42 lines
865 B
Makefile
42 lines
865 B
Makefile
AS=x86_64-elf-as
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LD=x86_64-elf-ld
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CC=x86_64-elf-gcc
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run: image.bin
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qemu-system-i386 -drive format=raw,file=$<
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debug-boot: image.bin mbr.elf
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qemu-system-i386 -drive format=raw,file=$< -s -S &
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x86_64-elf-gdb mbr.elf \
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-ex "target remote localhost:1234" \
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-ex "break init_32bit" \
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-ex "continue"
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debug: image.bin
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qemu-system-i386 -drive format=raw,file=$< -s -S &
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x86_64-elf-gdb kernel.bin \
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-ex "target remote localhost:1234" \
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-ex "break _start" \
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-ex "continue"
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image.bin: mbr.bin kernel.bin
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cat $^ >$@
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kernel.bin: kernel.o vga.o string.o drivers/ata.o
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$(LD) -m elf_i386 -o $@ -Ttext 0x1000 $^
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%.o: %.c
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$(CC) -m32 -ffreestanding -c -g $< -o $@
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%.o: %.S
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$(CC) -m32 $^ -c -g -o $@
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mbr.bin: mbr.o
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$(LD) -m elf_i386 -Ttext=0x7c00 --oformat=binary $^ -o $@
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mbr.elf: mbr.o
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$(LD) -m elf_i386 -Ttext=0x7c00 $^ -o $@
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clean:
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rm -f *.bin *.o
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