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
31 TARGETS += memory-hotplug
36 TARGETS += networking/timestamping
46 TARGETS += sigaltstack
50 TARGETS += static_keys
53 ifneq (1, $(quicktest))
62 #Please keep the TARGETS list alphabetically sorted
63 # Run "make quicktest=1 run_tests" or
64 # "make quicktest=1 kselftest" from top level Makefile
66 TARGETS_HOTPLUG = cpu-hotplug
67 TARGETS_HOTPLUG += memory-hotplug
69 # User can optionally provide a TARGETS skiplist.
71 ifneq ($(SKIP_TARGETS),)
72 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
73 override TARGETS := $(TMP)
76 # Clear LDFLAGS and MAKEFLAGS if called from main
77 # Makefile to avoid test build failures when test
78 # Makefile doesn't have explicit build rules.
84 # Append kselftest to KBUILD_OUTPUT to avoid cluttering
85 # KBUILD_OUTPUT with selftest objects and headers installed
86 # by selftests Makefile or lib.mk.
87 ifdef building_out_of_srctree
94 ifneq ($(KBUILD_OUTPUT),)
95 BUILD := $(KBUILD_OUTPUT)/kselftest
98 DEFAULT_INSTALL_HDR_PATH := 1
102 # Prepare for headers install
103 top_srcdir ?= ../../..
104 include $(top_srcdir)/scripts/subarch.include
106 export KSFT_KHDR_INSTALL_DONE := 1
109 # build and run gpio when output directory is the src dir.
110 # gpio has dependency on tools/gpio and builds tools/gpio
111 # objects in the src directory in all cases making the src
112 # repo dirty even when objects are relocated.
113 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
114 TMP := $(filter-out gpio, $(TARGETS))
118 # set default goal to all, so make without a target runs all, even when
119 # all isn't the first target in the file.
122 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
123 # is used to avoid running headers_install from lib.mk.
124 # Invoke headers install with --no-builtin-rules to avoid circular
125 # dependency in "make kselftest" case. In this case, second level
126 # make inherits builtin-rules which will use the rule generate
127 # Makefile.o and runs into
128 # "Circular Makefile.o <- prepare dependency dropped."
129 # and headers_install fails and test compile fails.
131 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
132 # invokes them as sub-makes and --no-builtin-rules is not necessary,
133 # but doesn't cause any failures. Keep it simple and use the same
134 # flags in both cases.
135 # Local build cases: "make kselftest", "make -C" - headers are installed
136 # in the default INSTALL_HDR_PATH usr/include.
138 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
139 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
141 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
142 ARCH=$(ARCH) -C $(top_srcdir) headers_install
146 @for TARGET in $(TARGETS); do \
147 BUILD_TARGET=$$BUILD/$$TARGET; \
148 mkdir $$BUILD_TARGET -p; \
149 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
153 @for TARGET in $(TARGETS); do \
154 BUILD_TARGET=$$BUILD/$$TARGET; \
155 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
159 @for TARGET in $(TARGETS_HOTPLUG); do \
160 BUILD_TARGET=$$BUILD/$$TARGET; \
161 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
165 @for TARGET in $(TARGETS_HOTPLUG); do \
166 BUILD_TARGET=$$BUILD/$$TARGET; \
167 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
171 @for TARGET in $(TARGETS_HOTPLUG); do \
172 BUILD_TARGET=$$BUILD/$$TARGET; \
173 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
177 $(MAKE) -C pstore run_crash
179 # Use $BUILD as the default install root. $BUILD points to the
180 # right output location for the following cases:
181 # 1. output_dir=kernel_src
182 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
183 # 3. a separate output directory is specified using KBUILD_OUTPUT
184 # Avoid conflict with INSTALL_PATH set by the main Makefile
186 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
187 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
188 # Avoid changing the rest of the logic here and lib.mk.
189 INSTALL_PATH := $(KSFT_INSTALL_PATH)
190 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
194 @# Ask all targets to install their files
195 mkdir -p $(INSTALL_PATH)/kselftest
196 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
197 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
198 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
199 @for TARGET in $(TARGETS); do \
200 BUILD_TARGET=$$BUILD/$$TARGET; \
201 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \
204 @# Ask all targets to emit their test scripts
205 echo "#!/bin/sh" > $(ALL_SCRIPT)
206 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
207 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
208 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
209 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
210 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
211 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
212 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
213 echo "fi" >> $(ALL_SCRIPT)
215 @# While building run_kselftest.sh skip also non-existent TARGET dirs:
216 @# they could be the result of a build failure and should NOT be
217 @# included in the generated runlist.
218 for TARGET in $(TARGETS); do \
219 BUILD_TARGET=$$BUILD/$$TARGET; \
220 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
221 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
222 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
223 echo -n "run_many" >> $(ALL_SCRIPT); \
224 echo -n "Emit Tests for $$TARGET\n"; \
225 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
226 echo "" >> $(ALL_SCRIPT); \
227 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
230 chmod u+x $(ALL_SCRIPT)
232 $(error Error: set INSTALL_PATH to use install)
236 @for TARGET in $(TARGETS); do \
237 BUILD_TARGET=$$BUILD/$$TARGET; \
238 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
241 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean