126 lines
3.6 KiB
C#
126 lines
3.6 KiB
C#
using System;
|
|
|
|
namespace ChocolArm64.State
|
|
{
|
|
public class ARegisters
|
|
{
|
|
internal const int LRIndex = 30;
|
|
internal const int ZRIndex = 31;
|
|
|
|
public ulong X0, X1, X2, X3, X4, X5, X6, X7,
|
|
X8, X9, X10, X11, X12, X13, X14, X15,
|
|
X16, X17, X18, X19, X20, X21, X22, X23,
|
|
X24, X25, X26, X27, X28, X29, X30, X31;
|
|
|
|
public AVec V0, V1, V2, V3, V4, V5, V6, V7,
|
|
V8, V9, V10, V11, V12, V13, V14, V15,
|
|
V16, V17, V18, V19, V20, V21, V22, V23,
|
|
V24, V25, V26, V27, V28, V29, V30, V31;
|
|
|
|
public bool Overflow;
|
|
public bool Carry;
|
|
public bool Zero;
|
|
public bool Negative;
|
|
|
|
public int ProcessId;
|
|
public int ThreadId;
|
|
public long TlsAddrEl0;
|
|
public long TlsAddr;
|
|
|
|
private int FPCR;
|
|
private int FPSR;
|
|
|
|
public ACoreType CoreType;
|
|
|
|
private const ulong A53DczidEl0 = 4;
|
|
private const ulong A53CtrEl0 = 0x84448004;
|
|
private const ulong A57CtrEl0 = 0x8444c004;
|
|
|
|
private const ulong TicksPerS = 19_200_000;
|
|
private const ulong TicksPerMS = TicksPerS / 1_000;
|
|
|
|
public event EventHandler<SvcEventArgs> SvcCall;
|
|
public event EventHandler<EventArgs> Undefined;
|
|
|
|
public ulong GetSystemReg(int Op0, int Op1, int CRn, int CRm, int Op2)
|
|
{
|
|
switch (PackRegId(Op0, Op1, CRn, CRm, Op2))
|
|
{
|
|
case 0b11_011_0000_0000_001: return GetCtrEl0();
|
|
case 0b11_011_0000_0000_111: return GetDczidEl0();
|
|
case 0b11_011_0100_0100_000: return (ulong)PackFPCR();
|
|
case 0b11_011_0100_0100_001: return (ulong)PackFPSR();
|
|
case 0b11_011_1101_0000_010: return (ulong)TlsAddrEl0;
|
|
case 0b11_011_1101_0000_011: return (ulong)TlsAddr;
|
|
case 0b11_011_1110_0000_001: return (ulong)Environment.TickCount * TicksPerMS;
|
|
|
|
default: throw new ArgumentException();
|
|
}
|
|
}
|
|
|
|
public void SetSystemReg(int Op0, int Op1, int CRn, int CRm, int Op2, ulong Value)
|
|
{
|
|
switch (PackRegId(Op0, Op1, CRn, CRm, Op2))
|
|
{
|
|
case 0b11_011_0100_0100_000: UnpackFPCR((int)Value); break;
|
|
case 0b11_011_0100_0100_001: UnpackFPSR((int)Value); break;
|
|
case 0b11_011_1101_0000_010: TlsAddrEl0 = (long)Value; break;
|
|
|
|
default: throw new ArgumentException();
|
|
}
|
|
}
|
|
|
|
private int PackRegId(int Op0, int Op1, int CRn, int CRm, int Op2)
|
|
{
|
|
int Id;
|
|
|
|
Id = Op2 << 0;
|
|
Id |= CRm << 3;
|
|
Id |= CRn << 7;
|
|
Id |= Op1 << 11;
|
|
Id |= Op0 << 14;
|
|
|
|
return Id;
|
|
}
|
|
|
|
public ulong GetCtrEl0()
|
|
{
|
|
return CoreType == ACoreType.CortexA53 ? A53CtrEl0 : A57CtrEl0;
|
|
}
|
|
|
|
public ulong GetDczidEl0()
|
|
{
|
|
return A53DczidEl0;
|
|
}
|
|
|
|
public int PackFPCR()
|
|
{
|
|
return FPCR; //TODO
|
|
}
|
|
|
|
public int PackFPSR()
|
|
{
|
|
return FPSR; //TODO
|
|
}
|
|
|
|
public void UnpackFPCR(int Value)
|
|
{
|
|
FPCR = Value;
|
|
}
|
|
|
|
public void UnpackFPSR(int Value)
|
|
{
|
|
FPSR = Value;
|
|
}
|
|
|
|
public void OnSvcCall(int Imm)
|
|
{
|
|
SvcCall?.Invoke(this, new SvcEventArgs(Imm));
|
|
}
|
|
|
|
public void OnUndefined()
|
|
{
|
|
Undefined?.Invoke(this, EventArgs.Empty);
|
|
}
|
|
}
|
|
} |