examples/api/Makefile

   1 #
   2 # (C) Copyright 2007 Semihalf
   3 #
   4 # SPDX-License-Identifier:      GPL-2.0+
   5 #
   6
   7 # Provide symbol API_BUILD to signal that the API example is being built.
   8 KBUILD_CPPFLAGS += -DAPI_BUILD
   9
  10 ifeq ($(ARCH),powerpc)
  11 LOAD_ADDR = 0x40000
  12 endif
  13 ifeq ($(ARCH),arm)
  14 LOAD_ADDR = 0x1000000
  15 endif
  16 ifeq ($(ARCH),mips)
  17 ifdef CONFIG_64BIT
  18 LOAD_ADDR = 0xffffffff80200000
  19 else
  20 LOAD_ADDR = 0x80200000
  21 endif
  22 endif
  23
  24 # Resulting ELF and binary exectuables will be named demo and demo.bin
  25 extra-y = demo
  26
  27 # Source files located in the examples/api directory
  28 OBJ-y += crt0.o
  29 OBJ-y += demo.o
  30 OBJ-y += glue.o
  31 OBJ-y += libgenwrap.o
  32
  33 # Source files which exist outside the examples/api directory
  34 EXT_COBJ-y += lib/crc32.o
  35 EXT_COBJ-y += lib/ctype.o
  36 EXT_COBJ-y += lib/div64.o
  37 EXT_COBJ-y += lib/string.o
  38 EXT_COBJ-y += lib/time.o
  39 EXT_COBJ-y += lib/vsprintf.o
  40 EXT_COBJ-y += lib/charset.o
  41 EXT_COBJ-$(CONFIG_LIB_UUID) += lib/uuid.o
  42 EXT_SOBJ-$(CONFIG_PPC) += arch/powerpc/lib/ppcstring.o
  43 ifeq ($(ARCH),arm)
  44 EXT_SOBJ-$(CONFIG_USE_ARCH_MEMSET) += arch/arm/lib/memset.o
  45 endif
  46
  47 # Create a list of object files to be compiled
  48 OBJS := $(OBJ-y) $(notdir $(EXT_COBJ-y) $(EXT_SOBJ-y))
  49 targets += $(OBJS)
  50 OBJS := $(addprefix $(obj)/,$(OBJS))
  51
  52 #########################################################################
  53
  54 quiet_cmd_link_demo = LD      $@
  55 cmd_link_demo = $(LD) --gc-sections -Ttext $(LOAD_ADDR) -o $@ $(filter-out $(PHONY), $^) $(PLATFORM_LIBS)
  56
  57 $(obj)/demo: $(OBJS) FORCE
  58         $(call if_changed,link_demo)
  59
  60 # demo.bin is never genrated. Is this necessary?
  61 OBJCOPYFLAGS_demo.bin := -O binary
  62 $(obj)/demo.bin: $(obj)/demo FORCE
  63         $(call if_changed,objcopy)
  64
  65 # Rule to build generic library C files
  66 $(addprefix $(obj)/,$(notdir $(EXT_COBJ-y))): $(obj)/%.o: lib/%.c FORCE
  67         $(call cmd,force_checksrc)
  68         $(call if_changed_rule,cc_o_c)
  69
  70 # Rule to build architecture-specific library assembly files
  71 $(addprefix $(obj)/,$(notdir $(EXT_SOBJ-y))): $(obj)/%.o: arch/$(ARCH)/lib/%.S FORCE
  72         $(call if_changed_dep,as_o_S)