Commit | Line | Data |
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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 | |
af101606 MJ |
153 | |
154 | # Disable riscv64 config generation, we don't have a toolchain on bionic | |
155 | sed -i 's/riscv64 //' debian.master/etc/kernelconfig | |
156 | ||
a46abb0a MJ |
157 | fakeroot debian/rules clean KW_DEFCONFIG_DIR=. |
158 | fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. | |
5a196804 | 159 | cp CONFIGS/"${ubuntu_config}" .config |
7e02032c | 160 | ;; |
c45b04df | 161 | |
7e02032c | 162 | *) |
16844a6d MJ |
163 | # Force 32bit build on i386, default is 64bit |
164 | if [ "$arch" = "i386" ]; then | |
5a196804 MJ |
165 | export ARCH="i386" |
166 | fi | |
167 | ||
168 | # allyesconfig is mostly broken for kernels of the 2.6 series | |
169 | if verlt "$kversion" "3.0"; then | |
170 | vanilla_config="defconfig" | |
7a76a4d0 MJ |
171 | fi |
172 | ||
5a196804 | 173 | make "${vanilla_config}" |
7e02032c MJ |
174 | ;; |
175 | esac | |
176 | ||
53b51a15 | 177 | # oldnoconfig was renamed in 4.19 |
5a196804 | 178 | if vergte "$kversion" "4.19"; then |
53b51a15 | 179 | update_conf_target="olddefconfig" |
5a196804 | 180 | else |
53b51a15 | 181 | update_conf_target="oldnoconfig" |
5a196804 MJ |
182 | fi |
183 | ||
184 | # Fix 'defined(@array)' was removed from recent perl | |
185 | if [ -f "kernel/timeconst.pl" ]; then | |
186 | sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl | |
187 | fi | |
188 | ||
189 | # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5 | |
53b51a15 | 190 | if [ "$HOSTCC" != "gcc-4.8" ]; then |
5a196804 MJ |
191 | if [ -f "arch/x86/kvm/svm.c" ]; then |
192 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c | |
193 | fi | |
194 | ||
195 | if [ -f "arch/x86/kvm/vmx.c" ]; then | |
196 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c | |
197 | fi | |
198 | fi | |
199 | ||
53b51a15 MJ |
200 | # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64 |
201 | # Convert them to 'cmpw' which was previously done silently | |
202 | if verlt "$kversion" "4.9"; then | |
203 | 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/" | |
204 | 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/" | |
205 | sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch/powerpc/boot/wrapper | |
206 | fi | |
207 | ||
5a196804 MJ |
208 | # Fix a typo in v2.6.36.x |
209 | if [ -f "arch/x86/kernel/entry_64.S" ]; then | |
210 | sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S | |
211 | fi | |
212 | ||
53b51a15 MJ |
213 | # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2 |
214 | if { vergte "$kversion" "2.6.36" && verlte "$kversion" "2.6.36.3"; }; then | |
215 | sed -i 's/-m elf_x86_64/-m64/' arch/x86/vdso/Makefile | |
216 | sed -i 's/-m elf_i386/-m32/' arch/x86/vdso/Makefile | |
217 | fi | |
218 | ||
5a196804 MJ |
219 | # Fix kernel < 3.0 with gcc >= 4.7 |
220 | if verlt "$kversion" "3.0"; then | |
221 | sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h | |
222 | sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h | |
223 | sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h | |
224 | echo "header-y += linkage.h" >> include/linux/Kbuild | |
225 | fi | |
226 | ||
7e02032c | 227 | # GCC 4.8 |
53b51a15 MJ |
228 | if [ "$HOSTCC" == "gcc-4.8" ]; then |
229 | scripts/config --disable CONFIG_CC_STACKPROTECTOR_STRONG | |
230 | fi | |
7e02032c MJ |
231 | |
232 | # Don't try to sign modules | |
53b51a15 | 233 | scripts/config --disable CONFIG_MODULE_SIG |
7e02032c | 234 | |
9ef18fa2 | 235 | # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails |
53b51a15 | 236 | scripts/config --disable CONFIG_STACK_VALIDATION |
5a196804 MJ |
237 | |
238 | # Cause problems with inline assembly on i386 | |
53b51a15 | 239 | scripts/config --disable CONFIG_DEBUG_SECTION_MISMATCH |
5a196804 | 240 | |
1d5a0a3c | 241 | # Don't build samples, they are broken on some kernel releases |
53b51a15 MJ |
242 | scripts/config --disable CONFIG_SAMPLES |
243 | scripts/config --disable CONFIG_BUILD_DOCSRC | |
c45b04df MJ |
244 | |
245 | # Disable kcov | |
53b51a15 | 246 | scripts/config --disable CONFIG_KCOV |
c45b04df MJ |
247 | |
248 | # Broken on some RT kernels | |
53b51a15 | 249 | scripts/config --disable CONFIG_HYPERV |
1d5a0a3c | 250 | |
1e300ea9 | 251 | # Broken drivers |
53b51a15 MJ |
252 | scripts/config --disable CONFIG_RAPIDIO_TSI721 |
253 | scripts/config --disable CONFIG_SGI_XP | |
254 | scripts/config --disable CONFIG_MFD_WM8994 | |
255 | scripts/config --disable CONFIG_DRM_RADEON | |
256 | scripts/config --disable CONFIG_SND_SOC_WM5100 | |
1e300ea9 | 257 | |
5a196804 MJ |
258 | # IGBVF won't build with recent gcc on 2.6.38.x |
259 | if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then | |
53b51a15 | 260 | scripts/config --disable CONFIG_IGBVF |
5a196804 | 261 | fi |
9ef18fa2 | 262 | |
51fa2ab3 | 263 | # Set required options |
53b51a15 MJ |
264 | scripts/config --enable CONFIG_TRACEPOINTS |
265 | scripts/config --enable CONFIG_KALLSYMS | |
266 | scripts/config --enable CONFIG_HIGH_RES_TIMERS | |
267 | scripts/config --enable CONFIG_KPROBES | |
268 | scripts/config --enable CONFIG_FTRACE | |
269 | scripts/config --enable CONFIG_BLK_DEV_IO_TRACE | |
270 | scripts/config --enable CONFIG_KALLSYMS_ALL | |
271 | scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS | |
272 | scripts/config --enable CONFIG_PERF_EVENTS | |
273 | scripts/config --enable CONFIG_EVENT_TRACING | |
274 | scripts/config --enable CONFIG_KRETPROBES | |
7e02032c | 275 | |
7a76a4d0 | 276 | # Debug |
5a196804 MJ |
277 | #cat .config |
278 | ||
279 | make "$update_conf_target" CC="$CC" | |
280 | make -j"$NPROC" CC="$CC" | |
281 | ||
c45b04df | 282 | krelease=$(make -s kernelrelease CC="$CC") |
5a196804 MJ |
283 | |
284 | # Save the kernel and modules | |
285 | mkdir -p "$LINUX_INSTOBJ_DIR/boot" | |
53b51a15 | 286 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC" |
f4c112e8 | 287 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC" |
5a196804 MJ |
288 | rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build" |
289 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
290 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
291 | } | |
292 | ||
293 | ||
294 | extract_distro_headers() { | |
295 | ||
296 | # Enter linux source dir | |
297 | cd "${LINUX_SRCOBJ_DIR}" | |
298 | ||
299 | ||
300 | # For RT kernels, copy version file | |
301 | if [ -s localversion-rt ]; then | |
302 | cp -a localversion-rt "${LINUX_HDROBJ_DIR}" | |
303 | fi | |
304 | ||
305 | # Copy all Makefile related stuff | |
306 | find . -path './include/*' -prune \ | |
307 | -o -path './scripts/*' -prune -o -type f \ | |
308 | \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ | |
309 | -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ | |
310 | -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
311 | ||
312 | # Copy base scripts and include dirs | |
313 | cp -a scripts include "${LINUX_HDROBJ_DIR}" | |
7e02032c | 314 | |
5a196804 MJ |
315 | # Copy arch includes |
316 | (find arch -name include -type d -print0 | \ | |
317 | xargs -0 -n1 -i: find : -type f) | \ | |
318 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
319 | ||
320 | # Copy arch scripts | |
321 | (find arch -name scripts -type d -print0 | \ | |
322 | xargs -0 -n1 -i: find : -type f) | \ | |
323 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
324 | ||
325 | # Cleanup scripts | |
326 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o" | |
327 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o" | |
328 | ||
04873cc3 | 329 | # On powerpc 32bits this object is required to link modules |
5a196804 | 330 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
331 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
332 | : | |
333 | else | |
04873cc3 MJ |
334 | cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/" |
335 | fi | |
5a196804 MJ |
336 | fi |
337 | ||
338 | # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support | |
339 | if [ "${karch}" = "arm64" ]; then | |
340 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then | |
341 | cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/" | |
342 | fi | |
343 | fi | |
344 | ||
345 | # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y | |
346 | if [ -f tools/objtool/objtool ]; then | |
347 | cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/" | |
348 | fi | |
349 | ||
350 | if [ -f "arch/x86/kernel/macros.s" ]; then | |
351 | cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/" | |
352 | fi | |
353 | ||
354 | # Copy modules related stuff, if available | |
355 | if [ -s Module.symvers ]; then | |
356 | cp Module.symvers "${LINUX_HDROBJ_DIR}" | |
357 | fi | |
358 | ||
359 | if [ -s System.map ]; then | |
360 | cp System.map "${LINUX_HDROBJ_DIR}" | |
361 | fi | |
362 | ||
363 | if [ -s Module.markers ]; then | |
364 | cp Module.markers "${LINUX_HDROBJ_DIR}" | |
365 | fi | |
366 | ||
367 | # Copy config file | |
368 | cp .config "${LINUX_HDROBJ_DIR}" | |
369 | ||
370 | # Make sure the Makefile and version.h have a matching timestamp so that | |
371 | # external modules can be built | |
372 | if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then | |
373 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" | |
374 | elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then | |
375 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h" | |
376 | else | |
377 | echo "Missing version.h" | |
378 | exit 1 | |
379 | fi | |
380 | touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h" | |
381 | ||
382 | # Copy .config to include/config/auto.conf so "make prepare" is unnecessary. | |
383 | cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf" | |
384 | ||
385 | # Finally clean the object files from the full source tree | |
386 | make clean | |
387 | ||
388 | # And regen the modules support files | |
389 | make modules_prepare CC="$CC" | |
51fa2ab3 | 390 | |
04873cc3 | 391 | # On powerpc 32bits this object is required to link modules |
d815b018 | 392 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
393 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
394 | : | |
395 | else | |
04873cc3 MJ |
396 | make arch/powerpc/lib/crtsavres.o CC="$CC" |
397 | fi | |
d815b018 MJ |
398 | fi |
399 | ||
7a76a4d0 | 400 | # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support |
a1ae361e | 401 | if [ "${karch}" = "arm64" ]; then |
c236528e | 402 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then |
5a196804 | 403 | make arch/arm64/kernel/ftrace-mod.o CC="$CC" |
a1ae361e MJ |
404 | fi |
405 | fi | |
406 | ||
7e02032c | 407 | # Version specific tasks |
a1ae361e | 408 | case "$ktag" in |
7e02032c MJ |
409 | Ubuntu*) |
410 | # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code | |
a1ae361e | 411 | ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')" |
5a196804 MJ |
412 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h |
413 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h" | |
7e02032c MJ |
414 | ;; |
415 | esac | |
7e02032c MJ |
416 | } |
417 | ||
418 | ||
339db64d MJ |
419 | build_modules() { |
420 | ||
5a196804 MJ |
421 | local kdir="$1" |
422 | local outdir="$2" | |
423 | local kversion | |
424 | ||
425 | kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion) | |
339db64d | 426 | |
339db64d | 427 | # Enter lttng-modules source dir |
5a196804 | 428 | cd "${MODULES_GIT_DIR}" |
339db64d MJ |
429 | |
430 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the | |
431 | # timekeeping subsystem. We want those build to fail. | |
5a196804 MJ |
432 | if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \ |
433 | { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then | |
339db64d MJ |
434 | |
435 | set +e | |
436 | ||
437 | # Build modules | |
51fa2ab3 | 438 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
0f71a764 | 439 | ret=$? |
339db64d | 440 | |
5a196804 MJ |
441 | set -e |
442 | ||
339db64d | 443 | # We expect this build to fail, if it doesn't, fail the job. |
0f71a764 | 444 | if [ "$ret" -eq 0 ]; then |
e9b44189 | 445 | echo "This build should have failed." |
339db64d MJ |
446 | exit 1 |
447 | fi | |
448 | ||
449 | # We have to publish at least one file or the build will fail | |
5a196804 | 450 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko" |
339db64d | 451 | |
5a196804 | 452 | KERNELDIR="${kdir}" make clean |
7e02032c | 453 | |
339db64d MJ |
454 | else # Regular build |
455 | ||
456 | # Build modules against full kernel sources | |
51fa2ab3 | 457 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
339db64d MJ |
458 | |
459 | # Install modules to build dir | |
5a196804 | 460 | KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install |
339db64d MJ |
461 | |
462 | # Clean build dir | |
5a196804 | 463 | KERNELDIR="${kdir}" make clean |
339db64d MJ |
464 | fi |
465 | } | |
466 | ||
467 | ||
468 | ## MAIN ## | |
469 | ||
f3d8604b MJ |
470 | # Use all CPU cores |
471 | NPROC=$(nproc) | |
472 | ||
5a196804 MJ |
473 | MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules" |
474 | LINUX_GIT_DIR="${WORKSPACE}/src/linux" | |
339db64d | 475 | |
5a196804 MJ |
476 | LINUX_OBJ_DIR="${WORKSPACE}/linux" |
477 | LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources" | |
478 | LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers" | |
479 | LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install" | |
339db64d | 480 | |
5a196804 MJ |
481 | MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc" |
482 | MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr" | |
339db64d | 483 | |
5a196804 MJ |
484 | LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/" |
485 | ||
486 | OBJ_STORE_URL="s3://jenkins" | |
487 | ||
488 | cd "$WORKSPACE" | |
489 | ||
490 | # Create build directories | |
491 | mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" | |
492 | ||
493 | git_clone_modules_sources | |
339db64d | 494 | |
7e02032c | 495 | # Setup cross compile env if available |
39961776 | 496 | if [ "x${cross_arch}" != "x" ]; then |
7e02032c MJ |
497 | |
498 | case "$cross_arch" in | |
499 | "armhf") | |
500 | karch="arm" | |
501 | cross_compile="arm-linux-gnueabihf-" | |
53b51a15 | 502 | vanilla_config="imx_v6_v7_defconfig" |
7e02032c MJ |
503 | ubuntu_config="armhf-config.flavour.generic" |
504 | ;; | |
505 | ||
506 | "arm64") | |
507 | karch="arm64" | |
508 | cross_compile="aarch64-linux-gnu-" | |
53b51a15 | 509 | vanilla_config="defconfig" |
7e02032c MJ |
510 | ubuntu_config="arm64-config.flavour.generic" |
511 | ;; | |
512 | ||
513 | "powerpc") | |
514 | karch="powerpc" | |
515 | cross_compile="powerpc-linux-gnu-" | |
e9b44189 | 516 | vanilla_config="ppc44x_defconfig" |
7e02032c MJ |
517 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
518 | ;; | |
519 | ||
520 | "ppc64el") | |
521 | karch="powerpc" | |
522 | cross_compile="powerpc64le-linux-gnu-" | |
e9b44189 | 523 | vanilla_config="pseries_le_defconfig" |
7e02032c MJ |
524 | ubuntu_config="ppc64el-config.flavour.generic" |
525 | ;; | |
526 | ||
527 | *) | |
51fa2ab3 | 528 | echo "Unsupported cross arch $cross_arch" |
7e02032c MJ |
529 | exit 1 |
530 | ;; | |
531 | esac | |
339db64d | 532 | |
7e02032c MJ |
533 | # Export variables used by Kbuild for cross compilation |
534 | export ARCH="${karch}" | |
535 | export CROSS_COMPILE="${cross_compile}" | |
339db64d | 536 | |
7e02032c | 537 | # Set arch specific values if we are not cross compiling |
39961776 | 538 | elif [ "x${arch}" != "x" ]; then |
e9b44189 | 539 | |
7e02032c | 540 | case "$arch" in |
16844a6d | 541 | "i386") |
7e02032c | 542 | karch="x86" |
e9b44189 | 543 | vanilla_config="allyesconfig" |
7e02032c MJ |
544 | ubuntu_config="i386-config.flavour.generic" |
545 | ;; | |
546 | ||
16844a6d | 547 | "amd64") |
7e02032c | 548 | karch="x86" |
e9b44189 | 549 | vanilla_config="allyesconfig" |
7e02032c MJ |
550 | ubuntu_config="amd64-config.flavour.generic" |
551 | ;; | |
552 | ||
553 | "armhf") | |
554 | karch="arm" | |
e9b44189 | 555 | vanilla_config="allyesconfig" |
7e02032c MJ |
556 | ubuntu_config="armhf-config.flavour.generic" |
557 | ;; | |
558 | ||
559 | "arm64") | |
560 | karch="arm64" | |
e9b44189 | 561 | vanilla_config="allyesconfig" |
7e02032c MJ |
562 | ubuntu_config="arm64-config.flavour.generic" |
563 | ;; | |
564 | ||
565 | "powerpc") | |
566 | karch="powerpc" | |
e9b44189 | 567 | vanilla_config="allyesconfig" |
7e02032c MJ |
568 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
569 | ;; | |
570 | ||
571 | "ppc64el") | |
572 | karch="powerpc" | |
e9b44189 | 573 | vanilla_config="allyesconfig" |
7e02032c MJ |
574 | ubuntu_config="ppc64el-config.flavour.generic" |
575 | ;; | |
576 | ||
577 | *) | |
578 | echo "Unsupported arch $arch" | |
579 | exit 1 | |
580 | ;; | |
581 | esac | |
582 | else | |
04873cc3 | 583 | echo "No arch or cross_arch specified" |
7e02032c MJ |
584 | exit 1 |
585 | fi | |
339db64d | 586 | |
339db64d | 587 | |
b214d997 | 588 | |
5a196804 MJ |
589 | # First get the kernel build from the object store, or build it, if it's |
590 | # not available. | |
339db64d | 591 | |
5a196804 MJ |
592 | echo "# Setup endpoint |
593 | host_base = obj.internal.efficios.com | |
594 | host_bucket = obj.internal.efficios.com | |
595 | bucket_location = us-east-1 | |
596 | use_https = True | |
7e02032c | 597 | |
5a196804 MJ |
598 | # Setup access keys |
599 | access_key = jenkins | |
600 | secret_key = echo123456 | |
339db64d | 601 | |
5a196804 MJ |
602 | # Enable S3 v4 signature APIs |
603 | signature_v2 = False" > "$WORKSPACE/.s3cfg" | |
339db64d | 604 | |
c45b04df | 605 | url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')" |
5a196804 | 606 | obj_name="linux.tar.bz2" |
87445931 MJ |
607 | |
608 | if [ "x${cross_arch}" = "x" ]; then | |
609 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/native" | |
610 | else | |
611 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/${cross_arch}" | |
612 | fi | |
613 | ||
5a196804 | 614 | obj_url="$obj_url_prefix/$obj_name" |
339db64d | 615 | |
5a196804 MJ |
616 | set +e |
617 | s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url" | |
618 | ret=$? | |
619 | set -e | |
339db64d | 620 | |
5a196804 MJ |
621 | case "$ret" in |
622 | "0") | |
623 | extract_archive_obj | |
624 | ;; | |
a1ae361e | 625 | |
5a196804 MJ |
626 | "12") |
627 | echo "File not found" | |
339db64d | 628 | |
5a196804 MJ |
629 | # Build all the things and upload |
630 | # then finish the module build... | |
339db64d | 631 | |
5a196804 MJ |
632 | git_clone_linux_sources |
633 | git_export_linux_sources | |
339db64d | 634 | |
5a196804 | 635 | select_compiler |
a1ae361e | 636 | |
5a196804 MJ |
637 | ## PREPARE FULL LINUX SOURCE TREE |
638 | build_linux_kernel | |
d138fc44 | 639 | |
5a196804 MJ |
640 | ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL |
641 | extract_distro_headers | |
339db64d | 642 | |
5a196804 | 643 | tar_archive_obj |
339db64d | 644 | |
5a196804 | 645 | upload_archive_obj |
339db64d | 646 | |
5a196804 | 647 | ;; |
339db64d | 648 | |
5a196804 MJ |
649 | *) |
650 | echo "Unknown error? Abort" | |
651 | exit 1 | |
652 | ;; | |
653 | esac | |
339db64d | 654 | |
5a196804 | 655 | select_compiler |
f3d8604b | 656 | |
7e02032c | 657 | ## BUILD modules |
5a196804 MJ |
658 | # Either we downloaded a pre-build kernel or we built it and uploaded |
659 | # the archive for future builds. | |
660 | ||
661 | cd "$WORKSPACE" | |
f3d8604b | 662 | |
339db64d | 663 | # Build modules against full kernel sources |
5a196804 | 664 | build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" |
f3d8604b | 665 | |
339db64d | 666 | # Build modules against kernel headers |
5a196804 | 667 | build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" |
f3d8604b | 668 | |
5a196804 MJ |
669 | # Make sure some modules were actually built |
670 | tree "${MODULES_OUTPUT_KSRC_DIR}" | |
671 | if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
672 | echo "No modules built!" |
673 | exit 1 | |
674 | fi | |
675 | ||
5a196804 MJ |
676 | tree "${MODULES_OUTPUT_KHDR_DIR}" |
677 | if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
678 | echo "No modules built!" |
679 | exit 1 | |
680 | fi | |
b214d997 | 681 | |
f3d8604b | 682 | # EOF |