public static void NmiIntHandler()
{
RemoveInterruptEvent();
CP0_STATUS_REG = (CP0_STATUS_REG & ~0x00380000UL) | 0x00500004;
CP0_CAUSE_REG = 0;
/* R4300 Software Reset */
SoftBootManager.SetupExecutionState(BootMode.HLE_IPL);
CP0_COUNT_REG = 0;
/* TODO: VI Counter = 0 */
InitInterrupt();
/* TODO: AI Status reg */
CP0_ERROREPC_REG = (UInt64)m_Core.State.PC;
if (m_Core.State.BranchEnabled)
{
CP0_ERROREPC_REG -= 4;
}
m_Core.State.BranchEnabled = false;
LastPc = 0xA4000040;
m_Core.State.PC = 0xA40000040;
}
internal void Boot()
{
if (m_Booted)
{
return;
}
try
{
/* Hardware Init */
Memory.Initialize();
/* A/D CPU <-> RCP Bus Connection Hack */
/* TODO: We are only use a simple IO stream to connect the CPU to physical memory */
DeviceCPU.SysAdBus = Memory;
DevicePIF.Initialize();
DeviceRCP.Initialize();
DeviceCPU.Initialize();
logger.Info("##### Starting emulation core");
OnMachineEventNotification(MachineEventType.PreBooted);
logger.Debug("Executing N64 firmware: " + SystemBootMode.GetFriendlyName());
SoftBootManager.SetupExecutionState(SystemBootMode);
/* Initialize core comparing */
if (Machine.Current.MipsCompareEngine != null)
{
logger.Trace("Mips compare engine found");
try
{
Machine.Current.MipsCompareEngine.Init();
logger.Trace("Initialized mips compare engine");
Task.Factory.StartNew(
Machine.Current.MipsCompareEngine.Run,
new CancellationToken(),
TaskCreationOptions.LongRunning,
TaskScheduler.Default);
logger.Trace($"Scheduled mips engine task on {TaskScheduler.Default.ToString()} scheduler");
Thread.Sleep(500);
}
catch (Exception e)
{
logger.Error(e);
}
}
else
{
logger.Trace("Skipped mips compare engine");
}
m_Booted = true;
OnMachineEventNotification(MachineEventType.Booted);
logger.Info("#### Boot sucessful");
}
catch (Exception e)
{
logger.Error(e);
throw new InvalidOperationException("An exception occuring during the boot process, see inner exception for details", e);
}
}