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5a196804 | 1 | #!/bin/bash -exu |
f3d8604b | 2 | # |
1d5a0a3c | 3 | # Copyright (C) 2016-2019 - Michael Jeanson <mjeanson@efficios.com> |
f3d8604b MJ |
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 | ||
39961776 MJ |
18 | # Parameters |
19 | arch=${arch:-} | |
20 | cross_arch=${cross_arch:-} | |
21 | ktag=${ktag:-} | |
5a196804 MJ |
22 | kgitrepo=${kgitrepo:-} |
23 | mversion=${mversion:-} | |
24 | mgitrepo=${mgitrepo:-} | |
39961776 MJ |
25 | |
26 | ||
339db64d MJ |
27 | ## FUNCTIONS ## |
28 | ||
f3d8604b MJ |
29 | # Kernel version compare functions |
30 | verlte() { | |
51fa2ab3 | 31 | [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | head -n1)" ] |
f3d8604b MJ |
32 | } |
33 | ||
34 | verlt() { | |
28b10e79 | 35 | # shellcheck disable=SC2015 |
51fa2ab3 | 36 | [ "$1" = "$2" ] && return 1 || verlte "$1" "$2" |
f3d8604b MJ |
37 | } |
38 | ||
39 | vergte() { | |
51fa2ab3 | 40 | [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ] |
f3d8604b MJ |
41 | } |
42 | ||
43 | vergt() { | |
28b10e79 | 44 | # shellcheck disable=SC2015 |
51fa2ab3 | 45 | [ "$1" = "$2" ] && return 1 || vergte "$1" "$2" |
f3d8604b MJ |
46 | } |
47 | ||
339db64d | 48 | |
5a196804 MJ |
49 | git_clone_modules_sources() { |
50 | mkdir -p "$MODULES_GIT_DIR" | |
28b10e79 MJ |
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 | |
5a196804 MJ |
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}" "$LINUX_GIT_DIR" | |
66 | } | |
7e02032c | 67 | |
7e02032c | 68 | |
5a196804 MJ |
69 | # Export the kernel sources from the git repo |
70 | git_export_linux_sources() { | |
71 | cd "$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 | ||
1d5a0a3c | 105 | for cc in gcc-5 gcc-4.8; do |
5a196804 MJ |
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 | ||
1d5a0a3c MJ |
119 | # Force gcc-4.8 for kernels before 3.18 |
120 | if { verlt "$kversion" "3.18"; }; then | |
23db2292 | 121 | selected_cc=gcc-4.8 |
7e02032c MJ |
122 | fi |
123 | ||
425e4992 MJ |
124 | if [ "$selected_cc" != "gcc-4.8" ]; then |
125 | # Older kernel Makefiles do not expect the compiler to default to PIE | |
126 | KAFLAGS="-fno-pie" | |
c45b04df | 127 | KCFLAGS="-fno-pie -no-pie -fno-stack-protector" |
425e4992 MJ |
128 | KCPPFLAGS="-fno-pie" |
129 | export KAFLAGS KCFLAGS KCPPFLAGS | |
130 | fi | |
131 | ||
5a196804 | 132 | export CC="${CROSS_COMPILE:-}${selected_cc}" |
1d5a0a3c | 133 | export HOSTCC="${selected_cc}" |
5a196804 MJ |
134 | |
135 | cd - | |
136 | } | |
137 | ||
138 | ||
139 | build_linux_kernel() { | |
140 | cd "$LINUX_SRCOBJ_DIR" | |
141 | ||
142 | kversion=$(make -s kernelversion) | |
143 | ||
7e02032c | 144 | # Generate kernel configuration |
a1ae361e | 145 | case "$ktag" in |
7e02032c | 146 | Ubuntu*) |
39961776 | 147 | if [ "${cross_arch}" = "powerpc" ]; then |
5a196804 | 148 | if vergte "${kversion}" "4.10"; then |
39961776 MJ |
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 | |
a46abb0a MJ |
153 | fakeroot debian/rules clean KW_DEFCONFIG_DIR=. |
154 | fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. | |
5a196804 | 155 | cp CONFIGS/"${ubuntu_config}" .config |
7e02032c | 156 | ;; |
c45b04df | 157 | |
7e02032c | 158 | *) |
16844a6d MJ |
159 | # Force 32bit build on i386, default is 64bit |
160 | if [ "$arch" = "i386" ]; then | |
5a196804 MJ |
161 | export ARCH="i386" |
162 | fi | |
163 | ||
164 | # allyesconfig is mostly broken for kernels of the 2.6 series | |
165 | if verlt "$kversion" "3.0"; then | |
166 | vanilla_config="defconfig" | |
7a76a4d0 MJ |
167 | fi |
168 | ||
5a196804 | 169 | make "${vanilla_config}" |
7e02032c MJ |
170 | ;; |
171 | esac | |
172 | ||
53b51a15 | 173 | # oldnoconfig was renamed in 4.19 |
5a196804 | 174 | if vergte "$kversion" "4.19"; then |
53b51a15 | 175 | update_conf_target="olddefconfig" |
5a196804 | 176 | else |
53b51a15 | 177 | update_conf_target="oldnoconfig" |
5a196804 MJ |
178 | fi |
179 | ||
180 | # Fix 'defined(@array)' was removed from recent perl | |
181 | if [ -f "kernel/timeconst.pl" ]; then | |
182 | sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl | |
183 | fi | |
184 | ||
185 | # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5 | |
53b51a15 | 186 | if [ "$HOSTCC" != "gcc-4.8" ]; then |
5a196804 MJ |
187 | if [ -f "arch/x86/kvm/svm.c" ]; then |
188 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c | |
189 | fi | |
190 | ||
191 | if [ -f "arch/x86/kvm/vmx.c" ]; then | |
192 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c | |
193 | fi | |
194 | fi | |
195 | ||
53b51a15 MJ |
196 | # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64 |
197 | # Convert them to 'cmpw' which was previously done silently | |
198 | if verlt "$kversion" "4.9"; then | |
199 | 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/" | |
200 | 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/" | |
201 | sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch/powerpc/boot/wrapper | |
202 | fi | |
203 | ||
5a196804 MJ |
204 | # Fix a typo in v2.6.36.x |
205 | if [ -f "arch/x86/kernel/entry_64.S" ]; then | |
206 | sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S | |
207 | fi | |
208 | ||
53b51a15 MJ |
209 | # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2 |
210 | if { vergte "$kversion" "2.6.36" && verlte "$kversion" "2.6.36.3"; }; then | |
211 | sed -i 's/-m elf_x86_64/-m64/' arch/x86/vdso/Makefile | |
212 | sed -i 's/-m elf_i386/-m32/' arch/x86/vdso/Makefile | |
213 | fi | |
214 | ||
5a196804 MJ |
215 | # Fix kernel < 3.0 with gcc >= 4.7 |
216 | if verlt "$kversion" "3.0"; then | |
217 | sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h | |
218 | sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h | |
219 | sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h | |
220 | echo "header-y += linkage.h" >> include/linux/Kbuild | |
221 | fi | |
222 | ||
7e02032c | 223 | # GCC 4.8 |
53b51a15 MJ |
224 | if [ "$HOSTCC" == "gcc-4.8" ]; then |
225 | scripts/config --disable CONFIG_CC_STACKPROTECTOR_STRONG | |
226 | fi | |
7e02032c MJ |
227 | |
228 | # Don't try to sign modules | |
53b51a15 | 229 | scripts/config --disable CONFIG_MODULE_SIG |
7e02032c | 230 | |
9ef18fa2 | 231 | # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails |
53b51a15 | 232 | scripts/config --disable CONFIG_STACK_VALIDATION |
5a196804 MJ |
233 | |
234 | # Cause problems with inline assembly on i386 | |
53b51a15 | 235 | scripts/config --disable CONFIG_DEBUG_SECTION_MISMATCH |
5a196804 | 236 | |
1d5a0a3c | 237 | # Don't build samples, they are broken on some kernel releases |
53b51a15 MJ |
238 | scripts/config --disable CONFIG_SAMPLES |
239 | scripts/config --disable CONFIG_BUILD_DOCSRC | |
c45b04df MJ |
240 | |
241 | # Disable kcov | |
53b51a15 | 242 | scripts/config --disable CONFIG_KCOV |
c45b04df MJ |
243 | |
244 | # Broken on some RT kernels | |
53b51a15 | 245 | scripts/config --disable CONFIG_HYPERV |
1d5a0a3c | 246 | |
1e300ea9 | 247 | # Broken drivers |
53b51a15 MJ |
248 | scripts/config --disable CONFIG_RAPIDIO_TSI721 |
249 | scripts/config --disable CONFIG_SGI_XP | |
250 | scripts/config --disable CONFIG_MFD_WM8994 | |
251 | scripts/config --disable CONFIG_DRM_RADEON | |
252 | scripts/config --disable CONFIG_SND_SOC_WM5100 | |
1e300ea9 | 253 | |
5a196804 MJ |
254 | # IGBVF won't build with recent gcc on 2.6.38.x |
255 | if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then | |
53b51a15 | 256 | scripts/config --disable CONFIG_IGBVF |
5a196804 | 257 | fi |
9ef18fa2 | 258 | |
51fa2ab3 | 259 | # Set required options |
53b51a15 MJ |
260 | scripts/config --enable CONFIG_TRACEPOINTS |
261 | scripts/config --enable CONFIG_KALLSYMS | |
262 | scripts/config --enable CONFIG_HIGH_RES_TIMERS | |
263 | scripts/config --enable CONFIG_KPROBES | |
264 | scripts/config --enable CONFIG_FTRACE | |
265 | scripts/config --enable CONFIG_BLK_DEV_IO_TRACE | |
266 | scripts/config --enable CONFIG_KALLSYMS_ALL | |
267 | scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS | |
268 | scripts/config --enable CONFIG_PERF_EVENTS | |
269 | scripts/config --enable CONFIG_EVENT_TRACING | |
270 | scripts/config --enable CONFIG_KRETPROBES | |
7e02032c | 271 | |
7a76a4d0 | 272 | # Debug |
5a196804 MJ |
273 | #cat .config |
274 | ||
275 | make "$update_conf_target" CC="$CC" | |
276 | make -j"$NPROC" CC="$CC" | |
277 | ||
c45b04df | 278 | krelease=$(make -s kernelrelease CC="$CC") |
5a196804 MJ |
279 | |
280 | # Save the kernel and modules | |
281 | mkdir -p "$LINUX_INSTOBJ_DIR/boot" | |
53b51a15 MJ |
282 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC" |
283 | make INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC" | |
5a196804 MJ |
284 | rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build" |
285 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
286 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
287 | } | |
288 | ||
289 | ||
290 | extract_distro_headers() { | |
291 | ||
292 | # Enter linux source dir | |
293 | cd "${LINUX_SRCOBJ_DIR}" | |
294 | ||
295 | ||
296 | # For RT kernels, copy version file | |
297 | if [ -s localversion-rt ]; then | |
298 | cp -a localversion-rt "${LINUX_HDROBJ_DIR}" | |
299 | fi | |
300 | ||
301 | # Copy all Makefile related stuff | |
302 | find . -path './include/*' -prune \ | |
303 | -o -path './scripts/*' -prune -o -type f \ | |
304 | \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ | |
305 | -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ | |
306 | -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
307 | ||
308 | # Copy base scripts and include dirs | |
309 | cp -a scripts include "${LINUX_HDROBJ_DIR}" | |
7e02032c | 310 | |
5a196804 MJ |
311 | # Copy arch includes |
312 | (find arch -name include -type d -print0 | \ | |
313 | xargs -0 -n1 -i: find : -type f) | \ | |
314 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
315 | ||
316 | # Copy arch scripts | |
317 | (find arch -name scripts -type d -print0 | \ | |
318 | xargs -0 -n1 -i: find : -type f) | \ | |
319 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
320 | ||
321 | # Cleanup scripts | |
322 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o" | |
323 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o" | |
324 | ||
04873cc3 | 325 | # On powerpc 32bits this object is required to link modules |
5a196804 | 326 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
327 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
328 | : | |
329 | else | |
04873cc3 MJ |
330 | cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/" |
331 | fi | |
5a196804 MJ |
332 | fi |
333 | ||
334 | # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support | |
335 | if [ "${karch}" = "arm64" ]; then | |
336 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then | |
337 | cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/" | |
338 | fi | |
339 | fi | |
340 | ||
341 | # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y | |
342 | if [ -f tools/objtool/objtool ]; then | |
343 | cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/" | |
344 | fi | |
345 | ||
346 | if [ -f "arch/x86/kernel/macros.s" ]; then | |
347 | cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/" | |
348 | fi | |
349 | ||
350 | # Copy modules related stuff, if available | |
351 | if [ -s Module.symvers ]; then | |
352 | cp Module.symvers "${LINUX_HDROBJ_DIR}" | |
353 | fi | |
354 | ||
355 | if [ -s System.map ]; then | |
356 | cp System.map "${LINUX_HDROBJ_DIR}" | |
357 | fi | |
358 | ||
359 | if [ -s Module.markers ]; then | |
360 | cp Module.markers "${LINUX_HDROBJ_DIR}" | |
361 | fi | |
362 | ||
363 | # Copy config file | |
364 | cp .config "${LINUX_HDROBJ_DIR}" | |
365 | ||
366 | # Make sure the Makefile and version.h have a matching timestamp so that | |
367 | # external modules can be built | |
368 | if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then | |
369 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" | |
370 | elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then | |
371 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h" | |
372 | else | |
373 | echo "Missing version.h" | |
374 | exit 1 | |
375 | fi | |
376 | touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h" | |
377 | ||
378 | # Copy .config to include/config/auto.conf so "make prepare" is unnecessary. | |
379 | cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf" | |
380 | ||
381 | # Finally clean the object files from the full source tree | |
382 | make clean | |
383 | ||
384 | # And regen the modules support files | |
385 | make modules_prepare CC="$CC" | |
51fa2ab3 | 386 | |
04873cc3 | 387 | # On powerpc 32bits this object is required to link modules |
d815b018 | 388 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
389 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
390 | : | |
391 | else | |
04873cc3 MJ |
392 | make arch/powerpc/lib/crtsavres.o CC="$CC" |
393 | fi | |
d815b018 MJ |
394 | fi |
395 | ||
7a76a4d0 | 396 | # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support |
a1ae361e | 397 | if [ "${karch}" = "arm64" ]; then |
c236528e | 398 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then |
5a196804 | 399 | make arch/arm64/kernel/ftrace-mod.o CC="$CC" |
a1ae361e MJ |
400 | fi |
401 | fi | |
402 | ||
7e02032c | 403 | # Version specific tasks |
a1ae361e | 404 | case "$ktag" in |
7e02032c MJ |
405 | Ubuntu*) |
406 | # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code | |
a1ae361e | 407 | ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')" |
5a196804 MJ |
408 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h |
409 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h" | |
7e02032c MJ |
410 | ;; |
411 | esac | |
7e02032c MJ |
412 | } |
413 | ||
414 | ||
339db64d MJ |
415 | build_modules() { |
416 | ||
5a196804 MJ |
417 | local kdir="$1" |
418 | local outdir="$2" | |
419 | local kversion | |
420 | ||
421 | kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion) | |
339db64d | 422 | |
339db64d | 423 | # Enter lttng-modules source dir |
5a196804 | 424 | cd "${MODULES_GIT_DIR}" |
339db64d MJ |
425 | |
426 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the | |
427 | # timekeeping subsystem. We want those build to fail. | |
5a196804 MJ |
428 | if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \ |
429 | { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then | |
339db64d MJ |
430 | |
431 | set +e | |
432 | ||
433 | # Build modules | |
51fa2ab3 | 434 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
0f71a764 | 435 | ret=$? |
339db64d | 436 | |
5a196804 MJ |
437 | set -e |
438 | ||
339db64d | 439 | # We expect this build to fail, if it doesn't, fail the job. |
0f71a764 | 440 | if [ "$ret" -eq 0 ]; then |
e9b44189 | 441 | echo "This build should have failed." |
339db64d MJ |
442 | exit 1 |
443 | fi | |
444 | ||
445 | # We have to publish at least one file or the build will fail | |
5a196804 | 446 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko" |
339db64d | 447 | |
5a196804 | 448 | KERNELDIR="${kdir}" make clean |
7e02032c | 449 | |
339db64d MJ |
450 | else # Regular build |
451 | ||
452 | # Build modules against full kernel sources | |
51fa2ab3 | 453 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
339db64d MJ |
454 | |
455 | # Install modules to build dir | |
5a196804 | 456 | KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install |
339db64d MJ |
457 | |
458 | # Clean build dir | |
5a196804 | 459 | KERNELDIR="${kdir}" make clean |
339db64d MJ |
460 | fi |
461 | } | |
462 | ||
463 | ||
464 | ## MAIN ## | |
465 | ||
f3d8604b MJ |
466 | # Use all CPU cores |
467 | NPROC=$(nproc) | |
468 | ||
5a196804 MJ |
469 | MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules" |
470 | LINUX_GIT_DIR="${WORKSPACE}/src/linux" | |
339db64d | 471 | |
5a196804 MJ |
472 | LINUX_OBJ_DIR="${WORKSPACE}/linux" |
473 | LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources" | |
474 | LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers" | |
475 | LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install" | |
339db64d | 476 | |
5a196804 MJ |
477 | MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc" |
478 | MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr" | |
339db64d | 479 | |
5a196804 MJ |
480 | LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/" |
481 | ||
482 | OBJ_STORE_URL="s3://jenkins" | |
483 | ||
484 | cd "$WORKSPACE" | |
485 | ||
486 | # Create build directories | |
487 | mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" | |
488 | ||
489 | git_clone_modules_sources | |
339db64d | 490 | |
7e02032c | 491 | # Setup cross compile env if available |
39961776 | 492 | if [ "x${cross_arch}" != "x" ]; then |
7e02032c MJ |
493 | |
494 | case "$cross_arch" in | |
495 | "armhf") | |
496 | karch="arm" | |
497 | cross_compile="arm-linux-gnueabihf-" | |
53b51a15 | 498 | vanilla_config="imx_v6_v7_defconfig" |
7e02032c MJ |
499 | ubuntu_config="armhf-config.flavour.generic" |
500 | ;; | |
501 | ||
502 | "arm64") | |
503 | karch="arm64" | |
504 | cross_compile="aarch64-linux-gnu-" | |
53b51a15 | 505 | vanilla_config="defconfig" |
7e02032c MJ |
506 | ubuntu_config="arm64-config.flavour.generic" |
507 | ;; | |
508 | ||
509 | "powerpc") | |
510 | karch="powerpc" | |
511 | cross_compile="powerpc-linux-gnu-" | |
e9b44189 | 512 | vanilla_config="ppc44x_defconfig" |
7e02032c MJ |
513 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
514 | ;; | |
515 | ||
516 | "ppc64el") | |
517 | karch="powerpc" | |
518 | cross_compile="powerpc64le-linux-gnu-" | |
e9b44189 | 519 | vanilla_config="pseries_le_defconfig" |
7e02032c MJ |
520 | ubuntu_config="ppc64el-config.flavour.generic" |
521 | ;; | |
522 | ||
523 | *) | |
51fa2ab3 | 524 | echo "Unsupported cross arch $cross_arch" |
7e02032c MJ |
525 | exit 1 |
526 | ;; | |
527 | esac | |
339db64d | 528 | |
7e02032c MJ |
529 | # Export variables used by Kbuild for cross compilation |
530 | export ARCH="${karch}" | |
531 | export CROSS_COMPILE="${cross_compile}" | |
339db64d | 532 | |
7e02032c | 533 | # Set arch specific values if we are not cross compiling |
39961776 | 534 | elif [ "x${arch}" != "x" ]; then |
e9b44189 | 535 | |
7e02032c | 536 | case "$arch" in |
16844a6d | 537 | "i386") |
7e02032c | 538 | karch="x86" |
e9b44189 | 539 | vanilla_config="allyesconfig" |
7e02032c MJ |
540 | ubuntu_config="i386-config.flavour.generic" |
541 | ;; | |
542 | ||
16844a6d | 543 | "amd64") |
7e02032c | 544 | karch="x86" |
e9b44189 | 545 | vanilla_config="allyesconfig" |
7e02032c MJ |
546 | ubuntu_config="amd64-config.flavour.generic" |
547 | ;; | |
548 | ||
549 | "armhf") | |
550 | karch="arm" | |
e9b44189 | 551 | vanilla_config="allyesconfig" |
7e02032c MJ |
552 | ubuntu_config="armhf-config.flavour.generic" |
553 | ;; | |
554 | ||
555 | "arm64") | |
556 | karch="arm64" | |
e9b44189 | 557 | vanilla_config="allyesconfig" |
7e02032c MJ |
558 | ubuntu_config="arm64-config.flavour.generic" |
559 | ;; | |
560 | ||
561 | "powerpc") | |
562 | karch="powerpc" | |
e9b44189 | 563 | vanilla_config="allyesconfig" |
7e02032c MJ |
564 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
565 | ;; | |
566 | ||
567 | "ppc64el") | |
568 | karch="powerpc" | |
e9b44189 | 569 | vanilla_config="allyesconfig" |
7e02032c MJ |
570 | ubuntu_config="ppc64el-config.flavour.generic" |
571 | ;; | |
572 | ||
573 | *) | |
574 | echo "Unsupported arch $arch" | |
575 | exit 1 | |
576 | ;; | |
577 | esac | |
578 | else | |
04873cc3 | 579 | echo "No arch or cross_arch specified" |
7e02032c MJ |
580 | exit 1 |
581 | fi | |
339db64d | 582 | |
339db64d | 583 | |
b214d997 | 584 | |
5a196804 MJ |
585 | # First get the kernel build from the object store, or build it, if it's |
586 | # not available. | |
339db64d | 587 | |
5a196804 MJ |
588 | echo "# Setup endpoint |
589 | host_base = obj.internal.efficios.com | |
590 | host_bucket = obj.internal.efficios.com | |
591 | bucket_location = us-east-1 | |
592 | use_https = True | |
7e02032c | 593 | |
5a196804 MJ |
594 | # Setup access keys |
595 | access_key = jenkins | |
596 | secret_key = echo123456 | |
339db64d | 597 | |
5a196804 MJ |
598 | # Enable S3 v4 signature APIs |
599 | signature_v2 = False" > "$WORKSPACE/.s3cfg" | |
339db64d | 600 | |
c45b04df | 601 | url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')" |
5a196804 | 602 | obj_name="linux.tar.bz2" |
c45b04df | 603 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/${cross_arch:-native}" |
5a196804 | 604 | obj_url="$obj_url_prefix/$obj_name" |
339db64d | 605 | |
5a196804 MJ |
606 | set +e |
607 | s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url" | |
608 | ret=$? | |
609 | set -e | |
339db64d | 610 | |
5a196804 MJ |
611 | case "$ret" in |
612 | "0") | |
613 | extract_archive_obj | |
614 | ;; | |
a1ae361e | 615 | |
5a196804 MJ |
616 | "12") |
617 | echo "File not found" | |
339db64d | 618 | |
5a196804 MJ |
619 | # Build all the things and upload |
620 | # then finish the module build... | |
339db64d | 621 | |
5a196804 MJ |
622 | git_clone_linux_sources |
623 | git_export_linux_sources | |
339db64d | 624 | |
5a196804 | 625 | select_compiler |
a1ae361e | 626 | |
5a196804 MJ |
627 | ## PREPARE FULL LINUX SOURCE TREE |
628 | build_linux_kernel | |
d138fc44 | 629 | |
5a196804 MJ |
630 | ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL |
631 | extract_distro_headers | |
339db64d | 632 | |
5a196804 | 633 | tar_archive_obj |
339db64d | 634 | |
5a196804 | 635 | upload_archive_obj |
339db64d | 636 | |
5a196804 | 637 | ;; |
339db64d | 638 | |
5a196804 MJ |
639 | *) |
640 | echo "Unknown error? Abort" | |
641 | exit 1 | |
642 | ;; | |
643 | esac | |
339db64d | 644 | |
5a196804 | 645 | select_compiler |
f3d8604b | 646 | |
7e02032c | 647 | ## BUILD modules |
5a196804 MJ |
648 | # Either we downloaded a pre-build kernel or we built it and uploaded |
649 | # the archive for future builds. | |
650 | ||
651 | cd "$WORKSPACE" | |
f3d8604b | 652 | |
339db64d | 653 | # Build modules against full kernel sources |
5a196804 | 654 | build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" |
f3d8604b | 655 | |
339db64d | 656 | # Build modules against kernel headers |
5a196804 | 657 | build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" |
f3d8604b | 658 | |
5a196804 MJ |
659 | # Make sure some modules were actually built |
660 | tree "${MODULES_OUTPUT_KSRC_DIR}" | |
661 | if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
662 | echo "No modules built!" |
663 | exit 1 | |
664 | fi | |
665 | ||
5a196804 MJ |
666 | tree "${MODULES_OUTPUT_KHDR_DIR}" |
667 | if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
668 | echo "No modules built!" |
669 | exit 1 | |
670 | fi | |
b214d997 | 671 | |
f3d8604b | 672 | # EOF |