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