public void SubscribeThreadEventHandlers(ARMeilleure.State.ExecutionContext context)
{
context.Interrupt += InterruptHandler;
context.SupervisorCall += KernelContext.SyscallHandler.SvcCall;
context.Undefined += UndefinedInstructionHandler;
}
public KernelResult Initialize(
ulong entrypoint,
ulong argsPtr,
ulong stackTop,
int priority,
int defaultCpuCore,
KProcess owner,
ThreadType type = ThreadType.User)
{
if ((uint)type > 3)
{
throw new ArgumentException($"Invalid thread type \"{type}\".");
}
PreferredCore = defaultCpuCore;
AffinityMask |= 1L << defaultCpuCore;
SchedFlags = type == ThreadType.Dummy
? ThreadSchedState.Running
: ThreadSchedState.None;
CurrentCore = PreferredCore;
DynamicPriority = priority;
BasePriority = priority;
ObjSyncResult = KernelResult.ThreadNotStarted;
_entrypoint = entrypoint;
if (type == ThreadType.User)
{
if (owner.AllocateThreadLocalStorage(out _tlsAddress) != KernelResult.Success)
{
return(KernelResult.OutOfMemory);
}
TlsDramAddress = owner.MemoryManager.GetDramAddressFromVa(_tlsAddress);
MemoryHelper.FillWithZeros(owner.CpuMemory, (long)_tlsAddress, KTlsPageInfo.TlsEntrySize);
}
bool is64Bits;
if (owner != null)
{
Owner = owner;
owner.IncrementReferenceCount();
owner.IncrementThreadCount();
is64Bits = (owner.MmuFlags & 1) != 0;
}
else
{
is64Bits = true;
}
HostThread = new Thread(() => ThreadStart(entrypoint));
if (System.UseLegacyJit)
{
Context = new ChocolArm64.State.CpuThreadState();
}
else
{
Context = new ARMeilleure.State.ExecutionContext();
}
bool isAarch32 = (Owner.MmuFlags & 1) == 0;
Context.SetX(0, argsPtr);
if (isAarch32)
{
Context.SetX(13, (uint)stackTop);
}
else
{
Context.SetX(31, stackTop);
}
Context.CntfrqEl0 = 19200000;
Context.Tpidr = (long)_tlsAddress;
owner.SubscribeThreadEventHandlers(Context);
ThreadUid = System.GetThreadUid();
_hasBeenInitialized = true;
if (owner != null)
{
owner.AddThread(this);
if (owner.IsPaused)
{
System.CriticalSection.Enter();
if (ShallBeTerminated || SchedFlags == ThreadSchedState.TerminationPending)
{
System.CriticalSection.Leave();
return(KernelResult.Success);
}
_forcePauseFlags |= ThreadSchedState.ProcessPauseFlag;
CombineForcePauseFlags();
System.CriticalSection.Leave();
}
}
return(KernelResult.Success);
}