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