39 lines
813 B
Makefile
39 lines
813 B
Makefile
ASM = nasm
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CC = clang
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LD = ld
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ASMFLAGS = -f bin
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CFLAGS = -m32 -ffreestanding -nostdlib -nodefaultlibs -fno-builtin -fno-stack-protector -target i386-pc-none-elf
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LDFLAGS = -arch i386 -static -e _main -T linker.ld
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ifeq ($(shell uname),Darwin)
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LDFLAGS = -arch i386 -static -e _main
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else
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LDFLAGS = -m elf_i386 -T linker.ld
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endif
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all: os.bin
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bootloader.bin: bootloader.asm gdt.asm print32.asm switch_pm.asm
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$(ASM) $(ASMFLAGS) bootloader.asm -o bootloader.bin
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kernel.o: kernel.c
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$(CC) $(CFLAGS) -c kernel.c -o kernel.o
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kernel.bin: kernel.o
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$(LD) $(LDFLAGS) kernel.o -o kernel.bin
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os.bin: bootloader.bin kernel.bin
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cat bootloader.bin kernel.bin > os.bin
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truncate -s 1440K os.bin
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clean:
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rm -f *.bin *.o
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test: os.bin
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qemu-system-i386 -fda os.bin
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usb: os.bin
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./create_usb.sh
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.PHONY: all clean test usb |