private static int Alloc(ServiceCtx context)
{
long inputPosition = context.Request.GetBufferType0x21().Position;
long outputPosition = context.Request.GetBufferType0x22().Position;
NvMapAlloc args = MemoryHelper.Read <NvMapAlloc>(context.Memory, inputPosition);
NvMapHandle map = GetNvMap(context, args.Handle);
if (map == null)
{
Logger.PrintWarning(LogClass.ServiceNv, $"Invalid handle 0x{args.Handle:x8}!");
return(NvResult.InvalidInput);
}
if ((args.Align & (args.Align - 1)) != 0)
{
Logger.PrintWarning(LogClass.ServiceNv, $"Invalid alignment 0x{args.Align:x8}!");
return(NvResult.InvalidInput);
}
if ((uint)args.Align < NvGpuVmm.PageSize)
{
args.Align = NvGpuVmm.PageSize;
}
int result = NvResult.Success;
if (!map.Allocated)
{
map.Allocated = true;
map.Align = args.Align;
map.Kind = (byte)args.Kind;
int size = IntUtils.AlignUp(map.Size, NvGpuVmm.PageSize);
long address = args.Address;
if (address == 0)
{
//When the address is zero, we need to allocate
//our own backing memory for the NvMap.
//TODO: Is this allocation inside the transfer memory?
result = NvResult.OutOfMemory;
}
if (result == NvResult.Success)
{
map.Size = size;
map.Address = address;
}
}
MemoryHelper.Write(context.Memory, outputPosition, args);
return(result);
}
private static int Alloc(ServiceCtx Context)
{
long InputPosition = Context.Request.GetBufferType0x21().Position;
long OutputPosition = Context.Request.GetBufferType0x22().Position;
NvMapAlloc Args = MemoryHelper.Read <NvMapAlloc>(Context.Memory, InputPosition);
NvMapHandle Map = GetNvMap(Context, Args.Handle);
if (Map == null)
{
Logger.PrintWarning(LogClass.ServiceNv, $"Invalid handle 0x{Args.Handle:x8}!");
return(NvResult.InvalidInput);
}
if ((Args.Align & (Args.Align - 1)) != 0)
{
Logger.PrintWarning(LogClass.ServiceNv, $"Invalid alignment 0x{Args.Align:x8}!");
return(NvResult.InvalidInput);
}
if ((uint)Args.Align < NvGpuVmm.PageSize)
{
Args.Align = NvGpuVmm.PageSize;
}
int Result = NvResult.Success;
if (!Map.Allocated)
{
Map.Allocated = true;
Map.Align = Args.Align;
Map.Kind = (byte)Args.Kind;
int Size = IntUtils.AlignUp(Map.Size, NvGpuVmm.PageSize);
long Address = Args.Address;
if (Address == 0)
{
//When the address is zero, we need to allocate
//our own backing memory for the NvMap.
//TODO: Is this allocation inside the transfer memory?
Result = NvResult.OutOfMemory;
}
if (Result == NvResult.Success)
{
Map.Size = Size;
Map.Address = Address;
}
}
MemoryHelper.Write(Context.Memory, OutputPosition, Args);
return(Result);
}
