ryujinx/Ryujinx.HLE/HOS/Homebrew.cs

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C#
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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;
}
}
}