public Npdm(Stream NPDMStream)
{
BinaryReader Reader = new BinaryReader(NPDMStream);
if (Reader.ReadInt32() != NpdmMagic)
{
throw new InvalidNpdmException("NPDM Stream doesn't contain NPDM file!");
}
Reader.ReadInt64(); // Padding / Unused
// MmuFlags, bit0: 64-bit instructions, bits1-3: address space width (1=64-bit, 2=32-bit). Needs to be <= 0xF
byte MmuFlags = Reader.ReadByte();
Is64Bits = (MmuFlags & 1) != 0;
AddressSpaceWidth = (MmuFlags >> 1) & 7;
Reader.ReadByte(); // Padding / Unused
MainThreadPriority = Reader.ReadByte(); // (0-63)
DefaultCpuId = Reader.ReadByte();
Reader.ReadInt32(); // Padding / Unused
// System resource size (max size as of 5.x: 534773760). Unknown usage.
SystemResourceSize = EndianSwap.Swap32(Reader.ReadInt32());
// ProcessCategory (0: regular title, 1: kernel built-in). Should be 0 here.
ProcessCategory = EndianSwap.Swap32(Reader.ReadInt32());
// Main entrypoint stack size
// (Should(?) be page-aligned. In non-nspwn scenarios, values of 0 can also rarely break in Horizon.
// This might be something auto-adapting or a security feature of some sort ?)
MainEntrypointStackSize = Reader.ReadInt32();
byte[] TempTitleName = Reader.ReadBytes(0x10);
TitleName = Encoding.UTF8.GetString(TempTitleName, 0, TempTitleName.Length).Trim('\0');
ProductCode = Reader.ReadBytes(0x10); // Unknown value
NPDMStream.Seek(0x30, SeekOrigin.Current); // Skip reserved bytes
ACI0Offset = Reader.ReadInt32();
ACI0Size = Reader.ReadInt32();
ACIDOffset = Reader.ReadInt32();
ACIDSize = Reader.ReadInt32();
ACI0 = new ACI0(NPDMStream, ACI0Offset);
ACID = new ACID(NPDMStream, ACIDOffset);
FSPerms = ACI0.FSAccessHeader.PermissionsBitmask & ACID.FSAccessControl.PermissionsBitmask;
}
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, bit0: 64-bit instructions, bits1-3: address space width (1=64-bit, 2=32-bit). Needs to be <= 0xF.
byte MmuFlags = Reader.ReadByte();
Is64Bits = (MmuFlags & 1) != 0;
AddressSpaceWidth = (MmuFlags >> 1) & 7;
Reader.ReadByte();
MainThreadPriority = Reader.ReadByte(); //(0-63).
DefaultCpuId = Reader.ReadByte();
Reader.ReadInt32();
//System resource size (max size as of 5.x: 534773760).
SystemResourceSize = EndianSwap.Swap32(Reader.ReadInt32());
//ProcessCategory (0: regular title, 1: kernel built-in). Should be 0 here.
ProcessCategory = EndianSwap.Swap32(Reader.ReadInt32());
//Main entrypoint stack size.
MainEntrypointStackSize = 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);
}
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);
}
