1# SPDX-License-Identifier: GPL-2.0 2TARGETS += alsa 3TARGETS += amd-pstate 4TARGETS += arm64 5TARGETS += bpf 6TARGETS += breakpoints 7TARGETS += cachestat 8TARGETS += capabilities 9TARGETS += cgroup 10TARGETS += clone3 11TARGETS += core 12TARGETS += cpufreq 13TARGETS += cpu-hotplug 14TARGETS += damon 15TARGETS += drivers/dma-buf 16TARGETS += drivers/s390x/uvdevice 17TARGETS += drivers/net/bonding 18TARGETS += drivers/net/team 19TARGETS += efivarfs 20TARGETS += exec 21TARGETS += filesystems 22TARGETS += filesystems/binderfs 23TARGETS += filesystems/epoll 24TARGETS += filesystems/fat 25TARGETS += firmware 26TARGETS += fpu 27TARGETS += ftrace 28TARGETS += futex 29TARGETS += gpio 30TARGETS += hid 31TARGETS += intel_pstate 32TARGETS += iommu 33TARGETS += ipc 34TARGETS += ir 35TARGETS += kcmp 36TARGETS += kexec 37TARGETS += kvm 38TARGETS += landlock 39TARGETS += lib 40TARGETS += livepatch 41TARGETS += lkdtm 42TARGETS += membarrier 43TARGETS += memfd 44TARGETS += memory-hotplug 45TARGETS += mincore 46TARGETS += mount 47TARGETS += mount_setattr 48TARGETS += move_mount_set_group 49TARGETS += mqueue 50TARGETS += nci 51TARGETS += net 52TARGETS += net/af_unix 53TARGETS += net/forwarding 54TARGETS += net/hsr 55TARGETS += net/mptcp 56TARGETS += net/openvswitch 57TARGETS += netfilter 58TARGETS += nsfs 59TARGETS += pidfd 60TARGETS += pid_namespace 61TARGETS += powerpc 62TARGETS += prctl 63TARGETS += proc 64TARGETS += pstore 65TARGETS += ptrace 66TARGETS += openat2 67TARGETS += resctrl 68TARGETS += riscv 69TARGETS += rlimits 70TARGETS += rseq 71TARGETS += rtc 72TARGETS += seccomp 73TARGETS += sgx 74TARGETS += sigaltstack 75TARGETS += size 76TARGETS += sparc64 77TARGETS += splice 78TARGETS += static_keys 79TARGETS += sync 80TARGETS += syscall_user_dispatch 81TARGETS += sysctl 82TARGETS += tc-testing 83TARGETS += tdx 84TARGETS += timens 85ifneq (1, $(quicktest)) 86TARGETS += timers 87endif 88TARGETS += tmpfs 89TARGETS += tpm2 90TARGETS += tty 91TARGETS += user 92TARGETS += vDSO 93TARGETS += mm 94TARGETS += x86 95TARGETS += zram 96#Please keep the TARGETS list alphabetically sorted 97# Run "make quicktest=1 run_tests" or 98# "make quicktest=1 kselftest" from top level Makefile 99 100TARGETS_HOTPLUG = cpu-hotplug 101TARGETS_HOTPLUG += memory-hotplug 102 103# User can optionally provide a TARGETS skiplist. By default we skip 104# BPF since it has cutting edge build time dependencies which require 105# more effort to install. 106SKIP_TARGETS ?= bpf 107ifneq ($(SKIP_TARGETS),) 108 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 109 override TARGETS := $(TMP) 110endif 111 112# User can set FORCE_TARGETS to 1 to require all targets to be successfully 113# built; make will fail if any of the targets cannot be built. If 114# FORCE_TARGETS is not set (the default), make will succeed if at least one 115# of the targets gets built. 116FORCE_TARGETS ?= 117 118# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing. This provides 119# implicit rules to sub-test Makefiles which avoids build failures in test 120# Makefile that don't have explicit build rules. 121ifeq (,$(LINK.c)) 122override LDFLAGS = 123override MAKEFLAGS = 124endif 125 126# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 127# KBUILD_OUTPUT with selftest objects and headers installed 128# by selftests Makefile or lib.mk. 129ifdef building_out_of_srctree 130override LDFLAGS = 131endif 132 133top_srcdir ?= ../../.. 134 135ifeq ("$(origin O)", "command line") 136 KBUILD_OUTPUT := $(O) 137endif 138 139ifneq ($(KBUILD_OUTPUT),) 140 # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot 141 # expand a shell special character '~'. We use a somewhat tedious way here. 142 abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) 143 $(if $(abs_objtree),, \ 144 $(error failed to create output directory "$(KBUILD_OUTPUT)")) 145 # $(realpath ...) resolves symlinks 146 abs_objtree := $(realpath $(abs_objtree)) 147 BUILD := $(abs_objtree)/kselftest 148 KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include 149 KHDR_DIR := ${abs_objtree}/usr/include 150else 151 BUILD := $(CURDIR) 152 abs_srctree := $(shell cd $(top_srcdir) && pwd) 153 KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include 154 KHDR_DIR := ${abs_srctree}/usr/include 155 DEFAULT_INSTALL_HDR_PATH := 1 156endif 157 158# Prepare for headers install 159include $(top_srcdir)/scripts/subarch.include 160ARCH ?= $(SUBARCH) 161export BUILD 162export KHDR_INCLUDES 163 164# set default goal to all, so make without a target runs all, even when 165# all isn't the first target in the file. 166.DEFAULT_GOAL := all 167 168all: kernel_header_files 169 @ret=1; \ 170 for TARGET in $(TARGETS); do \ 171 BUILD_TARGET=$$BUILD/$$TARGET; \ 172 mkdir $$BUILD_TARGET -p; \ 173 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 174 O=$(abs_objtree) \ 175 $(if $(FORCE_TARGETS),|| exit); \ 176 ret=$$((ret * $$?)); \ 177 done; exit $$ret; 178 179kernel_header_files: 180 @ls $(KHDR_DIR)/linux/*.h >/dev/null 2>/dev/null; \ 181 if [ $$? -ne 0 ]; then \ 182 RED='\033[1;31m'; \ 183 NOCOLOR='\033[0m'; \ 184 echo; \ 185 echo -e "$${RED}error$${NOCOLOR}: missing kernel header files."; \ 186 echo "Please run this and try again:"; \ 187 echo; \ 188 echo " cd $(top_srcdir)"; \ 189 echo " make headers"; \ 190 echo; \ 191 exit 1; \ 192 fi 193 194.PHONY: kernel_header_files 195 196run_tests: all 197 @for TARGET in $(TARGETS); do \ 198 BUILD_TARGET=$$BUILD/$$TARGET; \ 199 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \ 200 O=$(abs_objtree); \ 201 done; 202 203hotplug: 204 @for TARGET in $(TARGETS_HOTPLUG); do \ 205 BUILD_TARGET=$$BUILD/$$TARGET; \ 206 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 207 done; 208 209run_hotplug: hotplug 210 @for TARGET in $(TARGETS_HOTPLUG); do \ 211 BUILD_TARGET=$$BUILD/$$TARGET; \ 212 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 213 done; 214 215clean_hotplug: 216 @for TARGET in $(TARGETS_HOTPLUG); do \ 217 BUILD_TARGET=$$BUILD/$$TARGET; \ 218 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 219 done; 220 221run_pstore_crash: 222 $(MAKE) -C pstore run_crash 223 224# Use $BUILD as the default install root. $BUILD points to the 225# right output location for the following cases: 226# 1. output_dir=kernel_src 227# 2. a separate output directory is specified using O= KBUILD_OUTPUT 228# 3. a separate output directory is specified using KBUILD_OUTPUT 229# Avoid conflict with INSTALL_PATH set by the main Makefile 230# 231KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 232KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 233# Avoid changing the rest of the logic here and lib.mk. 234INSTALL_PATH := $(KSFT_INSTALL_PATH) 235ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 236TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt 237 238install: all 239ifdef INSTALL_PATH 240 @# Ask all targets to install their files 241 mkdir -p $(INSTALL_PATH)/kselftest 242 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 243 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 244 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 245 install -m 744 run_kselftest.sh $(INSTALL_PATH)/ 246 rm -f $(TEST_LIST) 247 @ret=1; \ 248 for TARGET in $(TARGETS); do \ 249 BUILD_TARGET=$$BUILD/$$TARGET; \ 250 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 251 O=$(abs_objtree) \ 252 $(if $(FORCE_TARGETS),|| exit); \ 253 ret=$$((ret * $$?)); \ 254 done; exit $$ret; 255 256 257 @# Ask all targets to emit their test scripts 258 @# While building kselftest-list.text skip also non-existent TARGET dirs: 259 @# they could be the result of a build failure and should NOT be 260 @# included in the generated runlist. 261 for TARGET in $(TARGETS); do \ 262 BUILD_TARGET=$$BUILD/$$TARGET; \ 263 [ ! -d $(INSTALL_PATH)/$$TARGET ] && printf "Skipping non-existent dir: $$TARGET\n" && continue; \ 264 printf "Emit Tests for $$TARGET\n"; \ 265 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \ 266 -C $$TARGET emit_tests >> $(TEST_LIST); \ 267 done; 268else 269 $(error Error: set INSTALL_PATH to use install) 270endif 271 272FORMAT ?= .gz 273TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 274gen_tar: install 275 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 276 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 277 @echo "Created ${TAR_PATH}" 278 279clean: 280 @for TARGET in $(TARGETS); do \ 281 BUILD_TARGET=$$BUILD/$$TARGET; \ 282 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 283 done; 284 285.PHONY: all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 286