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