private void SvcCreateTransferMemory(CpuThreadState ThreadState)
{
long Position = (long)ThreadState.X1;
long Size = (long)ThreadState.X2;
if (!PageAligned(Position))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{Position:x16} is not page aligned!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(Size) || Size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{Size:x16} is not page aligned or is zero!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if ((ulong)(Position + Size) <= (ulong)Position)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid region address 0x{Position:x16} / size 0x{Size:x16}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
MemoryPermission Permission = (MemoryPermission)ThreadState.X3;
if (Permission > MemoryPermission.ReadAndWrite || Permission == MemoryPermission.Write)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid permission {Permission}!");
ThreadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidPermission);
return;
}
Process.MemoryManager.ReserveTransferMemory(Position, Size, Permission);
KTransferMemory TransferMemory = new KTransferMemory(Position, Size);
KernelResult Result = Process.HandleTable.GenerateHandle(TransferMemory, out int Handle);
ThreadState.X0 = (uint)Result;
ThreadState.X1 = (ulong)Handle;
}
private void SvcCreateTransferMemory(CpuThreadState threadState)
{
ulong address = threadState.X1;
ulong size = threadState.X2;
if (!PageAligned(address))
{
Logger.PrintWarning(LogClass.KernelSvc, $"Address 0x{address:x16} is not page aligned!");
threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (!PageAligned(size) || size == 0)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Size 0x{size:x16} is not page aligned or is zero!");
threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidAddress);
return;
}
if (address + size <= address)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid region address 0x{address:x16} / size 0x{size:x16}!");
threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.NoAccessPerm);
return;
}
MemoryPermission permission = (MemoryPermission)threadState.X3;
if (permission > MemoryPermission.ReadAndWrite || permission == MemoryPermission.Write)
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid permission {permission}!");
threadState.X0 = MakeError(ErrorModule.Kernel, KernelErr.InvalidPermission);
return;
}
_process.MemoryManager.ReserveTransferMemory(address, size, permission);
KTransferMemory transferMemory = new KTransferMemory(address, size);
KernelResult result = _process.HandleTable.GenerateHandle(transferMemory, out int handle);
threadState.X0 = (uint)result;
threadState.X1 = (ulong)handle;
}