| # |
| # Copyright OpenEmbedded Contributors |
| # |
| # SPDX-License-Identifier: MIT |
| # |
| |
| # remove tasks that modify the source tree in case externalsrc is inherited |
| SRCTREECOVEREDTASKS += "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" |
| |
| # The distro or local.conf should set this, but if nobody cares... |
| LINUX_KERNEL_TYPE ??= "standard" |
| |
| # KMETA ?= "" |
| KBRANCH ?= "master" |
| KMACHINE ?= "${MACHINE}" |
| SRCREV_FORMAT ?= "meta_machine" |
| |
| # LEVELS: |
| # 0: no reporting |
| # 1: report options that are specified, but not in the final config |
| # 2: report options that are not hardware related, but set by a BSP |
| KCONF_AUDIT_LEVEL ?= "1" |
| KCONF_BSP_AUDIT_LEVEL ?= "0" |
| KMETA_AUDIT ?= "yes" |
| KMETA_AUDIT_WERROR ?= "" |
| |
| # returns local (absolute) path names for all valid patches in the |
| # src_uri |
| def find_patches(d,subdir): |
| patches = src_patches(d) |
| patch_list=[] |
| for p in patches: |
| _, _, local, _, _, parm = bb.fetch.decodeurl(p) |
| # if patchdir has been passed, we won't be able to apply it so skip |
| # the patch for now, and special processing happens later |
| patchdir = '' |
| if "patchdir" in parm: |
| patchdir = parm["patchdir"] |
| if subdir: |
| if subdir == patchdir: |
| patch_list.append(local) |
| else: |
| # skip the patch if a patchdir was supplied, it won't be handled |
| # properly |
| if not patchdir: |
| 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 'defconfig' in base: |
| 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 |
| |
| # returns a list of all directories that are on FILESEXTRAPATHS (and |
| # hence available to the build) that contain .scc or .cfg files |
| def get_dirs_with_fragments(d): |
| extrapaths = [] |
| extrafiles = [] |
| extrapathsvalue = (d.getVar("FILESEXTRAPATHS") or "") |
| # Remove default flag which was used for checking |
| extrapathsvalue = extrapathsvalue.replace("__default:", "") |
| extrapaths = extrapathsvalue.split(":") |
| for path in extrapaths: |
| if path + ":True" not in extrafiles: |
| extrafiles.append(path + ":" + str(os.path.exists(path))) |
| |
| return " ".join(extrafiles) |
| |
| do_kernel_metadata() { |
| set +e |
| |
| if [ -n "$1" ]; then |
| mode="$1" |
| else |
| mode="patch" |
| fi |
| |
| cd ${S} |
| export KMETA=${KMETA} |
| |
| bbnote "do_kernel_metadata: for summary/debug, set KCONF_AUDIT_LEVEL > 0" |
| |
| # 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 |
| |
| # 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 overwrote the |
| # one already placed in WORKDIR |
| cmp "${WORKDIR}/defconfig" "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" |
| if [ $? -ne 0 ]; then |
| bbdebug 1 "detected SRC_URI or unpatched defconfig in WORKDIR. ${KBUILD_DEFCONFIG} copied over it" |
| fi |
| cp -f ${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG} ${WORKDIR}/defconfig |
| else |
| cp -f ${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG} ${WORKDIR}/defconfig |
| fi |
| in_tree_defconfig="${WORKDIR}/defconfig" |
| else |
| bbfatal "A KBUILD_DEFCONFIG '${KBUILD_DEFCONFIG}' was specified, but not present in the source tree (${S}/arch/${ARCH}/configs/)" |
| fi |
| fi |
| |
| if [ "$mode" = "patch" ]; then |
| # was anyone trying to patch the kernel meta data ?, we need to do |
| # this here, since the scc commands migrate the .cfg fragments to the |
| # kernel source tree, where they'll be used later. |
| check_git_config |
| patches="${@" ".join(find_patches(d,'kernel-meta'))}" |
| for p in $patches; do |
| ( |
| cd ${WORKDIR}/kernel-meta |
| git am -s $p |
| ) |
| done |
| fi |
| |
| sccs_from_src_uri="${@" ".join(find_sccs(d))}" |
| patches="${@" ".join(find_patches(d,''))}" |
| feat_dirs="${@" ".join(find_kernel_feature_dirs(d))}" |
| |
| # a quick check to make sure we don't have duplicate defconfigs If |
| # there's a defconfig in the SRC_URI, did we also have one from the |
| # KBUILD_DEFCONFIG processing above ? |
| src_uri_defconfig=$(echo $sccs_from_src_uri | awk '(match($0, "defconfig") != 0) { print $0 }' RS=' ') |
| # drop and defconfig's from the src_uri variable, we captured it just above here if it existed |
| sccs_from_src_uri=$(echo $sccs_from_src_uri | awk '(match($0, "defconfig") == 0) { print $0 }' RS=' ') |
| |
| if [ -n "$in_tree_defconfig" ]; then |
| sccs_defconfig=$in_tree_defconfig |
| if [ -n "$src_uri_defconfig" ]; then |
| bbwarn "[NOTE]: defconfig was supplied both via KBUILD_DEFCONFIG and SRC_URI. Dropping SRC_URI entry $src_uri_defconfig" |
| fi |
| else |
| # if we didn't have an in-tree one, make our defconfig the one |
| # from the src_uri. Note: there may not have been one from the |
| # src_uri, so this can be an empty variable. |
| sccs_defconfig=$src_uri_defconfig |
| fi |
| sccs="$sccs_from_src_uri" |
| |
| # 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 |
| for f in ${feat_dirs}; do |
| if [ -d "${WORKDIR}/$f/kernel-meta" ]; then |
| includes="$includes -I${WORKDIR}/$f/kernel-meta" |
| elif [ -d "${WORKDIR}/../oe-local-files/$f" ]; then |
| includes="$includes -I${WORKDIR}/../oe-local-files/$f" |
| elif [ -d "${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=${LINUX_KERNEL_TYPE}) |
| if [ -z "$bsp_definition" ]; then |
| if [ -z "$sccs_defconfig" ]; then |
| bbfatal_log "Could not locate BSP definition for ${KMACHINE}/${LINUX_KERNEL_TYPE} and no defconfig was provided" |
| fi |
| else |
| # if the bsp definition has "define KMETA_EXTERNAL_BSP t", |
| # then we need to set a flag that will instruct the next |
| # steps to use the BSP as both configuration and patches. |
| grep -q KMETA_EXTERNAL_BSP $bsp_definition |
| if [ $? -eq 0 ]; then |
| KMETA_EXTERNAL_BSPS="t" |
| fi |
| fi |
| meta_dir=$(kgit --meta) |
| |
| KERNEL_FEATURES_FINAL="" |
| if [ -n "${KERNEL_FEATURES}" ]; then |
| for feature in ${KERNEL_FEATURES}; do |
| feature_found=f |
| for d in $includes; do |
| path_to_check=$(echo $d | sed 's/^-I//') |
| if [ "$feature_found" = "f" ] && [ -e "$path_to_check/$feature" ]; then |
| feature_found=t |
| fi |
| done |
| if [ "$feature_found" = "f" ]; then |
| if [ -n "${KERNEL_DANGLING_FEATURES_WARN_ONLY}" ]; then |
| bbwarn "Feature '$feature' not found, but KERNEL_DANGLING_FEATURES_WARN_ONLY is set" |
| bbwarn "This may cause runtime issues, dropping feature and allowing configuration to continue" |
| else |
| bberror "Feature '$feature' not found, this will cause configuration failures." |
| bberror "Check the SRC_URI for meta-data repositories or directories that may be missing" |
| bbfatal_log "Set KERNEL_DANGLING_FEATURES_WARN_ONLY to ignore this issue" |
| fi |
| else |
| KERNEL_FEATURES_FINAL="$KERNEL_FEATURES_FINAL $feature" |
| fi |
| done |
| fi |
| |
| if [ "$mode" = "config" ]; then |
| # run1: pull all the configuration fragments, no matter where they come from |
| elements="`echo -n ${bsp_definition} $sccs_defconfig ${sccs} ${patches} $KERNEL_FEATURES_FINAL`" |
| if [ -n "${elements}" ]; then |
| echo "${bsp_definition}" > ${S}/${meta_dir}/bsp_definition |
| scc --force -o ${S}/${meta_dir}:cfg,merge,meta ${includes} $sccs_defconfig $bsp_definition $sccs $patches $KERNEL_FEATURES_FINAL |
| if [ $? -ne 0 ]; then |
| bbfatal_log "Could not generate configuration queue for ${KMACHINE}." |
| fi |
| fi |
| fi |
| |
| # if KMETA_EXTERNAL_BSPS has been set, or it has been detected from |
| # the bsp definition, then we inject the bsp_definition into the |
| # patch phase below. we'll piggy back on the sccs variable. |
| if [ -n "${KMETA_EXTERNAL_BSPS}" ]; then |
| sccs="${bsp_definition} ${sccs}" |
| fi |
| |
| if [ "$mode" = "patch" ]; then |
| # run2: only generate patches for elements that have been passed on the SRC_URI |
| elements="`echo -n ${sccs} ${patches} $KERNEL_FEATURES_FINAL`" |
| if [ -n "${elements}" ]; then |
| scc --force -o ${S}/${meta_dir}:patch --cmds patch ${includes} ${sccs} ${patches} $KERNEL_FEATURES_FINAL |
| if [ $? -ne 0 ]; then |
| bbfatal_log "Could not generate configuration queue for ${KMACHINE}." |
| fi |
| fi |
| fi |
| |
| if [ ${KCONF_AUDIT_LEVEL} -gt 0 ]; then |
| bbnote "kernel meta data summary for ${KMACHINE} (${LINUX_KERNEL_TYPE}):" |
| bbnote "======================================================================" |
| if [ -n "${KMETA_EXTERNAL_BSPS}" ]; then |
| bbnote "Non kernel-cache (external) bsp" |
| fi |
| bbnote "BSP entry point / definition: $bsp_definition" |
| if [ -n "$in_tree_defconfig" ]; then |
| bbnote "KBUILD_DEFCONFIG: ${KBUILD_DEFCONFIG}" |
| fi |
| bbnote "Fragments from SRC_URI: $sccs_from_src_uri" |
| bbnote "KERNEL_FEATURES: $KERNEL_FEATURES_FINAL" |
| bbnote "Final scc/cfg list: $sccs_defconfig $bsp_definition $sccs $KERNEL_FEATURES_FINAL" |
| fi |
| |
| set -e |
| } |
| |
| do_patch() { |
| set +e |
| cd ${S} |
| |
| check_git_config |
| meta_dir=$(kgit --meta) |
| (cd ${meta_dir}; ln -sf patch.queue series) |
| if [ -f "${meta_dir}/series" ]; then |
| kgit_extra_args="" |
| if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then |
| kgit_extra_args="--commit-sha author" |
| fi |
| kgit-s2q --gen -v $kgit_extra_args --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 ${S})" |
| fi |
| fi |
| |
| if [ -f "${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 |
| |
| set -e |
| } |
| |
| 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} |
| |
| # 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} |
| 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 |
| check_git_config |
| git add . |
| git commit -q -m "baseline commit: creating repo for ${PN}-${PV}" |
| git clean -d -f |
| fi |
| |
| set -e |
| } |
| do_kernel_checkout[dirs] = "${S} ${WORKDIR}" |
| |
| addtask kernel_checkout before do_kernel_metadata after do_symlink_kernsrc |
| addtask kernel_metadata after do_validate_branches do_unpack before do_patch |
| do_kernel_metadata[depends] = "kern-tools-native:do_populate_sysroot" |
| do_kernel_metadata[file-checksums] = " ${@get_dirs_with_fragments(d)}" |
| do_validate_branches[depends] = "kern-tools-native:do_populate_sysroot" |
| |
| do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}binutils:do_populate_sysroot" |
| do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}gcc:do_populate_sysroot" |
| do_kernel_configme[depends] += "bc-native:do_populate_sysroot bison-native:do_populate_sysroot" |
| do_kernel_configme[depends] += "kern-tools-native:do_populate_sysroot" |
| do_kernel_configme[dirs] += "${S} ${B}" |
| do_kernel_configme() { |
| do_kernel_metadata config |
| |
| # 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 |
| config_flags="-n" |
| fi |
| ;; |
| esac |
| |
| cd ${S} |
| |
| meta_dir=$(kgit --meta) |
| configs="$(scc --configs -o ${meta_dir})" |
| if [ $? -ne 0 ]; then |
| bberror "${configs}" |
| bbfatal_log "Could not find configuration queue (${meta_dir}/config.queue)" |
| fi |
| |
| CFLAGS="${CFLAGS} ${TOOLCHAIN_OPTIONS}" HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}" CC="${KERNEL_CC}" LD="${KERNEL_LD}" OBJCOPY="${KERNEL_OBJCOPY}" ARCH=${ARCH} merge_config.sh -O ${B} ${config_flags} ${configs} > ${meta_dir}/cfg/merge_config_build.log 2>&1 |
| if [ $? -ne 0 -o ! -f ${B}/.config ]; then |
| bberror "Could not generate a .config for ${KMACHINE}-${LINUX_KERNEL_TYPE}" |
| if [ ${KCONF_AUDIT_LEVEL} -gt 1 ]; then |
| bbfatal_log "`cat ${meta_dir}/cfg/merge_config_build.log`" |
| else |
| bbfatal_log "Details can be found at: ${S}/${meta_dir}/cfg/merge_config_build.log" |
| fi |
| fi |
| |
| if [ ! -z "${LINUX_VERSION_EXTENSION}" ]; then |
| echo "# Global settings from linux recipe" >> ${B}/.config |
| echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config |
| fi |
| } |
| |
| addtask kernel_configme before do_configure after do_patch |
| addtask config_analysis |
| |
| do_config_analysis[depends] = "virtual/kernel:do_configure" |
| do_config_analysis[depends] += "kern-tools-native:do_populate_sysroot" |
| |
| CONFIG_AUDIT_FILE ?= "${WORKDIR}/config-audit.txt" |
| CONFIG_ANALYSIS_FILE ?= "${WORKDIR}/config-analysis.txt" |
| |
| python do_config_analysis() { |
| import re, string, sys, subprocess |
| |
| s = d.getVar('S') |
| |
| env = os.environ.copy() |
| env['PATH'] = "%s:%s%s" % (d.getVar('PATH'), s, "/scripts/util/") |
| env['LD'] = d.getVar('KERNEL_LD') |
| env['CC'] = d.getVar('KERNEL_CC') |
| env['OBJCOPY'] = d.getVar('KERNEL_OBJCOPY') |
| env['ARCH'] = d.getVar('ARCH') |
| env['srctree'] = s |
| |
| # read specific symbols from the kernel recipe or from local.conf |
| # i.e.: CONFIG_ANALYSIS:pn-linux-yocto-dev = 'NF_CONNTRACK LOCALVERSION' |
| config = d.getVar( 'CONFIG_ANALYSIS' ) |
| if not config: |
| config = [ "" ] |
| else: |
| config = config.split() |
| |
| for c in config: |
| for action in ["analysis","audit"]: |
| if action == "analysis": |
| try: |
| analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--blame', c], cwd=s, env=env ).decode('utf-8') |
| except subprocess.CalledProcessError as e: |
| bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) |
| |
| outfile = d.getVar( 'CONFIG_ANALYSIS_FILE' ) |
| |
| if action == "audit": |
| try: |
| analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--summary', '--extended', '--sanity', c], cwd=s, env=env ).decode('utf-8') |
| except subprocess.CalledProcessError as e: |
| bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) |
| |
| outfile = d.getVar( 'CONFIG_AUDIT_FILE' ) |
| |
| if c: |
| outdir = os.path.dirname( outfile ) |
| outname = os.path.basename( outfile ) |
| outfile = outdir + '/'+ c + '-' + outname |
| |
| if config and os.path.isfile(outfile): |
| os.remove(outfile) |
| |
| with open(outfile, 'w+') as f: |
| f.write( analysis ) |
| |
| bb.warn( "Configuration {} executed, see: {} for details".format(action,outfile )) |
| if c: |
| bb.warn( analysis ) |
| } |
| |
| python do_kernel_configcheck() { |
| import re, string, sys, subprocess |
| |
| s = d.getVar('S') |
| |
| # if KMETA isn't set globally by a recipe using this routine, use kgit to |
| # locate or create the meta directory. Otherwise, kconf_check is not |
| # passed a valid meta-series for processing |
| kmeta = d.getVar("KMETA") |
| if not kmeta or not os.path.exists('{}/{}'.format(s,kmeta)): |
| kmeta = subprocess.check_output(['kgit', '--meta'], cwd=d.getVar('S')).decode('utf-8').rstrip() |
| |
| env = os.environ.copy() |
| env['PATH'] = "%s:%s%s" % (d.getVar('PATH'), s, "/scripts/util/") |
| env['LD'] = d.getVar('KERNEL_LD') |
| env['CC'] = d.getVar('KERNEL_CC') |
| env['OBJCOPY'] = d.getVar('KERNEL_OBJCOPY') |
| env['ARCH'] = d.getVar('ARCH') |
| env['srctree'] = s |
| |
| try: |
| configs = subprocess.check_output(['scc', '--configs', '-o', s + '/.kernel-meta'], env=env).decode('utf-8') |
| except subprocess.CalledProcessError as e: |
| bb.fatal( "Cannot gather config fragments for audit: %s" % e.output.decode("utf-8") ) |
| |
| config_check_visibility = int(d.getVar("KCONF_AUDIT_LEVEL") or 0) |
| bsp_check_visibility = int(d.getVar("KCONF_BSP_AUDIT_LEVEL") or 0) |
| kmeta_audit_werror = d.getVar("KMETA_AUDIT_WERROR") or "" |
| warnings_detected = False |
| |
| # if config check visibility is "1", that's the lowest level of audit. So |
| # we add the --classify option to the run, since classification will |
| # streamline the output to only report options that could be boot issues, |
| # or are otherwise required for proper operation. |
| extra_params = "" |
| if config_check_visibility == 1: |
| extra_params = "--classify" |
| |
| # category #1: mismatches |
| try: |
| analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--mismatches', extra_params], cwd=s, env=env ).decode('utf-8') |
| except subprocess.CalledProcessError as e: |
| bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) |
| |
| if analysis: |
| outfile = "{}/{}/cfg/mismatch.txt".format( s, kmeta ) |
| if os.path.isfile(outfile): |
| os.remove(outfile) |
| with open(outfile, 'w+') as f: |
| f.write( analysis ) |
| |
| if config_check_visibility and os.stat(outfile).st_size > 0: |
| with open (outfile, "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) |
| warnings_detected = True |
| |
| # category #2: invalid fragment elements |
| extra_params = "" |
| if bsp_check_visibility > 1: |
| extra_params = "--strict" |
| try: |
| analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--invalid', extra_params], cwd=s, env=env ).decode('utf-8') |
| except subprocess.CalledProcessError as e: |
| bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) |
| |
| if analysis: |
| outfile = "{}/{}/cfg/invalid.txt".format(s,kmeta) |
| if os.path.isfile(outfile): |
| os.remove(outfile) |
| with open(outfile, 'w+') as f: |
| f.write( analysis ) |
| |
| if bsp_check_visibility and os.stat(outfile).st_size > 0: |
| with open (outfile, "r") as myfile: |
| results = myfile.read() |
| bb.warn( "[kernel config]: This BSP contains fragments with warnings:\n\n%s" % results) |
| warnings_detected = True |
| |
| # category #3: redefined options (this is pretty verbose and is debug only) |
| try: |
| analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--sanity'], cwd=s, env=env ).decode('utf-8') |
| except subprocess.CalledProcessError as e: |
| bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) |
| |
| if analysis: |
| outfile = "{}/{}/cfg/redefinition.txt".format(s,kmeta) |
| if os.path.isfile(outfile): |
| os.remove(outfile) |
| with open(outfile, 'w+') as f: |
| f.write( analysis ) |
| |
| # if the audit level is greater than two, we report if a fragment has overriden |
| # a value from a base fragment. This is really only used for new kernel introduction |
| if bsp_check_visibility > 2 and os.stat(outfile).st_size > 0: |
| with open (outfile, "r") as myfile: |
| results = myfile.read() |
| bb.warn( "[kernel config]: This BSP has configuration options defined in more than one config, with differing values:\n\n%s" % results) |
| warnings_detected = True |
| |
| if warnings_detected and kmeta_audit_werror: |
| bb.fatal( "configuration warnings detected, werror is set, promoting to fatal" ) |
| } |
| |
| # 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 [ "${machine_srcrev}" = "AUTOINC" ]; then |
| linux_yocto_dev='${@oe.utils.conditional("PREFERRED_PROVIDER_virtual/kernel", "linux-yocto-dev", "1", "", d)}' |
| if [ -n "$linux_yocto_dev" ]; then |
| git checkout -q -f ${machine_branch} |
| ver=$(grep "^VERSION =" ${S}/Makefile | sed s/.*=\ *//) |
| patchlevel=$(grep "^PATCHLEVEL =" ${S}/Makefile | sed s/.*=\ *//) |
| sublevel=$(grep "^SUBLEVEL =" ${S}/Makefile | sed s/.*=\ *//) |
| kver="$ver.$patchlevel" |
| bbnote "dev kernel: performing version -> branch -> SRCREV validation" |
| bbnote "dev kernel: recipe version ${LINUX_VERSION}, src version: $kver" |
| echo "${LINUX_VERSION}" | grep -q $kver |
| if [ $? -ne 0 ]; then |
| version="$(echo ${LINUX_VERSION} | sed 's/\+.*$//g')" |
| versioned_branch="v$version/$machine_branch" |
| |
| machine_branch=$versioned_branch |
| force_srcrev="$(git rev-parse $machine_branch 2> /dev/null)" |
| if [ $? -ne 0 ]; then |
| bbfatal "kernel version mismatch detected, and no valid branch $machine_branch detected" |
| fi |
| |
| bbnote "dev kernel: adjusting branch to $machine_branch, srcrev to: $force_srcrev" |
| fi |
| else |
| bbnote "SRCREV validation is not required for AUTOREV" |
| fi |
| elif [ "${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 ${force_srcrev} |
| # We've checked out HEAD, make sure we cleanup kgit-s2q fence post check |
| # so the patches are applied as expected otherwise no patching |
| # would be done in some corner cases. |
| kgit-s2q --clean |
| fi |
| fi |
| |
| set -e |
| } |
| |
| OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT" |
| KBUILD_OUTPUT = "${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) |
| |
| externalsrc = d.getVar('EXTERNALSRC') |
| if externalsrc: |
| # If we deltask do_patch, do_kernel_configme is left without |
| # dependencies and runs too early |
| d.setVarFlag('do_kernel_configme', 'deps', (d.getVarFlag('do_kernel_configme', 'deps', False) or []) + ['do_unpack']) |
| } |
| |
| # extra tasks |
| addtask kernel_version_sanity_check after do_kernel_metadata do_kernel_checkout before do_compile |
| addtask validate_branches before do_patch after do_kernel_checkout |
| addtask kernel_configcheck after do_configure before do_compile |