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
29 TARGETS += memory-hotplug
34 TARGETS += networking/timestamping
44 TARGETS += sigaltstack
48 TARGETS += static_keys
51 ifneq (1, $(quicktest))
60 #Please keep the TARGETS list alphabetically sorted
61 # Run "make quicktest=1 run_tests" or
62 # "make quicktest=1 kselftest" from top level Makefile
64 TARGETS_HOTPLUG = cpu-hotplug
65 TARGETS_HOTPLUG += memory-hotplug
67 # User can optionally provide a TARGETS skiplist.
69 ifneq ($(SKIP_TARGETS),)
70 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
71 override TARGETS := $(TMP)
74 # Clear LDFLAGS and MAKEFLAGS if called from main
75 # Makefile to avoid test build failures when test
76 # Makefile doesn't have explicit build rules.
82 # Append kselftest to KBUILD_OUTPUT to avoid cluttering
83 # KBUILD_OUTPUT with selftest objects and headers installed
84 # by selftests Makefile or lib.mk.
85 ifdef building_out_of_srctree
92 ifneq ($(KBUILD_OUTPUT),)
93 BUILD := $(KBUILD_OUTPUT)/kselftest
96 DEFAULT_INSTALL_HDR_PATH := 1
100 # Prepare for headers install
101 top_srcdir ?= ../../..
102 include $(top_srcdir)/scripts/subarch.include
104 export KSFT_KHDR_INSTALL_DONE := 1
107 # build and run gpio when output directory is the src dir.
108 # gpio has dependency on tools/gpio and builds tools/gpio
109 # objects in the src directory in all cases making the src
110 # repo dirty even when objects are relocated.
111 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
112 TMP := $(filter-out gpio, $(TARGETS))
116 # set default goal to all, so make without a target runs all, even when
117 # all isn't the first target in the file.
120 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
121 # is used to avoid running headers_install from lib.mk.
122 # Invoke headers install with --no-builtin-rules to avoid circular
123 # dependency in "make kselftest" case. In this case, second level
124 # make inherits builtin-rules which will use the rule generate
125 # Makefile.o and runs into
126 # "Circular Makefile.o <- prepare dependency dropped."
127 # and headers_install fails and test compile fails.
129 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
130 # invokes them as sub-makes and --no-builtin-rules is not necessary,
131 # but doesn't cause any failures. Keep it simple and use the same
132 # flags in both cases.
133 # Local build cases: "make kselftest", "make -C" - headers are installed
134 # in the default INSTALL_HDR_PATH usr/include.
136 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
137 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
139 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
140 ARCH=$(ARCH) -C $(top_srcdir) headers_install
144 @for TARGET in $(TARGETS); do \
145 BUILD_TARGET=$$BUILD/$$TARGET; \
146 mkdir $$BUILD_TARGET -p; \
147 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
151 @for TARGET in $(TARGETS); do \
152 BUILD_TARGET=$$BUILD/$$TARGET; \
153 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
157 @for TARGET in $(TARGETS_HOTPLUG); do \
158 BUILD_TARGET=$$BUILD/$$TARGET; \
159 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
163 @for TARGET in $(TARGETS_HOTPLUG); do \
164 BUILD_TARGET=$$BUILD/$$TARGET; \
165 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
169 @for TARGET in $(TARGETS_HOTPLUG); do \
170 BUILD_TARGET=$$BUILD/$$TARGET; \
171 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
175 $(MAKE) -C pstore run_crash
177 # Use $BUILD as the default install root. $BUILD points to the
178 # right output location for the following cases:
179 # 1. output_dir=kernel_src
180 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
181 # 3. a separate output directory is specified using KBUILD_OUTPUT
182 # Avoid conflict with INSTALL_PATH set by the main Makefile
184 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
185 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
186 # Avoid changing the rest of the logic here and lib.mk.
187 INSTALL_PATH := $(KSFT_INSTALL_PATH)
188 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
192 @# Ask all targets to install their files
193 mkdir -p $(INSTALL_PATH)/kselftest
194 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
195 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
196 @for TARGET in $(TARGETS); do \
197 BUILD_TARGET=$$BUILD/$$TARGET; \
198 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \
201 @# Ask all targets to emit their test scripts
202 echo "#!/bin/sh" > $(ALL_SCRIPT)
203 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT)
204 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT)
205 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT)
206 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT)
207 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT)
208 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT)
209 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
210 echo "fi" >> $(ALL_SCRIPT)
212 @# While building run_kselftest.sh skip also non-existent TARGET dirs:
213 @# they could be the result of a build failure and should NOT be
214 @# included in the generated runlist.
215 for TARGET in $(TARGETS); do \
216 BUILD_TARGET=$$BUILD/$$TARGET; \
217 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
218 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
219 echo "cd $$TARGET" >> $(ALL_SCRIPT); \
220 echo -n "run_many" >> $(ALL_SCRIPT); \
221 echo -n "Emit Tests for $$TARGET\n"; \
222 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
223 echo "" >> $(ALL_SCRIPT); \
224 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
227 chmod u+x $(ALL_SCRIPT)
229 $(error Error: set INSTALL_PATH to use install)
233 @for TARGET in $(TARGETS); do \
234 BUILD_TARGET=$$BUILD/$$TARGET; \
235 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
238 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean