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BUILD_DIR = ./build
ENTRY_POINT = 0xc0001500
AS = nasm
CC = gcc
LD = ld
LIB = -I lib/ -I lib/kernel/ -I lib/user/ -I kernel/ -I device/ -I thread/ -I userprog/
ASFLAGS = -f elf

CFLAGS1 = -Wall $(LIB) -E -fno-builtin  \
         -m32 -fno-stack-protector -nostdinc -fno-pic -gdwarf-2

CFLAGS = -Wall $(LIB) -c -fno-builtin  \
         -m32 -fno-stack-protector -nostdinc -fno-pic -gdwarf-2
LDFLAGS =-m elf_i386 -T script/kernel.ld -Map $(BUILD_DIR)/kernel.map -nostdlib
OBJS = ${BUILD_DIR}/grub_head.o $(BUILD_DIR)/main.o $(BUILD_DIR)/init.o \
      $(BUILD_DIR)/timer.o $(BUILD_DIR)/kernel.o $(BUILD_DIR)/print.o \
      $(BUILD_DIR)/debug.o $(BUILD_DIR)/memory.o $(BUILD_DIR)/bitmap.o \
      $(BUILD_DIR)/string.o $(BUILD_DIR)/thread.o $(BUILD_DIR)/list.o \
      $(BUILD_DIR)/switch.o $(BUILD_DIR)/console.o $(BUILD_DIR)/sync.o \
      $(BUILD_DIR)/keyboard.o $(BUILD_DIR)/ioqueue.o $(BUILD_DIR)/tss.o \
      $(BUILD_DIR)/process.o ${BUILD_DIR}/syscall_user.o \
	  $(BUILD_DIR)/syscall.o ${BUILD_DIR}/stdio.o ${BUILD_DIR}/ide.o\
	  $(BUILD_DIR)/interrupt.o ${BUILD_DIR}/boot.o \

##############     c代码编译     ###############
$(BUILD_DIR)/main.o: kernel/main.c include/asm-i386/print.h \
        include/asm-i386/stdint.h kernel/init.h
	$(CC) $(CFLAGS) $< -o $@


$(BUILD_DIR)/init.o: kernel/init.c kernel/init.h include/asm-i386/print.h \
        include/asm-i386/stdint.h include/asm-i386/interrupt.h include/asm-i386/timer.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/interrupt.o: kernel/interrupt.c include/asm-i386/interrupt.h \
        include/asm-i386/stdint.h include/linux/global.h lib/kernel/io.h include/asm-i386/print.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/timer.o: device/timer.c include/asm-i386/timer.h include/asm-i386/stdint.h\
        lib/kernel/io.h include/asm-i386/print.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/debug.o: kernel/debug.c include/linux/debug.h \
        include/asm-i386/print.h include/asm-i386/stdint.h include/asm-i386/interrupt.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/string.o: arch/i386/lib/string.c include/asm-i386/string.h include/asm-i386/stdint.h include/linux/global.h \
	include/asm-i386/stdint.h include/linux/debug.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/bitmap.o: lib/kernel/bitmap.c include/asm-i386/bitmap.h \
    	include/linux/global.h include/asm-i386/stdint.h include/asm-i386/string.h include/asm-i386/stdint.h \
     	include/asm-i386/print.h include/asm-i386/interrupt.h include/linux/debug.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/memory.o: kernel/memory.c include/linux/memory.h include/asm-i386/stdint.h include/asm-i386/bitmap.h \
   	include/linux/global.h include/linux/global.h include/linux/debug.h include/asm-i386/print.h \
	lib/kernel/io.h include/asm-i386/interrupt.h include/asm-i386/string.h include/asm-i386/stdint.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/thread.o: thread/thread.c include/linux/thread.h include/asm-i386/stdint.h include/linux/list.h \
    	include/linux/global.h include/asm-i386/string.h include/asm-i386/stdint.h include/linux/debug.h \
     	include/asm-i386/interrupt.h include/asm-i386/print.h include/linux/memory.h \
      	include/asm-i386/bitmap.h include/linux/process.h include/linux/thread.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/list.o: lib/kernel/list.c include/linux/list.h include/linux/global.h include/asm-i386/stdint.h \
        include/asm-i386/interrupt.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/console.o: device/console.c include/asm-i386/console.h include/asm-i386/stdint.h \
        include/asm-i386/print.h include/linux/sync.h include/linux/list.h include/linux/global.h \
     	include/linux/thread.h include/linux/thread.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/sync.o: thread/sync.c include/linux/sync.h include/linux/list.h include/linux/global.h \
       	include/asm-i386/stdint.h include/linux/thread.h include/asm-i386/string.h include/asm-i386/stdint.h include/linux/debug.h \
	include/asm-i386/interrupt.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/keyboard.o: device/keyboard.c device/keyboard.h include/asm-i386/print.h \
        include/asm-i386/stdint.h include/asm-i386/interrupt.h lib/kernel/io.h include/linux/ioqueue.h \
	include/linux/thread.h include/linux/list.h include/linux/global.h include/linux/sync.h \
      	include/linux/thread.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/ioqueue.o: device/ioqueue.c include/linux/ioqueue.h include/asm-i386/stdint.h include/linux/thread.h \
        include/linux/list.h include/linux/global.h include/linux/sync.h include/linux/thread.h include/asm-i386/interrupt.h \
        include/linux/debug.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/tss.o: userprog/tss.c userprog/tss.h include/linux/thread.h include/asm-i386/stdint.h \
    	include/linux/list.h include/linux/global.h include/asm-i386/string.h include/asm-i386/stdint.h \
     	include/asm-i386/print.h
	$(CC) $(CFLAGS) $< -o $@

$(BUILD_DIR)/process.o: userprog/process.c include/linux/process.h include/linux/thread.h \
    	include/asm-i386/stdint.h include/linux/list.h include/linux/global.h include/linux/debug.h \
     	include/linux/memory.h include/asm-i386/bitmap.h userprog/tss.h include/asm-i386/interrupt.h \
      	include/asm-i386/string.h include/asm-i386/stdint.h
	$(CC) $(CFLAGS) $< -o $@


${BUILD_DIR}/syscall_user.o: userprog/syscall_user.c include/linux/syscall.h include/linux/syscall_user.h include/asm-i386/stdint.h
	${CC} ${CFLAGS} $< -o $@


${BUILD_DIR}/syscall.o : kernel/syscall.c include/asm-i386/stdint.h\
 include/linux/thread.h include/linux/syscall.h include/asm-i386/stdio.h include/asm-i386/console.h include/asm-i386/string.h
	${CC} ${CFLAGS} $< -o $@


${BUILD_DIR}/stdio.o : lib/stdio.c include/asm-i386/stdio.h include/asm-i386/interrupt.h \
include/linux/global.h include/asm-i386/string.h include/linux/syscall.h  include/asm-i386/print.h
	${CC} ${CFLAGS} $< -o $@

${BUILD_DIR}/ide.o: device/ide.c include/asm-i386/ide.h include/asm-i386/stdint.h include/asm-i386/stdio.h include/linux/global.h include/linux/sync.h
	${CC} ${CFLAGS} $< -o $@

${BUILD_DIR}/boot.o: boot/boot.c include/asm-i386/stdint.h include/linux/multiboot.h include/linux/global.h
	${CC} ${CFLAGS} $< -o $@

##############    汇编代码编译    ###############
$(BUILD_DIR)/kernel.o: kernel/kernel.S
	$(AS) $(ASFLAGS) $< -o $@

$(BUILD_DIR)/print.o: lib/kernel/print.S
	$(AS) $(ASFLAGS) $< -o $@

$(BUILD_DIR)/switch.o: thread/switch.S
	$(AS) $(ASFLAGS) $< -o $@
${BUILD_DIR}/grub_head.o: boot/grub_head.S
	$(AS) $(ASFLAGS) $< -o $@ -I ./boot/include/


##############    链接所有目标文件    #############
$(BUILD_DIR)/kernel.bin: $(OBJS)
	$(LD) $(LDFLAGS) $^ -o $@

.PHONY : mk_dir hd clean all

mk_dir:
	if [[ ! -d $(BUILD_DIR) ]];then mkdir $(BUILD_DIR);fi

update_image:
	sudo cp /home/ljy/myos/build/kernel.bin /home/ljy/disk/boot/
	sync
	sleep 1

clean:
	cd $(BUILD_DIR) && rm -f ./*

build: $(BUILD_DIR)/kernel.bin

all:clean mk_dir build update_image