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 := $(TMP)
85 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
86 # built; make will fail if any of the targets cannot be built. If
87 # FORCE_TARGETS is not set (the default), make will succeed if at least one
88 # of the targets gets built.
91 # Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides
92 # implicit rules to sub-test Makefiles which avoids build failures in test
93 # Makefile that don't have explicit build rules.
99 # Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
100 # KBUILD_OUTPUT with selftest objects and headers installed
101 # by selftests Makefile or lib.mk.
102 ifdef building_out_of_srctree
106 top_srcdir ?= ../../..
108 ifeq ("$(origin O)", "command line")
109 KBUILD_OUTPUT := $(O)
112 ifneq ($(KBUILD_OUTPUT),)
113 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot
114 # expand a shell special character '~'. We use a somewhat tedious way here.
115 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd)
116 $(if $(abs_objtree),, \
117 $(error failed to create output directory "$(KBUILD_OUTPUT)"))
118 # $(realpath ...) resolves symlinks
119 abs_objtree := $(realpath $(abs_objtree))
120 BUILD := $(abs_objtree)/kselftest
123 DEFAULT_INSTALL_HDR_PATH := 1
126 # Prepare for headers install
127 include $(top_srcdir)/scripts/subarch.include
129 export KSFT_KHDR_INSTALL_DONE := 1
132 # build and run gpio when output directory is the src dir.
133 # gpio has dependency on tools/gpio and builds tools/gpio
134 # objects in the src directory in all cases making the src
135 # repo dirty even when objects are relocated.
136 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
137 TMP := $(filter-out gpio, $(TARGETS))
141 # set default goal to all, so make without a target runs all, even when
142 # all isn't the first target in the file.
145 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
146 # is used to avoid running headers_install from lib.mk.
147 # Invoke headers install with --no-builtin-rules to avoid circular
148 # dependency in "make kselftest" case. In this case, second level
149 # make inherits builtin-rules which will use the rule generate
150 # Makefile.o and runs into
151 # "Circular Makefile.o <- prepare dependency dropped."
152 # and headers_install fails and test compile fails.
154 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
155 # invokes them as sub-makes and --no-builtin-rules is not necessary,
156 # but doesn't cause any failures. Keep it simple and use the same
157 # flags in both cases.
158 # Local build cases: "make kselftest", "make -C" - headers are installed
159 # in the default INSTALL_HDR_PATH usr/include.
161 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
162 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
164 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
165 ARCH=$(ARCH) -C $(top_srcdir) headers_install
170 for TARGET in $(TARGETS); do \
171 BUILD_TARGET=$$BUILD/$$TARGET; \
172 mkdir $$BUILD_TARGET -p; \
173 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \
174 $(if $(FORCE_TARGETS),|| exit); \
175 ret=$$((ret * $$?)); \
179 @for TARGET in $(TARGETS); do \
180 BUILD_TARGET=$$BUILD/$$TARGET; \
181 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
185 @for TARGET in $(TARGETS_HOTPLUG); do \
186 BUILD_TARGET=$$BUILD/$$TARGET; \
187 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
191 @for TARGET in $(TARGETS_HOTPLUG); do \
192 BUILD_TARGET=$$BUILD/$$TARGET; \
193 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
197 @for TARGET in $(TARGETS_HOTPLUG); do \
198 BUILD_TARGET=$$BUILD/$$TARGET; \
199 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
203 $(MAKE) -C pstore run_crash
205 # Use $BUILD as the default install root. $BUILD points to the
206 # right output location for the following cases:
207 # 1. output_dir=kernel_src
208 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
209 # 3. a separate output directory is specified using KBUILD_OUTPUT
210 # Avoid conflict with INSTALL_PATH set by the main Makefile
212 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
213 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
214 # Avoid changing the rest of the logic here and lib.mk.
215 INSTALL_PATH := $(KSFT_INSTALL_PATH)
216 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
217 TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt
221 @# Ask all targets to install their files
222 mkdir -p $(INSTALL_PATH)/kselftest
223 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
224 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
225 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
226 install -m 744 run_kselftest.sh $(INSTALL_PATH)/
229 for TARGET in $(TARGETS); do \
230 BUILD_TARGET=$$BUILD/$$TARGET; \
231 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
232 $(if $(FORCE_TARGETS),|| exit); \
233 ret=$$((ret * $$?)); \
237 @# Ask all targets to emit their test scripts
238 @# While building kselftest-list.text skip also non-existent TARGET dirs:
239 @# they could be the result of a build failure and should NOT be
240 @# included in the generated runlist.
241 for TARGET in $(TARGETS); do \
242 BUILD_TARGET=$$BUILD/$$TARGET; \
243 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
244 echo -n "Emit Tests for $$TARGET\n"; \
245 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \
246 -C $$TARGET emit_tests >> $(TEST_LIST); \
249 $(error Error: set INSTALL_PATH to use install)
253 TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
255 @mkdir -p ${INSTALL_PATH}/kselftest-packages/
256 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
257 @echo "Created ${TAR_PATH}"
260 @for TARGET in $(TARGETS); do \
261 BUILD_TARGET=$$BUILD/$$TARGET; \
262 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
265 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar