Ryujinx/Ryujinx.Tests/Cpu/CpuTestAlu.cs

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using ChocolArm64.State;
using NUnit.Framework;
namespace Ryujinx.Tests.Cpu
{
public class CpuTestAlu : CpuTest
{
[TestCase(0x9A020020u, 2u, 3u, true, 6u)]
[TestCase(0x9A020020u, 2u, 3u, false, 5u)]
[TestCase(0x1A020020u, 2u, 3u, true, 6u)]
[TestCase(0x1A020020u, 2u, 3u, false, 5u)]
[TestCase(0x1A020020u, 0xFFFFFFFFu, 0x2u, false, 0x1u)]
public void Adc(uint Opcode, uint A, uint B, bool CarryState, uint Result)
{
// ADC (X0/W0), (X1/W1), (X2/W2)
AThreadState ThreadState = SingleOpcode(Opcode, X1: A, X2: B, Carry: CarryState);
Assert.AreEqual(Result, ThreadState.X0);
}
[TestCase(0x3A020020u, 2u, 3u, false, false, false, 5u)]
[TestCase(0x3A020020u, 2u, 3u, true, false, false, 6u)]
[TestCase(0xBA020020u, 2u, 3u, false, false, false, 5u)]
[TestCase(0xBA020020u, 2u, 3u, true, false, false, 6u)]
[TestCase(0x3A020020u, 0xFFFFFFFEu, 0x1u, true, true, true, 0x0u)]
public void Adcs(uint Opcode, uint A, uint B, bool CarryState, bool Zero, bool Carry, uint Result)
{
//ADCS (X0/W0), (X1, W1), (X2/W2)
AThreadState ThreadState = SingleOpcode(Opcode, X1: A, X2: B, Carry: CarryState);
Assert.IsFalse(ThreadState.Negative);
Assert.IsFalse(ThreadState.Overflow);
Assert.AreEqual(Zero, ThreadState.Zero);
Assert.AreEqual(Carry, ThreadState.Carry);
Assert.AreEqual(Result, ThreadState.X0);
}
[Test]
public void Add()
{
// ADD X0, X1, X2
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AThreadState ThreadState = SingleOpcode(0x8B020020, X1: 1, X2: 2);
Assert.AreEqual(3, ThreadState.X0);
}
[TestCase(2u, false, false)]
[TestCase(5u, false, false)]
[TestCase(7u, false, false)]
[TestCase(0xFFFFFFFFu, false, true )]
[TestCase(0xFFFFFFFBu, true, true )]
public void Adds(uint A, bool Zero, bool Carry)
{
//ADDS WZR, WSP, #5
AThreadState ThreadState = SingleOpcode(0x310017FF, X31: A);
Assert.IsFalse(ThreadState.Negative);
Assert.AreEqual(Zero, ThreadState.Zero);
Assert.AreEqual(Carry, ThreadState.Carry);
Assert.IsFalse(ThreadState.Overflow);
Assert.AreEqual(A, ThreadState.X31);
}
[TestCase(0xFFFFFFFFu, 0xFFFFFFFFu, 0xFFFFFFFFul, true, false)]
[TestCase(0xFFFFFFFFu, 0x00000000u, 0x00000000ul, false, true)]
[TestCase(0x12345678u, 0x7324A993u, 0x12240010ul, false, false)]
public void Ands(uint A, uint B, ulong Result, bool Negative, bool Zero)
{
// ANDS W0, W1, W2
uint Opcode = 0x6A020020;
AThreadState ThreadState = SingleOpcode(Opcode, X1: A, X2: B);
Assert.AreEqual(Result, ThreadState.X0);
Assert.AreEqual(Negative, ThreadState.Negative);
Assert.AreEqual(Zero, ThreadState.Zero);
}
[Test]
public void OrrBitmasks()
{
// ORR W0, WZR, #0x01010101
Assert.AreEqual(0x01010101, SingleOpcode(0x3200C3E0).X0);
Reset();
// ORR W1, WZR, #0x00F000F0
Assert.AreEqual(0x00F000F0, SingleOpcode(0x320C8FE1).X1);
Reset();
// ORR W2, WZR, #1
Assert.AreEqual(0x00000001, SingleOpcode(0x320003E2).X2);
}
[Test]
public void RevX0X0()
{
// REV X0, X0
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AThreadState ThreadState = SingleOpcode(0xDAC00C00, X0: 0xAABBCCDDEEFF1100);
Assert.AreEqual(0x0011FFEEDDCCBBAA, ThreadState.X0);
}
[Test]
public void RevW1W1()
{
// REV W1, W1
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AThreadState ThreadState = SingleOpcode(0x5AC00821, X1: 0x12345678);
Assert.AreEqual(0x78563412, ThreadState.X1);
}
[TestCase(0x7A020020u, 4u, 2u, false, false, false, true, 1u)]
[TestCase(0x7A020020u, 4u, 2u, true, false, false, true, 2u)]
[TestCase(0xFA020020u, 4u, 2u, false, false, false, true, 1u)]
[TestCase(0xFA020020u, 4u, 2u, true, false, false, true, 2u)]
[TestCase(0x7A020020u, 4u, 4u, false, true, false, false, 0xFFFFFFFFu)]
[TestCase(0x7A020020u, 4u, 4u, true, false, true, true, 0x0u)]
public void Sbcs(uint Opcode, uint A, uint B, bool CarryState, bool Negative, bool Zero, bool Carry, uint Result)
{
//SBCS (X0/W0), (X1, W1), (X2/W2)
AThreadState ThreadState = SingleOpcode(Opcode, X1: A, X2: B, Carry: CarryState);
Assert.AreEqual(Negative, ThreadState.Negative);
Assert.IsFalse(ThreadState.Overflow);
Assert.AreEqual(Zero, ThreadState.Zero);
Assert.AreEqual(Carry, ThreadState.Carry);
Assert.AreEqual(Result, ThreadState.X0);
}
}
}