184f887bfSMichael Ellerman# This mimics the top-level Makefile. We do it explicitly here so that this 284f887bfSMichael Ellerman# Makefile can operate with or without the kbuild infrastructure. 326e6dd10SYonghong Songifneq ($(LLVM),) 4e9c28192SNathan Chancellorifneq ($(filter %/,$(LLVM)),) 5e9c28192SNathan ChancellorLLVM_PREFIX := $(LLVM) 6e9c28192SNathan Chancellorelse ifneq ($(filter -%,$(LLVM)),) 7e9c28192SNathan ChancellorLLVM_SUFFIX := $(LLVM) 8e9c28192SNathan Chancellorendif 9e9c28192SNathan Chancellor 102d43d30aSValentin ObstCLANG := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) 112d43d30aSValentin Obst 12795285efSMark BrownCLANG_TARGET_FLAGS_arm := arm-linux-gnueabi 13795285efSMark BrownCLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu 14795285efSMark BrownCLANG_TARGET_FLAGS_hexagon := hexagon-linux-musl 15624c60f3SGuillaume TuckerCLANG_TARGET_FLAGS_i386 := i386-linux-gnu 16795285efSMark BrownCLANG_TARGET_FLAGS_m68k := m68k-linux-gnu 17795285efSMark BrownCLANG_TARGET_FLAGS_mips := mipsel-linux-gnu 18795285efSMark BrownCLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu 19795285efSMark BrownCLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu 20795285efSMark BrownCLANG_TARGET_FLAGS_s390 := s390x-linux-gnu 21795285efSMark BrownCLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu 22624c60f3SGuillaume TuckerCLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu 232d43d30aSValentin Obst 242d43d30aSValentin Obst# Default to host architecture if ARCH is not explicitly given. 252d43d30aSValentin Obstifeq ($(ARCH),) 262d43d30aSValentin ObstCLANG_TARGET_FLAGS := $(shell $(CLANG) -print-target-triple) 272d43d30aSValentin Obstelse 28795285efSMark BrownCLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) 292d43d30aSValentin Obstendif 30795285efSMark Brown 31795285efSMark Brownifeq ($(CROSS_COMPILE),) 32795285efSMark Brownifeq ($(CLANG_TARGET_FLAGS),) 339fdaca2cSMark Brown$(error Specify CROSS_COMPILE or add '--target=' option to lib.mk) 34795285efSMark Brownelse 35795285efSMark BrownCLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) 36795285efSMark Brownendif # CLANG_TARGET_FLAGS 37795285efSMark Brownelse 38795285efSMark BrownCLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) 39795285efSMark Brownendif # CROSS_COMPILE 40795285efSMark Brown 412d43d30aSValentin ObstCC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as 4226e6dd10SYonghong Songelse 4384f887bfSMichael EllermanCC := $(CROSS_COMPILE)gcc 44795285efSMark Brownendif # LLVM 4584f887bfSMichael Ellerman 46e53aff45SShuah Khanifeq (0,$(MAKELEVEL)) 4727d79a2bSShuah Khan ifeq ($(OUTPUT),) 48e53aff45SShuah Khan OUTPUT := $(shell pwd) 498ce72dc3SShuah Khan DEFAULT_INSTALL_HDR_PATH := 1 508ce72dc3SShuah Khan endif 518ce72dc3SShuah Khanendif 5242d46e57SKees Cookselfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST)))) 53bdbf0617SAxel Rasmussentop_srcdir = $(selfdir)/../../.. 54e53aff45SShuah Khan 55d228e98dSJohn Hubbardifeq ($(KHDR_INCLUDES),) 56d228e98dSJohn HubbardKHDR_INCLUDES := -isystem $(top_srcdir)/usr/include 57a5254052SMickaël Salaünendif 58a5254052SMickaël Salaün 59be16a244SShuah Khan# The following are built by lib.mk common compile rules. 60be16a244SShuah Khan# TEST_CUSTOM_PROGS should be used by tests that require 61be16a244SShuah Khan# custom build rule and prevent common build rule use. 62be16a244SShuah Khan# TEST_PROGS are for test shell scripts. 63be16a244SShuah Khan# TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests 64be16a244SShuah Khan# and install targets. Common clean doesn't touch them. 65d83c3ba0SMichael EllermanTEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS)) 668050ef2bSShuah KhanTEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED)) 67d83c3ba0SMichael EllermanTEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES)) 68d83c3ba0SMichael Ellerman 69d228e98dSJohn Hubbardall: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) 70b2d35fa5SAnders Roxell 717afed3dcSShuah Khan (Samsung OSG)define RUN_TESTS 7299aacebeSYauheni Kaliuta BASE_DIR="$(selfdir)"; \ 735c069b6dSKees Cook . $(selfdir)/kselftest/runner.sh; \ 7442d46e57SKees Cook if [ "X$(summary)" != "X" ]; then \ 75bf660782SKees Cook per_test_logging=1; \ 7642d46e57SKees Cook fi; \ 77bf660782SKees Cook run_many $(1) 785e29a910SMichael Ellermanendef 795e29a910SMichael Ellerman 805e29a910SMichael Ellermanrun_tests: all 81051f278eSMasahiro Yamadaifdef building_out_of_srctree 8299aacebeSYauheni Kaliuta @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \ 833f3f3841SBjörn Töpel rsync -aq --copy-unsafe-links $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \ 841a940687SShuah Khan fi 8599aacebeSYauheni Kaliuta @if [ "X$(TEST_PROGS)" != "X" ]; then \ 86cb4969e6SIlya Leoshkevich $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \ 87cb4969e6SIlya Leoshkevich $(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \ 8899aacebeSYauheni Kaliuta else \ 8999aacebeSYauheni Kaliuta $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)); \ 901a940687SShuah Khan fi 911a940687SShuah Khanelse 9299aacebeSYauheni Kaliuta @$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS)) 931a940687SShuah Khanendif 945e29a910SMichael Ellerman 95c363eb48SJiri Bencdefine INSTALL_SINGLE_RULE 96c363eb48SJiri Benc $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH)) 973f3f3841SBjörn Töpel $(if $(INSTALL_LIST),rsync -a --copy-unsafe-links $(INSTALL_LIST) $(INSTALL_PATH)/) 98c363eb48SJiri Bencendef 99c363eb48SJiri Benc 10032dcfba6SMichael Ellermandefine INSTALL_RULE 101c363eb48SJiri Benc $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE) 102c363eb48SJiri Benc $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) 103c363eb48SJiri Benc $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE) 104c363eb48SJiri Benc $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE) 105c363eb48SJiri Benc $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE) 106c363eb48SJiri Benc $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) 107c363eb48SJiri Benc $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE) 108de53fa9bSKees Cook $(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE) 10932dcfba6SMichael Ellermanendef 11032dcfba6SMichael Ellerman 11132dcfba6SMichael Ellermaninstall: all 11232dcfba6SMichael Ellermanifdef INSTALL_PATH 11332dcfba6SMichael Ellerman $(INSTALL_RULE) 11432dcfba6SMichael Ellermanelse 11532dcfba6SMichael Ellerman $(error Error: set INSTALL_PATH to use install) 11632dcfba6SMichael Ellermanendif 11732dcfba6SMichael Ellerman 118d4e59a53SKees Cookemit_tests: 1193df6131fSShuah Khan (Samsung OSG) for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \ 120a8ba798bSbamvor.zhangjian@huawei.com BASENAME_TEST=`basename $$TEST`; \ 121f0f0a5dfSKees Cook echo "$(COLLECTION):$$BASENAME_TEST"; \ 122f0f0a5dfSKees Cook done 12332dcfba6SMichael Ellerman 1248050ef2bSShuah Khan# define if isn't already. It is undefined in make O= case. 1258050ef2bSShuah Khanifeq ($(RM),) 1268050ef2bSShuah KhanRM := rm -f 1278050ef2bSShuah Khanendif 1288050ef2bSShuah Khan 129df6438f9SShuah Khandefine CLEAN 13080d443e8Sbamvor.zhangjian@huawei.com $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) 131df6438f9SShuah Khanendef 132df6438f9SShuah Khan 133df6438f9SShuah Khanclean: 134df6438f9SShuah Khan $(CLEAN) 13588baa78dSbamvor.zhangjian@huawei.com 136de3ee3f6SMickaël Salaün# Enables to extend CFLAGS and LDFLAGS from command line, e.g. 137de3ee3f6SMickaël Salaün# make USERCFLAGS=-Werror USERLDFLAGS=-static 138de3ee3f6SMickaël SalaünCFLAGS += $(USERCFLAGS) 139de3ee3f6SMickaël SalaünLDFLAGS += $(USERLDFLAGS) 140de3ee3f6SMickaël Salaün 1418050ef2bSShuah Khan# When make O= with kselftest target from main level 1428050ef2bSShuah Khan# the following aren't defined. 1438050ef2bSShuah Khan# 144051f278eSMasahiro Yamadaifdef building_out_of_srctree 1458050ef2bSShuah KhanLINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) 1468050ef2bSShuah KhanCOMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c 1478050ef2bSShuah KhanLINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) 1488050ef2bSShuah Khanendif 1498050ef2bSShuah Khan 1504e49ed2fSMathieu Desnoyers# Selftest makefiles can override those targets by setting 1514e49ed2fSMathieu Desnoyers# OVERRIDE_TARGETS = 1. 1524e49ed2fSMathieu Desnoyersifeq ($(OVERRIDE_TARGETS),) 153a738a4ceSAnders RoxellLOCAL_HDRS += $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h 1541056d3d2SShuah Khan$(OUTPUT)/%:%.c $(LOCAL_HDRS) 155f825d3f7STommi Rantala $(LINK.c) $(filter-out $(LOCAL_HDRS),$^) $(LDLIBS) -o $@ 156a8ba798bSbamvor.zhangjian@huawei.com 157a8ba798bSbamvor.zhangjian@huawei.com$(OUTPUT)/%.o:%.S 158634ce97cSMichael Ellerman $(COMPILE.S) $^ -o $@ 159a8ba798bSbamvor.zhangjian@huawei.com 160a8ba798bSbamvor.zhangjian@huawei.com$(OUTPUT)/%:%.S 161634ce97cSMichael Ellerman $(LINK.S) $^ $(LDLIBS) -o $@ 1624e49ed2fSMathieu Desnoyersendif 1637d758af2Sbamvor.zhangjian@huawei.com 16432dcfba6SMichael Ellerman.PHONY: run_tests all clean install emit_tests 165