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