1# SPDX-License-Identifier: GPL-2.0 2TARGETS = android 3TARGETS += arm64 4TARGETS += bpf 5TARGETS += breakpoints 6TARGETS += capabilities 7TARGETS += cgroup 8TARGETS += clone3 9TARGETS += cpufreq 10TARGETS += cpu-hotplug 11TARGETS += drivers/dma-buf 12TARGETS += efivarfs 13TARGETS += exec 14TARGETS += filesystems 15TARGETS += filesystems/binderfs 16TARGETS += filesystems/epoll 17TARGETS += firmware 18TARGETS += ftrace 19TARGETS += futex 20TARGETS += gpio 21TARGETS += intel_pstate 22TARGETS += ipc 23TARGETS += ir 24TARGETS += kcmp 25TARGETS += kexec 26TARGETS += kvm 27TARGETS += lib 28TARGETS += livepatch 29TARGETS += lkdtm 30TARGETS += membarrier 31TARGETS += memfd 32TARGETS += memory-hotplug 33TARGETS += mount 34TARGETS += mqueue 35TARGETS += net 36TARGETS += net/forwarding 37TARGETS += net/mptcp 38TARGETS += netfilter 39TARGETS += nsfs 40TARGETS += pidfd 41TARGETS += pid_namespace 42TARGETS += powerpc 43TARGETS += proc 44TARGETS += pstore 45TARGETS += ptrace 46TARGETS += openat2 47TARGETS += rseq 48TARGETS += rtc 49TARGETS += seccomp 50TARGETS += sigaltstack 51TARGETS += size 52TARGETS += sparc64 53TARGETS += splice 54TARGETS += static_keys 55TARGETS += sync 56TARGETS += sysctl 57TARGETS += tc-testing 58TARGETS += timens 59ifneq (1, $(quicktest)) 60TARGETS += timers 61endif 62TARGETS += tmpfs 63TARGETS += tpm2 64TARGETS += user 65TARGETS += vm 66TARGETS += x86 67TARGETS += zram 68#Please keep the TARGETS list alphabetically sorted 69# Run "make quicktest=1 run_tests" or 70# "make quicktest=1 kselftest" from top level Makefile 71 72TARGETS_HOTPLUG = cpu-hotplug 73TARGETS_HOTPLUG += memory-hotplug 74 75# User can optionally provide a TARGETS skiplist. 76SKIP_TARGETS ?= 77ifneq ($(SKIP_TARGETS),) 78 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 79 override TARGETS := $(TMP) 80endif 81 82# User can set FORCE_TARGETS to 1 to require all targets to be successfully 83# built; make will fail if any of the targets cannot be built. If 84# FORCE_TARGETS is not set (the default), make will succeed if at least one 85# of the targets gets built. 86FORCE_TARGETS ?= 87 88# Clear LDFLAGS and MAKEFLAGS if called from main 89# Makefile to avoid test build failures when test 90# Makefile doesn't have explicit build rules. 91ifeq (1,$(MAKELEVEL)) 92override LDFLAGS = 93override MAKEFLAGS = 94endif 95 96# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 97# KBUILD_OUTPUT with selftest objects and headers installed 98# by selftests Makefile or lib.mk. 99ifdef building_out_of_srctree 100override LDFLAGS = 101endif 102 103ifneq ($(O),) 104 BUILD := $(O)/kselftest 105else 106 ifneq ($(KBUILD_OUTPUT),) 107 BUILD := $(KBUILD_OUTPUT)/kselftest 108 else 109 BUILD := $(shell pwd) 110 DEFAULT_INSTALL_HDR_PATH := 1 111 endif 112endif 113 114# Prepare for headers install 115top_srcdir ?= ../../.. 116include $(top_srcdir)/scripts/subarch.include 117ARCH ?= $(SUBARCH) 118export KSFT_KHDR_INSTALL_DONE := 1 119export BUILD 120 121# build and run gpio when output directory is the src dir. 122# gpio has dependency on tools/gpio and builds tools/gpio 123# objects in the src directory in all cases making the src 124# repo dirty even when objects are relocated. 125ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 126 TMP := $(filter-out gpio, $(TARGETS)) 127 TARGETS := $(TMP) 128endif 129 130# set default goal to all, so make without a target runs all, even when 131# all isn't the first target in the file. 132.DEFAULT_GOAL := all 133 134# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 135# is used to avoid running headers_install from lib.mk. 136# Invoke headers install with --no-builtin-rules to avoid circular 137# dependency in "make kselftest" case. In this case, second level 138# make inherits builtin-rules which will use the rule generate 139# Makefile.o and runs into 140# "Circular Makefile.o <- prepare dependency dropped." 141# and headers_install fails and test compile fails. 142# 143# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 144# invokes them as sub-makes and --no-builtin-rules is not necessary, 145# but doesn't cause any failures. Keep it simple and use the same 146# flags in both cases. 147# Local build cases: "make kselftest", "make -C" - headers are installed 148# in the default INSTALL_HDR_PATH usr/include. 149khdr: 150ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 151 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 152else 153 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 154 ARCH=$(ARCH) -C $(top_srcdir) headers_install 155endif 156 157all: khdr 158 @ret=1; \ 159 for TARGET in $(TARGETS); do \ 160 BUILD_TARGET=$$BUILD/$$TARGET; \ 161 mkdir $$BUILD_TARGET -p; \ 162 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 163 $(if $(FORCE_TARGETS),|| exit); \ 164 ret=$$((ret * $$?)); \ 165 done; exit $$ret; 166 167run_tests: all 168 @for TARGET in $(TARGETS); do \ 169 BUILD_TARGET=$$BUILD/$$TARGET; \ 170 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 171 done; 172 173hotplug: 174 @for TARGET in $(TARGETS_HOTPLUG); do \ 175 BUILD_TARGET=$$BUILD/$$TARGET; \ 176 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 177 done; 178 179run_hotplug: hotplug 180 @for TARGET in $(TARGETS_HOTPLUG); do \ 181 BUILD_TARGET=$$BUILD/$$TARGET; \ 182 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 183 done; 184 185clean_hotplug: 186 @for TARGET in $(TARGETS_HOTPLUG); do \ 187 BUILD_TARGET=$$BUILD/$$TARGET; \ 188 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 189 done; 190 191run_pstore_crash: 192 $(MAKE) -C pstore run_crash 193 194# Use $BUILD as the default install root. $BUILD points to the 195# right output location for the following cases: 196# 1. output_dir=kernel_src 197# 2. a separate output directory is specified using O= KBUILD_OUTPUT 198# 3. a separate output directory is specified using KBUILD_OUTPUT 199# Avoid conflict with INSTALL_PATH set by the main Makefile 200# 201KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 202KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 203# Avoid changing the rest of the logic here and lib.mk. 204INSTALL_PATH := $(KSFT_INSTALL_PATH) 205ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 206 207install: all 208ifdef INSTALL_PATH 209 @# Ask all targets to install their files 210 mkdir -p $(INSTALL_PATH)/kselftest 211 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 212 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 213 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 214 @ret=1; \ 215 for TARGET in $(TARGETS); do \ 216 BUILD_TARGET=$$BUILD/$$TARGET; \ 217 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 218 $(if $(FORCE_TARGETS),|| exit); \ 219 ret=$$((ret * $$?)); \ 220 done; exit $$ret; 221 222 @# Ask all targets to emit their test scripts 223 echo "#!/bin/sh" > $(ALL_SCRIPT) 224 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) 225 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) 226 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) 227 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) 228 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) 229 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) 230 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) 231 echo "fi" >> $(ALL_SCRIPT) 232 233 @# While building run_kselftest.sh skip also non-existent TARGET dirs: 234 @# they could be the result of a build failure and should NOT be 235 @# included in the generated runlist. 236 for TARGET in $(TARGETS); do \ 237 BUILD_TARGET=$$BUILD/$$TARGET; \ 238 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 239 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ 240 echo "cd $$TARGET" >> $(ALL_SCRIPT); \ 241 echo -n "run_many" >> $(ALL_SCRIPT); \ 242 echo -n "Emit Tests for $$TARGET\n"; \ 243 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ 244 echo "" >> $(ALL_SCRIPT); \ 245 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ 246 done; 247 248 chmod u+x $(ALL_SCRIPT) 249else 250 $(error Error: set INSTALL_PATH to use install) 251endif 252 253FORMAT ?= .gz 254TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 255gen_tar: install 256 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 257 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 258 @echo "Created ${TAR_PATH}" 259 260clean: 261 @for TARGET in $(TARGETS); do \ 262 BUILD_TARGET=$$BUILD/$$TARGET; \ 263 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 264 done; 265 266.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 267