R/Ryujinx.HLE/MemoryConfiguration.cs
Wunk d536cc8ae6
Update units of memory from decimal to binary prefixes (#3716)
`MB` and `GB` can either be interpreted as having base-10 units, or
base-2. `MiB` and `GiB` removes this discrepancy so that units of memory
are always interpreted using base-2 units.
2022-11-16 23:27:42 +01:00

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2.9 KiB
C#

using Ryujinx.HLE.HOS.Kernel.Common;
using System;
namespace Ryujinx.HLE
{
public enum MemoryConfiguration
{
MemoryConfiguration4GiB = 0,
MemoryConfiguration4GiBAppletDev = 1,
MemoryConfiguration4GiBSystemDev = 2,
MemoryConfiguration6GiB = 3,
MemoryConfiguration6GiBAppletDev = 4,
MemoryConfiguration8GiB = 5
}
static class MemoryConfigurationExtensions
{
private const ulong GiB = 1024 * 1024 * 1024;
public static MemoryArrange ToKernelMemoryArrange(this MemoryConfiguration configuration)
{
return configuration switch
{
MemoryConfiguration.MemoryConfiguration4GiB => MemoryArrange.MemoryArrange4GiB,
MemoryConfiguration.MemoryConfiguration4GiBAppletDev => MemoryArrange.MemoryArrange4GiBAppletDev,
MemoryConfiguration.MemoryConfiguration4GiBSystemDev => MemoryArrange.MemoryArrange4GiBSystemDev,
MemoryConfiguration.MemoryConfiguration6GiB => MemoryArrange.MemoryArrange6GiB,
MemoryConfiguration.MemoryConfiguration6GiBAppletDev => MemoryArrange.MemoryArrange6GiBAppletDev,
MemoryConfiguration.MemoryConfiguration8GiB => MemoryArrange.MemoryArrange8GiB,
_ => throw new AggregateException($"Invalid memory configuration \"{configuration}\".")
};
}
public static MemorySize ToKernelMemorySize(this MemoryConfiguration configuration)
{
return configuration switch
{
MemoryConfiguration.MemoryConfiguration4GiB or
MemoryConfiguration.MemoryConfiguration4GiBAppletDev or
MemoryConfiguration.MemoryConfiguration4GiBSystemDev => MemorySize.MemorySize4GiB,
MemoryConfiguration.MemoryConfiguration6GiB or
MemoryConfiguration.MemoryConfiguration6GiBAppletDev => MemorySize.MemorySize6GiB,
MemoryConfiguration.MemoryConfiguration8GiB => MemorySize.MemorySize8GiB,
_ => throw new AggregateException($"Invalid memory configuration \"{configuration}\".")
};
}
public static ulong ToDramSize(this MemoryConfiguration configuration)
{
return configuration switch
{
MemoryConfiguration.MemoryConfiguration4GiB or
MemoryConfiguration.MemoryConfiguration4GiBAppletDev or
MemoryConfiguration.MemoryConfiguration4GiBSystemDev => 4 * GiB,
MemoryConfiguration.MemoryConfiguration6GiB or
MemoryConfiguration.MemoryConfiguration6GiBAppletDev => 6 * GiB,
MemoryConfiguration.MemoryConfiguration8GiB => 8 * GiB,
_ => throw new AggregateException($"Invalid memory configuration \"{configuration}\".")
};
}
}
}