public void StoreSpTest()
{
// C.SWSP
var pairSwSp = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCSS(2, 0x3F, 01, 6),
Coding = te.ToBytes(0x86, 0xDF),
ExpectedPayload32 = te.BuildSType(8, 2, 2, 1, 0xFC)
};
te.Test(pairSwSp);
// C.SDSP
var pairSdSp = new RvcTestPair(architecture, false)
{
//ExpectedPayload = te.LoadCSS(2, 0x3F, 01, 7)
Coding = te.ToBytes(0x86, 0xFF)
};
te.Test(pairSdSp);
// C.SQSP
// C.FSWSP
// C.FSDSP
}
public void ControlTransferInstructionTest()
{
// C.J
var pairCj = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCJ(1, 0x3FF, 5),
Coding = te.ToBytes(0xFD, 0xBF),
ExpectedPayload32 = te.BuildJType(0x1B, 0, 0x7FE)
};
te.Test(pairCj);
// C.BEQZ
var pairBeqz = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCB(1, 1, 0xFF, 6),
Coding = te.ToBytes(0xFD, 0xDC),
ExpectedPayload32 = te.BuildBType(0x18, 9, 0, 0, 0x1FE)
};
te.Test(pairBeqz);
//// C.BNEZ
var pairBnez = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCB(1, 1, 0xFF, 7),
Coding = te.ToBytes(0xFD, 0xFC),
ExpectedPayload32 = te.BuildBType(0x18, 9, 0, 1, 0x1FE)
};
te.Test(pairBnez);
}
public void LoadSpTest()
{
// C.LWSP
var pairLwsp = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCI(2, 0x3F, 1, 2),
Coding = new byte[] { 0xFE, 0x50 },
ExpectedPayload32 = te.BuildIType(0, 1, 2, 2, 0xFC)
};
te.Test(pairLwsp);
// C.LDSP (RV64 / 128)
var pairLdsp = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCI(2, 0x3F, 1, 3),
Coding = new byte[] { 0xFE, 0x70 },
ExpectedPayload32 = te.BuildIType(0, 1, 3, 2, 0x1F8)
};
te.Test(pairLdsp);
// C.LQSP
// C.FLWSP
// C.FLDSP
}
public void IntegerRegisterImmediateTest()
{
var pairAddi4Spn = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCIW(0, 1, 0xFFFF, 0),
Coding = te.ToBytes(0xE4, 0x1F),
ExpectedPayload32 = te.BuildIType(4, 9, 0, 2, 0x3FC)
};
te.Test(pairAddi4Spn);
}
public void NopTest()
{
// C.NOP
var pairNop = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0x01, 0x00),
ExpectedPayload = te.LoadCI(0x01, 0, 0, 0),
ExpectedPayload32 = te.BuildIType(0x04, 0, 0, 0, 0)
};
te.Test(pairNop);
}
public void BreakpointIntrusionTest()
{
// C.EBREAK
var pairBreak = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0x02, 0x90),
ExpectedPayload = te.LoadJCR(2, 0, 0, 9, 4),
ExpectedPayload32 = te.BuildIType_Unsigned(0x1C, 0, 0, 0, 1)
};
te.Test(pairBreak);
}
public void IntegerRegisterImmediateTest()
{
// C.SLLI
var pairSlli = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFE, 0x10),
ExpectedPayload = te.LoadCI(2, 0x3F, 1, 0),
ExpectedPayload32 = te.BuildIType(0x04, 1, 1, 1, 0x3F)
};
te.Test(pairSlli);
}
public void IntegerConstantGenerationTest()
{
// Test for positive numbers
// C.LI Pos
var pairLiPos = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x40),
ExpectedPayload = te.LoadCI(1, 0x1F, 1, 2),
ExpectedPayload32 = te.BuildIType(4, 1, 0, 0, 0x1F)
};
te.Test(pairLiPos);
// C.LI Neg
var pairLiNeg = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x50),
ExpectedPayload = te.LoadCI(1, 0x3F, 1, 2),
ExpectedPayload32 = te.BuildIType(4, 1, 0, 0, -1)
};
te.Test(pairLiNeg);
// C.LUI
// Inst32 Opcode 0x0D
var pairLui1 = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x70),
ExpectedPayload = te.LoadCI(1, 0x3F, 1, 3),
ExpectedPayload32 = te.BuildUType(0x0D, 1, 0xFFFFF000)
};
te.Test(pairLui1);
var pairLui2 = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x60),
ExpectedPayload = te.LoadCI(1, 0x1F, 1, 3),
ExpectedPayload32 = te.BuildUType(0x0D, 1, 0x1F000)
};
te.Test(pairLui2);
}
public void StoreRegisterTest()
{
// C.SW
var pairLw = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCS(00, 1, 0x1F, 2, 6),
Coding = te.ToBytes(0x64, 0xDD),
ExpectedPayload32 = te.BuildSType(8, 2, 10, 9, 0x7C)
};
te.Test(pairLw);
// C.SD
var pairLd = new RvcTestPair(architecture, false)
{
//ExpectedPayload = te.LoadCS(00, 1, 0x1F, 2, 7),
Coding = te.ToBytes(0x64, 0xFD)
};
te.Test(pairLd);
}
public void LoadRegisterTest()
{
// C.LW
var pairLw = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadCL(00, 1, 0x1F, 2, 2),
Coding = te.ToBytes(0x64, 0x5D),
ExpectedPayload32 = te.BuildIType(00, 9, 2, 10, 0x7C)
};
te.Test(pairLw);
// C.LD
var pairLd = new RvcTestPair(architecture, false)
{
//ExpectedPayload = te.LoadCL(00, 1, 0x1F, 2, 3),
Coding = te.ToBytes(0x64, 0x7D)
};
te.Test(pairLd);
}
public void ControlTransferInstructionTest()
{
// C.JR
var pairCjr = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadJCR(2, 2, 0, 8, 4),
Coding = te.ToBytes(0x02, 0x81),
ExpectedPayload32 = te.BuildIType(0x19, 0, 0, 2, 0)
};
te.Test(pairCjr);
// C.JALR
var pairCjalr = new RvcTestPair(architecture)
{
ExpectedPayload = te.LoadJCR(2, 2, 0, 9, 4),
Coding = te.ToBytes(0x02, 0x91),
ExpectedPayload32 = te.BuildIType(0x19, 1, 0, 2, 0)
};
te.Test(pairCjalr);
}
public void IntegerRegisterRegisterTest()
{
// C.MV
var pairMv = new RvcTestPair(architecture)
{
// RS2 = 10, RD = 11
Coding = te.ToBytes(0xAA, 0x85),
ExpectedPayload = te.LoadJCR(2, 11, 10, 8, 4),
ExpectedPayload32 = te.BuildRType(0x0C, 0, 10, 11, 0, 0)
};
te.Test(pairMv);
// C.ADD
var pairAdd = new RvcTestPair(architecture)
{
// RS2 = 10, RD = 11
Coding = te.ToBytes(0xAA, 0x95),
ExpectedPayload = te.LoadJCR(2, 11, 10, 9, 4),
ExpectedPayload32 = te.BuildRType(0x0C, 11, 10, 11, 0, 0)
};
te.Test(pairAdd);
}
public void IntegerRegisterImmediateTest()
{
//C.ADDI
var pairAddi = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x10),
ExpectedPayload = te.LoadCI(1, 0x3F, 1, 0),
ExpectedPayload32 = te.BuildIType(0x04, 1, 0, 1, 0x3F)
};
te.Test(pairAddi);
//C.ADDIW
// Not testable on RV32I
//var pairAddiw = new RvcTestPair(architecture,false)
//{
// Coding = te.ToBytes(0xFD, 0x30),
// ExpectedPayload = te.LoadCI(1, 0x3F, 1, 1)
//};
//te.Test(pairAddiw);
//C.ADDI16SP
var pairAddi16sp = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0x7D, 0x71),
ExpectedPayload = te.LoadCI(1, 0x3F, 2, 3),
ExpectedPayload32 = te.BuildIType(0x04, 2, 0, 2, 0x03F0)
};
te.Test(pairAddi16sp);
// C.SRLI
var pairSrli = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x80),
ExpectedPayload = te.LoadCB_Integer(1, 1, 0x1F, 00, 4),
ExpectedPayload32 = te.BuildIType(0x04, 9, 5, 9, 0x1F)
};
te.Test(pairSrli);
// C.SRAI
var pairSrai = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x84),
ExpectedPayload = te.LoadCB_Integer(1, 1, 0x1F, 01, 4),
ExpectedPayload32 = te.BuildIType(0x04, 9, 5, 9, 0x41F)
};
te.Test(pairSrai);
// C.ANDI
var pairAndi = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xFD, 0x98),
ExpectedPayload = te.LoadCB_Integer(1, 1, 0x3F, 02, 4),
ExpectedPayload32 = te.BuildIType(0x04, 9, 7, 9, -1)
};
te.Test(pairAndi);
// add rd rs1 rs2 31..25 = 0 14..12 = 0 6..2 = 0x0C 1..0 = 3
// sub rd rs1 rs2 31..25 = 32 14..12 = 0 6..2 = 0x0C 1..0 = 3
// sll rd rs1 rs2 31..25 = 0 14..12 = 1 6..2 = 0x0C 1..0 = 3
// slt rd rs1 rs2 31..25 = 0 14..12 = 2 6..2 = 0x0C 1..0 = 3
// sltu rd rs1 rs2 31..25 = 0 14..12 = 3 6..2 = 0x0C 1..0 = 3
// xor rd rs1 rs2 31..25 = 0 14..12 = 4 6..2 = 0x0C 1..0 = 3
// srl rd rs1 rs2 31..25 = 0 14..12 = 5 6..2 = 0x0C 1..0 = 3
// sra rd rs1 rs2 31..25 = 32 14..12 = 5 6..2 = 0x0C 1..0 = 3
// or rd rs1 rs2 31..25 = 0 14..12 = 6 6..2 = 0x0C 1..0 = 3
// and rd rs1 rs2 31..25 = 0 14..12 = 7 6..2 = 0x0C 1..0 = 3
// C.SUB
var pairCASub = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0x89, 0x8C),
ExpectedPayload = te.LoadCA(1, 1, 2, 0, 0, 0x23),
ExpectedPayload32 = te.BuildRType(0x0C, 9, 10, 9, 0, 0x32)
};
te.Test(pairCASub);
// C.XOR
var pairCAXor = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xA9, 0x8C),
ExpectedPayload = te.LoadCA(1, 1, 2, 1, 1, 0x23),
ExpectedPayload32 = te.BuildRType(0x0C, 9, 10, 9, 4, 0)
};
te.Test(pairCAXor);
// C.OR
var pairCAor = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xC9, 0x8C),
ExpectedPayload = te.LoadCA(1, 1, 2, 2, 2, 0x23),
ExpectedPayload32 = te.BuildRType(0x0C, 9, 10, 9, 6, 0)
};
te.Test(pairCAor);
// C.AND
var pairCAand = new RvcTestPair(architecture)
{
Coding = te.ToBytes(0xE9, 0x8C),
ExpectedPayload = te.LoadCA(1, 1, 2, 3, 3, 0x23),
ExpectedPayload32 = te.BuildRType(0x0C, 9, 10, 9, 7, 0)
};
te.Test(pairCAand);
}
public void Test(RvcTestPair pair)
{
RvcDecoder decoderUT = null;
IRvcComposer compuserUT = null;
if (pair.TargetArchitecture == Architecture.Rv32I)
{
decoderUT = decoder32;
compuserUT = composer32;
}
if (pair.TargetArchitecture == Architecture.Rv64I)
{
decoderUT = decoder64;
compuserUT = composer64;
}
if (pair.IsValid)
{
var payloadUT = decoderUT.Decode(pair.Coding);
Assert.AreEqual(payloadUT.Type, pair.ExpectedPayload.Type);
Assert.AreEqual(payloadUT.Op, pair.ExpectedPayload.Op);
Assert.AreEqual(payloadUT.Funct3, pair.ExpectedPayload.Funct3);
Assert.AreEqual(payloadUT.Rd, pair.ExpectedPayload.Rd);
Assert.AreEqual(payloadUT.Rs1, pair.ExpectedPayload.Rs1);
Assert.AreEqual(payloadUT.Rs2, pair.ExpectedPayload.Rs2);
Assert.AreEqual(payloadUT.Immediate, pair.ExpectedPayload.Immediate);
}
else
{
bool excpeptionCaught = false;
try
{
var payload = decoderUT.Decode(pair.Coding);
}
catch (RiscVSimException)
{
excpeptionCaught = true;
}
catch (System.Exception ex)
{
Assert.Fail("Invalid exception caught!");
}
Assert.IsTrue(excpeptionCaught, "Invalid opcode for this architecture!");
}
// If InstructionPayload is available generate and compare it via the composer
if (pair.ExpectedPayload32 != null)
{
var payloadUT = decoderUT.Decode(pair.Coding);
var instruction = compuserUT.ComposeInstruction(payloadUT);
var instructionPayload = compuserUT.Compose(instruction, payloadUT);
Assert.AreEqual(pair.ExpectedPayload32.OpCode, instructionPayload.OpCode);
Assert.AreEqual(pair.ExpectedPayload32.Rd, instructionPayload.Rd);
Assert.AreEqual(pair.ExpectedPayload32.Rs1, instructionPayload.Rs1);
Assert.AreEqual(pair.ExpectedPayload32.Rs2, instructionPayload.Rs2);
Assert.AreEqual(pair.ExpectedPayload32.Funct3, instructionPayload.Funct3);
Assert.AreEqual(pair.ExpectedPayload32.Funct7, instructionPayload.Funct7);
Assert.AreEqual(pair.ExpectedPayload32.SignedImmediate, instructionPayload.SignedImmediate);
Assert.AreEqual(pair.ExpectedPayload32.UnsignedImmediate, instructionPayload.UnsignedImmediate);
Assert.AreEqual(pair.ExpectedPayload32.SignedImmediateComplete, instructionPayload.SignedImmediateComplete);
}
}