tools/testing/selftests/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 TARGETS = arm64
   3 TARGETS += bpf
   4 TARGETS += breakpoints
   5 TARGETS += capabilities
   6 TARGETS += cgroup
   7 TARGETS += clone3
   8 TARGETS += core
   9 TARGETS += cpufreq
  10 TARGETS += cpu-hotplug
  11 TARGETS += drivers/dma-buf
  12 TARGETS += efivarfs
  13 TARGETS += exec
  14 TARGETS += filesystems
  15 TARGETS += filesystems/binderfs
  16 TARGETS += filesystems/epoll
  17 TARGETS += firmware
  18 TARGETS += fpu
  19 TARGETS += ftrace
  20 TARGETS += futex
  21 TARGETS += gpio
  22 TARGETS += intel_pstate
  23 TARGETS += ipc
  24 TARGETS += ir
  25 TARGETS += kcmp
  26 TARGETS += kexec
  27 TARGETS += kvm
  28 TARGETS += lib
  29 TARGETS += livepatch
  30 TARGETS += lkdtm
  31 TARGETS += membarrier
  32 TARGETS += memfd
  33 TARGETS += memory-hotplug
  34 TARGETS += mincore
  35 TARGETS += mount
  36 TARGETS += mqueue
  37 TARGETS += net
  38 TARGETS += net/forwarding
  39 TARGETS += net/mptcp
  40 TARGETS += netfilter
  41 TARGETS += nsfs
  42 TARGETS += pidfd
  43 TARGETS += pid_namespace
  44 TARGETS += powerpc
  45 TARGETS += proc
  46 TARGETS += pstore
  47 TARGETS += ptrace
  48 TARGETS += openat2
  49 TARGETS += rseq
  50 TARGETS += rtc
  51 TARGETS += seccomp
  52 TARGETS += sgx
  53 TARGETS += sigaltstack
  54 TARGETS += size
  55 TARGETS += sparc64
  56 TARGETS += splice
  57 TARGETS += static_keys
  58 TARGETS += sync
  59 TARGETS += syscall_user_dispatch
  60 TARGETS += sysctl
  61 TARGETS += tc-testing
  62 TARGETS += timens
  63 ifneq (1, $(quicktest))
  64 TARGETS += timers
  65 endif
  66 TARGETS += tmpfs
  67 TARGETS += tpm2
  68 TARGETS += user
  69 TARGETS += vDSO
  70 TARGETS += vm
  71 TARGETS += x86
  72 TARGETS += zram
  73 #Please keep the TARGETS list alphabetically sorted
  74 # Run "make quicktest=1 run_tests" or
  75 # "make quicktest=1 kselftest" from top level Makefile
  76
  77 TARGETS_HOTPLUG = cpu-hotplug
  78 TARGETS_HOTPLUG += memory-hotplug
  79
  80 # User can optionally provide a TARGETS skiplist.
  81 SKIP_TARGETS ?=
  82 ifneq ($(SKIP_TARGETS),)
  83         TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
  84         override TARGETS := $(TMP)
  85 endif
  86
  87 # User can set FORCE_TARGETS to 1 to require all targets to be successfully
  88 # built; make will fail if any of the targets cannot be built. If
  89 # FORCE_TARGETS is not set (the default), make will succeed if at least one
  90 # of the targets gets built.
  91 FORCE_TARGETS ?=
  92
  93 # Clear LDFLAGS and MAKEFLAGS when implicit rules are missing.  This provides
  94 # implicit rules to sub-test Makefiles which avoids build failures in test
  95 # Makefile that don't have explicit build rules.
  96 ifeq (,$(LINK.c))
  97 override LDFLAGS =
  98 override MAKEFLAGS =
  99 endif
 100
 101 # Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
 102 # KBUILD_OUTPUT with selftest objects and headers installed
 103 # by selftests Makefile or lib.mk.
 104 ifdef building_out_of_srctree
 105 override LDFLAGS =
 106 endif
 107
 108 ifneq ($(O),)
 109         BUILD := $(O)/kselftest
 110 else
 111         ifneq ($(KBUILD_OUTPUT),)
 112                 BUILD := $(KBUILD_OUTPUT)/kselftest
 113         else
 114                 BUILD := $(shell pwd)
 115                 DEFAULT_INSTALL_HDR_PATH := 1
 116         endif
 117 endif
 118
 119 # Prepare for headers install
 120 top_srcdir ?= ../../..
 121 include $(top_srcdir)/scripts/subarch.include
 122 ARCH           ?= $(SUBARCH)
 123 export KSFT_KHDR_INSTALL_DONE := 1
 124 export BUILD
 125
 126 # build and run gpio when output directory is the src dir.
 127 # gpio has dependency on tools/gpio and builds tools/gpio
 128 # objects in the src directory in all cases making the src
 129 # repo dirty even when objects are relocated.
 130 ifneq (1,$(DEFAULT_INSTALL_HDR_PATH))
 131         TMP := $(filter-out gpio, $(TARGETS))
 132         TARGETS := $(TMP)
 133 endif
 134
 135 # set default goal to all, so make without a target runs all, even when
 136 # all isn't the first target in the file.
 137 .DEFAULT_GOAL := all
 138
 139 # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE
 140 # is used to avoid running headers_install from lib.mk.
 141 # Invoke headers install with --no-builtin-rules to avoid circular
 142 # dependency in "make kselftest" case. In this case, second level
 143 # make inherits builtin-rules which will use the rule generate
 144 # Makefile.o and runs into
 145 # "Circular Makefile.o <- prepare dependency dropped."
 146 # and headers_install fails and test compile fails.
 147 #
 148 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
 149 # invokes them as sub-makes and --no-builtin-rules is not necessary,
 150 # but doesn't cause any failures. Keep it simple and use the same
 151 # flags in both cases.
 152 # Local build cases: "make kselftest", "make -C" - headers are installed
 153 # in the default INSTALL_HDR_PATH usr/include.
 154 khdr:
 155 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
 156         $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
 157 else
 158         $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \
 159                 ARCH=$(ARCH) -C $(top_srcdir) headers_install
 160 endif
 161
 162 all: khdr
 163         @ret=1;                                                 \
 164         for TARGET in $(TARGETS); do                            \
 165                 BUILD_TARGET=$$BUILD/$$TARGET;                  \
 166                 mkdir $$BUILD_TARGET  -p;                       \
 167                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET       \
 168                                 $(if $(FORCE_TARGETS),|| exit); \
 169                 ret=$$((ret * $$?));                            \
 170         done; exit $$ret;
 171
 172 run_tests: all
 173         @for TARGET in $(TARGETS); do \
 174                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 175                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\
 176         done;
 177
 178 hotplug:
 179         @for TARGET in $(TARGETS_HOTPLUG); do \
 180                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 181                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
 182         done;
 183
 184 run_hotplug: hotplug
 185         @for TARGET in $(TARGETS_HOTPLUG); do \
 186                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 187                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
 188         done;
 189
 190 clean_hotplug:
 191         @for TARGET in $(TARGETS_HOTPLUG); do \
 192                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 193                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
 194         done;
 195
 196 run_pstore_crash:
 197         $(MAKE) -C pstore run_crash
 198
 199 # Use $BUILD as the default install root. $BUILD points to the
 200 # right output location for the following cases:
 201 # 1. output_dir=kernel_src
 202 # 2. a separate output directory is specified using O= KBUILD_OUTPUT
 203 # 3. a separate output directory is specified using KBUILD_OUTPUT
 204 # Avoid conflict with INSTALL_PATH set by the main Makefile
 205 #
 206 KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
 207 KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
 208 # Avoid changing the rest of the logic here and lib.mk.
 209 INSTALL_PATH := $(KSFT_INSTALL_PATH)
 210 ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
 211 TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt
 212
 213 install: all
 214 ifdef INSTALL_PATH
 215         @# Ask all targets to install their files
 216         mkdir -p $(INSTALL_PATH)/kselftest
 217         install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
 218         install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
 219         install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
 220         install -m 744 run_kselftest.sh $(INSTALL_PATH)/
 221         rm -f $(TEST_LIST)
 222         @ret=1; \
 223         for TARGET in $(TARGETS); do \
 224                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 225                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \
 226                                 $(if $(FORCE_TARGETS),|| exit); \
 227                 ret=$$((ret * $$?));            \
 228         done; exit $$ret;
 229
 230
 231         @# Ask all targets to emit their test scripts
 232         @# While building kselftest-list.text skip also non-existent TARGET dirs:
 233         @# they could be the result of a build failure and should NOT be
 234         @# included in the generated runlist.
 235         for TARGET in $(TARGETS); do \
 236                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 237                 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
 238                 echo -n "Emit Tests for $$TARGET\n"; \
 239                 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \
 240                         -C $$TARGET emit_tests >> $(TEST_LIST); \
 241         done;
 242 else
 243         $(error Error: set INSTALL_PATH to use install)
 244 endif
 245
 246 FORMAT ?= .gz
 247 TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
 248 gen_tar: install
 249         @mkdir -p ${INSTALL_PATH}/kselftest-packages/
 250         @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
 251         @echo "Created ${TAR_PATH}"
 252
 253 clean:
 254         @for TARGET in $(TARGETS); do \
 255                 BUILD_TARGET=$$BUILD/$$TARGET;  \
 256                 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
 257         done;
 258
 259 .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar