makefile

简单的操作系统源代码

CC = gcc
LD = ld
LDFILE = os_x86.ld
OBJCOPY = objcopy

all:boot_hw.img

boot_hw.o: boot_hw.s
	$(CC) -c boot_hw.s


boot_hw.elf: boot_hw.o
	$(LD) boot_hw.o -o boot_hw.elf -e c -T$(LDFILE)

boot_hw.bin : boot_hw.elf
	@$(OBJCOPY) -R .pdr -R .comment -R .note -S -O binary boot_hw.elf boot_hw.bin

boot_hw.img : boot_hw.bin
	@dd if=boot_hw.bin of=boot_hw.img bs=512 count=1

	@dd if=/dev/zero of=boot_hw.img skip=1 seek=1 bs=512 count=2879


clean:
	@rm -rf boot_hw.o boot_hw.elf boot_hw.bin boot_hw.img