1# SPDX-License-Identifier: GPL-2.0 2TARGETS = arm64 3TARGETS += bpf 4TARGETS += breakpoints 5TARGETS += capabilities 6TARGETS += cgroup 7TARGETS += clone3 8TARGETS += core 9TARGETS += cpufreq 10TARGETS += cpu-hotplug 11TARGETS += damon 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 += landlock 30TARGETS += lib 31TARGETS += livepatch 32TARGETS += lkdtm 33TARGETS += membarrier 34TARGETS += memfd 35TARGETS += memory-hotplug 36TARGETS += mincore 37TARGETS += mount 38TARGETS += mount_setattr 39TARGETS += move_mount_set_group 40TARGETS += mqueue 41TARGETS += nci 42TARGETS += net 43TARGETS += net/af_unix 44TARGETS += net/forwarding 45TARGETS += net/mptcp 46TARGETS += netfilter 47TARGETS += nsfs 48TARGETS += pidfd 49TARGETS += pid_namespace 50TARGETS += powerpc 51TARGETS += proc 52TARGETS += pstore 53TARGETS += ptrace 54TARGETS += openat2 55TARGETS += resctrl 56TARGETS += rlimits 57TARGETS += rseq 58TARGETS += rtc 59TARGETS += seccomp 60TARGETS += sgx 61TARGETS += sigaltstack 62TARGETS += size 63TARGETS += sparc64 64TARGETS += splice 65TARGETS += static_keys 66TARGETS += sync 67TARGETS += syscall_user_dispatch 68TARGETS += sysctl 69TARGETS += tc-testing 70TARGETS += timens 71ifneq (1, $(quicktest)) 72TARGETS += timers 73endif 74TARGETS += tmpfs 75TARGETS += tpm2 76TARGETS += user 77TARGETS += vDSO 78TARGETS += vm 79TARGETS += x86 80TARGETS += zram 81#Please keep the TARGETS list alphabetically sorted 82# Run "make quicktest=1 run_tests" or 83# "make quicktest=1 kselftest" from top level Makefile 84 85TARGETS_HOTPLUG = cpu-hotplug 86TARGETS_HOTPLUG += memory-hotplug 87 88# User can optionally provide a TARGETS skiplist. By default we skip 89# BPF since it has cutting edge build time dependencies which require 90# more effort to install. 91SKIP_TARGETS ?= bpf 92ifneq ($(SKIP_TARGETS),) 93 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 94 override TARGETS := $(TMP) 95endif 96 97# User can set FORCE_TARGETS to 1 to require all targets to be successfully 98# built; make will fail if any of the targets cannot be built. If 99# FORCE_TARGETS is not set (the default), make will succeed if at least one 100# of the targets gets built. 101FORCE_TARGETS ?= 102 103# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 104# implicit rules to sub-test Makefiles which avoids build failures in test 105# Makefile that don't have explicit build rules. 106ifeq (,$(LINK.c)) 107override LDFLAGS = 108override MAKEFLAGS = 109endif 110 111# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 112# KBUILD_OUTPUT with selftest objects and headers installed 113# by selftests Makefile or lib.mk. 114ifdef building_out_of_srctree 115override LDFLAGS = 116endif 117 118top_srcdir ?= ../../.. 119 120ifeq ("$(origin O)", "command line") 121 KBUILD_OUTPUT := $(O) 122endif 123 124ifneq ($(KBUILD_OUTPUT),) 125 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot 126 # expand a shell special character '~'. We use a somewhat tedious way here. 127 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) 128 $(if $(abs_objtree),, \ 129 $(error failed to create output directory "$(KBUILD_OUTPUT)")) 130 # $(realpath ...) resolves symlinks 131 abs_objtree := $(realpath $(abs_objtree)) 132 BUILD := $(abs_objtree)/kselftest 133else 134 BUILD := $(CURDIR) 135 DEFAULT_INSTALL_HDR_PATH := 1 136endif 137 138# Prepare for headers install 139include $(top_srcdir)/scripts/subarch.include 140ARCH ?= $(SUBARCH) 141export KSFT_KHDR_INSTALL_DONE := 1 142export BUILD 143 144# set default goal to all, so make without a target runs all, even when 145# all isn't the first target in the file. 146.DEFAULT_GOAL := all 147 148# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 149# is used to avoid running headers_install from lib.mk. 150# Invoke headers install with --no-builtin-rules to avoid circular 151# dependency in "make kselftest" case. In this case, second level 152# make inherits builtin-rules which will use the rule generate 153# Makefile.o and runs into 154# "Circular Makefile.o <- prepare dependency dropped." 155# and headers_install fails and test compile fails. 156# 157# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 158# invokes them as sub-makes and --no-builtin-rules is not necessary, 159# but doesn't cause any failures. Keep it simple and use the same 160# flags in both cases. 161# Local build cases: "make kselftest", "make -C" - headers are installed 162# in the default INSTALL_HDR_PATH usr/include. 163khdr: 164ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 165 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 166else 167 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 168 ARCH=$(ARCH) -C $(top_srcdir) headers_install 169endif 170 171all: khdr 172 @ret=1; \ 173 for TARGET in $(TARGETS); do \ 174 BUILD_TARGET=$$BUILD/$$TARGET; \ 175 mkdir $$BUILD_TARGET -p; \ 176 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 177 $(if $(FORCE_TARGETS),|| exit); \ 178 ret=$$((ret * $$?)); \ 179 done; exit $$ret; 180 181run_tests: all 182 @for TARGET in $(TARGETS); do \ 183 BUILD_TARGET=$$BUILD/$$TARGET; \ 184 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 185 done; 186 187hotplug: 188 @for TARGET in $(TARGETS_HOTPLUG); do \ 189 BUILD_TARGET=$$BUILD/$$TARGET; \ 190 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 191 done; 192 193run_hotplug: hotplug 194 @for TARGET in $(TARGETS_HOTPLUG); do \ 195 BUILD_TARGET=$$BUILD/$$TARGET; \ 196 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 197 done; 198 199clean_hotplug: 200 @for TARGET in $(TARGETS_HOTPLUG); do \ 201 BUILD_TARGET=$$BUILD/$$TARGET; \ 202 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 203 done; 204 205run_pstore_crash: 206 $(MAKE) -C pstore run_crash 207 208# Use $BUILD as the default install root. $BUILD points to the 209# right output location for the following cases: 210# 1. output_dir=kernel_src 211# 2. a separate output directory is specified using O= KBUILD_OUTPUT 212# 3. a separate output directory is specified using KBUILD_OUTPUT 213# Avoid conflict with INSTALL_PATH set by the main Makefile 214# 215KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 216KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 217# Avoid changing the rest of the logic here and lib.mk. 218INSTALL_PATH := $(KSFT_INSTALL_PATH) 219ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 220TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 221 222install: all 223ifdef INSTALL_PATH 224 @# Ask all targets to install their files 225 mkdir -p $(INSTALL_PATH)/kselftest 226 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 227 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 228 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 229 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 230 rm -f $(TEST_LIST) 231 @ret=1; \ 232 for TARGET in $(TARGETS); do \ 233 BUILD_TARGET=$$BUILD/$$TARGET; \ 234 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 235 $(if $(FORCE_TARGETS),|| exit); \ 236 ret=$$((ret * $$?)); \ 237 done; exit $$ret; 238 239 240 @# Ask all targets to emit their test scripts 241 @# While building kselftest-list.text skip also non-existent TARGET dirs: 242 @# they could be the result of a build failure and should NOT be 243 @# included in the generated runlist. 244 for TARGET in $(TARGETS); do \ 245 BUILD_TARGET=$$BUILD/$$TARGET; \ 246 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 247 echo -n "Emit Tests for $$TARGET\n"; \ 248 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \ 249 -C $$TARGET emit_tests >> $(TEST_LIST); \ 250 done; 251else 252 $(error Error: set INSTALL_PATH to use install) 253endif 254 255FORMAT ?= .gz 256TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 257gen_tar: install 258 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 259 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 260 @echo "Created ${TAR_PATH}" 261 262clean: 263 @for TARGET in $(TARGETS); do \ 264 BUILD_TARGET=$$BUILD/$$TARGET; \ 265 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 266 done; 267 268.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 269