1# SPDX-License-Identifier: GPL-2.0 2TARGETS = android 3TARGETS += arm64 4TARGETS += bpf 5TARGETS += breakpoints 6TARGETS += capabilities 7TARGETS += cgroup 8TARGETS += clone3 9TARGETS += cpufreq 10TARGETS += cpu-hotplug 11TARGETS += drivers/dma-buf 12TARGETS += efivarfs 13TARGETS += exec 14TARGETS += filesystems 15TARGETS += filesystems/binderfs 16TARGETS += filesystems/epoll 17TARGETS += firmware 18TARGETS += ftrace 19TARGETS += futex 20TARGETS += gpio 21TARGETS += intel_pstate 22TARGETS += ipc 23TARGETS += ir 24TARGETS += kcmp 25TARGETS += kexec 26TARGETS += kvm 27TARGETS += lib 28TARGETS += livepatch 29TARGETS += lkdtm 30TARGETS += membarrier 31TARGETS += memfd 32TARGETS += memory-hotplug 33TARGETS += mount 34TARGETS += mqueue 35TARGETS += net 36TARGETS += net/forwarding 37TARGETS += net/mptcp 38TARGETS += netfilter 39TARGETS += nsfs 40TARGETS += pidfd 41TARGETS += pid_namespace 42TARGETS += powerpc 43TARGETS += proc 44TARGETS += pstore 45TARGETS += ptrace 46TARGETS += openat2 47TARGETS += rseq 48TARGETS += rtc 49TARGETS += seccomp 50TARGETS += sigaltstack 51TARGETS += size 52TARGETS += sparc64 53TARGETS += splice 54TARGETS += static_keys 55TARGETS += sync 56TARGETS += sysctl 57TARGETS += timens 58ifneq (1, $(quicktest)) 59TARGETS += timers 60endif 61TARGETS += tmpfs 62TARGETS += tpm2 63TARGETS += user 64TARGETS += vm 65TARGETS += x86 66TARGETS += zram 67#Please keep the TARGETS list alphabetically sorted 68# Run "make quicktest=1 run_tests" or 69# "make quicktest=1 kselftest" from top level Makefile 70 71TARGETS_HOTPLUG = cpu-hotplug 72TARGETS_HOTPLUG += memory-hotplug 73 74# User can optionally provide a TARGETS skiplist. 75SKIP_TARGETS ?= 76ifneq ($(SKIP_TARGETS),) 77 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 78 override TARGETS := $(TMP) 79endif 80 81# User can set FORCE_TARGETS to 1 to require all targets to be successfully 82# built; make will fail if any of the targets cannot be built. If 83# FORCE_TARGETS is not set (the default), make will succeed if at least one 84# of the targets gets built. 85FORCE_TARGETS ?= 86 87# Clear LDFLAGS and MAKEFLAGS if called from main 88# Makefile to avoid test build failures when test 89# Makefile doesn't have explicit build rules. 90ifeq (1,$(MAKELEVEL)) 91override LDFLAGS = 92override MAKEFLAGS = 93endif 94 95# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 96# KBUILD_OUTPUT with selftest objects and headers installed 97# by selftests Makefile or lib.mk. 98ifdef building_out_of_srctree 99override LDFLAGS = 100endif 101 102ifneq ($(O),) 103 BUILD := $(O)/kselftest 104else 105 ifneq ($(KBUILD_OUTPUT),) 106 BUILD := $(KBUILD_OUTPUT)/kselftest 107 else 108 BUILD := $(shell pwd) 109 DEFAULT_INSTALL_HDR_PATH := 1 110 endif 111endif 112 113# Prepare for headers install 114top_srcdir ?= ../../.. 115include $(top_srcdir)/scripts/subarch.include 116ARCH ?= $(SUBARCH) 117export KSFT_KHDR_INSTALL_DONE := 1 118export BUILD 119 120# build and run gpio when output directory is the src dir. 121# gpio has dependency on tools/gpio and builds tools/gpio 122# objects in the src directory in all cases making the src 123# repo dirty even when objects are relocated. 124ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 125 TMP := $(filter-out gpio, $(TARGETS)) 126 TARGETS := $(TMP) 127endif 128 129# set default goal to all, so make without a target runs all, even when 130# all isn't the first target in the file. 131.DEFAULT_GOAL := all 132 133# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 134# is used to avoid running headers_install from lib.mk. 135# Invoke headers install with --no-builtin-rules to avoid circular 136# dependency in "make kselftest" case. In this case, second level 137# make inherits builtin-rules which will use the rule generate 138# Makefile.o and runs into 139# "Circular Makefile.o <- prepare dependency dropped." 140# and headers_install fails and test compile fails. 141# 142# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 143# invokes them as sub-makes and --no-builtin-rules is not necessary, 144# but doesn't cause any failures. Keep it simple and use the same 145# flags in both cases. 146# Local build cases: "make kselftest", "make -C" - headers are installed 147# in the default INSTALL_HDR_PATH usr/include. 148khdr: 149ifeq (1,$(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 $$TARGET clean;\ 188 done; 189 190run_pstore_crash: 191 $(MAKE) -C pstore run_crash 192 193# Use $BUILD as the default install root. $BUILD points to the 194# right output location for the following cases: 195# 1. output_dir=kernel_src 196# 2. a separate output directory is specified using O= KBUILD_OUTPUT 197# 3. a separate output directory is specified using KBUILD_OUTPUT 198# Avoid conflict with INSTALL_PATH set by the main Makefile 199# 200KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 201KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 202# Avoid changing the rest of the logic here and lib.mk. 203INSTALL_PATH := $(KSFT_INSTALL_PATH) 204ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 205 206install: all 207ifdef INSTALL_PATH 208 @# Ask all targets to install their files 209 mkdir -p $(INSTALL_PATH)/kselftest 210 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 211 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 212 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 213 @ret=1; \ 214 for TARGET in $(TARGETS); do \ 215 BUILD_TARGET=$$BUILD/$$TARGET; \ 216 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 217 $(if $(FORCE_TARGETS),|| exit); \ 218 ret=$$((ret * $$?)); \ 219 done; exit $$ret; 220 221 @# Ask all targets to emit their test scripts 222 echo "#!/bin/sh" > $(ALL_SCRIPT) 223 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) 224 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) 225 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) 226 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) 227 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) 228 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) 229 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) 230 echo "fi" >> $(ALL_SCRIPT) 231 232 @# While building run_kselftest.sh skip also non-existent TARGET dirs: 233 @# they could be the result of a build failure and should NOT be 234 @# included in the generated runlist. 235 for TARGET in $(TARGETS); do \ 236 BUILD_TARGET=$$BUILD/$$TARGET; \ 237 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 238 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ 239 echo "cd $$TARGET" >> $(ALL_SCRIPT); \ 240 echo -n "run_many" >> $(ALL_SCRIPT); \ 241 echo -n "Emit Tests for $$TARGET\n"; \ 242 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ 243 echo "" >> $(ALL_SCRIPT); \ 244 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ 245 done; 246 247 chmod u+x $(ALL_SCRIPT) 248else 249 $(error Error: set INSTALL_PATH to use install) 250endif 251 252FORMAT ?= .gz 253TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 254gen_tar: install 255 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 256 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 257 @echo "Created ${TAR_PATH}" 258 259clean: 260 @for TARGET in $(TARGETS); do \ 261 BUILD_TARGET=$$BUILD/$$TARGET; \ 262 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 263 done; 264 265.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 266