public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
{
if (channelCount == 0)
{
channelCount = 2;
}
if (sampleRate == 0)
{
sampleRate = Constants.TargetSampleRate;
}
if (direction != Direction.Output)
{
throw new ArgumentException($"{direction}");
}
else if (!SupportsChannelCount(channelCount))
{
throw new ArgumentException($"{channelCount}");
}
lock (_lock)
{
OpenALHardwareDeviceSession session = new OpenALHardwareDeviceSession(this, memoryManager, sampleFormat, sampleRate, channelCount);
_sessions.Add(session);
return(session);
}
}
private uint ListAudioInsImpl(IVirtualMemoryManager memory, long bufferPosition, long bufferSize, bool filtered = false)
{
uint count = 0;
MemoryHelper.FillWithZeros(memory, bufferPosition, (int)bufferSize);
if (bufferSize > 0)
{
// NOTE: The service also check that the input target is enabled when in filtering mode, as audctl and most of the audin logic isn't supported, we don't support it.
if (!filtered)
{
byte[] deviceNameBuffer = Encoding.ASCII.GetBytes(DefaultAudioInsName + "\0");
memory.Write((ulong)bufferPosition, deviceNameBuffer);
count++;
}
// NOTE: The service adds other input devices names available in the buffer,
// every name is aligned to 0x100 bytes.
// Since we don't support it for now, it's fine to do nothing here.
}
return(count);
}
public IRoInterface(ServiceCtx context)
{
_nrrInfos = new List <NrrInfo>(MaxNrr);
_nroInfos = new List <NroInfo>(MaxNro);
_owner = null;
_ownerMm = null;
}
private void DeserializeAddrInfos(IVirtualMemoryManager memory, ulong address, ulong size)
{
ulong endAddress = address + size;
while (address < endAddress)
{
AddrInfoSerializedHeader header = memory.Read <AddrInfoSerializedHeader>(address);
if (header.Magic != SfdnsresContants.AddrInfoMagic)
{
break;
}
address += (ulong)Unsafe.SizeOf <AddrInfoSerializedHeader>() + header.AddressLength;
// ai_canonname
string canonname = string.Empty;
while (true)
{
byte chr = memory.Read <byte>(address++);
if (chr == 0)
{
break;
}
canonname += (char)chr;
}
}
}
public HardwareDeviceSessionOutputBase(IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount)
{
MemoryManager = memoryManager;
RequestedSampleFormat = requestedSampleFormat;
RequestedSampleRate = requestedSampleRate;
RequestedChannelCount = requestedChannelCount;
}
/// <summary>
/// Create a new tracking structure for the given "physical" memory block,
/// with a given "virtual" memory manager that will provide mappings and virtual memory protection.
/// </summary>
/// <param name="memoryManager">Virtual memory manager</param>
/// <param name="block">Physical memory block</param>
/// <param name="pageSize">Page size of the virtual memory space</param>
public MemoryTracking(IVirtualMemoryManager memoryManager, int pageSize)
{
_memoryManager = memoryManager;
_pageSize = pageSize;
_virtualRegions = new NonOverlappingRangeList <VirtualRegion>();
}
public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
{
if (channelCount == 0)
{
channelCount = 2;
}
if (sampleRate == 0)
{
sampleRate = Constants.TargetSampleRate;
}
if (direction != Direction.Output)
{
throw new NotImplementedException("Input direction is currently not implemented on SoundIO backend!");
}
lock (_lock)
{
SoundIoHardwareDeviceSession session = new SoundIoHardwareDeviceSession(this, memoryManager, sampleFormat, sampleRate, channelCount);
_sessions.Add(session);
return(session);
}
}
public bool DrawTo(RenderingSurfaceInfo surfaceInfo, IVirtualMemoryManager destination, ulong position)
{
_npads?.Update();
_keyboardRenderer?.SetSurfaceInfo(surfaceInfo);
return(_keyboardRenderer?.DrawTo(destination, position) ?? false);
}
/// <summary>
/// Create a new tracking structure for the given "physical" memory block,
/// with a given "virtual" memory manager that will provide mappings and virtual memory protection.
/// </summary>
/// <param name="memoryManager">Virtual memory manager</param>
/// <param name="block">Physical memory block</param>
/// <param name="pageSize">Page size of the virtual memory space</param>
public MemoryTracking(IVirtualMemoryManager memoryManager, int pageSize, InvalidAccessHandler invalidAccessHandler = null)
{
_memoryManager = memoryManager;
_pageSize = pageSize;
_invalidAccessHandler = invalidAccessHandler;
_virtualRegions = new NonOverlappingRangeList <VirtualRegion>();
}
public SoundIoHardwareDeviceSession(SoundIoHardwareDeviceDriver driver, IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount) : base(memoryManager, requestedSampleFormat, requestedSampleRate, requestedChannelCount)
{
_driver = driver;
_updateRequiredEvent = _driver.GetUpdateRequiredEvent();
_queuedBuffers = new ConcurrentQueue <SoundIoAudioBuffer>();
_ringBuffer = new DynamicRingBuffer();
SetupOutputStream();
}
public OpenALHardwareDeviceSession(OpenALHardwareDeviceDriver driver, IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount) : base(memoryManager, requestedSampleFormat, requestedSampleRate, requestedChannelCount)
{
_driver = driver;
_queuedBuffers = new Queue <OpenALAudioBuffer>();
_sourceId = AL.GenSource();
_targetFormat = GetALFormat();
_isActive = false;
_playedSampleCount = 0;
}
/// <summary>
/// Create a new tracking structure for the given "physical" memory block,
/// with a given "virtual" memory manager that will provide mappings and virtual memory protection.
/// </summary>
/// <param name="memoryManager">Virtual memory manager</param>
/// <param name="block">Physical memory block</param>
/// <param name="pageSize">Page size of the virtual memory space</param>
public MemoryTracking(IVirtualMemoryManager memoryManager, MemoryBlock block, int pageSize)
{
_memoryManager = memoryManager;
_block = block;
_pageSize = pageSize;
_virtualRegions = new NonOverlappingRangeList <VirtualRegion>();
_physicalRegions = new NonOverlappingRangeList <PhysicalRegion>();
}
public CommandList(IVirtualMemoryManager memoryManager, Memory <float> mixBuffer, uint sampleCount, uint sampleRate, uint mixBufferCount, uint voiceChannelCountMax)
{
SampleCount = sampleCount;
SampleRate = sampleRate;
BufferCount = mixBufferCount + voiceChannelCountMax;
Buffers = mixBuffer;
Commands = new List <ICommand>();
MemoryManager = memoryManager;
}
public NvHostChannelDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, long owner) : base(context, owner)
{
_device = context.Device;
_memory = memory;
_timeout = 3000;
_submitTimeout = 0;
_timeslice = 0;
ChannelSyncpoints = new uint[MaxModuleSyncpoint];
_channelSyncpoint.Id = _device.System.HostSyncpoint.AllocateSyncpoint(false);
_channelSyncpoint.UpdateValue(_device.System.HostSyncpoint);
}
public CommandList(IVirtualMemoryManager memoryManager, Memory <float> mixBuffer, uint sampleCount, uint sampleRate, uint mixBufferCount, uint voiceChannelCountMax)
{
SampleCount = sampleCount;
_sampleCount = (int)SampleCount;
SampleRate = sampleRate;
BufferCount = mixBufferCount + voiceChannelCountMax;
Buffers = mixBuffer;
Commands = new List <ICommand>();
MemoryManager = memoryManager;
_buffersEntryCount = Buffers.Length;
_buffersMemoryHandle = Buffers.Pin();
}
public unsafe static void Write <T>(IVirtualMemoryManager memory, long position, T value) where T : struct
{
long size = Marshal.SizeOf <T>();
byte[] data = new byte[size];
fixed(byte *ptr = data)
{
Marshal.StructureToPtr <T>(value, (IntPtr)ptr, false);
}
memory.Write((ulong)position, data);
}
public SDL2HardwareDeviceSession(SDL2HardwareDeviceDriver driver, IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount, float requestedVolume) : base(memoryManager, requestedSampleFormat, requestedSampleRate, requestedChannelCount)
{
_driver = driver;
_updateRequiredEvent = _driver.GetUpdateRequiredEvent();
_queuedBuffers = new ConcurrentQueue <SDL2AudioBuffer>();
_ringBuffer = new DynamicRingBuffer();
_callbackDelegate = Update;
_bytesPerFrame = BackendHelper.GetSampleSize(RequestedSampleFormat) * (int)RequestedChannelCount;
_nativeSampleFormat = SDL2HardwareDeviceDriver.GetSDL2Format(RequestedSampleFormat);
_sampleCount = uint.MaxValue;
_started = false;
_volume = requestedVolume;
}
public unsafe static T Read <T>(IVirtualMemoryManager memory, ulong position) where T : struct
{
long size = Marshal.SizeOf <T>();
byte[] data = new byte[size];
memory.Read(position, data);
fixed(byte *ptr = data)
{
return(Marshal.PtrToStructure <T>((IntPtr)ptr));
}
}
public static void FillWithZeros(IVirtualMemoryManager memory, ulong position, int size)
{
int size8 = size & ~(8 - 1);
for (int offs = 0; offs < size8; offs += 8)
{
memory.Write <long>(position + (ulong)offs, 0);
}
for (int offs = size8; offs < (size - size8); offs++)
{
memory.Write <byte>(position + (ulong)offs, 0);
}
}
public NvHostCtrlDeviceFile(ServiceCtx context, IVirtualMemoryManager memory, long owner) : base(context, owner)
{
if (NxSettings.Settings.TryGetValue("nv!rmos_set_production_mode", out object productionModeSetting))
{
_isProductionMode = ((string)productionModeSetting) != "0"; // Default value is ""
}
else
{
_isProductionMode = true;
}
_device = context.Device;
_events = new NvHostEvent[EventsCount];
}
private ElfSymbol GetSymbol32(IVirtualMemoryManager memory, ulong address, ulong strTblAddr)
{
ElfSymbol32 sym = memory.Read <ElfSymbol32>(address);
uint nameIndex = sym.NameOffset;
string name = string.Empty;
for (int chr; (chr = memory.Read <byte>(strTblAddr + nameIndex++)) != 0;)
{
name += (char)chr;
}
return(new ElfSymbol(name, sym.Info, sym.Other, sym.SectionIndex, sym.ValueAddress, sym.Size));
}
internal bool DrawTo(RenderingSurfaceInfo surfaceInfo, IVirtualMemoryManager destination, ulong position)
{
lock (_renderLock)
{
if (!_surfaceInfo.Equals(surfaceInfo))
{
_surfaceInfo = surfaceInfo;
RecreateSurface();
RecomputeConstants();
}
Redraw();
return(TryCopyTo(destination, position));
}
}
private static void ZeroFill(IVirtualMemoryManager memoryManager, ulong address, int size)
{
ulong endAddress = address + (ulong)size;
while (address + 7UL < endAddress)
{
memoryManager.Write(address, 0UL);
address += 8;
}
while (address < endAddress)
{
memoryManager.Write(address, (byte)0);
address++;
}
}
/// <summary>
/// Open a new <see cref="AudioOutputSystem"/>.
/// </summary>
/// <param name="outputDeviceName">The output device name selected by the <see cref="AudioOutputSystem"/></param>
/// <param name="outputConfiguration">The output audio configuration selected by the <see cref="AudioOutputSystem"/></param>
/// <param name="obj">The new <see cref="AudioOutputSystem"/></param>
/// <param name="memoryManager">The memory manager that will be used for all guest memory operations</param>
/// <param name="inputDeviceName">The input device name wanted by the user</param>
/// <param name="sampleFormat">The sample format to use</param>
/// <param name="parameter">The user configuration</param>
/// <param name="appletResourceUserId">The applet resource user id of the application</param>
/// <param name="processHandle">The process handle of the application</param>
/// <returns>A <see cref="ResultCode"/> reporting an error or a success</returns>
public ResultCode OpenAudioOut(out string outputDeviceName,
out AudioOutputConfiguration outputConfiguration,
out AudioOutputSystem obj,
IVirtualMemoryManager memoryManager,
string inputDeviceName,
SampleFormat sampleFormat,
ref AudioInputConfiguration parameter,
ulong appletResourceUserId,
uint processHandle,
float volume)
{
int sessionId = AcquireSessionId();
_sessionsBufferEvents[sessionId].Clear();
IHardwareDeviceSession deviceSession = _deviceDriver.OpenDeviceSession(IHardwareDeviceDriver.Direction.Output, memoryManager, sampleFormat, parameter.SampleRate, parameter.ChannelCount, volume);
AudioOutputSystem audioOut = new AudioOutputSystem(this, _lock, deviceSession, _sessionsBufferEvents[sessionId]);
ResultCode result = audioOut.Initialize(inputDeviceName, sampleFormat, ref parameter, sessionId);
if (result == ResultCode.Success)
{
outputDeviceName = audioOut.DeviceName;
outputConfiguration = new AudioOutputConfiguration
{
ChannelCount = audioOut.ChannelCount,
SampleFormat = audioOut.SampleFormat,
SampleRate = audioOut.SampleRate,
AudioOutState = audioOut.GetState(),
};
obj = audioOut;
Register(audioOut);
}
else
{
ReleaseSessionId(sessionId);
obj = null;
outputDeviceName = null;
outputConfiguration = default;
}
return(result);
}
public void Borrow(KProcess dstProcess, ulong va)
{
ulong currentOffset = 0;
foreach (KPageNode pageNode in _pageList)
{
ulong address = pageNode.Address - DramMemoryMap.DramBase;
ulong size = pageNode.PagesCount * KPageTableBase.PageSize;
dstProcess.CpuMemory.Write(va + currentOffset, _context.Memory.GetSpan(address + currentOffset, (int)size));
currentOffset += size;
}
_borrowerMemory = dstProcess.CpuMemory;
_borrowerVa = va;
}
public ServiceCtx(
Switch device,
KProcess process,
IVirtualMemoryManager memory,
KThread thread,
IpcMessage request,
IpcMessage response,
BinaryReader requestData,
BinaryWriter responseData)
{
Device = device;
Process = process;
Memory = memory;
Thread = thread;
Request = request;
Response = response;
RequestData = requestData;
ResponseData = responseData;
}
public static string ReadAsciiString(IVirtualMemoryManager memory, ulong position, long maxSize = -1)
{
using (MemoryStream ms = new MemoryStream())
{
for (long offs = 0; offs < maxSize || maxSize == -1; offs++)
{
byte value = memory.Read <byte>(position + (ulong)offs);
if (value == 0)
{
break;
}
ms.WriteByte(value);
}
return(Encoding.ASCII.GetString(ms.ToArray()));
}
}
private static void DeserializeAddrInfos(IVirtualMemoryManager memory, ulong address, ulong size)
{
ulong endAddress = address + size;
while (address < endAddress)
{
AddrInfoSerializedHeader header = memory.Read <AddrInfoSerializedHeader>(address);
if (header.Magic != SfdnsresContants.AddrInfoMagic)
{
break;
}
address += (ulong)Unsafe.SizeOf <AddrInfoSerializedHeader>() + header.AddressLength;
// ai_canonname
string canonname = MemoryHelper.ReadAsciiString(memory, address);
}
}
// Initialize(u64, pid, KObject)
public ResultCode Initialize(ServiceCtx context)
{
if (_owner != null)
{
return(ResultCode.InvalidSession);
}
int processHandle = context.Request.HandleDesc.ToCopy[0];
_owner = context.Process.HandleTable.GetKProcess(processHandle);
_ownerMm = _owner?.CpuMemory;
context.Device.System.KernelContext.Syscall.CloseHandle(processHandle);
if (_ownerMm is IRefCounted rc)
{
rc.IncrementReferenceCount();
}
return(ResultCode.Success);
}
private static List <AddrInfoSerialized> DeserializeAddrInfos(IVirtualMemoryManager memory, ulong address, ulong size)
{
List <AddrInfoSerialized> result = new List <AddrInfoSerialized>();
ReadOnlySpan <byte> data = memory.GetSpan(address, (int)size);
while (!data.IsEmpty)
{
AddrInfoSerialized info = AddrInfoSerialized.Read(data, out data);
if (info == null)
{
break;
}
result.Add(info);
}
return(result);
}
