makefile

英培特ARM教学平台EDUKIT-III

# Makefile
# 2007-07-30 by Qingmin Liu

#
# top directory
#

TOPDIR := $(shell /bin/pwd)
export TOPDIR

#
# Tools
#

CROSS_COMPILE = /usr/local/arm/2.95.3/bin/arm-linux-

CC	= $(CROSS_COMPILE)gcc
CPP	= $(CC) -E
LD	= $(CROSS_COMPILE)ld
AS	= $(CROSS_COMPILE)as
AR	= $(CROSS_COMPILE)ar
NM	= $(CROSS_COMPILE)nm
OBJCOPY	= $(CROSS_COMPILE)objcopy
OBJDUMP	= $(CROSS_COMPILE)objdump

export CC CPP AS

#
# Options
#

CPPFLAGS	:= -I$(TOPDIR)/include
CFLAGS		:= $(CPPFLAGS) -Wall -O2
AFLAGS		:= -D__ASSEMBLY__ $(CPPFLAGS) 
LDFLAGS		:= -Tarch/mboot.lds -Bstatic

export CPPFLAGS CFLAGS AFLAGS

#
# File Collections
#

CORE_FILES = init/main.o init/led.o
SUBDIRS = drivers
CLEAN_FILES =		\
	mboot		\
	mboot-as	\
	mboot-elf	\
	mboot.nm	\
	mboot.map

DRIVERS := drivers/uart.o drivers/interrupt.o

#
# Sub Makefile
#

include arch/Makefile

all: mboot

mboot: init/main.o init/led.o subdirs
	$(LD) -v $(LDFLAGS) 	\
		 $(HEAD)	\
		 $(CORE_FILES)	\
		 $(DRIVERS)	\
		 -o $@-elf
	$(OBJDUMP) -D $@-elf > $@-as
	$(NM) -v -l $@-elf > $@.map
	$(OBJCOPY) -O binary -S $@-elf $@

subdirs: $(patsubst %, _dir_%, $(SUBDIRS))

$(patsubst %, _dir_%, $(SUBDIRS)):
	$(MAKE) -C $(patsubst _dir_%, %, $@)

clean:
	find . -name "*.o" | xargs rm -f
	$(RM) $(CLEAN_FILES)

debug:
	@echo "HEAD: $(HEAD)"
	@echo "CORE_FILES: $(CORE_FILES)"
	@echo "DRIVERS: $(DRIVERS)"
	@echo "CLEAN_FILES: $(CLEAN_FILES)"

include Rules.make