fb0939f9b6
* Implement SMULWB, SMULWT, SMLAWB, SMLAWT, and add tests for some multiply instructions * Improve test descriptions * Rename SMULH to SMUL__ * Add SSAT, SSAT16, USAT and USAT16 ARM32 instructions * Fix new tests * Replace AND 0xFFFF with 16-bits zero extension (more efficient)
532 lines
19 KiB
C#
532 lines
19 KiB
C#
using ARMeilleure.Memory;
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using ARMeilleure.State;
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using ARMeilleure.Translation;
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using NUnit.Framework;
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using Ryujinx.Tests.Unicorn;
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using System;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Tests.Cpu
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{
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[TestFixture]
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public class CpuTest32
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{
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private uint _currAddress;
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private long _size;
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private uint _entryPoint;
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private IntPtr _ramPointer;
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private MemoryManager _memory;
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private ExecutionContext _context;
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private Translator _translator;
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private static bool _unicornAvailable;
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private UnicornAArch32 _unicornEmu;
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private bool usingMemory;
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static CpuTest32()
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{
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_unicornAvailable = UnicornAArch32.IsAvailable();
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if (!_unicornAvailable)
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{
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Console.WriteLine("WARNING: Could not find Unicorn.");
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}
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}
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[SetUp]
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public void Setup()
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{
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_currAddress = 0x1000;
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_size = 0x1000;
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_entryPoint = _currAddress;
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_ramPointer = Marshal.AllocHGlobal(new IntPtr(_size * 2));
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_memory = new MemoryManager(_ramPointer, addressSpaceBits: 16, useFlatPageTable: true);
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_memory.Map((long)_currAddress, 0, _size*2);
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_context = new ExecutionContext();
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_context.IsAarch32 = true;
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_translator = new Translator(_memory);
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if (_unicornAvailable)
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{
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_unicornEmu = new UnicornAArch32();
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_unicornEmu.MemoryMap(_currAddress, (ulong)_size, MemoryPermission.READ | MemoryPermission.EXEC);
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_unicornEmu.MemoryMap((ulong)(_currAddress + _size), (ulong)_size, MemoryPermission.READ | MemoryPermission.WRITE);
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_unicornEmu.PC = _entryPoint;
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}
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}
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[TearDown]
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public void Teardown()
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{
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Marshal.FreeHGlobal(_ramPointer);
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_memory = null;
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_context = null;
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_translator = null;
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_unicornEmu = null;
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}
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protected void Reset()
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{
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Teardown();
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Setup();
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}
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protected void Opcode(uint opcode)
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{
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_memory.WriteUInt32((long)_currAddress, opcode);
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if (_unicornAvailable)
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{
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_unicornEmu.MemoryWrite32((ulong)_currAddress, opcode);
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}
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_currAddress += 4;
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}
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protected ExecutionContext GetContext() => _context;
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protected void SetContext(uint r0 = 0,
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uint r1 = 0,
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uint r2 = 0,
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uint r3 = 0,
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uint sp = 0,
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V128 v0 = default,
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V128 v1 = default,
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V128 v2 = default,
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V128 v3 = default,
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V128 v4 = default,
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V128 v5 = default,
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V128 v14 = default,
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V128 v15 = default,
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bool overflow = false,
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bool carry = false,
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bool zero = false,
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bool negative = false,
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int fpscr = 0)
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{
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_context.SetX(0, r0);
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_context.SetX(1, r1);
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_context.SetX(2, r2);
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_context.SetX(3, r3);
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_context.SetX(0xd, sp);
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_context.SetV(0, v0);
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_context.SetV(1, v1);
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_context.SetV(2, v2);
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_context.SetV(3, v3);
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_context.SetV(4, v4);
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_context.SetV(5, v5);
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_context.SetV(14, v14);
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_context.SetV(15, v15);
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_context.SetPstateFlag(PState.VFlag, overflow);
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_context.SetPstateFlag(PState.CFlag, carry);
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_context.SetPstateFlag(PState.ZFlag, zero);
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_context.SetPstateFlag(PState.NFlag, negative);
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_context.Fpsr = FPSR.A32Mask & (FPSR)fpscr;
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_context.Fpcr = FPCR.A32Mask & (FPCR)fpscr;
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if (_unicornAvailable)
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{
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_unicornEmu.R[0] = r0;
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_unicornEmu.R[1] = r1;
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_unicornEmu.R[2] = r2;
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_unicornEmu.R[3] = r3;
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_unicornEmu.SP = sp;
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_unicornEmu.Q[0] = V128ToSimdValue(v0);
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_unicornEmu.Q[1] = V128ToSimdValue(v1);
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_unicornEmu.Q[2] = V128ToSimdValue(v2);
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_unicornEmu.Q[3] = V128ToSimdValue(v3);
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_unicornEmu.Q[4] = V128ToSimdValue(v4);
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_unicornEmu.Q[5] = V128ToSimdValue(v5);
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_unicornEmu.Q[14] = V128ToSimdValue(v14);
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_unicornEmu.Q[15] = V128ToSimdValue(v15);
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_unicornEmu.OverflowFlag = overflow;
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_unicornEmu.CarryFlag = carry;
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_unicornEmu.ZeroFlag = zero;
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_unicornEmu.NegativeFlag = negative;
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_unicornEmu.Fpscr = fpscr;
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}
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}
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protected void ExecuteOpcodes()
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{
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_translator.Execute(_context, _entryPoint);
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if (_unicornAvailable)
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{
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_unicornEmu.RunForCount((ulong)(_currAddress - _entryPoint - 4) / 4);
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}
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}
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protected ExecutionContext SingleOpcode(uint opcode,
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uint r0 = 0,
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uint r1 = 0,
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uint r2 = 0,
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uint r3 = 0,
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uint sp = 0,
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V128 v0 = default,
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V128 v1 = default,
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V128 v2 = default,
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V128 v3 = default,
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V128 v4 = default,
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V128 v5 = default,
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V128 v14 = default,
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V128 v15 = default,
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bool overflow = false,
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bool carry = false,
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bool zero = false,
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bool negative = false,
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int fpscr = 0,
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bool copyFpFlags = false)
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{
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Opcode(opcode);
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if (copyFpFlags)
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{
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Opcode(0xeef1fa10);
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}
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Opcode(0xe12fff1e); // BX LR
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SetContext(r0, r1, r2, r3, sp, v0, v1, v2, v3, v4, v5, v14, v15, overflow, carry, zero, negative, fpscr);
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ExecuteOpcodes();
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return GetContext();
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}
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protected void SetWorkingMemory(byte[] data)
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{
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_memory.WriteBytes(0x2000, data);
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if (_unicornAvailable)
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{
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_unicornEmu.MemoryWrite((ulong)(0x2000), data);
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}
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usingMemory = true; // When true, CompareAgainstUnicorn checks the working memory for equality too.
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}
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/// <summary>Rounding Mode control field.</summary>
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public enum RMode
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{
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/// <summary>Round to Nearest mode.</summary>
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Rn,
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/// <summary>Round towards Plus Infinity mode.</summary>
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Rp,
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/// <summary>Round towards Minus Infinity mode.</summary>
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Rm,
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/// <summary>Round towards Zero mode.</summary>
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Rz
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};
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/// <summary>Floating-point Control Register.</summary>
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protected enum Fpcr
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{
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/// <summary>Rounding Mode control field.</summary>
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RMode = 22,
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/// <summary>Flush-to-zero mode control bit.</summary>
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Fz = 24,
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/// <summary>Default NaN mode control bit.</summary>
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Dn = 25,
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/// <summary>Alternative half-precision control bit.</summary>
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Ahp = 26
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}
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/// <summary>Floating-point Status Register.</summary>
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[Flags]
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protected enum Fpsr
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{
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None = 0,
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/// <summary>Invalid Operation cumulative floating-point exception bit.</summary>
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Ioc = 1 << 0,
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/// <summary>Divide by Zero cumulative floating-point exception bit.</summary>
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Dzc = 1 << 1,
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/// <summary>Overflow cumulative floating-point exception bit.</summary>
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Ofc = 1 << 2,
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/// <summary>Underflow cumulative floating-point exception bit.</summary>
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Ufc = 1 << 3,
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/// <summary>Inexact cumulative floating-point exception bit.</summary>
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Ixc = 1 << 4,
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/// <summary>Input Denormal cumulative floating-point exception bit.</summary>
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Idc = 1 << 7,
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/// <summary>Cumulative saturation bit.</summary>
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Qc = 1 << 27,
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/// <summary>NZCV flags</summary>
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Nzcv = (1 << 28) | (1 << 29) | (1 << 30) | (1 << 31)
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}
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[Flags]
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protected enum FpSkips
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{
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None = 0,
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IfNaNS = 1,
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IfNaND = 2,
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IfUnderflow = 4,
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IfOverflow = 8
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}
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protected enum FpTolerances
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{
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None,
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UpToOneUlpsS,
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UpToOneUlpsD
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}
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protected void CompareAgainstUnicorn(
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Fpsr fpsrMask = Fpsr.None,
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FpSkips fpSkips = FpSkips.None,
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FpTolerances fpTolerances = FpTolerances.None)
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{
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if (!_unicornAvailable)
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{
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return;
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}
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if (fpSkips != FpSkips.None)
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{
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ManageFpSkips(fpSkips);
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}
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Assert.That(_context.GetX(0), Is.EqualTo(_unicornEmu.R[0]));
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Assert.That(_context.GetX(1), Is.EqualTo(_unicornEmu.R[1]));
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Assert.That(_context.GetX(2), Is.EqualTo(_unicornEmu.R[2]));
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Assert.That(_context.GetX(3), Is.EqualTo(_unicornEmu.R[3]));
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Assert.That(_context.GetX(4), Is.EqualTo(_unicornEmu.R[4]));
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Assert.That(_context.GetX(5), Is.EqualTo(_unicornEmu.R[5]));
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Assert.That(_context.GetX(6), Is.EqualTo(_unicornEmu.R[6]));
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Assert.That(_context.GetX(7), Is.EqualTo(_unicornEmu.R[7]));
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Assert.That(_context.GetX(8), Is.EqualTo(_unicornEmu.R[8]));
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Assert.That(_context.GetX(9), Is.EqualTo(_unicornEmu.R[9]));
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Assert.That(_context.GetX(10), Is.EqualTo(_unicornEmu.R[10]));
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Assert.That(_context.GetX(11), Is.EqualTo(_unicornEmu.R[11]));
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Assert.That(_context.GetX(12), Is.EqualTo(_unicornEmu.R[12]));
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Assert.That(_context.GetX(13), Is.EqualTo(_unicornEmu.R[13]));
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Assert.That(_context.GetX(14), Is.EqualTo(_unicornEmu.R[14]));
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if (fpTolerances == FpTolerances.None)
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{
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Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
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}
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else
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{
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ManageFpTolerances(fpTolerances);
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}
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Assert.That(V128ToSimdValue(_context.GetV(1)), Is.EqualTo(_unicornEmu.Q[1]));
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Assert.That(V128ToSimdValue(_context.GetV(2)), Is.EqualTo(_unicornEmu.Q[2]));
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Assert.That(V128ToSimdValue(_context.GetV(3)), Is.EqualTo(_unicornEmu.Q[3]));
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Assert.That(V128ToSimdValue(_context.GetV(4)), Is.EqualTo(_unicornEmu.Q[4]));
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Assert.That(V128ToSimdValue(_context.GetV(5)), Is.EqualTo(_unicornEmu.Q[5]));
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Assert.That(V128ToSimdValue(_context.GetV(6)), Is.EqualTo(_unicornEmu.Q[6]));
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Assert.That(V128ToSimdValue(_context.GetV(7)), Is.EqualTo(_unicornEmu.Q[7]));
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Assert.That(V128ToSimdValue(_context.GetV(8)), Is.EqualTo(_unicornEmu.Q[8]));
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Assert.That(V128ToSimdValue(_context.GetV(9)), Is.EqualTo(_unicornEmu.Q[9]));
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Assert.That(V128ToSimdValue(_context.GetV(10)), Is.EqualTo(_unicornEmu.Q[10]));
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Assert.That(V128ToSimdValue(_context.GetV(11)), Is.EqualTo(_unicornEmu.Q[11]));
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Assert.That(V128ToSimdValue(_context.GetV(12)), Is.EqualTo(_unicornEmu.Q[12]));
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Assert.That(V128ToSimdValue(_context.GetV(13)), Is.EqualTo(_unicornEmu.Q[13]));
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Assert.That(V128ToSimdValue(_context.GetV(14)), Is.EqualTo(_unicornEmu.Q[14]));
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Assert.That(V128ToSimdValue(_context.GetV(15)), Is.EqualTo(_unicornEmu.Q[15]));
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Assert.That((int)_context.Fpcr | ((int)_context.Fpsr & (int)fpsrMask), Is.EqualTo(_unicornEmu.Fpscr));
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Assert.That(_context.GetPstateFlag(PState.QFlag), Is.EqualTo(_unicornEmu.QFlag));
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Assert.That(_context.GetPstateFlag(PState.VFlag), Is.EqualTo(_unicornEmu.OverflowFlag));
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Assert.That(_context.GetPstateFlag(PState.CFlag), Is.EqualTo(_unicornEmu.CarryFlag));
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Assert.That(_context.GetPstateFlag(PState.ZFlag), Is.EqualTo(_unicornEmu.ZeroFlag));
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Assert.That(_context.GetPstateFlag(PState.NFlag), Is.EqualTo(_unicornEmu.NegativeFlag));
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if (usingMemory)
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{
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byte[] meilleureMem = _memory.ReadBytes((long)(0x2000), _size);
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byte[] unicornMem = _unicornEmu.MemoryRead((ulong)(0x2000), (ulong)_size);
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for (int i = 0; i < _size; i++)
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{
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Assert.AreEqual(meilleureMem[i], unicornMem[i]);
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}
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}
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}
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private void ManageFpSkips(FpSkips fpSkips)
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{
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if (fpSkips.HasFlag(FpSkips.IfNaNS))
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{
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if (float.IsNaN(_unicornEmu.Q[0].AsFloat()))
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{
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Assert.Ignore("NaN test.");
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}
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}
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else if (fpSkips.HasFlag(FpSkips.IfNaND))
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{
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if (double.IsNaN(_unicornEmu.Q[0].AsDouble()))
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{
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Assert.Ignore("NaN test.");
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}
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}
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if (fpSkips.HasFlag(FpSkips.IfUnderflow))
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{
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if ((_unicornEmu.Fpscr & (int)Fpsr.Ufc) != 0)
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{
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Assert.Ignore("Underflow test.");
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}
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}
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if (fpSkips.HasFlag(FpSkips.IfOverflow))
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{
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if ((_unicornEmu.Fpscr & (int)Fpsr.Ofc) != 0)
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{
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Assert.Ignore("Overflow test.");
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}
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}
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}
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private void ManageFpTolerances(FpTolerances fpTolerances)
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{
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bool IsNormalOrSubnormalS(float f) => float.IsNormal(f) || float.IsSubnormal(f);
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bool IsNormalOrSubnormalD(double d) => double.IsNormal(d) || double.IsSubnormal(d);
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if (!Is.EqualTo(_unicornEmu.Q[0]).ApplyTo(V128ToSimdValue(_context.GetV(0))).IsSuccess)
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{
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if (fpTolerances == FpTolerances.UpToOneUlpsS)
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{
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if (IsNormalOrSubnormalS(_unicornEmu.Q[0].AsFloat()) &&
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IsNormalOrSubnormalS(_context.GetV(0).AsFloat()))
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{
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Assert.That(_context.GetV(0).GetFloat(0),
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Is.EqualTo(_unicornEmu.Q[0].GetFloat(0)).Within(1).Ulps);
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Assert.That(_context.GetV(0).GetFloat(1),
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Is.EqualTo(_unicornEmu.Q[0].GetFloat(1)).Within(1).Ulps);
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Assert.That(_context.GetV(0).GetFloat(2),
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Is.EqualTo(_unicornEmu.Q[0].GetFloat(2)).Within(1).Ulps);
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Assert.That(_context.GetV(0).GetFloat(3),
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Is.EqualTo(_unicornEmu.Q[0].GetFloat(3)).Within(1).Ulps);
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Console.WriteLine(fpTolerances);
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}
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else
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{
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Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
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}
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}
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if (fpTolerances == FpTolerances.UpToOneUlpsD)
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{
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if (IsNormalOrSubnormalD(_unicornEmu.Q[0].AsDouble()) &&
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IsNormalOrSubnormalD(_context.GetV(0).AsDouble()))
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{
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Assert.That(_context.GetV(0).GetDouble(0),
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Is.EqualTo(_unicornEmu.Q[0].GetDouble(0)).Within(1).Ulps);
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Assert.That(_context.GetV(0).GetDouble(1),
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Is.EqualTo(_unicornEmu.Q[0].GetDouble(1)).Within(1).Ulps);
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Console.WriteLine(fpTolerances);
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}
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else
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{
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Assert.That(V128ToSimdValue(_context.GetV(0)), Is.EqualTo(_unicornEmu.Q[0]));
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}
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}
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}
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}
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private static SimdValue V128ToSimdValue(V128 value)
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{
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return new SimdValue(value.GetUInt64(0), value.GetUInt64(1));
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}
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protected static V128 MakeVectorScalar(float value) => new V128(value);
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protected static V128 MakeVectorScalar(double value) => new V128(value);
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protected static V128 MakeVectorE0(ulong e0) => new V128(e0, 0);
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protected static V128 MakeVectorE1(ulong e1) => new V128(0, e1);
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protected static V128 MakeVectorE0E1(ulong e0, ulong e1) => new V128(e0, e1);
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protected static ulong GetVectorE0(V128 vector) => vector.GetUInt64(0);
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protected static ulong GetVectorE1(V128 vector) => vector.GetUInt64(1);
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protected static ushort GenNormalH()
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{
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uint rnd;
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do rnd = TestContext.CurrentContext.Random.NextUShort();
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while ((rnd & 0x7C00u) == 0u ||
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(~rnd & 0x7C00u) == 0u);
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return (ushort)rnd;
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}
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protected static ushort GenSubnormalH()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUShort();
|
|
while ((rnd & 0x03FFu) == 0u);
|
|
|
|
return (ushort)(rnd & 0x83FFu);
|
|
}
|
|
|
|
protected static uint GenNormalS()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUInt();
|
|
while ((rnd & 0x7F800000u) == 0u ||
|
|
(~rnd & 0x7F800000u) == 0u);
|
|
|
|
return rnd;
|
|
}
|
|
|
|
protected static uint GenSubnormalS()
|
|
{
|
|
uint rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextUInt();
|
|
while ((rnd & 0x007FFFFFu) == 0u);
|
|
|
|
return rnd & 0x807FFFFFu;
|
|
}
|
|
|
|
protected static ulong GenNormalD()
|
|
{
|
|
ulong rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextULong();
|
|
while ((rnd & 0x7FF0000000000000ul) == 0ul ||
|
|
(~rnd & 0x7FF0000000000000ul) == 0ul);
|
|
|
|
return rnd;
|
|
}
|
|
|
|
protected static ulong GenSubnormalD()
|
|
{
|
|
ulong rnd;
|
|
|
|
do rnd = TestContext.CurrentContext.Random.NextULong();
|
|
while ((rnd & 0x000FFFFFFFFFFFFFul) == 0ul);
|
|
|
|
return rnd & 0x800FFFFFFFFFFFFFul;
|
|
}
|
|
}
|
|
}
|