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 := $(abs_objtree) 90else 91 ifneq ($(KBUILD_OUTPUT),) 92 BUILD := $(abs_objtree)/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 ?= $(SUBARCH) 103export KSFT_KHDR_INSTALL_DONE := 1 104export BUILD 105#$(info abd_objtree = $(abs_objtree) BUILD = $(BUILD)) 106 107# build and run gpio when output directory is the src dir. 108# gpio has dependency on tools/gpio and builds tools/gpio 109# objects in the src directory in all cases making the src 110# repo dirty even when objects are relocated. 111ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) 112 TMP := $(filter-out gpio, $(TARGETS)) 113 TARGETS := $(TMP) 114endif 115 116# set default goal to all, so make without a target runs all, even when 117# all isn't the first target in the file. 118.DEFAULT_GOAL := all 119 120# Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE 121# is used to avoid running headers_install from lib.mk. 122# Invoke headers install with --no-builtin-rules to avoid circular 123# dependency in "make kselftest" case. In this case, second level 124# make inherits builtin-rules which will use the rule generate 125# Makefile.o and runs into 126# "Circular Makefile.o <- prepare dependency dropped." 127# and headers_install fails and test compile fails. 128# 129# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile 130# invokes them as sub-makes and --no-builtin-rules is not necessary, 131# but doesn't cause any failures. Keep it simple and use the same 132# flags in both cases. 133# Local build cases: "make kselftest", "make -C" - headers are installed 134# in the default INSTALL_HDR_PATH usr/include. 135khdr: 136ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) 137 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install 138else 139 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ 140 ARCH=$(ARCH) -C $(top_srcdir) headers_install 141endif 142 143all: khdr 144 @for TARGET in $(TARGETS); do \ 145 BUILD_TARGET=$$BUILD/$$TARGET; \ 146 mkdir $$BUILD_TARGET -p; \ 147 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 148 done; 149 150run_tests: all 151 @for TARGET in $(TARGETS); do \ 152 BUILD_TARGET=$$BUILD/$$TARGET; \ 153 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ 154 done; 155 156hotplug: 157 @for TARGET in $(TARGETS_HOTPLUG); do \ 158 BUILD_TARGET=$$BUILD/$$TARGET; \ 159 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\ 160 done; 161 162run_hotplug: hotplug 163 @for TARGET in $(TARGETS_HOTPLUG); do \ 164 BUILD_TARGET=$$BUILD/$$TARGET; \ 165 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ 166 done; 167 168clean_hotplug: 169 @for TARGET in $(TARGETS_HOTPLUG); do \ 170 BUILD_TARGET=$$BUILD/$$TARGET; \ 171 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 172 done; 173 174run_pstore_crash: 175 $(MAKE) -C pstore run_crash 176 177# Use $BUILD as the default install root. $BUILD points to the 178# right output location for the following cases: 179# 1. output_dir=kernel_src 180# 2. a separate output directory is specified using O= KBUILD_OUTPUT 181# 3. a separate output directory is specified using KBUILD_OUTPUT 182# Avoid conflict with INSTALL_PATH set by the main Makefile 183# 184KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install 185KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH)) 186# Avoid changing the rest of the logic here and lib.mk. 187INSTALL_PATH := $(KSFT_INSTALL_PATH) 188ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh 189 190install: all 191ifdef INSTALL_PATH 192 @# Ask all targets to install their files 193 mkdir -p $(INSTALL_PATH)/kselftest 194 install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ 195 install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ 196 @for TARGET in $(TARGETS); do \ 197 BUILD_TARGET=$$BUILD/$$TARGET; \ 198 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \ 199 done; 200 201 @# Ask all targets to emit their test scripts 202 echo "#!/bin/sh" > $(ALL_SCRIPT) 203 echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) 204 echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) 205 echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) 206 echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) 207 echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) 208 echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) 209 echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) 210 echo "fi" >> $(ALL_SCRIPT) 211 212 @# While building run_kselftest.sh skip also non-existent TARGET dirs: 213 @# they could be the result of a build failure and should NOT be 214 @# included in the generated runlist. 215 for TARGET in $(TARGETS); do \ 216 BUILD_TARGET=$$BUILD/$$TARGET; \ 217 [ ! -d $$INSTALL_PATH/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \ 218 echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ 219 echo "cd $$TARGET" >> $(ALL_SCRIPT); \ 220 echo -n "run_many" >> $(ALL_SCRIPT); \ 221 echo -n "Emit Tests for $$TARGET\n"; \ 222 $(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ 223 echo "" >> $(ALL_SCRIPT); \ 224 echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ 225 done; 226 227 chmod u+x $(ALL_SCRIPT) 228else 229 $(error Error: set INSTALL_PATH to use install) 230endif 231 232clean: 233 @for TARGET in $(TARGETS); do \ 234 BUILD_TARGET=$$BUILD/$$TARGET; \ 235 $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ 236 done; 237 238.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean 239