diff options
Diffstat (limited to 'yocto-poky/meta/classes/kernel-yocto.bbclass')
-rw-r--r-- | yocto-poky/meta/classes/kernel-yocto.bbclass | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/yocto-poky/meta/classes/kernel-yocto.bbclass b/yocto-poky/meta/classes/kernel-yocto.bbclass deleted file mode 100644 index f86b3ef01..000000000 --- a/yocto-poky/meta/classes/kernel-yocto.bbclass +++ /dev/null @@ -1,376 +0,0 @@ -# remove tasks that modify the source tree in case externalsrc is inherited -SRCTREECOVEREDTASKS += "do_kernel_configme do_validate_branches do_kernel_configcheck do_kernel_checkout do_shared_workdir do_fetch do_unpack do_patch" - -# returns local (absolute) path names for all valid patches in the -# src_uri -def find_patches(d): - patches = src_patches(d) - patch_list=[] - for p in patches: - _, _, local, _, _, _ = bb.fetch.decodeurl(p) - patch_list.append(local) - - return patch_list - -# returns all the elements from the src uri that are .scc files -def find_sccs(d): - sources=src_patches(d, True) - sources_list=[] - for s in sources: - base, ext = os.path.splitext(os.path.basename(s)) - if ext and ext in [".scc", ".cfg"]: - sources_list.append(s) - elif base and base in 'defconfig': - sources_list.append(s) - - return sources_list - -# check the SRC_URI for "kmeta" type'd git repositories. Return the name of -# the repository as it will be found in WORKDIR -def find_kernel_feature_dirs(d): - feature_dirs=[] - fetch = bb.fetch2.Fetch([], 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: - destdir = parm["destsuffix"] - if type == "kmeta": - feature_dirs.append(destdir) - - return feature_dirs - -# find the master/machine source branch. In the same way that the fetcher proceses -# git repositories in the SRC_URI we take the first repo found, first branch. -def get_machine_branch(d, default): - fetch = bb.fetch2.Fetch([], d) - for url in fetch.urls: - urldata = fetch.ud[url] - parm = urldata.parm - if "branch" in parm: - branches = urldata.parm.get("branch").split(',') - btype = urldata.parm.get("type") - if btype != "kmeta": - return branches[0] - - return default - -do_kernel_metadata() { - set +e - cd ${S} - export KMETA=${KMETA} - - # if kernel tools are available in-tree, they are preferred - # and are placed on the path before any external tools. Unless - # the external tools flag is set, in that case we do nothing. - if [ -f "${S}/scripts/util/configme" ]; then - if [ -z "${EXTERNAL_KERNEL_TOOLS}" ]; then - PATH=${S}/scripts/util:${PATH} - fi - fi - - machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" - machine_srcrev="${SRCREV_machine}" - if [ -z "${machine_srcrev}" ]; then - # fallback to SRCREV if a non machine_meta tree is being built - machine_srcrev="${SRCREV}" - fi - - # 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 '${KBUILD_DEFCONFIG}' was specified, but not present in the source tree" - fi - fi - - sccs="$sccs ${@" ".join(find_sccs(d))}" - patches="${@" ".join(find_patches(d))}" - feat_dirs="${@" ".join(find_kernel_feature_dirs(d))}" - - # add any explicitly referenced features onto the end of the feature - # list that is passed to the kernel build scripts. - if [ -n "${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 ${feat_dirs}; do - if [ -d "${WORKDIR}/$f/meta" ]; then - includes="$includes -I${WORKDIR}/$f/meta" - elif [ -d "${WORKDIR}/$f" ]; then - includes="$includes -I${WORKDIR}/$f" - 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_log "Could not update ${machine_branch}" - fi -} - -do_patch() { - cd ${S} - - # executes and modifies the source tree as required - patchme ${KMACHINE} - if [ $? -ne 0 ]; then - bberror "Could not apply patches for ${KMACHINE}." - bbfatal_log "Patch failures can be resolved in the linux source directory ${S})" - fi - - # check to see if the specified SRCREV is reachable from the final branch. - # if it wasn't something wrong has happened, and we should error. - machine_srcrev="${SRCREV_machine}" - if [ -z "${machine_srcrev}" ]; then - # fallback to SRCREV if a non machine_meta tree is being built - machine_srcrev="${SRCREV}" - # if SRCREV cannot be reached something is wrong. - if [ -z "${machine_srcrev}" ]; then - bbfatal "Neither SRCREV_machine or SRCREV was specified!" - fi - fi - - current_branch=`git rev-parse --abbrev-ref HEAD` - machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" - if [ "${current_branch}" != "${machine_branch}" ]; then - bbwarn "After meta data application, the kernel tree branch is ${current_branch}. The" - bbwarn "SRC_URI specified branch ${machine_branch}. The branch will be forced to ${machine_branch}," - bbwarn "but this means the board meta data (.scc files) do not match the SRC_URI specification." - bbwarn "The meta data and branch ${machine_branch} should be inspected to ensure the proper" - bbwarn "kernel is being built." - git checkout -f ${machine_branch} - fi - - if [ "${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 - fi -} - -do_kernel_checkout() { - set +e - - source_dir=`echo ${S} | sed 's%/$%%'` - source_workdir="${WORKDIR}/git" - if [ -d "${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 - 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} - else - # 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 - - # if ${S} hasn't been set to the proper subdirectory a default of "linux" is - # used, but we can't initialize that empty directory. So check it and throw a - # clear error - - cd ${S} - if [ ! -f "Makefile" ]; then - bberror "S is not set to the linux source directory. Check " - bbfatal "the recipe and set S to the proper extracted subdirectory" - fi - rm -f .gitignore - git init - git add . - git commit -q -m "baseline commit: creating repo for ${PN}-${PV}" - git clean -d -f - fi - - # convert any remote branches to local tracking ones - for i in `git branch -a --no-color | grep remotes | grep -v HEAD`; do - b=`echo $i | cut -d' ' -f2 | sed 's%remotes/origin/%%'`; - git show-ref --quiet --verify -- "refs/heads/$b" - if [ $? -ne 0 ]; then - git branch $b $i > /dev/null - fi - done - - # Create a working tree copy of the kernel by checking out a branch - machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" - - # checkout and clobber any unimportant files - git checkout -f ${machine_branch} -} -do_kernel_checkout[dirs] = "${S}" - -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_kernel_configme[dirs] += "${S} ${B}" -do_kernel_configme() { - bbnote "kernel configme" - export KMETA=${KMETA} - - if [ -n "${KCONFIG_MODE}" ]; then - configmeflags=${KCONFIG_MODE} - else - # If a defconfig was passed, use =n as the baseline, which is achieved - # via --allnoconfig - if [ -f ${WORKDIR}/defconfig ]; then - configmeflags="--allnoconfig" - fi - fi - - cd ${S} - PATH=${PATH}:${S}/scripts/util - configme ${configmeflags} --reconfig --output ${B} ${LINUX_KERNEL_TYPE} ${KMACHINE} - if [ $? -ne 0 ]; then - bbfatal_log "Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}" - fi - - echo "# Global settings from linux recipe" >> ${B}/.config - echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config -} - -addtask kernel_configme before do_configure after do_patch - -python do_kernel_configcheck() { - import re, string, sys - - # if KMETA isn't set globally by a recipe using this routine, we need to - # set the default to 'meta'. Otherwise, kconf_check is not passed a valid - # meta-series for processing - kmeta = d.getVar( "KMETA", True ) or "meta" - if not os.path.exists(kmeta): - kmeta = "." + kmeta - - pathprefix = "export PATH=%s:%s; " % (d.getVar('PATH', True), "${S}/scripts/util/") - cmd = d.expand("cd ${S}; kconf_check -config %s/meta-series ${S} ${B}" % kmeta) - ret, result = oe.utils.getstatusoutput("%s%s" % (pathprefix, cmd)) - - config_check_visibility = int(d.getVar( "KCONF_AUDIT_LEVEL", True ) or 0) - bsp_check_visibility = int(d.getVar( "KCONF_BSP_AUDIT_LEVEL", True ) or 0) - - # if config check visibility is non-zero, report dropped configuration values - mismatch_file = "${S}/" + kmeta + "/" + "mismatch.cfg" - 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 -# their SRCREV values. If they are NOT on the right commits, the branches -# are corrected to the proper commit. -do_validate_branches() { - set +e - cd ${S} - - machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" - machine_srcrev="${SRCREV_machine}" - - # if SRCREV is AUTOREV it shows up as AUTOINC there's nothing to - # check and we can exit early - if [ "${machine_srcrev}" = "AUTOINC" ]; then - bbnote "SRCREV validation is not required for AUTOREV" - elif [ "${machine_srcrev}" = "" ]; then - if [ "${SRCREV}" != "AUTOINC" ] && [ "${SRCREV}" != "INVALID" ]; then - # SRCREV_machine_<MACHINE> was not set. This means that a custom recipe - # that doesn't use the SRCREV_FORMAT "machine_meta" is being built. In - # this case, we need to reset to the give SRCREV before heading to patching - bbnote "custom recipe is being built, forcing SRCREV to ${SRCREV}" - force_srcrev="${SRCREV}" - fi - else - git cat-file -t ${machine_srcrev} > /dev/null - if [ $? -ne 0 ]; then - bberror "${machine_srcrev} is not a valid commit ID." - bbfatal_log "The kernel source tree may be out of sync" - fi - force_srcrev=${machine_srcrev} - 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 - # SRCREV .. if not, we reset it. - branch_head=`git rev-parse HEAD` - if [ "${force_srcrev}" != "${branch_head}" ]; then - current_branch=`git rev-parse --abbrev-ref HEAD` - git branch "$current_branch-orig" - git reset --hard ${force_srcrev} - fi - fi -} - -OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT" -KBUILD_OUTPUT = "${B}" - -python () { - # If diffconfig is available, ensure it runs after kernel_configme - if 'do_diffconfig' in d: - bb.build.addtask('do_diffconfig', None, 'do_kernel_configme', d) -} |