1# SPDX-License-Identifier: GPL-2.0 2TARGETS = android 3TARGETS += arm64 4TARGETS += bpf 5TARGETS += breakpoints 6TARGETS += capabilities 7TARGETS += cgroup 8TARGETS += clone3 9TARGETS += core 10TARGETS += cpufreq 11TARGETS += cpu-hotplug 12TARGETS += drivers/dma-buf 13TARGETS += efivarfs 14TARGETS += exec 15TARGETS += filesystems 16TARGETS += filesystems/binderfs 17TARGETS += filesystems/epoll 18TARGETS += firmware 19TARGETS += fpu 20TARGETS += ftrace 21TARGETS += futex 22TARGETS += gpio 23TARGETS += intel_pstate 24TARGETS += ipc 25TARGETS += ir 26TARGETS += kcmp 27TARGETS += kexec 28TARGETS += kvm 29TARGETS += lib 30TARGETS += livepatch 31TARGETS += lkdtm 32TARGETS += membarrier 33TARGETS += memfd 34TARGETS += memory-hotplug 35TARGETS += mincore 36TARGETS += mount 37TARGETS += mqueue 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 += sigaltstack 54TARGETS += size 55TARGETS += sparc64 56TARGETS += splice 57TARGETS += static_keys 58TARGETS += sync 59TARGETS += sysctl 60TARGETS += tc-testing 61TARGETS += timens 62ifneq (1, $(quicktest)) 63TARGETS += timers 64endif 65TARGETS += tmpfs 66TARGETS += tpm2 67TARGETS += user 68TARGETS += vm 69TARGETS += x86 70TARGETS += zram 71#Please keep the TARGETS list alphabetically sorted 72# Run "make quicktest=1 run_tests" or 73# "make quicktest=1 kselftest" from top level Makefile 74 75TARGETS_HOTPLUG = cpu-hotplug 76TARGETS_HOTPLUG += memory-hotplug 77 78# User can optionally provide a TARGETS skiplist. 79SKIP_TARGETS ?= 80ifneq ($(SKIP_TARGETS),) 81 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 82 override TARGETS := $(TMP) 83endif 84 85# User can set FORCE_TARGETS to 1 to require all targets to be successfully 86# built; make will fail if any of the targets cannot be built. If 87# FORCE_TARGETS is not set (the default), make will succeed if at least one 88# of the targets gets built. 89FORCE_TARGETS ?= 90 91# Clear LDFLAGS and MAKEFLAGS if called from main 92# Makefile to avoid test build failures when test 93# Makefile doesn't have explicit build rules. 94ifeq (1,$(MAKELEVEL)) 95override LDFLAGS = 96override MAKEFLAGS = 97endif 98 99# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 100# KBUILD_OUTPUT with selftest objects and headers installed 101# by selftests Makefile or lib.mk. 102ifdef building_out_of_srctree 103override LDFLAGS = 104endif 105 106ifneq ($(O),) 107 BUILD := $(O)/kselftest 108else 109 ifneq ($(KBUILD_OUTPUT),) 110 BUILD := $(KBUILD_OUTPUT)/kselftest 111 else 112 BUILD := $(shell pwd) 113 DEFAULT_INSTALL_HDR_PATH := 1 114 endif 115endif 116 117# Prepare for headers install 118top_srcdir ?= ../../.. 119include $(top_srcdir)/scripts/subarch.include 120ARCH ?= $(SUBARCH) 121export KSFT_KHDR_INSTALL_DONE := 1 122export BUILD 123 124# build and run gpio when output directory is the src dir. 125# gpio has dependency on tools/gpio and builds tools/gpio 126# objects in the src directory in all cases making the src 127# repo dirty even when objects are relocated. 128ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 129 TMP := $(filter-out gpio, $(TARGETS)) 130 TARGETS := $(TMP) 131endif 132 133# set default goal to all, so make without a target runs all, even when 134# all isn't the first target in the file. 135.DEFAULT_GOAL := all 136 137# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 138# is used to avoid running headers_install from lib.mk. 139# Invoke headers install with --no-builtin-rules to avoid circular 140# dependency in "make kselftest" case. In this case, second level 141# make inherits builtin-rules which will use the rule generate 142# Makefile.o and runs into 143# "Circular Makefile.o <- prepare dependency dropped." 144# and headers_install fails and test compile fails. 145# 146# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 147# invokes them as sub-makes and --no-builtin-rules is not necessary, 148# but doesn't cause any failures. Keep it simple and use the same 149# flags in both cases. 150# Local build cases: "make kselftest", "make -C" - headers are installed 151# in the default INSTALL_HDR_PATH usr/include. 152khdr: 153ifeq (1,$(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 $$TARGET clean;\ 192 done; 193 194run_pstore_crash: 195 $(MAKE) -C pstore run_crash 196 197# Use $BUILD as the default install root. $BUILD points to the 198# right output location for the following cases: 199# 1. output_dir=kernel_src 200# 2. a separate output directory is specified using O= KBUILD_OUTPUT 201# 3. a separate output directory is specified using KBUILD_OUTPUT 202# Avoid conflict with INSTALL_PATH set by the main Makefile 203# 204KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 205KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 206# Avoid changing the rest of the logic here and lib.mk. 207INSTALL_PATH := $(KSFT_INSTALL_PATH) 208ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 209 210install: all 211ifdef INSTALL_PATH 212 @# Ask all targets to install their files 213 mkdir -p $(INSTALL_PATH)/kselftest 214 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 215 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 216 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 217 @ret=1; \ 218 for TARGET in $(TARGETS); do \ 219 BUILD_TARGET=$$BUILD/$$TARGET; \ 220 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 221 $(if $(FORCE_TARGETS),|| exit); \ 222 ret=$$((ret * $$?)); \ 223 done; exit $$ret; 224 225 @# Ask all targets to emit their test scripts 226 echo "#!/bin/sh" > $(ALL_SCRIPT) 227 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) 228 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) 229 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) 230 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) 231 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) 232 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) 233 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) 234 echo "fi" >> $(ALL_SCRIPT) 235 236 @# While building run_kselftest.sh skip also non-existent TARGET dirs: 237 @# they could be the result of a build failure and should NOT be 238 @# included in the generated runlist. 239 for TARGET in $(TARGETS); do \ 240 BUILD_TARGET=$$BUILD/$$TARGET; \ 241 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 242 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ 243 echo "cd $$TARGET" >> $(ALL_SCRIPT); \ 244 echo -n "run_many" >> $(ALL_SCRIPT); \ 245 echo -n "Emit Tests for $$TARGET\n"; \ 246 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ 247 echo "" >> $(ALL_SCRIPT); \ 248 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ 249 done; 250 251 chmod u+x $(ALL_SCRIPT) 252else 253 $(error Error: set INSTALL_PATH to use install) 254endif 255 256FORMAT ?= .gz 257TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 258gen_tar: install 259 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 260 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 261 @echo "Created ${TAR_PATH}" 262 263clean: 264 @for TARGET in $(TARGETS); do \ 265 BUILD_TARGET=$$BUILD/$$TARGET; \ 266 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 267 done; 268 269.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 270