1# SPDX-License-Identifier: GPL-2.0 2TARGETS += alsa 3TARGETS += arm64 4TARGETS += bpf 5TARGETS += breakpoints 6TARGETS += capabilities 7TARGETS += cgroup 8TARGETS += clone3 9TARGETS += core 10TARGETS += cpufreq 11TARGETS += cpu-hotplug 12TARGETS += damon 13TARGETS += drivers/dma-buf 14TARGETS += drivers/s390x/uvdevice 15TARGETS += efivarfs 16TARGETS += exec 17TARGETS += filesystems 18TARGETS += filesystems/binderfs 19TARGETS += filesystems/epoll 20TARGETS += filesystems/fat 21TARGETS += firmware 22TARGETS += fpu 23TARGETS += ftrace 24TARGETS += futex 25TARGETS += gpio 26TARGETS += intel_pstate 27TARGETS += ipc 28TARGETS += ir 29TARGETS += kcmp 30TARGETS += kexec 31TARGETS += kvm 32TARGETS += landlock 33TARGETS += lib 34TARGETS += livepatch 35TARGETS += lkdtm 36TARGETS += membarrier 37TARGETS += memfd 38TARGETS += memory-hotplug 39TARGETS += mincore 40TARGETS += mount 41TARGETS += mount_setattr 42TARGETS += move_mount_set_group 43TARGETS += mqueue 44TARGETS += nci 45TARGETS += net 46TARGETS += net/af_unix 47TARGETS += net/forwarding 48TARGETS += net/mptcp 49TARGETS += netfilter 50TARGETS += nsfs 51TARGETS += pidfd 52TARGETS += pid_namespace 53TARGETS += powerpc 54TARGETS += proc 55TARGETS += pstore 56TARGETS += ptrace 57TARGETS += openat2 58TARGETS += resctrl 59TARGETS += rlimits 60TARGETS += rseq 61TARGETS += rtc 62TARGETS += seccomp 63TARGETS += sgx 64TARGETS += sigaltstack 65TARGETS += size 66TARGETS += sparc64 67TARGETS += splice 68TARGETS += static_keys 69TARGETS += sync 70TARGETS += syscall_user_dispatch 71TARGETS += sysctl 72TARGETS += tc-testing 73TARGETS += timens 74ifneq (1, $(quicktest)) 75TARGETS += timers 76endif 77TARGETS += tmpfs 78TARGETS += tpm2 79TARGETS += user 80TARGETS += vDSO 81TARGETS += vm 82TARGETS += x86 83TARGETS += zram 84#Please keep the TARGETS list alphabetically sorted 85# Run "make quicktest=1 run_tests" or 86# "make quicktest=1 kselftest" from top level Makefile 87 88TARGETS_HOTPLUG = cpu-hotplug 89TARGETS_HOTPLUG += memory-hotplug 90 91# User can optionally provide a TARGETS skiplist. By default we skip 92# BPF since it has cutting edge build time dependencies which require 93# more effort to install. 94SKIP_TARGETS ?= bpf 95ifneq ($(SKIP_TARGETS),) 96 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 97 override TARGETS := $(TMP) 98endif 99 100# User can set FORCE_TARGETS to 1 to require all targets to be successfully 101# built; make will fail if any of the targets cannot be built. If 102# FORCE_TARGETS is not set (the default), make will succeed if at least one 103# of the targets gets built. 104FORCE_TARGETS ?= 105 106# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 107# implicit rules to sub-test Makefiles which avoids build failures in test 108# Makefile that don't have explicit build rules. 109ifeq (,$(LINK.c)) 110override LDFLAGS = 111override MAKEFLAGS = 112endif 113 114# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 115# KBUILD_OUTPUT with selftest objects and headers installed 116# by selftests Makefile or lib.mk. 117ifdef building_out_of_srctree 118override LDFLAGS = 119endif 120 121top_srcdir ?= ../../.. 122 123ifeq ("$(origin O)", "command line") 124 KBUILD_OUTPUT := $(O) 125endif 126 127ifneq ($(KBUILD_OUTPUT),) 128 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot 129 # expand a shell special character '~'. We use a somewhat tedious way here. 130 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) 131 $(if $(abs_objtree),, \ 132 $(error failed to create output directory "$(KBUILD_OUTPUT)")) 133 # $(realpath ...) resolves symlinks 134 abs_objtree := $(realpath $(abs_objtree)) 135 BUILD := $(abs_objtree)/kselftest 136 KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include 137else 138 BUILD := $(CURDIR) 139 abs_srctree := $(shell cd $(top_srcdir) && pwd) 140 KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include 141 DEFAULT_INSTALL_HDR_PATH := 1 142endif 143 144# Prepare for headers install 145include $(top_srcdir)/scripts/subarch.include 146ARCH ?= $(SUBARCH) 147export KSFT_KHDR_INSTALL_DONE := 1 148export BUILD 149export KHDR_INCLUDES 150 151# set default goal to all, so make without a target runs all, even when 152# all isn't the first target in the file. 153.DEFAULT_GOAL := all 154 155# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 156# is used to avoid running headers_install from lib.mk. 157# Invoke headers install with --no-builtin-rules to avoid circular 158# dependency in "make kselftest" case. In this case, second level 159# make inherits builtin-rules which will use the rule generate 160# Makefile.o and runs into 161# "Circular Makefile.o <- prepare dependency dropped." 162# and headers_install fails and test compile fails. 163# 164# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 165# invokes them as sub-makes and --no-builtin-rules is not necessary, 166# but doesn't cause any failures. Keep it simple and use the same 167# flags in both cases. 168# Local build cases: "make kselftest", "make -C" - headers are installed 169# in the default INSTALL_HDR_PATH usr/include. 170khdr: 171ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 172 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 173else 174 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$(abs_objtree)/usr \ 175 ARCH=$(ARCH) -C $(top_srcdir) headers_install 176endif 177 178all: khdr 179 @ret=1; \ 180 for TARGET in $(TARGETS); do \ 181 BUILD_TARGET=$$BUILD/$$TARGET; \ 182 mkdir $$BUILD_TARGET -p; \ 183 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 184 O=$(abs_objtree) \ 185 $(if $(FORCE_TARGETS),|| exit); \ 186 ret=$$((ret * $$?)); \ 187 done; exit $$ret; 188 189run_tests: all 190 @for TARGET in $(TARGETS); do \ 191 BUILD_TARGET=$$BUILD/$$TARGET; \ 192 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \ 193 O=$(abs_objtree); \ 194 done; 195 196hotplug: 197 @for TARGET in $(TARGETS_HOTPLUG); do \ 198 BUILD_TARGET=$$BUILD/$$TARGET; \ 199 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 200 done; 201 202run_hotplug: hotplug 203 @for TARGET in $(TARGETS_HOTPLUG); do \ 204 BUILD_TARGET=$$BUILD/$$TARGET; \ 205 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 206 done; 207 208clean_hotplug: 209 @for TARGET in $(TARGETS_HOTPLUG); do \ 210 BUILD_TARGET=$$BUILD/$$TARGET; \ 211 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 212 done; 213 214run_pstore_crash: 215 $(MAKE) -C pstore run_crash 216 217# Use $BUILD as the default install root. $BUILD points to the 218# right output location for the following cases: 219# 1. output_dir=kernel_src 220# 2. a separate output directory is specified using O= KBUILD_OUTPUT 221# 3. a separate output directory is specified using KBUILD_OUTPUT 222# Avoid conflict with INSTALL_PATH set by the main Makefile 223# 224KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 225KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 226# Avoid changing the rest of the logic here and lib.mk. 227INSTALL_PATH := $(KSFT_INSTALL_PATH) 228ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 229TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 230 231install: all 232ifdef INSTALL_PATH 233 @# Ask all targets to install their files 234 mkdir -p $(INSTALL_PATH)/kselftest 235 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 236 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 237 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 238 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 239 rm -f $(TEST_LIST) 240 @ret=1; \ 241 for TARGET in $(TARGETS); do \ 242 BUILD_TARGET=$$BUILD/$$TARGET; \ 243 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 244 O=$(abs_objtree) \ 245 $(if $(FORCE_TARGETS),|| exit); \ 246 ret=$$((ret * $$?)); \ 247 done; exit $$ret; 248 249 250 @# Ask all targets to emit their test scripts 251 @# While building kselftest-list.text skip also non-existent TARGET dirs: 252 @# they could be the result of a build failure and should NOT be 253 @# included in the generated runlist. 254 for TARGET in $(TARGETS); do \ 255 BUILD_TARGET=$$BUILD/$$TARGET; \ 256 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 257 echo -n "Emit Tests for $$TARGET\n"; \ 258 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \ 259 -C $$TARGET emit_tests >> $(TEST_LIST); \ 260 done; 261else 262 $(error Error: set INSTALL_PATH to use install) 263endif 264 265FORMAT ?= .gz 266TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 267gen_tar: install 268 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 269 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 270 @echo "Created ${TAR_PATH}" 271 272clean: 273 @for TARGET in $(TARGETS); do \ 274 BUILD_TARGET=$$BUILD/$$TARGET; \ 275 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 276 done; 277 278.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 279