50 lines
1.1 KiB
Makefile
50 lines
1.1 KiB
Makefile
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CC=i386-elf-gcc
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LD=i386-elf-ld
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CFLAGS=-ffreestanding -g -m32 -std=c2x -O2 -Wall -Wextra -pedantic -lgcc -isystem ./libk/include
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C_SOURCE=$(shell find kernel -type f -name "*.c")
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C_OBJ=$(patsubst %.c,bin/%.o,$(C_SOURCE))
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A_SOURCE=$(shell find kernel -type f -name "*.asm")
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A_OBJ=$(patsubst %.asm,bin/%_asm.o,$(A_SOURCE))
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LIBK_SOURCE=$(shell find libk -type f -name "*.c")
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LIBK_OBJ=$(patsubst %.c,bin/%.o,$(LIBK_SOURCE))
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.PHONY: test all run clean
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all: bin/os.iso
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$(A_OBJ): bin/%_asm.o : %.asm
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@mkdir -p $(@D)
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nasm $< -f elf -o $@
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$(C_OBJ): bin/%.o : %.c
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@mkdir -p $(@D)
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$(CC) -c $(CFLAGS) -o $@ $<
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$(LIBK_OBJ): bin/%.o : %.c
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@mkdir -p $(@D)
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$(CC) -c $(CFLAGS) -o $@ $<
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bin/libk.a: $(LIBK_OBJ)
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@mkdir -p $(@D)
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$(AR) rcs bin/libk.a $(LIBK_OBJ)
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bin/kernel.bin: bin/libk.a $(A_OBJ) $(C_OBJ)
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@mkdir -p $(@D)
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$(LD) -nmagic -o bin/kernel.bin -T linker.ld $(A_OBJ) $(C_OBJ) bin/libk.a
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bin/os.iso: bin/kernel.bin
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@mkdir -p $(@D)
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@mkdir -p bin/iso/boot/grub
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cp grub.cfg bin/iso/boot/grub
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cp bin/kernel.bin bin/iso/boot
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grub-mkrescue -o bin/os.iso bin/iso
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run: all
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qemu-system-i386 -cdrom bin/os.iso
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clean:
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rm -rf bin
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