1  using Ryujinx.HLE.HOS.Kernel.Common;
 2  using System;
 3  
 4  namespace Ryujinx.HLE
 5  {
 6      public enum MemoryConfiguration
 7      {
 8          MemoryConfiguration4GiB = 0,
 9          MemoryConfiguration4GiBAppletDev = 1,
10          MemoryConfiguration4GiBSystemDev = 2,
11          MemoryConfiguration6GiB = 3,
12          MemoryConfiguration6GiBAppletDev = 4,
13          MemoryConfiguration8GiB = 5,
14      }
15  
16      static class MemoryConfigurationExtensions
17      {
18          private const ulong GiB = 1024 * 1024 * 1024;
19  
20  #pragma warning disable IDE0055 // Disable formatting
21          public static MemoryArrange ToKernelMemoryArrange(this MemoryConfiguration configuration)
22          {
23              return configuration switch
24              {
25                  MemoryConfiguration.MemoryConfiguration4GiB          => MemoryArrange.MemoryArrange4GiB,
26                  MemoryConfiguration.MemoryConfiguration4GiBAppletDev => MemoryArrange.MemoryArrange4GiBAppletDev,
27                  MemoryConfiguration.MemoryConfiguration4GiBSystemDev => MemoryArrange.MemoryArrange4GiBSystemDev,
28                  MemoryConfiguration.MemoryConfiguration6GiB          => MemoryArrange.MemoryArrange6GiB,
29                  MemoryConfiguration.MemoryConfiguration6GiBAppletDev => MemoryArrange.MemoryArrange6GiBAppletDev,
30                  MemoryConfiguration.MemoryConfiguration8GiB          => MemoryArrange.MemoryArrange8GiB,
31                  _ => throw new AggregateException($"Invalid memory configuration \"{configuration}\"."),
32              };
33          }
34  
35          public static MemorySize ToKernelMemorySize(this MemoryConfiguration configuration)
36          {
37              return configuration switch
38              {
39                  MemoryConfiguration.MemoryConfiguration4GiB or
40                  MemoryConfiguration.MemoryConfiguration4GiBAppletDev or
41                  MemoryConfiguration.MemoryConfiguration4GiBSystemDev => MemorySize.MemorySize4GiB,
42                  MemoryConfiguration.MemoryConfiguration6GiB or
43                  MemoryConfiguration.MemoryConfiguration6GiBAppletDev => MemorySize.MemorySize6GiB,
44                  MemoryConfiguration.MemoryConfiguration8GiB          => MemorySize.MemorySize8GiB,
45                  _ => throw new AggregateException($"Invalid memory configuration \"{configuration}\"."),
46              };
47          }
48  
49          public static ulong ToDramSize(this MemoryConfiguration configuration)
50          {
51              return configuration switch
52              {
53                  MemoryConfiguration.MemoryConfiguration4GiB or
54                  MemoryConfiguration.MemoryConfiguration4GiBAppletDev or
55                  MemoryConfiguration.MemoryConfiguration4GiBSystemDev => 4 * GiB,
56                  MemoryConfiguration.MemoryConfiguration6GiB or
57                  MemoryConfiguration.MemoryConfiguration6GiBAppletDev => 6 * GiB,
58                  MemoryConfiguration.MemoryConfiguration8GiB          => 8 * GiB,
59                  _ => throw new AggregateException($"Invalid memory configuration \"{configuration}\"."),
60              };
61          }
62  #pragma warning restore IDE0055
63      }
64  }