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prepare to change bootloader from 32 bit to 64 bit mode.
author Taiki TAIRA <e095767@ie.u-ryukyu.ac.jp>
date Tue, 14 Aug 2012 15:32:39 +0900
parents ee6e0a17b894
children bd2f9ba6f5f8
line wrap: on
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HOME		= /Users/TaikiTAIRA
prefix		= $(HOME)/cross/COMMON_INSTALL/bin
CBC			= $(prefix)/elf-cbc-gcc-4.6.0
LD			= $(prefix)/x86_64-elf-ld

CBCFLAGS	= -m32 \
			  -ffreestanding \
			  -fno-common \
			  -fno-builtin \
			  -fomit-frame-pointer \
			  -Wall \
			  -O2 \
			  -c \
			  -o

LDFLAGS		= -m elf_i386 \
			  -nostdlib \
			  -Ttext=0x100000 \
			  --oformat elf32-i386 \
			  -o 

TARGET=cbc_os.elf

all: $(TARGET)

kernel.o: kernel.cbc 
	$(CBC) $(CBCFLAGS) $@ $^ 

bootstrap.o: bootstrap.S 
	$(CBC) $(CBCFLAGS) $@  $^

$(TARGET): bootstrap.o kernel.o
	$(LD) $(LDFLAGS) $@ $^


clean:
	@rm -rf *.o *.elf