public void LoadELF(string filename)
{
if (!System.IO.File.Exists(filename))
{
throw new System.IO.FileNotFoundException(new System.IO.FileNotFoundException().Message, filename);
}
//The spe elf must be executable otherwise libspe will not load it
if (LibspePInvoke.chmod(filename, 511 /*777 octal*/) != 0)
{
throw new System.ComponentModel.Win32Exception(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
}
if (m_program != IntPtr.Zero)
{
LibspePInvoke.spe_image_close(m_program);
}
m_program = LibspePInvoke.spe_image_open(filename);
if (m_program == IntPtr.Zero)
{
throw new System.ComponentModel.Win32Exception(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
}
int res = LibspePInvoke.spe_program_load(m_context, m_program);
if (res != 0)
{
throw new System.ComponentModel.Win32Exception(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
}
}
public SPEWrapper()
{
m_context = LibspePInvoke.spe_context_create(LibspePInvoke.CreateFlags.SPE_MAP_PS, IntPtr.Zero);
if (m_context == IntPtr.Zero)
{
throw new System.ComponentModel.Win32Exception(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
}
}
public void Dispose()
{
if (m_program != IntPtr.Zero)
{
LibspePInvoke.spe_image_close(m_program);
m_program = IntPtr.Zero;
}
if (m_context != IntPtr.Zero)
{
LibspePInvoke.spe_context_destroy(m_context);
m_context = IntPtr.Zero;
}
}
public int Run(CallbackHandlerDelegate callbackhandler)
{
int result = 0;
LibspePInvoke.spe_stop_info_t stop = new LibspePInvoke.spe_stop_info_t();
stop.stop_reason = LibspePInvoke.StopReason.NONE;
LibspePInvoke.spe_start_t start = LibspePInvoke.SPE_DEFAULT_ENTRY;
do
{
//Console.WriteLine("Running context: {0}, errno: {1}", m_context.ToInt64(), System.Runtime.InteropServices.Marshal.GetLastWin32Error());
result = LibspePInvoke.spe_context_run(m_context, ref start, LibspePInvoke.Runflags.SPE_NO_CALLBACKS, IntPtr.Zero, IntPtr.Zero, ref stop);
//Console.WriteLine("Ran context: {0}, errno: {1}, result: {2}, stop_reason: {3}, extra_low: {4}, extra_high: {5}, spu_status: {6}, pc: {7} (0x{7:x4})", m_context.ToInt64(), System.Runtime.InteropServices.Marshal.GetLastWin32Error(), result, stop.stop_reason, stop.low_extra, stop.high_extra, stop.spu_status, start.entrypoint);
if (result >= 0)
{
if (stop.stop_reason == LibspePInvoke.StopReason.SPE_EXIT)
{
return((int)(stop.low_extra & 0x00ff));
}
if (stop.stop_reason == LibspePInvoke.StopReason.SPE_STOP_AND_SIGNAL)
{
if (stop.low_extra != SPEJITCompiler.STOP_METHOD_CALL)
{
throw new Exception(string.Format("Bad stop and signal type: 0x{0:x4}", stop.low_extra));
}
if (!callbackhandler(this.LS, (uint)start.entrypoint))
{
throw new Exception("Error in callback handler");
}
//Skip over the data for the callback
start.entrypoint += 4;
}
else
{
throw new Exception("Bad stuff happened: " + stop.stop_reason.ToString());
}
}
} while(result > 0);
throw new Exception(string.Format("Error while running spe, resultcode {0}, stopreason {1}", result, stop.stop_reason.ToString()));
}
