feat(grub): add multi-boot support and long mode swap
Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>
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@@ -0,0 +1,39 @@
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KERNEL = julios
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ISO = julios.iso
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INSTALL_ROOT = iso
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ABS_INSTALL = $(abspath $(INSTALL_ROOT))
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LINKER_SCRIPT = src/linker.ld
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BOOT_OBJS = src/multiboot.o src/boot.o
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LIB_JULIOS = target/x86_64-julios/debug/libjulios.a
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GRUB_CFG = grub/grub.cfg
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all: $(ISO)
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$(ISO): install
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./tools/create-iso.sh $@ $(INSTALL_ROOT)
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install: $(KERNEL) $(GRUB_CFG)
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mkdir -p $(ABS_INSTALL)
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mkdir -p $(ABS_INSTALL)/boot/grub
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cp $(KERNEL) $(ABS_INSTALL)/boot
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cp grub/grub.cfg $(ABS_INSTALL)/boot/grub
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$(KERNEL): $(LIB_JULIOS) $(LINKER_SCRIPT) $(BOOT_OBJS)
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ld -n -T $(LINKER_SCRIPT) -o $(KERNEL) $(BOOT_OBJS) $(LIB_JULIOS)
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$(LIB_JULIOS):
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cargo build
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%.o: %.asm
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nasm -f elf64 $^ -o $@
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clean:
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$(RM) $(BOOT_OBJS)
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$(RM) $(KERNEL)
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$(RM) julios.iso
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$(RM) -r iso
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.PHONY: $(INSTALL_ROOT) install clean all
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