public RvcTestEnvironment()
{
decoder32 = new RvcDecoder(Architecture.Rv32I);
decoder64 = new RvcDecoder(Architecture.Rv64I);
composer32 = new RvcComposer32();
composer64 = new RvcComposer64();
}
public void Init(ulong programCounter)
{
// Set the instruction decoder and type decoder
instructionDecoder = new InstructionDecoder(EndianType.Little);
typeDecoder = new TypeDecoder();
rvcDecoder = new RvcDecoder(architecture);
InitDetails(programCounter);
environment.ApplyOutputParameter(configuration.Debug, configuration.VerboseMode);
isInitialized = true;
}
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);
}
}