scripts/lttng-modules/param-build.sh

   1 #!/bin/bash -exu
   2 #
   3 # Copyright (C) 2016-2019 - Michael Jeanson <mjeanson@efficios.com>
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Parameters
  19 arch=${arch:-}
  20 cross_arch=${cross_arch:-}
  21 ktag=${ktag:-}
  22 kgitrepo=${kgitrepo:-}
  23 mversion=${mversion:-}
  24 mgitrepo=${mgitrepo:-}
  25
  26
  27 ## FUNCTIONS ##
  28
  29 # Kernel version compare functions
  30 verlte() {
  31     [  "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | head -n1)" ]
  32 }
  33
  34 verlt() {
  35     # shellcheck disable=SC2015
  36     [ "$1" = "$2" ] && return 1 || verlte "$1" "$2"
  37 }
  38
  39 vergte() {
  40     [  "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ]
  41 }
  42
  43 vergt() {
  44     # shellcheck disable=SC2015
  45     [ "$1" = "$2" ] && return 1 || vergte "$1" "$2"
  46 }
  47
  48
  49 git_clone_modules_sources() {
  50     mkdir -p "$MODULES_GIT_DIR"
  51
  52     # If the version starts with "refs/", checkout the specific git ref, otherwise treat it
  53     # as a branch name.
  54     if [ "${mversion:0:5}" = "refs/" ]; then
  55         git clone --no-tags --depth=1 "${mgitrepo}" "$MODULES_GIT_DIR"
  56         (cd "$MODULES_GIT_DIR" && git fetch origin "${mversion}" && git checkout FETCH_HEAD)
  57     else
  58         git clone --no-tags --depth=1 -b "${mversion}" "${mgitrepo}" "$MODULES_GIT_DIR"
  59     fi
  60 }
  61
  62 # Checkout a shallow kernel tree of the specified tag
  63 git_clone_linux_sources() {
  64     mkdir -p "$LINUX_GIT_DIR"
  65     git clone --depth=1 -b "${ktag}" --reference "$LINUX_GIT_REF_REPO_DIR" "${kgitrepo}" "$LINUX_GIT_DIR"
  66 }
  67
  68
  69 # Export the kernel sources from the git repo
  70 git_export_linux_sources() {
  71     cd "$LINUX_GIT_DIR"
  72     git archive "${ktag}" | tar -x -C "$LINUX_SRCOBJ_DIR"
  73 }
  74
  75
  76 # Upload the tar archive to the object store
  77 upload_archive_obj() {
  78     s3cmd -c "$WORKSPACE/.s3cfg" put "$WORKSPACE/$obj_name" "$obj_url_prefix/"
  79     rm -f "$WORKSPACE/$obj_name"
  80 }
  81
  82
  83 extract_archive_obj() {
  84     tar -xf "$WORKSPACE/$obj_name" -C "$LINUX_OBJ_DIR"
  85     rm -f "$WORKSPACE/$obj_name"
  86 }
  87
  88
  89 tar_archive_obj() {
  90     cd "$LINUX_OBJ_DIR"
  91     tar -cf "$WORKSPACE/$obj_name" -I pbzip2 .
  92     cd -
  93 }
  94
  95 # Find the most recent GCC version supported by the kernel sources
  96 select_compiler() {
  97     local selected_cc
  98
  99     cd "$LINUX_SRCOBJ_DIR"
 100
 101     kversion=$(make -s kernelversion)
 102
 103     set +e
 104
 105     for cc in gcc-5 gcc-4.8; do
 106       if "${CROSS_COMPILE:-}${cc}" -I include/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include/linux/compiler-gcc.h; then
 107         selected_cc="$cc"
 108         break
 109       fi
 110     done
 111
 112     set -e
 113
 114     if [ "x$selected_cc" = "x" ]; then
 115       echo "Found no suitable compiler."
 116       exit 1
 117     fi
 118
 119     # Force gcc-4.8 for kernels before 3.18
 120     if { verlt "$kversion" "3.18"; }; then
 121       selected_cc=gcc-4.8
 122     fi
 123
 124     if [ "$selected_cc" != "gcc-4.8" ]; then
 125         # Older kernel Makefiles do not expect the compiler to default to PIE
 126         KAFLAGS="-fno-pie"
 127         KCFLAGS="-fno-pie -no-pie -fno-stack-protector"
 128         KCPPFLAGS="-fno-pie"
 129         export KAFLAGS KCFLAGS KCPPFLAGS
 130     fi
 131
 132     export CC="${CROSS_COMPILE:-}${selected_cc}"
 133     export HOSTCC="${selected_cc}"
 134
 135     cd -
 136 }
 137
 138
 139 build_linux_kernel() {
 140     cd "$LINUX_SRCOBJ_DIR"
 141
 142     kversion=$(make -s kernelversion)
 143
 144     # Generate kernel configuration
 145     case "$ktag" in
 146       Ubuntu*)
 147         if [ "${cross_arch}" = "powerpc" ]; then
 148           if vergte "${kversion}" "4.10"; then
 149             echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it."
 150             exit 0
 151           fi
 152         fi
 153
 154         # Disable riscv64 config generation, we don't have a toolchain on bionic
 155         sed -i 's/riscv64 //' debian.master/etc/kernelconfig
 156
 157         # Hack for kernel Ubuntu-hwe-5.8
 158         if [ ! -f "debian/compat" ]; then
 159             echo "10" > "debian/compat"
 160         fi
 161
 162         fakeroot debian/rules clean KW_DEFCONFIG_DIR=.
 163         fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=.
 164         cp CONFIGS/"${ubuntu_config}" .config
 165         ;;
 166
 167       *)
 168         # Force 32bit build on i386, default is 64bit
 169         if [ "$arch" = "i386" ]; then
 170             export ARCH="i386"
 171         fi
 172
 173         # allyesconfig is mostly broken for kernels of the 2.6 series
 174         if verlt "$kversion" "3.0"; then
 175             vanilla_config="defconfig"
 176         fi
 177
 178         make "${vanilla_config}"
 179         ;;
 180     esac
 181
 182     # oldnoconfig was renamed in 4.19
 183     if vergte "$kversion" "4.19"; then
 184         update_conf_target="olddefconfig"
 185     else
 186         update_conf_target="oldnoconfig"
 187     fi
 188
 189     # Fix 'defined(@array)' was removed from recent perl
 190     if [ -f "kernel/timeconst.pl" ]; then
 191       sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl
 192     fi
 193
 194     # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5
 195     if [ "$HOSTCC" != "gcc-4.8" ]; then
 196       if [ -f "arch/x86/kvm/svm.c" ]; then
 197         sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c
 198       fi
 199
 200       if [ -f "arch/x86/kvm/vmx.c" ]; then
 201         sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c
 202       fi
 203     fi
 204
 205     # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64
 206     # Convert them to 'cmpw' which was previously done silently
 207     if verlt "$kversion" "4.9"; then
 208             find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmp\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmpw\2/"
 209             find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmpli\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmplwi\2/"
 210             sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch/powerpc/boot/wrapper
 211     fi
 212
 213     # Fix a typo in v2.6.36.x
 214     if [ -f "arch/x86/kernel/entry_64.S" ]; then
 215       sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S
 216     fi
 217
 218     # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2
 219     if { vergte "$kversion" "2.6.36" && verlte "$kversion" "2.6.36.3"; }; then
 220       sed -i 's/-m elf_x86_64/-m64/' arch/x86/vdso/Makefile
 221       sed -i 's/-m elf_i386/-m32/' arch/x86/vdso/Makefile
 222     fi
 223
 224     # Fix kernel < 3.0 with gcc >= 4.7
 225     if verlt "$kversion" "3.0"; then
 226       sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h
 227       sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h
 228       sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h
 229       echo "header-y += linkage.h" >> include/linux/Kbuild
 230     fi
 231
 232     # GCC 4.8
 233     if [ "$HOSTCC" == "gcc-4.8" ]; then
 234       scripts/config --disable CONFIG_CC_STACKPROTECTOR_STRONG
 235     fi
 236
 237     # Don't try to sign modules
 238     scripts/config --disable CONFIG_MODULE_SIG
 239
 240     # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
 241     scripts/config --disable CONFIG_STACK_VALIDATION
 242
 243     # Cause problems with inline assembly on i386
 244     scripts/config --disable CONFIG_DEBUG_SECTION_MISMATCH
 245
 246     # Don't build samples, they are broken on some kernel releases
 247     scripts/config --disable CONFIG_SAMPLES
 248     scripts/config --disable CONFIG_BUILD_DOCSRC
 249
 250     # Disable kcov
 251     scripts/config --disable CONFIG_KCOV
 252
 253     # Broken on some RT kernels
 254     scripts/config --disable CONFIG_HYPERV
 255
 256     # Broken drivers
 257     scripts/config --disable CONFIG_RAPIDIO_TSI721
 258     scripts/config --disable CONFIG_SGI_XP
 259     scripts/config --disable CONFIG_MFD_WM8994
 260     scripts/config --disable CONFIG_DRM_RADEON
 261     scripts/config --disable CONFIG_SND_SOC_WM5100
 262
 263     # IGBVF won't build with recent gcc on 2.6.38.x
 264     if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then
 265       scripts/config --disable CONFIG_IGBVF
 266     fi
 267
 268     # Set required options
 269     scripts/config --enable CONFIG_TRACEPOINTS
 270     scripts/config --enable CONFIG_KALLSYMS
 271     scripts/config --enable CONFIG_HIGH_RES_TIMERS
 272     scripts/config --enable CONFIG_KPROBES
 273     scripts/config --enable CONFIG_FTRACE
 274     scripts/config --enable CONFIG_BLK_DEV_IO_TRACE
 275     scripts/config --enable CONFIG_KALLSYMS_ALL
 276     scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS
 277     scripts/config --enable CONFIG_PERF_EVENTS
 278     scripts/config --enable CONFIG_EVENT_TRACING
 279     scripts/config --enable CONFIG_KRETPROBES
 280
 281     # Debug
 282     #cat .config
 283
 284     make "$update_conf_target" CC="$CC"
 285     make -j"$NPROC" CC="$CC"
 286
 287     krelease=$(make -s kernelrelease CC="$CC")
 288
 289     # Save the kernel and modules
 290     mkdir -p "$LINUX_INSTOBJ_DIR/boot"
 291     make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC"
 292     make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC"
 293     rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build"
 294     ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
 295     ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
 296 }
 297
 298
 299 extract_distro_headers() {
 300
 301     # Enter linux source dir
 302     cd "${LINUX_SRCOBJ_DIR}"
 303
 304
 305     # For RT kernels, copy version file
 306     if [ -s localversion-rt ]; then
 307         cp -a localversion-rt "${LINUX_HDROBJ_DIR}"
 308     fi
 309
 310     # Copy all Makefile related stuff
 311     find . -path './include/*' -prune \
 312         -o -path './scripts/*' -prune -o -type f \
 313         \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
 314             -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
 315         -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 316
 317     # Copy base scripts and include dirs
 318     cp -a scripts include "${LINUX_HDROBJ_DIR}"
 319
 320     # Copy arch includes
 321     (find arch -name include -type d -print0 | \
 322         xargs -0 -n1 -i: find : -type f) | \
 323         cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 324
 325     # Copy arch scripts
 326     (find arch -name scripts -type d -print0 | \
 327         xargs -0 -n1 -i: find : -type f) | \
 328         cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 329
 330     # Cleanup scripts
 331     rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o"
 332     rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o"
 333
 334     # On powerpc 32bits this object is required to link modules
 335     if [ "${karch}" = "powerpc" ]; then
 336         if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then
 337             :
 338         else
 339             cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/"
 340         fi
 341     fi
 342
 343     # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support
 344     if [ "${karch}" = "arm64" ]; then
 345         if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
 346             cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/"
 347         fi
 348     fi
 349
 350     # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y
 351     if [ -f tools/objtool/objtool ]; then
 352       cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/"
 353     fi
 354
 355     if [ -f "arch/x86/kernel/macros.s" ]; then
 356       cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/"
 357     fi
 358
 359     # Copy modules related stuff, if available
 360     if [ -s Module.symvers ]; then
 361         cp Module.symvers "${LINUX_HDROBJ_DIR}"
 362     fi
 363
 364     if [ -s System.map ]; then
 365         cp System.map "${LINUX_HDROBJ_DIR}"
 366     fi
 367
 368     if [ -s Module.markers ]; then
 369         cp Module.markers "${LINUX_HDROBJ_DIR}"
 370     fi
 371
 372     # Copy config file
 373     cp .config "${LINUX_HDROBJ_DIR}"
 374
 375     # Make sure the Makefile and version.h have a matching timestamp so that
 376     # external modules can be built
 377     if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then
 378         touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h"
 379     elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then
 380         touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h"
 381     else
 382         echo "Missing version.h"
 383         exit 1
 384     fi
 385     touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
 386
 387     # Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
 388     cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
 389
 390     # Finally clean the object files from the full source tree
 391     make clean
 392
 393     # And regen the modules support files
 394     make modules_prepare CC="$CC"
 395
 396     # On powerpc 32bits this object is required to link modules
 397     if [ "${karch}" = "powerpc" ]; then
 398         if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then
 399             :
 400         else
 401             make arch/powerpc/lib/crtsavres.o CC="$CC"
 402         fi
 403     fi
 404
 405     # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support
 406     if [ "${karch}" = "arm64" ]; then
 407         if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
 408             make arch/arm64/kernel/ftrace-mod.o CC="$CC"
 409         fi
 410     fi
 411
 412     # Version specific tasks
 413     case "$ktag" in
 414       Ubuntu*)
 415         # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
 416         ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')"
 417         echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h
 418         echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h"
 419         ;;
 420     esac
 421 }
 422
 423
 424 build_modules() {
 425
 426     local kdir="$1"
 427     local outdir="$2"
 428     local kversion
 429
 430     kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion)
 431
 432     # Enter lttng-modules source dir
 433     cd "${MODULES_GIT_DIR}"
 434
 435     # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
 436     # timekeeping subsystem. We want those build to fail.
 437     if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \
 438        { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then
 439
 440         set +e
 441
 442         # Build modules
 443         KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC"
 444         ret=$?
 445
 446         set -e
 447
 448         # We expect this build to fail, if it doesn't, fail the job.
 449         if [ "$ret" -eq 0 ]; then
 450             echo "This build should have failed."
 451             exit 1
 452         fi
 453
 454         # We have to publish at least one file or the build will fail
 455         echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko"
 456
 457         KERNELDIR="${kdir}" make clean
 458
 459     else # Regular build
 460
 461         # Build modules against full kernel sources
 462         KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC"
 463
 464         # Install modules to build dir
 465         KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install
 466
 467         # Clean build dir
 468         KERNELDIR="${kdir}" make clean
 469     fi
 470 }
 471
 472
 473 ## MAIN ##
 474
 475 # Use all CPU cores
 476 NPROC=$(nproc)
 477
 478 MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules"
 479 LINUX_GIT_DIR="${WORKSPACE}/src/linux"
 480
 481 LINUX_OBJ_DIR="${WORKSPACE}/linux"
 482 LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources"
 483 LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers"
 484 LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install"
 485
 486 MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc"
 487 MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr"
 488
 489 LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/"
 490
 491 OBJ_STORE_URL="s3://jenkins"
 492
 493 cd "$WORKSPACE"
 494
 495 # Create build directories
 496 mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
 497
 498 git_clone_modules_sources
 499
 500 # Setup cross compile env if available
 501 if [ "x${cross_arch}" != "x" ]; then
 502
 503     case "$cross_arch" in
 504         "armhf")
 505             karch="arm"
 506             cross_compile="arm-linux-gnueabihf-"
 507             vanilla_config="imx_v6_v7_defconfig"
 508             ubuntu_config="armhf-config.flavour.generic"
 509             ;;
 510
 511         "arm64")
 512             karch="arm64"
 513             cross_compile="aarch64-linux-gnu-"
 514             vanilla_config="defconfig"
 515             ubuntu_config="arm64-config.flavour.generic"
 516             ;;
 517
 518         "powerpc")
 519             karch="powerpc"
 520             cross_compile="powerpc-linux-gnu-"
 521             vanilla_config="ppc44x_defconfig"
 522             ubuntu_config="powerpc-config.flavour.powerpc-smp"
 523             ;;
 524
 525         "ppc64el")
 526             karch="powerpc"
 527             cross_compile="powerpc64le-linux-gnu-"
 528             vanilla_config="pseries_le_defconfig"
 529             ubuntu_config="ppc64el-config.flavour.generic"
 530             ;;
 531
 532         *)
 533             echo "Unsupported cross arch $cross_arch"
 534             exit 1
 535             ;;
 536     esac
 537
 538     # Export variables used by Kbuild for cross compilation
 539     export ARCH="${karch}"
 540     export CROSS_COMPILE="${cross_compile}"
 541
 542 # Set arch specific values if we are not cross compiling
 543 elif [ "x${arch}" != "x" ]; then
 544
 545     case "$arch" in
 546         "i386")
 547             karch="x86"
 548             vanilla_config="allyesconfig"
 549             ubuntu_config="i386-config.flavour.generic"
 550             ;;
 551
 552         "amd64")
 553             karch="x86"
 554             vanilla_config="allyesconfig"
 555             ubuntu_config="amd64-config.flavour.generic"
 556             ;;
 557
 558         "armhf")
 559             karch="arm"
 560             vanilla_config="allyesconfig"
 561             ubuntu_config="armhf-config.flavour.generic"
 562             ;;
 563
 564         "arm64")
 565             karch="arm64"
 566             vanilla_config="allyesconfig"
 567             ubuntu_config="arm64-config.flavour.generic"
 568             ;;
 569
 570         "powerpc")
 571             karch="powerpc"
 572             vanilla_config="allyesconfig"
 573             ubuntu_config="powerpc-config.flavour.powerpc-smp"
 574             ;;
 575
 576         "ppc64el")
 577             karch="powerpc"
 578             vanilla_config="allyesconfig"
 579             ubuntu_config="ppc64el-config.flavour.generic"
 580             ;;
 581
 582         *)
 583             echo "Unsupported arch $arch"
 584             exit 1
 585             ;;
 586     esac
 587 else
 588     echo "No arch or cross_arch specified"
 589     exit 1
 590 fi
 591
 592
 593
 594 # First get the kernel build from the object store, or build it, if it's
 595 # not available.
 596
 597 echo "# Setup endpoint
 598 host_base = obj.internal.efficios.com
 599 host_bucket = obj.internal.efficios.com
 600 bucket_location = us-east-1
 601 use_https = True
 602
 603 # Setup access keys
 604 access_key = jenkins
 605 secret_key = echo123456
 606
 607 # Enable S3 v4 signature APIs
 608 signature_v2 = False" > "$WORKSPACE/.s3cfg"
 609
 610 url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')"
 611 obj_name="linux.tar.bz2"
 612
 613 if [ "x${cross_arch}" = "x" ]; then
 614         obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/native"
 615 else
 616         obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/${cross_arch}"
 617 fi
 618
 619 obj_url="$obj_url_prefix/$obj_name"
 620
 621 set +e
 622 s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url"
 623 ret=$?
 624 set -e
 625
 626 case "$ret" in
 627     "0")
 628       extract_archive_obj
 629       ;;
 630
 631     "12")
 632       echo "File not found"
 633
 634       # Build all the things and upload
 635       # then finish the module build...
 636
 637       git_clone_linux_sources
 638       git_export_linux_sources
 639
 640       select_compiler
 641
 642       ## PREPARE FULL LINUX SOURCE TREE
 643       build_linux_kernel
 644
 645       ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL
 646       extract_distro_headers
 647
 648       tar_archive_obj
 649
 650       upload_archive_obj
 651
 652       ;;
 653
 654     *)
 655       echo "Unknown error? Abort"
 656       exit 1
 657       ;;
 658 esac
 659
 660 select_compiler
 661
 662 ## BUILD modules
 663 # Either we downloaded a pre-build kernel or we built it and uploaded
 664 # the archive for future builds.
 665
 666 cd "$WORKSPACE"
 667
 668 # Build modules against full kernel sources
 669 build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}"
 670
 671 # Build modules against kernel headers
 672 build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
 673
 674 # Make sure some modules were actually built
 675 tree "${MODULES_OUTPUT_KSRC_DIR}"
 676 if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
 677   echo "No modules built!"
 678   exit 1
 679 fi
 680
 681 tree "${MODULES_OUTPUT_KHDR_DIR}"
 682 if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
 683   echo "No modules built!"
 684   exit 1
 685 fi
 686
 687 # EOF