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Implement CNTVCT_EL0 (#1268)

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* Implement CNTVCT_EL0

* Fix comment
This commit is contained in:
mageven 2020-05-23 15:45:59 +05:30 committed by GitHub
parent ff7a933ec0
commit 6416bc1938
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 10 additions and 0 deletions
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1
ARMeilleure/Instructions/InstEmitSystem.cs
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@ -40,6 +40,7 @@ namespace ARMeilleure.Instructions
case 0b11_011_1101_0000_011: dlg = new _U64(NativeInterface.GetTpidr); break;
case 0b11_011_1110_0000_000: dlg = new _U64(NativeInterface.GetCntfrqEl0); break;
case 0b11_011_1110_0000_001: dlg = new _U64(NativeInterface.GetCntpctEl0); break;
case 0b11_011_1110_0000_010: dlg = new _U64(NativeInterface.GetCntvctEl0); break;
default: throw new NotImplementedException($"Unknown MRS 0x{op.RawOpCode:X8} at 0x{op.Address:X16}.");
}

5
ARMeilleure/Instructions/NativeInterface.cs
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@ -136,6 +136,11 @@ namespace ARMeilleure.Instructions
return GetContext().CntpctEl0;
}
public static ulong GetCntvctEl0()
{
return GetContext().CntvctEl0;
}
public static void SetFpcr(ulong value)
{
GetContext().Fpcr = (FPCR)value;

4
ARMeilleure/State/ExecutionContext.cs
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@ -32,6 +32,10 @@ namespace ARMeilleure.State
}
}
// CNTVCT_EL0 = CNTPCT_EL0 - CNTVOFF_EL2
// Since EL2 isn't implemented, CNTVOFF_EL2 = 0
public ulong CntvctEl0 => CntpctEl0;
public static TimeSpan ElapsedTime => _tickCounter.Elapsed;
public long TpidrEl0 { get; set; }