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using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.HOS.Kernel.Threading;
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
{
partial class SvcHandler
{
public KernelResult WaitSynchronization64(ulong handlesPtr, int handlesCount, long timeout, out int handleIndex)
{
return WaitSynchronization(handlesPtr, handlesCount, timeout, out handleIndex);
}
private KernelResult WaitSynchronization(ulong handlesPtr, int handlesCount, long timeout, out int handleIndex)
{
handleIndex = 0;
if ((uint)handlesCount > 0x40)
{
return KernelResult.MaximumExceeded;
}
List<KSynchronizationObject> syncObjs = new List<KSynchronizationObject>();
for (int index = 0; index < handlesCount; index++)
{
int handle = _memory.ReadInt32((long)handlesPtr + index * 4);
KSynchronizationObject syncObj = _process.HandleTable.GetObject<KSynchronizationObject>(handle);
if (syncObj == null)
{
break;
}
syncObjs.Add(syncObj);
}
return _system.Synchronization.WaitFor(syncObjs.ToArray(), timeout, out handleIndex);
}
public KernelResult CancelSynchronization64(int handle)
{
return CancelSynchronization(handle);
}
private KernelResult CancelSynchronization(int handle)
{
KThread thread = _process.HandleTable.GetKThread(handle);
if (thread == null)
{
return KernelResult.InvalidHandle;
}
thread.CancelSynchronization();
return KernelResult.Success;
}
public KernelResult ArbitrateLock64(int ownerHandle, ulong mutexAddress, int requesterHandle)
{
return ArbitrateLock(ownerHandle, mutexAddress, requesterHandle);
}
private KernelResult ArbitrateLock(int ownerHandle, ulong mutexAddress, int requesterHandle)
{
if (IsPointingInsideKernel(mutexAddress))
{
return KernelResult.InvalidMemState;
}
if (IsAddressNotWordAligned(mutexAddress))
{
return KernelResult.InvalidAddress;
}
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
return currentProcess.AddressArbiter.ArbitrateLock(ownerHandle, mutexAddress, requesterHandle);
}
public KernelResult ArbitrateUnlock64(ulong mutexAddress)
{
return ArbitrateUnlock(mutexAddress);
}
private KernelResult ArbitrateUnlock(ulong mutexAddress)
{
if (IsPointingInsideKernel(mutexAddress))
{
return KernelResult.InvalidMemState;
}
if (IsAddressNotWordAligned(mutexAddress))
{
return KernelResult.InvalidAddress;
}
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
return currentProcess.AddressArbiter.ArbitrateUnlock(mutexAddress);
}
public KernelResult WaitProcessWideKeyAtomic64(
ulong mutexAddress,
ulong condVarAddress,
int handle,
long timeout)
{
return WaitProcessWideKeyAtomic(mutexAddress, condVarAddress, handle, timeout);
}
private KernelResult WaitProcessWideKeyAtomic(
ulong mutexAddress,
ulong condVarAddress,
int handle,
long timeout)
{
if (IsPointingInsideKernel(mutexAddress))
{
return KernelResult.InvalidMemState;
}
if (IsAddressNotWordAligned(mutexAddress))
{
return KernelResult.InvalidAddress;
}
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
return currentProcess.AddressArbiter.WaitProcessWideKeyAtomic(
mutexAddress,
condVarAddress,
handle,
timeout);
}
public KernelResult SignalProcessWideKey64(ulong address, int count)
{
return SignalProcessWideKey(address, count);
}
private KernelResult SignalProcessWideKey(ulong address, int count)
{
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
currentProcess.AddressArbiter.SignalProcessWideKey(address, count);
return KernelResult.Success;
}
public KernelResult WaitForAddress64(ulong address, ArbitrationType type, int value, long timeout)
{
return WaitForAddress(address, type, value, timeout);
}
private KernelResult WaitForAddress(ulong address, ArbitrationType type, int value, long timeout)
{
if (IsPointingInsideKernel(address))
{
return KernelResult.InvalidMemState;
}
if (IsAddressNotWordAligned(address))
{
return KernelResult.InvalidAddress;
}
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KernelResult result;
switch (type)
{
case ArbitrationType.WaitIfLessThan:
result = currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, false, timeout);
break;
case ArbitrationType.DecrementAndWaitIfLessThan:
result = currentProcess.AddressArbiter.WaitForAddressIfLessThan(address, value, true, timeout);
break;
case ArbitrationType.WaitIfEqual:
result = currentProcess.AddressArbiter.WaitForAddressIfEqual(address, value, timeout);
break;
default:
result = KernelResult.InvalidEnumValue;
break;
}
return result;
}
public KernelResult SignalToAddress64(ulong address, SignalType type, int value, int count)
{
return SignalToAddress(address, type, value, count);
}
private KernelResult SignalToAddress(ulong address, SignalType type, int value, int count)
{
if (IsPointingInsideKernel(address))
{
return KernelResult.InvalidMemState;
}
if (IsAddressNotWordAligned(address))
{
return KernelResult.InvalidAddress;
}
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KernelResult result;
switch (type)
{
case SignalType.Signal:
result = currentProcess.AddressArbiter.Signal(address, count);
break;
case SignalType.SignalAndIncrementIfEqual:
result = currentProcess.AddressArbiter.SignalAndIncrementIfEqual(address, value, count);
break;
case SignalType.SignalAndModifyIfEqual:
result = currentProcess.AddressArbiter.SignalAndModifyIfEqual(address, value, count);
break;
default:
result = KernelResult.InvalidEnumValue;
break;
}
return result;
}
private bool IsPointingInsideKernel(ulong address)
{
return (address + 0x1000000000) < 0xffffff000;
}
private bool IsAddressNotWordAligned(ulong address)
{
return (address & 3) != 0;
}
}
}
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