tmk_core/tool/mbed/gcc.mk

   1 # based on Makefile exported form mbed.org
   2 # see http://mbed.org/handbook/Exporting-to-GCC-ARM-Embedded
   3
   4 GCC_BIN =
   5 AS      = $(GCC_BIN)arm-none-eabi-as
   6 CC      = $(GCC_BIN)arm-none-eabi-gcc
   7 CPP     = $(GCC_BIN)arm-none-eabi-g++
   8 LD      = $(GCC_BIN)arm-none-eabi-gcc
   9 OBJCOPY = $(GCC_BIN)arm-none-eabi-objcopy
  10 OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump
  11 SIZE    = $(GCC_BIN)arm-none-eabi-size
  12 CHKSUM  = $(TMK_DIR)/tool/mbed/lpc-vector-checksum
  13
  14 CC_FLAGS += \
  15         $(CPU) \
  16         -c \
  17         -g \
  18         -fno-common \
  19         -fmessage-length=0 \
  20         -Wall \
  21         -fno-exceptions \
  22         -ffunction-sections \
  23         -fdata-sections \
  24         -fomit-frame-pointer
  25 CC_FLAGS += -MMD -MP
  26
  27 LD_FLAGS = $(CPU) -Wl,--gc-sections --specs=nano.specs
  28 #LD_FLAGS += -u _printf_float -u _scanf_float
  29 LD_FLAGS += -Wl,-Map=$(OBJDIR)/$(PROJECT).map,--cref
  30 LD_SYS_LIBS = -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys
  31
  32 ifeq ($(DEBUG), 1)
  33   CC_FLAGS += -DDEBUG -O0
  34 else
  35   CC_FLAGS += -DNDEBUG -Os
  36 endif
  37
  38 all: $(OBJDIR)/$(PROJECT).bin $(OBJDIR)/$(PROJECT).hex
  39
  40 clean:
  41         rm -f $(OBJDIR)/$(PROJECT).bin $(OBJDIR)/$(PROJECT).elf $(OBJDIR)/$(PROJECT).hex $(OBJDIR)/$(PROJECT).map $(OBJDIR)/$(PROJECT).lst $(OBJECTS) $(DEPS)
  42         rm -fr $(OBJDIR)
  43
  44 $(OBJDIR)/%.o: %.s
  45         mkdir -p $(@D)
  46         $(AS) $(CPU) -o $@ $<
  47
  48 $(OBJDIR)/%.o: %.c
  49         mkdir -p $(@D)
  50         $(CC)  $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu99   $(INCLUDE_PATHS) -o $@ $<
  51
  52 $(OBJDIR)/%.o: %.cpp
  53         mkdir -p $(@D)
  54         $(CPP) $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu++98 -fno-rtti $(INCLUDE_PATHS) -o $@ $<
  55
  56
  57 $(OBJDIR)/$(PROJECT).elf: $(OBJECTS) $(SYS_OBJECTS)
  58         $(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ $(LIBRARIES) $(LD_SYS_LIBS) $(LIBRARIES) $(LD_SYS_LIBS)
  59         $(SIZE) $@
  60
  61 $(OBJDIR)/$(PROJECT).bin: $(OBJDIR)/$(PROJECT).elf
  62         @$(OBJCOPY) -O binary $< $@
  63 ifneq (,$(findstring TARGET_NXP,$(CC_SYMBOLS)))
  64         @echo
  65         @echo "For NXP writing vector checksum value into $@ ..."
  66         @$(CHKSUM) $@
  67         @echo
  68 endif
  69
  70 $(OBJDIR)/$(PROJECT).hex: $(OBJDIR)/$(PROJECT).elf
  71         @$(OBJCOPY) -O ihex $< $@
  72
  73 $(OBJDIR)/$(PROJECT).lst: $(OBJDIR)/$(PROJECT).elf
  74         @$(OBJDUMP) -Sdh $< > $@
  75
  76 lst: $(OBJDIR)/$(PROJECT).lst
  77
  78 size:
  79         $(SIZE) $(OBJDIR)/$(PROJECT).elf
  80
  81 prog:   $(OBJDIR)/$(PROJECT).bin
  82         @echo "Program..."
  83 ifneq ($(shell mount | grep 'CRP DISABLD'),)
  84         umount /dev/nxpisp >/dev/null 2>&1
  85 endif
  86         dd if=$< of=/dev/nxpisp seek=4
  87
  88 DEPS = $(OBJECTS:.o=.d) $(SYS_OBJECTS:.o=.d)
  89 -include $(DEPS)