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