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