50 lines
1.7 KiB
Makefile
50 lines
1.7 KiB
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 = build/kernel/kernel.bin
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KERNEL_OBJS = build/c_code_entry.o build/kernel/screenstuff.o build/kernel/io.o build/kernel/idt.o build/kernel/keyboard.o build/kernel/strings.o build/kernel/atapio.o build/kernel/kernel.o build/kernel/paging.o build/kernel/allocate.o
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STAGE2_OBS = build/c_code_entry.o build/boot_stage2/io.o build/boot_stage2/atapio.o build/boot_stage2/strings.o build/boot_stage2/screenstuff.o build/boot_stage2/stage2.o build/boot_stage2/paging.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 prepare build/boot/boot.bin build/boot_stage2/boot.bin $(DISK_IMG_FILES)
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dd if=/dev/zero of=disk.img count=43 bs=100k
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dd if=build/boot/boot.bin of=disk.img conv=notrunc
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dd obs=512 seek=1 if=build/boot_stage2/boot.bin of=disk.img conv=notrunc
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mount disk.img img.d
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cp $(DISK_IMG_FILES) 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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prepare:
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mkdir -p img.d
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mkdir -p build/boot
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mkdir -p build/boot_stage2
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mkdir -p build/kernel
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mountpoint img.d | grep not || umount img.d
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clean:
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rm -rf build
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build/boot/boot.bin: src/boot/boot.asm
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nasm $< -o $@
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build/boot_stage2/boot.bin: src/boot_stage2/boot_stage2.ld $(STAGE2_OBS)
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ld $(LDFLAGS) -T $< $(STAGE2_OBS)
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build/kernel/kernel.bin: src/kernel/kernel.ld $(KERNEL_OBJS)
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ld $(LDFLAGS) -T $< $(KERNEL_OBJS)
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build/boot_stage2/stage2.o: src/boot_stage2/main.c
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gcc $(CFLAGS) -o $@ -c $<
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build/kernel/%.o: src/kernel/%.c
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gcc $(CFLAGS) -o $@ -c $<
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build/boot_stage2/%.o: src/boot_stage2/%.c
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gcc $(CFLAGS) -o $@ -c $<
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build/%.o: src/%.asm
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nasm -felf32 $< -o $@
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