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