1# SPDX-License-Identifier: GPL-2.0 2TARGETS += alsa 3TARGETS += amd-pstate 4TARGETS += arm64 5TARGETS += bpf 6TARGETS += breakpoints 7TARGETS += cachestat 8TARGETS += capabilities 9TARGETS += cgroup 10TARGETS += clone3 11TARGETS += connector 12TARGETS += core 13TARGETS += cpufreq 14TARGETS += cpu-hotplug 15TARGETS += damon 16TARGETS += dmabuf-heaps 17TARGETS += drivers/dma-buf 18TARGETS += drivers/s390x/uvdevice 19TARGETS += drivers/net/bonding 20TARGETS += drivers/net/team 21TARGETS += efivarfs 22TARGETS += exec 23TARGETS += fchmodat2 24TARGETS += filesystems 25TARGETS += filesystems/binderfs 26TARGETS += filesystems/epoll 27TARGETS += filesystems/fat 28TARGETS += firmware 29TARGETS += fpu 30TARGETS += ftrace 31TARGETS += futex 32TARGETS += gpio 33TARGETS += hid 34TARGETS += intel_pstate 35TARGETS += iommu 36TARGETS += ipc 37TARGETS += ir 38TARGETS += kcmp 39TARGETS += kexec 40TARGETS += kvm 41TARGETS += landlock 42TARGETS += lib 43TARGETS += livepatch 44TARGETS += lkdtm 45TARGETS += membarrier 46TARGETS += memfd 47TARGETS += memory-hotplug 48TARGETS += mincore 49TARGETS += mount 50TARGETS += mount_setattr 51TARGETS += move_mount_set_group 52TARGETS += mqueue 53TARGETS += nci 54TARGETS += net 55TARGETS += net/af_unix 56TARGETS += net/forwarding 57TARGETS += net/hsr 58TARGETS += net/mptcp 59TARGETS += net/openvswitch 60TARGETS += netfilter 61TARGETS += nsfs 62TARGETS += perf_events 63TARGETS += pidfd 64TARGETS += pid_namespace 65TARGETS += powerpc 66TARGETS += prctl 67TARGETS += proc 68TARGETS += pstore 69TARGETS += ptrace 70TARGETS += openat2 71TARGETS += resctrl 72TARGETS += riscv 73TARGETS += rlimits 74TARGETS += rseq 75TARGETS += rtc 76TARGETS += seccomp 77TARGETS += sgx 78TARGETS += sigaltstack 79TARGETS += size 80TARGETS += sparc64 81TARGETS += splice 82TARGETS += static_keys 83TARGETS += sync 84TARGETS += syscall_user_dispatch 85TARGETS += sysctl 86TARGETS += tc-testing 87TARGETS += tdx 88TARGETS += timens 89ifneq (1, $(quicktest)) 90TARGETS += timers 91endif 92TARGETS += tmpfs 93TARGETS += tpm2 94TARGETS += tty 95TARGETS += uevents 96TARGETS += user 97TARGETS += user_events 98TARGETS += vDSO 99TARGETS += mm 100TARGETS += x86 101TARGETS += zram 102#Please keep the TARGETS list alphabetically sorted 103# Run "make quicktest=1 run_tests" or 104# "make quicktest=1 kselftest" from top level Makefile 105 106TARGETS_HOTPLUG = cpu-hotplug 107TARGETS_HOTPLUG += memory-hotplug 108 109# User can optionally provide a TARGETS skiplist. By default we skip 110# BPF since it has cutting edge build time dependencies which require 111# more effort to install. 112SKIP_TARGETS ?= bpf 113ifneq ($(SKIP_TARGETS),) 114 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 115 override TARGETS := $(TMP) 116endif 117 118# User can set FORCE_TARGETS to 1 to require all targets to be successfully 119# built; make will fail if any of the targets cannot be built. If 120# FORCE_TARGETS is not set (the default), make will succeed if at least one 121# of the targets gets built. 122FORCE_TARGETS ?= 123 124# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 125# implicit rules to sub-test Makefiles which avoids build failures in test 126# Makefile that don't have explicit build rules. 127ifeq (,$(LINK.c)) 128override LDFLAGS = 129override MAKEFLAGS = 130endif 131 132# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 133# KBUILD_OUTPUT with selftest objects and headers installed 134# by selftests Makefile or lib.mk. 135ifdef building_out_of_srctree 136override LDFLAGS = 137endif 138 139top_srcdir ?= ../../.. 140 141ifeq ("$(origin O)", "command line") 142 KBUILD_OUTPUT := $(O) 143endif 144 145ifneq ($(KBUILD_OUTPUT),) 146 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot 147 # expand a shell special character '~'. We use a somewhat tedious way here. 148 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) 149 $(if $(abs_objtree),, \ 150 $(error failed to create output directory "$(KBUILD_OUTPUT)")) 151 # $(realpath ...) resolves symlinks 152 abs_objtree := $(realpath $(abs_objtree)) 153 BUILD := $(abs_objtree)/kselftest 154 KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include 155 KHDR_DIR := ${abs_objtree}/usr/include 156else 157 BUILD := $(CURDIR) 158 abs_srctree := $(shell cd $(top_srcdir) && pwd) 159 KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include 160 KHDR_DIR := ${abs_srctree}/usr/include 161 DEFAULT_INSTALL_HDR_PATH := 1 162endif 163 164# Prepare for headers install 165include $(top_srcdir)/scripts/subarch.include 166ARCH ?= $(SUBARCH) 167export BUILD 168export KHDR_INCLUDES 169 170# set default goal to all, so make without a target runs all, even when 171# all isn't the first target in the file. 172.DEFAULT_GOAL := all 173 174all: kernel_header_files 175 @ret=1; \ 176 for TARGET in $(TARGETS); do \ 177 BUILD_TARGET=$$BUILD/$$TARGET; \ 178 mkdir $$BUILD_TARGET -p; \ 179 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 180 O=$(abs_objtree) \ 181 $(if $(FORCE_TARGETS),|| exit); \ 182 ret=$$((ret * $$?)); \ 183 done; exit $$ret; 184 185kernel_header_files: 186 @ls $(KHDR_DIR)/linux/*.h >/dev/null 2>/dev/null; \ 187 if [ $$? -ne 0 ]; then \ 188 RED='\033[1;31m'; \ 189 NOCOLOR='\033[0m'; \ 190 echo; \ 191 echo -e "$${RED}error$${NOCOLOR}: missing kernel header files."; \ 192 echo "Please run this and try again:"; \ 193 echo; \ 194 echo " cd $(top_srcdir)"; \ 195 echo " make headers"; \ 196 echo; \ 197 exit 1; \ 198 fi 199 200.PHONY: kernel_header_files 201 202run_tests: all 203 @for TARGET in $(TARGETS); do \ 204 BUILD_TARGET=$$BUILD/$$TARGET; \ 205 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \ 206 O=$(abs_objtree); \ 207 done; 208 209hotplug: 210 @for TARGET in $(TARGETS_HOTPLUG); do \ 211 BUILD_TARGET=$$BUILD/$$TARGET; \ 212 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 213 done; 214 215run_hotplug: hotplug 216 @for TARGET in $(TARGETS_HOTPLUG); do \ 217 BUILD_TARGET=$$BUILD/$$TARGET; \ 218 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 219 done; 220 221clean_hotplug: 222 @for TARGET in $(TARGETS_HOTPLUG); do \ 223 BUILD_TARGET=$$BUILD/$$TARGET; \ 224 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 225 done; 226 227run_pstore_crash: 228 $(MAKE) -C pstore run_crash 229 230# Use $BUILD as the default install root. $BUILD points to the 231# right output location for the following cases: 232# 1. output_dir=kernel_src 233# 2. a separate output directory is specified using O= KBUILD_OUTPUT 234# 3. a separate output directory is specified using KBUILD_OUTPUT 235# Avoid conflict with INSTALL_PATH set by the main Makefile 236# 237KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 238KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 239# Avoid changing the rest of the logic here and lib.mk. 240INSTALL_PATH := $(KSFT_INSTALL_PATH) 241ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 242TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 243 244install: all 245ifdef INSTALL_PATH 246 @# Ask all targets to install their files 247 mkdir -p $(INSTALL_PATH)/kselftest 248 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 249 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 250 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 251 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 252 rm -f $(TEST_LIST) 253 @ret=1; \ 254 for TARGET in $(TARGETS); do \ 255 BUILD_TARGET=$$BUILD/$$TARGET; \ 256 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 257 O=$(abs_objtree) \ 258 $(if $(FORCE_TARGETS),|| exit); \ 259 ret=$$((ret * $$?)); \ 260 done; exit $$ret; 261 262 263 @# Ask all targets to emit their test scripts 264 @# While building kselftest-list.text skip also non-existent TARGET dirs: 265 @# they could be the result of a build failure and should NOT be 266 @# included in the generated runlist. 267 for TARGET in $(TARGETS); do \ 268 BUILD_TARGET=$$BUILD/$$TARGET; \ 269 [ ! -d $(INSTALL_PATH)/$$TARGET ] && printf "Skipping non-existent dir: $$TARGET\n" && continue; \ 270 printf "Emit Tests for $$TARGET\n"; \ 271 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \ 272 -C $$TARGET emit_tests >> $(TEST_LIST); \ 273 done; 274else 275 $(error Error: set INSTALL_PATH to use install) 276endif 277 278FORMAT ?= .gz 279TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 280gen_tar: install 281 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 282 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 283 @echo "Created ${TAR_PATH}" 284 285clean: 286 @for TARGET in $(TARGETS); do \ 287 BUILD_TARGET=$$BUILD/$$TARGET; \ 288 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 289 done; 290 291.PHONY: all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 292