1# SPDX-License-Identifier: GPL-2.0 2TARGETS = android 3TARGETS += arm64 4TARGETS += bpf 5TARGETS += breakpoints 6TARGETS += capabilities 7TARGETS += cgroup 8TARGETS += clone3 9TARGETS += cpufreq 10TARGETS += cpu-hotplug 11TARGETS += drivers/dma-buf 12TARGETS += efivarfs 13TARGETS += exec 14TARGETS += filesystems 15TARGETS += filesystems/binderfs 16TARGETS += filesystems/epoll 17TARGETS += firmware 18TARGETS += ftrace 19TARGETS += futex 20TARGETS += gpio 21TARGETS += intel_pstate 22TARGETS += ipc 23TARGETS += ir 24TARGETS += kcmp 25TARGETS += kexec 26TARGETS += kvm 27TARGETS += lib 28TARGETS += livepatch 29TARGETS += lkdtm 30TARGETS += membarrier 31TARGETS += memfd 32TARGETS += memory-hotplug 33TARGETS += mount 34TARGETS += mqueue 35TARGETS += net 36TARGETS += net/mptcp 37TARGETS += netfilter 38TARGETS += networking/timestamping 39TARGETS += nsfs 40TARGETS += pidfd 41TARGETS += powerpc 42TARGETS += proc 43TARGETS += pstore 44TARGETS += ptrace 45TARGETS += openat2 46TARGETS += rseq 47TARGETS += rtc 48TARGETS += seccomp 49TARGETS += sigaltstack 50TARGETS += size 51TARGETS += sparc64 52TARGETS += splice 53TARGETS += static_keys 54TARGETS += sync 55TARGETS += sysctl 56TARGETS += timens 57ifneq (1, $(quicktest)) 58TARGETS += timers 59endif 60TARGETS += tmpfs 61TARGETS += tpm2 62TARGETS += user 63TARGETS += vm 64TARGETS += x86 65TARGETS += zram 66#Please keep the TARGETS list alphabetically sorted 67# Run "make quicktest=1 run_tests" or 68# "make quicktest=1 kselftest" from top level Makefile 69 70TARGETS_HOTPLUG = cpu-hotplug 71TARGETS_HOTPLUG += memory-hotplug 72 73# User can optionally provide a TARGETS skiplist. 74SKIP_TARGETS ?= 75ifneq ($(SKIP_TARGETS),) 76 TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS)) 77 override TARGETS := $(TMP) 78endif 79 80# User can set FORCE_TARGETS to 1 to require all targets to be successfully 81# built; make will fail if any of the targets cannot be built. If 82# FORCE_TARGETS is not set (the default), make will succeed if at least one 83# of the targets gets built. 84FORCE_TARGETS ?= 85 86# Clear LDFLAGS and MAKEFLAGS if called from main 87# Makefile to avoid test build failures when test 88# Makefile doesn't have explicit build rules. 89ifeq (1,$(MAKELEVEL)) 90override LDFLAGS = 91override MAKEFLAGS = 92endif 93 94# Append kselftest to KBUILD_OUTPUT to avoid cluttering 95# KBUILD_OUTPUT with selftest objects and headers installed 96# by selftests Makefile or lib.mk. 97ifdef building_out_of_srctree 98override LDFLAGS = 99endif 100 101ifneq ($(O),) 102 BUILD := $(O) 103else 104 ifneq ($(KBUILD_OUTPUT),) 105 BUILD := $(KBUILD_OUTPUT)/kselftest 106 else 107 BUILD := $(shell pwd) 108 DEFAULT_INSTALL_HDR_PATH := 1 109 endif 110endif 111 112# Prepare for headers install 113top_srcdir ?= ../../.. 114include $(top_srcdir)/scripts/subarch.include 115ARCH ?= $(SUBARCH) 116export KSFT_KHDR_INSTALL_DONE := 1 117export BUILD 118 119# build and run gpio when output directory is the src dir. 120# gpio has dependency on tools/gpio and builds tools/gpio 121# objects in the src directory in all cases making the src 122# repo dirty even when objects are relocated. 123ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 124 TMP := $(filter-out gpio, $(TARGETS)) 125 TARGETS := $(TMP) 126endif 127 128# set default goal to all, so make without a target runs all, even when 129# all isn't the first target in the file. 130.DEFAULT_GOAL := all 131 132# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 133# is used to avoid running headers_install from lib.mk. 134# Invoke headers install with --no-builtin-rules to avoid circular 135# dependency in "make kselftest" case. In this case, second level 136# make inherits builtin-rules which will use the rule generate 137# Makefile.o and runs into 138# "Circular Makefile.o <- prepare dependency dropped." 139# and headers_install fails and test compile fails. 140# 141# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 142# invokes them as sub-makes and --no-builtin-rules is not necessary, 143# but doesn't cause any failures. Keep it simple and use the same 144# flags in both cases. 145# Local build cases: "make kselftest", "make -C" - headers are installed 146# in the default INSTALL_HDR_PATH usr/include. 147khdr: 148ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 149 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 150else 151 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 152 ARCH=$(ARCH) -C $(top_srcdir) headers_install 153endif 154 155all: khdr 156 @ret=1; \ 157 for TARGET in $(TARGETS); do \ 158 BUILD_TARGET=$$BUILD/$$TARGET; \ 159 mkdir $$BUILD_TARGET -p; \ 160 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ 161 $(if $(FORCE_TARGETS),|| exit); \ 162 ret=$$((ret * $$?)); \ 163 done; exit $$ret; 164 165run_tests: all 166 @for TARGET in $(TARGETS); do \ 167 BUILD_TARGET=$$BUILD/$$TARGET; \ 168 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 169 done; 170 171hotplug: 172 @for TARGET in $(TARGETS_HOTPLUG); do \ 173 BUILD_TARGET=$$BUILD/$$TARGET; \ 174 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 175 done; 176 177run_hotplug: hotplug 178 @for TARGET in $(TARGETS_HOTPLUG); do \ 179 BUILD_TARGET=$$BUILD/$$TARGET; \ 180 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 181 done; 182 183clean_hotplug: 184 @for TARGET in $(TARGETS_HOTPLUG); do \ 185 BUILD_TARGET=$$BUILD/$$TARGET; \ 186 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 187 done; 188 189run_pstore_crash: 190 $(MAKE) -C pstore run_crash 191 192# Use $BUILD as the default install root. $BUILD points to the 193# right output location for the following cases: 194# 1. output_dir=kernel_src 195# 2. a separate output directory is specified using O= KBUILD_OUTPUT 196# 3. a separate output directory is specified using KBUILD_OUTPUT 197# Avoid conflict with INSTALL_PATH set by the main Makefile 198# 199KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 200KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 201# Avoid changing the rest of the logic here and lib.mk. 202INSTALL_PATH := $(KSFT_INSTALL_PATH) 203ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 204 205install: all 206ifdef INSTALL_PATH 207 @# Ask all targets to install their files 208 mkdir -p $(INSTALL_PATH)/kselftest 209 install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/ 210 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 211 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 212 @ret=1; \ 213 for TARGET in $(TARGETS); do \ 214 BUILD_TARGET=$$BUILD/$$TARGET; \ 215 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install \ 216 $(if $(FORCE_TARGETS),|| exit); \ 217 ret=$$((ret * $$?)); \ 218 done; exit $$ret; 219 220 @# Ask all targets to emit their test scripts 221 echo "#!/bin/sh" > $(ALL_SCRIPT) 222 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) 223 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) 224 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) 225 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) 226 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) 227 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) 228 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) 229 echo "fi" >> $(ALL_SCRIPT) 230 231 @# While building run_kselftest.sh skip also non-existent TARGET dirs: 232 @# they could be the result of a build failure and should NOT be 233 @# included in the generated runlist. 234 for TARGET in $(TARGETS); do \ 235 BUILD_TARGET=$$BUILD/$$TARGET; \ 236 [ ! -d $(INSTALL_PATH)/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 237 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ 238 echo "cd $$TARGET" >> $(ALL_SCRIPT); \ 239 echo -n "run_many" >> $(ALL_SCRIPT); \ 240 echo -n "Emit Tests for $$TARGET\n"; \ 241 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ 242 echo "" >> $(ALL_SCRIPT); \ 243 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ 244 done; 245 246 chmod u+x $(ALL_SCRIPT) 247else 248 $(error Error: set INSTALL_PATH to use install) 249endif 250 251clean: 252 @for TARGET in $(TARGETS); do \ 253 BUILD_TARGET=$$BUILD/$$TARGET; \ 254 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 255 done; 256 257.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean 258