1# SPDX-License-Identifier: GPL-2.0 2TARGETS = android 3TARGETS += arm64 4TARGETS += bpf 5TARGETS += breakpoints 6TARGETS += capabilities 7TARGETS += cgroup 8TARGETS += clone3 9TARGETS += core 10TARGETS += cpufreq 11TARGETS += cpu-hotplug 12TARGETS += drivers/dma-buf 13TARGETS += efivarfs 14TARGETS += exec 15TARGETS += filesystems 16TARGETS += filesystems/binderfs 17TARGETS += filesystems/epoll 18TARGETS += firmware 19TARGETS += fpu 20TARGETS += ftrace 21TARGETS += futex 22TARGETS += gpio 23TARGETS += intel_pstate 24TARGETS += ipc 25TARGETS += ir 26TARGETS += kcmp 27TARGETS += kexec 28TARGETS += kvm 29TARGETS += lib 30TARGETS += livepatch 31TARGETS += lkdtm 32TARGETS += membarrier 33TARGETS += memfd 34TARGETS += memory-hotplug 35TARGETS += mount 36TARGETS += mqueue 37TARGETS += net 38TARGETS += net/forwarding 39TARGETS += net/mptcp 40TARGETS += netfilter 41TARGETS += nsfs 42TARGETS += pidfd 43TARGETS += pid_namespace 44TARGETS += powerpc 45TARGETS += proc 46TARGETS += pstore 47TARGETS += ptrace 48TARGETS += openat2 49TARGETS += rseq 50TARGETS += rtc 51TARGETS += seccomp 52TARGETS += sigaltstack 53TARGETS += size 54TARGETS += sparc64 55TARGETS += splice 56TARGETS += static_keys 57TARGETS += sync 58TARGETS += sysctl 59TARGETS += timens 60ifneq (1, $(quicktest)) 61TARGETS += timers 62endif 63TARGETS += tmpfs 64TARGETS += tpm2 65TARGETS += user 66TARGETS += vm 67TARGETS += x86 68TARGETS += zram 69#Please keep the TARGETS list alphabetically sorted 70# Run "make quicktest=1 run_tests" or 71# "make quicktest=1 kselftest" from top level Makefile 72 73TARGETS_HOTPLUG = cpu-hotplug 74TARGETS_HOTPLUG += memory-hotplug 75 76# User can optionally provide a TARGETS skiplist. 77SKIP_TARGETS ?= 78ifneq ($(SKIP_TARGETS),) 79 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 80 override TARGETS := $(TMP) 81endif 82 83# User can set FORCE_TARGETS to 1 to require all targets to be successfully 84# built; make will fail if any of the targets cannot be built. If 85# FORCE_TARGETS is not set (the default), make will succeed if at least one 86# of the targets gets built. 87FORCE_TARGETS ?= 88 89# Clear LDFLAGS and MAKEFLAGS if called from main 90# Makefile to avoid test build failures when test 91# Makefile doesn't have explicit build rules. 92ifeq (1,$(MAKELEVEL)) 93override LDFLAGS = 94override MAKEFLAGS = 95endif 96 97# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 98# KBUILD_OUTPUT with selftest objects and headers installed 99# by selftests Makefile or lib.mk. 100ifdef building_out_of_srctree 101override LDFLAGS = 102endif 103 104ifneq ($(O),) 105 BUILD := $(O)/kselftest 106else 107 ifneq ($(KBUILD_OUTPUT),) 108 BUILD := $(KBUILD_OUTPUT)/kselftest 109 else 110 BUILD := $(shell pwd) 111 DEFAULT_INSTALL_HDR_PATH := 1 112 endif 113endif 114 115# Prepare for headers install 116top_srcdir ?= ../../.. 117include $(top_srcdir)/scripts/subarch.include 118ARCH ?= $(SUBARCH) 119export KSFT_KHDR_INSTALL_DONE := 1 120export BUILD 121 122# build and run gpio when output directory is the src dir. 123# gpio has dependency on tools/gpio and builds tools/gpio 124# objects in the src directory in all cases making the src 125# repo dirty even when objects are relocated. 126ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 127 TMP := $(filter-out gpio, $(TARGETS)) 128 TARGETS := $(TMP) 129endif 130 131# set default goal to all, so make without a target runs all, even when 132# all isn't the first target in the file. 133.DEFAULT_GOAL := all 134 135# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 136# is used to avoid running headers_install from lib.mk. 137# Invoke headers install with --no-builtin-rules to avoid circular 138# dependency in "make kselftest" case. In this case, second level 139# make inherits builtin-rules which will use the rule generate 140# Makefile.o and runs into 141# "Circular Makefile.o <- prepare dependency dropped." 142# and headers_install fails and test compile fails. 143# 144# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 145# invokes them as sub-makes and --no-builtin-rules is not necessary, 146# but doesn't cause any failures. Keep it simple and use the same 147# flags in both cases. 148# Local build cases: "make kselftest", "make -C" - headers are installed 149# in the default INSTALL_HDR_PATH usr/include. 150khdr: 151ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 152 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 153else 154 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 155 ARCH=$(ARCH) -C $(top_srcdir) headers_install 156endif 157 158all: khdr 159 @ret=1; \ 160 for TARGET in $(TARGETS); do \ 161 BUILD_TARGET=$$BUILD/$$TARGET; \ 162 mkdir $$BUILD_TARGET -p; \ 163 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 164 $(if $(FORCE_TARGETS),|| exit); \ 165 ret=$$((ret * $$?)); \ 166 done; exit $$ret; 167 168run_tests: all 169 @for TARGET in $(TARGETS); do \ 170 BUILD_TARGET=$$BUILD/$$TARGET; \ 171 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 172 done; 173 174hotplug: 175 @for TARGET in $(TARGETS_HOTPLUG); do \ 176 BUILD_TARGET=$$BUILD/$$TARGET; \ 177 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 178 done; 179 180run_hotplug: hotplug 181 @for TARGET in $(TARGETS_HOTPLUG); do \ 182 BUILD_TARGET=$$BUILD/$$TARGET; \ 183 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 184 done; 185 186clean_hotplug: 187 @for TARGET in $(TARGETS_HOTPLUG); do \ 188 BUILD_TARGET=$$BUILD/$$TARGET; \ 189 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 190 done; 191 192run_pstore_crash: 193 $(MAKE) -C pstore run_crash 194 195# Use $BUILD as the default install root. $BUILD points to the 196# right output location for the following cases: 197# 1. output_dir=kernel_src 198# 2. a separate output directory is specified using O= KBUILD_OUTPUT 199# 3. a separate output directory is specified using KBUILD_OUTPUT 200# Avoid conflict with INSTALL_PATH set by the main Makefile 201# 202KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 203KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 204# Avoid changing the rest of the logic here and lib.mk. 205INSTALL_PATH := $(KSFT_INSTALL_PATH) 206ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 207 208install: all 209ifdef INSTALL_PATH 210 @# Ask all targets to install their files 211 mkdir -p $(INSTALL_PATH)/kselftest 212 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 213 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 214 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 215 @ret=1; \ 216 for TARGET in $(TARGETS); do \ 217 BUILD_TARGET=$$BUILD/$$TARGET; \ 218 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 219 $(if $(FORCE_TARGETS),|| exit); \ 220 ret=$$((ret * $$?)); \ 221 done; exit $$ret; 222 223 @# Ask all targets to emit their test scripts 224 echo "#!/bin/sh" > $(ALL_SCRIPT) 225 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) 226 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) 227 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) 228 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) 229 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) 230 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) 231 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) 232 echo "fi" >> $(ALL_SCRIPT) 233 234 @# While building run_kselftest.sh skip also non-existent TARGET dirs: 235 @# they could be the result of a build failure and should NOT be 236 @# included in the generated runlist. 237 for TARGET in $(TARGETS); do \ 238 BUILD_TARGET=$$BUILD/$$TARGET; \ 239 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 240 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ 241 echo "cd $$TARGET" >> $(ALL_SCRIPT); \ 242 echo -n "run_many" >> $(ALL_SCRIPT); \ 243 echo -n "Emit Tests for $$TARGET\n"; \ 244 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ 245 echo "" >> $(ALL_SCRIPT); \ 246 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ 247 done; 248 249 chmod u+x $(ALL_SCRIPT) 250else 251 $(error Error: set INSTALL_PATH to use install) 252endif 253 254FORMAT ?= .gz 255TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 256gen_tar: install 257 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 258 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 259 @echo "Created ${TAR_PATH}" 260 261clean: 262 @for TARGET in $(TARGETS); do \ 263 BUILD_TARGET=$$BUILD/$$TARGET; \ 264 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 265 done; 266 267.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 268