Commit | Line | Data |
---|---|---|
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() { | |
51fa2ab3 | 35 | [ "$1" = "$2" ] && return 1 || verlte "$1" "$2" |
f3d8604b MJ |
36 | } |
37 | ||
38 | vergte() { | |
51fa2ab3 | 39 | [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ] |
f3d8604b MJ |
40 | } |
41 | ||
42 | vergt() { | |
51fa2ab3 | 43 | [ "$1" = "$2" ] && return 1 || vergte "$1" "$2" |
f3d8604b MJ |
44 | } |
45 | ||
339db64d | 46 | |
5a196804 MJ |
47 | git_clone_modules_sources() { |
48 | mkdir -p "$MODULES_GIT_DIR" | |
49 | git clone --depth=1 -b "${mversion}" "${mgitrepo}" "$MODULES_GIT_DIR" | |
50 | } | |
51 | ||
52 | # Checkout a shallow kernel tree of the specified tag | |
53 | git_clone_linux_sources() { | |
54 | mkdir -p "$LINUX_GIT_DIR" | |
55 | git clone --depth=1 -b "${ktag}" --reference "$LINUX_GIT_REF_REPO_DIR" "${kgitrepo}" "$LINUX_GIT_DIR" | |
56 | } | |
7e02032c | 57 | |
7e02032c | 58 | |
5a196804 MJ |
59 | # Export the kernel sources from the git repo |
60 | git_export_linux_sources() { | |
61 | cd "$LINUX_GIT_DIR" | |
62 | git archive "${ktag}" | tar -x -C "$LINUX_SRCOBJ_DIR" | |
63 | } | |
64 | ||
65 | ||
66 | # Upload the tar archive to the object store | |
67 | upload_archive_obj() { | |
68 | s3cmd -c "$WORKSPACE/.s3cfg" put "$WORKSPACE/$obj_name" "$obj_url_prefix/" | |
69 | rm -f "$WORKSPACE/$obj_name" | |
70 | } | |
71 | ||
72 | ||
73 | extract_archive_obj() { | |
74 | tar -xf "$WORKSPACE/$obj_name" -C "$LINUX_OBJ_DIR" | |
75 | rm -f "$WORKSPACE/$obj_name" | |
76 | } | |
77 | ||
78 | ||
79 | tar_archive_obj() { | |
80 | cd "$LINUX_OBJ_DIR" | |
81 | tar -cf "$WORKSPACE/$obj_name" -I pbzip2 . | |
82 | cd - | |
83 | } | |
84 | ||
85 | # Find the most recent GCC version supported by the kernel sources | |
86 | select_compiler() { | |
87 | local selected_cc | |
88 | ||
89 | cd "$LINUX_SRCOBJ_DIR" | |
90 | ||
91 | kversion=$(make -s kernelversion) | |
92 | ||
93 | set +e | |
94 | ||
1d5a0a3c | 95 | for cc in gcc-5 gcc-4.8; do |
5a196804 MJ |
96 | if "${CROSS_COMPILE:-}${cc}" -I include/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include/linux/compiler-gcc.h; then |
97 | selected_cc="$cc" | |
98 | break | |
99 | fi | |
100 | done | |
101 | ||
102 | set -e | |
103 | ||
104 | if [ "x$selected_cc" = "x" ]; then | |
105 | echo "Found no suitable compiler." | |
106 | exit 1 | |
107 | fi | |
108 | ||
1d5a0a3c MJ |
109 | # Force gcc-4.8 for kernels before 3.18 |
110 | if { verlt "$kversion" "3.18"; }; then | |
23db2292 | 111 | selected_cc=gcc-4.8 |
7e02032c MJ |
112 | fi |
113 | ||
425e4992 MJ |
114 | if [ "$selected_cc" != "gcc-4.8" ]; then |
115 | # Older kernel Makefiles do not expect the compiler to default to PIE | |
116 | KAFLAGS="-fno-pie" | |
c45b04df | 117 | KCFLAGS="-fno-pie -no-pie -fno-stack-protector" |
425e4992 MJ |
118 | KCPPFLAGS="-fno-pie" |
119 | export KAFLAGS KCFLAGS KCPPFLAGS | |
120 | fi | |
121 | ||
5a196804 | 122 | export CC="${CROSS_COMPILE:-}${selected_cc}" |
1d5a0a3c | 123 | export HOSTCC="${selected_cc}" |
5a196804 MJ |
124 | |
125 | cd - | |
126 | } | |
127 | ||
128 | ||
129 | build_linux_kernel() { | |
130 | cd "$LINUX_SRCOBJ_DIR" | |
131 | ||
132 | kversion=$(make -s kernelversion) | |
133 | ||
7e02032c | 134 | # Generate kernel configuration |
a1ae361e | 135 | case "$ktag" in |
7e02032c | 136 | Ubuntu*) |
39961776 | 137 | if [ "${cross_arch}" = "powerpc" ]; then |
5a196804 | 138 | if vergte "${kversion}" "4.10"; then |
39961776 MJ |
139 | echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it." |
140 | exit 0 | |
141 | fi | |
142 | fi | |
a46abb0a MJ |
143 | fakeroot debian/rules clean KW_DEFCONFIG_DIR=. |
144 | fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. | |
5a196804 | 145 | cp CONFIGS/"${ubuntu_config}" .config |
7e02032c | 146 | ;; |
c45b04df | 147 | |
7e02032c | 148 | *) |
16844a6d MJ |
149 | # Force 32bit build on i386, default is 64bit |
150 | if [ "$arch" = "i386" ]; then | |
5a196804 MJ |
151 | export ARCH="i386" |
152 | fi | |
153 | ||
154 | # allyesconfig is mostly broken for kernels of the 2.6 series | |
155 | if verlt "$kversion" "3.0"; then | |
156 | vanilla_config="defconfig" | |
7a76a4d0 MJ |
157 | fi |
158 | ||
5a196804 | 159 | make "${vanilla_config}" |
7e02032c MJ |
160 | ;; |
161 | esac | |
162 | ||
53b51a15 | 163 | # oldnoconfig was renamed in 4.19 |
5a196804 | 164 | if vergte "$kversion" "4.19"; then |
53b51a15 | 165 | update_conf_target="olddefconfig" |
5a196804 | 166 | else |
53b51a15 | 167 | update_conf_target="oldnoconfig" |
5a196804 MJ |
168 | fi |
169 | ||
170 | # Fix 'defined(@array)' was removed from recent perl | |
171 | if [ -f "kernel/timeconst.pl" ]; then | |
172 | sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl | |
173 | fi | |
174 | ||
175 | # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5 | |
53b51a15 | 176 | if [ "$HOSTCC" != "gcc-4.8" ]; then |
5a196804 MJ |
177 | if [ -f "arch/x86/kvm/svm.c" ]; then |
178 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c | |
179 | fi | |
180 | ||
181 | if [ -f "arch/x86/kvm/vmx.c" ]; then | |
182 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c | |
183 | fi | |
184 | fi | |
185 | ||
53b51a15 MJ |
186 | # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64 |
187 | # Convert them to 'cmpw' which was previously done silently | |
188 | if verlt "$kversion" "4.9"; then | |
189 | 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/" | |
190 | 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/" | |
191 | sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch/powerpc/boot/wrapper | |
192 | fi | |
193 | ||
5a196804 MJ |
194 | # Fix a typo in v2.6.36.x |
195 | if [ -f "arch/x86/kernel/entry_64.S" ]; then | |
196 | sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S | |
197 | fi | |
198 | ||
53b51a15 MJ |
199 | # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2 |
200 | if { vergte "$kversion" "2.6.36" && verlte "$kversion" "2.6.36.3"; }; then | |
201 | sed -i 's/-m elf_x86_64/-m64/' arch/x86/vdso/Makefile | |
202 | sed -i 's/-m elf_i386/-m32/' arch/x86/vdso/Makefile | |
203 | fi | |
204 | ||
5a196804 MJ |
205 | # Fix kernel < 3.0 with gcc >= 4.7 |
206 | if verlt "$kversion" "3.0"; then | |
207 | sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h | |
208 | sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h | |
209 | sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h | |
210 | echo "header-y += linkage.h" >> include/linux/Kbuild | |
211 | fi | |
212 | ||
7e02032c | 213 | # GCC 4.8 |
53b51a15 MJ |
214 | if [ "$HOSTCC" == "gcc-4.8" ]; then |
215 | scripts/config --disable CONFIG_CC_STACKPROTECTOR_STRONG | |
216 | fi | |
7e02032c MJ |
217 | |
218 | # Don't try to sign modules | |
53b51a15 | 219 | scripts/config --disable CONFIG_MODULE_SIG |
7e02032c | 220 | |
9ef18fa2 | 221 | # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails |
53b51a15 | 222 | scripts/config --disable CONFIG_STACK_VALIDATION |
5a196804 MJ |
223 | |
224 | # Cause problems with inline assembly on i386 | |
53b51a15 | 225 | scripts/config --disable CONFIG_DEBUG_SECTION_MISMATCH |
5a196804 | 226 | |
1d5a0a3c | 227 | # Don't build samples, they are broken on some kernel releases |
53b51a15 MJ |
228 | scripts/config --disable CONFIG_SAMPLES |
229 | scripts/config --disable CONFIG_BUILD_DOCSRC | |
c45b04df MJ |
230 | |
231 | # Disable kcov | |
53b51a15 | 232 | scripts/config --disable CONFIG_KCOV |
c45b04df MJ |
233 | |
234 | # Broken on some RT kernels | |
53b51a15 | 235 | scripts/config --disable CONFIG_HYPERV |
1d5a0a3c | 236 | |
1e300ea9 | 237 | # Broken drivers |
53b51a15 MJ |
238 | scripts/config --disable CONFIG_RAPIDIO_TSI721 |
239 | scripts/config --disable CONFIG_SGI_XP | |
240 | scripts/config --disable CONFIG_MFD_WM8994 | |
241 | scripts/config --disable CONFIG_DRM_RADEON | |
242 | scripts/config --disable CONFIG_SND_SOC_WM5100 | |
1e300ea9 | 243 | |
5a196804 MJ |
244 | # IGBVF won't build with recent gcc on 2.6.38.x |
245 | if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then | |
53b51a15 | 246 | scripts/config --disable CONFIG_IGBVF |
5a196804 | 247 | fi |
9ef18fa2 | 248 | |
51fa2ab3 | 249 | # Set required options |
53b51a15 MJ |
250 | scripts/config --enable CONFIG_TRACEPOINTS |
251 | scripts/config --enable CONFIG_KALLSYMS | |
252 | scripts/config --enable CONFIG_HIGH_RES_TIMERS | |
253 | scripts/config --enable CONFIG_KPROBES | |
254 | scripts/config --enable CONFIG_FTRACE | |
255 | scripts/config --enable CONFIG_BLK_DEV_IO_TRACE | |
256 | scripts/config --enable CONFIG_KALLSYMS_ALL | |
257 | scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS | |
258 | scripts/config --enable CONFIG_PERF_EVENTS | |
259 | scripts/config --enable CONFIG_EVENT_TRACING | |
260 | scripts/config --enable CONFIG_KRETPROBES | |
7e02032c | 261 | |
7a76a4d0 | 262 | # Debug |
5a196804 MJ |
263 | #cat .config |
264 | ||
265 | make "$update_conf_target" CC="$CC" | |
266 | make -j"$NPROC" CC="$CC" | |
267 | ||
c45b04df | 268 | krelease=$(make -s kernelrelease CC="$CC") |
5a196804 MJ |
269 | |
270 | # Save the kernel and modules | |
271 | mkdir -p "$LINUX_INSTOBJ_DIR/boot" | |
53b51a15 MJ |
272 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC" |
273 | make INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC" | |
5a196804 MJ |
274 | rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build" |
275 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
276 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
277 | } | |
278 | ||
279 | ||
280 | extract_distro_headers() { | |
281 | ||
282 | # Enter linux source dir | |
283 | cd "${LINUX_SRCOBJ_DIR}" | |
284 | ||
285 | ||
286 | # For RT kernels, copy version file | |
287 | if [ -s localversion-rt ]; then | |
288 | cp -a localversion-rt "${LINUX_HDROBJ_DIR}" | |
289 | fi | |
290 | ||
291 | # Copy all Makefile related stuff | |
292 | find . -path './include/*' -prune \ | |
293 | -o -path './scripts/*' -prune -o -type f \ | |
294 | \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ | |
295 | -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ | |
296 | -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
297 | ||
298 | # Copy base scripts and include dirs | |
299 | cp -a scripts include "${LINUX_HDROBJ_DIR}" | |
7e02032c | 300 | |
5a196804 MJ |
301 | # Copy arch includes |
302 | (find arch -name include -type d -print0 | \ | |
303 | xargs -0 -n1 -i: find : -type f) | \ | |
304 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
305 | ||
306 | # Copy arch scripts | |
307 | (find arch -name scripts -type d -print0 | \ | |
308 | xargs -0 -n1 -i: find : -type f) | \ | |
309 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
310 | ||
311 | # Cleanup scripts | |
312 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o" | |
313 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o" | |
314 | ||
315 | # On powerpc this object is required to link modules | |
316 | if [ "${karch}" = "powerpc" ]; then | |
317 | cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/" | |
318 | fi | |
319 | ||
320 | # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support | |
321 | if [ "${karch}" = "arm64" ]; then | |
322 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then | |
323 | cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/" | |
324 | fi | |
325 | fi | |
326 | ||
327 | # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y | |
328 | if [ -f tools/objtool/objtool ]; then | |
329 | cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/" | |
330 | fi | |
331 | ||
332 | if [ -f "arch/x86/kernel/macros.s" ]; then | |
333 | cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/" | |
334 | fi | |
335 | ||
336 | # Copy modules related stuff, if available | |
337 | if [ -s Module.symvers ]; then | |
338 | cp Module.symvers "${LINUX_HDROBJ_DIR}" | |
339 | fi | |
340 | ||
341 | if [ -s System.map ]; then | |
342 | cp System.map "${LINUX_HDROBJ_DIR}" | |
343 | fi | |
344 | ||
345 | if [ -s Module.markers ]; then | |
346 | cp Module.markers "${LINUX_HDROBJ_DIR}" | |
347 | fi | |
348 | ||
349 | # Copy config file | |
350 | cp .config "${LINUX_HDROBJ_DIR}" | |
351 | ||
352 | # Make sure the Makefile and version.h have a matching timestamp so that | |
353 | # external modules can be built | |
354 | if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then | |
355 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" | |
356 | elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then | |
357 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h" | |
358 | else | |
359 | echo "Missing version.h" | |
360 | exit 1 | |
361 | fi | |
362 | touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h" | |
363 | ||
364 | # Copy .config to include/config/auto.conf so "make prepare" is unnecessary. | |
365 | cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf" | |
366 | ||
367 | # Finally clean the object files from the full source tree | |
368 | make clean | |
369 | ||
370 | # And regen the modules support files | |
371 | make modules_prepare CC="$CC" | |
51fa2ab3 | 372 | |
d815b018 MJ |
373 | # On powerpc this object is required to link modules |
374 | if [ "${karch}" = "powerpc" ]; then | |
5a196804 | 375 | make arch/powerpc/lib/crtsavres.o CC="$CC" |
d815b018 MJ |
376 | fi |
377 | ||
7a76a4d0 | 378 | # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support |
a1ae361e | 379 | if [ "${karch}" = "arm64" ]; then |
c236528e | 380 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then |
5a196804 | 381 | make arch/arm64/kernel/ftrace-mod.o CC="$CC" |
a1ae361e MJ |
382 | fi |
383 | fi | |
384 | ||
7e02032c | 385 | # Version specific tasks |
a1ae361e | 386 | case "$ktag" in |
7e02032c MJ |
387 | Ubuntu*) |
388 | # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code | |
a1ae361e | 389 | ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')" |
5a196804 MJ |
390 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h |
391 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h" | |
7e02032c MJ |
392 | ;; |
393 | esac | |
7e02032c MJ |
394 | } |
395 | ||
396 | ||
339db64d MJ |
397 | build_modules() { |
398 | ||
5a196804 MJ |
399 | local kdir="$1" |
400 | local outdir="$2" | |
401 | local kversion | |
402 | ||
403 | kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion) | |
339db64d | 404 | |
339db64d | 405 | # Enter lttng-modules source dir |
5a196804 | 406 | cd "${MODULES_GIT_DIR}" |
339db64d MJ |
407 | |
408 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the | |
409 | # timekeeping subsystem. We want those build to fail. | |
5a196804 MJ |
410 | if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \ |
411 | { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then | |
339db64d MJ |
412 | |
413 | set +e | |
414 | ||
415 | # Build modules | |
51fa2ab3 | 416 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
0f71a764 | 417 | ret=$? |
339db64d | 418 | |
5a196804 MJ |
419 | set -e |
420 | ||
339db64d | 421 | # We expect this build to fail, if it doesn't, fail the job. |
0f71a764 | 422 | if [ "$ret" -eq 0 ]; then |
e9b44189 | 423 | echo "This build should have failed." |
339db64d MJ |
424 | exit 1 |
425 | fi | |
426 | ||
427 | # We have to publish at least one file or the build will fail | |
5a196804 | 428 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko" |
339db64d | 429 | |
5a196804 | 430 | KERNELDIR="${kdir}" make clean |
7e02032c | 431 | |
339db64d MJ |
432 | else # Regular build |
433 | ||
434 | # Build modules against full kernel sources | |
51fa2ab3 | 435 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
339db64d MJ |
436 | |
437 | # Install modules to build dir | |
5a196804 | 438 | KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install |
339db64d MJ |
439 | |
440 | # Clean build dir | |
5a196804 | 441 | KERNELDIR="${kdir}" make clean |
339db64d MJ |
442 | fi |
443 | } | |
444 | ||
445 | ||
446 | ## MAIN ## | |
447 | ||
f3d8604b MJ |
448 | # Use all CPU cores |
449 | NPROC=$(nproc) | |
450 | ||
5a196804 MJ |
451 | MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules" |
452 | LINUX_GIT_DIR="${WORKSPACE}/src/linux" | |
339db64d | 453 | |
5a196804 MJ |
454 | LINUX_OBJ_DIR="${WORKSPACE}/linux" |
455 | LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources" | |
456 | LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers" | |
457 | LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install" | |
339db64d | 458 | |
5a196804 MJ |
459 | MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc" |
460 | MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr" | |
339db64d | 461 | |
5a196804 MJ |
462 | LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/" |
463 | ||
464 | OBJ_STORE_URL="s3://jenkins" | |
465 | ||
466 | cd "$WORKSPACE" | |
467 | ||
468 | # Create build directories | |
469 | mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" | |
470 | ||
471 | git_clone_modules_sources | |
339db64d | 472 | |
7e02032c | 473 | # Setup cross compile env if available |
39961776 | 474 | if [ "x${cross_arch}" != "x" ]; then |
7e02032c MJ |
475 | |
476 | case "$cross_arch" in | |
477 | "armhf") | |
478 | karch="arm" | |
479 | cross_compile="arm-linux-gnueabihf-" | |
53b51a15 | 480 | vanilla_config="imx_v6_v7_defconfig" |
7e02032c MJ |
481 | ubuntu_config="armhf-config.flavour.generic" |
482 | ;; | |
483 | ||
484 | "arm64") | |
485 | karch="arm64" | |
486 | cross_compile="aarch64-linux-gnu-" | |
53b51a15 | 487 | vanilla_config="defconfig" |
7e02032c MJ |
488 | ubuntu_config="arm64-config.flavour.generic" |
489 | ;; | |
490 | ||
491 | "powerpc") | |
492 | karch="powerpc" | |
493 | cross_compile="powerpc-linux-gnu-" | |
e9b44189 | 494 | vanilla_config="ppc44x_defconfig" |
7e02032c MJ |
495 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
496 | ;; | |
497 | ||
498 | "ppc64el") | |
499 | karch="powerpc" | |
500 | cross_compile="powerpc64le-linux-gnu-" | |
e9b44189 | 501 | vanilla_config="pseries_le_defconfig" |
7e02032c MJ |
502 | ubuntu_config="ppc64el-config.flavour.generic" |
503 | ;; | |
504 | ||
505 | *) | |
51fa2ab3 | 506 | echo "Unsupported cross arch $cross_arch" |
7e02032c MJ |
507 | exit 1 |
508 | ;; | |
509 | esac | |
339db64d | 510 | |
7e02032c MJ |
511 | # Export variables used by Kbuild for cross compilation |
512 | export ARCH="${karch}" | |
513 | export CROSS_COMPILE="${cross_compile}" | |
339db64d | 514 | |
7e02032c | 515 | # Set arch specific values if we are not cross compiling |
39961776 | 516 | elif [ "x${arch}" != "x" ]; then |
e9b44189 | 517 | |
7e02032c | 518 | case "$arch" in |
16844a6d | 519 | "i386") |
7e02032c | 520 | karch="x86" |
e9b44189 | 521 | vanilla_config="allyesconfig" |
7e02032c MJ |
522 | ubuntu_config="i386-config.flavour.generic" |
523 | ;; | |
524 | ||
16844a6d | 525 | "amd64") |
7e02032c | 526 | karch="x86" |
e9b44189 | 527 | vanilla_config="allyesconfig" |
7e02032c MJ |
528 | ubuntu_config="amd64-config.flavour.generic" |
529 | ;; | |
530 | ||
531 | "armhf") | |
532 | karch="arm" | |
e9b44189 | 533 | vanilla_config="allyesconfig" |
7e02032c MJ |
534 | ubuntu_config="armhf-config.flavour.generic" |
535 | ;; | |
536 | ||
537 | "arm64") | |
538 | karch="arm64" | |
e9b44189 | 539 | vanilla_config="allyesconfig" |
7e02032c MJ |
540 | ubuntu_config="arm64-config.flavour.generic" |
541 | ;; | |
542 | ||
543 | "powerpc") | |
544 | karch="powerpc" | |
e9b44189 | 545 | vanilla_config="allyesconfig" |
7e02032c MJ |
546 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
547 | ;; | |
548 | ||
549 | "ppc64el") | |
550 | karch="powerpc" | |
e9b44189 | 551 | vanilla_config="allyesconfig" |
7e02032c MJ |
552 | ubuntu_config="ppc64el-config.flavour.generic" |
553 | ;; | |
554 | ||
555 | *) | |
556 | echo "Unsupported arch $arch" | |
557 | exit 1 | |
558 | ;; | |
559 | esac | |
560 | else | |
561 | echo "Not arch or cross_arch specified" | |
562 | exit 1 | |
563 | fi | |
339db64d | 564 | |
339db64d | 565 | |
b214d997 | 566 | |
5a196804 MJ |
567 | # First get the kernel build from the object store, or build it, if it's |
568 | # not available. | |
339db64d | 569 | |
5a196804 MJ |
570 | echo "# Setup endpoint |
571 | host_base = obj.internal.efficios.com | |
572 | host_bucket = obj.internal.efficios.com | |
573 | bucket_location = us-east-1 | |
574 | use_https = True | |
7e02032c | 575 | |
5a196804 MJ |
576 | # Setup access keys |
577 | access_key = jenkins | |
578 | secret_key = echo123456 | |
339db64d | 579 | |
5a196804 MJ |
580 | # Enable S3 v4 signature APIs |
581 | signature_v2 = False" > "$WORKSPACE/.s3cfg" | |
339db64d | 582 | |
c45b04df | 583 | url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')" |
5a196804 | 584 | obj_name="linux.tar.bz2" |
c45b04df | 585 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/${cross_arch:-native}" |
5a196804 | 586 | obj_url="$obj_url_prefix/$obj_name" |
339db64d | 587 | |
5a196804 MJ |
588 | set +e |
589 | s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url" | |
590 | ret=$? | |
591 | set -e | |
339db64d | 592 | |
5a196804 MJ |
593 | case "$ret" in |
594 | "0") | |
595 | extract_archive_obj | |
596 | ;; | |
a1ae361e | 597 | |
5a196804 MJ |
598 | "12") |
599 | echo "File not found" | |
339db64d | 600 | |
5a196804 MJ |
601 | # Build all the things and upload |
602 | # then finish the module build... | |
339db64d | 603 | |
5a196804 MJ |
604 | git_clone_linux_sources |
605 | git_export_linux_sources | |
339db64d | 606 | |
5a196804 | 607 | select_compiler |
a1ae361e | 608 | |
5a196804 MJ |
609 | ## PREPARE FULL LINUX SOURCE TREE |
610 | build_linux_kernel | |
d138fc44 | 611 | |
5a196804 MJ |
612 | ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL |
613 | extract_distro_headers | |
339db64d | 614 | |
5a196804 | 615 | tar_archive_obj |
339db64d | 616 | |
5a196804 | 617 | upload_archive_obj |
339db64d | 618 | |
5a196804 | 619 | ;; |
339db64d | 620 | |
5a196804 MJ |
621 | *) |
622 | echo "Unknown error? Abort" | |
623 | exit 1 | |
624 | ;; | |
625 | esac | |
339db64d | 626 | |
5a196804 | 627 | select_compiler |
f3d8604b | 628 | |
7e02032c | 629 | ## BUILD modules |
5a196804 MJ |
630 | # Either we downloaded a pre-build kernel or we built it and uploaded |
631 | # the archive for future builds. | |
632 | ||
633 | cd "$WORKSPACE" | |
f3d8604b | 634 | |
339db64d | 635 | # Build modules against full kernel sources |
5a196804 | 636 | build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" |
f3d8604b | 637 | |
339db64d | 638 | # Build modules against kernel headers |
5a196804 | 639 | build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" |
f3d8604b | 640 | |
5a196804 MJ |
641 | # Make sure some modules were actually built |
642 | tree "${MODULES_OUTPUT_KSRC_DIR}" | |
643 | if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
644 | echo "No modules built!" |
645 | exit 1 | |
646 | fi | |
647 | ||
5a196804 MJ |
648 | tree "${MODULES_OUTPUT_KHDR_DIR}" |
649 | if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
650 | echo "No modules built!" |
651 | exit 1 | |
652 | fi | |
b214d997 | 653 | |
f3d8604b | 654 | # EOF |