1# remove tasks that modify the source tree in case externalsrc is inherited 2SRCTREECOVEREDTASKS += "do_validate_branches do_kernel_configcheck do_kernel_checkout do_fetch do_unpack do_patch" 3PATCH_GIT_USER_EMAIL ?= "kernel-yocto@oe" 4PATCH_GIT_USER_NAME ?= "OpenEmbedded" 5 6# The distro or local.conf should set this, but if nobody cares... 7LINUX_KERNEL_TYPE ??= "standard" 8 9# KMETA ?= "" 10KBRANCH ?= "master" 11KMACHINE ?= "${MACHINE}" 12SRCREV_FORMAT ?= "meta_machine" 13 14# LEVELS: 15# 0: no reporting 16# 1: report options that are specified, but not in the final config 17# 2: report options that are not hardware related, but set by a BSP 18KCONF_AUDIT_LEVEL ?= "1" 19KCONF_BSP_AUDIT_LEVEL ?= "0" 20KMETA_AUDIT ?= "yes" 21KMETA_AUDIT_WERROR ?= "" 22 23# returns local (absolute) path names for all valid patches in the 24# src_uri 25def find_patches(d,subdir): 26 patches = src_patches(d) 27 patch_list=[] 28 for p in patches: 29 _, _, local, _, _, parm = bb.fetch.decodeurl(p) 30 # if patchdir has been passed, we won't be able to apply it so skip 31 # the patch for now, and special processing happens later 32 patchdir = '' 33 if "patchdir" in parm: 34 patchdir = parm["patchdir"] 35 if subdir: 36 if subdir == patchdir: 37 patch_list.append(local) 38 else: 39 # skip the patch if a patchdir was supplied, it won't be handled 40 # properly 41 if not patchdir: 42 patch_list.append(local) 43 44 return patch_list 45 46# returns all the elements from the src uri that are .scc files 47def find_sccs(d): 48 sources=src_patches(d, True) 49 sources_list=[] 50 for s in sources: 51 base, ext = os.path.splitext(os.path.basename(s)) 52 if ext and ext in [".scc", ".cfg"]: 53 sources_list.append(s) 54 elif base and 'defconfig' in base: 55 sources_list.append(s) 56 57 return sources_list 58 59# check the SRC_URI for "kmeta" type'd git repositories. Return the name of 60# the repository as it will be found in WORKDIR 61def find_kernel_feature_dirs(d): 62 feature_dirs=[] 63 fetch = bb.fetch2.Fetch([], d) 64 for url in fetch.urls: 65 urldata = fetch.ud[url] 66 parm = urldata.parm 67 type="" 68 if "type" in parm: 69 type = parm["type"] 70 if "destsuffix" in parm: 71 destdir = parm["destsuffix"] 72 if type == "kmeta": 73 feature_dirs.append(destdir) 74 75 return feature_dirs 76 77# find the master/machine source branch. In the same way that the fetcher proceses 78# git repositories in the SRC_URI we take the first repo found, first branch. 79def get_machine_branch(d, default): 80 fetch = bb.fetch2.Fetch([], d) 81 for url in fetch.urls: 82 urldata = fetch.ud[url] 83 parm = urldata.parm 84 if "branch" in parm: 85 branches = urldata.parm.get("branch").split(',') 86 btype = urldata.parm.get("type") 87 if btype != "kmeta": 88 return branches[0] 89 90 return default 91 92# returns a list of all directories that are on FILESEXTRAPATHS (and 93# hence available to the build) that contain .scc or .cfg files 94def get_dirs_with_fragments(d): 95 extrapaths = [] 96 extrafiles = [] 97 extrapathsvalue = (d.getVar("FILESEXTRAPATHS") or "") 98 # Remove default flag which was used for checking 99 extrapathsvalue = extrapathsvalue.replace("__default:", "") 100 extrapaths = extrapathsvalue.split(":") 101 for path in extrapaths: 102 if path + ":True" not in extrafiles: 103 extrafiles.append(path + ":" + str(os.path.exists(path))) 104 105 return " ".join(extrafiles) 106 107do_kernel_metadata() { 108 set +e 109 110 if [ -n "$1" ]; then 111 mode="$1" 112 else 113 mode="patch" 114 fi 115 116 cd ${S} 117 export KMETA=${KMETA} 118 119 bbnote "do_kernel_metadata: for summary/debug, set KCONF_AUDIT_LEVEL > 0" 120 121 # if kernel tools are available in-tree, they are preferred 122 # and are placed on the path before any external tools. Unless 123 # the external tools flag is set, in that case we do nothing. 124 if [ -f "${S}/scripts/util/configme" ]; then 125 if [ -z "${EXTERNAL_KERNEL_TOOLS}" ]; then 126 PATH=${S}/scripts/util:${PATH} 127 fi 128 fi 129 130 # In a similar manner to the kernel itself: 131 # 132 # defconfig: $(obj)/conf 133 # ifeq ($(KBUILD_DEFCONFIG),) 134 # $< --defconfig $(Kconfig) 135 # else 136 # @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" 137 # $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) 138 # endif 139 # 140 # If a defconfig is specified via the KBUILD_DEFCONFIG variable, we copy it 141 # from the source tree, into a common location and normalized "defconfig" name, 142 # where the rest of the process will include and incoroporate it into the build 143 # 144 # If the fetcher has already placed a defconfig in WORKDIR (from the SRC_URI), 145 # we don't overwrite it, but instead warn the user that SRC_URI defconfigs take 146 # precendence. 147 # 148 if [ -n "${KBUILD_DEFCONFIG}" ]; then 149 if [ -f "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" ]; then 150 if [ -f "${WORKDIR}/defconfig" ]; then 151 # If the two defconfig's are different, warn that we overwrote the 152 # one already placed in WORKDIR 153 cmp "${WORKDIR}/defconfig" "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" 154 if [ $? -ne 0 ]; then 155 bbdebug 1 "detected SRC_URI or unpatched defconfig in WORKDIR. ${KBUILD_DEFCONFIG} copied over it" 156 fi 157 cp -f ${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG} ${WORKDIR}/defconfig 158 else 159 cp -f ${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG} ${WORKDIR}/defconfig 160 fi 161 in_tree_defconfig="${WORKDIR}/defconfig" 162 else 163 bbfatal "A KBUILD_DEFCONFIG '${KBUILD_DEFCONFIG}' was specified, but not present in the source tree (${S}/arch/${ARCH}/configs/)" 164 fi 165 fi 166 167 if [ "$mode" = "patch" ]; then 168 # was anyone trying to patch the kernel meta data ?, we need to do 169 # this here, since the scc commands migrate the .cfg fragments to the 170 # kernel source tree, where they'll be used later. 171 check_git_config 172 patches="${@" ".join(find_patches(d,'kernel-meta'))}" 173 for p in $patches; do 174 ( 175 cd ${WORKDIR}/kernel-meta 176 git am -s $p 177 ) 178 done 179 fi 180 181 sccs_from_src_uri="${@" ".join(find_sccs(d))}" 182 patches="${@" ".join(find_patches(d,''))}" 183 feat_dirs="${@" ".join(find_kernel_feature_dirs(d))}" 184 185 # a quick check to make sure we don't have duplicate defconfigs If 186 # there's a defconfig in the SRC_URI, did we also have one from the 187 # KBUILD_DEFCONFIG processing above ? 188 src_uri_defconfig=$(echo $sccs_from_src_uri | awk '(match($0, "defconfig") != 0) { print $0 }' RS=' ') 189 # drop and defconfig's from the src_uri variable, we captured it just above here if it existed 190 sccs_from_src_uri=$(echo $sccs_from_src_uri | awk '(match($0, "defconfig") == 0) { print $0 }' RS=' ') 191 192 if [ -n "$in_tree_defconfig" ]; then 193 sccs_defconfig=$in_tree_defconfig 194 if [ -n "$src_uri_defconfig" ]; then 195 bbwarn "[NOTE]: defconfig was supplied both via KBUILD_DEFCONFIG and SRC_URI. Dropping SRC_URI defconfig" 196 fi 197 else 198 # if we didn't have an in-tree one, make our defconfig the one 199 # from the src_uri. Note: there may not have been one from the 200 # src_uri, so this can be an empty variable. 201 sccs_defconfig=$src_uri_defconfig 202 fi 203 sccs="$sccs_from_src_uri" 204 205 # check for feature directories/repos/branches that were part of the 206 # SRC_URI. If they were supplied, we convert them into include directives 207 # for the update part of the process 208 for f in ${feat_dirs}; do 209 if [ -d "${WORKDIR}/$f/kernel-meta" ]; then 210 includes="$includes -I${WORKDIR}/$f/kernel-meta" 211 elif [ -d "${WORKDIR}/../oe-local-files/$f" ]; then 212 includes="$includes -I${WORKDIR}/../oe-local-files/$f" 213 elif [ -d "${WORKDIR}/$f" ]; then 214 includes="$includes -I${WORKDIR}/$f" 215 fi 216 done 217 for s in ${sccs} ${patches}; do 218 sdir=$(dirname $s) 219 includes="$includes -I${sdir}" 220 # if a SRC_URI passed patch or .scc has a subdir of "kernel-meta", 221 # then we add it to the search path 222 if [ -d "${sdir}/kernel-meta" ]; then 223 includes="$includes -I${sdir}/kernel-meta" 224 fi 225 done 226 227 # expand kernel features into their full path equivalents 228 bsp_definition=$(spp ${includes} --find -DKMACHINE=${KMACHINE} -DKTYPE=${LINUX_KERNEL_TYPE}) 229 if [ -z "$bsp_definition" ]; then 230 if [ -z "$sccs_defconfig" ]; then 231 bbfatal_log "Could not locate BSP definition for ${KMACHINE}/${LINUX_KERNEL_TYPE} and no defconfig was provided" 232 fi 233 else 234 # if the bsp definition has "define KMETA_EXTERNAL_BSP t", 235 # then we need to set a flag that will instruct the next 236 # steps to use the BSP as both configuration and patches. 237 grep -q KMETA_EXTERNAL_BSP $bsp_definition 238 if [ $? -eq 0 ]; then 239 KMETA_EXTERNAL_BSPS="t" 240 fi 241 fi 242 meta_dir=$(kgit --meta) 243 244 KERNEL_FEATURES_FINAL="" 245 if [ -n "${KERNEL_FEATURES}" ]; then 246 for feature in ${KERNEL_FEATURES}; do 247 feature_found=f 248 for d in $includes; do 249 path_to_check=$(echo $d | sed 's/^-I//') 250 if [ "$feature_found" = "f" ] && [ -e "$path_to_check/$feature" ]; then 251 feature_found=t 252 fi 253 done 254 if [ "$feature_found" = "f" ]; then 255 if [ -n "${KERNEL_DANGLING_FEATURES_WARN_ONLY}" ]; then 256 bbwarn "Feature '$feature' not found, but KERNEL_DANGLING_FEATURES_WARN_ONLY is set" 257 bbwarn "This may cause runtime issues, dropping feature and allowing configuration to continue" 258 else 259 bberror "Feature '$feature' not found, this will cause configuration failures." 260 bberror "Check the SRC_URI for meta-data repositories or directories that may be missing" 261 bbfatal_log "Set KERNEL_DANGLING_FEATURES_WARN_ONLY to ignore this issue" 262 fi 263 else 264 KERNEL_FEATURES_FINAL="$KERNEL_FEATURES_FINAL $feature" 265 fi 266 done 267 fi 268 269 if [ "$mode" = "config" ]; then 270 # run1: pull all the configuration fragments, no matter where they come from 271 elements="`echo -n ${bsp_definition} $sccs_defconfig ${sccs} ${patches} $KERNEL_FEATURES_FINAL`" 272 if [ -n "${elements}" ]; then 273 echo "${bsp_definition}" > ${S}/${meta_dir}/bsp_definition 274 scc --force -o ${S}/${meta_dir}:cfg,merge,meta ${includes} $sccs_defconfig $bsp_definition $sccs $patches $KERNEL_FEATURES_FINAL 275 if [ $? -ne 0 ]; then 276 bbfatal_log "Could not generate configuration queue for ${KMACHINE}." 277 fi 278 fi 279 fi 280 281 # if KMETA_EXTERNAL_BSPS has been set, or it has been detected from 282 # the bsp definition, then we inject the bsp_definition into the 283 # patch phase below. we'll piggy back on the sccs variable. 284 if [ -n "${KMETA_EXTERNAL_BSPS}" ]; then 285 sccs="${bsp_definition} ${sccs}" 286 fi 287 288 if [ "$mode" = "patch" ]; then 289 # run2: only generate patches for elements that have been passed on the SRC_URI 290 elements="`echo -n ${sccs} ${patches} $KERNEL_FEATURES_FINAL`" 291 if [ -n "${elements}" ]; then 292 scc --force -o ${S}/${meta_dir}:patch --cmds patch ${includes} ${sccs} ${patches} $KERNEL_FEATURES_FINAL 293 if [ $? -ne 0 ]; then 294 bbfatal_log "Could not generate configuration queue for ${KMACHINE}." 295 fi 296 fi 297 fi 298 299 if [ ${KCONF_AUDIT_LEVEL} -gt 0 ]; then 300 bbnote "kernel meta data summary for ${KMACHINE} (${LINUX_KERNEL_TYPE}):" 301 bbnote "======================================================================" 302 if [ -n "${KMETA_EXTERNAL_BSPS}" ]; then 303 bbnote "Non kernel-cache (external) bsp" 304 fi 305 bbnote "BSP entry point / definition: $bsp_definition" 306 if [ -n "$in_tree_defconfig" ]; then 307 bbnote "KBUILD_DEFCONFIG: ${KBUILD_DEFCONFIG}" 308 fi 309 bbnote "Fragments from SRC_URI: $sccs_from_src_uri" 310 bbnote "KERNEL_FEATURES: $KERNEL_FEATURES_FINAL" 311 bbnote "Final scc/cfg list: $sccs_defconfig $bsp_definition $sccs $KERNEL_FEATURES_FINAL" 312 fi 313 314 set -e 315} 316 317do_patch() { 318 set +e 319 cd ${S} 320 321 check_git_config 322 meta_dir=$(kgit --meta) 323 (cd ${meta_dir}; ln -sf patch.queue series) 324 if [ -f "${meta_dir}/series" ]; then 325 kgit_extra_args="" 326 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then 327 kgit_extra_args="--commit-sha author" 328 fi 329 kgit-s2q --gen -v $kgit_extra_args --patches .kernel-meta/ 330 if [ $? -ne 0 ]; then 331 bberror "Could not apply patches for ${KMACHINE}." 332 bbfatal_log "Patch failures can be resolved in the linux source directory ${S})" 333 fi 334 fi 335 336 if [ -f "${meta_dir}/merge.queue" ]; then 337 # we need to merge all these branches 338 for b in $(cat ${meta_dir}/merge.queue); do 339 git show-ref --verify --quiet refs/heads/${b} 340 if [ $? -eq 0 ]; then 341 bbnote "Merging branch ${b}" 342 git merge -q --no-ff -m "Merge branch ${b}" ${b} 343 else 344 bbfatal "branch ${b} does not exist, cannot merge" 345 fi 346 done 347 fi 348 349 set -e 350} 351 352do_kernel_checkout() { 353 set +e 354 355 source_dir=`echo ${S} | sed 's%/$%%'` 356 source_workdir="${WORKDIR}/git" 357 if [ -d "${WORKDIR}/git/" ]; then 358 # case: git repository 359 # if S is WORKDIR/git, then we shouldn't be moving or deleting the tree. 360 if [ "${source_dir}" != "${source_workdir}" ]; then 361 if [ -d "${source_workdir}/.git" ]; then 362 # regular git repository with .git 363 rm -rf ${S} 364 mv ${WORKDIR}/git ${S} 365 else 366 # create source for bare cloned git repository 367 git clone ${WORKDIR}/git ${S} 368 rm -rf ${WORKDIR}/git 369 fi 370 fi 371 cd ${S} 372 373 # convert any remote branches to local tracking ones 374 for i in `git branch -a --no-color | grep remotes | grep -v HEAD`; do 375 b=`echo $i | cut -d' ' -f2 | sed 's%remotes/origin/%%'`; 376 git show-ref --quiet --verify -- "refs/heads/$b" 377 if [ $? -ne 0 ]; then 378 git branch $b $i > /dev/null 379 fi 380 done 381 382 # Create a working tree copy of the kernel by checking out a branch 383 machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" 384 385 # checkout and clobber any unimportant files 386 git checkout -f ${machine_branch} 387 else 388 # case: we have no git repository at all. 389 # To support low bandwidth options for building the kernel, we'll just 390 # convert the tree to a git repo and let the rest of the process work unchanged 391 392 # if ${S} hasn't been set to the proper subdirectory a default of "linux" is 393 # used, but we can't initialize that empty directory. So check it and throw a 394 # clear error 395 396 cd ${S} 397 if [ ! -f "Makefile" ]; then 398 bberror "S is not set to the linux source directory. Check " 399 bbfatal "the recipe and set S to the proper extracted subdirectory" 400 fi 401 rm -f .gitignore 402 git init 403 check_git_config 404 git add . 405 git commit -q -m "baseline commit: creating repo for ${PN}-${PV}" 406 git clean -d -f 407 fi 408 409 set -e 410} 411do_kernel_checkout[dirs] = "${S} ${WORKDIR}" 412 413addtask kernel_checkout before do_kernel_metadata after do_symlink_kernsrc 414addtask kernel_metadata after do_validate_branches do_unpack before do_patch 415do_kernel_metadata[depends] = "kern-tools-native:do_populate_sysroot" 416do_kernel_metadata[file-checksums] = " ${@get_dirs_with_fragments(d)}" 417do_validate_branches[depends] = "kern-tools-native:do_populate_sysroot" 418 419do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}binutils:do_populate_sysroot" 420do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}gcc:do_populate_sysroot" 421do_kernel_configme[depends] += "bc-native:do_populate_sysroot bison-native:do_populate_sysroot" 422do_kernel_configme[depends] += "kern-tools-native:do_populate_sysroot" 423do_kernel_configme[dirs] += "${S} ${B}" 424do_kernel_configme() { 425 do_kernel_metadata config 426 427 # translate the kconfig_mode into something that merge_config.sh 428 # understands 429 case ${KCONFIG_MODE} in 430 *allnoconfig) 431 config_flags="-n" 432 ;; 433 *alldefconfig) 434 config_flags="" 435 ;; 436 *) 437 if [ -f ${WORKDIR}/defconfig ]; then 438 config_flags="-n" 439 fi 440 ;; 441 esac 442 443 cd ${S} 444 445 meta_dir=$(kgit --meta) 446 configs="$(scc --configs -o ${meta_dir})" 447 if [ $? -ne 0 ]; then 448 bberror "${configs}" 449 bbfatal_log "Could not find configuration queue (${meta_dir}/config.queue)" 450 fi 451 452 CFLAGS="${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>&1 453 if [ $? -ne 0 -o ! -f ${B}/.config ]; then 454 bberror "Could not generate a .config for ${KMACHINE}-${LINUX_KERNEL_TYPE}" 455 if [ ${KCONF_AUDIT_LEVEL} -gt 1 ]; then 456 bbfatal_log "`cat ${meta_dir}/cfg/merge_config_build.log`" 457 else 458 bbfatal_log "Details can be found at: ${S}/${meta_dir}/cfg/merge_config_build.log" 459 fi 460 fi 461 462 if [ ! -z "${LINUX_VERSION_EXTENSION}" ]; then 463 echo "# Global settings from linux recipe" >> ${B}/.config 464 echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config 465 fi 466} 467 468addtask kernel_configme before do_configure after do_patch 469addtask config_analysis 470 471do_config_analysis[depends] = "virtual/kernel:do_configure" 472do_config_analysis[depends] += "kern-tools-native:do_populate_sysroot" 473 474CONFIG_AUDIT_FILE ?= "${WORKDIR}/config-audit.txt" 475CONFIG_ANALYSIS_FILE ?= "${WORKDIR}/config-analysis.txt" 476 477python do_config_analysis() { 478 import re, string, sys, subprocess 479 480 s = d.getVar('S') 481 482 env = os.environ.copy() 483 env['PATH'] = "%s:%s%s" % (d.getVar('PATH'), s, "/scripts/util/") 484 env['LD'] = d.getVar('KERNEL_LD') 485 env['CC'] = d.getVar('KERNEL_CC') 486 env['ARCH'] = d.getVar('ARCH') 487 env['srctree'] = s 488 489 # read specific symbols from the kernel recipe or from local.conf 490 # i.e.: CONFIG_ANALYSIS:pn-linux-yocto-dev = 'NF_CONNTRACK LOCALVERSION' 491 config = d.getVar( 'CONFIG_ANALYSIS' ) 492 if not config: 493 config = [ "" ] 494 else: 495 config = config.split() 496 497 for c in config: 498 for action in ["analysis","audit"]: 499 if action == "analysis": 500 try: 501 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--blame', c], cwd=s, env=env ).decode('utf-8') 502 except subprocess.CalledProcessError as e: 503 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 504 505 outfile = d.getVar( 'CONFIG_ANALYSIS_FILE' ) 506 507 if action == "audit": 508 try: 509 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--summary', '--extended', '--sanity', c], cwd=s, env=env ).decode('utf-8') 510 except subprocess.CalledProcessError as e: 511 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 512 513 outfile = d.getVar( 'CONFIG_AUDIT_FILE' ) 514 515 if c: 516 outdir = os.path.dirname( outfile ) 517 outname = os.path.basename( outfile ) 518 outfile = outdir + '/'+ c + '-' + outname 519 520 if config and os.path.isfile(outfile): 521 os.remove(outfile) 522 523 with open(outfile, 'w+') as f: 524 f.write( analysis ) 525 526 bb.warn( "Configuration {} executed, see: {} for details".format(action,outfile )) 527 if c: 528 bb.warn( analysis ) 529} 530 531python do_kernel_configcheck() { 532 import re, string, sys, subprocess 533 534 s = d.getVar('S') 535 536 # if KMETA isn't set globally by a recipe using this routine, use kgit to 537 # locate or create the meta directory. Otherwise, kconf_check is not 538 # passed a valid meta-series for processing 539 kmeta = d.getVar("KMETA") 540 if not kmeta or not os.path.exists('{}/{}'.format(s,kmeta)): 541 kmeta = subprocess.check_output(['kgit', '--meta'], cwd=d.getVar('S')).decode('utf-8').rstrip() 542 543 env = os.environ.copy() 544 env['PATH'] = "%s:%s%s" % (d.getVar('PATH'), s, "/scripts/util/") 545 env['LD'] = d.getVar('KERNEL_LD') 546 env['CC'] = d.getVar('KERNEL_CC') 547 env['ARCH'] = d.getVar('ARCH') 548 env['srctree'] = s 549 550 try: 551 configs = subprocess.check_output(['scc', '--configs', '-o', s + '/.kernel-meta'], env=env).decode('utf-8') 552 except subprocess.CalledProcessError as e: 553 bb.fatal( "Cannot gather config fragments for audit: %s" % e.output.decode("utf-8") ) 554 555 config_check_visibility = int(d.getVar("KCONF_AUDIT_LEVEL") or 0) 556 bsp_check_visibility = int(d.getVar("KCONF_BSP_AUDIT_LEVEL") or 0) 557 kmeta_audit_werror = d.getVar("KMETA_AUDIT_WERROR") or "" 558 warnings_detected = False 559 560 # if config check visibility is "1", that's the lowest level of audit. So 561 # we add the --classify option to the run, since classification will 562 # streamline the output to only report options that could be boot issues, 563 # or are otherwise required for proper operation. 564 extra_params = "" 565 if config_check_visibility == 1: 566 extra_params = "--classify" 567 568 # category #1: mismatches 569 try: 570 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--mismatches', extra_params], cwd=s, env=env ).decode('utf-8') 571 except subprocess.CalledProcessError as e: 572 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 573 574 if analysis: 575 outfile = "{}/{}/cfg/mismatch.txt".format( s, kmeta ) 576 if os.path.isfile(outfile): 577 os.remove(outfile) 578 with open(outfile, 'w+') as f: 579 f.write( analysis ) 580 581 if config_check_visibility and os.stat(outfile).st_size > 0: 582 with open (outfile, "r") as myfile: 583 results = myfile.read() 584 bb.warn( "[kernel config]: specified values did not make it into the kernel's final configuration:\n\n%s" % results) 585 warnings_detected = True 586 587 # category #2: invalid fragment elements 588 extra_params = "" 589 if bsp_check_visibility > 1: 590 extra_params = "--strict" 591 try: 592 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--invalid', extra_params], cwd=s, env=env ).decode('utf-8') 593 except subprocess.CalledProcessError as e: 594 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 595 596 if analysis: 597 outfile = "{}/{}/cfg/invalid.txt".format(s,kmeta) 598 if os.path.isfile(outfile): 599 os.remove(outfile) 600 with open(outfile, 'w+') as f: 601 f.write( analysis ) 602 603 if bsp_check_visibility and os.stat(outfile).st_size > 0: 604 with open (outfile, "r") as myfile: 605 results = myfile.read() 606 bb.warn( "[kernel config]: This BSP contains fragments with warnings:\n\n%s" % results) 607 warnings_detected = True 608 609 # category #3: redefined options (this is pretty verbose and is debug only) 610 try: 611 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--sanity'], cwd=s, env=env ).decode('utf-8') 612 except subprocess.CalledProcessError as e: 613 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 614 615 if analysis: 616 outfile = "{}/{}/cfg/redefinition.txt".format(s,kmeta) 617 if os.path.isfile(outfile): 618 os.remove(outfile) 619 with open(outfile, 'w+') as f: 620 f.write( analysis ) 621 622 # if the audit level is greater than two, we report if a fragment has overriden 623 # a value from a base fragment. This is really only used for new kernel introduction 624 if bsp_check_visibility > 2 and os.stat(outfile).st_size > 0: 625 with open (outfile, "r") as myfile: 626 results = myfile.read() 627 bb.warn( "[kernel config]: This BSP has configuration options defined in more than one config, with differing values:\n\n%s" % results) 628 warnings_detected = True 629 630 if warnings_detected and kmeta_audit_werror: 631 bb.fatal( "configuration warnings detected, werror is set, promoting to fatal" ) 632} 633 634# Ensure that the branches (BSP and meta) are on the locations specified by 635# their SRCREV values. If they are NOT on the right commits, the branches 636# are corrected to the proper commit. 637do_validate_branches() { 638 set +e 639 cd ${S} 640 641 machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" 642 machine_srcrev="${SRCREV_machine}" 643 644 # if SRCREV is AUTOREV it shows up as AUTOINC there's nothing to 645 # check and we can exit early 646 if [ "${machine_srcrev}" = "AUTOINC" ]; then 647 linux_yocto_dev='${@oe.utils.conditional("PREFERRED_PROVIDER_virtual/kernel", "linux-yocto-dev", "1", "", d)}' 648 if [ -n "$linux_yocto_dev" ]; then 649 git checkout -q -f ${machine_branch} 650 ver=$(grep "^VERSION =" ${S}/Makefile | sed s/.*=\ *//) 651 patchlevel=$(grep "^PATCHLEVEL =" ${S}/Makefile | sed s/.*=\ *//) 652 sublevel=$(grep "^SUBLEVEL =" ${S}/Makefile | sed s/.*=\ *//) 653 kver="$ver.$patchlevel" 654 bbnote "dev kernel: performing version -> branch -> SRCREV validation" 655 bbnote "dev kernel: recipe version ${LINUX_VERSION}, src version: $kver" 656 echo "${LINUX_VERSION}" | grep -q $kver 657 if [ $? -ne 0 ]; then 658 version="$(echo ${LINUX_VERSION} | sed 's/\+.*$//g')" 659 versioned_branch="v$version/$machine_branch" 660 661 machine_branch=$versioned_branch 662 force_srcrev="$(git rev-parse $machine_branch 2> /dev/null)" 663 if [ $? -ne 0 ]; then 664 bbfatal "kernel version mismatch detected, and no valid branch $machine_branch detected" 665 fi 666 667 bbnote "dev kernel: adjusting branch to $machine_branch, srcrev to: $force_srcrev" 668 fi 669 else 670 bbnote "SRCREV validation is not required for AUTOREV" 671 fi 672 elif [ "${machine_srcrev}" = "" ]; then 673 if [ "${SRCREV}" != "AUTOINC" ] && [ "${SRCREV}" != "INVALID" ]; then 674 # SRCREV_machine_<MACHINE> was not set. This means that a custom recipe 675 # that doesn't use the SRCREV_FORMAT "machine_meta" is being built. In 676 # this case, we need to reset to the give SRCREV before heading to patching 677 bbnote "custom recipe is being built, forcing SRCREV to ${SRCREV}" 678 force_srcrev="${SRCREV}" 679 fi 680 else 681 git cat-file -t ${machine_srcrev} > /dev/null 682 if [ $? -ne 0 ]; then 683 bberror "${machine_srcrev} is not a valid commit ID." 684 bbfatal_log "The kernel source tree may be out of sync" 685 fi 686 force_srcrev=${machine_srcrev} 687 fi 688 689 git checkout -q -f ${machine_branch} 690 if [ -n "${force_srcrev}" ]; then 691 # see if the branch we are about to patch has been properly reset to the defined 692 # SRCREV .. if not, we reset it. 693 branch_head=`git rev-parse HEAD` 694 if [ "${force_srcrev}" != "${branch_head}" ]; then 695 current_branch=`git rev-parse --abbrev-ref HEAD` 696 git branch "$current_branch-orig" 697 git reset --hard ${force_srcrev} 698 # We've checked out HEAD, make sure we cleanup kgit-s2q fence post check 699 # so the patches are applied as expected otherwise no patching 700 # would be done in some corner cases. 701 kgit-s2q --clean 702 fi 703 fi 704 705 set -e 706} 707 708OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT" 709KBUILD_OUTPUT = "${B}" 710 711python () { 712 # If diffconfig is available, ensure it runs after kernel_configme 713 if 'do_diffconfig' in d: 714 bb.build.addtask('do_diffconfig', None, 'do_kernel_configme', d) 715 716 externalsrc = d.getVar('EXTERNALSRC') 717 if externalsrc: 718 # If we deltask do_patch, do_kernel_configme is left without 719 # dependencies and runs too early 720 d.setVarFlag('do_kernel_configme', 'deps', (d.getVarFlag('do_kernel_configme', 'deps', False) or []) + ['do_unpack']) 721} 722 723# extra tasks 724addtask kernel_version_sanity_check after do_kernel_metadata do_kernel_checkout before do_compile 725addtask validate_branches before do_patch after do_kernel_checkout 726addtask kernel_configcheck after do_configure before do_compile 727