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