static void Main(string[] args)
{
/* 注释掉arg[]相关代码，为了便于F5直接调试，
* 而不用deploy.bat。boot.bin，kernel.bin，c.img
* 直接放在项目的Debug\目录下。
* if (args.Length < 2)
* {
* PrintUsage();
* return;
* }
*/
string diskFilePath = args[0];
if (!File.Exists(diskFilePath))
{
Console.WriteLine(string.Format(FILE_NOT_EXISTED_PATTERN, diskFilePath));
return;
}
//string[] files = new string[4] { "boot.bin", "kernel.bin", "peProgram.exe", "Shell.exe" };//new string[args.Length - 1];
string[] files = new string[args.Length - 1];
for (int i = 0; i < files.Length; i++)
{
files[i] = args[i + 1];
if (!File.Exists(files[i]))
{
Console.WriteLine(string.Format(FILE_NOT_EXISTED_PATTERN, files[i]));
return;
}
}
Stream fs = File.OpenWrite(diskFilePath);
Tool.imgfs = fs;
/*
* only for boot.bin and kernel.bin here, not include any exe Files
*/
for (int i = 0; i < 2 /* files.Length */; i++)
{
Stream fsRead = File.OpenRead(files[i]);
byte[] buffer = new byte[fsRead.Length];
fsRead.Read(buffer, 0, buffer.Length);
//写入磁盘镜像
fs.Write(buffer, 0, buffer.Length);
fsRead.Close();
}
byte[] exeInfo = new byte[Constant.BLOCK_SIZE]; /* 作为19000#扇区 */
/* 注意c.img中18000#扇区开始为交换区!
*
* 将参数arg中每一个*.exe文件的起始扇区记录在19000#扇区中，
* exe的数据从19001#开始存放!
*
* 将peProgram.exe写入c.img的EXEBLOCK = 19001#及后续扇区中，
* 用此方法将外部exe文件放入c.img!! 内核在指定扇区位置上读取peProgram.exe。
*/
long offset = 1;
for (int i = 2, j = 0; i < files.Length; i++)
{
Stream fsPERead = File.OpenRead(files[i]);
byte[] peBuffer = new byte[fsPERead.Length];
fsPERead.Read(peBuffer, 0, peBuffer.Length);
//peProgram.exe写入c.img中19000# Sector
fs.Seek(Constant.BLOCK_SIZE * (Constant.EXEBLOCK + offset), SeekOrigin.Begin);
fs.Write(peBuffer, 0, peBuffer.Length);
Tool.WriteInt(Constant.EXEBLOCK + (int)offset, ref exeInfo, j);
j += sizeof(int);
Tool.WriteInt((int)fsPERead.Length, ref exeInfo, j);
j += sizeof(int);
/* 计算本次exe文件写入占用了多少整数个磁盘块 */
offset += (fsPERead.Length + (Constant.BLOCK_SIZE - 1)) / Constant.BLOCK_SIZE;
fsPERead.Close();
}
Tool.WriteSector(ref exeInfo, Constant.EXEBLOCK);
fs.Close();
/**********************************************/
/* 下面进行构建Unix V6文件系统格式的C.img */
/**********************************************/
Tool.Init(diskFilePath);
SuperBlock spb = new SuperBlock();
DataBlockManager blkMgr = new DataBlockManager(ref spb);
/* 认为数据区中所有盘块皆为空闲，构建"栈的栈" */
blkMgr.FreeAllBlock();
/* 将修改后的spb更新到c.img */
spb.Update();
Tool.imgfs.Close();
Console.Write("Work Done!\n");
//while (true) ;
}
public DataBlockManager(ref SuperBlock aSpb)
{
spb = aSpb;
}