35 lines
906 B
Makefile
35 lines
906 B
Makefile
CFLAGS = -m32 -mgeneral-regs-only -nostdlib -fno-builtin -fno-exceptions -fno-leading-underscore -fno-pie -fno-stack-protector -Wno-pointer-to-int-cast
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LDFLAGS =
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DISK_IMG_FILES = kernel.bin hello.bin print.bin boot32.bin kernel32.bin
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KERNEL32_OBJS = screenstuff.o io.o idt.o keyboard.o strings.o atapio.o kernel32_strap.o kernel32.o
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run: disk.img
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qemu-system-x86_64 disk.img
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disk.img: clean boot.sector $(DISK_IMG_FILES)
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dd if=/dev/zero of=disk.img count=43 bs=100k
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dd if=boot.sector of=disk.img conv=notrunc
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mount disk.img img.d
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cp *.bin img.d/
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cp hello.txt img.d/
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umount img.d
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chmod 777 disk.img
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clean:
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rm $(DISK_IMG_FILES) $(KERNEL32_OBJS) boot.sector disk.img || true
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boot.sector: boot.asm
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nasm $< -o $@
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%.bin: %.asm
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nasm $< -o $@
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kernel32.bin: kernel32.ld $(KERNEL32_OBJS)
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ld $(LDFLAGS) -T $< $(KERNEL32_OBJS)
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%.o: %.asm
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nasm -felf32 $< -o $@
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%.o: %.c
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gcc $(CFLAGS) -o $@ -c $<
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