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# ***********************************************************************
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# * File: makefile
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# * Version: 1.0.0
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# * Copyright: 2011 (c) Guo Wenxue <guowenxue@gmail.com>
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# * Description: Makefile used to cross compile the ASM source code
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# * ChangeLog: 1, Release initial version on "Sun Mar 20 18:41:04 CST 2011"
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# *
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# ***********************************************************************
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#
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APP_NAME=bootstrap
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INST_PATH=/tftp
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SRC_TOP=$(CURDIR)
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OBJS_MAIN := bootstrap.o start.o
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OBJS_BSP += ${SRC_TOP}/bsp/*.o
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OBJS_COMMON += ${SRC_TOP}/common/*.o
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OBJS_YAFFS2 += ${SRC_TOP}/yaffs2/*.o
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CFLAGS+=-I${SRC_TOP}/common
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CFLAGS+=-I${SRC_TOP}/bsp
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CFLAGS+=-I${SRC_TOP}/yaffs2
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# Set the stack top base address here
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TEXT_BASE=0x31000000
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STACK_BASE=0x31010000
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MALLOC_SIZE=0x100000
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CFLAGS+=-DTEXT_BASE=$(TEXT_BASE) -DSTACK_BASE=${STACK_BASE} -DCONFIG_SYS_MALLOC_LEN=${MALLOC_SIZE}
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CFLAGS+=-DDEBUG
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gccincdir := $(shell $(CC) -print-file-name=include)
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CFLAGS += -ffreestanding -nostdinc -isystem $(gccincdir) -pipe
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CFLAGS+= -fno-strict-aliasing -fno-common -ffixed-r8 -msoft-float
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CFLAGS+=-march=armv4t -Wall -Wno-unused -Wstrict-prototypes -fno-stack-protector
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CFLAGS += -fno-builtin
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LDFLAGS=-Bstatic -T$(APP_NAME).lds -Ttext $(TEXT_BASE)
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AFLAGS := $(CFLAGS) -D__ASSEMBLY__
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export CFLAGS
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export AFLAGS
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#CFLAGS+=-Os -D__KERNEL__ -DCONFIG_ARM -D__ARM__
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PLATFORM_LIBS += -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
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#PLATFORM_LIBS += -L/opt/buildroot-2011.11/arm920t/usr/arm-unknown-linux-uclibcgnueabi/sysroot/usr/lib/ -lc
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CROSS_COMPILE=/opt/xtools/arm920t/bin/arm-linux-
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AS = $(CROSS_COMPILE)as
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LD = $(CROSS_COMPILE)ld
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CC) -E
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AR = $(CROSS_COMPILE)ar
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NM = $(CROSS_COMPILE)nm
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LDR = $(CROSS_COMPILE)ldr
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STRIP = $(CROSS_COMPILE)strip
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OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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RANLIB = $(CROSS_COMPILE)RANLIB
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export CROSS_COMPILE AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP CFLAGS
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ALL: clean bsp_lib common_lib yaffs2_lib ${OBJS_MAIN}
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echo ${OBJS_BSP}
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cd $(SRC_TOP)
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${LD} $(LDFLAGS) \
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--start-group ${OBJS_BSP} ${OBJS_COMMON} ${OBJS_YAFFS2} $(OBJS_MAIN) \
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--end-group $(PLATFORM_LIBS) \
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-Map $(APP_NAME).map -o $(APP_NAME).elf
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${OBJCOPY} -O binary $(APP_NAME).elf $(APP_NAME).bin
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@chmod 777 $(APP_NAME).bin
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@rm -f *.elf *.o
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@make install
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bsp_lib:
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@make -C bsp
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common_lib:
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@make -C common
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yaffs2_lib:
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@make -C yaffs2
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%.o: %.S
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$(CC) $(AFLAGS) -c -o $@ $<
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $<
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install: $(APP_NAME).bin
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cp $(APP_NAME).bin $(INST_PATH) -f
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clean:
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@find $(OBJTREE) -type f \
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\( -name 'core' -o -name '*.bak' -o -name '*~' -o -name .depend \
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-o -name '*.o' -o -name '*.a' -o -name '*.elf' \) -print \
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| xargs rm -f
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@rm -f $(APP_NAME).bin
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@rm -f $(APP_NAME).map
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@make clean -C yaffs2
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distclean clear: clean
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@rm -f cscope.* tags
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