public void StartFunction(string functionName, LuaArgs args)
{
try
{
var function = m_machine.GetGlobal(functionName).GetFunction();
var coroutine = m_machine.CreateCoroutine(function);
coroutine.Resume(args);
if (!coroutine.IsFinished)
{
m_activeCoroutines.Add(coroutine);
}
}
catch (LuaError e)
{
App.Log("Lua Error: {0}", e.Message);
}
}
private CPUUpdateResult ReallyBoot(LuaMount bootMount)
{
if (m_machine != null)
{
throw new InvalidOperationException();
}
// Check if the system has any RAM
if (m_computer.Memory.TotalMemory == 0)
{
m_computer.ErrorOutput.WriteLine("Error starting CPU: No RAM");
return(m_isMainCPU ? CPUUpdateResult.Shutdown : CPUUpdateResult.Continue);
}
// Mount the ROM
m_fileSystem.Mount(bootMount, FilePath.Empty, FilePath.Empty, true);
// Check if the boot path exists
var bootPath = new FilePath("boot.lua");
if (!m_fileSystem.Exists(bootPath) || m_fileSystem.IsDir(bootPath))
{
m_computer.ErrorOutput.WriteLine("Error starting CPU: ROM does not countain {0}", bootPath);
m_fileSystem.UnmountAll();
return(m_isMainCPU ? CPUUpdateResult.Shutdown : CPUUpdateResult.Continue);
}
// Init lua machine
m_machine = new LuaMachine(m_computer.Memory);
m_machine.AllowByteCodeLoading = false;
m_machine.EnforceTimeLimits = true;
try
{
// Remove default APIs we don't want
m_machine.RemoveUnsafeGlobals();
// Install basic APIs
if (m_computer.Host != null)
{
m_machine.SetGlobal("_HOST", m_computer.Host);
}
InstallAPI(new IOAPI(m_computer, m_fileSystem));
InstallAPI(new OSAPI(m_computer, this, m_fileSystem));
InstallAPI(new PackageAPI(m_computer, m_fileSystem));
// Install custom APIs
PreloadAPI(new SystemAPI(m_computer, this));
PreloadAPI(new FSAPI(m_computer, m_fileSystem));
}
catch (LuaError e)
{
m_computer.ErrorOutput.WriteLine("Error starting CPU: {0}", e.Message);
Halt();
return(m_isMainCPU ? CPUUpdateResult.Shutdown : CPUUpdateResult.Continue);
}
// Load the boot script
try
{
string bootScript;
using (var reader = m_fileSystem.OpenForRead(bootPath))
{
bootScript = reader.ReadToEnd();
}
var bootFunction = m_machine.LoadString(bootScript, "@" + bootPath);
m_mainRoutine = m_machine.CreateCoroutine(bootFunction);
m_eventFilter.Clear();
}
catch (IOException e)
{
m_computer.ErrorOutput.WriteLine("Error loading {0}: {1}", bootPath, e.Message);
Halt();
return(m_isMainCPU ? CPUUpdateResult.Shutdown : CPUUpdateResult.Continue);
}
catch (LuaError e)
{
m_computer.ErrorOutput.WriteLine("Error parsing {0}: {1}", bootPath, e.Message);
Halt();
return(m_isMainCPU ? CPUUpdateResult.Shutdown : CPUUpdateResult.Continue);
}
// Start the boot script
m_eventFilter.Clear();
return(Resume(LuaArgs.Empty));
}