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CXXFLAGS := -m32 -ggdb -g3 -O1 -fno-pic -fno-rtti -fno-exceptions -std=c++23 \
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-Wall -Wextra -pedantic -Werror
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LDFLAGS := $(CXXFLAGS) -T link.ld -static -nostdlib -fno-use-cxa-atexit
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CXXFILES := acpi.cpp \
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ata.cpp \
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boot.cpp \
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gdt.cpp \
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idt.cpp \
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keyboard.cpp \
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memmove.cpp \
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memory.cpp \
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multiboot.cpp \
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pic.cpp \
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pit.cpp \
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tasking.cpp \
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vgaterminal.cpp \
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kernel.cpp
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OBJS := $(subst .cpp,.o,$(CXXFILES))
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all: myos.iso
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myos.iso: myos.bin iso/boot/grub/grub.cfg
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@echo " ISO " $@
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@cp myos.bin iso/boot/
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@grub-mkrescue -o myos.iso iso/
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myos.bin: $(OBJS) link.ld
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@echo " LD " $@
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@g++ $(LDFLAGS) -o $@ $(OBJS)
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%.o: %.cpp
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@echo " CXX " $<
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@g++ $(CXXFLAGS) -c $< -o $@
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clean:
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@echo " CLEAN"
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@rm -f $(OBJS) myos.bin myos.iso
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run: myos.iso
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@echo " QEMU"
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@qemu-system-i386 -drive file=$<,index=2,media=cdrom -monitor stdio -no-reboot -s -S #-d int
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