242 lines
8.0 KiB
Makefile
242 lines
8.0 KiB
Makefile
|
# 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
|
||
|
|
|
||
|
|
CXX ?= $(CROSS_COMPILE)g++
|
||
|
|
|
||
|
|
HOSTPKG_CONFIG := pkg-config
|
||
|
|
|
||
|
|
CFLAGS += -g -O0 -rdynamic -Wall -Werror -I$(OUTPUT)
|
||
|
|
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
|
||
|
|
|
||
|
|
# 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)
|
||
|
|
Q =
|
||
|
|
msg =
|
||
|
|
else
|
||
|
|
Q = @
|
||
|
|
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 $@
|
||
|
|
|
||
|
|
# LLVM's ld.lld doesn't support all the architectures, so use it only on x86
|
||
|
|
ifeq ($(SRCARCH),x86)
|
||
|
|
LLD := lld
|
||
|
|
else
|
||
|
|
LLD := ld
|
||
|
|
endif
|
||
|
|
|
||
|
|
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) $(MENDIAN) \
|
||
|
|
-I$(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)
|
||
|
|
$(call msg,CC,,$@)
|
||
|
|
$(Q)$(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)
|