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 += drivers/net/bonding 16TARGETS += efivarfs 17TARGETS += exec 18TARGETS += filesystems 19TARGETS += filesystems/binderfs 20TARGETS += filesystems/epoll 21TARGETS += filesystems/fat 22TARGETS += firmware 23TARGETS += fpu 24TARGETS += ftrace 25TARGETS += futex 26TARGETS += gpio 27TARGETS += intel_pstate 28TARGETS += ipc 29TARGETS += ir 30TARGETS += kcmp 31TARGETS += kexec 32TARGETS += kvm 33TARGETS += landlock 34TARGETS += lib 35TARGETS += livepatch 36TARGETS += lkdtm 37TARGETS += membarrier 38TARGETS += memfd 39TARGETS += memory-hotplug 40TARGETS += mincore 41TARGETS += mount 42TARGETS += mount_setattr 43TARGETS += move_mount_set_group 44TARGETS += mqueue 45TARGETS += nci 46TARGETS += net 47TARGETS += net/af_unix 48TARGETS += net/forwarding 49TARGETS += net/mptcp 50TARGETS += netfilter 51TARGETS += nsfs 52TARGETS += pidfd 53TARGETS += pid_namespace 54TARGETS += powerpc 55TARGETS += proc 56TARGETS += pstore 57TARGETS += ptrace 58TARGETS += openat2 59TARGETS += resctrl 60TARGETS += rlimits 61TARGETS += rseq 62TARGETS += rtc 63TARGETS += seccomp 64TARGETS += sgx 65TARGETS += sigaltstack 66TARGETS += size 67TARGETS += sparc64 68TARGETS += splice 69TARGETS += static_keys 70TARGETS += sync 71TARGETS += syscall_user_dispatch 72TARGETS += sysctl 73TARGETS += tc-testing 74TARGETS += timens 75ifneq (1, $(quicktest)) 76TARGETS += timers 77endif 78TARGETS += tmpfs 79TARGETS += tpm2 80TARGETS += user 81TARGETS += vDSO 82TARGETS += vm 83TARGETS += x86 84TARGETS += zram 85#Please keep the TARGETS list alphabetically sorted 86# Run "make quicktest=1 run_tests" or 87# "make quicktest=1 kselftest" from top level Makefile 88 89TARGETS_HOTPLUG = cpu-hotplug 90TARGETS_HOTPLUG += memory-hotplug 91 92# User can optionally provide a TARGETS skiplist. By default we skip 93# BPF since it has cutting edge build time dependencies which require 94# more effort to install. 95SKIP_TARGETS ?= bpf 96ifneq ($(SKIP_TARGETS),) 97 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 98 override TARGETS := $(TMP) 99endif 100 101# User can set FORCE_TARGETS to 1 to require all targets to be successfully 102# built; make will fail if any of the targets cannot be built. If 103# FORCE_TARGETS is not set (the default), make will succeed if at least one 104# of the targets gets built. 105FORCE_TARGETS ?= 106 107# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 108# implicit rules to sub-test Makefiles which avoids build failures in test 109# Makefile that don't have explicit build rules. 110ifeq (,$(LINK.c)) 111override LDFLAGS = 112override MAKEFLAGS = 113endif 114 115# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 116# KBUILD_OUTPUT with selftest objects and headers installed 117# by selftests Makefile or lib.mk. 118ifdef building_out_of_srctree 119override LDFLAGS = 120endif 121 122top_srcdir ?= ../../.. 123 124ifeq ("$(origin O)", "command line") 125 KBUILD_OUTPUT := $(O) 126endif 127 128ifneq ($(KBUILD_OUTPUT),) 129 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot 130 # expand a shell special character '~'. We use a somewhat tedious way here. 131 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) 132 $(if $(abs_objtree),, \ 133 $(error failed to create output directory "$(KBUILD_OUTPUT)")) 134 # $(realpath ...) resolves symlinks 135 abs_objtree := $(realpath $(abs_objtree)) 136 BUILD := $(abs_objtree)/kselftest 137 KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include 138else 139 BUILD := $(CURDIR) 140 abs_srctree := $(shell cd $(top_srcdir) && pwd) 141 KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include 142 DEFAULT_INSTALL_HDR_PATH := 1 143endif 144 145# Prepare for headers install 146include $(top_srcdir)/scripts/subarch.include 147ARCH ?= $(SUBARCH) 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 155all: 156 @ret=1; \ 157 for TARGET in $(TARGETS); do \ 158 BUILD_TARGET=$$BUILD/$$TARGET; \ 159 mkdir $$BUILD_TARGET -p; \ 160 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 161 O=$(abs_objtree) \ 162 $(if $(FORCE_TARGETS),|| exit); \ 163 ret=$$((ret * $$?)); \ 164 done; exit $$ret; 165 166run_tests: all 167 @for TARGET in $(TARGETS); do \ 168 BUILD_TARGET=$$BUILD/$$TARGET; \ 169 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \ 170 O=$(abs_objtree); \ 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 206TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 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 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 216 rm -f $(TEST_LIST) 217 @ret=1; \ 218 for TARGET in $(TARGETS); do \ 219 BUILD_TARGET=$$BUILD/$$TARGET; \ 220 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 221 O=$(abs_objtree) \ 222 $(if $(FORCE_TARGETS),|| exit); \ 223 ret=$$((ret * $$?)); \ 224 done; exit $$ret; 225 226 227 @# Ask all targets to emit their test scripts 228 @# While building kselftest-list.text skip also non-existent TARGET dirs: 229 @# they could be the result of a build failure and should NOT be 230 @# included in the generated runlist. 231 for TARGET in $(TARGETS); do \ 232 BUILD_TARGET=$$BUILD/$$TARGET; \ 233 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 234 echo -ne "Emit Tests for $$TARGET\n"; \ 235 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \ 236 -C $$TARGET emit_tests >> $(TEST_LIST); \ 237 done; 238else 239 $(error Error: set INSTALL_PATH to use install) 240endif 241 242FORMAT ?= .gz 243TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 244gen_tar: install 245 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 246 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 247 @echo "Created ${TAR_PATH}" 248 249clean: 250 @for TARGET in $(TARGETS); do \ 251 BUILD_TARGET=$$BUILD/$$TARGET; \ 252 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 253 done; 254 255.PHONY: all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 256