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 += damon 13TARGETS += drivers/dma-buf 14TARGETS += efivarfs 15TARGETS += exec 16TARGETS += filesystems 17TARGETS += filesystems/binderfs 18TARGETS += filesystems/epoll 19TARGETS += firmware 20TARGETS += fpu 21TARGETS += ftrace 22TARGETS += futex 23TARGETS += gpio 24TARGETS += intel_pstate 25TARGETS += ipc 26TARGETS += ir 27TARGETS += kcmp 28TARGETS += kexec 29TARGETS += kvm 30TARGETS += lib 31TARGETS += livepatch 32TARGETS += lkdtm 33TARGETS += membarrier 34TARGETS += memfd 35TARGETS += memory-hotplug 36TARGETS += mincore 37TARGETS += mount 38TARGETS += mqueue 39TARGETS += net 40TARGETS += net/forwarding 41TARGETS += net/mptcp 42TARGETS += netfilter 43TARGETS += nsfs 44TARGETS += pidfd 45TARGETS += pid_namespace 46TARGETS += powerpc 47TARGETS += proc 48TARGETS += pstore 49TARGETS += ptrace 50TARGETS += openat2 51TARGETS += rseq 52TARGETS += rtc 53TARGETS += seccomp 54TARGETS += sigaltstack 55TARGETS += size 56TARGETS += sparc64 57TARGETS += splice 58TARGETS += static_keys 59TARGETS += sync 60TARGETS += sysctl 61TARGETS += tc-testing 62TARGETS += timens 63ifneq (1, $(quicktest)) 64TARGETS += timers 65endif 66TARGETS += tmpfs 67TARGETS += tpm2 68TARGETS += user 69TARGETS += vm 70TARGETS += x86 71TARGETS += zram 72#Please keep the TARGETS list alphabetically sorted 73# Run "make quicktest=1 run_tests" or 74# "make quicktest=1 kselftest" from top level Makefile 75 76TARGETS_HOTPLUG = cpu-hotplug 77TARGETS_HOTPLUG += memory-hotplug 78 79# User can optionally provide a TARGETS skiplist. 80SKIP_TARGETS ?= 81ifneq ($(SKIP_TARGETS),) 82 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 83 override TARGETS := $(TMP) 84endif 85 86# User can set FORCE_TARGETS to 1 to require all targets to be successfully 87# built; make will fail if any of the targets cannot be built. If 88# FORCE_TARGETS is not set (the default), make will succeed if at least one 89# of the targets gets built. 90FORCE_TARGETS ?= 91 92# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 93# implicit rules to sub-test Makefiles which avoids build failures in test 94# Makefile that don't have explicit build rules. 95ifeq (,$(LINK.c)) 96override LDFLAGS = 97override MAKEFLAGS = 98endif 99 100# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 101# KBUILD_OUTPUT with selftest objects and headers installed 102# by selftests Makefile or lib.mk. 103ifdef building_out_of_srctree 104override LDFLAGS = 105endif 106 107top_srcdir ?= ../../.. 108 109ifeq ("$(origin O)", "command line") 110 KBUILD_OUTPUT := $(O) 111endif 112 113ifneq ($(KBUILD_OUTPUT),) 114 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot 115 # expand a shell special character '~'. We use a somewhat tedious way here. 116 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) 117 $(if $(abs_objtree),, \ 118 $(error failed to create output directory "$(KBUILD_OUTPUT)")) 119 # $(realpath ...) resolves symlinks 120 abs_objtree := $(realpath $(abs_objtree)) 121 BUILD := $(abs_objtree)/kselftest 122else 123 BUILD := $(CURDIR) 124 DEFAULT_INSTALL_HDR_PATH := 1 125endif 126 127# Prepare for headers install 128include $(top_srcdir)/scripts/subarch.include 129ARCH ?= $(SUBARCH) 130export KSFT_KHDR_INSTALL_DONE := 1 131export BUILD 132 133# build and run gpio when output directory is the src dir. 134# gpio has dependency on tools/gpio and builds tools/gpio 135# objects in the src directory in all cases making the src 136# repo dirty even when objects are relocated. 137ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 138 TMP := $(filter-out gpio, $(TARGETS)) 139 TARGETS := $(TMP) 140endif 141 142# set default goal to all, so make without a target runs all, even when 143# all isn't the first target in the file. 144.DEFAULT_GOAL := all 145 146# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 147# is used to avoid running headers_install from lib.mk. 148# Invoke headers install with --no-builtin-rules to avoid circular 149# dependency in "make kselftest" case. In this case, second level 150# make inherits builtin-rules which will use the rule generate 151# Makefile.o and runs into 152# "Circular Makefile.o <- prepare dependency dropped." 153# and headers_install fails and test compile fails. 154# 155# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 156# invokes them as sub-makes and --no-builtin-rules is not necessary, 157# but doesn't cause any failures. Keep it simple and use the same 158# flags in both cases. 159# Local build cases: "make kselftest", "make -C" - headers are installed 160# in the default INSTALL_HDR_PATH usr/include. 161khdr: 162ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 163 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 164else 165 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 166 ARCH=$(ARCH) -C $(top_srcdir) headers_install 167endif 168 169all: khdr 170 @ret=1; \ 171 for TARGET in $(TARGETS); do \ 172 BUILD_TARGET=$$BUILD/$$TARGET; \ 173 mkdir $$BUILD_TARGET -p; \ 174 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 175 $(if $(FORCE_TARGETS),|| exit); \ 176 ret=$$((ret * $$?)); \ 177 done; exit $$ret; 178 179run_tests: all 180 @for TARGET in $(TARGETS); do \ 181 BUILD_TARGET=$$BUILD/$$TARGET; \ 182 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 183 done; 184 185hotplug: 186 @for TARGET in $(TARGETS_HOTPLUG); do \ 187 BUILD_TARGET=$$BUILD/$$TARGET; \ 188 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 189 done; 190 191run_hotplug: hotplug 192 @for TARGET in $(TARGETS_HOTPLUG); do \ 193 BUILD_TARGET=$$BUILD/$$TARGET; \ 194 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 195 done; 196 197clean_hotplug: 198 @for TARGET in $(TARGETS_HOTPLUG); do \ 199 BUILD_TARGET=$$BUILD/$$TARGET; \ 200 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 201 done; 202 203run_pstore_crash: 204 $(MAKE) -C pstore run_crash 205 206# Use $BUILD as the default install root. $BUILD points to the 207# right output location for the following cases: 208# 1. output_dir=kernel_src 209# 2. a separate output directory is specified using O= KBUILD_OUTPUT 210# 3. a separate output directory is specified using KBUILD_OUTPUT 211# Avoid conflict with INSTALL_PATH set by the main Makefile 212# 213KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 214KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 215# Avoid changing the rest of the logic here and lib.mk. 216INSTALL_PATH := $(KSFT_INSTALL_PATH) 217ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 218TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 219 220install: all 221ifdef INSTALL_PATH 222 @# Ask all targets to install their files 223 mkdir -p $(INSTALL_PATH)/kselftest 224 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 225 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 226 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 227 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 228 rm -f $(TEST_LIST) 229 @ret=1; \ 230 for TARGET in $(TARGETS); do \ 231 BUILD_TARGET=$$BUILD/$$TARGET; \ 232 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 233 $(if $(FORCE_TARGETS),|| exit); \ 234 ret=$$((ret * $$?)); \ 235 done; exit $$ret; 236 237 238 @# Ask all targets to emit their test scripts 239 @# While building kselftest-list.text skip also non-existent TARGET dirs: 240 @# they could be the result of a build failure and should NOT be 241 @# included in the generated runlist. 242 for TARGET in $(TARGETS); do \ 243 BUILD_TARGET=$$BUILD/$$TARGET; \ 244 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 245 echo -n "Emit Tests for $$TARGET\n"; \ 246 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \ 247 -C $$TARGET emit_tests >> $(TEST_LIST); \ 248 done; 249else 250 $(error Error: set INSTALL_PATH to use install) 251endif 252 253FORMAT ?= .gz 254TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 255gen_tar: install 256 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 257 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 258 @echo "Created ${TAR_PATH}" 259 260clean: 261 @for TARGET in $(TARGETS); do \ 262 BUILD_TARGET=$$BUILD/$$TARGET; \ 263 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 264 done; 265 266.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 267