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using ChocolArm64.Memory;
using System.Text;
namespace Ryujinx.HLE.HOS
{
static class Homebrew
{
public const string TemporaryNroSuffix = ".ryu_tmp.nro";
//http://switchbrew.org/index.php?title=Homebrew_ABI
public static void WriteHbAbiData(MemoryManager Memory, long Position, int MainThreadHandle, string SwitchPath)
{
//MainThreadHandle.
WriteConfigEntry(Memory, ref Position, 1, 0, MainThreadHandle);
//NextLoadPath.
WriteConfigEntry(Memory, ref Position, 2, 0, Position + 0x200, Position + 0x400);
//Argv.
long ArgvPosition = Position + 0xC00;
Memory.WriteBytes(ArgvPosition, Encoding.ASCII.GetBytes(SwitchPath + "\0"));
WriteConfigEntry(Memory, ref Position, 5, 0, 0, ArgvPosition);
//AppletType.
WriteConfigEntry(Memory, ref Position, 7);
//EndOfList.
WriteConfigEntry(Memory, ref Position, 0);
}
private static void WriteConfigEntry(
MemoryManager Memory,
ref long Position,
int Key,
int Flags = 0,
long Value0 = 0,
long Value1 = 0)
{
Memory.WriteInt32(Position + 0x00, Key);
Memory.WriteInt32(Position + 0x04, Flags);
Memory.WriteInt64(Position + 0x08, Value0);
Memory.WriteInt64(Position + 0x10, Value1);
Position += 0x18;
}
public static string ReadHbAbiNextLoadPath(MemoryManager Memory, long Position)
{
string FileName = null;
while (true)
{
long Key = Memory.ReadInt64(Position);
if (Key == 2)
{
long Value0 = Memory.ReadInt64(Position + 0x08);
long Value1 = Memory.ReadInt64(Position + 0x10);
FileName = MemoryHelper.ReadAsciiString(Memory, Value0, Value1 - Value0);
break;
}
else if (Key == 0)
{
break;
}
Position += 0x18;
}
return FileName;
}
}
}
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