tools/testing/selftests/hid/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 # based on tools/testing/selftest/bpf/Makefile
   4 include ../../../build/Build.include
   5 include ../../../scripts/Makefile.arch
   6 include ../../../scripts/Makefile.include
   7
   8 TEST_PROGS := hid-core.sh
   9 TEST_PROGS += hid-apple.sh
  10 TEST_PROGS += hid-gamepad.sh
  11 TEST_PROGS += hid-ite.sh
  12 TEST_PROGS += hid-keyboard.sh
  13 TEST_PROGS += hid-mouse.sh
  14 TEST_PROGS += hid-multitouch.sh
  15 TEST_PROGS += hid-sony.sh
  16 TEST_PROGS += hid-tablet.sh
  17 TEST_PROGS += hid-usb_crash.sh
  18 TEST_PROGS += hid-wacom.sh
  19
  20 TEST_FILES := run-hid-tools-tests.sh
  21 TEST_FILES += tests
  22
  23 CXX ?= $(CROSS_COMPILE)g++
  24
  25 HOSTPKG_CONFIG := pkg-config
  26
  27 CFLAGS += -g -O0 -rdynamic -Wall -Werror -I$(OUTPUT)
  28 CFLAGS += -I$(OUTPUT)/tools/include
  29
  30 LDLIBS += -lelf -lz -lrt -lpthread
  31
  32 # Silence some warnings when compiled with clang
  33 ifneq ($(LLVM),)
  34 CFLAGS += -Wno-unused-command-line-argument
  35 endif
  36
  37 # Order correspond to 'make run_tests' order
  38 TEST_GEN_PROGS = hid_bpf hidraw
  39
  40 # Emit succinct information message describing current building step
  41 # $1 - generic step name (e.g., CC, LINK, etc);
  42 # $2 - optional "flavor" specifier; if provided, will be emitted as [flavor];
  43 # $3 - target (assumed to be file); only file name will be emitted;
  44 # $4 - optional extra arg, emitted as-is, if provided.
  45 ifeq ($(V),1)
  46 Q =
  47 msg =
  48 else
  49 Q = @
  50 msg = @printf '  %-8s%s %s%s\n' "$(1)" "$(if $(2), [$(2)])" "$(notdir $(3))" "$(if $(4), $(4))";
  51 MAKEFLAGS += --no-print-directory
  52 submake_extras := feature_display=0
  53 endif
  54
  55 # override lib.mk's default rules
  56 OVERRIDE_TARGETS := 1
  57 override define CLEAN
  58         $(call msg,CLEAN)
  59         $(Q)$(RM) -r $(TEST_GEN_PROGS)
  60         $(Q)$(RM) -r $(EXTRA_CLEAN)
  61 endef
  62
  63 include ../lib.mk
  64
  65 TOOLSDIR := $(top_srcdir)/tools
  66 LIBDIR := $(TOOLSDIR)/lib
  67 BPFDIR := $(LIBDIR)/bpf
  68 TOOLSINCDIR := $(TOOLSDIR)/include
  69 BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool
  70 SCRATCH_DIR := $(OUTPUT)/tools
  71 BUILD_DIR := $(SCRATCH_DIR)/build
  72 INCLUDE_DIR := $(SCRATCH_DIR)/include
  73 BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a
  74 ifneq ($(CROSS_COMPILE),)
  75 HOST_BUILD_DIR          := $(BUILD_DIR)/host
  76 HOST_SCRATCH_DIR        := $(OUTPUT)/host-tools
  77 HOST_INCLUDE_DIR        := $(HOST_SCRATCH_DIR)/include
  78 else
  79 HOST_BUILD_DIR          := $(BUILD_DIR)
  80 HOST_SCRATCH_DIR        := $(SCRATCH_DIR)
  81 HOST_INCLUDE_DIR        := $(INCLUDE_DIR)
  82 endif
  83 HOST_BPFOBJ := $(HOST_BUILD_DIR)/libbpf/libbpf.a
  84 RESOLVE_BTFIDS := $(HOST_BUILD_DIR)/resolve_btfids/resolve_btfids
  85
  86 VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux)                            \
  87                      $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)    \
  88                      ../../../../vmlinux                                \
  89                      /sys/kernel/btf/vmlinux                            \
  90                      /boot/vmlinux-$(shell uname -r)
  91 VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
  92 ifeq ($(VMLINUX_BTF),)
  93 $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
  94 endif
  95
  96 # Define simple and short `make test_progs`, `make test_sysctl`, etc targets
  97 # to build individual tests.
  98 # NOTE: Semicolon at the end is critical to override lib.mk's default static
  99 # rule for binaries.
 100 $(notdir $(TEST_GEN_PROGS)): %: $(OUTPUT)/% ;
 101
 102 # sort removes libbpf duplicates when not cross-building
 103 MAKE_DIRS := $(sort $(BUILD_DIR)/libbpf $(HOST_BUILD_DIR)/libbpf                \
 104                $(HOST_BUILD_DIR)/bpftool $(HOST_BUILD_DIR)/resolve_btfids       \
 105                $(INCLUDE_DIR))
 106 $(MAKE_DIRS):
 107         $(call msg,MKDIR,,$@)
 108         $(Q)mkdir -p $@
 109
 110 # LLVM's ld.lld doesn't support all the architectures, so use it only on x86
 111 ifeq ($(SRCARCH),x86)
 112 LLD := lld
 113 else
 114 LLD := ld
 115 endif
 116
 117 DEFAULT_BPFTOOL := $(HOST_SCRATCH_DIR)/sbin/bpftool
 118
 119 TEST_GEN_PROGS_EXTENDED += $(DEFAULT_BPFTOOL)
 120
 121 $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(BPFOBJ)
 122
 123 BPFTOOL ?= $(DEFAULT_BPFTOOL)
 124 $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile)    \
 125                     $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/bpftool
 126         $(Q)$(MAKE) $(submake_extras)  -C $(BPFTOOLDIR)                        \
 127                     ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD)             \
 128                     EXTRA_CFLAGS='-g -O0'                                      \
 129                     OUTPUT=$(HOST_BUILD_DIR)/bpftool/                          \
 130                     LIBBPF_OUTPUT=$(HOST_BUILD_DIR)/libbpf/                    \
 131                     LIBBPF_DESTDIR=$(HOST_SCRATCH_DIR)/                        \
 132                     prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin
 133
 134 $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile)                     \
 135            | $(BUILD_DIR)/libbpf
 136         $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
 137                     EXTRA_CFLAGS='-g -O0'                                      \
 138                     DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
 139
 140 ifneq ($(BPFOBJ),$(HOST_BPFOBJ))
 141 $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile)                \
 142                 | $(HOST_BUILD_DIR)/libbpf
 143         $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR)                             \
 144                     EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE=                 \
 145                     OUTPUT=$(HOST_BUILD_DIR)/libbpf/ CC=$(HOSTCC) LD=$(HOSTLD) \
 146                     DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers
 147 endif
 148
 149 $(INCLUDE_DIR)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) | $(INCLUDE_DIR)
 150 ifeq ($(VMLINUX_H),)
 151         $(call msg,GEN,,$@)
 152         $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@
 153 else
 154         $(call msg,CP,,$@)
 155         $(Q)cp "$(VMLINUX_H)" $@
 156 endif
 157
 158 $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids    \
 159                        $(TOOLSDIR)/bpf/resolve_btfids/main.c    \
 160                        $(TOOLSDIR)/lib/rbtree.c                 \
 161                        $(TOOLSDIR)/lib/zalloc.c                 \
 162                        $(TOOLSDIR)/lib/string.c                 \
 163                        $(TOOLSDIR)/lib/ctype.c                  \
 164                        $(TOOLSDIR)/lib/str_error_r.c
 165         $(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/resolve_btfids \
 166                 CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) \
 167                 LIBBPF_INCLUDE=$(HOST_INCLUDE_DIR) \
 168                 OUTPUT=$(HOST_BUILD_DIR)/resolve_btfids/ BPFOBJ=$(HOST_BPFOBJ)
 169
 170 # Get Clang's default includes on this system, as opposed to those seen by
 171 # '--target=bpf'. This fixes "missing" files on some architectures/distros,
 172 # such as asm/byteorder.h, asm/socket.h, asm/sockios.h, sys/cdefs.h etc.
 173 #
 174 # Use '-idirafter': Don't interfere with include mechanics except where the
 175 # build would have failed anyways.
 176 define get_sys_includes
 177 $(shell $(1) -v -E - </dev/null 2>&1 \
 178         | sed -n '/<...> search starts here:/,/End of search list./{ s| \(/.*\)|-idirafter \1|p }') \
 179 $(shell $(1) -dM -E - </dev/null | grep '__riscv_xlen ' | awk '{printf("-D__riscv_xlen=%d -D__BITS_PER_LONG=%d", $$3, $$3)}')
 180 endef
 181
 182 # Determine target endianness.
 183 IS_LITTLE_ENDIAN = $(shell $(CC) -dM -E - </dev/null | \
 184                         grep 'define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__')
 185 MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
 186
 187 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
 188 BPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN)           \
 189              -I$(INCLUDE_DIR)
 190
 191 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
 192                -Wno-compare-distinct-pointer-types
 193
 194 # Build BPF object using Clang
 195 # $1 - input .c file
 196 # $2 - output .o file
 197 # $3 - CFLAGS
 198 define CLANG_BPF_BUILD_RULE
 199         $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
 200         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v3 -o $2
 201 endef
 202 # Similar to CLANG_BPF_BUILD_RULE, but with disabled alu32
 203 define CLANG_NOALU32_BPF_BUILD_RULE
 204         $(call msg,CLNG-BPF,$(TRUNNER_BINARY),$2)
 205         $(Q)$(CLANG) $3 -O2 --target=bpf -c $1 -mcpu=v2 -o $2
 206 endef
 207 # Build BPF object using GCC
 208 define GCC_BPF_BUILD_RULE
 209         $(call msg,GCC-BPF,$(TRUNNER_BINARY),$2)
 210         $(Q)$(BPF_GCC) $3 -O2 -c $1 -o $2
 211 endef
 212
 213 BPF_PROGS_DIR := progs
 214 BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
 215 BPF_SRCS := $(notdir $(wildcard $(BPF_PROGS_DIR)/*.c))
 216 BPF_OBJS := $(patsubst %.c,$(OUTPUT)/%.bpf.o, $(BPF_SRCS))
 217 BPF_SKELS := $(patsubst %.c,$(OUTPUT)/%.skel.h, $(BPF_SRCS))
 218 TEST_GEN_FILES += $(BPF_OBJS)
 219
 220 $(BPF_PROGS_DIR)-bpfobjs := y
 221 $(BPF_OBJS): $(OUTPUT)/%.bpf.o:                         \
 222              $(BPF_PROGS_DIR)/%.c                       \
 223              $(wildcard $(BPF_PROGS_DIR)/*.h)           \
 224              $(INCLUDE_DIR)/vmlinux.h                           \
 225              $(wildcard $(BPFDIR)/hid_bpf_*.h)                  \
 226              $(wildcard $(BPFDIR)/*.bpf.h)                      \
 227              | $(OUTPUT) $(BPFOBJ)
 228         $(call $(BPF_BUILD_RULE),$<,$@, $(BPF_CFLAGS))
 229
 230 $(BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(OUTPUT)
 231         $(call msg,GEN-SKEL,$(BINARY),$@)
 232         $(Q)$(BPFTOOL) gen object $(<:.o=.linked1.o) $<
 233         $(Q)$(BPFTOOL) gen skeleton $(<:.o=.linked1.o) name $(notdir $(<:.bpf.o=)) > $@
 234
 235 $(OUTPUT)/%.o: %.c $(BPF_SKELS) hid_common.h
 236         $(call msg,CC,,$@)
 237         $(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
 238
 239 $(OUTPUT)/%: $(OUTPUT)/%.o
 240         $(call msg,BINARY,,$@)
 241         $(Q)$(LINK.c) $^ $(LDLIBS) -o $@
 242
 243 EXTRA_CLEAN := $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) feature bpftool       \
 244         $(addprefix $(OUTPUT)/,*.o *.skel.h no_alu32)