1 # SPDX-License-Identifier: GPL-2.0
6 TARGETS += capabilities
10 TARGETS += cpu-hotplug
11 TARGETS += drivers/dma-buf
14 TARGETS += filesystems
15 TARGETS += filesystems/binderfs
16 TARGETS += filesystems/epoll
21 TARGETS += intel_pstate
32 TARGETS += memory-hotplug
38 TARGETS += networking/timestamping
49 TARGETS += sigaltstack
53 TARGETS += static_keys
57 ifneq (1, $(quicktest))
66 #Please keep the TARGETS list alphabetically sorted
67 # Run "make quicktest=1 run_tests" or
68 # "make quicktest=1 kselftest" from top level Makefile
70 TARGETS_HOTPLUG = cpu-hotplug
71 TARGETS_HOTPLUG += memory-hotplug
73 # User can optionally provide a TARGETS skiplist.
75 ifneq ($(SKIP_TARGETS),)
76 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
77 override TARGETS := $(TMP)
80 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
81 # built; make will fail if any of the targets cannot be built. If
82 # FORCE_TARGETS is not set (the default), make will succeed if at least one
83 # of the targets gets built.
86 # Clear LDFLAGS and MAKEFLAGS if called from main
87 # Makefile to avoid test build failures when test
88 # Makefile doesn't have explicit build rules.
94 # Append kselftest to KBUILD_OUTPUT to avoid cluttering
95 # KBUILD_OUTPUT with selftest objects and headers installed
96 # by selftests Makefile or lib.mk.
97 ifdef building_out_of_srctree
104 ifneq ($(KBUILD_OUTPUT),)
105 BUILD := $(KBUILD_OUTPUT)/kselftest
107 BUILD := $(shell pwd)
108 DEFAULT_INSTALL_HDR_PATH := 1
112 # Prepare for headers install
113 top_srcdir ?= ../../..
114 include $(top_srcdir)/scripts/subarch.include
116 export KSFT_KHDR_INSTALL_DONE := 1
119 # build and run gpio when output directory is the src dir.
120 # gpio has dependency on tools/gpio and builds tools/gpio
121 # objects in the src directory in all cases making the src
122 # repo dirty even when objects are relocated.
123 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
124 TMP := $(filter-out gpio, $(TARGETS))
128 # set default goal to all, so make without a target runs all, even when
129 # all isn't the first target in the file.
132 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
133 # is used to avoid running headers_install from lib.mk.
134 # Invoke headers install with --no-builtin-rules to avoid circular
135 # dependency in "make kselftest" case. In this case, second level
136 # make inherits builtin-rules which will use the rule generate
137 # Makefile.o and runs into
138 # "Circular Makefile.o <- prepare dependency dropped."
139 # and headers_install fails and test compile fails.
141 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
142 # invokes them as sub-makes and --no-builtin-rules is not necessary,
143 # but doesn't cause any failures. Keep it simple and use the same
144 # flags in both cases.
145 # Local build cases: "make kselftest", "make -C" - headers are installed
146 # in the default INSTALL_HDR_PATH usr/include.
148 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
149 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
151 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
152 ARCH=$(ARCH) -C $(top_srcdir) headers_install
157 for TARGET in $(TARGETS); do \
158 BUILD_TARGET=$$BUILD/$$TARGET; \
159 mkdir $$BUILD_TARGET -p; \
160 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \
161 $(if $(FORCE_TARGETS),|| exit); \
162 ret=$$((ret * $$?)); \
166 @for TARGET in $(TARGETS); do \
167 BUILD_TARGET=$$BUILD/$$TARGET; \
168 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
172 @for TARGET in $(TARGETS_HOTPLUG); do \
173 BUILD_TARGET=$$BUILD/$$TARGET; \
174 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
178 @for TARGET in $(TARGETS_HOTPLUG); do \
179 BUILD_TARGET=$$BUILD/$$TARGET; \
180 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
184 @for TARGET in $(TARGETS_HOTPLUG); do \
185 BUILD_TARGET=$$BUILD/$$TARGET; \
186 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
190 $(MAKE) -C pstore run_crash
192 # Use $BUILD as the default install root. $BUILD points to the
193 # right output location for the following cases:
194 # 1. output_dir=kernel_src
195 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
196 # 3. a separate output directory is specified using KBUILD_OUTPUT
197 # Avoid conflict with INSTALL_PATH set by the main Makefile
199 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
200 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
201 # Avoid changing the rest of the logic here and lib.mk.
202 INSTALL_PATH := $(KSFT_INSTALL_PATH)
203 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
207 @# Ask all targets to install their files
208 mkdir -p $(INSTALL_PATH)/kselftest
209 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
210 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
211 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
213 for TARGET in $(TARGETS); do \
214 BUILD_TARGET=$$BUILD/$$TARGET; \
215 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
216 $(if $(FORCE_TARGETS),|| exit); \
217 ret=$$((ret * $$?)); \
220 @# Ask all targets to emit their test scripts
221 echo "#!/bin/sh" > $(ALL_SCRIPT)
222 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
223 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
224 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
225 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
226 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
227 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
228 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
229 echo "fi" >> $(ALL_SCRIPT)
231 @# While building run_kselftest.sh skip also non-existent TARGET dirs:
232 @# they could be the result of a build failure and should NOT be
233 @# included in the generated runlist.
234 for TARGET in $(TARGETS); do \
235 BUILD_TARGET=$$BUILD/$$TARGET; \
236 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
237 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
238 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
239 echo -n "run_many" >> $(ALL_SCRIPT); \
240 echo -n "Emit Tests for $$TARGET\n"; \
241 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
242 echo "" >> $(ALL_SCRIPT); \
243 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
246 chmod u+x $(ALL_SCRIPT)
248 $(error Error: set INSTALL_PATH to use install)
252 @for TARGET in $(TARGETS); do \
253 BUILD_TARGET=$$BUILD/$$TARGET; \
254 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
257 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean