2018-02-23 16:20:31 +00:00
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ASM=nasm
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BIN=bin
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2018-02-24 09:00:00 +00:00
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CFLAGS=-ffreestanding -fno-pie -m32 -ansi
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2018-02-23 16:20:31 +00:00
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CC=gcc
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LD=ld
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LDFLAGS=-melf_i386 -Ttext 0x1000 --oformat binary
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2018-02-26 14:02:25 +00:00
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OBJ=kernel/kernel_entry.o kernel/kernel.o kernel/ports.o kernel/util.o drivers/screen.o
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2018-02-23 17:50:05 +00:00
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2018-02-23 17:11:06 +00:00
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all: os-image
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2018-02-23 17:52:17 +00:00
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os-image: boot/boot_sect.bin kernel/kernel.bin
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2018-02-23 17:11:06 +00:00
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mkdir -p $(BIN)
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cat $^ > $(BIN)/$@
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# build kernel binary file
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2018-02-23 17:52:17 +00:00
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kernel/kernel.bin: $(OBJ)
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2018-02-23 17:11:06 +00:00
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$(LD) $(LDFLAGS) $^ -o $@
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2018-02-26 15:53:13 +00:00
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%.o: %.c
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2018-02-23 17:11:06 +00:00
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$(CC) $(CFLAGS) -c $< -o $@
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2018-02-23 17:50:05 +00:00
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%.o: %.asm
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$(ASM) $< -f elf -o $@
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2018-02-23 16:20:31 +00:00
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2018-02-23 17:50:05 +00:00
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%.bin: %.asm
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$(ASM) $< -f bin -I 'boot/' -o $@
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2018-02-23 16:20:31 +00:00
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.PHONY: clean
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clean:
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2018-02-24 09:00:00 +00:00
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rm -rf boot/*.bin kernel/*.bin
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2018-02-23 17:50:05 +00:00
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rm -rf kernel/*.o boot/*.o drivers/*.o
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