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