2024-07-15 20:14:00 +02:00
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ARCHDIR=arch/i686
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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CFLAGS?=
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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INCLUDEDIR=include
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CFLAGS:=-O2 \
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2024-07-11 08:56:52 +02:00
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-std=gnu99 \
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-ffreestanding \
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-Wall -Wextra \
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2024-07-15 20:14:00 +02:00
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-I$(INCLUDEDIR) \
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$(CFLAGS)
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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KERNEL_OBJS=kernel/kernel.o
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LIB_OBJS=\
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$(ARCHDIR)/bootstrap.o \
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$(ARCHDIR)/tty.o\
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$(ARCHDIR)/strlib.o\
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$(ARCHDIR)/interrupt.o\
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2024-07-11 08:56:52 +02:00
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OBJS=$(KERNEL_OBJS) $(LIB_OBJS)
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2024-07-15 20:14:00 +02:00
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2024-07-11 08:56:52 +02:00
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LDFLAGS=$(OBJS) \
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-ffreestanding \
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-O2 \
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-nostdlib \
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-lgcc
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2024-07-15 20:14:00 +02:00
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.SUFFIXES: .c .o .s
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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all:
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$(MAKE) run-grub-qemu
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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clean:
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rm -f $(OBJS)
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rm myos.bin
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rm myos.iso
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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debug:
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2024-07-11 08:56:52 +02:00
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mkdir build || true
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cp Makefile build
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2024-07-15 20:14:00 +02:00
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cp -r isodir build
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CFLAGS=-g $(MAKE) -C build debug-grub-qemu
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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.c.o:
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i686-elf-gcc -c $< -o $@ $(CFLAGS)
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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.s.o:
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i686-elf-as $< -o $@
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2024-07-11 08:56:52 +02:00
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2024-07-15 20:14:00 +02:00
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myos.bin: $(OBJS)
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2024-07-11 08:56:52 +02:00
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i686-elf-gcc -T $(ARCHDIR)/linker.ld -o myos.bin $(LDFLAGS)
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grub-file --is-x86-multiboot myos.bin
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2024-07-15 20:14:00 +02:00
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run-grub-qemu: myos.bin
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cp myos.bin isodir/boot/myos.bin
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grub-mkrescue -o myos.iso isodir
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qemu-system-i386 myos.iso
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debug-grub-qemu: myos.bin
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cp myos.bin isodir/boot/myos.bin
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grub-mkrescue -o myos.iso isodir
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qemu-system-i386 -S -gdb tcp::9000 myos.iso
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2024-07-11 08:56:52 +02:00
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