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kernel: Add resource limit related syscalls (#2773)

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* kernel: Add resource limit related syscalls

This commit implements all resource limit related syscalls.

* Fix register mapping being wrong for SetResourceLimitLimitValue

* Address gdkchan's comment
This commit is contained in:
Mary 2021-10-24 01:40:13 +02:00 • committed by GitHub
parent c94d47cc40
commit dc837c0042
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 206 additions and 2 deletions
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38
Ryujinx.HLE/HOS/Kernel/Common/KResourceLimit.cs
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@ -11,6 +11,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
private readonly long[] _current;
private readonly long[] _limit;
private readonly long[] _current2;
private readonly long[] _peak;
private readonly object _lock;
@ -23,6 +24,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
_current = new long[(int)LimitableResource.Count];
_limit = new long[(int)LimitableResource.Count];
_current2 = new long[(int)LimitableResource.Count];
_peak = new long[(int)LimitableResource.Count];
_lock = new object();
@ -79,6 +81,11 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
_current[index] = newCurrent;
_current2[index] += amount;
if (_current[index] > _peak[index])
{
_peak[index] = _current[index];
}
success = true;
}
}
@ -122,6 +129,36 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
}
}
public long GetCurrentValue(LimitableResource resource)
{
int index = GetIndex(resource);
lock (_lock)
{
return _current[index];
}
}
public long GetLimitValue(LimitableResource resource)
{
int index = GetIndex(resource);
lock (_lock)
{
return _limit[index];
}
}
public long GetPeakValue(LimitableResource resource)
{
int index = GetIndex(resource);
lock (_lock)
{
return _peak[index];
}
}
public KernelResult SetLimitValue(LimitableResource resource, long limit)
{
int index = GetIndex(resource);
@ -131,6 +168,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
if (_current[index] <= limit)
{
_limit[index] = limit;
_peak[index] = _current[index];
return KernelResult.Success;
}