1# 2# Copyright OpenEmbedded Contributors 3# 4# SPDX-License-Identifier: MIT 5# 6 7# remove tasks that modify the source tree in case externalsrc is inherited 8SRCTREECOVEREDTASKS += "do_validate_branches do_kernel_configcheck do_kernel_checkout do_fetch do_unpack do_patch" 9PATCH_GIT_USER_EMAIL ?= "kernel-yocto@oe" 10PATCH_GIT_USER_NAME ?= "OpenEmbedded" 11 12# The distro or local.conf should set this, but if nobody cares... 13LINUX_KERNEL_TYPE ??= "standard" 14 15# KMETA ?= "" 16KBRANCH ?= "master" 17KMACHINE ?= "${MACHINE}" 18SRCREV_FORMAT ?= "meta_machine" 19 20# LEVELS: 21# 0: no reporting 22# 1: report options that are specified, but not in the final config 23# 2: report options that are not hardware related, but set by a BSP 24KCONF_AUDIT_LEVEL ?= "1" 25KCONF_BSP_AUDIT_LEVEL ?= "0" 26KMETA_AUDIT ?= "yes" 27KMETA_AUDIT_WERROR ?= "" 28KMETA_CONFIG_FEATURES ?= "" 29 30# returns local (absolute) path names for all valid patches in the 31# src_uri 32def find_patches(d,subdir): 33 patches = src_patches(d) 34 patch_list=[] 35 for p in patches: 36 _, _, local, _, _, parm = bb.fetch.decodeurl(p) 37 # if patchdir has been passed, we won't be able to apply it so skip 38 # the patch for now, and special processing happens later 39 patchdir = '' 40 if "patchdir" in parm: 41 patchdir = parm["patchdir"] 42 if subdir: 43 if subdir == patchdir: 44 patch_list.append(local) 45 else: 46 # skip the patch if a patchdir was supplied, it won't be handled 47 # properly 48 if not patchdir: 49 patch_list.append(local) 50 51 return patch_list 52 53# returns all the elements from the src uri that are .scc files 54def find_sccs(d): 55 sources=src_patches(d, True) 56 sources_list=[] 57 for s in sources: 58 base, ext = os.path.splitext(os.path.basename(s)) 59 if ext and ext in [".scc", ".cfg"]: 60 sources_list.append(s) 61 elif base and 'defconfig' in base: 62 sources_list.append(s) 63 64 return sources_list 65 66# check the SRC_URI for "kmeta" type'd git repositories and directories. Return 67# the name of the repository or directory as it will be found in UNPACKDIR 68def find_kernel_feature_dirs(d): 69 feature_dirs=[] 70 fetch = bb.fetch2.Fetch([], d) 71 for url in fetch.urls: 72 urldata = fetch.ud[url] 73 parm = urldata.parm 74 type="" 75 destdir = "" 76 if "type" in parm: 77 type = parm["type"] 78 if "destsuffix" in parm: 79 destdir = parm["destsuffix"] 80 elif urldata.type == "file": 81 destdir = urldata.basepath 82 if type == "kmeta" and destdir: 83 feature_dirs.append(destdir) 84 85 return feature_dirs 86 87# find the master/machine source branch. In the same way that the fetcher proceses 88# git repositories in the SRC_URI we take the first repo found, first branch. 89def get_machine_branch(d, default): 90 fetch = bb.fetch2.Fetch([], d) 91 for url in fetch.urls: 92 urldata = fetch.ud[url] 93 parm = urldata.parm 94 if "branch" in parm: 95 branches = urldata.parm.get("branch").split(',') 96 btype = urldata.parm.get("type") 97 if btype != "kmeta": 98 return branches[0] 99 100 return default 101 102# returns a list of all directories that are on FILESEXTRAPATHS (and 103# hence available to the build) that contain .scc or .cfg files 104def get_dirs_with_fragments(d): 105 extrapaths = [] 106 extrafiles = [] 107 extrapathsvalue = (d.getVar("FILESEXTRAPATHS") or "") 108 # Remove default flag which was used for checking 109 extrapathsvalue = extrapathsvalue.replace("__default:", "") 110 extrapaths = extrapathsvalue.split(":") 111 for path in extrapaths: 112 if path + ":True" not in extrafiles: 113 extrafiles.append(path + ":" + str(os.path.exists(path))) 114 115 return " ".join(extrafiles) 116 117do_kernel_metadata() { 118 set +e 119 120 if [ -n "$1" ]; then 121 mode="$1" 122 else 123 mode="patch" 124 fi 125 126 cd ${S} 127 export KMETA=${KMETA} 128 129 bbnote "do_kernel_metadata: for summary/debug, set KCONF_AUDIT_LEVEL > 0" 130 131 # if kernel tools are available in-tree, they are preferred 132 # and are placed on the path before any external tools. Unless 133 # the external tools flag is set, in that case we do nothing. 134 if [ -f "${S}/scripts/util/configme" ]; then 135 if [ -z "${EXTERNAL_KERNEL_TOOLS}" ]; then 136 PATH=${S}/scripts/util:${PATH} 137 fi 138 fi 139 140 # In a similar manner to the kernel itself: 141 # 142 # defconfig: $(obj)/conf 143 # ifeq ($(KBUILD_DEFCONFIG),) 144 # $< --defconfig $(Kconfig) 145 # else 146 # @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'" 147 # $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig) 148 # endif 149 # 150 # If a defconfig is specified via the KBUILD_DEFCONFIG variable, we copy it 151 # from the source tree, into a common location and normalized "defconfig" name, 152 # where the rest of the process will include and incoroporate it into the build 153 # 154 if [ -n "${KBUILD_DEFCONFIG}" ]; then 155 if [ -f "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" ]; then 156 if [ -f "${UNPACKDIR}/defconfig" ]; then 157 # If the two defconfig's are different, warn that we overwrote the 158 # one already placed in UNPACKDIR 159 cmp "${UNPACKDIR}/defconfig" "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" 160 if [ $? -ne 0 ]; then 161 bbdebug 1 "detected SRC_URI or patched defconfig in UNPACKDIR. ${KBUILD_DEFCONFIG} copied over it" 162 fi 163 fi 164 cp -f ${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG} ${UNPACKDIR}/defconfig 165 in_tree_defconfig="${UNPACKDIR}/defconfig" 166 else 167 bbfatal "A KBUILD_DEFCONFIG '${KBUILD_DEFCONFIG}' was specified, but not present in the source tree (${S}/arch/${ARCH}/configs/)" 168 fi 169 fi 170 171 if [ "$mode" = "patch" ]; then 172 # was anyone trying to patch the kernel meta data ?, we need to do 173 # this here, since the scc commands migrate the .cfg fragments to the 174 # kernel source tree, where they'll be used later. 175 check_git_config 176 patches="${@" ".join(find_patches(d,'kernel-meta'))}" 177 if [ -n "$patches" ]; then 178 ( 179 cd ${UNPACKDIR}/kernel-meta 180 181 # take the SRC_URI patches, and create a series file 182 # this is required to support some better processing 183 # of issues with the patches 184 rm -f series 185 for p in $patches; do 186 cp $p . 187 echo "$(basename $p)" >> series 188 done 189 190 # process the series with kgit-s2q, which is what is 191 # handling the rest of the kernel. This allows us 192 # more flexibility for handling failures or advanced 193 # mergeing functinoality 194 message=$(kgit-s2q --gen -v --patches ${UNPACKDIR}/kernel-meta 2>&1) 195 if [ $? -ne 0 ]; then 196 # setup to try the patch again 197 kgit-s2q --prev 198 bberror "Problem applying patches to: ${UNPACKDIR}/kernel-meta" 199 bbfatal_log "\n($message)" 200 fi 201 ) 202 fi 203 fi 204 205 sccs_from_src_uri="${@" ".join(find_sccs(d))}" 206 patches="${@" ".join(find_patches(d,''))}" 207 feat_dirs="${@" ".join(find_kernel_feature_dirs(d))}" 208 209 # a quick check to make sure we don't have duplicate defconfigs If 210 # there's a defconfig in the SRC_URI, did we also have one from the 211 # KBUILD_DEFCONFIG processing above ? 212 src_uri_defconfig=$(echo $sccs_from_src_uri | awk '(match($0, "defconfig") != 0) { print $0 }' RS=' ') 213 # drop and defconfig's from the src_uri variable, we captured it just above here if it existed 214 sccs_from_src_uri=$(echo $sccs_from_src_uri | awk '(match($0, "defconfig") == 0) { print $0 }' RS=' ') 215 216 if [ -n "$in_tree_defconfig" ]; then 217 sccs_defconfig=$in_tree_defconfig 218 if [ -n "$src_uri_defconfig" ]; then 219 bbwarn "[NOTE]: defconfig was supplied both via KBUILD_DEFCONFIG and SRC_URI. Dropping SRC_URI entry $src_uri_defconfig" 220 fi 221 else 222 # if we didn't have an in-tree one, make our defconfig the one 223 # from the src_uri. Note: there may not have been one from the 224 # src_uri, so this can be an empty variable. 225 sccs_defconfig=$src_uri_defconfig 226 fi 227 sccs="$sccs_from_src_uri" 228 229 # check for feature directories/repos/branches that were part of the 230 # SRC_URI. If they were supplied, we convert them into include directives 231 # for the update part of the process 232 for f in ${feat_dirs}; do 233 if [ -d "${UNPACKDIR}/$f/kernel-meta" ]; then 234 includes="$includes -I${UNPACKDIR}/$f/kernel-meta" 235 elif [ -d "${UNPACKDIR}/$f" ]; then 236 includes="$includes -I${UNPACKDIR}/$f" 237 fi 238 done 239 for s in ${sccs} ${patches}; do 240 sdir=$(dirname $s) 241 includes="$includes -I${sdir}" 242 # if a SRC_URI passed patch or .scc has a subdir of "kernel-meta", 243 # then we add it to the search path 244 if [ -d "${sdir}/kernel-meta" ]; then 245 includes="$includes -I${sdir}/kernel-meta" 246 fi 247 done 248 249 # allow in-tree config fragments to be used in KERNEL_FEATURES 250 includes="$includes -I${S}/arch/${ARCH}/configs -I${S}/kernel/configs" 251 252 # expand kernel features into their full path equivalents 253 bsp_definition=$(spp ${includes} --find -DKMACHINE=${KMACHINE} -DKTYPE=${LINUX_KERNEL_TYPE}) 254 if [ -z "$bsp_definition" ]; then 255 if [ -z "$sccs_defconfig" ]; then 256 bbfatal_log "Could not locate BSP definition for ${KMACHINE}/${LINUX_KERNEL_TYPE} and no defconfig was provided" 257 fi 258 else 259 # if the bsp definition has "define KMETA_EXTERNAL_BSP t", 260 # then we need to set a flag that will instruct the next 261 # steps to use the BSP as both configuration and patches. 262 grep -q KMETA_EXTERNAL_BSP $bsp_definition 263 if [ $? -eq 0 ]; then 264 KMETA_EXTERNAL_BSPS="t" 265 fi 266 fi 267 meta_dir=$(kgit --meta) 268 269 KERNEL_FEATURES_FINAL="" 270 if [ -n "${KERNEL_FEATURES}" ]; then 271 for feature in ${KERNEL_FEATURES}; do 272 feature_as_specified="$feature" 273 feature="$(echo $feature_as_specified | cut -d: -f1)" 274 feature_specifier="$(echo $feature_as_specified | cut -d: -f2)" 275 feature_found=f 276 for d in $includes; do 277 path_to_check=$(echo $d | sed 's/^-I//') 278 if [ "$feature_found" = "f" ] && [ -e "$path_to_check/$feature" ]; then 279 feature_found=t 280 fi 281 done 282 if [ "$feature_found" = "f" ]; then 283 if [ -n "${KERNEL_DANGLING_FEATURES_WARN_ONLY}" ]; then 284 bbwarn "Feature '$feature' not found, but KERNEL_DANGLING_FEATURES_WARN_ONLY is set" 285 bbwarn "This may cause runtime issues, dropping feature and allowing configuration to continue" 286 else 287 bberror "Feature '$feature' not found, this will cause configuration failures." 288 bberror "Check the SRC_URI for meta-data repositories or directories that may be missing" 289 bbfatal_log "Set KERNEL_DANGLING_FEATURES_WARN_ONLY to ignore this issue" 290 fi 291 else 292 KERNEL_FEATURES_FINAL="$KERNEL_FEATURES_FINAL $feature_as_specified" 293 fi 294 done 295 fi 296 297 if [ "$mode" = "config" ]; then 298 # run1: pull all the configuration fragments, no matter where they come from 299 elements="`echo -n ${bsp_definition} $sccs_defconfig ${sccs} ${patches} $KERNEL_FEATURES_FINAL`" 300 if [ -n "${elements}" ]; then 301 echo "${bsp_definition}" > ${S}/${meta_dir}/bsp_definition 302 echo "${KMETA_CONFIG_FEATURES}" | grep -q "prefer-modules" 303 if [ $? -eq 0 ]; then 304 scc_defines="-DMODULE_OR_Y=m" 305 fi 306 scc --force $scc_defines -o ${S}/${meta_dir}:cfg,merge,meta ${includes} $sccs_defconfig $bsp_definition $sccs $patches $KERNEL_FEATURES_FINAL 307 if [ $? -ne 0 ]; then 308 bbfatal_log "Could not generate configuration queue for ${KMACHINE}." 309 fi 310 fi 311 fi 312 313 # if KMETA_EXTERNAL_BSPS has been set, or it has been detected from 314 # the bsp definition, then we inject the bsp_definition into the 315 # patch phase below. we'll piggy back on the sccs variable. 316 if [ -n "${KMETA_EXTERNAL_BSPS}" ]; then 317 sccs="${bsp_definition} ${sccs}" 318 fi 319 320 if [ "$mode" = "patch" ]; then 321 # run2: only generate patches for elements that have been passed on the SRC_URI 322 elements="`echo -n ${sccs} ${patches} $KERNEL_FEATURES_FINAL`" 323 if [ -n "${elements}" ]; then 324 scc --force -o ${S}/${meta_dir}:patch --cmds patch ${includes} ${sccs} ${patches} $KERNEL_FEATURES_FINAL 325 if [ $? -ne 0 ]; then 326 bbfatal_log "Could not generate configuration queue for ${KMACHINE}." 327 fi 328 fi 329 fi 330 331 if [ ${KCONF_AUDIT_LEVEL} -gt 0 ]; then 332 bbnote "kernel meta data summary for ${KMACHINE} (${LINUX_KERNEL_TYPE}):" 333 bbnote "======================================================================" 334 if [ -n "${KMETA_EXTERNAL_BSPS}" ]; then 335 bbnote "Non kernel-cache (external) bsp" 336 fi 337 bbnote "BSP entry point / definition: $bsp_definition" 338 if [ -n "$in_tree_defconfig" ]; then 339 bbnote "KBUILD_DEFCONFIG: ${KBUILD_DEFCONFIG}" 340 fi 341 bbnote "Fragments from SRC_URI: $sccs_from_src_uri" 342 bbnote "KERNEL_FEATURES: $KERNEL_FEATURES_FINAL" 343 bbnote "Final scc/cfg list: $sccs_defconfig $bsp_definition $sccs $KERNEL_FEATURES_FINAL" 344 fi 345 346 set -e 347} 348 349do_patch() { 350 set +e 351 cd ${S} 352 353 check_git_config 354 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then 355 reproducible_git_committer_author 356 fi 357 meta_dir=$(kgit --meta) 358 (cd ${meta_dir}; ln -sf patch.queue series) 359 if [ -f "${meta_dir}/series" ]; then 360 kgit_extra_args="" 361 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then 362 kgit_extra_args="--commit-sha author" 363 fi 364 kgit-s2q --gen -v $kgit_extra_args --patches .kernel-meta/ 365 if [ $? -ne 0 ]; then 366 bberror "Could not apply patches for ${KMACHINE}." 367 bbfatal_log "Patch failures can be resolved in the linux source directory ${S})" 368 fi 369 fi 370 371 if [ -f "${meta_dir}/merge.queue" ]; then 372 # we need to merge all these branches 373 for b in $(cat ${meta_dir}/merge.queue); do 374 git show-ref --verify --quiet refs/heads/${b} 375 if [ $? -eq 0 ]; then 376 bbnote "Merging branch ${b}" 377 git merge -q --no-ff -m "Merge branch ${b}" ${b} 378 else 379 bbfatal "branch ${b} does not exist, cannot merge" 380 fi 381 done 382 fi 383 384 set -e 385} 386 387do_kernel_checkout() { 388 set +e 389 390 source_dir=`echo ${S} | sed 's%/$%%'` 391 source_workdir="${UNPACKDIR}/git" 392 if [ -d "${UNPACKDIR}/git/" ]; then 393 # case: git repository 394 # if S is WORKDIR/git, then we shouldn't be moving or deleting the tree. 395 if [ "${source_dir}" != "${source_workdir}" ]; then 396 if [ -d "${source_workdir}/.git" ]; then 397 # regular git repository with .git 398 rm -rf ${S} 399 mv ${UNPACKDIR}/git ${S} 400 else 401 # create source for bare cloned git repository 402 git clone ${WORKDIR}/git ${S} 403 rm -rf ${UNPACKDIR}/git 404 fi 405 fi 406 cd ${S} 407 408 # convert any remote branches to local tracking ones 409 for i in `git branch -a --no-color | grep remotes | grep -v HEAD`; do 410 b=`echo $i | cut -d' ' -f2 | sed 's%remotes/origin/%%'`; 411 git show-ref --quiet --verify -- "refs/heads/$b" 412 if [ $? -ne 0 ]; then 413 git branch $b $i > /dev/null 414 fi 415 done 416 417 # Create a working tree copy of the kernel by checking out a branch 418 machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" 419 420 # checkout and clobber any unimportant files 421 git checkout -f ${machine_branch} 422 else 423 # case: we have no git repository at all. 424 # To support low bandwidth options for building the kernel, we'll just 425 # convert the tree to a git repo and let the rest of the process work unchanged 426 427 # if ${S} hasn't been set to the proper subdirectory a default of "linux" is 428 # used, but we can't initialize that empty directory. So check it and throw a 429 # clear error 430 431 cd ${S} 432 if [ ! -f "Makefile" ]; then 433 bberror "S is not set to the linux source directory. Check " 434 bbfatal "the recipe and set S to the proper extracted subdirectory" 435 fi 436 rm -f .gitignore 437 git init 438 check_git_config 439 if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then 440 reproducible_git_committer_author 441 fi 442 git add . 443 git commit -q -n -m "baseline commit: creating repo for ${PN}-${PV}" 444 git clean -d -f 445 fi 446 447 set -e 448} 449do_kernel_checkout[dirs] = "${S} ${UNPACKDIR}" 450 451addtask kernel_checkout before do_kernel_metadata after do_symlink_kernsrc 452addtask kernel_metadata after do_validate_branches do_unpack before do_patch 453do_kernel_metadata[depends] = "kern-tools-native:do_populate_sysroot" 454do_kernel_metadata[file-checksums] = " ${@get_dirs_with_fragments(d)}" 455do_validate_branches[depends] = "kern-tools-native:do_populate_sysroot" 456 457# ${S} doesn't exist for us at unpack 458do_qa_unpack() { 459 return 460} 461 462do_kernel_configme[depends] += "virtual/cross-binutils:do_populate_sysroot" 463do_kernel_configme[depends] += "virtual/cross-cc:do_populate_sysroot" 464do_kernel_configme[depends] += "bc-native:do_populate_sysroot bison-native:do_populate_sysroot" 465do_kernel_configme[depends] += "kern-tools-native:do_populate_sysroot" 466do_kernel_configme[dirs] += "${S} ${B}" 467do_kernel_configme() { 468 do_kernel_metadata config 469 470 # translate the kconfig_mode into something that merge_config.sh 471 # understands 472 case ${KCONFIG_MODE} in 473 *allnoconfig) 474 config_flags="-n" 475 ;; 476 *alldefconfig) 477 config_flags="" 478 ;; 479 *) 480 if [ -f ${UNPACKDIR}/defconfig ]; then 481 config_flags="-n" 482 fi 483 ;; 484 esac 485 486 cd ${S} 487 488 meta_dir=$(kgit --meta) 489 configs="$(scc --configs -o ${meta_dir})" 490 if [ $? -ne 0 ]; then 491 bberror "${configs}" 492 bbfatal_log "Could not find configuration queue (${meta_dir}/config.queue)" 493 fi 494 495 CFLAGS="${CFLAGS} ${TOOLCHAIN_OPTIONS}" HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}" CC="${KERNEL_CC}" LD="${KERNEL_LD}" OBJCOPY="${KERNEL_OBJCOPY}" STRIP="${KERNEL_STRIP}" ARCH=${ARCH} merge_config.sh -O ${B} ${config_flags} ${configs} > ${meta_dir}/cfg/merge_config_build.log 2>&1 496 if [ $? -ne 0 -o ! -f ${B}/.config ]; then 497 bberror "Could not generate a .config for ${KMACHINE}-${LINUX_KERNEL_TYPE}" 498 if [ ${KCONF_AUDIT_LEVEL} -gt 1 ]; then 499 bbfatal_log "`cat ${meta_dir}/cfg/merge_config_build.log`" 500 else 501 bbfatal_log "Details can be found at: ${S}/${meta_dir}/cfg/merge_config_build.log" 502 fi 503 fi 504 505 if [ ! -z "${LINUX_VERSION_EXTENSION}" ]; then 506 echo "# Global settings from linux recipe" >> ${B}/.config 507 echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config 508 fi 509} 510 511addtask kernel_configme before do_configure after do_patch 512addtask config_analysis 513 514do_config_analysis[depends] = "virtual/kernel:do_configure" 515do_config_analysis[depends] += "kern-tools-native:do_populate_sysroot" 516 517CONFIG_AUDIT_FILE ?= "${WORKDIR}/config-audit.txt" 518CONFIG_ANALYSIS_FILE ?= "${WORKDIR}/config-analysis.txt" 519 520python do_config_analysis() { 521 import re, string, sys, subprocess 522 523 s = d.getVar('S') 524 525 env = os.environ.copy() 526 env['PATH'] = "%s:%s%s" % (d.getVar('PATH'), s, "/scripts/util/") 527 env['LD'] = d.getVar('KERNEL_LD') 528 env['CC'] = d.getVar('KERNEL_CC') 529 env['OBJCOPY'] = d.getVar('KERNEL_OBJCOPY') 530 env['STRIP'] = d.getVar('KERNEL_STRIP') 531 env['ARCH'] = d.getVar('ARCH') 532 env['srctree'] = s 533 534 # read specific symbols from the kernel recipe or from local.conf 535 # i.e.: CONFIG_ANALYSIS:pn-linux-yocto-dev = 'NF_CONNTRACK LOCALVERSION' 536 config = d.getVar( 'CONFIG_ANALYSIS' ) 537 if not config: 538 config = [ "" ] 539 else: 540 config = config.split() 541 542 for c in config: 543 for action in ["analysis","audit"]: 544 if action == "analysis": 545 try: 546 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--blame', c], cwd=s, env=env ).decode('utf-8') 547 except subprocess.CalledProcessError as e: 548 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 549 550 outfile = d.getVar( 'CONFIG_ANALYSIS_FILE' ) 551 552 if action == "audit": 553 try: 554 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--summary', '--extended', '--sanity', c], cwd=s, env=env ).decode('utf-8') 555 except subprocess.CalledProcessError as e: 556 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 557 558 outfile = d.getVar( 'CONFIG_AUDIT_FILE' ) 559 560 if c: 561 outdir = os.path.dirname( outfile ) 562 outname = os.path.basename( outfile ) 563 outfile = outdir + '/'+ c + '-' + outname 564 565 if config and os.path.isfile(outfile): 566 os.remove(outfile) 567 568 with open(outfile, 'w+') as f: 569 f.write( analysis ) 570 571 bb.warn( "Configuration {} executed, see: {} for details".format(action,outfile )) 572 if c: 573 bb.warn( analysis ) 574} 575 576python do_kernel_configcheck() { 577 import re, string, sys, subprocess 578 579 audit_flag = d.getVar( "KMETA_AUDIT" ) 580 if not audit_flag: 581 bb.note( "kernel config audit disabled, skipping .." ) 582 return 583 584 s = d.getVar('S') 585 586 # if KMETA isn't set globally by a recipe using this routine, use kgit to 587 # locate or create the meta directory. Otherwise, kconf_check is not 588 # passed a valid meta-series for processing 589 kmeta = d.getVar("KMETA") 590 if not kmeta or not os.path.exists('{}/{}'.format(s,kmeta)): 591 kmeta = subprocess.check_output(['kgit', '--meta'], cwd=d.getVar('S')).decode('utf-8').rstrip() 592 593 env = os.environ.copy() 594 env['PATH'] = "%s:%s%s" % (d.getVar('PATH'), s, "/scripts/util/") 595 env['LD'] = d.getVar('KERNEL_LD') 596 env['CC'] = d.getVar('KERNEL_CC') 597 env['OBJCOPY'] = d.getVar('KERNEL_OBJCOPY') 598 env['STRIP'] = d.getVar('KERNEL_STRIP') 599 env['ARCH'] = d.getVar('ARCH') 600 env['srctree'] = s 601 602 try: 603 configs = subprocess.check_output(['scc', '--configs', '-o', s + '/.kernel-meta'], env=env).decode('utf-8') 604 except subprocess.CalledProcessError as e: 605 bb.fatal( "Cannot gather config fragments for audit: %s" % e.output.decode("utf-8") ) 606 607 config_check_visibility = int(d.getVar("KCONF_AUDIT_LEVEL") or 0) 608 bsp_check_visibility = int(d.getVar("KCONF_BSP_AUDIT_LEVEL") or 0) 609 kmeta_audit_werror = d.getVar("KMETA_AUDIT_WERROR") or "" 610 warnings_detected = False 611 612 # if config check visibility is "1", that's the lowest level of audit. So 613 # we add the --classify option to the run, since classification will 614 # streamline the output to only report options that could be boot issues, 615 # or are otherwise required for proper operation. 616 extra_params = "" 617 if config_check_visibility == 1: 618 extra_params = "--classify" 619 620 # category #1: mismatches 621 try: 622 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--mismatches', extra_params], cwd=s, env=env ).decode('utf-8') 623 except subprocess.CalledProcessError as e: 624 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 625 626 if analysis: 627 outfile = "{}/{}/cfg/mismatch.txt".format( s, kmeta ) 628 if os.path.isfile(outfile): 629 os.remove(outfile) 630 with open(outfile, 'w+') as f: 631 f.write( analysis ) 632 633 if config_check_visibility and os.stat(outfile).st_size > 0: 634 with open (outfile, "r") as myfile: 635 results = myfile.read() 636 bb.warn( "[kernel config]: specified values did not make it into the kernel's final configuration:\n\n%s" % results) 637 warnings_detected = True 638 639 # category #2: invalid fragment elements 640 extra_params = "" 641 if bsp_check_visibility > 1: 642 extra_params = "--strict" 643 try: 644 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--invalid', extra_params], cwd=s, env=env ).decode('utf-8') 645 except subprocess.CalledProcessError as e: 646 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 647 648 if analysis: 649 outfile = "{}/{}/cfg/invalid.txt".format(s,kmeta) 650 if os.path.isfile(outfile): 651 os.remove(outfile) 652 with open(outfile, 'w+') as f: 653 f.write( analysis ) 654 655 if bsp_check_visibility and os.stat(outfile).st_size > 0: 656 with open (outfile, "r") as myfile: 657 results = myfile.read() 658 bb.warn( "[kernel config]: This BSP contains fragments with warnings:\n\n%s" % results) 659 warnings_detected = True 660 661 # category #3: redefined options (this is pretty verbose and is debug only) 662 try: 663 analysis = subprocess.check_output(['symbol_why.py', '--dotconfig', '{}'.format( d.getVar('B') + '/.config' ), '--sanity'], cwd=s, env=env ).decode('utf-8') 664 except subprocess.CalledProcessError as e: 665 bb.fatal( "config analysis failed when running '%s': %s" % (" ".join(e.cmd), e.output.decode('utf-8'))) 666 667 if analysis: 668 outfile = "{}/{}/cfg/redefinition.txt".format(s,kmeta) 669 if os.path.isfile(outfile): 670 os.remove(outfile) 671 with open(outfile, 'w+') as f: 672 f.write( analysis ) 673 674 # if the audit level is greater than two, we report if a fragment has overriden 675 # a value from a base fragment. This is really only used for new kernel introduction 676 if bsp_check_visibility > 2 and os.stat(outfile).st_size > 0: 677 with open (outfile, "r") as myfile: 678 results = myfile.read() 679 bb.warn( "[kernel config]: This BSP has configuration options defined in more than one config, with differing values:\n\n%s" % results) 680 warnings_detected = True 681 682 if warnings_detected and kmeta_audit_werror: 683 bb.fatal( "configuration warnings detected, werror is set, promoting to fatal" ) 684} 685 686# Ensure that the branches (BSP and meta) are on the locations specified by 687# their SRCREV values. If they are NOT on the right commits, the branches 688# are corrected to the proper commit. 689do_validate_branches() { 690 set +e 691 cd ${S} 692 693 machine_branch="${@ get_machine_branch(d, "${KBRANCH}" )}" 694 machine_srcrev="${SRCREV_machine}" 695 696 # if SRCREV is AUTOREV it shows up as AUTOINC there's nothing to 697 # check and we can exit early 698 if [ "${machine_srcrev}" = "AUTOINC" ]; then 699 linux_yocto_dev='${@oe.utils.conditional("PREFERRED_PROVIDER_virtual/kernel", "linux-yocto-dev", "1", "", d)}' 700 if [ -n "$linux_yocto_dev" ]; then 701 git checkout -q -f ${machine_branch} 702 ver=$(grep "^VERSION =" ${S}/Makefile | sed s/.*=\ *//) 703 patchlevel=$(grep "^PATCHLEVEL =" ${S}/Makefile | sed s/.*=\ *//) 704 sublevel=$(grep "^SUBLEVEL =" ${S}/Makefile | sed s/.*=\ *//) 705 kver="$ver.$patchlevel" 706 bbnote "dev kernel: performing version -> branch -> SRCREV validation" 707 bbnote "dev kernel: recipe version ${LINUX_VERSION}, src version: $kver" 708 echo "${LINUX_VERSION}" | grep -q $kver 709 if [ $? -ne 0 ]; then 710 version="$(echo ${LINUX_VERSION} | sed 's/\+.*$//g')" 711 versioned_branch="v$version/$machine_branch" 712 713 machine_branch=$versioned_branch 714 force_srcrev="$(git rev-parse $machine_branch 2> /dev/null)" 715 if [ $? -ne 0 ]; then 716 bbfatal "kernel version mismatch detected, and no valid branch $machine_branch detected" 717 fi 718 719 bbnote "dev kernel: adjusting branch to $machine_branch, srcrev to: $force_srcrev" 720 fi 721 else 722 bbnote "SRCREV validation is not required for AUTOREV" 723 fi 724 elif [ "${machine_srcrev}" = "" ]; then 725 if [ "${SRCREV}" != "AUTOINC" ] && [ "${SRCREV}" != "INVALID" ]; then 726 # SRCREV_machine_<MACHINE> was not set. This means that a custom recipe 727 # that doesn't use the SRCREV_FORMAT "machine_meta" is being built. In 728 # this case, we need to reset to the give SRCREV before heading to patching 729 bbnote "custom recipe is being built, forcing SRCREV to ${SRCREV}" 730 force_srcrev="${SRCREV}" 731 fi 732 else 733 git cat-file -t ${machine_srcrev} > /dev/null 734 if [ $? -ne 0 ]; then 735 bberror "${machine_srcrev} is not a valid commit ID." 736 bbfatal_log "The kernel source tree may be out of sync" 737 fi 738 force_srcrev=${machine_srcrev} 739 fi 740 741 git checkout -q -f ${machine_branch} 742 if [ -n "${force_srcrev}" ]; then 743 # see if the branch we are about to patch has been properly reset to the defined 744 # SRCREV .. if not, we reset it. 745 branch_head=`git rev-parse HEAD` 746 if [ "${force_srcrev}" != "${branch_head}" ]; then 747 current_branch=`git rev-parse --abbrev-ref HEAD` 748 git branch "$current_branch-orig" 749 git reset --hard ${force_srcrev} 750 # We've checked out HEAD, make sure we cleanup kgit-s2q fence post check 751 # so the patches are applied as expected otherwise no patching 752 # would be done in some corner cases. 753 kgit-s2q --clean 754 fi 755 fi 756 757 set -e 758} 759 760OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT" 761KBUILD_OUTPUT = "${B}" 762 763python () { 764 # If diffconfig is available, ensure it runs after kernel_configme 765 if 'do_diffconfig' in d: 766 bb.build.addtask('do_diffconfig', None, 'do_kernel_configme', d) 767 768 externalsrc = d.getVar('EXTERNALSRC') 769 if externalsrc: 770 # If we deltask do_patch, do_kernel_configme is left without 771 # dependencies and runs too early 772 d.setVarFlag('do_kernel_configme', 'deps', (d.getVarFlag('do_kernel_configme', 'deps', False) or []) + ['do_unpack']) 773} 774 775# extra tasks 776addtask kernel_version_sanity_check after do_kernel_metadata do_kernel_checkout before do_compile 777addtask validate_branches before do_patch after do_kernel_checkout 778addtask kernel_configcheck after do_configure before do_compile 779