44 lines
1.2 KiB
Makefile
44 lines
1.2 KiB
Makefile
C_SOURCES = $(wildcard kernel/*.c drivers/*.c libc/*.c)
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HEADERS = $(wildcard kernel/*.h drivers/*.h libc/*.h)
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OBJ = ${C_SOURCES:.c=.o kernel/boot.o drivers/interrupt.o drivers/paging_helpers.o}
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CC = /usr/local/bin/i386-elf-gcc
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GDB = /usr/local/bin/i386-elf-gdb
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CFLAGS = -g
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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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# Used for debugging purposes
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kernel/kernel.elf: ${OBJ}
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i386-elf-ld -T linker.ld -o $@ $^
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run: os.iso
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qemu-system-i386 -m 2G -d int -d cpu_reset -D qemu.log -boot d -cdrom os.iso
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# Open the connection to qemu and load our kernel-object file with symbols
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debug: os.iso kernel/kernel.elf
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qemu-system-i386 -s -no-reboot -no-shutdown -boot d -cdrom os.iso &
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${GDB} -ex "target remote localhost:1234" -ex "symbol-file kernel/kernel.elf"
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# Generic rules for wildcards
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# To make an object, always compile from its .c
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%.o: %.c ${HEADERS}
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${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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%.bin: %.asm
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nasm $< -f bin -o $@
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clean:
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rm -rf */*.bin */*.o os.iso */*.elf iso/boot/initrd.tar
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rm -rf */*.o
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