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
20 TARGETS += intel_pstate
30 TARGETS += memory-hotplug
35 TARGETS += networking/timestamping
45 TARGETS += sigaltstack
49 TARGETS += static_keys
52 ifneq (1, $(quicktest))
61 #Please keep the TARGETS list alphabetically sorted
62 # Run "make quicktest=1 run_tests" or
63 # "make quicktest=1 kselftest" from top level Makefile
65 TARGETS_HOTPLUG = cpu-hotplug
66 TARGETS_HOTPLUG += memory-hotplug
68 # User can optionally provide a TARGETS skiplist.
70 ifneq ($(SKIP_TARGETS),)
71 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
72 override TARGETS := $(TMP)
75 # Clear LDFLAGS and MAKEFLAGS if called from main
76 # Makefile to avoid test build failures when test
77 # Makefile doesn't have explicit build rules.
83 # Append kselftest to KBUILD_OUTPUT to avoid cluttering
84 # KBUILD_OUTPUT with selftest objects and headers installed
85 # by selftests Makefile or lib.mk.
86 ifdef building_out_of_srctree
93 ifneq ($(KBUILD_OUTPUT),)
94 BUILD := $(KBUILD_OUTPUT)/kselftest
97 DEFAULT_INSTALL_HDR_PATH := 1
101 # Prepare for headers install
102 top_srcdir ?= ../../..
103 include $(top_srcdir)/scripts/subarch.include
105 export KSFT_KHDR_INSTALL_DONE := 1
108 # build and run gpio when output directory is the src dir.
109 # gpio has dependency on tools/gpio and builds tools/gpio
110 # objects in the src directory in all cases making the src
111 # repo dirty even when objects are relocated.
112 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
113 TMP := $(filter-out gpio, $(TARGETS))
117 # set default goal to all, so make without a target runs all, even when
118 # all isn't the first target in the file.
121 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
122 # is used to avoid running headers_install from lib.mk.
123 # Invoke headers install with --no-builtin-rules to avoid circular
124 # dependency in "make kselftest" case. In this case, second level
125 # make inherits builtin-rules which will use the rule generate
126 # Makefile.o and runs into
127 # "Circular Makefile.o <- prepare dependency dropped."
128 # and headers_install fails and test compile fails.
130 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
131 # invokes them as sub-makes and --no-builtin-rules is not necessary,
132 # but doesn't cause any failures. Keep it simple and use the same
133 # flags in both cases.
134 # Local build cases: "make kselftest", "make -C" - headers are installed
135 # in the default INSTALL_HDR_PATH usr/include.
137 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
138 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
140 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
141 ARCH=$(ARCH) -C $(top_srcdir) headers_install
145 @for TARGET in $(TARGETS); do \
146 BUILD_TARGET=$$BUILD/$$TARGET; \
147 mkdir $$BUILD_TARGET -p; \
148 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
152 @for TARGET in $(TARGETS); do \
153 BUILD_TARGET=$$BUILD/$$TARGET; \
154 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
158 @for TARGET in $(TARGETS_HOTPLUG); do \
159 BUILD_TARGET=$$BUILD/$$TARGET; \
160 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
164 @for TARGET in $(TARGETS_HOTPLUG); do \
165 BUILD_TARGET=$$BUILD/$$TARGET; \
166 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
170 @for TARGET in $(TARGETS_HOTPLUG); do \
171 BUILD_TARGET=$$BUILD/$$TARGET; \
172 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
176 $(MAKE) -C pstore run_crash
178 # Use $BUILD as the default install root. $BUILD points to the
179 # right output location for the following cases:
180 # 1. output_dir=kernel_src
181 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
182 # 3. a separate output directory is specified using KBUILD_OUTPUT
183 # Avoid conflict with INSTALL_PATH set by the main Makefile
185 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
186 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
187 # Avoid changing the rest of the logic here and lib.mk.
188 INSTALL_PATH := $(KSFT_INSTALL_PATH)
189 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
193 @# Ask all targets to install their files
194 mkdir -p $(INSTALL_PATH)/kselftest
195 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
196 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
197 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
198 @for TARGET in $(TARGETS); do \
199 BUILD_TARGET=$$BUILD/$$TARGET; \
200 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \
203 @# Ask all targets to emit their test scripts
204 echo "#!/bin/sh" > $(ALL_SCRIPT)
205 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
206 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
207 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
208 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
209 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
210 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
211 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
212 echo "fi" >> $(ALL_SCRIPT)
214 @# While building run_kselftest.sh skip also non-existent TARGET dirs:
215 @# they could be the result of a build failure and should NOT be
216 @# included in the generated runlist.
217 for TARGET in $(TARGETS); do \
218 BUILD_TARGET=$$BUILD/$$TARGET; \
219 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
220 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
221 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
222 echo -n "run_many" >> $(ALL_SCRIPT); \
223 echo -n "Emit Tests for $$TARGET\n"; \
224 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
225 echo "" >> $(ALL_SCRIPT); \
226 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
229 chmod u+x $(ALL_SCRIPT)
231 $(error Error: set INSTALL_PATH to use install)
235 @for TARGET in $(TARGETS); do \
236 BUILD_TARGET=$$BUILD/$$TARGET; \
237 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
240 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean