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Makefile.bak2
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SOURCE := $(shell find ./ -type f -name *.c)
OBJECTS := $(patsubst *.c,*.o,$(SOURCE))
target : $(OBJECTS)
g++ -o $@ $^ $(LIB) $(INC) $(LINKER)
%.o:%.c
$(CC) -c $(CFLAGS) -o $@ $<
PLATFORM=Linux
# 这个值必须存在且相等在文件"load.inc"中的 'KERNEL_ENTRY_POINT_PHY_ADDR'
ENTRY_POINT=0x1000
# 库文件所在目录
LIB_ANSI = src/lib/ansi
LIB_STDIO = src/lib/stdio
#LIB_I386 = src/lib/i386
#目录
SRC_DIR=src
INCLUDE=include
SRC_KERNEL=$(SRC_DIR)/kernel
BOOT_DIR=$(SRC_DIR)/boot
TARGET_DIR=target
TARGET_BOOT=$(TARGET_DIR)/boot
TARGET_KERNEL=$(TARGET_DIR)/kernel
TARGET_LIB=$(TARGET_DIR)/lib
# 编译器以及编译参数
ASM=nasm
ASM_BIN_TYPE=-f bin
ASM_INCLUDE_ARG=-I src/boot/include/
ASM_ELF_ARG=-f elf -I $(SRC_KERNEL)/
MACRO_DEFINITION=
#当用户自定义的函数与内建函数冲突时，若在gcc的编译选项中加上-fno-builtin 时，则表示不使用C语言的内建函数。
#-Wall编译后显示所有警告
C_ARG=-c -I$(INCLUDE) -fno-builtin -Wall $(MACRO_DEFINITION)
CC=gcc
LD=ld
#-Map=<mapfile>:
#将链接映射输出到指定的文件
LDFlags=-Ttext $(ENTRY_POINT) -Map kernel.map
MYSTICAL_BOOT=$(TARGET_BOOT)/boot.bin $(TARGET_BOOT)/loader.bin
MYSTICAL_KERNEL=$(TARGET_KERNEL)/kernel.bin
SRC_FILES = $(wildcard $(SRC_KERNEL)/*.c) $(wildcard $(SRC_KERNEL)/*.asm) \
$(wildcard $(LIB_ANSI)/*.c) $(wildcard $(LIB_ANSI)/*.asm) $(wildcard $(LIB_STDIO)/*.c)
OBJ_FILES = $(patsubst $(SRC_KERNEL)/%.c,$(TARGET_KERNEL)/%.o,$(filter %.c,$(SRC_FILES))) \
$(patsubst $(SRC_KERNEL)/%.asm,$(TARGET_KERNEL)/%.o,$(filter %.asm,$(SRC_FILES))) \
$(patsubst $(LIB_ANSI)/%.c,$(TARGET_LIB)/ansi/%.o,$(filter %.c,$(SRC_FILES))) \
$(patsubst $(LIB_ANSI)/%.asm,$(TARGET_LIB)/ansi/%.o,$(filter %.asm,$(SRC_FILES))) \
$(patsubst $(LIB_STDIO)/%.c,$(TARGET_LIB)/stdio/%.o,$(filter %.c,$(SRC_FILES)))
# 内核，只实现基本功能
KernelObjs= $(TARGET_KERNEL)/kernel.o $(TARGET_KERNEL)/main.o $(TARGET_KERNEL)/kernel_386lib.o \
$(TARGET_KERNEL)/protect.o $(TARGET_KERNEL)/table.o $(TARGET_KERNEL)/start.o \
$(TARGET_KERNEL)/exception.o $(TARGET_KERNEL)/misc.o $(TARGET_KERNEL)/i8259.o \
$(TARGET_KERNEL)/clock.o
# 内核之外所需要的库，有系统库，也有提供给用户使用的库
LibObjs = $(AnsiObjs) $(StdioObjs)
AnsiObjs = $(TARGET_LIB)/ansi/string.o $(TARGET_LIB)/ansi/memcmp.o $(TARGET_LIB)/ansi/stringc.o\
StdioObjs = $(TARGET_LIB)/stdio/vsprintf.o
Objs= $(KernelObjs) $(LibObjs)
#软盘镜像
FD = mysticalos.img
#镜像挂载点
MOUNTPOINT = /mnt/floppy
#虚拟机
BOCHS=E:/software_file/Bochs/Bochs-2.7/bochs.exe
QEMU=E:/software_file/msys64/mingw64/bin/qemu-system-i386.exe
BOCHS_DEBUG=E:/software_file/Bochs/Bochs-2.7/bochsdbg.exe
# 伪目标
.PHONY: all image debug run clean realclean m
nop:
@echo "all 编译所有文件，生成目标文件(二进制文件，boot.bin)"
@echo "image 生成系统镜像文件"
@echo "debug 打开bochs进行系统的运行和调试"
@echo "run 提示用于如何将系统安装到虚拟机上运行"
@echo "clean 清理所有的中间编译文件"
@echo "realclean 完全清理：清理所有的中间编译文件以及生成的目标文件(二进制文件)"
m:
make clean
make image
all: $(MYSTICAL_BOOT) $(MYSTICAL_KERNEL)
@echo "已经生成内核!"
image: $(FD) $(MYSTICAL_BOOT) $(MYSTICAL_KERNEL)
dd if=$(TARGET_BOOT)/boot.bin of=$(FD) bs=512 count=1 conv=notrunc
mountpoint -q $(MOUNTPOINT); \
if [ $$? -eq 0 ]; then \
echo "Already mounted at $(MOUNTPOINT)"; \
else \
sudo mount -o loop $(FD) $(MOUNTPOINT);\
sleep 1; \
echo "Mounted at $(MOUNTPOINT)"; \
fi
sudo cp -fv $(TARGET_BOOT)/loader.bin $(MOUNTPOINT)
sudo cp -fv $(MYSTICAL_KERNEL) $(MOUNTPOINT)
sudo umount $(MOUNTPOINT)
debug:$(FD)
$(BOCHS_DEBUG) -q
run:$(FD)
$(QEMU) -drive file=$(FD),index=0,if=floppy,format=raw
runb:$(FD)
$(BOCHS) -q
clean:
-rm -f $(Objs)
realclean:clean
rm -f $(MYSTICAL_BOOT) $(MYSTICAL_KERNEL)
$(FD):
dd if=/dev/zero of=$(FD) bs=512 count=2880
#$@:规则中的目标
#$<:规则中的第一个依赖条件
#$^:规则中的所有依赖条件
$(TARGET_BOOT)/boot.bin:$(BOOT_DIR)/myboot.asm
$(ASM) $(ASM_BIN_TYPE) $(ASM_INCLUDE_ARG) -o $@ $<
$(TARGET_BOOT)/loader.bin:$(BOOT_DIR)/loader.asm
$(ASM) $(ASM_BIN_TYPE) $(ASM_INCLUDE_ARG) -o $@ $<
$(MYSTICAL_KERNEL):$(Objs)
$(LD) $(LDFlags) -o $(MYSTICAL_KERNEL) $^
#中间Obj文件生成规则
#内核
$(TARGET_KERNEL)/%.o: $(SRC_KERNEL)/%.c
$(CC) $(C_ARG) -o $@ $<
$(TARGET_KERNEL)/%.o: $(SRC_KERNEL)/%.asm
$(ASM) $(ASM_ELF_ARG) -o $@ $<
# ======= 库 =======
$(TARGET_LIB)/ansi/%.o: $(LIB_ANSI)/%.c
$(CC) $(C_ARG) -o $@ $<
$(TARGET_LIB)/ansi/%.o: $(LIB_ANSI)/%.asm
$(ASM) $(ASM_ELF_ARG) -o $@ $<
$(TARGET_LIB)/stdio/%.o: $(LIB_STDIO)/%.c
$(CC) $(C_ARG) -fno-stack-protector -o $@ $<