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5a196804 | 1 | #!/bin/bash -exu |
f3d8604b | 2 | # |
5a196804 | 3 | # Copyright (C) 2016-2018 - 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=$(make -s kernelversion) | |
92 | ||
93 | set +e | |
94 | ||
23db2292 | 95 | for cc in gcc-7 gcc-5 gcc-4.8; do |
5a196804 MJ |
96 | if "${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$selected_cc" = "x" ]; then | |
105 | echo "Found no suitable compiler." | |
106 | exit 1 | |
107 | fi | |
108 | ||
109 | # Force gcc-4 for buggy kernel branches | |
110 | if { vergte "$kversion" "3.2" && verlt "$kversion" "3.3"; } || \ | |
111 | { vergte "$kversion" "3.4" && verlt "$kversion" "3.5"; } || \ | |
112 | { vergte "$kversion" "3.17" && verlt "$kversion" "3.18"; }; then | |
23db2292 | 113 | selected_cc=gcc-4.8 |
7e02032c MJ |
114 | fi |
115 | ||
5a196804 MJ |
116 | case "$ktag" in |
117 | Ubuntu*) | |
118 | if { vergte "$kversion" "3.13" && verlt "$kversion" "3.14"; }; then | |
23db2292 | 119 | selected_cc=gcc-4.8 |
5a196804 MJ |
120 | fi |
121 | ;; | |
122 | esac | |
123 | ||
425e4992 MJ |
124 | if [ "$selected_cc" != "gcc-4.8" ]; then |
125 | # Older kernel Makefiles do not expect the compiler to default to PIE | |
126 | KAFLAGS="-fno-pie" | |
127 | KCFLAGS="-fno-pie -no-pie" | |
128 | KCPPFLAGS="-fno-pie" | |
129 | export KAFLAGS KCFLAGS KCPPFLAGS | |
130 | fi | |
131 | ||
5a196804 MJ |
132 | export CC="${CROSS_COMPILE:-}${selected_cc}" |
133 | ||
134 | cd - | |
135 | } | |
136 | ||
137 | ||
138 | build_linux_kernel() { | |
139 | cd "$LINUX_SRCOBJ_DIR" | |
140 | ||
141 | kversion=$(make -s kernelversion) | |
142 | ||
7e02032c | 143 | # Generate kernel configuration |
a1ae361e | 144 | case "$ktag" in |
7e02032c | 145 | Ubuntu*) |
39961776 | 146 | if [ "${cross_arch}" = "powerpc" ]; then |
5a196804 | 147 | if vergte "${kversion}" "4.10"; then |
39961776 MJ |
148 | echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it." |
149 | exit 0 | |
150 | fi | |
151 | fi | |
a46abb0a MJ |
152 | fakeroot debian/rules clean KW_DEFCONFIG_DIR=. |
153 | fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. | |
5a196804 | 154 | cp CONFIGS/"${ubuntu_config}" .config |
7e02032c MJ |
155 | ;; |
156 | *) | |
16844a6d MJ |
157 | # Force 32bit build on i386, default is 64bit |
158 | if [ "$arch" = "i386" ]; then | |
5a196804 MJ |
159 | export ARCH="i386" |
160 | fi | |
161 | ||
162 | # allyesconfig is mostly broken for kernels of the 2.6 series | |
163 | if verlt "$kversion" "3.0"; then | |
164 | vanilla_config="defconfig" | |
7a76a4d0 MJ |
165 | fi |
166 | ||
5a196804 | 167 | make "${vanilla_config}" |
7e02032c MJ |
168 | ;; |
169 | esac | |
170 | ||
5a196804 MJ |
171 | # silentoldconfig was renamed in 4.19 |
172 | if vergte "$kversion" "4.19"; then | |
173 | update_conf_target="syncconfig" | |
174 | else | |
175 | update_conf_target="silentoldconfig" | |
176 | fi | |
177 | ||
178 | # Fix 'defined(@array)' was removed from recent perl | |
179 | if [ -f "kernel/timeconst.pl" ]; then | |
180 | sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl | |
181 | fi | |
182 | ||
183 | # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5 | |
23db2292 | 184 | if [ "$CC" != "gcc-4.8" ]; then |
5a196804 MJ |
185 | if [ -f "arch/x86/kvm/svm.c" ]; then |
186 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c | |
187 | fi | |
188 | ||
189 | if [ -f "arch/x86/kvm/vmx.c" ]; then | |
190 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c | |
191 | fi | |
192 | fi | |
193 | ||
194 | # Fix a typo in v2.6.36.x | |
195 | if [ -f "arch/x86/kernel/entry_64.S" ]; then | |
196 | sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S | |
197 | fi | |
198 | ||
199 | # Fix kernel < 3.0 with gcc >= 4.7 | |
200 | if verlt "$kversion" "3.0"; then | |
201 | sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h | |
202 | sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h | |
203 | sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h | |
204 | echo "header-y += linkage.h" >> include/linux/Kbuild | |
205 | fi | |
206 | ||
7e02032c | 207 | # GCC 4.8 |
5a196804 | 208 | sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" .config |
7e02032c MJ |
209 | |
210 | # Don't try to sign modules | |
5a196804 | 211 | sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" .config |
7e02032c | 212 | |
9ef18fa2 | 213 | # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails |
5a196804 MJ |
214 | sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION is not set/g" .config |
215 | ||
216 | # Cause problems with inline assembly on i386 | |
217 | sed -i "s/CONFIG_DEBUG_SECTION_MISMATCH=y/# CONFIG_DEBUG_SECTION_MISMATCH is not set/g" .config | |
218 | ||
219 | # IGBVF won't build with recent gcc on 2.6.38.x | |
220 | if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then | |
221 | sed -i "s/CONFIG_IGBVF=y/# CONFIG_IGBVF is not set/g" .config | |
222 | fi | |
9ef18fa2 | 223 | |
51fa2ab3 MJ |
224 | # Set required options |
225 | { | |
226 | echo "CONFIG_KPROBES=y"; | |
227 | echo "CONFIG_FTRACE=y"; | |
228 | echo "CONFIG_BLK_DEV_IO_TRACE=y"; | |
229 | echo "CONFIG_TRACEPOINTS=y"; | |
230 | echo "CONFIG_KALLSYMS_ALL=y"; | |
5a196804 | 231 | } >> .config |
7e02032c | 232 | |
7a76a4d0 | 233 | # Debug |
5a196804 MJ |
234 | #cat .config |
235 | ||
236 | make "$update_conf_target" CC="$CC" | |
237 | make -j"$NPROC" CC="$CC" | |
238 | ||
239 | krelease=$(make -s kernelrelease) | |
240 | ||
241 | # Save the kernel and modules | |
242 | mkdir -p "$LINUX_INSTOBJ_DIR/boot" | |
243 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install | |
244 | make INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install | |
245 | rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build" | |
246 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
247 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
248 | } | |
249 | ||
250 | ||
251 | extract_distro_headers() { | |
252 | ||
253 | # Enter linux source dir | |
254 | cd "${LINUX_SRCOBJ_DIR}" | |
255 | ||
256 | ||
257 | # For RT kernels, copy version file | |
258 | if [ -s localversion-rt ]; then | |
259 | cp -a localversion-rt "${LINUX_HDROBJ_DIR}" | |
260 | fi | |
261 | ||
262 | # Copy all Makefile related stuff | |
263 | find . -path './include/*' -prune \ | |
264 | -o -path './scripts/*' -prune -o -type f \ | |
265 | \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ | |
266 | -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ | |
267 | -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
268 | ||
269 | # Copy base scripts and include dirs | |
270 | cp -a scripts include "${LINUX_HDROBJ_DIR}" | |
7e02032c | 271 | |
5a196804 MJ |
272 | # Copy arch includes |
273 | (find arch -name include -type d -print0 | \ | |
274 | xargs -0 -n1 -i: find : -type f) | \ | |
275 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
276 | ||
277 | # Copy arch scripts | |
278 | (find arch -name scripts -type d -print0 | \ | |
279 | xargs -0 -n1 -i: find : -type f) | \ | |
280 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
281 | ||
282 | # Cleanup scripts | |
283 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o" | |
284 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o" | |
285 | ||
286 | # On powerpc this object is required to link modules | |
287 | if [ "${karch}" = "powerpc" ]; then | |
288 | cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/" | |
289 | fi | |
290 | ||
291 | # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support | |
292 | if [ "${karch}" = "arm64" ]; then | |
293 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then | |
294 | cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/" | |
295 | fi | |
296 | fi | |
297 | ||
298 | # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y | |
299 | if [ -f tools/objtool/objtool ]; then | |
300 | cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/" | |
301 | fi | |
302 | ||
303 | if [ -f "arch/x86/kernel/macros.s" ]; then | |
304 | cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/" | |
305 | fi | |
306 | ||
307 | # Copy modules related stuff, if available | |
308 | if [ -s Module.symvers ]; then | |
309 | cp Module.symvers "${LINUX_HDROBJ_DIR}" | |
310 | fi | |
311 | ||
312 | if [ -s System.map ]; then | |
313 | cp System.map "${LINUX_HDROBJ_DIR}" | |
314 | fi | |
315 | ||
316 | if [ -s Module.markers ]; then | |
317 | cp Module.markers "${LINUX_HDROBJ_DIR}" | |
318 | fi | |
319 | ||
320 | # Copy config file | |
321 | cp .config "${LINUX_HDROBJ_DIR}" | |
322 | ||
323 | # Make sure the Makefile and version.h have a matching timestamp so that | |
324 | # external modules can be built | |
325 | if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then | |
326 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" | |
327 | elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then | |
328 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h" | |
329 | else | |
330 | echo "Missing version.h" | |
331 | exit 1 | |
332 | fi | |
333 | touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h" | |
334 | ||
335 | # Copy .config to include/config/auto.conf so "make prepare" is unnecessary. | |
336 | cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf" | |
337 | ||
338 | # Finally clean the object files from the full source tree | |
339 | make clean | |
340 | ||
341 | # And regen the modules support files | |
342 | make modules_prepare CC="$CC" | |
51fa2ab3 | 343 | |
d815b018 MJ |
344 | # On powerpc this object is required to link modules |
345 | if [ "${karch}" = "powerpc" ]; then | |
5a196804 | 346 | make arch/powerpc/lib/crtsavres.o CC="$CC" |
d815b018 MJ |
347 | fi |
348 | ||
7a76a4d0 | 349 | # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support |
a1ae361e | 350 | if [ "${karch}" = "arm64" ]; then |
c236528e | 351 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then |
5a196804 | 352 | make arch/arm64/kernel/ftrace-mod.o CC="$CC" |
a1ae361e MJ |
353 | fi |
354 | fi | |
355 | ||
7e02032c | 356 | # Version specific tasks |
a1ae361e | 357 | case "$ktag" in |
7e02032c MJ |
358 | Ubuntu*) |
359 | # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code | |
a1ae361e | 360 | ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')" |
5a196804 MJ |
361 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h |
362 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h" | |
7e02032c MJ |
363 | ;; |
364 | esac | |
7e02032c MJ |
365 | } |
366 | ||
367 | ||
339db64d MJ |
368 | build_modules() { |
369 | ||
5a196804 MJ |
370 | local kdir="$1" |
371 | local outdir="$2" | |
372 | local kversion | |
373 | ||
374 | kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion) | |
339db64d | 375 | |
339db64d | 376 | # Enter lttng-modules source dir |
5a196804 | 377 | cd "${MODULES_GIT_DIR}" |
339db64d MJ |
378 | |
379 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the | |
380 | # timekeeping subsystem. We want those build to fail. | |
5a196804 MJ |
381 | if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \ |
382 | { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then | |
339db64d MJ |
383 | |
384 | set +e | |
385 | ||
386 | # Build modules | |
51fa2ab3 | 387 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
339db64d | 388 | |
5a196804 MJ |
389 | set -e |
390 | ||
339db64d MJ |
391 | # We expect this build to fail, if it doesn't, fail the job. |
392 | if [ "$?" -eq 0 ]; then | |
e9b44189 | 393 | echo "This build should have failed." |
339db64d MJ |
394 | exit 1 |
395 | fi | |
396 | ||
397 | # We have to publish at least one file or the build will fail | |
5a196804 | 398 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko" |
339db64d MJ |
399 | |
400 | set -e | |
401 | ||
5a196804 | 402 | KERNELDIR="${kdir}" make clean |
7e02032c | 403 | |
339db64d MJ |
404 | else # Regular build |
405 | ||
406 | # Build modules against full kernel sources | |
51fa2ab3 | 407 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
339db64d MJ |
408 | |
409 | # Install modules to build dir | |
5a196804 | 410 | KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install |
339db64d MJ |
411 | |
412 | # Clean build dir | |
5a196804 | 413 | KERNELDIR="${kdir}" make clean |
339db64d MJ |
414 | fi |
415 | } | |
416 | ||
417 | ||
418 | ## MAIN ## | |
419 | ||
f3d8604b MJ |
420 | # Use all CPU cores |
421 | NPROC=$(nproc) | |
422 | ||
5a196804 MJ |
423 | MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules" |
424 | LINUX_GIT_DIR="${WORKSPACE}/src/linux" | |
339db64d | 425 | |
5a196804 MJ |
426 | LINUX_OBJ_DIR="${WORKSPACE}/linux" |
427 | LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources" | |
428 | LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers" | |
429 | LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install" | |
339db64d | 430 | |
5a196804 MJ |
431 | MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc" |
432 | MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr" | |
339db64d | 433 | |
5a196804 MJ |
434 | LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/" |
435 | ||
436 | OBJ_STORE_URL="s3://jenkins" | |
437 | ||
438 | cd "$WORKSPACE" | |
439 | ||
440 | # Create build directories | |
441 | mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" | |
442 | ||
443 | git_clone_modules_sources | |
339db64d | 444 | |
7e02032c | 445 | # Setup cross compile env if available |
39961776 | 446 | if [ "x${cross_arch}" != "x" ]; then |
7e02032c MJ |
447 | |
448 | case "$cross_arch" in | |
449 | "armhf") | |
450 | karch="arm" | |
451 | cross_compile="arm-linux-gnueabihf-" | |
e9b44189 | 452 | vanilla_config="allyesconfig" |
7e02032c MJ |
453 | ubuntu_config="armhf-config.flavour.generic" |
454 | ;; | |
455 | ||
456 | "arm64") | |
457 | karch="arm64" | |
458 | cross_compile="aarch64-linux-gnu-" | |
e9b44189 | 459 | vanilla_config="allyesconfig" |
7e02032c MJ |
460 | ubuntu_config="arm64-config.flavour.generic" |
461 | ;; | |
462 | ||
463 | "powerpc") | |
464 | karch="powerpc" | |
465 | cross_compile="powerpc-linux-gnu-" | |
e9b44189 | 466 | vanilla_config="ppc44x_defconfig" |
7e02032c MJ |
467 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
468 | ;; | |
469 | ||
470 | "ppc64el") | |
471 | karch="powerpc" | |
472 | cross_compile="powerpc64le-linux-gnu-" | |
e9b44189 | 473 | vanilla_config="pseries_le_defconfig" |
7e02032c MJ |
474 | ubuntu_config="ppc64el-config.flavour.generic" |
475 | ;; | |
476 | ||
477 | *) | |
51fa2ab3 | 478 | echo "Unsupported cross arch $cross_arch" |
7e02032c MJ |
479 | exit 1 |
480 | ;; | |
481 | esac | |
339db64d | 482 | |
7e02032c MJ |
483 | # Export variables used by Kbuild for cross compilation |
484 | export ARCH="${karch}" | |
485 | export CROSS_COMPILE="${cross_compile}" | |
339db64d | 486 | |
7e02032c | 487 | # Set arch specific values if we are not cross compiling |
39961776 | 488 | elif [ "x${arch}" != "x" ]; then |
e9b44189 | 489 | |
7e02032c | 490 | case "$arch" in |
16844a6d | 491 | "i386") |
7e02032c | 492 | karch="x86" |
e9b44189 | 493 | vanilla_config="allyesconfig" |
7e02032c MJ |
494 | ubuntu_config="i386-config.flavour.generic" |
495 | ;; | |
496 | ||
16844a6d | 497 | "amd64") |
7e02032c | 498 | karch="x86" |
e9b44189 | 499 | vanilla_config="allyesconfig" |
7e02032c MJ |
500 | ubuntu_config="amd64-config.flavour.generic" |
501 | ;; | |
502 | ||
503 | "armhf") | |
504 | karch="arm" | |
e9b44189 | 505 | vanilla_config="allyesconfig" |
7e02032c MJ |
506 | ubuntu_config="armhf-config.flavour.generic" |
507 | ;; | |
508 | ||
509 | "arm64") | |
510 | karch="arm64" | |
e9b44189 | 511 | vanilla_config="allyesconfig" |
7e02032c MJ |
512 | ubuntu_config="arm64-config.flavour.generic" |
513 | ;; | |
514 | ||
515 | "powerpc") | |
516 | karch="powerpc" | |
e9b44189 | 517 | vanilla_config="allyesconfig" |
7e02032c MJ |
518 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
519 | ;; | |
520 | ||
521 | "ppc64el") | |
522 | karch="powerpc" | |
e9b44189 | 523 | vanilla_config="allyesconfig" |
7e02032c MJ |
524 | ubuntu_config="ppc64el-config.flavour.generic" |
525 | ;; | |
526 | ||
527 | *) | |
528 | echo "Unsupported arch $arch" | |
529 | exit 1 | |
530 | ;; | |
531 | esac | |
532 | else | |
533 | echo "Not arch or cross_arch specified" | |
534 | exit 1 | |
535 | fi | |
339db64d | 536 | |
339db64d | 537 | |
b214d997 | 538 | |
5a196804 MJ |
539 | # First get the kernel build from the object store, or build it, if it's |
540 | # not available. | |
339db64d | 541 | |
5a196804 MJ |
542 | echo "# Setup endpoint |
543 | host_base = obj.internal.efficios.com | |
544 | host_bucket = obj.internal.efficios.com | |
545 | bucket_location = us-east-1 | |
546 | use_https = True | |
7e02032c | 547 | |
5a196804 MJ |
548 | # Setup access keys |
549 | access_key = jenkins | |
550 | secret_key = echo123456 | |
339db64d | 551 | |
5a196804 MJ |
552 | # Enable S3 v4 signature APIs |
553 | signature_v2 = False" > "$WORKSPACE/.s3cfg" | |
339db64d | 554 | |
5a196804 MJ |
555 | url_hash="$(echo -n "$kgitrepo/$ktag/$arch/$cross_arch" | md5sum | awk '{ print $1 }')" |
556 | obj_name="linux.tar.bz2" | |
557 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash" | |
558 | obj_url="$obj_url_prefix/$obj_name" | |
339db64d | 559 | |
5a196804 MJ |
560 | set +e |
561 | s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url" | |
562 | ret=$? | |
563 | set -e | |
339db64d | 564 | |
5a196804 MJ |
565 | case "$ret" in |
566 | "0") | |
567 | extract_archive_obj | |
568 | ;; | |
a1ae361e | 569 | |
5a196804 MJ |
570 | "12") |
571 | echo "File not found" | |
339db64d | 572 | |
5a196804 MJ |
573 | # Build all the things and upload |
574 | # then finish the module build... | |
339db64d | 575 | |
5a196804 MJ |
576 | git_clone_linux_sources |
577 | git_export_linux_sources | |
339db64d | 578 | |
5a196804 | 579 | select_compiler |
a1ae361e | 580 | |
5a196804 MJ |
581 | ## PREPARE FULL LINUX SOURCE TREE |
582 | build_linux_kernel | |
d138fc44 | 583 | |
5a196804 MJ |
584 | ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL |
585 | extract_distro_headers | |
339db64d | 586 | |
5a196804 | 587 | tar_archive_obj |
339db64d | 588 | |
5a196804 | 589 | upload_archive_obj |
339db64d | 590 | |
5a196804 | 591 | ;; |
339db64d | 592 | |
5a196804 MJ |
593 | *) |
594 | echo "Unknown error? Abort" | |
595 | exit 1 | |
596 | ;; | |
597 | esac | |
339db64d | 598 | |
5a196804 | 599 | select_compiler |
f3d8604b | 600 | |
7e02032c | 601 | ## BUILD modules |
5a196804 MJ |
602 | # Either we downloaded a pre-build kernel or we built it and uploaded |
603 | # the archive for future builds. | |
604 | ||
605 | cd "$WORKSPACE" | |
f3d8604b | 606 | |
339db64d | 607 | # Build modules against full kernel sources |
5a196804 | 608 | build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" |
f3d8604b | 609 | |
339db64d | 610 | # Build modules against kernel headers |
5a196804 | 611 | build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" |
f3d8604b | 612 | |
5a196804 MJ |
613 | # Make sure some modules were actually built |
614 | tree "${MODULES_OUTPUT_KSRC_DIR}" | |
615 | if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
616 | echo "No modules built!" |
617 | exit 1 | |
618 | fi | |
619 | ||
5a196804 MJ |
620 | tree "${MODULES_OUTPUT_KHDR_DIR}" |
621 | if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
622 | echo "No modules built!" |
623 | exit 1 | |
624 | fi | |
b214d997 | 625 | |
f3d8604b | 626 | # EOF |