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 += drivers/dma-buf 13TARGETS += efivarfs 14TARGETS += exec 15TARGETS += filesystems 16TARGETS += filesystems/binderfs 17TARGETS += filesystems/epoll 18TARGETS += firmware 19TARGETS += fpu 20TARGETS += ftrace 21TARGETS += futex 22TARGETS += gpio 23TARGETS += intel_pstate 24TARGETS += ipc 25TARGETS += ir 26TARGETS += kcmp 27TARGETS += kexec 28TARGETS += kvm 29TARGETS += lib 30TARGETS += livepatch 31TARGETS += lkdtm 32TARGETS += membarrier 33TARGETS += memfd 34TARGETS += memory-hotplug 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 += sigaltstack 53TARGETS += size 54TARGETS += sparc64 55TARGETS += splice 56TARGETS += static_keys 57TARGETS += sync 58TARGETS += sysctl 59TARGETS += tc-testing 60TARGETS += timens 61ifneq (1, $(quicktest)) 62TARGETS += timers 63endif 64TARGETS += tmpfs 65TARGETS += tpm2 66TARGETS += user 67TARGETS += vm 68TARGETS += x86 69TARGETS += zram 70#Please keep the TARGETS list alphabetically sorted 71# Run "make quicktest=1 run_tests" or 72# "make quicktest=1 kselftest" from top level Makefile 73 74TARGETS_HOTPLUG = cpu-hotplug 75TARGETS_HOTPLUG += memory-hotplug 76 77# User can optionally provide a TARGETS skiplist. 78SKIP_TARGETS ?= 79ifneq ($(SKIP_TARGETS),) 80 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 81 override TARGETS := $(TMP) 82endif 83 84# User can set FORCE_TARGETS to 1 to require all targets to be successfully 85# built; make will fail if any of the targets cannot be built. If 86# FORCE_TARGETS is not set (the default), make will succeed if at least one 87# of the targets gets built. 88FORCE_TARGETS ?= 89 90# Clear LDFLAGS and MAKEFLAGS if called from main 91# Makefile to avoid test build failures when test 92# Makefile doesn't have explicit build rules. 93ifeq (1,$(MAKELEVEL)) 94override LDFLAGS = 95override MAKEFLAGS = 96endif 97 98# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering 99# KBUILD_OUTPUT with selftest objects and headers installed 100# by selftests Makefile or lib.mk. 101ifdef building_out_of_srctree 102override LDFLAGS = 103endif 104 105ifneq ($(O),) 106 BUILD := $(O)/kselftest 107else 108 ifneq ($(KBUILD_OUTPUT),) 109 BUILD := $(KBUILD_OUTPUT)/kselftest 110 else 111 BUILD := $(shell pwd) 112 DEFAULT_INSTALL_HDR_PATH := 1 113 endif 114endif 115 116# Prepare for headers install 117top_srcdir ?= ../../.. 118include $(top_srcdir)/scripts/subarch.include 119ARCH ?= $(SUBARCH) 120export KSFT_KHDR_INSTALL_DONE := 1 121export BUILD 122 123# build and run gpio when output directory is the src dir. 124# gpio has dependency on tools/gpio and builds tools/gpio 125# objects in the src directory in all cases making the src 126# repo dirty even when objects are relocated. 127ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 128 TMP := $(filter-out gpio, $(TARGETS)) 129 TARGETS := $(TMP) 130endif 131 132# set default goal to all, so make without a target runs all, even when 133# all isn't the first target in the file. 134.DEFAULT_GOAL := all 135 136# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 137# is used to avoid running headers_install from lib.mk. 138# Invoke headers install with --no-builtin-rules to avoid circular 139# dependency in "make kselftest" case. In this case, second level 140# make inherits builtin-rules which will use the rule generate 141# Makefile.o and runs into 142# "Circular Makefile.o <- prepare dependency dropped." 143# and headers_install fails and test compile fails. 144# 145# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 146# invokes them as sub-makes and --no-builtin-rules is not necessary, 147# but doesn't cause any failures. Keep it simple and use the same 148# flags in both cases. 149# Local build cases: "make kselftest", "make -C" - headers are installed 150# in the default INSTALL_HDR_PATH usr/include. 151khdr: 152ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 153 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 154else 155 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 156 ARCH=$(ARCH) -C $(top_srcdir) headers_install 157endif 158 159all: khdr 160 @ret=1; \ 161 for TARGET in $(TARGETS); do \ 162 BUILD_TARGET=$$BUILD/$$TARGET; \ 163 mkdir $$BUILD_TARGET -p; \ 164 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 165 $(if $(FORCE_TARGETS),|| exit); \ 166 ret=$$((ret * $$?)); \ 167 done; exit $$ret; 168 169run_tests: all 170 @for TARGET in $(TARGETS); do \ 171 BUILD_TARGET=$$BUILD/$$TARGET; \ 172 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 173 done; 174 175hotplug: 176 @for TARGET in $(TARGETS_HOTPLUG); do \ 177 BUILD_TARGET=$$BUILD/$$TARGET; \ 178 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 179 done; 180 181run_hotplug: hotplug 182 @for TARGET in $(TARGETS_HOTPLUG); do \ 183 BUILD_TARGET=$$BUILD/$$TARGET; \ 184 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 185 done; 186 187clean_hotplug: 188 @for TARGET in $(TARGETS_HOTPLUG); do \ 189 BUILD_TARGET=$$BUILD/$$TARGET; \ 190 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 191 done; 192 193run_pstore_crash: 194 $(MAKE) -C pstore run_crash 195 196# Use $BUILD as the default install root. $BUILD points to the 197# right output location for the following cases: 198# 1. output_dir=kernel_src 199# 2. a separate output directory is specified using O= KBUILD_OUTPUT 200# 3. a separate output directory is specified using KBUILD_OUTPUT 201# Avoid conflict with INSTALL_PATH set by the main Makefile 202# 203KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 204KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 205# Avoid changing the rest of the logic here and lib.mk. 206INSTALL_PATH := $(KSFT_INSTALL_PATH) 207ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 208 209install: all 210ifdef INSTALL_PATH 211 @# Ask all targets to install their files 212 mkdir -p $(INSTALL_PATH)/kselftest 213 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 214 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 215 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 216 @ret=1; \ 217 for TARGET in $(TARGETS); do \ 218 BUILD_TARGET=$$BUILD/$$TARGET; \ 219 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 220 $(if $(FORCE_TARGETS),|| exit); \ 221 ret=$$((ret * $$?)); \ 222 done; exit $$ret; 223 224 @# Ask all targets to emit their test scripts 225 echo "#!/bin/sh" > $(ALL_SCRIPT) 226 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) 227 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) 228 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) 229 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) 230 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) 231 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) 232 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) 233 echo "fi" >> $(ALL_SCRIPT) 234 235 @# While building run_kselftest.sh skip also non-existent TARGET dirs: 236 @# they could be the result of a build failure and should NOT be 237 @# included in the generated runlist. 238 for TARGET in $(TARGETS); do \ 239 BUILD_TARGET=$$BUILD/$$TARGET; \ 240 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 241 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ 242 echo "cd $$TARGET" >> $(ALL_SCRIPT); \ 243 echo -n "run_many" >> $(ALL_SCRIPT); \ 244 echo -n "Emit Tests for $$TARGET\n"; \ 245 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ 246 echo "" >> $(ALL_SCRIPT); \ 247 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ 248 done; 249 250 chmod u+x $(ALL_SCRIPT) 251else 252 $(error Error: set INSTALL_PATH to use install) 253endif 254 255FORMAT ?= .gz 256TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT}) 257gen_tar: install 258 @mkdir -p ${INSTALL_PATH}/kselftest-packages/ 259 @tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} . 260 @echo "Created ${TAR_PATH}" 261 262clean: 263 @for TARGET in $(TARGETS); do \ 264 BUILD_TARGET=$$BUILD/$$TARGET; \ 265 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 266 done; 267 268.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar 269