_checkout before do_kernel_metadata after do_unpack +addtask kernel_metadata after do_validate_branches do_unpack before do_patch +do_kernel_metadata[depends] = "kern-tools-native:do_populate_sysroot" +do_validate_branches[depends] = "kern-tools-native:do_populate_sysroot" do_kernel_configme[dirs] += "${S} ${B}" do_kernel_configme() { - bbnote "kernel configme" - export KMETA=${KMETA} + set +e - if [ -n "${KCONFIG_MODE}" ]; then - configmeflags=${KCONFIG_MODE} - else - # If a defconfig was passed, use =n as the baseline, which is achieved - # via --allnoconfig + # translate the kconfig_mode into something that merge_config.sh + # understands + case ${KCONFIG_MODE} in + *allnoconfig) + config_flags="-n" + ;; + *alldefconfig) + config_flags="" + ;; + *) if [ -f ${WORKDIR}/defconfig ]; then - configmeflags="--allnoconfig" + config_flags="-n" fi - fi + ;; + esac cd ${S} - PATH=${PATH}:${S}/scripts/util - configme ${configmeflags} --reconfig --output ${B} ${LINUX_KERNEL_TYPE} ${KMACHINE} + + meta_dir=$(kgit --meta) + configs="$(scc --configs -o ${meta_dir})" + if [ -z "${configs}" ]; then + bbfatal_log "Could not find configuration queue (${meta_dir}/config.queue)" + fi + + CFLAGS="${CFLAGS} ${TOOLCHAIN_OPTIONS}" ARCH=${ARCH} merge_config.sh -O ${B} ${config_flags} ${configs} > ${meta_dir}/cfg/merge_config_build.log 2>&1 if [ $? -ne 0 ]; then - bbfatal "Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}" + bbfatal_log "Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}" fi - + echo "# Global settings from linux recipe" >> ${B}/.config echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config } -addtask kernel_configme after do_patch +addtask kernel_configme before do_configure after do_patch python do_kernel_configcheck() { import re, string, sys @@ -261,41 +302,28 @@ python do_kernel_configcheck() { # if KMETA isn't set globally by a recipe using this routine, we need to # set the default to 'meta'. Otherwise, kconf_check is not passed a valid # meta-series for processing - kmeta = d.getVar( "KMETA", True ) or "meta" + kmeta = d.getVar("KMETA") or "meta" if not os.path.exists(kmeta): kmeta = "." + kmeta - pathprefix = "export PATH=%s:%s; " % (d.getVar('PATH', True), "${S}/scripts/util/") - cmd = d.expand("cd ${S}; kconf_check -config- %s/meta-series ${S} ${B}" % kmeta) + pathprefix = "export PATH=%s:%s; " % (d.getVar('PATH'), "${S}/scripts/util/") + + cmd = d.expand("scc --configs -o ${S}/.kernel-meta") + ret, configs = oe.utils.getstatusoutput("%s%s" % (pathprefix, cmd)) + + cmd = d.expand("cd ${S}; kconf_check --report -o ${S}/%s/cfg/ ${B}/.config ${S} %s" % (kmeta,configs)) ret, result = oe.utils.getstatusoutput("%s%s" % (pathprefix, cmd)) - config_check_visibility = int(d.getVar( "KCONF_AUDIT_LEVEL", True ) or 0) - bsp_check_visibility = int(d.getVar( "KCONF_BSP_AUDIT_LEVEL", True ) or 0) + config_check_visibility = int(d.getVar("KCONF_AUDIT_LEVEL") or 0) + bsp_check_visibility = int(d.getVar("KCONF_BSP_AUDIT_LEVEL") or 0) # if config check visibility is non-zero, report dropped configuration values - mismatch_file = "${S}/" + kmeta + "/" + "mismatch.cfg" + mismatch_file = d.expand("${S}/%s/cfg/mismatch.txt" % kmeta) if os.path.exists(mismatch_file): if config_check_visibility: with open (mismatch_file, "r") as myfile: results = myfile.read() bb.warn( "[kernel config]: specified values did not make it into the kernel's final configuration:\n\n%s" % results) - - # if config check visibility is level 2 or higher, report non-hardware options - nonhw_file = "${S}/" + kmeta + "/" + "nonhw_report.cfg" - if os.path.exists(nonhw_file): - if config_check_visibility > 1: - with open (nonhw_file, "r") as myfile: - results = myfile.read() - bb.warn( "[kernel config]: BSP specified non-hw configuration:\n\n%s" % results) - - bsp_desc = "${S}/" + kmeta + "/" + "top_tgt" - if os.path.exists(bsp_desc) and bsp_check_visibility > 1: - with open (bsp_desc, "r") as myfile: - bsp_tgt = myfile.read() - m = re.match("^(.*)scratch.obj(.*)$", bsp_tgt) - if not m is None: - bb.warn( "[kernel]: An auto generated BSP description was used, this normally indicates a misconfiguration.\n" + - "Check that your machine (%s) has an associated kernel description." % "${MACHINE}" ) } # Ensure that the branches (BSP and meta) are on the locations specified by @@ -304,7 +332,6 @@ python do_kernel_configcheck() { do_validate_branches() { set +e cd ${S} - export KMETA=${KMETA} machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" machine_srcrev="${SRCREV_machine}" @@ -325,33 +352,11 @@ do_validate_branches() { git cat-file -t ${machine_srcrev} > /dev/null if [ $? -ne 0 ]; then bberror "${machine_srcrev} is not a valid commit ID." - bbfatal "The kernel source tree may be out of sync" + bbfatal_log "The kernel source tree may be out of sync" fi force_srcrev=${machine_srcrev} fi - ## KMETA branch validation. - target_meta_head="${SRCREV_meta}" - if [ "${target_meta_head}" = "AUTOINC" ] || [ "${target_meta_head}" = "" ]; then - bbnote "SRCREV validation skipped for AUTOREV or empty meta branch" - else - meta_head=`git show-ref -s --heads ${KMETA}` - - git cat-file -t ${target_meta_head} > /dev/null - if [ $? -ne 0 ]; then - bberror "${target_meta_head} is not a valid commit ID" - bbfatal "The kernel source tree may be out of sync" - fi - if [ "$meta_head" != "$target_meta_head" ]; then - bbnote "Setting branch ${KMETA} to ${target_meta_head}" - git branch -m ${KMETA} ${KMETA}-orig - git checkout -q -b ${KMETA} ${target_meta_head} - if [ $? -ne 0 ];then - bbfatal "Could not checkout ${KMETA} branch from known hash ${target_meta_head}" - fi - fi - fi - git checkout -q -f ${machine_branch} if [ -n "${force_srcrev}" ]; then # see if the branch we are about to patch has been properly reset to the defined @@ -361,22 +366,14 @@ do_validate_branches() { current_branch=`git rev-parse --abbrev-ref HEAD` git branch "$current_branch-orig" git reset --hard ${force_srcrev} + # We've checked out HEAD, make sure we cleanup kgit-s2q fence post check + # so the patches are applied as expected otherwise no patching + # would be done in some corner cases. + kgit-s2q --clean fi fi } -# Many scripts want to look in arch/$arch/boot for the bootable -# image. This poses a problem for vmlinux based booting. This -# task arranges to have vmlinux appear in the normalized directory -# location. -do_kernel_link_vmlinux() { - if [ ! -d "${B}/arch/${ARCH}/boot" ]; then - mkdir ${B}/arch/${ARCH}/boot - fi - cd ${B}/arch/${ARCH}/boot - ln -sf ../../../vmlinux -} - OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT" KBUILD_OUTPUT = "${B}" |