mirror of
https://github.com/GreemDev/Ryujinx.git
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786fb04d20
Add basic support for the CFI value being passed in X18 since 11.0.0 by the official kernel. We do not implement any random generator atm in the kernel and as such the KSystemControl.GenerateRandom function is stubbed
78 lines
2.7 KiB
C#
78 lines
2.7 KiB
C#
using Ryujinx.HLE.HOS.Kernel.Memory;
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using System;
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namespace Ryujinx.HLE.HOS.Kernel.Common
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{
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static class KSystemControl
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{
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private const ulong Kb = 1024;
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private const ulong Mb = 1024 * Kb;
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private const ulong Gb = 1024 * Mb;
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private const ulong PageSize = 4 * Kb;
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private const ulong RequiredNonSecureSystemPoolSizeVi = 0x2238 * PageSize;
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private const ulong RequiredNonSecureSystemPoolSizeNvservices = 0x710 * PageSize;
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private const ulong RequiredNonSecureSystemPoolSizeOther = 0x80 * PageSize;
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private const ulong RequiredNonSecureSystemPoolSize =
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RequiredNonSecureSystemPoolSizeVi +
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RequiredNonSecureSystemPoolSizeNvservices +
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RequiredNonSecureSystemPoolSizeOther;
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public static ulong GetApplicationPoolSize(MemoryArrange arrange)
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{
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return arrange switch
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{
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MemoryArrange.MemoryArrange4GB or
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MemoryArrange.MemoryArrange4GBSystemDev or
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MemoryArrange.MemoryArrange6GBAppletDev => 3285 * Mb,
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MemoryArrange.MemoryArrange4GBAppletDev => 2048 * Mb,
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MemoryArrange.MemoryArrange6GB or
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MemoryArrange.MemoryArrange8GB => 4916 * Mb,
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_ => throw new ArgumentException($"Invalid memory arrange \"{arrange}\".")
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};
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}
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public static ulong GetAppletPoolSize(MemoryArrange arrange)
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{
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return arrange switch
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{
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MemoryArrange.MemoryArrange4GB => 507 * Mb,
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MemoryArrange.MemoryArrange4GBAppletDev => 1554 * Mb,
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MemoryArrange.MemoryArrange4GBSystemDev => 448 * Mb,
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MemoryArrange.MemoryArrange6GB => 562 * Mb,
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MemoryArrange.MemoryArrange6GBAppletDev or
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MemoryArrange.MemoryArrange8GB => 2193 * Mb,
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_ => throw new ArgumentException($"Invalid memory arrange \"{arrange}\".")
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};
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}
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public static ulong GetMinimumNonSecureSystemPoolSize()
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{
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return RequiredNonSecureSystemPoolSize;
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}
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public static ulong GetDramEndAddress(MemorySize size)
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{
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return DramMemoryMap.DramBase + GetDramSize(size);
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}
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public static ulong GenerateRandom()
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{
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// TODO
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return 0;
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}
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public static ulong GetDramSize(MemorySize size)
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{
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return size switch
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{
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MemorySize.MemorySize4GB => 4 * Gb,
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MemorySize.MemorySize6GB => 6 * Gb,
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MemorySize.MemorySize8GB => 8 * Gb,
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_ => throw new ArgumentException($"Invalid memory size \"{size}\".")
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};
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}
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}
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} |