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