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 += dt 22TARGETS += efivarfs 23TARGETS += exec 24TARGETS += fchmodat2 25TARGETS += filesystems 26TARGETS += filesystems/binderfs 27TARGETS += filesystems/epoll 28TARGETS += filesystems/fat 29TARGETS += firmware 30TARGETS += fpu 31TARGETS += ftrace 32TARGETS += futex 33TARGETS += gpio 34TARGETS += hid 35TARGETS += intel_pstate 36TARGETS += iommu 37TARGETS += ipc 38TARGETS += ir 39TARGETS += kcmp 40TARGETS += kexec 41TARGETS += kvm 42TARGETS += landlock 43TARGETS += lib 44TARGETS += livepatch 45TARGETS += lkdtm 46TARGETS += membarrier 47TARGETS += memfd 48TARGETS += memory-hotplug 49TARGETS += mincore 50TARGETS += mount 51TARGETS += mount_setattr 52TARGETS += move_mount_set_group 53TARGETS += mqueue 54TARGETS += nci 55TARGETS += net 56TARGETS += net/af_unix 57TARGETS += net/forwarding 58TARGETS += net/hsr 59TARGETS += net/mptcp 60TARGETS += net/openvswitch 61TARGETS += netfilter 62TARGETS += nsfs 63TARGETS += perf_events 64TARGETS += pidfd 65TARGETS += pid_namespace 66TARGETS += powerpc 67TARGETS += prctl 68TARGETS += proc 69TARGETS += pstore 70TARGETS += ptrace 71TARGETS += openat2 72TARGETS += resctrl 73TARGETS += riscv 74TARGETS += rlimits 75TARGETS += rseq 76TARGETS += rtc 77TARGETS += seccomp 78TARGETS += sgx 79TARGETS += sigaltstack 80TARGETS += size 81TARGETS += sparc64 82TARGETS += splice 83TARGETS += static_keys 84TARGETS += sync 85TARGETS += syscall_user_dispatch 86TARGETS += sysctl 87TARGETS += tc-testing 88TARGETS += tdx 89TARGETS += thermal/intel/power_floor 90TARGETS += thermal/intel/workload_hint 91TARGETS += timens 92ifneq (1, $(quicktest)) 93TARGETS += timers 94endif 95TARGETS += tmpfs 96TARGETS += tpm2 97TARGETS += tty 98TARGETS += uevent 99TARGETS += user 100TARGETS += user_events 101TARGETS += vDSO 102TARGETS += mm 103TARGETS += x86 104TARGETS += zram 105#Please keep the TARGETS list alphabetically sorted 106# Run "make quicktest=1 run_tests" or 107# "make quicktest=1 kselftest" from top level Makefile 108 109TARGETS_HOTPLUG = cpu-hotplug 110TARGETS_HOTPLUG += memory-hotplug 111 112# User can optionally provide a TARGETS skiplist. By default we skip 113# BPF since it has cutting edge build time dependencies which require 114# more effort to install. 115SKIP_TARGETS ?= bpf 116ifneq ($(SKIP_TARGETS),) 117 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 118 override TARGETS := $(TMP) 119endif 120 121# User can set FORCE_TARGETS to 1 to require all targets to be successfully 122# built; make will fail if any of the targets cannot be built. If 123# FORCE_TARGETS is not set (the default), make will succeed if at least one 124# of the targets gets built. 125FORCE_TARGETS ?= 126 127# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 128# implicit rules to sub-test Makefiles which avoids build failures in test 129# Makefile that don't have explicit build rules. 130ifeq (,$(LINK.c)) 131override LDFLAGS = 132override MAKEFLAGS = 133endif 134 135# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 136# KBUILD_OUTPUT with selftest objects and headers installed 137# by selftests Makefile or lib.mk. 138ifdef building_out_of_srctree 139override LDFLAGS = 140endif 141 142top_srcdir ?= ../../.. 143 144ifeq ("$(origin O)", "command line") 145 KBUILD_OUTPUT := $(O) 146endif 147 148ifneq ($(KBUILD_OUTPUT),) 149 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot 150 # expand a shell special character '~'. We use a somewhat tedious way here. 151 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) 152 $(if $(abs_objtree),, \ 153 $(error failed to create output directory "$(KBUILD_OUTPUT)")) 154 # $(realpath ...) resolves symlinks 155 abs_objtree := $(realpath $(abs_objtree)) 156 BUILD := $(abs_objtree)/kselftest 157 KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include 158 KHDR_DIR := ${abs_objtree}/usr/include 159else 160 BUILD := $(CURDIR) 161 abs_srctree := $(shell cd $(top_srcdir) && pwd) 162 KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include 163 KHDR_DIR := ${abs_srctree}/usr/include 164 DEFAULT_INSTALL_HDR_PATH := 1 165endif 166 167# Prepare for headers install 168include $(top_srcdir)/scripts/subarch.include 169ARCH ?= $(SUBARCH) 170export BUILD 171export KHDR_INCLUDES 172 173# set default goal to all, so make without a target runs all, even when 174# all isn't the first target in the file. 175.DEFAULT_GOAL := all 176 177all: kernel_header_files 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 188kernel_header_files: 189 @ls $(KHDR_DIR)/linux/*.h >/dev/null 2>/dev/null; \ 190 if [ $$? -ne 0 ]; then \ 191 RED='\033[1;31m'; \ 192 NOCOLOR='\033[0m'; \ 193 echo; \ 194 echo -e "$${RED}error$${NOCOLOR}: missing kernel header files."; \ 195 echo "Please run this and try again:"; \ 196 echo; \ 197 echo " cd $(top_srcdir)"; \ 198 echo " make headers"; \ 199 echo; \ 200 exit 1; \ 201 fi 202 203.PHONY: kernel_header_files 204 205run_tests: all 206 @for TARGET in $(TARGETS); do \ 207 BUILD_TARGET=$$BUILD/$$TARGET; \ 208 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \ 209 O=$(abs_objtree); \ 210 done; 211 212hotplug: 213 @for TARGET in $(TARGETS_HOTPLUG); do \ 214 BUILD_TARGET=$$BUILD/$$TARGET; \ 215 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 216 done; 217 218run_hotplug: hotplug 219 @for TARGET in $(TARGETS_HOTPLUG); do \ 220 BUILD_TARGET=$$BUILD/$$TARGET; \ 221 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 222 done; 223 224clean_hotplug: 225 @for TARGET in $(TARGETS_HOTPLUG); do \ 226 BUILD_TARGET=$$BUILD/$$TARGET; \ 227 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 228 done; 229 230run_pstore_crash: 231 $(MAKE) -C pstore run_crash 232 233# Use $BUILD as the default install root. $BUILD points to the 234# right output location for the following cases: 235# 1. output_dir=kernel_src 236# 2. a separate output directory is specified using O= KBUILD_OUTPUT 237# 3. a separate output directory is specified using KBUILD_OUTPUT 238# Avoid conflict with INSTALL_PATH set by the main Makefile 239# 240KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 241KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 242# Avoid changing the rest of the logic here and lib.mk. 243INSTALL_PATH := $(KSFT_INSTALL_PATH) 244ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 245TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 246 247install: all 248ifdef INSTALL_PATH 249 @# Ask all targets to install their files 250 mkdir -p $(INSTALL_PATH)/kselftest 251 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 252 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 253 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 254 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 255 rm -f $(TEST_LIST) 256 @ret=1; \ 257 for TARGET in $(TARGETS); do \ 258 BUILD_TARGET=$$BUILD/$$TARGET; \ 259 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 260 O=$(abs_objtree) \ 261 $(if $(FORCE_TARGETS),|| exit); \ 262 ret=$$((ret * $$?)); \ 263 done; exit $$ret; 264 265 266 @# Ask all targets to emit their test scripts 267 @# While building kselftest-list.text skip also non-existent TARGET dirs: 268 @# they could be the result of a build failure and should NOT be 269 @# included in the generated runlist. 270 for TARGET in $(TARGETS); do \ 271 BUILD_TARGET=$$BUILD/$$TARGET; \ 272 [ ! -d $(INSTALL_PATH)/$$TARGET ] && printf "Skipping non-existent dir: $$TARGET\n" && continue; \ 273 printf "Emit Tests for $$TARGET\n"; \ 274 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \ 275 -C $$TARGET emit_tests >> $(TEST_LIST); \ 276 done; 277else 278 $(error Error: set INSTALL_PATH to use install) 279endif 280 281FORMAT ?= .gz 282TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 283gen_tar: install 284 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 285 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 286 @echo "Created ${TAR_PATH}" 287 288clean: 289 @for TARGET in $(TARGETS); do \ 290 BUILD_TARGET=$$BUILD/$$TARGET; \ 291 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 292 done; 293 294.PHONY: all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 295