1# SPDX-License-Identifier: GPL-2.0 2TARGETS = arm64 3TARGETS += bpf 4TARGETS += breakpoints 5TARGETS += capabilities 6TARGETS += cgroup 7TARGETS += clone3 8TARGETS += core 9TARGETS += cpufreq 10TARGETS += cpu-hotplug 11TARGETS += drivers/dma-buf 12TARGETS += efivarfs 13TARGETS += exec 14TARGETS += filesystems 15TARGETS += filesystems/binderfs 16TARGETS += filesystems/epoll 17TARGETS += firmware 18TARGETS += fpu 19TARGETS += ftrace 20TARGETS += futex 21TARGETS += gpio 22TARGETS += intel_pstate 23TARGETS += ipc 24TARGETS += ir 25TARGETS += kcmp 26TARGETS += kexec 27TARGETS += kvm 28TARGETS += lib 29TARGETS += livepatch 30TARGETS += lkdtm 31TARGETS += membarrier 32TARGETS += memfd 33TARGETS += memory-hotplug 34TARGETS += mincore 35TARGETS += mount 36TARGETS += mqueue 37TARGETS += net 38TARGETS += net/forwarding 39TARGETS += net/mptcp 40TARGETS += netfilter 41TARGETS += nsfs 42TARGETS += pidfd 43TARGETS += pid_namespace 44TARGETS += powerpc 45TARGETS += proc 46TARGETS += pstore 47TARGETS += ptrace 48TARGETS += openat2 49TARGETS += rseq 50TARGETS += rtc 51TARGETS += seccomp 52TARGETS += sgx 53TARGETS += sigaltstack 54TARGETS += size 55TARGETS += sparc64 56TARGETS += splice 57TARGETS += static_keys 58TARGETS += sync 59TARGETS += syscall_user_dispatch 60TARGETS += sysctl 61TARGETS += tc-testing 62TARGETS += timens 63ifneq (1, $(quicktest)) 64TARGETS += timers 65endif 66TARGETS += tmpfs 67TARGETS += tpm2 68TARGETS += user 69TARGETS += vDSO 70TARGETS += vm 71TARGETS += x86 72TARGETS += zram 73#Please keep the TARGETS list alphabetically sorted 74# Run "make quicktest=1 run_tests" or 75# "make quicktest=1 kselftest" from top level Makefile 76 77TARGETS_HOTPLUG = cpu-hotplug 78TARGETS_HOTPLUG += memory-hotplug 79 80# User can optionally provide a TARGETS skiplist. 81SKIP_TARGETS ?= 82ifneq ($(SKIP_TARGETS),) 83 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 84 override TARGETS := $(TMP) 85endif 86 87# User can set FORCE_TARGETS to 1 to require all targets to be successfully 88# built; make will fail if any of the targets cannot be built. If 89# FORCE_TARGETS is not set (the default), make will succeed if at least one 90# of the targets gets built. 91FORCE_TARGETS ?= 92 93# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 94# implicit rules to sub-test Makefiles which avoids build failures in test 95# Makefile that don't have explicit build rules. 96ifeq (,$(LINK.c)) 97override LDFLAGS = 98override MAKEFLAGS = 99endif 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. 104ifdef building_out_of_srctree 105override LDFLAGS = 106endif 107 108ifneq ($(O),) 109 BUILD := $(O)/kselftest 110else 111 ifneq ($(KBUILD_OUTPUT),) 112 BUILD := $(KBUILD_OUTPUT)/kselftest 113 else 114 BUILD := $(shell pwd) 115 DEFAULT_INSTALL_HDR_PATH := 1 116 endif 117endif 118 119# Prepare for headers install 120top_srcdir ?= ../../.. 121include $(top_srcdir)/scripts/subarch.include 122ARCH ?= $(SUBARCH) 123export KSFT_KHDR_INSTALL_DONE := 1 124export BUILD 125 126# build and run gpio when output directory is the src dir. 127# gpio has dependency on tools/gpio and builds tools/gpio 128# objects in the src directory in all cases making the src 129# repo dirty even when objects are relocated. 130ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 131 TMP := $(filter-out gpio, $(TARGETS)) 132 TARGETS := $(TMP) 133endif 134 135# set default goal to all, so make without a target runs all, even when 136# all isn't the first target in the file. 137.DEFAULT_GOAL := all 138 139# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 140# is used to avoid running headers_install from lib.mk. 141# Invoke headers install with --no-builtin-rules to avoid circular 142# dependency in "make kselftest" case. In this case, second level 143# make inherits builtin-rules which will use the rule generate 144# Makefile.o and runs into 145# "Circular Makefile.o <- prepare dependency dropped." 146# and headers_install fails and test compile fails. 147# 148# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 149# invokes them as sub-makes and --no-builtin-rules is not necessary, 150# but doesn't cause any failures. Keep it simple and use the same 151# flags in both cases. 152# Local build cases: "make kselftest", "make -C" - headers are installed 153# in the default INSTALL_HDR_PATH usr/include. 154khdr: 155ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 156 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 157else 158 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 159 ARCH=$(ARCH) -C $(top_srcdir) headers_install 160endif 161 162all: khdr 163 @ret=1; \ 164 for TARGET in $(TARGETS); do \ 165 BUILD_TARGET=$$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 $$ret; 171 172run_tests: all 173 @for TARGET in $(TARGETS); do \ 174 BUILD_TARGET=$$BUILD/$$TARGET; \ 175 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 176 done; 177 178hotplug: 179 @for TARGET in $(TARGETS_HOTPLUG); do \ 180 BUILD_TARGET=$$BUILD/$$TARGET; \ 181 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 182 done; 183 184run_hotplug: hotplug 185 @for TARGET in $(TARGETS_HOTPLUG); do \ 186 BUILD_TARGET=$$BUILD/$$TARGET; \ 187 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 188 done; 189 190clean_hotplug: 191 @for TARGET in $(TARGETS_HOTPLUG); do \ 192 BUILD_TARGET=$$BUILD/$$TARGET; \ 193 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 194 done; 195 196run_pstore_crash: 197 $(MAKE) -C pstore run_crash 198 199# Use $BUILD as the default install root. $BUILD points to the 200# right output location for the following cases: 201# 1. output_dir=kernel_src 202# 2. a separate output directory is specified using O= KBUILD_OUTPUT 203# 3. a separate output directory is specified using KBUILD_OUTPUT 204# Avoid conflict with INSTALL_PATH set by the main Makefile 205# 206KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 207KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 208# Avoid changing the rest of the logic here and lib.mk. 209INSTALL_PATH := $(KSFT_INSTALL_PATH) 210ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 211TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 212 213install: all 214ifdef INSTALL_PATH 215 @# Ask all targets to install their files 216 mkdir -p $(INSTALL_PATH)/kselftest 217 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 218 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 219 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 220 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 221 rm -f $(TEST_LIST) 222 @ret=1; \ 223 for TARGET in $(TARGETS); do \ 224 BUILD_TARGET=$$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 $$TARGET emit_tests >> $(TEST_LIST); \ 241 done; 242else 243 $(error Error: set INSTALL_PATH to use install) 244endif 245 246FORMAT ?= .gz 247TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 248gen_tar: install 249 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 250 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 251 @echo "Created ${TAR_PATH}" 252 253clean: 254 @for TARGET in $(TARGETS); do \ 255 BUILD_TARGET=$$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 260