| # SPDX-License-Identifier: GPL-2.0 | |
| # based on tools/testing/selftest/bpf/Makefile | |
| include ../../../build/Build.include | |
| include ../../../scripts/Makefile.arch | |
| include ../../../scripts/Makefile.include | |
| TEST_PROGS := hid-core.sh | |
| TEST_PROGS += hid-apple.sh | |
| TEST_PROGS += hid-gamepad.sh | |
| TEST_PROGS += hid-ite.sh | |
| TEST_PROGS += hid-keyboard.sh | |
| TEST_PROGS += hid-mouse.sh | |
| TEST_PROGS += hid-multitouch.sh | |
| TEST_PROGS += hid-sony.sh | |
| TEST_PROGS += hid-tablet.sh | |
| TEST_PROGS += hid-usb_crash.sh | |
| TEST_PROGS += hid-wacom.sh | |
| TEST_FILES := run-hid-tools-tests.sh | |
| TEST_FILES += tests | |
| CXX ?= $(CROSS_COMPILE)g++ | |
| HOSTPKG_CONFIG := pkg-config | |
| CFLAGS += -g -O0 -rdynamic -Wall -Werror -I$(OUTPUT) $(KHDR_INCLUDES) | |
| CFLAGS += -I$(OUTPUT)/tools/include | |
| LDLIBS += -lelf -lz -lrt -lpthread | |
| # Silence some warnings when compiled with clang | |
| ifneq ($(LLVM),) | |
| CFLAGS += -Wno-unused-command-line-argument | |
| endif | |
| # Order correspond to 'make run_tests' order | |
| TEST_GEN_PROGS = hid_bpf hidraw | |
| # Emit succinct information message describing current building step | |
| # $1 - generic step name (e.g., CC, LINK, etc); | |
| # $2 - optional "flavor" specifier; if provided, will be emitted as [flavor]; | |
| # $3 - target (assumed to be file); only file name will be emitted; | |
| # $4 - optional extra arg, emitted as-is, if provided. | |
| ifeq ($(V),1) | |
| msg = | |
| else | |
| msg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))"; | |
| MAKEFLAGS += --no-print-directory | |
| submake_extras := feature_display=0 | |
| endif | |
| # override lib.mk's default rules | |
| OVERRIDE_TARGETS := 1 | |
| override define CLEAN | |
| $(call msg,CLEAN) | |
| $(Q)$(RM) -r $(TEST_GEN_PROGS) | |
| $(Q)$(RM) -r $(EXTRA_CLEAN) | |
| endef | |
| include ../lib.mk | |
| TOOLSDIR := $(top_srcdir)/tools | |
| LIBDIR := $(TOOLSDIR)/lib | |
| BPFDIR := $(LIBDIR)/bpf | |
| TOOLSINCDIR := $(TOOLSDIR)/include | |
| BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool | |
| SCRATCH_DIR := $(OUTPUT)/tools | |
| BUILD_DIR := $(SCRATCH_DIR)/build | |
| INCLUDE_DIR := $(SCRATCH_DIR)/include | |
| BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a | |
| ifneq ($(CROSS_COMPILE),) | |
| HOST_BUILD_DIR := $(BUILD_DIR)/host | |
| HOST_SCRATCH_DIR := $(OUTPUT)/host-tools | |
| HOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR)/include | |
| else | |
| HOST_BUILD_DIR := $(BUILD_DIR) | |
| HOST_SCRATCH_DIR := $(SCRATCH_DIR) | |
| HOST_INCLUDE_DIR := $(INCLUDE_DIR) | |
| endif | |
| HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a | |
| RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids | |
| VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ | |
| $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ | |
| ../../../../vmlinux \ | |
| /sys/kernel/btf/vmlinux \ | |
| /boot/vmlinux-$(shell uname -r) | |
| VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) | |
| ifeq ($(VMLINUX_BTF),) | |
| $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") | |
| endif | |
| # Define simple and short `make test_progs`, `make test_sysctl`, etc targets | |
| # to build individual tests. | |
| # NOTE: Semicolon at the end is critical to override lib.mk's default static | |
| # rule for binaries. | |
| $(notdir $(TEST_GEN_PROGS)): %: $(OUTPUT)/% ; | |
| # sort removes libbpf duplicates when not cross-building | |
| MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ | |
| $(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids \ | |
| $(INCLUDE_DIR)) | |
| $(MAKE_DIRS): | |
| $(call msg,MKDIR,,$@) | |
| $(Q)mkdir -p $@ | |
| DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool | |
| TEST_GEN_PROGS_EXTENDED += $(DEFAULT_BPFTOOL) | |
| $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ) | |
| BPFTOOL ?= $(DEFAULT_BPFTOOL) | |
| $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ | |
| $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool | |
| $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ | |
| ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) \ | |
| EXTRA_CFLAGS='-g -O0' \ | |
| OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ | |
| LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \ | |
| LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/ \ | |
| prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin | |
| $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ | |
| | $(BUILD_DIR)/libbpf | |
| $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ | |
| EXTRA_CFLAGS='-g -O0' \ | |
| DESTDIR=$(SCRATCH_DIR) prefix= all install_headers | |
| ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) | |
| $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ | |
| | $(HOST_BUILD_DIR)/libbpf | |
| $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ | |
| EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE= \ | |
| OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \ | |
| DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers | |
| endif | |
| $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) | |
| ifeq ($(VMLINUX_H),) | |
| $(call msg,GEN,,$@) | |
| $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ | |
| else | |
| $(call msg,CP,,$@) | |
| $(Q)cp "$(VMLINUX_H)" $@ | |
| endif | |
| $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ | |
| $(TOOLSDIR)/bpf/resolve_btfids/main.c \ | |
| $(TOOLSDIR)/lib/rbtree.c \ | |
| $(TOOLSDIR)/lib/zalloc.c \ | |
| $(TOOLSDIR)/lib/string.c \ | |
| $(TOOLSDIR)/lib/ctype.c \ | |
| $(TOOLSDIR)/lib/str_error_r.c | |
| $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ | |
| CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \ | |
| LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \ | |
| OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) | |
| # Get Clang's default includes on this system, as opposed to those seen by | |
| # '--target=bpf'. This fixes "missing" files on some architectures/distros, | |
| # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. | |
| # | |
| # Use '-idirafter': Don't interfere with include mechanics except where the | |
| # build would have failed anyways. | |
| define get_sys_includes | |
| $(shell $(1) -v -E - </dev/null 2>&1 \ | |
| | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ | |
| $(shell $(1) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') | |
| endef | |
| # Determine target endianness. | |
| IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ | |
| grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') | |
| MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) | |
| CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) | |
| BPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ | |
| -Wno-microsoft-anon-tag \ | |
| -fms-extensions \ | |
| -I$(INCLUDE_DIR) | |
| CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ | |
| -Wno-compare-distinct-pointer-types | |
| # Build BPF object using Clang | |
| # $1 - input .c file | |
| # $2 - output .o file | |
| # $3 - CFLAGS | |
| define CLANG_BPF_BUILD_RULE | |
| $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) | |
| $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2 | |
| endef | |
| # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 | |
| define CLANG_NOALU32_BPF_BUILD_RULE | |
| $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) | |
| $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2 | |
| endef | |
| # Build BPF object using GCC | |
| define GCC_BPF_BUILD_RULE | |
| $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) | |
| $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2 | |
| endef | |
| BPF_PROGS_DIR := progs | |
| BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE | |
| BPF_SRCS := $(notdir $(wildcard $(BPF_PROGS_DIR)/*.c)) | |
| BPF_OBJS := $(patsubst %.c,$(OUTPUT)/%.bpf.o, $(BPF_SRCS)) | |
| BPF_SKELS := $(patsubst %.c,$(OUTPUT)/%.skel.h, $(BPF_SRCS)) | |
| TEST_GEN_FILES += $(BPF_OBJS) | |
| $(BPF_PROGS_DIR)-bpfobjs := y | |
| $(BPF_OBJS): $(OUTPUT)/%.bpf.o: \ | |
| $(BPF_PROGS_DIR)/%.c \ | |
| $(wildcard $(BPF_PROGS_DIR)/*.h) \ | |
| $(INCLUDE_DIR)/vmlinux.h \ | |
| $(wildcard $(BPFDIR)/hid_bpf_*.h) \ | |
| $(wildcard $(BPFDIR)/*.bpf.h) \ | |
| | $(OUTPUT) $(BPFOBJ) | |
| $(call $(BPF_BUILD_RULE),$<,$@, $(BPF_CFLAGS)) | |
| $(BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(OUTPUT) | |
| $(call msg,GEN-SKEL,$(BINARY),$@) | |
| $(Q)$(BPFTOOL) gen object $(<:.o=.linked1.o) $< | |
| $(Q)$(BPFTOOL) gen skeleton $(<:.o=.linked1.o) name $(notdir $(<:.bpf.o=)) > $@ | |
| $(OUTPUT)/%.o: %.c $(BPF_SKELS) hid_common.h | |
| $(call msg,CC,,$@) | |
| $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ | |
| $(OUTPUT)/%: $(OUTPUT)/%.o | |
| $(call msg,BINARY,,$@) | |
| $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ | |
| EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) feature bpftool \ | |
| $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32) |