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