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 | ||
073dc82c MJ |
157 | # Hack for kernel Ubuntu-hwe-5.8 |
158 | if [ ! -f "debian/compat" ]; then | |
159 | echo "10" > "debian/compat" | |
160 | fi | |
161 | ||
a46abb0a MJ |
162 | fakeroot debian/rules clean KW_DEFCONFIG_DIR=. |
163 | fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. | |
5a196804 | 164 | cp CONFIGS/"${ubuntu_config}" .config |
7e02032c | 165 | ;; |
c45b04df | 166 | |
7e02032c | 167 | *) |
16844a6d MJ |
168 | # Force 32bit build on i386, default is 64bit |
169 | if [ "$arch" = "i386" ]; then | |
5a196804 MJ |
170 | export ARCH="i386" |
171 | fi | |
172 | ||
173 | # allyesconfig is mostly broken for kernels of the 2.6 series | |
174 | if verlt "$kversion" "3.0"; then | |
175 | vanilla_config="defconfig" | |
7a76a4d0 MJ |
176 | fi |
177 | ||
5a196804 | 178 | make "${vanilla_config}" |
7e02032c MJ |
179 | ;; |
180 | esac | |
181 | ||
53b51a15 | 182 | # oldnoconfig was renamed in 4.19 |
5a196804 | 183 | if vergte "$kversion" "4.19"; then |
53b51a15 | 184 | update_conf_target="olddefconfig" |
5a196804 | 185 | else |
53b51a15 | 186 | update_conf_target="oldnoconfig" |
5a196804 MJ |
187 | fi |
188 | ||
189 | # Fix 'defined(@array)' was removed from recent perl | |
190 | if [ -f "kernel/timeconst.pl" ]; then | |
191 | sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl | |
192 | fi | |
193 | ||
194 | # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5 | |
53b51a15 | 195 | if [ "$HOSTCC" != "gcc-4.8" ]; then |
5a196804 MJ |
196 | if [ -f "arch/x86/kvm/svm.c" ]; then |
197 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c | |
198 | fi | |
199 | ||
200 | if [ -f "arch/x86/kvm/vmx.c" ]; then | |
201 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c | |
202 | fi | |
203 | fi | |
204 | ||
53b51a15 MJ |
205 | # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64 |
206 | # Convert them to 'cmpw' which was previously done silently | |
207 | if verlt "$kversion" "4.9"; then | |
208 | find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmp\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmpw\2/" | |
209 | find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmpli\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmplwi\2/" | |
210 | sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch/powerpc/boot/wrapper | |
211 | fi | |
212 | ||
5a196804 MJ |
213 | # Fix a typo in v2.6.36.x |
214 | if [ -f "arch/x86/kernel/entry_64.S" ]; then | |
215 | sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S | |
216 | fi | |
217 | ||
53b51a15 MJ |
218 | # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2 |
219 | if { vergte "$kversion" "2.6.36" && verlte "$kversion" "2.6.36.3"; }; then | |
220 | sed -i 's/-m elf_x86_64/-m64/' arch/x86/vdso/Makefile | |
221 | sed -i 's/-m elf_i386/-m32/' arch/x86/vdso/Makefile | |
222 | fi | |
223 | ||
5a196804 MJ |
224 | # Fix kernel < 3.0 with gcc >= 4.7 |
225 | if verlt "$kversion" "3.0"; then | |
226 | sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h | |
227 | sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h | |
228 | sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h | |
229 | echo "header-y += linkage.h" >> include/linux/Kbuild | |
230 | fi | |
231 | ||
7e02032c | 232 | # GCC 4.8 |
53b51a15 MJ |
233 | if [ "$HOSTCC" == "gcc-4.8" ]; then |
234 | scripts/config --disable CONFIG_CC_STACKPROTECTOR_STRONG | |
235 | fi | |
7e02032c MJ |
236 | |
237 | # Don't try to sign modules | |
53b51a15 | 238 | scripts/config --disable CONFIG_MODULE_SIG |
7e02032c | 239 | |
9ef18fa2 | 240 | # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails |
53b51a15 | 241 | scripts/config --disable CONFIG_STACK_VALIDATION |
5a196804 MJ |
242 | |
243 | # Cause problems with inline assembly on i386 | |
53b51a15 | 244 | scripts/config --disable CONFIG_DEBUG_SECTION_MISMATCH |
5a196804 | 245 | |
1d5a0a3c | 246 | # Don't build samples, they are broken on some kernel releases |
53b51a15 MJ |
247 | scripts/config --disable CONFIG_SAMPLES |
248 | scripts/config --disable CONFIG_BUILD_DOCSRC | |
c45b04df MJ |
249 | |
250 | # Disable kcov | |
53b51a15 | 251 | scripts/config --disable CONFIG_KCOV |
c45b04df MJ |
252 | |
253 | # Broken on some RT kernels | |
53b51a15 | 254 | scripts/config --disable CONFIG_HYPERV |
1d5a0a3c | 255 | |
1e300ea9 | 256 | # Broken drivers |
53b51a15 MJ |
257 | scripts/config --disable CONFIG_RAPIDIO_TSI721 |
258 | scripts/config --disable CONFIG_SGI_XP | |
259 | scripts/config --disable CONFIG_MFD_WM8994 | |
260 | scripts/config --disable CONFIG_DRM_RADEON | |
261 | scripts/config --disable CONFIG_SND_SOC_WM5100 | |
1e300ea9 | 262 | |
5a196804 MJ |
263 | # IGBVF won't build with recent gcc on 2.6.38.x |
264 | if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then | |
53b51a15 | 265 | scripts/config --disable CONFIG_IGBVF |
5a196804 | 266 | fi |
9ef18fa2 | 267 | |
51fa2ab3 | 268 | # Set required options |
53b51a15 MJ |
269 | scripts/config --enable CONFIG_TRACEPOINTS |
270 | scripts/config --enable CONFIG_KALLSYMS | |
271 | scripts/config --enable CONFIG_HIGH_RES_TIMERS | |
272 | scripts/config --enable CONFIG_KPROBES | |
273 | scripts/config --enable CONFIG_FTRACE | |
274 | scripts/config --enable CONFIG_BLK_DEV_IO_TRACE | |
275 | scripts/config --enable CONFIG_KALLSYMS_ALL | |
276 | scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS | |
277 | scripts/config --enable CONFIG_PERF_EVENTS | |
278 | scripts/config --enable CONFIG_EVENT_TRACING | |
279 | scripts/config --enable CONFIG_KRETPROBES | |
7e02032c | 280 | |
7a76a4d0 | 281 | # Debug |
5a196804 MJ |
282 | #cat .config |
283 | ||
284 | make "$update_conf_target" CC="$CC" | |
285 | make -j"$NPROC" CC="$CC" | |
286 | ||
c45b04df | 287 | krelease=$(make -s kernelrelease CC="$CC") |
5a196804 MJ |
288 | |
289 | # Save the kernel and modules | |
290 | mkdir -p "$LINUX_INSTOBJ_DIR/boot" | |
53b51a15 | 291 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC" |
f4c112e8 | 292 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC" |
5a196804 MJ |
293 | rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build" |
294 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
295 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
296 | } | |
297 | ||
298 | ||
299 | extract_distro_headers() { | |
300 | ||
301 | # Enter linux source dir | |
302 | cd "${LINUX_SRCOBJ_DIR}" | |
303 | ||
304 | ||
305 | # For RT kernels, copy version file | |
306 | if [ -s localversion-rt ]; then | |
307 | cp -a localversion-rt "${LINUX_HDROBJ_DIR}" | |
308 | fi | |
309 | ||
310 | # Copy all Makefile related stuff | |
311 | find . -path './include/*' -prune \ | |
312 | -o -path './scripts/*' -prune -o -type f \ | |
313 | \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ | |
314 | -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ | |
315 | -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
316 | ||
317 | # Copy base scripts and include dirs | |
318 | cp -a scripts include "${LINUX_HDROBJ_DIR}" | |
7e02032c | 319 | |
5a196804 MJ |
320 | # Copy arch includes |
321 | (find arch -name include -type d -print0 | \ | |
322 | xargs -0 -n1 -i: find : -type f) | \ | |
323 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
324 | ||
325 | # Copy arch scripts | |
326 | (find arch -name scripts -type d -print0 | \ | |
327 | xargs -0 -n1 -i: find : -type f) | \ | |
328 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
329 | ||
330 | # Cleanup scripts | |
331 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o" | |
332 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o" | |
333 | ||
04873cc3 | 334 | # On powerpc 32bits this object is required to link modules |
5a196804 | 335 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
336 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
337 | : | |
338 | else | |
04873cc3 MJ |
339 | cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/" |
340 | fi | |
5a196804 MJ |
341 | fi |
342 | ||
343 | # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support | |
344 | if [ "${karch}" = "arm64" ]; then | |
345 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then | |
346 | cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/" | |
347 | fi | |
348 | fi | |
349 | ||
350 | # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y | |
351 | if [ -f tools/objtool/objtool ]; then | |
352 | cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/" | |
353 | fi | |
354 | ||
355 | if [ -f "arch/x86/kernel/macros.s" ]; then | |
356 | cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/" | |
357 | fi | |
358 | ||
359 | # Copy modules related stuff, if available | |
360 | if [ -s Module.symvers ]; then | |
361 | cp Module.symvers "${LINUX_HDROBJ_DIR}" | |
362 | fi | |
363 | ||
364 | if [ -s System.map ]; then | |
365 | cp System.map "${LINUX_HDROBJ_DIR}" | |
366 | fi | |
367 | ||
368 | if [ -s Module.markers ]; then | |
369 | cp Module.markers "${LINUX_HDROBJ_DIR}" | |
370 | fi | |
371 | ||
372 | # Copy config file | |
373 | cp .config "${LINUX_HDROBJ_DIR}" | |
374 | ||
375 | # Make sure the Makefile and version.h have a matching timestamp so that | |
376 | # external modules can be built | |
377 | if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then | |
378 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" | |
379 | elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then | |
380 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h" | |
381 | else | |
382 | echo "Missing version.h" | |
383 | exit 1 | |
384 | fi | |
385 | touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h" | |
386 | ||
387 | # Copy .config to include/config/auto.conf so "make prepare" is unnecessary. | |
388 | cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf" | |
389 | ||
390 | # Finally clean the object files from the full source tree | |
391 | make clean | |
392 | ||
393 | # And regen the modules support files | |
394 | make modules_prepare CC="$CC" | |
51fa2ab3 | 395 | |
04873cc3 | 396 | # On powerpc 32bits this object is required to link modules |
d815b018 | 397 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
398 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
399 | : | |
400 | else | |
04873cc3 MJ |
401 | make arch/powerpc/lib/crtsavres.o CC="$CC" |
402 | fi | |
d815b018 MJ |
403 | fi |
404 | ||
7a76a4d0 | 405 | # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support |
a1ae361e | 406 | if [ "${karch}" = "arm64" ]; then |
c236528e | 407 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then |
5a196804 | 408 | make arch/arm64/kernel/ftrace-mod.o CC="$CC" |
a1ae361e MJ |
409 | fi |
410 | fi | |
411 | ||
7e02032c | 412 | # Version specific tasks |
a1ae361e | 413 | case "$ktag" in |
7e02032c MJ |
414 | Ubuntu*) |
415 | # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code | |
a1ae361e | 416 | ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')" |
5a196804 MJ |
417 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h |
418 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h" | |
7e02032c MJ |
419 | ;; |
420 | esac | |
7e02032c MJ |
421 | } |
422 | ||
423 | ||
339db64d MJ |
424 | build_modules() { |
425 | ||
5a196804 MJ |
426 | local kdir="$1" |
427 | local outdir="$2" | |
428 | local kversion | |
429 | ||
430 | kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion) | |
339db64d | 431 | |
339db64d | 432 | # Enter lttng-modules source dir |
5a196804 | 433 | cd "${MODULES_GIT_DIR}" |
339db64d MJ |
434 | |
435 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the | |
436 | # timekeeping subsystem. We want those build to fail. | |
5a196804 MJ |
437 | if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \ |
438 | { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then | |
339db64d MJ |
439 | |
440 | set +e | |
441 | ||
442 | # Build modules | |
51fa2ab3 | 443 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
0f71a764 | 444 | ret=$? |
339db64d | 445 | |
5a196804 MJ |
446 | set -e |
447 | ||
339db64d | 448 | # We expect this build to fail, if it doesn't, fail the job. |
0f71a764 | 449 | if [ "$ret" -eq 0 ]; then |
e9b44189 | 450 | echo "This build should have failed." |
339db64d MJ |
451 | exit 1 |
452 | fi | |
453 | ||
454 | # We have to publish at least one file or the build will fail | |
5a196804 | 455 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko" |
339db64d | 456 | |
5a196804 | 457 | KERNELDIR="${kdir}" make clean |
7e02032c | 458 | |
339db64d MJ |
459 | else # Regular build |
460 | ||
461 | # Build modules against full kernel sources | |
51fa2ab3 | 462 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
339db64d MJ |
463 | |
464 | # Install modules to build dir | |
5a196804 | 465 | KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install |
339db64d MJ |
466 | |
467 | # Clean build dir | |
5a196804 | 468 | KERNELDIR="${kdir}" make clean |
339db64d MJ |
469 | fi |
470 | } | |
471 | ||
472 | ||
473 | ## MAIN ## | |
474 | ||
f3d8604b MJ |
475 | # Use all CPU cores |
476 | NPROC=$(nproc) | |
477 | ||
5a196804 MJ |
478 | MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules" |
479 | LINUX_GIT_DIR="${WORKSPACE}/src/linux" | |
339db64d | 480 | |
5a196804 MJ |
481 | LINUX_OBJ_DIR="${WORKSPACE}/linux" |
482 | LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources" | |
483 | LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers" | |
484 | LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install" | |
339db64d | 485 | |
5a196804 MJ |
486 | MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc" |
487 | MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr" | |
339db64d | 488 | |
5a196804 MJ |
489 | LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/" |
490 | ||
491 | OBJ_STORE_URL="s3://jenkins" | |
492 | ||
493 | cd "$WORKSPACE" | |
494 | ||
495 | # Create build directories | |
496 | mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" | |
497 | ||
498 | git_clone_modules_sources | |
339db64d | 499 | |
7e02032c | 500 | # Setup cross compile env if available |
39961776 | 501 | if [ "x${cross_arch}" != "x" ]; then |
7e02032c MJ |
502 | |
503 | case "$cross_arch" in | |
504 | "armhf") | |
505 | karch="arm" | |
506 | cross_compile="arm-linux-gnueabihf-" | |
53b51a15 | 507 | vanilla_config="imx_v6_v7_defconfig" |
7e02032c MJ |
508 | ubuntu_config="armhf-config.flavour.generic" |
509 | ;; | |
510 | ||
511 | "arm64") | |
512 | karch="arm64" | |
513 | cross_compile="aarch64-linux-gnu-" | |
53b51a15 | 514 | vanilla_config="defconfig" |
7e02032c MJ |
515 | ubuntu_config="arm64-config.flavour.generic" |
516 | ;; | |
517 | ||
518 | "powerpc") | |
519 | karch="powerpc" | |
520 | cross_compile="powerpc-linux-gnu-" | |
e9b44189 | 521 | vanilla_config="ppc44x_defconfig" |
7e02032c MJ |
522 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
523 | ;; | |
524 | ||
525 | "ppc64el") | |
526 | karch="powerpc" | |
527 | cross_compile="powerpc64le-linux-gnu-" | |
e9b44189 | 528 | vanilla_config="pseries_le_defconfig" |
7e02032c MJ |
529 | ubuntu_config="ppc64el-config.flavour.generic" |
530 | ;; | |
531 | ||
532 | *) | |
51fa2ab3 | 533 | echo "Unsupported cross arch $cross_arch" |
7e02032c MJ |
534 | exit 1 |
535 | ;; | |
536 | esac | |
339db64d | 537 | |
7e02032c MJ |
538 | # Export variables used by Kbuild for cross compilation |
539 | export ARCH="${karch}" | |
540 | export CROSS_COMPILE="${cross_compile}" | |
339db64d | 541 | |
7e02032c | 542 | # Set arch specific values if we are not cross compiling |
39961776 | 543 | elif [ "x${arch}" != "x" ]; then |
e9b44189 | 544 | |
7e02032c | 545 | case "$arch" in |
16844a6d | 546 | "i386") |
7e02032c | 547 | karch="x86" |
e9b44189 | 548 | vanilla_config="allyesconfig" |
7e02032c MJ |
549 | ubuntu_config="i386-config.flavour.generic" |
550 | ;; | |
551 | ||
16844a6d | 552 | "amd64") |
7e02032c | 553 | karch="x86" |
e9b44189 | 554 | vanilla_config="allyesconfig" |
7e02032c MJ |
555 | ubuntu_config="amd64-config.flavour.generic" |
556 | ;; | |
557 | ||
558 | "armhf") | |
559 | karch="arm" | |
e9b44189 | 560 | vanilla_config="allyesconfig" |
7e02032c MJ |
561 | ubuntu_config="armhf-config.flavour.generic" |
562 | ;; | |
563 | ||
564 | "arm64") | |
565 | karch="arm64" | |
e9b44189 | 566 | vanilla_config="allyesconfig" |
7e02032c MJ |
567 | ubuntu_config="arm64-config.flavour.generic" |
568 | ;; | |
569 | ||
570 | "powerpc") | |
571 | karch="powerpc" | |
e9b44189 | 572 | vanilla_config="allyesconfig" |
7e02032c MJ |
573 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
574 | ;; | |
575 | ||
576 | "ppc64el") | |
577 | karch="powerpc" | |
e9b44189 | 578 | vanilla_config="allyesconfig" |
7e02032c MJ |
579 | ubuntu_config="ppc64el-config.flavour.generic" |
580 | ;; | |
581 | ||
582 | *) | |
583 | echo "Unsupported arch $arch" | |
584 | exit 1 | |
585 | ;; | |
586 | esac | |
587 | else | |
04873cc3 | 588 | echo "No arch or cross_arch specified" |
7e02032c MJ |
589 | exit 1 |
590 | fi | |
339db64d | 591 | |
339db64d | 592 | |
b214d997 | 593 | |
5a196804 MJ |
594 | # First get the kernel build from the object store, or build it, if it's |
595 | # not available. | |
339db64d | 596 | |
5a196804 MJ |
597 | echo "# Setup endpoint |
598 | host_base = obj.internal.efficios.com | |
599 | host_bucket = obj.internal.efficios.com | |
600 | bucket_location = us-east-1 | |
601 | use_https = True | |
7e02032c | 602 | |
5a196804 MJ |
603 | # Setup access keys |
604 | access_key = jenkins | |
605 | secret_key = echo123456 | |
339db64d | 606 | |
5a196804 MJ |
607 | # Enable S3 v4 signature APIs |
608 | signature_v2 = False" > "$WORKSPACE/.s3cfg" | |
339db64d | 609 | |
c45b04df | 610 | url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')" |
5a196804 | 611 | obj_name="linux.tar.bz2" |
87445931 MJ |
612 | |
613 | if [ "x${cross_arch}" = "x" ]; then | |
614 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/native" | |
615 | else | |
616 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/${cross_arch}" | |
617 | fi | |
618 | ||
5a196804 | 619 | obj_url="$obj_url_prefix/$obj_name" |
339db64d | 620 | |
5a196804 MJ |
621 | set +e |
622 | s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url" | |
623 | ret=$? | |
624 | set -e | |
339db64d | 625 | |
5a196804 MJ |
626 | case "$ret" in |
627 | "0") | |
628 | extract_archive_obj | |
629 | ;; | |
a1ae361e | 630 | |
5a196804 MJ |
631 | "12") |
632 | echo "File not found" | |
339db64d | 633 | |
5a196804 MJ |
634 | # Build all the things and upload |
635 | # then finish the module build... | |
339db64d | 636 | |
5a196804 MJ |
637 | git_clone_linux_sources |
638 | git_export_linux_sources | |
339db64d | 639 | |
5a196804 | 640 | select_compiler |
a1ae361e | 641 | |
5a196804 MJ |
642 | ## PREPARE FULL LINUX SOURCE TREE |
643 | build_linux_kernel | |
d138fc44 | 644 | |
5a196804 MJ |
645 | ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL |
646 | extract_distro_headers | |
339db64d | 647 | |
5a196804 | 648 | tar_archive_obj |
339db64d | 649 | |
5a196804 | 650 | upload_archive_obj |
339db64d | 651 | |
5a196804 | 652 | ;; |
339db64d | 653 | |
5a196804 MJ |
654 | *) |
655 | echo "Unknown error? Abort" | |
656 | exit 1 | |
657 | ;; | |
658 | esac | |
339db64d | 659 | |
5a196804 | 660 | select_compiler |
f3d8604b | 661 | |
7e02032c | 662 | ## BUILD modules |
5a196804 MJ |
663 | # Either we downloaded a pre-build kernel or we built it and uploaded |
664 | # the archive for future builds. | |
665 | ||
666 | cd "$WORKSPACE" | |
f3d8604b | 667 | |
339db64d | 668 | # Build modules against full kernel sources |
5a196804 | 669 | build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" |
f3d8604b | 670 | |
339db64d | 671 | # Build modules against kernel headers |
5a196804 | 672 | build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" |
f3d8604b | 673 | |
5a196804 MJ |
674 | # Make sure some modules were actually built |
675 | tree "${MODULES_OUTPUT_KSRC_DIR}" | |
676 | if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
677 | echo "No modules built!" |
678 | exit 1 | |
679 | fi | |
680 | ||
5a196804 MJ |
681 | tree "${MODULES_OUTPUT_KHDR_DIR}" |
682 | if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
683 | echo "No modules built!" |
684 | exit 1 | |
685 | fi | |
b214d997 | 686 | |
f3d8604b | 687 | # EOF |