# SPDX-License-Identifier: GPL-2.0 TARGETS = android TARGETS += bpf TARGETS += breakpoints TARGETS += capabilities TARGETS += cgroup TARGETS += cpufreq TARGETS += cpu-hotplug TARGETS += drivers/dma-buf TARGETS += efivarfs TARGETS += exec TARGETS += filesystems TARGETS += filesystems/binderfs TARGETS += firmware TARGETS += ftrace TARGETS += futex TARGETS += gpio TARGETS += intel_pstate TARGETS += ipc TARGETS += ir TARGETS += kcmp TARGETS += kexec TARGETS += kvm TARGETS += lib TARGETS += livepatch TARGETS += membarrier TARGETS += memfd TARGETS += memory-hotplug TARGETS += mount TARGETS += mqueue TARGETS += net TARGETS += netfilter TARGETS += networking/timestamping TARGETS += nsfs TARGETS += pidfd TARGETS += powerpc TARGETS += proc TARGETS += pstore TARGETS += ptrace TARGETS += rseq TARGETS += rtc TARGETS += seccomp TARGETS += sigaltstack TARGETS += size TARGETS += sparc64 TARGETS += splice TARGETS += static_keys TARGETS += sync TARGETS += sysctl ifneq (1, $(quicktest)) TARGETS += timers endif TARGETS += tmpfs TARGETS += tpm2 TARGETS += user TARGETS += vm TARGETS += x86 TARGETS += zram #Please keep the TARGETS list alphabetically sorted # Run "make quicktest=1 run_tests" or # "make quicktest=1 kselftest" from top level Makefile TARGETS_HOTPLUG = cpu-hotplug TARGETS_HOTPLUG += memory-hotplug # Clear LDFLAGS and MAKEFLAGS if called from main # Makefile to avoid test build failures when test # Makefile doesn't have explicit build rules. ifeq (1,$(MAKELEVEL)) override LDFLAGS = override MAKEFLAGS = endif # Append kselftest to KBUILD_OUTPUT to avoid cluttering # KBUILD_OUTPUT with selftest objects and headers installed # by selftests Makefile or lib.mk. ifdef building_out_of_srctree override LDFLAGS = endif ifneq ($(O),) BUILD := $(O) else ifneq ($(KBUILD_OUTPUT),) BUILD := $(KBUILD_OUTPUT)/kselftest else BUILD := $(shell pwd) DEFAULT_INSTALL_HDR_PATH := 1 endif endif # Prepare for headers install top_srcdir ?= ../../.. include $(top_srcdir)/scripts/subarch.include ARCH ?= $(SUBARCH) export KSFT_KHDR_INSTALL_DONE := 1 export BUILD # build and run gpio when output directory is the src dir. # gpio has dependency on tools/gpio and builds tools/gpio # objects in the src directory in all cases making the src # repo dirty even when objects are relocated. ifneq (1,$(DEFAULT_INSTALL_HDR_PATH)) TMP := $(filter-out gpio, $(TARGETS)) TARGETS := $(TMP) endif # set default goal to all, so make without a target runs all, even when # all isn't the first target in the file. .DEFAULT_GOAL := all # Install headers here once for all tests. KSFT_KHDR_INSTALL_DONE # is used to avoid running headers_install from lib.mk. # Invoke headers install with --no-builtin-rules to avoid circular # dependency in "make kselftest" case. In this case, second level # make inherits builtin-rules which will use the rule generate # Makefile.o and runs into # "Circular Makefile.o <- prepare dependency dropped." # and headers_install fails and test compile fails. # # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile # invokes them as sub-makes and --no-builtin-rules is not necessary, # but doesn't cause any failures. Keep it simple and use the same # flags in both cases. # Local build cases: "make kselftest", "make -C" - headers are installed # in the default INSTALL_HDR_PATH usr/include. khdr: ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install else make --no-builtin-rules INSTALL_HDR_PATH=$$BUILD/usr \ ARCH=$(ARCH) -C $(top_srcdir) headers_install endif all: khdr @for TARGET in $(TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ mkdir $$BUILD_TARGET -p; \ make OUTPUT=$$BUILD_TARGET -C $$TARGET;\ done; run_tests: all @for TARGET in $(TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ make OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ done; hotplug: @for TARGET in $(TARGETS_HOTPLUG); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ make OUTPUT=$$BUILD_TARGET -C $$TARGET;\ done; run_hotplug: hotplug @for TARGET in $(TARGETS_HOTPLUG); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ make OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\ done; clean_hotplug: @for TARGET in $(TARGETS_HOTPLUG); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ make OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ done; run_pstore_crash: make -C pstore run_crash # Use $BUILD as the default install root. $BUILD points to the # right output location for the following cases: # 1. output_dir=kernel_src # 2. a separate output directory is specified using O= KBUILD_OUTPUT # 3. a separate output directory is specified using KBUILD_OUTPUT # INSTALL_PATH ?= $(BUILD)/install INSTALL_PATH := $(abspath $(INSTALL_PATH)) ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh install: all ifdef INSTALL_PATH @# Ask all targets to install their files mkdir -p $(INSTALL_PATH)/kselftest install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/ install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/ @for TARGET in $(TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ make OUTPUT=$$BUILD_TARGET -C $$TARGET INSTALL_PATH=$(INSTALL_PATH)/$$TARGET install; \ done; @# Ask all targets to emit their test scripts echo "#!/bin/sh" > $(ALL_SCRIPT) echo "BASE_DIR=\$$(realpath \$$(dirname \$$0))" >> $(ALL_SCRIPT) echo "cd \$$BASE_DIR" >> $(ALL_SCRIPT) echo ". ./kselftest/runner.sh" >> $(ALL_SCRIPT) echo "ROOT=\$$PWD" >> $(ALL_SCRIPT) echo "if [ \"\$$1\" = \"--summary\" ]; then" >> $(ALL_SCRIPT) echo " logfile=\$$BASE_DIR/output.log" >> $(ALL_SCRIPT) echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT) echo "fi" >> $(ALL_SCRIPT) for TARGET in $(TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \ echo "cd $$TARGET" >> $(ALL_SCRIPT); \ echo -n "run_many" >> $(ALL_SCRIPT); \ make -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \ echo "" >> $(ALL_SCRIPT); \ echo "cd \$$ROOT" >> $(ALL_SCRIPT); \ done; chmod u+x $(ALL_SCRIPT) else $(error Error: set INSTALL_PATH to use install) endif clean: @for TARGET in $(TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ make OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ done; .PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean