makefile

用于汇编领域的,运用于OS的MAIN函数.基于硬件基础的源代码

CC = gcc
AS = as
LD = ld
NM = nm
OBJCOPY_FLAGS = -R .dynamic -R .note -R .comment

all: boot setup io.o printk.o idt.o interrupt.o entry.o timer.o kbd.o kernel.img

boot: boot.o
	$(LD) -Ttext 0x0 -s --oformat binary -o boot boot.o

boot.o: boot.s
	$(AS) -o boot.o boot.s

setup: setup.o
	$(LD) -Ttext 0x00 -s --oformat binary -o setup setup.o

setup.o: setup.s
	$(AS) -o setup.o setup.s

io.o: io.c
	$(CC) -c io.c

printk.o: printk.c
	$(CC) -c printk.c

idt.o: idt.c
	$(CC) -c idt.c

interrupt.o: interrupt.c
	$(CC) -c interrupt.c 

entry.o: entry.s
	$(AS) -o entry.o entry.s

timer.o: timer.c
	$(CC) -c timer.c

kbd.o: kbd.c
	$(CC) -c kbd.c

kernel.img: hos6
	objcopy $(OBJCOPY_FLAGS) -S -O binary hos6 kernel.img

hos6: main.o
	$(LD) -o hos6 -Ttext 0x00010000 -e startup main.o printk.o io.o idt.o interrupt.o timer.o kbd.o entry.o
	$(NM) hos6 | sort > symbol.map

main.o: main.c
	$(CC) -c main.c

clean:
	rm -f hos6 boot setup kernel.img *.o symbol.map