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