rjx-mirror/Ryujinx.HLE/DeviceMemory.cs
Thomas Guillemard 1aba033ba7 Update time implementation to 9.0.0 (#783)
* Fix 9.0.0 related services bindings

This was wrong because of a mistake on switchbrew.

* Fix wronog cmdid for ISteadyClock::GetTestOffset/SetTestOffset

* Update ClockCore logics to 9.0.0

Also apply 9.0.0 permissions and comment time:u, and time:a (as those
are going to be moved)

* Move every clocks instances + timezone to a global manager

* Start implementing time:m

Also prepare the skeleton of the shared memory

* Implement SystemClockContextUpdateCallback and co

* Update StaticService to 9.0.0

* Update ISystemClock to 9.0.0

* Rename IStaticService and add glue's IStaticService

* Implement psc's ITimeZoneService

* Integrate psc layer into glue for TimeZoneService

* Rename TimeZoneManagerForPsc => TimeZoneManager

* Use correct TimeZoneService interface for both StaticService implementations

* Accurately implement time shared memory operations

* Fix two critical flaws in TimeZone logic

The first one was the month range being different fron Nintendo one
(0-11 instead of 1-12)

The other flaw was a bad incrementation order during days & months
computation.

* Follow Nintendo's abort logic for TimeManager

* Avoid crashing when timezone sysarchive isn't present

* Update Readme

* Address comments

* Correctly align fields in ISystemClock

* Fix code style and some typos

* Improve timezone system archive warning/error messages

* Rearrange using definitions in Horizon.cs

* Address comments
2019-10-08 14:48:49 +11:00

194 lines
4.9 KiB
C#

using ARMeilleure.Memory;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE
{
class DeviceMemory : IDisposable
{
public const long RamSize = 4L * 1024 * 1024 * 1024;
public IntPtr RamPointer { get; }
private unsafe byte* _ramPtr;
public unsafe DeviceMemory()
{
RamPointer = MemoryManagement.AllocateWriteTracked(RamSize);
_ramPtr = (byte*)RamPointer;
}
public sbyte ReadSByte(long position)
{
return (sbyte)ReadByte(position);
}
public short ReadInt16(long position)
{
return (short)ReadUInt16(position);
}
public int ReadInt32(long position)
{
return (int)ReadUInt32(position);
}
public long ReadInt64(long position)
{
return (long)ReadUInt64(position);
}
public unsafe byte ReadByte(long position)
{
return *(_ramPtr + position);
}
public unsafe ushort ReadUInt16(long position)
{
return *((ushort*)(_ramPtr + position));
}
public unsafe uint ReadUInt32(long position)
{
return *((uint*)(_ramPtr + position));
}
public unsafe ulong ReadUInt64(long position)
{
return *((ulong*)(_ramPtr + position));
}
public unsafe T ReadStruct<T>(long position)
{
return Marshal.PtrToStructure<T>((IntPtr)(_ramPtr + position));
}
public void WriteSByte(long position, sbyte value)
{
WriteByte(position, (byte)value);
}
public void WriteInt16(long position, short value)
{
WriteUInt16(position, (ushort)value);
}
public void WriteInt32(long position, int value)
{
WriteUInt32(position, (uint)value);
}
public void WriteInt64(long position, long value)
{
WriteUInt64(position, (ulong)value);
}
public unsafe void WriteByte(long position, byte value)
{
*(_ramPtr + position) = value;
}
public unsafe void WriteUInt16(long position, ushort value)
{
*((ushort*)(_ramPtr + position)) = value;
}
public unsafe void WriteUInt32(long position, uint value)
{
*((uint*)(_ramPtr + position)) = value;
}
public unsafe void WriteUInt64(long position, ulong value)
{
*((ulong*)(_ramPtr + position)) = value;
}
public unsafe void WriteStruct<T>(long position, T value)
{
Marshal.StructureToPtr(value, (IntPtr)(_ramPtr + position), false);
}
public void FillWithZeros(long position, int size)
{
int size8 = size & ~(8 - 1);
for (int offs = 0; offs < size8; offs += 8)
{
WriteInt64(position + offs, 0);
}
for (int offs = size8; offs < (size - size8); offs++)
{
WriteByte(position + offs, 0);
}
}
public void Set(ulong address, byte value, ulong size)
{
if (address + size < address)
{
throw new ArgumentOutOfRangeException(nameof(size));
}
if (address + size > RamSize)
{
throw new ArgumentOutOfRangeException(nameof(address));
}
ulong size8 = size & ~7UL;
ulong valueRep = (ulong)value * 0x0101010101010101;
for (ulong offs = 0; offs < size8; offs += 8)
{
WriteUInt64((long)(address + offs), valueRep);
}
for (ulong offs = size8; offs < (size - size8); offs++)
{
WriteByte((long)(address + offs), value);
}
}
public void Copy(ulong dst, ulong src, ulong size)
{
if (dst + size < dst || src + size < src)
{
throw new ArgumentOutOfRangeException(nameof(size));
}
if (dst + size > RamSize)
{
throw new ArgumentOutOfRangeException(nameof(dst));
}
if (src + size > RamSize)
{
throw new ArgumentOutOfRangeException(nameof(src));
}
ulong size8 = size & ~7UL;
for (ulong offs = 0; offs < size8; offs += 8)
{
WriteUInt64((long)(dst + offs), ReadUInt64((long)(src + offs)));
}
for (ulong offs = size8; offs < (size - size8); offs++)
{
WriteByte((long)(dst + offs), ReadByte((long)(src + offs)));
}
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
MemoryManagement.Free(RamPointer);
}
}
}