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