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Ryujinx/Ryujinx.HLE/Loaders/Npdm/Npdm.cs
gdkchan 00579927e4
Better process implementation (#491)
* Initial implementation of KProcess

* Some improvements to the memory manager, implement back guest stack trace printing

* Better GetInfo implementation, improve checking in some places with information from process capabilities

* Allow the cpu to read/write from the correct memory locations for accesses crossing a page boundary

* Change long -> ulong for address/size on memory related methods to avoid unnecessary casts

* Attempt at implementing ldr:ro with new KProcess

* Allow BSS with size 0 on ldr:ro

* Add checking for memory block slab heap usage, return errors if full, exit gracefully

* Use KMemoryBlockSize const from KMemoryManager

* Allow all methods to read from non-contiguous locations

* Fix for TransactParcelAuto

* Address PR feedback, additionally fix some small issues related to the KIP loader and implement SVCs GetProcessId, GetProcessList, GetSystemInfo, CreatePort and ManageNamedPort

* Fix wrong check for source pages count from page list on MapPhysicalMemory

* Fix some issues with UnloadNro on ldr:ro
2018-11-28 20:18:09 -02:00

72 lines
2.4 KiB
C#

using Ryujinx.HLE.Exceptions;
using System.IO;
using System.Text;
namespace Ryujinx.HLE.Loaders.Npdm
{
//https://github.com/SciresM/hactool/blob/master/npdm.c
//https://github.com/SciresM/hactool/blob/master/npdm.h
//http://switchbrew.org/index.php?title=NPDM
class Npdm
{
private const int MetaMagic = 'M' << 0 | 'E' << 8 | 'T' << 16 | 'A' << 24;
public byte MmuFlags { get; private set; }
public bool Is64Bits { get; private set; }
public byte MainThreadPriority { get; private set; }
public byte DefaultCpuId { get; private set; }
public int PersonalMmHeapSize { get; private set; }
public int ProcessCategory { get; private set; }
public int MainThreadStackSize { get; private set; }
public string TitleName { get; private set; }
public byte[] ProductCode { get; private set; }
public ACI0 ACI0 { get; private set; }
public ACID ACID { get; private set; }
public Npdm(Stream Stream)
{
BinaryReader Reader = new BinaryReader(Stream);
if (Reader.ReadInt32() != MetaMagic)
{
throw new InvalidNpdmException("NPDM Stream doesn't contain NPDM file!");
}
Reader.ReadInt64();
MmuFlags = Reader.ReadByte();
Is64Bits = (MmuFlags & 1) != 0;
Reader.ReadByte();
MainThreadPriority = Reader.ReadByte();
DefaultCpuId = Reader.ReadByte();
Reader.ReadInt32();
PersonalMmHeapSize = Reader.ReadInt32();
ProcessCategory = Reader.ReadInt32();
MainThreadStackSize = Reader.ReadInt32();
byte[] TempTitleName = Reader.ReadBytes(0x10);
TitleName = Encoding.UTF8.GetString(TempTitleName, 0, TempTitleName.Length).Trim('\0');
ProductCode = Reader.ReadBytes(0x10);
Stream.Seek(0x30, SeekOrigin.Current);
int ACI0Offset = Reader.ReadInt32();
int ACI0Size = Reader.ReadInt32();
int ACIDOffset = Reader.ReadInt32();
int ACIDSize = Reader.ReadInt32();
ACI0 = new ACI0(Stream, ACI0Offset);
ACID = new ACID(Stream, ACIDOffset);
}
}
}