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