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- ASM=nasm
- BIN=bin
- CC=i686-elf-gcc
- CFLAGS=-ffreestanding -fno-pie -ansi
- LD=i686-elf-ld
- LDFLAGS=-Ttext 0x1000 --oformat binary
- OBJ=kernel/kernel_entry.o kernel/kernel.o kernel/ports.o kernel/util.o drivers/screen.o
- all: os-image
- os-image: boot/boot_sect.bin kernel/kernel.bin
- mkdir -p $(BIN)
- cat $^ > $(BIN)/$@
- # build kernel binary file
- kernel/kernel.bin: $(OBJ)
- $(LD) $(LDFLAGS) $^ -o $@
- %.o: %.c
- $(CC) $(CFLAGS) -c $< -o $@
- %.o: %.asm
- $(ASM) $< -f elf -o $@
- %.bin: %.asm
- $(ASM) $< -f bin -I 'boot/' -o $@
- .PHONY: clean
- clean:
- rm -rf boot/*.bin kernel/*.bin
- rm -rf kernel/*.o boot/*.o drivers/*.o
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