1 # SPDX-License-Identifier: GPL-2.0
5 TARGETS += capabilities
10 TARGETS += cpu-hotplug
11 TARGETS += drivers/dma-buf
14 TARGETS += filesystems
15 TARGETS += filesystems/binderfs
16 TARGETS += filesystems/epoll
22 TARGETS += intel_pstate
33 TARGETS += memory-hotplug
38 TARGETS += net/forwarding
43 TARGETS += pid_namespace
53 TARGETS += sigaltstack
57 TARGETS += static_keys
59 TARGETS += syscall_user_dispatch
63 ifneq (1, $(quicktest))
72 #Please keep the TARGETS list alphabetically sorted
73 # Run "make quicktest=1 run_tests" or
74 # "make quicktest=1 kselftest" from top level Makefile
76 TARGETS_HOTPLUG = cpu-hotplug
77 TARGETS_HOTPLUG += memory-hotplug
79 # User can optionally provide a TARGETS skiplist.
81 ifneq ($(SKIP_TARGETS),)
82 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
83 override TARGETS := $(TMP)
86 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
87 # built; make will fail if any of the targets cannot be built. If
88 # FORCE_TARGETS is not set (the default), make will succeed if at least one
89 # of the targets gets built.
92 # Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides
93 # implicit rules to sub-test Makefiles which avoids build failures in test
94 # Makefile that don't have explicit build rules.
100 # Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
101 # KBUILD_OUTPUT with selftest objects and headers installed
102 # by selftests Makefile or lib.mk.
103 ifdef building_out_of_srctree
108 BUILD := $(O)/kselftest
110 ifneq ($(KBUILD_OUTPUT),)
111 BUILD := $(KBUILD_OUTPUT)/kselftest
113 BUILD := $(shell pwd)
114 DEFAULT_INSTALL_HDR_PATH := 1
118 # Prepare for headers install
119 top_srcdir ?= ../../..
120 include $(top_srcdir)/scripts/subarch.include
122 export KSFT_KHDR_INSTALL_DONE := 1
125 # build and run gpio when output directory is the src dir.
126 # gpio has dependency on tools/gpio and builds tools/gpio
127 # objects in the src directory in all cases making the src
128 # repo dirty even when objects are relocated.
129 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
130 TMP := $(filter-out gpio, $(TARGETS))
134 # set default goal to all, so make without a target runs all, even when
135 # all isn't the first target in the file.
138 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
139 # is used to avoid running headers_install from lib.mk.
140 # Invoke headers install with --no-builtin-rules to avoid circular
141 # dependency in "make kselftest" case. In this case, second level
142 # make inherits builtin-rules which will use the rule generate
143 # Makefile.o and runs into
144 # "Circular Makefile.o <- prepare dependency dropped."
145 # and headers_install fails and test compile fails.
147 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
148 # invokes them as sub-makes and --no-builtin-rules is not necessary,
149 # but doesn't cause any failures. Keep it simple and use the same
150 # flags in both cases.
151 # Local build cases: "make kselftest", "make -C" - headers are installed
152 # in the default INSTALL_HDR_PATH usr/include.
154 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
155 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
157 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
158 ARCH=$(ARCH) -C $(top_srcdir) headers_install
163 for TARGET in $(TARGETS); do \
164 BUILD_TARGET=$$BUILD/$$TARGET; \
165 mkdir $$BUILD_TARGET -p; \
166 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \
167 $(if $(FORCE_TARGETS),|| exit); \
168 ret=$$((ret * $$?)); \
172 @for TARGET in $(TARGETS); do \
173 BUILD_TARGET=$$BUILD/$$TARGET; \
174 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
178 @for TARGET in $(TARGETS_HOTPLUG); do \
179 BUILD_TARGET=$$BUILD/$$TARGET; \
180 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
184 @for TARGET in $(TARGETS_HOTPLUG); do \
185 BUILD_TARGET=$$BUILD/$$TARGET; \
186 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
190 @for TARGET in $(TARGETS_HOTPLUG); do \
191 BUILD_TARGET=$$BUILD/$$TARGET; \
192 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
196 $(MAKE) -C pstore run_crash
198 # Use $BUILD as the default install root. $BUILD points to the
199 # right output location for the following cases:
200 # 1. output_dir=kernel_src
201 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
202 # 3. a separate output directory is specified using KBUILD_OUTPUT
203 # Avoid conflict with INSTALL_PATH set by the main Makefile
205 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
206 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
207 # Avoid changing the rest of the logic here and lib.mk.
208 INSTALL_PATH := $(KSFT_INSTALL_PATH)
209 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
210 TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt
214 @# Ask all targets to install their files
215 mkdir -p $(INSTALL_PATH)/kselftest
216 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
217 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
218 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
219 install -m 744 run_kselftest.sh $(INSTALL_PATH)/
222 for TARGET in $(TARGETS); do \
223 BUILD_TARGET=$$BUILD/$$TARGET; \
224 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
225 $(if $(FORCE_TARGETS),|| exit); \
226 ret=$$((ret * $$?)); \
230 @# Ask all targets to emit their test scripts
231 @# While building kselftest-list.text skip also non-existent TARGET dirs:
232 @# they could be the result of a build failure and should NOT be
233 @# included in the generated runlist.
234 for TARGET in $(TARGETS); do \
235 BUILD_TARGET=$$BUILD/$$TARGET; \
236 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
237 echo -n "Emit Tests for $$TARGET\n"; \
238 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \
239 -C $$TARGET emit_tests >> $(TEST_LIST); \
242 $(error Error: set INSTALL_PATH to use install)
246 TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
248 @mkdir -p ${INSTALL_PATH}/kselftest-packages/
249 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
250 @echo "Created ${TAR_PATH}"
253 @for TARGET in $(TARGETS); do \
254 BUILD_TARGET=$$BUILD/$$TARGET; \
255 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
258 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar