1dbb60c8aSBenjamin Tissoires# SPDX-License-Identifier: GPL-2.0 2dbb60c8aSBenjamin Tissoires 3dbb60c8aSBenjamin Tissoires# based on tools/testing/selftest/bpf/Makefile 4dbb60c8aSBenjamin Tissoiresinclude ../../../build/Build.include 5dbb60c8aSBenjamin Tissoiresinclude ../../../scripts/Makefile.arch 6dbb60c8aSBenjamin Tissoiresinclude ../../../scripts/Makefile.include 7dbb60c8aSBenjamin Tissoires 8ffb85d5cSBenjamin TissoiresTEST_PROGS := hid-core.sh 99898fa56SBenjamin TissoiresTEST_PROGS += hid-apple.sh 108837469aSBenjamin TissoiresTEST_PROGS += hid-gamepad.sh 11ff3b2228SBenjamin TissoiresTEST_PROGS += hid-ite.sh 12b2c4944eSBenjamin TissoiresTEST_PROGS += hid-keyboard.sh 13356888cbSBenjamin TissoiresTEST_PROGS += hid-mouse.sh 140bb3ed71SBenjamin TissoiresTEST_PROGS += hid-multitouch.sh 15a4ee40b6SBenjamin TissoiresTEST_PROGS += hid-sony.sh 160bb3ed71SBenjamin TissoiresTEST_PROGS += hid-tablet.sh 17bf81de76SBenjamin TissoiresTEST_PROGS += hid-usb_crash.sh 181dec39d4SBenjamin TissoiresTEST_PROGS += hid-wacom.sh 19ffb85d5cSBenjamin Tissoires 20dbb60c8aSBenjamin TissoiresCXX ?= $(CROSS_COMPILE)g++ 21dbb60c8aSBenjamin Tissoires 22dbb60c8aSBenjamin TissoiresHOSTPKG_CONFIG := pkg-config 23dbb60c8aSBenjamin Tissoires 24e9d48abbSBenjamin TissoiresCFLAGS += -g -O0 -rdynamic -Wall -Werror -I$(KHDR_INCLUDES) -I$(OUTPUT) 25dbb60c8aSBenjamin TissoiresLDLIBS += -lelf -lz -lrt -lpthread 26dbb60c8aSBenjamin Tissoires 27dbb60c8aSBenjamin Tissoires# Silence some warnings when compiled with clang 28dbb60c8aSBenjamin Tissoiresifneq ($(LLVM),) 29dbb60c8aSBenjamin TissoiresCFLAGS += -Wno-unused-command-line-argument 30dbb60c8aSBenjamin Tissoiresendif 31dbb60c8aSBenjamin Tissoires 32dbb60c8aSBenjamin Tissoires# Order correspond to 'make run_tests' order 33dbb60c8aSBenjamin TissoiresTEST_GEN_PROGS = hid_bpf 34dbb60c8aSBenjamin Tissoires 35dbb60c8aSBenjamin Tissoires# Emit succinct information message describing current building step 36dbb60c8aSBenjamin Tissoires# $1 - generic step name (e.g., CC, LINK, etc); 37dbb60c8aSBenjamin Tissoires# $2 - optional "flavor" specifier; if provided, will be emitted as [flavor]; 38dbb60c8aSBenjamin Tissoires# $3 - target (assumed to be file); only file name will be emitted; 39dbb60c8aSBenjamin Tissoires# $4 - optional extra arg, emitted as-is, if provided. 40dbb60c8aSBenjamin Tissoiresifeq ($(V),1) 41dbb60c8aSBenjamin TissoiresQ = 42dbb60c8aSBenjamin Tissoiresmsg = 43dbb60c8aSBenjamin Tissoireselse 44dbb60c8aSBenjamin TissoiresQ = @ 45dbb60c8aSBenjamin Tissoiresmsg = @printf ' %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))"; 46dbb60c8aSBenjamin TissoiresMAKEFLAGS += --no-print-directory 47dbb60c8aSBenjamin Tissoiressubmake_extras := feature_display=0 48dbb60c8aSBenjamin Tissoiresendif 49dbb60c8aSBenjamin Tissoires 50dbb60c8aSBenjamin Tissoires# override lib.mk's default rules 51dbb60c8aSBenjamin TissoiresOVERRIDE_TARGETS := 1 52dbb60c8aSBenjamin Tissoiresoverride define CLEAN 53dbb60c8aSBenjamin Tissoires $(call msg,CLEAN) 54dbb60c8aSBenjamin Tissoires $(Q)$(RM) -r $(TEST_GEN_PROGS) 55dbb60c8aSBenjamin Tissoires $(Q)$(RM) -r $(EXTRA_CLEAN) 56dbb60c8aSBenjamin Tissoiresendef 57dbb60c8aSBenjamin Tissoires 58dbb60c8aSBenjamin Tissoiresinclude ../lib.mk 59dbb60c8aSBenjamin Tissoires 60e9d48abbSBenjamin TissoiresTOOLSDIR := $(top_srcdir)/tools 61e9d48abbSBenjamin TissoiresLIBDIR := $(TOOLSDIR)/lib 62e9d48abbSBenjamin TissoiresBPFDIR := $(LIBDIR)/bpf 63e9d48abbSBenjamin TissoiresTOOLSINCDIR := $(TOOLSDIR)/include 64e9d48abbSBenjamin TissoiresBPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool 65dbb60c8aSBenjamin TissoiresSCRATCH_DIR := $(OUTPUT)/tools 66dbb60c8aSBenjamin TissoiresBUILD_DIR := $(SCRATCH_DIR)/build 67dbb60c8aSBenjamin TissoiresINCLUDE_DIR := $(SCRATCH_DIR)/include 68e9d48abbSBenjamin TissoiresKHDR_INCLUDES := $(SCRATCH_DIR)/uapi/include 69dbb60c8aSBenjamin TissoiresBPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a 70dbb60c8aSBenjamin Tissoiresifneq ($(CROSS_COMPILE),) 71dbb60c8aSBenjamin TissoiresHOST_BUILD_DIR := $(BUILD_DIR)/host 72dbb60c8aSBenjamin TissoiresHOST_SCRATCH_DIR := $(OUTPUT)/host-tools 73dbb60c8aSBenjamin TissoiresHOST_INCLUDE_DIR := $(HOST_SCRATCH_DIR)/include 74dbb60c8aSBenjamin Tissoireselse 75dbb60c8aSBenjamin TissoiresHOST_BUILD_DIR := $(BUILD_DIR) 76dbb60c8aSBenjamin TissoiresHOST_SCRATCH_DIR := $(SCRATCH_DIR) 77dbb60c8aSBenjamin TissoiresHOST_INCLUDE_DIR := $(INCLUDE_DIR) 78dbb60c8aSBenjamin Tissoiresendif 79dbb60c8aSBenjamin TissoiresHOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a 80dbb60c8aSBenjamin TissoiresRESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids 81dbb60c8aSBenjamin Tissoires 82dbb60c8aSBenjamin TissoiresVMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ 83dbb60c8aSBenjamin Tissoires $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ 84dbb60c8aSBenjamin Tissoires ../../../../vmlinux \ 85dbb60c8aSBenjamin Tissoires /sys/kernel/btf/vmlinux \ 86dbb60c8aSBenjamin Tissoires /boot/vmlinux-$(shell uname -r) 87dbb60c8aSBenjamin TissoiresVMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) 88dbb60c8aSBenjamin Tissoiresifeq ($(VMLINUX_BTF),) 89dbb60c8aSBenjamin Tissoires$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") 90dbb60c8aSBenjamin Tissoiresendif 91dbb60c8aSBenjamin Tissoires 92dbb60c8aSBenjamin Tissoires# Define simple and short `make test_progs`, `make test_sysctl`, etc targets 93dbb60c8aSBenjamin Tissoires# to build individual tests. 94dbb60c8aSBenjamin Tissoires# NOTE: Semicolon at the end is critical to override lib.mk's default static 95dbb60c8aSBenjamin Tissoires# rule for binaries. 96dbb60c8aSBenjamin Tissoires$(notdir $(TEST_GEN_PROGS)): %: $(OUTPUT)/% ; 97dbb60c8aSBenjamin Tissoires 98dbb60c8aSBenjamin Tissoires# sort removes libbpf duplicates when not cross-building 99dbb60c8aSBenjamin TissoiresMAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf \ 100dbb60c8aSBenjamin Tissoires $(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids \ 101dbb60c8aSBenjamin Tissoires $(INCLUDE_DIR)) 102dbb60c8aSBenjamin Tissoires$(MAKE_DIRS): 103dbb60c8aSBenjamin Tissoires $(call msg,MKDIR,,$@) 104dbb60c8aSBenjamin Tissoires $(Q)mkdir -p $@ 105dbb60c8aSBenjamin Tissoires 106dbb60c8aSBenjamin Tissoires# LLVM's ld.lld doesn't support all the architectures, so use it only on x86 107dbb60c8aSBenjamin Tissoiresifeq ($(SRCARCH),x86) 108dbb60c8aSBenjamin TissoiresLLD := lld 109dbb60c8aSBenjamin Tissoireselse 110dbb60c8aSBenjamin TissoiresLLD := ld 111dbb60c8aSBenjamin Tissoiresendif 112dbb60c8aSBenjamin Tissoires 113dbb60c8aSBenjamin TissoiresDEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool 114dbb60c8aSBenjamin Tissoires 115dbb60c8aSBenjamin TissoiresTEST_GEN_PROGS_EXTENDED += $(DEFAULT_BPFTOOL) 116dbb60c8aSBenjamin Tissoires 117dbb60c8aSBenjamin Tissoires$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ) 118dbb60c8aSBenjamin Tissoires 119dbb60c8aSBenjamin TissoiresBPFTOOL ?= $(DEFAULT_BPFTOOL) 120dbb60c8aSBenjamin Tissoires$(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ 121dbb60c8aSBenjamin Tissoires $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool 122dbb60c8aSBenjamin Tissoires $(Q)$(MAKE) $(submake_extras) -C $(BPFTOOLDIR) \ 123dbb60c8aSBenjamin Tissoires ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) \ 124dbb60c8aSBenjamin Tissoires EXTRA_CFLAGS='-g -O0' \ 125dbb60c8aSBenjamin Tissoires OUTPUT=$(HOST_BUILD_DIR)/bpftool/ \ 126dbb60c8aSBenjamin Tissoires LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \ 127dbb60c8aSBenjamin Tissoires LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/ \ 128dbb60c8aSBenjamin Tissoires prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin 129dbb60c8aSBenjamin Tissoires 130dbb60c8aSBenjamin Tissoires$(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 131dbb60c8aSBenjamin Tissoires | $(BUILD_DIR)/libbpf 132dbb60c8aSBenjamin Tissoires $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ 133dbb60c8aSBenjamin Tissoires EXTRA_CFLAGS='-g -O0' \ 134dbb60c8aSBenjamin Tissoires DESTDIR=$(SCRATCH_DIR) prefix= all install_headers 135dbb60c8aSBenjamin Tissoires 136dbb60c8aSBenjamin Tissoiresifneq ($(BPFOBJ),$(HOST_BPFOBJ)) 137dbb60c8aSBenjamin Tissoires$(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ 138dbb60c8aSBenjamin Tissoires | $(HOST_BUILD_DIR)/libbpf 139dbb60c8aSBenjamin Tissoires $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ 140dbb60c8aSBenjamin Tissoires EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE= \ 141dbb60c8aSBenjamin Tissoires OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \ 142dbb60c8aSBenjamin Tissoires DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers 143dbb60c8aSBenjamin Tissoiresendif 144dbb60c8aSBenjamin Tissoires 145dbb60c8aSBenjamin Tissoires$(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR) 146dbb60c8aSBenjamin Tissoiresifeq ($(VMLINUX_H),) 147dbb60c8aSBenjamin Tissoires $(call msg,GEN,,$@) 148dbb60c8aSBenjamin Tissoires $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ 149dbb60c8aSBenjamin Tissoireselse 150dbb60c8aSBenjamin Tissoires $(call msg,CP,,$@) 151dbb60c8aSBenjamin Tissoires $(Q)cp "$(VMLINUX_H)" $@ 152dbb60c8aSBenjamin Tissoiresendif 153dbb60c8aSBenjamin Tissoires 154e9d48abbSBenjamin Tissoires$(KHDR_INCLUDES)/linux/hid.h: $(top_srcdir)/include/uapi/linux/hid.h 155e9d48abbSBenjamin Tissoires $(MAKE) -C $(top_srcdir) INSTALL_HDR_PATH=$(SCRATCH_DIR)/uapi headers_install 156e9d48abbSBenjamin Tissoires 157dbb60c8aSBenjamin Tissoires$(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ 158dbb60c8aSBenjamin Tissoires $(TOOLSDIR)/bpf/resolve_btfids/main.c \ 159dbb60c8aSBenjamin Tissoires $(TOOLSDIR)/lib/rbtree.c \ 160dbb60c8aSBenjamin Tissoires $(TOOLSDIR)/lib/zalloc.c \ 161dbb60c8aSBenjamin Tissoires $(TOOLSDIR)/lib/string.c \ 162dbb60c8aSBenjamin Tissoires $(TOOLSDIR)/lib/ctype.c \ 163dbb60c8aSBenjamin Tissoires $(TOOLSDIR)/lib/str_error_r.c 164dbb60c8aSBenjamin Tissoires $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \ 165dbb60c8aSBenjamin Tissoires CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \ 166dbb60c8aSBenjamin Tissoires LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \ 167dbb60c8aSBenjamin Tissoires OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ) 168dbb60c8aSBenjamin Tissoires 169dbb60c8aSBenjamin Tissoires# Get Clang's default includes on this system, as opposed to those seen by 170*bbaf1ff0SFangrui Song# '--target=bpf'. This fixes "missing" files on some architectures/distros, 171dbb60c8aSBenjamin Tissoires# such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc. 172dbb60c8aSBenjamin Tissoires# 173dbb60c8aSBenjamin Tissoires# Use '-idirafter': Don't interfere with include mechanics except where the 174dbb60c8aSBenjamin Tissoires# build would have failed anyways. 175dbb60c8aSBenjamin Tissoiresdefine get_sys_includes 176dbb60c8aSBenjamin Tissoires$(shell $(1) -v -E - </dev/null 2>&1 \ 177dbb60c8aSBenjamin Tissoires | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \ 178dbb60c8aSBenjamin Tissoires$(shell $(1) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}') 179dbb60c8aSBenjamin Tissoiresendef 180dbb60c8aSBenjamin Tissoires 181dbb60c8aSBenjamin Tissoires# Determine target endianness. 182dbb60c8aSBenjamin TissoiresIS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \ 183dbb60c8aSBenjamin Tissoires grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__') 184dbb60c8aSBenjamin TissoiresMENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) 185dbb60c8aSBenjamin Tissoires 186dbb60c8aSBenjamin TissoiresCLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) 187dbb60c8aSBenjamin TissoiresBPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ 188e9d48abbSBenjamin Tissoires -I$(INCLUDE_DIR) 189dbb60c8aSBenjamin Tissoires 190dbb60c8aSBenjamin TissoiresCLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ 191dbb60c8aSBenjamin Tissoires -Wno-compare-distinct-pointer-types 192dbb60c8aSBenjamin Tissoires 193dbb60c8aSBenjamin Tissoires# Build BPF object using Clang 194dbb60c8aSBenjamin Tissoires# $1 - input .c file 195dbb60c8aSBenjamin Tissoires# $2 - output .o file 196dbb60c8aSBenjamin Tissoires# $3 - CFLAGS 197dbb60c8aSBenjamin Tissoiresdefine CLANG_BPF_BUILD_RULE 198dbb60c8aSBenjamin Tissoires $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 199*bbaf1ff0SFangrui Song $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2 200dbb60c8aSBenjamin Tissoiresendef 201dbb60c8aSBenjamin Tissoires# Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32 202dbb60c8aSBenjamin Tissoiresdefine CLANG_NOALU32_BPF_BUILD_RULE 203dbb60c8aSBenjamin Tissoires $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2) 204*bbaf1ff0SFangrui Song $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2 205dbb60c8aSBenjamin Tissoiresendef 206dbb60c8aSBenjamin Tissoires# Build BPF object using GCC 207dbb60c8aSBenjamin Tissoiresdefine GCC_BPF_BUILD_RULE 208dbb60c8aSBenjamin Tissoires $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2) 209dbb60c8aSBenjamin Tissoires $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2 210dbb60c8aSBenjamin Tissoiresendef 211dbb60c8aSBenjamin Tissoires 212dbb60c8aSBenjamin TissoiresBPF_PROGS_DIR := progs 213dbb60c8aSBenjamin TissoiresBPF_BUILD_RULE := CLANG_BPF_BUILD_RULE 214dbb60c8aSBenjamin TissoiresBPF_SRCS := $(notdir $(wildcard $(BPF_PROGS_DIR)/*.c)) 215dbb60c8aSBenjamin TissoiresBPF_OBJS := $(patsubst %.c,$(OUTPUT)/%.bpf.o, $(BPF_SRCS)) 216dbb60c8aSBenjamin TissoiresBPF_SKELS := $(patsubst %.c,$(OUTPUT)/%.skel.h, $(BPF_SRCS)) 217dbb60c8aSBenjamin TissoiresTEST_GEN_FILES += $(BPF_OBJS) 218dbb60c8aSBenjamin Tissoires 219dbb60c8aSBenjamin Tissoires$(BPF_PROGS_DIR)-bpfobjs := y 220dbb60c8aSBenjamin Tissoires$(BPF_OBJS): $(OUTPUT)/%.bpf.o: \ 221dbb60c8aSBenjamin Tissoires $(BPF_PROGS_DIR)/%.c \ 222dbb60c8aSBenjamin Tissoires $(wildcard $(BPF_PROGS_DIR)/*.h) \ 223dbb60c8aSBenjamin Tissoires $(INCLUDE_DIR)/vmlinux.h \ 224dbb60c8aSBenjamin Tissoires $(wildcard $(BPFDIR)/hid_bpf_*.h) \ 225dbb60c8aSBenjamin Tissoires $(wildcard $(BPFDIR)/*.bpf.h) \ 226dbb60c8aSBenjamin Tissoires | $(OUTPUT) $(BPFOBJ) 227dbb60c8aSBenjamin Tissoires $(call $(BPF_BUILD_RULE),$<,$@, $(BPF_CFLAGS)) 228dbb60c8aSBenjamin Tissoires 229dbb60c8aSBenjamin Tissoires$(BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(OUTPUT) 230dbb60c8aSBenjamin Tissoires $(call msg,GEN-SKEL,$(BINARY),$@) 231dbb60c8aSBenjamin Tissoires $(Q)$(BPFTOOL) gen object $(<:.o=.linked1.o) $< 232dbb60c8aSBenjamin Tissoires $(Q)$(BPFTOOL) gen skeleton $(<:.o=.linked1.o) name $(notdir $(<:.bpf.o=)) > $@ 233dbb60c8aSBenjamin Tissoires 234633ba3beSBenjamin Tissoires$(OUTPUT)/%.o: %.c $(BPF_SKELS) $(KHDR_INCLUDES)/linux/hid.h 235633ba3beSBenjamin Tissoires $(call msg,CC,,$@) 236633ba3beSBenjamin Tissoires $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@ 237633ba3beSBenjamin Tissoires 238633ba3beSBenjamin Tissoires$(OUTPUT)/%: $(OUTPUT)/%.o 239dbb60c8aSBenjamin Tissoires $(call msg,BINARY,,$@) 240dbb60c8aSBenjamin Tissoires $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ 241dbb60c8aSBenjamin Tissoires 242dbb60c8aSBenjamin TissoiresEXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) feature bpftool \ 243dbb60c8aSBenjamin Tissoires $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32) 244