1 # SPDX-License-Identifier: GPL-2.0
5 TARGETS += capabilities
9 TARGETS += drivers/dma-buf
12 TARGETS += filesystems
13 TARGETS += filesystems/binderfs
18 TARGETS += intel_pstate
28 TARGETS += memory-hotplug
33 TARGETS += networking/timestamping
43 TARGETS += sigaltstack
47 TARGETS += static_keys
50 ifneq (1, $(quicktest))
59 #Please keep the TARGETS list alphabetically sorted
60 # Run "make quicktest=1 run_tests" or
61 # "make quicktest=1 kselftest" from top level Makefile
63 TARGETS_HOTPLUG = cpu-hotplug
64 TARGETS_HOTPLUG += memory-hotplug
66 # User can optionally provide a TARGETS skiplist.
68 ifneq ($(SKIP_TARGETS),)
69 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
70 override TARGETS := $(TMP)
73 # Clear LDFLAGS and MAKEFLAGS if called from main
74 # Makefile to avoid test build failures when test
75 # Makefile doesn't have explicit build rules.
81 # Append kselftest to KBUILD_OUTPUT to avoid cluttering
82 # KBUILD_OUTPUT with selftest objects and headers installed
83 # by selftests Makefile or lib.mk.
84 ifdef building_out_of_srctree
91 ifneq ($(KBUILD_OUTPUT),)
92 BUILD := $(KBUILD_OUTPUT)/kselftest
95 DEFAULT_INSTALL_HDR_PATH := 1
99 # Prepare for headers install
100 top_srcdir ?= ../../..
101 include $(top_srcdir)/scripts/subarch.include
103 export KSFT_KHDR_INSTALL_DONE := 1
106 # build and run gpio when output directory is the src dir.
107 # gpio has dependency on tools/gpio and builds tools/gpio
108 # objects in the src directory in all cases making the src
109 # repo dirty even when objects are relocated.
110 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
111 TMP := $(filter-out gpio, $(TARGETS))
115 # set default goal to all, so make without a target runs all, even when
116 # all isn't the first target in the file.
119 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
120 # is used to avoid running headers_install from lib.mk.
121 # Invoke headers install with --no-builtin-rules to avoid circular
122 # dependency in "make kselftest" case. In this case, second level
123 # make inherits builtin-rules which will use the rule generate
124 # Makefile.o and runs into
125 # "Circular Makefile.o <- prepare dependency dropped."
126 # and headers_install fails and test compile fails.
128 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
129 # invokes them as sub-makes and --no-builtin-rules is not necessary,
130 # but doesn't cause any failures. Keep it simple and use the same
131 # flags in both cases.
132 # Local build cases: "make kselftest", "make -C" - headers are installed
133 # in the default INSTALL_HDR_PATH usr/include.
135 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
136 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
138 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
139 ARCH=$(ARCH) -C $(top_srcdir) headers_install
143 @for TARGET in $(TARGETS); do \
144 BUILD_TARGET=$$BUILD/$$TARGET; \
145 mkdir $$BUILD_TARGET -p; \
146 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
150 @for TARGET in $(TARGETS); do \
151 BUILD_TARGET=$$BUILD/$$TARGET; \
152 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
156 @for TARGET in $(TARGETS_HOTPLUG); do \
157 BUILD_TARGET=$$BUILD/$$TARGET; \
158 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
162 @for TARGET in $(TARGETS_HOTPLUG); do \
163 BUILD_TARGET=$$BUILD/$$TARGET; \
164 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
168 @for TARGET in $(TARGETS_HOTPLUG); do \
169 BUILD_TARGET=$$BUILD/$$TARGET; \
170 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
174 $(MAKE) -C pstore run_crash
176 # Use $BUILD as the default install root. $BUILD points to the
177 # right output location for the following cases:
178 # 1. output_dir=kernel_src
179 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
180 # 3. a separate output directory is specified using KBUILD_OUTPUT
181 # Avoid conflict with INSTALL_PATH set by the main Makefile
183 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
184 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
185 # Avoid changing the rest of the logic here and lib.mk.
186 INSTALL_PATH := $(KSFT_INSTALL_PATH)
187 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
191 @# Ask all targets to install their files
192 mkdir -p $(INSTALL_PATH)/kselftest
193 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
194 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
195 @for TARGET in $(TARGETS); do \
196 BUILD_TARGET=$$BUILD/$$TARGET; \
197 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \
200 @# Ask all targets to emit their test scripts
201 echo "#!/bin/sh" > $(ALL_SCRIPT)
202 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
203 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
204 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
205 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
206 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
207 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
208 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
209 echo "fi" >> $(ALL_SCRIPT)
211 @# While building run_kselftest.sh skip also non-existent TARGET dirs:
212 @# they could be the result of a build failure and should NOT be
213 @# included in the generated runlist.
214 for TARGET in $(TARGETS); do \
215 BUILD_TARGET=$$BUILD/$$TARGET; \
216 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
217 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
218 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
219 echo -n "run_many" >> $(ALL_SCRIPT); \
220 echo -n "Emit Tests for $$TARGET\n"; \
221 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
222 echo "" >> $(ALL_SCRIPT); \
223 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
226 chmod u+x $(ALL_SCRIPT)
228 $(error Error: set INSTALL_PATH to use install)
232 @for TARGET in $(TARGETS); do \
233 BUILD_TARGET=$$BUILD/$$TARGET; \
234 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
237 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean