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