1  using Ryujinx.HLE.HOS.Kernel.Memory;
 2  using Ryujinx.HLE.HOS.Kernel.Process;
 3  using Ryujinx.HLE.HOS.Kernel.Threading;
 4  using Ryujinx.Horizon.Common;
 5  using System;
 6  using System.Threading;
 7  
 8  namespace Ryujinx.HLE.HOS.Kernel
 9  {
10      static class KernelStatic
11      {
12          [ThreadStatic]
13          private static KernelContext _context;
14  
15          [ThreadStatic]
16          private static KThread _currentThread;
17  
18          public static Result StartInitialProcess(
19              KernelContext context,
20              ProcessCreationInfo creationInfo,
21              ReadOnlySpan<uint> capabilities,
22              int mainThreadPriority,
23              ThreadStart customThreadStart)
24          {
25              KProcess process = new(context);
26  
27              Result result = process.Initialize(
28                  creationInfo,
29                  capabilities,
30                  context.ResourceLimit,
31                  MemoryRegion.Service,
32                  null,
33                  customThreadStart);
34  
35              if (result != Result.Success)
36              {
37                  return result;
38              }
39  
40              process.DefaultCpuCore = 3;
41  
42              context.Processes.TryAdd(process.Pid, process);
43  
44              return process.Start(mainThreadPriority, 0x1000UL);
45          }
46  
47          internal static void SetKernelContext(KernelContext context, KThread thread)
48          {
49              _context = context;
50              _currentThread = thread;
51          }
52  
53          internal static KThread GetCurrentThread()
54          {
55              return _currentThread;
56          }
57  
58          internal static KProcess GetCurrentProcess()
59          {
60              return GetCurrentThread().Owner;
61          }
62  
63          internal static KProcess GetProcessByPid(ulong pid)
64          {
65              if (_context.Processes.TryGetValue(pid, out KProcess process))
66              {
67                  return process;
68              }
69  
70              return null;
71          }
72      }
73  }