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