makefile

Spearhead2000的bootloader

###############################################################################
###############################################################################
##############################################################################
# Makefile (AV)

SRC = .
RUN_SRC = ../../runtime
INCLUDE     = ../../include
OBJ = ./obj
                                                                                                                             
CROSS_COMPILE = arm-linux-
CC      = $(CROSS_COMPILE)gcc
LD      = $(CROSS_COMPILE)ld
ARM_OBJCOPY     =  $(CROSS_COMPILE)objcopy
                                                                                                                             
ARM_DIR  =  /sw/arm/ELDK-4.0
ARMEXE   =  $(ARM_DIR)/usr/bin
ARMLIB   =  $(ARM_DIR)/arm/lib
ARMUSRLIB       = $(ARM_DIR)/arm/usr/lib
                                                                                                                             
                                                                                                                             
ARMASMFLAGS     = -Wa,-gstabs -g -I $(INCLUDE) -I $(SRC) -I $(RUN_SRC) -mlittle-endian -march=armv5 \
                   -pipe  -march=armv5 -mabi=apcs-gnu
ARMCFLAGS       = -mabi=apcs-gnu -mlittle-endian -march=armv5 -I $(INCLUDE) -g  -fno-builtin -ffreestanding -nostdinc \
                  -I $(SRC) -I $(RUN_SRC) $(C_DEFS) -Wall -finline-functions
ARMLINKFLAGS    = -T spearhead.lds  -L ${ARMLIB} -L ${ARMUSRLIB}

spearhead_SRC_FILES = \
		    $(SRC)/init.S \
		    $(RUN_SRC)/mpmc_pl175.S \
		    $(RUN_SRC)/int.c \
                    $(RUN_SRC)/uart.c \
                    $(RUN_SRC)/gp_timers.c \
                    $(RUN_SRC)/gpio.c \
		    $(RUN_SRC)/udc_ahb.c \
		    $(RUN_SRC)/uhc_ahb.c \
		    $(RUN_SRC)/kalloc.c \
		    $(SRC)/main.c

spearhead_OBJ_FILES = \
                    $(OBJ)/init.o \
                    $(OBJ)/mpmc_pl175.o \
		    $(OBJ)/int.o \
		    $(OBJ)/uart.o \
		    $(OBJ)/gp_timers.o \
		    $(OBJ)/gpio.o \
		    $(OBJ)/udc_ahb.o \
		    $(OBJ)/uhc_ahb.o \
		    $(OBJ)/kalloc.o \
                    $(OBJ)/main.o 

###############################################################################


spearhead: $(OBJ)/spearhead.bin $(spearhead_OBJ_FILES) $(spearhead_SRC_FILES)
	mkdir -p $(OBJ)
	echo Bhavna In SPEArHead
	cp $(OBJ)/spearhead.elf . 
%.bin: %.elf $(spearhead_OBJ_FILES) $(spearhead_SRC_FILES)
	mkdir -p $(OBJ)
	echo make: Generating spearhead.bin
	$(ARM_OBJCOPY) --gap-fill=0xff -O srec $(OBJ)/spearhead.elf $(OBJ)/spearhead.srec
	$(ARM_OBJCOPY) --gap-fill=0xff -O binary $(OBJ)/spearhead.elf $(OBJ)/spearhead.bin

%.elf: $(spearhead_OBJ_FILES)  $(spearhead_SRC_FILES)
	mkdir -p $(OBJ)
	$(ARMEXE)/$(LD) $(ARMLINKFLAGS) --start-group $(spearhead_OBJ_FILES)\
         --end-group -Map $(OBJ)/spearhead.map -o $(OBJ)/spearhead.elf


###############################################################################

$(OBJ)/%.o: $(SRC)/%.c
	mkdir -p $(OBJ)
	$(ARMEXE)/$(CC) $(ARMCFLAGS) -c $< -o $@

$(OBJ)/%.o: $(SRC)/%.S 
	mkdir -p $(OBJ)
	$(ARMEXE)/$(CC) $(ARMASMFLAGS) -c $< -o $@

$(OBJ)/%.o: $(RUN_SRC)/%.c
	mkdir -p $(OBJ)
	$(ARMEXE)/$(CC) $(ARMCFLAGS) -c $< -o $@

$(OBJ)/%.o: $(RUN_SRC)/%.S
	mkdir -p $(OBJ)
	$(ARMEXE)/$(CC) $(ARMASMFLAGS) -c $< -o $@

clean:
	rm -rf $(OBJ)/*.code $(OBJ)/*.elf *.bin $(OBJ)/*.map $(OBJ)/*.srec $(OBJ)/*.bin
	rm -f $(spearhead_OBJ_FILES)