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