Ryujinx/Ryujinx/OsHle/Svc/SvcSystem.cs

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using ChocolArm64.Memory;
using ChocolArm64.State;
using Ryujinx.OsHle.Handles;
using Ryujinx.OsHle.Ipc;
using System;
namespace Ryujinx.OsHle.Svc
{
partial class SvcHandler
{
private static void SvcCloseHandle(Switch Ns, ARegisters Registers, AMemory Memory)
{
int Handle = (int)Registers.X0;
Ns.Os.CloseHandle(Handle);
Registers.X0 = (int)SvcResult.Success;
}
private static void SvcResetSignal(Switch Ns, ARegisters Registers, AMemory Memory)
{
int Handle = (int)Registers.X0;
//TODO: Implement events.
Registers.X0 = (int)SvcResult.Success;
}
private static void SvcWaitSynchronization(Switch Ns, ARegisters Registers, AMemory Memory)
{
long HandlesPtr = (long)Registers.X0;
int HandlesCount = (int)Registers.X2;
long Timeout = (long)Registers.X3;
//TODO: Implement events.
Registers.X0 = (int)SvcResult.Success;
}
private static void SvcGetSystemTick(Switch Ns, ARegisters Registers, AMemory Memory)
{
Registers.X0 = (ulong)Registers.CntpctEl0;
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}
private static void SvcConnectToNamedPort(Switch Ns, ARegisters Registers, AMemory Memory)
{
long StackPtr = (long)Registers.X0;
long NamePtr = (long)Registers.X1;
string Name = AMemoryHelper.ReadAsciiString(Memory, NamePtr, 8);
//TODO: Validate that app has perms to access the service, and that the service
//actually exists, return error codes otherwise.
HSession Session = new HSession(Name);
Registers.X1 = (ulong)Ns.Os.Handles.GenerateId(Session);
Registers.X0 = (int)SvcResult.Success;
}
private static void SvcSendSyncRequest(Switch Ns, ARegisters Registers, AMemory Memory)
{
SendSyncRequest(Ns, Registers, Memory, false);
}
private static void SvcSendSyncRequestWithUserBuffer(Switch Ns, ARegisters Registers, AMemory Memory)
{
SendSyncRequest(Ns, Registers, Memory, true);
}
private static void SendSyncRequest(Switch Ns, ARegisters Registers, AMemory Memory, bool IsUser)
{
long CmdPtr = Registers.Tpidr;
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long Size = 0x100;
int Handle = 0;
if (IsUser)
{
CmdPtr = (long)Registers.X0;
Size = (long)Registers.X1;
Handle = (int)Registers.X2;
}
else
{
Handle = (int)Registers.X0;
}
byte[] CmdData = AMemoryHelper.ReadBytes(Memory, CmdPtr, (int)Size);
HSession Session = Ns.Os.Handles.GetData<HSession>(Handle);
IpcMessage Cmd = new IpcMessage(CmdData, CmdPtr, Session is HDomain);
if (Session != null)
{
IpcHandler.ProcessRequest(Ns, Memory, Session, Cmd, CmdPtr, Handle);
byte[] Response = AMemoryHelper.ReadBytes(Memory, CmdPtr, (int)Size);
Registers.X0 = (int)SvcResult.Success;
}
else
{
Registers.X0 = (int)SvcResult.ErrBadIpcReq;
}
}
private static void SvcBreak(Switch Ns, ARegisters Registers, AMemory Memory)
{
long Reason = (long)Registers.X0;
long Unknown = (long)Registers.X1;
long Info = (long)Registers.X2;
throw new Exception($"SvcBreak: {Reason} {Unknown} {Info}");
}
private static void SvcOutputDebugString(Switch Ns, ARegisters Registers, AMemory Memory)
{
long Position = (long)Registers.X0;
long Size = (long)Registers.X1;
string Str = AMemoryHelper.ReadAsciiString(Memory, Position, (int)Size);
Console.WriteLine($"SvcOutputDebugString: {Str}");
Registers.X0 = (int)SvcResult.Success;
}
private static void SvcGetInfo(Switch Ns, ARegisters Registers, AMemory Memory)
{
long StackPtr = (long)Registers.X0;
int InfoType = (int)Registers.X1;
long Handle = (long)Registers.X2;
int InfoId = (int)Registers.X3;
//Fail for info not available on older Kernel versions.
if (InfoType == 18 ||
InfoType == 19)
{
Registers.X0 = (int)SvcResult.ErrBadInfo;
return;
}
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switch (InfoType)
{
case 2: Registers.X1 = GetMapRegionBaseAddr(); break;
case 3: Registers.X1 = GetMapRegionSize(); break;
case 4: Registers.X1 = GetHeapRegionBaseAddr(); break;
case 5: Registers.X1 = GetHeapRegionSize(); break;
case 6: Registers.X1 = GetTotalMem(Memory); break;
case 7: Registers.X1 = GetUsedMem(Memory); break;
case 11: Registers.X1 = GetRnd64(); break;
case 12: Registers.X1 = GetAddrSpaceBaseAddr(); break;
case 13: Registers.X1 = GetAddrSpaceSize(); break;
case 14: Registers.X1 = GetMapRegionBaseAddr(); break;
case 15: Registers.X1 = GetMapRegionSize(); break;
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default: throw new NotImplementedException($"SvcGetInfo: {InfoType} {Handle} {InfoId}");
}
Registers.X0 = (int)SvcResult.Success;
}
private static ulong GetTotalMem(AMemory Memory)
{
return (ulong)Memory.Manager.GetTotalMemorySize();
}
private static ulong GetUsedMem(AMemory Memory)
{
return (ulong)Memory.Manager.GetUsedMemorySize();
}
private static ulong GetRnd64()
{
return (ulong)Rng.Next() + ((ulong)Rng.Next() << 32);
}
private static ulong GetAddrSpaceBaseAddr()
{
return 0x08000000;
}
private static ulong GetAddrSpaceSize()
{
return AMemoryMgr.AddrSize - GetAddrSpaceBaseAddr();
}
private static ulong GetMapRegionBaseAddr()
{
return 0x80000000;
}
private static ulong GetMapRegionSize()
{
return 0x40000000;
}
private static ulong GetHeapRegionBaseAddr()
{
return GetMapRegionBaseAddr() + GetMapRegionSize();
}
private static ulong GetHeapRegionSize()
{
return 0x40000000;
}
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}
}