2024-05-20 05:59:07 -04:00
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CC = i686-elf-gcc
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INCLUDE = -I./
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CFLAGS = -Wall -Wextra -Werror -ffreestanding $(INCLUDE)
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LDFLAGS = -T kernel.ld -ffreestanding -O3 -nostdlib -lgcc -mpreferred-stack-boundary=4
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BUILDDIR = build
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KERNELSRC := $(shell find . -name '*.c' -o -name '*.asm')
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KERNELOBJ := $(addprefix $(BUILDDIR)/, \
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$(notdir \
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$(patsubst %.c,%.o,\
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$(patsubst %.asm,%.o,$(KERNELSRC)))))
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LIBSRC := $(shell find ./lib -name '*.c')
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LIBOBJ := $(addprefix $(BUILDDIR)/, \
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$(notdir \
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$(patsubst %.c,%.o,$(LIBSRC))))
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KERNELIMG := $(BUILDDIR)/kernel.bin
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QEMUFLAGS = -d int -s \
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2024-05-20 17:39:20 -04:00
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-kernel $(KERNELIMG) \
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-machine q35 \
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-device piix3-ide,id=ide -drive id=disk,file=image.img,format=raw,if=none -device ide-hd,drive=disk,bus=ide.0
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2024-05-20 05:59:07 -04:00
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.PHONY: all kernel qemu clean docs
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all: qemu
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qemu: kernel
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kernel: $(KERNELIMG)
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$(KERNELIMG): $(KERNELOBJ) $(LIBOBJ)
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$(CC) $^ -o $@ $(LDFLAGS)
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$(BUILDDIR)/%.o: %.c
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$(CC) $(CFLAGS) -c $^ -o $@
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$(BUILDDIR)/%.o: %.asm
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nasm -felf32 $^ -o $@
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qemu: kernel
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qemu-system-i386 $(QEMUFLAGS)
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iso: kernel
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cp $(BUILDDIR)/kernel.bin iso/boot/kernel.bin
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grub-mkrescue -o $(BUILDDIR)/andewOS.iso iso/
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clean:
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rm -rf build/*.o build/*.bin iso/boot/*.bin
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docs:
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doxygen
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