1 # SPDX-License-Identifier: GPL-2.0
6 TARGETS += capabilities
11 TARGETS += cpu-hotplug
12 TARGETS += drivers/dma-buf
15 TARGETS += filesystems
16 TARGETS += filesystems/binderfs
17 TARGETS += filesystems/epoll
23 TARGETS += intel_pstate
34 TARGETS += memory-hotplug
39 TARGETS += net/forwarding
44 TARGETS += pid_namespace
53 TARGETS += sigaltstack
57 TARGETS += static_keys
62 ifneq (1, $(quicktest))
71 #Please keep the TARGETS list alphabetically sorted
72 # Run "make quicktest=1 run_tests" or
73 # "make quicktest=1 kselftest" from top level Makefile
75 TARGETS_HOTPLUG = cpu-hotplug
76 TARGETS_HOTPLUG += memory-hotplug
78 # User can optionally provide a TARGETS skiplist.
80 ifneq ($(SKIP_TARGETS),)
81 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
82 override TARGETS := $(TMP)
85 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
86 # built; make will fail if any of the targets cannot be built. If
87 # FORCE_TARGETS is not set (the default), make will succeed if at least one
88 # of the targets gets built.
91 # Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides
92 # implicit rules to sub-test Makefiles which avoids build failures in test
93 # Makefile that don't have explicit build rules.
99 # Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
100 # KBUILD_OUTPUT with selftest objects and headers installed
101 # by selftests Makefile or lib.mk.
102 ifdef building_out_of_srctree
107 BUILD := $(O)/kselftest
109 ifneq ($(KBUILD_OUTPUT),)
110 BUILD := $(KBUILD_OUTPUT)/kselftest
112 BUILD := $(shell pwd)
113 DEFAULT_INSTALL_HDR_PATH := 1
117 # Prepare for headers install
118 top_srcdir ?= ../../..
119 include $(top_srcdir)/scripts/subarch.include
121 export KSFT_KHDR_INSTALL_DONE := 1
124 # build and run gpio when output directory is the src dir.
125 # gpio has dependency on tools/gpio and builds tools/gpio
126 # objects in the src directory in all cases making the src
127 # repo dirty even when objects are relocated.
128 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
129 TMP := $(filter-out gpio, $(TARGETS))
133 # set default goal to all, so make without a target runs all, even when
134 # all isn't the first target in the file.
137 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
138 # is used to avoid running headers_install from lib.mk.
139 # Invoke headers install with --no-builtin-rules to avoid circular
140 # dependency in "make kselftest" case. In this case, second level
141 # make inherits builtin-rules which will use the rule generate
142 # Makefile.o and runs into
143 # "Circular Makefile.o <- prepare dependency dropped."
144 # and headers_install fails and test compile fails.
146 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
147 # invokes them as sub-makes and --no-builtin-rules is not necessary,
148 # but doesn't cause any failures. Keep it simple and use the same
149 # flags in both cases.
150 # Local build cases: "make kselftest", "make -C" - headers are installed
151 # in the default INSTALL_HDR_PATH usr/include.
153 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
154 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
156 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
157 ARCH=$(ARCH) -C $(top_srcdir) headers_install
162 for TARGET in $(TARGETS); do \
163 BUILD_TARGET=$$BUILD/$$TARGET; \
164 mkdir $$BUILD_TARGET -p; \
165 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \
166 $(if $(FORCE_TARGETS),|| exit); \
167 ret=$$((ret * $$?)); \
171 @for TARGET in $(TARGETS); do \
172 BUILD_TARGET=$$BUILD/$$TARGET; \
173 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
177 @for TARGET in $(TARGETS_HOTPLUG); do \
178 BUILD_TARGET=$$BUILD/$$TARGET; \
179 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
183 @for TARGET in $(TARGETS_HOTPLUG); do \
184 BUILD_TARGET=$$BUILD/$$TARGET; \
185 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
189 @for TARGET in $(TARGETS_HOTPLUG); do \
190 BUILD_TARGET=$$BUILD/$$TARGET; \
191 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
195 $(MAKE) -C pstore run_crash
197 # Use $BUILD as the default install root. $BUILD points to the
198 # right output location for the following cases:
199 # 1. output_dir=kernel_src
200 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
201 # 3. a separate output directory is specified using KBUILD_OUTPUT
202 # Avoid conflict with INSTALL_PATH set by the main Makefile
204 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
205 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
206 # Avoid changing the rest of the logic here and lib.mk.
207 INSTALL_PATH := $(KSFT_INSTALL_PATH)
208 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
209 TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt
213 @# Ask all targets to install their files
214 mkdir -p $(INSTALL_PATH)/kselftest
215 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
216 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
217 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
218 install -m 744 run_kselftest.sh $(INSTALL_PATH)/
221 for TARGET in $(TARGETS); do \
222 BUILD_TARGET=$$BUILD/$$TARGET; \
223 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
224 $(if $(FORCE_TARGETS),|| exit); \
225 ret=$$((ret * $$?)); \
229 @# Ask all targets to emit their test scripts
230 @# While building kselftest-list.text skip also non-existent TARGET dirs:
231 @# they could be the result of a build failure and should NOT be
232 @# included in the generated runlist.
233 for TARGET in $(TARGETS); do \
234 BUILD_TARGET=$$BUILD/$$TARGET; \
235 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
236 echo -n "Emit Tests for $$TARGET\n"; \
237 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \
238 -C $$TARGET emit_tests >> $(TEST_LIST); \
241 $(error Error: set INSTALL_PATH to use install)
245 TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
247 @mkdir -p ${INSTALL_PATH}/kselftest-packages/
248 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
249 @echo "Created ${TAR_PATH}"
252 @for TARGET in $(TARGETS); do \
253 BUILD_TARGET=$$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 gen_tar