diff options
Diffstat (limited to 'meta/classes-recipe/kernel-yocto.bbclass')
| -rw-r--r-- | meta/classes-recipe/kernel-yocto.bbclass | 732 |
1 files changed, 732 insertions, 0 deletions
diff --git a/meta/classes-recipe/kernel-yocto.bbclass b/meta/classes-recipe/kernel-yocto.bbclass new file mode 100644 index 0000000000..1a6695ba7e --- /dev/null +++ b/meta/classes-recipe/kernel-yocto.bbclass @@ -0,0 +1,732 @@ +# +# 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}/$f/meta" ]; then + includes="$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}" 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['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['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 |