39 lines
1007 B
Makefile
39 lines
1007 B
Makefile
PLAT=i386
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C_SOURCES = $(wildcard kernel/*.c drivers/$(PLAT)/*.c libc/*.c cpu/$(PLAT)/*.c)
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OBJ = $(C_SOURCES:.c=.o kernel/boot.o $(shell cat psinfo/$(PLAT)/o.txt))
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CC = $(shell cat psinfo/$(PLAT)/cc.txt)
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GDB = $(shell cat psinfo/$(PLAT)/gdb.txt)
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CFLAGS = -g
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run: os.iso
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qemu-system-i386 -m 2G -d int -d cpu_reset -D qemu.log -boot d -cdrom os.iso
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debug: os.iso kernel/kernel.elf
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qemu-system-i386 -s -boot d -cdrom os.iso &
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$(GDB) -ex "target remote localhost:1234" -ex "symbol-file kernel/kernel.elf"
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os.iso: kernel/kernel.elf initrd/*
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cp kernel/kernel.elf iso/boot
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cd initrd; \
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tar -c -f "../iso/boot/initrd.tar" *
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grub-mkrescue -o $@ iso
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kernel/kernel.elf: $(OBJ)
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i386-elf-ld -T linker.ld -o $@ $^
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%.o: %.c h_files
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$(CC) $(CFLAGS) -ffreestanding -c $< -o $@
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%.o: %.asm
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nasm $< -f elf -o $@
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%.o: %.s
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i386-elf-as $< -o $@
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h_files: cpu/$(PLAT)/memory.h
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rm -f cpu/memory.h
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cp cpu/$(PLAT)/memory.h cpu/memory.h
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clean:
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rm -rf */*/*.o */*.o cpu/memory.h os.iso */*.elf iso/boot/initrd.tar
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