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KThread: Fix GetPsr mask (#3180)

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* ExecutionContext: GetPstate / SetPstate

* Put it in NativeContext

* KThread: Fix GetPsr mask

* ExecutionContext: Turn methods into Pstate property

* Address nit
This commit is contained in:
merry 2022-03-11 02:16:32 +00:00 committed by GitHub
parent 54bfaa125d
commit bb2f9df0a1
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4 changed files with 28 additions and 9 deletions
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6
ARMeilleure/State/ExecutionContext.cs
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@ -43,6 +43,12 @@ namespace ARMeilleure.State
public long TpidrEl0 { get; set; }
public long Tpidr { get; set; }
public uint Pstate
{
get => _nativeContext.GetPstate();
set => _nativeContext.SetPstate(value);
}
public FPCR Fpcr { get; set; }
public FPSR Fpsr { get; set; }
public FPCR StandardFpcrValue => (Fpcr & (FPCR.Ahp)) | FPCR.Dn | FPCR.Fz;

19
ARMeilleure/State/NativeContext.cs
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@ -95,6 +95,25 @@ namespace ARMeilleure.State
GetStorage().Flags[(int)flag] = value ? 1u : 0u;
}
public unsafe uint GetPstate()
{
uint value = 0;
for (int flag = 0; flag < RegisterConsts.FlagsCount; flag++)
{
value |= GetStorage().Flags[flag] != 0 ? 1u << flag : 0u;
}
return value;
}
public unsafe void SetPstate(uint value)
{
for (int flag = 0; flag < RegisterConsts.FlagsCount; flag++)
{
uint bit = 1u << flag;
GetStorage().Flags[flag] = (value & bit) == bit ? 1u : 0u;
}
}
public unsafe bool GetFPStateFlag(FPState flag)
{
if ((uint)flag >= RegisterConsts.FpFlagsCount)

7
Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
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@ -658,10 +658,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
private static uint GetPsr(ARMeilleure.State.ExecutionContext context)
{
return (context.GetPstateFlag(ARMeilleure.State.PState.NFlag) ? (1U << (int)ARMeilleure.State.PState.NFlag) : 0U) |
(context.GetPstateFlag(ARMeilleure.State.PState.ZFlag) ? (1U << (int)ARMeilleure.State.PState.ZFlag) : 0U) |
(context.GetPstateFlag(ARMeilleure.State.PState.CFlag) ? (1U << (int)ARMeilleure.State.PState.CFlag) : 0U) |
(context.GetPstateFlag(ARMeilleure.State.PState.VFlag) ? (1U << (int)ARMeilleure.State.PState.VFlag) : 0U);
return context.Pstate & 0xFF0FFE20;
}
private ThreadContext GetCurrentContext()
@ -1371,7 +1368,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
PreferredCore = _originalPreferredCore;
AffinityMask = _originalAffinityMask;
if (AffinityMask != affinityMask)
{
if ((AffinityMask & 1UL << ActiveCore) != 0)

5
Ryujinx.Tests/Cpu/CpuTest32.cs
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@ -283,10 +283,7 @@ namespace Ryujinx.Tests.Cpu
}
uint finalCpsr = test.FinalRegs[15];
for (int i = 0; i < 32; i++)
{
Assert.That(GetContext().GetPstateFlag((PState)i), Is.EqualTo((finalCpsr & (1u << i)) != 0));
}
Assert.That(GetContext().Pstate, Is.EqualTo(finalCpsr));
}
protected void SetWorkingMemory(uint offset, byte[] data)