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